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 1940 by niro, Mon Oct 1 12:39:50 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		int isEfi = 0;
60
61	/* comments get lumped in with indention */	/* comments get lumped in with indention */
62	struct lineElement {	struct lineElement {
63	char * item;	char * item;
#	Line 56  struct lineElement {	Line 65  struct lineElement {
65	};	};
66
67	enum lineType_e {	enum lineType_e {
68	LT_WHITESPACE = 1 << 0,	LT_WHITESPACE   = 1 << 0,
69	LT_TITLE      = 1 << 1,	LT_TITLE        = 1 << 1,
70	LT_KERNEL     = 1 << 2,	LT_KERNEL       = 1 << 2,
71	LT_INITRD     = 1 << 3,	LT_INITRD       = 1 << 3,
72	LT_HYPER      = 1 << 4,	LT_HYPER        = 1 << 4,
73	LT_DEFAULT    = 1 << 5,	LT_DEFAULT      = 1 << 5,
74	LT_MBMODULE   = 1 << 6,	LT_MBMODULE     = 1 << 6,
75	LT_ROOT       = 1 << 7,	LT_ROOT         = 1 << 7,
76	LT_FALLBACK   = 1 << 8,	LT_FALLBACK     = 1 << 8,
77	LT_KERNELARGS = 1 << 9,	LT_KERNELARGS   = 1 << 9,
78	LT_BOOT       = 1 << 10,	LT_BOOT         = 1 << 10,
79	LT_BOOTROOT   = 1 << 11,	LT_BOOTROOT     = 1 << 11,
80	LT_LBA        = 1 << 12,	LT_LBA          = 1 << 12,
81	LT_OTHER      = 1 << 13,	LT_OTHER        = 1 << 13,
82	LT_GENERIC    = 1 << 14,	LT_GENERIC      = 1 << 14,
83	LT_UNKNOWN    = 1 << 15,	LT_ECHO    = 1 << 16,
84		LT_MENUENTRY    = 1 << 17,
85		LT_ENTRY_END    = 1 << 18,
86		LT_SET_VARIABLE = 1 << 19,
87		LT_KERNEL_EFI   = 1 << 20,
88		LT_INITRD_EFI   = 1 << 21,
89		LT_UNKNOWN      = 1 << 22,
90	};	};
91
92	struct singleLine {	struct singleLine {
#	Line 99  struct singleEntry {	Line 114  struct singleEntry {
114	#define NEED_TITLE   (1 << 2)	#define NEED_TITLE   (1 << 2)
115	#define NEED_ARGS    (1 << 3)	#define NEED_ARGS    (1 << 3)
116	#define NEED_MB      (1 << 4)	#define NEED_MB      (1 << 4)
117		#define NEED_END     (1 << 5)
118
119	#define MAIN_DEFAULT    (1 << 0)	#define MAIN_DEFAULT    (1 << 0)
120	#define DEFAULT_SAVED       -2	#define DEFAULT_SAVED       -2
121		#define DEFAULT_SAVED_GRUB2 -3
122
123	struct keywordTypes {	struct keywordTypes {
124	char * key;	char * key;
#	Line 110  struct keywordTypes {	Line 127  struct keywordTypes {
127	char separatorChar;	char separatorChar;
128	};	};
129
130		struct configFileInfo;
131
132		typedef const char *(*findConfigFunc)(struct configFileInfo *);
133		typedef const int (*writeLineFunc)(struct configFileInfo *,
134		struct singleLine *line);
135
136	struct configFileInfo {	struct configFileInfo {
137	char * defaultConfig;	char * defaultConfig;
138		findConfigFunc findConfig;
139		writeLineFunc writeLine;
140	struct keywordTypes * keywords;	struct keywordTypes * keywords;
141	int defaultIsIndex;	int defaultIsIndex;
142		int defaultIsVariable;
143	int defaultSupportSaved;	int defaultSupportSaved;
144	enum lineType_e entrySeparator;	enum lineType_e entryStart;
145		enum lineType_e entryEnd;
146	int needsBootPrefix;	int needsBootPrefix;
147	int argsInQuotes;	int argsInQuotes;
148	int maxTitleLength;	int maxTitleLength;
149	int titleBracketed;	int titleBracketed;
150		int titlePosition;
151	int mbHyperFirst;	int mbHyperFirst;
152	int mbInitRdIsModule;	int mbInitRdIsModule;
153	int mbConcatArgs;	int mbConcatArgs;
#	Line 138  struct keywordTypes grubKeywords[] = {	Line 166  struct keywordTypes grubKeywords[] = {
166	{ NULL,    0, 0 },	{ NULL,    0, 0 },
167	};	};
168
169		const char *grubFindConfig(struct configFileInfo *cfi) {
170		static const char *configFiles[] = {
171		"/boot/grub/grub.conf",
172		"/boot/grub/menu.lst",
173		"/etc/grub.conf",
174		NULL
175		};
176		static int i = -1;
177
178		if (i == -1) {
179		for (i = 0; configFiles[i] != NULL; i++) {
180		dbgPrintf("Checking \"%s\": ", configFiles[i]);
181		if (!access(configFiles[i], R_OK)) {
182		dbgPrintf("found\n");
183		return configFiles[i];
184		}
185		dbgPrintf("not found\n");
186		}
187		}
188		return configFiles[i];
189		}
190
191	struct configFileInfo grubConfigType = {	struct configFileInfo grubConfigType = {
192	"/boot/grub/grub.conf",    /* defaultConfig */	.findConfig = grubFindConfig,
193	grubKeywords,    /* keywords */	.keywords = grubKeywords,
194	1,    /* defaultIsIndex */	.defaultIsIndex = 1,
195	1,    /* defaultSupportSaved */	.defaultSupportSaved = 1,
196	LT_TITLE,    /* entrySeparator */	.entryStart = LT_TITLE,
197	1,    /* needsBootPrefix */	.needsBootPrefix = 1,
198	0,    /* argsInQuotes */	.mbHyperFirst = 1,
199	0,    /* maxTitleLength */	.mbInitRdIsModule = 1,
200	0,                                      /* titleBracketed */	.mbAllowExtraInitRds = 1,
201	1,                                      /* mbHyperFirst */	};
202	1,                                      /* mbInitRdIsModule */
203	0,                                      /* mbConcatArgs */	struct keywordTypes grub2Keywords[] = {
204	1,                                      /* mbAllowExtraInitRds */	{ "menuentry",  LT_MENUENTRY,   ' ' },
205		{ "}",          LT_ENTRY_END,   ' ' },
206		{ "echo",       LT_ECHO,        ' ' },
207		{ "set",        LT_SET_VARIABLE,' ', '=' },
208		{ "root",       LT_BOOTROOT,    ' ' },
209		{ "default",    LT_DEFAULT,     ' ' },
210		{ "fallback",   LT_FALLBACK,    ' ' },
211		{ "linux",      LT_KERNEL,      ' ' },
212		{ "linuxefi",   LT_KERNEL_EFI,  ' ' },
213		{ "initrd",     LT_INITRD,      ' ', ' ' },
214		{ "initrdefi",  LT_INITRD_EFI,  ' ', ' ' },
215		{ "module",     LT_MBMODULE,    ' ' },
216		{ "kernel",     LT_HYPER,       ' ' },
217		{ NULL, 0, 0 },
218		};
219
220		const char *grub2FindConfig(struct configFileInfo *cfi) {
221		static const char *configFiles[] = {
222		"/boot/grub/grub-efi.cfg",
223		"/boot/grub/grub.cfg",
224		NULL
225		};
226		static int i = -1;
227		static const char *grub_cfg = "/boot/grub/grub.cfg";
228
229		if (i == -1) {
230		for (i = 0; configFiles[i] != NULL; i++) {
231		dbgPrintf("Checking \"%s\": ", configFiles[i]);
232		if (!access(configFiles[i], R_OK)) {
233		dbgPrintf("found\n");
234		return configFiles[i];
235		}
236		}
237		}
238
239		/* Ubuntu renames grub2 to grub, so check for the grub.d directory
240		* that isn't in grub1, and if it exists, return the config file path
241		* that they use. */
242		if (configFiles[i] == NULL && !access("/etc/grub.d/", R_OK)) {
243		dbgPrintf("found\n");
244		return grub_cfg;
245		}
246
247		dbgPrintf("not found\n");
248		return configFiles[i];
249		}
250
251		int sizeOfSingleLine(struct singleLine * line) {
252		int count = 0;
253
254		for (int i = 0; i < line->numElements; i++) {
255		int indentSize = 0;
256
257		count = count + strlen(line->elements[i].item);
258
259		indentSize = strlen(line->elements[i].indent);
260		if (indentSize > 0)
261		count = count + indentSize;
262		else
263		/* be extra safe and add room for whitespaces */
264		count = count + 1;
265		}
266
267		/* room for trailing terminator */
268		count = count + 1;
269
270		return count;
271		}
272
273		static int isquote(char q)
274		{
275		if (q == '\'' || q == '\"')
276		return 1;
277		return 0;
278		}
279
280		static int iskernel(enum lineType_e type) {
281		return (type == LT_KERNEL || type == LT_KERNEL_EFI);
282		}
283
284		static int isinitrd(enum lineType_e type) {
285		return (type == LT_INITRD || type == LT_INITRD_EFI);
286		}
287
288		char *grub2ExtractTitle(struct singleLine * line) {
289		char * current;
290		char * current_indent;
291		int current_len;
292		int current_indent_len;
293		int i;
294
295		/* bail out if line does not start with menuentry */
296		if (strcmp(line->elements[0].item, "menuentry"))
297		return NULL;
298
299		i = 1;
300		current = line->elements[i].item;
301		current_len = strlen(current);
302
303		/* if second word is quoted, strip the quotes and return single word */
304		if (isquote(*current) && isquote(current[current_len - 1])) {
305		char *tmp;
306
307		tmp = strdup(current);
308		*(tmp + current_len - 1) = '\0';
309		return ++tmp;
310		}
311
312		/* if no quotes, return second word verbatim */
313		if (!isquote(*current))
314		return current;
315
316		/* second element start with a quote, so we have to find the element
317		* whose last character is also quote (assuming it's the closing one) */
318		int resultMaxSize;
319		char * result;
320
321		resultMaxSize = sizeOfSingleLine(line);
322		result = malloc(resultMaxSize);
323		snprintf(result, resultMaxSize, "%s", ++current);
324
325		i++;
326		for (; i < line->numElements; ++i) {
327		current = line->elements[i].item;
328		current_len = strlen(current);
329		current_indent = line->elements[i].indent;
330		current_indent_len = strlen(current_indent);
331
332		strncat(result, current_indent, current_indent_len);
333		if (!isquote(current[current_len-1])) {
334		strncat(result, current, current_len);
335		} else {
336		strncat(result, current, current_len - 1);
337		break;
338		}
339		}
340		return result;
341		}
342
343		struct configFileInfo grub2ConfigType = {
344		.findConfig = grub2FindConfig,
345		.keywords = grub2Keywords,
346		.defaultIsIndex = 1,
347		.defaultSupportSaved = 1,
348		.defaultIsVariable = 1,
349		.entryStart = LT_MENUENTRY,
350		.entryEnd = LT_ENTRY_END,
351		.titlePosition = 1,
352		.needsBootPrefix = 1,
353		.mbHyperFirst = 1,
354		.mbInitRdIsModule = 1,
355		.mbAllowExtraInitRds = 1,
356	};	};
357
358	struct keywordTypes yabootKeywords[] = {	struct keywordTypes yabootKeywords[] = {
#	Line 249  struct keywordTypes extlinuxKeywords[] =	Line 450  struct keywordTypes extlinuxKeywords[] =
450	};	};
451	int useextlinuxmenu;	int useextlinuxmenu;
452	struct configFileInfo eliloConfigType = {	struct configFileInfo eliloConfigType = {
453	"/boot/efi/EFI/redhat/elilo.conf",    /* defaultConfig */	.defaultConfig = "/boot/efi/EFI/redhat/elilo.conf",
454	eliloKeywords,    /* keywords */	.keywords = eliloKeywords,
455	0,    /* defaultIsIndex */	.entryStart = LT_KERNEL,
456	0,    /* defaultSupportSaved */	.needsBootPrefix = 1,
457	LT_KERNEL,    /* entrySeparator */	.argsInQuotes = 1,
458	1,                    /* needsBootPrefix */	.mbConcatArgs = 1,
	1,    /* argsInQuotes */
	0,    /* maxTitleLength */
	0,                                      /* titleBracketed */
	0,                                      /* mbHyperFirst */
	0,                                      /* mbInitRdIsModule */
	1,                                      /* mbConcatArgs */
	0,                                      /* mbAllowExtraInitRds */
459	};	};
460
461	struct configFileInfo liloConfigType = {	struct configFileInfo liloConfigType = {
462	"/etc/lilo.conf",    /* defaultConfig */	.defaultConfig = "/etc/lilo.conf",
463	liloKeywords,    /* keywords */	.keywords = liloKeywords,
464	0,    /* defaultIsIndex */	.entryStart = LT_KERNEL,
465	0,    /* defaultSupportSaved */	.argsInQuotes = 1,
466	LT_KERNEL,    /* entrySeparator */	.maxTitleLength = 15,
	0,    /* needsBootPrefix */
	1,    /* argsInQuotes */
	15,    /* maxTitleLength */
	0,                                      /* titleBracketed */
	0,                                      /* mbHyperFirst */
	0,                                      /* mbInitRdIsModule */
	0,                                      /* mbConcatArgs */
	0,                                      /* mbAllowExtraInitRds */
467	};	};
468
469	struct configFileInfo yabootConfigType = {	struct configFileInfo yabootConfigType = {
470	"/etc/yaboot.conf",    /* defaultConfig */	.defaultConfig = "/etc/yaboot.conf",
471	yabootKeywords,    /* keywords */	.keywords = yabootKeywords,
472	0,    /* defaultIsIndex */	.entryStart = LT_KERNEL,
473	0,    /* defaultSupportSaved */	.needsBootPrefix = 1,
474	LT_KERNEL,    /* entrySeparator */	.argsInQuotes = 1,
475	1,    /* needsBootPrefix */	.maxTitleLength = 15,
476	1,    /* argsInQuotes */	.mbAllowExtraInitRds = 1,
	15,    /* maxTitleLength */
	0,                                      /* titleBracketed */
	0,                                      /* mbHyperFirst */
	0,                                      /* mbInitRdIsModule */
	0,                                      /* mbConcatArgs */
	1,                                      /* mbAllowExtraInitRds */
477	};	};
478
479	struct configFileInfo siloConfigType = {	struct configFileInfo siloConfigType = {
480	"/etc/silo.conf",    /* defaultConfig */	.defaultConfig = "/etc/silo.conf",
481	siloKeywords,    /* keywords */	.keywords = siloKeywords,
482	0,    /* defaultIsIndex */	.entryStart = LT_KERNEL,
483	0,    /* defaultSupportSaved */	.needsBootPrefix = 1,
484	LT_KERNEL,    /* entrySeparator */	.argsInQuotes = 1,
485	1,    /* needsBootPrefix */	.maxTitleLength = 15,
	1,    /* argsInQuotes */
	15,    /* maxTitleLength */
	0,                                      /* titleBracketed */
	0,                                      /* mbHyperFirst */
	0,                                      /* mbInitRdIsModule */
	0,                                      /* mbConcatArgs */
	0,                                      /* mbAllowExtraInitRds */
486	};	};
487
488	struct configFileInfo ziplConfigType = {	struct configFileInfo ziplConfigType = {
489	"/etc/zipl.conf",    /* defaultConfig */	.defaultConfig = "/etc/zipl.conf",
490	ziplKeywords,    /* keywords */	.keywords = ziplKeywords,
491	0,    /* defaultIsIndex */	.entryStart = LT_TITLE,
492	0,    /* defaultSupportSaved */	.argsInQuotes = 1,
493	LT_TITLE,    /* entrySeparator */	.titleBracketed = 1,
	0,    /* needsBootPrefix */
	1,    /* argsInQuotes */
	0,    /* maxTitleLength */
	1,                                      /* titleBracketed */
	0,                                      /* mbHyperFirst */
	0,                                      /* mbInitRdIsModule */
	0,                                      /* mbConcatArgs */
	0,                                      /* mbAllowExtraInitRds */
494	};	};
495
496	struct configFileInfo extlinuxConfigType = {	struct configFileInfo extlinuxConfigType = {
497	"/boot/extlinux/extlinux.conf",         /* defaultConfig */	.defaultConfig = "/boot/extlinux/extlinux.conf",
498	extlinuxKeywords,                       /* keywords */	.keywords = extlinuxKeywords,
499	0,                                      /* defaultIsIndex */	.entryStart = LT_TITLE,
500	0,                                      /* defaultSupportSaved */	.needsBootPrefix = 1,
501	LT_TITLE,                               /* entrySeparator */	.maxTitleLength = 255,
502	1,                                      /* needsBootPrefix */	.mbAllowExtraInitRds = 1,
	0,                                      /* argsInQuotes */
	255,                                    /* maxTitleLength */
	0,                                      /* titleBracketed */
	0,                                      /* mbHyperFirst */
	0,                                      /* mbInitRdIsModule */
	0,                                      /* mbConcatArgs */
	1,                                      /* mbAllowExtraInitRds */
503	};	};
504
505	struct grubConfig {	struct grubConfig {
#	Line 356  struct grubConfig {	Line 514  struct grubConfig {
514	struct configFileInfo * cfi;	struct configFileInfo * cfi;
515	};	};
516
517		blkid_cache blkid;
518
519	struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index);	struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index);
520	struct singleEntry * findEntryByPath(struct grubConfig * cfg,	struct singleEntry * findEntryByPath(struct grubConfig * cfg,
521	const char * path, const char * prefix,	const char * path, const char * prefix,
#	Line 369  static int lineWrite(FILE * out, struct	Line 529  static int lineWrite(FILE * out, struct
529	static int getNextLine(char ** bufPtr, struct singleLine * line,	static int getNextLine(char ** bufPtr, struct singleLine * line,
530	struct configFileInfo * cfi);	struct configFileInfo * cfi);
531	static char * getRootSpecifier(char * str);	static char * getRootSpecifier(char * str);
532		static void requote(struct singleLine *line, struct configFileInfo * cfi);
533	static void insertElement(struct singleLine * line,	static void insertElement(struct singleLine * line,
534	const char * item, int insertHere,	const char * item, int insertHere,
535	struct configFileInfo * cfi);	struct configFileInfo * cfi);
#	Line 423  static char * sdupprintf(const char *for	Line 584  static char * sdupprintf(const char *for
584	return buf;	return buf;
585	}	}
586
587		static enum lineType_e preferredLineType(enum lineType_e type,
588		struct configFileInfo *cfi) {
589		if (isEfi && cfi == &grub2ConfigType) {
590		switch (type) {
591		case LT_KERNEL:
592		return LT_KERNEL_EFI;
593		case LT_INITRD:
594		return LT_INITRD_EFI;
595		default:
596		return type;
597		}
598		}
599		return type;
600		}
601
602	static struct keywordTypes * getKeywordByType(enum lineType_e type,	static struct keywordTypes * getKeywordByType(enum lineType_e type,
603	struct configFileInfo * cfi) {	struct configFileInfo * cfi) {
604	struct keywordTypes * kw;	for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) {
	for (kw = cfi->keywords; kw->key; kw++) {
605	if (kw->type == type)	if (kw->type == type)
606	return kw;	return kw;
607	}	}
608	return NULL;	return NULL;
609	}	}
610
611	static char * getpathbyspec(char *device) {	static char *getKeyByType(enum lineType_e type, struct configFileInfo * cfi) {
612	static blkid_cache blkid;	struct keywordTypes *kt = getKeywordByType(type, cfi);
613		if (kt)
614		return kt->key;
615		return "unknown";
616		}
617
618		static char * getpathbyspec(char *device) {
619	if (!blkid)	if (!blkid)
620	blkid_get_cache(&blkid, NULL);	blkid_get_cache(&blkid, NULL);
621
622	return blkid_get_devname(blkid, device, NULL);	return blkid_get_devname(blkid, device, NULL);
623	}	}
624
625		static char * getuuidbydev(char *device) {
626		if (!blkid)
627		blkid_get_cache(&blkid, NULL);
628
629		return blkid_get_tag_value(blkid, "UUID", device);
630		}
631
632	static enum lineType_e getTypeByKeyword(char * keyword,	static enum lineType_e getTypeByKeyword(char * keyword,
633	struct configFileInfo * cfi) {	struct configFileInfo * cfi) {
634	struct keywordTypes * kw;	for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) {
	for (kw = cfi->keywords; kw->key; kw++) {
635	if (!strcmp(keyword, kw->key))	if (!strcmp(keyword, kw->key))
636	return kw->type;	return kw->type;
637	}	}
#	Line 477  static int isBracketedTitle(struct singl	Line 663  static int isBracketedTitle(struct singl
663	return 0;	return 0;
664	}	}
665
666	static int isEntrySeparator(struct singleLine * line,	static int isEntryStart(struct singleLine * line,
667	struct configFileInfo * cfi) {	struct configFileInfo * cfi) {
668	return line->type == cfi->entrySeparator || line->type == LT_OTHER ||	return line->type == cfi->entryStart || line->type == LT_OTHER ||
669	(cfi->titleBracketed && isBracketedTitle(line));	(cfi->titleBracketed && isBracketedTitle(line));
670	}	}
671
#	Line 532  static void lineInit(struct singleLine *	Line 718  static void lineInit(struct singleLine *
718	}	}
719
720	struct singleLine * lineDup(struct singleLine * line) {	struct singleLine * lineDup(struct singleLine * line) {
	int i;
721	struct singleLine * newLine = malloc(sizeof(*newLine));	struct singleLine * newLine = malloc(sizeof(*newLine));
722
723	newLine->indent = strdup(line->indent);	newLine->indent = strdup(line->indent);
#	Line 542  struct singleLine * lineDup(struct singl	Line 727  struct singleLine * lineDup(struct singl
727	newLine->elements = malloc(sizeof(*newLine->elements) *	newLine->elements = malloc(sizeof(*newLine->elements) *
728	newLine->numElements);	newLine->numElements);
729
730	for (i = 0; i < newLine->numElements; i++) {	for (int i = 0; i < newLine->numElements; i++) {
731	newLine->elements[i].indent = strdup(line->elements[i].indent);	newLine->elements[i].indent = strdup(line->elements[i].indent);
732	newLine->elements[i].item = strdup(line->elements[i].item);	newLine->elements[i].item = strdup(line->elements[i].item);
733	}	}
#	Line 551  struct singleLine * lineDup(struct singl	Line 736  struct singleLine * lineDup(struct singl
736	}	}
737
738	static void lineFree(struct singleLine * line) {	static void lineFree(struct singleLine * line) {
	int i;
739	if (line->indent) free(line->indent);	if (line->indent) free(line->indent);
740
741	for (i = 0; i < line->numElements; i++) {	for (int i = 0; i < line->numElements; i++) {
742	free(line->elements[i].item);	free(line->elements[i].item);
743	free(line->elements[i].indent);	free(line->elements[i].indent);
744	}	}
#	Line 566  static void lineFree(struct singleLine *	Line 749  static void lineFree(struct singleLine *
749
750	static int lineWrite(FILE * out, struct singleLine * line,	static int lineWrite(FILE * out, struct singleLine * line,
751	struct configFileInfo * cfi) {	struct configFileInfo * cfi) {
	int i;
752	if (fprintf(out, "%s", line->indent) == -1) return -1;	if (fprintf(out, "%s", line->indent) == -1) return -1;
753
754	for (i = 0; i < line->numElements; i++) {	for (int i = 0; i < line->numElements; i++) {
755		/* Need to handle this, because we strip the quotes from
756		* menuentry when read it. */
757		if (line->type == LT_MENUENTRY && i == 1) {
758		if(!isquote(*line->elements[i].item))
759		fprintf(out, "\'%s\'", line->elements[i].item);
760		else
761		fprintf(out, "%s", line->elements[i].item);
762		fprintf(out, "%s", line->elements[i].indent);
763
764		continue;
765		}
766
767	if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes)	if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes)
768	if (fputc('"', out) == EOF) return -1;	if (fputc('"', out) == EOF) return -1;
769
#	Line 664  static int getNextLine(char ** bufPtr, s	Line 857  static int getNextLine(char ** bufPtr, s
857	if (*line->elements[0].item == '#') {	if (*line->elements[0].item == '#') {
858	char * fullLine;	char * fullLine;
859	int len;	int len;
	int i;
860
861	len = strlen(line->indent);	len = strlen(line->indent);
862	for (i = 0; i < line->numElements; i++)	for (int i = 0; i < line->numElements; i++)
863	len += strlen(line->elements[i].item) +	len += strlen(line->elements[i].item) +
864	strlen(line->elements[i].indent);	strlen(line->elements[i].indent);
865
#	Line 676  static int getNextLine(char ** bufPtr, s	Line 868  static int getNextLine(char ** bufPtr, s
868	free(line->indent);	free(line->indent);
869	line->indent = fullLine;	line->indent = fullLine;
870
871	for (i = 0; i < line->numElements; i++) {	for (int i = 0; i < line->numElements; i++) {
872	strcat(fullLine, line->elements[i].item);	strcat(fullLine, line->elements[i].item);
873	strcat(fullLine, line->elements[i].indent);	strcat(fullLine, line->elements[i].indent);
874	free(line->elements[i].item);	free(line->elements[i].item);
#	Line 695  static int getNextLine(char ** bufPtr, s	Line 887  static int getNextLine(char ** bufPtr, s
887	* elements up more	* elements up more
888	*/	*/
889	if (!isspace(kw->separatorChar)) {	if (!isspace(kw->separatorChar)) {
	int i;
890	char indent[2] = "";	char indent[2] = "";
891	indent[0] = kw->separatorChar;	indent[0] = kw->separatorChar;
892	for (i = 1; i < line->numElements; i++) {	for (int i = 1; i < line->numElements; i++) {
893	char *p;	char *p;
	int j;
894	int numNewElements;	int numNewElements;
895
896	numNewElements = 0;	numNewElements = 0;
#	Line 716  static int getNextLine(char ** bufPtr, s	Line 906  static int getNextLine(char ** bufPtr, s
906	sizeof(*line->elements) * elementsAlloced);	sizeof(*line->elements) * elementsAlloced);
907	}	}
908
909	for (j = line->numElements; j > i; j--) {	for (int j = line->numElements; j > i; j--) {
910	line->elements[j + numNewElements] = line->elements[j];	line->elements[j + numNewElements] = line->elements[j];
911	}	}
912	line->numElements += numNewElements;	line->numElements += numNewElements;
#	Line 729  static int getNextLine(char ** bufPtr, s	Line 919  static int getNextLine(char ** bufPtr, s
919	break;	break;
920	}	}
921
922	free(line->elements[i].indent);	line->elements[i + 1].indent = line->elements[i].indent;
923	line->elements[i].indent = strdup(indent);	line->elements[i].indent = strdup(indent);
924	*p++ = '\0';	*p++ = '\0';
925	i++;	i++;
926	line->elements[i].item = strdup(p);	line->elements[i].item = strdup(p);
	line->elements[i].indent = strdup("");
	p = line->elements[i].item;
927	}	}
928	}	}
929	}	}
#	Line 756  static struct grubConfig * readConfig(co	Line 944  static struct grubConfig * readConfig(co
944	struct singleLine * last = NULL, * line, * defaultLine = NULL;	struct singleLine * last = NULL, * line, * defaultLine = NULL;
945	char * end;	char * end;
946	struct singleEntry * entry = NULL;	struct singleEntry * entry = NULL;
947	int i, len;	int len;
948	char * buf;	char * buf;
949
950	if (!strcmp(inName, "-")) {	if (!strcmp(inName, "-")) {
#	Line 802  static struct grubConfig * readConfig(co	Line 990  static struct grubConfig * readConfig(co
990	cfg->secondaryIndent = strdup(line->indent);	cfg->secondaryIndent = strdup(line->indent);
991	}	}
992
993	if (isEntrySeparator(line, cfi)) {	if (isEntryStart(line, cfi) || (cfg->entries && !sawEntry)) {
994	sawEntry = 1;	sawEntry = 1;
995	if (!entry) {	if (!entry) {
996	cfg->entries = malloc(sizeof(*entry));	cfg->entries = malloc(sizeof(*entry));
#	Line 818  static struct grubConfig * readConfig(co	Line 1006  static struct grubConfig * readConfig(co
1006	entry->next = NULL;	entry->next = NULL;
1007	}	}
1008
1009	if (line->type == LT_DEFAULT && line->numElements == 2) {	if (line->type == LT_SET_VARIABLE) {
1010		dbgPrintf("found 'set' command (%d elements): ", line->numElements);
1011		dbgPrintf("%s", line->indent);
1012		for (int i = 0; i < line->numElements; i++)
1013		dbgPrintf("\"%s\"%s", line->elements[i].item, line->elements[i].indent);
1014		dbgPrintf("\n");
1015		struct keywordTypes *kwType = getKeywordByType(LT_DEFAULT, cfi);
1016		if (kwType && line->numElements == 3 &&
1017		!strcmp(line->elements[1].item, kwType->key)) {
1018		dbgPrintf("Line sets default config\n");
1019		cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;
1020		defaultLine = line;
1021		}
1022		} else if (line->type == LT_DEFAULT && line->numElements == 2) {
1023	cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;	cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;
1024	defaultLine = line;	defaultLine = line;
1025
1026	} else if (line->type == LT_KERNEL) {	} else if (iskernel(line->type)) {
1027	/* if by some freak chance this is multiboot and the "module"	/* if by some freak chance this is multiboot and the "module"
1028	* lines came earlier in the template, make sure to use LT_HYPER	* lines came earlier in the template, make sure to use LT_HYPER
1029	* instead of LT_KERNEL now	* instead of LT_KERNEL now
#	Line 836  static struct grubConfig * readConfig(co	Line 1037  static struct grubConfig * readConfig(co
1037	* This only applies to grub, but that's the only place we	* This only applies to grub, but that's the only place we
1038	* should find LT_MBMODULE lines anyway.	* should find LT_MBMODULE lines anyway.
1039	*/	*/
1040	struct singleLine * l;	for (struct singleLine *l = entry->lines; l; l = l->next) {
	for (l = entry->lines; l; l = l->next) {
1041	if (l->type == LT_HYPER)	if (l->type == LT_HYPER)
1042	break;	break;
1043	else if (l->type == LT_KERNEL) {	else if (iskernel(l->type)) {
1044	l->type = LT_HYPER;	l->type = LT_HYPER;
1045	break;	break;
1046	}	}
#	Line 857  static struct grubConfig * readConfig(co	Line 1057  static struct grubConfig * readConfig(co
1057	} else if (line->type == LT_TITLE && line->numElements > 1) {	} else if (line->type == LT_TITLE && line->numElements > 1) {
1058	/* make the title a single argument (undoing our parsing) */	/* make the title a single argument (undoing our parsing) */
1059	len = 0;	len = 0;
1060	for (i = 1; i < line->numElements; i++) {	for (int i = 1; i < line->numElements; i++) {
1061	len += strlen(line->elements[i].item);	len += strlen(line->elements[i].item);
1062	len += strlen(line->elements[i].indent);	len += strlen(line->elements[i].indent);
1063	}	}
1064	buf = malloc(len + 1);	buf = malloc(len + 1);
1065	*buf = '\0';	*buf = '\0';
1066
1067	for (i = 1; i < line->numElements; i++) {	for (int i = 1; i < line->numElements; i++) {
1068	strcat(buf, line->elements[i].item);	strcat(buf, line->elements[i].item);
1069	free(line->elements[i].item);	free(line->elements[i].item);
1070
#	Line 878  static struct grubConfig * readConfig(co	Line 1078  static struct grubConfig * readConfig(co
1078	line->elements[line->numElements - 1].indent;	line->elements[line->numElements - 1].indent;
1079	line->elements[1].item = buf;	line->elements[1].item = buf;
1080	line->numElements = 2;	line->numElements = 2;
1081		} else if (line->type == LT_MENUENTRY && line->numElements > 3) {
1082		/* let --remove-kernel="TITLE=what" work */
1083		len = 0;
1084		char *extras;
1085		char *title;
1086
1087		for (int i = 1; i < line->numElements; i++) {
1088		len += strlen(line->elements[i].item);
1089		len += strlen(line->elements[i].indent);
1090		}
1091		buf = malloc(len + 1);
1092		*buf = '\0';
1093
1094		/* allocate mem for extra flags. */
1095		extras = malloc(len + 1);
1096		*extras = '\0';
1097
1098		/* get title. */
1099		for (int i = 0; i < line->numElements; i++) {
1100		if (!strcmp(line->elements[i].item, "menuentry"))
1101		continue;
1102		if (isquote(*line->elements[i].item))
1103		title = line->elements[i].item + 1;
1104		else
1105		title = line->elements[i].item;
1106
1107		len = strlen(title);
1108		if (isquote(title[len-1])) {
1109		strncat(buf, title,len-1);
1110		break;
1111		} else {
1112		strcat(buf, title);
1113		strcat(buf, line->elements[i].indent);
1114		}
1115		}
1116
1117		/* get extras */
1118		int count = 0;
1119		for (int i = 0; i < line->numElements; i++) {
1120		if (count >= 2) {
1121		strcat(extras, line->elements[i].item);
1122		strcat(extras, line->elements[i].indent);
1123		}
1124
1125		if (!strcmp(line->elements[i].item, "menuentry"))
1126		continue;
1127
1128		/* count ' or ", there should be two in menuentry line. */
1129		if (isquote(*line->elements[i].item))
1130		count++;
1131
1132		len = strlen(line->elements[i].item);
1133
1134		if (isquote(line->elements[i].item[len -1]))
1135		count++;
1136
1137		/* ok, we get the final ' or ", others are extras. */
1138		}
1139		line->elements[1].indent =
1140		line->elements[line->numElements - 2].indent;
1141		line->elements[1].item = buf;
1142		line->elements[2].indent =
1143		line->elements[line->numElements - 2].indent;
1144		line->elements[2].item = extras;
1145		line->numElements = 3;
1146	} else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) {	} else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) {
1147	/* Strip off any " which may be present; they'll be put back	/* Strip off any " which may be present; they'll be put back
1148	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 1151  static struct grubConfig * readConfig(co
1151	if (line->numElements >= 2) {	if (line->numElements >= 2) {
1152	int last, len;	int last, len;
1153
1154	if (*line->elements[1].item == '"')	if (isquote(*line->elements[1].item))
1155	memmove(line->elements[1].item, line->elements[1].item + 1,	memmove(line->elements[1].item, line->elements[1].item + 1,
1156	strlen(line->elements[1].item + 1) + 1);	strlen(line->elements[1].item + 1) + 1);
1157
1158	last = line->numElements - 1;	last = line->numElements - 1;
1159	len = strlen(line->elements[last].item) - 1;	len = strlen(line->elements[last].item) - 1;
1160	if (line->elements[last].item[len] == '"')	if (isquote(line->elements[last].item[len]))
1161	line->elements[last].item[len] = '\0';	line->elements[last].item[len] = '\0';
1162	}	}
1163	}	}
#	Line 931  static struct grubConfig * readConfig(co	Line 1195  static struct grubConfig * readConfig(co
1195	entry->lines = line;	entry->lines = line;
1196	else	else
1197	last->next = line;	last->next = line;
1198	dbgPrintf("readConfig added %d to %p\n", line->type, entry);	dbgPrintf("readConfig added %s to %p\n", getKeyByType(line->type, cfi), entry);
1199
1200		/* we could have seen this outside of an entry... if so, we
1201		* ignore it like any other line we don't grok */
1202		if (line->type == LT_ENTRY_END && sawEntry)
1203		sawEntry = 0;
1204	} else {	} else {
1205	if (!cfg->theLines)	if (!cfg->theLines)
1206	cfg->theLines = line;	cfg->theLines = line;
1207	else	else
1208	last->next = line;	last->next = line;
1209	dbgPrintf("readConfig added %d to cfg\n", line->type);	dbgPrintf("readConfig added %s to cfg\n", getKeyByType(line->type, cfi));
1210	}	}
1211
1212	last = line;	last = line;
#	Line 945  static struct grubConfig * readConfig(co	Line 1214  static struct grubConfig * readConfig(co
1214
1215	free(incoming);	free(incoming);
1216
1217		dbgPrintf("defaultLine is %s\n", defaultLine ? "set" : "unset");
1218	if (defaultLine) {	if (defaultLine) {
1219	if (cfi->defaultSupportSaved &&	if (defaultLine->numElements > 2 &&
1220		cfi->defaultSupportSaved &&
1221		!strncmp(defaultLine->elements[2].item,"\"${saved_entry}\"", 16)) {
1222		cfg->defaultImage = DEFAULT_SAVED_GRUB2;
1223		} else if (cfi->defaultIsVariable) {
1224		char *value = defaultLine->elements[2].item;
1225		while (*value && (*value == '"' || *value == '\'' ||
1226		*value == ' ' || *value == '\t'))
1227		value++;
1228		cfg->defaultImage = strtol(value, &end, 10);
1229		while (*end && (*end == '"' || *end == '\'' ||
1230		*end == ' ' || *end == '\t'))
1231		end++;
1232		if (*end) cfg->defaultImage = -1;
1233		} else if (cfi->defaultSupportSaved &&
1234	!strncmp(defaultLine->elements[1].item, "saved", 5)) {	!strncmp(defaultLine->elements[1].item, "saved", 5)) {
1235	cfg->defaultImage = DEFAULT_SAVED;	cfg->defaultImage = DEFAULT_SAVED;
1236	} else if (cfi->defaultIsIndex) {	} else if (cfi->defaultIsIndex) {
1237	cfg->defaultImage = strtol(defaultLine->elements[1].item, &end, 10);	cfg->defaultImage = strtol(defaultLine->elements[1].item, &end, 10);
1238	if (*end) cfg->defaultImage = -1;	if (*end) cfg->defaultImage = -1;
1239	} else if (defaultLine->numElements >= 2) {	} else if (defaultLine->numElements >= 2) {
1240	i = 0;	int i = 0;
1241	while ((entry = findEntryByIndex(cfg, i))) {	while ((entry = findEntryByIndex(cfg, i))) {
1242	for (line = entry->lines; line; line = line->next)	for (line = entry->lines; line; line = line->next)
1243	if (line->type == LT_TITLE) break;	if (line->type == LT_TITLE) break;
#	Line 993  static void writeDefault(FILE * out, cha	Line 1277  static void writeDefault(FILE * out, cha
1277
1278	if (cfg->defaultImage == DEFAULT_SAVED)	if (cfg->defaultImage == DEFAULT_SAVED)
1279	fprintf(out, "%sdefault%ssaved\n", indent, separator);	fprintf(out, "%sdefault%ssaved\n", indent, separator);
1280		else if (cfg->defaultImage == DEFAULT_SAVED_GRUB2)
1281		fprintf(out, "%sset default=\"${saved_entry}\"\n", indent);
1282	else if (cfg->defaultImage > -1) {	else if (cfg->defaultImage > -1) {
1283	if (cfg->cfi->defaultIsIndex) {	if (cfg->cfi->defaultIsIndex) {
1284	fprintf(out, "%sdefault%s%d\n", indent, separator,	if (cfg->cfi->defaultIsVariable) {
1285	cfg->defaultImage);	fprintf(out, "%sset default=\"%d\"\n", indent,
1286		cfg->defaultImage);
1287		} else {
1288		fprintf(out, "%sdefault%s%d\n", indent, separator,
1289		cfg->defaultImage);
1290		}
1291	} else {	} else {
1292	int image = cfg->defaultImage;	int image = cfg->defaultImage;
1293
#	Line 1048  static int writeConfig(struct grubConfig	Line 1339  static int writeConfig(struct grubConfig
1339
1340	/* most likely the symlink is relative, so change our	/* most likely the symlink is relative, so change our
1341	directory to the dir of the symlink */	directory to the dir of the symlink */
1342	rc = chdir(dirname(strdupa(outName)));	char *dir = strdupa(outName);
1343		rc = chdir(dirname(dir));
1344	do {	do {
1345	buf = alloca(len + 1);	buf = alloca(len + 1);
1346	rc = readlink(basename(outName), buf, len);	rc = readlink(basename(outName), buf, len);
#	Line 1086  static int writeConfig(struct grubConfig	Line 1378  static int writeConfig(struct grubConfig
1378	}	}
1379
1380	line = cfg->theLines;	line = cfg->theLines;
1381		struct keywordTypes *defaultKw = getKeywordByType(LT_DEFAULT, cfg->cfi);
1382	while (line) {	while (line) {
1383	if (line->type == LT_DEFAULT) {	if (line->type == LT_SET_VARIABLE && defaultKw &&
1384		line->numElements == 3 &&
1385		!strcmp(line->elements[1].item, defaultKw->key)) {
1386		writeDefault(out, line->indent, line->elements[0].indent, cfg);
1387		needs &= ~MAIN_DEFAULT;
1388		} else if (line->type == LT_DEFAULT) {
1389	writeDefault(out, line->indent, line->elements[0].indent, cfg);	writeDefault(out, line->indent, line->elements[0].indent, cfg);
1390	needs &= ~MAIN_DEFAULT;	needs &= ~MAIN_DEFAULT;
1391	} else if (line->type == LT_FALLBACK) {	} else if (line->type == LT_FALLBACK) {
#	Line 1155  static int numEntries(struct grubConfig	Line 1453  static int numEntries(struct grubConfig
1453	return i;	return i;
1454	}	}
1455
1456		static char *findDiskForRoot()
1457		{
1458		int fd;
1459		char buf[65536];
1460		char *devname;
1461		char *chptr;
1462		int rc;
1463
1464		if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) {
1465		fprintf(stderr, "grubby: failed to open %s: %s\n",
1466		_PATH_MOUNTED, strerror(errno));
1467		return NULL;
1468		}
1469
1470		rc = read(fd, buf, sizeof(buf) - 1);
1471		if (rc <= 0) {
1472		fprintf(stderr, "grubby: failed to read %s: %s\n",
1473		_PATH_MOUNTED, strerror(errno));
1474		close(fd);
1475		return NULL;
1476		}
1477		close(fd);
1478		buf[rc] = '\0';
1479		chptr = buf;
1480
1481		char *foundanswer = NULL;
1482
1483		while (chptr && chptr != buf+rc) {
1484		devname = chptr;
1485
1486		/*
1487		* The first column of a mtab entry is the device, but if the entry is a
1488		* special device it won't start with /, so move on to the next line.
1489		*/
1490		if (*devname != '/') {
1491		chptr = strchr(chptr, '\n');
1492		if (chptr)
1493		chptr++;
1494		continue;
1495		}
1496
1497		/* Seek to the next space */
1498		chptr = strchr(chptr, ' ');
1499		if (!chptr) {
1500		fprintf(stderr, "grubby: error parsing %s: %s\n",
1501		_PATH_MOUNTED, strerror(errno));
1502		return NULL;
1503		}
1504
1505		/*
1506		* The second column of a mtab entry is the mount point, we are looking
1507		* for '/' obviously.
1508		*/
1509		if (*(++chptr) == '/' && *(++chptr) == ' ') {
1510		/* remember the last / entry in mtab */
1511		foundanswer = devname;
1512		}
1513
1514		/* Next line */
1515		chptr = strchr(chptr, '\n');
1516		if (chptr)
1517		chptr++;
1518		}
1519
1520		/* Return the last / entry found */
1521		if (foundanswer) {
1522		chptr = strchr(foundanswer, ' ');
1523		*chptr = '\0';
1524		return strdup(foundanswer);
1525		}
1526
1527		return NULL;
1528		}
1529
1530		void printEntry(struct singleEntry * entry) {
1531		int i;
1532		struct singleLine * line;
1533
1534		for (line = entry->lines; line; line = line->next) {
1535		fprintf(stderr, "DBG: %s", line->indent);
1536		for (i = 0; i < line->numElements; i++) {
1537		/* Need to handle this, because we strip the quotes from
1538		* menuentry when read it. */
1539		if (line->type == LT_MENUENTRY && i == 1) {
1540		if(!isquote(*line->elements[i].item))
1541		fprintf(stderr, "\'%s\'", line->elements[i].item);
1542		else
1543		fprintf(stderr, "%s", line->elements[i].item);
1544		fprintf(stderr, "%s", line->elements[i].indent);
1545
1546		continue;
1547		}
1548
1549		fprintf(stderr, "%s%s",
1550		line->elements[i].item, line->elements[i].indent);
1551		}
1552		fprintf(stderr, "\n");
1553		}
1554		}
1555
1556		void notSuitablePrintf(struct singleEntry * entry, const char *fmt, ...)
1557		{
1558		va_list argp;
1559
1560		if (!debug)
1561		return;
1562
1563		va_start(argp, fmt);
1564		fprintf(stderr, "DBG: Image entry failed: ");
1565		vfprintf(stderr, fmt, argp);
1566		printEntry(entry);
1567		va_end(argp);
1568		}
1569
1570		#define beginswith(s, c) ((s) && (s)[0] == (c))
1571
1572		static int endswith(const char *s, char c)
1573		{
1574		int slen;
1575
1576		if (!s || !s[0])
1577		return 0;
1578		slen = strlen(s) - 1;
1579
1580		return s[slen] == c;
1581		}
1582
1583	int suitableImage(struct singleEntry * entry, const char * bootPrefix,	int suitableImage(struct singleEntry * entry, const char * bootPrefix,
1584	int skipRemoved, int flags) {	int skipRemoved, int flags) {
1585	struct singleLine * line;	struct singleLine * line;
1586	char * fullName;	char * fullName;
1587	int i;	int i;
	struct stat sb, sb2;
1588	char * dev;	char * dev;
1589	char * rootspec;	char * rootspec;
1590		char * rootdev;
1591
1592	if (skipRemoved && entry->skip) return 0;	if (skipRemoved && entry->skip) {
1593		notSuitablePrintf(entry, "marked to skip\n");
1594		return 0;
1595		}
1596
1597	line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines);	line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI, entry->lines);
1598	if (!line || line->numElements < 2) return 0;	if (!line) {
1599		notSuitablePrintf(entry, "no line found\n");
1600		return 0;
1601		}
1602		if (line->numElements < 2) {
1603		notSuitablePrintf(entry, "line has only %d elements\n",
1604		line->numElements);
1605		return 0;
1606		}
1607
1608	if (flags & GRUBBY_BADIMAGE_OKAY) return 1;	if (flags & GRUBBY_BADIMAGE_OKAY) return 1;
1609
1610	fullName = alloca(strlen(bootPrefix) +	fullName = alloca(strlen(bootPrefix) +
1611	strlen(line->elements[1].item) + 1);	strlen(line->elements[1].item) + 1);
1612	rootspec = getRootSpecifier(line->elements[1].item);	rootspec = getRootSpecifier(line->elements[1].item);
1613	sprintf(fullName, "%s%s", bootPrefix,	int rootspec_offset = rootspec ? strlen(rootspec) : 0;
1614	line->elements[1].item + (rootspec ? strlen(rootspec) : 0));	int hasslash = endswith(bootPrefix, '/') ||
1615	if (access(fullName, R_OK)) return 0;	beginswith(line->elements[1].item + rootspec_offset, '/');
1616		sprintf(fullName, "%s%s%s", bootPrefix, hasslash ? "" : "/",
1617		line->elements[1].item + rootspec_offset);
1618		if (access(fullName, R_OK)) {
1619		notSuitablePrintf(entry, "access to %s failed\n", fullName);
1620		return 0;
1621		}
1622	for (i = 2; i < line->numElements; i++)	for (i = 2; i < line->numElements; i++)
1623	if (!strncasecmp(line->elements[i].item, "root=", 5)) break;	if (!strncasecmp(line->elements[i].item, "root=", 5)) break;
1624	if (i < line->numElements) {	if (i < line->numElements) {
#	Line 1195  int suitableImage(struct singleEntry * e	Line 1636  int suitableImage(struct singleEntry * e
1636	line = getLineByType(LT_KERNELARGS|LT_MBMODULE, entry->lines);	line = getLineByType(LT_KERNELARGS|LT_MBMODULE, entry->lines);
1637
1638	/* failed to find one */	/* failed to find one */
1639	if (!line) return 0;	if (!line) {
1640		notSuitablePrintf(entry, "no line found\n");
1641		return 0;
1642		}
1643
1644	for (i = 1; i < line->numElements; i++)	for (i = 1; i < line->numElements; i++)
1645	if (!strncasecmp(line->elements[i].item, "root=", 5)) break;	if (!strncasecmp(line->elements[i].item, "root=", 5)) break;
1646	if (i < line->numElements)	if (i < line->numElements)
1647	dev = line->elements[i].item + 5;	dev = line->elements[i].item + 5;
1648	else {	else {
1649		notSuitablePrintf(entry, "no root= entry found\n");
1650	/* it failed too...  can't find root= */	/* it failed too...  can't find root= */
1651	return 0;	return 0;
1652	}	}
#	Line 1209  int suitableImage(struct singleEntry * e	Line 1654  int suitableImage(struct singleEntry * e
1654	}	}
1655
1656	dev = getpathbyspec(dev);	dev = getpathbyspec(dev);
1657	if (!dev)	if (!getpathbyspec(dev)) {
1658		notSuitablePrintf(entry, "can't find blkid entry for %s\n", dev);
1659	return 0;	return 0;
1660		} else
1661		dev = getpathbyspec(dev);
1662
1663	i = stat(dev, &sb);	rootdev = findDiskForRoot();
1664	if (i)	if (!rootdev) {
1665		notSuitablePrintf(entry, "can't find root device\n");
1666	return 0;	return 0;
1667		}
1668
1669	stat("/", &sb2);	if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) {
1670		notSuitablePrintf(entry, "uuid missing: rootdev %s, dev %s\n",
1671		getuuidbydev(rootdev), getuuidbydev(dev));
1672		free(rootdev);
1673		return 0;
1674		}
1675
1676	if (sb.st_rdev != sb2.st_dev)	if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) {
1677		notSuitablePrintf(entry, "uuid mismatch: rootdev %s, dev %s\n",
1678		getuuidbydev(rootdev), getuuidbydev(dev));
1679		free(rootdev);
1680	return 0;	return 0;
1681		}
1682
1683		free(rootdev);
1684
1685	return 1;	return 1;
1686	}	}
#	Line 1263  struct singleEntry * findEntryByPath(str	Line 1724  struct singleEntry * findEntryByPath(str
1724	entry = findEntryByIndex(config, indexVars[i]);	entry = findEntryByIndex(config, indexVars[i]);
1725	if (!entry) return NULL;	if (!entry) return NULL;
1726
1727	line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines);	line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI, entry->lines);
1728	if (!line) return NULL;	if (!line) return NULL;
1729
1730	if (index) *index = indexVars[i];	if (index) *index = indexVars[i];
#	Line 1301  struct singleEntry * findEntryByPath(str	Line 1762  struct singleEntry * findEntryByPath(str
1762
1763	if (!strncmp(kernel, "TITLE=", 6)) {	if (!strncmp(kernel, "TITLE=", 6)) {
1764	prefix = "";	prefix = "";
1765	checkType = LT_TITLE;	checkType = LT_TITLE|LT_MENUENTRY;
1766	kernel += 6;	kernel += 6;
1767	}	}
1768
#	Line 1312  struct singleEntry * findEntryByPath(str	Line 1773  struct singleEntry * findEntryByPath(str
1773
1774	/* check all the lines matching checkType */	/* check all the lines matching checkType */
1775	for (line = entry->lines; line; line = line->next) {	for (line = entry->lines; line; line = line->next) {
1776	line = getLineByType(entry->multiboot && checkType == LT_KERNEL ?	line = getLineByType(entry->multiboot && checkType == LT_KERNEL
1777	LT_KERNEL|LT_MBMODULE|LT_HYPER :	? LT_KERNEL|LT_KERNEL_EFI|LT_MBMODULE|LT_HYPER
1778	checkType, line);	: checkType, line);
1779	if (!line) break;  /* not found in this entry */	if (!line) break;  /* not found in this entry */
1780
1781	if (line && line->numElements >= 2) {	if (line && line->type != LT_MENUENTRY &&
1782		line->numElements >= 2) {
1783	rootspec = getRootSpecifier(line->elements[1].item);	rootspec = getRootSpecifier(line->elements[1].item);
1784	if (!strcmp(line->elements[1].item +	if (!strcmp(line->elements[1].item +
1785	((rootspec != NULL) ? strlen(rootspec) : 0),	((rootspec != NULL) ? strlen(rootspec) : 0),
1786	kernel + strlen(prefix)))	kernel + strlen(prefix)))
1787	break;	break;
1788	}	}
1789		if(line->type == LT_MENUENTRY &&
1790		!strcmp(line->elements[1].item, kernel))
1791		break;
1792	}	}
1793
1794	/* make sure this entry has a kernel identifier; this skips	/* make sure this entry has a kernel identifier; this skips
1795	* non-Linux boot entries (could find netbsd etc, though, which is	* non-Linux boot entries (could find netbsd etc, though, which is
1796	* unfortunate)	* unfortunate)
1797	*/	*/
1798	if (line && getLineByType(LT_KERNEL|LT_HYPER, entry->lines))	if (line && getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI, entry->lines))
1799	break; /* found 'im! */	break; /* found 'im! */
1800	}	}
1801
#	Line 1415  void markRemovedImage(struct grubConfig	Line 1880  void markRemovedImage(struct grubConfig
1880	const char * prefix) {	const char * prefix) {
1881	struct singleEntry * entry;	struct singleEntry * entry;
1882
1883	if (!image) return;	if (!image)
1884		return;
1885
1886		/* check and see if we're removing the default image */
1887		if (isdigit(*image)) {
1888		entry = findEntryByPath(cfg, image, prefix, NULL);
1889		if(entry)
1890		entry->skip = 1;
1891		return;
1892		}
1893
1894	while ((entry = findEntryByPath(cfg, image, prefix, NULL)))	while ((entry = findEntryByPath(cfg, image, prefix, NULL)))
1895	entry->skip = 1;	entry->skip = 1;
#	Line 1423  void markRemovedImage(struct grubConfig	Line 1897  void markRemovedImage(struct grubConfig
1897
1898	void setDefaultImage(struct grubConfig * config, int hasNew,	void setDefaultImage(struct grubConfig * config, int hasNew,
1899	const char * defaultKernelPath, int newIsDefault,	const char * defaultKernelPath, int newIsDefault,
1900	const char * prefix, int flags) {	const char * prefix, int flags, int index) {
1901	struct singleEntry * entry, * entry2, * newDefault;	struct singleEntry * entry, * entry2, * newDefault;
1902	int i, j;	int i, j;
1903
1904	if (newIsDefault) {	if (newIsDefault) {
1905	config->defaultImage = 0;	config->defaultImage = 0;
1906	return;	return;
1907		} else if ((index >= 0) && config->cfi->defaultIsIndex) {
1908		if (findEntryByIndex(config, index))
1909		config->defaultImage = index;
1910		else
1911		config->defaultImage = -1;
1912		return;
1913	} else if (defaultKernelPath) {	} else if (defaultKernelPath) {
1914	i = 0;	i = 0;
1915	if (findEntryByPath(config, defaultKernelPath, prefix, &i)) {	if (findEntryByPath(config, defaultKernelPath, prefix, &i)) {
#	Line 1442  void setDefaultImage(struct grubConfig *	Line 1922  void setDefaultImage(struct grubConfig *
1922
1923	/* 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
1924	changes */	changes */
1925	if (config->defaultImage == DEFAULT_SAVED)	if ((config->defaultImage == DEFAULT_SAVED) ||
1926		(config->defaultImage == DEFAULT_SAVED_GRUB2))
1927	/* default is set to saved, we don't want to change it */	/* default is set to saved, we don't want to change it */
1928	return;	return;
1929
#	Line 1503  void displayEntry(struct singleEntry * e	Line 1984  void displayEntry(struct singleEntry * e
1984
1985	printf("index=%d\n", index);	printf("index=%d\n", index);
1986
1987	line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines);	line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI, entry->lines);
1988	if (!line) {	if (!line) {
1989	printf("non linux entry\n");	printf("non linux entry\n");
1990	return;	return;
1991	}	}
1992
1993	printf("kernel=%s\n", line->elements[1].item);	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))
1994		printf("kernel=%s\n", line->elements[1].item);
1995		else
1996		printf("kernel=%s%s\n", prefix, line->elements[1].item);
1997
1998	if (line->numElements >= 3) {	if (line->numElements >= 3) {
1999	printf("args=\"");	printf("args=\"");
#	Line 1565  void displayEntry(struct singleEntry * e	Line 2049  void displayEntry(struct singleEntry * e
2049	printf("root=%s\n", s);	printf("root=%s\n", s);
2050	}	}
2051
2052	line = getLineByType(LT_INITRD, entry->lines);	line = getLineByType(LT_INITRD|LT_INITRD_EFI, entry->lines);
2053
2054	if (line && line->numElements >= 2) {	if (line && line->numElements >= 2) {
2055	printf("initrd=%s", prefix);	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))
2056		printf("initrd=");
2057		else
2058		printf("initrd=%s", prefix);
2059
2060	for (i = 1; i < line->numElements; i++)	for (i = 1; i < line->numElements; i++)
2061	printf("%s%s", line->elements[i].item, line->elements[i].indent);	printf("%s%s", line->elements[i].item, line->elements[i].indent);
2062	printf("\n");	printf("\n");
2063	}	}
2064
2065		line = getLineByType(LT_TITLE, entry->lines);
2066		if (line) {
2067		printf("title=%s\n", line->elements[1].item);
2068		} else {
2069		char * title;
2070		line = getLineByType(LT_MENUENTRY, entry->lines);
2071		title = grub2ExtractTitle(line);
2072		if (title)
2073		printf("title=%s\n", title);
2074		}
2075		}
2076
2077		int isSuseSystem(void) {
2078		const char * path;
2079		const static char default_path[] = "/etc/SuSE-release";
2080
2081		if ((path = getenv("GRUBBY_SUSE_RELEASE")) == NULL)
2082		path = default_path;
2083
2084		if (!access(path, R_OK))
2085		return 1;
2086		return 0;
2087		}
2088
2089		int isSuseGrubConf(const char * path) {
2090		FILE * grubConf;
2091		char * line = NULL;
2092		size_t len = 0, res = 0;
2093
2094		grubConf = fopen(path, "r");
2095		if (!grubConf) {
2096		dbgPrintf("Could not open SuSE configuration file '%s'\n", path);
2097		return 0;
2098		}
2099
2100		while ((res = getline(&line, &len, grubConf)) != -1) {
2101		if (!strncmp(line, "setup", 5)) {
2102		fclose(grubConf);
2103		free(line);
2104		return 1;
2105		}
2106		}
2107
2108		dbgPrintf("SuSE configuration file '%s' does not appear to be valid\n",
2109		path);
2110
2111		fclose(grubConf);
2112		free(line);
2113		return 0;
2114		}
2115
2116		int suseGrubConfGetLba(const char * path, int * lbaPtr) {
2117		FILE * grubConf;
2118		char * line = NULL;
2119		size_t res = 0, len = 0;
2120
2121		if (!path) return 1;
2122		if (!lbaPtr) return 1;
2123
2124		grubConf = fopen(path, "r");
2125		if (!grubConf) return 1;
2126
2127		while ((res = getline(&line, &len, grubConf)) != -1) {
2128		if (line[res - 1] == '\n')
2129		line[res - 1] = '\0';
2130		else if (len > res)
2131		line[res] = '\0';
2132		else {
2133		line = realloc(line, res + 1);
2134		line[res] = '\0';
2135		}
2136
2137		if (!strncmp(line, "setup", 5)) {
2138		if (strstr(line, "--force-lba")) {
2139		*lbaPtr = 1;
2140		} else {
2141		*lbaPtr = 0;
2142		}
2143		dbgPrintf("lba: %i\n", *lbaPtr);
2144		break;
2145		}
2146		}
2147
2148		free(line);
2149		fclose(grubConf);
2150		return 0;
2151		}
2152
2153		int suseGrubConfGetInstallDevice(const char * path, char ** devicePtr) {
2154		FILE * grubConf;
2155		char * line = NULL;
2156		size_t res = 0, len = 0;
2157		char * lastParamPtr = NULL;
2158		char * secLastParamPtr = NULL;
2159		char installDeviceNumber = '\0';
2160		char * bounds = NULL;
2161
2162		if (!path) return 1;
2163		if (!devicePtr) return 1;
2164
2165		grubConf = fopen(path, "r");
2166		if (!grubConf) return 1;
2167
2168		while ((res = getline(&line, &len, grubConf)) != -1) {
2169		if (strncmp(line, "setup", 5))
2170		continue;
2171
2172		if (line[res - 1] == '\n')
2173		line[res - 1] = '\0';
2174		else if (len > res)
2175		line[res] = '\0';
2176		else {
2177		line = realloc(line, res + 1);
2178		line[res] = '\0';
2179		}
2180
2181		lastParamPtr = bounds = line + res;
2182
2183		/* Last parameter in grub may be an optional IMAGE_DEVICE */
2184		while (!isspace(*lastParamPtr))
2185		lastParamPtr--;
2186		lastParamPtr++;
2187
2188		secLastParamPtr = lastParamPtr - 2;
2189		dbgPrintf("lastParamPtr: %s\n", lastParamPtr);
2190
2191		if (lastParamPtr + 3 > bounds) {
2192		dbgPrintf("lastParamPtr going over boundary");
2193		fclose(grubConf);
2194		free(line);
2195		return 1;
2196		}
2197		if (!strncmp(lastParamPtr, "(hd", 3))
2198		lastParamPtr += 3;
2199		dbgPrintf("lastParamPtr: %c\n", *lastParamPtr);
2200
2201		/*
2202		* Second last parameter will decide wether last parameter is
2203		* an IMAGE_DEVICE or INSTALL_DEVICE
2204		*/
2205		while (!isspace(*secLastParamPtr))
2206		secLastParamPtr--;
2207		secLastParamPtr++;
2208
2209		if (secLastParamPtr + 3 > bounds) {
2210		dbgPrintf("secLastParamPtr going over boundary");
2211		fclose(grubConf);
2212		free(line);
2213		return 1;
2214		}
2215		dbgPrintf("secLastParamPtr: %s\n", secLastParamPtr);
2216		if (!strncmp(secLastParamPtr, "(hd", 3)) {
2217		secLastParamPtr += 3;
2218		dbgPrintf("secLastParamPtr: %c\n", *secLastParamPtr);
2219		installDeviceNumber = *secLastParamPtr;
2220		} else {
2221		installDeviceNumber = *lastParamPtr;
2222		}
2223
2224		*devicePtr = malloc(6);
2225		snprintf(*devicePtr, 6, "(hd%c)", installDeviceNumber);
2226		dbgPrintf("installDeviceNumber: %c\n", installDeviceNumber);
2227		fclose(grubConf);
2228		free(line);
2229		return 0;
2230		}
2231
2232		free(line);
2233		fclose(grubConf);
2234		return 1;
2235		}
2236
2237		int grubGetBootFromDeviceMap(const char * device,
2238		char ** bootPtr) {
2239		FILE * deviceMap;
2240		char * line = NULL;
2241		size_t res = 0, len = 0;
2242		char * devicePtr;
2243		char * bounds = NULL;
2244		const char * path;
2245		const static char default_path[] = "/boot/grub/device.map";
2246
2247		if (!device) return 1;
2248		if (!bootPtr) return 1;
2249
2250		if ((path = getenv("GRUBBY_GRUB_DEVICE_MAP")) == NULL)
2251		path = default_path;
2252
2253		dbgPrintf("opening grub device.map file from: %s\n", path);
2254		deviceMap = fopen(path, "r");
2255		if (!deviceMap)
2256		return 1;
2257
2258		while ((res = getline(&line, &len, deviceMap)) != -1) {
2259		if (!strncmp(line, "#", 1))
2260		continue;
2261
2262		if (line[res - 1] == '\n')
2263		line[res - 1] = '\0';
2264		else if (len > res)
2265		line[res] = '\0';
2266		else {
2267		line = realloc(line, res + 1);
2268		line[res] = '\0';
2269		}
2270
2271		devicePtr = line;
2272		bounds = line + res;
2273
2274		while ((isspace(*line) && ((devicePtr + 1) <= bounds)))
2275		devicePtr++;
2276		dbgPrintf("device: %s\n", devicePtr);
2277
2278		if (!strncmp(devicePtr, device, strlen(device))) {
2279		devicePtr += strlen(device);
2280		while (isspace(*devicePtr) && ((devicePtr + 1) <= bounds))
2281		devicePtr++;
2282
2283		*bootPtr = strdup(devicePtr);
2284		break;
2285		}
2286		}
2287
2288		free(line);
2289		fclose(deviceMap);
2290		return 0;
2291		}
2292
2293		int suseGrubConfGetBoot(const char * path, char ** bootPtr) {
2294		char * grubDevice;
2295
2296		if (suseGrubConfGetInstallDevice(path, &grubDevice))
2297		dbgPrintf("error looking for grub installation device\n");
2298		else
2299		dbgPrintf("grubby installation device: %s\n", grubDevice);
2300
2301		if (grubGetBootFromDeviceMap(grubDevice, bootPtr))
2302		dbgPrintf("error looking for grub boot device\n");
2303		else
2304		dbgPrintf("grubby boot device: %s\n", *bootPtr);
2305
2306		free(grubDevice);
2307		return 0;
2308		}
2309
2310		int parseSuseGrubConf(int * lbaPtr, char ** bootPtr) {
2311		/*
2312		* This SuSE grub configuration file at this location is not your average
2313		* grub configuration file, but instead the grub commands used to setup
2314		* grub on that system.
2315		*/
2316		const char * path;
2317		const static char default_path[] = "/etc/grub.conf";
2318
2319		if ((path = getenv("GRUBBY_SUSE_GRUB_CONF")) == NULL)
2320		path = default_path;
2321
2322		if (!isSuseGrubConf(path)) return 1;
2323
2324		if (lbaPtr) {
2325		*lbaPtr = 0;
2326		if (suseGrubConfGetLba(path, lbaPtr))
2327		return 1;
2328		}
2329
2330		if (bootPtr) {
2331		*bootPtr = NULL;
2332		suseGrubConfGetBoot(path, bootPtr);
2333		}
2334
2335		return 0;
2336	}	}
2337
2338	int parseSysconfigGrub(int * lbaPtr, char ** bootPtr) {	int parseSysconfigGrub(int * lbaPtr, char ** bootPtr) {
#	Line 1623  int parseSysconfigGrub(int * lbaPtr, cha	Line 2383  int parseSysconfigGrub(int * lbaPtr, cha
2383	}	}
2384
2385	void dumpSysconfigGrub(void) {	void dumpSysconfigGrub(void) {
2386	char * boot;	char * boot = NULL;
2387	int lba;	int lba;
2388
2389	if (!parseSysconfigGrub(&lba, &boot)) {	if (isSuseSystem()) {
2390	if (lba) printf("lba\n");	if (parseSuseGrubConf(&lba, &boot)) {
2391	if (boot) printf("boot=%s\n", boot);	free(boot);
2392		return;
2393		}
2394		} else {
2395		if (parseSysconfigGrub(&lba, &boot)) {
2396		free(boot);
2397		return;
2398		}
2399		}
2400
2401		if (lba) printf("lba\n");
2402		if (boot) {
2403		printf("boot=%s\n", boot);
2404		free(boot);
2405	}	}
2406	}	}
2407
#	Line 1677  struct singleLine * addLineTmpl(struct s	Line 2450  struct singleLine * addLineTmpl(struct s
2450	{	{
2451	struct singleLine * newLine = lineDup(tmplLine);	struct singleLine * newLine = lineDup(tmplLine);
2452
2453		if (isEfi && cfi == &grub2ConfigType) {
2454		enum lineType_e old = newLine->type;
2455		newLine->type = preferredLineType(newLine->type, cfi);
2456		if (old != newLine->type)
2457		newLine->elements[0].item = getKeyByType(newLine->type, cfi);
2458		}
2459
2460	if (val) {	if (val) {
2461	/* override the inherited value with our own.	/* override the inherited value with our own.
2462	* This is a little weak because it only applies to elements[1]	* This is a little weak because it only applies to elements[1]
#	Line 1686  struct singleLine * addLineTmpl(struct s	Line 2466  struct singleLine * addLineTmpl(struct s
2466	insertElement(newLine, val, 1, cfi);	insertElement(newLine, val, 1, cfi);
2467
2468	/* but try to keep the rootspec from the template... sigh */	/* but try to keep the rootspec from the template... sigh */
2469	if (tmplLine->type & (LT_HYPER|LT_KERNEL|LT_MBMODULE|LT_INITRD)) {	if (tmplLine->type & (LT_HYPER|LT_KERNEL|LT_MBMODULE|LT_INITRD|LT_KERNEL_EFI|LT_INITRD_EFI)) {
2470	char * rootspec = getRootSpecifier(tmplLine->elements[1].item);	char * rootspec = getRootSpecifier(tmplLine->elements[1].item);
2471	if (rootspec != NULL) {	if (rootspec != NULL) {
2472	free(newLine->elements[1].item);	free(newLine->elements[1].item);
#	Line 1723  struct singleLine *  addLine(struct sing	Line 2503  struct singleLine *  addLine(struct sing
2503	/* NB: This function shouldn't allocate items on the heap, rather on the	/* NB: This function shouldn't allocate items on the heap, rather on the
2504	* stack since it calls addLineTmpl which will make copies.	* stack since it calls addLineTmpl which will make copies.
2505	*/	*/
2506	if (type == LT_TITLE && cfi->titleBracketed) {	if (type == LT_TITLE && cfi->titleBracketed) {
2507	/* we're doing a bracketed title (zipl) */	/* we're doing a bracketed title (zipl) */
2508	tmpl.type = type;	tmpl.type = type;
#	Line 1733  struct singleLine *  addLine(struct sing	Line 2512  struct singleLine *  addLine(struct sing
2512	sprintf(tmpl.elements[0].item, "[%s]", val);	sprintf(tmpl.elements[0].item, "[%s]", val);
2513	tmpl.elements[0].indent = "";	tmpl.elements[0].indent = "";
2514	val = NULL;	val = NULL;
2515		} else if (type == LT_MENUENTRY) {
2516		char *lineend = "--class gnu-linux --class gnu --class os {";
2517		if (!val) {
2518		fprintf(stderr, "Line type LT_MENUENTRY requires a value\n");
2519		abort();
2520		}
2521		kw = getKeywordByType(type, cfi);
2522		if (!kw) {
2523		fprintf(stderr, "Looking up keyword for unknown type %d\n", type);
2524		abort();
2525		}
2526		tmpl.indent = "";
2527		tmpl.type = type;
2528		tmpl.numElements = 3;
2529		tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements);
2530		tmpl.elements[0].item = kw->key;
2531		tmpl.elements[0].indent = alloca(2);
2532		sprintf(tmpl.elements[0].indent, "%c", kw->nextChar);
2533		tmpl.elements[1].item = (char *)val;
2534		tmpl.elements[1].indent = alloca(2);
2535		sprintf(tmpl.elements[1].indent, "%c", kw->nextChar);
2536		tmpl.elements[2].item = alloca(strlen(lineend)+1);
2537		strcpy(tmpl.elements[2].item, lineend);
2538		tmpl.elements[2].indent = "";
2539	} else {	} else {
2540	kw = getKeywordByType(type, cfi);	kw = getKeywordByType(type, cfi);
2541	if (!kw) abort();	if (!kw) {
2542		fprintf(stderr, "Looking up keyword for unknown type %d\n", type);
2543		abort();
2544		}
2545	tmpl.type = type;	tmpl.type = type;
2546	tmpl.numElements = val ? 2 : 1;	tmpl.numElements = val ? 2 : 1;
2547	tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements);	tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements);
#	Line 1759  struct singleLine *  addLine(struct sing	Line 2565  struct singleLine *  addLine(struct sing
2565	if (!line->next && !prev) prev = line;	if (!line->next && !prev) prev = line;
2566	}	}
2567
2568	if (prev == entry->lines)	struct singleLine *menuEntry;
2569	tmpl.indent = defaultIndent ?: "";	menuEntry = getLineByType(LT_MENUENTRY, entry->lines);
2570	else	if (tmpl.type == LT_ENTRY_END) {
2571	tmpl.indent = prev->indent;	if (menuEntry)
2572		tmpl.indent = menuEntry->indent;
2573		else
2574		tmpl.indent = defaultIndent ?: "";
2575		} else if (tmpl.type != LT_MENUENTRY) {
2576		if (menuEntry)
2577		tmpl.indent = "\t";
2578		else if (prev == entry->lines)
2579		tmpl.indent = defaultIndent ?: "";
2580		else
2581		tmpl.indent = prev->indent;
2582		}
2583
2584	return addLineTmpl(entry, &tmpl, prev, val, cfi);	return addLineTmpl(entry, &tmpl, prev, val, cfi);
2585	}	}
#	Line 1789  void removeLine(struct singleEntry * ent	Line 2606  void removeLine(struct singleEntry * ent
2606	free(line);	free(line);
2607	}	}
2608
2609		static void requote(struct singleLine *tmplLine, struct configFileInfo * cfi)
2610		{
2611		struct singleLine newLine = {
2612		.indent = tmplLine->indent,
2613		.type = tmplLine->type,
2614		.next = tmplLine->next,
2615		};
2616		int firstQuotedItem = -1;
2617		int quoteLen = 0;
2618		int j;
2619		int element = 0;
2620		char *c;
2621
2622		c = malloc(strlen(tmplLine->elements[0].item) + 1);
2623		strcpy(c, tmplLine->elements[0].item);
2624		insertElement(&newLine, c, element++, cfi);
2625		free(c);
2626		c = NULL;
2627
2628		for (j = 1; j < tmplLine->numElements; j++) {
2629		if (firstQuotedItem == -1) {
2630		quoteLen += strlen(tmplLine->elements[j].item);
2631
2632		if (isquote(tmplLine->elements[j].item[0])) {
2633		firstQuotedItem = j;
2634		quoteLen += strlen(tmplLine->elements[j].indent);
2635		} else {
2636		c = malloc(quoteLen + 1);
2637		strcpy(c, tmplLine->elements[j].item);
2638		insertElement(&newLine, c, element++, cfi);
2639		free(c);
2640		quoteLen = 0;
2641		}
2642		} else {
2643		int itemlen = strlen(tmplLine->elements[j].item);
2644		quoteLen += itemlen;
2645		quoteLen += strlen(tmplLine->elements[j].indent);
2646
2647		if (isquote(tmplLine->elements[j].item[itemlen - 1])) {
2648		c = malloc(quoteLen + 1);
2649		c[0] = '\0';
2650		for (int i = firstQuotedItem; i < j+1; i++) {
2651		strcat(c, tmplLine->elements[i].item);
2652		strcat(c, tmplLine->elements[i].indent);
2653		}
2654		insertElement(&newLine, c, element++, cfi);
2655		free(c);
2656
2657		firstQuotedItem = -1;
2658		quoteLen = 0;
2659		}
2660		}
2661		}
2662		while (tmplLine->numElements)
2663		removeElement(tmplLine, 0);
2664		if (tmplLine->elements)
2665		free(tmplLine->elements);
2666
2667		tmplLine->numElements = newLine.numElements;
2668		tmplLine->elements = newLine.elements;
2669		}
2670
2671	static void insertElement(struct singleLine * line,	static void insertElement(struct singleLine * line,
2672	const char * item, int insertHere,	const char * item, int insertHere,
2673	struct configFileInfo * cfi)	struct configFileInfo * cfi)
#	Line 1895  int updateActualImage(struct grubConfig	Line 2774  int updateActualImage(struct grubConfig
2774	const char ** arg;	const char ** arg;
2775	int useKernelArgs, useRoot;	int useKernelArgs, useRoot;
2776	int firstElement;	int firstElement;
2777	int *usedElements, *usedArgs;	int *usedElements;
2778	int doreplace;	int doreplace;
2779
2780	if (!image) return 0;	if (!image) return 0;
#	Line 1930  int updateActualImage(struct grubConfig	Line 2809  int updateActualImage(struct grubConfig
2809	useRoot = (getKeywordByType(LT_ROOT, cfg->cfi)	useRoot = (getKeywordByType(LT_ROOT, cfg->cfi)
2810	&& !multibootArgs);	&& !multibootArgs);
2811
	for (k = 0, arg = newArgs; *arg; arg++, k++) ;
	usedArgs = calloc(k, sizeof(*usedArgs));
2812	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
2813
2814	if (multibootArgs && !entry->multiboot)	if (multibootArgs && !entry->multiboot)
#	Line 1960  int updateActualImage(struct grubConfig	Line 2836  int updateActualImage(struct grubConfig
2836	firstElement = 2;	firstElement = 2;
2837
2838	} else {	} else {
2839	line = getLineByType(LT_KERNEL|LT_MBMODULE, entry->lines);	line = getLineByType(LT_KERNEL|LT_MBMODULE|LT_KERNEL_EFI, entry->lines);
2840	if (!line) {	if (!line) {
2841	/* no LT_KERNEL or LT_MBMODULE in this entry? */	/* no LT_KERNEL or LT_MBMODULE in this entry? */
2842	continue;	continue;
#	Line 2008  int updateActualImage(struct grubConfig	Line 2884  int updateActualImage(struct grubConfig
2884	usedElements = calloc(line->numElements, sizeof(*usedElements));	usedElements = calloc(line->numElements, sizeof(*usedElements));
2885
2886	for (k = 0, arg = newArgs; *arg; arg++, k++) {	for (k = 0, arg = newArgs; *arg; arg++, k++) {
	if (usedArgs[k]) continue;
2887
2888	doreplace = 1;	doreplace = 1;
2889	for (i = firstElement; i < line->numElements; i++) {	for (i = firstElement; i < line->numElements; i++) {
#	Line 2023  int updateActualImage(struct grubConfig	Line 2898  int updateActualImage(struct grubConfig
2898	continue;	continue;
2899	if (!argMatch(line->elements[i].item, *arg)) {	if (!argMatch(line->elements[i].item, *arg)) {
2900	usedElements[i]=1;	usedElements[i]=1;
	usedArgs[k]=1;
2901	break;	break;
2902	}	}
2903	}	}
#	Line 2093  int updateActualImage(struct grubConfig	Line 2967  int updateActualImage(struct grubConfig
2967	}	}
2968	}	}
2969
	free(usedArgs);
2970	free(newArgs);	free(newArgs);
2971	free(oldArgs);	free(oldArgs);
2972
#	Line 2119  int updateImage(struct grubConfig * cfg,	Line 2992  int updateImage(struct grubConfig * cfg,
2992	return rc;	return rc;
2993	}	}
2994
2995		int updateInitrd(struct grubConfig * cfg, const char * image,
2996		const char * prefix, const char * initrd) {
2997		struct singleEntry * entry;
2998		struct singleLine * line, * kernelLine, *endLine = NULL;
2999		int index = 0;
3000
3001		if (!image) return 0;
3002
3003		for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
3004		kernelLine = getLineByType(LT_KERNEL|LT_KERNEL_EFI, entry->lines);
3005		if (!kernelLine) continue;
3006
3007		line = getLineByType(LT_INITRD|LT_INITRD_EFI, entry->lines);
3008		if (line)
3009		removeLine(entry, line);
3010		if (prefix) {
3011		int prefixLen = strlen(prefix);
3012		if (!strncmp(initrd, prefix, prefixLen))
3013		initrd += prefixLen;
3014		}
3015		endLine = getLineByType(LT_ENTRY_END, entry->lines);
3016		if (endLine)
3017		removeLine(entry, endLine);
3018		line = addLine(entry, cfg->cfi, preferredLineType(LT_INITRD, cfg->cfi),
3019		kernelLine->indent, initrd);
3020		if (!line)
3021		return 1;
3022		if (endLine) {
3023		line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL);
3024		if (!line)
3025		return 1;
3026		}
3027
3028		break;
3029		}
3030
3031		return 0;
3032		}
3033
3034	int checkDeviceBootloader(const char * device, const unsigned char * boot) {	int checkDeviceBootloader(const char * device, const unsigned char * boot) {
3035	int fd;	int fd;
3036	unsigned char bootSect[512];	unsigned char bootSect[512];
#	Line 2142  int checkDeviceBootloader(const char * d	Line 3054  int checkDeviceBootloader(const char * d
3054	if (memcmp(boot, bootSect, 3))	if (memcmp(boot, bootSect, 3))
3055	return 0;	return 0;
3056
3057	if (boot[1] == 0xeb) {	if (boot[1] == JMP_SHORT_OPCODE) {
3058	offset = boot[2] + 2;	offset = boot[2] + 2;
3059	} else if (boot[1] == 0xe8 || boot[1] == 0xe9) {	} else if (boot[1] == 0xe8 || boot[1] == 0xe9) {
3060	offset = (boot[3] << 8) + boot[2] + 2;	offset = (boot[3] << 8) + boot[2] + 2;
3061	} else if (boot[0] == 0xeb) {	} else if (boot[0] == JMP_SHORT_OPCODE) {
3062	offset = boot[1] + 2;	offset = boot[1] + 2;
3063		/*
3064		* it looks like grub, when copying stage1 into the mbr, patches stage1
3065		* right after the JMP location, replacing other instructions such as
3066		* JMPs for NOOPs. So, relax the check a little bit by skipping those
3067		* different bytes.
3068		*/
3069		if ((bootSect[offset + 1] == NOOP_OPCODE)
3070		&& (bootSect[offset + 2] == NOOP_OPCODE)) {
3071		offset = offset + 3;
3072		}
3073	} else if (boot[0] == 0xe8 || boot[0] == 0xe9) {	} else if (boot[0] == 0xe8 || boot[0] == 0xe9) {
3074	offset = (boot[2] << 8) + boot[1] + 2;	offset = (boot[2] << 8) + boot[1] + 2;
3075	} else {	} else {
#	Line 2289  int checkForLilo(struct grubConfig * con	Line 3211  int checkForLilo(struct grubConfig * con
3211	return checkDeviceBootloader(line->elements[1].item, boot);	return checkDeviceBootloader(line->elements[1].item, boot);
3212	}	}
3213
3214		int checkForGrub2(struct grubConfig * config) {
3215		if (!access("/etc/grub.d/", R_OK))
3216		return 2;
3217
3218		return 1;
3219		}
3220
3221	int checkForGrub(struct grubConfig * config) {	int checkForGrub(struct grubConfig * config) {
3222	int fd;	int fd;
3223	unsigned char bootSect[512];	unsigned char bootSect[512];
3224	char * boot;	char * boot;
3225		int onSuse = isSuseSystem();
3226
3227	if (parseSysconfigGrub(NULL, &boot))
3228	return 0;	if (onSuse) {
3229		if (parseSuseGrubConf(NULL, &boot))
3230		return 0;
3231		} else {
3232		if (parseSysconfigGrub(NULL, &boot))
3233		return 0;
3234		}
3235
3236	/* assume grub is not installed -- not an error condition */	/* assume grub is not installed -- not an error condition */
3237	if (!boot)	if (!boot)
#	Line 2314  int checkForGrub(struct grubConfig * con	Line 3250  int checkForGrub(struct grubConfig * con
3250	}	}
3251	close(fd);	close(fd);
3252
3253		/* The more elaborate checks do not work on SuSE. The checks done
3254		* seem to be reasonble (at least for now), so just return success
3255		*/
3256		if (onSuse)
3257		return 2;
3258
3259	return checkDeviceBootloader(boot, bootSect);	return checkDeviceBootloader(boot, bootSect);
3260	}	}
3261
#	Line 2347  int checkForExtLinux(struct grubConfig *	Line 3289  int checkForExtLinux(struct grubConfig *
3289	return checkDeviceBootloader(boot, bootSect);	return checkDeviceBootloader(boot, bootSect);
3290	}	}
3291
3292		int checkForYaboot(struct grubConfig * config) {
3293		/*
3294		* This is a simplistic check that we consider good enough for own puporses
3295		*
3296		* If we were to properly check if yaboot is *installed* we'd need to:
3297		* 1) get the system boot device (LT_BOOT)
3298		* 2) considering it's a raw filesystem, check if the yaboot binary matches
3299		*    the content on the boot device
3300		* 3) if not, copy the binary to a temporary file and run "addnote" on it
3301		* 4) check again if binary and boot device contents match
3302		*/
3303		if (!access("/etc/yaboot.conf", R_OK))
3304		return 2;
3305
3306		return 1;
3307		}
3308
3309		int checkForElilo(struct grubConfig * config) {
3310		if (!access("/etc/elilo.conf", R_OK))
3311		return 2;
3312
3313		return 1;
3314		}
3315
3316	static char * getRootSpecifier(char * str) {	static char * getRootSpecifier(char * str) {
3317	char * idx, * rootspec = NULL;	char * idx, * rootspec = NULL;
3318
#	Line 2361  static char * getRootSpecifier(char * st	Line 3327  static char * getRootSpecifier(char * st
3327	static char * getInitrdVal(struct grubConfig * config,	static char * getInitrdVal(struct grubConfig * config,
3328	const char * prefix, struct singleLine *tmplLine,	const char * prefix, struct singleLine *tmplLine,
3329	const char * newKernelInitrd,	const char * newKernelInitrd,
3330	char ** extraInitrds, int extraInitrdCount)	const char ** extraInitrds, int extraInitrdCount)
3331	{	{
3332	char *initrdVal, *end;	char *initrdVal, *end;
3333	int i;	int i;
#	Line 2406  static char * getInitrdVal(struct grubCo	Line 3372  static char * getInitrdVal(struct grubCo
3372
3373	int addNewKernel(struct grubConfig * config, struct singleEntry * template,	int addNewKernel(struct grubConfig * config, struct singleEntry * template,
3374	const char * prefix,	const char * prefix,
3375	char * newKernelPath, char * newKernelTitle,	const char * newKernelPath, const char * newKernelTitle,
3376	char * newKernelArgs, char * newKernelInitrd,	const char * newKernelArgs, const char * newKernelInitrd,
3377	char ** extraInitrds, int extraInitrdCount,	const char ** extraInitrds, int extraInitrdCount,
3378	char * newMBKernel, char * newMBKernelArgs) {	const char * newMBKernel, const char * newMBKernelArgs) {
3379	struct singleEntry * new;	struct singleEntry * new;
3380	struct singleLine * newLine = NULL, * tmplLine = NULL, * masterLine = NULL;	struct singleLine * newLine = NULL, * tmplLine = NULL, * masterLine = NULL;
3381	int needs;	int needs;
#	Line 2463  int addNewKernel(struct grubConfig * con	Line 3429  int addNewKernel(struct grubConfig * con
3429	while (*chptr && isspace(*chptr)) chptr++;	while (*chptr && isspace(*chptr)) chptr++;
3430	if (*chptr == '#') continue;	if (*chptr == '#') continue;
3431
3432	if (tmplLine->type == LT_KERNEL &&	if (iskernel(tmplLine->type) && tmplLine->numElements >= 2) {
	tmplLine->numElements >= 2) {
3433	if (!template->multiboot && (needs & NEED_MB)) {	if (!template->multiboot && (needs & NEED_MB)) {
3434	/* it's not a multiboot template and this is the kernel	/* it's not a multiboot template and this is the kernel
3435	* line.  Try to be intelligent about inserting the	* line.  Try to be intelligent about inserting the
#	Line 2541  int addNewKernel(struct grubConfig * con	Line 3506  int addNewKernel(struct grubConfig * con
3506	/* template is multi but new is not,	/* template is multi but new is not,
3507	* insert the kernel in the first module slot	* insert the kernel in the first module slot
3508	*/	*/
3509	tmplLine->type = LT_KERNEL;	tmplLine->type = preferredLineType(LT_KERNEL, config->cfi);
3510	free(tmplLine->elements[0].item);	free(tmplLine->elements[0].item);
3511	tmplLine->elements[0].item =	tmplLine->elements[0].item =
3512	strdup(getKeywordByType(LT_KERNEL, config->cfi)->key);	strdup(getKeywordByType(tmplLine->type,
3513		config->cfi)->key);
3514	newLine = addLineTmpl(new, tmplLine, newLine,	newLine = addLineTmpl(new, tmplLine, newLine,
3515	newKernelPath + strlen(prefix), config->cfi);	newKernelPath + strlen(prefix),
3516		config->cfi);
3517	needs &= ~NEED_KERNEL;	needs &= ~NEED_KERNEL;
3518	} else if (needs & NEED_INITRD) {	} else if (needs & NEED_INITRD) {
3519	char *initrdVal;	char *initrdVal;
3520	/* template is multi but new is not,	/* template is multi but new is not,
3521	* insert the initrd in the second module slot	* insert the initrd in the second module slot
3522	*/	*/
3523	tmplLine->type = LT_INITRD;	tmplLine->type = preferredLineType(LT_INITRD, config->cfi);
3524	free(tmplLine->elements[0].item);	free(tmplLine->elements[0].item);
3525	tmplLine->elements[0].item =	tmplLine->elements[0].item =
3526	strdup(getKeywordByType(LT_INITRD, config->cfi)->key);	strdup(getKeywordByType(tmplLine->type,
3527		config->cfi)->key);
3528	initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount);	initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount);
3529	newLine = addLineTmpl(new, tmplLine, newLine, initrdVal, config->cfi);	newLine = addLineTmpl(new, tmplLine, newLine, initrdVal, config->cfi);
3530	free(initrdVal);	free(initrdVal);
3531	needs &= ~NEED_INITRD;	needs &= ~NEED_INITRD;
3532	}	}
3533
3534	} else if (tmplLine->type == LT_INITRD &&	} else if (isinitrd(tmplLine->type) && tmplLine->numElements >= 2) {
	tmplLine->numElements >= 2) {
3535	if (needs & NEED_INITRD &&	if (needs & NEED_INITRD &&
3536	new->multiboot && !template->multiboot &&	new->multiboot && !template->multiboot &&
3537	config->cfi->mbInitRdIsModule) {	config->cfi->mbInitRdIsModule) {
#	Line 2590  int addNewKernel(struct grubConfig * con	Line 3557  int addNewKernel(struct grubConfig * con
3557	needs &= ~NEED_INITRD;	needs &= ~NEED_INITRD;
3558	}	}
3559
3560		} else if (tmplLine->type == LT_MENUENTRY &&
3561		(needs & NEED_TITLE)) {
3562		requote(tmplLine, config->cfi);
3563		char *nkt = malloc(strlen(newKernelTitle)+3);
3564		strcpy(nkt, "'");
3565		strcat(nkt, newKernelTitle);
3566		strcat(nkt, "'");
3567		newLine = addLineTmpl(new, tmplLine, newLine, nkt, config->cfi);
3568		free(nkt);
3569		needs &= ~NEED_TITLE;
3570	} else if (tmplLine->type == LT_TITLE &&	} else if (tmplLine->type == LT_TITLE &&
3571	(needs & NEED_TITLE)) {	(needs & NEED_TITLE)) {
3572	if (tmplLine->numElements >= 2) {	if (tmplLine->numElements >= 2) {
#	Line 2603  int addNewKernel(struct grubConfig * con	Line 3580  int addNewKernel(struct grubConfig * con
3580	tmplLine->indent, newKernelTitle);	tmplLine->indent, newKernelTitle);
3581	needs &= ~NEED_TITLE;	needs &= ~NEED_TITLE;
3582	}	}
3583		} else if (tmplLine->type == LT_ECHO) {
3584		requote(tmplLine, config->cfi);
3585		static const char *prefix = "'Loading ";
3586		if (tmplLine->numElements > 1 &&
3587		strstr(tmplLine->elements[1].item, prefix) &&
3588		masterLine->next &&
3589		iskernel(masterLine->next->type)) {
3590		char *newTitle = malloc(strlen(prefix) +
3591		strlen(newKernelTitle) + 2);
3592
3593		strcpy(newTitle, prefix);
3594		strcat(newTitle, newKernelTitle);
3595		strcat(newTitle, "'");
3596		newLine = addLine(new, config->cfi, LT_ECHO,
3597		tmplLine->indent, newTitle);
3598		free(newTitle);
3599		} else {
3600		/* pass through other lines from the template */
3601		newLine = addLineTmpl(new, tmplLine, newLine, NULL,
3602		config->cfi);
3603		}
3604	} else {	} else {
3605	/* pass through other lines from the template */	/* pass through other lines from the template */
3606	newLine = addLineTmpl(new, tmplLine, newLine, NULL, config->cfi);	newLine = addLineTmpl(new, tmplLine, newLine, NULL, config->cfi);
#	Line 2614  int addNewKernel(struct grubConfig * con	Line 3611  int addNewKernel(struct grubConfig * con
3611	/* don't have a template, so start the entry with the	/* don't have a template, so start the entry with the
3612	* appropriate starting line	* appropriate starting line
3613	*/	*/
3614	switch (config->cfi->entrySeparator) {	switch (config->cfi->entryStart) {
3615	case LT_KERNEL:	case LT_KERNEL:
3616		case LT_KERNEL_EFI:
3617	if (new->multiboot && config->cfi->mbHyperFirst) {	if (new->multiboot && config->cfi->mbHyperFirst) {
3618	/* fall through to LT_HYPER */	/* fall through to LT_HYPER */
3619	} else {	} else {
3620	newLine = addLine(new, config->cfi, LT_KERNEL,	newLine = addLine(new, config->cfi,
3621		preferredLineType(LT_KERNEL, config->cfi),
3622	config->primaryIndent,	config->primaryIndent,
3623	newKernelPath + strlen(prefix));	newKernelPath + strlen(prefix));
3624	needs &= ~NEED_KERNEL;	needs &= ~NEED_KERNEL;
#	Line 2633  int addNewKernel(struct grubConfig * con	Line 3632  int addNewKernel(struct grubConfig * con
3632	needs &= ~NEED_MB;	needs &= ~NEED_MB;
3633	break;	break;
3634
3635		case LT_MENUENTRY: {
3636		char *nkt = malloc(strlen(newKernelTitle)+3);
3637		strcpy(nkt, "'");
3638		strcat(nkt, newKernelTitle);
3639		strcat(nkt, "'");
3640		newLine = addLine(new, config->cfi, LT_MENUENTRY,
3641		config->primaryIndent, nkt);
3642		free(nkt);
3643		needs &= ~NEED_TITLE;
3644		needs |= NEED_END;
3645		break;
3646		}
3647	case LT_TITLE:	case LT_TITLE:
3648	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)
3649	char * templabel;	char * templabel;
#	Line 2666  int addNewKernel(struct grubConfig * con	Line 3677  int addNewKernel(struct grubConfig * con
3677
3678	/* add the remainder of the lines, i.e. those that either	/* add the remainder of the lines, i.e. those that either
3679	* 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,
3680	* all the lines following the entrySeparator.	* all the lines following the entryStart.
3681	*/	*/
3682	if (needs & NEED_TITLE) {	if (needs & NEED_TITLE) {
3683	newLine = addLine(new, config->cfi, LT_TITLE,	newLine = addLine(new, config->cfi, LT_TITLE,
#	Line 2683  int addNewKernel(struct grubConfig * con	Line 3694  int addNewKernel(struct grubConfig * con
3694	if (needs & NEED_KERNEL) {	if (needs & NEED_KERNEL) {
3695	newLine = addLine(new, config->cfi,	newLine = addLine(new, config->cfi,
3696	(new->multiboot && getKeywordByType(LT_MBMODULE,	(new->multiboot && getKeywordByType(LT_MBMODULE,
3697	config->cfi)) ?	config->cfi))
3698	LT_MBMODULE : LT_KERNEL,	? LT_MBMODULE
3699		: preferredLineType(LT_KERNEL, config->cfi),
3700	config->secondaryIndent,	config->secondaryIndent,
3701	newKernelPath + strlen(prefix));	newKernelPath + strlen(prefix));
3702	needs &= ~NEED_KERNEL;	needs &= ~NEED_KERNEL;
#	Line 2700  int addNewKernel(struct grubConfig * con	Line 3712  int addNewKernel(struct grubConfig * con
3712	initrdVal = getInitrdVal(config, prefix, NULL, newKernelInitrd, extraInitrds, extraInitrdCount);	initrdVal = getInitrdVal(config, prefix, NULL, newKernelInitrd, extraInitrds, extraInitrdCount);
3713	newLine = addLine(new, config->cfi,	newLine = addLine(new, config->cfi,
3714	(new->multiboot && getKeywordByType(LT_MBMODULE,	(new->multiboot && getKeywordByType(LT_MBMODULE,
3715	config->cfi)) ?	config->cfi))
3716	LT_MBMODULE : LT_INITRD,	? LT_MBMODULE
3717		: preferredLineType(LT_INITRD, config->cfi),
3718	config->secondaryIndent,	config->secondaryIndent,
3719	initrdVal);	initrdVal);
3720	free(initrdVal);	free(initrdVal);
3721	needs &= ~NEED_INITRD;	needs &= ~NEED_INITRD;
3722	}	}
3723		if (needs & NEED_END) {
3724		newLine = addLine(new, config->cfi, LT_ENTRY_END,
3725		config->secondaryIndent, NULL);
3726		needs &= ~NEED_END;
3727		}
3728
3729	if (needs) {	if (needs) {
3730	printf(_("grubby: needs=%d, aborting\n"), needs);	printf(_("grubby: needs=%d, aborting\n"), needs);
#	Line 2736  static void traceback(int signum)	Line 3754  static void traceback(int signum)
3754
3755	int main(int argc, const char ** argv) {	int main(int argc, const char ** argv) {
3756	poptContext optCon;	poptContext optCon;
3757	char * grubConfig = NULL;	const char * grubConfig = NULL;
3758	char * outputFile = NULL;	char * outputFile = NULL;
3759	int arg = 0;	int arg = 0;
3760	int flags = 0;	int flags = 0;
3761	int badImageOkay = 0;	int badImageOkay = 0;
3762		int configureGrub2 = 0;
3763	int configureLilo = 0, configureELilo = 0, configureGrub = 0;	int configureLilo = 0, configureELilo = 0, configureGrub = 0;
3764	int configureYaboot = 0, configureSilo = 0, configureZipl = 0;	int configureYaboot = 0, configureSilo = 0, configureZipl = 0;
3765	int configureExtLinux = 0;	int configureExtLinux = 0;
#	Line 2768  int main(int argc, const char ** argv) {	Line 3787  int main(int argc, const char ** argv) {
3787	struct singleEntry * template = NULL;	struct singleEntry * template = NULL;
3788	int copyDefault = 0, makeDefault = 0;	int copyDefault = 0, makeDefault = 0;
3789	int displayDefault = 0;	int displayDefault = 0;
3790		int displayDefaultIndex = 0;
3791		int displayDefaultTitle = 0;
3792		int defaultIndex = -1;
3793	struct poptOption options[] = {	struct poptOption options[] = {
3794	{ "add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0,	{ "add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0,
3795	_("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 3807  int main(int argc, const char ** argv) {
3807	{ "boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0,	{ "boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0,
3808	_("filestystem which contains /boot directory (for testing only)"),	_("filestystem which contains /boot directory (for testing only)"),
3809	_("bootfs") },	_("bootfs") },
3810	#if defined(__i386__) || defined(__x86_64__)	#if defined(__i386__) || defined(__x86_64__) || defined (__powerpc64__) || defined (__ia64__)
3811	{ "bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0,	{ "bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0,
3812	_("check if lilo is installed on lilo.conf boot sector") },	_("check which bootloader is installed on boot sector") },
3813	#endif	#endif
3814	{ "config-file", 'c', POPT_ARG_STRING, &grubConfig, 0,	{ "config-file", 'c', POPT_ARG_STRING, &grubConfig, 0,
3815	_("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 3820  int main(int argc, const char ** argv) {
3820	"the kernel referenced by the default image does not exist, "	"the kernel referenced by the default image does not exist, "
3821	"the first linux entry whose kernel does exist is used as the "	"the first linux entry whose kernel does exist is used as the "
3822	"template"), NULL },	"template"), NULL },
3823		{ "debug", 0, 0, &debug, 0,
3824		_("print debugging information for failures") },
3825	{ "default-kernel", 0, 0, &displayDefault, 0,	{ "default-kernel", 0, 0, &displayDefault, 0,
3826	_("display the path of the default kernel") },	_("display the path of the default kernel") },
3827		{ "default-index", 0, 0, &displayDefaultIndex, 0,
3828		_("display the index of the default kernel") },
3829		{ "default-title", 0, 0, &displayDefaultTitle, 0,
3830		_("display the title of the default kernel") },
3831	{ "elilo", 0, POPT_ARG_NONE, &configureELilo, 0,	{ "elilo", 0, POPT_ARG_NONE, &configureELilo, 0,
3832	_("configure elilo bootloader") },	_("configure elilo bootloader") },
3833		{ "efi", 0, POPT_ARG_NONE, &isEfi, 0,
3834		_("force grub2 stanzas to use efi") },
3835	{ "extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0,	{ "extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0,
3836	_("configure extlinux bootloader (from syslinux)") },	_("configure extlinux bootloader (from syslinux)") },
3837	{ "grub", 0, POPT_ARG_NONE, &configureGrub, 0,	{ "grub", 0, POPT_ARG_NONE, &configureGrub, 0,
3838	_("configure grub bootloader") },	_("configure grub bootloader") },
3839		{ "grub2", 0, POPT_ARG_NONE, &configureGrub2, 0,
3840		_("configure grub2 bootloader") },
3841	{ "info", 0, POPT_ARG_STRING, &kernelInfo, 0,	{ "info", 0, POPT_ARG_STRING, &kernelInfo, 0,
3842	_("display boot information for specified kernel"),	_("display boot information for specified kernel"),
3843	_("kernel-path") },	_("kernel-path") },
#	Line 2832  int main(int argc, const char ** argv) {	Line 3864  int main(int argc, const char ** argv) {
3864	{ "set-default", 0, POPT_ARG_STRING, &defaultKernel, 0,	{ "set-default", 0, POPT_ARG_STRING, &defaultKernel, 0,
3865	_("make the first entry referencing the specified kernel "	_("make the first entry referencing the specified kernel "
3866	"the default"), _("kernel-path") },	"the default"), _("kernel-path") },
3867		{ "set-default-index", 0, POPT_ARG_INT, &defaultIndex, 0,
3868		_("make the given entry index the default entry"),
3869		_("entry-index") },
3870	{ "silo", 0, POPT_ARG_NONE, &configureSilo, 0,	{ "silo", 0, POPT_ARG_NONE, &configureSilo, 0,
3871	_("configure silo bootloader") },	_("configure silo bootloader") },
3872	{ "title", 0, POPT_ARG_STRING, &newKernelTitle, 0,	{ "title", 0, POPT_ARG_STRING, &newKernelTitle, 0,
#	Line 2885  int main(int argc, const char ** argv) {	Line 3920  int main(int argc, const char ** argv) {
3920	return 1;	return 1;
3921	}	}
3922
3923	if ((configureLilo + configureGrub + configureELilo +	if ((configureLilo + configureGrub2 + configureGrub + configureELilo +
3924	configureYaboot + configureSilo + configureZipl +	configureYaboot + configureSilo + configureZipl +
3925	configureExtLinux ) > 1) {	configureExtLinux ) > 1) {
3926	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 3929  int main(int argc, const char ** argv) {
3929	fprintf(stderr,	fprintf(stderr,
3930	_("grubby: cannot specify config file with --bootloader-probe\n"));	_("grubby: cannot specify config file with --bootloader-probe\n"));
3931	return 1;	return 1;
3932		} else if (configureGrub2) {
3933		cfi = &grub2ConfigType;
3934	} else if (configureLilo) {	} else if (configureLilo) {
3935	cfi = &liloConfigType;	cfi = &liloConfigType;
3936	} else if (configureGrub) {	} else if (configureGrub) {
#	Line 2912  int main(int argc, const char ** argv) {	Line 3949  int main(int argc, const char ** argv) {
3949	}	}
3950
3951	if (!cfi) {	if (!cfi) {
3952		if (grub2FindConfig(&grub2ConfigType))
3953		cfi = &grub2ConfigType;
3954		else
3955	#ifdef __ia64__	#ifdef __ia64__
3956	cfi = &eliloConfigType;	cfi = &eliloConfigType;
3957	#elif __powerpc__	#elif __powerpc__
3958	cfi = &yabootConfigType;	cfi = &yabootConfigType;
3959	#elif __sparc__	#elif __sparc__
3960	cfi = &siloConfigType;	cfi = &siloConfigType;
3961	#elif __s390__	#elif __s390__
3962	cfi = &ziplConfigType;	cfi = &ziplConfigType;
3963	#elif __s390x__	#elif __s390x__
3964	cfi = &ziplConfigtype;	cfi = &ziplConfigtype;
3965	#else	#else
3966	cfi = &grubConfigType;	cfi = &grubConfigType;
3967	#endif	#endif
3968	}	}
3969
3970	if (!grubConfig)	if (!grubConfig) {
3971	grubConfig = cfi->defaultConfig;	if (cfi->findConfig)
3972		grubConfig = cfi->findConfig(cfi);
3973		if (!grubConfig)
3974		grubConfig = cfi->defaultConfig;
3975		}
3976
3977	if (bootloaderProbe && (displayDefault || kernelInfo || newKernelVersion ||	if (bootloaderProbe && (displayDefault || kernelInfo || newKernelVersion ||
3978	newKernelPath || removeKernelPath || makeDefault ||	newKernelPath || removeKernelPath || makeDefault ||
3979	defaultKernel)) {	defaultKernel || displayDefaultIndex || displayDefaultTitle ||
3980		(defaultIndex >= 0))) {
3981	fprintf(stderr, _("grubby: --bootloader-probe may not be used with "	fprintf(stderr, _("grubby: --bootloader-probe may not be used with "
3982	"specified option"));	"specified option"));
3983	return 1;	return 1;
#	Line 2948  int main(int argc, const char ** argv) {	Line 3993  int main(int argc, const char ** argv) {
3993	if (newKernelPath && !newKernelTitle) {	if (newKernelPath && !newKernelTitle) {
3994	fprintf(stderr, _("grubby: kernel title must be specified\n"));	fprintf(stderr, _("grubby: kernel title must be specified\n"));
3995	return 1;	return 1;
3996	} else if (!newKernelPath && (newKernelTitle  || newKernelInitrd ||	} else if (!newKernelPath && (newKernelTitle  || copyDefault ||
3997	newKernelInitrd || copyDefault     ||	(newKernelInitrd && !updateKernelPath)||
3998	makeDefault || extraInitrdCount > 0)) {	makeDefault || extraInitrdCount > 0)) {
3999	fprintf(stderr, _("grubby: kernel path expected\n"));	fprintf(stderr, _("grubby: kernel path expected\n"));
4000	return 1;	return 1;
#	Line 2974  int main(int argc, const char ** argv) {	Line 4019  int main(int argc, const char ** argv) {
4019	makeDefault = 1;	makeDefault = 1;
4020	defaultKernel = NULL;	defaultKernel = NULL;
4021	}	}
4022		else if (defaultKernel && (defaultIndex >= 0)) {
4023		fprintf(stderr, _("grubby: --set-default and --set-default-index "
4024		"may not be used together\n"));
4025		return 1;
4026		}
4027
4028	if (!strcmp(grubConfig, "-") && !outputFile) {	if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) {
4029	fprintf(stderr, _("grubby: output file must be specified if stdin "	fprintf(stderr, _("grubby: output file must be specified if stdin "
4030	"is used\n"));	"is used\n"));
4031	return 1;	return 1;
4032	}	}
4033
4034	if (!removeKernelPath && !newKernelPath && !displayDefault && !defaultKernel	if (!removeKernelPath && !newKernelPath && !displayDefault && !defaultKernel
4035	&& !kernelInfo && !bootloaderProbe && !updateKernelPath	&& !kernelInfo && !bootloaderProbe && !updateKernelPath
4036	&& !removeMBKernel) {	&& !removeMBKernel && !displayDefaultIndex && !displayDefaultTitle
4037		&& (defaultIndex == -1)) {
4038	fprintf(stderr, _("grubby: no action specified\n"));	fprintf(stderr, _("grubby: no action specified\n"));
4039	return 1;	return 1;
4040	}	}
#	Line 3010  int main(int argc, const char ** argv) {	Line 4061  int main(int argc, const char ** argv) {
4061	}	}
4062
4063	if (bootloaderProbe) {	if (bootloaderProbe) {
4064	int lrc = 0, grc = 0, erc = 0;	int lrc = 0, grc = 0, gr2c = 0, extrc = 0, yrc = 0, erc = 0;
4065	struct grubConfig * lconfig, * gconfig;	struct grubConfig * lconfig, * gconfig, * yconfig, * econfig;
4066
4067		const char *grub2config = grub2FindConfig(&grub2ConfigType);
4068		if (grub2config) {
4069		gconfig = readConfig(grub2config, &grub2ConfigType);
4070		if (!gconfig)
4071		gr2c = 1;
4072		else
4073		gr2c = checkForGrub2(gconfig);
4074		}
4075
4076	if (!access(grubConfigType.defaultConfig, F_OK)) {	const char *grubconfig = grubFindConfig(&grubConfigType);
4077	gconfig = readConfig(grubConfigType.defaultConfig, &grubConfigType);	if (!access(grubconfig, F_OK)) {
4078		gconfig = readConfig(grubconfig, &grubConfigType);
4079	if (!gconfig)	if (!gconfig)
4080	grc = 1;	grc = 1;
4081	else	else
#	Line 3029  int main(int argc, const char ** argv) {	Line 4090  int main(int argc, const char ** argv) {
4090	lrc = checkForLilo(lconfig);	lrc = checkForLilo(lconfig);
4091	}	}
4092
4093		if (!access(eliloConfigType.defaultConfig, F_OK)) {
4094		econfig = readConfig(eliloConfigType.defaultConfig,
4095		&eliloConfigType);
4096		if (!econfig)
4097		erc = 1;
4098		else
4099		erc = checkForElilo(econfig);
4100		}
4101
4102	if (!access(extlinuxConfigType.defaultConfig, F_OK)) {	if (!access(extlinuxConfigType.defaultConfig, F_OK)) {
4103	lconfig = readConfig(extlinuxConfigType.defaultConfig, &extlinuxConfigType);	lconfig = readConfig(extlinuxConfigType.defaultConfig, &extlinuxConfigType);
4104	if (!lconfig)	if (!lconfig)
4105	erc = 1;	extrc = 1;
4106	else	else
4107	erc = checkForExtLinux(lconfig);	extrc = checkForExtLinux(lconfig);
4108	}	}
4109
4110	if (lrc == 1 || grc == 1) return 1;
4111		if (!access(yabootConfigType.defaultConfig, F_OK)) {
4112		yconfig = readConfig(yabootConfigType.defaultConfig,
4113		&yabootConfigType);
4114		if (!yconfig)
4115		yrc = 1;
4116		else
4117		yrc = checkForYaboot(yconfig);
4118		}
4119
4120		if (lrc == 1 || grc == 1 || gr2c == 1 || extrc == 1 || yrc == 1 ||
4121		erc == 1)
4122		return 1;
4123
4124	if (lrc == 2) printf("lilo\n");	if (lrc == 2) printf("lilo\n");
4125		if (gr2c == 2) printf("grub2\n");
4126	if (grc == 2) printf("grub\n");	if (grc == 2) printf("grub\n");
4127	if (erc == 2) printf("extlinux\n");	if (extrc == 2) printf("extlinux\n");
4128		if (yrc == 2) printf("yaboot\n");
4129		if (erc == 2) printf("elilo\n");
4130
4131	return 0;	return 0;
4132	}	}
#	Line 3059  int main(int argc, const char ** argv) {	Line 4144  int main(int argc, const char ** argv) {
4144	if (!entry) return 0;	if (!entry) return 0;
4145	if (!suitableImage(entry, bootPrefix, 0, flags)) return 0;	if (!suitableImage(entry, bootPrefix, 0, flags)) return 0;
4146
4147	line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines);	line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI, entry->lines);
4148	if (!line) return 0;	if (!line) return 0;
4149
4150	rootspec = getRootSpecifier(line->elements[1].item);	rootspec = getRootSpecifier(line->elements[1].item);
#	Line 3067  int main(int argc, const char ** argv) {	Line 4152  int main(int argc, const char ** argv) {
4152	((rootspec != NULL) ? strlen(rootspec) : 0));	((rootspec != NULL) ? strlen(rootspec) : 0));
4153
4154	return 0;	return 0;
4155
4156		} else if (displayDefaultTitle) {
4157		struct singleLine * line;
4158		struct singleEntry * entry;
4159
4160		if (config->defaultImage == -1) return 0;
4161		entry = findEntryByIndex(config, config->defaultImage);
4162		if (!entry) return 0;
4163
4164		if (!configureGrub2) {
4165		line = getLineByType(LT_TITLE, entry->lines);
4166		if (!line) return 0;
4167		printf("%s\n", line->elements[1].item);
4168
4169		} else {
4170		char * title;
4171
4172		dbgPrintf("This is GRUB2, default title is embeded in menuentry\n");
4173		line = getLineByType(LT_MENUENTRY, entry->lines);
4174		if (!line) return 0;
4175		title = grub2ExtractTitle(line);
4176		if (title)
4177		printf("%s\n", title);
4178		}
4179		return 0;
4180
4181		} else if (displayDefaultIndex) {
4182		if (config->defaultImage == -1) return 0;
4183		printf("%i\n", config->defaultImage);
4184
4185	} else if (kernelInfo)	} else if (kernelInfo)
4186	return displayInfo(config, kernelInfo, bootPrefix);	return displayInfo(config, kernelInfo, bootPrefix);
4187
#	Line 3078  int main(int argc, const char ** argv) {	Line 4193  int main(int argc, const char ** argv) {
4193	markRemovedImage(config, removeKernelPath, bootPrefix);	markRemovedImage(config, removeKernelPath, bootPrefix);
4194	markRemovedImage(config, removeMBKernel, bootPrefix);	markRemovedImage(config, removeMBKernel, bootPrefix);
4195	setDefaultImage(config, newKernelPath != NULL, defaultKernel, makeDefault,	setDefaultImage(config, newKernelPath != NULL, defaultKernel, makeDefault,
4196	bootPrefix, flags);	bootPrefix, flags, defaultIndex);
4197	setFallbackImage(config, newKernelPath != NULL);	setFallbackImage(config, newKernelPath != NULL);
4198	if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs,	if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs,
4199	removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1;	removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1;
4200		if (updateKernelPath && newKernelInitrd) {
4201		if (updateInitrd(config, updateKernelPath, bootPrefix,
4202		newKernelInitrd)) return 1;
4203		}
4204	if (addNewKernel(config, template, bootPrefix, newKernelPath,	if (addNewKernel(config, template, bootPrefix, newKernelPath,
4205	newKernelTitle, newKernelArgs, newKernelInitrd,	newKernelTitle, newKernelArgs, newKernelInitrd,
4206	extraInitrds, extraInitrdCount,	(const char **)extraInitrds, extraInitrdCount,
4207	newMBKernel, newMBKernelArgs)) return 1;	newMBKernel, newMBKernelArgs)) return 1;
4208
4209
#	Line 3095  int main(int argc, const char ** argv) {	Line 4214  int main(int argc, const char ** argv) {
4214	}	}
4215
4216	if (!outputFile)	if (!outputFile)
4217	outputFile = grubConfig;	outputFile = (char *)grubConfig;
4218
4219	return writeConfig(config, outputFile, bootPrefix);	return writeConfig(config, outputFile, bootPrefix);
4220	}	}

---

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Legend: Removed from v.926   changed lines   Added in v.1940