222 lines
6.2 KiB
C
222 lines
6.2 KiB
C
/*
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* Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010,2013 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <grub/util/install.h>
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#include <grub/emu/config.h>
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#include <grub/util/misc.h>
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#include <string.h>
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#include <errno.h>
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#pragma GCC diagnostic ignored "-Wmissing-prototypes"
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#pragma GCC diagnostic ignored "-Wmissing-declarations"
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#include <argp.h>
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#pragma GCC diagnostic error "-Wmissing-prototypes"
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#pragma GCC diagnostic error "-Wmissing-declarations"
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static char *rootdir = NULL, *subdir = NULL;
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static char *debug_image = NULL;
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enum
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{
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OPTION_NET_DIRECTORY = 0x301,
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OPTION_SUBDIR,
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OPTION_DEBUG,
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OPTION_DEBUG_IMAGE
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};
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static struct argp_option options[] = {
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GRUB_INSTALL_OPTIONS,
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{"net-directory", OPTION_NET_DIRECTORY, N_("DIR"),
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0, N_("root directory of TFTP server"), 2},
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{"subdir", OPTION_SUBDIR, N_("DIR"),
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0, N_("relative subdirectory on network server"), 2},
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{"debug", OPTION_DEBUG, 0, OPTION_HIDDEN, 0, 2},
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{"debug-image", OPTION_DEBUG_IMAGE, N_("STRING"), OPTION_HIDDEN, 0, 2},
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{0, 0, 0, 0, 0, 0}
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};
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static error_t
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argp_parser (int key, char *arg, struct argp_state *state)
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{
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if (grub_install_parse (key, arg))
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return 0;
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switch (key)
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{
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case OPTION_NET_DIRECTORY:
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free (rootdir);
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rootdir = xstrdup (arg);
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return 0;
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case OPTION_SUBDIR:
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free (subdir);
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subdir = xstrdup (arg);
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return 0;
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/* This is an undocumented feature... */
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case OPTION_DEBUG:
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verbosity++;
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return 0;
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case OPTION_DEBUG_IMAGE:
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free (debug_image);
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debug_image = xstrdup (arg);
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return 0;
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case ARGP_KEY_ARG:
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default:
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return ARGP_ERR_UNKNOWN;
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}
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}
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struct argp argp = {
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options, argp_parser, NULL,
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"\v"N_("Prepares GRUB network boot images at net_directory/subdir "
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"assuming net_directory being TFTP root."),
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NULL, grub_install_help_filter, NULL
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};
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static char *base;
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static const struct
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{
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const char *mkimage_target;
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const char *netmodule;
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const char *ext;
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} targets[GRUB_INSTALL_PLATFORM_MAX] =
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{
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[GRUB_INSTALL_PLATFORM_I386_PC] = { "i386-pc-pxe", "pxe", ".0" },
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[GRUB_INSTALL_PLATFORM_SPARC64_IEEE1275] = { "sparc64-ieee1275-aout", "ofnet", ".img" },
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[GRUB_INSTALL_PLATFORM_I386_IEEE1275] = { "i386-ieee1275", "ofnet", ".elf" },
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[GRUB_INSTALL_PLATFORM_POWERPC_IEEE1275] = { "powerpc-ieee1275", "ofnet", ".elf" },
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[GRUB_INSTALL_PLATFORM_I386_EFI] = { "i386-efi", "efinet", ".efi" },
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[GRUB_INSTALL_PLATFORM_X86_64_EFI] = { "x86_64-efi", "efinet", ".efi" },
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[GRUB_INSTALL_PLATFORM_IA64_EFI] = { "ia64-efi", "efinet", ".efi" },
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[GRUB_INSTALL_PLATFORM_ARM_EFI] = { "arm-efi", "efinet", ".efi" },
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[GRUB_INSTALL_PLATFORM_ARM64_EFI] = { "arm64-efi", "efinet", ".efi" }
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};
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static void
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process_input_dir (const char *input_dir, enum grub_install_plat platform)
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{
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char *platsub = grub_install_get_platform_name (platform);
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char *grubdir = grub_util_path_concat (3, rootdir, subdir, platsub);
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char *load_cfg = grub_util_path_concat (2, grubdir, "load.cfg");
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char *prefix;
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char *output;
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char *grub_cfg;
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FILE *cfg;
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grub_install_copy_files (input_dir, base, platform);
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grub_util_unlink (load_cfg);
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if (debug_image)
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{
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FILE *f = grub_util_fopen (load_cfg, "wb");
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if (!f)
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grub_util_error (_("cannot open `%s': %s"), load_cfg,
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strerror (errno));
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fprintf (f, "set debug='%s'\n", debug_image);
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fclose (f);
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}
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else
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{
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free (load_cfg);
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load_cfg = 0;
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}
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prefix = xasprintf ("/%s", subdir);
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if (!targets[platform].mkimage_target)
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grub_util_error (_("unsupported platform %s"), platsub);
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grub_cfg = grub_util_path_concat (2, grubdir, "grub.cfg");
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cfg = grub_util_fopen (grub_cfg, "wb");
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if (!cfg)
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grub_util_error (_("cannot open `%s': %s"), grub_cfg,
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strerror (errno));
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fprintf (cfg, "source %s/grub.cfg", subdir);
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fclose (cfg);
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grub_install_push_module (targets[platform].netmodule);
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output = grub_util_path_concat_ext (2, grubdir, "core", targets[platform].ext);
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grub_install_make_image_wrap (input_dir, prefix, output,
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0, load_cfg,
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targets[platform].mkimage_target, 0);
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grub_install_pop_module ();
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/* TRANSLATORS: First %s is replaced by platform name. Second one by filename. */
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printf (_("Netboot directory for %s created. Configure your DHCP server to point to %s\n"),
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platsub, output);
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free (platsub);
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free (output);
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free (prefix);
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free (grub_cfg);
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free (grubdir);
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}
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int
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main (int argc, char *argv[])
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{
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const char *pkglibdir;
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grub_util_host_init (&argc, &argv);
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grub_util_disable_fd_syncs ();
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rootdir = xstrdup ("/srv/tftp");
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pkglibdir = grub_util_get_pkglibdir ();
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subdir = grub_util_path_concat (2, GRUB_BOOT_DIR_NAME, GRUB_DIR_NAME);
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argp_parse (&argp, argc, argv, 0, 0, 0);
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base = grub_util_path_concat (2, rootdir, subdir);
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/* Create the GRUB directory if it is not present. */
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grub_install_mkdir_p (base);
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grub_install_push_module ("tftp");
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if (!grub_install_source_directory)
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{
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enum grub_install_plat plat;
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for (plat = 0; plat < GRUB_INSTALL_PLATFORM_MAX; plat++)
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if (targets[plat].mkimage_target)
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{
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char *platdir = grub_util_path_concat (2, pkglibdir,
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grub_install_get_platform_name (plat));
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grub_util_info ("Looking for `%s'", platdir);
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if (!grub_util_is_directory (platdir))
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{
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free (platdir);
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continue;
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}
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process_input_dir (platdir, plat);
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}
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}
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else
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{
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enum grub_install_plat plat;
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plat = grub_install_get_target (grub_install_source_directory);
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process_input_dir (grub_install_source_directory, plat);
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}
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return 0;
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}
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