Annotation of /trunk/grubby/grubby.c
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Wed Jul 16 10:42:34 2014 UTC (10 years, 2 months ago) by niro
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Wed Jul 16 10:42:34 2014 UTC (10 years, 2 months ago) by niro
File MIME type: text/plain
File size: 128764 byte(s)
Always choose linux/initrd on efi-only platforms.
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 | 2688 | #if defined(__arch64__) |
64 | #define isEfiOnly 1 | ||
65 | #else | ||
66 | #define isEfiOnly 0 | ||
67 | #endif | ||
68 | |||
69 | niro | 2236 | char *saved_command_line = NULL; |
70 | |||
71 | niro | 532 | /* comments get lumped in with indention */ |
72 | struct lineElement { | ||
73 | char * item; | ||
74 | char * indent; | ||
75 | }; | ||
76 | |||
77 | niro | 914 | enum lineType_e { |
78 | niro | 1696 | LT_WHITESPACE = 1 << 0, |
79 | LT_TITLE = 1 << 1, | ||
80 | LT_KERNEL = 1 << 2, | ||
81 | LT_INITRD = 1 << 3, | ||
82 | LT_HYPER = 1 << 4, | ||
83 | LT_DEFAULT = 1 << 5, | ||
84 | LT_MBMODULE = 1 << 6, | ||
85 | LT_ROOT = 1 << 7, | ||
86 | LT_FALLBACK = 1 << 8, | ||
87 | LT_KERNELARGS = 1 << 9, | ||
88 | LT_BOOT = 1 << 10, | ||
89 | LT_BOOTROOT = 1 << 11, | ||
90 | LT_LBA = 1 << 12, | ||
91 | LT_OTHER = 1 << 13, | ||
92 | LT_GENERIC = 1 << 14, | ||
93 | LT_ECHO = 1 << 16, | ||
94 | LT_MENUENTRY = 1 << 17, | ||
95 | LT_ENTRY_END = 1 << 18, | ||
96 | LT_SET_VARIABLE = 1 << 19, | ||
97 | niro | 1940 | LT_KERNEL_EFI = 1 << 20, |
98 | LT_INITRD_EFI = 1 << 21, | ||
99 | niro | 2683 | LT_KERNEL_16 = 1 << 22, |
100 | LT_INITRD_16 = 1 << 23, | ||
101 | niro | 2685 | LT_DEVTREE = 1 << 24, |
102 | LT_UNKNOWN = 1 << 25, | ||
103 | niro | 914 | }; |
104 | niro | 532 | |
105 | struct singleLine { | ||
106 | char * indent; | ||
107 | int numElements; | ||
108 | struct lineElement * elements; | ||
109 | struct singleLine * next; | ||
110 | enum lineType_e type; | ||
111 | }; | ||
112 | |||
113 | struct singleEntry { | ||
114 | struct singleLine * lines; | ||
115 | int skip; | ||
116 | int multiboot; | ||
117 | struct singleEntry * next; | ||
118 | }; | ||
119 | |||
120 | #define GRUBBY_BADIMAGE_OKAY (1 << 0) | ||
121 | |||
122 | #define GRUB_CONFIG_NO_DEFAULT (1 << 0) /* don't write out default=0 */ | ||
123 | |||
124 | niro | 914 | /* These defines are (only) used in addNewKernel() */ |
125 | #define NEED_KERNEL (1 << 0) | ||
126 | #define NEED_INITRD (1 << 1) | ||
127 | #define NEED_TITLE (1 << 2) | ||
128 | #define NEED_ARGS (1 << 3) | ||
129 | #define NEED_MB (1 << 4) | ||
130 | niro | 1696 | #define NEED_END (1 << 5) |
131 | niro | 2685 | #define NEED_DEVTREE (1 << 6) |
132 | niro | 532 | |
133 | #define MAIN_DEFAULT (1 << 0) | ||
134 | #define DEFAULT_SAVED -2 | ||
135 | niro | 1748 | #define DEFAULT_SAVED_GRUB2 -3 |
136 | niro | 532 | |
137 | struct keywordTypes { | ||
138 | char * key; | ||
139 | enum lineType_e type; | ||
140 | char nextChar; | ||
141 | niro | 914 | char separatorChar; |
142 | }; | ||
143 | niro | 532 | |
144 | niro | 1696 | struct configFileInfo; |
145 | |||
146 | typedef const char *(*findConfigFunc)(struct configFileInfo *); | ||
147 | typedef const int (*writeLineFunc)(struct configFileInfo *, | ||
148 | struct singleLine *line); | ||
149 | niro | 2252 | typedef char *(*getEnvFunc)(struct configFileInfo *, char *name); |
150 | typedef int (*setEnvFunc)(struct configFileInfo *, char *name, char *value); | ||
151 | niro | 1696 | |
152 | niro | 532 | struct configFileInfo { |
153 | char * defaultConfig; | ||
154 | niro | 1696 | findConfigFunc findConfig; |
155 | writeLineFunc writeLine; | ||
156 | niro | 2252 | getEnvFunc getEnv; |
157 | setEnvFunc setEnv; | ||
158 | niro | 532 | struct keywordTypes * keywords; |
159 | niro | 2056 | int caseInsensitive; |
160 | niro | 532 | int defaultIsIndex; |
161 | niro | 1696 | int defaultIsVariable; |
162 | niro | 532 | int defaultSupportSaved; |
163 | niro | 2252 | int defaultIsSaved; |
164 | niro | 1693 | enum lineType_e entryStart; |
165 | niro | 1696 | enum lineType_e entryEnd; |
166 | niro | 532 | int needsBootPrefix; |
167 | int argsInQuotes; | ||
168 | int maxTitleLength; | ||
169 | int titleBracketed; | ||
170 | niro | 1696 | int titlePosition; |
171 | niro | 914 | int mbHyperFirst; |
172 | int mbInitRdIsModule; | ||
173 | int mbConcatArgs; | ||
174 | int mbAllowExtraInitRds; | ||
175 | niro | 2252 | char *envFile; |
176 | niro | 532 | }; |
177 | |||
178 | struct keywordTypes grubKeywords[] = { | ||
179 | { "title", LT_TITLE, ' ' }, | ||
180 | { "root", LT_BOOTROOT, ' ' }, | ||
181 | { "default", LT_DEFAULT, ' ' }, | ||
182 | { "fallback", LT_FALLBACK, ' ' }, | ||
183 | { "kernel", LT_KERNEL, ' ' }, | ||
184 | niro | 914 | { "initrd", LT_INITRD, ' ', ' ' }, |
185 | niro | 532 | { "module", LT_MBMODULE, ' ' }, |
186 | niro | 914 | { "kernel", LT_HYPER, ' ' }, |
187 | niro | 532 | { NULL, 0, 0 }, |
188 | }; | ||
189 | |||
190 | niro | 1715 | const char *grubFindConfig(struct configFileInfo *cfi) { |
191 | static const char *configFiles[] = { | ||
192 | "/boot/grub/grub.conf", | ||
193 | "/boot/grub/menu.lst", | ||
194 | niro | 1852 | "/etc/grub.conf", |
195 | niro | 2262 | "/boot/grub2/grub.cfg", |
196 | "/boot/grub2-efi/grub.cfg", | ||
197 | niro | 1715 | NULL |
198 | }; | ||
199 | static int i = -1; | ||
200 | |||
201 | if (i == -1) { | ||
202 | for (i = 0; configFiles[i] != NULL; i++) { | ||
203 | dbgPrintf("Checking \"%s\": ", configFiles[i]); | ||
204 | if (!access(configFiles[i], R_OK)) { | ||
205 | dbgPrintf("found\n"); | ||
206 | return configFiles[i]; | ||
207 | } | ||
208 | dbgPrintf("not found\n"); | ||
209 | } | ||
210 | } | ||
211 | return configFiles[i]; | ||
212 | } | ||
213 | |||
214 | niro | 532 | struct configFileInfo grubConfigType = { |
215 | niro | 1715 | .findConfig = grubFindConfig, |
216 | niro | 1692 | .keywords = grubKeywords, |
217 | .defaultIsIndex = 1, | ||
218 | .defaultSupportSaved = 1, | ||
219 | niro | 1693 | .entryStart = LT_TITLE, |
220 | niro | 1692 | .needsBootPrefix = 1, |
221 | .mbHyperFirst = 1, | ||
222 | .mbInitRdIsModule = 1, | ||
223 | .mbAllowExtraInitRds = 1, | ||
224 | niro | 532 | }; |
225 | |||
226 | niro | 1696 | struct keywordTypes grub2Keywords[] = { |
227 | { "menuentry", LT_MENUENTRY, ' ' }, | ||
228 | { "}", LT_ENTRY_END, ' ' }, | ||
229 | { "echo", LT_ECHO, ' ' }, | ||
230 | { "set", LT_SET_VARIABLE,' ', '=' }, | ||
231 | { "root", LT_BOOTROOT, ' ' }, | ||
232 | { "default", LT_DEFAULT, ' ' }, | ||
233 | { "fallback", LT_FALLBACK, ' ' }, | ||
234 | { "linux", LT_KERNEL, ' ' }, | ||
235 | niro | 1940 | { "linuxefi", LT_KERNEL_EFI, ' ' }, |
236 | niro | 2683 | { "linux16", LT_KERNEL_16, ' ' }, |
237 | niro | 1696 | { "initrd", LT_INITRD, ' ', ' ' }, |
238 | niro | 1940 | { "initrdefi", LT_INITRD_EFI, ' ', ' ' }, |
239 | niro | 2683 | { "initrd16", LT_INITRD_16, ' ', ' ' }, |
240 | niro | 1696 | { "module", LT_MBMODULE, ' ' }, |
241 | { "kernel", LT_HYPER, ' ' }, | ||
242 | niro | 2685 | { "devicetree", LT_DEVTREE, ' ' }, |
243 | niro | 1696 | { NULL, 0, 0 }, |
244 | }; | ||
245 | |||
246 | const char *grub2FindConfig(struct configFileInfo *cfi) { | ||
247 | static const char *configFiles[] = { | ||
248 | "/boot/grub/grub-efi.cfg", | ||
249 | "/boot/grub/grub.cfg", | ||
250 | NULL | ||
251 | }; | ||
252 | static int i = -1; | ||
253 | niro | 1714 | static const char *grub_cfg = "/boot/grub/grub.cfg"; |
254 | niro | 2246 | int rc = -1; |
255 | niro | 1696 | |
256 | if (i == -1) { | ||
257 | for (i = 0; configFiles[i] != NULL; i++) { | ||
258 | dbgPrintf("Checking \"%s\": ", configFiles[i]); | ||
259 | niro | 2246 | if ((rc = access(configFiles[i], R_OK))) { |
260 | if (errno == EACCES) { | ||
261 | printf("Unable to access bootloader configuration file " | ||
262 | "\"%s\": %m\n", configFiles[i]); | ||
263 | exit(1); | ||
264 | } | ||
265 | continue; | ||
266 | } else { | ||
267 | niro | 1696 | dbgPrintf("found\n"); |
268 | return configFiles[i]; | ||
269 | } | ||
270 | } | ||
271 | } | ||
272 | niro | 1714 | |
273 | /* Ubuntu renames grub2 to grub, so check for the grub.d directory | ||
274 | * that isn't in grub1, and if it exists, return the config file path | ||
275 | * that they use. */ | ||
276 | if (configFiles[i] == NULL && !access("/etc/grub.d/", R_OK)) { | ||
277 | dbgPrintf("found\n"); | ||
278 | return grub_cfg; | ||
279 | } | ||
280 | |||
281 | dbgPrintf("not found\n"); | ||
282 | niro | 1696 | return configFiles[i]; |
283 | } | ||
284 | |||
285 | niro | 2252 | /* kind of hacky. It'll give the first 1024 bytes, ish. */ |
286 | static char *grub2GetEnv(struct configFileInfo *info, char *name) | ||
287 | { | ||
288 | static char buf[1025]; | ||
289 | char *s = NULL; | ||
290 | char *ret = NULL; | ||
291 | niro | 2682 | char *envFile = info->envFile ? info->envFile : "/boot/grub/grubenv"; |
292 | int rc = asprintf(&s, "grub-editenv %s list | grep '^%s='", envFile, name); | ||
293 | niro | 2252 | |
294 | if (rc < 0) | ||
295 | return NULL; | ||
296 | |||
297 | FILE *f = popen(s, "r"); | ||
298 | if (!f) | ||
299 | goto out; | ||
300 | |||
301 | memset(buf, '\0', sizeof (buf)); | ||
302 | ret = fgets(buf, 1024, f); | ||
303 | pclose(f); | ||
304 | |||
305 | if (ret) { | ||
306 | ret += strlen(name) + 1; | ||
307 | ret[strlen(ret) - 1] = '\0'; | ||
308 | } | ||
309 | dbgPrintf("grub2GetEnv(%s): %s\n", name, ret); | ||
310 | out: | ||
311 | free(s); | ||
312 | return ret; | ||
313 | } | ||
314 | |||
315 | niro | 2257 | static int sPopCount(const char *s, const char *c) |
316 | { | ||
317 | int ret = 0; | ||
318 | if (!s) | ||
319 | return -1; | ||
320 | for (int i = 0; s[i] != '\0'; i++) | ||
321 | for (int j = 0; c[j] != '\0'; j++) | ||
322 | if (s[i] == c[j]) | ||
323 | ret++; | ||
324 | return ret; | ||
325 | } | ||
326 | |||
327 | static char *shellEscape(const char *s) | ||
328 | { | ||
329 | int l = strlen(s) + sPopCount(s, "'") * 2; | ||
330 | |||
331 | char *ret = calloc(l+1, sizeof (*ret)); | ||
332 | if (!ret) | ||
333 | return NULL; | ||
334 | for (int i = 0, j = 0; s[i] != '\0'; i++, j++) { | ||
335 | if (s[i] == '\'') | ||
336 | ret[j++] = '\\'; | ||
337 | ret[j] = s[i]; | ||
338 | } | ||
339 | return ret; | ||
340 | } | ||
341 | |||
342 | static void unquote(char *s) | ||
343 | { | ||
344 | int l = strlen(s); | ||
345 | |||
346 | if ((s[l-1] == '\'' && s[0] == '\'') || (s[l-1] == '"' && s[0] == '"')) { | ||
347 | memmove(s, s+1, l-2); | ||
348 | s[l-2] = '\0'; | ||
349 | } | ||
350 | } | ||
351 | |||
352 | niro | 2252 | static int grub2SetEnv(struct configFileInfo *info, char *name, char *value) |
353 | { | ||
354 | char *s = NULL; | ||
355 | int rc = 0; | ||
356 | niro | 2682 | char *envFile = info->envFile ? info->envFile : "/boot/grub/grubenv"; |
357 | niro | 2252 | |
358 | niro | 2257 | unquote(value); |
359 | value = shellEscape(value); | ||
360 | if (!value) | ||
361 | return -1; | ||
362 | |||
363 | niro | 2682 | rc = asprintf(&s, "grub-editenv %s set '%s=%s'", envFile, name, value); |
364 | niro | 2257 | free(value); |
365 | niro | 2252 | if (rc <0) |
366 | return -1; | ||
367 | |||
368 | dbgPrintf("grub2SetEnv(%s): %s\n", name, s); | ||
369 | rc = system(s); | ||
370 | free(s); | ||
371 | return rc; | ||
372 | } | ||
373 | |||
374 | /* this is a gigantic hack to avoid clobbering grub2 variables... */ | ||
375 | static int is_special_grub2_variable(const char *name) | ||
376 | { | ||
377 | if (!strcmp(name,"\"${next_entry}\"")) | ||
378 | return 1; | ||
379 | if (!strcmp(name,"\"${prev_saved_entry}\"")) | ||
380 | return 1; | ||
381 | return 0; | ||
382 | } | ||
383 | |||
384 | niro | 1746 | int sizeOfSingleLine(struct singleLine * line) { |
385 | int count = 0; | ||
386 | |||
387 | niro | 1846 | for (int i = 0; i < line->numElements; i++) { |
388 | niro | 1746 | int indentSize = 0; |
389 | |||
390 | count = count + strlen(line->elements[i].item); | ||
391 | |||
392 | indentSize = strlen(line->elements[i].indent); | ||
393 | if (indentSize > 0) | ||
394 | count = count + indentSize; | ||
395 | else | ||
396 | /* be extra safe and add room for whitespaces */ | ||
397 | count = count + 1; | ||
398 | } | ||
399 | |||
400 | /* room for trailing terminator */ | ||
401 | count = count + 1; | ||
402 | |||
403 | return count; | ||
404 | } | ||
405 | |||
406 | niro | 1800 | static int isquote(char q) |
407 | { | ||
408 | if (q == '\'' || q == '\"') | ||
409 | return 1; | ||
410 | return 0; | ||
411 | } | ||
412 | |||
413 | niro | 1940 | static int iskernel(enum lineType_e type) { |
414 | niro | 2683 | return (type == LT_KERNEL || type == LT_KERNEL_EFI || type == LT_KERNEL_16); |
415 | niro | 1940 | } |
416 | |||
417 | static int isinitrd(enum lineType_e type) { | ||
418 | niro | 2683 | return (type == LT_INITRD || type == LT_INITRD_EFI || type == LT_INITRD_16); |
419 | niro | 1940 | } |
420 | |||
421 | niro | 1746 | char *grub2ExtractTitle(struct singleLine * line) { |
422 | char * current; | ||
423 | char * current_indent; | ||
424 | int current_len; | ||
425 | int current_indent_len; | ||
426 | int i; | ||
427 | |||
428 | /* bail out if line does not start with menuentry */ | ||
429 | if (strcmp(line->elements[0].item, "menuentry")) | ||
430 | return NULL; | ||
431 | |||
432 | i = 1; | ||
433 | current = line->elements[i].item; | ||
434 | current_len = strlen(current); | ||
435 | |||
436 | /* if second word is quoted, strip the quotes and return single word */ | ||
437 | niro | 1800 | if (isquote(*current) && isquote(current[current_len - 1])) { |
438 | char *tmp; | ||
439 | |||
440 | tmp = strdup(current); | ||
441 | *(tmp + current_len - 1) = '\0'; | ||
442 | return ++tmp; | ||
443 | niro | 1746 | } |
444 | |||
445 | /* if no quotes, return second word verbatim */ | ||
446 | niro | 1800 | if (!isquote(*current)) |
447 | return current; | ||
448 | niro | 1746 | |
449 | /* second element start with a quote, so we have to find the element | ||
450 | * whose last character is also quote (assuming it's the closing one) */ | ||
451 | niro | 1800 | int resultMaxSize; |
452 | char * result; | ||
453 | |||
454 | resultMaxSize = sizeOfSingleLine(line); | ||
455 | result = malloc(resultMaxSize); | ||
456 | snprintf(result, resultMaxSize, "%s", ++current); | ||
457 | |||
458 | i++; | ||
459 | for (; i < line->numElements; ++i) { | ||
460 | niro | 1746 | current = line->elements[i].item; |
461 | current_len = strlen(current); | ||
462 | current_indent = line->elements[i].indent; | ||
463 | current_indent_len = strlen(current_indent); | ||
464 | |||
465 | strncat(result, current_indent, current_indent_len); | ||
466 | niro | 1800 | if (!isquote(current[current_len-1])) { |
467 | strncat(result, current, current_len); | ||
468 | niro | 1746 | } else { |
469 | niro | 1800 | strncat(result, current, current_len - 1); |
470 | break; | ||
471 | niro | 1746 | } |
472 | } | ||
473 | niro | 1800 | return result; |
474 | niro | 1746 | } |
475 | |||
476 | niro | 1696 | struct configFileInfo grub2ConfigType = { |
477 | .findConfig = grub2FindConfig, | ||
478 | niro | 2252 | .getEnv = grub2GetEnv, |
479 | .setEnv = grub2SetEnv, | ||
480 | niro | 1696 | .keywords = grub2Keywords, |
481 | .defaultIsIndex = 1, | ||
482 | niro | 1748 | .defaultSupportSaved = 1, |
483 | niro | 1696 | .defaultIsVariable = 1, |
484 | .entryStart = LT_MENUENTRY, | ||
485 | .entryEnd = LT_ENTRY_END, | ||
486 | .titlePosition = 1, | ||
487 | .needsBootPrefix = 1, | ||
488 | .mbHyperFirst = 1, | ||
489 | .mbInitRdIsModule = 1, | ||
490 | .mbAllowExtraInitRds = 1, | ||
491 | }; | ||
492 | |||
493 | niro | 532 | struct keywordTypes yabootKeywords[] = { |
494 | { "label", LT_TITLE, '=' }, | ||
495 | { "root", LT_ROOT, '=' }, | ||
496 | { "default", LT_DEFAULT, '=' }, | ||
497 | { "image", LT_KERNEL, '=' }, | ||
498 | { "bsd", LT_GENERIC, '=' }, | ||
499 | { "macos", LT_GENERIC, '=' }, | ||
500 | { "macosx", LT_GENERIC, '=' }, | ||
501 | { "magicboot", LT_GENERIC, '=' }, | ||
502 | { "darwin", LT_GENERIC, '=' }, | ||
503 | { "timeout", LT_GENERIC, '=' }, | ||
504 | { "install", LT_GENERIC, '=' }, | ||
505 | { "fstype", LT_GENERIC, '=' }, | ||
506 | { "hfstype", LT_GENERIC, '=' }, | ||
507 | { "delay", LT_GENERIC, '=' }, | ||
508 | { "defaultos", LT_GENERIC, '=' }, | ||
509 | { "init-message", LT_GENERIC, '=' }, | ||
510 | { "enablecdboot", LT_GENERIC, ' ' }, | ||
511 | { "enableofboot", LT_GENERIC, ' ' }, | ||
512 | { "enablenetboot", LT_GENERIC, ' ' }, | ||
513 | { "nonvram", LT_GENERIC, ' ' }, | ||
514 | { "hide", LT_GENERIC, ' ' }, | ||
515 | { "protect", LT_GENERIC, ' ' }, | ||
516 | { "nobless", LT_GENERIC, ' ' }, | ||
517 | { "nonvram", LT_GENERIC, ' ' }, | ||
518 | { "brokenosx", LT_GENERIC, ' ' }, | ||
519 | { "usemount", LT_GENERIC, ' ' }, | ||
520 | { "mntpoint", LT_GENERIC, '=' }, | ||
521 | { "partition", LT_GENERIC, '=' }, | ||
522 | { "device", LT_GENERIC, '=' }, | ||
523 | { "fstype", LT_GENERIC, '=' }, | ||
524 | niro | 914 | { "initrd", LT_INITRD, '=', ';' }, |
525 | niro | 532 | { "append", LT_KERNELARGS, '=' }, |
526 | { "boot", LT_BOOT, '=' }, | ||
527 | { "lba", LT_LBA, ' ' }, | ||
528 | { NULL, 0, 0 }, | ||
529 | }; | ||
530 | |||
531 | struct keywordTypes liloKeywords[] = { | ||
532 | { "label", LT_TITLE, '=' }, | ||
533 | { "root", LT_ROOT, '=' }, | ||
534 | { "default", LT_DEFAULT, '=' }, | ||
535 | { "image", LT_KERNEL, '=' }, | ||
536 | { "other", LT_OTHER, '=' }, | ||
537 | { "initrd", LT_INITRD, '=' }, | ||
538 | { "append", LT_KERNELARGS, '=' }, | ||
539 | { "boot", LT_BOOT, '=' }, | ||
540 | { "lba", LT_LBA, ' ' }, | ||
541 | { NULL, 0, 0 }, | ||
542 | }; | ||
543 | |||
544 | niro | 914 | struct keywordTypes eliloKeywords[] = { |
545 | { "label", LT_TITLE, '=' }, | ||
546 | { "root", LT_ROOT, '=' }, | ||
547 | { "default", LT_DEFAULT, '=' }, | ||
548 | { "image", LT_KERNEL, '=' }, | ||
549 | { "initrd", LT_INITRD, '=' }, | ||
550 | { "append", LT_KERNELARGS, '=' }, | ||
551 | { "vmm", LT_HYPER, '=' }, | ||
552 | { NULL, 0, 0 }, | ||
553 | }; | ||
554 | |||
555 | niro | 532 | struct keywordTypes siloKeywords[] = { |
556 | { "label", LT_TITLE, '=' }, | ||
557 | { "root", LT_ROOT, '=' }, | ||
558 | { "default", LT_DEFAULT, '=' }, | ||
559 | { "image", LT_KERNEL, '=' }, | ||
560 | { "other", LT_OTHER, '=' }, | ||
561 | { "initrd", LT_INITRD, '=' }, | ||
562 | { "append", LT_KERNELARGS, '=' }, | ||
563 | { "boot", LT_BOOT, '=' }, | ||
564 | { NULL, 0, 0 }, | ||
565 | }; | ||
566 | |||
567 | struct keywordTypes ziplKeywords[] = { | ||
568 | { "target", LT_BOOTROOT, '=' }, | ||
569 | { "image", LT_KERNEL, '=' }, | ||
570 | { "ramdisk", LT_INITRD, '=' }, | ||
571 | { "parameters", LT_KERNELARGS, '=' }, | ||
572 | { "default", LT_DEFAULT, '=' }, | ||
573 | { NULL, 0, 0 }, | ||
574 | }; | ||
575 | |||
576 | niro | 914 | struct keywordTypes extlinuxKeywords[] = { |
577 | { "label", LT_TITLE, ' ' }, | ||
578 | { "root", LT_ROOT, ' ' }, | ||
579 | { "default", LT_DEFAULT, ' ' }, | ||
580 | { "kernel", LT_KERNEL, ' ' }, | ||
581 | { "initrd", LT_INITRD, ' ', ',' }, | ||
582 | { "append", LT_KERNELARGS, ' ' }, | ||
583 | { "prompt", LT_UNKNOWN, ' ' }, | ||
584 | { NULL, 0, 0 }, | ||
585 | }; | ||
586 | int useextlinuxmenu; | ||
587 | niro | 532 | struct configFileInfo eliloConfigType = { |
588 | niro | 1692 | .defaultConfig = "/boot/efi/EFI/redhat/elilo.conf", |
589 | .keywords = eliloKeywords, | ||
590 | niro | 1693 | .entryStart = LT_KERNEL, |
591 | niro | 1692 | .needsBootPrefix = 1, |
592 | .argsInQuotes = 1, | ||
593 | .mbConcatArgs = 1, | ||
594 | niro | 532 | }; |
595 | |||
596 | struct configFileInfo liloConfigType = { | ||
597 | niro | 1692 | .defaultConfig = "/etc/lilo.conf", |
598 | .keywords = liloKeywords, | ||
599 | niro | 1693 | .entryStart = LT_KERNEL, |
600 | niro | 1692 | .argsInQuotes = 1, |
601 | .maxTitleLength = 15, | ||
602 | niro | 532 | }; |
603 | |||
604 | struct configFileInfo yabootConfigType = { | ||
605 | niro | 1692 | .defaultConfig = "/etc/yaboot.conf", |
606 | .keywords = yabootKeywords, | ||
607 | niro | 1693 | .entryStart = LT_KERNEL, |
608 | niro | 1692 | .needsBootPrefix = 1, |
609 | .argsInQuotes = 1, | ||
610 | .maxTitleLength = 15, | ||
611 | .mbAllowExtraInitRds = 1, | ||
612 | niro | 532 | }; |
613 | |||
614 | struct configFileInfo siloConfigType = { | ||
615 | niro | 1692 | .defaultConfig = "/etc/silo.conf", |
616 | .keywords = siloKeywords, | ||
617 | niro | 1693 | .entryStart = LT_KERNEL, |
618 | niro | 1692 | .needsBootPrefix = 1, |
619 | .argsInQuotes = 1, | ||
620 | .maxTitleLength = 15, | ||
621 | niro | 532 | }; |
622 | |||
623 | struct configFileInfo ziplConfigType = { | ||
624 | niro | 1692 | .defaultConfig = "/etc/zipl.conf", |
625 | .keywords = ziplKeywords, | ||
626 | niro | 1693 | .entryStart = LT_TITLE, |
627 | niro | 1692 | .argsInQuotes = 1, |
628 | .titleBracketed = 1, | ||
629 | niro | 532 | }; |
630 | |||
631 | niro | 914 | struct configFileInfo extlinuxConfigType = { |
632 | niro | 1692 | .defaultConfig = "/boot/extlinux/extlinux.conf", |
633 | .keywords = extlinuxKeywords, | ||
634 | niro | 2056 | .caseInsensitive = 1, |
635 | niro | 1693 | .entryStart = LT_TITLE, |
636 | niro | 1692 | .needsBootPrefix = 1, |
637 | .maxTitleLength = 255, | ||
638 | .mbAllowExtraInitRds = 1, | ||
639 | niro | 914 | }; |
640 | |||
641 | niro | 532 | struct grubConfig { |
642 | struct singleLine * theLines; | ||
643 | struct singleEntry * entries; | ||
644 | char * primaryIndent; | ||
645 | char * secondaryIndent; | ||
646 | int defaultImage; /* -1 if none specified -- this value is | ||
647 | * written out, overriding original */ | ||
648 | int fallbackImage; /* just like defaultImage */ | ||
649 | int flags; | ||
650 | struct configFileInfo * cfi; | ||
651 | }; | ||
652 | |||
653 | niro | 1156 | blkid_cache blkid; |
654 | |||
655 | niro | 532 | struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index); |
656 | struct singleEntry * findEntryByPath(struct grubConfig * cfg, | ||
657 | const char * path, const char * prefix, | ||
658 | int * index); | ||
659 | niro | 2252 | struct singleEntry * findEntryByTitle(struct grubConfig * cfg, char *title, |
660 | int * index); | ||
661 | niro | 532 | static int readFile(int fd, char ** bufPtr); |
662 | static void lineInit(struct singleLine * line); | ||
663 | niro | 914 | struct singleLine * lineDup(struct singleLine * line); |
664 | niro | 532 | static void lineFree(struct singleLine * line); |
665 | static int lineWrite(FILE * out, struct singleLine * line, | ||
666 | struct configFileInfo * cfi); | ||
667 | static int getNextLine(char ** bufPtr, struct singleLine * line, | ||
668 | struct configFileInfo * cfi); | ||
669 | static char * getRootSpecifier(char * str); | ||
670 | niro | 1696 | static void requote(struct singleLine *line, struct configFileInfo * cfi); |
671 | niro | 914 | static void insertElement(struct singleLine * line, |
672 | const char * item, int insertHere, | ||
673 | struct configFileInfo * cfi); | ||
674 | static void removeElement(struct singleLine * line, int removeHere); | ||
675 | static struct keywordTypes * getKeywordByType(enum lineType_e type, | ||
676 | struct configFileInfo * cfi); | ||
677 | static enum lineType_e getTypeByKeyword(char * keyword, | ||
678 | struct configFileInfo * cfi); | ||
679 | static struct singleLine * getLineByType(enum lineType_e type, | ||
680 | struct singleLine * line); | ||
681 | static int checkForExtLinux(struct grubConfig * config); | ||
682 | struct singleLine * addLineTmpl(struct singleEntry * entry, | ||
683 | struct singleLine * tmplLine, | ||
684 | struct singleLine * prevLine, | ||
685 | const char * val, | ||
686 | struct configFileInfo * cfi); | ||
687 | struct singleLine * addLine(struct singleEntry * entry, | ||
688 | struct configFileInfo * cfi, | ||
689 | enum lineType_e type, char * defaultIndent, | ||
690 | const char * val); | ||
691 | niro | 532 | |
692 | static char * sdupprintf(const char *format, ...) | ||
693 | #ifdef __GNUC__ | ||
694 | __attribute__ ((format (printf, 1, 2))); | ||
695 | #else | ||
696 | ; | ||
697 | #endif | ||
698 | |||
699 | static char * sdupprintf(const char *format, ...) { | ||
700 | char *buf = NULL; | ||
701 | char c; | ||
702 | va_list args; | ||
703 | size_t size = 0; | ||
704 | va_start(args, format); | ||
705 | |||
706 | /* XXX requires C99 vsnprintf behavior */ | ||
707 | size = vsnprintf(&c, 1, format, args) + 1; | ||
708 | if (size == -1) { | ||
709 | printf("ERROR: vsnprintf behavior is not C99\n"); | ||
710 | abort(); | ||
711 | } | ||
712 | |||
713 | va_end(args); | ||
714 | va_start(args, format); | ||
715 | |||
716 | buf = malloc(size); | ||
717 | if (buf == NULL) | ||
718 | return NULL; | ||
719 | vsnprintf(buf, size, format, args); | ||
720 | va_end (args); | ||
721 | |||
722 | return buf; | ||
723 | } | ||
724 | |||
725 | niro | 1940 | static enum lineType_e preferredLineType(enum lineType_e type, |
726 | struct configFileInfo *cfi) { | ||
727 | if (isEfi && cfi == &grub2ConfigType) { | ||
728 | switch (type) { | ||
729 | case LT_KERNEL: | ||
730 | niro | 2688 | return isEfiOnly ? LT_KERNEL : LT_KERNEL_EFI; |
731 | niro | 2687 | case LT_INITRD: |
732 | niro | 2688 | return isEfiOnly ? LT_INITRD : LT_INITRD_EFI; |
733 | niro | 1940 | default: |
734 | return type; | ||
735 | } | ||
736 | niro | 2683 | #if defined(__i386__) || defined(__x86_64__) |
737 | } else if (cfi == &grub2ConfigType) { | ||
738 | switch (type) { | ||
739 | case LT_KERNEL: | ||
740 | return LT_KERNEL_16; | ||
741 | case LT_INITRD: | ||
742 | return LT_INITRD_16; | ||
743 | default: | ||
744 | return type; | ||
745 | } | ||
746 | #endif | ||
747 | niro | 1940 | } |
748 | return type; | ||
749 | } | ||
750 | |||
751 | niro | 914 | static struct keywordTypes * getKeywordByType(enum lineType_e type, |
752 | struct configFileInfo * cfi) { | ||
753 | niro | 1846 | for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) { |
754 | niro | 914 | if (kw->type == type) |
755 | return kw; | ||
756 | } | ||
757 | return NULL; | ||
758 | } | ||
759 | |||
760 | niro | 1696 | static char *getKeyByType(enum lineType_e type, struct configFileInfo * cfi) { |
761 | struct keywordTypes *kt = getKeywordByType(type, cfi); | ||
762 | if (kt) | ||
763 | return kt->key; | ||
764 | return "unknown"; | ||
765 | } | ||
766 | |||
767 | niro | 914 | static char * getpathbyspec(char *device) { |
768 | if (!blkid) | ||
769 | blkid_get_cache(&blkid, NULL); | ||
770 | |||
771 | return blkid_get_devname(blkid, device, NULL); | ||
772 | } | ||
773 | |||
774 | niro | 1156 | static char * getuuidbydev(char *device) { |
775 | if (!blkid) | ||
776 | blkid_get_cache(&blkid, NULL); | ||
777 | |||
778 | return blkid_get_tag_value(blkid, "UUID", device); | ||
779 | } | ||
780 | |||
781 | niro | 914 | static enum lineType_e getTypeByKeyword(char * keyword, |
782 | struct configFileInfo * cfi) { | ||
783 | niro | 1846 | for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) { |
784 | niro | 2056 | if (cfi->caseInsensitive) { |
785 | if (!strcasecmp(keyword, kw->key)) | ||
786 | return kw->type; | ||
787 | } else { | ||
788 | if (!strcmp(keyword, kw->key)) | ||
789 | return kw->type; | ||
790 | } | ||
791 | niro | 914 | } |
792 | return LT_UNKNOWN; | ||
793 | } | ||
794 | |||
795 | static struct singleLine * getLineByType(enum lineType_e type, | ||
796 | struct singleLine * line) { | ||
797 | dbgPrintf("getLineByType(%d): ", type); | ||
798 | for (; line; line = line->next) { | ||
799 | dbgPrintf("%d:%s ", line->type, | ||
800 | line->numElements ? line->elements[0].item : "(empty)"); | ||
801 | if (line->type & type) break; | ||
802 | } | ||
803 | dbgPrintf(line ? "\n" : " (failed)\n"); | ||
804 | return line; | ||
805 | } | ||
806 | |||
807 | niro | 532 | static int isBracketedTitle(struct singleLine * line) { |
808 | niro | 914 | if (line->numElements == 1 && *line->elements[0].item == '[') { |
809 | niro | 532 | int len = strlen(line->elements[0].item); |
810 | if (*(line->elements[0].item + len - 1) == ']') { | ||
811 | /* FIXME: this is a hack... */ | ||
812 | if (strcmp(line->elements[0].item, "[defaultboot]")) { | ||
813 | return 1; | ||
814 | } | ||
815 | } | ||
816 | } | ||
817 | return 0; | ||
818 | } | ||
819 | |||
820 | niro | 1693 | static int isEntryStart(struct singleLine * line, |
821 | niro | 532 | struct configFileInfo * cfi) { |
822 | niro | 1693 | return line->type == cfi->entryStart || line->type == LT_OTHER || |
823 | niro | 914 | (cfi->titleBracketed && isBracketedTitle(line)); |
824 | niro | 532 | } |
825 | |||
826 | /* extract the title from within brackets (for zipl) */ | ||
827 | static char * extractTitle(struct singleLine * line) { | ||
828 | /* bracketed title... let's extract it (leaks a byte) */ | ||
829 | niro | 2252 | char * title = NULL; |
830 | if (line->type == LT_TITLE) { | ||
831 | title = strdup(line->elements[0].item); | ||
832 | title++; | ||
833 | *(title + strlen(title) - 1) = '\0'; | ||
834 | } else if (line->type == LT_MENUENTRY) | ||
835 | title = strdup(line->elements[1].item); | ||
836 | else | ||
837 | return NULL; | ||
838 | niro | 532 | return title; |
839 | } | ||
840 | |||
841 | static int readFile(int fd, char ** bufPtr) { | ||
842 | int alloced = 0, size = 0, i = 0; | ||
843 | char * buf = NULL; | ||
844 | |||
845 | do { | ||
846 | size += i; | ||
847 | if ((size + 1024) > alloced) { | ||
848 | alloced += 4096; | ||
849 | buf = realloc(buf, alloced + 1); | ||
850 | } | ||
851 | } while ((i = read(fd, buf + size, 1024)) > 0); | ||
852 | |||
853 | if (i < 0) { | ||
854 | fprintf(stderr, _("error reading input: %s\n"), strerror(errno)); | ||
855 | free(buf); | ||
856 | return 1; | ||
857 | } | ||
858 | |||
859 | buf = realloc(buf, size + 2); | ||
860 | if (size == 0) | ||
861 | buf[size++] = '\n'; | ||
862 | else | ||
863 | if (buf[size - 1] != '\n') | ||
864 | buf[size++] = '\n'; | ||
865 | buf[size] = '\0'; | ||
866 | |||
867 | *bufPtr = buf; | ||
868 | |||
869 | return 0; | ||
870 | } | ||
871 | |||
872 | static void lineInit(struct singleLine * line) { | ||
873 | line->indent = NULL; | ||
874 | line->elements = NULL; | ||
875 | line->numElements = 0; | ||
876 | line->next = NULL; | ||
877 | } | ||
878 | |||
879 | niro | 914 | struct singleLine * lineDup(struct singleLine * line) { |
880 | struct singleLine * newLine = malloc(sizeof(*newLine)); | ||
881 | |||
882 | newLine->indent = strdup(line->indent); | ||
883 | newLine->next = NULL; | ||
884 | newLine->type = line->type; | ||
885 | newLine->numElements = line->numElements; | ||
886 | newLine->elements = malloc(sizeof(*newLine->elements) * | ||
887 | newLine->numElements); | ||
888 | |||
889 | niro | 1846 | for (int i = 0; i < newLine->numElements; i++) { |
890 | niro | 914 | newLine->elements[i].indent = strdup(line->elements[i].indent); |
891 | newLine->elements[i].item = strdup(line->elements[i].item); | ||
892 | } | ||
893 | |||
894 | return newLine; | ||
895 | } | ||
896 | |||
897 | niro | 532 | static void lineFree(struct singleLine * line) { |
898 | if (line->indent) free(line->indent); | ||
899 | |||
900 | niro | 1846 | for (int i = 0; i < line->numElements; i++) { |
901 | niro | 532 | free(line->elements[i].item); |
902 | free(line->elements[i].indent); | ||
903 | } | ||
904 | |||
905 | if (line->elements) free(line->elements); | ||
906 | lineInit(line); | ||
907 | } | ||
908 | |||
909 | static int lineWrite(FILE * out, struct singleLine * line, | ||
910 | struct configFileInfo * cfi) { | ||
911 | if (fprintf(out, "%s", line->indent) == -1) return -1; | ||
912 | |||
913 | niro | 1846 | for (int i = 0; i < line->numElements; i++) { |
914 | niro | 1801 | /* Need to handle this, because we strip the quotes from |
915 | * menuentry when read it. */ | ||
916 | if (line->type == LT_MENUENTRY && i == 1) { | ||
917 | if(!isquote(*line->elements[i].item)) | ||
918 | fprintf(out, "\'%s\'", line->elements[i].item); | ||
919 | else | ||
920 | fprintf(out, "%s", line->elements[i].item); | ||
921 | fprintf(out, "%s", line->elements[i].indent); | ||
922 | |||
923 | continue; | ||
924 | } | ||
925 | |||
926 | niro | 532 | if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes) |
927 | if (fputc('"', out) == EOF) return -1; | ||
928 | |||
929 | if (fprintf(out, "%s", line->elements[i].item) == -1) return -1; | ||
930 | niro | 914 | if (i < line->numElements - 1) |
931 | if (fprintf(out, "%s", line->elements[i].indent) == -1) return -1; | ||
932 | niro | 532 | } |
933 | |||
934 | if (line->type == LT_KERNELARGS && cfi->argsInQuotes) | ||
935 | if (fputc('"', out) == EOF) return -1; | ||
936 | |||
937 | if (fprintf(out, "\n") == -1) return -1; | ||
938 | |||
939 | return 0; | ||
940 | } | ||
941 | |||
942 | /* we've guaranteed that the buffer ends w/ \n\0 */ | ||
943 | static int getNextLine(char ** bufPtr, struct singleLine * line, | ||
944 | struct configFileInfo * cfi) { | ||
945 | char * end; | ||
946 | char * start = *bufPtr; | ||
947 | char * chptr; | ||
948 | int elementsAlloced = 0; | ||
949 | struct lineElement * element; | ||
950 | int first = 1; | ||
951 | |||
952 | lineFree(line); | ||
953 | |||
954 | end = strchr(start, '\n'); | ||
955 | *end = '\0'; | ||
956 | *bufPtr = end + 1; | ||
957 | |||
958 | for (chptr = start; *chptr && isspace(*chptr); chptr++) ; | ||
959 | |||
960 | line->indent = strndup(start, chptr - start); | ||
961 | start = chptr; | ||
962 | |||
963 | while (start < end) { | ||
964 | /* we know !isspace(*start) */ | ||
965 | |||
966 | if (elementsAlloced == line->numElements) { | ||
967 | elementsAlloced += 5; | ||
968 | line->elements = realloc(line->elements, | ||
969 | sizeof(*line->elements) * elementsAlloced); | ||
970 | } | ||
971 | |||
972 | element = line->elements + line->numElements; | ||
973 | |||
974 | chptr = start; | ||
975 | while (*chptr && !isspace(*chptr)) { | ||
976 | if (first && *chptr == '=') break; | ||
977 | chptr++; | ||
978 | } | ||
979 | element->item = strndup(start, chptr - start); | ||
980 | start = chptr; | ||
981 | |||
982 | /* lilo actually accepts the pathological case of append = " foo " */ | ||
983 | if (*start == '=') | ||
984 | chptr = start + 1; | ||
985 | else | ||
986 | chptr = start; | ||
987 | |||
988 | do { | ||
989 | for (; *chptr && isspace(*chptr); chptr++); | ||
990 | if (*chptr == '=') | ||
991 | chptr = chptr + 1; | ||
992 | } while (isspace(*chptr)); | ||
993 | |||
994 | element->indent = strndup(start, chptr - start); | ||
995 | start = chptr; | ||
996 | |||
997 | line->numElements++; | ||
998 | first = 0; | ||
999 | } | ||
1000 | |||
1001 | if (!line->numElements) | ||
1002 | line->type = LT_WHITESPACE; | ||
1003 | else { | ||
1004 | niro | 914 | line->type = getTypeByKeyword(line->elements[0].item, cfi); |
1005 | if (line->type == LT_UNKNOWN) { | ||
1006 | niro | 532 | /* zipl does [title] instead of something reasonable like all |
1007 | * the other boot loaders. kind of ugly */ | ||
1008 | if (cfi->titleBracketed && isBracketedTitle(line)) { | ||
1009 | line->type = LT_TITLE; | ||
1010 | } | ||
1011 | |||
1012 | /* this is awkward, but we need to be able to handle keywords | ||
1013 | that begin with a # (specifically for #boot in grub.conf), | ||
1014 | but still make comments lines with no elements (everything | ||
1015 | stored in the indent */ | ||
1016 | if (*line->elements[0].item == '#') { | ||
1017 | char * fullLine; | ||
1018 | int len; | ||
1019 | |||
1020 | len = strlen(line->indent); | ||
1021 | niro | 1846 | for (int i = 0; i < line->numElements; i++) |
1022 | niro | 532 | len += strlen(line->elements[i].item) + |
1023 | strlen(line->elements[i].indent); | ||
1024 | |||
1025 | fullLine = malloc(len + 1); | ||
1026 | strcpy(fullLine, line->indent); | ||
1027 | free(line->indent); | ||
1028 | line->indent = fullLine; | ||
1029 | |||
1030 | niro | 1846 | for (int i = 0; i < line->numElements; i++) { |
1031 | niro | 532 | strcat(fullLine, line->elements[i].item); |
1032 | strcat(fullLine, line->elements[i].indent); | ||
1033 | free(line->elements[i].item); | ||
1034 | free(line->elements[i].indent); | ||
1035 | } | ||
1036 | |||
1037 | line->type = LT_WHITESPACE; | ||
1038 | line->numElements = 0; | ||
1039 | } | ||
1040 | niro | 914 | } else { |
1041 | struct keywordTypes *kw; | ||
1042 | |||
1043 | kw = getKeywordByType(line->type, cfi); | ||
1044 | |||
1045 | /* space isn't the only separator, we need to split | ||
1046 | * elements up more | ||
1047 | */ | ||
1048 | if (!isspace(kw->separatorChar)) { | ||
1049 | char indent[2] = ""; | ||
1050 | indent[0] = kw->separatorChar; | ||
1051 | niro | 1846 | for (int i = 1; i < line->numElements; i++) { |
1052 | niro | 914 | char *p; |
1053 | int numNewElements; | ||
1054 | |||
1055 | numNewElements = 0; | ||
1056 | p = line->elements[i].item; | ||
1057 | while (*p != '\0') { | ||
1058 | if (*p == kw->separatorChar) | ||
1059 | numNewElements++; | ||
1060 | p++; | ||
1061 | } | ||
1062 | if (line->numElements + numNewElements >= elementsAlloced) { | ||
1063 | elementsAlloced += numNewElements + 5; | ||
1064 | line->elements = realloc(line->elements, | ||
1065 | sizeof(*line->elements) * elementsAlloced); | ||
1066 | } | ||
1067 | |||
1068 | niro | 1846 | for (int j = line->numElements; j > i; j--) { |
1069 | niro | 914 | line->elements[j + numNewElements] = line->elements[j]; |
1070 | } | ||
1071 | line->numElements += numNewElements; | ||
1072 | |||
1073 | p = line->elements[i].item; | ||
1074 | while (*p != '\0') { | ||
1075 | |||
1076 | while (*p != kw->separatorChar && *p != '\0') p++; | ||
1077 | if (*p == '\0') { | ||
1078 | break; | ||
1079 | } | ||
1080 | |||
1081 | niro | 1840 | line->elements[i + 1].indent = line->elements[i].indent; |
1082 | niro | 914 | line->elements[i].indent = strdup(indent); |
1083 | *p++ = '\0'; | ||
1084 | i++; | ||
1085 | line->elements[i].item = strdup(p); | ||
1086 | } | ||
1087 | } | ||
1088 | } | ||
1089 | niro | 532 | } |
1090 | } | ||
1091 | |||
1092 | return 0; | ||
1093 | } | ||
1094 | |||
1095 | niro | 2258 | static int isnumber(const char *s) |
1096 | { | ||
1097 | int i; | ||
1098 | for (i = 0; s[i] != '\0'; i++) | ||
1099 | if (s[i] < '0' || s[i] > '9') | ||
1100 | return 0; | ||
1101 | return i; | ||
1102 | } | ||
1103 | |||
1104 | niro | 532 | static struct grubConfig * readConfig(const char * inName, |
1105 | struct configFileInfo * cfi) { | ||
1106 | int in; | ||
1107 | char * incoming = NULL, * head; | ||
1108 | int rc; | ||
1109 | int sawEntry = 0; | ||
1110 | int movedLine = 0; | ||
1111 | struct grubConfig * cfg; | ||
1112 | struct singleLine * last = NULL, * line, * defaultLine = NULL; | ||
1113 | char * end; | ||
1114 | struct singleEntry * entry = NULL; | ||
1115 | niro | 1846 | int len; |
1116 | niro | 532 | char * buf; |
1117 | |||
1118 | niro | 2246 | if (inName == NULL) { |
1119 | printf("Could not find bootloader configuration\n"); | ||
1120 | exit(1); | ||
1121 | } else if (!strcmp(inName, "-")) { | ||
1122 | niro | 532 | in = 0; |
1123 | } else { | ||
1124 | if ((in = open(inName, O_RDONLY)) < 0) { | ||
1125 | fprintf(stderr, _("error opening %s for read: %s\n"), | ||
1126 | inName, strerror(errno)); | ||
1127 | return NULL; | ||
1128 | } | ||
1129 | } | ||
1130 | |||
1131 | rc = readFile(in, &incoming); | ||
1132 | close(in); | ||
1133 | if (rc) return NULL; | ||
1134 | |||
1135 | head = incoming; | ||
1136 | cfg = malloc(sizeof(*cfg)); | ||
1137 | cfg->primaryIndent = strdup(""); | ||
1138 | cfg->secondaryIndent = strdup("\t"); | ||
1139 | cfg->flags = GRUB_CONFIG_NO_DEFAULT; | ||
1140 | cfg->cfi = cfi; | ||
1141 | cfg->theLines = NULL; | ||
1142 | cfg->entries = NULL; | ||
1143 | cfg->fallbackImage = 0; | ||
1144 | |||
1145 | /* copy everything we have */ | ||
1146 | while (*head) { | ||
1147 | line = malloc(sizeof(*line)); | ||
1148 | lineInit(line); | ||
1149 | |||
1150 | if (getNextLine(&head, line, cfi)) { | ||
1151 | free(line); | ||
1152 | /* XXX memory leak of everything in cfg */ | ||
1153 | return NULL; | ||
1154 | } | ||
1155 | |||
1156 | if (!sawEntry && line->numElements) { | ||
1157 | free(cfg->primaryIndent); | ||
1158 | cfg->primaryIndent = strdup(line->indent); | ||
1159 | } else if (line->numElements) { | ||
1160 | free(cfg->secondaryIndent); | ||
1161 | cfg->secondaryIndent = strdup(line->indent); | ||
1162 | } | ||
1163 | |||
1164 | niro | 1727 | if (isEntryStart(line, cfi) || (cfg->entries && !sawEntry)) { |
1165 | niro | 532 | sawEntry = 1; |
1166 | if (!entry) { | ||
1167 | cfg->entries = malloc(sizeof(*entry)); | ||
1168 | entry = cfg->entries; | ||
1169 | } else { | ||
1170 | entry->next = malloc(sizeof(*entry)); | ||
1171 | entry = entry->next; | ||
1172 | } | ||
1173 | |||
1174 | entry->skip = 0; | ||
1175 | entry->multiboot = 0; | ||
1176 | entry->lines = NULL; | ||
1177 | entry->next = NULL; | ||
1178 | } | ||
1179 | |||
1180 | niro | 1696 | if (line->type == LT_SET_VARIABLE) { |
1181 | dbgPrintf("found 'set' command (%d elements): ", line->numElements); | ||
1182 | dbgPrintf("%s", line->indent); | ||
1183 | niro | 1846 | for (int i = 0; i < line->numElements; i++) |
1184 | niro | 1840 | dbgPrintf("\"%s\"%s", line->elements[i].item, line->elements[i].indent); |
1185 | niro | 1696 | dbgPrintf("\n"); |
1186 | struct keywordTypes *kwType = getKeywordByType(LT_DEFAULT, cfi); | ||
1187 | if (kwType && line->numElements == 3 && | ||
1188 | niro | 2252 | !strcmp(line->elements[1].item, kwType->key) && |
1189 | !is_special_grub2_variable(line->elements[2].item)) { | ||
1190 | niro | 1696 | dbgPrintf("Line sets default config\n"); |
1191 | cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT; | ||
1192 | defaultLine = line; | ||
1193 | } | ||
1194 | } else if (line->type == LT_DEFAULT && line->numElements == 2) { | ||
1195 | niro | 532 | cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT; |
1196 | defaultLine = line; | ||
1197 | niro | 914 | |
1198 | niro | 1940 | } else if (iskernel(line->type)) { |
1199 | niro | 914 | /* if by some freak chance this is multiboot and the "module" |
1200 | * lines came earlier in the template, make sure to use LT_HYPER | ||
1201 | * instead of LT_KERNEL now | ||
1202 | */ | ||
1203 | if (entry->multiboot) | ||
1204 | line->type = LT_HYPER; | ||
1205 | |||
1206 | niro | 532 | } else if (line->type == LT_MBMODULE) { |
1207 | niro | 914 | /* go back and fix the LT_KERNEL line to indicate LT_HYPER |
1208 | * instead, now that we know this is a multiboot entry. | ||
1209 | * This only applies to grub, but that's the only place we | ||
1210 | * should find LT_MBMODULE lines anyway. | ||
1211 | */ | ||
1212 | niro | 1846 | for (struct singleLine *l = entry->lines; l; l = l->next) { |
1213 | niro | 914 | if (l->type == LT_HYPER) |
1214 | break; | ||
1215 | niro | 1940 | else if (iskernel(l->type)) { |
1216 | niro | 914 | l->type = LT_HYPER; |
1217 | break; | ||
1218 | } | ||
1219 | } | ||
1220 | niro | 532 | entry->multiboot = 1; |
1221 | niro | 914 | |
1222 | } else if (line->type == LT_HYPER) { | ||
1223 | entry->multiboot = 1; | ||
1224 | |||
1225 | niro | 532 | } else if (line->type == LT_FALLBACK && line->numElements == 2) { |
1226 | cfg->fallbackImage = strtol(line->elements[1].item, &end, 10); | ||
1227 | if (*end) cfg->fallbackImage = -1; | ||
1228 | niro | 914 | |
1229 | niro | 532 | } else if (line->type == LT_TITLE && line->numElements > 1) { |
1230 | /* make the title a single argument (undoing our parsing) */ | ||
1231 | len = 0; | ||
1232 | niro | 1846 | for (int i = 1; i < line->numElements; i++) { |
1233 | niro | 532 | len += strlen(line->elements[i].item); |
1234 | len += strlen(line->elements[i].indent); | ||
1235 | } | ||
1236 | buf = malloc(len + 1); | ||
1237 | *buf = '\0'; | ||
1238 | |||
1239 | niro | 1846 | for (int i = 1; i < line->numElements; i++) { |
1240 | niro | 532 | strcat(buf, line->elements[i].item); |
1241 | free(line->elements[i].item); | ||
1242 | |||
1243 | if ((i + 1) != line->numElements) { | ||
1244 | strcat(buf, line->elements[i].indent); | ||
1245 | free(line->elements[i].indent); | ||
1246 | } | ||
1247 | } | ||
1248 | |||
1249 | line->elements[1].indent = | ||
1250 | line->elements[line->numElements - 1].indent; | ||
1251 | line->elements[1].item = buf; | ||
1252 | line->numElements = 2; | ||
1253 | niro | 1801 | } else if (line->type == LT_MENUENTRY && line->numElements > 3) { |
1254 | /* let --remove-kernel="TITLE=what" work */ | ||
1255 | len = 0; | ||
1256 | char *extras; | ||
1257 | char *title; | ||
1258 | niro | 914 | |
1259 | niro | 1846 | for (int i = 1; i < line->numElements; i++) { |
1260 | niro | 1801 | len += strlen(line->elements[i].item); |
1261 | len += strlen(line->elements[i].indent); | ||
1262 | } | ||
1263 | buf = malloc(len + 1); | ||
1264 | *buf = '\0'; | ||
1265 | |||
1266 | /* allocate mem for extra flags. */ | ||
1267 | extras = malloc(len + 1); | ||
1268 | *extras = '\0'; | ||
1269 | |||
1270 | /* get title. */ | ||
1271 | niro | 1846 | for (int i = 0; i < line->numElements; i++) { |
1272 | niro | 1801 | if (!strcmp(line->elements[i].item, "menuentry")) |
1273 | continue; | ||
1274 | if (isquote(*line->elements[i].item)) | ||
1275 | title = line->elements[i].item + 1; | ||
1276 | else | ||
1277 | title = line->elements[i].item; | ||
1278 | |||
1279 | len = strlen(title); | ||
1280 | if (isquote(title[len-1])) { | ||
1281 | strncat(buf, title,len-1); | ||
1282 | break; | ||
1283 | } else { | ||
1284 | strcat(buf, title); | ||
1285 | strcat(buf, line->elements[i].indent); | ||
1286 | } | ||
1287 | } | ||
1288 | |||
1289 | /* get extras */ | ||
1290 | int count = 0; | ||
1291 | niro | 1846 | for (int i = 0; i < line->numElements; i++) { |
1292 | niro | 1837 | if (count >= 2) { |
1293 | niro | 1801 | strcat(extras, line->elements[i].item); |
1294 | strcat(extras, line->elements[i].indent); | ||
1295 | } | ||
1296 | |||
1297 | if (!strcmp(line->elements[i].item, "menuentry")) | ||
1298 | continue; | ||
1299 | |||
1300 | /* count ' or ", there should be two in menuentry line. */ | ||
1301 | if (isquote(*line->elements[i].item)) | ||
1302 | count++; | ||
1303 | |||
1304 | len = strlen(line->elements[i].item); | ||
1305 | |||
1306 | if (isquote(line->elements[i].item[len -1])) | ||
1307 | count++; | ||
1308 | |||
1309 | /* ok, we get the final ' or ", others are extras. */ | ||
1310 | } | ||
1311 | line->elements[1].indent = | ||
1312 | line->elements[line->numElements - 2].indent; | ||
1313 | line->elements[1].item = buf; | ||
1314 | line->elements[2].indent = | ||
1315 | line->elements[line->numElements - 2].indent; | ||
1316 | line->elements[2].item = extras; | ||
1317 | line->numElements = 3; | ||
1318 | niro | 532 | } else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) { |
1319 | /* Strip off any " which may be present; they'll be put back | ||
1320 | on write. This is one of the few (the only?) places that grubby | ||
1321 | canonicalizes the output */ | ||
1322 | |||
1323 | if (line->numElements >= 2) { | ||
1324 | int last, len; | ||
1325 | |||
1326 | niro | 1801 | if (isquote(*line->elements[1].item)) |
1327 | niro | 914 | memmove(line->elements[1].item, line->elements[1].item + 1, |
1328 | strlen(line->elements[1].item + 1) + 1); | ||
1329 | niro | 532 | |
1330 | last = line->numElements - 1; | ||
1331 | len = strlen(line->elements[last].item) - 1; | ||
1332 | niro | 1801 | if (isquote(line->elements[last].item[len])) |
1333 | niro | 532 | line->elements[last].item[len] = '\0'; |
1334 | } | ||
1335 | } | ||
1336 | |||
1337 | /* If we find a generic config option which should live at the | ||
1338 | top of the file, move it there. Old versions of grubby were | ||
1339 | probably responsible for putting new images in the wrong | ||
1340 | place in front of it anyway. */ | ||
1341 | if (sawEntry && line->type == LT_GENERIC) { | ||
1342 | struct singleLine **l = &cfg->theLines; | ||
1343 | struct singleLine **last_nonws = &cfg->theLines; | ||
1344 | while (*l) { | ||
1345 | if ((*l)->type != LT_WHITESPACE) | ||
1346 | last_nonws = &((*l)->next); | ||
1347 | l = &((*l)->next); | ||
1348 | } | ||
1349 | line->next = *last_nonws; | ||
1350 | *last_nonws = line; | ||
1351 | movedLine = 1; | ||
1352 | continue; /* without setting 'last' */ | ||
1353 | } | ||
1354 | niro | 914 | |
1355 | niro | 532 | /* If a second line of whitespace happens after a generic option |
1356 | which was moved, drop it. */ | ||
1357 | if (movedLine && line->type == LT_WHITESPACE && last->type == LT_WHITESPACE) { | ||
1358 | lineFree(line); | ||
1359 | free(line); | ||
1360 | movedLine = 0; | ||
1361 | continue; | ||
1362 | } | ||
1363 | movedLine = 0; | ||
1364 | |||
1365 | if (sawEntry) { | ||
1366 | if (!entry->lines) | ||
1367 | entry->lines = line; | ||
1368 | else | ||
1369 | last->next = line; | ||
1370 | niro | 1696 | dbgPrintf("readConfig added %s to %p\n", getKeyByType(line->type, cfi), entry); |
1371 | |||
1372 | /* we could have seen this outside of an entry... if so, we | ||
1373 | * ignore it like any other line we don't grok */ | ||
1374 | if (line->type == LT_ENTRY_END && sawEntry) | ||
1375 | sawEntry = 0; | ||
1376 | niro | 532 | } else { |
1377 | if (!cfg->theLines) | ||
1378 | cfg->theLines = line; | ||
1379 | niro | 914 | else |
1380 | niro | 532 | last->next = line; |
1381 | niro | 1696 | dbgPrintf("readConfig added %s to cfg\n", getKeyByType(line->type, cfi)); |
1382 | niro | 532 | } |
1383 | |||
1384 | last = line; | ||
1385 | } | ||
1386 | |||
1387 | free(incoming); | ||
1388 | |||
1389 | niro | 1696 | dbgPrintf("defaultLine is %s\n", defaultLine ? "set" : "unset"); |
1390 | niro | 532 | if (defaultLine) { |
1391 | niro | 1748 | if (defaultLine->numElements > 2 && |
1392 | cfi->defaultSupportSaved && | ||
1393 | !strncmp(defaultLine->elements[2].item,"\"${saved_entry}\"", 16)) { | ||
1394 | niro | 2252 | cfg->cfi->defaultIsSaved = 1; |
1395 | cfg->defaultImage = DEFAULT_SAVED_GRUB2; | ||
1396 | if (cfg->cfi->getEnv) { | ||
1397 | char *defTitle = cfi->getEnv(cfg->cfi, "saved_entry"); | ||
1398 | if (defTitle) { | ||
1399 | int index = 0; | ||
1400 | niro | 2258 | if (isnumber(defTitle)) { |
1401 | index = atoi(defTitle); | ||
1402 | entry = findEntryByIndex(cfg, index); | ||
1403 | } else { | ||
1404 | entry = findEntryByTitle(cfg, defTitle, &index); | ||
1405 | } | ||
1406 | niro | 2252 | if (entry) |
1407 | cfg->defaultImage = index; | ||
1408 | } | ||
1409 | } | ||
1410 | niro | 1748 | } else if (cfi->defaultIsVariable) { |
1411 | niro | 1696 | char *value = defaultLine->elements[2].item; |
1412 | while (*value && (*value == '"' || *value == '\'' || | ||
1413 | *value == ' ' || *value == '\t')) | ||
1414 | value++; | ||
1415 | cfg->defaultImage = strtol(value, &end, 10); | ||
1416 | while (*end && (*end == '"' || *end == '\'' || | ||
1417 | *end == ' ' || *end == '\t')) | ||
1418 | end++; | ||
1419 | if (*end) cfg->defaultImage = -1; | ||
1420 | } else if (cfi->defaultSupportSaved && | ||
1421 | niro | 532 | !strncmp(defaultLine->elements[1].item, "saved", 5)) { |
1422 | cfg->defaultImage = DEFAULT_SAVED; | ||
1423 | } else if (cfi->defaultIsIndex) { | ||
1424 | cfg->defaultImage = strtol(defaultLine->elements[1].item, &end, 10); | ||
1425 | if (*end) cfg->defaultImage = -1; | ||
1426 | } else if (defaultLine->numElements >= 2) { | ||
1427 | niro | 1846 | int i = 0; |
1428 | niro | 532 | while ((entry = findEntryByIndex(cfg, i))) { |
1429 | for (line = entry->lines; line; line = line->next) | ||
1430 | if (line->type == LT_TITLE) break; | ||
1431 | |||
1432 | if (!cfi->titleBracketed) { | ||
1433 | if (line && (line->numElements >= 2) && | ||
1434 | !strcmp(defaultLine->elements[1].item, | ||
1435 | line->elements[1].item)) break; | ||
1436 | } else if (line) { | ||
1437 | if (!strcmp(defaultLine->elements[1].item, | ||
1438 | extractTitle(line))) break; | ||
1439 | } | ||
1440 | i++; | ||
1441 | niro | 914 | entry = NULL; |
1442 | niro | 532 | } |
1443 | |||
1444 | niro | 914 | if (entry){ |
1445 | cfg->defaultImage = i; | ||
1446 | }else{ | ||
1447 | cfg->defaultImage = -1; | ||
1448 | } | ||
1449 | niro | 532 | } |
1450 | niro | 2252 | } else if (cfg->cfi->defaultIsSaved && cfg->cfi->getEnv) { |
1451 | char *defTitle = cfi->getEnv(cfg->cfi, "saved_entry"); | ||
1452 | if (defTitle) { | ||
1453 | int index = 0; | ||
1454 | niro | 2258 | if (isnumber(defTitle)) { |
1455 | index = atoi(defTitle); | ||
1456 | entry = findEntryByIndex(cfg, index); | ||
1457 | } else { | ||
1458 | entry = findEntryByTitle(cfg, defTitle, &index); | ||
1459 | } | ||
1460 | niro | 2252 | if (entry) |
1461 | cfg->defaultImage = index; | ||
1462 | } | ||
1463 | niro | 914 | } else { |
1464 | cfg->defaultImage = 0; | ||
1465 | niro | 532 | } |
1466 | |||
1467 | return cfg; | ||
1468 | } | ||
1469 | |||
1470 | static void writeDefault(FILE * out, char * indent, | ||
1471 | char * separator, struct grubConfig * cfg) { | ||
1472 | struct singleEntry * entry; | ||
1473 | struct singleLine * line; | ||
1474 | int i; | ||
1475 | |||
1476 | if (!cfg->defaultImage && cfg->flags == GRUB_CONFIG_NO_DEFAULT) return; | ||
1477 | |||
1478 | if (cfg->defaultImage == DEFAULT_SAVED) | ||
1479 | fprintf(out, "%sdefault%ssaved\n", indent, separator); | ||
1480 | niro | 2252 | else if (cfg->cfi->defaultIsSaved) { |
1481 | niro | 1748 | fprintf(out, "%sset default=\"${saved_entry}\"\n", indent); |
1482 | niro | 2252 | if (cfg->defaultImage >= 0 && cfg->cfi->setEnv) { |
1483 | char *title; | ||
1484 | entry = findEntryByIndex(cfg, cfg->defaultImage); | ||
1485 | line = getLineByType(LT_MENUENTRY, entry->lines); | ||
1486 | if (!line) | ||
1487 | line = getLineByType(LT_TITLE, entry->lines); | ||
1488 | if (line) { | ||
1489 | title = extractTitle(line); | ||
1490 | if (title) | ||
1491 | cfg->cfi->setEnv(cfg->cfi, "saved_entry", title); | ||
1492 | } | ||
1493 | } | ||
1494 | } else if (cfg->defaultImage > -1) { | ||
1495 | niro | 532 | if (cfg->cfi->defaultIsIndex) { |
1496 | niro | 1696 | if (cfg->cfi->defaultIsVariable) { |
1497 | fprintf(out, "%sset default=\"%d\"\n", indent, | ||
1498 | cfg->defaultImage); | ||
1499 | } else { | ||
1500 | fprintf(out, "%sdefault%s%d\n", indent, separator, | ||
1501 | cfg->defaultImage); | ||
1502 | } | ||
1503 | niro | 532 | } else { |
1504 | int image = cfg->defaultImage; | ||
1505 | |||
1506 | entry = cfg->entries; | ||
1507 | while (entry && entry->skip) entry = entry->next; | ||
1508 | |||
1509 | i = 0; | ||
1510 | while (entry && i < image) { | ||
1511 | entry = entry->next; | ||
1512 | |||
1513 | while (entry && entry->skip) entry = entry->next; | ||
1514 | i++; | ||
1515 | } | ||
1516 | |||
1517 | if (!entry) return; | ||
1518 | |||
1519 | niro | 914 | line = getLineByType(LT_TITLE, entry->lines); |
1520 | niro | 532 | |
1521 | if (line && line->numElements >= 2) | ||
1522 | fprintf(out, "%sdefault%s%s\n", indent, separator, | ||
1523 | line->elements[1].item); | ||
1524 | else if (line && (line->numElements == 1) && | ||
1525 | cfg->cfi->titleBracketed) { | ||
1526 | fprintf(out, "%sdefault%s%s\n", indent, separator, | ||
1527 | extractTitle(line)); | ||
1528 | } | ||
1529 | } | ||
1530 | } | ||
1531 | } | ||
1532 | |||
1533 | static int writeConfig(struct grubConfig * cfg, char * outName, | ||
1534 | const char * prefix) { | ||
1535 | FILE * out; | ||
1536 | struct singleLine * line; | ||
1537 | struct singleEntry * entry; | ||
1538 | char * tmpOutName; | ||
1539 | int needs = MAIN_DEFAULT; | ||
1540 | struct stat sb; | ||
1541 | int i; | ||
1542 | |||
1543 | if (!strcmp(outName, "-")) { | ||
1544 | out = stdout; | ||
1545 | tmpOutName = NULL; | ||
1546 | } else { | ||
1547 | if (!lstat(outName, &sb) && S_ISLNK(sb.st_mode)) { | ||
1548 | char * buf; | ||
1549 | int len = 256; | ||
1550 | int rc; | ||
1551 | |||
1552 | /* most likely the symlink is relative, so change our | ||
1553 | niro | 914 | directory to the dir of the symlink */ |
1554 | niro | 1868 | char *dir = strdupa(outName); |
1555 | niro | 1934 | rc = chdir(dirname(dir)); |
1556 | niro | 532 | do { |
1557 | buf = alloca(len + 1); | ||
1558 | niro | 914 | rc = readlink(basename(outName), buf, len); |
1559 | niro | 532 | if (rc == len) len += 256; |
1560 | } while (rc == len); | ||
1561 | |||
1562 | if (rc < 0) { | ||
1563 | fprintf(stderr, _("grubby: error readlink link %s: %s\n"), | ||
1564 | outName, strerror(errno)); | ||
1565 | return 1; | ||
1566 | } | ||
1567 | |||
1568 | outName = buf; | ||
1569 | outName[rc] = '\0'; | ||
1570 | } | ||
1571 | |||
1572 | tmpOutName = alloca(strlen(outName) + 2); | ||
1573 | sprintf(tmpOutName, "%s-", outName); | ||
1574 | out = fopen(tmpOutName, "w"); | ||
1575 | if (!out) { | ||
1576 | fprintf(stderr, _("grubby: error creating %s: %s\n"), tmpOutName, | ||
1577 | strerror(errno)); | ||
1578 | return 1; | ||
1579 | } | ||
1580 | |||
1581 | if (!stat(outName, &sb)) { | ||
1582 | if (chmod(tmpOutName, sb.st_mode & ~(S_IFMT))) { | ||
1583 | fprintf(stderr, _("grubby: error setting perms on %s: %s\n"), | ||
1584 | tmpOutName, strerror(errno)); | ||
1585 | fclose(out); | ||
1586 | unlink(tmpOutName); | ||
1587 | return 1; | ||
1588 | } | ||
1589 | } | ||
1590 | } | ||
1591 | |||
1592 | line = cfg->theLines; | ||
1593 | niro | 1696 | struct keywordTypes *defaultKw = getKeywordByType(LT_DEFAULT, cfg->cfi); |
1594 | niro | 532 | while (line) { |
1595 | niro | 1696 | if (line->type == LT_SET_VARIABLE && defaultKw && |
1596 | line->numElements == 3 && | ||
1597 | niro | 2252 | !strcmp(line->elements[1].item, defaultKw->key) && |
1598 | !is_special_grub2_variable(line->elements[2].item)) { | ||
1599 | niro | 532 | writeDefault(out, line->indent, line->elements[0].indent, cfg); |
1600 | needs &= ~MAIN_DEFAULT; | ||
1601 | niro | 1696 | } else if (line->type == LT_DEFAULT) { |
1602 | writeDefault(out, line->indent, line->elements[0].indent, cfg); | ||
1603 | needs &= ~MAIN_DEFAULT; | ||
1604 | niro | 532 | } else if (line->type == LT_FALLBACK) { |
1605 | if (cfg->fallbackImage > -1) | ||
1606 | fprintf(out, "%s%s%s%d\n", line->indent, | ||
1607 | line->elements[0].item, line->elements[0].indent, | ||
1608 | cfg->fallbackImage); | ||
1609 | } else { | ||
1610 | if (lineWrite(out, line, cfg->cfi) == -1) { | ||
1611 | fprintf(stderr, _("grubby: error writing %s: %s\n"), | ||
1612 | tmpOutName, strerror(errno)); | ||
1613 | fclose(out); | ||
1614 | unlink(tmpOutName); | ||
1615 | return 1; | ||
1616 | } | ||
1617 | } | ||
1618 | |||
1619 | line = line->next; | ||
1620 | } | ||
1621 | |||
1622 | if (needs & MAIN_DEFAULT) { | ||
1623 | writeDefault(out, cfg->primaryIndent, "=", cfg); | ||
1624 | needs &= ~MAIN_DEFAULT; | ||
1625 | } | ||
1626 | |||
1627 | i = 0; | ||
1628 | while ((entry = findEntryByIndex(cfg, i++))) { | ||
1629 | if (entry->skip) continue; | ||
1630 | |||
1631 | line = entry->lines; | ||
1632 | while (line) { | ||
1633 | if (lineWrite(out, line, cfg->cfi) == -1) { | ||
1634 | fprintf(stderr, _("grubby: error writing %s: %s\n"), | ||
1635 | tmpOutName, strerror(errno)); | ||
1636 | fclose(out); | ||
1637 | unlink(tmpOutName); | ||
1638 | return 1; | ||
1639 | } | ||
1640 | line = line->next; | ||
1641 | } | ||
1642 | } | ||
1643 | |||
1644 | if (tmpOutName) { | ||
1645 | if (rename(tmpOutName, outName)) { | ||
1646 | fprintf(stderr, _("grubby: error moving %s to %s: %s\n"), | ||
1647 | tmpOutName, outName, strerror(errno)); | ||
1648 | unlink(outName); | ||
1649 | return 1; | ||
1650 | } | ||
1651 | } | ||
1652 | |||
1653 | return 0; | ||
1654 | } | ||
1655 | |||
1656 | static int numEntries(struct grubConfig *cfg) { | ||
1657 | int i = 0; | ||
1658 | struct singleEntry * entry; | ||
1659 | |||
1660 | entry = cfg->entries; | ||
1661 | while (entry) { | ||
1662 | if (!entry->skip) | ||
1663 | i++; | ||
1664 | entry = entry->next; | ||
1665 | } | ||
1666 | return i; | ||
1667 | } | ||
1668 | |||
1669 | niro | 1156 | static char *findDiskForRoot() |
1670 | { | ||
1671 | int fd; | ||
1672 | char buf[65536]; | ||
1673 | char *devname; | ||
1674 | char *chptr; | ||
1675 | int rc; | ||
1676 | |||
1677 | if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) { | ||
1678 | fprintf(stderr, "grubby: failed to open %s: %s\n", | ||
1679 | _PATH_MOUNTED, strerror(errno)); | ||
1680 | return NULL; | ||
1681 | } | ||
1682 | |||
1683 | rc = read(fd, buf, sizeof(buf) - 1); | ||
1684 | if (rc <= 0) { | ||
1685 | fprintf(stderr, "grubby: failed to read %s: %s\n", | ||
1686 | _PATH_MOUNTED, strerror(errno)); | ||
1687 | close(fd); | ||
1688 | return NULL; | ||
1689 | } | ||
1690 | close(fd); | ||
1691 | buf[rc] = '\0'; | ||
1692 | chptr = buf; | ||
1693 | |||
1694 | niro | 1841 | char *foundanswer = NULL; |
1695 | |||
1696 | niro | 1156 | while (chptr && chptr != buf+rc) { |
1697 | devname = chptr; | ||
1698 | |||
1699 | /* | ||
1700 | * The first column of a mtab entry is the device, but if the entry is a | ||
1701 | * special device it won't start with /, so move on to the next line. | ||
1702 | */ | ||
1703 | if (*devname != '/') { | ||
1704 | chptr = strchr(chptr, '\n'); | ||
1705 | if (chptr) | ||
1706 | chptr++; | ||
1707 | continue; | ||
1708 | } | ||
1709 | |||
1710 | /* Seek to the next space */ | ||
1711 | chptr = strchr(chptr, ' '); | ||
1712 | if (!chptr) { | ||
1713 | fprintf(stderr, "grubby: error parsing %s: %s\n", | ||
1714 | _PATH_MOUNTED, strerror(errno)); | ||
1715 | return NULL; | ||
1716 | } | ||
1717 | |||
1718 | /* | ||
1719 | * The second column of a mtab entry is the mount point, we are looking | ||
1720 | * for '/' obviously. | ||
1721 | */ | ||
1722 | if (*(++chptr) == '/' && *(++chptr) == ' ') { | ||
1723 | niro | 1841 | /* remember the last / entry in mtab */ |
1724 | foundanswer = devname; | ||
1725 | niro | 1156 | } |
1726 | |||
1727 | /* Next line */ | ||
1728 | chptr = strchr(chptr, '\n'); | ||
1729 | if (chptr) | ||
1730 | chptr++; | ||
1731 | } | ||
1732 | |||
1733 | niro | 1841 | /* Return the last / entry found */ |
1734 | if (foundanswer) { | ||
1735 | chptr = strchr(foundanswer, ' '); | ||
1736 | *chptr = '\0'; | ||
1737 | return strdup(foundanswer); | ||
1738 | } | ||
1739 | |||
1740 | niro | 1156 | return NULL; |
1741 | } | ||
1742 | |||
1743 | niro | 2236 | void printEntry(struct singleEntry * entry, FILE *f) { |
1744 | niro | 1736 | int i; |
1745 | struct singleLine * line; | ||
1746 | |||
1747 | for (line = entry->lines; line; line = line->next) { | ||
1748 | niro | 2236 | log_message(f, "DBG: %s", line->indent); |
1749 | niro | 1736 | for (i = 0; i < line->numElements; i++) { |
1750 | niro | 1801 | /* Need to handle this, because we strip the quotes from |
1751 | * menuentry when read it. */ | ||
1752 | if (line->type == LT_MENUENTRY && i == 1) { | ||
1753 | if(!isquote(*line->elements[i].item)) | ||
1754 | niro | 2236 | log_message(f, "\'%s\'", line->elements[i].item); |
1755 | niro | 1801 | else |
1756 | niro | 2236 | log_message(f, "%s", line->elements[i].item); |
1757 | log_message(f, "%s", line->elements[i].indent); | ||
1758 | niro | 1801 | |
1759 | continue; | ||
1760 | } | ||
1761 | |||
1762 | niro | 2236 | log_message(f, "%s%s", |
1763 | niro | 1736 | line->elements[i].item, line->elements[i].indent); |
1764 | } | ||
1765 | niro | 2236 | log_message(f, "\n"); |
1766 | niro | 1736 | } |
1767 | } | ||
1768 | |||
1769 | niro | 2236 | void notSuitablePrintf(struct singleEntry * entry, int okay, const char *fmt, ...) |
1770 | niro | 1736 | { |
1771 | niro | 2236 | static int once; |
1772 | va_list argp, argq; | ||
1773 | niro | 1736 | |
1774 | niro | 2236 | va_start(argp, fmt); |
1775 | |||
1776 | va_copy(argq, argp); | ||
1777 | if (!once) { | ||
1778 | log_time(NULL); | ||
1779 | log_message(NULL, "command line: %s\n", saved_command_line); | ||
1780 | } | ||
1781 | log_message(NULL, "DBG: Image entry %s: ", okay ? "succeeded" : "failed"); | ||
1782 | log_vmessage(NULL, fmt, argq); | ||
1783 | |||
1784 | printEntry(entry, NULL); | ||
1785 | va_end(argq); | ||
1786 | |||
1787 | if (!debug) { | ||
1788 | once = 1; | ||
1789 | va_end(argp); | ||
1790 | niro | 1736 | return; |
1791 | niro | 2236 | } |
1792 | niro | 1736 | |
1793 | niro | 2236 | if (okay) { |
1794 | va_end(argp); | ||
1795 | return; | ||
1796 | } | ||
1797 | |||
1798 | if (!once) | ||
1799 | log_message(stderr, "DBG: command line: %s\n", saved_command_line); | ||
1800 | once = 1; | ||
1801 | niro | 1736 | fprintf(stderr, "DBG: Image entry failed: "); |
1802 | vfprintf(stderr, fmt, argp); | ||
1803 | niro | 2236 | printEntry(entry, stderr); |
1804 | niro | 1736 | va_end(argp); |
1805 | } | ||
1806 | |||
1807 | niro | 1745 | #define beginswith(s, c) ((s) && (s)[0] == (c)) |
1808 | |||
1809 | static int endswith(const char *s, char c) | ||
1810 | { | ||
1811 | int slen; | ||
1812 | |||
1813 | niro | 1750 | if (!s || !s[0]) |
1814 | niro | 1745 | return 0; |
1815 | slen = strlen(s) - 1; | ||
1816 | |||
1817 | return s[slen] == c; | ||
1818 | } | ||
1819 | |||
1820 | niro | 532 | int suitableImage(struct singleEntry * entry, const char * bootPrefix, |
1821 | int skipRemoved, int flags) { | ||
1822 | struct singleLine * line; | ||
1823 | char * fullName; | ||
1824 | int i; | ||
1825 | char * dev; | ||
1826 | char * rootspec; | ||
1827 | niro | 1156 | char * rootdev; |
1828 | niro | 532 | |
1829 | niro | 1736 | if (skipRemoved && entry->skip) { |
1830 | niro | 2236 | notSuitablePrintf(entry, 0, "marked to skip\n"); |
1831 | niro | 1736 | return 0; |
1832 | } | ||
1833 | niro | 532 | |
1834 | niro | 2683 | line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines); |
1835 | niro | 1736 | if (!line) { |
1836 | niro | 2236 | notSuitablePrintf(entry, 0, "no line found\n"); |
1837 | niro | 1736 | return 0; |
1838 | } | ||
1839 | if (line->numElements < 2) { | ||
1840 | niro | 2236 | notSuitablePrintf(entry, 0, "line has only %d elements\n", |
1841 | niro | 1736 | line->numElements); |
1842 | return 0; | ||
1843 | } | ||
1844 | niro | 914 | |
1845 | niro | 2236 | if (flags & GRUBBY_BADIMAGE_OKAY) { |
1846 | notSuitablePrintf(entry, 1, "\n"); | ||
1847 | return 1; | ||
1848 | } | ||
1849 | niro | 532 | |
1850 | fullName = alloca(strlen(bootPrefix) + | ||
1851 | strlen(line->elements[1].item) + 1); | ||
1852 | rootspec = getRootSpecifier(line->elements[1].item); | ||
1853 | niro | 1745 | int rootspec_offset = rootspec ? strlen(rootspec) : 0; |
1854 | int hasslash = endswith(bootPrefix, '/') || | ||
1855 | beginswith(line->elements[1].item + rootspec_offset, '/'); | ||
1856 | sprintf(fullName, "%s%s%s", bootPrefix, hasslash ? "" : "/", | ||
1857 | line->elements[1].item + rootspec_offset); | ||
1858 | niro | 1736 | if (access(fullName, R_OK)) { |
1859 | niro | 2236 | notSuitablePrintf(entry, 0, "access to %s failed\n", fullName); |
1860 | niro | 1736 | return 0; |
1861 | } | ||
1862 | niro | 532 | for (i = 2; i < line->numElements; i++) |
1863 | if (!strncasecmp(line->elements[i].item, "root=", 5)) break; | ||
1864 | if (i < line->numElements) { | ||
1865 | dev = line->elements[i].item + 5; | ||
1866 | } else { | ||
1867 | /* look for a lilo style LT_ROOT line */ | ||
1868 | niro | 914 | line = getLineByType(LT_ROOT, entry->lines); |
1869 | niro | 532 | |
1870 | if (line && line->numElements >= 2) { | ||
1871 | dev = line->elements[1].item; | ||
1872 | } else { | ||
1873 | niro | 914 | /* didn't succeed in finding a LT_ROOT, let's try LT_KERNELARGS. |
1874 | * grub+multiboot uses LT_MBMODULE for the args, so check that too. | ||
1875 | */ | ||
1876 | line = getLineByType(LT_KERNELARGS|LT_MBMODULE, entry->lines); | ||
1877 | niro | 532 | |
1878 | /* failed to find one */ | ||
1879 | niro | 1736 | if (!line) { |
1880 | niro | 2236 | notSuitablePrintf(entry, 0, "no line found\n"); |
1881 | niro | 1736 | return 0; |
1882 | } | ||
1883 | niro | 532 | |
1884 | for (i = 1; i < line->numElements; i++) | ||
1885 | if (!strncasecmp(line->elements[i].item, "root=", 5)) break; | ||
1886 | if (i < line->numElements) | ||
1887 | dev = line->elements[i].item + 5; | ||
1888 | else { | ||
1889 | niro | 2236 | notSuitablePrintf(entry, 0, "no root= entry found\n"); |
1890 | niro | 532 | /* it failed too... can't find root= */ |
1891 | return 0; | ||
1892 | } | ||
1893 | } | ||
1894 | } | ||
1895 | |||
1896 | niro | 914 | dev = getpathbyspec(dev); |
1897 | niro | 1736 | if (!getpathbyspec(dev)) { |
1898 | niro | 2236 | notSuitablePrintf(entry, 0, "can't find blkid entry for %s\n", dev); |
1899 | niro | 914 | return 0; |
1900 | niro | 1736 | } else |
1901 | dev = getpathbyspec(dev); | ||
1902 | niro | 532 | |
1903 | niro | 1156 | rootdev = findDiskForRoot(); |
1904 | niro | 1736 | if (!rootdev) { |
1905 | niro | 2236 | notSuitablePrintf(entry, 0, "can't find root device\n"); |
1906 | niro | 914 | return 0; |
1907 | niro | 1736 | } |
1908 | niro | 914 | |
1909 | niro | 1177 | if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) { |
1910 | niro | 2236 | notSuitablePrintf(entry, 0, "uuid missing: rootdev %s, dev %s\n", |
1911 | niro | 1736 | getuuidbydev(rootdev), getuuidbydev(dev)); |
1912 | niro | 1177 | free(rootdev); |
1913 | return 0; | ||
1914 | } | ||
1915 | niro | 532 | |
1916 | niro | 1156 | if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) { |
1917 | niro | 2236 | notSuitablePrintf(entry, 0, "uuid mismatch: rootdev %s, dev %s\n", |
1918 | niro | 1736 | getuuidbydev(rootdev), getuuidbydev(dev)); |
1919 | niro | 1156 | free(rootdev); |
1920 | niro | 914 | return 0; |
1921 | niro | 1156 | } |
1922 | niro | 532 | |
1923 | niro | 1156 | free(rootdev); |
1924 | niro | 2236 | notSuitablePrintf(entry, 1, "\n"); |
1925 | niro | 1156 | |
1926 | niro | 532 | return 1; |
1927 | } | ||
1928 | |||
1929 | /* returns the first match on or after the one pointed to by index (if index | ||
1930 | is not NULL) which is not marked as skip */ | ||
1931 | struct singleEntry * findEntryByPath(struct grubConfig * config, | ||
1932 | const char * kernel, const char * prefix, | ||
1933 | int * index) { | ||
1934 | struct singleEntry * entry = NULL; | ||
1935 | struct singleLine * line; | ||
1936 | int i; | ||
1937 | char * chptr; | ||
1938 | char * rootspec = NULL; | ||
1939 | enum lineType_e checkType = LT_KERNEL; | ||
1940 | |||
1941 | if (isdigit(*kernel)) { | ||
1942 | int * indexVars = alloca(sizeof(*indexVars) * strlen(kernel)); | ||
1943 | |||
1944 | i = 0; | ||
1945 | indexVars[i] = strtol(kernel, &chptr, 10); | ||
1946 | while (*chptr == ',') { | ||
1947 | i++; | ||
1948 | kernel = chptr + 1; | ||
1949 | indexVars[i] = strtol(kernel, &chptr, 10); | ||
1950 | } | ||
1951 | |||
1952 | if (*chptr) { | ||
1953 | /* can't parse it, bail */ | ||
1954 | return NULL; | ||
1955 | } | ||
1956 | |||
1957 | indexVars[i + 1] = -1; | ||
1958 | |||
1959 | i = 0; | ||
1960 | if (index) { | ||
1961 | while (i < *index) i++; | ||
1962 | if (indexVars[i] == -1) return NULL; | ||
1963 | } | ||
1964 | |||
1965 | entry = findEntryByIndex(config, indexVars[i]); | ||
1966 | if (!entry) return NULL; | ||
1967 | |||
1968 | niro | 2683 | line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines); |
1969 | niro | 532 | if (!line) return NULL; |
1970 | |||
1971 | if (index) *index = indexVars[i]; | ||
1972 | return entry; | ||
1973 | } | ||
1974 | |||
1975 | if (!strcmp(kernel, "DEFAULT")) { | ||
1976 | if (index && *index > config->defaultImage) { | ||
1977 | entry = NULL; | ||
1978 | } else { | ||
1979 | entry = findEntryByIndex(config, config->defaultImage); | ||
1980 | if (entry && entry->skip) | ||
1981 | entry = NULL; | ||
1982 | else if (index) | ||
1983 | *index = config->defaultImage; | ||
1984 | } | ||
1985 | } else if (!strcmp(kernel, "ALL")) { | ||
1986 | if (index) | ||
1987 | i = *index; | ||
1988 | else | ||
1989 | i = 0; | ||
1990 | |||
1991 | while ((entry = findEntryByIndex(config, i))) { | ||
1992 | if (!entry->skip) break; | ||
1993 | i++; | ||
1994 | } | ||
1995 | |||
1996 | if (entry && index) | ||
1997 | *index = i; | ||
1998 | } else { | ||
1999 | if (index) | ||
2000 | i = *index; | ||
2001 | else | ||
2002 | i = 0; | ||
2003 | |||
2004 | if (!strncmp(kernel, "TITLE=", 6)) { | ||
2005 | prefix = ""; | ||
2006 | niro | 1801 | checkType = LT_TITLE|LT_MENUENTRY; |
2007 | niro | 532 | kernel += 6; |
2008 | } | ||
2009 | |||
2010 | niro | 914 | for (entry = findEntryByIndex(config, i); entry; entry = entry->next, i++) { |
2011 | if (entry->skip) continue; | ||
2012 | niro | 532 | |
2013 | niro | 914 | dbgPrintf("findEntryByPath looking for %d %s in %p\n", checkType, kernel, entry); |
2014 | niro | 532 | |
2015 | niro | 914 | /* check all the lines matching checkType */ |
2016 | for (line = entry->lines; line; line = line->next) { | ||
2017 | niro | 2052 | enum lineType_e ct = checkType; |
2018 | if (entry->multiboot && checkType == LT_KERNEL) | ||
2019 | niro | 2683 | ct = LT_KERNEL|LT_KERNEL_EFI|LT_MBMODULE|LT_HYPER|LT_KERNEL_16; |
2020 | niro | 2052 | else if (checkType & LT_KERNEL) |
2021 | niro | 2683 | ct = checkType | LT_KERNEL_EFI | LT_KERNEL_16; |
2022 | niro | 2052 | line = getLineByType(ct, line); |
2023 | if (!line) | ||
2024 | break; /* not found in this entry */ | ||
2025 | niro | 532 | |
2026 | niro | 1801 | if (line && line->type != LT_MENUENTRY && |
2027 | line->numElements >= 2) { | ||
2028 | niro | 914 | rootspec = getRootSpecifier(line->elements[1].item); |
2029 | if (!strcmp(line->elements[1].item + | ||
2030 | ((rootspec != NULL) ? strlen(rootspec) : 0), | ||
2031 | kernel + strlen(prefix))) | ||
2032 | break; | ||
2033 | } | ||
2034 | niro | 1801 | if(line->type == LT_MENUENTRY && |
2035 | !strcmp(line->elements[1].item, kernel)) | ||
2036 | break; | ||
2037 | niro | 914 | } |
2038 | |||
2039 | /* make sure this entry has a kernel identifier; this skips | ||
2040 | * non-Linux boot entries (could find netbsd etc, though, which is | ||
2041 | * unfortunate) | ||
2042 | */ | ||
2043 | niro | 2683 | if (line && getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines)) |
2044 | niro | 914 | break; /* found 'im! */ |
2045 | niro | 532 | } |
2046 | |||
2047 | if (index) *index = i; | ||
2048 | } | ||
2049 | |||
2050 | return entry; | ||
2051 | } | ||
2052 | |||
2053 | niro | 2252 | struct singleEntry * findEntryByTitle(struct grubConfig * cfg, char *title, |
2054 | int * index) { | ||
2055 | struct singleEntry * entry; | ||
2056 | struct singleLine * line; | ||
2057 | int i; | ||
2058 | char * newtitle; | ||
2059 | |||
2060 | for (i = 0, entry = cfg->entries; entry; entry = entry->next, i++) { | ||
2061 | if (index && i < *index) | ||
2062 | continue; | ||
2063 | line = getLineByType(LT_TITLE, entry->lines); | ||
2064 | if (!line) | ||
2065 | line = getLineByType(LT_MENUENTRY, entry->lines); | ||
2066 | if (!line) | ||
2067 | continue; | ||
2068 | newtitle = grub2ExtractTitle(line); | ||
2069 | if (!newtitle) | ||
2070 | continue; | ||
2071 | if (!strcmp(title, newtitle)) | ||
2072 | break; | ||
2073 | } | ||
2074 | |||
2075 | if (!entry) | ||
2076 | return NULL; | ||
2077 | |||
2078 | if (index) | ||
2079 | *index = i; | ||
2080 | return entry; | ||
2081 | } | ||
2082 | |||
2083 | niro | 532 | struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index) { |
2084 | struct singleEntry * entry; | ||
2085 | |||
2086 | entry = cfg->entries; | ||
2087 | while (index && entry) { | ||
2088 | entry = entry->next; | ||
2089 | index--; | ||
2090 | } | ||
2091 | |||
2092 | return entry; | ||
2093 | } | ||
2094 | |||
2095 | /* Find a good template to use for the new kernel. An entry is | ||
2096 | * good if the kernel and mkinitrd exist (even if the entry | ||
2097 | * is going to be removed). Try and use the default entry, but | ||
2098 | * if that doesn't work just take the first. If we can't find one, | ||
2099 | * bail. */ | ||
2100 | struct singleEntry * findTemplate(struct grubConfig * cfg, const char * prefix, | ||
2101 | int * indexPtr, int skipRemoved, int flags) { | ||
2102 | struct singleEntry * entry, * entry2; | ||
2103 | int index; | ||
2104 | |||
2105 | niro | 2252 | if (cfg->cfi->defaultIsSaved) { |
2106 | if (cfg->cfi->getEnv) { | ||
2107 | char *defTitle = cfg->cfi->getEnv(cfg->cfi, "saved_entry"); | ||
2108 | if (defTitle) { | ||
2109 | int index = 0; | ||
2110 | niro | 2258 | if (isnumber(defTitle)) { |
2111 | index = atoi(defTitle); | ||
2112 | entry = findEntryByIndex(cfg, index); | ||
2113 | } else { | ||
2114 | entry = findEntryByTitle(cfg, defTitle, &index); | ||
2115 | } | ||
2116 | if (entry) | ||
2117 | cfg->defaultImage = index; | ||
2118 | niro | 2252 | } |
2119 | } | ||
2120 | } else if (cfg->defaultImage > -1) { | ||
2121 | niro | 532 | entry = findEntryByIndex(cfg, cfg->defaultImage); |
2122 | if (entry && suitableImage(entry, prefix, skipRemoved, flags)) { | ||
2123 | if (indexPtr) *indexPtr = cfg->defaultImage; | ||
2124 | return entry; | ||
2125 | } | ||
2126 | } | ||
2127 | |||
2128 | index = 0; | ||
2129 | while ((entry = findEntryByIndex(cfg, index))) { | ||
2130 | if (suitableImage(entry, prefix, skipRemoved, flags)) { | ||
2131 | int j; | ||
2132 | for (j = 0; j < index; j++) { | ||
2133 | entry2 = findEntryByIndex(cfg, j); | ||
2134 | if (entry2->skip) index--; | ||
2135 | } | ||
2136 | if (indexPtr) *indexPtr = index; | ||
2137 | |||
2138 | return entry; | ||
2139 | } | ||
2140 | |||
2141 | index++; | ||
2142 | } | ||
2143 | |||
2144 | fprintf(stderr, _("grubby fatal error: unable to find a suitable template\n")); | ||
2145 | |||
2146 | return NULL; | ||
2147 | } | ||
2148 | |||
2149 | char * findBootPrefix(void) { | ||
2150 | struct stat sb, sb2; | ||
2151 | |||
2152 | stat("/", &sb); | ||
2153 | #ifdef __ia64__ | ||
2154 | stat("/boot/efi/EFI/redhat/", &sb2); | ||
2155 | #else | ||
2156 | stat("/boot", &sb2); | ||
2157 | #endif | ||
2158 | |||
2159 | if (sb.st_dev == sb2.st_dev) | ||
2160 | return strdup(""); | ||
2161 | |||
2162 | #ifdef __ia64__ | ||
2163 | return strdup("/boot/efi/EFI/redhat/"); | ||
2164 | #else | ||
2165 | return strdup("/boot"); | ||
2166 | #endif | ||
2167 | } | ||
2168 | |||
2169 | void markRemovedImage(struct grubConfig * cfg, const char * image, | ||
2170 | const char * prefix) { | ||
2171 | struct singleEntry * entry; | ||
2172 | |||
2173 | niro | 1801 | if (!image) |
2174 | return; | ||
2175 | niro | 532 | |
2176 | niro | 1801 | /* check and see if we're removing the default image */ |
2177 | if (isdigit(*image)) { | ||
2178 | entry = findEntryByPath(cfg, image, prefix, NULL); | ||
2179 | if(entry) | ||
2180 | entry->skip = 1; | ||
2181 | return; | ||
2182 | } | ||
2183 | |||
2184 | niro | 532 | while ((entry = findEntryByPath(cfg, image, prefix, NULL))) |
2185 | entry->skip = 1; | ||
2186 | } | ||
2187 | |||
2188 | void setDefaultImage(struct grubConfig * config, int hasNew, | ||
2189 | const char * defaultKernelPath, int newIsDefault, | ||
2190 | niro | 1859 | const char * prefix, int flags, int index) { |
2191 | niro | 532 | struct singleEntry * entry, * entry2, * newDefault; |
2192 | int i, j; | ||
2193 | |||
2194 | if (newIsDefault) { | ||
2195 | config->defaultImage = 0; | ||
2196 | return; | ||
2197 | niro | 1859 | } else if ((index >= 0) && config->cfi->defaultIsIndex) { |
2198 | if (findEntryByIndex(config, index)) | ||
2199 | config->defaultImage = index; | ||
2200 | else | ||
2201 | config->defaultImage = -1; | ||
2202 | return; | ||
2203 | niro | 532 | } else if (defaultKernelPath) { |
2204 | i = 0; | ||
2205 | if (findEntryByPath(config, defaultKernelPath, prefix, &i)) { | ||
2206 | config->defaultImage = i; | ||
2207 | } else { | ||
2208 | config->defaultImage = -1; | ||
2209 | return; | ||
2210 | } | ||
2211 | } | ||
2212 | |||
2213 | /* defaultImage now points to what we'd like to use, but before any order | ||
2214 | changes */ | ||
2215 | niro | 1748 | if ((config->defaultImage == DEFAULT_SAVED) || |
2216 | (config->defaultImage == DEFAULT_SAVED_GRUB2)) | ||
2217 | niro | 532 | /* default is set to saved, we don't want to change it */ |
2218 | return; | ||
2219 | |||
2220 | if (config->defaultImage > -1) | ||
2221 | entry = findEntryByIndex(config, config->defaultImage); | ||
2222 | else | ||
2223 | entry = NULL; | ||
2224 | |||
2225 | if (entry && !entry->skip) { | ||
2226 | /* we can preserve the default */ | ||
2227 | if (hasNew) | ||
2228 | config->defaultImage++; | ||
2229 | |||
2230 | /* count the number of entries erased before this one */ | ||
2231 | for (j = 0; j < config->defaultImage; j++) { | ||
2232 | entry2 = findEntryByIndex(config, j); | ||
2233 | if (entry2->skip) config->defaultImage--; | ||
2234 | } | ||
2235 | } else if (hasNew) { | ||
2236 | config->defaultImage = 0; | ||
2237 | } else { | ||
2238 | /* Either we just erased the default (or the default line was bad | ||
2239 | * to begin with) and didn't put a new one in. We'll use the first | ||
2240 | * valid image. */ | ||
2241 | newDefault = findTemplate(config, prefix, &config->defaultImage, 1, | ||
2242 | flags); | ||
2243 | if (!newDefault) | ||
2244 | config->defaultImage = -1; | ||
2245 | } | ||
2246 | } | ||
2247 | |||
2248 | void setFallbackImage(struct grubConfig * config, int hasNew) { | ||
2249 | struct singleEntry * entry, * entry2; | ||
2250 | int j; | ||
2251 | |||
2252 | if (config->fallbackImage == -1) return; | ||
2253 | |||
2254 | entry = findEntryByIndex(config, config->fallbackImage); | ||
2255 | if (!entry || entry->skip) { | ||
2256 | config->fallbackImage = -1; | ||
2257 | return; | ||
2258 | } | ||
2259 | |||
2260 | if (hasNew) | ||
2261 | config->fallbackImage++; | ||
2262 | |||
2263 | /* count the number of entries erased before this one */ | ||
2264 | for (j = 0; j < config->fallbackImage; j++) { | ||
2265 | entry2 = findEntryByIndex(config, j); | ||
2266 | if (entry2->skip) config->fallbackImage--; | ||
2267 | } | ||
2268 | } | ||
2269 | |||
2270 | void displayEntry(struct singleEntry * entry, const char * prefix, int index) { | ||
2271 | struct singleLine * line; | ||
2272 | char * root = NULL; | ||
2273 | int i; | ||
2274 | |||
2275 | printf("index=%d\n", index); | ||
2276 | |||
2277 | niro | 2683 | line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines); |
2278 | niro | 914 | if (!line) { |
2279 | printf("non linux entry\n"); | ||
2280 | return; | ||
2281 | } | ||
2282 | |||
2283 | niro | 1849 | if (!strncmp(prefix, line->elements[1].item, strlen(prefix))) |
2284 | printf("kernel=%s\n", line->elements[1].item); | ||
2285 | else | ||
2286 | printf("kernel=%s%s\n", prefix, line->elements[1].item); | ||
2287 | niro | 532 | |
2288 | if (line->numElements >= 3) { | ||
2289 | printf("args=\""); | ||
2290 | i = 2; | ||
2291 | while (i < line->numElements) { | ||
2292 | if (!strncmp(line->elements[i].item, "root=", 5)) { | ||
2293 | root = line->elements[i].item + 5; | ||
2294 | } else { | ||
2295 | printf("%s%s", line->elements[i].item, | ||
2296 | line->elements[i].indent); | ||
2297 | } | ||
2298 | |||
2299 | i++; | ||
2300 | } | ||
2301 | printf("\"\n"); | ||
2302 | } else { | ||
2303 | niro | 914 | line = getLineByType(LT_KERNELARGS, entry->lines); |
2304 | niro | 532 | if (line) { |
2305 | char * s; | ||
2306 | |||
2307 | printf("args=\""); | ||
2308 | i = 1; | ||
2309 | while (i < line->numElements) { | ||
2310 | if (!strncmp(line->elements[i].item, "root=", 5)) { | ||
2311 | root = line->elements[i].item + 5; | ||
2312 | } else { | ||
2313 | s = line->elements[i].item; | ||
2314 | |||
2315 | printf("%s%s", s, line->elements[i].indent); | ||
2316 | } | ||
2317 | |||
2318 | i++; | ||
2319 | } | ||
2320 | |||
2321 | s = line->elements[i - 1].indent; | ||
2322 | printf("\"\n"); | ||
2323 | } | ||
2324 | } | ||
2325 | |||
2326 | if (!root) { | ||
2327 | niro | 914 | line = getLineByType(LT_ROOT, entry->lines); |
2328 | niro | 532 | if (line && line->numElements >= 2) |
2329 | root=line->elements[1].item; | ||
2330 | } | ||
2331 | |||
2332 | if (root) { | ||
2333 | char * s = alloca(strlen(root) + 1); | ||
2334 | |||
2335 | strcpy(s, root); | ||
2336 | if (s[strlen(s) - 1] == '"') | ||
2337 | s[strlen(s) - 1] = '\0'; | ||
2338 | /* make sure the root doesn't have a trailing " */ | ||
2339 | printf("root=%s\n", s); | ||
2340 | } | ||
2341 | |||
2342 | niro | 2683 | line = getLineByType(LT_INITRD|LT_INITRD_EFI|LT_INITRD_16, entry->lines); |
2343 | niro | 532 | |
2344 | if (line && line->numElements >= 2) { | ||
2345 | niro | 1849 | if (!strncmp(prefix, line->elements[1].item, strlen(prefix))) |
2346 | printf("initrd="); | ||
2347 | else | ||
2348 | printf("initrd=%s", prefix); | ||
2349 | |||
2350 | niro | 532 | for (i = 1; i < line->numElements; i++) |
2351 | printf("%s%s", line->elements[i].item, line->elements[i].indent); | ||
2352 | printf("\n"); | ||
2353 | } | ||
2354 | niro | 1751 | |
2355 | line = getLineByType(LT_TITLE, entry->lines); | ||
2356 | if (line) { | ||
2357 | printf("title=%s\n", line->elements[1].item); | ||
2358 | } else { | ||
2359 | char * title; | ||
2360 | line = getLineByType(LT_MENUENTRY, entry->lines); | ||
2361 | title = grub2ExtractTitle(line); | ||
2362 | if (title) | ||
2363 | printf("title=%s\n", title); | ||
2364 | } | ||
2365 | niro | 532 | } |
2366 | |||
2367 | niro | 1850 | int isSuseSystem(void) { |
2368 | const char * path; | ||
2369 | const static char default_path[] = "/etc/SuSE-release"; | ||
2370 | |||
2371 | if ((path = getenv("GRUBBY_SUSE_RELEASE")) == NULL) | ||
2372 | path = default_path; | ||
2373 | |||
2374 | if (!access(path, R_OK)) | ||
2375 | return 1; | ||
2376 | return 0; | ||
2377 | } | ||
2378 | |||
2379 | int isSuseGrubConf(const char * path) { | ||
2380 | FILE * grubConf; | ||
2381 | char * line = NULL; | ||
2382 | size_t len = 0, res = 0; | ||
2383 | |||
2384 | grubConf = fopen(path, "r"); | ||
2385 | if (!grubConf) { | ||
2386 | dbgPrintf("Could not open SuSE configuration file '%s'\n", path); | ||
2387 | return 0; | ||
2388 | } | ||
2389 | |||
2390 | while ((res = getline(&line, &len, grubConf)) != -1) { | ||
2391 | if (!strncmp(line, "setup", 5)) { | ||
2392 | fclose(grubConf); | ||
2393 | free(line); | ||
2394 | return 1; | ||
2395 | } | ||
2396 | } | ||
2397 | |||
2398 | dbgPrintf("SuSE configuration file '%s' does not appear to be valid\n", | ||
2399 | path); | ||
2400 | |||
2401 | fclose(grubConf); | ||
2402 | free(line); | ||
2403 | return 0; | ||
2404 | } | ||
2405 | |||
2406 | int suseGrubConfGetLba(const char * path, int * lbaPtr) { | ||
2407 | FILE * grubConf; | ||
2408 | char * line = NULL; | ||
2409 | size_t res = 0, len = 0; | ||
2410 | |||
2411 | if (!path) return 1; | ||
2412 | if (!lbaPtr) return 1; | ||
2413 | |||
2414 | grubConf = fopen(path, "r"); | ||
2415 | if (!grubConf) return 1; | ||
2416 | |||
2417 | while ((res = getline(&line, &len, grubConf)) != -1) { | ||
2418 | if (line[res - 1] == '\n') | ||
2419 | line[res - 1] = '\0'; | ||
2420 | else if (len > res) | ||
2421 | line[res] = '\0'; | ||
2422 | else { | ||
2423 | line = realloc(line, res + 1); | ||
2424 | line[res] = '\0'; | ||
2425 | } | ||
2426 | |||
2427 | if (!strncmp(line, "setup", 5)) { | ||
2428 | if (strstr(line, "--force-lba")) { | ||
2429 | *lbaPtr = 1; | ||
2430 | } else { | ||
2431 | *lbaPtr = 0; | ||
2432 | } | ||
2433 | dbgPrintf("lba: %i\n", *lbaPtr); | ||
2434 | break; | ||
2435 | } | ||
2436 | } | ||
2437 | |||
2438 | free(line); | ||
2439 | fclose(grubConf); | ||
2440 | return 0; | ||
2441 | } | ||
2442 | |||
2443 | int suseGrubConfGetInstallDevice(const char * path, char ** devicePtr) { | ||
2444 | FILE * grubConf; | ||
2445 | char * line = NULL; | ||
2446 | size_t res = 0, len = 0; | ||
2447 | char * lastParamPtr = NULL; | ||
2448 | char * secLastParamPtr = NULL; | ||
2449 | char installDeviceNumber = '\0'; | ||
2450 | char * bounds = NULL; | ||
2451 | |||
2452 | if (!path) return 1; | ||
2453 | if (!devicePtr) return 1; | ||
2454 | |||
2455 | grubConf = fopen(path, "r"); | ||
2456 | if (!grubConf) return 1; | ||
2457 | |||
2458 | while ((res = getline(&line, &len, grubConf)) != -1) { | ||
2459 | if (strncmp(line, "setup", 5)) | ||
2460 | continue; | ||
2461 | |||
2462 | if (line[res - 1] == '\n') | ||
2463 | line[res - 1] = '\0'; | ||
2464 | else if (len > res) | ||
2465 | line[res] = '\0'; | ||
2466 | else { | ||
2467 | line = realloc(line, res + 1); | ||
2468 | line[res] = '\0'; | ||
2469 | } | ||
2470 | |||
2471 | lastParamPtr = bounds = line + res; | ||
2472 | |||
2473 | /* Last parameter in grub may be an optional IMAGE_DEVICE */ | ||
2474 | while (!isspace(*lastParamPtr)) | ||
2475 | lastParamPtr--; | ||
2476 | lastParamPtr++; | ||
2477 | |||
2478 | secLastParamPtr = lastParamPtr - 2; | ||
2479 | dbgPrintf("lastParamPtr: %s\n", lastParamPtr); | ||
2480 | |||
2481 | if (lastParamPtr + 3 > bounds) { | ||
2482 | dbgPrintf("lastParamPtr going over boundary"); | ||
2483 | fclose(grubConf); | ||
2484 | free(line); | ||
2485 | return 1; | ||
2486 | } | ||
2487 | if (!strncmp(lastParamPtr, "(hd", 3)) | ||
2488 | lastParamPtr += 3; | ||
2489 | dbgPrintf("lastParamPtr: %c\n", *lastParamPtr); | ||
2490 | |||
2491 | /* | ||
2492 | * Second last parameter will decide wether last parameter is | ||
2493 | * an IMAGE_DEVICE or INSTALL_DEVICE | ||
2494 | */ | ||
2495 | while (!isspace(*secLastParamPtr)) | ||
2496 | secLastParamPtr--; | ||
2497 | secLastParamPtr++; | ||
2498 | |||
2499 | if (secLastParamPtr + 3 > bounds) { | ||
2500 | dbgPrintf("secLastParamPtr going over boundary"); | ||
2501 | fclose(grubConf); | ||
2502 | free(line); | ||
2503 | return 1; | ||
2504 | } | ||
2505 | dbgPrintf("secLastParamPtr: %s\n", secLastParamPtr); | ||
2506 | if (!strncmp(secLastParamPtr, "(hd", 3)) { | ||
2507 | secLastParamPtr += 3; | ||
2508 | dbgPrintf("secLastParamPtr: %c\n", *secLastParamPtr); | ||
2509 | installDeviceNumber = *secLastParamPtr; | ||
2510 | } else { | ||
2511 | installDeviceNumber = *lastParamPtr; | ||
2512 | } | ||
2513 | |||
2514 | *devicePtr = malloc(6); | ||
2515 | snprintf(*devicePtr, 6, "(hd%c)", installDeviceNumber); | ||
2516 | dbgPrintf("installDeviceNumber: %c\n", installDeviceNumber); | ||
2517 | fclose(grubConf); | ||
2518 | free(line); | ||
2519 | return 0; | ||
2520 | } | ||
2521 | |||
2522 | free(line); | ||
2523 | fclose(grubConf); | ||
2524 | return 1; | ||
2525 | } | ||
2526 | |||
2527 | int grubGetBootFromDeviceMap(const char * device, | ||
2528 | char ** bootPtr) { | ||
2529 | FILE * deviceMap; | ||
2530 | char * line = NULL; | ||
2531 | size_t res = 0, len = 0; | ||
2532 | char * devicePtr; | ||
2533 | char * bounds = NULL; | ||
2534 | const char * path; | ||
2535 | const static char default_path[] = "/boot/grub/device.map"; | ||
2536 | |||
2537 | if (!device) return 1; | ||
2538 | if (!bootPtr) return 1; | ||
2539 | |||
2540 | if ((path = getenv("GRUBBY_GRUB_DEVICE_MAP")) == NULL) | ||
2541 | path = default_path; | ||
2542 | |||
2543 | dbgPrintf("opening grub device.map file from: %s\n", path); | ||
2544 | deviceMap = fopen(path, "r"); | ||
2545 | if (!deviceMap) | ||
2546 | return 1; | ||
2547 | |||
2548 | while ((res = getline(&line, &len, deviceMap)) != -1) { | ||
2549 | if (!strncmp(line, "#", 1)) | ||
2550 | continue; | ||
2551 | |||
2552 | if (line[res - 1] == '\n') | ||
2553 | line[res - 1] = '\0'; | ||
2554 | else if (len > res) | ||
2555 | line[res] = '\0'; | ||
2556 | else { | ||
2557 | line = realloc(line, res + 1); | ||
2558 | line[res] = '\0'; | ||
2559 | } | ||
2560 | |||
2561 | devicePtr = line; | ||
2562 | bounds = line + res; | ||
2563 | |||
2564 | while ((isspace(*line) && ((devicePtr + 1) <= bounds))) | ||
2565 | devicePtr++; | ||
2566 | dbgPrintf("device: %s\n", devicePtr); | ||
2567 | |||
2568 | if (!strncmp(devicePtr, device, strlen(device))) { | ||
2569 | devicePtr += strlen(device); | ||
2570 | while (isspace(*devicePtr) && ((devicePtr + 1) <= bounds)) | ||
2571 | devicePtr++; | ||
2572 | |||
2573 | *bootPtr = strdup(devicePtr); | ||
2574 | break; | ||
2575 | } | ||
2576 | } | ||
2577 | |||
2578 | free(line); | ||
2579 | fclose(deviceMap); | ||
2580 | return 0; | ||
2581 | } | ||
2582 | |||
2583 | int suseGrubConfGetBoot(const char * path, char ** bootPtr) { | ||
2584 | char * grubDevice; | ||
2585 | |||
2586 | if (suseGrubConfGetInstallDevice(path, &grubDevice)) | ||
2587 | dbgPrintf("error looking for grub installation device\n"); | ||
2588 | else | ||
2589 | dbgPrintf("grubby installation device: %s\n", grubDevice); | ||
2590 | |||
2591 | if (grubGetBootFromDeviceMap(grubDevice, bootPtr)) | ||
2592 | dbgPrintf("error looking for grub boot device\n"); | ||
2593 | else | ||
2594 | dbgPrintf("grubby boot device: %s\n", *bootPtr); | ||
2595 | |||
2596 | free(grubDevice); | ||
2597 | return 0; | ||
2598 | } | ||
2599 | |||
2600 | int parseSuseGrubConf(int * lbaPtr, char ** bootPtr) { | ||
2601 | /* | ||
2602 | * This SuSE grub configuration file at this location is not your average | ||
2603 | * grub configuration file, but instead the grub commands used to setup | ||
2604 | * grub on that system. | ||
2605 | */ | ||
2606 | const char * path; | ||
2607 | const static char default_path[] = "/etc/grub.conf"; | ||
2608 | |||
2609 | if ((path = getenv("GRUBBY_SUSE_GRUB_CONF")) == NULL) | ||
2610 | path = default_path; | ||
2611 | |||
2612 | if (!isSuseGrubConf(path)) return 1; | ||
2613 | |||
2614 | if (lbaPtr) { | ||
2615 | *lbaPtr = 0; | ||
2616 | if (suseGrubConfGetLba(path, lbaPtr)) | ||
2617 | return 1; | ||
2618 | } | ||
2619 | |||
2620 | if (bootPtr) { | ||
2621 | *bootPtr = NULL; | ||
2622 | suseGrubConfGetBoot(path, bootPtr); | ||
2623 | } | ||
2624 | |||
2625 | return 0; | ||
2626 | } | ||
2627 | |||
2628 | niro | 532 | int parseSysconfigGrub(int * lbaPtr, char ** bootPtr) { |
2629 | FILE * in; | ||
2630 | char buf[1024]; | ||
2631 | char * chptr; | ||
2632 | char * start; | ||
2633 | char * param; | ||
2634 | |||
2635 | niro | 926 | in = fopen("/etc/conf.d/grub", "r"); |
2636 | niro | 532 | if (!in) return 1; |
2637 | |||
2638 | if (lbaPtr) *lbaPtr = 0; | ||
2639 | if (bootPtr) *bootPtr = NULL; | ||
2640 | |||
2641 | while (fgets(buf, sizeof(buf), in)) { | ||
2642 | start = buf; | ||
2643 | while (isspace(*start)) start++; | ||
2644 | if (*start == '#') continue; | ||
2645 | |||
2646 | chptr = strchr(start, '='); | ||
2647 | if (!chptr) continue; | ||
2648 | chptr--; | ||
2649 | while (*chptr && isspace(*chptr)) chptr--; | ||
2650 | chptr++; | ||
2651 | *chptr = '\0'; | ||
2652 | |||
2653 | param = chptr + 1; | ||
2654 | while (*param && isspace(*param)) param++; | ||
2655 | if (*param == '=') { | ||
2656 | param++; | ||
2657 | while (*param && isspace(*param)) param++; | ||
2658 | } | ||
2659 | |||
2660 | chptr = param; | ||
2661 | while (*chptr && !isspace(*chptr)) chptr++; | ||
2662 | *chptr = '\0'; | ||
2663 | |||
2664 | if (!strcmp(start, "forcelba") && !strcmp(param, "1") && lbaPtr) | ||
2665 | *lbaPtr = 1; | ||
2666 | else if (!strcmp(start, "boot") && bootPtr) | ||
2667 | *bootPtr = strdup(param); | ||
2668 | } | ||
2669 | |||
2670 | fclose(in); | ||
2671 | |||
2672 | return 0; | ||
2673 | } | ||
2674 | |||
2675 | void dumpSysconfigGrub(void) { | ||
2676 | niro | 1850 | char * boot = NULL; |
2677 | niro | 532 | int lba; |
2678 | |||
2679 | niro | 1851 | if (isSuseSystem()) { |
2680 | if (parseSuseGrubConf(&lba, &boot)) { | ||
2681 | niro | 1850 | free(boot); |
2682 | return; | ||
2683 | } | ||
2684 | } else { | ||
2685 | niro | 1851 | if (parseSysconfigGrub(&lba, &boot)) { |
2686 | niro | 1850 | free(boot); |
2687 | return; | ||
2688 | } | ||
2689 | niro | 532 | } |
2690 | niro | 1850 | |
2691 | if (lba) printf("lba\n"); | ||
2692 | if (boot) { | ||
2693 | printf("boot=%s\n", boot); | ||
2694 | free(boot); | ||
2695 | } | ||
2696 | niro | 532 | } |
2697 | |||
2698 | int displayInfo(struct grubConfig * config, char * kernel, | ||
2699 | const char * prefix) { | ||
2700 | int i = 0; | ||
2701 | struct singleEntry * entry; | ||
2702 | struct singleLine * line; | ||
2703 | |||
2704 | entry = findEntryByPath(config, kernel, prefix, &i); | ||
2705 | if (!entry) { | ||
2706 | fprintf(stderr, _("grubby: kernel not found\n")); | ||
2707 | return 1; | ||
2708 | } | ||
2709 | |||
2710 | niro | 926 | /* this is a horrible hack to support /etc/conf.d/grub; there must |
2711 | niro | 532 | be a better way */ |
2712 | if (config->cfi == &grubConfigType) { | ||
2713 | dumpSysconfigGrub(); | ||
2714 | } else { | ||
2715 | niro | 914 | line = getLineByType(LT_BOOT, config->theLines); |
2716 | niro | 532 | if (line && line->numElements >= 1) { |
2717 | printf("boot=%s\n", line->elements[1].item); | ||
2718 | } | ||
2719 | |||
2720 | niro | 914 | line = getLineByType(LT_LBA, config->theLines); |
2721 | niro | 532 | if (line) printf("lba\n"); |
2722 | } | ||
2723 | |||
2724 | displayEntry(entry, prefix, i); | ||
2725 | |||
2726 | i++; | ||
2727 | while ((entry = findEntryByPath(config, kernel, prefix, &i))) { | ||
2728 | displayEntry(entry, prefix, i); | ||
2729 | i++; | ||
2730 | } | ||
2731 | |||
2732 | return 0; | ||
2733 | } | ||
2734 | |||
2735 | niro | 914 | struct singleLine * addLineTmpl(struct singleEntry * entry, |
2736 | struct singleLine * tmplLine, | ||
2737 | struct singleLine * prevLine, | ||
2738 | const char * val, | ||
2739 | struct configFileInfo * cfi) | ||
2740 | { | ||
2741 | struct singleLine * newLine = lineDup(tmplLine); | ||
2742 | |||
2743 | niro | 1940 | if (isEfi && cfi == &grub2ConfigType) { |
2744 | enum lineType_e old = newLine->type; | ||
2745 | newLine->type = preferredLineType(newLine->type, cfi); | ||
2746 | if (old != newLine->type) | ||
2747 | newLine->elements[0].item = getKeyByType(newLine->type, cfi); | ||
2748 | } | ||
2749 | |||
2750 | niro | 914 | if (val) { |
2751 | /* override the inherited value with our own. | ||
2752 | * This is a little weak because it only applies to elements[1] | ||
2753 | */ | ||
2754 | if (newLine->numElements > 1) | ||
2755 | removeElement(newLine, 1); | ||
2756 | insertElement(newLine, val, 1, cfi); | ||
2757 | |||
2758 | /* but try to keep the rootspec from the template... sigh */ | ||
2759 | niro | 2683 | if (tmplLine->type & (LT_HYPER|LT_KERNEL|LT_MBMODULE|LT_INITRD|LT_KERNEL_EFI|LT_INITRD_EFI|LT_KERNEL_16|LT_INITRD_16)) { |
2760 | niro | 914 | char * rootspec = getRootSpecifier(tmplLine->elements[1].item); |
2761 | if (rootspec != NULL) { | ||
2762 | free(newLine->elements[1].item); | ||
2763 | newLine->elements[1].item = | ||
2764 | sdupprintf("%s%s", rootspec, val); | ||
2765 | } | ||
2766 | } | ||
2767 | } | ||
2768 | |||
2769 | dbgPrintf("addLineTmpl(%s)\n", newLine->numElements ? | ||
2770 | newLine->elements[0].item : ""); | ||
2771 | |||
2772 | if (!entry->lines) { | ||
2773 | /* first one on the list */ | ||
2774 | entry->lines = newLine; | ||
2775 | } else if (prevLine) { | ||
2776 | /* add after prevLine */ | ||
2777 | newLine->next = prevLine->next; | ||
2778 | prevLine->next = newLine; | ||
2779 | } | ||
2780 | |||
2781 | return newLine; | ||
2782 | } | ||
2783 | |||
2784 | niro | 532 | /* val may be NULL */ |
2785 | struct singleLine * addLine(struct singleEntry * entry, | ||
2786 | struct configFileInfo * cfi, | ||
2787 | niro | 914 | enum lineType_e type, char * defaultIndent, |
2788 | const char * val) { | ||
2789 | niro | 532 | struct singleLine * line, * prev; |
2790 | niro | 914 | struct keywordTypes * kw; |
2791 | struct singleLine tmpl; | ||
2792 | niro | 532 | |
2793 | niro | 914 | /* NB: This function shouldn't allocate items on the heap, rather on the |
2794 | * stack since it calls addLineTmpl which will make copies. | ||
2795 | */ | ||
2796 | if (type == LT_TITLE && cfi->titleBracketed) { | ||
2797 | /* we're doing a bracketed title (zipl) */ | ||
2798 | tmpl.type = type; | ||
2799 | tmpl.numElements = 1; | ||
2800 | tmpl.elements = alloca(sizeof(*tmpl.elements)); | ||
2801 | tmpl.elements[0].item = alloca(strlen(val)+3); | ||
2802 | sprintf(tmpl.elements[0].item, "[%s]", val); | ||
2803 | tmpl.elements[0].indent = ""; | ||
2804 | val = NULL; | ||
2805 | niro | 1696 | } else if (type == LT_MENUENTRY) { |
2806 | char *lineend = "--class gnu-linux --class gnu --class os {"; | ||
2807 | if (!val) { | ||
2808 | fprintf(stderr, "Line type LT_MENUENTRY requires a value\n"); | ||
2809 | abort(); | ||
2810 | } | ||
2811 | kw = getKeywordByType(type, cfi); | ||
2812 | if (!kw) { | ||
2813 | fprintf(stderr, "Looking up keyword for unknown type %d\n", type); | ||
2814 | abort(); | ||
2815 | } | ||
2816 | tmpl.indent = ""; | ||
2817 | tmpl.type = type; | ||
2818 | tmpl.numElements = 3; | ||
2819 | tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements); | ||
2820 | tmpl.elements[0].item = kw->key; | ||
2821 | tmpl.elements[0].indent = alloca(2); | ||
2822 | sprintf(tmpl.elements[0].indent, "%c", kw->nextChar); | ||
2823 | tmpl.elements[1].item = (char *)val; | ||
2824 | tmpl.elements[1].indent = alloca(2); | ||
2825 | sprintf(tmpl.elements[1].indent, "%c", kw->nextChar); | ||
2826 | tmpl.elements[2].item = alloca(strlen(lineend)+1); | ||
2827 | strcpy(tmpl.elements[2].item, lineend); | ||
2828 | tmpl.elements[2].indent = ""; | ||
2829 | niro | 914 | } else { |
2830 | kw = getKeywordByType(type, cfi); | ||
2831 | niro | 1696 | if (!kw) { |
2832 | fprintf(stderr, "Looking up keyword for unknown type %d\n", type); | ||
2833 | abort(); | ||
2834 | } | ||
2835 | niro | 914 | tmpl.type = type; |
2836 | tmpl.numElements = val ? 2 : 1; | ||
2837 | tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements); | ||
2838 | tmpl.elements[0].item = kw->key; | ||
2839 | tmpl.elements[0].indent = alloca(2); | ||
2840 | sprintf(tmpl.elements[0].indent, "%c", kw->nextChar); | ||
2841 | if (val) { | ||
2842 | tmpl.elements[1].item = (char *)val; | ||
2843 | tmpl.elements[1].indent = ""; | ||
2844 | } | ||
2845 | } | ||
2846 | |||
2847 | niro | 532 | /* The last non-empty line gives us the indention to us and the line |
2848 | to insert after. Note that comments are considered empty lines, which | ||
2849 | may not be ideal? If there are no lines or we are looking at the | ||
2850 | first line, we use defaultIndent (the first line is normally indented | ||
2851 | differently from the rest) */ | ||
2852 | niro | 914 | for (line = entry->lines, prev = NULL; line; line = line->next) { |
2853 | if (line->numElements) prev = line; | ||
2854 | /* fall back on the last line if prev isn't otherwise set */ | ||
2855 | if (!line->next && !prev) prev = line; | ||
2856 | niro | 532 | } |
2857 | |||
2858 | niro | 1696 | struct singleLine *menuEntry; |
2859 | menuEntry = getLineByType(LT_MENUENTRY, entry->lines); | ||
2860 | if (tmpl.type == LT_ENTRY_END) { | ||
2861 | if (menuEntry) | ||
2862 | tmpl.indent = menuEntry->indent; | ||
2863 | else | ||
2864 | tmpl.indent = defaultIndent ?: ""; | ||
2865 | } else if (tmpl.type != LT_MENUENTRY) { | ||
2866 | if (menuEntry) | ||
2867 | tmpl.indent = "\t"; | ||
2868 | else if (prev == entry->lines) | ||
2869 | tmpl.indent = defaultIndent ?: ""; | ||
2870 | else | ||
2871 | tmpl.indent = prev->indent; | ||
2872 | } | ||
2873 | niro | 532 | |
2874 | niro | 914 | return addLineTmpl(entry, &tmpl, prev, val, cfi); |
2875 | niro | 532 | } |
2876 | |||
2877 | void removeLine(struct singleEntry * entry, struct singleLine * line) { | ||
2878 | struct singleLine * prev; | ||
2879 | int i; | ||
2880 | |||
2881 | for (i = 0; i < line->numElements; i++) { | ||
2882 | free(line->elements[i].item); | ||
2883 | free(line->elements[i].indent); | ||
2884 | } | ||
2885 | free(line->elements); | ||
2886 | free(line->indent); | ||
2887 | |||
2888 | if (line == entry->lines) { | ||
2889 | entry->lines = line->next; | ||
2890 | } else { | ||
2891 | prev = entry->lines; | ||
2892 | while (prev->next != line) prev = prev->next; | ||
2893 | prev->next = line->next; | ||
2894 | } | ||
2895 | |||
2896 | free(line); | ||
2897 | } | ||
2898 | |||
2899 | niro | 1696 | static void requote(struct singleLine *tmplLine, struct configFileInfo * cfi) |
2900 | { | ||
2901 | struct singleLine newLine = { | ||
2902 | .indent = tmplLine->indent, | ||
2903 | .type = tmplLine->type, | ||
2904 | .next = tmplLine->next, | ||
2905 | }; | ||
2906 | int firstQuotedItem = -1; | ||
2907 | int quoteLen = 0; | ||
2908 | int j; | ||
2909 | int element = 0; | ||
2910 | char *c; | ||
2911 | |||
2912 | c = malloc(strlen(tmplLine->elements[0].item) + 1); | ||
2913 | strcpy(c, tmplLine->elements[0].item); | ||
2914 | insertElement(&newLine, c, element++, cfi); | ||
2915 | free(c); | ||
2916 | c = NULL; | ||
2917 | |||
2918 | for (j = 1; j < tmplLine->numElements; j++) { | ||
2919 | if (firstQuotedItem == -1) { | ||
2920 | quoteLen += strlen(tmplLine->elements[j].item); | ||
2921 | |||
2922 | if (isquote(tmplLine->elements[j].item[0])) { | ||
2923 | firstQuotedItem = j; | ||
2924 | quoteLen += strlen(tmplLine->elements[j].indent); | ||
2925 | } else { | ||
2926 | c = malloc(quoteLen + 1); | ||
2927 | strcpy(c, tmplLine->elements[j].item); | ||
2928 | insertElement(&newLine, c, element++, cfi); | ||
2929 | free(c); | ||
2930 | quoteLen = 0; | ||
2931 | } | ||
2932 | } else { | ||
2933 | int itemlen = strlen(tmplLine->elements[j].item); | ||
2934 | quoteLen += itemlen; | ||
2935 | quoteLen += strlen(tmplLine->elements[j].indent); | ||
2936 | |||
2937 | if (isquote(tmplLine->elements[j].item[itemlen - 1])) { | ||
2938 | c = malloc(quoteLen + 1); | ||
2939 | c[0] = '\0'; | ||
2940 | for (int i = firstQuotedItem; i < j+1; i++) { | ||
2941 | strcat(c, tmplLine->elements[i].item); | ||
2942 | strcat(c, tmplLine->elements[i].indent); | ||
2943 | } | ||
2944 | insertElement(&newLine, c, element++, cfi); | ||
2945 | free(c); | ||
2946 | |||
2947 | firstQuotedItem = -1; | ||
2948 | quoteLen = 0; | ||
2949 | } | ||
2950 | } | ||
2951 | } | ||
2952 | while (tmplLine->numElements) | ||
2953 | removeElement(tmplLine, 0); | ||
2954 | if (tmplLine->elements) | ||
2955 | free(tmplLine->elements); | ||
2956 | |||
2957 | tmplLine->numElements = newLine.numElements; | ||
2958 | tmplLine->elements = newLine.elements; | ||
2959 | } | ||
2960 | |||
2961 | niro | 914 | static void insertElement(struct singleLine * line, |
2962 | const char * item, int insertHere, | ||
2963 | struct configFileInfo * cfi) | ||
2964 | { | ||
2965 | struct keywordTypes * kw; | ||
2966 | char indent[2] = ""; | ||
2967 | |||
2968 | /* sanity check */ | ||
2969 | if (insertHere > line->numElements) { | ||
2970 | dbgPrintf("insertElement() adjusting insertHere from %d to %d\n", | ||
2971 | insertHere, line->numElements); | ||
2972 | insertHere = line->numElements; | ||
2973 | } | ||
2974 | |||
2975 | line->elements = realloc(line->elements, (line->numElements + 1) * | ||
2976 | sizeof(*line->elements)); | ||
2977 | memmove(&line->elements[insertHere+1], | ||
2978 | &line->elements[insertHere], | ||
2979 | (line->numElements - insertHere) * | ||
2980 | sizeof(*line->elements)); | ||
2981 | line->elements[insertHere].item = strdup(item); | ||
2982 | |||
2983 | kw = getKeywordByType(line->type, cfi); | ||
2984 | |||
2985 | if (line->numElements == 0) { | ||
2986 | indent[0] = '\0'; | ||
2987 | } else if (insertHere == 0) { | ||
2988 | indent[0] = kw->nextChar; | ||
2989 | } else if (kw->separatorChar != '\0') { | ||
2990 | indent[0] = kw->separatorChar; | ||
2991 | } else { | ||
2992 | indent[0] = ' '; | ||
2993 | } | ||
2994 | |||
2995 | if (insertHere > 0 && line->elements[insertHere-1].indent[0] == '\0') { | ||
2996 | /* move the end-of-line forward */ | ||
2997 | line->elements[insertHere].indent = | ||
2998 | line->elements[insertHere-1].indent; | ||
2999 | line->elements[insertHere-1].indent = strdup(indent); | ||
3000 | } else { | ||
3001 | line->elements[insertHere].indent = strdup(indent); | ||
3002 | } | ||
3003 | |||
3004 | line->numElements++; | ||
3005 | |||
3006 | dbgPrintf("insertElement(%s, '%s%s', %d)\n", | ||
3007 | line->elements[0].item, | ||
3008 | line->elements[insertHere].item, | ||
3009 | line->elements[insertHere].indent, | ||
3010 | insertHere); | ||
3011 | } | ||
3012 | |||
3013 | static void removeElement(struct singleLine * line, int removeHere) { | ||
3014 | int i; | ||
3015 | |||
3016 | /* sanity check */ | ||
3017 | if (removeHere >= line->numElements) return; | ||
3018 | |||
3019 | dbgPrintf("removeElement(%s, %d:%s)\n", line->elements[0].item, | ||
3020 | removeHere, line->elements[removeHere].item); | ||
3021 | |||
3022 | free(line->elements[removeHere].item); | ||
3023 | |||
3024 | if (removeHere > 1) { | ||
3025 | /* previous argument gets this argument's post-indentation */ | ||
3026 | free(line->elements[removeHere-1].indent); | ||
3027 | line->elements[removeHere-1].indent = | ||
3028 | line->elements[removeHere].indent; | ||
3029 | } else { | ||
3030 | free(line->elements[removeHere].indent); | ||
3031 | } | ||
3032 | |||
3033 | /* now collapse the array, but don't bother to realloc smaller */ | ||
3034 | for (i = removeHere; i < line->numElements - 1; i++) | ||
3035 | line->elements[i] = line->elements[i + 1]; | ||
3036 | |||
3037 | line->numElements--; | ||
3038 | } | ||
3039 | |||
3040 | niro | 532 | int argMatch(const char * one, const char * two) { |
3041 | char * first, * second; | ||
3042 | char * chptr; | ||
3043 | |||
3044 | first = strcpy(alloca(strlen(one) + 1), one); | ||
3045 | second = strcpy(alloca(strlen(two) + 1), two); | ||
3046 | |||
3047 | chptr = strchr(first, '='); | ||
3048 | if (chptr) *chptr = '\0'; | ||
3049 | |||
3050 | chptr = strchr(second, '='); | ||
3051 | if (chptr) *chptr = '\0'; | ||
3052 | |||
3053 | return strcmp(first, second); | ||
3054 | } | ||
3055 | |||
3056 | int updateActualImage(struct grubConfig * cfg, const char * image, | ||
3057 | const char * prefix, const char * addArgs, | ||
3058 | const char * removeArgs, int multibootArgs) { | ||
3059 | struct singleEntry * entry; | ||
3060 | struct singleLine * line, * rootLine; | ||
3061 | int index = 0; | ||
3062 | niro | 914 | int i, k; |
3063 | niro | 532 | const char ** newArgs, ** oldArgs; |
3064 | const char ** arg; | ||
3065 | niro | 914 | int useKernelArgs, useRoot; |
3066 | niro | 532 | int firstElement; |
3067 | niro | 1304 | int *usedElements; |
3068 | niro | 914 | int doreplace; |
3069 | niro | 532 | |
3070 | if (!image) return 0; | ||
3071 | |||
3072 | if (!addArgs) { | ||
3073 | newArgs = malloc(sizeof(*newArgs)); | ||
3074 | *newArgs = NULL; | ||
3075 | } else { | ||
3076 | if (poptParseArgvString(addArgs, NULL, &newArgs)) { | ||
3077 | fprintf(stderr, | ||
3078 | _("grubby: error separating arguments '%s'\n"), addArgs); | ||
3079 | return 1; | ||
3080 | } | ||
3081 | } | ||
3082 | |||
3083 | if (!removeArgs) { | ||
3084 | oldArgs = malloc(sizeof(*oldArgs)); | ||
3085 | *oldArgs = NULL; | ||
3086 | } else { | ||
3087 | if (poptParseArgvString(removeArgs, NULL, &oldArgs)) { | ||
3088 | fprintf(stderr, | ||
3089 | _("grubby: error separating arguments '%s'\n"), removeArgs); | ||
3090 | free(newArgs); | ||
3091 | return 1; | ||
3092 | } | ||
3093 | } | ||
3094 | |||
3095 | |||
3096 | niro | 914 | useKernelArgs = (getKeywordByType(LT_KERNELARGS, cfg->cfi) |
3097 | && (!multibootArgs || cfg->cfi->mbConcatArgs)); | ||
3098 | niro | 532 | |
3099 | niro | 914 | useRoot = (getKeywordByType(LT_ROOT, cfg->cfi) |
3100 | && !multibootArgs); | ||
3101 | niro | 532 | |
3102 | niro | 914 | for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
3103 | niro | 532 | |
3104 | niro | 914 | if (multibootArgs && !entry->multiboot) |
3105 | continue; | ||
3106 | niro | 532 | |
3107 | niro | 914 | /* Determine where to put the args. If this config supports |
3108 | * LT_KERNELARGS, use that. Otherwise use | ||
3109 | * LT_HYPER/LT_KERNEL/LT_MBMODULE lines. | ||
3110 | */ | ||
3111 | if (useKernelArgs) { | ||
3112 | line = getLineByType(LT_KERNELARGS, entry->lines); | ||
3113 | if (!line) { | ||
3114 | /* no LT_KERNELARGS, need to add it */ | ||
3115 | line = addLine(entry, cfg->cfi, LT_KERNELARGS, | ||
3116 | cfg->secondaryIndent, NULL); | ||
3117 | } | ||
3118 | firstElement = 1; | ||
3119 | niro | 532 | |
3120 | niro | 914 | } else if (multibootArgs) { |
3121 | line = getLineByType(LT_HYPER, entry->lines); | ||
3122 | if (!line) { | ||
3123 | /* a multiboot entry without LT_HYPER? */ | ||
3124 | continue; | ||
3125 | } | ||
3126 | firstElement = 2; | ||
3127 | |||
3128 | } else { | ||
3129 | niro | 2683 | line = getLineByType(LT_KERNEL|LT_MBMODULE|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines); |
3130 | niro | 914 | if (!line) { |
3131 | /* no LT_KERNEL or LT_MBMODULE in this entry? */ | ||
3132 | continue; | ||
3133 | } | ||
3134 | firstElement = 2; | ||
3135 | niro | 532 | } |
3136 | |||
3137 | niro | 914 | /* handle the elilo case which does: |
3138 | * append="hypervisor args -- kernel args" | ||
3139 | */ | ||
3140 | if (entry->multiboot && cfg->cfi->mbConcatArgs) { | ||
3141 | /* this is a multiboot entry, make sure there's | ||
3142 | * -- on the args line | ||
3143 | */ | ||
3144 | for (i = firstElement; i < line->numElements; i++) { | ||
3145 | if (!strcmp(line->elements[i].item, "--")) | ||
3146 | break; | ||
3147 | } | ||
3148 | if (i == line->numElements) { | ||
3149 | /* assume all existing args are kernel args, | ||
3150 | * prepend -- to make it official | ||
3151 | */ | ||
3152 | insertElement(line, "--", firstElement, cfg->cfi); | ||
3153 | i = firstElement; | ||
3154 | } | ||
3155 | if (!multibootArgs) { | ||
3156 | /* kernel args start after the -- */ | ||
3157 | firstElement = i + 1; | ||
3158 | } | ||
3159 | } else if (cfg->cfi->mbConcatArgs) { | ||
3160 | /* this is a non-multiboot entry, remove hyper args */ | ||
3161 | for (i = firstElement; i < line->numElements; i++) { | ||
3162 | if (!strcmp(line->elements[i].item, "--")) | ||
3163 | break; | ||
3164 | } | ||
3165 | if (i < line->numElements) { | ||
3166 | /* remove args up to -- */ | ||
3167 | while (strcmp(line->elements[firstElement].item, "--")) | ||
3168 | removeElement(line, firstElement); | ||
3169 | /* remove -- */ | ||
3170 | removeElement(line, firstElement); | ||
3171 | } | ||
3172 | niro | 532 | } |
3173 | |||
3174 | niro | 914 | usedElements = calloc(line->numElements, sizeof(*usedElements)); |
3175 | niro | 532 | |
3176 | niro | 914 | for (k = 0, arg = newArgs; *arg; arg++, k++) { |
3177 | |||
3178 | doreplace = 1; | ||
3179 | niro | 532 | for (i = firstElement; i < line->numElements; i++) { |
3180 | niro | 914 | if (multibootArgs && cfg->cfi->mbConcatArgs && |
3181 | !strcmp(line->elements[i].item, "--")) | ||
3182 | { | ||
3183 | /* reached the end of hyper args, insert here */ | ||
3184 | doreplace = 0; | ||
3185 | break; | ||
3186 | } | ||
3187 | niro | 532 | if (usedElements[i]) |
3188 | continue; | ||
3189 | if (!argMatch(line->elements[i].item, *arg)) { | ||
3190 | usedElements[i]=1; | ||
3191 | break; | ||
3192 | } | ||
3193 | } | ||
3194 | |||
3195 | niro | 914 | if (i < line->numElements && doreplace) { |
3196 | /* direct replacement */ | ||
3197 | niro | 532 | free(line->elements[i].item); |
3198 | line->elements[i].item = strdup(*arg); | ||
3199 | |||
3200 | niro | 914 | } else if (useRoot && !strncmp(*arg, "root=/dev/", 10)) { |
3201 | /* root= replacement */ | ||
3202 | rootLine = getLineByType(LT_ROOT, entry->lines); | ||
3203 | if (rootLine) { | ||
3204 | free(rootLine->elements[1].item); | ||
3205 | rootLine->elements[1].item = strdup(*arg + 5); | ||
3206 | niro | 532 | } else { |
3207 | niro | 914 | rootLine = addLine(entry, cfg->cfi, LT_ROOT, |
3208 | cfg->secondaryIndent, *arg + 5); | ||
3209 | niro | 532 | } |
3210 | niro | 914 | } |
3211 | niro | 532 | |
3212 | niro | 914 | else { |
3213 | /* insert/append */ | ||
3214 | insertElement(line, *arg, i, cfg->cfi); | ||
3215 | usedElements = realloc(usedElements, line->numElements * | ||
3216 | sizeof(*usedElements)); | ||
3217 | memmove(&usedElements[i + 1], &usedElements[i], | ||
3218 | line->numElements - i - 1); | ||
3219 | usedElements[i] = 1; | ||
3220 | niro | 532 | |
3221 | /* if we updated a root= here even though there is a | ||
3222 | LT_ROOT available we need to remove the LT_ROOT entry | ||
3223 | (this will happen if we switch from a device to a label) */ | ||
3224 | if (useRoot && !strncmp(*arg, "root=", 5)) { | ||
3225 | niro | 914 | rootLine = getLineByType(LT_ROOT, entry->lines); |
3226 | if (rootLine) | ||
3227 | niro | 532 | removeLine(entry, rootLine); |
3228 | } | ||
3229 | } | ||
3230 | } | ||
3231 | |||
3232 | free(usedElements); | ||
3233 | |||
3234 | for (arg = oldArgs; *arg; arg++) { | ||
3235 | niro | 914 | for (i = firstElement; i < line->numElements; i++) { |
3236 | if (multibootArgs && cfg->cfi->mbConcatArgs && | ||
3237 | !strcmp(line->elements[i].item, "--")) | ||
3238 | /* reached the end of hyper args, stop here */ | ||
3239 | niro | 532 | break; |
3240 | niro | 914 | if (!argMatch(line->elements[i].item, *arg)) { |
3241 | removeElement(line, i); | ||
3242 | break; | ||
3243 | niro | 532 | } |
3244 | } | ||
3245 | niro | 914 | /* handle removing LT_ROOT line too */ |
3246 | if (useRoot && !strncmp(*arg, "root=", 5)) { | ||
3247 | rootLine = getLineByType(LT_ROOT, entry->lines); | ||
3248 | if (rootLine) | ||
3249 | removeLine(entry, rootLine); | ||
3250 | } | ||
3251 | niro | 532 | } |
3252 | |||
3253 | if (line->numElements == 1) { | ||
3254 | /* don't need the line at all (note it has to be a | ||
3255 | LT_KERNELARGS for this to happen */ | ||
3256 | removeLine(entry, line); | ||
3257 | } | ||
3258 | } | ||
3259 | |||
3260 | free(newArgs); | ||
3261 | free(oldArgs); | ||
3262 | |||
3263 | return 0; | ||
3264 | } | ||
3265 | |||
3266 | int updateImage(struct grubConfig * cfg, const char * image, | ||
3267 | const char * prefix, const char * addArgs, | ||
3268 | const char * removeArgs, | ||
3269 | const char * addMBArgs, const char * removeMBArgs) { | ||
3270 | int rc = 0; | ||
3271 | |||
3272 | if (!image) return rc; | ||
3273 | |||
3274 | /* update the main args first... */ | ||
3275 | if (addArgs || removeArgs) | ||
3276 | rc = updateActualImage(cfg, image, prefix, addArgs, removeArgs, 0); | ||
3277 | if (rc) return rc; | ||
3278 | |||
3279 | /* and now any multiboot args */ | ||
3280 | if (addMBArgs || removeMBArgs) | ||
3281 | rc = updateActualImage(cfg, image, prefix, addMBArgs, removeMBArgs, 1); | ||
3282 | return rc; | ||
3283 | } | ||
3284 | |||
3285 | niro | 2263 | int addMBInitrd(struct grubConfig * cfg, const char *newMBKernel, |
3286 | const char * image, const char * prefix, const char * initrd) { | ||
3287 | struct singleEntry * entry; | ||
3288 | struct singleLine * line, * kernelLine, *endLine = NULL; | ||
3289 | int index = 0; | ||
3290 | |||
3291 | if (!image) return 0; | ||
3292 | |||
3293 | for (; (entry = findEntryByPath(cfg, newMBKernel, prefix, &index)); index++) { | ||
3294 | kernelLine = getLineByType(LT_MBMODULE, entry->lines); | ||
3295 | if (!kernelLine) continue; | ||
3296 | |||
3297 | if (prefix) { | ||
3298 | int prefixLen = strlen(prefix); | ||
3299 | if (!strncmp(initrd, prefix, prefixLen)) | ||
3300 | initrd += prefixLen; | ||
3301 | } | ||
3302 | endLine = getLineByType(LT_ENTRY_END, entry->lines); | ||
3303 | if (endLine) | ||
3304 | removeLine(entry, endLine); | ||
3305 | line = addLine(entry, cfg->cfi, preferredLineType(LT_MBMODULE,cfg->cfi), | ||
3306 | kernelLine->indent, initrd); | ||
3307 | if (!line) | ||
3308 | return 1; | ||
3309 | if (endLine) { | ||
3310 | line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL); | ||
3311 | if (!line) | ||
3312 | return 1; | ||
3313 | } | ||
3314 | |||
3315 | break; | ||
3316 | } | ||
3317 | |||
3318 | return 0; | ||
3319 | } | ||
3320 | |||
3321 | niro | 1156 | int updateInitrd(struct grubConfig * cfg, const char * image, |
3322 | const char * prefix, const char * initrd) { | ||
3323 | struct singleEntry * entry; | ||
3324 | niro | 1696 | struct singleLine * line, * kernelLine, *endLine = NULL; |
3325 | niro | 1156 | int index = 0; |
3326 | |||
3327 | if (!image) return 0; | ||
3328 | |||
3329 | for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { | ||
3330 | niro | 2683 | kernelLine = getLineByType(LT_KERNEL|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines); |
3331 | niro | 1156 | if (!kernelLine) continue; |
3332 | |||
3333 | niro | 2683 | line = getLineByType(LT_INITRD|LT_INITRD_EFI|LT_INITRD_16, entry->lines); |
3334 | niro | 1156 | if (line) |
3335 | removeLine(entry, line); | ||
3336 | if (prefix) { | ||
3337 | int prefixLen = strlen(prefix); | ||
3338 | if (!strncmp(initrd, prefix, prefixLen)) | ||
3339 | initrd += prefixLen; | ||
3340 | } | ||
3341 | niro | 1696 | endLine = getLineByType(LT_ENTRY_END, entry->lines); |
3342 | if (endLine) | ||
3343 | removeLine(entry, endLine); | ||
3344 | niro | 2683 | enum lineType_e lt; |
3345 | switch(kernelLine->type) { | ||
3346 | case LT_KERNEL: | ||
3347 | lt = LT_INITRD; | ||
3348 | break; | ||
3349 | case LT_KERNEL_EFI: | ||
3350 | lt = LT_INITRD_EFI; | ||
3351 | break; | ||
3352 | case LT_KERNEL_16: | ||
3353 | lt = LT_INITRD_16; | ||
3354 | break; | ||
3355 | default: | ||
3356 | lt = preferredLineType(LT_INITRD, cfg->cfi); | ||
3357 | } | ||
3358 | line = addLine(entry, cfg->cfi, lt, kernelLine->indent, initrd); | ||
3359 | niro | 1696 | if (!line) |
3360 | return 1; | ||
3361 | if (endLine) { | ||
3362 | line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL); | ||
3363 | if (!line) | ||
3364 | return 1; | ||
3365 | } | ||
3366 | |||
3367 | niro | 1156 | break; |
3368 | } | ||
3369 | |||
3370 | return 0; | ||
3371 | } | ||
3372 | |||
3373 | niro | 532 | int checkDeviceBootloader(const char * device, const unsigned char * boot) { |
3374 | int fd; | ||
3375 | unsigned char bootSect[512]; | ||
3376 | int offset; | ||
3377 | |||
3378 | fd = open(device, O_RDONLY); | ||
3379 | if (fd < 0) { | ||
3380 | fprintf(stderr, _("grubby: unable to open %s: %s\n"), | ||
3381 | device, strerror(errno)); | ||
3382 | return 1; | ||
3383 | } | ||
3384 | |||
3385 | if (read(fd, bootSect, 512) != 512) { | ||
3386 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
3387 | device, strerror(errno)); | ||
3388 | return 1; | ||
3389 | } | ||
3390 | close(fd); | ||
3391 | |||
3392 | /* first three bytes should match, a jmp short should be in there */ | ||
3393 | if (memcmp(boot, bootSect, 3)) | ||
3394 | return 0; | ||
3395 | |||
3396 | niro | 1718 | if (boot[1] == JMP_SHORT_OPCODE) { |
3397 | niro | 532 | offset = boot[2] + 2; |
3398 | } else if (boot[1] == 0xe8 || boot[1] == 0xe9) { | ||
3399 | offset = (boot[3] << 8) + boot[2] + 2; | ||
3400 | niro | 1718 | } else if (boot[0] == JMP_SHORT_OPCODE) { |
3401 | offset = boot[1] + 2; | ||
3402 | /* | ||
3403 | * it looks like grub, when copying stage1 into the mbr, patches stage1 | ||
3404 | * right after the JMP location, replacing other instructions such as | ||
3405 | * JMPs for NOOPs. So, relax the check a little bit by skipping those | ||
3406 | * different bytes. | ||
3407 | */ | ||
3408 | if ((bootSect[offset + 1] == NOOP_OPCODE) | ||
3409 | && (bootSect[offset + 2] == NOOP_OPCODE)) { | ||
3410 | offset = offset + 3; | ||
3411 | } | ||
3412 | niro | 532 | } else if (boot[0] == 0xe8 || boot[0] == 0xe9) { |
3413 | offset = (boot[2] << 8) + boot[1] + 2; | ||
3414 | } else { | ||
3415 | return 0; | ||
3416 | } | ||
3417 | |||
3418 | if (memcmp(boot + offset, bootSect + offset, CODE_SEG_SIZE)) | ||
3419 | return 0; | ||
3420 | |||
3421 | return 2; | ||
3422 | } | ||
3423 | |||
3424 | int checkLiloOnRaid(char * mdDev, const unsigned char * boot) { | ||
3425 | int fd; | ||
3426 | char buf[65536]; | ||
3427 | char * end; | ||
3428 | char * chptr; | ||
3429 | char * chptr2; | ||
3430 | int rc; | ||
3431 | |||
3432 | /* it's on raid; we need to parse /proc/mdstat and check all of the | ||
3433 | *raw* devices listed in there */ | ||
3434 | |||
3435 | if (!strncmp(mdDev, "/dev/", 5)) | ||
3436 | mdDev += 5; | ||
3437 | |||
3438 | if ((fd = open("/proc/mdstat", O_RDONLY)) < 0) { | ||
3439 | fprintf(stderr, _("grubby: failed to open /proc/mdstat: %s\n"), | ||
3440 | strerror(errno)); | ||
3441 | return 2; | ||
3442 | } | ||
3443 | |||
3444 | rc = read(fd, buf, sizeof(buf) - 1); | ||
3445 | if (rc < 0 || rc == (sizeof(buf) - 1)) { | ||
3446 | fprintf(stderr, _("grubby: failed to read /proc/mdstat: %s\n"), | ||
3447 | strerror(errno)); | ||
3448 | close(fd); | ||
3449 | return 2; | ||
3450 | } | ||
3451 | close(fd); | ||
3452 | buf[rc] = '\0'; | ||
3453 | |||
3454 | chptr = buf; | ||
3455 | while (*chptr) { | ||
3456 | end = strchr(chptr, '\n'); | ||
3457 | if (!end) break; | ||
3458 | *end = '\0'; | ||
3459 | |||
3460 | if (!strncmp(chptr, mdDev, strlen(mdDev)) && | ||
3461 | chptr[strlen(mdDev)] == ' ') { | ||
3462 | |||
3463 | /* found the device */ | ||
3464 | while (*chptr && *chptr != ':') chptr++; | ||
3465 | chptr++; | ||
3466 | while (*chptr && isspace(*chptr)) chptr++; | ||
3467 | |||
3468 | /* skip the "active" bit */ | ||
3469 | while (*chptr && !isspace(*chptr)) chptr++; | ||
3470 | while (*chptr && isspace(*chptr)) chptr++; | ||
3471 | |||
3472 | /* skip the raid level */ | ||
3473 | while (*chptr && !isspace(*chptr)) chptr++; | ||
3474 | while (*chptr && isspace(*chptr)) chptr++; | ||
3475 | |||
3476 | /* everything else is partition stuff */ | ||
3477 | while (*chptr) { | ||
3478 | chptr2 = chptr; | ||
3479 | while (*chptr2 && *chptr2 != '[') chptr2++; | ||
3480 | if (!*chptr2) break; | ||
3481 | |||
3482 | /* yank off the numbers at the end */ | ||
3483 | chptr2--; | ||
3484 | while (isdigit(*chptr2) && chptr2 > chptr) chptr2--; | ||
3485 | chptr2++; | ||
3486 | *chptr2 = '\0'; | ||
3487 | |||
3488 | /* Better, now we need the /dev/ back. We're done with | ||
3489 | * everything before this point, so we can just put | ||
3490 | * the /dev/ part there. There will always be room. */ | ||
3491 | memcpy(chptr - 5, "/dev/", 5); | ||
3492 | rc = checkDeviceBootloader(chptr - 5, boot); | ||
3493 | if (rc != 2) { | ||
3494 | return rc; | ||
3495 | } | ||
3496 | |||
3497 | chptr = chptr2 + 1; | ||
3498 | /* skip the [11] bit */ | ||
3499 | while (*chptr && !isspace(*chptr)) chptr++; | ||
3500 | /* and move to the next one */ | ||
3501 | while (*chptr && isspace(*chptr)) chptr++; | ||
3502 | } | ||
3503 | |||
3504 | /* we're good to go */ | ||
3505 | return 2; | ||
3506 | } | ||
3507 | |||
3508 | chptr = end + 1; | ||
3509 | } | ||
3510 | |||
3511 | fprintf(stderr, | ||
3512 | _("grubby: raid device /dev/%s not found in /proc/mdstat\n"), | ||
3513 | mdDev); | ||
3514 | return 0; | ||
3515 | } | ||
3516 | |||
3517 | int checkForLilo(struct grubConfig * config) { | ||
3518 | int fd; | ||
3519 | unsigned char boot[512]; | ||
3520 | struct singleLine * line; | ||
3521 | |||
3522 | for (line = config->theLines; line; line = line->next) | ||
3523 | if (line->type == LT_BOOT) break; | ||
3524 | |||
3525 | if (!line) { | ||
3526 | fprintf(stderr, | ||
3527 | _("grubby: no boot line found in lilo configuration\n")); | ||
3528 | return 1; | ||
3529 | } | ||
3530 | |||
3531 | if (line->numElements != 2) return 1; | ||
3532 | |||
3533 | fd = open("/boot/boot.b", O_RDONLY); | ||
3534 | if (fd < 0) { | ||
3535 | fprintf(stderr, _("grubby: unable to open %s: %s\n"), | ||
3536 | "/boot/boot.b", strerror(errno)); | ||
3537 | return 1; | ||
3538 | } | ||
3539 | |||
3540 | if (read(fd, boot, 512) != 512) { | ||
3541 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
3542 | "/boot/boot.b", strerror(errno)); | ||
3543 | return 1; | ||
3544 | } | ||
3545 | close(fd); | ||
3546 | |||
3547 | if (!strncmp("/dev/md", line->elements[1].item, 7)) | ||
3548 | return checkLiloOnRaid(line->elements[1].item, boot); | ||
3549 | |||
3550 | return checkDeviceBootloader(line->elements[1].item, boot); | ||
3551 | } | ||
3552 | |||
3553 | niro | 1696 | int checkForGrub2(struct grubConfig * config) { |
3554 | niro | 1714 | if (!access("/etc/grub.d/", R_OK)) |
3555 | niro | 1696 | return 2; |
3556 | |||
3557 | return 1; | ||
3558 | } | ||
3559 | |||
3560 | niro | 532 | int checkForGrub(struct grubConfig * config) { |
3561 | int fd; | ||
3562 | unsigned char bootSect[512]; | ||
3563 | char * boot; | ||
3564 | niro | 1851 | int onSuse = isSuseSystem(); |
3565 | niro | 532 | |
3566 | niro | 1851 | |
3567 | if (onSuse) { | ||
3568 | if (parseSuseGrubConf(NULL, &boot)) | ||
3569 | return 0; | ||
3570 | niro | 1850 | } else { |
3571 | niro | 1851 | if (parseSysconfigGrub(NULL, &boot)) |
3572 | return 0; | ||
3573 | niro | 1850 | } |
3574 | niro | 532 | |
3575 | /* assume grub is not installed -- not an error condition */ | ||
3576 | if (!boot) | ||
3577 | return 0; | ||
3578 | |||
3579 | fd = open("/boot/grub/stage1", O_RDONLY); | ||
3580 | if (fd < 0) | ||
3581 | /* this doesn't exist if grub hasn't been installed */ | ||
3582 | return 0; | ||
3583 | |||
3584 | if (read(fd, bootSect, 512) != 512) { | ||
3585 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
3586 | "/boot/grub/stage1", strerror(errno)); | ||
3587 | niro | 914 | close(fd); |
3588 | niro | 532 | return 1; |
3589 | } | ||
3590 | close(fd); | ||
3591 | |||
3592 | niro | 1851 | /* The more elaborate checks do not work on SuSE. The checks done |
3593 | * seem to be reasonble (at least for now), so just return success | ||
3594 | */ | ||
3595 | if (onSuse) | ||
3596 | niro | 1850 | return 2; |
3597 | niro | 1851 | |
3598 | return checkDeviceBootloader(boot, bootSect); | ||
3599 | niro | 532 | } |
3600 | |||
3601 | niro | 914 | int checkForExtLinux(struct grubConfig * config) { |
3602 | int fd; | ||
3603 | unsigned char bootSect[512]; | ||
3604 | char * boot; | ||
3605 | char executable[] = "/boot/extlinux/extlinux"; | ||
3606 | |||
3607 | printf("entered: checkForExtLinux()\n"); | ||
3608 | |||
3609 | if (parseSysconfigGrub(NULL, &boot)) | ||
3610 | return 0; | ||
3611 | |||
3612 | /* assume grub is not installed -- not an error condition */ | ||
3613 | if (!boot) | ||
3614 | return 0; | ||
3615 | |||
3616 | fd = open(executable, O_RDONLY); | ||
3617 | if (fd < 0) | ||
3618 | /* this doesn't exist if grub hasn't been installed */ | ||
3619 | return 0; | ||
3620 | |||
3621 | if (read(fd, bootSect, 512) != 512) { | ||
3622 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
3623 | executable, strerror(errno)); | ||
3624 | return 1; | ||
3625 | } | ||
3626 | close(fd); | ||
3627 | |||
3628 | return checkDeviceBootloader(boot, bootSect); | ||
3629 | } | ||
3630 | |||
3631 | niro | 1853 | int checkForYaboot(struct grubConfig * config) { |
3632 | /* | ||
3633 | * This is a simplistic check that we consider good enough for own puporses | ||
3634 | * | ||
3635 | * If we were to properly check if yaboot is *installed* we'd need to: | ||
3636 | * 1) get the system boot device (LT_BOOT) | ||
3637 | * 2) considering it's a raw filesystem, check if the yaboot binary matches | ||
3638 | * the content on the boot device | ||
3639 | * 3) if not, copy the binary to a temporary file and run "addnote" on it | ||
3640 | * 4) check again if binary and boot device contents match | ||
3641 | */ | ||
3642 | if (!access("/etc/yaboot.conf", R_OK)) | ||
3643 | return 2; | ||
3644 | |||
3645 | return 1; | ||
3646 | } | ||
3647 | |||
3648 | niro | 1854 | int checkForElilo(struct grubConfig * config) { |
3649 | if (!access("/etc/elilo.conf", R_OK)) | ||
3650 | return 2; | ||
3651 | |||
3652 | return 1; | ||
3653 | } | ||
3654 | |||
3655 | niro | 532 | static char * getRootSpecifier(char * str) { |
3656 | char * idx, * rootspec = NULL; | ||
3657 | |||
3658 | if (*str == '(') { | ||
3659 | idx = rootspec = strdup(str); | ||
3660 | while(*idx && (*idx != ')') && (!isspace(*idx))) idx++; | ||
3661 | *(++idx) = '\0'; | ||
3662 | } | ||
3663 | return rootspec; | ||
3664 | } | ||
3665 | |||
3666 | niro | 914 | static char * getInitrdVal(struct grubConfig * config, |
3667 | const char * prefix, struct singleLine *tmplLine, | ||
3668 | const char * newKernelInitrd, | ||
3669 | niro | 1844 | const char ** extraInitrds, int extraInitrdCount) |
3670 | niro | 914 | { |
3671 | char *initrdVal, *end; | ||
3672 | int i; | ||
3673 | size_t totalSize; | ||
3674 | size_t prefixLen; | ||
3675 | char separatorChar; | ||
3676 | |||
3677 | prefixLen = strlen(prefix); | ||
3678 | totalSize = strlen(newKernelInitrd) - prefixLen + 1 /* \0 */; | ||
3679 | |||
3680 | for (i = 0; i < extraInitrdCount; i++) { | ||
3681 | totalSize += sizeof(separatorChar); | ||
3682 | totalSize += strlen(extraInitrds[i]) - prefixLen; | ||
3683 | } | ||
3684 | |||
3685 | initrdVal = end = malloc(totalSize); | ||
3686 | |||
3687 | end = stpcpy (end, newKernelInitrd + prefixLen); | ||
3688 | |||
3689 | separatorChar = getKeywordByType(LT_INITRD, config->cfi)->separatorChar; | ||
3690 | for (i = 0; i < extraInitrdCount; i++) { | ||
3691 | const char *extraInitrd; | ||
3692 | int j; | ||
3693 | |||
3694 | extraInitrd = extraInitrds[i] + prefixLen; | ||
3695 | /* Don't add entries that are already there */ | ||
3696 | if (tmplLine != NULL) { | ||
3697 | for (j = 2; j < tmplLine->numElements; j++) | ||
3698 | if (strcmp(extraInitrd, tmplLine->elements[j].item) == 0) | ||
3699 | break; | ||
3700 | |||
3701 | if (j != tmplLine->numElements) | ||
3702 | continue; | ||
3703 | } | ||
3704 | |||
3705 | *end++ = separatorChar; | ||
3706 | end = stpcpy(end, extraInitrd); | ||
3707 | } | ||
3708 | |||
3709 | return initrdVal; | ||
3710 | } | ||
3711 | |||
3712 | niro | 532 | int addNewKernel(struct grubConfig * config, struct singleEntry * template, |
3713 | const char * prefix, | ||
3714 | niro | 1844 | const char * newKernelPath, const char * newKernelTitle, |
3715 | const char * newKernelArgs, const char * newKernelInitrd, | ||
3716 | const char ** extraInitrds, int extraInitrdCount, | ||
3717 | niro | 2685 | const char * newMBKernel, const char * newMBKernelArgs, |
3718 | const char * newDevTreePath) { | ||
3719 | niro | 532 | struct singleEntry * new; |
3720 | niro | 914 | struct singleLine * newLine = NULL, * tmplLine = NULL, * masterLine = NULL; |
3721 | niro | 532 | int needs; |
3722 | char * chptr; | ||
3723 | |||
3724 | if (!newKernelPath) return 0; | ||
3725 | |||
3726 | /* if the newKernelTitle is too long silently munge it into something | ||
3727 | * we can live with. truncating is first check, then we'll just mess with | ||
3728 | * it until it looks better */ | ||
3729 | if (config->cfi->maxTitleLength && | ||
3730 | (strlen(newKernelTitle) > config->cfi->maxTitleLength)) { | ||
3731 | char * buf = alloca(config->cfi->maxTitleLength + 7); | ||
3732 | char * numBuf = alloca(config->cfi->maxTitleLength + 1); | ||
3733 | int i = 1; | ||
3734 | |||
3735 | sprintf(buf, "TITLE=%.*s", config->cfi->maxTitleLength, newKernelTitle); | ||
3736 | while (findEntryByPath(config, buf, NULL, NULL)) { | ||
3737 | sprintf(numBuf, "%d", i++); | ||
3738 | strcpy(buf + strlen(buf) - strlen(numBuf), numBuf); | ||
3739 | } | ||
3740 | |||
3741 | newKernelTitle = buf + 6; | ||
3742 | } | ||
3743 | |||
3744 | new = malloc(sizeof(*new)); | ||
3745 | new->skip = 0; | ||
3746 | new->multiboot = 0; | ||
3747 | new->next = config->entries; | ||
3748 | new->lines = NULL; | ||
3749 | config->entries = new; | ||
3750 | |||
3751 | /* copy/update from the template */ | ||
3752 | niro | 914 | needs = NEED_KERNEL | NEED_TITLE; |
3753 | if (newKernelInitrd) | ||
3754 | needs |= NEED_INITRD; | ||
3755 | niro | 532 | if (newMBKernel) { |
3756 | niro | 914 | needs |= NEED_MB; |
3757 | niro | 532 | new->multiboot = 1; |
3758 | } | ||
3759 | niro | 2685 | if (newDevTreePath && getKeywordByType(LT_DEVTREE, config->cfi)) |
3760 | needs |= NEED_DEVTREE; | ||
3761 | niro | 532 | |
3762 | if (template) { | ||
3763 | niro | 914 | for (masterLine = template->lines; |
3764 | masterLine && (tmplLine = lineDup(masterLine)); | ||
3765 | lineFree(tmplLine), masterLine = masterLine->next) | ||
3766 | { | ||
3767 | dbgPrintf("addNewKernel processing %d\n", tmplLine->type); | ||
3768 | niro | 532 | |
3769 | /* skip comments */ | ||
3770 | chptr = tmplLine->indent; | ||
3771 | while (*chptr && isspace(*chptr)) chptr++; | ||
3772 | if (*chptr == '#') continue; | ||
3773 | |||
3774 | niro | 1940 | if (iskernel(tmplLine->type) && tmplLine->numElements >= 2) { |
3775 | niro | 914 | if (!template->multiboot && (needs & NEED_MB)) { |
3776 | /* it's not a multiboot template and this is the kernel | ||
3777 | * line. Try to be intelligent about inserting the | ||
3778 | * hypervisor at the same time. | ||
3779 | */ | ||
3780 | if (config->cfi->mbHyperFirst) { | ||
3781 | /* insert the hypervisor first */ | ||
3782 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
3783 | tmplLine->indent, | ||
3784 | newMBKernel + strlen(prefix)); | ||
3785 | /* set up for adding the kernel line */ | ||
3786 | free(tmplLine->indent); | ||
3787 | tmplLine->indent = strdup(config->secondaryIndent); | ||
3788 | needs &= ~NEED_MB; | ||
3789 | } | ||
3790 | if (needs & NEED_KERNEL) { | ||
3791 | /* use addLineTmpl to preserve line elements, | ||
3792 | * otherwise we could just call addLine. Unfortunately | ||
3793 | * this means making some changes to the template | ||
3794 | * such as the indent change above and the type | ||
3795 | * change below. | ||
3796 | */ | ||
3797 | struct keywordTypes * mbm_kw = | ||
3798 | getKeywordByType(LT_MBMODULE, config->cfi); | ||
3799 | if (mbm_kw) { | ||
3800 | tmplLine->type = LT_MBMODULE; | ||
3801 | free(tmplLine->elements[0].item); | ||
3802 | tmplLine->elements[0].item = strdup(mbm_kw->key); | ||
3803 | } | ||
3804 | newLine = addLineTmpl(new, tmplLine, newLine, | ||
3805 | newKernelPath + strlen(prefix), config->cfi); | ||
3806 | needs &= ~NEED_KERNEL; | ||
3807 | } | ||
3808 | if (needs & NEED_MB) { /* !mbHyperFirst */ | ||
3809 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
3810 | config->secondaryIndent, | ||
3811 | newMBKernel + strlen(prefix)); | ||
3812 | needs &= ~NEED_MB; | ||
3813 | } | ||
3814 | } else if (needs & NEED_KERNEL) { | ||
3815 | newLine = addLineTmpl(new, tmplLine, newLine, | ||
3816 | newKernelPath + strlen(prefix), config->cfi); | ||
3817 | needs &= ~NEED_KERNEL; | ||
3818 | } | ||
3819 | niro | 532 | |
3820 | niro | 914 | } else if (tmplLine->type == LT_HYPER && |
3821 | tmplLine->numElements >= 2) { | ||
3822 | if (needs & NEED_MB) { | ||
3823 | newLine = addLineTmpl(new, tmplLine, newLine, | ||
3824 | newMBKernel + strlen(prefix), config->cfi); | ||
3825 | needs &= ~NEED_MB; | ||
3826 | } | ||
3827 | niro | 532 | |
3828 | niro | 914 | } else if (tmplLine->type == LT_MBMODULE && |
3829 | tmplLine->numElements >= 2) { | ||
3830 | if (new->multiboot) { | ||
3831 | if (needs & NEED_KERNEL) { | ||
3832 | newLine = addLineTmpl(new, tmplLine, newLine, | ||
3833 | newKernelPath + | ||
3834 | strlen(prefix), config->cfi); | ||
3835 | needs &= ~NEED_KERNEL; | ||
3836 | } else if (config->cfi->mbInitRdIsModule && | ||
3837 | (needs & NEED_INITRD)) { | ||
3838 | char *initrdVal; | ||
3839 | initrdVal = getInitrdVal(config, prefix, tmplLine, | ||
3840 | newKernelInitrd, extraInitrds, | ||
3841 | extraInitrdCount); | ||
3842 | newLine = addLineTmpl(new, tmplLine, newLine, | ||
3843 | initrdVal, config->cfi); | ||
3844 | free(initrdVal); | ||
3845 | needs &= ~NEED_INITRD; | ||
3846 | } | ||
3847 | } else if (needs & NEED_KERNEL) { | ||
3848 | /* template is multi but new is not, | ||
3849 | * insert the kernel in the first module slot | ||
3850 | */ | ||
3851 | niro | 1940 | tmplLine->type = preferredLineType(LT_KERNEL, config->cfi); |
3852 | niro | 914 | free(tmplLine->elements[0].item); |
3853 | tmplLine->elements[0].item = | ||
3854 | niro | 1940 | strdup(getKeywordByType(tmplLine->type, |
3855 | config->cfi)->key); | ||
3856 | niro | 914 | newLine = addLineTmpl(new, tmplLine, newLine, |
3857 | niro | 1940 | newKernelPath + strlen(prefix), |
3858 | config->cfi); | ||
3859 | niro | 914 | needs &= ~NEED_KERNEL; |
3860 | } else if (needs & NEED_INITRD) { | ||
3861 | char *initrdVal; | ||
3862 | /* template is multi but new is not, | ||
3863 | * insert the initrd in the second module slot | ||
3864 | */ | ||
3865 | niro | 1940 | tmplLine->type = preferredLineType(LT_INITRD, config->cfi); |
3866 | niro | 914 | free(tmplLine->elements[0].item); |
3867 | tmplLine->elements[0].item = | ||
3868 | niro | 1940 | strdup(getKeywordByType(tmplLine->type, |
3869 | config->cfi)->key); | ||
3870 | niro | 914 | initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount); |
3871 | newLine = addLineTmpl(new, tmplLine, newLine, initrdVal, config->cfi); | ||
3872 | free(initrdVal); | ||
3873 | needs &= ~NEED_INITRD; | ||
3874 | } | ||
3875 | niro | 532 | |
3876 | niro | 1940 | } else if (isinitrd(tmplLine->type) && tmplLine->numElements >= 2) { |
3877 | niro | 914 | if (needs & NEED_INITRD && |
3878 | new->multiboot && !template->multiboot && | ||
3879 | config->cfi->mbInitRdIsModule) { | ||
3880 | /* make sure we don't insert the module initrd | ||
3881 | * before the module kernel... if we don't do it here, | ||
3882 | * it will be inserted following the template. | ||
3883 | */ | ||
3884 | if (!needs & NEED_KERNEL) { | ||
3885 | char *initrdVal; | ||
3886 | |||
3887 | initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount); | ||
3888 | newLine = addLine(new, config->cfi, LT_MBMODULE, | ||
3889 | config->secondaryIndent, | ||
3890 | initrdVal); | ||
3891 | free(initrdVal); | ||
3892 | needs &= ~NEED_INITRD; | ||
3893 | } | ||
3894 | } else if (needs & NEED_INITRD) { | ||
3895 | char *initrdVal; | ||
3896 | initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount); | ||
3897 | newLine = addLineTmpl(new, tmplLine, newLine, initrdVal, config->cfi); | ||
3898 | free(initrdVal); | ||
3899 | needs &= ~NEED_INITRD; | ||
3900 | niro | 532 | } |
3901 | |||
3902 | niro | 1696 | } else if (tmplLine->type == LT_MENUENTRY && |
3903 | (needs & NEED_TITLE)) { | ||
3904 | requote(tmplLine, config->cfi); | ||
3905 | char *nkt = malloc(strlen(newKernelTitle)+3); | ||
3906 | strcpy(nkt, "'"); | ||
3907 | strcat(nkt, newKernelTitle); | ||
3908 | strcat(nkt, "'"); | ||
3909 | newLine = addLineTmpl(new, tmplLine, newLine, nkt, config->cfi); | ||
3910 | free(nkt); | ||
3911 | needs &= ~NEED_TITLE; | ||
3912 | niro | 532 | } else if (tmplLine->type == LT_TITLE && |
3913 | niro | 914 | (needs & NEED_TITLE)) { |
3914 | if (tmplLine->numElements >= 2) { | ||
3915 | newLine = addLineTmpl(new, tmplLine, newLine, | ||
3916 | newKernelTitle, config->cfi); | ||
3917 | needs &= ~NEED_TITLE; | ||
3918 | } else if (tmplLine->numElements == 1 && | ||
3919 | config->cfi->titleBracketed) { | ||
3920 | /* addLineTmpl doesn't handle titleBracketed */ | ||
3921 | newLine = addLine(new, config->cfi, LT_TITLE, | ||
3922 | tmplLine->indent, newKernelTitle); | ||
3923 | needs &= ~NEED_TITLE; | ||
3924 | } | ||
3925 | niro | 1696 | } else if (tmplLine->type == LT_ECHO) { |
3926 | requote(tmplLine, config->cfi); | ||
3927 | niro | 1722 | static const char *prefix = "'Loading "; |
3928 | niro | 1696 | if (tmplLine->numElements > 1 && |
3929 | niro | 1722 | strstr(tmplLine->elements[1].item, prefix) && |
3930 | niro | 1940 | masterLine->next && |
3931 | iskernel(masterLine->next->type)) { | ||
3932 | niro | 1696 | char *newTitle = malloc(strlen(prefix) + |
3933 | strlen(newKernelTitle) + 2); | ||
3934 | niro | 532 | |
3935 | niro | 1696 | strcpy(newTitle, prefix); |
3936 | strcat(newTitle, newKernelTitle); | ||
3937 | strcat(newTitle, "'"); | ||
3938 | newLine = addLine(new, config->cfi, LT_ECHO, | ||
3939 | tmplLine->indent, newTitle); | ||
3940 | free(newTitle); | ||
3941 | } else { | ||
3942 | /* pass through other lines from the template */ | ||
3943 | newLine = addLineTmpl(new, tmplLine, newLine, NULL, | ||
3944 | config->cfi); | ||
3945 | } | ||
3946 | niro | 2685 | } else if (tmplLine->type == LT_DEVTREE && |
3947 | tmplLine->numElements == 2 && newDevTreePath) { | ||
3948 | newLine = addLineTmpl(new, tmplLine, newLine, | ||
3949 | newDevTreePath + strlen(prefix), | ||
3950 | config->cfi); | ||
3951 | needs &= ~NEED_DEVTREE; | ||
3952 | } else if (tmplLine->type == LT_ENTRY_END && needs & NEED_DEVTREE) { | ||
3953 | const char *ndtp = newDevTreePath; | ||
3954 | if (!strncmp(newDevTreePath, prefix, strlen(prefix))) | ||
3955 | ndtp += strlen(prefix); | ||
3956 | newLine = addLine(new, config->cfi, LT_DEVTREE, | ||
3957 | config->secondaryIndent, | ||
3958 | ndtp); | ||
3959 | needs &= ~NEED_DEVTREE; | ||
3960 | newLine = addLineTmpl(new, tmplLine, newLine, NULL, config->cfi); | ||
3961 | niro | 914 | } else { |
3962 | /* pass through other lines from the template */ | ||
3963 | newLine = addLineTmpl(new, tmplLine, newLine, NULL, config->cfi); | ||
3964 | } | ||
3965 | niro | 532 | } |
3966 | niro | 914 | |
3967 | niro | 532 | } else { |
3968 | niro | 914 | /* don't have a template, so start the entry with the |
3969 | * appropriate starting line | ||
3970 | */ | ||
3971 | niro | 1693 | switch (config->cfi->entryStart) { |
3972 | niro | 914 | case LT_KERNEL: |
3973 | niro | 1940 | case LT_KERNEL_EFI: |
3974 | niro | 2683 | case LT_KERNEL_16: |
3975 | niro | 914 | if (new->multiboot && config->cfi->mbHyperFirst) { |
3976 | /* fall through to LT_HYPER */ | ||
3977 | } else { | ||
3978 | niro | 1940 | newLine = addLine(new, config->cfi, |
3979 | preferredLineType(LT_KERNEL, config->cfi), | ||
3980 | niro | 914 | config->primaryIndent, |
3981 | newKernelPath + strlen(prefix)); | ||
3982 | needs &= ~NEED_KERNEL; | ||
3983 | break; | ||
3984 | } | ||
3985 | |||
3986 | case LT_HYPER: | ||
3987 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
3988 | config->primaryIndent, | ||
3989 | newMBKernel + strlen(prefix)); | ||
3990 | needs &= ~NEED_MB; | ||
3991 | niro | 532 | break; |
3992 | |||
3993 | niro | 1696 | case LT_MENUENTRY: { |
3994 | char *nkt = malloc(strlen(newKernelTitle)+3); | ||
3995 | strcpy(nkt, "'"); | ||
3996 | strcat(nkt, newKernelTitle); | ||
3997 | strcat(nkt, "'"); | ||
3998 | newLine = addLine(new, config->cfi, LT_MENUENTRY, | ||
3999 | config->primaryIndent, nkt); | ||
4000 | free(nkt); | ||
4001 | needs &= ~NEED_TITLE; | ||
4002 | needs |= NEED_END; | ||
4003 | break; | ||
4004 | } | ||
4005 | niro | 914 | case LT_TITLE: |
4006 | if( useextlinuxmenu != 0 ){ // We just need useextlinuxmenu to not be zero (set above) | ||
4007 | char * templabel; | ||
4008 | int x = 0, y = 0; | ||
4009 | |||
4010 | templabel = strdup(newKernelTitle); | ||
4011 | while( templabel[x]){ | ||
4012 | if( templabel[x] == ' ' ){ | ||
4013 | y = x; | ||
4014 | while( templabel[y] ){ | ||
4015 | templabel[y] = templabel[y+1]; | ||
4016 | y++; | ||
4017 | } | ||
4018 | } | ||
4019 | x++; | ||
4020 | } | ||
4021 | newLine = addLine(new, config->cfi, LT_TITLE, | ||
4022 | config->primaryIndent, templabel); | ||
4023 | free(templabel); | ||
4024 | }else{ | ||
4025 | newLine = addLine(new, config->cfi, LT_TITLE, | ||
4026 | config->primaryIndent, newKernelTitle); | ||
4027 | } | ||
4028 | needs &= ~NEED_TITLE; | ||
4029 | break; | ||
4030 | |||
4031 | default: | ||
4032 | abort(); | ||
4033 | niro | 532 | } |
4034 | } | ||
4035 | |||
4036 | niro | 914 | /* add the remainder of the lines, i.e. those that either |
4037 | * weren't present in the template, or in the case of no template, | ||
4038 | niro | 1693 | * all the lines following the entryStart. |
4039 | niro | 914 | */ |
4040 | if (needs & NEED_TITLE) { | ||
4041 | newLine = addLine(new, config->cfi, LT_TITLE, | ||
4042 | config->secondaryIndent, | ||
4043 | newKernelTitle); | ||
4044 | needs &= ~NEED_TITLE; | ||
4045 | niro | 532 | } |
4046 | niro | 914 | if ((needs & NEED_MB) && config->cfi->mbHyperFirst) { |
4047 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
4048 | config->secondaryIndent, | ||
4049 | newMBKernel + strlen(prefix)); | ||
4050 | needs &= ~NEED_MB; | ||
4051 | } | ||
4052 | if (needs & NEED_KERNEL) { | ||
4053 | newLine = addLine(new, config->cfi, | ||
4054 | (new->multiboot && getKeywordByType(LT_MBMODULE, | ||
4055 | niro | 1940 | config->cfi)) |
4056 | ? LT_MBMODULE | ||
4057 | : preferredLineType(LT_KERNEL, config->cfi), | ||
4058 | niro | 914 | config->secondaryIndent, |
4059 | newKernelPath + strlen(prefix)); | ||
4060 | needs &= ~NEED_KERNEL; | ||
4061 | } | ||
4062 | if (needs & NEED_MB) { | ||
4063 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
4064 | config->secondaryIndent, | ||
4065 | newMBKernel + strlen(prefix)); | ||
4066 | needs &= ~NEED_MB; | ||
4067 | } | ||
4068 | if (needs & NEED_INITRD) { | ||
4069 | char *initrdVal; | ||
4070 | initrdVal = getInitrdVal(config, prefix, NULL, newKernelInitrd, extraInitrds, extraInitrdCount); | ||
4071 | newLine = addLine(new, config->cfi, | ||
4072 | (new->multiboot && getKeywordByType(LT_MBMODULE, | ||
4073 | niro | 1940 | config->cfi)) |
4074 | ? LT_MBMODULE | ||
4075 | : preferredLineType(LT_INITRD, config->cfi), | ||
4076 | niro | 914 | config->secondaryIndent, |
4077 | initrdVal); | ||
4078 | free(initrdVal); | ||
4079 | needs &= ~NEED_INITRD; | ||
4080 | } | ||
4081 | niro | 2685 | if (needs & NEED_DEVTREE) { |
4082 | newLine = addLine(new, config->cfi, LT_DEVTREE, | ||
4083 | config->secondaryIndent, | ||
4084 | newDevTreePath); | ||
4085 | needs &= ~NEED_DEVTREE; | ||
4086 | } | ||
4087 | |||
4088 | /* NEEDS_END must be last on bootloaders that need it... */ | ||
4089 | niro | 1696 | if (needs & NEED_END) { |
4090 | newLine = addLine(new, config->cfi, LT_ENTRY_END, | ||
4091 | config->secondaryIndent, NULL); | ||
4092 | needs &= ~NEED_END; | ||
4093 | } | ||
4094 | niro | 914 | if (needs) { |
4095 | printf(_("grubby: needs=%d, aborting\n"), needs); | ||
4096 | abort(); | ||
4097 | } | ||
4098 | |||
4099 | niro | 532 | if (updateImage(config, "0", prefix, newKernelArgs, NULL, |
4100 | newMBKernelArgs, NULL)) return 1; | ||
4101 | |||
4102 | return 0; | ||
4103 | } | ||
4104 | |||
4105 | niro | 914 | static void traceback(int signum) |
4106 | { | ||
4107 | void *array[40]; | ||
4108 | size_t size; | ||
4109 | |||
4110 | signal(SIGSEGV, SIG_DFL); | ||
4111 | memset(array, '\0', sizeof (array)); | ||
4112 | size = backtrace(array, 40); | ||
4113 | |||
4114 | niro | 2058 | fprintf(stderr, "grubby received SIGSEGV! Backtrace (%ld):\n", |
4115 | niro | 914 | (unsigned long)size); |
4116 | backtrace_symbols_fd(array, size, STDERR_FILENO); | ||
4117 | exit(1); | ||
4118 | } | ||
4119 | |||
4120 | niro | 532 | int main(int argc, const char ** argv) { |
4121 | poptContext optCon; | ||
4122 | niro | 1696 | const char * grubConfig = NULL; |
4123 | niro | 532 | char * outputFile = NULL; |
4124 | int arg = 0; | ||
4125 | int flags = 0; | ||
4126 | int badImageOkay = 0; | ||
4127 | niro | 1696 | int configureGrub2 = 0; |
4128 | niro | 532 | int configureLilo = 0, configureELilo = 0, configureGrub = 0; |
4129 | int configureYaboot = 0, configureSilo = 0, configureZipl = 0; | ||
4130 | niro | 914 | int configureExtLinux = 0; |
4131 | niro | 532 | int bootloaderProbe = 0; |
4132 | niro | 914 | int extraInitrdCount = 0; |
4133 | niro | 532 | char * updateKernelPath = NULL; |
4134 | char * newKernelPath = NULL; | ||
4135 | char * removeKernelPath = NULL; | ||
4136 | char * newKernelArgs = NULL; | ||
4137 | char * newKernelInitrd = NULL; | ||
4138 | char * newKernelTitle = NULL; | ||
4139 | niro | 2685 | char * newDevTreePath = NULL; |
4140 | niro | 532 | char * newMBKernel = NULL; |
4141 | char * newMBKernelArgs = NULL; | ||
4142 | char * removeMBKernelArgs = NULL; | ||
4143 | char * removeMBKernel = NULL; | ||
4144 | char * bootPrefix = NULL; | ||
4145 | char * defaultKernel = NULL; | ||
4146 | char * removeArgs = NULL; | ||
4147 | char * kernelInfo = NULL; | ||
4148 | niro | 914 | char * extraInitrds[MAX_EXTRA_INITRDS] = { NULL }; |
4149 | niro | 2252 | char * envPath = NULL; |
4150 | niro | 532 | const char * chptr = NULL; |
4151 | struct configFileInfo * cfi = NULL; | ||
4152 | struct grubConfig * config; | ||
4153 | struct singleEntry * template = NULL; | ||
4154 | int copyDefault = 0, makeDefault = 0; | ||
4155 | int displayDefault = 0; | ||
4156 | niro | 1720 | int displayDefaultIndex = 0; |
4157 | niro | 1721 | int displayDefaultTitle = 0; |
4158 | niro | 1859 | int defaultIndex = -1; |
4159 | niro | 532 | struct poptOption options[] = { |
4160 | { "add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0, | ||
4161 | _("add an entry for the specified kernel"), _("kernel-path") }, | ||
4162 | { "add-multiboot", 0, POPT_ARG_STRING, &newMBKernel, 0, | ||
4163 | _("add an entry for the specified multiboot kernel"), NULL }, | ||
4164 | { "args", 0, POPT_ARG_STRING, &newKernelArgs, 0, | ||
4165 | _("default arguments for the new kernel or new arguments for " | ||
4166 | "kernel being updated"), _("args") }, | ||
4167 | { "mbargs", 0, POPT_ARG_STRING, &newMBKernelArgs, 0, | ||
4168 | _("default arguments for the new multiboot kernel or " | ||
4169 | "new arguments for multiboot kernel being updated"), NULL }, | ||
4170 | { "bad-image-okay", 0, 0, &badImageOkay, 0, | ||
4171 | _("don't sanity check images in boot entries (for testing only)"), | ||
4172 | NULL }, | ||
4173 | { "boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0, | ||
4174 | _("filestystem which contains /boot directory (for testing only)"), | ||
4175 | _("bootfs") }, | ||
4176 | niro | 1854 | #if defined(__i386__) || defined(__x86_64__) || defined (__powerpc64__) || defined (__ia64__) |
4177 | niro | 532 | { "bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0, |
4178 | niro | 1853 | _("check which bootloader is installed on boot sector") }, |
4179 | niro | 532 | #endif |
4180 | { "config-file", 'c', POPT_ARG_STRING, &grubConfig, 0, | ||
4181 | _("path to grub config file to update (\"-\" for stdin)"), | ||
4182 | _("path") }, | ||
4183 | { "copy-default", 0, 0, ©Default, 0, | ||
4184 | _("use the default boot entry as a template for the new entry " | ||
4185 | "being added; if the default is not a linux image, or if " | ||
4186 | "the kernel referenced by the default image does not exist, " | ||
4187 | "the first linux entry whose kernel does exist is used as the " | ||
4188 | "template"), NULL }, | ||
4189 | niro | 1736 | { "debug", 0, 0, &debug, 0, |
4190 | _("print debugging information for failures") }, | ||
4191 | niro | 532 | { "default-kernel", 0, 0, &displayDefault, 0, |
4192 | _("display the path of the default kernel") }, | ||
4193 | niro | 1720 | { "default-index", 0, 0, &displayDefaultIndex, 0, |
4194 | _("display the index of the default kernel") }, | ||
4195 | niro | 1721 | { "default-title", 0, 0, &displayDefaultTitle, 0, |
4196 | _("display the title of the default kernel") }, | ||
4197 | niro | 2685 | { "devtree", 0, POPT_ARG_STRING, &newDevTreePath, 0, |
4198 | _("device tree file for new stanza"), _("dtb-path") }, | ||
4199 | niro | 532 | { "elilo", 0, POPT_ARG_NONE, &configureELilo, 0, |
4200 | _("configure elilo bootloader") }, | ||
4201 | niro | 1940 | { "efi", 0, POPT_ARG_NONE, &isEfi, 0, |
4202 | _("force grub2 stanzas to use efi") }, | ||
4203 | niro | 2252 | { "env", 0, POPT_ARG_STRING, &envPath, 0, |
4204 | _("path for environment data"), | ||
4205 | _("path") }, | ||
4206 | niro | 914 | { "extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0, |
4207 | _("configure extlinux bootloader (from syslinux)") }, | ||
4208 | niro | 532 | { "grub", 0, POPT_ARG_NONE, &configureGrub, 0, |
4209 | _("configure grub bootloader") }, | ||
4210 | niro | 1696 | { "grub2", 0, POPT_ARG_NONE, &configureGrub2, 0, |
4211 | _("configure grub2 bootloader") }, | ||
4212 | niro | 532 | { "info", 0, POPT_ARG_STRING, &kernelInfo, 0, |
4213 | _("display boot information for specified kernel"), | ||
4214 | _("kernel-path") }, | ||
4215 | { "initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0, | ||
4216 | _("initrd image for the new kernel"), _("initrd-path") }, | ||
4217 | niro | 914 | { "extra-initrd", 'i', POPT_ARG_STRING, NULL, 'i', |
4218 | niro | 2058 | _("auxiliary initrd image for things other than the new kernel"), _("initrd-path") }, |
4219 | niro | 532 | { "lilo", 0, POPT_ARG_NONE, &configureLilo, 0, |
4220 | _("configure lilo bootloader") }, | ||
4221 | { "make-default", 0, 0, &makeDefault, 0, | ||
4222 | _("make the newly added entry the default boot entry"), NULL }, | ||
4223 | { "output-file", 'o', POPT_ARG_STRING, &outputFile, 0, | ||
4224 | _("path to output updated config file (\"-\" for stdout)"), | ||
4225 | _("path") }, | ||
4226 | { "remove-args", 0, POPT_ARG_STRING, &removeArgs, 0, | ||
4227 | _("remove kernel arguments"), NULL }, | ||
4228 | { "remove-mbargs", 0, POPT_ARG_STRING, &removeMBKernelArgs, 0, | ||
4229 | _("remove multiboot kernel arguments"), NULL }, | ||
4230 | { "remove-kernel", 0, POPT_ARG_STRING, &removeKernelPath, 0, | ||
4231 | _("remove all entries for the specified kernel"), | ||
4232 | _("kernel-path") }, | ||
4233 | { "remove-multiboot", 0, POPT_ARG_STRING, &removeMBKernel, 0, | ||
4234 | _("remove all entries for the specified multiboot kernel"), NULL }, | ||
4235 | { "set-default", 0, POPT_ARG_STRING, &defaultKernel, 0, | ||
4236 | _("make the first entry referencing the specified kernel " | ||
4237 | "the default"), _("kernel-path") }, | ||
4238 | niro | 1859 | { "set-default-index", 0, POPT_ARG_INT, &defaultIndex, 0, |
4239 | _("make the given entry index the default entry"), | ||
4240 | _("entry-index") }, | ||
4241 | niro | 532 | { "silo", 0, POPT_ARG_NONE, &configureSilo, 0, |
4242 | _("configure silo bootloader") }, | ||
4243 | { "title", 0, POPT_ARG_STRING, &newKernelTitle, 0, | ||
4244 | _("title to use for the new kernel entry"), _("entry-title") }, | ||
4245 | { "update-kernel", 0, POPT_ARG_STRING, &updateKernelPath, 0, | ||
4246 | _("updated information for the specified kernel"), | ||
4247 | _("kernel-path") }, | ||
4248 | { "version", 'v', 0, NULL, 'v', | ||
4249 | _("print the version of this program and exit"), NULL }, | ||
4250 | { "yaboot", 0, POPT_ARG_NONE, &configureYaboot, 0, | ||
4251 | _("configure yaboot bootloader") }, | ||
4252 | { "zipl", 0, POPT_ARG_NONE, &configureZipl, 0, | ||
4253 | _("configure zipl bootloader") }, | ||
4254 | POPT_AUTOHELP | ||
4255 | { 0, 0, 0, 0, 0 } | ||
4256 | }; | ||
4257 | |||
4258 | niro | 914 | useextlinuxmenu=0; |
4259 | |||
4260 | signal(SIGSEGV, traceback); | ||
4261 | |||
4262 | niro | 2236 | int i = 0; |
4263 | for (int j = 1; j < argc; j++) | ||
4264 | i += strlen(argv[j]) + 1; | ||
4265 | saved_command_line = malloc(i); | ||
4266 | if (!saved_command_line) { | ||
4267 | fprintf(stderr, "grubby: %m\n"); | ||
4268 | exit(1); | ||
4269 | } | ||
4270 | saved_command_line[0] = '\0'; | ||
4271 | for (int j = 1; j < argc; j++) { | ||
4272 | strcat(saved_command_line, argv[j]); | ||
4273 | strncat(saved_command_line, j == argc -1 ? "" : " ", 1); | ||
4274 | } | ||
4275 | |||
4276 | niro | 532 | optCon = poptGetContext("grubby", argc, argv, options, 0); |
4277 | poptReadDefaultConfig(optCon, 1); | ||
4278 | |||
4279 | while ((arg = poptGetNextOpt(optCon)) >= 0) { | ||
4280 | switch (arg) { | ||
4281 | case 'v': | ||
4282 | printf("grubby version %s\n", VERSION); | ||
4283 | exit(0); | ||
4284 | break; | ||
4285 | niro | 914 | case 'i': |
4286 | if (extraInitrdCount < MAX_EXTRA_INITRDS) { | ||
4287 | extraInitrds[extraInitrdCount++] = strdup(poptGetOptArg(optCon)); | ||
4288 | } else { | ||
4289 | fprintf(stderr, _("grubby: extra initrd maximum is %d\n"), extraInitrdCount); | ||
4290 | return 1; | ||
4291 | } | ||
4292 | break; | ||
4293 | niro | 532 | } |
4294 | } | ||
4295 | |||
4296 | if (arg < -1) { | ||
4297 | fprintf(stderr, _("grubby: bad argument %s: %s\n"), | ||
4298 | poptBadOption(optCon, POPT_BADOPTION_NOALIAS), | ||
4299 | poptStrerror(arg)); | ||
4300 | return 1; | ||
4301 | } | ||
4302 | |||
4303 | if ((chptr = poptGetArg(optCon))) { | ||
4304 | fprintf(stderr, _("grubby: unexpected argument %s\n"), chptr); | ||
4305 | return 1; | ||
4306 | } | ||
4307 | |||
4308 | niro | 1696 | if ((configureLilo + configureGrub2 + configureGrub + configureELilo + |
4309 | niro | 914 | configureYaboot + configureSilo + configureZipl + |
4310 | configureExtLinux ) > 1) { | ||
4311 | niro | 532 | fprintf(stderr, _("grubby: cannot specify multiple bootloaders\n")); |
4312 | return 1; | ||
4313 | } else if (bootloaderProbe && grubConfig) { | ||
4314 | fprintf(stderr, | ||
4315 | _("grubby: cannot specify config file with --bootloader-probe\n")); | ||
4316 | return 1; | ||
4317 | niro | 1696 | } else if (configureGrub2) { |
4318 | cfi = &grub2ConfigType; | ||
4319 | niro | 2252 | if (envPath) |
4320 | cfi->envFile = envPath; | ||
4321 | niro | 532 | } else if (configureLilo) { |
4322 | cfi = &liloConfigType; | ||
4323 | } else if (configureGrub) { | ||
4324 | cfi = &grubConfigType; | ||
4325 | } else if (configureELilo) { | ||
4326 | cfi = &eliloConfigType; | ||
4327 | } else if (configureYaboot) { | ||
4328 | cfi = &yabootConfigType; | ||
4329 | } else if (configureSilo) { | ||
4330 | cfi = &siloConfigType; | ||
4331 | } else if (configureZipl) { | ||
4332 | cfi = &ziplConfigType; | ||
4333 | niro | 914 | } else if (configureExtLinux) { |
4334 | cfi = &extlinuxConfigType; | ||
4335 | useextlinuxmenu=1; | ||
4336 | niro | 532 | } |
4337 | |||
4338 | if (!cfi) { | ||
4339 | niro | 1802 | if (grub2FindConfig(&grub2ConfigType)) |
4340 | cfi = &grub2ConfigType; | ||
4341 | else | ||
4342 | niro | 532 | #ifdef __ia64__ |
4343 | niro | 1802 | cfi = &eliloConfigType; |
4344 | niro | 532 | #elif __powerpc__ |
4345 | niro | 1802 | cfi = &yabootConfigType; |
4346 | niro | 532 | #elif __sparc__ |
4347 | niro | 1802 | cfi = &siloConfigType; |
4348 | niro | 532 | #elif __s390__ |
4349 | niro | 1802 | cfi = &ziplConfigType; |
4350 | niro | 532 | #elif __s390x__ |
4351 | niro | 1802 | cfi = &ziplConfigtype; |
4352 | niro | 532 | #else |
4353 | niro | 1696 | cfi = &grubConfigType; |
4354 | niro | 532 | #endif |
4355 | } | ||
4356 | |||
4357 | niro | 1696 | if (!grubConfig) { |
4358 | if (cfi->findConfig) | ||
4359 | grubConfig = cfi->findConfig(cfi); | ||
4360 | if (!grubConfig) | ||
4361 | grubConfig = cfi->defaultConfig; | ||
4362 | } | ||
4363 | niro | 532 | |
4364 | niro | 2685 | if (bootloaderProbe && (displayDefault || kernelInfo || |
4365 | niro | 1859 | newKernelPath || removeKernelPath || makeDefault || |
4366 | defaultKernel || displayDefaultIndex || displayDefaultTitle || | ||
4367 | (defaultIndex >= 0))) { | ||
4368 | niro | 532 | fprintf(stderr, _("grubby: --bootloader-probe may not be used with " |
4369 | "specified option")); | ||
4370 | return 1; | ||
4371 | } | ||
4372 | |||
4373 | niro | 2685 | if ((displayDefault || kernelInfo) && (newKernelPath || |
4374 | niro | 532 | removeKernelPath)) { |
4375 | fprintf(stderr, _("grubby: --default-kernel and --info may not " | ||
4376 | "be used when adding or removing kernels\n")); | ||
4377 | return 1; | ||
4378 | } | ||
4379 | |||
4380 | if (newKernelPath && !newKernelTitle) { | ||
4381 | fprintf(stderr, _("grubby: kernel title must be specified\n")); | ||
4382 | return 1; | ||
4383 | niro | 1156 | } else if (!newKernelPath && (newKernelTitle || copyDefault || |
4384 | (newKernelInitrd && !updateKernelPath)|| | ||
4385 | niro | 914 | makeDefault || extraInitrdCount > 0)) { |
4386 | niro | 532 | fprintf(stderr, _("grubby: kernel path expected\n")); |
4387 | return 1; | ||
4388 | } | ||
4389 | |||
4390 | if (newKernelPath && updateKernelPath) { | ||
4391 | fprintf(stderr, _("grubby: --add-kernel and --update-kernel may" | ||
4392 | "not be used together")); | ||
4393 | return 1; | ||
4394 | } | ||
4395 | |||
4396 | if (makeDefault && defaultKernel) { | ||
4397 | fprintf(stderr, _("grubby: --make-default and --default-kernel " | ||
4398 | "may not be used together\n")); | ||
4399 | return 1; | ||
4400 | } else if (defaultKernel && removeKernelPath && | ||
4401 | !strcmp(defaultKernel, removeKernelPath)) { | ||
4402 | fprintf(stderr, _("grubby: cannot make removed kernel the default\n")); | ||
4403 | return 1; | ||
4404 | } else if (defaultKernel && newKernelPath && | ||
4405 | !strcmp(defaultKernel, newKernelPath)) { | ||
4406 | makeDefault = 1; | ||
4407 | defaultKernel = NULL; | ||
4408 | } | ||
4409 | niro | 1859 | else if (defaultKernel && (defaultIndex >= 0)) { |
4410 | fprintf(stderr, _("grubby: --set-default and --set-default-index " | ||
4411 | "may not be used together\n")); | ||
4412 | return 1; | ||
4413 | } | ||
4414 | niro | 532 | |
4415 | niro | 1717 | if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) { |
4416 | niro | 532 | fprintf(stderr, _("grubby: output file must be specified if stdin " |
4417 | "is used\n")); | ||
4418 | return 1; | ||
4419 | } | ||
4420 | |||
4421 | if (!removeKernelPath && !newKernelPath && !displayDefault && !defaultKernel | ||
4422 | niro | 1859 | && !kernelInfo && !bootloaderProbe && !updateKernelPath |
4423 | && !removeMBKernel && !displayDefaultIndex && !displayDefaultTitle | ||
4424 | && (defaultIndex == -1)) { | ||
4425 | niro | 532 | fprintf(stderr, _("grubby: no action specified\n")); |
4426 | return 1; | ||
4427 | } | ||
4428 | |||
4429 | flags |= badImageOkay ? GRUBBY_BADIMAGE_OKAY : 0; | ||
4430 | |||
4431 | if (cfi->needsBootPrefix) { | ||
4432 | if (!bootPrefix) { | ||
4433 | bootPrefix = findBootPrefix(); | ||
4434 | if (!bootPrefix) return 1; | ||
4435 | } else { | ||
4436 | /* this shouldn't end with a / */ | ||
4437 | if (bootPrefix[strlen(bootPrefix) - 1] == '/') | ||
4438 | bootPrefix[strlen(bootPrefix) - 1] = '\0'; | ||
4439 | } | ||
4440 | } else { | ||
4441 | bootPrefix = ""; | ||
4442 | } | ||
4443 | |||
4444 | niro | 914 | if (!cfi->mbAllowExtraInitRds && |
4445 | extraInitrdCount > 0) { | ||
4446 | fprintf(stderr, _("grubby: %s doesn't allow multiple initrds\n"), cfi->defaultConfig); | ||
4447 | return 1; | ||
4448 | } | ||
4449 | |||
4450 | niro | 532 | if (bootloaderProbe) { |
4451 | niro | 1854 | int lrc = 0, grc = 0, gr2c = 0, extrc = 0, yrc = 0, erc = 0; |
4452 | struct grubConfig * lconfig, * gconfig, * yconfig, * econfig; | ||
4453 | niro | 532 | |
4454 | niro | 1696 | const char *grub2config = grub2FindConfig(&grub2ConfigType); |
4455 | if (grub2config) { | ||
4456 | gconfig = readConfig(grub2config, &grub2ConfigType); | ||
4457 | if (!gconfig) | ||
4458 | gr2c = 1; | ||
4459 | else | ||
4460 | gr2c = checkForGrub2(gconfig); | ||
4461 | } | ||
4462 | |||
4463 | niro | 1715 | const char *grubconfig = grubFindConfig(&grubConfigType); |
4464 | if (!access(grubconfig, F_OK)) { | ||
4465 | gconfig = readConfig(grubconfig, &grubConfigType); | ||
4466 | niro | 532 | if (!gconfig) |
4467 | grc = 1; | ||
4468 | else | ||
4469 | grc = checkForGrub(gconfig); | ||
4470 | } | ||
4471 | |||
4472 | if (!access(liloConfigType.defaultConfig, F_OK)) { | ||
4473 | lconfig = readConfig(liloConfigType.defaultConfig, &liloConfigType); | ||
4474 | if (!lconfig) | ||
4475 | lrc = 1; | ||
4476 | else | ||
4477 | lrc = checkForLilo(lconfig); | ||
4478 | } | ||
4479 | |||
4480 | niro | 1854 | if (!access(eliloConfigType.defaultConfig, F_OK)) { |
4481 | econfig = readConfig(eliloConfigType.defaultConfig, | ||
4482 | &eliloConfigType); | ||
4483 | if (!econfig) | ||
4484 | erc = 1; | ||
4485 | else | ||
4486 | erc = checkForElilo(econfig); | ||
4487 | } | ||
4488 | |||
4489 | niro | 914 | if (!access(extlinuxConfigType.defaultConfig, F_OK)) { |
4490 | lconfig = readConfig(extlinuxConfigType.defaultConfig, &extlinuxConfigType); | ||
4491 | if (!lconfig) | ||
4492 | niro | 1854 | extrc = 1; |
4493 | niro | 914 | else |
4494 | niro | 1854 | extrc = checkForExtLinux(lconfig); |
4495 | niro | 914 | } |
4496 | |||
4497 | niro | 532 | |
4498 | niro | 1853 | if (!access(yabootConfigType.defaultConfig, F_OK)) { |
4499 | yconfig = readConfig(yabootConfigType.defaultConfig, | ||
4500 | &yabootConfigType); | ||
4501 | if (!yconfig) | ||
4502 | yrc = 1; | ||
4503 | else | ||
4504 | niro | 1864 | yrc = checkForYaboot(yconfig); |
4505 | niro | 1853 | } |
4506 | |||
4507 | niro | 1854 | if (lrc == 1 || grc == 1 || gr2c == 1 || extrc == 1 || yrc == 1 || |
4508 | niro | 1855 | erc == 1) |
4509 | niro | 1854 | return 1; |
4510 | niro | 1853 | |
4511 | niro | 532 | if (lrc == 2) printf("lilo\n"); |
4512 | niro | 1696 | if (gr2c == 2) printf("grub2\n"); |
4513 | niro | 532 | if (grc == 2) printf("grub\n"); |
4514 | niro | 1854 | if (extrc == 2) printf("extlinux\n"); |
4515 | niro | 1853 | if (yrc == 2) printf("yaboot\n"); |
4516 | niro | 1854 | if (erc == 2) printf("elilo\n"); |
4517 | niro | 532 | |
4518 | return 0; | ||
4519 | } | ||
4520 | |||
4521 | niro | 2246 | if (grubConfig == NULL) { |
4522 | printf("Could not find bootloader configuration file.\n"); | ||
4523 | exit(1); | ||
4524 | } | ||
4525 | |||
4526 | niro | 532 | config = readConfig(grubConfig, cfi); |
4527 | if (!config) return 1; | ||
4528 | |||
4529 | if (displayDefault) { | ||
4530 | struct singleLine * line; | ||
4531 | struct singleEntry * entry; | ||
4532 | char * rootspec; | ||
4533 | |||
4534 | if (config->defaultImage == -1) return 0; | ||
4535 | niro | 2255 | if (config->defaultImage == DEFAULT_SAVED_GRUB2 && |
4536 | cfi->defaultIsSaved) | ||
4537 | config->defaultImage = 0; | ||
4538 | niro | 532 | entry = findEntryByIndex(config, config->defaultImage); |
4539 | if (!entry) return 0; | ||
4540 | if (!suitableImage(entry, bootPrefix, 0, flags)) return 0; | ||
4541 | |||
4542 | niro | 2683 | line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines); |
4543 | niro | 532 | if (!line) return 0; |
4544 | |||
4545 | rootspec = getRootSpecifier(line->elements[1].item); | ||
4546 | printf("%s%s\n", bootPrefix, line->elements[1].item + | ||
4547 | ((rootspec != NULL) ? strlen(rootspec) : 0)); | ||
4548 | |||
4549 | return 0; | ||
4550 | niro | 1720 | |
4551 | niro | 1721 | } else if (displayDefaultTitle) { |
4552 | struct singleLine * line; | ||
4553 | struct singleEntry * entry; | ||
4554 | |||
4555 | if (config->defaultImage == -1) return 0; | ||
4556 | niro | 2255 | if (config->defaultImage == DEFAULT_SAVED_GRUB2 && |
4557 | cfi->defaultIsSaved) | ||
4558 | config->defaultImage = 0; | ||
4559 | niro | 1721 | entry = findEntryByIndex(config, config->defaultImage); |
4560 | if (!entry) return 0; | ||
4561 | |||
4562 | if (!configureGrub2) { | ||
4563 | line = getLineByType(LT_TITLE, entry->lines); | ||
4564 | if (!line) return 0; | ||
4565 | printf("%s\n", line->elements[1].item); | ||
4566 | |||
4567 | } else { | ||
4568 | niro | 1746 | char * title; |
4569 | niro | 1721 | |
4570 | dbgPrintf("This is GRUB2, default title is embeded in menuentry\n"); | ||
4571 | line = getLineByType(LT_MENUENTRY, entry->lines); | ||
4572 | if (!line) return 0; | ||
4573 | niro | 1746 | title = grub2ExtractTitle(line); |
4574 | if (title) | ||
4575 | printf("%s\n", title); | ||
4576 | niro | 1721 | } |
4577 | return 0; | ||
4578 | |||
4579 | niro | 1720 | } else if (displayDefaultIndex) { |
4580 | if (config->defaultImage == -1) return 0; | ||
4581 | niro | 2255 | if (config->defaultImage == DEFAULT_SAVED_GRUB2 && |
4582 | cfi->defaultIsSaved) | ||
4583 | config->defaultImage = 0; | ||
4584 | niro | 1720 | printf("%i\n", config->defaultImage); |
4585 | niro | 2250 | return 0; |
4586 | niro | 1720 | |
4587 | niro | 532 | } else if (kernelInfo) |
4588 | return displayInfo(config, kernelInfo, bootPrefix); | ||
4589 | |||
4590 | if (copyDefault) { | ||
4591 | template = findTemplate(config, bootPrefix, NULL, 0, flags); | ||
4592 | if (!template) return 1; | ||
4593 | } | ||
4594 | |||
4595 | markRemovedImage(config, removeKernelPath, bootPrefix); | ||
4596 | markRemovedImage(config, removeMBKernel, bootPrefix); | ||
4597 | setDefaultImage(config, newKernelPath != NULL, defaultKernel, makeDefault, | ||
4598 | niro | 1859 | bootPrefix, flags, defaultIndex); |
4599 | niro | 532 | setFallbackImage(config, newKernelPath != NULL); |
4600 | if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs, | ||
4601 | removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1; | ||
4602 | niro | 1156 | if (updateKernelPath && newKernelInitrd) { |
4603 | niro | 2263 | if (newMBKernel) { |
4604 | if (addMBInitrd(config, newMBKernel, updateKernelPath, | ||
4605 | bootPrefix, newKernelInitrd)) | ||
4606 | return 1; | ||
4607 | } else { | ||
4608 | if (updateInitrd(config, updateKernelPath, bootPrefix, | ||
4609 | newKernelInitrd)) | ||
4610 | return 1; | ||
4611 | } | ||
4612 | niro | 1156 | } |
4613 | niro | 532 | if (addNewKernel(config, template, bootPrefix, newKernelPath, |
4614 | newKernelTitle, newKernelArgs, newKernelInitrd, | ||
4615 | niro | 1844 | (const char **)extraInitrds, extraInitrdCount, |
4616 | niro | 2685 | newMBKernel, newMBKernelArgs, newDevTreePath)) return 1; |
4617 | niro | 532 | |
4618 | |||
4619 | if (numEntries(config) == 0) { | ||
4620 | fprintf(stderr, _("grubby: doing this would leave no kernel entries. " | ||
4621 | "Not writing out new config.\n")); | ||
4622 | return 1; | ||
4623 | } | ||
4624 | |||
4625 | if (!outputFile) | ||
4626 | niro | 1696 | outputFile = (char *)grubConfig; |
4627 | niro | 532 | |
4628 | return writeConfig(config, outputFile, bootPrefix); | ||
4629 | } |