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    Diff of /tags/grubby-8_20/grubby.c

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    revision 1727 by niro, Sat Feb 18 00:57:49 2012 UTC revision 1736 by niro, Sat Feb 18 01:02:17 2012 UTC
    # Line 46  Line 46 
    46  #define dbgPrintf(format, args...)  #define dbgPrintf(format, args...)
    47  #endif  #endif
    48    
    49    int debug = 0; /* Currently just for template debugging */
    50    
    51  #define _(A) (A)  #define _(A) (A)
    52    
    53  #define MAX_EXTRA_INITRDS  16 /* code segment checked by --bootloader-probe */  #define MAX_EXTRA_INITRDS  16 /* code segment checked by --bootloader-probe */
    # Line 1338  static char *findDiskForRoot() Line 1340  static char *findDiskForRoot()
    1340      return NULL;      return NULL;
    1341  }  }
    1342    
    1343    void printEntry(struct singleEntry * entry) {
    1344        int i;
    1345        struct singleLine * line;
    1346    
    1347        for (line = entry->lines; line; line = line->next) {
    1348     fprintf(stderr, "DBG: %s", line->indent);
    1349     for (i = 0; i < line->numElements; i++) {
    1350     fprintf(stderr, "%s%s",
    1351        line->elements[i].item, line->elements[i].indent);
    1352     }
    1353     fprintf(stderr, "\n");
    1354        }
    1355    }
    1356    
    1357    void notSuitablePrintf(struct singleEntry * entry, const char *fmt, ...)
    1358    {
    1359        va_list argp;
    1360    
    1361        if (!debug)
    1362     return;
    1363    
    1364        va_start(argp, fmt);
    1365        fprintf(stderr, "DBG: Image entry failed: ");
    1366        vfprintf(stderr, fmt, argp);
    1367        printEntry(entry);
    1368        va_end(argp);
    1369    }
    1370    
    1371  int suitableImage(struct singleEntry * entry, const char * bootPrefix,  int suitableImage(struct singleEntry * entry, const char * bootPrefix,
    1372    int skipRemoved, int flags) {    int skipRemoved, int flags) {
    1373      struct singleLine * line;      struct singleLine * line;
    # Line 1347  int suitableImage(struct singleEntry * e Line 1377  int suitableImage(struct singleEntry * e
    1377      char * rootspec;      char * rootspec;
    1378      char * rootdev;      char * rootdev;
    1379    
    1380      if (skipRemoved && entry->skip) return 0;      if (skipRemoved && entry->skip) {
    1381     notSuitablePrintf(entry, "marked to skip\n");
    1382     return 0;
    1383        }
    1384    
    1385      line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines);      line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines);
    1386      if (!line || line->numElements < 2) return 0;      if (!line) {
    1387     notSuitablePrintf(entry, "no line found\n");
    1388     return 0;
    1389        }
    1390        if (line->numElements < 2) {
    1391     notSuitablePrintf(entry, "line has only %d elements\n",
    1392        line->numElements);
    1393     return 0;
    1394        }
    1395    
    1396      if (flags & GRUBBY_BADIMAGE_OKAY) return 1;      if (flags & GRUBBY_BADIMAGE_OKAY) return 1;
    1397    
    # Line 1359  int suitableImage(struct singleEntry * e Line 1400  int suitableImage(struct singleEntry * e
    1400      rootspec = getRootSpecifier(line->elements[1].item);      rootspec = getRootSpecifier(line->elements[1].item);
    1401      sprintf(fullName, "%s%s", bootPrefix,      sprintf(fullName, "%s%s", bootPrefix,
    1402              line->elements[1].item + (rootspec ? strlen(rootspec) : 0));              line->elements[1].item + (rootspec ? strlen(rootspec) : 0));
    1403      if (access(fullName, R_OK)) return 0;      if (access(fullName, R_OK)) {
    1404     notSuitablePrintf(entry, "access to %s failed\n", fullName);
    1405     return 0;
    1406        }
    1407      for (i = 2; i < line->numElements; i++)      for (i = 2; i < line->numElements; i++)
    1408   if (!strncasecmp(line->elements[i].item, "root=", 5)) break;   if (!strncasecmp(line->elements[i].item, "root=", 5)) break;
    1409      if (i < line->numElements) {      if (i < line->numElements) {
    # Line 1378  int suitableImage(struct singleEntry * e Line 1421  int suitableImage(struct singleEntry * e
    1421      line = getLineByType(LT_KERNELARGS|LT_MBMODULE, entry->lines);      line = getLineByType(LT_KERNELARGS|LT_MBMODULE, entry->lines);
    1422    
    1423              /* failed to find one */              /* failed to find one */
    1424              if (!line) return 0;              if (!line) {
    1425     notSuitablePrintf(entry, "no line found\n");
    1426     return 0;
    1427                }
    1428    
    1429      for (i = 1; i < line->numElements; i++)      for (i = 1; i < line->numElements; i++)
    1430          if (!strncasecmp(line->elements[i].item, "root=", 5)) break;          if (!strncasecmp(line->elements[i].item, "root=", 5)) break;
    1431      if (i < line->numElements)      if (i < line->numElements)
    1432          dev = line->elements[i].item + 5;          dev = line->elements[i].item + 5;
    1433      else {      else {
    1434     notSuitablePrintf(entry, "no root= entry found\n");
    1435   /* it failed too...  can't find root= */   /* it failed too...  can't find root= */
    1436          return 0;          return 0;
    1437              }              }
    # Line 1392  int suitableImage(struct singleEntry * e Line 1439  int suitableImage(struct singleEntry * e
    1439      }      }
    1440    
    1441      dev = getpathbyspec(dev);      dev = getpathbyspec(dev);
    1442      if (!dev)      if (!getpathbyspec(dev)) {
    1443            notSuitablePrintf(entry, "can't find blkid entry for %s\n", dev);
    1444          return 0;          return 0;
    1445        } else
    1446     dev = getpathbyspec(dev);
    1447    
    1448      rootdev = findDiskForRoot();      rootdev = findDiskForRoot();
    1449      if (!rootdev)      if (!rootdev) {
    1450            notSuitablePrintf(entry, "can't find root device\n");
    1451   return 0;   return 0;
    1452        }
    1453    
    1454      if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) {      if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) {
    1455            notSuitablePrintf(entry, "uuid missing: rootdev %s, dev %s\n",
    1456     getuuidbydev(rootdev), getuuidbydev(dev));
    1457          free(rootdev);          free(rootdev);
    1458          return 0;          return 0;
    1459      }      }
    1460    
    1461      if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) {      if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) {
    1462            notSuitablePrintf(entry, "uuid mismatch: rootdev %s, dev %s\n",
    1463     getuuidbydev(rootdev), getuuidbydev(dev));
    1464   free(rootdev);   free(rootdev);
    1465          return 0;          return 0;
    1466      }      }
    # Line 3193  int main(int argc, const char ** argv) { Line 3249  int main(int argc, const char ** argv) {
    3249        "the kernel referenced by the default image does not exist, "        "the kernel referenced by the default image does not exist, "
    3250        "the first linux entry whose kernel does exist is used as the "        "the first linux entry whose kernel does exist is used as the "
    3251        "template"), NULL },        "template"), NULL },
    3252     { "debug", 0, 0, &debug, 0,
    3253        _("print debugging information for failures") },
    3254   { "default-kernel", 0, 0, &displayDefault, 0,   { "default-kernel", 0, 0, &displayDefault, 0,
    3255      _("display the path of the default kernel") },      _("display the path of the default kernel") },
    3256   { "default-index", 0, 0, &displayDefaultIndex, 0,   { "default-index", 0, 0, &displayDefaultIndex, 0,
    Legend:
    Removed from v.1727  
    changed lines
      Added in v.1736