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/*
* Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010,2013 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 <config.h>
#include <grub/util/install.h>
#include <grub/emu/config.h>
#include <grub/util/misc.h>
#include <string.h>
#include <errno.h>
#pragma GCC diagnostic ignored "-Wmissing-prototypes"
#pragma GCC diagnostic ignored "-Wmissing-declarations"
#include <argp.h>
#pragma GCC diagnostic error "-Wmissing-prototypes"
#pragma GCC diagnostic error "-Wmissing-declarations"
static char *rootdir = NULL, *subdir = NULL;
static char *debug_image = NULL;
enum
{
OPTION_NET_DIRECTORY = 0x301,
OPTION_SUBDIR,
OPTION_DEBUG,
OPTION_DEBUG_IMAGE
};
static struct argp_option options[] = {
GRUB_INSTALL_OPTIONS,
{"net-directory", OPTION_NET_DIRECTORY, N_("DIR"),
0, N_("root directory of TFTP server"), 2},
{"subdir", OPTION_SUBDIR, N_("DIR"),
0, N_("relative subdirectory on network server"), 2},
{"debug", OPTION_DEBUG, 0, OPTION_HIDDEN, 0, 2},
{"debug-image", OPTION_DEBUG_IMAGE, N_("STRING"), OPTION_HIDDEN, 0, 2},
{0, 0, 0, 0, 0, 0}
};
static error_t
argp_parser (int key, char *arg, struct argp_state *state)
{
if (grub_install_parse (key, arg))
return 0;
switch (key)
{
case OPTION_NET_DIRECTORY:
free (rootdir);
rootdir = xstrdup (arg);
return 0;
case OPTION_SUBDIR:
free (subdir);
subdir = xstrdup (arg);
return 0;
/* This is an undocumented feature... */
case OPTION_DEBUG:
verbosity++;
return 0;
case OPTION_DEBUG_IMAGE:
free (debug_image);
debug_image = xstrdup (arg);
return 0;
case ARGP_KEY_ARG:
default:
return ARGP_ERR_UNKNOWN;
}
}
struct argp argp = {
options, argp_parser, NULL,
"\v"N_("Prepares GRUB network boot images at net_directory/subdir "
"assuming net_directory being TFTP root."),
NULL, grub_install_help_filter, NULL
};
static char *base;
static const struct
{
const char *mkimage_target;
const char *netmodule;
const char *ext;
} targets[GRUB_INSTALL_PLATFORM_MAX] =
{
[GRUB_INSTALL_PLATFORM_I386_PC] = { "i386-pc-pxe", "pxe", ".0" },
[GRUB_INSTALL_PLATFORM_SPARC64_IEEE1275] = { "sparc64-ieee1275-aout", "ofnet", ".img" },
[GRUB_INSTALL_PLATFORM_I386_IEEE1275] = { "i386-ieee1275", "ofnet", ".elf" },
[GRUB_INSTALL_PLATFORM_POWERPC_IEEE1275] = { "powerpc-ieee1275", "ofnet", ".elf" },
[GRUB_INSTALL_PLATFORM_I386_EFI] = { "i386-efi", "efinet", ".efi" },
[GRUB_INSTALL_PLATFORM_X86_64_EFI] = { "x86_64-efi", "efinet", ".efi" },
[GRUB_INSTALL_PLATFORM_IA64_EFI] = { "ia64-efi", "efinet", ".efi" },
[GRUB_INSTALL_PLATFORM_ARM_EFI] = { "arm-efi", "efinet", ".efi" },
[GRUB_INSTALL_PLATFORM_ARM64_EFI] = { "arm64-efi", "efinet", ".efi" },
[GRUB_INSTALL_PLATFORM_RISCV32_EFI] = { "riscv32-efi", "efinet", ".efi" },
[GRUB_INSTALL_PLATFORM_RISCV64_EFI] = { "riscv64-efi", "efinet", ".efi" },
};
static void
process_input_dir (const char *input_dir, enum grub_install_plat platform)
{
char *platsub = grub_install_get_platform_name (platform);
char *grubdir = grub_util_path_concat (3, rootdir, subdir, platsub);
char *load_cfg = grub_util_path_concat (2, grubdir, "load.cfg");
char *prefix;
char *output;
char *grub_cfg;
FILE *cfg;
grub_install_copy_files (input_dir, base, platform);
grub_util_unlink (load_cfg);
if (debug_image)
{
FILE *f = grub_util_fopen (load_cfg, "wb");
if (!f)
grub_util_error (_("cannot open `%s': %s"), load_cfg,
strerror (errno));
fprintf (f, "set debug='%s'\n", debug_image);
fclose (f);
}
else
{
free (load_cfg);
load_cfg = 0;
}
prefix = xasprintf ("/%s", subdir);
if (!targets[platform].mkimage_target)
grub_util_error (_("unsupported platform %s"), platsub);
grub_cfg = grub_util_path_concat (2, grubdir, "grub.cfg");
cfg = grub_util_fopen (grub_cfg, "wb");
if (!cfg)
grub_util_error (_("cannot open `%s': %s"), grub_cfg,
strerror (errno));
fprintf (cfg, "source %s/grub.cfg", subdir);
fclose (cfg);
grub_install_push_module (targets[platform].netmodule);
output = grub_util_path_concat_ext (2, grubdir, "core", targets[platform].ext);
grub_install_make_image_wrap (input_dir, prefix, output,
0, load_cfg,
targets[platform].mkimage_target, 0);
grub_set_install_backup_ponr ();
grub_install_pop_module ();
/* TRANSLATORS: First %s is replaced by platform name. Second one by filename. */
printf (_("Netboot directory for %s created. Configure your DHCP server to point to %s\n"),
platsub, output);
free (platsub);
free (output);
free (prefix);
free (grub_cfg);
free (grubdir);
}
int
main (int argc, char *argv[])
{
const char *pkglibdir;
grub_util_host_init (&argc, &argv);
grub_util_disable_fd_syncs ();
rootdir = xstrdup ("/srv/tftp");
pkglibdir = grub_util_get_pkglibdir ();
subdir = grub_util_path_concat (2, GRUB_BOOT_DIR_NAME, GRUB_DIR_NAME);
argp_parse (&argp, argc, argv, 0, 0, 0);
base = grub_util_path_concat (2, rootdir, subdir);
/* Create the GRUB directory if it is not present. */
grub_install_mkdir_p (base);
grub_install_push_module ("tftp");
if (!grub_install_source_directory)
{
enum grub_install_plat plat;
for (plat = 0; plat < GRUB_INSTALL_PLATFORM_MAX; plat++)
if (targets[plat].mkimage_target)
{
char *platdir = grub_util_path_concat (2, pkglibdir,
grub_install_get_platform_name (plat));
grub_util_info ("Looking for `%s'", platdir);
if (!grub_util_is_directory (platdir))
{
free (platdir);
continue;
}
process_input_dir (platdir, plat);
}
}
else
{
enum grub_install_plat plat;
plat = grub_install_get_target (grub_install_source_directory);
process_input_dir (grub_install_source_directory, plat);
}
return 0;
}
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