Implement grub-menulst2cfg and fix many bugs in legacy_parser
This commit is contained in:
Vladimir 'phcoder' Serbinenko
parent
92eb189b69
commit
fff175c77f
6 changed files with 636 additions and 468 deletions
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@ -508,3 +508,12 @@ program = {
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ldadd = libgrub.a;
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ldadd = libgrub.a;
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ldflags = '$(LIBDEVMAPPER)';
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ldflags = '$(LIBDEVMAPPER)';
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};
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};
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program = {
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name = grub-menulst2cfg;
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mansection = 1;
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common = util/grub-menulst2cfg.c;
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common = grub-core/lib/legacy_parse.c;
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ldadd = libgrub.a;
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ldflags = '$(LIBDEVMAPPER)';
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};
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@ -1407,5 +1407,6 @@ module = {
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module = {
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module = {
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name = legacycfg;
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name = legacycfg;
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common = commands/legacycfg.c;
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common = commands/legacycfg.c;
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common = lib/legacy_parse.c;
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enable = i386_pc;
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enable = i386_pc;
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};
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};
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@ -28,472 +28,7 @@
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#include <grub/script_sh.h>
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#include <grub/script_sh.h>
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#include <grub/i18n.h>
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#include <grub/i18n.h>
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#include <grub/term.h>
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#include <grub/term.h>
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#include <grub/legacy_parse.h>
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struct legacy_command
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{
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const char *name;
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const char *map;
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unsigned argc;
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enum arg_type {
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TYPE_VERBATIM,
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TYPE_FORCE_OPTION,
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TYPE_NOAPM_OPTION,
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TYPE_TYPE_OR_NOMEM_OPTION,
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TYPE_FILE,
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TYPE_PARTITION,
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TYPE_BOOL,
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TYPE_INT,
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TYPE_REST_VERBATIM
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} argt[4];
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enum {
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FLAG_IGNORE_REST = 1
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} flags;
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const char *shortdesc;
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const char *longdesc;
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};
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struct legacy_command legacy_commands[] =
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{
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{"blocklist", "blocklist '%s'\n", 1, {TYPE_FILE}, 0, "FILE",
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"Print the blocklist notation of the file FILE."
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},
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{"boot", "boot\n", 0, {}, 0, 0,
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"Boot the OS/chain-loader which has been loaded."},
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/* bootp unsupported. */
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{"cat", "cat '%s'\n", 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", 2, {TYPE_FORCE_OPTION, TYPE_FILE},
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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", 2, {TYPE_FILE, TYPE_FILE}, FLAG_IGNORE_REST,
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"FILE1 FILE2",
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"Compare the file FILE1 with the FILE2 and inform the different values"
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" if any."},
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/* FIXME: Implement command. */
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{"color", "legacy_color '%s' '%s'\n", 2, {TYPE_VERBATIM, TYPE_VERBATIM},
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FLAG_IGNORE_REST, "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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{"configfile", "legacy_configfile '%s'\n", 1, {TYPE_FILE}, 0, "FILE",
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"Load FILE as the configuration file."},
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{"debug",
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"if [ -z \"$debug\" ]; then set debug=all; else set debug=; fi\n",
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0, {}, 0, 0, "Turn on/off the debug mode."},
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{"default",
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"set default='%s'; if [ x\"$default\" = xsaved ]; then load_env; "
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"set default=\"$saved_entry\"; fi\n", 1, {TYPE_VERBATIM}, 0,
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"[NUM | `saved']",
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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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/* dhcp unsupported. */
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/* displayapm unsupported. */
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{"displaymem", "lsmmap\n", 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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/* embed unsupported. */
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{"fallback", "set fallback='%s'\n", 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 -f '%s'\n", 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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/* fstest unsupported. */
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/* geometry unsupported. */
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{"halt", "halt %s\n", 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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/* help unsupported. */ /* NUL_TERMINATE */
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/* hiddenmenu unsupported. */
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{"hide", "parttool '%s' hidden+\n", 1, {TYPE_PARTITION}, 0, "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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/* ifconfig unsupported. */
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/* impsprobe unsupported. */
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/* FIXME: Implement command. */
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{"initrd", "legacy_initrd '%s' %s\n", 2, {TYPE_FILE, TYPE_REST_VERBATIM}, 0,
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"FILE [ARG ...]",
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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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/* install unsupported. */
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/* ioprobe unsupported. */
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/* FIXME: implement command. */
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{"kernel", "legacy_kernel %s '%s' %s\n", 4, {TYPE_TYPE_OR_NOMEM_OPTION,
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TYPE_TYPE_OR_NOMEM_OPTION,
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TYPE_FILE,
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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 is handled separately. */
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{"makeactive", "parttool \"$root\" boot+\n", 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", 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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/* md5crypt unsupported. */
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{"module", "legacy_initrd '%s' %s\n", 1, {TYPE_FILE, TYPE_REST_VERBATIM}, 0,
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"FILE [ARG ...]",
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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 unsupported. */
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/* FIXME: allow toggle. */
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{"pager", "set pager=%d\n", 1, {TYPE_BOOL}, 0, "[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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/* partnew unsupported. */
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{"parttype", "parttool '%s' type=%s\n", 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 unsupported. */ /* NUL_TERMINATE */
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/* pause unsupported. */
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/* rarp unsupported. */
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{"read", "read_dword %s\n", 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", 0, {}, 0, 0, "Reboot your system."},
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/* FIXME: Support HDBIAS. */
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{"root", "set root='%s'\n", 1, {TYPE_PARTITION}, 0, "[DEVICE [HDBIAS]]",
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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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{"rootnoverify", "set root='%s'\n", 1, {TYPE_PARTITION}, 0,
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"[DEVICE [HDBIAS]]",
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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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/* FIXME: support arguments. */
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{"savedefault", "saved_entry=${chosen}; save_env saved_entry\n", 0, {}, 0,
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"[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", 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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/* setkey unsupported. */ /* NUL_TERMINATE */
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/* setup unsupported. */
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/* terminal unsupported. */ /* NUL_TERMINATE */
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/* terminfo unsupported. */ /* NUL_TERMINATE */
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/* testload unsupported. */
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/* testvbe unsupported. */
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/* tftpserver unsupported. */
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{"timeout", "set timeout=%s\n", 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 is handled separately. */
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{"unhide", "parttool '%s' hidden-\n", 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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/* uppermem unsupported. */
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{"uuid", "search -u '%s'\n", 1, {TYPE_VERBATIM}, 0, "UUID",
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"Find root by UUID"},
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/* vbeprobe unsupported. */
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};
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static char *
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escape (const char *in)
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{
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const char *ptr;
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char *ret, *outptr;
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int overhead = 0;
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for (ptr = in; *ptr; ptr++)
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if (*ptr == '\'' || *ptr == '\\')
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overhead++;
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ret = grub_malloc (ptr - in + overhead);
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if (!ret)
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return NULL;
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outptr = ret;
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for (ptr = in; *ptr; ptr++)
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{
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if (*ptr == '\'' || *ptr == '\\')
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*outptr++ = '\\';
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*outptr++ = *ptr;
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}
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*outptr++ = 0;
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return ret;
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}
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static char *
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adjust_file (const char *in)
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{
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const char *comma, *ptr, *rest;
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char *ret, *outptr;
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int overhead = 0;
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int part;
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if (in[0] != '(')
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return escape (in);
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for (ptr = in + 1; *ptr && *ptr != ')' && *ptr != ','; ptr++)
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if (*ptr == '\'' || *ptr == '\\')
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overhead++;
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comma = ptr;
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if (*comma != ',')
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return escape (in);
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part = grub_strtoull (comma + 1, (char **) &rest, 0);
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for (ptr = rest; *ptr; ptr++)
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if (*ptr == '\'' || *ptr == '\\')
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overhead++;
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/* 30 is enough for any number. */
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ret = grub_malloc (ptr - in + overhead + 30);
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if (!ret)
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return NULL;
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outptr = ret;
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for (ptr = in; ptr <= comma; ptr++)
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{
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if (*ptr == '\'' || *ptr == '\\')
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*outptr++ = '\\';
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*outptr++ = *ptr;
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}
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grub_snprintf (outptr, 30, "%d", part + 1);
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while (*outptr)
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outptr++;
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for (ptr = rest; ptr <= comma; ptr++)
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{
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if (*ptr == '\'' || *ptr == '\\')
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*outptr++ = '\\';
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*outptr++ = *ptr;
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}
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return ret;
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}
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static int
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is_option (enum arg_type opt, const char *curarg)
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{
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switch (opt)
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{
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case TYPE_NOAPM_OPTION:
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return grub_strcmp (curarg, "--no-apm") == 0;
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case TYPE_FORCE_OPTION:
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return grub_strcmp (curarg, "--force") == 0;
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case TYPE_TYPE_OR_NOMEM_OPTION:
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return grub_strcmp (curarg, "--type=netbsd") == 0
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|| grub_strcmp (curarg, "--type=freebsd") == 0
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|| grub_strcmp (curarg, "--type=openbsd") == 0
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|| grub_strcmp (curarg, "--type=linux") == 0
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|| grub_strcmp (curarg, "--type=biglinux") == 0
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|| grub_strcmp (curarg, "--type=multiboot") == 0
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|| grub_strcmp (curarg, "--no-mem-option") == 0;
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default:
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return 0;
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}
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}
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static char *
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legacy_parse (char *buf, char **entryname)
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{
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char *ptr;
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char *cmdname;
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unsigned i, cmdnum;
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for (ptr = buf; *ptr && grub_isspace (*ptr); ptr++);
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if ((!*ptr || *ptr == '#') && entryname && *entryname)
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{
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|
||||||
char *ret = grub_xasprintf ("%s\n", buf);
|
|
||||||
grub_free (buf);
|
|
||||||
return ret;
|
|
||||||
}
|
|
||||||
if (!*ptr || *ptr == '#')
|
|
||||||
{
|
|
||||||
grub_free (buf);
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
cmdname = ptr;
|
|
||||||
for (ptr = buf; *ptr && !grub_isspace (*ptr) && *ptr != '='; ptr++);
|
|
||||||
|
|
||||||
if (entryname && grub_strncmp ("title", cmdname, ptr - cmdname) == 0
|
|
||||||
&& ptr - cmdname == sizeof ("title") - 1)
|
|
||||||
{
|
|
||||||
for (; grub_isspace (*ptr) || *ptr == '='; ptr++);
|
|
||||||
*entryname = grub_strdup (ptr);
|
|
||||||
grub_free (buf);
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (grub_strncmp ("lock", cmdname, ptr - cmdname) == 0
|
|
||||||
&& ptr - cmdname == sizeof ("lock") - 1)
|
|
||||||
{
|
|
||||||
/* FIXME */
|
|
||||||
}
|
|
||||||
|
|
||||||
for (cmdnum = 0; cmdnum < ARRAY_SIZE (legacy_commands); cmdnum++)
|
|
||||||
if (grub_strncmp (legacy_commands[cmdnum].name, cmdname, ptr - cmdname) == 0
|
|
||||||
&& legacy_commands[cmdnum].name[ptr - cmdname] == 0)
|
|
||||||
break;
|
|
||||||
if (cmdnum == ARRAY_SIZE (legacy_commands))
|
|
||||||
return grub_xasprintf ("# Unsupported legacy command: %s\n", buf);
|
|
||||||
|
|
||||||
for (; grub_isspace (*ptr) || *ptr == '='; ptr++);
|
|
||||||
|
|
||||||
char *args[ARRAY_SIZE (legacy_commands[0].argt)];
|
|
||||||
memset (args, 0, sizeof (args));
|
|
||||||
|
|
||||||
{
|
|
||||||
unsigned j = 0;
|
|
||||||
for (i = 0; i < legacy_commands[cmdnum].argc; i++)
|
|
||||||
{
|
|
||||||
char *curarg, *cptr = NULL, c = 0;
|
|
||||||
for (; grub_isspace (*ptr); ptr++);
|
|
||||||
curarg = ptr;
|
|
||||||
for (; !grub_isspace (*ptr); ptr++);
|
|
||||||
if (i != legacy_commands[cmdnum].argc - 1
|
|
||||||
|| (legacy_commands[cmdnum].flags & FLAG_IGNORE_REST))
|
|
||||||
{
|
|
||||||
cptr = ptr;
|
|
||||||
c = *cptr;
|
|
||||||
*ptr = 0;
|
|
||||||
}
|
|
||||||
if (*ptr)
|
|
||||||
ptr++;
|
|
||||||
switch (legacy_commands[cmdnum].argt[i])
|
|
||||||
{
|
|
||||||
case TYPE_PARTITION:
|
|
||||||
case TYPE_FILE:
|
|
||||||
args[j++] = adjust_file (curarg);
|
|
||||||
break;
|
|
||||||
|
|
||||||
case TYPE_REST_VERBATIM:
|
|
||||||
{
|
|
||||||
char *outptr, *outptr0;
|
|
||||||
int overhead = 3;
|
|
||||||
ptr = curarg;
|
|
||||||
while (*ptr)
|
|
||||||
{
|
|
||||||
for (; grub_isspace (*ptr); ptr++);
|
|
||||||
for (; *ptr && !grub_isspace (*ptr); ptr++)
|
|
||||||
if (*ptr == '\\' || *ptr == '\'')
|
|
||||||
overhead++;
|
|
||||||
if (*ptr)
|
|
||||||
ptr++;
|
|
||||||
overhead += 3;
|
|
||||||
}
|
|
||||||
outptr0 = args[j++] = grub_malloc (overhead + (ptr - curarg));
|
|
||||||
if (!outptr0)
|
|
||||||
{
|
|
||||||
grub_free (buf);
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
ptr = curarg;
|
|
||||||
outptr = outptr0;
|
|
||||||
while (*ptr)
|
|
||||||
{
|
|
||||||
for (; grub_isspace (*ptr); ptr++);
|
|
||||||
if (outptr != outptr0)
|
|
||||||
*outptr++ = ' ';
|
|
||||||
*outptr++ = '\'';
|
|
||||||
for (; *ptr && !grub_isspace (*ptr); ptr++)
|
|
||||||
{
|
|
||||||
if (*ptr == '\\' || *ptr == '\'')
|
|
||||||
*outptr++ = '\\';
|
|
||||||
*outptr++ = *ptr;
|
|
||||||
}
|
|
||||||
*outptr++ = '\'';
|
|
||||||
if (*ptr)
|
|
||||||
ptr++;
|
|
||||||
overhead += 3;
|
|
||||||
}
|
|
||||||
*outptr++ = 0;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
|
|
||||||
case TYPE_VERBATIM:
|
|
||||||
args[j++] = escape (curarg);
|
|
||||||
break;
|
|
||||||
case TYPE_FORCE_OPTION:
|
|
||||||
case TYPE_NOAPM_OPTION:
|
|
||||||
case TYPE_TYPE_OR_NOMEM_OPTION:
|
|
||||||
if (is_option (legacy_commands[cmdnum].argt[i], curarg))
|
|
||||||
{
|
|
||||||
args[j++] = grub_strdup (curarg);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
if (cptr)
|
|
||||||
*cptr = c;
|
|
||||||
ptr = curarg;
|
|
||||||
args[j++] = "";
|
|
||||||
break;
|
|
||||||
case TYPE_INT:
|
|
||||||
{
|
|
||||||
char *brk;
|
|
||||||
int base = 10;
|
|
||||||
brk = curarg;
|
|
||||||
if (brk[0] == '0' && brk[1] == 'x')
|
|
||||||
base = 16;
|
|
||||||
else if (brk[0] == '0')
|
|
||||||
base = 8;
|
|
||||||
for (; *brk; brk++)
|
|
||||||
{
|
|
||||||
if (base == 8 && (*brk == '8' || *brk == '9'))
|
|
||||||
break;
|
|
||||||
if (grub_isdigit (*brk))
|
|
||||||
continue;
|
|
||||||
if (base != 16)
|
|
||||||
break;
|
|
||||||
if (!(*brk >= 'a' && *brk <= 'f')
|
|
||||||
&& !(*brk >= 'A' && *brk <= 'F'))
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
if (brk == curarg)
|
|
||||||
args[j++] = grub_strdup ("0");
|
|
||||||
else
|
|
||||||
args[j++] = grub_strndup (curarg, brk - curarg);
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
case TYPE_BOOL:
|
|
||||||
if (curarg[0] == 'o' && curarg[1] == 'n'
|
|
||||||
&& (curarg[2] == 0 || grub_isspace (curarg[2])))
|
|
||||||
args[j++] = grub_strdup ("1");
|
|
||||||
else
|
|
||||||
args[j++] = grub_strdup ("0");
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
grub_free (buf);
|
|
||||||
return grub_xasprintf (legacy_commands[cmdnum].map, args[0], args[1], args[2]);
|
|
||||||
}
|
|
||||||
|
|
||||||
static grub_err_t
|
static grub_err_t
|
||||||
legacy_file (const char *filename)
|
legacy_file (const char *filename)
|
||||||
|
|
@ -534,7 +69,8 @@ legacy_file (const char *filename)
|
||||||
char *oldname = NULL;
|
char *oldname = NULL;
|
||||||
|
|
||||||
oldname = entryname;
|
oldname = entryname;
|
||||||
parsed = legacy_parse (buf, &entryname);
|
parsed = grub_legacy_parse (buf, &entryname);
|
||||||
|
grub_free (buf);
|
||||||
if (oldname != entryname && oldname)
|
if (oldname != entryname && oldname)
|
||||||
{
|
{
|
||||||
const char **args = grub_malloc (sizeof (args[0]));
|
const char **args = grub_malloc (sizeof (args[0]));
|
||||||
|
|
|
||||||
496
grub-core/lib/legacy_parse.c
Normal file
496
grub-core/lib/legacy_parse.c
Normal file
|
|
@ -0,0 +1,496 @@
|
||||||
|
/*
|
||||||
|
* GRUB -- GRand Unified Bootloader
|
||||||
|
* Copyright (C) 1999,2000,2001,2002,2003,2004,2010 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/legacy_parse.h>
|
||||||
|
|
||||||
|
struct legacy_command
|
||||||
|
{
|
||||||
|
const char *name;
|
||||||
|
const char *map;
|
||||||
|
unsigned argc;
|
||||||
|
enum arg_type {
|
||||||
|
TYPE_VERBATIM,
|
||||||
|
TYPE_FORCE_OPTION,
|
||||||
|
TYPE_NOAPM_OPTION,
|
||||||
|
TYPE_TYPE_OR_NOMEM_OPTION,
|
||||||
|
TYPE_FILE,
|
||||||
|
TYPE_PARTITION,
|
||||||
|
TYPE_BOOL,
|
||||||
|
TYPE_INT,
|
||||||
|
TYPE_REST_VERBATIM
|
||||||
|
} argt[4];
|
||||||
|
enum {
|
||||||
|
FLAG_IGNORE_REST = 1
|
||||||
|
} flags;
|
||||||
|
const char *shortdesc;
|
||||||
|
const char *longdesc;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct legacy_command legacy_commands[] =
|
||||||
|
{
|
||||||
|
{"blocklist", "blocklist '%s'\n", 1, {TYPE_FILE}, 0, "FILE",
|
||||||
|
"Print the blocklist notation of the file FILE."},
|
||||||
|
{"boot", "boot\n", 0, {}, 0, 0,
|
||||||
|
"Boot the OS/chain-loader which has been loaded."},
|
||||||
|
/* bootp unsupported. */
|
||||||
|
{"cat", "cat '%s'\n", 1, {TYPE_FILE}, 0, "FILE",
|
||||||
|
"Print the contents of the file FILE."},
|
||||||
|
{"chainloader", "chainloader %s '%s'\n", 2, {TYPE_FORCE_OPTION, TYPE_FILE},
|
||||||
|
0, "[--force] FILE",
|
||||||
|
"Load the chain-loader FILE. If --force is specified, then load it"
|
||||||
|
" forcibly, whether the boot loader signature is present or not."},
|
||||||
|
{"cmp", "cmp '%s' '%s'\n", 2, {TYPE_FILE, TYPE_FILE}, FLAG_IGNORE_REST,
|
||||||
|
"FILE1 FILE2",
|
||||||
|
"Compare the file FILE1 with the FILE2 and inform the different values"
|
||||||
|
" if any."},
|
||||||
|
/* FIXME: Implement command. */
|
||||||
|
{"color", "legacy_color '%s' '%s'\n", 2, {TYPE_VERBATIM, TYPE_VERBATIM},
|
||||||
|
FLAG_IGNORE_REST, "NORMAL [HIGHLIGHT]",
|
||||||
|
"Change the menu colors. The color NORMAL is used for most"
|
||||||
|
" lines in the menu, and the color HIGHLIGHT is used to highlight the"
|
||||||
|
" line where the cursor points. If you omit HIGHLIGHT, then the"
|
||||||
|
" inverted color of NORMAL is used for the highlighted line."
|
||||||
|
" The format of a color is \"FG/BG\". FG and BG are symbolic color names."
|
||||||
|
" A symbolic color name must be one of these: black, blue, green,"
|
||||||
|
" cyan, red, magenta, brown, light-gray, dark-gray, light-blue,"
|
||||||
|
" light-green, light-cyan, light-red, light-magenta, yellow and white."
|
||||||
|
" But only the first eight names can be used for BG. You can prefix"
|
||||||
|
" \"blink-\" to FG if you want a blinking foreground color."},
|
||||||
|
{"configfile", "legacy_configfile '%s'\n", 1, {TYPE_FILE}, 0, "FILE",
|
||||||
|
"Load FILE as the configuration file."},
|
||||||
|
{"debug",
|
||||||
|
"if [ -z \"$debug\" ]; then set debug=all; else set debug=; fi\n",
|
||||||
|
0, {}, 0, 0, "Turn on/off the debug mode."},
|
||||||
|
{"default",
|
||||||
|
"set default='%s'; if [ x\"$default\" = xsaved ]; then load_env; "
|
||||||
|
"set default=\"$saved_entry\"; fi\n", 1, {TYPE_VERBATIM}, 0,
|
||||||
|
"[NUM | `saved']",
|
||||||
|
"Set the default entry to entry number NUM (if not specified, it is"
|
||||||
|
" 0, the first entry) or the entry number saved by savedefault."},
|
||||||
|
/* dhcp unsupported. */
|
||||||
|
/* displayapm unsupported. */
|
||||||
|
{"displaymem", "lsmmap\n", 0, {}, 0, 0,
|
||||||
|
"Display what GRUB thinks the system address space map of the"
|
||||||
|
" machine is, including all regions of physical RAM installed."},
|
||||||
|
/* embed unsupported. */
|
||||||
|
{"fallback", "set fallback='%s'\n", 1, {TYPE_VERBATIM}, 0, "NUM...",
|
||||||
|
"Go into unattended boot mode: if the default boot entry has any"
|
||||||
|
" errors, instead of waiting for the user to do anything, it"
|
||||||
|
" immediately starts over using the NUM entry (same numbering as the"
|
||||||
|
" `default' command). This obviously won't help if the machine"
|
||||||
|
" was rebooted by a kernel that GRUB loaded."},
|
||||||
|
{"find", "search -sf '%s'\n", 1, {TYPE_FILE}, 0, "FILENAME",
|
||||||
|
"Search for the filename FILENAME in all of partitions and print the list of"
|
||||||
|
" the devices which contain the file."},
|
||||||
|
/* fstest unsupported. */
|
||||||
|
/* geometry unsupported. */
|
||||||
|
{"halt", "halt %s\n", 1, {TYPE_NOAPM_OPTION}, 0, "[--no-apm]",
|
||||||
|
"Halt your system. If APM is available on it, turn off the power using"
|
||||||
|
" the APM BIOS, unless you specify the option `--no-apm'."},
|
||||||
|
/* help unsupported. */ /* NUL_TERMINATE */
|
||||||
|
/* hiddenmenu unsupported. */
|
||||||
|
{"hide", "parttool '%s' hidden+\n", 1, {TYPE_PARTITION}, 0, "PARTITION",
|
||||||
|
"Hide PARTITION by setting the \"hidden\" bit in"
|
||||||
|
" its partition type code."},
|
||||||
|
/* ifconfig unsupported. */
|
||||||
|
/* impsprobe unsupported. */
|
||||||
|
/* FIXME: Implement command. */
|
||||||
|
{"initrd", "legacy_initrd '%s' %s\n", 2, {TYPE_FILE, TYPE_REST_VERBATIM}, 0,
|
||||||
|
"FILE [ARG ...]",
|
||||||
|
"Load an initial ramdisk FILE for a Linux format boot image and set the"
|
||||||
|
" appropriate parameters in the Linux setup area in memory."},
|
||||||
|
/* install unsupported. */
|
||||||
|
/* ioprobe unsupported. */
|
||||||
|
/* FIXME: implement command. */
|
||||||
|
{"kernel", "legacy_kernel %s '%s' %s\n", 4, {TYPE_TYPE_OR_NOMEM_OPTION,
|
||||||
|
TYPE_TYPE_OR_NOMEM_OPTION,
|
||||||
|
TYPE_FILE,
|
||||||
|
TYPE_REST_VERBATIM}, 0,
|
||||||
|
"[--no-mem-option] [--type=TYPE] FILE [ARG ...]",
|
||||||
|
"Attempt to load the primary boot image from FILE. The rest of the"
|
||||||
|
" line is passed verbatim as the \"kernel command line\". Any modules"
|
||||||
|
" must be reloaded after using this command. The option --type is used"
|
||||||
|
" to suggest what type of kernel to be loaded. TYPE must be either of"
|
||||||
|
" \"netbsd\", \"freebsd\", \"openbsd\", \"linux\", \"biglinux\" and"
|
||||||
|
" \"multiboot\". The option --no-mem-option tells GRUB not to pass a"
|
||||||
|
" Linux's mem option automatically."},
|
||||||
|
/* lock is handled separately. */
|
||||||
|
{"makeactive", "parttool \"$root\" boot+\n", 0, {}, 0, 0,
|
||||||
|
"Set the active partition on the root disk to GRUB's root device."
|
||||||
|
" This command is limited to _primary_ PC partitions on a hard disk."},
|
||||||
|
{"map", "drivemap '%s' '%s'\n", 2, {TYPE_PARTITION, TYPE_PARTITION},
|
||||||
|
FLAG_IGNORE_REST, "TO_DRIVE FROM_DRIVE",
|
||||||
|
"Map the drive FROM_DRIVE to the drive TO_DRIVE. This is necessary"
|
||||||
|
" when you chain-load some operating systems, such as DOS, if such an"
|
||||||
|
" OS resides at a non-first drive."},
|
||||||
|
/* md5crypt unsupported. */
|
||||||
|
{"module", "legacy_initrd '%s' %s\n", 1, {TYPE_FILE, TYPE_REST_VERBATIM}, 0,
|
||||||
|
"FILE [ARG ...]",
|
||||||
|
"Load a boot module FILE for a Multiboot format boot image (no"
|
||||||
|
" interpretation of the file contents is made, so users of this"
|
||||||
|
" command must know what the kernel in question expects). The"
|
||||||
|
" rest of the line is passed as the \"module command line\", like"
|
||||||
|
" the `kernel' command."},
|
||||||
|
/* modulenounzip unsupported. */
|
||||||
|
/* FIXME: allow toggle. */
|
||||||
|
{"pager", "set pager=%d\n", 1, {TYPE_BOOL}, 0, "[FLAG]",
|
||||||
|
"Toggle pager mode with no argument. If FLAG is given and its value"
|
||||||
|
" is `on', turn on the mode. If FLAG is `off', turn off the mode."},
|
||||||
|
/* partnew unsupported. */
|
||||||
|
{"parttype", "parttool '%s' type=%s\n", 2, {TYPE_PARTITION, TYPE_INT}, 0,
|
||||||
|
"PART TYPE", "Change the type of the partition PART to TYPE."},
|
||||||
|
/* password unsupported. */ /* NUL_TERMINATE */
|
||||||
|
/* pause unsupported. */
|
||||||
|
/* rarp unsupported. */
|
||||||
|
{"read", "read_dword %s\n", 1, {TYPE_INT}, 0, "ADDR",
|
||||||
|
"Read a 32-bit value from memory at address ADDR and"
|
||||||
|
" display it in hex format."},
|
||||||
|
{"reboot", "reboot\n", 0, {}, 0, 0, "Reboot your system."},
|
||||||
|
/* FIXME: Support HDBIAS. */
|
||||||
|
/* FIXME: Support printing. */
|
||||||
|
{"root", "set root='%s'\n", 1, {TYPE_PARTITION}, 0, "[DEVICE [HDBIAS]]",
|
||||||
|
"Set the current \"root device\" to the device DEVICE, then"
|
||||||
|
" attempt to mount it to get the partition size (for passing the"
|
||||||
|
" partition descriptor in `ES:ESI', used by some chain-loaded"
|
||||||
|
" bootloaders), the BSD drive-type (for booting BSD kernels using"
|
||||||
|
" their native boot format), and correctly determine "
|
||||||
|
" the PC partition where a BSD sub-partition is located. The"
|
||||||
|
" optional HDBIAS parameter is a number to tell a BSD kernel"
|
||||||
|
" how many BIOS drive numbers are on controllers before the current"
|
||||||
|
" one. For example, if there is an IDE disk and a SCSI disk, and your"
|
||||||
|
" FreeBSD root partition is on the SCSI disk, then use a `1' for HDBIAS."},
|
||||||
|
{"rootnoverify", "set root='%s'\n", 1, {TYPE_PARTITION}, 0,
|
||||||
|
"[DEVICE [HDBIAS]]",
|
||||||
|
"Similar to `root', but don't attempt to mount the partition. This"
|
||||||
|
" is useful for when an OS is outside of the area of the disk that"
|
||||||
|
" GRUB can read, but setting the correct root device is still"
|
||||||
|
" desired. Note that the items mentioned in `root' which"
|
||||||
|
" derived from attempting the mount will NOT work correctly."},
|
||||||
|
/* FIXME: support arguments. */
|
||||||
|
{"savedefault", "saved_entry=${chosen}; save_env saved_entry\n", 0, {}, 0,
|
||||||
|
"[NUM | `fallback']",
|
||||||
|
"Save the current entry as the default boot entry if no argument is"
|
||||||
|
" specified. If a number is specified, this number is saved. If"
|
||||||
|
" `fallback' is used, next fallback entry is saved."},
|
||||||
|
{"serial", "serial %s\n", 1, {TYPE_REST_VERBATIM}, 0,
|
||||||
|
"[--unit=UNIT] [--port=PORT] [--speed=SPEED] [--word=WORD] "
|
||||||
|
"[--parity=PARITY] [--stop=STOP] [--device=DEV]",
|
||||||
|
"Initialize a serial device. UNIT is a digit that specifies which serial"
|
||||||
|
" device is used (e.g. 0 == COM1). If you need to specify the port number,"
|
||||||
|
" set it by --port. SPEED is the DTE-DTE speed. WORD is the word length,"
|
||||||
|
" PARITY is the type of parity, which is one of `no', `odd' and `even'."
|
||||||
|
" STOP is the length of stop bit(s). The option --device can be used only"
|
||||||
|
" in the grub shell, which specifies the file name of a tty device. The"
|
||||||
|
" default values are COM1, 9600, 8N1."},
|
||||||
|
/* setkey unsupported. */ /* NUL_TERMINATE */
|
||||||
|
/* setup unsupported. */
|
||||||
|
/* terminal unsupported. */ /* NUL_TERMINATE */
|
||||||
|
/* terminfo unsupported. */ /* NUL_TERMINATE */
|
||||||
|
/* testload unsupported. */
|
||||||
|
/* testvbe unsupported. */
|
||||||
|
/* tftpserver unsupported. */
|
||||||
|
{"timeout", "set timeout=%s\n", 1, {TYPE_INT}, 0, "SEC",
|
||||||
|
"Set a timeout, in SEC seconds, before automatically booting the"
|
||||||
|
" default entry (normally the first entry defined)."},
|
||||||
|
/* title is handled separately. */
|
||||||
|
{"unhide", "parttool '%s' hidden-\n", 1, {TYPE_PARTITION}, 0, "PARTITION",
|
||||||
|
"Unhide PARTITION by clearing the \"hidden\" bit in its"
|
||||||
|
" partition type code."},
|
||||||
|
/* uppermem unsupported. */
|
||||||
|
{"uuid", "search -u '%s'\n", 1, {TYPE_VERBATIM}, 0, "UUID",
|
||||||
|
"Find root by UUID"},
|
||||||
|
/* vbeprobe unsupported. */
|
||||||
|
};
|
||||||
|
|
||||||
|
char *
|
||||||
|
grub_legacy_escape (const char *in, grub_size_t len)
|
||||||
|
{
|
||||||
|
const char *ptr;
|
||||||
|
char *ret, *outptr;
|
||||||
|
int overhead = 0;
|
||||||
|
for (ptr = in; ptr < in + len && *ptr; ptr++)
|
||||||
|
if (*ptr == '\'' || *ptr == '\\')
|
||||||
|
overhead++;
|
||||||
|
ret = grub_malloc (ptr - in + overhead);
|
||||||
|
if (!ret)
|
||||||
|
return NULL;
|
||||||
|
outptr = ret;
|
||||||
|
for (ptr = in; ptr < in + len && *ptr; ptr++)
|
||||||
|
{
|
||||||
|
if (*ptr == '\'' || *ptr == '\\')
|
||||||
|
*outptr++ = '\\';
|
||||||
|
|
||||||
|
*outptr++ = *ptr;
|
||||||
|
}
|
||||||
|
*outptr++ = 0;
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
static char *
|
||||||
|
adjust_file (const char *in, grub_size_t len)
|
||||||
|
{
|
||||||
|
const char *comma, *ptr, *rest;
|
||||||
|
char *ret, *outptr;
|
||||||
|
int overhead = 0;
|
||||||
|
int part;
|
||||||
|
if (in[0] != '(')
|
||||||
|
return grub_legacy_escape (in, len);
|
||||||
|
for (ptr = in + 1; ptr < in + len && *ptr && *ptr != ')'
|
||||||
|
&& *ptr != ','; ptr++)
|
||||||
|
if (*ptr == '\'' || *ptr == '\\')
|
||||||
|
overhead++;
|
||||||
|
comma = ptr;
|
||||||
|
if (*comma != ',')
|
||||||
|
return grub_legacy_escape (in, len);
|
||||||
|
part = grub_strtoull (comma + 1, (char **) &rest, 0);
|
||||||
|
for (ptr = rest; ptr < in + len && *ptr; ptr++)
|
||||||
|
if (*ptr == '\'' || *ptr == '\\')
|
||||||
|
overhead++;
|
||||||
|
|
||||||
|
/* 30 is enough for any number. */
|
||||||
|
ret = grub_malloc (ptr - in + overhead + 30);
|
||||||
|
if (!ret)
|
||||||
|
return NULL;
|
||||||
|
|
||||||
|
outptr = ret;
|
||||||
|
for (ptr = in; ptr < in + len && ptr <= comma; ptr++)
|
||||||
|
{
|
||||||
|
if (*ptr == '\'' || *ptr == '\\')
|
||||||
|
*outptr++ = '\\';
|
||||||
|
|
||||||
|
*outptr++ = *ptr;
|
||||||
|
}
|
||||||
|
grub_snprintf (outptr, 30, "%d", part + 1);
|
||||||
|
while (*outptr)
|
||||||
|
outptr++;
|
||||||
|
for (ptr = rest; ptr < in + len; ptr++)
|
||||||
|
{
|
||||||
|
if (*ptr == '\'' || *ptr == '\\')
|
||||||
|
*outptr++ = '\\';
|
||||||
|
|
||||||
|
*outptr++ = *ptr;
|
||||||
|
}
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int
|
||||||
|
check_option (const char *a, char *b, grub_size_t len)
|
||||||
|
{
|
||||||
|
if (grub_strlen (b) != len)
|
||||||
|
return 0;
|
||||||
|
return grub_strncmp (a, b, len) == 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int
|
||||||
|
is_option (enum arg_type opt, const char *curarg, grub_size_t len)
|
||||||
|
{
|
||||||
|
switch (opt)
|
||||||
|
{
|
||||||
|
case TYPE_NOAPM_OPTION:
|
||||||
|
return check_option (curarg, "--no-apm", len);
|
||||||
|
case TYPE_FORCE_OPTION:
|
||||||
|
return check_option (curarg, "--force", len);
|
||||||
|
case TYPE_TYPE_OR_NOMEM_OPTION:
|
||||||
|
return check_option (curarg, "--type=netbsd", len)
|
||||||
|
|| check_option (curarg, "--type=freebsd", len)
|
||||||
|
|| check_option (curarg, "--type=openbsd", len)
|
||||||
|
|| check_option (curarg, "--type=linux", len)
|
||||||
|
|| check_option (curarg, "--type=biglinux", len)
|
||||||
|
|| check_option (curarg, "--type=multiboot", len)
|
||||||
|
|| check_option (curarg, "--no-mem-option", len);
|
||||||
|
default:
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
char *
|
||||||
|
grub_legacy_parse (const char *buf, char **entryname)
|
||||||
|
{
|
||||||
|
const char *ptr;
|
||||||
|
const char *cmdname;
|
||||||
|
unsigned i, cmdnum;
|
||||||
|
|
||||||
|
for (ptr = buf; *ptr && grub_isspace (*ptr); ptr++);
|
||||||
|
if (!*ptr || *ptr == '#')
|
||||||
|
return grub_strdup (buf);
|
||||||
|
|
||||||
|
cmdname = ptr;
|
||||||
|
for (ptr = buf; *ptr && !grub_isspace (*ptr) && *ptr != '='; ptr++);
|
||||||
|
|
||||||
|
if (entryname && grub_strncmp ("title", cmdname, ptr - cmdname) == 0
|
||||||
|
&& ptr - cmdname == sizeof ("title") - 1)
|
||||||
|
{
|
||||||
|
const char *ptr2;
|
||||||
|
for (; grub_isspace (*ptr) || *ptr == '='; ptr++);
|
||||||
|
ptr2 = ptr + grub_strlen (ptr);
|
||||||
|
while (ptr2 > ptr && grub_isspace (*(ptr2 - 1)))
|
||||||
|
ptr2--;
|
||||||
|
*entryname = grub_strndup (ptr, ptr2 - ptr);
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (grub_strncmp ("lock", cmdname, ptr - cmdname) == 0
|
||||||
|
&& ptr - cmdname == sizeof ("lock") - 1)
|
||||||
|
{
|
||||||
|
/* FIXME */
|
||||||
|
}
|
||||||
|
|
||||||
|
for (cmdnum = 0; cmdnum < ARRAY_SIZE (legacy_commands); cmdnum++)
|
||||||
|
if (grub_strncmp (legacy_commands[cmdnum].name, cmdname, ptr - cmdname) == 0
|
||||||
|
&& legacy_commands[cmdnum].name[ptr - cmdname] == 0)
|
||||||
|
break;
|
||||||
|
if (cmdnum == ARRAY_SIZE (legacy_commands))
|
||||||
|
return grub_xasprintf ("# Unsupported legacy command: %s\n", buf);
|
||||||
|
|
||||||
|
for (; grub_isspace (*ptr) || *ptr == '='; ptr++);
|
||||||
|
|
||||||
|
char *args[ARRAY_SIZE (legacy_commands[0].argt)];
|
||||||
|
grub_memset (args, 0, sizeof (args));
|
||||||
|
|
||||||
|
{
|
||||||
|
unsigned j = 0;
|
||||||
|
int hold_arg = 0;
|
||||||
|
for (i = 0; i < legacy_commands[cmdnum].argc; i++)
|
||||||
|
{
|
||||||
|
const char *curarg;
|
||||||
|
grub_size_t curarglen;
|
||||||
|
if (hold_arg)
|
||||||
|
{
|
||||||
|
ptr = curarg;
|
||||||
|
hold_arg = 0;
|
||||||
|
}
|
||||||
|
for (; grub_isspace (*ptr); ptr++);
|
||||||
|
curarg = ptr;
|
||||||
|
for (; !grub_isspace (*ptr); ptr++);
|
||||||
|
if (i != legacy_commands[cmdnum].argc - 1
|
||||||
|
|| (legacy_commands[cmdnum].flags & FLAG_IGNORE_REST))
|
||||||
|
curarglen = ptr - curarg;
|
||||||
|
else
|
||||||
|
{
|
||||||
|
curarglen = grub_strlen (curarg);
|
||||||
|
while (curarglen > 0 && grub_isspace (curarg[curarglen - 1]))
|
||||||
|
curarglen--;
|
||||||
|
}
|
||||||
|
if (*ptr)
|
||||||
|
ptr++;
|
||||||
|
switch (legacy_commands[cmdnum].argt[i])
|
||||||
|
{
|
||||||
|
case TYPE_PARTITION:
|
||||||
|
case TYPE_FILE:
|
||||||
|
args[j++] = adjust_file (curarg, curarglen);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case TYPE_REST_VERBATIM:
|
||||||
|
{
|
||||||
|
char *outptr, *outptr0;
|
||||||
|
int overhead = 3;
|
||||||
|
ptr = curarg;
|
||||||
|
while (*ptr)
|
||||||
|
{
|
||||||
|
for (; grub_isspace (*ptr); ptr++);
|
||||||
|
for (; *ptr && !grub_isspace (*ptr); ptr++)
|
||||||
|
if (*ptr == '\\' || *ptr == '\'')
|
||||||
|
overhead++;
|
||||||
|
if (*ptr)
|
||||||
|
ptr++;
|
||||||
|
overhead += 3;
|
||||||
|
}
|
||||||
|
outptr0 = args[j++] = grub_malloc (overhead + (ptr - curarg));
|
||||||
|
if (!outptr0)
|
||||||
|
return NULL;
|
||||||
|
ptr = curarg;
|
||||||
|
outptr = outptr0;
|
||||||
|
while (*ptr)
|
||||||
|
{
|
||||||
|
for (; grub_isspace (*ptr); ptr++);
|
||||||
|
if (outptr != outptr0)
|
||||||
|
*outptr++ = ' ';
|
||||||
|
*outptr++ = '\'';
|
||||||
|
for (; *ptr && !grub_isspace (*ptr); ptr++)
|
||||||
|
{
|
||||||
|
if (*ptr == '\\' || *ptr == '\'')
|
||||||
|
*outptr++ = '\\';
|
||||||
|
*outptr++ = *ptr;
|
||||||
|
}
|
||||||
|
*outptr++ = '\'';
|
||||||
|
if (*ptr)
|
||||||
|
ptr++;
|
||||||
|
overhead += 3;
|
||||||
|
}
|
||||||
|
*outptr++ = 0;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
case TYPE_VERBATIM:
|
||||||
|
args[j++] = grub_legacy_escape (curarg, curarglen);
|
||||||
|
break;
|
||||||
|
case TYPE_FORCE_OPTION:
|
||||||
|
case TYPE_NOAPM_OPTION:
|
||||||
|
case TYPE_TYPE_OR_NOMEM_OPTION:
|
||||||
|
if (is_option (legacy_commands[cmdnum].argt[i], curarg, curarglen))
|
||||||
|
{
|
||||||
|
args[j++] = grub_strndup (curarg, curarglen);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
args[j++] = "";
|
||||||
|
hold_arg = 1;
|
||||||
|
break;
|
||||||
|
case TYPE_INT:
|
||||||
|
{
|
||||||
|
const char *brk;
|
||||||
|
int base = 10;
|
||||||
|
brk = curarg;
|
||||||
|
if (curarglen < 1)
|
||||||
|
args[j++] = grub_strdup ("0");
|
||||||
|
if (brk[0] == '0' && brk[1] == 'x')
|
||||||
|
base = 16;
|
||||||
|
else if (brk[0] == '0')
|
||||||
|
base = 8;
|
||||||
|
for (; *brk && brk < curarg + curarglen; brk++)
|
||||||
|
{
|
||||||
|
if (base == 8 && (*brk == '8' || *brk == '9'))
|
||||||
|
break;
|
||||||
|
if (grub_isdigit (*brk))
|
||||||
|
continue;
|
||||||
|
if (base != 16)
|
||||||
|
break;
|
||||||
|
if (!(*brk >= 'a' && *brk <= 'f')
|
||||||
|
&& !(*brk >= 'A' && *brk <= 'F'))
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
if (brk == curarg)
|
||||||
|
args[j++] = grub_strdup ("0");
|
||||||
|
else
|
||||||
|
args[j++] = grub_strndup (curarg, brk - curarg);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
case TYPE_BOOL:
|
||||||
|
if (curarglen == 2 && curarg[0] == 'o' && curarg[1] == 'n')
|
||||||
|
args[j++] = grub_strdup ("1");
|
||||||
|
else
|
||||||
|
args[j++] = grub_strdup ("0");
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return grub_xasprintf (legacy_commands[cmdnum].map, args[0], args[1], args[2]);
|
||||||
|
}
|
||||||
27
include/grub/legacy_parse.h
Normal file
27
include/grub/legacy_parse.h
Normal file
|
|
@ -0,0 +1,27 @@
|
||||||
|
/*
|
||||||
|
* 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/>.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef GRUB_LEGACY_PARSE_HEADER
|
||||||
|
#define GRUB_LEGACY_PARSE_HEADER 1
|
||||||
|
|
||||||
|
#include <grub/types.h>
|
||||||
|
|
||||||
|
char *grub_legacy_parse (const char *buf, char **entryname);
|
||||||
|
char *grub_legacy_escape (const char *in, grub_size_t len);
|
||||||
|
|
||||||
|
#endif
|
||||||
99
util/grub-menulst2cfg.c
Normal file
99
util/grub-menulst2cfg.c
Normal file
|
|
@ -0,0 +1,99 @@
|
||||||
|
/*
|
||||||
|
* 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/legacy_parse.h>
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <errno.h>
|
||||||
|
|
||||||
|
int
|
||||||
|
main (int argc, char **argv)
|
||||||
|
{
|
||||||
|
FILE *in, *out;
|
||||||
|
char *entryname = NULL;
|
||||||
|
char *buf = NULL;
|
||||||
|
size_t bufsize = 0;
|
||||||
|
|
||||||
|
if (argc >= 2 && argv[1][0] == '-')
|
||||||
|
{
|
||||||
|
fprintf (stderr, "Usage: %s [INFILE [OUTFILE]]\n", argv[0]);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (argc >= 2)
|
||||||
|
{
|
||||||
|
in = fopen (argv[1], "r");
|
||||||
|
if (!in)
|
||||||
|
{
|
||||||
|
fprintf (stderr, "Couldn't open %s for reading: %s\n",
|
||||||
|
argv[1], strerror (errno));
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else
|
||||||
|
in = stdin;
|
||||||
|
|
||||||
|
if (argc >= 3)
|
||||||
|
{
|
||||||
|
out = fopen (argv[2], "w");
|
||||||
|
if (!out)
|
||||||
|
{
|
||||||
|
if (in != stdin)
|
||||||
|
fclose (in);
|
||||||
|
fprintf (stderr, "Couldn't open %s for writing: %s\n",
|
||||||
|
argv[2], strerror (errno));
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else
|
||||||
|
out = stdout;
|
||||||
|
|
||||||
|
while (1)
|
||||||
|
{
|
||||||
|
char *parsed;
|
||||||
|
|
||||||
|
if (getline (&buf, &bufsize, in) < 0)
|
||||||
|
break;
|
||||||
|
|
||||||
|
{
|
||||||
|
char *oldname = NULL;
|
||||||
|
|
||||||
|
oldname = entryname;
|
||||||
|
parsed = grub_legacy_parse (buf, &entryname);
|
||||||
|
if (oldname != entryname && oldname)
|
||||||
|
fprintf (out, "}\n\n");
|
||||||
|
if (oldname != entryname)
|
||||||
|
fprintf (out, "menuentry \'%s\' {\n",
|
||||||
|
grub_legacy_escape (entryname, grub_strlen (entryname)));
|
||||||
|
}
|
||||||
|
|
||||||
|
if (parsed)
|
||||||
|
fprintf (out, "%s%s", entryname ? " " : "", parsed);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (entryname)
|
||||||
|
fprintf (out, "}\n\n");
|
||||||
|
|
||||||
|
|
||||||
|
if (in != stdin)
|
||||||
|
fclose (in);
|
||||||
|
if (out != stdout)
|
||||||
|
fclose (out);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
Loading…
Add table
Reference in a new issue