Annotation of /trunk/grubby/grubby.c
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Mon Oct 21 13:53:05 2013 UTC (11 years ago) by niro
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File size: 119765 byte(s)
Mon Oct 21 13:53:05 2013 UTC (11 years ago) by niro
File MIME type: text/plain
File size: 119765 byte(s)
Error instead of segfaulting if we can't find any working config (#912873)
1 | niro | 914 | /* |
2 | * grubby.c | ||
3 | * | ||
4 | * Copyright (C) 2001-2008 Red Hat, Inc. | ||
5 | * All rights reserved. | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; either version 2 of the License, or | ||
10 | * (at your option) any later version. | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | * GNU General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
19 | */ | ||
20 | niro | 532 | |
21 | niro | 914 | #ifndef _GNU_SOURCE |
22 | #define _GNU_SOURCE | ||
23 | #endif | ||
24 | niro | 532 | #include <ctype.h> |
25 | #include <errno.h> | ||
26 | #include <fcntl.h> | ||
27 | #include <mntent.h> | ||
28 | #include <popt.h> | ||
29 | #include <stdarg.h> | ||
30 | #include <stdlib.h> | ||
31 | #include <string.h> | ||
32 | #include <sys/stat.h> | ||
33 | #include <unistd.h> | ||
34 | niro | 914 | #include <libgen.h> |
35 | #include <execinfo.h> | ||
36 | #include <signal.h> | ||
37 | #include <blkid/blkid.h> | ||
38 | niro | 532 | |
39 | niro | 2236 | #include "log.h" |
40 | |||
41 | niro | 1694 | #ifndef DEBUG |
42 | niro | 914 | #define DEBUG 0 |
43 | niro | 1694 | #endif |
44 | niro | 532 | |
45 | niro | 914 | #if DEBUG |
46 | #define dbgPrintf(format, args...) fprintf(stderr, format , ## args) | ||
47 | #else | ||
48 | #define dbgPrintf(format, args...) | ||
49 | #endif | ||
50 | |||
51 | niro | 1736 | int debug = 0; /* Currently just for template debugging */ |
52 | |||
53 | niro | 532 | #define _(A) (A) |
54 | |||
55 | niro | 914 | #define MAX_EXTRA_INITRDS 16 /* code segment checked by --bootloader-probe */ |
56 | niro | 532 | #define CODE_SEG_SIZE 128 /* code segment checked by --bootloader-probe */ |
57 | |||
58 | niro | 1718 | #define NOOP_OPCODE 0x90 |
59 | #define JMP_SHORT_OPCODE 0xeb | ||
60 | |||
61 | niro | 1940 | int isEfi = 0; |
62 | |||
63 | niro | 2236 | char *saved_command_line = NULL; |
64 | |||
65 | niro | 532 | /* comments get lumped in with indention */ |
66 | struct lineElement { | ||
67 | char * item; | ||
68 | char * indent; | ||
69 | }; | ||
70 | |||
71 | niro | 914 | enum lineType_e { |
72 | niro | 1696 | LT_WHITESPACE = 1 << 0, |
73 | LT_TITLE = 1 << 1, | ||
74 | LT_KERNEL = 1 << 2, | ||
75 | LT_INITRD = 1 << 3, | ||
76 | LT_HYPER = 1 << 4, | ||
77 | LT_DEFAULT = 1 << 5, | ||
78 | LT_MBMODULE = 1 << 6, | ||
79 | LT_ROOT = 1 << 7, | ||
80 | LT_FALLBACK = 1 << 8, | ||
81 | LT_KERNELARGS = 1 << 9, | ||
82 | LT_BOOT = 1 << 10, | ||
83 | LT_BOOTROOT = 1 << 11, | ||
84 | LT_LBA = 1 << 12, | ||
85 | LT_OTHER = 1 << 13, | ||
86 | LT_GENERIC = 1 << 14, | ||
87 | LT_ECHO = 1 << 16, | ||
88 | LT_MENUENTRY = 1 << 17, | ||
89 | LT_ENTRY_END = 1 << 18, | ||
90 | LT_SET_VARIABLE = 1 << 19, | ||
91 | niro | 1940 | LT_KERNEL_EFI = 1 << 20, |
92 | LT_INITRD_EFI = 1 << 21, | ||
93 | LT_UNKNOWN = 1 << 22, | ||
94 | niro | 914 | }; |
95 | niro | 532 | |
96 | struct singleLine { | ||
97 | char * indent; | ||
98 | int numElements; | ||
99 | struct lineElement * elements; | ||
100 | struct singleLine * next; | ||
101 | enum lineType_e type; | ||
102 | }; | ||
103 | |||
104 | struct singleEntry { | ||
105 | struct singleLine * lines; | ||
106 | int skip; | ||
107 | int multiboot; | ||
108 | struct singleEntry * next; | ||
109 | }; | ||
110 | |||
111 | #define GRUBBY_BADIMAGE_OKAY (1 << 0) | ||
112 | |||
113 | #define GRUB_CONFIG_NO_DEFAULT (1 << 0) /* don't write out default=0 */ | ||
114 | |||
115 | niro | 914 | /* These defines are (only) used in addNewKernel() */ |
116 | #define NEED_KERNEL (1 << 0) | ||
117 | #define NEED_INITRD (1 << 1) | ||
118 | #define NEED_TITLE (1 << 2) | ||
119 | #define NEED_ARGS (1 << 3) | ||
120 | #define NEED_MB (1 << 4) | ||
121 | niro | 1696 | #define NEED_END (1 << 5) |
122 | niro | 532 | |
123 | #define MAIN_DEFAULT (1 << 0) | ||
124 | #define DEFAULT_SAVED -2 | ||
125 | niro | 1748 | #define DEFAULT_SAVED_GRUB2 -3 |
126 | niro | 532 | |
127 | struct keywordTypes { | ||
128 | char * key; | ||
129 | enum lineType_e type; | ||
130 | char nextChar; | ||
131 | niro | 914 | char separatorChar; |
132 | }; | ||
133 | niro | 532 | |
134 | niro | 1696 | struct configFileInfo; |
135 | |||
136 | typedef const char *(*findConfigFunc)(struct configFileInfo *); | ||
137 | typedef const int (*writeLineFunc)(struct configFileInfo *, | ||
138 | struct singleLine *line); | ||
139 | |||
140 | niro | 532 | struct configFileInfo { |
141 | char * defaultConfig; | ||
142 | niro | 1696 | findConfigFunc findConfig; |
143 | writeLineFunc writeLine; | ||
144 | niro | 532 | struct keywordTypes * keywords; |
145 | niro | 2056 | int caseInsensitive; |
146 | niro | 532 | int defaultIsIndex; |
147 | niro | 1696 | int defaultIsVariable; |
148 | niro | 532 | int defaultSupportSaved; |
149 | niro | 1693 | enum lineType_e entryStart; |
150 | niro | 1696 | enum lineType_e entryEnd; |
151 | niro | 532 | int needsBootPrefix; |
152 | int argsInQuotes; | ||
153 | int maxTitleLength; | ||
154 | int titleBracketed; | ||
155 | niro | 1696 | int titlePosition; |
156 | niro | 914 | int mbHyperFirst; |
157 | int mbInitRdIsModule; | ||
158 | int mbConcatArgs; | ||
159 | int mbAllowExtraInitRds; | ||
160 | niro | 532 | }; |
161 | |||
162 | struct keywordTypes grubKeywords[] = { | ||
163 | { "title", LT_TITLE, ' ' }, | ||
164 | { "root", LT_BOOTROOT, ' ' }, | ||
165 | { "default", LT_DEFAULT, ' ' }, | ||
166 | { "fallback", LT_FALLBACK, ' ' }, | ||
167 | { "kernel", LT_KERNEL, ' ' }, | ||
168 | niro | 914 | { "initrd", LT_INITRD, ' ', ' ' }, |
169 | niro | 532 | { "module", LT_MBMODULE, ' ' }, |
170 | niro | 914 | { "kernel", LT_HYPER, ' ' }, |
171 | niro | 532 | { NULL, 0, 0 }, |
172 | }; | ||
173 | |||
174 | niro | 1715 | const char *grubFindConfig(struct configFileInfo *cfi) { |
175 | static const char *configFiles[] = { | ||
176 | "/boot/grub/grub.conf", | ||
177 | "/boot/grub/menu.lst", | ||
178 | niro | 1852 | "/etc/grub.conf", |
179 | niro | 1715 | NULL |
180 | }; | ||
181 | static int i = -1; | ||
182 | |||
183 | if (i == -1) { | ||
184 | for (i = 0; configFiles[i] != NULL; i++) { | ||
185 | dbgPrintf("Checking \"%s\": ", configFiles[i]); | ||
186 | if (!access(configFiles[i], R_OK)) { | ||
187 | dbgPrintf("found\n"); | ||
188 | return configFiles[i]; | ||
189 | } | ||
190 | dbgPrintf("not found\n"); | ||
191 | } | ||
192 | } | ||
193 | return configFiles[i]; | ||
194 | } | ||
195 | |||
196 | niro | 532 | struct configFileInfo grubConfigType = { |
197 | niro | 1715 | .findConfig = grubFindConfig, |
198 | niro | 1692 | .keywords = grubKeywords, |
199 | .defaultIsIndex = 1, | ||
200 | .defaultSupportSaved = 1, | ||
201 | niro | 1693 | .entryStart = LT_TITLE, |
202 | niro | 1692 | .needsBootPrefix = 1, |
203 | .mbHyperFirst = 1, | ||
204 | .mbInitRdIsModule = 1, | ||
205 | .mbAllowExtraInitRds = 1, | ||
206 | niro | 532 | }; |
207 | |||
208 | niro | 1696 | struct keywordTypes grub2Keywords[] = { |
209 | { "menuentry", LT_MENUENTRY, ' ' }, | ||
210 | { "}", LT_ENTRY_END, ' ' }, | ||
211 | { "echo", LT_ECHO, ' ' }, | ||
212 | { "set", LT_SET_VARIABLE,' ', '=' }, | ||
213 | { "root", LT_BOOTROOT, ' ' }, | ||
214 | { "default", LT_DEFAULT, ' ' }, | ||
215 | { "fallback", LT_FALLBACK, ' ' }, | ||
216 | { "linux", LT_KERNEL, ' ' }, | ||
217 | niro | 1940 | { "linuxefi", LT_KERNEL_EFI, ' ' }, |
218 | niro | 1696 | { "initrd", LT_INITRD, ' ', ' ' }, |
219 | niro | 1940 | { "initrdefi", LT_INITRD_EFI, ' ', ' ' }, |
220 | niro | 1696 | { "module", LT_MBMODULE, ' ' }, |
221 | { "kernel", LT_HYPER, ' ' }, | ||
222 | { NULL, 0, 0 }, | ||
223 | }; | ||
224 | |||
225 | const char *grub2FindConfig(struct configFileInfo *cfi) { | ||
226 | static const char *configFiles[] = { | ||
227 | "/boot/grub/grub-efi.cfg", | ||
228 | "/boot/grub/grub.cfg", | ||
229 | NULL | ||
230 | }; | ||
231 | static int i = -1; | ||
232 | niro | 1714 | static const char *grub_cfg = "/boot/grub/grub.cfg"; |
233 | niro | 2246 | int rc = -1; |
234 | niro | 1696 | |
235 | if (i == -1) { | ||
236 | for (i = 0; configFiles[i] != NULL; i++) { | ||
237 | dbgPrintf("Checking \"%s\": ", configFiles[i]); | ||
238 | niro | 2246 | if ((rc = access(configFiles[i], R_OK))) { |
239 | if (errno == EACCES) { | ||
240 | printf("Unable to access bootloader configuration file " | ||
241 | "\"%s\": %m\n", configFiles[i]); | ||
242 | exit(1); | ||
243 | } | ||
244 | continue; | ||
245 | } else { | ||
246 | niro | 1696 | dbgPrintf("found\n"); |
247 | return configFiles[i]; | ||
248 | } | ||
249 | } | ||
250 | } | ||
251 | niro | 1714 | |
252 | /* Ubuntu renames grub2 to grub, so check for the grub.d directory | ||
253 | * that isn't in grub1, and if it exists, return the config file path | ||
254 | * that they use. */ | ||
255 | if (configFiles[i] == NULL && !access("/etc/grub.d/", R_OK)) { | ||
256 | dbgPrintf("found\n"); | ||
257 | return grub_cfg; | ||
258 | } | ||
259 | |||
260 | dbgPrintf("not found\n"); | ||
261 | niro | 1696 | return configFiles[i]; |
262 | } | ||
263 | |||
264 | niro | 1746 | int sizeOfSingleLine(struct singleLine * line) { |
265 | int count = 0; | ||
266 | |||
267 | niro | 1846 | for (int i = 0; i < line->numElements; i++) { |
268 | niro | 1746 | int indentSize = 0; |
269 | |||
270 | count = count + strlen(line->elements[i].item); | ||
271 | |||
272 | indentSize = strlen(line->elements[i].indent); | ||
273 | if (indentSize > 0) | ||
274 | count = count + indentSize; | ||
275 | else | ||
276 | /* be extra safe and add room for whitespaces */ | ||
277 | count = count + 1; | ||
278 | } | ||
279 | |||
280 | /* room for trailing terminator */ | ||
281 | count = count + 1; | ||
282 | |||
283 | return count; | ||
284 | } | ||
285 | |||
286 | niro | 1800 | static int isquote(char q) |
287 | { | ||
288 | if (q == '\'' || q == '\"') | ||
289 | return 1; | ||
290 | return 0; | ||
291 | } | ||
292 | |||
293 | niro | 1940 | static int iskernel(enum lineType_e type) { |
294 | return (type == LT_KERNEL || type == LT_KERNEL_EFI); | ||
295 | } | ||
296 | |||
297 | static int isinitrd(enum lineType_e type) { | ||
298 | return (type == LT_INITRD || type == LT_INITRD_EFI); | ||
299 | } | ||
300 | |||
301 | niro | 1746 | char *grub2ExtractTitle(struct singleLine * line) { |
302 | char * current; | ||
303 | char * current_indent; | ||
304 | int current_len; | ||
305 | int current_indent_len; | ||
306 | int i; | ||
307 | |||
308 | /* bail out if line does not start with menuentry */ | ||
309 | if (strcmp(line->elements[0].item, "menuentry")) | ||
310 | return NULL; | ||
311 | |||
312 | i = 1; | ||
313 | current = line->elements[i].item; | ||
314 | current_len = strlen(current); | ||
315 | |||
316 | /* if second word is quoted, strip the quotes and return single word */ | ||
317 | niro | 1800 | if (isquote(*current) && isquote(current[current_len - 1])) { |
318 | char *tmp; | ||
319 | |||
320 | tmp = strdup(current); | ||
321 | *(tmp + current_len - 1) = '\0'; | ||
322 | return ++tmp; | ||
323 | niro | 1746 | } |
324 | |||
325 | /* if no quotes, return second word verbatim */ | ||
326 | niro | 1800 | if (!isquote(*current)) |
327 | return current; | ||
328 | niro | 1746 | |
329 | /* second element start with a quote, so we have to find the element | ||
330 | * whose last character is also quote (assuming it's the closing one) */ | ||
331 | niro | 1800 | int resultMaxSize; |
332 | char * result; | ||
333 | |||
334 | resultMaxSize = sizeOfSingleLine(line); | ||
335 | result = malloc(resultMaxSize); | ||
336 | snprintf(result, resultMaxSize, "%s", ++current); | ||
337 | |||
338 | i++; | ||
339 | for (; i < line->numElements; ++i) { | ||
340 | niro | 1746 | current = line->elements[i].item; |
341 | current_len = strlen(current); | ||
342 | current_indent = line->elements[i].indent; | ||
343 | current_indent_len = strlen(current_indent); | ||
344 | |||
345 | strncat(result, current_indent, current_indent_len); | ||
346 | niro | 1800 | if (!isquote(current[current_len-1])) { |
347 | strncat(result, current, current_len); | ||
348 | niro | 1746 | } else { |
349 | niro | 1800 | strncat(result, current, current_len - 1); |
350 | break; | ||
351 | niro | 1746 | } |
352 | } | ||
353 | niro | 1800 | return result; |
354 | niro | 1746 | } |
355 | |||
356 | niro | 1696 | struct configFileInfo grub2ConfigType = { |
357 | .findConfig = grub2FindConfig, | ||
358 | .keywords = grub2Keywords, | ||
359 | .defaultIsIndex = 1, | ||
360 | niro | 1748 | .defaultSupportSaved = 1, |
361 | niro | 1696 | .defaultIsVariable = 1, |
362 | .entryStart = LT_MENUENTRY, | ||
363 | .entryEnd = LT_ENTRY_END, | ||
364 | .titlePosition = 1, | ||
365 | .needsBootPrefix = 1, | ||
366 | .mbHyperFirst = 1, | ||
367 | .mbInitRdIsModule = 1, | ||
368 | .mbAllowExtraInitRds = 1, | ||
369 | }; | ||
370 | |||
371 | niro | 532 | struct keywordTypes yabootKeywords[] = { |
372 | { "label", LT_TITLE, '=' }, | ||
373 | { "root", LT_ROOT, '=' }, | ||
374 | { "default", LT_DEFAULT, '=' }, | ||
375 | { "image", LT_KERNEL, '=' }, | ||
376 | { "bsd", LT_GENERIC, '=' }, | ||
377 | { "macos", LT_GENERIC, '=' }, | ||
378 | { "macosx", LT_GENERIC, '=' }, | ||
379 | { "magicboot", LT_GENERIC, '=' }, | ||
380 | { "darwin", LT_GENERIC, '=' }, | ||
381 | { "timeout", LT_GENERIC, '=' }, | ||
382 | { "install", LT_GENERIC, '=' }, | ||
383 | { "fstype", LT_GENERIC, '=' }, | ||
384 | { "hfstype", LT_GENERIC, '=' }, | ||
385 | { "delay", LT_GENERIC, '=' }, | ||
386 | { "defaultos", LT_GENERIC, '=' }, | ||
387 | { "init-message", LT_GENERIC, '=' }, | ||
388 | { "enablecdboot", LT_GENERIC, ' ' }, | ||
389 | { "enableofboot", LT_GENERIC, ' ' }, | ||
390 | { "enablenetboot", LT_GENERIC, ' ' }, | ||
391 | { "nonvram", LT_GENERIC, ' ' }, | ||
392 | { "hide", LT_GENERIC, ' ' }, | ||
393 | { "protect", LT_GENERIC, ' ' }, | ||
394 | { "nobless", LT_GENERIC, ' ' }, | ||
395 | { "nonvram", LT_GENERIC, ' ' }, | ||
396 | { "brokenosx", LT_GENERIC, ' ' }, | ||
397 | { "usemount", LT_GENERIC, ' ' }, | ||
398 | { "mntpoint", LT_GENERIC, '=' }, | ||
399 | { "partition", LT_GENERIC, '=' }, | ||
400 | { "device", LT_GENERIC, '=' }, | ||
401 | { "fstype", LT_GENERIC, '=' }, | ||
402 | niro | 914 | { "initrd", LT_INITRD, '=', ';' }, |
403 | niro | 532 | { "append", LT_KERNELARGS, '=' }, |
404 | { "boot", LT_BOOT, '=' }, | ||
405 | { "lba", LT_LBA, ' ' }, | ||
406 | { NULL, 0, 0 }, | ||
407 | }; | ||
408 | |||
409 | struct keywordTypes liloKeywords[] = { | ||
410 | { "label", LT_TITLE, '=' }, | ||
411 | { "root", LT_ROOT, '=' }, | ||
412 | { "default", LT_DEFAULT, '=' }, | ||
413 | { "image", LT_KERNEL, '=' }, | ||
414 | { "other", LT_OTHER, '=' }, | ||
415 | { "initrd", LT_INITRD, '=' }, | ||
416 | { "append", LT_KERNELARGS, '=' }, | ||
417 | { "boot", LT_BOOT, '=' }, | ||
418 | { "lba", LT_LBA, ' ' }, | ||
419 | { NULL, 0, 0 }, | ||
420 | }; | ||
421 | |||
422 | niro | 914 | struct keywordTypes eliloKeywords[] = { |
423 | { "label", LT_TITLE, '=' }, | ||
424 | { "root", LT_ROOT, '=' }, | ||
425 | { "default", LT_DEFAULT, '=' }, | ||
426 | { "image", LT_KERNEL, '=' }, | ||
427 | { "initrd", LT_INITRD, '=' }, | ||
428 | { "append", LT_KERNELARGS, '=' }, | ||
429 | { "vmm", LT_HYPER, '=' }, | ||
430 | { NULL, 0, 0 }, | ||
431 | }; | ||
432 | |||
433 | niro | 532 | struct keywordTypes siloKeywords[] = { |
434 | { "label", LT_TITLE, '=' }, | ||
435 | { "root", LT_ROOT, '=' }, | ||
436 | { "default", LT_DEFAULT, '=' }, | ||
437 | { "image", LT_KERNEL, '=' }, | ||
438 | { "other", LT_OTHER, '=' }, | ||
439 | { "initrd", LT_INITRD, '=' }, | ||
440 | { "append", LT_KERNELARGS, '=' }, | ||
441 | { "boot", LT_BOOT, '=' }, | ||
442 | { NULL, 0, 0 }, | ||
443 | }; | ||
444 | |||
445 | struct keywordTypes ziplKeywords[] = { | ||
446 | { "target", LT_BOOTROOT, '=' }, | ||
447 | { "image", LT_KERNEL, '=' }, | ||
448 | { "ramdisk", LT_INITRD, '=' }, | ||
449 | { "parameters", LT_KERNELARGS, '=' }, | ||
450 | { "default", LT_DEFAULT, '=' }, | ||
451 | { NULL, 0, 0 }, | ||
452 | }; | ||
453 | |||
454 | niro | 914 | struct keywordTypes extlinuxKeywords[] = { |
455 | { "label", LT_TITLE, ' ' }, | ||
456 | { "root", LT_ROOT, ' ' }, | ||
457 | { "default", LT_DEFAULT, ' ' }, | ||
458 | { "kernel", LT_KERNEL, ' ' }, | ||
459 | { "initrd", LT_INITRD, ' ', ',' }, | ||
460 | { "append", LT_KERNELARGS, ' ' }, | ||
461 | { "prompt", LT_UNKNOWN, ' ' }, | ||
462 | { NULL, 0, 0 }, | ||
463 | }; | ||
464 | int useextlinuxmenu; | ||
465 | niro | 532 | struct configFileInfo eliloConfigType = { |
466 | niro | 1692 | .defaultConfig = "/boot/efi/EFI/redhat/elilo.conf", |
467 | .keywords = eliloKeywords, | ||
468 | niro | 1693 | .entryStart = LT_KERNEL, |
469 | niro | 1692 | .needsBootPrefix = 1, |
470 | .argsInQuotes = 1, | ||
471 | .mbConcatArgs = 1, | ||
472 | niro | 532 | }; |
473 | |||
474 | struct configFileInfo liloConfigType = { | ||
475 | niro | 1692 | .defaultConfig = "/etc/lilo.conf", |
476 | .keywords = liloKeywords, | ||
477 | niro | 1693 | .entryStart = LT_KERNEL, |
478 | niro | 1692 | .argsInQuotes = 1, |
479 | .maxTitleLength = 15, | ||
480 | niro | 532 | }; |
481 | |||
482 | struct configFileInfo yabootConfigType = { | ||
483 | niro | 1692 | .defaultConfig = "/etc/yaboot.conf", |
484 | .keywords = yabootKeywords, | ||
485 | niro | 1693 | .entryStart = LT_KERNEL, |
486 | niro | 1692 | .needsBootPrefix = 1, |
487 | .argsInQuotes = 1, | ||
488 | .maxTitleLength = 15, | ||
489 | .mbAllowExtraInitRds = 1, | ||
490 | niro | 532 | }; |
491 | |||
492 | struct configFileInfo siloConfigType = { | ||
493 | niro | 1692 | .defaultConfig = "/etc/silo.conf", |
494 | .keywords = siloKeywords, | ||
495 | niro | 1693 | .entryStart = LT_KERNEL, |
496 | niro | 1692 | .needsBootPrefix = 1, |
497 | .argsInQuotes = 1, | ||
498 | .maxTitleLength = 15, | ||
499 | niro | 532 | }; |
500 | |||
501 | struct configFileInfo ziplConfigType = { | ||
502 | niro | 1692 | .defaultConfig = "/etc/zipl.conf", |
503 | .keywords = ziplKeywords, | ||
504 | niro | 1693 | .entryStart = LT_TITLE, |
505 | niro | 1692 | .argsInQuotes = 1, |
506 | .titleBracketed = 1, | ||
507 | niro | 532 | }; |
508 | |||
509 | niro | 914 | struct configFileInfo extlinuxConfigType = { |
510 | niro | 1692 | .defaultConfig = "/boot/extlinux/extlinux.conf", |
511 | .keywords = extlinuxKeywords, | ||
512 | niro | 2056 | .caseInsensitive = 1, |
513 | niro | 1693 | .entryStart = LT_TITLE, |
514 | niro | 1692 | .needsBootPrefix = 1, |
515 | .maxTitleLength = 255, | ||
516 | .mbAllowExtraInitRds = 1, | ||
517 | niro | 914 | }; |
518 | |||
519 | niro | 532 | struct grubConfig { |
520 | struct singleLine * theLines; | ||
521 | struct singleEntry * entries; | ||
522 | char * primaryIndent; | ||
523 | char * secondaryIndent; | ||
524 | int defaultImage; /* -1 if none specified -- this value is | ||
525 | * written out, overriding original */ | ||
526 | int fallbackImage; /* just like defaultImage */ | ||
527 | int flags; | ||
528 | struct configFileInfo * cfi; | ||
529 | }; | ||
530 | |||
531 | niro | 1156 | blkid_cache blkid; |
532 | |||
533 | niro | 532 | struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index); |
534 | struct singleEntry * findEntryByPath(struct grubConfig * cfg, | ||
535 | const char * path, const char * prefix, | ||
536 | int * index); | ||
537 | static int readFile(int fd, char ** bufPtr); | ||
538 | static void lineInit(struct singleLine * line); | ||
539 | niro | 914 | struct singleLine * lineDup(struct singleLine * line); |
540 | niro | 532 | static void lineFree(struct singleLine * line); |
541 | static int lineWrite(FILE * out, struct singleLine * line, | ||
542 | struct configFileInfo * cfi); | ||
543 | static int getNextLine(char ** bufPtr, struct singleLine * line, | ||
544 | struct configFileInfo * cfi); | ||
545 | static char * getRootSpecifier(char * str); | ||
546 | niro | 1696 | static void requote(struct singleLine *line, struct configFileInfo * cfi); |
547 | niro | 914 | static void insertElement(struct singleLine * line, |
548 | const char * item, int insertHere, | ||
549 | struct configFileInfo * cfi); | ||
550 | static void removeElement(struct singleLine * line, int removeHere); | ||
551 | static struct keywordTypes * getKeywordByType(enum lineType_e type, | ||
552 | struct configFileInfo * cfi); | ||
553 | static enum lineType_e getTypeByKeyword(char * keyword, | ||
554 | struct configFileInfo * cfi); | ||
555 | static struct singleLine * getLineByType(enum lineType_e type, | ||
556 | struct singleLine * line); | ||
557 | static int checkForExtLinux(struct grubConfig * config); | ||
558 | struct singleLine * addLineTmpl(struct singleEntry * entry, | ||
559 | struct singleLine * tmplLine, | ||
560 | struct singleLine * prevLine, | ||
561 | const char * val, | ||
562 | struct configFileInfo * cfi); | ||
563 | struct singleLine * addLine(struct singleEntry * entry, | ||
564 | struct configFileInfo * cfi, | ||
565 | enum lineType_e type, char * defaultIndent, | ||
566 | const char * val); | ||
567 | niro | 532 | |
568 | static char * sdupprintf(const char *format, ...) | ||
569 | #ifdef __GNUC__ | ||
570 | __attribute__ ((format (printf, 1, 2))); | ||
571 | #else | ||
572 | ; | ||
573 | #endif | ||
574 | |||
575 | static char * sdupprintf(const char *format, ...) { | ||
576 | char *buf = NULL; | ||
577 | char c; | ||
578 | va_list args; | ||
579 | size_t size = 0; | ||
580 | va_start(args, format); | ||
581 | |||
582 | /* XXX requires C99 vsnprintf behavior */ | ||
583 | size = vsnprintf(&c, 1, format, args) + 1; | ||
584 | if (size == -1) { | ||
585 | printf("ERROR: vsnprintf behavior is not C99\n"); | ||
586 | abort(); | ||
587 | } | ||
588 | |||
589 | va_end(args); | ||
590 | va_start(args, format); | ||
591 | |||
592 | buf = malloc(size); | ||
593 | if (buf == NULL) | ||
594 | return NULL; | ||
595 | vsnprintf(buf, size, format, args); | ||
596 | va_end (args); | ||
597 | |||
598 | return buf; | ||
599 | } | ||
600 | |||
601 | niro | 1940 | static enum lineType_e preferredLineType(enum lineType_e type, |
602 | struct configFileInfo *cfi) { | ||
603 | if (isEfi && cfi == &grub2ConfigType) { | ||
604 | switch (type) { | ||
605 | case LT_KERNEL: | ||
606 | return LT_KERNEL_EFI; | ||
607 | case LT_INITRD: | ||
608 | return LT_INITRD_EFI; | ||
609 | default: | ||
610 | return type; | ||
611 | } | ||
612 | } | ||
613 | return type; | ||
614 | } | ||
615 | |||
616 | niro | 914 | static struct keywordTypes * getKeywordByType(enum lineType_e type, |
617 | struct configFileInfo * cfi) { | ||
618 | niro | 1846 | for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) { |
619 | niro | 914 | if (kw->type == type) |
620 | return kw; | ||
621 | } | ||
622 | return NULL; | ||
623 | } | ||
624 | |||
625 | niro | 1696 | static char *getKeyByType(enum lineType_e type, struct configFileInfo * cfi) { |
626 | struct keywordTypes *kt = getKeywordByType(type, cfi); | ||
627 | if (kt) | ||
628 | return kt->key; | ||
629 | return "unknown"; | ||
630 | } | ||
631 | |||
632 | niro | 914 | static char * getpathbyspec(char *device) { |
633 | if (!blkid) | ||
634 | blkid_get_cache(&blkid, NULL); | ||
635 | |||
636 | return blkid_get_devname(blkid, device, NULL); | ||
637 | } | ||
638 | |||
639 | niro | 1156 | static char * getuuidbydev(char *device) { |
640 | if (!blkid) | ||
641 | blkid_get_cache(&blkid, NULL); | ||
642 | |||
643 | return blkid_get_tag_value(blkid, "UUID", device); | ||
644 | } | ||
645 | |||
646 | niro | 914 | static enum lineType_e getTypeByKeyword(char * keyword, |
647 | struct configFileInfo * cfi) { | ||
648 | niro | 1846 | for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) { |
649 | niro | 2056 | if (cfi->caseInsensitive) { |
650 | if (!strcasecmp(keyword, kw->key)) | ||
651 | return kw->type; | ||
652 | } else { | ||
653 | if (!strcmp(keyword, kw->key)) | ||
654 | return kw->type; | ||
655 | } | ||
656 | niro | 914 | } |
657 | return LT_UNKNOWN; | ||
658 | } | ||
659 | |||
660 | static struct singleLine * getLineByType(enum lineType_e type, | ||
661 | struct singleLine * line) { | ||
662 | dbgPrintf("getLineByType(%d): ", type); | ||
663 | for (; line; line = line->next) { | ||
664 | dbgPrintf("%d:%s ", line->type, | ||
665 | line->numElements ? line->elements[0].item : "(empty)"); | ||
666 | if (line->type & type) break; | ||
667 | } | ||
668 | dbgPrintf(line ? "\n" : " (failed)\n"); | ||
669 | return line; | ||
670 | } | ||
671 | |||
672 | niro | 532 | static int isBracketedTitle(struct singleLine * line) { |
673 | niro | 914 | if (line->numElements == 1 && *line->elements[0].item == '[') { |
674 | niro | 532 | int len = strlen(line->elements[0].item); |
675 | if (*(line->elements[0].item + len - 1) == ']') { | ||
676 | /* FIXME: this is a hack... */ | ||
677 | if (strcmp(line->elements[0].item, "[defaultboot]")) { | ||
678 | return 1; | ||
679 | } | ||
680 | } | ||
681 | } | ||
682 | return 0; | ||
683 | } | ||
684 | |||
685 | niro | 1693 | static int isEntryStart(struct singleLine * line, |
686 | niro | 532 | struct configFileInfo * cfi) { |
687 | niro | 1693 | return line->type == cfi->entryStart || line->type == LT_OTHER || |
688 | niro | 914 | (cfi->titleBracketed && isBracketedTitle(line)); |
689 | niro | 532 | } |
690 | |||
691 | /* extract the title from within brackets (for zipl) */ | ||
692 | static char * extractTitle(struct singleLine * line) { | ||
693 | /* bracketed title... let's extract it (leaks a byte) */ | ||
694 | char * title; | ||
695 | title = strdup(line->elements[0].item); | ||
696 | title++; | ||
697 | *(title + strlen(title) - 1) = '\0'; | ||
698 | return title; | ||
699 | } | ||
700 | |||
701 | static int readFile(int fd, char ** bufPtr) { | ||
702 | int alloced = 0, size = 0, i = 0; | ||
703 | char * buf = NULL; | ||
704 | |||
705 | do { | ||
706 | size += i; | ||
707 | if ((size + 1024) > alloced) { | ||
708 | alloced += 4096; | ||
709 | buf = realloc(buf, alloced + 1); | ||
710 | } | ||
711 | } while ((i = read(fd, buf + size, 1024)) > 0); | ||
712 | |||
713 | if (i < 0) { | ||
714 | fprintf(stderr, _("error reading input: %s\n"), strerror(errno)); | ||
715 | free(buf); | ||
716 | return 1; | ||
717 | } | ||
718 | |||
719 | buf = realloc(buf, size + 2); | ||
720 | if (size == 0) | ||
721 | buf[size++] = '\n'; | ||
722 | else | ||
723 | if (buf[size - 1] != '\n') | ||
724 | buf[size++] = '\n'; | ||
725 | buf[size] = '\0'; | ||
726 | |||
727 | *bufPtr = buf; | ||
728 | |||
729 | return 0; | ||
730 | } | ||
731 | |||
732 | static void lineInit(struct singleLine * line) { | ||
733 | line->indent = NULL; | ||
734 | line->elements = NULL; | ||
735 | line->numElements = 0; | ||
736 | line->next = NULL; | ||
737 | } | ||
738 | |||
739 | niro | 914 | struct singleLine * lineDup(struct singleLine * line) { |
740 | struct singleLine * newLine = malloc(sizeof(*newLine)); | ||
741 | |||
742 | newLine->indent = strdup(line->indent); | ||
743 | newLine->next = NULL; | ||
744 | newLine->type = line->type; | ||
745 | newLine->numElements = line->numElements; | ||
746 | newLine->elements = malloc(sizeof(*newLine->elements) * | ||
747 | newLine->numElements); | ||
748 | |||
749 | niro | 1846 | for (int i = 0; i < newLine->numElements; i++) { |
750 | niro | 914 | newLine->elements[i].indent = strdup(line->elements[i].indent); |
751 | newLine->elements[i].item = strdup(line->elements[i].item); | ||
752 | } | ||
753 | |||
754 | return newLine; | ||
755 | } | ||
756 | |||
757 | niro | 532 | static void lineFree(struct singleLine * line) { |
758 | if (line->indent) free(line->indent); | ||
759 | |||
760 | niro | 1846 | for (int i = 0; i < line->numElements; i++) { |
761 | niro | 532 | free(line->elements[i].item); |
762 | free(line->elements[i].indent); | ||
763 | } | ||
764 | |||
765 | if (line->elements) free(line->elements); | ||
766 | lineInit(line); | ||
767 | } | ||
768 | |||
769 | static int lineWrite(FILE * out, struct singleLine * line, | ||
770 | struct configFileInfo * cfi) { | ||
771 | if (fprintf(out, "%s", line->indent) == -1) return -1; | ||
772 | |||
773 | niro | 1846 | for (int i = 0; i < line->numElements; i++) { |
774 | niro | 1801 | /* Need to handle this, because we strip the quotes from |
775 | * menuentry when read it. */ | ||
776 | if (line->type == LT_MENUENTRY && i == 1) { | ||
777 | if(!isquote(*line->elements[i].item)) | ||
778 | fprintf(out, "\'%s\'", line->elements[i].item); | ||
779 | else | ||
780 | fprintf(out, "%s", line->elements[i].item); | ||
781 | fprintf(out, "%s", line->elements[i].indent); | ||
782 | |||
783 | continue; | ||
784 | } | ||
785 | |||
786 | niro | 532 | if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes) |
787 | if (fputc('"', out) == EOF) return -1; | ||
788 | |||
789 | if (fprintf(out, "%s", line->elements[i].item) == -1) return -1; | ||
790 | niro | 914 | if (i < line->numElements - 1) |
791 | if (fprintf(out, "%s", line->elements[i].indent) == -1) return -1; | ||
792 | niro | 532 | } |
793 | |||
794 | if (line->type == LT_KERNELARGS && cfi->argsInQuotes) | ||
795 | if (fputc('"', out) == EOF) return -1; | ||
796 | |||
797 | if (fprintf(out, "\n") == -1) return -1; | ||
798 | |||
799 | return 0; | ||
800 | } | ||
801 | |||
802 | /* we've guaranteed that the buffer ends w/ \n\0 */ | ||
803 | static int getNextLine(char ** bufPtr, struct singleLine * line, | ||
804 | struct configFileInfo * cfi) { | ||
805 | char * end; | ||
806 | char * start = *bufPtr; | ||
807 | char * chptr; | ||
808 | int elementsAlloced = 0; | ||
809 | struct lineElement * element; | ||
810 | int first = 1; | ||
811 | |||
812 | lineFree(line); | ||
813 | |||
814 | end = strchr(start, '\n'); | ||
815 | *end = '\0'; | ||
816 | *bufPtr = end + 1; | ||
817 | |||
818 | for (chptr = start; *chptr && isspace(*chptr); chptr++) ; | ||
819 | |||
820 | line->indent = strndup(start, chptr - start); | ||
821 | start = chptr; | ||
822 | |||
823 | while (start < end) { | ||
824 | /* we know !isspace(*start) */ | ||
825 | |||
826 | if (elementsAlloced == line->numElements) { | ||
827 | elementsAlloced += 5; | ||
828 | line->elements = realloc(line->elements, | ||
829 | sizeof(*line->elements) * elementsAlloced); | ||
830 | } | ||
831 | |||
832 | element = line->elements + line->numElements; | ||
833 | |||
834 | chptr = start; | ||
835 | while (*chptr && !isspace(*chptr)) { | ||
836 | if (first && *chptr == '=') break; | ||
837 | chptr++; | ||
838 | } | ||
839 | element->item = strndup(start, chptr - start); | ||
840 | start = chptr; | ||
841 | |||
842 | /* lilo actually accepts the pathological case of append = " foo " */ | ||
843 | if (*start == '=') | ||
844 | chptr = start + 1; | ||
845 | else | ||
846 | chptr = start; | ||
847 | |||
848 | do { | ||
849 | for (; *chptr && isspace(*chptr); chptr++); | ||
850 | if (*chptr == '=') | ||
851 | chptr = chptr + 1; | ||
852 | } while (isspace(*chptr)); | ||
853 | |||
854 | element->indent = strndup(start, chptr - start); | ||
855 | start = chptr; | ||
856 | |||
857 | line->numElements++; | ||
858 | first = 0; | ||
859 | } | ||
860 | |||
861 | if (!line->numElements) | ||
862 | line->type = LT_WHITESPACE; | ||
863 | else { | ||
864 | niro | 914 | line->type = getTypeByKeyword(line->elements[0].item, cfi); |
865 | if (line->type == LT_UNKNOWN) { | ||
866 | niro | 532 | /* zipl does [title] instead of something reasonable like all |
867 | * the other boot loaders. kind of ugly */ | ||
868 | if (cfi->titleBracketed && isBracketedTitle(line)) { | ||
869 | line->type = LT_TITLE; | ||
870 | } | ||
871 | |||
872 | /* this is awkward, but we need to be able to handle keywords | ||
873 | that begin with a # (specifically for #boot in grub.conf), | ||
874 | but still make comments lines with no elements (everything | ||
875 | stored in the indent */ | ||
876 | if (*line->elements[0].item == '#') { | ||
877 | char * fullLine; | ||
878 | int len; | ||
879 | |||
880 | len = strlen(line->indent); | ||
881 | niro | 1846 | for (int i = 0; i < line->numElements; i++) |
882 | niro | 532 | len += strlen(line->elements[i].item) + |
883 | strlen(line->elements[i].indent); | ||
884 | |||
885 | fullLine = malloc(len + 1); | ||
886 | strcpy(fullLine, line->indent); | ||
887 | free(line->indent); | ||
888 | line->indent = fullLine; | ||
889 | |||
890 | niro | 1846 | for (int i = 0; i < line->numElements; i++) { |
891 | niro | 532 | strcat(fullLine, line->elements[i].item); |
892 | strcat(fullLine, line->elements[i].indent); | ||
893 | free(line->elements[i].item); | ||
894 | free(line->elements[i].indent); | ||
895 | } | ||
896 | |||
897 | line->type = LT_WHITESPACE; | ||
898 | line->numElements = 0; | ||
899 | } | ||
900 | niro | 914 | } else { |
901 | struct keywordTypes *kw; | ||
902 | |||
903 | kw = getKeywordByType(line->type, cfi); | ||
904 | |||
905 | /* space isn't the only separator, we need to split | ||
906 | * elements up more | ||
907 | */ | ||
908 | if (!isspace(kw->separatorChar)) { | ||
909 | char indent[2] = ""; | ||
910 | indent[0] = kw->separatorChar; | ||
911 | niro | 1846 | for (int i = 1; i < line->numElements; i++) { |
912 | niro | 914 | char *p; |
913 | int numNewElements; | ||
914 | |||
915 | numNewElements = 0; | ||
916 | p = line->elements[i].item; | ||
917 | while (*p != '\0') { | ||
918 | if (*p == kw->separatorChar) | ||
919 | numNewElements++; | ||
920 | p++; | ||
921 | } | ||
922 | if (line->numElements + numNewElements >= elementsAlloced) { | ||
923 | elementsAlloced += numNewElements + 5; | ||
924 | line->elements = realloc(line->elements, | ||
925 | sizeof(*line->elements) * elementsAlloced); | ||
926 | } | ||
927 | |||
928 | niro | 1846 | for (int j = line->numElements; j > i; j--) { |
929 | niro | 914 | line->elements[j + numNewElements] = line->elements[j]; |
930 | } | ||
931 | line->numElements += numNewElements; | ||
932 | |||
933 | p = line->elements[i].item; | ||
934 | while (*p != '\0') { | ||
935 | |||
936 | while (*p != kw->separatorChar && *p != '\0') p++; | ||
937 | if (*p == '\0') { | ||
938 | break; | ||
939 | } | ||
940 | |||
941 | niro | 1840 | line->elements[i + 1].indent = line->elements[i].indent; |
942 | niro | 914 | line->elements[i].indent = strdup(indent); |
943 | *p++ = '\0'; | ||
944 | i++; | ||
945 | line->elements[i].item = strdup(p); | ||
946 | } | ||
947 | } | ||
948 | } | ||
949 | niro | 532 | } |
950 | } | ||
951 | |||
952 | return 0; | ||
953 | } | ||
954 | |||
955 | static struct grubConfig * readConfig(const char * inName, | ||
956 | struct configFileInfo * cfi) { | ||
957 | int in; | ||
958 | char * incoming = NULL, * head; | ||
959 | int rc; | ||
960 | int sawEntry = 0; | ||
961 | int movedLine = 0; | ||
962 | struct grubConfig * cfg; | ||
963 | struct singleLine * last = NULL, * line, * defaultLine = NULL; | ||
964 | char * end; | ||
965 | struct singleEntry * entry = NULL; | ||
966 | niro | 1846 | int len; |
967 | niro | 532 | char * buf; |
968 | |||
969 | niro | 2246 | if (inName == NULL) { |
970 | printf("Could not find bootloader configuration\n"); | ||
971 | exit(1); | ||
972 | } else if (!strcmp(inName, "-")) { | ||
973 | niro | 532 | in = 0; |
974 | } else { | ||
975 | if ((in = open(inName, O_RDONLY)) < 0) { | ||
976 | fprintf(stderr, _("error opening %s for read: %s\n"), | ||
977 | inName, strerror(errno)); | ||
978 | return NULL; | ||
979 | } | ||
980 | } | ||
981 | |||
982 | rc = readFile(in, &incoming); | ||
983 | close(in); | ||
984 | if (rc) return NULL; | ||
985 | |||
986 | head = incoming; | ||
987 | cfg = malloc(sizeof(*cfg)); | ||
988 | cfg->primaryIndent = strdup(""); | ||
989 | cfg->secondaryIndent = strdup("\t"); | ||
990 | cfg->flags = GRUB_CONFIG_NO_DEFAULT; | ||
991 | cfg->cfi = cfi; | ||
992 | cfg->theLines = NULL; | ||
993 | cfg->entries = NULL; | ||
994 | cfg->fallbackImage = 0; | ||
995 | |||
996 | /* copy everything we have */ | ||
997 | while (*head) { | ||
998 | line = malloc(sizeof(*line)); | ||
999 | lineInit(line); | ||
1000 | |||
1001 | if (getNextLine(&head, line, cfi)) { | ||
1002 | free(line); | ||
1003 | /* XXX memory leak of everything in cfg */ | ||
1004 | return NULL; | ||
1005 | } | ||
1006 | |||
1007 | if (!sawEntry && line->numElements) { | ||
1008 | free(cfg->primaryIndent); | ||
1009 | cfg->primaryIndent = strdup(line->indent); | ||
1010 | } else if (line->numElements) { | ||
1011 | free(cfg->secondaryIndent); | ||
1012 | cfg->secondaryIndent = strdup(line->indent); | ||
1013 | } | ||
1014 | |||
1015 | niro | 1727 | if (isEntryStart(line, cfi) || (cfg->entries && !sawEntry)) { |
1016 | niro | 532 | sawEntry = 1; |
1017 | if (!entry) { | ||
1018 | cfg->entries = malloc(sizeof(*entry)); | ||
1019 | entry = cfg->entries; | ||
1020 | } else { | ||
1021 | entry->next = malloc(sizeof(*entry)); | ||
1022 | entry = entry->next; | ||
1023 | } | ||
1024 | |||
1025 | entry->skip = 0; | ||
1026 | entry->multiboot = 0; | ||
1027 | entry->lines = NULL; | ||
1028 | entry->next = NULL; | ||
1029 | } | ||
1030 | |||
1031 | niro | 1696 | if (line->type == LT_SET_VARIABLE) { |
1032 | dbgPrintf("found 'set' command (%d elements): ", line->numElements); | ||
1033 | dbgPrintf("%s", line->indent); | ||
1034 | niro | 1846 | for (int i = 0; i < line->numElements; i++) |
1035 | niro | 1840 | dbgPrintf("\"%s\"%s", line->elements[i].item, line->elements[i].indent); |
1036 | niro | 1696 | dbgPrintf("\n"); |
1037 | struct keywordTypes *kwType = getKeywordByType(LT_DEFAULT, cfi); | ||
1038 | if (kwType && line->numElements == 3 && | ||
1039 | !strcmp(line->elements[1].item, kwType->key)) { | ||
1040 | dbgPrintf("Line sets default config\n"); | ||
1041 | cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT; | ||
1042 | defaultLine = line; | ||
1043 | } | ||
1044 | } else if (line->type == LT_DEFAULT && line->numElements == 2) { | ||
1045 | niro | 532 | cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT; |
1046 | defaultLine = line; | ||
1047 | niro | 914 | |
1048 | niro | 1940 | } else if (iskernel(line->type)) { |
1049 | niro | 914 | /* if by some freak chance this is multiboot and the "module" |
1050 | * lines came earlier in the template, make sure to use LT_HYPER | ||
1051 | * instead of LT_KERNEL now | ||
1052 | */ | ||
1053 | if (entry->multiboot) | ||
1054 | line->type = LT_HYPER; | ||
1055 | |||
1056 | niro | 532 | } else if (line->type == LT_MBMODULE) { |
1057 | niro | 914 | /* go back and fix the LT_KERNEL line to indicate LT_HYPER |
1058 | * instead, now that we know this is a multiboot entry. | ||
1059 | * This only applies to grub, but that's the only place we | ||
1060 | * should find LT_MBMODULE lines anyway. | ||
1061 | */ | ||
1062 | niro | 1846 | for (struct singleLine *l = entry->lines; l; l = l->next) { |
1063 | niro | 914 | if (l->type == LT_HYPER) |
1064 | break; | ||
1065 | niro | 1940 | else if (iskernel(l->type)) { |
1066 | niro | 914 | l->type = LT_HYPER; |
1067 | break; | ||
1068 | } | ||
1069 | } | ||
1070 | niro | 532 | entry->multiboot = 1; |
1071 | niro | 914 | |
1072 | } else if (line->type == LT_HYPER) { | ||
1073 | entry->multiboot = 1; | ||
1074 | |||
1075 | niro | 532 | } else if (line->type == LT_FALLBACK && line->numElements == 2) { |
1076 | cfg->fallbackImage = strtol(line->elements[1].item, &end, 10); | ||
1077 | if (*end) cfg->fallbackImage = -1; | ||
1078 | niro | 914 | |
1079 | niro | 532 | } else if (line->type == LT_TITLE && line->numElements > 1) { |
1080 | /* make the title a single argument (undoing our parsing) */ | ||
1081 | len = 0; | ||
1082 | niro | 1846 | for (int i = 1; i < line->numElements; i++) { |
1083 | niro | 532 | len += strlen(line->elements[i].item); |
1084 | len += strlen(line->elements[i].indent); | ||
1085 | } | ||
1086 | buf = malloc(len + 1); | ||
1087 | *buf = '\0'; | ||
1088 | |||
1089 | niro | 1846 | for (int i = 1; i < line->numElements; i++) { |
1090 | niro | 532 | strcat(buf, line->elements[i].item); |
1091 | free(line->elements[i].item); | ||
1092 | |||
1093 | if ((i + 1) != line->numElements) { | ||
1094 | strcat(buf, line->elements[i].indent); | ||
1095 | free(line->elements[i].indent); | ||
1096 | } | ||
1097 | } | ||
1098 | |||
1099 | line->elements[1].indent = | ||
1100 | line->elements[line->numElements - 1].indent; | ||
1101 | line->elements[1].item = buf; | ||
1102 | line->numElements = 2; | ||
1103 | niro | 1801 | } else if (line->type == LT_MENUENTRY && line->numElements > 3) { |
1104 | /* let --remove-kernel="TITLE=what" work */ | ||
1105 | len = 0; | ||
1106 | char *extras; | ||
1107 | char *title; | ||
1108 | niro | 914 | |
1109 | niro | 1846 | for (int i = 1; i < line->numElements; i++) { |
1110 | niro | 1801 | len += strlen(line->elements[i].item); |
1111 | len += strlen(line->elements[i].indent); | ||
1112 | } | ||
1113 | buf = malloc(len + 1); | ||
1114 | *buf = '\0'; | ||
1115 | |||
1116 | /* allocate mem for extra flags. */ | ||
1117 | extras = malloc(len + 1); | ||
1118 | *extras = '\0'; | ||
1119 | |||
1120 | /* get title. */ | ||
1121 | niro | 1846 | for (int i = 0; i < line->numElements; i++) { |
1122 | niro | 1801 | if (!strcmp(line->elements[i].item, "menuentry")) |
1123 | continue; | ||
1124 | if (isquote(*line->elements[i].item)) | ||
1125 | title = line->elements[i].item + 1; | ||
1126 | else | ||
1127 | title = line->elements[i].item; | ||
1128 | |||
1129 | len = strlen(title); | ||
1130 | if (isquote(title[len-1])) { | ||
1131 | strncat(buf, title,len-1); | ||
1132 | break; | ||
1133 | } else { | ||
1134 | strcat(buf, title); | ||
1135 | strcat(buf, line->elements[i].indent); | ||
1136 | } | ||
1137 | } | ||
1138 | |||
1139 | /* get extras */ | ||
1140 | int count = 0; | ||
1141 | niro | 1846 | for (int i = 0; i < line->numElements; i++) { |
1142 | niro | 1837 | if (count >= 2) { |
1143 | niro | 1801 | strcat(extras, line->elements[i].item); |
1144 | strcat(extras, line->elements[i].indent); | ||
1145 | } | ||
1146 | |||
1147 | if (!strcmp(line->elements[i].item, "menuentry")) | ||
1148 | continue; | ||
1149 | |||
1150 | /* count ' or ", there should be two in menuentry line. */ | ||
1151 | if (isquote(*line->elements[i].item)) | ||
1152 | count++; | ||
1153 | |||
1154 | len = strlen(line->elements[i].item); | ||
1155 | |||
1156 | if (isquote(line->elements[i].item[len -1])) | ||
1157 | count++; | ||
1158 | |||
1159 | /* ok, we get the final ' or ", others are extras. */ | ||
1160 | } | ||
1161 | line->elements[1].indent = | ||
1162 | line->elements[line->numElements - 2].indent; | ||
1163 | line->elements[1].item = buf; | ||
1164 | line->elements[2].indent = | ||
1165 | line->elements[line->numElements - 2].indent; | ||
1166 | line->elements[2].item = extras; | ||
1167 | line->numElements = 3; | ||
1168 | niro | 532 | } else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) { |
1169 | /* Strip off any " which may be present; they'll be put back | ||
1170 | on write. This is one of the few (the only?) places that grubby | ||
1171 | canonicalizes the output */ | ||
1172 | |||
1173 | if (line->numElements >= 2) { | ||
1174 | int last, len; | ||
1175 | |||
1176 | niro | 1801 | if (isquote(*line->elements[1].item)) |
1177 | niro | 914 | memmove(line->elements[1].item, line->elements[1].item + 1, |
1178 | strlen(line->elements[1].item + 1) + 1); | ||
1179 | niro | 532 | |
1180 | last = line->numElements - 1; | ||
1181 | len = strlen(line->elements[last].item) - 1; | ||
1182 | niro | 1801 | if (isquote(line->elements[last].item[len])) |
1183 | niro | 532 | line->elements[last].item[len] = '\0'; |
1184 | } | ||
1185 | } | ||
1186 | |||
1187 | /* If we find a generic config option which should live at the | ||
1188 | top of the file, move it there. Old versions of grubby were | ||
1189 | probably responsible for putting new images in the wrong | ||
1190 | place in front of it anyway. */ | ||
1191 | if (sawEntry && line->type == LT_GENERIC) { | ||
1192 | struct singleLine **l = &cfg->theLines; | ||
1193 | struct singleLine **last_nonws = &cfg->theLines; | ||
1194 | while (*l) { | ||
1195 | if ((*l)->type != LT_WHITESPACE) | ||
1196 | last_nonws = &((*l)->next); | ||
1197 | l = &((*l)->next); | ||
1198 | } | ||
1199 | line->next = *last_nonws; | ||
1200 | *last_nonws = line; | ||
1201 | movedLine = 1; | ||
1202 | continue; /* without setting 'last' */ | ||
1203 | } | ||
1204 | niro | 914 | |
1205 | niro | 532 | /* If a second line of whitespace happens after a generic option |
1206 | which was moved, drop it. */ | ||
1207 | if (movedLine && line->type == LT_WHITESPACE && last->type == LT_WHITESPACE) { | ||
1208 | lineFree(line); | ||
1209 | free(line); | ||
1210 | movedLine = 0; | ||
1211 | continue; | ||
1212 | } | ||
1213 | movedLine = 0; | ||
1214 | |||
1215 | if (sawEntry) { | ||
1216 | if (!entry->lines) | ||
1217 | entry->lines = line; | ||
1218 | else | ||
1219 | last->next = line; | ||
1220 | niro | 1696 | dbgPrintf("readConfig added %s to %p\n", getKeyByType(line->type, cfi), entry); |
1221 | |||
1222 | /* we could have seen this outside of an entry... if so, we | ||
1223 | * ignore it like any other line we don't grok */ | ||
1224 | if (line->type == LT_ENTRY_END && sawEntry) | ||
1225 | sawEntry = 0; | ||
1226 | niro | 532 | } else { |
1227 | if (!cfg->theLines) | ||
1228 | cfg->theLines = line; | ||
1229 | niro | 914 | else |
1230 | niro | 532 | last->next = line; |
1231 | niro | 1696 | dbgPrintf("readConfig added %s to cfg\n", getKeyByType(line->type, cfi)); |
1232 | niro | 532 | } |
1233 | |||
1234 | last = line; | ||
1235 | } | ||
1236 | |||
1237 | free(incoming); | ||
1238 | |||
1239 | niro | 1696 | dbgPrintf("defaultLine is %s\n", defaultLine ? "set" : "unset"); |
1240 | niro | 532 | if (defaultLine) { |
1241 | niro | 1748 | if (defaultLine->numElements > 2 && |
1242 | cfi->defaultSupportSaved && | ||
1243 | !strncmp(defaultLine->elements[2].item,"\"${saved_entry}\"", 16)) { | ||
1244 | cfg->defaultImage = DEFAULT_SAVED_GRUB2; | ||
1245 | } else if (cfi->defaultIsVariable) { | ||
1246 | niro | 1696 | char *value = defaultLine->elements[2].item; |
1247 | while (*value && (*value == '"' || *value == '\'' || | ||
1248 | *value == ' ' || *value == '\t')) | ||
1249 | value++; | ||
1250 | cfg->defaultImage = strtol(value, &end, 10); | ||
1251 | while (*end && (*end == '"' || *end == '\'' || | ||
1252 | *end == ' ' || *end == '\t')) | ||
1253 | end++; | ||
1254 | if (*end) cfg->defaultImage = -1; | ||
1255 | } else if (cfi->defaultSupportSaved && | ||
1256 | niro | 532 | !strncmp(defaultLine->elements[1].item, "saved", 5)) { |
1257 | cfg->defaultImage = DEFAULT_SAVED; | ||
1258 | } else if (cfi->defaultIsIndex) { | ||
1259 | cfg->defaultImage = strtol(defaultLine->elements[1].item, &end, 10); | ||
1260 | if (*end) cfg->defaultImage = -1; | ||
1261 | } else if (defaultLine->numElements >= 2) { | ||
1262 | niro | 1846 | int i = 0; |
1263 | niro | 532 | while ((entry = findEntryByIndex(cfg, i))) { |
1264 | for (line = entry->lines; line; line = line->next) | ||
1265 | if (line->type == LT_TITLE) break; | ||
1266 | |||
1267 | if (!cfi->titleBracketed) { | ||
1268 | if (line && (line->numElements >= 2) && | ||
1269 | !strcmp(defaultLine->elements[1].item, | ||
1270 | line->elements[1].item)) break; | ||
1271 | } else if (line) { | ||
1272 | if (!strcmp(defaultLine->elements[1].item, | ||
1273 | extractTitle(line))) break; | ||
1274 | } | ||
1275 | i++; | ||
1276 | niro | 914 | entry = NULL; |
1277 | niro | 532 | } |
1278 | |||
1279 | niro | 914 | if (entry){ |
1280 | cfg->defaultImage = i; | ||
1281 | }else{ | ||
1282 | cfg->defaultImage = -1; | ||
1283 | } | ||
1284 | niro | 532 | } |
1285 | niro | 914 | } else { |
1286 | cfg->defaultImage = 0; | ||
1287 | niro | 532 | } |
1288 | |||
1289 | return cfg; | ||
1290 | } | ||
1291 | |||
1292 | static void writeDefault(FILE * out, char * indent, | ||
1293 | char * separator, struct grubConfig * cfg) { | ||
1294 | struct singleEntry * entry; | ||
1295 | struct singleLine * line; | ||
1296 | int i; | ||
1297 | |||
1298 | if (!cfg->defaultImage && cfg->flags == GRUB_CONFIG_NO_DEFAULT) return; | ||
1299 | |||
1300 | if (cfg->defaultImage == DEFAULT_SAVED) | ||
1301 | fprintf(out, "%sdefault%ssaved\n", indent, separator); | ||
1302 | niro | 1748 | else if (cfg->defaultImage == DEFAULT_SAVED_GRUB2) |
1303 | fprintf(out, "%sset default=\"${saved_entry}\"\n", indent); | ||
1304 | niro | 532 | else if (cfg->defaultImage > -1) { |
1305 | if (cfg->cfi->defaultIsIndex) { | ||
1306 | niro | 1696 | if (cfg->cfi->defaultIsVariable) { |
1307 | fprintf(out, "%sset default=\"%d\"\n", indent, | ||
1308 | cfg->defaultImage); | ||
1309 | } else { | ||
1310 | fprintf(out, "%sdefault%s%d\n", indent, separator, | ||
1311 | cfg->defaultImage); | ||
1312 | } | ||
1313 | niro | 532 | } else { |
1314 | int image = cfg->defaultImage; | ||
1315 | |||
1316 | entry = cfg->entries; | ||
1317 | while (entry && entry->skip) entry = entry->next; | ||
1318 | |||
1319 | i = 0; | ||
1320 | while (entry && i < image) { | ||
1321 | entry = entry->next; | ||
1322 | |||
1323 | while (entry && entry->skip) entry = entry->next; | ||
1324 | i++; | ||
1325 | } | ||
1326 | |||
1327 | if (!entry) return; | ||
1328 | |||
1329 | niro | 914 | line = getLineByType(LT_TITLE, entry->lines); |
1330 | niro | 532 | |
1331 | if (line && line->numElements >= 2) | ||
1332 | fprintf(out, "%sdefault%s%s\n", indent, separator, | ||
1333 | line->elements[1].item); | ||
1334 | else if (line && (line->numElements == 1) && | ||
1335 | cfg->cfi->titleBracketed) { | ||
1336 | fprintf(out, "%sdefault%s%s\n", indent, separator, | ||
1337 | extractTitle(line)); | ||
1338 | } | ||
1339 | } | ||
1340 | } | ||
1341 | } | ||
1342 | |||
1343 | static int writeConfig(struct grubConfig * cfg, char * outName, | ||
1344 | const char * prefix) { | ||
1345 | FILE * out; | ||
1346 | struct singleLine * line; | ||
1347 | struct singleEntry * entry; | ||
1348 | char * tmpOutName; | ||
1349 | int needs = MAIN_DEFAULT; | ||
1350 | struct stat sb; | ||
1351 | int i; | ||
1352 | |||
1353 | if (!strcmp(outName, "-")) { | ||
1354 | out = stdout; | ||
1355 | tmpOutName = NULL; | ||
1356 | } else { | ||
1357 | if (!lstat(outName, &sb) && S_ISLNK(sb.st_mode)) { | ||
1358 | char * buf; | ||
1359 | int len = 256; | ||
1360 | int rc; | ||
1361 | |||
1362 | /* most likely the symlink is relative, so change our | ||
1363 | niro | 914 | directory to the dir of the symlink */ |
1364 | niro | 1868 | char *dir = strdupa(outName); |
1365 | niro | 1934 | rc = chdir(dirname(dir)); |
1366 | niro | 532 | do { |
1367 | buf = alloca(len + 1); | ||
1368 | niro | 914 | rc = readlink(basename(outName), buf, len); |
1369 | niro | 532 | if (rc == len) len += 256; |
1370 | } while (rc == len); | ||
1371 | |||
1372 | if (rc < 0) { | ||
1373 | fprintf(stderr, _("grubby: error readlink link %s: %s\n"), | ||
1374 | outName, strerror(errno)); | ||
1375 | return 1; | ||
1376 | } | ||
1377 | |||
1378 | outName = buf; | ||
1379 | outName[rc] = '\0'; | ||
1380 | } | ||
1381 | |||
1382 | tmpOutName = alloca(strlen(outName) + 2); | ||
1383 | sprintf(tmpOutName, "%s-", outName); | ||
1384 | out = fopen(tmpOutName, "w"); | ||
1385 | if (!out) { | ||
1386 | fprintf(stderr, _("grubby: error creating %s: %s\n"), tmpOutName, | ||
1387 | strerror(errno)); | ||
1388 | return 1; | ||
1389 | } | ||
1390 | |||
1391 | if (!stat(outName, &sb)) { | ||
1392 | if (chmod(tmpOutName, sb.st_mode & ~(S_IFMT))) { | ||
1393 | fprintf(stderr, _("grubby: error setting perms on %s: %s\n"), | ||
1394 | tmpOutName, strerror(errno)); | ||
1395 | fclose(out); | ||
1396 | unlink(tmpOutName); | ||
1397 | return 1; | ||
1398 | } | ||
1399 | } | ||
1400 | } | ||
1401 | |||
1402 | line = cfg->theLines; | ||
1403 | niro | 1696 | struct keywordTypes *defaultKw = getKeywordByType(LT_DEFAULT, cfg->cfi); |
1404 | niro | 532 | while (line) { |
1405 | niro | 1696 | if (line->type == LT_SET_VARIABLE && defaultKw && |
1406 | line->numElements == 3 && | ||
1407 | !strcmp(line->elements[1].item, defaultKw->key)) { | ||
1408 | niro | 532 | writeDefault(out, line->indent, line->elements[0].indent, cfg); |
1409 | needs &= ~MAIN_DEFAULT; | ||
1410 | niro | 1696 | } else if (line->type == LT_DEFAULT) { |
1411 | writeDefault(out, line->indent, line->elements[0].indent, cfg); | ||
1412 | needs &= ~MAIN_DEFAULT; | ||
1413 | niro | 532 | } else if (line->type == LT_FALLBACK) { |
1414 | if (cfg->fallbackImage > -1) | ||
1415 | fprintf(out, "%s%s%s%d\n", line->indent, | ||
1416 | line->elements[0].item, line->elements[0].indent, | ||
1417 | cfg->fallbackImage); | ||
1418 | } else { | ||
1419 | if (lineWrite(out, line, cfg->cfi) == -1) { | ||
1420 | fprintf(stderr, _("grubby: error writing %s: %s\n"), | ||
1421 | tmpOutName, strerror(errno)); | ||
1422 | fclose(out); | ||
1423 | unlink(tmpOutName); | ||
1424 | return 1; | ||
1425 | } | ||
1426 | } | ||
1427 | |||
1428 | line = line->next; | ||
1429 | } | ||
1430 | |||
1431 | if (needs & MAIN_DEFAULT) { | ||
1432 | writeDefault(out, cfg->primaryIndent, "=", cfg); | ||
1433 | needs &= ~MAIN_DEFAULT; | ||
1434 | } | ||
1435 | |||
1436 | i = 0; | ||
1437 | while ((entry = findEntryByIndex(cfg, i++))) { | ||
1438 | if (entry->skip) continue; | ||
1439 | |||
1440 | line = entry->lines; | ||
1441 | while (line) { | ||
1442 | if (lineWrite(out, line, cfg->cfi) == -1) { | ||
1443 | fprintf(stderr, _("grubby: error writing %s: %s\n"), | ||
1444 | tmpOutName, strerror(errno)); | ||
1445 | fclose(out); | ||
1446 | unlink(tmpOutName); | ||
1447 | return 1; | ||
1448 | } | ||
1449 | line = line->next; | ||
1450 | } | ||
1451 | } | ||
1452 | |||
1453 | if (tmpOutName) { | ||
1454 | if (rename(tmpOutName, outName)) { | ||
1455 | fprintf(stderr, _("grubby: error moving %s to %s: %s\n"), | ||
1456 | tmpOutName, outName, strerror(errno)); | ||
1457 | unlink(outName); | ||
1458 | return 1; | ||
1459 | } | ||
1460 | } | ||
1461 | |||
1462 | return 0; | ||
1463 | } | ||
1464 | |||
1465 | static int numEntries(struct grubConfig *cfg) { | ||
1466 | int i = 0; | ||
1467 | struct singleEntry * entry; | ||
1468 | |||
1469 | entry = cfg->entries; | ||
1470 | while (entry) { | ||
1471 | if (!entry->skip) | ||
1472 | i++; | ||
1473 | entry = entry->next; | ||
1474 | } | ||
1475 | return i; | ||
1476 | } | ||
1477 | |||
1478 | niro | 1156 | static char *findDiskForRoot() |
1479 | { | ||
1480 | int fd; | ||
1481 | char buf[65536]; | ||
1482 | char *devname; | ||
1483 | char *chptr; | ||
1484 | int rc; | ||
1485 | |||
1486 | if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) { | ||
1487 | fprintf(stderr, "grubby: failed to open %s: %s\n", | ||
1488 | _PATH_MOUNTED, strerror(errno)); | ||
1489 | return NULL; | ||
1490 | } | ||
1491 | |||
1492 | rc = read(fd, buf, sizeof(buf) - 1); | ||
1493 | if (rc <= 0) { | ||
1494 | fprintf(stderr, "grubby: failed to read %s: %s\n", | ||
1495 | _PATH_MOUNTED, strerror(errno)); | ||
1496 | close(fd); | ||
1497 | return NULL; | ||
1498 | } | ||
1499 | close(fd); | ||
1500 | buf[rc] = '\0'; | ||
1501 | chptr = buf; | ||
1502 | |||
1503 | niro | 1841 | char *foundanswer = NULL; |
1504 | |||
1505 | niro | 1156 | while (chptr && chptr != buf+rc) { |
1506 | devname = chptr; | ||
1507 | |||
1508 | /* | ||
1509 | * The first column of a mtab entry is the device, but if the entry is a | ||
1510 | * special device it won't start with /, so move on to the next line. | ||
1511 | */ | ||
1512 | if (*devname != '/') { | ||
1513 | chptr = strchr(chptr, '\n'); | ||
1514 | if (chptr) | ||
1515 | chptr++; | ||
1516 | continue; | ||
1517 | } | ||
1518 | |||
1519 | /* Seek to the next space */ | ||
1520 | chptr = strchr(chptr, ' '); | ||
1521 | if (!chptr) { | ||
1522 | fprintf(stderr, "grubby: error parsing %s: %s\n", | ||
1523 | _PATH_MOUNTED, strerror(errno)); | ||
1524 | return NULL; | ||
1525 | } | ||
1526 | |||
1527 | /* | ||
1528 | * The second column of a mtab entry is the mount point, we are looking | ||
1529 | * for '/' obviously. | ||
1530 | */ | ||
1531 | if (*(++chptr) == '/' && *(++chptr) == ' ') { | ||
1532 | niro | 1841 | /* remember the last / entry in mtab */ |
1533 | foundanswer = devname; | ||
1534 | niro | 1156 | } |
1535 | |||
1536 | /* Next line */ | ||
1537 | chptr = strchr(chptr, '\n'); | ||
1538 | if (chptr) | ||
1539 | chptr++; | ||
1540 | } | ||
1541 | |||
1542 | niro | 1841 | /* Return the last / entry found */ |
1543 | if (foundanswer) { | ||
1544 | chptr = strchr(foundanswer, ' '); | ||
1545 | *chptr = '\0'; | ||
1546 | return strdup(foundanswer); | ||
1547 | } | ||
1548 | |||
1549 | niro | 1156 | return NULL; |
1550 | } | ||
1551 | |||
1552 | niro | 2236 | void printEntry(struct singleEntry * entry, FILE *f) { |
1553 | niro | 1736 | int i; |
1554 | struct singleLine * line; | ||
1555 | |||
1556 | for (line = entry->lines; line; line = line->next) { | ||
1557 | niro | 2236 | log_message(f, "DBG: %s", line->indent); |
1558 | niro | 1736 | for (i = 0; i < line->numElements; i++) { |
1559 | niro | 1801 | /* Need to handle this, because we strip the quotes from |
1560 | * menuentry when read it. */ | ||
1561 | if (line->type == LT_MENUENTRY && i == 1) { | ||
1562 | if(!isquote(*line->elements[i].item)) | ||
1563 | niro | 2236 | log_message(f, "\'%s\'", line->elements[i].item); |
1564 | niro | 1801 | else |
1565 | niro | 2236 | log_message(f, "%s", line->elements[i].item); |
1566 | log_message(f, "%s", line->elements[i].indent); | ||
1567 | niro | 1801 | |
1568 | continue; | ||
1569 | } | ||
1570 | |||
1571 | niro | 2236 | log_message(f, "%s%s", |
1572 | niro | 1736 | line->elements[i].item, line->elements[i].indent); |
1573 | } | ||
1574 | niro | 2236 | log_message(f, "\n"); |
1575 | niro | 1736 | } |
1576 | } | ||
1577 | |||
1578 | niro | 2236 | void notSuitablePrintf(struct singleEntry * entry, int okay, const char *fmt, ...) |
1579 | niro | 1736 | { |
1580 | niro | 2236 | static int once; |
1581 | va_list argp, argq; | ||
1582 | niro | 1736 | |
1583 | niro | 2236 | va_start(argp, fmt); |
1584 | |||
1585 | va_copy(argq, argp); | ||
1586 | if (!once) { | ||
1587 | log_time(NULL); | ||
1588 | log_message(NULL, "command line: %s\n", saved_command_line); | ||
1589 | } | ||
1590 | log_message(NULL, "DBG: Image entry %s: ", okay ? "succeeded" : "failed"); | ||
1591 | log_vmessage(NULL, fmt, argq); | ||
1592 | |||
1593 | printEntry(entry, NULL); | ||
1594 | va_end(argq); | ||
1595 | |||
1596 | if (!debug) { | ||
1597 | once = 1; | ||
1598 | va_end(argp); | ||
1599 | niro | 1736 | return; |
1600 | niro | 2236 | } |
1601 | niro | 1736 | |
1602 | niro | 2236 | if (okay) { |
1603 | va_end(argp); | ||
1604 | return; | ||
1605 | } | ||
1606 | |||
1607 | if (!once) | ||
1608 | log_message(stderr, "DBG: command line: %s\n", saved_command_line); | ||
1609 | once = 1; | ||
1610 | niro | 1736 | fprintf(stderr, "DBG: Image entry failed: "); |
1611 | vfprintf(stderr, fmt, argp); | ||
1612 | niro | 2236 | printEntry(entry, stderr); |
1613 | niro | 1736 | va_end(argp); |
1614 | } | ||
1615 | |||
1616 | niro | 1745 | #define beginswith(s, c) ((s) && (s)[0] == (c)) |
1617 | |||
1618 | static int endswith(const char *s, char c) | ||
1619 | { | ||
1620 | int slen; | ||
1621 | |||
1622 | niro | 1750 | if (!s || !s[0]) |
1623 | niro | 1745 | return 0; |
1624 | slen = strlen(s) - 1; | ||
1625 | |||
1626 | return s[slen] == c; | ||
1627 | } | ||
1628 | |||
1629 | niro | 532 | int suitableImage(struct singleEntry * entry, const char * bootPrefix, |
1630 | int skipRemoved, int flags) { | ||
1631 | struct singleLine * line; | ||
1632 | char * fullName; | ||
1633 | int i; | ||
1634 | char * dev; | ||
1635 | char * rootspec; | ||
1636 | niro | 1156 | char * rootdev; |
1637 | niro | 532 | |
1638 | niro | 1736 | if (skipRemoved && entry->skip) { |
1639 | niro | 2236 | notSuitablePrintf(entry, 0, "marked to skip\n"); |
1640 | niro | 1736 | return 0; |
1641 | } | ||
1642 | niro | 532 | |
1643 | niro | 1940 | line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI, entry->lines); |
1644 | niro | 1736 | if (!line) { |
1645 | niro | 2236 | notSuitablePrintf(entry, 0, "no line found\n"); |
1646 | niro | 1736 | return 0; |
1647 | } | ||
1648 | if (line->numElements < 2) { | ||
1649 | niro | 2236 | notSuitablePrintf(entry, 0, "line has only %d elements\n", |
1650 | niro | 1736 | line->numElements); |
1651 | return 0; | ||
1652 | } | ||
1653 | niro | 914 | |
1654 | niro | 2236 | if (flags & GRUBBY_BADIMAGE_OKAY) { |
1655 | notSuitablePrintf(entry, 1, "\n"); | ||
1656 | return 1; | ||
1657 | } | ||
1658 | niro | 532 | |
1659 | fullName = alloca(strlen(bootPrefix) + | ||
1660 | strlen(line->elements[1].item) + 1); | ||
1661 | rootspec = getRootSpecifier(line->elements[1].item); | ||
1662 | niro | 1745 | int rootspec_offset = rootspec ? strlen(rootspec) : 0; |
1663 | int hasslash = endswith(bootPrefix, '/') || | ||
1664 | beginswith(line->elements[1].item + rootspec_offset, '/'); | ||
1665 | sprintf(fullName, "%s%s%s", bootPrefix, hasslash ? "" : "/", | ||
1666 | line->elements[1].item + rootspec_offset); | ||
1667 | niro | 1736 | if (access(fullName, R_OK)) { |
1668 | niro | 2236 | notSuitablePrintf(entry, 0, "access to %s failed\n", fullName); |
1669 | niro | 1736 | return 0; |
1670 | } | ||
1671 | niro | 532 | for (i = 2; i < line->numElements; i++) |
1672 | if (!strncasecmp(line->elements[i].item, "root=", 5)) break; | ||
1673 | if (i < line->numElements) { | ||
1674 | dev = line->elements[i].item + 5; | ||
1675 | } else { | ||
1676 | /* look for a lilo style LT_ROOT line */ | ||
1677 | niro | 914 | line = getLineByType(LT_ROOT, entry->lines); |
1678 | niro | 532 | |
1679 | if (line && line->numElements >= 2) { | ||
1680 | dev = line->elements[1].item; | ||
1681 | } else { | ||
1682 | niro | 914 | /* didn't succeed in finding a LT_ROOT, let's try LT_KERNELARGS. |
1683 | * grub+multiboot uses LT_MBMODULE for the args, so check that too. | ||
1684 | */ | ||
1685 | line = getLineByType(LT_KERNELARGS|LT_MBMODULE, entry->lines); | ||
1686 | niro | 532 | |
1687 | /* failed to find one */ | ||
1688 | niro | 1736 | if (!line) { |
1689 | niro | 2236 | notSuitablePrintf(entry, 0, "no line found\n"); |
1690 | niro | 1736 | return 0; |
1691 | } | ||
1692 | niro | 532 | |
1693 | for (i = 1; i < line->numElements; i++) | ||
1694 | if (!strncasecmp(line->elements[i].item, "root=", 5)) break; | ||
1695 | if (i < line->numElements) | ||
1696 | dev = line->elements[i].item + 5; | ||
1697 | else { | ||
1698 | niro | 2236 | notSuitablePrintf(entry, 0, "no root= entry found\n"); |
1699 | niro | 532 | /* it failed too... can't find root= */ |
1700 | return 0; | ||
1701 | } | ||
1702 | } | ||
1703 | } | ||
1704 | |||
1705 | niro | 914 | dev = getpathbyspec(dev); |
1706 | niro | 1736 | if (!getpathbyspec(dev)) { |
1707 | niro | 2236 | notSuitablePrintf(entry, 0, "can't find blkid entry for %s\n", dev); |
1708 | niro | 914 | return 0; |
1709 | niro | 1736 | } else |
1710 | dev = getpathbyspec(dev); | ||
1711 | niro | 532 | |
1712 | niro | 1156 | rootdev = findDiskForRoot(); |
1713 | niro | 1736 | if (!rootdev) { |
1714 | niro | 2236 | notSuitablePrintf(entry, 0, "can't find root device\n"); |
1715 | niro | 914 | return 0; |
1716 | niro | 1736 | } |
1717 | niro | 914 | |
1718 | niro | 1177 | if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) { |
1719 | niro | 2236 | notSuitablePrintf(entry, 0, "uuid missing: rootdev %s, dev %s\n", |
1720 | niro | 1736 | getuuidbydev(rootdev), getuuidbydev(dev)); |
1721 | niro | 1177 | free(rootdev); |
1722 | return 0; | ||
1723 | } | ||
1724 | niro | 532 | |
1725 | niro | 1156 | if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) { |
1726 | niro | 2236 | notSuitablePrintf(entry, 0, "uuid mismatch: rootdev %s, dev %s\n", |
1727 | niro | 1736 | getuuidbydev(rootdev), getuuidbydev(dev)); |
1728 | niro | 1156 | free(rootdev); |
1729 | niro | 914 | return 0; |
1730 | niro | 1156 | } |
1731 | niro | 532 | |
1732 | niro | 1156 | free(rootdev); |
1733 | niro | 2236 | notSuitablePrintf(entry, 1, "\n"); |
1734 | niro | 1156 | |
1735 | niro | 532 | return 1; |
1736 | } | ||
1737 | |||
1738 | /* returns the first match on or after the one pointed to by index (if index | ||
1739 | is not NULL) which is not marked as skip */ | ||
1740 | struct singleEntry * findEntryByPath(struct grubConfig * config, | ||
1741 | const char * kernel, const char * prefix, | ||
1742 | int * index) { | ||
1743 | struct singleEntry * entry = NULL; | ||
1744 | struct singleLine * line; | ||
1745 | int i; | ||
1746 | char * chptr; | ||
1747 | char * rootspec = NULL; | ||
1748 | enum lineType_e checkType = LT_KERNEL; | ||
1749 | |||
1750 | if (isdigit(*kernel)) { | ||
1751 | int * indexVars = alloca(sizeof(*indexVars) * strlen(kernel)); | ||
1752 | |||
1753 | i = 0; | ||
1754 | indexVars[i] = strtol(kernel, &chptr, 10); | ||
1755 | while (*chptr == ',') { | ||
1756 | i++; | ||
1757 | kernel = chptr + 1; | ||
1758 | indexVars[i] = strtol(kernel, &chptr, 10); | ||
1759 | } | ||
1760 | |||
1761 | if (*chptr) { | ||
1762 | /* can't parse it, bail */ | ||
1763 | return NULL; | ||
1764 | } | ||
1765 | |||
1766 | indexVars[i + 1] = -1; | ||
1767 | |||
1768 | i = 0; | ||
1769 | if (index) { | ||
1770 | while (i < *index) i++; | ||
1771 | if (indexVars[i] == -1) return NULL; | ||
1772 | } | ||
1773 | |||
1774 | entry = findEntryByIndex(config, indexVars[i]); | ||
1775 | if (!entry) return NULL; | ||
1776 | |||
1777 | niro | 1940 | line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI, entry->lines); |
1778 | niro | 532 | if (!line) return NULL; |
1779 | |||
1780 | if (index) *index = indexVars[i]; | ||
1781 | return entry; | ||
1782 | } | ||
1783 | |||
1784 | if (!strcmp(kernel, "DEFAULT")) { | ||
1785 | if (index && *index > config->defaultImage) { | ||
1786 | entry = NULL; | ||
1787 | } else { | ||
1788 | entry = findEntryByIndex(config, config->defaultImage); | ||
1789 | if (entry && entry->skip) | ||
1790 | entry = NULL; | ||
1791 | else if (index) | ||
1792 | *index = config->defaultImage; | ||
1793 | } | ||
1794 | } else if (!strcmp(kernel, "ALL")) { | ||
1795 | if (index) | ||
1796 | i = *index; | ||
1797 | else | ||
1798 | i = 0; | ||
1799 | |||
1800 | while ((entry = findEntryByIndex(config, i))) { | ||
1801 | if (!entry->skip) break; | ||
1802 | i++; | ||
1803 | } | ||
1804 | |||
1805 | if (entry && index) | ||
1806 | *index = i; | ||
1807 | } else { | ||
1808 | if (index) | ||
1809 | i = *index; | ||
1810 | else | ||
1811 | i = 0; | ||
1812 | |||
1813 | if (!strncmp(kernel, "TITLE=", 6)) { | ||
1814 | prefix = ""; | ||
1815 | niro | 1801 | checkType = LT_TITLE|LT_MENUENTRY; |
1816 | niro | 532 | kernel += 6; |
1817 | } | ||
1818 | |||
1819 | niro | 914 | for (entry = findEntryByIndex(config, i); entry; entry = entry->next, i++) { |
1820 | if (entry->skip) continue; | ||
1821 | niro | 532 | |
1822 | niro | 914 | dbgPrintf("findEntryByPath looking for %d %s in %p\n", checkType, kernel, entry); |
1823 | niro | 532 | |
1824 | niro | 914 | /* check all the lines matching checkType */ |
1825 | for (line = entry->lines; line; line = line->next) { | ||
1826 | niro | 2052 | enum lineType_e ct = checkType; |
1827 | if (entry->multiboot && checkType == LT_KERNEL) | ||
1828 | ct = LT_KERNEL|LT_KERNEL_EFI|LT_MBMODULE|LT_HYPER; | ||
1829 | else if (checkType & LT_KERNEL) | ||
1830 | ct = checkType | LT_KERNEL_EFI; | ||
1831 | line = getLineByType(ct, line); | ||
1832 | if (!line) | ||
1833 | break; /* not found in this entry */ | ||
1834 | niro | 532 | |
1835 | niro | 1801 | if (line && line->type != LT_MENUENTRY && |
1836 | line->numElements >= 2) { | ||
1837 | niro | 914 | rootspec = getRootSpecifier(line->elements[1].item); |
1838 | if (!strcmp(line->elements[1].item + | ||
1839 | ((rootspec != NULL) ? strlen(rootspec) : 0), | ||
1840 | kernel + strlen(prefix))) | ||
1841 | break; | ||
1842 | } | ||
1843 | niro | 1801 | if(line->type == LT_MENUENTRY && |
1844 | !strcmp(line->elements[1].item, kernel)) | ||
1845 | break; | ||
1846 | niro | 914 | } |
1847 | |||
1848 | /* make sure this entry has a kernel identifier; this skips | ||
1849 | * non-Linux boot entries (could find netbsd etc, though, which is | ||
1850 | * unfortunate) | ||
1851 | */ | ||
1852 | niro | 1940 | if (line && getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI, entry->lines)) |
1853 | niro | 914 | break; /* found 'im! */ |
1854 | niro | 532 | } |
1855 | |||
1856 | if (index) *index = i; | ||
1857 | } | ||
1858 | |||
1859 | return entry; | ||
1860 | } | ||
1861 | |||
1862 | struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index) { | ||
1863 | struct singleEntry * entry; | ||
1864 | |||
1865 | entry = cfg->entries; | ||
1866 | while (index && entry) { | ||
1867 | entry = entry->next; | ||
1868 | index--; | ||
1869 | } | ||
1870 | |||
1871 | return entry; | ||
1872 | } | ||
1873 | |||
1874 | /* Find a good template to use for the new kernel. An entry is | ||
1875 | * good if the kernel and mkinitrd exist (even if the entry | ||
1876 | * is going to be removed). Try and use the default entry, but | ||
1877 | * if that doesn't work just take the first. If we can't find one, | ||
1878 | * bail. */ | ||
1879 | struct singleEntry * findTemplate(struct grubConfig * cfg, const char * prefix, | ||
1880 | int * indexPtr, int skipRemoved, int flags) { | ||
1881 | struct singleEntry * entry, * entry2; | ||
1882 | int index; | ||
1883 | |||
1884 | if (cfg->defaultImage > -1) { | ||
1885 | entry = findEntryByIndex(cfg, cfg->defaultImage); | ||
1886 | if (entry && suitableImage(entry, prefix, skipRemoved, flags)) { | ||
1887 | if (indexPtr) *indexPtr = cfg->defaultImage; | ||
1888 | return entry; | ||
1889 | } | ||
1890 | } | ||
1891 | |||
1892 | index = 0; | ||
1893 | while ((entry = findEntryByIndex(cfg, index))) { | ||
1894 | if (suitableImage(entry, prefix, skipRemoved, flags)) { | ||
1895 | int j; | ||
1896 | for (j = 0; j < index; j++) { | ||
1897 | entry2 = findEntryByIndex(cfg, j); | ||
1898 | if (entry2->skip) index--; | ||
1899 | } | ||
1900 | if (indexPtr) *indexPtr = index; | ||
1901 | |||
1902 | return entry; | ||
1903 | } | ||
1904 | |||
1905 | index++; | ||
1906 | } | ||
1907 | |||
1908 | fprintf(stderr, _("grubby fatal error: unable to find a suitable template\n")); | ||
1909 | |||
1910 | return NULL; | ||
1911 | } | ||
1912 | |||
1913 | char * findBootPrefix(void) { | ||
1914 | struct stat sb, sb2; | ||
1915 | |||
1916 | stat("/", &sb); | ||
1917 | #ifdef __ia64__ | ||
1918 | stat("/boot/efi/EFI/redhat/", &sb2); | ||
1919 | #else | ||
1920 | stat("/boot", &sb2); | ||
1921 | #endif | ||
1922 | |||
1923 | if (sb.st_dev == sb2.st_dev) | ||
1924 | return strdup(""); | ||
1925 | |||
1926 | #ifdef __ia64__ | ||
1927 | return strdup("/boot/efi/EFI/redhat/"); | ||
1928 | #else | ||
1929 | return strdup("/boot"); | ||
1930 | #endif | ||
1931 | } | ||
1932 | |||
1933 | void markRemovedImage(struct grubConfig * cfg, const char * image, | ||
1934 | const char * prefix) { | ||
1935 | struct singleEntry * entry; | ||
1936 | |||
1937 | niro | 1801 | if (!image) |
1938 | return; | ||
1939 | niro | 532 | |
1940 | niro | 1801 | /* check and see if we're removing the default image */ |
1941 | if (isdigit(*image)) { | ||
1942 | entry = findEntryByPath(cfg, image, prefix, NULL); | ||
1943 | if(entry) | ||
1944 | entry->skip = 1; | ||
1945 | return; | ||
1946 | } | ||
1947 | |||
1948 | niro | 532 | while ((entry = findEntryByPath(cfg, image, prefix, NULL))) |
1949 | entry->skip = 1; | ||
1950 | } | ||
1951 | |||
1952 | void setDefaultImage(struct grubConfig * config, int hasNew, | ||
1953 | const char * defaultKernelPath, int newIsDefault, | ||
1954 | niro | 1859 | const char * prefix, int flags, int index) { |
1955 | niro | 532 | struct singleEntry * entry, * entry2, * newDefault; |
1956 | int i, j; | ||
1957 | |||
1958 | if (newIsDefault) { | ||
1959 | config->defaultImage = 0; | ||
1960 | return; | ||
1961 | niro | 1859 | } else if ((index >= 0) && config->cfi->defaultIsIndex) { |
1962 | if (findEntryByIndex(config, index)) | ||
1963 | config->defaultImage = index; | ||
1964 | else | ||
1965 | config->defaultImage = -1; | ||
1966 | return; | ||
1967 | niro | 532 | } else if (defaultKernelPath) { |
1968 | i = 0; | ||
1969 | if (findEntryByPath(config, defaultKernelPath, prefix, &i)) { | ||
1970 | config->defaultImage = i; | ||
1971 | } else { | ||
1972 | config->defaultImage = -1; | ||
1973 | return; | ||
1974 | } | ||
1975 | } | ||
1976 | |||
1977 | /* defaultImage now points to what we'd like to use, but before any order | ||
1978 | changes */ | ||
1979 | niro | 1748 | if ((config->defaultImage == DEFAULT_SAVED) || |
1980 | (config->defaultImage == DEFAULT_SAVED_GRUB2)) | ||
1981 | niro | 532 | /* default is set to saved, we don't want to change it */ |
1982 | return; | ||
1983 | |||
1984 | if (config->defaultImage > -1) | ||
1985 | entry = findEntryByIndex(config, config->defaultImage); | ||
1986 | else | ||
1987 | entry = NULL; | ||
1988 | |||
1989 | if (entry && !entry->skip) { | ||
1990 | /* we can preserve the default */ | ||
1991 | if (hasNew) | ||
1992 | config->defaultImage++; | ||
1993 | |||
1994 | /* count the number of entries erased before this one */ | ||
1995 | for (j = 0; j < config->defaultImage; j++) { | ||
1996 | entry2 = findEntryByIndex(config, j); | ||
1997 | if (entry2->skip) config->defaultImage--; | ||
1998 | } | ||
1999 | } else if (hasNew) { | ||
2000 | config->defaultImage = 0; | ||
2001 | } else { | ||
2002 | /* Either we just erased the default (or the default line was bad | ||
2003 | * to begin with) and didn't put a new one in. We'll use the first | ||
2004 | * valid image. */ | ||
2005 | newDefault = findTemplate(config, prefix, &config->defaultImage, 1, | ||
2006 | flags); | ||
2007 | if (!newDefault) | ||
2008 | config->defaultImage = -1; | ||
2009 | } | ||
2010 | } | ||
2011 | |||
2012 | void setFallbackImage(struct grubConfig * config, int hasNew) { | ||
2013 | struct singleEntry * entry, * entry2; | ||
2014 | int j; | ||
2015 | |||
2016 | if (config->fallbackImage == -1) return; | ||
2017 | |||
2018 | entry = findEntryByIndex(config, config->fallbackImage); | ||
2019 | if (!entry || entry->skip) { | ||
2020 | config->fallbackImage = -1; | ||
2021 | return; | ||
2022 | } | ||
2023 | |||
2024 | if (hasNew) | ||
2025 | config->fallbackImage++; | ||
2026 | |||
2027 | /* count the number of entries erased before this one */ | ||
2028 | for (j = 0; j < config->fallbackImage; j++) { | ||
2029 | entry2 = findEntryByIndex(config, j); | ||
2030 | if (entry2->skip) config->fallbackImage--; | ||
2031 | } | ||
2032 | } | ||
2033 | |||
2034 | void displayEntry(struct singleEntry * entry, const char * prefix, int index) { | ||
2035 | struct singleLine * line; | ||
2036 | char * root = NULL; | ||
2037 | int i; | ||
2038 | |||
2039 | printf("index=%d\n", index); | ||
2040 | |||
2041 | niro | 1940 | line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI, entry->lines); |
2042 | niro | 914 | if (!line) { |
2043 | printf("non linux entry\n"); | ||
2044 | return; | ||
2045 | } | ||
2046 | |||
2047 | niro | 1849 | if (!strncmp(prefix, line->elements[1].item, strlen(prefix))) |
2048 | printf("kernel=%s\n", line->elements[1].item); | ||
2049 | else | ||
2050 | printf("kernel=%s%s\n", prefix, line->elements[1].item); | ||
2051 | niro | 532 | |
2052 | if (line->numElements >= 3) { | ||
2053 | printf("args=\""); | ||
2054 | i = 2; | ||
2055 | while (i < line->numElements) { | ||
2056 | if (!strncmp(line->elements[i].item, "root=", 5)) { | ||
2057 | root = line->elements[i].item + 5; | ||
2058 | } else { | ||
2059 | printf("%s%s", line->elements[i].item, | ||
2060 | line->elements[i].indent); | ||
2061 | } | ||
2062 | |||
2063 | i++; | ||
2064 | } | ||
2065 | printf("\"\n"); | ||
2066 | } else { | ||
2067 | niro | 914 | line = getLineByType(LT_KERNELARGS, entry->lines); |
2068 | niro | 532 | if (line) { |
2069 | char * s; | ||
2070 | |||
2071 | printf("args=\""); | ||
2072 | i = 1; | ||
2073 | while (i < line->numElements) { | ||
2074 | if (!strncmp(line->elements[i].item, "root=", 5)) { | ||
2075 | root = line->elements[i].item + 5; | ||
2076 | } else { | ||
2077 | s = line->elements[i].item; | ||
2078 | |||
2079 | printf("%s%s", s, line->elements[i].indent); | ||
2080 | } | ||
2081 | |||
2082 | i++; | ||
2083 | } | ||
2084 | |||
2085 | s = line->elements[i - 1].indent; | ||
2086 | printf("\"\n"); | ||
2087 | } | ||
2088 | } | ||
2089 | |||
2090 | if (!root) { | ||
2091 | niro | 914 | line = getLineByType(LT_ROOT, entry->lines); |
2092 | niro | 532 | if (line && line->numElements >= 2) |
2093 | root=line->elements[1].item; | ||
2094 | } | ||
2095 | |||
2096 | if (root) { | ||
2097 | char * s = alloca(strlen(root) + 1); | ||
2098 | |||
2099 | strcpy(s, root); | ||
2100 | if (s[strlen(s) - 1] == '"') | ||
2101 | s[strlen(s) - 1] = '\0'; | ||
2102 | /* make sure the root doesn't have a trailing " */ | ||
2103 | printf("root=%s\n", s); | ||
2104 | } | ||
2105 | |||
2106 | niro | 1940 | line = getLineByType(LT_INITRD|LT_INITRD_EFI, entry->lines); |
2107 | niro | 532 | |
2108 | if (line && line->numElements >= 2) { | ||
2109 | niro | 1849 | if (!strncmp(prefix, line->elements[1].item, strlen(prefix))) |
2110 | printf("initrd="); | ||
2111 | else | ||
2112 | printf("initrd=%s", prefix); | ||
2113 | |||
2114 | niro | 532 | for (i = 1; i < line->numElements; i++) |
2115 | printf("%s%s", line->elements[i].item, line->elements[i].indent); | ||
2116 | printf("\n"); | ||
2117 | } | ||
2118 | niro | 1751 | |
2119 | line = getLineByType(LT_TITLE, entry->lines); | ||
2120 | if (line) { | ||
2121 | printf("title=%s\n", line->elements[1].item); | ||
2122 | } else { | ||
2123 | char * title; | ||
2124 | line = getLineByType(LT_MENUENTRY, entry->lines); | ||
2125 | title = grub2ExtractTitle(line); | ||
2126 | if (title) | ||
2127 | printf("title=%s\n", title); | ||
2128 | } | ||
2129 | niro | 532 | } |
2130 | |||
2131 | niro | 1850 | int isSuseSystem(void) { |
2132 | const char * path; | ||
2133 | const static char default_path[] = "/etc/SuSE-release"; | ||
2134 | |||
2135 | if ((path = getenv("GRUBBY_SUSE_RELEASE")) == NULL) | ||
2136 | path = default_path; | ||
2137 | |||
2138 | if (!access(path, R_OK)) | ||
2139 | return 1; | ||
2140 | return 0; | ||
2141 | } | ||
2142 | |||
2143 | int isSuseGrubConf(const char * path) { | ||
2144 | FILE * grubConf; | ||
2145 | char * line = NULL; | ||
2146 | size_t len = 0, res = 0; | ||
2147 | |||
2148 | grubConf = fopen(path, "r"); | ||
2149 | if (!grubConf) { | ||
2150 | dbgPrintf("Could not open SuSE configuration file '%s'\n", path); | ||
2151 | return 0; | ||
2152 | } | ||
2153 | |||
2154 | while ((res = getline(&line, &len, grubConf)) != -1) { | ||
2155 | if (!strncmp(line, "setup", 5)) { | ||
2156 | fclose(grubConf); | ||
2157 | free(line); | ||
2158 | return 1; | ||
2159 | } | ||
2160 | } | ||
2161 | |||
2162 | dbgPrintf("SuSE configuration file '%s' does not appear to be valid\n", | ||
2163 | path); | ||
2164 | |||
2165 | fclose(grubConf); | ||
2166 | free(line); | ||
2167 | return 0; | ||
2168 | } | ||
2169 | |||
2170 | int suseGrubConfGetLba(const char * path, int * lbaPtr) { | ||
2171 | FILE * grubConf; | ||
2172 | char * line = NULL; | ||
2173 | size_t res = 0, len = 0; | ||
2174 | |||
2175 | if (!path) return 1; | ||
2176 | if (!lbaPtr) return 1; | ||
2177 | |||
2178 | grubConf = fopen(path, "r"); | ||
2179 | if (!grubConf) return 1; | ||
2180 | |||
2181 | while ((res = getline(&line, &len, grubConf)) != -1) { | ||
2182 | if (line[res - 1] == '\n') | ||
2183 | line[res - 1] = '\0'; | ||
2184 | else if (len > res) | ||
2185 | line[res] = '\0'; | ||
2186 | else { | ||
2187 | line = realloc(line, res + 1); | ||
2188 | line[res] = '\0'; | ||
2189 | } | ||
2190 | |||
2191 | if (!strncmp(line, "setup", 5)) { | ||
2192 | if (strstr(line, "--force-lba")) { | ||
2193 | *lbaPtr = 1; | ||
2194 | } else { | ||
2195 | *lbaPtr = 0; | ||
2196 | } | ||
2197 | dbgPrintf("lba: %i\n", *lbaPtr); | ||
2198 | break; | ||
2199 | } | ||
2200 | } | ||
2201 | |||
2202 | free(line); | ||
2203 | fclose(grubConf); | ||
2204 | return 0; | ||
2205 | } | ||
2206 | |||
2207 | int suseGrubConfGetInstallDevice(const char * path, char ** devicePtr) { | ||
2208 | FILE * grubConf; | ||
2209 | char * line = NULL; | ||
2210 | size_t res = 0, len = 0; | ||
2211 | char * lastParamPtr = NULL; | ||
2212 | char * secLastParamPtr = NULL; | ||
2213 | char installDeviceNumber = '\0'; | ||
2214 | char * bounds = NULL; | ||
2215 | |||
2216 | if (!path) return 1; | ||
2217 | if (!devicePtr) return 1; | ||
2218 | |||
2219 | grubConf = fopen(path, "r"); | ||
2220 | if (!grubConf) return 1; | ||
2221 | |||
2222 | while ((res = getline(&line, &len, grubConf)) != -1) { | ||
2223 | if (strncmp(line, "setup", 5)) | ||
2224 | continue; | ||
2225 | |||
2226 | if (line[res - 1] == '\n') | ||
2227 | line[res - 1] = '\0'; | ||
2228 | else if (len > res) | ||
2229 | line[res] = '\0'; | ||
2230 | else { | ||
2231 | line = realloc(line, res + 1); | ||
2232 | line[res] = '\0'; | ||
2233 | } | ||
2234 | |||
2235 | lastParamPtr = bounds = line + res; | ||
2236 | |||
2237 | /* Last parameter in grub may be an optional IMAGE_DEVICE */ | ||
2238 | while (!isspace(*lastParamPtr)) | ||
2239 | lastParamPtr--; | ||
2240 | lastParamPtr++; | ||
2241 | |||
2242 | secLastParamPtr = lastParamPtr - 2; | ||
2243 | dbgPrintf("lastParamPtr: %s\n", lastParamPtr); | ||
2244 | |||
2245 | if (lastParamPtr + 3 > bounds) { | ||
2246 | dbgPrintf("lastParamPtr going over boundary"); | ||
2247 | fclose(grubConf); | ||
2248 | free(line); | ||
2249 | return 1; | ||
2250 | } | ||
2251 | if (!strncmp(lastParamPtr, "(hd", 3)) | ||
2252 | lastParamPtr += 3; | ||
2253 | dbgPrintf("lastParamPtr: %c\n", *lastParamPtr); | ||
2254 | |||
2255 | /* | ||
2256 | * Second last parameter will decide wether last parameter is | ||
2257 | * an IMAGE_DEVICE or INSTALL_DEVICE | ||
2258 | */ | ||
2259 | while (!isspace(*secLastParamPtr)) | ||
2260 | secLastParamPtr--; | ||
2261 | secLastParamPtr++; | ||
2262 | |||
2263 | if (secLastParamPtr + 3 > bounds) { | ||
2264 | dbgPrintf("secLastParamPtr going over boundary"); | ||
2265 | fclose(grubConf); | ||
2266 | free(line); | ||
2267 | return 1; | ||
2268 | } | ||
2269 | dbgPrintf("secLastParamPtr: %s\n", secLastParamPtr); | ||
2270 | if (!strncmp(secLastParamPtr, "(hd", 3)) { | ||
2271 | secLastParamPtr += 3; | ||
2272 | dbgPrintf("secLastParamPtr: %c\n", *secLastParamPtr); | ||
2273 | installDeviceNumber = *secLastParamPtr; | ||
2274 | } else { | ||
2275 | installDeviceNumber = *lastParamPtr; | ||
2276 | } | ||
2277 | |||
2278 | *devicePtr = malloc(6); | ||
2279 | snprintf(*devicePtr, 6, "(hd%c)", installDeviceNumber); | ||
2280 | dbgPrintf("installDeviceNumber: %c\n", installDeviceNumber); | ||
2281 | fclose(grubConf); | ||
2282 | free(line); | ||
2283 | return 0; | ||
2284 | } | ||
2285 | |||
2286 | free(line); | ||
2287 | fclose(grubConf); | ||
2288 | return 1; | ||
2289 | } | ||
2290 | |||
2291 | int grubGetBootFromDeviceMap(const char * device, | ||
2292 | char ** bootPtr) { | ||
2293 | FILE * deviceMap; | ||
2294 | char * line = NULL; | ||
2295 | size_t res = 0, len = 0; | ||
2296 | char * devicePtr; | ||
2297 | char * bounds = NULL; | ||
2298 | const char * path; | ||
2299 | const static char default_path[] = "/boot/grub/device.map"; | ||
2300 | |||
2301 | if (!device) return 1; | ||
2302 | if (!bootPtr) return 1; | ||
2303 | |||
2304 | if ((path = getenv("GRUBBY_GRUB_DEVICE_MAP")) == NULL) | ||
2305 | path = default_path; | ||
2306 | |||
2307 | dbgPrintf("opening grub device.map file from: %s\n", path); | ||
2308 | deviceMap = fopen(path, "r"); | ||
2309 | if (!deviceMap) | ||
2310 | return 1; | ||
2311 | |||
2312 | while ((res = getline(&line, &len, deviceMap)) != -1) { | ||
2313 | if (!strncmp(line, "#", 1)) | ||
2314 | continue; | ||
2315 | |||
2316 | if (line[res - 1] == '\n') | ||
2317 | line[res - 1] = '\0'; | ||
2318 | else if (len > res) | ||
2319 | line[res] = '\0'; | ||
2320 | else { | ||
2321 | line = realloc(line, res + 1); | ||
2322 | line[res] = '\0'; | ||
2323 | } | ||
2324 | |||
2325 | devicePtr = line; | ||
2326 | bounds = line + res; | ||
2327 | |||
2328 | while ((isspace(*line) && ((devicePtr + 1) <= bounds))) | ||
2329 | devicePtr++; | ||
2330 | dbgPrintf("device: %s\n", devicePtr); | ||
2331 | |||
2332 | if (!strncmp(devicePtr, device, strlen(device))) { | ||
2333 | devicePtr += strlen(device); | ||
2334 | while (isspace(*devicePtr) && ((devicePtr + 1) <= bounds)) | ||
2335 | devicePtr++; | ||
2336 | |||
2337 | *bootPtr = strdup(devicePtr); | ||
2338 | break; | ||
2339 | } | ||
2340 | } | ||
2341 | |||
2342 | free(line); | ||
2343 | fclose(deviceMap); | ||
2344 | return 0; | ||
2345 | } | ||
2346 | |||
2347 | int suseGrubConfGetBoot(const char * path, char ** bootPtr) { | ||
2348 | char * grubDevice; | ||
2349 | |||
2350 | if (suseGrubConfGetInstallDevice(path, &grubDevice)) | ||
2351 | dbgPrintf("error looking for grub installation device\n"); | ||
2352 | else | ||
2353 | dbgPrintf("grubby installation device: %s\n", grubDevice); | ||
2354 | |||
2355 | if (grubGetBootFromDeviceMap(grubDevice, bootPtr)) | ||
2356 | dbgPrintf("error looking for grub boot device\n"); | ||
2357 | else | ||
2358 | dbgPrintf("grubby boot device: %s\n", *bootPtr); | ||
2359 | |||
2360 | free(grubDevice); | ||
2361 | return 0; | ||
2362 | } | ||
2363 | |||
2364 | int parseSuseGrubConf(int * lbaPtr, char ** bootPtr) { | ||
2365 | /* | ||
2366 | * This SuSE grub configuration file at this location is not your average | ||
2367 | * grub configuration file, but instead the grub commands used to setup | ||
2368 | * grub on that system. | ||
2369 | */ | ||
2370 | const char * path; | ||
2371 | const static char default_path[] = "/etc/grub.conf"; | ||
2372 | |||
2373 | if ((path = getenv("GRUBBY_SUSE_GRUB_CONF")) == NULL) | ||
2374 | path = default_path; | ||
2375 | |||
2376 | if (!isSuseGrubConf(path)) return 1; | ||
2377 | |||
2378 | if (lbaPtr) { | ||
2379 | *lbaPtr = 0; | ||
2380 | if (suseGrubConfGetLba(path, lbaPtr)) | ||
2381 | return 1; | ||
2382 | } | ||
2383 | |||
2384 | if (bootPtr) { | ||
2385 | *bootPtr = NULL; | ||
2386 | suseGrubConfGetBoot(path, bootPtr); | ||
2387 | } | ||
2388 | |||
2389 | return 0; | ||
2390 | } | ||
2391 | |||
2392 | niro | 532 | int parseSysconfigGrub(int * lbaPtr, char ** bootPtr) { |
2393 | FILE * in; | ||
2394 | char buf[1024]; | ||
2395 | char * chptr; | ||
2396 | char * start; | ||
2397 | char * param; | ||
2398 | |||
2399 | niro | 926 | in = fopen("/etc/conf.d/grub", "r"); |
2400 | niro | 532 | if (!in) return 1; |
2401 | |||
2402 | if (lbaPtr) *lbaPtr = 0; | ||
2403 | if (bootPtr) *bootPtr = NULL; | ||
2404 | |||
2405 | while (fgets(buf, sizeof(buf), in)) { | ||
2406 | start = buf; | ||
2407 | while (isspace(*start)) start++; | ||
2408 | if (*start == '#') continue; | ||
2409 | |||
2410 | chptr = strchr(start, '='); | ||
2411 | if (!chptr) continue; | ||
2412 | chptr--; | ||
2413 | while (*chptr && isspace(*chptr)) chptr--; | ||
2414 | chptr++; | ||
2415 | *chptr = '\0'; | ||
2416 | |||
2417 | param = chptr + 1; | ||
2418 | while (*param && isspace(*param)) param++; | ||
2419 | if (*param == '=') { | ||
2420 | param++; | ||
2421 | while (*param && isspace(*param)) param++; | ||
2422 | } | ||
2423 | |||
2424 | chptr = param; | ||
2425 | while (*chptr && !isspace(*chptr)) chptr++; | ||
2426 | *chptr = '\0'; | ||
2427 | |||
2428 | if (!strcmp(start, "forcelba") && !strcmp(param, "1") && lbaPtr) | ||
2429 | *lbaPtr = 1; | ||
2430 | else if (!strcmp(start, "boot") && bootPtr) | ||
2431 | *bootPtr = strdup(param); | ||
2432 | } | ||
2433 | |||
2434 | fclose(in); | ||
2435 | |||
2436 | return 0; | ||
2437 | } | ||
2438 | |||
2439 | void dumpSysconfigGrub(void) { | ||
2440 | niro | 1850 | char * boot = NULL; |
2441 | niro | 532 | int lba; |
2442 | |||
2443 | niro | 1851 | if (isSuseSystem()) { |
2444 | if (parseSuseGrubConf(&lba, &boot)) { | ||
2445 | niro | 1850 | free(boot); |
2446 | return; | ||
2447 | } | ||
2448 | } else { | ||
2449 | niro | 1851 | if (parseSysconfigGrub(&lba, &boot)) { |
2450 | niro | 1850 | free(boot); |
2451 | return; | ||
2452 | } | ||
2453 | niro | 532 | } |
2454 | niro | 1850 | |
2455 | if (lba) printf("lba\n"); | ||
2456 | if (boot) { | ||
2457 | printf("boot=%s\n", boot); | ||
2458 | free(boot); | ||
2459 | } | ||
2460 | niro | 532 | } |
2461 | |||
2462 | int displayInfo(struct grubConfig * config, char * kernel, | ||
2463 | const char * prefix) { | ||
2464 | int i = 0; | ||
2465 | struct singleEntry * entry; | ||
2466 | struct singleLine * line; | ||
2467 | |||
2468 | entry = findEntryByPath(config, kernel, prefix, &i); | ||
2469 | if (!entry) { | ||
2470 | fprintf(stderr, _("grubby: kernel not found\n")); | ||
2471 | return 1; | ||
2472 | } | ||
2473 | |||
2474 | niro | 926 | /* this is a horrible hack to support /etc/conf.d/grub; there must |
2475 | niro | 532 | be a better way */ |
2476 | if (config->cfi == &grubConfigType) { | ||
2477 | dumpSysconfigGrub(); | ||
2478 | } else { | ||
2479 | niro | 914 | line = getLineByType(LT_BOOT, config->theLines); |
2480 | niro | 532 | if (line && line->numElements >= 1) { |
2481 | printf("boot=%s\n", line->elements[1].item); | ||
2482 | } | ||
2483 | |||
2484 | niro | 914 | line = getLineByType(LT_LBA, config->theLines); |
2485 | niro | 532 | if (line) printf("lba\n"); |
2486 | } | ||
2487 | |||
2488 | displayEntry(entry, prefix, i); | ||
2489 | |||
2490 | i++; | ||
2491 | while ((entry = findEntryByPath(config, kernel, prefix, &i))) { | ||
2492 | displayEntry(entry, prefix, i); | ||
2493 | i++; | ||
2494 | } | ||
2495 | |||
2496 | return 0; | ||
2497 | } | ||
2498 | |||
2499 | niro | 914 | struct singleLine * addLineTmpl(struct singleEntry * entry, |
2500 | struct singleLine * tmplLine, | ||
2501 | struct singleLine * prevLine, | ||
2502 | const char * val, | ||
2503 | struct configFileInfo * cfi) | ||
2504 | { | ||
2505 | struct singleLine * newLine = lineDup(tmplLine); | ||
2506 | |||
2507 | niro | 1940 | if (isEfi && cfi == &grub2ConfigType) { |
2508 | enum lineType_e old = newLine->type; | ||
2509 | newLine->type = preferredLineType(newLine->type, cfi); | ||
2510 | if (old != newLine->type) | ||
2511 | newLine->elements[0].item = getKeyByType(newLine->type, cfi); | ||
2512 | } | ||
2513 | |||
2514 | niro | 914 | if (val) { |
2515 | /* override the inherited value with our own. | ||
2516 | * This is a little weak because it only applies to elements[1] | ||
2517 | */ | ||
2518 | if (newLine->numElements > 1) | ||
2519 | removeElement(newLine, 1); | ||
2520 | insertElement(newLine, val, 1, cfi); | ||
2521 | |||
2522 | /* but try to keep the rootspec from the template... sigh */ | ||
2523 | niro | 1940 | if (tmplLine->type & (LT_HYPER|LT_KERNEL|LT_MBMODULE|LT_INITRD|LT_KERNEL_EFI|LT_INITRD_EFI)) { |
2524 | niro | 914 | char * rootspec = getRootSpecifier(tmplLine->elements[1].item); |
2525 | if (rootspec != NULL) { | ||
2526 | free(newLine->elements[1].item); | ||
2527 | newLine->elements[1].item = | ||
2528 | sdupprintf("%s%s", rootspec, val); | ||
2529 | } | ||
2530 | } | ||
2531 | } | ||
2532 | |||
2533 | dbgPrintf("addLineTmpl(%s)\n", newLine->numElements ? | ||
2534 | newLine->elements[0].item : ""); | ||
2535 | |||
2536 | if (!entry->lines) { | ||
2537 | /* first one on the list */ | ||
2538 | entry->lines = newLine; | ||
2539 | } else if (prevLine) { | ||
2540 | /* add after prevLine */ | ||
2541 | newLine->next = prevLine->next; | ||
2542 | prevLine->next = newLine; | ||
2543 | } | ||
2544 | |||
2545 | return newLine; | ||
2546 | } | ||
2547 | |||
2548 | niro | 532 | /* val may be NULL */ |
2549 | struct singleLine * addLine(struct singleEntry * entry, | ||
2550 | struct configFileInfo * cfi, | ||
2551 | niro | 914 | enum lineType_e type, char * defaultIndent, |
2552 | const char * val) { | ||
2553 | niro | 532 | struct singleLine * line, * prev; |
2554 | niro | 914 | struct keywordTypes * kw; |
2555 | struct singleLine tmpl; | ||
2556 | niro | 532 | |
2557 | niro | 914 | /* NB: This function shouldn't allocate items on the heap, rather on the |
2558 | * stack since it calls addLineTmpl which will make copies. | ||
2559 | */ | ||
2560 | if (type == LT_TITLE && cfi->titleBracketed) { | ||
2561 | /* we're doing a bracketed title (zipl) */ | ||
2562 | tmpl.type = type; | ||
2563 | tmpl.numElements = 1; | ||
2564 | tmpl.elements = alloca(sizeof(*tmpl.elements)); | ||
2565 | tmpl.elements[0].item = alloca(strlen(val)+3); | ||
2566 | sprintf(tmpl.elements[0].item, "[%s]", val); | ||
2567 | tmpl.elements[0].indent = ""; | ||
2568 | val = NULL; | ||
2569 | niro | 1696 | } else if (type == LT_MENUENTRY) { |
2570 | char *lineend = "--class gnu-linux --class gnu --class os {"; | ||
2571 | if (!val) { | ||
2572 | fprintf(stderr, "Line type LT_MENUENTRY requires a value\n"); | ||
2573 | abort(); | ||
2574 | } | ||
2575 | kw = getKeywordByType(type, cfi); | ||
2576 | if (!kw) { | ||
2577 | fprintf(stderr, "Looking up keyword for unknown type %d\n", type); | ||
2578 | abort(); | ||
2579 | } | ||
2580 | tmpl.indent = ""; | ||
2581 | tmpl.type = type; | ||
2582 | tmpl.numElements = 3; | ||
2583 | tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements); | ||
2584 | tmpl.elements[0].item = kw->key; | ||
2585 | tmpl.elements[0].indent = alloca(2); | ||
2586 | sprintf(tmpl.elements[0].indent, "%c", kw->nextChar); | ||
2587 | tmpl.elements[1].item = (char *)val; | ||
2588 | tmpl.elements[1].indent = alloca(2); | ||
2589 | sprintf(tmpl.elements[1].indent, "%c", kw->nextChar); | ||
2590 | tmpl.elements[2].item = alloca(strlen(lineend)+1); | ||
2591 | strcpy(tmpl.elements[2].item, lineend); | ||
2592 | tmpl.elements[2].indent = ""; | ||
2593 | niro | 914 | } else { |
2594 | kw = getKeywordByType(type, cfi); | ||
2595 | niro | 1696 | if (!kw) { |
2596 | fprintf(stderr, "Looking up keyword for unknown type %d\n", type); | ||
2597 | abort(); | ||
2598 | } | ||
2599 | niro | 914 | tmpl.type = type; |
2600 | tmpl.numElements = val ? 2 : 1; | ||
2601 | tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements); | ||
2602 | tmpl.elements[0].item = kw->key; | ||
2603 | tmpl.elements[0].indent = alloca(2); | ||
2604 | sprintf(tmpl.elements[0].indent, "%c", kw->nextChar); | ||
2605 | if (val) { | ||
2606 | tmpl.elements[1].item = (char *)val; | ||
2607 | tmpl.elements[1].indent = ""; | ||
2608 | } | ||
2609 | } | ||
2610 | |||
2611 | niro | 532 | /* The last non-empty line gives us the indention to us and the line |
2612 | to insert after. Note that comments are considered empty lines, which | ||
2613 | may not be ideal? If there are no lines or we are looking at the | ||
2614 | first line, we use defaultIndent (the first line is normally indented | ||
2615 | differently from the rest) */ | ||
2616 | niro | 914 | for (line = entry->lines, prev = NULL; line; line = line->next) { |
2617 | if (line->numElements) prev = line; | ||
2618 | /* fall back on the last line if prev isn't otherwise set */ | ||
2619 | if (!line->next && !prev) prev = line; | ||
2620 | niro | 532 | } |
2621 | |||
2622 | niro | 1696 | struct singleLine *menuEntry; |
2623 | menuEntry = getLineByType(LT_MENUENTRY, entry->lines); | ||
2624 | if (tmpl.type == LT_ENTRY_END) { | ||
2625 | if (menuEntry) | ||
2626 | tmpl.indent = menuEntry->indent; | ||
2627 | else | ||
2628 | tmpl.indent = defaultIndent ?: ""; | ||
2629 | } else if (tmpl.type != LT_MENUENTRY) { | ||
2630 | if (menuEntry) | ||
2631 | tmpl.indent = "\t"; | ||
2632 | else if (prev == entry->lines) | ||
2633 | tmpl.indent = defaultIndent ?: ""; | ||
2634 | else | ||
2635 | tmpl.indent = prev->indent; | ||
2636 | } | ||
2637 | niro | 532 | |
2638 | niro | 914 | return addLineTmpl(entry, &tmpl, prev, val, cfi); |
2639 | niro | 532 | } |
2640 | |||
2641 | void removeLine(struct singleEntry * entry, struct singleLine * line) { | ||
2642 | struct singleLine * prev; | ||
2643 | int i; | ||
2644 | |||
2645 | for (i = 0; i < line->numElements; i++) { | ||
2646 | free(line->elements[i].item); | ||
2647 | free(line->elements[i].indent); | ||
2648 | } | ||
2649 | free(line->elements); | ||
2650 | free(line->indent); | ||
2651 | |||
2652 | if (line == entry->lines) { | ||
2653 | entry->lines = line->next; | ||
2654 | } else { | ||
2655 | prev = entry->lines; | ||
2656 | while (prev->next != line) prev = prev->next; | ||
2657 | prev->next = line->next; | ||
2658 | } | ||
2659 | |||
2660 | free(line); | ||
2661 | } | ||
2662 | |||
2663 | niro | 1696 | static void requote(struct singleLine *tmplLine, struct configFileInfo * cfi) |
2664 | { | ||
2665 | struct singleLine newLine = { | ||
2666 | .indent = tmplLine->indent, | ||
2667 | .type = tmplLine->type, | ||
2668 | .next = tmplLine->next, | ||
2669 | }; | ||
2670 | int firstQuotedItem = -1; | ||
2671 | int quoteLen = 0; | ||
2672 | int j; | ||
2673 | int element = 0; | ||
2674 | char *c; | ||
2675 | |||
2676 | c = malloc(strlen(tmplLine->elements[0].item) + 1); | ||
2677 | strcpy(c, tmplLine->elements[0].item); | ||
2678 | insertElement(&newLine, c, element++, cfi); | ||
2679 | free(c); | ||
2680 | c = NULL; | ||
2681 | |||
2682 | for (j = 1; j < tmplLine->numElements; j++) { | ||
2683 | if (firstQuotedItem == -1) { | ||
2684 | quoteLen += strlen(tmplLine->elements[j].item); | ||
2685 | |||
2686 | if (isquote(tmplLine->elements[j].item[0])) { | ||
2687 | firstQuotedItem = j; | ||
2688 | quoteLen += strlen(tmplLine->elements[j].indent); | ||
2689 | } else { | ||
2690 | c = malloc(quoteLen + 1); | ||
2691 | strcpy(c, tmplLine->elements[j].item); | ||
2692 | insertElement(&newLine, c, element++, cfi); | ||
2693 | free(c); | ||
2694 | quoteLen = 0; | ||
2695 | } | ||
2696 | } else { | ||
2697 | int itemlen = strlen(tmplLine->elements[j].item); | ||
2698 | quoteLen += itemlen; | ||
2699 | quoteLen += strlen(tmplLine->elements[j].indent); | ||
2700 | |||
2701 | if (isquote(tmplLine->elements[j].item[itemlen - 1])) { | ||
2702 | c = malloc(quoteLen + 1); | ||
2703 | c[0] = '\0'; | ||
2704 | for (int i = firstQuotedItem; i < j+1; i++) { | ||
2705 | strcat(c, tmplLine->elements[i].item); | ||
2706 | strcat(c, tmplLine->elements[i].indent); | ||
2707 | } | ||
2708 | insertElement(&newLine, c, element++, cfi); | ||
2709 | free(c); | ||
2710 | |||
2711 | firstQuotedItem = -1; | ||
2712 | quoteLen = 0; | ||
2713 | } | ||
2714 | } | ||
2715 | } | ||
2716 | while (tmplLine->numElements) | ||
2717 | removeElement(tmplLine, 0); | ||
2718 | if (tmplLine->elements) | ||
2719 | free(tmplLine->elements); | ||
2720 | |||
2721 | tmplLine->numElements = newLine.numElements; | ||
2722 | tmplLine->elements = newLine.elements; | ||
2723 | } | ||
2724 | |||
2725 | niro | 914 | static void insertElement(struct singleLine * line, |
2726 | const char * item, int insertHere, | ||
2727 | struct configFileInfo * cfi) | ||
2728 | { | ||
2729 | struct keywordTypes * kw; | ||
2730 | char indent[2] = ""; | ||
2731 | |||
2732 | /* sanity check */ | ||
2733 | if (insertHere > line->numElements) { | ||
2734 | dbgPrintf("insertElement() adjusting insertHere from %d to %d\n", | ||
2735 | insertHere, line->numElements); | ||
2736 | insertHere = line->numElements; | ||
2737 | } | ||
2738 | |||
2739 | line->elements = realloc(line->elements, (line->numElements + 1) * | ||
2740 | sizeof(*line->elements)); | ||
2741 | memmove(&line->elements[insertHere+1], | ||
2742 | &line->elements[insertHere], | ||
2743 | (line->numElements - insertHere) * | ||
2744 | sizeof(*line->elements)); | ||
2745 | line->elements[insertHere].item = strdup(item); | ||
2746 | |||
2747 | kw = getKeywordByType(line->type, cfi); | ||
2748 | |||
2749 | if (line->numElements == 0) { | ||
2750 | indent[0] = '\0'; | ||
2751 | } else if (insertHere == 0) { | ||
2752 | indent[0] = kw->nextChar; | ||
2753 | } else if (kw->separatorChar != '\0') { | ||
2754 | indent[0] = kw->separatorChar; | ||
2755 | } else { | ||
2756 | indent[0] = ' '; | ||
2757 | } | ||
2758 | |||
2759 | if (insertHere > 0 && line->elements[insertHere-1].indent[0] == '\0') { | ||
2760 | /* move the end-of-line forward */ | ||
2761 | line->elements[insertHere].indent = | ||
2762 | line->elements[insertHere-1].indent; | ||
2763 | line->elements[insertHere-1].indent = strdup(indent); | ||
2764 | } else { | ||
2765 | line->elements[insertHere].indent = strdup(indent); | ||
2766 | } | ||
2767 | |||
2768 | line->numElements++; | ||
2769 | |||
2770 | dbgPrintf("insertElement(%s, '%s%s', %d)\n", | ||
2771 | line->elements[0].item, | ||
2772 | line->elements[insertHere].item, | ||
2773 | line->elements[insertHere].indent, | ||
2774 | insertHere); | ||
2775 | } | ||
2776 | |||
2777 | static void removeElement(struct singleLine * line, int removeHere) { | ||
2778 | int i; | ||
2779 | |||
2780 | /* sanity check */ | ||
2781 | if (removeHere >= line->numElements) return; | ||
2782 | |||
2783 | dbgPrintf("removeElement(%s, %d:%s)\n", line->elements[0].item, | ||
2784 | removeHere, line->elements[removeHere].item); | ||
2785 | |||
2786 | free(line->elements[removeHere].item); | ||
2787 | |||
2788 | if (removeHere > 1) { | ||
2789 | /* previous argument gets this argument's post-indentation */ | ||
2790 | free(line->elements[removeHere-1].indent); | ||
2791 | line->elements[removeHere-1].indent = | ||
2792 | line->elements[removeHere].indent; | ||
2793 | } else { | ||
2794 | free(line->elements[removeHere].indent); | ||
2795 | } | ||
2796 | |||
2797 | /* now collapse the array, but don't bother to realloc smaller */ | ||
2798 | for (i = removeHere; i < line->numElements - 1; i++) | ||
2799 | line->elements[i] = line->elements[i + 1]; | ||
2800 | |||
2801 | line->numElements--; | ||
2802 | } | ||
2803 | |||
2804 | niro | 532 | int argMatch(const char * one, const char * two) { |
2805 | char * first, * second; | ||
2806 | char * chptr; | ||
2807 | |||
2808 | first = strcpy(alloca(strlen(one) + 1), one); | ||
2809 | second = strcpy(alloca(strlen(two) + 1), two); | ||
2810 | |||
2811 | chptr = strchr(first, '='); | ||
2812 | if (chptr) *chptr = '\0'; | ||
2813 | |||
2814 | chptr = strchr(second, '='); | ||
2815 | if (chptr) *chptr = '\0'; | ||
2816 | |||
2817 | return strcmp(first, second); | ||
2818 | } | ||
2819 | |||
2820 | int updateActualImage(struct grubConfig * cfg, const char * image, | ||
2821 | const char * prefix, const char * addArgs, | ||
2822 | const char * removeArgs, int multibootArgs) { | ||
2823 | struct singleEntry * entry; | ||
2824 | struct singleLine * line, * rootLine; | ||
2825 | int index = 0; | ||
2826 | niro | 914 | int i, k; |
2827 | niro | 532 | const char ** newArgs, ** oldArgs; |
2828 | const char ** arg; | ||
2829 | niro | 914 | int useKernelArgs, useRoot; |
2830 | niro | 532 | int firstElement; |
2831 | niro | 1304 | int *usedElements; |
2832 | niro | 914 | int doreplace; |
2833 | niro | 532 | |
2834 | if (!image) return 0; | ||
2835 | |||
2836 | if (!addArgs) { | ||
2837 | newArgs = malloc(sizeof(*newArgs)); | ||
2838 | *newArgs = NULL; | ||
2839 | } else { | ||
2840 | if (poptParseArgvString(addArgs, NULL, &newArgs)) { | ||
2841 | fprintf(stderr, | ||
2842 | _("grubby: error separating arguments '%s'\n"), addArgs); | ||
2843 | return 1; | ||
2844 | } | ||
2845 | } | ||
2846 | |||
2847 | if (!removeArgs) { | ||
2848 | oldArgs = malloc(sizeof(*oldArgs)); | ||
2849 | *oldArgs = NULL; | ||
2850 | } else { | ||
2851 | if (poptParseArgvString(removeArgs, NULL, &oldArgs)) { | ||
2852 | fprintf(stderr, | ||
2853 | _("grubby: error separating arguments '%s'\n"), removeArgs); | ||
2854 | free(newArgs); | ||
2855 | return 1; | ||
2856 | } | ||
2857 | } | ||
2858 | |||
2859 | |||
2860 | niro | 914 | useKernelArgs = (getKeywordByType(LT_KERNELARGS, cfg->cfi) |
2861 | && (!multibootArgs || cfg->cfi->mbConcatArgs)); | ||
2862 | niro | 532 | |
2863 | niro | 914 | useRoot = (getKeywordByType(LT_ROOT, cfg->cfi) |
2864 | && !multibootArgs); | ||
2865 | niro | 532 | |
2866 | niro | 914 | for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
2867 | niro | 532 | |
2868 | niro | 914 | if (multibootArgs && !entry->multiboot) |
2869 | continue; | ||
2870 | niro | 532 | |
2871 | niro | 914 | /* Determine where to put the args. If this config supports |
2872 | * LT_KERNELARGS, use that. Otherwise use | ||
2873 | * LT_HYPER/LT_KERNEL/LT_MBMODULE lines. | ||
2874 | */ | ||
2875 | if (useKernelArgs) { | ||
2876 | line = getLineByType(LT_KERNELARGS, entry->lines); | ||
2877 | if (!line) { | ||
2878 | /* no LT_KERNELARGS, need to add it */ | ||
2879 | line = addLine(entry, cfg->cfi, LT_KERNELARGS, | ||
2880 | cfg->secondaryIndent, NULL); | ||
2881 | } | ||
2882 | firstElement = 1; | ||
2883 | niro | 532 | |
2884 | niro | 914 | } else if (multibootArgs) { |
2885 | line = getLineByType(LT_HYPER, entry->lines); | ||
2886 | if (!line) { | ||
2887 | /* a multiboot entry without LT_HYPER? */ | ||
2888 | continue; | ||
2889 | } | ||
2890 | firstElement = 2; | ||
2891 | |||
2892 | } else { | ||
2893 | niro | 1940 | line = getLineByType(LT_KERNEL|LT_MBMODULE|LT_KERNEL_EFI, entry->lines); |
2894 | niro | 914 | if (!line) { |
2895 | /* no LT_KERNEL or LT_MBMODULE in this entry? */ | ||
2896 | continue; | ||
2897 | } | ||
2898 | firstElement = 2; | ||
2899 | niro | 532 | } |
2900 | |||
2901 | niro | 914 | /* handle the elilo case which does: |
2902 | * append="hypervisor args -- kernel args" | ||
2903 | */ | ||
2904 | if (entry->multiboot && cfg->cfi->mbConcatArgs) { | ||
2905 | /* this is a multiboot entry, make sure there's | ||
2906 | * -- on the args line | ||
2907 | */ | ||
2908 | for (i = firstElement; i < line->numElements; i++) { | ||
2909 | if (!strcmp(line->elements[i].item, "--")) | ||
2910 | break; | ||
2911 | } | ||
2912 | if (i == line->numElements) { | ||
2913 | /* assume all existing args are kernel args, | ||
2914 | * prepend -- to make it official | ||
2915 | */ | ||
2916 | insertElement(line, "--", firstElement, cfg->cfi); | ||
2917 | i = firstElement; | ||
2918 | } | ||
2919 | if (!multibootArgs) { | ||
2920 | /* kernel args start after the -- */ | ||
2921 | firstElement = i + 1; | ||
2922 | } | ||
2923 | } else if (cfg->cfi->mbConcatArgs) { | ||
2924 | /* this is a non-multiboot entry, remove hyper args */ | ||
2925 | for (i = firstElement; i < line->numElements; i++) { | ||
2926 | if (!strcmp(line->elements[i].item, "--")) | ||
2927 | break; | ||
2928 | } | ||
2929 | if (i < line->numElements) { | ||
2930 | /* remove args up to -- */ | ||
2931 | while (strcmp(line->elements[firstElement].item, "--")) | ||
2932 | removeElement(line, firstElement); | ||
2933 | /* remove -- */ | ||
2934 | removeElement(line, firstElement); | ||
2935 | } | ||
2936 | niro | 532 | } |
2937 | |||
2938 | niro | 914 | usedElements = calloc(line->numElements, sizeof(*usedElements)); |
2939 | niro | 532 | |
2940 | niro | 914 | for (k = 0, arg = newArgs; *arg; arg++, k++) { |
2941 | |||
2942 | doreplace = 1; | ||
2943 | niro | 532 | for (i = firstElement; i < line->numElements; i++) { |
2944 | niro | 914 | if (multibootArgs && cfg->cfi->mbConcatArgs && |
2945 | !strcmp(line->elements[i].item, "--")) | ||
2946 | { | ||
2947 | /* reached the end of hyper args, insert here */ | ||
2948 | doreplace = 0; | ||
2949 | break; | ||
2950 | } | ||
2951 | niro | 532 | if (usedElements[i]) |
2952 | continue; | ||
2953 | if (!argMatch(line->elements[i].item, *arg)) { | ||
2954 | usedElements[i]=1; | ||
2955 | break; | ||
2956 | } | ||
2957 | } | ||
2958 | |||
2959 | niro | 914 | if (i < line->numElements && doreplace) { |
2960 | /* direct replacement */ | ||
2961 | niro | 532 | free(line->elements[i].item); |
2962 | line->elements[i].item = strdup(*arg); | ||
2963 | |||
2964 | niro | 914 | } else if (useRoot && !strncmp(*arg, "root=/dev/", 10)) { |
2965 | /* root= replacement */ | ||
2966 | rootLine = getLineByType(LT_ROOT, entry->lines); | ||
2967 | if (rootLine) { | ||
2968 | free(rootLine->elements[1].item); | ||
2969 | rootLine->elements[1].item = strdup(*arg + 5); | ||
2970 | niro | 532 | } else { |
2971 | niro | 914 | rootLine = addLine(entry, cfg->cfi, LT_ROOT, |
2972 | cfg->secondaryIndent, *arg + 5); | ||
2973 | niro | 532 | } |
2974 | niro | 914 | } |
2975 | niro | 532 | |
2976 | niro | 914 | else { |
2977 | /* insert/append */ | ||
2978 | insertElement(line, *arg, i, cfg->cfi); | ||
2979 | usedElements = realloc(usedElements, line->numElements * | ||
2980 | sizeof(*usedElements)); | ||
2981 | memmove(&usedElements[i + 1], &usedElements[i], | ||
2982 | line->numElements - i - 1); | ||
2983 | usedElements[i] = 1; | ||
2984 | niro | 532 | |
2985 | /* if we updated a root= here even though there is a | ||
2986 | LT_ROOT available we need to remove the LT_ROOT entry | ||
2987 | (this will happen if we switch from a device to a label) */ | ||
2988 | if (useRoot && !strncmp(*arg, "root=", 5)) { | ||
2989 | niro | 914 | rootLine = getLineByType(LT_ROOT, entry->lines); |
2990 | if (rootLine) | ||
2991 | niro | 532 | removeLine(entry, rootLine); |
2992 | } | ||
2993 | } | ||
2994 | } | ||
2995 | |||
2996 | free(usedElements); | ||
2997 | |||
2998 | for (arg = oldArgs; *arg; arg++) { | ||
2999 | niro | 914 | for (i = firstElement; i < line->numElements; i++) { |
3000 | if (multibootArgs && cfg->cfi->mbConcatArgs && | ||
3001 | !strcmp(line->elements[i].item, "--")) | ||
3002 | /* reached the end of hyper args, stop here */ | ||
3003 | niro | 532 | break; |
3004 | niro | 914 | if (!argMatch(line->elements[i].item, *arg)) { |
3005 | removeElement(line, i); | ||
3006 | break; | ||
3007 | niro | 532 | } |
3008 | } | ||
3009 | niro | 914 | /* handle removing LT_ROOT line too */ |
3010 | if (useRoot && !strncmp(*arg, "root=", 5)) { | ||
3011 | rootLine = getLineByType(LT_ROOT, entry->lines); | ||
3012 | if (rootLine) | ||
3013 | removeLine(entry, rootLine); | ||
3014 | } | ||
3015 | niro | 532 | } |
3016 | |||
3017 | if (line->numElements == 1) { | ||
3018 | /* don't need the line at all (note it has to be a | ||
3019 | LT_KERNELARGS for this to happen */ | ||
3020 | removeLine(entry, line); | ||
3021 | } | ||
3022 | } | ||
3023 | |||
3024 | free(newArgs); | ||
3025 | free(oldArgs); | ||
3026 | |||
3027 | return 0; | ||
3028 | } | ||
3029 | |||
3030 | int updateImage(struct grubConfig * cfg, const char * image, | ||
3031 | const char * prefix, const char * addArgs, | ||
3032 | const char * removeArgs, | ||
3033 | const char * addMBArgs, const char * removeMBArgs) { | ||
3034 | int rc = 0; | ||
3035 | |||
3036 | if (!image) return rc; | ||
3037 | |||
3038 | /* update the main args first... */ | ||
3039 | if (addArgs || removeArgs) | ||
3040 | rc = updateActualImage(cfg, image, prefix, addArgs, removeArgs, 0); | ||
3041 | if (rc) return rc; | ||
3042 | |||
3043 | /* and now any multiboot args */ | ||
3044 | if (addMBArgs || removeMBArgs) | ||
3045 | rc = updateActualImage(cfg, image, prefix, addMBArgs, removeMBArgs, 1); | ||
3046 | return rc; | ||
3047 | } | ||
3048 | |||
3049 | niro | 1156 | int updateInitrd(struct grubConfig * cfg, const char * image, |
3050 | const char * prefix, const char * initrd) { | ||
3051 | struct singleEntry * entry; | ||
3052 | niro | 1696 | struct singleLine * line, * kernelLine, *endLine = NULL; |
3053 | niro | 1156 | int index = 0; |
3054 | |||
3055 | if (!image) return 0; | ||
3056 | |||
3057 | for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { | ||
3058 | niro | 1940 | kernelLine = getLineByType(LT_KERNEL|LT_KERNEL_EFI, entry->lines); |
3059 | niro | 1156 | if (!kernelLine) continue; |
3060 | |||
3061 | niro | 1940 | line = getLineByType(LT_INITRD|LT_INITRD_EFI, entry->lines); |
3062 | niro | 1156 | if (line) |
3063 | removeLine(entry, line); | ||
3064 | if (prefix) { | ||
3065 | int prefixLen = strlen(prefix); | ||
3066 | if (!strncmp(initrd, prefix, prefixLen)) | ||
3067 | initrd += prefixLen; | ||
3068 | } | ||
3069 | niro | 1696 | endLine = getLineByType(LT_ENTRY_END, entry->lines); |
3070 | if (endLine) | ||
3071 | removeLine(entry, endLine); | ||
3072 | niro | 1940 | line = addLine(entry, cfg->cfi, preferredLineType(LT_INITRD, cfg->cfi), |
3073 | kernelLine->indent, initrd); | ||
3074 | niro | 1696 | if (!line) |
3075 | return 1; | ||
3076 | if (endLine) { | ||
3077 | line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL); | ||
3078 | if (!line) | ||
3079 | return 1; | ||
3080 | } | ||
3081 | |||
3082 | niro | 1156 | break; |
3083 | } | ||
3084 | |||
3085 | return 0; | ||
3086 | } | ||
3087 | |||
3088 | niro | 532 | int checkDeviceBootloader(const char * device, const unsigned char * boot) { |
3089 | int fd; | ||
3090 | unsigned char bootSect[512]; | ||
3091 | int offset; | ||
3092 | |||
3093 | fd = open(device, O_RDONLY); | ||
3094 | if (fd < 0) { | ||
3095 | fprintf(stderr, _("grubby: unable to open %s: %s\n"), | ||
3096 | device, strerror(errno)); | ||
3097 | return 1; | ||
3098 | } | ||
3099 | |||
3100 | if (read(fd, bootSect, 512) != 512) { | ||
3101 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
3102 | device, strerror(errno)); | ||
3103 | return 1; | ||
3104 | } | ||
3105 | close(fd); | ||
3106 | |||
3107 | /* first three bytes should match, a jmp short should be in there */ | ||
3108 | if (memcmp(boot, bootSect, 3)) | ||
3109 | return 0; | ||
3110 | |||
3111 | niro | 1718 | if (boot[1] == JMP_SHORT_OPCODE) { |
3112 | niro | 532 | offset = boot[2] + 2; |
3113 | } else if (boot[1] == 0xe8 || boot[1] == 0xe9) { | ||
3114 | offset = (boot[3] << 8) + boot[2] + 2; | ||
3115 | niro | 1718 | } else if (boot[0] == JMP_SHORT_OPCODE) { |
3116 | offset = boot[1] + 2; | ||
3117 | /* | ||
3118 | * it looks like grub, when copying stage1 into the mbr, patches stage1 | ||
3119 | * right after the JMP location, replacing other instructions such as | ||
3120 | * JMPs for NOOPs. So, relax the check a little bit by skipping those | ||
3121 | * different bytes. | ||
3122 | */ | ||
3123 | if ((bootSect[offset + 1] == NOOP_OPCODE) | ||
3124 | && (bootSect[offset + 2] == NOOP_OPCODE)) { | ||
3125 | offset = offset + 3; | ||
3126 | } | ||
3127 | niro | 532 | } else if (boot[0] == 0xe8 || boot[0] == 0xe9) { |
3128 | offset = (boot[2] << 8) + boot[1] + 2; | ||
3129 | } else { | ||
3130 | return 0; | ||
3131 | } | ||
3132 | |||
3133 | if (memcmp(boot + offset, bootSect + offset, CODE_SEG_SIZE)) | ||
3134 | return 0; | ||
3135 | |||
3136 | return 2; | ||
3137 | } | ||
3138 | |||
3139 | int checkLiloOnRaid(char * mdDev, const unsigned char * boot) { | ||
3140 | int fd; | ||
3141 | char buf[65536]; | ||
3142 | char * end; | ||
3143 | char * chptr; | ||
3144 | char * chptr2; | ||
3145 | int rc; | ||
3146 | |||
3147 | /* it's on raid; we need to parse /proc/mdstat and check all of the | ||
3148 | *raw* devices listed in there */ | ||
3149 | |||
3150 | if (!strncmp(mdDev, "/dev/", 5)) | ||
3151 | mdDev += 5; | ||
3152 | |||
3153 | if ((fd = open("/proc/mdstat", O_RDONLY)) < 0) { | ||
3154 | fprintf(stderr, _("grubby: failed to open /proc/mdstat: %s\n"), | ||
3155 | strerror(errno)); | ||
3156 | return 2; | ||
3157 | } | ||
3158 | |||
3159 | rc = read(fd, buf, sizeof(buf) - 1); | ||
3160 | if (rc < 0 || rc == (sizeof(buf) - 1)) { | ||
3161 | fprintf(stderr, _("grubby: failed to read /proc/mdstat: %s\n"), | ||
3162 | strerror(errno)); | ||
3163 | close(fd); | ||
3164 | return 2; | ||
3165 | } | ||
3166 | close(fd); | ||
3167 | buf[rc] = '\0'; | ||
3168 | |||
3169 | chptr = buf; | ||
3170 | while (*chptr) { | ||
3171 | end = strchr(chptr, '\n'); | ||
3172 | if (!end) break; | ||
3173 | *end = '\0'; | ||
3174 | |||
3175 | if (!strncmp(chptr, mdDev, strlen(mdDev)) && | ||
3176 | chptr[strlen(mdDev)] == ' ') { | ||
3177 | |||
3178 | /* found the device */ | ||
3179 | while (*chptr && *chptr != ':') chptr++; | ||
3180 | chptr++; | ||
3181 | while (*chptr && isspace(*chptr)) chptr++; | ||
3182 | |||
3183 | /* skip the "active" bit */ | ||
3184 | while (*chptr && !isspace(*chptr)) chptr++; | ||
3185 | while (*chptr && isspace(*chptr)) chptr++; | ||
3186 | |||
3187 | /* skip the raid level */ | ||
3188 | while (*chptr && !isspace(*chptr)) chptr++; | ||
3189 | while (*chptr && isspace(*chptr)) chptr++; | ||
3190 | |||
3191 | /* everything else is partition stuff */ | ||
3192 | while (*chptr) { | ||
3193 | chptr2 = chptr; | ||
3194 | while (*chptr2 && *chptr2 != '[') chptr2++; | ||
3195 | if (!*chptr2) break; | ||
3196 | |||
3197 | /* yank off the numbers at the end */ | ||
3198 | chptr2--; | ||
3199 | while (isdigit(*chptr2) && chptr2 > chptr) chptr2--; | ||
3200 | chptr2++; | ||
3201 | *chptr2 = '\0'; | ||
3202 | |||
3203 | /* Better, now we need the /dev/ back. We're done with | ||
3204 | * everything before this point, so we can just put | ||
3205 | * the /dev/ part there. There will always be room. */ | ||
3206 | memcpy(chptr - 5, "/dev/", 5); | ||
3207 | rc = checkDeviceBootloader(chptr - 5, boot); | ||
3208 | if (rc != 2) { | ||
3209 | return rc; | ||
3210 | } | ||
3211 | |||
3212 | chptr = chptr2 + 1; | ||
3213 | /* skip the [11] bit */ | ||
3214 | while (*chptr && !isspace(*chptr)) chptr++; | ||
3215 | /* and move to the next one */ | ||
3216 | while (*chptr && isspace(*chptr)) chptr++; | ||
3217 | } | ||
3218 | |||
3219 | /* we're good to go */ | ||
3220 | return 2; | ||
3221 | } | ||
3222 | |||
3223 | chptr = end + 1; | ||
3224 | } | ||
3225 | |||
3226 | fprintf(stderr, | ||
3227 | _("grubby: raid device /dev/%s not found in /proc/mdstat\n"), | ||
3228 | mdDev); | ||
3229 | return 0; | ||
3230 | } | ||
3231 | |||
3232 | int checkForLilo(struct grubConfig * config) { | ||
3233 | int fd; | ||
3234 | unsigned char boot[512]; | ||
3235 | struct singleLine * line; | ||
3236 | |||
3237 | for (line = config->theLines; line; line = line->next) | ||
3238 | if (line->type == LT_BOOT) break; | ||
3239 | |||
3240 | if (!line) { | ||
3241 | fprintf(stderr, | ||
3242 | _("grubby: no boot line found in lilo configuration\n")); | ||
3243 | return 1; | ||
3244 | } | ||
3245 | |||
3246 | if (line->numElements != 2) return 1; | ||
3247 | |||
3248 | fd = open("/boot/boot.b", O_RDONLY); | ||
3249 | if (fd < 0) { | ||
3250 | fprintf(stderr, _("grubby: unable to open %s: %s\n"), | ||
3251 | "/boot/boot.b", strerror(errno)); | ||
3252 | return 1; | ||
3253 | } | ||
3254 | |||
3255 | if (read(fd, boot, 512) != 512) { | ||
3256 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
3257 | "/boot/boot.b", strerror(errno)); | ||
3258 | return 1; | ||
3259 | } | ||
3260 | close(fd); | ||
3261 | |||
3262 | if (!strncmp("/dev/md", line->elements[1].item, 7)) | ||
3263 | return checkLiloOnRaid(line->elements[1].item, boot); | ||
3264 | |||
3265 | return checkDeviceBootloader(line->elements[1].item, boot); | ||
3266 | } | ||
3267 | |||
3268 | niro | 1696 | int checkForGrub2(struct grubConfig * config) { |
3269 | niro | 1714 | if (!access("/etc/grub.d/", R_OK)) |
3270 | niro | 1696 | return 2; |
3271 | |||
3272 | return 1; | ||
3273 | } | ||
3274 | |||
3275 | niro | 532 | int checkForGrub(struct grubConfig * config) { |
3276 | int fd; | ||
3277 | unsigned char bootSect[512]; | ||
3278 | char * boot; | ||
3279 | niro | 1851 | int onSuse = isSuseSystem(); |
3280 | niro | 532 | |
3281 | niro | 1851 | |
3282 | if (onSuse) { | ||
3283 | if (parseSuseGrubConf(NULL, &boot)) | ||
3284 | return 0; | ||
3285 | niro | 1850 | } else { |
3286 | niro | 1851 | if (parseSysconfigGrub(NULL, &boot)) |
3287 | return 0; | ||
3288 | niro | 1850 | } |
3289 | niro | 532 | |
3290 | /* assume grub is not installed -- not an error condition */ | ||
3291 | if (!boot) | ||
3292 | return 0; | ||
3293 | |||
3294 | fd = open("/boot/grub/stage1", O_RDONLY); | ||
3295 | if (fd < 0) | ||
3296 | /* this doesn't exist if grub hasn't been installed */ | ||
3297 | return 0; | ||
3298 | |||
3299 | if (read(fd, bootSect, 512) != 512) { | ||
3300 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
3301 | "/boot/grub/stage1", strerror(errno)); | ||
3302 | niro | 914 | close(fd); |
3303 | niro | 532 | return 1; |
3304 | } | ||
3305 | close(fd); | ||
3306 | |||
3307 | niro | 1851 | /* The more elaborate checks do not work on SuSE. The checks done |
3308 | * seem to be reasonble (at least for now), so just return success | ||
3309 | */ | ||
3310 | if (onSuse) | ||
3311 | niro | 1850 | return 2; |
3312 | niro | 1851 | |
3313 | return checkDeviceBootloader(boot, bootSect); | ||
3314 | niro | 532 | } |
3315 | |||
3316 | niro | 914 | int checkForExtLinux(struct grubConfig * config) { |
3317 | int fd; | ||
3318 | unsigned char bootSect[512]; | ||
3319 | char * boot; | ||
3320 | char executable[] = "/boot/extlinux/extlinux"; | ||
3321 | |||
3322 | printf("entered: checkForExtLinux()\n"); | ||
3323 | |||
3324 | if (parseSysconfigGrub(NULL, &boot)) | ||
3325 | return 0; | ||
3326 | |||
3327 | /* assume grub is not installed -- not an error condition */ | ||
3328 | if (!boot) | ||
3329 | return 0; | ||
3330 | |||
3331 | fd = open(executable, O_RDONLY); | ||
3332 | if (fd < 0) | ||
3333 | /* this doesn't exist if grub hasn't been installed */ | ||
3334 | return 0; | ||
3335 | |||
3336 | if (read(fd, bootSect, 512) != 512) { | ||
3337 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
3338 | executable, strerror(errno)); | ||
3339 | return 1; | ||
3340 | } | ||
3341 | close(fd); | ||
3342 | |||
3343 | return checkDeviceBootloader(boot, bootSect); | ||
3344 | } | ||
3345 | |||
3346 | niro | 1853 | int checkForYaboot(struct grubConfig * config) { |
3347 | /* | ||
3348 | * This is a simplistic check that we consider good enough for own puporses | ||
3349 | * | ||
3350 | * If we were to properly check if yaboot is *installed* we'd need to: | ||
3351 | * 1) get the system boot device (LT_BOOT) | ||
3352 | * 2) considering it's a raw filesystem, check if the yaboot binary matches | ||
3353 | * the content on the boot device | ||
3354 | * 3) if not, copy the binary to a temporary file and run "addnote" on it | ||
3355 | * 4) check again if binary and boot device contents match | ||
3356 | */ | ||
3357 | if (!access("/etc/yaboot.conf", R_OK)) | ||
3358 | return 2; | ||
3359 | |||
3360 | return 1; | ||
3361 | } | ||
3362 | |||
3363 | niro | 1854 | int checkForElilo(struct grubConfig * config) { |
3364 | if (!access("/etc/elilo.conf", R_OK)) | ||
3365 | return 2; | ||
3366 | |||
3367 | return 1; | ||
3368 | } | ||
3369 | |||
3370 | niro | 532 | static char * getRootSpecifier(char * str) { |
3371 | char * idx, * rootspec = NULL; | ||
3372 | |||
3373 | if (*str == '(') { | ||
3374 | idx = rootspec = strdup(str); | ||
3375 | while(*idx && (*idx != ')') && (!isspace(*idx))) idx++; | ||
3376 | *(++idx) = '\0'; | ||
3377 | } | ||
3378 | return rootspec; | ||
3379 | } | ||
3380 | |||
3381 | niro | 914 | static char * getInitrdVal(struct grubConfig * config, |
3382 | const char * prefix, struct singleLine *tmplLine, | ||
3383 | const char * newKernelInitrd, | ||
3384 | niro | 1844 | const char ** extraInitrds, int extraInitrdCount) |
3385 | niro | 914 | { |
3386 | char *initrdVal, *end; | ||
3387 | int i; | ||
3388 | size_t totalSize; | ||
3389 | size_t prefixLen; | ||
3390 | char separatorChar; | ||
3391 | |||
3392 | prefixLen = strlen(prefix); | ||
3393 | totalSize = strlen(newKernelInitrd) - prefixLen + 1 /* \0 */; | ||
3394 | |||
3395 | for (i = 0; i < extraInitrdCount; i++) { | ||
3396 | totalSize += sizeof(separatorChar); | ||
3397 | totalSize += strlen(extraInitrds[i]) - prefixLen; | ||
3398 | } | ||
3399 | |||
3400 | initrdVal = end = malloc(totalSize); | ||
3401 | |||
3402 | end = stpcpy (end, newKernelInitrd + prefixLen); | ||
3403 | |||
3404 | separatorChar = getKeywordByType(LT_INITRD, config->cfi)->separatorChar; | ||
3405 | for (i = 0; i < extraInitrdCount; i++) { | ||
3406 | const char *extraInitrd; | ||
3407 | int j; | ||
3408 | |||
3409 | extraInitrd = extraInitrds[i] + prefixLen; | ||
3410 | /* Don't add entries that are already there */ | ||
3411 | if (tmplLine != NULL) { | ||
3412 | for (j = 2; j < tmplLine->numElements; j++) | ||
3413 | if (strcmp(extraInitrd, tmplLine->elements[j].item) == 0) | ||
3414 | break; | ||
3415 | |||
3416 | if (j != tmplLine->numElements) | ||
3417 | continue; | ||
3418 | } | ||
3419 | |||
3420 | *end++ = separatorChar; | ||
3421 | end = stpcpy(end, extraInitrd); | ||
3422 | } | ||
3423 | |||
3424 | return initrdVal; | ||
3425 | } | ||
3426 | |||
3427 | niro | 532 | int addNewKernel(struct grubConfig * config, struct singleEntry * template, |
3428 | const char * prefix, | ||
3429 | niro | 1844 | const char * newKernelPath, const char * newKernelTitle, |
3430 | const char * newKernelArgs, const char * newKernelInitrd, | ||
3431 | const char ** extraInitrds, int extraInitrdCount, | ||
3432 | const char * newMBKernel, const char * newMBKernelArgs) { | ||
3433 | niro | 532 | struct singleEntry * new; |
3434 | niro | 914 | struct singleLine * newLine = NULL, * tmplLine = NULL, * masterLine = NULL; |
3435 | niro | 532 | int needs; |
3436 | char * chptr; | ||
3437 | |||
3438 | if (!newKernelPath) return 0; | ||
3439 | |||
3440 | /* if the newKernelTitle is too long silently munge it into something | ||
3441 | * we can live with. truncating is first check, then we'll just mess with | ||
3442 | * it until it looks better */ | ||
3443 | if (config->cfi->maxTitleLength && | ||
3444 | (strlen(newKernelTitle) > config->cfi->maxTitleLength)) { | ||
3445 | char * buf = alloca(config->cfi->maxTitleLength + 7); | ||
3446 | char * numBuf = alloca(config->cfi->maxTitleLength + 1); | ||
3447 | int i = 1; | ||
3448 | |||
3449 | sprintf(buf, "TITLE=%.*s", config->cfi->maxTitleLength, newKernelTitle); | ||
3450 | while (findEntryByPath(config, buf, NULL, NULL)) { | ||
3451 | sprintf(numBuf, "%d", i++); | ||
3452 | strcpy(buf + strlen(buf) - strlen(numBuf), numBuf); | ||
3453 | } | ||
3454 | |||
3455 | newKernelTitle = buf + 6; | ||
3456 | } | ||
3457 | |||
3458 | new = malloc(sizeof(*new)); | ||
3459 | new->skip = 0; | ||
3460 | new->multiboot = 0; | ||
3461 | new->next = config->entries; | ||
3462 | new->lines = NULL; | ||
3463 | config->entries = new; | ||
3464 | |||
3465 | /* copy/update from the template */ | ||
3466 | niro | 914 | needs = NEED_KERNEL | NEED_TITLE; |
3467 | if (newKernelInitrd) | ||
3468 | needs |= NEED_INITRD; | ||
3469 | niro | 532 | if (newMBKernel) { |
3470 | niro | 914 | needs |= NEED_MB; |
3471 | niro | 532 | new->multiboot = 1; |
3472 | } | ||
3473 | |||
3474 | if (template) { | ||
3475 | niro | 914 | for (masterLine = template->lines; |
3476 | masterLine && (tmplLine = lineDup(masterLine)); | ||
3477 | lineFree(tmplLine), masterLine = masterLine->next) | ||
3478 | { | ||
3479 | dbgPrintf("addNewKernel processing %d\n", tmplLine->type); | ||
3480 | niro | 532 | |
3481 | /* skip comments */ | ||
3482 | chptr = tmplLine->indent; | ||
3483 | while (*chptr && isspace(*chptr)) chptr++; | ||
3484 | if (*chptr == '#') continue; | ||
3485 | |||
3486 | niro | 1940 | if (iskernel(tmplLine->type) && tmplLine->numElements >= 2) { |
3487 | niro | 914 | if (!template->multiboot && (needs & NEED_MB)) { |
3488 | /* it's not a multiboot template and this is the kernel | ||
3489 | * line. Try to be intelligent about inserting the | ||
3490 | * hypervisor at the same time. | ||
3491 | */ | ||
3492 | if (config->cfi->mbHyperFirst) { | ||
3493 | /* insert the hypervisor first */ | ||
3494 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
3495 | tmplLine->indent, | ||
3496 | newMBKernel + strlen(prefix)); | ||
3497 | /* set up for adding the kernel line */ | ||
3498 | free(tmplLine->indent); | ||
3499 | tmplLine->indent = strdup(config->secondaryIndent); | ||
3500 | needs &= ~NEED_MB; | ||
3501 | } | ||
3502 | if (needs & NEED_KERNEL) { | ||
3503 | /* use addLineTmpl to preserve line elements, | ||
3504 | * otherwise we could just call addLine. Unfortunately | ||
3505 | * this means making some changes to the template | ||
3506 | * such as the indent change above and the type | ||
3507 | * change below. | ||
3508 | */ | ||
3509 | struct keywordTypes * mbm_kw = | ||
3510 | getKeywordByType(LT_MBMODULE, config->cfi); | ||
3511 | if (mbm_kw) { | ||
3512 | tmplLine->type = LT_MBMODULE; | ||
3513 | free(tmplLine->elements[0].item); | ||
3514 | tmplLine->elements[0].item = strdup(mbm_kw->key); | ||
3515 | } | ||
3516 | newLine = addLineTmpl(new, tmplLine, newLine, | ||
3517 | newKernelPath + strlen(prefix), config->cfi); | ||
3518 | needs &= ~NEED_KERNEL; | ||
3519 | } | ||
3520 | if (needs & NEED_MB) { /* !mbHyperFirst */ | ||
3521 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
3522 | config->secondaryIndent, | ||
3523 | newMBKernel + strlen(prefix)); | ||
3524 | needs &= ~NEED_MB; | ||
3525 | } | ||
3526 | } else if (needs & NEED_KERNEL) { | ||
3527 | newLine = addLineTmpl(new, tmplLine, newLine, | ||
3528 | newKernelPath + strlen(prefix), config->cfi); | ||
3529 | needs &= ~NEED_KERNEL; | ||
3530 | } | ||
3531 | niro | 532 | |
3532 | niro | 914 | } else if (tmplLine->type == LT_HYPER && |
3533 | tmplLine->numElements >= 2) { | ||
3534 | if (needs & NEED_MB) { | ||
3535 | newLine = addLineTmpl(new, tmplLine, newLine, | ||
3536 | newMBKernel + strlen(prefix), config->cfi); | ||
3537 | needs &= ~NEED_MB; | ||
3538 | } | ||
3539 | niro | 532 | |
3540 | niro | 914 | } else if (tmplLine->type == LT_MBMODULE && |
3541 | tmplLine->numElements >= 2) { | ||
3542 | if (new->multiboot) { | ||
3543 | if (needs & NEED_KERNEL) { | ||
3544 | newLine = addLineTmpl(new, tmplLine, newLine, | ||
3545 | newKernelPath + | ||
3546 | strlen(prefix), config->cfi); | ||
3547 | needs &= ~NEED_KERNEL; | ||
3548 | } else if (config->cfi->mbInitRdIsModule && | ||
3549 | (needs & NEED_INITRD)) { | ||
3550 | char *initrdVal; | ||
3551 | initrdVal = getInitrdVal(config, prefix, tmplLine, | ||
3552 | newKernelInitrd, extraInitrds, | ||
3553 | extraInitrdCount); | ||
3554 | newLine = addLineTmpl(new, tmplLine, newLine, | ||
3555 | initrdVal, config->cfi); | ||
3556 | free(initrdVal); | ||
3557 | needs &= ~NEED_INITRD; | ||
3558 | } | ||
3559 | } else if (needs & NEED_KERNEL) { | ||
3560 | /* template is multi but new is not, | ||
3561 | * insert the kernel in the first module slot | ||
3562 | */ | ||
3563 | niro | 1940 | tmplLine->type = preferredLineType(LT_KERNEL, config->cfi); |
3564 | niro | 914 | free(tmplLine->elements[0].item); |
3565 | tmplLine->elements[0].item = | ||
3566 | niro | 1940 | strdup(getKeywordByType(tmplLine->type, |
3567 | config->cfi)->key); | ||
3568 | niro | 914 | newLine = addLineTmpl(new, tmplLine, newLine, |
3569 | niro | 1940 | newKernelPath + strlen(prefix), |
3570 | config->cfi); | ||
3571 | niro | 914 | needs &= ~NEED_KERNEL; |
3572 | } else if (needs & NEED_INITRD) { | ||
3573 | char *initrdVal; | ||
3574 | /* template is multi but new is not, | ||
3575 | * insert the initrd in the second module slot | ||
3576 | */ | ||
3577 | niro | 1940 | tmplLine->type = preferredLineType(LT_INITRD, config->cfi); |
3578 | niro | 914 | free(tmplLine->elements[0].item); |
3579 | tmplLine->elements[0].item = | ||
3580 | niro | 1940 | strdup(getKeywordByType(tmplLine->type, |
3581 | config->cfi)->key); | ||
3582 | niro | 914 | initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount); |
3583 | newLine = addLineTmpl(new, tmplLine, newLine, initrdVal, config->cfi); | ||
3584 | free(initrdVal); | ||
3585 | needs &= ~NEED_INITRD; | ||
3586 | } | ||
3587 | niro | 532 | |
3588 | niro | 1940 | } else if (isinitrd(tmplLine->type) && tmplLine->numElements >= 2) { |
3589 | niro | 914 | if (needs & NEED_INITRD && |
3590 | new->multiboot && !template->multiboot && | ||
3591 | config->cfi->mbInitRdIsModule) { | ||
3592 | /* make sure we don't insert the module initrd | ||
3593 | * before the module kernel... if we don't do it here, | ||
3594 | * it will be inserted following the template. | ||
3595 | */ | ||
3596 | if (!needs & NEED_KERNEL) { | ||
3597 | char *initrdVal; | ||
3598 | |||
3599 | initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount); | ||
3600 | newLine = addLine(new, config->cfi, LT_MBMODULE, | ||
3601 | config->secondaryIndent, | ||
3602 | initrdVal); | ||
3603 | free(initrdVal); | ||
3604 | needs &= ~NEED_INITRD; | ||
3605 | } | ||
3606 | } else if (needs & NEED_INITRD) { | ||
3607 | char *initrdVal; | ||
3608 | initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount); | ||
3609 | newLine = addLineTmpl(new, tmplLine, newLine, initrdVal, config->cfi); | ||
3610 | free(initrdVal); | ||
3611 | needs &= ~NEED_INITRD; | ||
3612 | niro | 532 | } |
3613 | |||
3614 | niro | 1696 | } else if (tmplLine->type == LT_MENUENTRY && |
3615 | (needs & NEED_TITLE)) { | ||
3616 | requote(tmplLine, config->cfi); | ||
3617 | char *nkt = malloc(strlen(newKernelTitle)+3); | ||
3618 | strcpy(nkt, "'"); | ||
3619 | strcat(nkt, newKernelTitle); | ||
3620 | strcat(nkt, "'"); | ||
3621 | newLine = addLineTmpl(new, tmplLine, newLine, nkt, config->cfi); | ||
3622 | free(nkt); | ||
3623 | needs &= ~NEED_TITLE; | ||
3624 | niro | 532 | } else if (tmplLine->type == LT_TITLE && |
3625 | niro | 914 | (needs & NEED_TITLE)) { |
3626 | if (tmplLine->numElements >= 2) { | ||
3627 | newLine = addLineTmpl(new, tmplLine, newLine, | ||
3628 | newKernelTitle, config->cfi); | ||
3629 | needs &= ~NEED_TITLE; | ||
3630 | } else if (tmplLine->numElements == 1 && | ||
3631 | config->cfi->titleBracketed) { | ||
3632 | /* addLineTmpl doesn't handle titleBracketed */ | ||
3633 | newLine = addLine(new, config->cfi, LT_TITLE, | ||
3634 | tmplLine->indent, newKernelTitle); | ||
3635 | needs &= ~NEED_TITLE; | ||
3636 | } | ||
3637 | niro | 1696 | } else if (tmplLine->type == LT_ECHO) { |
3638 | requote(tmplLine, config->cfi); | ||
3639 | niro | 1722 | static const char *prefix = "'Loading "; |
3640 | niro | 1696 | if (tmplLine->numElements > 1 && |
3641 | niro | 1722 | strstr(tmplLine->elements[1].item, prefix) && |
3642 | niro | 1940 | masterLine->next && |
3643 | iskernel(masterLine->next->type)) { | ||
3644 | niro | 1696 | char *newTitle = malloc(strlen(prefix) + |
3645 | strlen(newKernelTitle) + 2); | ||
3646 | niro | 532 | |
3647 | niro | 1696 | strcpy(newTitle, prefix); |
3648 | strcat(newTitle, newKernelTitle); | ||
3649 | strcat(newTitle, "'"); | ||
3650 | newLine = addLine(new, config->cfi, LT_ECHO, | ||
3651 | tmplLine->indent, newTitle); | ||
3652 | free(newTitle); | ||
3653 | } else { | ||
3654 | /* pass through other lines from the template */ | ||
3655 | newLine = addLineTmpl(new, tmplLine, newLine, NULL, | ||
3656 | config->cfi); | ||
3657 | } | ||
3658 | niro | 914 | } else { |
3659 | /* pass through other lines from the template */ | ||
3660 | newLine = addLineTmpl(new, tmplLine, newLine, NULL, config->cfi); | ||
3661 | } | ||
3662 | niro | 532 | } |
3663 | niro | 914 | |
3664 | niro | 532 | } else { |
3665 | niro | 914 | /* don't have a template, so start the entry with the |
3666 | * appropriate starting line | ||
3667 | */ | ||
3668 | niro | 1693 | switch (config->cfi->entryStart) { |
3669 | niro | 914 | case LT_KERNEL: |
3670 | niro | 1940 | case LT_KERNEL_EFI: |
3671 | niro | 914 | if (new->multiboot && config->cfi->mbHyperFirst) { |
3672 | /* fall through to LT_HYPER */ | ||
3673 | } else { | ||
3674 | niro | 1940 | newLine = addLine(new, config->cfi, |
3675 | preferredLineType(LT_KERNEL, config->cfi), | ||
3676 | niro | 914 | config->primaryIndent, |
3677 | newKernelPath + strlen(prefix)); | ||
3678 | needs &= ~NEED_KERNEL; | ||
3679 | break; | ||
3680 | } | ||
3681 | |||
3682 | case LT_HYPER: | ||
3683 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
3684 | config->primaryIndent, | ||
3685 | newMBKernel + strlen(prefix)); | ||
3686 | needs &= ~NEED_MB; | ||
3687 | niro | 532 | break; |
3688 | |||
3689 | niro | 1696 | case LT_MENUENTRY: { |
3690 | char *nkt = malloc(strlen(newKernelTitle)+3); | ||
3691 | strcpy(nkt, "'"); | ||
3692 | strcat(nkt, newKernelTitle); | ||
3693 | strcat(nkt, "'"); | ||
3694 | newLine = addLine(new, config->cfi, LT_MENUENTRY, | ||
3695 | config->primaryIndent, nkt); | ||
3696 | free(nkt); | ||
3697 | needs &= ~NEED_TITLE; | ||
3698 | needs |= NEED_END; | ||
3699 | break; | ||
3700 | } | ||
3701 | niro | 914 | case LT_TITLE: |
3702 | if( useextlinuxmenu != 0 ){ // We just need useextlinuxmenu to not be zero (set above) | ||
3703 | char * templabel; | ||
3704 | int x = 0, y = 0; | ||
3705 | |||
3706 | templabel = strdup(newKernelTitle); | ||
3707 | while( templabel[x]){ | ||
3708 | if( templabel[x] == ' ' ){ | ||
3709 | y = x; | ||
3710 | while( templabel[y] ){ | ||
3711 | templabel[y] = templabel[y+1]; | ||
3712 | y++; | ||
3713 | } | ||
3714 | } | ||
3715 | x++; | ||
3716 | } | ||
3717 | newLine = addLine(new, config->cfi, LT_TITLE, | ||
3718 | config->primaryIndent, templabel); | ||
3719 | free(templabel); | ||
3720 | }else{ | ||
3721 | newLine = addLine(new, config->cfi, LT_TITLE, | ||
3722 | config->primaryIndent, newKernelTitle); | ||
3723 | } | ||
3724 | needs &= ~NEED_TITLE; | ||
3725 | break; | ||
3726 | |||
3727 | default: | ||
3728 | abort(); | ||
3729 | niro | 532 | } |
3730 | } | ||
3731 | |||
3732 | niro | 914 | /* add the remainder of the lines, i.e. those that either |
3733 | * weren't present in the template, or in the case of no template, | ||
3734 | niro | 1693 | * all the lines following the entryStart. |
3735 | niro | 914 | */ |
3736 | if (needs & NEED_TITLE) { | ||
3737 | newLine = addLine(new, config->cfi, LT_TITLE, | ||
3738 | config->secondaryIndent, | ||
3739 | newKernelTitle); | ||
3740 | needs &= ~NEED_TITLE; | ||
3741 | niro | 532 | } |
3742 | niro | 914 | if ((needs & NEED_MB) && config->cfi->mbHyperFirst) { |
3743 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
3744 | config->secondaryIndent, | ||
3745 | newMBKernel + strlen(prefix)); | ||
3746 | needs &= ~NEED_MB; | ||
3747 | } | ||
3748 | if (needs & NEED_KERNEL) { | ||
3749 | newLine = addLine(new, config->cfi, | ||
3750 | (new->multiboot && getKeywordByType(LT_MBMODULE, | ||
3751 | niro | 1940 | config->cfi)) |
3752 | ? LT_MBMODULE | ||
3753 | : preferredLineType(LT_KERNEL, config->cfi), | ||
3754 | niro | 914 | config->secondaryIndent, |
3755 | newKernelPath + strlen(prefix)); | ||
3756 | needs &= ~NEED_KERNEL; | ||
3757 | } | ||
3758 | if (needs & NEED_MB) { | ||
3759 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
3760 | config->secondaryIndent, | ||
3761 | newMBKernel + strlen(prefix)); | ||
3762 | needs &= ~NEED_MB; | ||
3763 | } | ||
3764 | if (needs & NEED_INITRD) { | ||
3765 | char *initrdVal; | ||
3766 | initrdVal = getInitrdVal(config, prefix, NULL, newKernelInitrd, extraInitrds, extraInitrdCount); | ||
3767 | newLine = addLine(new, config->cfi, | ||
3768 | (new->multiboot && getKeywordByType(LT_MBMODULE, | ||
3769 | niro | 1940 | config->cfi)) |
3770 | ? LT_MBMODULE | ||
3771 | : preferredLineType(LT_INITRD, config->cfi), | ||
3772 | niro | 914 | config->secondaryIndent, |
3773 | initrdVal); | ||
3774 | free(initrdVal); | ||
3775 | needs &= ~NEED_INITRD; | ||
3776 | } | ||
3777 | niro | 1696 | if (needs & NEED_END) { |
3778 | newLine = addLine(new, config->cfi, LT_ENTRY_END, | ||
3779 | config->secondaryIndent, NULL); | ||
3780 | needs &= ~NEED_END; | ||
3781 | } | ||
3782 | niro | 532 | |
3783 | niro | 914 | if (needs) { |
3784 | printf(_("grubby: needs=%d, aborting\n"), needs); | ||
3785 | abort(); | ||
3786 | } | ||
3787 | |||
3788 | niro | 532 | if (updateImage(config, "0", prefix, newKernelArgs, NULL, |
3789 | newMBKernelArgs, NULL)) return 1; | ||
3790 | |||
3791 | return 0; | ||
3792 | } | ||
3793 | |||
3794 | niro | 914 | static void traceback(int signum) |
3795 | { | ||
3796 | void *array[40]; | ||
3797 | size_t size; | ||
3798 | |||
3799 | signal(SIGSEGV, SIG_DFL); | ||
3800 | memset(array, '\0', sizeof (array)); | ||
3801 | size = backtrace(array, 40); | ||
3802 | |||
3803 | niro | 2058 | fprintf(stderr, "grubby received SIGSEGV! Backtrace (%ld):\n", |
3804 | niro | 914 | (unsigned long)size); |
3805 | backtrace_symbols_fd(array, size, STDERR_FILENO); | ||
3806 | exit(1); | ||
3807 | } | ||
3808 | |||
3809 | niro | 532 | int main(int argc, const char ** argv) { |
3810 | poptContext optCon; | ||
3811 | niro | 1696 | const char * grubConfig = NULL; |
3812 | niro | 532 | char * outputFile = NULL; |
3813 | int arg = 0; | ||
3814 | int flags = 0; | ||
3815 | int badImageOkay = 0; | ||
3816 | niro | 1696 | int configureGrub2 = 0; |
3817 | niro | 532 | int configureLilo = 0, configureELilo = 0, configureGrub = 0; |
3818 | int configureYaboot = 0, configureSilo = 0, configureZipl = 0; | ||
3819 | niro | 914 | int configureExtLinux = 0; |
3820 | niro | 532 | int bootloaderProbe = 0; |
3821 | niro | 914 | int extraInitrdCount = 0; |
3822 | niro | 532 | char * updateKernelPath = NULL; |
3823 | char * newKernelPath = NULL; | ||
3824 | char * removeKernelPath = NULL; | ||
3825 | char * newKernelArgs = NULL; | ||
3826 | char * newKernelInitrd = NULL; | ||
3827 | char * newKernelTitle = NULL; | ||
3828 | char * newKernelVersion = NULL; | ||
3829 | char * newMBKernel = NULL; | ||
3830 | char * newMBKernelArgs = NULL; | ||
3831 | char * removeMBKernelArgs = NULL; | ||
3832 | char * removeMBKernel = NULL; | ||
3833 | char * bootPrefix = NULL; | ||
3834 | char * defaultKernel = NULL; | ||
3835 | char * removeArgs = NULL; | ||
3836 | char * kernelInfo = NULL; | ||
3837 | niro | 914 | char * extraInitrds[MAX_EXTRA_INITRDS] = { NULL }; |
3838 | niro | 532 | const char * chptr = NULL; |
3839 | struct configFileInfo * cfi = NULL; | ||
3840 | struct grubConfig * config; | ||
3841 | struct singleEntry * template = NULL; | ||
3842 | int copyDefault = 0, makeDefault = 0; | ||
3843 | int displayDefault = 0; | ||
3844 | niro | 1720 | int displayDefaultIndex = 0; |
3845 | niro | 1721 | int displayDefaultTitle = 0; |
3846 | niro | 1859 | int defaultIndex = -1; |
3847 | niro | 532 | struct poptOption options[] = { |
3848 | { "add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0, | ||
3849 | _("add an entry for the specified kernel"), _("kernel-path") }, | ||
3850 | { "add-multiboot", 0, POPT_ARG_STRING, &newMBKernel, 0, | ||
3851 | _("add an entry for the specified multiboot kernel"), NULL }, | ||
3852 | { "args", 0, POPT_ARG_STRING, &newKernelArgs, 0, | ||
3853 | _("default arguments for the new kernel or new arguments for " | ||
3854 | "kernel being updated"), _("args") }, | ||
3855 | { "mbargs", 0, POPT_ARG_STRING, &newMBKernelArgs, 0, | ||
3856 | _("default arguments for the new multiboot kernel or " | ||
3857 | "new arguments for multiboot kernel being updated"), NULL }, | ||
3858 | { "bad-image-okay", 0, 0, &badImageOkay, 0, | ||
3859 | _("don't sanity check images in boot entries (for testing only)"), | ||
3860 | NULL }, | ||
3861 | { "boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0, | ||
3862 | _("filestystem which contains /boot directory (for testing only)"), | ||
3863 | _("bootfs") }, | ||
3864 | niro | 1854 | #if defined(__i386__) || defined(__x86_64__) || defined (__powerpc64__) || defined (__ia64__) |
3865 | niro | 532 | { "bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0, |
3866 | niro | 1853 | _("check which bootloader is installed on boot sector") }, |
3867 | niro | 532 | #endif |
3868 | { "config-file", 'c', POPT_ARG_STRING, &grubConfig, 0, | ||
3869 | _("path to grub config file to update (\"-\" for stdin)"), | ||
3870 | _("path") }, | ||
3871 | { "copy-default", 0, 0, ©Default, 0, | ||
3872 | _("use the default boot entry as a template for the new entry " | ||
3873 | "being added; if the default is not a linux image, or if " | ||
3874 | "the kernel referenced by the default image does not exist, " | ||
3875 | "the first linux entry whose kernel does exist is used as the " | ||
3876 | "template"), NULL }, | ||
3877 | niro | 1736 | { "debug", 0, 0, &debug, 0, |
3878 | _("print debugging information for failures") }, | ||
3879 | niro | 532 | { "default-kernel", 0, 0, &displayDefault, 0, |
3880 | _("display the path of the default kernel") }, | ||
3881 | niro | 1720 | { "default-index", 0, 0, &displayDefaultIndex, 0, |
3882 | _("display the index of the default kernel") }, | ||
3883 | niro | 1721 | { "default-title", 0, 0, &displayDefaultTitle, 0, |
3884 | _("display the title of the default kernel") }, | ||
3885 | niro | 532 | { "elilo", 0, POPT_ARG_NONE, &configureELilo, 0, |
3886 | _("configure elilo bootloader") }, | ||
3887 | niro | 1940 | { "efi", 0, POPT_ARG_NONE, &isEfi, 0, |
3888 | _("force grub2 stanzas to use efi") }, | ||
3889 | niro | 914 | { "extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0, |
3890 | _("configure extlinux bootloader (from syslinux)") }, | ||
3891 | niro | 532 | { "grub", 0, POPT_ARG_NONE, &configureGrub, 0, |
3892 | _("configure grub bootloader") }, | ||
3893 | niro | 1696 | { "grub2", 0, POPT_ARG_NONE, &configureGrub2, 0, |
3894 | _("configure grub2 bootloader") }, | ||
3895 | niro | 532 | { "info", 0, POPT_ARG_STRING, &kernelInfo, 0, |
3896 | _("display boot information for specified kernel"), | ||
3897 | _("kernel-path") }, | ||
3898 | { "initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0, | ||
3899 | _("initrd image for the new kernel"), _("initrd-path") }, | ||
3900 | niro | 914 | { "extra-initrd", 'i', POPT_ARG_STRING, NULL, 'i', |
3901 | niro | 2058 | _("auxiliary initrd image for things other than the new kernel"), _("initrd-path") }, |
3902 | niro | 532 | { "lilo", 0, POPT_ARG_NONE, &configureLilo, 0, |
3903 | _("configure lilo bootloader") }, | ||
3904 | { "make-default", 0, 0, &makeDefault, 0, | ||
3905 | _("make the newly added entry the default boot entry"), NULL }, | ||
3906 | { "output-file", 'o', POPT_ARG_STRING, &outputFile, 0, | ||
3907 | _("path to output updated config file (\"-\" for stdout)"), | ||
3908 | _("path") }, | ||
3909 | { "remove-args", 0, POPT_ARG_STRING, &removeArgs, 0, | ||
3910 | _("remove kernel arguments"), NULL }, | ||
3911 | { "remove-mbargs", 0, POPT_ARG_STRING, &removeMBKernelArgs, 0, | ||
3912 | _("remove multiboot kernel arguments"), NULL }, | ||
3913 | { "remove-kernel", 0, POPT_ARG_STRING, &removeKernelPath, 0, | ||
3914 | _("remove all entries for the specified kernel"), | ||
3915 | _("kernel-path") }, | ||
3916 | { "remove-multiboot", 0, POPT_ARG_STRING, &removeMBKernel, 0, | ||
3917 | _("remove all entries for the specified multiboot kernel"), NULL }, | ||
3918 | { "set-default", 0, POPT_ARG_STRING, &defaultKernel, 0, | ||
3919 | _("make the first entry referencing the specified kernel " | ||
3920 | "the default"), _("kernel-path") }, | ||
3921 | niro | 1859 | { "set-default-index", 0, POPT_ARG_INT, &defaultIndex, 0, |
3922 | _("make the given entry index the default entry"), | ||
3923 | _("entry-index") }, | ||
3924 | niro | 532 | { "silo", 0, POPT_ARG_NONE, &configureSilo, 0, |
3925 | _("configure silo bootloader") }, | ||
3926 | { "title", 0, POPT_ARG_STRING, &newKernelTitle, 0, | ||
3927 | _("title to use for the new kernel entry"), _("entry-title") }, | ||
3928 | { "update-kernel", 0, POPT_ARG_STRING, &updateKernelPath, 0, | ||
3929 | _("updated information for the specified kernel"), | ||
3930 | _("kernel-path") }, | ||
3931 | { "version", 'v', 0, NULL, 'v', | ||
3932 | _("print the version of this program and exit"), NULL }, | ||
3933 | { "yaboot", 0, POPT_ARG_NONE, &configureYaboot, 0, | ||
3934 | _("configure yaboot bootloader") }, | ||
3935 | { "zipl", 0, POPT_ARG_NONE, &configureZipl, 0, | ||
3936 | _("configure zipl bootloader") }, | ||
3937 | POPT_AUTOHELP | ||
3938 | { 0, 0, 0, 0, 0 } | ||
3939 | }; | ||
3940 | |||
3941 | niro | 914 | useextlinuxmenu=0; |
3942 | |||
3943 | signal(SIGSEGV, traceback); | ||
3944 | |||
3945 | niro | 2236 | int i = 0; |
3946 | for (int j = 1; j < argc; j++) | ||
3947 | i += strlen(argv[j]) + 1; | ||
3948 | saved_command_line = malloc(i); | ||
3949 | if (!saved_command_line) { | ||
3950 | fprintf(stderr, "grubby: %m\n"); | ||
3951 | exit(1); | ||
3952 | } | ||
3953 | saved_command_line[0] = '\0'; | ||
3954 | for (int j = 1; j < argc; j++) { | ||
3955 | strcat(saved_command_line, argv[j]); | ||
3956 | strncat(saved_command_line, j == argc -1 ? "" : " ", 1); | ||
3957 | } | ||
3958 | |||
3959 | niro | 532 | optCon = poptGetContext("grubby", argc, argv, options, 0); |
3960 | poptReadDefaultConfig(optCon, 1); | ||
3961 | |||
3962 | while ((arg = poptGetNextOpt(optCon)) >= 0) { | ||
3963 | switch (arg) { | ||
3964 | case 'v': | ||
3965 | printf("grubby version %s\n", VERSION); | ||
3966 | exit(0); | ||
3967 | break; | ||
3968 | niro | 914 | case 'i': |
3969 | if (extraInitrdCount < MAX_EXTRA_INITRDS) { | ||
3970 | extraInitrds[extraInitrdCount++] = strdup(poptGetOptArg(optCon)); | ||
3971 | } else { | ||
3972 | fprintf(stderr, _("grubby: extra initrd maximum is %d\n"), extraInitrdCount); | ||
3973 | return 1; | ||
3974 | } | ||
3975 | break; | ||
3976 | niro | 532 | } |
3977 | } | ||
3978 | |||
3979 | if (arg < -1) { | ||
3980 | fprintf(stderr, _("grubby: bad argument %s: %s\n"), | ||
3981 | poptBadOption(optCon, POPT_BADOPTION_NOALIAS), | ||
3982 | poptStrerror(arg)); | ||
3983 | return 1; | ||
3984 | } | ||
3985 | |||
3986 | if ((chptr = poptGetArg(optCon))) { | ||
3987 | fprintf(stderr, _("grubby: unexpected argument %s\n"), chptr); | ||
3988 | return 1; | ||
3989 | } | ||
3990 | |||
3991 | niro | 1696 | if ((configureLilo + configureGrub2 + configureGrub + configureELilo + |
3992 | niro | 914 | configureYaboot + configureSilo + configureZipl + |
3993 | configureExtLinux ) > 1) { | ||
3994 | niro | 532 | fprintf(stderr, _("grubby: cannot specify multiple bootloaders\n")); |
3995 | return 1; | ||
3996 | } else if (bootloaderProbe && grubConfig) { | ||
3997 | fprintf(stderr, | ||
3998 | _("grubby: cannot specify config file with --bootloader-probe\n")); | ||
3999 | return 1; | ||
4000 | niro | 1696 | } else if (configureGrub2) { |
4001 | cfi = &grub2ConfigType; | ||
4002 | niro | 532 | } else if (configureLilo) { |
4003 | cfi = &liloConfigType; | ||
4004 | } else if (configureGrub) { | ||
4005 | cfi = &grubConfigType; | ||
4006 | } else if (configureELilo) { | ||
4007 | cfi = &eliloConfigType; | ||
4008 | } else if (configureYaboot) { | ||
4009 | cfi = &yabootConfigType; | ||
4010 | } else if (configureSilo) { | ||
4011 | cfi = &siloConfigType; | ||
4012 | } else if (configureZipl) { | ||
4013 | cfi = &ziplConfigType; | ||
4014 | niro | 914 | } else if (configureExtLinux) { |
4015 | cfi = &extlinuxConfigType; | ||
4016 | useextlinuxmenu=1; | ||
4017 | niro | 532 | } |
4018 | |||
4019 | if (!cfi) { | ||
4020 | niro | 1802 | if (grub2FindConfig(&grub2ConfigType)) |
4021 | cfi = &grub2ConfigType; | ||
4022 | else | ||
4023 | niro | 532 | #ifdef __ia64__ |
4024 | niro | 1802 | cfi = &eliloConfigType; |
4025 | niro | 532 | #elif __powerpc__ |
4026 | niro | 1802 | cfi = &yabootConfigType; |
4027 | niro | 532 | #elif __sparc__ |
4028 | niro | 1802 | cfi = &siloConfigType; |
4029 | niro | 532 | #elif __s390__ |
4030 | niro | 1802 | cfi = &ziplConfigType; |
4031 | niro | 532 | #elif __s390x__ |
4032 | niro | 1802 | cfi = &ziplConfigtype; |
4033 | niro | 532 | #else |
4034 | niro | 1696 | cfi = &grubConfigType; |
4035 | niro | 532 | #endif |
4036 | } | ||
4037 | |||
4038 | niro | 1696 | if (!grubConfig) { |
4039 | if (cfi->findConfig) | ||
4040 | grubConfig = cfi->findConfig(cfi); | ||
4041 | if (!grubConfig) | ||
4042 | grubConfig = cfi->defaultConfig; | ||
4043 | } | ||
4044 | niro | 532 | |
4045 | if (bootloaderProbe && (displayDefault || kernelInfo || newKernelVersion || | ||
4046 | niro | 1859 | newKernelPath || removeKernelPath || makeDefault || |
4047 | defaultKernel || displayDefaultIndex || displayDefaultTitle || | ||
4048 | (defaultIndex >= 0))) { | ||
4049 | niro | 532 | fprintf(stderr, _("grubby: --bootloader-probe may not be used with " |
4050 | "specified option")); | ||
4051 | return 1; | ||
4052 | } | ||
4053 | |||
4054 | if ((displayDefault || kernelInfo) && (newKernelVersion || newKernelPath || | ||
4055 | removeKernelPath)) { | ||
4056 | fprintf(stderr, _("grubby: --default-kernel and --info may not " | ||
4057 | "be used when adding or removing kernels\n")); | ||
4058 | return 1; | ||
4059 | } | ||
4060 | |||
4061 | if (newKernelPath && !newKernelTitle) { | ||
4062 | fprintf(stderr, _("grubby: kernel title must be specified\n")); | ||
4063 | return 1; | ||
4064 | niro | 1156 | } else if (!newKernelPath && (newKernelTitle || copyDefault || |
4065 | (newKernelInitrd && !updateKernelPath)|| | ||
4066 | niro | 914 | makeDefault || extraInitrdCount > 0)) { |
4067 | niro | 532 | fprintf(stderr, _("grubby: kernel path expected\n")); |
4068 | return 1; | ||
4069 | } | ||
4070 | |||
4071 | if (newKernelPath && updateKernelPath) { | ||
4072 | fprintf(stderr, _("grubby: --add-kernel and --update-kernel may" | ||
4073 | "not be used together")); | ||
4074 | return 1; | ||
4075 | } | ||
4076 | |||
4077 | if (makeDefault && defaultKernel) { | ||
4078 | fprintf(stderr, _("grubby: --make-default and --default-kernel " | ||
4079 | "may not be used together\n")); | ||
4080 | return 1; | ||
4081 | } else if (defaultKernel && removeKernelPath && | ||
4082 | !strcmp(defaultKernel, removeKernelPath)) { | ||
4083 | fprintf(stderr, _("grubby: cannot make removed kernel the default\n")); | ||
4084 | return 1; | ||
4085 | } else if (defaultKernel && newKernelPath && | ||
4086 | !strcmp(defaultKernel, newKernelPath)) { | ||
4087 | makeDefault = 1; | ||
4088 | defaultKernel = NULL; | ||
4089 | } | ||
4090 | niro | 1859 | else if (defaultKernel && (defaultIndex >= 0)) { |
4091 | fprintf(stderr, _("grubby: --set-default and --set-default-index " | ||
4092 | "may not be used together\n")); | ||
4093 | return 1; | ||
4094 | } | ||
4095 | niro | 532 | |
4096 | niro | 1717 | if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) { |
4097 | niro | 532 | fprintf(stderr, _("grubby: output file must be specified if stdin " |
4098 | "is used\n")); | ||
4099 | return 1; | ||
4100 | } | ||
4101 | |||
4102 | if (!removeKernelPath && !newKernelPath && !displayDefault && !defaultKernel | ||
4103 | niro | 1859 | && !kernelInfo && !bootloaderProbe && !updateKernelPath |
4104 | && !removeMBKernel && !displayDefaultIndex && !displayDefaultTitle | ||
4105 | && (defaultIndex == -1)) { | ||
4106 | niro | 532 | fprintf(stderr, _("grubby: no action specified\n")); |
4107 | return 1; | ||
4108 | } | ||
4109 | |||
4110 | flags |= badImageOkay ? GRUBBY_BADIMAGE_OKAY : 0; | ||
4111 | |||
4112 | if (cfi->needsBootPrefix) { | ||
4113 | if (!bootPrefix) { | ||
4114 | bootPrefix = findBootPrefix(); | ||
4115 | if (!bootPrefix) return 1; | ||
4116 | } else { | ||
4117 | /* this shouldn't end with a / */ | ||
4118 | if (bootPrefix[strlen(bootPrefix) - 1] == '/') | ||
4119 | bootPrefix[strlen(bootPrefix) - 1] = '\0'; | ||
4120 | } | ||
4121 | } else { | ||
4122 | bootPrefix = ""; | ||
4123 | } | ||
4124 | |||
4125 | niro | 914 | if (!cfi->mbAllowExtraInitRds && |
4126 | extraInitrdCount > 0) { | ||
4127 | fprintf(stderr, _("grubby: %s doesn't allow multiple initrds\n"), cfi->defaultConfig); | ||
4128 | return 1; | ||
4129 | } | ||
4130 | |||
4131 | niro | 532 | if (bootloaderProbe) { |
4132 | niro | 1854 | int lrc = 0, grc = 0, gr2c = 0, extrc = 0, yrc = 0, erc = 0; |
4133 | struct grubConfig * lconfig, * gconfig, * yconfig, * econfig; | ||
4134 | niro | 532 | |
4135 | niro | 1696 | const char *grub2config = grub2FindConfig(&grub2ConfigType); |
4136 | if (grub2config) { | ||
4137 | gconfig = readConfig(grub2config, &grub2ConfigType); | ||
4138 | if (!gconfig) | ||
4139 | gr2c = 1; | ||
4140 | else | ||
4141 | gr2c = checkForGrub2(gconfig); | ||
4142 | } | ||
4143 | |||
4144 | niro | 1715 | const char *grubconfig = grubFindConfig(&grubConfigType); |
4145 | if (!access(grubconfig, F_OK)) { | ||
4146 | gconfig = readConfig(grubconfig, &grubConfigType); | ||
4147 | niro | 532 | if (!gconfig) |
4148 | grc = 1; | ||
4149 | else | ||
4150 | grc = checkForGrub(gconfig); | ||
4151 | } | ||
4152 | |||
4153 | if (!access(liloConfigType.defaultConfig, F_OK)) { | ||
4154 | lconfig = readConfig(liloConfigType.defaultConfig, &liloConfigType); | ||
4155 | if (!lconfig) | ||
4156 | lrc = 1; | ||
4157 | else | ||
4158 | lrc = checkForLilo(lconfig); | ||
4159 | } | ||
4160 | |||
4161 | niro | 1854 | if (!access(eliloConfigType.defaultConfig, F_OK)) { |
4162 | econfig = readConfig(eliloConfigType.defaultConfig, | ||
4163 | &eliloConfigType); | ||
4164 | if (!econfig) | ||
4165 | erc = 1; | ||
4166 | else | ||
4167 | erc = checkForElilo(econfig); | ||
4168 | } | ||
4169 | |||
4170 | niro | 914 | if (!access(extlinuxConfigType.defaultConfig, F_OK)) { |
4171 | lconfig = readConfig(extlinuxConfigType.defaultConfig, &extlinuxConfigType); | ||
4172 | if (!lconfig) | ||
4173 | niro | 1854 | extrc = 1; |
4174 | niro | 914 | else |
4175 | niro | 1854 | extrc = checkForExtLinux(lconfig); |
4176 | niro | 914 | } |
4177 | |||
4178 | niro | 532 | |
4179 | niro | 1853 | if (!access(yabootConfigType.defaultConfig, F_OK)) { |
4180 | yconfig = readConfig(yabootConfigType.defaultConfig, | ||
4181 | &yabootConfigType); | ||
4182 | if (!yconfig) | ||
4183 | yrc = 1; | ||
4184 | else | ||
4185 | niro | 1864 | yrc = checkForYaboot(yconfig); |
4186 | niro | 1853 | } |
4187 | |||
4188 | niro | 1854 | if (lrc == 1 || grc == 1 || gr2c == 1 || extrc == 1 || yrc == 1 || |
4189 | niro | 1855 | erc == 1) |
4190 | niro | 1854 | return 1; |
4191 | niro | 1853 | |
4192 | niro | 532 | if (lrc == 2) printf("lilo\n"); |
4193 | niro | 1696 | if (gr2c == 2) printf("grub2\n"); |
4194 | niro | 532 | if (grc == 2) printf("grub\n"); |
4195 | niro | 1854 | if (extrc == 2) printf("extlinux\n"); |
4196 | niro | 1853 | if (yrc == 2) printf("yaboot\n"); |
4197 | niro | 1854 | if (erc == 2) printf("elilo\n"); |
4198 | niro | 532 | |
4199 | return 0; | ||
4200 | } | ||
4201 | |||
4202 | niro | 2246 | if (grubConfig == NULL) { |
4203 | printf("Could not find bootloader configuration file.\n"); | ||
4204 | exit(1); | ||
4205 | } | ||
4206 | |||
4207 | niro | 532 | config = readConfig(grubConfig, cfi); |
4208 | if (!config) return 1; | ||
4209 | |||
4210 | if (displayDefault) { | ||
4211 | struct singleLine * line; | ||
4212 | struct singleEntry * entry; | ||
4213 | char * rootspec; | ||
4214 | |||
4215 | if (config->defaultImage == -1) return 0; | ||
4216 | entry = findEntryByIndex(config, config->defaultImage); | ||
4217 | if (!entry) return 0; | ||
4218 | if (!suitableImage(entry, bootPrefix, 0, flags)) return 0; | ||
4219 | |||
4220 | niro | 1940 | line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI, entry->lines); |
4221 | niro | 532 | if (!line) return 0; |
4222 | |||
4223 | rootspec = getRootSpecifier(line->elements[1].item); | ||
4224 | printf("%s%s\n", bootPrefix, line->elements[1].item + | ||
4225 | ((rootspec != NULL) ? strlen(rootspec) : 0)); | ||
4226 | |||
4227 | return 0; | ||
4228 | niro | 1720 | |
4229 | niro | 1721 | } else if (displayDefaultTitle) { |
4230 | struct singleLine * line; | ||
4231 | struct singleEntry * entry; | ||
4232 | |||
4233 | if (config->defaultImage == -1) return 0; | ||
4234 | entry = findEntryByIndex(config, config->defaultImage); | ||
4235 | if (!entry) return 0; | ||
4236 | |||
4237 | if (!configureGrub2) { | ||
4238 | line = getLineByType(LT_TITLE, entry->lines); | ||
4239 | if (!line) return 0; | ||
4240 | printf("%s\n", line->elements[1].item); | ||
4241 | |||
4242 | } else { | ||
4243 | niro | 1746 | char * title; |
4244 | niro | 1721 | |
4245 | dbgPrintf("This is GRUB2, default title is embeded in menuentry\n"); | ||
4246 | line = getLineByType(LT_MENUENTRY, entry->lines); | ||
4247 | if (!line) return 0; | ||
4248 | niro | 1746 | title = grub2ExtractTitle(line); |
4249 | if (title) | ||
4250 | printf("%s\n", title); | ||
4251 | niro | 1721 | } |
4252 | return 0; | ||
4253 | |||
4254 | niro | 1720 | } else if (displayDefaultIndex) { |
4255 | if (config->defaultImage == -1) return 0; | ||
4256 | printf("%i\n", config->defaultImage); | ||
4257 | |||
4258 | niro | 532 | } else if (kernelInfo) |
4259 | return displayInfo(config, kernelInfo, bootPrefix); | ||
4260 | |||
4261 | if (copyDefault) { | ||
4262 | template = findTemplate(config, bootPrefix, NULL, 0, flags); | ||
4263 | if (!template) return 1; | ||
4264 | } | ||
4265 | |||
4266 | markRemovedImage(config, removeKernelPath, bootPrefix); | ||
4267 | markRemovedImage(config, removeMBKernel, bootPrefix); | ||
4268 | setDefaultImage(config, newKernelPath != NULL, defaultKernel, makeDefault, | ||
4269 | niro | 1859 | bootPrefix, flags, defaultIndex); |
4270 | niro | 532 | setFallbackImage(config, newKernelPath != NULL); |
4271 | if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs, | ||
4272 | removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1; | ||
4273 | niro | 1156 | if (updateKernelPath && newKernelInitrd) { |
4274 | if (updateInitrd(config, updateKernelPath, bootPrefix, | ||
4275 | newKernelInitrd)) return 1; | ||
4276 | } | ||
4277 | niro | 532 | if (addNewKernel(config, template, bootPrefix, newKernelPath, |
4278 | newKernelTitle, newKernelArgs, newKernelInitrd, | ||
4279 | niro | 1844 | (const char **)extraInitrds, extraInitrdCount, |
4280 | niro | 532 | newMBKernel, newMBKernelArgs)) return 1; |
4281 | |||
4282 | |||
4283 | if (numEntries(config) == 0) { | ||
4284 | fprintf(stderr, _("grubby: doing this would leave no kernel entries. " | ||
4285 | "Not writing out new config.\n")); | ||
4286 | return 1; | ||
4287 | } | ||
4288 | |||
4289 | if (!outputFile) | ||
4290 | niro | 1696 | outputFile = (char *)grubConfig; |
4291 | niro | 532 | |
4292 | return writeConfig(config, outputFile, bootPrefix); | ||
4293 | } |