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    Diff of /tags/grubby-8_32/grubby.c

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    revision 1844 by niro, Mon Jul 2 12:59:07 2012 UTC revision 1934 by niro, Mon Oct 1 12:08:46 2012 UTC
    # Line 164  struct keywordTypes grubKeywords[] = { Line 164  struct keywordTypes grubKeywords[] = {
    164    
    165  const char *grubFindConfig(struct configFileInfo *cfi) {  const char *grubFindConfig(struct configFileInfo *cfi) {
    166      static const char *configFiles[] = {      static const char *configFiles[] = {
      "/etc/grub.conf",  
    167   "/boot/grub/grub.conf",   "/boot/grub/grub.conf",
    168   "/boot/grub/menu.lst",   "/boot/grub/menu.lst",
    169     "/etc/grub.conf",
    170   NULL   NULL
    171      };      };
    172      static int i = -1;      static int i = -1;
    # Line 205  struct keywordTypes grub2Keywords[] = { Line 205  struct keywordTypes grub2Keywords[] = {
    205      { "default",    LT_DEFAULT,     ' ' },      { "default",    LT_DEFAULT,     ' ' },
    206      { "fallback",   LT_FALLBACK,    ' ' },      { "fallback",   LT_FALLBACK,    ' ' },
    207      { "linux",      LT_KERNEL,      ' ' },      { "linux",      LT_KERNEL,      ' ' },
    208        { "linuxefi",   LT_KERNEL,      ' ' },
    209      { "initrd",     LT_INITRD,      ' ', ' ' },      { "initrd",     LT_INITRD,      ' ', ' ' },
    210        { "initrdefi",  LT_INITRD,      ' ', ' ' },
    211      { "module",     LT_MBMODULE,    ' ' },      { "module",     LT_MBMODULE,    ' ' },
    212      { "kernel",     LT_HYPER,       ' ' },      { "kernel",     LT_HYPER,       ' ' },
    213      { NULL, 0, 0 },      { NULL, 0, 0 },
    # Line 243  const char *grub2FindConfig(struct confi Line 245  const char *grub2FindConfig(struct confi
    245  }  }
    246    
    247  int sizeOfSingleLine(struct singleLine * line) {  int sizeOfSingleLine(struct singleLine * line) {
       int i;  
    248    int count = 0;    int count = 0;
    249    
    250    for (i = 0; i < line->numElements; i++) {    for (int i = 0; i < line->numElements; i++) {
    251      int indentSize = 0;      int indentSize = 0;
    252    
    253      count = count + strlen(line->elements[i].item);      count = count + strlen(line->elements[i].item);
    # Line 573  static char * sdupprintf(const char *for Line 574  static char * sdupprintf(const char *for
    574    
    575  static struct keywordTypes * getKeywordByType(enum lineType_e type,  static struct keywordTypes * getKeywordByType(enum lineType_e type,
    576        struct configFileInfo * cfi) {        struct configFileInfo * cfi) {
    577      struct keywordTypes * kw;      for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) {
         for (kw = cfi->keywords; kw->key; kw++) {  
    578   if (kw->type == type)   if (kw->type == type)
    579      return kw;      return kw;
    580      }      }
    # Line 604  static char * getuuidbydev(char *device) Line 604  static char * getuuidbydev(char *device)
    604    
    605  static enum lineType_e getTypeByKeyword(char * keyword,  static enum lineType_e getTypeByKeyword(char * keyword,
    606   struct configFileInfo * cfi) {   struct configFileInfo * cfi) {
    607      struct keywordTypes * kw;      for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) {
         for (kw = cfi->keywords; kw->key; kw++) {  
    608   if (!strcmp(keyword, kw->key))   if (!strcmp(keyword, kw->key))
    609      return kw->type;      return kw->type;
    610      }      }
    # Line 692  static void lineInit(struct singleLine * Line 691  static void lineInit(struct singleLine *
    691  }  }
    692    
    693  struct singleLine * lineDup(struct singleLine * line) {  struct singleLine * lineDup(struct singleLine * line) {
         int i;  
    694      struct singleLine * newLine = malloc(sizeof(*newLine));      struct singleLine * newLine = malloc(sizeof(*newLine));
    695    
    696      newLine->indent = strdup(line->indent);      newLine->indent = strdup(line->indent);
    # Line 702  struct singleLine * lineDup(struct singl Line 700  struct singleLine * lineDup(struct singl
    700      newLine->elements = malloc(sizeof(*newLine->elements) *      newLine->elements = malloc(sizeof(*newLine->elements) *
    701         newLine->numElements);         newLine->numElements);
    702    
    703      for (i = 0; i < newLine->numElements; i++) {      for (int i = 0; i < newLine->numElements; i++) {
    704   newLine->elements[i].indent = strdup(line->elements[i].indent);   newLine->elements[i].indent = strdup(line->elements[i].indent);
    705   newLine->elements[i].item = strdup(line->elements[i].item);   newLine->elements[i].item = strdup(line->elements[i].item);
    706      }      }
    # Line 711  struct singleLine * lineDup(struct singl Line 709  struct singleLine * lineDup(struct singl
    709  }  }
    710    
    711  static void lineFree(struct singleLine * line) {  static void lineFree(struct singleLine * line) {
         int i;  
       
    712      if (line->indent) free(line->indent);      if (line->indent) free(line->indent);
    713    
    714      for (i = 0; i < line->numElements; i++) {      for (int i = 0; i < line->numElements; i++) {
    715   free(line->elements[i].item);   free(line->elements[i].item);
    716   free(line->elements[i].indent);   free(line->elements[i].indent);
    717      }      }
    # Line 726  static void lineFree(struct singleLine * Line 722  static void lineFree(struct singleLine *
    722    
    723  static int lineWrite(FILE * out, struct singleLine * line,  static int lineWrite(FILE * out, struct singleLine * line,
    724       struct configFileInfo * cfi) {       struct configFileInfo * cfi) {
         int i;  
       
    725      if (fprintf(out, "%s", line->indent) == -1) return -1;      if (fprintf(out, "%s", line->indent) == -1) return -1;
    726    
    727      for (i = 0; i < line->numElements; i++) {      for (int i = 0; i < line->numElements; i++) {
    728   /* Need to handle this, because we strip the quotes from   /* Need to handle this, because we strip the quotes from
    729   * menuentry when read it. */   * menuentry when read it. */
    730   if (line->type == LT_MENUENTRY && i == 1) {   if (line->type == LT_MENUENTRY && i == 1) {
    # Line 836  static int getNextLine(char ** bufPtr, s Line 830  static int getNextLine(char ** bufPtr, s
    830      if (*line->elements[0].item == '#') {      if (*line->elements[0].item == '#') {
    831   char * fullLine;   char * fullLine;
    832   int len;   int len;
      int i;  
    833    
    834   len = strlen(line->indent);   len = strlen(line->indent);
    835   for (i = 0; i < line->numElements; i++)   for (int i = 0; i < line->numElements; i++)
    836      len += strlen(line->elements[i].item) +      len += strlen(line->elements[i].item) +
    837     strlen(line->elements[i].indent);     strlen(line->elements[i].indent);
    838    
    # Line 848  static int getNextLine(char ** bufPtr, s Line 841  static int getNextLine(char ** bufPtr, s
    841   free(line->indent);   free(line->indent);
    842   line->indent = fullLine;   line->indent = fullLine;
    843    
    844   for (i = 0; i < line->numElements; i++) {   for (int i = 0; i < line->numElements; i++) {
    845      strcat(fullLine, line->elements[i].item);      strcat(fullLine, line->elements[i].item);
    846      strcat(fullLine, line->elements[i].indent);      strcat(fullLine, line->elements[i].indent);
    847      free(line->elements[i].item);      free(line->elements[i].item);
    # Line 867  static int getNextLine(char ** bufPtr, s Line 860  static int getNextLine(char ** bufPtr, s
    860   * elements up more   * elements up more
    861   */   */
    862   if (!isspace(kw->separatorChar)) {   if (!isspace(kw->separatorChar)) {
         int i;  
    863      char indent[2] = "";      char indent[2] = "";
    864      indent[0] = kw->separatorChar;      indent[0] = kw->separatorChar;
    865      for (i = 1; i < line->numElements; i++) {      for (int i = 1; i < line->numElements; i++) {
    866   char *p;   char *p;
      int j;  
    867   int numNewElements;   int numNewElements;
    868    
    869   numNewElements = 0;   numNewElements = 0;
    # Line 888  static int getNextLine(char ** bufPtr, s Line 879  static int getNextLine(char ** bufPtr, s
    879      sizeof(*line->elements) * elementsAlloced);      sizeof(*line->elements) * elementsAlloced);
    880   }   }
    881    
    882   for (j = line->numElements; j > i; j--) {   for (int j = line->numElements; j > i; j--) {
    883   line->elements[j + numNewElements] = line->elements[j];   line->elements[j + numNewElements] = line->elements[j];
    884   }   }
    885   line->numElements += numNewElements;   line->numElements += numNewElements;
    # Line 926  static struct grubConfig * readConfig(co Line 917  static struct grubConfig * readConfig(co
    917      struct singleLine * last = NULL, * line, * defaultLine = NULL;      struct singleLine * last = NULL, * line, * defaultLine = NULL;
    918      char * end;      char * end;
    919      struct singleEntry * entry = NULL;      struct singleEntry * entry = NULL;
    920      int i, len;      int len;
    921      char * buf;      char * buf;
    922    
    923      if (!strcmp(inName, "-")) {      if (!strcmp(inName, "-")) {
    # Line 989  static struct grubConfig * readConfig(co Line 980  static struct grubConfig * readConfig(co
    980   }   }
    981    
    982   if (line->type == LT_SET_VARIABLE) {   if (line->type == LT_SET_VARIABLE) {
         int i;  
    983      dbgPrintf("found 'set' command (%d elements): ", line->numElements);      dbgPrintf("found 'set' command (%d elements): ", line->numElements);
    984      dbgPrintf("%s", line->indent);      dbgPrintf("%s", line->indent);
    985      for (i = 0; i < line->numElements; i++)      for (int i = 0; i < line->numElements; i++)
    986   dbgPrintf("\"%s\"%s", line->elements[i].item, line->elements[i].indent);   dbgPrintf("\"%s\"%s", line->elements[i].item, line->elements[i].indent);
    987      dbgPrintf("\n");      dbgPrintf("\n");
    988      struct keywordTypes *kwType = getKeywordByType(LT_DEFAULT, cfi);      struct keywordTypes *kwType = getKeywordByType(LT_DEFAULT, cfi);
    # Line 1020  static struct grubConfig * readConfig(co Line 1010  static struct grubConfig * readConfig(co
    1010       * This only applies to grub, but that's the only place we       * This only applies to grub, but that's the only place we
    1011       * should find LT_MBMODULE lines anyway.       * should find LT_MBMODULE lines anyway.
    1012       */       */
    1013      struct singleLine * l;      for (struct singleLine *l = entry->lines; l; l = l->next) {
         for (l = entry->lines; l; l = l->next) {  
    1014   if (l->type == LT_HYPER)   if (l->type == LT_HYPER)
    1015      break;      break;
    1016   else if (l->type == LT_KERNEL) {   else if (l->type == LT_KERNEL) {
    # Line 1041  static struct grubConfig * readConfig(co Line 1030  static struct grubConfig * readConfig(co
    1030   } else if (line->type == LT_TITLE && line->numElements > 1) {   } else if (line->type == LT_TITLE && line->numElements > 1) {
    1031      /* make the title a single argument (undoing our parsing) */      /* make the title a single argument (undoing our parsing) */
    1032      len = 0;      len = 0;
    1033      for (i = 1; i < line->numElements; i++) {      for (int i = 1; i < line->numElements; i++) {
    1034   len += strlen(line->elements[i].item);   len += strlen(line->elements[i].item);
    1035   len += strlen(line->elements[i].indent);   len += strlen(line->elements[i].indent);
    1036      }      }
    1037      buf = malloc(len + 1);      buf = malloc(len + 1);
    1038      *buf = '\0';      *buf = '\0';
    1039    
    1040      for (i = 1; i < line->numElements; i++) {      for (int i = 1; i < line->numElements; i++) {
    1041   strcat(buf, line->elements[i].item);   strcat(buf, line->elements[i].item);
    1042   free(line->elements[i].item);   free(line->elements[i].item);
    1043    
    # Line 1068  static struct grubConfig * readConfig(co Line 1057  static struct grubConfig * readConfig(co
    1057      char *extras;      char *extras;
    1058      char *title;      char *title;
    1059    
    1060      for (i = 1; i < line->numElements; i++) {      for (int i = 1; i < line->numElements; i++) {
    1061   len += strlen(line->elements[i].item);   len += strlen(line->elements[i].item);
    1062   len += strlen(line->elements[i].indent);   len += strlen(line->elements[i].indent);
    1063      }      }
    # Line 1080  static struct grubConfig * readConfig(co Line 1069  static struct grubConfig * readConfig(co
    1069      *extras = '\0';      *extras = '\0';
    1070    
    1071      /* get title. */      /* get title. */
    1072      for (i = 0; i < line->numElements; i++) {      for (int i = 0; i < line->numElements; i++) {
    1073   if (!strcmp(line->elements[i].item, "menuentry"))   if (!strcmp(line->elements[i].item, "menuentry"))
    1074      continue;      continue;
    1075   if (isquote(*line->elements[i].item))   if (isquote(*line->elements[i].item))
    # Line 1100  static struct grubConfig * readConfig(co Line 1089  static struct grubConfig * readConfig(co
    1089    
    1090      /* get extras */      /* get extras */
    1091      int count = 0;      int count = 0;
    1092      for (i = 0; i < line->numElements; i++) {      for (int i = 0; i < line->numElements; i++) {
    1093   if (count >= 2) {   if (count >= 2) {
    1094      strcat(extras, line->elements[i].item);      strcat(extras, line->elements[i].item);
    1095      strcat(extras, line->elements[i].indent);      strcat(extras, line->elements[i].indent);
    # Line 1221  static struct grubConfig * readConfig(co Line 1210  static struct grubConfig * readConfig(co
    1210      cfg->defaultImage = strtol(defaultLine->elements[1].item, &end, 10);      cfg->defaultImage = strtol(defaultLine->elements[1].item, &end, 10);
    1211      if (*end) cfg->defaultImage = -1;      if (*end) cfg->defaultImage = -1;
    1212   } else if (defaultLine->numElements >= 2) {   } else if (defaultLine->numElements >= 2) {
    1213      i = 0;      int i = 0;
    1214      while ((entry = findEntryByIndex(cfg, i))) {      while ((entry = findEntryByIndex(cfg, i))) {
    1215   for (line = entry->lines; line; line = line->next)   for (line = entry->lines; line; line = line->next)
    1216      if (line->type == LT_TITLE) break;      if (line->type == LT_TITLE) break;
    # Line 1323  static int writeConfig(struct grubConfig Line 1312  static int writeConfig(struct grubConfig
    1312    
    1313      /* most likely the symlink is relative, so change our      /* most likely the symlink is relative, so change our
    1314         directory to the dir of the symlink */         directory to the dir of the symlink */
    1315              rc = chdir(dirname(strdupa(outName)));      char *dir = strdupa(outName);
    1316        rc = chdir(dirname(dir));
    1317      do {      do {
    1318   buf = alloca(len + 1);   buf = alloca(len + 1);
    1319   rc = readlink(basename(outName), buf, len);   rc = readlink(basename(outName), buf, len);
    # Line 1880  void markRemovedImage(struct grubConfig Line 1870  void markRemovedImage(struct grubConfig
    1870    
    1871  void setDefaultImage(struct grubConfig * config, int hasNew,  void setDefaultImage(struct grubConfig * config, int hasNew,
    1872       const char * defaultKernelPath, int newIsDefault,       const char * defaultKernelPath, int newIsDefault,
    1873       const char * prefix, int flags) {       const char * prefix, int flags, int index) {
    1874      struct singleEntry * entry, * entry2, * newDefault;      struct singleEntry * entry, * entry2, * newDefault;
    1875      int i, j;      int i, j;
    1876    
    1877      if (newIsDefault) {      if (newIsDefault) {
    1878   config->defaultImage = 0;   config->defaultImage = 0;
    1879   return;   return;
    1880        } else if ((index >= 0) && config->cfi->defaultIsIndex) {
    1881     if (findEntryByIndex(config, index))
    1882        config->defaultImage = index;
    1883     else
    1884        config->defaultImage = -1;
    1885     return;
    1886      } else if (defaultKernelPath) {      } else if (defaultKernelPath) {
    1887   i = 0;   i = 0;
    1888   if (findEntryByPath(config, defaultKernelPath, prefix, &i)) {   if (findEntryByPath(config, defaultKernelPath, prefix, &i)) {
    # Line 1967  void displayEntry(struct singleEntry * e Line 1963  void displayEntry(struct singleEntry * e
    1963          return;          return;
    1964      }      }
    1965    
    1966      printf("kernel=%s%s\n", prefix, line->elements[1].item);      if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))
    1967     printf("kernel=%s\n", line->elements[1].item);
    1968        else
    1969     printf("kernel=%s%s\n", prefix, line->elements[1].item);
    1970    
    1971      if (line->numElements >= 3) {      if (line->numElements >= 3) {
    1972   printf("args=\"");   printf("args=\"");
    # Line 2026  void displayEntry(struct singleEntry * e Line 2025  void displayEntry(struct singleEntry * e
    2025      line = getLineByType(LT_INITRD, entry->lines);      line = getLineByType(LT_INITRD, entry->lines);
    2026    
    2027      if (line && line->numElements >= 2) {      if (line && line->numElements >= 2) {
    2028   printf("initrd=%s", prefix);   if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))
    2029        printf("initrd=");
    2030     else
    2031        printf("initrd=%s", prefix);
    2032    
    2033   for (i = 1; i < line->numElements; i++)   for (i = 1; i < line->numElements; i++)
    2034      printf("%s%s", line->elements[i].item, line->elements[i].indent);      printf("%s%s", line->elements[i].item, line->elements[i].indent);
    2035   printf("\n");   printf("\n");
    # Line 2044  void displayEntry(struct singleEntry * e Line 2047  void displayEntry(struct singleEntry * e
    2047      }      }
    2048  }  }
    2049    
    2050    int isSuseSystem(void) {
    2051        const char * path;
    2052        const static char default_path[] = "/etc/SuSE-release";
    2053    
    2054        if ((path = getenv("GRUBBY_SUSE_RELEASE")) == NULL)
    2055     path = default_path;
    2056    
    2057        if (!access(path, R_OK))
    2058     return 1;
    2059        return 0;
    2060    }
    2061    
    2062    int isSuseGrubConf(const char * path) {
    2063        FILE * grubConf;
    2064        char * line = NULL;
    2065        size_t len = 0, res = 0;
    2066    
    2067        grubConf = fopen(path, "r");
    2068        if (!grubConf) {
    2069            dbgPrintf("Could not open SuSE configuration file '%s'\n", path);
    2070     return 0;
    2071        }
    2072    
    2073        while ((res = getline(&line, &len, grubConf)) != -1) {
    2074     if (!strncmp(line, "setup", 5)) {
    2075        fclose(grubConf);
    2076        free(line);
    2077        return 1;
    2078     }
    2079        }
    2080    
    2081        dbgPrintf("SuSE configuration file '%s' does not appear to be valid\n",
    2082          path);
    2083    
    2084        fclose(grubConf);
    2085        free(line);
    2086        return 0;
    2087    }
    2088    
    2089    int suseGrubConfGetLba(const char * path, int * lbaPtr) {
    2090        FILE * grubConf;
    2091        char * line = NULL;
    2092        size_t res = 0, len = 0;
    2093    
    2094        if (!path) return 1;
    2095        if (!lbaPtr) return 1;
    2096    
    2097        grubConf = fopen(path, "r");
    2098        if (!grubConf) return 1;
    2099    
    2100        while ((res = getline(&line, &len, grubConf)) != -1) {
    2101     if (line[res - 1] == '\n')
    2102        line[res - 1] = '\0';
    2103     else if (len > res)
    2104        line[res] = '\0';
    2105     else {
    2106        line = realloc(line, res + 1);
    2107        line[res] = '\0';
    2108     }
    2109    
    2110     if (!strncmp(line, "setup", 5)) {
    2111        if (strstr(line, "--force-lba")) {
    2112            *lbaPtr = 1;
    2113        } else {
    2114            *lbaPtr = 0;
    2115        }
    2116        dbgPrintf("lba: %i\n", *lbaPtr);
    2117        break;
    2118     }
    2119        }
    2120    
    2121        free(line);
    2122        fclose(grubConf);
    2123        return 0;
    2124    }
    2125    
    2126    int suseGrubConfGetInstallDevice(const char * path, char ** devicePtr) {
    2127        FILE * grubConf;
    2128        char * line = NULL;
    2129        size_t res = 0, len = 0;
    2130        char * lastParamPtr = NULL;
    2131        char * secLastParamPtr = NULL;
    2132        char installDeviceNumber = '\0';
    2133        char * bounds = NULL;
    2134    
    2135        if (!path) return 1;
    2136        if (!devicePtr) return 1;
    2137    
    2138        grubConf = fopen(path, "r");
    2139        if (!grubConf) return 1;
    2140    
    2141        while ((res = getline(&line, &len, grubConf)) != -1) {
    2142     if (strncmp(line, "setup", 5))
    2143        continue;
    2144    
    2145     if (line[res - 1] == '\n')
    2146        line[res - 1] = '\0';
    2147     else if (len > res)
    2148        line[res] = '\0';
    2149     else {
    2150        line = realloc(line, res + 1);
    2151        line[res] = '\0';
    2152     }
    2153    
    2154     lastParamPtr = bounds = line + res;
    2155    
    2156     /* Last parameter in grub may be an optional IMAGE_DEVICE */
    2157     while (!isspace(*lastParamPtr))
    2158        lastParamPtr--;
    2159     lastParamPtr++;
    2160    
    2161     secLastParamPtr = lastParamPtr - 2;
    2162     dbgPrintf("lastParamPtr: %s\n", lastParamPtr);
    2163    
    2164     if (lastParamPtr + 3 > bounds) {
    2165        dbgPrintf("lastParamPtr going over boundary");
    2166        fclose(grubConf);
    2167        free(line);
    2168        return 1;
    2169     }
    2170     if (!strncmp(lastParamPtr, "(hd", 3))
    2171        lastParamPtr += 3;
    2172     dbgPrintf("lastParamPtr: %c\n", *lastParamPtr);
    2173    
    2174     /*
    2175     * Second last parameter will decide wether last parameter is
    2176     * an IMAGE_DEVICE or INSTALL_DEVICE
    2177     */
    2178     while (!isspace(*secLastParamPtr))
    2179        secLastParamPtr--;
    2180     secLastParamPtr++;
    2181    
    2182     if (secLastParamPtr + 3 > bounds) {
    2183        dbgPrintf("secLastParamPtr going over boundary");
    2184        fclose(grubConf);
    2185        free(line);
    2186        return 1;
    2187     }
    2188     dbgPrintf("secLastParamPtr: %s\n", secLastParamPtr);
    2189     if (!strncmp(secLastParamPtr, "(hd", 3)) {
    2190        secLastParamPtr += 3;
    2191        dbgPrintf("secLastParamPtr: %c\n", *secLastParamPtr);
    2192        installDeviceNumber = *secLastParamPtr;
    2193     } else {
    2194        installDeviceNumber = *lastParamPtr;
    2195     }
    2196    
    2197     *devicePtr = malloc(6);
    2198     snprintf(*devicePtr, 6, "(hd%c)", installDeviceNumber);
    2199     dbgPrintf("installDeviceNumber: %c\n", installDeviceNumber);
    2200     fclose(grubConf);
    2201     free(line);
    2202     return 0;
    2203        }
    2204    
    2205        free(line);
    2206        fclose(grubConf);
    2207        return 1;
    2208    }
    2209    
    2210    int grubGetBootFromDeviceMap(const char * device,
    2211         char ** bootPtr) {
    2212        FILE * deviceMap;
    2213        char * line = NULL;
    2214        size_t res = 0, len = 0;
    2215        char * devicePtr;
    2216        char * bounds = NULL;
    2217        const char * path;
    2218        const static char default_path[] = "/boot/grub/device.map";
    2219    
    2220        if (!device) return 1;
    2221        if (!bootPtr) return 1;
    2222    
    2223        if ((path = getenv("GRUBBY_GRUB_DEVICE_MAP")) == NULL)
    2224     path = default_path;
    2225    
    2226        dbgPrintf("opening grub device.map file from: %s\n", path);
    2227        deviceMap = fopen(path, "r");
    2228        if (!deviceMap)
    2229     return 1;
    2230    
    2231        while ((res = getline(&line, &len, deviceMap)) != -1) {
    2232            if (!strncmp(line, "#", 1))
    2233        continue;
    2234    
    2235     if (line[res - 1] == '\n')
    2236        line[res - 1] = '\0';
    2237     else if (len > res)
    2238        line[res] = '\0';
    2239     else {
    2240        line = realloc(line, res + 1);
    2241        line[res] = '\0';
    2242     }
    2243    
    2244     devicePtr = line;
    2245     bounds = line + res;
    2246    
    2247     while ((isspace(*line) && ((devicePtr + 1) <= bounds)))
    2248        devicePtr++;
    2249     dbgPrintf("device: %s\n", devicePtr);
    2250    
    2251     if (!strncmp(devicePtr, device, strlen(device))) {
    2252        devicePtr += strlen(device);
    2253        while (isspace(*devicePtr) && ((devicePtr + 1) <= bounds))
    2254            devicePtr++;
    2255    
    2256        *bootPtr = strdup(devicePtr);
    2257        break;
    2258     }
    2259        }
    2260    
    2261        free(line);
    2262        fclose(deviceMap);
    2263        return 0;
    2264    }
    2265    
    2266    int suseGrubConfGetBoot(const char * path, char ** bootPtr) {
    2267        char * grubDevice;
    2268    
    2269        if (suseGrubConfGetInstallDevice(path, &grubDevice))
    2270     dbgPrintf("error looking for grub installation device\n");
    2271        else
    2272     dbgPrintf("grubby installation device: %s\n", grubDevice);
    2273    
    2274        if (grubGetBootFromDeviceMap(grubDevice, bootPtr))
    2275     dbgPrintf("error looking for grub boot device\n");
    2276        else
    2277     dbgPrintf("grubby boot device: %s\n", *bootPtr);
    2278    
    2279        free(grubDevice);
    2280        return 0;
    2281    }
    2282    
    2283    int parseSuseGrubConf(int * lbaPtr, char ** bootPtr) {
    2284        /*
    2285         * This SuSE grub configuration file at this location is not your average
    2286         * grub configuration file, but instead the grub commands used to setup
    2287         * grub on that system.
    2288         */
    2289        const char * path;
    2290        const static char default_path[] = "/etc/grub.conf";
    2291    
    2292        if ((path = getenv("GRUBBY_SUSE_GRUB_CONF")) == NULL)
    2293     path = default_path;
    2294    
    2295        if (!isSuseGrubConf(path)) return 1;
    2296    
    2297        if (lbaPtr) {
    2298            *lbaPtr = 0;
    2299            if (suseGrubConfGetLba(path, lbaPtr))
    2300                return 1;
    2301        }
    2302    
    2303        if (bootPtr) {
    2304            *bootPtr = NULL;
    2305            suseGrubConfGetBoot(path, bootPtr);
    2306        }
    2307    
    2308        return 0;
    2309    }
    2310    
    2311  int parseSysconfigGrub(int * lbaPtr, char ** bootPtr) {  int parseSysconfigGrub(int * lbaPtr, char ** bootPtr) {
    2312      FILE * in;      FILE * in;
    2313      char buf[1024];      char buf[1024];
    # Line 2092  int parseSysconfigGrub(int * lbaPtr, cha Line 2356  int parseSysconfigGrub(int * lbaPtr, cha
    2356  }  }
    2357    
    2358  void dumpSysconfigGrub(void) {  void dumpSysconfigGrub(void) {
    2359      char * boot;      char * boot = NULL;
    2360      int lba;      int lba;
    2361    
    2362      if (!parseSysconfigGrub(&lba, &boot)) {      if (isSuseSystem()) {
    2363   if (lba) printf("lba\n");          if (parseSuseGrubConf(&lba, &boot)) {
    2364   if (boot) printf("boot=%s\n", boot);      free(boot);
    2365        return;
    2366     }
    2367        } else {
    2368            if (parseSysconfigGrub(&lba, &boot)) {
    2369        free(boot);
    2370        return;
    2371     }
    2372        }
    2373    
    2374        if (lba) printf("lba\n");
    2375        if (boot) {
    2376     printf("boot=%s\n", boot);
    2377     free(boot);
    2378      }      }
    2379  }  }
    2380    
    # Line 2911  int checkForGrub(struct grubConfig * con Line 3188  int checkForGrub(struct grubConfig * con
    3188      int fd;      int fd;
    3189      unsigned char bootSect[512];      unsigned char bootSect[512];
    3190      char * boot;      char * boot;
    3191        int onSuse = isSuseSystem();
    3192    
    3193      if (parseSysconfigGrub(NULL, &boot))  
    3194   return 0;      if (onSuse) {
    3195     if (parseSuseGrubConf(NULL, &boot))
    3196        return 0;
    3197        } else {
    3198     if (parseSysconfigGrub(NULL, &boot))
    3199        return 0;
    3200        }
    3201    
    3202      /* assume grub is not installed -- not an error condition */      /* assume grub is not installed -- not an error condition */
    3203      if (!boot)      if (!boot)
    # Line 2932  int checkForGrub(struct grubConfig * con Line 3216  int checkForGrub(struct grubConfig * con
    3216      }      }
    3217      close(fd);      close(fd);
    3218    
    3219        /* The more elaborate checks do not work on SuSE. The checks done
    3220         * seem to be reasonble (at least for now), so just return success
    3221         */
    3222        if (onSuse)
    3223     return 2;
    3224    
    3225      return checkDeviceBootloader(boot, bootSect);      return checkDeviceBootloader(boot, bootSect);
    3226  }  }
    3227    
    # Line 2965  int checkForExtLinux(struct grubConfig * Line 3255  int checkForExtLinux(struct grubConfig *
    3255      return checkDeviceBootloader(boot, bootSect);      return checkDeviceBootloader(boot, bootSect);
    3256  }  }
    3257    
    3258    int checkForYaboot(struct grubConfig * config) {
    3259        /*
    3260         * This is a simplistic check that we consider good enough for own puporses
    3261         *
    3262         * If we were to properly check if yaboot is *installed* we'd need to:
    3263         * 1) get the system boot device (LT_BOOT)
    3264         * 2) considering it's a raw filesystem, check if the yaboot binary matches
    3265         *    the content on the boot device
    3266         * 3) if not, copy the binary to a temporary file and run "addnote" on it
    3267         * 4) check again if binary and boot device contents match
    3268         */
    3269        if (!access("/etc/yaboot.conf", R_OK))
    3270     return 2;
    3271    
    3272        return 1;
    3273    }
    3274    
    3275    int checkForElilo(struct grubConfig * config) {
    3276        if (!access("/etc/elilo.conf", R_OK))
    3277     return 2;
    3278    
    3279        return 1;
    3280    }
    3281    
    3282  static char * getRootSpecifier(char * str) {  static char * getRootSpecifier(char * str) {
    3283      char * idx, * rootspec = NULL;      char * idx, * rootspec = NULL;
    3284    
    # Line 3435  int main(int argc, const char ** argv) { Line 3749  int main(int argc, const char ** argv) {
    3749      int displayDefault = 0;      int displayDefault = 0;
    3750      int displayDefaultIndex = 0;      int displayDefaultIndex = 0;
    3751      int displayDefaultTitle = 0;      int displayDefaultTitle = 0;
    3752        int defaultIndex = -1;
    3753      struct poptOption options[] = {      struct poptOption options[] = {
    3754   { "add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0,   { "add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0,
    3755      _("add an entry for the specified kernel"), _("kernel-path") },      _("add an entry for the specified kernel"), _("kernel-path") },
    # Line 3452  int main(int argc, const char ** argv) { Line 3767  int main(int argc, const char ** argv) {
    3767   { "boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0,   { "boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0,
    3768      _("filestystem which contains /boot directory (for testing only)"),      _("filestystem which contains /boot directory (for testing only)"),
    3769      _("bootfs") },      _("bootfs") },
    3770  #if defined(__i386__) || defined(__x86_64__)  #if defined(__i386__) || defined(__x86_64__) || defined (__powerpc64__) || defined (__ia64__)
    3771   { "bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0,   { "bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0,
    3772      _("check if lilo is installed on lilo.conf boot sector") },      _("check which bootloader is installed on boot sector") },
    3773  #endif  #endif
    3774   { "config-file", 'c', POPT_ARG_STRING, &grubConfig, 0,   { "config-file", 'c', POPT_ARG_STRING, &grubConfig, 0,
    3775      _("path to grub config file to update (\"-\" for stdin)"),      _("path to grub config file to update (\"-\" for stdin)"),
    # Line 3507  int main(int argc, const char ** argv) { Line 3822  int main(int argc, const char ** argv) {
    3822   { "set-default", 0, POPT_ARG_STRING, &defaultKernel, 0,   { "set-default", 0, POPT_ARG_STRING, &defaultKernel, 0,
    3823      _("make the first entry referencing the specified kernel "      _("make the first entry referencing the specified kernel "
    3824        "the default"), _("kernel-path") },        "the default"), _("kernel-path") },
    3825     { "set-default-index", 0, POPT_ARG_INT, &defaultIndex, 0,
    3826        _("make the given entry index the default entry"),
    3827        _("entry-index") },
    3828   { "silo", 0, POPT_ARG_NONE, &configureSilo, 0,   { "silo", 0, POPT_ARG_NONE, &configureSilo, 0,
    3829      _("configure silo bootloader") },      _("configure silo bootloader") },
    3830   { "title", 0, POPT_ARG_STRING, &newKernelTitle, 0,   { "title", 0, POPT_ARG_STRING, &newKernelTitle, 0,
    # Line 3615  int main(int argc, const char ** argv) { Line 3933  int main(int argc, const char ** argv) {
    3933      }      }
    3934    
    3935      if (bootloaderProbe && (displayDefault || kernelInfo || newKernelVersion ||      if (bootloaderProbe && (displayDefault || kernelInfo || newKernelVersion ||
    3936    newKernelPath || removeKernelPath || makeDefault ||      newKernelPath || removeKernelPath || makeDefault ||
    3937    defaultKernel || displayDefaultIndex || displayDefaultTitle)) {      defaultKernel || displayDefaultIndex || displayDefaultTitle ||
    3938        (defaultIndex >= 0))) {
    3939   fprintf(stderr, _("grubby: --bootloader-probe may not be used with "   fprintf(stderr, _("grubby: --bootloader-probe may not be used with "
    3940    "specified option"));    "specified option"));
    3941   return 1;   return 1;
    # Line 3658  int main(int argc, const char ** argv) { Line 3977  int main(int argc, const char ** argv) {
    3977   makeDefault = 1;   makeDefault = 1;
    3978   defaultKernel = NULL;   defaultKernel = NULL;
    3979      }      }
    3980        else if (defaultKernel && (defaultIndex >= 0)) {
    3981     fprintf(stderr, _("grubby: --set-default and --set-default-index "
    3982      "may not be used together\n"));
    3983     return 1;
    3984        }
    3985    
    3986      if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) {      if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) {
    3987   fprintf(stderr, _("grubby: output file must be specified if stdin "   fprintf(stderr, _("grubby: output file must be specified if stdin "
    # Line 3666  int main(int argc, const char ** argv) { Line 3990  int main(int argc, const char ** argv) {
    3990      }      }
    3991    
    3992      if (!removeKernelPath && !newKernelPath && !displayDefault && !defaultKernel      if (!removeKernelPath && !newKernelPath && !displayDefault && !defaultKernel
    3993   && !kernelInfo && !bootloaderProbe && !updateKernelPath   && !kernelInfo && !bootloaderProbe && !updateKernelPath
    3994          && !removeMBKernel && !displayDefaultIndex && !displayDefaultTitle) {   && !removeMBKernel && !displayDefaultIndex && !displayDefaultTitle
    3995     && (defaultIndex == -1)) {
    3996   fprintf(stderr, _("grubby: no action specified\n"));   fprintf(stderr, _("grubby: no action specified\n"));
    3997   return 1;   return 1;
    3998      }      }
    # Line 3694  int main(int argc, const char ** argv) { Line 4019  int main(int argc, const char ** argv) {
    4019      }      }
    4020    
    4021      if (bootloaderProbe) {      if (bootloaderProbe) {
    4022   int lrc = 0, grc = 0, gr2c = 0, erc = 0;   int lrc = 0, grc = 0, gr2c = 0, extrc = 0, yrc = 0, erc = 0;
    4023   struct grubConfig * lconfig, * gconfig;   struct grubConfig * lconfig, * gconfig, * yconfig, * econfig;
    4024    
    4025   const char *grub2config = grub2FindConfig(&grub2ConfigType);   const char *grub2config = grub2FindConfig(&grub2ConfigType);
    4026   if (grub2config) {   if (grub2config) {
    # Line 3723  int main(int argc, const char ** argv) { Line 4048  int main(int argc, const char ** argv) {
    4048   lrc = checkForLilo(lconfig);   lrc = checkForLilo(lconfig);
    4049   }   }
    4050    
    4051     if (!access(eliloConfigType.defaultConfig, F_OK)) {
    4052        econfig = readConfig(eliloConfigType.defaultConfig,
    4053     &eliloConfigType);
    4054        if (!econfig)
    4055     erc = 1;
    4056        else
    4057     erc = checkForElilo(econfig);
    4058     }
    4059    
    4060   if (!access(extlinuxConfigType.defaultConfig, F_OK)) {   if (!access(extlinuxConfigType.defaultConfig, F_OK)) {
    4061      lconfig = readConfig(extlinuxConfigType.defaultConfig, &extlinuxConfigType);      lconfig = readConfig(extlinuxConfigType.defaultConfig, &extlinuxConfigType);
    4062      if (!lconfig)      if (!lconfig)
    4063   erc = 1;   extrc = 1;
    4064      else      else
    4065   erc = checkForExtLinux(lconfig);   extrc = checkForExtLinux(lconfig);
    4066   }   }
    4067    
    4068   if (lrc == 1 || grc == 1 || gr2c == 1) return 1;  
    4069     if (!access(yabootConfigType.defaultConfig, F_OK)) {
    4070        yconfig = readConfig(yabootConfigType.defaultConfig,
    4071     &yabootConfigType);
    4072        if (!yconfig)
    4073     yrc = 1;
    4074        else
    4075     yrc = checkForYaboot(yconfig);
    4076     }
    4077    
    4078     if (lrc == 1 || grc == 1 || gr2c == 1 || extrc == 1 || yrc == 1 ||
    4079     erc == 1)
    4080        return 1;
    4081    
    4082   if (lrc == 2) printf("lilo\n");   if (lrc == 2) printf("lilo\n");
    4083   if (gr2c == 2) printf("grub2\n");   if (gr2c == 2) printf("grub2\n");
    4084   if (grc == 2) printf("grub\n");   if (grc == 2) printf("grub\n");
    4085   if (erc == 2) printf("extlinux\n");   if (extrc == 2) printf("extlinux\n");
    4086     if (yrc == 2) printf("yaboot\n");
    4087     if (erc == 2) printf("elilo\n");
    4088    
    4089   return 0;   return 0;
    4090      }      }
    # Line 3803  int main(int argc, const char ** argv) { Line 4151  int main(int argc, const char ** argv) {
    4151      markRemovedImage(config, removeKernelPath, bootPrefix);      markRemovedImage(config, removeKernelPath, bootPrefix);
    4152      markRemovedImage(config, removeMBKernel, bootPrefix);      markRemovedImage(config, removeMBKernel, bootPrefix);
    4153      setDefaultImage(config, newKernelPath != NULL, defaultKernel, makeDefault,      setDefaultImage(config, newKernelPath != NULL, defaultKernel, makeDefault,
    4154      bootPrefix, flags);      bootPrefix, flags, defaultIndex);
    4155      setFallbackImage(config, newKernelPath != NULL);      setFallbackImage(config, newKernelPath != NULL);
    4156      if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs,      if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs,
    4157                      removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1;                      removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1;
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