2 * GRUB -- GRand Unified Bootloader
3 * Copyright (C) 1999,2000,2001,2002,2003,2004,2010 Free Software Foundation, Inc.
5 * GRUB is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * GRUB is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
19 #include <grub/types.h>
20 #include <grub/misc.h>
23 #include <grub/legacy_parse.h>
24 #include <grub/i386/pc/vesa_modes_table.h>
25 #include <grub/i18n.h>
38 TYPE_TYPE_OR_NOMEM_OPTION
,
47 TYPE_WITH_CONFIGFILE_OPTION
50 FLAG_IGNORE_REST
= 0x001,
51 FLAG_FALLBACK_AVAILABLE
= 0x004,
52 FLAG_FALLBACK
= 0x008,
53 FLAG_COLOR_INVERT
= 0x010,
54 FLAG_NO_MENUENTRY
= 0x020,
55 FLAG_MENUENTRY_ONLY
= 0x040,
56 FLAG_TERMINAL
= 0x080,
59 const char *shortdesc
;
63 /* Help texts are kept here mostly for reference. They are never shown. So
64 no need to gettextize.
66 static struct legacy_command legacy_commands
[] =
68 {"blocklist", "blocklist '%s'\n", NULL
, 0, 1, {TYPE_FILE
}, 0, "FILE",
69 "Print the blocklist notation of the file FILE."},
70 {"boot", "boot\n", NULL
, 0, 0, {}, 0, 0,
71 "Boot the OS/chain-loader which has been loaded."},
72 {"bootp", "net_bootp; net_ls_addr; if [ x%s = x--with-configfile ]; then "
73 "if net_get_dhcp_option configfile_name pxe 150 string; then "
74 "configfile $configfile_name; fi; fi\n", NULL
, 0, 1,
75 {TYPE_WITH_CONFIGFILE_OPTION
}, FLAG_IGNORE_REST
, "[--with-configfile]",
76 "Initialize a network device via BOOTP. If the option `--with-configfile'"
77 " is given, try to load a configuration file specified by the 150 vendor"
79 {"cat", "cat '%s'\n", NULL
, 0, 1, {TYPE_FILE
}, 0, "FILE",
80 "Print the contents of the file FILE."},
81 {"chainloader", "chainloader %s '%s'\n", NULL
, 0,
82 2, {TYPE_FORCE_OPTION
, TYPE_FILE
}, 0, "[--force] FILE",
83 "Load the chain-loader FILE. If --force is specified, then load it"
84 " forcibly, whether the boot loader signature is present or not."},
85 {"cmp", "cmp '%s' '%s'\n", NULL
, 0,
86 2, {TYPE_FILE
, TYPE_FILE
}, FLAG_IGNORE_REST
, "FILE1 FILE2",
87 "Compare the file FILE1 with the FILE2 and inform the different values"
89 {"color", "set color_normal='%s'; set color_highlight='%s'\n", NULL
, 0,
90 2, {TYPE_VERBATIM
, TYPE_VERBATIM
},
91 FLAG_IGNORE_REST
| FLAG_FALLBACK_AVAILABLE
, "NORMAL [HIGHLIGHT]",
92 "Change the menu colors. The color NORMAL is used for most"
93 " lines in the menu, and the color HIGHLIGHT is used to highlight the"
94 " line where the cursor points. If you omit HIGHLIGHT, then the"
95 " inverted color of NORMAL is used for the highlighted line."
96 " The format of a color is \"FG/BG\". FG and BG are symbolic color names."
97 " A symbolic color name must be one of these: black, blue, green,"
98 " cyan, red, magenta, brown, light-gray, dark-gray, light-blue,"
99 " light-green, light-cyan, light-red, light-magenta, yellow and white."
100 " But only the first eight names can be used for BG. You can prefix"
101 " \"blink-\" to FG if you want a blinking foreground color."},
102 {"color", "set color_normal='%s'; set color_highlight='%s'\n", NULL
, 0,
104 FLAG_IGNORE_REST
| FLAG_FALLBACK
| FLAG_COLOR_INVERT
, NULL
, NULL
},
105 {"configfile", "legacy_configfile '%s'\n", NULL
, 0, 1, {TYPE_FILE
},
106 0, "FILE", "Load FILE as the configuration file."},
108 "if [ -z \"$debug\" ]; then set debug=all; else set debug=; fi\n", NULL
, 0,
109 0, {}, 0, 0, "Turn on/off the debug mode."},
111 "set default='%s'; if [ x\"$default\" = xsaved ]; then load_env; "
112 "set default=\"$saved_entry\"; fi\n", NULL
, 0, 1, {TYPE_VERBATIM
}, 0,
114 "Set the default entry to entry number NUM (if not specified, it is"
115 " 0, the first entry) or the entry number saved by savedefault."},
116 {"dhcp", "net_bootp; net_ls_addr; if [ x%s = x--with-configfile ]; then "
117 "if net_get_dhcp_option configfile_name pxe 150 string; then "
118 "configfile $configfile_name; fi; fi\n", NULL
, 0, 1,
119 {TYPE_WITH_CONFIGFILE_OPTION
}, FLAG_IGNORE_REST
, "[--with-configfile]",
120 "Initialize a network device via BOOTP. If the option `--with-configfile'"
121 " is given, try to load a configuration file specified by the 150 vendor"
123 {"displayapm", "lsapm\n", NULL
, 0, 0, {}, 0, 0,
124 "Display APM BIOS information."},
125 {"displaymem", "lsmmap\n", NULL
, 0, 0, {}, 0, 0,
126 "Display what GRUB thinks the system address space map of the"
127 " machine is, including all regions of physical RAM installed."},
128 /* NOTE: embed unsupported. */
129 {"fallback", "set fallback='%s'\n", NULL
, 0,
130 1, {TYPE_VERBATIM
}, 0, "NUM...",
131 "Go into unattended boot mode: if the default boot entry has any"
132 " errors, instead of waiting for the user to do anything, it"
133 " immediately starts over using the NUM entry (same numbering as the"
134 " `default' command). This obviously won't help if the machine"
135 " was rebooted by a kernel that GRUB loaded."},
136 {"find", "search -f '%s'\n", NULL
, 0, 1, {TYPE_FILE
}, 0, "FILENAME",
137 "Search for the filename FILENAME in all of partitions and print the list of"
138 " the devices which contain the file."},
139 /* FIXME: fstest unsupported. */
140 /* NOTE: The obsolete C/H/S geometry isn't shown anymore. */
141 {"geometry", "insmod regexp; ls -l (%s*)\n", NULL
, 0, 1, {TYPE_VERBATIM
}, 0, "DRIVE",
142 "Print the information for a drive DRIVE. "},
143 {"halt", "halt %s\n", NULL
, 0, 1, {TYPE_NOAPM_OPTION
}, 0, "[--no-apm]",
144 "Halt your system. If APM is available on it, turn off the power using"
145 " the APM BIOS, unless you specify the option `--no-apm'."},
146 /* FIXME: help unsupported. */ /* NUL_TERMINATE */
148 "if sleep -i $timeout; then timeout=0; else timeout=-1; fi\n", 0,
149 0, {}, 0, "", "Hide the menu."},
150 {"hide", "parttool '%s' hidden+\n", NULL
, 0, 1, {TYPE_PARTITION
},
152 "Hide PARTITION by setting the \"hidden\" bit in"
153 " its partition type code."},
154 /* FIXME: ifconfig unsupported. */
155 /* FIXME: impsprobe unsupported. */
156 {"initrd", "legacy_initrd '%s' %s\n", NULL
, 0, 2, {TYPE_FILE_NO_CONSUME
,
157 TYPE_REST_VERBATIM
}, 0,
159 "Load an initial ramdisk FILE for a Linux format boot image and set the"
160 " appropriate parameters in the Linux setup area in memory."},
161 /* NOTE: install unsupported. */
162 /* FIXME: ioprobe unsupported. */
163 /* FIXME: really support --no-mem-option. */
164 {"kernel", "legacy_kernel %s %s '%s' %s\n", NULL
, 0,
165 4, {TYPE_TYPE_OR_NOMEM_OPTION
, TYPE_TYPE_OR_NOMEM_OPTION
,
166 TYPE_FILE_NO_CONSUME
, TYPE_REST_VERBATIM
}, 0,
167 "[--no-mem-option] [--type=TYPE] FILE [ARG ...]",
168 "Attempt to load the primary boot image from FILE. The rest of the"
169 " line is passed verbatim as the \"kernel command line\". Any modules"
170 " must be reloaded after using this command. The option --type is used"
171 " to suggest what type of kernel to be loaded. TYPE must be either of"
172 " \"netbsd\", \"freebsd\", \"openbsd\", \"linux\", \"biglinux\" and"
173 " \"multiboot\". The option --no-mem-option tells GRUB not to pass a"
174 " Linux's mem option automatically."},
175 {"lock", "if ! authenticate legacy; then return; fi", NULL
, 0, 0, {}, 0,
176 0, "Break a command execution unless the user is authenticated."},
177 {"makeactive", "parttool \"$root\" boot+\n", NULL
, 0, 0, {}, 0, 0,
178 "Set the active partition on the root disk to GRUB's root device."
179 " This command is limited to _primary_ PC partitions on a hard disk."},
180 {"map", "drivemap '%s' '%s'\n", NULL
, 0,
181 2, {TYPE_PARTITION
, TYPE_PARTITION
},
182 FLAG_IGNORE_REST
, "TO_DRIVE FROM_DRIVE",
183 "Map the drive FROM_DRIVE to the drive TO_DRIVE. This is necessary"
184 " when you chain-load some operating systems, such as DOS, if such an"
185 " OS resides at a non-first drive."},
186 /* NOTE: md5crypt unsupported since GRUB has not enough entropy and this
187 hash shouldn't be used anymore. */
188 {"module", "legacy_initrd '%s' %s\n", NULL
, 0, 2, {TYPE_FILE_NO_CONSUME
,
189 TYPE_REST_VERBATIM
}, 0,
191 "Load a boot module FILE for a Multiboot format boot image (no"
192 " interpretation of the file contents is made, so users of this"
193 " command must know what the kernel in question expects). The"
194 " rest of the line is passed as the \"module command line\", like"
195 " the `kernel' command."},
196 {"modulenounzip", "legacy_initrd_nounzip '%s' %s\n", NULL
, 0, 2,
197 {TYPE_FILE_NO_CONSUME
, TYPE_REST_VERBATIM
}, 0,
199 "The same as `module', except that automatic decompression is"
201 {"pager", "set pager=%s; if [ \"$pager\" = 0 ]; then "
202 " echo Internal pager is now off; else "
203 "echo Internal pager is now on; fi\n", NULL
, 0,
204 1, {TYPE_BOOL
}, FLAG_FALLBACK_AVAILABLE
, "[FLAG]",
205 "Toggle pager mode with no argument. If FLAG is given and its value"
206 " is `on', turn on the mode. If FLAG is `off', turn off the mode."},
208 "if [ \"$pager\" = 1 ]; then pager=0; echo Internal pager is now off;"
209 "else pager=1; echo Internal pager is now on; fi\n", NULL
, 0, 0, {},
210 FLAG_FALLBACK
, NULL
, NULL
},
211 /* FIXME: partnew unsupported. */
212 {"parttype", "parttool '%s' type=%s\n", NULL
, 0,
213 2, {TYPE_PARTITION
, TYPE_INT
}, 0,
214 "PART TYPE", "Change the type of the partition PART to TYPE."},
215 {"password", "if [ \"$superusers\" = "" ]; then superusers=legacy; fi;\n"
216 "legacy_password %s '%s'\n",
217 "menuentry \"Superuser menu\" --users \"legacy\" { configfile '%s'; }\n",
218 2, 3, {TYPE_OPTION
, TYPE_VERBATIM
, TYPE_FILE
},
219 FLAG_IGNORE_REST
| FLAG_FALLBACK_AVAILABLE
| FLAG_NO_MENUENTRY
,
220 "[--md5] PASSWD [FILE]",
221 "If used in the first section of a menu file, disable all"
222 " interactive editing control (menu entry editor and"
223 " command line). If the password PASSWD is entered, it loads the"
224 " FILE as a new config file and restarts the GRUB Stage 2. If you"
225 " omit the argument FILE, then GRUB just unlocks privileged"
226 " instructions. You can also use it in the script section, in"
227 " which case it will ask for the password, before continuing."
228 " The option --md5 tells GRUB that PASSWD is encrypted with"
230 {"password", "if [ \"$superusers\" = "" ]; then superusers=legacy; fi;\n"
231 "legacy_password %s '%s'\n", NULL
, 0, 2, {TYPE_OPTION
, TYPE_VERBATIM
},
232 FLAG_IGNORE_REST
| FLAG_FALLBACK
| FLAG_NO_MENUENTRY
, NULL
, NULL
},
233 {"password", "if legacy_check_password %s '%s'; then configfile '%s'; "
234 "else return; fi\n", NULL
, 2, 3, {TYPE_OPTION
, TYPE_VERBATIM
, TYPE_FILE
},
235 FLAG_IGNORE_REST
| FLAG_FALLBACK_AVAILABLE
| FLAG_MENUENTRY_ONLY
,
237 {"password", "if ! legacy_check_password %s '%s'; then return fi;\n",
238 NULL
, 0, 2, {TYPE_OPTION
, TYPE_VERBATIM
},
239 FLAG_IGNORE_REST
| FLAG_FALLBACK
| FLAG_MENUENTRY_ONLY
, NULL
, NULL
},
240 /* NOTE: GRUB2 has a design principle of not eternally waiting for user
241 input. 60 seconds should be enough.
243 {"pause", "echo %s; if ! sleep -i 60; then return; fi\n", NULL
, 0, 1,
244 {TYPE_REST_VERBATIM
}, 0,
245 "[MESSAGE ...]", "Print MESSAGE, then wait until a key is pressed."},
246 /* FIXME: rarp unsupported. */
247 {"read", "read_dword %s\n", NULL
, 0, 1, {TYPE_INT
}, 0, "ADDR",
248 "Read a 32-bit value from memory at address ADDR and"
249 " display it in hex format."},
250 {"reboot", "reboot\n", NULL
, 0, 0, {}, 0, 0, "Reboot your system."},
251 {"root", "set root='%s'; set legacy_hdbias='%s'\n", NULL
, 0,
252 2, {TYPE_PARTITION
, TYPE_INT
}, FLAG_FALLBACK_AVAILABLE
,
254 "Set the current \"root device\" to the device DEVICE, then"
255 " attempt to mount it to get the partition size (for passing the"
256 " partition descriptor in `ES:ESI', used by some chain-loaded"
257 " bootloaders), the BSD drive-type (for booting BSD kernels using"
258 " their native boot format), and correctly determine "
259 " the PC partition where a BSD sub-partition is located. The"
260 " optional HDBIAS parameter is a number to tell a BSD kernel"
261 " how many BIOS drive numbers are on controllers before the current"
262 " one. For example, if there is an IDE disk and a SCSI disk, and your"
263 " FreeBSD root partition is on the SCSI disk, then use a `1' for HDBIAS."},
264 {"root", "echo \"$root\"\n", NULL
, 0, 0, {}, FLAG_FALLBACK
, NULL
, NULL
},
265 {"rootnoverify", "set root='%s'; set legacy_hdbias='%s'\n", NULL
, 0,
266 2, {TYPE_PARTITION
, TYPE_INT
}, 0,
268 "Similar to `root', but don't attempt to mount the partition. This"
269 " is useful for when an OS is outside of the area of the disk that"
270 " GRUB can read, but setting the correct root device is still"
271 " desired. Note that the items mentioned in `root' which"
272 " derived from attempting the mount will NOT work correctly."},
273 {"rootnoverify", "echo \"$root\"\n", NULL
, 0,
274 0, {}, FLAG_FALLBACK
, NULL
, NULL
},
275 /* FIXME: support saving NUM and fallback. */
276 {"savedefault", "saved_entry=${chosen}; save_env saved_entry\n", NULL
, 0,
277 0, {}, 0, "[NUM | `fallback']",
278 "Save the current entry as the default boot entry if no argument is"
279 " specified. If a number is specified, this number is saved. If"
280 " `fallback' is used, next fallback entry is saved."},
281 {"serial", "serial %s\n", NULL
, 0, 1, {TYPE_REST_VERBATIM
}, 0,
282 "[--unit=UNIT] [--port=PORT] [--speed=SPEED] [--word=WORD] "
283 "[--parity=PARITY] [--stop=STOP] [--device=DEV]",
284 "Initialize a serial device. UNIT is a digit that specifies which serial"
285 " device is used (e.g. 0 == COM1). If you need to specify the port number,"
286 " set it by --port. SPEED is the DTE-DTE speed. WORD is the word length,"
287 " PARITY is the type of parity, which is one of `no', `odd' and `even'."
288 " STOP is the length of stop bit(s). The option --device can be used only"
289 " in the grub shell, which specifies the file name of a tty device. The"
290 " default values are COM1, 9600, 8N1."},
291 /* FIXME: setkey unsupported. */ /* NUL_TERMINATE */
292 /* NOTE: setup unsupported. */
293 /* FIXME: --no-echo, --no-edit, hercules unsupported. */
294 /* NOTE: both terminals are activated so --silent and --timeout
296 {"terminal", NULL
, NULL
, 0, 0, {}, FLAG_TERMINAL
| FLAG_IGNORE_REST
,
297 "[--dumb] [--no-echo] [--no-edit] [--timeout=SECS] [--lines=LINES] "
298 "[--silent] [console] [serial] [hercules]",
299 "Select a terminal. When multiple terminals are specified, wait until"
300 " you push any key to continue. If both console and serial are specified,"
301 " the terminal to which you input a key first will be selected. If no"
302 " argument is specified, print current setting. The option --dumb"
303 " specifies that your terminal is dumb, otherwise, vt100-compatibility"
304 " is assumed. If you specify --no-echo, input characters won't be echoed."
305 " If you specify --no-edit, the BASH-like editing feature will be disabled."
306 " If --timeout is present, this command will wait at most for SECS"
307 " seconds. The option --lines specifies the maximum number of lines."
308 " The option --silent is used to suppress messages."},
309 /* FIXME: terminfo unsupported. */ /* NUL_TERMINATE */
310 {"testload", "cat '%s'\n", NULL
, 0, 1, {TYPE_FILE
}, 0, "FILE",
311 "Read the entire contents of FILE in several different ways and"
312 " compares them, to test the filesystem code. "
313 " If this test succeeds, then a good next"
314 " step is to try loading a kernel."},
315 {"testvbe", "insmod vbe; videotest '%s'\n", NULL
, 0, 1, {TYPE_VBE_MODE
}, 0,
316 "MODE", "Test the VBE mode MODE. Hit any key to return."},
317 /* FIXME: tftpserver unsupported. */
318 {"timeout", "set timeout=%s\n", NULL
, 0, 1, {TYPE_INT
}, 0, "SEC",
319 "Set a timeout, in SEC seconds, before automatically booting the"
320 " default entry (normally the first entry defined)."},
321 {"title", NULL
, NULL
, 0, 0, {}, FLAG_TITLE
, "NAME ...",
322 "Start a new boot entry, and set its name to the contents of the"
323 " rest of the line, starting with the first non-space character."},
324 {"unhide", "parttool '%s' hidden-\n", NULL
, 0,
325 1, {TYPE_PARTITION
}, 0, "PARTITION",
326 "Unhide PARTITION by clearing the \"hidden\" bit in its"
327 " partition type code."},
328 /* FIXME: uppermem unsupported. */
329 {"uuid", "search --set=root --fs-uuid '%s'\n", NULL
, 0, 1, {TYPE_VERBATIM
},
330 0, "UUID", "Find root by UUID"},
331 {"vbeprobe", "insmod vbe; videoinfo '%s'\n", NULL
, 0, 1, {TYPE_VBE_MODE
},
332 FLAG_FALLBACK_AVAILABLE
, "[MODE]",
333 "Probe VBE information. If the mode number MODE is specified, show only"
334 " the information about only the mode."},
335 {"vbeprobe", "insmod vbe; videoinfo\n", NULL
, 0, 0, {},
336 FLAG_FALLBACK
, NULL
, NULL
}
340 grub_legacy_escape (const char *in
, grub_size_t len
)
347 for (ptr
= (char*)in
; ptr
< in
+ len
&& *ptr
; ptr
++)
350 ret
= grub_malloc (ptr
- in
+ overhead
+ 1);
357 grub_strchrsub (ret
, ptr
, '\'', "'\\''");
363 adjust_file (const char *in
, grub_size_t len
)
365 const char *comma
, *ptr
, *rest
;
368 int part
= -1, subpart
= -1;
370 return grub_legacy_escape (in
, len
);
371 for (ptr
= in
+ 1; ptr
< in
+ len
&& *ptr
&& *ptr
!= ')'
372 && *ptr
!= ','; ptr
++)
373 if (*ptr
== '\'' || *ptr
== '\\')
377 return grub_legacy_escape (in
, len
);
378 part
= grub_strtoull (comma
+ 1, (char **) &rest
, 0);
379 if (rest
[0] == ',' && rest
[1] >= 'a' && rest
[1] <= 'z')
381 subpart
= rest
[1] - 'a';
384 for (ptr
= rest
; ptr
< in
+ len
&& *ptr
; ptr
++)
385 if (*ptr
== '\'' || *ptr
== '\\')
388 /* 35 is enough for any 2 numbers. */
389 ret
= grub_malloc (ptr
- in
+ overhead
+ 35);
394 for (ptr
= in
; ptr
< in
+ len
&& ptr
<= comma
; ptr
++)
396 if (*ptr
== '\'' || *ptr
== '\\')
402 grub_snprintf (outptr
, 35, "%d,%d", part
+ 1, subpart
+ 1);
404 grub_snprintf (outptr
, 35, "%d", part
+ 1);
407 for (ptr
= rest
; ptr
< in
+ len
; ptr
++)
409 if (*ptr
== '\'' || *ptr
== '\\')
419 check_option (const char *a
, const char *b
, grub_size_t len
)
421 if (grub_strlen (b
) != len
)
423 return grub_strncmp (a
, b
, len
) == 0;
427 is_option (enum arg_type opt
, const char *curarg
, grub_size_t len
)
431 case TYPE_WITH_CONFIGFILE_OPTION
:
432 return check_option (curarg
, "--with-configfile", len
);
433 case TYPE_NOAPM_OPTION
:
434 return check_option (curarg
, "--no-apm", len
);
435 case TYPE_FORCE_OPTION
:
436 return check_option (curarg
, "--force", len
);
437 case TYPE_TYPE_OR_NOMEM_OPTION
:
438 return check_option (curarg
, "--type=netbsd", len
)
439 || check_option (curarg
, "--type=freebsd", len
)
440 || check_option (curarg
, "--type=openbsd", len
)
441 || check_option (curarg
, "--type=linux", len
)
442 || check_option (curarg
, "--type=biglinux", len
)
443 || check_option (curarg
, "--type=multiboot", len
)
444 || check_option (curarg
, "--no-mem-option", len
);
446 return (len
>= 2 && curarg
[0] == '-' && curarg
[1] == '-');
453 grub_legacy_parse (const char *buf
, char **entryname
, char **suffix
)
458 char *args
[ARRAY_SIZE (legacy_commands
[0].argt
)];
462 for (ptr
= buf
; *ptr
&& grub_isspace (*ptr
); ptr
++);
463 if (!*ptr
|| *ptr
== '#')
466 int len
= grub_strlen (buf
);
467 ret
= grub_malloc (len
+ 2);
468 grub_memcpy (ret
, buf
, len
);
469 if (len
&& ret
[len
- 1] == '\n')
480 for (ptr
= buf
; *ptr
&& !grub_isspace (*ptr
) && *ptr
!= '='; ptr
++);
482 for (cmdnum
= 0; cmdnum
< ARRAY_SIZE (legacy_commands
); cmdnum
++)
483 if (grub_strncmp (legacy_commands
[cmdnum
].name
, cmdname
, ptr
- cmdname
) == 0
484 && legacy_commands
[cmdnum
].name
[ptr
- cmdname
] == 0
485 && (!(*entryname
!= NULL
&& (legacy_commands
[cmdnum
].flags
486 & FLAG_NO_MENUENTRY
)))
487 && (!(*entryname
== NULL
&& (legacy_commands
[cmdnum
].flags
488 & FLAG_MENUENTRY_ONLY
))))
490 if (cmdnum
== ARRAY_SIZE (legacy_commands
))
491 return grub_xasprintf ("# Unsupported legacy command: %s\n", buf
);
493 for (; grub_isspace (*ptr
) || *ptr
== '='; ptr
++);
495 if (legacy_commands
[cmdnum
].flags
& FLAG_TITLE
)
498 ptr2
= ptr
+ grub_strlen (ptr
);
499 while (ptr2
> ptr
&& grub_isspace (*(ptr2
- 1)))
501 *entryname
= grub_strndup (ptr
, ptr2
- ptr
);
505 if (legacy_commands
[cmdnum
].flags
& FLAG_TERMINAL
)
507 int dumb
= 0, lines
= 24;
509 int no_echo
= 0, no_edit
= 0;
512 int console
= 0, serial
= 0;
513 /* Big enough for any possible resulting command. */
514 char outbuf
[256] = "";
518 /* "[--timeout=SECS] [--silent]"
519 " [console] [serial] [hercules]"*/
520 if (grub_memcmp (ptr
, "--dumb", sizeof ("--dumb") - 1) == 0)
523 if (grub_memcmp (ptr
, "--no-echo", sizeof ("--no-echo") - 1) == 0)
526 if (grub_memcmp (ptr
, "--no-edit", sizeof ("--no-edit") - 1) == 0)
529 if (grub_memcmp (ptr
, "--lines=", sizeof ("--lines=") - 1) == 0)
531 lines
= grub_strtoul (ptr
+ sizeof ("--lines=") - 1, 0, 0);
535 grub_errno
= GRUB_ERR_NONE
;
539 if (grub_memcmp (ptr
, "console", sizeof ("console") - 1) == 0)
542 if (grub_memcmp (ptr
, "serial", sizeof ("serial") - 1) == 0)
545 if (grub_memcmp (ptr
, "hercules", sizeof ("hercules") - 1) == 0)
548 while (*ptr
&& !grub_isspace (*ptr
))
550 while (*ptr
&& grub_isspace (*ptr
))
554 if (!console
&& !serial
)
555 return grub_strdup ("terminal_input; terminal_output; terminfo\n");
557 grub_strcpy (outbuf
, "terminal_input ");
558 outptr
= outbuf
+ grub_strlen (outbuf
);
561 grub_strcpy (outptr
, "serial ");
562 outptr
+= grub_strlen (outptr
);
566 grub_strcpy (outptr
, "console ");
567 outptr
+= grub_strlen (outptr
);
569 grub_strcpy (outptr
, "; terminal_output ");
570 outptr
+= grub_strlen (outptr
);
573 grub_strcpy (outptr
, "serial ");
574 outptr
+= grub_strlen (outptr
);
578 grub_strcpy (outptr
, "console ");
579 outptr
+= grub_strlen (outptr
);
581 grub_strcpy (outptr
, "; ");
582 outptr
+= grub_strlen (outptr
);
585 grub_snprintf (outptr
, outbuf
+ sizeof (outbuf
) - outptr
,
586 "terminfo serial -g 80x%d %s; ",
587 lines
, dumb
? "dumb" : "vt100");
588 outptr
+= grub_strlen (outptr
);
591 grub_strcpy (outptr
, "\n");
593 return grub_strdup (outbuf
);
596 grub_memset (args
, 0, sizeof (args
));
600 const char *curarg
= NULL
;
601 for (i
= 0; i
< legacy_commands
[cmdnum
].argc
; i
++)
603 grub_size_t curarglen
;
609 for (; grub_isspace (*ptr
); ptr
++);
613 for (; *ptr
&& !grub_isspace (*ptr
); ptr
++);
614 if (i
!= legacy_commands
[cmdnum
].argc
- 1
615 || (legacy_commands
[cmdnum
].flags
& FLAG_IGNORE_REST
))
616 curarglen
= ptr
- curarg
;
619 curarglen
= grub_strlen (curarg
);
620 while (curarglen
> 0 && grub_isspace (curarg
[curarglen
- 1]))
625 switch (legacy_commands
[cmdnum
].argt
[i
])
627 case TYPE_FILE_NO_CONSUME
:
631 args
[i
] = adjust_file (curarg
, curarglen
);
634 case TYPE_REST_VERBATIM
:
636 char *outptr
, *outptr0
;
641 for (; *ptr
&& grub_isspace (*ptr
); ptr
++);
642 for (; *ptr
&& !grub_isspace (*ptr
); ptr
++)
650 outptr0
= args
[i
] = grub_malloc (overhead
+ (ptr
- curarg
));
657 for (; *ptr
&& grub_isspace (*ptr
); ptr
++);
658 if (outptr
!= outptr0
)
661 for (; *ptr
&& !grub_isspace (*ptr
); ptr
++)
682 args
[i
] = grub_legacy_escape (curarg
, curarglen
);
684 case TYPE_WITH_CONFIGFILE_OPTION
:
685 case TYPE_FORCE_OPTION
:
686 case TYPE_NOAPM_OPTION
:
687 case TYPE_TYPE_OR_NOMEM_OPTION
:
689 if (is_option (legacy_commands
[cmdnum
].argt
[i
], curarg
, curarglen
))
691 args
[i
] = grub_strndup (curarg
, curarglen
);
694 args
[i
] = grub_strdup ("");
702 if (brk
[0] == '0' && brk
[1] == 'x')
707 else if (brk
[0] == '0')
709 for (; *brk
&& brk
< curarg
+ curarglen
; brk
++)
711 if (base
== 8 && (*brk
== '8' || *brk
== '9'))
713 if (grub_isdigit (*brk
))
717 if (!(*brk
>= 'a' && *brk
<= 'f')
718 && !(*brk
>= 'A' && *brk
<= 'F'))
722 args
[i
] = grub_strdup ("0");
724 args
[i
] = grub_strndup (curarg
, brk
- curarg
);
730 struct grub_vesa_mode_table_entry
*modedesc
;
732 mod
= grub_strtoul (curarg
, 0, 0);
736 grub_errno
= GRUB_ERR_NONE
;
738 if (mod
< GRUB_VESA_MODE_TABLE_START
739 || mod
> GRUB_VESA_MODE_TABLE_END
)
741 args
[i
] = grub_strdup ("auto");
744 modedesc
= &grub_vesa_mode_table
[mod
- GRUB_VESA_MODE_TABLE_START
];
745 if (!modedesc
->width
)
747 args
[i
] = grub_strdup ("auto");
750 args
[i
] = grub_xasprintf ("%ux%ux%u",
751 modedesc
->width
, modedesc
->height
,
756 if (curarglen
== 2 && curarg
[0] == 'o' && curarg
[1] == 'n')
757 args
[i
] = grub_strdup ("1");
759 args
[i
] = grub_strdup ("0");
765 while (legacy_commands
[cmdnum
].argc
> 0
766 && args
[legacy_commands
[cmdnum
].argc
- 1] == NULL
767 && (legacy_commands
[cmdnum
].flags
& FLAG_FALLBACK_AVAILABLE
)
768 && args
[legacy_commands
[cmdnum
+ 1].argc
] == NULL
)
771 for (; i
< legacy_commands
[cmdnum
].argc
; i
++)
772 switch (legacy_commands
[cmdnum
].argt
[i
])
774 case TYPE_FILE_NO_CONSUME
:
777 case TYPE_REST_VERBATIM
:
779 case TYPE_WITH_CONFIGFILE_OPTION
:
780 case TYPE_FORCE_OPTION
:
781 case TYPE_NOAPM_OPTION
:
782 case TYPE_TYPE_OR_NOMEM_OPTION
:
784 args
[i
] = grub_strdup ("");
788 args
[i
] = grub_strdup ("0");
791 args
[i
] = grub_strdup ("auto");
795 if (legacy_commands
[cmdnum
].flags
& FLAG_COLOR_INVERT
)
797 char *corig
= args
[legacy_commands
[cmdnum
].argc
- 1];
798 char *slash
= grub_strchr (corig
, '/');
802 len
= grub_strlen (corig
);
805 grub_error (GRUB_ERR_BAD_ARGUMENT
, N_("invalid color specification `%s'"),
809 invert
= grub_malloc (len
+ 1);
812 grub_memcpy (invert
, slash
+ 1, len
- (slash
- corig
) - 1);
813 invert
[len
- (slash
- args
[0]) - 1] = '/';
814 grub_memcpy (invert
+ len
- (slash
- corig
), corig
, slash
- corig
);
816 args
[legacy_commands
[cmdnum
].argc
] = invert
;
819 if (legacy_commands
[cmdnum
].suffix
)
821 *suffix
= grub_xasprintf (legacy_commands
[cmdnum
].suffix
,
822 args
[legacy_commands
[cmdnum
].suffixarg
]);
828 char *ret
= grub_xasprintf (legacy_commands
[cmdnum
].map
, args
[0], args
[1],