Diff of /tags/grubby-8_21/grubby.c

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	trunk/mkinitrd-magellan/grubby/grubby.c revision 532 by niro, Sat Sep 1 22:45:15 2007 UTC	trunk/grubby/grubby.c revision 1850 by niro, Mon Jul 2 13:09:12 2012 UTC
#	Line 1	Line 1
1	/* Copyright (C) 2001-2005 Red Hat, Inc.	/*
2		* grubby.c
3	This program is free software; you can redistribute it and/or	*
4	modify it under the terms of the General Public License as published	* Copyright (C) 2001-2008 Red Hat, Inc.
5	by the Free Software Foundation; either version 2 of the License, or	* All rights reserved.
6	(at your option) any later version.	*
7		* This program is free software; you can redistribute it and/or modify
8	This program is distributed in the hope that it will be useful,	* it under the terms of the GNU General Public License as published by
9	but WITHOUT ANY WARRANTY; without even the implied warranty of	* the Free Software Foundation; either version 2 of the License, or
10	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU	* (at your option) any later version.
11	General Public License for more details.	*
12		* This program is distributed in the hope that it will be useful,
13	You should have received a copy of the GNU General Public	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	License along with this program; if not, write to the Free	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15	Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA	* GNU General Public License for more details.
16	02111-1307 USA.  */	*
17		* You should have received a copy of the GNU General Public License
18		* along with this program.  If not, see <http://www.gnu.org/licenses/>.
19		*/
20
21		#ifndef _GNU_SOURCE
22		#define _GNU_SOURCE
23		#endif
24	#include <ctype.h>	#include <ctype.h>
25	#include <errno.h>	#include <errno.h>
26	#include <fcntl.h>	#include <fcntl.h>
#	Line 25	Line 31
31	#include <string.h>	#include <string.h>
32	#include <sys/stat.h>	#include <sys/stat.h>
33	#include <unistd.h>	#include <unistd.h>
34		#include <libgen.h>
35		#include <execinfo.h>
36		#include <signal.h>
37		#include <blkid/blkid.h>
38
39		#ifndef DEBUG
40		#define DEBUG 0
41		#endif
42
43	#include "mount_by_label.h"	#if DEBUG
44		#define dbgPrintf(format, args...) fprintf(stderr, format , ## args)
45		#else
46		#define dbgPrintf(format, args...)
47		#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 */
54	#define CODE_SEG_SIZE  128 /* code segment checked by --bootloader-probe */	#define CODE_SEG_SIZE  128 /* code segment checked by --bootloader-probe */
55
56		#define NOOP_OPCODE 0x90
57		#define JMP_SHORT_OPCODE 0xeb
58
59	/* comments get lumped in with indention */	/* comments get lumped in with indention */
60	struct lineElement {	struct lineElement {
61	char * item;	char * item;
62	char * indent;	char * indent;
63	};	};
64
65	enum lineType_e { LT_WHITESPACE, LT_TITLE, LT_KERNEL, LT_INITRD, LT_DEFAULT,	enum lineType_e {
66	LT_UNKNOWN, LT_ROOT, LT_FALLBACK, LT_KERNELARGS, LT_BOOT,	LT_WHITESPACE   = 1 << 0,
67	LT_BOOTROOT, LT_LBA, LT_MBMODULE, LT_OTHER, LT_GENERIC };	LT_TITLE        = 1 << 1,
68		LT_KERNEL       = 1 << 2,
69		LT_INITRD       = 1 << 3,
70		LT_HYPER        = 1 << 4,
71		LT_DEFAULT      = 1 << 5,
72		LT_MBMODULE     = 1 << 6,
73		LT_ROOT         = 1 << 7,
74		LT_FALLBACK     = 1 << 8,
75		LT_KERNELARGS   = 1 << 9,
76		LT_BOOT         = 1 << 10,
77		LT_BOOTROOT     = 1 << 11,
78		LT_LBA          = 1 << 12,
79		LT_OTHER        = 1 << 13,
80		LT_GENERIC      = 1 << 14,
81		LT_ECHO    = 1 << 16,
82		LT_MENUENTRY    = 1 << 17,
83		LT_ENTRY_END    = 1 << 18,
84		LT_SET_VARIABLE = 1 << 19,
85		LT_UNKNOWN      = 1 << 20,
86		};
87
88	struct singleLine {	struct singleLine {
89	char * indent;	char * indent;
#	Line 61  struct singleEntry {	Line 104  struct singleEntry {
104
105	#define GRUB_CONFIG_NO_DEFAULT    (1 << 0) /* don't write out default=0 */	#define GRUB_CONFIG_NO_DEFAULT    (1 << 0) /* don't write out default=0 */
106
107	#define KERNEL_KERNEL    (1 << 0)	/* These defines are (only) used in addNewKernel() */
108	#define KERNEL_INITRD    (1 << 2)	#define NEED_KERNEL  (1 << 0)
109	#define KERNEL_TITLE    (1 << 3)	#define NEED_INITRD  (1 << 1)
110	#define KERNEL_ARGS    (1 << 4)	#define NEED_TITLE   (1 << 2)
111	#define KERNEL_MB           (1 << 5)	#define NEED_ARGS    (1 << 3)
112		#define NEED_MB      (1 << 4)
113		#define NEED_END     (1 << 5)
114
115	#define MAIN_DEFAULT    (1 << 0)	#define MAIN_DEFAULT    (1 << 0)
116	#define DEFAULT_SAVED       -2	#define DEFAULT_SAVED       -2
117		#define DEFAULT_SAVED_GRUB2 -3
118
119	struct keywordTypes {	struct keywordTypes {
120	char * key;	char * key;
121	enum lineType_e type;	enum lineType_e type;
122	char nextChar;	char nextChar;
123	} ;	char separatorChar;
124		};
125
126		struct configFileInfo;
127
128		typedef const char *(*findConfigFunc)(struct configFileInfo *);
129		typedef const int (*writeLineFunc)(struct configFileInfo *,
130		struct singleLine *line);
131
132	struct configFileInfo {	struct configFileInfo {
133	char * defaultConfig;	char * defaultConfig;
134		findConfigFunc findConfig;
135		writeLineFunc writeLine;
136	struct keywordTypes * keywords;	struct keywordTypes * keywords;
137	int defaultIsIndex;	int defaultIsIndex;
138		int defaultIsVariable;
139	int defaultSupportSaved;	int defaultSupportSaved;
140	enum lineType_e entrySeparator;	enum lineType_e entryStart;
141		enum lineType_e entryEnd;
142	int needsBootPrefix;	int needsBootPrefix;
143	int argsInQuotes;	int argsInQuotes;
144	int maxTitleLength;	int maxTitleLength;
145	int titleBracketed;	int titleBracketed;
146		int titlePosition;
147		int mbHyperFirst;
148		int mbInitRdIsModule;
149		int mbConcatArgs;
150		int mbAllowExtraInitRds;
151	};	};
152
153	struct keywordTypes grubKeywords[] = {	struct keywordTypes grubKeywords[] = {
#	Line 94  struct keywordTypes grubKeywords[] = {	Line 156  struct keywordTypes grubKeywords[] = {
156	{ "default",    LT_DEFAULT,    ' ' },	{ "default",    LT_DEFAULT,    ' ' },
157	{ "fallback",   LT_FALLBACK,    ' ' },	{ "fallback",   LT_FALLBACK,    ' ' },
158	{ "kernel",    LT_KERNEL,    ' ' },	{ "kernel",    LT_KERNEL,    ' ' },
159	{ "initrd",    LT_INITRD,    ' ' },	{ "initrd",    LT_INITRD,    ' ', ' ' },
160	{ "module",     LT_MBMODULE,    ' ' },	{ "module",     LT_MBMODULE,    ' ' },
161		{ "kernel",     LT_HYPER,       ' ' },
162	{ NULL,    0, 0 },	{ NULL,    0, 0 },
163	};	};
164
165		const char *grubFindConfig(struct configFileInfo *cfi) {
166		static const char *configFiles[] = {
167		"/etc/grub.conf",
168		"/boot/grub/grub.conf",
169		"/boot/grub/menu.lst",
170		NULL
171		};
172		static int i = -1;
173
174		if (i == -1) {
175		for (i = 0; configFiles[i] != NULL; i++) {
176		dbgPrintf("Checking \"%s\": ", configFiles[i]);
177		if (!access(configFiles[i], R_OK)) {
178		dbgPrintf("found\n");
179		return configFiles[i];
180		}
181		dbgPrintf("not found\n");
182		}
183		}
184		return configFiles[i];
185		}
186
187	struct configFileInfo grubConfigType = {	struct configFileInfo grubConfigType = {
188	"/boot/grub/grub.conf",    /* defaultConfig */	.findConfig = grubFindConfig,
189	grubKeywords,    /* keywords */	.keywords = grubKeywords,
190	1,    /* defaultIsIndex */	.defaultIsIndex = 1,
191	1,    /* defaultSupportSaved */	.defaultSupportSaved = 1,
192	LT_TITLE,    /* entrySeparator */	.entryStart = LT_TITLE,
193	1,    /* needsBootPrefix */	.needsBootPrefix = 1,
194	0,    /* argsInQuotes */	.mbHyperFirst = 1,
195	0,    /* maxTitleLength */	.mbInitRdIsModule = 1,
196	0,                                      /* titleBracketed */	.mbAllowExtraInitRds = 1,
197		};
198
199		struct keywordTypes grub2Keywords[] = {
200		{ "menuentry",  LT_MENUENTRY,   ' ' },
201		{ "}",          LT_ENTRY_END,   ' ' },
202		{ "echo",       LT_ECHO,        ' ' },
203		{ "set",        LT_SET_VARIABLE,' ', '=' },
204		{ "root",       LT_BOOTROOT,    ' ' },
205		{ "default",    LT_DEFAULT,     ' ' },
206		{ "fallback",   LT_FALLBACK,    ' ' },
207		{ "linux",      LT_KERNEL,      ' ' },
208		{ "initrd",     LT_INITRD,      ' ', ' ' },
209		{ "module",     LT_MBMODULE,    ' ' },
210		{ "kernel",     LT_HYPER,       ' ' },
211		{ NULL, 0, 0 },
212		};
213
214		const char *grub2FindConfig(struct configFileInfo *cfi) {
215		static const char *configFiles[] = {
216		"/boot/grub/grub-efi.cfg",
217		"/boot/grub/grub.cfg",
218		NULL
219		};
220		static int i = -1;
221		static const char *grub_cfg = "/boot/grub/grub.cfg";
222
223		if (i == -1) {
224		for (i = 0; configFiles[i] != NULL; i++) {
225		dbgPrintf("Checking \"%s\": ", configFiles[i]);
226		if (!access(configFiles[i], R_OK)) {
227		dbgPrintf("found\n");
228		return configFiles[i];
229		}
230		}
231		}
232
233		/* Ubuntu renames grub2 to grub, so check for the grub.d directory
234		* that isn't in grub1, and if it exists, return the config file path
235		* that they use. */
236		if (configFiles[i] == NULL && !access("/etc/grub.d/", R_OK)) {
237		dbgPrintf("found\n");
238		return grub_cfg;
239		}
240
241		dbgPrintf("not found\n");
242		return configFiles[i];
243		}
244
245		int sizeOfSingleLine(struct singleLine * line) {
246		int count = 0;
247
248		for (int i = 0; i < line->numElements; i++) {
249		int indentSize = 0;
250
251		count = count + strlen(line->elements[i].item);
252
253		indentSize = strlen(line->elements[i].indent);
254		if (indentSize > 0)
255		count = count + indentSize;
256		else
257		/* be extra safe and add room for whitespaces */
258		count = count + 1;
259		}
260
261		/* room for trailing terminator */
262		count = count + 1;
263
264		return count;
265		}
266
267		static int isquote(char q)
268		{
269		if (q == '\'' || q == '\"')
270		return 1;
271		return 0;
272		}
273
274		char *grub2ExtractTitle(struct singleLine * line) {
275		char * current;
276		char * current_indent;
277		int current_len;
278		int current_indent_len;
279		int i;
280
281		/* bail out if line does not start with menuentry */
282		if (strcmp(line->elements[0].item, "menuentry"))
283		return NULL;
284
285		i = 1;
286		current = line->elements[i].item;
287		current_len = strlen(current);
288
289		/* if second word is quoted, strip the quotes and return single word */
290		if (isquote(*current) && isquote(current[current_len - 1])) {
291		char *tmp;
292
293		tmp = strdup(current);
294		*(tmp + current_len - 1) = '\0';
295		return ++tmp;
296		}
297
298		/* if no quotes, return second word verbatim */
299		if (!isquote(*current))
300		return current;
301
302		/* second element start with a quote, so we have to find the element
303		* whose last character is also quote (assuming it's the closing one) */
304		int resultMaxSize;
305		char * result;
306
307		resultMaxSize = sizeOfSingleLine(line);
308		result = malloc(resultMaxSize);
309		snprintf(result, resultMaxSize, "%s", ++current);
310
311		i++;
312		for (; i < line->numElements; ++i) {
313		current = line->elements[i].item;
314		current_len = strlen(current);
315		current_indent = line->elements[i].indent;
316		current_indent_len = strlen(current_indent);
317
318		strncat(result, current_indent, current_indent_len);
319		if (!isquote(current[current_len-1])) {
320		strncat(result, current, current_len);
321		} else {
322		strncat(result, current, current_len - 1);
323		break;
324		}
325		}
326		return result;
327		}
328
329		struct configFileInfo grub2ConfigType = {
330		.findConfig = grub2FindConfig,
331		.keywords = grub2Keywords,
332		.defaultIsIndex = 1,
333		.defaultSupportSaved = 1,
334		.defaultIsVariable = 1,
335		.entryStart = LT_MENUENTRY,
336		.entryEnd = LT_ENTRY_END,
337		.titlePosition = 1,
338		.needsBootPrefix = 1,
339		.mbHyperFirst = 1,
340		.mbInitRdIsModule = 1,
341		.mbAllowExtraInitRds = 1,
342	};	};
343
344	struct keywordTypes yabootKeywords[] = {	struct keywordTypes yabootKeywords[] = {
#	Line 142  struct keywordTypes yabootKeywords[] = {	Line 372  struct keywordTypes yabootKeywords[] = {
372	{ "partition",  LT_GENERIC,    '=' },	{ "partition",  LT_GENERIC,    '=' },
373	{ "device",    LT_GENERIC,    '=' },	{ "device",    LT_GENERIC,    '=' },
374	{ "fstype",    LT_GENERIC,    '=' },	{ "fstype",    LT_GENERIC,    '=' },
375	{ "initrd",    LT_INITRD,    '=' },	{ "initrd",    LT_INITRD,    '=', ';' },
376	{ "append",    LT_KERNELARGS,  '=' },	{ "append",    LT_KERNELARGS,  '=' },
377	{ "boot",    LT_BOOT,    '=' },	{ "boot",    LT_BOOT,    '=' },
378	{ "lba",    LT_LBA,    ' ' },	{ "lba",    LT_LBA,    ' ' },
#	Line 162  struct keywordTypes liloKeywords[] = {	Line 392  struct keywordTypes liloKeywords[] = {
392	{ NULL,    0, 0 },	{ NULL,    0, 0 },
393	};	};
394
395		struct keywordTypes eliloKeywords[] = {
396		{ "label",    LT_TITLE,    '=' },
397		{ "root",    LT_ROOT,    '=' },
398		{ "default",    LT_DEFAULT,    '=' },
399		{ "image",    LT_KERNEL,    '=' },
400		{ "initrd",    LT_INITRD,    '=' },
401		{ "append",    LT_KERNELARGS,  '=' },
402		{ "vmm",    LT_HYPER,       '=' },
403		{ NULL,    0, 0 },
404		};
405
406	struct keywordTypes siloKeywords[] = {	struct keywordTypes siloKeywords[] = {
407	{ "label",    LT_TITLE,    '=' },	{ "label",    LT_TITLE,    '=' },
408	{ "root",    LT_ROOT,    '=' },	{ "root",    LT_ROOT,    '=' },
#	Line 183  struct keywordTypes ziplKeywords[] = {	Line 424  struct keywordTypes ziplKeywords[] = {
424	{ NULL,         0, 0 },	{ NULL,         0, 0 },
425	};	};
426
427		struct keywordTypes extlinuxKeywords[] = {
428		{ "label",    LT_TITLE,    ' ' },
429		{ "root",    LT_ROOT,    ' ' },
430		{ "default",    LT_DEFAULT,    ' ' },
431		{ "kernel",    LT_KERNEL,    ' ' },
432		{ "initrd",    LT_INITRD,      ' ', ',' },
433		{ "append",    LT_KERNELARGS,  ' ' },
434		{ "prompt",     LT_UNKNOWN,     ' ' },
435		{ NULL,    0, 0 },
436		};
437		int useextlinuxmenu;
438	struct configFileInfo eliloConfigType = {	struct configFileInfo eliloConfigType = {
439	"/boot/efi/EFI/redhat/elilo.conf",    /* defaultConfig */	.defaultConfig = "/boot/efi/EFI/redhat/elilo.conf",
440	liloKeywords,    /* keywords */	.keywords = eliloKeywords,
441	0,    /* defaultIsIndex */	.entryStart = LT_KERNEL,
442	0,    /* defaultSupportSaved */	.needsBootPrefix = 1,
443	LT_KERNEL,    /* entrySeparator */	.argsInQuotes = 1,
444	1,                    /* needsBootPrefix */	.mbConcatArgs = 1,
	1,    /* argsInQuotes */
	0,    /* maxTitleLength */
	0,                                      /* titleBracketed */
445	};	};
446
447	struct configFileInfo liloConfigType = {	struct configFileInfo liloConfigType = {
448	"/etc/lilo.conf",    /* defaultConfig */	.defaultConfig = "/etc/lilo.conf",
449	liloKeywords,    /* keywords */	.keywords = liloKeywords,
450	0,    /* defaultIsIndex */	.entryStart = LT_KERNEL,
451	0,    /* defaultSupportSaved */	.argsInQuotes = 1,
452	LT_KERNEL,    /* entrySeparator */	.maxTitleLength = 15,
	0,    /* needsBootPrefix */
	1,    /* argsInQuotes */
	15,    /* maxTitleLength */
	0,                                      /* titleBracketed */
453	};	};
454
455	struct configFileInfo yabootConfigType = {	struct configFileInfo yabootConfigType = {
456	"/etc/yaboot.conf",    /* defaultConfig */	.defaultConfig = "/etc/yaboot.conf",
457	yabootKeywords,    /* keywords */	.keywords = yabootKeywords,
458	0,    /* defaultIsIndex */	.entryStart = LT_KERNEL,
459	0,    /* defaultSupportSaved */	.needsBootPrefix = 1,
460	LT_KERNEL,    /* entrySeparator */	.argsInQuotes = 1,
461	1,    /* needsBootPrefix */	.maxTitleLength = 15,
462	1,    /* argsInQuotes */	.mbAllowExtraInitRds = 1,
	15,    /* maxTitleLength */
	0,                                      /* titleBracketed */
463	};	};
464
465	struct configFileInfo siloConfigType = {	struct configFileInfo siloConfigType = {
466	"/etc/silo.conf",    /* defaultConfig */	.defaultConfig = "/etc/silo.conf",
467	siloKeywords,    /* keywords */	.keywords = siloKeywords,
468	0,    /* defaultIsIndex */	.entryStart = LT_KERNEL,
469	0,    /* defaultSupportSaved */	.needsBootPrefix = 1,
470	LT_KERNEL,    /* entrySeparator */	.argsInQuotes = 1,
471	1,    /* needsBootPrefix */	.maxTitleLength = 15,
	1,    /* argsInQuotes */
	15,    /* maxTitleLength */
	0,                                      /* titleBracketed */
472	};	};
473
474	struct configFileInfo ziplConfigType = {	struct configFileInfo ziplConfigType = {
475	"/etc/zipl.conf",    /* defaultConfig */	.defaultConfig = "/etc/zipl.conf",
476	ziplKeywords,    /* keywords */	.keywords = ziplKeywords,
477	0,    /* defaultIsIndex */	.entryStart = LT_TITLE,
478	0,    /* defaultSupportSaved */	.argsInQuotes = 1,
479	LT_TITLE,    /* entrySeparator */	.titleBracketed = 1,
480	0,    /* needsBootPrefix */	};
481	1,    /* argsInQuotes */
482	15,    /* maxTitleLength */	struct configFileInfo extlinuxConfigType = {
483	1,                                      /* titleBracketed */	.defaultConfig = "/boot/extlinux/extlinux.conf",
484		.keywords = extlinuxKeywords,
485		.entryStart = LT_TITLE,
486		.needsBootPrefix = 1,
487		.maxTitleLength = 255,
488		.mbAllowExtraInitRds = 1,
489	};	};
490
491	struct grubConfig {	struct grubConfig {
#	Line 255  struct grubConfig {	Line 500  struct grubConfig {
500	struct configFileInfo * cfi;	struct configFileInfo * cfi;
501	};	};
502
503		blkid_cache blkid;
504
505	struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index);	struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index);
506	struct singleEntry * findEntryByPath(struct grubConfig * cfg,	struct singleEntry * findEntryByPath(struct grubConfig * cfg,
507	const char * path, const char * prefix,	const char * path, const char * prefix,
508	int * index);	int * index);
	static char * strndup(char * from, int len);
509	static int readFile(int fd, char ** bufPtr);	static int readFile(int fd, char ** bufPtr);
510	static void lineInit(struct singleLine * line);	static void lineInit(struct singleLine * line);
511		struct singleLine * lineDup(struct singleLine * line);
512	static void lineFree(struct singleLine * line);	static void lineFree(struct singleLine * line);
513	static int lineWrite(FILE * out, struct singleLine * line,	static int lineWrite(FILE * out, struct singleLine * line,
514	struct configFileInfo * cfi);	struct configFileInfo * cfi);
515	static int getNextLine(char ** bufPtr, struct singleLine * line,	static int getNextLine(char ** bufPtr, struct singleLine * line,
516	struct configFileInfo * cfi);	struct configFileInfo * cfi);
517	static char * getRootSpecifier(char * str);	static char * getRootSpecifier(char * str);
518		static void requote(struct singleLine *line, struct configFileInfo * cfi);
519	static char * strndup(char * from, int len) {	static void insertElement(struct singleLine * line,
520	char * to;	const char * item, int insertHere,
521		struct configFileInfo * cfi);
522	to = malloc(len + 1);	static void removeElement(struct singleLine * line, int removeHere);
523	strncpy(to, from, len);	static struct keywordTypes * getKeywordByType(enum lineType_e type,
524	to[len] = '\0';	struct configFileInfo * cfi);
525		static enum lineType_e getTypeByKeyword(char * keyword,
526	return to;	struct configFileInfo * cfi);
527	}	static struct singleLine * getLineByType(enum lineType_e type,
528		struct singleLine * line);
529		static int checkForExtLinux(struct grubConfig * config);
530		struct singleLine * addLineTmpl(struct singleEntry * entry,
531		struct singleLine * tmplLine,
532		struct singleLine * prevLine,
533		const char * val,
534		struct configFileInfo * cfi);
535		struct singleLine *  addLine(struct singleEntry * entry,
536		struct configFileInfo * cfi,
537		enum lineType_e type, char * defaultIndent,
538		const char * val);
539
540	static char * sdupprintf(const char *format, ...)	static char * sdupprintf(const char *format, ...)
541	#ifdef __GNUC__	#ifdef __GNUC__
#	Line 313  static char * sdupprintf(const char *for	Line 570  static char * sdupprintf(const char *for
570	return buf;	return buf;
571	}	}
572
573		static struct keywordTypes * getKeywordByType(enum lineType_e type,
574		struct configFileInfo * cfi) {
575		for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) {
576		if (kw->type == type)
577		return kw;
578		}
579		return NULL;
580		}
581
582		static char *getKeyByType(enum lineType_e type, struct configFileInfo * cfi) {
583		struct keywordTypes *kt = getKeywordByType(type, cfi);
584		if (kt)
585		return kt->key;
586		return "unknown";
587		}
588
589		static char * getpathbyspec(char *device) {
590		if (!blkid)
591		blkid_get_cache(&blkid, NULL);
592
593		return blkid_get_devname(blkid, device, NULL);
594		}
595
596		static char * getuuidbydev(char *device) {
597		if (!blkid)
598		blkid_get_cache(&blkid, NULL);
599
600		return blkid_get_tag_value(blkid, "UUID", device);
601		}
602
603		static enum lineType_e getTypeByKeyword(char * keyword,
604		struct configFileInfo * cfi) {
605		for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) {
606		if (!strcmp(keyword, kw->key))
607		return kw->type;
608		}
609		return LT_UNKNOWN;
610		}
611
612		static struct singleLine * getLineByType(enum lineType_e type,
613		struct singleLine * line) {
614		dbgPrintf("getLineByType(%d): ", type);
615		for (; line; line = line->next) {
616		dbgPrintf("%d:%s ", line->type,
617		line->numElements ? line->elements[0].item : "(empty)");
618		if (line->type & type) break;
619		}
620		dbgPrintf(line ? "\n" : " (failed)\n");
621		return line;
622		}
623
624	static int isBracketedTitle(struct singleLine * line) {	static int isBracketedTitle(struct singleLine * line) {
625	if ((*line->elements[0].item == '[') && (line->numElements == 1)) {	if (line->numElements == 1 && *line->elements[0].item == '[') {
626	int len = strlen(line->elements[0].item);	int len = strlen(line->elements[0].item);
627	if (*(line->elements[0].item + len - 1) == ']') {	if (*(line->elements[0].item + len - 1) == ']') {
628	/* FIXME: this is a hack... */	/* FIXME: this is a hack... */
#	Line 326  static int isBracketedTitle(struct singl	Line 634  static int isBracketedTitle(struct singl
634	return 0;	return 0;
635	}	}
636
637	/* figure out if this is a entry separator */	static int isEntryStart(struct singleLine * line,
	static int isEntrySeparator(struct singleLine * line,
638	struct configFileInfo * cfi) {	struct configFileInfo * cfi) {
639	if (line->type == LT_WHITESPACE)	return line->type == cfi->entryStart || line->type == LT_OTHER ||
640	return 0;	(cfi->titleBracketed && isBracketedTitle(line));
	if (line->type == cfi->entrySeparator)
	return 1;
	if (line->type == LT_OTHER)
	return 1;
	if (cfi->titleBracketed && isBracketedTitle(line)) {
	return 1;
	}
	return 0;
641	}	}
642
643	/* extract the title from within brackets (for zipl) */	/* extract the title from within brackets (for zipl) */
#	Line 389  static void lineInit(struct singleLine *	Line 688  static void lineInit(struct singleLine *
688	line->next = NULL;	line->next = NULL;
689	}	}
690
691	static void lineFree(struct singleLine * line) {	struct singleLine * lineDup(struct singleLine * line) {
692	int i;	struct singleLine * newLine = malloc(sizeof(*newLine));
693
694		newLine->indent = strdup(line->indent);
695		newLine->next = NULL;
696		newLine->type = line->type;
697		newLine->numElements = line->numElements;
698		newLine->elements = malloc(sizeof(*newLine->elements) *
699		newLine->numElements);
700
701		for (int i = 0; i < newLine->numElements; i++) {
702		newLine->elements[i].indent = strdup(line->elements[i].indent);
703		newLine->elements[i].item = strdup(line->elements[i].item);
704		}
705
706		return newLine;
707		}
708
709		static void lineFree(struct singleLine * line) {
710	if (line->indent) free(line->indent);	if (line->indent) free(line->indent);
711
712	for (i = 0; i < line->numElements; i++) {	for (int i = 0; i < line->numElements; i++) {
713	free(line->elements[i].item);	free(line->elements[i].item);
714	free(line->elements[i].indent);	free(line->elements[i].indent);
715	}	}
#	Line 405  static void lineFree(struct singleLine *	Line 720  static void lineFree(struct singleLine *
720
721	static int lineWrite(FILE * out, struct singleLine * line,	static int lineWrite(FILE * out, struct singleLine * line,
722	struct configFileInfo * cfi) {	struct configFileInfo * cfi) {
	int i;
723	if (fprintf(out, "%s", line->indent) == -1) return -1;	if (fprintf(out, "%s", line->indent) == -1) return -1;
724
725	for (i = 0; i < line->numElements; i++) {	for (int i = 0; i < line->numElements; i++) {
726		/* Need to handle this, because we strip the quotes from
727		* menuentry when read it. */
728		if (line->type == LT_MENUENTRY && i == 1) {
729		if(!isquote(*line->elements[i].item))
730		fprintf(out, "\'%s\'", line->elements[i].item);
731		else
732		fprintf(out, "%s", line->elements[i].item);
733		fprintf(out, "%s", line->elements[i].indent);
734
735		continue;
736		}
737
738	if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes)	if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes)
739	if (fputc('"', out) == EOF) return -1;	if (fputc('"', out) == EOF) return -1;
740
741	if (fprintf(out, "%s", line->elements[i].item) == -1) return -1;	if (fprintf(out, "%s", line->elements[i].item) == -1) return -1;
742	if (fprintf(out, "%s", line->elements[i].indent) == -1) return -1;	if (i < line->numElements - 1)
743		if (fprintf(out, "%s", line->elements[i].indent) == -1) return -1;
744	}	}
745
746	if (line->type == LT_KERNELARGS && cfi->argsInQuotes)	if (line->type == LT_KERNELARGS && cfi->argsInQuotes)
#	Line 433  static int getNextLine(char ** bufPtr, s	Line 759  static int getNextLine(char ** bufPtr, s
759	char * chptr;	char * chptr;
760	int elementsAlloced = 0;	int elementsAlloced = 0;
761	struct lineElement * element;	struct lineElement * element;
	struct keywordTypes * keywords = cfi->keywords;
762	int first = 1;	int first = 1;
	int i;
763
764	lineFree(line);	lineFree(line);
765
#	Line 489  static int getNextLine(char ** bufPtr, s	Line 813  static int getNextLine(char ** bufPtr, s
813	if (!line->numElements)	if (!line->numElements)
814	line->type = LT_WHITESPACE;	line->type = LT_WHITESPACE;
815	else {	else {
816	for (i = 0; keywords[i].key; i++)	line->type = getTypeByKeyword(line->elements[0].item, cfi);
817	if (!strcmp(line->elements[0].item, keywords[i].key)) break;	if (line->type == LT_UNKNOWN) {
	if (keywords[i].key) {
	line->type = keywords[i].type;
	} else {
	line->type = LT_UNKNOWN;
818	/* zipl does [title] instead of something reasonable like all	/* zipl does [title] instead of something reasonable like all
819	* the other boot loaders.  kind of ugly */	* the other boot loaders.  kind of ugly */
820	if (cfi->titleBracketed && isBracketedTitle(line)) {	if (cfi->titleBracketed && isBracketedTitle(line)) {
#	Line 510  static int getNextLine(char ** bufPtr, s	Line 828  static int getNextLine(char ** bufPtr, s
828	if (*line->elements[0].item == '#') {	if (*line->elements[0].item == '#') {
829	char * fullLine;	char * fullLine;
830	int len;	int len;
	int i;
831
832	len = strlen(line->indent);	len = strlen(line->indent);
833	for (i = 0; i < line->numElements; i++)	for (int i = 0; i < line->numElements; i++)
834	len += strlen(line->elements[i].item) +	len += strlen(line->elements[i].item) +
835	strlen(line->elements[i].indent);	strlen(line->elements[i].indent);
836
#	Line 522  static int getNextLine(char ** bufPtr, s	Line 839  static int getNextLine(char ** bufPtr, s
839	free(line->indent);	free(line->indent);
840	line->indent = fullLine;	line->indent = fullLine;
841
842	for (i = 0; i < line->numElements; i++) {	for (int i = 0; i < line->numElements; i++) {
843	strcat(fullLine, line->elements[i].item);	strcat(fullLine, line->elements[i].item);
844	strcat(fullLine, line->elements[i].indent);	strcat(fullLine, line->elements[i].indent);
845	free(line->elements[i].item);	free(line->elements[i].item);
#	Line 532  static int getNextLine(char ** bufPtr, s	Line 849  static int getNextLine(char ** bufPtr, s
849	line->type = LT_WHITESPACE;	line->type = LT_WHITESPACE;
850	line->numElements = 0;	line->numElements = 0;
851	}	}
852		} else {
853		struct keywordTypes *kw;
854
855		kw = getKeywordByType(line->type, cfi);
856
857		/* space isn't the only separator, we need to split
858		* elements up more
859		*/
860		if (!isspace(kw->separatorChar)) {
861		char indent[2] = "";
862		indent[0] = kw->separatorChar;
863		for (int i = 1; i < line->numElements; i++) {
864		char *p;
865		int numNewElements;
866
867		numNewElements = 0;
868		p = line->elements[i].item;
869		while (*p != '\0') {
870		if (*p == kw->separatorChar)
871		numNewElements++;
872		p++;
873		}
874		if (line->numElements + numNewElements >= elementsAlloced) {
875		elementsAlloced += numNewElements + 5;
876		line->elements = realloc(line->elements,
877		sizeof(*line->elements) * elementsAlloced);
878		}
879
880		for (int j = line->numElements; j > i; j--) {
881		line->elements[j + numNewElements] = line->elements[j];
882		}
883		line->numElements += numNewElements;
884
885		p = line->elements[i].item;
886		while (*p != '\0') {
887
888		while (*p != kw->separatorChar && *p != '\0') p++;
889		if (*p == '\0') {
890		break;
891		}
892
893		line->elements[i + 1].indent = line->elements[i].indent;
894		line->elements[i].indent = strdup(indent);
895		*p++ = '\0';
896		i++;
897		line->elements[i].item = strdup(p);
898		}
899		}
900		}
901	}	}
902	}	}
903
#	Line 549  static struct grubConfig * readConfig(co	Line 915  static struct grubConfig * readConfig(co
915	struct singleLine * last = NULL, * line, * defaultLine = NULL;	struct singleLine * last = NULL, * line, * defaultLine = NULL;
916	char * end;	char * end;
917	struct singleEntry * entry = NULL;	struct singleEntry * entry = NULL;
918	int i, len;	int len;
919	char * buf;	char * buf;
920
921	if (!strcmp(inName, "-")) {	if (!strcmp(inName, "-")) {
#	Line 595  static struct grubConfig * readConfig(co	Line 961  static struct grubConfig * readConfig(co
961	cfg->secondaryIndent = strdup(line->indent);	cfg->secondaryIndent = strdup(line->indent);
962	}	}
963
964	if (isEntrySeparator(line, cfi)) {	if (isEntryStart(line, cfi) || (cfg->entries && !sawEntry)) {
965	sawEntry = 1;	sawEntry = 1;
966	if (!entry) {	if (!entry) {
967	cfg->entries = malloc(sizeof(*entry));	cfg->entries = malloc(sizeof(*entry));
#	Line 611  static struct grubConfig * readConfig(co	Line 977  static struct grubConfig * readConfig(co
977	entry->next = NULL;	entry->next = NULL;
978	}	}
979
980	if (line->type == LT_DEFAULT && line->numElements == 2) {	if (line->type == LT_SET_VARIABLE) {
981		dbgPrintf("found 'set' command (%d elements): ", line->numElements);
982		dbgPrintf("%s", line->indent);
983		for (int i = 0; i < line->numElements; i++)
984		dbgPrintf("\"%s\"%s", line->elements[i].item, line->elements[i].indent);
985		dbgPrintf("\n");
986		struct keywordTypes *kwType = getKeywordByType(LT_DEFAULT, cfi);
987		if (kwType && line->numElements == 3 &&
988		!strcmp(line->elements[1].item, kwType->key)) {
989		dbgPrintf("Line sets default config\n");
990		cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;
991		defaultLine = line;
992		}
993		} else if (line->type == LT_DEFAULT && line->numElements == 2) {
994	cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;	cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;
995	defaultLine = line;	defaultLine = line;
996
997		} else if (line->type == LT_KERNEL) {
998		/* if by some freak chance this is multiboot and the "module"
999		* lines came earlier in the template, make sure to use LT_HYPER
1000		* instead of LT_KERNEL now
1001		*/
1002		if (entry->multiboot)
1003		line->type = LT_HYPER;
1004
1005	} else if (line->type == LT_MBMODULE) {	} else if (line->type == LT_MBMODULE) {
1006		/* go back and fix the LT_KERNEL line to indicate LT_HYPER
1007		* instead, now that we know this is a multiboot entry.
1008		* This only applies to grub, but that's the only place we
1009		* should find LT_MBMODULE lines anyway.
1010		*/
1011		for (struct singleLine *l = entry->lines; l; l = l->next) {
1012		if (l->type == LT_HYPER)
1013		break;
1014		else if (l->type == LT_KERNEL) {
1015		l->type = LT_HYPER;
1016		break;
1017		}
1018		}
1019	entry->multiboot = 1;	entry->multiboot = 1;
1020
1021		} else if (line->type == LT_HYPER) {
1022		entry->multiboot = 1;
1023
1024	} else if (line->type == LT_FALLBACK && line->numElements == 2) {	} else if (line->type == LT_FALLBACK && line->numElements == 2) {
1025	cfg->fallbackImage = strtol(line->elements[1].item, &end, 10);	cfg->fallbackImage = strtol(line->elements[1].item, &end, 10);
1026	if (*end) cfg->fallbackImage = -1;	if (*end) cfg->fallbackImage = -1;
1027
1028	} else if (line->type == LT_TITLE && line->numElements > 1) {	} else if (line->type == LT_TITLE && line->numElements > 1) {
1029	/* make the title a single argument (undoing our parsing) */	/* make the title a single argument (undoing our parsing) */
1030	len = 0;	len = 0;
1031	for (i = 1; i < line->numElements; i++) {	for (int i = 1; i < line->numElements; i++) {
1032	len += strlen(line->elements[i].item);	len += strlen(line->elements[i].item);
1033	len += strlen(line->elements[i].indent);	len += strlen(line->elements[i].indent);
1034	}	}
1035	buf = malloc(len + 1);	buf = malloc(len + 1);
1036	*buf = '\0';	*buf = '\0';
1037
1038	for (i = 1; i < line->numElements; i++) {	for (int i = 1; i < line->numElements; i++) {
1039	strcat(buf, line->elements[i].item);	strcat(buf, line->elements[i].item);
1040	free(line->elements[i].item);	free(line->elements[i].item);
1041
#	Line 643  static struct grubConfig * readConfig(co	Line 1049  static struct grubConfig * readConfig(co
1049	line->elements[line->numElements - 1].indent;	line->elements[line->numElements - 1].indent;
1050	line->elements[1].item = buf;	line->elements[1].item = buf;
1051	line->numElements = 2;	line->numElements = 2;
1052		} else if (line->type == LT_MENUENTRY && line->numElements > 3) {
1053		/* let --remove-kernel="TITLE=what" work */
1054		len = 0;
1055		char *extras;
1056		char *title;
1057
1058		for (int i = 1; i < line->numElements; i++) {
1059		len += strlen(line->elements[i].item);
1060		len += strlen(line->elements[i].indent);
1061		}
1062		buf = malloc(len + 1);
1063		*buf = '\0';
1064
1065		/* allocate mem for extra flags. */
1066		extras = malloc(len + 1);
1067		*extras = '\0';
1068
1069		/* get title. */
1070		for (int i = 0; i < line->numElements; i++) {
1071		if (!strcmp(line->elements[i].item, "menuentry"))
1072		continue;
1073		if (isquote(*line->elements[i].item))
1074		title = line->elements[i].item + 1;
1075		else
1076		title = line->elements[i].item;
1077
1078		len = strlen(title);
1079		if (isquote(title[len-1])) {
1080		strncat(buf, title,len-1);
1081		break;
1082		} else {
1083		strcat(buf, title);
1084		strcat(buf, line->elements[i].indent);
1085		}
1086		}
1087
1088		/* get extras */
1089		int count = 0;
1090		for (int i = 0; i < line->numElements; i++) {
1091		if (count >= 2) {
1092		strcat(extras, line->elements[i].item);
1093		strcat(extras, line->elements[i].indent);
1094		}
1095
1096		if (!strcmp(line->elements[i].item, "menuentry"))
1097		continue;
1098
1099		/* count ' or ", there should be two in menuentry line. */
1100		if (isquote(*line->elements[i].item))
1101		count++;
1102
1103		len = strlen(line->elements[i].item);
1104
1105		if (isquote(line->elements[i].item[len -1]))
1106		count++;
1107
1108		/* ok, we get the final ' or ", others are extras. */
1109		}
1110		line->elements[1].indent =
1111		line->elements[line->numElements - 2].indent;
1112		line->elements[1].item = buf;
1113		line->elements[2].indent =
1114		line->elements[line->numElements - 2].indent;
1115		line->elements[2].item = extras;
1116		line->numElements = 3;
1117	} else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) {	} else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) {
1118	/* Strip off any " which may be present; they'll be put back	/* Strip off any " which may be present; they'll be put back
1119	on write. This is one of the few (the only?) places that grubby	on write. This is one of the few (the only?) places that grubby
#	Line 651  static struct grubConfig * readConfig(co	Line 1122  static struct grubConfig * readConfig(co
1122	if (line->numElements >= 2) {	if (line->numElements >= 2) {
1123	int last, len;	int last, len;
1124
1125	if (*line->elements[1].item == '"')	if (isquote(*line->elements[1].item))
1126	memcpy(line->elements[1].item, line->elements[1].item + 1,	memmove(line->elements[1].item, line->elements[1].item + 1,
1127	strlen(line->elements[1].item + 1) + 1);	strlen(line->elements[1].item + 1) + 1);
1128
1129	last = line->numElements - 1;	last = line->numElements - 1;
1130	len = strlen(line->elements[last].item) - 1;	len = strlen(line->elements[last].item) - 1;
1131	if (line->elements[last].item[len] == '"')	if (isquote(line->elements[last].item[len]))
1132	line->elements[last].item[len] = '\0';	line->elements[last].item[len] = '\0';
1133	}	}
1134	}	}
1135
1136	/* If we find a generic config option which should live at the	/* If we find a generic config option which should live at the
#	Line 680  static struct grubConfig * readConfig(co	Line 1150  static struct grubConfig * readConfig(co
1150	movedLine = 1;	movedLine = 1;
1151	continue; /* without setting 'last' */	continue; /* without setting 'last' */
1152	}	}
1153
1154	/* If a second line of whitespace happens after a generic option	/* If a second line of whitespace happens after a generic option
1155	which was moved, drop it. */	which was moved, drop it. */
1156	if (movedLine && line->type == LT_WHITESPACE && last->type == LT_WHITESPACE) {	if (movedLine && line->type == LT_WHITESPACE && last->type == LT_WHITESPACE) {
#	Line 695  static struct grubConfig * readConfig(co	Line 1166  static struct grubConfig * readConfig(co
1166	entry->lines = line;	entry->lines = line;
1167	else	else
1168	last->next = line;	last->next = line;
1169		dbgPrintf("readConfig added %s to %p\n", getKeyByType(line->type, cfi), entry);
1170
1171		/* we could have seen this outside of an entry... if so, we
1172		* ignore it like any other line we don't grok */
1173		if (line->type == LT_ENTRY_END && sawEntry)
1174		sawEntry = 0;
1175	} else {	} else {
1176	if (!cfg->theLines)	if (!cfg->theLines)
1177	cfg->theLines = line;	cfg->theLines = line;
1178	else {	else
1179	last->next = line;	last->next = line;
1180	}	dbgPrintf("readConfig added %s to cfg\n", getKeyByType(line->type, cfi));
1181	}	}
1182
1183	last = line;	last = line;
#	Line 708  static struct grubConfig * readConfig(co	Line 1185  static struct grubConfig * readConfig(co
1185
1186	free(incoming);	free(incoming);
1187
1188		dbgPrintf("defaultLine is %s\n", defaultLine ? "set" : "unset");
1189	if (defaultLine) {	if (defaultLine) {
1190	if (cfi->defaultSupportSaved &&	if (defaultLine->numElements > 2 &&
1191		cfi->defaultSupportSaved &&
1192		!strncmp(defaultLine->elements[2].item,"\"${saved_entry}\"", 16)) {
1193		cfg->defaultImage = DEFAULT_SAVED_GRUB2;
1194		} else if (cfi->defaultIsVariable) {
1195		char *value = defaultLine->elements[2].item;
1196		while (*value && (*value == '"' || *value == '\'' ||
1197		*value == ' ' || *value == '\t'))
1198		value++;
1199		cfg->defaultImage = strtol(value, &end, 10);
1200		while (*end && (*end == '"' || *end == '\'' ||
1201		*end == ' ' || *end == '\t'))
1202		end++;
1203		if (*end) cfg->defaultImage = -1;
1204		} else if (cfi->defaultSupportSaved &&
1205	!strncmp(defaultLine->elements[1].item, "saved", 5)) {	!strncmp(defaultLine->elements[1].item, "saved", 5)) {
1206	cfg->defaultImage = DEFAULT_SAVED;	cfg->defaultImage = DEFAULT_SAVED;
1207	} else if (cfi->defaultIsIndex) {	} else if (cfi->defaultIsIndex) {
1208	cfg->defaultImage = strtol(defaultLine->elements[1].item, &end, 10);	cfg->defaultImage = strtol(defaultLine->elements[1].item, &end, 10);
1209	if (*end) cfg->defaultImage = -1;	if (*end) cfg->defaultImage = -1;
1210	} else if (defaultLine->numElements >= 2) {	} else if (defaultLine->numElements >= 2) {
1211	i = 0;	int i = 0;
1212	while ((entry = findEntryByIndex(cfg, i))) {	while ((entry = findEntryByIndex(cfg, i))) {
1213	for (line = entry->lines; line; line = line->next)	for (line = entry->lines; line; line = line->next)
1214	if (line->type == LT_TITLE) break;	if (line->type == LT_TITLE) break;
#	Line 730  static struct grubConfig * readConfig(co	Line 1222  static struct grubConfig * readConfig(co
1222	extractTitle(line))) break;	extractTitle(line))) break;
1223	}	}
1224	i++;	i++;
1225		entry = NULL;
1226	}	}
1227
1228	if (entry) cfg->defaultImage = i;	if (entry){
1229		cfg->defaultImage = i;
1230		}else{
1231		cfg->defaultImage = -1;
1232		}
1233	}	}
1234		} else {
1235		cfg->defaultImage = 0;
1236	}	}
1237
1238	return cfg;	return cfg;
#	Line 749  static void writeDefault(FILE * out, cha	Line 1248  static void writeDefault(FILE * out, cha
1248
1249	if (cfg->defaultImage == DEFAULT_SAVED)	if (cfg->defaultImage == DEFAULT_SAVED)
1250	fprintf(out, "%sdefault%ssaved\n", indent, separator);	fprintf(out, "%sdefault%ssaved\n", indent, separator);
1251		else if (cfg->defaultImage == DEFAULT_SAVED_GRUB2)
1252		fprintf(out, "%sset default=\"${saved_entry}\"\n", indent);
1253	else if (cfg->defaultImage > -1) {	else if (cfg->defaultImage > -1) {
1254	if (cfg->cfi->defaultIsIndex) {	if (cfg->cfi->defaultIsIndex) {
1255	fprintf(out, "%sdefault%s%d\n", indent, separator,	if (cfg->cfi->defaultIsVariable) {
1256	cfg->defaultImage);	fprintf(out, "%sset default=\"%d\"\n", indent,
1257		cfg->defaultImage);
1258		} else {
1259		fprintf(out, "%sdefault%s%d\n", indent, separator,
1260		cfg->defaultImage);
1261		}
1262	} else {	} else {
1263	int image = cfg->defaultImage;	int image = cfg->defaultImage;
1264
#	Line 769  static void writeDefault(FILE * out, cha	Line 1275  static void writeDefault(FILE * out, cha
1275
1276	if (!entry) return;	if (!entry) return;
1277
1278	line = entry->lines;	line = getLineByType(LT_TITLE, entry->lines);
	while (line && line->type != LT_TITLE) line = line->next;
1279
1280	if (line && line->numElements >= 2)	if (line && line->numElements >= 2)
1281	fprintf(out, "%sdefault%s%s\n", indent, separator,	fprintf(out, "%sdefault%s%s\n", indent, separator,
#	Line 804  static int writeConfig(struct grubConfig	Line 1309  static int writeConfig(struct grubConfig
1309	int rc;	int rc;
1310
1311	/* most likely the symlink is relative, so change our	/* most likely the symlink is relative, so change our
1312	directory to / */	directory to the dir of the symlink */
1313	rc = chdir("/");	rc = chdir(dirname(outName));
1314	do {	do {
1315	buf = alloca(len + 1);	buf = alloca(len + 1);
1316	rc = readlink(outName, buf, len);	rc = readlink(basename(outName), buf, len);
1317	if (rc == len) len += 256;	if (rc == len) len += 256;
1318	} while (rc == len);	} while (rc == len);
1319
#	Line 843  static int writeConfig(struct grubConfig	Line 1348  static int writeConfig(struct grubConfig
1348	}	}
1349
1350	line = cfg->theLines;	line = cfg->theLines;
1351		struct keywordTypes *defaultKw = getKeywordByType(LT_DEFAULT, cfg->cfi);
1352	while (line) {	while (line) {
1353	if (line->type == LT_DEFAULT) {	if (line->type == LT_SET_VARIABLE && defaultKw &&
1354		line->numElements == 3 &&
1355		!strcmp(line->elements[1].item, defaultKw->key)) {
1356		writeDefault(out, line->indent, line->elements[0].indent, cfg);
1357		needs &= ~MAIN_DEFAULT;
1358		} else if (line->type == LT_DEFAULT) {
1359	writeDefault(out, line->indent, line->elements[0].indent, cfg);	writeDefault(out, line->indent, line->elements[0].indent, cfg);
1360	needs &= ~MAIN_DEFAULT;	needs &= ~MAIN_DEFAULT;
1361	} else if (line->type == LT_FALLBACK) {	} else if (line->type == LT_FALLBACK) {
#	Line 912  static int numEntries(struct grubConfig	Line 1423  static int numEntries(struct grubConfig
1423	return i;	return i;
1424	}	}
1425
1426		static char *findDiskForRoot()
1427		{
1428		int fd;
1429		char buf[65536];
1430		char *devname;
1431		char *chptr;
1432		int rc;
1433
1434		if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) {
1435		fprintf(stderr, "grubby: failed to open %s: %s\n",
1436		_PATH_MOUNTED, strerror(errno));
1437		return NULL;
1438		}
1439
1440		rc = read(fd, buf, sizeof(buf) - 1);
1441		if (rc <= 0) {
1442		fprintf(stderr, "grubby: failed to read %s: %s\n",
1443		_PATH_MOUNTED, strerror(errno));
1444		close(fd);
1445		return NULL;
1446		}
1447		close(fd);
1448		buf[rc] = '\0';
1449		chptr = buf;
1450
1451		char *foundanswer = NULL;
1452
1453		while (chptr && chptr != buf+rc) {
1454		devname = chptr;
1455
1456		/*
1457		* The first column of a mtab entry is the device, but if the entry is a
1458		* special device it won't start with /, so move on to the next line.
1459		*/
1460		if (*devname != '/') {
1461		chptr = strchr(chptr, '\n');
1462		if (chptr)
1463		chptr++;
1464		continue;
1465		}
1466
1467		/* Seek to the next space */
1468		chptr = strchr(chptr, ' ');
1469		if (!chptr) {
1470		fprintf(stderr, "grubby: error parsing %s: %s\n",
1471		_PATH_MOUNTED, strerror(errno));
1472		return NULL;
1473		}
1474
1475		/*
1476		* The second column of a mtab entry is the mount point, we are looking
1477		* for '/' obviously.
1478		*/
1479		if (*(++chptr) == '/' && *(++chptr) == ' ') {
1480		/* remember the last / entry in mtab */
1481		foundanswer = devname;
1482		}
1483
1484		/* Next line */
1485		chptr = strchr(chptr, '\n');
1486		if (chptr)
1487		chptr++;
1488		}
1489
1490		/* Return the last / entry found */
1491		if (foundanswer) {
1492		chptr = strchr(foundanswer, ' ');
1493		*chptr = '\0';
1494		return strdup(foundanswer);
1495		}
1496
1497		return NULL;
1498		}
1499
1500		void printEntry(struct singleEntry * entry) {
1501		int i;
1502		struct singleLine * line;
1503
1504		for (line = entry->lines; line; line = line->next) {
1505		fprintf(stderr, "DBG: %s", line->indent);
1506		for (i = 0; i < line->numElements; i++) {
1507		/* Need to handle this, because we strip the quotes from
1508		* menuentry when read it. */
1509		if (line->type == LT_MENUENTRY && i == 1) {
1510		if(!isquote(*line->elements[i].item))
1511		fprintf(stderr, "\'%s\'", line->elements[i].item);
1512		else
1513		fprintf(stderr, "%s", line->elements[i].item);
1514		fprintf(stderr, "%s", line->elements[i].indent);
1515
1516		continue;
1517		}
1518
1519		fprintf(stderr, "%s%s",
1520		line->elements[i].item, line->elements[i].indent);
1521		}
1522		fprintf(stderr, "\n");
1523		}
1524		}
1525
1526		void notSuitablePrintf(struct singleEntry * entry, const char *fmt, ...)
1527		{
1528		va_list argp;
1529
1530		if (!debug)
1531		return;
1532
1533		va_start(argp, fmt);
1534		fprintf(stderr, "DBG: Image entry failed: ");
1535		vfprintf(stderr, fmt, argp);
1536		printEntry(entry);
1537		va_end(argp);
1538		}
1539
1540		#define beginswith(s, c) ((s) && (s)[0] == (c))
1541
1542		static int endswith(const char *s, char c)
1543		{
1544		int slen;
1545
1546		if (!s || !s[0])
1547		return 0;
1548		slen = strlen(s) - 1;
1549
1550		return s[slen] == c;
1551		}
1552
1553	int suitableImage(struct singleEntry * entry, const char * bootPrefix,	int suitableImage(struct singleEntry * entry, const char * bootPrefix,
1554	int skipRemoved, int flags) {	int skipRemoved, int flags) {
1555	struct singleLine * line;	struct singleLine * line;
1556	char * fullName;	char * fullName;
1557	int i;	int i;
	struct stat sb, sb2;
1558	char * dev;	char * dev;
	char * end;
1559	char * rootspec;	char * rootspec;
1560		char * rootdev;
1561
1562	line = entry->lines;	if (skipRemoved && entry->skip) {
1563	while (line && line->type != LT_KERNEL) line = line->next;	notSuitablePrintf(entry, "marked to skip\n");
1564		return 0;
1565	if (!line) return 0;	}
1566	if (skipRemoved && entry->skip) return 0;
1567	if (line->numElements < 2) return 0;	line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines);
1568		if (!line) {
1569		notSuitablePrintf(entry, "no line found\n");
1570		return 0;
1571		}
1572		if (line->numElements < 2) {
1573		notSuitablePrintf(entry, "line has only %d elements\n",
1574		line->numElements);
1575		return 0;
1576		}
1577
1578	if (flags & GRUBBY_BADIMAGE_OKAY) return 1;	if (flags & GRUBBY_BADIMAGE_OKAY) return 1;
1579
1580	fullName = alloca(strlen(bootPrefix) +	fullName = alloca(strlen(bootPrefix) +
1581	strlen(line->elements[1].item) + 1);	strlen(line->elements[1].item) + 1);
1582	rootspec = getRootSpecifier(line->elements[1].item);	rootspec = getRootSpecifier(line->elements[1].item);
1583	sprintf(fullName, "%s%s", bootPrefix,	int rootspec_offset = rootspec ? strlen(rootspec) : 0;
1584	line->elements[1].item + ((rootspec != NULL) ?	int hasslash = endswith(bootPrefix, '/') ||
1585	strlen(rootspec) : 0));	beginswith(line->elements[1].item + rootspec_offset, '/');
1586	if (access(fullName, R_OK)) return 0;	sprintf(fullName, "%s%s%s", bootPrefix, hasslash ? "" : "/",
1587		line->elements[1].item + rootspec_offset);
1588		if (access(fullName, R_OK)) {
1589		notSuitablePrintf(entry, "access to %s failed\n", fullName);
1590		return 0;
1591		}
1592	for (i = 2; i < line->numElements; i++)	for (i = 2; i < line->numElements; i++)
1593	if (!strncasecmp(line->elements[i].item, "root=", 5)) break;	if (!strncasecmp(line->elements[i].item, "root=", 5)) break;
1594	if (i < line->numElements) {	if (i < line->numElements) {
1595	dev = line->elements[i].item + 5;	dev = line->elements[i].item + 5;
1596	} else {	} else {
1597	/* look for a lilo style LT_ROOT line */	/* look for a lilo style LT_ROOT line */
1598	line = entry->lines;	line = getLineByType(LT_ROOT, entry->lines);
	while (line && line->type != LT_ROOT) line = line->next;
1599
1600	if (line && line->numElements >= 2) {	if (line && line->numElements >= 2) {
1601	dev = line->elements[1].item;	dev = line->elements[1].item;
1602	} else {	} else {
1603	int type;	/* didn't succeed in finding a LT_ROOT, let's try LT_KERNELARGS.
1604	/* didn't succeed in finding a LT_ROOT, let's try LT_KERNELARGS */	* grub+multiboot uses LT_MBMODULE for the args, so check that too.
1605	line = entry->lines;	*/
1606		line = getLineByType(LT_KERNELARGS|LT_MBMODULE, entry->lines);
	type = ((entry->multiboot) ? LT_MBMODULE : LT_KERNELARGS);
	while (line && line->type != type) line = line->next;
1607
1608	/* failed to find one */	/* failed to find one */
1609	if (!line) return 0;	if (!line) {
1610		notSuitablePrintf(entry, "no line found\n");
1611		return 0;
1612		}
1613
1614	for (i = 1; i < line->numElements; i++)	for (i = 1; i < line->numElements; i++)
1615	if (!strncasecmp(line->elements[i].item, "root=", 5)) break;	if (!strncasecmp(line->elements[i].item, "root=", 5)) break;
1616	if (i < line->numElements)	if (i < line->numElements)
1617	dev = line->elements[i].item + 5;	dev = line->elements[i].item + 5;
1618	else {	else {
1619		notSuitablePrintf(entry, "no root= entry found\n");
1620	/* it failed too...  can't find root= */	/* it failed too...  can't find root= */
1621	return 0;	return 0;
1622	}	}
1623	}	}
1624	}	}
1625
1626	if (!strncmp(dev, "LABEL=", 6)) {	dev = getpathbyspec(dev);
1627	dev += 6;	if (!getpathbyspec(dev)) {
1628		notSuitablePrintf(entry, "can't find blkid entry for %s\n", dev);
1629	/* check which device has this label */	return 0;
1630	dev = get_spec_by_volume_label(dev, &i, &i);	} else
1631	if (!dev) return 0;	dev = getpathbyspec(dev);
1632
1633		rootdev = findDiskForRoot();
1634		if (!rootdev) {
1635		notSuitablePrintf(entry, "can't find root device\n");
1636		return 0;
1637	}	}
1638
1639	if (*dev == '/') {	if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) {
1640	if (stat(dev, &sb))	notSuitablePrintf(entry, "uuid missing: rootdev %s, dev %s\n",
1641	return 0;	getuuidbydev(rootdev), getuuidbydev(dev));
1642	} else {	free(rootdev);
1643	sb.st_rdev = strtol(dev, &end, 16);	return 0;
1644	if (*end) return 0;	}
1645
1646		if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) {
1647		notSuitablePrintf(entry, "uuid mismatch: rootdev %s, dev %s\n",
1648		getuuidbydev(rootdev), getuuidbydev(dev));
1649		free(rootdev);
1650		return 0;
1651	}	}
	stat("/", &sb2);
1652
1653	if (sb.st_rdev != sb2.st_dev) return 0;	free(rootdev);
1654
1655	return 1;	return 1;
1656	}	}
#	Line 1034  struct singleEntry * findEntryByPath(str	Line 1694  struct singleEntry * findEntryByPath(str
1694	entry = findEntryByIndex(config, indexVars[i]);	entry = findEntryByIndex(config, indexVars[i]);
1695	if (!entry) return NULL;	if (!entry) return NULL;
1696
1697	line = entry->lines;	line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines);
	while (line && line->type != LT_KERNEL)
	line = line->next;
1698	if (!line) return NULL;	if (!line) return NULL;
1699
1700	if (index) *index = indexVars[i];	if (index) *index = indexVars[i];
#	Line 1075  struct singleEntry * findEntryByPath(str	Line 1732  struct singleEntry * findEntryByPath(str
1732
1733	if (!strncmp(kernel, "TITLE=", 6)) {	if (!strncmp(kernel, "TITLE=", 6)) {
1734	prefix = "";	prefix = "";
1735	checkType = LT_TITLE;	checkType = LT_TITLE|LT_MENUENTRY;
1736	kernel += 6;	kernel += 6;
1737	}	}
1738
1739	while ((entry = findEntryByIndex(config, i))) {	for (entry = findEntryByIndex(config, i); entry; entry = entry->next, i++) {
1740	line = entry->lines;	if (entry->skip) continue;
	while (line && line->type != checkType) line=line->next;
1741
1742	if (line && line->numElements >= 2 && !entry->skip) {	dbgPrintf("findEntryByPath looking for %d %s in %p\n", checkType, kernel, entry);
	rootspec = getRootSpecifier(line->elements[1].item);
	if (!strcmp(line->elements[1].item  +
	((rootspec != NULL) ? strlen(rootspec) : 0),
	kernel + strlen(prefix)))
	break;
	}
	/* have to check multiboot lines too */
	if (entry->multiboot) {
	while (line && line->type != LT_MBMODULE) line = line->next;
	if (line && line->numElements >= 2 && !entry->skip) {
	rootspec = getRootSpecifier(line->elements[1].item);
	if (!strcmp(line->elements[1].item  +
	((rootspec != NULL) ? strlen(rootspec) : 0),
	kernel + strlen(prefix)))
	break;
	}
	}
1743
1744	i++;	/* check all the lines matching checkType */
1745		for (line = entry->lines; line; line = line->next) {
1746		line = getLineByType(entry->multiboot && checkType == LT_KERNEL ?
1747		LT_KERNEL|LT_MBMODULE|LT_HYPER :
1748		checkType, line);
1749		if (!line) break;  /* not found in this entry */
1750
1751		if (line && line->type != LT_MENUENTRY &&
1752		line->numElements >= 2) {
1753		rootspec = getRootSpecifier(line->elements[1].item);
1754		if (!strcmp(line->elements[1].item +
1755		((rootspec != NULL) ? strlen(rootspec) : 0),
1756		kernel + strlen(prefix)))
1757		break;
1758		}
1759		if(line->type == LT_MENUENTRY &&
1760		!strcmp(line->elements[1].item, kernel))
1761		break;
1762		}
1763
1764		/* make sure this entry has a kernel identifier; this skips
1765		* non-Linux boot entries (could find netbsd etc, though, which is
1766		* unfortunate)
1767		*/
1768		if (line && getLineByType(LT_KERNEL|LT_HYPER, entry->lines))
1769		break; /* found 'im! */
1770	}	}
1771
1772	if (index) *index = i;	if (index) *index = i;
1773	}	}
1774
	if (!entry) return NULL;
	/* make sure this entry has a kernel identifier; this skips non-Linux
	boot entries (could find netbsd etc, though, which is unfortunate) */
	line = entry->lines;
	while (line && line->type != LT_KERNEL) line = line->next;
	if (!line) {
	if (!index) index = &i;
	(*index)++;
	return findEntryByPath(config, kernel, prefix, index);
	}
1775	return entry;	return entry;
1776	}	}
1777
#	Line 1200  void markRemovedImage(struct grubConfig	Line 1850  void markRemovedImage(struct grubConfig
1850	const char * prefix) {	const char * prefix) {
1851	struct singleEntry * entry;	struct singleEntry * entry;
1852
1853	if (!image) return;	if (!image)
1854		return;
1855
1856		/* check and see if we're removing the default image */
1857		if (isdigit(*image)) {
1858		entry = findEntryByPath(cfg, image, prefix, NULL);
1859		if(entry)
1860		entry->skip = 1;
1861		return;
1862		}
1863
1864	while ((entry = findEntryByPath(cfg, image, prefix, NULL)))	while ((entry = findEntryByPath(cfg, image, prefix, NULL)))
1865	entry->skip = 1;	entry->skip = 1;
#	Line 1227  void setDefaultImage(struct grubConfig *	Line 1886  void setDefaultImage(struct grubConfig *
1886
1887	/* 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
1888	changes */	changes */
1889	if (config->defaultImage == DEFAULT_SAVED)	if ((config->defaultImage == DEFAULT_SAVED) ||
1890		(config->defaultImage == DEFAULT_SAVED_GRUB2))
1891	/* default is set to saved, we don't want to change it */	/* default is set to saved, we don't want to change it */
1892	return;	return;
1893
#	Line 1286  void displayEntry(struct singleEntry * e	Line 1946  void displayEntry(struct singleEntry * e
1946	char * root = NULL;	char * root = NULL;
1947	int i;	int i;
1948
	line = entry->lines;
	while (line && line->type != LT_KERNEL) line = line->next;
1949	printf("index=%d\n", index);	printf("index=%d\n", index);
1950
1951	printf("kernel=%s\n", line->elements[1].item);	line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines);
1952		if (!line) {
1953		printf("non linux entry\n");
1954		return;
1955		}
1956
1957		if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))
1958		printf("kernel=%s\n", line->elements[1].item);
1959		else
1960		printf("kernel=%s%s\n", prefix, line->elements[1].item);
1961
1962	if (line->numElements >= 3) {	if (line->numElements >= 3) {
1963	printf("args=\"");	printf("args=\"");
#	Line 1308  void displayEntry(struct singleEntry * e	Line 1974  void displayEntry(struct singleEntry * e
1974	}	}
1975	printf("\"\n");	printf("\"\n");
1976	} else {	} else {
1977	line = entry->lines;	line = getLineByType(LT_KERNELARGS, entry->lines);
	while (line && line->type != LT_KERNELARGS) line=line->next;
1978	if (line) {	if (line) {
1979	char * s;	char * s;
1980
#	Line 1334  void displayEntry(struct singleEntry * e	Line 1998  void displayEntry(struct singleEntry * e
1998	}	}
1999
2000	if (!root) {	if (!root) {
2001	line = entry->lines;	line = getLineByType(LT_ROOT, entry->lines);
	while (line && line->type != LT_ROOT) line = line->next;
2002	if (line && line->numElements >= 2)	if (line && line->numElements >= 2)
2003	root=line->elements[1].item;	root=line->elements[1].item;
2004	}	}
#	Line 1351  void displayEntry(struct singleEntry * e	Line 2013  void displayEntry(struct singleEntry * e
2013	printf("root=%s\n", s);	printf("root=%s\n", s);
2014	}	}
2015
2016	line = entry->lines;	line = getLineByType(LT_INITRD, entry->lines);
	while (line && line->type != LT_INITRD) line = line->next;
2017
2018	if (line && line->numElements >= 2) {	if (line && line->numElements >= 2) {
2019	printf("initrd=%s", prefix);	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))
2020		printf("initrd=");
2021		else
2022		printf("initrd=%s", prefix);
2023
2024	for (i = 1; i < line->numElements; i++)	for (i = 1; i < line->numElements; i++)
2025	printf("%s%s", line->elements[i].item, line->elements[i].indent);	printf("%s%s", line->elements[i].item, line->elements[i].indent);
2026	printf("\n");	printf("\n");
2027	}	}
2028
2029		line = getLineByType(LT_TITLE, entry->lines);
2030		if (line) {
2031		printf("title=%s\n", line->elements[1].item);
2032		} else {
2033		char * title;
2034		line = getLineByType(LT_MENUENTRY, entry->lines);
2035		title = grub2ExtractTitle(line);
2036		if (title)
2037		printf("title=%s\n", title);
2038		}
2039		}
2040
2041		int isSuseSystem(void) {
2042		const char * path;
2043		const static char default_path[] = "/etc/SuSE-release";
2044
2045		if ((path = getenv("GRUBBY_SUSE_RELEASE")) == NULL)
2046		path = default_path;
2047
2048		if (!access(path, R_OK))
2049		return 1;
2050		return 0;
2051		}
2052
2053		int isSuseGrubConf(const char * path) {
2054		FILE * grubConf;
2055		char * line = NULL;
2056		size_t len = 0, res = 0;
2057
2058		grubConf = fopen(path, "r");
2059		if (!grubConf) {
2060		dbgPrintf("Could not open SuSE configuration file '%s'\n", path);
2061		return 0;
2062		}
2063
2064		while ((res = getline(&line, &len, grubConf)) != -1) {
2065		if (!strncmp(line, "setup", 5)) {
2066		fclose(grubConf);
2067		free(line);
2068		return 1;
2069		}
2070		}
2071
2072		dbgPrintf("SuSE configuration file '%s' does not appear to be valid\n",
2073		path);
2074
2075		fclose(grubConf);
2076		free(line);
2077		return 0;
2078		}
2079
2080		int suseGrubConfGetLba(const char * path, int * lbaPtr) {
2081		FILE * grubConf;
2082		char * line = NULL;
2083		size_t res = 0, len = 0;
2084
2085		if (!path) return 1;
2086		if (!lbaPtr) return 1;
2087
2088		grubConf = fopen(path, "r");
2089		if (!grubConf) return 1;
2090
2091		while ((res = getline(&line, &len, grubConf)) != -1) {
2092		if (line[res - 1] == '\n')
2093		line[res - 1] = '\0';
2094		else if (len > res)
2095		line[res] = '\0';
2096		else {
2097		line = realloc(line, res + 1);
2098		line[res] = '\0';
2099		}
2100
2101		if (!strncmp(line, "setup", 5)) {
2102		if (strstr(line, "--force-lba")) {
2103		*lbaPtr = 1;
2104		} else {
2105		*lbaPtr = 0;
2106		}
2107		dbgPrintf("lba: %i\n", *lbaPtr);
2108		break;
2109		}
2110		}
2111
2112		free(line);
2113		fclose(grubConf);
2114		return 0;
2115		}
2116
2117		int suseGrubConfGetInstallDevice(const char * path, char ** devicePtr) {
2118		FILE * grubConf;
2119		char * line = NULL;
2120		size_t res = 0, len = 0;
2121		char * lastParamPtr = NULL;
2122		char * secLastParamPtr = NULL;
2123		char installDeviceNumber = '\0';
2124		char * bounds = NULL;
2125
2126		if (!path) return 1;
2127		if (!devicePtr) return 1;
2128
2129		grubConf = fopen(path, "r");
2130		if (!grubConf) return 1;
2131
2132		while ((res = getline(&line, &len, grubConf)) != -1) {
2133		if (strncmp(line, "setup", 5))
2134		continue;
2135
2136		if (line[res - 1] == '\n')
2137		line[res - 1] = '\0';
2138		else if (len > res)
2139		line[res] = '\0';
2140		else {
2141		line = realloc(line, res + 1);
2142		line[res] = '\0';
2143		}
2144
2145		lastParamPtr = bounds = line + res;
2146
2147		/* Last parameter in grub may be an optional IMAGE_DEVICE */
2148		while (!isspace(*lastParamPtr))
2149		lastParamPtr--;
2150		lastParamPtr++;
2151
2152		secLastParamPtr = lastParamPtr - 2;
2153		dbgPrintf("lastParamPtr: %s\n", lastParamPtr);
2154
2155		if (lastParamPtr + 3 > bounds) {
2156		dbgPrintf("lastParamPtr going over boundary");
2157		fclose(grubConf);
2158		free(line);
2159		return 1;
2160		}
2161		if (!strncmp(lastParamPtr, "(hd", 3))
2162		lastParamPtr += 3;
2163		dbgPrintf("lastParamPtr: %c\n", *lastParamPtr);
2164
2165		/*
2166		* Second last parameter will decide wether last parameter is
2167		* an IMAGE_DEVICE or INSTALL_DEVICE
2168		*/
2169		while (!isspace(*secLastParamPtr))
2170		secLastParamPtr--;
2171		secLastParamPtr++;
2172
2173		if (secLastParamPtr + 3 > bounds) {
2174		dbgPrintf("secLastParamPtr going over boundary");
2175		fclose(grubConf);
2176		free(line);
2177		return 1;
2178		}
2179		dbgPrintf("secLastParamPtr: %s\n", secLastParamPtr);
2180		if (!strncmp(secLastParamPtr, "(hd", 3)) {
2181		secLastParamPtr += 3;
2182		dbgPrintf("secLastParamPtr: %c\n", *secLastParamPtr);
2183		installDeviceNumber = *secLastParamPtr;
2184		} else {
2185		installDeviceNumber = *lastParamPtr;
2186		}
2187
2188		*devicePtr = malloc(6);
2189		snprintf(*devicePtr, 6, "(hd%c)", installDeviceNumber);
2190		dbgPrintf("installDeviceNumber: %c\n", installDeviceNumber);
2191		fclose(grubConf);
2192		free(line);
2193		return 0;
2194		}
2195
2196		free(line);
2197		fclose(grubConf);
2198		return 1;
2199		}
2200
2201		int grubGetBootFromDeviceMap(const char * device,
2202		char ** bootPtr) {
2203		FILE * deviceMap;
2204		char * line = NULL;
2205		size_t res = 0, len = 0;
2206		char * devicePtr;
2207		char * bounds = NULL;
2208		const char * path;
2209		const static char default_path[] = "/boot/grub/device.map";
2210
2211		if (!device) return 1;
2212		if (!bootPtr) return 1;
2213
2214		if ((path = getenv("GRUBBY_GRUB_DEVICE_MAP")) == NULL)
2215		path = default_path;
2216
2217		dbgPrintf("opening grub device.map file from: %s\n", path);
2218		deviceMap = fopen(path, "r");
2219		if (!deviceMap)
2220		return 1;
2221
2222		while ((res = getline(&line, &len, deviceMap)) != -1) {
2223		if (!strncmp(line, "#", 1))
2224		continue;
2225
2226		if (line[res - 1] == '\n')
2227		line[res - 1] = '\0';
2228		else if (len > res)
2229		line[res] = '\0';
2230		else {
2231		line = realloc(line, res + 1);
2232		line[res] = '\0';
2233		}
2234
2235		devicePtr = line;
2236		bounds = line + res;
2237
2238		while ((isspace(*line) && ((devicePtr + 1) <= bounds)))
2239		devicePtr++;
2240		dbgPrintf("device: %s\n", devicePtr);
2241
2242		if (!strncmp(devicePtr, device, strlen(device))) {
2243		devicePtr += strlen(device);
2244		while (isspace(*devicePtr) && ((devicePtr + 1) <= bounds))
2245		devicePtr++;
2246
2247		*bootPtr = strdup(devicePtr);
2248		break;
2249		}
2250		}
2251
2252		free(line);
2253		fclose(deviceMap);
2254		return 0;
2255		}
2256
2257		int suseGrubConfGetBoot(const char * path, char ** bootPtr) {
2258		char * grubDevice;
2259
2260		if (suseGrubConfGetInstallDevice(path, &grubDevice))
2261		dbgPrintf("error looking for grub installation device\n");
2262		else
2263		dbgPrintf("grubby installation device: %s\n", grubDevice);
2264
2265		if (grubGetBootFromDeviceMap(grubDevice, bootPtr))
2266		dbgPrintf("error looking for grub boot device\n");
2267		else
2268		dbgPrintf("grubby boot device: %s\n", *bootPtr);
2269
2270		free(grubDevice);
2271		return 0;
2272		}
2273
2274		int parseSuseGrubConf(int * lbaPtr, char ** bootPtr) {
2275		/*
2276		* This SuSE grub configuration file at this location is not your average
2277		* grub configuration file, but instead the grub commands used to setup
2278		* grub on that system.
2279		*/
2280		const char * path;
2281		const static char default_path[] = "/etc/grub.conf";
2282
2283		if ((path = getenv("GRUBBY_SUSE_GRUB_CONF")) == NULL)
2284		path = default_path;
2285
2286		if (!isSuseGrubConf(path)) return 1;
2287
2288		if (lbaPtr) {
2289		*lbaPtr = 0;
2290		if (suseGrubConfGetLba(path, lbaPtr))
2291		return 1;
2292		}
2293
2294		if (bootPtr) {
2295		*bootPtr = NULL;
2296		suseGrubConfGetBoot(path, bootPtr);
2297		}
2298
2299		return 0;
2300	}	}
2301
2302	int parseSysconfigGrub(int * lbaPtr, char ** bootPtr) {	int parseSysconfigGrub(int * lbaPtr, char ** bootPtr) {
#	Line 1369  int parseSysconfigGrub(int * lbaPtr, cha	Line 2306  int parseSysconfigGrub(int * lbaPtr, cha
2306	char * start;	char * start;
2307	char * param;	char * param;
2308
2309	in = fopen("/etc/sysconfig/grub", "r");	in = fopen("/etc/conf.d/grub", "r");
2310	if (!in) return 1;	if (!in) return 1;
2311
2312	if (lbaPtr) *lbaPtr = 0;	if (lbaPtr) *lbaPtr = 0;
#	Line 1410  int parseSysconfigGrub(int * lbaPtr, cha	Line 2347  int parseSysconfigGrub(int * lbaPtr, cha
2347	}	}
2348
2349	void dumpSysconfigGrub(void) {	void dumpSysconfigGrub(void) {
2350	char * boot;	char * boot = NULL;
2351	int lba;	int lba;
2352
2353	if (!parseSysconfigGrub(&lba, &boot)) {	if (!isSuseSystem()) {
2354	if (lba) printf("lba\n");	if (parseSysconfigGrub(&lba, &boot)) {
2355	if (boot) printf("boot=%s\n", boot);	free(boot);
2356		return;
2357		}
2358		} else {
2359		if (parseSuseGrubConf(&lba, &boot)) {
2360		free(boot);
2361		return;
2362		}
2363		}
2364
2365		if (lba) printf("lba\n");
2366		if (boot) {
2367		printf("boot=%s\n", boot);
2368		free(boot);
2369	}	}
2370	}	}
2371
#	Line 1431  int displayInfo(struct grubConfig * conf	Line 2381  int displayInfo(struct grubConfig * conf
2381	return 1;	return 1;
2382	}	}
2383
2384	/* this is a horrible hack to support /etc/sysconfig/grub; there must	/* this is a horrible hack to support /etc/conf.d/grub; there must
2385	be a better way */	be a better way */
2386	if (config->cfi == &grubConfigType) {	if (config->cfi == &grubConfigType) {
2387	dumpSysconfigGrub();	dumpSysconfigGrub();
2388	} else {	} else {
2389	line = config->theLines;	line = getLineByType(LT_BOOT, config->theLines);
	while (line && line->type != LT_BOOT) line = line->next;
2390	if (line && line->numElements >= 1) {	if (line && line->numElements >= 1) {
2391	printf("boot=%s\n", line->elements[1].item);	printf("boot=%s\n", line->elements[1].item);
2392	}	}
2393
2394	line = config->theLines;	line = getLineByType(LT_LBA, config->theLines);
	while (line && line->type != LT_LBA) line = line->next;
2395	if (line) printf("lba\n");	if (line) printf("lba\n");
2396	}	}
2397
#	Line 1458  int displayInfo(struct grubConfig * conf	Line 2406  int displayInfo(struct grubConfig * conf
2406	return 0;	return 0;
2407	}	}
2408
2409		struct singleLine * addLineTmpl(struct singleEntry * entry,
2410		struct singleLine * tmplLine,
2411		struct singleLine * prevLine,
2412		const char * val,
2413		struct configFileInfo * cfi)
2414		{
2415		struct singleLine * newLine = lineDup(tmplLine);
2416
2417		if (val) {
2418		/* override the inherited value with our own.
2419		* This is a little weak because it only applies to elements[1]
2420		*/
2421		if (newLine->numElements > 1)
2422		removeElement(newLine, 1);
2423		insertElement(newLine, val, 1, cfi);
2424
2425		/* but try to keep the rootspec from the template... sigh */
2426		if (tmplLine->type & (LT_HYPER|LT_KERNEL|LT_MBMODULE|LT_INITRD)) {
2427		char * rootspec = getRootSpecifier(tmplLine->elements[1].item);
2428		if (rootspec != NULL) {
2429		free(newLine->elements[1].item);
2430		newLine->elements[1].item =
2431		sdupprintf("%s%s", rootspec, val);
2432		}
2433		}
2434		}
2435
2436		dbgPrintf("addLineTmpl(%s)\n", newLine->numElements ?
2437		newLine->elements[0].item : "");
2438
2439		if (!entry->lines) {
2440		/* first one on the list */
2441		entry->lines = newLine;
2442		} else if (prevLine) {
2443		/* add after prevLine */
2444		newLine->next = prevLine->next;
2445		prevLine->next = newLine;
2446		}
2447
2448		return newLine;
2449		}
2450
2451	/* val may be NULL */	/* val may be NULL */
2452	struct singleLine *  addLine(struct singleEntry * entry,	struct singleLine *  addLine(struct singleEntry * entry,
2453	struct configFileInfo * cfi,	struct configFileInfo * cfi,
2454	enum lineType_e type, const char * defaultIndent,	enum lineType_e type, char * defaultIndent,
2455	char * val) {	const char * val) {
2456	struct singleLine * line, * prev;	struct singleLine * line, * prev;
2457	int i;	struct keywordTypes * kw;
2458		struct singleLine tmpl;
2459
2460	for (i = 0; cfi->keywords[i].key; i++)	/* NB: This function shouldn't allocate items on the heap, rather on the
2461	if (cfi->keywords[i].type == type) break;	* stack since it calls addLineTmpl which will make copies.
2462	if (type != LT_TITLE || !cfi->titleBracketed)	*/
2463	if (!cfi->keywords[i].key) abort();
2464		if (type == LT_TITLE && cfi->titleBracketed) {
2465		/* we're doing a bracketed title (zipl) */
2466		tmpl.type = type;
2467		tmpl.numElements = 1;
2468		tmpl.elements = alloca(sizeof(*tmpl.elements));
2469		tmpl.elements[0].item = alloca(strlen(val)+3);
2470		sprintf(tmpl.elements[0].item, "[%s]", val);
2471		tmpl.elements[0].indent = "";
2472		val = NULL;
2473		} else if (type == LT_MENUENTRY) {
2474		char *lineend = "--class gnu-linux --class gnu --class os {";
2475		if (!val) {
2476		fprintf(stderr, "Line type LT_MENUENTRY requires a value\n");
2477		abort();
2478		}
2479		kw = getKeywordByType(type, cfi);
2480		if (!kw) {
2481		fprintf(stderr, "Looking up keyword for unknown type %d\n", type);
2482		abort();
2483		}
2484		tmpl.indent = "";
2485		tmpl.type = type;
2486		tmpl.numElements = 3;
2487		tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements);
2488		tmpl.elements[0].item = kw->key;
2489		tmpl.elements[0].indent = alloca(2);
2490		sprintf(tmpl.elements[0].indent, "%c", kw->nextChar);
2491		tmpl.elements[1].item = (char *)val;
2492		tmpl.elements[1].indent = alloca(2);
2493		sprintf(tmpl.elements[1].indent, "%c", kw->nextChar);
2494		tmpl.elements[2].item = alloca(strlen(lineend)+1);
2495		strcpy(tmpl.elements[2].item, lineend);
2496		tmpl.elements[2].indent = "";
2497		} else {
2498		kw = getKeywordByType(type, cfi);
2499		if (!kw) {
2500		fprintf(stderr, "Looking up keyword for unknown type %d\n", type);
2501		abort();
2502		}
2503		tmpl.type = type;
2504		tmpl.numElements = val ? 2 : 1;
2505		tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements);
2506		tmpl.elements[0].item = kw->key;
2507		tmpl.elements[0].indent = alloca(2);
2508		sprintf(tmpl.elements[0].indent, "%c", kw->nextChar);
2509		if (val) {
2510		tmpl.elements[1].item = (char *)val;
2511		tmpl.elements[1].indent = "";
2512		}
2513		}
2514
2515	/* The last non-empty line gives us the indention to us and the line	/* The last non-empty line gives us the indention to us and the line
2516	to insert after. Note that comments are considered empty lines, which	to insert after. Note that comments are considered empty lines, which
2517	may not be ideal? If there are no lines or we are looking at the	may not be ideal? If there are no lines or we are looking at the
2518	first line, we use defaultIndent (the first line is normally indented	first line, we use defaultIndent (the first line is normally indented
2519	differently from the rest) */	differently from the rest) */
2520	if (entry->lines) {	for (line = entry->lines, prev = NULL; line; line = line->next) {
2521	line = entry->lines;	if (line->numElements) prev = line;
2522	prev = NULL;	/* fall back on the last line if prev isn't otherwise set */
2523	while (line) {	if (!line->next && !prev) prev = line;
	if (line->numElements) prev = line;
	line = line->next;
	}
	if (!prev) {
	/* just use the last line */
	prev = entry->lines;
	while (prev->next) prev = prev->next;
	}
	line = prev->next;
	prev->next = malloc(sizeof(*line));
	prev->next->next = line;
	line = prev->next;
	if (prev == entry->lines)
	line->indent = strdup(defaultIndent);
	else
	line->indent = strdup(prev->indent);
	} else {
	line = malloc(sizeof(*line));
	line->indent = strdup(defaultIndent);
	line->next = NULL;
2524	}	}
2525
2526	if (type != LT_TITLE || !cfi->titleBracketed) {	struct singleLine *menuEntry;
2527	line->type = type;	menuEntry = getLineByType(LT_MENUENTRY, entry->lines);
2528	line->numElements = val ? 2 : 1;	if (tmpl.type == LT_ENTRY_END) {
2529	line->elements = malloc(sizeof(*line->elements) * line->numElements);	if (menuEntry)
2530	line->elements[0].item = strdup(cfi->keywords[i].key);	tmpl.indent = menuEntry->indent;
2531	line->elements[0].indent = malloc(2);	else
2532	line->elements[0].indent[0] = cfi->keywords[i].nextChar;	tmpl.indent = defaultIndent ?: "";
2533	line->elements[0].indent[1] = '\0';	} else if (tmpl.type != LT_MENUENTRY) {
2534		if (menuEntry)
2535	if (val) {	tmpl.indent = "\t";
2536	line->elements[1].item = val;	else if (prev == entry->lines)
2537	line->elements[1].indent = strdup("");	tmpl.indent = defaultIndent ?: "";
2538	}	else
2539	} else {	tmpl.indent = prev->indent;
	/* we're doing the title of a bracketed title (zipl) */
	line->type = type;
	line->numElements = 1;
	line->elements = malloc(sizeof(*line->elements) * line->numElements);
	line->elements[0].item = malloc(strlen(val) + 3);
	sprintf(line->elements[0].item, "[%s]", val);
	line->elements[0].indent = strdup("");
2540	}	}
2541
2542	return line;	return addLineTmpl(entry, &tmpl, prev, val, cfi);
2543	}	}
2544
2545	void removeLine(struct singleEntry * entry, struct singleLine * line) {	void removeLine(struct singleEntry * entry, struct singleLine * line) {
#	Line 1553  void removeLine(struct singleEntry * ent	Line 2564  void removeLine(struct singleEntry * ent
2564	free(line);	free(line);
2565	}	}
2566
2567		static void requote(struct singleLine *tmplLine, struct configFileInfo * cfi)
2568		{
2569		struct singleLine newLine = {
2570		.indent = tmplLine->indent,
2571		.type = tmplLine->type,
2572		.next = tmplLine->next,
2573		};
2574		int firstQuotedItem = -1;
2575		int quoteLen = 0;
2576		int j;
2577		int element = 0;
2578		char *c;
2579
2580		c = malloc(strlen(tmplLine->elements[0].item) + 1);
2581		strcpy(c, tmplLine->elements[0].item);
2582		insertElement(&newLine, c, element++, cfi);
2583		free(c);
2584		c = NULL;
2585
2586		for (j = 1; j < tmplLine->numElements; j++) {
2587		if (firstQuotedItem == -1) {
2588		quoteLen += strlen(tmplLine->elements[j].item);
2589
2590		if (isquote(tmplLine->elements[j].item[0])) {
2591		firstQuotedItem = j;
2592		quoteLen += strlen(tmplLine->elements[j].indent);
2593		} else {
2594		c = malloc(quoteLen + 1);
2595		strcpy(c, tmplLine->elements[j].item);
2596		insertElement(&newLine, c, element++, cfi);
2597		free(c);
2598		quoteLen = 0;
2599		}
2600		} else {
2601		int itemlen = strlen(tmplLine->elements[j].item);
2602		quoteLen += itemlen;
2603		quoteLen += strlen(tmplLine->elements[j].indent);
2604
2605		if (isquote(tmplLine->elements[j].item[itemlen - 1])) {
2606		c = malloc(quoteLen + 1);
2607		c[0] = '\0';
2608		for (int i = firstQuotedItem; i < j+1; i++) {
2609		strcat(c, tmplLine->elements[i].item);
2610		strcat(c, tmplLine->elements[i].indent);
2611		}
2612		insertElement(&newLine, c, element++, cfi);
2613		free(c);
2614
2615		firstQuotedItem = -1;
2616		quoteLen = 0;
2617		}
2618		}
2619		}
2620		while (tmplLine->numElements)
2621		removeElement(tmplLine, 0);
2622		if (tmplLine->elements)
2623		free(tmplLine->elements);
2624
2625		tmplLine->numElements = newLine.numElements;
2626		tmplLine->elements = newLine.elements;
2627		}
2628
2629		static void insertElement(struct singleLine * line,
2630		const char * item, int insertHere,
2631		struct configFileInfo * cfi)
2632		{
2633		struct keywordTypes * kw;
2634		char indent[2] = "";
2635
2636		/* sanity check */
2637		if (insertHere > line->numElements) {
2638		dbgPrintf("insertElement() adjusting insertHere from %d to %d\n",
2639		insertHere, line->numElements);
2640		insertHere = line->numElements;
2641		}
2642
2643		line->elements = realloc(line->elements, (line->numElements + 1) *
2644		sizeof(*line->elements));
2645		memmove(&line->elements[insertHere+1],
2646		&line->elements[insertHere],
2647		(line->numElements - insertHere) *
2648		sizeof(*line->elements));
2649		line->elements[insertHere].item = strdup(item);
2650
2651		kw = getKeywordByType(line->type, cfi);
2652
2653		if (line->numElements == 0) {
2654		indent[0] = '\0';
2655		} else if (insertHere == 0) {
2656		indent[0] = kw->nextChar;
2657		} else if (kw->separatorChar != '\0') {
2658		indent[0] = kw->separatorChar;
2659		} else {
2660		indent[0] = ' ';
2661		}
2662
2663		if (insertHere > 0 && line->elements[insertHere-1].indent[0] == '\0') {
2664		/* move the end-of-line forward */
2665		line->elements[insertHere].indent =
2666		line->elements[insertHere-1].indent;
2667		line->elements[insertHere-1].indent = strdup(indent);
2668		} else {
2669		line->elements[insertHere].indent = strdup(indent);
2670		}
2671
2672		line->numElements++;
2673
2674		dbgPrintf("insertElement(%s, '%s%s', %d)\n",
2675		line->elements[0].item,
2676		line->elements[insertHere].item,
2677		line->elements[insertHere].indent,
2678		insertHere);
2679		}
2680
2681		static void removeElement(struct singleLine * line, int removeHere) {
2682		int i;
2683
2684		/* sanity check */
2685		if (removeHere >= line->numElements) return;
2686
2687		dbgPrintf("removeElement(%s, %d:%s)\n", line->elements[0].item,
2688		removeHere, line->elements[removeHere].item);
2689
2690		free(line->elements[removeHere].item);
2691
2692		if (removeHere > 1) {
2693		/* previous argument gets this argument's post-indentation */
2694		free(line->elements[removeHere-1].indent);
2695		line->elements[removeHere-1].indent =
2696		line->elements[removeHere].indent;
2697		} else {
2698		free(line->elements[removeHere].indent);
2699		}
2700
2701		/* now collapse the array, but don't bother to realloc smaller */
2702		for (i = removeHere; i < line->numElements - 1; i++)
2703		line->elements[i] = line->elements[i + 1];
2704
2705		line->numElements--;
2706		}
2707
2708	int argMatch(const char * one, const char * two) {	int argMatch(const char * one, const char * two) {
2709	char * first, * second;	char * first, * second;
2710	char * chptr;	char * chptr;
#	Line 1575  int updateActualImage(struct grubConfig	Line 2727  int updateActualImage(struct grubConfig
2727	struct singleEntry * entry;	struct singleEntry * entry;
2728	struct singleLine * line, * rootLine;	struct singleLine * line, * rootLine;
2729	int index = 0;	int index = 0;
2730	int i, j, k;	int i, k;
2731	const char ** newArgs, ** oldArgs;	const char ** newArgs, ** oldArgs;
2732	const char ** arg;	const char ** arg;
2733	const char * chptr;	int useKernelArgs, useRoot;
	int useKernelArgs = 0;
	int useRoot = 0;
2734	int firstElement;	int firstElement;
2735	int *usedElements, *usedArgs;	int *usedElements;
2736		int doreplace;
2737
2738	if (!image) return 0;	if (!image) return 0;
2739
#	Line 1609  int updateActualImage(struct grubConfig	Line 2760  int updateActualImage(struct grubConfig
2760	}	}
2761	}	}
2762
	for (i = 0; cfg->cfi->keywords[i].key; i++)
	if (cfg->cfi->keywords[i].type == LT_KERNELARGS) break;
2763
2764	if (cfg->cfi->keywords[i].key)	useKernelArgs = (getKeywordByType(LT_KERNELARGS, cfg->cfi)
2765	useKernelArgs = 1;	&& (!multibootArgs || cfg->cfi->mbConcatArgs));
2766
2767	for (i = 0; cfg->cfi->keywords[i].key; i++)	useRoot = (getKeywordByType(LT_ROOT, cfg->cfi)
2768	if (cfg->cfi->keywords[i].type == LT_ROOT) break;	&& !multibootArgs);
2769
2770	if (cfg->cfi->keywords[i].key)	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
	useRoot = 1;
2771
2772	k = 0;	if (multibootArgs && !entry->multiboot)
2773	for (arg = newArgs; *arg; arg++)	continue;
2774	k++;
2775	usedArgs = calloc(k, sizeof(int));	/* Determine where to put the args.  If this config supports
2776		* LT_KERNELARGS, use that.  Otherwise use
2777		* LT_HYPER/LT_KERNEL/LT_MBMODULE lines.
2778		*/
2779		if (useKernelArgs) {
2780		line = getLineByType(LT_KERNELARGS, entry->lines);
2781		if (!line) {
2782		/* no LT_KERNELARGS, need to add it */
2783		line = addLine(entry, cfg->cfi, LT_KERNELARGS,
2784		cfg->secondaryIndent, NULL);
2785		}
2786		firstElement = 1;
2787
2788	while ((entry = findEntryByPath(cfg, image, prefix, &index))) {	} else if (multibootArgs) {
2789	index++;	line = getLineByType(LT_HYPER, entry->lines);
2790		if (!line) {
2791		/* a multiboot entry without LT_HYPER? */
2792		continue;
2793		}
2794		firstElement = 2;
2795
2796	line = entry->lines;	} else {
2797	while (line && line->type != LT_KERNEL) line = line->next;	line = getLineByType(LT_KERNEL|LT_MBMODULE, entry->lines);
2798	if (!line) continue;	if (!line) {
2799	firstElement = 2;	/* no LT_KERNEL or LT_MBMODULE in this entry? */
2800		continue;
2801	if (entry->multiboot && !multibootArgs) {	}
2802	/* first mb module line is the real kernel */	firstElement = 2;
	while (line && line->type != LT_MBMODULE) line = line->next;
	firstElement = 2;
	} else if (useKernelArgs) {
	while (line && line->type != LT_KERNELARGS) line = line->next;
	firstElement = 1;
2803	}	}
2804
2805	if (!line && useKernelArgs) {	/* handle the elilo case which does:
2806	/* no append in there, need to add it */	*   append="hypervisor args -- kernel args"
2807	line = addLine(entry, cfg->cfi, LT_KERNELARGS, NULL, NULL);	*/
2808		if (entry->multiboot && cfg->cfi->mbConcatArgs) {
2809		/* this is a multiboot entry, make sure there's
2810		* -- on the args line
2811		*/
2812		for (i = firstElement; i < line->numElements; i++) {
2813		if (!strcmp(line->elements[i].item, "--"))
2814		break;
2815		}
2816		if (i == line->numElements) {
2817		/* assume all existing args are kernel args,
2818		* prepend -- to make it official
2819		*/
2820		insertElement(line, "--", firstElement, cfg->cfi);
2821		i = firstElement;
2822		}
2823		if (!multibootArgs) {
2824		/* kernel args start after the -- */
2825		firstElement = i + 1;
2826		}
2827		} else if (cfg->cfi->mbConcatArgs) {
2828		/* this is a non-multiboot entry, remove hyper args */
2829		for (i = firstElement; i < line->numElements; i++) {
2830		if (!strcmp(line->elements[i].item, "--"))
2831		break;
2832		}
2833		if (i < line->numElements) {
2834		/* remove args up to -- */
2835		while (strcmp(line->elements[firstElement].item, "--"))
2836		removeElement(line, firstElement);
2837		/* remove -- */
2838		removeElement(line, firstElement);
2839		}
2840	}	}
2841
2842	usedElements = calloc(line->numElements, sizeof(int));	usedElements = calloc(line->numElements, sizeof(*usedElements));
2843
2844	k = 0;	for (k = 0, arg = newArgs; *arg; arg++, k++) {
2845	for (arg = newArgs; *arg; arg++) {
2846	if (usedArgs[k]) {	doreplace = 1;
	k++;
	continue;
	}
2847	for (i = firstElement; i < line->numElements; i++) {	for (i = firstElement; i < line->numElements; i++) {
2848		if (multibootArgs && cfg->cfi->mbConcatArgs &&
2849		!strcmp(line->elements[i].item, "--"))
2850		{
2851		/* reached the end of hyper args, insert here */
2852		doreplace = 0;
2853		break;
2854		}
2855	if (usedElements[i])	if (usedElements[i])
2856	continue;	continue;
2857	if (!argMatch(line->elements[i].item, *arg)) {	if (!argMatch(line->elements[i].item, *arg)) {
2858	usedElements[i]=1;	usedElements[i]=1;
	usedArgs[k]=1;
2859	break;	break;
2860	}	}
2861	}	}
	chptr = strchr(*arg, '=');
2862
2863	if (i < line->numElements) {	if (i < line->numElements && doreplace) {
2864	/* replace */	/* direct replacement */
2865	free(line->elements[i].item);	free(line->elements[i].item);
2866	line->elements[i].item = strdup(*arg);	line->elements[i].item = strdup(*arg);
	} else if (useRoot && !strncmp(*arg, "root=/dev/", 10) && *chptr) {
	rootLine = entry->lines;
	while (rootLine && rootLine->type != LT_ROOT)
	rootLine = rootLine->next;
	if (!rootLine) {
	rootLine = addLine(entry, cfg->cfi, LT_ROOT, NULL, NULL);
	rootLine->elements = realloc(rootLine->elements,
	2 * sizeof(*rootLine->elements));
	rootLine->numElements++;
	rootLine->elements[1].indent = strdup("");
	rootLine->elements[1].item = strdup("");
	}
2867
2868	free(rootLine->elements[1].item);	} else if (useRoot && !strncmp(*arg, "root=/dev/", 10)) {
2869	rootLine->elements[1].item = strdup(chptr + 1);	/* root= replacement */
2870	} else {	rootLine = getLineByType(LT_ROOT, entry->lines);
2871	/* append */	if (rootLine) {
2872	line->elements = realloc(line->elements,	free(rootLine->elements[1].item);
2873	(line->numElements + 1) * sizeof(*line->elements));	rootLine->elements[1].item = strdup(*arg + 5);
	line->elements[line->numElements].item = strdup(*arg);
	usedElements = realloc(usedElements,
	(line->numElements + 1) * sizeof(int));
	usedElements[line->numElements] = 1;
	if (line->numElements > 1) {
	/* add to existing list of arguments */
	line->elements[line->numElements].indent =
	line->elements[line->numElements - 1].indent;
	line->elements[line->numElements - 1].indent = strdup(" ");
2874	} else {	} else {
2875	/* First thing on this line; treat a bit differently. Note	rootLine = addLine(entry, cfg->cfi, LT_ROOT,
2876	this is only possible if we've added a LT_KERNELARGS	cfg->secondaryIndent, *arg + 5);
	entry */
	line->elements[line->numElements].indent = strdup("");
2877	}	}
2878		}
2879
2880	line->numElements++;	else {
2881		/* insert/append */
2882		insertElement(line, *arg, i, cfg->cfi);
2883		usedElements = realloc(usedElements, line->numElements *
2884		sizeof(*usedElements));
2885		memmove(&usedElements[i + 1], &usedElements[i],
2886		line->numElements - i - 1);
2887		usedElements[i] = 1;
2888
2889	/* if we updated a root= here even though there is a	/* if we updated a root= here even though there is a
2890	LT_ROOT available we need to remove the LT_ROOT entry	LT_ROOT available we need to remove the LT_ROOT entry
2891	(this will happen if we switch from a device to a label) */	(this will happen if we switch from a device to a label) */
2892	if (useRoot && !strncmp(*arg, "root=", 5)) {	if (useRoot && !strncmp(*arg, "root=", 5)) {
2893	rootLine = entry->lines;	rootLine = getLineByType(LT_ROOT, entry->lines);
2894	while (rootLine && rootLine->type != LT_ROOT)	if (rootLine)
	rootLine = rootLine->next;
	if (rootLine) {
2895	removeLine(entry, rootLine);	removeLine(entry, rootLine);
	}
2896	}	}
2897	}	}
	k++;
2898	}	}
2899
2900	free(usedElements);	free(usedElements);
2901
	/* no arguments to remove (i.e. no append line) */
	if (!line) continue;
	/* this won't remove an LT_ROOT item properly (but then again,
	who cares? */
2902	for (arg = oldArgs; *arg; arg++) {	for (arg = oldArgs; *arg; arg++) {
2903	for (i = firstElement; i < line->numElements; i++)	for (i = firstElement; i < line->numElements; i++) {
2904	if (!argMatch(line->elements[i].item, *arg))	if (multibootArgs && cfg->cfi->mbConcatArgs &&
2905		!strcmp(line->elements[i].item, "--"))
2906		/* reached the end of hyper args, stop here */
2907		break;
2908		if (!argMatch(line->elements[i].item, *arg)) {
2909		removeElement(line, i);
2910	break;	break;
	if (i < line->numElements) {
	/* if this isn't the first argument the previous argument
	gets this arguments post-indention */
	if (i > firstElement) {
	free(line->elements[i - 1].indent);
	line->elements[i - 1].indent = line->elements[i].indent;
2911	}	}
2912		}
2913	free(line->elements[i].item);	/* handle removing LT_ROOT line too */
2914		if (useRoot && !strncmp(*arg, "root=", 5)) {
2915	for (j = i + 1; j < line->numElements; j++)	rootLine = getLineByType(LT_ROOT, entry->lines);
2916	line->elements[j - 1] = line->elements[j];	if (rootLine)
2917		removeLine(entry, rootLine);
	line->numElements--;
2918	}	}
2919	}	}
2920
#	Line 1760  int updateActualImage(struct grubConfig	Line 2925  int updateActualImage(struct grubConfig
2925	}	}
2926	}	}
2927
	free(usedArgs);
2928	free(newArgs);	free(newArgs);
2929	free(oldArgs);	free(oldArgs);
2930
#	Line 1786  int updateImage(struct grubConfig * cfg,	Line 2950  int updateImage(struct grubConfig * cfg,
2950	return rc;	return rc;
2951	}	}
2952
2953		int updateInitrd(struct grubConfig * cfg, const char * image,
2954		const char * prefix, const char * initrd) {
2955		struct singleEntry * entry;
2956		struct singleLine * line, * kernelLine, *endLine = NULL;
2957		int index = 0;
2958
2959		if (!image) return 0;
2960
2961		for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
2962		kernelLine = getLineByType(LT_KERNEL, entry->lines);
2963		if (!kernelLine) continue;
2964
2965		line = getLineByType(LT_INITRD, entry->lines);
2966		if (line)
2967		removeLine(entry, line);
2968		if (prefix) {
2969		int prefixLen = strlen(prefix);
2970		if (!strncmp(initrd, prefix, prefixLen))
2971		initrd += prefixLen;
2972		}
2973		endLine = getLineByType(LT_ENTRY_END, entry->lines);
2974		if (endLine)
2975		removeLine(entry, endLine);
2976		line = addLine(entry, cfg->cfi, LT_INITRD, kernelLine->indent, initrd);
2977		if (!line)
2978		return 1;
2979		if (endLine) {
2980		line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL);
2981		if (!line)
2982		return 1;
2983		}
2984
2985		break;
2986		}
2987
2988		return 0;
2989		}
2990
2991	int checkDeviceBootloader(const char * device, const unsigned char * boot) {	int checkDeviceBootloader(const char * device, const unsigned char * boot) {
2992	int fd;	int fd;
2993	unsigned char bootSect[512];	unsigned char bootSect[512];
#	Line 1809  int checkDeviceBootloader(const char * d	Line 3011  int checkDeviceBootloader(const char * d
3011	if (memcmp(boot, bootSect, 3))	if (memcmp(boot, bootSect, 3))
3012	return 0;	return 0;
3013
3014	if (boot[1] == 0xeb) {	if (boot[1] == JMP_SHORT_OPCODE) {
3015	offset = boot[2] + 2;	offset = boot[2] + 2;
3016	} else if (boot[1] == 0xe8 || boot[1] == 0xe9) {	} else if (boot[1] == 0xe8 || boot[1] == 0xe9) {
3017	offset = (boot[3] << 8) + boot[2] + 2;	offset = (boot[3] << 8) + boot[2] + 2;
3018	} else if (boot[0] == 0xeb) {	} else if (boot[0] == JMP_SHORT_OPCODE) {
3019	offset = boot[1] + 2;	offset = boot[1] + 2;
3020		/*
3021		* it looks like grub, when copying stage1 into the mbr, patches stage1
3022		* right after the JMP location, replacing other instructions such as
3023		* JMPs for NOOPs. So, relax the check a little bit by skipping those
3024		* different bytes.
3025		*/
3026		if ((bootSect[offset + 1] == NOOP_OPCODE)
3027		&& (bootSect[offset + 2] == NOOP_OPCODE)) {
3028		offset = offset + 3;
3029		}
3030	} else if (boot[0] == 0xe8 || boot[0] == 0xe9) {	} else if (boot[0] == 0xe8 || boot[0] == 0xe9) {
3031	offset = (boot[2] << 8) + boot[1] + 2;	offset = (boot[2] << 8) + boot[1] + 2;
3032	} else {	} else {
#	Line 1956  int checkForLilo(struct grubConfig * con	Line 3168  int checkForLilo(struct grubConfig * con
3168	return checkDeviceBootloader(line->elements[1].item, boot);	return checkDeviceBootloader(line->elements[1].item, boot);
3169	}	}
3170
3171		int checkForGrub2(struct grubConfig * config) {
3172		if (!access("/etc/grub.d/", R_OK))
3173		return 2;
3174
3175		return 1;
3176		}
3177
3178	int checkForGrub(struct grubConfig * config) {	int checkForGrub(struct grubConfig * config) {
3179	int fd;	int fd;
3180	unsigned char bootSect[512];	unsigned char bootSect[512];
3181	char * boot;	char * boot;
3182		int onSuse;
3183
3184	if (parseSysconfigGrub(NULL, &boot))	onSuse = isSuseSystem();
3185	return 0;	if (!onSuse) {
3186		if (parseSysconfigGrub(NULL, &boot)) return 0;
3187		} else {
3188		if (parseSuseGrubConf(NULL, &boot)) return 0;
3189		}
3190
3191	/* assume grub is not installed -- not an error condition */	/* assume grub is not installed -- not an error condition */
3192	if (!boot)	if (!boot)
#	Line 1976  int checkForGrub(struct grubConfig * con	Line 3200  int checkForGrub(struct grubConfig * con
3200	if (read(fd, bootSect, 512) != 512) {	if (read(fd, bootSect, 512) != 512) {
3201	fprintf(stderr, _("grubby: unable to read %s: %s\n"),	fprintf(stderr, _("grubby: unable to read %s: %s\n"),
3202	"/boot/grub/stage1", strerror(errno));	"/boot/grub/stage1", strerror(errno));
3203		close(fd);
3204		return 1;
3205		}
3206		close(fd);
3207
3208		if (!onSuse)
3209		return checkDeviceBootloader(boot, bootSect);
3210		else
3211		/*
3212		* The more elaborate checks do not work on SuSE. The checks done
3213		* seem to be reasonble (at least for now), so just return success
3214		*/
3215		return 2;
3216		}
3217
3218		int checkForExtLinux(struct grubConfig * config) {
3219		int fd;
3220		unsigned char bootSect[512];
3221		char * boot;
3222		char executable[] = "/boot/extlinux/extlinux";
3223
3224		printf("entered: checkForExtLinux()\n");
3225
3226		if (parseSysconfigGrub(NULL, &boot))
3227		return 0;
3228
3229		/* assume grub is not installed -- not an error condition */
3230		if (!boot)
3231		return 0;
3232
3233		fd = open(executable, O_RDONLY);
3234		if (fd < 0)
3235		/* this doesn't exist if grub hasn't been installed */
3236		return 0;
3237
3238		if (read(fd, bootSect, 512) != 512) {
3239		fprintf(stderr, _("grubby: unable to read %s: %s\n"),
3240		executable, strerror(errno));
3241	return 1;	return 1;
3242	}	}
3243	close(fd);	close(fd);
#	Line 1994  static char * getRootSpecifier(char * st	Line 3256  static char * getRootSpecifier(char * st
3256	return rootspec;	return rootspec;
3257	}	}
3258
3259		static char * getInitrdVal(struct grubConfig * config,
3260		const char * prefix, struct singleLine *tmplLine,
3261		const char * newKernelInitrd,
3262		const char ** extraInitrds, int extraInitrdCount)
3263		{
3264		char *initrdVal, *end;
3265		int i;
3266		size_t totalSize;
3267		size_t prefixLen;
3268		char separatorChar;
3269
3270		prefixLen = strlen(prefix);
3271		totalSize = strlen(newKernelInitrd) - prefixLen + 1 /* \0 */;
3272
3273		for (i = 0; i < extraInitrdCount; i++) {
3274		totalSize += sizeof(separatorChar);
3275		totalSize += strlen(extraInitrds[i]) - prefixLen;
3276		}
3277
3278		initrdVal = end = malloc(totalSize);
3279
3280		end = stpcpy (end, newKernelInitrd + prefixLen);
3281
3282		separatorChar = getKeywordByType(LT_INITRD, config->cfi)->separatorChar;
3283		for (i = 0; i < extraInitrdCount; i++) {
3284		const char *extraInitrd;
3285		int j;
3286
3287		extraInitrd = extraInitrds[i] + prefixLen;
3288		/* Don't add entries that are already there */
3289		if (tmplLine != NULL) {
3290		for (j = 2; j < tmplLine->numElements; j++)
3291		if (strcmp(extraInitrd, tmplLine->elements[j].item) == 0)
3292		break;
3293
3294		if (j != tmplLine->numElements)
3295		continue;
3296		}
3297
3298		*end++ = separatorChar;
3299		end = stpcpy(end, extraInitrd);
3300		}
3301
3302		return initrdVal;
3303		}
3304
3305	int addNewKernel(struct grubConfig * config, struct singleEntry * template,	int addNewKernel(struct grubConfig * config, struct singleEntry * template,
3306	const char * prefix,	const char * prefix,
3307	char * newKernelPath, char * newKernelTitle,	const char * newKernelPath, const char * newKernelTitle,
3308	char * newKernelArgs, char * newKernelInitrd,	const char * newKernelArgs, const char * newKernelInitrd,
3309	char * newMBKernel, char * newMBKernelArgs) {	const char ** extraInitrds, int extraInitrdCount,
3310		const char * newMBKernel, const char * newMBKernelArgs) {
3311	struct singleEntry * new;	struct singleEntry * new;
3312	struct singleLine * newLine = NULL, * tmplLine = NULL, * lastLine = NULL;	struct singleLine * newLine = NULL, * tmplLine = NULL, * masterLine = NULL;
3313	int needs;	int needs;
	char * indent = NULL;
	char * rootspec = NULL;
3314	char * chptr;	char * chptr;
	int i;
	enum lineType_e type;
3315
3316	if (!newKernelPath) return 0;	if (!newKernelPath) return 0;
3317
#	Line 2036  int addNewKernel(struct grubConfig * con	Line 3341  int addNewKernel(struct grubConfig * con
3341	config->entries = new;	config->entries = new;
3342
3343	/* copy/update from the template */	/* copy/update from the template */
3344	needs = KERNEL_KERNEL | KERNEL_INITRD | KERNEL_TITLE;	needs = NEED_KERNEL | NEED_TITLE;
3345		if (newKernelInitrd)
3346		needs |= NEED_INITRD;
3347	if (newMBKernel) {	if (newMBKernel) {
3348	needs |= KERNEL_MB;	needs |= NEED_MB;
3349	new->multiboot = 1;	new->multiboot = 1;
3350	}	}
3351
3352	if (template) {	if (template) {
3353	for (tmplLine = template->lines; tmplLine; tmplLine = tmplLine->next) {	for (masterLine = template->lines;
3354	/* remember the indention level; we may need it for new lines */	masterLine && (tmplLine = lineDup(masterLine));
3355	if (tmplLine->numElements)	lineFree(tmplLine), masterLine = masterLine->next)
3356	indent = tmplLine->indent;	{
3357		dbgPrintf("addNewKernel processing %d\n", tmplLine->type);
3358
3359	/* skip comments */	/* skip comments */
3360	chptr = tmplLine->indent;	chptr = tmplLine->indent;
3361	while (*chptr && isspace(*chptr)) chptr++;	while (*chptr && isspace(*chptr)) chptr++;
3362	if (*chptr == '#') continue;	if (*chptr == '#') continue;
3363
3364	/* we don't need an initrd here */	if (tmplLine->type == LT_KERNEL &&
3365	if (tmplLine->type == LT_INITRD && !newKernelInitrd) continue;	tmplLine->numElements >= 2) {
3366		if (!template->multiboot && (needs & NEED_MB)) {
3367	if (tmplLine->type == LT_KERNEL &&	/* it's not a multiboot template and this is the kernel
3368	!template->multiboot && (needs & KERNEL_MB)) {	* line.  Try to be intelligent about inserting the
3369	struct singleLine *l;	* hypervisor at the same time.
3370	needs &= ~ KERNEL_MB;	*/
3371		if (config->cfi->mbHyperFirst) {
3372	l = addLine(new, config->cfi, LT_KERNEL,	/* insert the hypervisor first */
3373	config->secondaryIndent,	newLine = addLine(new, config->cfi, LT_HYPER,
3374	newMBKernel + strlen(prefix));	tmplLine->indent,
3375		newMBKernel + strlen(prefix));
3376	tmplLine = lastLine;	/* set up for adding the kernel line */
3377	if (!new->lines) {	free(tmplLine->indent);
3378	new->lines = l;	tmplLine->indent = strdup(config->secondaryIndent);
3379	} else {	needs &= ~NEED_MB;
3380	newLine->next = l;	}
3381	newLine = l;	if (needs & NEED_KERNEL) {
3382	}	/* use addLineTmpl to preserve line elements,
3383	continue;	* otherwise we could just call addLine.  Unfortunately
3384	} else if (tmplLine->type == LT_KERNEL &&	* this means making some changes to the template
3385	template->multiboot && !new->multiboot) {	* such as the indent change above and the type
3386	continue; /* don't need multiboot kernel here */	* change below.
3387	}	*/
3388		struct keywordTypes * mbm_kw =
3389		getKeywordByType(LT_MBMODULE, config->cfi);
3390		if (mbm_kw) {
3391		tmplLine->type = LT_MBMODULE;
3392		free(tmplLine->elements[0].item);
3393		tmplLine->elements[0].item = strdup(mbm_kw->key);
3394		}
3395		newLine = addLineTmpl(new, tmplLine, newLine,
3396		newKernelPath + strlen(prefix), config->cfi);
3397		needs &= ~NEED_KERNEL;
3398		}
3399		if (needs & NEED_MB) { /* !mbHyperFirst */
3400		newLine = addLine(new, config->cfi, LT_HYPER,
3401		config->secondaryIndent,
3402		newMBKernel + strlen(prefix));
3403		needs &= ~NEED_MB;
3404		}
3405		} else if (needs & NEED_KERNEL) {
3406		newLine = addLineTmpl(new, tmplLine, newLine,
3407		newKernelPath + strlen(prefix), config->cfi);
3408		needs &= ~NEED_KERNEL;
3409		}
3410
3411	if (!new->lines) {	} else if (tmplLine->type == LT_HYPER &&
3412	newLine = malloc(sizeof(*newLine));	tmplLine->numElements >= 2) {
3413	new->lines = newLine;	if (needs & NEED_MB) {
3414	} else {	newLine = addLineTmpl(new, tmplLine, newLine,
3415	newLine->next = malloc(sizeof(*newLine));	newMBKernel + strlen(prefix), config->cfi);
3416	newLine = newLine->next;	needs &= ~NEED_MB;
3417	}	}
3418
3419		} else if (tmplLine->type == LT_MBMODULE &&
3420		tmplLine->numElements >= 2) {
3421		if (new->multiboot) {
3422		if (needs & NEED_KERNEL) {
3423		newLine = addLineTmpl(new, tmplLine, newLine,
3424		newKernelPath +
3425		strlen(prefix), config->cfi);
3426		needs &= ~NEED_KERNEL;
3427		} else if (config->cfi->mbInitRdIsModule &&
3428		(needs & NEED_INITRD)) {
3429		char *initrdVal;
3430		initrdVal = getInitrdVal(config, prefix, tmplLine,
3431		newKernelInitrd, extraInitrds,
3432		extraInitrdCount);
3433		newLine = addLineTmpl(new, tmplLine, newLine,
3434		initrdVal, config->cfi);
3435		free(initrdVal);
3436		needs &= ~NEED_INITRD;
3437		}
3438		} else if (needs & NEED_KERNEL) {
3439		/* template is multi but new is not,
3440		* insert the kernel in the first module slot
3441		*/
3442		tmplLine->type = LT_KERNEL;
3443		free(tmplLine->elements[0].item);
3444		tmplLine->elements[0].item =
3445		strdup(getKeywordByType(LT_KERNEL, config->cfi)->key);
3446		newLine = addLineTmpl(new, tmplLine, newLine,
3447		newKernelPath + strlen(prefix), config->cfi);
3448		needs &= ~NEED_KERNEL;
3449		} else if (needs & NEED_INITRD) {
3450		char *initrdVal;
3451		/* template is multi but new is not,
3452		* insert the initrd in the second module slot
3453		*/
3454		tmplLine->type = LT_INITRD;
3455		free(tmplLine->elements[0].item);
3456		tmplLine->elements[0].item =
3457		strdup(getKeywordByType(LT_INITRD, config->cfi)->key);
3458		initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount);
3459		newLine = addLineTmpl(new, tmplLine, newLine, initrdVal, config->cfi);
3460		free(initrdVal);
3461		needs &= ~NEED_INITRD;
3462		}
3463
	newLine->indent = strdup(tmplLine->indent);
	newLine->next = NULL;
	newLine->type = tmplLine->type;
	newLine->numElements = tmplLine->numElements;
	newLine->elements = malloc(sizeof(*newLine->elements) *
	newLine->numElements);
	for (i = 0; i < newLine->numElements; i++) {
	newLine->elements[i].item = strdup(tmplLine->elements[i].item);
	newLine->elements[i].indent =
	strdup(tmplLine->elements[i].indent);
	}
	lastLine = tmplLine;
	if (tmplLine->type == LT_KERNEL && tmplLine->numElements >= 2) {
	char * repl;
	if (!template->multiboot) {
	needs &= ~KERNEL_KERNEL;
	repl = newKernelPath;
	} else {
	needs &= ~KERNEL_MB;
	repl = newMBKernel;
	}
	if (new->multiboot && !template->multiboot) {
	free(newLine->elements[0].item);
	newLine->elements[0].item = strdup("module");
	newLine->type = LT_MBMODULE;
	}
	free(newLine->elements[1].item);
	rootspec = getRootSpecifier(tmplLine->elements[1].item);
	if (rootspec != NULL) {
	newLine->elements[1].item = sdupprintf("%s%s",
	rootspec,
	repl +
	strlen(prefix));
	} else {
	newLine->elements[1].item = strdup(repl +
	strlen(prefix));
	}
	} else if (tmplLine->type == LT_MBMODULE &&
	tmplLine->numElements >= 2 && (needs & KERNEL_KERNEL)) {
	needs &= ~KERNEL_KERNEL;
	if (!new->multiboot && template->multiboot) {
	free(newLine->elements[0].item);
	newLine->elements[0].item = strdup("kernel");
	newLine->type = LT_KERNEL;
	}
	free(newLine->elements[1].item);
	rootspec = getRootSpecifier(tmplLine->elements[1].item);
	if (rootspec != NULL) {
	newLine->elements[1].item = sdupprintf("%s%s",
	rootspec,
	newKernelPath +
	strlen(prefix));
	} else {
	newLine->elements[1].item = strdup(newKernelPath +
	strlen(prefix));
	}
3464	} else if (tmplLine->type == LT_INITRD &&	} else if (tmplLine->type == LT_INITRD &&
3465	tmplLine->numElements >= 2) {	tmplLine->numElements >= 2) {
3466	needs &= ~KERNEL_INITRD;	if (needs & NEED_INITRD &&
3467	free(newLine->elements[1].item);	new->multiboot && !template->multiboot &&
3468	if (new->multiboot && !template->multiboot) {	config->cfi->mbInitRdIsModule) {
3469	free(newLine->elements[0].item);	/* make sure we don't insert the module initrd
3470	newLine->elements[0].item = strdup("module");	* before the module kernel... if we don't do it here,
3471	newLine->type = LT_MBMODULE;	* it will be inserted following the template.
3472	}	*/
3473	rootspec = getRootSpecifier(tmplLine->elements[1].item);	if (!needs & NEED_KERNEL) {
3474	if (rootspec != NULL) {	char *initrdVal;
3475	newLine->elements[1].item = sdupprintf("%s%s",
3476	rootspec,	initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount);
3477	newKernelInitrd +	newLine = addLine(new, config->cfi, LT_MBMODULE,
3478	strlen(prefix));	config->secondaryIndent,
3479	} else {	initrdVal);
3480	newLine->elements[1].item = strdup(newKernelInitrd +	free(initrdVal);
3481	strlen(prefix));	needs &= ~NEED_INITRD;
3482	}	}
3483	} else if (tmplLine->type == LT_MBMODULE &&	} else if (needs & NEED_INITRD) {
3484	tmplLine->numElements >= 2 && (needs & KERNEL_INITRD)) {	char *initrdVal;
3485	needs &= ~KERNEL_INITRD;	initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount);
3486	if (!new->multiboot && template->multiboot) {	newLine = addLineTmpl(new, tmplLine, newLine, initrdVal, config->cfi);
3487	free(newLine->elements[0].item);	free(initrdVal);
3488	newLine->elements[0].item = strdup("initrd");	needs &= ~NEED_INITRD;
	newLine->type = LT_INITRD;
	}
	free(newLine->elements[1].item);
	rootspec = getRootSpecifier(tmplLine->elements[1].item);
	if (rootspec != NULL) {
	newLine->elements[1].item = sdupprintf("%s%s",
	rootspec,
	newKernelInitrd +
	strlen(prefix));
	} else {
	newLine->elements[1].item = strdup(newKernelInitrd +
	strlen(prefix));
	}
	} else if (tmplLine->type == LT_TITLE &&
	tmplLine->numElements >= 2) {
	needs &= ~KERNEL_TITLE;
	for (i = 1; i < newLine->numElements; i++) {
	free(newLine->elements[i].item);
	free(newLine->elements[i].indent);
3489	}	}
3490
3491	newLine->elements[1].item = strdup(newKernelTitle);	} else if (tmplLine->type == LT_MENUENTRY &&
3492	newLine->elements[1].indent = strdup("");	(needs & NEED_TITLE)) {
3493	newLine->numElements = 2;	requote(tmplLine, config->cfi);
3494		char *nkt = malloc(strlen(newKernelTitle)+3);
3495		strcpy(nkt, "'");
3496		strcat(nkt, newKernelTitle);
3497		strcat(nkt, "'");
3498		newLine = addLineTmpl(new, tmplLine, newLine, nkt, config->cfi);
3499		free(nkt);
3500		needs &= ~NEED_TITLE;
3501	} else if (tmplLine->type == LT_TITLE &&	} else if (tmplLine->type == LT_TITLE &&
3502	config->cfi->titleBracketed &&	(needs & NEED_TITLE)) {
3503	tmplLine->numElements == 1) {	if (tmplLine->numElements >= 2) {
3504	needs &= ~KERNEL_TITLE;	newLine = addLineTmpl(new, tmplLine, newLine,
3505	free(newLine->elements[0].item);	newKernelTitle, config->cfi);
3506	free(newLine->elements[0].indent);	needs &= ~NEED_TITLE;
3507	newLine->elements = malloc(sizeof(*newLine->elements) *	} else if (tmplLine->numElements == 1 &&
3508	newLine->numElements);	config->cfi->titleBracketed) {
3509		/* addLineTmpl doesn't handle titleBracketed */
3510	newLine->elements[0].item = malloc(strlen(newKernelTitle) + 3);	newLine = addLine(new, config->cfi, LT_TITLE,
3511	sprintf(newLine->elements[0].item, "[%s]", newKernelTitle);	tmplLine->indent, newKernelTitle);
3512	newLine->elements[0].indent = strdup("");	needs &= ~NEED_TITLE;
3513	newLine->numElements = 1;	}
3514	}	} else if (tmplLine->type == LT_ECHO) {
3515		requote(tmplLine, config->cfi);
3516		static const char *prefix = "'Loading ";
3517		if (tmplLine->numElements > 1 &&
3518		strstr(tmplLine->elements[1].item, prefix) &&
3519		masterLine->next && masterLine->next->type == LT_KERNEL) {
3520		char *newTitle = malloc(strlen(prefix) +
3521		strlen(newKernelTitle) + 2);
3522
3523		strcpy(newTitle, prefix);
3524		strcat(newTitle, newKernelTitle);
3525		strcat(newTitle, "'");
3526		newLine = addLine(new, config->cfi, LT_ECHO,
3527		tmplLine->indent, newTitle);
3528		free(newTitle);
3529		} else {
3530		/* pass through other lines from the template */
3531		newLine = addLineTmpl(new, tmplLine, newLine, NULL,
3532		config->cfi);
3533		}
3534		} else {
3535		/* pass through other lines from the template */
3536		newLine = addLineTmpl(new, tmplLine, newLine, NULL, config->cfi);
3537		}
3538	}	}
3539
3540	} else {	} else {
3541	for (i = 0; config->cfi->keywords[i].key; i++) {	/* don't have a template, so start the entry with the
3542	if ((config->cfi->keywords[i].type == config->cfi->entrySeparator) || (config->cfi->keywords[i].type == LT_OTHER))	* appropriate starting line
3543		*/
3544		switch (config->cfi->entryStart) {
3545		case LT_KERNEL:
3546		if (new->multiboot && config->cfi->mbHyperFirst) {
3547		/* fall through to LT_HYPER */
3548		} else {
3549		newLine = addLine(new, config->cfi, LT_KERNEL,
3550		config->primaryIndent,
3551		newKernelPath + strlen(prefix));
3552		needs &= ~NEED_KERNEL;
3553		break;
3554		}
3555
3556		case LT_HYPER:
3557		newLine = addLine(new, config->cfi, LT_HYPER,
3558		config->primaryIndent,
3559		newMBKernel + strlen(prefix));
3560		needs &= ~NEED_MB;
3561	break;	break;
	}
3562
3563	switch (config->cfi->keywords[i].type) {	case LT_MENUENTRY: {
3564	case LT_KERNEL:  needs &= ~KERNEL_KERNEL,	char *nkt = malloc(strlen(newKernelTitle)+3);
3565	chptr = newKernelPath + strlen(prefix);	strcpy(nkt, "'");
3566	type = LT_KERNEL; break;	strcat(nkt, newKernelTitle);
3567	case LT_TITLE:   needs &= ~KERNEL_TITLE, chptr = newKernelTitle;	strcat(nkt, "'");
3568	type = LT_TITLE; break;	newLine = addLine(new, config->cfi, LT_MENUENTRY,
3569	default:	config->primaryIndent, nkt);
3570	/* zipl strikes again */	free(nkt);
3571	if (config->cfi->titleBracketed) {	needs &= ~NEED_TITLE;
3572	needs &= ~KERNEL_TITLE;	needs |= NEED_END;
3573	chptr = newKernelTitle;	break;
3574	type = LT_TITLE;	}
3575	break;	case LT_TITLE:
3576	} else {	if( useextlinuxmenu != 0 ){ // We just need useextlinuxmenu to not be zero (set above)
3577	abort();	char * templabel;
3578	}	int x = 0, y = 0;
3579	}
3580		templabel = strdup(newKernelTitle);
3581		while( templabel[x]){
3582		if( templabel[x] == ' ' ){
3583		y = x;
3584		while( templabel[y] ){
3585		templabel[y] = templabel[y+1];
3586		y++;
3587		}
3588		}
3589		x++;
3590		}
3591		newLine = addLine(new, config->cfi, LT_TITLE,
3592		config->primaryIndent, templabel);
3593		free(templabel);
3594		}else{
3595		newLine = addLine(new, config->cfi, LT_TITLE,
3596		config->primaryIndent, newKernelTitle);
3597		}
3598		needs &= ~NEED_TITLE;
3599		break;
3600
3601	newLine = addLine(new, config->cfi, type, config->primaryIndent, chptr);	default:
3602	new->lines = newLine;	abort();
3603		}
3604	}	}
3605
3606	if (new->multiboot) {	/* add the remainder of the lines, i.e. those that either
3607	if (needs & KERNEL_MB)	* weren't present in the template, or in the case of no template,
3608	newLine = addLine(new, config->cfi, LT_KERNEL,	* all the lines following the entryStart.
3609	config->secondaryIndent,	*/
3610	newMBKernel + strlen(prefix));	if (needs & NEED_TITLE) {
3611	if (needs & KERNEL_KERNEL)	newLine = addLine(new, config->cfi, LT_TITLE,
3612	newLine = addLine(new, config->cfi, LT_MBMODULE,	config->secondaryIndent,
3613	config->secondaryIndent,	newKernelTitle);
3614	newKernelPath + strlen(prefix));	needs &= ~NEED_TITLE;
3615	/* don't need to check for title as it's guaranteed to have been	}
3616	* done as we only do multiboot with grub which uses title as	if ((needs & NEED_MB) && config->cfi->mbHyperFirst) {
3617	* a separator */	newLine = addLine(new, config->cfi, LT_HYPER,
3618	if (needs & KERNEL_INITRD && newKernelInitrd)	config->secondaryIndent,
3619	newLine = addLine(new, config->cfi, LT_MBMODULE,	newMBKernel + strlen(prefix));
3620	config->secondaryIndent,	needs &= ~NEED_MB;
3621	newKernelInitrd + strlen(prefix));	}
3622	} else {	if (needs & NEED_KERNEL) {
3623	if (needs & KERNEL_KERNEL)	newLine = addLine(new, config->cfi,
3624	newLine = addLine(new, config->cfi, LT_KERNEL,	(new->multiboot && getKeywordByType(LT_MBMODULE,
3625	config->secondaryIndent,	config->cfi)) ?
3626	newKernelPath + strlen(prefix));	LT_MBMODULE : LT_KERNEL,
3627	if (needs & KERNEL_TITLE)	config->secondaryIndent,
3628	newLine = addLine(new, config->cfi, LT_TITLE,	newKernelPath + strlen(prefix));
3629	config->secondaryIndent,	needs &= ~NEED_KERNEL;
3630	newKernelTitle);	}
3631	if (needs & KERNEL_INITRD && newKernelInitrd)	if (needs & NEED_MB) {
3632	newLine = addLine(new, config->cfi, LT_INITRD,	newLine = addLine(new, config->cfi, LT_HYPER,
3633	config->secondaryIndent,	config->secondaryIndent,
3634	newKernelInitrd + strlen(prefix));	newMBKernel + strlen(prefix));
3635		needs &= ~NEED_MB;
3636		}
3637		if (needs & NEED_INITRD) {
3638		char *initrdVal;
3639		initrdVal = getInitrdVal(config, prefix, NULL, newKernelInitrd, extraInitrds, extraInitrdCount);
3640		newLine = addLine(new, config->cfi,
3641		(new->multiboot && getKeywordByType(LT_MBMODULE,
3642		config->cfi)) ?
3643		LT_MBMODULE : LT_INITRD,
3644		config->secondaryIndent,
3645		initrdVal);
3646		free(initrdVal);
3647		needs &= ~NEED_INITRD;
3648		}
3649		if (needs & NEED_END) {
3650		newLine = addLine(new, config->cfi, LT_ENTRY_END,
3651		config->secondaryIndent, NULL);
3652		needs &= ~NEED_END;
3653		}
3654
3655		if (needs) {
3656		printf(_("grubby: needs=%d, aborting\n"), needs);
3657		abort();
3658	}	}
3659
3660	if (updateImage(config, "0", prefix, newKernelArgs, NULL,	if (updateImage(config, "0", prefix, newKernelArgs, NULL,
#	Line 2274  int addNewKernel(struct grubConfig * con	Line 3663  int addNewKernel(struct grubConfig * con
3663	return 0;	return 0;
3664	}	}
3665
3666		static void traceback(int signum)
3667		{
3668		void *array[40];
3669		size_t size;
3670
3671		signal(SIGSEGV, SIG_DFL);
3672		memset(array, '\0', sizeof (array));
3673		size = backtrace(array, 40);
3674
3675		fprintf(stderr, "grubby recieved SIGSEGV!  Backtrace (%ld):\n",
3676		(unsigned long)size);
3677		backtrace_symbols_fd(array, size, STDERR_FILENO);
3678		exit(1);
3679		}
3680
3681	int main(int argc, const char ** argv) {	int main(int argc, const char ** argv) {
3682	poptContext optCon;	poptContext optCon;
3683	char * grubConfig = NULL;	const char * grubConfig = NULL;
3684	char * outputFile = NULL;	char * outputFile = NULL;
3685	int arg = 0;	int arg = 0;
3686	int flags = 0;	int flags = 0;
3687	int badImageOkay = 0;	int badImageOkay = 0;
3688		int configureGrub2 = 0;
3689	int configureLilo = 0, configureELilo = 0, configureGrub = 0;	int configureLilo = 0, configureELilo = 0, configureGrub = 0;
3690	int configureYaboot = 0, configureSilo = 0, configureZipl = 0;	int configureYaboot = 0, configureSilo = 0, configureZipl = 0;
3691		int configureExtLinux = 0;
3692	int bootloaderProbe = 0;	int bootloaderProbe = 0;
3693		int extraInitrdCount = 0;
3694	char * updateKernelPath = NULL;	char * updateKernelPath = NULL;
3695	char * newKernelPath = NULL;	char * newKernelPath = NULL;
3696	char * removeKernelPath = NULL;	char * removeKernelPath = NULL;
#	Line 2299  int main(int argc, const char ** argv) {	Line 3706  int main(int argc, const char ** argv) {
3706	char * defaultKernel = NULL;	char * defaultKernel = NULL;
3707	char * removeArgs = NULL;	char * removeArgs = NULL;
3708	char * kernelInfo = NULL;	char * kernelInfo = NULL;
3709		char * extraInitrds[MAX_EXTRA_INITRDS] = { NULL };
3710	const char * chptr = NULL;	const char * chptr = NULL;
3711	struct configFileInfo * cfi = NULL;	struct configFileInfo * cfi = NULL;
3712	struct grubConfig * config;	struct grubConfig * config;
3713	struct singleEntry * template = NULL;	struct singleEntry * template = NULL;
3714	int copyDefault = 0, makeDefault = 0;	int copyDefault = 0, makeDefault = 0;
3715	int displayDefault = 0;	int displayDefault = 0;
3716		int displayDefaultIndex = 0;
3717		int displayDefaultTitle = 0;
3718	struct poptOption options[] = {	struct poptOption options[] = {
3719	{ "add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0,	{ "add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0,
3720	_("add an entry for the specified kernel"), _("kernel-path") },	_("add an entry for the specified kernel"), _("kernel-path") },
#	Line 2335  int main(int argc, const char ** argv) {	Line 3745  int main(int argc, const char ** argv) {
3745	"the kernel referenced by the default image does not exist, "	"the kernel referenced by the default image does not exist, "
3746	"the first linux entry whose kernel does exist is used as the "	"the first linux entry whose kernel does exist is used as the "
3747	"template"), NULL },	"template"), NULL },
3748		{ "debug", 0, 0, &debug, 0,
3749		_("print debugging information for failures") },
3750	{ "default-kernel", 0, 0, &displayDefault, 0,	{ "default-kernel", 0, 0, &displayDefault, 0,
3751	_("display the path of the default kernel") },	_("display the path of the default kernel") },
3752		{ "default-index", 0, 0, &displayDefaultIndex, 0,
3753		_("display the index of the default kernel") },
3754		{ "default-title", 0, 0, &displayDefaultTitle, 0,
3755		_("display the title of the default kernel") },
3756	{ "elilo", 0, POPT_ARG_NONE, &configureELilo, 0,	{ "elilo", 0, POPT_ARG_NONE, &configureELilo, 0,
3757	_("configure elilo bootloader") },	_("configure elilo bootloader") },
3758		{ "extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0,
3759		_("configure extlinux bootloader (from syslinux)") },
3760	{ "grub", 0, POPT_ARG_NONE, &configureGrub, 0,	{ "grub", 0, POPT_ARG_NONE, &configureGrub, 0,
3761	_("configure grub bootloader") },	_("configure grub bootloader") },
3762		{ "grub2", 0, POPT_ARG_NONE, &configureGrub2, 0,
3763		_("configure grub2 bootloader") },
3764	{ "info", 0, POPT_ARG_STRING, &kernelInfo, 0,	{ "info", 0, POPT_ARG_STRING, &kernelInfo, 0,
3765	_("display boot information for specified kernel"),	_("display boot information for specified kernel"),
3766	_("kernel-path") },	_("kernel-path") },
3767	{ "initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0,	{ "initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0,
3768	_("initrd image for the new kernel"), _("initrd-path") },	_("initrd image for the new kernel"), _("initrd-path") },
3769		{ "extra-initrd", 'i', POPT_ARG_STRING, NULL, 'i',
3770		_("auxilliary initrd image for things other than the new kernel"), _("initrd-path") },
3771	{ "lilo", 0, POPT_ARG_NONE, &configureLilo, 0,	{ "lilo", 0, POPT_ARG_NONE, &configureLilo, 0,
3772	_("configure lilo bootloader") },	_("configure lilo bootloader") },
3773	{ "make-default", 0, 0, &makeDefault, 0,	{ "make-default", 0, 0, &makeDefault, 0,
#	Line 2382  int main(int argc, const char ** argv) {	Line 3804  int main(int argc, const char ** argv) {
3804	{ 0, 0, 0, 0, 0 }	{ 0, 0, 0, 0, 0 }
3805	};	};
3806
3807		useextlinuxmenu=0;
3808
3809		signal(SIGSEGV, traceback);
3810
3811	optCon = poptGetContext("grubby", argc, argv, options, 0);	optCon = poptGetContext("grubby", argc, argv, options, 0);
3812	poptReadDefaultConfig(optCon, 1);	poptReadDefaultConfig(optCon, 1);
3813
#	Line 2391  int main(int argc, const char ** argv) {	Line 3817  int main(int argc, const char ** argv) {
3817	printf("grubby version %s\n", VERSION);	printf("grubby version %s\n", VERSION);
3818	exit(0);	exit(0);
3819	break;	break;
3820		case 'i':
3821		if (extraInitrdCount < MAX_EXTRA_INITRDS) {
3822		extraInitrds[extraInitrdCount++] = strdup(poptGetOptArg(optCon));
3823		} else {
3824		fprintf(stderr, _("grubby: extra initrd maximum is %d\n"), extraInitrdCount);
3825		return 1;
3826		}
3827		break;
3828	}	}
3829	}	}
3830
#	Line 2406  int main(int argc, const char ** argv) {	Line 3840  int main(int argc, const char ** argv) {
3840	return 1;	return 1;
3841	}	}
3842
3843	if ((configureLilo + configureGrub + configureELilo +	if ((configureLilo + configureGrub2 + configureGrub + configureELilo +
3844	configureYaboot + configureSilo + configureZipl) > 1) {	configureYaboot + configureSilo + configureZipl +
3845		configureExtLinux ) > 1) {
3846	fprintf(stderr, _("grubby: cannot specify multiple bootloaders\n"));	fprintf(stderr, _("grubby: cannot specify multiple bootloaders\n"));
3847	return 1;	return 1;
3848	} else if (bootloaderProbe && grubConfig) {	} else if (bootloaderProbe && grubConfig) {
3849	fprintf(stderr,	fprintf(stderr,
3850	_("grubby: cannot specify config file with --bootloader-probe\n"));	_("grubby: cannot specify config file with --bootloader-probe\n"));
3851	return 1;	return 1;
3852		} else if (configureGrub2) {
3853		cfi = &grub2ConfigType;
3854	} else if (configureLilo) {	} else if (configureLilo) {
3855	cfi = &liloConfigType;	cfi = &liloConfigType;
3856	} else if (configureGrub) {	} else if (configureGrub) {
#	Line 2426  int main(int argc, const char ** argv) {	Line 3863  int main(int argc, const char ** argv) {
3863	cfi = &siloConfigType;	cfi = &siloConfigType;
3864	} else if (configureZipl) {	} else if (configureZipl) {
3865	cfi = &ziplConfigType;	cfi = &ziplConfigType;
3866		} else if (configureExtLinux) {
3867		cfi = &extlinuxConfigType;
3868		useextlinuxmenu=1;
3869	}	}
3870
3871	if (!cfi) {	if (!cfi) {
3872		if (grub2FindConfig(&grub2ConfigType))
3873		cfi = &grub2ConfigType;
3874		else
3875	#ifdef __ia64__	#ifdef __ia64__
3876	cfi = &eliloConfigType;	cfi = &eliloConfigType;
3877	#elif __powerpc__	#elif __powerpc__
3878	cfi = &yabootConfigType;	cfi = &yabootConfigType;
3879	#elif __sparc__	#elif __sparc__
3880	cfi = &siloConfigType;	cfi = &siloConfigType;
3881	#elif __s390__	#elif __s390__
3882	cfi = &ziplConfigType;	cfi = &ziplConfigType;
3883	#elif __s390x__	#elif __s390x__
3884	cfi = &ziplConfigtype;	cfi = &ziplConfigtype;
3885	#else	#else
3886	cfi = &grubConfigType;	cfi = &grubConfigType;
3887	#endif	#endif
3888	}	}
3889
3890	if (!grubConfig)	if (!grubConfig) {
3891	grubConfig = cfi->defaultConfig;	if (cfi->findConfig)
3892		grubConfig = cfi->findConfig(cfi);
3893		if (!grubConfig)
3894		grubConfig = cfi->defaultConfig;
3895		}
3896
3897	if (bootloaderProbe && (displayDefault || kernelInfo || newKernelVersion ||	if (bootloaderProbe && (displayDefault || kernelInfo || newKernelVersion ||
3898	newKernelPath || removeKernelPath || makeDefault ||	newKernelPath || removeKernelPath || makeDefault ||
3899	defaultKernel)) {	defaultKernel || displayDefaultIndex || displayDefaultTitle)) {
3900	fprintf(stderr, _("grubby: --bootloader-probe may not be used with "	fprintf(stderr, _("grubby: --bootloader-probe may not be used with "
3901	"specified option"));	"specified option"));
3902	return 1;	return 1;
#	Line 2465  int main(int argc, const char ** argv) {	Line 3912  int main(int argc, const char ** argv) {
3912	if (newKernelPath && !newKernelTitle) {	if (newKernelPath && !newKernelTitle) {
3913	fprintf(stderr, _("grubby: kernel title must be specified\n"));	fprintf(stderr, _("grubby: kernel title must be specified\n"));
3914	return 1;	return 1;
3915	} else if (!newKernelPath && (newKernelTitle  || newKernelInitrd ||	} else if (!newKernelPath && (newKernelTitle  || copyDefault ||
3916	newKernelInitrd || copyDefault     ||	(newKernelInitrd && !updateKernelPath)||
3917	makeDefault)) {	makeDefault || extraInitrdCount > 0)) {
3918	fprintf(stderr, _("grubby: kernel path expected\n"));	fprintf(stderr, _("grubby: kernel path expected\n"));
3919	return 1;	return 1;
3920	}	}
#	Line 2492  int main(int argc, const char ** argv) {	Line 3939  int main(int argc, const char ** argv) {
3939	defaultKernel = NULL;	defaultKernel = NULL;
3940	}	}
3941
3942	if (!strcmp(grubConfig, "-") && !outputFile) {	if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) {
3943	fprintf(stderr, _("grubby: output file must be specified if stdin "	fprintf(stderr, _("grubby: output file must be specified if stdin "
3944	"is used\n"));	"is used\n"));
3945	return 1;	return 1;
#	Line 2500  int main(int argc, const char ** argv) {	Line 3947  int main(int argc, const char ** argv) {
3947
3948	if (!removeKernelPath && !newKernelPath && !displayDefault && !defaultKernel	if (!removeKernelPath && !newKernelPath && !displayDefault && !defaultKernel
3949	&& !kernelInfo && !bootloaderProbe && !updateKernelPath	&& !kernelInfo && !bootloaderProbe && !updateKernelPath
3950	&& !removeMBKernel) {	&& !removeMBKernel && !displayDefaultIndex && !displayDefaultTitle) {
3951	fprintf(stderr, _("grubby: no action specified\n"));	fprintf(stderr, _("grubby: no action specified\n"));
3952	return 1;	return 1;
3953	}	}
#	Line 2520  int main(int argc, const char ** argv) {	Line 3967  int main(int argc, const char ** argv) {
3967	bootPrefix = "";	bootPrefix = "";
3968	}	}
3969
3970		if (!cfi->mbAllowExtraInitRds &&
3971		extraInitrdCount > 0) {
3972		fprintf(stderr, _("grubby: %s doesn't allow multiple initrds\n"), cfi->defaultConfig);
3973		return 1;
3974		}
3975
3976	if (bootloaderProbe) {	if (bootloaderProbe) {
3977	int lrc = 0, grc = 0;	int lrc = 0, grc = 0, gr2c = 0, erc = 0;
3978	struct grubConfig * lconfig, * gconfig;	struct grubConfig * lconfig, * gconfig;
3979
3980	if (!access(grubConfigType.defaultConfig, F_OK)) {	const char *grub2config = grub2FindConfig(&grub2ConfigType);
3981	gconfig = readConfig(grubConfigType.defaultConfig, &grubConfigType);	if (grub2config) {
3982		gconfig = readConfig(grub2config, &grub2ConfigType);
3983		if (!gconfig)
3984		gr2c = 1;
3985		else
3986		gr2c = checkForGrub2(gconfig);
3987		}
3988
3989		const char *grubconfig = grubFindConfig(&grubConfigType);
3990		if (!access(grubconfig, F_OK)) {
3991		gconfig = readConfig(grubconfig, &grubConfigType);
3992	if (!gconfig)	if (!gconfig)
3993	grc = 1;	grc = 1;
3994	else	else
#	Line 2540  int main(int argc, const char ** argv) {	Line 4003  int main(int argc, const char ** argv) {
4003	lrc = checkForLilo(lconfig);	lrc = checkForLilo(lconfig);
4004	}	}
4005
4006	if (lrc == 1 || grc == 1) return 1;	if (!access(extlinuxConfigType.defaultConfig, F_OK)) {
4007		lconfig = readConfig(extlinuxConfigType.defaultConfig, &extlinuxConfigType);
4008		if (!lconfig)
4009		erc = 1;
4010		else
4011		erc = checkForExtLinux(lconfig);
4012		}
4013
4014		if (lrc == 1 || grc == 1 || gr2c == 1) return 1;
4015
4016	if (lrc == 2) printf("lilo\n");	if (lrc == 2) printf("lilo\n");
4017		if (gr2c == 2) printf("grub2\n");
4018	if (grc == 2) printf("grub\n");	if (grc == 2) printf("grub\n");
4019		if (erc == 2) printf("extlinux\n");
4020
4021	return 0;	return 0;
4022	}	}
#	Line 2561  int main(int argc, const char ** argv) {	Line 4034  int main(int argc, const char ** argv) {
4034	if (!entry) return 0;	if (!entry) return 0;
4035	if (!suitableImage(entry, bootPrefix, 0, flags)) return 0;	if (!suitableImage(entry, bootPrefix, 0, flags)) return 0;
4036
4037	line = entry->lines;	line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines);
	while (line && line->type != LT_KERNEL) line = line->next;
4038	if (!line) return 0;	if (!line) return 0;
4039
4040	rootspec = getRootSpecifier(line->elements[1].item);	rootspec = getRootSpecifier(line->elements[1].item);
#	Line 2570  int main(int argc, const char ** argv) {	Line 4042  int main(int argc, const char ** argv) {
4042	((rootspec != NULL) ? strlen(rootspec) : 0));	((rootspec != NULL) ? strlen(rootspec) : 0));
4043
4044	return 0;	return 0;
4045
4046		} else if (displayDefaultTitle) {
4047		struct singleLine * line;
4048		struct singleEntry * entry;
4049
4050		if (config->defaultImage == -1) return 0;
4051		entry = findEntryByIndex(config, config->defaultImage);
4052		if (!entry) return 0;
4053
4054		if (!configureGrub2) {
4055		line = getLineByType(LT_TITLE, entry->lines);
4056		if (!line) return 0;
4057		printf("%s\n", line->elements[1].item);
4058
4059		} else {
4060		char * title;
4061
4062		dbgPrintf("This is GRUB2, default title is embeded in menuentry\n");
4063		line = getLineByType(LT_MENUENTRY, entry->lines);
4064		if (!line) return 0;
4065		title = grub2ExtractTitle(line);
4066		if (title)
4067		printf("%s\n", title);
4068		}
4069		return 0;
4070
4071		} else if (displayDefaultIndex) {
4072		if (config->defaultImage == -1) return 0;
4073		printf("%i\n", config->defaultImage);
4074
4075	} else if (kernelInfo)	} else if (kernelInfo)
4076	return displayInfo(config, kernelInfo, bootPrefix);	return displayInfo(config, kernelInfo, bootPrefix);
4077
#	Line 2585  int main(int argc, const char ** argv) {	Line 4087  int main(int argc, const char ** argv) {
4087	setFallbackImage(config, newKernelPath != NULL);	setFallbackImage(config, newKernelPath != NULL);
4088	if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs,	if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs,
4089	removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1;	removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1;
4090		if (updateKernelPath && newKernelInitrd) {
4091		if (updateInitrd(config, updateKernelPath, bootPrefix,
4092		newKernelInitrd)) return 1;
4093		}
4094	if (addNewKernel(config, template, bootPrefix, newKernelPath,	if (addNewKernel(config, template, bootPrefix, newKernelPath,
4095	newKernelTitle, newKernelArgs, newKernelInitrd,	newKernelTitle, newKernelArgs, newKernelInitrd,
4096		(const char **)extraInitrds, extraInitrdCount,
4097	newMBKernel, newMBKernelArgs)) return 1;	newMBKernel, newMBKernelArgs)) return 1;
4098
4099
#	Line 2597  int main(int argc, const char ** argv) {	Line 4104  int main(int argc, const char ** argv) {
4104	}	}
4105
4106	if (!outputFile)	if (!outputFile)
4107	outputFile = grubConfig;	outputFile = (char *)grubConfig;
4108
4109	return writeConfig(config, outputFile, bootPrefix);	return writeConfig(config, outputFile, bootPrefix);
4110	}	}

---

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Legend: Removed from v.532   changed lines   Added in v.1850