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

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	trunk/mkinitrd-magellan/grubby/grubby.c revision 926 by niro, Wed Oct 28 13:29:38 2009 UTC	trunk/grubby/grubby.c revision 1868 by niro, Mon Jul 2 13:22:30 2012 UTC
#	Line 36	Line 36
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)
#	Line 44	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 */
54	#define CODE_SEG_SIZE  128 /* code segment checked by --bootloader-probe */	#define CODE_SEG_SIZE  128 /* code segment checked by --bootloader-probe */
55
56		#define NOOP_OPCODE 0x90
57		#define JMP_SHORT_OPCODE 0xeb
58
59	/* comments get lumped in with indention */	/* comments get lumped in with indention */
60	struct lineElement {	struct lineElement {
61	char * item;	char * item;
#	Line 56  struct lineElement {	Line 63  struct lineElement {
63	};	};
64
65	enum lineType_e {	enum lineType_e {
66	LT_WHITESPACE = 1 << 0,	LT_WHITESPACE   = 1 << 0,
67	LT_TITLE      = 1 << 1,	LT_TITLE        = 1 << 1,
68	LT_KERNEL     = 1 << 2,	LT_KERNEL       = 1 << 2,
69	LT_INITRD     = 1 << 3,	LT_INITRD       = 1 << 3,
70	LT_HYPER      = 1 << 4,	LT_HYPER        = 1 << 4,
71	LT_DEFAULT    = 1 << 5,	LT_DEFAULT      = 1 << 5,
72	LT_MBMODULE   = 1 << 6,	LT_MBMODULE     = 1 << 6,
73	LT_ROOT       = 1 << 7,	LT_ROOT         = 1 << 7,
74	LT_FALLBACK   = 1 << 8,	LT_FALLBACK     = 1 << 8,
75	LT_KERNELARGS = 1 << 9,	LT_KERNELARGS   = 1 << 9,
76	LT_BOOT       = 1 << 10,	LT_BOOT         = 1 << 10,
77	LT_BOOTROOT   = 1 << 11,	LT_BOOTROOT     = 1 << 11,
78	LT_LBA        = 1 << 12,	LT_LBA          = 1 << 12,
79	LT_OTHER      = 1 << 13,	LT_OTHER        = 1 << 13,
80	LT_GENERIC    = 1 << 14,	LT_GENERIC      = 1 << 14,
81	LT_UNKNOWN    = 1 << 15,	LT_ECHO    = 1 << 16,
82		LT_MENUENTRY    = 1 << 17,
83		LT_ENTRY_END    = 1 << 18,
84		LT_SET_VARIABLE = 1 << 19,
85		LT_UNKNOWN      = 1 << 20,
86	};	};
87
88	struct singleLine {	struct singleLine {
#	Line 99  struct singleEntry {	Line 110  struct singleEntry {
110	#define NEED_TITLE   (1 << 2)	#define NEED_TITLE   (1 << 2)
111	#define NEED_ARGS    (1 << 3)	#define NEED_ARGS    (1 << 3)
112	#define NEED_MB      (1 << 4)	#define NEED_MB      (1 << 4)
113		#define NEED_END     (1 << 5)
114
115	#define MAIN_DEFAULT    (1 << 0)	#define MAIN_DEFAULT    (1 << 0)
116	#define DEFAULT_SAVED       -2	#define DEFAULT_SAVED       -2
117		#define DEFAULT_SAVED_GRUB2 -3
118
119	struct keywordTypes {	struct keywordTypes {
120	char * key;	char * key;
#	Line 110  struct keywordTypes {	Line 123  struct keywordTypes {
123	char separatorChar;	char separatorChar;
124	};	};
125
126		struct configFileInfo;
127
128		typedef const char *(*findConfigFunc)(struct configFileInfo *);
129		typedef const int (*writeLineFunc)(struct configFileInfo *,
130		struct singleLine *line);
131
132	struct configFileInfo {	struct configFileInfo {
133	char * defaultConfig;	char * defaultConfig;
134		findConfigFunc findConfig;
135		writeLineFunc writeLine;
136	struct keywordTypes * keywords;	struct keywordTypes * keywords;
137	int defaultIsIndex;	int defaultIsIndex;
138		int defaultIsVariable;
139	int defaultSupportSaved;	int defaultSupportSaved;
140	enum lineType_e entrySeparator;	enum lineType_e entryStart;
141		enum lineType_e entryEnd;
142	int needsBootPrefix;	int needsBootPrefix;
143	int argsInQuotes;	int argsInQuotes;
144	int maxTitleLength;	int maxTitleLength;
145	int titleBracketed;	int titleBracketed;
146		int titlePosition;
147	int mbHyperFirst;	int mbHyperFirst;
148	int mbInitRdIsModule;	int mbInitRdIsModule;
149	int mbConcatArgs;	int mbConcatArgs;
#	Line 138  struct keywordTypes grubKeywords[] = {	Line 162  struct keywordTypes grubKeywords[] = {
162	{ NULL,    0, 0 },	{ NULL,    0, 0 },
163	};	};
164
165		const char *grubFindConfig(struct configFileInfo *cfi) {
166		static const char *configFiles[] = {
167		"/boot/grub/grub.conf",
168		"/boot/grub/menu.lst",
169		"/etc/grub.conf",
170		NULL
171		};
172		static int i = -1;
173
174		if (i == -1) {
175		for (i = 0; configFiles[i] != NULL; i++) {
176		dbgPrintf("Checking \"%s\": ", configFiles[i]);
177		if (!access(configFiles[i], R_OK)) {
178		dbgPrintf("found\n");
179		return configFiles[i];
180		}
181		dbgPrintf("not found\n");
182		}
183		}
184		return configFiles[i];
185		}
186
187	struct configFileInfo grubConfigType = {	struct configFileInfo grubConfigType = {
188	"/boot/grub/grub.conf",    /* defaultConfig */	.findConfig = grubFindConfig,
189	grubKeywords,    /* keywords */	.keywords = grubKeywords,
190	1,    /* defaultIsIndex */	.defaultIsIndex = 1,
191	1,    /* defaultSupportSaved */	.defaultSupportSaved = 1,
192	LT_TITLE,    /* entrySeparator */	.entryStart = LT_TITLE,
193	1,    /* needsBootPrefix */	.needsBootPrefix = 1,
194	0,    /* argsInQuotes */	.mbHyperFirst = 1,
195	0,    /* maxTitleLength */	.mbInitRdIsModule = 1,
196	0,                                      /* titleBracketed */	.mbAllowExtraInitRds = 1,
197	1,                                      /* mbHyperFirst */	};
198	1,                                      /* mbInitRdIsModule */
199	0,                                      /* mbConcatArgs */	struct keywordTypes grub2Keywords[] = {
200	1,                                      /* mbAllowExtraInitRds */	{ "menuentry",  LT_MENUENTRY,   ' ' },
201		{ "}",          LT_ENTRY_END,   ' ' },
202		{ "echo",       LT_ECHO,        ' ' },
203		{ "set",        LT_SET_VARIABLE,' ', '=' },
204		{ "root",       LT_BOOTROOT,    ' ' },
205		{ "default",    LT_DEFAULT,     ' ' },
206		{ "fallback",   LT_FALLBACK,    ' ' },
207		{ "linux",      LT_KERNEL,      ' ' },
208		{ "initrd",     LT_INITRD,      ' ', ' ' },
209		{ "module",     LT_MBMODULE,    ' ' },
210		{ "kernel",     LT_HYPER,       ' ' },
211		{ NULL, 0, 0 },
212		};
213
214		const char *grub2FindConfig(struct configFileInfo *cfi) {
215		static const char *configFiles[] = {
216		"/boot/grub/grub-efi.cfg",
217		"/boot/grub/grub.cfg",
218		NULL
219		};
220		static int i = -1;
221		static const char *grub_cfg = "/boot/grub/grub.cfg";
222
223		if (i == -1) {
224		for (i = 0; configFiles[i] != NULL; i++) {
225		dbgPrintf("Checking \"%s\": ", configFiles[i]);
226		if (!access(configFiles[i], R_OK)) {
227		dbgPrintf("found\n");
228		return configFiles[i];
229		}
230		}
231		}
232
233		/* Ubuntu renames grub2 to grub, so check for the grub.d directory
234		* that isn't in grub1, and if it exists, return the config file path
235		* that they use. */
236		if (configFiles[i] == NULL && !access("/etc/grub.d/", R_OK)) {
237		dbgPrintf("found\n");
238		return grub_cfg;
239		}
240
241		dbgPrintf("not found\n");
242		return configFiles[i];
243		}
244
245		int sizeOfSingleLine(struct singleLine * line) {
246		int count = 0;
247
248		for (int i = 0; i < line->numElements; i++) {
249		int indentSize = 0;
250
251		count = count + strlen(line->elements[i].item);
252
253		indentSize = strlen(line->elements[i].indent);
254		if (indentSize > 0)
255		count = count + indentSize;
256		else
257		/* be extra safe and add room for whitespaces */
258		count = count + 1;
259		}
260
261		/* room for trailing terminator */
262		count = count + 1;
263
264		return count;
265		}
266
267		static int isquote(char q)
268		{
269		if (q == '\'' || q == '\"')
270		return 1;
271		return 0;
272		}
273
274		char *grub2ExtractTitle(struct singleLine * line) {
275		char * current;
276		char * current_indent;
277		int current_len;
278		int current_indent_len;
279		int i;
280
281		/* bail out if line does not start with menuentry */
282		if (strcmp(line->elements[0].item, "menuentry"))
283		return NULL;
284
285		i = 1;
286		current = line->elements[i].item;
287		current_len = strlen(current);
288
289		/* if second word is quoted, strip the quotes and return single word */
290		if (isquote(*current) && isquote(current[current_len - 1])) {
291		char *tmp;
292
293		tmp = strdup(current);
294		*(tmp + current_len - 1) = '\0';
295		return ++tmp;
296		}
297
298		/* if no quotes, return second word verbatim */
299		if (!isquote(*current))
300		return current;
301
302		/* second element start with a quote, so we have to find the element
303		* whose last character is also quote (assuming it's the closing one) */
304		int resultMaxSize;
305		char * result;
306
307		resultMaxSize = sizeOfSingleLine(line);
308		result = malloc(resultMaxSize);
309		snprintf(result, resultMaxSize, "%s", ++current);
310
311		i++;
312		for (; i < line->numElements; ++i) {
313		current = line->elements[i].item;
314		current_len = strlen(current);
315		current_indent = line->elements[i].indent;
316		current_indent_len = strlen(current_indent);
317
318		strncat(result, current_indent, current_indent_len);
319		if (!isquote(current[current_len-1])) {
320		strncat(result, current, current_len);
321		} else {
322		strncat(result, current, current_len - 1);
323		break;
324		}
325		}
326		return result;
327		}
328
329		struct configFileInfo grub2ConfigType = {
330		.findConfig = grub2FindConfig,
331		.keywords = grub2Keywords,
332		.defaultIsIndex = 1,
333		.defaultSupportSaved = 1,
334		.defaultIsVariable = 1,
335		.entryStart = LT_MENUENTRY,
336		.entryEnd = LT_ENTRY_END,
337		.titlePosition = 1,
338		.needsBootPrefix = 1,
339		.mbHyperFirst = 1,
340		.mbInitRdIsModule = 1,
341		.mbAllowExtraInitRds = 1,
342	};	};
343
344	struct keywordTypes yabootKeywords[] = {	struct keywordTypes yabootKeywords[] = {
#	Line 249  struct keywordTypes extlinuxKeywords[] =	Line 436  struct keywordTypes extlinuxKeywords[] =
436	};	};
437	int useextlinuxmenu;	int useextlinuxmenu;
438	struct configFileInfo eliloConfigType = {	struct configFileInfo eliloConfigType = {
439	"/boot/efi/EFI/redhat/elilo.conf",    /* defaultConfig */	.defaultConfig = "/boot/efi/EFI/redhat/elilo.conf",
440	eliloKeywords,    /* keywords */	.keywords = eliloKeywords,
441	0,    /* defaultIsIndex */	.entryStart = LT_KERNEL,
442	0,    /* defaultSupportSaved */	.needsBootPrefix = 1,
443	LT_KERNEL,    /* entrySeparator */	.argsInQuotes = 1,
444	1,                    /* needsBootPrefix */	.mbConcatArgs = 1,
	1,    /* argsInQuotes */
	0,    /* maxTitleLength */
	0,                                      /* titleBracketed */
	0,                                      /* mbHyperFirst */
	0,                                      /* mbInitRdIsModule */
	1,                                      /* mbConcatArgs */
	0,                                      /* mbAllowExtraInitRds */
445	};	};
446
447	struct configFileInfo liloConfigType = {	struct configFileInfo liloConfigType = {
448	"/etc/lilo.conf",    /* defaultConfig */	.defaultConfig = "/etc/lilo.conf",
449	liloKeywords,    /* keywords */	.keywords = liloKeywords,
450	0,    /* defaultIsIndex */	.entryStart = LT_KERNEL,
451	0,    /* defaultSupportSaved */	.argsInQuotes = 1,
452	LT_KERNEL,    /* entrySeparator */	.maxTitleLength = 15,
	0,    /* needsBootPrefix */
	1,    /* argsInQuotes */
	15,    /* maxTitleLength */
	0,                                      /* titleBracketed */
	0,                                      /* mbHyperFirst */
	0,                                      /* mbInitRdIsModule */
	0,                                      /* mbConcatArgs */
	0,                                      /* mbAllowExtraInitRds */
453	};	};
454
455	struct configFileInfo yabootConfigType = {	struct configFileInfo yabootConfigType = {
456	"/etc/yaboot.conf",    /* defaultConfig */	.defaultConfig = "/etc/yaboot.conf",
457	yabootKeywords,    /* keywords */	.keywords = yabootKeywords,
458	0,    /* defaultIsIndex */	.entryStart = LT_KERNEL,
459	0,    /* defaultSupportSaved */	.needsBootPrefix = 1,
460	LT_KERNEL,    /* entrySeparator */	.argsInQuotes = 1,
461	1,    /* needsBootPrefix */	.maxTitleLength = 15,
462	1,    /* argsInQuotes */	.mbAllowExtraInitRds = 1,
	15,    /* maxTitleLength */
	0,                                      /* titleBracketed */
	0,                                      /* mbHyperFirst */
	0,                                      /* mbInitRdIsModule */
	0,                                      /* mbConcatArgs */
	1,                                      /* mbAllowExtraInitRds */
463	};	};
464
465	struct configFileInfo siloConfigType = {	struct configFileInfo siloConfigType = {
466	"/etc/silo.conf",    /* defaultConfig */	.defaultConfig = "/etc/silo.conf",
467	siloKeywords,    /* keywords */	.keywords = siloKeywords,
468	0,    /* defaultIsIndex */	.entryStart = LT_KERNEL,
469	0,    /* defaultSupportSaved */	.needsBootPrefix = 1,
470	LT_KERNEL,    /* entrySeparator */	.argsInQuotes = 1,
471	1,    /* needsBootPrefix */	.maxTitleLength = 15,
	1,    /* argsInQuotes */
	15,    /* maxTitleLength */
	0,                                      /* titleBracketed */
	0,                                      /* mbHyperFirst */
	0,                                      /* mbInitRdIsModule */
	0,                                      /* mbConcatArgs */
	0,                                      /* mbAllowExtraInitRds */
472	};	};
473
474	struct configFileInfo ziplConfigType = {	struct configFileInfo ziplConfigType = {
475	"/etc/zipl.conf",    /* defaultConfig */	.defaultConfig = "/etc/zipl.conf",
476	ziplKeywords,    /* keywords */	.keywords = ziplKeywords,
477	0,    /* defaultIsIndex */	.entryStart = LT_TITLE,
478	0,    /* defaultSupportSaved */	.argsInQuotes = 1,
479	LT_TITLE,    /* entrySeparator */	.titleBracketed = 1,
	0,    /* needsBootPrefix */
	1,    /* argsInQuotes */
	0,    /* maxTitleLength */
	1,                                      /* titleBracketed */
	0,                                      /* mbHyperFirst */
	0,                                      /* mbInitRdIsModule */
	0,                                      /* mbConcatArgs */
	0,                                      /* mbAllowExtraInitRds */
480	};	};
481
482	struct configFileInfo extlinuxConfigType = {	struct configFileInfo extlinuxConfigType = {
483	"/boot/extlinux/extlinux.conf",         /* defaultConfig */	.defaultConfig = "/boot/extlinux/extlinux.conf",
484	extlinuxKeywords,                       /* keywords */	.keywords = extlinuxKeywords,
485	0,                                      /* defaultIsIndex */	.entryStart = LT_TITLE,
486	0,                                      /* defaultSupportSaved */	.needsBootPrefix = 1,
487	LT_TITLE,                               /* entrySeparator */	.maxTitleLength = 255,
488	1,                                      /* needsBootPrefix */	.mbAllowExtraInitRds = 1,
	0,                                      /* argsInQuotes */
	255,                                    /* maxTitleLength */
	0,                                      /* titleBracketed */
	0,                                      /* mbHyperFirst */
	0,                                      /* mbInitRdIsModule */
	0,                                      /* mbConcatArgs */
	1,                                      /* mbAllowExtraInitRds */
489	};	};
490
491	struct grubConfig {	struct grubConfig {
#	Line 356  struct grubConfig {	Line 500  struct grubConfig {
500	struct configFileInfo * cfi;	struct configFileInfo * cfi;
501	};	};
502
503		blkid_cache blkid;
504
505	struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index);	struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index);
506	struct singleEntry * findEntryByPath(struct grubConfig * cfg,	struct singleEntry * findEntryByPath(struct grubConfig * cfg,
507	const char * path, const char * prefix,	const char * path, const char * prefix,
#	Line 369  static int lineWrite(FILE * out, struct	Line 515  static int lineWrite(FILE * out, struct
515	static int getNextLine(char ** bufPtr, struct singleLine * line,	static int getNextLine(char ** bufPtr, struct singleLine * line,
516	struct configFileInfo * cfi);	struct configFileInfo * cfi);
517	static char * getRootSpecifier(char * str);	static char * getRootSpecifier(char * str);
518		static void requote(struct singleLine *line, struct configFileInfo * cfi);
519	static void insertElement(struct singleLine * line,	static void insertElement(struct singleLine * line,
520	const char * item, int insertHere,	const char * item, int insertHere,
521	struct configFileInfo * cfi);	struct configFileInfo * cfi);
#	Line 425  static char * sdupprintf(const char *for	Line 572  static char * sdupprintf(const char *for
572
573	static struct keywordTypes * getKeywordByType(enum lineType_e type,	static struct keywordTypes * getKeywordByType(enum lineType_e type,
574	struct configFileInfo * cfi) {	struct configFileInfo * cfi) {
575	struct keywordTypes * kw;	for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) {
	for (kw = cfi->keywords; kw->key; kw++) {
576	if (kw->type == type)	if (kw->type == type)
577	return kw;	return kw;
578	}	}
579	return NULL;	return NULL;
580	}	}
581
582	static char * getpathbyspec(char *device) {	static char *getKeyByType(enum lineType_e type, struct configFileInfo * cfi) {
583	static blkid_cache blkid;	struct keywordTypes *kt = getKeywordByType(type, cfi);
584		if (kt)
585		return kt->key;
586		return "unknown";
587		}
588
589		static char * getpathbyspec(char *device) {
590	if (!blkid)	if (!blkid)
591	blkid_get_cache(&blkid, NULL);	blkid_get_cache(&blkid, NULL);
592
593	return blkid_get_devname(blkid, device, NULL);	return blkid_get_devname(blkid, device, NULL);
594	}	}
595
596		static char * getuuidbydev(char *device) {
597		if (!blkid)
598		blkid_get_cache(&blkid, NULL);
599
600		return blkid_get_tag_value(blkid, "UUID", device);
601		}
602
603	static enum lineType_e getTypeByKeyword(char * keyword,	static enum lineType_e getTypeByKeyword(char * keyword,
604	struct configFileInfo * cfi) {	struct configFileInfo * cfi) {
605	struct keywordTypes * kw;	for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) {
	for (kw = cfi->keywords; kw->key; kw++) {
606	if (!strcmp(keyword, kw->key))	if (!strcmp(keyword, kw->key))
607	return kw->type;	return kw->type;
608	}	}
#	Line 477  static int isBracketedTitle(struct singl	Line 634  static int isBracketedTitle(struct singl
634	return 0;	return 0;
635	}	}
636
637	static int isEntrySeparator(struct singleLine * line,	static int isEntryStart(struct singleLine * line,
638	struct configFileInfo * cfi) {	struct configFileInfo * cfi) {
639	return line->type == cfi->entrySeparator || line->type == LT_OTHER ||	return line->type == cfi->entryStart || line->type == LT_OTHER ||
640	(cfi->titleBracketed && isBracketedTitle(line));	(cfi->titleBracketed && isBracketedTitle(line));
641	}	}
642
#	Line 532  static void lineInit(struct singleLine *	Line 689  static void lineInit(struct singleLine *
689	}	}
690
691	struct singleLine * lineDup(struct singleLine * line) {	struct singleLine * lineDup(struct singleLine * line) {
	int i;
692	struct singleLine * newLine = malloc(sizeof(*newLine));	struct singleLine * newLine = malloc(sizeof(*newLine));
693
694	newLine->indent = strdup(line->indent);	newLine->indent = strdup(line->indent);
#	Line 542  struct singleLine * lineDup(struct singl	Line 698  struct singleLine * lineDup(struct singl
698	newLine->elements = malloc(sizeof(*newLine->elements) *	newLine->elements = malloc(sizeof(*newLine->elements) *
699	newLine->numElements);	newLine->numElements);
700
701	for (i = 0; i < newLine->numElements; i++) {	for (int i = 0; i < newLine->numElements; i++) {
702	newLine->elements[i].indent = strdup(line->elements[i].indent);	newLine->elements[i].indent = strdup(line->elements[i].indent);
703	newLine->elements[i].item = strdup(line->elements[i].item);	newLine->elements[i].item = strdup(line->elements[i].item);
704	}	}
#	Line 551  struct singleLine * lineDup(struct singl	Line 707  struct singleLine * lineDup(struct singl
707	}	}
708
709	static void lineFree(struct singleLine * line) {	static void lineFree(struct singleLine * line) {
	int i;
710	if (line->indent) free(line->indent);	if (line->indent) free(line->indent);
711
712	for (i = 0; i < line->numElements; i++) {	for (int i = 0; i < line->numElements; i++) {
713	free(line->elements[i].item);	free(line->elements[i].item);
714	free(line->elements[i].indent);	free(line->elements[i].indent);
715	}	}
#	Line 566  static void lineFree(struct singleLine *	Line 720  static void lineFree(struct singleLine *
720
721	static int lineWrite(FILE * out, struct singleLine * line,	static int lineWrite(FILE * out, struct singleLine * line,
722	struct configFileInfo * cfi) {	struct configFileInfo * cfi) {
	int i;
723	if (fprintf(out, "%s", line->indent) == -1) return -1;	if (fprintf(out, "%s", line->indent) == -1) return -1;
724
725	for (i = 0; i < line->numElements; i++) {	for (int i = 0; i < line->numElements; i++) {
726		/* Need to handle this, because we strip the quotes from
727		* menuentry when read it. */
728		if (line->type == LT_MENUENTRY && i == 1) {
729		if(!isquote(*line->elements[i].item))
730		fprintf(out, "\'%s\'", line->elements[i].item);
731		else
732		fprintf(out, "%s", line->elements[i].item);
733		fprintf(out, "%s", line->elements[i].indent);
734
735		continue;
736		}
737
738	if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes)	if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes)
739	if (fputc('"', out) == EOF) return -1;	if (fputc('"', out) == EOF) return -1;
740
#	Line 664  static int getNextLine(char ** bufPtr, s	Line 828  static int getNextLine(char ** bufPtr, s
828	if (*line->elements[0].item == '#') {	if (*line->elements[0].item == '#') {
829	char * fullLine;	char * fullLine;
830	int len;	int len;
	int i;
831
832	len = strlen(line->indent);	len = strlen(line->indent);
833	for (i = 0; i < line->numElements; i++)	for (int i = 0; i < line->numElements; i++)
834	len += strlen(line->elements[i].item) +	len += strlen(line->elements[i].item) +
835	strlen(line->elements[i].indent);	strlen(line->elements[i].indent);
836
#	Line 676  static int getNextLine(char ** bufPtr, s	Line 839  static int getNextLine(char ** bufPtr, s
839	free(line->indent);	free(line->indent);
840	line->indent = fullLine;	line->indent = fullLine;
841
842	for (i = 0; i < line->numElements; i++) {	for (int i = 0; i < line->numElements; i++) {
843	strcat(fullLine, line->elements[i].item);	strcat(fullLine, line->elements[i].item);
844	strcat(fullLine, line->elements[i].indent);	strcat(fullLine, line->elements[i].indent);
845	free(line->elements[i].item);	free(line->elements[i].item);
#	Line 695  static int getNextLine(char ** bufPtr, s	Line 858  static int getNextLine(char ** bufPtr, s
858	* elements up more	* elements up more
859	*/	*/
860	if (!isspace(kw->separatorChar)) {	if (!isspace(kw->separatorChar)) {
	int i;
861	char indent[2] = "";	char indent[2] = "";
862	indent[0] = kw->separatorChar;	indent[0] = kw->separatorChar;
863	for (i = 1; i < line->numElements; i++) {	for (int i = 1; i < line->numElements; i++) {
864	char *p;	char *p;
	int j;
865	int numNewElements;	int numNewElements;
866
867	numNewElements = 0;	numNewElements = 0;
#	Line 716  static int getNextLine(char ** bufPtr, s	Line 877  static int getNextLine(char ** bufPtr, s
877	sizeof(*line->elements) * elementsAlloced);	sizeof(*line->elements) * elementsAlloced);
878	}	}
879
880	for (j = line->numElements; j > i; j--) {	for (int j = line->numElements; j > i; j--) {
881	line->elements[j + numNewElements] = line->elements[j];	line->elements[j + numNewElements] = line->elements[j];
882	}	}
883	line->numElements += numNewElements;	line->numElements += numNewElements;
#	Line 729  static int getNextLine(char ** bufPtr, s	Line 890  static int getNextLine(char ** bufPtr, s
890	break;	break;
891	}	}
892
893	free(line->elements[i].indent);	line->elements[i + 1].indent = line->elements[i].indent;
894	line->elements[i].indent = strdup(indent);	line->elements[i].indent = strdup(indent);
895	*p++ = '\0';	*p++ = '\0';
896	i++;	i++;
897	line->elements[i].item = strdup(p);	line->elements[i].item = strdup(p);
	line->elements[i].indent = strdup("");
	p = line->elements[i].item;
898	}	}
899	}	}
900	}	}
#	Line 756  static struct grubConfig * readConfig(co	Line 915  static struct grubConfig * readConfig(co
915	struct singleLine * last = NULL, * line, * defaultLine = NULL;	struct singleLine * last = NULL, * line, * defaultLine = NULL;
916	char * end;	char * end;
917	struct singleEntry * entry = NULL;	struct singleEntry * entry = NULL;
918	int i, len;	int len;
919	char * buf;	char * buf;
920
921	if (!strcmp(inName, "-")) {	if (!strcmp(inName, "-")) {
#	Line 802  static struct grubConfig * readConfig(co	Line 961  static struct grubConfig * readConfig(co
961	cfg->secondaryIndent = strdup(line->indent);	cfg->secondaryIndent = strdup(line->indent);
962	}	}
963
964	if (isEntrySeparator(line, cfi)) {	if (isEntryStart(line, cfi) || (cfg->entries && !sawEntry)) {
965	sawEntry = 1;	sawEntry = 1;
966	if (!entry) {	if (!entry) {
967	cfg->entries = malloc(sizeof(*entry));	cfg->entries = malloc(sizeof(*entry));
#	Line 818  static struct grubConfig * readConfig(co	Line 977  static struct grubConfig * readConfig(co
977	entry->next = NULL;	entry->next = NULL;
978	}	}
979
980	if (line->type == LT_DEFAULT && line->numElements == 2) {	if (line->type == LT_SET_VARIABLE) {
981		dbgPrintf("found 'set' command (%d elements): ", line->numElements);
982		dbgPrintf("%s", line->indent);
983		for (int i = 0; i < line->numElements; i++)
984		dbgPrintf("\"%s\"%s", line->elements[i].item, line->elements[i].indent);
985		dbgPrintf("\n");
986		struct keywordTypes *kwType = getKeywordByType(LT_DEFAULT, cfi);
987		if (kwType && line->numElements == 3 &&
988		!strcmp(line->elements[1].item, kwType->key)) {
989		dbgPrintf("Line sets default config\n");
990		cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;
991		defaultLine = line;
992		}
993		} else if (line->type == LT_DEFAULT && line->numElements == 2) {
994	cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;	cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;
995	defaultLine = line;	defaultLine = line;
996
#	Line 836  static struct grubConfig * readConfig(co	Line 1008  static struct grubConfig * readConfig(co
1008	* This only applies to grub, but that's the only place we	* This only applies to grub, but that's the only place we
1009	* should find LT_MBMODULE lines anyway.	* should find LT_MBMODULE lines anyway.
1010	*/	*/
1011	struct singleLine * l;	for (struct singleLine *l = entry->lines; l; l = l->next) {
	for (l = entry->lines; l; l = l->next) {
1012	if (l->type == LT_HYPER)	if (l->type == LT_HYPER)
1013	break;	break;
1014	else if (l->type == LT_KERNEL) {	else if (l->type == LT_KERNEL) {
#	Line 857  static struct grubConfig * readConfig(co	Line 1028  static struct grubConfig * readConfig(co
1028	} else if (line->type == LT_TITLE && line->numElements > 1) {	} else if (line->type == LT_TITLE && line->numElements > 1) {
1029	/* make the title a single argument (undoing our parsing) */	/* make the title a single argument (undoing our parsing) */
1030	len = 0;	len = 0;
1031	for (i = 1; i < line->numElements; i++) {	for (int i = 1; i < line->numElements; i++) {
1032	len += strlen(line->elements[i].item);	len += strlen(line->elements[i].item);
1033	len += strlen(line->elements[i].indent);	len += strlen(line->elements[i].indent);
1034	}	}
1035	buf = malloc(len + 1);	buf = malloc(len + 1);
1036	*buf = '\0';	*buf = '\0';
1037
1038	for (i = 1; i < line->numElements; i++) {	for (int i = 1; i < line->numElements; i++) {
1039	strcat(buf, line->elements[i].item);	strcat(buf, line->elements[i].item);
1040	free(line->elements[i].item);	free(line->elements[i].item);
1041
#	Line 878  static struct grubConfig * readConfig(co	Line 1049  static struct grubConfig * readConfig(co
1049	line->elements[line->numElements - 1].indent;	line->elements[line->numElements - 1].indent;
1050	line->elements[1].item = buf;	line->elements[1].item = buf;
1051	line->numElements = 2;	line->numElements = 2;
1052		} else if (line->type == LT_MENUENTRY && line->numElements > 3) {
1053		/* let --remove-kernel="TITLE=what" work */
1054		len = 0;
1055		char *extras;
1056		char *title;
1057
1058		for (int i = 1; i < line->numElements; i++) {
1059		len += strlen(line->elements[i].item);
1060		len += strlen(line->elements[i].indent);
1061		}
1062		buf = malloc(len + 1);
1063		*buf = '\0';
1064
1065		/* allocate mem for extra flags. */
1066		extras = malloc(len + 1);
1067		*extras = '\0';
1068
1069		/* get title. */
1070		for (int i = 0; i < line->numElements; i++) {
1071		if (!strcmp(line->elements[i].item, "menuentry"))
1072		continue;
1073		if (isquote(*line->elements[i].item))
1074		title = line->elements[i].item + 1;
1075		else
1076		title = line->elements[i].item;
1077
1078		len = strlen(title);
1079		if (isquote(title[len-1])) {
1080		strncat(buf, title,len-1);
1081		break;
1082		} else {
1083		strcat(buf, title);
1084		strcat(buf, line->elements[i].indent);
1085		}
1086		}
1087
1088		/* get extras */
1089		int count = 0;
1090		for (int i = 0; i < line->numElements; i++) {
1091		if (count >= 2) {
1092		strcat(extras, line->elements[i].item);
1093		strcat(extras, line->elements[i].indent);
1094		}
1095
1096		if (!strcmp(line->elements[i].item, "menuentry"))
1097		continue;
1098
1099		/* count ' or ", there should be two in menuentry line. */
1100		if (isquote(*line->elements[i].item))
1101		count++;
1102
1103		len = strlen(line->elements[i].item);
1104
1105		if (isquote(line->elements[i].item[len -1]))
1106		count++;
1107
1108		/* ok, we get the final ' or ", others are extras. */
1109		}
1110		line->elements[1].indent =
1111		line->elements[line->numElements - 2].indent;
1112		line->elements[1].item = buf;
1113		line->elements[2].indent =
1114		line->elements[line->numElements - 2].indent;
1115		line->elements[2].item = extras;
1116		line->numElements = 3;
1117	} else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) {	} else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) {
1118	/* Strip off any " which may be present; they'll be put back	/* Strip off any " which may be present; they'll be put back
1119	on write. This is one of the few (the only?) places that grubby	on write. This is one of the few (the only?) places that grubby
#	Line 887  static struct grubConfig * readConfig(co	Line 1122  static struct grubConfig * readConfig(co
1122	if (line->numElements >= 2) {	if (line->numElements >= 2) {
1123	int last, len;	int last, len;
1124
1125	if (*line->elements[1].item == '"')	if (isquote(*line->elements[1].item))
1126	memmove(line->elements[1].item, line->elements[1].item + 1,	memmove(line->elements[1].item, line->elements[1].item + 1,
1127	strlen(line->elements[1].item + 1) + 1);	strlen(line->elements[1].item + 1) + 1);
1128
1129	last = line->numElements - 1;	last = line->numElements - 1;
1130	len = strlen(line->elements[last].item) - 1;	len = strlen(line->elements[last].item) - 1;
1131	if (line->elements[last].item[len] == '"')	if (isquote(line->elements[last].item[len]))
1132	line->elements[last].item[len] = '\0';	line->elements[last].item[len] = '\0';
1133	}	}
1134	}	}
#	Line 931  static struct grubConfig * readConfig(co	Line 1166  static struct grubConfig * readConfig(co
1166	entry->lines = line;	entry->lines = line;
1167	else	else
1168	last->next = line;	last->next = line;
1169	dbgPrintf("readConfig added %d to %p\n", line->type, entry);	dbgPrintf("readConfig added %s to %p\n", getKeyByType(line->type, cfi), entry);
1170
1171		/* we could have seen this outside of an entry... if so, we
1172		* ignore it like any other line we don't grok */
1173		if (line->type == LT_ENTRY_END && sawEntry)
1174		sawEntry = 0;
1175	} else {	} else {
1176	if (!cfg->theLines)	if (!cfg->theLines)
1177	cfg->theLines = line;	cfg->theLines = line;
1178	else	else
1179	last->next = line;	last->next = line;
1180	dbgPrintf("readConfig added %d to cfg\n", line->type);	dbgPrintf("readConfig added %s to cfg\n", getKeyByType(line->type, cfi));
1181	}	}
1182
1183	last = line;	last = line;
#	Line 945  static struct grubConfig * readConfig(co	Line 1185  static struct grubConfig * readConfig(co
1185
1186	free(incoming);	free(incoming);
1187
1188		dbgPrintf("defaultLine is %s\n", defaultLine ? "set" : "unset");
1189	if (defaultLine) {	if (defaultLine) {
1190	if (cfi->defaultSupportSaved &&	if (defaultLine->numElements > 2 &&
1191		cfi->defaultSupportSaved &&
1192		!strncmp(defaultLine->elements[2].item,"\"${saved_entry}\"", 16)) {
1193		cfg->defaultImage = DEFAULT_SAVED_GRUB2;
1194		} else if (cfi->defaultIsVariable) {
1195		char *value = defaultLine->elements[2].item;
1196		while (*value && (*value == '"' || *value == '\'' ||
1197		*value == ' ' || *value == '\t'))
1198		value++;
1199		cfg->defaultImage = strtol(value, &end, 10);
1200		while (*end && (*end == '"' || *end == '\'' ||
1201		*end == ' ' || *end == '\t'))
1202		end++;
1203		if (*end) cfg->defaultImage = -1;
1204		} else if (cfi->defaultSupportSaved &&
1205	!strncmp(defaultLine->elements[1].item, "saved", 5)) {	!strncmp(defaultLine->elements[1].item, "saved", 5)) {
1206	cfg->defaultImage = DEFAULT_SAVED;	cfg->defaultImage = DEFAULT_SAVED;
1207	} else if (cfi->defaultIsIndex) {	} else if (cfi->defaultIsIndex) {
1208	cfg->defaultImage = strtol(defaultLine->elements[1].item, &end, 10);	cfg->defaultImage = strtol(defaultLine->elements[1].item, &end, 10);
1209	if (*end) cfg->defaultImage = -1;	if (*end) cfg->defaultImage = -1;
1210	} else if (defaultLine->numElements >= 2) {	} else if (defaultLine->numElements >= 2) {
1211	i = 0;	int i = 0;
1212	while ((entry = findEntryByIndex(cfg, i))) {	while ((entry = findEntryByIndex(cfg, i))) {
1213	for (line = entry->lines; line; line = line->next)	for (line = entry->lines; line; line = line->next)
1214	if (line->type == LT_TITLE) break;	if (line->type == LT_TITLE) break;
#	Line 993  static void writeDefault(FILE * out, cha	Line 1248  static void writeDefault(FILE * out, cha
1248
1249	if (cfg->defaultImage == DEFAULT_SAVED)	if (cfg->defaultImage == DEFAULT_SAVED)
1250	fprintf(out, "%sdefault%ssaved\n", indent, separator);	fprintf(out, "%sdefault%ssaved\n", indent, separator);
1251		else if (cfg->defaultImage == DEFAULT_SAVED_GRUB2)
1252		fprintf(out, "%sset default=\"${saved_entry}\"\n", indent);
1253	else if (cfg->defaultImage > -1) {	else if (cfg->defaultImage > -1) {
1254	if (cfg->cfi->defaultIsIndex) {	if (cfg->cfi->defaultIsIndex) {
1255	fprintf(out, "%sdefault%s%d\n", indent, separator,	if (cfg->cfi->defaultIsVariable) {
1256	cfg->defaultImage);	fprintf(out, "%sset default=\"%d\"\n", indent,
1257		cfg->defaultImage);
1258		} else {
1259		fprintf(out, "%sdefault%s%d\n", indent, separator,
1260		cfg->defaultImage);
1261		}
1262	} else {	} else {
1263	int image = cfg->defaultImage;	int image = cfg->defaultImage;
1264
#	Line 1048  static int writeConfig(struct grubConfig	Line 1310  static int writeConfig(struct grubConfig
1310
1311	/* most likely the symlink is relative, so change our	/* most likely the symlink is relative, so change our
1312	directory to the dir of the symlink */	directory to the dir of the symlink */
1313	rc = chdir(dirname(strdupa(outName)));	char *dir = strdupa(outName);
1314		rc = chdir(dirname(dir));
1315		free(dir);
1316	do {	do {
1317	buf = alloca(len + 1);	buf = alloca(len + 1);
1318	rc = readlink(basename(outName), buf, len);	rc = readlink(basename(outName), buf, len);
#	Line 1086  static int writeConfig(struct grubConfig	Line 1350  static int writeConfig(struct grubConfig
1350	}	}
1351
1352	line = cfg->theLines;	line = cfg->theLines;
1353		struct keywordTypes *defaultKw = getKeywordByType(LT_DEFAULT, cfg->cfi);
1354	while (line) {	while (line) {
1355	if (line->type == LT_DEFAULT) {	if (line->type == LT_SET_VARIABLE && defaultKw &&
1356		line->numElements == 3 &&
1357		!strcmp(line->elements[1].item, defaultKw->key)) {
1358		writeDefault(out, line->indent, line->elements[0].indent, cfg);
1359		needs &= ~MAIN_DEFAULT;
1360		} else if (line->type == LT_DEFAULT) {
1361	writeDefault(out, line->indent, line->elements[0].indent, cfg);	writeDefault(out, line->indent, line->elements[0].indent, cfg);
1362	needs &= ~MAIN_DEFAULT;	needs &= ~MAIN_DEFAULT;
1363	} else if (line->type == LT_FALLBACK) {	} else if (line->type == LT_FALLBACK) {
#	Line 1155  static int numEntries(struct grubConfig	Line 1425  static int numEntries(struct grubConfig
1425	return i;	return i;
1426	}	}
1427
1428		static char *findDiskForRoot()
1429		{
1430		int fd;
1431		char buf[65536];
1432		char *devname;
1433		char *chptr;
1434		int rc;
1435
1436		if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) {
1437		fprintf(stderr, "grubby: failed to open %s: %s\n",
1438		_PATH_MOUNTED, strerror(errno));
1439		return NULL;
1440		}
1441
1442		rc = read(fd, buf, sizeof(buf) - 1);
1443		if (rc <= 0) {
1444		fprintf(stderr, "grubby: failed to read %s: %s\n",
1445		_PATH_MOUNTED, strerror(errno));
1446		close(fd);
1447		return NULL;
1448		}
1449		close(fd);
1450		buf[rc] = '\0';
1451		chptr = buf;
1452
1453		char *foundanswer = NULL;
1454
1455		while (chptr && chptr != buf+rc) {
1456		devname = chptr;
1457
1458		/*
1459		* The first column of a mtab entry is the device, but if the entry is a
1460		* special device it won't start with /, so move on to the next line.
1461		*/
1462		if (*devname != '/') {
1463		chptr = strchr(chptr, '\n');
1464		if (chptr)
1465		chptr++;
1466		continue;
1467		}
1468
1469		/* Seek to the next space */
1470		chptr = strchr(chptr, ' ');
1471		if (!chptr) {
1472		fprintf(stderr, "grubby: error parsing %s: %s\n",
1473		_PATH_MOUNTED, strerror(errno));
1474		return NULL;
1475		}
1476
1477		/*
1478		* The second column of a mtab entry is the mount point, we are looking
1479		* for '/' obviously.
1480		*/
1481		if (*(++chptr) == '/' && *(++chptr) == ' ') {
1482		/* remember the last / entry in mtab */
1483		foundanswer = devname;
1484		}
1485
1486		/* Next line */
1487		chptr = strchr(chptr, '\n');
1488		if (chptr)
1489		chptr++;
1490		}
1491
1492		/* Return the last / entry found */
1493		if (foundanswer) {
1494		chptr = strchr(foundanswer, ' ');
1495		*chptr = '\0';
1496		return strdup(foundanswer);
1497		}
1498
1499		return NULL;
1500		}
1501
1502		void printEntry(struct singleEntry * entry) {
1503		int i;
1504		struct singleLine * line;
1505
1506		for (line = entry->lines; line; line = line->next) {
1507		fprintf(stderr, "DBG: %s", line->indent);
1508		for (i = 0; i < line->numElements; i++) {
1509		/* Need to handle this, because we strip the quotes from
1510		* menuentry when read it. */
1511		if (line->type == LT_MENUENTRY && i == 1) {
1512		if(!isquote(*line->elements[i].item))
1513		fprintf(stderr, "\'%s\'", line->elements[i].item);
1514		else
1515		fprintf(stderr, "%s", line->elements[i].item);
1516		fprintf(stderr, "%s", line->elements[i].indent);
1517
1518		continue;
1519		}
1520
1521		fprintf(stderr, "%s%s",
1522		line->elements[i].item, line->elements[i].indent);
1523		}
1524		fprintf(stderr, "\n");
1525		}
1526		}
1527
1528		void notSuitablePrintf(struct singleEntry * entry, const char *fmt, ...)
1529		{
1530		va_list argp;
1531
1532		if (!debug)
1533		return;
1534
1535		va_start(argp, fmt);
1536		fprintf(stderr, "DBG: Image entry failed: ");
1537		vfprintf(stderr, fmt, argp);
1538		printEntry(entry);
1539		va_end(argp);
1540		}
1541
1542		#define beginswith(s, c) ((s) && (s)[0] == (c))
1543
1544		static int endswith(const char *s, char c)
1545		{
1546		int slen;
1547
1548		if (!s || !s[0])
1549		return 0;
1550		slen = strlen(s) - 1;
1551
1552		return s[slen] == c;
1553		}
1554
1555	int suitableImage(struct singleEntry * entry, const char * bootPrefix,	int suitableImage(struct singleEntry * entry, const char * bootPrefix,
1556	int skipRemoved, int flags) {	int skipRemoved, int flags) {
1557	struct singleLine * line;	struct singleLine * line;
1558	char * fullName;	char * fullName;
1559	int i;	int i;
	struct stat sb, sb2;
1560	char * dev;	char * dev;
1561	char * rootspec;	char * rootspec;
1562		char * rootdev;
1563
1564	if (skipRemoved && entry->skip) return 0;	if (skipRemoved && entry->skip) {
1565		notSuitablePrintf(entry, "marked to skip\n");
1566		return 0;
1567		}
1568
1569	line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines);	line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines);
1570	if (!line || line->numElements < 2) return 0;	if (!line) {
1571		notSuitablePrintf(entry, "no line found\n");
1572		return 0;
1573		}
1574		if (line->numElements < 2) {
1575		notSuitablePrintf(entry, "line has only %d elements\n",
1576		line->numElements);
1577		return 0;
1578		}
1579
1580	if (flags & GRUBBY_BADIMAGE_OKAY) return 1;	if (flags & GRUBBY_BADIMAGE_OKAY) return 1;
1581
1582	fullName = alloca(strlen(bootPrefix) +	fullName = alloca(strlen(bootPrefix) +
1583	strlen(line->elements[1].item) + 1);	strlen(line->elements[1].item) + 1);
1584	rootspec = getRootSpecifier(line->elements[1].item);	rootspec = getRootSpecifier(line->elements[1].item);
1585	sprintf(fullName, "%s%s", bootPrefix,	int rootspec_offset = rootspec ? strlen(rootspec) : 0;
1586	line->elements[1].item + (rootspec ? strlen(rootspec) : 0));	int hasslash = endswith(bootPrefix, '/') ||
1587	if (access(fullName, R_OK)) return 0;	beginswith(line->elements[1].item + rootspec_offset, '/');
1588		sprintf(fullName, "%s%s%s", bootPrefix, hasslash ? "" : "/",
1589		line->elements[1].item + rootspec_offset);
1590		if (access(fullName, R_OK)) {
1591		notSuitablePrintf(entry, "access to %s failed\n", fullName);
1592		return 0;
1593		}
1594	for (i = 2; i < line->numElements; i++)	for (i = 2; i < line->numElements; i++)
1595	if (!strncasecmp(line->elements[i].item, "root=", 5)) break;	if (!strncasecmp(line->elements[i].item, "root=", 5)) break;
1596	if (i < line->numElements) {	if (i < line->numElements) {
#	Line 1195  int suitableImage(struct singleEntry * e	Line 1608  int suitableImage(struct singleEntry * e
1608	line = getLineByType(LT_KERNELARGS|LT_MBMODULE, entry->lines);	line = getLineByType(LT_KERNELARGS|LT_MBMODULE, entry->lines);
1609
1610	/* failed to find one */	/* failed to find one */
1611	if (!line) return 0;	if (!line) {
1612		notSuitablePrintf(entry, "no line found\n");
1613		return 0;
1614		}
1615
1616	for (i = 1; i < line->numElements; i++)	for (i = 1; i < line->numElements; i++)
1617	if (!strncasecmp(line->elements[i].item, "root=", 5)) break;	if (!strncasecmp(line->elements[i].item, "root=", 5)) break;
1618	if (i < line->numElements)	if (i < line->numElements)
1619	dev = line->elements[i].item + 5;	dev = line->elements[i].item + 5;
1620	else {	else {
1621		notSuitablePrintf(entry, "no root= entry found\n");
1622	/* it failed too...  can't find root= */	/* it failed too...  can't find root= */
1623	return 0;	return 0;
1624	}	}
#	Line 1209  int suitableImage(struct singleEntry * e	Line 1626  int suitableImage(struct singleEntry * e
1626	}	}
1627
1628	dev = getpathbyspec(dev);	dev = getpathbyspec(dev);
1629	if (!dev)	if (!getpathbyspec(dev)) {
1630		notSuitablePrintf(entry, "can't find blkid entry for %s\n", dev);
1631	return 0;	return 0;
1632		} else
1633		dev = getpathbyspec(dev);
1634
1635	i = stat(dev, &sb);	rootdev = findDiskForRoot();
1636	if (i)	if (!rootdev) {
1637		notSuitablePrintf(entry, "can't find root device\n");
1638	return 0;	return 0;
1639		}
1640
1641	stat("/", &sb2);	if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) {
1642		notSuitablePrintf(entry, "uuid missing: rootdev %s, dev %s\n",
1643		getuuidbydev(rootdev), getuuidbydev(dev));
1644		free(rootdev);
1645		return 0;
1646		}
1647
1648	if (sb.st_rdev != sb2.st_dev)	if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) {
1649		notSuitablePrintf(entry, "uuid mismatch: rootdev %s, dev %s\n",
1650		getuuidbydev(rootdev), getuuidbydev(dev));
1651		free(rootdev);
1652	return 0;	return 0;
1653		}
1654
1655		free(rootdev);
1656
1657	return 1;	return 1;
1658	}	}
#	Line 1301  struct singleEntry * findEntryByPath(str	Line 1734  struct singleEntry * findEntryByPath(str
1734
1735	if (!strncmp(kernel, "TITLE=", 6)) {	if (!strncmp(kernel, "TITLE=", 6)) {
1736	prefix = "";	prefix = "";
1737	checkType = LT_TITLE;	checkType = LT_TITLE|LT_MENUENTRY;
1738	kernel += 6;	kernel += 6;
1739	}	}
1740
#	Line 1317  struct singleEntry * findEntryByPath(str	Line 1750  struct singleEntry * findEntryByPath(str
1750	checkType, line);	checkType, line);
1751	if (!line) break;  /* not found in this entry */	if (!line) break;  /* not found in this entry */
1752
1753	if (line && line->numElements >= 2) {	if (line && line->type != LT_MENUENTRY &&
1754		line->numElements >= 2) {
1755	rootspec = getRootSpecifier(line->elements[1].item);	rootspec = getRootSpecifier(line->elements[1].item);
1756	if (!strcmp(line->elements[1].item +	if (!strcmp(line->elements[1].item +
1757	((rootspec != NULL) ? strlen(rootspec) : 0),	((rootspec != NULL) ? strlen(rootspec) : 0),
1758	kernel + strlen(prefix)))	kernel + strlen(prefix)))
1759	break;	break;
1760	}	}
1761		if(line->type == LT_MENUENTRY &&
1762		!strcmp(line->elements[1].item, kernel))
1763		break;
1764	}	}
1765
1766	/* make sure this entry has a kernel identifier; this skips	/* make sure this entry has a kernel identifier; this skips
#	Line 1415  void markRemovedImage(struct grubConfig	Line 1852  void markRemovedImage(struct grubConfig
1852	const char * prefix) {	const char * prefix) {
1853	struct singleEntry * entry;	struct singleEntry * entry;
1854
1855	if (!image) return;	if (!image)
1856		return;
1857
1858		/* check and see if we're removing the default image */
1859		if (isdigit(*image)) {
1860		entry = findEntryByPath(cfg, image, prefix, NULL);
1861		if(entry)
1862		entry->skip = 1;
1863		return;
1864		}
1865
1866	while ((entry = findEntryByPath(cfg, image, prefix, NULL)))	while ((entry = findEntryByPath(cfg, image, prefix, NULL)))
1867	entry->skip = 1;	entry->skip = 1;
#	Line 1423  void markRemovedImage(struct grubConfig	Line 1869  void markRemovedImage(struct grubConfig
1869
1870	void setDefaultImage(struct grubConfig * config, int hasNew,	void setDefaultImage(struct grubConfig * config, int hasNew,
1871	const char * defaultKernelPath, int newIsDefault,	const char * defaultKernelPath, int newIsDefault,
1872	const char * prefix, int flags) {	const char * prefix, int flags, int index) {
1873	struct singleEntry * entry, * entry2, * newDefault;	struct singleEntry * entry, * entry2, * newDefault;
1874	int i, j;	int i, j;
1875
1876	if (newIsDefault) {	if (newIsDefault) {
1877	config->defaultImage = 0;	config->defaultImage = 0;
1878	return;	return;
1879		} else if ((index >= 0) && config->cfi->defaultIsIndex) {
1880		if (findEntryByIndex(config, index))
1881		config->defaultImage = index;
1882		else
1883		config->defaultImage = -1;
1884		return;
1885	} else if (defaultKernelPath) {	} else if (defaultKernelPath) {
1886	i = 0;	i = 0;
1887	if (findEntryByPath(config, defaultKernelPath, prefix, &i)) {	if (findEntryByPath(config, defaultKernelPath, prefix, &i)) {
#	Line 1442  void setDefaultImage(struct grubConfig *	Line 1894  void setDefaultImage(struct grubConfig *
1894
1895	/* defaultImage now points to what we'd like to use, but before any order	/* defaultImage now points to what we'd like to use, but before any order
1896	changes */	changes */
1897	if (config->defaultImage == DEFAULT_SAVED)	if ((config->defaultImage == DEFAULT_SAVED) ||
1898		(config->defaultImage == DEFAULT_SAVED_GRUB2))
1899	/* default is set to saved, we don't want to change it */	/* default is set to saved, we don't want to change it */
1900	return;	return;
1901
#	Line 1509  void displayEntry(struct singleEntry * e	Line 1962  void displayEntry(struct singleEntry * e
1962	return;	return;
1963	}	}
1964
1965	printf("kernel=%s\n", line->elements[1].item);	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))
1966		printf("kernel=%s\n", line->elements[1].item);
1967		else
1968		printf("kernel=%s%s\n", prefix, line->elements[1].item);
1969
1970	if (line->numElements >= 3) {	if (line->numElements >= 3) {
1971	printf("args=\"");	printf("args=\"");
#	Line 1568  void displayEntry(struct singleEntry * e	Line 2024  void displayEntry(struct singleEntry * e
2024	line = getLineByType(LT_INITRD, entry->lines);	line = getLineByType(LT_INITRD, entry->lines);
2025
2026	if (line && line->numElements >= 2) {	if (line && line->numElements >= 2) {
2027	printf("initrd=%s", prefix);	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))
2028		printf("initrd=");
2029		else
2030		printf("initrd=%s", prefix);
2031
2032	for (i = 1; i < line->numElements; i++)	for (i = 1; i < line->numElements; i++)
2033	printf("%s%s", line->elements[i].item, line->elements[i].indent);	printf("%s%s", line->elements[i].item, line->elements[i].indent);
2034	printf("\n");	printf("\n");
2035	}	}
2036
2037		line = getLineByType(LT_TITLE, entry->lines);
2038		if (line) {
2039		printf("title=%s\n", line->elements[1].item);
2040		} else {
2041		char * title;
2042		line = getLineByType(LT_MENUENTRY, entry->lines);
2043		title = grub2ExtractTitle(line);
2044		if (title)
2045		printf("title=%s\n", title);
2046		}
2047		}
2048
2049		int isSuseSystem(void) {
2050		const char * path;
2051		const static char default_path[] = "/etc/SuSE-release";
2052
2053		if ((path = getenv("GRUBBY_SUSE_RELEASE")) == NULL)
2054		path = default_path;
2055
2056		if (!access(path, R_OK))
2057		return 1;
2058		return 0;
2059		}
2060
2061		int isSuseGrubConf(const char * path) {
2062		FILE * grubConf;
2063		char * line = NULL;
2064		size_t len = 0, res = 0;
2065
2066		grubConf = fopen(path, "r");
2067		if (!grubConf) {
2068		dbgPrintf("Could not open SuSE configuration file '%s'\n", path);
2069		return 0;
2070		}
2071
2072		while ((res = getline(&line, &len, grubConf)) != -1) {
2073		if (!strncmp(line, "setup", 5)) {
2074		fclose(grubConf);
2075		free(line);
2076		return 1;
2077		}
2078		}
2079
2080		dbgPrintf("SuSE configuration file '%s' does not appear to be valid\n",
2081		path);
2082
2083		fclose(grubConf);
2084		free(line);
2085		return 0;
2086		}
2087
2088		int suseGrubConfGetLba(const char * path, int * lbaPtr) {
2089		FILE * grubConf;
2090		char * line = NULL;
2091		size_t res = 0, len = 0;
2092
2093		if (!path) return 1;
2094		if (!lbaPtr) return 1;
2095
2096		grubConf = fopen(path, "r");
2097		if (!grubConf) return 1;
2098
2099		while ((res = getline(&line, &len, grubConf)) != -1) {
2100		if (line[res - 1] == '\n')
2101		line[res - 1] = '\0';
2102		else if (len > res)
2103		line[res] = '\0';
2104		else {
2105		line = realloc(line, res + 1);
2106		line[res] = '\0';
2107		}
2108
2109		if (!strncmp(line, "setup", 5)) {
2110		if (strstr(line, "--force-lba")) {
2111		*lbaPtr = 1;
2112		} else {
2113		*lbaPtr = 0;
2114		}
2115		dbgPrintf("lba: %i\n", *lbaPtr);
2116		break;
2117		}
2118		}
2119
2120		free(line);
2121		fclose(grubConf);
2122		return 0;
2123		}
2124
2125		int suseGrubConfGetInstallDevice(const char * path, char ** devicePtr) {
2126		FILE * grubConf;
2127		char * line = NULL;
2128		size_t res = 0, len = 0;
2129		char * lastParamPtr = NULL;
2130		char * secLastParamPtr = NULL;
2131		char installDeviceNumber = '\0';
2132		char * bounds = NULL;
2133
2134		if (!path) return 1;
2135		if (!devicePtr) return 1;
2136
2137		grubConf = fopen(path, "r");
2138		if (!grubConf) return 1;
2139
2140		while ((res = getline(&line, &len, grubConf)) != -1) {
2141		if (strncmp(line, "setup", 5))
2142		continue;
2143
2144		if (line[res - 1] == '\n')
2145		line[res - 1] = '\0';
2146		else if (len > res)
2147		line[res] = '\0';
2148		else {
2149		line = realloc(line, res + 1);
2150		line[res] = '\0';
2151		}
2152
2153		lastParamPtr = bounds = line + res;
2154
2155		/* Last parameter in grub may be an optional IMAGE_DEVICE */
2156		while (!isspace(*lastParamPtr))
2157		lastParamPtr--;
2158		lastParamPtr++;
2159
2160		secLastParamPtr = lastParamPtr - 2;
2161		dbgPrintf("lastParamPtr: %s\n", lastParamPtr);
2162
2163		if (lastParamPtr + 3 > bounds) {
2164		dbgPrintf("lastParamPtr going over boundary");
2165		fclose(grubConf);
2166		free(line);
2167		return 1;
2168		}
2169		if (!strncmp(lastParamPtr, "(hd", 3))
2170		lastParamPtr += 3;
2171		dbgPrintf("lastParamPtr: %c\n", *lastParamPtr);
2172
2173		/*
2174		* Second last parameter will decide wether last parameter is
2175		* an IMAGE_DEVICE or INSTALL_DEVICE
2176		*/
2177		while (!isspace(*secLastParamPtr))
2178		secLastParamPtr--;
2179		secLastParamPtr++;
2180
2181		if (secLastParamPtr + 3 > bounds) {
2182		dbgPrintf("secLastParamPtr going over boundary");
2183		fclose(grubConf);
2184		free(line);
2185		return 1;
2186		}
2187		dbgPrintf("secLastParamPtr: %s\n", secLastParamPtr);
2188		if (!strncmp(secLastParamPtr, "(hd", 3)) {
2189		secLastParamPtr += 3;
2190		dbgPrintf("secLastParamPtr: %c\n", *secLastParamPtr);
2191		installDeviceNumber = *secLastParamPtr;
2192		} else {
2193		installDeviceNumber = *lastParamPtr;
2194		}
2195
2196		*devicePtr = malloc(6);
2197		snprintf(*devicePtr, 6, "(hd%c)", installDeviceNumber);
2198		dbgPrintf("installDeviceNumber: %c\n", installDeviceNumber);
2199		fclose(grubConf);
2200		free(line);
2201		return 0;
2202		}
2203
2204		free(line);
2205		fclose(grubConf);
2206		return 1;
2207		}
2208
2209		int grubGetBootFromDeviceMap(const char * device,
2210		char ** bootPtr) {
2211		FILE * deviceMap;
2212		char * line = NULL;
2213		size_t res = 0, len = 0;
2214		char * devicePtr;
2215		char * bounds = NULL;
2216		const char * path;
2217		const static char default_path[] = "/boot/grub/device.map";
2218
2219		if (!device) return 1;
2220		if (!bootPtr) return 1;
2221
2222		if ((path = getenv("GRUBBY_GRUB_DEVICE_MAP")) == NULL)
2223		path = default_path;
2224
2225		dbgPrintf("opening grub device.map file from: %s\n", path);
2226		deviceMap = fopen(path, "r");
2227		if (!deviceMap)
2228		return 1;
2229
2230		while ((res = getline(&line, &len, deviceMap)) != -1) {
2231		if (!strncmp(line, "#", 1))
2232		continue;
2233
2234		if (line[res - 1] == '\n')
2235		line[res - 1] = '\0';
2236		else if (len > res)
2237		line[res] = '\0';
2238		else {
2239		line = realloc(line, res + 1);
2240		line[res] = '\0';
2241		}
2242
2243		devicePtr = line;
2244		bounds = line + res;
2245
2246		while ((isspace(*line) && ((devicePtr + 1) <= bounds)))
2247		devicePtr++;
2248		dbgPrintf("device: %s\n", devicePtr);
2249
2250		if (!strncmp(devicePtr, device, strlen(device))) {
2251		devicePtr += strlen(device);
2252		while (isspace(*devicePtr) && ((devicePtr + 1) <= bounds))
2253		devicePtr++;
2254
2255		*bootPtr = strdup(devicePtr);
2256		break;
2257		}
2258		}
2259
2260		free(line);
2261		fclose(deviceMap);
2262		return 0;
2263		}
2264
2265		int suseGrubConfGetBoot(const char * path, char ** bootPtr) {
2266		char * grubDevice;
2267
2268		if (suseGrubConfGetInstallDevice(path, &grubDevice))
2269		dbgPrintf("error looking for grub installation device\n");
2270		else
2271		dbgPrintf("grubby installation device: %s\n", grubDevice);
2272
2273		if (grubGetBootFromDeviceMap(grubDevice, bootPtr))
2274		dbgPrintf("error looking for grub boot device\n");
2275		else
2276		dbgPrintf("grubby boot device: %s\n", *bootPtr);
2277
2278		free(grubDevice);
2279		return 0;
2280		}
2281
2282		int parseSuseGrubConf(int * lbaPtr, char ** bootPtr) {
2283		/*
2284		* This SuSE grub configuration file at this location is not your average
2285		* grub configuration file, but instead the grub commands used to setup
2286		* grub on that system.
2287		*/
2288		const char * path;
2289		const static char default_path[] = "/etc/grub.conf";
2290
2291		if ((path = getenv("GRUBBY_SUSE_GRUB_CONF")) == NULL)
2292		path = default_path;
2293
2294		if (!isSuseGrubConf(path)) return 1;
2295
2296		if (lbaPtr) {
2297		*lbaPtr = 0;
2298		if (suseGrubConfGetLba(path, lbaPtr))
2299		return 1;
2300		}
2301
2302		if (bootPtr) {
2303		*bootPtr = NULL;
2304		suseGrubConfGetBoot(path, bootPtr);
2305		}
2306
2307		return 0;
2308	}	}
2309
2310	int parseSysconfigGrub(int * lbaPtr, char ** bootPtr) {	int parseSysconfigGrub(int * lbaPtr, char ** bootPtr) {
#	Line 1623  int parseSysconfigGrub(int * lbaPtr, cha	Line 2355  int parseSysconfigGrub(int * lbaPtr, cha
2355	}	}
2356
2357	void dumpSysconfigGrub(void) {	void dumpSysconfigGrub(void) {
2358	char * boot;	char * boot = NULL;
2359	int lba;	int lba;
2360
2361	if (!parseSysconfigGrub(&lba, &boot)) {	if (isSuseSystem()) {
2362	if (lba) printf("lba\n");	if (parseSuseGrubConf(&lba, &boot)) {
2363	if (boot) printf("boot=%s\n", boot);	free(boot);
2364		return;
2365		}
2366		} else {
2367		if (parseSysconfigGrub(&lba, &boot)) {
2368		free(boot);
2369		return;
2370		}
2371		}
2372
2373		if (lba) printf("lba\n");
2374		if (boot) {
2375		printf("boot=%s\n", boot);
2376		free(boot);
2377	}	}
2378	}	}
2379
#	Line 1733  struct singleLine *  addLine(struct sing	Line 2478  struct singleLine *  addLine(struct sing
2478	sprintf(tmpl.elements[0].item, "[%s]", val);	sprintf(tmpl.elements[0].item, "[%s]", val);
2479	tmpl.elements[0].indent = "";	tmpl.elements[0].indent = "";
2480	val = NULL;	val = NULL;
2481		} else if (type == LT_MENUENTRY) {
2482		char *lineend = "--class gnu-linux --class gnu --class os {";
2483		if (!val) {
2484		fprintf(stderr, "Line type LT_MENUENTRY requires a value\n");
2485		abort();
2486		}
2487		kw = getKeywordByType(type, cfi);
2488		if (!kw) {
2489		fprintf(stderr, "Looking up keyword for unknown type %d\n", type);
2490		abort();
2491		}
2492		tmpl.indent = "";
2493		tmpl.type = type;
2494		tmpl.numElements = 3;
2495		tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements);
2496		tmpl.elements[0].item = kw->key;
2497		tmpl.elements[0].indent = alloca(2);
2498		sprintf(tmpl.elements[0].indent, "%c", kw->nextChar);
2499		tmpl.elements[1].item = (char *)val;
2500		tmpl.elements[1].indent = alloca(2);
2501		sprintf(tmpl.elements[1].indent, "%c", kw->nextChar);
2502		tmpl.elements[2].item = alloca(strlen(lineend)+1);
2503		strcpy(tmpl.elements[2].item, lineend);
2504		tmpl.elements[2].indent = "";
2505	} else {	} else {
2506	kw = getKeywordByType(type, cfi);	kw = getKeywordByType(type, cfi);
2507	if (!kw) abort();	if (!kw) {
2508		fprintf(stderr, "Looking up keyword for unknown type %d\n", type);
2509		abort();
2510		}
2511	tmpl.type = type;	tmpl.type = type;
2512	tmpl.numElements = val ? 2 : 1;	tmpl.numElements = val ? 2 : 1;
2513	tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements);	tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements);
#	Line 1759  struct singleLine *  addLine(struct sing	Line 2531  struct singleLine *  addLine(struct sing
2531	if (!line->next && !prev) prev = line;	if (!line->next && !prev) prev = line;
2532	}	}
2533
2534	if (prev == entry->lines)	struct singleLine *menuEntry;
2535	tmpl.indent = defaultIndent ?: "";	menuEntry = getLineByType(LT_MENUENTRY, entry->lines);
2536	else	if (tmpl.type == LT_ENTRY_END) {
2537	tmpl.indent = prev->indent;	if (menuEntry)
2538		tmpl.indent = menuEntry->indent;
2539		else
2540		tmpl.indent = defaultIndent ?: "";
2541		} else if (tmpl.type != LT_MENUENTRY) {
2542		if (menuEntry)
2543		tmpl.indent = "\t";
2544		else if (prev == entry->lines)
2545		tmpl.indent = defaultIndent ?: "";
2546		else
2547		tmpl.indent = prev->indent;
2548		}
2549
2550	return addLineTmpl(entry, &tmpl, prev, val, cfi);	return addLineTmpl(entry, &tmpl, prev, val, cfi);
2551	}	}
#	Line 1789  void removeLine(struct singleEntry * ent	Line 2572  void removeLine(struct singleEntry * ent
2572	free(line);	free(line);
2573	}	}
2574
2575		static void requote(struct singleLine *tmplLine, struct configFileInfo * cfi)
2576		{
2577		struct singleLine newLine = {
2578		.indent = tmplLine->indent,
2579		.type = tmplLine->type,
2580		.next = tmplLine->next,
2581		};
2582		int firstQuotedItem = -1;
2583		int quoteLen = 0;
2584		int j;
2585		int element = 0;
2586		char *c;
2587
2588		c = malloc(strlen(tmplLine->elements[0].item) + 1);
2589		strcpy(c, tmplLine->elements[0].item);
2590		insertElement(&newLine, c, element++, cfi);
2591		free(c);
2592		c = NULL;
2593
2594		for (j = 1; j < tmplLine->numElements; j++) {
2595		if (firstQuotedItem == -1) {
2596		quoteLen += strlen(tmplLine->elements[j].item);
2597
2598		if (isquote(tmplLine->elements[j].item[0])) {
2599		firstQuotedItem = j;
2600		quoteLen += strlen(tmplLine->elements[j].indent);
2601		} else {
2602		c = malloc(quoteLen + 1);
2603		strcpy(c, tmplLine->elements[j].item);
2604		insertElement(&newLine, c, element++, cfi);
2605		free(c);
2606		quoteLen = 0;
2607		}
2608		} else {
2609		int itemlen = strlen(tmplLine->elements[j].item);
2610		quoteLen += itemlen;
2611		quoteLen += strlen(tmplLine->elements[j].indent);
2612
2613		if (isquote(tmplLine->elements[j].item[itemlen - 1])) {
2614		c = malloc(quoteLen + 1);
2615		c[0] = '\0';
2616		for (int i = firstQuotedItem; i < j+1; i++) {
2617		strcat(c, tmplLine->elements[i].item);
2618		strcat(c, tmplLine->elements[i].indent);
2619		}
2620		insertElement(&newLine, c, element++, cfi);
2621		free(c);
2622
2623		firstQuotedItem = -1;
2624		quoteLen = 0;
2625		}
2626		}
2627		}
2628		while (tmplLine->numElements)
2629		removeElement(tmplLine, 0);
2630		if (tmplLine->elements)
2631		free(tmplLine->elements);
2632
2633		tmplLine->numElements = newLine.numElements;
2634		tmplLine->elements = newLine.elements;
2635		}
2636
2637	static void insertElement(struct singleLine * line,	static void insertElement(struct singleLine * line,
2638	const char * item, int insertHere,	const char * item, int insertHere,
2639	struct configFileInfo * cfi)	struct configFileInfo * cfi)
#	Line 1895  int updateActualImage(struct grubConfig	Line 2740  int updateActualImage(struct grubConfig
2740	const char ** arg;	const char ** arg;
2741	int useKernelArgs, useRoot;	int useKernelArgs, useRoot;
2742	int firstElement;	int firstElement;
2743	int *usedElements, *usedArgs;	int *usedElements;
2744	int doreplace;	int doreplace;
2745
2746	if (!image) return 0;	if (!image) return 0;
#	Line 1930  int updateActualImage(struct grubConfig	Line 2775  int updateActualImage(struct grubConfig
2775	useRoot = (getKeywordByType(LT_ROOT, cfg->cfi)	useRoot = (getKeywordByType(LT_ROOT, cfg->cfi)
2776	&& !multibootArgs);	&& !multibootArgs);
2777
	for (k = 0, arg = newArgs; *arg; arg++, k++) ;
	usedArgs = calloc(k, sizeof(*usedArgs));
2778	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
2779
2780	if (multibootArgs && !entry->multiboot)	if (multibootArgs && !entry->multiboot)
#	Line 2008  int updateActualImage(struct grubConfig	Line 2850  int updateActualImage(struct grubConfig
2850	usedElements = calloc(line->numElements, sizeof(*usedElements));	usedElements = calloc(line->numElements, sizeof(*usedElements));
2851
2852	for (k = 0, arg = newArgs; *arg; arg++, k++) {	for (k = 0, arg = newArgs; *arg; arg++, k++) {
	if (usedArgs[k]) continue;
2853
2854	doreplace = 1;	doreplace = 1;
2855	for (i = firstElement; i < line->numElements; i++) {	for (i = firstElement; i < line->numElements; i++) {
#	Line 2023  int updateActualImage(struct grubConfig	Line 2864  int updateActualImage(struct grubConfig
2864	continue;	continue;
2865	if (!argMatch(line->elements[i].item, *arg)) {	if (!argMatch(line->elements[i].item, *arg)) {
2866	usedElements[i]=1;	usedElements[i]=1;
	usedArgs[k]=1;
2867	break;	break;
2868	}	}
2869	}	}
#	Line 2093  int updateActualImage(struct grubConfig	Line 2933  int updateActualImage(struct grubConfig
2933	}	}
2934	}	}
2935
	free(usedArgs);
2936	free(newArgs);	free(newArgs);
2937	free(oldArgs);	free(oldArgs);
2938
#	Line 2119  int updateImage(struct grubConfig * cfg,	Line 2958  int updateImage(struct grubConfig * cfg,
2958	return rc;	return rc;
2959	}	}
2960
2961		int updateInitrd(struct grubConfig * cfg, const char * image,
2962		const char * prefix, const char * initrd) {
2963		struct singleEntry * entry;
2964		struct singleLine * line, * kernelLine, *endLine = NULL;
2965		int index = 0;
2966
2967		if (!image) return 0;
2968
2969		for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
2970		kernelLine = getLineByType(LT_KERNEL, entry->lines);
2971		if (!kernelLine) continue;
2972
2973		line = getLineByType(LT_INITRD, entry->lines);
2974		if (line)
2975		removeLine(entry, line);
2976		if (prefix) {
2977		int prefixLen = strlen(prefix);
2978		if (!strncmp(initrd, prefix, prefixLen))
2979		initrd += prefixLen;
2980		}
2981		endLine = getLineByType(LT_ENTRY_END, entry->lines);
2982		if (endLine)
2983		removeLine(entry, endLine);
2984		line = addLine(entry, cfg->cfi, LT_INITRD, kernelLine->indent, initrd);
2985		if (!line)
2986		return 1;
2987		if (endLine) {
2988		line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL);
2989		if (!line)
2990		return 1;
2991		}
2992
2993		break;
2994		}
2995
2996		return 0;
2997		}
2998
2999	int checkDeviceBootloader(const char * device, const unsigned char * boot) {	int checkDeviceBootloader(const char * device, const unsigned char * boot) {
3000	int fd;	int fd;
3001	unsigned char bootSect[512];	unsigned char bootSect[512];
#	Line 2142  int checkDeviceBootloader(const char * d	Line 3019  int checkDeviceBootloader(const char * d
3019	if (memcmp(boot, bootSect, 3))	if (memcmp(boot, bootSect, 3))
3020	return 0;	return 0;
3021
3022	if (boot[1] == 0xeb) {	if (boot[1] == JMP_SHORT_OPCODE) {
3023	offset = boot[2] + 2;	offset = boot[2] + 2;
3024	} else if (boot[1] == 0xe8 || boot[1] == 0xe9) {	} else if (boot[1] == 0xe8 || boot[1] == 0xe9) {
3025	offset = (boot[3] << 8) + boot[2] + 2;	offset = (boot[3] << 8) + boot[2] + 2;
3026	} else if (boot[0] == 0xeb) {	} else if (boot[0] == JMP_SHORT_OPCODE) {
3027	offset = boot[1] + 2;	offset = boot[1] + 2;
3028		/*
3029		* it looks like grub, when copying stage1 into the mbr, patches stage1
3030		* right after the JMP location, replacing other instructions such as
3031		* JMPs for NOOPs. So, relax the check a little bit by skipping those
3032		* different bytes.
3033		*/
3034		if ((bootSect[offset + 1] == NOOP_OPCODE)
3035		&& (bootSect[offset + 2] == NOOP_OPCODE)) {
3036		offset = offset + 3;
3037		}
3038	} else if (boot[0] == 0xe8 || boot[0] == 0xe9) {	} else if (boot[0] == 0xe8 || boot[0] == 0xe9) {
3039	offset = (boot[2] << 8) + boot[1] + 2;	offset = (boot[2] << 8) + boot[1] + 2;
3040	} else {	} else {
#	Line 2289  int checkForLilo(struct grubConfig * con	Line 3176  int checkForLilo(struct grubConfig * con
3176	return checkDeviceBootloader(line->elements[1].item, boot);	return checkDeviceBootloader(line->elements[1].item, boot);
3177	}	}
3178
3179		int checkForGrub2(struct grubConfig * config) {
3180		if (!access("/etc/grub.d/", R_OK))
3181		return 2;
3182
3183		return 1;
3184		}
3185
3186	int checkForGrub(struct grubConfig * config) {	int checkForGrub(struct grubConfig * config) {
3187	int fd;	int fd;
3188	unsigned char bootSect[512];	unsigned char bootSect[512];
3189	char * boot;	char * boot;
3190		int onSuse = isSuseSystem();
3191
3192	if (parseSysconfigGrub(NULL, &boot))
3193	return 0;	if (onSuse) {
3194		if (parseSuseGrubConf(NULL, &boot))
3195		return 0;
3196		} else {
3197		if (parseSysconfigGrub(NULL, &boot))
3198		return 0;
3199		}
3200
3201	/* assume grub is not installed -- not an error condition */	/* assume grub is not installed -- not an error condition */
3202	if (!boot)	if (!boot)
#	Line 2314  int checkForGrub(struct grubConfig * con	Line 3215  int checkForGrub(struct grubConfig * con
3215	}	}
3216	close(fd);	close(fd);
3217
3218		/* The more elaborate checks do not work on SuSE. The checks done
3219		* seem to be reasonble (at least for now), so just return success
3220		*/
3221		if (onSuse)
3222		return 2;
3223
3224	return checkDeviceBootloader(boot, bootSect);	return checkDeviceBootloader(boot, bootSect);
3225	}	}
3226
#	Line 2347  int checkForExtLinux(struct grubConfig *	Line 3254  int checkForExtLinux(struct grubConfig *
3254	return checkDeviceBootloader(boot, bootSect);	return checkDeviceBootloader(boot, bootSect);
3255	}	}
3256
3257		int checkForYaboot(struct grubConfig * config) {
3258		/*
3259		* This is a simplistic check that we consider good enough for own puporses
3260		*
3261		* If we were to properly check if yaboot is *installed* we'd need to:
3262		* 1) get the system boot device (LT_BOOT)
3263		* 2) considering it's a raw filesystem, check if the yaboot binary matches
3264		*    the content on the boot device
3265		* 3) if not, copy the binary to a temporary file and run "addnote" on it
3266		* 4) check again if binary and boot device contents match
3267		*/
3268		if (!access("/etc/yaboot.conf", R_OK))
3269		return 2;
3270
3271		return 1;
3272		}
3273
3274		int checkForElilo(struct grubConfig * config) {
3275		if (!access("/etc/elilo.conf", R_OK))
3276		return 2;
3277
3278		return 1;
3279		}
3280
3281	static char * getRootSpecifier(char * str) {	static char * getRootSpecifier(char * str) {
3282	char * idx, * rootspec = NULL;	char * idx, * rootspec = NULL;
3283
#	Line 2361  static char * getRootSpecifier(char * st	Line 3292  static char * getRootSpecifier(char * st
3292	static char * getInitrdVal(struct grubConfig * config,	static char * getInitrdVal(struct grubConfig * config,
3293	const char * prefix, struct singleLine *tmplLine,	const char * prefix, struct singleLine *tmplLine,
3294	const char * newKernelInitrd,	const char * newKernelInitrd,
3295	char ** extraInitrds, int extraInitrdCount)	const char ** extraInitrds, int extraInitrdCount)
3296	{	{
3297	char *initrdVal, *end;	char *initrdVal, *end;
3298	int i;	int i;
#	Line 2406  static char * getInitrdVal(struct grubCo	Line 3337  static char * getInitrdVal(struct grubCo
3337
3338	int addNewKernel(struct grubConfig * config, struct singleEntry * template,	int addNewKernel(struct grubConfig * config, struct singleEntry * template,
3339	const char * prefix,	const char * prefix,
3340	char * newKernelPath, char * newKernelTitle,	const char * newKernelPath, const char * newKernelTitle,
3341	char * newKernelArgs, char * newKernelInitrd,	const char * newKernelArgs, const char * newKernelInitrd,
3342	char ** extraInitrds, int extraInitrdCount,	const char ** extraInitrds, int extraInitrdCount,
3343	char * newMBKernel, char * newMBKernelArgs) {	const char * newMBKernel, const char * newMBKernelArgs) {
3344	struct singleEntry * new;	struct singleEntry * new;
3345	struct singleLine * newLine = NULL, * tmplLine = NULL, * masterLine = NULL;	struct singleLine * newLine = NULL, * tmplLine = NULL, * masterLine = NULL;
3346	int needs;	int needs;
#	Line 2464  int addNewKernel(struct grubConfig * con	Line 3395  int addNewKernel(struct grubConfig * con
3395	if (*chptr == '#') continue;	if (*chptr == '#') continue;
3396
3397	if (tmplLine->type == LT_KERNEL &&	if (tmplLine->type == LT_KERNEL &&
3398	tmplLine->numElements >= 2) {	tmplLine->numElements >= 2) {
3399	if (!template->multiboot && (needs & NEED_MB)) {	if (!template->multiboot && (needs & NEED_MB)) {
3400	/* it's not a multiboot template and this is the kernel	/* it's not a multiboot template and this is the kernel
3401	* line.  Try to be intelligent about inserting the	* line.  Try to be intelligent about inserting the
#	Line 2590  int addNewKernel(struct grubConfig * con	Line 3521  int addNewKernel(struct grubConfig * con
3521	needs &= ~NEED_INITRD;	needs &= ~NEED_INITRD;
3522	}	}
3523
3524		} else if (tmplLine->type == LT_MENUENTRY &&
3525		(needs & NEED_TITLE)) {
3526		requote(tmplLine, config->cfi);
3527		char *nkt = malloc(strlen(newKernelTitle)+3);
3528		strcpy(nkt, "'");
3529		strcat(nkt, newKernelTitle);
3530		strcat(nkt, "'");
3531		newLine = addLineTmpl(new, tmplLine, newLine, nkt, config->cfi);
3532		free(nkt);
3533		needs &= ~NEED_TITLE;
3534	} else if (tmplLine->type == LT_TITLE &&	} else if (tmplLine->type == LT_TITLE &&
3535	(needs & NEED_TITLE)) {	(needs & NEED_TITLE)) {
3536	if (tmplLine->numElements >= 2) {	if (tmplLine->numElements >= 2) {
#	Line 2603  int addNewKernel(struct grubConfig * con	Line 3544  int addNewKernel(struct grubConfig * con
3544	tmplLine->indent, newKernelTitle);	tmplLine->indent, newKernelTitle);
3545	needs &= ~NEED_TITLE;	needs &= ~NEED_TITLE;
3546	}	}
3547		} else if (tmplLine->type == LT_ECHO) {
3548		requote(tmplLine, config->cfi);
3549		static const char *prefix = "'Loading ";
3550		if (tmplLine->numElements > 1 &&
3551		strstr(tmplLine->elements[1].item, prefix) &&
3552		masterLine->next && masterLine->next->type == LT_KERNEL) {
3553		char *newTitle = malloc(strlen(prefix) +
3554		strlen(newKernelTitle) + 2);
3555
3556		strcpy(newTitle, prefix);
3557		strcat(newTitle, newKernelTitle);
3558		strcat(newTitle, "'");
3559		newLine = addLine(new, config->cfi, LT_ECHO,
3560		tmplLine->indent, newTitle);
3561		free(newTitle);
3562		} else {
3563		/* pass through other lines from the template */
3564		newLine = addLineTmpl(new, tmplLine, newLine, NULL,
3565		config->cfi);
3566		}
3567	} else {	} else {
3568	/* pass through other lines from the template */	/* pass through other lines from the template */
3569	newLine = addLineTmpl(new, tmplLine, newLine, NULL, config->cfi);	newLine = addLineTmpl(new, tmplLine, newLine, NULL, config->cfi);
#	Line 2614  int addNewKernel(struct grubConfig * con	Line 3574  int addNewKernel(struct grubConfig * con
3574	/* don't have a template, so start the entry with the	/* don't have a template, so start the entry with the
3575	* appropriate starting line	* appropriate starting line
3576	*/	*/
3577	switch (config->cfi->entrySeparator) {	switch (config->cfi->entryStart) {
3578	case LT_KERNEL:	case LT_KERNEL:
3579	if (new->multiboot && config->cfi->mbHyperFirst) {	if (new->multiboot && config->cfi->mbHyperFirst) {
3580	/* fall through to LT_HYPER */	/* fall through to LT_HYPER */
#	Line 2633  int addNewKernel(struct grubConfig * con	Line 3593  int addNewKernel(struct grubConfig * con
3593	needs &= ~NEED_MB;	needs &= ~NEED_MB;
3594	break;	break;
3595
3596		case LT_MENUENTRY: {
3597		char *nkt = malloc(strlen(newKernelTitle)+3);
3598		strcpy(nkt, "'");
3599		strcat(nkt, newKernelTitle);
3600		strcat(nkt, "'");
3601		newLine = addLine(new, config->cfi, LT_MENUENTRY,
3602		config->primaryIndent, nkt);
3603		free(nkt);
3604		needs &= ~NEED_TITLE;
3605		needs |= NEED_END;
3606		break;
3607		}
3608	case LT_TITLE:	case LT_TITLE:
3609	if( useextlinuxmenu != 0 ){ // We just need useextlinuxmenu to not be zero (set above)	if( useextlinuxmenu != 0 ){ // We just need useextlinuxmenu to not be zero (set above)
3610	char * templabel;	char * templabel;
#	Line 2666  int addNewKernel(struct grubConfig * con	Line 3638  int addNewKernel(struct grubConfig * con
3638
3639	/* add the remainder of the lines, i.e. those that either	/* add the remainder of the lines, i.e. those that either
3640	* 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,
3641	* all the lines following the entrySeparator.	* all the lines following the entryStart.
3642	*/	*/
3643	if (needs & NEED_TITLE) {	if (needs & NEED_TITLE) {
3644	newLine = addLine(new, config->cfi, LT_TITLE,	newLine = addLine(new, config->cfi, LT_TITLE,
#	Line 2707  int addNewKernel(struct grubConfig * con	Line 3679  int addNewKernel(struct grubConfig * con
3679	free(initrdVal);	free(initrdVal);
3680	needs &= ~NEED_INITRD;	needs &= ~NEED_INITRD;
3681	}	}
3682		if (needs & NEED_END) {
3683		newLine = addLine(new, config->cfi, LT_ENTRY_END,
3684		config->secondaryIndent, NULL);
3685		needs &= ~NEED_END;
3686		}
3687
3688	if (needs) {	if (needs) {
3689	printf(_("grubby: needs=%d, aborting\n"), needs);	printf(_("grubby: needs=%d, aborting\n"), needs);
#	Line 2736  static void traceback(int signum)	Line 3713  static void traceback(int signum)
3713
3714	int main(int argc, const char ** argv) {	int main(int argc, const char ** argv) {
3715	poptContext optCon;	poptContext optCon;
3716	char * grubConfig = NULL;	const char * grubConfig = NULL;
3717	char * outputFile = NULL;	char * outputFile = NULL;
3718	int arg = 0;	int arg = 0;
3719	int flags = 0;	int flags = 0;
3720	int badImageOkay = 0;	int badImageOkay = 0;
3721		int configureGrub2 = 0;
3722	int configureLilo = 0, configureELilo = 0, configureGrub = 0;	int configureLilo = 0, configureELilo = 0, configureGrub = 0;
3723	int configureYaboot = 0, configureSilo = 0, configureZipl = 0;	int configureYaboot = 0, configureSilo = 0, configureZipl = 0;
3724	int configureExtLinux = 0;	int configureExtLinux = 0;
#	Line 2768  int main(int argc, const char ** argv) {	Line 3746  int main(int argc, const char ** argv) {
3746	struct singleEntry * template = NULL;	struct singleEntry * template = NULL;
3747	int copyDefault = 0, makeDefault = 0;	int copyDefault = 0, makeDefault = 0;
3748	int displayDefault = 0;	int displayDefault = 0;
3749		int displayDefaultIndex = 0;
3750		int displayDefaultTitle = 0;
3751		int defaultIndex = -1;
3752	struct poptOption options[] = {	struct poptOption options[] = {
3753	{ "add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0,	{ "add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0,
3754	_("add an entry for the specified kernel"), _("kernel-path") },	_("add an entry for the specified kernel"), _("kernel-path") },
#	Line 2785  int main(int argc, const char ** argv) {	Line 3766  int main(int argc, const char ** argv) {
3766	{ "boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0,	{ "boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0,
3767	_("filestystem which contains /boot directory (for testing only)"),	_("filestystem which contains /boot directory (for testing only)"),
3768	_("bootfs") },	_("bootfs") },
3769	#if defined(__i386__) || defined(__x86_64__)	#if defined(__i386__) || defined(__x86_64__) || defined (__powerpc64__) || defined (__ia64__)
3770	{ "bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0,	{ "bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0,
3771	_("check if lilo is installed on lilo.conf boot sector") },	_("check which bootloader is installed on boot sector") },
3772	#endif	#endif
3773	{ "config-file", 'c', POPT_ARG_STRING, &grubConfig, 0,	{ "config-file", 'c', POPT_ARG_STRING, &grubConfig, 0,
3774	_("path to grub config file to update (\"-\" for stdin)"),	_("path to grub config file to update (\"-\" for stdin)"),
#	Line 2798  int main(int argc, const char ** argv) {	Line 3779  int main(int argc, const char ** argv) {
3779	"the kernel referenced by the default image does not exist, "	"the kernel referenced by the default image does not exist, "
3780	"the first linux entry whose kernel does exist is used as the "	"the first linux entry whose kernel does exist is used as the "
3781	"template"), NULL },	"template"), NULL },
3782		{ "debug", 0, 0, &debug, 0,
3783		_("print debugging information for failures") },
3784	{ "default-kernel", 0, 0, &displayDefault, 0,	{ "default-kernel", 0, 0, &displayDefault, 0,
3785	_("display the path of the default kernel") },	_("display the path of the default kernel") },
3786		{ "default-index", 0, 0, &displayDefaultIndex, 0,
3787		_("display the index of the default kernel") },
3788		{ "default-title", 0, 0, &displayDefaultTitle, 0,
3789		_("display the title of the default kernel") },
3790	{ "elilo", 0, POPT_ARG_NONE, &configureELilo, 0,	{ "elilo", 0, POPT_ARG_NONE, &configureELilo, 0,
3791	_("configure elilo bootloader") },	_("configure elilo bootloader") },
3792	{ "extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0,	{ "extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0,
3793	_("configure extlinux bootloader (from syslinux)") },	_("configure extlinux bootloader (from syslinux)") },
3794	{ "grub", 0, POPT_ARG_NONE, &configureGrub, 0,	{ "grub", 0, POPT_ARG_NONE, &configureGrub, 0,
3795	_("configure grub bootloader") },	_("configure grub bootloader") },
3796		{ "grub2", 0, POPT_ARG_NONE, &configureGrub2, 0,
3797		_("configure grub2 bootloader") },
3798	{ "info", 0, POPT_ARG_STRING, &kernelInfo, 0,	{ "info", 0, POPT_ARG_STRING, &kernelInfo, 0,
3799	_("display boot information for specified kernel"),	_("display boot information for specified kernel"),
3800	_("kernel-path") },	_("kernel-path") },
#	Line 2832  int main(int argc, const char ** argv) {	Line 3821  int main(int argc, const char ** argv) {
3821	{ "set-default", 0, POPT_ARG_STRING, &defaultKernel, 0,	{ "set-default", 0, POPT_ARG_STRING, &defaultKernel, 0,
3822	_("make the first entry referencing the specified kernel "	_("make the first entry referencing the specified kernel "
3823	"the default"), _("kernel-path") },	"the default"), _("kernel-path") },
3824		{ "set-default-index", 0, POPT_ARG_INT, &defaultIndex, 0,
3825		_("make the given entry index the default entry"),
3826		_("entry-index") },
3827	{ "silo", 0, POPT_ARG_NONE, &configureSilo, 0,	{ "silo", 0, POPT_ARG_NONE, &configureSilo, 0,
3828	_("configure silo bootloader") },	_("configure silo bootloader") },
3829	{ "title", 0, POPT_ARG_STRING, &newKernelTitle, 0,	{ "title", 0, POPT_ARG_STRING, &newKernelTitle, 0,
#	Line 2885  int main(int argc, const char ** argv) {	Line 3877  int main(int argc, const char ** argv) {
3877	return 1;	return 1;
3878	}	}
3879
3880	if ((configureLilo + configureGrub + configureELilo +	if ((configureLilo + configureGrub2 + configureGrub + configureELilo +
3881	configureYaboot + configureSilo + configureZipl +	configureYaboot + configureSilo + configureZipl +
3882	configureExtLinux ) > 1) {	configureExtLinux ) > 1) {
3883	fprintf(stderr, _("grubby: cannot specify multiple bootloaders\n"));	fprintf(stderr, _("grubby: cannot specify multiple bootloaders\n"));
#	Line 2894  int main(int argc, const char ** argv) {	Line 3886  int main(int argc, const char ** argv) {
3886	fprintf(stderr,	fprintf(stderr,
3887	_("grubby: cannot specify config file with --bootloader-probe\n"));	_("grubby: cannot specify config file with --bootloader-probe\n"));
3888	return 1;	return 1;
3889		} else if (configureGrub2) {
3890		cfi = &grub2ConfigType;
3891	} else if (configureLilo) {	} else if (configureLilo) {
3892	cfi = &liloConfigType;	cfi = &liloConfigType;
3893	} else if (configureGrub) {	} else if (configureGrub) {
#	Line 2912  int main(int argc, const char ** argv) {	Line 3906  int main(int argc, const char ** argv) {
3906	}	}
3907
3908	if (!cfi) {	if (!cfi) {
3909		if (grub2FindConfig(&grub2ConfigType))
3910		cfi = &grub2ConfigType;
3911		else
3912	#ifdef __ia64__	#ifdef __ia64__
3913	cfi = &eliloConfigType;	cfi = &eliloConfigType;
3914	#elif __powerpc__	#elif __powerpc__
3915	cfi = &yabootConfigType;	cfi = &yabootConfigType;
3916	#elif __sparc__	#elif __sparc__
3917	cfi = &siloConfigType;	cfi = &siloConfigType;
3918	#elif __s390__	#elif __s390__
3919	cfi = &ziplConfigType;	cfi = &ziplConfigType;
3920	#elif __s390x__	#elif __s390x__
3921	cfi = &ziplConfigtype;	cfi = &ziplConfigtype;
3922	#else	#else
3923	cfi = &grubConfigType;	cfi = &grubConfigType;
3924	#endif	#endif
3925	}	}
3926
3927	if (!grubConfig)	if (!grubConfig) {
3928	grubConfig = cfi->defaultConfig;	if (cfi->findConfig)
3929		grubConfig = cfi->findConfig(cfi);
3930		if (!grubConfig)
3931		grubConfig = cfi->defaultConfig;
3932		}
3933
3934	if (bootloaderProbe && (displayDefault || kernelInfo || newKernelVersion ||	if (bootloaderProbe && (displayDefault || kernelInfo || newKernelVersion ||
3935	newKernelPath || removeKernelPath || makeDefault ||	newKernelPath || removeKernelPath || makeDefault ||
3936	defaultKernel)) {	defaultKernel || displayDefaultIndex || displayDefaultTitle ||
3937		(defaultIndex >= 0))) {
3938	fprintf(stderr, _("grubby: --bootloader-probe may not be used with "	fprintf(stderr, _("grubby: --bootloader-probe may not be used with "
3939	"specified option"));	"specified option"));
3940	return 1;	return 1;
#	Line 2948  int main(int argc, const char ** argv) {	Line 3950  int main(int argc, const char ** argv) {
3950	if (newKernelPath && !newKernelTitle) {	if (newKernelPath && !newKernelTitle) {
3951	fprintf(stderr, _("grubby: kernel title must be specified\n"));	fprintf(stderr, _("grubby: kernel title must be specified\n"));
3952	return 1;	return 1;
3953	} else if (!newKernelPath && (newKernelTitle  || newKernelInitrd ||	} else if (!newKernelPath && (newKernelTitle  || copyDefault ||
3954	newKernelInitrd || copyDefault     ||	(newKernelInitrd && !updateKernelPath)||
3955	makeDefault || extraInitrdCount > 0)) {	makeDefault || extraInitrdCount > 0)) {
3956	fprintf(stderr, _("grubby: kernel path expected\n"));	fprintf(stderr, _("grubby: kernel path expected\n"));
3957	return 1;	return 1;
#	Line 2974  int main(int argc, const char ** argv) {	Line 3976  int main(int argc, const char ** argv) {
3976	makeDefault = 1;	makeDefault = 1;
3977	defaultKernel = NULL;	defaultKernel = NULL;
3978	}	}
3979		else if (defaultKernel && (defaultIndex >= 0)) {
3980		fprintf(stderr, _("grubby: --set-default and --set-default-index "
3981		"may not be used together\n"));
3982		return 1;
3983		}
3984
3985	if (!strcmp(grubConfig, "-") && !outputFile) {	if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) {
3986	fprintf(stderr, _("grubby: output file must be specified if stdin "	fprintf(stderr, _("grubby: output file must be specified if stdin "
3987	"is used\n"));	"is used\n"));
3988	return 1;	return 1;
3989	}	}
3990
3991	if (!removeKernelPath && !newKernelPath && !displayDefault && !defaultKernel	if (!removeKernelPath && !newKernelPath && !displayDefault && !defaultKernel
3992	&& !kernelInfo && !bootloaderProbe && !updateKernelPath	&& !kernelInfo && !bootloaderProbe && !updateKernelPath
3993	&& !removeMBKernel) {	&& !removeMBKernel && !displayDefaultIndex && !displayDefaultTitle
3994		&& (defaultIndex == -1)) {
3995	fprintf(stderr, _("grubby: no action specified\n"));	fprintf(stderr, _("grubby: no action specified\n"));
3996	return 1;	return 1;
3997	}	}
#	Line 3010  int main(int argc, const char ** argv) {	Line 4018  int main(int argc, const char ** argv) {
4018	}	}
4019
4020	if (bootloaderProbe) {	if (bootloaderProbe) {
4021	int lrc = 0, grc = 0, erc = 0;	int lrc = 0, grc = 0, gr2c = 0, extrc = 0, yrc = 0, erc = 0;
4022	struct grubConfig * lconfig, * gconfig;	struct grubConfig * lconfig, * gconfig, * yconfig, * econfig;
4023
4024		const char *grub2config = grub2FindConfig(&grub2ConfigType);
4025		if (grub2config) {
4026		gconfig = readConfig(grub2config, &grub2ConfigType);
4027		if (!gconfig)
4028		gr2c = 1;
4029		else
4030		gr2c = checkForGrub2(gconfig);
4031		}
4032
4033	if (!access(grubConfigType.defaultConfig, F_OK)) {	const char *grubconfig = grubFindConfig(&grubConfigType);
4034	gconfig = readConfig(grubConfigType.defaultConfig, &grubConfigType);	if (!access(grubconfig, F_OK)) {
4035		gconfig = readConfig(grubconfig, &grubConfigType);
4036	if (!gconfig)	if (!gconfig)
4037	grc = 1;	grc = 1;
4038	else	else
#	Line 3029  int main(int argc, const char ** argv) {	Line 4047  int main(int argc, const char ** argv) {
4047	lrc = checkForLilo(lconfig);	lrc = checkForLilo(lconfig);
4048	}	}
4049
4050		if (!access(eliloConfigType.defaultConfig, F_OK)) {
4051		econfig = readConfig(eliloConfigType.defaultConfig,
4052		&eliloConfigType);
4053		if (!econfig)
4054		erc = 1;
4055		else
4056		erc = checkForElilo(econfig);
4057		}
4058
4059	if (!access(extlinuxConfigType.defaultConfig, F_OK)) {	if (!access(extlinuxConfigType.defaultConfig, F_OK)) {
4060	lconfig = readConfig(extlinuxConfigType.defaultConfig, &extlinuxConfigType);	lconfig = readConfig(extlinuxConfigType.defaultConfig, &extlinuxConfigType);
4061	if (!lconfig)	if (!lconfig)
4062	erc = 1;	extrc = 1;
4063	else	else
4064	erc = checkForExtLinux(lconfig);	extrc = checkForExtLinux(lconfig);
4065	}	}
4066
4067	if (lrc == 1 || grc == 1) return 1;
4068		if (!access(yabootConfigType.defaultConfig, F_OK)) {
4069		yconfig = readConfig(yabootConfigType.defaultConfig,
4070		&yabootConfigType);
4071		if (!yconfig)
4072		yrc = 1;
4073		else
4074		yrc = checkForYaboot(yconfig);
4075		}
4076
4077		if (lrc == 1 || grc == 1 || gr2c == 1 || extrc == 1 || yrc == 1 ||
4078		erc == 1)
4079		return 1;
4080
4081	if (lrc == 2) printf("lilo\n");	if (lrc == 2) printf("lilo\n");
4082		if (gr2c == 2) printf("grub2\n");
4083	if (grc == 2) printf("grub\n");	if (grc == 2) printf("grub\n");
4084	if (erc == 2) printf("extlinux\n");	if (extrc == 2) printf("extlinux\n");
4085		if (yrc == 2) printf("yaboot\n");
4086		if (erc == 2) printf("elilo\n");
4087
4088	return 0;	return 0;
4089	}	}
#	Line 3067  int main(int argc, const char ** argv) {	Line 4109  int main(int argc, const char ** argv) {
4109	((rootspec != NULL) ? strlen(rootspec) : 0));	((rootspec != NULL) ? strlen(rootspec) : 0));
4110
4111	return 0;	return 0;
4112
4113		} else if (displayDefaultTitle) {
4114		struct singleLine * line;
4115		struct singleEntry * entry;
4116
4117		if (config->defaultImage == -1) return 0;
4118		entry = findEntryByIndex(config, config->defaultImage);
4119		if (!entry) return 0;
4120
4121		if (!configureGrub2) {
4122		line = getLineByType(LT_TITLE, entry->lines);
4123		if (!line) return 0;
4124		printf("%s\n", line->elements[1].item);
4125
4126		} else {
4127		char * title;
4128
4129		dbgPrintf("This is GRUB2, default title is embeded in menuentry\n");
4130		line = getLineByType(LT_MENUENTRY, entry->lines);
4131		if (!line) return 0;
4132		title = grub2ExtractTitle(line);
4133		if (title)
4134		printf("%s\n", title);
4135		}
4136		return 0;
4137
4138		} else if (displayDefaultIndex) {
4139		if (config->defaultImage == -1) return 0;
4140		printf("%i\n", config->defaultImage);
4141
4142	} else if (kernelInfo)	} else if (kernelInfo)
4143	return displayInfo(config, kernelInfo, bootPrefix);	return displayInfo(config, kernelInfo, bootPrefix);
4144
#	Line 3078  int main(int argc, const char ** argv) {	Line 4150  int main(int argc, const char ** argv) {
4150	markRemovedImage(config, removeKernelPath, bootPrefix);	markRemovedImage(config, removeKernelPath, bootPrefix);
4151	markRemovedImage(config, removeMBKernel, bootPrefix);	markRemovedImage(config, removeMBKernel, bootPrefix);
4152	setDefaultImage(config, newKernelPath != NULL, defaultKernel, makeDefault,	setDefaultImage(config, newKernelPath != NULL, defaultKernel, makeDefault,
4153	bootPrefix, flags);	bootPrefix, flags, defaultIndex);
4154	setFallbackImage(config, newKernelPath != NULL);	setFallbackImage(config, newKernelPath != NULL);
4155	if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs,	if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs,
4156	removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1;	removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1;
4157		if (updateKernelPath && newKernelInitrd) {
4158		if (updateInitrd(config, updateKernelPath, bootPrefix,
4159		newKernelInitrd)) return 1;
4160		}
4161	if (addNewKernel(config, template, bootPrefix, newKernelPath,	if (addNewKernel(config, template, bootPrefix, newKernelPath,
4162	newKernelTitle, newKernelArgs, newKernelInitrd,	newKernelTitle, newKernelArgs, newKernelInitrd,
4163	extraInitrds, extraInitrdCount,	(const char **)extraInitrds, extraInitrdCount,
4164	newMBKernel, newMBKernelArgs)) return 1;	newMBKernel, newMBKernelArgs)) return 1;
4165
4166
#	Line 3095  int main(int argc, const char ** argv) {	Line 4171  int main(int argc, const char ** argv) {
4171	}	}
4172
4173	if (!outputFile)	if (!outputFile)
4174	outputFile = grubConfig;	outputFile = (char *)grubConfig;
4175
4176	return writeConfig(config, outputFile, bootPrefix);	return writeConfig(config, outputFile, bootPrefix);
4177	}	}

---

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Legend: Removed from v.926   changed lines   Added in v.1868