diff options
Diffstat (limited to 'grub-core/osdep/unix/platform.c')
| -rw-r--r-- | grub-core/osdep/unix/platform.c | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/grub-core/osdep/unix/platform.c b/grub-core/osdep/unix/platform.c new file mode 100644 index 0000000..55b8f40 --- /dev/null +++ b/grub-core/osdep/unix/platform.c @@ -0,0 +1,241 @@ +/* + * 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 <config.h> + +#include <grub/util/install.h> +#include <grub/emu/hostdisk.h> +#include <grub/util/misc.h> +#include <grub/misc.h> +#include <grub/i18n.h> +#include <grub/emu/exec.h> +#include <sys/types.h> +#include <dirent.h> +#include <string.h> +#include <errno.h> + +static char * +get_ofpathname (const char *dev) +{ + size_t alloced = 4096; + char *ret = xmalloc (alloced); + size_t offset = 0; + int fd; + pid_t pid; + + pid = grub_util_exec_pipe ((const char * []){ "ofpathname", dev, NULL }, &fd); + if (!pid) + goto fail; + + FILE *fp = fdopen (fd, "r"); + if (!fp) + goto fail; + + while (!feof (fp)) + { + size_t r; + if (alloced == offset) + { + alloced *= 2; + ret = xrealloc (ret, alloced); + } + r = fread (ret + offset, 1, alloced - offset, fp); + offset += r; + } + + if (offset > 0 && ret[offset - 1] == '\n') + offset--; + if (offset > 0 && ret[offset - 1] == '\r') + offset--; + if (alloced == offset) + { + alloced++; + ret = xrealloc (ret, alloced); + } + ret[offset] = '\0'; + + fclose (fp); + + return ret; + + fail: + grub_util_error (_("couldn't find IEEE1275 device path for %s.\nYou will have to set `boot-device' variable manually"), + dev); +} + +static int +grub_install_remove_efi_entries_by_distributor (const char *efi_distributor) +{ + int fd; + pid_t pid = grub_util_exec_pipe ((const char * []){ "efibootmgr", NULL }, &fd); + char *line = NULL; + size_t len = 0; + int rc = 0; + + if (!pid) + { + grub_util_warn (_("Unable to open stream from %s: %s"), + "efibootmgr", strerror (errno)); + return errno; + } + + FILE *fp = fdopen (fd, "r"); + if (!fp) + { + grub_util_warn (_("Unable to open stream from %s: %s"), + "efibootmgr", strerror (errno)); + return errno; + } + + line = xmalloc (80); + len = 80; + while (1) + { + int ret; + char *bootnum; + ret = getline (&line, &len, fp); + if (ret == -1) + break; + if (grub_memcmp (line, "Boot", sizeof ("Boot") - 1) != 0 + || line[sizeof ("Boot") - 1] < '0' + || line[sizeof ("Boot") - 1] > '9') + continue; + if (!strcasestr (line, efi_distributor)) + continue; + bootnum = line + sizeof ("Boot") - 1; + bootnum[4] = '\0'; + if (!verbosity) + rc = grub_util_exec ((const char * []){ "efibootmgr", "-q", + "-b", bootnum, "-B", NULL }); + else + rc = grub_util_exec ((const char * []){ "efibootmgr", + "-b", bootnum, "-B", NULL }); + } + + free (line); + return rc; +} + +int +grub_install_register_efi (grub_device_t efidir_grub_dev, + const char *efifile_path, + const char *efi_distributor) +{ + const char * efidir_disk; + int efidir_part; + int ret; + efidir_disk = grub_util_biosdisk_get_osdev (efidir_grub_dev->disk); + efidir_part = efidir_grub_dev->disk->partition ? efidir_grub_dev->disk->partition->number + 1 : 1; + + if (grub_util_exec_redirect_null ((const char * []){ "efibootmgr", "--version", NULL })) + { + /* TRANSLATORS: This message is shown when required executable `%s' + isn't found. */ + grub_util_error (_("%s: not found"), "efibootmgr"); + } + + /* On Linux, we need the efivars kernel modules. */ +#ifdef __linux__ + grub_util_exec ((const char * []){ "modprobe", "-q", "efivars", NULL }); +#endif + /* Delete old entries from the same distributor. */ + ret = grub_install_remove_efi_entries_by_distributor (efi_distributor); + if (ret) + return ret; + + char *efidir_part_str = xasprintf ("%d", efidir_part); + + if (!verbosity) + ret = grub_util_exec ((const char * []){ "efibootmgr", "-q", + "-c", "-d", efidir_disk, + "-p", efidir_part_str, "-w", + "-L", efi_distributor, "-l", + efifile_path, NULL }); + else + ret = grub_util_exec ((const char * []){ "efibootmgr", + "-c", "-d", efidir_disk, + "-p", efidir_part_str, "-w", + "-L", efi_distributor, "-l", + efifile_path, NULL }); + free (efidir_part_str); + return ret; +} + +void +grub_install_register_ieee1275 (int is_prep, const char *install_device, + int partno, const char *relpath) +{ + char *boot_device; + + if (grub_util_exec_redirect_null ((const char * []){ "ofpathname", "--version", NULL })) + { + /* TRANSLATORS: This message is shown when required executable `%s' + isn't found. */ + grub_util_error (_("%s: not found"), "ofpathname"); + } + + /* Get the Open Firmware device tree path translation. */ + if (!is_prep) + { + char *ptr; + char *ofpath; + const char *iptr; + + ofpath = get_ofpathname (install_device); + boot_device = xmalloc (strlen (ofpath) + 1 + + sizeof ("XXXXXXXXXXXXXXXXXXXX") + + 1 + strlen (relpath) + 1); + ptr = grub_stpcpy (boot_device, ofpath); + *ptr++ = ':'; + grub_snprintf (ptr, sizeof ("XXXXXXXXXXXXXXXXXXXX"), "%d", + partno); + ptr += strlen (ptr); + *ptr++ = ','; + for (iptr = relpath; *iptr; iptr++, ptr++) + { + if (*iptr == '/') + *ptr = '\\'; + else + *ptr = *iptr; + } + *ptr = '\0'; + } + else + boot_device = get_ofpathname (install_device); + + if (grub_util_exec ((const char * []){ "nvsetenv", "boot-device", + boot_device, NULL })) + { + char *cmd = xasprintf ("setenv boot-device %s", boot_device); + grub_util_error (_("`nvsetenv' failed. \nYou will have to set `boot-device' variable manually. At the IEEE1275 prompt, type:\n %s\n"), + cmd); + free (cmd); + } + + free (boot_device); +} + +void +grub_install_sgi_setup (const char *install_device, + const char *imgfile, const char *destname) +{ + grub_util_exec ((const char * []){ "dvhtool", "-d", + install_device, "--unix-to-vh", + imgfile, destname, NULL }); + grub_util_warn ("%s", _("You will have to set `SystemPartition' and `OSLoader' manually.")); +} |