Annotation of /trunk/grubby/grubby.c
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Tue Jun 27 14:43:04 2017 UTC (6 years, 11 months ago) by niro
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Tue Jun 27 14:43:04 2017 UTC (6 years, 11 months ago) by niro
File MIME type: text/plain
File size: 132760 byte(s)
Initialize variable for ppc environment (#1285601)
1 | niro | 914 | /* |
2 | * grubby.c | ||
3 | * | ||
4 | * Copyright (C) 2001-2008 Red Hat, Inc. | ||
5 | * All rights reserved. | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; either version 2 of the License, or | ||
10 | * (at your option) any later version. | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | * GNU General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
19 | */ | ||
20 | niro | 532 | |
21 | niro | 914 | #ifndef _GNU_SOURCE |
22 | #define _GNU_SOURCE | ||
23 | #endif | ||
24 | niro | 532 | #include <ctype.h> |
25 | #include <errno.h> | ||
26 | #include <fcntl.h> | ||
27 | #include <mntent.h> | ||
28 | #include <popt.h> | ||
29 | #include <stdarg.h> | ||
30 | #include <stdlib.h> | ||
31 | #include <string.h> | ||
32 | #include <sys/stat.h> | ||
33 | #include <unistd.h> | ||
34 | niro | 914 | #include <libgen.h> |
35 | #include <execinfo.h> | ||
36 | #include <signal.h> | ||
37 | #include <blkid/blkid.h> | ||
38 | niro | 532 | |
39 | niro | 2236 | #include "log.h" |
40 | |||
41 | niro | 1694 | #ifndef DEBUG |
42 | niro | 914 | #define DEBUG 0 |
43 | niro | 1694 | #endif |
44 | niro | 532 | |
45 | niro | 914 | #if DEBUG |
46 | #define dbgPrintf(format, args...) fprintf(stderr, format , ## args) | ||
47 | #else | ||
48 | #define dbgPrintf(format, args...) | ||
49 | #endif | ||
50 | |||
51 | niro | 3002 | int debug = 0; /* Currently just for template debugging */ |
52 | niro | 1736 | |
53 | niro | 532 | #define _(A) (A) |
54 | |||
55 | niro | 914 | #define MAX_EXTRA_INITRDS 16 /* code segment checked by --bootloader-probe */ |
56 | niro | 532 | #define CODE_SEG_SIZE 128 /* code segment checked by --bootloader-probe */ |
57 | |||
58 | niro | 1718 | #define NOOP_OPCODE 0x90 |
59 | #define JMP_SHORT_OPCODE 0xeb | ||
60 | |||
61 | niro | 1940 | int isEfi = 0; |
62 | |||
63 | niro | 2700 | #if defined(__aarch64__) |
64 | niro | 2688 | #define isEfiOnly 1 |
65 | #else | ||
66 | #define isEfiOnly 0 | ||
67 | #endif | ||
68 | |||
69 | niro | 2236 | char *saved_command_line = NULL; |
70 | |||
71 | niro | 532 | /* comments get lumped in with indention */ |
72 | struct lineElement { | ||
73 | niro | 3002 | char *item; |
74 | char *indent; | ||
75 | niro | 532 | }; |
76 | |||
77 | niro | 3002 | enum lineType_e { |
78 | niro | 3003 | LT_UNIDENTIFIED = 0, |
79 | niro | 3002 | LT_WHITESPACE = 1 << 0, |
80 | LT_TITLE = 1 << 1, | ||
81 | LT_KERNEL = 1 << 2, | ||
82 | LT_INITRD = 1 << 3, | ||
83 | LT_HYPER = 1 << 4, | ||
84 | LT_DEFAULT = 1 << 5, | ||
85 | LT_MBMODULE = 1 << 6, | ||
86 | LT_ROOT = 1 << 7, | ||
87 | LT_FALLBACK = 1 << 8, | ||
88 | LT_KERNELARGS = 1 << 9, | ||
89 | LT_BOOT = 1 << 10, | ||
90 | LT_BOOTROOT = 1 << 11, | ||
91 | LT_LBA = 1 << 12, | ||
92 | LT_OTHER = 1 << 13, | ||
93 | LT_GENERIC = 1 << 14, | ||
94 | LT_ECHO = 1 << 16, | ||
95 | LT_MENUENTRY = 1 << 17, | ||
96 | LT_ENTRY_END = 1 << 18, | ||
97 | LT_SET_VARIABLE = 1 << 19, | ||
98 | LT_KERNEL_EFI = 1 << 20, | ||
99 | LT_INITRD_EFI = 1 << 21, | ||
100 | LT_KERNEL_16 = 1 << 22, | ||
101 | LT_INITRD_16 = 1 << 23, | ||
102 | LT_DEVTREE = 1 << 24, | ||
103 | LT_UNKNOWN = 1 << 25, | ||
104 | niro | 914 | }; |
105 | niro | 532 | |
106 | struct singleLine { | ||
107 | niro | 3002 | char *indent; |
108 | int numElements; | ||
109 | struct lineElement *elements; | ||
110 | struct singleLine *next; | ||
111 | enum lineType_e type; | ||
112 | niro | 532 | }; |
113 | |||
114 | struct singleEntry { | ||
115 | niro | 3002 | struct singleLine *lines; |
116 | int skip; | ||
117 | int multiboot; | ||
118 | struct singleEntry *next; | ||
119 | niro | 532 | }; |
120 | |||
121 | #define GRUBBY_BADIMAGE_OKAY (1 << 0) | ||
122 | |||
123 | #define GRUB_CONFIG_NO_DEFAULT (1 << 0) /* don't write out default=0 */ | ||
124 | |||
125 | niro | 914 | /* These defines are (only) used in addNewKernel() */ |
126 | #define NEED_KERNEL (1 << 0) | ||
127 | #define NEED_INITRD (1 << 1) | ||
128 | #define NEED_TITLE (1 << 2) | ||
129 | #define NEED_ARGS (1 << 3) | ||
130 | #define NEED_MB (1 << 4) | ||
131 | niro | 1696 | #define NEED_END (1 << 5) |
132 | niro | 2685 | #define NEED_DEVTREE (1 << 6) |
133 | niro | 532 | |
134 | #define MAIN_DEFAULT (1 << 0) | ||
135 | niro | 3018 | #define FIRST_ENTRY_INDEX 0 /* boot entry index value begin and increment |
136 | from this initial value */ | ||
137 | #define NO_DEFAULT_ENTRY -1 /* indicates that no specific default boot | ||
138 | entry was set or currently exists */ | ||
139 | niro | 532 | #define DEFAULT_SAVED -2 |
140 | niro | 1748 | #define DEFAULT_SAVED_GRUB2 -3 |
141 | niro | 532 | |
142 | struct keywordTypes { | ||
143 | niro | 3002 | char *key; |
144 | enum lineType_e type; | ||
145 | char nextChar; | ||
146 | char separatorChar; | ||
147 | niro | 914 | }; |
148 | niro | 532 | |
149 | niro | 1696 | struct configFileInfo; |
150 | |||
151 | niro | 3002 | typedef const char *(*findConfigFunc) (struct configFileInfo *); |
152 | typedef const int (*writeLineFunc) (struct configFileInfo *, | ||
153 | struct singleLine * line); | ||
154 | typedef char *(*getEnvFunc) (struct configFileInfo *, char *name); | ||
155 | typedef int (*setEnvFunc) (struct configFileInfo *, char *name, char *value); | ||
156 | niro | 1696 | |
157 | niro | 532 | struct configFileInfo { |
158 | niro | 3002 | char *defaultConfig; |
159 | findConfigFunc findConfig; | ||
160 | writeLineFunc writeLine; | ||
161 | getEnvFunc getEnv; | ||
162 | setEnvFunc setEnv; | ||
163 | struct keywordTypes *keywords; | ||
164 | int caseInsensitive; | ||
165 | int defaultIsIndex; | ||
166 | int defaultIsVariable; | ||
167 | int defaultSupportSaved; | ||
168 | int defaultIsSaved; | ||
169 | int defaultIsUnquoted; | ||
170 | enum lineType_e entryStart; | ||
171 | enum lineType_e entryEnd; | ||
172 | int needsBootPrefix; | ||
173 | int argsInQuotes; | ||
174 | int maxTitleLength; | ||
175 | int titleBracketed; | ||
176 | int titlePosition; | ||
177 | int mbHyperFirst; | ||
178 | int mbInitRdIsModule; | ||
179 | int mbConcatArgs; | ||
180 | int mbAllowExtraInitRds; | ||
181 | char *envFile; | ||
182 | niro | 532 | }; |
183 | |||
184 | struct keywordTypes grubKeywords[] = { | ||
185 | niro | 3002 | {"title", LT_TITLE, ' '}, |
186 | {"root", LT_BOOTROOT, ' '}, | ||
187 | {"default", LT_DEFAULT, ' '}, | ||
188 | {"fallback", LT_FALLBACK, ' '}, | ||
189 | {"kernel", LT_KERNEL, ' '}, | ||
190 | {"initrd", LT_INITRD, ' ', ' '}, | ||
191 | {"module", LT_MBMODULE, ' '}, | ||
192 | {"kernel", LT_HYPER, ' '}, | ||
193 | {NULL, 0, 0}, | ||
194 | niro | 532 | }; |
195 | |||
196 | niro | 3002 | const char *grubFindConfig(struct configFileInfo *cfi) |
197 | { | ||
198 | static const char *configFiles[] = { | ||
199 | "/boot/grub/grub.conf", | ||
200 | "/boot/grub/menu.lst", | ||
201 | "/etc/grub.conf", | ||
202 | NULL | ||
203 | }; | ||
204 | static int i = -1; | ||
205 | niro | 1715 | |
206 | niro | 3002 | if (i == -1) { |
207 | for (i = 0; configFiles[i] != NULL; i++) { | ||
208 | dbgPrintf("Checking \"%s\": ", configFiles[i]); | ||
209 | if (!access(configFiles[i], R_OK)) { | ||
210 | dbgPrintf("found\n"); | ||
211 | return configFiles[i]; | ||
212 | } | ||
213 | dbgPrintf("not found\n"); | ||
214 | } | ||
215 | niro | 1715 | } |
216 | niro | 3002 | return configFiles[i]; |
217 | niro | 1715 | } |
218 | |||
219 | niro | 532 | struct configFileInfo grubConfigType = { |
220 | niro | 3002 | .findConfig = grubFindConfig, |
221 | .keywords = grubKeywords, | ||
222 | .defaultIsIndex = 1, | ||
223 | .defaultSupportSaved = 1, | ||
224 | .entryStart = LT_TITLE, | ||
225 | .needsBootPrefix = 1, | ||
226 | .mbHyperFirst = 1, | ||
227 | .mbInitRdIsModule = 1, | ||
228 | .mbAllowExtraInitRds = 1, | ||
229 | .titlePosition = 1, | ||
230 | niro | 532 | }; |
231 | |||
232 | niro | 1696 | struct keywordTypes grub2Keywords[] = { |
233 | niro | 3002 | {"menuentry", LT_MENUENTRY, ' '}, |
234 | {"}", LT_ENTRY_END, ' '}, | ||
235 | {"echo", LT_ECHO, ' '}, | ||
236 | {"set", LT_SET_VARIABLE, ' ', '='}, | ||
237 | {"root", LT_BOOTROOT, ' '}, | ||
238 | {"default", LT_DEFAULT, ' '}, | ||
239 | {"fallback", LT_FALLBACK, ' '}, | ||
240 | {"linux", LT_KERNEL, ' '}, | ||
241 | {"linuxefi", LT_KERNEL_EFI, ' '}, | ||
242 | {"linux16", LT_KERNEL_16, ' '}, | ||
243 | {"initrd", LT_INITRD, ' ', ' '}, | ||
244 | {"initrdefi", LT_INITRD_EFI, ' ', ' '}, | ||
245 | {"initrd16", LT_INITRD_16, ' ', ' '}, | ||
246 | {"module", LT_MBMODULE, ' '}, | ||
247 | {"kernel", LT_HYPER, ' '}, | ||
248 | {"devicetree", LT_DEVTREE, ' '}, | ||
249 | {NULL, 0, 0}, | ||
250 | niro | 1696 | }; |
251 | |||
252 | niro | 3002 | const char *grub2FindConfig(struct configFileInfo *cfi) |
253 | { | ||
254 | static const char *configFiles[] = { | ||
255 | "/boot/grub/grub-efi.cfg", | ||
256 | "/boot/grub/grub.cfg", | ||
257 | "/etc/grub2-efi.cfg", | ||
258 | "/etc/grub2.cfg", | ||
259 | "/boot/grub2/grub.cfg", | ||
260 | "/boot/grub2-efi/grub.cfg", | ||
261 | NULL | ||
262 | }; | ||
263 | static int i = -1; | ||
264 | static const char *grub_cfg = "/boot/grub/grub.cfg"; | ||
265 | int rc = -1; | ||
266 | niro | 1696 | |
267 | niro | 3002 | if (i == -1) { |
268 | for (i = 0; configFiles[i] != NULL; i++) { | ||
269 | dbgPrintf("Checking \"%s\": ", configFiles[i]); | ||
270 | if ((rc = access(configFiles[i], R_OK))) { | ||
271 | if (errno == EACCES) { | ||
272 | printf | ||
273 | ("Unable to access bootloader configuration file " | ||
274 | "\"%s\": %m\n", configFiles[i]); | ||
275 | exit(1); | ||
276 | } | ||
277 | continue; | ||
278 | } else { | ||
279 | dbgPrintf("found\n"); | ||
280 | return configFiles[i]; | ||
281 | } | ||
282 | niro | 2246 | } |
283 | niro | 3002 | } |
284 | |||
285 | /* Ubuntu renames grub2 to grub, so check for the grub.d directory | ||
286 | * that isn't in grub1, and if it exists, return the config file path | ||
287 | * that they use. */ | ||
288 | if (configFiles[i] == NULL && !access("/etc/grub.d/", R_OK)) { | ||
289 | niro | 1696 | dbgPrintf("found\n"); |
290 | niro | 3002 | return grub_cfg; |
291 | niro | 1696 | } |
292 | niro | 1714 | |
293 | niro | 3002 | dbgPrintf("not found\n"); |
294 | return configFiles[i]; | ||
295 | niro | 1696 | } |
296 | |||
297 | niro | 2252 | /* kind of hacky. It'll give the first 1024 bytes, ish. */ |
298 | static char *grub2GetEnv(struct configFileInfo *info, char *name) | ||
299 | { | ||
300 | niro | 3002 | static char buf[1025]; |
301 | char *s = NULL; | ||
302 | char *ret = NULL; | ||
303 | char *envFile = info->envFile ? info->envFile : "/boot/grub/grubenv"; | ||
304 | int rc = | ||
305 | asprintf(&s, "grub-editenv %s list | grep '^%s='", envFile, name); | ||
306 | niro | 2252 | |
307 | niro | 3002 | if (rc < 0) |
308 | return NULL; | ||
309 | niro | 2252 | |
310 | niro | 3002 | FILE *f = popen(s, "r"); |
311 | if (!f) | ||
312 | goto out; | ||
313 | niro | 2252 | |
314 | niro | 3002 | memset(buf, '\0', sizeof(buf)); |
315 | ret = fgets(buf, 1024, f); | ||
316 | pclose(f); | ||
317 | niro | 2252 | |
318 | niro | 3002 | if (ret) { |
319 | ret += strlen(name) + 1; | ||
320 | ret[strlen(ret) - 1] = '\0'; | ||
321 | } | ||
322 | dbgPrintf("grub2GetEnv(%s): %s\n", name, ret); | ||
323 | niro | 2252 | out: |
324 | niro | 3002 | free(s); |
325 | return ret; | ||
326 | niro | 2252 | } |
327 | |||
328 | niro | 2257 | static int sPopCount(const char *s, const char *c) |
329 | { | ||
330 | niro | 3002 | int ret = 0; |
331 | if (!s) | ||
332 | return -1; | ||
333 | for (int i = 0; s[i] != '\0'; i++) | ||
334 | for (int j = 0; c[j] != '\0'; j++) | ||
335 | if (s[i] == c[j]) | ||
336 | ret++; | ||
337 | return ret; | ||
338 | niro | 2257 | } |
339 | |||
340 | static char *shellEscape(const char *s) | ||
341 | { | ||
342 | niro | 3002 | int l = strlen(s) + sPopCount(s, "'") * 2; |
343 | niro | 2257 | |
344 | niro | 3002 | char *ret = calloc(l + 1, sizeof(*ret)); |
345 | if (!ret) | ||
346 | return NULL; | ||
347 | for (int i = 0, j = 0; s[i] != '\0'; i++, j++) { | ||
348 | if (s[i] == '\'') | ||
349 | ret[j++] = '\\'; | ||
350 | ret[j] = s[i]; | ||
351 | } | ||
352 | return ret; | ||
353 | niro | 2257 | } |
354 | |||
355 | static void unquote(char *s) | ||
356 | { | ||
357 | niro | 3002 | int l = strlen(s); |
358 | niro | 2257 | |
359 | niro | 3002 | if ((s[l - 1] == '\'' && s[0] == '\'') |
360 | || (s[l - 1] == '"' && s[0] == '"')) { | ||
361 | memmove(s, s + 1, l - 2); | ||
362 | s[l - 2] = '\0'; | ||
363 | } | ||
364 | niro | 2257 | } |
365 | |||
366 | niro | 2252 | static int grub2SetEnv(struct configFileInfo *info, char *name, char *value) |
367 | { | ||
368 | niro | 3002 | char *s = NULL; |
369 | int rc = 0; | ||
370 | char *envFile = info->envFile ? info->envFile : "/boot/grub/grubenv"; | ||
371 | niro | 2252 | |
372 | niro | 3002 | unquote(value); |
373 | value = shellEscape(value); | ||
374 | if (!value) | ||
375 | return -1; | ||
376 | niro | 2257 | |
377 | niro | 3002 | rc = asprintf(&s, "grub-editenv %s set '%s=%s'", envFile, name, value); |
378 | free(value); | ||
379 | if (rc < 0) | ||
380 | return -1; | ||
381 | niro | 2252 | |
382 | niro | 3002 | dbgPrintf("grub2SetEnv(%s): %s\n", name, s); |
383 | rc = system(s); | ||
384 | free(s); | ||
385 | return rc; | ||
386 | niro | 2252 | } |
387 | |||
388 | /* this is a gigantic hack to avoid clobbering grub2 variables... */ | ||
389 | static int is_special_grub2_variable(const char *name) | ||
390 | { | ||
391 | niro | 3002 | if (!strcmp(name, "\"${next_entry}\"")) |
392 | return 1; | ||
393 | if (!strcmp(name, "\"${prev_saved_entry}\"")) | ||
394 | return 1; | ||
395 | return 0; | ||
396 | niro | 2252 | } |
397 | |||
398 | niro | 3002 | int sizeOfSingleLine(struct singleLine *line) |
399 | { | ||
400 | int count = 0; | ||
401 | niro | 1746 | |
402 | niro | 3002 | for (int i = 0; i < line->numElements; i++) { |
403 | int indentSize = 0; | ||
404 | niro | 1746 | |
405 | niro | 3002 | count = count + strlen(line->elements[i].item); |
406 | niro | 1746 | |
407 | niro | 3002 | indentSize = strlen(line->elements[i].indent); |
408 | if (indentSize > 0) | ||
409 | count = count + indentSize; | ||
410 | else | ||
411 | /* be extra safe and add room for whitespaces */ | ||
412 | count = count + 1; | ||
413 | } | ||
414 | niro | 1746 | |
415 | niro | 3002 | /* room for trailing terminator */ |
416 | count = count + 1; | ||
417 | niro | 1746 | |
418 | niro | 3002 | return count; |
419 | niro | 1746 | } |
420 | |||
421 | niro | 1800 | static int isquote(char q) |
422 | { | ||
423 | niro | 3002 | if (q == '\'' || q == '\"') |
424 | return 1; | ||
425 | return 0; | ||
426 | niro | 1800 | } |
427 | |||
428 | niro | 3002 | static int iskernel(enum lineType_e type) |
429 | { | ||
430 | return (type == LT_KERNEL || type == LT_KERNEL_EFI | ||
431 | || type == LT_KERNEL_16); | ||
432 | niro | 1940 | } |
433 | |||
434 | niro | 3002 | static int isinitrd(enum lineType_e type) |
435 | { | ||
436 | return (type == LT_INITRD || type == LT_INITRD_EFI | ||
437 | || type == LT_INITRD_16); | ||
438 | niro | 1940 | } |
439 | |||
440 | niro | 3002 | char *grub2ExtractTitle(struct singleLine *line) |
441 | { | ||
442 | char *current; | ||
443 | char *current_indent; | ||
444 | int current_len; | ||
445 | int current_indent_len; | ||
446 | int i; | ||
447 | niro | 1746 | |
448 | niro | 3002 | /* bail out if line does not start with menuentry */ |
449 | if (strcmp(line->elements[0].item, "menuentry")) | ||
450 | return NULL; | ||
451 | niro | 1746 | |
452 | niro | 3002 | i = 1; |
453 | current = line->elements[i].item; | ||
454 | current_len = strlen(current); | ||
455 | niro | 1746 | |
456 | niro | 3002 | /* if second word is quoted, strip the quotes and return single word */ |
457 | if (isquote(*current) && isquote(current[current_len - 1])) { | ||
458 | char *tmp; | ||
459 | niro | 2992 | |
460 | niro | 3002 | tmp = strdup(current + 1); |
461 | if (!tmp) | ||
462 | return NULL; | ||
463 | tmp[strlen(tmp) - 1] = '\0'; | ||
464 | return tmp; | ||
465 | } | ||
466 | niro | 1746 | |
467 | niro | 3002 | /* if no quotes, return second word verbatim */ |
468 | if (!isquote(*current)) | ||
469 | return current; | ||
470 | niro | 1746 | |
471 | niro | 3002 | /* second element start with a quote, so we have to find the element |
472 | * whose last character is also quote (assuming it's the closing one) */ | ||
473 | int resultMaxSize; | ||
474 | char *result; | ||
475 | /* need to ensure that ' does not match " as we search */ | ||
476 | char quote_char = *current; | ||
477 | niro | 2992 | |
478 | niro | 3002 | resultMaxSize = sizeOfSingleLine(line); |
479 | result = malloc(resultMaxSize); | ||
480 | snprintf(result, resultMaxSize, "%s", ++current); | ||
481 | niro | 2992 | |
482 | niro | 3002 | i++; |
483 | for (; i < line->numElements; ++i) { | ||
484 | current = line->elements[i].item; | ||
485 | current_len = strlen(current); | ||
486 | current_indent = line->elements[i].indent; | ||
487 | current_indent_len = strlen(current_indent); | ||
488 | niro | 1746 | |
489 | niro | 3002 | strncat(result, current_indent, current_indent_len); |
490 | if (current[current_len - 1] != quote_char) { | ||
491 | strncat(result, current, current_len); | ||
492 | } else { | ||
493 | strncat(result, current, current_len - 1); | ||
494 | break; | ||
495 | } | ||
496 | niro | 1746 | } |
497 | niro | 3002 | return result; |
498 | niro | 1746 | } |
499 | |||
500 | niro | 1696 | struct configFileInfo grub2ConfigType = { |
501 | niro | 3002 | .findConfig = grub2FindConfig, |
502 | .getEnv = grub2GetEnv, | ||
503 | .setEnv = grub2SetEnv, | ||
504 | .keywords = grub2Keywords, | ||
505 | .defaultIsIndex = 1, | ||
506 | .defaultSupportSaved = 1, | ||
507 | .defaultIsVariable = 1, | ||
508 | .entryStart = LT_MENUENTRY, | ||
509 | .entryEnd = LT_ENTRY_END, | ||
510 | .titlePosition = 1, | ||
511 | .needsBootPrefix = 1, | ||
512 | .mbHyperFirst = 1, | ||
513 | .mbInitRdIsModule = 1, | ||
514 | .mbAllowExtraInitRds = 1, | ||
515 | niro | 1696 | }; |
516 | |||
517 | niro | 532 | struct keywordTypes yabootKeywords[] = { |
518 | niro | 3002 | {"label", LT_TITLE, '='}, |
519 | {"root", LT_ROOT, '='}, | ||
520 | {"default", LT_DEFAULT, '='}, | ||
521 | {"image", LT_KERNEL, '='}, | ||
522 | {"bsd", LT_GENERIC, '='}, | ||
523 | {"macos", LT_GENERIC, '='}, | ||
524 | {"macosx", LT_GENERIC, '='}, | ||
525 | {"magicboot", LT_GENERIC, '='}, | ||
526 | {"darwin", LT_GENERIC, '='}, | ||
527 | {"timeout", LT_GENERIC, '='}, | ||
528 | {"install", LT_GENERIC, '='}, | ||
529 | {"fstype", LT_GENERIC, '='}, | ||
530 | {"hfstype", LT_GENERIC, '='}, | ||
531 | {"delay", LT_GENERIC, '='}, | ||
532 | {"defaultos", LT_GENERIC, '='}, | ||
533 | {"init-message", LT_GENERIC, '='}, | ||
534 | {"enablecdboot", LT_GENERIC, ' '}, | ||
535 | {"enableofboot", LT_GENERIC, ' '}, | ||
536 | {"enablenetboot", LT_GENERIC, ' '}, | ||
537 | {"nonvram", LT_GENERIC, ' '}, | ||
538 | {"hide", LT_GENERIC, ' '}, | ||
539 | {"protect", LT_GENERIC, ' '}, | ||
540 | {"nobless", LT_GENERIC, ' '}, | ||
541 | {"nonvram", LT_GENERIC, ' '}, | ||
542 | {"brokenosx", LT_GENERIC, ' '}, | ||
543 | {"usemount", LT_GENERIC, ' '}, | ||
544 | {"mntpoint", LT_GENERIC, '='}, | ||
545 | {"partition", LT_GENERIC, '='}, | ||
546 | {"device", LT_GENERIC, '='}, | ||
547 | {"fstype", LT_GENERIC, '='}, | ||
548 | {"initrd", LT_INITRD, '=', ';'}, | ||
549 | {"append", LT_KERNELARGS, '='}, | ||
550 | {"boot", LT_BOOT, '='}, | ||
551 | {"lba", LT_LBA, ' '}, | ||
552 | {NULL, 0, 0}, | ||
553 | niro | 532 | }; |
554 | |||
555 | struct keywordTypes liloKeywords[] = { | ||
556 | niro | 3002 | {"label", LT_TITLE, '='}, |
557 | {"root", LT_ROOT, '='}, | ||
558 | {"default", LT_DEFAULT, '='}, | ||
559 | {"image", LT_KERNEL, '='}, | ||
560 | {"other", LT_OTHER, '='}, | ||
561 | {"initrd", LT_INITRD, '='}, | ||
562 | {"append", LT_KERNELARGS, '='}, | ||
563 | {"boot", LT_BOOT, '='}, | ||
564 | {"lba", LT_LBA, ' '}, | ||
565 | {NULL, 0, 0}, | ||
566 | niro | 532 | }; |
567 | |||
568 | niro | 914 | struct keywordTypes eliloKeywords[] = { |
569 | niro | 3002 | {"label", LT_TITLE, '='}, |
570 | {"root", LT_ROOT, '='}, | ||
571 | {"default", LT_DEFAULT, '='}, | ||
572 | {"image", LT_KERNEL, '='}, | ||
573 | {"initrd", LT_INITRD, '='}, | ||
574 | {"append", LT_KERNELARGS, '='}, | ||
575 | {"vmm", LT_HYPER, '='}, | ||
576 | {NULL, 0, 0}, | ||
577 | niro | 914 | }; |
578 | |||
579 | niro | 532 | struct keywordTypes siloKeywords[] = { |
580 | niro | 3002 | {"label", LT_TITLE, '='}, |
581 | {"root", LT_ROOT, '='}, | ||
582 | {"default", LT_DEFAULT, '='}, | ||
583 | {"image", LT_KERNEL, '='}, | ||
584 | {"other", LT_OTHER, '='}, | ||
585 | {"initrd", LT_INITRD, '='}, | ||
586 | {"append", LT_KERNELARGS, '='}, | ||
587 | {"boot", LT_BOOT, '='}, | ||
588 | {NULL, 0, 0}, | ||
589 | niro | 532 | }; |
590 | |||
591 | struct keywordTypes ziplKeywords[] = { | ||
592 | niro | 3002 | {"target", LT_BOOTROOT, '='}, |
593 | {"image", LT_KERNEL, '='}, | ||
594 | {"ramdisk", LT_INITRD, '='}, | ||
595 | {"parameters", LT_KERNELARGS, '='}, | ||
596 | {"default", LT_DEFAULT, '='}, | ||
597 | {NULL, 0, 0}, | ||
598 | niro | 532 | }; |
599 | |||
600 | niro | 914 | struct keywordTypes extlinuxKeywords[] = { |
601 | niro | 3002 | {"label", LT_TITLE, ' '}, |
602 | {"root", LT_ROOT, ' '}, | ||
603 | {"default", LT_DEFAULT, ' '}, | ||
604 | {"kernel", LT_KERNEL, ' '}, | ||
605 | {"initrd", LT_INITRD, ' ', ','}, | ||
606 | {"append", LT_KERNELARGS, ' '}, | ||
607 | {"prompt", LT_UNKNOWN, ' '}, | ||
608 | {"fdt", LT_DEVTREE, ' '}, | ||
609 | {"fdtdir", LT_DEVTREE, ' '}, | ||
610 | {NULL, 0, 0}, | ||
611 | niro | 914 | }; |
612 | niro | 3002 | |
613 | niro | 914 | int useextlinuxmenu; |
614 | niro | 532 | struct configFileInfo eliloConfigType = { |
615 | niro | 3002 | .defaultConfig = "/boot/efi/EFI/redhat/elilo.conf", |
616 | .keywords = eliloKeywords, | ||
617 | .entryStart = LT_KERNEL, | ||
618 | .needsBootPrefix = 1, | ||
619 | .argsInQuotes = 1, | ||
620 | .mbConcatArgs = 1, | ||
621 | .titlePosition = 1, | ||
622 | niro | 532 | }; |
623 | |||
624 | struct configFileInfo liloConfigType = { | ||
625 | niro | 3002 | .defaultConfig = "/etc/lilo.conf", |
626 | .keywords = liloKeywords, | ||
627 | .entryStart = LT_KERNEL, | ||
628 | .argsInQuotes = 1, | ||
629 | .maxTitleLength = 15, | ||
630 | .titlePosition = 1, | ||
631 | niro | 532 | }; |
632 | |||
633 | struct configFileInfo yabootConfigType = { | ||
634 | niro | 3002 | .defaultConfig = "/etc/yaboot.conf", |
635 | .keywords = yabootKeywords, | ||
636 | .entryStart = LT_KERNEL, | ||
637 | .needsBootPrefix = 1, | ||
638 | .argsInQuotes = 1, | ||
639 | .maxTitleLength = 15, | ||
640 | .mbAllowExtraInitRds = 1, | ||
641 | .titlePosition = 1, | ||
642 | niro | 532 | }; |
643 | |||
644 | struct configFileInfo siloConfigType = { | ||
645 | niro | 3002 | .defaultConfig = "/etc/silo.conf", |
646 | .keywords = siloKeywords, | ||
647 | .entryStart = LT_KERNEL, | ||
648 | .needsBootPrefix = 1, | ||
649 | .argsInQuotes = 1, | ||
650 | .maxTitleLength = 15, | ||
651 | .titlePosition = 1, | ||
652 | niro | 532 | }; |
653 | |||
654 | struct configFileInfo ziplConfigType = { | ||
655 | niro | 3002 | .defaultConfig = "/etc/zipl.conf", |
656 | .keywords = ziplKeywords, | ||
657 | .entryStart = LT_TITLE, | ||
658 | .argsInQuotes = 1, | ||
659 | .titleBracketed = 1, | ||
660 | niro | 532 | }; |
661 | |||
662 | niro | 914 | struct configFileInfo extlinuxConfigType = { |
663 | niro | 3002 | .defaultConfig = "/boot/extlinux/extlinux.conf", |
664 | .keywords = extlinuxKeywords, | ||
665 | .caseInsensitive = 1, | ||
666 | .entryStart = LT_TITLE, | ||
667 | .needsBootPrefix = 1, | ||
668 | .maxTitleLength = 255, | ||
669 | .mbAllowExtraInitRds = 1, | ||
670 | .defaultIsUnquoted = 1, | ||
671 | .titlePosition = 1, | ||
672 | niro | 914 | }; |
673 | |||
674 | niro | 532 | struct grubConfig { |
675 | niro | 3002 | struct singleLine *theLines; |
676 | struct singleEntry *entries; | ||
677 | char *primaryIndent; | ||
678 | char *secondaryIndent; | ||
679 | int defaultImage; /* -1 if none specified -- this value is | ||
680 | * written out, overriding original */ | ||
681 | int fallbackImage; /* just like defaultImage */ | ||
682 | int flags; | ||
683 | struct configFileInfo *cfi; | ||
684 | niro | 3019 | int isModified; /* assumes only one entry added |
685 | per invocation of grubby */ | ||
686 | niro | 532 | }; |
687 | |||
688 | niro | 1156 | blkid_cache blkid; |
689 | |||
690 | niro | 3002 | struct singleEntry *findEntryByIndex(struct grubConfig *cfg, int index); |
691 | struct singleEntry *findEntryByPath(struct grubConfig *cfg, | ||
692 | const char *path, const char *prefix, | ||
693 | int *index); | ||
694 | struct singleEntry *findEntryByTitle(struct grubConfig *cfg, char *title, | ||
695 | int *index); | ||
696 | static int readFile(int fd, char **bufPtr); | ||
697 | static void lineInit(struct singleLine *line); | ||
698 | struct singleLine *lineDup(struct singleLine *line); | ||
699 | static void lineFree(struct singleLine *line); | ||
700 | static int lineWrite(FILE * out, struct singleLine *line, | ||
701 | struct configFileInfo *cfi); | ||
702 | static int getNextLine(char **bufPtr, struct singleLine *line, | ||
703 | struct configFileInfo *cfi); | ||
704 | static char *getRootSpecifier(char *str); | ||
705 | static void requote(struct singleLine *line, struct configFileInfo *cfi); | ||
706 | static void insertElement(struct singleLine *line, | ||
707 | const char *item, int insertHere, | ||
708 | struct configFileInfo *cfi); | ||
709 | static void removeElement(struct singleLine *line, int removeHere); | ||
710 | static struct keywordTypes *getKeywordByType(enum lineType_e type, | ||
711 | struct configFileInfo *cfi); | ||
712 | static enum lineType_e getTypeByKeyword(char *keyword, | ||
713 | struct configFileInfo *cfi); | ||
714 | static struct singleLine *getLineByType(enum lineType_e type, | ||
715 | struct singleLine *line); | ||
716 | static int checkForExtLinux(struct grubConfig *config); | ||
717 | struct singleLine *addLineTmpl(struct singleEntry *entry, | ||
718 | struct singleLine *tmplLine, | ||
719 | struct singleLine *prevLine, | ||
720 | const char *val, struct configFileInfo *cfi); | ||
721 | struct singleLine *addLine(struct singleEntry *entry, | ||
722 | struct configFileInfo *cfi, | ||
723 | enum lineType_e type, char *defaultIndent, | ||
724 | const char *val); | ||
725 | niro | 532 | |
726 | niro | 3002 | static char *sdupprintf(const char *format, ...) |
727 | niro | 532 | #ifdef __GNUC__ |
728 | niro | 3002 | __attribute__ ((format(printf, 1, 2))); |
729 | niro | 532 | #else |
730 | niro | 3002 | ; |
731 | niro | 532 | #endif |
732 | |||
733 | niro | 3002 | static char *sdupprintf(const char *format, ...) |
734 | { | ||
735 | char *buf = NULL; | ||
736 | char c; | ||
737 | va_list args; | ||
738 | size_t size = 0; | ||
739 | va_start(args, format); | ||
740 | niro | 532 | |
741 | niro | 3002 | /* XXX requires C99 vsnprintf behavior */ |
742 | size = vsnprintf(&c, 1, format, args) + 1; | ||
743 | if (size == -1) { | ||
744 | printf("ERROR: vsnprintf behavior is not C99\n"); | ||
745 | abort(); | ||
746 | } | ||
747 | niro | 532 | |
748 | niro | 3002 | va_end(args); |
749 | va_start(args, format); | ||
750 | niro | 532 | |
751 | niro | 3002 | buf = malloc(size); |
752 | if (buf == NULL) | ||
753 | return NULL; | ||
754 | vsnprintf(buf, size, format, args); | ||
755 | va_end(args); | ||
756 | |||
757 | return buf; | ||
758 | niro | 532 | } |
759 | |||
760 | niro | 3003 | static inline int |
761 | kwcmp(struct keywordTypes *kw, const char * label, int case_insensitive) | ||
762 | { | ||
763 | int kwl = strlen(kw->key); | ||
764 | int ll = strlen(label); | ||
765 | int rc; | ||
766 | int (*snc)(const char *s1, const char *s2, size_t n) = | ||
767 | case_insensitive ? strncasecmp : strncmp; | ||
768 | int (*sc)(const char *s1, const char *s2) = | ||
769 | case_insensitive ? strcasecmp : strcmp; | ||
770 | |||
771 | rc = snc(kw->key, label, kwl); | ||
772 | if (rc) | ||
773 | return rc; | ||
774 | |||
775 | for (int i = kwl; i < ll; i++) { | ||
776 | if (isspace(label[i])) | ||
777 | return 0; | ||
778 | if (kw->separatorChar && label[i] == kw->separatorChar) | ||
779 | return 0; | ||
780 | else if (kw->nextChar && label[i] == kw->nextChar) | ||
781 | return 0; | ||
782 | return sc(kw->key+kwl, label+kwl); | ||
783 | } | ||
784 | return 0; | ||
785 | } | ||
786 | |||
787 | niro | 1940 | static enum lineType_e preferredLineType(enum lineType_e type, |
788 | niro | 3002 | struct configFileInfo *cfi) |
789 | { | ||
790 | if (isEfi && cfi == &grub2ConfigType) { | ||
791 | switch (type) { | ||
792 | case LT_KERNEL: | ||
793 | return isEfiOnly ? LT_KERNEL : LT_KERNEL_EFI; | ||
794 | case LT_INITRD: | ||
795 | return isEfiOnly ? LT_INITRD : LT_INITRD_EFI; | ||
796 | default: | ||
797 | return type; | ||
798 | } | ||
799 | niro | 2683 | #if defined(__i386__) || defined(__x86_64__) |
800 | niro | 3002 | } else if (cfi == &grub2ConfigType) { |
801 | switch (type) { | ||
802 | case LT_KERNEL: | ||
803 | return LT_KERNEL_16; | ||
804 | case LT_INITRD: | ||
805 | return LT_INITRD_16; | ||
806 | default: | ||
807 | return type; | ||
808 | } | ||
809 | #endif | ||
810 | niro | 2683 | } |
811 | niro | 3002 | return type; |
812 | niro | 1940 | } |
813 | |||
814 | niro | 3002 | static struct keywordTypes *getKeywordByType(enum lineType_e type, |
815 | struct configFileInfo *cfi) | ||
816 | { | ||
817 | for (struct keywordTypes * kw = cfi->keywords; kw->key; kw++) { | ||
818 | if (kw->type == type) | ||
819 | return kw; | ||
820 | } | ||
821 | return NULL; | ||
822 | niro | 914 | } |
823 | |||
824 | niro | 3002 | static char *getKeyByType(enum lineType_e type, struct configFileInfo *cfi) |
825 | { | ||
826 | struct keywordTypes *kt = getKeywordByType(type, cfi); | ||
827 | if (kt) | ||
828 | return kt->key; | ||
829 | return "unknown"; | ||
830 | niro | 1696 | } |
831 | |||
832 | niro | 3002 | static char *getpathbyspec(char *device) |
833 | { | ||
834 | if (!blkid) | ||
835 | blkid_get_cache(&blkid, NULL); | ||
836 | niro | 914 | |
837 | niro | 3002 | return blkid_get_devname(blkid, device, NULL); |
838 | niro | 914 | } |
839 | |||
840 | niro | 3002 | static char *getuuidbydev(char *device) |
841 | { | ||
842 | if (!blkid) | ||
843 | blkid_get_cache(&blkid, NULL); | ||
844 | niro | 1156 | |
845 | niro | 3002 | return blkid_get_tag_value(blkid, "UUID", device); |
846 | niro | 1156 | } |
847 | |||
848 | niro | 3002 | static enum lineType_e getTypeByKeyword(char *keyword, |
849 | struct configFileInfo *cfi) | ||
850 | { | ||
851 | for (struct keywordTypes * kw = cfi->keywords; kw->key; kw++) { | ||
852 | niro | 3003 | if (!kwcmp(kw, keyword, cfi->caseInsensitive)) |
853 | return kw->type; | ||
854 | niro | 2056 | } |
855 | niro | 3002 | return LT_UNKNOWN; |
856 | niro | 914 | } |
857 | |||
858 | niro | 3002 | static struct singleLine *getLineByType(enum lineType_e type, |
859 | struct singleLine *line) | ||
860 | { | ||
861 | dbgPrintf("getLineByType(%d): ", type); | ||
862 | for (; line; line = line->next) { | ||
863 | dbgPrintf("%d:%s ", line->type, | ||
864 | line->numElements ? line->elements[0]. | ||
865 | item : "(empty)"); | ||
866 | if (line->type & type) | ||
867 | break; | ||
868 | } | ||
869 | dbgPrintf(line ? "\n" : " (failed)\n"); | ||
870 | return line; | ||
871 | niro | 914 | } |
872 | |||
873 | niro | 3002 | static int isBracketedTitle(struct singleLine *line) |
874 | { | ||
875 | if (line->numElements == 1 && *line->elements[0].item == '[') { | ||
876 | int len = strlen(line->elements[0].item); | ||
877 | if (*(line->elements[0].item + len - 1) == ']') { | ||
878 | /* FIXME: this is a hack... */ | ||
879 | if (strcmp(line->elements[0].item, "[defaultboot]")) { | ||
880 | return 1; | ||
881 | } | ||
882 | } | ||
883 | } | ||
884 | return 0; | ||
885 | niro | 532 | } |
886 | |||
887 | niro | 3002 | static int isEntryStart(struct singleLine *line, struct configFileInfo *cfi) |
888 | { | ||
889 | return line->type == cfi->entryStart || line->type == LT_OTHER || | ||
890 | (cfi->titleBracketed && isBracketedTitle(line)); | ||
891 | niro | 532 | } |
892 | |||
893 | /* extract the title from within brackets (for zipl) */ | ||
894 | niro | 3002 | static char *extractTitle(struct grubConfig *cfg, struct singleLine *line) |
895 | { | ||
896 | /* bracketed title... let's extract it */ | ||
897 | char *title = NULL; | ||
898 | if (line->type == LT_TITLE) { | ||
899 | char *tmp = line->elements[cfg->cfi->titlePosition].item; | ||
900 | if (cfg->cfi->titleBracketed) { | ||
901 | tmp++; | ||
902 | title = strdup(tmp); | ||
903 | *(title + strlen(title) - 1) = '\0'; | ||
904 | } else { | ||
905 | title = strdup(tmp); | ||
906 | } | ||
907 | } else if (line->type == LT_MENUENTRY) | ||
908 | title = strdup(line->elements[1].item); | ||
909 | else | ||
910 | return NULL; | ||
911 | return title; | ||
912 | niro | 532 | } |
913 | |||
914 | niro | 3002 | static int readFile(int fd, char **bufPtr) |
915 | { | ||
916 | int alloced = 0, size = 0, i = 0; | ||
917 | char *buf = NULL; | ||
918 | niro | 532 | |
919 | niro | 3002 | do { |
920 | size += i; | ||
921 | if ((size + 1024) > alloced) { | ||
922 | alloced += 4096; | ||
923 | buf = realloc(buf, alloced + 1); | ||
924 | } | ||
925 | } while ((i = read(fd, buf + size, 1024)) > 0); | ||
926 | |||
927 | if (i < 0) { | ||
928 | fprintf(stderr, _("error reading input: %s\n"), | ||
929 | strerror(errno)); | ||
930 | free(buf); | ||
931 | return 1; | ||
932 | niro | 532 | } |
933 | |||
934 | niro | 3002 | buf = realloc(buf, size + 2); |
935 | if (size == 0) | ||
936 | buf[size++] = '\n'; | ||
937 | else if (buf[size - 1] != '\n') | ||
938 | buf[size++] = '\n'; | ||
939 | buf[size] = '\0'; | ||
940 | niro | 532 | |
941 | niro | 3002 | *bufPtr = buf; |
942 | niro | 532 | |
943 | niro | 3002 | return 0; |
944 | niro | 532 | } |
945 | |||
946 | niro | 3002 | static void lineInit(struct singleLine *line) |
947 | { | ||
948 | niro | 3003 | line->type = LT_UNIDENTIFIED; |
949 | niro | 3002 | line->indent = NULL; |
950 | line->elements = NULL; | ||
951 | line->numElements = 0; | ||
952 | line->next = NULL; | ||
953 | niro | 532 | } |
954 | |||
955 | niro | 3002 | struct singleLine *lineDup(struct singleLine *line) |
956 | { | ||
957 | struct singleLine *newLine = malloc(sizeof(*newLine)); | ||
958 | niro | 914 | |
959 | niro | 3002 | newLine->indent = strdup(line->indent); |
960 | newLine->next = NULL; | ||
961 | newLine->type = line->type; | ||
962 | newLine->numElements = line->numElements; | ||
963 | newLine->elements = malloc(sizeof(*newLine->elements) * | ||
964 | newLine->numElements); | ||
965 | niro | 914 | |
966 | niro | 3002 | for (int i = 0; i < newLine->numElements; i++) { |
967 | newLine->elements[i].indent = strdup(line->elements[i].indent); | ||
968 | newLine->elements[i].item = strdup(line->elements[i].item); | ||
969 | } | ||
970 | niro | 914 | |
971 | niro | 3002 | return newLine; |
972 | niro | 914 | } |
973 | |||
974 | niro | 3002 | static void lineFree(struct singleLine *line) |
975 | { | ||
976 | if (line->indent) | ||
977 | free(line->indent); | ||
978 | niro | 532 | |
979 | niro | 3002 | for (int i = 0; i < line->numElements; i++) { |
980 | free(line->elements[i].item); | ||
981 | free(line->elements[i].indent); | ||
982 | } | ||
983 | niro | 532 | |
984 | niro | 3002 | if (line->elements) |
985 | free(line->elements); | ||
986 | lineInit(line); | ||
987 | niro | 532 | } |
988 | |||
989 | niro | 3002 | static int lineWrite(FILE * out, struct singleLine *line, |
990 | struct configFileInfo *cfi) | ||
991 | { | ||
992 | if (fprintf(out, "%s", line->indent) == -1) | ||
993 | return -1; | ||
994 | niro | 532 | |
995 | niro | 3002 | for (int i = 0; i < line->numElements; i++) { |
996 | /* Need to handle this, because we strip the quotes from | ||
997 | * menuentry when read it. */ | ||
998 | if (line->type == LT_MENUENTRY && i == 1) { | ||
999 | if (!isquote(*line->elements[i].item)) { | ||
1000 | int substring = 0; | ||
1001 | /* If the line contains nested quotes, we did | ||
1002 | * not strip the "interna" quotes and we must | ||
1003 | * use the right quotes again when writing | ||
1004 | * the updated file. */ | ||
1005 | for (int j = i; j < line->numElements; j++) { | ||
1006 | if (strchr(line->elements[i].item, '\'') | ||
1007 | != NULL) { | ||
1008 | substring = 1; | ||
1009 | fprintf(out, "\"%s\"", | ||
1010 | line->elements[i].item); | ||
1011 | break; | ||
1012 | } | ||
1013 | } | ||
1014 | if (!substring) | ||
1015 | fprintf(out, "\'%s\'", | ||
1016 | line->elements[i].item); | ||
1017 | } else { | ||
1018 | fprintf(out, "%s", line->elements[i].item); | ||
1019 | } | ||
1020 | fprintf(out, "%s", line->elements[i].indent); | ||
1021 | |||
1022 | continue; | ||
1023 | niro | 2989 | } |
1024 | niro | 1801 | |
1025 | niro | 3002 | if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes) |
1026 | if (fputc('"', out) == EOF) | ||
1027 | return -1; | ||
1028 | |||
1029 | if (fprintf(out, "%s", line->elements[i].item) == -1) | ||
1030 | return -1; | ||
1031 | niro | 3003 | if (i < line->numElements - 1 || line->type == LT_SET_VARIABLE) |
1032 | niro | 3002 | if (fprintf(out, "%s", line->elements[i].indent) == -1) |
1033 | return -1; | ||
1034 | niro | 1801 | } |
1035 | |||
1036 | niro | 3002 | if (line->type == LT_KERNELARGS && cfi->argsInQuotes) |
1037 | if (fputc('"', out) == EOF) | ||
1038 | return -1; | ||
1039 | niro | 532 | |
1040 | niro | 3002 | if (fprintf(out, "\n") == -1) |
1041 | return -1; | ||
1042 | niro | 532 | |
1043 | niro | 3002 | return 0; |
1044 | niro | 532 | } |
1045 | |||
1046 | /* we've guaranteed that the buffer ends w/ \n\0 */ | ||
1047 | niro | 3002 | static int getNextLine(char **bufPtr, struct singleLine *line, |
1048 | struct configFileInfo *cfi) | ||
1049 | { | ||
1050 | char *end; | ||
1051 | char *start = *bufPtr; | ||
1052 | char *chptr; | ||
1053 | int elementsAlloced = 0; | ||
1054 | struct lineElement *element; | ||
1055 | int first = 1; | ||
1056 | niro | 532 | |
1057 | niro | 3002 | lineFree(line); |
1058 | niro | 532 | |
1059 | niro | 3002 | end = strchr(start, '\n'); |
1060 | *end = '\0'; | ||
1061 | *bufPtr = end + 1; | ||
1062 | niro | 532 | |
1063 | niro | 3002 | for (chptr = start; *chptr && isspace(*chptr); chptr++) ; |
1064 | niro | 532 | |
1065 | niro | 3002 | line->indent = strndup(start, chptr - start); |
1066 | start = chptr; | ||
1067 | niro | 532 | |
1068 | niro | 3002 | while (start < end) { |
1069 | /* we know !isspace(*start) */ | ||
1070 | niro | 532 | |
1071 | niro | 3002 | if (elementsAlloced == line->numElements) { |
1072 | elementsAlloced += 5; | ||
1073 | line->elements = realloc(line->elements, | ||
1074 | sizeof(*line->elements) * | ||
1075 | elementsAlloced); | ||
1076 | } | ||
1077 | niro | 532 | |
1078 | niro | 3002 | element = line->elements + line->numElements; |
1079 | niro | 532 | |
1080 | niro | 3002 | chptr = start; |
1081 | while (*chptr && !isspace(*chptr)) { | ||
1082 | if (first && *chptr == '=') | ||
1083 | break; | ||
1084 | chptr++; | ||
1085 | } | ||
1086 | niro | 3003 | if (line->type == LT_UNIDENTIFIED) |
1087 | line->type = getTypeByKeyword(start, cfi); | ||
1088 | niro | 3002 | element->item = strndup(start, chptr - start); |
1089 | start = chptr; | ||
1090 | niro | 532 | |
1091 | niro | 3002 | /* lilo actually accepts the pathological case of |
1092 | * append = " foo " */ | ||
1093 | if (*start == '=') | ||
1094 | chptr = start + 1; | ||
1095 | else | ||
1096 | chptr = start; | ||
1097 | niro | 532 | |
1098 | niro | 3002 | do { |
1099 | for (; *chptr && isspace(*chptr); chptr++) ; | ||
1100 | if (*chptr == '=') | ||
1101 | chptr = chptr + 1; | ||
1102 | } while (isspace(*chptr)); | ||
1103 | niro | 532 | |
1104 | niro | 3002 | element->indent = strndup(start, chptr - start); |
1105 | start = chptr; | ||
1106 | niro | 532 | |
1107 | niro | 3002 | line->numElements++; |
1108 | first = 0; | ||
1109 | } | ||
1110 | niro | 532 | |
1111 | niro | 3002 | if (!line->numElements) |
1112 | line->type = LT_WHITESPACE; | ||
1113 | else { | ||
1114 | line->type = getTypeByKeyword(line->elements[0].item, cfi); | ||
1115 | if (line->type == LT_UNKNOWN) { | ||
1116 | /* zipl does [title] instead of something reasonable | ||
1117 | * like all the other boot loaders. kind of ugly */ | ||
1118 | if (cfi->titleBracketed && isBracketedTitle(line)) { | ||
1119 | line->type = LT_TITLE; | ||
1120 | } | ||
1121 | niro | 532 | |
1122 | niro | 3002 | /* this is awkward, but we need to be able to handle |
1123 | * keywords that begin with a # (specifically for | ||
1124 | * #boot in grub.conf), but still make comments lines | ||
1125 | * with no elements (everything stored in the indent | ||
1126 | */ | ||
1127 | if (*line->elements[0].item == '#') { | ||
1128 | char *fullLine; | ||
1129 | int len; | ||
1130 | niro | 532 | |
1131 | niro | 3002 | len = strlen(line->indent); |
1132 | for (int i = 0; i < line->numElements; i++) | ||
1133 | len += strlen(line->elements[i].item) + | ||
1134 | strlen(line->elements[i].indent); | ||
1135 | niro | 532 | |
1136 | niro | 3002 | fullLine = malloc(len + 1); |
1137 | strcpy(fullLine, line->indent); | ||
1138 | free(line->indent); | ||
1139 | line->indent = fullLine; | ||
1140 | niro | 532 | |
1141 | niro | 3002 | for (int i = 0; i < line->numElements; i++) { |
1142 | strcat(fullLine, | ||
1143 | line->elements[i].item); | ||
1144 | strcat(fullLine, | ||
1145 | line->elements[i].indent); | ||
1146 | free(line->elements[i].item); | ||
1147 | free(line->elements[i].indent); | ||
1148 | } | ||
1149 | niro | 532 | |
1150 | niro | 3002 | line->type = LT_WHITESPACE; |
1151 | line->numElements = 0; | ||
1152 | } | ||
1153 | niro | 3003 | } else if (line->type == LT_INITRD) { |
1154 | niro | 3002 | struct keywordTypes *kw; |
1155 | niro | 914 | |
1156 | niro | 3002 | kw = getKeywordByType(line->type, cfi); |
1157 | niro | 914 | |
1158 | niro | 3002 | /* space isn't the only separator, we need to split |
1159 | * elements up more | ||
1160 | */ | ||
1161 | if (!isspace(kw->separatorChar)) { | ||
1162 | char indent[2] = ""; | ||
1163 | indent[0] = kw->separatorChar; | ||
1164 | for (int i = 1; i < line->numElements; i++) { | ||
1165 | char *p; | ||
1166 | int numNewElements; | ||
1167 | niro | 914 | |
1168 | niro | 3002 | numNewElements = 0; |
1169 | p = line->elements[i].item; | ||
1170 | while (*p != '\0') { | ||
1171 | if (*p == kw->separatorChar) | ||
1172 | numNewElements++; | ||
1173 | p++; | ||
1174 | } | ||
1175 | if (line->numElements + | ||
1176 | numNewElements >= elementsAlloced) { | ||
1177 | elementsAlloced += | ||
1178 | numNewElements + 5; | ||
1179 | line->elements = | ||
1180 | realloc(line->elements, | ||
1181 | sizeof(*line-> | ||
1182 | elements) * | ||
1183 | elementsAlloced); | ||
1184 | } | ||
1185 | niro | 914 | |
1186 | niro | 3002 | for (int j = line->numElements; j > i; |
1187 | j--) { | ||
1188 | line->elements[j + | ||
1189 | numNewElements] = | ||
1190 | line->elements[j]; | ||
1191 | } | ||
1192 | line->numElements += numNewElements; | ||
1193 | niro | 914 | |
1194 | niro | 3002 | p = line->elements[i].item; |
1195 | while (*p != '\0') { | ||
1196 | niro | 914 | |
1197 | niro | 3002 | while (*p != kw->separatorChar |
1198 | && *p != '\0') | ||
1199 | p++; | ||
1200 | if (*p == '\0') { | ||
1201 | break; | ||
1202 | } | ||
1203 | |||
1204 | line->elements[i + 1].indent = | ||
1205 | line->elements[i].indent; | ||
1206 | line->elements[i].indent = | ||
1207 | strdup(indent); | ||
1208 | *p++ = '\0'; | ||
1209 | i++; | ||
1210 | line->elements[i].item = | ||
1211 | strdup(p); | ||
1212 | } | ||
1213 | niro | 914 | } |
1214 | } | ||
1215 | niro | 3003 | } else if (line->type == LT_SET_VARIABLE) { |
1216 | /* and if it's a "set blah=" we need to split it | ||
1217 | * yet a third way to avoid rhbz# XXX FIXME :/ | ||
1218 | */ | ||
1219 | char *eq; | ||
1220 | int l; | ||
1221 | int numElements = line->numElements; | ||
1222 | struct lineElement *newElements; | ||
1223 | eq = strchr(line->elements[1].item, '='); | ||
1224 | if (!eq) | ||
1225 | return 0; | ||
1226 | l = eq - line->elements[1].item; | ||
1227 | if (eq[1] != 0) | ||
1228 | numElements++; | ||
1229 | newElements = calloc(numElements,sizeof (*newElements)); | ||
1230 | memcpy(&newElements[0], &line->elements[0], | ||
1231 | sizeof (newElements[0])); | ||
1232 | newElements[1].item = | ||
1233 | strndup(line->elements[1].item, l); | ||
1234 | newElements[1].indent = "="; | ||
1235 | *(eq++) = '\0'; | ||
1236 | newElements[2].item = strdup(eq); | ||
1237 | free(line->elements[1].item); | ||
1238 | if (line->elements[1].indent) | ||
1239 | newElements[2].indent = line->elements[1].indent; | ||
1240 | for (int i = 2; i < line->numElements; i++) { | ||
1241 | newElements[i+1].item = line->elements[i].item; | ||
1242 | newElements[i+1].indent = | ||
1243 | line->elements[i].indent; | ||
1244 | } | ||
1245 | free(line->elements); | ||
1246 | line->elements = newElements; | ||
1247 | line->numElements = numElements; | ||
1248 | niro | 914 | } |
1249 | niro | 532 | } |
1250 | |||
1251 | niro | 3002 | return 0; |
1252 | niro | 532 | } |
1253 | |||
1254 | niro | 2258 | static int isnumber(const char *s) |
1255 | { | ||
1256 | niro | 3002 | int i; |
1257 | for (i = 0; s[i] != '\0'; i++) | ||
1258 | if (s[i] < '0' || s[i] > '9') | ||
1259 | return 0; | ||
1260 | return i; | ||
1261 | niro | 2258 | } |
1262 | |||
1263 | niro | 3002 | static struct grubConfig *readConfig(const char *inName, |
1264 | struct configFileInfo *cfi) | ||
1265 | { | ||
1266 | int in; | ||
1267 | char *incoming = NULL, *head; | ||
1268 | int rc; | ||
1269 | int sawEntry = 0; | ||
1270 | int movedLine = 0; | ||
1271 | struct grubConfig *cfg; | ||
1272 | struct singleLine *last = NULL, *line, *defaultLine = NULL; | ||
1273 | char *end; | ||
1274 | struct singleEntry *entry = NULL; | ||
1275 | int len; | ||
1276 | char *buf; | ||
1277 | niro | 532 | |
1278 | niro | 3002 | if (inName == NULL) { |
1279 | printf("Could not find bootloader configuration\n"); | ||
1280 | exit(1); | ||
1281 | } else if (!strcmp(inName, "-")) { | ||
1282 | in = 0; | ||
1283 | } else { | ||
1284 | if ((in = open(inName, O_RDONLY)) < 0) { | ||
1285 | fprintf(stderr, _("error opening %s for read: %s\n"), | ||
1286 | inName, strerror(errno)); | ||
1287 | return NULL; | ||
1288 | } | ||
1289 | niro | 532 | } |
1290 | |||
1291 | niro | 3002 | rc = readFile(in, &incoming); |
1292 | close(in); | ||
1293 | if (rc) | ||
1294 | return NULL; | ||
1295 | niro | 532 | |
1296 | niro | 3002 | head = incoming; |
1297 | cfg = malloc(sizeof(*cfg)); | ||
1298 | cfg->primaryIndent = strdup(""); | ||
1299 | cfg->secondaryIndent = strdup("\t"); | ||
1300 | cfg->flags = GRUB_CONFIG_NO_DEFAULT; | ||
1301 | cfg->cfi = cfi; | ||
1302 | cfg->theLines = NULL; | ||
1303 | cfg->entries = NULL; | ||
1304 | cfg->fallbackImage = 0; | ||
1305 | niro | 3019 | cfg->isModified = 0; |
1306 | niro | 532 | |
1307 | niro | 3002 | /* copy everything we have */ |
1308 | while (*head) { | ||
1309 | line = malloc(sizeof(*line)); | ||
1310 | lineInit(line); | ||
1311 | niro | 532 | |
1312 | niro | 3002 | if (getNextLine(&head, line, cfi)) { |
1313 | free(line); | ||
1314 | /* XXX memory leak of everything in cfg */ | ||
1315 | return NULL; | ||
1316 | } | ||
1317 | niro | 532 | |
1318 | niro | 3002 | if (!sawEntry && line->numElements) { |
1319 | free(cfg->primaryIndent); | ||
1320 | cfg->primaryIndent = strdup(line->indent); | ||
1321 | } else if (line->numElements) { | ||
1322 | free(cfg->secondaryIndent); | ||
1323 | cfg->secondaryIndent = strdup(line->indent); | ||
1324 | } | ||
1325 | niro | 532 | |
1326 | niro | 3002 | if (isEntryStart(line, cfi) || (cfg->entries && !sawEntry)) { |
1327 | sawEntry = 1; | ||
1328 | if (!entry) { | ||
1329 | cfg->entries = malloc(sizeof(*entry)); | ||
1330 | entry = cfg->entries; | ||
1331 | } else { | ||
1332 | entry->next = malloc(sizeof(*entry)); | ||
1333 | entry = entry->next; | ||
1334 | } | ||
1335 | niro | 532 | |
1336 | niro | 3002 | entry->skip = 0; |
1337 | entry->multiboot = 0; | ||
1338 | entry->lines = NULL; | ||
1339 | entry->next = NULL; | ||
1340 | } | ||
1341 | niro | 532 | |
1342 | niro | 3002 | if (line->type == LT_SET_VARIABLE) { |
1343 | dbgPrintf("found 'set' command (%d elements): ", | ||
1344 | line->numElements); | ||
1345 | dbgPrintf("%s", line->indent); | ||
1346 | for (int i = 0; i < line->numElements; i++) | ||
1347 | dbgPrintf("\"%s\"%s", line->elements[i].item, | ||
1348 | line->elements[i].indent); | ||
1349 | dbgPrintf("\n"); | ||
1350 | struct keywordTypes *kwType = | ||
1351 | getKeywordByType(LT_DEFAULT, cfi); | ||
1352 | if (kwType && line->numElements == 3 | ||
1353 | && !strcmp(line->elements[1].item, kwType->key) | ||
1354 | niro | 3003 | && !is_special_grub2_variable( |
1355 | line->elements[2].item)) { | ||
1356 | niro | 3002 | dbgPrintf("Line sets default config\n"); |
1357 | cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT; | ||
1358 | defaultLine = line; | ||
1359 | } | ||
1360 | } else if (iskernel(line->type)) { | ||
1361 | /* if by some freak chance this is multiboot and the | ||
1362 | * "module" lines came earlier in the template, make | ||
1363 | * sure to use LT_HYPER instead of LT_KERNEL now | ||
1364 | */ | ||
1365 | if (entry && entry->multiboot) | ||
1366 | line->type = LT_HYPER; | ||
1367 | niro | 914 | |
1368 | niro | 3002 | } else if (line->type == LT_MBMODULE) { |
1369 | /* go back and fix the LT_KERNEL line to indicate | ||
1370 | * LT_HYPER instead, now that we know this is a | ||
1371 | * multiboot entry. This only applies to grub, but | ||
1372 | * that's the only place we should find LT_MBMODULE | ||
1373 | * lines anyway. | ||
1374 | */ | ||
1375 | for (struct singleLine * l = entry->lines; l; | ||
1376 | l = l->next) { | ||
1377 | if (l->type == LT_HYPER) | ||
1378 | break; | ||
1379 | else if (iskernel(l->type)) { | ||
1380 | l->type = LT_HYPER; | ||
1381 | break; | ||
1382 | } | ||
1383 | } | ||
1384 | entry->multiboot = 1; | ||
1385 | niro | 914 | |
1386 | niro | 3002 | } else if (line->type == LT_HYPER) { |
1387 | entry->multiboot = 1; | ||
1388 | niro | 914 | |
1389 | niro | 3002 | } else if (line->type == LT_FALLBACK && line->numElements == 2) { |
1390 | cfg->fallbackImage = | ||
1391 | strtol(line->elements[1].item, &end, 10); | ||
1392 | if (*end) | ||
1393 | cfg->fallbackImage = -1; | ||
1394 | niro | 914 | |
1395 | niro | 3002 | } else if ((line->type == LT_DEFAULT && cfi->defaultIsUnquoted) |
1396 | || (line->type == LT_TITLE | ||
1397 | && line->numElements > 1)) { | ||
1398 | /* make the title/default a single argument (undoing | ||
1399 | * our parsing) */ | ||
1400 | len = 0; | ||
1401 | for (int i = 1; i < line->numElements; i++) { | ||
1402 | len += strlen(line->elements[i].item); | ||
1403 | len += strlen(line->elements[i].indent); | ||
1404 | } | ||
1405 | buf = malloc(len + 1); | ||
1406 | *buf = '\0'; | ||
1407 | niro | 532 | |
1408 | niro | 3002 | for (int i = 1; i < line->numElements; i++) { |
1409 | strcat(buf, line->elements[i].item); | ||
1410 | free(line->elements[i].item); | ||
1411 | niro | 532 | |
1412 | niro | 3002 | if ((i + 1) != line->numElements) { |
1413 | strcat(buf, line->elements[i].indent); | ||
1414 | free(line->elements[i].indent); | ||
1415 | } | ||
1416 | } | ||
1417 | niro | 532 | |
1418 | niro | 3002 | line->elements[1].indent = |
1419 | line->elements[line->numElements - 1].indent; | ||
1420 | line->elements[1].item = buf; | ||
1421 | line->numElements = 2; | ||
1422 | } else if (line->type == LT_MENUENTRY && line->numElements > 3) { | ||
1423 | /* let --remove-kernel="TITLE=what" work */ | ||
1424 | len = 0; | ||
1425 | char *extras; | ||
1426 | char *title; | ||
1427 | /* initially unseen value */ | ||
1428 | char quote_char = '\0'; | ||
1429 | niro | 914 | |
1430 | niro | 3002 | for (int i = 1; i < line->numElements; i++) { |
1431 | len += strlen(line->elements[i].item); | ||
1432 | len += strlen(line->elements[i].indent); | ||
1433 | } | ||
1434 | buf = malloc(len + 1); | ||
1435 | *buf = '\0'; | ||
1436 | niro | 1801 | |
1437 | niro | 3002 | /* allocate mem for extra flags. */ |
1438 | extras = malloc(len + 1); | ||
1439 | *extras = '\0'; | ||
1440 | niro | 1801 | |
1441 | niro | 3002 | /* get title. */ |
1442 | for (int i = 0; i < line->numElements; i++) { | ||
1443 | if (!strcmp | ||
1444 | (line->elements[i].item, "menuentry")) | ||
1445 | continue; | ||
1446 | if (isquote(*line->elements[i].item) | ||
1447 | && quote_char == '\0') { | ||
1448 | /* ensure we properly pair off quotes */ | ||
1449 | quote_char = *line->elements[i].item; | ||
1450 | title = line->elements[i].item + 1; | ||
1451 | } else { | ||
1452 | title = line->elements[i].item; | ||
1453 | } | ||
1454 | niro | 1801 | |
1455 | niro | 3002 | len = strlen(title); |
1456 | if (title[len - 1] == quote_char) { | ||
1457 | strncat(buf, title, len - 1); | ||
1458 | break; | ||
1459 | } else { | ||
1460 | strcat(buf, title); | ||
1461 | strcat(buf, line->elements[i].indent); | ||
1462 | } | ||
1463 | } | ||
1464 | niro | 1801 | |
1465 | niro | 3002 | /* get extras */ |
1466 | int count = 0; | ||
1467 | quote_char = '\0'; | ||
1468 | for (int i = 0; i < line->numElements; i++) { | ||
1469 | if (count >= 2) { | ||
1470 | strcat(extras, line->elements[i].item); | ||
1471 | strcat(extras, | ||
1472 | line->elements[i].indent); | ||
1473 | } | ||
1474 | niro | 1801 | |
1475 | niro | 3002 | if (!strcmp |
1476 | (line->elements[i].item, "menuentry")) | ||
1477 | continue; | ||
1478 | niro | 1801 | |
1479 | niro | 3002 | /* count ' or ", there should be two in menuentry line. */ |
1480 | if (isquote(*line->elements[i].item) | ||
1481 | && quote_char == '\0') { | ||
1482 | /* ensure we properly pair off quotes */ | ||
1483 | quote_char = *line->elements[i].item; | ||
1484 | count++; | ||
1485 | } | ||
1486 | niro | 1801 | |
1487 | niro | 3002 | len = strlen(line->elements[i].item); |
1488 | niro | 1801 | |
1489 | niro | 3002 | if (line->elements[i].item[len - 1] == |
1490 | quote_char) | ||
1491 | count++; | ||
1492 | niro | 1801 | |
1493 | niro | 3002 | /* ok, we get the final ' or ", others are extras. */ |
1494 | } | ||
1495 | line->elements[1].indent = | ||
1496 | line->elements[line->numElements - 2].indent; | ||
1497 | line->elements[1].item = buf; | ||
1498 | line->elements[2].indent = | ||
1499 | line->elements[line->numElements - 2].indent; | ||
1500 | line->elements[2].item = extras; | ||
1501 | line->numElements = 3; | ||
1502 | } else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) { | ||
1503 | /* Strip off any " which may be present; they'll be | ||
1504 | * put back on write. This is one of the few (the | ||
1505 | * only?) places that grubby canonicalizes the output | ||
1506 | */ | ||
1507 | if (line->numElements >= 2) { | ||
1508 | int last, len; | ||
1509 | niro | 532 | |
1510 | niro | 3002 | if (isquote(*line->elements[1].item)) |
1511 | memmove(line->elements[1].item, | ||
1512 | line->elements[1].item + 1, | ||
1513 | strlen(line->elements[1].item + | ||
1514 | 1) + 1); | ||
1515 | niro | 532 | |
1516 | niro | 3002 | last = line->numElements - 1; |
1517 | len = strlen(line->elements[last].item) - 1; | ||
1518 | if (isquote(line->elements[last].item[len])) | ||
1519 | line->elements[last].item[len] = '\0'; | ||
1520 | } | ||
1521 | } | ||
1522 | niro | 532 | |
1523 | niro | 3002 | if (line->type == LT_DEFAULT && line->numElements == 2) { |
1524 | cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT; | ||
1525 | defaultLine = line; | ||
1526 | } | ||
1527 | niro | 532 | |
1528 | niro | 3002 | /* If we find a generic config option which should live at the |
1529 | top of the file, move it there. Old versions of grubby were | ||
1530 | probably responsible for putting new images in the wrong | ||
1531 | place in front of it anyway. */ | ||
1532 | if (sawEntry && line->type == LT_GENERIC) { | ||
1533 | struct singleLine **l = &cfg->theLines; | ||
1534 | struct singleLine **last_nonws = &cfg->theLines; | ||
1535 | while (*l) { | ||
1536 | if ((*l)->type != LT_WHITESPACE) | ||
1537 | last_nonws = &((*l)->next); | ||
1538 | l = &((*l)->next); | ||
1539 | } | ||
1540 | line->next = *last_nonws; | ||
1541 | *last_nonws = line; | ||
1542 | movedLine = 1; | ||
1543 | continue; /* without setting 'last' */ | ||
1544 | } | ||
1545 | niro | 2692 | |
1546 | niro | 3002 | /* If a second line of whitespace happens after a generic |
1547 | * option which was moved, drop it. */ | ||
1548 | if (movedLine && line->type == LT_WHITESPACE | ||
1549 | && last->type == LT_WHITESPACE) { | ||
1550 | lineFree(line); | ||
1551 | free(line); | ||
1552 | movedLine = 0; | ||
1553 | continue; | ||
1554 | niro | 532 | } |
1555 | movedLine = 0; | ||
1556 | |||
1557 | niro | 3002 | if (sawEntry) { |
1558 | if (!entry->lines) | ||
1559 | entry->lines = line; | ||
1560 | else | ||
1561 | last->next = line; | ||
1562 | dbgPrintf("readConfig added %s to %p\n", | ||
1563 | getKeyByType(line->type, cfi), entry); | ||
1564 | niro | 1696 | |
1565 | niro | 3002 | /* we could have seen this outside of an entry... if |
1566 | * so, we ignore it like any other line we don't grok | ||
1567 | */ | ||
1568 | if (line->type == LT_ENTRY_END && sawEntry) | ||
1569 | sawEntry = 0; | ||
1570 | } else { | ||
1571 | if (!cfg->theLines) | ||
1572 | cfg->theLines = line; | ||
1573 | else | ||
1574 | last->next = line; | ||
1575 | dbgPrintf("readConfig added %s to cfg\n", | ||
1576 | getKeyByType(line->type, cfi)); | ||
1577 | } | ||
1578 | |||
1579 | last = line; | ||
1580 | niro | 532 | } |
1581 | |||
1582 | niro | 3002 | free(incoming); |
1583 | niro | 532 | |
1584 | niro | 3002 | dbgPrintf("defaultLine is %s\n", defaultLine ? "set" : "unset"); |
1585 | if (defaultLine) { | ||
1586 | if (defaultLine->numElements > 2 && | ||
1587 | cfi->defaultSupportSaved && | ||
1588 | !strncmp(defaultLine->elements[2].item, | ||
1589 | "\"${saved_entry}\"", 16)) { | ||
1590 | cfg->cfi->defaultIsSaved = 1; | ||
1591 | cfg->defaultImage = DEFAULT_SAVED_GRUB2; | ||
1592 | if (cfg->cfi->getEnv) { | ||
1593 | char *defTitle = | ||
1594 | cfi->getEnv(cfg->cfi, "saved_entry"); | ||
1595 | if (defTitle) { | ||
1596 | int index = 0; | ||
1597 | if (isnumber(defTitle)) { | ||
1598 | index = atoi(defTitle); | ||
1599 | entry = | ||
1600 | findEntryByIndex(cfg, | ||
1601 | index); | ||
1602 | } else { | ||
1603 | entry = | ||
1604 | findEntryByTitle(cfg, | ||
1605 | defTitle, | ||
1606 | &index); | ||
1607 | } | ||
1608 | if (entry) | ||
1609 | cfg->defaultImage = index; | ||
1610 | } | ||
1611 | } | ||
1612 | } else if (cfi->defaultIsVariable) { | ||
1613 | niro | 3003 | if (defaultLine->numElements == 2) { |
1614 | char *value = defaultLine->elements[1].item + 8; | ||
1615 | while (*value && (*value == '"' || | ||
1616 | *value == '\'' || | ||
1617 | *value == ' ' || | ||
1618 | *value == '\t')) | ||
1619 | value++; | ||
1620 | cfg->defaultImage = strtol(value, &end, 10); | ||
1621 | while (*end && (*end == '"' || *end == '\'' || | ||
1622 | *end == ' ' || *end == '\t')) | ||
1623 | end++; | ||
1624 | if (*end) | ||
1625 | niro | 3018 | cfg->defaultImage = NO_DEFAULT_ENTRY; |
1626 | niro | 3003 | } else if (defaultLine->numElements == 3) { |
1627 | char *value = defaultLine->elements[2].item; | ||
1628 | while (*value && (*value == '"' || | ||
1629 | *value == '\'' || | ||
1630 | *value == ' ' || | ||
1631 | *value == '\t')) | ||
1632 | value++; | ||
1633 | cfg->defaultImage = strtol(value, &end, 10); | ||
1634 | while (*end && (*end == '"' || *end == '\'' || | ||
1635 | *end == ' ' || *end == '\t')) | ||
1636 | end++; | ||
1637 | if (*end) | ||
1638 | niro | 3018 | cfg->defaultImage = NO_DEFAULT_ENTRY; |
1639 | niro | 3003 | } |
1640 | niro | 3002 | } else if (cfi->defaultSupportSaved && |
1641 | !strncmp(defaultLine->elements[1].item, "saved", | ||
1642 | 5)) { | ||
1643 | cfg->defaultImage = DEFAULT_SAVED; | ||
1644 | } else if (cfi->defaultIsIndex) { | ||
1645 | cfg->defaultImage = | ||
1646 | strtol(defaultLine->elements[1].item, &end, 10); | ||
1647 | if (*end) | ||
1648 | niro | 3018 | cfg->defaultImage = NO_DEFAULT_ENTRY; |
1649 | niro | 3002 | } else if (defaultLine->numElements >= 2) { |
1650 | int i = 0; | ||
1651 | while ((entry = findEntryByIndex(cfg, i))) { | ||
1652 | for (line = entry->lines; line; | ||
1653 | line = line->next) | ||
1654 | if (line->type == LT_TITLE) | ||
1655 | break; | ||
1656 | niro | 532 | |
1657 | niro | 3002 | if (!cfi->titleBracketed) { |
1658 | if (line && (line->numElements >= 2) && | ||
1659 | !strcmp(defaultLine->elements[1]. | ||
1660 | item, | ||
1661 | line->elements[1].item)) | ||
1662 | break; | ||
1663 | } else if (line) { | ||
1664 | if (!strcmp | ||
1665 | (defaultLine->elements[1].item, | ||
1666 | extractTitle(cfg, line))) | ||
1667 | break; | ||
1668 | } | ||
1669 | i++; | ||
1670 | entry = NULL; | ||
1671 | } | ||
1672 | |||
1673 | if (entry) { | ||
1674 | cfg->defaultImage = i; | ||
1675 | } else { | ||
1676 | niro | 3018 | cfg->defaultImage = NO_DEFAULT_ENTRY; |
1677 | niro | 3002 | } |
1678 | } | ||
1679 | } else if (cfg->cfi->defaultIsSaved && cfg->cfi->getEnv) { | ||
1680 | char *defTitle = cfi->getEnv(cfg->cfi, "saved_entry"); | ||
1681 | if (defTitle) { | ||
1682 | niro | 2252 | int index = 0; |
1683 | niro | 2258 | if (isnumber(defTitle)) { |
1684 | niro | 3002 | index = atoi(defTitle); |
1685 | entry = findEntryByIndex(cfg, index); | ||
1686 | niro | 2258 | } else { |
1687 | niro | 3002 | entry = findEntryByTitle(cfg, defTitle, &index); |
1688 | niro | 2258 | } |
1689 | niro | 2252 | if (entry) |
1690 | niro | 3002 | cfg->defaultImage = index; |
1691 | niro | 2252 | } |
1692 | niro | 3002 | } else { |
1693 | niro | 3018 | cfg->defaultImage = FIRST_ENTRY_INDEX; |
1694 | niro | 532 | } |
1695 | |||
1696 | niro | 3002 | return cfg; |
1697 | niro | 532 | } |
1698 | |||
1699 | niro | 3002 | static void writeDefault(FILE * out, char *indent, |
1700 | char *separator, struct grubConfig *cfg) | ||
1701 | { | ||
1702 | struct singleEntry *entry; | ||
1703 | struct singleLine *line; | ||
1704 | int i; | ||
1705 | niro | 532 | |
1706 | niro | 3002 | if (!cfg->defaultImage && cfg->flags == GRUB_CONFIG_NO_DEFAULT) |
1707 | return; | ||
1708 | niro | 532 | |
1709 | niro | 3002 | if (cfg->defaultImage == DEFAULT_SAVED) |
1710 | fprintf(out, "%sdefault%ssaved\n", indent, separator); | ||
1711 | else if (cfg->cfi->defaultIsSaved) { | ||
1712 | fprintf(out, "%sset default=\"${saved_entry}\"\n", indent); | ||
1713 | niro | 3018 | if (cfg->defaultImage >= FIRST_ENTRY_INDEX && cfg->cfi->setEnv) { |
1714 | niro | 3002 | char *title; |
1715 | niro | 3025 | int trueIndex, currentIndex; |
1716 | |||
1717 | trueIndex = 0; | ||
1718 | currentIndex = 0; | ||
1719 | |||
1720 | while ((entry = findEntryByIndex(cfg, currentIndex))) { | ||
1721 | if (!entry->skip) { | ||
1722 | if (trueIndex == cfg->defaultImage) { | ||
1723 | break; | ||
1724 | } | ||
1725 | trueIndex++; | ||
1726 | } | ||
1727 | currentIndex++; | ||
1728 | } | ||
1729 | niro | 3002 | line = getLineByType(LT_MENUENTRY, entry->lines); |
1730 | if (!line) | ||
1731 | line = getLineByType(LT_TITLE, entry->lines); | ||
1732 | if (line) { | ||
1733 | title = extractTitle(cfg, line); | ||
1734 | if (title) | ||
1735 | cfg->cfi->setEnv(cfg->cfi, | ||
1736 | "saved_entry", title); | ||
1737 | } | ||
1738 | } | ||
1739 | niro | 3018 | } else if (cfg->defaultImage >= FIRST_ENTRY_INDEX) { |
1740 | niro | 3002 | if (cfg->cfi->defaultIsIndex) { |
1741 | if (cfg->cfi->defaultIsVariable) { | ||
1742 | fprintf(out, "%sset default=\"%d\"\n", indent, | ||
1743 | cfg->defaultImage); | ||
1744 | } else { | ||
1745 | fprintf(out, "%sdefault%s%d\n", indent, | ||
1746 | separator, cfg->defaultImage); | ||
1747 | } | ||
1748 | } else { | ||
1749 | int image = cfg->defaultImage; | ||
1750 | niro | 532 | |
1751 | niro | 3002 | entry = cfg->entries; |
1752 | while (entry && entry->skip) | ||
1753 | entry = entry->next; | ||
1754 | niro | 532 | |
1755 | niro | 3002 | i = 0; |
1756 | while (entry && i < image) { | ||
1757 | entry = entry->next; | ||
1758 | niro | 532 | |
1759 | niro | 3002 | while (entry && entry->skip) |
1760 | entry = entry->next; | ||
1761 | i++; | ||
1762 | } | ||
1763 | niro | 532 | |
1764 | niro | 3002 | if (!entry) |
1765 | return; | ||
1766 | niro | 532 | |
1767 | niro | 3002 | line = getLineByType(LT_TITLE, entry->lines); |
1768 | niro | 532 | |
1769 | niro | 3002 | if (line && line->numElements >= 2) |
1770 | fprintf(out, "%sdefault%s%s\n", indent, | ||
1771 | separator, line->elements[1].item); | ||
1772 | else if (line && (line->numElements == 1) | ||
1773 | && cfg->cfi->titleBracketed) { | ||
1774 | char *title = extractTitle(cfg, line); | ||
1775 | if (title) { | ||
1776 | fprintf(out, "%sdefault%s%s\n", indent, | ||
1777 | separator, title); | ||
1778 | free(title); | ||
1779 | } | ||
1780 | } | ||
1781 | niro | 2995 | } |
1782 | niro | 532 | } |
1783 | } | ||
1784 | |||
1785 | niro | 3002 | static int writeConfig(struct grubConfig *cfg, char *outName, |
1786 | const char *prefix) | ||
1787 | { | ||
1788 | FILE *out; | ||
1789 | struct singleLine *line; | ||
1790 | struct singleEntry *entry; | ||
1791 | char *tmpOutName; | ||
1792 | int needs = MAIN_DEFAULT; | ||
1793 | struct stat sb; | ||
1794 | int i; | ||
1795 | niro | 532 | |
1796 | niro | 3002 | if (!strcmp(outName, "-")) { |
1797 | out = stdout; | ||
1798 | tmpOutName = NULL; | ||
1799 | } else { | ||
1800 | if (!lstat(outName, &sb) && S_ISLNK(sb.st_mode)) { | ||
1801 | char *buf; | ||
1802 | int len = 256; | ||
1803 | int rc; | ||
1804 | niro | 532 | |
1805 | niro | 3002 | /* most likely the symlink is relative, so change our |
1806 | directory to the dir of the symlink */ | ||
1807 | char *dir = strdupa(outName); | ||
1808 | rc = chdir(dirname(dir)); | ||
1809 | do { | ||
1810 | buf = alloca(len + 1); | ||
1811 | rc = readlink(basename(outName), buf, len); | ||
1812 | if (rc == len) | ||
1813 | len += 256; | ||
1814 | } while (rc == len); | ||
1815 | niro | 532 | |
1816 | niro | 3002 | if (rc < 0) { |
1817 | fprintf(stderr, | ||
1818 | _ | ||
1819 | ("grubby: error readlink link %s: %s\n"), | ||
1820 | outName, strerror(errno)); | ||
1821 | return 1; | ||
1822 | } | ||
1823 | niro | 532 | |
1824 | niro | 3002 | outName = buf; |
1825 | outName[rc] = '\0'; | ||
1826 | } | ||
1827 | |||
1828 | tmpOutName = alloca(strlen(outName) + 2); | ||
1829 | sprintf(tmpOutName, "%s-", outName); | ||
1830 | out = fopen(tmpOutName, "w"); | ||
1831 | if (!out) { | ||
1832 | fprintf(stderr, _("grubby: error creating %s: %s\n"), | ||
1833 | tmpOutName, strerror(errno)); | ||
1834 | return 1; | ||
1835 | } | ||
1836 | |||
1837 | if (!stat(outName, &sb)) { | ||
1838 | if (chmod(tmpOutName, sb.st_mode & ~(S_IFMT))) { | ||
1839 | fprintf(stderr, | ||
1840 | _ | ||
1841 | ("grubby: error setting perms on %s: %s\n"), | ||
1842 | tmpOutName, strerror(errno)); | ||
1843 | fclose(out); | ||
1844 | unlink(tmpOutName); | ||
1845 | return 1; | ||
1846 | } | ||
1847 | } | ||
1848 | niro | 532 | } |
1849 | |||
1850 | niro | 3002 | line = cfg->theLines; |
1851 | struct keywordTypes *defaultKw = getKeywordByType(LT_DEFAULT, cfg->cfi); | ||
1852 | while (line) { | ||
1853 | if (line->type == LT_SET_VARIABLE && defaultKw && | ||
1854 | line->numElements == 3 && | ||
1855 | !strcmp(line->elements[1].item, defaultKw->key) && | ||
1856 | !is_special_grub2_variable(line->elements[2].item)) { | ||
1857 | writeDefault(out, line->indent, | ||
1858 | line->elements[0].indent, cfg); | ||
1859 | needs &= ~MAIN_DEFAULT; | ||
1860 | } else if (line->type == LT_DEFAULT) { | ||
1861 | writeDefault(out, line->indent, | ||
1862 | line->elements[0].indent, cfg); | ||
1863 | needs &= ~MAIN_DEFAULT; | ||
1864 | } else if (line->type == LT_FALLBACK) { | ||
1865 | if (cfg->fallbackImage > -1) | ||
1866 | fprintf(out, "%s%s%s%d\n", line->indent, | ||
1867 | line->elements[0].item, | ||
1868 | line->elements[0].indent, | ||
1869 | cfg->fallbackImage); | ||
1870 | } else { | ||
1871 | if (lineWrite(out, line, cfg->cfi) == -1) { | ||
1872 | fprintf(stderr, | ||
1873 | _("grubby: error writing %s: %s\n"), | ||
1874 | tmpOutName, strerror(errno)); | ||
1875 | fclose(out); | ||
1876 | unlink(tmpOutName); | ||
1877 | return 1; | ||
1878 | } | ||
1879 | } | ||
1880 | niro | 532 | |
1881 | niro | 3002 | line = line->next; |
1882 | niro | 532 | } |
1883 | |||
1884 | niro | 3002 | if (needs & MAIN_DEFAULT) { |
1885 | writeDefault(out, cfg->primaryIndent, "=", cfg); | ||
1886 | needs &= ~MAIN_DEFAULT; | ||
1887 | } | ||
1888 | niro | 532 | |
1889 | niro | 3002 | i = 0; |
1890 | while ((entry = findEntryByIndex(cfg, i++))) { | ||
1891 | if (entry->skip) | ||
1892 | continue; | ||
1893 | niro | 532 | |
1894 | niro | 3002 | line = entry->lines; |
1895 | while (line) { | ||
1896 | if (lineWrite(out, line, cfg->cfi) == -1) { | ||
1897 | fprintf(stderr, | ||
1898 | _("grubby: error writing %s: %s\n"), | ||
1899 | tmpOutName, strerror(errno)); | ||
1900 | fclose(out); | ||
1901 | unlink(tmpOutName); | ||
1902 | return 1; | ||
1903 | } | ||
1904 | line = line->next; | ||
1905 | } | ||
1906 | niro | 532 | } |
1907 | |||
1908 | niro | 3002 | if (tmpOutName) { |
1909 | if (rename(tmpOutName, outName)) { | ||
1910 | fprintf(stderr, | ||
1911 | _("grubby: error moving %s to %s: %s\n"), | ||
1912 | tmpOutName, outName, strerror(errno)); | ||
1913 | unlink(outName); | ||
1914 | return 1; | ||
1915 | } | ||
1916 | niro | 532 | } |
1917 | |||
1918 | niro | 3002 | return 0; |
1919 | niro | 532 | } |
1920 | |||
1921 | niro | 3002 | static int numEntries(struct grubConfig *cfg) |
1922 | { | ||
1923 | int i = 0; | ||
1924 | struct singleEntry *entry; | ||
1925 | niro | 532 | |
1926 | niro | 3002 | entry = cfg->entries; |
1927 | while (entry) { | ||
1928 | if (!entry->skip) | ||
1929 | i++; | ||
1930 | entry = entry->next; | ||
1931 | } | ||
1932 | return i; | ||
1933 | niro | 532 | } |
1934 | |||
1935 | niro | 1156 | static char *findDiskForRoot() |
1936 | { | ||
1937 | niro | 3002 | int fd; |
1938 | char buf[65536]; | ||
1939 | char *devname; | ||
1940 | char *chptr; | ||
1941 | int rc; | ||
1942 | niro | 1156 | |
1943 | niro | 3002 | if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) { |
1944 | fprintf(stderr, "grubby: failed to open %s: %s\n", | ||
1945 | _PATH_MOUNTED, strerror(errno)); | ||
1946 | return NULL; | ||
1947 | } | ||
1948 | niro | 1156 | |
1949 | niro | 3002 | rc = read(fd, buf, sizeof(buf) - 1); |
1950 | if (rc <= 0) { | ||
1951 | fprintf(stderr, "grubby: failed to read %s: %s\n", | ||
1952 | _PATH_MOUNTED, strerror(errno)); | ||
1953 | close(fd); | ||
1954 | return NULL; | ||
1955 | } | ||
1956 | close(fd); | ||
1957 | buf[rc] = '\0'; | ||
1958 | chptr = buf; | ||
1959 | niro | 1156 | |
1960 | niro | 3002 | char *foundanswer = NULL; |
1961 | niro | 1841 | |
1962 | niro | 3002 | while (chptr && chptr != buf + rc) { |
1963 | devname = chptr; | ||
1964 | niro | 1156 | |
1965 | niro | 3002 | /* |
1966 | * The first column of a mtab entry is the device, but if the | ||
1967 | * entry is a special device it won't start with /, so move | ||
1968 | * on to the next line. | ||
1969 | */ | ||
1970 | if (*devname != '/') { | ||
1971 | chptr = strchr(chptr, '\n'); | ||
1972 | if (chptr) | ||
1973 | chptr++; | ||
1974 | continue; | ||
1975 | } | ||
1976 | niro | 1156 | |
1977 | niro | 3002 | /* Seek to the next space */ |
1978 | chptr = strchr(chptr, ' '); | ||
1979 | if (!chptr) { | ||
1980 | fprintf(stderr, "grubby: error parsing %s: %s\n", | ||
1981 | _PATH_MOUNTED, strerror(errno)); | ||
1982 | return NULL; | ||
1983 | } | ||
1984 | niro | 1156 | |
1985 | niro | 3002 | /* |
1986 | * The second column of a mtab entry is the mount point, we | ||
1987 | * are looking for '/' obviously. | ||
1988 | */ | ||
1989 | if (*(++chptr) == '/' && *(++chptr) == ' ') { | ||
1990 | /* remember the last / entry in mtab */ | ||
1991 | foundanswer = devname; | ||
1992 | } | ||
1993 | niro | 1156 | |
1994 | niro | 3002 | /* Next line */ |
1995 | chptr = strchr(chptr, '\n'); | ||
1996 | if (chptr) | ||
1997 | chptr++; | ||
1998 | } | ||
1999 | niro | 1156 | |
2000 | niro | 3002 | /* Return the last / entry found */ |
2001 | if (foundanswer) { | ||
2002 | chptr = strchr(foundanswer, ' '); | ||
2003 | *chptr = '\0'; | ||
2004 | return strdup(foundanswer); | ||
2005 | } | ||
2006 | niro | 1841 | |
2007 | niro | 3002 | return NULL; |
2008 | niro | 1156 | } |
2009 | |||
2010 | niro | 3002 | void printEntry(struct singleEntry *entry, FILE * f) |
2011 | { | ||
2012 | int i; | ||
2013 | struct singleLine *line; | ||
2014 | niro | 1736 | |
2015 | niro | 3002 | for (line = entry->lines; line; line = line->next) { |
2016 | log_message(f, "DBG: %s", line->indent); | ||
2017 | for (i = 0; i < line->numElements; i++) { | ||
2018 | /* Need to handle this, because we strip the quotes from | ||
2019 | * menuentry when read it. */ | ||
2020 | if (line->type == LT_MENUENTRY && i == 1) { | ||
2021 | if (!isquote(*line->elements[i].item)) | ||
2022 | log_message(f, "\'%s\'", | ||
2023 | line->elements[i].item); | ||
2024 | else | ||
2025 | log_message(f, "%s", | ||
2026 | line->elements[i].item); | ||
2027 | log_message(f, "%s", line->elements[i].indent); | ||
2028 | |||
2029 | continue; | ||
2030 | } | ||
2031 | |||
2032 | log_message(f, "%s%s", | ||
2033 | line->elements[i].item, | ||
2034 | line->elements[i].indent); | ||
2035 | } | ||
2036 | log_message(f, "\n"); | ||
2037 | niro | 1736 | } |
2038 | } | ||
2039 | |||
2040 | niro | 3002 | void notSuitablePrintf(struct singleEntry *entry, int okay, const char *fmt, |
2041 | ...) | ||
2042 | niro | 1736 | { |
2043 | niro | 3002 | static int once; |
2044 | va_list argp, argq; | ||
2045 | niro | 1736 | |
2046 | niro | 3002 | va_start(argp, fmt); |
2047 | niro | 2236 | |
2048 | niro | 3002 | va_copy(argq, argp); |
2049 | if (!once) { | ||
2050 | log_time(NULL); | ||
2051 | log_message(NULL, "command line: %s\n", saved_command_line); | ||
2052 | } | ||
2053 | log_message(NULL, "DBG: Image entry %s: ", | ||
2054 | okay ? "succeeded" : "failed"); | ||
2055 | log_vmessage(NULL, fmt, argq); | ||
2056 | niro | 2236 | |
2057 | niro | 3002 | printEntry(entry, NULL); |
2058 | va_end(argq); | ||
2059 | |||
2060 | if (!debug) { | ||
2061 | once = 1; | ||
2062 | va_end(argp); | ||
2063 | return; | ||
2064 | } | ||
2065 | |||
2066 | if (okay) { | ||
2067 | va_end(argp); | ||
2068 | return; | ||
2069 | } | ||
2070 | |||
2071 | if (!once) | ||
2072 | log_message(stderr, "DBG: command line: %s\n", | ||
2073 | saved_command_line); | ||
2074 | niro | 2236 | once = 1; |
2075 | niro | 3002 | fprintf(stderr, "DBG: Image entry failed: "); |
2076 | vfprintf(stderr, fmt, argp); | ||
2077 | printEntry(entry, stderr); | ||
2078 | niro | 2236 | va_end(argp); |
2079 | niro | 1736 | } |
2080 | |||
2081 | niro | 1745 | #define beginswith(s, c) ((s) && (s)[0] == (c)) |
2082 | |||
2083 | static int endswith(const char *s, char c) | ||
2084 | { | ||
2085 | int slen; | ||
2086 | |||
2087 | niro | 1750 | if (!s || !s[0]) |
2088 | niro | 1745 | return 0; |
2089 | slen = strlen(s) - 1; | ||
2090 | |||
2091 | return s[slen] == c; | ||
2092 | } | ||
2093 | |||
2094 | niro | 3002 | int suitableImage(struct singleEntry *entry, const char *bootPrefix, |
2095 | int skipRemoved, int flags) | ||
2096 | { | ||
2097 | struct singleLine *line; | ||
2098 | char *fullName; | ||
2099 | int i; | ||
2100 | char *dev; | ||
2101 | char *rootspec; | ||
2102 | char *rootdev; | ||
2103 | niro | 532 | |
2104 | niro | 3002 | if (skipRemoved && entry->skip) { |
2105 | notSuitablePrintf(entry, 0, "marked to skip\n"); | ||
2106 | return 0; | ||
2107 | } | ||
2108 | niro | 532 | |
2109 | niro | 3002 | line = |
2110 | getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI | LT_KERNEL_16, | ||
2111 | entry->lines); | ||
2112 | if (!line) { | ||
2113 | notSuitablePrintf(entry, 0, "no line found\n"); | ||
2114 | return 0; | ||
2115 | } | ||
2116 | if (line->numElements < 2) { | ||
2117 | notSuitablePrintf(entry, 0, "line has only %d elements\n", | ||
2118 | line->numElements); | ||
2119 | return 0; | ||
2120 | } | ||
2121 | niro | 914 | |
2122 | niro | 3002 | if (flags & GRUBBY_BADIMAGE_OKAY) { |
2123 | notSuitablePrintf(entry, 1, "\n"); | ||
2124 | return 1; | ||
2125 | } | ||
2126 | niro | 532 | |
2127 | niro | 3002 | fullName = alloca(strlen(bootPrefix) + |
2128 | strlen(line->elements[1].item) + 1); | ||
2129 | rootspec = getRootSpecifier(line->elements[1].item); | ||
2130 | int rootspec_offset = rootspec ? strlen(rootspec) : 0; | ||
2131 | int hasslash = endswith(bootPrefix, '/') || | ||
2132 | beginswith(line->elements[1].item + rootspec_offset, '/'); | ||
2133 | sprintf(fullName, "%s%s%s", bootPrefix, hasslash ? "" : "/", | ||
2134 | line->elements[1].item + rootspec_offset); | ||
2135 | if (access(fullName, R_OK)) { | ||
2136 | notSuitablePrintf(entry, 0, "access to %s failed\n", fullName); | ||
2137 | return 0; | ||
2138 | } | ||
2139 | for (i = 2; i < line->numElements; i++) | ||
2140 | if (!strncasecmp(line->elements[i].item, "root=", 5)) | ||
2141 | break; | ||
2142 | if (i < line->numElements) { | ||
2143 | dev = line->elements[i].item + 5; | ||
2144 | niro | 532 | } else { |
2145 | niro | 3002 | /* look for a lilo style LT_ROOT line */ |
2146 | line = getLineByType(LT_ROOT, entry->lines); | ||
2147 | niro | 532 | |
2148 | niro | 3002 | if (line && line->numElements >= 2) { |
2149 | dev = line->elements[1].item; | ||
2150 | } else { | ||
2151 | /* didn't succeed in finding a LT_ROOT, let's try | ||
2152 | * LT_KERNELARGS. grub+multiboot uses LT_MBMODULE | ||
2153 | * for the args, so check that too. | ||
2154 | */ | ||
2155 | line = | ||
2156 | getLineByType(LT_KERNELARGS | LT_MBMODULE, | ||
2157 | entry->lines); | ||
2158 | niro | 532 | |
2159 | niro | 3002 | /* failed to find one */ |
2160 | if (!line) { | ||
2161 | notSuitablePrintf(entry, 0, "no line found\n"); | ||
2162 | return 0; | ||
2163 | } | ||
2164 | |||
2165 | for (i = 1; i < line->numElements; i++) | ||
2166 | if (!strncasecmp | ||
2167 | (line->elements[i].item, "root=", 5)) | ||
2168 | break; | ||
2169 | if (i < line->numElements) | ||
2170 | dev = line->elements[i].item + 5; | ||
2171 | else { | ||
2172 | notSuitablePrintf(entry, 0, | ||
2173 | "no root= entry found\n"); | ||
2174 | /* it failed too... can't find root= */ | ||
2175 | return 0; | ||
2176 | } | ||
2177 | } | ||
2178 | niro | 532 | } |
2179 | |||
2180 | niro | 1736 | dev = getpathbyspec(dev); |
2181 | niro | 3002 | if (!getpathbyspec(dev)) { |
2182 | notSuitablePrintf(entry, 0, "can't find blkid entry for %s\n", | ||
2183 | dev); | ||
2184 | return 0; | ||
2185 | } else | ||
2186 | dev = getpathbyspec(dev); | ||
2187 | niro | 532 | |
2188 | niro | 3002 | rootdev = findDiskForRoot(); |
2189 | if (!rootdev) { | ||
2190 | notSuitablePrintf(entry, 0, "can't find root device\n"); | ||
2191 | return 0; | ||
2192 | } | ||
2193 | niro | 914 | |
2194 | niro | 3002 | if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) { |
2195 | notSuitablePrintf(entry, 0, | ||
2196 | "uuid missing: rootdev %s, dev %s\n", | ||
2197 | getuuidbydev(rootdev), getuuidbydev(dev)); | ||
2198 | free(rootdev); | ||
2199 | return 0; | ||
2200 | } | ||
2201 | niro | 532 | |
2202 | niro | 3002 | if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) { |
2203 | notSuitablePrintf(entry, 0, | ||
2204 | "uuid mismatch: rootdev %s, dev %s\n", | ||
2205 | getuuidbydev(rootdev), getuuidbydev(dev)); | ||
2206 | free(rootdev); | ||
2207 | return 0; | ||
2208 | } | ||
2209 | |||
2210 | niro | 1156 | free(rootdev); |
2211 | niro | 3002 | notSuitablePrintf(entry, 1, "\n"); |
2212 | niro | 532 | |
2213 | niro | 3002 | return 1; |
2214 | niro | 532 | } |
2215 | |||
2216 | /* returns the first match on or after the one pointed to by index (if index | ||
2217 | is not NULL) which is not marked as skip */ | ||
2218 | niro | 3002 | struct singleEntry *findEntryByPath(struct grubConfig *config, |
2219 | const char *kernel, const char *prefix, | ||
2220 | int *index) | ||
2221 | { | ||
2222 | struct singleEntry *entry = NULL; | ||
2223 | struct singleLine *line; | ||
2224 | int i; | ||
2225 | char *chptr; | ||
2226 | char *rootspec = NULL; | ||
2227 | enum lineType_e checkType = LT_KERNEL; | ||
2228 | niro | 532 | |
2229 | niro | 3002 | if (isdigit(*kernel)) { |
2230 | int *indexVars = alloca(sizeof(*indexVars) * strlen(kernel)); | ||
2231 | niro | 532 | |
2232 | niro | 3002 | i = 0; |
2233 | indexVars[i] = strtol(kernel, &chptr, 10); | ||
2234 | while (*chptr == ',') { | ||
2235 | i++; | ||
2236 | kernel = chptr + 1; | ||
2237 | indexVars[i] = strtol(kernel, &chptr, 10); | ||
2238 | } | ||
2239 | niro | 532 | |
2240 | niro | 3002 | if (*chptr) { |
2241 | /* can't parse it, bail */ | ||
2242 | return NULL; | ||
2243 | } | ||
2244 | niro | 532 | |
2245 | niro | 3002 | indexVars[i + 1] = -1; |
2246 | niro | 2718 | |
2247 | niro | 3002 | i = 0; |
2248 | if (index) { | ||
2249 | while (i < *index) { | ||
2250 | i++; | ||
2251 | if (indexVars[i] == -1) | ||
2252 | return NULL; | ||
2253 | } | ||
2254 | } | ||
2255 | |||
2256 | entry = findEntryByIndex(config, indexVars[i]); | ||
2257 | if (!entry) | ||
2258 | return NULL; | ||
2259 | |||
2260 | line = | ||
2261 | getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI | | ||
2262 | LT_KERNEL_16, entry->lines); | ||
2263 | if (!line) | ||
2264 | return NULL; | ||
2265 | |||
2266 | if (index) | ||
2267 | *index = indexVars[i]; | ||
2268 | return entry; | ||
2269 | niro | 532 | } |
2270 | |||
2271 | niro | 3002 | if (!strcmp(kernel, "DEFAULT")) { |
2272 | if (index && *index > config->defaultImage) { | ||
2273 | entry = NULL; | ||
2274 | } else { | ||
2275 | entry = findEntryByIndex(config, config->defaultImage); | ||
2276 | if (entry && entry->skip) | ||
2277 | entry = NULL; | ||
2278 | else if (index) | ||
2279 | *index = config->defaultImage; | ||
2280 | } | ||
2281 | } else if (!strcmp(kernel, "ALL")) { | ||
2282 | if (index) | ||
2283 | i = *index; | ||
2284 | else | ||
2285 | i = 0; | ||
2286 | niro | 532 | |
2287 | niro | 3002 | while ((entry = findEntryByIndex(config, i))) { |
2288 | if (!entry->skip) | ||
2289 | break; | ||
2290 | i++; | ||
2291 | } | ||
2292 | niro | 532 | |
2293 | niro | 3002 | if (entry && index) |
2294 | *index = i; | ||
2295 | niro | 532 | } else { |
2296 | niro | 3002 | if (index) |
2297 | i = *index; | ||
2298 | else | ||
2299 | i = 0; | ||
2300 | niro | 532 | |
2301 | niro | 3002 | if (!strncmp(kernel, "TITLE=", 6)) { |
2302 | prefix = ""; | ||
2303 | checkType = LT_TITLE | LT_MENUENTRY; | ||
2304 | kernel += 6; | ||
2305 | } | ||
2306 | niro | 532 | |
2307 | niro | 3002 | for (entry = findEntryByIndex(config, i); entry; |
2308 | entry = entry->next, i++) { | ||
2309 | if (entry->skip) | ||
2310 | continue; | ||
2311 | niro | 532 | |
2312 | niro | 3002 | dbgPrintf("findEntryByPath looking for %d %s in %p\n", |
2313 | checkType, kernel, entry); | ||
2314 | niro | 532 | |
2315 | niro | 3002 | /* check all the lines matching checkType */ |
2316 | for (line = entry->lines; line; line = line->next) { | ||
2317 | enum lineType_e ct = checkType; | ||
2318 | if (entry->multiboot && checkType == LT_KERNEL) | ||
2319 | ct = LT_KERNEL | LT_KERNEL_EFI | | ||
2320 | LT_MBMODULE | LT_HYPER | | ||
2321 | LT_KERNEL_16; | ||
2322 | else if (checkType & LT_KERNEL) | ||
2323 | ct = checkType | LT_KERNEL_EFI | | ||
2324 | LT_KERNEL_16; | ||
2325 | line = getLineByType(ct, line); | ||
2326 | if (!line) | ||
2327 | break; /* not found in this entry */ | ||
2328 | niro | 532 | |
2329 | niro | 3002 | if (line && line->type != LT_MENUENTRY && |
2330 | line->numElements >= 2) { | ||
2331 | rootspec = | ||
2332 | getRootSpecifier(line->elements[1]. | ||
2333 | item); | ||
2334 | if (!strcmp | ||
2335 | (line->elements[1].item + | ||
2336 | ((rootspec != | ||
2337 | NULL) ? strlen(rootspec) : 0), | ||
2338 | kernel + strlen(prefix))) | ||
2339 | break; | ||
2340 | } | ||
2341 | if (line->type == LT_MENUENTRY && | ||
2342 | !strcmp(line->elements[1].item, kernel)) | ||
2343 | break; | ||
2344 | } | ||
2345 | niro | 532 | |
2346 | niro | 3002 | /* make sure this entry has a kernel identifier; this skips |
2347 | * non-Linux boot entries (could find netbsd etc, though, which is | ||
2348 | * unfortunate) | ||
2349 | */ | ||
2350 | if (line | ||
2351 | && getLineByType(LT_KERNEL | LT_HYPER | | ||
2352 | LT_KERNEL_EFI | LT_KERNEL_16, | ||
2353 | entry->lines)) | ||
2354 | break; /* found 'im! */ | ||
2355 | niro | 914 | } |
2356 | |||
2357 | niro | 3002 | if (index) |
2358 | *index = i; | ||
2359 | niro | 532 | } |
2360 | |||
2361 | niro | 3002 | return entry; |
2362 | niro | 532 | } |
2363 | |||
2364 | niro | 3002 | struct singleEntry *findEntryByTitle(struct grubConfig *cfg, char *title, |
2365 | int *index) | ||
2366 | { | ||
2367 | struct singleEntry *entry; | ||
2368 | struct singleLine *line; | ||
2369 | int i; | ||
2370 | char *newtitle; | ||
2371 | niro | 2252 | |
2372 | niro | 3002 | for (i = 0, entry = cfg->entries; entry; entry = entry->next, i++) { |
2373 | if (index && i < *index) | ||
2374 | continue; | ||
2375 | line = getLineByType(LT_TITLE, entry->lines); | ||
2376 | if (!line) | ||
2377 | line = getLineByType(LT_MENUENTRY, entry->lines); | ||
2378 | if (!line) | ||
2379 | continue; | ||
2380 | newtitle = grub2ExtractTitle(line); | ||
2381 | if (!newtitle) | ||
2382 | continue; | ||
2383 | if (!strcmp(title, newtitle)) | ||
2384 | break; | ||
2385 | } | ||
2386 | niro | 2252 | |
2387 | niro | 3002 | if (!entry) |
2388 | return NULL; | ||
2389 | niro | 2252 | |
2390 | niro | 3002 | if (index) |
2391 | *index = i; | ||
2392 | return entry; | ||
2393 | niro | 2252 | } |
2394 | |||
2395 | niro | 3002 | struct singleEntry *findEntryByIndex(struct grubConfig *cfg, int index) |
2396 | { | ||
2397 | struct singleEntry *entry; | ||
2398 | niro | 532 | |
2399 | niro | 3002 | entry = cfg->entries; |
2400 | while (index && entry) { | ||
2401 | entry = entry->next; | ||
2402 | index--; | ||
2403 | } | ||
2404 | niro | 532 | |
2405 | niro | 3002 | return entry; |
2406 | niro | 532 | } |
2407 | |||
2408 | /* Find a good template to use for the new kernel. An entry is | ||
2409 | * good if the kernel and mkinitrd exist (even if the entry | ||
2410 | * is going to be removed). Try and use the default entry, but | ||
2411 | * if that doesn't work just take the first. If we can't find one, | ||
2412 | * bail. */ | ||
2413 | niro | 3002 | struct singleEntry *findTemplate(struct grubConfig *cfg, const char *prefix, |
2414 | int *indexPtr, int skipRemoved, int flags) | ||
2415 | { | ||
2416 | struct singleEntry *entry, *entry2; | ||
2417 | int index; | ||
2418 | niro | 532 | |
2419 | niro | 3002 | if (cfg->cfi->defaultIsSaved) { |
2420 | if (cfg->cfi->getEnv) { | ||
2421 | char *defTitle = | ||
2422 | cfg->cfi->getEnv(cfg->cfi, "saved_entry"); | ||
2423 | if (defTitle) { | ||
2424 | int index = 0; | ||
2425 | if (isnumber(defTitle)) { | ||
2426 | index = atoi(defTitle); | ||
2427 | entry = findEntryByIndex(cfg, index); | ||
2428 | } else { | ||
2429 | entry = | ||
2430 | findEntryByTitle(cfg, defTitle, | ||
2431 | &index); | ||
2432 | } | ||
2433 | if (entry | ||
2434 | && suitableImage(entry, prefix, skipRemoved, | ||
2435 | flags)) { | ||
2436 | cfg->defaultImage = index; | ||
2437 | if (indexPtr) | ||
2438 | *indexPtr = index; | ||
2439 | return entry; | ||
2440 | } | ||
2441 | } | ||
2442 | niro | 2258 | } |
2443 | niro | 3018 | } else if (cfg->defaultImage >= FIRST_ENTRY_INDEX) { |
2444 | niro | 3002 | entry = findEntryByIndex(cfg, cfg->defaultImage); |
2445 | niro | 2959 | if (entry && suitableImage(entry, prefix, skipRemoved, flags)) { |
2446 | niro | 3002 | if (indexPtr) |
2447 | *indexPtr = cfg->defaultImage; | ||
2448 | return entry; | ||
2449 | niro | 2959 | } |
2450 | niro | 2252 | } |
2451 | niro | 532 | |
2452 | niro | 3002 | index = 0; |
2453 | while ((entry = findEntryByIndex(cfg, index))) { | ||
2454 | if (suitableImage(entry, prefix, skipRemoved, flags)) { | ||
2455 | niro | 3024 | int j, unmodifiedIndex; |
2456 | |||
2457 | unmodifiedIndex = index; | ||
2458 | |||
2459 | for (j = 0; j < unmodifiedIndex; j++) { | ||
2460 | niro | 3002 | entry2 = findEntryByIndex(cfg, j); |
2461 | if (entry2->skip) | ||
2462 | index--; | ||
2463 | } | ||
2464 | if (indexPtr) | ||
2465 | *indexPtr = index; | ||
2466 | niro | 532 | |
2467 | niro | 3002 | return entry; |
2468 | } | ||
2469 | |||
2470 | index++; | ||
2471 | niro | 532 | } |
2472 | |||
2473 | niro | 3002 | fprintf(stderr, |
2474 | _("grubby fatal error: unable to find a suitable template\n")); | ||
2475 | niro | 532 | |
2476 | niro | 3002 | return NULL; |
2477 | niro | 532 | } |
2478 | |||
2479 | niro | 3002 | char *findBootPrefix(void) |
2480 | { | ||
2481 | struct stat sb, sb2; | ||
2482 | niro | 532 | |
2483 | niro | 3002 | stat("/", &sb); |
2484 | niro | 532 | #ifdef __ia64__ |
2485 | niro | 3002 | stat("/boot/efi/EFI/redhat/", &sb2); |
2486 | niro | 532 | #else |
2487 | niro | 3002 | stat("/boot", &sb2); |
2488 | niro | 532 | #endif |
2489 | |||
2490 | niro | 3002 | if (sb.st_dev == sb2.st_dev) |
2491 | return strdup(""); | ||
2492 | niro | 532 | |
2493 | #ifdef __ia64__ | ||
2494 | niro | 3002 | return strdup("/boot/efi/EFI/redhat/"); |
2495 | niro | 532 | #else |
2496 | niro | 3002 | return strdup("/boot"); |
2497 | niro | 532 | #endif |
2498 | } | ||
2499 | |||
2500 | niro | 3002 | void markRemovedImage(struct grubConfig *cfg, const char *image, |
2501 | const char *prefix) | ||
2502 | { | ||
2503 | struct singleEntry *entry; | ||
2504 | niro | 532 | |
2505 | niro | 3002 | if (!image) |
2506 | return; | ||
2507 | niro | 532 | |
2508 | niro | 3002 | /* check and see if we're removing the default image */ |
2509 | if (isdigit(*image)) { | ||
2510 | entry = findEntryByPath(cfg, image, prefix, NULL); | ||
2511 | if (entry) | ||
2512 | entry->skip = 1; | ||
2513 | return; | ||
2514 | } | ||
2515 | niro | 1801 | |
2516 | niro | 3002 | while ((entry = findEntryByPath(cfg, image, prefix, NULL))) |
2517 | entry->skip = 1; | ||
2518 | niro | 532 | } |
2519 | |||
2520 | niro | 3021 | void setDefaultImage(struct grubConfig *config, int isAddingBootEntry, |
2521 | niro | 3017 | const char *defaultKernelPath, int newBootEntryIsDefault, |
2522 | niro | 3021 | const char *prefix, int flags, |
2523 | int newDefaultBootEntryIndex, int newBootEntryIndex) | ||
2524 | niro | 3002 | { |
2525 | niro | 3021 | struct singleEntry *bootEntry, *newDefault; |
2526 | int indexToVerify, firstKernelEntryIndex, currentLookupIndex; | ||
2527 | niro | 532 | |
2528 | niro | 3021 | /* handle the two cases where the user explictly picks the default |
2529 | * boot entry index as it would exist post-modification */ | ||
2530 | |||
2531 | /* Case 1: user chose to make the latest boot entry the default */ | ||
2532 | niro | 3017 | if (newBootEntryIsDefault) { |
2533 | niro | 3021 | config->defaultImage = newBootEntryIndex; |
2534 | niro | 3002 | return; |
2535 | niro | 3021 | } |
2536 | |||
2537 | /* Case 2: user picked an arbitrary index as the default boot entry */ | ||
2538 | if (newDefaultBootEntryIndex >= FIRST_ENTRY_INDEX | ||
2539 | && config->cfi->defaultIsIndex) { | ||
2540 | indexToVerify = newDefaultBootEntryIndex; | ||
2541 | |||
2542 | /* user chose to make latest boot entry the default */ | ||
2543 | if (newDefaultBootEntryIndex == newBootEntryIndex) { | ||
2544 | config->defaultImage = newBootEntryIndex; | ||
2545 | return; | ||
2546 | } | ||
2547 | |||
2548 | /* the user picks the default index based on the | ||
2549 | * order of the bootloader configuration after | ||
2550 | * modification; ensure we are checking for the | ||
2551 | * existence of the correct entry */ | ||
2552 | if (newBootEntryIndex < newDefaultBootEntryIndex) { | ||
2553 | if (!config->isModified) | ||
2554 | indexToVerify--; | ||
2555 | } | ||
2556 | |||
2557 | /* verify the user selected index will exist */ | ||
2558 | if (findEntryByIndex(config, indexToVerify)) { | ||
2559 | niro | 3017 | config->defaultImage = newDefaultBootEntryIndex; |
2560 | niro | 3021 | } else { |
2561 | niro | 3018 | config->defaultImage = NO_DEFAULT_ENTRY; |
2562 | niro | 3021 | } |
2563 | |||
2564 | niro | 3002 | return; |
2565 | niro | 3021 | } |
2566 | |||
2567 | /* handle cases where the index value may shift */ | ||
2568 | |||
2569 | /* check validity of existing default or first-entry-found | ||
2570 | selection */ | ||
2571 | if (defaultKernelPath) { | ||
2572 | niro | 3026 | /* we must initialize this */ |
2573 | firstKernelEntryIndex = 0; | ||
2574 | niro | 3021 | /* user requested first-entry-found */ |
2575 | if (!findEntryByPath(config, defaultKernelPath, | ||
2576 | prefix, &firstKernelEntryIndex)) { | ||
2577 | /* don't change default if can't find match */ | ||
2578 | niro | 3018 | config->defaultImage = NO_DEFAULT_ENTRY; |
2579 | niro | 3002 | return; |
2580 | } | ||
2581 | |||
2582 | niro | 3021 | config->defaultImage = firstKernelEntryIndex; |
2583 | niro | 3002 | |
2584 | niro | 3021 | /* this is where we start looking for decrement later */ |
2585 | currentLookupIndex = config->defaultImage; | ||
2586 | niro | 3002 | |
2587 | niro | 3021 | if (isAddingBootEntry && !config->isModified && |
2588 | (newBootEntryIndex < config->defaultImage)) { | ||
2589 | /* increment because new entry added before default */ | ||
2590 | niro | 3002 | config->defaultImage++; |
2591 | niro | 3021 | } |
2592 | } else { | ||
2593 | /* use pre-existing default entry */ | ||
2594 | currentLookupIndex = config->defaultImage; | ||
2595 | niro | 3002 | |
2596 | niro | 3021 | if (isAddingBootEntry |
2597 | && (newBootEntryIndex <= config->defaultImage)) { | ||
2598 | config->defaultImage++; | ||
2599 | |||
2600 | if (config->isModified) { | ||
2601 | currentLookupIndex++; | ||
2602 | } | ||
2603 | niro | 3002 | } |
2604 | niro | 3021 | } |
2605 | |||
2606 | /* sanity check - is this entry index valid? */ | ||
2607 | bootEntry = findEntryByIndex(config, currentLookupIndex); | ||
2608 | |||
2609 | if ((bootEntry && bootEntry->skip) || !bootEntry) { | ||
2610 | /* entry is to be skipped or is invalid */ | ||
2611 | if (isAddingBootEntry) { | ||
2612 | config->defaultImage = newBootEntryIndex; | ||
2613 | return; | ||
2614 | } | ||
2615 | niro | 3002 | newDefault = |
2616 | findTemplate(config, prefix, &config->defaultImage, 1, | ||
2617 | flags); | ||
2618 | niro | 3021 | if (!newDefault) { |
2619 | niro | 3018 | config->defaultImage = NO_DEFAULT_ENTRY; |
2620 | niro | 3021 | } |
2621 | |||
2622 | return; | ||
2623 | niro | 532 | } |
2624 | niro | 3021 | |
2625 | currentLookupIndex--; | ||
2626 | |||
2627 | /* decrement index by the total number of entries deleted */ | ||
2628 | |||
2629 | for (indexToVerify = currentLookupIndex; | ||
2630 | indexToVerify >= FIRST_ENTRY_INDEX; indexToVerify--) { | ||
2631 | |||
2632 | bootEntry = findEntryByIndex(config, indexToVerify); | ||
2633 | |||
2634 | if (bootEntry && bootEntry->skip) { | ||
2635 | config->defaultImage--; | ||
2636 | } | ||
2637 | } | ||
2638 | niro | 3002 | } |
2639 | niro | 532 | |
2640 | niro | 3002 | void setFallbackImage(struct grubConfig *config, int hasNew) |
2641 | { | ||
2642 | struct singleEntry *entry, *entry2; | ||
2643 | int j; | ||
2644 | niro | 532 | |
2645 | niro | 3002 | if (config->fallbackImage == -1) |
2646 | return; | ||
2647 | niro | 532 | |
2648 | niro | 3002 | entry = findEntryByIndex(config, config->fallbackImage); |
2649 | if (!entry || entry->skip) { | ||
2650 | config->fallbackImage = -1; | ||
2651 | return; | ||
2652 | } | ||
2653 | |||
2654 | niro | 532 | if (hasNew) |
2655 | niro | 3002 | config->fallbackImage++; |
2656 | |||
2657 | niro | 532 | /* count the number of entries erased before this one */ |
2658 | niro | 3002 | for (j = 0; j < config->fallbackImage; j++) { |
2659 | entry2 = findEntryByIndex(config, j); | ||
2660 | if (entry2->skip) | ||
2661 | config->fallbackImage--; | ||
2662 | niro | 532 | } |
2663 | } | ||
2664 | |||
2665 | niro | 3002 | void displayEntry(struct singleEntry *entry, const char *prefix, int index) |
2666 | { | ||
2667 | struct singleLine *line; | ||
2668 | char *root = NULL; | ||
2669 | int i; | ||
2670 | int j; | ||
2671 | niro | 532 | |
2672 | niro | 3002 | printf("index=%d\n", index); |
2673 | niro | 532 | |
2674 | niro | 3002 | line = |
2675 | getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI | LT_KERNEL_16, | ||
2676 | entry->lines); | ||
2677 | if (!line) { | ||
2678 | printf("non linux entry\n"); | ||
2679 | return; | ||
2680 | } | ||
2681 | niro | 532 | |
2682 | niro | 3002 | if (!strncmp(prefix, line->elements[1].item, strlen(prefix))) |
2683 | printf("kernel=%s\n", line->elements[1].item); | ||
2684 | else | ||
2685 | printf("kernel=%s%s\n", prefix, line->elements[1].item); | ||
2686 | niro | 532 | |
2687 | niro | 3002 | if (line->numElements >= 3) { |
2688 | printf("args=\""); | ||
2689 | i = 2; | ||
2690 | while (i < line->numElements) { | ||
2691 | if (!strncmp(line->elements[i].item, "root=", 5)) { | ||
2692 | root = line->elements[i].item + 5; | ||
2693 | } else { | ||
2694 | printf("%s%s", line->elements[i].item, | ||
2695 | line->elements[i].indent); | ||
2696 | } | ||
2697 | niro | 532 | |
2698 | niro | 3002 | i++; |
2699 | } | ||
2700 | printf("\"\n"); | ||
2701 | } else { | ||
2702 | line = getLineByType(LT_KERNELARGS, entry->lines); | ||
2703 | if (line) { | ||
2704 | char *s; | ||
2705 | niro | 532 | |
2706 | niro | 3002 | printf("args=\""); |
2707 | i = 1; | ||
2708 | while (i < line->numElements) { | ||
2709 | if (!strncmp | ||
2710 | (line->elements[i].item, "root=", 5)) { | ||
2711 | root = line->elements[i].item + 5; | ||
2712 | } else { | ||
2713 | s = line->elements[i].item; | ||
2714 | niro | 914 | |
2715 | niro | 3002 | printf("%s%s", s, |
2716 | line->elements[i].indent); | ||
2717 | } | ||
2718 | niro | 532 | |
2719 | niro | 3002 | i++; |
2720 | } | ||
2721 | niro | 532 | |
2722 | niro | 3002 | s = line->elements[i - 1].indent; |
2723 | printf("\"\n"); | ||
2724 | } | ||
2725 | niro | 532 | } |
2726 | |||
2727 | niro | 3002 | if (!root) { |
2728 | line = getLineByType(LT_ROOT, entry->lines); | ||
2729 | if (line && line->numElements >= 2) | ||
2730 | root = line->elements[1].item; | ||
2731 | } | ||
2732 | niro | 532 | |
2733 | niro | 3002 | if (root) { |
2734 | char *s = alloca(strlen(root) + 1); | ||
2735 | niro | 532 | |
2736 | niro | 3002 | strcpy(s, root); |
2737 | if (s[strlen(s) - 1] == '"') | ||
2738 | s[strlen(s) - 1] = '\0'; | ||
2739 | /* make sure the root doesn't have a trailing " */ | ||
2740 | printf("root=%s\n", s); | ||
2741 | niro | 532 | } |
2742 | |||
2743 | niro | 3002 | line = |
2744 | getLineByType(LT_INITRD | LT_INITRD_EFI | LT_INITRD_16, | ||
2745 | entry->lines); | ||
2746 | niro | 532 | |
2747 | niro | 3002 | if (line && line->numElements >= 2) { |
2748 | if (!strncmp(prefix, line->elements[1].item, strlen(prefix))) | ||
2749 | printf("initrd="); | ||
2750 | else | ||
2751 | printf("initrd=%s", prefix); | ||
2752 | niro | 532 | |
2753 | niro | 3002 | for (i = 1; i < line->numElements; i++) |
2754 | printf("%s%s", line->elements[i].item, | ||
2755 | line->elements[i].indent); | ||
2756 | printf("\n"); | ||
2757 | } | ||
2758 | niro | 532 | |
2759 | niro | 3002 | line = getLineByType(LT_TITLE, entry->lines); |
2760 | niro | 2963 | if (line) { |
2761 | niro | 3002 | printf("title=%s\n", line->elements[1].item); |
2762 | } else { | ||
2763 | char *title; | ||
2764 | line = getLineByType(LT_MENUENTRY, entry->lines); | ||
2765 | if (line) { | ||
2766 | title = grub2ExtractTitle(line); | ||
2767 | if (title) | ||
2768 | printf("title=%s\n", title); | ||
2769 | } | ||
2770 | niro | 2962 | } |
2771 | niro | 2708 | |
2772 | niro | 3002 | for (j = 0, line = entry->lines; line; line = line->next) { |
2773 | if ((line->type & LT_MBMODULE) && line->numElements >= 2) { | ||
2774 | if (!strncmp | ||
2775 | (prefix, line->elements[1].item, strlen(prefix))) | ||
2776 | printf("mbmodule%d=", j); | ||
2777 | else | ||
2778 | printf("mbmodule%d=%s", j, prefix); | ||
2779 | niro | 2708 | |
2780 | niro | 3002 | for (i = 1; i < line->numElements; i++) |
2781 | printf("%s%s", line->elements[i].item, | ||
2782 | line->elements[i].indent); | ||
2783 | printf("\n"); | ||
2784 | j++; | ||
2785 | } | ||
2786 | niro | 2708 | } |
2787 | niro | 532 | } |
2788 | |||
2789 | niro | 3002 | int isSuseSystem(void) |
2790 | { | ||
2791 | const char *path; | ||
2792 | const static char default_path[] = "/etc/SuSE-release"; | ||
2793 | niro | 1850 | |
2794 | niro | 3002 | if ((path = getenv("GRUBBY_SUSE_RELEASE")) == NULL) |
2795 | path = default_path; | ||
2796 | niro | 1850 | |
2797 | niro | 3002 | if (!access(path, R_OK)) |
2798 | return 1; | ||
2799 | return 0; | ||
2800 | niro | 1850 | } |
2801 | |||
2802 | niro | 3002 | int isSuseGrubConf(const char *path) |
2803 | { | ||
2804 | FILE *grubConf; | ||
2805 | char *line = NULL; | ||
2806 | size_t len = 0, res = 0; | ||
2807 | niro | 1850 | |
2808 | niro | 3002 | grubConf = fopen(path, "r"); |
2809 | if (!grubConf) { | ||
2810 | dbgPrintf("Could not open SuSE configuration file '%s'\n", | ||
2811 | path); | ||
2812 | return 0; | ||
2813 | } | ||
2814 | niro | 1850 | |
2815 | niro | 3002 | while ((res = getline(&line, &len, grubConf)) != -1) { |
2816 | if (!strncmp(line, "setup", 5)) { | ||
2817 | fclose(grubConf); | ||
2818 | free(line); | ||
2819 | return 1; | ||
2820 | } | ||
2821 | niro | 1850 | } |
2822 | |||
2823 | niro | 3002 | dbgPrintf("SuSE configuration file '%s' does not appear to be valid\n", |
2824 | path); | ||
2825 | niro | 1850 | |
2826 | niro | 3002 | fclose(grubConf); |
2827 | free(line); | ||
2828 | return 0; | ||
2829 | niro | 1850 | } |
2830 | |||
2831 | niro | 3002 | int suseGrubConfGetLba(const char *path, int *lbaPtr) |
2832 | { | ||
2833 | FILE *grubConf; | ||
2834 | char *line = NULL; | ||
2835 | size_t res = 0, len = 0; | ||
2836 | niro | 1850 | |
2837 | niro | 3002 | if (!path) |
2838 | return 1; | ||
2839 | if (!lbaPtr) | ||
2840 | return 1; | ||
2841 | niro | 1850 | |
2842 | niro | 3002 | grubConf = fopen(path, "r"); |
2843 | if (!grubConf) | ||
2844 | return 1; | ||
2845 | niro | 1850 | |
2846 | niro | 3002 | while ((res = getline(&line, &len, grubConf)) != -1) { |
2847 | if (line[res - 1] == '\n') | ||
2848 | line[res - 1] = '\0'; | ||
2849 | else if (len > res) | ||
2850 | line[res] = '\0'; | ||
2851 | else { | ||
2852 | line = realloc(line, res + 1); | ||
2853 | line[res] = '\0'; | ||
2854 | } | ||
2855 | niro | 1850 | |
2856 | niro | 3002 | if (!strncmp(line, "setup", 5)) { |
2857 | if (strstr(line, "--force-lba")) { | ||
2858 | *lbaPtr = 1; | ||
2859 | } else { | ||
2860 | *lbaPtr = 0; | ||
2861 | } | ||
2862 | dbgPrintf("lba: %i\n", *lbaPtr); | ||
2863 | break; | ||
2864 | } | ||
2865 | niro | 1850 | } |
2866 | |||
2867 | niro | 3002 | free(line); |
2868 | fclose(grubConf); | ||
2869 | return 0; | ||
2870 | niro | 1850 | } |
2871 | |||
2872 | niro | 3002 | int suseGrubConfGetInstallDevice(const char *path, char **devicePtr) |
2873 | { | ||
2874 | FILE *grubConf; | ||
2875 | char *line = NULL; | ||
2876 | size_t res = 0, len = 0; | ||
2877 | char *lastParamPtr = NULL; | ||
2878 | char *secLastParamPtr = NULL; | ||
2879 | char installDeviceNumber = '\0'; | ||
2880 | char *bounds = NULL; | ||
2881 | niro | 1850 | |
2882 | niro | 3002 | if (!path) |
2883 | return 1; | ||
2884 | if (!devicePtr) | ||
2885 | return 1; | ||
2886 | niro | 1850 | |
2887 | niro | 3002 | grubConf = fopen(path, "r"); |
2888 | if (!grubConf) | ||
2889 | return 1; | ||
2890 | niro | 1850 | |
2891 | niro | 3002 | while ((res = getline(&line, &len, grubConf)) != -1) { |
2892 | if (strncmp(line, "setup", 5)) | ||
2893 | continue; | ||
2894 | niro | 1850 | |
2895 | niro | 3002 | if (line[res - 1] == '\n') |
2896 | line[res - 1] = '\0'; | ||
2897 | else if (len > res) | ||
2898 | line[res] = '\0'; | ||
2899 | else { | ||
2900 | line = realloc(line, res + 1); | ||
2901 | line[res] = '\0'; | ||
2902 | } | ||
2903 | niro | 1850 | |
2904 | niro | 3002 | lastParamPtr = bounds = line + res; |
2905 | niro | 1850 | |
2906 | niro | 3002 | /* Last parameter in grub may be an optional IMAGE_DEVICE */ |
2907 | while (!isspace(*lastParamPtr)) | ||
2908 | lastParamPtr--; | ||
2909 | lastParamPtr++; | ||
2910 | niro | 1850 | |
2911 | niro | 3002 | secLastParamPtr = lastParamPtr - 2; |
2912 | dbgPrintf("lastParamPtr: %s\n", lastParamPtr); | ||
2913 | niro | 1850 | |
2914 | niro | 3002 | if (lastParamPtr + 3 > bounds) { |
2915 | dbgPrintf("lastParamPtr going over boundary"); | ||
2916 | fclose(grubConf); | ||
2917 | free(line); | ||
2918 | return 1; | ||
2919 | } | ||
2920 | if (!strncmp(lastParamPtr, "(hd", 3)) | ||
2921 | lastParamPtr += 3; | ||
2922 | dbgPrintf("lastParamPtr: %c\n", *lastParamPtr); | ||
2923 | niro | 1850 | |
2924 | niro | 3002 | /* |
2925 | * Second last parameter will decide wether last parameter is | ||
2926 | * an IMAGE_DEVICE or INSTALL_DEVICE | ||
2927 | */ | ||
2928 | while (!isspace(*secLastParamPtr)) | ||
2929 | secLastParamPtr--; | ||
2930 | secLastParamPtr++; | ||
2931 | niro | 1850 | |
2932 | niro | 3002 | if (secLastParamPtr + 3 > bounds) { |
2933 | dbgPrintf("secLastParamPtr going over boundary"); | ||
2934 | fclose(grubConf); | ||
2935 | free(line); | ||
2936 | return 1; | ||
2937 | } | ||
2938 | dbgPrintf("secLastParamPtr: %s\n", secLastParamPtr); | ||
2939 | if (!strncmp(secLastParamPtr, "(hd", 3)) { | ||
2940 | secLastParamPtr += 3; | ||
2941 | dbgPrintf("secLastParamPtr: %c\n", *secLastParamPtr); | ||
2942 | installDeviceNumber = *secLastParamPtr; | ||
2943 | } else { | ||
2944 | installDeviceNumber = *lastParamPtr; | ||
2945 | } | ||
2946 | |||
2947 | *devicePtr = malloc(6); | ||
2948 | snprintf(*devicePtr, 6, "(hd%c)", installDeviceNumber); | ||
2949 | dbgPrintf("installDeviceNumber: %c\n", installDeviceNumber); | ||
2950 | fclose(grubConf); | ||
2951 | free(line); | ||
2952 | return 0; | ||
2953 | niro | 1850 | } |
2954 | |||
2955 | niro | 3002 | free(line); |
2956 | niro | 1850 | fclose(grubConf); |
2957 | niro | 3002 | return 1; |
2958 | niro | 1850 | } |
2959 | |||
2960 | niro | 3002 | int grubGetBootFromDeviceMap(const char *device, char **bootPtr) |
2961 | { | ||
2962 | FILE *deviceMap; | ||
2963 | char *line = NULL; | ||
2964 | size_t res = 0, len = 0; | ||
2965 | char *devicePtr; | ||
2966 | char *bounds = NULL; | ||
2967 | const char *path; | ||
2968 | const static char default_path[] = "/boot/grub/device.map"; | ||
2969 | niro | 1850 | |
2970 | niro | 3002 | if (!device) |
2971 | return 1; | ||
2972 | if (!bootPtr) | ||
2973 | return 1; | ||
2974 | niro | 1850 | |
2975 | niro | 3002 | if ((path = getenv("GRUBBY_GRUB_DEVICE_MAP")) == NULL) |
2976 | path = default_path; | ||
2977 | niro | 1850 | |
2978 | niro | 3002 | dbgPrintf("opening grub device.map file from: %s\n", path); |
2979 | deviceMap = fopen(path, "r"); | ||
2980 | if (!deviceMap) | ||
2981 | return 1; | ||
2982 | niro | 1850 | |
2983 | niro | 3002 | while ((res = getline(&line, &len, deviceMap)) != -1) { |
2984 | if (!strncmp(line, "#", 1)) | ||
2985 | continue; | ||
2986 | niro | 1850 | |
2987 | niro | 3002 | if (line[res - 1] == '\n') |
2988 | line[res - 1] = '\0'; | ||
2989 | else if (len > res) | ||
2990 | line[res] = '\0'; | ||
2991 | else { | ||
2992 | line = realloc(line, res + 1); | ||
2993 | line[res] = '\0'; | ||
2994 | } | ||
2995 | niro | 1850 | |
2996 | niro | 3002 | devicePtr = line; |
2997 | bounds = line + res; | ||
2998 | niro | 1850 | |
2999 | niro | 3002 | while ((isspace(*line) && ((devicePtr + 1) <= bounds))) |
3000 | devicePtr++; | ||
3001 | dbgPrintf("device: %s\n", devicePtr); | ||
3002 | niro | 1850 | |
3003 | niro | 3002 | if (!strncmp(devicePtr, device, strlen(device))) { |
3004 | devicePtr += strlen(device); | ||
3005 | while (isspace(*devicePtr) | ||
3006 | && ((devicePtr + 1) <= bounds)) | ||
3007 | devicePtr++; | ||
3008 | niro | 1850 | |
3009 | niro | 3002 | *bootPtr = strdup(devicePtr); |
3010 | break; | ||
3011 | } | ||
3012 | niro | 1850 | } |
3013 | |||
3014 | niro | 3002 | free(line); |
3015 | fclose(deviceMap); | ||
3016 | return 0; | ||
3017 | niro | 1850 | } |
3018 | |||
3019 | niro | 3002 | int suseGrubConfGetBoot(const char *path, char **bootPtr) |
3020 | { | ||
3021 | char *grubDevice; | ||
3022 | niro | 1850 | |
3023 | niro | 3002 | if (suseGrubConfGetInstallDevice(path, &grubDevice)) |
3024 | dbgPrintf("error looking for grub installation device\n"); | ||
3025 | else | ||
3026 | dbgPrintf("grubby installation device: %s\n", grubDevice); | ||
3027 | niro | 1850 | |
3028 | niro | 3002 | if (grubGetBootFromDeviceMap(grubDevice, bootPtr)) |
3029 | dbgPrintf("error looking for grub boot device\n"); | ||
3030 | else | ||
3031 | dbgPrintf("grubby boot device: %s\n", *bootPtr); | ||
3032 | niro | 1850 | |
3033 | niro | 3002 | free(grubDevice); |
3034 | return 0; | ||
3035 | niro | 1850 | } |
3036 | |||
3037 | niro | 3002 | int parseSuseGrubConf(int *lbaPtr, char **bootPtr) |
3038 | { | ||
3039 | /* | ||
3040 | * This SuSE grub configuration file at this location is not your | ||
3041 | * average grub configuration file, but instead the grub commands | ||
3042 | * used to setup grub on that system. | ||
3043 | */ | ||
3044 | const char *path; | ||
3045 | const static char default_path[] = "/etc/grub.conf"; | ||
3046 | niro | 1850 | |
3047 | niro | 3002 | if ((path = getenv("GRUBBY_SUSE_GRUB_CONF")) == NULL) |
3048 | path = default_path; | ||
3049 | niro | 1850 | |
3050 | niro | 3002 | if (!isSuseGrubConf(path)) |
3051 | return 1; | ||
3052 | niro | 1850 | |
3053 | niro | 3002 | if (lbaPtr) { |
3054 | *lbaPtr = 0; | ||
3055 | if (suseGrubConfGetLba(path, lbaPtr)) | ||
3056 | return 1; | ||
3057 | } | ||
3058 | niro | 1850 | |
3059 | niro | 3002 | if (bootPtr) { |
3060 | *bootPtr = NULL; | ||
3061 | suseGrubConfGetBoot(path, bootPtr); | ||
3062 | } | ||
3063 | niro | 1850 | |
3064 | niro | 3002 | return 0; |
3065 | niro | 1850 | } |
3066 | |||
3067 | niro | 3002 | int parseSysconfigGrub(int *lbaPtr, char **bootPtr) |
3068 | { | ||
3069 | FILE *in; | ||
3070 | char buf[1024]; | ||
3071 | char *chptr; | ||
3072 | char *start; | ||
3073 | char *param; | ||
3074 | niro | 532 | |
3075 | niro | 3002 | in = fopen("/etc/sysconfig/grub", "r"); |
3076 | if (!in) | ||
3077 | return 1; | ||
3078 | niro | 532 | |
3079 | niro | 3002 | if (lbaPtr) |
3080 | *lbaPtr = 0; | ||
3081 | if (bootPtr) | ||
3082 | *bootPtr = NULL; | ||
3083 | niro | 532 | |
3084 | niro | 3002 | while (fgets(buf, sizeof(buf), in)) { |
3085 | start = buf; | ||
3086 | while (isspace(*start)) | ||
3087 | start++; | ||
3088 | if (*start == '#') | ||
3089 | continue; | ||
3090 | niro | 532 | |
3091 | niro | 3002 | chptr = strchr(start, '='); |
3092 | if (!chptr) | ||
3093 | continue; | ||
3094 | chptr--; | ||
3095 | while (*chptr && isspace(*chptr)) | ||
3096 | chptr--; | ||
3097 | chptr++; | ||
3098 | *chptr = '\0'; | ||
3099 | niro | 532 | |
3100 | niro | 3002 | param = chptr + 1; |
3101 | while (*param && isspace(*param)) | ||
3102 | param++; | ||
3103 | if (*param == '=') { | ||
3104 | param++; | ||
3105 | while (*param && isspace(*param)) | ||
3106 | param++; | ||
3107 | } | ||
3108 | niro | 532 | |
3109 | niro | 3002 | chptr = param; |
3110 | while (*chptr && !isspace(*chptr)) | ||
3111 | chptr++; | ||
3112 | *chptr = '\0'; | ||
3113 | niro | 532 | |
3114 | niro | 3002 | if (!strcmp(start, "forcelba") && !strcmp(param, "1") && lbaPtr) |
3115 | *lbaPtr = 1; | ||
3116 | else if (!strcmp(start, "boot") && bootPtr) | ||
3117 | *bootPtr = strdup(param); | ||
3118 | } | ||
3119 | niro | 532 | |
3120 | niro | 3002 | fclose(in); |
3121 | niro | 532 | |
3122 | niro | 3002 | return 0; |
3123 | niro | 532 | } |
3124 | |||
3125 | niro | 3002 | void dumpSysconfigGrub(void) |
3126 | { | ||
3127 | char *boot = NULL; | ||
3128 | int lba; | ||
3129 | niro | 532 | |
3130 | niro | 3002 | if (isSuseSystem()) { |
3131 | if (parseSuseGrubConf(&lba, &boot)) { | ||
3132 | free(boot); | ||
3133 | return; | ||
3134 | } | ||
3135 | } else { | ||
3136 | if (parseSysconfigGrub(&lba, &boot)) { | ||
3137 | free(boot); | ||
3138 | return; | ||
3139 | } | ||
3140 | niro | 1850 | } |
3141 | niro | 3002 | |
3142 | if (lba) | ||
3143 | printf("lba\n"); | ||
3144 | if (boot) { | ||
3145 | printf("boot=%s\n", boot); | ||
3146 | free(boot); | ||
3147 | niro | 1850 | } |
3148 | niro | 532 | } |
3149 | |||
3150 | niro | 3002 | int displayInfo(struct grubConfig *config, char *kernel, const char *prefix) |
3151 | { | ||
3152 | int i = 0; | ||
3153 | struct singleEntry *entry; | ||
3154 | struct singleLine *line; | ||
3155 | niro | 532 | |
3156 | niro | 3002 | entry = findEntryByPath(config, kernel, prefix, &i); |
3157 | if (!entry) { | ||
3158 | fprintf(stderr, _("grubby: kernel not found\n")); | ||
3159 | return 1; | ||
3160 | niro | 532 | } |
3161 | |||
3162 | niro | 3002 | /* this is a horrible hack to support /etc/sysconfig/grub; there must |
3163 | be a better way */ | ||
3164 | if (config->cfi == &grubConfigType) { | ||
3165 | dumpSysconfigGrub(); | ||
3166 | } else { | ||
3167 | line = getLineByType(LT_BOOT, config->theLines); | ||
3168 | if (line && line->numElements >= 1) { | ||
3169 | printf("boot=%s\n", line->elements[1].item); | ||
3170 | } | ||
3171 | niro | 532 | |
3172 | niro | 3002 | line = getLineByType(LT_LBA, config->theLines); |
3173 | if (line) | ||
3174 | printf("lba\n"); | ||
3175 | } | ||
3176 | niro | 532 | |
3177 | displayEntry(entry, prefix, i); | ||
3178 | niro | 3002 | |
3179 | niro | 532 | i++; |
3180 | niro | 3002 | while ((entry = findEntryByPath(config, kernel, prefix, &i))) { |
3181 | displayEntry(entry, prefix, i); | ||
3182 | i++; | ||
3183 | } | ||
3184 | niro | 532 | |
3185 | niro | 3002 | return 0; |
3186 | niro | 532 | } |
3187 | |||
3188 | niro | 3002 | struct singleLine *addLineTmpl(struct singleEntry *entry, |
3189 | struct singleLine *tmplLine, | ||
3190 | struct singleLine *prevLine, | ||
3191 | const char *val, struct configFileInfo *cfi) | ||
3192 | niro | 914 | { |
3193 | niro | 3002 | struct singleLine *newLine = lineDup(tmplLine); |
3194 | niro | 914 | |
3195 | niro | 3002 | if (isEfi && cfi == &grub2ConfigType) { |
3196 | enum lineType_e old = newLine->type; | ||
3197 | newLine->type = preferredLineType(newLine->type, cfi); | ||
3198 | if (old != newLine->type) | ||
3199 | newLine->elements[0].item = | ||
3200 | getKeyByType(newLine->type, cfi); | ||
3201 | } | ||
3202 | niro | 1940 | |
3203 | niro | 3002 | if (val) { |
3204 | /* override the inherited value with our own. | ||
3205 | * This is a little weak because it only applies to elements[1] | ||
3206 | */ | ||
3207 | if (newLine->numElements > 1) | ||
3208 | removeElement(newLine, 1); | ||
3209 | insertElement(newLine, val, 1, cfi); | ||
3210 | niro | 914 | |
3211 | niro | 3002 | /* but try to keep the rootspec from the template... sigh */ |
3212 | if (tmplLine-> | ||
3213 | type & (LT_HYPER | LT_KERNEL | LT_MBMODULE | LT_INITRD | | ||
3214 | LT_KERNEL_EFI | LT_INITRD_EFI | LT_KERNEL_16 | | ||
3215 | LT_INITRD_16)) { | ||
3216 | char *rootspec = | ||
3217 | getRootSpecifier(tmplLine->elements[1].item); | ||
3218 | if (rootspec != NULL) { | ||
3219 | free(newLine->elements[1].item); | ||
3220 | newLine->elements[1].item = | ||
3221 | sdupprintf("%s%s", rootspec, val); | ||
3222 | } | ||
3223 | } | ||
3224 | niro | 914 | } |
3225 | |||
3226 | niro | 3002 | dbgPrintf("addLineTmpl(%s)\n", newLine->numElements ? |
3227 | newLine->elements[0].item : ""); | ||
3228 | niro | 914 | |
3229 | niro | 3002 | if (!entry->lines) { |
3230 | /* first one on the list */ | ||
3231 | entry->lines = newLine; | ||
3232 | } else if (prevLine) { | ||
3233 | /* add after prevLine */ | ||
3234 | newLine->next = prevLine->next; | ||
3235 | prevLine->next = newLine; | ||
3236 | } | ||
3237 | niro | 914 | |
3238 | niro | 3002 | return newLine; |
3239 | niro | 914 | } |
3240 | |||
3241 | niro | 532 | /* val may be NULL */ |
3242 | niro | 3002 | struct singleLine *addLine(struct singleEntry *entry, |
3243 | struct configFileInfo *cfi, | ||
3244 | enum lineType_e type, char *defaultIndent, | ||
3245 | const char *val) | ||
3246 | { | ||
3247 | struct singleLine *line, *prev; | ||
3248 | struct keywordTypes *kw; | ||
3249 | struct singleLine tmpl; | ||
3250 | niro | 532 | |
3251 | niro | 3002 | /* NB: This function shouldn't allocate items on the heap, rather on |
3252 | * the stack since it calls addLineTmpl which will make copies. | ||
3253 | */ | ||
3254 | if (type == LT_TITLE && cfi->titleBracketed) { | ||
3255 | /* we're doing a bracketed title (zipl) */ | ||
3256 | tmpl.type = type; | ||
3257 | tmpl.numElements = 1; | ||
3258 | tmpl.elements = alloca(sizeof(*tmpl.elements)); | ||
3259 | tmpl.elements[0].item = alloca(strlen(val) + 3); | ||
3260 | sprintf(tmpl.elements[0].item, "[%s]", val); | ||
3261 | tmpl.elements[0].indent = ""; | ||
3262 | val = NULL; | ||
3263 | } else if (type == LT_MENUENTRY) { | ||
3264 | char *lineend = "--class gnu-linux --class gnu --class os {"; | ||
3265 | if (!val) { | ||
3266 | fprintf(stderr, | ||
3267 | "Line type LT_MENUENTRY requires a value\n"); | ||
3268 | abort(); | ||
3269 | } | ||
3270 | kw = getKeywordByType(type, cfi); | ||
3271 | if (!kw) { | ||
3272 | fprintf(stderr, | ||
3273 | "Looking up keyword for unknown type %d\n", | ||
3274 | type); | ||
3275 | abort(); | ||
3276 | } | ||
3277 | tmpl.indent = ""; | ||
3278 | tmpl.type = type; | ||
3279 | tmpl.numElements = 3; | ||
3280 | tmpl.elements = | ||
3281 | alloca(sizeof(*tmpl.elements) * tmpl.numElements); | ||
3282 | tmpl.elements[0].item = kw->key; | ||
3283 | tmpl.elements[0].indent = alloca(2); | ||
3284 | sprintf(tmpl.elements[0].indent, "%c", kw->nextChar); | ||
3285 | tmpl.elements[1].item = (char *)val; | ||
3286 | tmpl.elements[1].indent = alloca(2); | ||
3287 | sprintf(tmpl.elements[1].indent, "%c", kw->nextChar); | ||
3288 | tmpl.elements[2].item = alloca(strlen(lineend) + 1); | ||
3289 | strcpy(tmpl.elements[2].item, lineend); | ||
3290 | tmpl.elements[2].indent = ""; | ||
3291 | } else { | ||
3292 | kw = getKeywordByType(type, cfi); | ||
3293 | if (!kw) { | ||
3294 | fprintf(stderr, | ||
3295 | "Looking up keyword for unknown type %d\n", | ||
3296 | type); | ||
3297 | abort(); | ||
3298 | } | ||
3299 | tmpl.type = type; | ||
3300 | tmpl.numElements = val ? 2 : 1; | ||
3301 | tmpl.elements = | ||
3302 | alloca(sizeof(*tmpl.elements) * tmpl.numElements); | ||
3303 | tmpl.elements[0].item = kw->key; | ||
3304 | tmpl.elements[0].indent = alloca(2); | ||
3305 | sprintf(tmpl.elements[0].indent, "%c", kw->nextChar); | ||
3306 | if (val) { | ||
3307 | tmpl.elements[1].item = (char *)val; | ||
3308 | tmpl.elements[1].indent = ""; | ||
3309 | } | ||
3310 | niro | 1696 | } |
3311 | niro | 3002 | |
3312 | /* The last non-empty line gives us the indention to us and the line | ||
3313 | * to insert after. Note that comments are considered empty lines, | ||
3314 | * which may not be ideal? If there are no lines or we are looking at | ||
3315 | * the first line, we use defaultIndent (the first line is normally | ||
3316 | * indented differently from the rest) */ | ||
3317 | for (line = entry->lines, prev = NULL; line; line = line->next) { | ||
3318 | if (line->numElements) | ||
3319 | prev = line; | ||
3320 | /* fall back on the last line if prev isn't otherwise set */ | ||
3321 | if (!line->next && !prev) | ||
3322 | prev = line; | ||
3323 | niro | 1696 | } |
3324 | niro | 3002 | |
3325 | struct singleLine *menuEntry; | ||
3326 | menuEntry = getLineByType(LT_MENUENTRY, entry->lines); | ||
3327 | if (tmpl.type == LT_ENTRY_END) { | ||
3328 | if (menuEntry) | ||
3329 | tmpl.indent = menuEntry->indent; | ||
3330 | else | ||
3331 | tmpl.indent = defaultIndent ? : ""; | ||
3332 | } else if (tmpl.type != LT_MENUENTRY) { | ||
3333 | if (menuEntry) | ||
3334 | tmpl.indent = "\t"; | ||
3335 | else if (prev == entry->lines) | ||
3336 | tmpl.indent = defaultIndent ? : ""; | ||
3337 | else | ||
3338 | tmpl.indent = prev->indent; | ||
3339 | niro | 1696 | } |
3340 | niro | 914 | |
3341 | niro | 3002 | return addLineTmpl(entry, &tmpl, prev, val, cfi); |
3342 | niro | 532 | } |
3343 | |||
3344 | niro | 3002 | void removeLine(struct singleEntry *entry, struct singleLine *line) |
3345 | { | ||
3346 | struct singleLine *prev; | ||
3347 | int i; | ||
3348 | niro | 532 | |
3349 | niro | 3002 | for (i = 0; i < line->numElements; i++) { |
3350 | free(line->elements[i].item); | ||
3351 | free(line->elements[i].indent); | ||
3352 | } | ||
3353 | free(line->elements); | ||
3354 | free(line->indent); | ||
3355 | niro | 532 | |
3356 | niro | 3002 | if (line == entry->lines) { |
3357 | entry->lines = line->next; | ||
3358 | } else { | ||
3359 | prev = entry->lines; | ||
3360 | while (prev->next != line) | ||
3361 | prev = prev->next; | ||
3362 | prev->next = line->next; | ||
3363 | } | ||
3364 | niro | 532 | |
3365 | niro | 3002 | free(line); |
3366 | niro | 532 | } |
3367 | |||
3368 | niro | 3002 | static void requote(struct singleLine *tmplLine, struct configFileInfo *cfi) |
3369 | niro | 1696 | { |
3370 | niro | 3002 | struct singleLine newLine = { |
3371 | .indent = tmplLine->indent, | ||
3372 | .type = tmplLine->type, | ||
3373 | .next = tmplLine->next, | ||
3374 | }; | ||
3375 | int firstQuotedItem = -1; | ||
3376 | int quoteLen = 0; | ||
3377 | int j; | ||
3378 | int element = 0; | ||
3379 | char *c; | ||
3380 | niro | 1696 | |
3381 | niro | 3002 | c = malloc(strlen(tmplLine->elements[0].item) + 1); |
3382 | strcpy(c, tmplLine->elements[0].item); | ||
3383 | insertElement(&newLine, c, element++, cfi); | ||
3384 | free(c); | ||
3385 | c = NULL; | ||
3386 | niro | 1696 | |
3387 | niro | 3002 | for (j = 1; j < tmplLine->numElements; j++) { |
3388 | if (firstQuotedItem == -1) { | ||
3389 | quoteLen += strlen(tmplLine->elements[j].item); | ||
3390 | |||
3391 | if (isquote(tmplLine->elements[j].item[0])) { | ||
3392 | firstQuotedItem = j; | ||
3393 | quoteLen += | ||
3394 | strlen(tmplLine->elements[j].indent); | ||
3395 | } else { | ||
3396 | c = malloc(quoteLen + 1); | ||
3397 | strcpy(c, tmplLine->elements[j].item); | ||
3398 | insertElement(&newLine, c, element++, cfi); | ||
3399 | free(c); | ||
3400 | quoteLen = 0; | ||
3401 | } | ||
3402 | } else { | ||
3403 | int itemlen = strlen(tmplLine->elements[j].item); | ||
3404 | quoteLen += itemlen; | ||
3405 | quoteLen += strlen(tmplLine->elements[j].indent); | ||
3406 | |||
3407 | if (isquote(tmplLine->elements[j].item[itemlen - 1])) { | ||
3408 | c = malloc(quoteLen + 1); | ||
3409 | c[0] = '\0'; | ||
3410 | for (int i = firstQuotedItem; i < j + 1; i++) { | ||
3411 | strcat(c, tmplLine->elements[i].item); | ||
3412 | strcat(c, tmplLine->elements[i].indent); | ||
3413 | } | ||
3414 | insertElement(&newLine, c, element++, cfi); | ||
3415 | free(c); | ||
3416 | |||
3417 | firstQuotedItem = -1; | ||
3418 | quoteLen = 0; | ||
3419 | } | ||
3420 | niro | 1696 | } |
3421 | } | ||
3422 | niro | 3002 | while (tmplLine->numElements) |
3423 | removeElement(tmplLine, 0); | ||
3424 | if (tmplLine->elements) | ||
3425 | free(tmplLine->elements); | ||
3426 | niro | 1696 | |
3427 | niro | 3002 | tmplLine->numElements = newLine.numElements; |
3428 | tmplLine->elements = newLine.elements; | ||
3429 | niro | 1696 | } |
3430 | |||
3431 | niro | 3002 | static void insertElement(struct singleLine *line, |
3432 | const char *item, int insertHere, | ||
3433 | struct configFileInfo *cfi) | ||
3434 | niro | 914 | { |
3435 | niro | 3002 | struct keywordTypes *kw; |
3436 | char indent[2] = ""; | ||
3437 | niro | 914 | |
3438 | niro | 3002 | /* sanity check */ |
3439 | if (insertHere > line->numElements) { | ||
3440 | dbgPrintf | ||
3441 | ("insertElement() adjusting insertHere from %d to %d\n", | ||
3442 | insertHere, line->numElements); | ||
3443 | insertHere = line->numElements; | ||
3444 | } | ||
3445 | niro | 914 | |
3446 | niro | 3002 | line->elements = realloc(line->elements, (line->numElements + 1) * |
3447 | sizeof(*line->elements)); | ||
3448 | memmove(&line->elements[insertHere + 1], | ||
3449 | &line->elements[insertHere], | ||
3450 | (line->numElements - insertHere) * sizeof(*line->elements)); | ||
3451 | line->elements[insertHere].item = strdup(item); | ||
3452 | niro | 914 | |
3453 | niro | 3002 | kw = getKeywordByType(line->type, cfi); |
3454 | niro | 914 | |
3455 | niro | 3002 | if (line->numElements == 0) { |
3456 | indent[0] = '\0'; | ||
3457 | } else if (insertHere == 0) { | ||
3458 | indent[0] = kw->nextChar; | ||
3459 | } else if (kw->separatorChar != '\0') { | ||
3460 | indent[0] = kw->separatorChar; | ||
3461 | } else { | ||
3462 | indent[0] = ' '; | ||
3463 | } | ||
3464 | niro | 914 | |
3465 | niro | 3002 | if (insertHere > 0 && line->elements[insertHere - 1].indent[0] == '\0') { |
3466 | /* move the end-of-line forward */ | ||
3467 | line->elements[insertHere].indent = | ||
3468 | line->elements[insertHere - 1].indent; | ||
3469 | line->elements[insertHere - 1].indent = strdup(indent); | ||
3470 | } else { | ||
3471 | line->elements[insertHere].indent = strdup(indent); | ||
3472 | } | ||
3473 | niro | 914 | |
3474 | niro | 3002 | line->numElements++; |
3475 | niro | 914 | |
3476 | niro | 3002 | dbgPrintf("insertElement(%s, '%s%s', %d)\n", |
3477 | line->elements[0].item, | ||
3478 | line->elements[insertHere].item, | ||
3479 | line->elements[insertHere].indent, insertHere); | ||
3480 | niro | 914 | } |
3481 | |||
3482 | niro | 3002 | static void removeElement(struct singleLine *line, int removeHere) |
3483 | { | ||
3484 | int i; | ||
3485 | niro | 914 | |
3486 | niro | 3002 | /* sanity check */ |
3487 | if (removeHere >= line->numElements) | ||
3488 | return; | ||
3489 | niro | 914 | |
3490 | niro | 3002 | dbgPrintf("removeElement(%s, %d:%s)\n", line->elements[0].item, |
3491 | removeHere, line->elements[removeHere].item); | ||
3492 | niro | 914 | |
3493 | niro | 3002 | free(line->elements[removeHere].item); |
3494 | niro | 914 | |
3495 | niro | 3002 | if (removeHere > 1) { |
3496 | /* previous argument gets this argument's post-indentation */ | ||
3497 | free(line->elements[removeHere - 1].indent); | ||
3498 | line->elements[removeHere - 1].indent = | ||
3499 | line->elements[removeHere].indent; | ||
3500 | } else { | ||
3501 | free(line->elements[removeHere].indent); | ||
3502 | } | ||
3503 | niro | 914 | |
3504 | niro | 3002 | /* now collapse the array, but don't bother to realloc smaller */ |
3505 | for (i = removeHere; i < line->numElements - 1; i++) | ||
3506 | line->elements[i] = line->elements[i + 1]; | ||
3507 | niro | 914 | |
3508 | niro | 3002 | line->numElements--; |
3509 | niro | 914 | } |
3510 | |||
3511 | niro | 3002 | int argMatch(const char *one, const char *two) |
3512 | { | ||
3513 | char *first, *second; | ||
3514 | char *chptr; | ||
3515 | niro | 532 | |
3516 | niro | 3002 | first = strcpy(alloca(strlen(one) + 1), one); |
3517 | second = strcpy(alloca(strlen(two) + 1), two); | ||
3518 | niro | 532 | |
3519 | niro | 3002 | chptr = strchr(first, '='); |
3520 | if (chptr) | ||
3521 | *chptr = '\0'; | ||
3522 | niro | 532 | |
3523 | niro | 3002 | chptr = strchr(second, '='); |
3524 | if (chptr) | ||
3525 | *chptr = '\0'; | ||
3526 | niro | 532 | |
3527 | niro | 3002 | return strcmp(first, second); |
3528 | niro | 532 | } |
3529 | |||
3530 | niro | 3002 | int updateActualImage(struct grubConfig *cfg, const char *image, |
3531 | const char *prefix, const char *addArgs, | ||
3532 | const char *removeArgs, int multibootArgs) | ||
3533 | { | ||
3534 | struct singleEntry *entry; | ||
3535 | struct singleLine *line, *rootLine; | ||
3536 | int index = 0; | ||
3537 | int i, k; | ||
3538 | const char **newArgs, **oldArgs; | ||
3539 | const char **arg; | ||
3540 | int useKernelArgs, useRoot; | ||
3541 | int firstElement; | ||
3542 | int *usedElements; | ||
3543 | int doreplace; | ||
3544 | niro | 532 | |
3545 | niro | 3002 | if (!image) |
3546 | return 0; | ||
3547 | niro | 532 | |
3548 | niro | 3002 | if (!addArgs) { |
3549 | newArgs = malloc(sizeof(*newArgs)); | ||
3550 | *newArgs = NULL; | ||
3551 | } else { | ||
3552 | if (poptParseArgvString(addArgs, NULL, &newArgs)) { | ||
3553 | fprintf(stderr, | ||
3554 | _("grubby: error separating arguments '%s'\n"), | ||
3555 | addArgs); | ||
3556 | return 1; | ||
3557 | } | ||
3558 | niro | 532 | } |
3559 | |||
3560 | niro | 3002 | if (!removeArgs) { |
3561 | oldArgs = malloc(sizeof(*oldArgs)); | ||
3562 | *oldArgs = NULL; | ||
3563 | } else { | ||
3564 | if (poptParseArgvString(removeArgs, NULL, &oldArgs)) { | ||
3565 | fprintf(stderr, | ||
3566 | _("grubby: error separating arguments '%s'\n"), | ||
3567 | removeArgs); | ||
3568 | free(newArgs); | ||
3569 | return 1; | ||
3570 | } | ||
3571 | niro | 532 | } |
3572 | |||
3573 | niro | 3002 | useKernelArgs = (getKeywordByType(LT_KERNELARGS, cfg->cfi) |
3574 | && (!multibootArgs || cfg->cfi->mbConcatArgs)); | ||
3575 | niro | 532 | |
3576 | niro | 3002 | useRoot = (getKeywordByType(LT_ROOT, cfg->cfi) |
3577 | && !multibootArgs); | ||
3578 | niro | 532 | |
3579 | niro | 3002 | for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
3580 | niro | 532 | |
3581 | niro | 3002 | if (multibootArgs && !entry->multiboot) |
3582 | continue; | ||
3583 | niro | 532 | |
3584 | niro | 3002 | /* Determine where to put the args. If this config supports |
3585 | * LT_KERNELARGS, use that. Otherwise use | ||
3586 | * LT_HYPER/LT_KERNEL/LT_MBMODULE lines. | ||
3587 | */ | ||
3588 | if (useKernelArgs) { | ||
3589 | line = getLineByType(LT_KERNELARGS, entry->lines); | ||
3590 | if (!line) { | ||
3591 | /* no LT_KERNELARGS, need to add it */ | ||
3592 | line = addLine(entry, cfg->cfi, LT_KERNELARGS, | ||
3593 | cfg->secondaryIndent, NULL); | ||
3594 | } | ||
3595 | firstElement = 1; | ||
3596 | niro | 532 | |
3597 | niro | 3002 | } else if (multibootArgs) { |
3598 | line = getLineByType(LT_HYPER, entry->lines); | ||
3599 | if (!line) { | ||
3600 | /* a multiboot entry without LT_HYPER? */ | ||
3601 | continue; | ||
3602 | } | ||
3603 | firstElement = 2; | ||
3604 | niro | 532 | |
3605 | niro | 3002 | } else { |
3606 | line = | ||
3607 | getLineByType(LT_KERNEL | LT_MBMODULE | | ||
3608 | LT_KERNEL_EFI | LT_KERNEL_16, | ||
3609 | entry->lines); | ||
3610 | if (!line) { | ||
3611 | /* no LT_KERNEL or LT_MBMODULE in this entry? */ | ||
3612 | continue; | ||
3613 | } | ||
3614 | firstElement = 2; | ||
3615 | } | ||
3616 | niro | 914 | |
3617 | niro | 3002 | /* handle the elilo case which does: |
3618 | * append="hypervisor args -- kernel args" | ||
3619 | niro | 914 | */ |
3620 | niro | 3002 | if (entry->multiboot && cfg->cfi->mbConcatArgs) { |
3621 | /* this is a multiboot entry, make sure there's | ||
3622 | * -- on the args line | ||
3623 | */ | ||
3624 | for (i = firstElement; i < line->numElements; i++) { | ||
3625 | if (!strcmp(line->elements[i].item, "--")) | ||
3626 | break; | ||
3627 | } | ||
3628 | if (i == line->numElements) { | ||
3629 | /* assume all existing args are kernel args, | ||
3630 | * prepend -- to make it official | ||
3631 | */ | ||
3632 | insertElement(line, "--", firstElement, | ||
3633 | cfg->cfi); | ||
3634 | i = firstElement; | ||
3635 | } | ||
3636 | if (!multibootArgs) { | ||
3637 | /* kernel args start after the -- */ | ||
3638 | firstElement = i + 1; | ||
3639 | } | ||
3640 | } else if (cfg->cfi->mbConcatArgs) { | ||
3641 | /* this is a non-multiboot entry, remove hyper args */ | ||
3642 | for (i = firstElement; i < line->numElements; i++) { | ||
3643 | if (!strcmp(line->elements[i].item, "--")) | ||
3644 | break; | ||
3645 | } | ||
3646 | if (i < line->numElements) { | ||
3647 | /* remove args up to -- */ | ||
3648 | while (strcmp | ||
3649 | (line->elements[firstElement].item, | ||
3650 | "--")) | ||
3651 | removeElement(line, firstElement); | ||
3652 | /* remove -- */ | ||
3653 | removeElement(line, firstElement); | ||
3654 | } | ||
3655 | } | ||
3656 | niro | 532 | |
3657 | niro | 3002 | usedElements = calloc(line->numElements, sizeof(*usedElements)); |
3658 | niro | 532 | |
3659 | niro | 3002 | for (k = 0, arg = newArgs; *arg; arg++, k++) { |
3660 | niro | 914 | |
3661 | niro | 3002 | doreplace = 1; |
3662 | for (i = firstElement; i < line->numElements; i++) { | ||
3663 | if (multibootArgs && cfg->cfi->mbConcatArgs && | ||
3664 | !strcmp(line->elements[i].item, "--")) { | ||
3665 | /* reached the end of hyper args, insert here */ | ||
3666 | doreplace = 0; | ||
3667 | break; | ||
3668 | } | ||
3669 | if (usedElements[i]) | ||
3670 | continue; | ||
3671 | if (!argMatch(line->elements[i].item, *arg)) { | ||
3672 | usedElements[i] = 1; | ||
3673 | break; | ||
3674 | } | ||
3675 | } | ||
3676 | niro | 532 | |
3677 | niro | 3002 | if (i < line->numElements && doreplace) { |
3678 | /* direct replacement */ | ||
3679 | free(line->elements[i].item); | ||
3680 | line->elements[i].item = strdup(*arg); | ||
3681 | niro | 532 | |
3682 | niro | 3002 | } else if (useRoot && !strncmp(*arg, "root=/dev/", 10)) { |
3683 | /* root= replacement */ | ||
3684 | rootLine = getLineByType(LT_ROOT, entry->lines); | ||
3685 | if (rootLine) { | ||
3686 | free(rootLine->elements[1].item); | ||
3687 | rootLine->elements[1].item = | ||
3688 | strdup(*arg + 5); | ||
3689 | } else { | ||
3690 | rootLine = | ||
3691 | addLine(entry, cfg->cfi, LT_ROOT, | ||
3692 | cfg->secondaryIndent, | ||
3693 | *arg + 5); | ||
3694 | } | ||
3695 | } | ||
3696 | niro | 532 | |
3697 | niro | 3002 | else { |
3698 | /* insert/append */ | ||
3699 | insertElement(line, *arg, i, cfg->cfi); | ||
3700 | usedElements = | ||
3701 | realloc(usedElements, | ||
3702 | line->numElements * | ||
3703 | sizeof(*usedElements)); | ||
3704 | memmove(&usedElements[i + 1], &usedElements[i], | ||
3705 | line->numElements - i - 1); | ||
3706 | usedElements[i] = 1; | ||
3707 | niro | 532 | |
3708 | niro | 3002 | /* if we updated a root= here even though |
3709 | * there is a LT_ROOT available we need to | ||
3710 | * remove the LT_ROOT entry (this will happen | ||
3711 | * if we switch from a device to a label) */ | ||
3712 | if (useRoot && !strncmp(*arg, "root=", 5)) { | ||
3713 | rootLine = | ||
3714 | getLineByType(LT_ROOT, | ||
3715 | entry->lines); | ||
3716 | if (rootLine) | ||
3717 | removeLine(entry, rootLine); | ||
3718 | } | ||
3719 | } | ||
3720 | niro | 532 | } |
3721 | |||
3722 | niro | 3002 | free(usedElements); |
3723 | niro | 532 | |
3724 | niro | 3002 | for (arg = oldArgs; *arg; arg++) { |
3725 | for (i = firstElement; i < line->numElements; i++) { | ||
3726 | if (multibootArgs && cfg->cfi->mbConcatArgs && | ||
3727 | !strcmp(line->elements[i].item, "--")) | ||
3728 | /* reached the end of hyper args, stop here */ | ||
3729 | break; | ||
3730 | if (!argMatch(line->elements[i].item, *arg)) { | ||
3731 | removeElement(line, i); | ||
3732 | break; | ||
3733 | } | ||
3734 | } | ||
3735 | /* handle removing LT_ROOT line too */ | ||
3736 | if (useRoot && !strncmp(*arg, "root=", 5)) { | ||
3737 | rootLine = getLineByType(LT_ROOT, entry->lines); | ||
3738 | if (rootLine) | ||
3739 | removeLine(entry, rootLine); | ||
3740 | } | ||
3741 | niro | 532 | } |
3742 | |||
3743 | niro | 3002 | if (line->numElements == 1) { |
3744 | /* don't need the line at all (note it has to be a | ||
3745 | LT_KERNELARGS for this to happen */ | ||
3746 | removeLine(entry, line); | ||
3747 | } | ||
3748 | niro | 532 | } |
3749 | |||
3750 | niro | 3002 | free(newArgs); |
3751 | free(oldArgs); | ||
3752 | niro | 532 | |
3753 | niro | 3002 | return 0; |
3754 | niro | 532 | } |
3755 | |||
3756 | niro | 3002 | int updateImage(struct grubConfig *cfg, const char *image, |
3757 | const char *prefix, const char *addArgs, | ||
3758 | const char *removeArgs, | ||
3759 | const char *addMBArgs, const char *removeMBArgs) | ||
3760 | { | ||
3761 | int rc = 0; | ||
3762 | niro | 532 | |
3763 | niro | 3002 | if (!image) |
3764 | return rc; | ||
3765 | niro | 532 | |
3766 | niro | 3002 | /* update the main args first... */ |
3767 | if (addArgs || removeArgs) | ||
3768 | rc = updateActualImage(cfg, image, prefix, addArgs, removeArgs, | ||
3769 | 0); | ||
3770 | if (rc) | ||
3771 | return rc; | ||
3772 | niro | 532 | |
3773 | niro | 3002 | /* and now any multiboot args */ |
3774 | if (addMBArgs || removeMBArgs) | ||
3775 | rc = updateActualImage(cfg, image, prefix, addMBArgs, | ||
3776 | removeMBArgs, 1); | ||
3777 | return rc; | ||
3778 | niro | 532 | } |
3779 | |||
3780 | niro | 3002 | int addMBInitrd(struct grubConfig *cfg, const char *newMBKernel, |
3781 | const char *image, const char *prefix, const char *initrd, | ||
3782 | const char *title) | ||
3783 | { | ||
3784 | struct singleEntry *entry; | ||
3785 | struct singleLine *line, *kernelLine, *endLine = NULL; | ||
3786 | int index = 0; | ||
3787 | niro | 2263 | |
3788 | niro | 3002 | if (!image) |
3789 | return 0; | ||
3790 | niro | 2263 | |
3791 | niro | 3002 | for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
3792 | kernelLine = getLineByType(LT_MBMODULE, entry->lines); | ||
3793 | if (!kernelLine) | ||
3794 | continue; | ||
3795 | niro | 2263 | |
3796 | niro | 3002 | /* if title is supplied, the entry's title must match it. */ |
3797 | if (title) { | ||
3798 | char *linetitle; | ||
3799 | niro | 2962 | |
3800 | niro | 3002 | line = |
3801 | getLineByType(LT_TITLE | LT_MENUENTRY, | ||
3802 | entry->lines); | ||
3803 | if (!line) | ||
3804 | continue; | ||
3805 | niro | 2960 | |
3806 | niro | 3002 | linetitle = extractTitle(cfg, line); |
3807 | if (!linetitle) | ||
3808 | continue; | ||
3809 | if (strcmp(title, linetitle)) { | ||
3810 | free(linetitle); | ||
3811 | continue; | ||
3812 | } | ||
3813 | free(linetitle); | ||
3814 | } | ||
3815 | niro | 2960 | |
3816 | niro | 3002 | if (prefix) { |
3817 | int prefixLen = strlen(prefix); | ||
3818 | if (!strncmp(initrd, prefix, prefixLen)) | ||
3819 | initrd += prefixLen; | ||
3820 | } | ||
3821 | endLine = getLineByType(LT_ENTRY_END, entry->lines); | ||
3822 | if (endLine) | ||
3823 | removeLine(entry, endLine); | ||
3824 | line = | ||
3825 | addLine(entry, cfg->cfi, | ||
3826 | preferredLineType(LT_MBMODULE, cfg->cfi), | ||
3827 | kernelLine->indent, initrd); | ||
3828 | if (!line) | ||
3829 | return 1; | ||
3830 | if (endLine) { | ||
3831 | line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL); | ||
3832 | if (!line) | ||
3833 | return 1; | ||
3834 | } | ||
3835 | |||
3836 | break; | ||
3837 | niro | 2263 | } |
3838 | |||
3839 | niro | 3002 | return 0; |
3840 | niro | 2263 | } |
3841 | |||
3842 | niro | 3002 | int updateInitrd(struct grubConfig *cfg, const char *image, |
3843 | const char *prefix, const char *initrd, const char *title) | ||
3844 | { | ||
3845 | struct singleEntry *entry; | ||
3846 | struct singleLine *line, *kernelLine, *endLine = NULL; | ||
3847 | int index = 0; | ||
3848 | niro | 1156 | |
3849 | niro | 3002 | if (!image) |
3850 | return 0; | ||
3851 | niro | 1156 | |
3852 | niro | 3002 | for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
3853 | kernelLine = | ||
3854 | getLineByType(LT_KERNEL | LT_KERNEL_EFI | LT_KERNEL_16, | ||
3855 | entry->lines); | ||
3856 | if (!kernelLine) | ||
3857 | continue; | ||
3858 | niro | 1156 | |
3859 | niro | 3002 | /* if title is supplied, the entry's title must match it. */ |
3860 | if (title) { | ||
3861 | char *linetitle; | ||
3862 | niro | 2962 | |
3863 | niro | 3002 | line = |
3864 | getLineByType(LT_TITLE | LT_MENUENTRY, | ||
3865 | entry->lines); | ||
3866 | if (!line) | ||
3867 | continue; | ||
3868 | niro | 2960 | |
3869 | niro | 3002 | linetitle = extractTitle(cfg, line); |
3870 | if (!linetitle) | ||
3871 | continue; | ||
3872 | if (strcmp(title, linetitle)) { | ||
3873 | free(linetitle); | ||
3874 | continue; | ||
3875 | } | ||
3876 | free(linetitle); | ||
3877 | } | ||
3878 | niro | 2960 | |
3879 | niro | 3002 | line = |
3880 | getLineByType(LT_INITRD | LT_INITRD_EFI | LT_INITRD_16, | ||
3881 | entry->lines); | ||
3882 | if (line) | ||
3883 | removeLine(entry, line); | ||
3884 | if (prefix) { | ||
3885 | int prefixLen = strlen(prefix); | ||
3886 | if (!strncmp(initrd, prefix, prefixLen)) | ||
3887 | initrd += prefixLen; | ||
3888 | } | ||
3889 | endLine = getLineByType(LT_ENTRY_END, entry->lines); | ||
3890 | if (endLine) | ||
3891 | removeLine(entry, endLine); | ||
3892 | enum lineType_e lt; | ||
3893 | switch (kernelLine->type) { | ||
3894 | case LT_KERNEL: | ||
3895 | lt = LT_INITRD; | ||
3896 | break; | ||
3897 | case LT_KERNEL_EFI: | ||
3898 | lt = LT_INITRD_EFI; | ||
3899 | break; | ||
3900 | case LT_KERNEL_16: | ||
3901 | lt = LT_INITRD_16; | ||
3902 | break; | ||
3903 | default: | ||
3904 | lt = preferredLineType(LT_INITRD, cfg->cfi); | ||
3905 | } | ||
3906 | line = addLine(entry, cfg->cfi, lt, kernelLine->indent, initrd); | ||
3907 | if (!line) | ||
3908 | return 1; | ||
3909 | if (endLine) { | ||
3910 | line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL); | ||
3911 | if (!line) | ||
3912 | return 1; | ||
3913 | } | ||
3914 | |||
3915 | niro | 2683 | break; |
3916 | } | ||
3917 | niro | 1696 | |
3918 | niro | 3002 | return 0; |
3919 | niro | 1156 | } |
3920 | |||
3921 | niro | 3002 | int checkDeviceBootloader(const char *device, const unsigned char *boot) |
3922 | { | ||
3923 | int fd; | ||
3924 | unsigned char bootSect[512]; | ||
3925 | int offset; | ||
3926 | niro | 532 | |
3927 | niro | 3002 | fd = open(device, O_RDONLY); |
3928 | if (fd < 0) { | ||
3929 | fprintf(stderr, _("grubby: unable to open %s: %s\n"), | ||
3930 | device, strerror(errno)); | ||
3931 | return 1; | ||
3932 | } | ||
3933 | niro | 532 | |
3934 | niro | 3002 | if (read(fd, bootSect, 512) != 512) { |
3935 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
3936 | device, strerror(errno)); | ||
3937 | return 1; | ||
3938 | } | ||
3939 | close(fd); | ||
3940 | niro | 532 | |
3941 | niro | 3002 | /* first three bytes should match, a jmp short should be in there */ |
3942 | if (memcmp(boot, bootSect, 3)) | ||
3943 | return 0; | ||
3944 | niro | 532 | |
3945 | niro | 3002 | if (boot[1] == JMP_SHORT_OPCODE) { |
3946 | offset = boot[2] + 2; | ||
3947 | } else if (boot[1] == 0xe8 || boot[1] == 0xe9) { | ||
3948 | offset = (boot[3] << 8) + boot[2] + 2; | ||
3949 | } else if (boot[0] == JMP_SHORT_OPCODE) { | ||
3950 | offset = boot[1] + 2; | ||
3951 | /* | ||
3952 | * it looks like grub, when copying stage1 into the mbr, | ||
3953 | * patches stage1 right after the JMP location, replacing | ||
3954 | * other instructions such as JMPs for NOOPs. So, relax the | ||
3955 | * check a little bit by skipping those different bytes. | ||
3956 | */ | ||
3957 | if ((bootSect[offset + 1] == NOOP_OPCODE) | ||
3958 | && (bootSect[offset + 2] == NOOP_OPCODE)) { | ||
3959 | offset = offset + 3; | ||
3960 | } | ||
3961 | } else if (boot[0] == 0xe8 || boot[0] == 0xe9) { | ||
3962 | offset = (boot[2] << 8) + boot[1] + 2; | ||
3963 | } else { | ||
3964 | return 0; | ||
3965 | } | ||
3966 | niro | 532 | |
3967 | niro | 3002 | if (memcmp(boot + offset, bootSect + offset, CODE_SEG_SIZE)) |
3968 | return 0; | ||
3969 | niro | 532 | |
3970 | niro | 3002 | return 2; |
3971 | niro | 532 | } |
3972 | |||
3973 | niro | 3002 | int checkLiloOnRaid(char *mdDev, const unsigned char *boot) |
3974 | { | ||
3975 | int fd; | ||
3976 | char buf[65536]; | ||
3977 | char *end; | ||
3978 | char *chptr; | ||
3979 | char *chptr2; | ||
3980 | int rc; | ||
3981 | niro | 532 | |
3982 | niro | 3002 | /* it's on raid; we need to parse /proc/mdstat and check all of the |
3983 | *raw* devices listed in there */ | ||
3984 | niro | 532 | |
3985 | niro | 3002 | if (!strncmp(mdDev, "/dev/", 5)) |
3986 | mdDev += 5; | ||
3987 | niro | 532 | |
3988 | niro | 3002 | if ((fd = open("/proc/mdstat", O_RDONLY)) < 0) { |
3989 | fprintf(stderr, _("grubby: failed to open /proc/mdstat: %s\n"), | ||
3990 | strerror(errno)); | ||
3991 | return 2; | ||
3992 | } | ||
3993 | niro | 532 | |
3994 | niro | 3002 | rc = read(fd, buf, sizeof(buf) - 1); |
3995 | if (rc < 0 || rc == (sizeof(buf) - 1)) { | ||
3996 | fprintf(stderr, _("grubby: failed to read /proc/mdstat: %s\n"), | ||
3997 | strerror(errno)); | ||
3998 | close(fd); | ||
3999 | return 2; | ||
4000 | } | ||
4001 | niro | 532 | close(fd); |
4002 | niro | 3002 | buf[rc] = '\0'; |
4003 | niro | 532 | |
4004 | niro | 3002 | chptr = buf; |
4005 | while (*chptr) { | ||
4006 | end = strchr(chptr, '\n'); | ||
4007 | if (!end) | ||
4008 | break; | ||
4009 | *end = '\0'; | ||
4010 | niro | 532 | |
4011 | niro | 3002 | if (!strncmp(chptr, mdDev, strlen(mdDev)) && |
4012 | chptr[strlen(mdDev)] == ' ') { | ||
4013 | niro | 532 | |
4014 | niro | 3002 | /* found the device */ |
4015 | while (*chptr && *chptr != ':') | ||
4016 | chptr++; | ||
4017 | chptr++; | ||
4018 | while (*chptr && isspace(*chptr)) | ||
4019 | chptr++; | ||
4020 | niro | 532 | |
4021 | niro | 3002 | /* skip the "active" bit */ |
4022 | while (*chptr && !isspace(*chptr)) | ||
4023 | chptr++; | ||
4024 | while (*chptr && isspace(*chptr)) | ||
4025 | chptr++; | ||
4026 | niro | 532 | |
4027 | niro | 3002 | /* skip the raid level */ |
4028 | while (*chptr && !isspace(*chptr)) | ||
4029 | chptr++; | ||
4030 | while (*chptr && isspace(*chptr)) | ||
4031 | chptr++; | ||
4032 | niro | 532 | |
4033 | niro | 3002 | /* everything else is partition stuff */ |
4034 | while (*chptr) { | ||
4035 | chptr2 = chptr; | ||
4036 | while (*chptr2 && *chptr2 != '[') | ||
4037 | chptr2++; | ||
4038 | if (!*chptr2) | ||
4039 | break; | ||
4040 | niro | 532 | |
4041 | niro | 3002 | /* yank off the numbers at the end */ |
4042 | chptr2--; | ||
4043 | while (isdigit(*chptr2) && chptr2 > chptr) | ||
4044 | chptr2--; | ||
4045 | chptr2++; | ||
4046 | *chptr2 = '\0'; | ||
4047 | niro | 532 | |
4048 | niro | 3002 | /* Better, now we need the /dev/ back. We're |
4049 | * done with everything before this point, so | ||
4050 | * we can just put the /dev/ part there. | ||
4051 | * There will always be room. */ | ||
4052 | memcpy(chptr - 5, "/dev/", 5); | ||
4053 | rc = checkDeviceBootloader(chptr - 5, boot); | ||
4054 | if (rc != 2) { | ||
4055 | return rc; | ||
4056 | } | ||
4057 | |||
4058 | chptr = chptr2 + 1; | ||
4059 | /* skip the [11] bit */ | ||
4060 | while (*chptr && !isspace(*chptr)) | ||
4061 | chptr++; | ||
4062 | /* and move to the next one */ | ||
4063 | while (*chptr && isspace(*chptr)) | ||
4064 | chptr++; | ||
4065 | } | ||
4066 | |||
4067 | /* we're good to go */ | ||
4068 | return 2; | ||
4069 | niro | 532 | } |
4070 | |||
4071 | niro | 3002 | chptr = end + 1; |
4072 | niro | 532 | } |
4073 | |||
4074 | niro | 3002 | fprintf(stderr, |
4075 | _("grubby: raid device /dev/%s not found in /proc/mdstat\n"), | ||
4076 | mdDev); | ||
4077 | return 0; | ||
4078 | niro | 532 | } |
4079 | |||
4080 | niro | 3002 | int checkForLilo(struct grubConfig *config) |
4081 | { | ||
4082 | int fd; | ||
4083 | unsigned char boot[512]; | ||
4084 | struct singleLine *line; | ||
4085 | niro | 532 | |
4086 | niro | 3002 | for (line = config->theLines; line; line = line->next) |
4087 | if (line->type == LT_BOOT) | ||
4088 | break; | ||
4089 | niro | 532 | |
4090 | niro | 3002 | if (!line) { |
4091 | fprintf(stderr, | ||
4092 | _ | ||
4093 | ("grubby: no boot line found in lilo configuration\n")); | ||
4094 | return 1; | ||
4095 | } | ||
4096 | niro | 532 | |
4097 | niro | 3002 | if (line->numElements != 2) |
4098 | return 1; | ||
4099 | niro | 532 | |
4100 | niro | 3002 | fd = open("/boot/boot.b", O_RDONLY); |
4101 | if (fd < 0) { | ||
4102 | fprintf(stderr, _("grubby: unable to open %s: %s\n"), | ||
4103 | "/boot/boot.b", strerror(errno)); | ||
4104 | return 1; | ||
4105 | } | ||
4106 | niro | 532 | |
4107 | niro | 3002 | if (read(fd, boot, 512) != 512) { |
4108 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
4109 | "/boot/boot.b", strerror(errno)); | ||
4110 | return 1; | ||
4111 | } | ||
4112 | close(fd); | ||
4113 | niro | 532 | |
4114 | niro | 3002 | if (!strncmp("/dev/md", line->elements[1].item, 7)) |
4115 | return checkLiloOnRaid(line->elements[1].item, boot); | ||
4116 | niro | 532 | |
4117 | niro | 3002 | return checkDeviceBootloader(line->elements[1].item, boot); |
4118 | niro | 532 | } |
4119 | |||
4120 | niro | 3002 | int checkForGrub2(struct grubConfig *config) |
4121 | { | ||
4122 | if (!access("/etc/grub.d/", R_OK)) | ||
4123 | return 2; | ||
4124 | niro | 1696 | |
4125 | niro | 3002 | return 1; |
4126 | niro | 1696 | } |
4127 | |||
4128 | niro | 3002 | int checkForGrub(struct grubConfig *config) |
4129 | { | ||
4130 | int fd; | ||
4131 | unsigned char bootSect[512]; | ||
4132 | char *boot; | ||
4133 | int onSuse = isSuseSystem(); | ||
4134 | niro | 532 | |
4135 | niro | 3002 | if (onSuse) { |
4136 | if (parseSuseGrubConf(NULL, &boot)) | ||
4137 | return 0; | ||
4138 | } else { | ||
4139 | if (parseSysconfigGrub(NULL, &boot)) | ||
4140 | return 0; | ||
4141 | } | ||
4142 | niro | 1851 | |
4143 | niro | 3002 | /* assume grub is not installed -- not an error condition */ |
4144 | if (!boot) | ||
4145 | return 0; | ||
4146 | niro | 532 | |
4147 | niro | 3002 | fd = open("/boot/grub/stage1", O_RDONLY); |
4148 | if (fd < 0) | ||
4149 | /* this doesn't exist if grub hasn't been installed */ | ||
4150 | return 0; | ||
4151 | niro | 532 | |
4152 | niro | 3002 | if (read(fd, bootSect, 512) != 512) { |
4153 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
4154 | "/boot/grub/stage1", strerror(errno)); | ||
4155 | close(fd); | ||
4156 | return 1; | ||
4157 | } | ||
4158 | close(fd); | ||
4159 | niro | 532 | |
4160 | niro | 3002 | /* The more elaborate checks do not work on SuSE. The checks done |
4161 | * seem to be reasonble (at least for now), so just return success | ||
4162 | */ | ||
4163 | if (onSuse) | ||
4164 | return 2; | ||
4165 | niro | 532 | |
4166 | niro | 3002 | return checkDeviceBootloader(boot, bootSect); |
4167 | niro | 532 | } |
4168 | |||
4169 | niro | 3002 | int checkForExtLinux(struct grubConfig *config) |
4170 | { | ||
4171 | int fd; | ||
4172 | unsigned char bootSect[512]; | ||
4173 | char *boot; | ||
4174 | char executable[] = "/boot/extlinux/extlinux"; | ||
4175 | niro | 914 | |
4176 | niro | 3002 | printf("entered: checkForExtLinux()\n"); |
4177 | niro | 914 | |
4178 | niro | 3002 | if (parseSysconfigGrub(NULL, &boot)) |
4179 | return 0; | ||
4180 | niro | 914 | |
4181 | niro | 3002 | /* assume grub is not installed -- not an error condition */ |
4182 | if (!boot) | ||
4183 | return 0; | ||
4184 | niro | 914 | |
4185 | niro | 3002 | fd = open(executable, O_RDONLY); |
4186 | if (fd < 0) | ||
4187 | /* this doesn't exist if grub hasn't been installed */ | ||
4188 | return 0; | ||
4189 | niro | 914 | |
4190 | niro | 3002 | if (read(fd, bootSect, 512) != 512) { |
4191 | fprintf(stderr, _("grubby: unable to read %s: %s\n"), | ||
4192 | executable, strerror(errno)); | ||
4193 | return 1; | ||
4194 | } | ||
4195 | close(fd); | ||
4196 | niro | 914 | |
4197 | niro | 3002 | return checkDeviceBootloader(boot, bootSect); |
4198 | niro | 914 | } |
4199 | |||
4200 | niro | 3002 | int checkForYaboot(struct grubConfig *config) |
4201 | { | ||
4202 | /* | ||
4203 | * This is a simplistic check that we consider good enough for own puporses | ||
4204 | * | ||
4205 | * If we were to properly check if yaboot is *installed* we'd need to: | ||
4206 | * 1) get the system boot device (LT_BOOT) | ||
4207 | * 2) considering it's a raw filesystem, check if the yaboot binary matches | ||
4208 | * the content on the boot device | ||
4209 | * 3) if not, copy the binary to a temporary file and run "addnote" on it | ||
4210 | * 4) check again if binary and boot device contents match | ||
4211 | */ | ||
4212 | if (!access("/etc/yaboot.conf", R_OK)) | ||
4213 | return 2; | ||
4214 | niro | 1853 | |
4215 | niro | 3002 | return 1; |
4216 | niro | 1853 | } |
4217 | |||
4218 | niro | 3002 | int checkForElilo(struct grubConfig *config) |
4219 | { | ||
4220 | if (!access("/etc/elilo.conf", R_OK)) | ||
4221 | return 2; | ||
4222 | niro | 1854 | |
4223 | niro | 3002 | return 1; |
4224 | niro | 1854 | } |
4225 | |||
4226 | niro | 3002 | static char *getRootSpecifier(char *str) |
4227 | { | ||
4228 | char *idx, *rootspec = NULL; | ||
4229 | niro | 532 | |
4230 | niro | 3002 | if (*str == '(') { |
4231 | idx = rootspec = strdup(str); | ||
4232 | while (*idx && (*idx != ')') && (!isspace(*idx))) | ||
4233 | idx++; | ||
4234 | *(++idx) = '\0'; | ||
4235 | } | ||
4236 | return rootspec; | ||
4237 | niro | 532 | } |
4238 | |||
4239 | niro | 3002 | static char *getInitrdVal(struct grubConfig *config, |
4240 | const char *prefix, struct singleLine *tmplLine, | ||
4241 | const char *newKernelInitrd, | ||
4242 | const char **extraInitrds, int extraInitrdCount) | ||
4243 | niro | 914 | { |
4244 | niro | 3002 | char *initrdVal, *end; |
4245 | int i; | ||
4246 | size_t totalSize; | ||
4247 | size_t prefixLen; | ||
4248 | char separatorChar; | ||
4249 | niro | 914 | |
4250 | niro | 3002 | prefixLen = strlen(prefix); |
4251 | totalSize = strlen(newKernelInitrd) - prefixLen + 1 /* \0 */ ; | ||
4252 | niro | 914 | |
4253 | niro | 3002 | for (i = 0; i < extraInitrdCount; i++) { |
4254 | totalSize += sizeof(separatorChar); | ||
4255 | totalSize += strlen(extraInitrds[i]) - prefixLen; | ||
4256 | } | ||
4257 | niro | 914 | |
4258 | niro | 3002 | initrdVal = end = malloc(totalSize); |
4259 | niro | 914 | |
4260 | niro | 3002 | end = stpcpy(end, newKernelInitrd + prefixLen); |
4261 | niro | 914 | |
4262 | niro | 3002 | separatorChar = getKeywordByType(LT_INITRD, config->cfi)->separatorChar; |
4263 | for (i = 0; i < extraInitrdCount; i++) { | ||
4264 | const char *extraInitrd; | ||
4265 | int j; | ||
4266 | niro | 914 | |
4267 | niro | 3002 | extraInitrd = extraInitrds[i] + prefixLen; |
4268 | /* Don't add entries that are already there */ | ||
4269 | if (tmplLine != NULL) { | ||
4270 | for (j = 2; j < tmplLine->numElements; j++) | ||
4271 | if (strcmp | ||
4272 | (extraInitrd, | ||
4273 | tmplLine->elements[j].item) == 0) | ||
4274 | break; | ||
4275 | niro | 914 | |
4276 | niro | 3002 | if (j != tmplLine->numElements) |
4277 | continue; | ||
4278 | } | ||
4279 | |||
4280 | *end++ = separatorChar; | ||
4281 | end = stpcpy(end, extraInitrd); | ||
4282 | niro | 914 | } |
4283 | |||
4284 | niro | 3002 | return initrdVal; |
4285 | niro | 914 | } |
4286 | |||
4287 | niro | 3002 | int addNewKernel(struct grubConfig *config, struct singleEntry *template, |
4288 | const char *prefix, | ||
4289 | const char *newKernelPath, const char *newKernelTitle, | ||
4290 | const char *newKernelArgs, const char *newKernelInitrd, | ||
4291 | const char **extraInitrds, int extraInitrdCount, | ||
4292 | const char *newMBKernel, const char *newMBKernelArgs, | ||
4293 | niro | 3007 | const char *newDevTreePath, int newIndex) |
4294 | niro | 3002 | { |
4295 | niro | 3007 | struct singleEntry *new, *entry, *prev = NULL; |
4296 | niro | 3002 | struct singleLine *newLine = NULL, *tmplLine = NULL, *masterLine = NULL; |
4297 | int needs; | ||
4298 | niro | 3010 | char *indexs; |
4299 | niro | 3002 | char *chptr; |
4300 | niro | 3010 | int rc; |
4301 | niro | 532 | |
4302 | niro | 3002 | if (!newKernelPath) |
4303 | return 0; | ||
4304 | niro | 532 | |
4305 | niro | 3010 | rc = asprintf(&indexs, "%d", newIndex); |
4306 | if (rc < 0) | ||
4307 | return 1; | ||
4308 | |||
4309 | niro | 3002 | /* if the newKernelTitle is too long silently munge it into something |
4310 | * we can live with. truncating is first check, then we'll just mess with | ||
4311 | * it until it looks better */ | ||
4312 | if (config->cfi->maxTitleLength && | ||
4313 | niro | 532 | (strlen(newKernelTitle) > config->cfi->maxTitleLength)) { |
4314 | niro | 3002 | char *buf = alloca(config->cfi->maxTitleLength + 7); |
4315 | char *numBuf = alloca(config->cfi->maxTitleLength + 1); | ||
4316 | int i = 1; | ||
4317 | niro | 532 | |
4318 | niro | 3002 | sprintf(buf, "TITLE=%.*s", config->cfi->maxTitleLength, |
4319 | newKernelTitle); | ||
4320 | while (findEntryByPath(config, buf, NULL, NULL)) { | ||
4321 | sprintf(numBuf, "%d", i++); | ||
4322 | strcpy(buf + strlen(buf) - strlen(numBuf), numBuf); | ||
4323 | } | ||
4324 | |||
4325 | newKernelTitle = buf + 6; | ||
4326 | niro | 532 | } |
4327 | |||
4328 | niro | 3002 | new = malloc(sizeof(*new)); |
4329 | new->skip = 0; | ||
4330 | new->multiboot = 0; | ||
4331 | new->lines = NULL; | ||
4332 | niro | 3007 | entry = config->entries; |
4333 | for (unsigned int i = 0; i < newIndex; i++) { | ||
4334 | if (!entry) | ||
4335 | break; | ||
4336 | prev = entry; | ||
4337 | entry = entry->next; | ||
4338 | } | ||
4339 | new->next = entry; | ||
4340 | niro | 532 | |
4341 | niro | 3007 | if (prev) |
4342 | prev->next = new; | ||
4343 | else | ||
4344 | config->entries = new; | ||
4345 | |||
4346 | niro | 3002 | /* copy/update from the template */ |
4347 | needs = NEED_KERNEL | NEED_TITLE; | ||
4348 | if (newKernelInitrd) | ||
4349 | needs |= NEED_INITRD; | ||
4350 | if (newMBKernel) { | ||
4351 | needs |= NEED_MB; | ||
4352 | new->multiboot = 1; | ||
4353 | } | ||
4354 | if (newDevTreePath && getKeywordByType(LT_DEVTREE, config->cfi)) | ||
4355 | needs |= NEED_DEVTREE; | ||
4356 | niro | 532 | |
4357 | niro | 3002 | if (template) { |
4358 | for (masterLine = template->lines; | ||
4359 | masterLine && (tmplLine = lineDup(masterLine)); | ||
4360 | lineFree(tmplLine), masterLine = masterLine->next) { | ||
4361 | dbgPrintf("addNewKernel processing %d\n", | ||
4362 | tmplLine->type); | ||
4363 | niro | 532 | |
4364 | niro | 3002 | /* skip comments */ |
4365 | chptr = tmplLine->indent; | ||
4366 | while (*chptr && isspace(*chptr)) | ||
4367 | chptr++; | ||
4368 | if (*chptr == '#') | ||
4369 | continue; | ||
4370 | niro | 532 | |
4371 | niro | 3002 | if (iskernel(tmplLine->type) |
4372 | && tmplLine->numElements >= 2) { | ||
4373 | if (!template->multiboot && (needs & NEED_MB)) { | ||
4374 | /* it's not a multiboot template and | ||
4375 | * this is the kernel line. Try to | ||
4376 | * be intelligent about inserting the | ||
4377 | * hypervisor at the same time. | ||
4378 | */ | ||
4379 | if (config->cfi->mbHyperFirst) { | ||
4380 | /* insert the hypervisor first */ | ||
4381 | newLine = | ||
4382 | addLine(new, config->cfi, | ||
4383 | LT_HYPER, | ||
4384 | tmplLine->indent, | ||
4385 | newMBKernel + | ||
4386 | strlen(prefix)); | ||
4387 | /* set up for adding the | ||
4388 | * kernel line */ | ||
4389 | free(tmplLine->indent); | ||
4390 | tmplLine->indent = | ||
4391 | strdup(config-> | ||
4392 | secondaryIndent); | ||
4393 | needs &= ~NEED_MB; | ||
4394 | } | ||
4395 | if (needs & NEED_KERNEL) { | ||
4396 | /* use addLineTmpl to | ||
4397 | * preserve line elements, | ||
4398 | * otherwise we could just | ||
4399 | * call addLine. | ||
4400 | * Unfortunately this means | ||
4401 | * making some changes to the | ||
4402 | * template such as the | ||
4403 | * indent change above and | ||
4404 | * the type change below. | ||
4405 | */ | ||
4406 | struct keywordTypes *mbm_kw = | ||
4407 | getKeywordByType | ||
4408 | (LT_MBMODULE, config->cfi); | ||
4409 | if (mbm_kw) { | ||
4410 | tmplLine->type = | ||
4411 | LT_MBMODULE; | ||
4412 | free(tmplLine-> | ||
4413 | elements[0].item); | ||
4414 | tmplLine->elements[0]. | ||
4415 | item = | ||
4416 | strdup(mbm_kw->key); | ||
4417 | } | ||
4418 | newLine = | ||
4419 | addLineTmpl(new, tmplLine, | ||
4420 | newLine, | ||
4421 | newKernelPath + | ||
4422 | strlen(prefix), | ||
4423 | config->cfi); | ||
4424 | needs &= ~NEED_KERNEL; | ||
4425 | } | ||
4426 | if (needs & NEED_MB) { /* !mbHyperFirst */ | ||
4427 | newLine = | ||
4428 | addLine(new, config->cfi, | ||
4429 | LT_HYPER, | ||
4430 | config-> | ||
4431 | secondaryIndent, | ||
4432 | newMBKernel + | ||
4433 | strlen(prefix)); | ||
4434 | needs &= ~NEED_MB; | ||
4435 | } | ||
4436 | } else if (needs & NEED_KERNEL) { | ||
4437 | newLine = | ||
4438 | addLineTmpl(new, tmplLine, newLine, | ||
4439 | newKernelPath + | ||
4440 | strlen(prefix), | ||
4441 | config->cfi); | ||
4442 | needs &= ~NEED_KERNEL; | ||
4443 | } | ||
4444 | niro | 532 | |
4445 | niro | 3002 | } else if (tmplLine->type == LT_HYPER && |
4446 | tmplLine->numElements >= 2) { | ||
4447 | if (needs & NEED_MB) { | ||
4448 | newLine = | ||
4449 | addLineTmpl(new, tmplLine, newLine, | ||
4450 | newMBKernel + | ||
4451 | strlen(prefix), | ||
4452 | config->cfi); | ||
4453 | needs &= ~NEED_MB; | ||
4454 | } | ||
4455 | niro | 532 | |
4456 | niro | 3002 | } else if (tmplLine->type == LT_MBMODULE && |
4457 | tmplLine->numElements >= 2) { | ||
4458 | if (new->multiboot) { | ||
4459 | if (needs & NEED_KERNEL) { | ||
4460 | newLine = | ||
4461 | addLineTmpl(new, tmplLine, | ||
4462 | newLine, | ||
4463 | newKernelPath + | ||
4464 | strlen(prefix), | ||
4465 | config->cfi); | ||
4466 | needs &= ~NEED_KERNEL; | ||
4467 | } else if (config->cfi->mbInitRdIsModule | ||
4468 | && (needs & NEED_INITRD)) { | ||
4469 | char *initrdVal; | ||
4470 | initrdVal = | ||
4471 | getInitrdVal(config, prefix, | ||
4472 | tmplLine, | ||
4473 | newKernelInitrd, | ||
4474 | extraInitrds, | ||
4475 | extraInitrdCount); | ||
4476 | newLine = | ||
4477 | addLineTmpl(new, tmplLine, | ||
4478 | newLine, | ||
4479 | initrdVal, | ||
4480 | config->cfi); | ||
4481 | free(initrdVal); | ||
4482 | needs &= ~NEED_INITRD; | ||
4483 | } | ||
4484 | } else if (needs & NEED_KERNEL) { | ||
4485 | /* template is multi but new is not, | ||
4486 | * insert the kernel in the first | ||
4487 | * module slot | ||
4488 | */ | ||
4489 | tmplLine->type = | ||
4490 | preferredLineType(LT_KERNEL, | ||
4491 | config->cfi); | ||
4492 | free(tmplLine->elements[0].item); | ||
4493 | tmplLine->elements[0].item = | ||
4494 | strdup(getKeywordByType | ||
4495 | (tmplLine->type, | ||
4496 | config->cfi)->key); | ||
4497 | newLine = | ||
4498 | addLineTmpl(new, tmplLine, newLine, | ||
4499 | newKernelPath + | ||
4500 | strlen(prefix), | ||
4501 | config->cfi); | ||
4502 | needs &= ~NEED_KERNEL; | ||
4503 | } else if (needs & NEED_INITRD) { | ||
4504 | char *initrdVal; | ||
4505 | /* template is multi but new is not, | ||
4506 | * insert the initrd in the second | ||
4507 | * module slot | ||
4508 | */ | ||
4509 | tmplLine->type = | ||
4510 | preferredLineType(LT_INITRD, | ||
4511 | config->cfi); | ||
4512 | free(tmplLine->elements[0].item); | ||
4513 | tmplLine->elements[0].item = | ||
4514 | strdup(getKeywordByType | ||
4515 | (tmplLine->type, | ||
4516 | config->cfi)->key); | ||
4517 | initrdVal = | ||
4518 | getInitrdVal(config, prefix, | ||
4519 | tmplLine, | ||
4520 | newKernelInitrd, | ||
4521 | extraInitrds, | ||
4522 | extraInitrdCount); | ||
4523 | newLine = | ||
4524 | addLineTmpl(new, tmplLine, newLine, | ||
4525 | initrdVal, config->cfi); | ||
4526 | free(initrdVal); | ||
4527 | needs &= ~NEED_INITRD; | ||
4528 | } | ||
4529 | niro | 532 | |
4530 | niro | 3002 | } else if (isinitrd(tmplLine->type) |
4531 | && tmplLine->numElements >= 2) { | ||
4532 | if (needs & NEED_INITRD && new->multiboot | ||
4533 | && !template->multiboot | ||
4534 | && config->cfi->mbInitRdIsModule) { | ||
4535 | /* make sure we don't insert the | ||
4536 | * module initrd before the module | ||
4537 | * kernel... if we don't do it here, | ||
4538 | * it will be inserted following the | ||
4539 | * template. | ||
4540 | */ | ||
4541 | if (!needs & NEED_KERNEL) { | ||
4542 | char *initrdVal; | ||
4543 | niro | 532 | |
4544 | niro | 3002 | initrdVal = |
4545 | getInitrdVal(config, prefix, | ||
4546 | tmplLine, | ||
4547 | newKernelInitrd, | ||
4548 | extraInitrds, | ||
4549 | extraInitrdCount); | ||
4550 | newLine = | ||
4551 | addLine(new, config->cfi, | ||
4552 | LT_MBMODULE, | ||
4553 | config-> | ||
4554 | secondaryIndent, | ||
4555 | initrdVal); | ||
4556 | free(initrdVal); | ||
4557 | needs &= ~NEED_INITRD; | ||
4558 | } | ||
4559 | } else if (needs & NEED_INITRD) { | ||
4560 | char *initrdVal; | ||
4561 | initrdVal = | ||
4562 | getInitrdVal(config, prefix, | ||
4563 | tmplLine, | ||
4564 | newKernelInitrd, | ||
4565 | extraInitrds, | ||
4566 | extraInitrdCount); | ||
4567 | newLine = | ||
4568 | addLineTmpl(new, tmplLine, newLine, | ||
4569 | initrdVal, config->cfi); | ||
4570 | free(initrdVal); | ||
4571 | needs &= ~NEED_INITRD; | ||
4572 | } | ||
4573 | niro | 532 | |
4574 | niro | 3002 | } else if (tmplLine->type == LT_MENUENTRY && |
4575 | (needs & NEED_TITLE)) { | ||
4576 | requote(tmplLine, config->cfi); | ||
4577 | char *nkt = malloc(strlen(newKernelTitle) + 3); | ||
4578 | strcpy(nkt, "'"); | ||
4579 | strcat(nkt, newKernelTitle); | ||
4580 | strcat(nkt, "'"); | ||
4581 | newLine = | ||
4582 | addLineTmpl(new, tmplLine, newLine, nkt, | ||
4583 | config->cfi); | ||
4584 | free(nkt); | ||
4585 | needs &= ~NEED_TITLE; | ||
4586 | } else if (tmplLine->type == LT_TITLE && | ||
4587 | (needs & NEED_TITLE)) { | ||
4588 | if (tmplLine->numElements >= 2) { | ||
4589 | newLine = | ||
4590 | addLineTmpl(new, tmplLine, newLine, | ||
4591 | newKernelTitle, | ||
4592 | config->cfi); | ||
4593 | needs &= ~NEED_TITLE; | ||
4594 | } else if (tmplLine->numElements == 1 && | ||
4595 | config->cfi->titleBracketed) { | ||
4596 | /* addLineTmpl doesn't handle | ||
4597 | * titleBracketed */ | ||
4598 | newLine = | ||
4599 | addLine(new, config->cfi, LT_TITLE, | ||
4600 | tmplLine->indent, | ||
4601 | newKernelTitle); | ||
4602 | needs &= ~NEED_TITLE; | ||
4603 | } | ||
4604 | } else if (tmplLine->type == LT_ECHO) { | ||
4605 | requote(tmplLine, config->cfi); | ||
4606 | static const char *prefix = "'Loading "; | ||
4607 | if (tmplLine->numElements > 1 && | ||
4608 | strstr(tmplLine->elements[1].item, prefix) | ||
4609 | && masterLine->next | ||
4610 | && iskernel(masterLine->next->type)) { | ||
4611 | char *newTitle = | ||
4612 | malloc(strlen(prefix) + | ||
4613 | strlen(newKernelTitle) + 2); | ||
4614 | niro | 532 | |
4615 | niro | 3002 | strcpy(newTitle, prefix); |
4616 | strcat(newTitle, newKernelTitle); | ||
4617 | strcat(newTitle, "'"); | ||
4618 | newLine = | ||
4619 | addLine(new, config->cfi, LT_ECHO, | ||
4620 | tmplLine->indent, newTitle); | ||
4621 | free(newTitle); | ||
4622 | } else { | ||
4623 | /* pass through other lines from the | ||
4624 | * template */ | ||
4625 | newLine = | ||
4626 | addLineTmpl(new, tmplLine, newLine, | ||
4627 | NULL, config->cfi); | ||
4628 | } | ||
4629 | } else if (tmplLine->type == LT_DEVTREE && | ||
4630 | tmplLine->numElements == 2 | ||
4631 | && newDevTreePath) { | ||
4632 | newLine = | ||
4633 | addLineTmpl(new, tmplLine, newLine, | ||
4634 | newDevTreePath + strlen(prefix), | ||
4635 | niro | 1696 | config->cfi); |
4636 | niro | 3002 | needs &= ~NEED_DEVTREE; |
4637 | } else if (tmplLine->type == LT_ENTRY_END | ||
4638 | && needs & NEED_DEVTREE) { | ||
4639 | const char *ndtp = newDevTreePath; | ||
4640 | if (!strncmp | ||
4641 | (newDevTreePath, prefix, strlen(prefix))) | ||
4642 | ndtp += strlen(prefix); | ||
4643 | newLine = addLine(new, config->cfi, LT_DEVTREE, | ||
4644 | config->secondaryIndent, | ||
4645 | ndtp); | ||
4646 | needs &= ~NEED_DEVTREE; | ||
4647 | newLine = | ||
4648 | addLineTmpl(new, tmplLine, newLine, NULL, | ||
4649 | config->cfi); | ||
4650 | } else { | ||
4651 | /* pass through other lines from the template */ | ||
4652 | newLine = | ||
4653 | addLineTmpl(new, tmplLine, newLine, NULL, | ||
4654 | config->cfi); | ||
4655 | } | ||
4656 | niro | 914 | } |
4657 | |||
4658 | niro | 3002 | } else { |
4659 | /* don't have a template, so start the entry with the | ||
4660 | * appropriate starting line | ||
4661 | */ | ||
4662 | switch (config->cfi->entryStart) { | ||
4663 | case LT_KERNEL: | ||
4664 | case LT_KERNEL_EFI: | ||
4665 | case LT_KERNEL_16: | ||
4666 | if (new->multiboot && config->cfi->mbHyperFirst) { | ||
4667 | /* fall through to LT_HYPER */ | ||
4668 | } else { | ||
4669 | newLine = addLine(new, config->cfi, | ||
4670 | preferredLineType(LT_KERNEL, | ||
4671 | config-> | ||
4672 | cfi), | ||
4673 | config->primaryIndent, | ||
4674 | newKernelPath + | ||
4675 | strlen(prefix)); | ||
4676 | needs &= ~NEED_KERNEL; | ||
4677 | break; | ||
4678 | } | ||
4679 | niro | 532 | |
4680 | niro | 3002 | case LT_HYPER: |
4681 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
4682 | config->primaryIndent, | ||
4683 | newMBKernel + strlen(prefix)); | ||
4684 | needs &= ~NEED_MB; | ||
4685 | break; | ||
4686 | niro | 914 | |
4687 | niro | 3002 | case LT_MENUENTRY:{ |
4688 | char *nkt = malloc(strlen(newKernelTitle) + 3); | ||
4689 | strcpy(nkt, "'"); | ||
4690 | strcat(nkt, newKernelTitle); | ||
4691 | strcat(nkt, "'"); | ||
4692 | newLine = | ||
4693 | addLine(new, config->cfi, LT_MENUENTRY, | ||
4694 | config->primaryIndent, nkt); | ||
4695 | free(nkt); | ||
4696 | needs &= ~NEED_TITLE; | ||
4697 | needs |= NEED_END; | ||
4698 | break; | ||
4699 | } | ||
4700 | case LT_TITLE: | ||
4701 | if (useextlinuxmenu != 0) { // We just need useextlinuxmenu to not be zero (set above) | ||
4702 | char *templabel; | ||
4703 | int x = 0, y = 0; | ||
4704 | |||
4705 | templabel = strdup(newKernelTitle); | ||
4706 | while (templabel[x]) { | ||
4707 | if (templabel[x] == ' ') { | ||
4708 | y = x; | ||
4709 | while (templabel[y]) { | ||
4710 | templabel[y] = | ||
4711 | templabel[y + 1]; | ||
4712 | y++; | ||
4713 | } | ||
4714 | niro | 914 | } |
4715 | niro | 3002 | x++; |
4716 | niro | 914 | } |
4717 | niro | 3002 | newLine = addLine(new, config->cfi, LT_TITLE, |
4718 | config->primaryIndent, | ||
4719 | templabel); | ||
4720 | free(templabel); | ||
4721 | } else { | ||
4722 | newLine = addLine(new, config->cfi, LT_TITLE, | ||
4723 | config->primaryIndent, | ||
4724 | newKernelTitle); | ||
4725 | niro | 914 | } |
4726 | niro | 3002 | needs &= ~NEED_TITLE; |
4727 | break; | ||
4728 | |||
4729 | default: | ||
4730 | abort(); | ||
4731 | niro | 914 | } |
4732 | niro | 3002 | } |
4733 | niro | 914 | |
4734 | niro | 3002 | struct singleLine *endLine = NULL; |
4735 | endLine = getLineByType(LT_ENTRY_END, new->lines); | ||
4736 | if (endLine) { | ||
4737 | removeLine(new, endLine); | ||
4738 | needs |= NEED_END; | ||
4739 | niro | 532 | } |
4740 | |||
4741 | niro | 3002 | /* add the remainder of the lines, i.e. those that either |
4742 | * weren't present in the template, or in the case of no template, | ||
4743 | * all the lines following the entryStart. | ||
4744 | */ | ||
4745 | if (needs & NEED_TITLE) { | ||
4746 | newLine = addLine(new, config->cfi, LT_TITLE, | ||
4747 | config->secondaryIndent, newKernelTitle); | ||
4748 | needs &= ~NEED_TITLE; | ||
4749 | } | ||
4750 | if ((needs & NEED_MB) && config->cfi->mbHyperFirst) { | ||
4751 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
4752 | config->secondaryIndent, | ||
4753 | newMBKernel + strlen(prefix)); | ||
4754 | needs &= ~NEED_MB; | ||
4755 | } | ||
4756 | if (needs & NEED_KERNEL) { | ||
4757 | newLine = addLine(new, config->cfi, | ||
4758 | (new->multiboot | ||
4759 | && getKeywordByType(LT_MBMODULE, | ||
4760 | config->cfi)) | ||
4761 | ? LT_MBMODULE : preferredLineType(LT_KERNEL, | ||
4762 | config-> | ||
4763 | cfi), | ||
4764 | config->secondaryIndent, | ||
4765 | newKernelPath + strlen(prefix)); | ||
4766 | needs &= ~NEED_KERNEL; | ||
4767 | } | ||
4768 | if (needs & NEED_MB) { | ||
4769 | newLine = addLine(new, config->cfi, LT_HYPER, | ||
4770 | config->secondaryIndent, | ||
4771 | newMBKernel + strlen(prefix)); | ||
4772 | needs &= ~NEED_MB; | ||
4773 | } | ||
4774 | if (needs & NEED_INITRD) { | ||
4775 | char *initrdVal; | ||
4776 | initrdVal = | ||
4777 | getInitrdVal(config, prefix, NULL, newKernelInitrd, | ||
4778 | extraInitrds, extraInitrdCount); | ||
4779 | newLine = | ||
4780 | addLine(new, config->cfi, | ||
4781 | (new->multiboot | ||
4782 | && getKeywordByType(LT_MBMODULE, config->cfi)) | ||
4783 | ? LT_MBMODULE : preferredLineType(LT_INITRD, | ||
4784 | config->cfi), | ||
4785 | config->secondaryIndent, initrdVal); | ||
4786 | free(initrdVal); | ||
4787 | needs &= ~NEED_INITRD; | ||
4788 | } | ||
4789 | if (needs & NEED_DEVTREE) { | ||
4790 | newLine = addLine(new, config->cfi, LT_DEVTREE, | ||
4791 | config->secondaryIndent, newDevTreePath); | ||
4792 | needs &= ~NEED_DEVTREE; | ||
4793 | } | ||
4794 | niro | 2709 | |
4795 | niro | 3002 | /* NEEDS_END must be last on bootloaders that need it... */ |
4796 | if (needs & NEED_END) { | ||
4797 | newLine = addLine(new, config->cfi, LT_ENTRY_END, | ||
4798 | config->secondaryIndent, NULL); | ||
4799 | needs &= ~NEED_END; | ||
4800 | } | ||
4801 | niro | 2685 | |
4802 | niro | 3002 | if (needs) { |
4803 | printf(_("grubby: needs=%d, aborting\n"), needs); | ||
4804 | abort(); | ||
4805 | } | ||
4806 | niro | 2709 | |
4807 | niro | 3010 | if (updateImage(config, indexs, prefix, newKernelArgs, NULL, |
4808 | niro | 3019 | newMBKernelArgs, NULL)) { |
4809 | config->isModified = 1; | ||
4810 | niro | 3002 | return 1; |
4811 | niro | 3019 | } |
4812 | niro | 914 | |
4813 | niro | 3002 | return 0; |
4814 | niro | 532 | } |
4815 | |||
4816 | niro | 3002 | int main(int argc, const char **argv) |
4817 | { | ||
4818 | poptContext optCon; | ||
4819 | const char *grubConfig = NULL; | ||
4820 | char *outputFile = NULL; | ||
4821 | int arg = 0; | ||
4822 | int flags = 0; | ||
4823 | int badImageOkay = 0; | ||
4824 | int configureGrub2 = 0; | ||
4825 | int configureLilo = 0, configureELilo = 0, configureGrub = 0; | ||
4826 | int configureYaboot = 0, configureSilo = 0, configureZipl = 0; | ||
4827 | int configureExtLinux = 0; | ||
4828 | int bootloaderProbe = 0; | ||
4829 | int extraInitrdCount = 0; | ||
4830 | char *updateKernelPath = NULL; | ||
4831 | char *newKernelPath = NULL; | ||
4832 | char *removeKernelPath = NULL; | ||
4833 | char *newKernelArgs = NULL; | ||
4834 | char *newKernelInitrd = NULL; | ||
4835 | char *newKernelTitle = NULL; | ||
4836 | char *newDevTreePath = NULL; | ||
4837 | char *newMBKernel = NULL; | ||
4838 | char *newMBKernelArgs = NULL; | ||
4839 | niro | 3007 | int newIndex = 0; |
4840 | niro | 3002 | char *removeMBKernelArgs = NULL; |
4841 | char *removeMBKernel = NULL; | ||
4842 | char *bootPrefix = NULL; | ||
4843 | char *defaultKernel = NULL; | ||
4844 | char *removeArgs = NULL; | ||
4845 | char *kernelInfo = NULL; | ||
4846 | char *extraInitrds[MAX_EXTRA_INITRDS] = { NULL }; | ||
4847 | char *envPath = NULL; | ||
4848 | const char *chptr = NULL; | ||
4849 | struct configFileInfo *cfi = NULL; | ||
4850 | struct grubConfig *config; | ||
4851 | struct singleEntry *template = NULL; | ||
4852 | int copyDefault = 0, makeDefault = 0; | ||
4853 | int displayDefault = 0; | ||
4854 | int displayDefaultIndex = 0; | ||
4855 | int displayDefaultTitle = 0; | ||
4856 | int defaultIndex = -1; | ||
4857 | struct poptOption options[] = { | ||
4858 | {"add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0, | ||
4859 | _("add an entry for the specified kernel"), _("kernel-path")}, | ||
4860 | {"add-multiboot", 0, POPT_ARG_STRING, &newMBKernel, 0, | ||
4861 | _("add an entry for the specified multiboot kernel"), NULL}, | ||
4862 | {"args", 0, POPT_ARG_STRING, &newKernelArgs, 0, | ||
4863 | _("default arguments for the new kernel or new arguments for " | ||
4864 | "kernel being updated"), _("args")}, | ||
4865 | {"mbargs", 0, POPT_ARG_STRING, &newMBKernelArgs, 0, | ||
4866 | _("default arguments for the new multiboot kernel or " | ||
4867 | "new arguments for multiboot kernel being updated"), NULL}, | ||
4868 | {"bad-image-okay", 0, 0, &badImageOkay, 0, | ||
4869 | _ | ||
4870 | ("don't sanity check images in boot entries (for testing only)"), | ||
4871 | NULL}, | ||
4872 | {"boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0, | ||
4873 | _ | ||
4874 | niro | 3014 | ("filesystem which contains /boot directory (for testing only)"), |
4875 | niro | 3002 | _("bootfs")}, |
4876 | niro | 1854 | #if defined(__i386__) || defined(__x86_64__) || defined (__powerpc64__) || defined (__ia64__) |
4877 | niro | 3002 | {"bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0, |
4878 | _("check which bootloader is installed on boot sector")}, | ||
4879 | niro | 532 | #endif |
4880 | niro | 3002 | {"config-file", 'c', POPT_ARG_STRING, &grubConfig, 0, |
4881 | _("path to grub config file to update (\"-\" for stdin)"), | ||
4882 | _("path")}, | ||
4883 | {"copy-default", 0, 0, ©Default, 0, | ||
4884 | _("use the default boot entry as a template for the new entry " | ||
4885 | "being added; if the default is not a linux image, or if " | ||
4886 | "the kernel referenced by the default image does not exist, " | ||
4887 | "the first linux entry whose kernel does exist is used as the " | ||
4888 | "template"), NULL}, | ||
4889 | {"debug", 0, 0, &debug, 0, | ||
4890 | _("print debugging information for failures")}, | ||
4891 | {"default-kernel", 0, 0, &displayDefault, 0, | ||
4892 | _("display the path of the default kernel")}, | ||
4893 | {"default-index", 0, 0, &displayDefaultIndex, 0, | ||
4894 | _("display the index of the default kernel")}, | ||
4895 | {"default-title", 0, 0, &displayDefaultTitle, 0, | ||
4896 | _("display the title of the default kernel")}, | ||
4897 | {"devtree", 0, POPT_ARG_STRING, &newDevTreePath, 0, | ||
4898 | _("device tree file for new stanza"), _("dtb-path")}, | ||
4899 | {"devtreedir", 0, POPT_ARG_STRING, &newDevTreePath, 0, | ||
4900 | _("device tree directory for new stanza"), _("dtb-path")}, | ||
4901 | {"elilo", 0, POPT_ARG_NONE, &configureELilo, 0, | ||
4902 | _("configure elilo bootloader")}, | ||
4903 | {"efi", 0, POPT_ARG_NONE, &isEfi, 0, | ||
4904 | _("force grub2 stanzas to use efi")}, | ||
4905 | {"env", 0, POPT_ARG_STRING, &envPath, 0, | ||
4906 | _("path for environment data"), | ||
4907 | _("path")}, | ||
4908 | {"extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0, | ||
4909 | _("configure extlinux bootloader (from syslinux)")}, | ||
4910 | {"grub", 0, POPT_ARG_NONE, &configureGrub, 0, | ||
4911 | _("configure grub bootloader")}, | ||
4912 | {"grub2", 0, POPT_ARG_NONE, &configureGrub2, 0, | ||
4913 | _("configure grub2 bootloader")}, | ||
4914 | {"info", 0, POPT_ARG_STRING, &kernelInfo, 0, | ||
4915 | _("display boot information for specified kernel"), | ||
4916 | _("kernel-path")}, | ||
4917 | {"initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0, | ||
4918 | _("initrd image for the new kernel"), _("initrd-path")}, | ||
4919 | {"extra-initrd", 'i', POPT_ARG_STRING, NULL, 'i', | ||
4920 | _ | ||
4921 | ("auxiliary initrd image for things other than the new kernel"), | ||
4922 | _("initrd-path")}, | ||
4923 | {"lilo", 0, POPT_ARG_NONE, &configureLilo, 0, | ||
4924 | _("configure lilo bootloader")}, | ||
4925 | {"make-default", 0, 0, &makeDefault, 0, | ||
4926 | _("make the newly added entry the default boot entry"), NULL}, | ||
4927 | {"output-file", 'o', POPT_ARG_STRING, &outputFile, 0, | ||
4928 | _("path to output updated config file (\"-\" for stdout)"), | ||
4929 | _("path")}, | ||
4930 | {"remove-args", 0, POPT_ARG_STRING, &removeArgs, 0, | ||
4931 | _("remove kernel arguments"), NULL}, | ||
4932 | {"remove-mbargs", 0, POPT_ARG_STRING, &removeMBKernelArgs, 0, | ||
4933 | _("remove multiboot kernel arguments"), NULL}, | ||
4934 | {"remove-kernel", 0, POPT_ARG_STRING, &removeKernelPath, 0, | ||
4935 | _("remove all entries for the specified kernel"), | ||
4936 | _("kernel-path")}, | ||
4937 | {"remove-multiboot", 0, POPT_ARG_STRING, &removeMBKernel, 0, | ||
4938 | _("remove all entries for the specified multiboot kernel"), | ||
4939 | NULL}, | ||
4940 | {"set-default", 0, POPT_ARG_STRING, &defaultKernel, 0, | ||
4941 | _("make the first entry referencing the specified kernel " | ||
4942 | "the default"), _("kernel-path")}, | ||
4943 | {"set-default-index", 0, POPT_ARG_INT, &defaultIndex, 0, | ||
4944 | _("make the given entry index the default entry"), | ||
4945 | _("entry-index")}, | ||
4946 | niro | 3007 | {"set-index", 0, POPT_ARG_INT, &newIndex, 0, |
4947 | _("use the given index when creating a new entry"), | ||
4948 | _("entry-index")}, | ||
4949 | niro | 3002 | {"silo", 0, POPT_ARG_NONE, &configureSilo, 0, |
4950 | _("configure silo bootloader")}, | ||
4951 | {"title", 0, POPT_ARG_STRING, &newKernelTitle, 0, | ||
4952 | _("title to use for the new kernel entry"), _("entry-title")}, | ||
4953 | {"update-kernel", 0, POPT_ARG_STRING, &updateKernelPath, 0, | ||
4954 | _("updated information for the specified kernel"), | ||
4955 | _("kernel-path")}, | ||
4956 | {"version", 'v', 0, NULL, 'v', | ||
4957 | _("print the version of this program and exit"), NULL}, | ||
4958 | {"yaboot", 0, POPT_ARG_NONE, &configureYaboot, 0, | ||
4959 | _("configure yaboot bootloader")}, | ||
4960 | {"zipl", 0, POPT_ARG_NONE, &configureZipl, 0, | ||
4961 | _("configure zipl bootloader")}, | ||
4962 | POPT_AUTOHELP {0, 0, 0, 0, 0} | ||
4963 | }; | ||
4964 | niro | 532 | |
4965 | niro | 3002 | useextlinuxmenu = 0; |
4966 | niro | 914 | |
4967 | niro | 3002 | int i = 0; |
4968 | for (int j = 1; j < argc; j++) | ||
4969 | i += strlen(argv[j]) + 1; | ||
4970 | saved_command_line = malloc(i); | ||
4971 | if (!saved_command_line) { | ||
4972 | fprintf(stderr, "grubby: %m\n"); | ||
4973 | exit(1); | ||
4974 | } | ||
4975 | saved_command_line[0] = '\0'; | ||
4976 | for (int j = 1; j < argc; j++) { | ||
4977 | strcat(saved_command_line, argv[j]); | ||
4978 | strncat(saved_command_line, j == argc - 1 ? "" : " ", 1); | ||
4979 | } | ||
4980 | niro | 2236 | |
4981 | niro | 3002 | optCon = poptGetContext("grubby", argc, argv, options, 0); |
4982 | poptReadDefaultConfig(optCon, 1); | ||
4983 | niro | 532 | |
4984 | niro | 3002 | while ((arg = poptGetNextOpt(optCon)) >= 0) { |
4985 | switch (arg) { | ||
4986 | case 'v': | ||
4987 | printf("grubby version %s\n", VERSION); | ||
4988 | exit(0); | ||
4989 | break; | ||
4990 | case 'i': | ||
4991 | if (extraInitrdCount < MAX_EXTRA_INITRDS) { | ||
4992 | extraInitrds[extraInitrdCount++] = | ||
4993 | strdup(poptGetOptArg(optCon)); | ||
4994 | } else { | ||
4995 | fprintf(stderr, | ||
4996 | _ | ||
4997 | ("grubby: extra initrd maximum is %d\n"), | ||
4998 | extraInitrdCount); | ||
4999 | return 1; | ||
5000 | } | ||
5001 | break; | ||
5002 | } | ||
5003 | } | ||
5004 | |||
5005 | if (arg < -1) { | ||
5006 | fprintf(stderr, _("grubby: bad argument %s: %s\n"), | ||
5007 | poptBadOption(optCon, POPT_BADOPTION_NOALIAS), | ||
5008 | poptStrerror(arg)); | ||
5009 | niro | 914 | return 1; |
5010 | niro | 532 | } |
5011 | |||
5012 | niro | 3002 | if ((chptr = poptGetArg(optCon))) { |
5013 | fprintf(stderr, _("grubby: unexpected argument %s\n"), chptr); | ||
5014 | return 1; | ||
5015 | } | ||
5016 | niro | 532 | |
5017 | niro | 3002 | if ((configureLilo + configureGrub2 + configureGrub + configureELilo + |
5018 | configureYaboot + configureSilo + configureZipl + | ||
5019 | configureExtLinux) > 1) { | ||
5020 | fprintf(stderr, | ||
5021 | _("grubby: cannot specify multiple bootloaders\n")); | ||
5022 | return 1; | ||
5023 | } else if (bootloaderProbe && grubConfig) { | ||
5024 | fprintf(stderr, | ||
5025 | _ | ||
5026 | ("grubby: cannot specify config file with --bootloader-probe\n")); | ||
5027 | return 1; | ||
5028 | } else if (configureGrub2) { | ||
5029 | cfi = &grub2ConfigType; | ||
5030 | if (envPath) | ||
5031 | cfi->envFile = envPath; | ||
5032 | } else if (configureLilo) { | ||
5033 | cfi = &liloConfigType; | ||
5034 | } else if (configureGrub) { | ||
5035 | cfi = &grubConfigType; | ||
5036 | } else if (configureELilo) { | ||
5037 | cfi = &eliloConfigType; | ||
5038 | } else if (configureYaboot) { | ||
5039 | cfi = &yabootConfigType; | ||
5040 | } else if (configureSilo) { | ||
5041 | cfi = &siloConfigType; | ||
5042 | } else if (configureZipl) { | ||
5043 | cfi = &ziplConfigType; | ||
5044 | } else if (configureExtLinux) { | ||
5045 | cfi = &extlinuxConfigType; | ||
5046 | useextlinuxmenu = 1; | ||
5047 | } | ||
5048 | niro | 532 | |
5049 | niro | 3002 | if (!cfi) { |
5050 | if (grub2FindConfig(&grub2ConfigType)) { | ||
5051 | cfi = &grub2ConfigType; | ||
5052 | if (envPath) | ||
5053 | cfi->envFile = envPath; | ||
5054 | } else | ||
5055 | #ifdef __ia64__ | ||
5056 | cfi = &eliloConfigType; | ||
5057 | #elif __powerpc__ | ||
5058 | cfi = &yabootConfigType; | ||
5059 | #elif __sparc__ | ||
5060 | cfi = &siloConfigType; | ||
5061 | #elif __s390__ | ||
5062 | cfi = &ziplConfigType; | ||
5063 | #elif __s390x__ | ||
5064 | cfi = &ziplConfigtype; | ||
5065 | #else | ||
5066 | cfi = &grubConfigType; | ||
5067 | #endif | ||
5068 | } | ||
5069 | niro | 532 | |
5070 | niro | 3002 | if (!grubConfig) { |
5071 | if (cfi->findConfig) | ||
5072 | grubConfig = cfi->findConfig(cfi); | ||
5073 | if (!grubConfig) | ||
5074 | grubConfig = cfi->defaultConfig; | ||
5075 | } | ||
5076 | niro | 532 | |
5077 | niro | 3002 | if (bootloaderProbe && (displayDefault || kernelInfo || |
5078 | newKernelPath || removeKernelPath || makeDefault | ||
5079 | || defaultKernel || displayDefaultIndex | ||
5080 | || displayDefaultTitle | ||
5081 | || (defaultIndex >= 0))) { | ||
5082 | fprintf(stderr, | ||
5083 | _("grubby: --bootloader-probe may not be used with " | ||
5084 | niro | 532 | "specified option")); |
5085 | niro | 3002 | return 1; |
5086 | } | ||
5087 | niro | 532 | |
5088 | niro | 3002 | if ((displayDefault || kernelInfo) && (newKernelPath || |
5089 | removeKernelPath)) { | ||
5090 | fprintf(stderr, _("grubby: --default-kernel and --info may not " | ||
5091 | "be used when adding or removing kernels\n")); | ||
5092 | return 1; | ||
5093 | } | ||
5094 | niro | 532 | |
5095 | niro | 3002 | if (newKernelPath && !newKernelTitle) { |
5096 | fprintf(stderr, _("grubby: kernel title must be specified\n")); | ||
5097 | return 1; | ||
5098 | } else if (!newKernelPath && (copyDefault || | ||
5099 | (newKernelInitrd && !updateKernelPath) || | ||
5100 | makeDefault || extraInitrdCount > 0)) { | ||
5101 | fprintf(stderr, _("grubby: kernel path expected\n")); | ||
5102 | return 1; | ||
5103 | } | ||
5104 | niro | 532 | |
5105 | niro | 3002 | if (newKernelPath && updateKernelPath) { |
5106 | fprintf(stderr, _("grubby: --add-kernel and --update-kernel may" | ||
5107 | "not be used together")); | ||
5108 | return 1; | ||
5109 | } | ||
5110 | niro | 532 | |
5111 | niro | 3002 | if (makeDefault && defaultKernel) { |
5112 | fprintf(stderr, _("grubby: --make-default and --default-kernel " | ||
5113 | "may not be used together\n")); | ||
5114 | return 1; | ||
5115 | } else if (defaultKernel && removeKernelPath && | ||
5116 | !strcmp(defaultKernel, removeKernelPath)) { | ||
5117 | fprintf(stderr, | ||
5118 | _("grubby: cannot make removed kernel the default\n")); | ||
5119 | return 1; | ||
5120 | } else if (defaultKernel && newKernelPath && | ||
5121 | !strcmp(defaultKernel, newKernelPath)) { | ||
5122 | makeDefault = 1; | ||
5123 | defaultKernel = NULL; | ||
5124 | } else if (defaultKernel && (defaultIndex >= 0)) { | ||
5125 | fprintf(stderr, | ||
5126 | _("grubby: --set-default and --set-default-index " | ||
5127 | niro | 532 | "may not be used together\n")); |
5128 | niro | 3002 | return 1; |
5129 | } | ||
5130 | niro | 532 | |
5131 | niro | 3002 | if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) { |
5132 | fprintf(stderr, | ||
5133 | _("grubby: output file must be specified if stdin " | ||
5134 | "is used\n")); | ||
5135 | return 1; | ||
5136 | } | ||
5137 | niro | 532 | |
5138 | niro | 3002 | if (!removeKernelPath && !newKernelPath && !displayDefault |
5139 | && !defaultKernel && !kernelInfo && !bootloaderProbe | ||
5140 | && !updateKernelPath && !removeMBKernel && !displayDefaultIndex | ||
5141 | && !displayDefaultTitle && (defaultIndex == -1)) { | ||
5142 | fprintf(stderr, _("grubby: no action specified\n")); | ||
5143 | return 1; | ||
5144 | } | ||
5145 | niro | 532 | |
5146 | niro | 3002 | flags |= badImageOkay ? GRUBBY_BADIMAGE_OKAY : 0; |
5147 | niro | 532 | |
5148 | niro | 3002 | if (cfi->needsBootPrefix) { |
5149 | if (!bootPrefix) { | ||
5150 | bootPrefix = findBootPrefix(); | ||
5151 | if (!bootPrefix) | ||
5152 | return 1; | ||
5153 | } else { | ||
5154 | /* this shouldn't end with a / */ | ||
5155 | if (bootPrefix[strlen(bootPrefix) - 1] == '/') | ||
5156 | bootPrefix[strlen(bootPrefix) - 1] = '\0'; | ||
5157 | } | ||
5158 | niro | 532 | } else { |
5159 | niro | 3002 | bootPrefix = ""; |
5160 | niro | 532 | } |
5161 | |||
5162 | niro | 3002 | if (!cfi->mbAllowExtraInitRds && extraInitrdCount > 0) { |
5163 | fprintf(stderr, | ||
5164 | _("grubby: %s doesn't allow multiple initrds\n"), | ||
5165 | cfi->defaultConfig); | ||
5166 | return 1; | ||
5167 | } | ||
5168 | niro | 914 | |
5169 | niro | 3002 | if (bootloaderProbe) { |
5170 | int lrc = 0, grc = 0, gr2c = 0, extrc = 0, yrc = 0, erc = 0; | ||
5171 | struct grubConfig *lconfig, *gconfig, *yconfig, *econfig; | ||
5172 | niro | 532 | |
5173 | niro | 3002 | const char *grub2config = grub2FindConfig(&grub2ConfigType); |
5174 | if (grub2config) { | ||
5175 | gconfig = readConfig(grub2config, &grub2ConfigType); | ||
5176 | if (!gconfig) | ||
5177 | gr2c = 1; | ||
5178 | else | ||
5179 | gr2c = checkForGrub2(gconfig); | ||
5180 | } | ||
5181 | niro | 1696 | |
5182 | niro | 3002 | const char *grubconfig = grubFindConfig(&grubConfigType); |
5183 | if (!access(grubconfig, F_OK)) { | ||
5184 | gconfig = readConfig(grubconfig, &grubConfigType); | ||
5185 | if (!gconfig) | ||
5186 | grc = 1; | ||
5187 | else | ||
5188 | grc = checkForGrub(gconfig); | ||
5189 | } | ||
5190 | niro | 532 | |
5191 | niro | 3002 | if (!access(liloConfigType.defaultConfig, F_OK)) { |
5192 | lconfig = | ||
5193 | readConfig(liloConfigType.defaultConfig, | ||
5194 | &liloConfigType); | ||
5195 | if (!lconfig) | ||
5196 | lrc = 1; | ||
5197 | else | ||
5198 | lrc = checkForLilo(lconfig); | ||
5199 | } | ||
5200 | niro | 532 | |
5201 | niro | 3002 | if (!access(eliloConfigType.defaultConfig, F_OK)) { |
5202 | econfig = readConfig(eliloConfigType.defaultConfig, | ||
5203 | &eliloConfigType); | ||
5204 | if (!econfig) | ||
5205 | erc = 1; | ||
5206 | else | ||
5207 | erc = checkForElilo(econfig); | ||
5208 | } | ||
5209 | niro | 1854 | |
5210 | niro | 3002 | if (!access(extlinuxConfigType.defaultConfig, F_OK)) { |
5211 | lconfig = | ||
5212 | readConfig(extlinuxConfigType.defaultConfig, | ||
5213 | &extlinuxConfigType); | ||
5214 | if (!lconfig) | ||
5215 | extrc = 1; | ||
5216 | else | ||
5217 | extrc = checkForExtLinux(lconfig); | ||
5218 | } | ||
5219 | niro | 914 | |
5220 | niro | 3002 | if (!access(yabootConfigType.defaultConfig, F_OK)) { |
5221 | yconfig = readConfig(yabootConfigType.defaultConfig, | ||
5222 | &yabootConfigType); | ||
5223 | if (!yconfig) | ||
5224 | yrc = 1; | ||
5225 | else | ||
5226 | yrc = checkForYaboot(yconfig); | ||
5227 | } | ||
5228 | niro | 532 | |
5229 | niro | 3002 | if (lrc == 1 || grc == 1 || gr2c == 1 || extrc == 1 || yrc == 1 |
5230 | || erc == 1) | ||
5231 | return 1; | ||
5232 | niro | 1853 | |
5233 | niro | 3002 | if (lrc == 2) |
5234 | printf("lilo\n"); | ||
5235 | if (gr2c == 2) | ||
5236 | printf("grub2\n"); | ||
5237 | if (grc == 2) | ||
5238 | printf("grub\n"); | ||
5239 | if (extrc == 2) | ||
5240 | printf("extlinux\n"); | ||
5241 | if (yrc == 2) | ||
5242 | printf("yaboot\n"); | ||
5243 | if (erc == 2) | ||
5244 | printf("elilo\n"); | ||
5245 | niro | 1853 | |
5246 | niro | 3002 | return 0; |
5247 | } | ||
5248 | niro | 532 | |
5249 | niro | 3002 | if (grubConfig == NULL) { |
5250 | printf("Could not find bootloader configuration file.\n"); | ||
5251 | exit(1); | ||
5252 | } | ||
5253 | niro | 532 | |
5254 | niro | 3002 | config = readConfig(grubConfig, cfi); |
5255 | if (!config) | ||
5256 | return 1; | ||
5257 | niro | 2246 | |
5258 | niro | 3002 | if (displayDefault) { |
5259 | struct singleLine *line; | ||
5260 | struct singleEntry *entry; | ||
5261 | char *rootspec; | ||
5262 | niro | 532 | |
5263 | niro | 3018 | if (config->defaultImage == NO_DEFAULT_ENTRY) |
5264 | niro | 3002 | return 0; |
5265 | if (config->defaultImage == DEFAULT_SAVED_GRUB2 && | ||
5266 | cfi->defaultIsSaved) | ||
5267 | niro | 3018 | config->defaultImage = FIRST_ENTRY_INDEX; |
5268 | niro | 3002 | entry = findEntryByIndex(config, config->defaultImage); |
5269 | if (!entry) | ||
5270 | return 0; | ||
5271 | if (!suitableImage(entry, bootPrefix, 0, flags)) | ||
5272 | return 0; | ||
5273 | niro | 532 | |
5274 | niro | 3002 | line = |
5275 | getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI | | ||
5276 | LT_KERNEL_16, entry->lines); | ||
5277 | if (!line) | ||
5278 | return 0; | ||
5279 | niro | 532 | |
5280 | niro | 3002 | rootspec = getRootSpecifier(line->elements[1].item); |
5281 | printf("%s%s\n", bootPrefix, line->elements[1].item + | ||
5282 | ((rootspec != NULL) ? strlen(rootspec) : 0)); | ||
5283 | niro | 532 | |
5284 | niro | 3002 | return 0; |
5285 | niro | 532 | |
5286 | niro | 3002 | } else if (displayDefaultTitle) { |
5287 | struct singleLine *line; | ||
5288 | struct singleEntry *entry; | ||
5289 | niro | 1720 | |
5290 | niro | 3018 | if (config->defaultImage == NO_DEFAULT_ENTRY) |
5291 | niro | 3002 | return 0; |
5292 | if (config->defaultImage == DEFAULT_SAVED_GRUB2 && | ||
5293 | cfi->defaultIsSaved) | ||
5294 | niro | 3018 | config->defaultImage = FIRST_ENTRY_INDEX; |
5295 | niro | 3002 | entry = findEntryByIndex(config, config->defaultImage); |
5296 | if (!entry) | ||
5297 | return 0; | ||
5298 | niro | 1721 | |
5299 | niro | 3002 | if (!configureGrub2) { |
5300 | char *title; | ||
5301 | line = getLineByType(LT_TITLE, entry->lines); | ||
5302 | if (!line) | ||
5303 | return 0; | ||
5304 | title = extractTitle(config, line); | ||
5305 | if (!title) | ||
5306 | return 0; | ||
5307 | printf("%s\n", title); | ||
5308 | free(title); | ||
5309 | } else { | ||
5310 | char *title; | ||
5311 | niro | 1721 | |
5312 | niro | 3002 | dbgPrintf |
5313 | ("This is GRUB2, default title is embeded in menuentry\n"); | ||
5314 | line = getLineByType(LT_MENUENTRY, entry->lines); | ||
5315 | if (!line) | ||
5316 | return 0; | ||
5317 | title = grub2ExtractTitle(line); | ||
5318 | if (title) | ||
5319 | printf("%s\n", title); | ||
5320 | } | ||
5321 | niro | 2992 | return 0; |
5322 | niro | 1721 | |
5323 | niro | 3002 | } else if (displayDefaultIndex) { |
5324 | niro | 3018 | if (config->defaultImage == NO_DEFAULT_ENTRY) |
5325 | niro | 3002 | return 0; |
5326 | if (config->defaultImage == DEFAULT_SAVED_GRUB2 && | ||
5327 | cfi->defaultIsSaved) | ||
5328 | niro | 3018 | config->defaultImage = FIRST_ENTRY_INDEX; |
5329 | niro | 3002 | printf("%i\n", config->defaultImage); |
5330 | niro | 2992 | return 0; |
5331 | niro | 1721 | |
5332 | niro | 3002 | } else if (kernelInfo) |
5333 | return displayInfo(config, kernelInfo, bootPrefix); | ||
5334 | niro | 1720 | |
5335 | niro | 3002 | if (copyDefault) { |
5336 | template = findTemplate(config, bootPrefix, NULL, 0, flags); | ||
5337 | if (!template) | ||
5338 | return 1; | ||
5339 | } | ||
5340 | niro | 532 | |
5341 | niro | 3002 | markRemovedImage(config, removeKernelPath, bootPrefix); |
5342 | markRemovedImage(config, removeMBKernel, bootPrefix); | ||
5343 | setDefaultImage(config, newKernelPath != NULL, defaultKernel, | ||
5344 | niro | 3021 | makeDefault, bootPrefix, flags, defaultIndex, |
5345 | newIndex); | ||
5346 | niro | 3002 | setFallbackImage(config, newKernelPath != NULL); |
5347 | if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs, | ||
5348 | removeArgs, newMBKernelArgs, removeMBKernelArgs)) | ||
5349 | return 1; | ||
5350 | if (updateKernelPath && newKernelInitrd) { | ||
5351 | if (newMBKernel) { | ||
5352 | if (addMBInitrd(config, newMBKernel, updateKernelPath, | ||
5353 | niro | 2960 | bootPrefix, newKernelInitrd, |
5354 | newKernelTitle)) | ||
5355 | niro | 3002 | return 1; |
5356 | } else { | ||
5357 | if (updateInitrd(config, updateKernelPath, bootPrefix, | ||
5358 | newKernelInitrd, newKernelTitle)) | ||
5359 | return 1; | ||
5360 | } | ||
5361 | } | ||
5362 | if (addNewKernel(config, template, bootPrefix, newKernelPath, | ||
5363 | newKernelTitle, newKernelArgs, newKernelInitrd, | ||
5364 | (const char **)extraInitrds, extraInitrdCount, | ||
5365 | niro | 3007 | newMBKernel, newMBKernelArgs, newDevTreePath, |
5366 | newIndex)) | ||
5367 | niro | 3002 | return 1; |
5368 | niro | 532 | |
5369 | niro | 3002 | if (numEntries(config) == 0) { |
5370 | fprintf(stderr, | ||
5371 | _("grubby: doing this would leave no kernel entries. " | ||
5372 | "Not writing out new config.\n")); | ||
5373 | return 1; | ||
5374 | } | ||
5375 | niro | 532 | |
5376 | niro | 3002 | if (!outputFile) |
5377 | outputFile = (char *)grubConfig; | ||
5378 | niro | 532 | |
5379 | niro | 3002 | return writeConfig(config, outputFile, bootPrefix); |
5380 | niro | 532 | } |