Annotation of /trunk/grubby/grubby.c
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Tue Jun 27 14:11:58 2017 UTC (7 years, 3 months ago) by niro
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Tue Jun 27 14:11:58 2017 UTC (7 years, 3 months ago) by niro
File MIME type: text/plain
File size: 127293 byte(s)
Lindent, dammit.
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 | 3002 | int debug = 0; /* Currently just for template debugging */ |
52 | niro | 1736 | |
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 | niro | 3002 | char *item; |
74 | char *indent; | ||
75 | niro | 532 | }; |
76 | |||
77 | niro | 3002 | enum lineType_e { |
78 | 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 | LT_KERNEL_EFI = 1 << 20, | ||
98 | LT_INITRD_EFI = 1 << 21, | ||
99 | LT_KERNEL_16 = 1 << 22, | ||
100 | LT_INITRD_16 = 1 << 23, | ||
101 | LT_DEVTREE = 1 << 24, | ||
102 | LT_UNKNOWN = 1 << 25, | ||
103 | niro | 914 | }; |
104 | niro | 532 | |
105 | struct singleLine { | ||
106 | niro | 3002 | char *indent; |
107 | int numElements; | ||
108 | struct lineElement *elements; | ||
109 | struct singleLine *next; | ||
110 | enum lineType_e type; | ||
111 | niro | 532 | }; |
112 | |||
113 | struct singleEntry { | ||
114 | niro | 3002 | struct singleLine *lines; |
115 | int skip; | ||
116 | int multiboot; | ||
117 | struct singleEntry *next; | ||
118 | niro | 532 | }; |
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 | niro | 3002 | char *key; |
139 | enum lineType_e type; | ||
140 | char nextChar; | ||
141 | char separatorChar; | ||
142 | niro | 914 | }; |
143 | niro | 532 | |
144 | niro | 1696 | struct configFileInfo; |
145 | |||
146 | niro | 3002 | typedef const char *(*findConfigFunc) (struct configFileInfo *); |
147 | typedef const int (*writeLineFunc) (struct configFileInfo *, | ||
148 | struct singleLine * line); | ||
149 | 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 | niro | 3002 | char *defaultConfig; |
154 | findConfigFunc findConfig; | ||
155 | writeLineFunc writeLine; | ||
156 | getEnvFunc getEnv; | ||
157 | setEnvFunc setEnv; | ||
158 | struct keywordTypes *keywords; | ||
159 | int caseInsensitive; | ||
160 | int defaultIsIndex; | ||
161 | int defaultIsVariable; | ||
162 | int defaultSupportSaved; | ||
163 | int defaultIsSaved; | ||
164 | int defaultIsUnquoted; | ||
165 | enum lineType_e entryStart; | ||
166 | enum lineType_e entryEnd; | ||
167 | int needsBootPrefix; | ||
168 | int argsInQuotes; | ||
169 | int maxTitleLength; | ||
170 | int titleBracketed; | ||
171 | int titlePosition; | ||
172 | int mbHyperFirst; | ||
173 | int mbInitRdIsModule; | ||
174 | int mbConcatArgs; | ||
175 | int mbAllowExtraInitRds; | ||
176 | char *envFile; | ||
177 | niro | 532 | }; |
178 | |||
179 | struct keywordTypes grubKeywords[] = { | ||
180 | niro | 3002 | {"title", LT_TITLE, ' '}, |
181 | {"root", LT_BOOTROOT, ' '}, | ||
182 | {"default", LT_DEFAULT, ' '}, | ||
183 | {"fallback", LT_FALLBACK, ' '}, | ||
184 | {"kernel", LT_KERNEL, ' '}, | ||
185 | {"initrd", LT_INITRD, ' ', ' '}, | ||
186 | {"module", LT_MBMODULE, ' '}, | ||
187 | {"kernel", LT_HYPER, ' '}, | ||
188 | {NULL, 0, 0}, | ||
189 | niro | 532 | }; |
190 | |||
191 | niro | 3002 | const char *grubFindConfig(struct configFileInfo *cfi) |
192 | { | ||
193 | static const char *configFiles[] = { | ||
194 | "/boot/grub/grub.conf", | ||
195 | "/boot/grub/menu.lst", | ||
196 | "/etc/grub.conf", | ||
197 | NULL | ||
198 | }; | ||
199 | static int i = -1; | ||
200 | niro | 1715 | |
201 | niro | 3002 | if (i == -1) { |
202 | for (i = 0; configFiles[i] != NULL; i++) { | ||
203 | dbgPrintf("Checking \"%s\": ", configFiles[i]); | ||
204 | if (!access(configFiles[i], R_OK)) { | ||
205 | dbgPrintf("found\n"); | ||
206 | return configFiles[i]; | ||
207 | } | ||
208 | dbgPrintf("not found\n"); | ||
209 | } | ||
210 | niro | 1715 | } |
211 | niro | 3002 | return configFiles[i]; |
212 | niro | 1715 | } |
213 | |||
214 | niro | 532 | struct configFileInfo grubConfigType = { |
215 | niro | 3002 | .findConfig = grubFindConfig, |
216 | .keywords = grubKeywords, | ||
217 | .defaultIsIndex = 1, | ||
218 | .defaultSupportSaved = 1, | ||
219 | .entryStart = LT_TITLE, | ||
220 | .needsBootPrefix = 1, | ||
221 | .mbHyperFirst = 1, | ||
222 | .mbInitRdIsModule = 1, | ||
223 | .mbAllowExtraInitRds = 1, | ||
224 | .titlePosition = 1, | ||
225 | niro | 532 | }; |
226 | |||
227 | niro | 1696 | struct keywordTypes grub2Keywords[] = { |
228 | niro | 3002 | {"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 | {"linuxefi", LT_KERNEL_EFI, ' '}, | ||
237 | {"linux16", LT_KERNEL_16, ' '}, | ||
238 | {"initrd", LT_INITRD, ' ', ' '}, | ||
239 | {"initrdefi", LT_INITRD_EFI, ' ', ' '}, | ||
240 | {"initrd16", LT_INITRD_16, ' ', ' '}, | ||
241 | {"module", LT_MBMODULE, ' '}, | ||
242 | {"kernel", LT_HYPER, ' '}, | ||
243 | {"devicetree", LT_DEVTREE, ' '}, | ||
244 | {NULL, 0, 0}, | ||
245 | niro | 1696 | }; |
246 | |||
247 | niro | 3002 | const char *grub2FindConfig(struct configFileInfo *cfi) |
248 | { | ||
249 | static const char *configFiles[] = { | ||
250 | "/boot/grub/grub-efi.cfg", | ||
251 | "/boot/grub/grub.cfg", | ||
252 | "/etc/grub2-efi.cfg", | ||
253 | "/etc/grub2.cfg", | ||
254 | "/boot/grub2/grub.cfg", | ||
255 | "/boot/grub2-efi/grub.cfg", | ||
256 | NULL | ||
257 | }; | ||
258 | static int i = -1; | ||
259 | static const char *grub_cfg = "/boot/grub/grub.cfg"; | ||
260 | int rc = -1; | ||
261 | niro | 1696 | |
262 | niro | 3002 | if (i == -1) { |
263 | for (i = 0; configFiles[i] != NULL; i++) { | ||
264 | dbgPrintf("Checking \"%s\": ", configFiles[i]); | ||
265 | if ((rc = access(configFiles[i], R_OK))) { | ||
266 | if (errno == EACCES) { | ||
267 | printf | ||
268 | ("Unable to access bootloader configuration file " | ||
269 | "\"%s\": %m\n", configFiles[i]); | ||
270 | exit(1); | ||
271 | } | ||
272 | continue; | ||
273 | } else { | ||
274 | dbgPrintf("found\n"); | ||
275 | return configFiles[i]; | ||
276 | } | ||
277 | niro | 2246 | } |
278 | niro | 3002 | } |
279 | |||
280 | /* Ubuntu renames grub2 to grub, so check for the grub.d directory | ||
281 | * that isn't in grub1, and if it exists, return the config file path | ||
282 | * that they use. */ | ||
283 | if (configFiles[i] == NULL && !access("/etc/grub.d/", R_OK)) { | ||
284 | niro | 1696 | dbgPrintf("found\n"); |
285 | niro | 3002 | return grub_cfg; |
286 | niro | 1696 | } |
287 | niro | 1714 | |
288 | niro | 3002 | dbgPrintf("not found\n"); |
289 | return configFiles[i]; | ||
290 | niro | 1696 | } |
291 | |||
292 | niro | 2252 | /* kind of hacky. It'll give the first 1024 bytes, ish. */ |
293 | static char *grub2GetEnv(struct configFileInfo *info, char *name) | ||
294 | { | ||
295 | niro | 3002 | static char buf[1025]; |
296 | char *s = NULL; | ||
297 | char *ret = NULL; | ||
298 | char *envFile = info->envFile ? info->envFile : "/boot/grub/grubenv"; | ||
299 | int rc = | ||
300 | asprintf(&s, "grub-editenv %s list | grep '^%s='", envFile, name); | ||
301 | niro | 2252 | |
302 | niro | 3002 | if (rc < 0) |
303 | return NULL; | ||
304 | niro | 2252 | |
305 | niro | 3002 | FILE *f = popen(s, "r"); |
306 | if (!f) | ||
307 | goto out; | ||
308 | niro | 2252 | |
309 | niro | 3002 | memset(buf, '\0', sizeof(buf)); |
310 | ret = fgets(buf, 1024, f); | ||
311 | pclose(f); | ||
312 | niro | 2252 | |
313 | niro | 3002 | if (ret) { |
314 | ret += strlen(name) + 1; | ||
315 | ret[strlen(ret) - 1] = '\0'; | ||
316 | } | ||
317 | dbgPrintf("grub2GetEnv(%s): %s\n", name, ret); | ||
318 | niro | 2252 | out: |
319 | niro | 3002 | free(s); |
320 | return ret; | ||
321 | niro | 2252 | } |
322 | |||
323 | niro | 2257 | static int sPopCount(const char *s, const char *c) |
324 | { | ||
325 | niro | 3002 | int ret = 0; |
326 | if (!s) | ||
327 | return -1; | ||
328 | for (int i = 0; s[i] != '\0'; i++) | ||
329 | for (int j = 0; c[j] != '\0'; j++) | ||
330 | if (s[i] == c[j]) | ||
331 | ret++; | ||
332 | return ret; | ||
333 | niro | 2257 | } |
334 | |||
335 | static char *shellEscape(const char *s) | ||
336 | { | ||
337 | niro | 3002 | int l = strlen(s) + sPopCount(s, "'") * 2; |
338 | niro | 2257 | |
339 | niro | 3002 | char *ret = calloc(l + 1, sizeof(*ret)); |
340 | if (!ret) | ||
341 | return NULL; | ||
342 | for (int i = 0, j = 0; s[i] != '\0'; i++, j++) { | ||
343 | if (s[i] == '\'') | ||
344 | ret[j++] = '\\'; | ||
345 | ret[j] = s[i]; | ||
346 | } | ||
347 | return ret; | ||
348 | niro | 2257 | } |
349 | |||
350 | static void unquote(char *s) | ||
351 | { | ||
352 | niro | 3002 | int l = strlen(s); |
353 | niro | 2257 | |
354 | niro | 3002 | if ((s[l - 1] == '\'' && s[0] == '\'') |
355 | || (s[l - 1] == '"' && s[0] == '"')) { | ||
356 | memmove(s, s + 1, l - 2); | ||
357 | s[l - 2] = '\0'; | ||
358 | } | ||
359 | niro | 2257 | } |
360 | |||
361 | niro | 2252 | static int grub2SetEnv(struct configFileInfo *info, char *name, char *value) |
362 | { | ||
363 | niro | 3002 | char *s = NULL; |
364 | int rc = 0; | ||
365 | char *envFile = info->envFile ? info->envFile : "/boot/grub/grubenv"; | ||
366 | niro | 2252 | |
367 | niro | 3002 | unquote(value); |
368 | value = shellEscape(value); | ||
369 | if (!value) | ||
370 | return -1; | ||
371 | niro | 2257 | |
372 | niro | 3002 | rc = asprintf(&s, "grub-editenv %s set '%s=%s'", envFile, name, value); |
373 | free(value); | ||
374 | if (rc < 0) | ||
375 | return -1; | ||
376 | niro | 2252 | |
377 | niro | 3002 | dbgPrintf("grub2SetEnv(%s): %s\n", name, s); |
378 | rc = system(s); | ||
379 | free(s); | ||
380 | return rc; | ||
381 | niro | 2252 | } |
382 | |||
383 | /* this is a gigantic hack to avoid clobbering grub2 variables... */ | ||
384 | static int is_special_grub2_variable(const char *name) | ||
385 | { | ||
386 | niro | 3002 | if (!strcmp(name, "\"${next_entry}\"")) |
387 | return 1; | ||
388 | if (!strcmp(name, "\"${prev_saved_entry}\"")) | ||
389 | return 1; | ||
390 | return 0; | ||
391 | niro | 2252 | } |
392 | |||
393 | niro | 3002 | int sizeOfSingleLine(struct singleLine *line) |
394 | { | ||
395 | int count = 0; | ||
396 | niro | 1746 | |
397 | niro | 3002 | for (int i = 0; i < line->numElements; i++) { |
398 | int indentSize = 0; | ||
399 | niro | 1746 | |
400 | niro | 3002 | count = count + strlen(line->elements[i].item); |
401 | niro | 1746 | |
402 | niro | 3002 | indentSize = strlen(line->elements[i].indent); |
403 | if (indentSize > 0) | ||
404 | count = count + indentSize; | ||
405 | else | ||
406 | /* be extra safe and add room for whitespaces */ | ||
407 | count = count + 1; | ||
408 | } | ||
409 | niro | 1746 | |
410 | niro | 3002 | /* room for trailing terminator */ |
411 | count = count + 1; | ||
412 | niro | 1746 | |
413 | niro | 3002 | return count; |
414 | niro | 1746 | } |
415 | |||
416 | niro | 1800 | static int isquote(char q) |
417 | { | ||
418 | niro | 3002 | if (q == '\'' || q == '\"') |
419 | return 1; | ||
420 | return 0; | ||
421 | niro | 1800 | } |
422 | |||
423 | niro | 3002 | static int iskernel(enum lineType_e type) |
424 | { | ||
425 | return (type == LT_KERNEL || type == LT_KERNEL_EFI | ||
426 | || type == LT_KERNEL_16); | ||
427 | niro | 1940 | } |
428 | |||
429 | niro | 3002 | static int isinitrd(enum lineType_e type) |
430 | { | ||
431 | return (type == LT_INITRD || type == LT_INITRD_EFI | ||
432 | || type == LT_INITRD_16); | ||
433 | niro | 1940 | } |
434 | |||
435 | niro | 3002 | char *grub2ExtractTitle(struct singleLine *line) |
436 | { | ||
437 | char *current; | ||
438 | char *current_indent; | ||
439 | int current_len; | ||
440 | int current_indent_len; | ||
441 | int i; | ||
442 | niro | 1746 | |
443 | niro | 3002 | /* bail out if line does not start with menuentry */ |
444 | if (strcmp(line->elements[0].item, "menuentry")) | ||
445 | return NULL; | ||
446 | niro | 1746 | |
447 | niro | 3002 | i = 1; |
448 | current = line->elements[i].item; | ||
449 | current_len = strlen(current); | ||
450 | niro | 1746 | |
451 | niro | 3002 | /* if second word is quoted, strip the quotes and return single word */ |
452 | if (isquote(*current) && isquote(current[current_len - 1])) { | ||
453 | char *tmp; | ||
454 | niro | 2992 | |
455 | niro | 3002 | tmp = strdup(current + 1); |
456 | if (!tmp) | ||
457 | return NULL; | ||
458 | tmp[strlen(tmp) - 1] = '\0'; | ||
459 | return tmp; | ||
460 | } | ||
461 | niro | 1746 | |
462 | niro | 3002 | /* if no quotes, return second word verbatim */ |
463 | if (!isquote(*current)) | ||
464 | return current; | ||
465 | niro | 1746 | |
466 | niro | 3002 | /* second element start with a quote, so we have to find the element |
467 | * whose last character is also quote (assuming it's the closing one) */ | ||
468 | int resultMaxSize; | ||
469 | char *result; | ||
470 | /* need to ensure that ' does not match " as we search */ | ||
471 | char quote_char = *current; | ||
472 | niro | 2992 | |
473 | niro | 3002 | resultMaxSize = sizeOfSingleLine(line); |
474 | result = malloc(resultMaxSize); | ||
475 | snprintf(result, resultMaxSize, "%s", ++current); | ||
476 | niro | 2992 | |
477 | niro | 3002 | i++; |
478 | for (; i < line->numElements; ++i) { | ||
479 | current = line->elements[i].item; | ||
480 | current_len = strlen(current); | ||
481 | current_indent = line->elements[i].indent; | ||
482 | current_indent_len = strlen(current_indent); | ||
483 | niro | 1746 | |
484 | niro | 3002 | strncat(result, current_indent, current_indent_len); |
485 | if (current[current_len - 1] != quote_char) { | ||
486 | strncat(result, current, current_len); | ||
487 | } else { | ||
488 | strncat(result, current, current_len - 1); | ||
489 | break; | ||
490 | } | ||
491 | niro | 1746 | } |
492 | niro | 3002 | return result; |
493 | niro | 1746 | } |
494 | |||
495 | niro | 1696 | struct configFileInfo grub2ConfigType = { |
496 | niro | 3002 | .findConfig = grub2FindConfig, |
497 | .getEnv = grub2GetEnv, | ||
498 | .setEnv = grub2SetEnv, | ||
499 | .keywords = grub2Keywords, | ||
500 | .defaultIsIndex = 1, | ||
501 | .defaultSupportSaved = 1, | ||
502 | .defaultIsVariable = 1, | ||
503 | .entryStart = LT_MENUENTRY, | ||
504 | .entryEnd = LT_ENTRY_END, | ||
505 | .titlePosition = 1, | ||
506 | .needsBootPrefix = 1, | ||
507 | .mbHyperFirst = 1, | ||
508 | .mbInitRdIsModule = 1, | ||
509 | .mbAllowExtraInitRds = 1, | ||
510 | niro | 1696 | }; |
511 | |||
512 | niro | 532 | struct keywordTypes yabootKeywords[] = { |
513 | niro | 3002 | {"label", LT_TITLE, '='}, |
514 | {"root", LT_ROOT, '='}, | ||
515 | {"default", LT_DEFAULT, '='}, | ||
516 | {"image", LT_KERNEL, '='}, | ||
517 | {"bsd", LT_GENERIC, '='}, | ||
518 | {"macos", LT_GENERIC, '='}, | ||
519 | {"macosx", LT_GENERIC, '='}, | ||
520 | {"magicboot", LT_GENERIC, '='}, | ||
521 | {"darwin", LT_GENERIC, '='}, | ||
522 | {"timeout", LT_GENERIC, '='}, | ||
523 | {"install", LT_GENERIC, '='}, | ||
524 | {"fstype", LT_GENERIC, '='}, | ||
525 | {"hfstype", LT_GENERIC, '='}, | ||
526 | {"delay", LT_GENERIC, '='}, | ||
527 | {"defaultos", LT_GENERIC, '='}, | ||
528 | {"init-message", LT_GENERIC, '='}, | ||
529 | {"enablecdboot", LT_GENERIC, ' '}, | ||
530 | {"enableofboot", LT_GENERIC, ' '}, | ||
531 | {"enablenetboot", LT_GENERIC, ' '}, | ||
532 | {"nonvram", LT_GENERIC, ' '}, | ||
533 | {"hide", LT_GENERIC, ' '}, | ||
534 | {"protect", LT_GENERIC, ' '}, | ||
535 | {"nobless", LT_GENERIC, ' '}, | ||
536 | {"nonvram", LT_GENERIC, ' '}, | ||
537 | {"brokenosx", LT_GENERIC, ' '}, | ||
538 | {"usemount", LT_GENERIC, ' '}, | ||
539 | {"mntpoint", LT_GENERIC, '='}, | ||
540 | {"partition", LT_GENERIC, '='}, | ||
541 | {"device", LT_GENERIC, '='}, | ||
542 | {"fstype", LT_GENERIC, '='}, | ||
543 | {"initrd", LT_INITRD, '=', ';'}, | ||
544 | {"append", LT_KERNELARGS, '='}, | ||
545 | {"boot", LT_BOOT, '='}, | ||
546 | {"lba", LT_LBA, ' '}, | ||
547 | {NULL, 0, 0}, | ||
548 | niro | 532 | }; |
549 | |||
550 | struct keywordTypes liloKeywords[] = { | ||
551 | niro | 3002 | {"label", LT_TITLE, '='}, |
552 | {"root", LT_ROOT, '='}, | ||
553 | {"default", LT_DEFAULT, '='}, | ||
554 | {"image", LT_KERNEL, '='}, | ||
555 | {"other", LT_OTHER, '='}, | ||
556 | {"initrd", LT_INITRD, '='}, | ||
557 | {"append", LT_KERNELARGS, '='}, | ||
558 | {"boot", LT_BOOT, '='}, | ||
559 | {"lba", LT_LBA, ' '}, | ||
560 | {NULL, 0, 0}, | ||
561 | niro | 532 | }; |
562 | |||
563 | niro | 914 | struct keywordTypes eliloKeywords[] = { |
564 | niro | 3002 | {"label", LT_TITLE, '='}, |
565 | {"root", LT_ROOT, '='}, | ||
566 | {"default", LT_DEFAULT, '='}, | ||
567 | {"image", LT_KERNEL, '='}, | ||
568 | {"initrd", LT_INITRD, '='}, | ||
569 | {"append", LT_KERNELARGS, '='}, | ||
570 | {"vmm", LT_HYPER, '='}, | ||
571 | {NULL, 0, 0}, | ||
572 | niro | 914 | }; |
573 | |||
574 | niro | 532 | struct keywordTypes siloKeywords[] = { |
575 | niro | 3002 | {"label", LT_TITLE, '='}, |
576 | {"root", LT_ROOT, '='}, | ||
577 | {"default", LT_DEFAULT, '='}, | ||
578 | {"image", LT_KERNEL, '='}, | ||
579 | {"other", LT_OTHER, '='}, | ||
580 | {"initrd", LT_INITRD, '='}, | ||
581 | {"append", LT_KERNELARGS, '='}, | ||
582 | {"boot", LT_BOOT, '='}, | ||
583 | {NULL, 0, 0}, | ||
584 | niro | 532 | }; |
585 | |||
586 | struct keywordTypes ziplKeywords[] = { | ||
587 | niro | 3002 | {"target", LT_BOOTROOT, '='}, |
588 | {"image", LT_KERNEL, '='}, | ||
589 | {"ramdisk", LT_INITRD, '='}, | ||
590 | {"parameters", LT_KERNELARGS, '='}, | ||
591 | {"default", LT_DEFAULT, '='}, | ||
592 | {NULL, 0, 0}, | ||
593 | niro | 532 | }; |
594 | |||
595 | niro | 914 | struct keywordTypes extlinuxKeywords[] = { |
596 | niro | 3002 | {"label", LT_TITLE, ' '}, |
597 | {"root", LT_ROOT, ' '}, | ||
598 | {"default", LT_DEFAULT, ' '}, | ||
599 | {"kernel", LT_KERNEL, ' '}, | ||
600 | {"initrd", LT_INITRD, ' ', ','}, | ||
601 | {"append", LT_KERNELARGS, ' '}, | ||
602 | {"prompt", LT_UNKNOWN, ' '}, | ||
603 | {"fdt", LT_DEVTREE, ' '}, | ||
604 | {"fdtdir", LT_DEVTREE, ' '}, | ||
605 | {NULL, 0, 0}, | ||
606 | niro | 914 | }; |
607 | niro | 3002 | |
608 | niro | 914 | int useextlinuxmenu; |
609 | niro | 532 | struct configFileInfo eliloConfigType = { |
610 | niro | 3002 | .defaultConfig = "/boot/efi/EFI/redhat/elilo.conf", |
611 | .keywords = eliloKeywords, | ||
612 | .entryStart = LT_KERNEL, | ||
613 | .needsBootPrefix = 1, | ||
614 | .argsInQuotes = 1, | ||
615 | .mbConcatArgs = 1, | ||
616 | .titlePosition = 1, | ||
617 | niro | 532 | }; |
618 | |||
619 | struct configFileInfo liloConfigType = { | ||
620 | niro | 3002 | .defaultConfig = "/etc/lilo.conf", |
621 | .keywords = liloKeywords, | ||
622 | .entryStart = LT_KERNEL, | ||
623 | .argsInQuotes = 1, | ||
624 | .maxTitleLength = 15, | ||
625 | .titlePosition = 1, | ||
626 | niro | 532 | }; |
627 | |||
628 | struct configFileInfo yabootConfigType = { | ||
629 | niro | 3002 | .defaultConfig = "/etc/yaboot.conf", |
630 | .keywords = yabootKeywords, | ||
631 | .entryStart = LT_KERNEL, | ||
632 | .needsBootPrefix = 1, | ||
633 | .argsInQuotes = 1, | ||
634 | .maxTitleLength = 15, | ||
635 | .mbAllowExtraInitRds = 1, | ||
636 | .titlePosition = 1, | ||
637 | niro | 532 | }; |
638 | |||
639 | struct configFileInfo siloConfigType = { | ||
640 | niro | 3002 | .defaultConfig = "/etc/silo.conf", |
641 | .keywords = siloKeywords, | ||
642 | .entryStart = LT_KERNEL, | ||
643 | .needsBootPrefix = 1, | ||
644 | .argsInQuotes = 1, | ||
645 | .maxTitleLength = 15, | ||
646 | .titlePosition = 1, | ||
647 | niro | 532 | }; |
648 | |||
649 | struct configFileInfo ziplConfigType = { | ||
650 | niro | 3002 | .defaultConfig = "/etc/zipl.conf", |
651 | .keywords = ziplKeywords, | ||
652 | .entryStart = LT_TITLE, | ||
653 | .argsInQuotes = 1, | ||
654 | .titleBracketed = 1, | ||
655 | niro | 532 | }; |
656 | |||
657 | niro | 914 | struct configFileInfo extlinuxConfigType = { |
658 | niro | 3002 | .defaultConfig = "/boot/extlinux/extlinux.conf", |
659 | .keywords = extlinuxKeywords, | ||
660 | .caseInsensitive = 1, | ||
661 | .entryStart = LT_TITLE, | ||
662 | .needsBootPrefix = 1, | ||
663 | .maxTitleLength = 255, | ||
664 | .mbAllowExtraInitRds = 1, | ||
665 | .defaultIsUnquoted = 1, | ||
666 | .titlePosition = 1, | ||
667 | niro | 914 | }; |
668 | |||
669 | niro | 532 | struct grubConfig { |
670 | niro | 3002 | struct singleLine *theLines; |
671 | struct singleEntry *entries; | ||
672 | char *primaryIndent; | ||
673 | char *secondaryIndent; | ||
674 | int defaultImage; /* -1 if none specified -- this value is | ||
675 | * written out, overriding original */ | ||
676 | int fallbackImage; /* just like defaultImage */ | ||
677 | int flags; | ||
678 | struct configFileInfo *cfi; | ||
679 | niro | 532 | }; |
680 | |||
681 | niro | 1156 | blkid_cache blkid; |
682 | |||
683 | niro | 3002 | struct singleEntry *findEntryByIndex(struct grubConfig *cfg, int index); |
684 | struct singleEntry *findEntryByPath(struct grubConfig *cfg, | ||
685 | const char *path, const char *prefix, | ||
686 | int *index); | ||
687 | struct singleEntry *findEntryByTitle(struct grubConfig *cfg, char *title, | ||
688 | int *index); | ||
689 | static int readFile(int fd, char **bufPtr); | ||
690 | static void lineInit(struct singleLine *line); | ||
691 | struct singleLine *lineDup(struct singleLine *line); | ||
692 | static void lineFree(struct singleLine *line); | ||
693 | static int lineWrite(FILE * out, struct singleLine *line, | ||
694 | struct configFileInfo *cfi); | ||
695 | static int getNextLine(char **bufPtr, struct singleLine *line, | ||
696 | struct configFileInfo *cfi); | ||
697 | static char *getRootSpecifier(char *str); | ||
698 | static void requote(struct singleLine *line, struct configFileInfo *cfi); | ||
699 | static void insertElement(struct singleLine *line, | ||
700 | const char *item, int insertHere, | ||
701 | struct configFileInfo *cfi); | ||
702 | static void removeElement(struct singleLine *line, int removeHere); | ||
703 | static struct keywordTypes *getKeywordByType(enum lineType_e type, | ||
704 | struct configFileInfo *cfi); | ||
705 | static enum lineType_e getTypeByKeyword(char *keyword, | ||
706 | struct configFileInfo *cfi); | ||
707 | static struct singleLine *getLineByType(enum lineType_e type, | ||
708 | struct singleLine *line); | ||
709 | static int checkForExtLinux(struct grubConfig *config); | ||
710 | struct singleLine *addLineTmpl(struct singleEntry *entry, | ||
711 | struct singleLine *tmplLine, | ||
712 | struct singleLine *prevLine, | ||
713 | const char *val, struct configFileInfo *cfi); | ||
714 | struct singleLine *addLine(struct singleEntry *entry, | ||
715 | struct configFileInfo *cfi, | ||
716 | enum lineType_e type, char *defaultIndent, | ||
717 | const char *val); | ||
718 | niro | 532 | |
719 | niro | 3002 | static char *sdupprintf(const char *format, ...) |
720 | niro | 532 | #ifdef __GNUC__ |
721 | niro | 3002 | __attribute__ ((format(printf, 1, 2))); |
722 | niro | 532 | #else |
723 | niro | 3002 | ; |
724 | niro | 532 | #endif |
725 | |||
726 | niro | 3002 | static char *sdupprintf(const char *format, ...) |
727 | { | ||
728 | char *buf = NULL; | ||
729 | char c; | ||
730 | va_list args; | ||
731 | size_t size = 0; | ||
732 | va_start(args, format); | ||
733 | niro | 532 | |
734 | niro | 3002 | /* XXX requires C99 vsnprintf behavior */ |
735 | size = vsnprintf(&c, 1, format, args) + 1; | ||
736 | if (size == -1) { | ||
737 | printf("ERROR: vsnprintf behavior is not C99\n"); | ||
738 | abort(); | ||
739 | } | ||
740 | niro | 532 | |
741 | niro | 3002 | va_end(args); |
742 | va_start(args, format); | ||
743 | niro | 532 | |
744 | niro | 3002 | buf = malloc(size); |
745 | if (buf == NULL) | ||
746 | return NULL; | ||
747 | vsnprintf(buf, size, format, args); | ||
748 | va_end(args); | ||
749 | |||
750 | return buf; | ||
751 | niro | 532 | } |
752 | |||
753 | niro | 1940 | static enum lineType_e preferredLineType(enum lineType_e type, |
754 | niro | 3002 | struct configFileInfo *cfi) |
755 | { | ||
756 | if (isEfi && cfi == &grub2ConfigType) { | ||
757 | switch (type) { | ||
758 | case LT_KERNEL: | ||
759 | return isEfiOnly ? LT_KERNEL : LT_KERNEL_EFI; | ||
760 | case LT_INITRD: | ||
761 | return isEfiOnly ? LT_INITRD : LT_INITRD_EFI; | ||
762 | default: | ||
763 | return type; | ||
764 | } | ||
765 | niro | 2683 | #if defined(__i386__) || defined(__x86_64__) |
766 | niro | 3002 | } else if (cfi == &grub2ConfigType) { |
767 | switch (type) { | ||
768 | case LT_KERNEL: | ||
769 | return LT_KERNEL_16; | ||
770 | case LT_INITRD: | ||
771 | return LT_INITRD_16; | ||
772 | default: | ||
773 | return type; | ||
774 | } | ||
775 | #endif | ||
776 | niro | 2683 | } |
777 | niro | 3002 | return type; |
778 | niro | 1940 | } |
779 | |||
780 | niro | 3002 | static struct keywordTypes *getKeywordByType(enum lineType_e type, |
781 | struct configFileInfo *cfi) | ||
782 | { | ||
783 | for (struct keywordTypes * kw = cfi->keywords; kw->key; kw++) { | ||
784 | if (kw->type == type) | ||
785 | return kw; | ||
786 | } | ||
787 | return NULL; | ||
788 | niro | 914 | } |
789 | |||
790 | niro | 3002 | static char *getKeyByType(enum lineType_e type, struct configFileInfo *cfi) |
791 | { | ||
792 | struct keywordTypes *kt = getKeywordByType(type, cfi); | ||
793 | if (kt) | ||
794 | return kt->key; | ||
795 | return "unknown"; | ||
796 | niro | 1696 | } |
797 | |||
798 | niro | 3002 | static char *getpathbyspec(char *device) |
799 | { | ||
800 | if (!blkid) | ||
801 | blkid_get_cache(&blkid, NULL); | ||
802 | niro | 914 | |
803 | niro | 3002 | return blkid_get_devname(blkid, device, NULL); |
804 | niro | 914 | } |
805 | |||
806 | niro | 3002 | static char *getuuidbydev(char *device) |
807 | { | ||
808 | if (!blkid) | ||
809 | blkid_get_cache(&blkid, NULL); | ||
810 | niro | 1156 | |
811 | niro | 3002 | return blkid_get_tag_value(blkid, "UUID", device); |
812 | niro | 1156 | } |
813 | |||
814 | niro | 3002 | static enum lineType_e getTypeByKeyword(char *keyword, |
815 | struct configFileInfo *cfi) | ||
816 | { | ||
817 | for (struct keywordTypes * kw = cfi->keywords; kw->key; kw++) { | ||
818 | if (cfi->caseInsensitive) { | ||
819 | if (!strcasecmp(keyword, kw->key)) | ||
820 | return kw->type; | ||
821 | } else { | ||
822 | if (!strcmp(keyword, kw->key)) | ||
823 | return kw->type; | ||
824 | } | ||
825 | niro | 2056 | } |
826 | niro | 3002 | return LT_UNKNOWN; |
827 | niro | 914 | } |
828 | |||
829 | niro | 3002 | static struct singleLine *getLineByType(enum lineType_e type, |
830 | struct singleLine *line) | ||
831 | { | ||
832 | dbgPrintf("getLineByType(%d): ", type); | ||
833 | for (; line; line = line->next) { | ||
834 | dbgPrintf("%d:%s ", line->type, | ||
835 | line->numElements ? line->elements[0]. | ||
836 | item : "(empty)"); | ||
837 | if (line->type & type) | ||
838 | break; | ||
839 | } | ||
840 | dbgPrintf(line ? "\n" : " (failed)\n"); | ||
841 | return line; | ||
842 | niro | 914 | } |
843 | |||
844 | niro | 3002 | static int isBracketedTitle(struct singleLine *line) |
845 | { | ||
846 | if (line->numElements == 1 && *line->elements[0].item == '[') { | ||
847 | int len = strlen(line->elements[0].item); | ||
848 | if (*(line->elements[0].item + len - 1) == ']') { | ||
849 | /* FIXME: this is a hack... */ | ||
850 | if (strcmp(line->elements[0].item, "[defaultboot]")) { | ||
851 | return 1; | ||
852 | } | ||
853 | } | ||
854 | } | ||
855 | return 0; | ||
856 | niro | 532 | } |
857 | |||
858 | niro | 3002 | static int isEntryStart(struct singleLine *line, struct configFileInfo *cfi) |
859 | { | ||
860 | return line->type == cfi->entryStart || line->type == LT_OTHER || | ||
861 | (cfi->titleBracketed && isBracketedTitle(line)); | ||
862 | niro | 532 | } |
863 | |||
864 | /* extract the title from within brackets (for zipl) */ | ||
865 | niro | 3002 | static char *extractTitle(struct grubConfig *cfg, struct singleLine *line) |
866 | { | ||
867 | /* bracketed title... let's extract it */ | ||
868 | char *title = NULL; | ||
869 | if (line->type == LT_TITLE) { | ||
870 | char *tmp = line->elements[cfg->cfi->titlePosition].item; | ||
871 | if (cfg->cfi->titleBracketed) { | ||
872 | tmp++; | ||
873 | title = strdup(tmp); | ||
874 | *(title + strlen(title) - 1) = '\0'; | ||
875 | } else { | ||
876 | title = strdup(tmp); | ||
877 | } | ||
878 | } else if (line->type == LT_MENUENTRY) | ||
879 | title = strdup(line->elements[1].item); | ||
880 | else | ||
881 | return NULL; | ||
882 | return title; | ||
883 | niro | 532 | } |
884 | |||
885 | niro | 3002 | static int readFile(int fd, char **bufPtr) |
886 | { | ||
887 | int alloced = 0, size = 0, i = 0; | ||
888 | char *buf = NULL; | ||
889 | niro | 532 | |
890 | niro | 3002 | do { |
891 | size += i; | ||
892 | if ((size + 1024) > alloced) { | ||
893 | alloced += 4096; | ||
894 | buf = realloc(buf, alloced + 1); | ||
895 | } | ||
896 | } while ((i = read(fd, buf + size, 1024)) > 0); | ||
897 | |||
898 | if (i < 0) { | ||
899 | fprintf(stderr, _("error reading input: %s\n"), | ||
900 | strerror(errno)); | ||
901 | free(buf); | ||
902 | return 1; | ||
903 | niro | 532 | } |
904 | |||
905 | niro | 3002 | buf = realloc(buf, size + 2); |
906 | if (size == 0) | ||
907 | buf[size++] = '\n'; | ||
908 | else if (buf[size - 1] != '\n') | ||
909 | buf[size++] = '\n'; | ||
910 | buf[size] = '\0'; | ||
911 | niro | 532 | |
912 | niro | 3002 | *bufPtr = buf; |
913 | niro | 532 | |
914 | niro | 3002 | return 0; |
915 | niro | 532 | } |
916 | |||
917 | niro | 3002 | static void lineInit(struct singleLine *line) |
918 | { | ||
919 | line->indent = NULL; | ||
920 | line->elements = NULL; | ||
921 | line->numElements = 0; | ||
922 | line->next = NULL; | ||
923 | niro | 532 | } |
924 | |||
925 | niro | 3002 | struct singleLine *lineDup(struct singleLine *line) |
926 | { | ||
927 | struct singleLine *newLine = malloc(sizeof(*newLine)); | ||
928 | niro | 914 | |
929 | niro | 3002 | newLine->indent = strdup(line->indent); |
930 | newLine->next = NULL; | ||
931 | newLine->type = line->type; | ||
932 | newLine->numElements = line->numElements; | ||
933 | newLine->elements = malloc(sizeof(*newLine->elements) * | ||
934 | newLine->numElements); | ||
935 | niro | 914 | |
936 | niro | 3002 | for (int i = 0; i < newLine->numElements; i++) { |
937 | newLine->elements[i].indent = strdup(line->elements[i].indent); | ||
938 | newLine->elements[i].item = strdup(line->elements[i].item); | ||
939 | } | ||
940 | niro | 914 | |
941 | niro | 3002 | return newLine; |
942 | niro | 914 | } |
943 | |||
944 | niro | 3002 | static void lineFree(struct singleLine *line) |
945 | { | ||
946 | if (line->indent) | ||
947 | free(line->indent); | ||
948 | niro | 532 | |
949 | niro | 3002 | for (int i = 0; i < line->numElements; i++) { |
950 | free(line->elements[i].item); | ||
951 | free(line->elements[i].indent); | ||
952 | } | ||
953 | niro | 532 | |
954 | niro | 3002 | if (line->elements) |
955 | free(line->elements); | ||
956 | lineInit(line); | ||
957 | niro | 532 | } |
958 | |||
959 | niro | 3002 | static int lineWrite(FILE * out, struct singleLine *line, |
960 | struct configFileInfo *cfi) | ||
961 | { | ||
962 | if (fprintf(out, "%s", line->indent) == -1) | ||
963 | return -1; | ||
964 | niro | 532 | |
965 | niro | 3002 | for (int i = 0; i < line->numElements; i++) { |
966 | /* Need to handle this, because we strip the quotes from | ||
967 | * menuentry when read it. */ | ||
968 | if (line->type == LT_MENUENTRY && i == 1) { | ||
969 | if (!isquote(*line->elements[i].item)) { | ||
970 | int substring = 0; | ||
971 | /* If the line contains nested quotes, we did | ||
972 | * not strip the "interna" quotes and we must | ||
973 | * use the right quotes again when writing | ||
974 | * the updated file. */ | ||
975 | for (int j = i; j < line->numElements; j++) { | ||
976 | if (strchr(line->elements[i].item, '\'') | ||
977 | != NULL) { | ||
978 | substring = 1; | ||
979 | fprintf(out, "\"%s\"", | ||
980 | line->elements[i].item); | ||
981 | break; | ||
982 | } | ||
983 | } | ||
984 | if (!substring) | ||
985 | fprintf(out, "\'%s\'", | ||
986 | line->elements[i].item); | ||
987 | } else { | ||
988 | fprintf(out, "%s", line->elements[i].item); | ||
989 | } | ||
990 | fprintf(out, "%s", line->elements[i].indent); | ||
991 | |||
992 | continue; | ||
993 | niro | 2989 | } |
994 | niro | 1801 | |
995 | niro | 3002 | if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes) |
996 | if (fputc('"', out) == EOF) | ||
997 | return -1; | ||
998 | |||
999 | if (fprintf(out, "%s", line->elements[i].item) == -1) | ||
1000 | return -1; | ||
1001 | if (i < line->numElements - 1) | ||
1002 | if (fprintf(out, "%s", line->elements[i].indent) == -1) | ||
1003 | return -1; | ||
1004 | niro | 1801 | } |
1005 | |||
1006 | niro | 3002 | if (line->type == LT_KERNELARGS && cfi->argsInQuotes) |
1007 | if (fputc('"', out) == EOF) | ||
1008 | return -1; | ||
1009 | niro | 532 | |
1010 | niro | 3002 | if (fprintf(out, "\n") == -1) |
1011 | return -1; | ||
1012 | niro | 532 | |
1013 | niro | 3002 | return 0; |
1014 | niro | 532 | } |
1015 | |||
1016 | /* we've guaranteed that the buffer ends w/ \n\0 */ | ||
1017 | niro | 3002 | static int getNextLine(char **bufPtr, struct singleLine *line, |
1018 | struct configFileInfo *cfi) | ||
1019 | { | ||
1020 | char *end; | ||
1021 | char *start = *bufPtr; | ||
1022 | char *chptr; | ||
1023 | int elementsAlloced = 0; | ||
1024 | struct lineElement *element; | ||
1025 | int first = 1; | ||
1026 | niro | 532 | |
1027 | niro | 3002 | lineFree(line); |
1028 | niro | 532 | |
1029 | niro | 3002 | end = strchr(start, '\n'); |
1030 | *end = '\0'; | ||
1031 | *bufPtr = end + 1; | ||
1032 | niro | 532 | |
1033 | niro | 3002 | for (chptr = start; *chptr && isspace(*chptr); chptr++) ; |
1034 | niro | 532 | |
1035 | niro | 3002 | line->indent = strndup(start, chptr - start); |
1036 | start = chptr; | ||
1037 | niro | 532 | |
1038 | niro | 3002 | while (start < end) { |
1039 | /* we know !isspace(*start) */ | ||
1040 | niro | 532 | |
1041 | niro | 3002 | if (elementsAlloced == line->numElements) { |
1042 | elementsAlloced += 5; | ||
1043 | line->elements = realloc(line->elements, | ||
1044 | sizeof(*line->elements) * | ||
1045 | elementsAlloced); | ||
1046 | } | ||
1047 | niro | 532 | |
1048 | niro | 3002 | element = line->elements + line->numElements; |
1049 | niro | 532 | |
1050 | niro | 3002 | chptr = start; |
1051 | while (*chptr && !isspace(*chptr)) { | ||
1052 | if (first && *chptr == '=') | ||
1053 | break; | ||
1054 | chptr++; | ||
1055 | } | ||
1056 | element->item = strndup(start, chptr - start); | ||
1057 | start = chptr; | ||
1058 | niro | 532 | |
1059 | niro | 3002 | /* lilo actually accepts the pathological case of |
1060 | * append = " foo " */ | ||
1061 | if (*start == '=') | ||
1062 | chptr = start + 1; | ||
1063 | else | ||
1064 | chptr = start; | ||
1065 | niro | 532 | |
1066 | niro | 3002 | do { |
1067 | for (; *chptr && isspace(*chptr); chptr++) ; | ||
1068 | if (*chptr == '=') | ||
1069 | chptr = chptr + 1; | ||
1070 | } while (isspace(*chptr)); | ||
1071 | niro | 532 | |
1072 | niro | 3002 | element->indent = strndup(start, chptr - start); |
1073 | start = chptr; | ||
1074 | niro | 532 | |
1075 | niro | 3002 | line->numElements++; |
1076 | first = 0; | ||
1077 | } | ||
1078 | niro | 532 | |
1079 | niro | 3002 | if (!line->numElements) |
1080 | line->type = LT_WHITESPACE; | ||
1081 | else { | ||
1082 | line->type = getTypeByKeyword(line->elements[0].item, cfi); | ||
1083 | if (line->type == LT_UNKNOWN) { | ||
1084 | /* zipl does [title] instead of something reasonable | ||
1085 | * like all the other boot loaders. kind of ugly */ | ||
1086 | if (cfi->titleBracketed && isBracketedTitle(line)) { | ||
1087 | line->type = LT_TITLE; | ||
1088 | } | ||
1089 | niro | 532 | |
1090 | niro | 3002 | /* this is awkward, but we need to be able to handle |
1091 | * keywords that begin with a # (specifically for | ||
1092 | * #boot in grub.conf), but still make comments lines | ||
1093 | * with no elements (everything stored in the indent | ||
1094 | */ | ||
1095 | if (*line->elements[0].item == '#') { | ||
1096 | char *fullLine; | ||
1097 | int len; | ||
1098 | niro | 532 | |
1099 | niro | 3002 | len = strlen(line->indent); |
1100 | for (int i = 0; i < line->numElements; i++) | ||
1101 | len += strlen(line->elements[i].item) + | ||
1102 | strlen(line->elements[i].indent); | ||
1103 | niro | 532 | |
1104 | niro | 3002 | fullLine = malloc(len + 1); |
1105 | strcpy(fullLine, line->indent); | ||
1106 | free(line->indent); | ||
1107 | line->indent = fullLine; | ||
1108 | niro | 532 | |
1109 | niro | 3002 | for (int i = 0; i < line->numElements; i++) { |
1110 | strcat(fullLine, | ||
1111 | line->elements[i].item); | ||
1112 | strcat(fullLine, | ||
1113 | line->elements[i].indent); | ||
1114 | free(line->elements[i].item); | ||
1115 | free(line->elements[i].indent); | ||
1116 | } | ||
1117 | niro | 532 | |
1118 | niro | 3002 | line->type = LT_WHITESPACE; |
1119 | line->numElements = 0; | ||
1120 | } | ||
1121 | } else { | ||
1122 | struct keywordTypes *kw; | ||
1123 | niro | 914 | |
1124 | niro | 3002 | kw = getKeywordByType(line->type, cfi); |
1125 | niro | 914 | |
1126 | niro | 3002 | /* space isn't the only separator, we need to split |
1127 | * elements up more | ||
1128 | */ | ||
1129 | if (!isspace(kw->separatorChar)) { | ||
1130 | char indent[2] = ""; | ||
1131 | indent[0] = kw->separatorChar; | ||
1132 | for (int i = 1; i < line->numElements; i++) { | ||
1133 | char *p; | ||
1134 | int numNewElements; | ||
1135 | niro | 914 | |
1136 | niro | 3002 | numNewElements = 0; |
1137 | p = line->elements[i].item; | ||
1138 | while (*p != '\0') { | ||
1139 | if (*p == kw->separatorChar) | ||
1140 | numNewElements++; | ||
1141 | p++; | ||
1142 | } | ||
1143 | if (line->numElements + | ||
1144 | numNewElements >= elementsAlloced) { | ||
1145 | elementsAlloced += | ||
1146 | numNewElements + 5; | ||
1147 | line->elements = | ||
1148 | realloc(line->elements, | ||
1149 | sizeof(*line-> | ||
1150 | elements) * | ||
1151 | elementsAlloced); | ||
1152 | } | ||
1153 | niro | 914 | |
1154 | niro | 3002 | for (int j = line->numElements; j > i; |
1155 | j--) { | ||
1156 | line->elements[j + | ||
1157 | numNewElements] = | ||
1158 | line->elements[j]; | ||
1159 | } | ||
1160 | line->numElements += numNewElements; | ||
1161 | niro | 914 | |
1162 | niro | 3002 | p = line->elements[i].item; |
1163 | while (*p != '\0') { | ||
1164 | niro | 914 | |
1165 | niro | 3002 | while (*p != kw->separatorChar |
1166 | && *p != '\0') | ||
1167 | p++; | ||
1168 | if (*p == '\0') { | ||
1169 | break; | ||
1170 | } | ||
1171 | |||
1172 | line->elements[i + 1].indent = | ||
1173 | line->elements[i].indent; | ||
1174 | line->elements[i].indent = | ||
1175 | strdup(indent); | ||
1176 | *p++ = '\0'; | ||
1177 | i++; | ||
1178 | line->elements[i].item = | ||
1179 | strdup(p); | ||
1180 | } | ||
1181 | niro | 914 | } |
1182 | } | ||
1183 | } | ||
1184 | niro | 532 | } |
1185 | |||
1186 | niro | 3002 | return 0; |
1187 | niro | 532 | } |
1188 | |||
1189 | niro | 2258 | static int isnumber(const char *s) |
1190 | { | ||
1191 | niro | 3002 | int i; |
1192 | for (i = 0; s[i] != '\0'; i++) | ||
1193 | if (s[i] < '0' || s[i] > '9') | ||
1194 | return 0; | ||
1195 | return i; | ||
1196 | niro | 2258 | } |
1197 | |||
1198 | niro | 3002 | static struct grubConfig *readConfig(const char *inName, |
1199 | struct configFileInfo *cfi) | ||
1200 | { | ||
1201 | int in; | ||
1202 | char *incoming = NULL, *head; | ||
1203 | int rc; | ||
1204 | int sawEntry = 0; | ||
1205 | int movedLine = 0; | ||
1206 | struct grubConfig *cfg; | ||
1207 | struct singleLine *last = NULL, *line, *defaultLine = NULL; | ||
1208 | char *end; | ||
1209 | struct singleEntry *entry = NULL; | ||
1210 | int len; | ||
1211 | char *buf; | ||
1212 | niro | 532 | |
1213 | niro | 3002 | if (inName == NULL) { |
1214 | printf("Could not find bootloader configuration\n"); | ||
1215 | exit(1); | ||
1216 | } else if (!strcmp(inName, "-")) { | ||
1217 | in = 0; | ||
1218 | } else { | ||
1219 | if ((in = open(inName, O_RDONLY)) < 0) { | ||
1220 | fprintf(stderr, _("error opening %s for read: %s\n"), | ||
1221 | inName, strerror(errno)); | ||
1222 | return NULL; | ||
1223 | } | ||
1224 | niro | 532 | } |
1225 | |||
1226 | niro | 3002 | rc = readFile(in, &incoming); |
1227 | close(in); | ||
1228 | if (rc) | ||
1229 | return NULL; | ||
1230 | niro | 532 | |
1231 | niro | 3002 | head = incoming; |
1232 | cfg = malloc(sizeof(*cfg)); | ||
1233 | cfg->primaryIndent = strdup(""); | ||
1234 | cfg->secondaryIndent = strdup("\t"); | ||
1235 | cfg->flags = GRUB_CONFIG_NO_DEFAULT; | ||
1236 | cfg->cfi = cfi; | ||
1237 | cfg->theLines = NULL; | ||
1238 | cfg->entries = NULL; | ||
1239 | cfg->fallbackImage = 0; | ||
1240 | niro | 532 | |
1241 | niro | 3002 | /* copy everything we have */ |
1242 | while (*head) { | ||
1243 | line = malloc(sizeof(*line)); | ||
1244 | lineInit(line); | ||
1245 | niro | 532 | |
1246 | niro | 3002 | if (getNextLine(&head, line, cfi)) { |
1247 | free(line); | ||
1248 | /* XXX memory leak of everything in cfg */ | ||
1249 | return NULL; | ||
1250 | } | ||
1251 | niro | 532 | |
1252 | niro | 3002 | if (!sawEntry && line->numElements) { |
1253 | free(cfg->primaryIndent); | ||
1254 | cfg->primaryIndent = strdup(line->indent); | ||
1255 | } else if (line->numElements) { | ||
1256 | free(cfg->secondaryIndent); | ||
1257 | cfg->secondaryIndent = strdup(line->indent); | ||
1258 | } | ||
1259 | niro | 532 | |
1260 | niro | 3002 | if (isEntryStart(line, cfi) || (cfg->entries && !sawEntry)) { |
1261 | sawEntry = 1; | ||
1262 | if (!entry) { | ||
1263 | cfg->entries = malloc(sizeof(*entry)); | ||
1264 | entry = cfg->entries; | ||
1265 | } else { | ||
1266 | entry->next = malloc(sizeof(*entry)); | ||
1267 | entry = entry->next; | ||
1268 | } | ||
1269 | niro | 532 | |
1270 | niro | 3002 | entry->skip = 0; |
1271 | entry->multiboot = 0; | ||
1272 | entry->lines = NULL; | ||
1273 | entry->next = NULL; | ||
1274 | } | ||
1275 | niro | 532 | |
1276 | niro | 3002 | if (line->type == LT_SET_VARIABLE) { |
1277 | dbgPrintf("found 'set' command (%d elements): ", | ||
1278 | line->numElements); | ||
1279 | dbgPrintf("%s", line->indent); | ||
1280 | for (int i = 0; i < line->numElements; i++) | ||
1281 | dbgPrintf("\"%s\"%s", line->elements[i].item, | ||
1282 | line->elements[i].indent); | ||
1283 | dbgPrintf("\n"); | ||
1284 | struct keywordTypes *kwType = | ||
1285 | getKeywordByType(LT_DEFAULT, cfi); | ||
1286 | if (kwType && line->numElements == 3 | ||
1287 | && !strcmp(line->elements[1].item, kwType->key) | ||
1288 | && !is_special_grub2_variable(line->elements[2]. | ||
1289 | item)) { | ||
1290 | dbgPrintf("Line sets default config\n"); | ||
1291 | cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT; | ||
1292 | defaultLine = line; | ||
1293 | } | ||
1294 | niro | 914 | |
1295 | niro | 3002 | } else if (iskernel(line->type)) { |
1296 | /* if by some freak chance this is multiboot and the | ||
1297 | * "module" lines came earlier in the template, make | ||
1298 | * sure to use LT_HYPER instead of LT_KERNEL now | ||
1299 | */ | ||
1300 | if (entry && entry->multiboot) | ||
1301 | line->type = LT_HYPER; | ||
1302 | niro | 914 | |
1303 | niro | 3002 | } else if (line->type == LT_MBMODULE) { |
1304 | /* go back and fix the LT_KERNEL line to indicate | ||
1305 | * LT_HYPER instead, now that we know this is a | ||
1306 | * multiboot entry. This only applies to grub, but | ||
1307 | * that's the only place we should find LT_MBMODULE | ||
1308 | * lines anyway. | ||
1309 | */ | ||
1310 | for (struct singleLine * l = entry->lines; l; | ||
1311 | l = l->next) { | ||
1312 | if (l->type == LT_HYPER) | ||
1313 | break; | ||
1314 | else if (iskernel(l->type)) { | ||
1315 | l->type = LT_HYPER; | ||
1316 | break; | ||
1317 | } | ||
1318 | } | ||
1319 | entry->multiboot = 1; | ||
1320 | niro | 914 | |
1321 | niro | 3002 | } else if (line->type == LT_HYPER) { |
1322 | entry->multiboot = 1; | ||
1323 | niro | 914 | |
1324 | niro | 3002 | } else if (line->type == LT_FALLBACK && line->numElements == 2) { |
1325 | cfg->fallbackImage = | ||
1326 | strtol(line->elements[1].item, &end, 10); | ||
1327 | if (*end) | ||
1328 | cfg->fallbackImage = -1; | ||
1329 | niro | 914 | |
1330 | niro | 3002 | } else if ((line->type == LT_DEFAULT && cfi->defaultIsUnquoted) |
1331 | || (line->type == LT_TITLE | ||
1332 | && line->numElements > 1)) { | ||
1333 | /* make the title/default a single argument (undoing | ||
1334 | * our parsing) */ | ||
1335 | len = 0; | ||
1336 | for (int i = 1; i < line->numElements; i++) { | ||
1337 | len += strlen(line->elements[i].item); | ||
1338 | len += strlen(line->elements[i].indent); | ||
1339 | } | ||
1340 | buf = malloc(len + 1); | ||
1341 | *buf = '\0'; | ||
1342 | niro | 532 | |
1343 | niro | 3002 | for (int i = 1; i < line->numElements; i++) { |
1344 | strcat(buf, line->elements[i].item); | ||
1345 | free(line->elements[i].item); | ||
1346 | niro | 532 | |
1347 | niro | 3002 | if ((i + 1) != line->numElements) { |
1348 | strcat(buf, line->elements[i].indent); | ||
1349 | free(line->elements[i].indent); | ||
1350 | } | ||
1351 | } | ||
1352 | niro | 532 | |
1353 | niro | 3002 | line->elements[1].indent = |
1354 | line->elements[line->numElements - 1].indent; | ||
1355 | line->elements[1].item = buf; | ||
1356 | line->numElements = 2; | ||
1357 | } else if (line->type == LT_MENUENTRY && line->numElements > 3) { | ||
1358 | /* let --remove-kernel="TITLE=what" work */ | ||
1359 | len = 0; | ||
1360 | char *extras; | ||
1361 | char *title; | ||
1362 | /* initially unseen value */ | ||
1363 | char quote_char = '\0'; | ||
1364 | niro | 914 | |
1365 | niro | 3002 | for (int i = 1; i < line->numElements; i++) { |
1366 | len += strlen(line->elements[i].item); | ||
1367 | len += strlen(line->elements[i].indent); | ||
1368 | } | ||
1369 | buf = malloc(len + 1); | ||
1370 | *buf = '\0'; | ||
1371 | niro | 1801 | |
1372 | niro | 3002 | /* allocate mem for extra flags. */ |
1373 | extras = malloc(len + 1); | ||
1374 | *extras = '\0'; | ||
1375 | niro | 1801 | |
1376 | niro | 3002 | /* get title. */ |
1377 | for (int i = 0; i < line->numElements; i++) { | ||
1378 | if (!strcmp | ||
1379 | (line->elements[i].item, "menuentry")) | ||
1380 | continue; | ||
1381 | if (isquote(*line->elements[i].item) | ||
1382 | && quote_char == '\0') { | ||
1383 | /* ensure we properly pair off quotes */ | ||
1384 | quote_char = *line->elements[i].item; | ||
1385 | title = line->elements[i].item + 1; | ||
1386 | } else { | ||
1387 | title = line->elements[i].item; | ||
1388 | } | ||
1389 | niro | 1801 | |
1390 | niro | 3002 | len = strlen(title); |
1391 | if (title[len - 1] == quote_char) { | ||
1392 | strncat(buf, title, len - 1); | ||
1393 | break; | ||
1394 | } else { | ||
1395 | strcat(buf, title); | ||
1396 | strcat(buf, line->elements[i].indent); | ||
1397 | } | ||
1398 | } | ||
1399 | niro | 1801 | |
1400 | niro | 3002 | /* get extras */ |
1401 | int count = 0; | ||
1402 | quote_char = '\0'; | ||
1403 | for (int i = 0; i < line->numElements; i++) { | ||
1404 | if (count >= 2) { | ||
1405 | strcat(extras, line->elements[i].item); | ||
1406 | strcat(extras, | ||
1407 | line->elements[i].indent); | ||
1408 | } | ||
1409 | niro | 1801 | |
1410 | niro | 3002 | if (!strcmp |
1411 | (line->elements[i].item, "menuentry")) | ||
1412 | continue; | ||
1413 | niro | 1801 | |
1414 | niro | 3002 | /* count ' or ", there should be two in menuentry line. */ |
1415 | if (isquote(*line->elements[i].item) | ||
1416 | && quote_char == '\0') { | ||
1417 | /* ensure we properly pair off quotes */ | ||
1418 | quote_char = *line->elements[i].item; | ||
1419 | count++; | ||
1420 | } | ||
1421 | niro | 1801 | |
1422 | niro | 3002 | len = strlen(line->elements[i].item); |
1423 | niro | 1801 | |
1424 | niro | 3002 | if (line->elements[i].item[len - 1] == |
1425 | quote_char) | ||
1426 | count++; | ||
1427 | niro | 1801 | |
1428 | niro | 3002 | /* ok, we get the final ' or ", others are extras. */ |
1429 | } | ||
1430 | line->elements[1].indent = | ||
1431 | line->elements[line->numElements - 2].indent; | ||
1432 | line->elements[1].item = buf; | ||
1433 | line->elements[2].indent = | ||
1434 | line->elements[line->numElements - 2].indent; | ||
1435 | line->elements[2].item = extras; | ||
1436 | line->numElements = 3; | ||
1437 | } else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) { | ||
1438 | /* Strip off any " which may be present; they'll be | ||
1439 | * put back on write. This is one of the few (the | ||
1440 | * only?) places that grubby canonicalizes the output | ||
1441 | */ | ||
1442 | if (line->numElements >= 2) { | ||
1443 | int last, len; | ||
1444 | niro | 532 | |
1445 | niro | 3002 | if (isquote(*line->elements[1].item)) |
1446 | memmove(line->elements[1].item, | ||
1447 | line->elements[1].item + 1, | ||
1448 | strlen(line->elements[1].item + | ||
1449 | 1) + 1); | ||
1450 | niro | 532 | |
1451 | niro | 3002 | last = line->numElements - 1; |
1452 | len = strlen(line->elements[last].item) - 1; | ||
1453 | if (isquote(line->elements[last].item[len])) | ||
1454 | line->elements[last].item[len] = '\0'; | ||
1455 | } | ||
1456 | } | ||
1457 | niro | 532 | |
1458 | niro | 3002 | if (line->type == LT_DEFAULT && line->numElements == 2) { |
1459 | cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT; | ||
1460 | defaultLine = line; | ||
1461 | } | ||
1462 | niro | 532 | |
1463 | niro | 3002 | /* If we find a generic config option which should live at the |
1464 | top of the file, move it there. Old versions of grubby were | ||
1465 | probably responsible for putting new images in the wrong | ||
1466 | place in front of it anyway. */ | ||
1467 | if (sawEntry && line->type == LT_GENERIC) { | ||
1468 | struct singleLine **l = &cfg->theLines; | ||
1469 | struct singleLine **last_nonws = &cfg->theLines; | ||
1470 | while (*l) { | ||
1471 | if ((*l)->type != LT_WHITESPACE) | ||
1472 | last_nonws = &((*l)->next); | ||
1473 | l = &((*l)->next); | ||
1474 | } | ||
1475 | line->next = *last_nonws; | ||
1476 | *last_nonws = line; | ||
1477 | movedLine = 1; | ||
1478 | continue; /* without setting 'last' */ | ||
1479 | } | ||
1480 | niro | 2692 | |
1481 | niro | 3002 | /* If a second line of whitespace happens after a generic |
1482 | * option which was moved, drop it. */ | ||
1483 | if (movedLine && line->type == LT_WHITESPACE | ||
1484 | && last->type == LT_WHITESPACE) { | ||
1485 | lineFree(line); | ||
1486 | free(line); | ||
1487 | movedLine = 0; | ||
1488 | continue; | ||
1489 | niro | 532 | } |
1490 | movedLine = 0; | ||
1491 | |||
1492 | niro | 3002 | if (sawEntry) { |
1493 | if (!entry->lines) | ||
1494 | entry->lines = line; | ||
1495 | else | ||
1496 | last->next = line; | ||
1497 | dbgPrintf("readConfig added %s to %p\n", | ||
1498 | getKeyByType(line->type, cfi), entry); | ||
1499 | niro | 1696 | |
1500 | niro | 3002 | /* we could have seen this outside of an entry... if |
1501 | * so, we ignore it like any other line we don't grok | ||
1502 | */ | ||
1503 | if (line->type == LT_ENTRY_END && sawEntry) | ||
1504 | sawEntry = 0; | ||
1505 | } else { | ||
1506 | if (!cfg->theLines) | ||
1507 | cfg->theLines = line; | ||
1508 | else | ||
1509 | last->next = line; | ||
1510 | dbgPrintf("readConfig added %s to cfg\n", | ||
1511 | getKeyByType(line->type, cfi)); | ||
1512 | } | ||
1513 | |||
1514 | last = line; | ||
1515 | niro | 532 | } |
1516 | |||
1517 | niro | 3002 | free(incoming); |
1518 | niro | 532 | |
1519 | niro | 3002 | dbgPrintf("defaultLine is %s\n", defaultLine ? "set" : "unset"); |
1520 | if (defaultLine) { | ||
1521 | if (defaultLine->numElements > 2 && | ||
1522 | cfi->defaultSupportSaved && | ||
1523 | !strncmp(defaultLine->elements[2].item, | ||
1524 | "\"${saved_entry}\"", 16)) { | ||
1525 | cfg->cfi->defaultIsSaved = 1; | ||
1526 | cfg->defaultImage = DEFAULT_SAVED_GRUB2; | ||
1527 | if (cfg->cfi->getEnv) { | ||
1528 | char *defTitle = | ||
1529 | cfi->getEnv(cfg->cfi, "saved_entry"); | ||
1530 | if (defTitle) { | ||
1531 | int index = 0; | ||
1532 | if (isnumber(defTitle)) { | ||
1533 | index = atoi(defTitle); | ||
1534 | entry = | ||
1535 | findEntryByIndex(cfg, | ||
1536 | index); | ||
1537 | } else { | ||
1538 | entry = | ||
1539 | findEntryByTitle(cfg, | ||
1540 | defTitle, | ||
1541 | &index); | ||
1542 | } | ||
1543 | if (entry) | ||
1544 | cfg->defaultImage = index; | ||
1545 | } | ||
1546 | } | ||
1547 | } else if (cfi->defaultIsVariable) { | ||
1548 | char *value = defaultLine->elements[2].item; | ||
1549 | while (*value && (*value == '"' || *value == '\'' || | ||
1550 | *value == ' ' || *value == '\t')) | ||
1551 | value++; | ||
1552 | cfg->defaultImage = strtol(value, &end, 10); | ||
1553 | while (*end && (*end == '"' || *end == '\'' || | ||
1554 | *end == ' ' || *end == '\t')) | ||
1555 | end++; | ||
1556 | if (*end) | ||
1557 | cfg->defaultImage = -1; | ||
1558 | } else if (cfi->defaultSupportSaved && | ||
1559 | !strncmp(defaultLine->elements[1].item, "saved", | ||
1560 | 5)) { | ||
1561 | cfg->defaultImage = DEFAULT_SAVED; | ||
1562 | } else if (cfi->defaultIsIndex) { | ||
1563 | cfg->defaultImage = | ||
1564 | strtol(defaultLine->elements[1].item, &end, 10); | ||
1565 | if (*end) | ||
1566 | cfg->defaultImage = -1; | ||
1567 | } else if (defaultLine->numElements >= 2) { | ||
1568 | int i = 0; | ||
1569 | while ((entry = findEntryByIndex(cfg, i))) { | ||
1570 | for (line = entry->lines; line; | ||
1571 | line = line->next) | ||
1572 | if (line->type == LT_TITLE) | ||
1573 | break; | ||
1574 | niro | 532 | |
1575 | niro | 3002 | if (!cfi->titleBracketed) { |
1576 | if (line && (line->numElements >= 2) && | ||
1577 | !strcmp(defaultLine->elements[1]. | ||
1578 | item, | ||
1579 | line->elements[1].item)) | ||
1580 | break; | ||
1581 | } else if (line) { | ||
1582 | if (!strcmp | ||
1583 | (defaultLine->elements[1].item, | ||
1584 | extractTitle(cfg, line))) | ||
1585 | break; | ||
1586 | } | ||
1587 | i++; | ||
1588 | entry = NULL; | ||
1589 | } | ||
1590 | |||
1591 | if (entry) { | ||
1592 | cfg->defaultImage = i; | ||
1593 | } else { | ||
1594 | cfg->defaultImage = -1; | ||
1595 | } | ||
1596 | } | ||
1597 | } else if (cfg->cfi->defaultIsSaved && cfg->cfi->getEnv) { | ||
1598 | char *defTitle = cfi->getEnv(cfg->cfi, "saved_entry"); | ||
1599 | if (defTitle) { | ||
1600 | niro | 2252 | int index = 0; |
1601 | niro | 2258 | if (isnumber(defTitle)) { |
1602 | niro | 3002 | index = atoi(defTitle); |
1603 | entry = findEntryByIndex(cfg, index); | ||
1604 | niro | 2258 | } else { |
1605 | niro | 3002 | entry = findEntryByTitle(cfg, defTitle, &index); |
1606 | niro | 2258 | } |
1607 | niro | 2252 | if (entry) |
1608 | niro | 3002 | cfg->defaultImage = index; |
1609 | niro | 2252 | } |
1610 | niro | 3002 | } else { |
1611 | cfg->defaultImage = 0; | ||
1612 | niro | 532 | } |
1613 | |||
1614 | niro | 3002 | return cfg; |
1615 | niro | 532 | } |
1616 | |||
1617 | niro | 3002 | static void writeDefault(FILE * out, char *indent, |
1618 | char *separator, struct grubConfig *cfg) | ||
1619 | { | ||
1620 | struct singleEntry *entry; | ||
1621 | struct singleLine *line; | ||
1622 | int i; | ||
1623 | niro | 532 | |
1624 | niro | 3002 | if (!cfg->defaultImage && cfg->flags == GRUB_CONFIG_NO_DEFAULT) |
1625 | return; | ||
1626 | niro | 532 | |
1627 | niro | 3002 | if (cfg->defaultImage == DEFAULT_SAVED) |
1628 | fprintf(out, "%sdefault%ssaved\n", indent, separator); | ||
1629 | else if (cfg->cfi->defaultIsSaved) { | ||
1630 | fprintf(out, "%sset default=\"${saved_entry}\"\n", indent); | ||
1631 | if (cfg->defaultImage >= 0 && cfg->cfi->setEnv) { | ||
1632 | char *title; | ||
1633 | entry = findEntryByIndex(cfg, cfg->defaultImage); | ||
1634 | line = getLineByType(LT_MENUENTRY, entry->lines); | ||
1635 | if (!line) | ||
1636 | line = getLineByType(LT_TITLE, entry->lines); | ||
1637 | if (line) { | ||
1638 | title = extractTitle(cfg, line); | ||
1639 | if (title) | ||
1640 | cfg->cfi->setEnv(cfg->cfi, | ||
1641 | "saved_entry", title); | ||
1642 | } | ||
1643 | } | ||
1644 | } else if (cfg->defaultImage > -1) { | ||
1645 | if (cfg->cfi->defaultIsIndex) { | ||
1646 | if (cfg->cfi->defaultIsVariable) { | ||
1647 | fprintf(out, "%sset default=\"%d\"\n", indent, | ||
1648 | cfg->defaultImage); | ||
1649 | } else { | ||
1650 | fprintf(out, "%sdefault%s%d\n", indent, | ||
1651 | separator, cfg->defaultImage); | ||
1652 | } | ||
1653 | } else { | ||
1654 | int image = cfg->defaultImage; | ||
1655 | niro | 532 | |
1656 | niro | 3002 | entry = cfg->entries; |
1657 | while (entry && entry->skip) | ||
1658 | entry = entry->next; | ||
1659 | niro | 532 | |
1660 | niro | 3002 | i = 0; |
1661 | while (entry && i < image) { | ||
1662 | entry = entry->next; | ||
1663 | niro | 532 | |
1664 | niro | 3002 | while (entry && entry->skip) |
1665 | entry = entry->next; | ||
1666 | i++; | ||
1667 | } | ||
1668 | niro | 532 | |
1669 | niro | 3002 | if (!entry) |
1670 | return; | ||
1671 | niro | 532 | |
1672 | niro | 3002 | line = getLineByType(LT_TITLE, entry->lines); |
1673 | niro | 532 | |
1674 | niro | 3002 | if (line && line->numElements >= 2) |
1675 | fprintf(out, "%sdefault%s%s\n", indent, | ||
1676 | separator, line->elements[1].item); | ||
1677 | else if (line && (line->numElements == 1) | ||
1678 | && cfg->cfi->titleBracketed) { | ||
1679 | char *title = extractTitle(cfg, line); | ||
1680 | if (title) { | ||
1681 | fprintf(out, "%sdefault%s%s\n", indent, | ||
1682 | separator, title); | ||
1683 | free(title); | ||
1684 | } | ||
1685 | } | ||
1686 | niro | 2995 | } |
1687 | niro | 532 | } |
1688 | } | ||
1689 | |||
1690 | niro | 3002 | static int writeConfig(struct grubConfig *cfg, char *outName, |
1691 | const char *prefix) | ||
1692 | { | ||
1693 | FILE *out; | ||
1694 | struct singleLine *line; | ||
1695 | struct singleEntry *entry; | ||
1696 | char *tmpOutName; | ||
1697 | int needs = MAIN_DEFAULT; | ||
1698 | struct stat sb; | ||
1699 | int i; | ||
1700 | niro | 532 | |
1701 | niro | 3002 | if (!strcmp(outName, "-")) { |
1702 | out = stdout; | ||
1703 | tmpOutName = NULL; | ||
1704 | } else { | ||
1705 | if (!lstat(outName, &sb) && S_ISLNK(sb.st_mode)) { | ||
1706 | char *buf; | ||
1707 | int len = 256; | ||
1708 | int rc; | ||
1709 | niro | 532 | |
1710 | niro | 3002 | /* most likely the symlink is relative, so change our |
1711 | directory to the dir of the symlink */ | ||
1712 | char *dir = strdupa(outName); | ||
1713 | rc = chdir(dirname(dir)); | ||
1714 | do { | ||
1715 | buf = alloca(len + 1); | ||
1716 | rc = readlink(basename(outName), buf, len); | ||
1717 | if (rc == len) | ||
1718 | len += 256; | ||
1719 | } while (rc == len); | ||
1720 | niro | 532 | |
1721 | niro | 3002 | if (rc < 0) { |
1722 | fprintf(stderr, | ||
1723 | _ | ||
1724 | ("grubby: error readlink link %s: %s\n"), | ||
1725 | outName, strerror(errno)); | ||
1726 | return 1; | ||
1727 | } | ||
1728 | niro | 532 | |
1729 | niro | 3002 | outName = buf; |
1730 | outName[rc] = '\0'; | ||
1731 | } | ||
1732 | |||
1733 | tmpOutName = alloca(strlen(outName) + 2); | ||
1734 | sprintf(tmpOutName, "%s-", outName); | ||
1735 | out = fopen(tmpOutName, "w"); | ||
1736 | if (!out) { | ||
1737 | fprintf(stderr, _("grubby: error creating %s: %s\n"), | ||
1738 | tmpOutName, strerror(errno)); | ||
1739 | return 1; | ||
1740 | } | ||
1741 | |||
1742 | if (!stat(outName, &sb)) { | ||
1743 | if (chmod(tmpOutName, sb.st_mode & ~(S_IFMT))) { | ||
1744 | fprintf(stderr, | ||
1745 | _ | ||
1746 | ("grubby: error setting perms on %s: %s\n"), | ||
1747 | tmpOutName, strerror(errno)); | ||
1748 | fclose(out); | ||
1749 | unlink(tmpOutName); | ||
1750 | return 1; | ||
1751 | } | ||
1752 | } | ||
1753 | niro | 532 | } |
1754 | |||
1755 | niro | 3002 | line = cfg->theLines; |
1756 | struct keywordTypes *defaultKw = getKeywordByType(LT_DEFAULT, cfg->cfi); | ||
1757 | while (line) { | ||
1758 | if (line->type == LT_SET_VARIABLE && defaultKw && | ||
1759 | line->numElements == 3 && | ||
1760 | !strcmp(line->elements[1].item, defaultKw->key) && | ||
1761 | !is_special_grub2_variable(line->elements[2].item)) { | ||
1762 | writeDefault(out, line->indent, | ||
1763 | line->elements[0].indent, cfg); | ||
1764 | needs &= ~MAIN_DEFAULT; | ||
1765 | } else if (line->type == LT_DEFAULT) { | ||
1766 | writeDefault(out, line->indent, | ||
1767 | line->elements[0].indent, cfg); | ||
1768 | needs &= ~MAIN_DEFAULT; | ||
1769 | } else if (line->type == LT_FALLBACK) { | ||
1770 | if (cfg->fallbackImage > -1) | ||
1771 | fprintf(out, "%s%s%s%d\n", line->indent, | ||
1772 | line->elements[0].item, | ||
1773 | line->elements[0].indent, | ||
1774 | cfg->fallbackImage); | ||
1775 | } else { | ||
1776 | if (lineWrite(out, line, cfg->cfi) == -1) { | ||
1777 | fprintf(stderr, | ||
1778 | _("grubby: error writing %s: %s\n"), | ||
1779 | tmpOutName, strerror(errno)); | ||
1780 | fclose(out); | ||
1781 | unlink(tmpOutName); | ||
1782 | return 1; | ||
1783 | } | ||
1784 | } | ||
1785 | niro | 532 | |
1786 | niro | 3002 | line = line->next; |
1787 | niro | 532 | } |
1788 | |||
1789 | niro | 3002 | if (needs & MAIN_DEFAULT) { |
1790 | writeDefault(out, cfg->primaryIndent, "=", cfg); | ||
1791 | needs &= ~MAIN_DEFAULT; | ||
1792 | } | ||
1793 | niro | 532 | |
1794 | niro | 3002 | i = 0; |
1795 | while ((entry = findEntryByIndex(cfg, i++))) { | ||
1796 | if (entry->skip) | ||
1797 | continue; | ||
1798 | niro | 532 | |
1799 | niro | 3002 | line = entry->lines; |
1800 | while (line) { | ||
1801 | if (lineWrite(out, line, cfg->cfi) == -1) { | ||
1802 | fprintf(stderr, | ||
1803 | _("grubby: error writing %s: %s\n"), | ||
1804 | tmpOutName, strerror(errno)); | ||
1805 | fclose(out); | ||
1806 | unlink(tmpOutName); | ||
1807 | return 1; | ||
1808 | } | ||
1809 | line = line->next; | ||
1810 | } | ||
1811 | niro | 532 | } |
1812 | |||
1813 | niro | 3002 | if (tmpOutName) { |
1814 | if (rename(tmpOutName, outName)) { | ||
1815 | fprintf(stderr, | ||
1816 | _("grubby: error moving %s to %s: %s\n"), | ||
1817 | tmpOutName, outName, strerror(errno)); | ||
1818 | unlink(outName); | ||
1819 | return 1; | ||
1820 | } | ||
1821 | niro | 532 | } |
1822 | |||
1823 | niro | 3002 | return 0; |
1824 | niro | 532 | } |
1825 | |||
1826 | niro | 3002 | static int numEntries(struct grubConfig *cfg) |
1827 | { | ||
1828 | int i = 0; | ||
1829 | struct singleEntry *entry; | ||
1830 | niro | 532 | |
1831 | niro | 3002 | entry = cfg->entries; |
1832 | while (entry) { | ||
1833 | if (!entry->skip) | ||
1834 | i++; | ||
1835 | entry = entry->next; | ||
1836 | } | ||
1837 | return i; | ||
1838 | niro | 532 | } |
1839 | |||
1840 | niro | 1156 | static char *findDiskForRoot() |
1841 | { | ||
1842 | niro | 3002 | int fd; |
1843 | char buf[65536]; | ||
1844 | char *devname; | ||
1845 | char *chptr; | ||
1846 | int rc; | ||
1847 | niro | 1156 | |
1848 | niro | 3002 | if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) { |
1849 | fprintf(stderr, "grubby: failed to open %s: %s\n", | ||
1850 | _PATH_MOUNTED, strerror(errno)); | ||
1851 | return NULL; | ||
1852 | } | ||
1853 | niro | 1156 | |
1854 | niro | 3002 | rc = read(fd, buf, sizeof(buf) - 1); |
1855 | if (rc <= 0) { | ||
1856 | fprintf(stderr, "grubby: failed to read %s: %s\n", | ||
1857 | _PATH_MOUNTED, strerror(errno)); | ||
1858 | close(fd); | ||
1859 | return NULL; | ||
1860 | } | ||
1861 | close(fd); | ||
1862 | buf[rc] = '\0'; | ||
1863 | chptr = buf; | ||
1864 | niro | 1156 | |
1865 | niro | 3002 | char *foundanswer = NULL; |
1866 | niro | 1841 | |
1867 | niro | 3002 | while (chptr && chptr != buf + rc) { |
1868 | devname = chptr; | ||
1869 | niro | 1156 | |
1870 | niro | 3002 | /* |
1871 | * The first column of a mtab entry is the device, but if the | ||
1872 | * entry is a special device it won't start with /, so move | ||
1873 | * on to the next line. | ||
1874 | */ | ||
1875 | if (*devname != '/') { | ||
1876 | chptr = strchr(chptr, '\n'); | ||
1877 | if (chptr) | ||
1878 | chptr++; | ||
1879 | continue; | ||
1880 | } | ||
1881 | niro | 1156 | |
1882 | niro | 3002 | /* Seek to the next space */ |
1883 | chptr = strchr(chptr, ' '); | ||
1884 | if (!chptr) { | ||
1885 | fprintf(stderr, "grubby: error parsing %s: %s\n", | ||
1886 | _PATH_MOUNTED, strerror(errno)); | ||
1887 | return NULL; | ||
1888 | } | ||
1889 | niro | 1156 | |
1890 | niro | 3002 | /* |
1891 | * The second column of a mtab entry is the mount point, we | ||
1892 | * are looking for '/' obviously. | ||
1893 | */ | ||
1894 | if (*(++chptr) == '/' && *(++chptr) == ' ') { | ||
1895 | /* remember the last / entry in mtab */ | ||
1896 | foundanswer = devname; | ||
1897 | } | ||
1898 | niro | 1156 | |
1899 | niro | 3002 | /* Next line */ |
1900 | chptr = strchr(chptr, '\n'); | ||
1901 | if (chptr) | ||
1902 | chptr++; | ||
1903 | } | ||
1904 | niro | 1156 | |
1905 | niro | 3002 | /* Return the last / entry found */ |
1906 | if (foundanswer) { | ||
1907 | chptr = strchr(foundanswer, ' '); | ||
1908 | *chptr = '\0'; | ||
1909 | return strdup(foundanswer); | ||
1910 | } | ||
1911 | niro | 1841 | |
1912 | niro | 3002 | return NULL; |
1913 | niro | 1156 | } |
1914 | |||
1915 | niro | 3002 | void printEntry(struct singleEntry *entry, FILE * f) |
1916 | { | ||
1917 | int i; | ||
1918 | struct singleLine *line; | ||
1919 | niro | 1736 | |
1920 | niro | 3002 | for (line = entry->lines; line; line = line->next) { |
1921 | log_message(f, "DBG: %s", line->indent); | ||
1922 | for (i = 0; i < line->numElements; i++) { | ||
1923 | /* Need to handle this, because we strip the quotes from | ||
1924 | * menuentry when read it. */ | ||
1925 | if (line->type == LT_MENUENTRY && i == 1) { | ||
1926 | if (!isquote(*line->elements[i].item)) | ||
1927 | log_message(f, "\'%s\'", | ||
1928 | line->elements[i].item); | ||
1929 | else | ||
1930 | log_message(f, "%s", | ||
1931 | line->elements[i].item); | ||
1932 | log_message(f, "%s", line->elements[i].indent); | ||
1933 | |||
1934 | continue; | ||
1935 | } | ||
1936 | |||
1937 | log_message(f, "%s%s", | ||
1938 | line->elements[i].item, | ||
1939 | line->elements[i].indent); | ||
1940 | } | ||
1941 | log_message(f, "\n"); | ||
1942 | niro | 1736 | } |
1943 | } | ||
1944 | |||
1945 | niro | 3002 | void notSuitablePrintf(struct singleEntry *entry, int okay, const char *fmt, |
1946 | ...) | ||
1947 | niro | 1736 | { |
1948 | niro | 3002 | static int once; |
1949 | va_list argp, argq; | ||
1950 | niro | 1736 | |
1951 | niro | 3002 | va_start(argp, fmt); |
1952 | niro | 2236 | |
1953 | niro | 3002 | va_copy(argq, argp); |
1954 | if (!once) { | ||
1955 | log_time(NULL); | ||
1956 | log_message(NULL, "command line: %s\n", saved_command_line); | ||
1957 | } | ||
1958 | log_message(NULL, "DBG: Image entry %s: ", | ||
1959 | okay ? "succeeded" : "failed"); | ||
1960 | log_vmessage(NULL, fmt, argq); | ||
1961 | niro | 2236 | |
1962 | niro | 3002 | printEntry(entry, NULL); |
1963 | va_end(argq); | ||
1964 | |||
1965 | if (!debug) { | ||
1966 | once = 1; | ||
1967 | va_end(argp); | ||
1968 | return; | ||
1969 | } | ||
1970 | |||
1971 | if (okay) { | ||
1972 | va_end(argp); | ||
1973 | return; | ||
1974 | } | ||
1975 | |||
1976 | if (!once) | ||
1977 | log_message(stderr, "DBG: command line: %s\n", | ||
1978 | saved_command_line); | ||
1979 | niro | 2236 | once = 1; |
1980 | niro | 3002 | fprintf(stderr, "DBG: Image entry failed: "); |
1981 | vfprintf(stderr, fmt, argp); | ||
1982 | printEntry(entry, stderr); | ||
1983 | niro | 2236 | va_end(argp); |
1984 | niro | 1736 | } |
1985 | |||
1986 | niro | 1745 | #define beginswith(s, c) ((s) && (s)[0] == (c)) |
1987 | |||
1988 | static int endswith(const char *s, char c) | ||
1989 | { | ||
1990 | int slen; | ||
1991 | |||
1992 | niro | 1750 | if (!s || !s[0]) |
1993 | niro | 1745 | return 0; |
1994 | slen = strlen(s) - 1; | ||
1995 | |||
1996 | return s[slen] == c; | ||
1997 | } | ||
1998 | |||
1999 | niro | 3002 | int suitableImage(struct singleEntry *entry, const char *bootPrefix, |
2000 | int skipRemoved, int flags) | ||
2001 | { | ||
2002 | struct singleLine *line; | ||
2003 | char *fullName; | ||
2004 | int i; | ||
2005 | char *dev; | ||
2006 | char *rootspec; | ||
2007 | char *rootdev; | ||
2008 | niro | 532 | |
2009 | niro | 3002 | if (skipRemoved && entry->skip) { |
2010 | notSuitablePrintf(entry, 0, "marked to skip\n"); | ||
2011 | return 0; | ||
2012 | } | ||
2013 | niro | 532 | |
2014 | niro | 3002 | line = |
2015 | getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI | LT_KERNEL_16, | ||
2016 | entry->lines); | ||
2017 | if (!line) { | ||
2018 | notSuitablePrintf(entry, 0, "no line found\n"); | ||
2019 | return 0; | ||
2020 | } | ||
2021 | if (line->numElements < 2) { | ||
2022 | notSuitablePrintf(entry, 0, "line has only %d elements\n", | ||
2023 | line->numElements); | ||
2024 | return 0; | ||
2025 | } | ||
2026 | niro | 914 | |
2027 | niro | 3002 | if (flags & GRUBBY_BADIMAGE_OKAY) { |
2028 | notSuitablePrintf(entry, 1, "\n"); | ||
2029 | return 1; | ||
2030 | } | ||
2031 | niro | 532 | |
2032 | niro | 3002 | fullName = alloca(strlen(bootPrefix) + |
2033 | strlen(line->elements[1].item) + 1); | ||
2034 | rootspec = getRootSpecifier(line->elements[1].item); | ||
2035 | int rootspec_offset = rootspec ? strlen(rootspec) : 0; | ||
2036 | int hasslash = endswith(bootPrefix, '/') || | ||
2037 | beginswith(line->elements[1].item + rootspec_offset, '/'); | ||
2038 | sprintf(fullName, "%s%s%s", bootPrefix, hasslash ? "" : "/", | ||
2039 | line->elements[1].item + rootspec_offset); | ||
2040 | if (access(fullName, R_OK)) { | ||
2041 | notSuitablePrintf(entry, 0, "access to %s failed\n", fullName); | ||
2042 | return 0; | ||
2043 | } | ||
2044 | for (i = 2; i < line->numElements; i++) | ||
2045 | if (!strncasecmp(line->elements[i].item, "root=", 5)) | ||
2046 | break; | ||
2047 | if (i < line->numElements) { | ||
2048 | dev = line->elements[i].item + 5; | ||
2049 | niro | 532 | } else { |
2050 | niro | 3002 | /* look for a lilo style LT_ROOT line */ |
2051 | line = getLineByType(LT_ROOT, entry->lines); | ||
2052 | niro | 532 | |
2053 | niro | 3002 | if (line && line->numElements >= 2) { |
2054 | dev = line->elements[1].item; | ||
2055 | } else { | ||
2056 | /* didn't succeed in finding a LT_ROOT, let's try | ||
2057 | * LT_KERNELARGS. grub+multiboot uses LT_MBMODULE | ||
2058 | * for the args, so check that too. | ||
2059 | */ | ||
2060 | line = | ||
2061 | getLineByType(LT_KERNELARGS | LT_MBMODULE, | ||
2062 | entry->lines); | ||
2063 | niro | 532 | |
2064 | niro | 3002 | /* failed to find one */ |
2065 | if (!line) { | ||
2066 | notSuitablePrintf(entry, 0, "no line found\n"); | ||
2067 | return 0; | ||
2068 | } | ||
2069 | |||
2070 | for (i = 1; i < line->numElements; i++) | ||
2071 | if (!strncasecmp | ||
2072 | (line->elements[i].item, "root=", 5)) | ||
2073 | break; | ||
2074 | if (i < line->numElements) | ||
2075 | dev = line->elements[i].item + 5; | ||
2076 | else { | ||
2077 | notSuitablePrintf(entry, 0, | ||
2078 | "no root= entry found\n"); | ||
2079 | /* it failed too... can't find root= */ | ||
2080 | return 0; | ||
2081 | } | ||
2082 | } | ||
2083 | niro | 532 | } |
2084 | |||
2085 | niro | 1736 | dev = getpathbyspec(dev); |
2086 | niro | 3002 | if (!getpathbyspec(dev)) { |
2087 | notSuitablePrintf(entry, 0, "can't find blkid entry for %s\n", | ||
2088 | dev); | ||
2089 | return 0; | ||
2090 | } else | ||
2091 | dev = getpathbyspec(dev); | ||
2092 | niro | 532 | |
2093 | niro | 3002 | rootdev = findDiskForRoot(); |
2094 | if (!rootdev) { | ||
2095 | notSuitablePrintf(entry, 0, "can't find root device\n"); | ||
2096 | return 0; | ||
2097 | } | ||
2098 | niro | 914 | |
2099 | niro | 3002 | if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) { |
2100 | notSuitablePrintf(entry, 0, | ||
2101 | "uuid missing: rootdev %s, dev %s\n", | ||
2102 | getuuidbydev(rootdev), getuuidbydev(dev)); | ||
2103 | free(rootdev); | ||
2104 | return 0; | ||
2105 | } | ||
2106 | niro | 532 | |
2107 | niro | 3002 | if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) { |
2108 | notSuitablePrintf(entry, 0, | ||
2109 | "uuid mismatch: rootdev %s, dev %s\n", | ||
2110 | getuuidbydev(rootdev), getuuidbydev(dev)); | ||
2111 | free(rootdev); | ||
2112 | return 0; | ||
2113 | } | ||
2114 | |||
2115 | niro | 1156 | free(rootdev); |
2116 | niro | 3002 | notSuitablePrintf(entry, 1, "\n"); |
2117 | niro | 532 | |
2118 | niro | 3002 | return 1; |
2119 | niro | 532 | } |
2120 | |||
2121 | /* returns the first match on or after the one pointed to by index (if index | ||
2122 | is not NULL) which is not marked as skip */ | ||
2123 | niro | 3002 | struct singleEntry *findEntryByPath(struct grubConfig *config, |
2124 | const char *kernel, const char *prefix, | ||
2125 | int *index) | ||
2126 | { | ||
2127 | struct singleEntry *entry = NULL; | ||
2128 | struct singleLine *line; | ||
2129 | int i; | ||
2130 | char *chptr; | ||
2131 | char *rootspec = NULL; | ||
2132 | enum lineType_e checkType = LT_KERNEL; | ||
2133 | niro | 532 | |
2134 | niro | 3002 | if (isdigit(*kernel)) { |
2135 | int *indexVars = alloca(sizeof(*indexVars) * strlen(kernel)); | ||
2136 | niro | 532 | |
2137 | niro | 3002 | i = 0; |
2138 | indexVars[i] = strtol(kernel, &chptr, 10); | ||
2139 | while (*chptr == ',') { | ||
2140 | i++; | ||
2141 | kernel = chptr + 1; | ||
2142 | indexVars[i] = strtol(kernel, &chptr, 10); | ||
2143 | } | ||
2144 | niro | 532 | |
2145 | niro | 3002 | if (*chptr) { |
2146 | /* can't parse it, bail */ | ||
2147 | return NULL; | ||
2148 | } | ||
2149 | niro | 532 | |
2150 | niro | 3002 | indexVars[i + 1] = -1; |
2151 | niro | 2718 | |
2152 | niro | 3002 | i = 0; |
2153 | if (index) { | ||
2154 | while (i < *index) { | ||
2155 | i++; | ||
2156 | if (indexVars[i] == -1) | ||
2157 | return NULL; | ||
2158 | } | ||
2159 | } | ||
2160 | |||
2161 | entry = findEntryByIndex(config, indexVars[i]); | ||
2162 | if (!entry) | ||
2163 | return NULL; | ||
2164 | |||
2165 | line = | ||
2166 | getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI | | ||
2167 | LT_KERNEL_16, entry->lines); | ||
2168 | if (!line) | ||
2169 | return NULL; | ||
2170 | |||
2171 | if (index) | ||
2172 | *index = indexVars[i]; | ||
2173 | return entry; | ||
2174 | niro | 532 | } |
2175 | |||
2176 | niro | 3002 | if (!strcmp(kernel, "DEFAULT")) { |
2177 | if (index && *index > config->defaultImage) { | ||
2178 | entry = NULL; | ||
2179 | } else { | ||
2180 | entry = findEntryByIndex(config, config->defaultImage); | ||
2181 | if (entry && entry->skip) | ||
2182 | entry = NULL; | ||
2183 | else if (index) | ||
2184 | *index = config->defaultImage; | ||
2185 | } | ||
2186 | } else if (!strcmp(kernel, "ALL")) { | ||
2187 | if (index) | ||
2188 | i = *index; | ||
2189 | else | ||
2190 | i = 0; | ||
2191 | niro | 532 | |
2192 | niro | 3002 | while ((entry = findEntryByIndex(config, i))) { |
2193 | if (!entry->skip) | ||
2194 | break; | ||
2195 | i++; | ||
2196 | } | ||
2197 | niro | 532 | |
2198 | niro | 3002 | if (entry && index) |
2199 | *index = i; | ||
2200 | niro | 532 | } else { |
2201 | niro | 3002 | if (index) |
2202 | i = *index; | ||
2203 | else | ||
2204 | i = 0; | ||
2205 | niro | 532 | |
2206 | niro | 3002 | if (!strncmp(kernel, "TITLE=", 6)) { |
2207 | prefix = ""; | ||
2208 | checkType = LT_TITLE | LT_MENUENTRY; | ||
2209 | kernel += 6; | ||
2210 | } | ||
2211 | niro | 532 | |
2212 | niro | 3002 | for (entry = findEntryByIndex(config, i); entry; |
2213 | entry = entry->next, i++) { | ||
2214 | if (entry->skip) | ||
2215 | continue; | ||
2216 | niro | 532 | |
2217 | niro | 3002 | dbgPrintf("findEntryByPath looking for %d %s in %p\n", |
2218 | checkType, kernel, entry); | ||
2219 | niro | 532 | |
2220 | niro | 3002 | /* check all the lines matching checkType */ |
2221 | for (line = entry->lines; line; line = line->next) { | ||
2222 | enum lineType_e ct = checkType; | ||
2223 | if (entry->multiboot && checkType == LT_KERNEL) | ||
2224 | ct = LT_KERNEL | LT_KERNEL_EFI | | ||
2225 | LT_MBMODULE | LT_HYPER | | ||
2226 | LT_KERNEL_16; | ||
2227 | else if (checkType & LT_KERNEL) | ||
2228 | ct = checkType | LT_KERNEL_EFI | | ||
2229 | LT_KERNEL_16; | ||
2230 | line = getLineByType(ct, line); | ||
2231 | if (!line) | ||
2232 | break; /* not found in this entry */ | ||
2233 | niro | 532 | |
2234 | niro | 3002 | if (line && line->type != LT_MENUENTRY && |
2235 | line->numElements >= 2) { | ||
2236 | rootspec = | ||
2237 | getRootSpecifier(line->elements[1]. | ||
2238 | item); | ||
2239 | if (!strcmp | ||
2240 | (line->elements[1].item + | ||
2241 | ((rootspec != | ||
2242 | NULL) ? strlen(rootspec) : 0), | ||
2243 | kernel + strlen(prefix))) | ||
2244 | break; | ||
2245 | } | ||
2246 | if (line->type == LT_MENUENTRY && | ||
2247 | !strcmp(line->elements[1].item, kernel)) | ||
2248 | break; | ||
2249 | } | ||
2250 | niro | 532 | |
2251 | niro | 3002 | /* make sure this entry has a kernel identifier; this skips |
2252 | * non-Linux boot entries (could find netbsd etc, though, which is | ||
2253 | * unfortunate) | ||
2254 | */ | ||
2255 | if (line | ||
2256 | && getLineByType(LT_KERNEL | LT_HYPER | | ||
2257 | LT_KERNEL_EFI | LT_KERNEL_16, | ||
2258 | entry->lines)) | ||
2259 | break; /* found 'im! */ | ||
2260 | niro | 914 | } |
2261 | |||
2262 | niro | 3002 | if (index) |
2263 | *index = i; | ||
2264 | niro | 532 | } |
2265 | |||
2266 | niro | 3002 | return entry; |
2267 | niro | 532 | } |
2268 | |||
2269 | niro | 3002 | struct singleEntry *findEntryByTitle(struct grubConfig *cfg, char *title, |
2270 | int *index) | ||
2271 | { | ||
2272 | struct singleEntry *entry; | ||
2273 | struct singleLine *line; | ||
2274 | int i; | ||
2275 | char *newtitle; | ||
2276 | niro | 2252 | |
2277 | niro | 3002 | for (i = 0, entry = cfg->entries; entry; entry = entry->next, i++) { |
2278 | if (index && i < *index) | ||
2279 | continue; | ||
2280 | line = getLineByType(LT_TITLE, entry->lines); | ||
2281 | if (!line) | ||
2282 | line = getLineByType(LT_MENUENTRY, entry->lines); | ||
2283 | if (!line) | ||
2284 | continue; | ||
2285 | newtitle = grub2ExtractTitle(line); | ||
2286 | if (!newtitle) | ||
2287 | continue; | ||
2288 | if (!strcmp(title, newtitle)) | ||
2289 | break; | ||
2290 | } | ||
2291 | niro | 2252 | |
2292 | niro | 3002 | if (!entry) |
2293 | return NULL; | ||
2294 | niro | 2252 | |
2295 | niro | 3002 | if (index) |
2296 | *index = i; | ||
2297 | return entry; | ||
2298 | niro | 2252 | } |
2299 | |||
2300 | niro | 3002 | struct singleEntry *findEntryByIndex(struct grubConfig *cfg, int index) |
2301 | { | ||
2302 | struct singleEntry *entry; | ||
2303 | niro | 532 | |
2304 | niro | 3002 | entry = cfg->entries; |
2305 | while (index && entry) { | ||
2306 | entry = entry->next; | ||
2307 | index--; | ||
2308 | } | ||
2309 | niro | 532 | |
2310 | niro | 3002 | return entry; |
2311 | niro | 532 | } |
2312 | |||
2313 | /* Find a good template to use for the new kernel. An entry is | ||
2314 | * good if the kernel and mkinitrd exist (even if the entry | ||
2315 | * is going to be removed). Try and use the default entry, but | ||
2316 | * if that doesn't work just take the first. If we can't find one, | ||
2317 | * bail. */ | ||
2318 | niro | 3002 | struct singleEntry *findTemplate(struct grubConfig *cfg, const char *prefix, |
2319 | int *indexPtr, int skipRemoved, int flags) | ||
2320 | { | ||
2321 | struct singleEntry *entry, *entry2; | ||
2322 | int index; | ||
2323 | niro | 532 | |
2324 | niro | 3002 | if (cfg->cfi->defaultIsSaved) { |
2325 | if (cfg->cfi->getEnv) { | ||
2326 | char *defTitle = | ||
2327 | cfg->cfi->getEnv(cfg->cfi, "saved_entry"); | ||
2328 | if (defTitle) { | ||
2329 | int index = 0; | ||
2330 | if (isnumber(defTitle)) { | ||
2331 | index = atoi(defTitle); | ||
2332 | entry = findEntryByIndex(cfg, index); | ||
2333 | } else { | ||
2334 | entry = | ||
2335 | findEntryByTitle(cfg, defTitle, | ||
2336 | &index); | ||
2337 | } | ||
2338 | if (entry | ||
2339 | && suitableImage(entry, prefix, skipRemoved, | ||
2340 | flags)) { | ||
2341 | cfg->defaultImage = index; | ||
2342 | if (indexPtr) | ||
2343 | *indexPtr = index; | ||
2344 | return entry; | ||
2345 | } | ||
2346 | } | ||
2347 | niro | 2258 | } |
2348 | niro | 3002 | } else if (cfg->defaultImage > -1) { |
2349 | entry = findEntryByIndex(cfg, cfg->defaultImage); | ||
2350 | niro | 2959 | if (entry && suitableImage(entry, prefix, skipRemoved, flags)) { |
2351 | niro | 3002 | if (indexPtr) |
2352 | *indexPtr = cfg->defaultImage; | ||
2353 | return entry; | ||
2354 | niro | 2959 | } |
2355 | niro | 2252 | } |
2356 | niro | 532 | |
2357 | niro | 3002 | index = 0; |
2358 | while ((entry = findEntryByIndex(cfg, index))) { | ||
2359 | if (suitableImage(entry, prefix, skipRemoved, flags)) { | ||
2360 | int j; | ||
2361 | for (j = 0; j < index; j++) { | ||
2362 | entry2 = findEntryByIndex(cfg, j); | ||
2363 | if (entry2->skip) | ||
2364 | index--; | ||
2365 | } | ||
2366 | if (indexPtr) | ||
2367 | *indexPtr = index; | ||
2368 | niro | 532 | |
2369 | niro | 3002 | return entry; |
2370 | } | ||
2371 | |||
2372 | index++; | ||
2373 | niro | 532 | } |
2374 | |||
2375 | niro | 3002 | fprintf(stderr, |
2376 | _("grubby fatal error: unable to find a suitable template\n")); | ||
2377 | niro | 532 | |
2378 | niro | 3002 | return NULL; |
2379 | niro | 532 | } |
2380 | |||
2381 | niro | 3002 | char *findBootPrefix(void) |
2382 | { | ||
2383 | struct stat sb, sb2; | ||
2384 | niro | 532 | |
2385 | niro | 3002 | stat("/", &sb); |
2386 | niro | 532 | #ifdef __ia64__ |
2387 | niro | 3002 | stat("/boot/efi/EFI/redhat/", &sb2); |
2388 | niro | 532 | #else |
2389 | niro | 3002 | stat("/boot", &sb2); |
2390 | niro | 532 | #endif |
2391 | |||
2392 | niro | 3002 | if (sb.st_dev == sb2.st_dev) |
2393 | return strdup(""); | ||
2394 | niro | 532 | |
2395 | #ifdef __ia64__ | ||
2396 | niro | 3002 | return strdup("/boot/efi/EFI/redhat/"); |
2397 | niro | 532 | #else |
2398 | niro | 3002 | return strdup("/boot"); |
2399 | niro | 532 | #endif |
2400 | } | ||
2401 | |||
2402 | niro | 3002 | void markRemovedImage(struct grubConfig *cfg, const char *image, |
2403 | const char *prefix) | ||
2404 | { | ||
2405 | struct singleEntry *entry; | ||
2406 | niro | 532 | |
2407 | niro | 3002 | if (!image) |
2408 | return; | ||
2409 | niro | 532 | |
2410 | niro | 3002 | /* check and see if we're removing the default image */ |
2411 | if (isdigit(*image)) { | ||
2412 | entry = findEntryByPath(cfg, image, prefix, NULL); | ||
2413 | if (entry) | ||
2414 | entry->skip = 1; | ||
2415 | return; | ||
2416 | } | ||
2417 | niro | 1801 | |
2418 | niro | 3002 | while ((entry = findEntryByPath(cfg, image, prefix, NULL))) |
2419 | entry->skip = 1; | ||
2420 | niro | 532 | } |
2421 | |||
2422 | niro | 3002 | void setDefaultImage(struct grubConfig *config, int hasNew, |
2423 | const char *defaultKernelPath, int newIsDefault, | ||
2424 | const char *prefix, int flags, int index) | ||
2425 | { | ||
2426 | struct singleEntry *entry, *entry2, *newDefault; | ||
2427 | int i, j; | ||
2428 | niro | 532 | |
2429 | niro | 3002 | if (newIsDefault) { |
2430 | config->defaultImage = 0; | ||
2431 | return; | ||
2432 | } else if ((index >= 0) && config->cfi->defaultIsIndex) { | ||
2433 | if (findEntryByIndex(config, index)) | ||
2434 | config->defaultImage = index; | ||
2435 | else | ||
2436 | config->defaultImage = -1; | ||
2437 | return; | ||
2438 | } else if (defaultKernelPath) { | ||
2439 | i = 0; | ||
2440 | if (findEntryByPath(config, defaultKernelPath, prefix, &i)) { | ||
2441 | config->defaultImage = i; | ||
2442 | } else { | ||
2443 | config->defaultImage = -1; | ||
2444 | return; | ||
2445 | } | ||
2446 | } | ||
2447 | |||
2448 | /* defaultImage now points to what we'd like to use, but before any | ||
2449 | * order changes */ | ||
2450 | if ((config->defaultImage == DEFAULT_SAVED) || | ||
2451 | (config->defaultImage == DEFAULT_SAVED_GRUB2)) | ||
2452 | /* default is set to saved, we don't want to change it */ | ||
2453 | return; | ||
2454 | |||
2455 | if (config->defaultImage > -1) | ||
2456 | entry = findEntryByIndex(config, config->defaultImage); | ||
2457 | niro | 1859 | else |
2458 | niro | 3002 | entry = NULL; |
2459 | |||
2460 | if (entry && !entry->skip) { | ||
2461 | /* we can preserve the default */ | ||
2462 | if (hasNew) | ||
2463 | config->defaultImage++; | ||
2464 | |||
2465 | /* count the number of entries erased before this one */ | ||
2466 | for (j = 0; j < config->defaultImage; j++) { | ||
2467 | entry2 = findEntryByIndex(config, j); | ||
2468 | if (entry2->skip) | ||
2469 | config->defaultImage--; | ||
2470 | } | ||
2471 | } else if (hasNew) { | ||
2472 | config->defaultImage = 0; | ||
2473 | niro | 532 | } else { |
2474 | niro | 3002 | /* Either we just erased the default (or the default line was |
2475 | * bad to begin with) and didn't put a new one in. We'll use | ||
2476 | * the first valid image. */ | ||
2477 | newDefault = | ||
2478 | findTemplate(config, prefix, &config->defaultImage, 1, | ||
2479 | flags); | ||
2480 | if (!newDefault) | ||
2481 | config->defaultImage = -1; | ||
2482 | niro | 532 | } |
2483 | niro | 3002 | } |
2484 | niro | 532 | |
2485 | niro | 3002 | void setFallbackImage(struct grubConfig *config, int hasNew) |
2486 | { | ||
2487 | struct singleEntry *entry, *entry2; | ||
2488 | int j; | ||
2489 | niro | 532 | |
2490 | niro | 3002 | if (config->fallbackImage == -1) |
2491 | return; | ||
2492 | niro | 532 | |
2493 | niro | 3002 | entry = findEntryByIndex(config, config->fallbackImage); |
2494 | if (!entry || entry->skip) { | ||
2495 | config->fallbackImage = -1; | ||
2496 | return; | ||
2497 | } | ||
2498 | |||
2499 | niro | 532 | if (hasNew) |
2500 | niro | 3002 | config->fallbackImage++; |
2501 | |||
2502 | niro | 532 | /* count the number of entries erased before this one */ |
2503 | niro | 3002 | for (j = 0; j < config->fallbackImage; j++) { |
2504 | entry2 = findEntryByIndex(config, j); | ||
2505 | if (entry2->skip) | ||
2506 | config->fallbackImage--; | ||
2507 | niro | 532 | } |
2508 | } | ||
2509 | |||
2510 | niro | 3002 | void displayEntry(struct singleEntry *entry, const char *prefix, int index) |
2511 | { | ||
2512 | struct singleLine *line; | ||
2513 | char *root = NULL; | ||
2514 | int i; | ||
2515 | int j; | ||
2516 | niro | 532 | |
2517 | niro | 3002 | printf("index=%d\n", index); |
2518 | niro | 532 | |
2519 | niro | 3002 | line = |
2520 | getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI | LT_KERNEL_16, | ||
2521 | entry->lines); | ||
2522 | if (!line) { | ||
2523 | printf("non linux entry\n"); | ||
2524 | return; | ||
2525 | } | ||
2526 | niro | 532 | |
2527 | niro | 3002 | if (!strncmp(prefix, line->elements[1].item, strlen(prefix))) |
2528 | printf("kernel=%s\n", line->elements[1].item); | ||
2529 | else | ||
2530 | printf("kernel=%s%s\n", prefix, line->elements[1].item); | ||
2531 | niro | 532 | |
2532 | niro | 3002 | if (line->numElements >= 3) { |
2533 | printf("args=\""); | ||
2534 | i = 2; | ||
2535 | while (i < line->numElements) { | ||
2536 | if (!strncmp(line->elements[i].item, "root=", 5)) { | ||
2537 | root = line->elements[i].item + 5; | ||
2538 | } else { | ||
2539 | printf("%s%s", line->elements[i].item, | ||
2540 | line->elements[i].indent); | ||
2541 | } | ||
2542 | niro | 532 | |
2543 | niro | 3002 | i++; |
2544 | } | ||
2545 | printf("\"\n"); | ||
2546 | } else { | ||
2547 | line = getLineByType(LT_KERNELARGS, entry->lines); | ||
2548 | if (line) { | ||
2549 | char *s; | ||
2550 | niro | 532 | |
2551 | niro | 3002 | printf("args=\""); |
2552 | i = 1; | ||
2553 | while (i < line->numElements) { | ||
2554 | if (!strncmp | ||
2555 | (line->elements[i].item, "root=", 5)) { | ||
2556 | root = line->elements[i].item + 5; | ||
2557 | } else { | ||
2558 | s = line->elements[i].item; | ||
2559 | niro | 914 | |
2560 | niro | 3002 | printf("%s%s", s, |
2561 | line->elements[i].indent); | ||
2562 | } | ||
2563 | niro | 532 | |
2564 | niro | 3002 | i++; |
2565 | } | ||
2566 | niro | 532 | |
2567 | niro | 3002 | s = line->elements[i - 1].indent; |
2568 | printf("\"\n"); | ||
2569 | } | ||
2570 | niro | 532 | } |
2571 | |||
2572 | niro | 3002 | if (!root) { |
2573 | line = getLineByType(LT_ROOT, entry->lines); | ||
2574 | if (line && line->numElements >= 2) | ||
2575 | root = line->elements[1].item; | ||
2576 | } | ||
2577 | niro | 532 | |
2578 | niro | 3002 | if (root) { |
2579 | char *s = alloca(strlen(root) + 1); | ||
2580 | niro | 532 | |
2581 | niro | 3002 | strcpy(s, root); |
2582 | if (s[strlen(s) - 1] == '"') | ||
2583 | s[strlen(s) - 1] = '\0'; | ||
2584 | /* make sure the root doesn't have a trailing " */ | ||
2585 | printf("root=%s\n", s); | ||
2586 | niro | 532 | } |
2587 | |||
2588 | niro | 3002 | line = |
2589 | getLineByType(LT_INITRD | LT_INITRD_EFI | LT_INITRD_16, | ||
2590 | entry->lines); | ||
2591 | niro | 532 | |
2592 | niro | 3002 | if (line && line->numElements >= 2) { |
2593 | if (!strncmp(prefix, line->elements[1].item, strlen(prefix))) | ||
2594 | printf("initrd="); | ||
2595 | else | ||
2596 | printf("initrd=%s", prefix); | ||
2597 | niro | 532 | |
2598 | niro | 3002 | for (i = 1; i < line->numElements; i++) |
2599 | printf("%s%s", line->elements[i].item, | ||
2600 | line->elements[i].indent); | ||
2601 | printf("\n"); | ||
2602 | } | ||
2603 | niro | 532 | |
2604 | niro | 3002 | line = getLineByType(LT_TITLE, entry->lines); |
2605 | niro | 2963 | if (line) { |
2606 | niro | 3002 | printf("title=%s\n", line->elements[1].item); |
2607 | } else { | ||
2608 | char *title; | ||
2609 | line = getLineByType(LT_MENUENTRY, entry->lines); | ||
2610 | if (line) { | ||
2611 | title = grub2ExtractTitle(line); | ||
2612 | if (title) | ||
2613 | printf("title=%s\n", title); | ||
2614 | } | ||
2615 | niro | 2962 | } |
2616 | niro | 2708 | |
2617 | niro | 3002 | for (j = 0, line = entry->lines; line; line = line->next) { |
2618 | if ((line->type & LT_MBMODULE) && line->numElements >= 2) { | ||
2619 | if (!strncmp | ||
2620 | (prefix, line->elements[1].item, strlen(prefix))) | ||
2621 | printf("mbmodule%d=", j); | ||
2622 | else | ||
2623 | printf("mbmodule%d=%s", j, prefix); | ||
2624 | niro | 2708 | |
2625 | niro | 3002 | for (i = 1; i < line->numElements; i++) |
2626 | printf("%s%s", line->elements[i].item, | ||
2627 | line->elements[i].indent); | ||
2628 | printf("\n"); | ||
2629 | j++; | ||
2630 | } | ||
2631 | niro | 2708 | } |
2632 | niro | 532 | } |
2633 | |||
2634 | niro | 3002 | int isSuseSystem(void) |
2635 | { | ||
2636 | const char *path; | ||
2637 | const static char default_path[] = "/etc/SuSE-release"; | ||
2638 | niro | 1850 | |
2639 | niro | 3002 | if ((path = getenv("GRUBBY_SUSE_RELEASE")) == NULL) |
2640 | path = default_path; | ||
2641 | niro | 1850 | |
2642 | niro | 3002 | if (!access(path, R_OK)) |
2643 | return 1; | ||
2644 | return 0; | ||
2645 | niro | 1850 | } |
2646 | |||
2647 | niro | 3002 | int isSuseGrubConf(const char *path) |
2648 | { | ||
2649 | FILE *grubConf; | ||
2650 | char *line = NULL; | ||
2651 | size_t len = 0, res = 0; | ||
2652 | niro | 1850 | |
2653 | niro | 3002 | grubConf = fopen(path, "r"); |
2654 | if (!grubConf) { | ||
2655 | dbgPrintf("Could not open SuSE configuration file '%s'\n", | ||
2656 | path); | ||
2657 | return 0; | ||
2658 | } | ||
2659 | niro | 1850 | |
2660 | niro | 3002 | while ((res = getline(&line, &len, grubConf)) != -1) { |
2661 | if (!strncmp(line, "setup", 5)) { | ||
2662 | fclose(grubConf); | ||
2663 | free(line); | ||
2664 | return 1; | ||
2665 | } | ||
2666 | niro | 1850 | } |
2667 | |||
2668 | niro | 3002 | dbgPrintf("SuSE configuration file '%s' does not appear to be valid\n", |
2669 | path); | ||
2670 | niro | 1850 | |
2671 | niro | 3002 | fclose(grubConf); |
2672 | free(line); | ||
2673 | return 0; | ||
2674 | niro | 1850 | } |
2675 | |||
2676 | niro | 3002 | int suseGrubConfGetLba(const char *path, int *lbaPtr) |
2677 | { | ||
2678 | FILE *grubConf; | ||
2679 | char *line = NULL; | ||
2680 | size_t res = 0, len = 0; | ||
2681 | niro | 1850 | |
2682 | niro | 3002 | if (!path) |
2683 | return 1; | ||
2684 | if (!lbaPtr) | ||
2685 | return 1; | ||
2686 | niro | 1850 | |
2687 | niro | 3002 | grubConf = fopen(path, "r"); |
2688 | if (!grubConf) | ||
2689 | return 1; | ||
2690 | niro | 1850 | |
2691 | niro | 3002 | while ((res = getline(&line, &len, grubConf)) != -1) { |
2692 | if (line[res - 1] == '\n') | ||
2693 | line[res - 1] = '\0'; | ||
2694 | else if (len > res) | ||
2695 | line[res] = '\0'; | ||
2696 | else { | ||
2697 | line = realloc(line, res + 1); | ||
2698 | line[res] = '\0'; | ||
2699 | } | ||
2700 | niro | 1850 | |
2701 | niro | 3002 | if (!strncmp(line, "setup", 5)) { |
2702 | if (strstr(line, "--force-lba")) { | ||
2703 | *lbaPtr = 1; | ||
2704 | } else { | ||
2705 | *lbaPtr = 0; | ||
2706 | } | ||
2707 | dbgPrintf("lba: %i\n", *lbaPtr); | ||
2708 | break; | ||
2709 | } | ||
2710 | niro | 1850 | } |
2711 | |||
2712 | niro | 3002 | free(line); |
2713 | fclose(grubConf); | ||
2714 | return 0; | ||
2715 | niro | 1850 | } |
2716 | |||
2717 | niro | 3002 | int suseGrubConfGetInstallDevice(const char *path, char **devicePtr) |
2718 | { | ||
2719 | FILE *grubConf; | ||
2720 | char *line = NULL; | ||
2721 | size_t res = 0, len = 0; | ||
2722 | char *lastParamPtr = NULL; | ||
2723 | char *secLastParamPtr = NULL; | ||
2724 | char installDeviceNumber = '\0'; | ||
2725 | char *bounds = NULL; | ||
2726 | niro | 1850 | |
2727 | niro | 3002 | if (!path) |
2728 | return 1; | ||
2729 | if (!devicePtr) | ||
2730 | return 1; | ||
2731 | niro | 1850 | |
2732 | niro | 3002 | grubConf = fopen(path, "r"); |
2733 | if (!grubConf) | ||
2734 | return 1; | ||
2735 | niro | 1850 | |
2736 | niro | 3002 | while ((res = getline(&line, &len, grubConf)) != -1) { |
2737 | if (strncmp(line, "setup", 5)) | ||
2738 | continue; | ||
2739 | niro | 1850 | |
2740 | niro | 3002 | if (line[res - 1] == '\n') |
2741 | line[res - 1] = '\0'; | ||
2742 | else if (len > res) | ||
2743 | line[res] = '\0'; | ||
2744 | else { | ||
2745 | line = realloc(line, res + 1); | ||
2746 | line[res] = '\0'; | ||
2747 | } | ||
2748 | niro | 1850 | |
2749 | niro | 3002 | lastParamPtr = bounds = line + res; |
2750 | niro | 1850 | |
2751 | niro | 3002 | /* Last parameter in grub may be an optional IMAGE_DEVICE */ |
2752 | while (!isspace(*lastParamPtr)) | ||
2753 | lastParamPtr--; | ||
2754 | lastParamPtr++; | ||
2755 | niro | 1850 | |
2756 | niro | 3002 | secLastParamPtr = lastParamPtr - 2; |
2757 | dbgPrintf("lastParamPtr: %s\n", lastParamPtr); | ||
2758 | niro | 1850 | |
2759 | niro | 3002 | if (lastParamPtr + 3 > bounds) { |
2760 | dbgPrintf("lastParamPtr going over boundary"); | ||
2761 | fclose(grubConf); | ||
2762 | free(line); | ||
2763 | return 1; | ||
2764 | } | ||
2765 | if (!strncmp(lastParamPtr, "(hd", 3)) | ||
2766 | lastParamPtr += 3; | ||
2767 | dbgPrintf("lastParamPtr: %c\n", *lastParamPtr); | ||
2768 | niro | 1850 | |
2769 | niro | 3002 | /* |
2770 | * Second last parameter will decide wether last parameter is | ||
2771 | * an IMAGE_DEVICE or INSTALL_DEVICE | ||
2772 | */ | ||
2773 | while (!isspace(*secLastParamPtr)) | ||
2774 | secLastParamPtr--; | ||
2775 | secLastParamPtr++; | ||
2776 | niro | 1850 | |
2777 | niro | 3002 | if (secLastParamPtr + 3 > bounds) { |
2778 | dbgPrintf("secLastParamPtr going over boundary"); | ||
2779 | fclose(grubConf); | ||
2780 | free(line); | ||
2781 | return 1; | ||
2782 | } | ||
2783 | dbgPrintf("secLastParamPtr: %s\n", secLastParamPtr); | ||
2784 | if (!strncmp(secLastParamPtr, "(hd", 3)) { | ||
2785 | secLastParamPtr += 3; | ||
2786 | dbgPrintf("secLastParamPtr: %c\n", *secLastParamPtr); | ||
2787 | installDeviceNumber = *secLastParamPtr; | ||
2788 | } else { | ||
2789 | installDeviceNumber = *lastParamPtr; | ||
2790 | } | ||
2791 | |||
2792 | *devicePtr = malloc(6); | ||
2793 | snprintf(*devicePtr, 6, "(hd%c)", installDeviceNumber); | ||
2794 | dbgPrintf("installDeviceNumber: %c\n", installDeviceNumber); | ||
2795 | fclose(grubConf); | ||
2796 | free(line); | ||
2797 | return 0; | ||
2798 | niro | 1850 | } |
2799 | |||
2800 | niro | 3002 | free(line); |
2801 | niro | 1850 | fclose(grubConf); |
2802 | niro | 3002 | return 1; |
2803 | niro | 1850 | } |
2804 | |||
2805 | niro | 3002 | int grubGetBootFromDeviceMap(const char *device, char **bootPtr) |
2806 | { | ||
2807 | FILE *deviceMap; | ||
2808 | char *line = NULL; | ||
2809 | size_t res = 0, len = 0; | ||
2810 | char *devicePtr; | ||
2811 | char *bounds = NULL; | ||
2812 | const char *path; | ||
2813 | const static char default_path[] = "/boot/grub/device.map"; | ||
2814 | niro | 1850 | |
2815 | niro | 3002 | if (!device) |
2816 | return 1; | ||
2817 | if (!bootPtr) | ||
2818 | return 1; | ||
2819 | niro | 1850 | |
2820 | niro | 3002 | if ((path = getenv("GRUBBY_GRUB_DEVICE_MAP")) == NULL) |
2821 | path = default_path; | ||
2822 | niro | 1850 | |
2823 | niro | 3002 | dbgPrintf("opening grub device.map file from: %s\n", path); |
2824 | deviceMap = fopen(path, "r"); | ||
2825 | if (!deviceMap) | ||
2826 | return 1; | ||
2827 | niro | 1850 | |
2828 | niro | 3002 | while ((res = getline(&line, &len, deviceMap)) != -1) { |
2829 | if (!strncmp(line, "#", 1)) | ||
2830 | continue; | ||
2831 | niro | 1850 | |
2832 | niro | 3002 | if (line[res - 1] == '\n') |
2833 | line[res - 1] = '\0'; | ||
2834 | else if (len > res) | ||
2835 | line[res] = '\0'; | ||
2836 | else { | ||
2837 | line = realloc(line, res + 1); | ||
2838 | line[res] = '\0'; | ||
2839 | } | ||
2840 | niro | 1850 | |
2841 | niro | 3002 | devicePtr = line; |
2842 | bounds = line + res; | ||
2843 | niro | 1850 | |
2844 | niro | 3002 | while ((isspace(*line) && ((devicePtr + 1) <= bounds))) |
2845 | devicePtr++; | ||
2846 | dbgPrintf("device: %s\n", devicePtr); | ||
2847 | niro | 1850 | |
2848 | niro | 3002 | if (!strncmp(devicePtr, device, strlen(device))) { |
2849 | devicePtr += strlen(device); | ||
2850 | while (isspace(*devicePtr) | ||
2851 | && ((devicePtr + 1) <= bounds)) | ||
2852 | devicePtr++; | ||
2853 | niro | 1850 | |
2854 | niro | 3002 | *bootPtr = strdup(devicePtr); |
2855 | break; | ||
2856 | } | ||
2857 | niro | 1850 | } |
2858 | |||
2859 | niro | 3002 | free(line); |
2860 | fclose(deviceMap); | ||
2861 | return 0; | ||
2862 | niro | 1850 | } |
2863 | |||
2864 | niro | 3002 | int suseGrubConfGetBoot(const char *path, char **bootPtr) |
2865 | { | ||
2866 | char *grubDevice; | ||
2867 | niro | 1850 | |
2868 | niro | 3002 | if (suseGrubConfGetInstallDevice(path, &grubDevice)) |
2869 | dbgPrintf("error looking for grub installation device\n"); | ||
2870 | else | ||
2871 | dbgPrintf("grubby installation device: %s\n", grubDevice); | ||
2872 | niro | 1850 | |
2873 | niro | 3002 | if (grubGetBootFromDeviceMap(grubDevice, bootPtr)) |
2874 | dbgPrintf("error looking for grub boot device\n"); | ||
2875 | else | ||
2876 | dbgPrintf("grubby boot device: %s\n", *bootPtr); | ||
2877 | niro | 1850 | |
2878 | niro | 3002 | free(grubDevice); |
2879 | return 0; | ||
2880 | niro | 1850 | } |
2881 | |||
2882 | niro | 3002 | int parseSuseGrubConf(int *lbaPtr, char **bootPtr) |
2883 | { | ||
2884 | /* | ||
2885 | * This SuSE grub configuration file at this location is not your | ||
2886 | * average grub configuration file, but instead the grub commands | ||
2887 | * used to setup grub on that system. | ||
2888 | */ | ||
2889 | const char *path; | ||
2890 | const static char default_path[] = "/etc/grub.conf"; | ||
2891 | niro | 1850 | |
2892 | niro | 3002 | if ((path = getenv("GRUBBY_SUSE_GRUB_CONF")) == NULL) |
2893 | path = default_path; | ||
2894 | niro | 1850 | |
2895 | niro | 3002 | if (!isSuseGrubConf(path)) |
2896 | return 1; | ||
2897 | niro | 1850 | |
2898 | niro | 3002 | if (lbaPtr) { |
2899 | *lbaPtr = 0; | ||
2900 | if (suseGrubConfGetLba(path, lbaPtr)) | ||
2901 | return 1; | ||
2902 | } | ||
2903 | niro | 1850 | |
2904 | niro | 3002 | if (bootPtr) { |
2905 | *bootPtr = NULL; | ||
2906 | suseGrubConfGetBoot(path, bootPtr); | ||
2907 | } | ||
2908 | niro | 1850 | |
2909 | niro | 3002 | return 0; |
2910 | niro | 1850 | } |
2911 | |||
2912 | niro | 3002 | int parseSysconfigGrub(int *lbaPtr, char **bootPtr) |
2913 | { | ||
2914 | FILE *in; | ||
2915 | char buf[1024]; | ||
2916 | char *chptr; | ||
2917 | char *start; | ||
2918 | char *param; | ||
2919 | niro | 532 | |
2920 | niro | 3002 | in = fopen("/etc/sysconfig/grub", "r"); |
2921 | if (!in) | ||
2922 | return 1; | ||
2923 | niro | 532 | |
2924 | niro | 3002 | if (lbaPtr) |
2925 | *lbaPtr = 0; | ||
2926 | if (bootPtr) | ||
2927 | *bootPtr = NULL; | ||
2928 | niro | 532 | |
2929 | niro | 3002 | while (fgets(buf, sizeof(buf), in)) { |
2930 | start = buf; | ||
2931 | while (isspace(*start)) | ||
2932 | start++; | ||
2933 | if (*start == '#') | ||
2934 | continue; | ||
2935 | niro | 532 | |
2936 | niro | 3002 | chptr = strchr(start, '='); |
2937 | if (!chptr) | ||
2938 | continue; | ||
2939 | chptr--; | ||
2940 | while (*chptr && isspace(*chptr)) | ||
2941 | chptr--; | ||
2942 | chptr++; | ||
2943 | *chptr = '\0'; | ||
2944 | niro | 532 | |
2945 | niro | 3002 | param = chptr + 1; |
2946 | while (*param && isspace(*param)) | ||
2947 | param++; | ||
2948 | if (*param == '=') { | ||
2949 | param++; | ||
2950 | while (*param && isspace(*param)) | ||
2951 | param++; | ||
2952 | } | ||
2953 | niro | 532 | |
2954 | niro | 3002 | chptr = param; |
2955 | while (*chptr && !isspace(*chptr)) | ||
2956 | chptr++; | ||
2957 | *chptr = '\0'; | ||
2958 | niro | 532 | |
2959 | niro | 3002 | if (!strcmp(start, "forcelba") && !strcmp(param, "1") && lbaPtr) |
2960 | *lbaPtr = 1; | ||
2961 | else if (!strcmp(start, "boot") && bootPtr) | ||
2962 | *bootPtr = strdup(param); | ||
2963 | } | ||
2964 | niro | 532 | |
2965 | niro | 3002 | fclose(in); |
2966 | niro | 532 | |
2967 | niro | 3002 | return 0; |
2968 | niro | 532 | } |
2969 | |||
2970 | niro | 3002 | void dumpSysconfigGrub(void) |
2971 | { | ||
2972 | char *boot = NULL; | ||
2973 | int lba; | ||
2974 | niro | 532 | |
2975 | niro | 3002 | if (isSuseSystem()) { |
2976 | if (parseSuseGrubConf(&lba, &boot)) { | ||
2977 | free(boot); | ||
2978 | return; | ||
2979 | } | ||
2980 | } else { | ||
2981 | if (parseSysconfigGrub(&lba, &boot)) { | ||
2982 | free(boot); | ||
2983 | return; | ||
2984 | } | ||
2985 | niro | 1850 | } |
2986 | niro | 3002 | |
2987 | if (lba) | ||
2988 | printf("lba\n"); | ||
2989 | if (boot) { | ||
2990 | printf("boot=%s\n", boot); | ||
2991 | free(boot); | ||
2992 | niro | 1850 | } |
2993 | niro | 532 | } |
2994 | |||
2995 | niro | 3002 | int displayInfo(struct grubConfig *config, char *kernel, const char *prefix) |
2996 | { | ||
2997 | int i = 0; | ||
2998 | struct singleEntry *entry; | ||
2999 | struct singleLine *line; | ||
3000 | niro | 532 | |
3001 | niro | 3002 | entry = findEntryByPath(config, kernel, prefix, &i); |
3002 | if (!entry) { | ||
3003 | fprintf(stderr, _("grubby: kernel not found\n")); | ||
3004 | return 1; | ||
3005 | niro | 532 | } |
3006 | |||
3007 | niro | 3002 | /* this is a horrible hack to support /etc/sysconfig/grub; there must |
3008 | be a better way */ | ||
3009 | if (config->cfi == &grubConfigType) { | ||
3010 | dumpSysconfigGrub(); | ||
3011 | } else { | ||
3012 | line = getLineByType(LT_BOOT, config->theLines); | ||
3013 | if (line && line->numElements >= 1) { | ||
3014 | printf("boot=%s\n", line->elements[1].item); | ||
3015 | } | ||
3016 | niro | 532 | |
3017 | niro | 3002 | line = getLineByType(LT_LBA, config->theLines); |
3018 | if (line) | ||
3019 | printf("lba\n"); | ||
3020 | } | ||
3021 | niro | 532 | |
3022 | displayEntry(entry, prefix, i); | ||
3023 | niro | 3002 | |
3024 | niro | 532 | i++; |
3025 | niro | 3002 | while ((entry = findEntryByPath(config, kernel, prefix, &i))) { |
3026 | displayEntry(entry, prefix, i); | ||
3027 | i++; | ||
3028 | } | ||
3029 | niro | 532 | |
3030 | niro | 3002 | return 0; |
3031 | niro | 532 | } |
3032 | |||
3033 | niro | 3002 | struct singleLine *addLineTmpl(struct singleEntry *entry, |
3034 | struct singleLine *tmplLine, | ||
3035 | struct singleLine *prevLine, | ||
3036 | const char *val, struct configFileInfo *cfi) | ||
3037 | niro | 914 | { |
3038 | niro | 3002 | struct singleLine *newLine = lineDup(tmplLine); |
3039 | niro | 914 | |
3040 | niro | 3002 | if (isEfi && cfi == &grub2ConfigType) { |
3041 | enum lineType_e old = newLine->type; | ||
3042 | newLine->type = preferredLineType(newLine->type, cfi); | ||
3043 | if (old != newLine->type) | ||
3044 | newLine->elements[0].item = | ||
3045 | getKeyByType(newLine->type, cfi); | ||
3046 | } | ||
3047 | niro | 1940 | |
3048 | niro | 3002 | if (val) { |
3049 | /* override the inherited value with our own. | ||
3050 | * This is a little weak because it only applies to elements[1] | ||
3051 | */ | ||
3052 | if (newLine->numElements > 1) | ||
3053 | removeElement(newLine, 1); | ||
3054 | insertElement(newLine, val, 1, cfi); | ||
3055 | niro | 914 | |
3056 | niro | 3002 | /* but try to keep the rootspec from the template... sigh */ |
3057 | if (tmplLine-> | ||
3058 | type & (LT_HYPER | LT_KERNEL | LT_MBMODULE | LT_INITRD | | ||
3059 | LT_KERNEL_EFI | LT_INITRD_EFI | LT_KERNEL_16 | | ||
3060 | LT_INITRD_16)) { | ||
3061 | char *rootspec = | ||
3062 | getRootSpecifier(tmplLine->elements[1].item); | ||
3063 | if (rootspec != NULL) { | ||
3064 | free(newLine->elements[1].item); | ||
3065 | newLine->elements[1].item = | ||
3066 | sdupprintf("%s%s", rootspec, val); | ||
3067 | } | ||
3068 | } | ||
3069 | niro | 914 | } |
3070 | |||
3071 | niro | 3002 | dbgPrintf("addLineTmpl(%s)\n", newLine->numElements ? |
3072 | newLine->elements[0].item : ""); | ||
3073 | niro | 914 | |
3074 | niro | 3002 | if (!entry->lines) { |
3075 | /* first one on the list */ | ||
3076 | entry->lines = newLine; | ||
3077 | } else if (prevLine) { | ||
3078 | /* add after prevLine */ | ||
3079 | newLine->next = prevLine->next; | ||
3080 | prevLine->next = newLine; | ||
3081 | } | ||
3082 | niro | 914 | |
3083 | niro | 3002 | return newLine; |
3084 | niro | 914 | } |
3085 | |||
3086 | niro | 532 | /* val may be NULL */ |
3087 | niro | 3002 | struct singleLine *addLine(struct singleEntry *entry, |
3088 | struct configFileInfo *cfi, | ||
3089 | enum lineType_e type, char *defaultIndent, | ||
3090 | const char *val) | ||
3091 | { | ||
3092 | struct singleLine *line, *prev; | ||
3093 | struct keywordTypes *kw; | ||
3094 | struct singleLine tmpl; | ||
3095 | niro | 532 | |
3096 | niro | 3002 | /* NB: This function shouldn't allocate items on the heap, rather on |
3097 | * the stack since it calls addLineTmpl which will make copies. | ||
3098 | */ | ||
3099 | if (type == LT_TITLE && cfi->titleBracketed) { | ||
3100 | /* we're doing a bracketed title (zipl) */ | ||
3101 | tmpl.type = type; | ||
3102 | tmpl.numElements = 1; | ||
3103 | tmpl.elements = alloca(sizeof(*tmpl.elements)); | ||
3104 | tmpl.elements[0].item = alloca(strlen(val) + 3); | ||
3105 | sprintf(tmpl.elements[0].item, "[%s]", val); | ||
3106 | tmpl.elements[0].indent = ""; | ||
3107 | val = NULL; | ||
3108 | } else if (type == LT_MENUENTRY) { | ||
3109 | char *lineend = "--class gnu-linux --class gnu --class os {"; | ||
3110 | if (!val) { | ||
3111 | fprintf(stderr, | ||
3112 | "Line type LT_MENUENTRY requires a value\n"); | ||
3113 | abort(); | ||
3114 | } | ||
3115 | kw = getKeywordByType(type, cfi); | ||
3116 | if (!kw) { | ||
3117 | fprintf(stderr, | ||
3118 | "Looking up keyword for unknown type %d\n", | ||
3119 | type); | ||
3120 | abort(); | ||
3121 | } | ||
3122 | tmpl.indent = ""; | ||
3123 | tmpl.type = type; | ||
3124 | tmpl.numElements = 3; | ||
3125 | tmpl.elements = | ||
3126 | alloca(sizeof(*tmpl.elements) * tmpl.numElements); | ||
3127 | tmpl.elements[0].item = kw->key; | ||
3128 | tmpl.elements[0].indent = alloca(2); | ||
3129 | sprintf(tmpl.elements[0].indent, "%c", kw->nextChar); | ||
3130 | tmpl.elements[1].item = (char *)val; | ||
3131 | tmpl.elements[1].indent = alloca(2); | ||
3132 | sprintf(tmpl.elements[1].indent, "%c", kw->nextChar); | ||
3133 | tmpl.elements[2].item = alloca(strlen(lineend) + 1); | ||
3134 | strcpy(tmpl.elements[2].item, lineend); | ||
3135 | tmpl.elements[2].indent = ""; | ||
3136 | } else { | ||
3137 | kw = getKeywordByType(type, cfi); | ||
3138 | if (!kw) { | ||
3139 | fprintf(stderr, | ||
3140 | "Looking up keyword for unknown type %d\n", | ||
3141 | type); | ||
3142 | abort(); | ||
3143 | } | ||
3144 | tmpl.type = type; | ||
3145 | tmpl.numElements = val ? 2 : 1; | ||
3146 | tmpl.elements = | ||
3147 | alloca(sizeof(*tmpl.elements) * tmpl.numElements); | ||
3148 | tmpl.elements[0].item = kw->key; | ||
3149 | tmpl.elements[0].indent = alloca(2); | ||
3150 | sprintf(tmpl.elements[0].indent, "%c", kw->nextChar); | ||
3151 | if (val) { | ||
3152 | tmpl.elements[1].item = (char *)val; | ||
3153 | tmpl.elements[1].indent = ""; | ||
3154 | } | ||
3155 | niro | 1696 | } |
3156 | niro | 3002 | |
3157 | /* The last non-empty line gives us the indention to us and the line | ||
3158 | * to insert after. Note that comments are considered empty lines, | ||
3159 | * which may not be ideal? If there are no lines or we are looking at | ||
3160 | * the first line, we use defaultIndent (the first line is normally | ||
3161 | * indented differently from the rest) */ | ||
3162 | for (line = entry->lines, prev = NULL; line; line = line->next) { | ||
3163 | if (line->numElements) | ||
3164 | prev = line; | ||
3165 | /* fall back on the last line if prev isn't otherwise set */ | ||
3166 | if (!line->next && !prev) | ||
3167 | prev = line; | ||
3168 | niro | 1696 | } |
3169 | niro | 3002 | |
3170 | struct singleLine *menuEntry; | ||
3171 | menuEntry = getLineByType(LT_MENUENTRY, entry->lines); | ||
3172 | if (tmpl.type == LT_ENTRY_END) { | ||
3173 | if (menuEntry) | ||
3174 | tmpl.indent = menuEntry->indent; | ||
3175 | else | ||
3176 | tmpl.indent = defaultIndent ? : ""; | ||
3177 | } else if (tmpl.type != LT_MENUENTRY) { | ||
3178 | if (menuEntry) | ||
3179 | tmpl.indent = "\t"; | ||
3180 | else if (prev == entry->lines) | ||
3181 | tmpl.indent = defaultIndent ? : ""; | ||
3182 | else | ||
3183 | tmpl.indent = prev->indent; | ||
3184 | niro | 1696 | } |
3185 | niro | 914 | |
3186 | niro | 3002 | return addLineTmpl(entry, &tmpl, prev, val, cfi); |
3187 | niro | 532 | } |
3188 | |||
3189 | niro | 3002 | void removeLine(struct singleEntry *entry, struct singleLine *line) |
3190 | { | ||
3191 | struct singleLine *prev; | ||
3192 | int i; | ||
3193 | niro | 532 | |
3194 | niro | 3002 | for (i = 0; i < line->numElements; i++) { |
3195 | free(line->elements[i].item); | ||
3196 | free(line->elements[i].indent); | ||
3197 | } | ||
3198 | free(line->elements); | ||
3199 | free(line->indent); | ||
3200 | niro | 532 | |
3201 | niro | 3002 | if (line == entry->lines) { |
3202 | entry->lines = line->next; | ||
3203 | } else { | ||
3204 | prev = entry->lines; | ||
3205 | while (prev->next != line) | ||
3206 | prev = prev->next; | ||
3207 | prev->next = line->next; | ||
3208 | } | ||
3209 | niro | 532 | |
3210 | niro | 3002 | free(line); |
3211 | niro | 532 | } |
3212 | |||
3213 | niro | 3002 | static void requote(struct singleLine *tmplLine, struct configFileInfo *cfi) |
3214 | niro | 1696 | { |
3215 | niro | 3002 | struct singleLine newLine = { |
3216 | .indent = tmplLine->indent, | ||
3217 | .type = tmplLine->type, | ||
3218 | .next = tmplLine->next, | ||
3219 | }; | ||
3220 | int firstQuotedItem = -1; | ||
3221 | int quoteLen = 0; | ||
3222 | int j; | ||
3223 | int element = 0; | ||
3224 | char *c; | ||
3225 | niro | 1696 | |
3226 | niro | 3002 | c = malloc(strlen(tmplLine->elements[0].item) + 1); |
3227 | strcpy(c, tmplLine->elements[0].item); | ||
3228 | insertElement(&newLine, c, element++, cfi); | ||
3229 | free(c); | ||
3230 | c = NULL; | ||
3231 | niro | 1696 | |
3232 | niro | 3002 | for (j = 1; j < tmplLine->numElements; j++) { |
3233 | if (firstQuotedItem == -1) { | ||
3234 | quoteLen += strlen(tmplLine->elements[j].item); | ||
3235 | |||
3236 | if (isquote(tmplLine->elements[j].item[0])) { | ||
3237 | firstQuotedItem = j; | ||
3238 | quoteLen += | ||
3239 | strlen(tmplLine->elements[j].indent); | ||
3240 | } else { | ||
3241 | c = malloc(quoteLen + 1); | ||
3242 | strcpy(c, tmplLine->elements[j].item); | ||
3243 | insertElement(&newLine, c, element++, cfi); | ||
3244 | free(c); | ||
3245 | quoteLen = 0; | ||
3246 | } | ||
3247 | } else { | ||
3248 | int itemlen = strlen(tmplLine->elements[j].item); | ||
3249 | quoteLen += itemlen; | ||
3250 | quoteLen += strlen(tmplLine->elements[j].indent); | ||
3251 | |||
3252 | if (isquote(tmplLine->elements[j].item[itemlen - 1])) { | ||
3253 | c = malloc(quoteLen + 1); | ||
3254 | c[0] = '\0'; | ||
3255 | for (int i = firstQuotedItem; i < j + 1; i++) { | ||
3256 | strcat(c, tmplLine->elements[i].item); | ||
3257 | strcat(c, tmplLine->elements[i].indent); | ||
3258 | } | ||
3259 | insertElement(&newLine, c, element++, cfi); | ||
3260 | free(c); | ||
3261 | |||
3262 | firstQuotedItem = -1; | ||
3263 | quoteLen = 0; | ||
3264 | } | ||
3265 | niro | 1696 | } |
3266 | } | ||
3267 | niro | 3002 | while (tmplLine->numElements) |
3268 | removeElement(tmplLine, 0); | ||
3269 | if (tmplLine->elements) | ||
3270 | free(tmplLine->elements); | ||
3271 | niro | 1696 | |
3272 | niro | 3002 | tmplLine->numElements = newLine.numElements; |
3273 | tmplLine->elements = newLine.elements; | ||
3274 | niro | 1696 | } |
3275 | |||
3276 | niro | 3002 | static void insertElement(struct singleLine *line, |
3277 | const char *item, int insertHere, | ||
3278 | struct configFileInfo *cfi) | ||
3279 | niro | 914 | { |
3280 | niro | 3002 | struct keywordTypes *kw; |
3281 | char indent[2] = ""; | ||
3282 | niro | 914 | |
3283 | niro | 3002 | /* sanity check */ |
3284 | if (insertHere > line->numElements) { | ||
3285 | dbgPrintf | ||
3286 | ("insertElement() adjusting insertHere from %d to %d\n", | ||
3287 | insertHere, line->numElements); | ||
3288 | insertHere = line->numElements; | ||
3289 | } | ||
3290 | niro | 914 | |
3291 | niro | 3002 | line->elements = realloc(line->elements, (line->numElements + 1) * |
3292 | sizeof(*line->elements)); | ||
3293 | memmove(&line->elements[insertHere + 1], | ||
3294 | &line->elements[insertHere], | ||
3295 | (line->numElements - insertHere) * sizeof(*line->elements)); | ||
3296 | line->elements[insertHere].item = strdup(item); | ||
3297 | niro | 914 | |
3298 | niro | 3002 | kw = getKeywordByType(line->type, cfi); |
3299 | niro | 914 | |
3300 | niro | 3002 | if (line->numElements == 0) { |
3301 | indent[0] = '\0'; | ||
3302 | } else if (insertHere == 0) { | ||
3303 | indent[0] = kw->nextChar; | ||
3304 | } else if (kw->separatorChar != '\0') { | ||
3305 | indent[0] = kw->separatorChar; | ||
3306 | } else { | ||
3307 | indent[0] = ' '; | ||
3308 | } | ||
3309 | niro | 914 | |
3310 | niro | 3002 | if (insertHere > 0 && line->elements[insertHere - 1].indent[0] == '\0') { |
3311 | /* move the end-of-line forward */ | ||
3312 | line->elements[insertHere].indent = | ||
3313 | line->elements[insertHere - 1].indent; | ||
3314 | line->elements[insertHere - 1].indent = strdup(indent); | ||
3315 | } else { | ||
3316 | line->elements[insertHere].indent = strdup(indent); | ||
3317 | } | ||
3318 | niro | 914 | |
3319 | niro | 3002 | line->numElements++; |
3320 | niro | 914 | |
3321 | niro | 3002 | dbgPrintf("insertElement(%s, '%s%s', %d)\n", |
3322 | line->elements[0].item, | ||
3323 | line->elements[insertHere].item, | ||
3324 | line->elements[insertHere].indent, insertHere); | ||
3325 | niro | 914 | } |
3326 | |||
3327 | niro | 3002 | static void removeElement(struct singleLine *line, int removeHere) |
3328 | { | ||
3329 | int i; | ||
3330 | niro | 914 | |
3331 | niro | 3002 | /* sanity check */ |
3332 | if (removeHere >= line->numElements) | ||
3333 | return; | ||
3334 | niro | 914 | |
3335 | niro | 3002 | dbgPrintf("removeElement(%s, %d:%s)\n", line->elements[0].item, |
3336 | removeHere, line->elements[removeHere].item); | ||
3337 | niro | 914 | |
3338 | niro | 3002 | free(line->elements[removeHere].item); |
3339 | niro | 914 | |
3340 | niro | 3002 | if (removeHere > 1) { |
3341 | /* previous argument gets this argument's post-indentation */ | ||
3342 | free(line->elements[removeHere - 1].indent); | ||
3343 | line->elements[removeHere - 1].indent = | ||
3344 | line->elements[removeHere].indent; | ||
3345 | } else { | ||
3346 | free(line->elements[removeHere].indent); | ||
3347 | } | ||
3348 | niro | 914 | |
3349 | niro | 3002 | /* now collapse the array, but don't bother to realloc smaller */ |
3350 | for (i = removeHere; i < line->numElements - 1; i++) | ||
3351 | line->elements[i] = line->elements[i + 1]; | ||
3352 | niro | 914 | |
3353 | niro | 3002 | line->numElements--; |
3354 | niro | 914 | } |
3355 | |||
3356 | niro | 3002 | int argMatch(const char *one, const char *two) |
3357 | { | ||
3358 | char *first, *second; | ||
3359 | char *chptr; | ||
3360 | niro | 532 | |
3361 | niro | 3002 | first = strcpy(alloca(strlen(one) + 1), one); |
3362 | second = strcpy(alloca(strlen(two) + 1), two); | ||
3363 | niro | 532 | |
3364 | niro | 3002 | chptr = strchr(first, '='); |
3365 | if (chptr) | ||
3366 | *chptr = '\0'; | ||
3367 | niro | 532 | |
3368 | niro | 3002 | chptr = strchr(second, '='); |
3369 | if (chptr) | ||
3370 | *chptr = '\0'; | ||
3371 | niro | 532 | |
3372 | niro | 3002 | return strcmp(first, second); |
3373 | niro | 532 | } |
3374 | |||
3375 | niro | 3002 | int updateActualImage(struct grubConfig *cfg, const char *image, |
3376 | const char *prefix, const char *addArgs, | ||
3377 | const char *removeArgs, int multibootArgs) | ||
3378 | { | ||
3379 | struct singleEntry *entry; | ||
3380 | struct singleLine *line, *rootLine; | ||
3381 | int index = 0; | ||
3382 | int i, k; | ||
3383 | const char **newArgs, **oldArgs; | ||
3384 | const char **arg; | ||
3385 | int useKernelArgs, useRoot; | ||
3386 | int firstElement; | ||
3387 | int *usedElements; | ||
3388 | int doreplace; | ||
3389 | niro | 532 | |
3390 | niro | 3002 | if (!image) |
3391 | return 0; | ||
3392 | niro | 532 | |
3393 | niro | 3002 | if (!addArgs) { |
3394 | newArgs = malloc(sizeof(*newArgs)); | ||
3395 | *newArgs = NULL; | ||
3396 | } else { | ||
3397 | if (poptParseArgvString(addArgs, NULL, &newArgs)) { | ||
3398 | fprintf(stderr, | ||
3399 | _("grubby: error separating arguments '%s'\n"), | ||
3400 | addArgs); | ||
3401 | return 1; | ||
3402 | } | ||
3403 | niro | 532 | } |
3404 | |||
3405 | niro | 3002 | if (!removeArgs) { |
3406 | oldArgs = malloc(sizeof(*oldArgs)); | ||
3407 | *oldArgs = NULL; | ||
3408 | } else { | ||
3409 | if (poptParseArgvString(removeArgs, NULL, &oldArgs)) { | ||
3410 | fprintf(stderr, | ||
3411 | _("grubby: error separating arguments '%s'\n"), | ||
3412 | removeArgs); | ||
3413 | free(newArgs); | ||
3414 | return 1; | ||
3415 | } | ||
3416 | niro | 532 | } |
3417 | |||
3418 | niro | 3002 | useKernelArgs = (getKeywordByType(LT_KERNELARGS, cfg->cfi) |
3419 | && (!multibootArgs || cfg->cfi->mbConcatArgs)); | ||
3420 | niro | 532 | |
3421 | niro | 3002 | useRoot = (getKeywordByType(LT_ROOT, cfg->cfi) |
3422 | && !multibootArgs); | ||
3423 | niro | 532 | |
3424 | niro | 3002 | for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
3425 | niro | 532 | |
3426 | niro | 3002 | if (multibootArgs && !entry->multiboot) |
3427 | continue; | ||
3428 | niro | 532 | |
3429 | niro | 3002 | /* Determine where to put the args. If this config supports |
3430 | * LT_KERNELARGS, use that. Otherwise use | ||
3431 | * LT_HYPER/LT_KERNEL/LT_MBMODULE lines. | ||
3432 | */ | ||
3433 | if (useKernelArgs) { | ||
3434 | line = getLineByType(LT_KERNELARGS, entry->lines); | ||
3435 | if (!line) { | ||
3436 | /* no LT_KERNELARGS, need to add it */ | ||
3437 | line = addLine(entry, cfg->cfi, LT_KERNELARGS, | ||
3438 | cfg->secondaryIndent, NULL); | ||
3439 | } | ||
3440 | firstElement = 1; | ||
3441 | niro | 532 | |
3442 | niro | 3002 | } else if (multibootArgs) { |
3443 | line = getLineByType(LT_HYPER, entry->lines); | ||
3444 | if (!line) { | ||
3445 | /* a multiboot entry without LT_HYPER? */ | ||
3446 | continue; | ||
3447 | } | ||
3448 | firstElement = 2; | ||
3449 | niro | 532 | |
3450 | niro | 3002 | } else { |
3451 | line = | ||
3452 | getLineByType(LT_KERNEL | LT_MBMODULE | | ||
3453 | LT_KERNEL_EFI | LT_KERNEL_16, | ||
3454 | entry->lines); | ||
3455 | if (!line) { | ||
3456 | /* no LT_KERNEL or LT_MBMODULE in this entry? */ | ||
3457 | continue; | ||
3458 | } | ||
3459 | firstElement = 2; | ||
3460 | } | ||
3461 | niro | 914 | |
3462 | niro | 3002 | /* handle the elilo case which does: |
3463 | * append="hypervisor args -- kernel args" | ||
3464 | niro | 914 | */ |
3465 | niro | 3002 | if (entry->multiboot && cfg->cfi->mbConcatArgs) { |
3466 | /* this is a multiboot entry, make sure there's | ||
3467 | * -- on the args line | ||
3468 | */ | ||
3469 | for (i = firstElement; i < line->numElements; i++) { | ||
3470 | if (!strcmp(line->elements[i].item, "--")) | ||
3471 | break; | ||
3472 | } | ||
3473 | if (i == line->numElements) { | ||
3474 | /* assume all existing args are kernel args, | ||
3475 | * prepend -- to make it official | ||
3476 | */ | ||
3477 | insertElement(line, "--", firstElement, | ||
3478 | cfg->cfi); | ||
3479 | i = firstElement; | ||
3480 | } | ||
3481 | if (!multibootArgs) { | ||
3482 | /* kernel args start after the -- */ | ||
3483 | firstElement = i + 1; | ||
3484 | } | ||
3485 | } else if (cfg->cfi->mbConcatArgs) { | ||
3486 | /* this is a non-multiboot entry, remove hyper args */ | ||
3487 | for (i = firstElement; i < line->numElements; i++) { | ||
3488 | if (!strcmp(line->elements[i].item, "--")) | ||
3489 | break; | ||
3490 | } | ||
3491 | if (i < line->numElements) { | ||
3492 | /* remove args up to -- */ | ||
3493 | while (strcmp | ||
3494 | (line->elements[firstElement].item, | ||
3495 | "--")) | ||
3496 | removeElement(line, firstElement); | ||
3497 | /* remove -- */ | ||
3498 | removeElement(line, firstElement); | ||
3499 | } | ||
3500 | } | ||
3501 | niro | 532 | |
3502 | niro | 3002 | usedElements = calloc(line->numElements, sizeof(*usedElements)); |
3503 | niro | 532 | |
3504 | niro | 3002 | for (k = 0, arg = newArgs; *arg; arg++, k++) { |
3505 | niro | 914 | |
3506 | niro | 3002 | doreplace = 1; |
3507 | for (i = firstElement; i < line->numElements; i++) { | ||
3508 | if (multibootArgs && cfg->cfi->mbConcatArgs && | ||
3509 | !strcmp(line->elements[i].item, "--")) { | ||
3510 | /* reached the end of hyper args, insert here */ | ||
3511 | doreplace = 0; | ||
3512 | break; | ||
3513 | } | ||
3514 | if (usedElements[i]) | ||
3515 | continue; | ||
3516 | if (!argMatch(line->elements[i].item, *arg)) { | ||
3517 | usedElements[i] = 1; | ||
3518 | break; | ||
3519 | } | ||
3520 | } | ||
3521 | niro | 532 | |
3522 | niro | 3002 | if (i < line->numElements && doreplace) { |
3523 | /* direct replacement */ | ||
3524 | free(line->elements[i].item); | ||
3525 | line->elements[i].item = strdup(*arg); | ||
3526 | niro | 532 | |
3527 | niro | 3002 | } else if (useRoot && !strncmp(*arg, "root=/dev/", 10)) { |
3528 | /* root= replacement */ | ||
3529 | rootLine = getLineByType(LT_ROOT, entry->lines); | ||
3530 | if (rootLine) { | ||
3531 | free(rootLine->elements[1].item); | ||
3532 | rootLine->elements[1].item = | ||
3533 | strdup(*arg + 5); | ||
3534 | } else { | ||
3535 | rootLine = | ||
3536 | addLine(entry, cfg->cfi, LT_ROOT, | ||
3537 | cfg->secondaryIndent, | ||
3538 | *arg + 5); | ||
3539 | } | ||
3540 | } | ||
3541 | niro | 532 | |
3542 | niro | 3002 | else { |
3543 | /* insert/append */ | ||
3544 | insertElement(line, *arg, i, cfg->cfi); | ||
3545 | usedElements = | ||
3546 | realloc(usedElements, | ||
3547 | line->numElements * | ||
3548 | sizeof(*usedElements)); | ||
3549 | memmove(&usedElements[i + 1], &usedElements[i], | ||
3550 | line->numElements - i - 1); | ||
3551 | usedElements[i] = 1; | ||
3552 | niro | 532 | |
3553 | niro | 3002 | /* if we updated a root= here even though |
3554 | * there is a LT_ROOT available we need to | ||
3555 | * remove the LT_ROOT entry (this will happen | ||
3556 | * if we switch from a device to a label) */ | ||
3557 | if (useRoot && !strncmp(*arg, "root=", 5)) { | ||
3558 | rootLine = | ||
3559 | getLineByType(LT_ROOT, | ||
3560 | entry->lines); | ||
3561 | if (rootLine) | ||
3562 | removeLine(entry, rootLine); | ||
3563 | } | ||
3564 | } | ||
3565 | niro | 532 | } |
3566 | |||
3567 | niro | 3002 | free(usedElements); |
3568 | niro | 532 | |
3569 | niro | 3002 | for (arg = oldArgs; *arg; arg++) { |
3570 | for (i = firstElement; i < line->numElements; i++) { | ||
3571 | if (multibootArgs && cfg->cfi->mbConcatArgs && | ||
3572 | !strcmp(line->elements[i].item, "--")) | ||
3573 | /* reached the end of hyper args, stop here */ | ||
3574 | break; | ||
3575 | if (!argMatch(line->elements[i].item, *arg)) { | ||
3576 | removeElement(line, i); | ||
3577 | break; | ||
3578 | } | ||
3579 | } | ||
3580 | /* handle removing LT_ROOT line too */ | ||
3581 | if (useRoot && !strncmp(*arg, "root=", 5)) { | ||
3582 | rootLine = getLineByType(LT_ROOT, entry->lines); | ||
3583 | if (rootLine) | ||
3584 | removeLine(entry, rootLine); | ||
3585 | } | ||
3586 | niro | 532 | } |
3587 | |||
3588 | niro | 3002 | if (line->numElements == 1) { |
3589 | /* don't need the line at all (note it has to be a | ||
3590 | LT_KERNELARGS for this to happen */ | ||
3591 | removeLine(entry, line); | ||
3592 | } | ||
3593 | niro | 532 | } |
3594 | |||
3595 | niro | 3002 | free(newArgs); |
3596 | free(oldArgs); | ||
3597 | niro | 532 | |
3598 | niro | 3002 | return 0; |
3599 | niro | 532 | } |
3600 | |||
3601 | niro | 3002 | int updateImage(struct grubConfig *cfg, const char *image, |
3602 | const char *prefix, const char *addArgs, | ||
3603 | const char *removeArgs, | ||
3604 | const char *addMBArgs, const char *removeMBArgs) | ||
3605 | { | ||
3606 | int rc = 0; | ||
3607 | niro | 532 | |
3608 | niro | 3002 | if (!image) |
3609 | return rc; | ||
3610 | niro | 532 | |
3611 | niro | 3002 | /* update the main args first... */ |
3612 | if (addArgs || removeArgs) | ||
3613 | rc = updateActualImage(cfg, image, prefix, addArgs, removeArgs, | ||
3614 | 0); | ||
3615 | if (rc) | ||
3616 | return rc; | ||
3617 | niro | 532 | |
3618 | niro | 3002 | /* and now any multiboot args */ |
3619 | if (addMBArgs || removeMBArgs) | ||
3620 | rc = updateActualImage(cfg, image, prefix, addMBArgs, | ||
3621 | removeMBArgs, 1); | ||
3622 | return rc; | ||
3623 | niro | 532 | } |
3624 | |||
3625 | niro | 3002 | int addMBInitrd(struct grubConfig *cfg, const char *newMBKernel, |
3626 | const char *image, const char *prefix, const char *initrd, | ||
3627 | const char *title) | ||
3628 | { | ||
3629 | struct singleEntry *entry; | ||
3630 | struct singleLine *line, *kernelLine, *endLine = NULL; | ||
3631 | int index = 0; | ||
3632 | niro | 2263 | |
3633 | niro | 3002 | if (!image) |
3634 | return 0; | ||
3635 | niro | 2263 | |
3636 | niro | 3002 | for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
3637 | kernelLine = getLineByType(LT_MBMODULE, entry->lines); | ||
3638 | if (!kernelLine) | ||
3639 | continue; | ||
3640 | niro | 2263 | |
3641 | niro | 3002 | /* if title is supplied, the entry's title must match it. */ |
3642 | if (title) { | ||
3643 | char *linetitle; | ||
3644 | niro | 2962 | |
3645 | niro | 3002 | line = |
3646 | getLineByType(LT_TITLE | LT_MENUENTRY, | ||
3647 | entry->lines); | ||
3648 | if (!line) | ||
3649 | continue; | ||
3650 | niro | 2960 | |
3651 | niro | 3002 | linetitle = extractTitle(cfg, line); |
3652 | if (!linetitle) | ||
3653 | continue; | ||
3654 | if (strcmp(title, linetitle)) { | ||
3655 | free(linetitle); | ||
3656 | continue; | ||
3657 | } | ||
3658 | free(linetitle); | ||
3659 | } | ||
3660 | niro | 2960 | |
3661 | niro | 3002 | if (prefix) { |
3662 | int prefixLen = strlen(prefix); | ||
3663 | if (!strncmp(initrd, prefix, prefixLen)) | ||
3664 | initrd += prefixLen; | ||
3665 | } | ||
3666 | endLine = getLineByType(LT_ENTRY_END, entry->lines); | ||
3667 | if (endLine) | ||
3668 | removeLine(entry, endLine); | ||
3669 | line = | ||
3670 | addLine(entry, cfg->cfi, | ||
3671 | preferredLineType(LT_MBMODULE, cfg->cfi), | ||
3672 | kernelLine->indent, initrd); | ||
3673 | if (!line) | ||
3674 | return 1; | ||
3675 | if (endLine) { | ||
3676 | line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL); | ||
3677 | if (!line) | ||
3678 | return 1; | ||
3679 | } | ||
3680 | |||
3681 | break; | ||
3682 | niro | 2263 | } |
3683 | |||
3684 | niro | 3002 | return 0; |
3685 | niro | 2263 | } |
3686 | |||
3687 | niro | 3002 | int updateInitrd(struct grubConfig *cfg, const char *image, |
3688 | const char *prefix, const char *initrd, const char *title) | ||
3689 | { | ||
3690 | struct singleEntry *entry; | ||
3691 | struct singleLine *line, *kernelLine, *endLine = NULL; | ||
3692 | int index = 0; | ||
3693 | niro | 1156 | |
3694 | niro | 3002 | if (!image) |
3695 | return 0; | ||
3696 | niro | 1156 | |
3697 | niro | 3002 | for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
3698 | kernelLine = | ||
3699 | getLineByType(LT_KERNEL | LT_KERNEL_EFI | LT_KERNEL_16, | ||
3700 | entry->lines); | ||
3701 | if (!kernelLine) | ||
3702 | continue; | ||
3703 | niro | 1156 | |
3704 | niro | 3002 | /* if title is supplied, the entry's title must match it. */ |
3705 | if (title) { | ||
3706 | char *linetitle; | ||
3707 | niro | 2962 | |
3708 | niro | 3002 | line = |
3709 | getLineByType(LT_TITLE | LT_MENUENTRY, | ||
3710 | entry->lines); | ||
3711 | if (!line) | ||
3712 | continue; | ||
3713 | niro | 2960 | |
3714 | niro | 3002 | linetitle = extractTitle(cfg, line); |
3715 | if (!linetitle) | ||
3716 | continue; | ||
3717 | if (strcmp(title, linetitle)) { | ||
3718 | free(linetitle); | ||
3719 | continue; | ||
3720 | } | ||
3721 | free(linetitle); | ||
3722 | } | ||
3723 | niro | 2960 | |
3724 | niro | 3002 | line = |
3725 | getLineByType(LT_INITRD | LT_INITRD_EFI | LT_INITRD_16, | ||
3726 | entry->lines); | ||
3727 | if (line) | ||
3728 | removeLine(entry, line); | ||
3729 | if (prefix) { | ||
3730 | int prefixLen = strlen(prefix); | ||
3731 | if (!strncmp(initrd, prefix, prefixLen)) | ||
3732 | initrd += prefixLen; | ||
3733 | } | ||
3734 | endLine = getLineByType(LT_ENTRY_END, entry->lines); | ||
3735 | if (endLine) | ||
3736 | removeLine(entry, endLine); | ||
3737 | enum lineType_e lt; | ||
3738 | switch (kernelLine->type) { | ||
3739 | case LT_KERNEL: | ||
3740 | lt = LT_INITRD; | ||
3741 | break; | ||
3742 | case LT_KERNEL_EFI: | ||
3743 | lt = LT_INITRD_EFI; | ||
3744 | break; | ||
3745 | case LT_KERNEL_16: | ||
3746 | lt = LT_INITRD_16; | ||
3747 | break; | ||
3748 | default: | ||
3749 | lt = preferredLineType(LT_INITRD, cfg->cfi); | ||
3750 | } | ||
3751 | line = addLine(entry, cfg->cfi, lt, kernelLine->indent, initrd); | ||
3752 | if (!line) | ||
3753 | return 1; | ||
3754 | if (endLine) { | ||
3755 | line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL); | ||
3756 | if (!line) | ||
3757 | return 1; | ||
3758 | } | ||
3759 | |||
3760 | niro | 2683 | break; |
3761 | } | ||
3762 | niro | 1696 | |
3763 | niro | 3002 | return 0; |
3764 | niro | 1156 | } |
3765 | |||
3766 | niro | 3002 | int checkDeviceBootloader(const char *device, const unsigned char *boot) |
3767 | { | ||
3768 | int fd; | ||
3769 | unsigned char bootSect[512]; | ||
3770 | int offset; | ||
3771 | niro | 532 | |
3772 | niro | 3002 | fd = open(device, O_RDONLY); |
3773 | if (fd < 0) { | ||
3774 | fprintf(stderr, _("grubby: unable to open %s: %s\n"), | ||
3775 | device, strerror(errno)); | ||
3776 | return 1; | ||
3777 | } | ||
3778 | niro | 532 | |
3779 | niro | 3002 | if (read(fd, bootSect, 512) != 512) { |
3780 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
3781 | device, strerror(errno)); | ||
3782 | return 1; | ||
3783 | } | ||
3784 | close(fd); | ||
3785 | niro | 532 | |
3786 | niro | 3002 | /* first three bytes should match, a jmp short should be in there */ |
3787 | if (memcmp(boot, bootSect, 3)) | ||
3788 | return 0; | ||
3789 | niro | 532 | |
3790 | niro | 3002 | if (boot[1] == JMP_SHORT_OPCODE) { |
3791 | offset = boot[2] + 2; | ||
3792 | } else if (boot[1] == 0xe8 || boot[1] == 0xe9) { | ||
3793 | offset = (boot[3] << 8) + boot[2] + 2; | ||
3794 | } else if (boot[0] == JMP_SHORT_OPCODE) { | ||
3795 | offset = boot[1] + 2; | ||
3796 | /* | ||
3797 | * it looks like grub, when copying stage1 into the mbr, | ||
3798 | * patches stage1 right after the JMP location, replacing | ||
3799 | * other instructions such as JMPs for NOOPs. So, relax the | ||
3800 | * check a little bit by skipping those different bytes. | ||
3801 | */ | ||
3802 | if ((bootSect[offset + 1] == NOOP_OPCODE) | ||
3803 | && (bootSect[offset + 2] == NOOP_OPCODE)) { | ||
3804 | offset = offset + 3; | ||
3805 | } | ||
3806 | } else if (boot[0] == 0xe8 || boot[0] == 0xe9) { | ||
3807 | offset = (boot[2] << 8) + boot[1] + 2; | ||
3808 | } else { | ||
3809 | return 0; | ||
3810 | } | ||
3811 | niro | 532 | |
3812 | niro | 3002 | if (memcmp(boot + offset, bootSect + offset, CODE_SEG_SIZE)) |
3813 | return 0; | ||
3814 | niro | 532 | |
3815 | niro | 3002 | return 2; |
3816 | niro | 532 | } |
3817 | |||
3818 | niro | 3002 | int checkLiloOnRaid(char *mdDev, const unsigned char *boot) |
3819 | { | ||
3820 | int fd; | ||
3821 | char buf[65536]; | ||
3822 | char *end; | ||
3823 | char *chptr; | ||
3824 | char *chptr2; | ||
3825 | int rc; | ||
3826 | niro | 532 | |
3827 | niro | 3002 | /* it's on raid; we need to parse /proc/mdstat and check all of the |
3828 | *raw* devices listed in there */ | ||
3829 | niro | 532 | |
3830 | niro | 3002 | if (!strncmp(mdDev, "/dev/", 5)) |
3831 | mdDev += 5; | ||
3832 | niro | 532 | |
3833 | niro | 3002 | if ((fd = open("/proc/mdstat", O_RDONLY)) < 0) { |
3834 | fprintf(stderr, _("grubby: failed to open /proc/mdstat: %s\n"), | ||
3835 | strerror(errno)); | ||
3836 | return 2; | ||
3837 | } | ||
3838 | niro | 532 | |
3839 | niro | 3002 | rc = read(fd, buf, sizeof(buf) - 1); |
3840 | if (rc < 0 || rc == (sizeof(buf) - 1)) { | ||
3841 | fprintf(stderr, _("grubby: failed to read /proc/mdstat: %s\n"), | ||
3842 | strerror(errno)); | ||
3843 | close(fd); | ||
3844 | return 2; | ||
3845 | } | ||
3846 | niro | 532 | close(fd); |
3847 | niro | 3002 | buf[rc] = '\0'; |
3848 | niro | 532 | |
3849 | niro | 3002 | chptr = buf; |
3850 | while (*chptr) { | ||
3851 | end = strchr(chptr, '\n'); | ||
3852 | if (!end) | ||
3853 | break; | ||
3854 | *end = '\0'; | ||
3855 | niro | 532 | |
3856 | niro | 3002 | if (!strncmp(chptr, mdDev, strlen(mdDev)) && |
3857 | chptr[strlen(mdDev)] == ' ') { | ||
3858 | niro | 532 | |
3859 | niro | 3002 | /* found the device */ |
3860 | while (*chptr && *chptr != ':') | ||
3861 | chptr++; | ||
3862 | chptr++; | ||
3863 | while (*chptr && isspace(*chptr)) | ||
3864 | chptr++; | ||
3865 | niro | 532 | |
3866 | niro | 3002 | /* skip the "active" bit */ |
3867 | while (*chptr && !isspace(*chptr)) | ||
3868 | chptr++; | ||
3869 | while (*chptr && isspace(*chptr)) | ||
3870 | chptr++; | ||
3871 | niro | 532 | |
3872 | niro | 3002 | /* skip the raid level */ |
3873 | while (*chptr && !isspace(*chptr)) | ||
3874 | chptr++; | ||
3875 | while (*chptr && isspace(*chptr)) | ||
3876 | chptr++; | ||
3877 | niro | 532 | |
3878 | niro | 3002 | /* everything else is partition stuff */ |
3879 | while (*chptr) { | ||
3880 | chptr2 = chptr; | ||
3881 | while (*chptr2 && *chptr2 != '[') | ||
3882 | chptr2++; | ||
3883 | if (!*chptr2) | ||
3884 | break; | ||
3885 | niro | 532 | |
3886 | niro | 3002 | /* yank off the numbers at the end */ |
3887 | chptr2--; | ||
3888 | while (isdigit(*chptr2) && chptr2 > chptr) | ||
3889 | chptr2--; | ||
3890 | chptr2++; | ||
3891 | *chptr2 = '\0'; | ||
3892 | niro | 532 | |
3893 | niro | 3002 | /* Better, now we need the /dev/ back. We're |
3894 | * done with everything before this point, so | ||
3895 | * we can just put the /dev/ part there. | ||
3896 | * There will always be room. */ | ||
3897 | memcpy(chptr - 5, "/dev/", 5); | ||
3898 | rc = checkDeviceBootloader(chptr - 5, boot); | ||
3899 | if (rc != 2) { | ||
3900 | return rc; | ||
3901 | } | ||
3902 | |||
3903 | chptr = chptr2 + 1; | ||
3904 | /* skip the [11] bit */ | ||
3905 | while (*chptr && !isspace(*chptr)) | ||
3906 | chptr++; | ||
3907 | /* and move to the next one */ | ||
3908 | while (*chptr && isspace(*chptr)) | ||
3909 | chptr++; | ||
3910 | } | ||
3911 | |||
3912 | /* we're good to go */ | ||
3913 | return 2; | ||
3914 | niro | 532 | } |
3915 | |||
3916 | niro | 3002 | chptr = end + 1; |
3917 | niro | 532 | } |
3918 | |||
3919 | niro | 3002 | fprintf(stderr, |
3920 | _("grubby: raid device /dev/%s not found in /proc/mdstat\n"), | ||
3921 | mdDev); | ||
3922 | return 0; | ||
3923 | niro | 532 | } |
3924 | |||
3925 | niro | 3002 | int checkForLilo(struct grubConfig *config) |
3926 | { | ||
3927 | int fd; | ||
3928 | unsigned char boot[512]; | ||
3929 | struct singleLine *line; | ||
3930 | niro | 532 | |
3931 | niro | 3002 | for (line = config->theLines; line; line = line->next) |
3932 | if (line->type == LT_BOOT) | ||
3933 | break; | ||
3934 | niro | 532 | |
3935 | niro | 3002 | if (!line) { |
3936 | fprintf(stderr, | ||
3937 | _ | ||
3938 | ("grubby: no boot line found in lilo configuration\n")); | ||
3939 | return 1; | ||
3940 | } | ||
3941 | niro | 532 | |
3942 | niro | 3002 | if (line->numElements != 2) |
3943 | return 1; | ||
3944 | niro | 532 | |
3945 | niro | 3002 | fd = open("/boot/boot.b", O_RDONLY); |
3946 | if (fd < 0) { | ||
3947 | fprintf(stderr, _("grubby: unable to open %s: %s\n"), | ||
3948 | "/boot/boot.b", strerror(errno)); | ||
3949 | return 1; | ||
3950 | } | ||
3951 | niro | 532 | |
3952 | niro | 3002 | if (read(fd, boot, 512) != 512) { |
3953 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
3954 | "/boot/boot.b", strerror(errno)); | ||
3955 | return 1; | ||
3956 | } | ||
3957 | close(fd); | ||
3958 | niro | 532 | |
3959 | niro | 3002 | if (!strncmp("/dev/md", line->elements[1].item, 7)) |
3960 | return checkLiloOnRaid(line->elements[1].item, boot); | ||
3961 | niro | 532 | |
3962 | niro | 3002 | return checkDeviceBootloader(line->elements[1].item, boot); |
3963 | niro | 532 | } |
3964 | |||
3965 | niro | 3002 | int checkForGrub2(struct grubConfig *config) |
3966 | { | ||
3967 | if (!access("/etc/grub.d/", R_OK)) | ||
3968 | return 2; | ||
3969 | niro | 1696 | |
3970 | niro | 3002 | return 1; |
3971 | niro | 1696 | } |
3972 | |||
3973 | niro | 3002 | int checkForGrub(struct grubConfig *config) |
3974 | { | ||
3975 | int fd; | ||
3976 | unsigned char bootSect[512]; | ||
3977 | char *boot; | ||
3978 | int onSuse = isSuseSystem(); | ||
3979 | niro | 532 | |
3980 | niro | 3002 | if (onSuse) { |
3981 | if (parseSuseGrubConf(NULL, &boot)) | ||
3982 | return 0; | ||
3983 | } else { | ||
3984 | if (parseSysconfigGrub(NULL, &boot)) | ||
3985 | return 0; | ||
3986 | } | ||
3987 | niro | 1851 | |
3988 | niro | 3002 | /* assume grub is not installed -- not an error condition */ |
3989 | if (!boot) | ||
3990 | return 0; | ||
3991 | niro | 532 | |
3992 | niro | 3002 | fd = open("/boot/grub/stage1", O_RDONLY); |
3993 | if (fd < 0) | ||
3994 | /* this doesn't exist if grub hasn't been installed */ | ||
3995 | return 0; | ||
3996 | niro | 532 | |
3997 | niro | 3002 | if (read(fd, bootSect, 512) != 512) { |
3998 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
3999 | "/boot/grub/stage1", strerror(errno)); | ||
4000 | close(fd); | ||
4001 | return 1; | ||
4002 | } | ||
4003 | close(fd); | ||
4004 | niro | 532 | |
4005 | niro | 3002 | /* The more elaborate checks do not work on SuSE. The checks done |
4006 | * seem to be reasonble (at least for now), so just return success | ||
4007 | */ | ||
4008 | if (onSuse) | ||
4009 | return 2; | ||
4010 | niro | 532 | |
4011 | niro | 3002 | return checkDeviceBootloader(boot, bootSect); |
4012 | niro | 532 | } |
4013 | |||
4014 | niro | 3002 | int checkForExtLinux(struct grubConfig *config) |
4015 | { | ||
4016 | int fd; | ||
4017 | unsigned char bootSect[512]; | ||
4018 | char *boot; | ||
4019 | char executable[] = "/boot/extlinux/extlinux"; | ||
4020 | niro | 914 | |
4021 | niro | 3002 | printf("entered: checkForExtLinux()\n"); |
4022 | niro | 914 | |
4023 | niro | 3002 | if (parseSysconfigGrub(NULL, &boot)) |
4024 | return 0; | ||
4025 | niro | 914 | |
4026 | niro | 3002 | /* assume grub is not installed -- not an error condition */ |
4027 | if (!boot) | ||
4028 | return 0; | ||
4029 | niro | 914 | |
4030 | niro | 3002 | fd = open(executable, O_RDONLY); |
4031 | if (fd < 0) | ||
4032 | /* this doesn't exist if grub hasn't been installed */ | ||
4033 | return 0; | ||
4034 | niro | 914 | |
4035 | niro | 3002 | if (read(fd, bootSect, 512) != 512) { |
4036 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
4037 | executable, strerror(errno)); | ||
4038 | return 1; | ||
4039 | } | ||
4040 | close(fd); | ||
4041 | niro | 914 | |
4042 | niro | 3002 | return checkDeviceBootloader(boot, bootSect); |
4043 | niro | 914 | } |
4044 | |||
4045 | niro | 3002 | int checkForYaboot(struct grubConfig *config) |
4046 | { | ||
4047 | /* | ||
4048 | * This is a simplistic check that we consider good enough for own puporses | ||
4049 | * | ||
4050 | * If we were to properly check if yaboot is *installed* we'd need to: | ||
4051 | * 1) get the system boot device (LT_BOOT) | ||
4052 | * 2) considering it's a raw filesystem, check if the yaboot binary matches | ||
4053 | * the content on the boot device | ||
4054 | * 3) if not, copy the binary to a temporary file and run "addnote" on it | ||
4055 | * 4) check again if binary and boot device contents match | ||
4056 | */ | ||
4057 | if (!access("/etc/yaboot.conf", R_OK)) | ||
4058 | return 2; | ||
4059 | niro | 1853 | |
4060 | niro | 3002 | return 1; |
4061 | niro | 1853 | } |
4062 | |||
4063 | niro | 3002 | int checkForElilo(struct grubConfig *config) |
4064 | { | ||
4065 | if (!access("/etc/elilo.conf", R_OK)) | ||
4066 | return 2; | ||
4067 | niro | 1854 | |
4068 | niro | 3002 | return 1; |
4069 | niro | 1854 | } |
4070 | |||
4071 | niro | 3002 | static char *getRootSpecifier(char *str) |
4072 | { | ||
4073 | char *idx, *rootspec = NULL; | ||
4074 | niro | 532 | |
4075 | niro | 3002 | if (*str == '(') { |
4076 | idx = rootspec = strdup(str); | ||
4077 | while (*idx && (*idx != ')') && (!isspace(*idx))) | ||
4078 | idx++; | ||
4079 | *(++idx) = '\0'; | ||
4080 | } | ||
4081 | return rootspec; | ||
4082 | niro | 532 | } |
4083 | |||
4084 | niro | 3002 | static char *getInitrdVal(struct grubConfig *config, |
4085 | const char *prefix, struct singleLine *tmplLine, | ||
4086 | const char *newKernelInitrd, | ||
4087 | const char **extraInitrds, int extraInitrdCount) | ||
4088 | niro | 914 | { |
4089 | niro | 3002 | char *initrdVal, *end; |
4090 | int i; | ||
4091 | size_t totalSize; | ||
4092 | size_t prefixLen; | ||
4093 | char separatorChar; | ||
4094 | niro | 914 | |
4095 | niro | 3002 | prefixLen = strlen(prefix); |
4096 | totalSize = strlen(newKernelInitrd) - prefixLen + 1 /* \0 */ ; | ||
4097 | niro | 914 | |
4098 | niro | 3002 | for (i = 0; i < extraInitrdCount; i++) { |
4099 | totalSize += sizeof(separatorChar); | ||
4100 | totalSize += strlen(extraInitrds[i]) - prefixLen; | ||
4101 | } | ||
4102 | niro | 914 | |
4103 | niro | 3002 | initrdVal = end = malloc(totalSize); |
4104 | niro | 914 | |
4105 | niro | 3002 | end = stpcpy(end, newKernelInitrd + prefixLen); |
4106 | niro | 914 | |
4107 | niro | 3002 | separatorChar = getKeywordByType(LT_INITRD, config->cfi)->separatorChar; |
4108 | for (i = 0; i < extraInitrdCount; i++) { | ||
4109 | const char *extraInitrd; | ||
4110 | int j; | ||
4111 | niro | 914 | |
4112 | niro | 3002 | extraInitrd = extraInitrds[i] + prefixLen; |
4113 | /* Don't add entries that are already there */ | ||
4114 | if (tmplLine != NULL) { | ||
4115 | for (j = 2; j < tmplLine->numElements; j++) | ||
4116 | if (strcmp | ||
4117 | (extraInitrd, | ||
4118 | tmplLine->elements[j].item) == 0) | ||
4119 | break; | ||
4120 | niro | 914 | |
4121 | niro | 3002 | if (j != tmplLine->numElements) |
4122 | continue; | ||
4123 | } | ||
4124 | |||
4125 | *end++ = separatorChar; | ||
4126 | end = stpcpy(end, extraInitrd); | ||
4127 | niro | 914 | } |
4128 | |||
4129 | niro | 3002 | return initrdVal; |
4130 | niro | 914 | } |
4131 | |||
4132 | niro | 3002 | int addNewKernel(struct grubConfig *config, struct singleEntry *template, |
4133 | const char *prefix, | ||
4134 | const char *newKernelPath, const char *newKernelTitle, | ||
4135 | const char *newKernelArgs, const char *newKernelInitrd, | ||
4136 | const char **extraInitrds, int extraInitrdCount, | ||
4137 | const char *newMBKernel, const char *newMBKernelArgs, | ||
4138 | const char *newDevTreePath) | ||
4139 | { | ||
4140 | struct singleEntry *new; | ||
4141 | struct singleLine *newLine = NULL, *tmplLine = NULL, *masterLine = NULL; | ||
4142 | int needs; | ||
4143 | char *chptr; | ||
4144 | niro | 532 | |
4145 | niro | 3002 | if (!newKernelPath) |
4146 | return 0; | ||
4147 | niro | 532 | |
4148 | niro | 3002 | /* if the newKernelTitle is too long silently munge it into something |
4149 | * we can live with. truncating is first check, then we'll just mess with | ||
4150 | * it until it looks better */ | ||
4151 | if (config->cfi->maxTitleLength && | ||
4152 | niro | 532 | (strlen(newKernelTitle) > config->cfi->maxTitleLength)) { |
4153 | niro | 3002 | char *buf = alloca(config->cfi->maxTitleLength + 7); |
4154 | char *numBuf = alloca(config->cfi->maxTitleLength + 1); | ||
4155 | int i = 1; | ||
4156 | niro | 532 | |
4157 | niro | 3002 | sprintf(buf, "TITLE=%.*s", config->cfi->maxTitleLength, |
4158 | newKernelTitle); | ||
4159 | while (findEntryByPath(config, buf, NULL, NULL)) { | ||
4160 | sprintf(numBuf, "%d", i++); | ||
4161 | strcpy(buf + strlen(buf) - strlen(numBuf), numBuf); | ||
4162 | } | ||
4163 | |||
4164 | newKernelTitle = buf + 6; | ||
4165 | niro | 532 | } |
4166 | |||
4167 | niro | 3002 | new = malloc(sizeof(*new)); |
4168 | new->skip = 0; | ||
4169 | new->multiboot = 0; | ||
4170 | new->next = config->entries; | ||
4171 | new->lines = NULL; | ||
4172 | config->entries = new; | ||
4173 | niro | 532 | |
4174 | niro | 3002 | /* copy/update from the template */ |
4175 | needs = NEED_KERNEL | NEED_TITLE; | ||
4176 | if (newKernelInitrd) | ||
4177 | needs |= NEED_INITRD; | ||
4178 | if (newMBKernel) { | ||
4179 | needs |= NEED_MB; | ||
4180 | new->multiboot = 1; | ||
4181 | } | ||
4182 | if (newDevTreePath && getKeywordByType(LT_DEVTREE, config->cfi)) | ||
4183 | needs |= NEED_DEVTREE; | ||
4184 | niro | 532 | |
4185 | niro | 3002 | if (template) { |
4186 | for (masterLine = template->lines; | ||
4187 | masterLine && (tmplLine = lineDup(masterLine)); | ||
4188 | lineFree(tmplLine), masterLine = masterLine->next) { | ||
4189 | dbgPrintf("addNewKernel processing %d\n", | ||
4190 | tmplLine->type); | ||
4191 | niro | 532 | |
4192 | niro | 3002 | /* skip comments */ |
4193 | chptr = tmplLine->indent; | ||
4194 | while (*chptr && isspace(*chptr)) | ||
4195 | chptr++; | ||
4196 | if (*chptr == '#') | ||
4197 | continue; | ||
4198 | niro | 532 | |
4199 | niro | 3002 | if (iskernel(tmplLine->type) |
4200 | && tmplLine->numElements >= 2) { | ||
4201 | if (!template->multiboot && (needs & NEED_MB)) { | ||
4202 | /* it's not a multiboot template and | ||
4203 | * this is the kernel line. Try to | ||
4204 | * be intelligent about inserting the | ||
4205 | * hypervisor at the same time. | ||
4206 | */ | ||
4207 | if (config->cfi->mbHyperFirst) { | ||
4208 | /* insert the hypervisor first */ | ||
4209 | newLine = | ||
4210 | addLine(new, config->cfi, | ||
4211 | LT_HYPER, | ||
4212 | tmplLine->indent, | ||
4213 | newMBKernel + | ||
4214 | strlen(prefix)); | ||
4215 | /* set up for adding the | ||
4216 | * kernel line */ | ||
4217 | free(tmplLine->indent); | ||
4218 | tmplLine->indent = | ||
4219 | strdup(config-> | ||
4220 | secondaryIndent); | ||
4221 | needs &= ~NEED_MB; | ||
4222 | } | ||
4223 | if (needs & NEED_KERNEL) { | ||
4224 | /* use addLineTmpl to | ||
4225 | * preserve line elements, | ||
4226 | * otherwise we could just | ||
4227 | * call addLine. | ||
4228 | * Unfortunately this means | ||
4229 | * making some changes to the | ||
4230 | * template such as the | ||
4231 | * indent change above and | ||
4232 | * the type change below. | ||
4233 | */ | ||
4234 | struct keywordTypes *mbm_kw = | ||
4235 | getKeywordByType | ||
4236 | (LT_MBMODULE, config->cfi); | ||
4237 | if (mbm_kw) { | ||
4238 | tmplLine->type = | ||
4239 | LT_MBMODULE; | ||
4240 | free(tmplLine-> | ||
4241 | elements[0].item); | ||
4242 | tmplLine->elements[0]. | ||
4243 | item = | ||
4244 | strdup(mbm_kw->key); | ||
4245 | } | ||
4246 | newLine = | ||
4247 | addLineTmpl(new, tmplLine, | ||
4248 | newLine, | ||
4249 | newKernelPath + | ||
4250 | strlen(prefix), | ||
4251 | config->cfi); | ||
4252 | needs &= ~NEED_KERNEL; | ||
4253 | } | ||
4254 | if (needs & NEED_MB) { /* !mbHyperFirst */ | ||
4255 | newLine = | ||
4256 | addLine(new, config->cfi, | ||
4257 | LT_HYPER, | ||
4258 | config-> | ||
4259 | secondaryIndent, | ||
4260 | newMBKernel + | ||
4261 | strlen(prefix)); | ||
4262 | needs &= ~NEED_MB; | ||
4263 | } | ||
4264 | } else if (needs & NEED_KERNEL) { | ||
4265 | newLine = | ||
4266 | addLineTmpl(new, tmplLine, newLine, | ||
4267 | newKernelPath + | ||
4268 | strlen(prefix), | ||
4269 | config->cfi); | ||
4270 | needs &= ~NEED_KERNEL; | ||
4271 | } | ||
4272 | niro | 532 | |
4273 | niro | 3002 | } else if (tmplLine->type == LT_HYPER && |
4274 | tmplLine->numElements >= 2) { | ||
4275 | if (needs & NEED_MB) { | ||
4276 | newLine = | ||
4277 | addLineTmpl(new, tmplLine, newLine, | ||
4278 | newMBKernel + | ||
4279 | strlen(prefix), | ||
4280 | config->cfi); | ||
4281 | needs &= ~NEED_MB; | ||
4282 | } | ||
4283 | niro | 532 | |
4284 | niro | 3002 | } else if (tmplLine->type == LT_MBMODULE && |
4285 | tmplLine->numElements >= 2) { | ||
4286 | if (new->multiboot) { | ||
4287 | if (needs & NEED_KERNEL) { | ||
4288 | newLine = | ||
4289 | addLineTmpl(new, tmplLine, | ||
4290 | newLine, | ||
4291 | newKernelPath + | ||
4292 | strlen(prefix), | ||
4293 | config->cfi); | ||
4294 | needs &= ~NEED_KERNEL; | ||
4295 | } else if (config->cfi->mbInitRdIsModule | ||
4296 | && (needs & NEED_INITRD)) { | ||
4297 | char *initrdVal; | ||
4298 | initrdVal = | ||
4299 | getInitrdVal(config, prefix, | ||
4300 | tmplLine, | ||
4301 | newKernelInitrd, | ||
4302 | extraInitrds, | ||
4303 | extraInitrdCount); | ||
4304 | newLine = | ||
4305 | addLineTmpl(new, tmplLine, | ||
4306 | newLine, | ||
4307 | initrdVal, | ||
4308 | config->cfi); | ||
4309 | free(initrdVal); | ||
4310 | needs &= ~NEED_INITRD; | ||
4311 | } | ||
4312 | } else if (needs & NEED_KERNEL) { | ||
4313 | /* template is multi but new is not, | ||
4314 | * insert the kernel in the first | ||
4315 | * module slot | ||
4316 | */ | ||
4317 | tmplLine->type = | ||
4318 | preferredLineType(LT_KERNEL, | ||
4319 | config->cfi); | ||
4320 | free(tmplLine->elements[0].item); | ||
4321 | tmplLine->elements[0].item = | ||
4322 | strdup(getKeywordByType | ||
4323 | (tmplLine->type, | ||
4324 | config->cfi)->key); | ||
4325 | newLine = | ||
4326 | addLineTmpl(new, tmplLine, newLine, | ||
4327 | newKernelPath + | ||
4328 | strlen(prefix), | ||
4329 | config->cfi); | ||
4330 | needs &= ~NEED_KERNEL; | ||
4331 | } else if (needs & NEED_INITRD) { | ||
4332 | char *initrdVal; | ||
4333 | /* template is multi but new is not, | ||
4334 | * insert the initrd in the second | ||
4335 | * module slot | ||
4336 | */ | ||
4337 | tmplLine->type = | ||
4338 | preferredLineType(LT_INITRD, | ||
4339 | config->cfi); | ||
4340 | free(tmplLine->elements[0].item); | ||
4341 | tmplLine->elements[0].item = | ||
4342 | strdup(getKeywordByType | ||
4343 | (tmplLine->type, | ||
4344 | config->cfi)->key); | ||
4345 | initrdVal = | ||
4346 | getInitrdVal(config, prefix, | ||
4347 | tmplLine, | ||
4348 | newKernelInitrd, | ||
4349 | extraInitrds, | ||
4350 | extraInitrdCount); | ||
4351 | newLine = | ||
4352 | addLineTmpl(new, tmplLine, newLine, | ||
4353 | initrdVal, config->cfi); | ||
4354 | free(initrdVal); | ||
4355 | needs &= ~NEED_INITRD; | ||
4356 | } | ||
4357 | niro | 532 | |
4358 | niro | 3002 | } else if (isinitrd(tmplLine->type) |
4359 | && tmplLine->numElements >= 2) { | ||
4360 | if (needs & NEED_INITRD && new->multiboot | ||
4361 | && !template->multiboot | ||
4362 | && config->cfi->mbInitRdIsModule) { | ||
4363 | /* make sure we don't insert the | ||
4364 | * module initrd before the module | ||
4365 | * kernel... if we don't do it here, | ||
4366 | * it will be inserted following the | ||
4367 | * template. | ||
4368 | */ | ||
4369 | if (!needs & NEED_KERNEL) { | ||
4370 | char *initrdVal; | ||
4371 | niro | 532 | |
4372 | niro | 3002 | initrdVal = |
4373 | getInitrdVal(config, prefix, | ||
4374 | tmplLine, | ||
4375 | newKernelInitrd, | ||
4376 | extraInitrds, | ||
4377 | extraInitrdCount); | ||
4378 | newLine = | ||
4379 | addLine(new, config->cfi, | ||
4380 | LT_MBMODULE, | ||
4381 | config-> | ||
4382 | secondaryIndent, | ||
4383 | initrdVal); | ||
4384 | free(initrdVal); | ||
4385 | needs &= ~NEED_INITRD; | ||
4386 | } | ||
4387 | } else if (needs & NEED_INITRD) { | ||
4388 | char *initrdVal; | ||
4389 | initrdVal = | ||
4390 | getInitrdVal(config, prefix, | ||
4391 | tmplLine, | ||
4392 | newKernelInitrd, | ||
4393 | extraInitrds, | ||
4394 | extraInitrdCount); | ||
4395 | newLine = | ||
4396 | addLineTmpl(new, tmplLine, newLine, | ||
4397 | initrdVal, config->cfi); | ||
4398 | free(initrdVal); | ||
4399 | needs &= ~NEED_INITRD; | ||
4400 | } | ||
4401 | niro | 532 | |
4402 | niro | 3002 | } else if (tmplLine->type == LT_MENUENTRY && |
4403 | (needs & NEED_TITLE)) { | ||
4404 | requote(tmplLine, config->cfi); | ||
4405 | char *nkt = malloc(strlen(newKernelTitle) + 3); | ||
4406 | strcpy(nkt, "'"); | ||
4407 | strcat(nkt, newKernelTitle); | ||
4408 | strcat(nkt, "'"); | ||
4409 | newLine = | ||
4410 | addLineTmpl(new, tmplLine, newLine, nkt, | ||
4411 | config->cfi); | ||
4412 | free(nkt); | ||
4413 | needs &= ~NEED_TITLE; | ||
4414 | } else if (tmplLine->type == LT_TITLE && | ||
4415 | (needs & NEED_TITLE)) { | ||
4416 | if (tmplLine->numElements >= 2) { | ||
4417 | newLine = | ||
4418 | addLineTmpl(new, tmplLine, newLine, | ||
4419 | newKernelTitle, | ||
4420 | config->cfi); | ||
4421 | needs &= ~NEED_TITLE; | ||
4422 | } else if (tmplLine->numElements == 1 && | ||
4423 | config->cfi->titleBracketed) { | ||
4424 | /* addLineTmpl doesn't handle | ||
4425 | * titleBracketed */ | ||
4426 | newLine = | ||
4427 | addLine(new, config->cfi, LT_TITLE, | ||
4428 | tmplLine->indent, | ||
4429 | newKernelTitle); | ||
4430 | needs &= ~NEED_TITLE; | ||
4431 | } | ||
4432 | } else if (tmplLine->type == LT_ECHO) { | ||
4433 | requote(tmplLine, config->cfi); | ||
4434 | static const char *prefix = "'Loading "; | ||
4435 | if (tmplLine->numElements > 1 && | ||
4436 | strstr(tmplLine->elements[1].item, prefix) | ||
4437 | && masterLine->next | ||
4438 | && iskernel(masterLine->next->type)) { | ||
4439 | char *newTitle = | ||
4440 | malloc(strlen(prefix) + | ||
4441 | strlen(newKernelTitle) + 2); | ||
4442 | niro | 532 | |
4443 | niro | 3002 | strcpy(newTitle, prefix); |
4444 | strcat(newTitle, newKernelTitle); | ||
4445 | strcat(newTitle, "'"); | ||
4446 | newLine = | ||
4447 | addLine(new, config->cfi, LT_ECHO, | ||
4448 | tmplLine->indent, newTitle); | ||
4449 | free(newTitle); | ||
4450 | } else { | ||
4451 | /* pass through other lines from the | ||
4452 | * template */ | ||
4453 | newLine = | ||
4454 | addLineTmpl(new, tmplLine, newLine, | ||
4455 | NULL, config->cfi); | ||
4456 | } | ||
4457 | } else if (tmplLine->type == LT_DEVTREE && | ||
4458 | tmplLine->numElements == 2 | ||
4459 | && newDevTreePath) { | ||
4460 | newLine = | ||
4461 | addLineTmpl(new, tmplLine, newLine, | ||
4462 | newDevTreePath + strlen(prefix), | ||
4463 | niro | 1696 | config->cfi); |
4464 | niro | 3002 | needs &= ~NEED_DEVTREE; |
4465 | } else if (tmplLine->type == LT_ENTRY_END | ||
4466 | && needs & NEED_DEVTREE) { | ||
4467 | const char *ndtp = newDevTreePath; | ||
4468 | if (!strncmp | ||
4469 | (newDevTreePath, prefix, strlen(prefix))) | ||
4470 | ndtp += strlen(prefix); | ||
4471 | newLine = addLine(new, config->cfi, LT_DEVTREE, | ||
4472 | config->secondaryIndent, | ||
4473 | ndtp); | ||
4474 | needs &= ~NEED_DEVTREE; | ||
4475 | newLine = | ||
4476 | addLineTmpl(new, tmplLine, newLine, NULL, | ||
4477 | config->cfi); | ||
4478 | } else { | ||
4479 | /* pass through other lines from the template */ | ||
4480 | newLine = | ||
4481 | addLineTmpl(new, tmplLine, newLine, NULL, | ||
4482 | config->cfi); | ||
4483 | } | ||
4484 | niro | 914 | } |
4485 | |||
4486 | niro | 3002 | } else { |
4487 | /* don't have a template, so start the entry with the | ||
4488 | * appropriate starting line | ||
4489 | */ | ||
4490 | switch (config->cfi->entryStart) { | ||
4491 | case LT_KERNEL: | ||
4492 | case LT_KERNEL_EFI: | ||
4493 | case LT_KERNEL_16: | ||
4494 | if (new->multiboot && config->cfi->mbHyperFirst) { | ||
4495 | /* fall through to LT_HYPER */ | ||
4496 | } else { | ||
4497 | newLine = addLine(new, config->cfi, | ||
4498 | preferredLineType(LT_KERNEL, | ||
4499 | config-> | ||
4500 | cfi), | ||
4501 | config->primaryIndent, | ||
4502 | newKernelPath + | ||
4503 | strlen(prefix)); | ||
4504 | needs &= ~NEED_KERNEL; | ||
4505 | break; | ||
4506 | } | ||
4507 | niro | 532 | |
4508 | niro | 3002 | case LT_HYPER: |
4509 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
4510 | config->primaryIndent, | ||
4511 | newMBKernel + strlen(prefix)); | ||
4512 | needs &= ~NEED_MB; | ||
4513 | break; | ||
4514 | niro | 914 | |
4515 | niro | 3002 | case LT_MENUENTRY:{ |
4516 | char *nkt = malloc(strlen(newKernelTitle) + 3); | ||
4517 | strcpy(nkt, "'"); | ||
4518 | strcat(nkt, newKernelTitle); | ||
4519 | strcat(nkt, "'"); | ||
4520 | newLine = | ||
4521 | addLine(new, config->cfi, LT_MENUENTRY, | ||
4522 | config->primaryIndent, nkt); | ||
4523 | free(nkt); | ||
4524 | needs &= ~NEED_TITLE; | ||
4525 | needs |= NEED_END; | ||
4526 | break; | ||
4527 | } | ||
4528 | case LT_TITLE: | ||
4529 | if (useextlinuxmenu != 0) { // We just need useextlinuxmenu to not be zero (set above) | ||
4530 | char *templabel; | ||
4531 | int x = 0, y = 0; | ||
4532 | |||
4533 | templabel = strdup(newKernelTitle); | ||
4534 | while (templabel[x]) { | ||
4535 | if (templabel[x] == ' ') { | ||
4536 | y = x; | ||
4537 | while (templabel[y]) { | ||
4538 | templabel[y] = | ||
4539 | templabel[y + 1]; | ||
4540 | y++; | ||
4541 | } | ||
4542 | niro | 914 | } |
4543 | niro | 3002 | x++; |
4544 | niro | 914 | } |
4545 | niro | 3002 | newLine = addLine(new, config->cfi, LT_TITLE, |
4546 | config->primaryIndent, | ||
4547 | templabel); | ||
4548 | free(templabel); | ||
4549 | } else { | ||
4550 | newLine = addLine(new, config->cfi, LT_TITLE, | ||
4551 | config->primaryIndent, | ||
4552 | newKernelTitle); | ||
4553 | niro | 914 | } |
4554 | niro | 3002 | needs &= ~NEED_TITLE; |
4555 | break; | ||
4556 | |||
4557 | default: | ||
4558 | abort(); | ||
4559 | niro | 914 | } |
4560 | niro | 3002 | } |
4561 | niro | 914 | |
4562 | niro | 3002 | struct singleLine *endLine = NULL; |
4563 | endLine = getLineByType(LT_ENTRY_END, new->lines); | ||
4564 | if (endLine) { | ||
4565 | removeLine(new, endLine); | ||
4566 | needs |= NEED_END; | ||
4567 | niro | 532 | } |
4568 | |||
4569 | niro | 3002 | /* add the remainder of the lines, i.e. those that either |
4570 | * weren't present in the template, or in the case of no template, | ||
4571 | * all the lines following the entryStart. | ||
4572 | */ | ||
4573 | if (needs & NEED_TITLE) { | ||
4574 | newLine = addLine(new, config->cfi, LT_TITLE, | ||
4575 | config->secondaryIndent, newKernelTitle); | ||
4576 | needs &= ~NEED_TITLE; | ||
4577 | } | ||
4578 | if ((needs & NEED_MB) && config->cfi->mbHyperFirst) { | ||
4579 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
4580 | config->secondaryIndent, | ||
4581 | newMBKernel + strlen(prefix)); | ||
4582 | needs &= ~NEED_MB; | ||
4583 | } | ||
4584 | if (needs & NEED_KERNEL) { | ||
4585 | newLine = addLine(new, config->cfi, | ||
4586 | (new->multiboot | ||
4587 | && getKeywordByType(LT_MBMODULE, | ||
4588 | config->cfi)) | ||
4589 | ? LT_MBMODULE : preferredLineType(LT_KERNEL, | ||
4590 | config-> | ||
4591 | cfi), | ||
4592 | config->secondaryIndent, | ||
4593 | newKernelPath + strlen(prefix)); | ||
4594 | needs &= ~NEED_KERNEL; | ||
4595 | } | ||
4596 | if (needs & NEED_MB) { | ||
4597 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
4598 | config->secondaryIndent, | ||
4599 | newMBKernel + strlen(prefix)); | ||
4600 | needs &= ~NEED_MB; | ||
4601 | } | ||
4602 | if (needs & NEED_INITRD) { | ||
4603 | char *initrdVal; | ||
4604 | initrdVal = | ||
4605 | getInitrdVal(config, prefix, NULL, newKernelInitrd, | ||
4606 | extraInitrds, extraInitrdCount); | ||
4607 | newLine = | ||
4608 | addLine(new, config->cfi, | ||
4609 | (new->multiboot | ||
4610 | && getKeywordByType(LT_MBMODULE, config->cfi)) | ||
4611 | ? LT_MBMODULE : preferredLineType(LT_INITRD, | ||
4612 | config->cfi), | ||
4613 | config->secondaryIndent, initrdVal); | ||
4614 | free(initrdVal); | ||
4615 | needs &= ~NEED_INITRD; | ||
4616 | } | ||
4617 | if (needs & NEED_DEVTREE) { | ||
4618 | newLine = addLine(new, config->cfi, LT_DEVTREE, | ||
4619 | config->secondaryIndent, newDevTreePath); | ||
4620 | needs &= ~NEED_DEVTREE; | ||
4621 | } | ||
4622 | niro | 2709 | |
4623 | niro | 3002 | /* NEEDS_END must be last on bootloaders that need it... */ |
4624 | if (needs & NEED_END) { | ||
4625 | newLine = addLine(new, config->cfi, LT_ENTRY_END, | ||
4626 | config->secondaryIndent, NULL); | ||
4627 | needs &= ~NEED_END; | ||
4628 | } | ||
4629 | niro | 2685 | |
4630 | niro | 3002 | if (needs) { |
4631 | printf(_("grubby: needs=%d, aborting\n"), needs); | ||
4632 | abort(); | ||
4633 | } | ||
4634 | niro | 2709 | |
4635 | niro | 3002 | if (updateImage(config, "0", prefix, newKernelArgs, NULL, |
4636 | newMBKernelArgs, NULL)) | ||
4637 | return 1; | ||
4638 | niro | 914 | |
4639 | niro | 3002 | return 0; |
4640 | niro | 532 | } |
4641 | |||
4642 | niro | 3002 | int main(int argc, const char **argv) |
4643 | { | ||
4644 | poptContext optCon; | ||
4645 | const char *grubConfig = NULL; | ||
4646 | char *outputFile = NULL; | ||
4647 | int arg = 0; | ||
4648 | int flags = 0; | ||
4649 | int badImageOkay = 0; | ||
4650 | int configureGrub2 = 0; | ||
4651 | int configureLilo = 0, configureELilo = 0, configureGrub = 0; | ||
4652 | int configureYaboot = 0, configureSilo = 0, configureZipl = 0; | ||
4653 | int configureExtLinux = 0; | ||
4654 | int bootloaderProbe = 0; | ||
4655 | int extraInitrdCount = 0; | ||
4656 | char *updateKernelPath = NULL; | ||
4657 | char *newKernelPath = NULL; | ||
4658 | char *removeKernelPath = NULL; | ||
4659 | char *newKernelArgs = NULL; | ||
4660 | char *newKernelInitrd = NULL; | ||
4661 | char *newKernelTitle = NULL; | ||
4662 | char *newDevTreePath = NULL; | ||
4663 | char *newMBKernel = NULL; | ||
4664 | char *newMBKernelArgs = NULL; | ||
4665 | char *removeMBKernelArgs = NULL; | ||
4666 | char *removeMBKernel = NULL; | ||
4667 | char *bootPrefix = NULL; | ||
4668 | char *defaultKernel = NULL; | ||
4669 | char *removeArgs = NULL; | ||
4670 | char *kernelInfo = NULL; | ||
4671 | char *extraInitrds[MAX_EXTRA_INITRDS] = { NULL }; | ||
4672 | char *envPath = NULL; | ||
4673 | const char *chptr = NULL; | ||
4674 | struct configFileInfo *cfi = NULL; | ||
4675 | struct grubConfig *config; | ||
4676 | struct singleEntry *template = NULL; | ||
4677 | int copyDefault = 0, makeDefault = 0; | ||
4678 | int displayDefault = 0; | ||
4679 | int displayDefaultIndex = 0; | ||
4680 | int displayDefaultTitle = 0; | ||
4681 | int defaultIndex = -1; | ||
4682 | struct poptOption options[] = { | ||
4683 | {"add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0, | ||
4684 | _("add an entry for the specified kernel"), _("kernel-path")}, | ||
4685 | {"add-multiboot", 0, POPT_ARG_STRING, &newMBKernel, 0, | ||
4686 | _("add an entry for the specified multiboot kernel"), NULL}, | ||
4687 | {"args", 0, POPT_ARG_STRING, &newKernelArgs, 0, | ||
4688 | _("default arguments for the new kernel or new arguments for " | ||
4689 | "kernel being updated"), _("args")}, | ||
4690 | {"mbargs", 0, POPT_ARG_STRING, &newMBKernelArgs, 0, | ||
4691 | _("default arguments for the new multiboot kernel or " | ||
4692 | "new arguments for multiboot kernel being updated"), NULL}, | ||
4693 | {"bad-image-okay", 0, 0, &badImageOkay, 0, | ||
4694 | _ | ||
4695 | ("don't sanity check images in boot entries (for testing only)"), | ||
4696 | NULL}, | ||
4697 | {"boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0, | ||
4698 | _ | ||
4699 | ("filestystem which contains /boot directory (for testing only)"), | ||
4700 | _("bootfs")}, | ||
4701 | niro | 1854 | #if defined(__i386__) || defined(__x86_64__) || defined (__powerpc64__) || defined (__ia64__) |
4702 | niro | 3002 | {"bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0, |
4703 | _("check which bootloader is installed on boot sector")}, | ||
4704 | niro | 532 | #endif |
4705 | niro | 3002 | {"config-file", 'c', POPT_ARG_STRING, &grubConfig, 0, |
4706 | _("path to grub config file to update (\"-\" for stdin)"), | ||
4707 | _("path")}, | ||
4708 | {"copy-default", 0, 0, ©Default, 0, | ||
4709 | _("use the default boot entry as a template for the new entry " | ||
4710 | "being added; if the default is not a linux image, or if " | ||
4711 | "the kernel referenced by the default image does not exist, " | ||
4712 | "the first linux entry whose kernel does exist is used as the " | ||
4713 | "template"), NULL}, | ||
4714 | {"debug", 0, 0, &debug, 0, | ||
4715 | _("print debugging information for failures")}, | ||
4716 | {"default-kernel", 0, 0, &displayDefault, 0, | ||
4717 | _("display the path of the default kernel")}, | ||
4718 | {"default-index", 0, 0, &displayDefaultIndex, 0, | ||
4719 | _("display the index of the default kernel")}, | ||
4720 | {"default-title", 0, 0, &displayDefaultTitle, 0, | ||
4721 | _("display the title of the default kernel")}, | ||
4722 | {"devtree", 0, POPT_ARG_STRING, &newDevTreePath, 0, | ||
4723 | _("device tree file for new stanza"), _("dtb-path")}, | ||
4724 | {"devtreedir", 0, POPT_ARG_STRING, &newDevTreePath, 0, | ||
4725 | _("device tree directory for new stanza"), _("dtb-path")}, | ||
4726 | {"elilo", 0, POPT_ARG_NONE, &configureELilo, 0, | ||
4727 | _("configure elilo bootloader")}, | ||
4728 | {"efi", 0, POPT_ARG_NONE, &isEfi, 0, | ||
4729 | _("force grub2 stanzas to use efi")}, | ||
4730 | {"env", 0, POPT_ARG_STRING, &envPath, 0, | ||
4731 | _("path for environment data"), | ||
4732 | _("path")}, | ||
4733 | {"extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0, | ||
4734 | _("configure extlinux bootloader (from syslinux)")}, | ||
4735 | {"grub", 0, POPT_ARG_NONE, &configureGrub, 0, | ||
4736 | _("configure grub bootloader")}, | ||
4737 | {"grub2", 0, POPT_ARG_NONE, &configureGrub2, 0, | ||
4738 | _("configure grub2 bootloader")}, | ||
4739 | {"info", 0, POPT_ARG_STRING, &kernelInfo, 0, | ||
4740 | _("display boot information for specified kernel"), | ||
4741 | _("kernel-path")}, | ||
4742 | {"initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0, | ||
4743 | _("initrd image for the new kernel"), _("initrd-path")}, | ||
4744 | {"extra-initrd", 'i', POPT_ARG_STRING, NULL, 'i', | ||
4745 | _ | ||
4746 | ("auxiliary initrd image for things other than the new kernel"), | ||
4747 | _("initrd-path")}, | ||
4748 | {"lilo", 0, POPT_ARG_NONE, &configureLilo, 0, | ||
4749 | _("configure lilo bootloader")}, | ||
4750 | {"make-default", 0, 0, &makeDefault, 0, | ||
4751 | _("make the newly added entry the default boot entry"), NULL}, | ||
4752 | {"output-file", 'o', POPT_ARG_STRING, &outputFile, 0, | ||
4753 | _("path to output updated config file (\"-\" for stdout)"), | ||
4754 | _("path")}, | ||
4755 | {"remove-args", 0, POPT_ARG_STRING, &removeArgs, 0, | ||
4756 | _("remove kernel arguments"), NULL}, | ||
4757 | {"remove-mbargs", 0, POPT_ARG_STRING, &removeMBKernelArgs, 0, | ||
4758 | _("remove multiboot kernel arguments"), NULL}, | ||
4759 | {"remove-kernel", 0, POPT_ARG_STRING, &removeKernelPath, 0, | ||
4760 | _("remove all entries for the specified kernel"), | ||
4761 | _("kernel-path")}, | ||
4762 | {"remove-multiboot", 0, POPT_ARG_STRING, &removeMBKernel, 0, | ||
4763 | _("remove all entries for the specified multiboot kernel"), | ||
4764 | NULL}, | ||
4765 | {"set-default", 0, POPT_ARG_STRING, &defaultKernel, 0, | ||
4766 | _("make the first entry referencing the specified kernel " | ||
4767 | "the default"), _("kernel-path")}, | ||
4768 | {"set-default-index", 0, POPT_ARG_INT, &defaultIndex, 0, | ||
4769 | _("make the given entry index the default entry"), | ||
4770 | _("entry-index")}, | ||
4771 | {"silo", 0, POPT_ARG_NONE, &configureSilo, 0, | ||
4772 | _("configure silo bootloader")}, | ||
4773 | {"title", 0, POPT_ARG_STRING, &newKernelTitle, 0, | ||
4774 | _("title to use for the new kernel entry"), _("entry-title")}, | ||
4775 | {"update-kernel", 0, POPT_ARG_STRING, &updateKernelPath, 0, | ||
4776 | _("updated information for the specified kernel"), | ||
4777 | _("kernel-path")}, | ||
4778 | {"version", 'v', 0, NULL, 'v', | ||
4779 | _("print the version of this program and exit"), NULL}, | ||
4780 | {"yaboot", 0, POPT_ARG_NONE, &configureYaboot, 0, | ||
4781 | _("configure yaboot bootloader")}, | ||
4782 | {"zipl", 0, POPT_ARG_NONE, &configureZipl, 0, | ||
4783 | _("configure zipl bootloader")}, | ||
4784 | POPT_AUTOHELP {0, 0, 0, 0, 0} | ||
4785 | }; | ||
4786 | niro | 532 | |
4787 | niro | 3002 | useextlinuxmenu = 0; |
4788 | niro | 914 | |
4789 | niro | 3002 | int i = 0; |
4790 | for (int j = 1; j < argc; j++) | ||
4791 | i += strlen(argv[j]) + 1; | ||
4792 | saved_command_line = malloc(i); | ||
4793 | if (!saved_command_line) { | ||
4794 | fprintf(stderr, "grubby: %m\n"); | ||
4795 | exit(1); | ||
4796 | } | ||
4797 | saved_command_line[0] = '\0'; | ||
4798 | for (int j = 1; j < argc; j++) { | ||
4799 | strcat(saved_command_line, argv[j]); | ||
4800 | strncat(saved_command_line, j == argc - 1 ? "" : " ", 1); | ||
4801 | } | ||
4802 | niro | 2236 | |
4803 | niro | 3002 | optCon = poptGetContext("grubby", argc, argv, options, 0); |
4804 | poptReadDefaultConfig(optCon, 1); | ||
4805 | niro | 532 | |
4806 | niro | 3002 | while ((arg = poptGetNextOpt(optCon)) >= 0) { |
4807 | switch (arg) { | ||
4808 | case 'v': | ||
4809 | printf("grubby version %s\n", VERSION); | ||
4810 | exit(0); | ||
4811 | break; | ||
4812 | case 'i': | ||
4813 | if (extraInitrdCount < MAX_EXTRA_INITRDS) { | ||
4814 | extraInitrds[extraInitrdCount++] = | ||
4815 | strdup(poptGetOptArg(optCon)); | ||
4816 | } else { | ||
4817 | fprintf(stderr, | ||
4818 | _ | ||
4819 | ("grubby: extra initrd maximum is %d\n"), | ||
4820 | extraInitrdCount); | ||
4821 | return 1; | ||
4822 | } | ||
4823 | break; | ||
4824 | } | ||
4825 | } | ||
4826 | |||
4827 | if (arg < -1) { | ||
4828 | fprintf(stderr, _("grubby: bad argument %s: %s\n"), | ||
4829 | poptBadOption(optCon, POPT_BADOPTION_NOALIAS), | ||
4830 | poptStrerror(arg)); | ||
4831 | niro | 914 | return 1; |
4832 | niro | 532 | } |
4833 | |||
4834 | niro | 3002 | if ((chptr = poptGetArg(optCon))) { |
4835 | fprintf(stderr, _("grubby: unexpected argument %s\n"), chptr); | ||
4836 | return 1; | ||
4837 | } | ||
4838 | niro | 532 | |
4839 | niro | 3002 | if ((configureLilo + configureGrub2 + configureGrub + configureELilo + |
4840 | configureYaboot + configureSilo + configureZipl + | ||
4841 | configureExtLinux) > 1) { | ||
4842 | fprintf(stderr, | ||
4843 | _("grubby: cannot specify multiple bootloaders\n")); | ||
4844 | return 1; | ||
4845 | } else if (bootloaderProbe && grubConfig) { | ||
4846 | fprintf(stderr, | ||
4847 | _ | ||
4848 | ("grubby: cannot specify config file with --bootloader-probe\n")); | ||
4849 | return 1; | ||
4850 | } else if (configureGrub2) { | ||
4851 | cfi = &grub2ConfigType; | ||
4852 | if (envPath) | ||
4853 | cfi->envFile = envPath; | ||
4854 | } else if (configureLilo) { | ||
4855 | cfi = &liloConfigType; | ||
4856 | } else if (configureGrub) { | ||
4857 | cfi = &grubConfigType; | ||
4858 | } else if (configureELilo) { | ||
4859 | cfi = &eliloConfigType; | ||
4860 | } else if (configureYaboot) { | ||
4861 | cfi = &yabootConfigType; | ||
4862 | } else if (configureSilo) { | ||
4863 | cfi = &siloConfigType; | ||
4864 | } else if (configureZipl) { | ||
4865 | cfi = &ziplConfigType; | ||
4866 | } else if (configureExtLinux) { | ||
4867 | cfi = &extlinuxConfigType; | ||
4868 | useextlinuxmenu = 1; | ||
4869 | } | ||
4870 | niro | 532 | |
4871 | niro | 3002 | if (!cfi) { |
4872 | if (grub2FindConfig(&grub2ConfigType)) { | ||
4873 | cfi = &grub2ConfigType; | ||
4874 | if (envPath) | ||
4875 | cfi->envFile = envPath; | ||
4876 | } else | ||
4877 | #ifdef __ia64__ | ||
4878 | cfi = &eliloConfigType; | ||
4879 | #elif __powerpc__ | ||
4880 | cfi = &yabootConfigType; | ||
4881 | #elif __sparc__ | ||
4882 | cfi = &siloConfigType; | ||
4883 | #elif __s390__ | ||
4884 | cfi = &ziplConfigType; | ||
4885 | #elif __s390x__ | ||
4886 | cfi = &ziplConfigtype; | ||
4887 | #else | ||
4888 | cfi = &grubConfigType; | ||
4889 | #endif | ||
4890 | } | ||
4891 | niro | 532 | |
4892 | niro | 3002 | if (!grubConfig) { |
4893 | if (cfi->findConfig) | ||
4894 | grubConfig = cfi->findConfig(cfi); | ||
4895 | if (!grubConfig) | ||
4896 | grubConfig = cfi->defaultConfig; | ||
4897 | } | ||
4898 | niro | 532 | |
4899 | niro | 3002 | if (bootloaderProbe && (displayDefault || kernelInfo || |
4900 | newKernelPath || removeKernelPath || makeDefault | ||
4901 | || defaultKernel || displayDefaultIndex | ||
4902 | || displayDefaultTitle | ||
4903 | || (defaultIndex >= 0))) { | ||
4904 | fprintf(stderr, | ||
4905 | _("grubby: --bootloader-probe may not be used with " | ||
4906 | niro | 532 | "specified option")); |
4907 | niro | 3002 | return 1; |
4908 | } | ||
4909 | niro | 532 | |
4910 | niro | 3002 | if ((displayDefault || kernelInfo) && (newKernelPath || |
4911 | removeKernelPath)) { | ||
4912 | fprintf(stderr, _("grubby: --default-kernel and --info may not " | ||
4913 | "be used when adding or removing kernels\n")); | ||
4914 | return 1; | ||
4915 | } | ||
4916 | niro | 532 | |
4917 | niro | 3002 | if (newKernelPath && !newKernelTitle) { |
4918 | fprintf(stderr, _("grubby: kernel title must be specified\n")); | ||
4919 | return 1; | ||
4920 | } else if (!newKernelPath && (copyDefault || | ||
4921 | (newKernelInitrd && !updateKernelPath) || | ||
4922 | makeDefault || extraInitrdCount > 0)) { | ||
4923 | fprintf(stderr, _("grubby: kernel path expected\n")); | ||
4924 | return 1; | ||
4925 | } | ||
4926 | niro | 532 | |
4927 | niro | 3002 | if (newKernelPath && updateKernelPath) { |
4928 | fprintf(stderr, _("grubby: --add-kernel and --update-kernel may" | ||
4929 | "not be used together")); | ||
4930 | return 1; | ||
4931 | } | ||
4932 | niro | 532 | |
4933 | niro | 3002 | if (makeDefault && defaultKernel) { |
4934 | fprintf(stderr, _("grubby: --make-default and --default-kernel " | ||
4935 | "may not be used together\n")); | ||
4936 | return 1; | ||
4937 | } else if (defaultKernel && removeKernelPath && | ||
4938 | !strcmp(defaultKernel, removeKernelPath)) { | ||
4939 | fprintf(stderr, | ||
4940 | _("grubby: cannot make removed kernel the default\n")); | ||
4941 | return 1; | ||
4942 | } else if (defaultKernel && newKernelPath && | ||
4943 | !strcmp(defaultKernel, newKernelPath)) { | ||
4944 | makeDefault = 1; | ||
4945 | defaultKernel = NULL; | ||
4946 | } else if (defaultKernel && (defaultIndex >= 0)) { | ||
4947 | fprintf(stderr, | ||
4948 | _("grubby: --set-default and --set-default-index " | ||
4949 | niro | 532 | "may not be used together\n")); |
4950 | niro | 3002 | return 1; |
4951 | } | ||
4952 | niro | 532 | |
4953 | niro | 3002 | if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) { |
4954 | fprintf(stderr, | ||
4955 | _("grubby: output file must be specified if stdin " | ||
4956 | "is used\n")); | ||
4957 | return 1; | ||
4958 | } | ||
4959 | niro | 532 | |
4960 | niro | 3002 | if (!removeKernelPath && !newKernelPath && !displayDefault |
4961 | && !defaultKernel && !kernelInfo && !bootloaderProbe | ||
4962 | && !updateKernelPath && !removeMBKernel && !displayDefaultIndex | ||
4963 | && !displayDefaultTitle && (defaultIndex == -1)) { | ||
4964 | fprintf(stderr, _("grubby: no action specified\n")); | ||
4965 | return 1; | ||
4966 | } | ||
4967 | niro | 532 | |
4968 | niro | 3002 | flags |= badImageOkay ? GRUBBY_BADIMAGE_OKAY : 0; |
4969 | niro | 532 | |
4970 | niro | 3002 | if (cfi->needsBootPrefix) { |
4971 | if (!bootPrefix) { | ||
4972 | bootPrefix = findBootPrefix(); | ||
4973 | if (!bootPrefix) | ||
4974 | return 1; | ||
4975 | } else { | ||
4976 | /* this shouldn't end with a / */ | ||
4977 | if (bootPrefix[strlen(bootPrefix) - 1] == '/') | ||
4978 | bootPrefix[strlen(bootPrefix) - 1] = '\0'; | ||
4979 | } | ||
4980 | niro | 532 | } else { |
4981 | niro | 3002 | bootPrefix = ""; |
4982 | niro | 532 | } |
4983 | |||
4984 | niro | 3002 | if (!cfi->mbAllowExtraInitRds && extraInitrdCount > 0) { |
4985 | fprintf(stderr, | ||
4986 | _("grubby: %s doesn't allow multiple initrds\n"), | ||
4987 | cfi->defaultConfig); | ||
4988 | return 1; | ||
4989 | } | ||
4990 | niro | 914 | |
4991 | niro | 3002 | if (bootloaderProbe) { |
4992 | int lrc = 0, grc = 0, gr2c = 0, extrc = 0, yrc = 0, erc = 0; | ||
4993 | struct grubConfig *lconfig, *gconfig, *yconfig, *econfig; | ||
4994 | niro | 532 | |
4995 | niro | 3002 | const char *grub2config = grub2FindConfig(&grub2ConfigType); |
4996 | if (grub2config) { | ||
4997 | gconfig = readConfig(grub2config, &grub2ConfigType); | ||
4998 | if (!gconfig) | ||
4999 | gr2c = 1; | ||
5000 | else | ||
5001 | gr2c = checkForGrub2(gconfig); | ||
5002 | } | ||
5003 | niro | 1696 | |
5004 | niro | 3002 | const char *grubconfig = grubFindConfig(&grubConfigType); |
5005 | if (!access(grubconfig, F_OK)) { | ||
5006 | gconfig = readConfig(grubconfig, &grubConfigType); | ||
5007 | if (!gconfig) | ||
5008 | grc = 1; | ||
5009 | else | ||
5010 | grc = checkForGrub(gconfig); | ||
5011 | } | ||
5012 | niro | 532 | |
5013 | niro | 3002 | if (!access(liloConfigType.defaultConfig, F_OK)) { |
5014 | lconfig = | ||
5015 | readConfig(liloConfigType.defaultConfig, | ||
5016 | &liloConfigType); | ||
5017 | if (!lconfig) | ||
5018 | lrc = 1; | ||
5019 | else | ||
5020 | lrc = checkForLilo(lconfig); | ||
5021 | } | ||
5022 | niro | 532 | |
5023 | niro | 3002 | if (!access(eliloConfigType.defaultConfig, F_OK)) { |
5024 | econfig = readConfig(eliloConfigType.defaultConfig, | ||
5025 | &eliloConfigType); | ||
5026 | if (!econfig) | ||
5027 | erc = 1; | ||
5028 | else | ||
5029 | erc = checkForElilo(econfig); | ||
5030 | } | ||
5031 | niro | 1854 | |
5032 | niro | 3002 | if (!access(extlinuxConfigType.defaultConfig, F_OK)) { |
5033 | lconfig = | ||
5034 | readConfig(extlinuxConfigType.defaultConfig, | ||
5035 | &extlinuxConfigType); | ||
5036 | if (!lconfig) | ||
5037 | extrc = 1; | ||
5038 | else | ||
5039 | extrc = checkForExtLinux(lconfig); | ||
5040 | } | ||
5041 | niro | 914 | |
5042 | niro | 3002 | if (!access(yabootConfigType.defaultConfig, F_OK)) { |
5043 | yconfig = readConfig(yabootConfigType.defaultConfig, | ||
5044 | &yabootConfigType); | ||
5045 | if (!yconfig) | ||
5046 | yrc = 1; | ||
5047 | else | ||
5048 | yrc = checkForYaboot(yconfig); | ||
5049 | } | ||
5050 | niro | 532 | |
5051 | niro | 3002 | if (lrc == 1 || grc == 1 || gr2c == 1 || extrc == 1 || yrc == 1 |
5052 | || erc == 1) | ||
5053 | return 1; | ||
5054 | niro | 1853 | |
5055 | niro | 3002 | if (lrc == 2) |
5056 | printf("lilo\n"); | ||
5057 | if (gr2c == 2) | ||
5058 | printf("grub2\n"); | ||
5059 | if (grc == 2) | ||
5060 | printf("grub\n"); | ||
5061 | if (extrc == 2) | ||
5062 | printf("extlinux\n"); | ||
5063 | if (yrc == 2) | ||
5064 | printf("yaboot\n"); | ||
5065 | if (erc == 2) | ||
5066 | printf("elilo\n"); | ||
5067 | niro | 1853 | |
5068 | niro | 3002 | return 0; |
5069 | } | ||
5070 | niro | 532 | |
5071 | niro | 3002 | if (grubConfig == NULL) { |
5072 | printf("Could not find bootloader configuration file.\n"); | ||
5073 | exit(1); | ||
5074 | } | ||
5075 | niro | 532 | |
5076 | niro | 3002 | config = readConfig(grubConfig, cfi); |
5077 | if (!config) | ||
5078 | return 1; | ||
5079 | niro | 2246 | |
5080 | niro | 3002 | if (displayDefault) { |
5081 | struct singleLine *line; | ||
5082 | struct singleEntry *entry; | ||
5083 | char *rootspec; | ||
5084 | niro | 532 | |
5085 | niro | 3002 | if (config->defaultImage == -1) |
5086 | return 0; | ||
5087 | if (config->defaultImage == DEFAULT_SAVED_GRUB2 && | ||
5088 | cfi->defaultIsSaved) | ||
5089 | config->defaultImage = 0; | ||
5090 | entry = findEntryByIndex(config, config->defaultImage); | ||
5091 | if (!entry) | ||
5092 | return 0; | ||
5093 | if (!suitableImage(entry, bootPrefix, 0, flags)) | ||
5094 | return 0; | ||
5095 | niro | 532 | |
5096 | niro | 3002 | line = |
5097 | getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI | | ||
5098 | LT_KERNEL_16, entry->lines); | ||
5099 | if (!line) | ||
5100 | return 0; | ||
5101 | niro | 532 | |
5102 | niro | 3002 | rootspec = getRootSpecifier(line->elements[1].item); |
5103 | printf("%s%s\n", bootPrefix, line->elements[1].item + | ||
5104 | ((rootspec != NULL) ? strlen(rootspec) : 0)); | ||
5105 | niro | 532 | |
5106 | niro | 3002 | return 0; |
5107 | niro | 532 | |
5108 | niro | 3002 | } else if (displayDefaultTitle) { |
5109 | struct singleLine *line; | ||
5110 | struct singleEntry *entry; | ||
5111 | niro | 1720 | |
5112 | niro | 3002 | if (config->defaultImage == -1) |
5113 | return 0; | ||
5114 | if (config->defaultImage == DEFAULT_SAVED_GRUB2 && | ||
5115 | cfi->defaultIsSaved) | ||
5116 | config->defaultImage = 0; | ||
5117 | entry = findEntryByIndex(config, config->defaultImage); | ||
5118 | if (!entry) | ||
5119 | return 0; | ||
5120 | niro | 1721 | |
5121 | niro | 3002 | if (!configureGrub2) { |
5122 | char *title; | ||
5123 | line = getLineByType(LT_TITLE, entry->lines); | ||
5124 | if (!line) | ||
5125 | return 0; | ||
5126 | title = extractTitle(config, line); | ||
5127 | if (!title) | ||
5128 | return 0; | ||
5129 | printf("%s\n", title); | ||
5130 | free(title); | ||
5131 | } else { | ||
5132 | char *title; | ||
5133 | niro | 1721 | |
5134 | niro | 3002 | dbgPrintf |
5135 | ("This is GRUB2, default title is embeded in menuentry\n"); | ||
5136 | line = getLineByType(LT_MENUENTRY, entry->lines); | ||
5137 | if (!line) | ||
5138 | return 0; | ||
5139 | title = grub2ExtractTitle(line); | ||
5140 | if (title) | ||
5141 | printf("%s\n", title); | ||
5142 | } | ||
5143 | niro | 2992 | return 0; |
5144 | niro | 1721 | |
5145 | niro | 3002 | } else if (displayDefaultIndex) { |
5146 | if (config->defaultImage == -1) | ||
5147 | return 0; | ||
5148 | if (config->defaultImage == DEFAULT_SAVED_GRUB2 && | ||
5149 | cfi->defaultIsSaved) | ||
5150 | config->defaultImage = 0; | ||
5151 | printf("%i\n", config->defaultImage); | ||
5152 | niro | 2992 | return 0; |
5153 | niro | 1721 | |
5154 | niro | 3002 | } else if (kernelInfo) |
5155 | return displayInfo(config, kernelInfo, bootPrefix); | ||
5156 | niro | 1720 | |
5157 | niro | 3002 | if (copyDefault) { |
5158 | template = findTemplate(config, bootPrefix, NULL, 0, flags); | ||
5159 | if (!template) | ||
5160 | return 1; | ||
5161 | } | ||
5162 | niro | 532 | |
5163 | niro | 3002 | markRemovedImage(config, removeKernelPath, bootPrefix); |
5164 | markRemovedImage(config, removeMBKernel, bootPrefix); | ||
5165 | setDefaultImage(config, newKernelPath != NULL, defaultKernel, | ||
5166 | makeDefault, bootPrefix, flags, defaultIndex); | ||
5167 | setFallbackImage(config, newKernelPath != NULL); | ||
5168 | if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs, | ||
5169 | removeArgs, newMBKernelArgs, removeMBKernelArgs)) | ||
5170 | return 1; | ||
5171 | if (updateKernelPath && newKernelInitrd) { | ||
5172 | if (newMBKernel) { | ||
5173 | if (addMBInitrd(config, newMBKernel, updateKernelPath, | ||
5174 | niro | 2960 | bootPrefix, newKernelInitrd, |
5175 | newKernelTitle)) | ||
5176 | niro | 3002 | return 1; |
5177 | } else { | ||
5178 | if (updateInitrd(config, updateKernelPath, bootPrefix, | ||
5179 | newKernelInitrd, newKernelTitle)) | ||
5180 | return 1; | ||
5181 | } | ||
5182 | } | ||
5183 | if (addNewKernel(config, template, bootPrefix, newKernelPath, | ||
5184 | newKernelTitle, newKernelArgs, newKernelInitrd, | ||
5185 | (const char **)extraInitrds, extraInitrdCount, | ||
5186 | newMBKernel, newMBKernelArgs, newDevTreePath)) | ||
5187 | return 1; | ||
5188 | niro | 532 | |
5189 | niro | 3002 | if (numEntries(config) == 0) { |
5190 | fprintf(stderr, | ||
5191 | _("grubby: doing this would leave no kernel entries. " | ||
5192 | "Not writing out new config.\n")); | ||
5193 | return 1; | ||
5194 | } | ||
5195 | niro | 532 | |
5196 | niro | 3002 | if (!outputFile) |
5197 | outputFile = (char *)grubConfig; | ||
5198 | niro | 532 | |
5199 | niro | 3002 | return writeConfig(config, outputFile, bootPrefix); |
5200 | niro | 532 | } |