diff options
Diffstat (limited to 'grub-core/commands')
95 files changed, 19689 insertions, 0 deletions
diff --git a/grub-core/commands/acpi.c b/grub-core/commands/acpi.c new file mode 100644 index 0000000..1215f2a --- /dev/null +++ b/grub-core/commands/acpi.c @@ -0,0 +1,791 @@ +/* acpi.c - modify acpi tables. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/extcmd.h> +#include <grub/file.h> +#include <grub/disk.h> +#include <grub/term.h> +#include <grub/misc.h> +#include <grub/acpi.h> +#include <grub/mm.h> +#include <grub/memory.h> +#include <grub/i18n.h> +#include <grub/lockdown.h> + +#ifdef GRUB_MACHINE_EFI +#include <grub/efi/efi.h> +#include <grub/efi/api.h> +#endif + +#pragma GCC diagnostic ignored "-Wcast-align" + +GRUB_MOD_LICENSE ("GPLv3+"); + +static const struct grub_arg_option options[] = { + {"exclude", 'x', 0, + N_("Don't load host tables specified by comma-separated list."), + 0, ARG_TYPE_STRING}, + {"load-only", 'n', 0, + N_("Load only tables specified by comma-separated list."), 0, ARG_TYPE_STRING}, + {"v1", '1', 0, N_("Export version 1 tables to the OS."), 0, ARG_TYPE_NONE}, + {"v2", '2', 0, N_("Export version 2 and version 3 tables to the OS."), 0, ARG_TYPE_NONE}, + {"oemid", 'o', 0, N_("Set OEMID of RSDP, XSDT and RSDT."), 0, ARG_TYPE_STRING}, + {"oemtable", 't', 0, + N_("Set OEMTABLE ID of RSDP, XSDT and RSDT."), 0, ARG_TYPE_STRING}, + {"oemtablerev", 'r', 0, + N_("Set OEMTABLE revision of RSDP, XSDT and RSDT."), 0, ARG_TYPE_INT}, + {"oemtablecreator", 'c', 0, + N_("Set creator field of RSDP, XSDT and RSDT."), 0, ARG_TYPE_STRING}, + {"oemtablecreatorrev", 'd', 0, + N_("Set creator revision of RSDP, XSDT and RSDT."), 0, ARG_TYPE_INT}, + /* TRANSLATORS: "hangs" here is a noun, not a verb. */ + {"no-ebda", 'e', 0, N_("Don't update EBDA. May fix failures or hangs on some " + "BIOSes but makes it ineffective with OS not receiving RSDP from GRUB."), + 0, ARG_TYPE_NONE}, + {0, 0, 0, 0, 0, 0} +}; + +/* rev1 is 1 if ACPIv1 is to be generated, 0 otherwise. + rev2 contains the revision of ACPIv2+ to generate or 0 if none. */ +static int rev1, rev2; +/* OEMID of RSDP, RSDT and XSDT. */ +static char root_oemid[6]; +/* OEMTABLE of the same tables. */ +static char root_oemtable[8]; +/* OEMREVISION of the same tables. */ +static grub_uint32_t root_oemrev; +/* CreatorID of the same tables. */ +static char root_creator_id[4]; +/* CreatorRevision of the same tables. */ +static grub_uint32_t root_creator_rev; +static struct grub_acpi_rsdp_v10 *rsdpv1_new = 0; +static struct grub_acpi_rsdp_v20 *rsdpv2_new = 0; +static char *playground = 0, *playground_ptr = 0; +static int playground_size = 0; + +/* Linked list of ACPI tables. */ +struct efiemu_acpi_table +{ + void *addr; + grub_size_t size; + struct efiemu_acpi_table *next; +}; +static struct efiemu_acpi_table *acpi_tables = 0; + +/* DSDT isn't in RSDT. So treat it specially. */ +static void *table_dsdt = 0; +/* Pointer to recreated RSDT. */ +static void *rsdt_addr = 0; + +/* Allocation handles for different tables. */ +static grub_size_t dsdt_size = 0; + +/* Address of original FACS. */ +static grub_uint32_t facs_addr = 0; + +struct grub_acpi_rsdp_v20 * +grub_acpi_get_rsdpv2 (void) +{ + if (rsdpv2_new) + return rsdpv2_new; + if (rsdpv1_new) + return 0; + return grub_machine_acpi_get_rsdpv2 (); +} + +struct grub_acpi_rsdp_v10 * +grub_acpi_get_rsdpv1 (void) +{ + if (rsdpv1_new) + return rsdpv1_new; + if (rsdpv2_new) + return 0; + return grub_machine_acpi_get_rsdpv1 (); +} + +#if defined (__i386__) || defined (__x86_64__) + +static inline int +iszero (grub_uint8_t *reg, int size) +{ + int i; + for (i = 0; i < size; i++) + if (reg[i]) + return 0; + return 1; +} + +/* Context for grub_acpi_create_ebda. */ +struct grub_acpi_create_ebda_ctx { + int ebda_len; + grub_uint64_t highestlow; +}; + +/* Helper for grub_acpi_create_ebda. */ +static int +find_hook (grub_uint64_t start, grub_uint64_t size, grub_memory_type_t type, + void *data) +{ + struct grub_acpi_create_ebda_ctx *ctx = data; + grub_uint64_t end = start + size; + if (type != GRUB_MEMORY_AVAILABLE) + return 0; + if (end > 0x100000) + end = 0x100000; + if (end > start + ctx->ebda_len + && ctx->highestlow < ((end - ctx->ebda_len) & (~0xf)) ) + ctx->highestlow = (end - ctx->ebda_len) & (~0xf); + return 0; +} + +grub_err_t +grub_acpi_create_ebda (void) +{ + struct grub_acpi_create_ebda_ctx ctx = { + .highestlow = 0 + }; + int ebda_kb_len = 0; + int mmapregion = 0; + grub_uint8_t *ebda, *v1inebda = 0, *v2inebda = 0; + grub_uint8_t *targetebda, *target; + struct grub_acpi_rsdp_v10 *v1; + struct grub_acpi_rsdp_v20 *v2; + + ebda = (grub_uint8_t *) (grub_addr_t) ((*((grub_uint16_t *)0x40e)) << 4); + grub_dprintf ("acpi", "EBDA @%p\n", ebda); + if (ebda) + ebda_kb_len = *(grub_uint16_t *) ebda; + grub_dprintf ("acpi", "EBDA length 0x%x\n", ebda_kb_len); + if (ebda_kb_len > 16) + ebda_kb_len = 0; + ctx.ebda_len = (ebda_kb_len + 1) << 10; + + /* FIXME: use low-memory mm allocation once it's available. */ + grub_mmap_iterate (find_hook, &ctx); + targetebda = (grub_uint8_t *) (grub_addr_t) ctx.highestlow; + grub_dprintf ("acpi", "creating ebda @%llx\n", + (unsigned long long) ctx.highestlow); + if (! ctx.highestlow) + return grub_error (GRUB_ERR_OUT_OF_MEMORY, + "couldn't find space for the new EBDA"); + + mmapregion = grub_mmap_register ((grub_addr_t) targetebda, ctx.ebda_len, + GRUB_MEMORY_RESERVED); + if (! mmapregion) + return grub_errno; + + /* XXX: EBDA is unstandardized, so this implementation is heuristical. */ + if (ebda_kb_len) + grub_memcpy (targetebda, ebda, 0x400); + else + grub_memset (targetebda, 0, 0x400); + *((grub_uint16_t *) targetebda) = ebda_kb_len + 1; + target = targetebda; + + v1 = grub_acpi_get_rsdpv1 (); + v2 = grub_acpi_get_rsdpv2 (); + if (v2 && v2->length > 40) + v2 = 0; + + /* First try to replace already existing rsdp. */ + if (v2) + { + grub_dprintf ("acpi", "Scanning EBDA for old rsdpv2\n"); + for (; target < targetebda + 0x400 - v2->length; target += 0x10) + if (grub_memcmp (target, GRUB_RSDP_SIGNATURE, GRUB_RSDP_SIGNATURE_SIZE) == 0 + && grub_byte_checksum (target, + sizeof (struct grub_acpi_rsdp_v10)) == 0 + && ((struct grub_acpi_rsdp_v10 *) target)->revision != 0 + && ((struct grub_acpi_rsdp_v20 *) target)->length <= v2->length) + { + grub_memcpy (target, v2, v2->length); + grub_dprintf ("acpi", "Copying rsdpv2 to %p\n", target); + v2inebda = target; + target += v2->length; + target = (grub_uint8_t *) ALIGN_UP((grub_addr_t) target, 16); + v2 = 0; + break; + } + } + + if (v1) + { + grub_dprintf ("acpi", "Scanning EBDA for old rsdpv1\n"); + for (; target < targetebda + 0x400 - sizeof (struct grub_acpi_rsdp_v10); + target += 0x10) + if (grub_memcmp (target, GRUB_RSDP_SIGNATURE, GRUB_RSDP_SIGNATURE_SIZE) == 0 + && grub_byte_checksum (target, + sizeof (struct grub_acpi_rsdp_v10)) == 0) + { + grub_memcpy (target, v1, sizeof (struct grub_acpi_rsdp_v10)); + grub_dprintf ("acpi", "Copying rsdpv1 to %p\n", target); + v1inebda = target; + target += sizeof (struct grub_acpi_rsdp_v10); + target = (grub_uint8_t *) ALIGN_UP((grub_addr_t) target, 16); + v1 = 0; + break; + } + } + + target = targetebda + 0x100; + + /* Try contiguous zeros. */ + if (v2) + { + grub_dprintf ("acpi", "Scanning EBDA for block of zeros\n"); + for (; target < targetebda + 0x400 - v2->length; target += 0x10) + if (iszero (target, v2->length)) + { + grub_dprintf ("acpi", "Copying rsdpv2 to %p\n", target); + grub_memcpy (target, v2, v2->length); + v2inebda = target; + target += v2->length; + target = (grub_uint8_t *) ALIGN_UP((grub_addr_t) target, 16); + v2 = 0; + break; + } + } + + if (v1) + { + grub_dprintf ("acpi", "Scanning EBDA for block of zeros\n"); + for (; target < targetebda + 0x400 - sizeof (struct grub_acpi_rsdp_v10); + target += 0x10) + if (iszero (target, sizeof (struct grub_acpi_rsdp_v10))) + { + grub_dprintf ("acpi", "Copying rsdpv1 to %p\n", target); + grub_memcpy (target, v1, sizeof (struct grub_acpi_rsdp_v10)); + v1inebda = target; + target += sizeof (struct grub_acpi_rsdp_v10); + target = (grub_uint8_t *) ALIGN_UP((grub_addr_t) target, 16); + v1 = 0; + break; + } + } + + if (v1 || v2) + { + grub_mmap_unregister (mmapregion); + return grub_error (GRUB_ERR_OUT_OF_MEMORY, + "couldn't find suitable spot in EBDA"); + } + + /* Remove any other RSDT. */ + for (target = targetebda; + target < targetebda + 0x400 - sizeof (struct grub_acpi_rsdp_v10); + target += 0x10) + if (grub_memcmp (target, GRUB_RSDP_SIGNATURE, GRUB_RSDP_SIGNATURE_SIZE) == 0 + && grub_byte_checksum (target, + sizeof (struct grub_acpi_rsdp_v10)) == 0 + && target != v1inebda && target != v2inebda) + *target = 0; + + grub_dprintf ("acpi", "Switching EBDA\n"); + (*((grub_uint16_t *) 0x40e)) = ((grub_addr_t) targetebda) >> 4; + grub_dprintf ("acpi", "EBDA switched\n"); + + return GRUB_ERR_NONE; +} +#endif + +/* Create tables common to ACPIv1 and ACPIv2+ */ +static void +setup_common_tables (void) +{ + struct efiemu_acpi_table *cur; + struct grub_acpi_table_header *rsdt; + grub_uint32_t *rsdt_entry; + int numoftables; + + /* Treat DSDT. */ + grub_memcpy (playground_ptr, table_dsdt, dsdt_size); + grub_free (table_dsdt); + table_dsdt = playground_ptr; + playground_ptr += dsdt_size; + + /* Treat other tables. */ + for (cur = acpi_tables; cur; cur = cur->next) + { + struct grub_acpi_fadt *fadt; + + grub_memcpy (playground_ptr, cur->addr, cur->size); + grub_free (cur->addr); + cur->addr = playground_ptr; + playground_ptr += cur->size; + + /* If it's FADT correct DSDT and FACS addresses. */ + fadt = (struct grub_acpi_fadt *) cur->addr; + if (grub_memcmp (fadt->hdr.signature, GRUB_ACPI_FADT_SIGNATURE, + sizeof (fadt->hdr.signature)) == 0) + { + fadt->dsdt_addr = (grub_addr_t) table_dsdt; + fadt->facs_addr = facs_addr; + + /* Does a revision 2 exist at all? */ + if (fadt->hdr.revision >= 3) + { + fadt->dsdt_xaddr = (grub_addr_t) table_dsdt; + fadt->facs_xaddr = facs_addr; + } + + /* Recompute checksum. */ + fadt->hdr.checksum = 0; + fadt->hdr.checksum = 1 + ~grub_byte_checksum (fadt, fadt->hdr.length); + } + } + + /* Fill RSDT entries. */ + numoftables = 0; + for (cur = acpi_tables; cur; cur = cur->next) + numoftables++; + + rsdt_addr = rsdt = (struct grub_acpi_table_header *) playground_ptr; + playground_ptr += sizeof (struct grub_acpi_table_header) + sizeof (grub_uint32_t) * numoftables; + + rsdt_entry = (grub_uint32_t *) (rsdt + 1); + + /* Fill RSDT header. */ + grub_memcpy (&(rsdt->signature), "RSDT", 4); + rsdt->length = sizeof (struct grub_acpi_table_header) + sizeof (grub_uint32_t) * numoftables; + rsdt->revision = 1; + grub_memcpy (&(rsdt->oemid), root_oemid, sizeof (rsdt->oemid)); + grub_memcpy (&(rsdt->oemtable), root_oemtable, sizeof (rsdt->oemtable)); + rsdt->oemrev = root_oemrev; + grub_memcpy (&(rsdt->creator_id), root_creator_id, sizeof (rsdt->creator_id)); + rsdt->creator_rev = root_creator_rev; + + for (cur = acpi_tables; cur; cur = cur->next) + *(rsdt_entry++) = (grub_addr_t) cur->addr; + + /* Recompute checksum. */ + rsdt->checksum = 0; + rsdt->checksum = 1 + ~grub_byte_checksum (rsdt, rsdt->length); +} + +/* Regenerate ACPIv1 RSDP */ +static void +setv1table (void) +{ + /* Create RSDP. */ + rsdpv1_new = (struct grub_acpi_rsdp_v10 *) playground_ptr; + playground_ptr += sizeof (struct grub_acpi_rsdp_v10); + grub_memcpy (&(rsdpv1_new->signature), GRUB_RSDP_SIGNATURE, + sizeof (rsdpv1_new->signature)); + grub_memcpy (&(rsdpv1_new->oemid), root_oemid, sizeof (rsdpv1_new->oemid)); + rsdpv1_new->revision = 0; + rsdpv1_new->rsdt_addr = (grub_addr_t) rsdt_addr; + rsdpv1_new->checksum = 0; + rsdpv1_new->checksum = 1 + ~grub_byte_checksum (rsdpv1_new, + sizeof (*rsdpv1_new)); + grub_dprintf ("acpi", "Generated ACPIv1 tables\n"); +} + +static void +setv2table (void) +{ + struct grub_acpi_table_header *xsdt; + struct efiemu_acpi_table *cur; + grub_uint64_t *xsdt_entry; + int numoftables; + + numoftables = 0; + for (cur = acpi_tables; cur; cur = cur->next) + numoftables++; + + /* Create XSDT. */ + xsdt = (struct grub_acpi_table_header *) playground_ptr; + playground_ptr += sizeof (struct grub_acpi_table_header) + sizeof (grub_uint64_t) * numoftables; + + xsdt_entry = (grub_uint64_t *)(xsdt + 1); + for (cur = acpi_tables; cur; cur = cur->next) + *(xsdt_entry++) = (grub_addr_t) cur->addr; + grub_memcpy (&(xsdt->signature), "XSDT", 4); + xsdt->length = sizeof (struct grub_acpi_table_header) + sizeof (grub_uint64_t) * numoftables; + xsdt->revision = 1; + grub_memcpy (&(xsdt->oemid), root_oemid, sizeof (xsdt->oemid)); + grub_memcpy (&(xsdt->oemtable), root_oemtable, sizeof (xsdt->oemtable)); + xsdt->oemrev = root_oemrev; + grub_memcpy (&(xsdt->creator_id), root_creator_id, sizeof (xsdt->creator_id)); + xsdt->creator_rev = root_creator_rev; + xsdt->checksum = 0; + xsdt->checksum = 1 + ~grub_byte_checksum (xsdt, xsdt->length); + + /* Create RSDPv2. */ + rsdpv2_new = (struct grub_acpi_rsdp_v20 *) playground_ptr; + playground_ptr += sizeof (struct grub_acpi_rsdp_v20); + grub_memcpy (&(rsdpv2_new->rsdpv1.signature), GRUB_RSDP_SIGNATURE, + sizeof (rsdpv2_new->rsdpv1.signature)); + grub_memcpy (&(rsdpv2_new->rsdpv1.oemid), root_oemid, + sizeof (rsdpv2_new->rsdpv1.oemid)); + rsdpv2_new->rsdpv1.revision = rev2; + rsdpv2_new->rsdpv1.rsdt_addr = (grub_addr_t) rsdt_addr; + rsdpv2_new->rsdpv1.checksum = 0; + rsdpv2_new->rsdpv1.checksum = 1 + ~grub_byte_checksum + (&(rsdpv2_new->rsdpv1), sizeof (rsdpv2_new->rsdpv1)); + rsdpv2_new->length = sizeof (*rsdpv2_new); + rsdpv2_new->xsdt_addr = (grub_addr_t) xsdt; + rsdpv2_new->checksum = 0; + rsdpv2_new->checksum = 1 + ~grub_byte_checksum (rsdpv2_new, + rsdpv2_new->length); + grub_dprintf ("acpi", "Generated ACPIv2 tables\n"); +} + +static void +free_tables (void) +{ + struct efiemu_acpi_table *cur, *t; + if (table_dsdt) + grub_free (table_dsdt); + for (cur = acpi_tables; cur;) + { + t = cur; + grub_free (cur->addr); + cur = cur->next; + grub_free (t); + } + acpi_tables = 0; + table_dsdt = 0; +} + +static grub_err_t +grub_cmd_acpi (struct grub_extcmd_context *ctxt, int argc, char **args) +{ + struct grub_arg_list *state = ctxt->state; + struct grub_acpi_rsdp_v10 *rsdp; + struct efiemu_acpi_table *cur, *t; + int i, mmapregion; + int numoftables; + + /* Default values if no RSDP is found. */ + rev1 = 1; + rev2 = 3; + + facs_addr = 0; + playground = playground_ptr = 0; + playground_size = 0; + + rsdp = (struct grub_acpi_rsdp_v10 *) grub_machine_acpi_get_rsdpv2 (); + + if (! rsdp) + rsdp = grub_machine_acpi_get_rsdpv1 (); + + grub_dprintf ("acpi", "RSDP @%p\n", rsdp); + + if (rsdp) + { + grub_uint32_t *entry_ptr; + char *exclude = 0; + char *load_only = 0; + char *ptr; + /* RSDT consists of header and an array of 32-bit pointers. */ + struct grub_acpi_table_header *rsdt; + + exclude = state[0].set ? grub_strdup (state[0].arg) : 0; + if (exclude) + { + for (ptr = exclude; *ptr; ptr++) + *ptr = grub_tolower (*ptr); + } + + load_only = state[1].set ? grub_strdup (state[1].arg) : 0; + if (load_only) + { + for (ptr = load_only; *ptr; ptr++) + *ptr = grub_tolower (*ptr); + } + + /* Set revision variables to replicate the same version as host. */ + rev1 = ! rsdp->revision; + rev2 = rsdp->revision; + rsdt = (struct grub_acpi_table_header *) (grub_addr_t) rsdp->rsdt_addr; + /* Load host tables. */ + for (entry_ptr = (grub_uint32_t *) (rsdt + 1); + entry_ptr < (grub_uint32_t *) (((grub_uint8_t *) rsdt) + + rsdt->length); + entry_ptr++) + { + char signature[5]; + struct efiemu_acpi_table *table; + struct grub_acpi_table_header *curtable + = (struct grub_acpi_table_header *) (grub_addr_t) *entry_ptr; + signature[4] = 0; + for (i = 0; i < 4;i++) + signature[i] = grub_tolower (curtable->signature[i]); + + /* If it's FADT it contains addresses of DSDT and FACS. */ + if (grub_strcmp (signature, "facp") == 0) + { + struct grub_acpi_table_header *dsdt; + struct grub_acpi_fadt *fadt = (struct grub_acpi_fadt *) curtable; + + /* Set root header variables to the same values + as FADT by default. */ + grub_memcpy (&root_oemid, &(fadt->hdr.oemid), + sizeof (root_oemid)); + grub_memcpy (&root_oemtable, &(fadt->hdr.oemtable), + sizeof (root_oemtable)); + root_oemrev = fadt->hdr.oemrev; + grub_memcpy (&root_creator_id, &(fadt->hdr.creator_id), + sizeof (root_creator_id)); + root_creator_rev = fadt->hdr.creator_rev; + + /* Load DSDT if not excluded. */ + dsdt = (struct grub_acpi_table_header *) + (grub_addr_t) fadt->dsdt_addr; + if (dsdt && (! exclude || ! grub_strword (exclude, "dsdt")) + && (! load_only || grub_strword (load_only, "dsdt")) + && dsdt->length >= sizeof (*dsdt)) + { + dsdt_size = dsdt->length; + table_dsdt = grub_malloc (dsdt->length); + if (! table_dsdt) + { + free_tables (); + grub_free (exclude); + grub_free (load_only); + return grub_errno; + } + grub_memcpy (table_dsdt, dsdt, dsdt->length); + } + + /* Save FACS address. FACS shouldn't be overridden. */ + facs_addr = fadt->facs_addr; + } + + /* Skip excluded tables. */ + if (exclude && grub_strword (exclude, signature)) + continue; + if (load_only && ! grub_strword (load_only, signature)) + continue; + + /* Sanity check. */ + if (curtable->length < sizeof (*curtable)) + continue; + + table = (struct efiemu_acpi_table *) grub_malloc + (sizeof (struct efiemu_acpi_table)); + if (! table) + { + free_tables (); + grub_free (exclude); + grub_free (load_only); + return grub_errno; + } + table->size = curtable->length; + table->addr = grub_malloc (table->size); + playground_size += table->size; + if (! table->addr) + { + free_tables (); + grub_free (exclude); + grub_free (load_only); + grub_free (table); + return grub_errno; + } + table->next = acpi_tables; + acpi_tables = table; + grub_memcpy (table->addr, curtable, table->size); + } + grub_free (exclude); + grub_free (load_only); + } + + /* Does user specify versions to generate? */ + if (state[2].set || state[3].set) + { + rev1 = state[2].set; + if (state[3].set) + rev2 = rev2 ? : 2; + else + rev2 = 0; + } + + /* Does user override root header information? */ + if (state[4].set) + grub_strncpy (root_oemid, state[4].arg, sizeof (root_oemid)); + if (state[5].set) + grub_strncpy (root_oemtable, state[5].arg, sizeof (root_oemtable)); + if (state[6].set) + root_oemrev = grub_strtoul (state[6].arg, 0, 0); + if (state[7].set) + grub_strncpy (root_creator_id, state[7].arg, sizeof (root_creator_id)); + if (state[8].set) + root_creator_rev = grub_strtoul (state[8].arg, 0, 0); + + /* Load user tables */ + for (i = 0; i < argc; i++) + { + grub_file_t file; + grub_size_t size; + char *buf; + + file = grub_file_open (args[i], GRUB_FILE_TYPE_ACPI_TABLE); + if (! file) + { + free_tables (); + return grub_errno; + } + + size = grub_file_size (file); + if (size < sizeof (struct grub_acpi_table_header)) + { + grub_file_close (file); + free_tables (); + return grub_error (GRUB_ERR_BAD_OS, N_("premature end of file %s"), + args[i]); + } + + buf = (char *) grub_malloc (size); + if (! buf) + { + grub_file_close (file); + free_tables (); + return grub_errno; + } + + if (grub_file_read (file, buf, size) != (int) size) + { + grub_file_close (file); + free_tables (); + if (!grub_errno) + grub_error (GRUB_ERR_BAD_OS, N_("premature end of file %s"), + args[i]); + return grub_errno; + } + grub_file_close (file); + + if (grub_memcmp (((struct grub_acpi_table_header *) buf)->signature, + "DSDT", 4) == 0) + { + grub_free (table_dsdt); + table_dsdt = buf; + dsdt_size = size; + } + else + { + struct efiemu_acpi_table *table; + table = (struct efiemu_acpi_table *) grub_malloc + (sizeof (struct efiemu_acpi_table)); + if (! table) + { + free_tables (); + return grub_errno; + } + + table->size = size; + table->addr = buf; + playground_size += table->size; + + table->next = acpi_tables; + acpi_tables = table; + } + } + + numoftables = 0; + for (cur = acpi_tables; cur; cur = cur->next) + numoftables++; + + /* DSDT. */ + playground_size += dsdt_size; + /* RSDT. */ + playground_size += sizeof (struct grub_acpi_table_header) + sizeof (grub_uint32_t) * numoftables; + /* RSDPv1. */ + playground_size += sizeof (struct grub_acpi_rsdp_v10); + /* XSDT. */ + playground_size += sizeof (struct grub_acpi_table_header) + sizeof (grub_uint64_t) * numoftables; + /* RSDPv2. */ + playground_size += sizeof (struct grub_acpi_rsdp_v20); + + playground = playground_ptr + = grub_mmap_malign_and_register (1, playground_size, &mmapregion, + GRUB_MEMORY_ACPI, 0); + + if (! playground) + { + free_tables (); + return grub_error (GRUB_ERR_OUT_OF_MEMORY, + "couldn't allocate space for ACPI tables"); + } + + setup_common_tables (); + + /* Request space for RSDPv1. */ + if (rev1) + setv1table (); + + /* Request space for RSDPv2+ and XSDT. */ + if (rev2) + setv2table (); + + for (cur = acpi_tables; cur;) + { + t = cur; + cur = cur->next; + grub_free (t); + } + acpi_tables = 0; + +#if defined (__i386__) || defined (__x86_64__) + if (! state[9].set) + { + grub_err_t err; + err = grub_acpi_create_ebda (); + if (err) + { + rsdpv1_new = 0; + rsdpv2_new = 0; + grub_mmap_free_and_unregister (mmapregion); + return err; + } + } +#endif + +#ifdef GRUB_MACHINE_EFI + { + struct grub_efi_guid acpi = GRUB_EFI_ACPI_TABLE_GUID; + struct grub_efi_guid acpi20 = GRUB_EFI_ACPI_20_TABLE_GUID; + + efi_call_2 (grub_efi_system_table->boot_services->install_configuration_table, + &acpi20, grub_acpi_get_rsdpv2 ()); + efi_call_2 (grub_efi_system_table->boot_services->install_configuration_table, + &acpi, grub_acpi_get_rsdpv1 ()); + } +#endif + + return GRUB_ERR_NONE; +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT(acpi) +{ + cmd = grub_register_extcmd_lockdown ("acpi", grub_cmd_acpi, 0, + N_("[-1|-2] [--exclude=TABLE1,TABLE2|" + "--load-only=TABLE1,TABLE2] FILE1" + " [FILE2] [...]"), + N_("Load host ACPI tables and tables " + "specified by arguments."), + options); +} + +GRUB_MOD_FINI(acpi) +{ + grub_unregister_extcmd (cmd); +} diff --git a/grub-core/commands/acpihalt.c b/grub-core/commands/acpihalt.c new file mode 100644 index 0000000..9cc7f18 --- /dev/null +++ b/grub-core/commands/acpihalt.c @@ -0,0 +1,454 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2010 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifdef GRUB_DSDT_TEST +#include <stdio.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdint.h> +#include <string.h> +#include <errno.h> + +#define grub_dprintf(cond, args...) printf ( args ) +#define grub_printf printf +#define grub_util_fopen fopen +#define grub_memcmp memcmp +typedef uint64_t grub_uint64_t; +typedef uint32_t grub_uint32_t; +typedef uint16_t grub_uint16_t; +typedef uint8_t grub_uint8_t; + +#endif + +#include <grub/acpi.h> +#ifndef GRUB_DSDT_TEST +#include <grub/i18n.h> +#else +#define _(x) x +#define N_(x) x +#endif + +#ifndef GRUB_DSDT_TEST +#include <grub/mm.h> +#include <grub/misc.h> +#include <grub/time.h> +#include <grub/cpu/io.h> +#endif + +static inline grub_uint32_t +decode_length (const grub_uint8_t *ptr, int *numlen) +{ + int num_bytes, i; + grub_uint32_t ret; + if (*ptr < 64) + { + if (numlen) + *numlen = 1; + return *ptr; + } + num_bytes = *ptr >> 6; + if (numlen) + *numlen = num_bytes + 1; + ret = *ptr & 0xf; + ptr++; + for (i = 0; i < num_bytes; i++) + { + ret |= *ptr << (8 * i + 4); + ptr++; + } + return ret; +} + +static inline grub_uint32_t +skip_name_string (const grub_uint8_t *ptr, const grub_uint8_t *end) +{ + const grub_uint8_t *ptr0 = ptr; + + while (ptr < end && (*ptr == '^' || *ptr == '\\')) + ptr++; + switch (*ptr) + { + case '.': + ptr++; + ptr += 8; + break; + case '/': + ptr++; + ptr += 1 + (*ptr) * 4; + break; + case 0: + ptr++; + break; + default: + ptr += 4; + break; + } + return ptr - ptr0; +} + +static inline grub_uint32_t +skip_data_ref_object (const grub_uint8_t *ptr, const grub_uint8_t *end) +{ + grub_dprintf ("acpi", "data type = 0x%x\n", *ptr); + switch (*ptr) + { + case GRUB_ACPI_OPCODE_PACKAGE: + case GRUB_ACPI_OPCODE_BUFFER: + return 1 + decode_length (ptr + 1, 0); + case GRUB_ACPI_OPCODE_ZERO: + case GRUB_ACPI_OPCODE_ONES: + case GRUB_ACPI_OPCODE_ONE: + return 1; + case GRUB_ACPI_OPCODE_BYTE_CONST: + return 2; + case GRUB_ACPI_OPCODE_WORD_CONST: + return 3; + case GRUB_ACPI_OPCODE_DWORD_CONST: + return 5; + case GRUB_ACPI_OPCODE_STRING_CONST: + { + const grub_uint8_t *ptr0 = ptr; + for (ptr++; ptr < end && *ptr; ptr++); + if (ptr == end) + return 0; + return ptr - ptr0 + 1; + } + default: + if (*ptr == '^' || *ptr == '\\' || *ptr == '_' + || (*ptr >= 'A' && *ptr <= 'Z')) + return skip_name_string (ptr, end); + grub_printf ("Unknown opcode 0x%x\n", *ptr); + return 0; + } +} + +static inline grub_uint32_t +skip_term (const grub_uint8_t *ptr, const grub_uint8_t *end) +{ + grub_uint32_t add; + const grub_uint8_t *ptr0 = ptr; + + switch(*ptr) + { + case GRUB_ACPI_OPCODE_ADD: + case GRUB_ACPI_OPCODE_AND: + case GRUB_ACPI_OPCODE_CONCAT: + case GRUB_ACPI_OPCODE_CONCATRES: + case GRUB_ACPI_OPCODE_DIVIDE: + case GRUB_ACPI_OPCODE_INDEX: + case GRUB_ACPI_OPCODE_LSHIFT: + case GRUB_ACPI_OPCODE_MOD: + case GRUB_ACPI_OPCODE_MULTIPLY: + case GRUB_ACPI_OPCODE_NAND: + case GRUB_ACPI_OPCODE_NOR: + case GRUB_ACPI_OPCODE_OR: + case GRUB_ACPI_OPCODE_RSHIFT: + case GRUB_ACPI_OPCODE_SUBTRACT: + case GRUB_ACPI_OPCODE_TOSTRING: + case GRUB_ACPI_OPCODE_XOR: + /* + * Parameters for these opcodes: TermArg, TermArg Target, see ACPI + * spec r5.0, page 828f. + */ + ptr++; + ptr += add = skip_term (ptr, end); + if (!add) + return 0; + ptr += add = skip_term (ptr, end); + if (!add) + return 0; + ptr += skip_name_string (ptr, end); + break; + default: + return skip_data_ref_object (ptr, end); + } + return ptr - ptr0; +} + +static inline grub_uint32_t +skip_ext_op (const grub_uint8_t *ptr, const grub_uint8_t *end) +{ + const grub_uint8_t *ptr0 = ptr; + int add; + grub_dprintf ("acpi", "Extended opcode: 0x%x\n", *ptr); + switch (*ptr) + { + case GRUB_ACPI_EXTOPCODE_MUTEX: + ptr++; + ptr += skip_name_string (ptr, end); + ptr++; + break; + case GRUB_ACPI_EXTOPCODE_EVENT_OP: + ptr++; + ptr += skip_name_string (ptr, end); + break; + case GRUB_ACPI_EXTOPCODE_OPERATION_REGION: + ptr++; + ptr += skip_name_string (ptr, end); + ptr++; + ptr += add = skip_term (ptr, end); + if (!add) + return 0; + ptr += add = skip_term (ptr, end); + if (!add) + return 0; + break; + case GRUB_ACPI_EXTOPCODE_FIELD_OP: + case GRUB_ACPI_EXTOPCODE_DEVICE_OP: + case GRUB_ACPI_EXTOPCODE_PROCESSOR_OP: + case GRUB_ACPI_EXTOPCODE_POWER_RES_OP: + case GRUB_ACPI_EXTOPCODE_THERMAL_ZONE_OP: + case GRUB_ACPI_EXTOPCODE_INDEX_FIELD_OP: + case GRUB_ACPI_EXTOPCODE_BANK_FIELD_OP: + ptr++; + ptr += decode_length (ptr, 0); + break; + default: + grub_printf ("Unexpected extended opcode: 0x%x\n", *ptr); + return 0; + } + return ptr - ptr0; +} + + +static int +get_sleep_type (grub_uint8_t *table, grub_uint8_t *ptr, grub_uint8_t *end, + grub_uint8_t *scope, int scope_len) +{ + grub_uint8_t *prev = table; + + if (!ptr) + ptr = table + sizeof (struct grub_acpi_table_header); + while (ptr < end && prev < ptr) + { + int add; + prev = ptr; + grub_dprintf ("acpi", "Opcode 0x%x\n", *ptr); + grub_dprintf ("acpi", "Tell %x\n", (unsigned) (ptr - table)); + switch (*ptr) + { + case GRUB_ACPI_OPCODE_EXTOP: + ptr++; + ptr += add = skip_ext_op (ptr, end); + if (!add) + return -1; + break; + case GRUB_ACPI_OPCODE_CREATE_DWORD_FIELD: + case GRUB_ACPI_OPCODE_CREATE_WORD_FIELD: + case GRUB_ACPI_OPCODE_CREATE_BYTE_FIELD: + { + ptr += 5; + ptr += add = skip_data_ref_object (ptr, end); + if (!add) + return -1; + ptr += 4; + break; + } + case GRUB_ACPI_OPCODE_NAME: + ptr++; + if ((!scope || grub_memcmp (scope, "\\", scope_len) == 0) && + (grub_memcmp (ptr, "_S5_", 4) == 0 || grub_memcmp (ptr, "\\_S5_", 4) == 0)) + { + int ll; + grub_uint8_t *ptr2 = ptr; + grub_dprintf ("acpi", "S5 found\n"); + ptr2 += skip_name_string (ptr, end); + if (*ptr2 != 0x12) + { + grub_printf ("Unknown opcode in _S5: 0x%x\n", *ptr2); + return -1; + } + ptr2++; + decode_length (ptr2, &ll); + ptr2 += ll; + ptr2++; + switch (*ptr2) + { + case GRUB_ACPI_OPCODE_ZERO: + return 0; + case GRUB_ACPI_OPCODE_ONE: + return 1; + case GRUB_ACPI_OPCODE_BYTE_CONST: + return ptr2[1]; + default: + grub_printf ("Unknown data type in _S5: 0x%x\n", *ptr2); + return -1; + } + } + ptr += add = skip_name_string (ptr, end); + if (!add) + return -1; + ptr += add = skip_data_ref_object (ptr, end); + if (!add) + return -1; + break; + case GRUB_ACPI_OPCODE_ALIAS: + ptr++; + /* We need to skip two name strings */ + ptr += add = skip_name_string (ptr, end); + if (!add) + return -1; + ptr += add = skip_name_string (ptr, end); + if (!add) + return -1; + break; + + case GRUB_ACPI_OPCODE_SCOPE: + { + int scope_sleep_type; + int ll; + grub_uint8_t *name; + int name_len; + + ptr++; + add = decode_length (ptr, &ll); + name = ptr + ll; + name_len = skip_name_string (name, ptr + add); + if (!name_len) + return -1; + scope_sleep_type = get_sleep_type (table, name + name_len, + ptr + add, name, name_len); + if (scope_sleep_type != -2) + return scope_sleep_type; + ptr += add; + break; + } + case GRUB_ACPI_OPCODE_IF: + case GRUB_ACPI_OPCODE_METHOD: + { + ptr++; + ptr += decode_length (ptr, 0); + break; + } + default: + grub_printf ("Unknown opcode 0x%x\n", *ptr); + return -1; + } + } + + return -2; +} + +#ifdef GRUB_DSDT_TEST +int +main (int argc, char **argv) +{ + FILE *f; + size_t len; + unsigned char *buf; + if (argc < 2) + printf ("Usage: %s FILE\n", argv[0]); + f = grub_util_fopen (argv[1], "rb"); + if (!f) + { + printf ("Couldn't open file\n"); + return 1; + } + fseek (f, 0, SEEK_END); + len = ftell (f); + fseek (f, 0, SEEK_SET); + buf = malloc (len); + if (!buf) + { + printf (_("error: %s.\n"), _("out of memory")); + fclose (f); + return 2; + } + if (fread (buf, 1, len, f) != len) + { + printf (_("cannot read `%s': %s"), argv[1], strerror (errno)); + free (buf); + fclose (f); + return 2; + } + + printf ("Sleep type = %d\n", get_sleep_type (buf, NULL, buf + len, NULL, 0)); + free (buf); + fclose (f); + return 0; +} + +#else + +void +grub_acpi_halt (void) +{ + struct grub_acpi_rsdp_v20 *rsdp2; + struct grub_acpi_rsdp_v10 *rsdp1; + struct grub_acpi_table_header *rsdt; + grub_uint32_t *entry_ptr; + grub_uint32_t port = 0; + int sleep_type = -1; + + rsdp2 = grub_acpi_get_rsdpv2 (); + if (rsdp2) + rsdp1 = &(rsdp2->rsdpv1); + else + rsdp1 = grub_acpi_get_rsdpv1 (); + grub_dprintf ("acpi", "rsdp1=%p\n", rsdp1); + if (!rsdp1) + return; + + rsdt = (struct grub_acpi_table_header *) (grub_addr_t) rsdp1->rsdt_addr; + for (entry_ptr = (grub_uint32_t *) (rsdt + 1); + entry_ptr < (grub_uint32_t *) (((grub_uint8_t *) rsdt) + + rsdt->length); + entry_ptr++) + { + if (grub_memcmp ((void *) (grub_addr_t) *entry_ptr, "FACP", 4) == 0) + { + struct grub_acpi_fadt *fadt + = ((struct grub_acpi_fadt *) (grub_addr_t) *entry_ptr); + struct grub_acpi_table_header *dsdt + = (struct grub_acpi_table_header *) (grub_addr_t) fadt->dsdt_addr; + grub_uint8_t *buf = (grub_uint8_t *) dsdt; + + port = fadt->pm1a; + + grub_dprintf ("acpi", "PM1a port=%x\n", port); + + if (grub_memcmp (dsdt->signature, "DSDT", + sizeof (dsdt->signature)) == 0 + && sleep_type < 0) + sleep_type = get_sleep_type (buf, NULL, buf + dsdt->length, + NULL, 0); + } + else if (grub_memcmp ((void *) (grub_addr_t) *entry_ptr, "SSDT", 4) == 0 + && sleep_type < 0) + { + struct grub_acpi_table_header *ssdt + = (struct grub_acpi_table_header *) (grub_addr_t) *entry_ptr; + grub_uint8_t *buf = (grub_uint8_t *) ssdt; + + grub_dprintf ("acpi", "SSDT = %p\n", ssdt); + + sleep_type = get_sleep_type (buf, NULL, buf + ssdt->length, NULL, 0); + } + } + + grub_dprintf ("acpi", "SLP_TYP = %d, port = 0x%x\n", sleep_type, port); + if (port && sleep_type >= 0 && sleep_type < 8) + grub_outw (GRUB_ACPI_SLP_EN | (sleep_type << GRUB_ACPI_SLP_TYP_OFFSET), + port & 0xffff); + + grub_millisleep (1500); + + /* TRANSLATORS: It's computer shutdown using ACPI, not disabling ACPI. */ + grub_puts_ (N_("ACPI shutdown failed")); +} +#endif diff --git a/grub-core/commands/arc/lsdev.c b/grub-core/commands/arc/lsdev.c new file mode 100644 index 0000000..27ed0a2 --- /dev/null +++ b/grub-core/commands/arc/lsdev.c @@ -0,0 +1,57 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2011 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/command.h> +#include <grub/i18n.h> +#include <grub/arc/arc.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +/* Helper for grub_cmd_lsdev. */ +static int +grub_cmd_lsdev_iter (const char *name, + const struct grub_arc_component *comp __attribute__ ((unused)), + void *data __attribute__ ((unused))) +{ + grub_printf ("%s\n", name); + return 0; +} + +static grub_err_t +grub_cmd_lsdev (grub_command_t cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) +{ + grub_arc_iterate_devs (grub_cmd_lsdev_iter, 0, 0); + return 0; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(lsdev) +{ + cmd = grub_register_command ("lsdev", grub_cmd_lsdev, "", + N_("List devices.")); +} + +GRUB_MOD_FINI(lsdev) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/blocklist.c b/grub-core/commands/blocklist.c new file mode 100644 index 0000000..944449b --- /dev/null +++ b/grub-core/commands/blocklist.c @@ -0,0 +1,160 @@ +/* blocklist.c - print the block list of a file */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2006,2007 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/file.h> +#include <grub/mm.h> +#include <grub/disk.h> +#include <grub/partition.h> +#include <grub/command.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +/* Context for grub_cmd_blocklist. */ +struct blocklist_ctx +{ + unsigned long start_sector; + unsigned num_sectors; + int num_entries; + grub_disk_addr_t part_start; +}; + +/* Helper for grub_cmd_blocklist. */ +static void +print_blocklist (grub_disk_addr_t sector, unsigned num, + unsigned offset, unsigned length, struct blocklist_ctx *ctx) +{ + if (ctx->num_entries++) + grub_printf (","); + + grub_printf ("%llu", (unsigned long long) (sector - ctx->part_start)); + if (num > 0) + grub_printf ("+%u", num); + if (offset != 0 || length != 0) + grub_printf ("[%u-%u]", offset, offset + length); +} + +/* Helper for grub_cmd_blocklist. */ +static void +read_blocklist (grub_disk_addr_t sector, unsigned offset, unsigned length, + void *data) +{ + struct blocklist_ctx *ctx = data; + + if (ctx->num_sectors > 0) + { + if (ctx->start_sector + ctx->num_sectors == sector + && offset == 0 && length >= GRUB_DISK_SECTOR_SIZE) + { + ctx->num_sectors += length >> GRUB_DISK_SECTOR_BITS; + sector += length >> GRUB_DISK_SECTOR_BITS; + length &= (GRUB_DISK_SECTOR_SIZE - 1); + } + + if (!length) + return; + print_blocklist (ctx->start_sector, ctx->num_sectors, 0, 0, ctx); + ctx->num_sectors = 0; + } + + if (offset) + { + unsigned l = length + offset; + l &= (GRUB_DISK_SECTOR_SIZE - 1); + l -= offset; + print_blocklist (sector, 0, offset, l, ctx); + length -= l; + sector++; + offset = 0; + } + + if (!length) + return; + + if (length & (GRUB_DISK_SECTOR_SIZE - 1)) + { + if (length >> GRUB_DISK_SECTOR_BITS) + { + print_blocklist (sector, length >> GRUB_DISK_SECTOR_BITS, 0, 0, ctx); + sector += length >> GRUB_DISK_SECTOR_BITS; + } + print_blocklist (sector, 0, 0, length & (GRUB_DISK_SECTOR_SIZE - 1), ctx); + } + else + { + ctx->start_sector = sector; + ctx->num_sectors = length >> GRUB_DISK_SECTOR_BITS; + } +} + +static grub_err_t +grub_cmd_blocklist (grub_command_t cmd __attribute__ ((unused)), + int argc, char **args) +{ + grub_file_t file; + char buf[GRUB_DISK_SECTOR_SIZE]; + struct blocklist_ctx ctx = { + .start_sector = 0, + .num_sectors = 0, + .num_entries = 0, + .part_start = 0 + }; + + if (argc < 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected")); + + file = grub_file_open (args[0], GRUB_FILE_TYPE_PRINT_BLOCKLIST + | GRUB_FILE_TYPE_NO_DECOMPRESS); + if (! file) + return grub_errno; + + if (! file->device->disk) + return grub_error (GRUB_ERR_BAD_DEVICE, + "this command is available only for disk devices"); + + ctx.part_start = grub_partition_get_start (file->device->disk->partition); + + file->read_hook = read_blocklist; + file->read_hook_data = &ctx; + + while (grub_file_read (file, buf, sizeof (buf)) > 0) + ; + + if (ctx.num_sectors > 0) + print_blocklist (ctx.start_sector, ctx.num_sectors, 0, 0, &ctx); + + grub_file_close (file); + + return grub_errno; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(blocklist) +{ + cmd = grub_register_command ("blocklist", grub_cmd_blocklist, + N_("FILE"), N_("Print a block list.")); +} + +GRUB_MOD_FINI(blocklist) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/boot.c b/grub-core/commands/boot.c new file mode 100644 index 0000000..bbca81e --- /dev/null +++ b/grub-core/commands/boot.c @@ -0,0 +1,195 @@ +/* boot.c - command to boot an operating system */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2002,2003,2004,2005,2007,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/normal.h> +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/loader.h> +#include <grub/kernel.h> +#include <grub/mm.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_err_t (*grub_loader_boot_func) (void); +static grub_err_t (*grub_loader_unload_func) (void); +static int grub_loader_flags; + +struct grub_preboot +{ + grub_err_t (*preboot_func) (int); + grub_err_t (*preboot_rest_func) (void); + grub_loader_preboot_hook_prio_t prio; + struct grub_preboot *next; + struct grub_preboot *prev; +}; + +static int grub_loader_loaded; +static struct grub_preboot *preboots_head = 0, + *preboots_tail = 0; + +int +grub_loader_is_loaded (void) +{ + return grub_loader_loaded; +} + +/* Register a preboot hook. */ +struct grub_preboot * +grub_loader_register_preboot_hook (grub_err_t (*preboot_func) (int flags), + grub_err_t (*preboot_rest_func) (void), + grub_loader_preboot_hook_prio_t prio) +{ + struct grub_preboot *cur, *new_preboot; + + if (! preboot_func && ! preboot_rest_func) + return 0; + + new_preboot = (struct grub_preboot *) + grub_malloc (sizeof (struct grub_preboot)); + if (! new_preboot) + return 0; + + new_preboot->preboot_func = preboot_func; + new_preboot->preboot_rest_func = preboot_rest_func; + new_preboot->prio = prio; + + for (cur = preboots_head; cur && cur->prio > prio; cur = cur->next); + + if (cur) + { + new_preboot->next = cur; + new_preboot->prev = cur->prev; + cur->prev = new_preboot; + } + else + { + new_preboot->next = 0; + new_preboot->prev = preboots_tail; + preboots_tail = new_preboot; + } + if (new_preboot->prev) + new_preboot->prev->next = new_preboot; + else + preboots_head = new_preboot; + + return new_preboot; +} + +void +grub_loader_unregister_preboot_hook (struct grub_preboot *hnd) +{ + struct grub_preboot *preb = hnd; + + if (preb->next) + preb->next->prev = preb->prev; + else + preboots_tail = preb->prev; + if (preb->prev) + preb->prev->next = preb->next; + else + preboots_head = preb->next; + + grub_free (preb); +} + +void +grub_loader_set (grub_err_t (*boot) (void), + grub_err_t (*unload) (void), + int flags) +{ + if (grub_loader_loaded && grub_loader_unload_func) + grub_loader_unload_func (); + + grub_loader_boot_func = boot; + grub_loader_unload_func = unload; + grub_loader_flags = flags; + + grub_loader_loaded = 1; +} + +void +grub_loader_unset(void) +{ + if (grub_loader_loaded && grub_loader_unload_func) + grub_loader_unload_func (); + + grub_loader_boot_func = 0; + grub_loader_unload_func = 0; + + grub_loader_loaded = 0; +} + +grub_err_t +grub_loader_boot (void) +{ + grub_err_t err = GRUB_ERR_NONE; + struct grub_preboot *cur; + + if (! grub_loader_loaded) + return grub_error (GRUB_ERR_NO_KERNEL, + N_("you need to load the kernel first")); + + grub_machine_fini (grub_loader_flags); + + for (cur = preboots_head; cur; cur = cur->next) + { + err = cur->preboot_func (grub_loader_flags); + if (err) + { + for (cur = cur->prev; cur; cur = cur->prev) + cur->preboot_rest_func (); + return err; + } + } + err = (grub_loader_boot_func) (); + + for (cur = preboots_tail; cur; cur = cur->prev) + if (! err) + err = cur->preboot_rest_func (); + else + cur->preboot_rest_func (); + + return err; +} + +/* boot */ +static grub_err_t +grub_cmd_boot (struct grub_command *cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char *argv[] __attribute__ ((unused))) +{ + return grub_loader_boot (); +} + + + +static grub_command_t cmd_boot; + +GRUB_MOD_INIT(boot) +{ + cmd_boot = + grub_register_command ("boot", grub_cmd_boot, + 0, N_("Boot an operating system.")); +} + +GRUB_MOD_FINI(boot) +{ + grub_unregister_command (cmd_boot); +} diff --git a/grub-core/commands/boottime.c b/grub-core/commands/boottime.c new file mode 100644 index 0000000..dcc078c --- /dev/null +++ b/grub-core/commands/boottime.c @@ -0,0 +1,65 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2013 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/command.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + + +static grub_err_t +grub_cmd_boottime (struct grub_command *cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char *argv[] __attribute__ ((unused))) +{ + struct grub_boot_time *cur; + grub_uint64_t last_time = 0, start_time = 0; + if (!grub_boot_time_head) + { + grub_puts_ (N_("No boot time statistics is available\n")); + return 0; + } + start_time = last_time = grub_boot_time_head->tp; + for (cur = grub_boot_time_head; cur; cur = cur->next) + { + grub_uint32_t tmabs = cur->tp - start_time; + grub_uint32_t tmrel = cur->tp - last_time; + last_time = cur->tp; + + grub_printf ("%3d.%03ds %2d.%03ds %s:%d %s\n", + tmabs / 1000, tmabs % 1000, tmrel / 1000, tmrel % 1000, cur->file, cur->line, + cur->msg); + } + return 0; +} + +static grub_command_t cmd_boottime; + +GRUB_MOD_INIT(boottime) +{ + cmd_boottime = + grub_register_command ("boottime", grub_cmd_boottime, + 0, N_("Show boot time statistics.")); +} + +GRUB_MOD_FINI(boottime) +{ + grub_unregister_command (cmd_boottime); +} diff --git a/grub-core/commands/cacheinfo.c b/grub-core/commands/cacheinfo.c new file mode 100644 index 0000000..d34a346 --- /dev/null +++ b/grub-core/commands/cacheinfo.c @@ -0,0 +1,62 @@ +/* cacheinfo.c - disk cache statistics */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008,2010 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/command.h> +#include <grub/i18n.h> +#include <grub/disk.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_err_t +grub_rescue_cmd_info (struct grub_command *cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char *argv[] __attribute__ ((unused))) +{ + unsigned long hits, misses; + + grub_disk_cache_get_performance (&hits, &misses); + if (hits + misses) + { + unsigned long ratio = hits * 10000 / (hits + misses); + grub_printf ("(%lu.%lu%%)\n", ratio / 100, ratio % 100); + grub_printf_ (N_("Disk cache statistics: hits = %lu (%lu.%02lu%%)," + " misses = %lu\n"), ratio / 100, ratio % 100, + hits, misses); + } + else + grub_printf ("%s\n", _("No disk cache statistics available\n")); + + return 0; +} + +static grub_command_t cmd_cacheinfo; + +GRUB_MOD_INIT(cacheinfo) +{ + cmd_cacheinfo = + grub_register_command ("cacheinfo", grub_rescue_cmd_info, + 0, N_("Get disk cache info.")); +} + +GRUB_MOD_FINI(cacheinfo) +{ + grub_unregister_command (cmd_cacheinfo); +} diff --git a/grub-core/commands/cat.c b/grub-core/commands/cat.c new file mode 100644 index 0000000..ba5f006 --- /dev/null +++ b/grub-core/commands/cat.c @@ -0,0 +1,170 @@ +/* cat.c - command to show the contents of a file */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2003,2005,2007,2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/file.h> +#include <grub/disk.h> +#include <grub/term.h> +#include <grub/misc.h> +#include <grub/extcmd.h> +#include <grub/i18n.h> +#include <grub/charset.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static const struct grub_arg_option options[] = + { + {"dos", -1, 0, N_("Accept DOS-style CR/NL line endings."), 0, 0}, + {0, 0, 0, 0, 0, 0} + }; + +static grub_err_t +grub_cmd_cat (grub_extcmd_context_t ctxt, int argc, char **args) +{ + struct grub_arg_list *state = ctxt->state; + int dos = 0; + grub_file_t file; + unsigned char buf[GRUB_DISK_SECTOR_SIZE]; + grub_ssize_t size; + int key = GRUB_TERM_NO_KEY; + grub_uint32_t code = 0; + int count = 0; + unsigned char utbuf[GRUB_MAX_UTF8_PER_CODEPOINT + 1]; + int utcount = 0; + int is_0d = 0; + int j; + + if (state[0].set) + dos = 1; + + if (argc != 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected")); + + file = grub_file_open (args[0], GRUB_FILE_TYPE_CAT); + if (! file) + return grub_errno; + + while ((size = grub_file_read (file, buf, sizeof (buf))) > 0 + && key != GRUB_TERM_ESC) + { + int i; + + for (i = 0; i < size; i++) + { + utbuf[utcount++] = buf[i]; + + if (is_0d && buf[i] != '\n') + { + grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT); + grub_printf ("<%x>", (int) '\r'); + grub_setcolorstate (GRUB_TERM_COLOR_STANDARD); + } + + is_0d = 0; + + if (!grub_utf8_process (buf[i], &code, &count)) + { + grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT); + for (j = 0; j < utcount - 1; j++) + grub_printf ("<%x>", (unsigned int) utbuf[j]); + code = 0; + count = 0; + if (utcount == 1 || !grub_utf8_process (buf[i], &code, &count)) + { + grub_printf ("<%x>", (unsigned int) buf[i]); + code = 0; + count = 0; + utcount = 0; + grub_setcolorstate (GRUB_TERM_COLOR_STANDARD); + continue; + } + grub_setcolorstate (GRUB_TERM_COLOR_STANDARD); + utcount = 1; + } + if (count) + continue; + + if ((code >= 0xa1 || grub_isprint (code) + || grub_isspace (code)) && code != '\r') + { + grub_printf ("%C", code); + count = 0; + code = 0; + utcount = 0; + continue; + } + + if (dos && code == '\r') + { + is_0d = 1; + count = 0; + code = 0; + utcount = 0; + continue; + } + + grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT); + for (j = 0; j < utcount; j++) + grub_printf ("<%x>", (unsigned int) utbuf[j]); + grub_setcolorstate (GRUB_TERM_COLOR_STANDARD); + count = 0; + code = 0; + utcount = 0; + } + + do + key = grub_getkey_noblock (); + while (key != GRUB_TERM_ESC && key != GRUB_TERM_NO_KEY); + } + + if (is_0d) + { + grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT); + grub_printf ("<%x>", (unsigned int) '\r'); + grub_setcolorstate (GRUB_TERM_COLOR_STANDARD); + } + + if (utcount) + { + grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT); + for (j = 0; j < utcount; j++) + grub_printf ("<%x>", (unsigned int) utbuf[j]); + grub_setcolorstate (GRUB_TERM_COLOR_STANDARD); + } + + grub_xputs ("\n"); + grub_refresh (); + grub_file_close (file); + + return 0; +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT(cat) +{ + cmd = grub_register_extcmd ("cat", grub_cmd_cat, 0, + N_("FILE"), N_("Show the contents of a file."), + options); +} + +GRUB_MOD_FINI(cat) +{ + grub_unregister_extcmd (cmd); +} diff --git a/grub-core/commands/cmp.c b/grub-core/commands/cmp.c new file mode 100644 index 0000000..e9c3b25 --- /dev/null +++ b/grub-core/commands/cmp.c @@ -0,0 +1,119 @@ +/* cmd.c - command to cmp an operating system */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2003,2005,2006,2007,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/file.h> +#include <grub/mm.h> +#include <grub/command.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +#define BUFFER_SIZE 512 + +static grub_err_t +grub_cmd_cmp (grub_command_t cmd __attribute__ ((unused)), + int argc, char **args) +{ + grub_ssize_t rd1, rd2; + grub_off_t pos; + grub_file_t file1 = 0; + grub_file_t file2 = 0; + char *buf1 = 0; + char *buf2 = 0; + + if (argc != 2) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("two arguments expected")); + + grub_printf_ (N_("Compare file `%s' with `%s':\n"), args[0], + args[1]); + + file1 = grub_file_open (args[0], GRUB_FILE_TYPE_CMP); + file2 = grub_file_open (args[1], GRUB_FILE_TYPE_CMP); + if (! file1 || ! file2) + goto cleanup; + + if (grub_file_size (file1) != grub_file_size (file2)) + grub_printf_ (N_("Files differ in size: %llu [%s], %llu [%s]\n"), + (unsigned long long) grub_file_size (file1), args[0], + (unsigned long long) grub_file_size (file2), args[1]); + else + { + pos = 0; + + buf1 = grub_malloc (BUFFER_SIZE); + buf2 = grub_malloc (BUFFER_SIZE); + + if (! buf1 || ! buf2) + goto cleanup; + + do + { + int i; + + rd1 = grub_file_read (file1, buf1, BUFFER_SIZE); + rd2 = grub_file_read (file2, buf2, BUFFER_SIZE); + + if (rd1 != rd2) + goto cleanup; + + for (i = 0; i < rd2; i++) + { + if (buf1[i] != buf2[i]) + { + grub_printf_ (N_("Files differ at the offset %llu: 0x%x [%s], 0x%x [%s]\n"), + (unsigned long long) (i + pos), buf1[i], + args[0], buf2[i], args[1]); + goto cleanup; + } + } + pos += BUFFER_SIZE; + + } + while (rd2); + + /* TRANSLATORS: it's always exactly 2 files. */ + grub_printf_ (N_("The files are identical.\n")); + } + +cleanup: + + grub_free (buf1); + grub_free (buf2); + if (file1) + grub_file_close (file1); + if (file2) + grub_file_close (file2); + + return grub_errno; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(cmp) +{ + cmd = grub_register_command ("cmp", grub_cmd_cmp, + N_("FILE1 FILE2"), N_("Compare two files.")); +} + +GRUB_MOD_FINI(cmp) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/configfile.c b/grub-core/commands/configfile.c new file mode 100644 index 0000000..f2d2abb --- /dev/null +++ b/grub-core/commands/configfile.c @@ -0,0 +1,98 @@ +/* configfile.c - command to manually load config file */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2005,2006,2007,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/term.h> +#include <grub/env.h> +#include <grub/normal.h> +#include <grub/command.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_err_t +grub_cmd_source (grub_command_t cmd, int argc, char **args) +{ + int new_env, extractor; + + if (argc != 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected")); + + extractor = (cmd->name[0] == 'e'); + new_env = (cmd->name[extractor ? sizeof ("extract_entries_") - 1 : 0] == 'c'); + + if (new_env) + grub_cls (); + + if (new_env && !extractor) + grub_env_context_open (); + if (extractor) + grub_env_extractor_open (!new_env); + + grub_normal_execute (args[0], 1, ! new_env); + + if (new_env && !extractor) + grub_env_context_close (); + if (extractor) + grub_env_extractor_close (!new_env); + + return 0; +} + +static grub_command_t cmd_configfile, cmd_source, cmd_dot; +static grub_command_t cmd_extractor_source, cmd_extractor_configfile; + +GRUB_MOD_INIT(configfile) +{ + cmd_configfile = + grub_register_command ("configfile", grub_cmd_source, + N_("FILE"), N_("Load another config file.")); + cmd_source = + grub_register_command ("source", grub_cmd_source, + N_("FILE"), + N_("Load another config file without changing context.") + ); + + cmd_extractor_source = + grub_register_command ("extract_entries_source", grub_cmd_source, + N_("FILE"), + N_("Load another config file without changing context but take only menu entries.") + ); + + cmd_extractor_configfile = + grub_register_command ("extract_entries_configfile", grub_cmd_source, + N_("FILE"), + N_("Load another config file but take only menu entries.") + ); + + cmd_dot = + grub_register_command (".", grub_cmd_source, + N_("FILE"), + N_("Load another config file without changing context.") + ); +} + +GRUB_MOD_FINI(configfile) +{ + grub_unregister_command (cmd_configfile); + grub_unregister_command (cmd_source); + grub_unregister_command (cmd_extractor_configfile); + grub_unregister_command (cmd_extractor_source); + grub_unregister_command (cmd_dot); +} diff --git a/grub-core/commands/date.c b/grub-core/commands/date.c new file mode 100644 index 0000000..5cb4faf --- /dev/null +++ b/grub-core/commands/date.c @@ -0,0 +1,149 @@ +/* date.c - command to display/set current datetime. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/err.h> +#include <grub/misc.h> +#include <grub/datetime.h> +#include <grub/command.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +#define GRUB_DATETIME_SET_YEAR 1 +#define GRUB_DATETIME_SET_MONTH 2 +#define GRUB_DATETIME_SET_DAY 4 +#define GRUB_DATETIME_SET_HOUR 8 +#define GRUB_DATETIME_SET_MINUTE 16 +#define GRUB_DATETIME_SET_SECOND 32 + +static grub_err_t +grub_cmd_date (grub_command_t cmd __attribute__ ((unused)), + int argc, char **args) +{ + struct grub_datetime datetime; + int limit[6][2] = {{1980, 2079}, {1, 12}, {1, 31}, {0, 23}, {0, 59}, {0, 59}}; + int value[6], mask; + + if (argc == 0) + { + if (grub_get_datetime (&datetime)) + return grub_errno; + + grub_printf ("%d-%02d-%02d %02d:%02d:%02d %s\n", + datetime.year, datetime.month, datetime.day, + datetime.hour, datetime.minute, datetime.second, + grub_get_weekday_name (&datetime)); + + return 0; + } + + grub_memset (&value, 0, sizeof (value)); + mask = 0; + + for (; argc; argc--, args++) + { + const char *p; + char c; + int m1, ofs, n, cur_mask; + + p = args[0]; + m1 = grub_strtoul (p, &p, 10); + + c = *p; + if (c == '-') + ofs = 0; + else if (c == ':') + ofs = 3; + else + goto fail; + + value[ofs] = m1; + cur_mask = (1 << ofs); + mask &= ~(cur_mask * (1 + 2 + 4)); + + for (n = 1; (n < 3) && (*p); n++) + { + if (*p != c) + goto fail; + + value[ofs + n] = grub_strtoul (p + 1, &p, 10); + cur_mask |= (1 << (ofs + n)); + } + + if (*p) + goto fail; + + if ((ofs == 0) && (n == 2)) + { + value[ofs + 2] = value[ofs + 1]; + value[ofs + 1] = value[ofs]; + ofs++; + cur_mask <<= 1; + } + + for (; n; n--, ofs++) + if ((value [ofs] < limit[ofs][0]) || + (value [ofs] > limit[ofs][1])) + goto fail; + + mask |= cur_mask; + } + + if (grub_get_datetime (&datetime)) + return grub_errno; + + if (mask & GRUB_DATETIME_SET_YEAR) + datetime.year = value[0]; + + if (mask & GRUB_DATETIME_SET_MONTH) + datetime.month = value[1]; + + if (mask & GRUB_DATETIME_SET_DAY) + datetime.day = value[2]; + + if (mask & GRUB_DATETIME_SET_HOUR) + datetime.hour = value[3]; + + if (mask & GRUB_DATETIME_SET_MINUTE) + datetime.minute = value[4]; + + if (mask & GRUB_DATETIME_SET_SECOND) + datetime.second = value[5]; + + return grub_set_datetime (&datetime); + +fail: + return grub_error (GRUB_ERR_BAD_ARGUMENT, "invalid datetime"); +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(date) +{ + cmd = + grub_register_command ("date", grub_cmd_date, + N_("[[year-]month-day] [hour:minute[:second]]"), + N_("Display/set current datetime.")); +} + +GRUB_MOD_FINI(date) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/echo.c b/grub-core/commands/echo.c new file mode 100644 index 0000000..81ba50d --- /dev/null +++ b/grub-core/commands/echo.c @@ -0,0 +1,141 @@ +/* echo.c - Command to display a line of text */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2006,2007,2010 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/extcmd.h> +#include <grub/i18n.h> +#include <grub/term.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static const struct grub_arg_option options[] = + { + {0, 'n', 0, N_("Do not output the trailing newline."), 0, 0}, + {0, 'e', 0, N_("Enable interpretation of backslash escapes."), 0, 0}, + {0, 0, 0, 0, 0, 0} + }; + +static grub_err_t +grub_cmd_echo (grub_extcmd_context_t ctxt, int argc, char **args) +{ + struct grub_arg_list *state = ctxt->state; + int newline = 1; + int i; + + /* Check if `-n' was used. */ + if (state[0].set) + newline = 0; + + for (i = 0; i < argc; i++) + { + char *arg = *args; + /* Unescaping results in a string no longer than the original. */ + char *unescaped = grub_malloc (grub_strlen (arg) + 1); + char *p = unescaped; + args++; + + if (!unescaped) + return grub_errno; + + while (*arg) + { + /* In case `-e' is used, parse backslashes. */ + if (*arg == '\\' && state[1].set) + { + arg++; + if (*arg == '\0') + break; + + switch (*arg) + { + case '\\': + *p++ = '\\'; + break; + + case 'a': + *p++ = '\a'; + break; + + case 'c': + newline = 0; + break; + + case 'f': + *p++ = '\f'; + break; + + case 'n': + *p++ = '\n'; + break; + + case 'r': + *p++ = '\r'; + break; + + case 't': + *p++ = '\t'; + break; + + case 'v': + *p++ = '\v'; + break; + } + arg++; + continue; + } + + /* This was not an escaped character, or escaping is not + enabled. */ + *p++ = *arg; + arg++; + } + + *p = '\0'; + grub_xputs (unescaped); + grub_free (unescaped); + + /* If another argument follows, insert a space. */ + if (i != argc - 1) + grub_printf (" " ); + } + + if (newline) + grub_printf ("\n"); + + grub_refresh (); + + return 0; +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT(echo) +{ + cmd = grub_register_extcmd ("echo", grub_cmd_echo, + GRUB_COMMAND_ACCEPT_DASH + | GRUB_COMMAND_OPTIONS_AT_START, + N_("[-e|-n] STRING"), N_("Display a line of text."), + options); +} + +GRUB_MOD_FINI(echo) +{ + grub_unregister_extcmd (cmd); +} diff --git a/grub-core/commands/efi/efifwsetup.c b/grub-core/commands/efi/efifwsetup.c new file mode 100644 index 0000000..eaca032 --- /dev/null +++ b/grub-core/commands/efi/efifwsetup.c @@ -0,0 +1,90 @@ +/* fwsetup.c - Reboot into firmware setup menu. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2012 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/types.h> +#include <grub/mm.h> +#include <grub/misc.h> +#include <grub/efi/api.h> +#include <grub/efi/efi.h> +#include <grub/command.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_err_t +grub_cmd_fwsetup (grub_command_t cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) +{ + grub_efi_uint64_t *old_os_indications; + grub_efi_uint64_t os_indications = GRUB_EFI_OS_INDICATIONS_BOOT_TO_FW_UI; + grub_err_t status; + grub_size_t oi_size; + grub_efi_guid_t global = GRUB_EFI_GLOBAL_VARIABLE_GUID; + + grub_efi_get_variable ("OsIndications", &global, &oi_size, + (void **) &old_os_indications); + + if (old_os_indications != NULL && oi_size == sizeof (os_indications)) + os_indications |= *old_os_indications; + + status = grub_efi_set_variable ("OsIndications", &global, &os_indications, + sizeof (os_indications)); + if (status != GRUB_ERR_NONE) + return status; + + grub_reboot (); + + return GRUB_ERR_BUG; +} + +static grub_command_t cmd = NULL; + +static grub_efi_boolean_t +efifwsetup_is_supported (void) +{ + grub_efi_uint64_t *os_indications_supported = NULL; + grub_size_t oi_size = 0; + grub_efi_guid_t global = GRUB_EFI_GLOBAL_VARIABLE_GUID; + + grub_efi_get_variable ("OsIndicationsSupported", &global, &oi_size, + (void **) &os_indications_supported); + + if (!os_indications_supported) + return 0; + + if (*os_indications_supported & GRUB_EFI_OS_INDICATIONS_BOOT_TO_FW_UI) + return 1; + + return 0; +} + +GRUB_MOD_INIT (efifwsetup) +{ + if (efifwsetup_is_supported ()) + cmd = grub_register_command ("fwsetup", grub_cmd_fwsetup, NULL, + N_("Reboot into firmware setup menu.")); + +} + +GRUB_MOD_FINI (efifwsetup) +{ + if (cmd) + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/efi/fixvideo.c b/grub-core/commands/efi/fixvideo.c new file mode 100644 index 0000000..d9d54a2 --- /dev/null +++ b/grub-core/commands/efi/fixvideo.c @@ -0,0 +1,114 @@ +/* fixvideo.c - fix video problem in efi */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/file.h> +#include <grub/pci.h> +#include <grub/command.h> +#include <grub/i18n.h> +#include <grub/mm.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static struct grub_video_patch +{ + const char *name; + grub_uint32_t pci_id; + grub_uint32_t mmio_bar; + grub_uint32_t mmio_reg; + grub_uint32_t mmio_old; +} video_patches[] = + { + {"Intel 945GM", 0x27a28086, 0, 0x71184, 0x1000000}, /* DSPBBASE */ + {"Intel 965GM", 0x2a028086, 0, 0x7119C, 0x1000000}, /* DSPBSURF */ + {0, 0, 0, 0, 0} + }; + +static int +scan_card (grub_pci_device_t dev, grub_pci_id_t pciid, + void *data __attribute__ ((unused))) +{ + grub_pci_address_t addr; + + addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS); + if (grub_pci_read_byte (addr + 3) == 0x3) + { + struct grub_video_patch *p = video_patches; + + while (p->name) + { + if (p->pci_id == pciid) + { + grub_addr_t base; + + grub_dprintf ("fixvideo", "Found graphic card: %s\n", p->name); + addr += 8 + p->mmio_bar * 4; + base = grub_pci_read (addr); + if ((! base) || (base & GRUB_PCI_ADDR_SPACE_IO) || + (base & GRUB_PCI_ADDR_MEM_PREFETCH)) + grub_dprintf ("fixvideo", "Invalid MMIO bar %d\n", p->mmio_bar); + else + { + base &= GRUB_PCI_ADDR_MEM_MASK; + base += p->mmio_reg; + + if (*((volatile grub_uint32_t *) base) != p->mmio_old) + grub_dprintf ("fixvideo", "Old value doesn't match\n"); + else + { + *((volatile grub_uint32_t *) base) = 0; + if (*((volatile grub_uint32_t *) base)) + grub_dprintf ("fixvideo", "Setting MMIO fails\n"); + } + } + + return 1; + } + p++; + } + + grub_dprintf ("fixvideo", "Unknown graphic card: %x\n", pciid); + } + + return 0; +} + +static grub_err_t +grub_cmd_fixvideo (grub_command_t cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char *argv[] __attribute__ ((unused))) +{ + grub_pci_iterate (scan_card, NULL); + return 0; +} + +static grub_command_t cmd_fixvideo; + +GRUB_MOD_INIT(fixvideo) +{ + cmd_fixvideo = grub_register_command ("fix_video", grub_cmd_fixvideo, + 0, N_("Fix video problem.")); + +} + +GRUB_MOD_FINI(fixvideo) +{ + grub_unregister_command (cmd_fixvideo); +} diff --git a/grub-core/commands/efi/loadbios.c b/grub-core/commands/efi/loadbios.c new file mode 100644 index 0000000..5c7725f --- /dev/null +++ b/grub-core/commands/efi/loadbios.c @@ -0,0 +1,222 @@ +/* loadbios.c - command to load a bios dump */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/file.h> +#include <grub/efi/efi.h> +#include <grub/pci.h> +#include <grub/command.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_efi_guid_t acpi_guid = GRUB_EFI_ACPI_TABLE_GUID; +static grub_efi_guid_t acpi2_guid = GRUB_EFI_ACPI_20_TABLE_GUID; +static grub_efi_guid_t smbios_guid = GRUB_EFI_SMBIOS_TABLE_GUID; + +#define EBDA_SEG_ADDR 0x40e +#define LOW_MEM_ADDR 0x413 +#define FAKE_EBDA_SEG 0x9fc0 + +#define BLANK_MEM 0xffffffff +#define VBIOS_ADDR 0xc0000 +#define SBIOS_ADDR 0xf0000 + +static int +enable_rom_area (void) +{ + grub_pci_address_t addr; + grub_uint32_t *rom_ptr; + grub_pci_device_t dev = { .bus = 0, .device = 0, .function = 0}; + + rom_ptr = (grub_uint32_t *) VBIOS_ADDR; + if (*rom_ptr != BLANK_MEM) + { + grub_puts_ (N_("ROM image is present.")); + return 0; + } + + /* FIXME: should be macroified. */ + addr = grub_pci_make_address (dev, 144); + grub_pci_write_byte (addr++, 0x30); + grub_pci_write_byte (addr++, 0x33); + grub_pci_write_byte (addr++, 0x33); + grub_pci_write_byte (addr++, 0x33); + grub_pci_write_byte (addr++, 0x33); + grub_pci_write_byte (addr++, 0x33); + grub_pci_write_byte (addr++, 0x33); + grub_pci_write_byte (addr, 0); + + *rom_ptr = 0; + if (*rom_ptr != 0) + { + grub_puts_ (N_("Can\'t enable ROM area.")); + return 0; + } + + return 1; +} + +static void +lock_rom_area (void) +{ + grub_pci_address_t addr; + grub_pci_device_t dev = { .bus = 0, .device = 0, .function = 0}; + + /* FIXME: should be macroified. */ + addr = grub_pci_make_address (dev, 144); + grub_pci_write_byte (addr++, 0x10); + grub_pci_write_byte (addr++, 0x11); + grub_pci_write_byte (addr++, 0x11); + grub_pci_write_byte (addr++, 0x11); + grub_pci_write_byte (addr, 0x11); +} + +static void +fake_bios_data (int use_rom) +{ + unsigned i; + void *acpi, *smbios; + grub_uint16_t *ebda_seg_ptr, *low_mem_ptr; + + ebda_seg_ptr = (grub_uint16_t *) EBDA_SEG_ADDR; + low_mem_ptr = (grub_uint16_t *) LOW_MEM_ADDR; + if ((*ebda_seg_ptr) || (*low_mem_ptr)) + return; + + acpi = 0; + smbios = 0; + for (i = 0; i < grub_efi_system_table->num_table_entries; i++) + { + grub_efi_packed_guid_t *guid = + &grub_efi_system_table->configuration_table[i].vendor_guid; + + if (! grub_memcmp (guid, &acpi2_guid, sizeof (grub_efi_guid_t))) + { + acpi = grub_efi_system_table->configuration_table[i].vendor_table; + grub_dprintf ("efi", "ACPI2: %p\n", acpi); + } + else if (! grub_memcmp (guid, &acpi_guid, sizeof (grub_efi_guid_t))) + { + void *t; + + t = grub_efi_system_table->configuration_table[i].vendor_table; + if (! acpi) + acpi = t; + grub_dprintf ("efi", "ACPI: %p\n", t); + } + else if (! grub_memcmp (guid, &smbios_guid, sizeof (grub_efi_guid_t))) + { + smbios = grub_efi_system_table->configuration_table[i].vendor_table; + grub_dprintf ("efi", "SMBIOS: %p\n", smbios); + } + } + + *ebda_seg_ptr = FAKE_EBDA_SEG; + *low_mem_ptr = (FAKE_EBDA_SEG >> 6); + + *((grub_uint16_t *) (FAKE_EBDA_SEG << 4)) = 640 - *low_mem_ptr; + + if (acpi) + grub_memcpy ((char *) ((FAKE_EBDA_SEG << 4) + 16), acpi, 1024 - 16); + + if ((use_rom) && (smbios)) + grub_memcpy ((char *) SBIOS_ADDR, (char *) smbios + 16, 16); +} + +static grub_err_t +grub_cmd_fakebios (struct grub_command *cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char *argv[] __attribute__ ((unused))) +{ + if (enable_rom_area ()) + { + fake_bios_data (1); + lock_rom_area (); + } + else + fake_bios_data (0); + + return 0; +} + +static grub_err_t +grub_cmd_loadbios (grub_command_t cmd __attribute__ ((unused)), + int argc, char *argv[]) +{ + grub_file_t file; + int size; + + if (argc == 0) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected")); + + if (argc > 1) + { + file = grub_file_open (argv[1], GRUB_FILE_TYPE_VBE_DUMP); + if (! file) + return grub_errno; + + if (file->size != 4) + grub_error (GRUB_ERR_BAD_ARGUMENT, "invalid int10 dump size"); + else + grub_file_read (file, (void *) 0x40, 4); + + grub_file_close (file); + if (grub_errno) + return grub_errno; + } + + file = grub_file_open (argv[0], GRUB_FILE_TYPE_VBE_DUMP); + if (! file) + return grub_errno; + + size = file->size; + if ((size < 0x10000) || (size > 0x40000)) + grub_error (GRUB_ERR_BAD_ARGUMENT, "invalid bios dump size"); + else if (enable_rom_area ()) + { + grub_file_read (file, (void *) VBIOS_ADDR, size); + fake_bios_data (size <= 0x40000); + lock_rom_area (); + } + + grub_file_close (file); + return grub_errno; +} + +static grub_command_t cmd_fakebios, cmd_loadbios; + +GRUB_MOD_INIT(loadbios) +{ + cmd_fakebios = grub_register_command_lockdown ("fakebios", grub_cmd_fakebios, + 0, N_("Create BIOS-like structures for" + " backward compatibility with" + " existing OS.")); + + cmd_loadbios = grub_register_command_lockdown ("loadbios", grub_cmd_loadbios, + N_("BIOS_DUMP [INT10_DUMP]"), + N_("Load BIOS dump.")); +} + +GRUB_MOD_FINI(loadbios) +{ + grub_unregister_command (cmd_fakebios); + grub_unregister_command (cmd_loadbios); +} diff --git a/grub-core/commands/efi/lsefi.c b/grub-core/commands/efi/lsefi.c new file mode 100644 index 0000000..d1ce99a --- /dev/null +++ b/grub-core/commands/efi/lsefi.c @@ -0,0 +1,155 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2012 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ +#include <grub/types.h> +#include <grub/mm.h> +#include <grub/misc.h> +#include <grub/efi/api.h> +#include <grub/efi/edid.h> +#include <grub/efi/pci.h> +#include <grub/efi/efi.h> +#include <grub/efi/uga_draw.h> +#include <grub/efi/graphics_output.h> +#include <grub/efi/console_control.h> +#include <grub/command.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +struct known_protocol +{ + grub_efi_guid_t guid; + const char *name; +} known_protocols[] = + { + { GRUB_EFI_DISK_IO_GUID, "disk" }, + { GRUB_EFI_BLOCK_IO_GUID, "block" }, + { GRUB_EFI_SERIAL_IO_GUID, "serial" }, + { GRUB_EFI_SIMPLE_NETWORK_GUID, "network" }, + { GRUB_EFI_PXE_GUID, "pxe" }, + { GRUB_EFI_DEVICE_PATH_GUID, "device path" }, + { GRUB_EFI_PCI_IO_GUID, "PCI" }, + { GRUB_EFI_PCI_ROOT_IO_GUID, "PCI root" }, + { GRUB_EFI_EDID_ACTIVE_GUID, "active EDID" }, + { GRUB_EFI_EDID_DISCOVERED_GUID, "discovered EDID" }, + { GRUB_EFI_EDID_OVERRIDE_GUID, "override EDID" }, + { GRUB_EFI_GOP_GUID, "GOP" }, + { GRUB_EFI_UGA_DRAW_GUID, "UGA draw" }, + { GRUB_EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID, "simple text output" }, + { GRUB_EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID, "simple text input" }, + { GRUB_EFI_SIMPLE_POINTER_PROTOCOL_GUID, "simple pointer" }, + { GRUB_EFI_CONSOLE_CONTROL_GUID, "console control" }, + { GRUB_EFI_ABSOLUTE_POINTER_PROTOCOL_GUID, "absolute pointer" }, + { GRUB_EFI_DRIVER_BINDING_PROTOCOL_GUID, "EFI driver binding" }, + { GRUB_EFI_LOAD_FILE_PROTOCOL_GUID, "load file" }, + { GRUB_EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID, "simple FS" }, + { GRUB_EFI_TAPE_IO_PROTOCOL_GUID, "tape I/O" }, + { GRUB_EFI_UNICODE_COLLATION_PROTOCOL_GUID, "unicode collation" }, + { GRUB_EFI_SCSI_IO_PROTOCOL_GUID, "SCSI I/O" }, + { GRUB_EFI_USB2_HC_PROTOCOL_GUID, "USB host" }, + { GRUB_EFI_DEBUG_SUPPORT_PROTOCOL_GUID, "debug support" }, + { GRUB_EFI_DEBUGPORT_PROTOCOL_GUID, "debug port" }, + { GRUB_EFI_DECOMPRESS_PROTOCOL_GUID, "decompress" }, + { GRUB_EFI_LOADED_IMAGE_PROTOCOL_GUID, "loaded image" }, + { GRUB_EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID, "device path to text" }, + { GRUB_EFI_DEVICE_PATH_UTILITIES_PROTOCOL_GUID, "device path utilities" }, + { GRUB_EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL_GUID, "device path from text" }, + { GRUB_EFI_HII_CONFIG_ROUTING_PROTOCOL_GUID, "HII config routing" }, + { GRUB_EFI_HII_DATABASE_PROTOCOL_GUID, "HII database" }, + { GRUB_EFI_HII_STRING_PROTOCOL_GUID, "HII string" }, + { GRUB_EFI_HII_IMAGE_PROTOCOL_GUID, "HII image" }, + { GRUB_EFI_HII_FONT_PROTOCOL_GUID, "HII font" }, + { GRUB_EFI_COMPONENT_NAME2_PROTOCOL_GUID, "component name 2" }, + { GRUB_EFI_HII_CONFIGURATION_ACCESS_PROTOCOL_GUID, + "HII configuration access" }, + { GRUB_EFI_USB_IO_PROTOCOL_GUID, "USB I/O" }, + }; + +static grub_err_t +grub_cmd_lsefi (grub_command_t cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) +{ + grub_efi_handle_t *handles; + grub_efi_uintn_t num_handles; + unsigned i, j, k; + + handles = grub_efi_locate_handle (GRUB_EFI_ALL_HANDLES, + NULL, NULL, &num_handles); + + for (i = 0; i < num_handles; i++) + { + grub_efi_handle_t handle = handles[i]; + grub_efi_status_t status; + grub_efi_uintn_t num_protocols; + grub_efi_packed_guid_t **protocols; + grub_efi_device_path_t *dp; + + grub_printf ("Handle %p\n", handle); + + dp = grub_efi_get_device_path (handle); + if (dp) + { + grub_printf (" "); + grub_efi_print_device_path (dp); + } + + status = efi_call_3 (grub_efi_system_table->boot_services->protocols_per_handle, + handle, &protocols, &num_protocols); + if (status != GRUB_EFI_SUCCESS) { + grub_printf ("Unable to retrieve protocols\n"); + continue; + } + for (j = 0; j < num_protocols; j++) + { + for (k = 0; k < ARRAY_SIZE (known_protocols); k++) + if (grub_memcmp (protocols[j], &known_protocols[k].guid, + sizeof (known_protocols[k].guid)) == 0) + break; + if (k < ARRAY_SIZE (known_protocols)) + grub_printf (" %s\n", known_protocols[k].name); + else + grub_printf (" %08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x\n", + protocols[j]->data1, + protocols[j]->data2, + protocols[j]->data3, + (unsigned) protocols[j]->data4[0], + (unsigned) protocols[j]->data4[1], + (unsigned) protocols[j]->data4[2], + (unsigned) protocols[j]->data4[3], + (unsigned) protocols[j]->data4[4], + (unsigned) protocols[j]->data4[5], + (unsigned) protocols[j]->data4[6], + (unsigned) protocols[j]->data4[7]); + } + + } + + return 0; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(lsefi) +{ + cmd = grub_register_command ("lsefi", grub_cmd_lsefi, + NULL, "Display EFI handles."); +} + +GRUB_MOD_FINI(lsefi) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/efi/lsefimmap.c b/grub-core/commands/efi/lsefimmap.c new file mode 100644 index 0000000..c85ff7f --- /dev/null +++ b/grub-core/commands/efi/lsefimmap.c @@ -0,0 +1,160 @@ +/* lsefimemmap.c - Display memory map. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ +#include <grub/types.h> +#include <grub/mm.h> +#include <grub/misc.h> +#include <grub/efi/api.h> +#include <grub/efi/efi.h> +#include <grub/command.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +#define ADD_MEMORY_DESCRIPTOR(desc, size) \ + ((grub_efi_memory_descriptor_t *) ((char *) (desc) + (size))) + +static grub_err_t +grub_cmd_lsefimmap (grub_command_t cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) +{ + grub_efi_uintn_t map_size; + grub_efi_memory_descriptor_t *memory_map; + grub_efi_memory_descriptor_t *memory_map_end; + grub_efi_memory_descriptor_t *desc; + grub_efi_uintn_t desc_size; + + map_size = 0; + if (grub_efi_get_memory_map (&map_size, NULL, NULL, &desc_size, 0) < 0) + return 0; + + memory_map = grub_malloc (map_size); + if (memory_map == NULL) + return grub_errno; + if (grub_efi_get_memory_map (&map_size, memory_map, NULL, &desc_size, 0) <= 0) + goto fail; + + grub_printf + ("Type Physical start - end #Pages " + " Size Attributes\n"); + memory_map_end = ADD_MEMORY_DESCRIPTOR (memory_map, map_size); + for (desc = memory_map; + desc < memory_map_end; + desc = ADD_MEMORY_DESCRIPTOR (desc, desc_size)) + { + grub_efi_uint64_t size; + grub_efi_uint64_t attr; + static const char types_str[][9] = + { + "reserved", + "ldr-code", + "ldr-data", + "BS-code ", + "BS-data ", + "RT-code ", + "RT-data ", + "conv-mem", + "unusable", + "ACPI-rec", + "ACPI-nvs", + "MMIO ", + "IO-ports", + "PAL-code", + "persist ", + }; + if (desc->type < ARRAY_SIZE (types_str)) + grub_printf ("%s ", types_str[desc->type]); + else + grub_printf ("Unk %02x ", desc->type); + + grub_printf (" %016" PRIxGRUB_UINT64_T "-%016" PRIxGRUB_UINT64_T + " %08" PRIxGRUB_UINT64_T, + desc->physical_start, + desc->physical_start + (desc->num_pages << 12) - 1, + desc->num_pages); + + size = desc->num_pages << 12; /* 4 KiB page size */ + /* + * Since size is a multiple of 4 KiB, no need to handle units + * of just Bytes (which would use a mask of 0x3ff). + * + * 14 characters would support the largest possible number of 4 KiB + * pages that are not a multiple of larger units (e.g., MiB): + * 17592186044415 (0xffffff_fffff000), but that uses a lot of + * whitespace for a rare case. 6 characters usually suffices; + * columns will be off if not, but this is preferable to rounding. + */ + if (size & 0xfffff) + grub_printf (" %6" PRIuGRUB_UINT64_T "KiB", size >> 10); + else if (size & 0x3fffffff) + grub_printf (" %6" PRIuGRUB_UINT64_T "MiB", size >> 20); + else if (size & 0xffffffffff) + grub_printf (" %6" PRIuGRUB_UINT64_T "GiB", size >> 30); + else if (size & 0x3ffffffffffff) + grub_printf (" %6" PRIuGRUB_UINT64_T "TiB", size >> 40); + else if (size & 0xfffffffffffffff) + grub_printf (" %6" PRIuGRUB_UINT64_T "PiB", size >> 50); + else + grub_printf (" %6" PRIuGRUB_UINT64_T "EiB", size >> 60); + + attr = desc->attribute; + if (attr & GRUB_EFI_MEMORY_RUNTIME) + grub_printf (" RT"); + if (attr & GRUB_EFI_MEMORY_UC) + grub_printf (" UC"); + if (attr & GRUB_EFI_MEMORY_WC) + grub_printf (" WC"); + if (attr & GRUB_EFI_MEMORY_WT) + grub_printf (" WT"); + if (attr & GRUB_EFI_MEMORY_WB) + grub_printf (" WB"); + if (attr & GRUB_EFI_MEMORY_UCE) + grub_printf (" UCE"); + if (attr & GRUB_EFI_MEMORY_WP) + grub_printf (" WP"); + if (attr & GRUB_EFI_MEMORY_RP) + grub_printf (" RP"); + if (attr & GRUB_EFI_MEMORY_XP) + grub_printf (" XP"); + if (attr & GRUB_EFI_MEMORY_NV) + grub_printf (" NV"); + if (attr & GRUB_EFI_MEMORY_MORE_RELIABLE) + grub_printf (" MR"); + if (attr & GRUB_EFI_MEMORY_RO) + grub_printf (" RO"); + + grub_printf ("\n"); + } + + fail: + grub_free (memory_map); + return 0; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(lsefimmap) +{ + cmd = grub_register_command ("lsefimmap", grub_cmd_lsefimmap, + "", "Display EFI memory map."); +} + +GRUB_MOD_FINI(lsefimmap) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/efi/lsefisystab.c b/grub-core/commands/efi/lsefisystab.c new file mode 100644 index 0000000..456198e --- /dev/null +++ b/grub-core/commands/efi/lsefisystab.c @@ -0,0 +1,125 @@ +/* lsefisystab.c - Display EFI systab. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ +#include <grub/types.h> +#include <grub/mm.h> +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/normal.h> +#include <grub/charset.h> +#include <grub/efi/api.h> +#include <grub/efi/efi.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +struct guid_mapping +{ + grub_efi_guid_t guid; + const char *name; +}; + +static const struct guid_mapping guid_mappings[] = + { + { GRUB_EFI_ACPI_20_TABLE_GUID, "ACPI-2.0"}, + { GRUB_EFI_ACPI_TABLE_GUID, "ACPI-1.0"}, + { GRUB_EFI_CRC32_GUIDED_SECTION_EXTRACTION_GUID, + "CRC32 GUIDED SECTION EXTRACTION"}, + { GRUB_EFI_DEBUG_IMAGE_INFO_TABLE_GUID, "DEBUG IMAGE INFO"}, + { GRUB_EFI_DEVICE_TREE_GUID, "DEVICE TREE"}, + { GRUB_EFI_DXE_SERVICES_TABLE_GUID, "DXE SERVICES"}, + { GRUB_EFI_HCDP_TABLE_GUID, "HCDP"}, + { GRUB_EFI_HOB_LIST_GUID, "HOB LIST"}, + { GRUB_EFI_LZMA_CUSTOM_DECOMPRESS_GUID, "LZMA CUSTOM DECOMPRESS"}, + { GRUB_EFI_MEMORY_TYPE_INFORMATION_GUID, "MEMORY TYPE INFO"}, + { GRUB_EFI_MPS_TABLE_GUID, "MPS"}, + { GRUB_EFI_RT_PROPERTIES_TABLE_GUID, "RT PROPERTIES"}, + { GRUB_EFI_SAL_TABLE_GUID, "SAL"}, + { GRUB_EFI_SMBIOS_TABLE_GUID, "SMBIOS"}, + { GRUB_EFI_SMBIOS3_TABLE_GUID, "SMBIOS3"}, + { GRUB_EFI_SYSTEM_RESOURCE_TABLE_GUID, "SYSTEM RESOURCE TABLE"}, + { GRUB_EFI_TIANO_CUSTOM_DECOMPRESS_GUID, "TIANO CUSTOM DECOMPRESS"}, + { GRUB_EFI_TSC_FREQUENCY_GUID, "TSC FREQUENCY"}, + }; + +static grub_err_t +grub_cmd_lsefisystab (struct grub_command *cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) +{ + const grub_efi_system_table_t *st = grub_efi_system_table; + grub_efi_configuration_table_t *t; + unsigned int i; + + grub_printf ("Address: %p\n", st); + grub_printf ("Signature: %016" PRIxGRUB_UINT64_T " revision: %08x\n", + st->hdr.signature, st->hdr.revision); + { + char *vendor; + grub_uint16_t *vendor_utf16; + grub_printf ("Vendor: "); + + for (vendor_utf16 = st->firmware_vendor; *vendor_utf16; vendor_utf16++); + /* Allocate extra 3 bytes to simplify math. */ + vendor = grub_calloc (4, vendor_utf16 - st->firmware_vendor + 1); + if (!vendor) + return grub_errno; + *grub_utf16_to_utf8 ((grub_uint8_t *) vendor, st->firmware_vendor, + vendor_utf16 - st->firmware_vendor) = 0; + grub_printf ("%s", vendor); + grub_free (vendor); + } + + grub_printf (", Version=%x\n", st->firmware_revision); + + grub_printf ("%lld tables:\n", (long long) st->num_table_entries); + t = st->configuration_table; + for (i = 0; i < st->num_table_entries; i++) + { + unsigned int j; + + grub_printf ("%p ", t->vendor_table); + + grub_printf ("%08x-%04x-%04x-", + t->vendor_guid.data1, t->vendor_guid.data2, + t->vendor_guid.data3); + for (j = 0; j < 8; j++) + grub_printf ("%02x", t->vendor_guid.data4[j]); + + for (j = 0; j < ARRAY_SIZE (guid_mappings); j++) + if (grub_memcmp (&guid_mappings[j].guid, &t->vendor_guid, + sizeof (grub_efi_guid_t)) == 0) + grub_printf (" %s", guid_mappings[j].name); + + grub_printf ("\n"); + t++; + } + return GRUB_ERR_NONE; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(lsefisystab) +{ + cmd = grub_register_command ("lsefisystab", grub_cmd_lsefisystab, + "", "Display EFI system tables."); +} + +GRUB_MOD_FINI(lsefisystab) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/efi/lssal.c b/grub-core/commands/efi/lssal.c new file mode 100644 index 0000000..5084ddd --- /dev/null +++ b/grub-core/commands/efi/lssal.c @@ -0,0 +1,169 @@ +/* lssal.c - Display EFI SAL systab. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ +#include <grub/types.h> +#include <grub/mm.h> +#include <grub/misc.h> +#include <grub/normal.h> +#include <grub/charset.h> +#include <grub/efi/api.h> +#include <grub/efi/efi.h> +#include <grub/dl.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static void +disp_sal (void *table) +{ + struct grub_efi_sal_system_table *t = table; + void *desc; + grub_uint32_t len, l, i; + + grub_printf ("SAL rev: %02x, signature: %x, len:%x\n", + t->sal_rev, t->signature, t->total_table_len); + grub_printf ("nbr entry: %d, chksum: %02x, SAL version A: %02x B: %02x\n", + t->entry_count, t->checksum, + t->sal_a_version, t->sal_b_version); + grub_printf ("OEM-ID: %-32s\n", t->oem_id); + grub_printf ("Product-ID: %-32s\n", t->product_id); + + desc = t->entries; + len = t->total_table_len - sizeof (struct grub_efi_sal_system_table); + if (t->total_table_len <= sizeof (struct grub_efi_sal_system_table)) + return; + for (i = 0; i < t->entry_count; i++) + { + switch (*(grub_uint8_t *) desc) + { + case GRUB_EFI_SAL_SYSTEM_TABLE_TYPE_ENTRYPOINT_DESCRIPTOR: + { + struct grub_efi_sal_system_table_entrypoint_descriptor *c = desc; + l = sizeof (*c); + grub_printf (" Entry point: PAL=%016" PRIxGRUB_UINT64_T + " SAL=%016" PRIxGRUB_UINT64_T " GP=%016" + PRIxGRUB_UINT64_T "\n", + c->pal_proc_addr, c->sal_proc_addr, + c->global_data_ptr); + } + break; + case GRUB_EFI_SAL_SYSTEM_TABLE_TYPE_MEMORY_DESCRIPTOR: + { + struct grub_efi_sal_system_table_memory_descriptor *c = desc; + l = sizeof (*c); + grub_printf (" Memory descriptor entry addr=%016" PRIxGRUB_UINT64_T + " len=%" PRIuGRUB_UINT64_T "KB\n", + c->addr, c->len * 4); + grub_printf (" sal_used=%d attr=%x AR=%x attr_mask=%x " + "type=%x usage=%x\n", + c->sal_used, c->attr, c->ar, c->attr_mask, c->mem_type, + c->usage); + } + break; + case GRUB_EFI_SAL_SYSTEM_TABLE_TYPE_PLATFORM_FEATURES: + { + struct grub_efi_sal_system_table_platform_features *c = desc; + l = sizeof (*c); + grub_printf (" Platform features: %02x", c->flags); + if (c->flags & GRUB_EFI_SAL_SYSTEM_TABLE_PLATFORM_FEATURE_BUSLOCK) + grub_printf (" BusLock"); + if (c->flags & GRUB_EFI_SAL_SYSTEM_TABLE_PLATFORM_FEATURE_IRQREDIRECT) + grub_printf (" IrqRedirect"); + if (c->flags & GRUB_EFI_SAL_SYSTEM_TABLE_PLATFORM_FEATURE_IPIREDIRECT) + + grub_printf (" IPIRedirect"); + if (c->flags & GRUB_EFI_SAL_SYSTEM_TABLE_PLATFORM_FEATURE_ITCDRIFT) + + grub_printf (" ITCDrift"); + grub_printf ("\n"); + } + break; + case GRUB_EFI_SAL_SYSTEM_TABLE_TYPE_TRANSLATION_REGISTER_DESCRIPTOR: + { + struct grub_efi_sal_system_table_translation_register_descriptor *c + = desc; + l = sizeof (*c); + grub_printf (" TR type=%d num=%d va=%016" PRIxGRUB_UINT64_T + " pte=%016" PRIxGRUB_UINT64_T "\n", + c->register_type, c->register_number, + c->addr, c->page_size); + } + break; + case GRUB_EFI_SAL_SYSTEM_TABLE_TYPE_PURGE_TRANSLATION_COHERENCE: + { + struct grub_efi_sal_system_table_purge_translation_coherence *c + = desc; + l = sizeof (*c); + grub_printf (" PTC coherence nbr=%d addr=%016" PRIxGRUB_UINT64_T "\n", + c->ndomains, c->coherence); + } + break; + case GRUB_EFI_SAL_SYSTEM_TABLE_TYPE_AP_WAKEUP: + { + struct grub_efi_sal_system_table_ap_wakeup *c = desc; + l = sizeof (*c); + grub_printf (" AP wake-up: mec=%d vect=%" PRIxGRUB_UINT64_T "\n", + c->mechanism, c->vector); + } + break; + default: + grub_printf (" unknown entry 0x%x\n", *(grub_uint8_t *)desc); + return; + } + desc = (grub_uint8_t *)desc + l; + if (len <= l) + return; + len -= l; + } +} + +static grub_err_t +grub_cmd_lssal (struct grub_command *cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) +{ + const grub_efi_system_table_t *st = grub_efi_system_table; + grub_efi_configuration_table_t *t = st->configuration_table; + unsigned int i; + grub_efi_packed_guid_t guid = GRUB_EFI_SAL_TABLE_GUID; + + for (i = 0; i < st->num_table_entries; i++) + { + if (grub_memcmp (&guid, &t->vendor_guid, + sizeof (grub_efi_packed_guid_t)) == 0) + { + disp_sal (t->vendor_table); + return GRUB_ERR_NONE; + } + t++; + } + grub_printf ("SAL not found\n"); + return GRUB_ERR_NONE; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(lssal) +{ + cmd = grub_register_command ("lssal", grub_cmd_lssal, "", + "Display SAL system table."); +} + +GRUB_MOD_FINI(lssal) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/efi/smbios.c b/grub-core/commands/efi/smbios.c new file mode 100644 index 0000000..75202d5 --- /dev/null +++ b/grub-core/commands/efi/smbios.c @@ -0,0 +1,61 @@ +/* smbios.c - get smbios tables. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2019 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/smbios.h> +#include <grub/misc.h> +#include <grub/efi/efi.h> +#include <grub/efi/api.h> + +struct grub_smbios_eps * +grub_machine_smbios_get_eps (void) +{ + unsigned i; + static grub_efi_packed_guid_t smbios_guid = GRUB_EFI_SMBIOS_TABLE_GUID; + + for (i = 0; i < grub_efi_system_table->num_table_entries; i++) + { + grub_efi_packed_guid_t *guid = + &grub_efi_system_table->configuration_table[i].vendor_guid; + + if (! grub_memcmp (guid, &smbios_guid, sizeof (grub_efi_packed_guid_t))) + return (struct grub_smbios_eps *) + grub_efi_system_table->configuration_table[i].vendor_table; + } + + return 0; +} + +struct grub_smbios_eps3 * +grub_machine_smbios_get_eps3 (void) +{ + unsigned i; + static grub_efi_packed_guid_t smbios3_guid = GRUB_EFI_SMBIOS3_TABLE_GUID; + + for (i = 0; i < grub_efi_system_table->num_table_entries; i++) + { + grub_efi_packed_guid_t *guid = + &grub_efi_system_table->configuration_table[i].vendor_guid; + + if (! grub_memcmp (guid, &smbios3_guid, sizeof (grub_efi_packed_guid_t))) + return (struct grub_smbios_eps3 *) + grub_efi_system_table->configuration_table[i].vendor_table; + } + + return 0; +} diff --git a/grub-core/commands/efi/tpm.c b/grub-core/commands/efi/tpm.c new file mode 100644 index 0000000..a97d853 --- /dev/null +++ b/grub-core/commands/efi/tpm.c @@ -0,0 +1,241 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2018 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + * + * EFI TPM support code. + */ + +#include <grub/err.h> +#include <grub/i18n.h> +#include <grub/efi/api.h> +#include <grub/efi/efi.h> +#include <grub/efi/tpm.h> +#include <grub/mm.h> +#include <grub/tpm.h> +#include <grub/term.h> + +typedef TCG_PCR_EVENT grub_tpm_event_t; + +static grub_efi_guid_t tpm_guid = EFI_TPM_GUID; +static grub_efi_guid_t tpm2_guid = EFI_TPM2_GUID; + +static grub_efi_handle_t *grub_tpm_handle; +static grub_uint8_t grub_tpm_version; + +static grub_int8_t tpm1_present = -1; +static grub_int8_t tpm2_present = -1; + +static grub_efi_boolean_t +grub_tpm1_present (grub_efi_tpm_protocol_t *tpm) +{ + grub_efi_status_t status; + TCG_EFI_BOOT_SERVICE_CAPABILITY caps; + grub_uint32_t flags; + grub_efi_physical_address_t eventlog, lastevent; + + if (tpm1_present != -1) + return (grub_efi_boolean_t) tpm1_present; + + caps.Size = (grub_uint8_t) sizeof (caps); + + status = efi_call_5 (tpm->status_check, tpm, &caps, &flags, &eventlog, + &lastevent); + + if (status != GRUB_EFI_SUCCESS || caps.TPMDeactivatedFlag + || !caps.TPMPresentFlag) + tpm1_present = 0; + else + tpm1_present = 1; + + grub_dprintf ("tpm", "tpm1%s present\n", tpm1_present ? "" : " NOT"); + + return (grub_efi_boolean_t) tpm1_present; +} + +static grub_efi_boolean_t +grub_tpm2_present (grub_efi_tpm2_protocol_t *tpm) +{ + grub_efi_status_t status; + EFI_TCG2_BOOT_SERVICE_CAPABILITY caps; + + caps.Size = (grub_uint8_t) sizeof (caps); + + if (tpm2_present != -1) + return (grub_efi_boolean_t) tpm2_present; + + status = efi_call_2 (tpm->get_capability, tpm, &caps); + + if (status != GRUB_EFI_SUCCESS || !caps.TPMPresentFlag) + tpm2_present = 0; + else + tpm2_present = 1; + + grub_dprintf ("tpm", "tpm2%s present\n", tpm2_present ? "" : " NOT"); + + return (grub_efi_boolean_t) tpm2_present; +} + +static grub_efi_boolean_t +grub_tpm_handle_find (grub_efi_handle_t *tpm_handle, + grub_efi_uint8_t *protocol_version) +{ + grub_efi_handle_t *handles; + grub_efi_uintn_t num_handles; + + if (grub_tpm_handle != NULL) + { + *tpm_handle = grub_tpm_handle; + *protocol_version = grub_tpm_version; + return 1; + } + + handles = grub_efi_locate_handle (GRUB_EFI_BY_PROTOCOL, &tpm_guid, NULL, + &num_handles); + if (handles && num_handles > 0) + { + grub_tpm_handle = handles[0]; + *tpm_handle = handles[0]; + grub_tpm_version = 1; + *protocol_version = 1; + grub_dprintf ("tpm", "TPM handle Found, version: 1\n"); + return 1; + } + + handles = grub_efi_locate_handle (GRUB_EFI_BY_PROTOCOL, &tpm2_guid, NULL, + &num_handles); + if (handles && num_handles > 0) + { + grub_tpm_handle = handles[0]; + *tpm_handle = handles[0]; + grub_tpm_version = 2; + *protocol_version = 2; + grub_dprintf ("tpm", "TPM handle Found, version: 2\n"); + return 1; + } + + return 0; +} + +static grub_err_t +grub_efi_log_event_status (grub_efi_status_t status) +{ + switch (status) + { + case GRUB_EFI_SUCCESS: + return 0; + case GRUB_EFI_DEVICE_ERROR: + return grub_error (GRUB_ERR_IO, N_("Command failed")); + case GRUB_EFI_INVALID_PARAMETER: + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("Invalid parameter")); + case GRUB_EFI_BUFFER_TOO_SMALL: + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("Output buffer too small")); + case GRUB_EFI_NOT_FOUND: + return grub_error (GRUB_ERR_UNKNOWN_DEVICE, N_("TPM unavailable")); + default: + return grub_error (GRUB_ERR_UNKNOWN_DEVICE, N_("Unknown TPM error")); + } +} + +static grub_err_t +grub_tpm1_log_event (grub_efi_handle_t tpm_handle, unsigned char *buf, + grub_size_t size, grub_uint8_t pcr, + const char *description) +{ + grub_tpm_event_t *event; + grub_efi_status_t status; + grub_efi_tpm_protocol_t *tpm; + grub_efi_physical_address_t lastevent; + grub_uint32_t algorithm; + grub_uint32_t eventnum = 0; + + tpm = grub_efi_open_protocol (tpm_handle, &tpm_guid, + GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL); + + if (!grub_tpm1_present (tpm)) + return 0; + + event = grub_zalloc (sizeof (*event) + grub_strlen (description) + 1); + if (!event) + return grub_error (GRUB_ERR_OUT_OF_MEMORY, + N_("cannot allocate TPM event buffer")); + + event->PCRIndex = pcr; + event->EventType = EV_IPL; + event->EventSize = grub_strlen (description) + 1; + grub_memcpy (event->Event, description, event->EventSize); + + algorithm = TCG_ALG_SHA; + status = efi_call_7 (tpm->log_extend_event, tpm, (grub_addr_t) buf, (grub_uint64_t) size, + algorithm, event, &eventnum, &lastevent); + grub_free (event); + + return grub_efi_log_event_status (status); +} + +static grub_err_t +grub_tpm2_log_event (grub_efi_handle_t tpm_handle, unsigned char *buf, + grub_size_t size, grub_uint8_t pcr, + const char *description) +{ + EFI_TCG2_EVENT *event; + grub_efi_status_t status; + grub_efi_tpm2_protocol_t *tpm; + + tpm = grub_efi_open_protocol (tpm_handle, &tpm2_guid, + GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL); + + if (!grub_tpm2_present (tpm)) + return 0; + + event = + grub_zalloc (sizeof (EFI_TCG2_EVENT) + grub_strlen (description) + 1); + if (!event) + return grub_error (GRUB_ERR_OUT_OF_MEMORY, + N_("cannot allocate TPM event buffer")); + + event->Header.HeaderSize = sizeof (EFI_TCG2_EVENT_HEADER); + event->Header.HeaderVersion = 1; + event->Header.PCRIndex = pcr; + event->Header.EventType = EV_IPL; + event->Size = + sizeof (*event) - sizeof (event->Event) + grub_strlen (description) + 1; + grub_memcpy (event->Event, description, grub_strlen (description) + 1); + + status = efi_call_5 (tpm->hash_log_extend_event, tpm, 0, (grub_addr_t) buf, + (grub_uint64_t) size, event); + grub_free (event); + + return grub_efi_log_event_status (status); +} + +grub_err_t +grub_tpm_measure (unsigned char *buf, grub_size_t size, grub_uint8_t pcr, + const char *description) +{ + grub_efi_handle_t tpm_handle; + grub_efi_uint8_t protocol_version; + + if (!grub_tpm_handle_find (&tpm_handle, &protocol_version)) + return 0; + + grub_dprintf ("tpm", "log_event, pcr = %d, size = 0x%" PRIxGRUB_SIZE ", %s\n", + pcr, size, description); + + if (protocol_version == 1) + return grub_tpm1_log_event (tpm_handle, buf, size, pcr, description); + else + return grub_tpm2_log_event (tpm_handle, buf, size, pcr, description); +} diff --git a/grub-core/commands/eval.c b/grub-core/commands/eval.c new file mode 100644 index 0000000..f826a4f --- /dev/null +++ b/grub-core/commands/eval.c @@ -0,0 +1,71 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/script_sh.h> +#include <grub/command.h> +#include <grub/i18n.h> +#include <grub/term.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_err_t +grub_cmd_eval (grub_command_t cmd __attribute__((__unused__)), + int argc, char *argv[]) +{ + int i; + grub_size_t size = argc; /* +1 for final zero */ + char *str, *p; + grub_err_t ret; + + if (argc == 0) + return GRUB_ERR_NONE; + + for (i = 0; i < argc; i++) + size += grub_strlen (argv[i]); + + str = p = grub_malloc (size); + if (!str) + return grub_errno; + + for (i = 0; i < argc; i++) + { + p = grub_stpcpy (p, argv[i]); + *p++ = ' '; + } + *--p = '\0'; + + ret = grub_script_execute_sourcecode (str); + grub_free (str); + return ret; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(eval) +{ + cmd = grub_register_command ("eval", grub_cmd_eval, N_("STRING ..."), + N_("Evaluate arguments as GRUB commands")); +} + +GRUB_MOD_FINI(eval) +{ + grub_unregister_command (cmd); +} + diff --git a/grub-core/commands/extcmd.c b/grub-core/commands/extcmd.c new file mode 100644 index 0000000..90a5ca2 --- /dev/null +++ b/grub-core/commands/extcmd.c @@ -0,0 +1,141 @@ +/* extcmd.c - support extended command */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/mm.h> +#include <grub/list.h> +#include <grub/lockdown.h> +#include <grub/misc.h> +#include <grub/extcmd.h> +#include <grub/script_sh.h> +#include <grub/dl.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +grub_err_t +grub_extcmd_dispatcher (struct grub_command *cmd, int argc, char **args, + struct grub_script *script) +{ + int new_argc; + char **new_args; + struct grub_arg_list *state; + struct grub_extcmd_context context; + grub_err_t ret; + grub_extcmd_t ext = cmd->data; + + context.state = 0; + context.extcmd = ext; + context.script = script; + + if (! ext->options) + { + ret = (ext->func) (&context, argc, args); + return ret; + } + + state = grub_arg_list_alloc (ext, argc, args); + if (grub_arg_parse (ext, argc, args, state, &new_args, &new_argc)) + { + context.state = state; + ret = (ext->func) (&context, new_argc, new_args); + grub_free (new_args); + grub_free (state); + return ret; + } + + grub_free (state); + return grub_errno; +} + +static grub_err_t +grub_extcmd_dispatch (struct grub_command *cmd, int argc, char **args) +{ + return grub_extcmd_dispatcher (cmd, argc, args, 0); +} + +grub_extcmd_t +grub_register_extcmd_prio (const char *name, grub_extcmd_func_t func, + grub_command_flags_t flags, const char *summary, + const char *description, + const struct grub_arg_option *parser, + int prio) +{ + grub_extcmd_t ext; + grub_command_t cmd; + + ext = (grub_extcmd_t) grub_malloc (sizeof (*ext)); + if (! ext) + return 0; + + cmd = grub_register_command_prio (name, grub_extcmd_dispatch, + summary, description, prio); + if (! cmd) + { + grub_free (ext); + return 0; + } + + cmd->flags = (flags | GRUB_COMMAND_FLAG_EXTCMD); + cmd->data = ext; + + ext->cmd = cmd; + ext->func = func; + ext->options = parser; + ext->data = 0; + + return ext; +} + +grub_extcmd_t +grub_register_extcmd (const char *name, grub_extcmd_func_t func, + grub_command_flags_t flags, const char *summary, + const char *description, + const struct grub_arg_option *parser) +{ + return grub_register_extcmd_prio (name, func, flags, + summary, description, parser, 1); +} + +static grub_err_t +grub_extcmd_lockdown (grub_extcmd_context_t ctxt __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char **argv __attribute__ ((unused))) +{ + return grub_error (GRUB_ERR_ACCESS_DENIED, + N_("%s: the command is not allowed when lockdown is enforced"), + ctxt->extcmd->cmd->name); +} + +grub_extcmd_t +grub_register_extcmd_lockdown (const char *name, grub_extcmd_func_t func, + grub_command_flags_t flags, const char *summary, + const char *description, + const struct grub_arg_option *parser) +{ + if (grub_is_lockdown () == GRUB_LOCKDOWN_ENABLED) + func = grub_extcmd_lockdown; + + return grub_register_extcmd (name, func, flags, summary, description, parser); +} + +void +grub_unregister_extcmd (grub_extcmd_t ext) +{ + grub_unregister_command (ext->cmd); + grub_free (ext); +} diff --git a/grub-core/commands/file.c b/grub-core/commands/file.c new file mode 100644 index 0000000..9de0006 --- /dev/null +++ b/grub-core/commands/file.c @@ -0,0 +1,694 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2013 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/env.h> +#include <grub/command.h> +#include <grub/extcmd.h> +#include <grub/i18n.h> +#include <grub/file.h> +#include <grub/elf.h> +#include <grub/xen_file.h> +#include <grub/efi/pe32.h> +#include <grub/arm/linux.h> +#include <grub/arm64/linux.h> +#include <grub/i386/linux.h> +#include <grub/xnu.h> +#include <grub/machoload.h> +#include <grub/fileid.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static const struct grub_arg_option options[] = { + {"is-i386-xen-pae-domu", 0, 0, + N_("Check if FILE can be booted as i386 PAE Xen unprivileged guest kernel"), + 0, 0}, + {"is-x86_64-xen-domu", 0, 0, + N_("Check if FILE can be booted as x86_64 Xen unprivileged guest kernel"), 0, 0}, + {"is-x86-xen-dom0", 0, 0, + N_("Check if FILE can be used as Xen x86 privileged guest kernel"), 0, 0}, + {"is-x86-multiboot", 0, 0, + N_("Check if FILE can be used as x86 multiboot kernel"), 0, 0}, + {"is-x86-multiboot2", 0, 0, + N_("Check if FILE can be used as x86 multiboot2 kernel"), 0, 0}, + {"is-arm-linux", 0, 0, + N_("Check if FILE is ARM Linux"), 0, 0}, + {"is-arm64-linux", 0, 0, + N_("Check if FILE is ARM64 Linux"), 0, 0}, + {"is-ia64-linux", 0, 0, + N_("Check if FILE is IA64 Linux"), 0, 0}, + {"is-mips-linux", 0, 0, + N_("Check if FILE is MIPS Linux"), 0, 0}, + {"is-mipsel-linux", 0, 0, + N_("Check if FILE is MIPSEL Linux"), 0, 0}, + {"is-sparc64-linux", 0, 0, + N_("Check if FILE is SPARC64 Linux"), 0, 0}, + {"is-powerpc-linux", 0, 0, + N_("Check if FILE is POWERPC Linux"), 0, 0}, + {"is-x86-linux", 0, 0, + N_("Check if FILE is x86 Linux"), 0, 0}, + {"is-x86-linux32", 0, 0, + N_("Check if FILE is x86 Linux supporting 32-bit protocol"), 0, 0}, + {"is-x86-kfreebsd", 0, 0, + N_("Check if FILE is x86 kFreeBSD"), 0, 0}, + {"is-i386-kfreebsd", 0, 0, + N_("Check if FILE is i386 kFreeBSD"), 0, 0}, + {"is-x86_64-kfreebsd", 0, 0, + N_("Check if FILE is x86_64 kFreeBSD"), 0, 0}, + + {"is-x86-knetbsd", 0, 0, + N_("Check if FILE is x86 kNetBSD"), 0, 0}, + {"is-i386-knetbsd", 0, 0, + N_("Check if FILE is i386 kNetBSD"), 0, 0}, + {"is-x86_64-knetbsd", 0, 0, + N_("Check if FILE is x86_64 kNetBSD"), 0, 0}, + + {"is-i386-efi", 0, 0, + N_("Check if FILE is i386 EFI file"), 0, 0}, + {"is-x86_64-efi", 0, 0, + N_("Check if FILE is x86_64 EFI file"), 0, 0}, + {"is-ia64-efi", 0, 0, + N_("Check if FILE is IA64 EFI file"), 0, 0}, + {"is-arm64-efi", 0, 0, + N_("Check if FILE is ARM64 EFI file"), 0, 0}, + {"is-arm-efi", 0, 0, + N_("Check if FILE is ARM EFI file"), 0, 0}, + {"is-riscv32-efi", 0, 0, + N_("Check if FILE is RISC-V 32bit EFI file"), 0, 0}, + {"is-riscv64-efi", 0, 0, + N_("Check if FILE is RISC-V 64bit EFI file"), 0, 0}, + {"is-hibernated-hiberfil", 0, 0, + N_("Check if FILE is hiberfil.sys in hibernated state"), 0, 0}, + {"is-x86_64-xnu", 0, 0, + N_("Check if FILE is x86_64 XNU (Mac OS X kernel)"), 0, 0}, + {"is-i386-xnu", 0, 0, + N_("Check if FILE is i386 XNU (Mac OS X kernel)"), 0, 0}, + {"is-xnu-hibr", 0, 0, + N_("Check if FILE is XNU (Mac OS X kernel) hibernated image"), 0, 0}, + {"is-x86-bios-bootsector", 0, 0, + N_("Check if FILE is BIOS bootsector"), 0, 0}, + {0, 0, 0, 0, 0, 0} +}; + +enum +{ + IS_PAE_DOMU, + IS_64_DOMU, + IS_DOM0, + IS_MULTIBOOT, + IS_MULTIBOOT2, + IS_ARM_LINUX, + IS_ARM64_LINUX, + IS_IA64_LINUX, + IS_MIPS_LINUX, + IS_MIPSEL_LINUX, + IS_SPARC64_LINUX, + IS_POWERPC_LINUX, + IS_X86_LINUX, + IS_X86_LINUX32, + IS_X86_KFREEBSD, + IS_X86_KFREEBSD32, + IS_X86_KFREEBSD64, + IS_X86_KNETBSD, + IS_X86_KNETBSD32, + IS_X86_KNETBSD64, + IS_32_EFI, + IS_64_EFI, + IS_IA_EFI, + IS_ARM64_EFI, + IS_ARM_EFI, + IS_RISCV32_EFI, + IS_RISCV64_EFI, + IS_HIBERNATED, + IS_XNU64, + IS_XNU32, + IS_XNU_HIBR, + IS_BIOS_BOOTSECTOR, + OPT_TYPE_MIN = IS_PAE_DOMU, + OPT_TYPE_MAX = IS_BIOS_BOOTSECTOR +}; + + +static grub_err_t +grub_cmd_file (grub_extcmd_context_t ctxt, int argc, char **args) +{ + grub_file_t file = 0; + grub_elf_t elf = 0; + grub_err_t err; + int type = -1, i; + int ret = 0; + grub_macho_t macho = 0; + + if (argc == 0) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected")); + for (i = OPT_TYPE_MIN; i <= OPT_TYPE_MAX; i++) + if (ctxt->state[i].set) + { + if (type == -1) + { + type = i; + continue; + } + return grub_error (GRUB_ERR_BAD_ARGUMENT, "multiple types specified"); + } + if (type == -1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "no type specified"); + + file = grub_file_open (args[0], GRUB_FILE_TYPE_XNU_KERNEL); + if (!file) + return grub_errno; + switch (type) + { + case IS_BIOS_BOOTSECTOR: + { + grub_uint16_t sig; + if (grub_file_size (file) != 512) + break; + if (grub_file_seek (file, 510) == (grub_size_t) -1) + break; + if (grub_file_read (file, &sig, 2) != 2) + break; + if (sig != grub_cpu_to_le16_compile_time (0xaa55)) + break; + ret = 1; + break; + } + case IS_IA64_LINUX: + { + Elf64_Ehdr ehdr; + + if (grub_file_read (file, &ehdr, sizeof (ehdr)) != sizeof (ehdr)) + break; + + if (ehdr.e_ident[EI_MAG0] != ELFMAG0 + || ehdr.e_ident[EI_MAG1] != ELFMAG1 + || ehdr.e_ident[EI_MAG2] != ELFMAG2 + || ehdr.e_ident[EI_MAG3] != ELFMAG3 + || ehdr.e_ident[EI_VERSION] != EV_CURRENT + || ehdr.e_version != EV_CURRENT) + break; + + if (ehdr.e_ident[EI_CLASS] != ELFCLASS64 + || ehdr.e_ident[EI_DATA] != ELFDATA2LSB + || ehdr.e_machine != grub_cpu_to_le16_compile_time (EM_IA_64)) + break; + + ret = 1; + + break; + } + + case IS_SPARC64_LINUX: + { + Elf64_Ehdr ehdr; + + if (grub_file_read (file, &ehdr, sizeof (ehdr)) != sizeof (ehdr)) + break; + + if (ehdr.e_ident[EI_MAG0] != ELFMAG0 + || ehdr.e_ident[EI_MAG1] != ELFMAG1 + || ehdr.e_ident[EI_MAG2] != ELFMAG2 + || ehdr.e_ident[EI_MAG3] != ELFMAG3 + || ehdr.e_ident[EI_VERSION] != EV_CURRENT + || ehdr.e_version != EV_CURRENT) + break; + + if (ehdr.e_ident[EI_CLASS] != ELFCLASS64 + || ehdr.e_ident[EI_DATA] != ELFDATA2MSB) + break; + + if (ehdr.e_machine != grub_cpu_to_le16_compile_time (EM_SPARCV9) + || ehdr.e_type != grub_cpu_to_be16_compile_time (ET_EXEC)) + break; + + ret = 1; + + break; + } + + case IS_POWERPC_LINUX: + { + Elf32_Ehdr ehdr; + + if (grub_file_read (file, &ehdr, sizeof (ehdr)) != sizeof (ehdr)) + break; + + if (ehdr.e_ident[EI_MAG0] != ELFMAG0 + || ehdr.e_ident[EI_MAG1] != ELFMAG1 + || ehdr.e_ident[EI_MAG2] != ELFMAG2 + || ehdr.e_ident[EI_MAG3] != ELFMAG3 + || ehdr.e_ident[EI_VERSION] != EV_CURRENT + || ehdr.e_version != EV_CURRENT) + break; + + if (ehdr.e_ident[EI_DATA] != ELFDATA2MSB + || (ehdr.e_machine != grub_cpu_to_le16_compile_time (EM_PPC) + && ehdr.e_machine != + grub_cpu_to_le16_compile_time (EM_PPC64))) + break; + + if (ehdr.e_type != grub_cpu_to_be16_compile_time (ET_EXEC) + && ehdr.e_type != grub_cpu_to_be16_compile_time (ET_DYN)) + break; + + ret = 1; + + break; + } + + case IS_MIPS_LINUX: + { + Elf32_Ehdr ehdr; + + if (grub_file_read (file, &ehdr, sizeof (ehdr)) != sizeof (ehdr)) + break; + + if (ehdr.e_ident[EI_MAG0] != ELFMAG0 + || ehdr.e_ident[EI_MAG1] != ELFMAG1 + || ehdr.e_ident[EI_MAG2] != ELFMAG2 + || ehdr.e_ident[EI_MAG3] != ELFMAG3 + || ehdr.e_ident[EI_VERSION] != EV_CURRENT + || ehdr.e_version != EV_CURRENT) + break; + + if (ehdr.e_ident[EI_DATA] != ELFDATA2MSB + || ehdr.e_machine != grub_cpu_to_be16_compile_time (EM_MIPS) + || ehdr.e_type != grub_cpu_to_be16_compile_time (ET_EXEC)) + break; + + ret = 1; + + break; + } + + case IS_X86_KNETBSD: + case IS_X86_KNETBSD32: + case IS_X86_KNETBSD64: + { + int is32, is64; + + elf = grub_elf_file (file, file->name); + + if (elf->ehdr.ehdr32.e_type != grub_cpu_to_le16_compile_time (ET_EXEC) + || elf->ehdr.ehdr32.e_ident[EI_DATA] != ELFDATA2LSB) + break; + + is32 = grub_elf_is_elf32 (elf); + is64 = grub_elf_is_elf64 (elf); + if (!is32 && !is64) + break; + if (!is32 && type == IS_X86_KNETBSD32) + break; + if (!is64 && type == IS_X86_KNETBSD64) + break; + if (is64) + ret = grub_file_check_netbsd64 (elf); + if (is32) + ret = grub_file_check_netbsd32 (elf); + break; + } + + case IS_X86_KFREEBSD: + case IS_X86_KFREEBSD32: + case IS_X86_KFREEBSD64: + { + Elf32_Ehdr ehdr; + int is32, is64; + + if (grub_file_read (file, &ehdr, sizeof (ehdr)) != sizeof (ehdr)) + break; + + if (ehdr.e_ident[EI_MAG0] != ELFMAG0 + || ehdr.e_ident[EI_MAG1] != ELFMAG1 + || ehdr.e_ident[EI_MAG2] != ELFMAG2 + || ehdr.e_ident[EI_MAG3] != ELFMAG3 + || ehdr.e_ident[EI_VERSION] != EV_CURRENT + || ehdr.e_version != EV_CURRENT) + break; + + if (ehdr.e_type != grub_cpu_to_le16_compile_time (ET_EXEC) + || ehdr.e_ident[EI_DATA] != ELFDATA2LSB) + break; + + if (ehdr.e_ident[EI_OSABI] != ELFOSABI_FREEBSD) + break; + + is32 = (ehdr.e_machine == grub_cpu_to_le16_compile_time (EM_386) + && ehdr.e_ident[EI_CLASS] == ELFCLASS32); + is64 = (ehdr.e_machine == grub_cpu_to_le16_compile_time (EM_X86_64) + && ehdr.e_ident[EI_CLASS] == ELFCLASS64); + if (!is32 && !is64) + break; + if (!is32 && (type == IS_X86_KFREEBSD32 || type == IS_X86_KNETBSD32)) + break; + if (!is64 && (type == IS_X86_KFREEBSD64 || type == IS_X86_KNETBSD64)) + break; + ret = 1; + + break; + } + + + case IS_MIPSEL_LINUX: + { + Elf32_Ehdr ehdr; + + if (grub_file_read (file, &ehdr, sizeof (ehdr)) != sizeof (ehdr)) + break; + + if (ehdr.e_ident[EI_MAG0] != ELFMAG0 + || ehdr.e_ident[EI_MAG1] != ELFMAG1 + || ehdr.e_ident[EI_MAG2] != ELFMAG2 + || ehdr.e_ident[EI_MAG3] != ELFMAG3 + || ehdr.e_ident[EI_VERSION] != EV_CURRENT + || ehdr.e_version != EV_CURRENT) + break; + + if (ehdr.e_machine != grub_cpu_to_le16_compile_time (EM_MIPS) + || ehdr.e_type != grub_cpu_to_le16_compile_time (ET_EXEC)) + break; + + ret = 1; + + break; + } + case IS_ARM_LINUX: + { + struct linux_arm_kernel_header lh; + + if (grub_file_read (file, &lh, sizeof (lh)) != sizeof (lh)) + break; + /* Short forward branch in A32 state (for Raspberry pi kernels). */ + if (lh.code0 == grub_cpu_to_le32_compile_time (0xea000006)) + { + ret = 1; + break; + } + + if (lh.magic == + grub_cpu_to_le32_compile_time (GRUB_LINUX_ARM_MAGIC_SIGNATURE)) + { + ret = 1; + break; + } + break; + } + case IS_ARM64_LINUX: + { + struct linux_arm64_kernel_header lh; + + if (grub_file_read (file, &lh, sizeof (lh)) != sizeof (lh)) + break; + + if (lh.magic == + grub_cpu_to_le32_compile_time (GRUB_LINUX_ARM64_MAGIC_SIGNATURE)) + { + ret = 1; + break; + } + break; + } + case IS_PAE_DOMU ... IS_DOM0: + { + struct grub_xen_file_info xen_inf; + elf = grub_xen_file (file); + if (!elf) + break; + err = grub_xen_get_info (elf, &xen_inf); + if (err) + break; + /* Unfortuntely no way to check if kernel supports dom0. */ + if (type == IS_DOM0) + ret = 1; + if (type == IS_PAE_DOMU) + ret = (xen_inf.arch == GRUB_XEN_FILE_I386_PAE + || xen_inf.arch == GRUB_XEN_FILE_I386_PAE_BIMODE); + if (type == IS_64_DOMU) + ret = (xen_inf.arch == GRUB_XEN_FILE_X86_64); + break; + } + case IS_MULTIBOOT: + case IS_MULTIBOOT2: + { + grub_uint32_t *buffer; + grub_ssize_t len; + grub_size_t search_size; + grub_uint32_t *header; + grub_uint32_t magic; + grub_size_t step; + + if (type == IS_MULTIBOOT2) + { + search_size = 32768; + magic = grub_cpu_to_le32_compile_time (0xe85250d6); + step = 2; + } + else + { + search_size = 8192; + magic = grub_cpu_to_le32_compile_time (0x1BADB002); + step = 1; + } + + buffer = grub_malloc (search_size); + if (!buffer) + break; + + len = grub_file_read (file, buffer, search_size); + if (len < 32) + { + grub_free (buffer); + break; + } + + /* Look for the multiboot header in the buffer. The header should + be at least 12 bytes and aligned on a 4-byte boundary. */ + for (header = buffer; + ((char *) header <= + (char *) buffer + len - (type == IS_MULTIBOOT2 ? 16 : 12)); + header += step) + { + if (header[0] == magic + && !(grub_le_to_cpu32 (header[0]) + + grub_le_to_cpu32 (header[1]) + + grub_le_to_cpu32 (header[2]) + + (type == IS_MULTIBOOT2 + ? grub_le_to_cpu32 (header[3]) : 0))) + { + ret = 1; + break; + } + } + + grub_free (buffer); + break; + } + case IS_X86_LINUX32: + case IS_X86_LINUX: + { + struct linux_i386_kernel_header lh; + if (grub_file_read (file, &lh, sizeof (lh)) != sizeof (lh)) + break; + if (lh.boot_flag != grub_cpu_to_le16_compile_time (0xaa55)) + break; + + if (lh.setup_sects > GRUB_LINUX_MAX_SETUP_SECTS) + break; + + /* FIXME: some really old kernels (< 1.3.73) will fail this. */ + if (lh.header != + grub_cpu_to_le32_compile_time (GRUB_LINUX_I386_MAGIC_SIGNATURE) + || grub_le_to_cpu16 (lh.version) < 0x0200) + break; + + if (type == IS_X86_LINUX) + { + ret = 1; + break; + } + + /* FIXME: 2.03 is not always good enough (Linux 2.4 can be 2.03 and + still not support 32-bit boot. */ + if (lh.header != + grub_cpu_to_le32_compile_time (GRUB_LINUX_I386_MAGIC_SIGNATURE) + || grub_le_to_cpu16 (lh.version) < 0x0203) + break; + + if (!(lh.loadflags & GRUB_LINUX_FLAG_BIG_KERNEL)) + break; + ret = 1; + break; + } + case IS_HIBERNATED: + { + grub_uint8_t hibr_file_magic[4]; + if (grub_file_read (file, &hibr_file_magic, sizeof (hibr_file_magic)) + != sizeof (hibr_file_magic)) + break; + if (grub_memcmp ("hibr", hibr_file_magic, sizeof (hibr_file_magic)) == + 0 + || grub_memcmp ("HIBR", hibr_file_magic, + sizeof (hibr_file_magic)) == 0) + ret = 1; + break; + } + case IS_XNU64: + case IS_XNU32: + { + macho = grub_macho_open (args[0], GRUB_FILE_TYPE_XNU_KERNEL, + (type == IS_XNU64)); + if (!macho) + break; + /* FIXME: more checks? */ + ret = 1; + break; + } + case IS_XNU_HIBR: + { + struct grub_xnu_hibernate_header hibhead; + if (grub_file_read (file, &hibhead, sizeof (hibhead)) + != sizeof (hibhead)) + break; + if (hibhead.magic != + grub_cpu_to_le32_compile_time (GRUB_XNU_HIBERNATE_MAGIC)) + break; + ret = 1; + break; + } + case IS_32_EFI: + case IS_64_EFI: + case IS_IA_EFI: + case IS_ARM64_EFI: + case IS_ARM_EFI: + case IS_RISCV32_EFI: + case IS_RISCV64_EFI: + { + char signature[4]; + grub_uint32_t pe_offset; + struct grub_pe32_coff_header coff_head; + + if (grub_file_read (file, signature, 2) != 2) + break; + if (signature[0] != 'M' || signature[1] != 'Z') + break; + if ((grub_ssize_t) grub_file_seek (file, 0x3c) == -1) + break; + if (grub_file_read (file, &pe_offset, 4) != 4) + break; + if ((grub_ssize_t) grub_file_seek (file, grub_le_to_cpu32 (pe_offset)) + == -1) + break; + if (grub_file_read (file, signature, 4) != 4) + break; + if (signature[0] != 'P' || signature[1] != 'E' + || signature[2] != '\0' || signature[3] != '\0') + break; + + if (grub_file_read (file, &coff_head, sizeof (coff_head)) + != sizeof (coff_head)) + break; + if (type == IS_32_EFI + && coff_head.machine != + grub_cpu_to_le16_compile_time (GRUB_PE32_MACHINE_I386)) + break; + if (type == IS_64_EFI + && coff_head.machine != + grub_cpu_to_le16_compile_time (GRUB_PE32_MACHINE_X86_64)) + break; + if (type == IS_IA_EFI + && coff_head.machine != + grub_cpu_to_le16_compile_time (GRUB_PE32_MACHINE_IA64)) + break; + if (type == IS_ARM64_EFI + && coff_head.machine != + grub_cpu_to_le16_compile_time (GRUB_PE32_MACHINE_ARM64)) + break; + if (type == IS_ARM_EFI + && coff_head.machine != + grub_cpu_to_le16_compile_time (GRUB_PE32_MACHINE_ARMTHUMB_MIXED)) + break; + if ((type == IS_RISCV32_EFI || type == IS_RISCV64_EFI) + && coff_head.machine != + grub_cpu_to_le16_compile_time (GRUB_PE32_MACHINE_RISCV64)) + /* TODO: Determine bitness dynamically */ + break; + if (type == IS_IA_EFI || type == IS_64_EFI || type == IS_ARM64_EFI || + type == IS_RISCV32_EFI || type == IS_RISCV64_EFI) + { + struct grub_pe64_optional_header o64; + if (grub_file_read (file, &o64, sizeof (o64)) != sizeof (o64)) + break; + if (o64.magic != + grub_cpu_to_le16_compile_time (GRUB_PE32_PE64_MAGIC)) + break; + if (o64.subsystem != + grub_cpu_to_le16_compile_time + (GRUB_PE32_SUBSYSTEM_EFI_APPLICATION)) + break; + ret = 1; + break; + } + if (type == IS_32_EFI || type == IS_ARM_EFI) + { + struct grub_pe32_optional_header o32; + if (grub_file_read (file, &o32, sizeof (o32)) != sizeof (o32)) + break; + if (o32.magic != + grub_cpu_to_le16_compile_time (GRUB_PE32_PE32_MAGIC)) + break; + if (o32.subsystem != + grub_cpu_to_le16_compile_time + (GRUB_PE32_SUBSYSTEM_EFI_APPLICATION)) + break; + ret = 1; + break; + } + break; + } + } + + if (elf) + grub_elf_close (elf); + else if (macho) + grub_macho_close (macho); + else if (file) + grub_file_close (file); + + if (!ret && (grub_errno == GRUB_ERR_BAD_OS || grub_errno == GRUB_ERR_NONE)) + /* TRANSLATORS: it's a standalone boolean value, + opposite of "true". */ + grub_error (GRUB_ERR_TEST_FAILURE, N_("false")); + return grub_errno; +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT(file) +{ + cmd = grub_register_extcmd ("file", grub_cmd_file, 0, + N_("OPTIONS FILE"), + N_("Check if FILE is of specified type."), + options); +} + +GRUB_MOD_FINI(file) +{ + grub_unregister_extcmd (cmd); +} diff --git a/grub-core/commands/file32.c b/grub-core/commands/file32.c new file mode 100644 index 0000000..0861c45 --- /dev/null +++ b/grub-core/commands/file32.c @@ -0,0 +1,5 @@ +#define GRUB_TARGET_WORDSIZE 32 +#define XX 32 +#define ehdrXX ehdr32 +#define grub_file_check_netbsdXX grub_file_check_netbsd32 +#include "fileXX.c" diff --git a/grub-core/commands/file64.c b/grub-core/commands/file64.c new file mode 100644 index 0000000..90890d4 --- /dev/null +++ b/grub-core/commands/file64.c @@ -0,0 +1,5 @@ +#define GRUB_TARGET_WORDSIZE 64 +#define XX 64 +#define ehdrXX ehdr64 +#define grub_file_check_netbsdXX grub_file_check_netbsd64 +#include "fileXX.c" diff --git a/grub-core/commands/fileXX.c b/grub-core/commands/fileXX.c new file mode 100644 index 0000000..c17d26c --- /dev/null +++ b/grub-core/commands/fileXX.c @@ -0,0 +1,74 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2013 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/fileid.h> +#include <grub/elfload.h> +#include <grub/misc.h> + +#pragma GCC diagnostic ignored "-Wcast-align" + +int +grub_file_check_netbsdXX (grub_elf_t elf) +{ + Elf_Shdr *s, *s0; + + grub_size_t shnum = elf->ehdr.ehdrXX.e_shnum; + grub_size_t shentsize = elf->ehdr.ehdrXX.e_shentsize; + grub_size_t shsize = shnum * shentsize; + grub_off_t stroff; + + if (!shnum || !shentsize) + return 0; + + s0 = grub_malloc (shsize); + if (!s0) + return 0; + + if (grub_file_seek (elf->file, elf->ehdr.ehdrXX.e_shoff) == (grub_off_t) -1) + goto fail; + + if (grub_file_read (elf->file, s0, shsize) != (grub_ssize_t) shsize) + goto fail; + + s = (Elf_Shdr *) ((char *) s0 + elf->ehdr.ehdrXX.e_shstrndx * shentsize); + stroff = s->sh_offset; + + for (s = s0; s < (Elf_Shdr *) ((char *) s0 + shnum * shentsize); + s = (Elf_Shdr *) ((char *) s + shentsize)) + { + char name[sizeof(".note.netbsd.ident")]; + grub_memset (name, 0, sizeof (name)); + if (grub_file_seek (elf->file, stroff + s->sh_name) == (grub_off_t) -1) + goto fail; + + if (grub_file_read (elf->file, name, sizeof (name)) != (grub_ssize_t) sizeof (name)) + { + if (grub_errno) + goto fail; + continue; + } + if (grub_memcmp (name, ".note.netbsd.ident", + sizeof(".note.netbsd.ident")) != 0) + continue; + grub_free (s0); + return 1; + } + fail: + grub_free (s0); + return 0; +} diff --git a/grub-core/commands/gptsync.c b/grub-core/commands/gptsync.c new file mode 100644 index 0000000..444e248 --- /dev/null +++ b/grub-core/commands/gptsync.c @@ -0,0 +1,266 @@ +/* gptsync.c - fill the mbr based on gpt entries */ +/* XXX: I don't know what to do if sector size isn't 512 bytes */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/command.h> +#include <grub/dl.h> +#include <grub/device.h> +#include <grub/disk.h> +#include <grub/msdos_partition.h> +#include <grub/partition.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/fs.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +/* Convert a LBA address to a CHS address in the INT 13 format. */ +/* Taken from grub1. */ +/* XXX: use hardcoded geometry of C = 1024, H = 255, S = 63. + Is it a problem? +*/ +static void +lba_to_chs (grub_uint32_t lba, grub_uint8_t *cl, grub_uint8_t *ch, + grub_uint8_t *dh) +{ + grub_uint32_t cylinder, head, sector; + grub_uint32_t sectors = 63, heads = 255, cylinders = 1024; + + sector = lba % sectors + 1; + head = (lba / sectors) % heads; + cylinder = lba / (sectors * heads); + + if (cylinder >= cylinders) + { + *cl = *ch = *dh = 0xff; + return; + } + + *cl = sector | ((cylinder & 0x300) >> 2); + *ch = cylinder & 0xFF; + *dh = head; +} + +static grub_err_t +grub_cmd_gptsync (grub_command_t cmd __attribute__ ((unused)), + int argc, char **args) +{ + grub_device_t dev; + struct grub_msdos_partition_mbr mbr; + struct grub_partition *partition; + grub_disk_addr_t first_sector; + int numactive = 0; + int i; + + if (argc < 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "device name required"); + if (argc > 4) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "only 3 partitions can be " + "in hybrid MBR"); + + if (args[0][0] == '(' && args[0][grub_strlen (args[0]) - 1] == ')') + { + args[0][grub_strlen (args[0]) - 1] = 0; + dev = grub_device_open (args[0] + 1); + args[0][grub_strlen (args[0])] = ')'; + } + else + dev = grub_device_open (args[0]); + + if (! dev) + return grub_errno; + + if (! dev->disk) + { + grub_device_close (dev); + return grub_error (GRUB_ERR_BAD_ARGUMENT, "not a disk"); + } + + /* Read the protective MBR. */ + if (grub_disk_read (dev->disk, 0, 0, sizeof (mbr), &mbr)) + { + grub_device_close (dev); + return grub_errno; + } + + /* Check if it is valid. */ + if (mbr.signature != grub_cpu_to_le16_compile_time (GRUB_PC_PARTITION_SIGNATURE)) + { + grub_device_close (dev); + return grub_error (GRUB_ERR_BAD_PART_TABLE, "no signature"); + } + + /* Make sure the MBR is a protective MBR and not a normal MBR. */ + for (i = 0; i < 4; i++) + if (mbr.entries[i].type == GRUB_PC_PARTITION_TYPE_GPT_DISK) + break; + if (i == 4) + { + grub_device_close (dev); + return grub_error (GRUB_ERR_BAD_PART_TABLE, "no GPT partition map found"); + } + + first_sector = dev->disk->total_sectors; + for (i = 1; i < argc; i++) + { + char *separator, csep = 0; + grub_uint8_t type; + separator = grub_strchr (args[i], '+'); + if (! separator) + separator = grub_strchr (args[i], '-'); + if (separator) + { + csep = *separator; + *separator = 0; + } + partition = grub_partition_probe (dev->disk, args[i]); + if (separator) + *separator = csep; + if (! partition) + { + grub_device_close (dev); + return grub_error (GRUB_ERR_UNKNOWN_DEVICE, + N_("no such partition")); + } + + if (partition->start + partition->len > 0xffffffff) + { + grub_device_close (dev); + return grub_error (GRUB_ERR_OUT_OF_RANGE, + "only partitions residing in the first 2TB " + "can be present in hybrid MBR"); + } + + + if (first_sector > partition->start) + first_sector = partition->start; + + if (separator && *(separator + 1)) + type = grub_strtoul (separator + 1, 0, 0); + else + { + grub_fs_t fs = 0; + dev->disk->partition = partition; + fs = grub_fs_probe (dev); + + /* Unknown filesystem isn't fatal. */ + if (grub_errno == GRUB_ERR_UNKNOWN_FS) + { + fs = 0; + grub_errno = GRUB_ERR_NONE; + } + + if (fs && grub_strcmp (fs->name, "ntfs") == 0) + type = GRUB_PC_PARTITION_TYPE_NTFS; + else if (fs && grub_strcmp (fs->name, "fat") == 0) + /* FIXME: detect FAT16. */ + type = GRUB_PC_PARTITION_TYPE_FAT32_LBA; + else if (fs && (grub_strcmp (fs->name, "hfsplus") == 0 + || grub_strcmp (fs->name, "hfs") == 0)) + type = GRUB_PC_PARTITION_TYPE_HFS; + else + /* FIXME: detect more types. */ + type = GRUB_PC_PARTITION_TYPE_EXT2FS; + + dev->disk->partition = 0; + } + + mbr.entries[i].flag = (csep == '+') ? 0x80 : 0; + if (csep == '+') + { + numactive++; + if (numactive == 2) + { + grub_device_close (dev); + return grub_error (GRUB_ERR_BAD_ARGUMENT, + "only one partition can be active"); + } + } + mbr.entries[i].type = type; + mbr.entries[i].start = grub_cpu_to_le32 (partition->start); + lba_to_chs (partition->start, + &(mbr.entries[i].start_sector), + &(mbr.entries[i].start_cylinder), + &(mbr.entries[i].start_head)); + lba_to_chs (partition->start + partition->len - 1, + &(mbr.entries[i].end_sector), + &(mbr.entries[i].end_cylinder), + &(mbr.entries[i].end_head)); + mbr.entries[i].length = grub_cpu_to_le32 (partition->len); + grub_free (partition); + } + for (; i < 4; i++) + grub_memset (&(mbr.entries[i]), 0, sizeof (mbr.entries[i])); + + /* The protective partition. */ + if (first_sector > 0xffffffff) + first_sector = 0xffffffff; + else + first_sector--; + mbr.entries[0].flag = 0; + mbr.entries[0].type = GRUB_PC_PARTITION_TYPE_GPT_DISK; + mbr.entries[0].start = grub_cpu_to_le32_compile_time (1); + lba_to_chs (1, + &(mbr.entries[0].start_sector), + &(mbr.entries[0].start_cylinder), + &(mbr.entries[0].start_head)); + lba_to_chs (first_sector, + &(mbr.entries[0].end_sector), + &(mbr.entries[0].end_cylinder), + &(mbr.entries[0].end_head)); + mbr.entries[0].length = grub_cpu_to_le32 (first_sector); + + mbr.signature = grub_cpu_to_le16_compile_time (GRUB_PC_PARTITION_SIGNATURE); + + if (grub_disk_write (dev->disk, 0, 0, sizeof (mbr), &mbr)) + { + grub_device_close (dev); + return grub_errno; + } + + grub_device_close (dev); + + grub_printf_ (N_("New MBR is written to `%s'\n"), args[0]); + + return GRUB_ERR_NONE; +} + + +static grub_command_t cmd; + +GRUB_MOD_INIT(gptsync) +{ + (void) mod; /* To stop warning. */ + cmd = grub_register_command ("gptsync", grub_cmd_gptsync, + N_("DEVICE [PARTITION[+/-[TYPE]]] ..."), + /* TRANSLATORS: MBR type is one-byte partition + type id. */ + N_("Fill hybrid MBR of GPT drive DEVICE. " + "Specified partitions will be a part " + "of hybrid MBR. Up to 3 partitions are " + "allowed. TYPE is an MBR type. " + "+ means that partition is active. " + "Only one partition can be active.")); +} + +GRUB_MOD_FINI(gptsync) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/halt.c b/grub-core/commands/halt.c new file mode 100644 index 0000000..f8596ec --- /dev/null +++ b/grub-core/commands/halt.c @@ -0,0 +1,47 @@ +/* halt.c - command to halt the computer. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2005,2007,2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/command.h> +#include <grub/misc.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_err_t __attribute__ ((noreturn)) +grub_cmd_halt (grub_command_t cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) +{ + grub_halt (); +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(halt) +{ + cmd = grub_register_command ("halt", grub_cmd_halt, + 0, N_("Halts the computer. This command does" + " not work on all firmware implementations.")); +} + +GRUB_MOD_FINI(halt) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/hashsum.c b/grub-core/commands/hashsum.c new file mode 100644 index 0000000..b8a22b0 --- /dev/null +++ b/grub-core/commands/hashsum.c @@ -0,0 +1,334 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/extcmd.h> +#include <grub/file.h> +#include <grub/disk.h> +#include <grub/mm.h> +#include <grub/misc.h> +#include <grub/crypto.h> +#include <grub/normal.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static const struct grub_arg_option options[] = { + {"hash", 'h', 0, N_("Specify hash to use."), N_("HASH"), ARG_TYPE_STRING}, + {"check", 'c', 0, N_("Check hashes of files with hash list FILE."), + N_("FILE"), ARG_TYPE_STRING}, + {"prefix", 'p', 0, N_("Base directory for hash list."), N_("DIR"), + ARG_TYPE_STRING}, + {"keep-going", 'k', 0, N_("Don't stop after first error."), 0, 0}, + {"uncompress", 'u', 0, N_("Uncompress file before checksumming."), 0, 0}, + {0, 0, 0, 0, 0, 0} +}; + +static struct { const char *name; const char *hashname; } aliases[] = + { + {"sha256sum", "sha256"}, + {"sha512sum", "sha512"}, + {"sha1sum", "sha1"}, + {"md5sum", "md5"}, + {"crc", "crc32"}, + }; + +static inline int +hextoval (char c) +{ + if (c >= '0' && c <= '9') + return c - '0'; + if (c >= 'a' && c <= 'f') + return c - 'a' + 10; + if (c >= 'A' && c <= 'F') + return c - 'A' + 10; + return -1; +} + +static grub_err_t +hash_file (grub_file_t file, const gcry_md_spec_t *hash, void *result) +{ + void *context; + grub_uint8_t *readbuf; +#define BUF_SIZE 4096 + readbuf = grub_malloc (BUF_SIZE); + if (!readbuf) + return grub_errno; + context = grub_zalloc (hash->contextsize); + if (!readbuf || !context) + goto fail; + + hash->init (context); + while (1) + { + grub_ssize_t r; + r = grub_file_read (file, readbuf, BUF_SIZE); + if (r < 0) + goto fail; + if (r == 0) + break; + hash->write (context, readbuf, r); + } + hash->final (context); + grub_memcpy (result, hash->read (context), hash->mdlen); + + grub_free (readbuf); + grub_free (context); + + return GRUB_ERR_NONE; + + fail: + grub_free (readbuf); + grub_free (context); + return grub_errno; +} + +static grub_err_t +check_list (const gcry_md_spec_t *hash, const char *hashfilename, + const char *prefix, int keep, int uncompress) +{ + grub_file_t hashlist, file; + char *buf = NULL; + grub_uint8_t expected[GRUB_CRYPTO_MAX_MDLEN]; + grub_uint8_t actual[GRUB_CRYPTO_MAX_MDLEN]; + grub_err_t err; + unsigned i; + unsigned unread = 0, mismatch = 0; + + if (hash->mdlen > GRUB_CRYPTO_MAX_MDLEN) + return grub_error (GRUB_ERR_BUG, "mdlen is too long"); + + hashlist = grub_file_open (hashfilename, GRUB_FILE_TYPE_HASHLIST); + if (!hashlist) + return grub_errno; + + while (grub_free (buf), (buf = grub_file_getline (hashlist))) + { + const char *p = buf; + while (grub_isspace (p[0])) + p++; + for (i = 0; i < hash->mdlen; i++) + { + int high, low; + high = hextoval (*p++); + low = hextoval (*p++); + if (high < 0 || low < 0) + { + grub_free (buf); + return grub_error (GRUB_ERR_BAD_FILE_TYPE, "invalid hash list"); + } + expected[i] = (high << 4) | low; + } + if ((p[0] != ' ' && p[0] != '\t') || (p[1] != ' ' && p[1] != '\t')) + { + grub_free (buf); + return grub_error (GRUB_ERR_BAD_FILE_TYPE, "invalid hash list"); + } + p += 2; + if (prefix) + { + char *filename; + + filename = grub_xasprintf ("%s/%s", prefix, p); + if (!filename) + { + grub_free (buf); + return grub_errno; + } + file = grub_file_open (filename, GRUB_FILE_TYPE_TO_HASH + | (!uncompress ? GRUB_FILE_TYPE_NO_DECOMPRESS + : GRUB_FILE_TYPE_NONE)); + grub_free (filename); + } + else + file = grub_file_open (p, GRUB_FILE_TYPE_TO_HASH + | (!uncompress ? GRUB_FILE_TYPE_NO_DECOMPRESS + : GRUB_FILE_TYPE_NONE)); + if (!file) + { + grub_file_close (hashlist); + grub_free (buf); + return grub_errno; + } + err = hash_file (file, hash, actual); + grub_file_close (file); + if (err) + { + grub_printf_ (N_("%s: READ ERROR\n"), p); + if (!keep) + { + grub_file_close (hashlist); + grub_free (buf); + return err; + } + grub_print_error (); + grub_errno = GRUB_ERR_NONE; + unread++; + continue; + } + if (grub_crypto_memcmp (expected, actual, hash->mdlen) != 0) + { + grub_printf_ (N_("%s: HASH MISMATCH\n"), p); + if (!keep) + { + grub_file_close (hashlist); + grub_free (buf); + return grub_error (GRUB_ERR_TEST_FAILURE, + "hash of '%s' mismatches", p); + } + mismatch++; + continue; + } + grub_printf_ (N_("%s: OK\n"), p); + } + if (mismatch || unread) + return grub_error (GRUB_ERR_TEST_FAILURE, + "%d files couldn't be read and hash " + "of %d files mismatches", unread, mismatch); + return GRUB_ERR_NONE; +} + +static grub_err_t +grub_cmd_hashsum (struct grub_extcmd_context *ctxt, + int argc, char **args) +{ + struct grub_arg_list *state = ctxt->state; + const char *hashname = NULL; + const char *prefix = NULL; + const gcry_md_spec_t *hash; + unsigned i; + int keep = state[3].set; + int uncompress = state[4].set; + unsigned unread = 0; + + for (i = 0; i < ARRAY_SIZE (aliases); i++) + if (grub_strcmp (ctxt->extcmd->cmd->name, aliases[i].name) == 0) + hashname = aliases[i].hashname; + if (state[0].set) + hashname = state[0].arg; + + if (!hashname) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "no hash specified"); + + hash = grub_crypto_lookup_md_by_name (hashname); + if (!hash) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "unknown hash"); + + if (hash->mdlen > GRUB_CRYPTO_MAX_MDLEN) + return grub_error (GRUB_ERR_BUG, "mdlen is too long"); + + if (state[2].set) + prefix = state[2].arg; + + if (state[1].set) + { + if (argc != 0) + return grub_error (GRUB_ERR_BAD_ARGUMENT, + "--check is incompatible with file list"); + return check_list (hash, state[1].arg, prefix, keep, uncompress); + } + + for (i = 0; i < (unsigned) argc; i++) + { + GRUB_PROPERLY_ALIGNED_ARRAY (result, GRUB_CRYPTO_MAX_MDLEN); + grub_file_t file; + grub_err_t err; + unsigned j; + file = grub_file_open (args[i], GRUB_FILE_TYPE_TO_HASH + | (!uncompress ? GRUB_FILE_TYPE_NO_DECOMPRESS + : GRUB_FILE_TYPE_NONE)); + if (!file) + { + if (!keep) + return grub_errno; + grub_print_error (); + grub_errno = GRUB_ERR_NONE; + unread++; + continue; + } + err = hash_file (file, hash, result); + grub_file_close (file); + if (err) + { + if (!keep) + return err; + grub_print_error (); + grub_errno = GRUB_ERR_NONE; + unread++; + continue; + } + for (j = 0; j < hash->mdlen; j++) + grub_printf ("%02x", ((grub_uint8_t *) result)[j]); + grub_printf (" %s\n", args[i]); + } + + if (unread) + return grub_error (GRUB_ERR_TEST_FAILURE, "%d files couldn't be read", + unread); + return GRUB_ERR_NONE; +} + +static grub_extcmd_t cmd, cmd_md5, cmd_sha1, cmd_sha256, cmd_sha512, cmd_crc; + +GRUB_MOD_INIT(hashsum) +{ + cmd = grub_register_extcmd ("hashsum", grub_cmd_hashsum, 0, + N_("-h HASH [-c FILE [-p PREFIX]] " + "[FILE1 [FILE2 ...]]"), + /* TRANSLATORS: "hash checksum" is just to + be a bit more precise, you can treat it as + just "hash". */ + N_("Compute or check hash checksum."), + options); + cmd_md5 = grub_register_extcmd ("md5sum", grub_cmd_hashsum, 0, + N_("[-c FILE [-p PREFIX]] " + "[FILE1 [FILE2 ...]]"), + N_("Compute or check hash checksum."), + options); + cmd_sha1 = grub_register_extcmd ("sha1sum", grub_cmd_hashsum, 0, + N_("[-c FILE [-p PREFIX]] " + "[FILE1 [FILE2 ...]]"), + N_("Compute or check hash checksum."), + options); + cmd_sha256 = grub_register_extcmd ("sha256sum", grub_cmd_hashsum, 0, + N_("[-c FILE [-p PREFIX]] " + "[FILE1 [FILE2 ...]]"), + N_("Compute or check hash checksum."), + options); + cmd_sha512 = grub_register_extcmd ("sha512sum", grub_cmd_hashsum, 0, + N_("[-c FILE [-p PREFIX]] " + "[FILE1 [FILE2 ...]]"), + N_("Compute or check hash checksum."), + options); + + cmd_crc = grub_register_extcmd ("crc", grub_cmd_hashsum, 0, + N_("[-c FILE [-p PREFIX]] " + "[FILE1 [FILE2 ...]]"), + N_("Compute or check hash checksum."), + options); +} + +GRUB_MOD_FINI(hashsum) +{ + grub_unregister_extcmd (cmd); + grub_unregister_extcmd (cmd_md5); + grub_unregister_extcmd (cmd_sha1); + grub_unregister_extcmd (cmd_sha256); + grub_unregister_extcmd (cmd_sha512); + grub_unregister_extcmd (cmd_crc); +} diff --git a/grub-core/commands/hdparm.c b/grub-core/commands/hdparm.c new file mode 100644 index 0000000..2e2319e --- /dev/null +++ b/grub-core/commands/hdparm.c @@ -0,0 +1,447 @@ +/* hdparm.c - command to get/set ATA disk parameters. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/ata.h> +#include <grub/scsi.h> +#include <grub/disk.h> +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/lib/hexdump.h> +#include <grub/extcmd.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static const struct grub_arg_option options[] = { + {"apm", 'B', 0, N_("Set Advanced Power Management\n" + "(1=low, ..., 254=high, 255=off)."), + 0, ARG_TYPE_INT}, + {"power", 'C', 0, N_("Display power mode."), 0, ARG_TYPE_NONE}, + {"security-freeze", 'F', 0, N_("Freeze ATA security settings until reset."), + 0, ARG_TYPE_NONE}, + {"health", 'H', 0, N_("Display SMART health status."), 0, ARG_TYPE_NONE}, + {"aam", 'M', 0, N_("Set Automatic Acoustic Management\n" + "(0=off, 128=quiet, ..., 254=fast)."), + 0, ARG_TYPE_INT}, + {"standby-timeout", 'S', 0, N_("Set standby timeout\n" + "(0=off, 1=5s, 2=10s, ..., 240=20m, 241=30m, ...)."), + 0, ARG_TYPE_INT}, + {"standby", 'y', 0, N_("Set drive to standby mode."), 0, ARG_TYPE_NONE}, + {"sleep", 'Y', 0, N_("Set drive to sleep mode."), 0, ARG_TYPE_NONE}, + {"identify", 'i', 0, N_("Print drive identity and settings."), + 0, ARG_TYPE_NONE}, + {"dumpid", 'I', 0, N_("Show raw contents of ATA IDENTIFY sector."), + 0, ARG_TYPE_NONE}, + {"smart", -1, 0, N_("Disable/enable SMART (0/1)."), 0, ARG_TYPE_INT}, + {"quiet", 'q', 0, N_("Do not print messages."), 0, ARG_TYPE_NONE}, + {0, 0, 0, 0, 0, 0} +}; + +enum grub_ata_smart_commands + { + GRUB_ATA_FEAT_SMART_ENABLE = 0xd8, + GRUB_ATA_FEAT_SMART_DISABLE = 0xd9, + GRUB_ATA_FEAT_SMART_STATUS = 0xda, + }; + +static int quiet = 0; + +static grub_err_t +grub_hdparm_do_ata_cmd (grub_ata_t ata, grub_uint8_t cmd, + grub_uint8_t features, grub_uint8_t sectors, + void * buffer, int size) +{ + struct grub_disk_ata_pass_through_parms apt; + grub_memset (&apt, 0, sizeof (apt)); + + apt.taskfile.cmd = cmd; + apt.taskfile.features = features; + apt.taskfile.sectors = sectors; + apt.taskfile.disk = 0xE0; + + apt.buffer = buffer; + apt.size = size; + + if (ata->dev->readwrite (ata, &apt, 0)) + return grub_errno; + + return GRUB_ERR_NONE; +} + +static int +grub_hdparm_do_check_powermode_cmd (grub_ata_t ata) +{ + struct grub_disk_ata_pass_through_parms apt; + grub_memset (&apt, 0, sizeof (apt)); + + apt.taskfile.cmd = GRUB_ATA_CMD_CHECK_POWER_MODE; + apt.taskfile.disk = 0xE0; + + if (ata->dev->readwrite (ata, &apt, 0)) + return -1; + + return apt.taskfile.sectors; +} + +static int +grub_hdparm_do_smart_cmd (grub_ata_t ata, grub_uint8_t features) +{ + struct grub_disk_ata_pass_through_parms apt; + grub_memset (&apt, 0, sizeof (apt)); + + apt.taskfile.cmd = GRUB_ATA_CMD_SMART; + apt.taskfile.features = features; + apt.taskfile.lba_mid = 0x4f; + apt.taskfile.lba_high = 0xc2; + apt.taskfile.disk = 0xE0; + + if (ata->dev->readwrite (ata, &apt, 0)) + return -1; + + if (features == GRUB_ATA_FEAT_SMART_STATUS) + { + if ( apt.taskfile.lba_mid == 0x4f + && apt.taskfile.lba_high == 0xc2) + return 0; /* Good SMART status. */ + else if ( apt.taskfile.lba_mid == 0xf4 + && apt.taskfile.lba_high == 0x2c) + return 1; /* Bad SMART status. */ + else + return -1; + } + return 0; +} + +static grub_err_t +grub_hdparm_simple_cmd (const char * msg, + grub_ata_t ata, grub_uint8_t cmd) +{ + if (! quiet && msg) + grub_printf ("%s", msg); + + grub_err_t err = grub_hdparm_do_ata_cmd (ata, cmd, 0, 0, NULL, 0); + + if (! quiet && msg) + grub_printf ("%s\n", ! err ? "" : ": not supported"); + return err; +} + +static grub_err_t +grub_hdparm_set_val_cmd (const char * msg, int val, + grub_ata_t ata, grub_uint8_t cmd, + grub_uint8_t features, grub_uint8_t sectors) +{ + if (! quiet && msg && *msg) + { + if (val >= 0) + grub_printf ("Set %s to %d", msg, val); + else + grub_printf ("Disable %s", msg); + } + + grub_err_t err = grub_hdparm_do_ata_cmd (ata, cmd, features, sectors, + NULL, 0); + + if (! quiet && msg) + grub_printf ("%s\n", ! err ? "" : ": not supported"); + return err; +} + +static const char * +le16_to_char (grub_uint16_t *dest, const grub_uint16_t * src16, unsigned bytes) +{ + unsigned i; + for (i = 0; i < bytes / 2; i++) + dest[i] = grub_swap_bytes16 (src16[i]); + dest[i] = 0; + return (char *) dest; +} + +static void +grub_hdparm_print_identify (const grub_uint16_t * idw) +{ + /* Print identity strings. */ + grub_uint16_t tmp[21]; + grub_printf ("Model: \"%.40s\"\n", le16_to_char (tmp, &idw[27], 40)); + grub_printf ("Firmware: \"%.8s\"\n", le16_to_char (tmp, &idw[23], 8)); + grub_printf ("Serial: \"%.20s\"\n", le16_to_char (tmp, &idw[10], 20)); + + /* Print AAM, APM and SMART settings. */ + grub_uint16_t features1 = grub_le_to_cpu16 (idw[82]); + grub_uint16_t features2 = grub_le_to_cpu16 (idw[83]); + grub_uint16_t enabled1 = grub_le_to_cpu16 (idw[85]); + grub_uint16_t enabled2 = grub_le_to_cpu16 (idw[86]); + + grub_printf ("Automatic Acoustic Management: "); + if (features2 & 0x0200) + { + if (enabled2 & 0x0200) + { + grub_uint16_t aam = grub_le_to_cpu16 (idw[94]); + grub_printf ("%u (128=quiet, ..., 254=fast, recommended=%u)\n", + aam & 0xff, (aam >> 8) & 0xff); + } + else + grub_printf ("disabled\n"); + } + else + grub_printf ("not supported\n"); + + grub_printf ("Advanced Power Management: "); + if (features2 & 0x0008) + { + if (enabled2 & 0x0008) + grub_printf ("%u (1=low, ..., 254=high)\n", + grub_le_to_cpu16 (idw[91]) & 0xff); + else + grub_printf ("disabled\n"); + } + else + grub_printf ("not supported\n"); + + grub_printf ("SMART Feature Set: "); + if (features1 & 0x0001) + grub_printf ("%sabled\n", (enabled1 & 0x0001 ? "en" : "dis")); + else + grub_printf ("not supported\n"); + + /* Print security settings. */ + grub_uint16_t security = grub_le_to_cpu16 (idw[128]); + + grub_printf ("ATA Security: "); + if (security & 0x0001) + grub_printf ("%s, %s, %s, %s\n", + (security & 0x0002 ? "ENABLED" : "disabled"), + (security & 0x0004 ? "**LOCKED**" : "not locked"), + (security & 0x0008 ? "frozen" : "NOT FROZEN"), + (security & 0x0010 ? "COUNT EXPIRED" : "count not expired")); + else + grub_printf ("not supported\n"); +} + +static void +grub_hdparm_print_standby_tout (int timeout) +{ + if (timeout == 0) + grub_printf ("off"); + else if (timeout <= 252 || timeout == 255) + { + int h = 0, m = 0 , s = 0; + if (timeout == 255) + { + m = 21; + s = 15; + } + else if (timeout == 252) + m = 21; + else if (timeout <= 240) + { + s = timeout * 5; + m = s / 60; + s %= 60; + } + else + { + m = (timeout - 240) * 30; + h = m / 60; + m %= 60; + } + grub_printf ("%02d:%02d:%02d", h, m, s); + } + else + grub_printf ("invalid or vendor-specific"); +} + +static int get_int_arg (const struct grub_arg_list *state) +{ + return (state->set ? (int)grub_strtoul (state->arg, 0, 0) : -1); +} + +static grub_err_t +grub_cmd_hdparm (grub_extcmd_context_t ctxt, int argc, char **args) +{ + struct grub_arg_list *state = ctxt->state; + struct grub_ata *ata; + const char *diskname; + + /* Check command line. */ + if (argc != 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected")); + + if (args[0][0] == '(') + { + grub_size_t len = grub_strlen (args[0]); + if (args[0][len - 1] == ')') + args[0][len - 1] = 0; + diskname = &args[0][1]; + } + else + diskname = &args[0][0]; + + int i = 0; + int apm = get_int_arg (&state[i++]); + int power = state[i++].set; + int sec_freeze = state[i++].set; + int health = state[i++].set; + int aam = get_int_arg (&state[i++]); + int standby_tout = get_int_arg (&state[i++]); + int standby_now = state[i++].set; + int sleep_now = state[i++].set; + int ident = state[i++].set; + int dumpid = state[i++].set; + int enable_smart = get_int_arg (&state[i++]); + quiet = state[i++].set; + + /* Open disk. */ + grub_disk_t disk = grub_disk_open (diskname); + if (! disk) + return grub_errno; + + switch (disk->dev->id) + { + case GRUB_DISK_DEVICE_ATA_ID: + ata = disk->data; + break; + case GRUB_DISK_DEVICE_SCSI_ID: + if (((disk->id >> GRUB_SCSI_ID_SUBSYSTEM_SHIFT) & 0xFF) + == GRUB_SCSI_SUBSYSTEM_PATA + || (((disk->id >> GRUB_SCSI_ID_SUBSYSTEM_SHIFT) & 0xFF) + == GRUB_SCSI_SUBSYSTEM_AHCI)) + { + ata = ((struct grub_scsi *) disk->data)->data; + break; + } + /* FALLTHROUGH */ + default: + grub_disk_close (disk); + return grub_error (GRUB_ERR_IO, "not an ATA device"); + } + + + /* Change settings. */ + if (aam >= 0) + grub_hdparm_set_val_cmd ("Automatic Acoustic Management", (aam ? aam : -1), + ata, GRUB_ATA_CMD_SET_FEATURES, + (aam ? 0x42 : 0xc2), aam); + + if (apm >= 0) + grub_hdparm_set_val_cmd ("Advanced Power Management", + (apm != 255 ? apm : -1), ata, + GRUB_ATA_CMD_SET_FEATURES, + (apm != 255 ? 0x05 : 0x85), + (apm != 255 ? apm : 0)); + + if (standby_tout >= 0) + { + if (! quiet) + { + grub_printf ("Set standby timeout to %d (", standby_tout); + grub_hdparm_print_standby_tout (standby_tout); + grub_printf (")"); + } + /* The IDLE cmd sets disk to idle mode and configures standby timer. */ + grub_hdparm_set_val_cmd ("", -1, ata, GRUB_ATA_CMD_IDLE, 0, standby_tout); + } + + if (enable_smart >= 0) + { + if (! quiet) + grub_printf ("%sable SMART operations", (enable_smart ? "En" : "Dis")); + int err = grub_hdparm_do_smart_cmd (ata, (enable_smart ? + GRUB_ATA_FEAT_SMART_ENABLE : GRUB_ATA_FEAT_SMART_DISABLE)); + if (! quiet) + grub_printf ("%s\n", err ? ": not supported" : ""); + } + + if (sec_freeze) + grub_hdparm_simple_cmd ("Freeze security settings", ata, + GRUB_ATA_CMD_SECURITY_FREEZE_LOCK); + + /* Print/dump IDENTIFY. */ + if (ident || dumpid) + { + grub_uint16_t buf[GRUB_DISK_SECTOR_SIZE / 2]; + if (grub_hdparm_do_ata_cmd (ata, GRUB_ATA_CMD_IDENTIFY_DEVICE, + 0, 0, buf, sizeof (buf))) + grub_printf ("Cannot read ATA IDENTIFY data\n"); + else + { + if (ident) + grub_hdparm_print_identify (buf); + if (dumpid) + hexdump (0, (char *) buf, sizeof (buf)); + } + } + + /* Check power mode. */ + if (power) + { + grub_printf ("Disk power mode is: "); + int mode = grub_hdparm_do_check_powermode_cmd (ata); + if (mode < 0) + grub_printf ("unknown\n"); + else + grub_printf ("%s (0x%02x)\n", + (mode == 0xff ? "active/idle" : + mode == 0x80 ? "idle" : + mode == 0x00 ? "standby" : "unknown"), mode); + } + + /* Check health. */ + int status = 0; + if (health) + { + if (! quiet) + grub_printf ("SMART status is: "); + int err = grub_hdparm_do_smart_cmd (ata, GRUB_ATA_FEAT_SMART_STATUS); + if (! quiet) + grub_printf ("%s\n", (err < 0 ? "unknown" : + err == 0 ? "OK" : "*BAD*")); + status = (err > 0); + } + + /* Change power mode. */ + if (standby_now) + grub_hdparm_simple_cmd ("Set disk to standby mode", ata, + GRUB_ATA_CMD_STANDBY_IMMEDIATE); + + if (sleep_now) + grub_hdparm_simple_cmd ("Set disk to sleep mode", ata, + GRUB_ATA_CMD_SLEEP); + + grub_disk_close (disk); + + grub_errno = GRUB_ERR_NONE; + return status; +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT(hdparm) +{ + cmd = grub_register_extcmd_lockdown ("hdparm", grub_cmd_hdparm, 0, + N_("[OPTIONS] DISK"), + N_("Get/set ATA disk parameters."), options); +} + +GRUB_MOD_FINI(hdparm) +{ + grub_unregister_extcmd (cmd); +} diff --git a/grub-core/commands/help.c b/grub-core/commands/help.c new file mode 100644 index 0000000..f0be89b --- /dev/null +++ b/grub-core/commands/help.c @@ -0,0 +1,153 @@ +/* help.c - command to show a help text. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2005,2007,2008,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/term.h> +#include <grub/extcmd.h> +#include <grub/i18n.h> +#include <grub/mm.h> +#include <grub/normal.h> +#include <grub/charset.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_err_t +grub_cmd_help (grub_extcmd_context_t ctxt __attribute__ ((unused)), int argc, + char **args) +{ + int cnt = 0; + char *currarg; + + if (argc == 0) + { + grub_command_t cmd; + FOR_COMMANDS(cmd) + { + if ((cmd->prio & GRUB_COMMAND_FLAG_ACTIVE)) + { + struct grub_term_output *term; + const char *summary_translated = _(cmd->summary); + char *command_help; + grub_uint32_t *unicode_command_help; + grub_uint32_t *unicode_last_position; + + command_help = grub_xasprintf ("%s %s", cmd->name, summary_translated); + if (!command_help) + break; + + grub_utf8_to_ucs4_alloc (command_help, &unicode_command_help, + &unicode_last_position); + + FOR_ACTIVE_TERM_OUTPUTS(term) + { + unsigned stringwidth; + grub_uint32_t *unicode_last_screen_position; + + unicode_last_screen_position = unicode_command_help; + + stringwidth = 0; + + while (unicode_last_screen_position < unicode_last_position && + stringwidth < ((grub_term_width (term) / 2) - 2)) + { + struct grub_unicode_glyph glyph; + unicode_last_screen_position + += grub_unicode_aglomerate_comb (unicode_last_screen_position, + unicode_last_position + - unicode_last_screen_position, + &glyph); + + stringwidth + += grub_term_getcharwidth (term, &glyph); + } + + grub_print_ucs4 (unicode_command_help, + unicode_last_screen_position, 0, 0, term); + if (!(cnt % 2)) + grub_print_spaces (term, grub_term_width (term) / 2 + - stringwidth); + } + + if (cnt % 2) + grub_printf ("\n"); + cnt++; + + grub_free (command_help); + grub_free (unicode_command_help); + } + } + if (!(cnt % 2)) + grub_printf ("\n"); + } + else + { + int i; + grub_command_t cmd_iter, cmd, cmd_next; + + for (i = 0; i < argc; i++) + { + currarg = args[i]; + + FOR_COMMANDS_SAFE (cmd_iter, cmd_next) + { + if (!(cmd_iter->prio & GRUB_COMMAND_FLAG_ACTIVE)) + continue; + + if (grub_strncmp (cmd_iter->name, currarg, + grub_strlen (currarg)) != 0) + continue; + if (cmd_iter->flags & GRUB_COMMAND_FLAG_DYNCMD) + cmd = grub_dyncmd_get_cmd (cmd_iter); + else + cmd = cmd_iter; + if (!cmd) + { + grub_print_error (); + continue; + } + if (cnt++ > 0) + grub_printf ("\n\n"); + + if ((cmd->flags & GRUB_COMMAND_FLAG_EXTCMD) && + ! (cmd->flags & GRUB_COMMAND_FLAG_DYNCMD)) + grub_arg_show_help ((grub_extcmd_t) cmd->data); + else + grub_printf ("%s %s %s\n%s\n", _("Usage:"), cmd->name, + _(cmd->summary), _(cmd->description)); + } + } + } + + return 0; +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT(help) +{ + cmd = grub_register_extcmd ("help", grub_cmd_help, 0, + N_("[PATTERN ...]"), + N_("Show a help message."), 0); +} + +GRUB_MOD_FINI(help) +{ + grub_unregister_extcmd (cmd); +} diff --git a/grub-core/commands/hexdump.c b/grub-core/commands/hexdump.c new file mode 100644 index 0000000..eaa1246 --- /dev/null +++ b/grub-core/commands/hexdump.c @@ -0,0 +1,133 @@ +/* hexdump.c - command to dump the contents of a file or memory */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2007,2008,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/file.h> +#include <grub/disk.h> +#include <grub/misc.h> +#include <grub/lib/hexdump.h> +#include <grub/extcmd.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static const struct grub_arg_option options[] = { + {"skip", 's', 0, N_("Skip offset bytes from the beginning of file."), 0, + ARG_TYPE_INT}, + {"length", 'n', 0, N_("Read only LENGTH bytes."), 0, ARG_TYPE_INT}, + {0, 0, 0, 0, 0, 0} +}; + +static grub_err_t +grub_cmd_hexdump (grub_extcmd_context_t ctxt, int argc, char **args) +{ + struct grub_arg_list *state = ctxt->state; + char buf[GRUB_DISK_SECTOR_SIZE * 4]; + grub_ssize_t size, length; + grub_disk_addr_t skip; + int namelen; + + if (argc != 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected")); + + namelen = grub_strlen (args[0]); + skip = (state[0].set) ? grub_strtoull (state[0].arg, 0, 0) : 0; + length = (state[1].set) ? grub_strtoul (state[1].arg, 0, 0) : 256; + + if (!grub_strcmp (args[0], "(mem)")) + hexdump (skip, (char *) (grub_addr_t) skip, length); + else if ((args[0][0] == '(') && (args[0][namelen - 1] == ')')) + { + grub_disk_t disk; + grub_disk_addr_t sector; + grub_size_t ofs; + + args[0][namelen - 1] = 0; + disk = grub_disk_open (&args[0][1]); + if (! disk) + return 0; + + sector = (skip >> (GRUB_DISK_SECTOR_BITS + 2)) * 4; + ofs = skip & (GRUB_DISK_SECTOR_SIZE * 4 - 1); + while (length) + { + grub_size_t len; + + len = length; + if (len > sizeof (buf)) + len = sizeof (buf); + + if (grub_disk_read (disk, sector, ofs, len, buf)) + break; + + hexdump (skip, buf, len); + + ofs = 0; + skip += len; + length -= len; + sector += 4; + } + + grub_disk_close (disk); + } + else + { + grub_file_t file; + + file = grub_file_open (args[0], GRUB_FILE_TYPE_HEXCAT); + if (! file) + return 0; + + file->offset = skip; + + while ((size = grub_file_read (file, buf, sizeof (buf))) > 0) + { + unsigned long len; + + len = ((length) && (size > length)) ? length : size; + hexdump (skip, buf, len); + skip += len; + if (length) + { + length -= len; + if (!length) + break; + } + } + + grub_file_close (file); + } + + return 0; +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT (hexdump) +{ + cmd = grub_register_extcmd ("hexdump", grub_cmd_hexdump, 0, + N_("[OPTIONS] FILE_OR_DEVICE"), + N_("Show raw contents of a file or memory."), + options); +} + +GRUB_MOD_FINI (hexdump) +{ + grub_unregister_extcmd (cmd); +} diff --git a/grub-core/commands/i386/cmosdump.c b/grub-core/commands/i386/cmosdump.c new file mode 100644 index 0000000..626485c --- /dev/null +++ b/grub-core/commands/i386/cmosdump.c @@ -0,0 +1,64 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009,2013 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/command.h> +#include <grub/misc.h> +#include <grub/cmos.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_err_t +grub_cmd_cmosdump (struct grub_command *cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), char *argv[] __attribute__ ((unused))) +{ + int i; + + for (i = 0; i < 256; i++) + { + grub_err_t err; + grub_uint8_t value; + if ((i & 0xf) == 0) + grub_printf ("%02x: ", i); + + err = grub_cmos_read (i, &value); + if (err) + return err; + + grub_printf ("%02x ", value); + if ((i & 0xf) == 0xf) + grub_printf ("\n"); + } + return GRUB_ERR_NONE; +} + +static grub_command_t cmd; + + +GRUB_MOD_INIT(cmosdump) +{ + cmd = grub_register_command ("cmosdump", grub_cmd_cmosdump, + 0, + N_("Show raw dump of the CMOS contents.")); +} + +GRUB_MOD_FINI(cmosdump) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/i386/cmostest.c b/grub-core/commands/i386/cmostest.c new file mode 100644 index 0000000..9f6b56a --- /dev/null +++ b/grub-core/commands/i386/cmostest.c @@ -0,0 +1,124 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/command.h> +#include <grub/misc.h> +#include <grub/cmos.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_err_t +parse_args (int argc, char *argv[], int *byte, int *bit) +{ + const char *rest; + + if (argc != 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "address required"); + + *byte = grub_strtoul (argv[0], &rest, 0); + if (*rest != ':') + return grub_error (GRUB_ERR_BAD_ARGUMENT, "address required"); + + *bit = grub_strtoul (rest + 1, 0, 0); + + return GRUB_ERR_NONE; +} + +static grub_err_t +grub_cmd_cmostest (struct grub_command *cmd __attribute__ ((unused)), + int argc, char *argv[]) +{ + int byte = 0, bit = 0; + grub_err_t err; + grub_uint8_t value; + + err = parse_args (argc, argv, &byte, &bit); + if (err) + return err; + + err = grub_cmos_read (byte, &value); + if (err) + return err; + + if (value & (1 << bit)) + return GRUB_ERR_NONE; + + return grub_error (GRUB_ERR_TEST_FAILURE, N_("false")); +} + +static grub_err_t +grub_cmd_cmosclean (struct grub_command *cmd __attribute__ ((unused)), + int argc, char *argv[]) +{ + int byte = 0, bit = 0; + grub_err_t err; + grub_uint8_t value; + + err = parse_args (argc, argv, &byte, &bit); + if (err) + return err; + err = grub_cmos_read (byte, &value); + if (err) + return err; + + return grub_cmos_write (byte, value & (~(1 << bit))); +} + +static grub_err_t +grub_cmd_cmosset (struct grub_command *cmd __attribute__ ((unused)), + int argc, char *argv[]) +{ + int byte = 0, bit = 0; + grub_err_t err; + grub_uint8_t value; + + err = parse_args (argc, argv, &byte, &bit); + if (err) + return err; + err = grub_cmos_read (byte, &value); + if (err) + return err; + + return grub_cmos_write (byte, value | (1 << bit)); +} + +static grub_command_t cmd, cmd_clean, cmd_set; + + +GRUB_MOD_INIT(cmostest) +{ + cmd = grub_register_command ("cmostest", grub_cmd_cmostest, + N_("BYTE:BIT"), + N_("Test bit at BYTE:BIT in CMOS.")); + cmd_clean = grub_register_command ("cmosclean", grub_cmd_cmosclean, + N_("BYTE:BIT"), + N_("Clear bit at BYTE:BIT in CMOS.")); + cmd_set = grub_register_command ("cmosset", grub_cmd_cmosset, + N_("BYTE:BIT"), + /* TRANSLATORS: A bit may be either set (1) or clear (0). */ + N_("Set bit at BYTE:BIT in CMOS.")); +} + +GRUB_MOD_FINI(cmostest) +{ + grub_unregister_command (cmd); + grub_unregister_command (cmd_clean); + grub_unregister_command (cmd_set); +} diff --git a/grub-core/commands/i386/coreboot/cb_timestamps.c b/grub-core/commands/i386/coreboot/cb_timestamps.c new file mode 100644 index 0000000..e97ea6b --- /dev/null +++ b/grub-core/commands/i386/coreboot/cb_timestamps.c @@ -0,0 +1,126 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2013 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/command.h> +#include <grub/i18n.h> +#include <grub/coreboot/lbio.h> +#include <grub/i386/tsc.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_uint32_t +tsc2ms (grub_uint64_t tsc) +{ + grub_uint64_t ah = tsc >> 32; + grub_uint64_t al = tsc & 0xffffffff; + + return ((al * grub_tsc_rate) >> 32) + ah * grub_tsc_rate; +} + +static const char *descs[] = { + [1] = "romstage", + [2] = "before RAM init", + [3] = "after RAM init", + [4] = "end of romstage", + [5] = "start of verified boot", + [6] = "end of verified boot", + [8] = "start of RAM copy", + [9] = "end of RAM copy", + [10] = "start of ramstage", + [11] = "start of bootblock", + [12] = "end of bootblock", + [13] = "starting to load romstage", + [14] = "finished loading romstage", + [15] = "starting LZMA decompress (ignore for x86)", + [16] = "finished LZMA decompress (ignore for x86)", + [30] = "device enumerate", + [40] = "device configure", + [50] = "device enable", + [60] = "device initialize", + [70] = "device done", + [75] = "CBMEM POST", + [80] = "writing tables", + [90] = "loading payload", + [98] = "wake jump", + [99] = "selfboot jump", +}; + +static int +iterate_linuxbios_table (grub_linuxbios_table_item_t table_item, + void *data) +{ + int *available = data; + grub_uint64_t last_tsc = 0; + struct grub_linuxbios_timestamp_table *ts_table; + unsigned i; + + if (table_item->tag != GRUB_LINUXBIOS_MEMBER_TIMESTAMPS) + return 0; + + *available = 1; + ts_table = (struct grub_linuxbios_timestamp_table *) (grub_addr_t) + *(grub_uint64_t *) (table_item + 1); + + for (i = 0; i < ts_table->used; i++) + { + grub_uint32_t tmabs = tsc2ms (ts_table->entries[i].tsc); + grub_uint32_t tmrel = tsc2ms (ts_table->entries[i].tsc - last_tsc); + last_tsc = ts_table->entries[i].tsc; + + grub_printf ("%3d.%03ds %2d.%03ds %02d %s\n", + tmabs / 1000, tmabs % 1000, tmrel / 1000, tmrel % 1000, + ts_table->entries[i].id, + (ts_table->entries[i].id < ARRAY_SIZE (descs) + && descs[ts_table->entries[i].id]) + ? descs[ts_table->entries[i].id] : ""); + } + return 1; +} + + +static grub_err_t +grub_cmd_coreboot_boottime (struct grub_command *cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char *argv[] __attribute__ ((unused))) +{ + int available = 0; + + grub_linuxbios_table_iterate (iterate_linuxbios_table, &available); + if (!available) + { + grub_puts_ (N_("No boot time statistics is available\n")); + return 0; + } + return 0; +} + +static grub_command_t cmd_boottime; + +GRUB_MOD_INIT(cbtime) +{ + cmd_boottime = + grub_register_command ("coreboot_boottime", grub_cmd_coreboot_boottime, + 0, N_("Show coreboot boot time statistics.")); +} + +GRUB_MOD_FINI(cbtime) +{ + grub_unregister_command (cmd_boottime); +} diff --git a/grub-core/commands/i386/coreboot/cbls.c b/grub-core/commands/i386/coreboot/cbls.c new file mode 100644 index 0000000..102291f --- /dev/null +++ b/grub-core/commands/i386/coreboot/cbls.c @@ -0,0 +1,143 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2013 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/command.h> +#include <grub/i18n.h> +#include <grub/coreboot/lbio.h> +#include <grub/i386/tsc.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static const char *console_descs[] = { + "8250 UART", + "VGA", + "BTEXT", + "log buffer console", + "SROM", + "EHCI debug", + "memory-mapped 8250 UART" +}; + +static const char *descs[] = { + [GRUB_LINUXBIOS_MEMBER_MEMORY] = "memory map (`lsmmap' to list)", + [GRUB_LINUXBIOS_MEMBER_MAINBOARD] = "mainboard", + [4] = "version", + [5] = "extra version", + [6] = "build", + [7] = "compile time", + [8] = "compile by", + [9] = "compile host", + [0xa] = "compile domain", + [0xb] = "compiler", + [0xc] = "linker", + [0xd] = "assembler", + [0xf] = "serial", + [GRUB_LINUXBIOS_MEMBER_CONSOLE] = "console", + [GRUB_LINUXBIOS_MEMBER_FRAMEBUFFER] = "framebuffer", + [0x13] = "GPIO", + [0x15] = "VDAT", + [GRUB_LINUXBIOS_MEMBER_TIMESTAMPS] = "timestamps (`coreboot_boottime' to list)", + [GRUB_LINUXBIOS_MEMBER_CBMEMC] = "CBMEM console (`cbmemc' to list)", + [0x18] = "MRC cache", + [0x19] = "VBNV", + [0xc8] = "CMOS option table", + [0xc9] = "CMOS option", + [0xca] = "CMOS option enum", + [0xcb] = "CMOS option defaults", + [0xcc] = "CMOS checksum", +}; + +static int +iterate_linuxbios_table (grub_linuxbios_table_item_t table_item, + void *data __attribute__ ((unused))) +{ + if (table_item->tag < ARRAY_SIZE (descs) && descs[table_item->tag]) + grub_printf ("tag=%02x size=%02x %s", + table_item->tag, table_item->size, descs[table_item->tag]); + else + grub_printf ("tag=%02x size=%02x", + table_item->tag, table_item->size); + + switch (table_item->tag) + { + case GRUB_LINUXBIOS_MEMBER_FRAMEBUFFER: + { + struct grub_linuxbios_table_framebuffer *fb; + fb = (struct grub_linuxbios_table_framebuffer *) (table_item + 1); + + grub_printf (": %dx%dx%d pitch=%d lfb=0x%llx %d/%d/%d/%d %d/%d/%d/%d", + fb->width, fb->height, + fb->bpp, fb->pitch, + (unsigned long long) fb->lfb, + fb->red_mask_size, fb->green_mask_size, + fb->blue_mask_size, fb->reserved_mask_size, + fb->red_field_pos, fb->green_field_pos, + fb->blue_field_pos, fb->reserved_field_pos); + break; + } + case GRUB_LINUXBIOS_MEMBER_MAINBOARD: + { + struct grub_linuxbios_mainboard *mb; + mb = (struct grub_linuxbios_mainboard *) (table_item + 1); + grub_printf (": vendor=`%s' part_number=`%s'", + mb->strings + mb->vendor, + mb->strings + mb->part_number); + break; + } + case 0x04 ... 0x0d: + grub_printf (": `%s'", (char *) (table_item + 1)); + break; + case GRUB_LINUXBIOS_MEMBER_CONSOLE: + { + grub_uint16_t *val = (grub_uint16_t *) (table_item + 1); + grub_printf (": id=%d", *val); + if (*val < ARRAY_SIZE (console_descs) + && console_descs[*val]) + grub_printf (" %s", console_descs[*val]); + } + } + grub_printf ("\n"); + + return 0; +} + + +static grub_err_t +grub_cmd_lscoreboot (struct grub_command *cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char *argv[] __attribute__ ((unused))) +{ + grub_linuxbios_table_iterate (iterate_linuxbios_table, 0); + return 0; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(cbls) +{ + cmd = + grub_register_command ("lscoreboot", grub_cmd_lscoreboot, + 0, N_("List coreboot tables.")); +} + +GRUB_MOD_FINI(cbls) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/i386/cpuid.c b/grub-core/commands/i386/cpuid.c new file mode 100644 index 0000000..42b9841 --- /dev/null +++ b/grub-core/commands/i386/cpuid.c @@ -0,0 +1,125 @@ +/* cpuid.c - test for CPU features */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2006, 2007, 2009 Free Software Foundation, Inc. + * Based on gcc/gcc/config/i386/driver-i386.c + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/env.h> +#include <grub/command.h> +#include <grub/extcmd.h> +#include <grub/i386/cpuid.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static const struct grub_arg_option options[] = + { + /* TRANSLATORS: "(default)" at the end means that this option is used if + no argument is specified. */ + {"long-mode", 'l', 0, N_("Check if CPU supports 64-bit (long) mode (default)."), 0, 0}, + {"pae", 'p', 0, N_("Check if CPU supports Physical Address Extension."), 0, 0}, + {0, 0, 0, 0, 0, 0} + }; + +enum + { + MODE_LM = 0, + MODE_PAE = 1 + }; + +enum + { + bit_PAE = (1 << 6), + }; +enum + { + bit_LM = (1 << 29) + }; + +unsigned char grub_cpuid_has_longmode = 0, grub_cpuid_has_pae = 0; + +static grub_err_t +grub_cmd_cpuid (grub_extcmd_context_t ctxt, + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) +{ + int val = 0; + if (ctxt->state[MODE_PAE].set) + val = grub_cpuid_has_pae; + else + val = grub_cpuid_has_longmode; + return val ? GRUB_ERR_NONE + /* TRANSLATORS: it's a standalone boolean value, + opposite of "true". */ + : grub_error (GRUB_ERR_TEST_FAILURE, N_("false")); +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT(cpuid) +{ +#ifdef __x86_64__ + /* grub-emu */ + grub_cpuid_has_longmode = 1; + grub_cpuid_has_pae = 1; +#else + unsigned int eax, ebx, ecx, edx; + unsigned int max_level; + unsigned int ext_level; + + /* See if we can use cpuid. */ + asm volatile ("pushfl; pushfl; popl %0; movl %0,%1; xorl %2,%0;" + "pushl %0; popfl; pushfl; popl %0; popfl" + : "=&r" (eax), "=&r" (ebx) + : "i" (0x00200000)); + if (((eax ^ ebx) & 0x00200000) == 0) + goto done; + + /* Check the highest input value for eax. */ + grub_cpuid (0, eax, ebx, ecx, edx); + /* We only look at the first four characters. */ + max_level = eax; + if (max_level == 0) + goto done; + + if (max_level >= 1) + { + grub_cpuid (1, eax, ebx, ecx, edx); + grub_cpuid_has_pae = !!(edx & bit_PAE); + } + + grub_cpuid (0x80000000, eax, ebx, ecx, edx); + ext_level = eax; + if (ext_level < 0x80000000) + goto done; + + grub_cpuid (0x80000001, eax, ebx, ecx, edx); + grub_cpuid_has_longmode = !!(edx & bit_LM); +done: +#endif + + cmd = grub_register_extcmd ("cpuid", grub_cmd_cpuid, 0, + "[-l]", N_("Check for CPU features."), options); +} + +GRUB_MOD_FINI(cpuid) +{ + grub_unregister_extcmd (cmd); +} diff --git a/grub-core/commands/i386/pc/drivemap.c b/grub-core/commands/i386/pc/drivemap.c new file mode 100644 index 0000000..7f7f2d4 --- /dev/null +++ b/grub-core/commands/i386/pc/drivemap.c @@ -0,0 +1,428 @@ +/* drivemap.c - command to manage the BIOS drive mappings. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008, 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/extcmd.h> +#include <grub/dl.h> +#include <grub/mm.h> +#include <grub/misc.h> +#include <grub/disk.h> +#include <grub/loader.h> +#include <grub/env.h> +#include <grub/machine/biosnum.h> +#include <grub/i18n.h> +#include <grub/memory.h> +#include <grub/machine/memory.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +/* Real mode IVT slot (seg:off far pointer) for interrupt 0x13. */ +static grub_uint32_t *const int13slot = (grub_uint32_t *) (4 * 0x13); + +/* Remember to update enum opt_idxs accordingly. */ +static const struct grub_arg_option options[] = { + /* TRANSLATORS: In this file "mapping" refers to a change GRUB makes so if + your language doesn't have an equivalent of "mapping" you can + use the word like "rerouting". + */ + {"list", 'l', 0, N_("Show the current mappings."), 0, 0}, + {"reset", 'r', 0, N_("Reset all mappings to the default values."), 0, 0}, + {"swap", 's', 0, N_("Perform both direct and reverse mappings."), 0, 0}, + {0, 0, 0, 0, 0, 0} +}; + +/* Remember to update options[] accordingly. */ +enum opt_idxs +{ + OPTIDX_LIST = 0, + OPTIDX_RESET, + OPTIDX_SWAP, +}; + +/* Realmode far ptr (2 * 16b) to the previous INT13h handler. */ +extern grub_uint32_t grub_drivemap_oldhandler; + +/* The type "void" is used for imported assembly labels, takes no storage and + serves just to take the address with &label. */ + +/* The assembly function to replace the old INT13h handler. It does not follow + any C callspecs and returns with IRET. */ +extern const void grub_drivemap_handler; + +/* Start of the drive mappings area (space reserved at runtime). */ +extern const void grub_drivemap_mapstart; + +typedef struct drivemap_node +{ + struct drivemap_node *next; + grub_uint8_t newdrive; + grub_uint8_t redirto; +} drivemap_node_t; + +typedef struct GRUB_PACKED int13map_node +{ + grub_uint8_t disknum; + grub_uint8_t mapto; +} int13map_node_t; + +#define INT13H_OFFSET(x) \ + (((grub_uint8_t *)(x)) - ((grub_uint8_t *)&grub_drivemap_handler)) + +static drivemap_node_t *map_head; +static void *drivemap_hook; +static int drivemap_mmap; + +/* Puts the specified mapping into the table, replacing an existing mapping + for newdrive or adding a new one if required. */ +static grub_err_t +drivemap_set (grub_uint8_t newdrive, grub_uint8_t redirto) +{ + drivemap_node_t *mapping = 0; + drivemap_node_t *search = map_head; + while (search) + { + if (search->newdrive == newdrive) + { + mapping = search; + break; + } + search = search->next; + } + + /* Check for pre-existing mappings to modify before creating a new one. */ + if (mapping) + mapping->redirto = redirto; + else + { + mapping = grub_malloc (sizeof (drivemap_node_t)); + if (! mapping) + return grub_errno; + mapping->newdrive = newdrive; + mapping->redirto = redirto; + mapping->next = map_head; + map_head = mapping; + } + return GRUB_ERR_NONE; +} + +/* Removes the mapping for newdrive from the table. If there is no mapping, + then this function behaves like a no-op on the map. */ +static void +drivemap_remove (grub_uint8_t newdrive) +{ + drivemap_node_t *mapping = 0; + drivemap_node_t *search = map_head; + drivemap_node_t *previous = 0; + + while (search) + { + if (search->newdrive == newdrive) + { + mapping = search; + break; + } + previous = search; + search = search->next; + } + + if (mapping) + { + if (previous) + previous->next = mapping->next; + else + map_head = mapping->next; + grub_free (mapping); + } +} + +/* Given a GRUB-like device name and a convenient location, stores the + related BIOS disk number. Accepts devices like \((f|h)dN\), with + 0 <= N < 128. */ +static grub_err_t +tryparse_diskstring (const char *str, grub_uint8_t *output) +{ + /* Skip opening paren in order to allow both (hd0) and hd0. */ + if (*str == '(') + str++; + if ((str[0] == 'f' || str[0] == 'h') && str[1] == 'd') + { + grub_uint8_t bios_num = (str[0] == 'h') ? 0x80 : 0x00; + unsigned long drivenum = grub_strtoul (str + 2, 0, 0); + if (grub_errno == GRUB_ERR_NONE && drivenum < 128) + { + bios_num |= drivenum; + if (output) + *output = bios_num; + return GRUB_ERR_NONE; + } + } + return grub_error (GRUB_ERR_BAD_ARGUMENT, "device format \"%s\" " + "invalid: must be (f|h)dN, with 0 <= N < 128", str); +} + +static grub_err_t +list_mappings (void) +{ + /* Show: list mappings. */ + if (! map_head) + { + grub_puts_ (N_("No drives have been remapped")); + return GRUB_ERR_NONE; + } + + /* TRANSLATORS: This is the header of mapping list. + On the left is how OS will see the disks and + on the right current GRUB vision. */ + grub_puts_ (N_("OS disk #num ------> GRUB/BIOS device")); + drivemap_node_t *curnode = map_head; + while (curnode) + { + grub_printf ("%cD #%-3u (0x%02x) %cd%d\n", + (curnode->newdrive & 0x80) ? 'H' : 'F', + curnode->newdrive & 0x7F, curnode->newdrive, + (curnode->redirto & 0x80) ? 'h' : 'f', + curnode->redirto & 0x7F + ); + curnode = curnode->next; + } + return GRUB_ERR_NONE; +} + +static grub_err_t +grub_cmd_drivemap (struct grub_extcmd_context *ctxt, int argc, char **args) +{ + if (ctxt->state[OPTIDX_LIST].set) + { + return list_mappings (); + } + else if (ctxt->state[OPTIDX_RESET].set) + { + /* Reset: just delete all mappings, freeing their memory. */ + drivemap_node_t *curnode = map_head; + drivemap_node_t *prevnode = 0; + while (curnode) + { + prevnode = curnode; + curnode = curnode->next; + grub_free (prevnode); + } + map_head = 0; + return GRUB_ERR_NONE; + } + else if (!ctxt->state[OPTIDX_SWAP].set && argc == 0) + { + /* No arguments */ + return list_mappings (); + } + + /* Neither flag: put mapping. */ + grub_uint8_t mapfrom = 0; + grub_uint8_t mapto = 0xFF; + grub_err_t err; + + if (argc != 2) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("two arguments expected")); + + err = tryparse_diskstring (args[0], &mapfrom); + if (err != GRUB_ERR_NONE) + return err; + + err = tryparse_diskstring (args[1], &mapto); + if (err != GRUB_ERR_NONE) + return err; + + if (mapto == mapfrom) + { + /* Reset to default. */ + grub_dprintf ("drivemap", "Removing mapping for %s (%02x)\n", + args[0], mapfrom); + drivemap_remove (mapfrom); + return GRUB_ERR_NONE; + } + /* Set the mapping for the disk (overwrites any existing mapping). */ + grub_dprintf ("drivemap", "%s %s (%02x) = %s (%02x)\n", + ctxt->state[OPTIDX_SWAP].set ? "Swapping" : "Mapping", + args[1], mapto, args[0], mapfrom); + err = drivemap_set (mapto, mapfrom); + /* If -s, perform the reverse mapping too (only if the first was OK). */ + if (ctxt->state[OPTIDX_SWAP].set && err == GRUB_ERR_NONE) + err = drivemap_set (mapfrom, mapto); + return err; +} + +/* Int13h handler installer - reserves conventional memory for the handler, + copies it over and sets the IVT entry for int13h. + This code rests on the assumption that GRUB does not activate any kind + of memory mapping apart from identity paging, since it accesses + realmode structures by their absolute addresses, like the IVT at 0; + and transforms a pmode pointer into a rmode seg:off far ptr. */ +static grub_err_t +install_int13_handler (int noret __attribute__ ((unused))) +{ + /* Size of the full int13 handler "bundle", including code and map. */ + grub_uint32_t total_size; + /* Base address of the space reserved for the handler bundle. */ + grub_uint8_t *handler_base = 0; + /* Address of the map within the deployed bundle. */ + int13map_node_t *handler_map; + + int i; + int entries = 0; + drivemap_node_t *curentry = map_head; + + /* Count entries to prepare a contiguous map block. */ + while (curentry) + { + entries++; + curentry = curentry->next; + } + if (entries == 0) + { + /* No need to install the int13h handler. */ + grub_dprintf ("drivemap", "No drives marked as remapped, not installing " + "our int13h handler.\n"); + return GRUB_ERR_NONE; + } + + grub_dprintf ("drivemap", "Installing our int13h handler\n"); + + /* Save the pointer to the old handler. */ + grub_drivemap_oldhandler = *int13slot; + grub_dprintf ("drivemap", "Original int13 handler: %04x:%04x\n", + (grub_drivemap_oldhandler >> 16) & 0x0ffff, + grub_drivemap_oldhandler & 0x0ffff); + + /* Find a rmode-segment-aligned zone in conventional memory big + enough to hold the handler and its data. */ + total_size = INT13H_OFFSET (&grub_drivemap_mapstart) + + (entries + 1) * sizeof (int13map_node_t); + grub_dprintf ("drivemap", "Payload is %u bytes long\n", total_size); + handler_base = grub_mmap_malign_and_register (16, ALIGN_UP (total_size, 16), + &drivemap_mmap, + GRUB_MEMORY_RESERVED, + GRUB_MMAP_MALLOC_LOW); + if (! handler_base) + return grub_error (GRUB_ERR_OUT_OF_MEMORY, "couldn't reserve " + "memory for the int13h handler"); + + /* Copy int13h handler bundle to reserved area. */ + grub_dprintf ("drivemap", "Reserved memory at %p, copying handler\n", + handler_base); + grub_memcpy (handler_base, &grub_drivemap_handler, + INT13H_OFFSET (&grub_drivemap_mapstart)); + + /* Copy the mappings to the reserved area. */ + curentry = map_head; + handler_map = (int13map_node_t *) (handler_base + + INT13H_OFFSET (&grub_drivemap_mapstart)); + grub_dprintf ("drivemap", "Target map at %p, copying mappings\n", handler_map); + for (i = 0; i < entries; ++i, curentry = curentry->next) + { + handler_map[i].disknum = curentry->newdrive; + handler_map[i].mapto = curentry->redirto; + grub_dprintf ("drivemap", "\t#%d: 0x%02x <- 0x%02x\n", i, + handler_map[i].disknum, handler_map[i].mapto); + } + /* Signal end-of-map. */ + handler_map[i].disknum = 0; + handler_map[i].mapto = 0; + grub_dprintf ("drivemap", "\t#%d: 0x00 <- 0x00 (end)\n", i); + + /* Install our function as the int13h handler in the IVT. */ + *int13slot = ((grub_uint32_t) handler_base) << 12; /* Segment address. */ + grub_dprintf ("drivemap", "New int13 handler: %04x:%04x\n", + (*int13slot >> 16) & 0x0ffff, *int13slot & 0x0ffff); + + return GRUB_ERR_NONE; +} + +static grub_err_t +uninstall_int13_handler (void) +{ + if (! grub_drivemap_oldhandler) + return GRUB_ERR_NONE; + + *int13slot = grub_drivemap_oldhandler; + grub_mmap_free_and_unregister (drivemap_mmap); + grub_drivemap_oldhandler = 0; + grub_dprintf ("drivemap", "Restored int13 handler: %04x:%04x\n", + (*int13slot >> 16) & 0x0ffff, *int13slot & 0x0ffff); + + return GRUB_ERR_NONE; +} + +static int +grub_get_root_biosnumber_drivemap (void) +{ + const char *biosnum; + int ret = -1; + grub_device_t dev; + + biosnum = grub_env_get ("biosnum"); + + if (biosnum) + return grub_strtoul (biosnum, 0, 0); + + dev = grub_device_open (0); + if (dev && dev->disk && dev->disk->dev + && dev->disk->dev->id == GRUB_DISK_DEVICE_BIOSDISK_ID) + { + drivemap_node_t *curnode = map_head; + ret = (int) dev->disk->id; + while (curnode) + { + if (curnode->redirto == ret) + { + ret = curnode->newdrive; + break; + } + curnode = curnode->next; + } + + } + + if (dev) + grub_device_close (dev); + + return ret; +} + +static grub_extcmd_t cmd; +static int (*grub_get_root_biosnumber_saved) (void); + +GRUB_MOD_INIT (drivemap) +{ + grub_get_root_biosnumber_saved = grub_get_root_biosnumber; + grub_get_root_biosnumber = grub_get_root_biosnumber_drivemap; + cmd = grub_register_extcmd ("drivemap", grub_cmd_drivemap, 0, + N_("-l | -r | [-s] grubdev osdisk."), + N_("Manage the BIOS drive mappings."), + options); + drivemap_hook = + grub_loader_register_preboot_hook (&install_int13_handler, + &uninstall_int13_handler, + GRUB_LOADER_PREBOOT_HOOK_PRIO_NORMAL); +} + +GRUB_MOD_FINI (drivemap) +{ + grub_get_root_biosnumber = grub_get_root_biosnumber_saved; + grub_loader_unregister_preboot_hook (drivemap_hook); + drivemap_hook = 0; + grub_unregister_extcmd (cmd); +} diff --git a/grub-core/commands/i386/pc/drivemap_int13h.S b/grub-core/commands/i386/pc/drivemap_int13h.S new file mode 100644 index 0000000..3c87521 --- /dev/null +++ b/grub-core/commands/i386/pc/drivemap_int13h.S @@ -0,0 +1,124 @@ +/* drivemap_int13h.S - interrupt handler for the BIOS drive remapper */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008, 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/symbol.h> + +#define INT13H_OFFSET(x) ((x) - LOCAL (base)) + +.code16 + +/* Copy starts here. When deployed, this code must be segment-aligned. */ + +/* The replacement int13 handler. Preserve all registers. */ +FUNCTION(grub_drivemap_handler) +LOCAL (base): + /* Save %dx for future restore. */ + push %dx + /* Push flags. Used to simulate interrupt with original flags. */ + pushf + + /* Map the drive number (always in DL). */ + push %ax + push %bx +#ifdef __APPLE__ + LOCAL(mapstart_offset) = INT13H_OFFSET(LOCAL (mapstart)) + movw $LOCAL(mapstart_offset), %bx +#else + movw $INT13H_OFFSET(LOCAL (mapstart)), %bx +#endif + +more_remaining: + movw %cs:(%bx), %ax + cmpb %ah, %al + jz not_found /* DRV=DST => map end - drive not remapped, keep DL. */ + inc %bx + inc %bx + cmpb %dl, %al + jnz more_remaining /* Not found, but more remaining, loop. */ + movb %ah, %dl /* Found - drive remapped, modify DL. */ + +not_found: + pop %bx + pop %ax + + /* If the call isn't ah=0x8 or ah=0x15 we must restore %dx. */ + cmpb $0x8, %ah + jz norestore + cmpb $0x15, %ah + jz norestore + + /* Restore flags. */ + popf + pushf + +#ifdef __APPLE__ + LOCAL(oldhandler_offset) = INT13H_OFFSET (LOCAL (oldhandler)) + lcall *%cs:LOCAL(oldhandler_offset) +#else + lcall *%cs:INT13H_OFFSET (LOCAL (oldhandler)) +#endif + + push %bp + mov %sp, %bp + +tail: + /* Save new flags below %esp so the caller will recieve new flags. */ + pushf + pop %dx + mov %dx, 8(%bp) + + pop %bp + + /* Restore %dx. */ + pop %dx + iret + +norestore: + + /* Restore flags. */ + popf + pushf + +#ifdef __APPLE__ + lcall *%cs:LOCAL(oldhandler_offset) +#else + lcall *%cs:INT13H_OFFSET (LOCAL (oldhandler)) +#endif + + push %bp + mov %sp, %bp + + /* Save %dx. So it won't be restored to original value. */ + mov %dx, 2(%bp) + + jmp tail + +/* Far pointer to the old handler. Stored as a CS:IP in the style of real-mode + IVT entries (thus PI:SC in mem). */ +VARIABLE(grub_drivemap_oldhandler) +LOCAL (oldhandler): + .word 0x0, 0x0 + +/* This label MUST be at the end of the copied block, since the installer code + reserves additional space for mappings at runtime and copies them over it. */ + .align 2 + +VARIABLE(grub_drivemap_mapstart) +LOCAL (mapstart): + .byte 0 diff --git a/grub-core/commands/i386/pc/halt.c b/grub-core/commands/i386/pc/halt.c new file mode 100644 index 0000000..1e7c2c9 --- /dev/null +++ b/grub-core/commands/i386/pc/halt.c @@ -0,0 +1,126 @@ +/* halt.c - command to halt the computer. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2005,2007,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/extcmd.h> +#include <grub/i18n.h> +#include <grub/machine/int.h> +#include <grub/acpi.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static const struct grub_arg_option options[] = + { + {"no-apm", 'n', 0, N_("Do not use APM to halt the computer."), 0, 0}, + {0, 0, 0, 0, 0, 0} + }; + +static inline void __attribute__ ((noreturn)) +stop (void) +{ + while (1) + { + asm volatile ("hlt"); + } +} +/* + * Halt the system, using APM if possible. If NO_APM is true, don't use + * APM even if it is available. + */ +void __attribute__ ((noreturn)) +grub_halt (int no_apm) +{ + struct grub_bios_int_registers regs; + + grub_acpi_halt (); + + if (no_apm) + stop (); + + /* detect APM */ + regs.eax = 0x5300; + regs.ebx = 0; + regs.flags = GRUB_CPU_INT_FLAGS_DEFAULT; + grub_bios_interrupt (0x15, ®s); + + if (regs.flags & GRUB_CPU_INT_FLAGS_CARRY) + stop (); + + /* disconnect APM first */ + regs.eax = 0x5304; + regs.ebx = 0; + regs.flags = GRUB_CPU_INT_FLAGS_DEFAULT; + grub_bios_interrupt (0x15, ®s); + + /* connect APM */ + regs.eax = 0x5301; + regs.ebx = 0; + regs.flags = GRUB_CPU_INT_FLAGS_DEFAULT; + grub_bios_interrupt (0x15, ®s); + if (regs.flags & GRUB_CPU_INT_FLAGS_CARRY) + stop (); + + /* set APM protocol level - 1.1 or bust. (this covers APM 1.2 also) */ + regs.eax = 0x530E; + regs.ebx = 0; + regs.ecx = 0x0101; + regs.flags = GRUB_CPU_INT_FLAGS_DEFAULT; + grub_bios_interrupt (0x15, ®s); + if (regs.flags & GRUB_CPU_INT_FLAGS_CARRY) + stop (); + + /* set the power state to off */ + regs.eax = 0x5307; + regs.ebx = 1; + regs.ecx = 3; + regs.flags = GRUB_CPU_INT_FLAGS_DEFAULT; + grub_bios_interrupt (0x15, ®s); + + /* shouldn't reach here */ + stop (); +} + +static grub_err_t __attribute__ ((noreturn)) +grub_cmd_halt (grub_extcmd_context_t ctxt, + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) + +{ + struct grub_arg_list *state = ctxt->state; + int no_apm = 0; + + if (state[0].set) + no_apm = 1; + grub_halt (no_apm); +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT(halt) +{ + cmd = grub_register_extcmd ("halt", grub_cmd_halt, 0, "[-n]", + N_("Halt the system, if possible using APM."), + options); +} + +GRUB_MOD_FINI(halt) +{ + grub_unregister_extcmd (cmd); +} diff --git a/grub-core/commands/i386/pc/lsapm.c b/grub-core/commands/i386/pc/lsapm.c new file mode 100644 index 0000000..c82476d --- /dev/null +++ b/grub-core/commands/i386/pc/lsapm.c @@ -0,0 +1,115 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2010 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/machine/int.h> +#include <grub/machine/apm.h> +#include <grub/dl.h> +#include <grub/command.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +int +grub_apm_get_info (struct grub_apm_info *info) +{ + struct grub_bios_int_registers regs; + + /* detect APM */ + regs.eax = 0x5300; + regs.ebx = 0; + regs.flags = GRUB_CPU_INT_FLAGS_DEFAULT; + grub_bios_interrupt (0x15, ®s); + + if (regs.flags & GRUB_CPU_INT_FLAGS_CARRY) + return 0; + info->version = regs.eax & 0xffff; + info->flags = regs.ecx & 0xffff; + + /* disconnect APM first */ + regs.eax = 0x5304; + regs.ebx = 0; + regs.flags = GRUB_CPU_INT_FLAGS_DEFAULT; + grub_bios_interrupt (0x15, ®s); + + /* connect APM */ + regs.eax = 0x5303; + regs.ebx = 0; + regs.flags = GRUB_CPU_INT_FLAGS_DEFAULT; + grub_bios_interrupt (0x15, ®s); + + if (regs.flags & GRUB_CPU_INT_FLAGS_CARRY) + return 0; + + info->cseg = regs.eax & 0xffff; + info->offset = regs.ebx; + info->cseg_16 = regs.ecx & 0xffff; + info->dseg = regs.edx & 0xffff; + info->cseg_len = regs.esi >> 16; + info->cseg_16_len = regs.esi & 0xffff; + info->dseg_len = regs.edi; + + return 1; +} + +static grub_err_t +grub_cmd_lsapm (grub_command_t cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), char **args __attribute__ ((unused))) +{ + struct grub_apm_info info; + if (!grub_apm_get_info (&info)) + return grub_error (GRUB_ERR_IO, N_("no APM found")); + + grub_printf_ (N_("Version %u.%u\n" + "32-bit CS = 0x%x, len = 0x%x, offset = 0x%x\n" + "16-bit CS = 0x%x, len = 0x%x\n" + "DS = 0x%x, len = 0x%x\n"), + info.version >> 8, info.version & 0xff, + info.cseg, info.cseg_len, info.offset, + info.cseg_16, info.cseg_16_len, + info.dseg, info.dseg_len); + grub_xputs (info.flags & GRUB_APM_FLAGS_16BITPROTECTED_SUPPORTED + ? _("16-bit protected interface supported\n") + : _("16-bit protected interface unsupported\n")); + grub_xputs (info.flags & GRUB_APM_FLAGS_32BITPROTECTED_SUPPORTED + ? _("32-bit protected interface supported\n") + : _("32-bit protected interface unsupported\n")); + grub_xputs (info.flags & GRUB_APM_FLAGS_CPUIDLE_SLOWS_DOWN + ? _("CPU Idle slows down processor\n") + : _("CPU Idle doesn't slow down processor\n")); + grub_xputs (info.flags & GRUB_APM_FLAGS_DISABLED + ? _("APM disabled\n") : _("APM enabled\n")); + grub_xputs (info.flags & GRUB_APM_FLAGS_DISENGAGED + ? _("APM disengaged\n") : _("APM engaged\n")); + + return GRUB_ERR_NONE; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(lsapm) +{ + cmd = grub_register_command ("lsapm", grub_cmd_lsapm, 0, + N_("Show APM information.")); +} + +GRUB_MOD_FINI(lsapm) +{ + grub_unregister_command (cmd); +} + + diff --git a/grub-core/commands/i386/pc/play.c b/grub-core/commands/i386/pc/play.c new file mode 100644 index 0000000..a980e46 --- /dev/null +++ b/grub-core/commands/i386/pc/play.c @@ -0,0 +1,197 @@ +/* play.c - command to play a tune */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2005,2007,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +/* Lots of this file is borrowed from GNU/Hurd generic-speaker driver. */ + +#include <grub/dl.h> +#include <grub/file.h> +#include <grub/disk.h> +#include <grub/term.h> +#include <grub/misc.h> +#include <grub/cpu/io.h> +#include <grub/command.h> +#include <grub/i18n.h> +#include <grub/time.h> +#include <grub/speaker.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +#define BASE_TEMPO (60 * 1000) + + +#define T_REST ((grub_uint16_t) 0) +#define T_FINE ((grub_uint16_t) -1) + +struct note +{ + grub_uint16_t pitch; + grub_uint16_t duration; +}; + +/* Returns whether playing should continue. */ +static int +play (unsigned tempo, struct note *note) +{ + grub_uint64_t to; + + if (note->pitch == T_FINE || grub_getkey_noblock () != GRUB_TERM_NO_KEY) + return 1; + + grub_dprintf ("play", "pitch = %d, duration = %d\n", note->pitch, + note->duration); + + switch (note->pitch) + { + case T_REST: + grub_speaker_beep_off (); + break; + + default: + grub_speaker_beep_on (note->pitch); + break; + } + + to = grub_get_time_ms () + BASE_TEMPO * note->duration / tempo; + while ((grub_get_time_ms () <= to) + && (grub_getkey_noblock () == GRUB_TERM_NO_KEY)); + + return 0; +} + +static grub_err_t +grub_cmd_play (grub_command_t cmd __attribute__ ((unused)), + int argc, char **args) +{ + + if (argc < 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, + /* TRANSLATORS: It's musical notes, not the notes + you take. Play command expects arguments which can + be either a filename or tempo+notes. + This error happens if none is specified. */ + N_("filename or tempo and notes expected")); + + if (argc == 1) + { + struct note buf; + grub_uint32_t tempo; + grub_file_t file; + + file = grub_file_open (args[0], GRUB_FILE_TYPE_AUDIO); + + if (! file) + return grub_errno; + + if (grub_file_read (file, &tempo, sizeof (tempo)) != sizeof (tempo)) + { + grub_file_close (file); + if (!grub_errno) + grub_error (GRUB_ERR_FILE_READ_ERROR, N_("premature end of file %s"), + args[0]); + return grub_errno; + } + + if (!tempo) + { + grub_file_close (file); + grub_error (GRUB_ERR_BAD_ARGUMENT, N_("Invalid tempo in %s"), + args[0]); + return grub_errno; + } + + tempo = grub_le_to_cpu32 (tempo); + grub_dprintf ("play","tempo = %d\n", tempo); + + while (grub_file_read (file, &buf, + sizeof (struct note)) == sizeof (struct note)) + { + buf.pitch = grub_le_to_cpu16 (buf.pitch); + buf.duration = grub_le_to_cpu16 (buf.duration); + + if (play (tempo, &buf)) + break; + } + + grub_file_close (file); + } + else + { + const char *end; + unsigned tempo; + struct note note; + int i; + + tempo = grub_strtoul (args[0], &end, 0); + + if (!tempo) + { + grub_error (GRUB_ERR_BAD_ARGUMENT, N_("Invalid tempo in %s"), + args[0]); + return grub_errno; + } + + if (*end) + /* Was not a number either, assume it was supposed to be a file name. */ + return grub_error (GRUB_ERR_FILE_NOT_FOUND, N_("file `%s' not found"), args[0]); + + grub_dprintf ("play","tempo = %d\n", tempo); + + for (i = 1; i + 1 < argc; i += 2) + { + note.pitch = grub_strtoul (args[i], &end, 0); + if (grub_errno) + break; + if (*end) + { + grub_error (GRUB_ERR_BAD_NUMBER, N_("unrecognized number")); + break; + } + + note.duration = grub_strtoul (args[i + 1], &end, 0); + if (grub_errno) + break; + if (*end) + { + grub_error (GRUB_ERR_BAD_NUMBER, N_("unrecognized number")); + break; + } + + if (play (tempo, ¬e)) + break; + } + } + + grub_speaker_beep_off (); + + return 0; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(play) +{ + cmd = grub_register_command ("play", grub_cmd_play, + N_("FILE | TEMPO [PITCH1 DURATION1] [PITCH2 DURATION2] ... "), + N_("Play a tune.")); +} + +GRUB_MOD_FINI(play) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/i386/pc/sendkey.c b/grub-core/commands/i386/pc/sendkey.c new file mode 100644 index 0000000..26d9acd --- /dev/null +++ b/grub-core/commands/i386/pc/sendkey.c @@ -0,0 +1,387 @@ +/* sendkey.c - fake keystroke. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <grub/types.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/err.h> +#include <grub/dl.h> +#include <grub/extcmd.h> +#include <grub/cpu/io.h> +#include <grub/loader.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv2+"); + +static char sendkey[0x20]; +/* Length of sendkey. */ +static int keylen = 0; +static int noled = 0; +static const struct grub_arg_option options[] = + { + {"num", 'n', 0, N_("set numlock mode"), "[on|off]", ARG_TYPE_STRING}, + {"caps", 'c', 0, N_("set capslock mode"), "[on|off]", ARG_TYPE_STRING}, + {"scroll", 's', 0, N_("set scrolllock mode"), "[on|off]", ARG_TYPE_STRING}, + {"insert", 0, 0, N_("set insert mode"), "[on|off]", ARG_TYPE_STRING}, + {"pause", 0, 0, N_("set pause mode"), "[on|off]", ARG_TYPE_STRING}, + {"left-shift", 0, 0, N_("press left shift"), "[on|off]", ARG_TYPE_STRING}, + {"right-shift", 0, 0, N_("press right shift"), "[on|off]", ARG_TYPE_STRING}, + {"sysrq", 0, 0, N_("press SysRq"), "[on|off]", ARG_TYPE_STRING}, + {"numkey", 0, 0, N_("press NumLock key"), "[on|off]", ARG_TYPE_STRING}, + {"capskey", 0, 0, N_("press CapsLock key"), "[on|off]", ARG_TYPE_STRING}, + {"scrollkey", 0, 0, N_("press ScrollLock key"), "[on|off]", ARG_TYPE_STRING}, + {"insertkey", 0, 0, N_("press Insert key"), "[on|off]", ARG_TYPE_STRING}, + {"left-alt", 0, 0, N_("press left alt"), "[on|off]", ARG_TYPE_STRING}, + {"right-alt", 0, 0, N_("press right alt"), "[on|off]", ARG_TYPE_STRING}, + {"left-ctrl", 0, 0, N_("press left ctrl"), "[on|off]", ARG_TYPE_STRING}, + {"right-ctrl", 0, 0, N_("press right ctrl"), "[on|off]", ARG_TYPE_STRING}, + {"no-led", 0, 0, N_("don't update LED state"), 0, 0}, + {0, 0, 0, 0, 0, 0} + }; +static int simple_flag_offsets[] += {5, 6, 4, 7, 11, 1, 0, 10, 13, 14, 12, 15, 9, 3, 8, 2}; + +static grub_uint32_t andmask = 0xffffffff, ormask = 0; + +struct +keysym +{ + const char *unshifted_name; /* the name in unshifted state */ + const char *shifted_name; /* the name in shifted state */ + unsigned char unshifted_ascii; /* the ascii code in unshifted state */ + unsigned char shifted_ascii; /* the ascii code in shifted state */ + unsigned char keycode; /* keyboard scancode */ +}; + +/* The table for key symbols. If the "shifted" member of an entry is + NULL, the entry does not have shifted state. Copied from GRUB Legacy setkey fuction */ +static struct keysym keysym_table[] = +{ + {"escape", 0, 0x1b, 0, 0x01}, + {"1", "exclam", '1', '!', 0x02}, + {"2", "at", '2', '@', 0x03}, + {"3", "numbersign", '3', '#', 0x04}, + {"4", "dollar", '4', '$', 0x05}, + {"5", "percent", '5', '%', 0x06}, + {"6", "caret", '6', '^', 0x07}, + {"7", "ampersand", '7', '&', 0x08}, + {"8", "asterisk", '8', '*', 0x09}, + {"9", "parenleft", '9', '(', 0x0a}, + {"0", "parenright", '0', ')', 0x0b}, + {"minus", "underscore", '-', '_', 0x0c}, + {"equal", "plus", '=', '+', 0x0d}, + {"backspace", 0, '\b', 0, 0x0e}, + {"tab", 0, '\t', 0, 0x0f}, + {"q", "Q", 'q', 'Q', 0x10}, + {"w", "W", 'w', 'W', 0x11}, + {"e", "E", 'e', 'E', 0x12}, + {"r", "R", 'r', 'R', 0x13}, + {"t", "T", 't', 'T', 0x14}, + {"y", "Y", 'y', 'Y', 0x15}, + {"u", "U", 'u', 'U', 0x16}, + {"i", "I", 'i', 'I', 0x17}, + {"o", "O", 'o', 'O', 0x18}, + {"p", "P", 'p', 'P', 0x19}, + {"bracketleft", "braceleft", '[', '{', 0x1a}, + {"bracketright", "braceright", ']', '}', 0x1b}, + {"enter", 0, '\r', 0, 0x1c}, + {"control", 0, 0, 0, 0x1d}, + {"a", "A", 'a', 'A', 0x1e}, + {"s", "S", 's', 'S', 0x1f}, + {"d", "D", 'd', 'D', 0x20}, + {"f", "F", 'f', 'F', 0x21}, + {"g", "G", 'g', 'G', 0x22}, + {"h", "H", 'h', 'H', 0x23}, + {"j", "J", 'j', 'J', 0x24}, + {"k", "K", 'k', 'K', 0x25}, + {"l", "L", 'l', 'L', 0x26}, + {"semicolon", "colon", ';', ':', 0x27}, + {"quote", "doublequote", '\'', '"', 0x28}, + {"backquote", "tilde", '`', '~', 0x29}, + {"shift", 0, 0, 0, 0x2a}, + {"backslash", "bar", '\\', '|', 0x2b}, + {"z", "Z", 'z', 'Z', 0x2c}, + {"x", "X", 'x', 'X', 0x2d}, + {"c", "C", 'c', 'C', 0x2e}, + {"v", "V", 'v', 'V', 0x2f}, + {"b", "B", 'b', 'B', 0x30}, + {"n", "N", 'n', 'N', 0x31}, + {"m", "M", 'm', 'M', 0x32}, + {"comma", "less", ',', '<', 0x33}, + {"period", "greater", '.', '>', 0x34}, + {"slash", "question", '/', '?', 0x35}, + {"rshift", 0, 0, 0, 0x36}, + {"numasterisk", 0, '*', 0, 0x37}, + {"alt", 0, 0, 0, 0x38}, + {"space", 0, ' ', 0, 0x39}, + {"capslock", 0, 0, 0, 0x3a}, + {"F1", 0, 0, 0, 0x3b}, + {"F2", 0, 0, 0, 0x3c}, + {"F3", 0, 0, 0, 0x3d}, + {"F4", 0, 0, 0, 0x3e}, + {"F5", 0, 0, 0, 0x3f}, + {"F6", 0, 0, 0, 0x40}, + {"F7", 0, 0, 0, 0x41}, + {"F8", 0, 0, 0, 0x42}, + {"F9", 0, 0, 0, 0x43}, + {"F10", 0, 0, 0, 0x44}, + {"num7", "numhome", '7', 0, 0x47}, + {"num8", "numup", '8', 0, 0x48}, + {"num9", "numpgup", '9', 0, 0x49}, + {"numminus", 0, '-', 0, 0x4a}, + {"num4", "numleft", '4', 0, 0x4b}, + {"num5", "numcenter", '5', 0, 0x4c}, + {"num6", "numright", '6', 0, 0x4d}, + {"numplus", 0, '-', 0, 0x4e}, + {"num1", "numend", '1', 0, 0x4f}, + {"num2", "numdown", '2', 0, 0x50}, + {"num3", "numpgdown", '3', 0, 0x51}, + {"num0", "numinsert", '0', 0, 0x52}, + {"numperiod", "numdelete", 0, 0x7f, 0x53}, + {"F11", 0, 0, 0, 0x57}, + {"F12", 0, 0, 0, 0x58}, + {"numenter", 0, '\r', 0, 0xe0}, + {"numslash", 0, '/', 0, 0xe0}, + {"delete", 0, 0x7f, 0, 0xe0}, + {"insert", 0, 0xe0, 0, 0x52}, + {"home", 0, 0xe0, 0, 0x47}, + {"end", 0, 0xe0, 0, 0x4f}, + {"pgdown", 0, 0xe0, 0, 0x51}, + {"pgup", 0, 0xe0, 0, 0x49}, + {"down", 0, 0xe0, 0, 0x50}, + {"up", 0, 0xe0, 0, 0x48}, + {"left", 0, 0xe0, 0, 0x4b}, + {"right", 0, 0xe0, 0, 0x4d} +}; + +/* Set a simple flag in flags variable + OUTOFFSET - offset of flag in FLAGS, + OP - action id +*/ +static void +grub_sendkey_set_simple_flag (int outoffset, int op) +{ + if (op == 2) + { + andmask |= (1 << outoffset); + ormask &= ~(1 << outoffset); + } + else + { + andmask &= (~(1 << outoffset)); + if (op == 1) + ormask |= (1 << outoffset); + else + ormask &= ~(1 << outoffset); + } +} + +static int +grub_sendkey_parse_op (struct grub_arg_list state) +{ + if (! state.set) + return 2; + + if (grub_strcmp (state.arg, "off") == 0 || grub_strcmp (state.arg, "0") == 0 + || grub_strcmp (state.arg, "unpress") == 0) + return 0; + + if (grub_strcmp (state.arg, "on") == 0 || grub_strcmp (state.arg, "1") == 0 + || grub_strcmp (state.arg, "press") == 0) + return 1; + + return 2; +} + +static grub_uint32_t oldflags; + +static grub_err_t +grub_sendkey_postboot (void) +{ + /* For convention: pointer to flags. */ + grub_uint32_t *flags = (grub_uint32_t *) 0x417; + + *flags = oldflags; + + *((char *) 0x41a) = 0x1e; + *((char *) 0x41c) = 0x1e; + + return GRUB_ERR_NONE; +} + +/* Set keyboard buffer to our sendkey */ +static grub_err_t +grub_sendkey_preboot (int noret __attribute__ ((unused))) +{ + /* For convention: pointer to flags. */ + grub_uint32_t *flags = (grub_uint32_t *) 0x417; + + oldflags = *flags; + + /* Set the sendkey. */ + *((char *) 0x41a) = 0x1e; + *((char *) 0x41c) = keylen + 0x1e; + grub_memcpy ((char *) 0x41e, sendkey, 0x20); + + /* Transform "any ctrl" to "right ctrl" flag. */ + if (*flags & (1 << 8)) + *flags &= ~(1 << 2); + + /* Transform "any alt" to "right alt" flag. */ + if (*flags & (1 << 9)) + *flags &= ~(1 << 3); + + *flags = (*flags & andmask) | ormask; + + /* Transform "right ctrl" to "any ctrl" flag. */ + if (*flags & (1 << 8)) + *flags |= (1 << 2); + + /* Transform "right alt" to "any alt" flag. */ + if (*flags & (1 << 9)) + *flags |= (1 << 3); + + /* Write new LED state */ + if (!noled) + { + int value = 0; + int failed; + /* Try 5 times */ + for (failed = 0; failed < 5; failed++) + { + value = 0; + /* Send command change LEDs */ + grub_outb (0xed, 0x60); + + /* Wait */ + do + value = grub_inb (0x60); + while ((value != 0xfa) && (value != 0xfe)); + + if (value == 0xfa) + { + /* Set new LEDs*/ + grub_outb ((*flags >> 4) & 7, 0x60); + break; + } + } + } + return GRUB_ERR_NONE; +} + +/* Helper for grub_cmd_sendkey. */ +static int +find_key_code (char *key) +{ + unsigned i; + + for (i = 0; i < ARRAY_SIZE(keysym_table); i++) + { + if (keysym_table[i].unshifted_name + && grub_strcmp (key, keysym_table[i].unshifted_name) == 0) + return keysym_table[i].keycode; + else if (keysym_table[i].shifted_name + && grub_strcmp (key, keysym_table[i].shifted_name) == 0) + return keysym_table[i].keycode; + } + + return 0; +} + +/* Helper for grub_cmd_sendkey. */ +static int +find_ascii_code (char *key) +{ + unsigned i; + + for (i = 0; i < ARRAY_SIZE(keysym_table); i++) + { + if (keysym_table[i].unshifted_name + && grub_strcmp (key, keysym_table[i].unshifted_name) == 0) + return keysym_table[i].unshifted_ascii; + else if (keysym_table[i].shifted_name + && grub_strcmp (key, keysym_table[i].shifted_name) == 0) + return keysym_table[i].shifted_ascii; + } + + return 0; +} + +static grub_err_t +grub_cmd_sendkey (grub_extcmd_context_t ctxt, int argc, char **args) +{ + struct grub_arg_list *state = ctxt->state; + + andmask = 0xffffffff; + ormask = 0; + + { + int i; + + keylen = 0; + + for (i = 0; i < argc && keylen < 0x20; i++) + { + int key_code; + + key_code = find_key_code (args[i]); + if (key_code) + { + sendkey[keylen++] = find_ascii_code (args[i]); + sendkey[keylen++] = key_code; + } + } + } + + { + unsigned i; + for (i = 0; i < ARRAY_SIZE(simple_flag_offsets); i++) + grub_sendkey_set_simple_flag (simple_flag_offsets[i], + grub_sendkey_parse_op(state[i])); + } + + /* Set noled. */ + noled = (state[ARRAY_SIZE(simple_flag_offsets)].set); + + return GRUB_ERR_NONE; +} + +static grub_extcmd_t cmd; +static struct grub_preboot *preboot_hook; + +GRUB_MOD_INIT (sendkey) +{ + cmd = grub_register_extcmd ("sendkey", grub_cmd_sendkey, 0, + N_("[KEYSTROKE1] [KEYSTROKE2] ..."), + /* TRANSLATORS: It can emulate multiple + keypresses. */ + N_("Emulate a keystroke sequence"), options); + + preboot_hook + = grub_loader_register_preboot_hook (grub_sendkey_preboot, + grub_sendkey_postboot, + GRUB_LOADER_PREBOOT_HOOK_PRIO_CONSOLE); +} + +GRUB_MOD_FINI (sendkey) +{ + grub_unregister_extcmd (cmd); + grub_loader_unregister_preboot_hook (preboot_hook); +} diff --git a/grub-core/commands/i386/pc/smbios.c b/grub-core/commands/i386/pc/smbios.c new file mode 100644 index 0000000..069d663 --- /dev/null +++ b/grub-core/commands/i386/pc/smbios.c @@ -0,0 +1,52 @@ +/* smbios.c - get smbios tables. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2019 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/acpi.h> +#include <grub/smbios.h> +#include <grub/misc.h> + +struct grub_smbios_eps * +grub_machine_smbios_get_eps (void) +{ + grub_uint8_t *ptr; + + grub_dprintf ("smbios", "Looking for SMBIOS EPS. Scanning BIOS\n"); + + for (ptr = (grub_uint8_t *) 0xf0000; ptr < (grub_uint8_t *) 0x100000; ptr += 16) + if (grub_memcmp (ptr, "_SM_", 4) == 0 + && grub_byte_checksum (ptr, sizeof (struct grub_smbios_eps)) == 0) + return (struct grub_smbios_eps *) ptr; + + return 0; +} + +struct grub_smbios_eps3 * +grub_machine_smbios_get_eps3 (void) +{ + grub_uint8_t *ptr; + + grub_dprintf ("smbios", "Looking for SMBIOS3 EPS. Scanning BIOS\n"); + + for (ptr = (grub_uint8_t *) 0xf0000; ptr < (grub_uint8_t *) 0x100000; ptr += 16) + if (grub_memcmp (ptr, "_SM3_", 5) == 0 + && grub_byte_checksum (ptr, sizeof (struct grub_smbios_eps3)) == 0) + return (struct grub_smbios_eps3 *) ptr; + + return 0; +} diff --git a/grub-core/commands/i386/rdmsr.c b/grub-core/commands/i386/rdmsr.c new file mode 100644 index 0000000..46c4346 --- /dev/null +++ b/grub-core/commands/i386/rdmsr.c @@ -0,0 +1,102 @@ +/* rdmsr.c - Read CPU model-specific registers. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2019 Free Software Foundation, Inc. + * Based on gcc/gcc/config/i386/driver-i386.c + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/env.h> +#include <grub/command.h> +#include <grub/extcmd.h> +#include <grub/i18n.h> +#include <grub/i386/cpuid.h> +#include <grub/i386/rdmsr.h> + +GRUB_MOD_LICENSE("GPLv3+"); + +static grub_extcmd_t cmd_read; + +static const struct grub_arg_option options[] = +{ + {0, 'v', 0, N_("Save read value into variable VARNAME."), + N_("VARNAME"), ARG_TYPE_STRING}, + {0, 0, 0, 0, 0, 0} +}; + +static grub_err_t +grub_cmd_msr_read (grub_extcmd_context_t ctxt, int argc, char **argv) +{ + grub_uint32_t manufacturer[3], max_cpuid, a, b, c, features, addr; + grub_uint64_t value; + const char *ptr; + char buf[sizeof("1122334455667788")]; + + /* + * The CPUID instruction should be used to determine whether MSRs + * are supported. (CPUID.01H:EDX[5] = 1) + */ + if (! grub_cpu_is_cpuid_supported ()) + return grub_error (GRUB_ERR_BUG, N_("unsupported instruction")); + + grub_cpuid (0, max_cpuid, manufacturer[0], manufacturer[2], manufacturer[1]); + + if (max_cpuid < 1) + return grub_error (GRUB_ERR_BUG, N_("unsupported instruction")); + + grub_cpuid (1, a, b, c, features); + + if (!(features & (1 << 5))) + return grub_error (GRUB_ERR_BUG, N_("unsupported instruction")); + + if (argc != 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected")); + + grub_errno = GRUB_ERR_NONE; + ptr = argv[0]; + addr = grub_strtoul (ptr, &ptr, 0); + + if (grub_errno != GRUB_ERR_NONE) + return grub_errno; + if (*ptr != '\0') + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("invalid argument")); + + value = grub_msr_read (addr); + + if (ctxt->state[0].set) + { + grub_snprintf (buf, sizeof(buf), "%llx", (unsigned long long) value); + grub_env_set (ctxt->state[0].arg, buf); + } + else + grub_printf ("0x%llx\n", (unsigned long long) value); + + return GRUB_ERR_NONE; +} + +GRUB_MOD_INIT(rdmsr) +{ + cmd_read = grub_register_extcmd ("rdmsr", grub_cmd_msr_read, 0, N_("ADDR"), + N_("Read a CPU model specific register."), + options); +} + +GRUB_MOD_FINI(rdmsr) +{ + grub_unregister_extcmd (cmd_read); +} diff --git a/grub-core/commands/i386/wrmsr.c b/grub-core/commands/i386/wrmsr.c new file mode 100644 index 0000000..1b143b8 --- /dev/null +++ b/grub-core/commands/i386/wrmsr.c @@ -0,0 +1,94 @@ +/* wrmsr.c - Write CPU model-specific registers. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2019 Free Software Foundation, Inc. + * Based on gcc/gcc/config/i386/driver-i386.c + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/env.h> +#include <grub/command.h> +#include <grub/extcmd.h> +#include <grub/lockdown.h> +#include <grub/i18n.h> +#include <grub/i386/cpuid.h> +#include <grub/i386/wrmsr.h> + +GRUB_MOD_LICENSE("GPLv3+"); + +static grub_command_t cmd_write; + +static grub_err_t +grub_cmd_msr_write (grub_command_t cmd __attribute__ ((unused)), int argc, char **argv) +{ + grub_uint32_t manufacturer[3], max_cpuid, a, b, c, features, addr; + grub_uint64_t value; + const char *ptr; + + /* + * The CPUID instruction should be used to determine whether MSRs + * are supported. (CPUID.01H:EDX[5] = 1) + */ + if (!grub_cpu_is_cpuid_supported ()) + return grub_error (GRUB_ERR_BUG, N_("unsupported instruction")); + + grub_cpuid (0, max_cpuid, manufacturer[0], manufacturer[2], manufacturer[1]); + + if (max_cpuid < 1) + return grub_error (GRUB_ERR_BUG, N_("unsupported instruction")); + + grub_cpuid (1, a, b, c, features); + + if (!(features & (1 << 5))) + return grub_error (GRUB_ERR_BUG, N_("unsupported instruction")); + + if (argc != 2) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("two arguments expected")); + + grub_errno = GRUB_ERR_NONE; + ptr = argv[0]; + addr = grub_strtoul (ptr, &ptr, 0); + + if (grub_errno != GRUB_ERR_NONE) + return grub_errno; + if (*ptr != '\0') + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("invalid argument")); + + ptr = argv[1]; + value = grub_strtoull (ptr, &ptr, 0); + + if (grub_errno != GRUB_ERR_NONE) + return grub_errno; + if (*ptr != '\0') + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("invalid argument")); + + grub_msr_write (addr, value); + + return GRUB_ERR_NONE; +} + +GRUB_MOD_INIT(wrmsr) +{ + cmd_write = grub_register_command_lockdown ("wrmsr", grub_cmd_msr_write, N_("ADDR VALUE"), + N_("Write a value to a CPU model specific register.")); +} + +GRUB_MOD_FINI(wrmsr) +{ + grub_unregister_command (cmd_write); +} diff --git a/grub-core/commands/ieee1275/suspend.c b/grub-core/commands/ieee1275/suspend.c new file mode 100644 index 0000000..b505485 --- /dev/null +++ b/grub-core/commands/ieee1275/suspend.c @@ -0,0 +1,51 @@ +/* suspend.c - command to suspend GRUB and return to Open Firmware */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2005,2007 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/term.h> +#include <grub/ieee1275/ieee1275.h> +#include <grub/command.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_err_t +grub_cmd_suspend (grub_command_t cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) +{ + grub_puts_ (N_("Run `go' to resume GRUB.")); + grub_ieee1275_enter (); + grub_cls (); + return 0; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(ieee1275_suspend) +{ + cmd = grub_register_command ("suspend", grub_cmd_suspend, + 0, N_("Return to IEEE1275 prompt.")); +} + +GRUB_MOD_FINI(ieee1275_suspend) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/iorw.c b/grub-core/commands/iorw.c new file mode 100644 index 0000000..584baec --- /dev/null +++ b/grub-core/commands/iorw.c @@ -0,0 +1,156 @@ +/* memrw.c - command to read / write physical memory */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/extcmd.h> +#include <grub/env.h> +#include <grub/cpu/io.h> +#include <grub/i18n.h> +#include <grub/lockdown.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_extcmd_t cmd_read_byte, cmd_read_word, cmd_read_dword; +static grub_command_t cmd_write_byte, cmd_write_word, cmd_write_dword; + +static const struct grub_arg_option options[] = + { + {0, 'v', 0, N_("Save read value into variable VARNAME."), + N_("VARNAME"), ARG_TYPE_STRING}, + {0, 0, 0, 0, 0, 0} + }; + + +static grub_err_t +grub_cmd_read (grub_extcmd_context_t ctxt, int argc, char **argv) +{ + grub_port_t addr; + grub_uint32_t value = 0; + + if (argc != 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected")); + + addr = grub_strtoul (argv[0], 0, 0); + switch (ctxt->extcmd->cmd->name[sizeof ("in") - 1]) + { + case 'l': + value = grub_inl (addr); + break; + + case 'w': + value = grub_inw (addr); + break; + + case 'b': + value = grub_inb (addr); + break; + } + + if (ctxt->state[0].set) + { + char buf[sizeof ("XXXXXXXX")]; + grub_snprintf (buf, sizeof (buf), "%x", value); + grub_env_set (ctxt->state[0].arg, buf); + } + else + grub_printf ("0x%x\n", value); + + return 0; +} + +static grub_err_t +grub_cmd_write (grub_command_t cmd, int argc, char **argv) +{ + grub_port_t addr; + grub_uint32_t value; + grub_uint32_t mask = 0xffffffff; + + if (argc != 2 && argc != 3) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("two arguments expected")); + + addr = grub_strtoul (argv[0], 0, 0); + value = grub_strtoul (argv[1], 0, 0); + if (argc == 3) + mask = grub_strtoul (argv[2], 0, 0); + value &= mask; + switch (cmd->name[sizeof ("out") - 1]) + { + case 'l': + if (mask != 0xffffffff) + grub_outl ((grub_inl (addr) & ~mask) | value, addr); + else + grub_outl (value, addr); + break; + + case 'w': + if ((mask & 0xffff) != 0xffff) + grub_outw ((grub_inw (addr) & ~mask) | value, addr); + else + grub_outw (value, addr); + break; + + case 'b': + if ((mask & 0xff) != 0xff) + grub_outb ((grub_inb (addr) & ~mask) | value, addr); + else + grub_outb (value, addr); + break; + } + + return 0; +} + +GRUB_MOD_INIT(memrw) +{ + cmd_read_byte = + grub_register_extcmd ("inb", grub_cmd_read, 0, + N_("PORT"), N_("Read 8-bit value from PORT."), + options); + cmd_read_word = + grub_register_extcmd ("inw", grub_cmd_read, 0, + N_("PORT"), N_("Read 16-bit value from PORT."), + options); + cmd_read_dword = + grub_register_extcmd ("inl", grub_cmd_read, 0, + N_("PORT"), N_("Read 32-bit value from PORT."), + options); + cmd_write_byte = + grub_register_command_lockdown ("outb", grub_cmd_write, + N_("PORT VALUE [MASK]"), + N_("Write 8-bit VALUE to PORT.")); + cmd_write_word = + grub_register_command_lockdown ("outw", grub_cmd_write, + N_("PORT VALUE [MASK]"), + N_("Write 16-bit VALUE to PORT.")); + cmd_write_dword = + grub_register_command_lockdown ("outl", grub_cmd_write, + N_("ADDR VALUE [MASK]"), + N_("Write 32-bit VALUE to PORT.")); +} + +GRUB_MOD_FINI(memrw) +{ + grub_unregister_extcmd (cmd_read_byte); + grub_unregister_extcmd (cmd_read_word); + grub_unregister_extcmd (cmd_read_dword); + grub_unregister_command (cmd_write_byte); + grub_unregister_command (cmd_write_word); + grub_unregister_command (cmd_write_dword); +} diff --git a/grub-core/commands/keylayouts.c b/grub-core/commands/keylayouts.c new file mode 100644 index 0000000..c05d612 --- /dev/null +++ b/grub-core/commands/keylayouts.c @@ -0,0 +1,307 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2002,2003,2005,2007,2008,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/term.h> +#include <grub/err.h> +#include <grub/mm.h> +#include <grub/misc.h> +#include <grub/env.h> +#include <grub/time.h> +#include <grub/dl.h> +#include <grub/keyboard_layouts.h> +#include <grub/command.h> +#include <grub/i18n.h> +#include <grub/file.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static struct grub_keyboard_layout layout_us = { + .keyboard_map = { + /* Keyboard errors. Handled by driver. */ + /* 0x00 */ 0, 0, 0, 0, + + /* 0x04 */ 'a', 'b', 'c', 'd', + /* 0x08 */ 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', + /* 0x10 */ 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', + /* 0x18 */ 'u', 'v', 'w', 'x', 'y', 'z', '1', '2', + /* 0x20 */ '3', '4', '5', '6', '7', '8', '9', '0', + /* 0x28 */ '\n', GRUB_TERM_ESC, GRUB_TERM_BACKSPACE, GRUB_TERM_TAB, ' ', '-', '=', '[', + /* According to usage table 0x31 should be mapped to '/' + but testing with real keyboard shows that 0x32 is remapped to '/'. + Map 0x31 to 0. + */ + /* 0x30 */ ']', 0, '\\', ';', '\'', '`', ',', '.', + /* 0x39 is CapsLock. Handled by driver. */ + /* 0x38 */ '/', 0, GRUB_TERM_KEY_F1, GRUB_TERM_KEY_F2, + /* 0x3c */ GRUB_TERM_KEY_F3, GRUB_TERM_KEY_F4, + /* 0x3e */ GRUB_TERM_KEY_F5, GRUB_TERM_KEY_F6, + /* 0x40 */ GRUB_TERM_KEY_F7, GRUB_TERM_KEY_F8, + /* 0x42 */ GRUB_TERM_KEY_F9, GRUB_TERM_KEY_F10, + /* 0x44 */ GRUB_TERM_KEY_F11, GRUB_TERM_KEY_F12, + /* PrtScr and ScrollLock. Not handled yet. */ + /* 0x46 */ 0, 0, + /* 0x48 is Pause. Not handled yet. */ + /* 0x48 */ 0, GRUB_TERM_KEY_INSERT, + /* 0x4a */ GRUB_TERM_KEY_HOME, GRUB_TERM_KEY_PPAGE, + /* 0x4c */ GRUB_TERM_KEY_DC, GRUB_TERM_KEY_END, + /* 0x4e */ GRUB_TERM_KEY_NPAGE, GRUB_TERM_KEY_RIGHT, + /* 0x50 */ GRUB_TERM_KEY_LEFT, GRUB_TERM_KEY_DOWN, + /* 0x53 is NumLock. Handled by driver. */ + /* 0x52 */ GRUB_TERM_KEY_UP, 0, + /* 0x54 */ '/', '*', + /* 0x56 */ '-', '+', + /* 0x58 */ '\n', GRUB_TERM_KEY_END, + /* 0x5a */ GRUB_TERM_KEY_DOWN, GRUB_TERM_KEY_NPAGE, + /* 0x5c */ GRUB_TERM_KEY_LEFT, GRUB_TERM_KEY_CENTER, + /* 0x5e */ GRUB_TERM_KEY_RIGHT, GRUB_TERM_KEY_HOME, + /* 0x60 */ GRUB_TERM_KEY_UP, GRUB_TERM_KEY_PPAGE, + /* 0x62 */ GRUB_TERM_KEY_INSERT, GRUB_TERM_KEY_DC, + /* 0x64 */ '\\' + }, + .keyboard_map_shift = { + /* Keyboard errors. Handled by driver. */ + /* 0x00 */ 0, 0, 0, 0, + + /* 0x04 */ 'A', 'B', 'C', 'D', + /* 0x08 */ 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', + /* 0x10 */ 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', + /* 0x18 */ 'U', 'V', 'W', 'X', 'Y', 'Z', '!', '@', + /* 0x20 */ '#', '$', '%', '^', '&', '*', '(', ')', + /* 0x28 */ '\n' | GRUB_TERM_SHIFT, GRUB_TERM_ESC | GRUB_TERM_SHIFT, + /* 0x2a */ GRUB_TERM_BACKSPACE | GRUB_TERM_SHIFT, GRUB_TERM_TAB | GRUB_TERM_SHIFT, + /* 0x2c */ ' ' | GRUB_TERM_SHIFT, '_', '+', '{', + /* According to usage table 0x31 should be mapped to '/' + but testing with real keyboard shows that 0x32 is remapped to '/'. + Map 0x31 to 0. + */ + /* 0x30 */ '}', 0, '|', ':', '"', '~', '<', '>', + /* 0x39 is CapsLock. Handled by driver. */ + /* 0x38 */ '?', 0, + /* 0x3a */ GRUB_TERM_KEY_F1 | GRUB_TERM_SHIFT, + /* 0x3b */ GRUB_TERM_KEY_F2 | GRUB_TERM_SHIFT, + /* 0x3c */ GRUB_TERM_KEY_F3 | GRUB_TERM_SHIFT, + /* 0x3d */ GRUB_TERM_KEY_F4 | GRUB_TERM_SHIFT, + /* 0x3e */ GRUB_TERM_KEY_F5 | GRUB_TERM_SHIFT, + /* 0x3f */ GRUB_TERM_KEY_F6 | GRUB_TERM_SHIFT, + /* 0x40 */ GRUB_TERM_KEY_F7 | GRUB_TERM_SHIFT, + /* 0x41 */ GRUB_TERM_KEY_F8 | GRUB_TERM_SHIFT, + /* 0x42 */ GRUB_TERM_KEY_F9 | GRUB_TERM_SHIFT, + /* 0x43 */ GRUB_TERM_KEY_F10 | GRUB_TERM_SHIFT, + /* 0x44 */ GRUB_TERM_KEY_F11 | GRUB_TERM_SHIFT, + /* 0x45 */ GRUB_TERM_KEY_F12 | GRUB_TERM_SHIFT, + /* PrtScr and ScrollLock. Not handled yet. */ + /* 0x46 */ 0, 0, + /* 0x48 is Pause. Not handled yet. */ + /* 0x48 */ 0, GRUB_TERM_KEY_INSERT | GRUB_TERM_SHIFT, + /* 0x4a */ GRUB_TERM_KEY_HOME | GRUB_TERM_SHIFT, + /* 0x4b */ GRUB_TERM_KEY_PPAGE | GRUB_TERM_SHIFT, + /* 0x4c */ GRUB_TERM_KEY_DC | GRUB_TERM_SHIFT, + /* 0x4d */ GRUB_TERM_KEY_END | GRUB_TERM_SHIFT, + /* 0x4e */ GRUB_TERM_KEY_NPAGE | GRUB_TERM_SHIFT, + /* 0x4f */ GRUB_TERM_KEY_RIGHT | GRUB_TERM_SHIFT, + /* 0x50 */ GRUB_TERM_KEY_LEFT | GRUB_TERM_SHIFT, + /* 0x51 */ GRUB_TERM_KEY_DOWN | GRUB_TERM_SHIFT, + /* 0x53 is NumLock. Handled by driver. */ + /* 0x52 */ GRUB_TERM_KEY_UP | GRUB_TERM_SHIFT, 0, + /* 0x54 */ '/', '*', + /* 0x56 */ '-', '+', + /* 0x58 */ '\n' | GRUB_TERM_SHIFT, '1', '2', '3', '4', '5','6', '7', + /* 0x60 */ '8', '9', '0', '.', '|' + } +}; + +static struct grub_keyboard_layout *grub_current_layout = &layout_us; + +static int +map_key_core (int code, int status, int *alt_gr_consumed) +{ + *alt_gr_consumed = 0; + + if (code >= GRUB_KEYBOARD_LAYOUTS_ARRAY_SIZE) + return 0; + + if (status & GRUB_TERM_STATUS_RALT) + { + if (status & (GRUB_TERM_STATUS_LSHIFT | GRUB_TERM_STATUS_RSHIFT)) + { + if (grub_current_layout->keyboard_map_shift_l3[code]) + { + *alt_gr_consumed = 1; + return grub_current_layout->keyboard_map_shift_l3[code]; + } + } + else if (grub_current_layout->keyboard_map_l3[code]) + { + *alt_gr_consumed = 1; + return grub_current_layout->keyboard_map_l3[code]; + } + } + if (status & (GRUB_TERM_STATUS_LSHIFT | GRUB_TERM_STATUS_RSHIFT)) + return grub_current_layout->keyboard_map_shift[code]; + else + return grub_current_layout->keyboard_map[code]; +} + +unsigned +grub_term_map_key (grub_keyboard_key_t code, int status) +{ + int alt_gr_consumed = 0; + int key; + + if (code >= 0x59 && code <= 0x63 && (status & GRUB_TERM_STATUS_NUM)) + { + if (status & (GRUB_TERM_STATUS_RSHIFT | GRUB_TERM_STATUS_LSHIFT)) + status &= ~(GRUB_TERM_STATUS_RSHIFT | GRUB_TERM_STATUS_LSHIFT); + else + status |= GRUB_TERM_STATUS_RSHIFT; + } + + key = map_key_core (code, status, &alt_gr_consumed); + + if (key == 0 || key == GRUB_TERM_SHIFT) { + grub_printf ("Unknown key 0x%x detected\n", code); + return GRUB_TERM_NO_KEY; + } + + if (status & GRUB_TERM_STATUS_CAPS) + { + if ((key >= 'a') && (key <= 'z')) + key += 'A' - 'a'; + else if ((key >= 'A') && (key <= 'Z')) + key += 'a' - 'A'; + } + + if ((status & GRUB_TERM_STATUS_LALT) || + ((status & GRUB_TERM_STATUS_RALT) && !alt_gr_consumed)) + key |= GRUB_TERM_ALT; + if (status & (GRUB_TERM_STATUS_LCTRL | GRUB_TERM_STATUS_RCTRL)) + key |= GRUB_TERM_CTRL; + + return key; +} + +static grub_err_t +grub_cmd_keymap (struct grub_command *cmd __attribute__ ((unused)), + int argc, char *argv[]) +{ + char *filename; + grub_file_t file; + grub_uint32_t version; + grub_uint8_t magic[GRUB_KEYBOARD_LAYOUTS_FILEMAGIC_SIZE]; + struct grub_keyboard_layout *newmap = NULL; + unsigned i; + + if (argc < 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "file or layout name required"); + if (argv[0][0] != '(' && argv[0][0] != '/' && argv[0][0] != '+') + { + const char *prefix = grub_env_get ("prefix"); + if (!prefix) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("variable `%s' isn't set"), "prefix"); + filename = grub_xasprintf ("%s/layouts/%s.gkb", prefix, argv[0]); + if (!filename) + return grub_errno; + } + else + filename = argv[0]; + + file = grub_file_open (filename, GRUB_FILE_TYPE_KEYBOARD_LAYOUT); + if (! file) + goto fail; + + if (grub_file_read (file, magic, sizeof (magic)) != sizeof (magic)) + { + if (!grub_errno) + grub_error (GRUB_ERR_BAD_ARGUMENT, N_("premature end of file %s"), + filename); + goto fail; + } + + if (grub_memcmp (magic, GRUB_KEYBOARD_LAYOUTS_FILEMAGIC, + GRUB_KEYBOARD_LAYOUTS_FILEMAGIC_SIZE) != 0) + { + grub_error (GRUB_ERR_BAD_ARGUMENT, "invalid magic"); + goto fail; + } + + if (grub_file_read (file, &version, sizeof (version)) != sizeof (version)) + { + if (!grub_errno) + grub_error (GRUB_ERR_BAD_ARGUMENT, N_("premature end of file %s"), + filename); + goto fail; + } + + if (version != grub_cpu_to_le32_compile_time (GRUB_KEYBOARD_LAYOUTS_VERSION)) + { + grub_error (GRUB_ERR_BAD_ARGUMENT, "invalid version"); + goto fail; + } + + newmap = grub_malloc (sizeof (*newmap)); + if (!newmap) + goto fail; + + if (grub_file_read (file, newmap, sizeof (*newmap)) != sizeof (*newmap)) + { + if (!grub_errno) + grub_error (GRUB_ERR_BAD_ARGUMENT, N_("premature end of file %s"), + filename); + goto fail; + } + + for (i = 0; i < ARRAY_SIZE (newmap->keyboard_map); i++) + newmap->keyboard_map[i] = grub_le_to_cpu32(newmap->keyboard_map[i]); + + for (i = 0; i < ARRAY_SIZE (newmap->keyboard_map_shift); i++) + newmap->keyboard_map_shift[i] + = grub_le_to_cpu32(newmap->keyboard_map_shift[i]); + + for (i = 0; i < ARRAY_SIZE (newmap->keyboard_map_l3); i++) + newmap->keyboard_map_l3[i] + = grub_le_to_cpu32(newmap->keyboard_map_l3[i]); + + for (i = 0; i < ARRAY_SIZE (newmap->keyboard_map_shift_l3); i++) + newmap->keyboard_map_shift_l3[i] + = grub_le_to_cpu32(newmap->keyboard_map_shift_l3[i]); + + grub_current_layout = newmap; + + return GRUB_ERR_NONE; + + fail: + if (filename != argv[0]) + grub_free (filename); + grub_free (newmap); + if (file) + grub_file_close (file); + return grub_errno; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(keylayouts) +{ + cmd = grub_register_command ("keymap", grub_cmd_keymap, + 0, N_("Load a keyboard layout.")); +} + +GRUB_MOD_FINI(keylayouts) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/keystatus.c b/grub-core/commands/keystatus.c new file mode 100644 index 0000000..ff3f587 --- /dev/null +++ b/grub-core/commands/keystatus.c @@ -0,0 +1,95 @@ +/* keystatus.c - Command to check key modifier status. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/extcmd.h> +#include <grub/term.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static const struct grub_arg_option options[] = + { + /* TRANSLATORS: "Check" in a sense that if this key is pressed then + "true" is returned, otherwise "false". */ + {"shift", 's', 0, N_("Check Shift key."), 0, 0}, + {"ctrl", 'c', 0, N_("Check Control key."), 0, 0}, + {"alt", 'a', 0, N_("Check Alt key."), 0, 0}, + {0, 0, 0, 0, 0, 0} + }; + +static grub_err_t +grub_cmd_keystatus (grub_extcmd_context_t ctxt, + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) +{ + struct grub_arg_list *state = ctxt->state; + int expect_mods = 0; + int mods; + + if (state[0].set) + expect_mods |= (GRUB_TERM_STATUS_LSHIFT | GRUB_TERM_STATUS_RSHIFT); + if (state[1].set) + expect_mods |= (GRUB_TERM_STATUS_LCTRL | GRUB_TERM_STATUS_RCTRL); + if (state[2].set) + expect_mods |= (GRUB_TERM_STATUS_LALT | GRUB_TERM_STATUS_RALT); + + grub_dprintf ("keystatus", "expect_mods: %d\n", expect_mods); + + /* Without arguments, just check whether getkeystatus is supported at + all. */ + if (expect_mods == 0) + { + grub_term_input_t term; + int nterms = 0; + + FOR_ACTIVE_TERM_INPUTS (term) + if (!term->getkeystatus) + return grub_error (GRUB_ERR_TEST_FAILURE, N_("false")); + else + nterms++; + if (!nterms) + return grub_error (GRUB_ERR_TEST_FAILURE, N_("false")); + return 0; + } + + mods = grub_getkeystatus (); + grub_dprintf ("keystatus", "mods: %d\n", mods); + if (mods >= 0 && (mods & expect_mods) != 0) + return 0; + else + return grub_error (GRUB_ERR_TEST_FAILURE, N_("false")); +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT(keystatus) +{ + cmd = grub_register_extcmd ("keystatus", grub_cmd_keystatus, 0, + "[--shift] [--ctrl] [--alt]", + /* TRANSLATORS: there are 3 modifiers. */ + N_("Check key modifier status."), + options); +} + +GRUB_MOD_FINI(keystatus) +{ + grub_unregister_extcmd (cmd); +} diff --git a/grub-core/commands/legacycfg.c b/grub-core/commands/legacycfg.c new file mode 100644 index 0000000..cc5971f --- /dev/null +++ b/grub-core/commands/legacycfg.c @@ -0,0 +1,912 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2000, 2001, 2010 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/types.h> +#include <grub/misc.h> +#include <grub/command.h> +#include <grub/mm.h> +#include <grub/err.h> +#include <grub/dl.h> +#include <grub/file.h> +#include <grub/normal.h> +#include <grub/script_sh.h> +#include <grub/i18n.h> +#include <grub/term.h> +#include <grub/legacy_parse.h> +#include <grub/crypto.h> +#include <grub/auth.h> +#include <grub/disk.h> +#include <grub/partition.h> +#include <grub/safemath.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +/* Helper for legacy_file. */ +static grub_err_t +legacy_file_getline (char **line, int cont __attribute__ ((unused)), + void *data __attribute__ ((unused))) +{ + *line = 0; + return GRUB_ERR_NONE; +} + +static grub_err_t +legacy_file (const char *filename) +{ + grub_file_t file; + char *entryname = NULL, *entrysrc = NULL; + grub_menu_t menu; + char *suffix = grub_strdup (""); + + if (!suffix) + return grub_errno; + + file = grub_file_open (filename, GRUB_FILE_TYPE_CONFIG); + if (! file) + { + grub_free (suffix); + return grub_errno; + } + + menu = grub_env_get_menu (); + if (! menu) + { + menu = grub_zalloc (sizeof (*menu)); + if (! menu) + { + grub_free (suffix); + return grub_errno; + } + + grub_env_set_menu (menu); + } + + while (1) + { + char *buf = grub_file_getline (file); + char *parsed = NULL; + + if (!buf && grub_errno) + { + grub_file_close (file); + grub_free (suffix); + return grub_errno; + } + + if (!buf) + break; + + { + char *oldname = NULL; + char *newsuffix; + char *ptr; + + for (ptr = buf; *ptr && grub_isspace (*ptr); ptr++); + + oldname = entryname; + parsed = grub_legacy_parse (ptr, &entryname, &newsuffix); + grub_free (buf); + buf = NULL; + if (newsuffix) + { + char *t; + grub_size_t sz; + + if (grub_add (grub_strlen (suffix), grub_strlen (newsuffix), &sz) || + grub_add (sz, 1, &sz)) + { + grub_errno = GRUB_ERR_OUT_OF_RANGE; + goto fail_0; + } + + t = suffix; + suffix = grub_realloc (suffix, sz); + if (!suffix) + { + grub_free (t); + + fail_0: + grub_free (entrysrc); + grub_free (parsed); + grub_free (newsuffix); + grub_free (suffix); + return grub_errno; + } + grub_memcpy (suffix + grub_strlen (suffix), newsuffix, + grub_strlen (newsuffix) + 1); + grub_free (newsuffix); + newsuffix = NULL; + } + if (oldname != entryname && oldname) + { + const char **args = grub_malloc (sizeof (args[0])); + if (!args) + { + grub_file_close (file); + return grub_errno; + } + args[0] = oldname; + grub_normal_add_menu_entry (1, args, NULL, NULL, "legacy", + NULL, NULL, + entrysrc, 0); + grub_free (args); + entrysrc[0] = 0; + grub_free (oldname); + } + } + + if (parsed && !entryname) + { + grub_normal_parse_line (parsed, legacy_file_getline, NULL); + grub_print_error (); + grub_free (parsed); + parsed = NULL; + } + else if (parsed) + { + if (!entrysrc) + entrysrc = parsed; + else + { + char *t; + grub_size_t sz; + + if (grub_add (grub_strlen (entrysrc), grub_strlen (parsed), &sz) || + grub_add (sz, 1, &sz)) + { + grub_errno = GRUB_ERR_OUT_OF_RANGE; + goto fail_1; + } + + t = entrysrc; + entrysrc = grub_realloc (entrysrc, sz); + if (!entrysrc) + { + grub_free (t); + + fail_1: + grub_free (parsed); + grub_free (suffix); + return grub_errno; + } + grub_memcpy (entrysrc + grub_strlen (entrysrc), parsed, + grub_strlen (parsed) + 1); + grub_free (parsed); + parsed = NULL; + } + } + } + grub_file_close (file); + + if (entryname) + { + const char **args = grub_malloc (sizeof (args[0])); + if (!args) + { + grub_file_close (file); + grub_free (suffix); + grub_free (entrysrc); + return grub_errno; + } + args[0] = entryname; + grub_normal_add_menu_entry (1, args, NULL, NULL, NULL, + NULL, NULL, entrysrc, 0); + grub_free (args); + } + + grub_normal_parse_line (suffix, legacy_file_getline, NULL); + grub_print_error (); + grub_free (suffix); + grub_free (entrysrc); + + return GRUB_ERR_NONE; +} + +static grub_err_t +grub_cmd_legacy_source (struct grub_command *cmd, + int argc, char **args) +{ + int new_env, extractor; + grub_err_t ret; + + if (argc != 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected")); + + extractor = (cmd->name[0] == 'e'); + new_env = (cmd->name[extractor ? (sizeof ("extract_legacy_entries_") - 1) + : (sizeof ("legacy_") - 1)] == 'c'); + + if (new_env) + grub_cls (); + + if (new_env && !extractor) + grub_env_context_open (); + if (extractor) + grub_env_extractor_open (!new_env); + + ret = legacy_file (args[0]); + + if (new_env) + { + grub_menu_t menu; + menu = grub_env_get_menu (); + if (menu && menu->size) + grub_show_menu (menu, 1, 0); + if (!extractor) + grub_env_context_close (); + } + if (extractor) + grub_env_extractor_close (!new_env); + + return ret; +} + +static enum + { + GUESS_IT, LINUX, MULTIBOOT, KFREEBSD, KNETBSD, KOPENBSD + } kernel_type; + +static grub_err_t +grub_cmd_legacy_kernel (struct grub_command *mycmd __attribute__ ((unused)), + int argc, char **args) +{ + int i; +#ifdef TODO + int no_mem_option = 0; +#endif + struct grub_command *cmd; + char **cutargs; + int cutargc; + grub_err_t err = GRUB_ERR_NONE; + + for (i = 0; i < 2; i++) + { + /* FIXME: really support this. */ + if (argc >= 1 && grub_strcmp (args[0], "--no-mem-option") == 0) + { +#ifdef TODO + no_mem_option = 1; +#endif + argc--; + args++; + continue; + } + + /* linux16 handles both zImages and bzImages. */ + if (argc >= 1 && (grub_strcmp (args[0], "--type=linux") == 0 + || grub_strcmp (args[0], "--type=biglinux") == 0)) + { + kernel_type = LINUX; + argc--; + args++; + continue; + } + + if (argc >= 1 && grub_strcmp (args[0], "--type=multiboot") == 0) + { + kernel_type = MULTIBOOT; + argc--; + args++; + continue; + } + + if (argc >= 1 && grub_strcmp (args[0], "--type=freebsd") == 0) + { + kernel_type = KFREEBSD; + argc--; + args++; + continue; + } + + if (argc >= 1 && grub_strcmp (args[0], "--type=openbsd") == 0) + { + kernel_type = KOPENBSD; + argc--; + args++; + continue; + } + + if (argc >= 1 && grub_strcmp (args[0], "--type=netbsd") == 0) + { + kernel_type = KNETBSD; + argc--; + args++; + continue; + } + } + + if (argc < 2) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected")); + + cutargs = grub_calloc (argc - 1, sizeof (cutargs[0])); + if (!cutargs) + return grub_errno; + cutargc = argc - 1; + grub_memcpy (cutargs + 1, args + 2, sizeof (cutargs[0]) * (argc - 2)); + cutargs[0] = args[0]; + + do + { + /* First try Linux. */ + if (kernel_type == GUESS_IT || kernel_type == LINUX) + { +#ifdef GRUB_MACHINE_PCBIOS + cmd = grub_command_find ("linux16"); +#else + cmd = grub_command_find ("linux"); +#endif + if (cmd) + { + if (!(cmd->func) (cmd, cutargc, cutargs)) + { + kernel_type = LINUX; + goto out; + } + } + grub_errno = GRUB_ERR_NONE; + } + + /* Then multiboot. */ + if (kernel_type == GUESS_IT || kernel_type == MULTIBOOT) + { + cmd = grub_command_find ("multiboot"); + if (cmd) + { + if (!(cmd->func) (cmd, argc, args)) + { + kernel_type = MULTIBOOT; + goto out; + } + } + grub_errno = GRUB_ERR_NONE; + } + + { + int bsd_device = -1; + int bsd_slice = -1; + int bsd_part = -1; + { + grub_device_t dev; + const char *hdbiasstr; + int hdbias = 0; + hdbiasstr = grub_env_get ("legacy_hdbias"); + if (hdbiasstr) + { + hdbias = grub_strtoul (hdbiasstr, 0, 0); + grub_errno = GRUB_ERR_NONE; + } + dev = grub_device_open (0); + if (dev && dev->disk + && dev->disk->dev->id == GRUB_DISK_DEVICE_BIOSDISK_ID + && dev->disk->id >= 0x80 && dev->disk->id <= 0x90) + { + struct grub_partition *part = dev->disk->partition; + bsd_device = dev->disk->id - 0x80 - hdbias; + if (part && (grub_strcmp (part->partmap->name, "netbsd") == 0 + || grub_strcmp (part->partmap->name, "openbsd") == 0 + || grub_strcmp (part->partmap->name, "bsd") == 0)) + { + bsd_part = part->number; + part = part->parent; + } + if (part && grub_strcmp (part->partmap->name, "msdos") == 0) + bsd_slice = part->number; + } + if (dev) + grub_device_close (dev); + } + + /* k*BSD didn't really work well with grub-legacy. */ + if (kernel_type == GUESS_IT || kernel_type == KFREEBSD) + { + char buf[sizeof("adXXXXXXXXXXXXsXXXXXXXXXXXXYYY")]; + if (bsd_device != -1) + { + if (bsd_slice != -1 && bsd_part != -1) + grub_snprintf(buf, sizeof(buf), "ad%ds%d%c", bsd_device, + bsd_slice, 'a' + bsd_part); + else if (bsd_slice != -1) + grub_snprintf(buf, sizeof(buf), "ad%ds%d", bsd_device, + bsd_slice); + else + grub_snprintf(buf, sizeof(buf), "ad%d", bsd_device); + grub_env_set ("kFreeBSD.vfs.root.mountfrom", buf); + } + else + grub_env_unset ("kFreeBSD.vfs.root.mountfrom"); + cmd = grub_command_find ("kfreebsd"); + if (cmd) + { + if (!(cmd->func) (cmd, cutargc, cutargs)) + { + kernel_type = KFREEBSD; + goto out; + } + } + grub_errno = GRUB_ERR_NONE; + } + { + char **bsdargs; + int bsdargc; + char bsddevname[sizeof ("wdXXXXXXXXXXXXY")]; + int found = 0; + + if (bsd_device == -1) + { + bsdargs = cutargs; + bsdargc = cutargc; + } + else + { + char rbuf[3] = "-r"; + bsdargc = cutargc + 2; + bsdargs = grub_calloc (bsdargc, sizeof (bsdargs[0])); + if (!bsdargs) + { + err = grub_errno; + goto out; + } + grub_memcpy (bsdargs, args, argc * sizeof (bsdargs[0])); + bsdargs[argc] = rbuf; + bsdargs[argc + 1] = bsddevname; + grub_snprintf (bsddevname, sizeof (bsddevname), + "wd%d%c", bsd_device, + bsd_part != -1 ? bsd_part + 'a' : 'c'); + } + if (kernel_type == GUESS_IT || kernel_type == KNETBSD) + { + cmd = grub_command_find ("knetbsd"); + if (cmd) + { + if (!(cmd->func) (cmd, bsdargc, bsdargs)) + { + kernel_type = KNETBSD; + found = 1; + goto free_bsdargs; + } + } + grub_errno = GRUB_ERR_NONE; + } + if (kernel_type == GUESS_IT || kernel_type == KOPENBSD) + { + cmd = grub_command_find ("kopenbsd"); + if (cmd) + { + if (!(cmd->func) (cmd, bsdargc, bsdargs)) + { + kernel_type = KOPENBSD; + found = 1; + goto free_bsdargs; + } + } + grub_errno = GRUB_ERR_NONE; + } + +free_bsdargs: + if (bsdargs != cutargs) + grub_free (bsdargs); + if (found) + goto out; + } + } + } + while (0); + + err = grub_error (GRUB_ERR_BAD_OS, "couldn't load file %s", + args[0]); +out: + grub_free (cutargs); + return err; +} + +static grub_err_t +grub_cmd_legacy_initrd (struct grub_command *mycmd __attribute__ ((unused)), + int argc, char **args) +{ + struct grub_command *cmd; + + if (kernel_type == LINUX) + { +#ifdef GRUB_MACHINE_PCBIOS + cmd = grub_command_find ("initrd16"); +#else + cmd = grub_command_find ("initrd"); +#endif + if (!cmd) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("can't find command `%s'"), +#ifdef GRUB_MACHINE_PCBIOS + "initrd16" +#else + "initrd" +#endif + ); + + return cmd->func (cmd, argc ? 1 : 0, args); + } + if (kernel_type == MULTIBOOT) + { + cmd = grub_command_find ("module"); + if (!cmd) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("can't find command `%s'"), + "module"); + + return cmd->func (cmd, argc, args); + } + + return grub_error (GRUB_ERR_BAD_ARGUMENT, + N_("you need to load the kernel first")); +} + +static grub_err_t +grub_cmd_legacy_initrdnounzip (struct grub_command *mycmd __attribute__ ((unused)), + int argc, char **args) +{ + struct grub_command *cmd; + + if (kernel_type == LINUX) + { + cmd = grub_command_find ("initrd16"); + if (!cmd) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("can't find command `%s'"), + "initrd16"); + + return cmd->func (cmd, argc, args); + } + if (kernel_type == MULTIBOOT) + { + char **newargs; + grub_err_t err; + char nounzipbuf[10] = "--nounzip"; + + cmd = grub_command_find ("module"); + if (!cmd) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("can't find command `%s'"), + "module"); + + newargs = grub_calloc (argc + 1, sizeof (newargs[0])); + if (!newargs) + return grub_errno; + grub_memcpy (newargs + 1, args, argc * sizeof (newargs[0])); + newargs[0] = nounzipbuf; + + err = cmd->func (cmd, argc + 1, newargs); + grub_free (newargs); + return err; + } + + return grub_error (GRUB_ERR_BAD_ARGUMENT, + N_("you need to load the kernel first")); +} + +static grub_err_t +check_password_deny (const char *user __attribute__ ((unused)), + const char *entered __attribute__ ((unused)), + void *password __attribute__ ((unused))) +{ + return GRUB_ACCESS_DENIED; +} + +#define MD5_HASHLEN 16 + +struct legacy_md5_password +{ + grub_uint8_t *salt; + int saltlen; + grub_uint8_t hash[MD5_HASHLEN]; +}; + +static int +check_password_md5_real (const char *entered, + struct legacy_md5_password *pw) +{ + grub_size_t enteredlen = grub_strlen (entered); + unsigned char alt_result[MD5_HASHLEN]; + unsigned char *digest; + grub_uint8_t *ctx; + grub_size_t i; + int ret; + + ctx = grub_zalloc (GRUB_MD_MD5->contextsize); + if (!ctx) + return 0; + + GRUB_MD_MD5->init (ctx); + GRUB_MD_MD5->write (ctx, entered, enteredlen); + GRUB_MD_MD5->write (ctx, pw->salt + 3, pw->saltlen - 3); + GRUB_MD_MD5->write (ctx, entered, enteredlen); + digest = GRUB_MD_MD5->read (ctx); + GRUB_MD_MD5->final (ctx); + grub_memcpy (alt_result, digest, MD5_HASHLEN); + + GRUB_MD_MD5->init (ctx); + GRUB_MD_MD5->write (ctx, entered, enteredlen); + GRUB_MD_MD5->write (ctx, pw->salt, pw->saltlen); /* include the $1$ header */ + for (i = enteredlen; i > 16; i -= 16) + GRUB_MD_MD5->write (ctx, alt_result, 16); + GRUB_MD_MD5->write (ctx, alt_result, i); + + for (i = enteredlen; i > 0; i >>= 1) + GRUB_MD_MD5->write (ctx, entered + ((i & 1) ? enteredlen : 0), 1); + digest = GRUB_MD_MD5->read (ctx); + GRUB_MD_MD5->final (ctx); + + for (i = 0; i < 1000; i++) + { + grub_memcpy (alt_result, digest, 16); + + GRUB_MD_MD5->init (ctx); + if ((i & 1) != 0) + GRUB_MD_MD5->write (ctx, entered, enteredlen); + else + GRUB_MD_MD5->write (ctx, alt_result, 16); + + if (i % 3 != 0) + GRUB_MD_MD5->write (ctx, pw->salt + 3, pw->saltlen - 3); + + if (i % 7 != 0) + GRUB_MD_MD5->write (ctx, entered, enteredlen); + + if ((i & 1) != 0) + GRUB_MD_MD5->write (ctx, alt_result, 16); + else + GRUB_MD_MD5->write (ctx, entered, enteredlen); + digest = GRUB_MD_MD5->read (ctx); + GRUB_MD_MD5->final (ctx); + } + + ret = (grub_crypto_memcmp (digest, pw->hash, MD5_HASHLEN) == 0); + grub_free (ctx); + return ret; +} + +static grub_err_t +check_password_md5 (const char *user, + const char *entered, + void *password) +{ + if (!check_password_md5_real (entered, password)) + return GRUB_ACCESS_DENIED; + + grub_auth_authenticate (user); + + return GRUB_ERR_NONE; +} + +static inline int +ib64t (char c) +{ + if (c == '.') + return 0; + if (c == '/') + return 1; + if (c >= '0' && c <= '9') + return c - '0' + 2; + if (c >= 'A' && c <= 'Z') + return c - 'A' + 12; + if (c >= 'a' && c <= 'z') + return c - 'a' + 38; + return -1; +} + +static struct legacy_md5_password * +parse_legacy_md5 (int argc, char **args) +{ + const char *salt, *saltend; + struct legacy_md5_password *pw = NULL; + int i; + const char *p; + + if (grub_memcmp (args[0], "--md5", sizeof ("--md5")) != 0) + goto fail; + if (argc == 1) + goto fail; + if (grub_strlen(args[1]) <= 3) + goto fail; + salt = args[1]; + saltend = grub_strchr (salt + 3, '$'); + if (!saltend) + goto fail; + pw = grub_malloc (sizeof (*pw)); + if (!pw) + goto fail; + + p = saltend + 1; + for (i = 0; i < 5; i++) + { + int n; + grub_uint32_t w = 0; + + for (n = 0; n < 4; n++) + { + int ww = ib64t(*p++); + if (ww == -1) + goto fail; + w |= ww << (n * 6); + } + pw->hash[i == 4 ? 5 : 12+i] = w & 0xff; + pw->hash[6+i] = (w >> 8) & 0xff; + pw->hash[i] = (w >> 16) & 0xff; + } + { + int n; + grub_uint32_t w = 0; + for (n = 0; n < 2; n++) + { + int ww = ib64t(*p++); + if (ww == -1) + goto fail; + w |= ww << (6 * n); + } + if (w >= 0x100) + goto fail; + pw->hash[11] = w; + } + + pw->saltlen = saltend - salt; + pw->salt = (grub_uint8_t *) grub_strndup (salt, pw->saltlen); + if (!pw->salt) + goto fail; + + return pw; + + fail: + grub_free (pw); + return NULL; +} + +static grub_err_t +grub_cmd_legacy_password (struct grub_command *mycmd __attribute__ ((unused)), + int argc, char **args) +{ + struct legacy_md5_password *pw = NULL; + + if (argc == 0) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected")); + if (args[0][0] != '-' || args[0][1] != '-') + return grub_normal_set_password ("legacy", args[0]); + + pw = parse_legacy_md5 (argc, args); + + if (pw) + return grub_auth_register_authentication ("legacy", check_password_md5, pw); + else + /* This is to imitate minor difference between grub-legacy in GRUB2. + If 2 password commands are executed in a row and second one fails + on GRUB2 the password of first one is used, whereas in grub-legacy + authenthication is denied. In case of no password command was executed + early both versions deny any access. */ + return grub_auth_register_authentication ("legacy", check_password_deny, + NULL); +} + +int +grub_legacy_check_md5_password (int argc, char **args, + char *entered) +{ + struct legacy_md5_password *pw = NULL; + int ret; + + if (args[0][0] != '-' || args[0][1] != '-') + { + char correct[GRUB_AUTH_MAX_PASSLEN]; + + grub_memset (correct, 0, sizeof (correct)); + grub_strncpy (correct, args[0], sizeof (correct)); + + return grub_crypto_memcmp (entered, correct, GRUB_AUTH_MAX_PASSLEN) == 0; + } + + pw = parse_legacy_md5 (argc, args); + + if (!pw) + return 0; + + ret = check_password_md5_real (entered, pw); + grub_free (pw); + return ret; +} + +static grub_err_t +grub_cmd_legacy_check_password (struct grub_command *mycmd __attribute__ ((unused)), + int argc, char **args) +{ + char entered[GRUB_AUTH_MAX_PASSLEN]; + + if (argc == 0) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected")); + grub_puts_ (N_("Enter password: ")); + if (!grub_password_get (entered, GRUB_AUTH_MAX_PASSLEN)) + return GRUB_ACCESS_DENIED; + + if (!grub_legacy_check_md5_password (argc, args, + entered)) + return GRUB_ACCESS_DENIED; + + return GRUB_ERR_NONE; +} + +static grub_command_t cmd_source, cmd_configfile; +static grub_command_t cmd_source_extract, cmd_configfile_extract; +static grub_command_t cmd_kernel, cmd_initrd, cmd_initrdnounzip; +static grub_command_t cmd_password, cmd_check_password; + +GRUB_MOD_INIT(legacycfg) +{ + cmd_source + = grub_register_command ("legacy_source", + grub_cmd_legacy_source, + N_("FILE"), + /* TRANSLATORS: "legacy config" means + "config as used by grub-legacy". */ + N_("Parse legacy config in same context")); + cmd_configfile + = grub_register_command ("legacy_configfile", + grub_cmd_legacy_source, + N_("FILE"), + N_("Parse legacy config in new context")); + cmd_source_extract + = grub_register_command ("extract_legacy_entries_source", + grub_cmd_legacy_source, + N_("FILE"), + N_("Parse legacy config in same context taking only menu entries")); + cmd_configfile_extract + = grub_register_command ("extract_legacy_entries_configfile", + grub_cmd_legacy_source, + N_("FILE"), + N_("Parse legacy config in new context taking only menu entries")); + + cmd_kernel = grub_register_command ("legacy_kernel", + grub_cmd_legacy_kernel, + N_("[--no-mem-option] [--type=TYPE] FILE [ARG ...]"), + N_("Simulate grub-legacy `kernel' command")); + + cmd_initrd = grub_register_command ("legacy_initrd", + grub_cmd_legacy_initrd, + N_("FILE [ARG ...]"), + N_("Simulate grub-legacy `initrd' command")); + cmd_initrdnounzip = grub_register_command ("legacy_initrd_nounzip", + grub_cmd_legacy_initrdnounzip, + N_("FILE [ARG ...]"), + N_("Simulate grub-legacy `modulenounzip' command")); + + cmd_password = grub_register_command ("legacy_password", + grub_cmd_legacy_password, + N_("[--md5] PASSWD [FILE]"), + N_("Simulate grub-legacy `password' command")); + + cmd_check_password = grub_register_command ("legacy_check_password", + grub_cmd_legacy_check_password, + N_("[--md5] PASSWD [FILE]"), + N_("Simulate grub-legacy `password' command in menu entry mode")); + +} + +GRUB_MOD_FINI(legacycfg) +{ + grub_unregister_command (cmd_source); + grub_unregister_command (cmd_configfile); + grub_unregister_command (cmd_source_extract); + grub_unregister_command (cmd_configfile_extract); + + grub_unregister_command (cmd_kernel); + grub_unregister_command (cmd_initrd); + grub_unregister_command (cmd_initrdnounzip); + + grub_unregister_command (cmd_password); + grub_unregister_command (cmd_check_password); +} diff --git a/grub-core/commands/loadenv.c b/grub-core/commands/loadenv.c new file mode 100644 index 0000000..3fd664a --- /dev/null +++ b/grub-core/commands/loadenv.c @@ -0,0 +1,470 @@ +/* loadenv.c - command to load/save environment variable. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008,2009,2010 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/mm.h> +#include <grub/file.h> +#include <grub/disk.h> +#include <grub/misc.h> +#include <grub/env.h> +#include <grub/partition.h> +#include <grub/lib/envblk.h> +#include <grub/extcmd.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static const struct grub_arg_option options[] = + { + /* TRANSLATORS: This option is used to override default filename + for loading and storing environment. */ + {"file", 'f', 0, N_("Specify filename."), 0, ARG_TYPE_PATHNAME}, + {"skip-sig", 's', 0, + N_("Skip signature-checking of the environment file."), 0, ARG_TYPE_NONE}, + {0, 0, 0, 0, 0, 0} + }; + +/* Opens 'filename' with compression filters disabled. Optionally disables the + PUBKEY filter (that insists upon properly signed files) as well. PUBKEY + filter is restored before the function returns. */ +static grub_file_t +open_envblk_file (char *filename, + enum grub_file_type type) +{ + grub_file_t file; + char *buf = 0; + + if (! filename) + { + const char *prefix; + int len; + + prefix = grub_env_get ("prefix"); + if (! prefix) + { + grub_error (GRUB_ERR_FILE_NOT_FOUND, N_("variable `%s' isn't set"), "prefix"); + return 0; + } + + len = grub_strlen (prefix); + buf = grub_malloc (len + 1 + sizeof (GRUB_ENVBLK_DEFCFG)); + if (! buf) + return 0; + filename = buf; + + grub_strcpy (filename, prefix); + filename[len] = '/'; + grub_strcpy (filename + len + 1, GRUB_ENVBLK_DEFCFG); + } + + file = grub_file_open (filename, type); + + grub_free (buf); + return file; +} + +static grub_envblk_t +read_envblk_file (grub_file_t file) +{ + grub_off_t offset = 0; + char *buf; + grub_size_t size = grub_file_size (file); + grub_envblk_t envblk; + + buf = grub_malloc (size); + if (! buf) + return 0; + + while (size > 0) + { + grub_ssize_t ret; + + ret = grub_file_read (file, buf + offset, size); + if (ret <= 0) + { + grub_free (buf); + return 0; + } + + size -= ret; + offset += ret; + } + + envblk = grub_envblk_open (buf, offset); + if (! envblk) + { + grub_free (buf); + grub_error (GRUB_ERR_BAD_FILE_TYPE, "invalid environment block"); + return 0; + } + + return envblk; +} + +struct grub_env_whitelist +{ + grub_size_t len; + char **list; +}; +typedef struct grub_env_whitelist grub_env_whitelist_t; + +static int +test_whitelist_membership (const char* name, + const grub_env_whitelist_t* whitelist) +{ + grub_size_t i; + + for (i = 0; i < whitelist->len; i++) + if (grub_strcmp (name, whitelist->list[i]) == 0) + return 1; /* found it */ + + return 0; /* not found */ +} + +/* Helper for grub_cmd_load_env. */ +static int +set_var (const char *name, const char *value, void *whitelist) +{ + if (! whitelist) + { + grub_env_set (name, value); + return 0; + } + + if (test_whitelist_membership (name, + (const grub_env_whitelist_t *) whitelist)) + grub_env_set (name, value); + + return 0; +} + +static grub_err_t +grub_cmd_load_env (grub_extcmd_context_t ctxt, int argc, char **args) +{ + struct grub_arg_list *state = ctxt->state; + grub_file_t file; + grub_envblk_t envblk; + grub_env_whitelist_t whitelist; + + whitelist.len = argc; + whitelist.list = args; + + /* state[0] is the -f flag; state[1] is the --skip-sig flag */ + file = open_envblk_file ((state[0].set) ? state[0].arg : 0, + GRUB_FILE_TYPE_LOADENV + | (state[1].set + ? GRUB_FILE_TYPE_SKIP_SIGNATURE : GRUB_FILE_TYPE_NONE)); + if (! file) + return grub_errno; + + envblk = read_envblk_file (file); + if (! envblk) + goto fail; + + /* argc > 0 indicates caller provided a whitelist of variables to read. */ + grub_envblk_iterate (envblk, argc > 0 ? &whitelist : 0, set_var); + grub_envblk_close (envblk); + + fail: + grub_file_close (file); + return grub_errno; +} + +/* Print all variables in current context. */ +static int +print_var (const char *name, const char *value, + void *hook_data __attribute__ ((unused))) +{ + grub_printf ("%s=%s\n", name, value); + return 0; +} + +static grub_err_t +grub_cmd_list_env (grub_extcmd_context_t ctxt, + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) +{ + struct grub_arg_list *state = ctxt->state; + grub_file_t file; + grub_envblk_t envblk; + + file = open_envblk_file ((state[0].set) ? state[0].arg : 0, + GRUB_FILE_TYPE_LOADENV + | (state[1].set + ? GRUB_FILE_TYPE_SKIP_SIGNATURE : GRUB_FILE_TYPE_NONE)); + if (! file) + return grub_errno; + + envblk = read_envblk_file (file); + if (! envblk) + goto fail; + + grub_envblk_iterate (envblk, NULL, print_var); + grub_envblk_close (envblk); + + fail: + grub_file_close (file); + return grub_errno; +} + +/* Used to maintain a variable length of blocklists internally. */ +struct blocklist +{ + grub_disk_addr_t sector; + unsigned offset; + unsigned length; + struct blocklist *next; +}; + +static void +free_blocklists (struct blocklist *p) +{ + struct blocklist *q; + + for (; p; p = q) + { + q = p->next; + grub_free (p); + } +} + +static grub_err_t +check_blocklists (grub_envblk_t envblk, struct blocklist *blocklists, + grub_file_t file) +{ + grub_size_t total_length; + grub_size_t index; + grub_disk_t disk; + grub_disk_addr_t part_start; + struct blocklist *p; + char *buf; + + /* Sanity checks. */ + total_length = 0; + for (p = blocklists; p; p = p->next) + { + struct blocklist *q; + /* Check if any pair of blocks overlap. */ + for (q = p->next; q; q = q->next) + { + grub_disk_addr_t s1, s2; + grub_disk_addr_t e1, e2; + + s1 = p->sector; + e1 = s1 + ((p->length + GRUB_DISK_SECTOR_SIZE - 1) >> GRUB_DISK_SECTOR_BITS); + + s2 = q->sector; + e2 = s2 + ((q->length + GRUB_DISK_SECTOR_SIZE - 1) >> GRUB_DISK_SECTOR_BITS); + + if (s1 < e2 && s2 < e1) + { + /* This might be actually valid, but it is unbelievable that + any filesystem makes such a silly allocation. */ + return grub_error (GRUB_ERR_BAD_FS, "malformed file"); + } + } + + total_length += p->length; + } + + if (total_length != grub_file_size (file)) + { + /* Maybe sparse, unallocated sectors. No way in GRUB. */ + return grub_error (GRUB_ERR_BAD_FILE_TYPE, "sparse file not allowed"); + } + + /* One more sanity check. Re-read all sectors by blocklists, and compare + those with the data read via a file. */ + disk = file->device->disk; + + part_start = grub_partition_get_start (disk->partition); + + buf = grub_envblk_buffer (envblk); + char *blockbuf = NULL; + grub_size_t blockbuf_len = 0; + for (p = blocklists, index = 0; p; index += p->length, p = p->next) + { + if (p->length > blockbuf_len) + { + grub_free (blockbuf); + blockbuf_len = 2 * p->length; + blockbuf = grub_malloc (blockbuf_len); + if (!blockbuf) + return grub_errno; + } + + if (grub_disk_read (disk, p->sector - part_start, + p->offset, p->length, blockbuf)) + return grub_errno; + + if (grub_memcmp (buf + index, blockbuf, p->length) != 0) + return grub_error (GRUB_ERR_FILE_READ_ERROR, "invalid blocklist"); + } + + return GRUB_ERR_NONE; +} + +static int +write_blocklists (grub_envblk_t envblk, struct blocklist *blocklists, + grub_file_t file) +{ + char *buf; + grub_disk_t disk; + grub_disk_addr_t part_start; + struct blocklist *p; + grub_size_t index; + + buf = grub_envblk_buffer (envblk); + disk = file->device->disk; + part_start = grub_partition_get_start (disk->partition); + + index = 0; + for (p = blocklists; p; index += p->length, p = p->next) + { + if (grub_disk_write (disk, p->sector - part_start, + p->offset, p->length, buf + index)) + return 0; + } + + return 1; +} + +/* Context for grub_cmd_save_env. */ +struct grub_cmd_save_env_ctx +{ + struct blocklist *head, *tail; +}; + +/* Store blocklists in a linked list. */ +static void +save_env_read_hook (grub_disk_addr_t sector, unsigned offset, unsigned length, + void *data) +{ + struct grub_cmd_save_env_ctx *ctx = data; + struct blocklist *block; + + block = grub_malloc (sizeof (*block)); + if (! block) + return; + + block->sector = sector; + block->offset = offset; + block->length = length; + + /* Slightly complicated, because the list should be FIFO. */ + block->next = 0; + if (ctx->tail) + ctx->tail->next = block; + ctx->tail = block; + if (! ctx->head) + ctx->head = block; +} + +static grub_err_t +grub_cmd_save_env (grub_extcmd_context_t ctxt, int argc, char **args) +{ + struct grub_arg_list *state = ctxt->state; + grub_file_t file; + grub_envblk_t envblk; + struct grub_cmd_save_env_ctx ctx = { + .head = 0, + .tail = 0 + }; + + if (! argc) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "no variable is specified"); + + file = open_envblk_file ((state[0].set) ? state[0].arg : 0, + GRUB_FILE_TYPE_SAVEENV + | GRUB_FILE_TYPE_SKIP_SIGNATURE); + if (! file) + return grub_errno; + + if (! file->device->disk) + { + grub_file_close (file); + return grub_error (GRUB_ERR_BAD_DEVICE, "disk device required"); + } + + file->read_hook = save_env_read_hook; + file->read_hook_data = &ctx; + envblk = read_envblk_file (file); + file->read_hook = 0; + if (! envblk) + goto fail; + + if (check_blocklists (envblk, ctx.head, file)) + goto fail; + + while (argc) + { + const char *value; + + value = grub_env_get (args[0]); + if (value) + { + if (! grub_envblk_set (envblk, args[0], value)) + { + grub_error (GRUB_ERR_BAD_ARGUMENT, "environment block too small"); + goto fail; + } + } + else + grub_envblk_delete (envblk, args[0]); + + argc--; + args++; + } + + write_blocklists (envblk, ctx.head, file); + + fail: + if (envblk) + grub_envblk_close (envblk); + free_blocklists (ctx.head); + grub_file_close (file); + return grub_errno; +} + +static grub_extcmd_t cmd_load, cmd_list, cmd_save; + +GRUB_MOD_INIT(loadenv) +{ + cmd_load = + grub_register_extcmd ("load_env", grub_cmd_load_env, 0, + N_("[-f FILE] [-s|--skip-sig] [variable_name_to_whitelist] [...]"), + N_("Load variables from environment block file."), + options); + cmd_list = + grub_register_extcmd ("list_env", grub_cmd_list_env, 0, N_("[-f FILE]"), + N_("List variables from environment block file."), + options); + cmd_save = + grub_register_extcmd ("save_env", grub_cmd_save_env, 0, + N_("[-f FILE] variable_name [...]"), + N_("Save variables to environment block file."), + options); +} + +GRUB_MOD_FINI(loadenv) +{ + grub_unregister_extcmd (cmd_load); + grub_unregister_extcmd (cmd_list); + grub_unregister_extcmd (cmd_save); +} diff --git a/grub-core/commands/ls.c b/grub-core/commands/ls.c new file mode 100644 index 0000000..8e98c73 --- /dev/null +++ b/grub-core/commands/ls.c @@ -0,0 +1,302 @@ +/* ls.c - command to list files and devices */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2003,2005,2007,2008,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/types.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/err.h> +#include <grub/dl.h> +#include <grub/disk.h> +#include <grub/device.h> +#include <grub/term.h> +#include <grub/partition.h> +#include <grub/file.h> +#include <grub/normal.h> +#include <grub/extcmd.h> +#include <grub/datetime.h> +#include <grub/i18n.h> +#include <grub/net.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static const struct grub_arg_option options[] = + { + {"long", 'l', 0, N_("Show a long list with more detailed information."), 0, 0}, + {"human-readable", 'h', 0, N_("Print sizes in a human readable format."), 0, 0}, + {"all", 'a', 0, N_("List all files."), 0, 0}, + {0, 0, 0, 0, 0, 0} + }; + +/* Helper for grub_ls_list_devices. */ +static int +grub_ls_print_devices (const char *name, void *data) +{ + int *longlist = data; + + if (*longlist) + grub_normal_print_device_info (name); + else + grub_printf ("(%s) ", name); + + return 0; +} + +static grub_err_t +grub_ls_list_devices (int longlist) +{ + grub_device_iterate (grub_ls_print_devices, &longlist); + grub_xputs ("\n"); + +#if 0 + { + grub_net_app_level_t proto; + int first = 1; + FOR_NET_APP_LEVEL (proto) + { + if (first) + grub_puts_ (N_("Network protocols:")); + first = 0; + grub_printf ("%s ", proto->name); + } + grub_xputs ("\n"); + } +#endif + + grub_refresh (); + + return 0; +} + +/* Context for grub_ls_list_files. */ +struct grub_ls_list_files_ctx +{ + char *dirname; + int all; + int human; +}; + +/* Helper for grub_ls_list_files. */ +static int +print_files (const char *filename, const struct grub_dirhook_info *info, + void *data) +{ + struct grub_ls_list_files_ctx *ctx = data; + + if (ctx->all || filename[0] != '.') + grub_printf ("%s%s ", filename, info->dir ? "/" : ""); + + return 0; +} + +/* Helper for grub_ls_list_files. */ +static int +print_files_long (const char *filename, const struct grub_dirhook_info *info, + void *data) +{ + struct grub_ls_list_files_ctx *ctx = data; + + if ((! ctx->all) && (filename[0] == '.')) + return 0; + + if (! info->dir) + { + grub_file_t file; + char *pathname; + + if (ctx->dirname[grub_strlen (ctx->dirname) - 1] == '/') + pathname = grub_xasprintf ("%s%s", ctx->dirname, filename); + else + pathname = grub_xasprintf ("%s/%s", ctx->dirname, filename); + + if (!pathname) + return 1; + + /* XXX: For ext2fs symlinks are detected as files while they + should be reported as directories. */ + file = grub_file_open (pathname, GRUB_FILE_TYPE_GET_SIZE + | GRUB_FILE_TYPE_NO_DECOMPRESS); + if (! file) + { + grub_errno = 0; + grub_free (pathname); + return 0; + } + + if (! ctx->human) + grub_printf ("%-12llu", (unsigned long long) file->size); + else + grub_printf ("%-12s", grub_get_human_size (file->size, + GRUB_HUMAN_SIZE_SHORT)); + grub_file_close (file); + grub_free (pathname); + } + else + grub_printf ("%-12s", _("DIR")); + + if (info->mtimeset) + { + struct grub_datetime datetime; + grub_unixtime2datetime (info->mtime, &datetime); + if (ctx->human) + grub_printf (" %d-%02d-%02d %02d:%02d:%02d %-11s ", + datetime.year, datetime.month, datetime.day, + datetime.hour, datetime.minute, + datetime.second, + grub_get_weekday_name (&datetime)); + else + grub_printf (" %04d%02d%02d%02d%02d%02d ", + datetime.year, datetime.month, + datetime.day, datetime.hour, + datetime.minute, datetime.second); + } + grub_printf ("%s%s\n", filename, info->dir ? "/" : ""); + + return 0; +} + +static grub_err_t +grub_ls_list_files (char *dirname, int longlist, int all, int human) +{ + char *device_name; + grub_fs_t fs; + const char *path; + grub_device_t dev; + + device_name = grub_file_get_device_name (dirname); + dev = grub_device_open (device_name); + if (! dev) + goto fail; + + fs = grub_fs_probe (dev); + path = grub_strchr (dirname, ')'); + if (! path) + path = dirname; + else + path++; + + if (! path && ! device_name) + { + grub_error (GRUB_ERR_BAD_ARGUMENT, "invalid argument"); + goto fail; + } + + if (! *path && device_name) + { + if (grub_errno == GRUB_ERR_UNKNOWN_FS) + grub_errno = GRUB_ERR_NONE; + +#ifdef GRUB_MACHINE_IEEE1275 + /* + * Close device to prevent a double open in grub_normal_print_device_info(). + * Otherwise it may lead to hangs on some IEEE 1275 platforms. + */ + grub_device_close (dev); + dev = NULL; +#endif + + grub_normal_print_device_info (device_name); + } + else if (fs) + { + struct grub_ls_list_files_ctx ctx = { + .dirname = dirname, + .all = all, + .human = human + }; + + if (longlist) + (fs->fs_dir) (dev, path, print_files_long, &ctx); + else + (fs->fs_dir) (dev, path, print_files, &ctx); + + if (grub_errno == GRUB_ERR_BAD_FILE_TYPE + && path[grub_strlen (path) - 1] != '/') + { + /* PATH might be a regular file. */ + char *p; + grub_file_t file; + struct grub_dirhook_info info; + grub_errno = 0; + + file = grub_file_open (dirname, GRUB_FILE_TYPE_GET_SIZE + | GRUB_FILE_TYPE_NO_DECOMPRESS); + if (! file) + goto fail; + + grub_file_close (file); + + p = grub_strrchr (dirname, '/') + 1; + dirname = grub_strndup (dirname, p - dirname); + if (! dirname) + goto fail; + + all = 1; + grub_memset (&info, 0, sizeof (info)); + if (longlist) + print_files_long (p, &info, &ctx); + else + print_files (p, &info, &ctx); + + grub_free (dirname); + } + + if (grub_errno == GRUB_ERR_NONE) + grub_xputs ("\n"); + + grub_refresh (); + } + + fail: + if (dev) + grub_device_close (dev); + + grub_free (device_name); + + return 0; +} + +static grub_err_t +grub_cmd_ls (grub_extcmd_context_t ctxt, int argc, char **args) +{ + struct grub_arg_list *state = ctxt->state; + int i; + + if (argc == 0) + grub_ls_list_devices (state[0].set); + else + for (i = 0; i < argc; i++) + grub_ls_list_files (args[i], state[0].set, state[2].set, + state[1].set); + + return 0; +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT(ls) +{ + cmd = grub_register_extcmd ("ls", grub_cmd_ls, 0, + N_("[-l|-h|-a] [FILE ...]"), + N_("List devices and files."), options); +} + +GRUB_MOD_FINI(ls) +{ + grub_unregister_extcmd (cmd); +} diff --git a/grub-core/commands/lsacpi.c b/grub-core/commands/lsacpi.c new file mode 100644 index 0000000..0824914 --- /dev/null +++ b/grub-core/commands/lsacpi.c @@ -0,0 +1,314 @@ +/* acpi.c - Display acpi tables. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ +#include <grub/types.h> +#include <grub/mm.h> +#include <grub/misc.h> +#include <grub/normal.h> +#include <grub/acpi.h> +#include <grub/extcmd.h> +#include <grub/i18n.h> +#include <grub/dl.h> + +#pragma GCC diagnostic ignored "-Wcast-align" + +GRUB_MOD_LICENSE ("GPLv3+"); + +static void +print_strn (grub_uint8_t *str, grub_size_t len) +{ + for (; *str && len; str++, len--) + grub_printf ("%c", *str); + for (len++; len; len--) + grub_printf (" "); +} + +#define print_field(x) print_strn(x, sizeof (x)) + +static void +disp_acpi_table (struct grub_acpi_table_header *t) +{ + print_field (t->signature); + grub_printf ("%4" PRIuGRUB_UINT32_T "B rev=%u chksum=0x%02x (%s) OEM=", t->length, t->revision, t->checksum, + grub_byte_checksum (t, t->length) == 0 ? "valid" : "invalid"); + print_field (t->oemid); + print_field (t->oemtable); + grub_printf ("OEMrev=%08" PRIxGRUB_UINT32_T " ", t->oemrev); + print_field (t->creator_id); + grub_printf (" %08" PRIxGRUB_UINT32_T "\n", t->creator_rev); +} + +static void +disp_madt_table (struct grub_acpi_madt *t) +{ + struct grub_acpi_madt_entry_header *d; + grub_uint32_t len; + + disp_acpi_table (&t->hdr); + grub_printf ("Local APIC=%08" PRIxGRUB_UINT32_T " Flags=%08" + PRIxGRUB_UINT32_T "\n", + t->lapic_addr, t->flags); + len = t->hdr.length - sizeof (struct grub_acpi_madt); + d = t->entries; + for (;len > 0; len -= d->len, d = (void *) ((grub_uint8_t *) d + d->len)) + { + switch (d->type) + { + case GRUB_ACPI_MADT_ENTRY_TYPE_LAPIC: + { + struct grub_acpi_madt_entry_lapic *dt = (void *) d; + grub_printf (" LAPIC ACPI_ID=%02x APIC_ID=%02x Flags=%08x\n", + dt->acpiid, dt->apicid, dt->flags); + if (dt->hdr.len != sizeof (*dt)) + grub_printf (" table size mismatch %d != %d\n", dt->hdr.len, + (int) sizeof (*dt)); + break; + } + + case GRUB_ACPI_MADT_ENTRY_TYPE_IOAPIC: + { + struct grub_acpi_madt_entry_ioapic *dt = (void *) d; + grub_printf (" IOAPIC ID=%02x address=%08x GSI=%08x\n", + dt->id, dt->address, dt->global_sys_interrupt); + if (dt->hdr.len != sizeof (*dt)) + grub_printf (" table size mismatch %d != %d\n", dt->hdr.len, + (int) sizeof (*dt)); + if (dt->pad) + grub_printf (" non-zero pad: %02x\n", dt->pad); + break; + } + + case GRUB_ACPI_MADT_ENTRY_TYPE_INTERRUPT_OVERRIDE: + { + struct grub_acpi_madt_entry_interrupt_override *dt = (void *) d; + grub_printf (" Int Override bus=%x src=%x GSI=%08x Flags=%04x\n", + dt->bus, dt->source, dt->global_sys_interrupt, + dt->flags); + if (dt->hdr.len != sizeof (*dt)) + grub_printf (" table size mismatch %d != %d\n", dt->hdr.len, + (int) sizeof (*dt)); + } + break; + + case GRUB_ACPI_MADT_ENTRY_TYPE_LAPIC_NMI: + { + struct grub_acpi_madt_entry_lapic_nmi *dt = (void *) d; + grub_printf (" LAPIC_NMI ACPI_ID=%02x Flags=%04x lint=%02x\n", + dt->acpiid, dt->flags, dt->lint); + if (dt->hdr.len != sizeof (*dt)) + grub_printf (" table size mismatch %d != %d\n", dt->hdr.len, + (int) sizeof (*dt)); + break; + } + + case GRUB_ACPI_MADT_ENTRY_TYPE_SAPIC: + { + struct grub_acpi_madt_entry_sapic *dt = (void *) d; + grub_printf (" IOSAPIC Id=%02x GSI=%08x Addr=%016" PRIxGRUB_UINT64_T + "\n", + dt->id, dt->global_sys_interrupt_base, + dt->addr); + if (dt->hdr.len != sizeof (*dt)) + grub_printf (" table size mismatch %d != %d\n", dt->hdr.len, + (int) sizeof (*dt)); + if (dt->pad) + grub_printf (" non-zero pad: %02x\n", dt->pad); + + } + break; + case GRUB_ACPI_MADT_ENTRY_TYPE_LSAPIC: + { + struct grub_acpi_madt_entry_lsapic *dt = (void *) d; + grub_printf (" LSAPIC ProcId=%02x ID=%02x EID=%02x Flags=%x", + dt->cpu_id, dt->id, dt->eid, dt->flags); + if (dt->flags & GRUB_ACPI_MADT_ENTRY_SAPIC_FLAGS_ENABLED) + grub_printf (" Enabled\n"); + else + grub_printf (" Disabled\n"); + if (d->len > sizeof (struct grub_acpi_madt_entry_sapic)) + grub_printf (" UID val=%08x, Str=%s\n", dt->cpu_uid, + dt->cpu_uid_str); + if (dt->hdr.len != sizeof (*dt) + grub_strlen ((char *) dt->cpu_uid_str) + 1) + grub_printf (" table size mismatch %d != %d\n", dt->hdr.len, + (int) sizeof (*dt)); + if (dt->pad[0] || dt->pad[1] || dt->pad[2]) + grub_printf (" non-zero pad: %02x%02x%02x\n", dt->pad[0], dt->pad[1], dt->pad[2]); + } + break; + case GRUB_ACPI_MADT_ENTRY_TYPE_PLATFORM_INT_SOURCE: + { + struct grub_acpi_madt_entry_platform_int_source *dt = (void *) d; + static const char * const platint_type[] = + {"Nul", "PMI", "INIT", "CPEI"}; + + grub_printf (" Platform INT flags=%04x type=%02x (%s)" + " ID=%02x EID=%02x\n", + dt->flags, dt->inttype, + (dt->inttype < ARRAY_SIZE (platint_type)) + ? platint_type[dt->inttype] : "??", dt->cpu_id, + dt->cpu_eid); + grub_printf (" IOSAPIC Vec=%02x GSI=%08x source flags=%08x\n", + dt->sapic_vector, dt->global_sys_int, dt->src_flags); + } + break; + default: + grub_printf (" type=%x l=%u ", d->type, d->len); + grub_printf (" ??\n"); + } + } +} + +static void +disp_acpi_xsdt_table (struct grub_acpi_table_header *t) +{ + grub_uint32_t len; + grub_uint64_t *desc; + + disp_acpi_table (t); + len = t->length - sizeof (*t); + desc = (grub_uint64_t *) (t + 1); + for (; len >= sizeof (*desc); desc++, len -= sizeof (*desc)) + { +#if GRUB_CPU_SIZEOF_VOID_P == 4 + if (*desc >= (1ULL << 32)) + { + grub_printf ("Unreachable table\n"); + continue; + } +#endif + t = (struct grub_acpi_table_header *) (grub_addr_t) *desc; + + if (t == NULL) + continue; + + if (grub_memcmp (t->signature, GRUB_ACPI_MADT_SIGNATURE, + sizeof (t->signature)) == 0) + disp_madt_table ((struct grub_acpi_madt *) t); + else + disp_acpi_table (t); + } +} + +static void +disp_acpi_rsdt_table (struct grub_acpi_table_header *t) +{ + grub_uint32_t len; + grub_uint32_t *desc; + + disp_acpi_table (t); + len = t->length - sizeof (*t); + desc = (grub_uint32_t *) (t + 1); + for (; len >= sizeof (*desc); desc++, len -= sizeof (*desc)) + { + t = (struct grub_acpi_table_header *) (grub_addr_t) *desc; + + if (t == NULL) + continue; + + if (grub_memcmp (t->signature, GRUB_ACPI_MADT_SIGNATURE, + sizeof (t->signature)) == 0) + disp_madt_table ((struct grub_acpi_madt *) t); + else + disp_acpi_table (t); + } +} + +static void +disp_acpi_rsdpv1 (struct grub_acpi_rsdp_v10 *rsdp) +{ + print_field (rsdp->signature); + grub_printf ("chksum:%02x (%s), OEM-ID: ", rsdp->checksum, grub_byte_checksum (rsdp, sizeof (*rsdp)) == 0 ? "valid" : "invalid"); + print_field (rsdp->oemid); + grub_printf ("rev=%d\n", rsdp->revision); + grub_printf ("RSDT=%08" PRIxGRUB_UINT32_T "\n", rsdp->rsdt_addr); +} + +static void +disp_acpi_rsdpv2 (struct grub_acpi_rsdp_v20 *rsdp) +{ + disp_acpi_rsdpv1 (&rsdp->rsdpv1); + grub_printf ("len=%d chksum=%02x (%s) XSDT=%016" PRIxGRUB_UINT64_T "\n", rsdp->length, rsdp->checksum, grub_byte_checksum (rsdp, rsdp->length) == 0 ? "valid" : "invalid", + rsdp->xsdt_addr); + if (rsdp->length != sizeof (*rsdp)) + grub_printf (" length mismatch %d != %d\n", rsdp->length, + (int) sizeof (*rsdp)); + if (rsdp->reserved[0] || rsdp->reserved[1] || rsdp->reserved[2]) + grub_printf (" non-zero reserved %02x%02x%02x\n", rsdp->reserved[0], rsdp->reserved[1], rsdp->reserved[2]); +} + +static const struct grub_arg_option options[] = { + {"v1", '1', 0, N_("Show version 1 tables only."), 0, ARG_TYPE_NONE}, + {"v2", '2', 0, N_("Show version 2 and version 3 tables only."), 0, ARG_TYPE_NONE}, + {0, 0, 0, 0, 0, 0} +}; + +static grub_err_t +grub_cmd_lsacpi (struct grub_extcmd_context *ctxt, + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) +{ + if (!ctxt->state[1].set) + { + struct grub_acpi_rsdp_v10 *rsdp1 = grub_acpi_get_rsdpv1 (); + if (!rsdp1) + grub_printf ("No RSDPv1\n"); + else + { + grub_printf ("RSDPv1 signature:"); + disp_acpi_rsdpv1 (rsdp1); + disp_acpi_rsdt_table ((void *) (grub_addr_t) rsdp1->rsdt_addr); + } + } + + if (!ctxt->state[0].set) + { + struct grub_acpi_rsdp_v20 *rsdp2 = grub_acpi_get_rsdpv2 (); + if (!rsdp2) + grub_printf ("No RSDPv2\n"); + else + { +#if GRUB_CPU_SIZEOF_VOID_P == 4 + if (rsdp2->xsdt_addr >= (1ULL << 32)) + grub_printf ("Unreachable RSDPv2\n"); + else +#endif + { + grub_printf ("RSDPv2 signature:"); + disp_acpi_rsdpv2 (rsdp2); + disp_acpi_xsdt_table ((void *) (grub_addr_t) rsdp2->xsdt_addr); + grub_printf ("\n"); + } + } + } + return GRUB_ERR_NONE; +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT(lsapi) +{ + cmd = grub_register_extcmd ("lsacpi", grub_cmd_lsacpi, 0, "[-1|-2]", + N_("Show ACPI information."), options); +} + +GRUB_MOD_FINI(lsacpi) +{ + grub_unregister_extcmd (cmd); +} + + diff --git a/grub-core/commands/lsmmap.c b/grub-core/commands/lsmmap.c new file mode 100644 index 0000000..816ee47 --- /dev/null +++ b/grub-core/commands/lsmmap.c @@ -0,0 +1,85 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/command.h> +#include <grub/i18n.h> +#include <grub/memory.h> +#include <grub/mm.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +#ifndef GRUB_MACHINE_EMU +static const char *names[] = + { + [GRUB_MEMORY_AVAILABLE] = N_("available RAM"), + [GRUB_MEMORY_RESERVED] = N_("reserved RAM"), + /* TRANSLATORS: this refers to memory where ACPI tables are stored + and which can be used by OS once it loads ACPI tables. */ + [GRUB_MEMORY_ACPI] = N_("ACPI reclaimable RAM"), + /* TRANSLATORS: this refers to memory which ACPI-compliant OS + is required to save accross hibernations. */ + [GRUB_MEMORY_NVS] = N_("ACPI non-volatile storage RAM"), + [GRUB_MEMORY_BADRAM] = N_("faulty RAM (BadRAM)"), + [GRUB_MEMORY_PERSISTENT] = N_("persistent RAM"), + [GRUB_MEMORY_PERSISTENT_LEGACY] = N_("persistent RAM (legacy)"), + [GRUB_MEMORY_COREBOOT_TABLES] = N_("RAM holding coreboot tables"), + [GRUB_MEMORY_CODE] = N_("RAM holding firmware code") + }; + +/* Helper for grub_cmd_lsmmap. */ +static int +lsmmap_hook (grub_uint64_t addr, grub_uint64_t size, grub_memory_type_t type, + void *data __attribute__ ((unused))) +{ + if (type < (int) ARRAY_SIZE (names) && type >= 0 && names[type]) + grub_printf_ (N_("base_addr = 0x%llx, length = 0x%llx, %s\n"), + (long long) addr, (long long) size, _(names[type])); + else + grub_printf_ (N_("base_addr = 0x%llx, length = 0x%llx, type = 0x%x\n"), + (long long) addr, (long long) size, type); + return 0; +} +#endif + +static grub_err_t +grub_cmd_lsmmap (grub_command_t cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) + +{ +#ifndef GRUB_MACHINE_EMU + grub_machine_mmap_iterate (lsmmap_hook, NULL); +#endif + + return 0; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(lsmmap) +{ + cmd = grub_register_command ("lsmmap", grub_cmd_lsmmap, + 0, N_("List memory map provided by firmware.")); +} + +GRUB_MOD_FINI(lsmmap) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/lspci.c b/grub-core/commands/lspci.c new file mode 100644 index 0000000..65213a3 --- /dev/null +++ b/grub-core/commands/lspci.c @@ -0,0 +1,238 @@ +/* lspci.c - List PCI devices. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008, 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/pci.h> +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/extcmd.h> +#include <grub/i18n.h> +#include <grub/mm.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +struct grub_pci_classname +{ + int class; + int subclass; + const char *desc; +}; + +static const struct grub_pci_classname grub_pci_classes[] = + { + { 0, 0, "" }, + { 1, 0, "SCSI Controller" }, + { 1, 1, "IDE Controller" }, + { 1, 2, "Floppy Controller" }, + { 1, 3, "IPI Controller" }, + { 1, 4, "RAID Controller" }, + { 1, 6, "SATA Controller" }, + { 1, 0x80, "Mass storage Controller" }, + { 2, 0, "Ethernet Controller" }, + { 2, 1, "Token Ring Controller" }, + { 2, 2, "FDDI Controller" }, + { 2, 3, "ATM Controller" }, + { 2, 4, "ISDN Controller" }, + { 2, 0x80, "Network controller" }, + { 3, 0, "VGA Controller" }, + { 3, 1, "XGA Controller" }, + { 3, 2, "3D Controller" }, + { 3, 0x80, "Display Controller" }, + { 4, 0, "Multimedia Video Device" }, + { 4, 1, "Multimedia Audio Device" }, + { 4, 2, "Multimedia Telephony Device" }, + { 4, 0x80, "Multimedia device" }, + { 5, 0, "RAM Controller" }, + { 5, 1, "Flash Memory Controller" }, + { 5, 0x80, "Memory Controller" }, + { 6, 0, "Host Bridge" }, + { 6, 1, "ISA Bridge" }, + { 6, 2, "EISA Bride" }, + { 6, 3, "MCA Bridge" }, + { 6, 4, "PCI-PCI Bridge" }, + { 6, 5, "PCMCIA Bridge" }, + { 6, 6, "NuBus Bridge" }, + { 6, 7, "CardBus Bridge" }, + { 6, 8, "Raceway Bridge" }, + { 6, 0x80, "Unknown Bridge" }, + { 7, 0x80, "Communication controller" }, + { 8, 0x80, "System hardware" }, + { 9, 0, "Keyboard Controller" }, + { 9, 1, "Digitizer" }, + { 9, 2, "Mouse Controller" }, + { 9, 3, "Scanner Controller" }, + { 9, 4, "Gameport Controller" }, + { 9, 0x80, "Unknown Input Device" }, + { 10, 0, "Generic Docking Station" }, + { 10, 0x80, "Unknown Docking Station" }, + { 11, 0, "80386 Processor" }, + { 11, 1, "80486 Processor" }, + { 11, 2, "Pentium Processor" }, + { 11, 0x10, "Alpha Processor" }, + { 11, 0x20, "PowerPC Processor" }, + { 11, 0x30, "MIPS Processor" }, + { 11, 0x40, "Co-Processor" }, + { 11, 0x80, "Unknown Processor" }, + { 12, 3, "USB Controller" }, + { 12, 0x80, "Serial Bus Controller" }, + { 13, 0x80, "Wireless Controller" }, + { 14, 0, "I2O" }, + { 15, 0, "IrDA Controller" }, + { 15, 1, "Consumer IR" }, + { 15, 0x10, "RF-Controller" }, + { 15, 0x80, "Satellite Communication Controller" }, + { 16, 0, "Network Decryption" }, + { 16, 1, "Entertainment Decryption" }, + { 16, 0x80, "Unknown Decryption Controller" }, + { 17, 0, "Digital IO Module" }, + { 17, 0x80, "Unknown Data Input System" }, + { 0, 0, 0 }, + }; + +static const char * +grub_pci_get_class (int class, int subclass) +{ + const struct grub_pci_classname *curr = grub_pci_classes; + + while (curr->desc) + { + if (curr->class == class && curr->subclass == subclass) + return curr->desc; + curr++; + } + + return 0; +} + +static const struct grub_arg_option options[] = + { + {"iospace", 'i', 0, "show I/O spaces", 0, 0}, + {0, 0, 0, 0, 0, 0} + }; + +static int iospace; + +static int +grub_lspci_iter (grub_pci_device_t dev, grub_pci_id_t pciid, + void *data __attribute__ ((unused))) +{ + grub_uint32_t class; + const char *sclass; + grub_pci_address_t addr; + int reg; + + grub_printf ("%02x:%02x.%x %04x:%04x", grub_pci_get_bus (dev), + grub_pci_get_device (dev), grub_pci_get_function (dev), + pciid & 0xFFFF, pciid >> 16); + addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS); + class = grub_pci_read (addr); + + /* Lookup the class name, if there isn't a specific one, + retry with 0x80 to get the generic class name. */ + sclass = grub_pci_get_class (class >> 24, (class >> 16) & 0xFF); + if (! sclass) + sclass = grub_pci_get_class (class >> 24, 0x80); + if (! sclass) + sclass = ""; + + grub_printf (" [%04x] %s", (class >> 16) & 0xffff, sclass); + + grub_uint8_t pi = (class >> 8) & 0xff; + if (pi) + grub_printf (" [PI %02x]", pi); + + grub_printf ("\n"); + + if (iospace) + { + reg = GRUB_PCI_REG_ADDRESSES; + while (reg < GRUB_PCI_REG_CIS_POINTER) + { + grub_uint64_t space; + addr = grub_pci_make_address (dev, reg); + space = grub_pci_read (addr); + + reg += sizeof (grub_uint32_t); + + if (space == 0) + continue; + + switch (space & GRUB_PCI_ADDR_SPACE_MASK) + { + case GRUB_PCI_ADDR_SPACE_IO: + grub_printf ("\tIO space %d at 0x%llx\n", + (unsigned) ((reg - GRUB_PCI_REG_ADDRESSES) + / sizeof (grub_uint32_t)) - 1, + (unsigned long long) + (space & GRUB_PCI_ADDR_IO_MASK)); + break; + case GRUB_PCI_ADDR_SPACE_MEMORY: + if ((space & GRUB_PCI_ADDR_MEM_TYPE_MASK) + == GRUB_PCI_ADDR_MEM_TYPE_64) + { + addr = grub_pci_make_address (dev, reg); + space |= ((grub_uint64_t) grub_pci_read (addr)) << 32; + reg += sizeof (grub_uint32_t); + grub_printf ("\t64-bit memory space %d at 0x%016llx [%s]\n", + (unsigned) ((reg - GRUB_PCI_REG_ADDRESSES) + / sizeof (grub_uint32_t)) - 2, + (unsigned long long) + (space & GRUB_PCI_ADDR_MEM_MASK), + space & GRUB_PCI_ADDR_MEM_PREFETCH + ? "prefetchable" : "non-prefetchable"); + + } + else + grub_printf ("\t32-bit memory space %d at 0x%016llx [%s]\n", + (unsigned) ((reg - GRUB_PCI_REG_ADDRESSES) + / sizeof (grub_uint32_t)) - 1, + (unsigned long long) + (space & GRUB_PCI_ADDR_MEM_MASK), + space & GRUB_PCI_ADDR_MEM_PREFETCH + ? "prefetchable" : "non-prefetchable"); + break; + } + } + } + + + return 0; +} + +static grub_err_t +grub_cmd_lspci (grub_extcmd_context_t ctxt, + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) +{ + iospace = ctxt->state[0].set; + grub_pci_iterate (grub_lspci_iter, NULL); + return GRUB_ERR_NONE; +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT(lspci) +{ + cmd = grub_register_extcmd ("lspci", grub_cmd_lspci, 0, "[-i]", + N_("List PCI devices."), options); +} + +GRUB_MOD_FINI(lspci) +{ + grub_unregister_extcmd (cmd); +} diff --git a/grub-core/commands/macbless.c b/grub-core/commands/macbless.c new file mode 100644 index 0000000..85cefd0 --- /dev/null +++ b/grub-core/commands/macbless.c @@ -0,0 +1,235 @@ +/* hfspbless.c - set the hfs+ boot directory. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2003,2005,2007,2008,2009,2012,2013 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/command.h> +#include <grub/fs.h> +#include <grub/misc.h> +#include <grub/dl.h> +#include <grub/device.h> +#include <grub/disk.h> +#include <grub/hfsplus.h> +#include <grub/hfs.h> +#include <grub/partition.h> +#include <grub/file.h> +#include <grub/mm.h> +#include <grub/err.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +struct find_node_context +{ + grub_uint64_t inode_found; + char *dirname; + enum + { FOUND_NONE, FOUND_FILE, FOUND_DIR } found; +}; + +static int +find_inode (const char *filename, + const struct grub_dirhook_info *info, void *data) +{ + struct find_node_context *ctx = data; + if (!info->inodeset) + return 0; + + if ((grub_strcmp (ctx->dirname, filename) == 0 + || (info->case_insensitive + && grub_strcasecmp (ctx->dirname, filename) == 0))) + { + ctx->inode_found = info->inode; + ctx->found = info->dir ? FOUND_DIR : FOUND_FILE; + } + return 0; +} + +grub_err_t +grub_mac_bless_inode (grub_device_t dev, grub_uint32_t inode, int is_dir, + int intel) +{ + grub_err_t err; + union + { + struct grub_hfs_sblock hfs; + struct grub_hfsplus_volheader hfsplus; + } volheader; + grub_disk_addr_t embedded_offset; + + if (intel && is_dir) + return grub_error (GRUB_ERR_BAD_ARGUMENT, + "can't bless a directory for mactel"); + if (!intel && !is_dir) + return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET, + "can't bless a file for mac PPC"); + + /* Read the bootblock. */ + err = grub_disk_read (dev->disk, GRUB_HFSPLUS_SBLOCK, 0, sizeof (volheader), + (char *) &volheader); + if (err) + return err; + + embedded_offset = 0; + if (grub_be_to_cpu16 (volheader.hfs.magic) == GRUB_HFS_MAGIC) + { + int extent_start; + int ablk_size; + int ablk_start; + + /* See if there's an embedded HFS+ filesystem. */ + if (grub_be_to_cpu16 (volheader.hfs.embed_sig) != GRUB_HFSPLUS_MAGIC) + { + if (intel) + volheader.hfs.intel_bootfile = grub_be_to_cpu32 (inode); + else + volheader.hfs.ppc_bootdir = grub_be_to_cpu32 (inode); + return GRUB_ERR_NONE; + } + + /* Calculate the offset needed to translate HFS+ sector numbers. */ + extent_start = + grub_be_to_cpu16 (volheader.hfs.embed_extent.first_block); + ablk_size = grub_be_to_cpu32 (volheader.hfs.blksz); + ablk_start = grub_be_to_cpu16 (volheader.hfs.first_block); + embedded_offset = (ablk_start + + ((grub_uint64_t) extent_start) + * (ablk_size >> GRUB_DISK_SECTOR_BITS)); + + err = + grub_disk_read (dev->disk, embedded_offset + GRUB_HFSPLUS_SBLOCK, 0, + sizeof (volheader), (char *) &volheader); + if (err) + return err; + } + + if ((grub_be_to_cpu16 (volheader.hfsplus.magic) != GRUB_HFSPLUS_MAGIC) + && (grub_be_to_cpu16 (volheader.hfsplus.magic) != GRUB_HFSPLUSX_MAGIC)) + return grub_error (GRUB_ERR_BAD_FS, "not a HFS+ filesystem"); + if (intel) + volheader.hfsplus.intel_bootfile = grub_be_to_cpu32 (inode); + else + volheader.hfsplus.ppc_bootdir = grub_be_to_cpu32 (inode); + + return grub_disk_write (dev->disk, embedded_offset + GRUB_HFSPLUS_SBLOCK, 0, + sizeof (volheader), (char *) &volheader); +} + +grub_err_t +grub_mac_bless_file (grub_device_t dev, const char *path_in, int intel) +{ + grub_fs_t fs; + + char *path, *tail; + struct find_node_context ctx; + + fs = grub_fs_probe (dev); + if (!fs || (grub_strcmp (fs->name, "hfsplus") != 0 + && grub_strcmp (fs->name, "hfs") != 0)) + return grub_error (GRUB_ERR_BAD_FS, "no suitable FS found"); + + path = grub_strdup (path_in); + if (!path) + return grub_errno; + + tail = path + grub_strlen (path) - 1; + + /* Remove trailing '/'. */ + while (tail != path && *tail == '/') + *(tail--) = 0; + + tail = grub_strrchr (path, '/'); + ctx.found = 0; + + if (tail) + { + *tail = 0; + ctx.dirname = tail + 1; + + (fs->fs_dir) (dev, *path == 0 ? "/" : path, find_inode, &ctx); + } + else + { + ctx.dirname = path + 1; + (fs->fs_dir) (dev, "/", find_inode, &ctx); + } + if (!ctx.found) + { + grub_free (path); + return grub_error (GRUB_ERR_FILE_NOT_FOUND, N_("file `%s' not found"), + path_in); + } + grub_free (path); + + return grub_mac_bless_inode (dev, (grub_uint32_t) ctx.inode_found, + (ctx.found == FOUND_DIR), intel); +} + +static grub_err_t +grub_cmd_macbless (grub_command_t cmd, int argc, char **args) +{ + char *device_name; + char *path = 0; + grub_device_t dev = 0; + grub_err_t err; + + if (argc != 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected")); + device_name = grub_file_get_device_name (args[0]); + dev = grub_device_open (device_name); + + path = grub_strchr (args[0], ')'); + if (!path) + path = args[0]; + else + path = path + 1; + + if (!path || *path == 0 || !dev) + { + if (dev) + grub_device_close (dev); + + grub_free (device_name); + + return grub_error (GRUB_ERR_BAD_ARGUMENT, "invalid argument"); + } + + err = grub_mac_bless_file (dev, path, cmd->name[3] == 't'); + + grub_device_close (dev); + grub_free (device_name); + return err; +} + +static grub_command_t cmd, cmd_ppc; + +GRUB_MOD_INIT(macbless) +{ + cmd = grub_register_command ("mactelbless", grub_cmd_macbless, + N_("FILE"), + N_ + ("Bless FILE of HFS or HFS+ partition for intel macs.")); + cmd_ppc = + grub_register_command ("macppcbless", grub_cmd_macbless, N_("DIR"), + N_ + ("Bless DIR of HFS or HFS+ partition for PPC macs.")); +} + +GRUB_MOD_FINI(macbless) +{ + grub_unregister_command (cmd); + grub_unregister_command (cmd_ppc); +} diff --git a/grub-core/commands/memrw.c b/grub-core/commands/memrw.c new file mode 100644 index 0000000..d401a6d --- /dev/null +++ b/grub-core/commands/memrw.c @@ -0,0 +1,158 @@ +/* memrw.c - command to read / write physical memory */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/extcmd.h> +#include <grub/env.h> +#include <grub/i18n.h> +#include <grub/lockdown.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_extcmd_t cmd_read_byte, cmd_read_word, cmd_read_dword; +static grub_command_t cmd_write_byte, cmd_write_word, cmd_write_dword; + +static const struct grub_arg_option options[] = + { + {0, 'v', 0, N_("Save read value into variable VARNAME."), + N_("VARNAME"), ARG_TYPE_STRING}, + {0, 0, 0, 0, 0, 0} + }; + + +static grub_err_t +grub_cmd_read (grub_extcmd_context_t ctxt, int argc, char **argv) +{ + grub_addr_t addr; + grub_uint32_t value = 0; + char buf[sizeof ("XXXXXXXX")]; + + if (argc != 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected")); + + addr = grub_strtoul (argv[0], 0, 0); + switch (ctxt->extcmd->cmd->name[sizeof ("read_") - 1]) + { + case 'd': + value = *((volatile grub_uint32_t *) addr); + break; + + case 'w': + value = *((volatile grub_uint16_t *) addr); + break; + + case 'b': + value = *((volatile grub_uint8_t *) addr); + break; + } + + if (ctxt->state[0].set) + { + grub_snprintf (buf, sizeof (buf), "%x", value); + grub_env_set (ctxt->state[0].arg, buf); + } + else + grub_printf ("0x%x\n", value); + + return 0; +} + +static grub_err_t +grub_cmd_write (grub_command_t cmd, int argc, char **argv) +{ + grub_addr_t addr; + grub_uint32_t value; + grub_uint32_t mask = 0xffffffff; + + if (argc != 2 && argc != 3) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("two arguments expected")); + + addr = grub_strtoul (argv[0], 0, 0); + value = grub_strtoul (argv[1], 0, 0); + if (argc == 3) + mask = grub_strtoul (argv[2], 0, 0); + value &= mask; + switch (cmd->name[sizeof ("write_") - 1]) + { + case 'd': + if (mask != 0xffffffff) + *((volatile grub_uint32_t *) addr) + = (*((volatile grub_uint32_t *) addr) & ~mask) | value; + else + *((volatile grub_uint32_t *) addr) = value; + break; + + case 'w': + if ((mask & 0xffff) != 0xffff) + *((volatile grub_uint16_t *) addr) + = (*((volatile grub_uint16_t *) addr) & ~mask) | value; + else + *((volatile grub_uint16_t *) addr) = value; + break; + + case 'b': + if ((mask & 0xff) != 0xff) + *((volatile grub_uint8_t *) addr) + = (*((volatile grub_uint8_t *) addr) & ~mask) | value; + else + *((volatile grub_uint8_t *) addr) = value; + break; + } + + return 0; +} + +GRUB_MOD_INIT(memrw) +{ + cmd_read_byte = + grub_register_extcmd ("read_byte", grub_cmd_read, 0, + N_("ADDR"), N_("Read 8-bit value from ADDR."), + options); + cmd_read_word = + grub_register_extcmd ("read_word", grub_cmd_read, 0, + N_("ADDR"), N_("Read 16-bit value from ADDR."), + options); + cmd_read_dword = + grub_register_extcmd ("read_dword", grub_cmd_read, 0, + N_("ADDR"), N_("Read 32-bit value from ADDR."), + options); + cmd_write_byte = + grub_register_command_lockdown ("write_byte", grub_cmd_write, + N_("ADDR VALUE [MASK]"), + N_("Write 8-bit VALUE to ADDR.")); + cmd_write_word = + grub_register_command_lockdown ("write_word", grub_cmd_write, + N_("ADDR VALUE [MASK]"), + N_("Write 16-bit VALUE to ADDR.")); + cmd_write_dword = + grub_register_command_lockdown ("write_dword", grub_cmd_write, + N_("ADDR VALUE [MASK]"), + N_("Write 32-bit VALUE to ADDR.")); +} + +GRUB_MOD_FINI(memrw) +{ + grub_unregister_extcmd (cmd_read_byte); + grub_unregister_extcmd (cmd_read_word); + grub_unregister_extcmd (cmd_read_dword); + grub_unregister_command (cmd_write_byte); + grub_unregister_command (cmd_write_word); + grub_unregister_command (cmd_write_dword); +} diff --git a/grub-core/commands/menuentry.c b/grub-core/commands/menuentry.c new file mode 100644 index 0000000..720e6d8 --- /dev/null +++ b/grub-core/commands/menuentry.c @@ -0,0 +1,337 @@ +/* menuentry.c - menuentry command */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2010 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/types.h> +#include <grub/misc.h> +#include <grub/err.h> +#include <grub/dl.h> +#include <grub/extcmd.h> +#include <grub/i18n.h> +#include <grub/normal.h> + +static const struct grub_arg_option options[] = + { + {"class", 1, GRUB_ARG_OPTION_REPEATABLE, + N_("Menu entry type."), N_("STRING"), ARG_TYPE_STRING}, + {"users", 2, 0, + N_("List of users allowed to boot this entry."), N_("USERNAME[,USERNAME]"), + ARG_TYPE_STRING}, + {"hotkey", 3, 0, + N_("Keyboard key to quickly boot this entry."), N_("KEYBOARD_KEY"), ARG_TYPE_STRING}, + {"source", 4, 0, + N_("Use STRING as menu entry body."), N_("STRING"), ARG_TYPE_STRING}, + {"id", 0, 0, N_("Menu entry identifier."), N_("STRING"), ARG_TYPE_STRING}, + /* TRANSLATORS: menu entry can either be bootable by anyone or only by + handful of users. By default when security is active only superusers can + boot a given menu entry. With --unrestricted (this option) + anyone can boot it. */ + {"unrestricted", 0, 0, N_("This entry can be booted by any user."), + 0, ARG_TYPE_NONE}, + {0, 0, 0, 0, 0, 0} + }; + +static struct +{ + const char *name; + int key; +} hotkey_aliases[] = + { + {"backspace", GRUB_TERM_BACKSPACE}, + {"tab", GRUB_TERM_TAB}, + {"delete", GRUB_TERM_KEY_DC}, + {"insert", GRUB_TERM_KEY_INSERT}, + {"f1", GRUB_TERM_KEY_F1}, + {"f2", GRUB_TERM_KEY_F2}, + {"f3", GRUB_TERM_KEY_F3}, + {"f4", GRUB_TERM_KEY_F4}, + {"f5", GRUB_TERM_KEY_F5}, + {"f6", GRUB_TERM_KEY_F6}, + {"f7", GRUB_TERM_KEY_F7}, + {"f8", GRUB_TERM_KEY_F8}, + {"f9", GRUB_TERM_KEY_F9}, + {"f10", GRUB_TERM_KEY_F10}, + {"f11", GRUB_TERM_KEY_F11}, + {"f12", GRUB_TERM_KEY_F12}, + }; + +/* Add a menu entry to the current menu context (as given by the environment + variable data slot `menu'). As the configuration file is read, the script + parser calls this when a menu entry is to be created. */ +grub_err_t +grub_normal_add_menu_entry (int argc, const char **args, + char **classes, const char *id, + const char *users, const char *hotkey, + const char *prefix, const char *sourcecode, + int submenu) +{ + int menu_hotkey = 0; + char **menu_args = NULL; + char *menu_users = NULL; + char *menu_title = NULL; + char *menu_sourcecode = NULL; + char *menu_id = NULL; + struct grub_menu_entry_class *menu_classes = NULL; + + grub_menu_t menu; + grub_menu_entry_t *last; + + menu = grub_env_get_menu (); + if (! menu) + return grub_error (GRUB_ERR_MENU, "no menu context"); + + last = &menu->entry_list; + + menu_sourcecode = grub_xasprintf ("%s%s", prefix ?: "", sourcecode); + if (! menu_sourcecode) + return grub_errno; + + if (classes && classes[0]) + { + int i; + for (i = 0; classes[i]; i++); /* count # of menuentry classes */ + menu_classes = grub_zalloc (sizeof (struct grub_menu_entry_class) + * (i + 1)); + if (! menu_classes) + goto fail; + + for (i = 0; classes[i]; i++) + { + menu_classes[i].name = grub_strdup (classes[i]); + if (! menu_classes[i].name) + goto fail; + menu_classes[i].next = classes[i + 1] ? &menu_classes[i + 1] : NULL; + } + } + + if (users) + { + menu_users = grub_strdup (users); + if (! menu_users) + goto fail; + } + + if (hotkey) + { + unsigned i; + for (i = 0; i < ARRAY_SIZE (hotkey_aliases); i++) + if (grub_strcmp (hotkey, hotkey_aliases[i].name) == 0) + { + menu_hotkey = hotkey_aliases[i].key; + break; + } + if (i == ARRAY_SIZE (hotkey_aliases)) + menu_hotkey = hotkey[0]; + } + + if (! argc) + { + grub_error (GRUB_ERR_MENU, "menuentry is missing title"); + goto fail; + } + + menu_title = grub_strdup (args[0]); + if (! menu_title) + goto fail; + + menu_id = grub_strdup (id ? : menu_title); + if (! menu_id) + goto fail; + + /* Save argc, args to pass as parameters to block arg later. */ + menu_args = grub_calloc (argc + 1, sizeof (char *)); + if (! menu_args) + goto fail; + + { + int i; + for (i = 0; i < argc; i++) + { + menu_args[i] = grub_strdup (args[i]); + if (! menu_args[i]) + goto fail; + } + menu_args[argc] = NULL; + } + + /* Add the menu entry at the end of the list. */ + while (*last) + last = &(*last)->next; + + *last = grub_zalloc (sizeof (**last)); + if (! *last) + goto fail; + + (*last)->title = menu_title; + (*last)->id = menu_id; + (*last)->hotkey = menu_hotkey; + (*last)->classes = menu_classes; + if (menu_users) + (*last)->restricted = 1; + (*last)->users = menu_users; + (*last)->argc = argc; + (*last)->args = menu_args; + (*last)->sourcecode = menu_sourcecode; + (*last)->submenu = submenu; + + menu->size++; + return GRUB_ERR_NONE; + + fail: + + grub_free (menu_sourcecode); + { + int i; + for (i = 0; menu_classes && menu_classes[i].name; i++) + grub_free (menu_classes[i].name); + grub_free (menu_classes); + } + + { + int i; + for (i = 0; menu_args && menu_args[i]; i++) + grub_free (menu_args[i]); + grub_free (menu_args); + } + + grub_free (menu_users); + grub_free (menu_title); + grub_free (menu_id); + return grub_errno; +} + +static char * +setparams_prefix (int argc, char **args) +{ + int i; + int j; + char *p; + char *result; + grub_size_t len = 10; + + /* Count resulting string length */ + for (i = 0; i < argc; i++) + { + len += 3; /* 3 = 1 space + 2 quotes */ + p = args[i]; + while (*p) + len += (*p++ == '\'' ? 4 : 1); + } + + result = grub_malloc (len + 2); + if (! result) + return 0; + + grub_strcpy (result, "setparams"); + p = result + 9; + + for (j = 0; j < argc; j++) + { + *p++ = ' '; + *p++ = '\''; + p = grub_strchrsub (p, args[j], '\'', "'\\''"); + *p++ = '\''; + } + *p++ = '\n'; + *p = '\0'; + return result; +} + +static grub_err_t +grub_cmd_menuentry (grub_extcmd_context_t ctxt, int argc, char **args) +{ + char ch; + char *src; + char *prefix; + unsigned len; + grub_err_t r; + const char *users; + + if (! argc) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "missing arguments"); + + if (ctxt->state[3].set && ctxt->script) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "multiple menuentry definitions"); + + if (! ctxt->state[3].set && ! ctxt->script) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "no menuentry definition"); + + if (ctxt->state[1].set) + users = ctxt->state[1].arg; + else if (ctxt->state[5].set) + users = NULL; + else + users = ""; + + if (! ctxt->script) + return grub_normal_add_menu_entry (argc, (const char **) args, + (ctxt->state[0].set ? ctxt->state[0].args + : NULL), + ctxt->state[4].arg, + users, + ctxt->state[2].arg, 0, + ctxt->state[3].arg, + ctxt->extcmd->cmd->name[0] == 's'); + + src = args[argc - 1]; + args[argc - 1] = NULL; + + len = grub_strlen(src); + ch = src[len - 1]; + src[len - 1] = '\0'; + + prefix = setparams_prefix (argc - 1, args); + if (! prefix) + return grub_errno; + + r = grub_normal_add_menu_entry (argc - 1, (const char **) args, + ctxt->state[0].args, ctxt->state[4].arg, + users, + ctxt->state[2].arg, prefix, src + 1, + ctxt->extcmd->cmd->name[0] == 's'); + + src[len - 1] = ch; + args[argc - 1] = src; + grub_free (prefix); + return r; +} + +static grub_extcmd_t cmd, cmd_sub; + +void +grub_menu_init (void) +{ + cmd = grub_register_extcmd ("menuentry", grub_cmd_menuentry, + GRUB_COMMAND_FLAG_BLOCKS + | GRUB_COMMAND_ACCEPT_DASH + | GRUB_COMMAND_FLAG_EXTRACTOR, + N_("BLOCK"), N_("Define a menu entry."), options); + cmd_sub = grub_register_extcmd ("submenu", grub_cmd_menuentry, + GRUB_COMMAND_FLAG_BLOCKS + | GRUB_COMMAND_ACCEPT_DASH + | GRUB_COMMAND_FLAG_EXTRACTOR, + N_("BLOCK"), N_("Define a submenu."), + options); +} + +void +grub_menu_fini (void) +{ + grub_unregister_extcmd (cmd); + grub_unregister_extcmd (cmd_sub); +} diff --git a/grub-core/commands/minicmd.c b/grub-core/commands/minicmd.c new file mode 100644 index 0000000..fa49893 --- /dev/null +++ b/grub-core/commands/minicmd.c @@ -0,0 +1,227 @@ +/* minicmd.c - commands for the rescue mode */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2003,2005,2006,2007,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/mm.h> +#include <grub/err.h> +#include <grub/env.h> +#include <grub/misc.h> +#include <grub/file.h> +#include <grub/disk.h> +#include <grub/term.h> +#include <grub/loader.h> +#include <grub/command.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +/* cat FILE */ +static grub_err_t +grub_mini_cmd_cat (struct grub_command *cmd __attribute__ ((unused)), + int argc, char *argv[]) +{ + grub_file_t file; + char buf[GRUB_DISK_SECTOR_SIZE]; + grub_ssize_t size; + + if (argc < 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected")); + + file = grub_file_open (argv[0], GRUB_FILE_TYPE_CAT); + if (! file) + return grub_errno; + + while ((size = grub_file_read (file, buf, sizeof (buf))) > 0) + { + int i; + + for (i = 0; i < size; i++) + { + unsigned char c = buf[i]; + + if ((grub_isprint (c) || grub_isspace (c)) && c != '\r') + grub_printf ("%c", c); + else + { + grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT); + grub_printf ("<%x>", (int) c); + grub_setcolorstate (GRUB_TERM_COLOR_STANDARD); + } + } + } + + grub_xputs ("\n"); + grub_refresh (); + grub_file_close (file); + + return 0; +} + +/* help */ +static grub_err_t +grub_mini_cmd_help (struct grub_command *cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char *argv[] __attribute__ ((unused))) +{ + grub_command_t p; + + for (p = grub_command_list; p; p = p->next) + grub_printf ("%s (%d%c)\t%s\n", p->name, + p->prio & GRUB_COMMAND_PRIO_MASK, + (p->prio & GRUB_COMMAND_FLAG_ACTIVE) ? '+' : '-', + p->description); + + return 0; +} + +/* dump ADDRESS [SIZE] */ +static grub_err_t +grub_mini_cmd_dump (struct grub_command *cmd __attribute__ ((unused)), + int argc, char *argv[]) +{ + grub_uint8_t *addr; + grub_size_t size = 4; + + if (argc == 0) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "no address specified"); + +#if GRUB_CPU_SIZEOF_VOID_P == GRUB_CPU_SIZEOF_LONG +#define grub_strtoaddr grub_strtoul +#else +#define grub_strtoaddr grub_strtoull +#endif + + addr = (grub_uint8_t *) grub_strtoaddr (argv[0], 0, 0); + if (grub_errno) + return grub_errno; + + if (argc > 1) + size = (grub_size_t) grub_strtoaddr (argv[1], 0, 0); + + while (size--) + { + grub_printf ("%x%x ", *addr >> 4, *addr & 0xf); + addr++; + } + + return 0; +} + +/* rmmod MODULE */ +static grub_err_t +grub_mini_cmd_rmmod (struct grub_command *cmd __attribute__ ((unused)), + int argc, char *argv[]) +{ + grub_dl_t mod; + + if (argc == 0) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "no module specified"); + + mod = grub_dl_get (argv[0]); + if (! mod) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "no such module"); + + if (grub_dl_is_persistent (mod)) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "cannot unload persistent module"); + + if (grub_dl_ref_count (mod) > 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "cannot unload referenced module"); + + grub_dl_unref (mod); + grub_dl_unload (mod); + + return 0; +} + +/* lsmod */ +static grub_err_t +grub_mini_cmd_lsmod (struct grub_command *cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char *argv[] __attribute__ ((unused))) +{ + grub_dl_t mod; + + /* TRANSLATORS: this is module list header. Name + is module name, Ref Count is a reference counter + (how many modules or open descriptors use it). + Dependencies are the other modules it uses. + */ + grub_printf_ (N_("Name\tRef Count\tDependencies\n")); + FOR_DL_MODULES (mod) + { + grub_dl_dep_t dep; + + grub_printf ("%s\t%d\t\t", mod->name, mod->ref_count); + for (dep = mod->dep; dep; dep = dep->next) + { + if (dep != mod->dep) + grub_xputs (","); + + grub_printf ("%s", dep->mod->name); + } + grub_xputs ("\n"); + } + + return 0; +} + +/* exit */ +static grub_err_t __attribute__ ((noreturn)) +grub_mini_cmd_exit (struct grub_command *cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char *argv[] __attribute__ ((unused))) +{ + grub_exit (); + /* Not reached. */ +} + +static grub_command_t cmd_cat, cmd_help; +static grub_command_t cmd_dump, cmd_rmmod, cmd_lsmod, cmd_exit; + +GRUB_MOD_INIT(minicmd) +{ + cmd_cat = + grub_register_command ("cat", grub_mini_cmd_cat, + N_("FILE"), N_("Show the contents of a file.")); + cmd_help = + grub_register_command ("help", grub_mini_cmd_help, + 0, N_("Show this message.")); + cmd_dump = + grub_register_command ("dump", grub_mini_cmd_dump, + N_("ADDR [SIZE]"), N_("Show memory contents.")); + cmd_rmmod = + grub_register_command ("rmmod", grub_mini_cmd_rmmod, + N_("MODULE"), N_("Remove a module.")); + cmd_lsmod = + grub_register_command ("lsmod", grub_mini_cmd_lsmod, + 0, N_("Show loaded modules.")); + cmd_exit = + grub_register_command ("exit", grub_mini_cmd_exit, + 0, N_("Exit from GRUB.")); +} + +GRUB_MOD_FINI(minicmd) +{ + grub_unregister_command (cmd_cat); + grub_unregister_command (cmd_help); + grub_unregister_command (cmd_dump); + grub_unregister_command (cmd_rmmod); + grub_unregister_command (cmd_lsmod); + grub_unregister_command (cmd_exit); +} diff --git a/grub-core/commands/mips/loongson/lsspd.c b/grub-core/commands/mips/loongson/lsspd.c new file mode 100644 index 0000000..a88ab87 --- /dev/null +++ b/grub-core/commands/mips/loongson/lsspd.c @@ -0,0 +1,103 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2010 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/types.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/err.h> +#include <grub/dl.h> +#include <grub/command.h> +#include <grub/cs5536.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_err_t +grub_cmd_lsspd (grub_command_t cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) +{ + grub_pci_device_t dev; + grub_port_t smbbase; + int i; + grub_err_t err; + + if (!grub_cs5536_find (&dev)) + { + grub_puts_ (N_("No CS5536 found")); + return GRUB_ERR_NONE; + } + grub_printf_ (N_("CS5536 at %d:%d.%d\n"), grub_pci_get_bus (dev), + grub_pci_get_device (dev), grub_pci_get_function (dev)); + + err = grub_cs5536_init_smbus (dev, 0x7fff, &smbbase); + if (err) + return err; + + /* TRANSLATORS: System management bus is often used to access components like + RAM (info only, not data) or batteries. I/O space is where in memory + its ports are. */ + grub_printf_ (N_("System management bus controller I/O space is at 0x%x\n"), + smbbase); + + for (i = GRUB_SMB_RAM_START_ADDR; + i < GRUB_SMB_RAM_START_ADDR + GRUB_SMB_RAM_NUM_MAX; i++) + { + struct grub_smbus_spd spd; + grub_memset (&spd, 0, sizeof (spd)); + /* TRANSLATORS: it's shown in a report in a way + like number 1: ... number 2: ... + */ + grub_printf_ (N_("RAM slot number %d\n"), i); + err = grub_cs5536_read_spd (smbbase, i, &spd); + if (err) + { + grub_print_error (); + continue; + } + grub_printf_ (N_("Written SPD bytes: %d B.\n"), spd.written_size); + grub_printf_ (N_("Total flash size: %d B.\n"), + 1 << spd.log_total_flash_size); + if (spd.memory_type == GRUB_SMBUS_SPD_MEMORY_TYPE_DDR2) + { + char str[sizeof (spd.ddr2.part_number) + 1]; + grub_puts_ (N_("Memory type: DDR2.")); + grub_memcpy (str, spd.ddr2.part_number, + sizeof (spd.ddr2.part_number)); + str[sizeof (spd.ddr2.part_number)] = 0; + grub_printf_ (N_("Part no: %s.\n"), str); + } + else + grub_puts_ (N_("Memory type: Unknown.")); + } + + return GRUB_ERR_NONE; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(lsspd) +{ + cmd = grub_register_command ("lsspd", grub_cmd_lsspd, 0, + N_("Print Memory information.")); +} + +GRUB_MOD_FINI(lsspd) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/nativedisk.c b/grub-core/commands/nativedisk.c new file mode 100644 index 0000000..7c8f97f --- /dev/null +++ b/grub-core/commands/nativedisk.c @@ -0,0 +1,332 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2013 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/types.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/err.h> +#include <grub/dl.h> +#include <grub/command.h> +#include <grub/i18n.h> +#include <grub/device.h> +#include <grub/mm.h> +#include <grub/fs.h> +#include <grub/env.h> +#include <grub/file.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static const char *modnames_def[] = { + /* FIXME: autogenerate this. */ +#if defined (__i386__) || defined (__x86_64__) || defined (GRUB_MACHINE_MIPS_LOONGSON) + "pata", "ahci", "usbms", "ohci", "uhci", "ehci" +#elif defined (GRUB_MACHINE_MIPS_QEMU_MIPS) + "pata" +#else +#error "Fill this" +#endif + }; + +static grub_err_t +get_uuid (const char *name, char **uuid, int getnative) +{ + grub_device_t dev; + grub_fs_t fs = 0; + + *uuid = 0; + + dev = grub_device_open (name); + if (!dev) + return grub_errno; + + if (!dev->disk) + { + grub_dprintf ("nativedisk", "Skipping non-disk\n"); + grub_device_close (dev); + return 0; + } + + switch (dev->disk->dev->id) + { + /* Firmware disks. */ + case GRUB_DISK_DEVICE_BIOSDISK_ID: + case GRUB_DISK_DEVICE_OFDISK_ID: + case GRUB_DISK_DEVICE_OBDISK_ID: + case GRUB_DISK_DEVICE_EFIDISK_ID: + case GRUB_DISK_DEVICE_NAND_ID: + case GRUB_DISK_DEVICE_ARCDISK_ID: + case GRUB_DISK_DEVICE_HOSTDISK_ID: + case GRUB_DISK_DEVICE_UBOOTDISK_ID: + break; + + /* Native disks. */ + case GRUB_DISK_DEVICE_ATA_ID: + case GRUB_DISK_DEVICE_SCSI_ID: + case GRUB_DISK_DEVICE_XEN: + if (getnative) + break; + /* FALLTHROUGH */ + + /* Virtual disks. */ + /* GRUB dynamically generated files. */ + case GRUB_DISK_DEVICE_PROCFS_ID: + /* To access through host OS routines (grub-emu only). */ + case GRUB_DISK_DEVICE_HOST_ID: + /* To access coreboot roms. */ + case GRUB_DISK_DEVICE_CBFSDISK_ID: + /* GRUB-only memdisk. Can't match any of firmware devices. */ + case GRUB_DISK_DEVICE_MEMDISK_ID: + grub_dprintf ("nativedisk", "Skipping native disk %s\n", + dev->disk->name); + grub_device_close (dev); + return 0; + + /* FIXME: those probably need special handling. */ + case GRUB_DISK_DEVICE_LOOPBACK_ID: + case GRUB_DISK_DEVICE_DISKFILTER_ID: + case GRUB_DISK_DEVICE_CRYPTODISK_ID: + break; + } + if (dev) + fs = grub_fs_probe (dev); + if (!fs) + { + grub_device_close (dev); + return grub_errno; + } + if (!fs->fs_uuid || fs->fs_uuid (dev, uuid) || !*uuid) + { + grub_device_close (dev); + + if (!grub_errno) + grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET, + N_("%s does not support UUIDs"), fs->name); + + return grub_errno; + } + grub_device_close (dev); + return GRUB_ERR_NONE; +} + +struct search_ctx +{ + char *root_uuid; + char *prefix_uuid; + const char *prefix_path; + int prefix_found, root_found; +}; + +static int +iterate_device (const char *name, void *data) +{ + struct search_ctx *ctx = data; + char *cur_uuid; + + if (get_uuid (name, &cur_uuid, 1)) + { + if (grub_errno == GRUB_ERR_UNKNOWN_FS) + grub_errno = 0; + grub_print_error (); + return 0; + } + + grub_dprintf ("nativedisk", "checking %s: %s\n", name, + cur_uuid); + if (ctx->prefix_uuid && grub_strcasecmp (cur_uuid, ctx->prefix_uuid) == 0) + { + char *prefix; + prefix = grub_xasprintf ("(%s)/%s", name, ctx->prefix_path); + grub_env_set ("prefix", prefix); + grub_free (prefix); + ctx->prefix_found = 1; + } + if (ctx->root_uuid && grub_strcasecmp (cur_uuid, ctx->root_uuid) == 0) + { + grub_env_set ("root", name); + ctx->root_found = 1; + } + return ctx->prefix_found && ctx->root_found; +} + +static grub_err_t +grub_cmd_nativedisk (grub_command_t cmd __attribute__ ((unused)), + int argc, char **args_in) +{ + char *uuid_root = 0, *uuid_prefix, *prefdev = 0; + const char *prefix = 0; + const char *path_prefix = 0; + int mods_loaded = 0; + grub_dl_t *mods; + const char **args; + int i; + + if (argc == 0) + { + argc = ARRAY_SIZE (modnames_def); + args = modnames_def; + } + else + args = (const char **) args_in; + + prefix = grub_env_get ("prefix"); + + if (! prefix) + return grub_error (GRUB_ERR_FILE_NOT_FOUND, N_("variable `%s' isn't set"), "prefix"); + + if (prefix) + path_prefix = (prefix[0] == '(') ? grub_strchr (prefix, ')') : NULL; + if (path_prefix) + path_prefix++; + else + path_prefix = prefix; + + mods = grub_calloc (argc, sizeof (mods[0])); + if (!mods) + return grub_errno; + + if (get_uuid (NULL, &uuid_root, 0)) + { + grub_free (mods); + return grub_errno; + } + + prefdev = grub_file_get_device_name (prefix); + if (grub_errno) + { + grub_print_error (); + prefdev = 0; + } + + if (get_uuid (prefdev, &uuid_prefix, 0)) + { + grub_free (uuid_root); + grub_free (prefdev); + grub_free (mods); + return grub_errno; + } + + grub_dprintf ("nativedisk", "uuid_prefix = %s, uuid_root = %s\n", + uuid_prefix, uuid_root); + + for (mods_loaded = 0; mods_loaded < argc; mods_loaded++) + { + char *filename; + grub_dl_t mod; + grub_file_t file = NULL; + grub_ssize_t size; + void *core = 0; + + mod = grub_dl_get (args[mods_loaded]); + if (mod) + { + mods[mods_loaded] = 0; + continue; + } + + filename = grub_xasprintf ("%s/" GRUB_TARGET_CPU "-" GRUB_PLATFORM "/%s.mod", + prefix, args[mods_loaded]); + if (! filename) + goto fail; + + file = grub_file_open (filename, + GRUB_FILE_TYPE_GRUB_MODULE); + grub_free (filename); + if (! file) + goto fail; + + size = grub_file_size (file); + core = grub_malloc (size); + if (! core) + { + grub_file_close (file); + goto fail; + } + + if (grub_file_read (file, core, size) != (grub_ssize_t) size) + { + grub_file_close (file); + grub_free (core); + goto fail; + } + + grub_file_close (file); + + mods[mods_loaded] = grub_dl_load_core_noinit (core, size); + if (! mods[mods_loaded]) + goto fail; + } + + for (i = 0; i < argc; i++) + if (mods[i]) + grub_dl_init (mods[i]); + + if (uuid_prefix || uuid_root) + { + struct search_ctx ctx; + grub_fs_autoload_hook_t saved_autoload; + + /* No need to autoload FS since obviously we already have the necessary fs modules. */ + saved_autoload = grub_fs_autoload_hook; + grub_fs_autoload_hook = 0; + + ctx.root_uuid = uuid_root; + ctx.prefix_uuid = uuid_prefix; + ctx.prefix_path = path_prefix; + ctx.prefix_found = !uuid_prefix; + ctx.root_found = !uuid_root; + + /* FIXME: try to guess the correct values. */ + grub_device_iterate (iterate_device, &ctx); + + grub_fs_autoload_hook = saved_autoload; + } + grub_free (uuid_root); + grub_free (uuid_prefix); + grub_free (prefdev); + grub_free (mods); + + return GRUB_ERR_NONE; + + fail: + grub_free (uuid_root); + grub_free (uuid_prefix); + grub_free (prefdev); + + for (i = 0; i < mods_loaded; i++) + if (mods[i]) + { + mods[i]->fini = 0; + grub_dl_unload (mods[i]); + } + grub_free (mods); + + return grub_errno; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(nativedisk) +{ + cmd = grub_register_command ("nativedisk", grub_cmd_nativedisk, N_("[MODULE1 MODULE2 ...]"), + N_("Switch to native disk drivers. If no modules are specified default set (pata,ahci,usbms,ohci,uhci,ehci) is used")); +} + +GRUB_MOD_FINI(nativedisk) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/parttool.c b/grub-core/commands/parttool.c new file mode 100644 index 0000000..051e313 --- /dev/null +++ b/grub-core/commands/parttool.c @@ -0,0 +1,357 @@ +/* parttool.c - common dispatcher and parser for partition operations */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <grub/types.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/err.h> +#include <grub/dl.h> +#include <grub/normal.h> +#include <grub/device.h> +#include <grub/disk.h> +#include <grub/partition.h> +#include <grub/parttool.h> +#include <grub/command.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv2+"); + +static struct grub_parttool *parts = 0; +static int curhandle = 0; +static grub_dl_t mymod; +static char helpmsg[] = + N_("Perform COMMANDS on partition.\n" + "Use `parttool PARTITION help' for the list " + "of available commands."); + +int +grub_parttool_register(const char *part_name, + const grub_parttool_function_t func, + const struct grub_parttool_argdesc *args) +{ + struct grub_parttool *cur; + int nargs = 0; + + if (! parts) + grub_dl_ref (mymod); + + cur = (struct grub_parttool *) grub_malloc (sizeof (struct grub_parttool)); + cur->next = parts; + cur->name = grub_strdup (part_name); + cur->handle = curhandle++; + for (nargs = 0; args[nargs].name != 0; nargs++); + cur->nargs = nargs; + cur->args = (struct grub_parttool_argdesc *) + grub_calloc (nargs + 1, sizeof (struct grub_parttool_argdesc)); + if (!cur->args) + { + grub_free (cur); + curhandle--; + return -1; + } + grub_memcpy (cur->args, args, + (nargs + 1) * sizeof (struct grub_parttool_argdesc)); + + cur->func = func; + parts = cur; + return cur->handle; +} + +void +grub_parttool_unregister (int handle) +{ + struct grub_parttool *prev = 0, *cur, *t; + for (cur = parts; cur; ) + if (cur->handle == handle) + { + grub_free (cur->args); + grub_free (cur->name); + if (prev) + prev->next = cur->next; + else + parts = cur->next; + t = cur; + cur = cur->next; + grub_free (t); + } + else + { + prev = cur; + cur = cur->next; + } + if (! parts) + grub_dl_unref (mymod); +} + +static grub_err_t +show_help (grub_device_t dev) +{ + int found = 0; + struct grub_parttool *cur; + + for (cur = parts; cur; cur = cur->next) + if (grub_strcmp (dev->disk->partition->partmap->name, cur->name) == 0) + { + struct grub_parttool_argdesc *curarg; + found = 1; + for (curarg = cur->args; curarg->name; curarg++) + { + int spacing = 20; + + spacing -= grub_strlen (curarg->name); + grub_printf ("%s", curarg->name); + + switch (curarg->type) + { + case GRUB_PARTTOOL_ARG_BOOL: + grub_printf ("+/-"); + spacing -= 3; + break; + + case GRUB_PARTTOOL_ARG_VAL: + grub_xputs (_("=VAL")); + spacing -= 4; + break; + + case GRUB_PARTTOOL_ARG_END: + break; + } + while (spacing-- > 0) + grub_printf (" "); + grub_puts_ (curarg->desc); + } + } + if (! found) + grub_printf_ (N_("Sorry, no parttool is available for %s\n"), + dev->disk->partition->partmap->name); + return GRUB_ERR_NONE; +} + +static grub_err_t +grub_cmd_parttool (grub_command_t cmd __attribute__ ((unused)), + int argc, char **args) +{ + grub_device_t dev; + struct grub_parttool *cur, *ptool; + int *parsed; + int i, j; + grub_err_t err = GRUB_ERR_NONE; + + if (argc < 1) + { + grub_puts_ (helpmsg); + return grub_error (GRUB_ERR_BAD_ARGUMENT, "too few arguments"); + } + + if (args[0][0] == '(' && args[0][grub_strlen (args[0]) - 1] == ')') + { + args[0][grub_strlen (args[0]) - 1] = 0; + dev = grub_device_open (args[0] + 1); + args[0][grub_strlen (args[0]) - 1] = ')'; + } + else + dev = grub_device_open (args[0]); + + if (! dev) + return grub_errno; + + if (! dev->disk) + { + grub_device_close (dev); + return grub_error (GRUB_ERR_BAD_ARGUMENT, "not a disk"); + } + + if (! dev->disk->partition) + { + grub_device_close (dev); + return grub_error (GRUB_ERR_BAD_ARGUMENT, "not a partition"); + } + + /* Load modules. */ + if (! grub_no_modules) + { + const char *prefix; + prefix = grub_env_get ("prefix"); + if (prefix) + { + char *filename; + + filename = grub_xasprintf ("%s/" GRUB_TARGET_CPU "-" GRUB_PLATFORM + "/parttool.lst", prefix); + if (filename) + { + grub_file_t file; + + file = grub_file_open (filename, GRUB_FILE_TYPE_GRUB_MODULE_LIST); + if (file) + { + char *buf = 0; + for (;; grub_free(buf)) + { + char *p, *name; + + buf = grub_file_getline (file); + + if (! buf) + break; + + name = buf; + while (grub_isspace (name[0])) + name++; + + if (! grub_isgraph (name[0])) + continue; + + p = grub_strchr (name, ':'); + if (! p) + continue; + + *p = '\0'; + p++; + while (*p == ' ' || *p == '\t') + p++; + + if (! grub_isgraph (*p)) + continue; + + if (grub_strcmp (name, dev->disk->partition->partmap->name) + != 0) + continue; + + grub_dl_load (p); + } + + grub_file_close (file); + } + + grub_free (filename); + } + } + /* Ignore errors. */ + grub_errno = GRUB_ERR_NONE; + } + + if (argc == 1) + { + err = show_help (dev); + grub_device_close (dev); + return err; + } + + for (i = 1; i < argc; i++) + if (grub_strcmp (args[i], "help") == 0) + { + err = show_help (dev); + grub_device_close (dev); + return err; + } + + parsed = (int *) grub_calloc (argc, sizeof (int)); + + for (i = 1; i < argc; i++) + if (! parsed[i]) + { + struct grub_parttool_argdesc *curarg; + struct grub_parttool_args *pargs; + for (cur = parts; cur; cur = cur->next) + if (grub_strcmp (dev->disk->partition->partmap->name, cur->name) == 0) + { + for (curarg = cur->args; curarg->name; curarg++) + if (grub_strncmp (curarg->name, args[i], + grub_strlen (curarg->name)) == 0 + && ((curarg->type == GRUB_PARTTOOL_ARG_BOOL + && (args[i][grub_strlen (curarg->name)] == '+' + || args[i][grub_strlen (curarg->name)] == '-' + || args[i][grub_strlen (curarg->name)] == 0)) + || (curarg->type == GRUB_PARTTOOL_ARG_VAL + && args[i][grub_strlen (curarg->name)] == '='))) + + break; + if (curarg->name) + break; + } + if (! cur) + { + grub_free (parsed); + grub_device_close (dev); + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("unknown argument `%s'"), + args[i]); + } + ptool = cur; + pargs = (struct grub_parttool_args *) + grub_calloc (ptool->nargs, sizeof (struct grub_parttool_args)); + for (j = i; j < argc; j++) + if (! parsed[j]) + { + for (curarg = ptool->args; curarg->name; curarg++) + if (grub_strncmp (curarg->name, args[j], + grub_strlen (curarg->name)) == 0 + && ((curarg->type == GRUB_PARTTOOL_ARG_BOOL + && (args[j][grub_strlen (curarg->name)] == '+' + || args[j][grub_strlen (curarg->name)] == '-' + || args[j][grub_strlen (curarg->name)] == 0)) + || (curarg->type == GRUB_PARTTOOL_ARG_VAL + && args[j][grub_strlen (curarg->name)] == '='))) + { + parsed[j] = 1; + pargs[curarg - ptool->args].set = 1; + switch (curarg->type) + { + case GRUB_PARTTOOL_ARG_BOOL: + pargs[curarg - ptool->args].bool + = (args[j][grub_strlen (curarg->name)] != '-'); + break; + + case GRUB_PARTTOOL_ARG_VAL: + pargs[curarg - ptool->args].str + = (args[j] + grub_strlen (curarg->name) + 1); + break; + + case GRUB_PARTTOOL_ARG_END: + break; + } + } + } + + err = ptool->func (dev, pargs); + grub_free (pargs); + if (err) + break; + } + + grub_free (parsed); + grub_device_close (dev); + return err; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(parttool) +{ + mymod = mod; + cmd = grub_register_command ("parttool", grub_cmd_parttool, + N_("PARTITION COMMANDS"), + helpmsg); +} + +GRUB_MOD_FINI(parttool) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/password.c b/grub-core/commands/password.c new file mode 100644 index 0000000..6d42c9b --- /dev/null +++ b/grub-core/commands/password.c @@ -0,0 +1,93 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/auth.h> +#include <grub/crypto.h> +#include <grub/list.h> +#include <grub/mm.h> +#include <grub/misc.h> +#include <grub/env.h> +#include <grub/normal.h> +#include <grub/dl.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_dl_t my_mod; + +static grub_err_t +check_password (const char *user, const char *entered, + void *password) +{ + if (grub_crypto_memcmp (entered, password, GRUB_AUTH_MAX_PASSLEN) != 0) + return GRUB_ACCESS_DENIED; + + grub_auth_authenticate (user); + + return GRUB_ERR_NONE; +} + +grub_err_t +grub_normal_set_password (const char *user, const char *password) +{ + grub_err_t err; + char *pass; + int copylen; + + pass = grub_zalloc (GRUB_AUTH_MAX_PASSLEN); + if (!pass) + return grub_errno; + copylen = grub_strlen (password); + if (copylen >= GRUB_AUTH_MAX_PASSLEN) + copylen = GRUB_AUTH_MAX_PASSLEN - 1; + grub_memcpy (pass, password, copylen); + + err = grub_auth_register_authentication (user, check_password, pass); + if (err) + { + grub_free (pass); + return err; + } + grub_dl_ref (my_mod); + return GRUB_ERR_NONE; +} + +static grub_err_t +grub_cmd_password (grub_command_t cmd __attribute__ ((unused)), + int argc, char **args) +{ + if (argc != 2) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("two arguments expected")); + return grub_normal_set_password (args[0], args[1]); +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(password) +{ + my_mod = mod; + cmd = grub_register_command ("password", grub_cmd_password, + N_("USER PASSWORD"), + N_("Set user password (plaintext). " + "Unrecommended and insecure.")); +} + +GRUB_MOD_FINI(password) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/password_pbkdf2.c b/grub-core/commands/password_pbkdf2.c new file mode 100644 index 0000000..ab845d2 --- /dev/null +++ b/grub-core/commands/password_pbkdf2.c @@ -0,0 +1,209 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/auth.h> +#include <grub/crypto.h> +#include <grub/list.h> +#include <grub/mm.h> +#include <grub/misc.h> +#include <grub/env.h> +#include <grub/normal.h> +#include <grub/dl.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_dl_t my_mod; + +struct pbkdf2_password +{ + grub_uint8_t *salt; + grub_size_t saltlen; + unsigned int c; + grub_uint8_t *expected; + grub_size_t buflen; +}; + +static grub_err_t +check_password (const char *user, const char *entered, void *pin) +{ + grub_uint8_t *buf; + struct pbkdf2_password *pass = pin; + gcry_err_code_t err; + grub_err_t ret; + + buf = grub_malloc (pass->buflen); + if (!buf) + return grub_crypto_gcry_error (GPG_ERR_OUT_OF_MEMORY); + + err = grub_crypto_pbkdf2 (GRUB_MD_SHA512, (grub_uint8_t *) entered, + grub_strlen (entered), + pass->salt, pass->saltlen, pass->c, + buf, pass->buflen); + if (err) + ret = grub_crypto_gcry_error (err); + else if (grub_crypto_memcmp (buf, pass->expected, pass->buflen) != 0) + ret = GRUB_ACCESS_DENIED; + else + { + grub_auth_authenticate (user); + ret = GRUB_ERR_NONE; + } + + grub_free (buf); + return ret; +} + +static inline int +hex2val (char hex) +{ + if ('0' <= hex && hex <= '9') + return hex - '0'; + if ('a' <= hex && hex <= 'f') + return hex - 'a' + 10; + if ('A' <= hex && hex <= 'F') + return hex - 'A' + 10; + return -1; +} + +static grub_err_t +grub_cmd_password (grub_command_t cmd __attribute__ ((unused)), + int argc, char **args) +{ + grub_err_t err; + const char *ptr, *ptr2; + grub_uint8_t *ptro; + struct pbkdf2_password *pass; + + if (argc != 2) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("two arguments expected")); + + if (grub_memcmp (args[1], "grub.pbkdf2.sha512.", + sizeof ("grub.pbkdf2.sha512.") - 1) != 0) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("invalid PBKDF2 password")); + + ptr = args[1] + sizeof ("grub.pbkdf2.sha512.") - 1; + + pass = grub_malloc (sizeof (*pass)); + if (!pass) + return grub_errno; + + pass->c = grub_strtoul (ptr, &ptr, 0); + if (grub_errno) + { + grub_free (pass); + return grub_errno; + } + if (*ptr != '.') + { + grub_free (pass); + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("invalid PBKDF2 password")); + } + ptr++; + + ptr2 = grub_strchr (ptr, '.'); + if (!ptr2 || ((ptr2 - ptr) & 1) || grub_strlen (ptr2 + 1) & 1) + { + grub_free (pass); + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("invalid PBKDF2 password")); + } + + pass->saltlen = (ptr2 - ptr) >> 1; + pass->buflen = grub_strlen (ptr2 + 1) >> 1; + ptro = pass->salt = grub_malloc (pass->saltlen); + if (!ptro) + { + grub_free (pass); + return grub_errno; + } + while (ptr < ptr2) + { + int hex1, hex2; + hex1 = hex2val (*ptr); + ptr++; + hex2 = hex2val (*ptr); + ptr++; + if (hex1 < 0 || hex2 < 0) + { + grub_free (pass->salt); + grub_free (pass); + return grub_error (GRUB_ERR_BAD_ARGUMENT, + /* TRANSLATORS: it means that the string which + was supposed to be a password hash doesn't + have a correct format, not to password + mismatch. */ + N_("invalid PBKDF2 password")); + } + + *ptro = (hex1 << 4) | hex2; + ptro++; + } + + ptro = pass->expected = grub_malloc (pass->buflen); + if (!ptro) + { + grub_free (pass->salt); + grub_free (pass); + return grub_errno; + } + ptr = ptr2 + 1; + ptr2 += grub_strlen (ptr2); + while (ptr < ptr2) + { + int hex1, hex2; + hex1 = hex2val (*ptr); + ptr++; + hex2 = hex2val (*ptr); + ptr++; + if (hex1 < 0 || hex2 < 0) + { + grub_free (pass->expected); + grub_free (pass->salt); + grub_free (pass); + return grub_error (GRUB_ERR_BAD_ARGUMENT, + N_("invalid PBKDF2 password")); + } + + *ptro = (hex1 << 4) | hex2; + ptro++; + } + + err = grub_auth_register_authentication (args[0], check_password, pass); + if (err) + { + grub_free (pass); + return err; + } + grub_dl_ref (my_mod); + return GRUB_ERR_NONE; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(password_pbkdf2) +{ + my_mod = mod; + cmd = grub_register_command ("password_pbkdf2", grub_cmd_password, + N_("USER PBKDF2_PASSWORD"), + N_("Set user password (PBKDF2). ")); +} + +GRUB_MOD_FINI(password_pbkdf2) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/pcidump.c b/grub-core/commands/pcidump.c new file mode 100644 index 0000000..f72628f --- /dev/null +++ b/grub-core/commands/pcidump.c @@ -0,0 +1,174 @@ +/* lspci.c - List PCI devices. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2013 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/pci.h> +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/extcmd.h> +#include <grub/env.h> +#include <grub/mm.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +struct iter_cxt +{ + grub_uint32_t pciid_check_mask, pciid_check_value; + int bus, device, function; + int check_bus, check_device, check_function; +}; + +static const struct grub_arg_option options[] = + { + {0, 'd', 0, N_("Select device by vendor and device IDs."), + N_("[vendor]:[device]"), ARG_TYPE_STRING}, + {0, 's', 0, N_("Select device by its position on the bus."), + N_("[bus]:[slot][.func]"), ARG_TYPE_STRING}, + {0, 0, 0, 0, 0, 0} + }; + +static int +grub_pcidump_iter (grub_pci_device_t dev, grub_pci_id_t pciid, + void *data) +{ + struct iter_cxt *ctx = data; + grub_pci_address_t addr; + int i; + + if ((pciid & ctx->pciid_check_mask) != ctx->pciid_check_value) + return 0; + + if (ctx->check_bus && grub_pci_get_bus (dev) != ctx->bus) + return 0; + + if (ctx->check_device && grub_pci_get_device (dev) != ctx->device) + return 0; + + if (ctx->check_function && grub_pci_get_function (dev) != ctx->function) + return 0; + + for (i = 0; i < 256; i += 4) + { + addr = grub_pci_make_address (dev, i); + grub_printf ("%08x ", grub_pci_read (addr)); + if ((i & 0xc) == 0xc) + grub_printf ("\n"); + } + + return 0; +} + +static grub_err_t +grub_cmd_pcidump (grub_extcmd_context_t ctxt, + int argc __attribute__ ((unused)), + char **argv __attribute__ ((unused))) +{ + const char *ptr; + struct iter_cxt ctx = + { + .pciid_check_value = 0, + .pciid_check_mask = 0, + .check_bus = 0, + .check_device = 0, + .check_function = 0, + .bus = 0, + .function = 0, + .device = 0 + }; + + if (ctxt->state[0].set) + { + ptr = ctxt->state[0].arg; + ctx.pciid_check_value |= (grub_strtoul (ptr, &ptr, 16) & 0xffff); + if (grub_errno == GRUB_ERR_BAD_NUMBER) + { + grub_errno = GRUB_ERR_NONE; + ptr = ctxt->state[0].arg; + } + else + ctx.pciid_check_mask |= 0xffff; + if (grub_errno) + return grub_errno; + if (*ptr != ':') + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("missing `%c' symbol"), ':'); + ptr++; + ctx.pciid_check_value |= (grub_strtoul (ptr, &ptr, 16) & 0xffff) << 16; + if (grub_errno == GRUB_ERR_BAD_NUMBER) + grub_errno = GRUB_ERR_NONE; + else + ctx.pciid_check_mask |= 0xffff0000; + } + + ctx.pciid_check_value &= ctx.pciid_check_mask; + + if (ctxt->state[1].set) + { + const char *optr; + + ptr = ctxt->state[1].arg; + optr = ptr; + ctx.bus = grub_strtoul (ptr, &ptr, 16); + if (grub_errno == GRUB_ERR_BAD_NUMBER) + { + grub_errno = GRUB_ERR_NONE; + ptr = optr; + } + else + ctx.check_bus = 1; + if (grub_errno) + return grub_errno; + if (*ptr != ':') + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("missing `%c' symbol"), ':'); + ptr++; + optr = ptr; + ctx.device = grub_strtoul (ptr, &ptr, 16); + if (grub_errno == GRUB_ERR_BAD_NUMBER) + { + grub_errno = GRUB_ERR_NONE; + ptr = optr; + } + else + ctx.check_device = 1; + if (*ptr == '.') + { + ptr++; + ctx.function = grub_strtoul (ptr, &ptr, 16); + if (grub_errno) + return grub_errno; + ctx.check_function = 1; + } + } + + grub_pci_iterate (grub_pcidump_iter, &ctx); + return GRUB_ERR_NONE; +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT(pcidump) +{ + cmd = grub_register_extcmd ("pcidump", grub_cmd_pcidump, 0, + N_("[-s POSITION] [-d DEVICE]"), + N_("Show raw dump of the PCI configuration space."), options); +} + +GRUB_MOD_FINI(pcidump) +{ + grub_unregister_extcmd (cmd); +} diff --git a/grub-core/commands/pgp.c b/grub-core/commands/pgp.c new file mode 100644 index 0000000..5daa1e9 --- /dev/null +++ b/grub-core/commands/pgp.c @@ -0,0 +1,1018 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2013 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/types.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/err.h> +#include <grub/dl.h> +#include <grub/file.h> +#include <grub/command.h> +#include <grub/crypto.h> +#include <grub/i18n.h> +#include <grub/gcrypt/gcrypt.h> +#include <grub/pubkey.h> +#include <grub/env.h> +#include <grub/kernel.h> +#include <grub/extcmd.h> +#include <grub/verify.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +enum + { + OPTION_SKIP_SIG = 0 + }; + +static const struct grub_arg_option options[] = + { + {"skip-sig", 's', 0, + N_("Skip signature-checking of the public key file."), 0, ARG_TYPE_NONE}, + {0, 0, 0, 0, 0, 0} + }; + +static grub_err_t +read_packet_header (grub_file_t sig, grub_uint8_t *out_type, grub_size_t *len) +{ + grub_uint8_t type; + grub_uint8_t l; + grub_uint16_t l16; + grub_uint32_t l32; + + /* New format. */ + switch (grub_file_read (sig, &type, sizeof (type))) + { + case 1: + break; + case 0: + { + *out_type = 0xff; + return 0; + } + default: + if (grub_errno) + return grub_errno; + /* TRANSLATORS: it's about GNUPG signatures. */ + return grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + } + + if (type == 0) + { + *out_type = 0xfe; + return 0; + } + + if (!(type & 0x80)) + return grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + if (type & 0x40) + { + *out_type = (type & 0x3f); + if (grub_file_read (sig, &l, sizeof (l)) != 1) + return grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + if (l < 192) + { + *len = l; + return 0; + } + if (l < 224) + { + *len = (l - 192) << GRUB_CHAR_BIT; + if (grub_file_read (sig, &l, sizeof (l)) != 1) + return grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + *len |= l; + return 0; + } + if (l == 255) + { + if (grub_file_read (sig, &l32, sizeof (l32)) != sizeof (l32)) + return grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + *len = grub_be_to_cpu32 (l32); + return 0; + } + return grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + } + *out_type = ((type >> 2) & 0xf); + switch (type & 0x3) + { + case 0: + if (grub_file_read (sig, &l, sizeof (l)) != sizeof (l)) + return grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + *len = l; + return 0; + case 1: + if (grub_file_read (sig, &l16, sizeof (l16)) != sizeof (l16)) + return grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + *len = grub_be_to_cpu16 (l16); + return 0; + case 2: + if (grub_file_read (sig, &l32, sizeof (l32)) != sizeof (l32)) + return grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + *len = grub_be_to_cpu32 (l32); + return 0; + } + return grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); +} + +struct signature_v4_header +{ + grub_uint8_t type; + grub_uint8_t pkeyalgo; + grub_uint8_t hash; + grub_uint16_t hashed_sub; +} GRUB_PACKED; + +const char *hashes[] = { + [0x01] = "md5", + [0x02] = "sha1", + [0x03] = "ripemd160", + [0x08] = "sha256", + [0x09] = "sha384", + [0x0a] = "sha512", + [0x0b] = "sha224" +}; + +struct gcry_pk_spec *grub_crypto_pk_dsa; +struct gcry_pk_spec *grub_crypto_pk_ecdsa; +struct gcry_pk_spec *grub_crypto_pk_rsa; + +static int +dsa_pad (gcry_mpi_t *hmpi, grub_uint8_t *hval, + const gcry_md_spec_t *hash, struct grub_public_subkey *sk); +static int +rsa_pad (gcry_mpi_t *hmpi, grub_uint8_t *hval, + const gcry_md_spec_t *hash, struct grub_public_subkey *sk); + +struct +{ + const char *name; + grub_size_t nmpisig; + grub_size_t nmpipub; + struct gcry_pk_spec **algo; + int (*pad) (gcry_mpi_t *hmpi, grub_uint8_t *hval, + const gcry_md_spec_t *hash, struct grub_public_subkey *sk); + const char *module; +} pkalgos[] = + { + [1] = { "rsa", 1, 2, &grub_crypto_pk_rsa, rsa_pad, "gcry_rsa" }, + [3] = { "rsa", 1, 2, &grub_crypto_pk_rsa, rsa_pad, "gcry_rsa" }, + [17] = { "dsa", 2, 4, &grub_crypto_pk_dsa, dsa_pad, "gcry_dsa" }, + }; + +struct grub_public_key +{ + struct grub_public_key *next; + struct grub_public_subkey *subkeys; +}; + +struct grub_public_subkey +{ + struct grub_public_subkey *next; + grub_uint8_t type; + grub_uint32_t fingerprint[5]; + gcry_mpi_t mpis[10]; +}; + +static void +free_pk (struct grub_public_key *pk) +{ + struct grub_public_subkey *nsk, *sk; + for (sk = pk->subkeys; sk; sk = nsk) + { + grub_size_t i; + for (i = 0; i < ARRAY_SIZE (sk->mpis); i++) + if (sk->mpis[i]) + gcry_mpi_release (sk->mpis[i]); + nsk = sk->next; + grub_free (sk); + } + grub_free (pk); +} + +#define READBUF_SIZE 4096 + +struct grub_public_key * +grub_load_public_key (grub_file_t f) +{ + grub_err_t err; + struct grub_public_key *ret; + struct grub_public_subkey **last = 0; + void *fingerprint_context = NULL; + grub_uint8_t *buffer = NULL; + + ret = grub_zalloc (sizeof (*ret)); + if (!ret) + { + grub_free (fingerprint_context); + return NULL; + } + + buffer = grub_zalloc (READBUF_SIZE); + fingerprint_context = grub_zalloc (GRUB_MD_SHA1->contextsize); + + if (!buffer || !fingerprint_context) + goto fail; + + last = &ret->subkeys; + + while (1) + { + grub_uint8_t type; + grub_size_t len; + grub_uint8_t v, pk; + grub_uint32_t creation_time; + grub_off_t pend; + struct grub_public_subkey *sk; + grub_size_t i; + grub_uint16_t len_be; + + err = read_packet_header (f, &type, &len); + + if (err) + goto fail; + if (type == 0xfe) + continue; + if (type == 0xff) + { + grub_free (fingerprint_context); + grub_free (buffer); + return ret; + } + + grub_dprintf ("crypt", "len = %x\n", (int) len); + + pend = grub_file_tell (f) + len; + if (type != 6 && type != 14 + && type != 5 && type != 7) + { + grub_file_seek (f, pend); + continue; + } + + if (grub_file_read (f, &v, sizeof (v)) != sizeof (v)) + { + grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + goto fail; + } + + grub_dprintf ("crypt", "v = %x\n", v); + + if (v != 4) + { + grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + goto fail; + } + if (grub_file_read (f, &creation_time, sizeof (creation_time)) != sizeof (creation_time)) + { + grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + goto fail; + } + + grub_dprintf ("crypt", "time = %x\n", creation_time); + + if (grub_file_read (f, &pk, sizeof (pk)) != sizeof (pk)) + { + grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + goto fail; + } + + grub_dprintf ("crypt", "pk = %x\n", pk); + + if (pk >= ARRAY_SIZE (pkalgos) || pkalgos[pk].name == NULL) + { + grub_file_seek (f, pend); + continue; + } + + sk = grub_zalloc (sizeof (struct grub_public_subkey)); + if (!sk) + goto fail; + + grub_memset (fingerprint_context, 0, GRUB_MD_SHA1->contextsize); + GRUB_MD_SHA1->init (fingerprint_context); + GRUB_MD_SHA1->write (fingerprint_context, "\x99", 1); + len_be = grub_cpu_to_be16 (len); + GRUB_MD_SHA1->write (fingerprint_context, &len_be, sizeof (len_be)); + GRUB_MD_SHA1->write (fingerprint_context, &v, sizeof (v)); + GRUB_MD_SHA1->write (fingerprint_context, &creation_time, sizeof (creation_time)); + GRUB_MD_SHA1->write (fingerprint_context, &pk, sizeof (pk)); + + for (i = 0; i < pkalgos[pk].nmpipub; i++) + { + grub_uint16_t l; + grub_size_t lb; + if (grub_file_read (f, &l, sizeof (l)) != sizeof (l)) + { + grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + break; + } + + lb = (grub_be_to_cpu16 (l) + GRUB_CHAR_BIT - 1) / GRUB_CHAR_BIT; + if (lb > READBUF_SIZE - sizeof (grub_uint16_t)) + { + grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + break; + } + if (grub_file_read (f, buffer + sizeof (grub_uint16_t), lb) != (grub_ssize_t) lb) + { + grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + break; + } + grub_memcpy (buffer, &l, sizeof (l)); + + GRUB_MD_SHA1->write (fingerprint_context, buffer, lb + sizeof (grub_uint16_t)); + + if (gcry_mpi_scan (&sk->mpis[i], GCRYMPI_FMT_PGP, + buffer, lb + sizeof (grub_uint16_t), 0)) + { + grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + break; + } + } + + if (i < pkalgos[pk].nmpipub) + { + grub_free (sk); + goto fail; + } + + GRUB_MD_SHA1->final (fingerprint_context); + + grub_memcpy (sk->fingerprint, GRUB_MD_SHA1->read (fingerprint_context), 20); + + *last = sk; + last = &sk->next; + + grub_dprintf ("crypt", "actual pos: %x, expected: %x\n", (int)grub_file_tell (f), (int)pend); + + grub_file_seek (f, pend); + } + fail: + free_pk (ret); + grub_free (fingerprint_context); + grub_free (buffer); + return NULL; +} + +struct grub_public_key *grub_pk_trusted; + +struct grub_public_subkey * +grub_crypto_pk_locate_subkey (grub_uint64_t keyid, struct grub_public_key *pkey) +{ + struct grub_public_subkey *sk; + for (sk = pkey->subkeys; sk; sk = sk->next) + if (grub_memcmp (sk->fingerprint + 3, &keyid, 8) == 0) + return sk; + return 0; +} + +struct grub_public_subkey * +grub_crypto_pk_locate_subkey_in_trustdb (grub_uint64_t keyid) +{ + struct grub_public_key *pkey; + struct grub_public_subkey *sk; + for (pkey = grub_pk_trusted; pkey; pkey = pkey->next) + { + sk = grub_crypto_pk_locate_subkey (keyid, pkey); + if (sk) + return sk; + } + return 0; +} + + +static int +dsa_pad (gcry_mpi_t *hmpi, grub_uint8_t *hval, + const gcry_md_spec_t *hash, struct grub_public_subkey *sk) +{ + unsigned nbits = gcry_mpi_get_nbits (sk->mpis[1]); + grub_dprintf ("crypt", "must be %u bits got %d bits\n", nbits, + (int)(8 * hash->mdlen)); + return gcry_mpi_scan (hmpi, GCRYMPI_FMT_USG, hval, + nbits / 8 < (unsigned) hash->mdlen ? nbits / 8 + : (unsigned) hash->mdlen, 0); +} + +static int +rsa_pad (gcry_mpi_t *hmpi, grub_uint8_t *hval, + const gcry_md_spec_t *hash, struct grub_public_subkey *sk) +{ + grub_size_t tlen, emlen, fflen; + grub_uint8_t *em, *emptr; + unsigned nbits = gcry_mpi_get_nbits (sk->mpis[0]); + int ret; + tlen = hash->mdlen + hash->asnlen; + emlen = (nbits + 7) / 8; + if (emlen < tlen + 11) + return 1; + + em = grub_malloc (emlen); + if (!em) + return 1; + + em[0] = 0x00; + em[1] = 0x01; + fflen = emlen - tlen - 3; + for (emptr = em + 2; emptr < em + 2 + fflen; emptr++) + *emptr = 0xff; + *emptr++ = 0x00; + grub_memcpy (emptr, hash->asnoid, hash->asnlen); + emptr += hash->asnlen; + grub_memcpy (emptr, hval, hash->mdlen); + + ret = gcry_mpi_scan (hmpi, GCRYMPI_FMT_USG, em, emlen, 0); + grub_free (em); + return ret; +} + +struct grub_pubkey_context +{ + grub_file_t sig; + struct signature_v4_header v4; + grub_uint8_t v; + const gcry_md_spec_t *hash; + void *hash_context; +}; + +static grub_err_t +grub_verify_signature_init (struct grub_pubkey_context *ctxt, grub_file_t sig) +{ + grub_size_t len; + grub_uint8_t h; + grub_uint8_t t; + grub_uint8_t pk; + grub_err_t err; + grub_uint8_t type = 0; + + grub_memset (ctxt, 0, sizeof (*ctxt)); + + err = read_packet_header (sig, &type, &len); + if (err) + return err; + + if (type != 0x2) + return grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + + if (grub_file_read (sig, &ctxt->v, sizeof (ctxt->v)) != sizeof (ctxt->v)) + return grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + + if (ctxt->v != 4) + return grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + + if (grub_file_read (sig, &ctxt->v4, sizeof (ctxt->v4)) != sizeof (ctxt->v4)) + return grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + + h = ctxt->v4.hash; + t = ctxt->v4.type; + pk = ctxt->v4.pkeyalgo; + + if (t != 0) + return grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + + if (h >= ARRAY_SIZE (hashes) || hashes[h] == NULL) + return grub_error (GRUB_ERR_BAD_SIGNATURE, "unknown hash"); + + if (pk >= ARRAY_SIZE (pkalgos) || pkalgos[pk].name == NULL) + return grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + + ctxt->hash = grub_crypto_lookup_md_by_name (hashes[h]); + if (!ctxt->hash) + return grub_error (GRUB_ERR_BAD_SIGNATURE, "hash `%s' not loaded", hashes[h]); + + grub_dprintf ("crypt", "alive\n"); + + ctxt->hash_context = grub_zalloc (ctxt->hash->contextsize); + if (!ctxt->hash_context) + return grub_errno; + + ctxt->hash->init (ctxt->hash_context); + ctxt->sig = sig; + + return GRUB_ERR_NONE; +} + +static grub_err_t +grub_pubkey_write (void *ctxt_, void *buf, grub_size_t size) +{ + struct grub_pubkey_context *ctxt = ctxt_; + ctxt->hash->write (ctxt->hash_context, buf, size); + return GRUB_ERR_NONE; +} + +static grub_err_t +grub_verify_signature_real (struct grub_pubkey_context *ctxt, + struct grub_public_key *pkey) +{ + gcry_mpi_t mpis[10]; + grub_uint8_t pk = ctxt->v4.pkeyalgo; + grub_size_t i; + grub_uint8_t *readbuf = NULL; + unsigned char *hval; + grub_ssize_t rem = grub_be_to_cpu16 (ctxt->v4.hashed_sub); + grub_uint32_t headlen = grub_cpu_to_be32 (rem + 6); + grub_uint8_t s; + grub_uint16_t unhashed_sub; + grub_ssize_t r; + grub_uint8_t hash_start[2]; + gcry_mpi_t hmpi; + grub_uint64_t keyid = 0; + struct grub_public_subkey *sk; + + readbuf = grub_malloc (READBUF_SIZE); + if (!readbuf) + goto fail; + + ctxt->hash->write (ctxt->hash_context, &ctxt->v, sizeof (ctxt->v)); + ctxt->hash->write (ctxt->hash_context, &ctxt->v4, sizeof (ctxt->v4)); + while (rem) + { + r = grub_file_read (ctxt->sig, readbuf, + rem < READBUF_SIZE ? rem : READBUF_SIZE); + if (r < 0) + goto fail; + if (r == 0) + break; + ctxt->hash->write (ctxt->hash_context, readbuf, r); + rem -= r; + } + ctxt->hash->write (ctxt->hash_context, &ctxt->v, sizeof (ctxt->v)); + s = 0xff; + ctxt->hash->write (ctxt->hash_context, &s, sizeof (s)); + ctxt->hash->write (ctxt->hash_context, &headlen, sizeof (headlen)); + r = grub_file_read (ctxt->sig, &unhashed_sub, sizeof (unhashed_sub)); + if (r != sizeof (unhashed_sub)) + goto fail; + { + grub_uint8_t *ptr; + grub_uint32_t l; + rem = grub_be_to_cpu16 (unhashed_sub); + if (rem > READBUF_SIZE) + goto fail; + r = grub_file_read (ctxt->sig, readbuf, rem); + if (r != rem) + goto fail; + for (ptr = readbuf; ptr < readbuf + rem; ptr += l) + { + if (*ptr < 192) + l = *ptr++; + else if (*ptr < 255) + { + if (ptr + 1 >= readbuf + rem) + break; + l = (((ptr[0] & ~192) << GRUB_CHAR_BIT) | ptr[1]) + 192; + ptr += 2; + } + else + { + if (ptr + 5 >= readbuf + rem) + break; + l = grub_be_to_cpu32 (grub_get_unaligned32 (ptr + 1)); + ptr += 5; + } + if (*ptr == 0x10 && l >= 8) + keyid = grub_get_unaligned64 (ptr + 1); + } + } + + ctxt->hash->final (ctxt->hash_context); + + grub_dprintf ("crypt", "alive\n"); + + hval = ctxt->hash->read (ctxt->hash_context); + + if (grub_file_read (ctxt->sig, hash_start, sizeof (hash_start)) != sizeof (hash_start)) + goto fail; + if (grub_memcmp (hval, hash_start, sizeof (hash_start)) != 0) + goto fail; + + grub_dprintf ("crypt", "@ %x\n", (int)grub_file_tell (ctxt->sig)); + + for (i = 0; i < pkalgos[pk].nmpisig; i++) + { + grub_uint16_t l; + grub_size_t lb; + grub_dprintf ("crypt", "alive\n"); + if (grub_file_read (ctxt->sig, &l, sizeof (l)) != sizeof (l)) + goto fail; + grub_dprintf ("crypt", "alive\n"); + lb = (grub_be_to_cpu16 (l) + 7) / 8; + grub_dprintf ("crypt", "l = 0x%04x\n", grub_be_to_cpu16 (l)); + if (lb > READBUF_SIZE - sizeof (grub_uint16_t)) + goto fail; + grub_dprintf ("crypt", "alive\n"); + if (grub_file_read (ctxt->sig, readbuf + sizeof (grub_uint16_t), lb) != (grub_ssize_t) lb) + goto fail; + grub_dprintf ("crypt", "alive\n"); + grub_memcpy (readbuf, &l, sizeof (l)); + grub_dprintf ("crypt", "alive\n"); + + if (gcry_mpi_scan (&mpis[i], GCRYMPI_FMT_PGP, + readbuf, lb + sizeof (grub_uint16_t), 0)) + goto fail; + grub_dprintf ("crypt", "alive\n"); + } + + if (pkey) + sk = grub_crypto_pk_locate_subkey (keyid, pkey); + else + sk = grub_crypto_pk_locate_subkey_in_trustdb (keyid); + if (!sk) + { + /* TRANSLATORS: %08x is 32-bit key id. */ + grub_error (GRUB_ERR_BAD_SIGNATURE, + N_("public key %08" PRIxGRUB_UINT64_T " not found"), keyid); + goto fail; + } + + if (pkalgos[pk].pad (&hmpi, hval, ctxt->hash, sk)) + goto fail; + if (!*pkalgos[pk].algo) + { + grub_dl_load (pkalgos[pk].module); + grub_errno = GRUB_ERR_NONE; + } + + if (!*pkalgos[pk].algo) + { + grub_error (GRUB_ERR_BAD_SIGNATURE, N_("module `%s' isn't loaded"), + pkalgos[pk].module); + goto fail; + } + if ((*pkalgos[pk].algo)->verify (0, hmpi, mpis, sk->mpis, 0, 0)) + goto fail; + + grub_free (readbuf); + + return GRUB_ERR_NONE; + + fail: + grub_free (readbuf); + if (!grub_errno) + return grub_error (GRUB_ERR_BAD_SIGNATURE, N_("bad signature")); + return grub_errno; +} + +static void +grub_pubkey_close_real (struct grub_pubkey_context *ctxt) +{ + if (ctxt->sig) + grub_file_close (ctxt->sig); + if (ctxt->hash_context) + grub_free (ctxt->hash_context); +} + +static void +grub_pubkey_close (void *ctxt) +{ + grub_pubkey_close_real (ctxt); + grub_free (ctxt); +} + +grub_err_t +grub_verify_signature (grub_file_t f, const char *fsig, + struct grub_public_key *pkey) +{ + grub_file_t sig; + grub_err_t err; + struct grub_pubkey_context ctxt; + grub_uint8_t *readbuf = NULL; + + sig = grub_file_open (fsig, + GRUB_FILE_TYPE_SIGNATURE + | GRUB_FILE_TYPE_NO_DECOMPRESS); + if (!sig) + return grub_errno; + + err = grub_verify_signature_init (&ctxt, sig); + if (err) + { + grub_file_close (sig); + return err; + } + + readbuf = grub_zalloc (READBUF_SIZE); + if (!readbuf) + goto fail; + + while (1) + { + grub_ssize_t r; + r = grub_file_read (f, readbuf, READBUF_SIZE); + if (r < 0) + goto fail; + if (r == 0) + break; + err = grub_pubkey_write (&ctxt, readbuf, r); + if (err) + return err; + } + + grub_verify_signature_real (&ctxt, pkey); + fail: + grub_pubkey_close_real (&ctxt); + return grub_errno; +} + +static grub_err_t +grub_cmd_trust (grub_extcmd_context_t ctxt, + int argc, char **args) +{ + grub_file_t pkf; + struct grub_public_key *pk = NULL; + + if (argc < 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected")); + + pkf = grub_file_open (args[0], + GRUB_FILE_TYPE_PUBLIC_KEY_TRUST + | GRUB_FILE_TYPE_NO_DECOMPRESS + | (ctxt->state[OPTION_SKIP_SIG].set + ? GRUB_FILE_TYPE_SKIP_SIGNATURE + : GRUB_FILE_TYPE_NONE)); + if (!pkf) + return grub_errno; + pk = grub_load_public_key (pkf); + if (!pk) + { + grub_file_close (pkf); + return grub_errno; + } + grub_file_close (pkf); + + pk->next = grub_pk_trusted; + grub_pk_trusted = pk; + + return GRUB_ERR_NONE; +} + +static grub_err_t +grub_cmd_list (grub_command_t cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) +{ + struct grub_public_key *pk = NULL; + struct grub_public_subkey *sk = NULL; + + for (pk = grub_pk_trusted; pk; pk = pk->next) + for (sk = pk->subkeys; sk; sk = sk->next) + { + unsigned i; + for (i = 0; i < 20; i += 2) + grub_printf ("%02x%02x ", ((grub_uint8_t *) sk->fingerprint)[i], + ((grub_uint8_t *) sk->fingerprint)[i + 1]); + grub_printf ("\n"); + } + + return GRUB_ERR_NONE; +} + +static grub_err_t +grub_cmd_distrust (grub_command_t cmd __attribute__ ((unused)), + int argc, char **args) +{ + grub_uint32_t keyid, keyid_be; + struct grub_public_key **pkey; + struct grub_public_subkey *sk; + + if (argc < 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected")); + keyid = grub_strtoull (args[0], 0, 16); + if (grub_errno) + return grub_errno; + keyid_be = grub_cpu_to_be32 (keyid); + + for (pkey = &grub_pk_trusted; *pkey; pkey = &((*pkey)->next)) + { + struct grub_public_key *next; + for (sk = (*pkey)->subkeys; sk; sk = sk->next) + if (grub_memcmp (sk->fingerprint + 4, &keyid_be, 4) == 0) + break; + if (!sk) + continue; + next = (*pkey)->next; + free_pk (*pkey); + *pkey = next; + return GRUB_ERR_NONE; + } + /* TRANSLATORS: %08x is 32-bit key id. */ + return grub_error (GRUB_ERR_BAD_SIGNATURE, N_("public key %08x not found"), keyid); +} + +static grub_err_t +grub_cmd_verify_signature (grub_extcmd_context_t ctxt, + int argc, char **args) +{ + grub_file_t f = NULL; + grub_err_t err = GRUB_ERR_NONE; + struct grub_public_key *pk = NULL; + + grub_dprintf ("crypt", "alive\n"); + + if (argc < 2) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("two arguments expected")); + + grub_dprintf ("crypt", "alive\n"); + + if (argc > 2) + { + grub_file_t pkf; + pkf = grub_file_open (args[2], + GRUB_FILE_TYPE_PUBLIC_KEY + | GRUB_FILE_TYPE_NO_DECOMPRESS + | (ctxt->state[OPTION_SKIP_SIG].set + ? GRUB_FILE_TYPE_SKIP_SIGNATURE + : GRUB_FILE_TYPE_NONE)); + if (!pkf) + return grub_errno; + pk = grub_load_public_key (pkf); + if (!pk) + { + grub_file_close (pkf); + return grub_errno; + } + grub_file_close (pkf); + } + + f = grub_file_open (args[0], GRUB_FILE_TYPE_VERIFY_SIGNATURE); + if (!f) + { + err = grub_errno; + goto fail; + } + + err = grub_verify_signature (f, args[1], pk); + fail: + if (f) + grub_file_close (f); + if (pk) + free_pk (pk); + return err; +} + +static int sec = 0; + +static grub_err_t +grub_pubkey_init (grub_file_t io, enum grub_file_type type __attribute__ ((unused)), + void **context, enum grub_verify_flags *flags) +{ + grub_file_t sig; + char *fsuf, *ptr; + grub_err_t err; + struct grub_pubkey_context *ctxt; + + if (!sec) + { + *flags = GRUB_VERIFY_FLAGS_SKIP_VERIFICATION; + return GRUB_ERR_NONE; + } + + fsuf = grub_malloc (grub_strlen (io->name) + sizeof (".sig")); + if (!fsuf) + return grub_errno; + ptr = grub_stpcpy (fsuf, io->name); + grub_memcpy (ptr, ".sig", sizeof (".sig")); + + sig = grub_file_open (fsuf, GRUB_FILE_TYPE_SIGNATURE); + grub_free (fsuf); + if (!sig) + return grub_errno; + + ctxt = grub_malloc (sizeof (*ctxt)); + if (!ctxt) + { + grub_file_close (sig); + return grub_errno; + } + err = grub_verify_signature_init (ctxt, sig); + if (err) + { + grub_free (ctxt); + grub_file_close (sig); + return err; + } + *context = ctxt; + return GRUB_ERR_NONE; +} + +static grub_err_t +grub_pubkey_fini (void *ctxt) +{ + return grub_verify_signature_real (ctxt, NULL); +} + +static char * +grub_env_write_sec (struct grub_env_var *var __attribute__ ((unused)), + const char *val) +{ + sec = (*val == '1') || (*val == 'e'); + return grub_strdup (sec ? "enforce" : "no"); +} + +static grub_ssize_t +pseudo_read (struct grub_file *file, char *buf, grub_size_t len) +{ + grub_memcpy (buf, (grub_uint8_t *) file->data + file->offset, len); + return len; +} + + +/* Filesystem descriptor. */ +struct grub_fs pseudo_fs = + { + .name = "pseudo", + .fs_read = pseudo_read + }; + +struct grub_file_verifier grub_pubkey_verifier = + { + .name = "pgp", + .init = grub_pubkey_init, + .fini = grub_pubkey_fini, + .write = grub_pubkey_write, + .close = grub_pubkey_close, + }; + +static grub_extcmd_t cmd, cmd_trust; +static grub_command_t cmd_distrust, cmd_list; + +GRUB_MOD_INIT(pgp) +{ + const char *val; + struct grub_module_header *header; + + val = grub_env_get ("check_signatures"); + if (val && (val[0] == '1' || val[0] == 'e')) + sec = 1; + else + sec = 0; + + grub_register_variable_hook ("check_signatures", 0, grub_env_write_sec); + grub_env_export ("check_signatures"); + + grub_pk_trusted = 0; + FOR_MODULES (header) + { + struct grub_file pseudo_file; + struct grub_public_key *pk = NULL; + + grub_memset (&pseudo_file, 0, sizeof (pseudo_file)); + + /* Not an ELF module, skip. */ + if (header->type != OBJ_TYPE_PUBKEY) + continue; + + pseudo_file.fs = &pseudo_fs; + pseudo_file.size = (header->size - sizeof (struct grub_module_header)); + pseudo_file.data = (char *) header + sizeof (struct grub_module_header); + + pk = grub_load_public_key (&pseudo_file); + if (!pk) + grub_fatal ("error loading initial key: %s\n", grub_errmsg); + + pk->next = grub_pk_trusted; + grub_pk_trusted = pk; + } + + if (!val) + grub_env_set ("check_signatures", grub_pk_trusted ? "enforce" : "no"); + + cmd = grub_register_extcmd ("verify_detached", grub_cmd_verify_signature, 0, + N_("[-s|--skip-sig] FILE SIGNATURE_FILE [PUBKEY_FILE]"), + N_("Verify detached signature."), + options); + cmd_trust = grub_register_extcmd ("trust", grub_cmd_trust, 0, + N_("[-s|--skip-sig] PUBKEY_FILE"), + N_("Add PUBKEY_FILE to trusted keys."), + options); + cmd_list = grub_register_command ("list_trusted", grub_cmd_list, + 0, + N_("Show the list of trusted keys.")); + cmd_distrust = grub_register_command ("distrust", grub_cmd_distrust, + N_("PUBKEY_ID"), + N_("Remove PUBKEY_ID from trusted keys.")); + + grub_verifier_register (&grub_pubkey_verifier); +} + +GRUB_MOD_FINI(pgp) +{ + grub_verifier_unregister (&grub_pubkey_verifier); + grub_unregister_extcmd (cmd); + grub_unregister_extcmd (cmd_trust); + grub_unregister_command (cmd_list); + grub_unregister_command (cmd_distrust); +} diff --git a/grub-core/commands/probe.c b/grub-core/commands/probe.c new file mode 100644 index 0000000..e53b611 --- /dev/null +++ b/grub-core/commands/probe.c @@ -0,0 +1,225 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/types.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/err.h> +#include <grub/dl.h> +#include <grub/device.h> +#include <grub/disk.h> +#include <grub/partition.h> +#include <grub/gpt_partition.h> +#include <grub/net.h> +#include <grub/fs.h> +#include <grub/file.h> +#include <grub/misc.h> +#include <grub/env.h> +#include <grub/extcmd.h> +#include <grub/i18n.h> +#include <grub/i386/pc/boot.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static const struct grub_arg_option options[] = + { + {"set", 's', 0, + N_("Set a variable to return value."), N_("VARNAME"), ARG_TYPE_STRING}, + /* TRANSLATORS: It's a driver that is currently in use to access + the diven disk. */ + {"driver", 'd', 0, N_("Determine driver."), 0, 0}, + {"partmap", 'p', 0, N_("Determine partition map type."), 0, 0}, + {"fs", 'f', 0, N_("Determine filesystem type."), 0, 0}, + {"fs-uuid", 'u', 0, N_("Determine filesystem UUID."), 0, 0}, + {"label", 'l', 0, N_("Determine filesystem label."), 0, 0}, + {"part-uuid", 0, 0, N_("Determine partition UUID."), 0, 0}, + {0, 0, 0, 0, 0, 0} + }; + +static grub_err_t +grub_cmd_probe (grub_extcmd_context_t ctxt, int argc, char **args) +{ + struct grub_arg_list *state = ctxt->state; + grub_device_t dev; + grub_fs_t fs; + char *ptr; + grub_err_t err; + + if (argc < 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "device name required"); + + ptr = args[0] + grub_strlen (args[0]) - 1; + if (args[0][0] == '(' && *ptr == ')') + { + *ptr = 0; + dev = grub_device_open (args[0] + 1); + *ptr = ')'; + } + else + dev = grub_device_open (args[0]); + if (! dev) + return grub_errno; + + if (state[1].set) + { + const char *val = "none"; + if (dev->net) + val = dev->net->protocol->name; + if (dev->disk) + val = dev->disk->dev->name; + if (state[0].set) + grub_env_set (state[0].arg, val); + else + grub_printf ("%s", val); + grub_device_close (dev); + return GRUB_ERR_NONE; + } + if (state[2].set) + { + const char *val = "none"; + if (dev->disk && dev->disk->partition) + val = dev->disk->partition->partmap->name; + if (state[0].set) + grub_env_set (state[0].arg, val); + else + grub_printf ("%s", val); + grub_device_close (dev); + return GRUB_ERR_NONE; + } + if (state[6].set) + { + /* AAAABBBB-CCCC-DDDD-EEEE-FFFFFFFFFFFF + null terminator */ + char val[37] = "none"; + if (dev->disk && dev->disk->partition) + { + struct grub_partition *p = dev->disk->partition; + grub_disk_t disk = grub_disk_open(dev->disk->name); + + if (!disk) + { + grub_device_close (dev); + return grub_errno; + } + + if (grub_strcmp(dev->disk->partition->partmap->name, "gpt") == 0) + { + struct grub_gpt_partentry entry; + grub_gpt_part_guid_t *guid; + + if (grub_disk_read(disk, p->offset, p->index, sizeof(entry), &entry)) + return grub_errno; + guid = &entry.guid; + grub_snprintf (val, sizeof(val), + "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x", + grub_le_to_cpu32 (guid->data1), + grub_le_to_cpu16 (guid->data2), + grub_le_to_cpu16 (guid->data3), + guid->data4[0], guid->data4[1], guid->data4[2], + guid->data4[3], guid->data4[4], guid->data4[5], + guid->data4[6], guid->data4[7]); + } + else if (grub_strcmp(dev->disk->partition->partmap->name, "msdos") == 0) + { + grub_uint32_t nt_disk_sig; + + if (grub_disk_read(disk, 0, GRUB_BOOT_MACHINE_WINDOWS_NT_MAGIC, + sizeof(nt_disk_sig), &nt_disk_sig) == 0) + grub_snprintf (val, sizeof(val), "%08x-%02x", + grub_le_to_cpu32(nt_disk_sig), 1 + p->number); + } + grub_disk_close(disk); + } + if (state[0].set) + grub_env_set (state[0].arg, val); + else + grub_printf ("%s", val); + grub_device_close (dev); + return GRUB_ERR_NONE; + } + fs = grub_fs_probe (dev); + if (! fs) + return grub_errno; + if (state[3].set) + { + if (state[0].set) + grub_env_set (state[0].arg, fs->name); + else + grub_printf ("%s", fs->name); + grub_device_close (dev); + return GRUB_ERR_NONE; + } + if (state[4].set) + { + char *uuid; + if (! fs->fs_uuid) + return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET, + N_("%s does not support UUIDs"), fs->name); + err = fs->fs_uuid (dev, &uuid); + if (err) + return err; + if (! uuid) + return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET, + N_("%s does not support UUIDs"), fs->name); + + if (state[0].set) + grub_env_set (state[0].arg, uuid); + else + grub_printf ("%s", uuid); + grub_free (uuid); + grub_device_close (dev); + return GRUB_ERR_NONE; + } + if (state[5].set) + { + char *label; + if (! fs->fs_label) + return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET, + N_("filesystem `%s' does not support labels"), + fs->name); + err = fs->fs_label (dev, &label); + if (err) + return err; + if (! label) + return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET, + N_("filesystem `%s' does not support labels"), + fs->name); + + if (state[0].set) + grub_env_set (state[0].arg, label); + else + grub_printf ("%s", label); + grub_free (label); + grub_device_close (dev); + return GRUB_ERR_NONE; + } + grub_device_close (dev); + return grub_error (GRUB_ERR_BAD_ARGUMENT, "unrecognised target"); +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT (probe) +{ + cmd = grub_register_extcmd ("probe", grub_cmd_probe, 0, N_("DEVICE"), + N_("Retrieve device info."), options); +} + +GRUB_MOD_FINI (probe) +{ + grub_unregister_extcmd (cmd); +} diff --git a/grub-core/commands/read.c b/grub-core/commands/read.c new file mode 100644 index 0000000..fe3e88b --- /dev/null +++ b/grub-core/commands/read.c @@ -0,0 +1,92 @@ +/* read.c - Command to read variables from user. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2006,2007,2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/env.h> +#include <grub/term.h> +#include <grub/types.h> +#include <grub/command.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static char * +grub_getline (void) +{ + int i; + char *line; + char *tmp; + char c; + + i = 0; + line = grub_malloc (1 + i + sizeof('\0')); + if (! line) + return NULL; + + while (1) + { + c = grub_getkey (); + if ((c == '\n') || (c == '\r')) + break; + + line[i] = c; + if (grub_isprint (c)) + grub_printf ("%c", c); + i++; + tmp = grub_realloc (line, 1 + i + sizeof('\0')); + if (! tmp) + { + grub_free (line); + return NULL; + } + line = tmp; + } + line[i] = '\0'; + + return line; +} + +static grub_err_t +grub_cmd_read (grub_command_t cmd __attribute__ ((unused)), int argc, char **args) +{ + char *line = grub_getline (); + if (! line) + return grub_errno; + if (argc > 0) + grub_env_set (args[0], line); + + grub_free (line); + return 0; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(read) +{ + cmd = grub_register_command ("read", grub_cmd_read, + N_("[ENVVAR]"), + N_("Set variable with user input.")); +} + +GRUB_MOD_FINI(read) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/reboot.c b/grub-core/commands/reboot.c new file mode 100644 index 0000000..46d364c --- /dev/null +++ b/grub-core/commands/reboot.c @@ -0,0 +1,46 @@ +/* reboot.c - command to reboot the computer. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2005,2007,2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/command.h> +#include <grub/misc.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_err_t __attribute__ ((noreturn)) +grub_cmd_reboot (grub_command_t cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) +{ + grub_reboot (); +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(reboot) +{ + cmd = grub_register_command ("reboot", grub_cmd_reboot, + 0, N_("Reboot the computer.")); +} + +GRUB_MOD_FINI(reboot) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/regexp.c b/grub-core/commands/regexp.c new file mode 100644 index 0000000..612003f --- /dev/null +++ b/grub-core/commands/regexp.c @@ -0,0 +1,168 @@ +/* regexp.c -- The regexp command. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2005,2007 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/err.h> +#include <grub/env.h> +#include <grub/extcmd.h> +#include <grub/i18n.h> +#include <grub/script_sh.h> +#include <regex.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static const struct grub_arg_option options[] = + { + { "set", 's', GRUB_ARG_OPTION_REPEATABLE, + /* TRANSLATORS: in regexp you can mark some + groups with parentheses. These groups are + then numbered and you can save some of + them in variables. In other programs + those components aree often referenced with + back slash, e.g. \1. Compare + sed -e 's,\([a-z][a-z]*\),lowercase=\1,g' + The whole matching component is saved in VARNAME, not its number. + */ + N_("Store matched component NUMBER in VARNAME."), + N_("[NUMBER:]VARNAME"), ARG_TYPE_STRING }, + { 0, 0, 0, 0, 0, 0 } + }; + +static grub_err_t +setvar (char *str, char *v, regmatch_t *m) +{ + char ch; + grub_err_t err; + ch = str[m->rm_eo]; + str[m->rm_eo] = '\0'; + err = grub_env_set (v, str + m->rm_so); + str[m->rm_eo] = ch; + return err; +} + +static grub_err_t +set_matches (char **varnames, char *str, grub_size_t nmatches, + regmatch_t *matches) +{ + int i; + char *p; + const char * q; + grub_err_t err; + unsigned long j; + + for (i = 0; varnames && varnames[i]; i++) + { + err = GRUB_ERR_NONE; + p = grub_strchr (varnames[i], ':'); + if (! p) + { + /* varname w/o index defaults to 1 */ + if (nmatches < 2 || matches[1].rm_so == -1) + grub_env_unset (varnames[i]); + else + err = setvar (str, varnames[i], &matches[1]); + } + else + { + j = grub_strtoul (varnames[i], &q, 10); + if (q != p) + return grub_error (GRUB_ERR_BAD_ARGUMENT, + "invalid variable name format %s", varnames[i]); + + if (nmatches <= j || matches[j].rm_so == -1) + grub_env_unset (p + 1); + else + err = setvar (str, p + 1, &matches[j]); + } + + if (err != GRUB_ERR_NONE) + return err; + } + return GRUB_ERR_NONE; +} + +static grub_err_t +grub_cmd_regexp (grub_extcmd_context_t ctxt, int argc, char **args) +{ + regex_t regex; + int ret; + grub_size_t s; + char *comperr; + grub_err_t err; + regmatch_t *matches = 0; + + if (argc != 2) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("two arguments expected")); + + ret = regcomp (®ex, args[0], REG_EXTENDED); + if (ret) + goto fail; + + matches = grub_calloc (regex.re_nsub + 1, sizeof (*matches)); + if (! matches) + goto fail; + + ret = regexec (®ex, args[1], regex.re_nsub + 1, matches, 0); + if (!ret) + { + err = set_matches (ctxt->state[0].args, args[1], + regex.re_nsub + 1, matches); + regfree (®ex); + grub_free (matches); + return err; + } + + fail: + grub_free (matches); + s = regerror (ret, ®ex, 0, 0); + comperr = grub_malloc (s); + if (!comperr) + { + regfree (®ex); + return grub_errno; + } + regerror (ret, ®ex, comperr, s); + err = grub_error (GRUB_ERR_TEST_FAILURE, "%s", comperr); + regfree (®ex); + grub_free (comperr); + return err; +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT(regexp) +{ + cmd = grub_register_extcmd ("regexp", grub_cmd_regexp, 0, + /* TRANSLATORS: This are two arguments. So it's + two separate units to translate and pay + attention not to reverse them. */ + N_("REGEXP STRING"), + N_("Test if REGEXP matches STRING."), options); + + /* Setup GRUB script wildcard translator. */ + grub_wildcard_translator = &grub_filename_translator; +} + +GRUB_MOD_FINI(regexp) +{ + grub_unregister_extcmd (cmd); + grub_wildcard_translator = 0; +} diff --git a/grub-core/commands/search.c b/grub-core/commands/search.c new file mode 100644 index 0000000..ed090b3 --- /dev/null +++ b/grub-core/commands/search.c @@ -0,0 +1,337 @@ +/* search.c - search devices based on a file or a filesystem label */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2005,2007,2008,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/types.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/err.h> +#include <grub/dl.h> +#include <grub/device.h> +#include <grub/file.h> +#include <grub/env.h> +#include <grub/command.h> +#include <grub/search.h> +#include <grub/i18n.h> +#include <grub/disk.h> +#include <grub/partition.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +struct cache_entry +{ + struct cache_entry *next; + char *key; + char *value; +}; + +static struct cache_entry *cache; + +/* Context for FUNC_NAME. */ +struct search_ctx +{ + const char *key; + const char *var; + int no_floppy; + char **hints; + unsigned nhints; + int count; + int is_cache; +}; + +/* Helper for FUNC_NAME. */ +static int +iterate_device (const char *name, void *data) +{ + struct search_ctx *ctx = data; + int found = 0; + + /* Skip floppy drives when requested. */ + if (ctx->no_floppy && + name[0] == 'f' && name[1] == 'd' && name[2] >= '0' && name[2] <= '9') + return 1; + +#ifdef DO_SEARCH_FS_UUID +#define compare_fn grub_strcasecmp +#else +#define compare_fn grub_strcmp +#endif + +#ifdef DO_SEARCH_FILE + { + char *buf; + grub_file_t file; + + buf = grub_xasprintf ("(%s)%s", name, ctx->key); + if (! buf) + return 1; + + file = grub_file_open (buf, GRUB_FILE_TYPE_FS_SEARCH + | GRUB_FILE_TYPE_NO_DECOMPRESS); + if (file) + { + found = 1; + grub_file_close (file); + } + grub_free (buf); + } +#else + { + /* SEARCH_FS_UUID or SEARCH_LABEL */ + grub_device_t dev; + grub_fs_t fs; + char *quid; + + dev = grub_device_open (name); + if (dev) + { + fs = grub_fs_probe (dev); + +#ifdef DO_SEARCH_FS_UUID +#define read_fn fs_uuid +#else +#define read_fn fs_label +#endif + + if (fs && fs->read_fn) + { + fs->read_fn (dev, &quid); + + if (grub_errno == GRUB_ERR_NONE && quid) + { + if (compare_fn (quid, ctx->key) == 0) + found = 1; + + grub_free (quid); + } + } + + grub_device_close (dev); + } + } +#endif + + if (!ctx->is_cache && found && ctx->count == 0) + { + struct cache_entry *cache_ent; + cache_ent = grub_malloc (sizeof (*cache_ent)); + if (cache_ent) + { + cache_ent->key = grub_strdup (ctx->key); + cache_ent->value = grub_strdup (name); + if (cache_ent->value && cache_ent->key) + { + cache_ent->next = cache; + cache = cache_ent; + } + else + { + grub_free (cache_ent->value); + grub_free (cache_ent->key); + grub_free (cache_ent); + grub_errno = GRUB_ERR_NONE; + } + } + else + grub_errno = GRUB_ERR_NONE; + } + + if (found) + { + ctx->count++; + if (ctx->var) + grub_env_set (ctx->var, name); + else + grub_printf (" %s", name); + } + + grub_errno = GRUB_ERR_NONE; + return (found && ctx->var); +} + +/* Helper for FUNC_NAME. */ +static int +part_hook (grub_disk_t disk, const grub_partition_t partition, void *data) +{ + struct search_ctx *ctx = data; + char *partition_name, *devname; + int ret; + + partition_name = grub_partition_get_name (partition); + if (! partition_name) + return 1; + + devname = grub_xasprintf ("%s,%s", disk->name, partition_name); + grub_free (partition_name); + if (!devname) + return 1; + ret = iterate_device (devname, ctx); + grub_free (devname); + + return ret; +} + +/* Helper for FUNC_NAME. */ +static void +try (struct search_ctx *ctx) +{ + unsigned i; + struct cache_entry **prev; + struct cache_entry *cache_ent; + + for (prev = &cache, cache_ent = *prev; cache_ent; + prev = &cache_ent->next, cache_ent = *prev) + if (compare_fn (cache_ent->key, ctx->key) == 0) + break; + if (cache_ent) + { + ctx->is_cache = 1; + if (iterate_device (cache_ent->value, ctx)) + { + ctx->is_cache = 0; + return; + } + ctx->is_cache = 0; + /* Cache entry was outdated. Remove it. */ + if (!ctx->count) + { + *prev = cache_ent->next; + grub_free (cache_ent->key); + grub_free (cache_ent->value); + grub_free (cache_ent); + } + } + + for (i = 0; i < ctx->nhints; i++) + { + char *end; + if (!ctx->hints[i][0]) + continue; + end = ctx->hints[i] + grub_strlen (ctx->hints[i]) - 1; + if (*end == ',') + *end = 0; + if (iterate_device (ctx->hints[i], ctx)) + { + if (!*end) + *end = ','; + return; + } + if (!*end) + { + grub_device_t dev; + int ret; + dev = grub_device_open (ctx->hints[i]); + if (!dev) + { + if (!*end) + *end = ','; + continue; + } + if (!dev->disk) + { + grub_device_close (dev); + if (!*end) + *end = ','; + continue; + } + ret = grub_partition_iterate (dev->disk, part_hook, ctx); + if (!*end) + *end = ','; + grub_device_close (dev); + if (ret) + return; + } + } + grub_device_iterate (iterate_device, ctx); +} + +void +FUNC_NAME (const char *key, const char *var, int no_floppy, + char **hints, unsigned nhints) +{ + struct search_ctx ctx = { + .key = key, + .var = var, + .no_floppy = no_floppy, + .hints = hints, + .nhints = nhints, + .count = 0, + .is_cache = 0 + }; + grub_fs_autoload_hook_t saved_autoload; + + /* First try without autoloading if we're setting variable. */ + if (var) + { + saved_autoload = grub_fs_autoload_hook; + grub_fs_autoload_hook = 0; + try (&ctx); + + /* Restore autoload hook. */ + grub_fs_autoload_hook = saved_autoload; + + /* Retry with autoload if nothing found. */ + if (grub_errno == GRUB_ERR_NONE && ctx.count == 0) + try (&ctx); + } + else + try (&ctx); + + if (grub_errno == GRUB_ERR_NONE && ctx.count == 0) + grub_error (GRUB_ERR_FILE_NOT_FOUND, "no such device: %s", key); +} + +static grub_err_t +grub_cmd_do_search (grub_command_t cmd __attribute__ ((unused)), int argc, + char **args) +{ + if (argc == 0) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected")); + + FUNC_NAME (args[0], argc == 1 ? 0 : args[1], 0, (args + 2), + argc > 2 ? argc - 2 : 0); + + return grub_errno; +} + +static grub_command_t cmd; + +#ifdef DO_SEARCH_FILE +GRUB_MOD_INIT(search_fs_file) +#elif defined (DO_SEARCH_FS_UUID) +GRUB_MOD_INIT(search_fs_uuid) +#else +GRUB_MOD_INIT(search_label) +#endif +{ + cmd = + grub_register_command (COMMAND_NAME, grub_cmd_do_search, + N_("NAME [VARIABLE] [HINTS]"), + HELP_MESSAGE); +} + +#ifdef DO_SEARCH_FILE +GRUB_MOD_FINI(search_fs_file) +#elif defined (DO_SEARCH_FS_UUID) +GRUB_MOD_FINI(search_fs_uuid) +#else +GRUB_MOD_FINI(search_label) +#endif +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/search_file.c b/grub-core/commands/search_file.c new file mode 100644 index 0000000..cc2a5f9 --- /dev/null +++ b/grub-core/commands/search_file.c @@ -0,0 +1,5 @@ +#define DO_SEARCH_FILE 1 +#define FUNC_NAME grub_search_fs_file +#define COMMAND_NAME "search.file" +#define HELP_MESSAGE N_("Search devices by file. If VARIABLE is specified, the first device found is set to a variable.") +#include "search.c" diff --git a/grub-core/commands/search_label.c b/grub-core/commands/search_label.c new file mode 100644 index 0000000..12e7c18 --- /dev/null +++ b/grub-core/commands/search_label.c @@ -0,0 +1,5 @@ +#define DO_SEARCH_FS_LABEL 1 +#define FUNC_NAME grub_search_label +#define COMMAND_NAME "search.fs_label" +#define HELP_MESSAGE N_("Search devices by label. If VARIABLE is specified, the first device found is set to a variable.") +#include "search.c" diff --git a/grub-core/commands/search_uuid.c b/grub-core/commands/search_uuid.c new file mode 100644 index 0000000..541bcf5 --- /dev/null +++ b/grub-core/commands/search_uuid.c @@ -0,0 +1,5 @@ +#define DO_SEARCH_FS_UUID 1 +#define FUNC_NAME grub_search_fs_uuid +#define COMMAND_NAME "search.fs_uuid" +#define HELP_MESSAGE N_("Search devices by UUID. If VARIABLE is specified, the first device found is set to a variable.") +#include "search.c" diff --git a/grub-core/commands/search_wrap.c b/grub-core/commands/search_wrap.c new file mode 100644 index 0000000..47fc8eb --- /dev/null +++ b/grub-core/commands/search_wrap.c @@ -0,0 +1,220 @@ +/* search.c - search devices based on a file or a filesystem label */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2005,2007,2008,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/types.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/err.h> +#include <grub/dl.h> +#include <grub/env.h> +#include <grub/extcmd.h> +#include <grub/search.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static const struct grub_arg_option options[] = + { + {"file", 'f', 0, N_("Search devices by a file."), 0, 0}, + {"label", 'l', 0, N_("Search devices by a filesystem label."), + 0, 0}, + {"fs-uuid", 'u', 0, N_("Search devices by a filesystem UUID."), + 0, 0}, + {"set", 's', GRUB_ARG_OPTION_OPTIONAL, + N_("Set a variable to the first device found."), N_("VARNAME"), + ARG_TYPE_STRING}, + {"no-floppy", 'n', 0, N_("Do not probe any floppy drive."), 0, 0}, + {"hint", 'h', GRUB_ARG_OPTION_REPEATABLE, + N_("First try the device HINT. If HINT ends in comma, " + "also try subpartitions"), N_("HINT"), ARG_TYPE_STRING}, + {"hint-ieee1275", 0, GRUB_ARG_OPTION_REPEATABLE, + N_("First try the device HINT if currently running on IEEE1275. " + "If HINT ends in comma, also try subpartitions"), + N_("HINT"), ARG_TYPE_STRING}, + {"hint-bios", 0, GRUB_ARG_OPTION_REPEATABLE, + N_("First try the device HINT if currently running on BIOS. " + "If HINT ends in comma, also try subpartitions"), + N_("HINT"), ARG_TYPE_STRING}, + {"hint-baremetal", 0, GRUB_ARG_OPTION_REPEATABLE, + N_("First try the device HINT if direct hardware access is supported. " + "If HINT ends in comma, also try subpartitions"), + N_("HINT"), ARG_TYPE_STRING}, + {"hint-efi", 0, GRUB_ARG_OPTION_REPEATABLE, + N_("First try the device HINT if currently running on EFI. " + "If HINT ends in comma, also try subpartitions"), + N_("HINT"), ARG_TYPE_STRING}, + {"hint-arc", 0, GRUB_ARG_OPTION_REPEATABLE, + N_("First try the device HINT if currently running on ARC." + " If HINT ends in comma, also try subpartitions"), + N_("HINT"), ARG_TYPE_STRING}, + {0, 0, 0, 0, 0, 0} + }; + +enum options + { + SEARCH_FILE, + SEARCH_LABEL, + SEARCH_FS_UUID, + SEARCH_SET, + SEARCH_NO_FLOPPY, + SEARCH_HINT, + SEARCH_HINT_IEEE1275, + SEARCH_HINT_BIOS, + SEARCH_HINT_BAREMETAL, + SEARCH_HINT_EFI, + SEARCH_HINT_ARC, + }; + +static grub_err_t +grub_cmd_search (grub_extcmd_context_t ctxt, int argc, char **args) +{ + struct grub_arg_list *state = ctxt->state; + const char *var = 0; + const char *id = 0; + int i = 0, j = 0, nhints = 0; + char **hints = NULL; + + if (state[SEARCH_HINT].set) + for (i = 0; state[SEARCH_HINT].args[i]; i++) + nhints++; + +#ifdef GRUB_MACHINE_IEEE1275 + if (state[SEARCH_HINT_IEEE1275].set) + for (i = 0; state[SEARCH_HINT_IEEE1275].args[i]; i++) + nhints++; +#endif + +#ifdef GRUB_MACHINE_EFI + if (state[SEARCH_HINT_EFI].set) + for (i = 0; state[SEARCH_HINT_EFI].args[i]; i++) + nhints++; +#endif + +#ifdef GRUB_MACHINE_PCBIOS + if (state[SEARCH_HINT_BIOS].set) + for (i = 0; state[SEARCH_HINT_BIOS].args[i]; i++) + nhints++; +#endif + +#ifdef GRUB_MACHINE_ARC + if (state[SEARCH_HINT_ARC].set) + for (i = 0; state[SEARCH_HINT_ARC].args[i]; i++) + nhints++; +#endif + + if (state[SEARCH_HINT_BAREMETAL].set) + for (i = 0; state[SEARCH_HINT_BAREMETAL].args[i]; i++) + nhints++; + + hints = grub_calloc (nhints, sizeof (hints[0])); + if (!hints) + return grub_errno; + j = 0; + + if (state[SEARCH_HINT].set) + for (i = 0; state[SEARCH_HINT].args[i]; i++) + hints[j++] = state[SEARCH_HINT].args[i]; + +#ifdef GRUB_MACHINE_IEEE1275 + if (state[SEARCH_HINT_IEEE1275].set) + for (i = 0; state[SEARCH_HINT_IEEE1275].args[i]; i++) + hints[j++] = state[SEARCH_HINT_IEEE1275].args[i]; +#endif + +#ifdef GRUB_MACHINE_EFI + if (state[SEARCH_HINT_EFI].set) + for (i = 0; state[SEARCH_HINT_EFI].args[i]; i++) + hints[j++] = state[SEARCH_HINT_EFI].args[i]; +#endif + +#ifdef GRUB_MACHINE_ARC + if (state[SEARCH_HINT_ARC].set) + for (i = 0; state[SEARCH_HINT_ARC].args[i]; i++) + hints[j++] = state[SEARCH_HINT_ARC].args[i]; +#endif + +#ifdef GRUB_MACHINE_PCBIOS + if (state[SEARCH_HINT_BIOS].set) + for (i = 0; state[SEARCH_HINT_BIOS].args[i]; i++) + hints[j++] = state[SEARCH_HINT_BIOS].args[i]; +#endif + + if (state[SEARCH_HINT_BAREMETAL].set) + for (i = 0; state[SEARCH_HINT_BAREMETAL].args[i]; i++) + hints[j++] = state[SEARCH_HINT_BAREMETAL].args[i]; + + /* Skip hints for future platforms. */ + for (j = 0; j < argc; j++) + if (grub_memcmp (args[j], "--hint-", sizeof ("--hint-") - 1) != 0) + break; + + if (state[SEARCH_SET].set) + var = state[SEARCH_SET].arg ? state[SEARCH_SET].arg : "root"; + + if (argc != j) + id = args[j]; + else if (state[SEARCH_SET].set && state[SEARCH_SET].arg) + { + id = state[SEARCH_SET].arg; + var = "root"; + } + else + { + grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected")); + goto out; + } + + if (state[SEARCH_LABEL].set) + grub_search_label (id, var, state[SEARCH_NO_FLOPPY].set, + hints, nhints); + else if (state[SEARCH_FS_UUID].set) + grub_search_fs_uuid (id, var, state[SEARCH_NO_FLOPPY].set, + hints, nhints); + else if (state[SEARCH_FILE].set) + grub_search_fs_file (id, var, state[SEARCH_NO_FLOPPY].set, + hints, nhints); + else + grub_error (GRUB_ERR_INVALID_COMMAND, "unspecified search type"); + +out: + grub_free (hints); + return grub_errno; +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT(search) +{ + cmd = + grub_register_extcmd ("search", grub_cmd_search, + GRUB_COMMAND_FLAG_EXTRACTOR | GRUB_COMMAND_ACCEPT_DASH, + N_("[-f|-l|-u|-s|-n] [--hint HINT [--hint HINT] ...]" + " NAME"), + N_("Search devices by file, filesystem label" + " or filesystem UUID." + " If --set is specified, the first device found is" + " set to a variable. If no variable name is" + " specified, `root' is used."), + options); +} + +GRUB_MOD_FINI(search) +{ + grub_unregister_extcmd (cmd); +} diff --git a/grub-core/commands/setpci.c b/grub-core/commands/setpci.c new file mode 100644 index 0000000..8a0c91f --- /dev/null +++ b/grub-core/commands/setpci.c @@ -0,0 +1,340 @@ +/* lspci.c - List PCI devices. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008, 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/pci.h> +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/extcmd.h> +#include <grub/env.h> +#include <grub/mm.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +struct pci_register +{ + const char *name; + grub_uint16_t addr; + unsigned size; +}; + +static struct pci_register pci_registers[] = + { + {"VENDOR_ID", GRUB_PCI_REG_VENDOR , 2}, + {"DEVICE_ID", GRUB_PCI_REG_DEVICE , 2}, + {"COMMAND", GRUB_PCI_REG_COMMAND , 2}, + {"STATUS", GRUB_PCI_REG_STATUS , 2}, + {"REVISION", GRUB_PCI_REG_REVISION , 1}, + {"CLASS_PROG", GRUB_PCI_REG_CLASS + 1 , 1}, + {"CLASS_DEVICE", GRUB_PCI_REG_CLASS + 2 , 2}, + {"CACHE_LINE_SIZE", GRUB_PCI_REG_CACHELINE , 1}, + {"LATENCY_TIMER", GRUB_PCI_REG_LAT_TIMER , 1}, + {"HEADER_TYPE", GRUB_PCI_REG_HEADER_TYPE , 1}, + {"BIST", GRUB_PCI_REG_BIST , 1}, + {"BASE_ADDRESS_0", GRUB_PCI_REG_ADDRESS_REG0, 4}, + {"BASE_ADDRESS_1", GRUB_PCI_REG_ADDRESS_REG1, 4}, + {"BASE_ADDRESS_2", GRUB_PCI_REG_ADDRESS_REG2, 4}, + {"BASE_ADDRESS_3", GRUB_PCI_REG_ADDRESS_REG3, 4}, + {"BASE_ADDRESS_4", GRUB_PCI_REG_ADDRESS_REG4, 4}, + {"BASE_ADDRESS_5", GRUB_PCI_REG_ADDRESS_REG5, 4}, + {"CARDBUS_CIS", GRUB_PCI_REG_CIS_POINTER , 4}, + {"SUBVENDOR_ID", GRUB_PCI_REG_SUBVENDOR , 2}, + {"SUBSYSTEM_ID", GRUB_PCI_REG_SUBSYSTEM , 2}, + {"ROM_ADDRESS", GRUB_PCI_REG_ROM_ADDRESS , 4}, + {"CAP_POINTER", GRUB_PCI_REG_CAP_POINTER , 1}, + {"INTERRUPT_LINE", GRUB_PCI_REG_IRQ_LINE , 1}, + {"INTERRUPT_PIN", GRUB_PCI_REG_IRQ_PIN , 1}, + {"MIN_GNT", GRUB_PCI_REG_MIN_GNT , 1}, + {"MAX_LAT", GRUB_PCI_REG_MIN_GNT , 1}, + }; + +static const struct grub_arg_option options[] = + { + {0, 'd', 0, N_("Select device by vendor and device IDs."), + N_("[vendor]:[device]"), ARG_TYPE_STRING}, + {0, 's', 0, N_("Select device by its position on the bus."), + N_("[bus]:[slot][.func]"), ARG_TYPE_STRING}, + {0, 'v', 0, N_("Save read value into variable VARNAME."), + N_("VARNAME"), ARG_TYPE_STRING}, + {0, 0, 0, 0, 0, 0} + }; + +static grub_uint32_t pciid_check_mask, pciid_check_value; +static int bus, device, function; +static int check_bus, check_device, check_function; +static grub_uint32_t write_mask, regwrite; +static int regsize; +static grub_uint16_t regaddr; +static const char *varname; + +static int +grub_setpci_iter (grub_pci_device_t dev, grub_pci_id_t pciid, + void *data __attribute__ ((unused))) +{ + grub_uint32_t regval = 0; + grub_pci_address_t addr; + + if ((pciid & pciid_check_mask) != pciid_check_value) + return 0; + + if (check_bus && grub_pci_get_bus (dev) != bus) + return 0; + + if (check_device && grub_pci_get_device (dev) != device) + return 0; + + if (check_function && grub_pci_get_function (dev) != function) + return 0; + + addr = grub_pci_make_address (dev, regaddr); + + switch (regsize) + { + case 1: + regval = grub_pci_read_byte (addr); + break; + + case 2: + regval = grub_pci_read_word (addr); + break; + + case 4: + regval = grub_pci_read (addr); + break; + } + + if (varname) + { + char buf[sizeof ("XXXXXXXX")]; + grub_snprintf (buf, sizeof (buf), "%x", regval); + grub_env_set (varname, buf); + return 1; + } + + if (!write_mask) + { + grub_printf (_("Register %x of %x:%02x.%x is %x\n"), regaddr, + grub_pci_get_bus (dev), + grub_pci_get_device (dev), + grub_pci_get_function (dev), + regval); + return 0; + } + + regval = (regval & ~write_mask) | regwrite; + + switch (regsize) + { + case 1: + grub_pci_write_byte (addr, regval); + break; + + case 2: + grub_pci_write_word (addr, regval); + break; + + case 4: + grub_pci_write (addr, regval); + break; + } + + return 0; +} + +static grub_err_t +grub_cmd_setpci (grub_extcmd_context_t ctxt, int argc, char **argv) +{ + const char *ptr; + unsigned i; + + pciid_check_value = 0; + pciid_check_mask = 0; + + if (ctxt->state[0].set) + { + ptr = ctxt->state[0].arg; + pciid_check_value |= (grub_strtoul (ptr, &ptr, 16) & 0xffff); + if (grub_errno == GRUB_ERR_BAD_NUMBER) + { + grub_errno = GRUB_ERR_NONE; + ptr = ctxt->state[0].arg; + } + else + pciid_check_mask |= 0xffff; + if (grub_errno) + return grub_errno; + if (*ptr != ':') + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("missing `%c' symbol"), ':'); + ptr++; + pciid_check_value |= (grub_strtoul (ptr, &ptr, 16) & 0xffff) << 16; + if (grub_errno == GRUB_ERR_BAD_NUMBER) + grub_errno = GRUB_ERR_NONE; + else + pciid_check_mask |= 0xffff0000; + } + + pciid_check_value &= pciid_check_mask; + + check_bus = check_device = check_function = 0; + + if (ctxt->state[1].set) + { + const char *optr; + + ptr = ctxt->state[1].arg; + optr = ptr; + bus = grub_strtoul (ptr, &ptr, 16); + if (grub_errno == GRUB_ERR_BAD_NUMBER) + { + grub_errno = GRUB_ERR_NONE; + ptr = optr; + } + else + check_bus = 1; + if (grub_errno) + return grub_errno; + if (*ptr != ':') + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("missing `%c' symbol"), ':'); + ptr++; + optr = ptr; + device = grub_strtoul (ptr, &ptr, 16); + if (grub_errno == GRUB_ERR_BAD_NUMBER) + { + grub_errno = GRUB_ERR_NONE; + ptr = optr; + } + else + check_device = 1; + if (*ptr == '.') + { + ptr++; + function = grub_strtoul (ptr, &ptr, 16); + if (grub_errno) + return grub_errno; + check_function = 1; + } + } + + if (ctxt->state[2].set) + varname = ctxt->state[2].arg; + else + varname = NULL; + + write_mask = 0; + + if (argc != 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected")); + + ptr = argv[0]; + + for (i = 0; i < ARRAY_SIZE (pci_registers); i++) + { + if (grub_strncmp (ptr, pci_registers[i].name, + grub_strlen (pci_registers[i].name)) == 0) + break; + } + if (i == ARRAY_SIZE (pci_registers)) + { + regsize = 0; + regaddr = grub_strtoul (ptr, &ptr, 16); + if (grub_errno) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "unknown register"); + } + else + { + regaddr = pci_registers[i].addr; + regsize = pci_registers[i].size; + ptr += grub_strlen (pci_registers[i].name); + } + + if (grub_errno) + return grub_errno; + + if (*ptr == '+') + { + ptr++; + regaddr += grub_strtoul (ptr, &ptr, 16); + if (grub_errno) + return grub_errno; + } + + if (grub_memcmp (ptr, ".L", sizeof (".L") - 1) == 0 + || grub_memcmp (ptr, ".l", sizeof (".l") - 1) == 0) + { + regsize = 4; + ptr += sizeof (".l") - 1; + } + else if (grub_memcmp (ptr, ".W", sizeof (".W") - 1) == 0 + || grub_memcmp (ptr, ".w", sizeof (".w") - 1) == 0) + { + regsize = 2; + ptr += sizeof (".w") - 1; + } + else if (grub_memcmp (ptr, ".B", sizeof (".B") - 1) == 0 + || grub_memcmp (ptr, ".b", sizeof (".b") - 1) == 0) + { + regsize = 1; + ptr += sizeof (".b") - 1; + } + + if (!regsize) + return grub_error (GRUB_ERR_BAD_ARGUMENT, + "unknown register size"); + + write_mask = 0; + if (*ptr == '=') + { + ptr++; + regwrite = grub_strtoul (ptr, &ptr, 16); + if (grub_errno) + return grub_errno; + write_mask = 0xffffffff; + if (*ptr == ':') + { + ptr++; + write_mask = grub_strtoul (ptr, &ptr, 16); + if (grub_errno) + return grub_errno; + write_mask = 0xffffffff; + } + regwrite &= write_mask; + } + + if (write_mask && varname) + return grub_error (GRUB_ERR_BAD_ARGUMENT, + "option -v isn't valid for writes"); + + grub_pci_iterate (grub_setpci_iter, NULL); + return GRUB_ERR_NONE; +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT(setpci) +{ + cmd = grub_register_extcmd_lockdown ("setpci", grub_cmd_setpci, 0, + N_("[-s POSITION] [-d DEVICE] [-v VAR] " + "REGISTER[=VALUE[:MASK]]"), + N_("Manipulate PCI devices."), options); +} + +GRUB_MOD_FINI(setpci) +{ + grub_unregister_extcmd (cmd); +} diff --git a/grub-core/commands/sleep.c b/grub-core/commands/sleep.c new file mode 100644 index 0000000..a1370b7 --- /dev/null +++ b/grub-core/commands/sleep.c @@ -0,0 +1,117 @@ +/* sleep.c - Command to wait a specified number of seconds. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2006,2007,2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/term.h> +#include <grub/time.h> +#include <grub/types.h> +#include <grub/misc.h> +#include <grub/extcmd.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static const struct grub_arg_option options[] = + { + {"verbose", 'v', 0, N_("Verbose countdown."), 0, 0}, + {"interruptible", 'i', 0, N_("Allow to interrupt with ESC."), 0, 0}, + {0, 0, 0, 0, 0, 0} + }; + +static struct grub_term_coordinate *pos; + +static void +do_print (int n) +{ + grub_term_restore_pos (pos); + /* NOTE: Do not remove the trailing space characters. + They are required to clear the line. */ + grub_printf ("%d ", n); + grub_refresh (); +} + +/* Based on grub_millisleep() from kern/generic/millisleep.c. */ +static int +grub_interruptible_millisleep (grub_uint32_t ms) +{ + grub_uint64_t start; + + start = grub_get_time_ms (); + + while (grub_get_time_ms () - start < ms) + if (grub_key_is_interrupt (grub_getkey_noblock ())) + return 1; + + return 0; +} + +static grub_err_t +grub_cmd_sleep (grub_extcmd_context_t ctxt, int argc, char **args) +{ + struct grub_arg_list *state = ctxt->state; + int n; + + if (argc != 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected")); + + n = grub_strtoul (args[0], 0, 10); + + if (n == 0) + { + /* Either `0' or broken input. */ + return 0; + } + + grub_refresh (); + + pos = grub_term_save_pos (); + + for (; n; n--) + { + if (state[0].set) + do_print (n); + + if (state[1].set) + { + if (grub_interruptible_millisleep (1000)) + return 1; + } + else + grub_millisleep (1000); + } + if (state[0].set) + do_print (0); + + return 0; +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT(sleep) +{ + cmd = grub_register_extcmd ("sleep", grub_cmd_sleep, 0, + N_("NUMBER_OF_SECONDS"), + N_("Wait for a specified number of seconds."), + options); +} + +GRUB_MOD_FINI(sleep) +{ + grub_unregister_extcmd (cmd); +} diff --git a/grub-core/commands/smbios.c b/grub-core/commands/smbios.c new file mode 100644 index 0000000..1a9086d --- /dev/null +++ b/grub-core/commands/smbios.c @@ -0,0 +1,398 @@ +/* smbios.c - retrieve smbios information. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2019 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/env.h> +#include <grub/extcmd.h> +#include <grub/i18n.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/smbios.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +/* Abstract useful values found in either the SMBIOS3 or SMBIOS EPS. */ +static struct { + grub_addr_t start; + grub_addr_t end; + grub_uint16_t structures; +} table_desc; + +static grub_extcmd_t cmd; + +/* Locate the SMBIOS entry point structure depending on the hardware. */ +struct grub_smbios_eps * +grub_smbios_get_eps (void) +{ + static struct grub_smbios_eps *eps = NULL; + + if (eps != NULL) + return eps; + + eps = grub_machine_smbios_get_eps (); + + return eps; +} + +/* Locate the SMBIOS3 entry point structure depending on the hardware. */ +static struct grub_smbios_eps3 * +grub_smbios_get_eps3 (void) +{ + static struct grub_smbios_eps3 *eps = NULL; + + if (eps != NULL) + return eps; + + eps = grub_machine_smbios_get_eps3 (); + + return eps; +} + +static char * +linux_string (const char *value) +{ + char *out = grub_malloc( grub_strlen (value) + 1); + const char *src = value; + char *dst = out; + + for (; *src; src++) + if (*src > ' ' && *src < 127 && *src != ':') + *dst++ = *src; + + *dst = 0; + return out; +} + +/* + * These functions convert values from the various SMBIOS structure field types + * into a string formatted to be returned to the user. They expect that the + * structure and offset were already validated. When the requested data is + * successfully retrieved and formatted, the pointer to the string is returned; + * otherwise, NULL is returned on failure. Don't free the result. + */ + +static const char * +grub_smbios_format_byte (const grub_uint8_t *structure, grub_uint8_t offset) +{ + static char buffer[sizeof ("255")]; + + grub_snprintf (buffer, sizeof (buffer), "%u", structure[offset]); + + return (const char *)buffer; +} + +static const char * +grub_smbios_format_word (const grub_uint8_t *structure, grub_uint8_t offset) +{ + static char buffer[sizeof ("65535")]; + + grub_uint16_t value = grub_get_unaligned16 (structure + offset); + grub_snprintf (buffer, sizeof (buffer), "%u", value); + + return (const char *)buffer; +} + +static const char * +grub_smbios_format_dword (const grub_uint8_t *structure, grub_uint8_t offset) +{ + static char buffer[sizeof ("4294967295")]; + + grub_uint32_t value = grub_get_unaligned32 (structure + offset); + grub_snprintf (buffer, sizeof (buffer), "%" PRIuGRUB_UINT32_T, value); + + return (const char *)buffer; +} + +static const char * +grub_smbios_format_qword (const grub_uint8_t *structure, grub_uint8_t offset) +{ + static char buffer[sizeof ("18446744073709551615")]; + + grub_uint64_t value = grub_get_unaligned64 (structure + offset); + grub_snprintf (buffer, sizeof (buffer), "%" PRIuGRUB_UINT64_T, value); + + return (const char *)buffer; +} + +static const char * +grub_smbios_get_string (const grub_uint8_t *structure, grub_uint8_t offset) +{ + const grub_uint8_t *ptr = structure + structure[1]; + const grub_uint8_t *table_end = (const grub_uint8_t *)table_desc.end; + const grub_uint8_t referenced_string_number = structure[offset]; + grub_uint8_t i; + + /* A string referenced with zero is interpreted as unset. */ + if (referenced_string_number == 0) + return NULL; + + /* Search the string set. */ + for (i = 1; *ptr != 0 && ptr < table_end; i++) + if (i == referenced_string_number) + { + const char *str = (const char *)ptr; + while (*ptr++ != 0) + if (ptr >= table_end) + return NULL; /* The string isn't terminated. */ + return str; + } + else + while (*ptr++ != 0 && ptr < table_end); + + /* The string number is greater than the number of strings in the set. */ + return NULL; +} + +static const char * +grub_smbios_format_uuid (const grub_uint8_t *structure, grub_uint8_t offset) +{ + static char buffer[sizeof ("ffffffff-ffff-ffff-ffff-ffffffffffff")]; + const grub_uint8_t *f = structure + offset; /* little-endian fields */ + const grub_uint8_t *g = f + 8; /* byte-by-byte fields */ + + grub_snprintf (buffer, sizeof (buffer), + "%02x%02x%02x%02x-%02x%02x-%02x%02x-" + "%02x%02x-%02x%02x%02x%02x%02x%02x", + f[3], f[2], f[1], f[0], f[5], f[4], f[7], f[6], + g[0], g[1], g[2], g[3], g[4], g[5], g[6], g[7]); + + return (const char *)buffer; +} + +/* List the field formatting functions and the number of bytes they need. */ +static const struct { + const char *(*format) (const grub_uint8_t *structure, grub_uint8_t offset); + grub_uint8_t field_length; +} field_extractors[] = { + {grub_smbios_format_byte, 1}, + {grub_smbios_format_word, 2}, + {grub_smbios_format_dword, 4}, + {grub_smbios_format_qword, 8}, + {grub_smbios_get_string, 1}, + {grub_smbios_format_uuid, 16} +}; + +/* List command options, with structure field getters ordered as above. */ +#define FIRST_GETTER_OPT (3) +#define SETTER_OPT (FIRST_GETTER_OPT + ARRAY_SIZE(field_extractors)) +#define LINUX_OPT (FIRST_GETTER_OPT + ARRAY_SIZE(field_extractors) + 1) + +static const struct grub_arg_option options[] = { + {"type", 't', 0, N_("Match structures with the given type."), + N_("type"), ARG_TYPE_INT}, + {"handle", 'h', 0, N_("Match structures with the given handle."), + N_("handle"), ARG_TYPE_INT}, + {"match", 'm', 0, N_("Select a structure when several match."), + N_("match"), ARG_TYPE_INT}, + {"get-byte", 'b', 0, N_("Get the byte's value at the given offset."), + N_("offset"), ARG_TYPE_INT}, + {"get-word", 'w', 0, N_("Get two bytes' value at the given offset."), + N_("offset"), ARG_TYPE_INT}, + {"get-dword", 'd', 0, N_("Get four bytes' value at the given offset."), + N_("offset"), ARG_TYPE_INT}, + {"get-qword", 'q', 0, N_("Get eight bytes' value at the given offset."), + N_("offset"), ARG_TYPE_INT}, + {"get-string", 's', 0, N_("Get the string specified at the given offset."), + N_("offset"), ARG_TYPE_INT}, + {"get-uuid", 'u', 0, N_("Get the UUID's value at the given offset."), + N_("offset"), ARG_TYPE_INT}, + {"set", '\0', 0, N_("Store the value in the given variable name."), + N_("variable"), ARG_TYPE_STRING}, + {"linux", '\0', 0, N_("Filter the result like linux does."), + N_("variable"), ARG_TYPE_NONE}, + {0, 0, 0, 0, 0, 0} +}; + +/* + * Return a matching SMBIOS structure. + * + * This method can use up to three criteria for selecting a structure: + * - The "type" field (use -1 to ignore) + * - The "handle" field (use -1 to ignore) + * - Which to return if several match (use 0 to ignore) + * + * The return value is a pointer to the first matching structure. If no + * structures match the given parameters, NULL is returned. + */ +static const grub_uint8_t * +grub_smbios_match_structure (const grub_int16_t type, + const grub_int32_t handle, + const grub_uint16_t match) +{ + const grub_uint8_t *ptr = (const grub_uint8_t *)table_desc.start; + const grub_uint8_t *table_end = (const grub_uint8_t *)table_desc.end; + grub_uint16_t structures = table_desc.structures; + grub_uint16_t structure_count = 0; + grub_uint16_t matches = 0; + + while (ptr < table_end + && ptr[1] >= 4 /* Valid structures include the 4-byte header. */ + && (structure_count++ < structures || structures == 0)) + { + grub_uint16_t structure_handle = grub_get_unaligned16 (ptr + 2); + grub_uint8_t structure_type = ptr[0]; + + if ((handle < 0 || handle == structure_handle) + && (type < 0 || type == structure_type) + && (match == 0 || match == ++matches)) + return ptr; + else + { + ptr += ptr[1]; + while ((*ptr++ != 0 || *ptr++ != 0) && ptr < table_end); + } + + if (structure_type == GRUB_SMBIOS_TYPE_END_OF_TABLE) + break; + } + + return NULL; +} + +static grub_err_t +grub_cmd_smbios (grub_extcmd_context_t ctxt, + int argc __attribute__ ((unused)), + char **argv __attribute__ ((unused))) +{ + struct grub_arg_list *state = ctxt->state; + + grub_int16_t type = -1; + grub_int32_t handle = -1; + grub_uint16_t match = 0; + grub_uint8_t offset = 0; + + const grub_uint8_t *structure; + const char *value; + char *modified_value = NULL; + grub_int32_t option; + grub_int8_t field_type = -1; + grub_uint8_t i; + + if (table_desc.start == 0) + return grub_error (GRUB_ERR_IO, + N_("the SMBIOS entry point structure was not found")); + + /* Read the given filtering options. */ + if (state[0].set) + { + option = grub_strtol (state[0].arg, NULL, 0); + if (option < 0 || option > 255) + return grub_error (GRUB_ERR_BAD_ARGUMENT, + N_("the type must be between 0 and 255")); + type = (grub_int16_t)option; + } + if (state[1].set) + { + option = grub_strtol (state[1].arg, NULL, 0); + if (option < 0 || option > 65535) + return grub_error (GRUB_ERR_BAD_ARGUMENT, + N_("the handle must be between 0 and 65535")); + handle = (grub_int32_t)option; + } + if (state[2].set) + { + option = grub_strtol (state[2].arg, NULL, 0); + if (option <= 0 || option > 65535) + return grub_error (GRUB_ERR_BAD_ARGUMENT, + N_("the match must be a positive integer")); + match = (grub_uint16_t)option; + } + + /* Determine the data type of the structure field to retrieve. */ + for (i = 0; i < ARRAY_SIZE(field_extractors); i++) + if (state[FIRST_GETTER_OPT + i].set) + { + if (field_type >= 0) + return grub_error (GRUB_ERR_BAD_ARGUMENT, + N_("only one --get option is usable at a time")); + field_type = i; + } + + /* Require a choice of a structure field to return. */ + if (field_type < 0) + return grub_error (GRUB_ERR_BAD_ARGUMENT, + N_("one of the --get options is required")); + + /* Locate a matching SMBIOS structure. */ + structure = grub_smbios_match_structure (type, handle, match); + if (structure == NULL) + return grub_error (GRUB_ERR_IO, + N_("no structure matched the given options")); + + /* Ensure the requested byte offset is inside the structure. */ + option = grub_strtol (state[FIRST_GETTER_OPT + field_type].arg, NULL, 0); + if (option < 0 || option >= structure[1]) + return grub_error (GRUB_ERR_OUT_OF_RANGE, + N_("the given offset is outside the structure")); + + /* Ensure the requested data type at the offset is inside the structure. */ + offset = (grub_uint8_t)option; + if (offset + field_extractors[field_type].field_length > structure[1]) + return grub_error (GRUB_ERR_OUT_OF_RANGE, + N_("the field ends outside the structure")); + + /* Format the requested structure field into a readable string. */ + value = field_extractors[field_type].format (structure, offset); + if (value == NULL) + return grub_error (GRUB_ERR_IO, + N_("failed to retrieve the structure field")); + + if (state[LINUX_OPT].set) + value = modified_value = linux_string (value); + + /* Store or print the formatted value. */ + if (state[SETTER_OPT].set) + grub_env_set (state[SETTER_OPT].arg, value); + else + grub_printf ("%s\n", value); + + grub_free(modified_value); + + return GRUB_ERR_NONE; +} + +GRUB_MOD_INIT(smbios) +{ + struct grub_smbios_eps3 *eps3; + struct grub_smbios_eps *eps; + + if ((eps3 = grub_smbios_get_eps3 ())) + { + table_desc.start = (grub_addr_t)eps3->table_address; + table_desc.end = table_desc.start + eps3->maximum_table_length; + table_desc.structures = 0; /* SMBIOS3 drops the structure count. */ + } + else if ((eps = grub_smbios_get_eps ())) + { + table_desc.start = (grub_addr_t)eps->intermediate.table_address; + table_desc.end = table_desc.start + eps->intermediate.table_length; + table_desc.structures = eps->intermediate.structures; + } + + cmd = grub_register_extcmd ("smbios", grub_cmd_smbios, 0, + N_("[-t type] [-h handle] [-m match] " + "(-b|-w|-d|-q|-s|-u) offset " + "[--set variable]"), + N_("Retrieve SMBIOS information."), options); +} + +GRUB_MOD_FINI(smbios) +{ + grub_unregister_extcmd (cmd); +} diff --git a/grub-core/commands/syslinuxcfg.c b/grub-core/commands/syslinuxcfg.c new file mode 100644 index 0000000..7be28fa --- /dev/null +++ b/grub-core/commands/syslinuxcfg.c @@ -0,0 +1,217 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2013 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/types.h> +#include <grub/misc.h> +#include <grub/extcmd.h> +#include <grub/mm.h> +#include <grub/err.h> +#include <grub/dl.h> +#include <grub/file.h> +#include <grub/normal.h> +#include <grub/script_sh.h> +#include <grub/i18n.h> +#include <grub/term.h> +#include <grub/syslinux_parse.h> +#include <grub/crypto.h> +#include <grub/auth.h> +#include <grub/disk.h> +#include <grub/partition.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +/* Helper for syslinux_file. */ +static grub_err_t +syslinux_file_getline (char **line, int cont __attribute__ ((unused)), + void *data __attribute__ ((unused))) +{ + *line = 0; + return GRUB_ERR_NONE; +} + +static const struct grub_arg_option options[] = + { + {"root", 'r', 0, + N_("root directory of the syslinux disk [default=/]."), + N_("DIR"), ARG_TYPE_STRING}, + {"cwd", 'c', 0, + N_("current directory of syslinux [default is parent directory of input file]."), + N_("DIR"), ARG_TYPE_STRING}, + {"isolinux", 'i', 0, N_("assume input is an isolinux configuration file."), 0, 0}, + {"pxelinux", 'p', 0, N_("assume input is a pxelinux configuration file."), 0, 0}, + {"syslinux", 's', 0, N_("assume input is a syslinux configuration file."), 0, 0}, + {0, 0, 0, 0, 0, 0} + }; + +enum + { + OPTION_ROOT, + OPTION_CWD, + OPTION_ISOLINUX, + OPTION_PXELINUX, + OPTION_SYSLINUX + }; + +static grub_err_t +syslinux_file (grub_extcmd_context_t ctxt, const char *filename) +{ + char *result; + const char *root = ctxt->state[OPTION_ROOT].set ? ctxt->state[OPTION_ROOT].arg : "/"; + const char *cwd = ctxt->state[OPTION_CWD].set ? ctxt->state[OPTION_CWD].arg : NULL; + grub_syslinux_flavour_t flav = GRUB_SYSLINUX_UNKNOWN; + char *cwdf = NULL; + grub_menu_t menu; + + if (ctxt->state[OPTION_ISOLINUX].set) + flav = GRUB_SYSLINUX_ISOLINUX; + if (ctxt->state[OPTION_PXELINUX].set) + flav = GRUB_SYSLINUX_PXELINUX; + if (ctxt->state[OPTION_SYSLINUX].set) + flav = GRUB_SYSLINUX_SYSLINUX; + + if (!cwd) + { + char *p; + cwdf = grub_strdup (filename); + if (!cwdf) + return grub_errno; + p = grub_strrchr (cwdf, '/'); + if (!p) + { + grub_free (cwdf); + cwd = "/"; + cwdf = NULL; + } + else + { + *p = '\0'; + cwd = cwdf; + } + } + + grub_dprintf ("syslinux", + "transforming syslinux config %s, root = %s, cwd = %s\n", + filename, root, cwd); + + result = grub_syslinux_config_file (root, root, cwd, cwd, filename, flav); + if (!result) + return grub_errno; + + grub_dprintf ("syslinux", "syslinux config transformed\n"); + + menu = grub_env_get_menu (); + if (! menu) + { + menu = grub_zalloc (sizeof (*menu)); + if (! menu) + { + grub_free (result); + return grub_errno; + } + + grub_env_set_menu (menu); + } + + grub_normal_parse_line (result, syslinux_file_getline, NULL); + grub_print_error (); + grub_free (result); + grub_free (cwdf); + + return GRUB_ERR_NONE; +} + +static grub_err_t +grub_cmd_syslinux_source (grub_extcmd_context_t ctxt, + int argc, char **args) +{ + int new_env, extractor; + grub_err_t ret; + + if (argc != 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected")); + + extractor = (ctxt->extcmd->cmd->name[0] == 'e'); + new_env = (ctxt->extcmd->cmd->name[extractor ? (sizeof ("extract_syslinux_entries_") - 1) + : (sizeof ("syslinux_") - 1)] == 'c'); + + if (new_env) + grub_cls (); + + if (new_env && !extractor) + grub_env_context_open (); + if (extractor) + grub_env_extractor_open (!new_env); + + ret = syslinux_file (ctxt, args[0]); + + if (new_env) + { + grub_menu_t menu; + menu = grub_env_get_menu (); + if (menu && menu->size) + grub_show_menu (menu, 1, 0); + if (!extractor) + grub_env_context_close (); + } + if (extractor) + grub_env_extractor_close (!new_env); + + return ret; +} + + +static grub_extcmd_t cmd_source, cmd_configfile; +static grub_extcmd_t cmd_source_extract, cmd_configfile_extract; + +GRUB_MOD_INIT(syslinuxcfg) +{ + cmd_source + = grub_register_extcmd ("syslinux_source", + grub_cmd_syslinux_source, 0, + N_("FILE"), + /* TRANSLATORS: "syslinux config" means + "config as used by syslinux". */ + N_("Execute syslinux config in same context"), + options); + cmd_configfile + = grub_register_extcmd ("syslinux_configfile", + grub_cmd_syslinux_source, 0, + N_("FILE"), + N_("Execute syslinux config in new context"), + options); + cmd_source_extract + = grub_register_extcmd ("extract_syslinux_entries_source", + grub_cmd_syslinux_source, 0, + N_("FILE"), + N_("Execute syslinux config in same context taking only menu entries"), + options); + cmd_configfile_extract + = grub_register_extcmd ("extract_syslinux_entries_configfile", + grub_cmd_syslinux_source, 0, + N_("FILE"), + N_("Execute syslinux config in new context taking only menu entries"), + options); +} + +GRUB_MOD_FINI(syslinuxcfg) +{ + grub_unregister_extcmd (cmd_source); + grub_unregister_extcmd (cmd_configfile); + grub_unregister_extcmd (cmd_source_extract); + grub_unregister_extcmd (cmd_configfile_extract); +} diff --git a/grub-core/commands/terminal.c b/grub-core/commands/terminal.c new file mode 100644 index 0000000..37e0ab8 --- /dev/null +++ b/grub-core/commands/terminal.c @@ -0,0 +1,285 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009,2010 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/mm.h> +#include <grub/dl.h> +#include <grub/command.h> +#include <grub/term.h> +#include <grub/i18n.h> +#include <grub/misc.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +struct grub_term_autoload *grub_term_input_autoload = NULL; +struct grub_term_autoload *grub_term_output_autoload = NULL; + +struct abstract_terminal +{ + struct abstract_terminal *next; + struct abstract_terminal *prev; + const char *name; + grub_err_t (*init) (struct abstract_terminal *term); + grub_err_t (*fini) (struct abstract_terminal *term); +}; + +static grub_err_t +handle_command (int argc, char **args, struct abstract_terminal **enabled, + struct abstract_terminal **disabled, + struct grub_term_autoload *autoloads, + const char *active_str, + const char *available_str) +{ + int i; + struct abstract_terminal *term; + struct grub_term_autoload *aut; + + if (argc == 0) + { + grub_puts_ (active_str); + for (term = *enabled; term; term = term->next) + grub_printf ("%s ", term->name); + grub_printf ("\n"); + grub_puts_ (available_str); + for (term = *disabled; term; term = term->next) + grub_printf ("%s ", term->name); + /* This is quadratic but we don't expect mode than 30 terminal + modules ever. */ + for (aut = autoloads; aut; aut = aut->next) + { + for (term = *disabled; term; term = term->next) + if (grub_strcmp (term->name, aut->name) == 0 + || (aut->name[0] && aut->name[grub_strlen (aut->name) - 1] == '*' + && grub_memcmp (term->name, aut->name, + grub_strlen (aut->name) - 1) == 0)) + break; + if (!term) + for (term = *enabled; term; term = term->next) + if (grub_strcmp (term->name, aut->name) == 0 + || (aut->name[0] && aut->name[grub_strlen (aut->name) - 1] == '*' + && grub_memcmp (term->name, aut->name, + grub_strlen (aut->name) - 1) == 0)) + break; + if (!term) + grub_printf ("%s ", aut->name); + } + grub_printf ("\n"); + return GRUB_ERR_NONE; + } + i = 0; + + if (grub_strcmp (args[0], "--append") == 0 + || grub_strcmp (args[0], "--remove") == 0) + i++; + + if (i == argc) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("no terminal specified")); + + for (; i < argc; i++) + { + int again = 0; + while (1) + { + for (term = *disabled; term; term = term->next) + if (grub_strcmp (args[i], term->name) == 0 + || (grub_strcmp (args[i], "ofconsole") == 0 + && grub_strcmp ("console", term->name) == 0)) + break; + if (term == 0) + for (term = *enabled; term; term = term->next) + if (grub_strcmp (args[i], term->name) == 0 + || (grub_strcmp (args[i], "ofconsole") == 0 + && grub_strcmp ("console", term->name) == 0)) + break; + if (term) + break; + if (again) + return grub_error (GRUB_ERR_BAD_ARGUMENT, + N_("terminal `%s' isn't found"), + args[i]); + for (aut = autoloads; aut; aut = aut->next) + if (grub_strcmp (args[i], aut->name) == 0 + || (grub_strcmp (args[i], "ofconsole") == 0 + && grub_strcmp ("console", aut->name) == 0) + || (aut->name[0] && aut->name[grub_strlen (aut->name) - 1] == '*' + && grub_memcmp (args[i], aut->name, + grub_strlen (aut->name) - 1) == 0)) + { + grub_dl_t mod; + mod = grub_dl_load (aut->modname); + if (mod) + grub_dl_ref (mod); + grub_errno = GRUB_ERR_NONE; + break; + } + if (grub_memcmp (args[i], "serial_usb", + sizeof ("serial_usb") - 1) == 0 + && grub_term_poll_usb) + { + grub_term_poll_usb (1); + again = 1; + continue; + } + if (!aut) + return grub_error (GRUB_ERR_BAD_ARGUMENT, + N_("terminal `%s' isn't found"), + args[i]); + again = 1; + } + } + + if (grub_strcmp (args[0], "--append") == 0) + { + for (i = 1; i < argc; i++) + { + for (term = *disabled; term; term = term->next) + if (grub_strcmp (args[i], term->name) == 0 + || (grub_strcmp (args[i], "ofconsole") == 0 + && grub_strcmp ("console", term->name) == 0)) + break; + if (term) + { + if (term->init && term->init (term) != GRUB_ERR_NONE) + return grub_errno; + + grub_list_remove (GRUB_AS_LIST (term)); + grub_list_push (GRUB_AS_LIST_P (enabled), GRUB_AS_LIST (term)); + } + } + return GRUB_ERR_NONE; + } + + if (grub_strcmp (args[0], "--remove") == 0) + { + for (i = 1; i < argc; i++) + { + for (term = *enabled; term; term = term->next) + if (grub_strcmp (args[i], term->name) == 0 + || (grub_strcmp (args[i], "ofconsole") == 0 + && grub_strcmp ("console", term->name) == 0)) + break; + if (term) + { + if (!term->next && term == *enabled) + return grub_error (GRUB_ERR_BAD_ARGUMENT, + "can't remove the last terminal"); + grub_list_remove (GRUB_AS_LIST (term)); + if (term->fini) + term->fini (term); + grub_list_push (GRUB_AS_LIST_P (disabled), GRUB_AS_LIST (term)); + } + } + return GRUB_ERR_NONE; + } + for (i = 0; i < argc; i++) + { + for (term = *disabled; term; term = term->next) + if (grub_strcmp (args[i], term->name) == 0 + || (grub_strcmp (args[i], "ofconsole") == 0 + && grub_strcmp ("console", term->name) == 0)) + break; + if (term) + { + if (term->init && term->init (term) != GRUB_ERR_NONE) + return grub_errno; + + grub_list_remove (GRUB_AS_LIST (term)); + grub_list_push (GRUB_AS_LIST_P (enabled), GRUB_AS_LIST (term)); + } + } + + { + struct abstract_terminal *next; + for (term = *enabled; term; term = next) + { + next = term->next; + for (i = 0; i < argc; i++) + if (grub_strcmp (args[i], term->name) == 0 + || (grub_strcmp (args[i], "ofconsole") == 0 + && grub_strcmp ("console", term->name) == 0)) + break; + if (i == argc) + { + if (!term->next && term == *enabled) + return grub_error (GRUB_ERR_BAD_ARGUMENT, + "can't remove the last terminal"); + grub_list_remove (GRUB_AS_LIST (term)); + if (term->fini) + term->fini (term); + grub_list_push (GRUB_AS_LIST_P (disabled), GRUB_AS_LIST (term)); + } + } + } + + return GRUB_ERR_NONE; +} + +static grub_err_t +grub_cmd_terminal_input (grub_command_t cmd __attribute__ ((unused)), + int argc, char **args) +{ + (void) GRUB_FIELD_MATCH (grub_term_inputs, struct abstract_terminal *, next); + (void) GRUB_FIELD_MATCH (grub_term_inputs, struct abstract_terminal *, prev); + (void) GRUB_FIELD_MATCH (grub_term_inputs, struct abstract_terminal *, name); + (void) GRUB_FIELD_MATCH (grub_term_inputs, struct abstract_terminal *, init); + (void) GRUB_FIELD_MATCH (grub_term_inputs, struct abstract_terminal *, fini); + return handle_command (argc, args, + (struct abstract_terminal **) (void *) &grub_term_inputs, + (struct abstract_terminal **) (void *) &grub_term_inputs_disabled, + grub_term_input_autoload, + N_("Active input terminals:"), + N_("Available input terminals:")); +} + +static grub_err_t +grub_cmd_terminal_output (grub_command_t cmd __attribute__ ((unused)), + int argc, char **args) +{ + (void) GRUB_FIELD_MATCH (grub_term_outputs, struct abstract_terminal *, next); + (void) GRUB_FIELD_MATCH (grub_term_outputs, struct abstract_terminal *, prev); + (void) GRUB_FIELD_MATCH (grub_term_outputs, struct abstract_terminal *, name); + (void) GRUB_FIELD_MATCH (grub_term_outputs, struct abstract_terminal *, init); + (void) GRUB_FIELD_MATCH (grub_term_outputs, struct abstract_terminal *, fini); + return handle_command (argc, args, + (struct abstract_terminal **) (void *) &grub_term_outputs, + (struct abstract_terminal **) (void *) &grub_term_outputs_disabled, + grub_term_output_autoload, + N_("Active output terminals:"), + N_("Available output terminals:")); +} + +static grub_command_t cmd_terminal_input, cmd_terminal_output; + +GRUB_MOD_INIT(terminal) +{ + cmd_terminal_input = + grub_register_command ("terminal_input", grub_cmd_terminal_input, + N_("[--append|--remove] " + "[TERMINAL1] [TERMINAL2] ..."), + N_("List or select an input terminal.")); + cmd_terminal_output = + grub_register_command ("terminal_output", grub_cmd_terminal_output, + N_("[--append|--remove] " + "[TERMINAL1] [TERMINAL2] ..."), + N_("List or select an output terminal.")); +} + +GRUB_MOD_FINI(terminal) +{ + grub_unregister_command (cmd_terminal_input); + grub_unregister_command (cmd_terminal_output); +} diff --git a/grub-core/commands/test.c b/grub-core/commands/test.c new file mode 100644 index 0000000..62d3fb3 --- /dev/null +++ b/grub-core/commands/test.c @@ -0,0 +1,455 @@ +/* test.c -- The test command.. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2005,2007,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/env.h> +#include <grub/fs.h> +#include <grub/device.h> +#include <grub/file.h> +#include <grub/command.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +/* A simple implementation for signed numbers. */ +static int +grub_strtosl (char *arg, const char ** const end, int base) +{ + if (arg[0] == '-') + return -grub_strtoul (arg + 1, end, base); + return grub_strtoul (arg, end, base); +} + +/* Context for test_parse. */ +struct test_parse_ctx +{ + int invert; + int or, and; + int file_exists; + struct grub_dirhook_info file_info; + char *filename; +}; + +/* Take care of discarding and inverting. */ +static void +update_val (int val, struct test_parse_ctx *ctx) +{ + ctx->and = ctx->and && (ctx->invert ? ! val : val); + ctx->invert = 0; +} + +/* A hook for iterating directories. */ +static int +find_file (const char *cur_filename, const struct grub_dirhook_info *info, + void *data) +{ + struct test_parse_ctx *ctx = data; + + if ((info->case_insensitive ? grub_strcasecmp (cur_filename, ctx->filename) + : grub_strcmp (cur_filename, ctx->filename)) == 0) + { + ctx->file_info = *info; + ctx->file_exists = 1; + return 1; + } + return 0; +} + +/* Check if file exists and fetch its information. */ +static void +get_fileinfo (char *path, struct test_parse_ctx *ctx) +{ + char *pathname; + char *device_name; + grub_fs_t fs; + grub_device_t dev; + + ctx->file_exists = 0; + device_name = grub_file_get_device_name (path); + dev = grub_device_open (device_name); + if (! dev) + { + grub_free (device_name); + return; + } + + fs = grub_fs_probe (dev); + if (! fs) + { + grub_free (device_name); + grub_device_close (dev); + return; + } + + pathname = grub_strchr (path, ')'); + if (! pathname) + pathname = path; + else + pathname++; + + /* Remove trailing '/'. */ + while (*pathname && pathname[grub_strlen (pathname) - 1] == '/') + pathname[grub_strlen (pathname) - 1] = 0; + + /* Split into path and filename. */ + ctx->filename = grub_strrchr (pathname, '/'); + if (! ctx->filename) + { + path = grub_strdup ("/"); + ctx->filename = pathname; + } + else + { + ctx->filename++; + path = grub_strdup (pathname); + path[ctx->filename - pathname] = 0; + } + + /* It's the whole device. */ + if (! *pathname) + { + ctx->file_exists = 1; + grub_memset (&ctx->file_info, 0, sizeof (ctx->file_info)); + /* Root is always a directory. */ + ctx->file_info.dir = 1; + + /* Fetch writing time. */ + ctx->file_info.mtimeset = 0; + if (fs->fs_mtime) + { + if (! fs->fs_mtime (dev, &ctx->file_info.mtime)) + ctx->file_info.mtimeset = 1; + grub_errno = GRUB_ERR_NONE; + } + } + else + (fs->fs_dir) (dev, path, find_file, ctx); + + grub_device_close (dev); + grub_free (path); + grub_free (device_name); +} + +/* Parse a test expression starting from *argn. */ +static int +test_parse (char **args, int *argn, int argc) +{ + struct test_parse_ctx ctx = { + .and = 1, + .or = 0, + .invert = 0 + }; + + /* Here we have the real parsing. */ + while (*argn < argc) + { + /* First try 3 argument tests. */ + if (*argn + 2 < argc) + { + /* String tests. */ + if (grub_strcmp (args[*argn + 1], "=") == 0 + || grub_strcmp (args[*argn + 1], "==") == 0) + { + update_val (grub_strcmp (args[*argn], args[*argn + 2]) == 0, + &ctx); + (*argn) += 3; + continue; + } + + if (grub_strcmp (args[*argn + 1], "!=") == 0) + { + update_val (grub_strcmp (args[*argn], args[*argn + 2]) != 0, + &ctx); + (*argn) += 3; + continue; + } + + /* GRUB extension: lexicographical sorting. */ + if (grub_strcmp (args[*argn + 1], "<") == 0) + { + update_val (grub_strcmp (args[*argn], args[*argn + 2]) < 0, + &ctx); + (*argn) += 3; + continue; + } + + if (grub_strcmp (args[*argn + 1], "<=") == 0) + { + update_val (grub_strcmp (args[*argn], args[*argn + 2]) <= 0, + &ctx); + (*argn) += 3; + continue; + } + + if (grub_strcmp (args[*argn + 1], ">") == 0) + { + update_val (grub_strcmp (args[*argn], args[*argn + 2]) > 0, + &ctx); + (*argn) += 3; + continue; + } + + if (grub_strcmp (args[*argn + 1], ">=") == 0) + { + update_val (grub_strcmp (args[*argn], args[*argn + 2]) >= 0, + &ctx); + (*argn) += 3; + continue; + } + + /* Number tests. */ + if (grub_strcmp (args[*argn + 1], "-eq") == 0) + { + update_val (grub_strtosl (args[*argn], 0, 0) + == grub_strtosl (args[*argn + 2], 0, 0), &ctx); + (*argn) += 3; + continue; + } + + if (grub_strcmp (args[*argn + 1], "-ge") == 0) + { + update_val (grub_strtosl (args[*argn], 0, 0) + >= grub_strtosl (args[*argn + 2], 0, 0), &ctx); + (*argn) += 3; + continue; + } + + if (grub_strcmp (args[*argn + 1], "-gt") == 0) + { + update_val (grub_strtosl (args[*argn], 0, 0) + > grub_strtosl (args[*argn + 2], 0, 0), &ctx); + (*argn) += 3; + continue; + } + + if (grub_strcmp (args[*argn + 1], "-le") == 0) + { + update_val (grub_strtosl (args[*argn], 0, 0) + <= grub_strtosl (args[*argn + 2], 0, 0), &ctx); + (*argn) += 3; + continue; + } + + if (grub_strcmp (args[*argn + 1], "-lt") == 0) + { + update_val (grub_strtosl (args[*argn], 0, 0) + < grub_strtosl (args[*argn + 2], 0, 0), &ctx); + (*argn) += 3; + continue; + } + + if (grub_strcmp (args[*argn + 1], "-ne") == 0) + { + update_val (grub_strtosl (args[*argn], 0, 0) + != grub_strtosl (args[*argn + 2], 0, 0), &ctx); + (*argn) += 3; + continue; + } + + /* GRUB extension: compare numbers skipping prefixes. + Useful for comparing versions. E.g. vmlinuz-2 -plt vmlinuz-11. */ + if (grub_strcmp (args[*argn + 1], "-pgt") == 0 + || grub_strcmp (args[*argn + 1], "-plt") == 0) + { + int i; + /* Skip common prefix. */ + for (i = 0; args[*argn][i] == args[*argn + 2][i] + && args[*argn][i]; i++); + + /* Go the digits back. */ + i--; + while (grub_isdigit (args[*argn][i]) && i > 0) + i--; + i++; + + if (grub_strcmp (args[*argn + 1], "-pgt") == 0) + update_val (grub_strtoul (args[*argn] + i, 0, 0) + > grub_strtoul (args[*argn + 2] + i, 0, 0), &ctx); + else + update_val (grub_strtoul (args[*argn] + i, 0, 0) + < grub_strtoul (args[*argn + 2] + i, 0, 0), &ctx); + (*argn) += 3; + continue; + } + + /* -nt and -ot tests. GRUB extension: when doing -?t<bias> bias + will be added to the first mtime. */ + if (grub_memcmp (args[*argn + 1], "-nt", 3) == 0 + || grub_memcmp (args[*argn + 1], "-ot", 3) == 0) + { + struct grub_dirhook_info file1; + int file1exists; + int bias = 0; + + /* Fetch fileinfo. */ + get_fileinfo (args[*argn], &ctx); + file1 = ctx.file_info; + file1exists = ctx.file_exists; + get_fileinfo (args[*argn + 2], &ctx); + + if (args[*argn + 1][3]) + bias = grub_strtosl (args[*argn + 1] + 3, 0, 0); + + if (grub_memcmp (args[*argn + 1], "-nt", 3) == 0) + update_val ((file1exists && ! ctx.file_exists) + || (file1.mtimeset && ctx.file_info.mtimeset + && file1.mtime + bias > ctx.file_info.mtime), + &ctx); + else + update_val ((! file1exists && ctx.file_exists) + || (file1.mtimeset && ctx.file_info.mtimeset + && file1.mtime + bias < ctx.file_info.mtime), + &ctx); + (*argn) += 3; + continue; + } + } + + /* Two-argument tests. */ + if (*argn + 1 < argc) + { + /* File tests. */ + if (grub_strcmp (args[*argn], "-d") == 0) + { + get_fileinfo (args[*argn + 1], &ctx); + update_val (ctx.file_exists && ctx.file_info.dir, &ctx); + (*argn) += 2; + continue; + } + + if (grub_strcmp (args[*argn], "-e") == 0) + { + get_fileinfo (args[*argn + 1], &ctx); + update_val (ctx.file_exists, &ctx); + (*argn) += 2; + continue; + } + + if (grub_strcmp (args[*argn], "-f") == 0) + { + get_fileinfo (args[*argn + 1], &ctx); + /* FIXME: check for other types. */ + update_val (ctx.file_exists && ! ctx.file_info.dir, &ctx); + (*argn) += 2; + continue; + } + + if (grub_strcmp (args[*argn], "-s") == 0) + { + grub_file_t file; + file = grub_file_open (args[*argn + 1], GRUB_FILE_TYPE_GET_SIZE + | GRUB_FILE_TYPE_NO_DECOMPRESS); + update_val (file && (grub_file_size (file) != 0), &ctx); + if (file) + grub_file_close (file); + grub_errno = GRUB_ERR_NONE; + (*argn) += 2; + continue; + } + + /* String tests. */ + if (grub_strcmp (args[*argn], "-n") == 0) + { + update_val (args[*argn + 1][0], &ctx); + + (*argn) += 2; + continue; + } + if (grub_strcmp (args[*argn], "-z") == 0) + { + update_val (! args[*argn + 1][0], &ctx); + (*argn) += 2; + continue; + } + } + + /* Special modifiers. */ + + /* End of expression. return to parent. */ + if (grub_strcmp (args[*argn], ")") == 0) + { + (*argn)++; + return ctx.or || ctx.and; + } + /* Recursively invoke if parenthesis. */ + if (grub_strcmp (args[*argn], "(") == 0) + { + (*argn)++; + update_val (test_parse (args, argn, argc), &ctx); + continue; + } + + if (grub_strcmp (args[*argn], "!") == 0) + { + ctx.invert = ! ctx.invert; + (*argn)++; + continue; + } + if (grub_strcmp (args[*argn], "-a") == 0) + { + (*argn)++; + continue; + } + if (grub_strcmp (args[*argn], "-o") == 0) + { + ctx.or = ctx.or || ctx.and; + ctx.and = 1; + (*argn)++; + continue; + } + + /* No test found. Interpret if as just a string. */ + update_val (args[*argn][0], &ctx); + (*argn)++; + } + return ctx.or || ctx.and; +} + +static grub_err_t +grub_cmd_test (grub_command_t cmd __attribute__ ((unused)), + int argc, char **args) +{ + int argn = 0; + + if (argc >= 1 && grub_strcmp (args[argc - 1], "]") == 0) + argc--; + + return test_parse (args, &argn, argc) ? GRUB_ERR_NONE + : grub_error (GRUB_ERR_TEST_FAILURE, N_("false")); +} + +static grub_command_t cmd_1, cmd_2; + +GRUB_MOD_INIT(test) +{ + cmd_1 = grub_register_command ("[", grub_cmd_test, + N_("EXPRESSION ]"), N_("Evaluate an expression.")); + cmd_1->flags |= GRUB_COMMAND_FLAG_EXTRACTOR; + cmd_2 = grub_register_command ("test", grub_cmd_test, + N_("EXPRESSION"), N_("Evaluate an expression.")); + cmd_2->flags |= GRUB_COMMAND_FLAG_EXTRACTOR; +} + +GRUB_MOD_FINI(test) +{ + grub_unregister_command (cmd_1); + grub_unregister_command (cmd_2); +} diff --git a/grub-core/commands/testload.c b/grub-core/commands/testload.c new file mode 100644 index 0000000..ff01a05 --- /dev/null +++ b/grub-core/commands/testload.c @@ -0,0 +1,170 @@ +/* testload.c - load the same file in multiple ways */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2003,2005,2006,2007,2009,2010 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/mm.h> +#include <grub/err.h> +#include <grub/env.h> +#include <grub/misc.h> +#include <grub/file.h> +#include <grub/disk.h> +#include <grub/term.h> +#include <grub/loader.h> +#include <grub/command.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +/* Helper for grub_cmd_testload. */ +static void +read_progress (grub_disk_addr_t sector __attribute__ ((unused)), + unsigned offset __attribute__ ((unused)), + unsigned len, + void *data __attribute__ ((unused))) +{ + for (; len >= GRUB_DISK_SECTOR_SIZE; len -= GRUB_DISK_SECTOR_SIZE) + grub_xputs ("."); + if (len) + grub_xputs ("."); + grub_refresh (); +} + +static grub_err_t +grub_cmd_testload (struct grub_command *cmd __attribute__ ((unused)), + int argc, char *argv[]) +{ + grub_file_t file; + char *buf; + grub_size_t size; + grub_off_t pos; + + if (argc < 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected")); + + file = grub_file_open (argv[0], GRUB_FILE_TYPE_TESTLOAD); + if (! file) + return grub_errno; + + size = grub_file_size (file) & ~(GRUB_DISK_SECTOR_SIZE - 1); + if (size == 0) + { + grub_file_close (file); + return GRUB_ERR_NONE; + } + + buf = grub_malloc (size); + if (! buf) + goto fail; + + grub_printf ("Reading %s sequentially", argv[0]); + file->read_hook = read_progress; + if (grub_file_read (file, buf, size) != (grub_ssize_t) size) + goto fail; + grub_printf (" Done.\n"); + + /* Read sequentially again. */ + grub_printf ("Reading %s sequentially again", argv[0]); + grub_file_seek (file, 0); + + for (pos = 0; pos < size;) + { + char sector[GRUB_DISK_SECTOR_SIZE]; + grub_size_t curlen = GRUB_DISK_SECTOR_SIZE; + + if (curlen > size - pos) + curlen = size - pos; + + if (grub_file_read (file, sector, curlen) + != (grub_ssize_t) curlen) + goto fail; + + if (grub_memcmp (sector, buf + pos, curlen) != 0) + { + grub_printf ("\nDiffers in %lld\n", (unsigned long long) pos); + goto fail; + } + pos += curlen; + } + grub_printf (" Done.\n"); + + /* Read backwards and compare. */ + grub_printf ("Reading %s backwards", argv[0]); + pos = size; + while (pos > 0) + { + char sector[GRUB_DISK_SECTOR_SIZE]; + + if (pos >= GRUB_DISK_SECTOR_SIZE) + pos -= GRUB_DISK_SECTOR_SIZE; + else + pos = 0; + + grub_file_seek (file, pos); + + if (grub_file_read (file, sector, GRUB_DISK_SECTOR_SIZE) + != GRUB_DISK_SECTOR_SIZE) + goto fail; + + if (grub_memcmp (sector, buf + pos, GRUB_DISK_SECTOR_SIZE) != 0) + { + int i; + + grub_printf ("\nDiffers in %lld\n", (unsigned long long) pos); + + for (i = 0; i < GRUB_DISK_SECTOR_SIZE; i++) + { + grub_printf ("%02x ", buf[pos + i]); + if ((i & 15) == 15) + grub_printf ("\n"); + } + + if (i) + grub_refresh (); + + goto fail; + } + } + grub_printf (" Done.\n"); + + return GRUB_ERR_NONE; + + fail: + + grub_file_close (file); + grub_free (buf); + + if (!grub_errno) + grub_error (GRUB_ERR_IO, "bad read"); + return grub_errno; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(testload) +{ + cmd = + grub_register_command ("testload", grub_cmd_testload, + N_("FILE"), + N_("Load the same file in multiple ways.")); +} + +GRUB_MOD_FINI(testload) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/testspeed.c b/grub-core/commands/testspeed.c new file mode 100644 index 0000000..c13a9b8 --- /dev/null +++ b/grub-core/commands/testspeed.c @@ -0,0 +1,115 @@ +/* testspeed.c - Command to test file read speed */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2012 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/mm.h> +#include <grub/file.h> +#include <grub/time.h> +#include <grub/misc.h> +#include <grub/dl.h> +#include <grub/extcmd.h> +#include <grub/i18n.h> +#include <grub/normal.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +#define DEFAULT_BLOCK_SIZE 65536 + +static const struct grub_arg_option options[] = + { + {"size", 's', 0, N_("Specify size for each read operation"), 0, ARG_TYPE_INT}, + {0, 0, 0, 0, 0, 0} + }; + +static grub_err_t +grub_cmd_testspeed (grub_extcmd_context_t ctxt, int argc, char **args) +{ + struct grub_arg_list *state = ctxt->state; + grub_uint64_t start; + grub_uint64_t end; + grub_ssize_t block_size; + grub_disk_addr_t total_size; + char *buffer; + grub_file_t file; + grub_uint64_t whole, fraction; + + if (argc == 0) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected")); + + block_size = (state[0].set) ? + grub_strtoul (state[0].arg, 0, 0) : DEFAULT_BLOCK_SIZE; + + if (block_size <= 0) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("invalid block size")); + + buffer = grub_malloc (block_size); + if (buffer == NULL) + return grub_errno; + + file = grub_file_open (args[0], GRUB_FILE_TYPE_TESTLOAD); + if (file == NULL) + goto quit; + + total_size = 0; + start = grub_get_time_ms (); + while (1) + { + grub_ssize_t size = grub_file_read (file, buffer, block_size); + if (size <= 0) + break; + total_size += size; + } + end = grub_get_time_ms (); + grub_file_close (file); + + grub_printf_ (N_("File size: %s\n"), + grub_get_human_size (total_size, GRUB_HUMAN_SIZE_NORMAL)); + whole = grub_divmod64 (end - start, 1000, &fraction); + grub_printf_ (N_("Elapsed time: %d.%03d s \n"), + (unsigned) whole, + (unsigned) fraction); + + if (end != start) + { + grub_uint64_t speed = + grub_divmod64 (total_size * 100ULL * 1000ULL, end - start, 0); + + grub_printf_ (N_("Speed: %s \n"), + grub_get_human_size (speed, + GRUB_HUMAN_SIZE_SPEED)); + } + + quit: + grub_free (buffer); + + return grub_errno; +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT(testspeed) +{ + cmd = grub_register_extcmd ("testspeed", grub_cmd_testspeed, 0, N_("[-s SIZE] FILENAME"), + N_("Test file read speed."), + options); +} + +GRUB_MOD_FINI(testspeed) +{ + grub_unregister_extcmd (cmd); +} diff --git a/grub-core/commands/time.c b/grub-core/commands/time.c new file mode 100644 index 0000000..40d496e --- /dev/null +++ b/grub-core/commands/time.c @@ -0,0 +1,68 @@ +/* echo.c - Command to display a line of text */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2011 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/time.h> +#include <grub/misc.h> +#include <grub/dl.h> +#include <grub/command.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + + +static grub_err_t +grub_cmd_time (grub_command_t ctxt __attribute__ ((unused)), + int argc, char **args) +{ + grub_command_t cmd; + grub_uint32_t start; + grub_uint32_t end; + + if (argc == 0) + return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("no command is specified")); + + cmd = grub_command_find (args[0]); + + if (!cmd) + return grub_error (GRUB_ERR_UNKNOWN_COMMAND, N_("can't find command `%s'"), + args[0]); + + start = grub_get_time_ms (); + (cmd->func) (cmd, argc - 1, &args[1]); + end = grub_get_time_ms (); + + grub_printf_ (N_("Elapsed time: %d.%03d seconds \n"), (end - start) / 1000, + (end - start) % 1000); + + return grub_errno; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(time) +{ + cmd = grub_register_command ("time", grub_cmd_time, + N_("COMMAND [ARGS]"), + N_("Measure time used by COMMAND")); +} + +GRUB_MOD_FINI(time) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/tpm.c b/grub-core/commands/tpm.c new file mode 100644 index 0000000..2052c36 --- /dev/null +++ b/grub-core/commands/tpm.c @@ -0,0 +1,95 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2018 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + * + * Core TPM support code. + */ + +#include <grub/err.h> +#include <grub/i18n.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/tpm.h> +#include <grub/term.h> +#include <grub/verify.h> +#include <grub/dl.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_err_t +grub_tpm_verify_init (grub_file_t io, + enum grub_file_type type __attribute__ ((unused)), + void **context, enum grub_verify_flags *flags) +{ + *context = io->name; + *flags |= GRUB_VERIFY_FLAGS_SINGLE_CHUNK; + return GRUB_ERR_NONE; +} + +static grub_err_t +grub_tpm_verify_write (void *context, void *buf, grub_size_t size) +{ + return grub_tpm_measure (buf, size, GRUB_BINARY_PCR, context); +} + +static grub_err_t +grub_tpm_verify_string (char *str, enum grub_verify_string_type type) +{ + const char *prefix = NULL; + char *description; + grub_err_t status; + + switch (type) + { + case GRUB_VERIFY_KERNEL_CMDLINE: + prefix = "kernel_cmdline: "; + break; + case GRUB_VERIFY_MODULE_CMDLINE: + prefix = "module_cmdline: "; + break; + case GRUB_VERIFY_COMMAND: + prefix = "grub_cmd: "; + break; + } + description = grub_malloc (grub_strlen (str) + grub_strlen (prefix) + 1); + if (!description) + return grub_errno; + grub_memcpy (description, prefix, grub_strlen (prefix)); + grub_memcpy (description + grub_strlen (prefix), str, + grub_strlen (str) + 1); + status = + grub_tpm_measure ((unsigned char *) str, grub_strlen (str), + GRUB_STRING_PCR, description); + grub_free (description); + return status; +} + +struct grub_file_verifier grub_tpm_verifier = { + .name = "tpm", + .init = grub_tpm_verify_init, + .write = grub_tpm_verify_write, + .verify_string = grub_tpm_verify_string, +}; + +GRUB_MOD_INIT (tpm) +{ + grub_verifier_register (&grub_tpm_verifier); +} + +GRUB_MOD_FINI (tpm) +{ + grub_verifier_unregister (&grub_tpm_verifier); +} diff --git a/grub-core/commands/tr.c b/grub-core/commands/tr.c new file mode 100644 index 0000000..ef72841 --- /dev/null +++ b/grub-core/commands/tr.c @@ -0,0 +1,126 @@ +/* tr.c -- The tr command. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2010,2013 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/mm.h> +#include <grub/err.h> +#include <grub/env.h> +#include <grub/i18n.h> +#include <grub/misc.h> +#include <grub/extcmd.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static const struct grub_arg_option options[] = + { + { "set", 's', 0, N_("Set a variable to return value."), N_("VARNAME"), ARG_TYPE_STRING }, + { "upcase", 'U', 0, N_("Translate to upper case."), 0, 0 }, + { "downcase", 'D', 0, N_("Translate to lower case."), 0, 0 }, + { 0, 0, 0, 0, 0, 0 } + }; + +static const char *letters_lowercase = "abcdefghijklmnopqrstuvwxyz"; +static const char *letters_uppercase = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; + +static grub_err_t +grub_cmd_tr (grub_extcmd_context_t ctxt, int argc, char **args) +{ + char *var = 0; + const char *input = 0; + char *output = 0, *optr; + const char *s1 = 0; + const char *s2 = 0; + const char *iptr; + + /* Select the defaults from options. */ + if (ctxt->state[0].set) { + var = ctxt->state[0].arg; + input = grub_env_get (var); + } + + if (ctxt->state[1].set) { + s1 = letters_lowercase; + s2 = letters_uppercase; + } + + if (ctxt->state[2].set) { + s1 = letters_uppercase; + s2 = letters_lowercase; + } + + /* Check for arguments and update the defaults. */ + if (argc == 1) + input = args[0]; + + else if (argc == 2) { + s1 = args[0]; + s2 = args[1]; + + } else if (argc == 3) { + s1 = args[0]; + s2 = args[1]; + input = args[2]; + + } else if (argc > 3) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "too many parameters"); + + if (!s1 || !s2 || !input) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "missing parameters"); + + if (grub_strlen (s1) != grub_strlen (s2)) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "set sizes did not match"); + + /* Translate input into output buffer. */ + + output = grub_malloc (grub_strlen (input) + 1); + if (! output) + return grub_errno; + + optr = output; + for (iptr = input; *iptr; iptr++) + { + char *p = grub_strchr (s1, *iptr); + if (p) + *optr++ = s2[p - s1]; + else + *optr++ = *iptr; + } + *optr = '\0'; + + if (ctxt->state[0].set) + grub_env_set (var, output); + else + grub_printf ("%s\n", output); + + grub_free (output); + return GRUB_ERR_NONE; +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT(tr) +{ + cmd = grub_register_extcmd ("tr", grub_cmd_tr, 0, N_("[OPTIONS] [SET1] [SET2] [STRING]"), + N_("Translate SET1 characters to SET2 in STRING."), options); +} + +GRUB_MOD_FINI(tr) +{ + grub_unregister_extcmd (cmd); +} diff --git a/grub-core/commands/true.c b/grub-core/commands/true.c new file mode 100644 index 0000000..8cbba65 --- /dev/null +++ b/grub-core/commands/true.c @@ -0,0 +1,61 @@ +/* true.c - true and false commands. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/command.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_err_t +grub_cmd_true (struct grub_command *cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char *argv[] __attribute__ ((unused))) +{ + return 0; +} + +static grub_err_t +grub_cmd_false (struct grub_command *cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char *argv[] __attribute__ ((unused))) +{ + return grub_error (GRUB_ERR_TEST_FAILURE, N_("false")); +} + +static grub_command_t cmd_true, cmd_false; + + +GRUB_MOD_INIT(true) +{ + cmd_true = + grub_register_command ("true", grub_cmd_true, + /* TRANSLATORS: it's a command description. */ + 0, N_("Do nothing, successfully.")); + cmd_false = + grub_register_command ("false", grub_cmd_false, + /* TRANSLATORS: it's a command description. */ + 0, N_("Do nothing, unsuccessfully.")); +} + +GRUB_MOD_FINI(true) +{ + grub_unregister_command (cmd_true); + grub_unregister_command (cmd_false); +} diff --git a/grub-core/commands/usbtest.c b/grub-core/commands/usbtest.c new file mode 100644 index 0000000..2c6d93f --- /dev/null +++ b/grub-core/commands/usbtest.c @@ -0,0 +1,227 @@ +/* usbtest.c - test module for USB */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/types.h> +#include <grub/misc.h> +#include <grub/charset.h> +#include <grub/mm.h> +#include <grub/err.h> +#include <grub/dl.h> +#include <grub/usb.h> +#include <grub/command.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static const char *usb_classes[] = + { + "Unknown", + "Audio", + "Communication Interface", + "HID", + "Unknown", + "Physical", + "Image", + "Printer", + "Mass Storage", + "Hub", + "Data Interface", + "Smart Card", + "Content Security", + "Video" + }; + +static const char *usb_endp_type[] = + { + "Control", + "Isochronous", + "Bulk", + "Interrupt" + }; + +static const char *usb_devspeed[] = + { + "", + "Low", + "Full", + "High" + }; + +#if __GNUC__ >= 9 +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Waddress-of-packed-member" +#endif + +static grub_usb_err_t +grub_usb_get_string (grub_usb_device_t dev, grub_uint8_t index, int langid, + char **string) +{ + struct grub_usb_desc_str descstr; + struct grub_usb_desc_str *descstrp; + grub_usb_err_t err; + + /* Only get the length. */ + err = grub_usb_control_msg (dev, 1 << 7, + 0x06, (3 << 8) | index, + langid, 1, (char *) &descstr); + if (err) + return err; + + descstrp = grub_malloc (descstr.length); + if (! descstrp) + return GRUB_USB_ERR_INTERNAL; + err = grub_usb_control_msg (dev, 1 << 7, + 0x06, (3 << 8) | index, + langid, descstr.length, (char *) descstrp); + + if (descstrp->length == 0) + { + grub_free (descstrp); + *string = grub_strdup (""); + if (! *string) + return GRUB_USB_ERR_INTERNAL; + return GRUB_USB_ERR_NONE; + } + + *string = grub_malloc (descstr.length * 2 + 1); + if (! *string) + { + grub_free (descstrp); + return GRUB_USB_ERR_INTERNAL; + } + + *grub_utf16_to_utf8 ((grub_uint8_t *) *string, descstrp->str, + descstrp->length / 2 - 1) = 0; + grub_free (descstrp); + + return GRUB_USB_ERR_NONE; +} + +#if __GNUC__ >= 9 +#pragma GCC diagnostic pop +#endif + +static void +usb_print_str (const char *description, grub_usb_device_t dev, int idx) +{ + char *name = NULL; + grub_usb_err_t err; + /* XXX: LANGID */ + + if (! idx) + return; + + err = grub_usb_get_string (dev, idx, 0x0409, &name); + if (err) + grub_printf ("Error %d retrieving %s\n", err, description); + else + { + grub_printf ("%s: `%s'\n", description, name); + grub_free (name); + } +} + +static int +usb_iterate (grub_usb_device_t dev, void *data __attribute__ ((unused))) +{ + struct grub_usb_desc_device *descdev; + int i; + + descdev = &dev->descdev; + + usb_print_str ("Product", dev, descdev->strprod); + usb_print_str ("Vendor", dev, descdev->strvendor); + usb_print_str ("Serial", dev, descdev->strserial); + + grub_printf ("Class: (0x%02x) %s, Subclass: 0x%02x, Protocol: 0x%02x\n", + descdev->class, descdev->class < ARRAY_SIZE (usb_classes) + ? usb_classes[descdev->class] : "Unknown", + descdev->subclass, descdev->protocol); + grub_printf ("USB version %d.%d, VendorID: 0x%02x, ProductID: 0x%02x, #conf: %d\n", + descdev->usbrel >> 8, (descdev->usbrel >> 4) & 0x0F, + descdev->vendorid, descdev->prodid, descdev->configcnt); + + grub_printf ("%s speed device\n", usb_devspeed[dev->speed]); + + for (i = 0; i < descdev->configcnt; i++) + { + struct grub_usb_desc_config *config; + + config = dev->config[i].descconf; + usb_print_str ("Configuration:", dev, config->strconfig); + } + + for (i = 0; i < dev->config[0].descconf->numif; i++) + { + int j; + struct grub_usb_desc_if *interf; + interf = dev->config[0].interf[i].descif; + + grub_printf ("Interface #%d: #Endpoints: %d ", + i, interf->endpointcnt); + grub_printf ("Class: (0x%02x) %s, Subclass: 0x%02x, Protocol: 0x%02x\n", + interf->class, interf->class < ARRAY_SIZE (usb_classes) + ? usb_classes[interf->class] : "Unknown", + interf->subclass, interf->protocol); + + usb_print_str ("Interface", dev, interf->strif); + + for (j = 0; j < interf->endpointcnt; j++) + { + struct grub_usb_desc_endp *endp; + endp = &dev->config[0].interf[i].descendp[j]; + + grub_printf ("Endpoint #%d: %s, max packed size: %d, transfer type: %s, latency: %d\n", + endp->endp_addr & 15, + (endp->endp_addr & 128) ? "IN" : "OUT", + endp->maxpacket, usb_endp_type[endp->attrib & 3], + endp->interval); + } + } + + grub_printf("\n"); + + return 0; +} + +static grub_err_t +grub_cmd_usbtest (grub_command_t cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) +{ + grub_usb_poll_devices (1); + + grub_printf ("USB devices:\n\n"); + grub_usb_iterate (usb_iterate, NULL); + + return 0; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(usbtest) +{ + cmd = grub_register_command ("usb", grub_cmd_usbtest, + 0, N_("Test USB support.")); +} + +GRUB_MOD_FINI(usbtest) +{ + grub_unregister_command (cmd); +} diff --git a/grub-core/commands/videoinfo.c b/grub-core/commands/videoinfo.c new file mode 100644 index 0000000..016a4d8 --- /dev/null +++ b/grub-core/commands/videoinfo.c @@ -0,0 +1,262 @@ +/* videoinfo.c - command to list video modes. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2005,2007,2008,2009,2010 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/video.h> +#include <grub/dl.h> +#include <grub/env.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/command.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +struct hook_ctx +{ + unsigned height, width, depth; + struct grub_video_mode_info *current_mode; +}; + +static int +hook (const struct grub_video_mode_info *info, void *hook_arg) +{ + struct hook_ctx *ctx = hook_arg; + + if (ctx->height && ctx->width && (info->width != ctx->width || info->height != ctx->height)) + return 0; + + if (ctx->depth && info->bpp != ctx->depth) + return 0; + + if (info->mode_number == GRUB_VIDEO_MODE_NUMBER_INVALID) + grub_printf (" "); + else + { + if (ctx->current_mode && info->mode_number == ctx->current_mode->mode_number) + grub_printf ("*"); + else + grub_printf (" "); + grub_printf (" 0x%03x ", info->mode_number); + } + grub_printf ("%4d x %4d x %2d (%4d) ", info->width, info->height, info->bpp, + info->pitch); + + if (info->mode_type & GRUB_VIDEO_MODE_TYPE_PURE_TEXT) + grub_xputs (_("Text-only ")); + /* Show mask and position details for direct color modes. */ + if (info->mode_type & GRUB_VIDEO_MODE_TYPE_RGB) + /* TRANSLATORS: "Direct color" is a mode when the color components + are written dirrectly into memory. */ + grub_printf_ (N_("Direct color, mask: %d/%d/%d/%d pos: %d/%d/%d/%d"), + info->red_mask_size, + info->green_mask_size, + info->blue_mask_size, + info->reserved_mask_size, + info->red_field_pos, + info->green_field_pos, + info->blue_field_pos, + info->reserved_field_pos); + if (info->mode_type & GRUB_VIDEO_MODE_TYPE_INDEX_COLOR) + /* TRANSLATORS: In "paletted color" mode you write the index of the color + in the palette. Synonyms include "packed pixel". */ + grub_xputs (_("Paletted ")); + if (info->mode_type & GRUB_VIDEO_MODE_TYPE_YUV) + grub_xputs (_("YUV ")); + if (info->mode_type & GRUB_VIDEO_MODE_TYPE_PLANAR) + /* TRANSLATORS: "Planar" is the video memory where you have to write + in several different banks "plans" to control the different color + components of the same pixel. */ + grub_xputs (_("Planar ")); + if (info->mode_type & GRUB_VIDEO_MODE_TYPE_HERCULES) + grub_xputs (_("Hercules ")); + if (info->mode_type & GRUB_VIDEO_MODE_TYPE_CGA) + grub_xputs (_("CGA ")); + if (info->mode_type & GRUB_VIDEO_MODE_TYPE_NONCHAIN4) + /* TRANSLATORS: Non-chain 4 is a 256-color planar + (unchained) video memory mode. */ + grub_xputs (_("Non-chain 4 ")); + if (info->mode_type & GRUB_VIDEO_MODE_TYPE_1BIT_BITMAP) + grub_xputs (_("Monochrome ")); + if (info->mode_type & GRUB_VIDEO_MODE_TYPE_UNKNOWN) + grub_xputs (_("Unknown video mode ")); + + grub_xputs ("\n"); + + return 0; +} + +static void +print_edid (struct grub_video_edid_info *edid_info) +{ + unsigned int edid_width, edid_height; + + if (grub_video_edid_checksum (edid_info)) + { + grub_puts_ (N_(" EDID checksum invalid")); + grub_errno = GRUB_ERR_NONE; + return; + } + + grub_printf_ (N_(" EDID version: %u.%u\n"), + edid_info->version, edid_info->revision); + if (grub_video_edid_preferred_mode (edid_info, &edid_width, &edid_height) + == GRUB_ERR_NONE) + grub_printf_ (N_(" Preferred mode: %ux%u\n"), edid_width, edid_height); + else + { + grub_printf_ (N_(" No preferred mode available\n")); + grub_errno = GRUB_ERR_NONE; + } +} + +static grub_err_t +grub_cmd_videoinfo (grub_command_t cmd __attribute__ ((unused)), + int argc, char **args) +{ + grub_video_adapter_t adapter; + grub_video_driver_id_t id; + struct hook_ctx ctx; + + ctx.height = ctx.width = ctx.depth = 0; + if (argc) + { + const char *ptr; + ptr = args[0]; + ctx.width = grub_strtoul (ptr, &ptr, 0); + if (grub_errno) + return grub_errno; + if (*ptr != 'x') + return grub_error (GRUB_ERR_BAD_ARGUMENT, + N_("invalid video mode specification `%s'"), + args[0]); + ptr++; + ctx.height = grub_strtoul (ptr, &ptr, 0); + if (grub_errno) + return grub_errno; + if (*ptr == 'x') + { + ptr++; + ctx.depth = grub_strtoul (ptr, &ptr, 0); + if (grub_errno) + return grub_errno; + } + } + +#ifdef GRUB_MACHINE_PCBIOS + if (grub_strcmp (cmd->name, "vbeinfo") == 0) + grub_dl_load ("vbe"); +#endif + + id = grub_video_get_driver_id (); + + grub_puts_ (N_("List of supported video modes:")); + grub_puts_ (N_("Legend: mask/position=red/green/blue/reserved")); + + FOR_VIDEO_ADAPTERS (adapter) + { + struct grub_video_mode_info info; + struct grub_video_edid_info edid_info; + + grub_printf_ (N_("Adapter `%s':\n"), adapter->name); + + if (!adapter->iterate) + { + grub_puts_ (N_(" No info available")); + continue; + } + + ctx.current_mode = NULL; + + if (adapter->id == id) + { + if (grub_video_get_info (&info) == GRUB_ERR_NONE) + ctx.current_mode = &info; + else + /* Don't worry about errors. */ + grub_errno = GRUB_ERR_NONE; + } + else + { + if (adapter->init ()) + { + grub_puts_ (N_(" Failed to initialize video adapter")); + grub_errno = GRUB_ERR_NONE; + continue; + } + } + + if (adapter->print_adapter_specific_info) + adapter->print_adapter_specific_info (); + + adapter->iterate (hook, &ctx); + + if (adapter->get_edid && adapter->get_edid (&edid_info) == GRUB_ERR_NONE) + print_edid (&edid_info); + else + grub_errno = GRUB_ERR_NONE; + + ctx.current_mode = NULL; + + if (adapter->id != id) + { + if (adapter->fini ()) + { + grub_errno = GRUB_ERR_NONE; + continue; + } + } + } + return GRUB_ERR_NONE; +} + +static grub_command_t cmd; +#ifdef GRUB_MACHINE_PCBIOS +static grub_command_t cmd_vbe; +#endif + +GRUB_MOD_INIT(videoinfo) +{ + cmd = grub_register_command ("videoinfo", grub_cmd_videoinfo, + /* TRANSLATORS: "x" has to be entered in, + like an identifier, so please don't + use better Unicode codepoints. */ + N_("[WxH[xD]]"), + N_("List available video modes. If " + "resolution is given show only modes" + " matching it.")); +#ifdef GRUB_MACHINE_PCBIOS + cmd_vbe = grub_register_command ("vbeinfo", grub_cmd_videoinfo, + /* TRANSLATORS: "x" has to be entered in, + like an identifier, so please don't + use better Unicode codepoints. */ + N_("[WxH[xD]]"), + N_("List available video modes. If " + "resolution is given show only modes" + " matching it.")); +#endif +} + +GRUB_MOD_FINI(videoinfo) +{ + grub_unregister_command (cmd); +#ifdef GRUB_MACHINE_PCBIOS + grub_unregister_command (cmd_vbe); +#endif +} + diff --git a/grub-core/commands/videotest.c b/grub-core/commands/videotest.c new file mode 100644 index 0000000..b6c181b --- /dev/null +++ b/grub-core/commands/videotest.c @@ -0,0 +1,241 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2006,2007,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/video.h> +#include <grub/types.h> +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/font.h> +#include <grub/term.h> +#include <grub/command.h> +#include <grub/i18n.h> +#include <grub/gfxmenu_view.h> +#include <grub/env.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_err_t +grub_cmd_videotest (grub_command_t cmd __attribute__ ((unused)), + int argc, char **args) +{ + grub_err_t err; + grub_video_color_t color; + unsigned int x; + unsigned int y; + unsigned int width; + unsigned int height; + int i; + struct grub_video_render_target *text_layer; + grub_video_color_t palette[16]; + const char *mode = NULL; + +#ifdef GRUB_MACHINE_PCBIOS + if (grub_strcmp (cmd->name, "vbetest") == 0) + grub_dl_load ("vbe"); +#endif + mode = grub_env_get ("gfxmode"); + if (argc) + mode = args[0]; + if (!mode) + mode = "auto"; + + err = grub_video_set_mode (mode, GRUB_VIDEO_MODE_TYPE_PURE_TEXT, 0); + if (err) + return err; + + grub_video_get_viewport (&x, &y, &width, &height); + + { + const char *str; + int texty; + grub_font_t sansbig; + grub_font_t sans; + grub_font_t sanssmall; + grub_font_t fixed; + struct grub_font_glyph *glyph; + + if (grub_video_create_render_target (&text_layer, width, height, + GRUB_VIDEO_MODE_TYPE_RGB + | GRUB_VIDEO_MODE_TYPE_ALPHA) + || !text_layer) + goto fail; + + grub_video_set_active_render_target (text_layer); + + color = grub_video_map_rgb (0, 255, 255); + sansbig = grub_font_get ("Unknown Regular 16"); + sans = grub_font_get ("Unknown Regular 16"); + sanssmall = grub_font_get ("Unknown Regular 16"); + fixed = grub_font_get ("Fixed 20"); + if (! sansbig || ! sans || ! sanssmall || ! fixed) + return grub_error (GRUB_ERR_BAD_FONT, "no font loaded"); + + glyph = grub_font_get_glyph (fixed, '*'); + grub_font_draw_glyph (glyph, color, 200 ,0); + + color = grub_video_map_rgb (255, 255, 255); + + texty = 32; + grub_font_draw_string ("The quick brown fox jumped over the lazy dog.", + sans, color, 16, texty); + texty += grub_font_get_descent (sans) + grub_font_get_leading (sans); + + texty += grub_font_get_ascent (fixed); + grub_font_draw_string ("The quick brown fox jumped over the lazy dog.", + fixed, color, 16, texty); + texty += grub_font_get_descent (fixed) + grub_font_get_leading (fixed); + + /* To convert Unicode characters into UTF-8 for this test, the following + command is useful: + echo -ne '\x00\x00\x26\x3A' | iconv -f UTF-32BE -t UTF-8 | od -t x1 + This converts the Unicode character U+263A to UTF-8. */ + + /* Characters used: + Code point Description UTF-8 encoding + ----------- ------------------------------ -------------- + U+263A unfilled smiley face E2 98 BA + U+00A1 inverted exclamation point C2 A1 + U+00A3 British pound currency symbol C2 A3 + U+03C4 Greek tau CF 84 + U+00E4 lowercase letter a with umlaut C3 A4 + U+2124 set 'Z' symbol (integers) E2 84 A4 + U+2286 subset symbol E2 8A 86 + U+211D set 'R' symbol (real numbers) E2 84 9D */ + + str = + "Unicode test: happy\xE2\x98\xBA \xC2\xA3 5.00" + " \xC2\xA1\xCF\x84\xC3\xA4u! " + " \xE2\x84\xA4\xE2\x8A\x86\xE2\x84\x9D"; + color = grub_video_map_rgb (128, 128, 255); + + /* All characters in the string exist in the 'Fixed 20' (10x20) font. */ + texty += grub_font_get_ascent(fixed); + grub_font_draw_string (str, fixed, color, 16, texty); + texty += grub_font_get_descent (fixed) + grub_font_get_leading (fixed); + + texty += grub_font_get_ascent(sansbig); + grub_font_draw_string (str, sansbig, color, 16, texty); + texty += grub_font_get_descent (sansbig) + grub_font_get_leading (sansbig); + + texty += grub_font_get_ascent(sans); + grub_font_draw_string (str, sans, color, 16, texty); + texty += grub_font_get_descent (sans) + grub_font_get_leading (sans); + + texty += grub_font_get_ascent(sanssmall); + grub_font_draw_string (str, sanssmall, color, 16, texty); + texty += (grub_font_get_descent (sanssmall) + + grub_font_get_leading (sanssmall)); + + glyph = grub_font_get_glyph (fixed, '*'); + + for (i = 0; i < 16; i++) + { + color = grub_video_map_color (i); + palette[i] = color; + grub_font_draw_glyph (glyph, color, 16 + i * 16, 220); + } + } + + grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY); + + for (i = 0; i < 5; i++) + { + + if (i == 0 || i == 1) + { + color = grub_video_map_rgb (0, 0, 0); + grub_video_fill_rect (color, 0, 0, width, height); + + color = grub_video_map_rgb (255, 0, 0); + grub_video_fill_rect (color, 0, 0, 100, 100); + + color = grub_video_map_rgb (0, 255, 0); + grub_video_fill_rect (color, 100, 0, 100, 100); + + color = grub_video_map_rgb (0, 0, 255); + grub_video_fill_rect (color, 200, 0, 100, 100); + + color = grub_video_map_rgb (0, 255, 255); + grub_video_fill_rect (color, 0, 100, 100, 100); + + color = grub_video_map_rgb (255, 0, 255); + grub_video_fill_rect (color, 100, 100, 100, 100); + + color = grub_video_map_rgb (255, 255, 0); + grub_video_fill_rect (color, 200, 100, 100, 100); + + grub_video_set_viewport (x + 150, y + 150, + width - 150 * 2, height - 150 * 2); + color = grub_video_map_rgb (77, 33, 77); + grub_video_fill_rect (color, 0, 0, width, height); + } + + color = grub_video_map_rgb (i, 33, 77); + grub_video_fill_rect (color, 0, 0, width, height); + grub_video_blit_render_target (text_layer, GRUB_VIDEO_BLIT_BLEND, 0, 0, + 0, 0, width, height); + grub_video_swap_buffers (); + } + + grub_getkey (); + + grub_video_delete_render_target (text_layer); + + grub_video_restore (); + + for (i = 0; i < 16; i++) + grub_printf("color %d: %08x\n", i, palette[i]); + + grub_errno = GRUB_ERR_NONE; + return grub_errno; + + fail: + grub_video_delete_render_target (text_layer); + grub_video_restore (); + return grub_errno; +} + +static grub_command_t cmd; +#ifdef GRUB_MACHINE_PCBIOS +static grub_command_t cmd_vbe; +#endif + +GRUB_MOD_INIT(videotest) +{ + cmd = grub_register_command ("videotest", grub_cmd_videotest, + /* TRANSLATORS: "x" has to be entered in, + like an identifier, so please don't + use better Unicode codepoints. */ + N_("[WxH]"), + /* TRANSLATORS: Here, on the other hand, it's + nicer to use unicode cross instead of x. */ + N_("Test video subsystem in mode WxH.")); +#ifdef GRUB_MACHINE_PCBIOS + cmd_vbe = grub_register_command ("vbetest", grub_cmd_videotest, + 0, N_("Test video subsystem.")); +#endif +} + +GRUB_MOD_FINI(videotest) +{ + grub_unregister_command (cmd); +#ifdef GRUB_MACHINE_PCBIOS + grub_unregister_command (cmd_vbe); +#endif +} diff --git a/grub-core/commands/wildcard.c b/grub-core/commands/wildcard.c new file mode 100644 index 0000000..cc32903 --- /dev/null +++ b/grub-core/commands/wildcard.c @@ -0,0 +1,652 @@ +/* wildcard.c - Wildcard character expansion for GRUB script. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2010 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/mm.h> +#include <grub/fs.h> +#include <grub/env.h> +#include <grub/file.h> +#include <grub/device.h> +#include <grub/script_sh.h> +#include <grub/safemath.h> + +#include <regex.h> + +static inline int isregexop (char ch); +static char ** merge (char **lhs, char **rhs); +static char *make_dir (const char *prefix, const char *start, const char *end); +static int make_regex (const char *regex_start, const char *regex_end, + regex_t *regexp); +static void split_path (const char *path, const char **suffix_end, const char **regex_end); +static char ** match_devices (const regex_t *regexp, int noparts); +static char ** match_files (const char *prefix, const char *suffix_start, + const char *suffix_end, const regex_t *regexp); + +static grub_err_t wildcard_expand (const char *s, char ***strs); + +struct grub_script_wildcard_translator grub_filename_translator = { + .expand = wildcard_expand, +}; + +static char ** +merge (char **dest, char **ps) +{ + int i; + int j; + char **p; + grub_size_t sz; + + if (! dest) + return ps; + + if (! ps) + return dest; + + for (i = 0; dest[i]; i++) + ; + for (j = 0; ps[j]; j++) + ; + + if (grub_add (i, j, &sz) || + grub_add (sz, 1, &sz) || + grub_mul (sz, sizeof (char *), &sz)) + return dest; + + p = grub_realloc (dest, sz); + if (! p) + { + grub_free (dest); + grub_free (ps); + return 0; + } + + dest = p; + for (j = 0; ps[j]; j++) + dest[i++] = ps[j]; + dest[i] = 0; + + grub_free (ps); + return dest; +} + +static inline int +isregexop (char ch) +{ + return grub_strchr ("*.\\|+{}[]?", ch) ? 1 : 0; +} + +static char * +make_dir (const char *prefix, const char *start, const char *end) +{ + char ch; + unsigned i; + unsigned n; + char *result; + + i = grub_strlen (prefix); + n = i + end - start; + + result = grub_malloc (n + 1); + if (! result) + return 0; + + grub_strcpy (result, prefix); + while (start < end && (ch = *start++)) + if (ch == '\\' && isregexop (*start)) + result[i++] = *start++; + else + result[i++] = ch; + + result[i] = '\0'; + return result; +} + +static int +make_regex (const char *start, const char *end, regex_t *regexp) +{ + char ch; + int i = 0; + unsigned len = end - start; + char *buffer; + grub_size_t sz; + + /* Worst case size is (len * 2 + 2 + 1). */ + if (grub_mul (len, 2, &sz) || + grub_add (sz, 3, &sz)) + return 1; + + buffer = grub_malloc (sz); + if (! buffer) + return 1; + + buffer[i++] = '^'; + while (start < end) + { + /* XXX Only * and ? expansion for now. */ + switch ((ch = *start++)) + { + case '\\': + buffer[i++] = ch; + if (*start != '\0') + buffer[i++] = *start++; + break; + + case '.': + case '(': + case ')': + case '@': + case '+': + case '|': + case '{': + case '}': + case '[': + case ']': + buffer[i++] = '\\'; + buffer[i++] = ch; + break; + + case '*': + buffer[i++] = '.'; + buffer[i++] = '*'; + break; + + case '?': + buffer[i++] = '.'; + break; + + default: + buffer[i++] = ch; + } + } + buffer[i++] = '$'; + buffer[i] = '\0'; + grub_dprintf ("expand", "Regexp is %s\n", buffer); + + if (regcomp (regexp, buffer, RE_SYNTAX_GNU_AWK)) + { + grub_free (buffer); + return 1; + } + + grub_free (buffer); + return 0; +} + +/* Split `str' into two parts: (1) dirname that is regexop free (2) + dirname that has a regexop. */ +static void +split_path (const char *str, const char **noregexop, const char **regexop) +{ + char ch = 0; + int regex = 0; + + const char *end; + const char *split; /* points till the end of dirnaname that doesn't + need expansion. */ + + split = end = str; + while ((ch = *end)) + { + if (ch == '\\' && end[1]) + end++; + + else if (ch == '*' || ch == '?') + regex = 1; + + else if (ch == '/' && ! regex) + split = end + 1; /* forward to next regexop-free dirname */ + + else if (ch == '/' && regex) + break; /* stop at the first dirname with a regexop */ + + end++; + } + + *regexop = end; + if (! regex) + *noregexop = end; + else + *noregexop = split; +} + +/* Context for match_devices. */ +struct match_devices_ctx +{ + const regex_t *regexp; + int noparts; + int ndev; + char **devs; +}; + +/* Helper for match_devices. */ +static int +match_devices_iter (const char *name, void *data) +{ + struct match_devices_ctx *ctx = data; + char **t; + char *buffer; + grub_size_t sz; + + /* skip partitions if asked to. */ + if (ctx->noparts && grub_strchr (name, ',')) + return 0; + + buffer = grub_xasprintf ("(%s)", name); + if (! buffer) + return 1; + + grub_dprintf ("expand", "matching: %s\n", buffer); + if (regexec (ctx->regexp, buffer, 0, 0, 0)) + { + grub_dprintf ("expand", "not matched\n"); + fail: + grub_free (buffer); + return 0; + } + + if (grub_add (ctx->ndev, 2, &sz) || + grub_mul (sz, sizeof (char *), &sz)) + goto fail; + + t = grub_realloc (ctx->devs, sz); + if (! t) + { + grub_free (buffer); + return 1; + } + + ctx->devs = t; + ctx->devs[ctx->ndev++] = buffer; + ctx->devs[ctx->ndev] = 0; + return 0; +} + +static char ** +match_devices (const regex_t *regexp, int noparts) +{ + struct match_devices_ctx ctx = { + .regexp = regexp, + .noparts = noparts, + .ndev = 0, + .devs = 0 + }; + int i; + + if (grub_device_iterate (match_devices_iter, &ctx)) + goto fail; + + return ctx.devs; + + fail: + + for (i = 0; ctx.devs && ctx.devs[i]; i++) + grub_free (ctx.devs[i]); + + grub_free (ctx.devs); + + return 0; +} + +/* Context for match_files. */ +struct match_files_ctx +{ + const regex_t *regexp; + char **files; + unsigned nfile; + char *dir; +}; + +/* Helper for match_files. */ +static int +match_files_iter (const char *name, + const struct grub_dirhook_info *info __attribute__((unused)), + void *data) +{ + struct match_files_ctx *ctx = data; + char **t; + char *buffer; + grub_size_t sz; + + /* skip . and .. names */ + if (grub_strcmp(".", name) == 0 || grub_strcmp("..", name) == 0) + return 0; + + grub_dprintf ("expand", "matching: %s in %s\n", name, ctx->dir); + if (regexec (ctx->regexp, name, 0, 0, 0)) + return 0; + + grub_dprintf ("expand", "matched\n"); + + buffer = grub_xasprintf ("%s%s", ctx->dir, name); + if (! buffer) + return 1; + + if (grub_add (ctx->nfile, 2, &sz) || + grub_mul (sz, sizeof (char *), &sz)) + goto fail; + + t = grub_realloc (ctx->files, sz); + if (!t) + { + fail: + grub_free (buffer); + return 1; + } + + ctx->files = t; + ctx->files[ctx->nfile++] = buffer; + ctx->files[ctx->nfile] = 0; + return 0; +} + +static char ** +match_files (const char *prefix, const char *suffix, const char *end, + const regex_t *regexp) +{ + struct match_files_ctx ctx = { + .regexp = regexp, + .nfile = 0, + .files = 0 + }; + int i; + const char *path; + char *device_name; + grub_fs_t fs; + grub_device_t dev; + + dev = 0; + device_name = 0; + grub_error_push (); + + ctx.dir = make_dir (prefix, suffix, end); + if (! ctx.dir) + goto fail; + + device_name = grub_file_get_device_name (ctx.dir); + dev = grub_device_open (device_name); + if (! dev) + goto fail; + + fs = grub_fs_probe (dev); + if (! fs) + goto fail; + + if (ctx.dir[0] == '(') + { + path = grub_strchr (ctx.dir, ')'); + if (!path) + goto fail; + path++; + } + else + path = ctx.dir; + + if (fs->fs_dir (dev, path, match_files_iter, &ctx)) + goto fail; + + grub_free (ctx.dir); + grub_device_close (dev); + grub_free (device_name); + grub_error_pop (); + return ctx.files; + + fail: + + grub_free (ctx.dir); + + for (i = 0; ctx.files && ctx.files[i]; i++) + grub_free (ctx.files[i]); + + grub_free (ctx.files); + + if (dev) + grub_device_close (dev); + + grub_free (device_name); + + grub_error_pop (); + return 0; +} + +/* Context for check_file. */ +struct check_file_ctx +{ + const char *basename; + int found; +}; + +/* Helper for check_file. */ +static int +check_file_iter (const char *name, const struct grub_dirhook_info *info, + void *data) +{ + struct check_file_ctx *ctx = data; + + if (ctx->basename[0] == 0 + || (info->case_insensitive ? grub_strcasecmp (name, ctx->basename) == 0 + : grub_strcmp (name, ctx->basename) == 0)) + { + ctx->found = 1; + return 1; + } + + return 0; +} + +static int +check_file (const char *dir, const char *basename) +{ + struct check_file_ctx ctx = { + .basename = basename, + .found = 0 + }; + grub_fs_t fs; + grub_device_t dev; + const char *device_name, *path; + + device_name = grub_file_get_device_name (dir); + dev = grub_device_open (device_name); + if (! dev) + goto fail; + + fs = grub_fs_probe (dev); + if (! fs) + goto fail; + + if (dir[0] == '(') + { + path = grub_strchr (dir, ')'); + if (!path) + goto fail; + path++; + } + else + path = dir; + + fs->fs_dir (dev, path[0] ? path : "/", check_file_iter, &ctx); + if (grub_errno == 0 && basename[0] == 0) + ctx.found = 1; + + fail: + grub_errno = 0; + + return ctx.found; +} + +static void +unescape (char *out, const char *in, const char *end) +{ + char *optr; + const char *iptr; + + for (optr = out, iptr = in; iptr < end;) + { + if (*iptr == '\\' && iptr + 1 < end) + { + *optr++ = iptr[1]; + iptr += 2; + continue; + } + if (*iptr == '\\') + break; + *optr++ = *iptr++; + } + *optr = 0; +} + +static grub_err_t +wildcard_expand (const char *s, char ***strs) +{ + const char *start; + const char *regexop; + const char *noregexop; + char **paths = 0; + int had_regexp = 0; + + unsigned i; + regex_t regexp; + + *strs = 0; + if (s[0] != '/' && s[0] != '(' && s[0] != '*') + return 0; + + start = s; + while (*start) + { + split_path (start, &noregexop, ®exop); + + if (noregexop == regexop) + { + grub_dprintf ("expand", "no expansion needed\n"); + if (paths == 0) + { + paths = grub_malloc (sizeof (char *) * 2); + if (!paths) + goto fail; + paths[0] = grub_malloc (regexop - start + 1); + if (!paths[0]) + goto fail; + unescape (paths[0], start, regexop); + paths[1] = 0; + } + else + { + int j = 0; + for (i = 0; paths[i]; i++) + { + char *o, *oend; + char *n; + char *p; + o = paths[i]; + oend = o + grub_strlen (o); + n = grub_malloc ((oend - o) + (regexop - start) + 1); + if (!n) + goto fail; + grub_memcpy (n, o, oend - o); + + unescape (n + (oend - o), start, regexop); + if (had_regexp) + p = grub_strrchr (n, '/'); + else + p = 0; + if (!p) + { + grub_free (o); + paths[j++] = n; + continue; + } + *p = 0; + if (!check_file (n, p + 1)) + { + grub_dprintf ("expand", "file <%s> in <%s> not found\n", + p + 1, n); + grub_free (o); + grub_free (n); + continue; + } + *p = '/'; + grub_free (o); + paths[j++] = n; + } + if (j == 0) + { + grub_free (paths); + paths = 0; + goto done; + } + paths[j] = 0; + } + grub_dprintf ("expand", "paths[0] = `%s'\n", paths[0]); + start = regexop; + continue; + } + + if (make_regex (noregexop, regexop, ®exp)) + goto fail; + + had_regexp = 1; + + if (paths == 0) + { + if (start == noregexop) /* device part has regexop */ + paths = match_devices (®exp, *start != '('); + + else /* device part explicit wo regexop */ + paths = match_files ("", start, noregexop, ®exp); + } + else + { + char **r = 0; + + for (i = 0; paths[i]; i++) + { + char **p; + + p = match_files (paths[i], start, noregexop, ®exp); + grub_free (paths[i]); + if (! p) + continue; + + r = merge (r, p); + if (! r) + goto fail; + } + grub_free (paths); + paths = r; + } + + regfree (®exp); + if (! paths) + goto done; + + start = regexop; + } + + done: + + *strs = paths; + return 0; + + fail: + + for (i = 0; paths && paths[i]; i++) + grub_free (paths[i]); + grub_free (paths); + regfree (®exp); + return grub_errno; +} diff --git a/grub-core/commands/xen/lsxen.c b/grub-core/commands/xen/lsxen.c new file mode 100644 index 0000000..9771310 --- /dev/null +++ b/grub-core/commands/xen/lsxen.c @@ -0,0 +1,90 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2011 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/command.h> +#include <grub/i18n.h> +#include <grub/xen.h> +#include <grub/term.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static int +hook (const char *dir, void *hook_data __attribute__ ((unused))) +{ + grub_printf ("%s\n", dir); + return 0; +} + +static grub_err_t +grub_cmd_lsxen (grub_command_t cmd __attribute__ ((unused)), + int argc, char **args) +{ + char *dir; + grub_err_t err; + char *buf; + + if (argc >= 1) + return grub_xenstore_dir (args[0], hook, NULL); + + buf = grub_xenstore_get_file ("domid", NULL); + if (!buf) + return grub_errno; + dir = grub_xasprintf ("/local/domain/%s", buf); + grub_free (buf); + err = grub_xenstore_dir (dir, hook, NULL); + grub_free (dir); + return err; +} + +static grub_err_t +grub_cmd_catxen (grub_command_t cmd __attribute__ ((unused)), + int argc, char **args) +{ + const char *dir = "domid"; + char *buf; + + if (argc >= 1) + dir = args[0]; + + buf = grub_xenstore_get_file (dir, NULL); + if (!buf) + return grub_errno; + grub_xputs (buf); + grub_xputs ("\n"); + grub_free (buf); + return GRUB_ERR_NONE; + +} + +static grub_command_t cmd_ls, cmd_cat; + +GRUB_MOD_INIT (lsxen) +{ + cmd_ls = grub_register_command ("xen_ls", grub_cmd_lsxen, N_("[DIR]"), + N_("List Xen storage.")); + cmd_cat = grub_register_command ("xen_cat", grub_cmd_catxen, N_("[DIR]"), + N_("List Xen storage.")); +} + +GRUB_MOD_FINI (lsxen) +{ + grub_unregister_command (cmd_ls); + grub_unregister_command (cmd_cat); +} diff --git a/grub-core/commands/xnu_uuid.c b/grub-core/commands/xnu_uuid.c new file mode 100644 index 0000000..ae4b3a4 --- /dev/null +++ b/grub-core/commands/xnu_uuid.c @@ -0,0 +1,119 @@ +/* xnu_uuid.c - transform 64-bit serial number + to 128-bit uuid suitable for xnu. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 1995,1996,1998,1999,2001,2002, + * 2003, 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/types.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/err.h> +#include <grub/dl.h> +#include <grub/device.h> +#include <grub/disk.h> +#include <grub/fs.h> +#include <grub/file.h> +#include <grub/misc.h> +#include <grub/env.h> +#include <grub/command.h> +#include <grub/i18n.h> +#include <grub/crypto.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +/* This prefix is used by xnu and boot-132 to hash + together with volume serial. */ +static grub_uint8_t hash_prefix[16] + = {0xB3, 0xE2, 0x0F, 0x39, 0xF2, 0x92, 0x11, 0xD6, + 0x97, 0xA4, 0x00, 0x30, 0x65, 0x43, 0xEC, 0xAC}; + +static grub_err_t +grub_cmd_xnu_uuid (grub_command_t cmd __attribute__ ((unused)), + int argc, char **args) +{ + grub_uint64_t serial; + grub_uint8_t *xnu_uuid; + char uuid_string[sizeof ("xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx")]; + char *ptr; + void *ctx; + int low = 0; + + if (argc < 1) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "UUID required"); + + if (argc > 1 && grub_strcmp (args[0], "-l") == 0) + { + low = 1; + argc--; + args++; + } + + serial = grub_cpu_to_be64 (grub_strtoull (args[0], 0, 16)); + + ctx = grub_zalloc (GRUB_MD_MD5->contextsize); + if (!ctx) + return grub_errno; + GRUB_MD_MD5->init (ctx); + GRUB_MD_MD5->write (ctx, hash_prefix, sizeof (hash_prefix)); + GRUB_MD_MD5->write (ctx, &serial, sizeof (serial)); + GRUB_MD_MD5->final (ctx); + xnu_uuid = GRUB_MD_MD5->read (ctx); + + grub_snprintf (uuid_string, sizeof (uuid_string), + "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x", + (unsigned int) xnu_uuid[0], (unsigned int) xnu_uuid[1], + (unsigned int) xnu_uuid[2], (unsigned int) xnu_uuid[3], + (unsigned int) xnu_uuid[4], (unsigned int) xnu_uuid[5], + (unsigned int) ((xnu_uuid[6] & 0xf) | 0x30), + (unsigned int) xnu_uuid[7], + (unsigned int) ((xnu_uuid[8] & 0x3f) | 0x80), + (unsigned int) xnu_uuid[9], + (unsigned int) xnu_uuid[10], (unsigned int) xnu_uuid[11], + (unsigned int) xnu_uuid[12], (unsigned int) xnu_uuid[13], + (unsigned int) xnu_uuid[14], (unsigned int) xnu_uuid[15]); + if (!low) + for (ptr = uuid_string; *ptr; ptr++) + *ptr = grub_toupper (*ptr); + if (argc == 1) + grub_printf ("%s\n", uuid_string); + if (argc > 1) + grub_env_set (args[1], uuid_string); + + grub_free (ctx); + + return GRUB_ERR_NONE; +} + +static grub_command_t cmd; + + +GRUB_MOD_INIT (xnu_uuid) +{ + cmd = grub_register_command ("xnu_uuid", grub_cmd_xnu_uuid, + /* TRANSLATORS: GRUBUUID stands for "filesystem + UUID as used in GRUB". */ + N_("[-l] GRUBUUID [VARNAME]"), + N_("Transform 64-bit UUID to format " + "suitable for XNU. If -l is given keep " + "it lowercase as done by blkid.")); +} + +GRUB_MOD_FINI (xnu_uuid) +{ + grub_unregister_command (cmd); +} |