Annotation of /trunk/grubby/grubby.c
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Tue Jul 7 11:25:03 2020 UTC (4 years, 2 months ago) by niro
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Tue Jul 7 11:25:03 2020 UTC (4 years, 2 months ago) by niro
File MIME type: text/plain
File size: 138934 byte(s)
Print default image even if isn't a suitable one
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 | 3139 | const char *mounts = "/proc/mounts"; |
72 | |||
73 | niro | 532 | /* comments get lumped in with indention */ |
74 | struct lineElement { | ||
75 | niro | 3002 | char *item; |
76 | char *indent; | ||
77 | niro | 532 | }; |
78 | |||
79 | niro | 3002 | enum lineType_e { |
80 | niro | 3003 | LT_UNIDENTIFIED = 0, |
81 | niro | 3002 | LT_WHITESPACE = 1 << 0, |
82 | LT_TITLE = 1 << 1, | ||
83 | LT_KERNEL = 1 << 2, | ||
84 | LT_INITRD = 1 << 3, | ||
85 | LT_HYPER = 1 << 4, | ||
86 | LT_DEFAULT = 1 << 5, | ||
87 | LT_MBMODULE = 1 << 6, | ||
88 | LT_ROOT = 1 << 7, | ||
89 | LT_FALLBACK = 1 << 8, | ||
90 | LT_KERNELARGS = 1 << 9, | ||
91 | LT_BOOT = 1 << 10, | ||
92 | LT_BOOTROOT = 1 << 11, | ||
93 | LT_LBA = 1 << 12, | ||
94 | LT_OTHER = 1 << 13, | ||
95 | LT_GENERIC = 1 << 14, | ||
96 | LT_ECHO = 1 << 16, | ||
97 | LT_MENUENTRY = 1 << 17, | ||
98 | LT_ENTRY_END = 1 << 18, | ||
99 | LT_SET_VARIABLE = 1 << 19, | ||
100 | LT_KERNEL_EFI = 1 << 20, | ||
101 | LT_INITRD_EFI = 1 << 21, | ||
102 | LT_KERNEL_16 = 1 << 22, | ||
103 | LT_INITRD_16 = 1 << 23, | ||
104 | LT_DEVTREE = 1 << 24, | ||
105 | LT_UNKNOWN = 1 << 25, | ||
106 | niro | 914 | }; |
107 | niro | 532 | |
108 | struct singleLine { | ||
109 | niro | 3002 | char *indent; |
110 | int numElements; | ||
111 | struct lineElement *elements; | ||
112 | struct singleLine *next; | ||
113 | enum lineType_e type; | ||
114 | niro | 532 | }; |
115 | |||
116 | struct singleEntry { | ||
117 | niro | 3002 | struct singleLine *lines; |
118 | int skip; | ||
119 | int multiboot; | ||
120 | struct singleEntry *next; | ||
121 | niro | 532 | }; |
122 | |||
123 | #define GRUBBY_BADIMAGE_OKAY (1 << 0) | ||
124 | |||
125 | #define GRUB_CONFIG_NO_DEFAULT (1 << 0) /* don't write out default=0 */ | ||
126 | |||
127 | niro | 914 | /* These defines are (only) used in addNewKernel() */ |
128 | #define NEED_KERNEL (1 << 0) | ||
129 | #define NEED_INITRD (1 << 1) | ||
130 | #define NEED_TITLE (1 << 2) | ||
131 | #define NEED_ARGS (1 << 3) | ||
132 | #define NEED_MB (1 << 4) | ||
133 | niro | 1696 | #define NEED_END (1 << 5) |
134 | niro | 2685 | #define NEED_DEVTREE (1 << 6) |
135 | niro | 532 | |
136 | #define MAIN_DEFAULT (1 << 0) | ||
137 | niro | 3018 | #define FIRST_ENTRY_INDEX 0 /* boot entry index value begin and increment |
138 | from this initial value */ | ||
139 | #define NO_DEFAULT_ENTRY -1 /* indicates that no specific default boot | ||
140 | entry was set or currently exists */ | ||
141 | niro | 532 | #define DEFAULT_SAVED -2 |
142 | niro | 1748 | #define DEFAULT_SAVED_GRUB2 -3 |
143 | niro | 532 | |
144 | struct keywordTypes { | ||
145 | niro | 3002 | char *key; |
146 | enum lineType_e type; | ||
147 | char nextChar; | ||
148 | char separatorChar; | ||
149 | niro | 914 | }; |
150 | niro | 532 | |
151 | niro | 1696 | struct configFileInfo; |
152 | |||
153 | niro | 3002 | typedef const char *(*findConfigFunc) (struct configFileInfo *); |
154 | typedef const int (*writeLineFunc) (struct configFileInfo *, | ||
155 | struct singleLine * line); | ||
156 | typedef char *(*getEnvFunc) (struct configFileInfo *, char *name); | ||
157 | typedef int (*setEnvFunc) (struct configFileInfo *, char *name, char *value); | ||
158 | niro | 1696 | |
159 | niro | 532 | struct configFileInfo { |
160 | niro | 3002 | char *defaultConfig; |
161 | findConfigFunc findConfig; | ||
162 | writeLineFunc writeLine; | ||
163 | getEnvFunc getEnv; | ||
164 | setEnvFunc setEnv; | ||
165 | struct keywordTypes *keywords; | ||
166 | int caseInsensitive; | ||
167 | int defaultIsIndex; | ||
168 | int defaultIsVariable; | ||
169 | int defaultSupportSaved; | ||
170 | int defaultIsSaved; | ||
171 | int defaultIsUnquoted; | ||
172 | enum lineType_e entryStart; | ||
173 | enum lineType_e entryEnd; | ||
174 | int needsBootPrefix; | ||
175 | int argsInQuotes; | ||
176 | int maxTitleLength; | ||
177 | int titleBracketed; | ||
178 | int titlePosition; | ||
179 | int mbHyperFirst; | ||
180 | int mbInitRdIsModule; | ||
181 | int mbConcatArgs; | ||
182 | int mbAllowExtraInitRds; | ||
183 | char *envFile; | ||
184 | niro | 532 | }; |
185 | |||
186 | struct keywordTypes grubKeywords[] = { | ||
187 | niro | 3002 | {"title", LT_TITLE, ' '}, |
188 | {"root", LT_BOOTROOT, ' '}, | ||
189 | {"default", LT_DEFAULT, ' '}, | ||
190 | {"fallback", LT_FALLBACK, ' '}, | ||
191 | {"kernel", LT_KERNEL, ' '}, | ||
192 | {"initrd", LT_INITRD, ' ', ' '}, | ||
193 | {"module", LT_MBMODULE, ' '}, | ||
194 | {"kernel", LT_HYPER, ' '}, | ||
195 | {NULL, 0, 0}, | ||
196 | niro | 532 | }; |
197 | |||
198 | niro | 3002 | const char *grubFindConfig(struct configFileInfo *cfi) |
199 | { | ||
200 | static const char *configFiles[] = { | ||
201 | "/boot/grub/grub.conf", | ||
202 | "/boot/grub/menu.lst", | ||
203 | "/etc/grub.conf", | ||
204 | NULL | ||
205 | }; | ||
206 | static int i = -1; | ||
207 | niro | 1715 | |
208 | niro | 3002 | if (i == -1) { |
209 | for (i = 0; configFiles[i] != NULL; i++) { | ||
210 | dbgPrintf("Checking \"%s\": ", configFiles[i]); | ||
211 | if (!access(configFiles[i], R_OK)) { | ||
212 | dbgPrintf("found\n"); | ||
213 | return configFiles[i]; | ||
214 | } | ||
215 | dbgPrintf("not found\n"); | ||
216 | } | ||
217 | niro | 1715 | } |
218 | niro | 3002 | return configFiles[i]; |
219 | niro | 1715 | } |
220 | |||
221 | niro | 532 | struct configFileInfo grubConfigType = { |
222 | niro | 3002 | .findConfig = grubFindConfig, |
223 | .keywords = grubKeywords, | ||
224 | .defaultIsIndex = 1, | ||
225 | .defaultSupportSaved = 1, | ||
226 | .entryStart = LT_TITLE, | ||
227 | .needsBootPrefix = 1, | ||
228 | .mbHyperFirst = 1, | ||
229 | .mbInitRdIsModule = 1, | ||
230 | .mbAllowExtraInitRds = 1, | ||
231 | .titlePosition = 1, | ||
232 | niro | 532 | }; |
233 | |||
234 | niro | 1696 | struct keywordTypes grub2Keywords[] = { |
235 | niro | 3002 | {"menuentry", LT_MENUENTRY, ' '}, |
236 | {"}", LT_ENTRY_END, ' '}, | ||
237 | {"echo", LT_ECHO, ' '}, | ||
238 | {"set", LT_SET_VARIABLE, ' ', '='}, | ||
239 | {"root", LT_BOOTROOT, ' '}, | ||
240 | {"default", LT_DEFAULT, ' '}, | ||
241 | {"fallback", LT_FALLBACK, ' '}, | ||
242 | {"linux", LT_KERNEL, ' '}, | ||
243 | {"linuxefi", LT_KERNEL_EFI, ' '}, | ||
244 | {"linux16", LT_KERNEL_16, ' '}, | ||
245 | {"initrd", LT_INITRD, ' ', ' '}, | ||
246 | {"initrdefi", LT_INITRD_EFI, ' ', ' '}, | ||
247 | {"initrd16", LT_INITRD_16, ' ', ' '}, | ||
248 | {"module", LT_MBMODULE, ' '}, | ||
249 | {"kernel", LT_HYPER, ' '}, | ||
250 | {"devicetree", LT_DEVTREE, ' '}, | ||
251 | {NULL, 0, 0}, | ||
252 | niro | 1696 | }; |
253 | |||
254 | niro | 3002 | const char *grub2FindConfig(struct configFileInfo *cfi) |
255 | { | ||
256 | static const char *configFiles[] = { | ||
257 | "/boot/grub/grub-efi.cfg", | ||
258 | "/boot/grub/grub.cfg", | ||
259 | "/etc/grub2-efi.cfg", | ||
260 | "/etc/grub2.cfg", | ||
261 | "/boot/grub2/grub.cfg", | ||
262 | "/boot/grub2-efi/grub.cfg", | ||
263 | NULL | ||
264 | }; | ||
265 | static int i = -1; | ||
266 | static const char *grub_cfg = "/boot/grub/grub.cfg"; | ||
267 | int rc = -1; | ||
268 | niro | 1696 | |
269 | niro | 3002 | if (i == -1) { |
270 | for (i = 0; configFiles[i] != NULL; i++) { | ||
271 | dbgPrintf("Checking \"%s\": ", configFiles[i]); | ||
272 | if ((rc = access(configFiles[i], R_OK))) { | ||
273 | if (errno == EACCES) { | ||
274 | printf | ||
275 | ("Unable to access bootloader configuration file " | ||
276 | "\"%s\": %m\n", configFiles[i]); | ||
277 | exit(1); | ||
278 | } | ||
279 | continue; | ||
280 | } else { | ||
281 | dbgPrintf("found\n"); | ||
282 | return configFiles[i]; | ||
283 | } | ||
284 | niro | 2246 | } |
285 | niro | 3002 | } |
286 | |||
287 | /* Ubuntu renames grub2 to grub, so check for the grub.d directory | ||
288 | * that isn't in grub1, and if it exists, return the config file path | ||
289 | * that they use. */ | ||
290 | if (configFiles[i] == NULL && !access("/etc/grub.d/", R_OK)) { | ||
291 | niro | 1696 | dbgPrintf("found\n"); |
292 | niro | 3002 | return grub_cfg; |
293 | niro | 1696 | } |
294 | niro | 1714 | |
295 | niro | 3002 | dbgPrintf("not found\n"); |
296 | return configFiles[i]; | ||
297 | niro | 1696 | } |
298 | |||
299 | niro | 2252 | /* kind of hacky. It'll give the first 1024 bytes, ish. */ |
300 | static char *grub2GetEnv(struct configFileInfo *info, char *name) | ||
301 | { | ||
302 | niro | 3002 | static char buf[1025]; |
303 | char *s = NULL; | ||
304 | char *ret = NULL; | ||
305 | char *envFile = info->envFile ? info->envFile : "/boot/grub/grubenv"; | ||
306 | int rc = | ||
307 | asprintf(&s, "grub-editenv %s list | grep '^%s='", envFile, name); | ||
308 | niro | 2252 | |
309 | niro | 3002 | if (rc < 0) |
310 | return NULL; | ||
311 | niro | 2252 | |
312 | niro | 3002 | FILE *f = popen(s, "r"); |
313 | if (!f) | ||
314 | goto out; | ||
315 | niro | 2252 | |
316 | niro | 3002 | memset(buf, '\0', sizeof(buf)); |
317 | ret = fgets(buf, 1024, f); | ||
318 | pclose(f); | ||
319 | niro | 2252 | |
320 | niro | 3002 | if (ret) { |
321 | ret += strlen(name) + 1; | ||
322 | ret[strlen(ret) - 1] = '\0'; | ||
323 | } | ||
324 | dbgPrintf("grub2GetEnv(%s): %s\n", name, ret); | ||
325 | niro | 2252 | out: |
326 | niro | 3002 | free(s); |
327 | return ret; | ||
328 | niro | 2252 | } |
329 | |||
330 | niro | 2257 | static int sPopCount(const char *s, const char *c) |
331 | { | ||
332 | niro | 3002 | int ret = 0; |
333 | if (!s) | ||
334 | return -1; | ||
335 | for (int i = 0; s[i] != '\0'; i++) | ||
336 | for (int j = 0; c[j] != '\0'; j++) | ||
337 | if (s[i] == c[j]) | ||
338 | ret++; | ||
339 | return ret; | ||
340 | niro | 2257 | } |
341 | |||
342 | static char *shellEscape(const char *s) | ||
343 | { | ||
344 | niro | 3002 | int l = strlen(s) + sPopCount(s, "'") * 2; |
345 | niro | 2257 | |
346 | niro | 3002 | char *ret = calloc(l + 1, sizeof(*ret)); |
347 | if (!ret) | ||
348 | return NULL; | ||
349 | for (int i = 0, j = 0; s[i] != '\0'; i++, j++) { | ||
350 | if (s[i] == '\'') | ||
351 | ret[j++] = '\\'; | ||
352 | ret[j] = s[i]; | ||
353 | } | ||
354 | return ret; | ||
355 | niro | 2257 | } |
356 | |||
357 | static void unquote(char *s) | ||
358 | { | ||
359 | niro | 3002 | int l = strlen(s); |
360 | niro | 2257 | |
361 | niro | 3002 | if ((s[l - 1] == '\'' && s[0] == '\'') |
362 | || (s[l - 1] == '"' && s[0] == '"')) { | ||
363 | memmove(s, s + 1, l - 2); | ||
364 | s[l - 2] = '\0'; | ||
365 | } | ||
366 | niro | 2257 | } |
367 | |||
368 | niro | 2252 | static int grub2SetEnv(struct configFileInfo *info, char *name, char *value) |
369 | { | ||
370 | niro | 3002 | char *s = NULL; |
371 | int rc = 0; | ||
372 | char *envFile = info->envFile ? info->envFile : "/boot/grub/grubenv"; | ||
373 | niro | 2252 | |
374 | niro | 3002 | unquote(value); |
375 | value = shellEscape(value); | ||
376 | if (!value) | ||
377 | return -1; | ||
378 | niro | 2257 | |
379 | niro | 3002 | rc = asprintf(&s, "grub-editenv %s set '%s=%s'", envFile, name, value); |
380 | free(value); | ||
381 | if (rc < 0) | ||
382 | return -1; | ||
383 | niro | 2252 | |
384 | niro | 3002 | dbgPrintf("grub2SetEnv(%s): %s\n", name, s); |
385 | rc = system(s); | ||
386 | free(s); | ||
387 | return rc; | ||
388 | niro | 2252 | } |
389 | |||
390 | /* this is a gigantic hack to avoid clobbering grub2 variables... */ | ||
391 | static int is_special_grub2_variable(const char *name) | ||
392 | { | ||
393 | niro | 3002 | if (!strcmp(name, "\"${next_entry}\"")) |
394 | return 1; | ||
395 | if (!strcmp(name, "\"${prev_saved_entry}\"")) | ||
396 | return 1; | ||
397 | return 0; | ||
398 | niro | 2252 | } |
399 | |||
400 | niro | 3002 | int sizeOfSingleLine(struct singleLine *line) |
401 | { | ||
402 | int count = 0; | ||
403 | niro | 1746 | |
404 | niro | 3002 | for (int i = 0; i < line->numElements; i++) { |
405 | int indentSize = 0; | ||
406 | niro | 1746 | |
407 | niro | 3002 | count = count + strlen(line->elements[i].item); |
408 | niro | 1746 | |
409 | niro | 3002 | indentSize = strlen(line->elements[i].indent); |
410 | if (indentSize > 0) | ||
411 | count = count + indentSize; | ||
412 | else | ||
413 | /* be extra safe and add room for whitespaces */ | ||
414 | count = count + 1; | ||
415 | } | ||
416 | niro | 1746 | |
417 | niro | 3002 | /* room for trailing terminator */ |
418 | count = count + 1; | ||
419 | niro | 1746 | |
420 | niro | 3002 | return count; |
421 | niro | 1746 | } |
422 | |||
423 | niro | 1800 | static int isquote(char q) |
424 | { | ||
425 | niro | 3002 | if (q == '\'' || q == '\"') |
426 | return 1; | ||
427 | return 0; | ||
428 | niro | 1800 | } |
429 | |||
430 | niro | 3002 | static int iskernel(enum lineType_e type) |
431 | { | ||
432 | return (type == LT_KERNEL || type == LT_KERNEL_EFI | ||
433 | || type == LT_KERNEL_16); | ||
434 | niro | 1940 | } |
435 | |||
436 | niro | 3002 | static int isinitrd(enum lineType_e type) |
437 | { | ||
438 | return (type == LT_INITRD || type == LT_INITRD_EFI | ||
439 | || type == LT_INITRD_16); | ||
440 | niro | 1940 | } |
441 | |||
442 | niro | 3002 | char *grub2ExtractTitle(struct singleLine *line) |
443 | { | ||
444 | char *current; | ||
445 | char *current_indent; | ||
446 | int current_len; | ||
447 | int current_indent_len; | ||
448 | int i; | ||
449 | niro | 1746 | |
450 | niro | 3002 | /* bail out if line does not start with menuentry */ |
451 | if (strcmp(line->elements[0].item, "menuentry")) | ||
452 | return NULL; | ||
453 | niro | 1746 | |
454 | niro | 3002 | i = 1; |
455 | current = line->elements[i].item; | ||
456 | current_len = strlen(current); | ||
457 | niro | 1746 | |
458 | niro | 3002 | /* if second word is quoted, strip the quotes and return single word */ |
459 | if (isquote(*current) && isquote(current[current_len - 1])) { | ||
460 | char *tmp; | ||
461 | niro | 2992 | |
462 | niro | 3002 | tmp = strdup(current + 1); |
463 | if (!tmp) | ||
464 | return NULL; | ||
465 | tmp[strlen(tmp) - 1] = '\0'; | ||
466 | return tmp; | ||
467 | } | ||
468 | niro | 1746 | |
469 | niro | 3002 | /* if no quotes, return second word verbatim */ |
470 | if (!isquote(*current)) | ||
471 | return current; | ||
472 | niro | 1746 | |
473 | niro | 3002 | /* second element start with a quote, so we have to find the element |
474 | * whose last character is also quote (assuming it's the closing one) */ | ||
475 | int resultMaxSize; | ||
476 | char *result; | ||
477 | /* need to ensure that ' does not match " as we search */ | ||
478 | char quote_char = *current; | ||
479 | niro | 2992 | |
480 | niro | 3002 | resultMaxSize = sizeOfSingleLine(line); |
481 | result = malloc(resultMaxSize); | ||
482 | snprintf(result, resultMaxSize, "%s", ++current); | ||
483 | niro | 2992 | |
484 | niro | 3002 | i++; |
485 | niro | 3149 | int result_len = 0; |
486 | niro | 3002 | for (; i < line->numElements; ++i) { |
487 | current = line->elements[i].item; | ||
488 | current_len = strlen(current); | ||
489 | current_indent = line->elements[i].indent; | ||
490 | current_indent_len = strlen(current_indent); | ||
491 | niro | 1746 | |
492 | niro | 3149 | memcpy(result + result_len, current_indent, current_indent_len); |
493 | result_len += current_indent_len; | ||
494 | |||
495 | niro | 3002 | if (current[current_len - 1] != quote_char) { |
496 | niro | 3149 | memcpy(result + result_len, current_indent, |
497 | current_indent_len); | ||
498 | result_len += current_len; | ||
499 | niro | 3002 | } else { |
500 | niro | 3149 | memcpy(result + result_len, current_indent, |
501 | current_indent_len); | ||
502 | result_len += (current_len - 1); | ||
503 | niro | 3002 | break; |
504 | } | ||
505 | niro | 1746 | } |
506 | niro | 3149 | result[result_len] = '\0'; |
507 | niro | 3002 | return result; |
508 | niro | 1746 | } |
509 | |||
510 | niro | 1696 | struct configFileInfo grub2ConfigType = { |
511 | niro | 3002 | .findConfig = grub2FindConfig, |
512 | .getEnv = grub2GetEnv, | ||
513 | .setEnv = grub2SetEnv, | ||
514 | .keywords = grub2Keywords, | ||
515 | .defaultIsIndex = 1, | ||
516 | .defaultSupportSaved = 1, | ||
517 | .defaultIsVariable = 1, | ||
518 | .entryStart = LT_MENUENTRY, | ||
519 | .entryEnd = LT_ENTRY_END, | ||
520 | .titlePosition = 1, | ||
521 | .needsBootPrefix = 1, | ||
522 | .mbHyperFirst = 1, | ||
523 | .mbInitRdIsModule = 1, | ||
524 | .mbAllowExtraInitRds = 1, | ||
525 | niro | 1696 | }; |
526 | |||
527 | niro | 532 | struct keywordTypes yabootKeywords[] = { |
528 | niro | 3002 | {"label", LT_TITLE, '='}, |
529 | {"root", LT_ROOT, '='}, | ||
530 | {"default", LT_DEFAULT, '='}, | ||
531 | {"image", LT_KERNEL, '='}, | ||
532 | {"bsd", LT_GENERIC, '='}, | ||
533 | {"macos", LT_GENERIC, '='}, | ||
534 | {"macosx", LT_GENERIC, '='}, | ||
535 | {"magicboot", LT_GENERIC, '='}, | ||
536 | {"darwin", LT_GENERIC, '='}, | ||
537 | {"timeout", LT_GENERIC, '='}, | ||
538 | {"install", LT_GENERIC, '='}, | ||
539 | {"fstype", LT_GENERIC, '='}, | ||
540 | {"hfstype", LT_GENERIC, '='}, | ||
541 | {"delay", LT_GENERIC, '='}, | ||
542 | {"defaultos", LT_GENERIC, '='}, | ||
543 | {"init-message", LT_GENERIC, '='}, | ||
544 | {"enablecdboot", LT_GENERIC, ' '}, | ||
545 | {"enableofboot", LT_GENERIC, ' '}, | ||
546 | {"enablenetboot", LT_GENERIC, ' '}, | ||
547 | {"nonvram", LT_GENERIC, ' '}, | ||
548 | {"hide", LT_GENERIC, ' '}, | ||
549 | {"protect", LT_GENERIC, ' '}, | ||
550 | {"nobless", LT_GENERIC, ' '}, | ||
551 | {"nonvram", LT_GENERIC, ' '}, | ||
552 | {"brokenosx", LT_GENERIC, ' '}, | ||
553 | {"usemount", LT_GENERIC, ' '}, | ||
554 | {"mntpoint", LT_GENERIC, '='}, | ||
555 | {"partition", LT_GENERIC, '='}, | ||
556 | {"device", LT_GENERIC, '='}, | ||
557 | {"fstype", LT_GENERIC, '='}, | ||
558 | {"initrd", LT_INITRD, '=', ';'}, | ||
559 | {"append", LT_KERNELARGS, '='}, | ||
560 | {"boot", LT_BOOT, '='}, | ||
561 | {"lba", LT_LBA, ' '}, | ||
562 | {NULL, 0, 0}, | ||
563 | niro | 532 | }; |
564 | |||
565 | struct keywordTypes liloKeywords[] = { | ||
566 | niro | 3002 | {"label", LT_TITLE, '='}, |
567 | {"root", LT_ROOT, '='}, | ||
568 | {"default", LT_DEFAULT, '='}, | ||
569 | {"image", LT_KERNEL, '='}, | ||
570 | {"other", LT_OTHER, '='}, | ||
571 | {"initrd", LT_INITRD, '='}, | ||
572 | {"append", LT_KERNELARGS, '='}, | ||
573 | {"boot", LT_BOOT, '='}, | ||
574 | {"lba", LT_LBA, ' '}, | ||
575 | {NULL, 0, 0}, | ||
576 | niro | 532 | }; |
577 | |||
578 | niro | 914 | struct keywordTypes eliloKeywords[] = { |
579 | niro | 3002 | {"label", LT_TITLE, '='}, |
580 | {"root", LT_ROOT, '='}, | ||
581 | {"default", LT_DEFAULT, '='}, | ||
582 | {"image", LT_KERNEL, '='}, | ||
583 | {"initrd", LT_INITRD, '='}, | ||
584 | {"append", LT_KERNELARGS, '='}, | ||
585 | {"vmm", LT_HYPER, '='}, | ||
586 | {NULL, 0, 0}, | ||
587 | niro | 914 | }; |
588 | |||
589 | niro | 532 | struct keywordTypes siloKeywords[] = { |
590 | niro | 3002 | {"label", LT_TITLE, '='}, |
591 | {"root", LT_ROOT, '='}, | ||
592 | {"default", LT_DEFAULT, '='}, | ||
593 | {"image", LT_KERNEL, '='}, | ||
594 | {"other", LT_OTHER, '='}, | ||
595 | {"initrd", LT_INITRD, '='}, | ||
596 | {"append", LT_KERNELARGS, '='}, | ||
597 | {"boot", LT_BOOT, '='}, | ||
598 | {NULL, 0, 0}, | ||
599 | niro | 532 | }; |
600 | |||
601 | struct keywordTypes ziplKeywords[] = { | ||
602 | niro | 3002 | {"target", LT_BOOTROOT, '='}, |
603 | {"image", LT_KERNEL, '='}, | ||
604 | {"ramdisk", LT_INITRD, '='}, | ||
605 | {"parameters", LT_KERNELARGS, '='}, | ||
606 | {"default", LT_DEFAULT, '='}, | ||
607 | {NULL, 0, 0}, | ||
608 | niro | 532 | }; |
609 | |||
610 | niro | 914 | struct keywordTypes extlinuxKeywords[] = { |
611 | niro | 3002 | {"label", LT_TITLE, ' '}, |
612 | {"root", LT_ROOT, ' '}, | ||
613 | {"default", LT_DEFAULT, ' '}, | ||
614 | {"kernel", LT_KERNEL, ' '}, | ||
615 | {"initrd", LT_INITRD, ' ', ','}, | ||
616 | {"append", LT_KERNELARGS, ' '}, | ||
617 | {"prompt", LT_UNKNOWN, ' '}, | ||
618 | {"fdt", LT_DEVTREE, ' '}, | ||
619 | {"fdtdir", LT_DEVTREE, ' '}, | ||
620 | {NULL, 0, 0}, | ||
621 | niro | 914 | }; |
622 | niro | 3002 | |
623 | niro | 914 | int useextlinuxmenu; |
624 | niro | 532 | struct configFileInfo eliloConfigType = { |
625 | niro | 3002 | .defaultConfig = "/boot/efi/EFI/redhat/elilo.conf", |
626 | .keywords = eliloKeywords, | ||
627 | .entryStart = LT_KERNEL, | ||
628 | .needsBootPrefix = 1, | ||
629 | .argsInQuotes = 1, | ||
630 | .mbConcatArgs = 1, | ||
631 | .titlePosition = 1, | ||
632 | niro | 532 | }; |
633 | |||
634 | struct configFileInfo liloConfigType = { | ||
635 | niro | 3002 | .defaultConfig = "/etc/lilo.conf", |
636 | .keywords = liloKeywords, | ||
637 | .entryStart = LT_KERNEL, | ||
638 | .argsInQuotes = 1, | ||
639 | .maxTitleLength = 15, | ||
640 | .titlePosition = 1, | ||
641 | niro | 532 | }; |
642 | |||
643 | struct configFileInfo yabootConfigType = { | ||
644 | niro | 3002 | .defaultConfig = "/etc/yaboot.conf", |
645 | .keywords = yabootKeywords, | ||
646 | .entryStart = LT_KERNEL, | ||
647 | .needsBootPrefix = 1, | ||
648 | .argsInQuotes = 1, | ||
649 | .maxTitleLength = 15, | ||
650 | .mbAllowExtraInitRds = 1, | ||
651 | .titlePosition = 1, | ||
652 | niro | 532 | }; |
653 | |||
654 | struct configFileInfo siloConfigType = { | ||
655 | niro | 3002 | .defaultConfig = "/etc/silo.conf", |
656 | .keywords = siloKeywords, | ||
657 | .entryStart = LT_KERNEL, | ||
658 | .needsBootPrefix = 1, | ||
659 | .argsInQuotes = 1, | ||
660 | .maxTitleLength = 15, | ||
661 | .titlePosition = 1, | ||
662 | niro | 532 | }; |
663 | |||
664 | struct configFileInfo ziplConfigType = { | ||
665 | niro | 3002 | .defaultConfig = "/etc/zipl.conf", |
666 | .keywords = ziplKeywords, | ||
667 | .entryStart = LT_TITLE, | ||
668 | .argsInQuotes = 1, | ||
669 | .titleBracketed = 1, | ||
670 | niro | 532 | }; |
671 | |||
672 | niro | 914 | struct configFileInfo extlinuxConfigType = { |
673 | niro | 3002 | .defaultConfig = "/boot/extlinux/extlinux.conf", |
674 | .keywords = extlinuxKeywords, | ||
675 | .caseInsensitive = 1, | ||
676 | .entryStart = LT_TITLE, | ||
677 | .needsBootPrefix = 1, | ||
678 | .maxTitleLength = 255, | ||
679 | .mbAllowExtraInitRds = 1, | ||
680 | .defaultIsUnquoted = 1, | ||
681 | .titlePosition = 1, | ||
682 | niro | 914 | }; |
683 | |||
684 | niro | 532 | struct grubConfig { |
685 | niro | 3002 | struct singleLine *theLines; |
686 | struct singleEntry *entries; | ||
687 | char *primaryIndent; | ||
688 | char *secondaryIndent; | ||
689 | int defaultImage; /* -1 if none specified -- this value is | ||
690 | * written out, overriding original */ | ||
691 | int fallbackImage; /* just like defaultImage */ | ||
692 | int flags; | ||
693 | struct configFileInfo *cfi; | ||
694 | niro | 3019 | int isModified; /* assumes only one entry added |
695 | per invocation of grubby */ | ||
696 | niro | 532 | }; |
697 | |||
698 | niro | 1156 | blkid_cache blkid; |
699 | |||
700 | niro | 3002 | struct singleEntry *findEntryByIndex(struct grubConfig *cfg, int index); |
701 | struct singleEntry *findEntryByPath(struct grubConfig *cfg, | ||
702 | const char *path, const char *prefix, | ||
703 | int *index); | ||
704 | struct singleEntry *findEntryByTitle(struct grubConfig *cfg, char *title, | ||
705 | int *index); | ||
706 | static int readFile(int fd, char **bufPtr); | ||
707 | static void lineInit(struct singleLine *line); | ||
708 | struct singleLine *lineDup(struct singleLine *line); | ||
709 | static void lineFree(struct singleLine *line); | ||
710 | static int lineWrite(FILE * out, struct singleLine *line, | ||
711 | struct configFileInfo *cfi); | ||
712 | static int getNextLine(char **bufPtr, struct singleLine *line, | ||
713 | struct configFileInfo *cfi); | ||
714 | niro | 3138 | static size_t getRootSpecifier(const char *str); |
715 | niro | 3002 | static void requote(struct singleLine *line, struct configFileInfo *cfi); |
716 | static void insertElement(struct singleLine *line, | ||
717 | const char *item, int insertHere, | ||
718 | struct configFileInfo *cfi); | ||
719 | static void removeElement(struct singleLine *line, int removeHere); | ||
720 | static struct keywordTypes *getKeywordByType(enum lineType_e type, | ||
721 | struct configFileInfo *cfi); | ||
722 | static enum lineType_e getTypeByKeyword(char *keyword, | ||
723 | struct configFileInfo *cfi); | ||
724 | static struct singleLine *getLineByType(enum lineType_e type, | ||
725 | struct singleLine *line); | ||
726 | static int checkForExtLinux(struct grubConfig *config); | ||
727 | struct singleLine *addLineTmpl(struct singleEntry *entry, | ||
728 | struct singleLine *tmplLine, | ||
729 | struct singleLine *prevLine, | ||
730 | const char *val, struct configFileInfo *cfi); | ||
731 | struct singleLine *addLine(struct singleEntry *entry, | ||
732 | struct configFileInfo *cfi, | ||
733 | enum lineType_e type, char *defaultIndent, | ||
734 | const char *val); | ||
735 | niro | 532 | |
736 | niro | 3002 | static char *sdupprintf(const char *format, ...) |
737 | niro | 532 | #ifdef __GNUC__ |
738 | niro | 3002 | __attribute__ ((format(printf, 1, 2))); |
739 | niro | 532 | #else |
740 | niro | 3002 | ; |
741 | niro | 532 | #endif |
742 | |||
743 | niro | 3002 | static char *sdupprintf(const char *format, ...) |
744 | { | ||
745 | char *buf = NULL; | ||
746 | char c; | ||
747 | va_list args; | ||
748 | size_t size = 0; | ||
749 | va_start(args, format); | ||
750 | niro | 532 | |
751 | niro | 3002 | /* XXX requires C99 vsnprintf behavior */ |
752 | size = vsnprintf(&c, 1, format, args) + 1; | ||
753 | if (size == -1) { | ||
754 | printf("ERROR: vsnprintf behavior is not C99\n"); | ||
755 | abort(); | ||
756 | } | ||
757 | niro | 532 | |
758 | niro | 3002 | va_end(args); |
759 | va_start(args, format); | ||
760 | niro | 532 | |
761 | niro | 3002 | buf = malloc(size); |
762 | if (buf == NULL) | ||
763 | return NULL; | ||
764 | vsnprintf(buf, size, format, args); | ||
765 | va_end(args); | ||
766 | |||
767 | return buf; | ||
768 | niro | 532 | } |
769 | |||
770 | niro | 3003 | static inline int |
771 | kwcmp(struct keywordTypes *kw, const char * label, int case_insensitive) | ||
772 | { | ||
773 | int kwl = strlen(kw->key); | ||
774 | int ll = strlen(label); | ||
775 | int rc; | ||
776 | int (*snc)(const char *s1, const char *s2, size_t n) = | ||
777 | case_insensitive ? strncasecmp : strncmp; | ||
778 | int (*sc)(const char *s1, const char *s2) = | ||
779 | case_insensitive ? strcasecmp : strcmp; | ||
780 | |||
781 | rc = snc(kw->key, label, kwl); | ||
782 | if (rc) | ||
783 | return rc; | ||
784 | |||
785 | for (int i = kwl; i < ll; i++) { | ||
786 | if (isspace(label[i])) | ||
787 | return 0; | ||
788 | if (kw->separatorChar && label[i] == kw->separatorChar) | ||
789 | return 0; | ||
790 | else if (kw->nextChar && label[i] == kw->nextChar) | ||
791 | return 0; | ||
792 | return sc(kw->key+kwl, label+kwl); | ||
793 | } | ||
794 | return 0; | ||
795 | } | ||
796 | |||
797 | niro | 1940 | static enum lineType_e preferredLineType(enum lineType_e type, |
798 | niro | 3002 | struct configFileInfo *cfi) |
799 | { | ||
800 | if (isEfi && cfi == &grub2ConfigType) { | ||
801 | switch (type) { | ||
802 | case LT_KERNEL: | ||
803 | return isEfiOnly ? LT_KERNEL : LT_KERNEL_EFI; | ||
804 | case LT_INITRD: | ||
805 | return isEfiOnly ? LT_INITRD : LT_INITRD_EFI; | ||
806 | default: | ||
807 | return type; | ||
808 | } | ||
809 | niro | 2683 | #if defined(__i386__) || defined(__x86_64__) |
810 | niro | 3002 | } else if (cfi == &grub2ConfigType) { |
811 | switch (type) { | ||
812 | case LT_KERNEL: | ||
813 | return LT_KERNEL_16; | ||
814 | case LT_INITRD: | ||
815 | return LT_INITRD_16; | ||
816 | default: | ||
817 | return type; | ||
818 | } | ||
819 | #endif | ||
820 | niro | 2683 | } |
821 | niro | 3002 | return type; |
822 | niro | 1940 | } |
823 | |||
824 | niro | 3002 | static struct keywordTypes *getKeywordByType(enum lineType_e type, |
825 | struct configFileInfo *cfi) | ||
826 | { | ||
827 | for (struct keywordTypes * kw = cfi->keywords; kw->key; kw++) { | ||
828 | if (kw->type == type) | ||
829 | return kw; | ||
830 | } | ||
831 | return NULL; | ||
832 | niro | 914 | } |
833 | |||
834 | niro | 3002 | static char *getKeyByType(enum lineType_e type, struct configFileInfo *cfi) |
835 | { | ||
836 | struct keywordTypes *kt = getKeywordByType(type, cfi); | ||
837 | if (kt) | ||
838 | return kt->key; | ||
839 | return "unknown"; | ||
840 | niro | 1696 | } |
841 | |||
842 | niro | 3002 | static char *getpathbyspec(char *device) |
843 | { | ||
844 | if (!blkid) | ||
845 | blkid_get_cache(&blkid, NULL); | ||
846 | niro | 914 | |
847 | niro | 3002 | return blkid_get_devname(blkid, device, NULL); |
848 | niro | 914 | } |
849 | |||
850 | niro | 3002 | static char *getuuidbydev(char *device) |
851 | { | ||
852 | if (!blkid) | ||
853 | blkid_get_cache(&blkid, NULL); | ||
854 | niro | 1156 | |
855 | niro | 3002 | return blkid_get_tag_value(blkid, "UUID", device); |
856 | niro | 1156 | } |
857 | |||
858 | niro | 3002 | static enum lineType_e getTypeByKeyword(char *keyword, |
859 | struct configFileInfo *cfi) | ||
860 | { | ||
861 | for (struct keywordTypes * kw = cfi->keywords; kw->key; kw++) { | ||
862 | niro | 3003 | if (!kwcmp(kw, keyword, cfi->caseInsensitive)) |
863 | return kw->type; | ||
864 | niro | 2056 | } |
865 | niro | 3002 | return LT_UNKNOWN; |
866 | niro | 914 | } |
867 | |||
868 | niro | 3002 | static struct singleLine *getLineByType(enum lineType_e type, |
869 | struct singleLine *line) | ||
870 | { | ||
871 | dbgPrintf("getLineByType(%d): ", type); | ||
872 | for (; line; line = line->next) { | ||
873 | dbgPrintf("%d:%s ", line->type, | ||
874 | line->numElements ? line->elements[0]. | ||
875 | item : "(empty)"); | ||
876 | if (line->type & type) | ||
877 | break; | ||
878 | } | ||
879 | dbgPrintf(line ? "\n" : " (failed)\n"); | ||
880 | return line; | ||
881 | niro | 914 | } |
882 | |||
883 | niro | 3002 | static int isBracketedTitle(struct singleLine *line) |
884 | { | ||
885 | if (line->numElements == 1 && *line->elements[0].item == '[') { | ||
886 | int len = strlen(line->elements[0].item); | ||
887 | if (*(line->elements[0].item + len - 1) == ']') { | ||
888 | /* FIXME: this is a hack... */ | ||
889 | if (strcmp(line->elements[0].item, "[defaultboot]")) { | ||
890 | return 1; | ||
891 | } | ||
892 | } | ||
893 | } | ||
894 | return 0; | ||
895 | niro | 532 | } |
896 | |||
897 | niro | 3002 | static int isEntryStart(struct singleLine *line, struct configFileInfo *cfi) |
898 | { | ||
899 | return line->type == cfi->entryStart || line->type == LT_OTHER || | ||
900 | (cfi->titleBracketed && isBracketedTitle(line)); | ||
901 | niro | 532 | } |
902 | |||
903 | /* extract the title from within brackets (for zipl) */ | ||
904 | niro | 3002 | static char *extractTitle(struct grubConfig *cfg, struct singleLine *line) |
905 | { | ||
906 | /* bracketed title... let's extract it */ | ||
907 | char *title = NULL; | ||
908 | if (line->type == LT_TITLE) { | ||
909 | char *tmp = line->elements[cfg->cfi->titlePosition].item; | ||
910 | if (cfg->cfi->titleBracketed) { | ||
911 | tmp++; | ||
912 | title = strdup(tmp); | ||
913 | *(title + strlen(title) - 1) = '\0'; | ||
914 | } else { | ||
915 | title = strdup(tmp); | ||
916 | } | ||
917 | } else if (line->type == LT_MENUENTRY) | ||
918 | title = strdup(line->elements[1].item); | ||
919 | else | ||
920 | return NULL; | ||
921 | return title; | ||
922 | niro | 532 | } |
923 | |||
924 | niro | 3002 | static int readFile(int fd, char **bufPtr) |
925 | { | ||
926 | int alloced = 0, size = 0, i = 0; | ||
927 | char *buf = NULL; | ||
928 | niro | 532 | |
929 | niro | 3002 | do { |
930 | size += i; | ||
931 | if ((size + 1024) > alloced) { | ||
932 | alloced += 4096; | ||
933 | buf = realloc(buf, alloced + 1); | ||
934 | } | ||
935 | } while ((i = read(fd, buf + size, 1024)) > 0); | ||
936 | |||
937 | if (i < 0) { | ||
938 | fprintf(stderr, _("error reading input: %s\n"), | ||
939 | strerror(errno)); | ||
940 | free(buf); | ||
941 | return 1; | ||
942 | niro | 532 | } |
943 | |||
944 | niro | 3002 | buf = realloc(buf, size + 2); |
945 | if (size == 0) | ||
946 | buf[size++] = '\n'; | ||
947 | else if (buf[size - 1] != '\n') | ||
948 | buf[size++] = '\n'; | ||
949 | buf[size] = '\0'; | ||
950 | niro | 532 | |
951 | niro | 3002 | *bufPtr = buf; |
952 | niro | 532 | |
953 | niro | 3002 | return 0; |
954 | niro | 532 | } |
955 | |||
956 | niro | 3002 | static void lineInit(struct singleLine *line) |
957 | { | ||
958 | niro | 3003 | line->type = LT_UNIDENTIFIED; |
959 | niro | 3002 | line->indent = NULL; |
960 | line->elements = NULL; | ||
961 | line->numElements = 0; | ||
962 | line->next = NULL; | ||
963 | niro | 532 | } |
964 | |||
965 | niro | 3002 | struct singleLine *lineDup(struct singleLine *line) |
966 | { | ||
967 | struct singleLine *newLine = malloc(sizeof(*newLine)); | ||
968 | niro | 914 | |
969 | niro | 3002 | newLine->indent = strdup(line->indent); |
970 | newLine->next = NULL; | ||
971 | newLine->type = line->type; | ||
972 | newLine->numElements = line->numElements; | ||
973 | newLine->elements = malloc(sizeof(*newLine->elements) * | ||
974 | newLine->numElements); | ||
975 | niro | 914 | |
976 | niro | 3002 | for (int i = 0; i < newLine->numElements; i++) { |
977 | newLine->elements[i].indent = strdup(line->elements[i].indent); | ||
978 | newLine->elements[i].item = strdup(line->elements[i].item); | ||
979 | } | ||
980 | niro | 914 | |
981 | niro | 3002 | return newLine; |
982 | niro | 914 | } |
983 | |||
984 | niro | 3002 | static void lineFree(struct singleLine *line) |
985 | { | ||
986 | if (line->indent) | ||
987 | free(line->indent); | ||
988 | niro | 532 | |
989 | niro | 3002 | for (int i = 0; i < line->numElements; i++) { |
990 | free(line->elements[i].item); | ||
991 | free(line->elements[i].indent); | ||
992 | } | ||
993 | niro | 532 | |
994 | niro | 3002 | if (line->elements) |
995 | free(line->elements); | ||
996 | lineInit(line); | ||
997 | niro | 532 | } |
998 | |||
999 | niro | 3002 | static int lineWrite(FILE * out, struct singleLine *line, |
1000 | struct configFileInfo *cfi) | ||
1001 | { | ||
1002 | if (fprintf(out, "%s", line->indent) == -1) | ||
1003 | return -1; | ||
1004 | niro | 532 | |
1005 | niro | 3002 | for (int i = 0; i < line->numElements; i++) { |
1006 | /* Need to handle this, because we strip the quotes from | ||
1007 | * menuentry when read it. */ | ||
1008 | if (line->type == LT_MENUENTRY && i == 1) { | ||
1009 | if (!isquote(*line->elements[i].item)) { | ||
1010 | int substring = 0; | ||
1011 | /* If the line contains nested quotes, we did | ||
1012 | * not strip the "interna" quotes and we must | ||
1013 | * use the right quotes again when writing | ||
1014 | * the updated file. */ | ||
1015 | for (int j = i; j < line->numElements; j++) { | ||
1016 | if (strchr(line->elements[i].item, '\'') | ||
1017 | != NULL) { | ||
1018 | substring = 1; | ||
1019 | fprintf(out, "\"%s\"", | ||
1020 | line->elements[i].item); | ||
1021 | break; | ||
1022 | } | ||
1023 | } | ||
1024 | if (!substring) | ||
1025 | fprintf(out, "\'%s\'", | ||
1026 | line->elements[i].item); | ||
1027 | } else { | ||
1028 | fprintf(out, "%s", line->elements[i].item); | ||
1029 | } | ||
1030 | fprintf(out, "%s", line->elements[i].indent); | ||
1031 | |||
1032 | continue; | ||
1033 | niro | 2989 | } |
1034 | niro | 1801 | |
1035 | niro | 3002 | if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes) |
1036 | if (fputc('"', out) == EOF) | ||
1037 | return -1; | ||
1038 | |||
1039 | if (fprintf(out, "%s", line->elements[i].item) == -1) | ||
1040 | return -1; | ||
1041 | niro | 3003 | if (i < line->numElements - 1 || line->type == LT_SET_VARIABLE) |
1042 | niro | 3002 | if (fprintf(out, "%s", line->elements[i].indent) == -1) |
1043 | return -1; | ||
1044 | niro | 1801 | } |
1045 | |||
1046 | niro | 3002 | if (line->type == LT_KERNELARGS && cfi->argsInQuotes) |
1047 | if (fputc('"', out) == EOF) | ||
1048 | return -1; | ||
1049 | niro | 532 | |
1050 | niro | 3002 | if (fprintf(out, "\n") == -1) |
1051 | return -1; | ||
1052 | niro | 532 | |
1053 | niro | 3002 | return 0; |
1054 | niro | 532 | } |
1055 | |||
1056 | /* we've guaranteed that the buffer ends w/ \n\0 */ | ||
1057 | niro | 3002 | static int getNextLine(char **bufPtr, struct singleLine *line, |
1058 | struct configFileInfo *cfi) | ||
1059 | { | ||
1060 | char *end; | ||
1061 | char *start = *bufPtr; | ||
1062 | char *chptr; | ||
1063 | int elementsAlloced = 0; | ||
1064 | struct lineElement *element; | ||
1065 | int first = 1; | ||
1066 | niro | 532 | |
1067 | niro | 3002 | lineFree(line); |
1068 | niro | 532 | |
1069 | niro | 3002 | end = strchr(start, '\n'); |
1070 | *end = '\0'; | ||
1071 | *bufPtr = end + 1; | ||
1072 | niro | 532 | |
1073 | niro | 3002 | for (chptr = start; *chptr && isspace(*chptr); chptr++) ; |
1074 | niro | 532 | |
1075 | niro | 3002 | line->indent = strndup(start, chptr - start); |
1076 | start = chptr; | ||
1077 | niro | 532 | |
1078 | niro | 3002 | while (start < end) { |
1079 | /* we know !isspace(*start) */ | ||
1080 | niro | 532 | |
1081 | niro | 3002 | if (elementsAlloced == line->numElements) { |
1082 | elementsAlloced += 5; | ||
1083 | line->elements = realloc(line->elements, | ||
1084 | sizeof(*line->elements) * | ||
1085 | elementsAlloced); | ||
1086 | } | ||
1087 | niro | 532 | |
1088 | niro | 3002 | element = line->elements + line->numElements; |
1089 | niro | 532 | |
1090 | niro | 3002 | chptr = start; |
1091 | while (*chptr && !isspace(*chptr)) { | ||
1092 | if (first && *chptr == '=') | ||
1093 | break; | ||
1094 | chptr++; | ||
1095 | } | ||
1096 | niro | 3003 | if (line->type == LT_UNIDENTIFIED) |
1097 | line->type = getTypeByKeyword(start, cfi); | ||
1098 | niro | 3002 | element->item = strndup(start, chptr - start); |
1099 | start = chptr; | ||
1100 | niro | 532 | |
1101 | niro | 3002 | /* lilo actually accepts the pathological case of |
1102 | * append = " foo " */ | ||
1103 | if (*start == '=') | ||
1104 | chptr = start + 1; | ||
1105 | else | ||
1106 | chptr = start; | ||
1107 | niro | 532 | |
1108 | niro | 3002 | do { |
1109 | for (; *chptr && isspace(*chptr); chptr++) ; | ||
1110 | if (*chptr == '=') | ||
1111 | chptr = chptr + 1; | ||
1112 | } while (isspace(*chptr)); | ||
1113 | niro | 532 | |
1114 | niro | 3002 | element->indent = strndup(start, chptr - start); |
1115 | start = chptr; | ||
1116 | niro | 532 | |
1117 | niro | 3002 | line->numElements++; |
1118 | first = 0; | ||
1119 | } | ||
1120 | niro | 532 | |
1121 | niro | 3002 | if (!line->numElements) |
1122 | line->type = LT_WHITESPACE; | ||
1123 | else { | ||
1124 | line->type = getTypeByKeyword(line->elements[0].item, cfi); | ||
1125 | if (line->type == LT_UNKNOWN) { | ||
1126 | /* zipl does [title] instead of something reasonable | ||
1127 | * like all the other boot loaders. kind of ugly */ | ||
1128 | if (cfi->titleBracketed && isBracketedTitle(line)) { | ||
1129 | line->type = LT_TITLE; | ||
1130 | } | ||
1131 | niro | 532 | |
1132 | niro | 3002 | /* this is awkward, but we need to be able to handle |
1133 | * keywords that begin with a # (specifically for | ||
1134 | * #boot in grub.conf), but still make comments lines | ||
1135 | * with no elements (everything stored in the indent | ||
1136 | */ | ||
1137 | if (*line->elements[0].item == '#') { | ||
1138 | char *fullLine; | ||
1139 | int len; | ||
1140 | niro | 532 | |
1141 | niro | 3002 | len = strlen(line->indent); |
1142 | for (int i = 0; i < line->numElements; i++) | ||
1143 | len += strlen(line->elements[i].item) + | ||
1144 | strlen(line->elements[i].indent); | ||
1145 | niro | 532 | |
1146 | niro | 3002 | fullLine = malloc(len + 1); |
1147 | strcpy(fullLine, line->indent); | ||
1148 | free(line->indent); | ||
1149 | line->indent = fullLine; | ||
1150 | niro | 532 | |
1151 | niro | 3002 | for (int i = 0; i < line->numElements; i++) { |
1152 | strcat(fullLine, | ||
1153 | line->elements[i].item); | ||
1154 | strcat(fullLine, | ||
1155 | line->elements[i].indent); | ||
1156 | free(line->elements[i].item); | ||
1157 | free(line->elements[i].indent); | ||
1158 | } | ||
1159 | niro | 532 | |
1160 | niro | 3002 | line->type = LT_WHITESPACE; |
1161 | line->numElements = 0; | ||
1162 | } | ||
1163 | niro | 3003 | } else if (line->type == LT_INITRD) { |
1164 | niro | 3002 | struct keywordTypes *kw; |
1165 | niro | 914 | |
1166 | niro | 3002 | kw = getKeywordByType(line->type, cfi); |
1167 | niro | 914 | |
1168 | niro | 3002 | /* space isn't the only separator, we need to split |
1169 | * elements up more | ||
1170 | */ | ||
1171 | if (!isspace(kw->separatorChar)) { | ||
1172 | char indent[2] = ""; | ||
1173 | indent[0] = kw->separatorChar; | ||
1174 | for (int i = 1; i < line->numElements; i++) { | ||
1175 | char *p; | ||
1176 | int numNewElements; | ||
1177 | niro | 914 | |
1178 | niro | 3002 | numNewElements = 0; |
1179 | p = line->elements[i].item; | ||
1180 | while (*p != '\0') { | ||
1181 | if (*p == kw->separatorChar) | ||
1182 | numNewElements++; | ||
1183 | p++; | ||
1184 | } | ||
1185 | if (line->numElements + | ||
1186 | numNewElements >= elementsAlloced) { | ||
1187 | elementsAlloced += | ||
1188 | numNewElements + 5; | ||
1189 | line->elements = | ||
1190 | realloc(line->elements, | ||
1191 | sizeof(*line-> | ||
1192 | elements) * | ||
1193 | elementsAlloced); | ||
1194 | } | ||
1195 | niro | 914 | |
1196 | niro | 3002 | for (int j = line->numElements; j > i; |
1197 | j--) { | ||
1198 | line->elements[j + | ||
1199 | numNewElements] = | ||
1200 | line->elements[j]; | ||
1201 | } | ||
1202 | line->numElements += numNewElements; | ||
1203 | niro | 914 | |
1204 | niro | 3002 | p = line->elements[i].item; |
1205 | while (*p != '\0') { | ||
1206 | niro | 914 | |
1207 | niro | 3002 | while (*p != kw->separatorChar |
1208 | && *p != '\0') | ||
1209 | p++; | ||
1210 | if (*p == '\0') { | ||
1211 | break; | ||
1212 | } | ||
1213 | |||
1214 | line->elements[i + 1].indent = | ||
1215 | line->elements[i].indent; | ||
1216 | line->elements[i].indent = | ||
1217 | strdup(indent); | ||
1218 | *p++ = '\0'; | ||
1219 | i++; | ||
1220 | line->elements[i].item = | ||
1221 | strdup(p); | ||
1222 | } | ||
1223 | niro | 914 | } |
1224 | } | ||
1225 | niro | 3003 | } else if (line->type == LT_SET_VARIABLE) { |
1226 | /* and if it's a "set blah=" we need to split it | ||
1227 | * yet a third way to avoid rhbz# XXX FIXME :/ | ||
1228 | */ | ||
1229 | char *eq; | ||
1230 | int l; | ||
1231 | int numElements = line->numElements; | ||
1232 | struct lineElement *newElements; | ||
1233 | eq = strchr(line->elements[1].item, '='); | ||
1234 | if (!eq) | ||
1235 | return 0; | ||
1236 | l = eq - line->elements[1].item; | ||
1237 | if (eq[1] != 0) | ||
1238 | numElements++; | ||
1239 | newElements = calloc(numElements,sizeof (*newElements)); | ||
1240 | memcpy(&newElements[0], &line->elements[0], | ||
1241 | sizeof (newElements[0])); | ||
1242 | newElements[1].item = | ||
1243 | strndup(line->elements[1].item, l); | ||
1244 | newElements[1].indent = "="; | ||
1245 | *(eq++) = '\0'; | ||
1246 | newElements[2].item = strdup(eq); | ||
1247 | free(line->elements[1].item); | ||
1248 | if (line->elements[1].indent) | ||
1249 | newElements[2].indent = line->elements[1].indent; | ||
1250 | for (int i = 2; i < line->numElements; i++) { | ||
1251 | newElements[i+1].item = line->elements[i].item; | ||
1252 | newElements[i+1].indent = | ||
1253 | line->elements[i].indent; | ||
1254 | } | ||
1255 | free(line->elements); | ||
1256 | line->elements = newElements; | ||
1257 | line->numElements = numElements; | ||
1258 | niro | 914 | } |
1259 | niro | 532 | } |
1260 | |||
1261 | niro | 3002 | return 0; |
1262 | niro | 532 | } |
1263 | |||
1264 | niro | 2258 | static int isnumber(const char *s) |
1265 | { | ||
1266 | niro | 3002 | int i; |
1267 | for (i = 0; s[i] != '\0'; i++) | ||
1268 | if (s[i] < '0' || s[i] > '9') | ||
1269 | return 0; | ||
1270 | return i; | ||
1271 | niro | 2258 | } |
1272 | |||
1273 | niro | 3002 | static struct grubConfig *readConfig(const char *inName, |
1274 | struct configFileInfo *cfi) | ||
1275 | { | ||
1276 | int in; | ||
1277 | char *incoming = NULL, *head; | ||
1278 | int rc; | ||
1279 | int sawEntry = 0; | ||
1280 | int movedLine = 0; | ||
1281 | struct grubConfig *cfg; | ||
1282 | struct singleLine *last = NULL, *line, *defaultLine = NULL; | ||
1283 | char *end; | ||
1284 | struct singleEntry *entry = NULL; | ||
1285 | int len; | ||
1286 | char *buf; | ||
1287 | niro | 532 | |
1288 | niro | 3002 | if (inName == NULL) { |
1289 | printf("Could not find bootloader configuration\n"); | ||
1290 | exit(1); | ||
1291 | } else if (!strcmp(inName, "-")) { | ||
1292 | in = 0; | ||
1293 | } else { | ||
1294 | if ((in = open(inName, O_RDONLY)) < 0) { | ||
1295 | fprintf(stderr, _("error opening %s for read: %s\n"), | ||
1296 | inName, strerror(errno)); | ||
1297 | return NULL; | ||
1298 | } | ||
1299 | niro | 532 | } |
1300 | |||
1301 | niro | 3002 | rc = readFile(in, &incoming); |
1302 | close(in); | ||
1303 | if (rc) | ||
1304 | return NULL; | ||
1305 | niro | 532 | |
1306 | niro | 3002 | head = incoming; |
1307 | cfg = malloc(sizeof(*cfg)); | ||
1308 | cfg->primaryIndent = strdup(""); | ||
1309 | cfg->secondaryIndent = strdup("\t"); | ||
1310 | cfg->flags = GRUB_CONFIG_NO_DEFAULT; | ||
1311 | cfg->cfi = cfi; | ||
1312 | cfg->theLines = NULL; | ||
1313 | cfg->entries = NULL; | ||
1314 | cfg->fallbackImage = 0; | ||
1315 | niro | 3019 | cfg->isModified = 0; |
1316 | niro | 532 | |
1317 | niro | 3002 | /* copy everything we have */ |
1318 | while (*head) { | ||
1319 | line = malloc(sizeof(*line)); | ||
1320 | lineInit(line); | ||
1321 | niro | 532 | |
1322 | niro | 3002 | if (getNextLine(&head, line, cfi)) { |
1323 | free(line); | ||
1324 | /* XXX memory leak of everything in cfg */ | ||
1325 | return NULL; | ||
1326 | } | ||
1327 | niro | 532 | |
1328 | niro | 3002 | if (!sawEntry && line->numElements) { |
1329 | free(cfg->primaryIndent); | ||
1330 | cfg->primaryIndent = strdup(line->indent); | ||
1331 | } else if (line->numElements) { | ||
1332 | free(cfg->secondaryIndent); | ||
1333 | cfg->secondaryIndent = strdup(line->indent); | ||
1334 | } | ||
1335 | niro | 532 | |
1336 | niro | 3002 | if (isEntryStart(line, cfi) || (cfg->entries && !sawEntry)) { |
1337 | sawEntry = 1; | ||
1338 | if (!entry) { | ||
1339 | cfg->entries = malloc(sizeof(*entry)); | ||
1340 | entry = cfg->entries; | ||
1341 | } else { | ||
1342 | entry->next = malloc(sizeof(*entry)); | ||
1343 | entry = entry->next; | ||
1344 | } | ||
1345 | niro | 532 | |
1346 | niro | 3002 | entry->skip = 0; |
1347 | entry->multiboot = 0; | ||
1348 | entry->lines = NULL; | ||
1349 | entry->next = NULL; | ||
1350 | } | ||
1351 | niro | 532 | |
1352 | niro | 3002 | if (line->type == LT_SET_VARIABLE) { |
1353 | dbgPrintf("found 'set' command (%d elements): ", | ||
1354 | line->numElements); | ||
1355 | dbgPrintf("%s", line->indent); | ||
1356 | for (int i = 0; i < line->numElements; i++) | ||
1357 | dbgPrintf("\"%s\"%s", line->elements[i].item, | ||
1358 | line->elements[i].indent); | ||
1359 | dbgPrintf("\n"); | ||
1360 | struct keywordTypes *kwType = | ||
1361 | getKeywordByType(LT_DEFAULT, cfi); | ||
1362 | if (kwType && line->numElements == 3 | ||
1363 | && !strcmp(line->elements[1].item, kwType->key) | ||
1364 | niro | 3003 | && !is_special_grub2_variable( |
1365 | line->elements[2].item)) { | ||
1366 | niro | 3002 | dbgPrintf("Line sets default config\n"); |
1367 | cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT; | ||
1368 | defaultLine = line; | ||
1369 | } | ||
1370 | } else if (iskernel(line->type)) { | ||
1371 | /* if by some freak chance this is multiboot and the | ||
1372 | * "module" lines came earlier in the template, make | ||
1373 | * sure to use LT_HYPER instead of LT_KERNEL now | ||
1374 | */ | ||
1375 | if (entry && entry->multiboot) | ||
1376 | line->type = LT_HYPER; | ||
1377 | niro | 914 | |
1378 | niro | 3002 | } else if (line->type == LT_MBMODULE) { |
1379 | /* go back and fix the LT_KERNEL line to indicate | ||
1380 | * LT_HYPER instead, now that we know this is a | ||
1381 | * multiboot entry. This only applies to grub, but | ||
1382 | * that's the only place we should find LT_MBMODULE | ||
1383 | * lines anyway. | ||
1384 | */ | ||
1385 | for (struct singleLine * l = entry->lines; l; | ||
1386 | l = l->next) { | ||
1387 | if (l->type == LT_HYPER) | ||
1388 | break; | ||
1389 | else if (iskernel(l->type)) { | ||
1390 | l->type = LT_HYPER; | ||
1391 | break; | ||
1392 | } | ||
1393 | } | ||
1394 | entry->multiboot = 1; | ||
1395 | niro | 914 | |
1396 | niro | 3002 | } else if (line->type == LT_HYPER) { |
1397 | entry->multiboot = 1; | ||
1398 | niro | 914 | |
1399 | niro | 3002 | } else if (line->type == LT_FALLBACK && line->numElements == 2) { |
1400 | cfg->fallbackImage = | ||
1401 | strtol(line->elements[1].item, &end, 10); | ||
1402 | if (*end) | ||
1403 | cfg->fallbackImage = -1; | ||
1404 | niro | 914 | |
1405 | niro | 3002 | } else if ((line->type == LT_DEFAULT && cfi->defaultIsUnquoted) |
1406 | || (line->type == LT_TITLE | ||
1407 | && line->numElements > 1)) { | ||
1408 | /* make the title/default a single argument (undoing | ||
1409 | * our parsing) */ | ||
1410 | len = 0; | ||
1411 | for (int i = 1; i < line->numElements; i++) { | ||
1412 | len += strlen(line->elements[i].item); | ||
1413 | len += strlen(line->elements[i].indent); | ||
1414 | } | ||
1415 | buf = malloc(len + 1); | ||
1416 | *buf = '\0'; | ||
1417 | niro | 532 | |
1418 | niro | 3002 | for (int i = 1; i < line->numElements; i++) { |
1419 | strcat(buf, line->elements[i].item); | ||
1420 | free(line->elements[i].item); | ||
1421 | niro | 532 | |
1422 | niro | 3002 | if ((i + 1) != line->numElements) { |
1423 | strcat(buf, line->elements[i].indent); | ||
1424 | free(line->elements[i].indent); | ||
1425 | } | ||
1426 | } | ||
1427 | niro | 532 | |
1428 | niro | 3002 | line->elements[1].indent = |
1429 | line->elements[line->numElements - 1].indent; | ||
1430 | line->elements[1].item = buf; | ||
1431 | line->numElements = 2; | ||
1432 | } else if (line->type == LT_MENUENTRY && line->numElements > 3) { | ||
1433 | /* let --remove-kernel="TITLE=what" work */ | ||
1434 | len = 0; | ||
1435 | char *extras; | ||
1436 | char *title; | ||
1437 | /* initially unseen value */ | ||
1438 | char quote_char = '\0'; | ||
1439 | niro | 914 | |
1440 | niro | 3002 | for (int i = 1; i < line->numElements; i++) { |
1441 | len += strlen(line->elements[i].item); | ||
1442 | len += strlen(line->elements[i].indent); | ||
1443 | } | ||
1444 | buf = malloc(len + 1); | ||
1445 | *buf = '\0'; | ||
1446 | niro | 1801 | |
1447 | niro | 3002 | /* allocate mem for extra flags. */ |
1448 | extras = malloc(len + 1); | ||
1449 | *extras = '\0'; | ||
1450 | niro | 1801 | |
1451 | niro | 3149 | int buf_len = 0; |
1452 | niro | 3002 | /* get title. */ |
1453 | for (int i = 0; i < line->numElements; i++) { | ||
1454 | if (!strcmp | ||
1455 | (line->elements[i].item, "menuentry")) | ||
1456 | continue; | ||
1457 | if (isquote(*line->elements[i].item) | ||
1458 | && quote_char == '\0') { | ||
1459 | /* ensure we properly pair off quotes */ | ||
1460 | quote_char = *line->elements[i].item; | ||
1461 | title = line->elements[i].item + 1; | ||
1462 | } else { | ||
1463 | title = line->elements[i].item; | ||
1464 | } | ||
1465 | niro | 1801 | |
1466 | niro | 3002 | len = strlen(title); |
1467 | if (title[len - 1] == quote_char) { | ||
1468 | niro | 3149 | memcpy(buf + buf_len, title, len - 1); |
1469 | buf_len += (len - 1); | ||
1470 | niro | 3002 | break; |
1471 | } else { | ||
1472 | niro | 3149 | memcpy(buf + buf_len, title, len); |
1473 | buf_len += len; | ||
1474 | len = strlen(line->elements[i].indent); | ||
1475 | memcpy(buf + buf_len, line->elements[i].indent, len); | ||
1476 | buf_len += len; | ||
1477 | niro | 3002 | } |
1478 | } | ||
1479 | niro | 3149 | buf[buf_len] = '\0'; |
1480 | niro | 1801 | |
1481 | niro | 3002 | /* get extras */ |
1482 | int count = 0; | ||
1483 | quote_char = '\0'; | ||
1484 | for (int i = 0; i < line->numElements; i++) { | ||
1485 | if (count >= 2) { | ||
1486 | strcat(extras, line->elements[i].item); | ||
1487 | strcat(extras, | ||
1488 | line->elements[i].indent); | ||
1489 | } | ||
1490 | niro | 1801 | |
1491 | niro | 3002 | if (!strcmp |
1492 | (line->elements[i].item, "menuentry")) | ||
1493 | continue; | ||
1494 | niro | 1801 | |
1495 | niro | 3002 | /* count ' or ", there should be two in menuentry line. */ |
1496 | if (isquote(*line->elements[i].item) | ||
1497 | && quote_char == '\0') { | ||
1498 | /* ensure we properly pair off quotes */ | ||
1499 | quote_char = *line->elements[i].item; | ||
1500 | count++; | ||
1501 | } | ||
1502 | niro | 1801 | |
1503 | niro | 3002 | len = strlen(line->elements[i].item); |
1504 | niro | 1801 | |
1505 | niro | 3002 | if (line->elements[i].item[len - 1] == |
1506 | quote_char) | ||
1507 | count++; | ||
1508 | niro | 1801 | |
1509 | niro | 3002 | /* ok, we get the final ' or ", others are extras. */ |
1510 | } | ||
1511 | line->elements[1].indent = | ||
1512 | line->elements[line->numElements - 2].indent; | ||
1513 | line->elements[1].item = buf; | ||
1514 | line->elements[2].indent = | ||
1515 | line->elements[line->numElements - 2].indent; | ||
1516 | line->elements[2].item = extras; | ||
1517 | line->numElements = 3; | ||
1518 | } else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) { | ||
1519 | /* Strip off any " which may be present; they'll be | ||
1520 | * put back on write. This is one of the few (the | ||
1521 | * only?) places that grubby canonicalizes the output | ||
1522 | */ | ||
1523 | if (line->numElements >= 2) { | ||
1524 | int last, len; | ||
1525 | niro | 532 | |
1526 | niro | 3002 | if (isquote(*line->elements[1].item)) |
1527 | memmove(line->elements[1].item, | ||
1528 | line->elements[1].item + 1, | ||
1529 | strlen(line->elements[1].item + | ||
1530 | 1) + 1); | ||
1531 | niro | 532 | |
1532 | niro | 3002 | last = line->numElements - 1; |
1533 | len = strlen(line->elements[last].item) - 1; | ||
1534 | if (isquote(line->elements[last].item[len])) | ||
1535 | line->elements[last].item[len] = '\0'; | ||
1536 | } | ||
1537 | } | ||
1538 | niro | 532 | |
1539 | niro | 3002 | if (line->type == LT_DEFAULT && line->numElements == 2) { |
1540 | cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT; | ||
1541 | defaultLine = line; | ||
1542 | } | ||
1543 | niro | 532 | |
1544 | niro | 3002 | /* If we find a generic config option which should live at the |
1545 | top of the file, move it there. Old versions of grubby were | ||
1546 | probably responsible for putting new images in the wrong | ||
1547 | place in front of it anyway. */ | ||
1548 | if (sawEntry && line->type == LT_GENERIC) { | ||
1549 | struct singleLine **l = &cfg->theLines; | ||
1550 | struct singleLine **last_nonws = &cfg->theLines; | ||
1551 | while (*l) { | ||
1552 | if ((*l)->type != LT_WHITESPACE) | ||
1553 | last_nonws = &((*l)->next); | ||
1554 | l = &((*l)->next); | ||
1555 | } | ||
1556 | line->next = *last_nonws; | ||
1557 | *last_nonws = line; | ||
1558 | movedLine = 1; | ||
1559 | continue; /* without setting 'last' */ | ||
1560 | } | ||
1561 | niro | 2692 | |
1562 | niro | 3002 | /* If a second line of whitespace happens after a generic |
1563 | * option which was moved, drop it. */ | ||
1564 | if (movedLine && line->type == LT_WHITESPACE | ||
1565 | && last->type == LT_WHITESPACE) { | ||
1566 | lineFree(line); | ||
1567 | free(line); | ||
1568 | movedLine = 0; | ||
1569 | continue; | ||
1570 | niro | 532 | } |
1571 | movedLine = 0; | ||
1572 | |||
1573 | niro | 3002 | if (sawEntry) { |
1574 | if (!entry->lines) | ||
1575 | entry->lines = line; | ||
1576 | else | ||
1577 | last->next = line; | ||
1578 | dbgPrintf("readConfig added %s to %p\n", | ||
1579 | getKeyByType(line->type, cfi), entry); | ||
1580 | niro | 1696 | |
1581 | niro | 3002 | /* we could have seen this outside of an entry... if |
1582 | * so, we ignore it like any other line we don't grok | ||
1583 | */ | ||
1584 | if (line->type == LT_ENTRY_END && sawEntry) | ||
1585 | sawEntry = 0; | ||
1586 | } else { | ||
1587 | if (!cfg->theLines) | ||
1588 | cfg->theLines = line; | ||
1589 | else | ||
1590 | last->next = line; | ||
1591 | dbgPrintf("readConfig added %s to cfg\n", | ||
1592 | getKeyByType(line->type, cfi)); | ||
1593 | } | ||
1594 | |||
1595 | last = line; | ||
1596 | niro | 532 | } |
1597 | |||
1598 | niro | 3002 | free(incoming); |
1599 | niro | 532 | |
1600 | niro | 3002 | dbgPrintf("defaultLine is %s\n", defaultLine ? "set" : "unset"); |
1601 | if (defaultLine) { | ||
1602 | if (defaultLine->numElements > 2 && | ||
1603 | cfi->defaultSupportSaved && | ||
1604 | !strncmp(defaultLine->elements[2].item, | ||
1605 | "\"${saved_entry}\"", 16)) { | ||
1606 | cfg->cfi->defaultIsSaved = 1; | ||
1607 | cfg->defaultImage = DEFAULT_SAVED_GRUB2; | ||
1608 | if (cfg->cfi->getEnv) { | ||
1609 | char *defTitle = | ||
1610 | cfi->getEnv(cfg->cfi, "saved_entry"); | ||
1611 | if (defTitle) { | ||
1612 | int index = 0; | ||
1613 | if (isnumber(defTitle)) { | ||
1614 | index = atoi(defTitle); | ||
1615 | entry = | ||
1616 | findEntryByIndex(cfg, | ||
1617 | index); | ||
1618 | } else { | ||
1619 | entry = | ||
1620 | findEntryByTitle(cfg, | ||
1621 | defTitle, | ||
1622 | &index); | ||
1623 | } | ||
1624 | if (entry) | ||
1625 | cfg->defaultImage = index; | ||
1626 | } | ||
1627 | } | ||
1628 | } else if (cfi->defaultIsVariable) { | ||
1629 | niro | 3003 | if (defaultLine->numElements == 2) { |
1630 | char *value = defaultLine->elements[1].item + 8; | ||
1631 | while (*value && (*value == '"' || | ||
1632 | *value == '\'' || | ||
1633 | *value == ' ' || | ||
1634 | *value == '\t')) | ||
1635 | value++; | ||
1636 | cfg->defaultImage = strtol(value, &end, 10); | ||
1637 | while (*end && (*end == '"' || *end == '\'' || | ||
1638 | *end == ' ' || *end == '\t')) | ||
1639 | end++; | ||
1640 | if (*end) | ||
1641 | niro | 3018 | cfg->defaultImage = NO_DEFAULT_ENTRY; |
1642 | niro | 3003 | } else if (defaultLine->numElements == 3) { |
1643 | char *value = defaultLine->elements[2].item; | ||
1644 | while (*value && (*value == '"' || | ||
1645 | *value == '\'' || | ||
1646 | *value == ' ' || | ||
1647 | *value == '\t')) | ||
1648 | value++; | ||
1649 | cfg->defaultImage = strtol(value, &end, 10); | ||
1650 | while (*end && (*end == '"' || *end == '\'' || | ||
1651 | *end == ' ' || *end == '\t')) | ||
1652 | end++; | ||
1653 | if (*end) | ||
1654 | niro | 3018 | cfg->defaultImage = NO_DEFAULT_ENTRY; |
1655 | niro | 3003 | } |
1656 | niro | 3002 | } else if (cfi->defaultSupportSaved && |
1657 | !strncmp(defaultLine->elements[1].item, "saved", | ||
1658 | 5)) { | ||
1659 | cfg->defaultImage = DEFAULT_SAVED; | ||
1660 | } else if (cfi->defaultIsIndex) { | ||
1661 | cfg->defaultImage = | ||
1662 | strtol(defaultLine->elements[1].item, &end, 10); | ||
1663 | if (*end) | ||
1664 | niro | 3018 | cfg->defaultImage = NO_DEFAULT_ENTRY; |
1665 | niro | 3002 | } else if (defaultLine->numElements >= 2) { |
1666 | int i = 0; | ||
1667 | while ((entry = findEntryByIndex(cfg, i))) { | ||
1668 | for (line = entry->lines; line; | ||
1669 | line = line->next) | ||
1670 | if (line->type == LT_TITLE) | ||
1671 | break; | ||
1672 | niro | 532 | |
1673 | niro | 3002 | if (!cfi->titleBracketed) { |
1674 | if (line && (line->numElements >= 2) && | ||
1675 | !strcmp(defaultLine->elements[1]. | ||
1676 | item, | ||
1677 | line->elements[1].item)) | ||
1678 | break; | ||
1679 | } else if (line) { | ||
1680 | if (!strcmp | ||
1681 | (defaultLine->elements[1].item, | ||
1682 | extractTitle(cfg, line))) | ||
1683 | break; | ||
1684 | } | ||
1685 | i++; | ||
1686 | entry = NULL; | ||
1687 | } | ||
1688 | |||
1689 | if (entry) { | ||
1690 | cfg->defaultImage = i; | ||
1691 | } else { | ||
1692 | niro | 3018 | cfg->defaultImage = NO_DEFAULT_ENTRY; |
1693 | niro | 3002 | } |
1694 | } | ||
1695 | } else if (cfg->cfi->defaultIsSaved && cfg->cfi->getEnv) { | ||
1696 | char *defTitle = cfi->getEnv(cfg->cfi, "saved_entry"); | ||
1697 | if (defTitle) { | ||
1698 | niro | 2252 | int index = 0; |
1699 | niro | 2258 | if (isnumber(defTitle)) { |
1700 | niro | 3002 | index = atoi(defTitle); |
1701 | entry = findEntryByIndex(cfg, index); | ||
1702 | niro | 2258 | } else { |
1703 | niro | 3002 | entry = findEntryByTitle(cfg, defTitle, &index); |
1704 | niro | 2258 | } |
1705 | niro | 2252 | if (entry) |
1706 | niro | 3002 | cfg->defaultImage = index; |
1707 | niro | 2252 | } |
1708 | niro | 3002 | } else { |
1709 | niro | 3018 | cfg->defaultImage = FIRST_ENTRY_INDEX; |
1710 | niro | 532 | } |
1711 | |||
1712 | niro | 3002 | return cfg; |
1713 | niro | 532 | } |
1714 | |||
1715 | niro | 3002 | static void writeDefault(FILE * out, char *indent, |
1716 | char *separator, struct grubConfig *cfg) | ||
1717 | { | ||
1718 | struct singleEntry *entry; | ||
1719 | struct singleLine *line; | ||
1720 | int i; | ||
1721 | niro | 532 | |
1722 | niro | 3002 | if (!cfg->defaultImage && cfg->flags == GRUB_CONFIG_NO_DEFAULT) |
1723 | return; | ||
1724 | niro | 532 | |
1725 | niro | 3002 | if (cfg->defaultImage == DEFAULT_SAVED) |
1726 | fprintf(out, "%sdefault%ssaved\n", indent, separator); | ||
1727 | else if (cfg->cfi->defaultIsSaved) { | ||
1728 | fprintf(out, "%sset default=\"${saved_entry}\"\n", indent); | ||
1729 | niro | 3018 | if (cfg->defaultImage >= FIRST_ENTRY_INDEX && cfg->cfi->setEnv) { |
1730 | niro | 3002 | char *title; |
1731 | niro | 3025 | int trueIndex, currentIndex; |
1732 | |||
1733 | trueIndex = 0; | ||
1734 | currentIndex = 0; | ||
1735 | |||
1736 | while ((entry = findEntryByIndex(cfg, currentIndex))) { | ||
1737 | if (!entry->skip) { | ||
1738 | if (trueIndex == cfg->defaultImage) { | ||
1739 | break; | ||
1740 | } | ||
1741 | trueIndex++; | ||
1742 | } | ||
1743 | currentIndex++; | ||
1744 | } | ||
1745 | niro | 3002 | line = getLineByType(LT_MENUENTRY, entry->lines); |
1746 | if (!line) | ||
1747 | line = getLineByType(LT_TITLE, entry->lines); | ||
1748 | if (line) { | ||
1749 | title = extractTitle(cfg, line); | ||
1750 | if (title) | ||
1751 | cfg->cfi->setEnv(cfg->cfi, | ||
1752 | "saved_entry", title); | ||
1753 | } | ||
1754 | } | ||
1755 | niro | 3018 | } else if (cfg->defaultImage >= FIRST_ENTRY_INDEX) { |
1756 | niro | 3002 | if (cfg->cfi->defaultIsIndex) { |
1757 | if (cfg->cfi->defaultIsVariable) { | ||
1758 | fprintf(out, "%sset default=\"%d\"\n", indent, | ||
1759 | cfg->defaultImage); | ||
1760 | } else { | ||
1761 | fprintf(out, "%sdefault%s%d\n", indent, | ||
1762 | separator, cfg->defaultImage); | ||
1763 | } | ||
1764 | } else { | ||
1765 | int image = cfg->defaultImage; | ||
1766 | niro | 532 | |
1767 | niro | 3002 | entry = cfg->entries; |
1768 | while (entry && entry->skip) | ||
1769 | entry = entry->next; | ||
1770 | niro | 532 | |
1771 | niro | 3002 | i = 0; |
1772 | while (entry && i < image) { | ||
1773 | entry = entry->next; | ||
1774 | niro | 532 | |
1775 | niro | 3002 | while (entry && entry->skip) |
1776 | entry = entry->next; | ||
1777 | i++; | ||
1778 | } | ||
1779 | niro | 532 | |
1780 | niro | 3002 | if (!entry) |
1781 | return; | ||
1782 | niro | 532 | |
1783 | niro | 3002 | line = getLineByType(LT_TITLE, entry->lines); |
1784 | niro | 532 | |
1785 | niro | 3002 | if (line && line->numElements >= 2) |
1786 | fprintf(out, "%sdefault%s%s\n", indent, | ||
1787 | separator, line->elements[1].item); | ||
1788 | else if (line && (line->numElements == 1) | ||
1789 | && cfg->cfi->titleBracketed) { | ||
1790 | char *title = extractTitle(cfg, line); | ||
1791 | if (title) { | ||
1792 | fprintf(out, "%sdefault%s%s\n", indent, | ||
1793 | separator, title); | ||
1794 | free(title); | ||
1795 | } | ||
1796 | } | ||
1797 | niro | 2995 | } |
1798 | niro | 532 | } |
1799 | } | ||
1800 | |||
1801 | niro | 3002 | static int writeConfig(struct grubConfig *cfg, char *outName, |
1802 | const char *prefix) | ||
1803 | { | ||
1804 | FILE *out; | ||
1805 | struct singleLine *line; | ||
1806 | struct singleEntry *entry; | ||
1807 | char *tmpOutName; | ||
1808 | int needs = MAIN_DEFAULT; | ||
1809 | struct stat sb; | ||
1810 | int i; | ||
1811 | niro | 3135 | int rc = 0; |
1812 | niro | 532 | |
1813 | niro | 3002 | if (!strcmp(outName, "-")) { |
1814 | out = stdout; | ||
1815 | tmpOutName = NULL; | ||
1816 | } else { | ||
1817 | if (!lstat(outName, &sb) && S_ISLNK(sb.st_mode)) { | ||
1818 | char *buf; | ||
1819 | int len = 256; | ||
1820 | int rc; | ||
1821 | niro | 532 | |
1822 | niro | 3002 | /* most likely the symlink is relative, so change our |
1823 | directory to the dir of the symlink */ | ||
1824 | char *dir = strdupa(outName); | ||
1825 | rc = chdir(dirname(dir)); | ||
1826 | do { | ||
1827 | buf = alloca(len + 1); | ||
1828 | rc = readlink(basename(outName), buf, len); | ||
1829 | if (rc == len) | ||
1830 | len += 256; | ||
1831 | } while (rc == len); | ||
1832 | niro | 532 | |
1833 | niro | 3002 | if (rc < 0) { |
1834 | fprintf(stderr, | ||
1835 | _ | ||
1836 | ("grubby: error readlink link %s: %s\n"), | ||
1837 | outName, strerror(errno)); | ||
1838 | return 1; | ||
1839 | } | ||
1840 | niro | 532 | |
1841 | niro | 3002 | outName = buf; |
1842 | outName[rc] = '\0'; | ||
1843 | } | ||
1844 | |||
1845 | tmpOutName = alloca(strlen(outName) + 2); | ||
1846 | sprintf(tmpOutName, "%s-", outName); | ||
1847 | out = fopen(tmpOutName, "w"); | ||
1848 | if (!out) { | ||
1849 | fprintf(stderr, _("grubby: error creating %s: %s\n"), | ||
1850 | tmpOutName, strerror(errno)); | ||
1851 | return 1; | ||
1852 | } | ||
1853 | |||
1854 | if (!stat(outName, &sb)) { | ||
1855 | if (chmod(tmpOutName, sb.st_mode & ~(S_IFMT))) { | ||
1856 | fprintf(stderr, | ||
1857 | _ | ||
1858 | ("grubby: error setting perms on %s: %s\n"), | ||
1859 | tmpOutName, strerror(errno)); | ||
1860 | fclose(out); | ||
1861 | unlink(tmpOutName); | ||
1862 | return 1; | ||
1863 | } | ||
1864 | } | ||
1865 | niro | 532 | } |
1866 | |||
1867 | niro | 3002 | line = cfg->theLines; |
1868 | struct keywordTypes *defaultKw = getKeywordByType(LT_DEFAULT, cfg->cfi); | ||
1869 | while (line) { | ||
1870 | if (line->type == LT_SET_VARIABLE && defaultKw && | ||
1871 | line->numElements == 3 && | ||
1872 | !strcmp(line->elements[1].item, defaultKw->key) && | ||
1873 | !is_special_grub2_variable(line->elements[2].item)) { | ||
1874 | writeDefault(out, line->indent, | ||
1875 | line->elements[0].indent, cfg); | ||
1876 | needs &= ~MAIN_DEFAULT; | ||
1877 | } else if (line->type == LT_DEFAULT) { | ||
1878 | writeDefault(out, line->indent, | ||
1879 | line->elements[0].indent, cfg); | ||
1880 | needs &= ~MAIN_DEFAULT; | ||
1881 | } else if (line->type == LT_FALLBACK) { | ||
1882 | if (cfg->fallbackImage > -1) | ||
1883 | fprintf(out, "%s%s%s%d\n", line->indent, | ||
1884 | line->elements[0].item, | ||
1885 | line->elements[0].indent, | ||
1886 | cfg->fallbackImage); | ||
1887 | } else { | ||
1888 | if (lineWrite(out, line, cfg->cfi) == -1) { | ||
1889 | fprintf(stderr, | ||
1890 | _("grubby: error writing %s: %s\n"), | ||
1891 | tmpOutName, strerror(errno)); | ||
1892 | fclose(out); | ||
1893 | unlink(tmpOutName); | ||
1894 | return 1; | ||
1895 | } | ||
1896 | } | ||
1897 | niro | 532 | |
1898 | niro | 3002 | line = line->next; |
1899 | niro | 532 | } |
1900 | |||
1901 | niro | 3002 | if (needs & MAIN_DEFAULT) { |
1902 | writeDefault(out, cfg->primaryIndent, "=", cfg); | ||
1903 | needs &= ~MAIN_DEFAULT; | ||
1904 | } | ||
1905 | niro | 532 | |
1906 | niro | 3002 | i = 0; |
1907 | while ((entry = findEntryByIndex(cfg, i++))) { | ||
1908 | if (entry->skip) | ||
1909 | continue; | ||
1910 | niro | 532 | |
1911 | niro | 3002 | line = entry->lines; |
1912 | while (line) { | ||
1913 | if (lineWrite(out, line, cfg->cfi) == -1) { | ||
1914 | fprintf(stderr, | ||
1915 | _("grubby: error writing %s: %s\n"), | ||
1916 | tmpOutName, strerror(errno)); | ||
1917 | fclose(out); | ||
1918 | unlink(tmpOutName); | ||
1919 | return 1; | ||
1920 | } | ||
1921 | line = line->next; | ||
1922 | } | ||
1923 | niro | 532 | } |
1924 | |||
1925 | niro | 3002 | if (tmpOutName) { |
1926 | niro | 3135 | /* write userspace buffers */ |
1927 | if (fflush(out)) | ||
1928 | rc = 1; | ||
1929 | |||
1930 | /* purge the write-back cache with fsync() */ | ||
1931 | if (fsync(fileno(out))) | ||
1932 | rc = 1; | ||
1933 | |||
1934 | if (fclose(out)) | ||
1935 | rc = 1; | ||
1936 | |||
1937 | if (rc == 0 && rename(tmpOutName, outName)) { | ||
1938 | unlink(tmpOutName); | ||
1939 | rc = 1; | ||
1940 | } | ||
1941 | |||
1942 | /* fsync() the destination directory after rename */ | ||
1943 | if (rc == 0) { | ||
1944 | int dirfd; | ||
1945 | |||
1946 | dirfd = open(dirname(strdupa(outName)), O_RDONLY); | ||
1947 | if (dirfd < 0) | ||
1948 | rc = 1; | ||
1949 | else if (fsync(dirfd)) | ||
1950 | rc = 1; | ||
1951 | |||
1952 | if (dirfd >= 0) | ||
1953 | close(dirfd); | ||
1954 | } | ||
1955 | |||
1956 | if (rc == 1) | ||
1957 | niro | 3002 | fprintf(stderr, |
1958 | niro | 3135 | _("grubby: error flushing data: %m\n")); |
1959 | niro | 532 | } |
1960 | |||
1961 | niro | 3135 | return rc; |
1962 | niro | 532 | } |
1963 | |||
1964 | niro | 3002 | static int numEntries(struct grubConfig *cfg) |
1965 | { | ||
1966 | int i = 0; | ||
1967 | struct singleEntry *entry; | ||
1968 | niro | 532 | |
1969 | niro | 3002 | entry = cfg->entries; |
1970 | while (entry) { | ||
1971 | if (!entry->skip) | ||
1972 | i++; | ||
1973 | entry = entry->next; | ||
1974 | } | ||
1975 | return i; | ||
1976 | niro | 532 | } |
1977 | |||
1978 | niro | 1156 | static char *findDiskForRoot() |
1979 | { | ||
1980 | niro | 3002 | int fd; |
1981 | char buf[65536]; | ||
1982 | char *devname; | ||
1983 | char *chptr; | ||
1984 | int rc; | ||
1985 | niro | 1156 | |
1986 | niro | 3002 | if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) { |
1987 | fprintf(stderr, "grubby: failed to open %s: %s\n", | ||
1988 | _PATH_MOUNTED, strerror(errno)); | ||
1989 | return NULL; | ||
1990 | } | ||
1991 | niro | 1156 | |
1992 | niro | 3002 | rc = read(fd, buf, sizeof(buf) - 1); |
1993 | if (rc <= 0) { | ||
1994 | fprintf(stderr, "grubby: failed to read %s: %s\n", | ||
1995 | _PATH_MOUNTED, strerror(errno)); | ||
1996 | close(fd); | ||
1997 | return NULL; | ||
1998 | } | ||
1999 | close(fd); | ||
2000 | buf[rc] = '\0'; | ||
2001 | chptr = buf; | ||
2002 | niro | 1156 | |
2003 | niro | 3002 | char *foundanswer = NULL; |
2004 | niro | 1841 | |
2005 | niro | 3002 | while (chptr && chptr != buf + rc) { |
2006 | devname = chptr; | ||
2007 | niro | 1156 | |
2008 | niro | 3002 | /* |
2009 | * The first column of a mtab entry is the device, but if the | ||
2010 | * entry is a special device it won't start with /, so move | ||
2011 | * on to the next line. | ||
2012 | */ | ||
2013 | if (*devname != '/') { | ||
2014 | chptr = strchr(chptr, '\n'); | ||
2015 | if (chptr) | ||
2016 | chptr++; | ||
2017 | continue; | ||
2018 | } | ||
2019 | niro | 1156 | |
2020 | niro | 3002 | /* Seek to the next space */ |
2021 | chptr = strchr(chptr, ' '); | ||
2022 | if (!chptr) { | ||
2023 | fprintf(stderr, "grubby: error parsing %s: %s\n", | ||
2024 | _PATH_MOUNTED, strerror(errno)); | ||
2025 | return NULL; | ||
2026 | } | ||
2027 | niro | 1156 | |
2028 | niro | 3002 | /* |
2029 | * The second column of a mtab entry is the mount point, we | ||
2030 | * are looking for '/' obviously. | ||
2031 | */ | ||
2032 | if (*(++chptr) == '/' && *(++chptr) == ' ') { | ||
2033 | /* remember the last / entry in mtab */ | ||
2034 | foundanswer = devname; | ||
2035 | } | ||
2036 | niro | 1156 | |
2037 | niro | 3002 | /* Next line */ |
2038 | chptr = strchr(chptr, '\n'); | ||
2039 | if (chptr) | ||
2040 | chptr++; | ||
2041 | } | ||
2042 | niro | 1156 | |
2043 | niro | 3002 | /* Return the last / entry found */ |
2044 | if (foundanswer) { | ||
2045 | chptr = strchr(foundanswer, ' '); | ||
2046 | *chptr = '\0'; | ||
2047 | return strdup(foundanswer); | ||
2048 | } | ||
2049 | niro | 1841 | |
2050 | niro | 3002 | return NULL; |
2051 | niro | 1156 | } |
2052 | |||
2053 | niro | 3002 | void printEntry(struct singleEntry *entry, FILE * f) |
2054 | { | ||
2055 | int i; | ||
2056 | struct singleLine *line; | ||
2057 | niro | 1736 | |
2058 | niro | 3002 | for (line = entry->lines; line; line = line->next) { |
2059 | log_message(f, "DBG: %s", line->indent); | ||
2060 | for (i = 0; i < line->numElements; i++) { | ||
2061 | /* Need to handle this, because we strip the quotes from | ||
2062 | * menuentry when read it. */ | ||
2063 | if (line->type == LT_MENUENTRY && i == 1) { | ||
2064 | if (!isquote(*line->elements[i].item)) | ||
2065 | log_message(f, "\'%s\'", | ||
2066 | line->elements[i].item); | ||
2067 | else | ||
2068 | log_message(f, "%s", | ||
2069 | line->elements[i].item); | ||
2070 | log_message(f, "%s", line->elements[i].indent); | ||
2071 | |||
2072 | continue; | ||
2073 | } | ||
2074 | |||
2075 | log_message(f, "%s%s", | ||
2076 | line->elements[i].item, | ||
2077 | line->elements[i].indent); | ||
2078 | } | ||
2079 | log_message(f, "\n"); | ||
2080 | niro | 1736 | } |
2081 | } | ||
2082 | |||
2083 | niro | 3002 | void notSuitablePrintf(struct singleEntry *entry, int okay, const char *fmt, |
2084 | ...) | ||
2085 | niro | 1736 | { |
2086 | niro | 3002 | static int once; |
2087 | va_list argp, argq; | ||
2088 | niro | 1736 | |
2089 | niro | 3002 | va_start(argp, fmt); |
2090 | niro | 2236 | |
2091 | niro | 3002 | va_copy(argq, argp); |
2092 | if (!once) { | ||
2093 | log_time(NULL); | ||
2094 | log_message(NULL, "command line: %s\n", saved_command_line); | ||
2095 | } | ||
2096 | log_message(NULL, "DBG: Image entry %s: ", | ||
2097 | okay ? "succeeded" : "failed"); | ||
2098 | log_vmessage(NULL, fmt, argq); | ||
2099 | niro | 2236 | |
2100 | niro | 3002 | printEntry(entry, NULL); |
2101 | va_end(argq); | ||
2102 | |||
2103 | if (!debug) { | ||
2104 | once = 1; | ||
2105 | va_end(argp); | ||
2106 | return; | ||
2107 | } | ||
2108 | |||
2109 | if (okay) { | ||
2110 | va_end(argp); | ||
2111 | return; | ||
2112 | } | ||
2113 | |||
2114 | if (!once) | ||
2115 | log_message(stderr, "DBG: command line: %s\n", | ||
2116 | saved_command_line); | ||
2117 | niro | 2236 | once = 1; |
2118 | niro | 3002 | fprintf(stderr, "DBG: Image entry failed: "); |
2119 | vfprintf(stderr, fmt, argp); | ||
2120 | printEntry(entry, stderr); | ||
2121 | niro | 2236 | va_end(argp); |
2122 | niro | 1736 | } |
2123 | |||
2124 | niro | 1745 | #define beginswith(s, c) ((s) && (s)[0] == (c)) |
2125 | |||
2126 | static int endswith(const char *s, char c) | ||
2127 | { | ||
2128 | int slen; | ||
2129 | |||
2130 | niro | 1750 | if (!s || !s[0]) |
2131 | niro | 1745 | return 0; |
2132 | slen = strlen(s) - 1; | ||
2133 | |||
2134 | return s[slen] == c; | ||
2135 | } | ||
2136 | |||
2137 | niro | 3139 | typedef struct { |
2138 | const char *start; | ||
2139 | size_t chars; | ||
2140 | } field; | ||
2141 | |||
2142 | static int iscomma(int c) | ||
2143 | { | ||
2144 | return c == ','; | ||
2145 | } | ||
2146 | |||
2147 | static int isequal(int c) | ||
2148 | { | ||
2149 | return c == '='; | ||
2150 | } | ||
2151 | |||
2152 | static field findField(const field *in, typeof(isspace) *isdelim, field *out) | ||
2153 | { | ||
2154 | field nxt = {}; | ||
2155 | size_t off = 0; | ||
2156 | |||
2157 | while (off < in->chars && isdelim(in->start[off])) | ||
2158 | off++; | ||
2159 | |||
2160 | if (off == in->chars) | ||
2161 | return nxt; | ||
2162 | |||
2163 | out->start = &in->start[off]; | ||
2164 | out->chars = 0; | ||
2165 | |||
2166 | while (off + out->chars < in->chars && !isdelim(out->start[out->chars])) | ||
2167 | out->chars++; | ||
2168 | |||
2169 | nxt.start = out->start + out->chars; | ||
2170 | nxt.chars = in->chars - off - out->chars; | ||
2171 | return nxt; | ||
2172 | } | ||
2173 | |||
2174 | static int fieldEquals(const field *in, const char *str) | ||
2175 | { | ||
2176 | return in->chars == strlen(str) && | ||
2177 | strncmp(in->start, str, in->chars) == 0; | ||
2178 | } | ||
2179 | |||
2180 | /* Parse /proc/mounts to determine the subvolume prefix. */ | ||
2181 | static size_t subvolPrefix(const char *str) | ||
2182 | { | ||
2183 | FILE *file = NULL; | ||
2184 | char *line = NULL; | ||
2185 | size_t prfx = 0; | ||
2186 | size_t size = 0; | ||
2187 | |||
2188 | file = fopen(mounts, "r"); | ||
2189 | if (!file) | ||
2190 | return 0; | ||
2191 | |||
2192 | for (ssize_t s; (s = getline(&line, &size, file)) >= 0; ) { | ||
2193 | field nxt = { line, s }; | ||
2194 | field dev = {}; | ||
2195 | field path = {}; | ||
2196 | field type = {}; | ||
2197 | field opts = {}; | ||
2198 | field opt = {}; | ||
2199 | |||
2200 | nxt = findField(&nxt, isspace, &dev); | ||
2201 | if (!nxt.start) | ||
2202 | continue; | ||
2203 | |||
2204 | nxt = findField(&nxt, isspace, &path); | ||
2205 | if (!nxt.start) | ||
2206 | continue; | ||
2207 | |||
2208 | nxt = findField(&nxt, isspace, &type); | ||
2209 | if (!nxt.start) | ||
2210 | continue; | ||
2211 | |||
2212 | nxt = findField(&nxt, isspace, &opts); | ||
2213 | if (!nxt.start) | ||
2214 | continue; | ||
2215 | |||
2216 | if (!fieldEquals(&type, "btrfs")) | ||
2217 | continue; | ||
2218 | |||
2219 | /* We have found a btrfs mount point. */ | ||
2220 | |||
2221 | nxt = opts; | ||
2222 | while ((nxt = findField(&nxt, iscomma, &opt)).start) { | ||
2223 | field key = {}; | ||
2224 | field val = {}; | ||
2225 | |||
2226 | opt = findField(&opt, isequal, &key); | ||
2227 | if (!opt.start) | ||
2228 | continue; | ||
2229 | |||
2230 | opt = findField(&opt, isequal, &val); | ||
2231 | if (!opt.start) | ||
2232 | continue; | ||
2233 | |||
2234 | if (!fieldEquals(&key, "subvol")) | ||
2235 | continue; | ||
2236 | |||
2237 | /* We have found a btrfs subvolume mount point. */ | ||
2238 | |||
2239 | if (strncmp(val.start, str, val.chars)) | ||
2240 | continue; | ||
2241 | |||
2242 | if (val.start[val.chars - 1] != '/' && | ||
2243 | str[val.chars] != '/') | ||
2244 | continue; | ||
2245 | |||
2246 | /* The subvolume mount point matches our input. */ | ||
2247 | |||
2248 | if (prfx < val.chars) | ||
2249 | prfx = val.chars; | ||
2250 | } | ||
2251 | } | ||
2252 | |||
2253 | dbgPrintf("%s(): str: '%s', prfx: '%s'\n", __FUNCTION__, str, prfx); | ||
2254 | |||
2255 | fclose(file); | ||
2256 | free(line); | ||
2257 | return prfx; | ||
2258 | } | ||
2259 | |||
2260 | niro | 3002 | int suitableImage(struct singleEntry *entry, const char *bootPrefix, |
2261 | int skipRemoved, int flags) | ||
2262 | { | ||
2263 | struct singleLine *line; | ||
2264 | char *fullName; | ||
2265 | int i; | ||
2266 | char *dev; | ||
2267 | niro | 3138 | size_t rs; |
2268 | niro | 3002 | char *rootdev; |
2269 | niro | 532 | |
2270 | niro | 3002 | if (skipRemoved && entry->skip) { |
2271 | notSuitablePrintf(entry, 0, "marked to skip\n"); | ||
2272 | return 0; | ||
2273 | } | ||
2274 | niro | 532 | |
2275 | niro | 3002 | line = |
2276 | getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI | LT_KERNEL_16, | ||
2277 | entry->lines); | ||
2278 | if (!line) { | ||
2279 | notSuitablePrintf(entry, 0, "no line found\n"); | ||
2280 | return 0; | ||
2281 | } | ||
2282 | if (line->numElements < 2) { | ||
2283 | notSuitablePrintf(entry, 0, "line has only %d elements\n", | ||
2284 | line->numElements); | ||
2285 | return 0; | ||
2286 | } | ||
2287 | niro | 914 | |
2288 | niro | 3002 | if (flags & GRUBBY_BADIMAGE_OKAY) { |
2289 | notSuitablePrintf(entry, 1, "\n"); | ||
2290 | return 1; | ||
2291 | } | ||
2292 | niro | 532 | |
2293 | niro | 3002 | fullName = alloca(strlen(bootPrefix) + |
2294 | strlen(line->elements[1].item) + 1); | ||
2295 | niro | 3138 | rs = getRootSpecifier(line->elements[1].item); |
2296 | niro | 3002 | int hasslash = endswith(bootPrefix, '/') || |
2297 | niro | 3138 | beginswith(line->elements[1].item + rs, '/'); |
2298 | niro | 3002 | sprintf(fullName, "%s%s%s", bootPrefix, hasslash ? "" : "/", |
2299 | niro | 3138 | line->elements[1].item + rs); |
2300 | niro | 3002 | if (access(fullName, R_OK)) { |
2301 | notSuitablePrintf(entry, 0, "access to %s failed\n", fullName); | ||
2302 | return 0; | ||
2303 | } | ||
2304 | for (i = 2; i < line->numElements; i++) | ||
2305 | if (!strncasecmp(line->elements[i].item, "root=", 5)) | ||
2306 | break; | ||
2307 | if (i < line->numElements) { | ||
2308 | dev = line->elements[i].item + 5; | ||
2309 | niro | 532 | } else { |
2310 | niro | 3002 | /* look for a lilo style LT_ROOT line */ |
2311 | line = getLineByType(LT_ROOT, entry->lines); | ||
2312 | niro | 532 | |
2313 | niro | 3002 | if (line && line->numElements >= 2) { |
2314 | dev = line->elements[1].item; | ||
2315 | } else { | ||
2316 | /* didn't succeed in finding a LT_ROOT, let's try | ||
2317 | * LT_KERNELARGS. grub+multiboot uses LT_MBMODULE | ||
2318 | * for the args, so check that too. | ||
2319 | */ | ||
2320 | line = | ||
2321 | getLineByType(LT_KERNELARGS | LT_MBMODULE, | ||
2322 | entry->lines); | ||
2323 | niro | 532 | |
2324 | niro | 3002 | /* failed to find one */ |
2325 | if (!line) { | ||
2326 | notSuitablePrintf(entry, 0, "no line found\n"); | ||
2327 | return 0; | ||
2328 | } | ||
2329 | |||
2330 | for (i = 1; i < line->numElements; i++) | ||
2331 | if (!strncasecmp | ||
2332 | (line->elements[i].item, "root=", 5)) | ||
2333 | break; | ||
2334 | if (i < line->numElements) | ||
2335 | dev = line->elements[i].item + 5; | ||
2336 | else { | ||
2337 | notSuitablePrintf(entry, 0, | ||
2338 | "no root= entry found\n"); | ||
2339 | /* it failed too... can't find root= */ | ||
2340 | return 0; | ||
2341 | } | ||
2342 | } | ||
2343 | niro | 532 | } |
2344 | |||
2345 | niro | 1736 | dev = getpathbyspec(dev); |
2346 | niro | 3002 | if (!getpathbyspec(dev)) { |
2347 | notSuitablePrintf(entry, 0, "can't find blkid entry for %s\n", | ||
2348 | dev); | ||
2349 | return 0; | ||
2350 | } else | ||
2351 | dev = getpathbyspec(dev); | ||
2352 | niro | 532 | |
2353 | niro | 3002 | rootdev = findDiskForRoot(); |
2354 | if (!rootdev) { | ||
2355 | notSuitablePrintf(entry, 0, "can't find root device\n"); | ||
2356 | return 0; | ||
2357 | } | ||
2358 | niro | 914 | |
2359 | niro | 3002 | if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) { |
2360 | notSuitablePrintf(entry, 0, | ||
2361 | "uuid missing: rootdev %s, dev %s\n", | ||
2362 | getuuidbydev(rootdev), getuuidbydev(dev)); | ||
2363 | free(rootdev); | ||
2364 | return 0; | ||
2365 | } | ||
2366 | niro | 532 | |
2367 | niro | 3002 | if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) { |
2368 | notSuitablePrintf(entry, 0, | ||
2369 | "uuid mismatch: rootdev %s, dev %s\n", | ||
2370 | getuuidbydev(rootdev), getuuidbydev(dev)); | ||
2371 | free(rootdev); | ||
2372 | return 0; | ||
2373 | } | ||
2374 | |||
2375 | niro | 1156 | free(rootdev); |
2376 | niro | 3002 | notSuitablePrintf(entry, 1, "\n"); |
2377 | niro | 532 | |
2378 | niro | 3002 | return 1; |
2379 | niro | 532 | } |
2380 | |||
2381 | /* returns the first match on or after the one pointed to by index (if index | ||
2382 | is not NULL) which is not marked as skip */ | ||
2383 | niro | 3002 | struct singleEntry *findEntryByPath(struct grubConfig *config, |
2384 | const char *kernel, const char *prefix, | ||
2385 | int *index) | ||
2386 | { | ||
2387 | struct singleEntry *entry = NULL; | ||
2388 | struct singleLine *line; | ||
2389 | int i; | ||
2390 | char *chptr; | ||
2391 | enum lineType_e checkType = LT_KERNEL; | ||
2392 | niro | 532 | |
2393 | niro | 3002 | if (isdigit(*kernel)) { |
2394 | int *indexVars = alloca(sizeof(*indexVars) * strlen(kernel)); | ||
2395 | niro | 532 | |
2396 | niro | 3002 | i = 0; |
2397 | indexVars[i] = strtol(kernel, &chptr, 10); | ||
2398 | while (*chptr == ',') { | ||
2399 | i++; | ||
2400 | kernel = chptr + 1; | ||
2401 | indexVars[i] = strtol(kernel, &chptr, 10); | ||
2402 | } | ||
2403 | niro | 532 | |
2404 | niro | 3002 | if (*chptr) { |
2405 | /* can't parse it, bail */ | ||
2406 | return NULL; | ||
2407 | } | ||
2408 | niro | 532 | |
2409 | niro | 3002 | indexVars[i + 1] = -1; |
2410 | niro | 2718 | |
2411 | niro | 3002 | i = 0; |
2412 | if (index) { | ||
2413 | while (i < *index) { | ||
2414 | i++; | ||
2415 | if (indexVars[i] == -1) | ||
2416 | return NULL; | ||
2417 | } | ||
2418 | } | ||
2419 | |||
2420 | entry = findEntryByIndex(config, indexVars[i]); | ||
2421 | if (!entry) | ||
2422 | return NULL; | ||
2423 | |||
2424 | line = | ||
2425 | getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI | | ||
2426 | LT_KERNEL_16, entry->lines); | ||
2427 | if (!line) | ||
2428 | return NULL; | ||
2429 | |||
2430 | if (index) | ||
2431 | *index = indexVars[i]; | ||
2432 | return entry; | ||
2433 | niro | 532 | } |
2434 | |||
2435 | niro | 3002 | if (!strcmp(kernel, "DEFAULT")) { |
2436 | if (index && *index > config->defaultImage) { | ||
2437 | entry = NULL; | ||
2438 | } else { | ||
2439 | entry = findEntryByIndex(config, config->defaultImage); | ||
2440 | if (entry && entry->skip) | ||
2441 | entry = NULL; | ||
2442 | else if (index) | ||
2443 | *index = config->defaultImage; | ||
2444 | } | ||
2445 | } else if (!strcmp(kernel, "ALL")) { | ||
2446 | if (index) | ||
2447 | i = *index; | ||
2448 | else | ||
2449 | i = 0; | ||
2450 | niro | 532 | |
2451 | niro | 3002 | while ((entry = findEntryByIndex(config, i))) { |
2452 | if (!entry->skip) | ||
2453 | break; | ||
2454 | i++; | ||
2455 | } | ||
2456 | niro | 532 | |
2457 | niro | 3002 | if (entry && index) |
2458 | *index = i; | ||
2459 | niro | 532 | } else { |
2460 | niro | 3002 | if (index) |
2461 | i = *index; | ||
2462 | else | ||
2463 | i = 0; | ||
2464 | niro | 532 | |
2465 | niro | 3002 | if (!strncmp(kernel, "TITLE=", 6)) { |
2466 | prefix = ""; | ||
2467 | checkType = LT_TITLE | LT_MENUENTRY; | ||
2468 | kernel += 6; | ||
2469 | } | ||
2470 | niro | 532 | |
2471 | niro | 3002 | for (entry = findEntryByIndex(config, i); entry; |
2472 | entry = entry->next, i++) { | ||
2473 | if (entry->skip) | ||
2474 | continue; | ||
2475 | niro | 532 | |
2476 | niro | 3002 | dbgPrintf("findEntryByPath looking for %d %s in %p\n", |
2477 | checkType, kernel, entry); | ||
2478 | niro | 532 | |
2479 | niro | 3002 | /* check all the lines matching checkType */ |
2480 | for (line = entry->lines; line; line = line->next) { | ||
2481 | enum lineType_e ct = checkType; | ||
2482 | if (entry->multiboot && checkType == LT_KERNEL) | ||
2483 | ct = LT_KERNEL | LT_KERNEL_EFI | | ||
2484 | LT_MBMODULE | LT_HYPER | | ||
2485 | LT_KERNEL_16; | ||
2486 | else if (checkType & LT_KERNEL) | ||
2487 | ct = checkType | LT_KERNEL_EFI | | ||
2488 | LT_KERNEL_16; | ||
2489 | line = getLineByType(ct, line); | ||
2490 | if (!line) | ||
2491 | break; /* not found in this entry */ | ||
2492 | niro | 532 | |
2493 | niro | 3002 | if (line && line->type != LT_MENUENTRY && |
2494 | line->numElements >= 2) { | ||
2495 | niro | 3138 | if (!strcmp(line->elements[1].item + |
2496 | getRootSpecifier( | ||
2497 | line->elements[1].item), | ||
2498 | kernel + strlen(prefix))) | ||
2499 | niro | 3002 | break; |
2500 | } | ||
2501 | if (line->type == LT_MENUENTRY && | ||
2502 | !strcmp(line->elements[1].item, kernel)) | ||
2503 | break; | ||
2504 | } | ||
2505 | niro | 532 | |
2506 | niro | 3002 | /* make sure this entry has a kernel identifier; this skips |
2507 | * non-Linux boot entries (could find netbsd etc, though, which is | ||
2508 | * unfortunate) | ||
2509 | */ | ||
2510 | if (line | ||
2511 | && getLineByType(LT_KERNEL | LT_HYPER | | ||
2512 | LT_KERNEL_EFI | LT_KERNEL_16, | ||
2513 | entry->lines)) | ||
2514 | break; /* found 'im! */ | ||
2515 | niro | 914 | } |
2516 | |||
2517 | niro | 3002 | if (index) |
2518 | *index = i; | ||
2519 | niro | 532 | } |
2520 | |||
2521 | niro | 3002 | return entry; |
2522 | niro | 532 | } |
2523 | |||
2524 | niro | 3002 | struct singleEntry *findEntryByTitle(struct grubConfig *cfg, char *title, |
2525 | int *index) | ||
2526 | { | ||
2527 | struct singleEntry *entry; | ||
2528 | struct singleLine *line; | ||
2529 | int i; | ||
2530 | char *newtitle; | ||
2531 | niro | 2252 | |
2532 | niro | 3002 | for (i = 0, entry = cfg->entries; entry; entry = entry->next, i++) { |
2533 | if (index && i < *index) | ||
2534 | continue; | ||
2535 | line = getLineByType(LT_TITLE, entry->lines); | ||
2536 | if (!line) | ||
2537 | line = getLineByType(LT_MENUENTRY, entry->lines); | ||
2538 | if (!line) | ||
2539 | continue; | ||
2540 | newtitle = grub2ExtractTitle(line); | ||
2541 | if (!newtitle) | ||
2542 | continue; | ||
2543 | if (!strcmp(title, newtitle)) | ||
2544 | break; | ||
2545 | } | ||
2546 | niro | 2252 | |
2547 | niro | 3002 | if (!entry) |
2548 | return NULL; | ||
2549 | niro | 2252 | |
2550 | niro | 3002 | if (index) |
2551 | *index = i; | ||
2552 | return entry; | ||
2553 | niro | 2252 | } |
2554 | |||
2555 | niro | 3002 | struct singleEntry *findEntryByIndex(struct grubConfig *cfg, int index) |
2556 | { | ||
2557 | struct singleEntry *entry; | ||
2558 | niro | 532 | |
2559 | niro | 3002 | entry = cfg->entries; |
2560 | while (index && entry) { | ||
2561 | entry = entry->next; | ||
2562 | index--; | ||
2563 | } | ||
2564 | niro | 532 | |
2565 | niro | 3002 | return entry; |
2566 | niro | 532 | } |
2567 | |||
2568 | /* Find a good template to use for the new kernel. An entry is | ||
2569 | * good if the kernel and mkinitrd exist (even if the entry | ||
2570 | * is going to be removed). Try and use the default entry, but | ||
2571 | * if that doesn't work just take the first. If we can't find one, | ||
2572 | * bail. */ | ||
2573 | niro | 3002 | struct singleEntry *findTemplate(struct grubConfig *cfg, const char *prefix, |
2574 | int *indexPtr, int skipRemoved, int flags) | ||
2575 | { | ||
2576 | struct singleEntry *entry, *entry2; | ||
2577 | int index; | ||
2578 | niro | 532 | |
2579 | niro | 3002 | if (cfg->cfi->defaultIsSaved) { |
2580 | if (cfg->cfi->getEnv) { | ||
2581 | char *defTitle = | ||
2582 | cfg->cfi->getEnv(cfg->cfi, "saved_entry"); | ||
2583 | if (defTitle) { | ||
2584 | int index = 0; | ||
2585 | if (isnumber(defTitle)) { | ||
2586 | index = atoi(defTitle); | ||
2587 | entry = findEntryByIndex(cfg, index); | ||
2588 | } else { | ||
2589 | entry = | ||
2590 | findEntryByTitle(cfg, defTitle, | ||
2591 | &index); | ||
2592 | } | ||
2593 | if (entry | ||
2594 | && suitableImage(entry, prefix, skipRemoved, | ||
2595 | flags)) { | ||
2596 | cfg->defaultImage = index; | ||
2597 | if (indexPtr) | ||
2598 | *indexPtr = index; | ||
2599 | return entry; | ||
2600 | } | ||
2601 | } | ||
2602 | niro | 2258 | } |
2603 | niro | 3018 | } else if (cfg->defaultImage >= FIRST_ENTRY_INDEX) { |
2604 | niro | 3002 | entry = findEntryByIndex(cfg, cfg->defaultImage); |
2605 | niro | 2959 | if (entry && suitableImage(entry, prefix, skipRemoved, flags)) { |
2606 | niro | 3002 | if (indexPtr) |
2607 | *indexPtr = cfg->defaultImage; | ||
2608 | return entry; | ||
2609 | niro | 2959 | } |
2610 | niro | 2252 | } |
2611 | niro | 532 | |
2612 | niro | 3002 | index = 0; |
2613 | while ((entry = findEntryByIndex(cfg, index))) { | ||
2614 | if (suitableImage(entry, prefix, skipRemoved, flags)) { | ||
2615 | niro | 3024 | int j, unmodifiedIndex; |
2616 | |||
2617 | unmodifiedIndex = index; | ||
2618 | |||
2619 | for (j = 0; j < unmodifiedIndex; j++) { | ||
2620 | niro | 3002 | entry2 = findEntryByIndex(cfg, j); |
2621 | if (entry2->skip) | ||
2622 | index--; | ||
2623 | } | ||
2624 | if (indexPtr) | ||
2625 | *indexPtr = index; | ||
2626 | niro | 532 | |
2627 | niro | 3002 | return entry; |
2628 | } | ||
2629 | |||
2630 | index++; | ||
2631 | niro | 532 | } |
2632 | |||
2633 | niro | 3002 | fprintf(stderr, |
2634 | _("grubby fatal error: unable to find a suitable template\n")); | ||
2635 | niro | 532 | |
2636 | niro | 3002 | return NULL; |
2637 | niro | 532 | } |
2638 | |||
2639 | niro | 3002 | char *findBootPrefix(void) |
2640 | { | ||
2641 | struct stat sb, sb2; | ||
2642 | niro | 532 | |
2643 | niro | 3002 | stat("/", &sb); |
2644 | niro | 532 | #ifdef __ia64__ |
2645 | niro | 3002 | stat("/boot/efi/EFI/redhat/", &sb2); |
2646 | niro | 532 | #else |
2647 | niro | 3002 | stat("/boot", &sb2); |
2648 | niro | 532 | #endif |
2649 | |||
2650 | niro | 3002 | if (sb.st_dev == sb2.st_dev) |
2651 | return strdup(""); | ||
2652 | niro | 532 | |
2653 | #ifdef __ia64__ | ||
2654 | niro | 3002 | return strdup("/boot/efi/EFI/redhat/"); |
2655 | niro | 532 | #else |
2656 | niro | 3002 | return strdup("/boot"); |
2657 | niro | 532 | #endif |
2658 | } | ||
2659 | |||
2660 | niro | 3002 | void markRemovedImage(struct grubConfig *cfg, const char *image, |
2661 | const char *prefix) | ||
2662 | { | ||
2663 | struct singleEntry *entry; | ||
2664 | niro | 532 | |
2665 | niro | 3002 | if (!image) |
2666 | return; | ||
2667 | niro | 532 | |
2668 | niro | 3002 | /* check and see if we're removing the default image */ |
2669 | if (isdigit(*image)) { | ||
2670 | entry = findEntryByPath(cfg, image, prefix, NULL); | ||
2671 | if (entry) | ||
2672 | entry->skip = 1; | ||
2673 | return; | ||
2674 | } | ||
2675 | niro | 1801 | |
2676 | niro | 3002 | while ((entry = findEntryByPath(cfg, image, prefix, NULL))) |
2677 | entry->skip = 1; | ||
2678 | niro | 532 | } |
2679 | |||
2680 | niro | 3021 | void setDefaultImage(struct grubConfig *config, int isAddingBootEntry, |
2681 | niro | 3017 | const char *defaultKernelPath, int newBootEntryIsDefault, |
2682 | niro | 3021 | const char *prefix, int flags, |
2683 | int newDefaultBootEntryIndex, int newBootEntryIndex) | ||
2684 | niro | 3002 | { |
2685 | niro | 3021 | struct singleEntry *bootEntry, *newDefault; |
2686 | int indexToVerify, firstKernelEntryIndex, currentLookupIndex; | ||
2687 | niro | 532 | |
2688 | niro | 3027 | /* initialize */ |
2689 | currentLookupIndex = FIRST_ENTRY_INDEX; | ||
2690 | |||
2691 | niro | 3021 | /* handle the two cases where the user explictly picks the default |
2692 | * boot entry index as it would exist post-modification */ | ||
2693 | |||
2694 | /* Case 1: user chose to make the latest boot entry the default */ | ||
2695 | niro | 3017 | if (newBootEntryIsDefault) { |
2696 | niro | 3021 | config->defaultImage = newBootEntryIndex; |
2697 | niro | 3002 | return; |
2698 | niro | 3021 | } |
2699 | |||
2700 | /* Case 2: user picked an arbitrary index as the default boot entry */ | ||
2701 | niro | 3031 | if (newDefaultBootEntryIndex >= FIRST_ENTRY_INDEX) { |
2702 | niro | 3021 | indexToVerify = newDefaultBootEntryIndex; |
2703 | |||
2704 | /* user chose to make latest boot entry the default */ | ||
2705 | if (newDefaultBootEntryIndex == newBootEntryIndex) { | ||
2706 | config->defaultImage = newBootEntryIndex; | ||
2707 | return; | ||
2708 | } | ||
2709 | |||
2710 | /* the user picks the default index based on the | ||
2711 | * order of the bootloader configuration after | ||
2712 | * modification; ensure we are checking for the | ||
2713 | * existence of the correct entry */ | ||
2714 | if (newBootEntryIndex < newDefaultBootEntryIndex) { | ||
2715 | if (!config->isModified) | ||
2716 | indexToVerify--; | ||
2717 | } | ||
2718 | |||
2719 | /* verify the user selected index will exist */ | ||
2720 | if (findEntryByIndex(config, indexToVerify)) { | ||
2721 | niro | 3017 | config->defaultImage = newDefaultBootEntryIndex; |
2722 | niro | 3021 | } else { |
2723 | niro | 3018 | config->defaultImage = NO_DEFAULT_ENTRY; |
2724 | niro | 3021 | } |
2725 | |||
2726 | niro | 3002 | return; |
2727 | niro | 3021 | } |
2728 | |||
2729 | /* handle cases where the index value may shift */ | ||
2730 | |||
2731 | /* check validity of existing default or first-entry-found | ||
2732 | selection */ | ||
2733 | if (defaultKernelPath) { | ||
2734 | niro | 3026 | /* we must initialize this */ |
2735 | firstKernelEntryIndex = 0; | ||
2736 | niro | 3021 | /* user requested first-entry-found */ |
2737 | if (!findEntryByPath(config, defaultKernelPath, | ||
2738 | prefix, &firstKernelEntryIndex)) { | ||
2739 | /* don't change default if can't find match */ | ||
2740 | niro | 3018 | config->defaultImage = NO_DEFAULT_ENTRY; |
2741 | niro | 3002 | return; |
2742 | } | ||
2743 | |||
2744 | niro | 3021 | config->defaultImage = firstKernelEntryIndex; |
2745 | niro | 3002 | |
2746 | niro | 3021 | /* this is where we start looking for decrement later */ |
2747 | currentLookupIndex = config->defaultImage; | ||
2748 | niro | 3002 | |
2749 | niro | 3021 | if (isAddingBootEntry && !config->isModified && |
2750 | (newBootEntryIndex < config->defaultImage)) { | ||
2751 | /* increment because new entry added before default */ | ||
2752 | niro | 3002 | config->defaultImage++; |
2753 | niro | 3021 | } |
2754 | } else { | ||
2755 | niro | 3027 | /* check to see if the default is stored in the environment */ |
2756 | if (config->defaultImage < FIRST_ENTRY_INDEX) { | ||
2757 | if (config->defaultImage == DEFAULT_SAVED || config->defaultImage == DEFAULT_SAVED_GRUB2) | ||
2758 | { | ||
2759 | if (config->cfi->defaultIsSaved) { | ||
2760 | if (config->cfi->getEnv) { | ||
2761 | char *defaultTitle = config->cfi->getEnv(config->cfi, "saved_entry"); | ||
2762 | niro | 3002 | |
2763 | niro | 3027 | if (defaultTitle) { |
2764 | if (isnumber(defaultTitle)) { | ||
2765 | currentLookupIndex = atoi(defaultTitle); | ||
2766 | } else { | ||
2767 | findEntryByTitle(config, defaultTitle, ¤tLookupIndex); | ||
2768 | } | ||
2769 | /* set the default Image to an actual index */ | ||
2770 | config->defaultImage = currentLookupIndex; | ||
2771 | } | ||
2772 | } | ||
2773 | } | ||
2774 | } | ||
2775 | } else { | ||
2776 | /* use pre-existing default entry from the file*/ | ||
2777 | currentLookupIndex = config->defaultImage; | ||
2778 | } | ||
2779 | |||
2780 | niro | 3021 | if (isAddingBootEntry |
2781 | && (newBootEntryIndex <= config->defaultImage)) { | ||
2782 | config->defaultImage++; | ||
2783 | |||
2784 | if (config->isModified) { | ||
2785 | currentLookupIndex++; | ||
2786 | } | ||
2787 | niro | 3002 | } |
2788 | niro | 3021 | } |
2789 | |||
2790 | /* sanity check - is this entry index valid? */ | ||
2791 | bootEntry = findEntryByIndex(config, currentLookupIndex); | ||
2792 | |||
2793 | if ((bootEntry && bootEntry->skip) || !bootEntry) { | ||
2794 | /* entry is to be skipped or is invalid */ | ||
2795 | if (isAddingBootEntry) { | ||
2796 | config->defaultImage = newBootEntryIndex; | ||
2797 | return; | ||
2798 | } | ||
2799 | niro | 3002 | newDefault = |
2800 | findTemplate(config, prefix, &config->defaultImage, 1, | ||
2801 | flags); | ||
2802 | niro | 3021 | if (!newDefault) { |
2803 | niro | 3018 | config->defaultImage = NO_DEFAULT_ENTRY; |
2804 | niro | 3021 | } |
2805 | |||
2806 | return; | ||
2807 | niro | 532 | } |
2808 | niro | 3021 | |
2809 | currentLookupIndex--; | ||
2810 | |||
2811 | /* decrement index by the total number of entries deleted */ | ||
2812 | |||
2813 | for (indexToVerify = currentLookupIndex; | ||
2814 | indexToVerify >= FIRST_ENTRY_INDEX; indexToVerify--) { | ||
2815 | |||
2816 | bootEntry = findEntryByIndex(config, indexToVerify); | ||
2817 | |||
2818 | if (bootEntry && bootEntry->skip) { | ||
2819 | config->defaultImage--; | ||
2820 | } | ||
2821 | } | ||
2822 | niro | 3002 | } |
2823 | niro | 532 | |
2824 | niro | 3002 | void setFallbackImage(struct grubConfig *config, int hasNew) |
2825 | { | ||
2826 | struct singleEntry *entry, *entry2; | ||
2827 | int j; | ||
2828 | niro | 532 | |
2829 | niro | 3002 | if (config->fallbackImage == -1) |
2830 | return; | ||
2831 | niro | 532 | |
2832 | niro | 3002 | entry = findEntryByIndex(config, config->fallbackImage); |
2833 | if (!entry || entry->skip) { | ||
2834 | config->fallbackImage = -1; | ||
2835 | return; | ||
2836 | } | ||
2837 | |||
2838 | niro | 532 | if (hasNew) |
2839 | niro | 3002 | config->fallbackImage++; |
2840 | |||
2841 | niro | 532 | /* count the number of entries erased before this one */ |
2842 | niro | 3002 | for (j = 0; j < config->fallbackImage; j++) { |
2843 | entry2 = findEntryByIndex(config, j); | ||
2844 | if (entry2->skip) | ||
2845 | config->fallbackImage--; | ||
2846 | niro | 532 | } |
2847 | } | ||
2848 | |||
2849 | niro | 3029 | void displayEntry(struct grubConfig *config, struct singleEntry *entry, const char *prefix, int index) |
2850 | niro | 3002 | { |
2851 | struct singleLine *line; | ||
2852 | char *root = NULL; | ||
2853 | int i; | ||
2854 | int j; | ||
2855 | niro | 532 | |
2856 | niro | 3002 | printf("index=%d\n", index); |
2857 | niro | 532 | |
2858 | niro | 3002 | line = |
2859 | getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI | LT_KERNEL_16, | ||
2860 | entry->lines); | ||
2861 | if (!line) { | ||
2862 | printf("non linux entry\n"); | ||
2863 | return; | ||
2864 | } | ||
2865 | niro | 532 | |
2866 | niro | 3002 | if (!strncmp(prefix, line->elements[1].item, strlen(prefix))) |
2867 | printf("kernel=%s\n", line->elements[1].item); | ||
2868 | else | ||
2869 | printf("kernel=%s%s\n", prefix, line->elements[1].item); | ||
2870 | niro | 532 | |
2871 | niro | 3002 | if (line->numElements >= 3) { |
2872 | printf("args=\""); | ||
2873 | i = 2; | ||
2874 | while (i < line->numElements) { | ||
2875 | if (!strncmp(line->elements[i].item, "root=", 5)) { | ||
2876 | root = line->elements[i].item + 5; | ||
2877 | } else { | ||
2878 | printf("%s%s", line->elements[i].item, | ||
2879 | line->elements[i].indent); | ||
2880 | } | ||
2881 | niro | 532 | |
2882 | niro | 3002 | i++; |
2883 | } | ||
2884 | printf("\"\n"); | ||
2885 | } else { | ||
2886 | line = getLineByType(LT_KERNELARGS, entry->lines); | ||
2887 | if (line) { | ||
2888 | char *s; | ||
2889 | niro | 532 | |
2890 | niro | 3002 | printf("args=\""); |
2891 | i = 1; | ||
2892 | while (i < line->numElements) { | ||
2893 | if (!strncmp | ||
2894 | (line->elements[i].item, "root=", 5)) { | ||
2895 | root = line->elements[i].item + 5; | ||
2896 | } else { | ||
2897 | s = line->elements[i].item; | ||
2898 | niro | 914 | |
2899 | niro | 3002 | printf("%s%s", s, |
2900 | line->elements[i].indent); | ||
2901 | } | ||
2902 | niro | 532 | |
2903 | niro | 3002 | i++; |
2904 | } | ||
2905 | niro | 532 | |
2906 | niro | 3002 | s = line->elements[i - 1].indent; |
2907 | printf("\"\n"); | ||
2908 | } | ||
2909 | niro | 532 | } |
2910 | |||
2911 | niro | 3002 | if (!root) { |
2912 | line = getLineByType(LT_ROOT, entry->lines); | ||
2913 | if (line && line->numElements >= 2) | ||
2914 | root = line->elements[1].item; | ||
2915 | } | ||
2916 | niro | 532 | |
2917 | niro | 3002 | if (root) { |
2918 | char *s = alloca(strlen(root) + 1); | ||
2919 | niro | 532 | |
2920 | niro | 3002 | strcpy(s, root); |
2921 | if (s[strlen(s) - 1] == '"') | ||
2922 | s[strlen(s) - 1] = '\0'; | ||
2923 | /* make sure the root doesn't have a trailing " */ | ||
2924 | printf("root=%s\n", s); | ||
2925 | niro | 532 | } |
2926 | |||
2927 | niro | 3002 | line = |
2928 | getLineByType(LT_INITRD | LT_INITRD_EFI | LT_INITRD_16, | ||
2929 | entry->lines); | ||
2930 | niro | 532 | |
2931 | niro | 3002 | if (line && line->numElements >= 2) { |
2932 | if (!strncmp(prefix, line->elements[1].item, strlen(prefix))) | ||
2933 | printf("initrd="); | ||
2934 | else | ||
2935 | printf("initrd=%s", prefix); | ||
2936 | niro | 532 | |
2937 | niro | 3002 | for (i = 1; i < line->numElements; i++) |
2938 | printf("%s%s", line->elements[i].item, | ||
2939 | line->elements[i].indent); | ||
2940 | printf("\n"); | ||
2941 | } | ||
2942 | niro | 532 | |
2943 | niro | 3002 | line = getLineByType(LT_TITLE, entry->lines); |
2944 | niro | 2963 | if (line) { |
2945 | niro | 3029 | char *entryTitle; |
2946 | /* if we can extractTitle, then it's a zipl config and | ||
2947 | * if not then we go ahead with what's existed prior */ | ||
2948 | entryTitle = extractTitle(config, line); | ||
2949 | if (!entryTitle) { | ||
2950 | entryTitle=line->elements[1].item; | ||
2951 | } | ||
2952 | printf("title=%s\n", entryTitle); | ||
2953 | niro | 3002 | } else { |
2954 | char *title; | ||
2955 | line = getLineByType(LT_MENUENTRY, entry->lines); | ||
2956 | if (line) { | ||
2957 | title = grub2ExtractTitle(line); | ||
2958 | if (title) | ||
2959 | printf("title=%s\n", title); | ||
2960 | } | ||
2961 | niro | 2962 | } |
2962 | niro | 2708 | |
2963 | niro | 3002 | for (j = 0, line = entry->lines; line; line = line->next) { |
2964 | if ((line->type & LT_MBMODULE) && line->numElements >= 2) { | ||
2965 | if (!strncmp | ||
2966 | (prefix, line->elements[1].item, strlen(prefix))) | ||
2967 | printf("mbmodule%d=", j); | ||
2968 | else | ||
2969 | printf("mbmodule%d=%s", j, prefix); | ||
2970 | niro | 2708 | |
2971 | niro | 3002 | for (i = 1; i < line->numElements; i++) |
2972 | printf("%s%s", line->elements[i].item, | ||
2973 | line->elements[i].indent); | ||
2974 | printf("\n"); | ||
2975 | j++; | ||
2976 | } | ||
2977 | niro | 2708 | } |
2978 | niro | 532 | } |
2979 | |||
2980 | niro | 3002 | int isSuseSystem(void) |
2981 | { | ||
2982 | const char *path; | ||
2983 | const static char default_path[] = "/etc/SuSE-release"; | ||
2984 | niro | 1850 | |
2985 | niro | 3002 | if ((path = getenv("GRUBBY_SUSE_RELEASE")) == NULL) |
2986 | path = default_path; | ||
2987 | niro | 1850 | |
2988 | niro | 3002 | if (!access(path, R_OK)) |
2989 | return 1; | ||
2990 | return 0; | ||
2991 | niro | 1850 | } |
2992 | |||
2993 | niro | 3002 | int isSuseGrubConf(const char *path) |
2994 | { | ||
2995 | FILE *grubConf; | ||
2996 | char *line = NULL; | ||
2997 | size_t len = 0, res = 0; | ||
2998 | niro | 1850 | |
2999 | niro | 3002 | grubConf = fopen(path, "r"); |
3000 | if (!grubConf) { | ||
3001 | dbgPrintf("Could not open SuSE configuration file '%s'\n", | ||
3002 | path); | ||
3003 | return 0; | ||
3004 | } | ||
3005 | niro | 1850 | |
3006 | niro | 3002 | while ((res = getline(&line, &len, grubConf)) != -1) { |
3007 | if (!strncmp(line, "setup", 5)) { | ||
3008 | fclose(grubConf); | ||
3009 | free(line); | ||
3010 | return 1; | ||
3011 | } | ||
3012 | niro | 1850 | } |
3013 | |||
3014 | niro | 3002 | dbgPrintf("SuSE configuration file '%s' does not appear to be valid\n", |
3015 | path); | ||
3016 | niro | 1850 | |
3017 | niro | 3002 | fclose(grubConf); |
3018 | free(line); | ||
3019 | return 0; | ||
3020 | niro | 1850 | } |
3021 | |||
3022 | niro | 3002 | int suseGrubConfGetLba(const char *path, int *lbaPtr) |
3023 | { | ||
3024 | FILE *grubConf; | ||
3025 | char *line = NULL; | ||
3026 | size_t res = 0, len = 0; | ||
3027 | niro | 1850 | |
3028 | niro | 3002 | if (!path) |
3029 | return 1; | ||
3030 | if (!lbaPtr) | ||
3031 | return 1; | ||
3032 | niro | 1850 | |
3033 | niro | 3002 | grubConf = fopen(path, "r"); |
3034 | if (!grubConf) | ||
3035 | return 1; | ||
3036 | niro | 1850 | |
3037 | niro | 3002 | while ((res = getline(&line, &len, grubConf)) != -1) { |
3038 | if (line[res - 1] == '\n') | ||
3039 | line[res - 1] = '\0'; | ||
3040 | else if (len > res) | ||
3041 | line[res] = '\0'; | ||
3042 | else { | ||
3043 | line = realloc(line, res + 1); | ||
3044 | line[res] = '\0'; | ||
3045 | } | ||
3046 | niro | 1850 | |
3047 | niro | 3002 | if (!strncmp(line, "setup", 5)) { |
3048 | if (strstr(line, "--force-lba")) { | ||
3049 | *lbaPtr = 1; | ||
3050 | } else { | ||
3051 | *lbaPtr = 0; | ||
3052 | } | ||
3053 | dbgPrintf("lba: %i\n", *lbaPtr); | ||
3054 | break; | ||
3055 | } | ||
3056 | niro | 1850 | } |
3057 | |||
3058 | niro | 3002 | free(line); |
3059 | fclose(grubConf); | ||
3060 | return 0; | ||
3061 | niro | 1850 | } |
3062 | |||
3063 | niro | 3002 | int suseGrubConfGetInstallDevice(const char *path, char **devicePtr) |
3064 | { | ||
3065 | FILE *grubConf; | ||
3066 | char *line = NULL; | ||
3067 | size_t res = 0, len = 0; | ||
3068 | char *lastParamPtr = NULL; | ||
3069 | char *secLastParamPtr = NULL; | ||
3070 | char installDeviceNumber = '\0'; | ||
3071 | char *bounds = NULL; | ||
3072 | niro | 1850 | |
3073 | niro | 3002 | if (!path) |
3074 | return 1; | ||
3075 | if (!devicePtr) | ||
3076 | return 1; | ||
3077 | niro | 1850 | |
3078 | niro | 3002 | grubConf = fopen(path, "r"); |
3079 | if (!grubConf) | ||
3080 | return 1; | ||
3081 | niro | 1850 | |
3082 | niro | 3002 | while ((res = getline(&line, &len, grubConf)) != -1) { |
3083 | if (strncmp(line, "setup", 5)) | ||
3084 | continue; | ||
3085 | niro | 1850 | |
3086 | niro | 3002 | if (line[res - 1] == '\n') |
3087 | line[res - 1] = '\0'; | ||
3088 | else if (len > res) | ||
3089 | line[res] = '\0'; | ||
3090 | else { | ||
3091 | line = realloc(line, res + 1); | ||
3092 | line[res] = '\0'; | ||
3093 | } | ||
3094 | niro | 1850 | |
3095 | niro | 3002 | lastParamPtr = bounds = line + res; |
3096 | niro | 1850 | |
3097 | niro | 3002 | /* Last parameter in grub may be an optional IMAGE_DEVICE */ |
3098 | while (!isspace(*lastParamPtr)) | ||
3099 | lastParamPtr--; | ||
3100 | lastParamPtr++; | ||
3101 | niro | 1850 | |
3102 | niro | 3002 | secLastParamPtr = lastParamPtr - 2; |
3103 | dbgPrintf("lastParamPtr: %s\n", lastParamPtr); | ||
3104 | niro | 1850 | |
3105 | niro | 3002 | if (lastParamPtr + 3 > bounds) { |
3106 | dbgPrintf("lastParamPtr going over boundary"); | ||
3107 | fclose(grubConf); | ||
3108 | free(line); | ||
3109 | return 1; | ||
3110 | } | ||
3111 | if (!strncmp(lastParamPtr, "(hd", 3)) | ||
3112 | lastParamPtr += 3; | ||
3113 | dbgPrintf("lastParamPtr: %c\n", *lastParamPtr); | ||
3114 | niro | 1850 | |
3115 | niro | 3002 | /* |
3116 | * Second last parameter will decide wether last parameter is | ||
3117 | * an IMAGE_DEVICE or INSTALL_DEVICE | ||
3118 | */ | ||
3119 | while (!isspace(*secLastParamPtr)) | ||
3120 | secLastParamPtr--; | ||
3121 | secLastParamPtr++; | ||
3122 | niro | 1850 | |
3123 | niro | 3002 | if (secLastParamPtr + 3 > bounds) { |
3124 | dbgPrintf("secLastParamPtr going over boundary"); | ||
3125 | fclose(grubConf); | ||
3126 | free(line); | ||
3127 | return 1; | ||
3128 | } | ||
3129 | dbgPrintf("secLastParamPtr: %s\n", secLastParamPtr); | ||
3130 | if (!strncmp(secLastParamPtr, "(hd", 3)) { | ||
3131 | secLastParamPtr += 3; | ||
3132 | dbgPrintf("secLastParamPtr: %c\n", *secLastParamPtr); | ||
3133 | installDeviceNumber = *secLastParamPtr; | ||
3134 | } else { | ||
3135 | installDeviceNumber = *lastParamPtr; | ||
3136 | } | ||
3137 | |||
3138 | *devicePtr = malloc(6); | ||
3139 | snprintf(*devicePtr, 6, "(hd%c)", installDeviceNumber); | ||
3140 | dbgPrintf("installDeviceNumber: %c\n", installDeviceNumber); | ||
3141 | fclose(grubConf); | ||
3142 | free(line); | ||
3143 | return 0; | ||
3144 | niro | 1850 | } |
3145 | |||
3146 | niro | 3002 | free(line); |
3147 | niro | 1850 | fclose(grubConf); |
3148 | niro | 3002 | return 1; |
3149 | niro | 1850 | } |
3150 | |||
3151 | niro | 3002 | int grubGetBootFromDeviceMap(const char *device, char **bootPtr) |
3152 | { | ||
3153 | FILE *deviceMap; | ||
3154 | char *line = NULL; | ||
3155 | size_t res = 0, len = 0; | ||
3156 | char *devicePtr; | ||
3157 | char *bounds = NULL; | ||
3158 | const char *path; | ||
3159 | const static char default_path[] = "/boot/grub/device.map"; | ||
3160 | niro | 1850 | |
3161 | niro | 3002 | if (!device) |
3162 | return 1; | ||
3163 | if (!bootPtr) | ||
3164 | return 1; | ||
3165 | niro | 1850 | |
3166 | niro | 3002 | if ((path = getenv("GRUBBY_GRUB_DEVICE_MAP")) == NULL) |
3167 | path = default_path; | ||
3168 | niro | 1850 | |
3169 | niro | 3002 | dbgPrintf("opening grub device.map file from: %s\n", path); |
3170 | deviceMap = fopen(path, "r"); | ||
3171 | if (!deviceMap) | ||
3172 | return 1; | ||
3173 | niro | 1850 | |
3174 | niro | 3002 | while ((res = getline(&line, &len, deviceMap)) != -1) { |
3175 | if (!strncmp(line, "#", 1)) | ||
3176 | continue; | ||
3177 | niro | 1850 | |
3178 | niro | 3002 | if (line[res - 1] == '\n') |
3179 | line[res - 1] = '\0'; | ||
3180 | else if (len > res) | ||
3181 | line[res] = '\0'; | ||
3182 | else { | ||
3183 | line = realloc(line, res + 1); | ||
3184 | line[res] = '\0'; | ||
3185 | } | ||
3186 | niro | 1850 | |
3187 | niro | 3002 | devicePtr = line; |
3188 | bounds = line + res; | ||
3189 | niro | 1850 | |
3190 | niro | 3002 | while ((isspace(*line) && ((devicePtr + 1) <= bounds))) |
3191 | devicePtr++; | ||
3192 | dbgPrintf("device: %s\n", devicePtr); | ||
3193 | niro | 1850 | |
3194 | niro | 3002 | if (!strncmp(devicePtr, device, strlen(device))) { |
3195 | devicePtr += strlen(device); | ||
3196 | while (isspace(*devicePtr) | ||
3197 | && ((devicePtr + 1) <= bounds)) | ||
3198 | devicePtr++; | ||
3199 | niro | 1850 | |
3200 | niro | 3002 | *bootPtr = strdup(devicePtr); |
3201 | break; | ||
3202 | } | ||
3203 | niro | 1850 | } |
3204 | |||
3205 | niro | 3002 | free(line); |
3206 | fclose(deviceMap); | ||
3207 | return 0; | ||
3208 | niro | 1850 | } |
3209 | |||
3210 | niro | 3002 | int suseGrubConfGetBoot(const char *path, char **bootPtr) |
3211 | { | ||
3212 | char *grubDevice; | ||
3213 | niro | 1850 | |
3214 | niro | 3002 | if (suseGrubConfGetInstallDevice(path, &grubDevice)) |
3215 | dbgPrintf("error looking for grub installation device\n"); | ||
3216 | else | ||
3217 | dbgPrintf("grubby installation device: %s\n", grubDevice); | ||
3218 | niro | 1850 | |
3219 | niro | 3002 | if (grubGetBootFromDeviceMap(grubDevice, bootPtr)) |
3220 | dbgPrintf("error looking for grub boot device\n"); | ||
3221 | else | ||
3222 | dbgPrintf("grubby boot device: %s\n", *bootPtr); | ||
3223 | niro | 1850 | |
3224 | niro | 3002 | free(grubDevice); |
3225 | return 0; | ||
3226 | niro | 1850 | } |
3227 | |||
3228 | niro | 3002 | int parseSuseGrubConf(int *lbaPtr, char **bootPtr) |
3229 | { | ||
3230 | /* | ||
3231 | * This SuSE grub configuration file at this location is not your | ||
3232 | * average grub configuration file, but instead the grub commands | ||
3233 | * used to setup grub on that system. | ||
3234 | */ | ||
3235 | const char *path; | ||
3236 | const static char default_path[] = "/etc/grub.conf"; | ||
3237 | niro | 1850 | |
3238 | niro | 3002 | if ((path = getenv("GRUBBY_SUSE_GRUB_CONF")) == NULL) |
3239 | path = default_path; | ||
3240 | niro | 1850 | |
3241 | niro | 3002 | if (!isSuseGrubConf(path)) |
3242 | return 1; | ||
3243 | niro | 1850 | |
3244 | niro | 3002 | if (lbaPtr) { |
3245 | *lbaPtr = 0; | ||
3246 | if (suseGrubConfGetLba(path, lbaPtr)) | ||
3247 | return 1; | ||
3248 | } | ||
3249 | niro | 1850 | |
3250 | niro | 3002 | if (bootPtr) { |
3251 | *bootPtr = NULL; | ||
3252 | suseGrubConfGetBoot(path, bootPtr); | ||
3253 | } | ||
3254 | niro | 1850 | |
3255 | niro | 3002 | return 0; |
3256 | niro | 1850 | } |
3257 | |||
3258 | niro | 3002 | int parseSysconfigGrub(int *lbaPtr, char **bootPtr) |
3259 | { | ||
3260 | FILE *in; | ||
3261 | char buf[1024]; | ||
3262 | char *chptr; | ||
3263 | char *start; | ||
3264 | char *param; | ||
3265 | niro | 532 | |
3266 | niro | 3002 | in = fopen("/etc/sysconfig/grub", "r"); |
3267 | if (!in) | ||
3268 | return 1; | ||
3269 | niro | 532 | |
3270 | niro | 3002 | if (lbaPtr) |
3271 | *lbaPtr = 0; | ||
3272 | if (bootPtr) | ||
3273 | *bootPtr = NULL; | ||
3274 | niro | 532 | |
3275 | niro | 3002 | while (fgets(buf, sizeof(buf), in)) { |
3276 | start = buf; | ||
3277 | while (isspace(*start)) | ||
3278 | start++; | ||
3279 | if (*start == '#') | ||
3280 | continue; | ||
3281 | niro | 532 | |
3282 | niro | 3002 | chptr = strchr(start, '='); |
3283 | if (!chptr) | ||
3284 | continue; | ||
3285 | chptr--; | ||
3286 | while (*chptr && isspace(*chptr)) | ||
3287 | chptr--; | ||
3288 | chptr++; | ||
3289 | *chptr = '\0'; | ||
3290 | niro | 532 | |
3291 | niro | 3002 | param = chptr + 1; |
3292 | while (*param && isspace(*param)) | ||
3293 | param++; | ||
3294 | if (*param == '=') { | ||
3295 | param++; | ||
3296 | while (*param && isspace(*param)) | ||
3297 | param++; | ||
3298 | } | ||
3299 | niro | 532 | |
3300 | niro | 3002 | chptr = param; |
3301 | while (*chptr && !isspace(*chptr)) | ||
3302 | chptr++; | ||
3303 | *chptr = '\0'; | ||
3304 | niro | 532 | |
3305 | niro | 3002 | if (!strcmp(start, "forcelba") && !strcmp(param, "1") && lbaPtr) |
3306 | *lbaPtr = 1; | ||
3307 | else if (!strcmp(start, "boot") && bootPtr) | ||
3308 | *bootPtr = strdup(param); | ||
3309 | } | ||
3310 | niro | 532 | |
3311 | niro | 3002 | fclose(in); |
3312 | niro | 532 | |
3313 | niro | 3002 | return 0; |
3314 | niro | 532 | } |
3315 | |||
3316 | niro | 3002 | void dumpSysconfigGrub(void) |
3317 | { | ||
3318 | char *boot = NULL; | ||
3319 | int lba; | ||
3320 | niro | 532 | |
3321 | niro | 3002 | if (isSuseSystem()) { |
3322 | if (parseSuseGrubConf(&lba, &boot)) { | ||
3323 | free(boot); | ||
3324 | return; | ||
3325 | } | ||
3326 | } else { | ||
3327 | if (parseSysconfigGrub(&lba, &boot)) { | ||
3328 | free(boot); | ||
3329 | return; | ||
3330 | } | ||
3331 | niro | 1850 | } |
3332 | niro | 3002 | |
3333 | if (lba) | ||
3334 | printf("lba\n"); | ||
3335 | if (boot) { | ||
3336 | printf("boot=%s\n", boot); | ||
3337 | free(boot); | ||
3338 | niro | 1850 | } |
3339 | niro | 532 | } |
3340 | |||
3341 | niro | 3002 | int displayInfo(struct grubConfig *config, char *kernel, const char *prefix) |
3342 | { | ||
3343 | int i = 0; | ||
3344 | struct singleEntry *entry; | ||
3345 | struct singleLine *line; | ||
3346 | niro | 532 | |
3347 | niro | 3002 | entry = findEntryByPath(config, kernel, prefix, &i); |
3348 | if (!entry) { | ||
3349 | fprintf(stderr, _("grubby: kernel not found\n")); | ||
3350 | return 1; | ||
3351 | niro | 532 | } |
3352 | |||
3353 | niro | 3002 | /* this is a horrible hack to support /etc/sysconfig/grub; there must |
3354 | be a better way */ | ||
3355 | if (config->cfi == &grubConfigType) { | ||
3356 | dumpSysconfigGrub(); | ||
3357 | } else { | ||
3358 | line = getLineByType(LT_BOOT, config->theLines); | ||
3359 | if (line && line->numElements >= 1) { | ||
3360 | printf("boot=%s\n", line->elements[1].item); | ||
3361 | } | ||
3362 | niro | 532 | |
3363 | niro | 3002 | line = getLineByType(LT_LBA, config->theLines); |
3364 | if (line) | ||
3365 | printf("lba\n"); | ||
3366 | } | ||
3367 | niro | 532 | |
3368 | niro | 3029 | displayEntry(config, entry, prefix, i); |
3369 | niro | 3002 | |
3370 | niro | 532 | i++; |
3371 | niro | 3002 | while ((entry = findEntryByPath(config, kernel, prefix, &i))) { |
3372 | niro | 3029 | displayEntry(config, entry, prefix, i); |
3373 | niro | 3002 | i++; |
3374 | } | ||
3375 | niro | 532 | |
3376 | niro | 3002 | return 0; |
3377 | niro | 532 | } |
3378 | |||
3379 | niro | 3002 | struct singleLine *addLineTmpl(struct singleEntry *entry, |
3380 | struct singleLine *tmplLine, | ||
3381 | struct singleLine *prevLine, | ||
3382 | const char *val, struct configFileInfo *cfi) | ||
3383 | niro | 914 | { |
3384 | niro | 3002 | struct singleLine *newLine = lineDup(tmplLine); |
3385 | niro | 914 | |
3386 | niro | 3002 | if (isEfi && cfi == &grub2ConfigType) { |
3387 | enum lineType_e old = newLine->type; | ||
3388 | newLine->type = preferredLineType(newLine->type, cfi); | ||
3389 | if (old != newLine->type) | ||
3390 | newLine->elements[0].item = | ||
3391 | getKeyByType(newLine->type, cfi); | ||
3392 | } | ||
3393 | niro | 1940 | |
3394 | niro | 3002 | if (val) { |
3395 | /* override the inherited value with our own. | ||
3396 | * This is a little weak because it only applies to elements[1] | ||
3397 | */ | ||
3398 | if (newLine->numElements > 1) | ||
3399 | removeElement(newLine, 1); | ||
3400 | insertElement(newLine, val, 1, cfi); | ||
3401 | niro | 914 | |
3402 | niro | 3002 | /* but try to keep the rootspec from the template... sigh */ |
3403 | if (tmplLine-> | ||
3404 | type & (LT_HYPER | LT_KERNEL | LT_MBMODULE | LT_INITRD | | ||
3405 | LT_KERNEL_EFI | LT_INITRD_EFI | LT_KERNEL_16 | | ||
3406 | LT_INITRD_16)) { | ||
3407 | niro | 3139 | const char *prfx = tmplLine->elements[1].item; |
3408 | size_t rs = getRootSpecifier(prfx); | ||
3409 | if (isinitrd(tmplLine->type)) { | ||
3410 | for (struct singleLine *l = entry->lines; | ||
3411 | rs == 0 && l; l = l->next) { | ||
3412 | if (iskernel(l->type)) { | ||
3413 | prfx = l->elements[1].item; | ||
3414 | rs = getRootSpecifier(prfx); | ||
3415 | break; | ||
3416 | } | ||
3417 | } | ||
3418 | } | ||
3419 | niro | 3138 | if (rs > 0) { |
3420 | niro | 3002 | free(newLine->elements[1].item); |
3421 | niro | 3138 | newLine->elements[1].item = sdupprintf( |
3422 | niro | 3139 | "%.*s%s", (int) rs, prfx, val); |
3423 | niro | 3002 | } |
3424 | } | ||
3425 | niro | 914 | } |
3426 | |||
3427 | niro | 3002 | dbgPrintf("addLineTmpl(%s)\n", newLine->numElements ? |
3428 | newLine->elements[0].item : ""); | ||
3429 | niro | 914 | |
3430 | niro | 3002 | if (!entry->lines) { |
3431 | /* first one on the list */ | ||
3432 | entry->lines = newLine; | ||
3433 | } else if (prevLine) { | ||
3434 | /* add after prevLine */ | ||
3435 | newLine->next = prevLine->next; | ||
3436 | prevLine->next = newLine; | ||
3437 | } | ||
3438 | niro | 914 | |
3439 | niro | 3002 | return newLine; |
3440 | niro | 914 | } |
3441 | |||
3442 | niro | 532 | /* val may be NULL */ |
3443 | niro | 3002 | struct singleLine *addLine(struct singleEntry *entry, |
3444 | struct configFileInfo *cfi, | ||
3445 | enum lineType_e type, char *defaultIndent, | ||
3446 | const char *val) | ||
3447 | { | ||
3448 | struct singleLine *line, *prev; | ||
3449 | struct keywordTypes *kw; | ||
3450 | struct singleLine tmpl; | ||
3451 | niro | 532 | |
3452 | niro | 3002 | /* NB: This function shouldn't allocate items on the heap, rather on |
3453 | * the stack since it calls addLineTmpl which will make copies. | ||
3454 | */ | ||
3455 | if (type == LT_TITLE && cfi->titleBracketed) { | ||
3456 | /* we're doing a bracketed title (zipl) */ | ||
3457 | tmpl.type = type; | ||
3458 | tmpl.numElements = 1; | ||
3459 | tmpl.elements = alloca(sizeof(*tmpl.elements)); | ||
3460 | tmpl.elements[0].item = alloca(strlen(val) + 3); | ||
3461 | sprintf(tmpl.elements[0].item, "[%s]", val); | ||
3462 | tmpl.elements[0].indent = ""; | ||
3463 | val = NULL; | ||
3464 | } else if (type == LT_MENUENTRY) { | ||
3465 | char *lineend = "--class gnu-linux --class gnu --class os {"; | ||
3466 | if (!val) { | ||
3467 | fprintf(stderr, | ||
3468 | "Line type LT_MENUENTRY requires a value\n"); | ||
3469 | abort(); | ||
3470 | } | ||
3471 | kw = getKeywordByType(type, cfi); | ||
3472 | if (!kw) { | ||
3473 | fprintf(stderr, | ||
3474 | "Looking up keyword for unknown type %d\n", | ||
3475 | type); | ||
3476 | abort(); | ||
3477 | } | ||
3478 | tmpl.indent = ""; | ||
3479 | tmpl.type = type; | ||
3480 | tmpl.numElements = 3; | ||
3481 | tmpl.elements = | ||
3482 | alloca(sizeof(*tmpl.elements) * tmpl.numElements); | ||
3483 | tmpl.elements[0].item = kw->key; | ||
3484 | tmpl.elements[0].indent = alloca(2); | ||
3485 | sprintf(tmpl.elements[0].indent, "%c", kw->nextChar); | ||
3486 | tmpl.elements[1].item = (char *)val; | ||
3487 | tmpl.elements[1].indent = alloca(2); | ||
3488 | sprintf(tmpl.elements[1].indent, "%c", kw->nextChar); | ||
3489 | tmpl.elements[2].item = alloca(strlen(lineend) + 1); | ||
3490 | strcpy(tmpl.elements[2].item, lineend); | ||
3491 | tmpl.elements[2].indent = ""; | ||
3492 | } else { | ||
3493 | kw = getKeywordByType(type, cfi); | ||
3494 | if (!kw) { | ||
3495 | fprintf(stderr, | ||
3496 | "Looking up keyword for unknown type %d\n", | ||
3497 | type); | ||
3498 | abort(); | ||
3499 | } | ||
3500 | tmpl.type = type; | ||
3501 | tmpl.numElements = val ? 2 : 1; | ||
3502 | tmpl.elements = | ||
3503 | alloca(sizeof(*tmpl.elements) * tmpl.numElements); | ||
3504 | tmpl.elements[0].item = kw->key; | ||
3505 | tmpl.elements[0].indent = alloca(2); | ||
3506 | sprintf(tmpl.elements[0].indent, "%c", kw->nextChar); | ||
3507 | if (val) { | ||
3508 | tmpl.elements[1].item = (char *)val; | ||
3509 | tmpl.elements[1].indent = ""; | ||
3510 | } | ||
3511 | niro | 1696 | } |
3512 | niro | 3002 | |
3513 | /* The last non-empty line gives us the indention to us and the line | ||
3514 | * to insert after. Note that comments are considered empty lines, | ||
3515 | * which may not be ideal? If there are no lines or we are looking at | ||
3516 | * the first line, we use defaultIndent (the first line is normally | ||
3517 | * indented differently from the rest) */ | ||
3518 | for (line = entry->lines, prev = NULL; line; line = line->next) { | ||
3519 | if (line->numElements) | ||
3520 | prev = line; | ||
3521 | /* fall back on the last line if prev isn't otherwise set */ | ||
3522 | if (!line->next && !prev) | ||
3523 | prev = line; | ||
3524 | niro | 1696 | } |
3525 | niro | 3002 | |
3526 | struct singleLine *menuEntry; | ||
3527 | menuEntry = getLineByType(LT_MENUENTRY, entry->lines); | ||
3528 | if (tmpl.type == LT_ENTRY_END) { | ||
3529 | if (menuEntry) | ||
3530 | tmpl.indent = menuEntry->indent; | ||
3531 | else | ||
3532 | tmpl.indent = defaultIndent ? : ""; | ||
3533 | } else if (tmpl.type != LT_MENUENTRY) { | ||
3534 | if (menuEntry) | ||
3535 | tmpl.indent = "\t"; | ||
3536 | else if (prev == entry->lines) | ||
3537 | tmpl.indent = defaultIndent ? : ""; | ||
3538 | else | ||
3539 | tmpl.indent = prev->indent; | ||
3540 | niro | 1696 | } |
3541 | niro | 914 | |
3542 | niro | 3002 | return addLineTmpl(entry, &tmpl, prev, val, cfi); |
3543 | niro | 532 | } |
3544 | |||
3545 | niro | 3002 | void removeLine(struct singleEntry *entry, struct singleLine *line) |
3546 | { | ||
3547 | struct singleLine *prev; | ||
3548 | int i; | ||
3549 | niro | 532 | |
3550 | niro | 3002 | for (i = 0; i < line->numElements; i++) { |
3551 | free(line->elements[i].item); | ||
3552 | free(line->elements[i].indent); | ||
3553 | } | ||
3554 | free(line->elements); | ||
3555 | free(line->indent); | ||
3556 | niro | 532 | |
3557 | niro | 3002 | if (line == entry->lines) { |
3558 | entry->lines = line->next; | ||
3559 | } else { | ||
3560 | prev = entry->lines; | ||
3561 | while (prev->next != line) | ||
3562 | prev = prev->next; | ||
3563 | prev->next = line->next; | ||
3564 | } | ||
3565 | niro | 532 | |
3566 | niro | 3002 | free(line); |
3567 | niro | 532 | } |
3568 | |||
3569 | niro | 3002 | static void requote(struct singleLine *tmplLine, struct configFileInfo *cfi) |
3570 | niro | 1696 | { |
3571 | niro | 3002 | struct singleLine newLine = { |
3572 | .indent = tmplLine->indent, | ||
3573 | .type = tmplLine->type, | ||
3574 | .next = tmplLine->next, | ||
3575 | }; | ||
3576 | int firstQuotedItem = -1; | ||
3577 | int quoteLen = 0; | ||
3578 | int j; | ||
3579 | int element = 0; | ||
3580 | char *c; | ||
3581 | niro | 1696 | |
3582 | niro | 3002 | c = malloc(strlen(tmplLine->elements[0].item) + 1); |
3583 | strcpy(c, tmplLine->elements[0].item); | ||
3584 | insertElement(&newLine, c, element++, cfi); | ||
3585 | free(c); | ||
3586 | c = NULL; | ||
3587 | niro | 1696 | |
3588 | niro | 3002 | for (j = 1; j < tmplLine->numElements; j++) { |
3589 | if (firstQuotedItem == -1) { | ||
3590 | quoteLen += strlen(tmplLine->elements[j].item); | ||
3591 | |||
3592 | if (isquote(tmplLine->elements[j].item[0])) { | ||
3593 | firstQuotedItem = j; | ||
3594 | quoteLen += | ||
3595 | strlen(tmplLine->elements[j].indent); | ||
3596 | } else { | ||
3597 | c = malloc(quoteLen + 1); | ||
3598 | strcpy(c, tmplLine->elements[j].item); | ||
3599 | insertElement(&newLine, c, element++, cfi); | ||
3600 | free(c); | ||
3601 | quoteLen = 0; | ||
3602 | } | ||
3603 | } else { | ||
3604 | int itemlen = strlen(tmplLine->elements[j].item); | ||
3605 | quoteLen += itemlen; | ||
3606 | quoteLen += strlen(tmplLine->elements[j].indent); | ||
3607 | |||
3608 | if (isquote(tmplLine->elements[j].item[itemlen - 1])) { | ||
3609 | c = malloc(quoteLen + 1); | ||
3610 | c[0] = '\0'; | ||
3611 | for (int i = firstQuotedItem; i < j + 1; i++) { | ||
3612 | strcat(c, tmplLine->elements[i].item); | ||
3613 | strcat(c, tmplLine->elements[i].indent); | ||
3614 | } | ||
3615 | insertElement(&newLine, c, element++, cfi); | ||
3616 | free(c); | ||
3617 | |||
3618 | firstQuotedItem = -1; | ||
3619 | quoteLen = 0; | ||
3620 | } | ||
3621 | niro | 1696 | } |
3622 | } | ||
3623 | niro | 3002 | while (tmplLine->numElements) |
3624 | removeElement(tmplLine, 0); | ||
3625 | if (tmplLine->elements) | ||
3626 | free(tmplLine->elements); | ||
3627 | niro | 1696 | |
3628 | niro | 3002 | tmplLine->numElements = newLine.numElements; |
3629 | tmplLine->elements = newLine.elements; | ||
3630 | niro | 1696 | } |
3631 | |||
3632 | niro | 3002 | static void insertElement(struct singleLine *line, |
3633 | const char *item, int insertHere, | ||
3634 | struct configFileInfo *cfi) | ||
3635 | niro | 914 | { |
3636 | niro | 3002 | struct keywordTypes *kw; |
3637 | char indent[2] = ""; | ||
3638 | niro | 914 | |
3639 | niro | 3002 | /* sanity check */ |
3640 | if (insertHere > line->numElements) { | ||
3641 | dbgPrintf | ||
3642 | ("insertElement() adjusting insertHere from %d to %d\n", | ||
3643 | insertHere, line->numElements); | ||
3644 | insertHere = line->numElements; | ||
3645 | } | ||
3646 | niro | 914 | |
3647 | niro | 3002 | line->elements = realloc(line->elements, (line->numElements + 1) * |
3648 | sizeof(*line->elements)); | ||
3649 | memmove(&line->elements[insertHere + 1], | ||
3650 | &line->elements[insertHere], | ||
3651 | (line->numElements - insertHere) * sizeof(*line->elements)); | ||
3652 | line->elements[insertHere].item = strdup(item); | ||
3653 | niro | 914 | |
3654 | niro | 3002 | kw = getKeywordByType(line->type, cfi); |
3655 | niro | 914 | |
3656 | niro | 3002 | if (line->numElements == 0) { |
3657 | indent[0] = '\0'; | ||
3658 | } else if (insertHere == 0) { | ||
3659 | indent[0] = kw->nextChar; | ||
3660 | } else if (kw->separatorChar != '\0') { | ||
3661 | indent[0] = kw->separatorChar; | ||
3662 | } else { | ||
3663 | indent[0] = ' '; | ||
3664 | } | ||
3665 | niro | 914 | |
3666 | niro | 3002 | if (insertHere > 0 && line->elements[insertHere - 1].indent[0] == '\0') { |
3667 | /* move the end-of-line forward */ | ||
3668 | line->elements[insertHere].indent = | ||
3669 | line->elements[insertHere - 1].indent; | ||
3670 | line->elements[insertHere - 1].indent = strdup(indent); | ||
3671 | } else { | ||
3672 | line->elements[insertHere].indent = strdup(indent); | ||
3673 | } | ||
3674 | niro | 914 | |
3675 | niro | 3002 | line->numElements++; |
3676 | niro | 914 | |
3677 | niro | 3002 | dbgPrintf("insertElement(%s, '%s%s', %d)\n", |
3678 | line->elements[0].item, | ||
3679 | line->elements[insertHere].item, | ||
3680 | line->elements[insertHere].indent, insertHere); | ||
3681 | niro | 914 | } |
3682 | |||
3683 | niro | 3002 | static void removeElement(struct singleLine *line, int removeHere) |
3684 | { | ||
3685 | int i; | ||
3686 | niro | 914 | |
3687 | niro | 3002 | /* sanity check */ |
3688 | if (removeHere >= line->numElements) | ||
3689 | return; | ||
3690 | niro | 914 | |
3691 | niro | 3002 | dbgPrintf("removeElement(%s, %d:%s)\n", line->elements[0].item, |
3692 | removeHere, line->elements[removeHere].item); | ||
3693 | niro | 914 | |
3694 | niro | 3002 | free(line->elements[removeHere].item); |
3695 | niro | 914 | |
3696 | niro | 3002 | if (removeHere > 1) { |
3697 | /* previous argument gets this argument's post-indentation */ | ||
3698 | free(line->elements[removeHere - 1].indent); | ||
3699 | line->elements[removeHere - 1].indent = | ||
3700 | line->elements[removeHere].indent; | ||
3701 | } else { | ||
3702 | free(line->elements[removeHere].indent); | ||
3703 | } | ||
3704 | niro | 914 | |
3705 | niro | 3002 | /* now collapse the array, but don't bother to realloc smaller */ |
3706 | for (i = removeHere; i < line->numElements - 1; i++) | ||
3707 | line->elements[i] = line->elements[i + 1]; | ||
3708 | niro | 914 | |
3709 | niro | 3002 | line->numElements--; |
3710 | niro | 914 | } |
3711 | |||
3712 | niro | 3136 | static int argNameMatch(const char *one, const char *two) |
3713 | niro | 3002 | { |
3714 | char *first, *second; | ||
3715 | niro | 3136 | char *chptra, *chptrb; |
3716 | int rc; | ||
3717 | niro | 532 | |
3718 | niro | 3002 | first = strcpy(alloca(strlen(one) + 1), one); |
3719 | second = strcpy(alloca(strlen(two) + 1), two); | ||
3720 | niro | 532 | |
3721 | niro | 3136 | chptra = strchr(first, '='); |
3722 | if (chptra) | ||
3723 | *chptra = '\0'; | ||
3724 | niro | 532 | |
3725 | niro | 3136 | chptrb = strchr(second, '='); |
3726 | if (chptrb) | ||
3727 | *chptrb = '\0'; | ||
3728 | |||
3729 | rc = strcmp(first, second); | ||
3730 | |||
3731 | if (chptra) | ||
3732 | *chptra = '='; | ||
3733 | if (chptrb) | ||
3734 | *chptrb = '='; | ||
3735 | |||
3736 | return rc; | ||
3737 | } | ||
3738 | |||
3739 | static int argHasValue(const char *arg) | ||
3740 | { | ||
3741 | char *chptr; | ||
3742 | |||
3743 | chptr = strchr(arg, '='); | ||
3744 | niro | 3002 | if (chptr) |
3745 | niro | 3136 | return 1; |
3746 | return 0; | ||
3747 | } | ||
3748 | niro | 532 | |
3749 | niro | 3136 | static int argValueMatch(const char *one, const char *two) |
3750 | { | ||
3751 | char *first, *second; | ||
3752 | char *chptra, *chptrb; | ||
3753 | |||
3754 | first = strcpy(alloca(strlen(one) + 1), one); | ||
3755 | second = strcpy(alloca(strlen(two) + 1), two); | ||
3756 | |||
3757 | chptra = strchr(first, '='); | ||
3758 | if (chptra) | ||
3759 | chptra += 1; | ||
3760 | |||
3761 | chptrb = strchr(second, '='); | ||
3762 | if (chptrb) | ||
3763 | chptrb += 1; | ||
3764 | |||
3765 | if (!chptra && !chptrb) | ||
3766 | return 0; | ||
3767 | niro | 3150 | else if (!chptra && chptrb) |
3768 | niro | 3136 | return *chptrb - 0; |
3769 | niro | 3150 | else if (!chptrb && chptra) |
3770 | niro | 3136 | return 0 - *chptra; |
3771 | else | ||
3772 | return strcmp(chptra, chptrb); | ||
3773 | niro | 532 | } |
3774 | |||
3775 | niro | 3002 | int updateActualImage(struct grubConfig *cfg, const char *image, |
3776 | const char *prefix, const char *addArgs, | ||
3777 | const char *removeArgs, int multibootArgs) | ||
3778 | { | ||
3779 | struct singleEntry *entry; | ||
3780 | struct singleLine *line, *rootLine; | ||
3781 | int index = 0; | ||
3782 | int i, k; | ||
3783 | const char **newArgs, **oldArgs; | ||
3784 | const char **arg; | ||
3785 | int useKernelArgs, useRoot; | ||
3786 | int firstElement; | ||
3787 | int *usedElements; | ||
3788 | int doreplace; | ||
3789 | niro | 532 | |
3790 | niro | 3002 | if (!image) |
3791 | return 0; | ||
3792 | niro | 532 | |
3793 | niro | 3002 | if (!addArgs) { |
3794 | newArgs = malloc(sizeof(*newArgs)); | ||
3795 | *newArgs = NULL; | ||
3796 | } else { | ||
3797 | if (poptParseArgvString(addArgs, NULL, &newArgs)) { | ||
3798 | fprintf(stderr, | ||
3799 | _("grubby: error separating arguments '%s'\n"), | ||
3800 | addArgs); | ||
3801 | return 1; | ||
3802 | } | ||
3803 | niro | 532 | } |
3804 | |||
3805 | niro | 3002 | if (!removeArgs) { |
3806 | oldArgs = malloc(sizeof(*oldArgs)); | ||
3807 | *oldArgs = NULL; | ||
3808 | } else { | ||
3809 | if (poptParseArgvString(removeArgs, NULL, &oldArgs)) { | ||
3810 | fprintf(stderr, | ||
3811 | _("grubby: error separating arguments '%s'\n"), | ||
3812 | removeArgs); | ||
3813 | free(newArgs); | ||
3814 | return 1; | ||
3815 | } | ||
3816 | niro | 532 | } |
3817 | |||
3818 | niro | 3002 | useKernelArgs = (getKeywordByType(LT_KERNELARGS, cfg->cfi) |
3819 | && (!multibootArgs || cfg->cfi->mbConcatArgs)); | ||
3820 | niro | 532 | |
3821 | niro | 3002 | useRoot = (getKeywordByType(LT_ROOT, cfg->cfi) |
3822 | && !multibootArgs); | ||
3823 | niro | 532 | |
3824 | niro | 3002 | for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
3825 | niro | 532 | |
3826 | niro | 3002 | if (multibootArgs && !entry->multiboot) |
3827 | continue; | ||
3828 | niro | 532 | |
3829 | niro | 3002 | /* Determine where to put the args. If this config supports |
3830 | * LT_KERNELARGS, use that. Otherwise use | ||
3831 | * LT_HYPER/LT_KERNEL/LT_MBMODULE lines. | ||
3832 | */ | ||
3833 | if (useKernelArgs) { | ||
3834 | line = getLineByType(LT_KERNELARGS, entry->lines); | ||
3835 | if (!line) { | ||
3836 | /* no LT_KERNELARGS, need to add it */ | ||
3837 | line = addLine(entry, cfg->cfi, LT_KERNELARGS, | ||
3838 | cfg->secondaryIndent, NULL); | ||
3839 | } | ||
3840 | firstElement = 1; | ||
3841 | niro | 532 | |
3842 | niro | 3002 | } else if (multibootArgs) { |
3843 | line = getLineByType(LT_HYPER, entry->lines); | ||
3844 | if (!line) { | ||
3845 | /* a multiboot entry without LT_HYPER? */ | ||
3846 | continue; | ||
3847 | } | ||
3848 | firstElement = 2; | ||
3849 | niro | 532 | |
3850 | niro | 3002 | } else { |
3851 | line = | ||
3852 | getLineByType(LT_KERNEL | LT_MBMODULE | | ||
3853 | LT_KERNEL_EFI | LT_KERNEL_16, | ||
3854 | entry->lines); | ||
3855 | if (!line) { | ||
3856 | /* no LT_KERNEL or LT_MBMODULE in this entry? */ | ||
3857 | continue; | ||
3858 | } | ||
3859 | firstElement = 2; | ||
3860 | } | ||
3861 | niro | 914 | |
3862 | niro | 3002 | /* handle the elilo case which does: |
3863 | * append="hypervisor args -- kernel args" | ||
3864 | niro | 914 | */ |
3865 | niro | 3002 | if (entry->multiboot && cfg->cfi->mbConcatArgs) { |
3866 | /* this is a multiboot entry, make sure there's | ||
3867 | * -- on the args line | ||
3868 | */ | ||
3869 | for (i = firstElement; i < line->numElements; i++) { | ||
3870 | if (!strcmp(line->elements[i].item, "--")) | ||
3871 | break; | ||
3872 | } | ||
3873 | if (i == line->numElements) { | ||
3874 | /* assume all existing args are kernel args, | ||
3875 | * prepend -- to make it official | ||
3876 | */ | ||
3877 | insertElement(line, "--", firstElement, | ||
3878 | cfg->cfi); | ||
3879 | i = firstElement; | ||
3880 | } | ||
3881 | if (!multibootArgs) { | ||
3882 | /* kernel args start after the -- */ | ||
3883 | firstElement = i + 1; | ||
3884 | } | ||
3885 | } else if (cfg->cfi->mbConcatArgs) { | ||
3886 | /* this is a non-multiboot entry, remove hyper args */ | ||
3887 | for (i = firstElement; i < line->numElements; i++) { | ||
3888 | if (!strcmp(line->elements[i].item, "--")) | ||
3889 | break; | ||
3890 | } | ||
3891 | if (i < line->numElements) { | ||
3892 | /* remove args up to -- */ | ||
3893 | while (strcmp | ||
3894 | (line->elements[firstElement].item, | ||
3895 | "--")) | ||
3896 | removeElement(line, firstElement); | ||
3897 | /* remove -- */ | ||
3898 | removeElement(line, firstElement); | ||
3899 | } | ||
3900 | } | ||
3901 | niro | 532 | |
3902 | niro | 3002 | usedElements = calloc(line->numElements, sizeof(*usedElements)); |
3903 | niro | 532 | |
3904 | niro | 3002 | for (k = 0, arg = newArgs; *arg; arg++, k++) { |
3905 | niro | 914 | |
3906 | niro | 3002 | doreplace = 1; |
3907 | for (i = firstElement; i < line->numElements; i++) { | ||
3908 | if (multibootArgs && cfg->cfi->mbConcatArgs && | ||
3909 | !strcmp(line->elements[i].item, "--")) { | ||
3910 | /* reached the end of hyper args, insert here */ | ||
3911 | doreplace = 0; | ||
3912 | break; | ||
3913 | } | ||
3914 | if (usedElements[i]) | ||
3915 | continue; | ||
3916 | niro | 3136 | if (!argNameMatch(line->elements[i].item, *arg)) { |
3917 | niro | 3002 | usedElements[i] = 1; |
3918 | break; | ||
3919 | } | ||
3920 | } | ||
3921 | niro | 532 | |
3922 | niro | 3002 | if (i < line->numElements && doreplace) { |
3923 | /* direct replacement */ | ||
3924 | free(line->elements[i].item); | ||
3925 | line->elements[i].item = strdup(*arg); | ||
3926 | niro | 532 | |
3927 | niro | 3002 | } else if (useRoot && !strncmp(*arg, "root=/dev/", 10)) { |
3928 | /* root= replacement */ | ||
3929 | rootLine = getLineByType(LT_ROOT, entry->lines); | ||
3930 | if (rootLine) { | ||
3931 | free(rootLine->elements[1].item); | ||
3932 | rootLine->elements[1].item = | ||
3933 | strdup(*arg + 5); | ||
3934 | } else { | ||
3935 | rootLine = | ||
3936 | addLine(entry, cfg->cfi, LT_ROOT, | ||
3937 | cfg->secondaryIndent, | ||
3938 | *arg + 5); | ||
3939 | } | ||
3940 | } | ||
3941 | niro | 532 | |
3942 | niro | 3002 | else { |
3943 | /* insert/append */ | ||
3944 | insertElement(line, *arg, i, cfg->cfi); | ||
3945 | usedElements = | ||
3946 | realloc(usedElements, | ||
3947 | line->numElements * | ||
3948 | sizeof(*usedElements)); | ||
3949 | memmove(&usedElements[i + 1], &usedElements[i], | ||
3950 | line->numElements - i - 1); | ||
3951 | usedElements[i] = 1; | ||
3952 | niro | 532 | |
3953 | niro | 3002 | /* if we updated a root= here even though |
3954 | * there is a LT_ROOT available we need to | ||
3955 | * remove the LT_ROOT entry (this will happen | ||
3956 | * if we switch from a device to a label) */ | ||
3957 | if (useRoot && !strncmp(*arg, "root=", 5)) { | ||
3958 | rootLine = | ||
3959 | getLineByType(LT_ROOT, | ||
3960 | entry->lines); | ||
3961 | if (rootLine) | ||
3962 | removeLine(entry, rootLine); | ||
3963 | } | ||
3964 | } | ||
3965 | niro | 532 | } |
3966 | |||
3967 | niro | 3002 | free(usedElements); |
3968 | niro | 532 | |
3969 | niro | 3002 | for (arg = oldArgs; *arg; arg++) { |
3970 | for (i = firstElement; i < line->numElements; i++) { | ||
3971 | if (multibootArgs && cfg->cfi->mbConcatArgs && | ||
3972 | !strcmp(line->elements[i].item, "--")) | ||
3973 | /* reached the end of hyper args, stop here */ | ||
3974 | break; | ||
3975 | niro | 3136 | if (!argNameMatch(line->elements[i].item, *arg)) { |
3976 | if (!argHasValue(*arg) || | ||
3977 | !argValueMatch(line->elements[i].item, *arg)) { | ||
3978 | removeElement(line, i); | ||
3979 | break; | ||
3980 | } | ||
3981 | niro | 3002 | } |
3982 | } | ||
3983 | /* handle removing LT_ROOT line too */ | ||
3984 | if (useRoot && !strncmp(*arg, "root=", 5)) { | ||
3985 | rootLine = getLineByType(LT_ROOT, entry->lines); | ||
3986 | if (rootLine) | ||
3987 | removeLine(entry, rootLine); | ||
3988 | } | ||
3989 | niro | 532 | } |
3990 | |||
3991 | niro | 3002 | if (line->numElements == 1) { |
3992 | /* don't need the line at all (note it has to be a | ||
3993 | LT_KERNELARGS for this to happen */ | ||
3994 | removeLine(entry, line); | ||
3995 | } | ||
3996 | niro | 532 | } |
3997 | |||
3998 | niro | 3002 | free(newArgs); |
3999 | free(oldArgs); | ||
4000 | niro | 532 | |
4001 | niro | 3002 | return 0; |
4002 | niro | 532 | } |
4003 | |||
4004 | niro | 3002 | int updateImage(struct grubConfig *cfg, const char *image, |
4005 | const char *prefix, const char *addArgs, | ||
4006 | const char *removeArgs, | ||
4007 | const char *addMBArgs, const char *removeMBArgs) | ||
4008 | { | ||
4009 | int rc = 0; | ||
4010 | niro | 532 | |
4011 | niro | 3002 | if (!image) |
4012 | return rc; | ||
4013 | niro | 532 | |
4014 | niro | 3002 | /* update the main args first... */ |
4015 | if (addArgs || removeArgs) | ||
4016 | rc = updateActualImage(cfg, image, prefix, addArgs, removeArgs, | ||
4017 | 0); | ||
4018 | if (rc) | ||
4019 | return rc; | ||
4020 | niro | 532 | |
4021 | niro | 3002 | /* and now any multiboot args */ |
4022 | if (addMBArgs || removeMBArgs) | ||
4023 | rc = updateActualImage(cfg, image, prefix, addMBArgs, | ||
4024 | removeMBArgs, 1); | ||
4025 | return rc; | ||
4026 | niro | 532 | } |
4027 | |||
4028 | niro | 3002 | int addMBInitrd(struct grubConfig *cfg, const char *newMBKernel, |
4029 | const char *image, const char *prefix, const char *initrd, | ||
4030 | const char *title) | ||
4031 | { | ||
4032 | struct singleEntry *entry; | ||
4033 | struct singleLine *line, *kernelLine, *endLine = NULL; | ||
4034 | int index = 0; | ||
4035 | niro | 2263 | |
4036 | niro | 3002 | if (!image) |
4037 | return 0; | ||
4038 | niro | 2263 | |
4039 | niro | 3002 | for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
4040 | kernelLine = getLineByType(LT_MBMODULE, entry->lines); | ||
4041 | if (!kernelLine) | ||
4042 | continue; | ||
4043 | niro | 2263 | |
4044 | niro | 3002 | /* if title is supplied, the entry's title must match it. */ |
4045 | if (title) { | ||
4046 | char *linetitle; | ||
4047 | niro | 2962 | |
4048 | niro | 3002 | line = |
4049 | getLineByType(LT_TITLE | LT_MENUENTRY, | ||
4050 | entry->lines); | ||
4051 | if (!line) | ||
4052 | continue; | ||
4053 | niro | 2960 | |
4054 | niro | 3002 | linetitle = extractTitle(cfg, line); |
4055 | if (!linetitle) | ||
4056 | continue; | ||
4057 | if (strcmp(title, linetitle)) { | ||
4058 | free(linetitle); | ||
4059 | continue; | ||
4060 | } | ||
4061 | free(linetitle); | ||
4062 | } | ||
4063 | niro | 2960 | |
4064 | niro | 3002 | if (prefix) { |
4065 | int prefixLen = strlen(prefix); | ||
4066 | if (!strncmp(initrd, prefix, prefixLen)) | ||
4067 | initrd += prefixLen; | ||
4068 | } | ||
4069 | endLine = getLineByType(LT_ENTRY_END, entry->lines); | ||
4070 | if (endLine) | ||
4071 | removeLine(entry, endLine); | ||
4072 | line = | ||
4073 | addLine(entry, cfg->cfi, | ||
4074 | preferredLineType(LT_MBMODULE, cfg->cfi), | ||
4075 | kernelLine->indent, initrd); | ||
4076 | if (!line) | ||
4077 | return 1; | ||
4078 | if (endLine) { | ||
4079 | line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL); | ||
4080 | if (!line) | ||
4081 | return 1; | ||
4082 | } | ||
4083 | |||
4084 | break; | ||
4085 | niro | 2263 | } |
4086 | |||
4087 | niro | 3002 | return 0; |
4088 | niro | 2263 | } |
4089 | |||
4090 | niro | 3002 | int updateInitrd(struct grubConfig *cfg, const char *image, |
4091 | const char *prefix, const char *initrd, const char *title) | ||
4092 | { | ||
4093 | struct singleEntry *entry; | ||
4094 | struct singleLine *line, *kernelLine, *endLine = NULL; | ||
4095 | int index = 0; | ||
4096 | niro | 1156 | |
4097 | niro | 3002 | if (!image) |
4098 | return 0; | ||
4099 | niro | 1156 | |
4100 | niro | 3002 | for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
4101 | kernelLine = | ||
4102 | getLineByType(LT_KERNEL | LT_KERNEL_EFI | LT_KERNEL_16, | ||
4103 | entry->lines); | ||
4104 | if (!kernelLine) | ||
4105 | continue; | ||
4106 | niro | 1156 | |
4107 | niro | 3002 | /* if title is supplied, the entry's title must match it. */ |
4108 | if (title) { | ||
4109 | char *linetitle; | ||
4110 | niro | 2962 | |
4111 | niro | 3002 | line = |
4112 | getLineByType(LT_TITLE | LT_MENUENTRY, | ||
4113 | entry->lines); | ||
4114 | if (!line) | ||
4115 | continue; | ||
4116 | niro | 2960 | |
4117 | niro | 3002 | linetitle = extractTitle(cfg, line); |
4118 | if (!linetitle) | ||
4119 | continue; | ||
4120 | if (strcmp(title, linetitle)) { | ||
4121 | free(linetitle); | ||
4122 | continue; | ||
4123 | } | ||
4124 | free(linetitle); | ||
4125 | } | ||
4126 | niro | 2960 | |
4127 | niro | 3002 | line = |
4128 | getLineByType(LT_INITRD | LT_INITRD_EFI | LT_INITRD_16, | ||
4129 | entry->lines); | ||
4130 | if (line) | ||
4131 | removeLine(entry, line); | ||
4132 | if (prefix) { | ||
4133 | int prefixLen = strlen(prefix); | ||
4134 | if (!strncmp(initrd, prefix, prefixLen)) | ||
4135 | initrd += prefixLen; | ||
4136 | } | ||
4137 | endLine = getLineByType(LT_ENTRY_END, entry->lines); | ||
4138 | if (endLine) | ||
4139 | removeLine(entry, endLine); | ||
4140 | enum lineType_e lt; | ||
4141 | switch (kernelLine->type) { | ||
4142 | case LT_KERNEL: | ||
4143 | lt = LT_INITRD; | ||
4144 | break; | ||
4145 | case LT_KERNEL_EFI: | ||
4146 | lt = LT_INITRD_EFI; | ||
4147 | break; | ||
4148 | case LT_KERNEL_16: | ||
4149 | lt = LT_INITRD_16; | ||
4150 | break; | ||
4151 | default: | ||
4152 | lt = preferredLineType(LT_INITRD, cfg->cfi); | ||
4153 | } | ||
4154 | line = addLine(entry, cfg->cfi, lt, kernelLine->indent, initrd); | ||
4155 | if (!line) | ||
4156 | return 1; | ||
4157 | if (endLine) { | ||
4158 | line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL); | ||
4159 | if (!line) | ||
4160 | return 1; | ||
4161 | } | ||
4162 | |||
4163 | niro | 2683 | break; |
4164 | } | ||
4165 | niro | 1696 | |
4166 | niro | 3002 | return 0; |
4167 | niro | 1156 | } |
4168 | |||
4169 | niro | 3002 | int checkDeviceBootloader(const char *device, const unsigned char *boot) |
4170 | { | ||
4171 | int fd; | ||
4172 | unsigned char bootSect[512]; | ||
4173 | int offset; | ||
4174 | niro | 532 | |
4175 | niro | 3002 | fd = open(device, O_RDONLY); |
4176 | if (fd < 0) { | ||
4177 | fprintf(stderr, _("grubby: unable to open %s: %s\n"), | ||
4178 | device, strerror(errno)); | ||
4179 | return 1; | ||
4180 | } | ||
4181 | niro | 532 | |
4182 | niro | 3002 | if (read(fd, bootSect, 512) != 512) { |
4183 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
4184 | device, strerror(errno)); | ||
4185 | return 1; | ||
4186 | } | ||
4187 | close(fd); | ||
4188 | niro | 532 | |
4189 | niro | 3002 | /* first three bytes should match, a jmp short should be in there */ |
4190 | if (memcmp(boot, bootSect, 3)) | ||
4191 | return 0; | ||
4192 | niro | 532 | |
4193 | niro | 3002 | if (boot[1] == JMP_SHORT_OPCODE) { |
4194 | offset = boot[2] + 2; | ||
4195 | } else if (boot[1] == 0xe8 || boot[1] == 0xe9) { | ||
4196 | offset = (boot[3] << 8) + boot[2] + 2; | ||
4197 | } else if (boot[0] == JMP_SHORT_OPCODE) { | ||
4198 | offset = boot[1] + 2; | ||
4199 | /* | ||
4200 | * it looks like grub, when copying stage1 into the mbr, | ||
4201 | * patches stage1 right after the JMP location, replacing | ||
4202 | * other instructions such as JMPs for NOOPs. So, relax the | ||
4203 | * check a little bit by skipping those different bytes. | ||
4204 | */ | ||
4205 | if ((bootSect[offset + 1] == NOOP_OPCODE) | ||
4206 | && (bootSect[offset + 2] == NOOP_OPCODE)) { | ||
4207 | offset = offset + 3; | ||
4208 | } | ||
4209 | } else if (boot[0] == 0xe8 || boot[0] == 0xe9) { | ||
4210 | offset = (boot[2] << 8) + boot[1] + 2; | ||
4211 | } else { | ||
4212 | return 0; | ||
4213 | } | ||
4214 | niro | 532 | |
4215 | niro | 3002 | if (memcmp(boot + offset, bootSect + offset, CODE_SEG_SIZE)) |
4216 | return 0; | ||
4217 | niro | 532 | |
4218 | niro | 3002 | return 2; |
4219 | niro | 532 | } |
4220 | |||
4221 | niro | 3002 | int checkLiloOnRaid(char *mdDev, const unsigned char *boot) |
4222 | { | ||
4223 | int fd; | ||
4224 | char buf[65536]; | ||
4225 | char *end; | ||
4226 | char *chptr; | ||
4227 | char *chptr2; | ||
4228 | int rc; | ||
4229 | niro | 532 | |
4230 | niro | 3002 | /* it's on raid; we need to parse /proc/mdstat and check all of the |
4231 | *raw* devices listed in there */ | ||
4232 | niro | 532 | |
4233 | niro | 3002 | if (!strncmp(mdDev, "/dev/", 5)) |
4234 | mdDev += 5; | ||
4235 | niro | 532 | |
4236 | niro | 3002 | if ((fd = open("/proc/mdstat", O_RDONLY)) < 0) { |
4237 | fprintf(stderr, _("grubby: failed to open /proc/mdstat: %s\n"), | ||
4238 | strerror(errno)); | ||
4239 | return 2; | ||
4240 | } | ||
4241 | niro | 532 | |
4242 | niro | 3002 | rc = read(fd, buf, sizeof(buf) - 1); |
4243 | if (rc < 0 || rc == (sizeof(buf) - 1)) { | ||
4244 | fprintf(stderr, _("grubby: failed to read /proc/mdstat: %s\n"), | ||
4245 | strerror(errno)); | ||
4246 | close(fd); | ||
4247 | return 2; | ||
4248 | } | ||
4249 | niro | 532 | close(fd); |
4250 | niro | 3002 | buf[rc] = '\0'; |
4251 | niro | 532 | |
4252 | niro | 3002 | chptr = buf; |
4253 | while (*chptr) { | ||
4254 | end = strchr(chptr, '\n'); | ||
4255 | if (!end) | ||
4256 | break; | ||
4257 | *end = '\0'; | ||
4258 | niro | 532 | |
4259 | niro | 3002 | if (!strncmp(chptr, mdDev, strlen(mdDev)) && |
4260 | chptr[strlen(mdDev)] == ' ') { | ||
4261 | niro | 532 | |
4262 | niro | 3002 | /* found the device */ |
4263 | while (*chptr && *chptr != ':') | ||
4264 | chptr++; | ||
4265 | chptr++; | ||
4266 | while (*chptr && isspace(*chptr)) | ||
4267 | chptr++; | ||
4268 | niro | 532 | |
4269 | niro | 3002 | /* skip the "active" bit */ |
4270 | while (*chptr && !isspace(*chptr)) | ||
4271 | chptr++; | ||
4272 | while (*chptr && isspace(*chptr)) | ||
4273 | chptr++; | ||
4274 | niro | 532 | |
4275 | niro | 3002 | /* skip the raid level */ |
4276 | while (*chptr && !isspace(*chptr)) | ||
4277 | chptr++; | ||
4278 | while (*chptr && isspace(*chptr)) | ||
4279 | chptr++; | ||
4280 | niro | 532 | |
4281 | niro | 3002 | /* everything else is partition stuff */ |
4282 | while (*chptr) { | ||
4283 | chptr2 = chptr; | ||
4284 | while (*chptr2 && *chptr2 != '[') | ||
4285 | chptr2++; | ||
4286 | if (!*chptr2) | ||
4287 | break; | ||
4288 | niro | 532 | |
4289 | niro | 3002 | /* yank off the numbers at the end */ |
4290 | chptr2--; | ||
4291 | while (isdigit(*chptr2) && chptr2 > chptr) | ||
4292 | chptr2--; | ||
4293 | chptr2++; | ||
4294 | *chptr2 = '\0'; | ||
4295 | niro | 532 | |
4296 | niro | 3002 | /* Better, now we need the /dev/ back. We're |
4297 | * done with everything before this point, so | ||
4298 | * we can just put the /dev/ part there. | ||
4299 | * There will always be room. */ | ||
4300 | memcpy(chptr - 5, "/dev/", 5); | ||
4301 | rc = checkDeviceBootloader(chptr - 5, boot); | ||
4302 | if (rc != 2) { | ||
4303 | return rc; | ||
4304 | } | ||
4305 | |||
4306 | chptr = chptr2 + 1; | ||
4307 | /* skip the [11] bit */ | ||
4308 | while (*chptr && !isspace(*chptr)) | ||
4309 | chptr++; | ||
4310 | /* and move to the next one */ | ||
4311 | while (*chptr && isspace(*chptr)) | ||
4312 | chptr++; | ||
4313 | } | ||
4314 | |||
4315 | /* we're good to go */ | ||
4316 | return 2; | ||
4317 | niro | 532 | } |
4318 | |||
4319 | niro | 3002 | chptr = end + 1; |
4320 | niro | 532 | } |
4321 | |||
4322 | niro | 3002 | fprintf(stderr, |
4323 | _("grubby: raid device /dev/%s not found in /proc/mdstat\n"), | ||
4324 | mdDev); | ||
4325 | return 0; | ||
4326 | niro | 532 | } |
4327 | |||
4328 | niro | 3002 | int checkForLilo(struct grubConfig *config) |
4329 | { | ||
4330 | int fd; | ||
4331 | unsigned char boot[512]; | ||
4332 | struct singleLine *line; | ||
4333 | niro | 532 | |
4334 | niro | 3002 | for (line = config->theLines; line; line = line->next) |
4335 | if (line->type == LT_BOOT) | ||
4336 | break; | ||
4337 | niro | 532 | |
4338 | niro | 3002 | if (!line) { |
4339 | fprintf(stderr, | ||
4340 | _ | ||
4341 | ("grubby: no boot line found in lilo configuration\n")); | ||
4342 | return 1; | ||
4343 | } | ||
4344 | niro | 532 | |
4345 | niro | 3002 | if (line->numElements != 2) |
4346 | return 1; | ||
4347 | niro | 532 | |
4348 | niro | 3002 | fd = open("/boot/boot.b", O_RDONLY); |
4349 | if (fd < 0) { | ||
4350 | fprintf(stderr, _("grubby: unable to open %s: %s\n"), | ||
4351 | "/boot/boot.b", strerror(errno)); | ||
4352 | return 1; | ||
4353 | } | ||
4354 | niro | 532 | |
4355 | niro | 3002 | if (read(fd, boot, 512) != 512) { |
4356 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
4357 | "/boot/boot.b", strerror(errno)); | ||
4358 | return 1; | ||
4359 | } | ||
4360 | close(fd); | ||
4361 | niro | 532 | |
4362 | niro | 3002 | if (!strncmp("/dev/md", line->elements[1].item, 7)) |
4363 | return checkLiloOnRaid(line->elements[1].item, boot); | ||
4364 | niro | 532 | |
4365 | niro | 3002 | return checkDeviceBootloader(line->elements[1].item, boot); |
4366 | niro | 532 | } |
4367 | |||
4368 | niro | 3002 | int checkForGrub2(struct grubConfig *config) |
4369 | { | ||
4370 | if (!access("/etc/grub.d/", R_OK)) | ||
4371 | return 2; | ||
4372 | niro | 1696 | |
4373 | niro | 3002 | return 1; |
4374 | niro | 1696 | } |
4375 | |||
4376 | niro | 3002 | int checkForGrub(struct grubConfig *config) |
4377 | { | ||
4378 | int fd; | ||
4379 | unsigned char bootSect[512]; | ||
4380 | char *boot; | ||
4381 | int onSuse = isSuseSystem(); | ||
4382 | niro | 532 | |
4383 | niro | 3002 | if (onSuse) { |
4384 | if (parseSuseGrubConf(NULL, &boot)) | ||
4385 | return 0; | ||
4386 | } else { | ||
4387 | if (parseSysconfigGrub(NULL, &boot)) | ||
4388 | return 0; | ||
4389 | } | ||
4390 | niro | 1851 | |
4391 | niro | 3002 | /* assume grub is not installed -- not an error condition */ |
4392 | if (!boot) | ||
4393 | return 0; | ||
4394 | niro | 532 | |
4395 | niro | 3002 | fd = open("/boot/grub/stage1", O_RDONLY); |
4396 | if (fd < 0) | ||
4397 | /* this doesn't exist if grub hasn't been installed */ | ||
4398 | return 0; | ||
4399 | niro | 532 | |
4400 | niro | 3002 | if (read(fd, bootSect, 512) != 512) { |
4401 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
4402 | "/boot/grub/stage1", strerror(errno)); | ||
4403 | close(fd); | ||
4404 | return 1; | ||
4405 | } | ||
4406 | close(fd); | ||
4407 | niro | 532 | |
4408 | niro | 3002 | /* The more elaborate checks do not work on SuSE. The checks done |
4409 | * seem to be reasonble (at least for now), so just return success | ||
4410 | */ | ||
4411 | if (onSuse) | ||
4412 | return 2; | ||
4413 | niro | 532 | |
4414 | niro | 3002 | return checkDeviceBootloader(boot, bootSect); |
4415 | niro | 532 | } |
4416 | |||
4417 | niro | 3002 | int checkForExtLinux(struct grubConfig *config) |
4418 | { | ||
4419 | int fd; | ||
4420 | unsigned char bootSect[512]; | ||
4421 | char *boot; | ||
4422 | char executable[] = "/boot/extlinux/extlinux"; | ||
4423 | niro | 914 | |
4424 | niro | 3002 | printf("entered: checkForExtLinux()\n"); |
4425 | niro | 914 | |
4426 | niro | 3002 | if (parseSysconfigGrub(NULL, &boot)) |
4427 | return 0; | ||
4428 | niro | 914 | |
4429 | niro | 3002 | /* assume grub is not installed -- not an error condition */ |
4430 | if (!boot) | ||
4431 | return 0; | ||
4432 | niro | 914 | |
4433 | niro | 3002 | fd = open(executable, O_RDONLY); |
4434 | if (fd < 0) | ||
4435 | /* this doesn't exist if grub hasn't been installed */ | ||
4436 | return 0; | ||
4437 | niro | 914 | |
4438 | niro | 3002 | if (read(fd, bootSect, 512) != 512) { |
4439 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
4440 | executable, strerror(errno)); | ||
4441 | return 1; | ||
4442 | } | ||
4443 | close(fd); | ||
4444 | niro | 914 | |
4445 | niro | 3002 | return checkDeviceBootloader(boot, bootSect); |
4446 | niro | 914 | } |
4447 | |||
4448 | niro | 3002 | int checkForYaboot(struct grubConfig *config) |
4449 | { | ||
4450 | /* | ||
4451 | * This is a simplistic check that we consider good enough for own puporses | ||
4452 | * | ||
4453 | * If we were to properly check if yaboot is *installed* we'd need to: | ||
4454 | * 1) get the system boot device (LT_BOOT) | ||
4455 | * 2) considering it's a raw filesystem, check if the yaboot binary matches | ||
4456 | * the content on the boot device | ||
4457 | * 3) if not, copy the binary to a temporary file and run "addnote" on it | ||
4458 | * 4) check again if binary and boot device contents match | ||
4459 | */ | ||
4460 | if (!access("/etc/yaboot.conf", R_OK)) | ||
4461 | return 2; | ||
4462 | niro | 1853 | |
4463 | niro | 3002 | return 1; |
4464 | niro | 1853 | } |
4465 | |||
4466 | niro | 3002 | int checkForElilo(struct grubConfig *config) |
4467 | { | ||
4468 | if (!access("/etc/elilo.conf", R_OK)) | ||
4469 | return 2; | ||
4470 | niro | 1854 | |
4471 | niro | 3002 | return 1; |
4472 | niro | 1854 | } |
4473 | |||
4474 | niro | 3138 | static size_t getRootSpecifier(const char *str) |
4475 | niro | 3002 | { |
4476 | niro | 3138 | size_t rs = 0; |
4477 | niro | 532 | |
4478 | niro | 3002 | if (*str == '(') { |
4479 | niro | 3138 | for (; str[rs] != ')' && !isspace(str[rs]); rs++) { |
4480 | if (!str[rs]) | ||
4481 | return rs; | ||
4482 | } | ||
4483 | rs++; | ||
4484 | niro | 3002 | } |
4485 | niro | 3138 | |
4486 | niro | 3139 | return rs + subvolPrefix(str + rs); |
4487 | niro | 532 | } |
4488 | |||
4489 | niro | 3002 | static char *getInitrdVal(struct grubConfig *config, |
4490 | const char *prefix, struct singleLine *tmplLine, | ||
4491 | const char *newKernelInitrd, | ||
4492 | const char **extraInitrds, int extraInitrdCount) | ||
4493 | niro | 914 | { |
4494 | niro | 3002 | char *initrdVal, *end; |
4495 | int i; | ||
4496 | size_t totalSize; | ||
4497 | size_t prefixLen; | ||
4498 | char separatorChar; | ||
4499 | niro | 914 | |
4500 | niro | 3002 | prefixLen = strlen(prefix); |
4501 | totalSize = strlen(newKernelInitrd) - prefixLen + 1 /* \0 */ ; | ||
4502 | niro | 914 | |
4503 | niro | 3002 | for (i = 0; i < extraInitrdCount; i++) { |
4504 | totalSize += sizeof(separatorChar); | ||
4505 | totalSize += strlen(extraInitrds[i]) - prefixLen; | ||
4506 | } | ||
4507 | niro | 914 | |
4508 | niro | 3002 | initrdVal = end = malloc(totalSize); |
4509 | niro | 914 | |
4510 | niro | 3002 | end = stpcpy(end, newKernelInitrd + prefixLen); |
4511 | niro | 914 | |
4512 | niro | 3002 | separatorChar = getKeywordByType(LT_INITRD, config->cfi)->separatorChar; |
4513 | for (i = 0; i < extraInitrdCount; i++) { | ||
4514 | const char *extraInitrd; | ||
4515 | int j; | ||
4516 | niro | 914 | |
4517 | niro | 3002 | extraInitrd = extraInitrds[i] + prefixLen; |
4518 | /* Don't add entries that are already there */ | ||
4519 | if (tmplLine != NULL) { | ||
4520 | for (j = 2; j < tmplLine->numElements; j++) | ||
4521 | if (strcmp | ||
4522 | (extraInitrd, | ||
4523 | tmplLine->elements[j].item) == 0) | ||
4524 | break; | ||
4525 | niro | 914 | |
4526 | niro | 3002 | if (j != tmplLine->numElements) |
4527 | continue; | ||
4528 | } | ||
4529 | |||
4530 | *end++ = separatorChar; | ||
4531 | end = stpcpy(end, extraInitrd); | ||
4532 | niro | 914 | } |
4533 | |||
4534 | niro | 3002 | return initrdVal; |
4535 | niro | 914 | } |
4536 | |||
4537 | niro | 3002 | int addNewKernel(struct grubConfig *config, struct singleEntry *template, |
4538 | const char *prefix, | ||
4539 | const char *newKernelPath, const char *newKernelTitle, | ||
4540 | const char *newKernelArgs, const char *newKernelInitrd, | ||
4541 | const char **extraInitrds, int extraInitrdCount, | ||
4542 | const char *newMBKernel, const char *newMBKernelArgs, | ||
4543 | niro | 3007 | const char *newDevTreePath, int newIndex) |
4544 | niro | 3002 | { |
4545 | niro | 3007 | struct singleEntry *new, *entry, *prev = NULL; |
4546 | niro | 3002 | struct singleLine *newLine = NULL, *tmplLine = NULL, *masterLine = NULL; |
4547 | int needs; | ||
4548 | niro | 3010 | char *indexs; |
4549 | niro | 3002 | char *chptr; |
4550 | niro | 3010 | int rc; |
4551 | niro | 532 | |
4552 | niro | 3002 | if (!newKernelPath) |
4553 | return 0; | ||
4554 | niro | 532 | |
4555 | niro | 3010 | rc = asprintf(&indexs, "%d", newIndex); |
4556 | if (rc < 0) | ||
4557 | return 1; | ||
4558 | |||
4559 | niro | 3002 | /* if the newKernelTitle is too long silently munge it into something |
4560 | * we can live with. truncating is first check, then we'll just mess with | ||
4561 | * it until it looks better */ | ||
4562 | if (config->cfi->maxTitleLength && | ||
4563 | niro | 532 | (strlen(newKernelTitle) > config->cfi->maxTitleLength)) { |
4564 | niro | 3002 | char *buf = alloca(config->cfi->maxTitleLength + 7); |
4565 | char *numBuf = alloca(config->cfi->maxTitleLength + 1); | ||
4566 | int i = 1; | ||
4567 | niro | 532 | |
4568 | niro | 3002 | sprintf(buf, "TITLE=%.*s", config->cfi->maxTitleLength, |
4569 | newKernelTitle); | ||
4570 | while (findEntryByPath(config, buf, NULL, NULL)) { | ||
4571 | sprintf(numBuf, "%d", i++); | ||
4572 | strcpy(buf + strlen(buf) - strlen(numBuf), numBuf); | ||
4573 | } | ||
4574 | |||
4575 | newKernelTitle = buf + 6; | ||
4576 | niro | 532 | } |
4577 | |||
4578 | niro | 3002 | new = malloc(sizeof(*new)); |
4579 | new->skip = 0; | ||
4580 | new->multiboot = 0; | ||
4581 | new->lines = NULL; | ||
4582 | niro | 3007 | entry = config->entries; |
4583 | for (unsigned int i = 0; i < newIndex; i++) { | ||
4584 | if (!entry) | ||
4585 | break; | ||
4586 | prev = entry; | ||
4587 | entry = entry->next; | ||
4588 | } | ||
4589 | new->next = entry; | ||
4590 | niro | 532 | |
4591 | niro | 3007 | if (prev) |
4592 | prev->next = new; | ||
4593 | else | ||
4594 | config->entries = new; | ||
4595 | |||
4596 | niro | 3002 | /* copy/update from the template */ |
4597 | needs = NEED_KERNEL | NEED_TITLE; | ||
4598 | if (newKernelInitrd) | ||
4599 | needs |= NEED_INITRD; | ||
4600 | if (newMBKernel) { | ||
4601 | needs |= NEED_MB; | ||
4602 | new->multiboot = 1; | ||
4603 | } | ||
4604 | if (newDevTreePath && getKeywordByType(LT_DEVTREE, config->cfi)) | ||
4605 | needs |= NEED_DEVTREE; | ||
4606 | niro | 532 | |
4607 | niro | 3002 | if (template) { |
4608 | for (masterLine = template->lines; | ||
4609 | masterLine && (tmplLine = lineDup(masterLine)); | ||
4610 | lineFree(tmplLine), masterLine = masterLine->next) { | ||
4611 | dbgPrintf("addNewKernel processing %d\n", | ||
4612 | tmplLine->type); | ||
4613 | niro | 532 | |
4614 | niro | 3002 | /* skip comments */ |
4615 | chptr = tmplLine->indent; | ||
4616 | while (*chptr && isspace(*chptr)) | ||
4617 | chptr++; | ||
4618 | if (*chptr == '#') | ||
4619 | continue; | ||
4620 | niro | 532 | |
4621 | niro | 3002 | if (iskernel(tmplLine->type) |
4622 | && tmplLine->numElements >= 2) { | ||
4623 | if (!template->multiboot && (needs & NEED_MB)) { | ||
4624 | /* it's not a multiboot template and | ||
4625 | * this is the kernel line. Try to | ||
4626 | * be intelligent about inserting the | ||
4627 | * hypervisor at the same time. | ||
4628 | */ | ||
4629 | if (config->cfi->mbHyperFirst) { | ||
4630 | /* insert the hypervisor first */ | ||
4631 | newLine = | ||
4632 | addLine(new, config->cfi, | ||
4633 | LT_HYPER, | ||
4634 | tmplLine->indent, | ||
4635 | newMBKernel + | ||
4636 | strlen(prefix)); | ||
4637 | /* set up for adding the | ||
4638 | * kernel line */ | ||
4639 | free(tmplLine->indent); | ||
4640 | tmplLine->indent = | ||
4641 | strdup(config-> | ||
4642 | secondaryIndent); | ||
4643 | needs &= ~NEED_MB; | ||
4644 | } | ||
4645 | if (needs & NEED_KERNEL) { | ||
4646 | /* use addLineTmpl to | ||
4647 | * preserve line elements, | ||
4648 | * otherwise we could just | ||
4649 | * call addLine. | ||
4650 | * Unfortunately this means | ||
4651 | * making some changes to the | ||
4652 | * template such as the | ||
4653 | * indent change above and | ||
4654 | * the type change below. | ||
4655 | */ | ||
4656 | struct keywordTypes *mbm_kw = | ||
4657 | getKeywordByType | ||
4658 | (LT_MBMODULE, config->cfi); | ||
4659 | if (mbm_kw) { | ||
4660 | tmplLine->type = | ||
4661 | LT_MBMODULE; | ||
4662 | free(tmplLine-> | ||
4663 | elements[0].item); | ||
4664 | tmplLine->elements[0]. | ||
4665 | item = | ||
4666 | strdup(mbm_kw->key); | ||
4667 | } | ||
4668 | newLine = | ||
4669 | addLineTmpl(new, tmplLine, | ||
4670 | newLine, | ||
4671 | newKernelPath + | ||
4672 | strlen(prefix), | ||
4673 | config->cfi); | ||
4674 | needs &= ~NEED_KERNEL; | ||
4675 | } | ||
4676 | if (needs & NEED_MB) { /* !mbHyperFirst */ | ||
4677 | newLine = | ||
4678 | addLine(new, config->cfi, | ||
4679 | LT_HYPER, | ||
4680 | config-> | ||
4681 | secondaryIndent, | ||
4682 | newMBKernel + | ||
4683 | strlen(prefix)); | ||
4684 | needs &= ~NEED_MB; | ||
4685 | } | ||
4686 | } else if (needs & NEED_KERNEL) { | ||
4687 | newLine = | ||
4688 | addLineTmpl(new, tmplLine, newLine, | ||
4689 | newKernelPath + | ||
4690 | strlen(prefix), | ||
4691 | config->cfi); | ||
4692 | needs &= ~NEED_KERNEL; | ||
4693 | } | ||
4694 | niro | 532 | |
4695 | niro | 3002 | } else if (tmplLine->type == LT_HYPER && |
4696 | tmplLine->numElements >= 2) { | ||
4697 | if (needs & NEED_MB) { | ||
4698 | newLine = | ||
4699 | addLineTmpl(new, tmplLine, newLine, | ||
4700 | newMBKernel + | ||
4701 | strlen(prefix), | ||
4702 | config->cfi); | ||
4703 | needs &= ~NEED_MB; | ||
4704 | } | ||
4705 | niro | 532 | |
4706 | niro | 3002 | } else if (tmplLine->type == LT_MBMODULE && |
4707 | tmplLine->numElements >= 2) { | ||
4708 | if (new->multiboot) { | ||
4709 | if (needs & NEED_KERNEL) { | ||
4710 | newLine = | ||
4711 | addLineTmpl(new, tmplLine, | ||
4712 | newLine, | ||
4713 | newKernelPath + | ||
4714 | strlen(prefix), | ||
4715 | config->cfi); | ||
4716 | needs &= ~NEED_KERNEL; | ||
4717 | } else if (config->cfi->mbInitRdIsModule | ||
4718 | && (needs & NEED_INITRD)) { | ||
4719 | char *initrdVal; | ||
4720 | initrdVal = | ||
4721 | getInitrdVal(config, prefix, | ||
4722 | tmplLine, | ||
4723 | newKernelInitrd, | ||
4724 | extraInitrds, | ||
4725 | extraInitrdCount); | ||
4726 | newLine = | ||
4727 | addLineTmpl(new, tmplLine, | ||
4728 | newLine, | ||
4729 | initrdVal, | ||
4730 | config->cfi); | ||
4731 | free(initrdVal); | ||
4732 | needs &= ~NEED_INITRD; | ||
4733 | } | ||
4734 | } else if (needs & NEED_KERNEL) { | ||
4735 | /* template is multi but new is not, | ||
4736 | * insert the kernel in the first | ||
4737 | * module slot | ||
4738 | */ | ||
4739 | tmplLine->type = | ||
4740 | preferredLineType(LT_KERNEL, | ||
4741 | config->cfi); | ||
4742 | free(tmplLine->elements[0].item); | ||
4743 | tmplLine->elements[0].item = | ||
4744 | strdup(getKeywordByType | ||
4745 | (tmplLine->type, | ||
4746 | config->cfi)->key); | ||
4747 | newLine = | ||
4748 | addLineTmpl(new, tmplLine, newLine, | ||
4749 | newKernelPath + | ||
4750 | strlen(prefix), | ||
4751 | config->cfi); | ||
4752 | needs &= ~NEED_KERNEL; | ||
4753 | } else if (needs & NEED_INITRD) { | ||
4754 | char *initrdVal; | ||
4755 | /* template is multi but new is not, | ||
4756 | * insert the initrd in the second | ||
4757 | * module slot | ||
4758 | */ | ||
4759 | tmplLine->type = | ||
4760 | preferredLineType(LT_INITRD, | ||
4761 | config->cfi); | ||
4762 | free(tmplLine->elements[0].item); | ||
4763 | tmplLine->elements[0].item = | ||
4764 | strdup(getKeywordByType | ||
4765 | (tmplLine->type, | ||
4766 | config->cfi)->key); | ||
4767 | initrdVal = | ||
4768 | getInitrdVal(config, prefix, | ||
4769 | tmplLine, | ||
4770 | newKernelInitrd, | ||
4771 | extraInitrds, | ||
4772 | extraInitrdCount); | ||
4773 | newLine = | ||
4774 | addLineTmpl(new, tmplLine, newLine, | ||
4775 | initrdVal, config->cfi); | ||
4776 | free(initrdVal); | ||
4777 | needs &= ~NEED_INITRD; | ||
4778 | } | ||
4779 | niro | 532 | |
4780 | niro | 3002 | } else if (isinitrd(tmplLine->type) |
4781 | && tmplLine->numElements >= 2) { | ||
4782 | if (needs & NEED_INITRD && new->multiboot | ||
4783 | && !template->multiboot | ||
4784 | && config->cfi->mbInitRdIsModule) { | ||
4785 | /* make sure we don't insert the | ||
4786 | * module initrd before the module | ||
4787 | * kernel... if we don't do it here, | ||
4788 | * it will be inserted following the | ||
4789 | * template. | ||
4790 | */ | ||
4791 | if (!needs & NEED_KERNEL) { | ||
4792 | char *initrdVal; | ||
4793 | niro | 532 | |
4794 | niro | 3002 | initrdVal = |
4795 | getInitrdVal(config, prefix, | ||
4796 | tmplLine, | ||
4797 | newKernelInitrd, | ||
4798 | extraInitrds, | ||
4799 | extraInitrdCount); | ||
4800 | newLine = | ||
4801 | addLine(new, config->cfi, | ||
4802 | LT_MBMODULE, | ||
4803 | config-> | ||
4804 | secondaryIndent, | ||
4805 | initrdVal); | ||
4806 | free(initrdVal); | ||
4807 | needs &= ~NEED_INITRD; | ||
4808 | } | ||
4809 | } else if (needs & NEED_INITRD) { | ||
4810 | char *initrdVal; | ||
4811 | initrdVal = | ||
4812 | getInitrdVal(config, prefix, | ||
4813 | tmplLine, | ||
4814 | newKernelInitrd, | ||
4815 | extraInitrds, | ||
4816 | extraInitrdCount); | ||
4817 | newLine = | ||
4818 | addLineTmpl(new, tmplLine, newLine, | ||
4819 | initrdVal, config->cfi); | ||
4820 | free(initrdVal); | ||
4821 | needs &= ~NEED_INITRD; | ||
4822 | } | ||
4823 | niro | 532 | |
4824 | niro | 3002 | } else if (tmplLine->type == LT_MENUENTRY && |
4825 | (needs & NEED_TITLE)) { | ||
4826 | requote(tmplLine, config->cfi); | ||
4827 | char *nkt = malloc(strlen(newKernelTitle) + 3); | ||
4828 | strcpy(nkt, "'"); | ||
4829 | strcat(nkt, newKernelTitle); | ||
4830 | strcat(nkt, "'"); | ||
4831 | newLine = | ||
4832 | addLineTmpl(new, tmplLine, newLine, nkt, | ||
4833 | config->cfi); | ||
4834 | free(nkt); | ||
4835 | needs &= ~NEED_TITLE; | ||
4836 | } else if (tmplLine->type == LT_TITLE && | ||
4837 | (needs & NEED_TITLE)) { | ||
4838 | if (tmplLine->numElements >= 2) { | ||
4839 | newLine = | ||
4840 | addLineTmpl(new, tmplLine, newLine, | ||
4841 | newKernelTitle, | ||
4842 | config->cfi); | ||
4843 | needs &= ~NEED_TITLE; | ||
4844 | } else if (tmplLine->numElements == 1 && | ||
4845 | config->cfi->titleBracketed) { | ||
4846 | /* addLineTmpl doesn't handle | ||
4847 | * titleBracketed */ | ||
4848 | newLine = | ||
4849 | addLine(new, config->cfi, LT_TITLE, | ||
4850 | tmplLine->indent, | ||
4851 | newKernelTitle); | ||
4852 | needs &= ~NEED_TITLE; | ||
4853 | } | ||
4854 | } else if (tmplLine->type == LT_ECHO) { | ||
4855 | requote(tmplLine, config->cfi); | ||
4856 | static const char *prefix = "'Loading "; | ||
4857 | if (tmplLine->numElements > 1 && | ||
4858 | strstr(tmplLine->elements[1].item, prefix) | ||
4859 | && masterLine->next | ||
4860 | && iskernel(masterLine->next->type)) { | ||
4861 | char *newTitle = | ||
4862 | malloc(strlen(prefix) + | ||
4863 | strlen(newKernelTitle) + 2); | ||
4864 | niro | 532 | |
4865 | niro | 3002 | strcpy(newTitle, prefix); |
4866 | strcat(newTitle, newKernelTitle); | ||
4867 | strcat(newTitle, "'"); | ||
4868 | newLine = | ||
4869 | addLine(new, config->cfi, LT_ECHO, | ||
4870 | tmplLine->indent, newTitle); | ||
4871 | free(newTitle); | ||
4872 | } else { | ||
4873 | /* pass through other lines from the | ||
4874 | * template */ | ||
4875 | newLine = | ||
4876 | addLineTmpl(new, tmplLine, newLine, | ||
4877 | NULL, config->cfi); | ||
4878 | } | ||
4879 | } else if (tmplLine->type == LT_DEVTREE && | ||
4880 | tmplLine->numElements == 2 | ||
4881 | && newDevTreePath) { | ||
4882 | newLine = | ||
4883 | addLineTmpl(new, tmplLine, newLine, | ||
4884 | newDevTreePath + strlen(prefix), | ||
4885 | niro | 1696 | config->cfi); |
4886 | niro | 3002 | needs &= ~NEED_DEVTREE; |
4887 | } else if (tmplLine->type == LT_ENTRY_END | ||
4888 | && needs & NEED_DEVTREE) { | ||
4889 | const char *ndtp = newDevTreePath; | ||
4890 | if (!strncmp | ||
4891 | (newDevTreePath, prefix, strlen(prefix))) | ||
4892 | ndtp += strlen(prefix); | ||
4893 | newLine = addLine(new, config->cfi, LT_DEVTREE, | ||
4894 | config->secondaryIndent, | ||
4895 | ndtp); | ||
4896 | needs &= ~NEED_DEVTREE; | ||
4897 | newLine = | ||
4898 | addLineTmpl(new, tmplLine, newLine, NULL, | ||
4899 | config->cfi); | ||
4900 | } else { | ||
4901 | /* pass through other lines from the template */ | ||
4902 | newLine = | ||
4903 | addLineTmpl(new, tmplLine, newLine, NULL, | ||
4904 | config->cfi); | ||
4905 | } | ||
4906 | niro | 914 | } |
4907 | |||
4908 | niro | 3002 | } else { |
4909 | /* don't have a template, so start the entry with the | ||
4910 | * appropriate starting line | ||
4911 | */ | ||
4912 | switch (config->cfi->entryStart) { | ||
4913 | case LT_KERNEL: | ||
4914 | case LT_KERNEL_EFI: | ||
4915 | case LT_KERNEL_16: | ||
4916 | if (new->multiboot && config->cfi->mbHyperFirst) { | ||
4917 | /* fall through to LT_HYPER */ | ||
4918 | } else { | ||
4919 | newLine = addLine(new, config->cfi, | ||
4920 | preferredLineType(LT_KERNEL, | ||
4921 | config-> | ||
4922 | cfi), | ||
4923 | config->primaryIndent, | ||
4924 | newKernelPath + | ||
4925 | strlen(prefix)); | ||
4926 | needs &= ~NEED_KERNEL; | ||
4927 | break; | ||
4928 | } | ||
4929 | niro | 532 | |
4930 | niro | 3002 | case LT_HYPER: |
4931 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
4932 | config->primaryIndent, | ||
4933 | newMBKernel + strlen(prefix)); | ||
4934 | needs &= ~NEED_MB; | ||
4935 | break; | ||
4936 | niro | 914 | |
4937 | niro | 3002 | case LT_MENUENTRY:{ |
4938 | char *nkt = malloc(strlen(newKernelTitle) + 3); | ||
4939 | strcpy(nkt, "'"); | ||
4940 | strcat(nkt, newKernelTitle); | ||
4941 | strcat(nkt, "'"); | ||
4942 | newLine = | ||
4943 | addLine(new, config->cfi, LT_MENUENTRY, | ||
4944 | config->primaryIndent, nkt); | ||
4945 | free(nkt); | ||
4946 | needs &= ~NEED_TITLE; | ||
4947 | needs |= NEED_END; | ||
4948 | break; | ||
4949 | } | ||
4950 | case LT_TITLE: | ||
4951 | if (useextlinuxmenu != 0) { // We just need useextlinuxmenu to not be zero (set above) | ||
4952 | char *templabel; | ||
4953 | int x = 0, y = 0; | ||
4954 | |||
4955 | templabel = strdup(newKernelTitle); | ||
4956 | while (templabel[x]) { | ||
4957 | if (templabel[x] == ' ') { | ||
4958 | y = x; | ||
4959 | while (templabel[y]) { | ||
4960 | templabel[y] = | ||
4961 | templabel[y + 1]; | ||
4962 | y++; | ||
4963 | } | ||
4964 | niro | 914 | } |
4965 | niro | 3002 | x++; |
4966 | niro | 914 | } |
4967 | niro | 3002 | newLine = addLine(new, config->cfi, LT_TITLE, |
4968 | config->primaryIndent, | ||
4969 | templabel); | ||
4970 | free(templabel); | ||
4971 | } else { | ||
4972 | newLine = addLine(new, config->cfi, LT_TITLE, | ||
4973 | config->primaryIndent, | ||
4974 | newKernelTitle); | ||
4975 | niro | 914 | } |
4976 | niro | 3002 | needs &= ~NEED_TITLE; |
4977 | break; | ||
4978 | |||
4979 | default: | ||
4980 | abort(); | ||
4981 | niro | 914 | } |
4982 | niro | 3002 | } |
4983 | niro | 914 | |
4984 | niro | 3002 | struct singleLine *endLine = NULL; |
4985 | endLine = getLineByType(LT_ENTRY_END, new->lines); | ||
4986 | if (endLine) { | ||
4987 | removeLine(new, endLine); | ||
4988 | needs |= NEED_END; | ||
4989 | niro | 532 | } |
4990 | |||
4991 | niro | 3002 | /* add the remainder of the lines, i.e. those that either |
4992 | * weren't present in the template, or in the case of no template, | ||
4993 | * all the lines following the entryStart. | ||
4994 | */ | ||
4995 | if (needs & NEED_TITLE) { | ||
4996 | newLine = addLine(new, config->cfi, LT_TITLE, | ||
4997 | config->secondaryIndent, newKernelTitle); | ||
4998 | needs &= ~NEED_TITLE; | ||
4999 | } | ||
5000 | if ((needs & NEED_MB) && config->cfi->mbHyperFirst) { | ||
5001 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
5002 | config->secondaryIndent, | ||
5003 | newMBKernel + strlen(prefix)); | ||
5004 | needs &= ~NEED_MB; | ||
5005 | } | ||
5006 | if (needs & NEED_KERNEL) { | ||
5007 | newLine = addLine(new, config->cfi, | ||
5008 | (new->multiboot | ||
5009 | && getKeywordByType(LT_MBMODULE, | ||
5010 | config->cfi)) | ||
5011 | ? LT_MBMODULE : preferredLineType(LT_KERNEL, | ||
5012 | config-> | ||
5013 | cfi), | ||
5014 | config->secondaryIndent, | ||
5015 | newKernelPath + strlen(prefix)); | ||
5016 | needs &= ~NEED_KERNEL; | ||
5017 | } | ||
5018 | if (needs & NEED_MB) { | ||
5019 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
5020 | config->secondaryIndent, | ||
5021 | newMBKernel + strlen(prefix)); | ||
5022 | needs &= ~NEED_MB; | ||
5023 | } | ||
5024 | if (needs & NEED_INITRD) { | ||
5025 | char *initrdVal; | ||
5026 | initrdVal = | ||
5027 | getInitrdVal(config, prefix, NULL, newKernelInitrd, | ||
5028 | extraInitrds, extraInitrdCount); | ||
5029 | newLine = | ||
5030 | addLine(new, config->cfi, | ||
5031 | (new->multiboot | ||
5032 | && getKeywordByType(LT_MBMODULE, config->cfi)) | ||
5033 | ? LT_MBMODULE : preferredLineType(LT_INITRD, | ||
5034 | config->cfi), | ||
5035 | config->secondaryIndent, initrdVal); | ||
5036 | free(initrdVal); | ||
5037 | needs &= ~NEED_INITRD; | ||
5038 | } | ||
5039 | if (needs & NEED_DEVTREE) { | ||
5040 | newLine = addLine(new, config->cfi, LT_DEVTREE, | ||
5041 | config->secondaryIndent, newDevTreePath); | ||
5042 | needs &= ~NEED_DEVTREE; | ||
5043 | } | ||
5044 | niro | 2709 | |
5045 | niro | 3002 | /* NEEDS_END must be last on bootloaders that need it... */ |
5046 | if (needs & NEED_END) { | ||
5047 | newLine = addLine(new, config->cfi, LT_ENTRY_END, | ||
5048 | config->secondaryIndent, NULL); | ||
5049 | needs &= ~NEED_END; | ||
5050 | } | ||
5051 | niro | 2685 | |
5052 | niro | 3002 | if (needs) { |
5053 | printf(_("grubby: needs=%d, aborting\n"), needs); | ||
5054 | abort(); | ||
5055 | } | ||
5056 | niro | 2709 | |
5057 | niro | 3010 | if (updateImage(config, indexs, prefix, newKernelArgs, NULL, |
5058 | niro | 3019 | newMBKernelArgs, NULL)) { |
5059 | config->isModified = 1; | ||
5060 | niro | 3002 | return 1; |
5061 | niro | 3019 | } |
5062 | niro | 914 | |
5063 | niro | 3002 | return 0; |
5064 | niro | 532 | } |
5065 | |||
5066 | niro | 3002 | int main(int argc, const char **argv) |
5067 | { | ||
5068 | poptContext optCon; | ||
5069 | const char *grubConfig = NULL; | ||
5070 | char *outputFile = NULL; | ||
5071 | int arg = 0; | ||
5072 | int flags = 0; | ||
5073 | int badImageOkay = 0; | ||
5074 | int configureGrub2 = 0; | ||
5075 | int configureLilo = 0, configureELilo = 0, configureGrub = 0; | ||
5076 | int configureYaboot = 0, configureSilo = 0, configureZipl = 0; | ||
5077 | int configureExtLinux = 0; | ||
5078 | int bootloaderProbe = 0; | ||
5079 | int extraInitrdCount = 0; | ||
5080 | char *updateKernelPath = NULL; | ||
5081 | char *newKernelPath = NULL; | ||
5082 | char *removeKernelPath = NULL; | ||
5083 | char *newKernelArgs = NULL; | ||
5084 | char *newKernelInitrd = NULL; | ||
5085 | char *newKernelTitle = NULL; | ||
5086 | char *newDevTreePath = NULL; | ||
5087 | char *newMBKernel = NULL; | ||
5088 | char *newMBKernelArgs = NULL; | ||
5089 | niro | 3007 | int newIndex = 0; |
5090 | niro | 3002 | char *removeMBKernelArgs = NULL; |
5091 | char *removeMBKernel = NULL; | ||
5092 | char *bootPrefix = NULL; | ||
5093 | char *defaultKernel = NULL; | ||
5094 | char *removeArgs = NULL; | ||
5095 | char *kernelInfo = NULL; | ||
5096 | char *extraInitrds[MAX_EXTRA_INITRDS] = { NULL }; | ||
5097 | char *envPath = NULL; | ||
5098 | const char *chptr = NULL; | ||
5099 | struct configFileInfo *cfi = NULL; | ||
5100 | struct grubConfig *config; | ||
5101 | struct singleEntry *template = NULL; | ||
5102 | int copyDefault = 0, makeDefault = 0; | ||
5103 | int displayDefault = 0; | ||
5104 | int displayDefaultIndex = 0; | ||
5105 | int displayDefaultTitle = 0; | ||
5106 | int defaultIndex = -1; | ||
5107 | struct poptOption options[] = { | ||
5108 | {"add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0, | ||
5109 | _("add an entry for the specified kernel"), _("kernel-path")}, | ||
5110 | {"add-multiboot", 0, POPT_ARG_STRING, &newMBKernel, 0, | ||
5111 | _("add an entry for the specified multiboot kernel"), NULL}, | ||
5112 | {"args", 0, POPT_ARG_STRING, &newKernelArgs, 0, | ||
5113 | _("default arguments for the new kernel or new arguments for " | ||
5114 | "kernel being updated"), _("args")}, | ||
5115 | {"mbargs", 0, POPT_ARG_STRING, &newMBKernelArgs, 0, | ||
5116 | _("default arguments for the new multiboot kernel or " | ||
5117 | "new arguments for multiboot kernel being updated"), NULL}, | ||
5118 | niro | 3139 | {"mounts", 0, POPT_ARG_STRING, &mounts, 0, |
5119 | _("path to fake /proc/mounts file (for testing only)"), | ||
5120 | _("mounts")}, | ||
5121 | niro | 3002 | {"bad-image-okay", 0, 0, &badImageOkay, 0, |
5122 | _ | ||
5123 | ("don't sanity check images in boot entries (for testing only)"), | ||
5124 | NULL}, | ||
5125 | {"boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0, | ||
5126 | _ | ||
5127 | niro | 3014 | ("filesystem which contains /boot directory (for testing only)"), |
5128 | niro | 3002 | _("bootfs")}, |
5129 | niro | 1854 | #if defined(__i386__) || defined(__x86_64__) || defined (__powerpc64__) || defined (__ia64__) |
5130 | niro | 3002 | {"bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0, |
5131 | _("check which bootloader is installed on boot sector")}, | ||
5132 | niro | 532 | #endif |
5133 | niro | 3002 | {"config-file", 'c', POPT_ARG_STRING, &grubConfig, 0, |
5134 | _("path to grub config file to update (\"-\" for stdin)"), | ||
5135 | _("path")}, | ||
5136 | {"copy-default", 0, 0, ©Default, 0, | ||
5137 | _("use the default boot entry as a template for the new entry " | ||
5138 | "being added; if the default is not a linux image, or if " | ||
5139 | "the kernel referenced by the default image does not exist, " | ||
5140 | "the first linux entry whose kernel does exist is used as the " | ||
5141 | "template"), NULL}, | ||
5142 | {"debug", 0, 0, &debug, 0, | ||
5143 | _("print debugging information for failures")}, | ||
5144 | {"default-kernel", 0, 0, &displayDefault, 0, | ||
5145 | _("display the path of the default kernel")}, | ||
5146 | {"default-index", 0, 0, &displayDefaultIndex, 0, | ||
5147 | _("display the index of the default kernel")}, | ||
5148 | {"default-title", 0, 0, &displayDefaultTitle, 0, | ||
5149 | _("display the title of the default kernel")}, | ||
5150 | {"devtree", 0, POPT_ARG_STRING, &newDevTreePath, 0, | ||
5151 | _("device tree file for new stanza"), _("dtb-path")}, | ||
5152 | {"devtreedir", 0, POPT_ARG_STRING, &newDevTreePath, 0, | ||
5153 | _("device tree directory for new stanza"), _("dtb-path")}, | ||
5154 | {"elilo", 0, POPT_ARG_NONE, &configureELilo, 0, | ||
5155 | _("configure elilo bootloader")}, | ||
5156 | {"efi", 0, POPT_ARG_NONE, &isEfi, 0, | ||
5157 | _("force grub2 stanzas to use efi")}, | ||
5158 | {"env", 0, POPT_ARG_STRING, &envPath, 0, | ||
5159 | _("path for environment data"), | ||
5160 | _("path")}, | ||
5161 | {"extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0, | ||
5162 | _("configure extlinux bootloader (from syslinux)")}, | ||
5163 | {"grub", 0, POPT_ARG_NONE, &configureGrub, 0, | ||
5164 | _("configure grub bootloader")}, | ||
5165 | {"grub2", 0, POPT_ARG_NONE, &configureGrub2, 0, | ||
5166 | _("configure grub2 bootloader")}, | ||
5167 | {"info", 0, POPT_ARG_STRING, &kernelInfo, 0, | ||
5168 | _("display boot information for specified kernel"), | ||
5169 | _("kernel-path")}, | ||
5170 | {"initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0, | ||
5171 | _("initrd image for the new kernel"), _("initrd-path")}, | ||
5172 | {"extra-initrd", 'i', POPT_ARG_STRING, NULL, 'i', | ||
5173 | _ | ||
5174 | ("auxiliary initrd image for things other than the new kernel"), | ||
5175 | _("initrd-path")}, | ||
5176 | {"lilo", 0, POPT_ARG_NONE, &configureLilo, 0, | ||
5177 | _("configure lilo bootloader")}, | ||
5178 | {"make-default", 0, 0, &makeDefault, 0, | ||
5179 | _("make the newly added entry the default boot entry"), NULL}, | ||
5180 | {"output-file", 'o', POPT_ARG_STRING, &outputFile, 0, | ||
5181 | _("path to output updated config file (\"-\" for stdout)"), | ||
5182 | _("path")}, | ||
5183 | {"remove-args", 0, POPT_ARG_STRING, &removeArgs, 0, | ||
5184 | _("remove kernel arguments"), NULL}, | ||
5185 | {"remove-mbargs", 0, POPT_ARG_STRING, &removeMBKernelArgs, 0, | ||
5186 | _("remove multiboot kernel arguments"), NULL}, | ||
5187 | {"remove-kernel", 0, POPT_ARG_STRING, &removeKernelPath, 0, | ||
5188 | _("remove all entries for the specified kernel"), | ||
5189 | _("kernel-path")}, | ||
5190 | {"remove-multiboot", 0, POPT_ARG_STRING, &removeMBKernel, 0, | ||
5191 | _("remove all entries for the specified multiboot kernel"), | ||
5192 | NULL}, | ||
5193 | {"set-default", 0, POPT_ARG_STRING, &defaultKernel, 0, | ||
5194 | _("make the first entry referencing the specified kernel " | ||
5195 | "the default"), _("kernel-path")}, | ||
5196 | {"set-default-index", 0, POPT_ARG_INT, &defaultIndex, 0, | ||
5197 | _("make the given entry index the default entry"), | ||
5198 | _("entry-index")}, | ||
5199 | niro | 3007 | {"set-index", 0, POPT_ARG_INT, &newIndex, 0, |
5200 | _("use the given index when creating a new entry"), | ||
5201 | _("entry-index")}, | ||
5202 | niro | 3002 | {"silo", 0, POPT_ARG_NONE, &configureSilo, 0, |
5203 | _("configure silo bootloader")}, | ||
5204 | {"title", 0, POPT_ARG_STRING, &newKernelTitle, 0, | ||
5205 | _("title to use for the new kernel entry"), _("entry-title")}, | ||
5206 | {"update-kernel", 0, POPT_ARG_STRING, &updateKernelPath, 0, | ||
5207 | _("updated information for the specified kernel"), | ||
5208 | _("kernel-path")}, | ||
5209 | {"version", 'v', 0, NULL, 'v', | ||
5210 | _("print the version of this program and exit"), NULL}, | ||
5211 | {"yaboot", 0, POPT_ARG_NONE, &configureYaboot, 0, | ||
5212 | _("configure yaboot bootloader")}, | ||
5213 | {"zipl", 0, POPT_ARG_NONE, &configureZipl, 0, | ||
5214 | _("configure zipl bootloader")}, | ||
5215 | POPT_AUTOHELP {0, 0, 0, 0, 0} | ||
5216 | }; | ||
5217 | niro | 532 | |
5218 | niro | 3002 | useextlinuxmenu = 0; |
5219 | niro | 914 | |
5220 | niro | 3002 | int i = 0; |
5221 | for (int j = 1; j < argc; j++) | ||
5222 | i += strlen(argv[j]) + 1; | ||
5223 | saved_command_line = malloc(i); | ||
5224 | if (!saved_command_line) { | ||
5225 | fprintf(stderr, "grubby: %m\n"); | ||
5226 | exit(1); | ||
5227 | } | ||
5228 | saved_command_line[0] = '\0'; | ||
5229 | niro | 3149 | int cmdline_len = 0, arg_len; |
5230 | niro | 3002 | for (int j = 1; j < argc; j++) { |
5231 | niro | 3149 | arg_len = strlen(argv[j]); |
5232 | memcpy(saved_command_line + cmdline_len, argv[j], arg_len); | ||
5233 | cmdline_len += arg_len; | ||
5234 | if (j != argc - 1) { | ||
5235 | memcpy(saved_command_line + cmdline_len, " ", 1); | ||
5236 | cmdline_len++; | ||
5237 | } | ||
5238 | |||
5239 | niro | 3002 | } |
5240 | niro | 3149 | saved_command_line[cmdline_len] = '\0'; |
5241 | niro | 2236 | |
5242 | niro | 3002 | optCon = poptGetContext("grubby", argc, argv, options, 0); |
5243 | poptReadDefaultConfig(optCon, 1); | ||
5244 | niro | 532 | |
5245 | niro | 3002 | while ((arg = poptGetNextOpt(optCon)) >= 0) { |
5246 | switch (arg) { | ||
5247 | case 'v': | ||
5248 | printf("grubby version %s\n", VERSION); | ||
5249 | exit(0); | ||
5250 | break; | ||
5251 | case 'i': | ||
5252 | if (extraInitrdCount < MAX_EXTRA_INITRDS) { | ||
5253 | extraInitrds[extraInitrdCount++] = | ||
5254 | strdup(poptGetOptArg(optCon)); | ||
5255 | } else { | ||
5256 | fprintf(stderr, | ||
5257 | _ | ||
5258 | ("grubby: extra initrd maximum is %d\n"), | ||
5259 | extraInitrdCount); | ||
5260 | return 1; | ||
5261 | } | ||
5262 | break; | ||
5263 | } | ||
5264 | } | ||
5265 | |||
5266 | if (arg < -1) { | ||
5267 | fprintf(stderr, _("grubby: bad argument %s: %s\n"), | ||
5268 | poptBadOption(optCon, POPT_BADOPTION_NOALIAS), | ||
5269 | poptStrerror(arg)); | ||
5270 | niro | 914 | return 1; |
5271 | niro | 532 | } |
5272 | |||
5273 | niro | 3002 | if ((chptr = poptGetArg(optCon))) { |
5274 | fprintf(stderr, _("grubby: unexpected argument %s\n"), chptr); | ||
5275 | return 1; | ||
5276 | } | ||
5277 | niro | 532 | |
5278 | niro | 3002 | if ((configureLilo + configureGrub2 + configureGrub + configureELilo + |
5279 | configureYaboot + configureSilo + configureZipl + | ||
5280 | configureExtLinux) > 1) { | ||
5281 | fprintf(stderr, | ||
5282 | _("grubby: cannot specify multiple bootloaders\n")); | ||
5283 | return 1; | ||
5284 | } else if (bootloaderProbe && grubConfig) { | ||
5285 | fprintf(stderr, | ||
5286 | _ | ||
5287 | ("grubby: cannot specify config file with --bootloader-probe\n")); | ||
5288 | return 1; | ||
5289 | } else if (configureGrub2) { | ||
5290 | cfi = &grub2ConfigType; | ||
5291 | if (envPath) | ||
5292 | cfi->envFile = envPath; | ||
5293 | } else if (configureLilo) { | ||
5294 | cfi = &liloConfigType; | ||
5295 | } else if (configureGrub) { | ||
5296 | cfi = &grubConfigType; | ||
5297 | } else if (configureELilo) { | ||
5298 | cfi = &eliloConfigType; | ||
5299 | } else if (configureYaboot) { | ||
5300 | cfi = &yabootConfigType; | ||
5301 | } else if (configureSilo) { | ||
5302 | cfi = &siloConfigType; | ||
5303 | } else if (configureZipl) { | ||
5304 | cfi = &ziplConfigType; | ||
5305 | } else if (configureExtLinux) { | ||
5306 | cfi = &extlinuxConfigType; | ||
5307 | useextlinuxmenu = 1; | ||
5308 | } | ||
5309 | niro | 532 | |
5310 | niro | 3002 | if (!cfi) { |
5311 | if (grub2FindConfig(&grub2ConfigType)) { | ||
5312 | cfi = &grub2ConfigType; | ||
5313 | niro | 3137 | configureGrub2 = 1; |
5314 | niro | 3002 | if (envPath) |
5315 | cfi->envFile = envPath; | ||
5316 | niro | 3137 | } else { |
5317 | niro | 3002 | #ifdef __ia64__ |
5318 | cfi = &eliloConfigType; | ||
5319 | niro | 3137 | configureLilo = 1; |
5320 | #elif defined(__powerpc__) | ||
5321 | niro | 3002 | cfi = &yabootConfigType; |
5322 | niro | 3137 | configureYaboot = 1; |
5323 | #elif defined(__sparc__) | ||
5324 | niro | 3002 | cfi = &siloConfigType; |
5325 | niro | 3137 | configureSilo = 1; |
5326 | #elif defined(__s390__) || defined(__s390x__) | ||
5327 | niro | 3002 | cfi = &ziplConfigType; |
5328 | niro | 3137 | configureZipl = 1; |
5329 | niro | 3002 | #else |
5330 | cfi = &grubConfigType; | ||
5331 | niro | 3137 | configureGrub = 1; |
5332 | niro | 3002 | #endif |
5333 | niro | 3137 | } |
5334 | niro | 3002 | } |
5335 | niro | 532 | |
5336 | niro | 3002 | if (!grubConfig) { |
5337 | if (cfi->findConfig) | ||
5338 | grubConfig = cfi->findConfig(cfi); | ||
5339 | if (!grubConfig) | ||
5340 | grubConfig = cfi->defaultConfig; | ||
5341 | } | ||
5342 | niro | 532 | |
5343 | niro | 3002 | if (bootloaderProbe && (displayDefault || kernelInfo || |
5344 | newKernelPath || removeKernelPath || makeDefault | ||
5345 | || defaultKernel || displayDefaultIndex | ||
5346 | || displayDefaultTitle | ||
5347 | || (defaultIndex >= 0))) { | ||
5348 | fprintf(stderr, | ||
5349 | _("grubby: --bootloader-probe may not be used with " | ||
5350 | niro | 532 | "specified option")); |
5351 | niro | 3002 | return 1; |
5352 | } | ||
5353 | niro | 532 | |
5354 | niro | 3002 | if ((displayDefault || kernelInfo) && (newKernelPath || |
5355 | removeKernelPath)) { | ||
5356 | fprintf(stderr, _("grubby: --default-kernel and --info may not " | ||
5357 | "be used when adding or removing kernels\n")); | ||
5358 | return 1; | ||
5359 | } | ||
5360 | niro | 532 | |
5361 | niro | 3002 | if (newKernelPath && !newKernelTitle) { |
5362 | fprintf(stderr, _("grubby: kernel title must be specified\n")); | ||
5363 | return 1; | ||
5364 | } else if (!newKernelPath && (copyDefault || | ||
5365 | (newKernelInitrd && !updateKernelPath) || | ||
5366 | makeDefault || extraInitrdCount > 0)) { | ||
5367 | fprintf(stderr, _("grubby: kernel path expected\n")); | ||
5368 | return 1; | ||
5369 | } | ||
5370 | niro | 532 | |
5371 | niro | 3002 | if (newKernelPath && updateKernelPath) { |
5372 | fprintf(stderr, _("grubby: --add-kernel and --update-kernel may" | ||
5373 | "not be used together")); | ||
5374 | return 1; | ||
5375 | } | ||
5376 | niro | 532 | |
5377 | niro | 3002 | if (makeDefault && defaultKernel) { |
5378 | fprintf(stderr, _("grubby: --make-default and --default-kernel " | ||
5379 | "may not be used together\n")); | ||
5380 | return 1; | ||
5381 | } else if (defaultKernel && removeKernelPath && | ||
5382 | !strcmp(defaultKernel, removeKernelPath)) { | ||
5383 | fprintf(stderr, | ||
5384 | _("grubby: cannot make removed kernel the default\n")); | ||
5385 | return 1; | ||
5386 | } else if (defaultKernel && newKernelPath && | ||
5387 | !strcmp(defaultKernel, newKernelPath)) { | ||
5388 | makeDefault = 1; | ||
5389 | defaultKernel = NULL; | ||
5390 | } else if (defaultKernel && (defaultIndex >= 0)) { | ||
5391 | fprintf(stderr, | ||
5392 | _("grubby: --set-default and --set-default-index " | ||
5393 | niro | 532 | "may not be used together\n")); |
5394 | niro | 3002 | return 1; |
5395 | } | ||
5396 | niro | 532 | |
5397 | niro | 3002 | if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) { |
5398 | fprintf(stderr, | ||
5399 | _("grubby: output file must be specified if stdin " | ||
5400 | "is used\n")); | ||
5401 | return 1; | ||
5402 | } | ||
5403 | niro | 532 | |
5404 | niro | 3002 | if (!removeKernelPath && !newKernelPath && !displayDefault |
5405 | && !defaultKernel && !kernelInfo && !bootloaderProbe | ||
5406 | && !updateKernelPath && !removeMBKernel && !displayDefaultIndex | ||
5407 | && !displayDefaultTitle && (defaultIndex == -1)) { | ||
5408 | fprintf(stderr, _("grubby: no action specified\n")); | ||
5409 | return 1; | ||
5410 | } | ||
5411 | niro | 532 | |
5412 | niro | 3002 | flags |= badImageOkay ? GRUBBY_BADIMAGE_OKAY : 0; |
5413 | niro | 532 | |
5414 | niro | 3002 | if (cfi->needsBootPrefix) { |
5415 | if (!bootPrefix) { | ||
5416 | bootPrefix = findBootPrefix(); | ||
5417 | if (!bootPrefix) | ||
5418 | return 1; | ||
5419 | } else { | ||
5420 | /* this shouldn't end with a / */ | ||
5421 | if (bootPrefix[strlen(bootPrefix) - 1] == '/') | ||
5422 | bootPrefix[strlen(bootPrefix) - 1] = '\0'; | ||
5423 | } | ||
5424 | niro | 532 | } else { |
5425 | niro | 3002 | bootPrefix = ""; |
5426 | niro | 532 | } |
5427 | |||
5428 | niro | 3002 | if (!cfi->mbAllowExtraInitRds && extraInitrdCount > 0) { |
5429 | fprintf(stderr, | ||
5430 | _("grubby: %s doesn't allow multiple initrds\n"), | ||
5431 | cfi->defaultConfig); | ||
5432 | return 1; | ||
5433 | } | ||
5434 | niro | 914 | |
5435 | niro | 3002 | if (bootloaderProbe) { |
5436 | int lrc = 0, grc = 0, gr2c = 0, extrc = 0, yrc = 0, erc = 0; | ||
5437 | struct grubConfig *lconfig, *gconfig, *yconfig, *econfig; | ||
5438 | niro | 532 | |
5439 | niro | 3002 | const char *grub2config = grub2FindConfig(&grub2ConfigType); |
5440 | if (grub2config) { | ||
5441 | gconfig = readConfig(grub2config, &grub2ConfigType); | ||
5442 | if (!gconfig) | ||
5443 | gr2c = 1; | ||
5444 | else | ||
5445 | gr2c = checkForGrub2(gconfig); | ||
5446 | } | ||
5447 | niro | 1696 | |
5448 | niro | 3002 | const char *grubconfig = grubFindConfig(&grubConfigType); |
5449 | if (!access(grubconfig, F_OK)) { | ||
5450 | gconfig = readConfig(grubconfig, &grubConfigType); | ||
5451 | if (!gconfig) | ||
5452 | grc = 1; | ||
5453 | else | ||
5454 | grc = checkForGrub(gconfig); | ||
5455 | } | ||
5456 | niro | 532 | |
5457 | niro | 3002 | if (!access(liloConfigType.defaultConfig, F_OK)) { |
5458 | lconfig = | ||
5459 | readConfig(liloConfigType.defaultConfig, | ||
5460 | &liloConfigType); | ||
5461 | if (!lconfig) | ||
5462 | lrc = 1; | ||
5463 | else | ||
5464 | lrc = checkForLilo(lconfig); | ||
5465 | } | ||
5466 | niro | 532 | |
5467 | niro | 3002 | if (!access(eliloConfigType.defaultConfig, F_OK)) { |
5468 | econfig = readConfig(eliloConfigType.defaultConfig, | ||
5469 | &eliloConfigType); | ||
5470 | if (!econfig) | ||
5471 | erc = 1; | ||
5472 | else | ||
5473 | erc = checkForElilo(econfig); | ||
5474 | } | ||
5475 | niro | 1854 | |
5476 | niro | 3002 | if (!access(extlinuxConfigType.defaultConfig, F_OK)) { |
5477 | lconfig = | ||
5478 | readConfig(extlinuxConfigType.defaultConfig, | ||
5479 | &extlinuxConfigType); | ||
5480 | if (!lconfig) | ||
5481 | extrc = 1; | ||
5482 | else | ||
5483 | extrc = checkForExtLinux(lconfig); | ||
5484 | } | ||
5485 | niro | 914 | |
5486 | niro | 3002 | if (!access(yabootConfigType.defaultConfig, F_OK)) { |
5487 | yconfig = readConfig(yabootConfigType.defaultConfig, | ||
5488 | &yabootConfigType); | ||
5489 | if (!yconfig) | ||
5490 | yrc = 1; | ||
5491 | else | ||
5492 | yrc = checkForYaboot(yconfig); | ||
5493 | } | ||
5494 | niro | 532 | |
5495 | niro | 3002 | if (lrc == 1 || grc == 1 || gr2c == 1 || extrc == 1 || yrc == 1 |
5496 | || erc == 1) | ||
5497 | return 1; | ||
5498 | niro | 1853 | |
5499 | niro | 3002 | if (lrc == 2) |
5500 | printf("lilo\n"); | ||
5501 | if (gr2c == 2) | ||
5502 | printf("grub2\n"); | ||
5503 | if (grc == 2) | ||
5504 | printf("grub\n"); | ||
5505 | if (extrc == 2) | ||
5506 | printf("extlinux\n"); | ||
5507 | if (yrc == 2) | ||
5508 | printf("yaboot\n"); | ||
5509 | if (erc == 2) | ||
5510 | printf("elilo\n"); | ||
5511 | niro | 1853 | |
5512 | niro | 3002 | return 0; |
5513 | } | ||
5514 | niro | 532 | |
5515 | niro | 3002 | if (grubConfig == NULL) { |
5516 | printf("Could not find bootloader configuration file.\n"); | ||
5517 | exit(1); | ||
5518 | } | ||
5519 | niro | 532 | |
5520 | niro | 3002 | config = readConfig(grubConfig, cfi); |
5521 | if (!config) | ||
5522 | return 1; | ||
5523 | niro | 2246 | |
5524 | niro | 3002 | if (displayDefault) { |
5525 | struct singleLine *line; | ||
5526 | struct singleEntry *entry; | ||
5527 | niro | 3138 | size_t rs; |
5528 | niro | 532 | |
5529 | niro | 3018 | if (config->defaultImage == NO_DEFAULT_ENTRY) |
5530 | niro | 3002 | return 0; |
5531 | if (config->defaultImage == DEFAULT_SAVED_GRUB2 && | ||
5532 | cfi->defaultIsSaved) | ||
5533 | niro | 3018 | config->defaultImage = FIRST_ENTRY_INDEX; |
5534 | niro | 3002 | entry = findEntryByIndex(config, config->defaultImage); |
5535 | if (!entry) | ||
5536 | return 0; | ||
5537 | niro | 532 | |
5538 | niro | 3151 | /* check if is a suitable image but still print it */ |
5539 | suitableImage(entry, bootPrefix, 0, flags); | ||
5540 | |||
5541 | niro | 3002 | line = |
5542 | getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI | | ||
5543 | LT_KERNEL_16, entry->lines); | ||
5544 | if (!line) | ||
5545 | return 0; | ||
5546 | niro | 532 | |
5547 | niro | 3138 | rs = getRootSpecifier(line->elements[1].item); |
5548 | printf("%s%s\n", bootPrefix, line->elements[1].item + rs); | ||
5549 | niro | 532 | |
5550 | niro | 3002 | return 0; |
5551 | niro | 532 | |
5552 | niro | 3002 | } else if (displayDefaultTitle) { |
5553 | struct singleLine *line; | ||
5554 | struct singleEntry *entry; | ||
5555 | niro | 1720 | |
5556 | niro | 3018 | if (config->defaultImage == NO_DEFAULT_ENTRY) |
5557 | niro | 3002 | return 0; |
5558 | if (config->defaultImage == DEFAULT_SAVED_GRUB2 && | ||
5559 | cfi->defaultIsSaved) | ||
5560 | niro | 3018 | config->defaultImage = FIRST_ENTRY_INDEX; |
5561 | niro | 3002 | entry = findEntryByIndex(config, config->defaultImage); |
5562 | if (!entry) | ||
5563 | return 0; | ||
5564 | niro | 1721 | |
5565 | niro | 3002 | if (!configureGrub2) { |
5566 | char *title; | ||
5567 | line = getLineByType(LT_TITLE, entry->lines); | ||
5568 | if (!line) | ||
5569 | return 0; | ||
5570 | title = extractTitle(config, line); | ||
5571 | if (!title) | ||
5572 | return 0; | ||
5573 | printf("%s\n", title); | ||
5574 | free(title); | ||
5575 | } else { | ||
5576 | char *title; | ||
5577 | niro | 1721 | |
5578 | niro | 3002 | dbgPrintf |
5579 | ("This is GRUB2, default title is embeded in menuentry\n"); | ||
5580 | line = getLineByType(LT_MENUENTRY, entry->lines); | ||
5581 | if (!line) | ||
5582 | return 0; | ||
5583 | title = grub2ExtractTitle(line); | ||
5584 | if (title) | ||
5585 | printf("%s\n", title); | ||
5586 | } | ||
5587 | niro | 2992 | return 0; |
5588 | niro | 1721 | |
5589 | niro | 3002 | } else if (displayDefaultIndex) { |
5590 | niro | 3018 | if (config->defaultImage == NO_DEFAULT_ENTRY) |
5591 | niro | 3002 | return 0; |
5592 | if (config->defaultImage == DEFAULT_SAVED_GRUB2 && | ||
5593 | cfi->defaultIsSaved) | ||
5594 | niro | 3018 | config->defaultImage = FIRST_ENTRY_INDEX; |
5595 | niro | 3002 | printf("%i\n", config->defaultImage); |
5596 | niro | 2992 | return 0; |
5597 | niro | 1721 | |
5598 | niro | 3002 | } else if (kernelInfo) |
5599 | return displayInfo(config, kernelInfo, bootPrefix); | ||
5600 | niro | 1720 | |
5601 | niro | 3002 | if (copyDefault) { |
5602 | template = findTemplate(config, bootPrefix, NULL, 0, flags); | ||
5603 | if (!template) | ||
5604 | return 1; | ||
5605 | } | ||
5606 | niro | 532 | |
5607 | niro | 3002 | markRemovedImage(config, removeKernelPath, bootPrefix); |
5608 | markRemovedImage(config, removeMBKernel, bootPrefix); | ||
5609 | setDefaultImage(config, newKernelPath != NULL, defaultKernel, | ||
5610 | niro | 3021 | makeDefault, bootPrefix, flags, defaultIndex, |
5611 | newIndex); | ||
5612 | niro | 3002 | setFallbackImage(config, newKernelPath != NULL); |
5613 | if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs, | ||
5614 | removeArgs, newMBKernelArgs, removeMBKernelArgs)) | ||
5615 | return 1; | ||
5616 | if (updateKernelPath && newKernelInitrd) { | ||
5617 | if (newMBKernel) { | ||
5618 | if (addMBInitrd(config, newMBKernel, updateKernelPath, | ||
5619 | niro | 2960 | bootPrefix, newKernelInitrd, |
5620 | newKernelTitle)) | ||
5621 | niro | 3002 | return 1; |
5622 | } else { | ||
5623 | if (updateInitrd(config, updateKernelPath, bootPrefix, | ||
5624 | newKernelInitrd, newKernelTitle)) | ||
5625 | return 1; | ||
5626 | } | ||
5627 | } | ||
5628 | if (addNewKernel(config, template, bootPrefix, newKernelPath, | ||
5629 | newKernelTitle, newKernelArgs, newKernelInitrd, | ||
5630 | (const char **)extraInitrds, extraInitrdCount, | ||
5631 | niro | 3007 | newMBKernel, newMBKernelArgs, newDevTreePath, |
5632 | newIndex)) | ||
5633 | niro | 3002 | return 1; |
5634 | niro | 532 | |
5635 | niro | 3002 | if (numEntries(config) == 0) { |
5636 | fprintf(stderr, | ||
5637 | _("grubby: doing this would leave no kernel entries. " | ||
5638 | "Not writing out new config.\n")); | ||
5639 | return 1; | ||
5640 | } | ||
5641 | niro | 532 | |
5642 | niro | 3002 | if (!outputFile) |
5643 | outputFile = (char *)grubConfig; | ||
5644 | niro | 532 | |
5645 | niro | 3002 | return writeConfig(config, outputFile, bootPrefix); |
5646 | niro | 532 | } |