--- /dev/null
- #include <grub/gzio.h>
+/*
+ * 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/types.h>
+#include <grub/misc.h>
+#include <grub/command.h>
+#include <grub/mm.h>
+#include <grub/err.h>
+#include <grub/dl.h>
+#include <grub/file.h>
- file = grub_gzfile_open (filename, 1);
+#include <grub/normal.h>
+#include <grub/script_sh.h>
+#include <grub/i18n.h>
+#include <grub/term.h>
+#include <grub/legacy_parse.h>
+
+static grub_err_t
+legacy_file (const char *filename)
+{
+ grub_file_t file;
+ char *entryname = NULL, *entrysrc = NULL;
+ grub_menu_t menu;
+
- grub_normal_add_menu_entry (1, args, entrysrc);
++ file = grub_file_open (filename);
+ if (! file)
+ return grub_errno;
+
+ menu = grub_env_get_menu ();
+ if (! menu)
+ {
+ menu = grub_zalloc (sizeof (*menu));
+ if (! menu)
+ return grub_errno;
+
+ grub_env_set_menu (menu);
+ }
+
+ while (1)
+ {
+ char *buf = grub_file_getline (file);
+ char *parsed;
+
+ if (!buf && grub_errno)
+ {
+ grub_file_close (file);
+ return grub_errno;
+ }
+
+ if (!buf)
+ break;
+
+ {
+ char *oldname = NULL;
+
+ oldname = entryname;
+ parsed = grub_legacy_parse (buf, &entryname);
+ grub_free (buf);
+ if (oldname != entryname && oldname)
+ {
+ const char **args = grub_malloc (sizeof (args[0]));
+ if (!args)
+ {
+ grub_file_close (file);
+ return grub_errno;
+ }
+ args[0] = oldname;
- grub_normal_add_menu_entry (1, args, entrysrc);
++ grub_normal_add_menu_entry (1, args, NULL, NULL, NULL, NULL,
++ entrysrc);
+ }
+ }
+
+ if (parsed && !entryname)
+ {
+ auto grub_err_t getline (char **line, int cont);
+ grub_err_t getline (char **line __attribute__ ((unused)),
+ int cont __attribute__ ((unused)))
+ {
+ return GRUB_ERR_NONE;
+ }
+
+ grub_normal_parse_line (parsed, getline);
+ grub_print_error ();
+ grub_free (parsed);
+ }
+ else if (parsed)
+ {
+ if (!entrysrc)
+ entrysrc = parsed;
+ else
+ {
+ char *t;
+
+ t = entrysrc;
+ entrysrc = grub_realloc (entrysrc, grub_strlen (entrysrc)
+ + grub_strlen (parsed) + 1);
+ if (!entrysrc)
+ {
+ grub_free (t);
+ grub_free (parsed);
+ return grub_errno;
+ }
+ grub_memcpy (entrysrc + grub_strlen (entrysrc), parsed,
+ grub_strlen (parsed) + 1);
+ grub_free (parsed);
+ parsed = NULL;
+ }
+ }
+ }
+ grub_file_close (file);
+
+ if (entryname)
+ {
+ const char **args = grub_malloc (sizeof (args[0]));
+ if (!args)
+ {
+ grub_file_close (file);
+ return grub_errno;
+ }
+ args[0] = entryname;
- cutargs = grub_malloc (sizeof (cutargsp[0]) * (argc - 1));
++ grub_normal_add_menu_entry (1, args, NULL, NULL, NULL, NULL, entrysrc);
+ }
+
+ if (menu && menu->size)
+ grub_show_menu (menu, 1);
+
+ return GRUB_ERR_NONE;
+}
+
+static grub_err_t
+grub_cmd_legacy_source (struct grub_command *cmd __attribute__ ((unused)),
+ int argc, char **args)
+{
+ if (argc != 1)
+ return grub_error (GRUB_ERR_BAD_ARGUMENT, "file name required");
+ return legacy_file (args[0]);
+}
+
+static grub_err_t
+grub_cmd_legacy_configfile (struct grub_command *cmd __attribute__ ((unused)),
+ int argc, char **args)
+{
+ grub_err_t ret;
+ if (argc != 1)
+ return grub_error (GRUB_ERR_BAD_ARGUMENT, "file name required");
+
+ grub_cls ();
+ grub_env_context_open (1);
+
+ ret = legacy_file (args[0]);
+ grub_env_context_close ();
+
+ return ret;
+}
+
+static enum
+ {
+ GUESS_IT, LINUX, MULTIBOOT, KFREEBSD, KNETBSD, KOPENBSD
+ } kernel_type;
+
+static grub_err_t
+grub_cmd_legacy_kernel (struct grub_command *mycmd __attribute__ ((unused)),
+ int argc, char **args)
+{
+ int i;
+ int no_mem_option = 0;
+ struct grub_command *cmd;
+ char **cutargs;
+ int cutargc;
+ for (i = 0; i < 2; i++)
+ {
+ /* FIXME: really support this. */
+ if (argc >= 1 && grub_strcmp (args[0], "--no-mem-option") == 0)
+ {
+ no_mem_option = 1;
+ argc--;
+ args++;
+ continue;
+ }
+
+ /* linux16 handles both zImages and bzImages. */
+ if (argc >= 1 && (grub_strcmp (args[0], "--type=linux") == 0
+ || grub_strcmp (args[0], "--type=biglinux") == 0))
+ {
+ kernel_type = LINUX;
+ argc--;
+ args++;
+ continue;
+ }
+
+ if (argc >= 1 && grub_strcmp (args[0], "--type=multiboot") == 0)
+ {
+ kernel_type = MULTIBOOT;
+ argc--;
+ args++;
+ continue;
+ }
+
+ if (argc >= 1 && grub_strcmp (args[0], "--type=freebsd") == 0)
+ {
+ kernel_type = KFREEBSD;
+ argc--;
+ args++;
+ continue;
+ }
+
+ if (argc >= 1 && grub_strcmp (args[0], "--type=openbsd") == 0)
+ {
+ kernel_type = KOPENBSD;
+ argc--;
+ args++;
+ continue;
+ }
+
+ if (argc >= 1 && grub_strcmp (args[0], "--type=netbsd") == 0)
+ {
+ kernel_type = KNETBSD;
+ argc--;
+ args++;
+ continue;
+ }
+ }
+
+ if (argc < 2)
+ return grub_error (GRUB_ERR_BAD_ARGUMENT, "filename required");
+
- grub_memcpy (cutargs + 1, args + 2, sizeof (cutargsp[0]) * (argc - 2));
++ cutargs = grub_malloc (sizeof (cutargs[0]) * (argc - 1));
+ cutargc = argc - 1;
++ grub_memcpy (cutargs + 1, args + 2, sizeof (cutargs[0]) * (argc - 2));
+ cutargs[0] = args[0];
+
+ do
+ {
+ /* First try Linux. */
+ if (kernel_type == GUESS_IT || kernel_type == LINUX)
+ {
+ cmd = grub_command_find ("linux16");
+ if (cmd)
+ {
+ if (!(cmd->func) (cmd, cutargc, cutargs))
+ {
+ kernel_type = LINUX;
+ return GRUB_ERR_NONE;
+ }
+ }
+ grub_errno = GRUB_ERR_NONE;
+ }
+
+ /* Then multiboot. */
+ /* FIXME: dublicate multiboot filename. */
+ if (kernel_type == GUESS_IT || kernel_type == MULTIBOOT)
+ {
+ cmd = grub_command_find ("multiboot");
+ if (cmd)
+ {
+ if (!(cmd->func) (cmd, argc, args))
+ {
+ kernel_type = MULTIBOOT;
+ return GRUB_ERR_NONE;
+ }
+ }
+ grub_errno = GRUB_ERR_NONE;
+ }
+
+ /* k*BSD didn't really work well with grub-legacy. */
+ if (kernel_type == GUESS_IT || kernel_type == KFREEBSD)
+ {
+ cmd = grub_command_find ("kfreebsd");
+ if (cmd)
+ {
+ if (!(cmd->func) (cmd, cutargc, cutargs))
+ {
+ kernel_type = KFREEBSD;
+ return GRUB_ERR_NONE;
+ }
+ }
+ grub_errno = GRUB_ERR_NONE;
+ }
+ if (kernel_type == GUESS_IT || kernel_type == KNETBSD)
+ {
+ cmd = grub_command_find ("knetbsd");
+ if (cmd)
+ {
+ if (!(cmd->func) (cmd, cutargc, cutargs))
+ {
+ kernel_type = KNETBSD;
+ return GRUB_ERR_NONE;
+ }
+ }
+ grub_errno = GRUB_ERR_NONE;
+ }
+ if (kernel_type == GUESS_IT || kernel_type == KOPENBSD)
+ {
+ cmd = grub_command_find ("kopenbsd");
+ if (cmd)
+ {
+ if (!(cmd->func) (cmd, cutargc, cutargs))
+ {
+ kernel_type = KOPENBSD;
+ return GRUB_ERR_NONE;
+ }
+ }
+ grub_errno = GRUB_ERR_NONE;
+ }
+ }
+ while (0);
+
+ return grub_error (GRUB_ERR_BAD_OS, "couldn't load file %s\n",
+ args[0]);
+}
+
+static grub_err_t
+grub_cmd_legacy_initrd (struct grub_command *mycmd __attribute__ ((unused)),
+ int argc, char **args)
+{
+ struct grub_command *cmd;
+
+ if (kernel_type == LINUX)
+ {
+ cmd = grub_command_find ("initrd16");
+ if (!cmd)
+ return grub_error (GRUB_ERR_BAD_ARGUMENT, "command initrd16 not found");
+
+ return cmd->func (cmd, argc, args);
+ }
+ if (kernel_type == MULTIBOOT)
+ {
+ /* FIXME: dublicate module filename. */
+ cmd = grub_command_find ("module");
+ if (!cmd)
+ return grub_error (GRUB_ERR_BAD_ARGUMENT, "command module not found");
+
+ return cmd->func (cmd, argc, args);
+ }
+
+ return grub_error (GRUB_ERR_BAD_ARGUMENT,
+ "no kernel with module support is loaded in legacy way");
+}
+
+static grub_err_t
+grub_cmd_legacy_color (struct grub_command *mycmd __attribute__ ((unused)),
+ int argc, char **args)
+{
+ if (argc < 1)
+ return grub_error (GRUB_ERR_BAD_ARGUMENT, "color required");
+ grub_env_set ("color_normal", args[0]);
+ if (argc >= 2)
+ grub_env_set ("color_highlight", args[1]);
+ else
+ {
+ char *slash = grub_strchr (args[0], '/');
+ char *invert;
+ grub_size_t len;
+
+ len = grub_strlen (args[0]);
+ if (!slash)
+ return grub_error (GRUB_ERR_BAD_ARGUMENT, "bad color specification %s",
+ args[0]);
+ invert = grub_malloc (len + 1);
+ if (!invert)
+ return grub_errno;
+ grub_memcpy (invert, slash + 1, len - (slash - args[0]) - 1);
+ invert[len - (slash - args[0]) - 1] = '/';
+ grub_memcpy (invert + len - (slash - args[0]), args[0], slash - args[0]);
+ invert[len] = 0;
+ grub_env_set ("color_highlight", invert);
+ grub_free (invert);
+ }
+
+ return grub_errno;
+}
+
+static grub_command_t cmd_source, cmd_configfile, cmd_kernel, cmd_initrd;
+static grub_command_t cmd_color;
+
+GRUB_MOD_INIT(legacycfg)
+{
+ cmd_source = grub_register_command ("legacy_source",
+ grub_cmd_legacy_source,
+ N_("FILE"), N_("Parse legacy config"));
+ cmd_kernel = grub_register_command ("legacy_kernel",
+ grub_cmd_legacy_kernel,
+ N_("[--no-mem-option] [--type=TYPE] FILE [ARG ...]"),
+ N_("Simulate grub-legacy kernel command"));
+
+ cmd_initrd = grub_register_command ("legacy_initrd",
+ grub_cmd_legacy_initrd,
+ N_("FILE [ARG ...]"),
+ N_("Simulate grub-legacy initrd command"));
+ cmd_configfile = grub_register_command ("legacy_configfile",
+ grub_cmd_legacy_configfile,
+ N_("FILE"),
+ N_("Parse legacy config"));
+ cmd_color = grub_register_command ("legacy_color",
+ grub_cmd_legacy_color,
+ N_("NORMAL [HIGHLIGHT]"),
+ N_("Simulate grub-legacy color command"));
+}
+
+GRUB_MOD_FINI(legacycfg)
+{
+ grub_unregister_command (cmd_source);
+ grub_unregister_command (cmd_configfile);
+ grub_unregister_command (cmd_kernel);
+ grub_unregister_command (cmd_initrd);
+ grub_unregister_command (cmd_color);
+}
--- /dev/null
+/*
+ * 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_FILE_NO_CONSUME,
+ 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."},
+ {"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: dublicate multiboot filename. */
+ {"initrd", "legacy_initrd '%s' %s\n", 2, {TYPE_FILE_NO_CONSUME,
+ 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: really support --no-mem-option. */
+ /* FIXME: dublicate multiboot filename. */
+ {"kernel", "legacy_kernel %s %s '%s' %s\n", 4, {TYPE_TYPE_OR_NOMEM_OPTION,
+ TYPE_TYPE_OR_NOMEM_OPTION,
+ TYPE_FILE_NO_CONSUME,
+ 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 unsupported. */
+ {"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_NO_CONSUME,
+ 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", "cat '%s'\n", 1, {TYPE_FILE}, 0, "FILE",
+ "Read the entire contents of FILE in several different ways and"
+ " compares them, to test the filesystem code. "
+ " If this test succeeds, then a good next"
+ " step is to try loading a kernel."},
+ /* 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;
+ }
++ *outptr = 0;
+ 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 (; *ptr && !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_FILE_NO_CONSUME:
+ hold_arg = 1;
+ 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 (; *ptr && 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 (; *ptr && 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++;
+ }
+ *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],
+ args[3]);
+}
projects / thirdparty / grub.git / commitdiff
