Annotation of /trunk/grubby/grubby.c
Parent Directory | Revision Log
Revision 2957 -
(hide annotations)
(download)
Wed Jun 29 14:06:18 2016 UTC (8 years, 2 months ago) by niro
File MIME type: text/plain
File size: 129517 byte(s)
Wed Jun 29 14:06:18 2016 UTC (8 years, 2 months ago) by niro
File MIME type: text/plain
File size: 129517 byte(s)
grubby: fix initrd updating when multiboot exist
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 | 2700 | #if defined(__aarch64__) |
64 | niro | 2688 | #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 | 2692 | int defaultIsUnquoted; |
165 | niro | 1693 | enum lineType_e entryStart; |
166 | niro | 1696 | enum lineType_e entryEnd; |
167 | niro | 532 | int needsBootPrefix; |
168 | int argsInQuotes; | ||
169 | int maxTitleLength; | ||
170 | int titleBracketed; | ||
171 | niro | 1696 | int titlePosition; |
172 | niro | 914 | int mbHyperFirst; |
173 | int mbInitRdIsModule; | ||
174 | int mbConcatArgs; | ||
175 | int mbAllowExtraInitRds; | ||
176 | niro | 2252 | char *envFile; |
177 | niro | 532 | }; |
178 | |||
179 | struct keywordTypes grubKeywords[] = { | ||
180 | { "title", LT_TITLE, ' ' }, | ||
181 | { "root", LT_BOOTROOT, ' ' }, | ||
182 | { "default", LT_DEFAULT, ' ' }, | ||
183 | { "fallback", LT_FALLBACK, ' ' }, | ||
184 | { "kernel", LT_KERNEL, ' ' }, | ||
185 | niro | 914 | { "initrd", LT_INITRD, ' ', ' ' }, |
186 | niro | 532 | { "module", LT_MBMODULE, ' ' }, |
187 | niro | 914 | { "kernel", LT_HYPER, ' ' }, |
188 | niro | 532 | { NULL, 0, 0 }, |
189 | }; | ||
190 | |||
191 | niro | 1715 | const char *grubFindConfig(struct configFileInfo *cfi) { |
192 | static const char *configFiles[] = { | ||
193 | "/boot/grub/grub.conf", | ||
194 | "/boot/grub/menu.lst", | ||
195 | niro | 1852 | "/etc/grub.conf", |
196 | niro | 2262 | "/boot/grub2/grub.cfg", |
197 | "/boot/grub2-efi/grub.cfg", | ||
198 | niro | 1715 | NULL |
199 | }; | ||
200 | static int i = -1; | ||
201 | |||
202 | if (i == -1) { | ||
203 | for (i = 0; configFiles[i] != NULL; i++) { | ||
204 | dbgPrintf("Checking \"%s\": ", configFiles[i]); | ||
205 | if (!access(configFiles[i], R_OK)) { | ||
206 | dbgPrintf("found\n"); | ||
207 | return configFiles[i]; | ||
208 | } | ||
209 | dbgPrintf("not found\n"); | ||
210 | } | ||
211 | } | ||
212 | return configFiles[i]; | ||
213 | } | ||
214 | |||
215 | niro | 532 | struct configFileInfo grubConfigType = { |
216 | niro | 1715 | .findConfig = grubFindConfig, |
217 | niro | 1692 | .keywords = grubKeywords, |
218 | .defaultIsIndex = 1, | ||
219 | .defaultSupportSaved = 1, | ||
220 | niro | 1693 | .entryStart = LT_TITLE, |
221 | niro | 1692 | .needsBootPrefix = 1, |
222 | .mbHyperFirst = 1, | ||
223 | .mbInitRdIsModule = 1, | ||
224 | .mbAllowExtraInitRds = 1, | ||
225 | niro | 532 | }; |
226 | |||
227 | niro | 1696 | struct keywordTypes grub2Keywords[] = { |
228 | { "menuentry", LT_MENUENTRY, ' ' }, | ||
229 | { "}", LT_ENTRY_END, ' ' }, | ||
230 | { "echo", LT_ECHO, ' ' }, | ||
231 | { "set", LT_SET_VARIABLE,' ', '=' }, | ||
232 | { "root", LT_BOOTROOT, ' ' }, | ||
233 | { "default", LT_DEFAULT, ' ' }, | ||
234 | { "fallback", LT_FALLBACK, ' ' }, | ||
235 | { "linux", LT_KERNEL, ' ' }, | ||
236 | niro | 1940 | { "linuxefi", LT_KERNEL_EFI, ' ' }, |
237 | niro | 2683 | { "linux16", LT_KERNEL_16, ' ' }, |
238 | niro | 1696 | { "initrd", LT_INITRD, ' ', ' ' }, |
239 | niro | 1940 | { "initrdefi", LT_INITRD_EFI, ' ', ' ' }, |
240 | niro | 2683 | { "initrd16", LT_INITRD_16, ' ', ' ' }, |
241 | niro | 1696 | { "module", LT_MBMODULE, ' ' }, |
242 | { "kernel", LT_HYPER, ' ' }, | ||
243 | niro | 2685 | { "devicetree", LT_DEVTREE, ' ' }, |
244 | niro | 1696 | { NULL, 0, 0 }, |
245 | }; | ||
246 | |||
247 | const char *grub2FindConfig(struct configFileInfo *cfi) { | ||
248 | static const char *configFiles[] = { | ||
249 | "/boot/grub/grub-efi.cfg", | ||
250 | "/boot/grub/grub.cfg", | ||
251 | NULL | ||
252 | }; | ||
253 | static int i = -1; | ||
254 | niro | 1714 | static const char *grub_cfg = "/boot/grub/grub.cfg"; |
255 | niro | 2246 | int rc = -1; |
256 | niro | 1696 | |
257 | if (i == -1) { | ||
258 | for (i = 0; configFiles[i] != NULL; i++) { | ||
259 | dbgPrintf("Checking \"%s\": ", configFiles[i]); | ||
260 | niro | 2246 | if ((rc = access(configFiles[i], R_OK))) { |
261 | if (errno == EACCES) { | ||
262 | printf("Unable to access bootloader configuration file " | ||
263 | "\"%s\": %m\n", configFiles[i]); | ||
264 | exit(1); | ||
265 | } | ||
266 | continue; | ||
267 | } else { | ||
268 | niro | 1696 | dbgPrintf("found\n"); |
269 | return configFiles[i]; | ||
270 | } | ||
271 | } | ||
272 | } | ||
273 | niro | 1714 | |
274 | /* Ubuntu renames grub2 to grub, so check for the grub.d directory | ||
275 | * that isn't in grub1, and if it exists, return the config file path | ||
276 | * that they use. */ | ||
277 | if (configFiles[i] == NULL && !access("/etc/grub.d/", R_OK)) { | ||
278 | dbgPrintf("found\n"); | ||
279 | return grub_cfg; | ||
280 | } | ||
281 | |||
282 | dbgPrintf("not found\n"); | ||
283 | niro | 1696 | return configFiles[i]; |
284 | } | ||
285 | |||
286 | niro | 2252 | /* kind of hacky. It'll give the first 1024 bytes, ish. */ |
287 | static char *grub2GetEnv(struct configFileInfo *info, char *name) | ||
288 | { | ||
289 | static char buf[1025]; | ||
290 | char *s = NULL; | ||
291 | char *ret = NULL; | ||
292 | niro | 2682 | char *envFile = info->envFile ? info->envFile : "/boot/grub/grubenv"; |
293 | int rc = asprintf(&s, "grub-editenv %s list | grep '^%s='", envFile, name); | ||
294 | niro | 2252 | |
295 | if (rc < 0) | ||
296 | return NULL; | ||
297 | |||
298 | FILE *f = popen(s, "r"); | ||
299 | if (!f) | ||
300 | goto out; | ||
301 | |||
302 | memset(buf, '\0', sizeof (buf)); | ||
303 | ret = fgets(buf, 1024, f); | ||
304 | pclose(f); | ||
305 | |||
306 | if (ret) { | ||
307 | ret += strlen(name) + 1; | ||
308 | ret[strlen(ret) - 1] = '\0'; | ||
309 | } | ||
310 | dbgPrintf("grub2GetEnv(%s): %s\n", name, ret); | ||
311 | out: | ||
312 | free(s); | ||
313 | return ret; | ||
314 | } | ||
315 | |||
316 | niro | 2257 | static int sPopCount(const char *s, const char *c) |
317 | { | ||
318 | int ret = 0; | ||
319 | if (!s) | ||
320 | return -1; | ||
321 | for (int i = 0; s[i] != '\0'; i++) | ||
322 | for (int j = 0; c[j] != '\0'; j++) | ||
323 | if (s[i] == c[j]) | ||
324 | ret++; | ||
325 | return ret; | ||
326 | } | ||
327 | |||
328 | static char *shellEscape(const char *s) | ||
329 | { | ||
330 | int l = strlen(s) + sPopCount(s, "'") * 2; | ||
331 | |||
332 | char *ret = calloc(l+1, sizeof (*ret)); | ||
333 | if (!ret) | ||
334 | return NULL; | ||
335 | for (int i = 0, j = 0; s[i] != '\0'; i++, j++) { | ||
336 | if (s[i] == '\'') | ||
337 | ret[j++] = '\\'; | ||
338 | ret[j] = s[i]; | ||
339 | } | ||
340 | return ret; | ||
341 | } | ||
342 | |||
343 | static void unquote(char *s) | ||
344 | { | ||
345 | int l = strlen(s); | ||
346 | |||
347 | if ((s[l-1] == '\'' && s[0] == '\'') || (s[l-1] == '"' && s[0] == '"')) { | ||
348 | memmove(s, s+1, l-2); | ||
349 | s[l-2] = '\0'; | ||
350 | } | ||
351 | } | ||
352 | |||
353 | niro | 2252 | static int grub2SetEnv(struct configFileInfo *info, char *name, char *value) |
354 | { | ||
355 | char *s = NULL; | ||
356 | int rc = 0; | ||
357 | niro | 2682 | char *envFile = info->envFile ? info->envFile : "/boot/grub/grubenv"; |
358 | niro | 2252 | |
359 | niro | 2257 | unquote(value); |
360 | value = shellEscape(value); | ||
361 | if (!value) | ||
362 | return -1; | ||
363 | |||
364 | niro | 2682 | rc = asprintf(&s, "grub-editenv %s set '%s=%s'", envFile, name, value); |
365 | niro | 2257 | free(value); |
366 | niro | 2252 | if (rc <0) |
367 | return -1; | ||
368 | |||
369 | dbgPrintf("grub2SetEnv(%s): %s\n", name, s); | ||
370 | rc = system(s); | ||
371 | free(s); | ||
372 | return rc; | ||
373 | } | ||
374 | |||
375 | /* this is a gigantic hack to avoid clobbering grub2 variables... */ | ||
376 | static int is_special_grub2_variable(const char *name) | ||
377 | { | ||
378 | if (!strcmp(name,"\"${next_entry}\"")) | ||
379 | return 1; | ||
380 | if (!strcmp(name,"\"${prev_saved_entry}\"")) | ||
381 | return 1; | ||
382 | return 0; | ||
383 | } | ||
384 | |||
385 | niro | 1746 | int sizeOfSingleLine(struct singleLine * line) { |
386 | int count = 0; | ||
387 | |||
388 | niro | 1846 | for (int i = 0; i < line->numElements; i++) { |
389 | niro | 1746 | int indentSize = 0; |
390 | |||
391 | count = count + strlen(line->elements[i].item); | ||
392 | |||
393 | indentSize = strlen(line->elements[i].indent); | ||
394 | if (indentSize > 0) | ||
395 | count = count + indentSize; | ||
396 | else | ||
397 | /* be extra safe and add room for whitespaces */ | ||
398 | count = count + 1; | ||
399 | } | ||
400 | |||
401 | /* room for trailing terminator */ | ||
402 | count = count + 1; | ||
403 | |||
404 | return count; | ||
405 | } | ||
406 | |||
407 | niro | 1800 | static int isquote(char q) |
408 | { | ||
409 | if (q == '\'' || q == '\"') | ||
410 | return 1; | ||
411 | return 0; | ||
412 | } | ||
413 | |||
414 | niro | 1940 | static int iskernel(enum lineType_e type) { |
415 | niro | 2683 | return (type == LT_KERNEL || type == LT_KERNEL_EFI || type == LT_KERNEL_16); |
416 | niro | 1940 | } |
417 | |||
418 | static int isinitrd(enum lineType_e type) { | ||
419 | niro | 2683 | return (type == LT_INITRD || type == LT_INITRD_EFI || type == LT_INITRD_16); |
420 | niro | 1940 | } |
421 | |||
422 | niro | 1746 | char *grub2ExtractTitle(struct singleLine * line) { |
423 | char * current; | ||
424 | char * current_indent; | ||
425 | int current_len; | ||
426 | int current_indent_len; | ||
427 | int i; | ||
428 | |||
429 | /* bail out if line does not start with menuentry */ | ||
430 | if (strcmp(line->elements[0].item, "menuentry")) | ||
431 | return NULL; | ||
432 | |||
433 | i = 1; | ||
434 | current = line->elements[i].item; | ||
435 | current_len = strlen(current); | ||
436 | |||
437 | /* if second word is quoted, strip the quotes and return single word */ | ||
438 | niro | 1800 | if (isquote(*current) && isquote(current[current_len - 1])) { |
439 | char *tmp; | ||
440 | |||
441 | tmp = strdup(current); | ||
442 | *(tmp + current_len - 1) = '\0'; | ||
443 | return ++tmp; | ||
444 | niro | 1746 | } |
445 | |||
446 | /* if no quotes, return second word verbatim */ | ||
447 | niro | 1800 | if (!isquote(*current)) |
448 | return current; | ||
449 | niro | 1746 | |
450 | /* second element start with a quote, so we have to find the element | ||
451 | * whose last character is also quote (assuming it's the closing one) */ | ||
452 | niro | 1800 | int resultMaxSize; |
453 | char * result; | ||
454 | |||
455 | resultMaxSize = sizeOfSingleLine(line); | ||
456 | result = malloc(resultMaxSize); | ||
457 | snprintf(result, resultMaxSize, "%s", ++current); | ||
458 | |||
459 | i++; | ||
460 | for (; i < line->numElements; ++i) { | ||
461 | niro | 1746 | current = line->elements[i].item; |
462 | current_len = strlen(current); | ||
463 | current_indent = line->elements[i].indent; | ||
464 | current_indent_len = strlen(current_indent); | ||
465 | |||
466 | strncat(result, current_indent, current_indent_len); | ||
467 | niro | 1800 | if (!isquote(current[current_len-1])) { |
468 | strncat(result, current, current_len); | ||
469 | niro | 1746 | } else { |
470 | niro | 1800 | strncat(result, current, current_len - 1); |
471 | break; | ||
472 | niro | 1746 | } |
473 | } | ||
474 | niro | 1800 | return result; |
475 | niro | 1746 | } |
476 | |||
477 | niro | 1696 | struct configFileInfo grub2ConfigType = { |
478 | .findConfig = grub2FindConfig, | ||
479 | niro | 2252 | .getEnv = grub2GetEnv, |
480 | .setEnv = grub2SetEnv, | ||
481 | niro | 1696 | .keywords = grub2Keywords, |
482 | .defaultIsIndex = 1, | ||
483 | niro | 1748 | .defaultSupportSaved = 1, |
484 | niro | 1696 | .defaultIsVariable = 1, |
485 | .entryStart = LT_MENUENTRY, | ||
486 | .entryEnd = LT_ENTRY_END, | ||
487 | .titlePosition = 1, | ||
488 | .needsBootPrefix = 1, | ||
489 | .mbHyperFirst = 1, | ||
490 | .mbInitRdIsModule = 1, | ||
491 | .mbAllowExtraInitRds = 1, | ||
492 | }; | ||
493 | |||
494 | niro | 532 | struct keywordTypes yabootKeywords[] = { |
495 | { "label", LT_TITLE, '=' }, | ||
496 | { "root", LT_ROOT, '=' }, | ||
497 | { "default", LT_DEFAULT, '=' }, | ||
498 | { "image", LT_KERNEL, '=' }, | ||
499 | { "bsd", LT_GENERIC, '=' }, | ||
500 | { "macos", LT_GENERIC, '=' }, | ||
501 | { "macosx", LT_GENERIC, '=' }, | ||
502 | { "magicboot", LT_GENERIC, '=' }, | ||
503 | { "darwin", LT_GENERIC, '=' }, | ||
504 | { "timeout", LT_GENERIC, '=' }, | ||
505 | { "install", LT_GENERIC, '=' }, | ||
506 | { "fstype", LT_GENERIC, '=' }, | ||
507 | { "hfstype", LT_GENERIC, '=' }, | ||
508 | { "delay", LT_GENERIC, '=' }, | ||
509 | { "defaultos", LT_GENERIC, '=' }, | ||
510 | { "init-message", LT_GENERIC, '=' }, | ||
511 | { "enablecdboot", LT_GENERIC, ' ' }, | ||
512 | { "enableofboot", LT_GENERIC, ' ' }, | ||
513 | { "enablenetboot", LT_GENERIC, ' ' }, | ||
514 | { "nonvram", LT_GENERIC, ' ' }, | ||
515 | { "hide", LT_GENERIC, ' ' }, | ||
516 | { "protect", LT_GENERIC, ' ' }, | ||
517 | { "nobless", LT_GENERIC, ' ' }, | ||
518 | { "nonvram", LT_GENERIC, ' ' }, | ||
519 | { "brokenosx", LT_GENERIC, ' ' }, | ||
520 | { "usemount", LT_GENERIC, ' ' }, | ||
521 | { "mntpoint", LT_GENERIC, '=' }, | ||
522 | { "partition", LT_GENERIC, '=' }, | ||
523 | { "device", LT_GENERIC, '=' }, | ||
524 | { "fstype", LT_GENERIC, '=' }, | ||
525 | niro | 914 | { "initrd", LT_INITRD, '=', ';' }, |
526 | niro | 532 | { "append", LT_KERNELARGS, '=' }, |
527 | { "boot", LT_BOOT, '=' }, | ||
528 | { "lba", LT_LBA, ' ' }, | ||
529 | { NULL, 0, 0 }, | ||
530 | }; | ||
531 | |||
532 | struct keywordTypes liloKeywords[] = { | ||
533 | { "label", LT_TITLE, '=' }, | ||
534 | { "root", LT_ROOT, '=' }, | ||
535 | { "default", LT_DEFAULT, '=' }, | ||
536 | { "image", LT_KERNEL, '=' }, | ||
537 | { "other", LT_OTHER, '=' }, | ||
538 | { "initrd", LT_INITRD, '=' }, | ||
539 | { "append", LT_KERNELARGS, '=' }, | ||
540 | { "boot", LT_BOOT, '=' }, | ||
541 | { "lba", LT_LBA, ' ' }, | ||
542 | { NULL, 0, 0 }, | ||
543 | }; | ||
544 | |||
545 | niro | 914 | struct keywordTypes eliloKeywords[] = { |
546 | { "label", LT_TITLE, '=' }, | ||
547 | { "root", LT_ROOT, '=' }, | ||
548 | { "default", LT_DEFAULT, '=' }, | ||
549 | { "image", LT_KERNEL, '=' }, | ||
550 | { "initrd", LT_INITRD, '=' }, | ||
551 | { "append", LT_KERNELARGS, '=' }, | ||
552 | { "vmm", LT_HYPER, '=' }, | ||
553 | { NULL, 0, 0 }, | ||
554 | }; | ||
555 | |||
556 | niro | 532 | struct keywordTypes siloKeywords[] = { |
557 | { "label", LT_TITLE, '=' }, | ||
558 | { "root", LT_ROOT, '=' }, | ||
559 | { "default", LT_DEFAULT, '=' }, | ||
560 | { "image", LT_KERNEL, '=' }, | ||
561 | { "other", LT_OTHER, '=' }, | ||
562 | { "initrd", LT_INITRD, '=' }, | ||
563 | { "append", LT_KERNELARGS, '=' }, | ||
564 | { "boot", LT_BOOT, '=' }, | ||
565 | { NULL, 0, 0 }, | ||
566 | }; | ||
567 | |||
568 | struct keywordTypes ziplKeywords[] = { | ||
569 | { "target", LT_BOOTROOT, '=' }, | ||
570 | { "image", LT_KERNEL, '=' }, | ||
571 | { "ramdisk", LT_INITRD, '=' }, | ||
572 | { "parameters", LT_KERNELARGS, '=' }, | ||
573 | { "default", LT_DEFAULT, '=' }, | ||
574 | { NULL, 0, 0 }, | ||
575 | }; | ||
576 | |||
577 | niro | 914 | struct keywordTypes extlinuxKeywords[] = { |
578 | { "label", LT_TITLE, ' ' }, | ||
579 | { "root", LT_ROOT, ' ' }, | ||
580 | { "default", LT_DEFAULT, ' ' }, | ||
581 | { "kernel", LT_KERNEL, ' ' }, | ||
582 | { "initrd", LT_INITRD, ' ', ',' }, | ||
583 | { "append", LT_KERNELARGS, ' ' }, | ||
584 | { "prompt", LT_UNKNOWN, ' ' }, | ||
585 | { NULL, 0, 0 }, | ||
586 | }; | ||
587 | int useextlinuxmenu; | ||
588 | niro | 532 | struct configFileInfo eliloConfigType = { |
589 | niro | 1692 | .defaultConfig = "/boot/efi/EFI/redhat/elilo.conf", |
590 | .keywords = eliloKeywords, | ||
591 | niro | 1693 | .entryStart = LT_KERNEL, |
592 | niro | 1692 | .needsBootPrefix = 1, |
593 | .argsInQuotes = 1, | ||
594 | .mbConcatArgs = 1, | ||
595 | niro | 532 | }; |
596 | |||
597 | struct configFileInfo liloConfigType = { | ||
598 | niro | 1692 | .defaultConfig = "/etc/lilo.conf", |
599 | .keywords = liloKeywords, | ||
600 | niro | 1693 | .entryStart = LT_KERNEL, |
601 | niro | 1692 | .argsInQuotes = 1, |
602 | .maxTitleLength = 15, | ||
603 | niro | 532 | }; |
604 | |||
605 | struct configFileInfo yabootConfigType = { | ||
606 | niro | 1692 | .defaultConfig = "/etc/yaboot.conf", |
607 | .keywords = yabootKeywords, | ||
608 | niro | 1693 | .entryStart = LT_KERNEL, |
609 | niro | 1692 | .needsBootPrefix = 1, |
610 | .argsInQuotes = 1, | ||
611 | .maxTitleLength = 15, | ||
612 | .mbAllowExtraInitRds = 1, | ||
613 | niro | 532 | }; |
614 | |||
615 | struct configFileInfo siloConfigType = { | ||
616 | niro | 1692 | .defaultConfig = "/etc/silo.conf", |
617 | .keywords = siloKeywords, | ||
618 | niro | 1693 | .entryStart = LT_KERNEL, |
619 | niro | 1692 | .needsBootPrefix = 1, |
620 | .argsInQuotes = 1, | ||
621 | .maxTitleLength = 15, | ||
622 | niro | 532 | }; |
623 | |||
624 | struct configFileInfo ziplConfigType = { | ||
625 | niro | 1692 | .defaultConfig = "/etc/zipl.conf", |
626 | .keywords = ziplKeywords, | ||
627 | niro | 1693 | .entryStart = LT_TITLE, |
628 | niro | 1692 | .argsInQuotes = 1, |
629 | .titleBracketed = 1, | ||
630 | niro | 532 | }; |
631 | |||
632 | niro | 914 | struct configFileInfo extlinuxConfigType = { |
633 | niro | 1692 | .defaultConfig = "/boot/extlinux/extlinux.conf", |
634 | .keywords = extlinuxKeywords, | ||
635 | niro | 2056 | .caseInsensitive = 1, |
636 | niro | 1693 | .entryStart = LT_TITLE, |
637 | niro | 1692 | .needsBootPrefix = 1, |
638 | .maxTitleLength = 255, | ||
639 | .mbAllowExtraInitRds = 1, | ||
640 | niro | 2692 | .defaultIsUnquoted = 1, |
641 | niro | 914 | }; |
642 | |||
643 | niro | 532 | struct grubConfig { |
644 | struct singleLine * theLines; | ||
645 | struct singleEntry * entries; | ||
646 | char * primaryIndent; | ||
647 | char * secondaryIndent; | ||
648 | int defaultImage; /* -1 if none specified -- this value is | ||
649 | * written out, overriding original */ | ||
650 | int fallbackImage; /* just like defaultImage */ | ||
651 | int flags; | ||
652 | struct configFileInfo * cfi; | ||
653 | }; | ||
654 | |||
655 | niro | 1156 | blkid_cache blkid; |
656 | |||
657 | niro | 532 | struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index); |
658 | struct singleEntry * findEntryByPath(struct grubConfig * cfg, | ||
659 | const char * path, const char * prefix, | ||
660 | int * index); | ||
661 | niro | 2252 | struct singleEntry * findEntryByTitle(struct grubConfig * cfg, char *title, |
662 | int * index); | ||
663 | niro | 532 | static int readFile(int fd, char ** bufPtr); |
664 | static void lineInit(struct singleLine * line); | ||
665 | niro | 914 | struct singleLine * lineDup(struct singleLine * line); |
666 | niro | 532 | static void lineFree(struct singleLine * line); |
667 | static int lineWrite(FILE * out, struct singleLine * line, | ||
668 | struct configFileInfo * cfi); | ||
669 | static int getNextLine(char ** bufPtr, struct singleLine * line, | ||
670 | struct configFileInfo * cfi); | ||
671 | static char * getRootSpecifier(char * str); | ||
672 | niro | 1696 | static void requote(struct singleLine *line, struct configFileInfo * cfi); |
673 | niro | 914 | static void insertElement(struct singleLine * line, |
674 | const char * item, int insertHere, | ||
675 | struct configFileInfo * cfi); | ||
676 | static void removeElement(struct singleLine * line, int removeHere); | ||
677 | static struct keywordTypes * getKeywordByType(enum lineType_e type, | ||
678 | struct configFileInfo * cfi); | ||
679 | static enum lineType_e getTypeByKeyword(char * keyword, | ||
680 | struct configFileInfo * cfi); | ||
681 | static struct singleLine * getLineByType(enum lineType_e type, | ||
682 | struct singleLine * line); | ||
683 | static int checkForExtLinux(struct grubConfig * config); | ||
684 | struct singleLine * addLineTmpl(struct singleEntry * entry, | ||
685 | struct singleLine * tmplLine, | ||
686 | struct singleLine * prevLine, | ||
687 | const char * val, | ||
688 | struct configFileInfo * cfi); | ||
689 | struct singleLine * addLine(struct singleEntry * entry, | ||
690 | struct configFileInfo * cfi, | ||
691 | enum lineType_e type, char * defaultIndent, | ||
692 | const char * val); | ||
693 | niro | 532 | |
694 | static char * sdupprintf(const char *format, ...) | ||
695 | #ifdef __GNUC__ | ||
696 | __attribute__ ((format (printf, 1, 2))); | ||
697 | #else | ||
698 | ; | ||
699 | #endif | ||
700 | |||
701 | static char * sdupprintf(const char *format, ...) { | ||
702 | char *buf = NULL; | ||
703 | char c; | ||
704 | va_list args; | ||
705 | size_t size = 0; | ||
706 | va_start(args, format); | ||
707 | |||
708 | /* XXX requires C99 vsnprintf behavior */ | ||
709 | size = vsnprintf(&c, 1, format, args) + 1; | ||
710 | if (size == -1) { | ||
711 | printf("ERROR: vsnprintf behavior is not C99\n"); | ||
712 | abort(); | ||
713 | } | ||
714 | |||
715 | va_end(args); | ||
716 | va_start(args, format); | ||
717 | |||
718 | buf = malloc(size); | ||
719 | if (buf == NULL) | ||
720 | return NULL; | ||
721 | vsnprintf(buf, size, format, args); | ||
722 | va_end (args); | ||
723 | |||
724 | return buf; | ||
725 | } | ||
726 | |||
727 | niro | 1940 | static enum lineType_e preferredLineType(enum lineType_e type, |
728 | struct configFileInfo *cfi) { | ||
729 | if (isEfi && cfi == &grub2ConfigType) { | ||
730 | switch (type) { | ||
731 | case LT_KERNEL: | ||
732 | niro | 2688 | return isEfiOnly ? LT_KERNEL : LT_KERNEL_EFI; |
733 | niro | 2687 | case LT_INITRD: |
734 | niro | 2688 | return isEfiOnly ? LT_INITRD : LT_INITRD_EFI; |
735 | niro | 1940 | default: |
736 | return type; | ||
737 | } | ||
738 | niro | 2683 | #if defined(__i386__) || defined(__x86_64__) |
739 | } else if (cfi == &grub2ConfigType) { | ||
740 | switch (type) { | ||
741 | case LT_KERNEL: | ||
742 | return LT_KERNEL_16; | ||
743 | case LT_INITRD: | ||
744 | return LT_INITRD_16; | ||
745 | default: | ||
746 | return type; | ||
747 | } | ||
748 | #endif | ||
749 | niro | 1940 | } |
750 | return type; | ||
751 | } | ||
752 | |||
753 | niro | 914 | static struct keywordTypes * getKeywordByType(enum lineType_e type, |
754 | struct configFileInfo * cfi) { | ||
755 | niro | 1846 | for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) { |
756 | niro | 914 | if (kw->type == type) |
757 | return kw; | ||
758 | } | ||
759 | return NULL; | ||
760 | } | ||
761 | |||
762 | niro | 1696 | static char *getKeyByType(enum lineType_e type, struct configFileInfo * cfi) { |
763 | struct keywordTypes *kt = getKeywordByType(type, cfi); | ||
764 | if (kt) | ||
765 | return kt->key; | ||
766 | return "unknown"; | ||
767 | } | ||
768 | |||
769 | niro | 914 | static char * getpathbyspec(char *device) { |
770 | if (!blkid) | ||
771 | blkid_get_cache(&blkid, NULL); | ||
772 | |||
773 | return blkid_get_devname(blkid, device, NULL); | ||
774 | } | ||
775 | |||
776 | niro | 1156 | static char * getuuidbydev(char *device) { |
777 | if (!blkid) | ||
778 | blkid_get_cache(&blkid, NULL); | ||
779 | |||
780 | return blkid_get_tag_value(blkid, "UUID", device); | ||
781 | } | ||
782 | |||
783 | niro | 914 | static enum lineType_e getTypeByKeyword(char * keyword, |
784 | struct configFileInfo * cfi) { | ||
785 | niro | 1846 | for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) { |
786 | niro | 2056 | if (cfi->caseInsensitive) { |
787 | if (!strcasecmp(keyword, kw->key)) | ||
788 | return kw->type; | ||
789 | } else { | ||
790 | if (!strcmp(keyword, kw->key)) | ||
791 | return kw->type; | ||
792 | } | ||
793 | niro | 914 | } |
794 | return LT_UNKNOWN; | ||
795 | } | ||
796 | |||
797 | static struct singleLine * getLineByType(enum lineType_e type, | ||
798 | struct singleLine * line) { | ||
799 | dbgPrintf("getLineByType(%d): ", type); | ||
800 | for (; line; line = line->next) { | ||
801 | dbgPrintf("%d:%s ", line->type, | ||
802 | line->numElements ? line->elements[0].item : "(empty)"); | ||
803 | if (line->type & type) break; | ||
804 | } | ||
805 | dbgPrintf(line ? "\n" : " (failed)\n"); | ||
806 | return line; | ||
807 | } | ||
808 | |||
809 | niro | 532 | static int isBracketedTitle(struct singleLine * line) { |
810 | niro | 914 | if (line->numElements == 1 && *line->elements[0].item == '[') { |
811 | niro | 532 | int len = strlen(line->elements[0].item); |
812 | if (*(line->elements[0].item + len - 1) == ']') { | ||
813 | /* FIXME: this is a hack... */ | ||
814 | if (strcmp(line->elements[0].item, "[defaultboot]")) { | ||
815 | return 1; | ||
816 | } | ||
817 | } | ||
818 | } | ||
819 | return 0; | ||
820 | } | ||
821 | |||
822 | niro | 1693 | static int isEntryStart(struct singleLine * line, |
823 | niro | 532 | struct configFileInfo * cfi) { |
824 | niro | 1693 | return line->type == cfi->entryStart || line->type == LT_OTHER || |
825 | niro | 914 | (cfi->titleBracketed && isBracketedTitle(line)); |
826 | niro | 532 | } |
827 | |||
828 | /* extract the title from within brackets (for zipl) */ | ||
829 | static char * extractTitle(struct singleLine * line) { | ||
830 | /* bracketed title... let's extract it (leaks a byte) */ | ||
831 | niro | 2252 | char * title = NULL; |
832 | if (line->type == LT_TITLE) { | ||
833 | title = strdup(line->elements[0].item); | ||
834 | title++; | ||
835 | *(title + strlen(title) - 1) = '\0'; | ||
836 | } else if (line->type == LT_MENUENTRY) | ||
837 | title = strdup(line->elements[1].item); | ||
838 | else | ||
839 | return NULL; | ||
840 | niro | 532 | return title; |
841 | } | ||
842 | |||
843 | static int readFile(int fd, char ** bufPtr) { | ||
844 | int alloced = 0, size = 0, i = 0; | ||
845 | char * buf = NULL; | ||
846 | |||
847 | do { | ||
848 | size += i; | ||
849 | if ((size + 1024) > alloced) { | ||
850 | alloced += 4096; | ||
851 | buf = realloc(buf, alloced + 1); | ||
852 | } | ||
853 | } while ((i = read(fd, buf + size, 1024)) > 0); | ||
854 | |||
855 | if (i < 0) { | ||
856 | fprintf(stderr, _("error reading input: %s\n"), strerror(errno)); | ||
857 | free(buf); | ||
858 | return 1; | ||
859 | } | ||
860 | |||
861 | buf = realloc(buf, size + 2); | ||
862 | if (size == 0) | ||
863 | buf[size++] = '\n'; | ||
864 | else | ||
865 | if (buf[size - 1] != '\n') | ||
866 | buf[size++] = '\n'; | ||
867 | buf[size] = '\0'; | ||
868 | |||
869 | *bufPtr = buf; | ||
870 | |||
871 | return 0; | ||
872 | } | ||
873 | |||
874 | static void lineInit(struct singleLine * line) { | ||
875 | line->indent = NULL; | ||
876 | line->elements = NULL; | ||
877 | line->numElements = 0; | ||
878 | line->next = NULL; | ||
879 | } | ||
880 | |||
881 | niro | 914 | struct singleLine * lineDup(struct singleLine * line) { |
882 | struct singleLine * newLine = malloc(sizeof(*newLine)); | ||
883 | |||
884 | newLine->indent = strdup(line->indent); | ||
885 | newLine->next = NULL; | ||
886 | newLine->type = line->type; | ||
887 | newLine->numElements = line->numElements; | ||
888 | newLine->elements = malloc(sizeof(*newLine->elements) * | ||
889 | newLine->numElements); | ||
890 | |||
891 | niro | 1846 | for (int i = 0; i < newLine->numElements; i++) { |
892 | niro | 914 | newLine->elements[i].indent = strdup(line->elements[i].indent); |
893 | newLine->elements[i].item = strdup(line->elements[i].item); | ||
894 | } | ||
895 | |||
896 | return newLine; | ||
897 | } | ||
898 | |||
899 | niro | 532 | static void lineFree(struct singleLine * line) { |
900 | if (line->indent) free(line->indent); | ||
901 | |||
902 | niro | 1846 | for (int i = 0; i < line->numElements; i++) { |
903 | niro | 532 | free(line->elements[i].item); |
904 | free(line->elements[i].indent); | ||
905 | } | ||
906 | |||
907 | if (line->elements) free(line->elements); | ||
908 | lineInit(line); | ||
909 | } | ||
910 | |||
911 | static int lineWrite(FILE * out, struct singleLine * line, | ||
912 | struct configFileInfo * cfi) { | ||
913 | if (fprintf(out, "%s", line->indent) == -1) return -1; | ||
914 | |||
915 | niro | 1846 | for (int i = 0; i < line->numElements; i++) { |
916 | niro | 1801 | /* Need to handle this, because we strip the quotes from |
917 | * menuentry when read it. */ | ||
918 | if (line->type == LT_MENUENTRY && i == 1) { | ||
919 | if(!isquote(*line->elements[i].item)) | ||
920 | fprintf(out, "\'%s\'", line->elements[i].item); | ||
921 | else | ||
922 | fprintf(out, "%s", line->elements[i].item); | ||
923 | fprintf(out, "%s", line->elements[i].indent); | ||
924 | |||
925 | continue; | ||
926 | } | ||
927 | |||
928 | niro | 532 | if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes) |
929 | if (fputc('"', out) == EOF) return -1; | ||
930 | |||
931 | if (fprintf(out, "%s", line->elements[i].item) == -1) return -1; | ||
932 | niro | 914 | if (i < line->numElements - 1) |
933 | if (fprintf(out, "%s", line->elements[i].indent) == -1) return -1; | ||
934 | niro | 532 | } |
935 | |||
936 | if (line->type == LT_KERNELARGS && cfi->argsInQuotes) | ||
937 | if (fputc('"', out) == EOF) return -1; | ||
938 | |||
939 | if (fprintf(out, "\n") == -1) return -1; | ||
940 | |||
941 | return 0; | ||
942 | } | ||
943 | |||
944 | /* we've guaranteed that the buffer ends w/ \n\0 */ | ||
945 | static int getNextLine(char ** bufPtr, struct singleLine * line, | ||
946 | struct configFileInfo * cfi) { | ||
947 | char * end; | ||
948 | char * start = *bufPtr; | ||
949 | char * chptr; | ||
950 | int elementsAlloced = 0; | ||
951 | struct lineElement * element; | ||
952 | int first = 1; | ||
953 | |||
954 | lineFree(line); | ||
955 | |||
956 | end = strchr(start, '\n'); | ||
957 | *end = '\0'; | ||
958 | *bufPtr = end + 1; | ||
959 | |||
960 | for (chptr = start; *chptr && isspace(*chptr); chptr++) ; | ||
961 | |||
962 | line->indent = strndup(start, chptr - start); | ||
963 | start = chptr; | ||
964 | |||
965 | while (start < end) { | ||
966 | /* we know !isspace(*start) */ | ||
967 | |||
968 | if (elementsAlloced == line->numElements) { | ||
969 | elementsAlloced += 5; | ||
970 | line->elements = realloc(line->elements, | ||
971 | sizeof(*line->elements) * elementsAlloced); | ||
972 | } | ||
973 | |||
974 | element = line->elements + line->numElements; | ||
975 | |||
976 | chptr = start; | ||
977 | while (*chptr && !isspace(*chptr)) { | ||
978 | if (first && *chptr == '=') break; | ||
979 | chptr++; | ||
980 | } | ||
981 | element->item = strndup(start, chptr - start); | ||
982 | start = chptr; | ||
983 | |||
984 | /* lilo actually accepts the pathological case of append = " foo " */ | ||
985 | if (*start == '=') | ||
986 | chptr = start + 1; | ||
987 | else | ||
988 | chptr = start; | ||
989 | |||
990 | do { | ||
991 | for (; *chptr && isspace(*chptr); chptr++); | ||
992 | if (*chptr == '=') | ||
993 | chptr = chptr + 1; | ||
994 | } while (isspace(*chptr)); | ||
995 | |||
996 | element->indent = strndup(start, chptr - start); | ||
997 | start = chptr; | ||
998 | |||
999 | line->numElements++; | ||
1000 | first = 0; | ||
1001 | } | ||
1002 | |||
1003 | if (!line->numElements) | ||
1004 | line->type = LT_WHITESPACE; | ||
1005 | else { | ||
1006 | niro | 914 | line->type = getTypeByKeyword(line->elements[0].item, cfi); |
1007 | if (line->type == LT_UNKNOWN) { | ||
1008 | niro | 532 | /* zipl does [title] instead of something reasonable like all |
1009 | * the other boot loaders. kind of ugly */ | ||
1010 | if (cfi->titleBracketed && isBracketedTitle(line)) { | ||
1011 | line->type = LT_TITLE; | ||
1012 | } | ||
1013 | |||
1014 | /* this is awkward, but we need to be able to handle keywords | ||
1015 | that begin with a # (specifically for #boot in grub.conf), | ||
1016 | but still make comments lines with no elements (everything | ||
1017 | stored in the indent */ | ||
1018 | if (*line->elements[0].item == '#') { | ||
1019 | char * fullLine; | ||
1020 | int len; | ||
1021 | |||
1022 | len = strlen(line->indent); | ||
1023 | niro | 1846 | for (int i = 0; i < line->numElements; i++) |
1024 | niro | 532 | len += strlen(line->elements[i].item) + |
1025 | strlen(line->elements[i].indent); | ||
1026 | |||
1027 | fullLine = malloc(len + 1); | ||
1028 | strcpy(fullLine, line->indent); | ||
1029 | free(line->indent); | ||
1030 | line->indent = fullLine; | ||
1031 | |||
1032 | niro | 1846 | for (int i = 0; i < line->numElements; i++) { |
1033 | niro | 532 | strcat(fullLine, line->elements[i].item); |
1034 | strcat(fullLine, line->elements[i].indent); | ||
1035 | free(line->elements[i].item); | ||
1036 | free(line->elements[i].indent); | ||
1037 | } | ||
1038 | |||
1039 | line->type = LT_WHITESPACE; | ||
1040 | line->numElements = 0; | ||
1041 | } | ||
1042 | niro | 914 | } else { |
1043 | struct keywordTypes *kw; | ||
1044 | |||
1045 | kw = getKeywordByType(line->type, cfi); | ||
1046 | |||
1047 | /* space isn't the only separator, we need to split | ||
1048 | * elements up more | ||
1049 | */ | ||
1050 | if (!isspace(kw->separatorChar)) { | ||
1051 | char indent[2] = ""; | ||
1052 | indent[0] = kw->separatorChar; | ||
1053 | niro | 1846 | for (int i = 1; i < line->numElements; i++) { |
1054 | niro | 914 | char *p; |
1055 | int numNewElements; | ||
1056 | |||
1057 | numNewElements = 0; | ||
1058 | p = line->elements[i].item; | ||
1059 | while (*p != '\0') { | ||
1060 | if (*p == kw->separatorChar) | ||
1061 | numNewElements++; | ||
1062 | p++; | ||
1063 | } | ||
1064 | if (line->numElements + numNewElements >= elementsAlloced) { | ||
1065 | elementsAlloced += numNewElements + 5; | ||
1066 | line->elements = realloc(line->elements, | ||
1067 | sizeof(*line->elements) * elementsAlloced); | ||
1068 | } | ||
1069 | |||
1070 | niro | 1846 | for (int j = line->numElements; j > i; j--) { |
1071 | niro | 914 | line->elements[j + numNewElements] = line->elements[j]; |
1072 | } | ||
1073 | line->numElements += numNewElements; | ||
1074 | |||
1075 | p = line->elements[i].item; | ||
1076 | while (*p != '\0') { | ||
1077 | |||
1078 | while (*p != kw->separatorChar && *p != '\0') p++; | ||
1079 | if (*p == '\0') { | ||
1080 | break; | ||
1081 | } | ||
1082 | |||
1083 | niro | 1840 | line->elements[i + 1].indent = line->elements[i].indent; |
1084 | niro | 914 | line->elements[i].indent = strdup(indent); |
1085 | *p++ = '\0'; | ||
1086 | i++; | ||
1087 | line->elements[i].item = strdup(p); | ||
1088 | } | ||
1089 | } | ||
1090 | } | ||
1091 | niro | 532 | } |
1092 | } | ||
1093 | |||
1094 | return 0; | ||
1095 | } | ||
1096 | |||
1097 | niro | 2258 | static int isnumber(const char *s) |
1098 | { | ||
1099 | int i; | ||
1100 | for (i = 0; s[i] != '\0'; i++) | ||
1101 | if (s[i] < '0' || s[i] > '9') | ||
1102 | return 0; | ||
1103 | return i; | ||
1104 | } | ||
1105 | |||
1106 | niro | 532 | static struct grubConfig * readConfig(const char * inName, |
1107 | struct configFileInfo * cfi) { | ||
1108 | int in; | ||
1109 | char * incoming = NULL, * head; | ||
1110 | int rc; | ||
1111 | int sawEntry = 0; | ||
1112 | int movedLine = 0; | ||
1113 | struct grubConfig * cfg; | ||
1114 | struct singleLine * last = NULL, * line, * defaultLine = NULL; | ||
1115 | char * end; | ||
1116 | struct singleEntry * entry = NULL; | ||
1117 | niro | 1846 | int len; |
1118 | niro | 532 | char * buf; |
1119 | |||
1120 | niro | 2246 | if (inName == NULL) { |
1121 | printf("Could not find bootloader configuration\n"); | ||
1122 | exit(1); | ||
1123 | } else if (!strcmp(inName, "-")) { | ||
1124 | niro | 532 | in = 0; |
1125 | } else { | ||
1126 | if ((in = open(inName, O_RDONLY)) < 0) { | ||
1127 | fprintf(stderr, _("error opening %s for read: %s\n"), | ||
1128 | inName, strerror(errno)); | ||
1129 | return NULL; | ||
1130 | } | ||
1131 | } | ||
1132 | |||
1133 | rc = readFile(in, &incoming); | ||
1134 | close(in); | ||
1135 | if (rc) return NULL; | ||
1136 | |||
1137 | head = incoming; | ||
1138 | cfg = malloc(sizeof(*cfg)); | ||
1139 | cfg->primaryIndent = strdup(""); | ||
1140 | cfg->secondaryIndent = strdup("\t"); | ||
1141 | cfg->flags = GRUB_CONFIG_NO_DEFAULT; | ||
1142 | cfg->cfi = cfi; | ||
1143 | cfg->theLines = NULL; | ||
1144 | cfg->entries = NULL; | ||
1145 | cfg->fallbackImage = 0; | ||
1146 | |||
1147 | /* copy everything we have */ | ||
1148 | while (*head) { | ||
1149 | line = malloc(sizeof(*line)); | ||
1150 | lineInit(line); | ||
1151 | |||
1152 | if (getNextLine(&head, line, cfi)) { | ||
1153 | free(line); | ||
1154 | /* XXX memory leak of everything in cfg */ | ||
1155 | return NULL; | ||
1156 | } | ||
1157 | |||
1158 | if (!sawEntry && line->numElements) { | ||
1159 | free(cfg->primaryIndent); | ||
1160 | cfg->primaryIndent = strdup(line->indent); | ||
1161 | } else if (line->numElements) { | ||
1162 | free(cfg->secondaryIndent); | ||
1163 | cfg->secondaryIndent = strdup(line->indent); | ||
1164 | } | ||
1165 | |||
1166 | niro | 1727 | if (isEntryStart(line, cfi) || (cfg->entries && !sawEntry)) { |
1167 | niro | 532 | sawEntry = 1; |
1168 | if (!entry) { | ||
1169 | cfg->entries = malloc(sizeof(*entry)); | ||
1170 | entry = cfg->entries; | ||
1171 | } else { | ||
1172 | entry->next = malloc(sizeof(*entry)); | ||
1173 | entry = entry->next; | ||
1174 | } | ||
1175 | |||
1176 | entry->skip = 0; | ||
1177 | entry->multiboot = 0; | ||
1178 | entry->lines = NULL; | ||
1179 | entry->next = NULL; | ||
1180 | } | ||
1181 | |||
1182 | niro | 1696 | if (line->type == LT_SET_VARIABLE) { |
1183 | dbgPrintf("found 'set' command (%d elements): ", line->numElements); | ||
1184 | dbgPrintf("%s", line->indent); | ||
1185 | niro | 1846 | for (int i = 0; i < line->numElements; i++) |
1186 | niro | 1840 | dbgPrintf("\"%s\"%s", line->elements[i].item, line->elements[i].indent); |
1187 | niro | 1696 | dbgPrintf("\n"); |
1188 | struct keywordTypes *kwType = getKeywordByType(LT_DEFAULT, cfi); | ||
1189 | if (kwType && line->numElements == 3 && | ||
1190 | niro | 2252 | !strcmp(line->elements[1].item, kwType->key) && |
1191 | !is_special_grub2_variable(line->elements[2].item)) { | ||
1192 | niro | 1696 | dbgPrintf("Line sets default config\n"); |
1193 | cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT; | ||
1194 | defaultLine = line; | ||
1195 | } | ||
1196 | niro | 914 | |
1197 | niro | 1940 | } else if (iskernel(line->type)) { |
1198 | niro | 914 | /* if by some freak chance this is multiboot and the "module" |
1199 | * lines came earlier in the template, make sure to use LT_HYPER | ||
1200 | * instead of LT_KERNEL now | ||
1201 | */ | ||
1202 | niro | 2694 | if (entry && entry->multiboot) |
1203 | niro | 914 | line->type = LT_HYPER; |
1204 | |||
1205 | niro | 532 | } else if (line->type == LT_MBMODULE) { |
1206 | niro | 914 | /* go back and fix the LT_KERNEL line to indicate LT_HYPER |
1207 | * instead, now that we know this is a multiboot entry. | ||
1208 | * This only applies to grub, but that's the only place we | ||
1209 | * should find LT_MBMODULE lines anyway. | ||
1210 | */ | ||
1211 | niro | 1846 | for (struct singleLine *l = entry->lines; l; l = l->next) { |
1212 | niro | 914 | if (l->type == LT_HYPER) |
1213 | break; | ||
1214 | niro | 1940 | else if (iskernel(l->type)) { |
1215 | niro | 914 | l->type = LT_HYPER; |
1216 | break; | ||
1217 | } | ||
1218 | } | ||
1219 | niro | 532 | entry->multiboot = 1; |
1220 | niro | 914 | |
1221 | } else if (line->type == LT_HYPER) { | ||
1222 | entry->multiboot = 1; | ||
1223 | |||
1224 | niro | 532 | } else if (line->type == LT_FALLBACK && line->numElements == 2) { |
1225 | cfg->fallbackImage = strtol(line->elements[1].item, &end, 10); | ||
1226 | if (*end) cfg->fallbackImage = -1; | ||
1227 | niro | 914 | |
1228 | niro | 2692 | } else if ((line->type == LT_DEFAULT && cfi->defaultIsUnquoted) || |
1229 | (line->type == LT_TITLE && line->numElements > 1)) { | ||
1230 | /* make the title/default a single argument (undoing our parsing) */ | ||
1231 | niro | 532 | 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 | niro | 2692 | if (line->type == LT_DEFAULT && line->numElements == 2) { |
1338 | cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT; | ||
1339 | defaultLine = line; | ||
1340 | } | ||
1341 | |||
1342 | niro | 532 | /* If we find a generic config option which should live at the |
1343 | top of the file, move it there. Old versions of grubby were | ||
1344 | probably responsible for putting new images in the wrong | ||
1345 | place in front of it anyway. */ | ||
1346 | if (sawEntry && line->type == LT_GENERIC) { | ||
1347 | struct singleLine **l = &cfg->theLines; | ||
1348 | struct singleLine **last_nonws = &cfg->theLines; | ||
1349 | while (*l) { | ||
1350 | if ((*l)->type != LT_WHITESPACE) | ||
1351 | last_nonws = &((*l)->next); | ||
1352 | l = &((*l)->next); | ||
1353 | } | ||
1354 | line->next = *last_nonws; | ||
1355 | *last_nonws = line; | ||
1356 | movedLine = 1; | ||
1357 | continue; /* without setting 'last' */ | ||
1358 | } | ||
1359 | niro | 914 | |
1360 | niro | 532 | /* If a second line of whitespace happens after a generic option |
1361 | which was moved, drop it. */ | ||
1362 | if (movedLine && line->type == LT_WHITESPACE && last->type == LT_WHITESPACE) { | ||
1363 | lineFree(line); | ||
1364 | free(line); | ||
1365 | movedLine = 0; | ||
1366 | continue; | ||
1367 | } | ||
1368 | movedLine = 0; | ||
1369 | |||
1370 | if (sawEntry) { | ||
1371 | if (!entry->lines) | ||
1372 | entry->lines = line; | ||
1373 | else | ||
1374 | last->next = line; | ||
1375 | niro | 1696 | dbgPrintf("readConfig added %s to %p\n", getKeyByType(line->type, cfi), entry); |
1376 | |||
1377 | /* we could have seen this outside of an entry... if so, we | ||
1378 | * ignore it like any other line we don't grok */ | ||
1379 | if (line->type == LT_ENTRY_END && sawEntry) | ||
1380 | sawEntry = 0; | ||
1381 | niro | 532 | } else { |
1382 | if (!cfg->theLines) | ||
1383 | cfg->theLines = line; | ||
1384 | niro | 914 | else |
1385 | niro | 532 | last->next = line; |
1386 | niro | 1696 | dbgPrintf("readConfig added %s to cfg\n", getKeyByType(line->type, cfi)); |
1387 | niro | 532 | } |
1388 | |||
1389 | last = line; | ||
1390 | } | ||
1391 | |||
1392 | free(incoming); | ||
1393 | |||
1394 | niro | 1696 | dbgPrintf("defaultLine is %s\n", defaultLine ? "set" : "unset"); |
1395 | niro | 532 | if (defaultLine) { |
1396 | niro | 1748 | if (defaultLine->numElements > 2 && |
1397 | cfi->defaultSupportSaved && | ||
1398 | !strncmp(defaultLine->elements[2].item,"\"${saved_entry}\"", 16)) { | ||
1399 | niro | 2252 | cfg->cfi->defaultIsSaved = 1; |
1400 | cfg->defaultImage = DEFAULT_SAVED_GRUB2; | ||
1401 | if (cfg->cfi->getEnv) { | ||
1402 | char *defTitle = cfi->getEnv(cfg->cfi, "saved_entry"); | ||
1403 | if (defTitle) { | ||
1404 | int index = 0; | ||
1405 | niro | 2258 | if (isnumber(defTitle)) { |
1406 | index = atoi(defTitle); | ||
1407 | entry = findEntryByIndex(cfg, index); | ||
1408 | } else { | ||
1409 | entry = findEntryByTitle(cfg, defTitle, &index); | ||
1410 | } | ||
1411 | niro | 2252 | if (entry) |
1412 | cfg->defaultImage = index; | ||
1413 | } | ||
1414 | } | ||
1415 | niro | 1748 | } else if (cfi->defaultIsVariable) { |
1416 | niro | 1696 | char *value = defaultLine->elements[2].item; |
1417 | while (*value && (*value == '"' || *value == '\'' || | ||
1418 | *value == ' ' || *value == '\t')) | ||
1419 | value++; | ||
1420 | cfg->defaultImage = strtol(value, &end, 10); | ||
1421 | while (*end && (*end == '"' || *end == '\'' || | ||
1422 | *end == ' ' || *end == '\t')) | ||
1423 | end++; | ||
1424 | if (*end) cfg->defaultImage = -1; | ||
1425 | } else if (cfi->defaultSupportSaved && | ||
1426 | niro | 532 | !strncmp(defaultLine->elements[1].item, "saved", 5)) { |
1427 | cfg->defaultImage = DEFAULT_SAVED; | ||
1428 | } else if (cfi->defaultIsIndex) { | ||
1429 | cfg->defaultImage = strtol(defaultLine->elements[1].item, &end, 10); | ||
1430 | if (*end) cfg->defaultImage = -1; | ||
1431 | } else if (defaultLine->numElements >= 2) { | ||
1432 | niro | 1846 | int i = 0; |
1433 | niro | 532 | while ((entry = findEntryByIndex(cfg, i))) { |
1434 | for (line = entry->lines; line; line = line->next) | ||
1435 | if (line->type == LT_TITLE) break; | ||
1436 | |||
1437 | if (!cfi->titleBracketed) { | ||
1438 | if (line && (line->numElements >= 2) && | ||
1439 | !strcmp(defaultLine->elements[1].item, | ||
1440 | line->elements[1].item)) break; | ||
1441 | } else if (line) { | ||
1442 | if (!strcmp(defaultLine->elements[1].item, | ||
1443 | extractTitle(line))) break; | ||
1444 | } | ||
1445 | i++; | ||
1446 | niro | 914 | entry = NULL; |
1447 | niro | 532 | } |
1448 | |||
1449 | niro | 914 | if (entry){ |
1450 | cfg->defaultImage = i; | ||
1451 | }else{ | ||
1452 | cfg->defaultImage = -1; | ||
1453 | } | ||
1454 | niro | 532 | } |
1455 | niro | 2252 | } else if (cfg->cfi->defaultIsSaved && cfg->cfi->getEnv) { |
1456 | char *defTitle = cfi->getEnv(cfg->cfi, "saved_entry"); | ||
1457 | if (defTitle) { | ||
1458 | int index = 0; | ||
1459 | niro | 2258 | if (isnumber(defTitle)) { |
1460 | index = atoi(defTitle); | ||
1461 | entry = findEntryByIndex(cfg, index); | ||
1462 | } else { | ||
1463 | entry = findEntryByTitle(cfg, defTitle, &index); | ||
1464 | } | ||
1465 | niro | 2252 | if (entry) |
1466 | cfg->defaultImage = index; | ||
1467 | } | ||
1468 | niro | 914 | } else { |
1469 | cfg->defaultImage = 0; | ||
1470 | niro | 532 | } |
1471 | |||
1472 | return cfg; | ||
1473 | } | ||
1474 | |||
1475 | static void writeDefault(FILE * out, char * indent, | ||
1476 | char * separator, struct grubConfig * cfg) { | ||
1477 | struct singleEntry * entry; | ||
1478 | struct singleLine * line; | ||
1479 | int i; | ||
1480 | |||
1481 | if (!cfg->defaultImage && cfg->flags == GRUB_CONFIG_NO_DEFAULT) return; | ||
1482 | |||
1483 | if (cfg->defaultImage == DEFAULT_SAVED) | ||
1484 | fprintf(out, "%sdefault%ssaved\n", indent, separator); | ||
1485 | niro | 2252 | else if (cfg->cfi->defaultIsSaved) { |
1486 | niro | 1748 | fprintf(out, "%sset default=\"${saved_entry}\"\n", indent); |
1487 | niro | 2252 | if (cfg->defaultImage >= 0 && cfg->cfi->setEnv) { |
1488 | char *title; | ||
1489 | entry = findEntryByIndex(cfg, cfg->defaultImage); | ||
1490 | line = getLineByType(LT_MENUENTRY, entry->lines); | ||
1491 | if (!line) | ||
1492 | line = getLineByType(LT_TITLE, entry->lines); | ||
1493 | if (line) { | ||
1494 | title = extractTitle(line); | ||
1495 | if (title) | ||
1496 | cfg->cfi->setEnv(cfg->cfi, "saved_entry", title); | ||
1497 | } | ||
1498 | } | ||
1499 | } else if (cfg->defaultImage > -1) { | ||
1500 | niro | 532 | if (cfg->cfi->defaultIsIndex) { |
1501 | niro | 1696 | if (cfg->cfi->defaultIsVariable) { |
1502 | fprintf(out, "%sset default=\"%d\"\n", indent, | ||
1503 | cfg->defaultImage); | ||
1504 | } else { | ||
1505 | fprintf(out, "%sdefault%s%d\n", indent, separator, | ||
1506 | cfg->defaultImage); | ||
1507 | } | ||
1508 | niro | 532 | } else { |
1509 | int image = cfg->defaultImage; | ||
1510 | |||
1511 | entry = cfg->entries; | ||
1512 | while (entry && entry->skip) entry = entry->next; | ||
1513 | |||
1514 | i = 0; | ||
1515 | while (entry && i < image) { | ||
1516 | entry = entry->next; | ||
1517 | |||
1518 | while (entry && entry->skip) entry = entry->next; | ||
1519 | i++; | ||
1520 | } | ||
1521 | |||
1522 | if (!entry) return; | ||
1523 | |||
1524 | niro | 914 | line = getLineByType(LT_TITLE, entry->lines); |
1525 | niro | 532 | |
1526 | if (line && line->numElements >= 2) | ||
1527 | fprintf(out, "%sdefault%s%s\n", indent, separator, | ||
1528 | line->elements[1].item); | ||
1529 | else if (line && (line->numElements == 1) && | ||
1530 | cfg->cfi->titleBracketed) { | ||
1531 | fprintf(out, "%sdefault%s%s\n", indent, separator, | ||
1532 | extractTitle(line)); | ||
1533 | } | ||
1534 | } | ||
1535 | } | ||
1536 | } | ||
1537 | |||
1538 | static int writeConfig(struct grubConfig * cfg, char * outName, | ||
1539 | const char * prefix) { | ||
1540 | FILE * out; | ||
1541 | struct singleLine * line; | ||
1542 | struct singleEntry * entry; | ||
1543 | char * tmpOutName; | ||
1544 | int needs = MAIN_DEFAULT; | ||
1545 | struct stat sb; | ||
1546 | int i; | ||
1547 | |||
1548 | if (!strcmp(outName, "-")) { | ||
1549 | out = stdout; | ||
1550 | tmpOutName = NULL; | ||
1551 | } else { | ||
1552 | if (!lstat(outName, &sb) && S_ISLNK(sb.st_mode)) { | ||
1553 | char * buf; | ||
1554 | int len = 256; | ||
1555 | int rc; | ||
1556 | |||
1557 | /* most likely the symlink is relative, so change our | ||
1558 | niro | 914 | directory to the dir of the symlink */ |
1559 | niro | 1868 | char *dir = strdupa(outName); |
1560 | niro | 1934 | rc = chdir(dirname(dir)); |
1561 | niro | 532 | do { |
1562 | buf = alloca(len + 1); | ||
1563 | niro | 914 | rc = readlink(basename(outName), buf, len); |
1564 | niro | 532 | if (rc == len) len += 256; |
1565 | } while (rc == len); | ||
1566 | |||
1567 | if (rc < 0) { | ||
1568 | fprintf(stderr, _("grubby: error readlink link %s: %s\n"), | ||
1569 | outName, strerror(errno)); | ||
1570 | return 1; | ||
1571 | } | ||
1572 | |||
1573 | outName = buf; | ||
1574 | outName[rc] = '\0'; | ||
1575 | } | ||
1576 | |||
1577 | tmpOutName = alloca(strlen(outName) + 2); | ||
1578 | sprintf(tmpOutName, "%s-", outName); | ||
1579 | out = fopen(tmpOutName, "w"); | ||
1580 | if (!out) { | ||
1581 | fprintf(stderr, _("grubby: error creating %s: %s\n"), tmpOutName, | ||
1582 | strerror(errno)); | ||
1583 | return 1; | ||
1584 | } | ||
1585 | |||
1586 | if (!stat(outName, &sb)) { | ||
1587 | if (chmod(tmpOutName, sb.st_mode & ~(S_IFMT))) { | ||
1588 | fprintf(stderr, _("grubby: error setting perms on %s: %s\n"), | ||
1589 | tmpOutName, strerror(errno)); | ||
1590 | fclose(out); | ||
1591 | unlink(tmpOutName); | ||
1592 | return 1; | ||
1593 | } | ||
1594 | } | ||
1595 | } | ||
1596 | |||
1597 | line = cfg->theLines; | ||
1598 | niro | 1696 | struct keywordTypes *defaultKw = getKeywordByType(LT_DEFAULT, cfg->cfi); |
1599 | niro | 532 | while (line) { |
1600 | niro | 1696 | if (line->type == LT_SET_VARIABLE && defaultKw && |
1601 | line->numElements == 3 && | ||
1602 | niro | 2252 | !strcmp(line->elements[1].item, defaultKw->key) && |
1603 | !is_special_grub2_variable(line->elements[2].item)) { | ||
1604 | niro | 532 | writeDefault(out, line->indent, line->elements[0].indent, cfg); |
1605 | needs &= ~MAIN_DEFAULT; | ||
1606 | niro | 1696 | } else if (line->type == LT_DEFAULT) { |
1607 | writeDefault(out, line->indent, line->elements[0].indent, cfg); | ||
1608 | needs &= ~MAIN_DEFAULT; | ||
1609 | niro | 532 | } else if (line->type == LT_FALLBACK) { |
1610 | if (cfg->fallbackImage > -1) | ||
1611 | fprintf(out, "%s%s%s%d\n", line->indent, | ||
1612 | line->elements[0].item, line->elements[0].indent, | ||
1613 | cfg->fallbackImage); | ||
1614 | } else { | ||
1615 | if (lineWrite(out, line, cfg->cfi) == -1) { | ||
1616 | fprintf(stderr, _("grubby: error writing %s: %s\n"), | ||
1617 | tmpOutName, strerror(errno)); | ||
1618 | fclose(out); | ||
1619 | unlink(tmpOutName); | ||
1620 | return 1; | ||
1621 | } | ||
1622 | } | ||
1623 | |||
1624 | line = line->next; | ||
1625 | } | ||
1626 | |||
1627 | if (needs & MAIN_DEFAULT) { | ||
1628 | writeDefault(out, cfg->primaryIndent, "=", cfg); | ||
1629 | needs &= ~MAIN_DEFAULT; | ||
1630 | } | ||
1631 | |||
1632 | i = 0; | ||
1633 | while ((entry = findEntryByIndex(cfg, i++))) { | ||
1634 | if (entry->skip) continue; | ||
1635 | |||
1636 | line = entry->lines; | ||
1637 | while (line) { | ||
1638 | if (lineWrite(out, line, cfg->cfi) == -1) { | ||
1639 | fprintf(stderr, _("grubby: error writing %s: %s\n"), | ||
1640 | tmpOutName, strerror(errno)); | ||
1641 | fclose(out); | ||
1642 | unlink(tmpOutName); | ||
1643 | return 1; | ||
1644 | } | ||
1645 | line = line->next; | ||
1646 | } | ||
1647 | } | ||
1648 | |||
1649 | if (tmpOutName) { | ||
1650 | if (rename(tmpOutName, outName)) { | ||
1651 | fprintf(stderr, _("grubby: error moving %s to %s: %s\n"), | ||
1652 | tmpOutName, outName, strerror(errno)); | ||
1653 | unlink(outName); | ||
1654 | return 1; | ||
1655 | } | ||
1656 | } | ||
1657 | |||
1658 | return 0; | ||
1659 | } | ||
1660 | |||
1661 | static int numEntries(struct grubConfig *cfg) { | ||
1662 | int i = 0; | ||
1663 | struct singleEntry * entry; | ||
1664 | |||
1665 | entry = cfg->entries; | ||
1666 | while (entry) { | ||
1667 | if (!entry->skip) | ||
1668 | i++; | ||
1669 | entry = entry->next; | ||
1670 | } | ||
1671 | return i; | ||
1672 | } | ||
1673 | |||
1674 | niro | 1156 | static char *findDiskForRoot() |
1675 | { | ||
1676 | int fd; | ||
1677 | char buf[65536]; | ||
1678 | char *devname; | ||
1679 | char *chptr; | ||
1680 | int rc; | ||
1681 | |||
1682 | if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) { | ||
1683 | fprintf(stderr, "grubby: failed to open %s: %s\n", | ||
1684 | _PATH_MOUNTED, strerror(errno)); | ||
1685 | return NULL; | ||
1686 | } | ||
1687 | |||
1688 | rc = read(fd, buf, sizeof(buf) - 1); | ||
1689 | if (rc <= 0) { | ||
1690 | fprintf(stderr, "grubby: failed to read %s: %s\n", | ||
1691 | _PATH_MOUNTED, strerror(errno)); | ||
1692 | close(fd); | ||
1693 | return NULL; | ||
1694 | } | ||
1695 | close(fd); | ||
1696 | buf[rc] = '\0'; | ||
1697 | chptr = buf; | ||
1698 | |||
1699 | niro | 1841 | char *foundanswer = NULL; |
1700 | |||
1701 | niro | 1156 | while (chptr && chptr != buf+rc) { |
1702 | devname = chptr; | ||
1703 | |||
1704 | /* | ||
1705 | * The first column of a mtab entry is the device, but if the entry is a | ||
1706 | * special device it won't start with /, so move on to the next line. | ||
1707 | */ | ||
1708 | if (*devname != '/') { | ||
1709 | chptr = strchr(chptr, '\n'); | ||
1710 | if (chptr) | ||
1711 | chptr++; | ||
1712 | continue; | ||
1713 | } | ||
1714 | |||
1715 | /* Seek to the next space */ | ||
1716 | chptr = strchr(chptr, ' '); | ||
1717 | if (!chptr) { | ||
1718 | fprintf(stderr, "grubby: error parsing %s: %s\n", | ||
1719 | _PATH_MOUNTED, strerror(errno)); | ||
1720 | return NULL; | ||
1721 | } | ||
1722 | |||
1723 | /* | ||
1724 | * The second column of a mtab entry is the mount point, we are looking | ||
1725 | * for '/' obviously. | ||
1726 | */ | ||
1727 | if (*(++chptr) == '/' && *(++chptr) == ' ') { | ||
1728 | niro | 1841 | /* remember the last / entry in mtab */ |
1729 | foundanswer = devname; | ||
1730 | niro | 1156 | } |
1731 | |||
1732 | /* Next line */ | ||
1733 | chptr = strchr(chptr, '\n'); | ||
1734 | if (chptr) | ||
1735 | chptr++; | ||
1736 | } | ||
1737 | |||
1738 | niro | 1841 | /* Return the last / entry found */ |
1739 | if (foundanswer) { | ||
1740 | chptr = strchr(foundanswer, ' '); | ||
1741 | *chptr = '\0'; | ||
1742 | return strdup(foundanswer); | ||
1743 | } | ||
1744 | |||
1745 | niro | 1156 | return NULL; |
1746 | } | ||
1747 | |||
1748 | niro | 2236 | void printEntry(struct singleEntry * entry, FILE *f) { |
1749 | niro | 1736 | int i; |
1750 | struct singleLine * line; | ||
1751 | |||
1752 | for (line = entry->lines; line; line = line->next) { | ||
1753 | niro | 2236 | log_message(f, "DBG: %s", line->indent); |
1754 | niro | 1736 | for (i = 0; i < line->numElements; i++) { |
1755 | niro | 1801 | /* Need to handle this, because we strip the quotes from |
1756 | * menuentry when read it. */ | ||
1757 | if (line->type == LT_MENUENTRY && i == 1) { | ||
1758 | if(!isquote(*line->elements[i].item)) | ||
1759 | niro | 2236 | log_message(f, "\'%s\'", line->elements[i].item); |
1760 | niro | 1801 | else |
1761 | niro | 2236 | log_message(f, "%s", line->elements[i].item); |
1762 | log_message(f, "%s", line->elements[i].indent); | ||
1763 | niro | 1801 | |
1764 | continue; | ||
1765 | } | ||
1766 | |||
1767 | niro | 2236 | log_message(f, "%s%s", |
1768 | niro | 1736 | line->elements[i].item, line->elements[i].indent); |
1769 | } | ||
1770 | niro | 2236 | log_message(f, "\n"); |
1771 | niro | 1736 | } |
1772 | } | ||
1773 | |||
1774 | niro | 2236 | void notSuitablePrintf(struct singleEntry * entry, int okay, const char *fmt, ...) |
1775 | niro | 1736 | { |
1776 | niro | 2236 | static int once; |
1777 | va_list argp, argq; | ||
1778 | niro | 1736 | |
1779 | niro | 2236 | va_start(argp, fmt); |
1780 | |||
1781 | va_copy(argq, argp); | ||
1782 | if (!once) { | ||
1783 | log_time(NULL); | ||
1784 | log_message(NULL, "command line: %s\n", saved_command_line); | ||
1785 | } | ||
1786 | log_message(NULL, "DBG: Image entry %s: ", okay ? "succeeded" : "failed"); | ||
1787 | log_vmessage(NULL, fmt, argq); | ||
1788 | |||
1789 | printEntry(entry, NULL); | ||
1790 | va_end(argq); | ||
1791 | |||
1792 | if (!debug) { | ||
1793 | once = 1; | ||
1794 | va_end(argp); | ||
1795 | niro | 1736 | return; |
1796 | niro | 2236 | } |
1797 | niro | 1736 | |
1798 | niro | 2236 | if (okay) { |
1799 | va_end(argp); | ||
1800 | return; | ||
1801 | } | ||
1802 | |||
1803 | if (!once) | ||
1804 | log_message(stderr, "DBG: command line: %s\n", saved_command_line); | ||
1805 | once = 1; | ||
1806 | niro | 1736 | fprintf(stderr, "DBG: Image entry failed: "); |
1807 | vfprintf(stderr, fmt, argp); | ||
1808 | niro | 2236 | printEntry(entry, stderr); |
1809 | niro | 1736 | va_end(argp); |
1810 | } | ||
1811 | |||
1812 | niro | 1745 | #define beginswith(s, c) ((s) && (s)[0] == (c)) |
1813 | |||
1814 | static int endswith(const char *s, char c) | ||
1815 | { | ||
1816 | int slen; | ||
1817 | |||
1818 | niro | 1750 | if (!s || !s[0]) |
1819 | niro | 1745 | return 0; |
1820 | slen = strlen(s) - 1; | ||
1821 | |||
1822 | return s[slen] == c; | ||
1823 | } | ||
1824 | |||
1825 | niro | 532 | int suitableImage(struct singleEntry * entry, const char * bootPrefix, |
1826 | int skipRemoved, int flags) { | ||
1827 | struct singleLine * line; | ||
1828 | char * fullName; | ||
1829 | int i; | ||
1830 | char * dev; | ||
1831 | char * rootspec; | ||
1832 | niro | 1156 | char * rootdev; |
1833 | niro | 532 | |
1834 | niro | 1736 | if (skipRemoved && entry->skip) { |
1835 | niro | 2236 | notSuitablePrintf(entry, 0, "marked to skip\n"); |
1836 | niro | 1736 | return 0; |
1837 | } | ||
1838 | niro | 532 | |
1839 | niro | 2683 | line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines); |
1840 | niro | 1736 | if (!line) { |
1841 | niro | 2236 | notSuitablePrintf(entry, 0, "no line found\n"); |
1842 | niro | 1736 | return 0; |
1843 | } | ||
1844 | if (line->numElements < 2) { | ||
1845 | niro | 2236 | notSuitablePrintf(entry, 0, "line has only %d elements\n", |
1846 | niro | 1736 | line->numElements); |
1847 | return 0; | ||
1848 | } | ||
1849 | niro | 914 | |
1850 | niro | 2236 | if (flags & GRUBBY_BADIMAGE_OKAY) { |
1851 | notSuitablePrintf(entry, 1, "\n"); | ||
1852 | return 1; | ||
1853 | } | ||
1854 | niro | 532 | |
1855 | fullName = alloca(strlen(bootPrefix) + | ||
1856 | strlen(line->elements[1].item) + 1); | ||
1857 | rootspec = getRootSpecifier(line->elements[1].item); | ||
1858 | niro | 1745 | int rootspec_offset = rootspec ? strlen(rootspec) : 0; |
1859 | int hasslash = endswith(bootPrefix, '/') || | ||
1860 | beginswith(line->elements[1].item + rootspec_offset, '/'); | ||
1861 | sprintf(fullName, "%s%s%s", bootPrefix, hasslash ? "" : "/", | ||
1862 | line->elements[1].item + rootspec_offset); | ||
1863 | niro | 1736 | if (access(fullName, R_OK)) { |
1864 | niro | 2236 | notSuitablePrintf(entry, 0, "access to %s failed\n", fullName); |
1865 | niro | 1736 | return 0; |
1866 | } | ||
1867 | niro | 532 | for (i = 2; i < line->numElements; i++) |
1868 | if (!strncasecmp(line->elements[i].item, "root=", 5)) break; | ||
1869 | if (i < line->numElements) { | ||
1870 | dev = line->elements[i].item + 5; | ||
1871 | } else { | ||
1872 | /* look for a lilo style LT_ROOT line */ | ||
1873 | niro | 914 | line = getLineByType(LT_ROOT, entry->lines); |
1874 | niro | 532 | |
1875 | if (line && line->numElements >= 2) { | ||
1876 | dev = line->elements[1].item; | ||
1877 | } else { | ||
1878 | niro | 914 | /* didn't succeed in finding a LT_ROOT, let's try LT_KERNELARGS. |
1879 | * grub+multiboot uses LT_MBMODULE for the args, so check that too. | ||
1880 | */ | ||
1881 | line = getLineByType(LT_KERNELARGS|LT_MBMODULE, entry->lines); | ||
1882 | niro | 532 | |
1883 | /* failed to find one */ | ||
1884 | niro | 1736 | if (!line) { |
1885 | niro | 2236 | notSuitablePrintf(entry, 0, "no line found\n"); |
1886 | niro | 1736 | return 0; |
1887 | } | ||
1888 | niro | 532 | |
1889 | for (i = 1; i < line->numElements; i++) | ||
1890 | if (!strncasecmp(line->elements[i].item, "root=", 5)) break; | ||
1891 | if (i < line->numElements) | ||
1892 | dev = line->elements[i].item + 5; | ||
1893 | else { | ||
1894 | niro | 2236 | notSuitablePrintf(entry, 0, "no root= entry found\n"); |
1895 | niro | 532 | /* it failed too... can't find root= */ |
1896 | return 0; | ||
1897 | } | ||
1898 | } | ||
1899 | } | ||
1900 | |||
1901 | niro | 914 | dev = getpathbyspec(dev); |
1902 | niro | 1736 | if (!getpathbyspec(dev)) { |
1903 | niro | 2236 | notSuitablePrintf(entry, 0, "can't find blkid entry for %s\n", dev); |
1904 | niro | 914 | return 0; |
1905 | niro | 1736 | } else |
1906 | dev = getpathbyspec(dev); | ||
1907 | niro | 532 | |
1908 | niro | 1156 | rootdev = findDiskForRoot(); |
1909 | niro | 1736 | if (!rootdev) { |
1910 | niro | 2236 | notSuitablePrintf(entry, 0, "can't find root device\n"); |
1911 | niro | 914 | return 0; |
1912 | niro | 1736 | } |
1913 | niro | 914 | |
1914 | niro | 1177 | if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) { |
1915 | niro | 2236 | notSuitablePrintf(entry, 0, "uuid missing: rootdev %s, dev %s\n", |
1916 | niro | 1736 | getuuidbydev(rootdev), getuuidbydev(dev)); |
1917 | niro | 1177 | free(rootdev); |
1918 | return 0; | ||
1919 | } | ||
1920 | niro | 532 | |
1921 | niro | 1156 | if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) { |
1922 | niro | 2236 | notSuitablePrintf(entry, 0, "uuid mismatch: rootdev %s, dev %s\n", |
1923 | niro | 1736 | getuuidbydev(rootdev), getuuidbydev(dev)); |
1924 | niro | 1156 | free(rootdev); |
1925 | niro | 914 | return 0; |
1926 | niro | 1156 | } |
1927 | niro | 532 | |
1928 | niro | 1156 | free(rootdev); |
1929 | niro | 2236 | notSuitablePrintf(entry, 1, "\n"); |
1930 | niro | 1156 | |
1931 | niro | 532 | return 1; |
1932 | } | ||
1933 | |||
1934 | /* returns the first match on or after the one pointed to by index (if index | ||
1935 | is not NULL) which is not marked as skip */ | ||
1936 | struct singleEntry * findEntryByPath(struct grubConfig * config, | ||
1937 | const char * kernel, const char * prefix, | ||
1938 | int * index) { | ||
1939 | struct singleEntry * entry = NULL; | ||
1940 | struct singleLine * line; | ||
1941 | int i; | ||
1942 | char * chptr; | ||
1943 | char * rootspec = NULL; | ||
1944 | enum lineType_e checkType = LT_KERNEL; | ||
1945 | |||
1946 | if (isdigit(*kernel)) { | ||
1947 | int * indexVars = alloca(sizeof(*indexVars) * strlen(kernel)); | ||
1948 | |||
1949 | i = 0; | ||
1950 | indexVars[i] = strtol(kernel, &chptr, 10); | ||
1951 | while (*chptr == ',') { | ||
1952 | i++; | ||
1953 | kernel = chptr + 1; | ||
1954 | indexVars[i] = strtol(kernel, &chptr, 10); | ||
1955 | } | ||
1956 | |||
1957 | if (*chptr) { | ||
1958 | /* can't parse it, bail */ | ||
1959 | return NULL; | ||
1960 | } | ||
1961 | |||
1962 | indexVars[i + 1] = -1; | ||
1963 | niro | 2718 | |
1964 | niro | 532 | i = 0; |
1965 | if (index) { | ||
1966 | niro | 2718 | while (i < *index) { |
1967 | i++; | ||
1968 | if (indexVars[i] == -1) return NULL; | ||
1969 | } | ||
1970 | niro | 532 | } |
1971 | |||
1972 | entry = findEntryByIndex(config, indexVars[i]); | ||
1973 | if (!entry) return NULL; | ||
1974 | |||
1975 | niro | 2683 | line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines); |
1976 | niro | 532 | if (!line) return NULL; |
1977 | |||
1978 | if (index) *index = indexVars[i]; | ||
1979 | return entry; | ||
1980 | } | ||
1981 | |||
1982 | if (!strcmp(kernel, "DEFAULT")) { | ||
1983 | if (index && *index > config->defaultImage) { | ||
1984 | entry = NULL; | ||
1985 | } else { | ||
1986 | entry = findEntryByIndex(config, config->defaultImage); | ||
1987 | if (entry && entry->skip) | ||
1988 | entry = NULL; | ||
1989 | else if (index) | ||
1990 | *index = config->defaultImage; | ||
1991 | } | ||
1992 | } else if (!strcmp(kernel, "ALL")) { | ||
1993 | if (index) | ||
1994 | i = *index; | ||
1995 | else | ||
1996 | i = 0; | ||
1997 | |||
1998 | while ((entry = findEntryByIndex(config, i))) { | ||
1999 | if (!entry->skip) break; | ||
2000 | i++; | ||
2001 | } | ||
2002 | |||
2003 | if (entry && index) | ||
2004 | *index = i; | ||
2005 | } else { | ||
2006 | if (index) | ||
2007 | i = *index; | ||
2008 | else | ||
2009 | i = 0; | ||
2010 | |||
2011 | if (!strncmp(kernel, "TITLE=", 6)) { | ||
2012 | prefix = ""; | ||
2013 | niro | 1801 | checkType = LT_TITLE|LT_MENUENTRY; |
2014 | niro | 532 | kernel += 6; |
2015 | } | ||
2016 | |||
2017 | niro | 914 | for (entry = findEntryByIndex(config, i); entry; entry = entry->next, i++) { |
2018 | if (entry->skip) continue; | ||
2019 | niro | 532 | |
2020 | niro | 914 | dbgPrintf("findEntryByPath looking for %d %s in %p\n", checkType, kernel, entry); |
2021 | niro | 532 | |
2022 | niro | 914 | /* check all the lines matching checkType */ |
2023 | for (line = entry->lines; line; line = line->next) { | ||
2024 | niro | 2052 | enum lineType_e ct = checkType; |
2025 | if (entry->multiboot && checkType == LT_KERNEL) | ||
2026 | niro | 2683 | ct = LT_KERNEL|LT_KERNEL_EFI|LT_MBMODULE|LT_HYPER|LT_KERNEL_16; |
2027 | niro | 2052 | else if (checkType & LT_KERNEL) |
2028 | niro | 2683 | ct = checkType | LT_KERNEL_EFI | LT_KERNEL_16; |
2029 | niro | 2052 | line = getLineByType(ct, line); |
2030 | if (!line) | ||
2031 | break; /* not found in this entry */ | ||
2032 | niro | 532 | |
2033 | niro | 1801 | if (line && line->type != LT_MENUENTRY && |
2034 | line->numElements >= 2) { | ||
2035 | niro | 914 | rootspec = getRootSpecifier(line->elements[1].item); |
2036 | if (!strcmp(line->elements[1].item + | ||
2037 | ((rootspec != NULL) ? strlen(rootspec) : 0), | ||
2038 | kernel + strlen(prefix))) | ||
2039 | break; | ||
2040 | } | ||
2041 | niro | 1801 | if(line->type == LT_MENUENTRY && |
2042 | !strcmp(line->elements[1].item, kernel)) | ||
2043 | break; | ||
2044 | niro | 914 | } |
2045 | |||
2046 | /* make sure this entry has a kernel identifier; this skips | ||
2047 | * non-Linux boot entries (could find netbsd etc, though, which is | ||
2048 | * unfortunate) | ||
2049 | */ | ||
2050 | niro | 2683 | if (line && getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines)) |
2051 | niro | 914 | break; /* found 'im! */ |
2052 | niro | 532 | } |
2053 | |||
2054 | if (index) *index = i; | ||
2055 | } | ||
2056 | |||
2057 | return entry; | ||
2058 | } | ||
2059 | |||
2060 | niro | 2252 | struct singleEntry * findEntryByTitle(struct grubConfig * cfg, char *title, |
2061 | int * index) { | ||
2062 | struct singleEntry * entry; | ||
2063 | struct singleLine * line; | ||
2064 | int i; | ||
2065 | char * newtitle; | ||
2066 | |||
2067 | for (i = 0, entry = cfg->entries; entry; entry = entry->next, i++) { | ||
2068 | if (index && i < *index) | ||
2069 | continue; | ||
2070 | line = getLineByType(LT_TITLE, entry->lines); | ||
2071 | if (!line) | ||
2072 | line = getLineByType(LT_MENUENTRY, entry->lines); | ||
2073 | if (!line) | ||
2074 | continue; | ||
2075 | newtitle = grub2ExtractTitle(line); | ||
2076 | if (!newtitle) | ||
2077 | continue; | ||
2078 | if (!strcmp(title, newtitle)) | ||
2079 | break; | ||
2080 | } | ||
2081 | |||
2082 | if (!entry) | ||
2083 | return NULL; | ||
2084 | |||
2085 | if (index) | ||
2086 | *index = i; | ||
2087 | return entry; | ||
2088 | } | ||
2089 | |||
2090 | niro | 532 | struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index) { |
2091 | struct singleEntry * entry; | ||
2092 | |||
2093 | entry = cfg->entries; | ||
2094 | while (index && entry) { | ||
2095 | entry = entry->next; | ||
2096 | index--; | ||
2097 | } | ||
2098 | |||
2099 | return entry; | ||
2100 | } | ||
2101 | |||
2102 | /* Find a good template to use for the new kernel. An entry is | ||
2103 | * good if the kernel and mkinitrd exist (even if the entry | ||
2104 | * is going to be removed). Try and use the default entry, but | ||
2105 | * if that doesn't work just take the first. If we can't find one, | ||
2106 | * bail. */ | ||
2107 | struct singleEntry * findTemplate(struct grubConfig * cfg, const char * prefix, | ||
2108 | int * indexPtr, int skipRemoved, int flags) { | ||
2109 | struct singleEntry * entry, * entry2; | ||
2110 | int index; | ||
2111 | |||
2112 | niro | 2252 | if (cfg->cfi->defaultIsSaved) { |
2113 | if (cfg->cfi->getEnv) { | ||
2114 | char *defTitle = cfg->cfi->getEnv(cfg->cfi, "saved_entry"); | ||
2115 | if (defTitle) { | ||
2116 | int index = 0; | ||
2117 | niro | 2258 | if (isnumber(defTitle)) { |
2118 | index = atoi(defTitle); | ||
2119 | entry = findEntryByIndex(cfg, index); | ||
2120 | } else { | ||
2121 | entry = findEntryByTitle(cfg, defTitle, &index); | ||
2122 | } | ||
2123 | if (entry) | ||
2124 | cfg->defaultImage = index; | ||
2125 | niro | 2252 | } |
2126 | } | ||
2127 | } else if (cfg->defaultImage > -1) { | ||
2128 | niro | 532 | entry = findEntryByIndex(cfg, cfg->defaultImage); |
2129 | if (entry && suitableImage(entry, prefix, skipRemoved, flags)) { | ||
2130 | if (indexPtr) *indexPtr = cfg->defaultImage; | ||
2131 | return entry; | ||
2132 | } | ||
2133 | } | ||
2134 | |||
2135 | index = 0; | ||
2136 | while ((entry = findEntryByIndex(cfg, index))) { | ||
2137 | if (suitableImage(entry, prefix, skipRemoved, flags)) { | ||
2138 | int j; | ||
2139 | for (j = 0; j < index; j++) { | ||
2140 | entry2 = findEntryByIndex(cfg, j); | ||
2141 | if (entry2->skip) index--; | ||
2142 | } | ||
2143 | if (indexPtr) *indexPtr = index; | ||
2144 | |||
2145 | return entry; | ||
2146 | } | ||
2147 | |||
2148 | index++; | ||
2149 | } | ||
2150 | |||
2151 | fprintf(stderr, _("grubby fatal error: unable to find a suitable template\n")); | ||
2152 | |||
2153 | return NULL; | ||
2154 | } | ||
2155 | |||
2156 | char * findBootPrefix(void) { | ||
2157 | struct stat sb, sb2; | ||
2158 | |||
2159 | stat("/", &sb); | ||
2160 | #ifdef __ia64__ | ||
2161 | stat("/boot/efi/EFI/redhat/", &sb2); | ||
2162 | #else | ||
2163 | stat("/boot", &sb2); | ||
2164 | #endif | ||
2165 | |||
2166 | if (sb.st_dev == sb2.st_dev) | ||
2167 | return strdup(""); | ||
2168 | |||
2169 | #ifdef __ia64__ | ||
2170 | return strdup("/boot/efi/EFI/redhat/"); | ||
2171 | #else | ||
2172 | return strdup("/boot"); | ||
2173 | #endif | ||
2174 | } | ||
2175 | |||
2176 | void markRemovedImage(struct grubConfig * cfg, const char * image, | ||
2177 | const char * prefix) { | ||
2178 | struct singleEntry * entry; | ||
2179 | |||
2180 | niro | 1801 | if (!image) |
2181 | return; | ||
2182 | niro | 532 | |
2183 | niro | 1801 | /* check and see if we're removing the default image */ |
2184 | if (isdigit(*image)) { | ||
2185 | entry = findEntryByPath(cfg, image, prefix, NULL); | ||
2186 | if(entry) | ||
2187 | entry->skip = 1; | ||
2188 | return; | ||
2189 | } | ||
2190 | |||
2191 | niro | 532 | while ((entry = findEntryByPath(cfg, image, prefix, NULL))) |
2192 | entry->skip = 1; | ||
2193 | } | ||
2194 | |||
2195 | void setDefaultImage(struct grubConfig * config, int hasNew, | ||
2196 | const char * defaultKernelPath, int newIsDefault, | ||
2197 | niro | 1859 | const char * prefix, int flags, int index) { |
2198 | niro | 532 | struct singleEntry * entry, * entry2, * newDefault; |
2199 | int i, j; | ||
2200 | |||
2201 | if (newIsDefault) { | ||
2202 | config->defaultImage = 0; | ||
2203 | return; | ||
2204 | niro | 1859 | } else if ((index >= 0) && config->cfi->defaultIsIndex) { |
2205 | if (findEntryByIndex(config, index)) | ||
2206 | config->defaultImage = index; | ||
2207 | else | ||
2208 | config->defaultImage = -1; | ||
2209 | return; | ||
2210 | niro | 532 | } else if (defaultKernelPath) { |
2211 | i = 0; | ||
2212 | if (findEntryByPath(config, defaultKernelPath, prefix, &i)) { | ||
2213 | config->defaultImage = i; | ||
2214 | } else { | ||
2215 | config->defaultImage = -1; | ||
2216 | return; | ||
2217 | } | ||
2218 | } | ||
2219 | |||
2220 | /* defaultImage now points to what we'd like to use, but before any order | ||
2221 | changes */ | ||
2222 | niro | 1748 | if ((config->defaultImage == DEFAULT_SAVED) || |
2223 | (config->defaultImage == DEFAULT_SAVED_GRUB2)) | ||
2224 | niro | 532 | /* default is set to saved, we don't want to change it */ |
2225 | return; | ||
2226 | |||
2227 | if (config->defaultImage > -1) | ||
2228 | entry = findEntryByIndex(config, config->defaultImage); | ||
2229 | else | ||
2230 | entry = NULL; | ||
2231 | |||
2232 | if (entry && !entry->skip) { | ||
2233 | /* we can preserve the default */ | ||
2234 | if (hasNew) | ||
2235 | config->defaultImage++; | ||
2236 | |||
2237 | /* count the number of entries erased before this one */ | ||
2238 | for (j = 0; j < config->defaultImage; j++) { | ||
2239 | entry2 = findEntryByIndex(config, j); | ||
2240 | if (entry2->skip) config->defaultImage--; | ||
2241 | } | ||
2242 | } else if (hasNew) { | ||
2243 | config->defaultImage = 0; | ||
2244 | } else { | ||
2245 | /* Either we just erased the default (or the default line was bad | ||
2246 | * to begin with) and didn't put a new one in. We'll use the first | ||
2247 | * valid image. */ | ||
2248 | newDefault = findTemplate(config, prefix, &config->defaultImage, 1, | ||
2249 | flags); | ||
2250 | if (!newDefault) | ||
2251 | config->defaultImage = -1; | ||
2252 | } | ||
2253 | } | ||
2254 | |||
2255 | void setFallbackImage(struct grubConfig * config, int hasNew) { | ||
2256 | struct singleEntry * entry, * entry2; | ||
2257 | int j; | ||
2258 | |||
2259 | if (config->fallbackImage == -1) return; | ||
2260 | |||
2261 | entry = findEntryByIndex(config, config->fallbackImage); | ||
2262 | if (!entry || entry->skip) { | ||
2263 | config->fallbackImage = -1; | ||
2264 | return; | ||
2265 | } | ||
2266 | |||
2267 | if (hasNew) | ||
2268 | config->fallbackImage++; | ||
2269 | |||
2270 | /* count the number of entries erased before this one */ | ||
2271 | for (j = 0; j < config->fallbackImage; j++) { | ||
2272 | entry2 = findEntryByIndex(config, j); | ||
2273 | if (entry2->skip) config->fallbackImage--; | ||
2274 | } | ||
2275 | } | ||
2276 | |||
2277 | void displayEntry(struct singleEntry * entry, const char * prefix, int index) { | ||
2278 | struct singleLine * line; | ||
2279 | char * root = NULL; | ||
2280 | int i; | ||
2281 | niro | 2708 | int j; |
2282 | niro | 532 | |
2283 | printf("index=%d\n", index); | ||
2284 | |||
2285 | niro | 2683 | line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines); |
2286 | niro | 914 | if (!line) { |
2287 | printf("non linux entry\n"); | ||
2288 | return; | ||
2289 | } | ||
2290 | |||
2291 | niro | 1849 | if (!strncmp(prefix, line->elements[1].item, strlen(prefix))) |
2292 | printf("kernel=%s\n", line->elements[1].item); | ||
2293 | else | ||
2294 | printf("kernel=%s%s\n", prefix, line->elements[1].item); | ||
2295 | niro | 532 | |
2296 | if (line->numElements >= 3) { | ||
2297 | printf("args=\""); | ||
2298 | i = 2; | ||
2299 | while (i < line->numElements) { | ||
2300 | if (!strncmp(line->elements[i].item, "root=", 5)) { | ||
2301 | root = line->elements[i].item + 5; | ||
2302 | } else { | ||
2303 | printf("%s%s", line->elements[i].item, | ||
2304 | line->elements[i].indent); | ||
2305 | } | ||
2306 | |||
2307 | i++; | ||
2308 | } | ||
2309 | printf("\"\n"); | ||
2310 | } else { | ||
2311 | niro | 914 | line = getLineByType(LT_KERNELARGS, entry->lines); |
2312 | niro | 532 | if (line) { |
2313 | char * s; | ||
2314 | |||
2315 | printf("args=\""); | ||
2316 | i = 1; | ||
2317 | while (i < line->numElements) { | ||
2318 | if (!strncmp(line->elements[i].item, "root=", 5)) { | ||
2319 | root = line->elements[i].item + 5; | ||
2320 | } else { | ||
2321 | s = line->elements[i].item; | ||
2322 | |||
2323 | printf("%s%s", s, line->elements[i].indent); | ||
2324 | } | ||
2325 | |||
2326 | i++; | ||
2327 | } | ||
2328 | |||
2329 | s = line->elements[i - 1].indent; | ||
2330 | printf("\"\n"); | ||
2331 | } | ||
2332 | } | ||
2333 | |||
2334 | if (!root) { | ||
2335 | niro | 914 | line = getLineByType(LT_ROOT, entry->lines); |
2336 | niro | 532 | if (line && line->numElements >= 2) |
2337 | root=line->elements[1].item; | ||
2338 | } | ||
2339 | |||
2340 | if (root) { | ||
2341 | char * s = alloca(strlen(root) + 1); | ||
2342 | |||
2343 | strcpy(s, root); | ||
2344 | if (s[strlen(s) - 1] == '"') | ||
2345 | s[strlen(s) - 1] = '\0'; | ||
2346 | /* make sure the root doesn't have a trailing " */ | ||
2347 | printf("root=%s\n", s); | ||
2348 | } | ||
2349 | |||
2350 | niro | 2683 | line = getLineByType(LT_INITRD|LT_INITRD_EFI|LT_INITRD_16, entry->lines); |
2351 | niro | 532 | |
2352 | if (line && line->numElements >= 2) { | ||
2353 | niro | 1849 | if (!strncmp(prefix, line->elements[1].item, strlen(prefix))) |
2354 | printf("initrd="); | ||
2355 | else | ||
2356 | printf("initrd=%s", prefix); | ||
2357 | |||
2358 | niro | 532 | for (i = 1; i < line->numElements; i++) |
2359 | printf("%s%s", line->elements[i].item, line->elements[i].indent); | ||
2360 | printf("\n"); | ||
2361 | } | ||
2362 | niro | 1751 | |
2363 | line = getLineByType(LT_TITLE, entry->lines); | ||
2364 | if (line) { | ||
2365 | printf("title=%s\n", line->elements[1].item); | ||
2366 | } else { | ||
2367 | char * title; | ||
2368 | line = getLineByType(LT_MENUENTRY, entry->lines); | ||
2369 | title = grub2ExtractTitle(line); | ||
2370 | if (title) | ||
2371 | printf("title=%s\n", title); | ||
2372 | } | ||
2373 | niro | 2708 | |
2374 | for (j = 0, line = entry->lines; line; line = line->next) { | ||
2375 | if ((line->type & LT_MBMODULE) && line->numElements >= 2) { | ||
2376 | if (!strncmp(prefix, line->elements[1].item, strlen(prefix))) | ||
2377 | printf("mbmodule%d=", j); | ||
2378 | else | ||
2379 | printf("mbmodule%d=%s", j, prefix); | ||
2380 | |||
2381 | for (i = 1; i < line->numElements; i++) | ||
2382 | printf("%s%s", line->elements[i].item, line->elements[i].indent); | ||
2383 | printf("\n"); | ||
2384 | j++; | ||
2385 | } | ||
2386 | } | ||
2387 | niro | 532 | } |
2388 | |||
2389 | niro | 1850 | int isSuseSystem(void) { |
2390 | const char * path; | ||
2391 | const static char default_path[] = "/etc/SuSE-release"; | ||
2392 | |||
2393 | if ((path = getenv("GRUBBY_SUSE_RELEASE")) == NULL) | ||
2394 | path = default_path; | ||
2395 | |||
2396 | if (!access(path, R_OK)) | ||
2397 | return 1; | ||
2398 | return 0; | ||
2399 | } | ||
2400 | |||
2401 | int isSuseGrubConf(const char * path) { | ||
2402 | FILE * grubConf; | ||
2403 | char * line = NULL; | ||
2404 | size_t len = 0, res = 0; | ||
2405 | |||
2406 | grubConf = fopen(path, "r"); | ||
2407 | if (!grubConf) { | ||
2408 | dbgPrintf("Could not open SuSE configuration file '%s'\n", path); | ||
2409 | return 0; | ||
2410 | } | ||
2411 | |||
2412 | while ((res = getline(&line, &len, grubConf)) != -1) { | ||
2413 | if (!strncmp(line, "setup", 5)) { | ||
2414 | fclose(grubConf); | ||
2415 | free(line); | ||
2416 | return 1; | ||
2417 | } | ||
2418 | } | ||
2419 | |||
2420 | dbgPrintf("SuSE configuration file '%s' does not appear to be valid\n", | ||
2421 | path); | ||
2422 | |||
2423 | fclose(grubConf); | ||
2424 | free(line); | ||
2425 | return 0; | ||
2426 | } | ||
2427 | |||
2428 | int suseGrubConfGetLba(const char * path, int * lbaPtr) { | ||
2429 | FILE * grubConf; | ||
2430 | char * line = NULL; | ||
2431 | size_t res = 0, len = 0; | ||
2432 | |||
2433 | if (!path) return 1; | ||
2434 | if (!lbaPtr) return 1; | ||
2435 | |||
2436 | grubConf = fopen(path, "r"); | ||
2437 | if (!grubConf) return 1; | ||
2438 | |||
2439 | while ((res = getline(&line, &len, grubConf)) != -1) { | ||
2440 | if (line[res - 1] == '\n') | ||
2441 | line[res - 1] = '\0'; | ||
2442 | else if (len > res) | ||
2443 | line[res] = '\0'; | ||
2444 | else { | ||
2445 | line = realloc(line, res + 1); | ||
2446 | line[res] = '\0'; | ||
2447 | } | ||
2448 | |||
2449 | if (!strncmp(line, "setup", 5)) { | ||
2450 | if (strstr(line, "--force-lba")) { | ||
2451 | *lbaPtr = 1; | ||
2452 | } else { | ||
2453 | *lbaPtr = 0; | ||
2454 | } | ||
2455 | dbgPrintf("lba: %i\n", *lbaPtr); | ||
2456 | break; | ||
2457 | } | ||
2458 | } | ||
2459 | |||
2460 | free(line); | ||
2461 | fclose(grubConf); | ||
2462 | return 0; | ||
2463 | } | ||
2464 | |||
2465 | int suseGrubConfGetInstallDevice(const char * path, char ** devicePtr) { | ||
2466 | FILE * grubConf; | ||
2467 | char * line = NULL; | ||
2468 | size_t res = 0, len = 0; | ||
2469 | char * lastParamPtr = NULL; | ||
2470 | char * secLastParamPtr = NULL; | ||
2471 | char installDeviceNumber = '\0'; | ||
2472 | char * bounds = NULL; | ||
2473 | |||
2474 | if (!path) return 1; | ||
2475 | if (!devicePtr) return 1; | ||
2476 | |||
2477 | grubConf = fopen(path, "r"); | ||
2478 | if (!grubConf) return 1; | ||
2479 | |||
2480 | while ((res = getline(&line, &len, grubConf)) != -1) { | ||
2481 | if (strncmp(line, "setup", 5)) | ||
2482 | continue; | ||
2483 | |||
2484 | if (line[res - 1] == '\n') | ||
2485 | line[res - 1] = '\0'; | ||
2486 | else if (len > res) | ||
2487 | line[res] = '\0'; | ||
2488 | else { | ||
2489 | line = realloc(line, res + 1); | ||
2490 | line[res] = '\0'; | ||
2491 | } | ||
2492 | |||
2493 | lastParamPtr = bounds = line + res; | ||
2494 | |||
2495 | /* Last parameter in grub may be an optional IMAGE_DEVICE */ | ||
2496 | while (!isspace(*lastParamPtr)) | ||
2497 | lastParamPtr--; | ||
2498 | lastParamPtr++; | ||
2499 | |||
2500 | secLastParamPtr = lastParamPtr - 2; | ||
2501 | dbgPrintf("lastParamPtr: %s\n", lastParamPtr); | ||
2502 | |||
2503 | if (lastParamPtr + 3 > bounds) { | ||
2504 | dbgPrintf("lastParamPtr going over boundary"); | ||
2505 | fclose(grubConf); | ||
2506 | free(line); | ||
2507 | return 1; | ||
2508 | } | ||
2509 | if (!strncmp(lastParamPtr, "(hd", 3)) | ||
2510 | lastParamPtr += 3; | ||
2511 | dbgPrintf("lastParamPtr: %c\n", *lastParamPtr); | ||
2512 | |||
2513 | /* | ||
2514 | * Second last parameter will decide wether last parameter is | ||
2515 | * an IMAGE_DEVICE or INSTALL_DEVICE | ||
2516 | */ | ||
2517 | while (!isspace(*secLastParamPtr)) | ||
2518 | secLastParamPtr--; | ||
2519 | secLastParamPtr++; | ||
2520 | |||
2521 | if (secLastParamPtr + 3 > bounds) { | ||
2522 | dbgPrintf("secLastParamPtr going over boundary"); | ||
2523 | fclose(grubConf); | ||
2524 | free(line); | ||
2525 | return 1; | ||
2526 | } | ||
2527 | dbgPrintf("secLastParamPtr: %s\n", secLastParamPtr); | ||
2528 | if (!strncmp(secLastParamPtr, "(hd", 3)) { | ||
2529 | secLastParamPtr += 3; | ||
2530 | dbgPrintf("secLastParamPtr: %c\n", *secLastParamPtr); | ||
2531 | installDeviceNumber = *secLastParamPtr; | ||
2532 | } else { | ||
2533 | installDeviceNumber = *lastParamPtr; | ||
2534 | } | ||
2535 | |||
2536 | *devicePtr = malloc(6); | ||
2537 | snprintf(*devicePtr, 6, "(hd%c)", installDeviceNumber); | ||
2538 | dbgPrintf("installDeviceNumber: %c\n", installDeviceNumber); | ||
2539 | fclose(grubConf); | ||
2540 | free(line); | ||
2541 | return 0; | ||
2542 | } | ||
2543 | |||
2544 | free(line); | ||
2545 | fclose(grubConf); | ||
2546 | return 1; | ||
2547 | } | ||
2548 | |||
2549 | int grubGetBootFromDeviceMap(const char * device, | ||
2550 | char ** bootPtr) { | ||
2551 | FILE * deviceMap; | ||
2552 | char * line = NULL; | ||
2553 | size_t res = 0, len = 0; | ||
2554 | char * devicePtr; | ||
2555 | char * bounds = NULL; | ||
2556 | const char * path; | ||
2557 | const static char default_path[] = "/boot/grub/device.map"; | ||
2558 | |||
2559 | if (!device) return 1; | ||
2560 | if (!bootPtr) return 1; | ||
2561 | |||
2562 | if ((path = getenv("GRUBBY_GRUB_DEVICE_MAP")) == NULL) | ||
2563 | path = default_path; | ||
2564 | |||
2565 | dbgPrintf("opening grub device.map file from: %s\n", path); | ||
2566 | deviceMap = fopen(path, "r"); | ||
2567 | if (!deviceMap) | ||
2568 | return 1; | ||
2569 | |||
2570 | while ((res = getline(&line, &len, deviceMap)) != -1) { | ||
2571 | if (!strncmp(line, "#", 1)) | ||
2572 | continue; | ||
2573 | |||
2574 | if (line[res - 1] == '\n') | ||
2575 | line[res - 1] = '\0'; | ||
2576 | else if (len > res) | ||
2577 | line[res] = '\0'; | ||
2578 | else { | ||
2579 | line = realloc(line, res + 1); | ||
2580 | line[res] = '\0'; | ||
2581 | } | ||
2582 | |||
2583 | devicePtr = line; | ||
2584 | bounds = line + res; | ||
2585 | |||
2586 | while ((isspace(*line) && ((devicePtr + 1) <= bounds))) | ||
2587 | devicePtr++; | ||
2588 | dbgPrintf("device: %s\n", devicePtr); | ||
2589 | |||
2590 | if (!strncmp(devicePtr, device, strlen(device))) { | ||
2591 | devicePtr += strlen(device); | ||
2592 | while (isspace(*devicePtr) && ((devicePtr + 1) <= bounds)) | ||
2593 | devicePtr++; | ||
2594 | |||
2595 | *bootPtr = strdup(devicePtr); | ||
2596 | break; | ||
2597 | } | ||
2598 | } | ||
2599 | |||
2600 | free(line); | ||
2601 | fclose(deviceMap); | ||
2602 | return 0; | ||
2603 | } | ||
2604 | |||
2605 | int suseGrubConfGetBoot(const char * path, char ** bootPtr) { | ||
2606 | char * grubDevice; | ||
2607 | |||
2608 | if (suseGrubConfGetInstallDevice(path, &grubDevice)) | ||
2609 | dbgPrintf("error looking for grub installation device\n"); | ||
2610 | else | ||
2611 | dbgPrintf("grubby installation device: %s\n", grubDevice); | ||
2612 | |||
2613 | if (grubGetBootFromDeviceMap(grubDevice, bootPtr)) | ||
2614 | dbgPrintf("error looking for grub boot device\n"); | ||
2615 | else | ||
2616 | dbgPrintf("grubby boot device: %s\n", *bootPtr); | ||
2617 | |||
2618 | free(grubDevice); | ||
2619 | return 0; | ||
2620 | } | ||
2621 | |||
2622 | int parseSuseGrubConf(int * lbaPtr, char ** bootPtr) { | ||
2623 | /* | ||
2624 | * This SuSE grub configuration file at this location is not your average | ||
2625 | * grub configuration file, but instead the grub commands used to setup | ||
2626 | * grub on that system. | ||
2627 | */ | ||
2628 | const char * path; | ||
2629 | const static char default_path[] = "/etc/grub.conf"; | ||
2630 | |||
2631 | if ((path = getenv("GRUBBY_SUSE_GRUB_CONF")) == NULL) | ||
2632 | path = default_path; | ||
2633 | |||
2634 | if (!isSuseGrubConf(path)) return 1; | ||
2635 | |||
2636 | if (lbaPtr) { | ||
2637 | *lbaPtr = 0; | ||
2638 | if (suseGrubConfGetLba(path, lbaPtr)) | ||
2639 | return 1; | ||
2640 | } | ||
2641 | |||
2642 | if (bootPtr) { | ||
2643 | *bootPtr = NULL; | ||
2644 | suseGrubConfGetBoot(path, bootPtr); | ||
2645 | } | ||
2646 | |||
2647 | return 0; | ||
2648 | } | ||
2649 | |||
2650 | niro | 532 | int parseSysconfigGrub(int * lbaPtr, char ** bootPtr) { |
2651 | FILE * in; | ||
2652 | char buf[1024]; | ||
2653 | char * chptr; | ||
2654 | char * start; | ||
2655 | char * param; | ||
2656 | |||
2657 | niro | 926 | in = fopen("/etc/conf.d/grub", "r"); |
2658 | niro | 532 | if (!in) return 1; |
2659 | |||
2660 | if (lbaPtr) *lbaPtr = 0; | ||
2661 | if (bootPtr) *bootPtr = NULL; | ||
2662 | |||
2663 | while (fgets(buf, sizeof(buf), in)) { | ||
2664 | start = buf; | ||
2665 | while (isspace(*start)) start++; | ||
2666 | if (*start == '#') continue; | ||
2667 | |||
2668 | chptr = strchr(start, '='); | ||
2669 | if (!chptr) continue; | ||
2670 | chptr--; | ||
2671 | while (*chptr && isspace(*chptr)) chptr--; | ||
2672 | chptr++; | ||
2673 | *chptr = '\0'; | ||
2674 | |||
2675 | param = chptr + 1; | ||
2676 | while (*param && isspace(*param)) param++; | ||
2677 | if (*param == '=') { | ||
2678 | param++; | ||
2679 | while (*param && isspace(*param)) param++; | ||
2680 | } | ||
2681 | |||
2682 | chptr = param; | ||
2683 | while (*chptr && !isspace(*chptr)) chptr++; | ||
2684 | *chptr = '\0'; | ||
2685 | |||
2686 | if (!strcmp(start, "forcelba") && !strcmp(param, "1") && lbaPtr) | ||
2687 | *lbaPtr = 1; | ||
2688 | else if (!strcmp(start, "boot") && bootPtr) | ||
2689 | *bootPtr = strdup(param); | ||
2690 | } | ||
2691 | |||
2692 | fclose(in); | ||
2693 | |||
2694 | return 0; | ||
2695 | } | ||
2696 | |||
2697 | void dumpSysconfigGrub(void) { | ||
2698 | niro | 1850 | char * boot = NULL; |
2699 | niro | 532 | int lba; |
2700 | |||
2701 | niro | 1851 | if (isSuseSystem()) { |
2702 | if (parseSuseGrubConf(&lba, &boot)) { | ||
2703 | niro | 1850 | free(boot); |
2704 | return; | ||
2705 | } | ||
2706 | } else { | ||
2707 | niro | 1851 | if (parseSysconfigGrub(&lba, &boot)) { |
2708 | niro | 1850 | free(boot); |
2709 | return; | ||
2710 | } | ||
2711 | niro | 532 | } |
2712 | niro | 1850 | |
2713 | if (lba) printf("lba\n"); | ||
2714 | if (boot) { | ||
2715 | printf("boot=%s\n", boot); | ||
2716 | free(boot); | ||
2717 | } | ||
2718 | niro | 532 | } |
2719 | |||
2720 | int displayInfo(struct grubConfig * config, char * kernel, | ||
2721 | const char * prefix) { | ||
2722 | int i = 0; | ||
2723 | struct singleEntry * entry; | ||
2724 | struct singleLine * line; | ||
2725 | |||
2726 | entry = findEntryByPath(config, kernel, prefix, &i); | ||
2727 | if (!entry) { | ||
2728 | fprintf(stderr, _("grubby: kernel not found\n")); | ||
2729 | return 1; | ||
2730 | } | ||
2731 | |||
2732 | niro | 926 | /* this is a horrible hack to support /etc/conf.d/grub; there must |
2733 | niro | 532 | be a better way */ |
2734 | if (config->cfi == &grubConfigType) { | ||
2735 | dumpSysconfigGrub(); | ||
2736 | } else { | ||
2737 | niro | 914 | line = getLineByType(LT_BOOT, config->theLines); |
2738 | niro | 532 | if (line && line->numElements >= 1) { |
2739 | printf("boot=%s\n", line->elements[1].item); | ||
2740 | } | ||
2741 | |||
2742 | niro | 914 | line = getLineByType(LT_LBA, config->theLines); |
2743 | niro | 532 | if (line) printf("lba\n"); |
2744 | } | ||
2745 | |||
2746 | displayEntry(entry, prefix, i); | ||
2747 | |||
2748 | i++; | ||
2749 | while ((entry = findEntryByPath(config, kernel, prefix, &i))) { | ||
2750 | displayEntry(entry, prefix, i); | ||
2751 | i++; | ||
2752 | } | ||
2753 | |||
2754 | return 0; | ||
2755 | } | ||
2756 | |||
2757 | niro | 914 | struct singleLine * addLineTmpl(struct singleEntry * entry, |
2758 | struct singleLine * tmplLine, | ||
2759 | struct singleLine * prevLine, | ||
2760 | const char * val, | ||
2761 | struct configFileInfo * cfi) | ||
2762 | { | ||
2763 | struct singleLine * newLine = lineDup(tmplLine); | ||
2764 | |||
2765 | niro | 1940 | if (isEfi && cfi == &grub2ConfigType) { |
2766 | enum lineType_e old = newLine->type; | ||
2767 | newLine->type = preferredLineType(newLine->type, cfi); | ||
2768 | if (old != newLine->type) | ||
2769 | newLine->elements[0].item = getKeyByType(newLine->type, cfi); | ||
2770 | } | ||
2771 | |||
2772 | niro | 914 | if (val) { |
2773 | /* override the inherited value with our own. | ||
2774 | * This is a little weak because it only applies to elements[1] | ||
2775 | */ | ||
2776 | if (newLine->numElements > 1) | ||
2777 | removeElement(newLine, 1); | ||
2778 | insertElement(newLine, val, 1, cfi); | ||
2779 | |||
2780 | /* but try to keep the rootspec from the template... sigh */ | ||
2781 | 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)) { |
2782 | niro | 914 | char * rootspec = getRootSpecifier(tmplLine->elements[1].item); |
2783 | if (rootspec != NULL) { | ||
2784 | free(newLine->elements[1].item); | ||
2785 | newLine->elements[1].item = | ||
2786 | sdupprintf("%s%s", rootspec, val); | ||
2787 | } | ||
2788 | } | ||
2789 | } | ||
2790 | |||
2791 | dbgPrintf("addLineTmpl(%s)\n", newLine->numElements ? | ||
2792 | newLine->elements[0].item : ""); | ||
2793 | |||
2794 | if (!entry->lines) { | ||
2795 | /* first one on the list */ | ||
2796 | entry->lines = newLine; | ||
2797 | } else if (prevLine) { | ||
2798 | /* add after prevLine */ | ||
2799 | newLine->next = prevLine->next; | ||
2800 | prevLine->next = newLine; | ||
2801 | } | ||
2802 | |||
2803 | return newLine; | ||
2804 | } | ||
2805 | |||
2806 | niro | 532 | /* val may be NULL */ |
2807 | struct singleLine * addLine(struct singleEntry * entry, | ||
2808 | struct configFileInfo * cfi, | ||
2809 | niro | 914 | enum lineType_e type, char * defaultIndent, |
2810 | const char * val) { | ||
2811 | niro | 532 | struct singleLine * line, * prev; |
2812 | niro | 914 | struct keywordTypes * kw; |
2813 | struct singleLine tmpl; | ||
2814 | niro | 532 | |
2815 | niro | 914 | /* NB: This function shouldn't allocate items on the heap, rather on the |
2816 | * stack since it calls addLineTmpl which will make copies. | ||
2817 | */ | ||
2818 | if (type == LT_TITLE && cfi->titleBracketed) { | ||
2819 | /* we're doing a bracketed title (zipl) */ | ||
2820 | tmpl.type = type; | ||
2821 | tmpl.numElements = 1; | ||
2822 | tmpl.elements = alloca(sizeof(*tmpl.elements)); | ||
2823 | tmpl.elements[0].item = alloca(strlen(val)+3); | ||
2824 | sprintf(tmpl.elements[0].item, "[%s]", val); | ||
2825 | tmpl.elements[0].indent = ""; | ||
2826 | val = NULL; | ||
2827 | niro | 1696 | } else if (type == LT_MENUENTRY) { |
2828 | char *lineend = "--class gnu-linux --class gnu --class os {"; | ||
2829 | if (!val) { | ||
2830 | fprintf(stderr, "Line type LT_MENUENTRY requires a value\n"); | ||
2831 | abort(); | ||
2832 | } | ||
2833 | kw = getKeywordByType(type, cfi); | ||
2834 | if (!kw) { | ||
2835 | fprintf(stderr, "Looking up keyword for unknown type %d\n", type); | ||
2836 | abort(); | ||
2837 | } | ||
2838 | tmpl.indent = ""; | ||
2839 | tmpl.type = type; | ||
2840 | tmpl.numElements = 3; | ||
2841 | tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements); | ||
2842 | tmpl.elements[0].item = kw->key; | ||
2843 | tmpl.elements[0].indent = alloca(2); | ||
2844 | sprintf(tmpl.elements[0].indent, "%c", kw->nextChar); | ||
2845 | tmpl.elements[1].item = (char *)val; | ||
2846 | tmpl.elements[1].indent = alloca(2); | ||
2847 | sprintf(tmpl.elements[1].indent, "%c", kw->nextChar); | ||
2848 | tmpl.elements[2].item = alloca(strlen(lineend)+1); | ||
2849 | strcpy(tmpl.elements[2].item, lineend); | ||
2850 | tmpl.elements[2].indent = ""; | ||
2851 | niro | 914 | } else { |
2852 | kw = getKeywordByType(type, cfi); | ||
2853 | niro | 1696 | if (!kw) { |
2854 | fprintf(stderr, "Looking up keyword for unknown type %d\n", type); | ||
2855 | abort(); | ||
2856 | } | ||
2857 | niro | 914 | tmpl.type = type; |
2858 | tmpl.numElements = val ? 2 : 1; | ||
2859 | tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements); | ||
2860 | tmpl.elements[0].item = kw->key; | ||
2861 | tmpl.elements[0].indent = alloca(2); | ||
2862 | sprintf(tmpl.elements[0].indent, "%c", kw->nextChar); | ||
2863 | if (val) { | ||
2864 | tmpl.elements[1].item = (char *)val; | ||
2865 | tmpl.elements[1].indent = ""; | ||
2866 | } | ||
2867 | } | ||
2868 | |||
2869 | niro | 532 | /* The last non-empty line gives us the indention to us and the line |
2870 | to insert after. Note that comments are considered empty lines, which | ||
2871 | may not be ideal? If there are no lines or we are looking at the | ||
2872 | first line, we use defaultIndent (the first line is normally indented | ||
2873 | differently from the rest) */ | ||
2874 | niro | 914 | for (line = entry->lines, prev = NULL; line; line = line->next) { |
2875 | if (line->numElements) prev = line; | ||
2876 | /* fall back on the last line if prev isn't otherwise set */ | ||
2877 | if (!line->next && !prev) prev = line; | ||
2878 | niro | 532 | } |
2879 | |||
2880 | niro | 1696 | struct singleLine *menuEntry; |
2881 | menuEntry = getLineByType(LT_MENUENTRY, entry->lines); | ||
2882 | if (tmpl.type == LT_ENTRY_END) { | ||
2883 | if (menuEntry) | ||
2884 | tmpl.indent = menuEntry->indent; | ||
2885 | else | ||
2886 | tmpl.indent = defaultIndent ?: ""; | ||
2887 | } else if (tmpl.type != LT_MENUENTRY) { | ||
2888 | if (menuEntry) | ||
2889 | tmpl.indent = "\t"; | ||
2890 | else if (prev == entry->lines) | ||
2891 | tmpl.indent = defaultIndent ?: ""; | ||
2892 | else | ||
2893 | tmpl.indent = prev->indent; | ||
2894 | } | ||
2895 | niro | 532 | |
2896 | niro | 914 | return addLineTmpl(entry, &tmpl, prev, val, cfi); |
2897 | niro | 532 | } |
2898 | |||
2899 | void removeLine(struct singleEntry * entry, struct singleLine * line) { | ||
2900 | struct singleLine * prev; | ||
2901 | int i; | ||
2902 | |||
2903 | for (i = 0; i < line->numElements; i++) { | ||
2904 | free(line->elements[i].item); | ||
2905 | free(line->elements[i].indent); | ||
2906 | } | ||
2907 | free(line->elements); | ||
2908 | free(line->indent); | ||
2909 | |||
2910 | if (line == entry->lines) { | ||
2911 | entry->lines = line->next; | ||
2912 | } else { | ||
2913 | prev = entry->lines; | ||
2914 | while (prev->next != line) prev = prev->next; | ||
2915 | prev->next = line->next; | ||
2916 | } | ||
2917 | |||
2918 | free(line); | ||
2919 | } | ||
2920 | |||
2921 | niro | 1696 | static void requote(struct singleLine *tmplLine, struct configFileInfo * cfi) |
2922 | { | ||
2923 | struct singleLine newLine = { | ||
2924 | .indent = tmplLine->indent, | ||
2925 | .type = tmplLine->type, | ||
2926 | .next = tmplLine->next, | ||
2927 | }; | ||
2928 | int firstQuotedItem = -1; | ||
2929 | int quoteLen = 0; | ||
2930 | int j; | ||
2931 | int element = 0; | ||
2932 | char *c; | ||
2933 | |||
2934 | c = malloc(strlen(tmplLine->elements[0].item) + 1); | ||
2935 | strcpy(c, tmplLine->elements[0].item); | ||
2936 | insertElement(&newLine, c, element++, cfi); | ||
2937 | free(c); | ||
2938 | c = NULL; | ||
2939 | |||
2940 | for (j = 1; j < tmplLine->numElements; j++) { | ||
2941 | if (firstQuotedItem == -1) { | ||
2942 | quoteLen += strlen(tmplLine->elements[j].item); | ||
2943 | |||
2944 | if (isquote(tmplLine->elements[j].item[0])) { | ||
2945 | firstQuotedItem = j; | ||
2946 | quoteLen += strlen(tmplLine->elements[j].indent); | ||
2947 | } else { | ||
2948 | c = malloc(quoteLen + 1); | ||
2949 | strcpy(c, tmplLine->elements[j].item); | ||
2950 | insertElement(&newLine, c, element++, cfi); | ||
2951 | free(c); | ||
2952 | quoteLen = 0; | ||
2953 | } | ||
2954 | } else { | ||
2955 | int itemlen = strlen(tmplLine->elements[j].item); | ||
2956 | quoteLen += itemlen; | ||
2957 | quoteLen += strlen(tmplLine->elements[j].indent); | ||
2958 | |||
2959 | if (isquote(tmplLine->elements[j].item[itemlen - 1])) { | ||
2960 | c = malloc(quoteLen + 1); | ||
2961 | c[0] = '\0'; | ||
2962 | for (int i = firstQuotedItem; i < j+1; i++) { | ||
2963 | strcat(c, tmplLine->elements[i].item); | ||
2964 | strcat(c, tmplLine->elements[i].indent); | ||
2965 | } | ||
2966 | insertElement(&newLine, c, element++, cfi); | ||
2967 | free(c); | ||
2968 | |||
2969 | firstQuotedItem = -1; | ||
2970 | quoteLen = 0; | ||
2971 | } | ||
2972 | } | ||
2973 | } | ||
2974 | while (tmplLine->numElements) | ||
2975 | removeElement(tmplLine, 0); | ||
2976 | if (tmplLine->elements) | ||
2977 | free(tmplLine->elements); | ||
2978 | |||
2979 | tmplLine->numElements = newLine.numElements; | ||
2980 | tmplLine->elements = newLine.elements; | ||
2981 | } | ||
2982 | |||
2983 | niro | 914 | static void insertElement(struct singleLine * line, |
2984 | const char * item, int insertHere, | ||
2985 | struct configFileInfo * cfi) | ||
2986 | { | ||
2987 | struct keywordTypes * kw; | ||
2988 | char indent[2] = ""; | ||
2989 | |||
2990 | /* sanity check */ | ||
2991 | if (insertHere > line->numElements) { | ||
2992 | dbgPrintf("insertElement() adjusting insertHere from %d to %d\n", | ||
2993 | insertHere, line->numElements); | ||
2994 | insertHere = line->numElements; | ||
2995 | } | ||
2996 | |||
2997 | line->elements = realloc(line->elements, (line->numElements + 1) * | ||
2998 | sizeof(*line->elements)); | ||
2999 | memmove(&line->elements[insertHere+1], | ||
3000 | &line->elements[insertHere], | ||
3001 | (line->numElements - insertHere) * | ||
3002 | sizeof(*line->elements)); | ||
3003 | line->elements[insertHere].item = strdup(item); | ||
3004 | |||
3005 | kw = getKeywordByType(line->type, cfi); | ||
3006 | |||
3007 | if (line->numElements == 0) { | ||
3008 | indent[0] = '\0'; | ||
3009 | } else if (insertHere == 0) { | ||
3010 | indent[0] = kw->nextChar; | ||
3011 | } else if (kw->separatorChar != '\0') { | ||
3012 | indent[0] = kw->separatorChar; | ||
3013 | } else { | ||
3014 | indent[0] = ' '; | ||
3015 | } | ||
3016 | |||
3017 | if (insertHere > 0 && line->elements[insertHere-1].indent[0] == '\0') { | ||
3018 | /* move the end-of-line forward */ | ||
3019 | line->elements[insertHere].indent = | ||
3020 | line->elements[insertHere-1].indent; | ||
3021 | line->elements[insertHere-1].indent = strdup(indent); | ||
3022 | } else { | ||
3023 | line->elements[insertHere].indent = strdup(indent); | ||
3024 | } | ||
3025 | |||
3026 | line->numElements++; | ||
3027 | |||
3028 | dbgPrintf("insertElement(%s, '%s%s', %d)\n", | ||
3029 | line->elements[0].item, | ||
3030 | line->elements[insertHere].item, | ||
3031 | line->elements[insertHere].indent, | ||
3032 | insertHere); | ||
3033 | } | ||
3034 | |||
3035 | static void removeElement(struct singleLine * line, int removeHere) { | ||
3036 | int i; | ||
3037 | |||
3038 | /* sanity check */ | ||
3039 | if (removeHere >= line->numElements) return; | ||
3040 | |||
3041 | dbgPrintf("removeElement(%s, %d:%s)\n", line->elements[0].item, | ||
3042 | removeHere, line->elements[removeHere].item); | ||
3043 | |||
3044 | free(line->elements[removeHere].item); | ||
3045 | |||
3046 | if (removeHere > 1) { | ||
3047 | /* previous argument gets this argument's post-indentation */ | ||
3048 | free(line->elements[removeHere-1].indent); | ||
3049 | line->elements[removeHere-1].indent = | ||
3050 | line->elements[removeHere].indent; | ||
3051 | } else { | ||
3052 | free(line->elements[removeHere].indent); | ||
3053 | } | ||
3054 | |||
3055 | /* now collapse the array, but don't bother to realloc smaller */ | ||
3056 | for (i = removeHere; i < line->numElements - 1; i++) | ||
3057 | line->elements[i] = line->elements[i + 1]; | ||
3058 | |||
3059 | line->numElements--; | ||
3060 | } | ||
3061 | |||
3062 | niro | 532 | int argMatch(const char * one, const char * two) { |
3063 | char * first, * second; | ||
3064 | char * chptr; | ||
3065 | |||
3066 | first = strcpy(alloca(strlen(one) + 1), one); | ||
3067 | second = strcpy(alloca(strlen(two) + 1), two); | ||
3068 | |||
3069 | chptr = strchr(first, '='); | ||
3070 | if (chptr) *chptr = '\0'; | ||
3071 | |||
3072 | chptr = strchr(second, '='); | ||
3073 | if (chptr) *chptr = '\0'; | ||
3074 | |||
3075 | return strcmp(first, second); | ||
3076 | } | ||
3077 | |||
3078 | int updateActualImage(struct grubConfig * cfg, const char * image, | ||
3079 | const char * prefix, const char * addArgs, | ||
3080 | const char * removeArgs, int multibootArgs) { | ||
3081 | struct singleEntry * entry; | ||
3082 | struct singleLine * line, * rootLine; | ||
3083 | int index = 0; | ||
3084 | niro | 914 | int i, k; |
3085 | niro | 532 | const char ** newArgs, ** oldArgs; |
3086 | const char ** arg; | ||
3087 | niro | 914 | int useKernelArgs, useRoot; |
3088 | niro | 532 | int firstElement; |
3089 | niro | 1304 | int *usedElements; |
3090 | niro | 914 | int doreplace; |
3091 | niro | 532 | |
3092 | if (!image) return 0; | ||
3093 | |||
3094 | if (!addArgs) { | ||
3095 | newArgs = malloc(sizeof(*newArgs)); | ||
3096 | *newArgs = NULL; | ||
3097 | } else { | ||
3098 | if (poptParseArgvString(addArgs, NULL, &newArgs)) { | ||
3099 | fprintf(stderr, | ||
3100 | _("grubby: error separating arguments '%s'\n"), addArgs); | ||
3101 | return 1; | ||
3102 | } | ||
3103 | } | ||
3104 | |||
3105 | if (!removeArgs) { | ||
3106 | oldArgs = malloc(sizeof(*oldArgs)); | ||
3107 | *oldArgs = NULL; | ||
3108 | } else { | ||
3109 | if (poptParseArgvString(removeArgs, NULL, &oldArgs)) { | ||
3110 | fprintf(stderr, | ||
3111 | _("grubby: error separating arguments '%s'\n"), removeArgs); | ||
3112 | free(newArgs); | ||
3113 | return 1; | ||
3114 | } | ||
3115 | } | ||
3116 | |||
3117 | |||
3118 | niro | 914 | useKernelArgs = (getKeywordByType(LT_KERNELARGS, cfg->cfi) |
3119 | && (!multibootArgs || cfg->cfi->mbConcatArgs)); | ||
3120 | niro | 532 | |
3121 | niro | 914 | useRoot = (getKeywordByType(LT_ROOT, cfg->cfi) |
3122 | && !multibootArgs); | ||
3123 | niro | 532 | |
3124 | niro | 914 | for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
3125 | niro | 532 | |
3126 | niro | 914 | if (multibootArgs && !entry->multiboot) |
3127 | continue; | ||
3128 | niro | 532 | |
3129 | niro | 914 | /* Determine where to put the args. If this config supports |
3130 | * LT_KERNELARGS, use that. Otherwise use | ||
3131 | * LT_HYPER/LT_KERNEL/LT_MBMODULE lines. | ||
3132 | */ | ||
3133 | if (useKernelArgs) { | ||
3134 | line = getLineByType(LT_KERNELARGS, entry->lines); | ||
3135 | if (!line) { | ||
3136 | /* no LT_KERNELARGS, need to add it */ | ||
3137 | line = addLine(entry, cfg->cfi, LT_KERNELARGS, | ||
3138 | cfg->secondaryIndent, NULL); | ||
3139 | } | ||
3140 | firstElement = 1; | ||
3141 | niro | 532 | |
3142 | niro | 914 | } else if (multibootArgs) { |
3143 | line = getLineByType(LT_HYPER, entry->lines); | ||
3144 | if (!line) { | ||
3145 | /* a multiboot entry without LT_HYPER? */ | ||
3146 | continue; | ||
3147 | } | ||
3148 | firstElement = 2; | ||
3149 | |||
3150 | } else { | ||
3151 | niro | 2683 | line = getLineByType(LT_KERNEL|LT_MBMODULE|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines); |
3152 | niro | 914 | if (!line) { |
3153 | /* no LT_KERNEL or LT_MBMODULE in this entry? */ | ||
3154 | continue; | ||
3155 | } | ||
3156 | firstElement = 2; | ||
3157 | niro | 532 | } |
3158 | |||
3159 | niro | 914 | /* handle the elilo case which does: |
3160 | * append="hypervisor args -- kernel args" | ||
3161 | */ | ||
3162 | if (entry->multiboot && cfg->cfi->mbConcatArgs) { | ||
3163 | /* this is a multiboot entry, make sure there's | ||
3164 | * -- on the args line | ||
3165 | */ | ||
3166 | for (i = firstElement; i < line->numElements; i++) { | ||
3167 | if (!strcmp(line->elements[i].item, "--")) | ||
3168 | break; | ||
3169 | } | ||
3170 | if (i == line->numElements) { | ||
3171 | /* assume all existing args are kernel args, | ||
3172 | * prepend -- to make it official | ||
3173 | */ | ||
3174 | insertElement(line, "--", firstElement, cfg->cfi); | ||
3175 | i = firstElement; | ||
3176 | } | ||
3177 | if (!multibootArgs) { | ||
3178 | /* kernel args start after the -- */ | ||
3179 | firstElement = i + 1; | ||
3180 | } | ||
3181 | } else if (cfg->cfi->mbConcatArgs) { | ||
3182 | /* this is a non-multiboot entry, remove hyper args */ | ||
3183 | for (i = firstElement; i < line->numElements; i++) { | ||
3184 | if (!strcmp(line->elements[i].item, "--")) | ||
3185 | break; | ||
3186 | } | ||
3187 | if (i < line->numElements) { | ||
3188 | /* remove args up to -- */ | ||
3189 | while (strcmp(line->elements[firstElement].item, "--")) | ||
3190 | removeElement(line, firstElement); | ||
3191 | /* remove -- */ | ||
3192 | removeElement(line, firstElement); | ||
3193 | } | ||
3194 | niro | 532 | } |
3195 | |||
3196 | niro | 914 | usedElements = calloc(line->numElements, sizeof(*usedElements)); |
3197 | niro | 532 | |
3198 | niro | 914 | for (k = 0, arg = newArgs; *arg; arg++, k++) { |
3199 | |||
3200 | doreplace = 1; | ||
3201 | niro | 532 | for (i = firstElement; i < line->numElements; i++) { |
3202 | niro | 914 | if (multibootArgs && cfg->cfi->mbConcatArgs && |
3203 | !strcmp(line->elements[i].item, "--")) | ||
3204 | { | ||
3205 | /* reached the end of hyper args, insert here */ | ||
3206 | doreplace = 0; | ||
3207 | break; | ||
3208 | } | ||
3209 | niro | 532 | if (usedElements[i]) |
3210 | continue; | ||
3211 | if (!argMatch(line->elements[i].item, *arg)) { | ||
3212 | usedElements[i]=1; | ||
3213 | break; | ||
3214 | } | ||
3215 | } | ||
3216 | |||
3217 | niro | 914 | if (i < line->numElements && doreplace) { |
3218 | /* direct replacement */ | ||
3219 | niro | 532 | free(line->elements[i].item); |
3220 | line->elements[i].item = strdup(*arg); | ||
3221 | |||
3222 | niro | 914 | } else if (useRoot && !strncmp(*arg, "root=/dev/", 10)) { |
3223 | /* root= replacement */ | ||
3224 | rootLine = getLineByType(LT_ROOT, entry->lines); | ||
3225 | if (rootLine) { | ||
3226 | free(rootLine->elements[1].item); | ||
3227 | rootLine->elements[1].item = strdup(*arg + 5); | ||
3228 | niro | 532 | } else { |
3229 | niro | 914 | rootLine = addLine(entry, cfg->cfi, LT_ROOT, |
3230 | cfg->secondaryIndent, *arg + 5); | ||
3231 | niro | 532 | } |
3232 | niro | 914 | } |
3233 | niro | 532 | |
3234 | niro | 914 | else { |
3235 | /* insert/append */ | ||
3236 | insertElement(line, *arg, i, cfg->cfi); | ||
3237 | usedElements = realloc(usedElements, line->numElements * | ||
3238 | sizeof(*usedElements)); | ||
3239 | memmove(&usedElements[i + 1], &usedElements[i], | ||
3240 | line->numElements - i - 1); | ||
3241 | usedElements[i] = 1; | ||
3242 | niro | 532 | |
3243 | /* if we updated a root= here even though there is a | ||
3244 | LT_ROOT available we need to remove the LT_ROOT entry | ||
3245 | (this will happen if we switch from a device to a label) */ | ||
3246 | if (useRoot && !strncmp(*arg, "root=", 5)) { | ||
3247 | niro | 914 | rootLine = getLineByType(LT_ROOT, entry->lines); |
3248 | if (rootLine) | ||
3249 | niro | 532 | removeLine(entry, rootLine); |
3250 | } | ||
3251 | } | ||
3252 | } | ||
3253 | |||
3254 | free(usedElements); | ||
3255 | |||
3256 | for (arg = oldArgs; *arg; arg++) { | ||
3257 | niro | 914 | for (i = firstElement; i < line->numElements; i++) { |
3258 | if (multibootArgs && cfg->cfi->mbConcatArgs && | ||
3259 | !strcmp(line->elements[i].item, "--")) | ||
3260 | /* reached the end of hyper args, stop here */ | ||
3261 | niro | 532 | break; |
3262 | niro | 914 | if (!argMatch(line->elements[i].item, *arg)) { |
3263 | removeElement(line, i); | ||
3264 | break; | ||
3265 | niro | 532 | } |
3266 | } | ||
3267 | niro | 914 | /* handle removing LT_ROOT line too */ |
3268 | if (useRoot && !strncmp(*arg, "root=", 5)) { | ||
3269 | rootLine = getLineByType(LT_ROOT, entry->lines); | ||
3270 | if (rootLine) | ||
3271 | removeLine(entry, rootLine); | ||
3272 | } | ||
3273 | niro | 532 | } |
3274 | |||
3275 | if (line->numElements == 1) { | ||
3276 | /* don't need the line at all (note it has to be a | ||
3277 | LT_KERNELARGS for this to happen */ | ||
3278 | removeLine(entry, line); | ||
3279 | } | ||
3280 | } | ||
3281 | |||
3282 | free(newArgs); | ||
3283 | free(oldArgs); | ||
3284 | |||
3285 | return 0; | ||
3286 | } | ||
3287 | |||
3288 | int updateImage(struct grubConfig * cfg, const char * image, | ||
3289 | const char * prefix, const char * addArgs, | ||
3290 | const char * removeArgs, | ||
3291 | const char * addMBArgs, const char * removeMBArgs) { | ||
3292 | int rc = 0; | ||
3293 | |||
3294 | if (!image) return rc; | ||
3295 | |||
3296 | /* update the main args first... */ | ||
3297 | if (addArgs || removeArgs) | ||
3298 | rc = updateActualImage(cfg, image, prefix, addArgs, removeArgs, 0); | ||
3299 | if (rc) return rc; | ||
3300 | |||
3301 | /* and now any multiboot args */ | ||
3302 | if (addMBArgs || removeMBArgs) | ||
3303 | rc = updateActualImage(cfg, image, prefix, addMBArgs, removeMBArgs, 1); | ||
3304 | return rc; | ||
3305 | } | ||
3306 | |||
3307 | niro | 2263 | int addMBInitrd(struct grubConfig * cfg, const char *newMBKernel, |
3308 | const char * image, const char * prefix, const char * initrd) { | ||
3309 | struct singleEntry * entry; | ||
3310 | struct singleLine * line, * kernelLine, *endLine = NULL; | ||
3311 | int index = 0; | ||
3312 | |||
3313 | if (!image) return 0; | ||
3314 | |||
3315 | niro | 2957 | for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
3316 | niro | 2263 | kernelLine = getLineByType(LT_MBMODULE, entry->lines); |
3317 | if (!kernelLine) continue; | ||
3318 | |||
3319 | if (prefix) { | ||
3320 | int prefixLen = strlen(prefix); | ||
3321 | if (!strncmp(initrd, prefix, prefixLen)) | ||
3322 | initrd += prefixLen; | ||
3323 | } | ||
3324 | endLine = getLineByType(LT_ENTRY_END, entry->lines); | ||
3325 | if (endLine) | ||
3326 | removeLine(entry, endLine); | ||
3327 | line = addLine(entry, cfg->cfi, preferredLineType(LT_MBMODULE,cfg->cfi), | ||
3328 | kernelLine->indent, initrd); | ||
3329 | if (!line) | ||
3330 | return 1; | ||
3331 | if (endLine) { | ||
3332 | line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL); | ||
3333 | if (!line) | ||
3334 | return 1; | ||
3335 | } | ||
3336 | |||
3337 | break; | ||
3338 | } | ||
3339 | |||
3340 | return 0; | ||
3341 | } | ||
3342 | |||
3343 | niro | 1156 | int updateInitrd(struct grubConfig * cfg, const char * image, |
3344 | const char * prefix, const char * initrd) { | ||
3345 | struct singleEntry * entry; | ||
3346 | niro | 1696 | struct singleLine * line, * kernelLine, *endLine = NULL; |
3347 | niro | 1156 | int index = 0; |
3348 | |||
3349 | if (!image) return 0; | ||
3350 | |||
3351 | for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { | ||
3352 | niro | 2683 | kernelLine = getLineByType(LT_KERNEL|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines); |
3353 | niro | 1156 | if (!kernelLine) continue; |
3354 | |||
3355 | niro | 2683 | line = getLineByType(LT_INITRD|LT_INITRD_EFI|LT_INITRD_16, entry->lines); |
3356 | niro | 1156 | if (line) |
3357 | removeLine(entry, line); | ||
3358 | if (prefix) { | ||
3359 | int prefixLen = strlen(prefix); | ||
3360 | if (!strncmp(initrd, prefix, prefixLen)) | ||
3361 | initrd += prefixLen; | ||
3362 | } | ||
3363 | niro | 1696 | endLine = getLineByType(LT_ENTRY_END, entry->lines); |
3364 | if (endLine) | ||
3365 | removeLine(entry, endLine); | ||
3366 | niro | 2683 | enum lineType_e lt; |
3367 | switch(kernelLine->type) { | ||
3368 | case LT_KERNEL: | ||
3369 | lt = LT_INITRD; | ||
3370 | break; | ||
3371 | case LT_KERNEL_EFI: | ||
3372 | lt = LT_INITRD_EFI; | ||
3373 | break; | ||
3374 | case LT_KERNEL_16: | ||
3375 | lt = LT_INITRD_16; | ||
3376 | break; | ||
3377 | default: | ||
3378 | lt = preferredLineType(LT_INITRD, cfg->cfi); | ||
3379 | } | ||
3380 | line = addLine(entry, cfg->cfi, lt, kernelLine->indent, initrd); | ||
3381 | niro | 1696 | if (!line) |
3382 | return 1; | ||
3383 | if (endLine) { | ||
3384 | line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL); | ||
3385 | if (!line) | ||
3386 | return 1; | ||
3387 | } | ||
3388 | |||
3389 | niro | 1156 | break; |
3390 | } | ||
3391 | |||
3392 | return 0; | ||
3393 | } | ||
3394 | |||
3395 | niro | 532 | int checkDeviceBootloader(const char * device, const unsigned char * boot) { |
3396 | int fd; | ||
3397 | unsigned char bootSect[512]; | ||
3398 | int offset; | ||
3399 | |||
3400 | fd = open(device, O_RDONLY); | ||
3401 | if (fd < 0) { | ||
3402 | fprintf(stderr, _("grubby: unable to open %s: %s\n"), | ||
3403 | device, strerror(errno)); | ||
3404 | return 1; | ||
3405 | } | ||
3406 | |||
3407 | if (read(fd, bootSect, 512) != 512) { | ||
3408 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
3409 | device, strerror(errno)); | ||
3410 | return 1; | ||
3411 | } | ||
3412 | close(fd); | ||
3413 | |||
3414 | /* first three bytes should match, a jmp short should be in there */ | ||
3415 | if (memcmp(boot, bootSect, 3)) | ||
3416 | return 0; | ||
3417 | |||
3418 | niro | 1718 | if (boot[1] == JMP_SHORT_OPCODE) { |
3419 | niro | 532 | offset = boot[2] + 2; |
3420 | } else if (boot[1] == 0xe8 || boot[1] == 0xe9) { | ||
3421 | offset = (boot[3] << 8) + boot[2] + 2; | ||
3422 | niro | 1718 | } else if (boot[0] == JMP_SHORT_OPCODE) { |
3423 | offset = boot[1] + 2; | ||
3424 | /* | ||
3425 | * it looks like grub, when copying stage1 into the mbr, patches stage1 | ||
3426 | * right after the JMP location, replacing other instructions such as | ||
3427 | * JMPs for NOOPs. So, relax the check a little bit by skipping those | ||
3428 | * different bytes. | ||
3429 | */ | ||
3430 | if ((bootSect[offset + 1] == NOOP_OPCODE) | ||
3431 | && (bootSect[offset + 2] == NOOP_OPCODE)) { | ||
3432 | offset = offset + 3; | ||
3433 | } | ||
3434 | niro | 532 | } else if (boot[0] == 0xe8 || boot[0] == 0xe9) { |
3435 | offset = (boot[2] << 8) + boot[1] + 2; | ||
3436 | } else { | ||
3437 | return 0; | ||
3438 | } | ||
3439 | |||
3440 | if (memcmp(boot + offset, bootSect + offset, CODE_SEG_SIZE)) | ||
3441 | return 0; | ||
3442 | |||
3443 | return 2; | ||
3444 | } | ||
3445 | |||
3446 | int checkLiloOnRaid(char * mdDev, const unsigned char * boot) { | ||
3447 | int fd; | ||
3448 | char buf[65536]; | ||
3449 | char * end; | ||
3450 | char * chptr; | ||
3451 | char * chptr2; | ||
3452 | int rc; | ||
3453 | |||
3454 | /* it's on raid; we need to parse /proc/mdstat and check all of the | ||
3455 | *raw* devices listed in there */ | ||
3456 | |||
3457 | if (!strncmp(mdDev, "/dev/", 5)) | ||
3458 | mdDev += 5; | ||
3459 | |||
3460 | if ((fd = open("/proc/mdstat", O_RDONLY)) < 0) { | ||
3461 | fprintf(stderr, _("grubby: failed to open /proc/mdstat: %s\n"), | ||
3462 | strerror(errno)); | ||
3463 | return 2; | ||
3464 | } | ||
3465 | |||
3466 | rc = read(fd, buf, sizeof(buf) - 1); | ||
3467 | if (rc < 0 || rc == (sizeof(buf) - 1)) { | ||
3468 | fprintf(stderr, _("grubby: failed to read /proc/mdstat: %s\n"), | ||
3469 | strerror(errno)); | ||
3470 | close(fd); | ||
3471 | return 2; | ||
3472 | } | ||
3473 | close(fd); | ||
3474 | buf[rc] = '\0'; | ||
3475 | |||
3476 | chptr = buf; | ||
3477 | while (*chptr) { | ||
3478 | end = strchr(chptr, '\n'); | ||
3479 | if (!end) break; | ||
3480 | *end = '\0'; | ||
3481 | |||
3482 | if (!strncmp(chptr, mdDev, strlen(mdDev)) && | ||
3483 | chptr[strlen(mdDev)] == ' ') { | ||
3484 | |||
3485 | /* found the device */ | ||
3486 | while (*chptr && *chptr != ':') chptr++; | ||
3487 | chptr++; | ||
3488 | while (*chptr && isspace(*chptr)) chptr++; | ||
3489 | |||
3490 | /* skip the "active" bit */ | ||
3491 | while (*chptr && !isspace(*chptr)) chptr++; | ||
3492 | while (*chptr && isspace(*chptr)) chptr++; | ||
3493 | |||
3494 | /* skip the raid level */ | ||
3495 | while (*chptr && !isspace(*chptr)) chptr++; | ||
3496 | while (*chptr && isspace(*chptr)) chptr++; | ||
3497 | |||
3498 | /* everything else is partition stuff */ | ||
3499 | while (*chptr) { | ||
3500 | chptr2 = chptr; | ||
3501 | while (*chptr2 && *chptr2 != '[') chptr2++; | ||
3502 | if (!*chptr2) break; | ||
3503 | |||
3504 | /* yank off the numbers at the end */ | ||
3505 | chptr2--; | ||
3506 | while (isdigit(*chptr2) && chptr2 > chptr) chptr2--; | ||
3507 | chptr2++; | ||
3508 | *chptr2 = '\0'; | ||
3509 | |||
3510 | /* Better, now we need the /dev/ back. We're done with | ||
3511 | * everything before this point, so we can just put | ||
3512 | * the /dev/ part there. There will always be room. */ | ||
3513 | memcpy(chptr - 5, "/dev/", 5); | ||
3514 | rc = checkDeviceBootloader(chptr - 5, boot); | ||
3515 | if (rc != 2) { | ||
3516 | return rc; | ||
3517 | } | ||
3518 | |||
3519 | chptr = chptr2 + 1; | ||
3520 | /* skip the [11] bit */ | ||
3521 | while (*chptr && !isspace(*chptr)) chptr++; | ||
3522 | /* and move to the next one */ | ||
3523 | while (*chptr && isspace(*chptr)) chptr++; | ||
3524 | } | ||
3525 | |||
3526 | /* we're good to go */ | ||
3527 | return 2; | ||
3528 | } | ||
3529 | |||
3530 | chptr = end + 1; | ||
3531 | } | ||
3532 | |||
3533 | fprintf(stderr, | ||
3534 | _("grubby: raid device /dev/%s not found in /proc/mdstat\n"), | ||
3535 | mdDev); | ||
3536 | return 0; | ||
3537 | } | ||
3538 | |||
3539 | int checkForLilo(struct grubConfig * config) { | ||
3540 | int fd; | ||
3541 | unsigned char boot[512]; | ||
3542 | struct singleLine * line; | ||
3543 | |||
3544 | for (line = config->theLines; line; line = line->next) | ||
3545 | if (line->type == LT_BOOT) break; | ||
3546 | |||
3547 | if (!line) { | ||
3548 | fprintf(stderr, | ||
3549 | _("grubby: no boot line found in lilo configuration\n")); | ||
3550 | return 1; | ||
3551 | } | ||
3552 | |||
3553 | if (line->numElements != 2) return 1; | ||
3554 | |||
3555 | fd = open("/boot/boot.b", O_RDONLY); | ||
3556 | if (fd < 0) { | ||
3557 | fprintf(stderr, _("grubby: unable to open %s: %s\n"), | ||
3558 | "/boot/boot.b", strerror(errno)); | ||
3559 | return 1; | ||
3560 | } | ||
3561 | |||
3562 | if (read(fd, boot, 512) != 512) { | ||
3563 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
3564 | "/boot/boot.b", strerror(errno)); | ||
3565 | return 1; | ||
3566 | } | ||
3567 | close(fd); | ||
3568 | |||
3569 | if (!strncmp("/dev/md", line->elements[1].item, 7)) | ||
3570 | return checkLiloOnRaid(line->elements[1].item, boot); | ||
3571 | |||
3572 | return checkDeviceBootloader(line->elements[1].item, boot); | ||
3573 | } | ||
3574 | |||
3575 | niro | 1696 | int checkForGrub2(struct grubConfig * config) { |
3576 | niro | 1714 | if (!access("/etc/grub.d/", R_OK)) |
3577 | niro | 1696 | return 2; |
3578 | |||
3579 | return 1; | ||
3580 | } | ||
3581 | |||
3582 | niro | 532 | int checkForGrub(struct grubConfig * config) { |
3583 | int fd; | ||
3584 | unsigned char bootSect[512]; | ||
3585 | char * boot; | ||
3586 | niro | 1851 | int onSuse = isSuseSystem(); |
3587 | niro | 532 | |
3588 | niro | 1851 | |
3589 | if (onSuse) { | ||
3590 | if (parseSuseGrubConf(NULL, &boot)) | ||
3591 | return 0; | ||
3592 | niro | 1850 | } else { |
3593 | niro | 1851 | if (parseSysconfigGrub(NULL, &boot)) |
3594 | return 0; | ||
3595 | niro | 1850 | } |
3596 | niro | 532 | |
3597 | /* assume grub is not installed -- not an error condition */ | ||
3598 | if (!boot) | ||
3599 | return 0; | ||
3600 | |||
3601 | fd = open("/boot/grub/stage1", O_RDONLY); | ||
3602 | if (fd < 0) | ||
3603 | /* this doesn't exist if grub hasn't been installed */ | ||
3604 | return 0; | ||
3605 | |||
3606 | if (read(fd, bootSect, 512) != 512) { | ||
3607 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
3608 | "/boot/grub/stage1", strerror(errno)); | ||
3609 | niro | 914 | close(fd); |
3610 | niro | 532 | return 1; |
3611 | } | ||
3612 | close(fd); | ||
3613 | |||
3614 | niro | 1851 | /* The more elaborate checks do not work on SuSE. The checks done |
3615 | * seem to be reasonble (at least for now), so just return success | ||
3616 | */ | ||
3617 | if (onSuse) | ||
3618 | niro | 1850 | return 2; |
3619 | niro | 1851 | |
3620 | return checkDeviceBootloader(boot, bootSect); | ||
3621 | niro | 532 | } |
3622 | |||
3623 | niro | 914 | int checkForExtLinux(struct grubConfig * config) { |
3624 | int fd; | ||
3625 | unsigned char bootSect[512]; | ||
3626 | char * boot; | ||
3627 | char executable[] = "/boot/extlinux/extlinux"; | ||
3628 | |||
3629 | printf("entered: checkForExtLinux()\n"); | ||
3630 | |||
3631 | if (parseSysconfigGrub(NULL, &boot)) | ||
3632 | return 0; | ||
3633 | |||
3634 | /* assume grub is not installed -- not an error condition */ | ||
3635 | if (!boot) | ||
3636 | return 0; | ||
3637 | |||
3638 | fd = open(executable, O_RDONLY); | ||
3639 | if (fd < 0) | ||
3640 | /* this doesn't exist if grub hasn't been installed */ | ||
3641 | return 0; | ||
3642 | |||
3643 | if (read(fd, bootSect, 512) != 512) { | ||
3644 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
3645 | executable, strerror(errno)); | ||
3646 | return 1; | ||
3647 | } | ||
3648 | close(fd); | ||
3649 | |||
3650 | return checkDeviceBootloader(boot, bootSect); | ||
3651 | } | ||
3652 | |||
3653 | niro | 1853 | int checkForYaboot(struct grubConfig * config) { |
3654 | /* | ||
3655 | * This is a simplistic check that we consider good enough for own puporses | ||
3656 | * | ||
3657 | * If we were to properly check if yaboot is *installed* we'd need to: | ||
3658 | * 1) get the system boot device (LT_BOOT) | ||
3659 | * 2) considering it's a raw filesystem, check if the yaboot binary matches | ||
3660 | * the content on the boot device | ||
3661 | * 3) if not, copy the binary to a temporary file and run "addnote" on it | ||
3662 | * 4) check again if binary and boot device contents match | ||
3663 | */ | ||
3664 | if (!access("/etc/yaboot.conf", R_OK)) | ||
3665 | return 2; | ||
3666 | |||
3667 | return 1; | ||
3668 | } | ||
3669 | |||
3670 | niro | 1854 | int checkForElilo(struct grubConfig * config) { |
3671 | if (!access("/etc/elilo.conf", R_OK)) | ||
3672 | return 2; | ||
3673 | |||
3674 | return 1; | ||
3675 | } | ||
3676 | |||
3677 | niro | 532 | static char * getRootSpecifier(char * str) { |
3678 | char * idx, * rootspec = NULL; | ||
3679 | |||
3680 | if (*str == '(') { | ||
3681 | idx = rootspec = strdup(str); | ||
3682 | while(*idx && (*idx != ')') && (!isspace(*idx))) idx++; | ||
3683 | *(++idx) = '\0'; | ||
3684 | } | ||
3685 | return rootspec; | ||
3686 | } | ||
3687 | |||
3688 | niro | 914 | static char * getInitrdVal(struct grubConfig * config, |
3689 | const char * prefix, struct singleLine *tmplLine, | ||
3690 | const char * newKernelInitrd, | ||
3691 | niro | 1844 | const char ** extraInitrds, int extraInitrdCount) |
3692 | niro | 914 | { |
3693 | char *initrdVal, *end; | ||
3694 | int i; | ||
3695 | size_t totalSize; | ||
3696 | size_t prefixLen; | ||
3697 | char separatorChar; | ||
3698 | |||
3699 | prefixLen = strlen(prefix); | ||
3700 | totalSize = strlen(newKernelInitrd) - prefixLen + 1 /* \0 */; | ||
3701 | |||
3702 | for (i = 0; i < extraInitrdCount; i++) { | ||
3703 | totalSize += sizeof(separatorChar); | ||
3704 | totalSize += strlen(extraInitrds[i]) - prefixLen; | ||
3705 | } | ||
3706 | |||
3707 | initrdVal = end = malloc(totalSize); | ||
3708 | |||
3709 | end = stpcpy (end, newKernelInitrd + prefixLen); | ||
3710 | |||
3711 | separatorChar = getKeywordByType(LT_INITRD, config->cfi)->separatorChar; | ||
3712 | for (i = 0; i < extraInitrdCount; i++) { | ||
3713 | const char *extraInitrd; | ||
3714 | int j; | ||
3715 | |||
3716 | extraInitrd = extraInitrds[i] + prefixLen; | ||
3717 | /* Don't add entries that are already there */ | ||
3718 | if (tmplLine != NULL) { | ||
3719 | for (j = 2; j < tmplLine->numElements; j++) | ||
3720 | if (strcmp(extraInitrd, tmplLine->elements[j].item) == 0) | ||
3721 | break; | ||
3722 | |||
3723 | if (j != tmplLine->numElements) | ||
3724 | continue; | ||
3725 | } | ||
3726 | |||
3727 | *end++ = separatorChar; | ||
3728 | end = stpcpy(end, extraInitrd); | ||
3729 | } | ||
3730 | |||
3731 | return initrdVal; | ||
3732 | } | ||
3733 | |||
3734 | niro | 532 | int addNewKernel(struct grubConfig * config, struct singleEntry * template, |
3735 | const char * prefix, | ||
3736 | niro | 1844 | const char * newKernelPath, const char * newKernelTitle, |
3737 | const char * newKernelArgs, const char * newKernelInitrd, | ||
3738 | const char ** extraInitrds, int extraInitrdCount, | ||
3739 | niro | 2685 | const char * newMBKernel, const char * newMBKernelArgs, |
3740 | const char * newDevTreePath) { | ||
3741 | niro | 532 | struct singleEntry * new; |
3742 | niro | 914 | struct singleLine * newLine = NULL, * tmplLine = NULL, * masterLine = NULL; |
3743 | niro | 532 | int needs; |
3744 | char * chptr; | ||
3745 | |||
3746 | if (!newKernelPath) return 0; | ||
3747 | |||
3748 | /* if the newKernelTitle is too long silently munge it into something | ||
3749 | * we can live with. truncating is first check, then we'll just mess with | ||
3750 | * it until it looks better */ | ||
3751 | if (config->cfi->maxTitleLength && | ||
3752 | (strlen(newKernelTitle) > config->cfi->maxTitleLength)) { | ||
3753 | char * buf = alloca(config->cfi->maxTitleLength + 7); | ||
3754 | char * numBuf = alloca(config->cfi->maxTitleLength + 1); | ||
3755 | int i = 1; | ||
3756 | |||
3757 | sprintf(buf, "TITLE=%.*s", config->cfi->maxTitleLength, newKernelTitle); | ||
3758 | while (findEntryByPath(config, buf, NULL, NULL)) { | ||
3759 | sprintf(numBuf, "%d", i++); | ||
3760 | strcpy(buf + strlen(buf) - strlen(numBuf), numBuf); | ||
3761 | } | ||
3762 | |||
3763 | newKernelTitle = buf + 6; | ||
3764 | } | ||
3765 | |||
3766 | new = malloc(sizeof(*new)); | ||
3767 | new->skip = 0; | ||
3768 | new->multiboot = 0; | ||
3769 | new->next = config->entries; | ||
3770 | new->lines = NULL; | ||
3771 | config->entries = new; | ||
3772 | |||
3773 | /* copy/update from the template */ | ||
3774 | niro | 914 | needs = NEED_KERNEL | NEED_TITLE; |
3775 | if (newKernelInitrd) | ||
3776 | needs |= NEED_INITRD; | ||
3777 | niro | 532 | if (newMBKernel) { |
3778 | niro | 914 | needs |= NEED_MB; |
3779 | niro | 532 | new->multiboot = 1; |
3780 | } | ||
3781 | niro | 2685 | if (newDevTreePath && getKeywordByType(LT_DEVTREE, config->cfi)) |
3782 | needs |= NEED_DEVTREE; | ||
3783 | niro | 532 | |
3784 | if (template) { | ||
3785 | niro | 914 | for (masterLine = template->lines; |
3786 | masterLine && (tmplLine = lineDup(masterLine)); | ||
3787 | lineFree(tmplLine), masterLine = masterLine->next) | ||
3788 | { | ||
3789 | dbgPrintf("addNewKernel processing %d\n", tmplLine->type); | ||
3790 | niro | 532 | |
3791 | /* skip comments */ | ||
3792 | chptr = tmplLine->indent; | ||
3793 | while (*chptr && isspace(*chptr)) chptr++; | ||
3794 | if (*chptr == '#') continue; | ||
3795 | |||
3796 | niro | 1940 | if (iskernel(tmplLine->type) && tmplLine->numElements >= 2) { |
3797 | niro | 914 | if (!template->multiboot && (needs & NEED_MB)) { |
3798 | /* it's not a multiboot template and this is the kernel | ||
3799 | * line. Try to be intelligent about inserting the | ||
3800 | * hypervisor at the same time. | ||
3801 | */ | ||
3802 | if (config->cfi->mbHyperFirst) { | ||
3803 | /* insert the hypervisor first */ | ||
3804 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
3805 | tmplLine->indent, | ||
3806 | newMBKernel + strlen(prefix)); | ||
3807 | /* set up for adding the kernel line */ | ||
3808 | free(tmplLine->indent); | ||
3809 | tmplLine->indent = strdup(config->secondaryIndent); | ||
3810 | needs &= ~NEED_MB; | ||
3811 | } | ||
3812 | if (needs & NEED_KERNEL) { | ||
3813 | /* use addLineTmpl to preserve line elements, | ||
3814 | * otherwise we could just call addLine. Unfortunately | ||
3815 | * this means making some changes to the template | ||
3816 | * such as the indent change above and the type | ||
3817 | * change below. | ||
3818 | */ | ||
3819 | struct keywordTypes * mbm_kw = | ||
3820 | getKeywordByType(LT_MBMODULE, config->cfi); | ||
3821 | if (mbm_kw) { | ||
3822 | tmplLine->type = LT_MBMODULE; | ||
3823 | free(tmplLine->elements[0].item); | ||
3824 | tmplLine->elements[0].item = strdup(mbm_kw->key); | ||
3825 | } | ||
3826 | newLine = addLineTmpl(new, tmplLine, newLine, | ||
3827 | newKernelPath + strlen(prefix), config->cfi); | ||
3828 | needs &= ~NEED_KERNEL; | ||
3829 | } | ||
3830 | if (needs & NEED_MB) { /* !mbHyperFirst */ | ||
3831 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
3832 | config->secondaryIndent, | ||
3833 | newMBKernel + strlen(prefix)); | ||
3834 | needs &= ~NEED_MB; | ||
3835 | } | ||
3836 | } else if (needs & NEED_KERNEL) { | ||
3837 | newLine = addLineTmpl(new, tmplLine, newLine, | ||
3838 | newKernelPath + strlen(prefix), config->cfi); | ||
3839 | needs &= ~NEED_KERNEL; | ||
3840 | } | ||
3841 | niro | 532 | |
3842 | niro | 914 | } else if (tmplLine->type == LT_HYPER && |
3843 | tmplLine->numElements >= 2) { | ||
3844 | if (needs & NEED_MB) { | ||
3845 | newLine = addLineTmpl(new, tmplLine, newLine, | ||
3846 | newMBKernel + strlen(prefix), config->cfi); | ||
3847 | needs &= ~NEED_MB; | ||
3848 | } | ||
3849 | niro | 532 | |
3850 | niro | 914 | } else if (tmplLine->type == LT_MBMODULE && |
3851 | tmplLine->numElements >= 2) { | ||
3852 | if (new->multiboot) { | ||
3853 | if (needs & NEED_KERNEL) { | ||
3854 | newLine = addLineTmpl(new, tmplLine, newLine, | ||
3855 | newKernelPath + | ||
3856 | strlen(prefix), config->cfi); | ||
3857 | needs &= ~NEED_KERNEL; | ||
3858 | } else if (config->cfi->mbInitRdIsModule && | ||
3859 | (needs & NEED_INITRD)) { | ||
3860 | char *initrdVal; | ||
3861 | initrdVal = getInitrdVal(config, prefix, tmplLine, | ||
3862 | newKernelInitrd, extraInitrds, | ||
3863 | extraInitrdCount); | ||
3864 | newLine = addLineTmpl(new, tmplLine, newLine, | ||
3865 | initrdVal, config->cfi); | ||
3866 | free(initrdVal); | ||
3867 | needs &= ~NEED_INITRD; | ||
3868 | } | ||
3869 | } else if (needs & NEED_KERNEL) { | ||
3870 | /* template is multi but new is not, | ||
3871 | * insert the kernel in the first module slot | ||
3872 | */ | ||
3873 | niro | 1940 | tmplLine->type = preferredLineType(LT_KERNEL, config->cfi); |
3874 | niro | 914 | free(tmplLine->elements[0].item); |
3875 | tmplLine->elements[0].item = | ||
3876 | niro | 1940 | strdup(getKeywordByType(tmplLine->type, |
3877 | config->cfi)->key); | ||
3878 | niro | 914 | newLine = addLineTmpl(new, tmplLine, newLine, |
3879 | niro | 1940 | newKernelPath + strlen(prefix), |
3880 | config->cfi); | ||
3881 | niro | 914 | needs &= ~NEED_KERNEL; |
3882 | } else if (needs & NEED_INITRD) { | ||
3883 | char *initrdVal; | ||
3884 | /* template is multi but new is not, | ||
3885 | * insert the initrd in the second module slot | ||
3886 | */ | ||
3887 | niro | 1940 | tmplLine->type = preferredLineType(LT_INITRD, config->cfi); |
3888 | niro | 914 | free(tmplLine->elements[0].item); |
3889 | tmplLine->elements[0].item = | ||
3890 | niro | 1940 | strdup(getKeywordByType(tmplLine->type, |
3891 | config->cfi)->key); | ||
3892 | niro | 914 | initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount); |
3893 | newLine = addLineTmpl(new, tmplLine, newLine, initrdVal, config->cfi); | ||
3894 | free(initrdVal); | ||
3895 | needs &= ~NEED_INITRD; | ||
3896 | } | ||
3897 | niro | 532 | |
3898 | niro | 1940 | } else if (isinitrd(tmplLine->type) && tmplLine->numElements >= 2) { |
3899 | niro | 914 | if (needs & NEED_INITRD && |
3900 | new->multiboot && !template->multiboot && | ||
3901 | config->cfi->mbInitRdIsModule) { | ||
3902 | /* make sure we don't insert the module initrd | ||
3903 | * before the module kernel... if we don't do it here, | ||
3904 | * it will be inserted following the template. | ||
3905 | */ | ||
3906 | if (!needs & NEED_KERNEL) { | ||
3907 | char *initrdVal; | ||
3908 | |||
3909 | initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount); | ||
3910 | newLine = addLine(new, config->cfi, LT_MBMODULE, | ||
3911 | config->secondaryIndent, | ||
3912 | initrdVal); | ||
3913 | free(initrdVal); | ||
3914 | needs &= ~NEED_INITRD; | ||
3915 | } | ||
3916 | } else if (needs & NEED_INITRD) { | ||
3917 | char *initrdVal; | ||
3918 | initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount); | ||
3919 | newLine = addLineTmpl(new, tmplLine, newLine, initrdVal, config->cfi); | ||
3920 | free(initrdVal); | ||
3921 | needs &= ~NEED_INITRD; | ||
3922 | niro | 532 | } |
3923 | |||
3924 | niro | 1696 | } else if (tmplLine->type == LT_MENUENTRY && |
3925 | (needs & NEED_TITLE)) { | ||
3926 | requote(tmplLine, config->cfi); | ||
3927 | char *nkt = malloc(strlen(newKernelTitle)+3); | ||
3928 | strcpy(nkt, "'"); | ||
3929 | strcat(nkt, newKernelTitle); | ||
3930 | strcat(nkt, "'"); | ||
3931 | newLine = addLineTmpl(new, tmplLine, newLine, nkt, config->cfi); | ||
3932 | free(nkt); | ||
3933 | needs &= ~NEED_TITLE; | ||
3934 | niro | 532 | } else if (tmplLine->type == LT_TITLE && |
3935 | niro | 914 | (needs & NEED_TITLE)) { |
3936 | if (tmplLine->numElements >= 2) { | ||
3937 | newLine = addLineTmpl(new, tmplLine, newLine, | ||
3938 | newKernelTitle, config->cfi); | ||
3939 | needs &= ~NEED_TITLE; | ||
3940 | } else if (tmplLine->numElements == 1 && | ||
3941 | config->cfi->titleBracketed) { | ||
3942 | /* addLineTmpl doesn't handle titleBracketed */ | ||
3943 | newLine = addLine(new, config->cfi, LT_TITLE, | ||
3944 | tmplLine->indent, newKernelTitle); | ||
3945 | needs &= ~NEED_TITLE; | ||
3946 | } | ||
3947 | niro | 1696 | } else if (tmplLine->type == LT_ECHO) { |
3948 | requote(tmplLine, config->cfi); | ||
3949 | niro | 1722 | static const char *prefix = "'Loading "; |
3950 | niro | 1696 | if (tmplLine->numElements > 1 && |
3951 | niro | 1722 | strstr(tmplLine->elements[1].item, prefix) && |
3952 | niro | 1940 | masterLine->next && |
3953 | iskernel(masterLine->next->type)) { | ||
3954 | niro | 1696 | char *newTitle = malloc(strlen(prefix) + |
3955 | strlen(newKernelTitle) + 2); | ||
3956 | niro | 532 | |
3957 | niro | 1696 | strcpy(newTitle, prefix); |
3958 | strcat(newTitle, newKernelTitle); | ||
3959 | strcat(newTitle, "'"); | ||
3960 | newLine = addLine(new, config->cfi, LT_ECHO, | ||
3961 | tmplLine->indent, newTitle); | ||
3962 | free(newTitle); | ||
3963 | } else { | ||
3964 | /* pass through other lines from the template */ | ||
3965 | newLine = addLineTmpl(new, tmplLine, newLine, NULL, | ||
3966 | config->cfi); | ||
3967 | } | ||
3968 | niro | 2685 | } else if (tmplLine->type == LT_DEVTREE && |
3969 | tmplLine->numElements == 2 && newDevTreePath) { | ||
3970 | newLine = addLineTmpl(new, tmplLine, newLine, | ||
3971 | newDevTreePath + strlen(prefix), | ||
3972 | config->cfi); | ||
3973 | needs &= ~NEED_DEVTREE; | ||
3974 | } else if (tmplLine->type == LT_ENTRY_END && needs & NEED_DEVTREE) { | ||
3975 | const char *ndtp = newDevTreePath; | ||
3976 | if (!strncmp(newDevTreePath, prefix, strlen(prefix))) | ||
3977 | ndtp += strlen(prefix); | ||
3978 | newLine = addLine(new, config->cfi, LT_DEVTREE, | ||
3979 | config->secondaryIndent, | ||
3980 | ndtp); | ||
3981 | needs &= ~NEED_DEVTREE; | ||
3982 | newLine = addLineTmpl(new, tmplLine, newLine, NULL, config->cfi); | ||
3983 | niro | 914 | } else { |
3984 | /* pass through other lines from the template */ | ||
3985 | newLine = addLineTmpl(new, tmplLine, newLine, NULL, config->cfi); | ||
3986 | } | ||
3987 | niro | 532 | } |
3988 | niro | 914 | |
3989 | niro | 532 | } else { |
3990 | niro | 914 | /* don't have a template, so start the entry with the |
3991 | * appropriate starting line | ||
3992 | */ | ||
3993 | niro | 1693 | switch (config->cfi->entryStart) { |
3994 | niro | 914 | case LT_KERNEL: |
3995 | niro | 1940 | case LT_KERNEL_EFI: |
3996 | niro | 2683 | case LT_KERNEL_16: |
3997 | niro | 914 | if (new->multiboot && config->cfi->mbHyperFirst) { |
3998 | /* fall through to LT_HYPER */ | ||
3999 | } else { | ||
4000 | niro | 1940 | newLine = addLine(new, config->cfi, |
4001 | preferredLineType(LT_KERNEL, config->cfi), | ||
4002 | niro | 914 | config->primaryIndent, |
4003 | newKernelPath + strlen(prefix)); | ||
4004 | needs &= ~NEED_KERNEL; | ||
4005 | break; | ||
4006 | } | ||
4007 | |||
4008 | case LT_HYPER: | ||
4009 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
4010 | config->primaryIndent, | ||
4011 | newMBKernel + strlen(prefix)); | ||
4012 | needs &= ~NEED_MB; | ||
4013 | niro | 532 | break; |
4014 | |||
4015 | niro | 1696 | case LT_MENUENTRY: { |
4016 | char *nkt = malloc(strlen(newKernelTitle)+3); | ||
4017 | strcpy(nkt, "'"); | ||
4018 | strcat(nkt, newKernelTitle); | ||
4019 | strcat(nkt, "'"); | ||
4020 | newLine = addLine(new, config->cfi, LT_MENUENTRY, | ||
4021 | config->primaryIndent, nkt); | ||
4022 | free(nkt); | ||
4023 | needs &= ~NEED_TITLE; | ||
4024 | needs |= NEED_END; | ||
4025 | break; | ||
4026 | } | ||
4027 | niro | 914 | case LT_TITLE: |
4028 | if( useextlinuxmenu != 0 ){ // We just need useextlinuxmenu to not be zero (set above) | ||
4029 | char * templabel; | ||
4030 | int x = 0, y = 0; | ||
4031 | |||
4032 | templabel = strdup(newKernelTitle); | ||
4033 | while( templabel[x]){ | ||
4034 | if( templabel[x] == ' ' ){ | ||
4035 | y = x; | ||
4036 | while( templabel[y] ){ | ||
4037 | templabel[y] = templabel[y+1]; | ||
4038 | y++; | ||
4039 | } | ||
4040 | } | ||
4041 | x++; | ||
4042 | } | ||
4043 | newLine = addLine(new, config->cfi, LT_TITLE, | ||
4044 | config->primaryIndent, templabel); | ||
4045 | free(templabel); | ||
4046 | }else{ | ||
4047 | newLine = addLine(new, config->cfi, LT_TITLE, | ||
4048 | config->primaryIndent, newKernelTitle); | ||
4049 | } | ||
4050 | needs &= ~NEED_TITLE; | ||
4051 | break; | ||
4052 | |||
4053 | default: | ||
4054 | abort(); | ||
4055 | niro | 532 | } |
4056 | } | ||
4057 | |||
4058 | niro | 2709 | struct singleLine *endLine = NULL; |
4059 | endLine = getLineByType(LT_ENTRY_END, new->lines); | ||
4060 | if (endLine) { | ||
4061 | removeLine(new, endLine); | ||
4062 | needs |= NEED_END; | ||
4063 | } | ||
4064 | |||
4065 | niro | 914 | /* add the remainder of the lines, i.e. those that either |
4066 | * weren't present in the template, or in the case of no template, | ||
4067 | niro | 1693 | * all the lines following the entryStart. |
4068 | niro | 914 | */ |
4069 | if (needs & NEED_TITLE) { | ||
4070 | newLine = addLine(new, config->cfi, LT_TITLE, | ||
4071 | config->secondaryIndent, | ||
4072 | newKernelTitle); | ||
4073 | needs &= ~NEED_TITLE; | ||
4074 | niro | 532 | } |
4075 | niro | 914 | if ((needs & NEED_MB) && config->cfi->mbHyperFirst) { |
4076 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
4077 | config->secondaryIndent, | ||
4078 | newMBKernel + strlen(prefix)); | ||
4079 | needs &= ~NEED_MB; | ||
4080 | } | ||
4081 | if (needs & NEED_KERNEL) { | ||
4082 | newLine = addLine(new, config->cfi, | ||
4083 | (new->multiboot && getKeywordByType(LT_MBMODULE, | ||
4084 | niro | 1940 | config->cfi)) |
4085 | ? LT_MBMODULE | ||
4086 | : preferredLineType(LT_KERNEL, config->cfi), | ||
4087 | niro | 914 | config->secondaryIndent, |
4088 | newKernelPath + strlen(prefix)); | ||
4089 | needs &= ~NEED_KERNEL; | ||
4090 | } | ||
4091 | if (needs & NEED_MB) { | ||
4092 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
4093 | config->secondaryIndent, | ||
4094 | newMBKernel + strlen(prefix)); | ||
4095 | needs &= ~NEED_MB; | ||
4096 | } | ||
4097 | if (needs & NEED_INITRD) { | ||
4098 | char *initrdVal; | ||
4099 | initrdVal = getInitrdVal(config, prefix, NULL, newKernelInitrd, extraInitrds, extraInitrdCount); | ||
4100 | newLine = addLine(new, config->cfi, | ||
4101 | (new->multiboot && getKeywordByType(LT_MBMODULE, | ||
4102 | niro | 1940 | config->cfi)) |
4103 | ? LT_MBMODULE | ||
4104 | : preferredLineType(LT_INITRD, config->cfi), | ||
4105 | niro | 914 | config->secondaryIndent, |
4106 | initrdVal); | ||
4107 | free(initrdVal); | ||
4108 | needs &= ~NEED_INITRD; | ||
4109 | } | ||
4110 | niro | 2685 | if (needs & NEED_DEVTREE) { |
4111 | newLine = addLine(new, config->cfi, LT_DEVTREE, | ||
4112 | config->secondaryIndent, | ||
4113 | newDevTreePath); | ||
4114 | needs &= ~NEED_DEVTREE; | ||
4115 | } | ||
4116 | |||
4117 | /* NEEDS_END must be last on bootloaders that need it... */ | ||
4118 | niro | 1696 | if (needs & NEED_END) { |
4119 | newLine = addLine(new, config->cfi, LT_ENTRY_END, | ||
4120 | config->secondaryIndent, NULL); | ||
4121 | needs &= ~NEED_END; | ||
4122 | } | ||
4123 | niro | 2709 | |
4124 | niro | 914 | if (needs) { |
4125 | printf(_("grubby: needs=%d, aborting\n"), needs); | ||
4126 | abort(); | ||
4127 | } | ||
4128 | |||
4129 | niro | 532 | if (updateImage(config, "0", prefix, newKernelArgs, NULL, |
4130 | newMBKernelArgs, NULL)) return 1; | ||
4131 | |||
4132 | return 0; | ||
4133 | } | ||
4134 | |||
4135 | niro | 914 | static void traceback(int signum) |
4136 | { | ||
4137 | void *array[40]; | ||
4138 | size_t size; | ||
4139 | |||
4140 | signal(SIGSEGV, SIG_DFL); | ||
4141 | memset(array, '\0', sizeof (array)); | ||
4142 | size = backtrace(array, 40); | ||
4143 | |||
4144 | niro | 2058 | fprintf(stderr, "grubby received SIGSEGV! Backtrace (%ld):\n", |
4145 | niro | 914 | (unsigned long)size); |
4146 | backtrace_symbols_fd(array, size, STDERR_FILENO); | ||
4147 | exit(1); | ||
4148 | } | ||
4149 | |||
4150 | niro | 532 | int main(int argc, const char ** argv) { |
4151 | poptContext optCon; | ||
4152 | niro | 1696 | const char * grubConfig = NULL; |
4153 | niro | 532 | char * outputFile = NULL; |
4154 | int arg = 0; | ||
4155 | int flags = 0; | ||
4156 | int badImageOkay = 0; | ||
4157 | niro | 1696 | int configureGrub2 = 0; |
4158 | niro | 532 | int configureLilo = 0, configureELilo = 0, configureGrub = 0; |
4159 | int configureYaboot = 0, configureSilo = 0, configureZipl = 0; | ||
4160 | niro | 914 | int configureExtLinux = 0; |
4161 | niro | 532 | int bootloaderProbe = 0; |
4162 | niro | 914 | int extraInitrdCount = 0; |
4163 | niro | 532 | char * updateKernelPath = NULL; |
4164 | char * newKernelPath = NULL; | ||
4165 | char * removeKernelPath = NULL; | ||
4166 | char * newKernelArgs = NULL; | ||
4167 | char * newKernelInitrd = NULL; | ||
4168 | char * newKernelTitle = NULL; | ||
4169 | niro | 2685 | char * newDevTreePath = NULL; |
4170 | niro | 532 | char * newMBKernel = NULL; |
4171 | char * newMBKernelArgs = NULL; | ||
4172 | char * removeMBKernelArgs = NULL; | ||
4173 | char * removeMBKernel = NULL; | ||
4174 | char * bootPrefix = NULL; | ||
4175 | char * defaultKernel = NULL; | ||
4176 | char * removeArgs = NULL; | ||
4177 | char * kernelInfo = NULL; | ||
4178 | niro | 914 | char * extraInitrds[MAX_EXTRA_INITRDS] = { NULL }; |
4179 | niro | 2252 | char * envPath = NULL; |
4180 | niro | 532 | const char * chptr = NULL; |
4181 | struct configFileInfo * cfi = NULL; | ||
4182 | struct grubConfig * config; | ||
4183 | struct singleEntry * template = NULL; | ||
4184 | int copyDefault = 0, makeDefault = 0; | ||
4185 | int displayDefault = 0; | ||
4186 | niro | 1720 | int displayDefaultIndex = 0; |
4187 | niro | 1721 | int displayDefaultTitle = 0; |
4188 | niro | 1859 | int defaultIndex = -1; |
4189 | niro | 532 | struct poptOption options[] = { |
4190 | { "add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0, | ||
4191 | _("add an entry for the specified kernel"), _("kernel-path") }, | ||
4192 | { "add-multiboot", 0, POPT_ARG_STRING, &newMBKernel, 0, | ||
4193 | _("add an entry for the specified multiboot kernel"), NULL }, | ||
4194 | { "args", 0, POPT_ARG_STRING, &newKernelArgs, 0, | ||
4195 | _("default arguments for the new kernel or new arguments for " | ||
4196 | "kernel being updated"), _("args") }, | ||
4197 | { "mbargs", 0, POPT_ARG_STRING, &newMBKernelArgs, 0, | ||
4198 | _("default arguments for the new multiboot kernel or " | ||
4199 | "new arguments for multiboot kernel being updated"), NULL }, | ||
4200 | { "bad-image-okay", 0, 0, &badImageOkay, 0, | ||
4201 | _("don't sanity check images in boot entries (for testing only)"), | ||
4202 | NULL }, | ||
4203 | { "boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0, | ||
4204 | _("filestystem which contains /boot directory (for testing only)"), | ||
4205 | _("bootfs") }, | ||
4206 | niro | 1854 | #if defined(__i386__) || defined(__x86_64__) || defined (__powerpc64__) || defined (__ia64__) |
4207 | niro | 532 | { "bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0, |
4208 | niro | 1853 | _("check which bootloader is installed on boot sector") }, |
4209 | niro | 532 | #endif |
4210 | { "config-file", 'c', POPT_ARG_STRING, &grubConfig, 0, | ||
4211 | _("path to grub config file to update (\"-\" for stdin)"), | ||
4212 | _("path") }, | ||
4213 | { "copy-default", 0, 0, ©Default, 0, | ||
4214 | _("use the default boot entry as a template for the new entry " | ||
4215 | "being added; if the default is not a linux image, or if " | ||
4216 | "the kernel referenced by the default image does not exist, " | ||
4217 | "the first linux entry whose kernel does exist is used as the " | ||
4218 | "template"), NULL }, | ||
4219 | niro | 1736 | { "debug", 0, 0, &debug, 0, |
4220 | _("print debugging information for failures") }, | ||
4221 | niro | 532 | { "default-kernel", 0, 0, &displayDefault, 0, |
4222 | _("display the path of the default kernel") }, | ||
4223 | niro | 1720 | { "default-index", 0, 0, &displayDefaultIndex, 0, |
4224 | _("display the index of the default kernel") }, | ||
4225 | niro | 1721 | { "default-title", 0, 0, &displayDefaultTitle, 0, |
4226 | _("display the title of the default kernel") }, | ||
4227 | niro | 2685 | { "devtree", 0, POPT_ARG_STRING, &newDevTreePath, 0, |
4228 | _("device tree file for new stanza"), _("dtb-path") }, | ||
4229 | niro | 532 | { "elilo", 0, POPT_ARG_NONE, &configureELilo, 0, |
4230 | _("configure elilo bootloader") }, | ||
4231 | niro | 1940 | { "efi", 0, POPT_ARG_NONE, &isEfi, 0, |
4232 | _("force grub2 stanzas to use efi") }, | ||
4233 | niro | 2252 | { "env", 0, POPT_ARG_STRING, &envPath, 0, |
4234 | _("path for environment data"), | ||
4235 | _("path") }, | ||
4236 | niro | 914 | { "extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0, |
4237 | _("configure extlinux bootloader (from syslinux)") }, | ||
4238 | niro | 532 | { "grub", 0, POPT_ARG_NONE, &configureGrub, 0, |
4239 | _("configure grub bootloader") }, | ||
4240 | niro | 1696 | { "grub2", 0, POPT_ARG_NONE, &configureGrub2, 0, |
4241 | _("configure grub2 bootloader") }, | ||
4242 | niro | 532 | { "info", 0, POPT_ARG_STRING, &kernelInfo, 0, |
4243 | _("display boot information for specified kernel"), | ||
4244 | _("kernel-path") }, | ||
4245 | { "initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0, | ||
4246 | _("initrd image for the new kernel"), _("initrd-path") }, | ||
4247 | niro | 914 | { "extra-initrd", 'i', POPT_ARG_STRING, NULL, 'i', |
4248 | niro | 2058 | _("auxiliary initrd image for things other than the new kernel"), _("initrd-path") }, |
4249 | niro | 532 | { "lilo", 0, POPT_ARG_NONE, &configureLilo, 0, |
4250 | _("configure lilo bootloader") }, | ||
4251 | { "make-default", 0, 0, &makeDefault, 0, | ||
4252 | _("make the newly added entry the default boot entry"), NULL }, | ||
4253 | { "output-file", 'o', POPT_ARG_STRING, &outputFile, 0, | ||
4254 | _("path to output updated config file (\"-\" for stdout)"), | ||
4255 | _("path") }, | ||
4256 | { "remove-args", 0, POPT_ARG_STRING, &removeArgs, 0, | ||
4257 | _("remove kernel arguments"), NULL }, | ||
4258 | { "remove-mbargs", 0, POPT_ARG_STRING, &removeMBKernelArgs, 0, | ||
4259 | _("remove multiboot kernel arguments"), NULL }, | ||
4260 | { "remove-kernel", 0, POPT_ARG_STRING, &removeKernelPath, 0, | ||
4261 | _("remove all entries for the specified kernel"), | ||
4262 | _("kernel-path") }, | ||
4263 | { "remove-multiboot", 0, POPT_ARG_STRING, &removeMBKernel, 0, | ||
4264 | _("remove all entries for the specified multiboot kernel"), NULL }, | ||
4265 | { "set-default", 0, POPT_ARG_STRING, &defaultKernel, 0, | ||
4266 | _("make the first entry referencing the specified kernel " | ||
4267 | "the default"), _("kernel-path") }, | ||
4268 | niro | 1859 | { "set-default-index", 0, POPT_ARG_INT, &defaultIndex, 0, |
4269 | _("make the given entry index the default entry"), | ||
4270 | _("entry-index") }, | ||
4271 | niro | 532 | { "silo", 0, POPT_ARG_NONE, &configureSilo, 0, |
4272 | _("configure silo bootloader") }, | ||
4273 | { "title", 0, POPT_ARG_STRING, &newKernelTitle, 0, | ||
4274 | _("title to use for the new kernel entry"), _("entry-title") }, | ||
4275 | { "update-kernel", 0, POPT_ARG_STRING, &updateKernelPath, 0, | ||
4276 | _("updated information for the specified kernel"), | ||
4277 | _("kernel-path") }, | ||
4278 | { "version", 'v', 0, NULL, 'v', | ||
4279 | _("print the version of this program and exit"), NULL }, | ||
4280 | { "yaboot", 0, POPT_ARG_NONE, &configureYaboot, 0, | ||
4281 | _("configure yaboot bootloader") }, | ||
4282 | { "zipl", 0, POPT_ARG_NONE, &configureZipl, 0, | ||
4283 | _("configure zipl bootloader") }, | ||
4284 | POPT_AUTOHELP | ||
4285 | { 0, 0, 0, 0, 0 } | ||
4286 | }; | ||
4287 | |||
4288 | niro | 914 | useextlinuxmenu=0; |
4289 | |||
4290 | signal(SIGSEGV, traceback); | ||
4291 | |||
4292 | niro | 2236 | int i = 0; |
4293 | for (int j = 1; j < argc; j++) | ||
4294 | i += strlen(argv[j]) + 1; | ||
4295 | saved_command_line = malloc(i); | ||
4296 | if (!saved_command_line) { | ||
4297 | fprintf(stderr, "grubby: %m\n"); | ||
4298 | exit(1); | ||
4299 | } | ||
4300 | saved_command_line[0] = '\0'; | ||
4301 | for (int j = 1; j < argc; j++) { | ||
4302 | strcat(saved_command_line, argv[j]); | ||
4303 | strncat(saved_command_line, j == argc -1 ? "" : " ", 1); | ||
4304 | } | ||
4305 | |||
4306 | niro | 532 | optCon = poptGetContext("grubby", argc, argv, options, 0); |
4307 | poptReadDefaultConfig(optCon, 1); | ||
4308 | |||
4309 | while ((arg = poptGetNextOpt(optCon)) >= 0) { | ||
4310 | switch (arg) { | ||
4311 | case 'v': | ||
4312 | printf("grubby version %s\n", VERSION); | ||
4313 | exit(0); | ||
4314 | break; | ||
4315 | niro | 914 | case 'i': |
4316 | if (extraInitrdCount < MAX_EXTRA_INITRDS) { | ||
4317 | extraInitrds[extraInitrdCount++] = strdup(poptGetOptArg(optCon)); | ||
4318 | } else { | ||
4319 | fprintf(stderr, _("grubby: extra initrd maximum is %d\n"), extraInitrdCount); | ||
4320 | return 1; | ||
4321 | } | ||
4322 | break; | ||
4323 | niro | 532 | } |
4324 | } | ||
4325 | |||
4326 | if (arg < -1) { | ||
4327 | fprintf(stderr, _("grubby: bad argument %s: %s\n"), | ||
4328 | poptBadOption(optCon, POPT_BADOPTION_NOALIAS), | ||
4329 | poptStrerror(arg)); | ||
4330 | return 1; | ||
4331 | } | ||
4332 | |||
4333 | if ((chptr = poptGetArg(optCon))) { | ||
4334 | fprintf(stderr, _("grubby: unexpected argument %s\n"), chptr); | ||
4335 | return 1; | ||
4336 | } | ||
4337 | |||
4338 | niro | 1696 | if ((configureLilo + configureGrub2 + configureGrub + configureELilo + |
4339 | niro | 914 | configureYaboot + configureSilo + configureZipl + |
4340 | configureExtLinux ) > 1) { | ||
4341 | niro | 532 | fprintf(stderr, _("grubby: cannot specify multiple bootloaders\n")); |
4342 | return 1; | ||
4343 | } else if (bootloaderProbe && grubConfig) { | ||
4344 | fprintf(stderr, | ||
4345 | _("grubby: cannot specify config file with --bootloader-probe\n")); | ||
4346 | return 1; | ||
4347 | niro | 1696 | } else if (configureGrub2) { |
4348 | cfi = &grub2ConfigType; | ||
4349 | niro | 2252 | if (envPath) |
4350 | cfi->envFile = envPath; | ||
4351 | niro | 532 | } else if (configureLilo) { |
4352 | cfi = &liloConfigType; | ||
4353 | } else if (configureGrub) { | ||
4354 | cfi = &grubConfigType; | ||
4355 | } else if (configureELilo) { | ||
4356 | cfi = &eliloConfigType; | ||
4357 | } else if (configureYaboot) { | ||
4358 | cfi = &yabootConfigType; | ||
4359 | } else if (configureSilo) { | ||
4360 | cfi = &siloConfigType; | ||
4361 | } else if (configureZipl) { | ||
4362 | cfi = &ziplConfigType; | ||
4363 | niro | 914 | } else if (configureExtLinux) { |
4364 | cfi = &extlinuxConfigType; | ||
4365 | useextlinuxmenu=1; | ||
4366 | niro | 532 | } |
4367 | |||
4368 | if (!cfi) { | ||
4369 | niro | 1802 | if (grub2FindConfig(&grub2ConfigType)) |
4370 | cfi = &grub2ConfigType; | ||
4371 | else | ||
4372 | niro | 532 | #ifdef __ia64__ |
4373 | niro | 1802 | cfi = &eliloConfigType; |
4374 | niro | 532 | #elif __powerpc__ |
4375 | niro | 1802 | cfi = &yabootConfigType; |
4376 | niro | 532 | #elif __sparc__ |
4377 | niro | 1802 | cfi = &siloConfigType; |
4378 | niro | 532 | #elif __s390__ |
4379 | niro | 1802 | cfi = &ziplConfigType; |
4380 | niro | 532 | #elif __s390x__ |
4381 | niro | 1802 | cfi = &ziplConfigtype; |
4382 | niro | 532 | #else |
4383 | niro | 1696 | cfi = &grubConfigType; |
4384 | niro | 532 | #endif |
4385 | } | ||
4386 | |||
4387 | niro | 1696 | if (!grubConfig) { |
4388 | if (cfi->findConfig) | ||
4389 | grubConfig = cfi->findConfig(cfi); | ||
4390 | if (!grubConfig) | ||
4391 | grubConfig = cfi->defaultConfig; | ||
4392 | } | ||
4393 | niro | 532 | |
4394 | niro | 2685 | if (bootloaderProbe && (displayDefault || kernelInfo || |
4395 | niro | 1859 | newKernelPath || removeKernelPath || makeDefault || |
4396 | defaultKernel || displayDefaultIndex || displayDefaultTitle || | ||
4397 | (defaultIndex >= 0))) { | ||
4398 | niro | 532 | fprintf(stderr, _("grubby: --bootloader-probe may not be used with " |
4399 | "specified option")); | ||
4400 | return 1; | ||
4401 | } | ||
4402 | |||
4403 | niro | 2685 | if ((displayDefault || kernelInfo) && (newKernelPath || |
4404 | niro | 532 | removeKernelPath)) { |
4405 | fprintf(stderr, _("grubby: --default-kernel and --info may not " | ||
4406 | "be used when adding or removing kernels\n")); | ||
4407 | return 1; | ||
4408 | } | ||
4409 | |||
4410 | if (newKernelPath && !newKernelTitle) { | ||
4411 | fprintf(stderr, _("grubby: kernel title must be specified\n")); | ||
4412 | return 1; | ||
4413 | niro | 1156 | } else if (!newKernelPath && (newKernelTitle || copyDefault || |
4414 | (newKernelInitrd && !updateKernelPath)|| | ||
4415 | niro | 914 | makeDefault || extraInitrdCount > 0)) { |
4416 | niro | 532 | fprintf(stderr, _("grubby: kernel path expected\n")); |
4417 | return 1; | ||
4418 | } | ||
4419 | |||
4420 | if (newKernelPath && updateKernelPath) { | ||
4421 | fprintf(stderr, _("grubby: --add-kernel and --update-kernel may" | ||
4422 | "not be used together")); | ||
4423 | return 1; | ||
4424 | } | ||
4425 | |||
4426 | if (makeDefault && defaultKernel) { | ||
4427 | fprintf(stderr, _("grubby: --make-default and --default-kernel " | ||
4428 | "may not be used together\n")); | ||
4429 | return 1; | ||
4430 | } else if (defaultKernel && removeKernelPath && | ||
4431 | !strcmp(defaultKernel, removeKernelPath)) { | ||
4432 | fprintf(stderr, _("grubby: cannot make removed kernel the default\n")); | ||
4433 | return 1; | ||
4434 | } else if (defaultKernel && newKernelPath && | ||
4435 | !strcmp(defaultKernel, newKernelPath)) { | ||
4436 | makeDefault = 1; | ||
4437 | defaultKernel = NULL; | ||
4438 | } | ||
4439 | niro | 1859 | else if (defaultKernel && (defaultIndex >= 0)) { |
4440 | fprintf(stderr, _("grubby: --set-default and --set-default-index " | ||
4441 | "may not be used together\n")); | ||
4442 | return 1; | ||
4443 | } | ||
4444 | niro | 532 | |
4445 | niro | 1717 | if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) { |
4446 | niro | 532 | fprintf(stderr, _("grubby: output file must be specified if stdin " |
4447 | "is used\n")); | ||
4448 | return 1; | ||
4449 | } | ||
4450 | |||
4451 | if (!removeKernelPath && !newKernelPath && !displayDefault && !defaultKernel | ||
4452 | niro | 1859 | && !kernelInfo && !bootloaderProbe && !updateKernelPath |
4453 | && !removeMBKernel && !displayDefaultIndex && !displayDefaultTitle | ||
4454 | && (defaultIndex == -1)) { | ||
4455 | niro | 532 | fprintf(stderr, _("grubby: no action specified\n")); |
4456 | return 1; | ||
4457 | } | ||
4458 | |||
4459 | flags |= badImageOkay ? GRUBBY_BADIMAGE_OKAY : 0; | ||
4460 | |||
4461 | if (cfi->needsBootPrefix) { | ||
4462 | if (!bootPrefix) { | ||
4463 | bootPrefix = findBootPrefix(); | ||
4464 | if (!bootPrefix) return 1; | ||
4465 | } else { | ||
4466 | /* this shouldn't end with a / */ | ||
4467 | if (bootPrefix[strlen(bootPrefix) - 1] == '/') | ||
4468 | bootPrefix[strlen(bootPrefix) - 1] = '\0'; | ||
4469 | } | ||
4470 | } else { | ||
4471 | bootPrefix = ""; | ||
4472 | } | ||
4473 | |||
4474 | niro | 914 | if (!cfi->mbAllowExtraInitRds && |
4475 | extraInitrdCount > 0) { | ||
4476 | fprintf(stderr, _("grubby: %s doesn't allow multiple initrds\n"), cfi->defaultConfig); | ||
4477 | return 1; | ||
4478 | } | ||
4479 | |||
4480 | niro | 532 | if (bootloaderProbe) { |
4481 | niro | 1854 | int lrc = 0, grc = 0, gr2c = 0, extrc = 0, yrc = 0, erc = 0; |
4482 | struct grubConfig * lconfig, * gconfig, * yconfig, * econfig; | ||
4483 | niro | 532 | |
4484 | niro | 1696 | const char *grub2config = grub2FindConfig(&grub2ConfigType); |
4485 | if (grub2config) { | ||
4486 | gconfig = readConfig(grub2config, &grub2ConfigType); | ||
4487 | if (!gconfig) | ||
4488 | gr2c = 1; | ||
4489 | else | ||
4490 | gr2c = checkForGrub2(gconfig); | ||
4491 | } | ||
4492 | |||
4493 | niro | 1715 | const char *grubconfig = grubFindConfig(&grubConfigType); |
4494 | if (!access(grubconfig, F_OK)) { | ||
4495 | gconfig = readConfig(grubconfig, &grubConfigType); | ||
4496 | niro | 532 | if (!gconfig) |
4497 | grc = 1; | ||
4498 | else | ||
4499 | grc = checkForGrub(gconfig); | ||
4500 | } | ||
4501 | |||
4502 | if (!access(liloConfigType.defaultConfig, F_OK)) { | ||
4503 | lconfig = readConfig(liloConfigType.defaultConfig, &liloConfigType); | ||
4504 | if (!lconfig) | ||
4505 | lrc = 1; | ||
4506 | else | ||
4507 | lrc = checkForLilo(lconfig); | ||
4508 | } | ||
4509 | |||
4510 | niro | 1854 | if (!access(eliloConfigType.defaultConfig, F_OK)) { |
4511 | econfig = readConfig(eliloConfigType.defaultConfig, | ||
4512 | &eliloConfigType); | ||
4513 | if (!econfig) | ||
4514 | erc = 1; | ||
4515 | else | ||
4516 | erc = checkForElilo(econfig); | ||
4517 | } | ||
4518 | |||
4519 | niro | 914 | if (!access(extlinuxConfigType.defaultConfig, F_OK)) { |
4520 | lconfig = readConfig(extlinuxConfigType.defaultConfig, &extlinuxConfigType); | ||
4521 | if (!lconfig) | ||
4522 | niro | 1854 | extrc = 1; |
4523 | niro | 914 | else |
4524 | niro | 1854 | extrc = checkForExtLinux(lconfig); |
4525 | niro | 914 | } |
4526 | |||
4527 | niro | 532 | |
4528 | niro | 1853 | if (!access(yabootConfigType.defaultConfig, F_OK)) { |
4529 | yconfig = readConfig(yabootConfigType.defaultConfig, | ||
4530 | &yabootConfigType); | ||
4531 | if (!yconfig) | ||
4532 | yrc = 1; | ||
4533 | else | ||
4534 | niro | 1864 | yrc = checkForYaboot(yconfig); |
4535 | niro | 1853 | } |
4536 | |||
4537 | niro | 1854 | if (lrc == 1 || grc == 1 || gr2c == 1 || extrc == 1 || yrc == 1 || |
4538 | niro | 1855 | erc == 1) |
4539 | niro | 1854 | return 1; |
4540 | niro | 1853 | |
4541 | niro | 532 | if (lrc == 2) printf("lilo\n"); |
4542 | niro | 1696 | if (gr2c == 2) printf("grub2\n"); |
4543 | niro | 532 | if (grc == 2) printf("grub\n"); |
4544 | niro | 1854 | if (extrc == 2) printf("extlinux\n"); |
4545 | niro | 1853 | if (yrc == 2) printf("yaboot\n"); |
4546 | niro | 1854 | if (erc == 2) printf("elilo\n"); |
4547 | niro | 532 | |
4548 | return 0; | ||
4549 | } | ||
4550 | |||
4551 | niro | 2246 | if (grubConfig == NULL) { |
4552 | printf("Could not find bootloader configuration file.\n"); | ||
4553 | exit(1); | ||
4554 | } | ||
4555 | |||
4556 | niro | 532 | config = readConfig(grubConfig, cfi); |
4557 | if (!config) return 1; | ||
4558 | |||
4559 | if (displayDefault) { | ||
4560 | struct singleLine * line; | ||
4561 | struct singleEntry * entry; | ||
4562 | char * rootspec; | ||
4563 | |||
4564 | if (config->defaultImage == -1) return 0; | ||
4565 | niro | 2255 | if (config->defaultImage == DEFAULT_SAVED_GRUB2 && |
4566 | cfi->defaultIsSaved) | ||
4567 | config->defaultImage = 0; | ||
4568 | niro | 532 | entry = findEntryByIndex(config, config->defaultImage); |
4569 | if (!entry) return 0; | ||
4570 | if (!suitableImage(entry, bootPrefix, 0, flags)) return 0; | ||
4571 | |||
4572 | niro | 2683 | line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines); |
4573 | niro | 532 | if (!line) return 0; |
4574 | |||
4575 | rootspec = getRootSpecifier(line->elements[1].item); | ||
4576 | printf("%s%s\n", bootPrefix, line->elements[1].item + | ||
4577 | ((rootspec != NULL) ? strlen(rootspec) : 0)); | ||
4578 | |||
4579 | return 0; | ||
4580 | niro | 1720 | |
4581 | niro | 1721 | } else if (displayDefaultTitle) { |
4582 | struct singleLine * line; | ||
4583 | struct singleEntry * entry; | ||
4584 | |||
4585 | if (config->defaultImage == -1) return 0; | ||
4586 | niro | 2255 | if (config->defaultImage == DEFAULT_SAVED_GRUB2 && |
4587 | cfi->defaultIsSaved) | ||
4588 | config->defaultImage = 0; | ||
4589 | niro | 1721 | entry = findEntryByIndex(config, config->defaultImage); |
4590 | if (!entry) return 0; | ||
4591 | |||
4592 | if (!configureGrub2) { | ||
4593 | line = getLineByType(LT_TITLE, entry->lines); | ||
4594 | if (!line) return 0; | ||
4595 | printf("%s\n", line->elements[1].item); | ||
4596 | |||
4597 | } else { | ||
4598 | niro | 1746 | char * title; |
4599 | niro | 1721 | |
4600 | dbgPrintf("This is GRUB2, default title is embeded in menuentry\n"); | ||
4601 | line = getLineByType(LT_MENUENTRY, entry->lines); | ||
4602 | if (!line) return 0; | ||
4603 | niro | 1746 | title = grub2ExtractTitle(line); |
4604 | if (title) | ||
4605 | printf("%s\n", title); | ||
4606 | niro | 1721 | } |
4607 | return 0; | ||
4608 | |||
4609 | niro | 1720 | } else if (displayDefaultIndex) { |
4610 | if (config->defaultImage == -1) return 0; | ||
4611 | niro | 2255 | if (config->defaultImage == DEFAULT_SAVED_GRUB2 && |
4612 | cfi->defaultIsSaved) | ||
4613 | config->defaultImage = 0; | ||
4614 | niro | 1720 | printf("%i\n", config->defaultImage); |
4615 | niro | 2250 | return 0; |
4616 | niro | 1720 | |
4617 | niro | 532 | } else if (kernelInfo) |
4618 | return displayInfo(config, kernelInfo, bootPrefix); | ||
4619 | |||
4620 | if (copyDefault) { | ||
4621 | template = findTemplate(config, bootPrefix, NULL, 0, flags); | ||
4622 | if (!template) return 1; | ||
4623 | } | ||
4624 | |||
4625 | markRemovedImage(config, removeKernelPath, bootPrefix); | ||
4626 | markRemovedImage(config, removeMBKernel, bootPrefix); | ||
4627 | setDefaultImage(config, newKernelPath != NULL, defaultKernel, makeDefault, | ||
4628 | niro | 1859 | bootPrefix, flags, defaultIndex); |
4629 | niro | 532 | setFallbackImage(config, newKernelPath != NULL); |
4630 | if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs, | ||
4631 | removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1; | ||
4632 | niro | 1156 | if (updateKernelPath && newKernelInitrd) { |
4633 | niro | 2263 | if (newMBKernel) { |
4634 | if (addMBInitrd(config, newMBKernel, updateKernelPath, | ||
4635 | bootPrefix, newKernelInitrd)) | ||
4636 | return 1; | ||
4637 | } else { | ||
4638 | if (updateInitrd(config, updateKernelPath, bootPrefix, | ||
4639 | newKernelInitrd)) | ||
4640 | return 1; | ||
4641 | } | ||
4642 | niro | 1156 | } |
4643 | niro | 532 | if (addNewKernel(config, template, bootPrefix, newKernelPath, |
4644 | newKernelTitle, newKernelArgs, newKernelInitrd, | ||
4645 | niro | 1844 | (const char **)extraInitrds, extraInitrdCount, |
4646 | niro | 2685 | newMBKernel, newMBKernelArgs, newDevTreePath)) return 1; |
4647 | niro | 532 | |
4648 | |||
4649 | if (numEntries(config) == 0) { | ||
4650 | fprintf(stderr, _("grubby: doing this would leave no kernel entries. " | ||
4651 | "Not writing out new config.\n")); | ||
4652 | return 1; | ||
4653 | } | ||
4654 | |||
4655 | if (!outputFile) | ||
4656 | niro | 1696 | outputFile = (char *)grubConfig; |
4657 | niro | 532 | |
4658 | return writeConfig(config, outputFile, bootPrefix); | ||
4659 | } |