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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 1999,2000,2001,2002,2003,2004,2010 Free Software Foundation, Inc.
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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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* 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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* 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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#include <grub/types.h>
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#include <grub/misc.h>
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#include <grub/legacy_parse.h>
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#include <grub/i386/pc/vesa_modes_table.h>
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TYPE_TYPE_OR_NOMEM_OPTION,
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FLAG_IGNORE_REST = 0x001,
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FLAG_FALLBACK_AVAILABLE = 0x004,
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FLAG_FALLBACK = 0x008,
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FLAG_COLOR_INVERT = 0x010,
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FLAG_NO_MENUENTRY = 0x020,
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FLAG_MENUENTRY_ONLY = 0x040,
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FLAG_TERMINAL = 0x080,
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const char *shortdesc;
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struct legacy_command legacy_commands[] =
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{"blocklist", "blocklist '%s'\n", NULL, 0, 1, {TYPE_FILE}, 0, "FILE",
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"Print the blocklist notation of the file FILE."},
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{"boot", "boot\n", NULL, 0, 0, {}, 0, 0,
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"Boot the OS/chain-loader which has been loaded."},
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/* FIXME: bootp unsupported. */
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{"cat", "cat '%s'\n", NULL, 0, 1, {TYPE_FILE}, 0, "FILE",
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"Print the contents of the file FILE."},
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{"chainloader", "chainloader %s '%s'\n", NULL, 0,
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2, {TYPE_FORCE_OPTION, TYPE_FILE}, 0, "[--force] FILE",
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"Load the chain-loader FILE. If --force is specified, then load it"
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" forcibly, whether the boot loader signature is present or not."},
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{"cmp", "cmp '%s' '%s'\n", NULL, 0,
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2, {TYPE_FILE, TYPE_FILE}, FLAG_IGNORE_REST, "FILE1 FILE2",
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"Compare the file FILE1 with the FILE2 and inform the different values"
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{"color", "set color_normal='%s'; set color_highlight='%s'\n", NULL, 0,
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2, {TYPE_VERBATIM, TYPE_VERBATIM},
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FLAG_IGNORE_REST | FLAG_FALLBACK_AVAILABLE, "NORMAL [HIGHLIGHT]",
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"Change the menu colors. The color NORMAL is used for most"
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" lines in the menu, and the color HIGHLIGHT is used to highlight the"
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" line where the cursor points. If you omit HIGHLIGHT, then the"
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" inverted color of NORMAL is used for the highlighted line."
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" The format of a color is \"FG/BG\". FG and BG are symbolic color names."
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" A symbolic color name must be one of these: black, blue, green,"
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" cyan, red, magenta, brown, light-gray, dark-gray, light-blue,"
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" light-green, light-cyan, light-red, light-magenta, yellow and white."
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" But only the first eight names can be used for BG. You can prefix"
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" \"blink-\" to FG if you want a blinking foreground color."},
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{"color", "set color_normal='%s'; set color_highlight='%s'\n", NULL, 0,
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FLAG_IGNORE_REST | FLAG_FALLBACK | FLAG_COLOR_INVERT, NULL, NULL},
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{"configfile", "legacy_configfile '%s'\n", NULL, 0, 1, {TYPE_FILE},
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0, "FILE", "Load FILE as the configuration file."},
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"if [ -z \"$debug\" ]; then set debug=all; else set debug=; fi\n", NULL, 0,
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0, {}, 0, 0, "Turn on/off the debug mode."},
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"set default='%s'; if [ x\"$default\" = xsaved ]; then load_env; "
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"set default=\"$saved_entry\"; fi\n", NULL, 0, 1, {TYPE_VERBATIM}, 0,
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"Set the default entry to entry number NUM (if not specified, it is"
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" 0, the first entry) or the entry number saved by savedefault."},
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/* FIXME: dhcp unsupported. */
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{"displayapm", "lsapm\n", NULL, 0, 0, {}, 0, 0,
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"Display APM BIOS information."},
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{"displaymem", "lsmmap\n", NULL, 0, 0, {}, 0, 0,
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"Display what GRUB thinks the system address space map of the"
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" machine is, including all regions of physical RAM installed."},
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/* NOTE: embed unsupported. */
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{"fallback", "set fallback='%s'\n", NULL, 0,
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1, {TYPE_VERBATIM}, 0, "NUM...",
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"Go into unattended boot mode: if the default boot entry has any"
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" errors, instead of waiting for the user to do anything, it"
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" immediately starts over using the NUM entry (same numbering as the"
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" `default' command). This obviously won't help if the machine"
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" was rebooted by a kernel that GRUB loaded."},
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{"find", "search -sf '%s'\n", NULL, 0, 1, {TYPE_FILE}, 0, "FILENAME",
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"Search for the filename FILENAME in all of partitions and print the list of"
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" the devices which contain the file."},
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/* FIXME: fstest unsupported. */
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/* NOTE: The obsolete C/H/S geometry isn't shown anymore. */
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{"geometry", "insmod regexp; ls -l (%s*)\n", NULL, 0, 1, {TYPE_VERBATIM}, 0, "DRIVE",
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"Print the information for a drive DRIVE. "},
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{"halt", "halt %s\n", NULL, 0, 1, {TYPE_NOAPM_OPTION}, 0, "[--no-apm]",
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"Halt your system. If APM is available on it, turn off the power using"
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" the APM BIOS, unless you specify the option `--no-apm'."},
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/* FIXME: help unsupported. */ /* NUL_TERMINATE */
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"if sleep -i $timeout; then timeout=0; else timeout=-1; fi\n", 0,
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0, {}, 0, "", "Hide the menu."},
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{"hide", "parttool '%s' hidden+\n", NULL, 0, 1, {TYPE_PARTITION},
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"Hide PARTITION by setting the \"hidden\" bit in"
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" its partition type code."},
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/* FIXME: ifconfig unsupported. */
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/* FIXME: impsprobe unsupported. */
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{"initrd", "legacy_initrd '%s' %s\n", NULL, 0, 2, {TYPE_FILE_NO_CONSUME,
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TYPE_REST_VERBATIM}, 0,
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"Load an initial ramdisk FILE for a Linux format boot image and set the"
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" appropriate parameters in the Linux setup area in memory."},
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/* NOTE: install unsupported. */
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/* FIXME: ioprobe unsupported. */
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/* FIXME: really support --no-mem-option. */
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{"kernel", "legacy_kernel %s %s '%s' %s\n", NULL, 0,
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4, {TYPE_TYPE_OR_NOMEM_OPTION, TYPE_TYPE_OR_NOMEM_OPTION,
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TYPE_FILE_NO_CONSUME, TYPE_REST_VERBATIM}, 0,
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"[--no-mem-option] [--type=TYPE] FILE [ARG ...]",
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"Attempt to load the primary boot image from FILE. The rest of the"
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" line is passed verbatim as the \"kernel command line\". Any modules"
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" must be reloaded after using this command. The option --type is used"
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" to suggest what type of kernel to be loaded. TYPE must be either of"
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" \"netbsd\", \"freebsd\", \"openbsd\", \"linux\", \"biglinux\" and"
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" \"multiboot\". The option --no-mem-option tells GRUB not to pass a"
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" Linux's mem option automatically."},
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{"lock", "if ! authenticate legacy; then return; fi", NULL, 0, 0, {}, 0,
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0, "Break a command execution unless the user is authenticated."},
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{"makeactive", "parttool \"$root\" boot+\n", NULL, 0, 0, {}, 0, 0,
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"Set the active partition on the root disk to GRUB's root device."
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" This command is limited to _primary_ PC partitions on a hard disk."},
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{"map", "drivemap '%s' '%s'\n", NULL, 0,
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2, {TYPE_PARTITION, TYPE_PARTITION},
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FLAG_IGNORE_REST, "TO_DRIVE FROM_DRIVE",
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"Map the drive FROM_DRIVE to the drive TO_DRIVE. This is necessary"
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" when you chain-load some operating systems, such as DOS, if such an"
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" OS resides at a non-first drive."},
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/* NOTE: md5crypt unsupported since GRUB has not enough entropy and this
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hash shouldn't be used anymore. */
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{"module", "legacy_initrd '%s' %s\n", NULL, 0, 2, {TYPE_FILE_NO_CONSUME,
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TYPE_REST_VERBATIM}, 0,
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"Load a boot module FILE for a Multiboot format boot image (no"
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" interpretation of the file contents is made, so users of this"
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" command must know what the kernel in question expects). The"
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" rest of the line is passed as the \"module command line\", like"
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" the `kernel' command."},
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{"modulenounzip", "legacy_initrd_nounzip '%s' %s\n", NULL, 0, 2,
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{TYPE_FILE_NO_CONSUME, TYPE_REST_VERBATIM}, 0,
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"The same as `module', except that automatic decompression is"
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{"pager", "set pager=%s; if [ \"$pager\" = 0 ]; then "
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" echo Internal pager is now off; else "
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"echo Internal pager is now on; fi\n", NULL, 0,
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1, {TYPE_BOOL}, FLAG_FALLBACK_AVAILABLE, "[FLAG]",
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"Toggle pager mode with no argument. If FLAG is given and its value"
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" is `on', turn on the mode. If FLAG is `off', turn off the mode."},
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"if [ \"$pager\" = 1 ]; then pager=0; echo Internal pager is now off;"
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"else pager=1; echo Internal pager is now on; fi\n", NULL, 0, 0, {},
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FLAG_FALLBACK, NULL, NULL},
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/* FIXME: partnew unsupported. */
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{"parttype", "parttool '%s' type=%s\n", NULL, 0,
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2, {TYPE_PARTITION, TYPE_INT}, 0,
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"PART TYPE", "Change the type of the partition PART to TYPE."},
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{"password", "if [ \"$superusers\" = "" ]; then superusers=legacy; fi;\n"
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"legacy_password %s '%s'\n",
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"menuentry \"Superuser menu\" --users \"legacy\" { configfile '%s'; }\n",
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2, 3, {TYPE_OPTION, TYPE_VERBATIM, TYPE_FILE},
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FLAG_IGNORE_REST | FLAG_FALLBACK_AVAILABLE | FLAG_NO_MENUENTRY,
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"[--md5] PASSWD [FILE]",
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"If used in the first section of a menu file, disable all"
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" interactive editing control (menu entry editor and"
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" command line). If the password PASSWD is entered, it loads the"
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" FILE as a new config file and restarts the GRUB Stage 2. If you"
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" omit the argument FILE, then GRUB just unlocks privileged"
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" instructions. You can also use it in the script section, in"
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" which case it will ask for the password, before continuing."
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" The option --md5 tells GRUB that PASSWD is encrypted with"
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{"password", "if [ \"$superusers\" = "" ]; then superusers=legacy; fi;\n"
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"legacy_password %s '%s'\n", NULL, 0, 2, {TYPE_OPTION, TYPE_VERBATIM},
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FLAG_IGNORE_REST | FLAG_FALLBACK | FLAG_NO_MENUENTRY, NULL, NULL},
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{"password", "if legacy_check_password %s '%s'; then configfile '%s'; "
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"else return; fi\n", NULL, 2, 3, {TYPE_OPTION, TYPE_VERBATIM, TYPE_FILE},
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FLAG_IGNORE_REST | FLAG_FALLBACK_AVAILABLE | FLAG_MENUENTRY_ONLY,
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{"password", "if ! legacy_check_password %s '%s'; then return fi;\n",
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NULL, 0, 2, {TYPE_OPTION, TYPE_VERBATIM},
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FLAG_IGNORE_REST | FLAG_FALLBACK | FLAG_MENUENTRY_ONLY, NULL, NULL},
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/* NOTE: GRUB2 has a design principle of not eternally waiting for user
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input. 60 seconds should be enough.
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{"pause", "echo %s; if ! sleep -i 60; then return; fi\n", NULL, 0, 1,
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{TYPE_REST_VERBATIM}, 0,
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"[MESSAGE ...]", "Print MESSAGE, then wait until a key is pressed."},
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/* FIXME: rarp unsupported. */
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{"read", "read_dword %s\n", NULL, 0, 1, {TYPE_INT}, 0, "ADDR",
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"Read a 32-bit value from memory at address ADDR and"
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" display it in hex format."},
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{"reboot", "reboot\n", NULL, 0, 0, {}, 0, 0, "Reboot your system."},
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{"root", "set root='%s'; set legacy_hdbias='%s'\n", NULL, 0,
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2, {TYPE_PARTITION, TYPE_INT}, FLAG_FALLBACK_AVAILABLE,
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"Set the current \"root device\" to the device DEVICE, then"
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" attempt to mount it to get the partition size (for passing the"
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" partition descriptor in `ES:ESI', used by some chain-loaded"
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" bootloaders), the BSD drive-type (for booting BSD kernels using"
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" their native boot format), and correctly determine "
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" the PC partition where a BSD sub-partition is located. The"
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" optional HDBIAS parameter is a number to tell a BSD kernel"
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" how many BIOS drive numbers are on controllers before the current"
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" one. For example, if there is an IDE disk and a SCSI disk, and your"
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" FreeBSD root partition is on the SCSI disk, then use a `1' for HDBIAS."},
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{"root", "echo \"$root\"\n", NULL, 0, 0, {}, FLAG_FALLBACK, NULL, NULL},
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{"rootnoverify", "set root='%s'; set legacy_hdbias='%s'\n", NULL, 0,
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2, {TYPE_PARTITION, TYPE_INT}, 0,
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"Similar to `root', but don't attempt to mount the partition. This"
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" is useful for when an OS is outside of the area of the disk that"
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" GRUB can read, but setting the correct root device is still"
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" desired. Note that the items mentioned in `root' which"
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" derived from attempting the mount will NOT work correctly."},
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{"rootnoverify", "echo \"$root\"\n", NULL, 0,
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0, {}, FLAG_FALLBACK, NULL, NULL},
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/* FIXME: support saving NUM and fallback. */
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{"savedefault", "saved_entry=${chosen}; save_env saved_entry\n", NULL, 0,
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0, {}, 0, "[NUM | `fallback']",
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"Save the current entry as the default boot entry if no argument is"
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" specified. If a number is specified, this number is saved. If"
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" `fallback' is used, next fallback entry is saved."},
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{"serial", "serial %s\n", NULL, 0, 1, {TYPE_REST_VERBATIM}, 0,
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"[--unit=UNIT] [--port=PORT] [--speed=SPEED] [--word=WORD] "
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"[--parity=PARITY] [--stop=STOP] [--device=DEV]",
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"Initialize a serial device. UNIT is a digit that specifies which serial"
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" device is used (e.g. 0 == COM1). If you need to specify the port number,"
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" set it by --port. SPEED is the DTE-DTE speed. WORD is the word length,"
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" PARITY is the type of parity, which is one of `no', `odd' and `even'."
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" STOP is the length of stop bit(s). The option --device can be used only"
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" in the grub shell, which specifies the file name of a tty device. The"
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" default values are COM1, 9600, 8N1."},
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/* FIXME: setkey unsupported. */ /* NUL_TERMINATE */
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/* NOTE: setup unsupported. */
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/* FIXME: --no-echo, --no-edit, hercules unsupported. */
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/* NOTE: both terminals are activated so --silent and --timeout
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{"terminal", NULL, NULL, 0, 0, {}, FLAG_TERMINAL | FLAG_IGNORE_REST,
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"[--dumb] [--no-echo] [--no-edit] [--timeout=SECS] [--lines=LINES] "
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"[--silent] [console] [serial] [hercules]",
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"Select a terminal. When multiple terminals are specified, wait until"
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" you push any key to continue. If both console and serial are specified,"
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" the terminal to which you input a key first will be selected. If no"
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" argument is specified, print current setting. The option --dumb"
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" specifies that your terminal is dumb, otherwise, vt100-compatibility"
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" is assumed. If you specify --no-echo, input characters won't be echoed."
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" If you specify --no-edit, the BASH-like editing feature will be disabled."
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" If --timeout is present, this command will wait at most for SECS"
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" seconds. The option --lines specifies the maximum number of lines."
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" The option --silent is used to suppress messages."},
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/* FIXME: terminfo unsupported. */ /* NUL_TERMINATE */
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{"testload", "cat '%s'\n", NULL, 0, 1, {TYPE_FILE}, 0, "FILE",
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"Read the entire contents of FILE in several different ways and"
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" compares them, to test the filesystem code. "
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" If this test succeeds, then a good next"
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" step is to try loading a kernel."},
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{"testvbe", "insmod vbe; videotest '%s'\n", NULL, 0, 1, {TYPE_VBE_MODE}, 0,
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"MODE", "Test the VBE mode MODE. Hit any key to return."},
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/* FIXME: tftpserver unsupported. */
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{"timeout", "set timeout=%s\n", NULL, 0, 1, {TYPE_INT}, 0, "SEC",
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"Set a timeout, in SEC seconds, before automatically booting the"
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" default entry (normally the first entry defined)."},
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{"title", NULL, NULL, 0, 0, {}, FLAG_TITLE, "NAME ...",
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"Start a new boot entry, and set its name to the contents of the"
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" rest of the line, starting with the first non-space character."},
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{"unhide", "parttool '%s' hidden-\n", NULL, 0,
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1, {TYPE_PARTITION}, 0, "PARTITION",
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"Unhide PARTITION by clearing the \"hidden\" bit in its"
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" partition type code."},
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/* FIXME: uppermem unsupported. */
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{"uuid", "search --set=root --fs-uuid '%s'\n", NULL, 0, 1, {TYPE_VERBATIM},
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0, "UUID", "Find root by UUID"},
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{"vbeprobe", "insmod vbe; videoinfo '%s'\n", NULL, 0, 1, {TYPE_VBE_MODE},
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FLAG_FALLBACK_AVAILABLE, "[MODE]",
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"Probe VBE information. If the mode number MODE is specified, show only"
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" the information about only the mode."},
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{"vbeprobe", "insmod vbe; videoinfo\n", NULL, 0, 0, {},
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FLAG_FALLBACK, NULL, NULL}
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grub_legacy_escape (const char *in, grub_size_t len)
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for (ptr = in; ptr < in + len && *ptr; ptr++)
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ret = grub_malloc (ptr - in + overhead + 1);
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for (ptr = in; ptr < in + len && *ptr; ptr++)
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adjust_file (const char *in, grub_size_t len)
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const char *comma, *ptr, *rest;
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int part = -1, subpart = -1;
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return grub_legacy_escape (in, len);
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for (ptr = in + 1; ptr < in + len && *ptr && *ptr != ')'
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&& *ptr != ','; ptr++)
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if (*ptr == '\'' || *ptr == '\\')
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return grub_legacy_escape (in, len);
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part = grub_strtoull (comma + 1, (char **) &rest, 0);
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if (rest[0] == ',' && rest[1] >= 'a' && rest[1] <= 'z')
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subpart = rest[1] - 'a';
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for (ptr = rest; ptr < in + len && *ptr; ptr++)
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if (*ptr == '\'' || *ptr == '\\')
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/* 35 is enough for any 2 numbers. */
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ret = grub_malloc (ptr - in + overhead + 35);
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for (ptr = in; ptr < in + len && ptr <= comma; ptr++)
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if (*ptr == '\'' || *ptr == '\\')
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grub_snprintf (outptr, 35, "%d,%d", part + 1, subpart + 1);
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grub_snprintf (outptr, 35, "%d", part + 1);
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for (ptr = rest; ptr < in + len; ptr++)
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if (*ptr == '\'' || *ptr == '\\')
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check_option (const char *a, char *b, grub_size_t len)
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if (grub_strlen (b) != len)
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return grub_strncmp (a, b, len) == 0;
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is_option (enum arg_type opt, const char *curarg, grub_size_t len)
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case TYPE_NOAPM_OPTION:
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return check_option (curarg, "--no-apm", len);
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case TYPE_FORCE_OPTION:
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return check_option (curarg, "--force", len);
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case TYPE_TYPE_OR_NOMEM_OPTION:
426
return check_option (curarg, "--type=netbsd", len)
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|| check_option (curarg, "--type=freebsd", len)
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|| check_option (curarg, "--type=openbsd", len)
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|| check_option (curarg, "--type=linux", len)
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|| check_option (curarg, "--type=biglinux", len)
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|| check_option (curarg, "--type=multiboot", len)
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|| check_option (curarg, "--no-mem-option", len);
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return (len >= 2 && curarg[0] == '-' && curarg[1] == '-');
441
grub_legacy_parse (const char *buf, char **entryname, char **suffix)
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char *args[ARRAY_SIZE (legacy_commands[0].argt)];
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for (ptr = buf; *ptr && grub_isspace (*ptr); ptr++);
451
if (!*ptr || *ptr == '#')
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int len = grub_strlen (buf);
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ret = grub_malloc (len + 2);
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grub_memcpy (ret, buf, len);
457
if (len && ret[len - 1] == '\n')
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for (ptr = buf; *ptr && !grub_isspace (*ptr) && *ptr != '='; ptr++);
470
for (cmdnum = 0; cmdnum < ARRAY_SIZE (legacy_commands); cmdnum++)
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if (grub_strncmp (legacy_commands[cmdnum].name, cmdname, ptr - cmdname) == 0
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&& legacy_commands[cmdnum].name[ptr - cmdname] == 0
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&& (!(*entryname != NULL && (legacy_commands[cmdnum].flags
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& FLAG_NO_MENUENTRY)))
475
&& (!(*entryname == NULL && (legacy_commands[cmdnum].flags
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& FLAG_MENUENTRY_ONLY))))
478
if (cmdnum == ARRAY_SIZE (legacy_commands))
479
return grub_xasprintf ("# Unsupported legacy command: %s\n", buf);
481
for (; grub_isspace (*ptr) || *ptr == '='; ptr++);
483
if (legacy_commands[cmdnum].flags & FLAG_TITLE)
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ptr2 = ptr + grub_strlen (ptr);
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while (ptr2 > ptr && grub_isspace (*(ptr2 - 1)))
489
*entryname = grub_strndup (ptr, ptr2 - ptr);
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if (legacy_commands[cmdnum].flags & FLAG_TERMINAL)
495
int dumb = 0, lines = 24;
497
int no_echo = 0, no_edit = 0;
500
int console = 0, serial = 0;
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/* Big enough for any possible resulting command. */
502
char outbuf[256] = "";
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/* "[--timeout=SECS] [--silent]"
507
" [console] [serial] [hercules]"*/
508
if (grub_memcmp (ptr, "--dumb", sizeof ("--dumb") - 1) == 0)
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if (grub_memcmp (ptr, "--no-echo", sizeof ("--no-echo") - 1) == 0)
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if (grub_memcmp (ptr, "--no-edit", sizeof ("--no-edit") - 1) == 0)
517
if (grub_memcmp (ptr, "--lines=", sizeof ("--lines=") - 1) == 0)
519
lines = grub_strtoul (ptr + sizeof ("--lines=") - 1, 0, 0);
523
grub_errno = GRUB_ERR_NONE;
527
if (grub_memcmp (ptr, "console", sizeof ("console") - 1) == 0)
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if (grub_memcmp (ptr, "serial", sizeof ("serial") - 1) == 0)
533
if (grub_memcmp (ptr, "hercules", sizeof ("hercules") - 1) == 0)
536
while (*ptr && !grub_isspace (*ptr))
538
while (*ptr && grub_isspace (*ptr))
542
if (!console && !serial)
543
return grub_strdup ("terminal_input; terminal_output; terminfo\n");
545
grub_strcpy (outbuf, "terminal_input ");
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outptr = outbuf + grub_strlen (outbuf);
549
grub_strcpy (outptr, "serial ");
550
outptr += grub_strlen (outptr);
554
grub_strcpy (outptr, "console ");
555
outptr += grub_strlen (outptr);
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grub_strcpy (outptr, "; terminal_output ");
558
outptr += grub_strlen (outptr);
561
grub_strcpy (outptr, "serial ");
562
outptr += grub_strlen (outptr);
566
grub_strcpy (outptr, "console ");
567
outptr += grub_strlen (outptr);
569
grub_strcpy (outptr, "; ");
570
outptr += grub_strlen (outptr);
573
grub_snprintf (outptr, outbuf + sizeof (outbuf) - outptr,
574
"terminfo serial -g 80x%d %s; ",
575
lines, dumb ? "dumb" : "vt100");
576
outptr += grub_strlen (outptr);
579
grub_strcpy (outptr, "\n");
581
return grub_strdup (outbuf);
584
grub_memset (args, 0, sizeof (args));
588
const char *curarg = NULL;
589
for (i = 0; i < legacy_commands[cmdnum].argc; i++)
591
grub_size_t curarglen;
597
for (; grub_isspace (*ptr); ptr++);
601
for (; *ptr && !grub_isspace (*ptr); ptr++);
602
if (i != legacy_commands[cmdnum].argc - 1
603
|| (legacy_commands[cmdnum].flags & FLAG_IGNORE_REST))
604
curarglen = ptr - curarg;
607
curarglen = grub_strlen (curarg);
608
while (curarglen > 0 && grub_isspace (curarg[curarglen - 1]))
613
switch (legacy_commands[cmdnum].argt[i])
615
case TYPE_FILE_NO_CONSUME:
619
args[i] = adjust_file (curarg, curarglen);
622
case TYPE_REST_VERBATIM:
624
char *outptr, *outptr0;
629
for (; *ptr && grub_isspace (*ptr); ptr++);
630
for (; *ptr && !grub_isspace (*ptr); ptr++)
638
outptr0 = args[i] = grub_malloc (overhead + (ptr - curarg));
645
for (; *ptr && grub_isspace (*ptr); ptr++);
646
if (outptr != outptr0)
649
for (; *ptr && !grub_isspace (*ptr); ptr++)
670
args[i] = grub_legacy_escape (curarg, curarglen);
672
case TYPE_FORCE_OPTION:
673
case TYPE_NOAPM_OPTION:
674
case TYPE_TYPE_OR_NOMEM_OPTION:
676
if (is_option (legacy_commands[cmdnum].argt[i], curarg, curarglen))
678
args[i] = grub_strndup (curarg, curarglen);
681
args[i] = grub_strdup ("");
689
if (brk[0] == '0' && brk[1] == 'x')
691
else if (brk[0] == '0')
693
for (; *brk && brk < curarg + curarglen; brk++)
695
if (base == 8 && (*brk == '8' || *brk == '9'))
697
if (grub_isdigit (*brk))
701
if (!(*brk >= 'a' && *brk <= 'f')
702
&& !(*brk >= 'A' && *brk <= 'F'))
706
args[i] = grub_strdup ("0");
708
args[i] = grub_strndup (curarg, brk - curarg);
714
struct grub_vesa_mode_table_entry *modedesc;
716
mod = grub_strtoul (curarg, 0, 0);
720
grub_errno = GRUB_ERR_NONE;
722
if (mod < GRUB_VESA_MODE_TABLE_START
723
|| mod > GRUB_VESA_MODE_TABLE_END)
725
args[i] = grub_strdup ("auto");
728
modedesc = &grub_vesa_mode_table[mod - GRUB_VESA_MODE_TABLE_START];
729
if (!modedesc->width)
731
args[i] = grub_strdup ("auto");
734
args[i] = grub_xasprintf ("%ux%ux%u",
735
modedesc->width, modedesc->height,
740
if (curarglen == 2 && curarg[0] == 'o' && curarg[1] == 'n')
741
args[i] = grub_strdup ("1");
743
args[i] = grub_strdup ("0");
749
while (legacy_commands[cmdnum].argc > 0
750
&& args[legacy_commands[cmdnum].argc - 1] == NULL
751
&& (legacy_commands[cmdnum].flags & FLAG_FALLBACK_AVAILABLE)
752
&& args[legacy_commands[cmdnum + 1].argc] == NULL)
755
for (; i < legacy_commands[cmdnum].argc; i++)
756
switch (legacy_commands[cmdnum].argt[i])
758
case TYPE_FILE_NO_CONSUME:
761
case TYPE_REST_VERBATIM:
763
case TYPE_FORCE_OPTION:
764
case TYPE_NOAPM_OPTION:
765
case TYPE_TYPE_OR_NOMEM_OPTION:
767
args[i] = grub_strdup ("");
771
args[i] = grub_strdup ("0");
774
args[i] = grub_strdup ("auto");
778
if (legacy_commands[cmdnum].flags & FLAG_COLOR_INVERT)
780
char *corig = args[legacy_commands[cmdnum].argc - 1];
781
char *slash = grub_strchr (corig, '/');
785
len = grub_strlen (corig);
788
grub_error (GRUB_ERR_BAD_ARGUMENT, "bad color specification %s",
792
invert = grub_malloc (len + 1);
795
grub_memcpy (invert, slash + 1, len - (slash - corig) - 1);
796
invert[len - (slash - args[0]) - 1] = '/';
797
grub_memcpy (invert + len - (slash - corig), corig, slash - corig);
799
args[legacy_commands[cmdnum].argc] = invert;
802
if (legacy_commands[cmdnum].suffix)
804
*suffix = grub_xasprintf (legacy_commands[cmdnum].suffix,
805
args[legacy_commands[cmdnum].suffixarg]);
811
char *ret = grub_xasprintf (legacy_commands[cmdnum].map, args[0], args[1],
added
removed
grub-core/lib/legacy_parse.c
