36 |
#include <signal.h> |
#include <signal.h> |
37 |
#include <blkid/blkid.h> |
#include <blkid/blkid.h> |
38 |
|
|
39 |
|
#ifndef DEBUG |
40 |
#define DEBUG 0 |
#define DEBUG 0 |
41 |
|
#endif |
42 |
|
|
43 |
#if DEBUG |
#if DEBUG |
44 |
#define dbgPrintf(format, args...) fprintf(stderr, format , ## args) |
#define dbgPrintf(format, args...) fprintf(stderr, format , ## args) |
117 |
struct keywordTypes * keywords; |
struct keywordTypes * keywords; |
118 |
int defaultIsIndex; |
int defaultIsIndex; |
119 |
int defaultSupportSaved; |
int defaultSupportSaved; |
120 |
enum lineType_e entrySeparator; |
enum lineType_e entryStart; |
121 |
int needsBootPrefix; |
int needsBootPrefix; |
122 |
int argsInQuotes; |
int argsInQuotes; |
123 |
int maxTitleLength; |
int maxTitleLength; |
141 |
}; |
}; |
142 |
|
|
143 |
struct configFileInfo grubConfigType = { |
struct configFileInfo grubConfigType = { |
144 |
"/boot/grub/grub.conf", /* defaultConfig */ |
.defaultConfig = "/boot/grub/grub.conf", |
145 |
grubKeywords, /* keywords */ |
.keywords = grubKeywords, |
146 |
1, /* defaultIsIndex */ |
.defaultIsIndex = 1, |
147 |
1, /* defaultSupportSaved */ |
.defaultSupportSaved = 1, |
148 |
LT_TITLE, /* entrySeparator */ |
.entryStart = LT_TITLE, |
149 |
1, /* needsBootPrefix */ |
.needsBootPrefix = 1, |
150 |
0, /* argsInQuotes */ |
.mbHyperFirst = 1, |
151 |
0, /* maxTitleLength */ |
.mbInitRdIsModule = 1, |
152 |
0, /* titleBracketed */ |
.mbAllowExtraInitRds = 1, |
|
1, /* mbHyperFirst */ |
|
|
1, /* mbInitRdIsModule */ |
|
|
0, /* mbConcatArgs */ |
|
|
1, /* mbAllowExtraInitRds */ |
|
153 |
}; |
}; |
154 |
|
|
155 |
struct keywordTypes yabootKeywords[] = { |
struct keywordTypes yabootKeywords[] = { |
247 |
}; |
}; |
248 |
int useextlinuxmenu; |
int useextlinuxmenu; |
249 |
struct configFileInfo eliloConfigType = { |
struct configFileInfo eliloConfigType = { |
250 |
"/boot/efi/EFI/redhat/elilo.conf", /* defaultConfig */ |
.defaultConfig = "/boot/efi/EFI/redhat/elilo.conf", |
251 |
eliloKeywords, /* keywords */ |
.keywords = eliloKeywords, |
252 |
0, /* defaultIsIndex */ |
.entryStart = LT_KERNEL, |
253 |
0, /* defaultSupportSaved */ |
.needsBootPrefix = 1, |
254 |
LT_KERNEL, /* entrySeparator */ |
.argsInQuotes = 1, |
255 |
1, /* needsBootPrefix */ |
.mbConcatArgs = 1, |
|
1, /* argsInQuotes */ |
|
|
0, /* maxTitleLength */ |
|
|
0, /* titleBracketed */ |
|
|
0, /* mbHyperFirst */ |
|
|
0, /* mbInitRdIsModule */ |
|
|
1, /* mbConcatArgs */ |
|
|
0, /* mbAllowExtraInitRds */ |
|
256 |
}; |
}; |
257 |
|
|
258 |
struct configFileInfo liloConfigType = { |
struct configFileInfo liloConfigType = { |
259 |
"/etc/lilo.conf", /* defaultConfig */ |
.defaultConfig = "/etc/lilo.conf", |
260 |
liloKeywords, /* keywords */ |
.keywords = liloKeywords, |
261 |
0, /* defaultIsIndex */ |
.entryStart = LT_KERNEL, |
262 |
0, /* defaultSupportSaved */ |
.argsInQuotes = 1, |
263 |
LT_KERNEL, /* entrySeparator */ |
.maxTitleLength = 15, |
|
0, /* needsBootPrefix */ |
|
|
1, /* argsInQuotes */ |
|
|
15, /* maxTitleLength */ |
|
|
0, /* titleBracketed */ |
|
|
0, /* mbHyperFirst */ |
|
|
0, /* mbInitRdIsModule */ |
|
|
0, /* mbConcatArgs */ |
|
|
0, /* mbAllowExtraInitRds */ |
|
264 |
}; |
}; |
265 |
|
|
266 |
struct configFileInfo yabootConfigType = { |
struct configFileInfo yabootConfigType = { |
267 |
"/etc/yaboot.conf", /* defaultConfig */ |
.defaultConfig = "/etc/yaboot.conf", |
268 |
yabootKeywords, /* keywords */ |
.keywords = yabootKeywords, |
269 |
0, /* defaultIsIndex */ |
.entryStart = LT_KERNEL, |
270 |
0, /* defaultSupportSaved */ |
.needsBootPrefix = 1, |
271 |
LT_KERNEL, /* entrySeparator */ |
.argsInQuotes = 1, |
272 |
1, /* needsBootPrefix */ |
.maxTitleLength = 15, |
273 |
1, /* argsInQuotes */ |
.mbAllowExtraInitRds = 1, |
|
15, /* maxTitleLength */ |
|
|
0, /* titleBracketed */ |
|
|
0, /* mbHyperFirst */ |
|
|
0, /* mbInitRdIsModule */ |
|
|
0, /* mbConcatArgs */ |
|
|
1, /* mbAllowExtraInitRds */ |
|
274 |
}; |
}; |
275 |
|
|
276 |
struct configFileInfo siloConfigType = { |
struct configFileInfo siloConfigType = { |
277 |
"/etc/silo.conf", /* defaultConfig */ |
.defaultConfig = "/etc/silo.conf", |
278 |
siloKeywords, /* keywords */ |
.keywords = siloKeywords, |
279 |
0, /* defaultIsIndex */ |
.entryStart = LT_KERNEL, |
280 |
0, /* defaultSupportSaved */ |
.needsBootPrefix = 1, |
281 |
LT_KERNEL, /* entrySeparator */ |
.argsInQuotes = 1, |
282 |
1, /* needsBootPrefix */ |
.maxTitleLength = 15, |
|
1, /* argsInQuotes */ |
|
|
15, /* maxTitleLength */ |
|
|
0, /* titleBracketed */ |
|
|
0, /* mbHyperFirst */ |
|
|
0, /* mbInitRdIsModule */ |
|
|
0, /* mbConcatArgs */ |
|
|
0, /* mbAllowExtraInitRds */ |
|
283 |
}; |
}; |
284 |
|
|
285 |
struct configFileInfo ziplConfigType = { |
struct configFileInfo ziplConfigType = { |
286 |
"/etc/zipl.conf", /* defaultConfig */ |
.defaultConfig = "/etc/zipl.conf", |
287 |
ziplKeywords, /* keywords */ |
.keywords = ziplKeywords, |
288 |
0, /* defaultIsIndex */ |
.entryStart = LT_TITLE, |
289 |
0, /* defaultSupportSaved */ |
.argsInQuotes = 1, |
290 |
LT_TITLE, /* entrySeparator */ |
.titleBracketed = 1, |
|
0, /* needsBootPrefix */ |
|
|
1, /* argsInQuotes */ |
|
|
0, /* maxTitleLength */ |
|
|
1, /* titleBracketed */ |
|
|
0, /* mbHyperFirst */ |
|
|
0, /* mbInitRdIsModule */ |
|
|
0, /* mbConcatArgs */ |
|
|
0, /* mbAllowExtraInitRds */ |
|
291 |
}; |
}; |
292 |
|
|
293 |
struct configFileInfo extlinuxConfigType = { |
struct configFileInfo extlinuxConfigType = { |
294 |
"/boot/extlinux/extlinux.conf", /* defaultConfig */ |
.defaultConfig = "/boot/extlinux/extlinux.conf", |
295 |
extlinuxKeywords, /* keywords */ |
.keywords = extlinuxKeywords, |
296 |
0, /* defaultIsIndex */ |
.entryStart = LT_TITLE, |
297 |
0, /* defaultSupportSaved */ |
.needsBootPrefix = 1, |
298 |
LT_TITLE, /* entrySeparator */ |
.maxTitleLength = 255, |
299 |
1, /* needsBootPrefix */ |
.mbAllowExtraInitRds = 1, |
|
0, /* argsInQuotes */ |
|
|
255, /* maxTitleLength */ |
|
|
0, /* titleBracketed */ |
|
|
0, /* mbHyperFirst */ |
|
|
0, /* mbInitRdIsModule */ |
|
|
0, /* mbConcatArgs */ |
|
|
1, /* mbAllowExtraInitRds */ |
|
300 |
}; |
}; |
301 |
|
|
302 |
struct grubConfig { |
struct grubConfig { |
311 |
struct configFileInfo * cfi; |
struct configFileInfo * cfi; |
312 |
}; |
}; |
313 |
|
|
314 |
|
blkid_cache blkid; |
315 |
|
|
316 |
struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index); |
struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index); |
317 |
struct singleEntry * findEntryByPath(struct grubConfig * cfg, |
struct singleEntry * findEntryByPath(struct grubConfig * cfg, |
318 |
const char * path, const char * prefix, |
const char * path, const char * prefix, |
391 |
} |
} |
392 |
|
|
393 |
static char * getpathbyspec(char *device) { |
static char * getpathbyspec(char *device) { |
|
static blkid_cache blkid; |
|
|
|
|
394 |
if (!blkid) |
if (!blkid) |
395 |
blkid_get_cache(&blkid, NULL); |
blkid_get_cache(&blkid, NULL); |
396 |
|
|
397 |
return blkid_get_devname(blkid, device, NULL); |
return blkid_get_devname(blkid, device, NULL); |
398 |
} |
} |
399 |
|
|
400 |
|
static char * getuuidbydev(char *device) { |
401 |
|
if (!blkid) |
402 |
|
blkid_get_cache(&blkid, NULL); |
403 |
|
|
404 |
|
return blkid_get_tag_value(blkid, "UUID", device); |
405 |
|
} |
406 |
|
|
407 |
static enum lineType_e getTypeByKeyword(char * keyword, |
static enum lineType_e getTypeByKeyword(char * keyword, |
408 |
struct configFileInfo * cfi) { |
struct configFileInfo * cfi) { |
409 |
struct keywordTypes * kw; |
struct keywordTypes * kw; |
439 |
return 0; |
return 0; |
440 |
} |
} |
441 |
|
|
442 |
static int isEntrySeparator(struct singleLine * line, |
static int isEntryStart(struct singleLine * line, |
443 |
struct configFileInfo * cfi) { |
struct configFileInfo * cfi) { |
444 |
return line->type == cfi->entrySeparator || line->type == LT_OTHER || |
return line->type == cfi->entryStart || line->type == LT_OTHER || |
445 |
(cfi->titleBracketed && isBracketedTitle(line)); |
(cfi->titleBracketed && isBracketedTitle(line)); |
446 |
} |
} |
447 |
|
|
764 |
cfg->secondaryIndent = strdup(line->indent); |
cfg->secondaryIndent = strdup(line->indent); |
765 |
} |
} |
766 |
|
|
767 |
if (isEntrySeparator(line, cfi)) { |
if (isEntryStart(line, cfi)) { |
768 |
sawEntry = 1; |
sawEntry = 1; |
769 |
if (!entry) { |
if (!entry) { |
770 |
cfg->entries = malloc(sizeof(*entry)); |
cfg->entries = malloc(sizeof(*entry)); |
1117 |
return i; |
return i; |
1118 |
} |
} |
1119 |
|
|
1120 |
|
static char *findDiskForRoot() |
1121 |
|
{ |
1122 |
|
int fd; |
1123 |
|
char buf[65536]; |
1124 |
|
char *devname; |
1125 |
|
char *chptr; |
1126 |
|
int rc; |
1127 |
|
|
1128 |
|
if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) { |
1129 |
|
fprintf(stderr, "grubby: failed to open %s: %s\n", |
1130 |
|
_PATH_MOUNTED, strerror(errno)); |
1131 |
|
return NULL; |
1132 |
|
} |
1133 |
|
|
1134 |
|
rc = read(fd, buf, sizeof(buf) - 1); |
1135 |
|
if (rc <= 0) { |
1136 |
|
fprintf(stderr, "grubby: failed to read %s: %s\n", |
1137 |
|
_PATH_MOUNTED, strerror(errno)); |
1138 |
|
close(fd); |
1139 |
|
return NULL; |
1140 |
|
} |
1141 |
|
close(fd); |
1142 |
|
buf[rc] = '\0'; |
1143 |
|
chptr = buf; |
1144 |
|
|
1145 |
|
while (chptr && chptr != buf+rc) { |
1146 |
|
devname = chptr; |
1147 |
|
|
1148 |
|
/* |
1149 |
|
* The first column of a mtab entry is the device, but if the entry is a |
1150 |
|
* special device it won't start with /, so move on to the next line. |
1151 |
|
*/ |
1152 |
|
if (*devname != '/') { |
1153 |
|
chptr = strchr(chptr, '\n'); |
1154 |
|
if (chptr) |
1155 |
|
chptr++; |
1156 |
|
continue; |
1157 |
|
} |
1158 |
|
|
1159 |
|
/* Seek to the next space */ |
1160 |
|
chptr = strchr(chptr, ' '); |
1161 |
|
if (!chptr) { |
1162 |
|
fprintf(stderr, "grubby: error parsing %s: %s\n", |
1163 |
|
_PATH_MOUNTED, strerror(errno)); |
1164 |
|
return NULL; |
1165 |
|
} |
1166 |
|
|
1167 |
|
/* |
1168 |
|
* The second column of a mtab entry is the mount point, we are looking |
1169 |
|
* for '/' obviously. |
1170 |
|
*/ |
1171 |
|
if (*(++chptr) == '/' && *(++chptr) == ' ') { |
1172 |
|
/* |
1173 |
|
* Move back 2, which is the first space after the device name, set |
1174 |
|
* it to \0 so strdup will just get the devicename. |
1175 |
|
*/ |
1176 |
|
chptr -= 2; |
1177 |
|
*chptr = '\0'; |
1178 |
|
return strdup(devname); |
1179 |
|
} |
1180 |
|
|
1181 |
|
/* Next line */ |
1182 |
|
chptr = strchr(chptr, '\n'); |
1183 |
|
if (chptr) |
1184 |
|
chptr++; |
1185 |
|
} |
1186 |
|
|
1187 |
|
return NULL; |
1188 |
|
} |
1189 |
|
|
1190 |
int suitableImage(struct singleEntry * entry, const char * bootPrefix, |
int suitableImage(struct singleEntry * entry, const char * bootPrefix, |
1191 |
int skipRemoved, int flags) { |
int skipRemoved, int flags) { |
1192 |
struct singleLine * line; |
struct singleLine * line; |
1193 |
char * fullName; |
char * fullName; |
1194 |
int i; |
int i; |
|
struct stat sb, sb2; |
|
1195 |
char * dev; |
char * dev; |
1196 |
char * rootspec; |
char * rootspec; |
1197 |
|
char * rootdev; |
1198 |
|
|
1199 |
if (skipRemoved && entry->skip) return 0; |
if (skipRemoved && entry->skip) return 0; |
1200 |
|
|
1244 |
if (!dev) |
if (!dev) |
1245 |
return 0; |
return 0; |
1246 |
|
|
1247 |
i = stat(dev, &sb); |
rootdev = findDiskForRoot(); |
1248 |
if (i) |
if (!rootdev) |
1249 |
return 0; |
return 0; |
1250 |
|
|
1251 |
stat("/", &sb2); |
if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) { |
1252 |
|
free(rootdev); |
1253 |
|
return 0; |
1254 |
|
} |
1255 |
|
|
1256 |
if (sb.st_rdev != sb2.st_dev) |
if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) { |
1257 |
|
free(rootdev); |
1258 |
return 0; |
return 0; |
1259 |
|
} |
1260 |
|
|
1261 |
|
free(rootdev); |
1262 |
|
|
1263 |
return 1; |
return 1; |
1264 |
} |
} |
1621 |
char * start; |
char * start; |
1622 |
char * param; |
char * param; |
1623 |
|
|
1624 |
in = fopen("/etc/sysconfig/grub", "r"); |
in = fopen("/etc/conf.d/grub", "r"); |
1625 |
if (!in) return 1; |
if (!in) return 1; |
1626 |
|
|
1627 |
if (lbaPtr) *lbaPtr = 0; |
if (lbaPtr) *lbaPtr = 0; |
1683 |
return 1; |
return 1; |
1684 |
} |
} |
1685 |
|
|
1686 |
/* this is a horrible hack to support /etc/sysconfig/grub; there must |
/* this is a horrible hack to support /etc/conf.d/grub; there must |
1687 |
be a better way */ |
be a better way */ |
1688 |
if (config->cfi == &grubConfigType) { |
if (config->cfi == &grubConfigType) { |
1689 |
dumpSysconfigGrub(); |
dumpSysconfigGrub(); |
1934 |
const char ** arg; |
const char ** arg; |
1935 |
int useKernelArgs, useRoot; |
int useKernelArgs, useRoot; |
1936 |
int firstElement; |
int firstElement; |
1937 |
int *usedElements, *usedArgs; |
int *usedElements; |
1938 |
int doreplace; |
int doreplace; |
1939 |
|
|
1940 |
if (!image) return 0; |
if (!image) return 0; |
1969 |
useRoot = (getKeywordByType(LT_ROOT, cfg->cfi) |
useRoot = (getKeywordByType(LT_ROOT, cfg->cfi) |
1970 |
&& !multibootArgs); |
&& !multibootArgs); |
1971 |
|
|
|
for (k = 0, arg = newArgs; *arg; arg++, k++) ; |
|
|
usedArgs = calloc(k, sizeof(*usedArgs)); |
|
|
|
|
1972 |
for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
1973 |
|
|
1974 |
if (multibootArgs && !entry->multiboot) |
if (multibootArgs && !entry->multiboot) |
2044 |
usedElements = calloc(line->numElements, sizeof(*usedElements)); |
usedElements = calloc(line->numElements, sizeof(*usedElements)); |
2045 |
|
|
2046 |
for (k = 0, arg = newArgs; *arg; arg++, k++) { |
for (k = 0, arg = newArgs; *arg; arg++, k++) { |
|
if (usedArgs[k]) continue; |
|
2047 |
|
|
2048 |
doreplace = 1; |
doreplace = 1; |
2049 |
for (i = firstElement; i < line->numElements; i++) { |
for (i = firstElement; i < line->numElements; i++) { |
2058 |
continue; |
continue; |
2059 |
if (!argMatch(line->elements[i].item, *arg)) { |
if (!argMatch(line->elements[i].item, *arg)) { |
2060 |
usedElements[i]=1; |
usedElements[i]=1; |
|
usedArgs[k]=1; |
|
2061 |
break; |
break; |
2062 |
} |
} |
2063 |
} |
} |
2127 |
} |
} |
2128 |
} |
} |
2129 |
|
|
|
free(usedArgs); |
|
2130 |
free(newArgs); |
free(newArgs); |
2131 |
free(oldArgs); |
free(oldArgs); |
2132 |
|
|
2152 |
return rc; |
return rc; |
2153 |
} |
} |
2154 |
|
|
2155 |
|
int updateInitrd(struct grubConfig * cfg, const char * image, |
2156 |
|
const char * prefix, const char * initrd) { |
2157 |
|
struct singleEntry * entry; |
2158 |
|
struct singleLine * line, * kernelLine; |
2159 |
|
int index = 0; |
2160 |
|
|
2161 |
|
if (!image) return 0; |
2162 |
|
|
2163 |
|
for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
2164 |
|
kernelLine = getLineByType(LT_KERNEL, entry->lines); |
2165 |
|
if (!kernelLine) continue; |
2166 |
|
|
2167 |
|
line = getLineByType(LT_INITRD, entry->lines); |
2168 |
|
if (line) |
2169 |
|
removeLine(entry, line); |
2170 |
|
if (prefix) { |
2171 |
|
int prefixLen = strlen(prefix); |
2172 |
|
if (!strncmp(initrd, prefix, prefixLen)) |
2173 |
|
initrd += prefixLen; |
2174 |
|
} |
2175 |
|
line = addLine(entry, cfg->cfi, LT_INITRD, kernelLine->indent, initrd); |
2176 |
|
if (!line) return 1; |
2177 |
|
break; |
2178 |
|
} |
2179 |
|
|
2180 |
|
return 0; |
2181 |
|
} |
2182 |
|
|
2183 |
int checkDeviceBootloader(const char * device, const unsigned char * boot) { |
int checkDeviceBootloader(const char * device, const unsigned char * boot) { |
2184 |
int fd; |
int fd; |
2185 |
unsigned char bootSect[512]; |
unsigned char bootSect[512]; |
2675 |
/* don't have a template, so start the entry with the |
/* don't have a template, so start the entry with the |
2676 |
* appropriate starting line |
* appropriate starting line |
2677 |
*/ |
*/ |
2678 |
switch (config->cfi->entrySeparator) { |
switch (config->cfi->entryStart) { |
2679 |
case LT_KERNEL: |
case LT_KERNEL: |
2680 |
if (new->multiboot && config->cfi->mbHyperFirst) { |
if (new->multiboot && config->cfi->mbHyperFirst) { |
2681 |
/* fall through to LT_HYPER */ |
/* fall through to LT_HYPER */ |
2727 |
|
|
2728 |
/* add the remainder of the lines, i.e. those that either |
/* add the remainder of the lines, i.e. those that either |
2729 |
* weren't present in the template, or in the case of no template, |
* weren't present in the template, or in the case of no template, |
2730 |
* all the lines following the entrySeparator. |
* all the lines following the entryStart. |
2731 |
*/ |
*/ |
2732 |
if (needs & NEED_TITLE) { |
if (needs & NEED_TITLE) { |
2733 |
newLine = addLine(new, config->cfi, LT_TITLE, |
newLine = addLine(new, config->cfi, LT_TITLE, |
3009 |
if (newKernelPath && !newKernelTitle) { |
if (newKernelPath && !newKernelTitle) { |
3010 |
fprintf(stderr, _("grubby: kernel title must be specified\n")); |
fprintf(stderr, _("grubby: kernel title must be specified\n")); |
3011 |
return 1; |
return 1; |
3012 |
} else if (!newKernelPath && (newKernelTitle || newKernelInitrd || |
} else if (!newKernelPath && (newKernelTitle || copyDefault || |
3013 |
newKernelInitrd || copyDefault || |
(newKernelInitrd && !updateKernelPath)|| |
3014 |
makeDefault || extraInitrdCount > 0)) { |
makeDefault || extraInitrdCount > 0)) { |
3015 |
fprintf(stderr, _("grubby: kernel path expected\n")); |
fprintf(stderr, _("grubby: kernel path expected\n")); |
3016 |
return 1; |
return 1; |
3143 |
setFallbackImage(config, newKernelPath != NULL); |
setFallbackImage(config, newKernelPath != NULL); |
3144 |
if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs, |
if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs, |
3145 |
removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1; |
removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1; |
3146 |
|
if (updateKernelPath && newKernelInitrd) { |
3147 |
|
if (updateInitrd(config, updateKernelPath, bootPrefix, |
3148 |
|
newKernelInitrd)) return 1; |
3149 |
|
} |
3150 |
if (addNewKernel(config, template, bootPrefix, newKernelPath, |
if (addNewKernel(config, template, bootPrefix, newKernelPath, |
3151 |
newKernelTitle, newKernelArgs, newKernelInitrd, |
newKernelTitle, newKernelArgs, newKernelInitrd, |
3152 |
extraInitrds, extraInitrdCount, |
extraInitrds, extraInitrdCount, |