--- trunk/grubby/grubby.c 2012/02/18 01:06:20 1746 +++ trunk/grubby/grubby.c 2012/07/02 12:46:11 1837 @@ -114,6 +114,7 @@ #define MAIN_DEFAULT (1 << 0) #define DEFAULT_SAVED -2 +#define DEFAULT_SAVED_GRUB2 -3 struct keywordTypes { char * key; @@ -264,6 +265,13 @@ return count; } +static int isquote(char q) +{ + if (q == '\'' || q == '\"') + return 1; + return 0; +} + char *grub2ExtractTitle(struct singleLine * line) { char * current; char * current_indent; @@ -280,55 +288,50 @@ current_len = strlen(current); /* if second word is quoted, strip the quotes and return single word */ - if ((*current == '\'') && (*(current + current_len - 1) == '\'')) { - char *tmp; - - tmp = strdup(current); - *(tmp + current_len - 1) = '\0'; - return ++tmp; + 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 (*current != '\'') { - return current; - } + 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) */ - if (*current == '\'') { - int resultMaxSize; - char * result; - - resultMaxSize = sizeOfSingleLine(line); - result = malloc(resultMaxSize); - snprintf(result, resultMaxSize, "%s", ++current); - - i++; - for (; i < line->numElements; ++i) { + int resultMaxSize; + char * result; + + resultMaxSize = sizeOfSingleLine(line); + result = malloc(resultMaxSize); + snprintf(result, resultMaxSize, "%s", ++current); + + i++; + for (; i < line->numElements; ++i) { current = line->elements[i].item; current_len = strlen(current); current_indent = line->elements[i].indent; current_indent_len = strlen(current_indent); strncat(result, current_indent, current_indent_len); - if (*(current + current_len - 1) != '\'') { - strncat(result, current, current_len); + if (!isquote(current[current_len-1])) { + strncat(result, current, current_len); } else { - strncat(result, current, current_len - 1); - break; + strncat(result, current, current_len - 1); + break; } - } - return result; } - - return NULL; + return result; } struct configFileInfo grub2ConfigType = { .findConfig = grub2FindConfig, .keywords = grub2Keywords, .defaultIsIndex = 1, - .defaultSupportSaved = 0, + .defaultSupportSaved = 1, .defaultIsVariable = 1, .entryStart = LT_MENUENTRY, .entryEnd = LT_ENTRY_END, @@ -728,6 +731,18 @@ if (fprintf(out, "%s", line->indent) == -1) return -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(out, "\'%s\'", line->elements[i].item); + else + fprintf(out, "%s", line->elements[i].item); + fprintf(out, "%s", line->elements[i].indent); + + continue; + } + if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes) if (fputc('"', out) == EOF) return -1; @@ -1049,7 +1064,71 @@ 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; + + len = strlen(title); + if (isquote(title[len-1])) { + strncat(buf, title,len-1); + break; + } else { + strcat(buf, title); + strcat(buf, line->elements[i].indent); + } + } + /* 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 @@ -1058,13 +1137,13 @@ if (line->numElements >= 2) { int last, len; - if (*line->elements[1].item == '"') + 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 (line->elements[last].item[len] == '"') + if (isquote(line->elements[last].item[len])) line->elements[last].item[len] = '\0'; } } @@ -1123,7 +1202,11 @@ dbgPrintf("defaultLine is %s\n", defaultLine ? "set" : "unset"); if (defaultLine) { - if (cfi->defaultIsVariable) { + if (defaultLine->numElements > 2 && + cfi->defaultSupportSaved && + !strncmp(defaultLine->elements[2].item,"\"${saved_entry}\"", 16)) { + cfg->defaultImage = DEFAULT_SAVED_GRUB2; + } else if (cfi->defaultIsVariable) { char *value = defaultLine->elements[2].item; while (*value && (*value == '"' || *value == '\'' || *value == ' ' || *value == '\t')) @@ -1180,6 +1263,8 @@ if (cfg->defaultImage == DEFAULT_SAVED) fprintf(out, "%sdefault%ssaved\n", indent, separator); + else if (cfg->defaultImage == DEFAULT_SAVED_GRUB2) + fprintf(out, "%sset default=\"${saved_entry}\"\n", indent); else if (cfg->defaultImage > -1) { if (cfg->cfi->defaultIsIndex) { if (cfg->cfi->defaultIsVariable) { @@ -1430,7 +1515,19 @@ for (line = entry->lines; line; line = line->next) { fprintf(stderr, "DBG: %s", line->indent); for (i = 0; i < line->numElements; i++) { - fprintf(stderr, "%s%s", + /* 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"); @@ -1457,7 +1554,7 @@ { int slen; - if (!s && !s[0]) + if (!s || !s[0]) return 0; slen = strlen(s) - 1; @@ -1646,7 +1743,7 @@ if (!strncmp(kernel, "TITLE=", 6)) { prefix = ""; - checkType = LT_TITLE; + checkType = LT_TITLE|LT_MENUENTRY; kernel += 6; } @@ -1662,13 +1759,17 @@ checkType, line); if (!line) break; /* not found in this entry */ - if (line && line->numElements >= 2) { + if (line && line->type != LT_MENUENTRY && + line->numElements >= 2) { rootspec = getRootSpecifier(line->elements[1].item); if (!strcmp(line->elements[1].item + ((rootspec != NULL) ? strlen(rootspec) : 0), kernel + strlen(prefix))) break; } + if(line->type == LT_MENUENTRY && + !strcmp(line->elements[1].item, kernel)) + break; } /* make sure this entry has a kernel identifier; this skips @@ -1760,7 +1861,16 @@ const char * prefix) { struct singleEntry * entry; - if (!image) return; + if (!image) + return; + + /* check and see if we're removing the default image */ + if (isdigit(*image)) { + entry = findEntryByPath(cfg, image, prefix, NULL); + if(entry) + entry->skip = 1; + return; + } while ((entry = findEntryByPath(cfg, image, prefix, NULL))) entry->skip = 1; @@ -1787,7 +1897,8 @@ /* defaultImage now points to what we'd like to use, but before any order changes */ - if (config->defaultImage == DEFAULT_SAVED) + if ((config->defaultImage == DEFAULT_SAVED) || + (config->defaultImage == DEFAULT_SAVED_GRUB2)) /* default is set to saved, we don't want to change it */ return; @@ -1854,7 +1965,7 @@ return; } - printf("kernel=%s\n", line->elements[1].item); + printf("kernel=%s%s\n", prefix, line->elements[1].item); if (line->numElements >= 3) { printf("args=\""); @@ -1918,6 +2029,17 @@ 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) { @@ -2172,13 +2294,6 @@ free(line); } -static int isquote(char q) -{ - if (q == '\'' || q == '\"') - return 1; - return 0; -} - static void requote(struct singleLine *tmplLine, struct configFileInfo * cfi) { struct singleLine newLine = { @@ -3472,20 +3587,20 @@ } if (!cfi) { + if (grub2FindConfig(&grub2ConfigType)) + cfi = &grub2ConfigType; + else #ifdef __ia64__ - cfi = &eliloConfigType; + cfi = &eliloConfigType; #elif __powerpc__ - cfi = &yabootConfigType; + cfi = &yabootConfigType; #elif __sparc__ - cfi = &siloConfigType; + cfi = &siloConfigType; #elif __s390__ - cfi = &ziplConfigType; + cfi = &ziplConfigType; #elif __s390x__ - cfi = &ziplConfigtype; + cfi = &ziplConfigtype; #else - if (grub2FindConfig(&grub2ConfigType)) - cfi = &grub2ConfigType; - else cfi = &grubConfigType; #endif }