1 |
/* Copyright (C) 2001-2005 Red Hat, Inc. |
/* |
2 |
|
* grubby.c |
3 |
This program is free software; you can redistribute it and/or |
* |
4 |
modify it under the terms of the General Public License as published |
* Copyright (C) 2001-2008 Red Hat, Inc. |
5 |
by the Free Software Foundation; either version 2 of the License, or |
* All rights reserved. |
6 |
(at your option) any later version. |
* |
7 |
|
* This program is free software; you can redistribute it and/or modify |
8 |
This program is distributed in the hope that it will be useful, |
* it under the terms of the GNU General Public License as published by |
9 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
* the Free Software Foundation; either version 2 of the License, or |
10 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
* (at your option) any later version. |
11 |
General Public License for more details. |
* |
12 |
|
* This program is distributed in the hope that it will be useful, |
13 |
You should have received a copy of the GNU General Public |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 |
License along with this program; if not, write to the Free |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 |
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
* GNU General Public License for more details. |
16 |
02111-1307 USA. */ |
* |
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 |
|
|
21 |
|
#ifndef _GNU_SOURCE |
22 |
|
#define _GNU_SOURCE |
23 |
|
#endif |
24 |
#include <ctype.h> |
#include <ctype.h> |
25 |
#include <errno.h> |
#include <errno.h> |
26 |
#include <fcntl.h> |
#include <fcntl.h> |
31 |
#include <string.h> |
#include <string.h> |
32 |
#include <sys/stat.h> |
#include <sys/stat.h> |
33 |
#include <unistd.h> |
#include <unistd.h> |
34 |
|
#include <libgen.h> |
35 |
|
#include <execinfo.h> |
36 |
|
#include <signal.h> |
37 |
|
#include <blkid/blkid.h> |
38 |
|
|
39 |
|
#ifndef DEBUG |
40 |
|
#define DEBUG 0 |
41 |
|
#endif |
42 |
|
|
43 |
#include "mount_by_label.h" |
#if DEBUG |
44 |
|
#define dbgPrintf(format, args...) fprintf(stderr, format , ## args) |
45 |
|
#else |
46 |
|
#define dbgPrintf(format, args...) |
47 |
|
#endif |
48 |
|
|
49 |
|
int debug = 0; /* Currently just for template debugging */ |
50 |
|
|
51 |
#define _(A) (A) |
#define _(A) (A) |
52 |
|
|
53 |
|
#define MAX_EXTRA_INITRDS 16 /* code segment checked by --bootloader-probe */ |
54 |
#define CODE_SEG_SIZE 128 /* code segment checked by --bootloader-probe */ |
#define CODE_SEG_SIZE 128 /* code segment checked by --bootloader-probe */ |
55 |
|
|
56 |
|
#define NOOP_OPCODE 0x90 |
57 |
|
#define JMP_SHORT_OPCODE 0xeb |
58 |
|
|
59 |
/* comments get lumped in with indention */ |
/* comments get lumped in with indention */ |
60 |
struct lineElement { |
struct lineElement { |
61 |
char * item; |
char * item; |
62 |
char * indent; |
char * indent; |
63 |
}; |
}; |
64 |
|
|
65 |
enum lineType_e { LT_WHITESPACE, LT_TITLE, LT_KERNEL, LT_INITRD, LT_DEFAULT, |
enum lineType_e { |
66 |
LT_UNKNOWN, LT_ROOT, LT_FALLBACK, LT_KERNELARGS, LT_BOOT, |
LT_WHITESPACE = 1 << 0, |
67 |
LT_BOOTROOT, LT_LBA, LT_MBMODULE, LT_OTHER, LT_GENERIC }; |
LT_TITLE = 1 << 1, |
68 |
|
LT_KERNEL = 1 << 2, |
69 |
|
LT_INITRD = 1 << 3, |
70 |
|
LT_HYPER = 1 << 4, |
71 |
|
LT_DEFAULT = 1 << 5, |
72 |
|
LT_MBMODULE = 1 << 6, |
73 |
|
LT_ROOT = 1 << 7, |
74 |
|
LT_FALLBACK = 1 << 8, |
75 |
|
LT_KERNELARGS = 1 << 9, |
76 |
|
LT_BOOT = 1 << 10, |
77 |
|
LT_BOOTROOT = 1 << 11, |
78 |
|
LT_LBA = 1 << 12, |
79 |
|
LT_OTHER = 1 << 13, |
80 |
|
LT_GENERIC = 1 << 14, |
81 |
|
LT_ECHO = 1 << 16, |
82 |
|
LT_MENUENTRY = 1 << 17, |
83 |
|
LT_ENTRY_END = 1 << 18, |
84 |
|
LT_SET_VARIABLE = 1 << 19, |
85 |
|
LT_UNKNOWN = 1 << 20, |
86 |
|
}; |
87 |
|
|
88 |
struct singleLine { |
struct singleLine { |
89 |
char * indent; |
char * indent; |
104 |
|
|
105 |
#define GRUB_CONFIG_NO_DEFAULT (1 << 0) /* don't write out default=0 */ |
#define GRUB_CONFIG_NO_DEFAULT (1 << 0) /* don't write out default=0 */ |
106 |
|
|
107 |
#define KERNEL_KERNEL (1 << 0) |
/* These defines are (only) used in addNewKernel() */ |
108 |
#define KERNEL_INITRD (1 << 2) |
#define NEED_KERNEL (1 << 0) |
109 |
#define KERNEL_TITLE (1 << 3) |
#define NEED_INITRD (1 << 1) |
110 |
#define KERNEL_ARGS (1 << 4) |
#define NEED_TITLE (1 << 2) |
111 |
#define KERNEL_MB (1 << 5) |
#define NEED_ARGS (1 << 3) |
112 |
|
#define NEED_MB (1 << 4) |
113 |
|
#define NEED_END (1 << 5) |
114 |
|
|
115 |
#define MAIN_DEFAULT (1 << 0) |
#define MAIN_DEFAULT (1 << 0) |
116 |
#define DEFAULT_SAVED -2 |
#define DEFAULT_SAVED -2 |
117 |
|
#define DEFAULT_SAVED_GRUB2 -3 |
118 |
|
|
119 |
struct keywordTypes { |
struct keywordTypes { |
120 |
char * key; |
char * key; |
121 |
enum lineType_e type; |
enum lineType_e type; |
122 |
char nextChar; |
char nextChar; |
123 |
} ; |
char separatorChar; |
124 |
|
}; |
125 |
|
|
126 |
|
struct configFileInfo; |
127 |
|
|
128 |
|
typedef const char *(*findConfigFunc)(struct configFileInfo *); |
129 |
|
typedef const int (*writeLineFunc)(struct configFileInfo *, |
130 |
|
struct singleLine *line); |
131 |
|
|
132 |
struct configFileInfo { |
struct configFileInfo { |
133 |
char * defaultConfig; |
char * defaultConfig; |
134 |
|
findConfigFunc findConfig; |
135 |
|
writeLineFunc writeLine; |
136 |
struct keywordTypes * keywords; |
struct keywordTypes * keywords; |
137 |
int defaultIsIndex; |
int defaultIsIndex; |
138 |
|
int defaultIsVariable; |
139 |
int defaultSupportSaved; |
int defaultSupportSaved; |
140 |
enum lineType_e entrySeparator; |
enum lineType_e entryStart; |
141 |
|
enum lineType_e entryEnd; |
142 |
int needsBootPrefix; |
int needsBootPrefix; |
143 |
int argsInQuotes; |
int argsInQuotes; |
144 |
int maxTitleLength; |
int maxTitleLength; |
145 |
int titleBracketed; |
int titleBracketed; |
146 |
|
int titlePosition; |
147 |
|
int mbHyperFirst; |
148 |
|
int mbInitRdIsModule; |
149 |
|
int mbConcatArgs; |
150 |
|
int mbAllowExtraInitRds; |
151 |
}; |
}; |
152 |
|
|
153 |
struct keywordTypes grubKeywords[] = { |
struct keywordTypes grubKeywords[] = { |
156 |
{ "default", LT_DEFAULT, ' ' }, |
{ "default", LT_DEFAULT, ' ' }, |
157 |
{ "fallback", LT_FALLBACK, ' ' }, |
{ "fallback", LT_FALLBACK, ' ' }, |
158 |
{ "kernel", LT_KERNEL, ' ' }, |
{ "kernel", LT_KERNEL, ' ' }, |
159 |
{ "initrd", LT_INITRD, ' ' }, |
{ "initrd", LT_INITRD, ' ', ' ' }, |
160 |
{ "module", LT_MBMODULE, ' ' }, |
{ "module", LT_MBMODULE, ' ' }, |
161 |
|
{ "kernel", LT_HYPER, ' ' }, |
162 |
{ NULL, 0, 0 }, |
{ NULL, 0, 0 }, |
163 |
}; |
}; |
164 |
|
|
165 |
|
const char *grubFindConfig(struct configFileInfo *cfi) { |
166 |
|
static const char *configFiles[] = { |
167 |
|
"/etc/grub.conf", |
168 |
|
"/boot/grub/grub.conf", |
169 |
|
"/boot/grub/menu.lst", |
170 |
|
NULL |
171 |
|
}; |
172 |
|
static int i = -1; |
173 |
|
|
174 |
|
if (i == -1) { |
175 |
|
for (i = 0; configFiles[i] != NULL; i++) { |
176 |
|
dbgPrintf("Checking \"%s\": ", configFiles[i]); |
177 |
|
if (!access(configFiles[i], R_OK)) { |
178 |
|
dbgPrintf("found\n"); |
179 |
|
return configFiles[i]; |
180 |
|
} |
181 |
|
dbgPrintf("not found\n"); |
182 |
|
} |
183 |
|
} |
184 |
|
return configFiles[i]; |
185 |
|
} |
186 |
|
|
187 |
struct configFileInfo grubConfigType = { |
struct configFileInfo grubConfigType = { |
188 |
"/boot/grub/grub.conf", /* defaultConfig */ |
.findConfig = grubFindConfig, |
189 |
grubKeywords, /* keywords */ |
.keywords = grubKeywords, |
190 |
1, /* defaultIsIndex */ |
.defaultIsIndex = 1, |
191 |
1, /* defaultSupportSaved */ |
.defaultSupportSaved = 1, |
192 |
LT_TITLE, /* entrySeparator */ |
.entryStart = LT_TITLE, |
193 |
1, /* needsBootPrefix */ |
.needsBootPrefix = 1, |
194 |
0, /* argsInQuotes */ |
.mbHyperFirst = 1, |
195 |
0, /* maxTitleLength */ |
.mbInitRdIsModule = 1, |
196 |
0, /* titleBracketed */ |
.mbAllowExtraInitRds = 1, |
197 |
|
}; |
198 |
|
|
199 |
|
struct keywordTypes grub2Keywords[] = { |
200 |
|
{ "menuentry", LT_MENUENTRY, ' ' }, |
201 |
|
{ "}", LT_ENTRY_END, ' ' }, |
202 |
|
{ "echo", LT_ECHO, ' ' }, |
203 |
|
{ "set", LT_SET_VARIABLE,' ', '=' }, |
204 |
|
{ "root", LT_BOOTROOT, ' ' }, |
205 |
|
{ "default", LT_DEFAULT, ' ' }, |
206 |
|
{ "fallback", LT_FALLBACK, ' ' }, |
207 |
|
{ "linux", LT_KERNEL, ' ' }, |
208 |
|
{ "initrd", LT_INITRD, ' ', ' ' }, |
209 |
|
{ "module", LT_MBMODULE, ' ' }, |
210 |
|
{ "kernel", LT_HYPER, ' ' }, |
211 |
|
{ NULL, 0, 0 }, |
212 |
|
}; |
213 |
|
|
214 |
|
const char *grub2FindConfig(struct configFileInfo *cfi) { |
215 |
|
static const char *configFiles[] = { |
216 |
|
"/boot/grub/grub-efi.cfg", |
217 |
|
"/boot/grub/grub.cfg", |
218 |
|
NULL |
219 |
|
}; |
220 |
|
static int i = -1; |
221 |
|
static const char *grub_cfg = "/boot/grub/grub.cfg"; |
222 |
|
|
223 |
|
if (i == -1) { |
224 |
|
for (i = 0; configFiles[i] != NULL; i++) { |
225 |
|
dbgPrintf("Checking \"%s\": ", configFiles[i]); |
226 |
|
if (!access(configFiles[i], R_OK)) { |
227 |
|
dbgPrintf("found\n"); |
228 |
|
return configFiles[i]; |
229 |
|
} |
230 |
|
} |
231 |
|
} |
232 |
|
|
233 |
|
/* Ubuntu renames grub2 to grub, so check for the grub.d directory |
234 |
|
* that isn't in grub1, and if it exists, return the config file path |
235 |
|
* that they use. */ |
236 |
|
if (configFiles[i] == NULL && !access("/etc/grub.d/", R_OK)) { |
237 |
|
dbgPrintf("found\n"); |
238 |
|
return grub_cfg; |
239 |
|
} |
240 |
|
|
241 |
|
dbgPrintf("not found\n"); |
242 |
|
return configFiles[i]; |
243 |
|
} |
244 |
|
|
245 |
|
int sizeOfSingleLine(struct singleLine * line) { |
246 |
|
int i; |
247 |
|
int count = 0; |
248 |
|
|
249 |
|
for (i = 0; i < line->numElements; i++) { |
250 |
|
int indentSize = 0; |
251 |
|
|
252 |
|
count = count + strlen(line->elements[i].item); |
253 |
|
|
254 |
|
indentSize = strlen(line->elements[i].indent); |
255 |
|
if (indentSize > 0) |
256 |
|
count = count + indentSize; |
257 |
|
else |
258 |
|
/* be extra safe and add room for whitespaces */ |
259 |
|
count = count + 1; |
260 |
|
} |
261 |
|
|
262 |
|
/* room for trailing terminator */ |
263 |
|
count = count + 1; |
264 |
|
|
265 |
|
return count; |
266 |
|
} |
267 |
|
|
268 |
|
static int isquote(char q) |
269 |
|
{ |
270 |
|
if (q == '\'' || q == '\"') |
271 |
|
return 1; |
272 |
|
return 0; |
273 |
|
} |
274 |
|
|
275 |
|
char *grub2ExtractTitle(struct singleLine * line) { |
276 |
|
char * current; |
277 |
|
char * current_indent; |
278 |
|
int current_len; |
279 |
|
int current_indent_len; |
280 |
|
int i; |
281 |
|
|
282 |
|
/* bail out if line does not start with menuentry */ |
283 |
|
if (strcmp(line->elements[0].item, "menuentry")) |
284 |
|
return NULL; |
285 |
|
|
286 |
|
i = 1; |
287 |
|
current = line->elements[i].item; |
288 |
|
current_len = strlen(current); |
289 |
|
|
290 |
|
/* if second word is quoted, strip the quotes and return single word */ |
291 |
|
if (isquote(*current) && isquote(current[current_len - 1])) { |
292 |
|
char *tmp; |
293 |
|
|
294 |
|
tmp = strdup(current); |
295 |
|
*(tmp + current_len - 1) = '\0'; |
296 |
|
return ++tmp; |
297 |
|
} |
298 |
|
|
299 |
|
/* if no quotes, return second word verbatim */ |
300 |
|
if (!isquote(*current)) |
301 |
|
return current; |
302 |
|
|
303 |
|
/* second element start with a quote, so we have to find the element |
304 |
|
* whose last character is also quote (assuming it's the closing one) */ |
305 |
|
int resultMaxSize; |
306 |
|
char * result; |
307 |
|
|
308 |
|
resultMaxSize = sizeOfSingleLine(line); |
309 |
|
result = malloc(resultMaxSize); |
310 |
|
snprintf(result, resultMaxSize, "%s", ++current); |
311 |
|
|
312 |
|
i++; |
313 |
|
for (; i < line->numElements; ++i) { |
314 |
|
current = line->elements[i].item; |
315 |
|
current_len = strlen(current); |
316 |
|
current_indent = line->elements[i].indent; |
317 |
|
current_indent_len = strlen(current_indent); |
318 |
|
|
319 |
|
strncat(result, current_indent, current_indent_len); |
320 |
|
if (!isquote(current[current_len-1])) { |
321 |
|
strncat(result, current, current_len); |
322 |
|
} else { |
323 |
|
strncat(result, current, current_len - 1); |
324 |
|
break; |
325 |
|
} |
326 |
|
} |
327 |
|
return result; |
328 |
|
} |
329 |
|
|
330 |
|
struct configFileInfo grub2ConfigType = { |
331 |
|
.findConfig = grub2FindConfig, |
332 |
|
.keywords = grub2Keywords, |
333 |
|
.defaultIsIndex = 1, |
334 |
|
.defaultSupportSaved = 1, |
335 |
|
.defaultIsVariable = 1, |
336 |
|
.entryStart = LT_MENUENTRY, |
337 |
|
.entryEnd = LT_ENTRY_END, |
338 |
|
.titlePosition = 1, |
339 |
|
.needsBootPrefix = 1, |
340 |
|
.mbHyperFirst = 1, |
341 |
|
.mbInitRdIsModule = 1, |
342 |
|
.mbAllowExtraInitRds = 1, |
343 |
}; |
}; |
344 |
|
|
345 |
struct keywordTypes yabootKeywords[] = { |
struct keywordTypes yabootKeywords[] = { |
373 |
{ "partition", LT_GENERIC, '=' }, |
{ "partition", LT_GENERIC, '=' }, |
374 |
{ "device", LT_GENERIC, '=' }, |
{ "device", LT_GENERIC, '=' }, |
375 |
{ "fstype", LT_GENERIC, '=' }, |
{ "fstype", LT_GENERIC, '=' }, |
376 |
{ "initrd", LT_INITRD, '=' }, |
{ "initrd", LT_INITRD, '=', ';' }, |
377 |
{ "append", LT_KERNELARGS, '=' }, |
{ "append", LT_KERNELARGS, '=' }, |
378 |
{ "boot", LT_BOOT, '=' }, |
{ "boot", LT_BOOT, '=' }, |
379 |
{ "lba", LT_LBA, ' ' }, |
{ "lba", LT_LBA, ' ' }, |
393 |
{ NULL, 0, 0 }, |
{ NULL, 0, 0 }, |
394 |
}; |
}; |
395 |
|
|
396 |
|
struct keywordTypes eliloKeywords[] = { |
397 |
|
{ "label", LT_TITLE, '=' }, |
398 |
|
{ "root", LT_ROOT, '=' }, |
399 |
|
{ "default", LT_DEFAULT, '=' }, |
400 |
|
{ "image", LT_KERNEL, '=' }, |
401 |
|
{ "initrd", LT_INITRD, '=' }, |
402 |
|
{ "append", LT_KERNELARGS, '=' }, |
403 |
|
{ "vmm", LT_HYPER, '=' }, |
404 |
|
{ NULL, 0, 0 }, |
405 |
|
}; |
406 |
|
|
407 |
struct keywordTypes siloKeywords[] = { |
struct keywordTypes siloKeywords[] = { |
408 |
{ "label", LT_TITLE, '=' }, |
{ "label", LT_TITLE, '=' }, |
409 |
{ "root", LT_ROOT, '=' }, |
{ "root", LT_ROOT, '=' }, |
425 |
{ NULL, 0, 0 }, |
{ NULL, 0, 0 }, |
426 |
}; |
}; |
427 |
|
|
428 |
|
struct keywordTypes extlinuxKeywords[] = { |
429 |
|
{ "label", LT_TITLE, ' ' }, |
430 |
|
{ "root", LT_ROOT, ' ' }, |
431 |
|
{ "default", LT_DEFAULT, ' ' }, |
432 |
|
{ "kernel", LT_KERNEL, ' ' }, |
433 |
|
{ "initrd", LT_INITRD, ' ', ',' }, |
434 |
|
{ "append", LT_KERNELARGS, ' ' }, |
435 |
|
{ "prompt", LT_UNKNOWN, ' ' }, |
436 |
|
{ NULL, 0, 0 }, |
437 |
|
}; |
438 |
|
int useextlinuxmenu; |
439 |
struct configFileInfo eliloConfigType = { |
struct configFileInfo eliloConfigType = { |
440 |
"/boot/efi/EFI/redhat/elilo.conf", /* defaultConfig */ |
.defaultConfig = "/boot/efi/EFI/redhat/elilo.conf", |
441 |
liloKeywords, /* keywords */ |
.keywords = eliloKeywords, |
442 |
0, /* defaultIsIndex */ |
.entryStart = LT_KERNEL, |
443 |
0, /* defaultSupportSaved */ |
.needsBootPrefix = 1, |
444 |
LT_KERNEL, /* entrySeparator */ |
.argsInQuotes = 1, |
445 |
1, /* needsBootPrefix */ |
.mbConcatArgs = 1, |
|
1, /* argsInQuotes */ |
|
|
0, /* maxTitleLength */ |
|
|
0, /* titleBracketed */ |
|
446 |
}; |
}; |
447 |
|
|
448 |
struct configFileInfo liloConfigType = { |
struct configFileInfo liloConfigType = { |
449 |
"/etc/lilo.conf", /* defaultConfig */ |
.defaultConfig = "/etc/lilo.conf", |
450 |
liloKeywords, /* keywords */ |
.keywords = liloKeywords, |
451 |
0, /* defaultIsIndex */ |
.entryStart = LT_KERNEL, |
452 |
0, /* defaultSupportSaved */ |
.argsInQuotes = 1, |
453 |
LT_KERNEL, /* entrySeparator */ |
.maxTitleLength = 15, |
|
0, /* needsBootPrefix */ |
|
|
1, /* argsInQuotes */ |
|
|
15, /* maxTitleLength */ |
|
|
0, /* titleBracketed */ |
|
454 |
}; |
}; |
455 |
|
|
456 |
struct configFileInfo yabootConfigType = { |
struct configFileInfo yabootConfigType = { |
457 |
"/etc/yaboot.conf", /* defaultConfig */ |
.defaultConfig = "/etc/yaboot.conf", |
458 |
yabootKeywords, /* keywords */ |
.keywords = yabootKeywords, |
459 |
0, /* defaultIsIndex */ |
.entryStart = LT_KERNEL, |
460 |
0, /* defaultSupportSaved */ |
.needsBootPrefix = 1, |
461 |
LT_KERNEL, /* entrySeparator */ |
.argsInQuotes = 1, |
462 |
1, /* needsBootPrefix */ |
.maxTitleLength = 15, |
463 |
1, /* argsInQuotes */ |
.mbAllowExtraInitRds = 1, |
|
15, /* maxTitleLength */ |
|
|
0, /* titleBracketed */ |
|
464 |
}; |
}; |
465 |
|
|
466 |
struct configFileInfo siloConfigType = { |
struct configFileInfo siloConfigType = { |
467 |
"/etc/silo.conf", /* defaultConfig */ |
.defaultConfig = "/etc/silo.conf", |
468 |
siloKeywords, /* keywords */ |
.keywords = siloKeywords, |
469 |
0, /* defaultIsIndex */ |
.entryStart = LT_KERNEL, |
470 |
0, /* defaultSupportSaved */ |
.needsBootPrefix = 1, |
471 |
LT_KERNEL, /* entrySeparator */ |
.argsInQuotes = 1, |
472 |
1, /* needsBootPrefix */ |
.maxTitleLength = 15, |
|
1, /* argsInQuotes */ |
|
|
15, /* maxTitleLength */ |
|
|
0, /* titleBracketed */ |
|
473 |
}; |
}; |
474 |
|
|
475 |
struct configFileInfo ziplConfigType = { |
struct configFileInfo ziplConfigType = { |
476 |
"/etc/zipl.conf", /* defaultConfig */ |
.defaultConfig = "/etc/zipl.conf", |
477 |
ziplKeywords, /* keywords */ |
.keywords = ziplKeywords, |
478 |
0, /* defaultIsIndex */ |
.entryStart = LT_TITLE, |
479 |
0, /* defaultSupportSaved */ |
.argsInQuotes = 1, |
480 |
LT_TITLE, /* entrySeparator */ |
.titleBracketed = 1, |
481 |
0, /* needsBootPrefix */ |
}; |
482 |
1, /* argsInQuotes */ |
|
483 |
15, /* maxTitleLength */ |
struct configFileInfo extlinuxConfigType = { |
484 |
1, /* titleBracketed */ |
.defaultConfig = "/boot/extlinux/extlinux.conf", |
485 |
|
.keywords = extlinuxKeywords, |
486 |
|
.entryStart = LT_TITLE, |
487 |
|
.needsBootPrefix = 1, |
488 |
|
.maxTitleLength = 255, |
489 |
|
.mbAllowExtraInitRds = 1, |
490 |
}; |
}; |
491 |
|
|
492 |
struct grubConfig { |
struct grubConfig { |
501 |
struct configFileInfo * cfi; |
struct configFileInfo * cfi; |
502 |
}; |
}; |
503 |
|
|
504 |
|
blkid_cache blkid; |
505 |
|
|
506 |
struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index); |
struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index); |
507 |
struct singleEntry * findEntryByPath(struct grubConfig * cfg, |
struct singleEntry * findEntryByPath(struct grubConfig * cfg, |
508 |
const char * path, const char * prefix, |
const char * path, const char * prefix, |
509 |
int * index); |
int * index); |
|
static char * strndup(char * from, int len); |
|
510 |
static int readFile(int fd, char ** bufPtr); |
static int readFile(int fd, char ** bufPtr); |
511 |
static void lineInit(struct singleLine * line); |
static void lineInit(struct singleLine * line); |
512 |
|
struct singleLine * lineDup(struct singleLine * line); |
513 |
static void lineFree(struct singleLine * line); |
static void lineFree(struct singleLine * line); |
514 |
static int lineWrite(FILE * out, struct singleLine * line, |
static int lineWrite(FILE * out, struct singleLine * line, |
515 |
struct configFileInfo * cfi); |
struct configFileInfo * cfi); |
516 |
static int getNextLine(char ** bufPtr, struct singleLine * line, |
static int getNextLine(char ** bufPtr, struct singleLine * line, |
517 |
struct configFileInfo * cfi); |
struct configFileInfo * cfi); |
518 |
static char * getRootSpecifier(char * str); |
static char * getRootSpecifier(char * str); |
519 |
|
static void requote(struct singleLine *line, struct configFileInfo * cfi); |
520 |
static char * strndup(char * from, int len) { |
static void insertElement(struct singleLine * line, |
521 |
char * to; |
const char * item, int insertHere, |
522 |
|
struct configFileInfo * cfi); |
523 |
to = malloc(len + 1); |
static void removeElement(struct singleLine * line, int removeHere); |
524 |
strncpy(to, from, len); |
static struct keywordTypes * getKeywordByType(enum lineType_e type, |
525 |
to[len] = '\0'; |
struct configFileInfo * cfi); |
526 |
|
static enum lineType_e getTypeByKeyword(char * keyword, |
527 |
return to; |
struct configFileInfo * cfi); |
528 |
} |
static struct singleLine * getLineByType(enum lineType_e type, |
529 |
|
struct singleLine * line); |
530 |
|
static int checkForExtLinux(struct grubConfig * config); |
531 |
|
struct singleLine * addLineTmpl(struct singleEntry * entry, |
532 |
|
struct singleLine * tmplLine, |
533 |
|
struct singleLine * prevLine, |
534 |
|
const char * val, |
535 |
|
struct configFileInfo * cfi); |
536 |
|
struct singleLine * addLine(struct singleEntry * entry, |
537 |
|
struct configFileInfo * cfi, |
538 |
|
enum lineType_e type, char * defaultIndent, |
539 |
|
const char * val); |
540 |
|
|
541 |
static char * sdupprintf(const char *format, ...) |
static char * sdupprintf(const char *format, ...) |
542 |
#ifdef __GNUC__ |
#ifdef __GNUC__ |
571 |
return buf; |
return buf; |
572 |
} |
} |
573 |
|
|
574 |
|
static struct keywordTypes * getKeywordByType(enum lineType_e type, |
575 |
|
struct configFileInfo * cfi) { |
576 |
|
struct keywordTypes * kw; |
577 |
|
for (kw = cfi->keywords; kw->key; kw++) { |
578 |
|
if (kw->type == type) |
579 |
|
return kw; |
580 |
|
} |
581 |
|
return NULL; |
582 |
|
} |
583 |
|
|
584 |
|
static char *getKeyByType(enum lineType_e type, struct configFileInfo * cfi) { |
585 |
|
struct keywordTypes *kt = getKeywordByType(type, cfi); |
586 |
|
if (kt) |
587 |
|
return kt->key; |
588 |
|
return "unknown"; |
589 |
|
} |
590 |
|
|
591 |
|
static char * getpathbyspec(char *device) { |
592 |
|
if (!blkid) |
593 |
|
blkid_get_cache(&blkid, NULL); |
594 |
|
|
595 |
|
return blkid_get_devname(blkid, device, NULL); |
596 |
|
} |
597 |
|
|
598 |
|
static char * getuuidbydev(char *device) { |
599 |
|
if (!blkid) |
600 |
|
blkid_get_cache(&blkid, NULL); |
601 |
|
|
602 |
|
return blkid_get_tag_value(blkid, "UUID", device); |
603 |
|
} |
604 |
|
|
605 |
|
static enum lineType_e getTypeByKeyword(char * keyword, |
606 |
|
struct configFileInfo * cfi) { |
607 |
|
struct keywordTypes * kw; |
608 |
|
for (kw = cfi->keywords; kw->key; kw++) { |
609 |
|
if (!strcmp(keyword, kw->key)) |
610 |
|
return kw->type; |
611 |
|
} |
612 |
|
return LT_UNKNOWN; |
613 |
|
} |
614 |
|
|
615 |
|
static struct singleLine * getLineByType(enum lineType_e type, |
616 |
|
struct singleLine * line) { |
617 |
|
dbgPrintf("getLineByType(%d): ", type); |
618 |
|
for (; line; line = line->next) { |
619 |
|
dbgPrintf("%d:%s ", line->type, |
620 |
|
line->numElements ? line->elements[0].item : "(empty)"); |
621 |
|
if (line->type & type) break; |
622 |
|
} |
623 |
|
dbgPrintf(line ? "\n" : " (failed)\n"); |
624 |
|
return line; |
625 |
|
} |
626 |
|
|
627 |
static int isBracketedTitle(struct singleLine * line) { |
static int isBracketedTitle(struct singleLine * line) { |
628 |
if ((*line->elements[0].item == '[') && (line->numElements == 1)) { |
if (line->numElements == 1 && *line->elements[0].item == '[') { |
629 |
int len = strlen(line->elements[0].item); |
int len = strlen(line->elements[0].item); |
630 |
if (*(line->elements[0].item + len - 1) == ']') { |
if (*(line->elements[0].item + len - 1) == ']') { |
631 |
/* FIXME: this is a hack... */ |
/* FIXME: this is a hack... */ |
637 |
return 0; |
return 0; |
638 |
} |
} |
639 |
|
|
640 |
/* figure out if this is a entry separator */ |
static int isEntryStart(struct singleLine * line, |
|
static int isEntrySeparator(struct singleLine * line, |
|
641 |
struct configFileInfo * cfi) { |
struct configFileInfo * cfi) { |
642 |
if (line->type == LT_WHITESPACE) |
return line->type == cfi->entryStart || line->type == LT_OTHER || |
643 |
return 0; |
(cfi->titleBracketed && isBracketedTitle(line)); |
|
if (line->type == cfi->entrySeparator) |
|
|
return 1; |
|
|
if (line->type == LT_OTHER) |
|
|
return 1; |
|
|
if (cfi->titleBracketed && isBracketedTitle(line)) { |
|
|
return 1; |
|
|
} |
|
|
return 0; |
|
644 |
} |
} |
645 |
|
|
646 |
/* extract the title from within brackets (for zipl) */ |
/* extract the title from within brackets (for zipl) */ |
691 |
line->next = NULL; |
line->next = NULL; |
692 |
} |
} |
693 |
|
|
694 |
|
struct singleLine * lineDup(struct singleLine * line) { |
695 |
|
int i; |
696 |
|
struct singleLine * newLine = malloc(sizeof(*newLine)); |
697 |
|
|
698 |
|
newLine->indent = strdup(line->indent); |
699 |
|
newLine->next = NULL; |
700 |
|
newLine->type = line->type; |
701 |
|
newLine->numElements = line->numElements; |
702 |
|
newLine->elements = malloc(sizeof(*newLine->elements) * |
703 |
|
newLine->numElements); |
704 |
|
|
705 |
|
for (i = 0; i < newLine->numElements; i++) { |
706 |
|
newLine->elements[i].indent = strdup(line->elements[i].indent); |
707 |
|
newLine->elements[i].item = strdup(line->elements[i].item); |
708 |
|
} |
709 |
|
|
710 |
|
return newLine; |
711 |
|
} |
712 |
|
|
713 |
static void lineFree(struct singleLine * line) { |
static void lineFree(struct singleLine * line) { |
714 |
int i; |
int i; |
715 |
|
|
731 |
if (fprintf(out, "%s", line->indent) == -1) return -1; |
if (fprintf(out, "%s", line->indent) == -1) return -1; |
732 |
|
|
733 |
for (i = 0; i < line->numElements; i++) { |
for (i = 0; i < line->numElements; i++) { |
734 |
|
/* Need to handle this, because we strip the quotes from |
735 |
|
* menuentry when read it. */ |
736 |
|
if (line->type == LT_MENUENTRY && i == 1) { |
737 |
|
if(!isquote(*line->elements[i].item)) |
738 |
|
fprintf(out, "\'%s\'", line->elements[i].item); |
739 |
|
else |
740 |
|
fprintf(out, "%s", line->elements[i].item); |
741 |
|
fprintf(out, "%s", line->elements[i].indent); |
742 |
|
|
743 |
|
continue; |
744 |
|
} |
745 |
|
|
746 |
if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes) |
if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes) |
747 |
if (fputc('"', out) == EOF) return -1; |
if (fputc('"', out) == EOF) return -1; |
748 |
|
|
749 |
if (fprintf(out, "%s", line->elements[i].item) == -1) return -1; |
if (fprintf(out, "%s", line->elements[i].item) == -1) return -1; |
750 |
if (fprintf(out, "%s", line->elements[i].indent) == -1) return -1; |
if (i < line->numElements - 1) |
751 |
|
if (fprintf(out, "%s", line->elements[i].indent) == -1) return -1; |
752 |
} |
} |
753 |
|
|
754 |
if (line->type == LT_KERNELARGS && cfi->argsInQuotes) |
if (line->type == LT_KERNELARGS && cfi->argsInQuotes) |
767 |
char * chptr; |
char * chptr; |
768 |
int elementsAlloced = 0; |
int elementsAlloced = 0; |
769 |
struct lineElement * element; |
struct lineElement * element; |
|
struct keywordTypes * keywords = cfi->keywords; |
|
770 |
int first = 1; |
int first = 1; |
|
int i; |
|
771 |
|
|
772 |
lineFree(line); |
lineFree(line); |
773 |
|
|
821 |
if (!line->numElements) |
if (!line->numElements) |
822 |
line->type = LT_WHITESPACE; |
line->type = LT_WHITESPACE; |
823 |
else { |
else { |
824 |
for (i = 0; keywords[i].key; i++) |
line->type = getTypeByKeyword(line->elements[0].item, cfi); |
825 |
if (!strcmp(line->elements[0].item, keywords[i].key)) break; |
if (line->type == LT_UNKNOWN) { |
|
|
|
|
if (keywords[i].key) { |
|
|
line->type = keywords[i].type; |
|
|
} else { |
|
|
line->type = LT_UNKNOWN; |
|
|
|
|
826 |
/* zipl does [title] instead of something reasonable like all |
/* zipl does [title] instead of something reasonable like all |
827 |
* the other boot loaders. kind of ugly */ |
* the other boot loaders. kind of ugly */ |
828 |
if (cfi->titleBracketed && isBracketedTitle(line)) { |
if (cfi->titleBracketed && isBracketedTitle(line)) { |
858 |
line->type = LT_WHITESPACE; |
line->type = LT_WHITESPACE; |
859 |
line->numElements = 0; |
line->numElements = 0; |
860 |
} |
} |
861 |
|
} else { |
862 |
|
struct keywordTypes *kw; |
863 |
|
|
864 |
|
kw = getKeywordByType(line->type, cfi); |
865 |
|
|
866 |
|
/* space isn't the only separator, we need to split |
867 |
|
* elements up more |
868 |
|
*/ |
869 |
|
if (!isspace(kw->separatorChar)) { |
870 |
|
int i; |
871 |
|
char indent[2] = ""; |
872 |
|
indent[0] = kw->separatorChar; |
873 |
|
for (i = 1; i < line->numElements; i++) { |
874 |
|
char *p; |
875 |
|
int j; |
876 |
|
int numNewElements; |
877 |
|
|
878 |
|
numNewElements = 0; |
879 |
|
p = line->elements[i].item; |
880 |
|
while (*p != '\0') { |
881 |
|
if (*p == kw->separatorChar) |
882 |
|
numNewElements++; |
883 |
|
p++; |
884 |
|
} |
885 |
|
if (line->numElements + numNewElements >= elementsAlloced) { |
886 |
|
elementsAlloced += numNewElements + 5; |
887 |
|
line->elements = realloc(line->elements, |
888 |
|
sizeof(*line->elements) * elementsAlloced); |
889 |
|
} |
890 |
|
|
891 |
|
for (j = line->numElements; j > i; j--) { |
892 |
|
line->elements[j + numNewElements] = line->elements[j]; |
893 |
|
} |
894 |
|
line->numElements += numNewElements; |
895 |
|
|
896 |
|
p = line->elements[i].item; |
897 |
|
while (*p != '\0') { |
898 |
|
|
899 |
|
while (*p != kw->separatorChar && *p != '\0') p++; |
900 |
|
if (*p == '\0') { |
901 |
|
break; |
902 |
|
} |
903 |
|
|
904 |
|
line->elements[i + 1].indent = line->elements[i].indent; |
905 |
|
line->elements[i].indent = strdup(indent); |
906 |
|
*p++ = '\0'; |
907 |
|
i++; |
908 |
|
line->elements[i].item = strdup(p); |
909 |
|
} |
910 |
|
} |
911 |
|
} |
912 |
} |
} |
913 |
} |
} |
914 |
|
|
972 |
cfg->secondaryIndent = strdup(line->indent); |
cfg->secondaryIndent = strdup(line->indent); |
973 |
} |
} |
974 |
|
|
975 |
if (isEntrySeparator(line, cfi)) { |
if (isEntryStart(line, cfi) || (cfg->entries && !sawEntry)) { |
976 |
sawEntry = 1; |
sawEntry = 1; |
977 |
if (!entry) { |
if (!entry) { |
978 |
cfg->entries = malloc(sizeof(*entry)); |
cfg->entries = malloc(sizeof(*entry)); |
988 |
entry->next = NULL; |
entry->next = NULL; |
989 |
} |
} |
990 |
|
|
991 |
if (line->type == LT_DEFAULT && line->numElements == 2) { |
if (line->type == LT_SET_VARIABLE) { |
992 |
|
int i; |
993 |
|
dbgPrintf("found 'set' command (%d elements): ", line->numElements); |
994 |
|
dbgPrintf("%s", line->indent); |
995 |
|
for (i = 0; i < line->numElements; i++) |
996 |
|
dbgPrintf("\"%s\"%s", line->elements[i].item, line->elements[i].indent); |
997 |
|
dbgPrintf("\n"); |
998 |
|
struct keywordTypes *kwType = getKeywordByType(LT_DEFAULT, cfi); |
999 |
|
if (kwType && line->numElements == 3 && |
1000 |
|
!strcmp(line->elements[1].item, kwType->key)) { |
1001 |
|
dbgPrintf("Line sets default config\n"); |
1002 |
|
cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT; |
1003 |
|
defaultLine = line; |
1004 |
|
} |
1005 |
|
} else if (line->type == LT_DEFAULT && line->numElements == 2) { |
1006 |
cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT; |
cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT; |
1007 |
defaultLine = line; |
defaultLine = line; |
1008 |
|
|
1009 |
|
} else if (line->type == LT_KERNEL) { |
1010 |
|
/* if by some freak chance this is multiboot and the "module" |
1011 |
|
* lines came earlier in the template, make sure to use LT_HYPER |
1012 |
|
* instead of LT_KERNEL now |
1013 |
|
*/ |
1014 |
|
if (entry->multiboot) |
1015 |
|
line->type = LT_HYPER; |
1016 |
|
|
1017 |
} else if (line->type == LT_MBMODULE) { |
} else if (line->type == LT_MBMODULE) { |
1018 |
|
/* go back and fix the LT_KERNEL line to indicate LT_HYPER |
1019 |
|
* instead, now that we know this is a multiboot entry. |
1020 |
|
* This only applies to grub, but that's the only place we |
1021 |
|
* should find LT_MBMODULE lines anyway. |
1022 |
|
*/ |
1023 |
|
struct singleLine * l; |
1024 |
|
for (l = entry->lines; l; l = l->next) { |
1025 |
|
if (l->type == LT_HYPER) |
1026 |
|
break; |
1027 |
|
else if (l->type == LT_KERNEL) { |
1028 |
|
l->type = LT_HYPER; |
1029 |
|
break; |
1030 |
|
} |
1031 |
|
} |
1032 |
entry->multiboot = 1; |
entry->multiboot = 1; |
1033 |
|
|
1034 |
|
} else if (line->type == LT_HYPER) { |
1035 |
|
entry->multiboot = 1; |
1036 |
|
|
1037 |
} else if (line->type == LT_FALLBACK && line->numElements == 2) { |
} else if (line->type == LT_FALLBACK && line->numElements == 2) { |
1038 |
cfg->fallbackImage = strtol(line->elements[1].item, &end, 10); |
cfg->fallbackImage = strtol(line->elements[1].item, &end, 10); |
1039 |
if (*end) cfg->fallbackImage = -1; |
if (*end) cfg->fallbackImage = -1; |
1040 |
|
|
1041 |
} else if (line->type == LT_TITLE && line->numElements > 1) { |
} else if (line->type == LT_TITLE && line->numElements > 1) { |
1042 |
/* make the title a single argument (undoing our parsing) */ |
/* make the title a single argument (undoing our parsing) */ |
1043 |
len = 0; |
len = 0; |
1062 |
line->elements[line->numElements - 1].indent; |
line->elements[line->numElements - 1].indent; |
1063 |
line->elements[1].item = buf; |
line->elements[1].item = buf; |
1064 |
line->numElements = 2; |
line->numElements = 2; |
1065 |
|
} else if (line->type == LT_MENUENTRY && line->numElements > 3) { |
1066 |
|
/* let --remove-kernel="TITLE=what" work */ |
1067 |
|
len = 0; |
1068 |
|
char *extras; |
1069 |
|
char *title; |
1070 |
|
|
1071 |
|
for (i = 1; i < line->numElements; i++) { |
1072 |
|
len += strlen(line->elements[i].item); |
1073 |
|
len += strlen(line->elements[i].indent); |
1074 |
|
} |
1075 |
|
buf = malloc(len + 1); |
1076 |
|
*buf = '\0'; |
1077 |
|
|
1078 |
|
/* allocate mem for extra flags. */ |
1079 |
|
extras = malloc(len + 1); |
1080 |
|
*extras = '\0'; |
1081 |
|
|
1082 |
|
/* get title. */ |
1083 |
|
for (i = 0; i < line->numElements; i++) { |
1084 |
|
if (!strcmp(line->elements[i].item, "menuentry")) |
1085 |
|
continue; |
1086 |
|
if (isquote(*line->elements[i].item)) |
1087 |
|
title = line->elements[i].item + 1; |
1088 |
|
else |
1089 |
|
title = line->elements[i].item; |
1090 |
|
|
1091 |
|
len = strlen(title); |
1092 |
|
if (isquote(title[len-1])) { |
1093 |
|
strncat(buf, title,len-1); |
1094 |
|
break; |
1095 |
|
} else { |
1096 |
|
strcat(buf, title); |
1097 |
|
strcat(buf, line->elements[i].indent); |
1098 |
|
} |
1099 |
|
} |
1100 |
|
|
1101 |
|
/* get extras */ |
1102 |
|
int count = 0; |
1103 |
|
for (i = 0; i < line->numElements; i++) { |
1104 |
|
if (count >= 2) { |
1105 |
|
strcat(extras, line->elements[i].item); |
1106 |
|
strcat(extras, line->elements[i].indent); |
1107 |
|
} |
1108 |
|
|
1109 |
|
if (!strcmp(line->elements[i].item, "menuentry")) |
1110 |
|
continue; |
1111 |
|
|
1112 |
|
/* count ' or ", there should be two in menuentry line. */ |
1113 |
|
if (isquote(*line->elements[i].item)) |
1114 |
|
count++; |
1115 |
|
|
1116 |
|
len = strlen(line->elements[i].item); |
1117 |
|
|
1118 |
|
if (isquote(line->elements[i].item[len -1])) |
1119 |
|
count++; |
1120 |
|
|
1121 |
|
/* ok, we get the final ' or ", others are extras. */ |
1122 |
|
} |
1123 |
|
line->elements[1].indent = |
1124 |
|
line->elements[line->numElements - 2].indent; |
1125 |
|
line->elements[1].item = buf; |
1126 |
|
line->elements[2].indent = |
1127 |
|
line->elements[line->numElements - 2].indent; |
1128 |
|
line->elements[2].item = extras; |
1129 |
|
line->numElements = 3; |
1130 |
} else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) { |
} else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) { |
1131 |
/* Strip off any " which may be present; they'll be put back |
/* Strip off any " which may be present; they'll be put back |
1132 |
on write. This is one of the few (the only?) places that grubby |
on write. This is one of the few (the only?) places that grubby |
1135 |
if (line->numElements >= 2) { |
if (line->numElements >= 2) { |
1136 |
int last, len; |
int last, len; |
1137 |
|
|
1138 |
if (*line->elements[1].item == '"') |
if (isquote(*line->elements[1].item)) |
1139 |
memcpy(line->elements[1].item, line->elements[1].item + 1, |
memmove(line->elements[1].item, line->elements[1].item + 1, |
1140 |
strlen(line->elements[1].item + 1) + 1); |
strlen(line->elements[1].item + 1) + 1); |
1141 |
|
|
1142 |
last = line->numElements - 1; |
last = line->numElements - 1; |
1143 |
len = strlen(line->elements[last].item) - 1; |
len = strlen(line->elements[last].item) - 1; |
1144 |
if (line->elements[last].item[len] == '"') |
if (isquote(line->elements[last].item[len])) |
1145 |
line->elements[last].item[len] = '\0'; |
line->elements[last].item[len] = '\0'; |
1146 |
} |
} |
|
|
|
1147 |
} |
} |
1148 |
|
|
1149 |
/* If we find a generic config option which should live at the |
/* If we find a generic config option which should live at the |
1163 |
movedLine = 1; |
movedLine = 1; |
1164 |
continue; /* without setting 'last' */ |
continue; /* without setting 'last' */ |
1165 |
} |
} |
1166 |
|
|
1167 |
/* If a second line of whitespace happens after a generic option |
/* If a second line of whitespace happens after a generic option |
1168 |
which was moved, drop it. */ |
which was moved, drop it. */ |
1169 |
if (movedLine && line->type == LT_WHITESPACE && last->type == LT_WHITESPACE) { |
if (movedLine && line->type == LT_WHITESPACE && last->type == LT_WHITESPACE) { |
1179 |
entry->lines = line; |
entry->lines = line; |
1180 |
else |
else |
1181 |
last->next = line; |
last->next = line; |
1182 |
|
dbgPrintf("readConfig added %s to %p\n", getKeyByType(line->type, cfi), entry); |
1183 |
|
|
1184 |
|
/* we could have seen this outside of an entry... if so, we |
1185 |
|
* ignore it like any other line we don't grok */ |
1186 |
|
if (line->type == LT_ENTRY_END && sawEntry) |
1187 |
|
sawEntry = 0; |
1188 |
} else { |
} else { |
1189 |
if (!cfg->theLines) |
if (!cfg->theLines) |
1190 |
cfg->theLines = line; |
cfg->theLines = line; |
1191 |
else { |
else |
1192 |
last->next = line; |
last->next = line; |
1193 |
} |
dbgPrintf("readConfig added %s to cfg\n", getKeyByType(line->type, cfi)); |
1194 |
} |
} |
1195 |
|
|
1196 |
last = line; |
last = line; |
1198 |
|
|
1199 |
free(incoming); |
free(incoming); |
1200 |
|
|
1201 |
|
dbgPrintf("defaultLine is %s\n", defaultLine ? "set" : "unset"); |
1202 |
if (defaultLine) { |
if (defaultLine) { |
1203 |
if (cfi->defaultSupportSaved && |
if (defaultLine->numElements > 2 && |
1204 |
|
cfi->defaultSupportSaved && |
1205 |
|
!strncmp(defaultLine->elements[2].item,"\"${saved_entry}\"", 16)) { |
1206 |
|
cfg->defaultImage = DEFAULT_SAVED_GRUB2; |
1207 |
|
} else if (cfi->defaultIsVariable) { |
1208 |
|
char *value = defaultLine->elements[2].item; |
1209 |
|
while (*value && (*value == '"' || *value == '\'' || |
1210 |
|
*value == ' ' || *value == '\t')) |
1211 |
|
value++; |
1212 |
|
cfg->defaultImage = strtol(value, &end, 10); |
1213 |
|
while (*end && (*end == '"' || *end == '\'' || |
1214 |
|
*end == ' ' || *end == '\t')) |
1215 |
|
end++; |
1216 |
|
if (*end) cfg->defaultImage = -1; |
1217 |
|
} else if (cfi->defaultSupportSaved && |
1218 |
!strncmp(defaultLine->elements[1].item, "saved", 5)) { |
!strncmp(defaultLine->elements[1].item, "saved", 5)) { |
1219 |
cfg->defaultImage = DEFAULT_SAVED; |
cfg->defaultImage = DEFAULT_SAVED; |
1220 |
} else if (cfi->defaultIsIndex) { |
} else if (cfi->defaultIsIndex) { |
1235 |
extractTitle(line))) break; |
extractTitle(line))) break; |
1236 |
} |
} |
1237 |
i++; |
i++; |
1238 |
|
entry = NULL; |
1239 |
} |
} |
1240 |
|
|
1241 |
if (entry) cfg->defaultImage = i; |
if (entry){ |
1242 |
|
cfg->defaultImage = i; |
1243 |
|
}else{ |
1244 |
|
cfg->defaultImage = -1; |
1245 |
|
} |
1246 |
} |
} |
1247 |
|
} else { |
1248 |
|
cfg->defaultImage = 0; |
1249 |
} |
} |
1250 |
|
|
1251 |
return cfg; |
return cfg; |
1261 |
|
|
1262 |
if (cfg->defaultImage == DEFAULT_SAVED) |
if (cfg->defaultImage == DEFAULT_SAVED) |
1263 |
fprintf(out, "%sdefault%ssaved\n", indent, separator); |
fprintf(out, "%sdefault%ssaved\n", indent, separator); |
1264 |
|
else if (cfg->defaultImage == DEFAULT_SAVED_GRUB2) |
1265 |
|
fprintf(out, "%sset default=\"${saved_entry}\"\n", indent); |
1266 |
else if (cfg->defaultImage > -1) { |
else if (cfg->defaultImage > -1) { |
1267 |
if (cfg->cfi->defaultIsIndex) { |
if (cfg->cfi->defaultIsIndex) { |
1268 |
fprintf(out, "%sdefault%s%d\n", indent, separator, |
if (cfg->cfi->defaultIsVariable) { |
1269 |
cfg->defaultImage); |
fprintf(out, "%sset default=\"%d\"\n", indent, |
1270 |
|
cfg->defaultImage); |
1271 |
|
} else { |
1272 |
|
fprintf(out, "%sdefault%s%d\n", indent, separator, |
1273 |
|
cfg->defaultImage); |
1274 |
|
} |
1275 |
} else { |
} else { |
1276 |
int image = cfg->defaultImage; |
int image = cfg->defaultImage; |
1277 |
|
|
1288 |
|
|
1289 |
if (!entry) return; |
if (!entry) return; |
1290 |
|
|
1291 |
line = entry->lines; |
line = getLineByType(LT_TITLE, entry->lines); |
|
while (line && line->type != LT_TITLE) line = line->next; |
|
1292 |
|
|
1293 |
if (line && line->numElements >= 2) |
if (line && line->numElements >= 2) |
1294 |
fprintf(out, "%sdefault%s%s\n", indent, separator, |
fprintf(out, "%sdefault%s%s\n", indent, separator, |
1322 |
int rc; |
int rc; |
1323 |
|
|
1324 |
/* most likely the symlink is relative, so change our |
/* most likely the symlink is relative, so change our |
1325 |
directory to / */ |
directory to the dir of the symlink */ |
1326 |
rc = chdir("/"); |
rc = chdir(dirname(outName)); |
1327 |
do { |
do { |
1328 |
buf = alloca(len + 1); |
buf = alloca(len + 1); |
1329 |
rc = readlink(outName, buf, len); |
rc = readlink(basename(outName), buf, len); |
1330 |
if (rc == len) len += 256; |
if (rc == len) len += 256; |
1331 |
} while (rc == len); |
} while (rc == len); |
1332 |
|
|
1361 |
} |
} |
1362 |
|
|
1363 |
line = cfg->theLines; |
line = cfg->theLines; |
1364 |
|
struct keywordTypes *defaultKw = getKeywordByType(LT_DEFAULT, cfg->cfi); |
1365 |
while (line) { |
while (line) { |
1366 |
if (line->type == LT_DEFAULT) { |
if (line->type == LT_SET_VARIABLE && defaultKw && |
1367 |
|
line->numElements == 3 && |
1368 |
|
!strcmp(line->elements[1].item, defaultKw->key)) { |
1369 |
|
writeDefault(out, line->indent, line->elements[0].indent, cfg); |
1370 |
|
needs &= ~MAIN_DEFAULT; |
1371 |
|
} else if (line->type == LT_DEFAULT) { |
1372 |
writeDefault(out, line->indent, line->elements[0].indent, cfg); |
writeDefault(out, line->indent, line->elements[0].indent, cfg); |
1373 |
needs &= ~MAIN_DEFAULT; |
needs &= ~MAIN_DEFAULT; |
1374 |
} else if (line->type == LT_FALLBACK) { |
} else if (line->type == LT_FALLBACK) { |
1436 |
return i; |
return i; |
1437 |
} |
} |
1438 |
|
|
1439 |
|
static char *findDiskForRoot() |
1440 |
|
{ |
1441 |
|
int fd; |
1442 |
|
char buf[65536]; |
1443 |
|
char *devname; |
1444 |
|
char *chptr; |
1445 |
|
int rc; |
1446 |
|
|
1447 |
|
if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) { |
1448 |
|
fprintf(stderr, "grubby: failed to open %s: %s\n", |
1449 |
|
_PATH_MOUNTED, strerror(errno)); |
1450 |
|
return NULL; |
1451 |
|
} |
1452 |
|
|
1453 |
|
rc = read(fd, buf, sizeof(buf) - 1); |
1454 |
|
if (rc <= 0) { |
1455 |
|
fprintf(stderr, "grubby: failed to read %s: %s\n", |
1456 |
|
_PATH_MOUNTED, strerror(errno)); |
1457 |
|
close(fd); |
1458 |
|
return NULL; |
1459 |
|
} |
1460 |
|
close(fd); |
1461 |
|
buf[rc] = '\0'; |
1462 |
|
chptr = buf; |
1463 |
|
|
1464 |
|
char *foundanswer = NULL; |
1465 |
|
|
1466 |
|
while (chptr && chptr != buf+rc) { |
1467 |
|
devname = chptr; |
1468 |
|
|
1469 |
|
/* |
1470 |
|
* The first column of a mtab entry is the device, but if the entry is a |
1471 |
|
* special device it won't start with /, so move on to the next line. |
1472 |
|
*/ |
1473 |
|
if (*devname != '/') { |
1474 |
|
chptr = strchr(chptr, '\n'); |
1475 |
|
if (chptr) |
1476 |
|
chptr++; |
1477 |
|
continue; |
1478 |
|
} |
1479 |
|
|
1480 |
|
/* Seek to the next space */ |
1481 |
|
chptr = strchr(chptr, ' '); |
1482 |
|
if (!chptr) { |
1483 |
|
fprintf(stderr, "grubby: error parsing %s: %s\n", |
1484 |
|
_PATH_MOUNTED, strerror(errno)); |
1485 |
|
return NULL; |
1486 |
|
} |
1487 |
|
|
1488 |
|
/* |
1489 |
|
* The second column of a mtab entry is the mount point, we are looking |
1490 |
|
* for '/' obviously. |
1491 |
|
*/ |
1492 |
|
if (*(++chptr) == '/' && *(++chptr) == ' ') { |
1493 |
|
/* remember the last / entry in mtab */ |
1494 |
|
foundanswer = devname; |
1495 |
|
} |
1496 |
|
|
1497 |
|
/* Next line */ |
1498 |
|
chptr = strchr(chptr, '\n'); |
1499 |
|
if (chptr) |
1500 |
|
chptr++; |
1501 |
|
} |
1502 |
|
|
1503 |
|
/* Return the last / entry found */ |
1504 |
|
if (foundanswer) { |
1505 |
|
chptr = strchr(foundanswer, ' '); |
1506 |
|
*chptr = '\0'; |
1507 |
|
return strdup(foundanswer); |
1508 |
|
} |
1509 |
|
|
1510 |
|
return NULL; |
1511 |
|
} |
1512 |
|
|
1513 |
|
void printEntry(struct singleEntry * entry) { |
1514 |
|
int i; |
1515 |
|
struct singleLine * line; |
1516 |
|
|
1517 |
|
for (line = entry->lines; line; line = line->next) { |
1518 |
|
fprintf(stderr, "DBG: %s", line->indent); |
1519 |
|
for (i = 0; i < line->numElements; i++) { |
1520 |
|
/* Need to handle this, because we strip the quotes from |
1521 |
|
* menuentry when read it. */ |
1522 |
|
if (line->type == LT_MENUENTRY && i == 1) { |
1523 |
|
if(!isquote(*line->elements[i].item)) |
1524 |
|
fprintf(stderr, "\'%s\'", line->elements[i].item); |
1525 |
|
else |
1526 |
|
fprintf(stderr, "%s", line->elements[i].item); |
1527 |
|
fprintf(stderr, "%s", line->elements[i].indent); |
1528 |
|
|
1529 |
|
continue; |
1530 |
|
} |
1531 |
|
|
1532 |
|
fprintf(stderr, "%s%s", |
1533 |
|
line->elements[i].item, line->elements[i].indent); |
1534 |
|
} |
1535 |
|
fprintf(stderr, "\n"); |
1536 |
|
} |
1537 |
|
} |
1538 |
|
|
1539 |
|
void notSuitablePrintf(struct singleEntry * entry, const char *fmt, ...) |
1540 |
|
{ |
1541 |
|
va_list argp; |
1542 |
|
|
1543 |
|
if (!debug) |
1544 |
|
return; |
1545 |
|
|
1546 |
|
va_start(argp, fmt); |
1547 |
|
fprintf(stderr, "DBG: Image entry failed: "); |
1548 |
|
vfprintf(stderr, fmt, argp); |
1549 |
|
printEntry(entry); |
1550 |
|
va_end(argp); |
1551 |
|
} |
1552 |
|
|
1553 |
|
#define beginswith(s, c) ((s) && (s)[0] == (c)) |
1554 |
|
|
1555 |
|
static int endswith(const char *s, char c) |
1556 |
|
{ |
1557 |
|
int slen; |
1558 |
|
|
1559 |
|
if (!s || !s[0]) |
1560 |
|
return 0; |
1561 |
|
slen = strlen(s) - 1; |
1562 |
|
|
1563 |
|
return s[slen] == c; |
1564 |
|
} |
1565 |
|
|
1566 |
int suitableImage(struct singleEntry * entry, const char * bootPrefix, |
int suitableImage(struct singleEntry * entry, const char * bootPrefix, |
1567 |
int skipRemoved, int flags) { |
int skipRemoved, int flags) { |
1568 |
struct singleLine * line; |
struct singleLine * line; |
1569 |
char * fullName; |
char * fullName; |
1570 |
int i; |
int i; |
|
struct stat sb, sb2; |
|
1571 |
char * dev; |
char * dev; |
|
char * end; |
|
1572 |
char * rootspec; |
char * rootspec; |
1573 |
|
char * rootdev; |
1574 |
|
|
1575 |
line = entry->lines; |
if (skipRemoved && entry->skip) { |
1576 |
while (line && line->type != LT_KERNEL) line = line->next; |
notSuitablePrintf(entry, "marked to skip\n"); |
1577 |
|
return 0; |
1578 |
if (!line) return 0; |
} |
1579 |
if (skipRemoved && entry->skip) return 0; |
|
1580 |
if (line->numElements < 2) return 0; |
line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines); |
1581 |
|
if (!line) { |
1582 |
|
notSuitablePrintf(entry, "no line found\n"); |
1583 |
|
return 0; |
1584 |
|
} |
1585 |
|
if (line->numElements < 2) { |
1586 |
|
notSuitablePrintf(entry, "line has only %d elements\n", |
1587 |
|
line->numElements); |
1588 |
|
return 0; |
1589 |
|
} |
1590 |
|
|
1591 |
if (flags & GRUBBY_BADIMAGE_OKAY) return 1; |
if (flags & GRUBBY_BADIMAGE_OKAY) return 1; |
1592 |
|
|
1593 |
fullName = alloca(strlen(bootPrefix) + |
fullName = alloca(strlen(bootPrefix) + |
1594 |
strlen(line->elements[1].item) + 1); |
strlen(line->elements[1].item) + 1); |
1595 |
rootspec = getRootSpecifier(line->elements[1].item); |
rootspec = getRootSpecifier(line->elements[1].item); |
1596 |
sprintf(fullName, "%s%s", bootPrefix, |
int rootspec_offset = rootspec ? strlen(rootspec) : 0; |
1597 |
line->elements[1].item + ((rootspec != NULL) ? |
int hasslash = endswith(bootPrefix, '/') || |
1598 |
strlen(rootspec) : 0)); |
beginswith(line->elements[1].item + rootspec_offset, '/'); |
1599 |
if (access(fullName, R_OK)) return 0; |
sprintf(fullName, "%s%s%s", bootPrefix, hasslash ? "" : "/", |
1600 |
|
line->elements[1].item + rootspec_offset); |
1601 |
|
if (access(fullName, R_OK)) { |
1602 |
|
notSuitablePrintf(entry, "access to %s failed\n", fullName); |
1603 |
|
return 0; |
1604 |
|
} |
1605 |
for (i = 2; i < line->numElements; i++) |
for (i = 2; i < line->numElements; i++) |
1606 |
if (!strncasecmp(line->elements[i].item, "root=", 5)) break; |
if (!strncasecmp(line->elements[i].item, "root=", 5)) break; |
1607 |
if (i < line->numElements) { |
if (i < line->numElements) { |
1608 |
dev = line->elements[i].item + 5; |
dev = line->elements[i].item + 5; |
1609 |
} else { |
} else { |
1610 |
/* look for a lilo style LT_ROOT line */ |
/* look for a lilo style LT_ROOT line */ |
1611 |
line = entry->lines; |
line = getLineByType(LT_ROOT, entry->lines); |
|
while (line && line->type != LT_ROOT) line = line->next; |
|
1612 |
|
|
1613 |
if (line && line->numElements >= 2) { |
if (line && line->numElements >= 2) { |
1614 |
dev = line->elements[1].item; |
dev = line->elements[1].item; |
1615 |
} else { |
} else { |
1616 |
int type; |
/* didn't succeed in finding a LT_ROOT, let's try LT_KERNELARGS. |
1617 |
/* didn't succeed in finding a LT_ROOT, let's try LT_KERNELARGS */ |
* grub+multiboot uses LT_MBMODULE for the args, so check that too. |
1618 |
line = entry->lines; |
*/ |
1619 |
|
line = getLineByType(LT_KERNELARGS|LT_MBMODULE, entry->lines); |
|
type = ((entry->multiboot) ? LT_MBMODULE : LT_KERNELARGS); |
|
|
|
|
|
while (line && line->type != type) line = line->next; |
|
1620 |
|
|
1621 |
/* failed to find one */ |
/* failed to find one */ |
1622 |
if (!line) return 0; |
if (!line) { |
1623 |
|
notSuitablePrintf(entry, "no line found\n"); |
1624 |
|
return 0; |
1625 |
|
} |
1626 |
|
|
1627 |
for (i = 1; i < line->numElements; i++) |
for (i = 1; i < line->numElements; i++) |
1628 |
if (!strncasecmp(line->elements[i].item, "root=", 5)) break; |
if (!strncasecmp(line->elements[i].item, "root=", 5)) break; |
1629 |
if (i < line->numElements) |
if (i < line->numElements) |
1630 |
dev = line->elements[i].item + 5; |
dev = line->elements[i].item + 5; |
1631 |
else { |
else { |
1632 |
|
notSuitablePrintf(entry, "no root= entry found\n"); |
1633 |
/* it failed too... can't find root= */ |
/* it failed too... can't find root= */ |
1634 |
return 0; |
return 0; |
1635 |
} |
} |
1636 |
} |
} |
1637 |
} |
} |
1638 |
|
|
1639 |
if (!strncmp(dev, "LABEL=", 6)) { |
dev = getpathbyspec(dev); |
1640 |
dev += 6; |
if (!getpathbyspec(dev)) { |
1641 |
|
notSuitablePrintf(entry, "can't find blkid entry for %s\n", dev); |
1642 |
/* check which device has this label */ |
return 0; |
1643 |
dev = get_spec_by_volume_label(dev, &i, &i); |
} else |
1644 |
if (!dev) return 0; |
dev = getpathbyspec(dev); |
1645 |
|
|
1646 |
|
rootdev = findDiskForRoot(); |
1647 |
|
if (!rootdev) { |
1648 |
|
notSuitablePrintf(entry, "can't find root device\n"); |
1649 |
|
return 0; |
1650 |
} |
} |
1651 |
|
|
1652 |
if (*dev == '/') { |
if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) { |
1653 |
if (stat(dev, &sb)) |
notSuitablePrintf(entry, "uuid missing: rootdev %s, dev %s\n", |
1654 |
return 0; |
getuuidbydev(rootdev), getuuidbydev(dev)); |
1655 |
} else { |
free(rootdev); |
1656 |
sb.st_rdev = strtol(dev, &end, 16); |
return 0; |
1657 |
if (*end) return 0; |
} |
1658 |
|
|
1659 |
|
if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) { |
1660 |
|
notSuitablePrintf(entry, "uuid mismatch: rootdev %s, dev %s\n", |
1661 |
|
getuuidbydev(rootdev), getuuidbydev(dev)); |
1662 |
|
free(rootdev); |
1663 |
|
return 0; |
1664 |
} |
} |
|
stat("/", &sb2); |
|
1665 |
|
|
1666 |
if (sb.st_rdev != sb2.st_dev) return 0; |
free(rootdev); |
1667 |
|
|
1668 |
return 1; |
return 1; |
1669 |
} |
} |
1707 |
entry = findEntryByIndex(config, indexVars[i]); |
entry = findEntryByIndex(config, indexVars[i]); |
1708 |
if (!entry) return NULL; |
if (!entry) return NULL; |
1709 |
|
|
1710 |
line = entry->lines; |
line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines); |
|
while (line && line->type != LT_KERNEL) |
|
|
line = line->next; |
|
|
|
|
1711 |
if (!line) return NULL; |
if (!line) return NULL; |
1712 |
|
|
1713 |
if (index) *index = indexVars[i]; |
if (index) *index = indexVars[i]; |
1745 |
|
|
1746 |
if (!strncmp(kernel, "TITLE=", 6)) { |
if (!strncmp(kernel, "TITLE=", 6)) { |
1747 |
prefix = ""; |
prefix = ""; |
1748 |
checkType = LT_TITLE; |
checkType = LT_TITLE|LT_MENUENTRY; |
1749 |
kernel += 6; |
kernel += 6; |
1750 |
} |
} |
1751 |
|
|
1752 |
while ((entry = findEntryByIndex(config, i))) { |
for (entry = findEntryByIndex(config, i); entry; entry = entry->next, i++) { |
1753 |
line = entry->lines; |
if (entry->skip) continue; |
|
while (line && line->type != checkType) line=line->next; |
|
1754 |
|
|
1755 |
|
dbgPrintf("findEntryByPath looking for %d %s in %p\n", checkType, kernel, entry); |
1756 |
|
|
1757 |
if (line && line->numElements >= 2 && !entry->skip) { |
/* check all the lines matching checkType */ |
1758 |
rootspec = getRootSpecifier(line->elements[1].item); |
for (line = entry->lines; line; line = line->next) { |
1759 |
if (!strcmp(line->elements[1].item + |
line = getLineByType(entry->multiboot && checkType == LT_KERNEL ? |
1760 |
((rootspec != NULL) ? strlen(rootspec) : 0), |
LT_KERNEL|LT_MBMODULE|LT_HYPER : |
1761 |
kernel + strlen(prefix))) |
checkType, line); |
1762 |
break; |
if (!line) break; /* not found in this entry */ |
1763 |
} |
|
1764 |
|
if (line && line->type != LT_MENUENTRY && |
1765 |
/* have to check multiboot lines too */ |
line->numElements >= 2) { |
1766 |
if (entry->multiboot) { |
rootspec = getRootSpecifier(line->elements[1].item); |
1767 |
while (line && line->type != LT_MBMODULE) line = line->next; |
if (!strcmp(line->elements[1].item + |
1768 |
if (line && line->numElements >= 2 && !entry->skip) { |
((rootspec != NULL) ? strlen(rootspec) : 0), |
1769 |
rootspec = getRootSpecifier(line->elements[1].item); |
kernel + strlen(prefix))) |
1770 |
if (!strcmp(line->elements[1].item + |
break; |
1771 |
((rootspec != NULL) ? strlen(rootspec) : 0), |
} |
1772 |
kernel + strlen(prefix))) |
if(line->type == LT_MENUENTRY && |
1773 |
break; |
!strcmp(line->elements[1].item, kernel)) |
1774 |
} |
break; |
1775 |
} |
} |
1776 |
|
|
1777 |
i++; |
/* make sure this entry has a kernel identifier; this skips |
1778 |
|
* non-Linux boot entries (could find netbsd etc, though, which is |
1779 |
|
* unfortunate) |
1780 |
|
*/ |
1781 |
|
if (line && getLineByType(LT_KERNEL|LT_HYPER, entry->lines)) |
1782 |
|
break; /* found 'im! */ |
1783 |
} |
} |
1784 |
|
|
1785 |
if (index) *index = i; |
if (index) *index = i; |
1786 |
} |
} |
1787 |
|
|
1788 |
if (!entry) return NULL; |
return entry; |
1789 |
|
} |
|
/* make sure this entry has a kernel identifier; this skips non-Linux |
|
|
boot entries (could find netbsd etc, though, which is unfortunate) */ |
|
|
line = entry->lines; |
|
|
while (line && line->type != LT_KERNEL) line = line->next; |
|
|
if (!line) { |
|
|
if (!index) index = &i; |
|
|
(*index)++; |
|
|
return findEntryByPath(config, kernel, prefix, index); |
|
|
} |
|
|
|
|
|
return entry; |
|
|
} |
|
1790 |
|
|
1791 |
struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index) { |
struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index) { |
1792 |
struct singleEntry * entry; |
struct singleEntry * entry; |
1863 |
const char * prefix) { |
const char * prefix) { |
1864 |
struct singleEntry * entry; |
struct singleEntry * entry; |
1865 |
|
|
1866 |
if (!image) return; |
if (!image) |
1867 |
|
return; |
1868 |
|
|
1869 |
|
/* check and see if we're removing the default image */ |
1870 |
|
if (isdigit(*image)) { |
1871 |
|
entry = findEntryByPath(cfg, image, prefix, NULL); |
1872 |
|
if(entry) |
1873 |
|
entry->skip = 1; |
1874 |
|
return; |
1875 |
|
} |
1876 |
|
|
1877 |
while ((entry = findEntryByPath(cfg, image, prefix, NULL))) |
while ((entry = findEntryByPath(cfg, image, prefix, NULL))) |
1878 |
entry->skip = 1; |
entry->skip = 1; |
1899 |
|
|
1900 |
/* defaultImage now points to what we'd like to use, but before any order |
/* defaultImage now points to what we'd like to use, but before any order |
1901 |
changes */ |
changes */ |
1902 |
if (config->defaultImage == DEFAULT_SAVED) |
if ((config->defaultImage == DEFAULT_SAVED) || |
1903 |
|
(config->defaultImage == DEFAULT_SAVED_GRUB2)) |
1904 |
/* default is set to saved, we don't want to change it */ |
/* default is set to saved, we don't want to change it */ |
1905 |
return; |
return; |
1906 |
|
|
1959 |
char * root = NULL; |
char * root = NULL; |
1960 |
int i; |
int i; |
1961 |
|
|
|
line = entry->lines; |
|
|
while (line && line->type != LT_KERNEL) line = line->next; |
|
|
|
|
1962 |
printf("index=%d\n", index); |
printf("index=%d\n", index); |
1963 |
|
|
1964 |
printf("kernel=%s\n", line->elements[1].item); |
line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines); |
1965 |
|
if (!line) { |
1966 |
|
printf("non linux entry\n"); |
1967 |
|
return; |
1968 |
|
} |
1969 |
|
|
1970 |
|
printf("kernel=%s%s\n", prefix, line->elements[1].item); |
1971 |
|
|
1972 |
if (line->numElements >= 3) { |
if (line->numElements >= 3) { |
1973 |
printf("args=\""); |
printf("args=\""); |
1984 |
} |
} |
1985 |
printf("\"\n"); |
printf("\"\n"); |
1986 |
} else { |
} else { |
1987 |
line = entry->lines; |
line = getLineByType(LT_KERNELARGS, entry->lines); |
|
while (line && line->type != LT_KERNELARGS) line=line->next; |
|
|
|
|
1988 |
if (line) { |
if (line) { |
1989 |
char * s; |
char * s; |
1990 |
|
|
2008 |
} |
} |
2009 |
|
|
2010 |
if (!root) { |
if (!root) { |
2011 |
line = entry->lines; |
line = getLineByType(LT_ROOT, entry->lines); |
|
while (line && line->type != LT_ROOT) line = line->next; |
|
|
|
|
2012 |
if (line && line->numElements >= 2) |
if (line && line->numElements >= 2) |
2013 |
root=line->elements[1].item; |
root=line->elements[1].item; |
2014 |
} |
} |
2023 |
printf("root=%s\n", s); |
printf("root=%s\n", s); |
2024 |
} |
} |
2025 |
|
|
2026 |
line = entry->lines; |
line = getLineByType(LT_INITRD, entry->lines); |
|
while (line && line->type != LT_INITRD) line = line->next; |
|
2027 |
|
|
2028 |
if (line && line->numElements >= 2) { |
if (line && line->numElements >= 2) { |
2029 |
printf("initrd=%s", prefix); |
printf("initrd=%s", prefix); |
2031 |
printf("%s%s", line->elements[i].item, line->elements[i].indent); |
printf("%s%s", line->elements[i].item, line->elements[i].indent); |
2032 |
printf("\n"); |
printf("\n"); |
2033 |
} |
} |
2034 |
|
|
2035 |
|
line = getLineByType(LT_TITLE, entry->lines); |
2036 |
|
if (line) { |
2037 |
|
printf("title=%s\n", line->elements[1].item); |
2038 |
|
} else { |
2039 |
|
char * title; |
2040 |
|
line = getLineByType(LT_MENUENTRY, entry->lines); |
2041 |
|
title = grub2ExtractTitle(line); |
2042 |
|
if (title) |
2043 |
|
printf("title=%s\n", title); |
2044 |
|
} |
2045 |
} |
} |
2046 |
|
|
2047 |
int parseSysconfigGrub(int * lbaPtr, char ** bootPtr) { |
int parseSysconfigGrub(int * lbaPtr, char ** bootPtr) { |
2051 |
char * start; |
char * start; |
2052 |
char * param; |
char * param; |
2053 |
|
|
2054 |
in = fopen("/etc/sysconfig/grub", "r"); |
in = fopen("/etc/conf.d/grub", "r"); |
2055 |
if (!in) return 1; |
if (!in) return 1; |
2056 |
|
|
2057 |
if (lbaPtr) *lbaPtr = 0; |
if (lbaPtr) *lbaPtr = 0; |
2113 |
return 1; |
return 1; |
2114 |
} |
} |
2115 |
|
|
2116 |
/* this is a horrible hack to support /etc/sysconfig/grub; there must |
/* this is a horrible hack to support /etc/conf.d/grub; there must |
2117 |
be a better way */ |
be a better way */ |
2118 |
if (config->cfi == &grubConfigType) { |
if (config->cfi == &grubConfigType) { |
2119 |
dumpSysconfigGrub(); |
dumpSysconfigGrub(); |
2120 |
} else { |
} else { |
2121 |
line = config->theLines; |
line = getLineByType(LT_BOOT, config->theLines); |
|
while (line && line->type != LT_BOOT) line = line->next; |
|
2122 |
if (line && line->numElements >= 1) { |
if (line && line->numElements >= 1) { |
2123 |
printf("boot=%s\n", line->elements[1].item); |
printf("boot=%s\n", line->elements[1].item); |
2124 |
} |
} |
2125 |
|
|
2126 |
line = config->theLines; |
line = getLineByType(LT_LBA, config->theLines); |
|
while (line && line->type != LT_LBA) line = line->next; |
|
2127 |
if (line) printf("lba\n"); |
if (line) printf("lba\n"); |
2128 |
} |
} |
2129 |
|
|
2138 |
return 0; |
return 0; |
2139 |
} |
} |
2140 |
|
|
2141 |
|
struct singleLine * addLineTmpl(struct singleEntry * entry, |
2142 |
|
struct singleLine * tmplLine, |
2143 |
|
struct singleLine * prevLine, |
2144 |
|
const char * val, |
2145 |
|
struct configFileInfo * cfi) |
2146 |
|
{ |
2147 |
|
struct singleLine * newLine = lineDup(tmplLine); |
2148 |
|
|
2149 |
|
if (val) { |
2150 |
|
/* override the inherited value with our own. |
2151 |
|
* This is a little weak because it only applies to elements[1] |
2152 |
|
*/ |
2153 |
|
if (newLine->numElements > 1) |
2154 |
|
removeElement(newLine, 1); |
2155 |
|
insertElement(newLine, val, 1, cfi); |
2156 |
|
|
2157 |
|
/* but try to keep the rootspec from the template... sigh */ |
2158 |
|
if (tmplLine->type & (LT_HYPER|LT_KERNEL|LT_MBMODULE|LT_INITRD)) { |
2159 |
|
char * rootspec = getRootSpecifier(tmplLine->elements[1].item); |
2160 |
|
if (rootspec != NULL) { |
2161 |
|
free(newLine->elements[1].item); |
2162 |
|
newLine->elements[1].item = |
2163 |
|
sdupprintf("%s%s", rootspec, val); |
2164 |
|
} |
2165 |
|
} |
2166 |
|
} |
2167 |
|
|
2168 |
|
dbgPrintf("addLineTmpl(%s)\n", newLine->numElements ? |
2169 |
|
newLine->elements[0].item : ""); |
2170 |
|
|
2171 |
|
if (!entry->lines) { |
2172 |
|
/* first one on the list */ |
2173 |
|
entry->lines = newLine; |
2174 |
|
} else if (prevLine) { |
2175 |
|
/* add after prevLine */ |
2176 |
|
newLine->next = prevLine->next; |
2177 |
|
prevLine->next = newLine; |
2178 |
|
} |
2179 |
|
|
2180 |
|
return newLine; |
2181 |
|
} |
2182 |
|
|
2183 |
/* val may be NULL */ |
/* val may be NULL */ |
2184 |
struct singleLine * addLine(struct singleEntry * entry, |
struct singleLine * addLine(struct singleEntry * entry, |
2185 |
struct configFileInfo * cfi, |
struct configFileInfo * cfi, |
2186 |
enum lineType_e type, const char * defaultIndent, |
enum lineType_e type, char * defaultIndent, |
2187 |
char * val) { |
const char * val) { |
2188 |
struct singleLine * line, * prev; |
struct singleLine * line, * prev; |
2189 |
int i; |
struct keywordTypes * kw; |
2190 |
|
struct singleLine tmpl; |
2191 |
|
|
2192 |
for (i = 0; cfi->keywords[i].key; i++) |
/* NB: This function shouldn't allocate items on the heap, rather on the |
2193 |
if (cfi->keywords[i].type == type) break; |
* stack since it calls addLineTmpl which will make copies. |
2194 |
if (type != LT_TITLE || !cfi->titleBracketed) |
*/ |
2195 |
if (!cfi->keywords[i].key) abort(); |
|
2196 |
|
if (type == LT_TITLE && cfi->titleBracketed) { |
2197 |
|
/* we're doing a bracketed title (zipl) */ |
2198 |
|
tmpl.type = type; |
2199 |
|
tmpl.numElements = 1; |
2200 |
|
tmpl.elements = alloca(sizeof(*tmpl.elements)); |
2201 |
|
tmpl.elements[0].item = alloca(strlen(val)+3); |
2202 |
|
sprintf(tmpl.elements[0].item, "[%s]", val); |
2203 |
|
tmpl.elements[0].indent = ""; |
2204 |
|
val = NULL; |
2205 |
|
} else if (type == LT_MENUENTRY) { |
2206 |
|
char *lineend = "--class gnu-linux --class gnu --class os {"; |
2207 |
|
if (!val) { |
2208 |
|
fprintf(stderr, "Line type LT_MENUENTRY requires a value\n"); |
2209 |
|
abort(); |
2210 |
|
} |
2211 |
|
kw = getKeywordByType(type, cfi); |
2212 |
|
if (!kw) { |
2213 |
|
fprintf(stderr, "Looking up keyword for unknown type %d\n", type); |
2214 |
|
abort(); |
2215 |
|
} |
2216 |
|
tmpl.indent = ""; |
2217 |
|
tmpl.type = type; |
2218 |
|
tmpl.numElements = 3; |
2219 |
|
tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements); |
2220 |
|
tmpl.elements[0].item = kw->key; |
2221 |
|
tmpl.elements[0].indent = alloca(2); |
2222 |
|
sprintf(tmpl.elements[0].indent, "%c", kw->nextChar); |
2223 |
|
tmpl.elements[1].item = (char *)val; |
2224 |
|
tmpl.elements[1].indent = alloca(2); |
2225 |
|
sprintf(tmpl.elements[1].indent, "%c", kw->nextChar); |
2226 |
|
tmpl.elements[2].item = alloca(strlen(lineend)+1); |
2227 |
|
strcpy(tmpl.elements[2].item, lineend); |
2228 |
|
tmpl.elements[2].indent = ""; |
2229 |
|
} else { |
2230 |
|
kw = getKeywordByType(type, cfi); |
2231 |
|
if (!kw) { |
2232 |
|
fprintf(stderr, "Looking up keyword for unknown type %d\n", type); |
2233 |
|
abort(); |
2234 |
|
} |
2235 |
|
tmpl.type = type; |
2236 |
|
tmpl.numElements = val ? 2 : 1; |
2237 |
|
tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements); |
2238 |
|
tmpl.elements[0].item = kw->key; |
2239 |
|
tmpl.elements[0].indent = alloca(2); |
2240 |
|
sprintf(tmpl.elements[0].indent, "%c", kw->nextChar); |
2241 |
|
if (val) { |
2242 |
|
tmpl.elements[1].item = (char *)val; |
2243 |
|
tmpl.elements[1].indent = ""; |
2244 |
|
} |
2245 |
|
} |
2246 |
|
|
2247 |
/* The last non-empty line gives us the indention to us and the line |
/* The last non-empty line gives us the indention to us and the line |
2248 |
to insert after. Note that comments are considered empty lines, which |
to insert after. Note that comments are considered empty lines, which |
2249 |
may not be ideal? If there are no lines or we are looking at the |
may not be ideal? If there are no lines or we are looking at the |
2250 |
first line, we use defaultIndent (the first line is normally indented |
first line, we use defaultIndent (the first line is normally indented |
2251 |
differently from the rest) */ |
differently from the rest) */ |
2252 |
if (entry->lines) { |
for (line = entry->lines, prev = NULL; line; line = line->next) { |
2253 |
line = entry->lines; |
if (line->numElements) prev = line; |
2254 |
prev = NULL; |
/* fall back on the last line if prev isn't otherwise set */ |
2255 |
while (line) { |
if (!line->next && !prev) prev = line; |
|
if (line->numElements) prev = line; |
|
|
line = line->next; |
|
|
} |
|
|
if (!prev) { |
|
|
/* just use the last line */ |
|
|
prev = entry->lines; |
|
|
while (prev->next) prev = prev->next; |
|
|
} |
|
|
|
|
|
line = prev->next; |
|
|
prev->next = malloc(sizeof(*line)); |
|
|
prev->next->next = line; |
|
|
line = prev->next; |
|
|
|
|
|
if (prev == entry->lines) |
|
|
line->indent = strdup(defaultIndent); |
|
|
else |
|
|
line->indent = strdup(prev->indent); |
|
|
} else { |
|
|
line = malloc(sizeof(*line)); |
|
|
line->indent = strdup(defaultIndent); |
|
|
line->next = NULL; |
|
2256 |
} |
} |
2257 |
|
|
2258 |
if (type != LT_TITLE || !cfi->titleBracketed) { |
struct singleLine *menuEntry; |
2259 |
line->type = type; |
menuEntry = getLineByType(LT_MENUENTRY, entry->lines); |
2260 |
line->numElements = val ? 2 : 1; |
if (tmpl.type == LT_ENTRY_END) { |
2261 |
line->elements = malloc(sizeof(*line->elements) * line->numElements); |
if (menuEntry) |
2262 |
line->elements[0].item = strdup(cfi->keywords[i].key); |
tmpl.indent = menuEntry->indent; |
2263 |
line->elements[0].indent = malloc(2); |
else |
2264 |
line->elements[0].indent[0] = cfi->keywords[i].nextChar; |
tmpl.indent = defaultIndent ?: ""; |
2265 |
line->elements[0].indent[1] = '\0'; |
} else if (tmpl.type != LT_MENUENTRY) { |
2266 |
|
if (menuEntry) |
2267 |
if (val) { |
tmpl.indent = "\t"; |
2268 |
line->elements[1].item = val; |
else if (prev == entry->lines) |
2269 |
line->elements[1].indent = strdup(""); |
tmpl.indent = defaultIndent ?: ""; |
2270 |
} |
else |
2271 |
} else { |
tmpl.indent = prev->indent; |
|
/* we're doing the title of a bracketed title (zipl) */ |
|
|
line->type = type; |
|
|
line->numElements = 1; |
|
|
line->elements = malloc(sizeof(*line->elements) * line->numElements); |
|
|
|
|
|
line->elements[0].item = malloc(strlen(val) + 3); |
|
|
sprintf(line->elements[0].item, "[%s]", val); |
|
|
line->elements[0].indent = strdup(""); |
|
2272 |
} |
} |
2273 |
|
|
2274 |
return line; |
return addLineTmpl(entry, &tmpl, prev, val, cfi); |
2275 |
} |
} |
2276 |
|
|
2277 |
void removeLine(struct singleEntry * entry, struct singleLine * line) { |
void removeLine(struct singleEntry * entry, struct singleLine * line) { |
2296 |
free(line); |
free(line); |
2297 |
} |
} |
2298 |
|
|
2299 |
|
static void requote(struct singleLine *tmplLine, struct configFileInfo * cfi) |
2300 |
|
{ |
2301 |
|
struct singleLine newLine = { |
2302 |
|
.indent = tmplLine->indent, |
2303 |
|
.type = tmplLine->type, |
2304 |
|
.next = tmplLine->next, |
2305 |
|
}; |
2306 |
|
int firstQuotedItem = -1; |
2307 |
|
int quoteLen = 0; |
2308 |
|
int j; |
2309 |
|
int element = 0; |
2310 |
|
char *c; |
2311 |
|
|
2312 |
|
c = malloc(strlen(tmplLine->elements[0].item) + 1); |
2313 |
|
strcpy(c, tmplLine->elements[0].item); |
2314 |
|
insertElement(&newLine, c, element++, cfi); |
2315 |
|
free(c); |
2316 |
|
c = NULL; |
2317 |
|
|
2318 |
|
for (j = 1; j < tmplLine->numElements; j++) { |
2319 |
|
if (firstQuotedItem == -1) { |
2320 |
|
quoteLen += strlen(tmplLine->elements[j].item); |
2321 |
|
|
2322 |
|
if (isquote(tmplLine->elements[j].item[0])) { |
2323 |
|
firstQuotedItem = j; |
2324 |
|
quoteLen += strlen(tmplLine->elements[j].indent); |
2325 |
|
} else { |
2326 |
|
c = malloc(quoteLen + 1); |
2327 |
|
strcpy(c, tmplLine->elements[j].item); |
2328 |
|
insertElement(&newLine, c, element++, cfi); |
2329 |
|
free(c); |
2330 |
|
quoteLen = 0; |
2331 |
|
} |
2332 |
|
} else { |
2333 |
|
int itemlen = strlen(tmplLine->elements[j].item); |
2334 |
|
quoteLen += itemlen; |
2335 |
|
quoteLen += strlen(tmplLine->elements[j].indent); |
2336 |
|
|
2337 |
|
if (isquote(tmplLine->elements[j].item[itemlen - 1])) { |
2338 |
|
c = malloc(quoteLen + 1); |
2339 |
|
c[0] = '\0'; |
2340 |
|
for (int i = firstQuotedItem; i < j+1; i++) { |
2341 |
|
strcat(c, tmplLine->elements[i].item); |
2342 |
|
strcat(c, tmplLine->elements[i].indent); |
2343 |
|
} |
2344 |
|
insertElement(&newLine, c, element++, cfi); |
2345 |
|
free(c); |
2346 |
|
|
2347 |
|
firstQuotedItem = -1; |
2348 |
|
quoteLen = 0; |
2349 |
|
} |
2350 |
|
} |
2351 |
|
} |
2352 |
|
while (tmplLine->numElements) |
2353 |
|
removeElement(tmplLine, 0); |
2354 |
|
if (tmplLine->elements) |
2355 |
|
free(tmplLine->elements); |
2356 |
|
|
2357 |
|
tmplLine->numElements = newLine.numElements; |
2358 |
|
tmplLine->elements = newLine.elements; |
2359 |
|
} |
2360 |
|
|
2361 |
|
static void insertElement(struct singleLine * line, |
2362 |
|
const char * item, int insertHere, |
2363 |
|
struct configFileInfo * cfi) |
2364 |
|
{ |
2365 |
|
struct keywordTypes * kw; |
2366 |
|
char indent[2] = ""; |
2367 |
|
|
2368 |
|
/* sanity check */ |
2369 |
|
if (insertHere > line->numElements) { |
2370 |
|
dbgPrintf("insertElement() adjusting insertHere from %d to %d\n", |
2371 |
|
insertHere, line->numElements); |
2372 |
|
insertHere = line->numElements; |
2373 |
|
} |
2374 |
|
|
2375 |
|
line->elements = realloc(line->elements, (line->numElements + 1) * |
2376 |
|
sizeof(*line->elements)); |
2377 |
|
memmove(&line->elements[insertHere+1], |
2378 |
|
&line->elements[insertHere], |
2379 |
|
(line->numElements - insertHere) * |
2380 |
|
sizeof(*line->elements)); |
2381 |
|
line->elements[insertHere].item = strdup(item); |
2382 |
|
|
2383 |
|
kw = getKeywordByType(line->type, cfi); |
2384 |
|
|
2385 |
|
if (line->numElements == 0) { |
2386 |
|
indent[0] = '\0'; |
2387 |
|
} else if (insertHere == 0) { |
2388 |
|
indent[0] = kw->nextChar; |
2389 |
|
} else if (kw->separatorChar != '\0') { |
2390 |
|
indent[0] = kw->separatorChar; |
2391 |
|
} else { |
2392 |
|
indent[0] = ' '; |
2393 |
|
} |
2394 |
|
|
2395 |
|
if (insertHere > 0 && line->elements[insertHere-1].indent[0] == '\0') { |
2396 |
|
/* move the end-of-line forward */ |
2397 |
|
line->elements[insertHere].indent = |
2398 |
|
line->elements[insertHere-1].indent; |
2399 |
|
line->elements[insertHere-1].indent = strdup(indent); |
2400 |
|
} else { |
2401 |
|
line->elements[insertHere].indent = strdup(indent); |
2402 |
|
} |
2403 |
|
|
2404 |
|
line->numElements++; |
2405 |
|
|
2406 |
|
dbgPrintf("insertElement(%s, '%s%s', %d)\n", |
2407 |
|
line->elements[0].item, |
2408 |
|
line->elements[insertHere].item, |
2409 |
|
line->elements[insertHere].indent, |
2410 |
|
insertHere); |
2411 |
|
} |
2412 |
|
|
2413 |
|
static void removeElement(struct singleLine * line, int removeHere) { |
2414 |
|
int i; |
2415 |
|
|
2416 |
|
/* sanity check */ |
2417 |
|
if (removeHere >= line->numElements) return; |
2418 |
|
|
2419 |
|
dbgPrintf("removeElement(%s, %d:%s)\n", line->elements[0].item, |
2420 |
|
removeHere, line->elements[removeHere].item); |
2421 |
|
|
2422 |
|
free(line->elements[removeHere].item); |
2423 |
|
|
2424 |
|
if (removeHere > 1) { |
2425 |
|
/* previous argument gets this argument's post-indentation */ |
2426 |
|
free(line->elements[removeHere-1].indent); |
2427 |
|
line->elements[removeHere-1].indent = |
2428 |
|
line->elements[removeHere].indent; |
2429 |
|
} else { |
2430 |
|
free(line->elements[removeHere].indent); |
2431 |
|
} |
2432 |
|
|
2433 |
|
/* now collapse the array, but don't bother to realloc smaller */ |
2434 |
|
for (i = removeHere; i < line->numElements - 1; i++) |
2435 |
|
line->elements[i] = line->elements[i + 1]; |
2436 |
|
|
2437 |
|
line->numElements--; |
2438 |
|
} |
2439 |
|
|
2440 |
int argMatch(const char * one, const char * two) { |
int argMatch(const char * one, const char * two) { |
2441 |
char * first, * second; |
char * first, * second; |
2442 |
char * chptr; |
char * chptr; |
2459 |
struct singleEntry * entry; |
struct singleEntry * entry; |
2460 |
struct singleLine * line, * rootLine; |
struct singleLine * line, * rootLine; |
2461 |
int index = 0; |
int index = 0; |
2462 |
int i, j, k; |
int i, k; |
2463 |
const char ** newArgs, ** oldArgs; |
const char ** newArgs, ** oldArgs; |
2464 |
const char ** arg; |
const char ** arg; |
2465 |
const char * chptr; |
int useKernelArgs, useRoot; |
|
int useKernelArgs = 0; |
|
|
int useRoot = 0; |
|
2466 |
int firstElement; |
int firstElement; |
2467 |
int *usedElements, *usedArgs; |
int *usedElements; |
2468 |
|
int doreplace; |
2469 |
|
|
2470 |
if (!image) return 0; |
if (!image) return 0; |
2471 |
|
|
2492 |
} |
} |
2493 |
} |
} |
2494 |
|
|
|
for (i = 0; cfg->cfi->keywords[i].key; i++) |
|
|
if (cfg->cfi->keywords[i].type == LT_KERNELARGS) break; |
|
2495 |
|
|
2496 |
if (cfg->cfi->keywords[i].key) |
useKernelArgs = (getKeywordByType(LT_KERNELARGS, cfg->cfi) |
2497 |
useKernelArgs = 1; |
&& (!multibootArgs || cfg->cfi->mbConcatArgs)); |
2498 |
|
|
2499 |
for (i = 0; cfg->cfi->keywords[i].key; i++) |
useRoot = (getKeywordByType(LT_ROOT, cfg->cfi) |
2500 |
if (cfg->cfi->keywords[i].type == LT_ROOT) break; |
&& !multibootArgs); |
2501 |
|
|
2502 |
if (cfg->cfi->keywords[i].key) |
for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
|
useRoot = 1; |
|
2503 |
|
|
2504 |
k = 0; |
if (multibootArgs && !entry->multiboot) |
2505 |
for (arg = newArgs; *arg; arg++) |
continue; |
2506 |
k++; |
|
2507 |
usedArgs = calloc(k, sizeof(int)); |
/* Determine where to put the args. If this config supports |
2508 |
|
* LT_KERNELARGS, use that. Otherwise use |
2509 |
|
* LT_HYPER/LT_KERNEL/LT_MBMODULE lines. |
2510 |
|
*/ |
2511 |
|
if (useKernelArgs) { |
2512 |
|
line = getLineByType(LT_KERNELARGS, entry->lines); |
2513 |
|
if (!line) { |
2514 |
|
/* no LT_KERNELARGS, need to add it */ |
2515 |
|
line = addLine(entry, cfg->cfi, LT_KERNELARGS, |
2516 |
|
cfg->secondaryIndent, NULL); |
2517 |
|
} |
2518 |
|
firstElement = 1; |
2519 |
|
|
2520 |
while ((entry = findEntryByPath(cfg, image, prefix, &index))) { |
} else if (multibootArgs) { |
2521 |
index++; |
line = getLineByType(LT_HYPER, entry->lines); |
2522 |
|
if (!line) { |
2523 |
|
/* a multiboot entry without LT_HYPER? */ |
2524 |
|
continue; |
2525 |
|
} |
2526 |
|
firstElement = 2; |
2527 |
|
|
2528 |
line = entry->lines; |
} else { |
2529 |
while (line && line->type != LT_KERNEL) line = line->next; |
line = getLineByType(LT_KERNEL|LT_MBMODULE, entry->lines); |
2530 |
if (!line) continue; |
if (!line) { |
2531 |
firstElement = 2; |
/* no LT_KERNEL or LT_MBMODULE in this entry? */ |
2532 |
|
continue; |
2533 |
if (entry->multiboot && !multibootArgs) { |
} |
2534 |
/* first mb module line is the real kernel */ |
firstElement = 2; |
|
while (line && line->type != LT_MBMODULE) line = line->next; |
|
|
firstElement = 2; |
|
|
} else if (useKernelArgs) { |
|
|
while (line && line->type != LT_KERNELARGS) line = line->next; |
|
|
firstElement = 1; |
|
2535 |
} |
} |
2536 |
|
|
2537 |
if (!line && useKernelArgs) { |
/* handle the elilo case which does: |
2538 |
/* no append in there, need to add it */ |
* append="hypervisor args -- kernel args" |
2539 |
line = addLine(entry, cfg->cfi, LT_KERNELARGS, NULL, NULL); |
*/ |
2540 |
|
if (entry->multiboot && cfg->cfi->mbConcatArgs) { |
2541 |
|
/* this is a multiboot entry, make sure there's |
2542 |
|
* -- on the args line |
2543 |
|
*/ |
2544 |
|
for (i = firstElement; i < line->numElements; i++) { |
2545 |
|
if (!strcmp(line->elements[i].item, "--")) |
2546 |
|
break; |
2547 |
|
} |
2548 |
|
if (i == line->numElements) { |
2549 |
|
/* assume all existing args are kernel args, |
2550 |
|
* prepend -- to make it official |
2551 |
|
*/ |
2552 |
|
insertElement(line, "--", firstElement, cfg->cfi); |
2553 |
|
i = firstElement; |
2554 |
|
} |
2555 |
|
if (!multibootArgs) { |
2556 |
|
/* kernel args start after the -- */ |
2557 |
|
firstElement = i + 1; |
2558 |
|
} |
2559 |
|
} else if (cfg->cfi->mbConcatArgs) { |
2560 |
|
/* this is a non-multiboot entry, remove hyper args */ |
2561 |
|
for (i = firstElement; i < line->numElements; i++) { |
2562 |
|
if (!strcmp(line->elements[i].item, "--")) |
2563 |
|
break; |
2564 |
|
} |
2565 |
|
if (i < line->numElements) { |
2566 |
|
/* remove args up to -- */ |
2567 |
|
while (strcmp(line->elements[firstElement].item, "--")) |
2568 |
|
removeElement(line, firstElement); |
2569 |
|
/* remove -- */ |
2570 |
|
removeElement(line, firstElement); |
2571 |
|
} |
2572 |
} |
} |
2573 |
|
|
2574 |
usedElements = calloc(line->numElements, sizeof(int)); |
usedElements = calloc(line->numElements, sizeof(*usedElements)); |
2575 |
|
|
2576 |
k = 0; |
for (k = 0, arg = newArgs; *arg; arg++, k++) { |
2577 |
for (arg = newArgs; *arg; arg++) { |
|
2578 |
if (usedArgs[k]) { |
doreplace = 1; |
|
k++; |
|
|
continue; |
|
|
} |
|
2579 |
for (i = firstElement; i < line->numElements; i++) { |
for (i = firstElement; i < line->numElements; i++) { |
2580 |
|
if (multibootArgs && cfg->cfi->mbConcatArgs && |
2581 |
|
!strcmp(line->elements[i].item, "--")) |
2582 |
|
{ |
2583 |
|
/* reached the end of hyper args, insert here */ |
2584 |
|
doreplace = 0; |
2585 |
|
break; |
2586 |
|
} |
2587 |
if (usedElements[i]) |
if (usedElements[i]) |
2588 |
continue; |
continue; |
2589 |
if (!argMatch(line->elements[i].item, *arg)) { |
if (!argMatch(line->elements[i].item, *arg)) { |
2590 |
usedElements[i]=1; |
usedElements[i]=1; |
|
usedArgs[k]=1; |
|
2591 |
break; |
break; |
2592 |
} |
} |
2593 |
} |
} |
|
chptr = strchr(*arg, '='); |
|
2594 |
|
|
2595 |
if (i < line->numElements) { |
if (i < line->numElements && doreplace) { |
2596 |
/* replace */ |
/* direct replacement */ |
2597 |
free(line->elements[i].item); |
free(line->elements[i].item); |
2598 |
line->elements[i].item = strdup(*arg); |
line->elements[i].item = strdup(*arg); |
|
} else if (useRoot && !strncmp(*arg, "root=/dev/", 10) && *chptr) { |
|
|
rootLine = entry->lines; |
|
|
while (rootLine && rootLine->type != LT_ROOT) |
|
|
rootLine = rootLine->next; |
|
|
if (!rootLine) { |
|
|
rootLine = addLine(entry, cfg->cfi, LT_ROOT, NULL, NULL); |
|
|
rootLine->elements = realloc(rootLine->elements, |
|
|
2 * sizeof(*rootLine->elements)); |
|
|
rootLine->numElements++; |
|
|
rootLine->elements[1].indent = strdup(""); |
|
|
rootLine->elements[1].item = strdup(""); |
|
|
} |
|
2599 |
|
|
2600 |
free(rootLine->elements[1].item); |
} else if (useRoot && !strncmp(*arg, "root=/dev/", 10)) { |
2601 |
rootLine->elements[1].item = strdup(chptr + 1); |
/* root= replacement */ |
2602 |
} else { |
rootLine = getLineByType(LT_ROOT, entry->lines); |
2603 |
/* append */ |
if (rootLine) { |
2604 |
line->elements = realloc(line->elements, |
free(rootLine->elements[1].item); |
2605 |
(line->numElements + 1) * sizeof(*line->elements)); |
rootLine->elements[1].item = strdup(*arg + 5); |
|
line->elements[line->numElements].item = strdup(*arg); |
|
|
usedElements = realloc(usedElements, |
|
|
(line->numElements + 1) * sizeof(int)); |
|
|
usedElements[line->numElements] = 1; |
|
|
|
|
|
if (line->numElements > 1) { |
|
|
/* add to existing list of arguments */ |
|
|
line->elements[line->numElements].indent = |
|
|
line->elements[line->numElements - 1].indent; |
|
|
line->elements[line->numElements - 1].indent = strdup(" "); |
|
2606 |
} else { |
} else { |
2607 |
/* First thing on this line; treat a bit differently. Note |
rootLine = addLine(entry, cfg->cfi, LT_ROOT, |
2608 |
this is only possible if we've added a LT_KERNELARGS |
cfg->secondaryIndent, *arg + 5); |
|
entry */ |
|
|
line->elements[line->numElements].indent = strdup(""); |
|
2609 |
} |
} |
2610 |
|
} |
2611 |
|
|
2612 |
line->numElements++; |
else { |
2613 |
|
/* insert/append */ |
2614 |
|
insertElement(line, *arg, i, cfg->cfi); |
2615 |
|
usedElements = realloc(usedElements, line->numElements * |
2616 |
|
sizeof(*usedElements)); |
2617 |
|
memmove(&usedElements[i + 1], &usedElements[i], |
2618 |
|
line->numElements - i - 1); |
2619 |
|
usedElements[i] = 1; |
2620 |
|
|
2621 |
/* if we updated a root= here even though there is a |
/* if we updated a root= here even though there is a |
2622 |
LT_ROOT available we need to remove the LT_ROOT entry |
LT_ROOT available we need to remove the LT_ROOT entry |
2623 |
(this will happen if we switch from a device to a label) */ |
(this will happen if we switch from a device to a label) */ |
2624 |
if (useRoot && !strncmp(*arg, "root=", 5)) { |
if (useRoot && !strncmp(*arg, "root=", 5)) { |
2625 |
rootLine = entry->lines; |
rootLine = getLineByType(LT_ROOT, entry->lines); |
2626 |
while (rootLine && rootLine->type != LT_ROOT) |
if (rootLine) |
|
rootLine = rootLine->next; |
|
|
if (rootLine) { |
|
2627 |
removeLine(entry, rootLine); |
removeLine(entry, rootLine); |
|
} |
|
2628 |
} |
} |
2629 |
} |
} |
|
k++; |
|
2630 |
} |
} |
2631 |
|
|
2632 |
free(usedElements); |
free(usedElements); |
2633 |
|
|
|
/* no arguments to remove (i.e. no append line) */ |
|
|
if (!line) continue; |
|
|
|
|
|
/* this won't remove an LT_ROOT item properly (but then again, |
|
|
who cares? */ |
|
2634 |
for (arg = oldArgs; *arg; arg++) { |
for (arg = oldArgs; *arg; arg++) { |
2635 |
for (i = firstElement; i < line->numElements; i++) |
for (i = firstElement; i < line->numElements; i++) { |
2636 |
if (!argMatch(line->elements[i].item, *arg)) |
if (multibootArgs && cfg->cfi->mbConcatArgs && |
2637 |
|
!strcmp(line->elements[i].item, "--")) |
2638 |
|
/* reached the end of hyper args, stop here */ |
2639 |
|
break; |
2640 |
|
if (!argMatch(line->elements[i].item, *arg)) { |
2641 |
|
removeElement(line, i); |
2642 |
break; |
break; |
|
|
|
|
if (i < line->numElements) { |
|
|
/* if this isn't the first argument the previous argument |
|
|
gets this arguments post-indention */ |
|
|
if (i > firstElement) { |
|
|
free(line->elements[i - 1].indent); |
|
|
line->elements[i - 1].indent = line->elements[i].indent; |
|
2643 |
} |
} |
2644 |
|
} |
2645 |
free(line->elements[i].item); |
/* handle removing LT_ROOT line too */ |
2646 |
|
if (useRoot && !strncmp(*arg, "root=", 5)) { |
2647 |
for (j = i + 1; j < line->numElements; j++) |
rootLine = getLineByType(LT_ROOT, entry->lines); |
2648 |
line->elements[j - 1] = line->elements[j]; |
if (rootLine) |
2649 |
|
removeLine(entry, rootLine); |
|
line->numElements--; |
|
2650 |
} |
} |
2651 |
} |
} |
2652 |
|
|
2657 |
} |
} |
2658 |
} |
} |
2659 |
|
|
|
free(usedArgs); |
|
2660 |
free(newArgs); |
free(newArgs); |
2661 |
free(oldArgs); |
free(oldArgs); |
2662 |
|
|
2682 |
return rc; |
return rc; |
2683 |
} |
} |
2684 |
|
|
2685 |
|
int updateInitrd(struct grubConfig * cfg, const char * image, |
2686 |
|
const char * prefix, const char * initrd) { |
2687 |
|
struct singleEntry * entry; |
2688 |
|
struct singleLine * line, * kernelLine, *endLine = NULL; |
2689 |
|
int index = 0; |
2690 |
|
|
2691 |
|
if (!image) return 0; |
2692 |
|
|
2693 |
|
for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
2694 |
|
kernelLine = getLineByType(LT_KERNEL, entry->lines); |
2695 |
|
if (!kernelLine) continue; |
2696 |
|
|
2697 |
|
line = getLineByType(LT_INITRD, entry->lines); |
2698 |
|
if (line) |
2699 |
|
removeLine(entry, line); |
2700 |
|
if (prefix) { |
2701 |
|
int prefixLen = strlen(prefix); |
2702 |
|
if (!strncmp(initrd, prefix, prefixLen)) |
2703 |
|
initrd += prefixLen; |
2704 |
|
} |
2705 |
|
endLine = getLineByType(LT_ENTRY_END, entry->lines); |
2706 |
|
if (endLine) |
2707 |
|
removeLine(entry, endLine); |
2708 |
|
line = addLine(entry, cfg->cfi, LT_INITRD, kernelLine->indent, initrd); |
2709 |
|
if (!line) |
2710 |
|
return 1; |
2711 |
|
if (endLine) { |
2712 |
|
line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL); |
2713 |
|
if (!line) |
2714 |
|
return 1; |
2715 |
|
} |
2716 |
|
|
2717 |
|
break; |
2718 |
|
} |
2719 |
|
|
2720 |
|
return 0; |
2721 |
|
} |
2722 |
|
|
2723 |
int checkDeviceBootloader(const char * device, const unsigned char * boot) { |
int checkDeviceBootloader(const char * device, const unsigned char * boot) { |
2724 |
int fd; |
int fd; |
2725 |
unsigned char bootSect[512]; |
unsigned char bootSect[512]; |
2743 |
if (memcmp(boot, bootSect, 3)) |
if (memcmp(boot, bootSect, 3)) |
2744 |
return 0; |
return 0; |
2745 |
|
|
2746 |
if (boot[1] == 0xeb) { |
if (boot[1] == JMP_SHORT_OPCODE) { |
2747 |
offset = boot[2] + 2; |
offset = boot[2] + 2; |
2748 |
} else if (boot[1] == 0xe8 || boot[1] == 0xe9) { |
} else if (boot[1] == 0xe8 || boot[1] == 0xe9) { |
2749 |
offset = (boot[3] << 8) + boot[2] + 2; |
offset = (boot[3] << 8) + boot[2] + 2; |
2750 |
} else if (boot[0] == 0xeb) { |
} else if (boot[0] == JMP_SHORT_OPCODE) { |
2751 |
offset = boot[1] + 2; |
offset = boot[1] + 2; |
2752 |
|
/* |
2753 |
|
* it looks like grub, when copying stage1 into the mbr, patches stage1 |
2754 |
|
* right after the JMP location, replacing other instructions such as |
2755 |
|
* JMPs for NOOPs. So, relax the check a little bit by skipping those |
2756 |
|
* different bytes. |
2757 |
|
*/ |
2758 |
|
if ((bootSect[offset + 1] == NOOP_OPCODE) |
2759 |
|
&& (bootSect[offset + 2] == NOOP_OPCODE)) { |
2760 |
|
offset = offset + 3; |
2761 |
|
} |
2762 |
} else if (boot[0] == 0xe8 || boot[0] == 0xe9) { |
} else if (boot[0] == 0xe8 || boot[0] == 0xe9) { |
2763 |
offset = (boot[2] << 8) + boot[1] + 2; |
offset = (boot[2] << 8) + boot[1] + 2; |
2764 |
} else { |
} else { |
2900 |
return checkDeviceBootloader(line->elements[1].item, boot); |
return checkDeviceBootloader(line->elements[1].item, boot); |
2901 |
} |
} |
2902 |
|
|
2903 |
|
int checkForGrub2(struct grubConfig * config) { |
2904 |
|
if (!access("/etc/grub.d/", R_OK)) |
2905 |
|
return 2; |
2906 |
|
|
2907 |
|
return 1; |
2908 |
|
} |
2909 |
|
|
2910 |
int checkForGrub(struct grubConfig * config) { |
int checkForGrub(struct grubConfig * config) { |
2911 |
int fd; |
int fd; |
2912 |
unsigned char bootSect[512]; |
unsigned char bootSect[512]; |
2927 |
if (read(fd, bootSect, 512) != 512) { |
if (read(fd, bootSect, 512) != 512) { |
2928 |
fprintf(stderr, _("grubby: unable to read %s: %s\n"), |
fprintf(stderr, _("grubby: unable to read %s: %s\n"), |
2929 |
"/boot/grub/stage1", strerror(errno)); |
"/boot/grub/stage1", strerror(errno)); |
2930 |
|
close(fd); |
2931 |
|
return 1; |
2932 |
|
} |
2933 |
|
close(fd); |
2934 |
|
|
2935 |
|
return checkDeviceBootloader(boot, bootSect); |
2936 |
|
} |
2937 |
|
|
2938 |
|
int checkForExtLinux(struct grubConfig * config) { |
2939 |
|
int fd; |
2940 |
|
unsigned char bootSect[512]; |
2941 |
|
char * boot; |
2942 |
|
char executable[] = "/boot/extlinux/extlinux"; |
2943 |
|
|
2944 |
|
printf("entered: checkForExtLinux()\n"); |
2945 |
|
|
2946 |
|
if (parseSysconfigGrub(NULL, &boot)) |
2947 |
|
return 0; |
2948 |
|
|
2949 |
|
/* assume grub is not installed -- not an error condition */ |
2950 |
|
if (!boot) |
2951 |
|
return 0; |
2952 |
|
|
2953 |
|
fd = open(executable, O_RDONLY); |
2954 |
|
if (fd < 0) |
2955 |
|
/* this doesn't exist if grub hasn't been installed */ |
2956 |
|
return 0; |
2957 |
|
|
2958 |
|
if (read(fd, bootSect, 512) != 512) { |
2959 |
|
fprintf(stderr, _("grubby: unable to read %s: %s\n"), |
2960 |
|
executable, strerror(errno)); |
2961 |
return 1; |
return 1; |
2962 |
} |
} |
2963 |
close(fd); |
close(fd); |
2976 |
return rootspec; |
return rootspec; |
2977 |
} |
} |
2978 |
|
|
2979 |
|
static char * getInitrdVal(struct grubConfig * config, |
2980 |
|
const char * prefix, struct singleLine *tmplLine, |
2981 |
|
const char * newKernelInitrd, |
2982 |
|
const char ** extraInitrds, int extraInitrdCount) |
2983 |
|
{ |
2984 |
|
char *initrdVal, *end; |
2985 |
|
int i; |
2986 |
|
size_t totalSize; |
2987 |
|
size_t prefixLen; |
2988 |
|
char separatorChar; |
2989 |
|
|
2990 |
|
prefixLen = strlen(prefix); |
2991 |
|
totalSize = strlen(newKernelInitrd) - prefixLen + 1 /* \0 */; |
2992 |
|
|
2993 |
|
for (i = 0; i < extraInitrdCount; i++) { |
2994 |
|
totalSize += sizeof(separatorChar); |
2995 |
|
totalSize += strlen(extraInitrds[i]) - prefixLen; |
2996 |
|
} |
2997 |
|
|
2998 |
|
initrdVal = end = malloc(totalSize); |
2999 |
|
|
3000 |
|
end = stpcpy (end, newKernelInitrd + prefixLen); |
3001 |
|
|
3002 |
|
separatorChar = getKeywordByType(LT_INITRD, config->cfi)->separatorChar; |
3003 |
|
for (i = 0; i < extraInitrdCount; i++) { |
3004 |
|
const char *extraInitrd; |
3005 |
|
int j; |
3006 |
|
|
3007 |
|
extraInitrd = extraInitrds[i] + prefixLen; |
3008 |
|
/* Don't add entries that are already there */ |
3009 |
|
if (tmplLine != NULL) { |
3010 |
|
for (j = 2; j < tmplLine->numElements; j++) |
3011 |
|
if (strcmp(extraInitrd, tmplLine->elements[j].item) == 0) |
3012 |
|
break; |
3013 |
|
|
3014 |
|
if (j != tmplLine->numElements) |
3015 |
|
continue; |
3016 |
|
} |
3017 |
|
|
3018 |
|
*end++ = separatorChar; |
3019 |
|
end = stpcpy(end, extraInitrd); |
3020 |
|
} |
3021 |
|
|
3022 |
|
return initrdVal; |
3023 |
|
} |
3024 |
|
|
3025 |
int addNewKernel(struct grubConfig * config, struct singleEntry * template, |
int addNewKernel(struct grubConfig * config, struct singleEntry * template, |
3026 |
const char * prefix, |
const char * prefix, |
3027 |
char * newKernelPath, char * newKernelTitle, |
const char * newKernelPath, const char * newKernelTitle, |
3028 |
char * newKernelArgs, char * newKernelInitrd, |
const char * newKernelArgs, const char * newKernelInitrd, |
3029 |
char * newMBKernel, char * newMBKernelArgs) { |
const char ** extraInitrds, int extraInitrdCount, |
3030 |
|
const char * newMBKernel, const char * newMBKernelArgs) { |
3031 |
struct singleEntry * new; |
struct singleEntry * new; |
3032 |
struct singleLine * newLine = NULL, * tmplLine = NULL, * lastLine = NULL; |
struct singleLine * newLine = NULL, * tmplLine = NULL, * masterLine = NULL; |
3033 |
int needs; |
int needs; |
|
char * indent = NULL; |
|
|
char * rootspec = NULL; |
|
3034 |
char * chptr; |
char * chptr; |
|
int i; |
|
|
enum lineType_e type; |
|
3035 |
|
|
3036 |
if (!newKernelPath) return 0; |
if (!newKernelPath) return 0; |
3037 |
|
|
3061 |
config->entries = new; |
config->entries = new; |
3062 |
|
|
3063 |
/* copy/update from the template */ |
/* copy/update from the template */ |
3064 |
needs = KERNEL_KERNEL | KERNEL_INITRD | KERNEL_TITLE; |
needs = NEED_KERNEL | NEED_TITLE; |
3065 |
|
if (newKernelInitrd) |
3066 |
|
needs |= NEED_INITRD; |
3067 |
if (newMBKernel) { |
if (newMBKernel) { |
3068 |
needs |= KERNEL_MB; |
needs |= NEED_MB; |
3069 |
new->multiboot = 1; |
new->multiboot = 1; |
3070 |
} |
} |
3071 |
|
|
3072 |
if (template) { |
if (template) { |
3073 |
for (tmplLine = template->lines; tmplLine; tmplLine = tmplLine->next) { |
for (masterLine = template->lines; |
3074 |
/* remember the indention level; we may need it for new lines */ |
masterLine && (tmplLine = lineDup(masterLine)); |
3075 |
if (tmplLine->numElements) |
lineFree(tmplLine), masterLine = masterLine->next) |
3076 |
indent = tmplLine->indent; |
{ |
3077 |
|
dbgPrintf("addNewKernel processing %d\n", tmplLine->type); |
3078 |
|
|
3079 |
/* skip comments */ |
/* skip comments */ |
3080 |
chptr = tmplLine->indent; |
chptr = tmplLine->indent; |
3081 |
while (*chptr && isspace(*chptr)) chptr++; |
while (*chptr && isspace(*chptr)) chptr++; |
3082 |
if (*chptr == '#') continue; |
if (*chptr == '#') continue; |
3083 |
|
|
3084 |
/* we don't need an initrd here */ |
if (tmplLine->type == LT_KERNEL && |
3085 |
if (tmplLine->type == LT_INITRD && !newKernelInitrd) continue; |
tmplLine->numElements >= 2) { |
3086 |
|
if (!template->multiboot && (needs & NEED_MB)) { |
3087 |
if (tmplLine->type == LT_KERNEL && |
/* it's not a multiboot template and this is the kernel |
3088 |
!template->multiboot && (needs & KERNEL_MB)) { |
* line. Try to be intelligent about inserting the |
3089 |
struct singleLine *l; |
* hypervisor at the same time. |
3090 |
needs &= ~ KERNEL_MB; |
*/ |
3091 |
|
if (config->cfi->mbHyperFirst) { |
3092 |
l = addLine(new, config->cfi, LT_KERNEL, |
/* insert the hypervisor first */ |
3093 |
config->secondaryIndent, |
newLine = addLine(new, config->cfi, LT_HYPER, |
3094 |
newMBKernel + strlen(prefix)); |
tmplLine->indent, |
3095 |
|
newMBKernel + strlen(prefix)); |
3096 |
tmplLine = lastLine; |
/* set up for adding the kernel line */ |
3097 |
if (!new->lines) { |
free(tmplLine->indent); |
3098 |
new->lines = l; |
tmplLine->indent = strdup(config->secondaryIndent); |
3099 |
} else { |
needs &= ~NEED_MB; |
3100 |
newLine->next = l; |
} |
3101 |
newLine = l; |
if (needs & NEED_KERNEL) { |
3102 |
} |
/* use addLineTmpl to preserve line elements, |
3103 |
continue; |
* otherwise we could just call addLine. Unfortunately |
3104 |
} else if (tmplLine->type == LT_KERNEL && |
* this means making some changes to the template |
3105 |
template->multiboot && !new->multiboot) { |
* such as the indent change above and the type |
3106 |
continue; /* don't need multiboot kernel here */ |
* change below. |
3107 |
} |
*/ |
3108 |
|
struct keywordTypes * mbm_kw = |
3109 |
|
getKeywordByType(LT_MBMODULE, config->cfi); |
3110 |
|
if (mbm_kw) { |
3111 |
|
tmplLine->type = LT_MBMODULE; |
3112 |
|
free(tmplLine->elements[0].item); |
3113 |
|
tmplLine->elements[0].item = strdup(mbm_kw->key); |
3114 |
|
} |
3115 |
|
newLine = addLineTmpl(new, tmplLine, newLine, |
3116 |
|
newKernelPath + strlen(prefix), config->cfi); |
3117 |
|
needs &= ~NEED_KERNEL; |
3118 |
|
} |
3119 |
|
if (needs & NEED_MB) { /* !mbHyperFirst */ |
3120 |
|
newLine = addLine(new, config->cfi, LT_HYPER, |
3121 |
|
config->secondaryIndent, |
3122 |
|
newMBKernel + strlen(prefix)); |
3123 |
|
needs &= ~NEED_MB; |
3124 |
|
} |
3125 |
|
} else if (needs & NEED_KERNEL) { |
3126 |
|
newLine = addLineTmpl(new, tmplLine, newLine, |
3127 |
|
newKernelPath + strlen(prefix), config->cfi); |
3128 |
|
needs &= ~NEED_KERNEL; |
3129 |
|
} |
3130 |
|
|
3131 |
if (!new->lines) { |
} else if (tmplLine->type == LT_HYPER && |
3132 |
newLine = malloc(sizeof(*newLine)); |
tmplLine->numElements >= 2) { |
3133 |
new->lines = newLine; |
if (needs & NEED_MB) { |
3134 |
} else { |
newLine = addLineTmpl(new, tmplLine, newLine, |
3135 |
newLine->next = malloc(sizeof(*newLine)); |
newMBKernel + strlen(prefix), config->cfi); |
3136 |
newLine = newLine->next; |
needs &= ~NEED_MB; |
3137 |
} |
} |
3138 |
|
|
3139 |
|
} else if (tmplLine->type == LT_MBMODULE && |
3140 |
|
tmplLine->numElements >= 2) { |
3141 |
|
if (new->multiboot) { |
3142 |
|
if (needs & NEED_KERNEL) { |
3143 |
|
newLine = addLineTmpl(new, tmplLine, newLine, |
3144 |
|
newKernelPath + |
3145 |
|
strlen(prefix), config->cfi); |
3146 |
|
needs &= ~NEED_KERNEL; |
3147 |
|
} else if (config->cfi->mbInitRdIsModule && |
3148 |
|
(needs & NEED_INITRD)) { |
3149 |
|
char *initrdVal; |
3150 |
|
initrdVal = getInitrdVal(config, prefix, tmplLine, |
3151 |
|
newKernelInitrd, extraInitrds, |
3152 |
|
extraInitrdCount); |
3153 |
|
newLine = addLineTmpl(new, tmplLine, newLine, |
3154 |
|
initrdVal, config->cfi); |
3155 |
|
free(initrdVal); |
3156 |
|
needs &= ~NEED_INITRD; |
3157 |
|
} |
3158 |
|
} else if (needs & NEED_KERNEL) { |
3159 |
|
/* template is multi but new is not, |
3160 |
|
* insert the kernel in the first module slot |
3161 |
|
*/ |
3162 |
|
tmplLine->type = LT_KERNEL; |
3163 |
|
free(tmplLine->elements[0].item); |
3164 |
|
tmplLine->elements[0].item = |
3165 |
|
strdup(getKeywordByType(LT_KERNEL, config->cfi)->key); |
3166 |
|
newLine = addLineTmpl(new, tmplLine, newLine, |
3167 |
|
newKernelPath + strlen(prefix), config->cfi); |
3168 |
|
needs &= ~NEED_KERNEL; |
3169 |
|
} else if (needs & NEED_INITRD) { |
3170 |
|
char *initrdVal; |
3171 |
|
/* template is multi but new is not, |
3172 |
|
* insert the initrd in the second module slot |
3173 |
|
*/ |
3174 |
|
tmplLine->type = LT_INITRD; |
3175 |
|
free(tmplLine->elements[0].item); |
3176 |
|
tmplLine->elements[0].item = |
3177 |
|
strdup(getKeywordByType(LT_INITRD, config->cfi)->key); |
3178 |
|
initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount); |
3179 |
|
newLine = addLineTmpl(new, tmplLine, newLine, initrdVal, config->cfi); |
3180 |
|
free(initrdVal); |
3181 |
|
needs &= ~NEED_INITRD; |
3182 |
|
} |
3183 |
|
|
|
newLine->indent = strdup(tmplLine->indent); |
|
|
newLine->next = NULL; |
|
|
newLine->type = tmplLine->type; |
|
|
newLine->numElements = tmplLine->numElements; |
|
|
newLine->elements = malloc(sizeof(*newLine->elements) * |
|
|
newLine->numElements); |
|
|
for (i = 0; i < newLine->numElements; i++) { |
|
|
newLine->elements[i].item = strdup(tmplLine->elements[i].item); |
|
|
newLine->elements[i].indent = |
|
|
strdup(tmplLine->elements[i].indent); |
|
|
} |
|
|
|
|
|
lastLine = tmplLine; |
|
|
if (tmplLine->type == LT_KERNEL && tmplLine->numElements >= 2) { |
|
|
char * repl; |
|
|
if (!template->multiboot) { |
|
|
needs &= ~KERNEL_KERNEL; |
|
|
repl = newKernelPath; |
|
|
} else { |
|
|
needs &= ~KERNEL_MB; |
|
|
repl = newMBKernel; |
|
|
} |
|
|
if (new->multiboot && !template->multiboot) { |
|
|
free(newLine->elements[0].item); |
|
|
newLine->elements[0].item = strdup("module"); |
|
|
newLine->type = LT_MBMODULE; |
|
|
} |
|
|
free(newLine->elements[1].item); |
|
|
rootspec = getRootSpecifier(tmplLine->elements[1].item); |
|
|
if (rootspec != NULL) { |
|
|
newLine->elements[1].item = sdupprintf("%s%s", |
|
|
rootspec, |
|
|
repl + |
|
|
strlen(prefix)); |
|
|
} else { |
|
|
newLine->elements[1].item = strdup(repl + |
|
|
strlen(prefix)); |
|
|
} |
|
|
} else if (tmplLine->type == LT_MBMODULE && |
|
|
tmplLine->numElements >= 2 && (needs & KERNEL_KERNEL)) { |
|
|
needs &= ~KERNEL_KERNEL; |
|
|
if (!new->multiboot && template->multiboot) { |
|
|
free(newLine->elements[0].item); |
|
|
newLine->elements[0].item = strdup("kernel"); |
|
|
newLine->type = LT_KERNEL; |
|
|
} |
|
|
free(newLine->elements[1].item); |
|
|
rootspec = getRootSpecifier(tmplLine->elements[1].item); |
|
|
if (rootspec != NULL) { |
|
|
newLine->elements[1].item = sdupprintf("%s%s", |
|
|
rootspec, |
|
|
newKernelPath + |
|
|
strlen(prefix)); |
|
|
} else { |
|
|
newLine->elements[1].item = strdup(newKernelPath + |
|
|
strlen(prefix)); |
|
|
} |
|
3184 |
} else if (tmplLine->type == LT_INITRD && |
} else if (tmplLine->type == LT_INITRD && |
3185 |
tmplLine->numElements >= 2) { |
tmplLine->numElements >= 2) { |
3186 |
needs &= ~KERNEL_INITRD; |
if (needs & NEED_INITRD && |
3187 |
free(newLine->elements[1].item); |
new->multiboot && !template->multiboot && |
3188 |
if (new->multiboot && !template->multiboot) { |
config->cfi->mbInitRdIsModule) { |
3189 |
free(newLine->elements[0].item); |
/* make sure we don't insert the module initrd |
3190 |
newLine->elements[0].item = strdup("module"); |
* before the module kernel... if we don't do it here, |
3191 |
newLine->type = LT_MBMODULE; |
* it will be inserted following the template. |
3192 |
} |
*/ |
3193 |
rootspec = getRootSpecifier(tmplLine->elements[1].item); |
if (!needs & NEED_KERNEL) { |
3194 |
if (rootspec != NULL) { |
char *initrdVal; |
3195 |
newLine->elements[1].item = sdupprintf("%s%s", |
|
3196 |
rootspec, |
initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount); |
3197 |
newKernelInitrd + |
newLine = addLine(new, config->cfi, LT_MBMODULE, |
3198 |
strlen(prefix)); |
config->secondaryIndent, |
3199 |
} else { |
initrdVal); |
3200 |
newLine->elements[1].item = strdup(newKernelInitrd + |
free(initrdVal); |
3201 |
strlen(prefix)); |
needs &= ~NEED_INITRD; |
3202 |
} |
} |
3203 |
} else if (tmplLine->type == LT_MBMODULE && |
} else if (needs & NEED_INITRD) { |
3204 |
tmplLine->numElements >= 2 && (needs & KERNEL_INITRD)) { |
char *initrdVal; |
3205 |
needs &= ~KERNEL_INITRD; |
initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount); |
3206 |
if (!new->multiboot && template->multiboot) { |
newLine = addLineTmpl(new, tmplLine, newLine, initrdVal, config->cfi); |
3207 |
free(newLine->elements[0].item); |
free(initrdVal); |
3208 |
newLine->elements[0].item = strdup("initrd"); |
needs &= ~NEED_INITRD; |
|
newLine->type = LT_INITRD; |
|
|
} |
|
|
free(newLine->elements[1].item); |
|
|
rootspec = getRootSpecifier(tmplLine->elements[1].item); |
|
|
if (rootspec != NULL) { |
|
|
newLine->elements[1].item = sdupprintf("%s%s", |
|
|
rootspec, |
|
|
newKernelInitrd + |
|
|
strlen(prefix)); |
|
|
} else { |
|
|
newLine->elements[1].item = strdup(newKernelInitrd + |
|
|
strlen(prefix)); |
|
|
} |
|
|
} else if (tmplLine->type == LT_TITLE && |
|
|
tmplLine->numElements >= 2) { |
|
|
needs &= ~KERNEL_TITLE; |
|
|
|
|
|
for (i = 1; i < newLine->numElements; i++) { |
|
|
free(newLine->elements[i].item); |
|
|
free(newLine->elements[i].indent); |
|
3209 |
} |
} |
3210 |
|
|
3211 |
newLine->elements[1].item = strdup(newKernelTitle); |
} else if (tmplLine->type == LT_MENUENTRY && |
3212 |
newLine->elements[1].indent = strdup(""); |
(needs & NEED_TITLE)) { |
3213 |
newLine->numElements = 2; |
requote(tmplLine, config->cfi); |
3214 |
|
char *nkt = malloc(strlen(newKernelTitle)+3); |
3215 |
|
strcpy(nkt, "'"); |
3216 |
|
strcat(nkt, newKernelTitle); |
3217 |
|
strcat(nkt, "'"); |
3218 |
|
newLine = addLineTmpl(new, tmplLine, newLine, nkt, config->cfi); |
3219 |
|
free(nkt); |
3220 |
|
needs &= ~NEED_TITLE; |
3221 |
} else if (tmplLine->type == LT_TITLE && |
} else if (tmplLine->type == LT_TITLE && |
3222 |
config->cfi->titleBracketed && |
(needs & NEED_TITLE)) { |
3223 |
tmplLine->numElements == 1) { |
if (tmplLine->numElements >= 2) { |
3224 |
needs &= ~KERNEL_TITLE; |
newLine = addLineTmpl(new, tmplLine, newLine, |
3225 |
free(newLine->elements[0].item); |
newKernelTitle, config->cfi); |
3226 |
free(newLine->elements[0].indent); |
needs &= ~NEED_TITLE; |
3227 |
newLine->elements = malloc(sizeof(*newLine->elements) * |
} else if (tmplLine->numElements == 1 && |
3228 |
newLine->numElements); |
config->cfi->titleBracketed) { |
3229 |
|
/* addLineTmpl doesn't handle titleBracketed */ |
3230 |
newLine->elements[0].item = malloc(strlen(newKernelTitle) + 3); |
newLine = addLine(new, config->cfi, LT_TITLE, |
3231 |
sprintf(newLine->elements[0].item, "[%s]", newKernelTitle); |
tmplLine->indent, newKernelTitle); |
3232 |
newLine->elements[0].indent = strdup(""); |
needs &= ~NEED_TITLE; |
3233 |
newLine->numElements = 1; |
} |
3234 |
} |
} else if (tmplLine->type == LT_ECHO) { |
3235 |
|
requote(tmplLine, config->cfi); |
3236 |
|
static const char *prefix = "'Loading "; |
3237 |
|
if (tmplLine->numElements > 1 && |
3238 |
|
strstr(tmplLine->elements[1].item, prefix) && |
3239 |
|
masterLine->next && masterLine->next->type == LT_KERNEL) { |
3240 |
|
char *newTitle = malloc(strlen(prefix) + |
3241 |
|
strlen(newKernelTitle) + 2); |
3242 |
|
|
3243 |
|
strcpy(newTitle, prefix); |
3244 |
|
strcat(newTitle, newKernelTitle); |
3245 |
|
strcat(newTitle, "'"); |
3246 |
|
newLine = addLine(new, config->cfi, LT_ECHO, |
3247 |
|
tmplLine->indent, newTitle); |
3248 |
|
free(newTitle); |
3249 |
|
} else { |
3250 |
|
/* pass through other lines from the template */ |
3251 |
|
newLine = addLineTmpl(new, tmplLine, newLine, NULL, |
3252 |
|
config->cfi); |
3253 |
|
} |
3254 |
|
} else { |
3255 |
|
/* pass through other lines from the template */ |
3256 |
|
newLine = addLineTmpl(new, tmplLine, newLine, NULL, config->cfi); |
3257 |
|
} |
3258 |
} |
} |
3259 |
|
|
3260 |
} else { |
} else { |
3261 |
for (i = 0; config->cfi->keywords[i].key; i++) { |
/* don't have a template, so start the entry with the |
3262 |
if ((config->cfi->keywords[i].type == config->cfi->entrySeparator) || (config->cfi->keywords[i].type == LT_OTHER)) |
* appropriate starting line |
3263 |
|
*/ |
3264 |
|
switch (config->cfi->entryStart) { |
3265 |
|
case LT_KERNEL: |
3266 |
|
if (new->multiboot && config->cfi->mbHyperFirst) { |
3267 |
|
/* fall through to LT_HYPER */ |
3268 |
|
} else { |
3269 |
|
newLine = addLine(new, config->cfi, LT_KERNEL, |
3270 |
|
config->primaryIndent, |
3271 |
|
newKernelPath + strlen(prefix)); |
3272 |
|
needs &= ~NEED_KERNEL; |
3273 |
|
break; |
3274 |
|
} |
3275 |
|
|
3276 |
|
case LT_HYPER: |
3277 |
|
newLine = addLine(new, config->cfi, LT_HYPER, |
3278 |
|
config->primaryIndent, |
3279 |
|
newMBKernel + strlen(prefix)); |
3280 |
|
needs &= ~NEED_MB; |
3281 |
break; |
break; |
|
} |
|
3282 |
|
|
3283 |
switch (config->cfi->keywords[i].type) { |
case LT_MENUENTRY: { |
3284 |
case LT_KERNEL: needs &= ~KERNEL_KERNEL, |
char *nkt = malloc(strlen(newKernelTitle)+3); |
3285 |
chptr = newKernelPath + strlen(prefix); |
strcpy(nkt, "'"); |
3286 |
type = LT_KERNEL; break; |
strcat(nkt, newKernelTitle); |
3287 |
case LT_TITLE: needs &= ~KERNEL_TITLE, chptr = newKernelTitle; |
strcat(nkt, "'"); |
3288 |
type = LT_TITLE; break; |
newLine = addLine(new, config->cfi, LT_MENUENTRY, |
3289 |
default: |
config->primaryIndent, nkt); |
3290 |
/* zipl strikes again */ |
free(nkt); |
3291 |
if (config->cfi->titleBracketed) { |
needs &= ~NEED_TITLE; |
3292 |
needs &= ~KERNEL_TITLE; |
needs |= NEED_END; |
3293 |
chptr = newKernelTitle; |
break; |
3294 |
type = LT_TITLE; |
} |
3295 |
break; |
case LT_TITLE: |
3296 |
} else { |
if( useextlinuxmenu != 0 ){ // We just need useextlinuxmenu to not be zero (set above) |
3297 |
abort(); |
char * templabel; |
3298 |
} |
int x = 0, y = 0; |
3299 |
} |
|
3300 |
|
templabel = strdup(newKernelTitle); |
3301 |
|
while( templabel[x]){ |
3302 |
|
if( templabel[x] == ' ' ){ |
3303 |
|
y = x; |
3304 |
|
while( templabel[y] ){ |
3305 |
|
templabel[y] = templabel[y+1]; |
3306 |
|
y++; |
3307 |
|
} |
3308 |
|
} |
3309 |
|
x++; |
3310 |
|
} |
3311 |
|
newLine = addLine(new, config->cfi, LT_TITLE, |
3312 |
|
config->primaryIndent, templabel); |
3313 |
|
free(templabel); |
3314 |
|
}else{ |
3315 |
|
newLine = addLine(new, config->cfi, LT_TITLE, |
3316 |
|
config->primaryIndent, newKernelTitle); |
3317 |
|
} |
3318 |
|
needs &= ~NEED_TITLE; |
3319 |
|
break; |
3320 |
|
|
3321 |
newLine = addLine(new, config->cfi, type, config->primaryIndent, chptr); |
default: |
3322 |
new->lines = newLine; |
abort(); |
3323 |
|
} |
3324 |
} |
} |
3325 |
|
|
3326 |
if (new->multiboot) { |
/* add the remainder of the lines, i.e. those that either |
3327 |
if (needs & KERNEL_MB) |
* weren't present in the template, or in the case of no template, |
3328 |
newLine = addLine(new, config->cfi, LT_KERNEL, |
* all the lines following the entryStart. |
3329 |
config->secondaryIndent, |
*/ |
3330 |
newMBKernel + strlen(prefix)); |
if (needs & NEED_TITLE) { |
3331 |
if (needs & KERNEL_KERNEL) |
newLine = addLine(new, config->cfi, LT_TITLE, |
3332 |
newLine = addLine(new, config->cfi, LT_MBMODULE, |
config->secondaryIndent, |
3333 |
config->secondaryIndent, |
newKernelTitle); |
3334 |
newKernelPath + strlen(prefix)); |
needs &= ~NEED_TITLE; |
3335 |
/* don't need to check for title as it's guaranteed to have been |
} |
3336 |
* done as we only do multiboot with grub which uses title as |
if ((needs & NEED_MB) && config->cfi->mbHyperFirst) { |
3337 |
* a separator */ |
newLine = addLine(new, config->cfi, LT_HYPER, |
3338 |
if (needs & KERNEL_INITRD && newKernelInitrd) |
config->secondaryIndent, |
3339 |
newLine = addLine(new, config->cfi, LT_MBMODULE, |
newMBKernel + strlen(prefix)); |
3340 |
config->secondaryIndent, |
needs &= ~NEED_MB; |
3341 |
newKernelInitrd + strlen(prefix)); |
} |
3342 |
} else { |
if (needs & NEED_KERNEL) { |
3343 |
if (needs & KERNEL_KERNEL) |
newLine = addLine(new, config->cfi, |
3344 |
newLine = addLine(new, config->cfi, LT_KERNEL, |
(new->multiboot && getKeywordByType(LT_MBMODULE, |
3345 |
config->secondaryIndent, |
config->cfi)) ? |
3346 |
newKernelPath + strlen(prefix)); |
LT_MBMODULE : LT_KERNEL, |
3347 |
if (needs & KERNEL_TITLE) |
config->secondaryIndent, |
3348 |
newLine = addLine(new, config->cfi, LT_TITLE, |
newKernelPath + strlen(prefix)); |
3349 |
config->secondaryIndent, |
needs &= ~NEED_KERNEL; |
3350 |
newKernelTitle); |
} |
3351 |
if (needs & KERNEL_INITRD && newKernelInitrd) |
if (needs & NEED_MB) { |
3352 |
newLine = addLine(new, config->cfi, LT_INITRD, |
newLine = addLine(new, config->cfi, LT_HYPER, |
3353 |
config->secondaryIndent, |
config->secondaryIndent, |
3354 |
newKernelInitrd + strlen(prefix)); |
newMBKernel + strlen(prefix)); |
3355 |
|
needs &= ~NEED_MB; |
3356 |
|
} |
3357 |
|
if (needs & NEED_INITRD) { |
3358 |
|
char *initrdVal; |
3359 |
|
initrdVal = getInitrdVal(config, prefix, NULL, newKernelInitrd, extraInitrds, extraInitrdCount); |
3360 |
|
newLine = addLine(new, config->cfi, |
3361 |
|
(new->multiboot && getKeywordByType(LT_MBMODULE, |
3362 |
|
config->cfi)) ? |
3363 |
|
LT_MBMODULE : LT_INITRD, |
3364 |
|
config->secondaryIndent, |
3365 |
|
initrdVal); |
3366 |
|
free(initrdVal); |
3367 |
|
needs &= ~NEED_INITRD; |
3368 |
|
} |
3369 |
|
if (needs & NEED_END) { |
3370 |
|
newLine = addLine(new, config->cfi, LT_ENTRY_END, |
3371 |
|
config->secondaryIndent, NULL); |
3372 |
|
needs &= ~NEED_END; |
3373 |
|
} |
3374 |
|
|
3375 |
|
if (needs) { |
3376 |
|
printf(_("grubby: needs=%d, aborting\n"), needs); |
3377 |
|
abort(); |
3378 |
} |
} |
3379 |
|
|
3380 |
if (updateImage(config, "0", prefix, newKernelArgs, NULL, |
if (updateImage(config, "0", prefix, newKernelArgs, NULL, |
3383 |
return 0; |
return 0; |
3384 |
} |
} |
3385 |
|
|
3386 |
|
static void traceback(int signum) |
3387 |
|
{ |
3388 |
|
void *array[40]; |
3389 |
|
size_t size; |
3390 |
|
|
3391 |
|
signal(SIGSEGV, SIG_DFL); |
3392 |
|
memset(array, '\0', sizeof (array)); |
3393 |
|
size = backtrace(array, 40); |
3394 |
|
|
3395 |
|
fprintf(stderr, "grubby recieved SIGSEGV! Backtrace (%ld):\n", |
3396 |
|
(unsigned long)size); |
3397 |
|
backtrace_symbols_fd(array, size, STDERR_FILENO); |
3398 |
|
exit(1); |
3399 |
|
} |
3400 |
|
|
3401 |
int main(int argc, const char ** argv) { |
int main(int argc, const char ** argv) { |
3402 |
poptContext optCon; |
poptContext optCon; |
3403 |
char * grubConfig = NULL; |
const char * grubConfig = NULL; |
3404 |
char * outputFile = NULL; |
char * outputFile = NULL; |
3405 |
int arg = 0; |
int arg = 0; |
3406 |
int flags = 0; |
int flags = 0; |
3407 |
int badImageOkay = 0; |
int badImageOkay = 0; |
3408 |
|
int configureGrub2 = 0; |
3409 |
int configureLilo = 0, configureELilo = 0, configureGrub = 0; |
int configureLilo = 0, configureELilo = 0, configureGrub = 0; |
3410 |
int configureYaboot = 0, configureSilo = 0, configureZipl = 0; |
int configureYaboot = 0, configureSilo = 0, configureZipl = 0; |
3411 |
|
int configureExtLinux = 0; |
3412 |
int bootloaderProbe = 0; |
int bootloaderProbe = 0; |
3413 |
|
int extraInitrdCount = 0; |
3414 |
char * updateKernelPath = NULL; |
char * updateKernelPath = NULL; |
3415 |
char * newKernelPath = NULL; |
char * newKernelPath = NULL; |
3416 |
char * removeKernelPath = NULL; |
char * removeKernelPath = NULL; |
3426 |
char * defaultKernel = NULL; |
char * defaultKernel = NULL; |
3427 |
char * removeArgs = NULL; |
char * removeArgs = NULL; |
3428 |
char * kernelInfo = NULL; |
char * kernelInfo = NULL; |
3429 |
|
char * extraInitrds[MAX_EXTRA_INITRDS] = { NULL }; |
3430 |
const char * chptr = NULL; |
const char * chptr = NULL; |
3431 |
struct configFileInfo * cfi = NULL; |
struct configFileInfo * cfi = NULL; |
3432 |
struct grubConfig * config; |
struct grubConfig * config; |
3433 |
struct singleEntry * template = NULL; |
struct singleEntry * template = NULL; |
3434 |
int copyDefault = 0, makeDefault = 0; |
int copyDefault = 0, makeDefault = 0; |
3435 |
int displayDefault = 0; |
int displayDefault = 0; |
3436 |
|
int displayDefaultIndex = 0; |
3437 |
|
int displayDefaultTitle = 0; |
3438 |
struct poptOption options[] = { |
struct poptOption options[] = { |
3439 |
{ "add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0, |
{ "add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0, |
3440 |
_("add an entry for the specified kernel"), _("kernel-path") }, |
_("add an entry for the specified kernel"), _("kernel-path") }, |
3465 |
"the kernel referenced by the default image does not exist, " |
"the kernel referenced by the default image does not exist, " |
3466 |
"the first linux entry whose kernel does exist is used as the " |
"the first linux entry whose kernel does exist is used as the " |
3467 |
"template"), NULL }, |
"template"), NULL }, |
3468 |
|
{ "debug", 0, 0, &debug, 0, |
3469 |
|
_("print debugging information for failures") }, |
3470 |
{ "default-kernel", 0, 0, &displayDefault, 0, |
{ "default-kernel", 0, 0, &displayDefault, 0, |
3471 |
_("display the path of the default kernel") }, |
_("display the path of the default kernel") }, |
3472 |
|
{ "default-index", 0, 0, &displayDefaultIndex, 0, |
3473 |
|
_("display the index of the default kernel") }, |
3474 |
|
{ "default-title", 0, 0, &displayDefaultTitle, 0, |
3475 |
|
_("display the title of the default kernel") }, |
3476 |
{ "elilo", 0, POPT_ARG_NONE, &configureELilo, 0, |
{ "elilo", 0, POPT_ARG_NONE, &configureELilo, 0, |
3477 |
_("configure elilo bootloader") }, |
_("configure elilo bootloader") }, |
3478 |
|
{ "extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0, |
3479 |
|
_("configure extlinux bootloader (from syslinux)") }, |
3480 |
{ "grub", 0, POPT_ARG_NONE, &configureGrub, 0, |
{ "grub", 0, POPT_ARG_NONE, &configureGrub, 0, |
3481 |
_("configure grub bootloader") }, |
_("configure grub bootloader") }, |
3482 |
|
{ "grub2", 0, POPT_ARG_NONE, &configureGrub2, 0, |
3483 |
|
_("configure grub2 bootloader") }, |
3484 |
{ "info", 0, POPT_ARG_STRING, &kernelInfo, 0, |
{ "info", 0, POPT_ARG_STRING, &kernelInfo, 0, |
3485 |
_("display boot information for specified kernel"), |
_("display boot information for specified kernel"), |
3486 |
_("kernel-path") }, |
_("kernel-path") }, |
3487 |
{ "initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0, |
{ "initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0, |
3488 |
_("initrd image for the new kernel"), _("initrd-path") }, |
_("initrd image for the new kernel"), _("initrd-path") }, |
3489 |
|
{ "extra-initrd", 'i', POPT_ARG_STRING, NULL, 'i', |
3490 |
|
_("auxilliary initrd image for things other than the new kernel"), _("initrd-path") }, |
3491 |
{ "lilo", 0, POPT_ARG_NONE, &configureLilo, 0, |
{ "lilo", 0, POPT_ARG_NONE, &configureLilo, 0, |
3492 |
_("configure lilo bootloader") }, |
_("configure lilo bootloader") }, |
3493 |
{ "make-default", 0, 0, &makeDefault, 0, |
{ "make-default", 0, 0, &makeDefault, 0, |
3524 |
{ 0, 0, 0, 0, 0 } |
{ 0, 0, 0, 0, 0 } |
3525 |
}; |
}; |
3526 |
|
|
3527 |
|
useextlinuxmenu=0; |
3528 |
|
|
3529 |
|
signal(SIGSEGV, traceback); |
3530 |
|
|
3531 |
optCon = poptGetContext("grubby", argc, argv, options, 0); |
optCon = poptGetContext("grubby", argc, argv, options, 0); |
3532 |
poptReadDefaultConfig(optCon, 1); |
poptReadDefaultConfig(optCon, 1); |
3533 |
|
|
3537 |
printf("grubby version %s\n", VERSION); |
printf("grubby version %s\n", VERSION); |
3538 |
exit(0); |
exit(0); |
3539 |
break; |
break; |
3540 |
|
case 'i': |
3541 |
|
if (extraInitrdCount < MAX_EXTRA_INITRDS) { |
3542 |
|
extraInitrds[extraInitrdCount++] = strdup(poptGetOptArg(optCon)); |
3543 |
|
} else { |
3544 |
|
fprintf(stderr, _("grubby: extra initrd maximum is %d\n"), extraInitrdCount); |
3545 |
|
return 1; |
3546 |
|
} |
3547 |
|
break; |
3548 |
} |
} |
3549 |
} |
} |
3550 |
|
|
3560 |
return 1; |
return 1; |
3561 |
} |
} |
3562 |
|
|
3563 |
if ((configureLilo + configureGrub + configureELilo + |
if ((configureLilo + configureGrub2 + configureGrub + configureELilo + |
3564 |
configureYaboot + configureSilo + configureZipl) > 1) { |
configureYaboot + configureSilo + configureZipl + |
3565 |
|
configureExtLinux ) > 1) { |
3566 |
fprintf(stderr, _("grubby: cannot specify multiple bootloaders\n")); |
fprintf(stderr, _("grubby: cannot specify multiple bootloaders\n")); |
3567 |
return 1; |
return 1; |
3568 |
} else if (bootloaderProbe && grubConfig) { |
} else if (bootloaderProbe && grubConfig) { |
3569 |
fprintf(stderr, |
fprintf(stderr, |
3570 |
_("grubby: cannot specify config file with --bootloader-probe\n")); |
_("grubby: cannot specify config file with --bootloader-probe\n")); |
3571 |
return 1; |
return 1; |
3572 |
|
} else if (configureGrub2) { |
3573 |
|
cfi = &grub2ConfigType; |
3574 |
} else if (configureLilo) { |
} else if (configureLilo) { |
3575 |
cfi = &liloConfigType; |
cfi = &liloConfigType; |
3576 |
} else if (configureGrub) { |
} else if (configureGrub) { |
3583 |
cfi = &siloConfigType; |
cfi = &siloConfigType; |
3584 |
} else if (configureZipl) { |
} else if (configureZipl) { |
3585 |
cfi = &ziplConfigType; |
cfi = &ziplConfigType; |
3586 |
|
} else if (configureExtLinux) { |
3587 |
|
cfi = &extlinuxConfigType; |
3588 |
|
useextlinuxmenu=1; |
3589 |
} |
} |
3590 |
|
|
3591 |
if (!cfi) { |
if (!cfi) { |
3592 |
|
if (grub2FindConfig(&grub2ConfigType)) |
3593 |
|
cfi = &grub2ConfigType; |
3594 |
|
else |
3595 |
#ifdef __ia64__ |
#ifdef __ia64__ |
3596 |
cfi = &eliloConfigType; |
cfi = &eliloConfigType; |
3597 |
#elif __powerpc__ |
#elif __powerpc__ |
3598 |
cfi = &yabootConfigType; |
cfi = &yabootConfigType; |
3599 |
#elif __sparc__ |
#elif __sparc__ |
3600 |
cfi = &siloConfigType; |
cfi = &siloConfigType; |
3601 |
#elif __s390__ |
#elif __s390__ |
3602 |
cfi = &ziplConfigType; |
cfi = &ziplConfigType; |
3603 |
#elif __s390x__ |
#elif __s390x__ |
3604 |
cfi = &ziplConfigtype; |
cfi = &ziplConfigtype; |
3605 |
#else |
#else |
3606 |
cfi = &grubConfigType; |
cfi = &grubConfigType; |
3607 |
#endif |
#endif |
3608 |
} |
} |
3609 |
|
|
3610 |
if (!grubConfig) |
if (!grubConfig) { |
3611 |
grubConfig = cfi->defaultConfig; |
if (cfi->findConfig) |
3612 |
|
grubConfig = cfi->findConfig(cfi); |
3613 |
|
if (!grubConfig) |
3614 |
|
grubConfig = cfi->defaultConfig; |
3615 |
|
} |
3616 |
|
|
3617 |
if (bootloaderProbe && (displayDefault || kernelInfo || newKernelVersion || |
if (bootloaderProbe && (displayDefault || kernelInfo || newKernelVersion || |
3618 |
newKernelPath || removeKernelPath || makeDefault || |
newKernelPath || removeKernelPath || makeDefault || |
3619 |
defaultKernel)) { |
defaultKernel || displayDefaultIndex || displayDefaultTitle)) { |
3620 |
fprintf(stderr, _("grubby: --bootloader-probe may not be used with " |
fprintf(stderr, _("grubby: --bootloader-probe may not be used with " |
3621 |
"specified option")); |
"specified option")); |
3622 |
return 1; |
return 1; |
3632 |
if (newKernelPath && !newKernelTitle) { |
if (newKernelPath && !newKernelTitle) { |
3633 |
fprintf(stderr, _("grubby: kernel title must be specified\n")); |
fprintf(stderr, _("grubby: kernel title must be specified\n")); |
3634 |
return 1; |
return 1; |
3635 |
} else if (!newKernelPath && (newKernelTitle || newKernelInitrd || |
} else if (!newKernelPath && (newKernelTitle || copyDefault || |
3636 |
newKernelInitrd || copyDefault || |
(newKernelInitrd && !updateKernelPath)|| |
3637 |
makeDefault)) { |
makeDefault || extraInitrdCount > 0)) { |
3638 |
fprintf(stderr, _("grubby: kernel path expected\n")); |
fprintf(stderr, _("grubby: kernel path expected\n")); |
3639 |
return 1; |
return 1; |
3640 |
} |
} |
3659 |
defaultKernel = NULL; |
defaultKernel = NULL; |
3660 |
} |
} |
3661 |
|
|
3662 |
if (!strcmp(grubConfig, "-") && !outputFile) { |
if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) { |
3663 |
fprintf(stderr, _("grubby: output file must be specified if stdin " |
fprintf(stderr, _("grubby: output file must be specified if stdin " |
3664 |
"is used\n")); |
"is used\n")); |
3665 |
return 1; |
return 1; |
3667 |
|
|
3668 |
if (!removeKernelPath && !newKernelPath && !displayDefault && !defaultKernel |
if (!removeKernelPath && !newKernelPath && !displayDefault && !defaultKernel |
3669 |
&& !kernelInfo && !bootloaderProbe && !updateKernelPath |
&& !kernelInfo && !bootloaderProbe && !updateKernelPath |
3670 |
&& !removeMBKernel) { |
&& !removeMBKernel && !displayDefaultIndex && !displayDefaultTitle) { |
3671 |
fprintf(stderr, _("grubby: no action specified\n")); |
fprintf(stderr, _("grubby: no action specified\n")); |
3672 |
return 1; |
return 1; |
3673 |
} |
} |
3687 |
bootPrefix = ""; |
bootPrefix = ""; |
3688 |
} |
} |
3689 |
|
|
3690 |
|
if (!cfi->mbAllowExtraInitRds && |
3691 |
|
extraInitrdCount > 0) { |
3692 |
|
fprintf(stderr, _("grubby: %s doesn't allow multiple initrds\n"), cfi->defaultConfig); |
3693 |
|
return 1; |
3694 |
|
} |
3695 |
|
|
3696 |
if (bootloaderProbe) { |
if (bootloaderProbe) { |
3697 |
int lrc = 0, grc = 0; |
int lrc = 0, grc = 0, gr2c = 0, erc = 0; |
3698 |
struct grubConfig * lconfig, * gconfig; |
struct grubConfig * lconfig, * gconfig; |
3699 |
|
|
3700 |
if (!access(grubConfigType.defaultConfig, F_OK)) { |
const char *grub2config = grub2FindConfig(&grub2ConfigType); |
3701 |
gconfig = readConfig(grubConfigType.defaultConfig, &grubConfigType); |
if (grub2config) { |
3702 |
|
gconfig = readConfig(grub2config, &grub2ConfigType); |
3703 |
|
if (!gconfig) |
3704 |
|
gr2c = 1; |
3705 |
|
else |
3706 |
|
gr2c = checkForGrub2(gconfig); |
3707 |
|
} |
3708 |
|
|
3709 |
|
const char *grubconfig = grubFindConfig(&grubConfigType); |
3710 |
|
if (!access(grubconfig, F_OK)) { |
3711 |
|
gconfig = readConfig(grubconfig, &grubConfigType); |
3712 |
if (!gconfig) |
if (!gconfig) |
3713 |
grc = 1; |
grc = 1; |
3714 |
else |
else |
3723 |
lrc = checkForLilo(lconfig); |
lrc = checkForLilo(lconfig); |
3724 |
} |
} |
3725 |
|
|
3726 |
if (lrc == 1 || grc == 1) return 1; |
if (!access(extlinuxConfigType.defaultConfig, F_OK)) { |
3727 |
|
lconfig = readConfig(extlinuxConfigType.defaultConfig, &extlinuxConfigType); |
3728 |
|
if (!lconfig) |
3729 |
|
erc = 1; |
3730 |
|
else |
3731 |
|
erc = checkForExtLinux(lconfig); |
3732 |
|
} |
3733 |
|
|
3734 |
|
if (lrc == 1 || grc == 1 || gr2c == 1) return 1; |
3735 |
|
|
3736 |
if (lrc == 2) printf("lilo\n"); |
if (lrc == 2) printf("lilo\n"); |
3737 |
|
if (gr2c == 2) printf("grub2\n"); |
3738 |
if (grc == 2) printf("grub\n"); |
if (grc == 2) printf("grub\n"); |
3739 |
|
if (erc == 2) printf("extlinux\n"); |
3740 |
|
|
3741 |
return 0; |
return 0; |
3742 |
} |
} |
3754 |
if (!entry) return 0; |
if (!entry) return 0; |
3755 |
if (!suitableImage(entry, bootPrefix, 0, flags)) return 0; |
if (!suitableImage(entry, bootPrefix, 0, flags)) return 0; |
3756 |
|
|
3757 |
line = entry->lines; |
line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines); |
|
while (line && line->type != LT_KERNEL) line = line->next; |
|
3758 |
if (!line) return 0; |
if (!line) return 0; |
3759 |
|
|
3760 |
rootspec = getRootSpecifier(line->elements[1].item); |
rootspec = getRootSpecifier(line->elements[1].item); |
3762 |
((rootspec != NULL) ? strlen(rootspec) : 0)); |
((rootspec != NULL) ? strlen(rootspec) : 0)); |
3763 |
|
|
3764 |
return 0; |
return 0; |
3765 |
|
|
3766 |
|
} else if (displayDefaultTitle) { |
3767 |
|
struct singleLine * line; |
3768 |
|
struct singleEntry * entry; |
3769 |
|
|
3770 |
|
if (config->defaultImage == -1) return 0; |
3771 |
|
entry = findEntryByIndex(config, config->defaultImage); |
3772 |
|
if (!entry) return 0; |
3773 |
|
|
3774 |
|
if (!configureGrub2) { |
3775 |
|
line = getLineByType(LT_TITLE, entry->lines); |
3776 |
|
if (!line) return 0; |
3777 |
|
printf("%s\n", line->elements[1].item); |
3778 |
|
|
3779 |
|
} else { |
3780 |
|
char * title; |
3781 |
|
|
3782 |
|
dbgPrintf("This is GRUB2, default title is embeded in menuentry\n"); |
3783 |
|
line = getLineByType(LT_MENUENTRY, entry->lines); |
3784 |
|
if (!line) return 0; |
3785 |
|
title = grub2ExtractTitle(line); |
3786 |
|
if (title) |
3787 |
|
printf("%s\n", title); |
3788 |
|
} |
3789 |
|
return 0; |
3790 |
|
|
3791 |
|
} else if (displayDefaultIndex) { |
3792 |
|
if (config->defaultImage == -1) return 0; |
3793 |
|
printf("%i\n", config->defaultImage); |
3794 |
|
|
3795 |
} else if (kernelInfo) |
} else if (kernelInfo) |
3796 |
return displayInfo(config, kernelInfo, bootPrefix); |
return displayInfo(config, kernelInfo, bootPrefix); |
3797 |
|
|
3807 |
setFallbackImage(config, newKernelPath != NULL); |
setFallbackImage(config, newKernelPath != NULL); |
3808 |
if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs, |
if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs, |
3809 |
removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1; |
removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1; |
3810 |
|
if (updateKernelPath && newKernelInitrd) { |
3811 |
|
if (updateInitrd(config, updateKernelPath, bootPrefix, |
3812 |
|
newKernelInitrd)) return 1; |
3813 |
|
} |
3814 |
if (addNewKernel(config, template, bootPrefix, newKernelPath, |
if (addNewKernel(config, template, bootPrefix, newKernelPath, |
3815 |
newKernelTitle, newKernelArgs, newKernelInitrd, |
newKernelTitle, newKernelArgs, newKernelInitrd, |
3816 |
|
(const char **)extraInitrds, extraInitrdCount, |
3817 |
newMBKernel, newMBKernelArgs)) return 1; |
newMBKernel, newMBKernelArgs)) return 1; |
3818 |
|
|
3819 |
|
|
3824 |
} |
} |
3825 |
|
|
3826 |
if (!outputFile) |
if (!outputFile) |
3827 |
outputFile = grubConfig; |
outputFile = (char *)grubConfig; |
3828 |
|
|
3829 |
return writeConfig(config, outputFile, bootPrefix); |
return writeConfig(config, outputFile, bootPrefix); |
3830 |
} |
} |