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