Diff of /trunk/grubby/grubby.c

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	trunk/mkinitrd-magellan/grubby/grubby.c revision 926 by niro, Wed Oct 28 13:29:38 2009 UTC	trunk/grubby/grubby.c revision 2983 by niro, Thu Jun 30 10:27:31 2016 UTC
#	Line 36	Line 36
36	#include <signal.h>	#include <signal.h>
37	#include <blkid/blkid.h>	#include <blkid/blkid.h>
38
39		#include "log.h"
40
41		#ifndef DEBUG
42	#define DEBUG 0	#define DEBUG 0
43		#endif
44
45	#if DEBUG	#if DEBUG
46	#define dbgPrintf(format, args...) fprintf(stderr, format , ## args)	#define dbgPrintf(format, args...) fprintf(stderr, format , ## args)
#	Line 44	Line 48
48	#define dbgPrintf(format, args...)	#define dbgPrintf(format, args...)
49	#endif	#endif
50
51		int debug = 0; /* Currently just for template debugging */
52
53	#define _(A) (A)	#define _(A) (A)
54
55	#define MAX_EXTRA_INITRDS  16 /* code segment checked by --bootloader-probe */	#define MAX_EXTRA_INITRDS  16 /* code segment checked by --bootloader-probe */
56	#define CODE_SEG_SIZE  128 /* code segment checked by --bootloader-probe */	#define CODE_SEG_SIZE  128 /* code segment checked by --bootloader-probe */
57
58		#define NOOP_OPCODE 0x90
59		#define JMP_SHORT_OPCODE 0xeb
60
61		int isEfi = 0;
62
63		#if defined(__aarch64__)
64		#define isEfiOnly 1
65		#else
66		#define isEfiOnly 0
67		#endif
68
69		char *saved_command_line = NULL;
70
71	/* comments get lumped in with indention */	/* comments get lumped in with indention */
72	struct lineElement {	struct lineElement {
73	char * item;	char * item;
#	Line 56  struct lineElement {	Line 75  struct lineElement {
75	};	};
76
77	enum lineType_e {	enum lineType_e {
78	LT_WHITESPACE = 1 << 0,	LT_WHITESPACE   = 1 << 0,
79	LT_TITLE      = 1 << 1,	LT_TITLE        = 1 << 1,
80	LT_KERNEL     = 1 << 2,	LT_KERNEL       = 1 << 2,
81	LT_INITRD     = 1 << 3,	LT_INITRD       = 1 << 3,
82	LT_HYPER      = 1 << 4,	LT_HYPER        = 1 << 4,
83	LT_DEFAULT    = 1 << 5,	LT_DEFAULT      = 1 << 5,
84	LT_MBMODULE   = 1 << 6,	LT_MBMODULE     = 1 << 6,
85	LT_ROOT       = 1 << 7,	LT_ROOT         = 1 << 7,
86	LT_FALLBACK   = 1 << 8,	LT_FALLBACK     = 1 << 8,
87	LT_KERNELARGS = 1 << 9,	LT_KERNELARGS   = 1 << 9,
88	LT_BOOT       = 1 << 10,	LT_BOOT         = 1 << 10,
89	LT_BOOTROOT   = 1 << 11,	LT_BOOTROOT     = 1 << 11,
90	LT_LBA        = 1 << 12,	LT_LBA          = 1 << 12,
91	LT_OTHER      = 1 << 13,	LT_OTHER        = 1 << 13,
92	LT_GENERIC    = 1 << 14,	LT_GENERIC      = 1 << 14,
93	LT_UNKNOWN    = 1 << 15,	LT_ECHO    = 1 << 16,
94		LT_MENUENTRY    = 1 << 17,
95		LT_ENTRY_END    = 1 << 18,
96		LT_SET_VARIABLE = 1 << 19,
97		LT_KERNEL_EFI   = 1 << 20,
98		LT_INITRD_EFI   = 1 << 21,
99		LT_KERNEL_16    = 1 << 22,
100		LT_INITRD_16    = 1 << 23,
101		LT_DEVTREE      = 1 << 24,
102		LT_UNKNOWN      = 1 << 25,
103	};	};
104
105	struct singleLine {	struct singleLine {
#	Line 99  struct singleEntry {	Line 127  struct singleEntry {
127	#define NEED_TITLE   (1 << 2)	#define NEED_TITLE   (1 << 2)
128	#define NEED_ARGS    (1 << 3)	#define NEED_ARGS    (1 << 3)
129	#define NEED_MB      (1 << 4)	#define NEED_MB      (1 << 4)
130		#define NEED_END     (1 << 5)
131		#define NEED_DEVTREE (1 << 6)
132
133	#define MAIN_DEFAULT    (1 << 0)	#define MAIN_DEFAULT    (1 << 0)
134	#define DEFAULT_SAVED       -2	#define DEFAULT_SAVED       -2
135		#define DEFAULT_SAVED_GRUB2 -3
136
137	struct keywordTypes {	struct keywordTypes {
138	char * key;	char * key;
#	Line 110  struct keywordTypes {	Line 141  struct keywordTypes {
141	char separatorChar;	char separatorChar;
142	};	};
143
144		struct configFileInfo;
145
146		typedef const char *(*findConfigFunc)(struct configFileInfo *);
147		typedef const int (*writeLineFunc)(struct configFileInfo *,
148		struct singleLine *line);
149		typedef char *(*getEnvFunc)(struct configFileInfo *, char *name);
150		typedef int (*setEnvFunc)(struct configFileInfo *, char *name, char *value);
151
152	struct configFileInfo {	struct configFileInfo {
153	char * defaultConfig;	char * defaultConfig;
154		findConfigFunc findConfig;
155		writeLineFunc writeLine;
156		getEnvFunc getEnv;
157		setEnvFunc setEnv;
158	struct keywordTypes * keywords;	struct keywordTypes * keywords;
159		int caseInsensitive;
160	int defaultIsIndex;	int defaultIsIndex;
161		int defaultIsVariable;
162	int defaultSupportSaved;	int defaultSupportSaved;
163	enum lineType_e entrySeparator;	int defaultIsSaved;
164		int defaultIsUnquoted;
165		enum lineType_e entryStart;
166		enum lineType_e entryEnd;
167	int needsBootPrefix;	int needsBootPrefix;
168	int argsInQuotes;	int argsInQuotes;
169	int maxTitleLength;	int maxTitleLength;
170	int titleBracketed;	int titleBracketed;
171		int titlePosition;
172	int mbHyperFirst;	int mbHyperFirst;
173	int mbInitRdIsModule;	int mbInitRdIsModule;
174	int mbConcatArgs;	int mbConcatArgs;
175	int mbAllowExtraInitRds;	int mbAllowExtraInitRds;
176		char *envFile;
177	};	};
178
179	struct keywordTypes grubKeywords[] = {	struct keywordTypes grubKeywords[] = {
#	Line 138  struct keywordTypes grubKeywords[] = {	Line 188  struct keywordTypes grubKeywords[] = {
188	{ NULL,    0, 0 },	{ NULL,    0, 0 },
189	};	};
190
191		const char *grubFindConfig(struct configFileInfo *cfi) {
192		static const char *configFiles[] = {
193		"/boot/grub/grub.conf",
194		"/boot/grub/menu.lst",
195		"/etc/grub.conf",
196		"/boot/grub2/grub.cfg",
197		"/boot/grub2-efi/grub.cfg",
198		NULL
199		};
200		static int i = -1;
201
202		if (i == -1) {
203		for (i = 0; configFiles[i] != NULL; i++) {
204		dbgPrintf("Checking \"%s\": ", configFiles[i]);
205		if (!access(configFiles[i], R_OK)) {
206		dbgPrintf("found\n");
207		return configFiles[i];
208		}
209		dbgPrintf("not found\n");
210		}
211		}
212		return configFiles[i];
213		}
214
215	struct configFileInfo grubConfigType = {	struct configFileInfo grubConfigType = {
216	"/boot/grub/grub.conf",    /* defaultConfig */	.findConfig = grubFindConfig,
217	grubKeywords,    /* keywords */	.keywords = grubKeywords,
218	1,    /* defaultIsIndex */	.defaultIsIndex = 1,
219	1,    /* defaultSupportSaved */	.defaultSupportSaved = 1,
220	LT_TITLE,    /* entrySeparator */	.entryStart = LT_TITLE,
221	1,    /* needsBootPrefix */	.needsBootPrefix = 1,
222	0,    /* argsInQuotes */	.mbHyperFirst = 1,
223	0,    /* maxTitleLength */	.mbInitRdIsModule = 1,
224	0,                                      /* titleBracketed */	.mbAllowExtraInitRds = 1,
225	1,                                      /* mbHyperFirst */	.titlePosition = 1,
226	1,                                      /* mbInitRdIsModule */	};
227	0,                                      /* mbConcatArgs */
228	1,                                      /* mbAllowExtraInitRds */	struct keywordTypes grub2Keywords[] = {
229		{ "menuentry",  LT_MENUENTRY,   ' ' },
230		{ "}",          LT_ENTRY_END,   ' ' },
231		{ "echo",       LT_ECHO,        ' ' },
232		{ "set",        LT_SET_VARIABLE,' ', '=' },
233		{ "root",       LT_BOOTROOT,    ' ' },
234		{ "default",    LT_DEFAULT,     ' ' },
235		{ "fallback",   LT_FALLBACK,    ' ' },
236		{ "linux",      LT_KERNEL,      ' ' },
237		{ "linuxefi",   LT_KERNEL_EFI,  ' ' },
238		{ "linux16",    LT_KERNEL_16,   ' ' },
239		{ "initrd",     LT_INITRD,      ' ', ' ' },
240		{ "initrdefi",  LT_INITRD_EFI,  ' ', ' ' },
241		{ "initrd16",   LT_INITRD_16,   ' ', ' ' },
242		{ "module",     LT_MBMODULE,    ' ' },
243		{ "kernel",     LT_HYPER,       ' ' },
244		{ "devicetree", LT_DEVTREE,  ' ' },
245		{ NULL, 0, 0 },
246		};
247
248		const char *grub2FindConfig(struct configFileInfo *cfi) {
249		static const char *configFiles[] = {
250		"/boot/grub/grub-efi.cfg",
251		"/boot/grub/grub.cfg",
252		NULL
253		};
254		static int i = -1;
255		static const char *grub_cfg = "/boot/grub/grub.cfg";
256		int rc = -1;
257
258		if (i == -1) {
259		for (i = 0; configFiles[i] != NULL; i++) {
260		dbgPrintf("Checking \"%s\": ", configFiles[i]);
261		if ((rc = access(configFiles[i], R_OK))) {
262		if (errno == EACCES) {
263		printf("Unable to access bootloader configuration file "
264		"\"%s\": %m\n", configFiles[i]);
265		exit(1);
266		}
267		continue;
268		} else {
269		dbgPrintf("found\n");
270		return configFiles[i];
271		}
272		}
273		}
274
275		/* Ubuntu renames grub2 to grub, so check for the grub.d directory
276		* that isn't in grub1, and if it exists, return the config file path
277		* that they use. */
278		if (configFiles[i] == NULL && !access("/etc/grub.d/", R_OK)) {
279		dbgPrintf("found\n");
280		return grub_cfg;
281		}
282
283		dbgPrintf("not found\n");
284		return configFiles[i];
285		}
286
287		/* kind of hacky.  It'll give the first 1024 bytes, ish. */
288		static char *grub2GetEnv(struct configFileInfo *info, char *name)
289		{
290		static char buf[1025];
291		char *s = NULL;
292		char *ret = NULL;
293		char *envFile = info->envFile ? info->envFile : "/boot/grub/grubenv";
294		int rc = asprintf(&s, "grub-editenv %s list | grep '^%s='", envFile, name);
295
296		if (rc < 0)
297		return NULL;
298
299		FILE *f = popen(s, "r");
300		if (!f)
301		goto out;
302
303		memset(buf, '\0', sizeof (buf));
304		ret = fgets(buf, 1024, f);
305		pclose(f);
306
307		if (ret) {
308		ret += strlen(name) + 1;
309		ret[strlen(ret) - 1] = '\0';
310		}
311		dbgPrintf("grub2GetEnv(%s): %s\n", name, ret);
312		out:
313		free(s);
314		return ret;
315		}
316
317		static int sPopCount(const char *s, const char *c)
318		{
319		int ret = 0;
320		if (!s)
321		return -1;
322		for (int i = 0; s[i] != '\0'; i++)
323		for (int j = 0; c[j] != '\0'; j++)
324		if (s[i] == c[j])
325		ret++;
326		return ret;
327		}
328
329		static char *shellEscape(const char *s)
330		{
331		int l = strlen(s) + sPopCount(s, "'") * 2;
332
333		char *ret = calloc(l+1, sizeof (*ret));
334		if (!ret)
335		return NULL;
336		for (int i = 0, j = 0; s[i] != '\0'; i++, j++) {
337		if (s[i] == '\'')
338		ret[j++] = '\\';
339		ret[j] = s[i];
340		}
341		return ret;
342		}
343
344		static void unquote(char *s)
345		{
346		int l = strlen(s);
347
348		if ((s[l-1] == '\'' && s[0] == '\'') || (s[l-1] == '"' && s[0] == '"')) {
349		memmove(s, s+1, l-2);
350		s[l-2] = '\0';
351		}
352		}
353
354		static int grub2SetEnv(struct configFileInfo *info, char *name, char *value)
355		{
356		char *s = NULL;
357		int rc = 0;
358		char *envFile = info->envFile ? info->envFile : "/boot/grub/grubenv";
359
360		unquote(value);
361		value = shellEscape(value);
362		if (!value)
363		return -1;
364
365		rc = asprintf(&s, "grub-editenv %s set '%s=%s'", envFile, name, value);
366		free(value);
367		if (rc <0)
368		return -1;
369
370		dbgPrintf("grub2SetEnv(%s): %s\n", name, s);
371		rc = system(s);
372		free(s);
373		return rc;
374		}
375
376		/* this is a gigantic hack to avoid clobbering grub2 variables... */
377		static int is_special_grub2_variable(const char *name)
378		{
379		if (!strcmp(name,"\"${next_entry}\""))
380		return 1;
381		if (!strcmp(name,"\"${prev_saved_entry}\""))
382		return 1;
383		return 0;
384		}
385
386		int sizeOfSingleLine(struct singleLine * line) {
387		int count = 0;
388
389		for (int i = 0; i < line->numElements; i++) {
390		int indentSize = 0;
391
392		count = count + strlen(line->elements[i].item);
393
394		indentSize = strlen(line->elements[i].indent);
395		if (indentSize > 0)
396		count = count + indentSize;
397		else
398		/* be extra safe and add room for whitespaces */
399		count = count + 1;
400		}
401
402		/* room for trailing terminator */
403		count = count + 1;
404
405		return count;
406		}
407
408		static int isquote(char q)
409		{
410		if (q == '\'' || q == '\"')
411		return 1;
412		return 0;
413		}
414
415		static int iskernel(enum lineType_e type) {
416		return (type == LT_KERNEL || type == LT_KERNEL_EFI || type == LT_KERNEL_16);
417		}
418
419		static int isinitrd(enum lineType_e type) {
420		return (type == LT_INITRD || type == LT_INITRD_EFI || type == LT_INITRD_16);
421		}
422
423		char *grub2ExtractTitle(struct singleLine * line) {
424		char * current;
425		char * current_indent;
426		int current_len;
427		int current_indent_len;
428		int i;
429
430		/* bail out if line does not start with menuentry */
431		if (strcmp(line->elements[0].item, "menuentry"))
432		return NULL;
433
434		i = 1;
435		current = line->elements[i].item;
436		current_len = strlen(current);
437
438		/* if second word is quoted, strip the quotes and return single word */
439		if (isquote(*current) && isquote(current[current_len - 1])) {
440		char *tmp;
441
442		tmp = strdup(current);
443		*(tmp + current_len - 1) = '\0';
444		return ++tmp;
445		}
446
447		/* if no quotes, return second word verbatim */
448		if (!isquote(*current))
449		return current;
450
451		/* second element start with a quote, so we have to find the element
452		* whose last character is also quote (assuming it's the closing one) */
453		int resultMaxSize;
454		char * result;
455
456		resultMaxSize = sizeOfSingleLine(line);
457		result = malloc(resultMaxSize);
458		snprintf(result, resultMaxSize, "%s", ++current);
459
460		i++;
461		for (; i < line->numElements; ++i) {
462		current = line->elements[i].item;
463		current_len = strlen(current);
464		current_indent = line->elements[i].indent;
465		current_indent_len = strlen(current_indent);
466
467		strncat(result, current_indent, current_indent_len);
468		if (!isquote(current[current_len-1])) {
469		strncat(result, current, current_len);
470		} else {
471		strncat(result, current, current_len - 1);
472		break;
473		}
474		}
475		return result;
476		}
477
478		struct configFileInfo grub2ConfigType = {
479		.findConfig = grub2FindConfig,
480		.getEnv = grub2GetEnv,
481		.setEnv = grub2SetEnv,
482		.keywords = grub2Keywords,
483		.defaultIsIndex = 1,
484		.defaultSupportSaved = 1,
485		.defaultIsVariable = 1,
486		.entryStart = LT_MENUENTRY,
487		.entryEnd = LT_ENTRY_END,
488		.titlePosition = 1,
489		.needsBootPrefix = 1,
490		.mbHyperFirst = 1,
491		.mbInitRdIsModule = 1,
492		.mbAllowExtraInitRds = 1,
493	};	};
494
495	struct keywordTypes yabootKeywords[] = {	struct keywordTypes yabootKeywords[] = {
#	Line 245  struct keywordTypes extlinuxKeywords[] =	Line 583  struct keywordTypes extlinuxKeywords[] =
583	{ "initrd",    LT_INITRD,      ' ', ',' },	{ "initrd",    LT_INITRD,      ' ', ',' },
584	{ "append",    LT_KERNELARGS,  ' ' },	{ "append",    LT_KERNELARGS,  ' ' },
585	{ "prompt",     LT_UNKNOWN,     ' ' },	{ "prompt",     LT_UNKNOWN,     ' ' },
586		{ "fdt",        LT_DEVTREE,     ' ' },
587		{ "fdtdir",     LT_DEVTREE,     ' ' },
588	{ NULL,    0, 0 },	{ NULL,    0, 0 },
589	};	};
590	int useextlinuxmenu;	int useextlinuxmenu;
591	struct configFileInfo eliloConfigType = {	struct configFileInfo eliloConfigType = {
592	"/boot/efi/EFI/redhat/elilo.conf",    /* defaultConfig */	.defaultConfig = "/boot/efi/EFI/redhat/elilo.conf",
593	eliloKeywords,    /* keywords */	.keywords = eliloKeywords,
594	0,    /* defaultIsIndex */	.entryStart = LT_KERNEL,
595	0,    /* defaultSupportSaved */	.needsBootPrefix = 1,
596	LT_KERNEL,    /* entrySeparator */	.argsInQuotes = 1,
597	1,                    /* needsBootPrefix */	.mbConcatArgs = 1,
598	1,    /* argsInQuotes */	.titlePosition = 1,
	0,    /* maxTitleLength */
	0,                                      /* titleBracketed */
	0,                                      /* mbHyperFirst */
	0,                                      /* mbInitRdIsModule */
	1,                                      /* mbConcatArgs */
	0,                                      /* mbAllowExtraInitRds */
599	};	};
600
601	struct configFileInfo liloConfigType = {	struct configFileInfo liloConfigType = {
602	"/etc/lilo.conf",    /* defaultConfig */	.defaultConfig = "/etc/lilo.conf",
603	liloKeywords,    /* keywords */	.keywords = liloKeywords,
604	0,    /* defaultIsIndex */	.entryStart = LT_KERNEL,
605	0,    /* defaultSupportSaved */	.argsInQuotes = 1,
606	LT_KERNEL,    /* entrySeparator */	.maxTitleLength = 15,
607	0,    /* needsBootPrefix */	.titlePosition = 1,
	1,    /* argsInQuotes */
	15,    /* maxTitleLength */
	0,                                      /* titleBracketed */
	0,                                      /* mbHyperFirst */
	0,                                      /* mbInitRdIsModule */
	0,                                      /* mbConcatArgs */
	0,                                      /* mbAllowExtraInitRds */
608	};	};
609
610	struct configFileInfo yabootConfigType = {	struct configFileInfo yabootConfigType = {
611	"/etc/yaboot.conf",    /* defaultConfig */	.defaultConfig = "/etc/yaboot.conf",
612	yabootKeywords,    /* keywords */	.keywords = yabootKeywords,
613	0,    /* defaultIsIndex */	.entryStart = LT_KERNEL,
614	0,    /* defaultSupportSaved */	.needsBootPrefix = 1,
615	LT_KERNEL,    /* entrySeparator */	.argsInQuotes = 1,
616	1,    /* needsBootPrefix */	.maxTitleLength = 15,
617	1,    /* argsInQuotes */	.mbAllowExtraInitRds = 1,
618	15,    /* maxTitleLength */	.titlePosition = 1,
	0,                                      /* titleBracketed */
	0,                                      /* mbHyperFirst */
	0,                                      /* mbInitRdIsModule */
	0,                                      /* mbConcatArgs */
	1,                                      /* mbAllowExtraInitRds */
619	};	};
620
621	struct configFileInfo siloConfigType = {	struct configFileInfo siloConfigType = {
622	"/etc/silo.conf",    /* defaultConfig */	.defaultConfig = "/etc/silo.conf",
623	siloKeywords,    /* keywords */	.keywords = siloKeywords,
624	0,    /* defaultIsIndex */	.entryStart = LT_KERNEL,
625	0,    /* defaultSupportSaved */	.needsBootPrefix = 1,
626	LT_KERNEL,    /* entrySeparator */	.argsInQuotes = 1,
627	1,    /* needsBootPrefix */	.maxTitleLength = 15,
628	1,    /* argsInQuotes */	.titlePosition = 1,
	15,    /* maxTitleLength */
	0,                                      /* titleBracketed */
	0,                                      /* mbHyperFirst */
	0,                                      /* mbInitRdIsModule */
	0,                                      /* mbConcatArgs */
	0,                                      /* mbAllowExtraInitRds */
629	};	};
630
631	struct configFileInfo ziplConfigType = {	struct configFileInfo ziplConfigType = {
632	"/etc/zipl.conf",    /* defaultConfig */	.defaultConfig = "/etc/zipl.conf",
633	ziplKeywords,    /* keywords */	.keywords = ziplKeywords,
634	0,    /* defaultIsIndex */	.entryStart = LT_TITLE,
635	0,    /* defaultSupportSaved */	.argsInQuotes = 1,
636	LT_TITLE,    /* entrySeparator */	.titleBracketed = 1,
	0,    /* needsBootPrefix */
	1,    /* argsInQuotes */
	0,    /* maxTitleLength */
	1,                                      /* titleBracketed */
	0,                                      /* mbHyperFirst */
	0,                                      /* mbInitRdIsModule */
	0,                                      /* mbConcatArgs */
	0,                                      /* mbAllowExtraInitRds */
637	};	};
638
639	struct configFileInfo extlinuxConfigType = {	struct configFileInfo extlinuxConfigType = {
640	"/boot/extlinux/extlinux.conf",         /* defaultConfig */	.defaultConfig = "/boot/extlinux/extlinux.conf",
641	extlinuxKeywords,                       /* keywords */	.keywords = extlinuxKeywords,
642	0,                                      /* defaultIsIndex */	.caseInsensitive = 1,
643	0,                                      /* defaultSupportSaved */	.entryStart = LT_TITLE,
644	LT_TITLE,                               /* entrySeparator */	.needsBootPrefix = 1,
645	1,                                      /* needsBootPrefix */	.maxTitleLength = 255,
646	0,                                      /* argsInQuotes */	.mbAllowExtraInitRds = 1,
647	255,                                    /* maxTitleLength */	.defaultIsUnquoted = 1,
648	0,                                      /* titleBracketed */	.titlePosition = 1,
	0,                                      /* mbHyperFirst */
	0,                                      /* mbInitRdIsModule */
	0,                                      /* mbConcatArgs */
	1,                                      /* mbAllowExtraInitRds */
649	};	};
650
651	struct grubConfig {	struct grubConfig {
#	Line 356  struct grubConfig {	Line 660  struct grubConfig {
660	struct configFileInfo * cfi;	struct configFileInfo * cfi;
661	};	};
662
663		blkid_cache blkid;
664
665	struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index);	struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index);
666	struct singleEntry * findEntryByPath(struct grubConfig * cfg,	struct singleEntry * findEntryByPath(struct grubConfig * cfg,
667	const char * path, const char * prefix,	const char * path, const char * prefix,
668	int * index);	int * index);
669		struct singleEntry * findEntryByTitle(struct grubConfig * cfg, char *title,
670		int * index);
671	static int readFile(int fd, char ** bufPtr);	static int readFile(int fd, char ** bufPtr);
672	static void lineInit(struct singleLine * line);	static void lineInit(struct singleLine * line);
673	struct singleLine * lineDup(struct singleLine * line);	struct singleLine * lineDup(struct singleLine * line);
#	Line 369  static int lineWrite(FILE * out, struct	Line 677  static int lineWrite(FILE * out, struct
677	static int getNextLine(char ** bufPtr, struct singleLine * line,	static int getNextLine(char ** bufPtr, struct singleLine * line,
678	struct configFileInfo * cfi);	struct configFileInfo * cfi);
679	static char * getRootSpecifier(char * str);	static char * getRootSpecifier(char * str);
680		static void requote(struct singleLine *line, struct configFileInfo * cfi);
681	static void insertElement(struct singleLine * line,	static void insertElement(struct singleLine * line,
682	const char * item, int insertHere,	const char * item, int insertHere,
683	struct configFileInfo * cfi);	struct configFileInfo * cfi);
#	Line 423  static char * sdupprintf(const char *for	Line 732  static char * sdupprintf(const char *for
732	return buf;	return buf;
733	}	}
734
735		static enum lineType_e preferredLineType(enum lineType_e type,
736		struct configFileInfo *cfi) {
737		if (isEfi && cfi == &grub2ConfigType) {
738		switch (type) {
739		case LT_KERNEL:
740		return isEfiOnly ? LT_KERNEL : LT_KERNEL_EFI;
741		case LT_INITRD:
742		return isEfiOnly ? LT_INITRD : LT_INITRD_EFI;
743		default:
744		return type;
745		}
746		#if defined(__i386__) || defined(__x86_64__)
747		} else if (cfi == &grub2ConfigType) {
748		switch (type) {
749		case LT_KERNEL:
750		return LT_KERNEL_16;
751		case LT_INITRD:
752		return LT_INITRD_16;
753		default:
754		return type;
755		}
756		#endif
757		}
758		return type;
759		}
760
761	static struct keywordTypes * getKeywordByType(enum lineType_e type,	static struct keywordTypes * getKeywordByType(enum lineType_e type,
762	struct configFileInfo * cfi) {	struct configFileInfo * cfi) {
763	struct keywordTypes * kw;	for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) {
	for (kw = cfi->keywords; kw->key; kw++) {
764	if (kw->type == type)	if (kw->type == type)
765	return kw;	return kw;
766	}	}
767	return NULL;	return NULL;
768	}	}
769
770	static char * getpathbyspec(char *device) {	static char *getKeyByType(enum lineType_e type, struct configFileInfo * cfi) {
771	static blkid_cache blkid;	struct keywordTypes *kt = getKeywordByType(type, cfi);
772		if (kt)
773		return kt->key;
774		return "unknown";
775		}
776
777		static char * getpathbyspec(char *device) {
778	if (!blkid)	if (!blkid)
779	blkid_get_cache(&blkid, NULL);	blkid_get_cache(&blkid, NULL);
780
781	return blkid_get_devname(blkid, device, NULL);	return blkid_get_devname(blkid, device, NULL);
782	}	}
783
784		static char * getuuidbydev(char *device) {
785		if (!blkid)
786		blkid_get_cache(&blkid, NULL);
787
788		return blkid_get_tag_value(blkid, "UUID", device);
789		}
790
791	static enum lineType_e getTypeByKeyword(char * keyword,	static enum lineType_e getTypeByKeyword(char * keyword,
792	struct configFileInfo * cfi) {	struct configFileInfo * cfi) {
793	struct keywordTypes * kw;	for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) {
794	for (kw = cfi->keywords; kw->key; kw++) {	if (cfi->caseInsensitive) {
795	if (!strcmp(keyword, kw->key))	if (!strcasecmp(keyword, kw->key))
796	return kw->type;	return kw->type;
797		} else {
798		if (!strcmp(keyword, kw->key))
799		return kw->type;
800		}
801	}	}
802	return LT_UNKNOWN;	return LT_UNKNOWN;
803	}	}
#	Line 477  static int isBracketedTitle(struct singl	Line 827  static int isBracketedTitle(struct singl
827	return 0;	return 0;
828	}	}
829
830	static int isEntrySeparator(struct singleLine * line,	static int isEntryStart(struct singleLine * line,
831	struct configFileInfo * cfi) {	struct configFileInfo * cfi) {
832	return line->type == cfi->entrySeparator || line->type == LT_OTHER ||	return line->type == cfi->entryStart || line->type == LT_OTHER ||
833	(cfi->titleBracketed && isBracketedTitle(line));	(cfi->titleBracketed && isBracketedTitle(line));
834	}	}
835
836	/* extract the title from within brackets (for zipl) */	/* extract the title from within brackets (for zipl) */
837	static char * extractTitle(struct singleLine * line) {	static char * extractTitle(struct grubConfig *cfg, struct singleLine * line) {
838	/* bracketed title... let's extract it (leaks a byte) */	/* bracketed title... let's extract it */
839	char * title;	char * title = NULL;
840	title = strdup(line->elements[0].item);	if (line->type == LT_TITLE) {
841	title++;	char *tmp = line->elements[cfg->cfi->titlePosition].item;
842	*(title + strlen(title) - 1) = '\0';	if (cfg->cfi->titleBracketed) {
843		tmp++;
844		title = strdup(tmp);
845		*(title + strlen(title) - 1) = '\0';
846		} else {
847		title = strdup(tmp);
848		}
849		} else if (line->type == LT_MENUENTRY)
850		title = strdup(line->elements[1].item);
851		else
852		return NULL;
853	return title;	return title;
854	}	}
855
#	Line 532  static void lineInit(struct singleLine *	Line 892  static void lineInit(struct singleLine *
892	}	}
893
894	struct singleLine * lineDup(struct singleLine * line) {	struct singleLine * lineDup(struct singleLine * line) {
	int i;
895	struct singleLine * newLine = malloc(sizeof(*newLine));	struct singleLine * newLine = malloc(sizeof(*newLine));
896
897	newLine->indent = strdup(line->indent);	newLine->indent = strdup(line->indent);
#	Line 542  struct singleLine * lineDup(struct singl	Line 901  struct singleLine * lineDup(struct singl
901	newLine->elements = malloc(sizeof(*newLine->elements) *	newLine->elements = malloc(sizeof(*newLine->elements) *
902	newLine->numElements);	newLine->numElements);
903
904	for (i = 0; i < newLine->numElements; i++) {	for (int i = 0; i < newLine->numElements; i++) {
905	newLine->elements[i].indent = strdup(line->elements[i].indent);	newLine->elements[i].indent = strdup(line->elements[i].indent);
906	newLine->elements[i].item = strdup(line->elements[i].item);	newLine->elements[i].item = strdup(line->elements[i].item);
907	}	}
#	Line 551  struct singleLine * lineDup(struct singl	Line 910  struct singleLine * lineDup(struct singl
910	}	}
911
912	static void lineFree(struct singleLine * line) {	static void lineFree(struct singleLine * line) {
	int i;
913	if (line->indent) free(line->indent);	if (line->indent) free(line->indent);
914
915	for (i = 0; i < line->numElements; i++) {	for (int i = 0; i < line->numElements; i++) {
916	free(line->elements[i].item);	free(line->elements[i].item);
917	free(line->elements[i].indent);	free(line->elements[i].indent);
918	}	}
#	Line 566  static void lineFree(struct singleLine *	Line 923  static void lineFree(struct singleLine *
923
924	static int lineWrite(FILE * out, struct singleLine * line,	static int lineWrite(FILE * out, struct singleLine * line,
925	struct configFileInfo * cfi) {	struct configFileInfo * cfi) {
	int i;
926	if (fprintf(out, "%s", line->indent) == -1) return -1;	if (fprintf(out, "%s", line->indent) == -1) return -1;
927
928	for (i = 0; i < line->numElements; i++) {	for (int i = 0; i < line->numElements; i++) {
929		/* Need to handle this, because we strip the quotes from
930		* menuentry when read it. */
931		if (line->type == LT_MENUENTRY && i == 1) {
932		if(!isquote(*line->elements[i].item))
933		fprintf(out, "\'%s\'", line->elements[i].item);
934		else
935		fprintf(out, "%s", line->elements[i].item);
936		fprintf(out, "%s", line->elements[i].indent);
937
938		continue;
939		}
940
941	if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes)	if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes)
942	if (fputc('"', out) == EOF) return -1;	if (fputc('"', out) == EOF) return -1;
943
#	Line 664  static int getNextLine(char ** bufPtr, s	Line 1031  static int getNextLine(char ** bufPtr, s
1031	if (*line->elements[0].item == '#') {	if (*line->elements[0].item == '#') {
1032	char * fullLine;	char * fullLine;
1033	int len;	int len;
	int i;
1034
1035	len = strlen(line->indent);	len = strlen(line->indent);
1036	for (i = 0; i < line->numElements; i++)	for (int i = 0; i < line->numElements; i++)
1037	len += strlen(line->elements[i].item) +	len += strlen(line->elements[i].item) +
1038	strlen(line->elements[i].indent);	strlen(line->elements[i].indent);
1039
#	Line 676  static int getNextLine(char ** bufPtr, s	Line 1042  static int getNextLine(char ** bufPtr, s
1042	free(line->indent);	free(line->indent);
1043	line->indent = fullLine;	line->indent = fullLine;
1044
1045	for (i = 0; i < line->numElements; i++) {	for (int i = 0; i < line->numElements; i++) {
1046	strcat(fullLine, line->elements[i].item);	strcat(fullLine, line->elements[i].item);
1047	strcat(fullLine, line->elements[i].indent);	strcat(fullLine, line->elements[i].indent);
1048	free(line->elements[i].item);	free(line->elements[i].item);
#	Line 695  static int getNextLine(char ** bufPtr, s	Line 1061  static int getNextLine(char ** bufPtr, s
1061	* elements up more	* elements up more
1062	*/	*/
1063	if (!isspace(kw->separatorChar)) {	if (!isspace(kw->separatorChar)) {
	int i;
1064	char indent[2] = "";	char indent[2] = "";
1065	indent[0] = kw->separatorChar;	indent[0] = kw->separatorChar;
1066	for (i = 1; i < line->numElements; i++) {	for (int i = 1; i < line->numElements; i++) {
1067	char *p;	char *p;
	int j;
1068	int numNewElements;	int numNewElements;
1069
1070	numNewElements = 0;	numNewElements = 0;
#	Line 716  static int getNextLine(char ** bufPtr, s	Line 1080  static int getNextLine(char ** bufPtr, s
1080	sizeof(*line->elements) * elementsAlloced);	sizeof(*line->elements) * elementsAlloced);
1081	}	}
1082
1083	for (j = line->numElements; j > i; j--) {	for (int j = line->numElements; j > i; j--) {
1084	line->elements[j + numNewElements] = line->elements[j];	line->elements[j + numNewElements] = line->elements[j];
1085	}	}
1086	line->numElements += numNewElements;	line->numElements += numNewElements;
#	Line 729  static int getNextLine(char ** bufPtr, s	Line 1093  static int getNextLine(char ** bufPtr, s
1093	break;	break;
1094	}	}
1095
1096	free(line->elements[i].indent);	line->elements[i + 1].indent = line->elements[i].indent;
1097	line->elements[i].indent = strdup(indent);	line->elements[i].indent = strdup(indent);
1098	*p++ = '\0';	*p++ = '\0';
1099	i++;	i++;
1100	line->elements[i].item = strdup(p);	line->elements[i].item = strdup(p);
	line->elements[i].indent = strdup("");
	p = line->elements[i].item;
1101	}	}
1102	}	}
1103	}	}
#	Line 745  static int getNextLine(char ** bufPtr, s	Line 1107  static int getNextLine(char ** bufPtr, s
1107	return 0;	return 0;
1108	}	}
1109
1110		static int isnumber(const char *s)
1111		{
1112		int i;
1113		for (i = 0; s[i] != '\0'; i++)
1114		if (s[i] < '0' || s[i] > '9')
1115		return 0;
1116		return i;
1117		}
1118
1119	static struct grubConfig * readConfig(const char * inName,	static struct grubConfig * readConfig(const char * inName,
1120	struct configFileInfo * cfi) {	struct configFileInfo * cfi) {
1121	int in;	int in;
#	Line 756  static struct grubConfig * readConfig(co	Line 1127  static struct grubConfig * readConfig(co
1127	struct singleLine * last = NULL, * line, * defaultLine = NULL;	struct singleLine * last = NULL, * line, * defaultLine = NULL;
1128	char * end;	char * end;
1129	struct singleEntry * entry = NULL;	struct singleEntry * entry = NULL;
1130	int i, len;	int len;
1131	char * buf;	char * buf;
1132
1133	if (!strcmp(inName, "-")) {	if (inName == NULL) {
1134		printf("Could not find bootloader configuration\n");
1135		exit(1);
1136		} else if (!strcmp(inName, "-")) {
1137	in = 0;	in = 0;
1138	} else {	} else {
1139	if ((in = open(inName, O_RDONLY)) < 0) {	if ((in = open(inName, O_RDONLY)) < 0) {
#	Line 802  static struct grubConfig * readConfig(co	Line 1176  static struct grubConfig * readConfig(co
1176	cfg->secondaryIndent = strdup(line->indent);	cfg->secondaryIndent = strdup(line->indent);
1177	}	}
1178
1179	if (isEntrySeparator(line, cfi)) {	if (isEntryStart(line, cfi) || (cfg->entries && !sawEntry)) {
1180	sawEntry = 1;	sawEntry = 1;
1181	if (!entry) {	if (!entry) {
1182	cfg->entries = malloc(sizeof(*entry));	cfg->entries = malloc(sizeof(*entry));
#	Line 818  static struct grubConfig * readConfig(co	Line 1192  static struct grubConfig * readConfig(co
1192	entry->next = NULL;	entry->next = NULL;
1193	}	}
1194
1195	if (line->type == LT_DEFAULT && line->numElements == 2) {	if (line->type == LT_SET_VARIABLE) {
1196	cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;	dbgPrintf("found 'set' command (%d elements): ", line->numElements);
1197	defaultLine = line;	dbgPrintf("%s", line->indent);
1198		for (int i = 0; i < line->numElements; i++)
1199		dbgPrintf("\"%s\"%s", line->elements[i].item, line->elements[i].indent);
1200		dbgPrintf("\n");
1201		struct keywordTypes *kwType = getKeywordByType(LT_DEFAULT, cfi);
1202		if (kwType && line->numElements == 3 &&
1203		!strcmp(line->elements[1].item, kwType->key) &&
1204		!is_special_grub2_variable(line->elements[2].item)) {
1205		dbgPrintf("Line sets default config\n");
1206		cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;
1207		defaultLine = line;
1208		}
1209
1210	} else if (line->type == LT_KERNEL) {	} else if (iskernel(line->type)) {
1211	/* if by some freak chance this is multiboot and the "module"	/* if by some freak chance this is multiboot and the "module"
1212	* lines came earlier in the template, make sure to use LT_HYPER	* lines came earlier in the template, make sure to use LT_HYPER
1213	* instead of LT_KERNEL now	* instead of LT_KERNEL now
1214	*/	*/
1215	if (entry->multiboot)	if (entry && entry->multiboot)
1216	line->type = LT_HYPER;	line->type = LT_HYPER;
1217
1218	} else if (line->type == LT_MBMODULE) {	} else if (line->type == LT_MBMODULE) {
#	Line 836  static struct grubConfig * readConfig(co	Line 1221  static struct grubConfig * readConfig(co
1221	* This only applies to grub, but that's the only place we	* This only applies to grub, but that's the only place we
1222	* should find LT_MBMODULE lines anyway.	* should find LT_MBMODULE lines anyway.
1223	*/	*/
1224	struct singleLine * l;	for (struct singleLine *l = entry->lines; l; l = l->next) {
	for (l = entry->lines; l; l = l->next) {
1225	if (l->type == LT_HYPER)	if (l->type == LT_HYPER)
1226	break;	break;
1227	else if (l->type == LT_KERNEL) {	else if (iskernel(l->type)) {
1228	l->type = LT_HYPER;	l->type = LT_HYPER;
1229	break;	break;
1230	}	}
#	Line 854  static struct grubConfig * readConfig(co	Line 1238  static struct grubConfig * readConfig(co
1238	cfg->fallbackImage = strtol(line->elements[1].item, &end, 10);	cfg->fallbackImage = strtol(line->elements[1].item, &end, 10);
1239	if (*end) cfg->fallbackImage = -1;	if (*end) cfg->fallbackImage = -1;
1240
1241	} else if (line->type == LT_TITLE && line->numElements > 1) {	} else if ((line->type == LT_DEFAULT && cfi->defaultIsUnquoted) ||
1242	/* make the title a single argument (undoing our parsing) */	(line->type == LT_TITLE && line->numElements > 1)) {
1243		/* make the title/default a single argument (undoing our parsing) */
1244	len = 0;	len = 0;
1245	for (i = 1; i < line->numElements; i++) {	for (int i = 1; i < line->numElements; i++) {
1246	len += strlen(line->elements[i].item);	len += strlen(line->elements[i].item);
1247	len += strlen(line->elements[i].indent);	len += strlen(line->elements[i].indent);
1248	}	}
1249	buf = malloc(len + 1);	buf = malloc(len + 1);
1250	*buf = '\0';	*buf = '\0';
1251
1252	for (i = 1; i < line->numElements; i++) {	for (int i = 1; i < line->numElements; i++) {
1253	strcat(buf, line->elements[i].item);	strcat(buf, line->elements[i].item);
1254	free(line->elements[i].item);	free(line->elements[i].item);
1255
#	Line 878  static struct grubConfig * readConfig(co	Line 1263  static struct grubConfig * readConfig(co
1263	line->elements[line->numElements - 1].indent;	line->elements[line->numElements - 1].indent;
1264	line->elements[1].item = buf;	line->elements[1].item = buf;
1265	line->numElements = 2;	line->numElements = 2;
1266		} else if (line->type == LT_MENUENTRY && line->numElements > 3) {
1267		/* let --remove-kernel="TITLE=what" work */
1268		len = 0;
1269		char *extras;
1270		char *title;
1271
1272		for (int i = 1; i < line->numElements; i++) {
1273		len += strlen(line->elements[i].item);
1274		len += strlen(line->elements[i].indent);
1275		}
1276		buf = malloc(len + 1);
1277		*buf = '\0';
1278
1279		/* allocate mem for extra flags. */
1280		extras = malloc(len + 1);
1281		*extras = '\0';
1282
1283		/* get title. */
1284		for (int i = 0; i < line->numElements; i++) {
1285		if (!strcmp(line->elements[i].item, "menuentry"))
1286		continue;
1287		if (isquote(*line->elements[i].item))
1288		title = line->elements[i].item + 1;
1289		else
1290		title = line->elements[i].item;
1291
1292		len = strlen(title);
1293		if (isquote(title[len-1])) {
1294		strncat(buf, title,len-1);
1295		break;
1296		} else {
1297		strcat(buf, title);
1298		strcat(buf, line->elements[i].indent);
1299		}
1300		}
1301
1302		/* get extras */
1303		int count = 0;
1304		for (int i = 0; i < line->numElements; i++) {
1305		if (count >= 2) {
1306		strcat(extras, line->elements[i].item);
1307		strcat(extras, line->elements[i].indent);
1308		}
1309
1310		if (!strcmp(line->elements[i].item, "menuentry"))
1311		continue;
1312
1313		/* count ' or ", there should be two in menuentry line. */
1314		if (isquote(*line->elements[i].item))
1315		count++;
1316
1317		len = strlen(line->elements[i].item);
1318
1319		if (isquote(line->elements[i].item[len -1]))
1320		count++;
1321
1322		/* ok, we get the final ' or ", others are extras. */
1323		}
1324		line->elements[1].indent =
1325		line->elements[line->numElements - 2].indent;
1326		line->elements[1].item = buf;
1327		line->elements[2].indent =
1328		line->elements[line->numElements - 2].indent;
1329		line->elements[2].item = extras;
1330		line->numElements = 3;
1331	} else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) {	} else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) {
1332	/* Strip off any " which may be present; they'll be put back	/* Strip off any " which may be present; they'll be put back
1333	on write. This is one of the few (the only?) places that grubby	on write. This is one of the few (the only?) places that grubby
#	Line 887  static struct grubConfig * readConfig(co	Line 1336  static struct grubConfig * readConfig(co
1336	if (line->numElements >= 2) {	if (line->numElements >= 2) {
1337	int last, len;	int last, len;
1338
1339	if (*line->elements[1].item == '"')	if (isquote(*line->elements[1].item))
1340	memmove(line->elements[1].item, line->elements[1].item + 1,	memmove(line->elements[1].item, line->elements[1].item + 1,
1341	strlen(line->elements[1].item + 1) + 1);	strlen(line->elements[1].item + 1) + 1);
1342
1343	last = line->numElements - 1;	last = line->numElements - 1;
1344	len = strlen(line->elements[last].item) - 1;	len = strlen(line->elements[last].item) - 1;
1345	if (line->elements[last].item[len] == '"')	if (isquote(line->elements[last].item[len]))
1346	line->elements[last].item[len] = '\0';	line->elements[last].item[len] = '\0';
1347	}	}
1348	}	}
1349
1350		if (line->type == LT_DEFAULT && line->numElements == 2) {
1351		cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;
1352		defaultLine = line;
1353		}
1354
1355	/* If we find a generic config option which should live at the	/* If we find a generic config option which should live at the
1356	top of the file, move it there. Old versions of grubby were	top of the file, move it there. Old versions of grubby were
1357	probably responsible for putting new images in the wrong	probably responsible for putting new images in the wrong
#	Line 931  static struct grubConfig * readConfig(co	Line 1385  static struct grubConfig * readConfig(co
1385	entry->lines = line;	entry->lines = line;
1386	else	else
1387	last->next = line;	last->next = line;
1388	dbgPrintf("readConfig added %d to %p\n", line->type, entry);	dbgPrintf("readConfig added %s to %p\n", getKeyByType(line->type, cfi), entry);
1389
1390		/* we could have seen this outside of an entry... if so, we
1391		* ignore it like any other line we don't grok */
1392		if (line->type == LT_ENTRY_END && sawEntry)
1393		sawEntry = 0;
1394	} else {	} else {
1395	if (!cfg->theLines)	if (!cfg->theLines)
1396	cfg->theLines = line;	cfg->theLines = line;
1397	else	else
1398	last->next = line;	last->next = line;
1399	dbgPrintf("readConfig added %d to cfg\n", line->type);	dbgPrintf("readConfig added %s to cfg\n", getKeyByType(line->type, cfi));
1400	}	}
1401
1402	last = line;	last = line;
#	Line 945  static struct grubConfig * readConfig(co	Line 1404  static struct grubConfig * readConfig(co
1404
1405	free(incoming);	free(incoming);
1406
1407		dbgPrintf("defaultLine is %s\n", defaultLine ? "set" : "unset");
1408	if (defaultLine) {	if (defaultLine) {
1409	if (cfi->defaultSupportSaved &&	if (defaultLine->numElements > 2 &&
1410		cfi->defaultSupportSaved &&
1411		!strncmp(defaultLine->elements[2].item,"\"${saved_entry}\"", 16)) {
1412		cfg->cfi->defaultIsSaved = 1;
1413		cfg->defaultImage = DEFAULT_SAVED_GRUB2;
1414		if (cfg->cfi->getEnv) {
1415		char *defTitle = cfi->getEnv(cfg->cfi, "saved_entry");
1416		if (defTitle) {
1417		int index = 0;
1418		if (isnumber(defTitle)) {
1419		index = atoi(defTitle);
1420		entry = findEntryByIndex(cfg, index);
1421		} else {
1422		entry = findEntryByTitle(cfg, defTitle, &index);
1423		}
1424		if (entry)
1425		cfg->defaultImage = index;
1426		}
1427		}
1428		} else if (cfi->defaultIsVariable) {
1429		char *value = defaultLine->elements[2].item;
1430		while (*value && (*value == '"' || *value == '\'' ||
1431		*value == ' ' || *value == '\t'))
1432		value++;
1433		cfg->defaultImage = strtol(value, &end, 10);
1434		while (*end && (*end == '"' || *end == '\'' ||
1435		*end == ' ' || *end == '\t'))
1436		end++;
1437		if (*end) cfg->defaultImage = -1;
1438		} else if (cfi->defaultSupportSaved &&
1439	!strncmp(defaultLine->elements[1].item, "saved", 5)) {	!strncmp(defaultLine->elements[1].item, "saved", 5)) {
1440	cfg->defaultImage = DEFAULT_SAVED;	cfg->defaultImage = DEFAULT_SAVED;
1441	} else if (cfi->defaultIsIndex) {	} else if (cfi->defaultIsIndex) {
1442	cfg->defaultImage = strtol(defaultLine->elements[1].item, &end, 10);	cfg->defaultImage = strtol(defaultLine->elements[1].item, &end, 10);
1443	if (*end) cfg->defaultImage = -1;	if (*end) cfg->defaultImage = -1;
1444	} else if (defaultLine->numElements >= 2) {	} else if (defaultLine->numElements >= 2) {
1445	i = 0;	int i = 0;
1446	while ((entry = findEntryByIndex(cfg, i))) {	while ((entry = findEntryByIndex(cfg, i))) {
1447	for (line = entry->lines; line; line = line->next)	for (line = entry->lines; line; line = line->next)
1448	if (line->type == LT_TITLE) break;	if (line->type == LT_TITLE) break;
#	Line 964  static struct grubConfig * readConfig(co	Line 1453  static struct grubConfig * readConfig(co
1453	line->elements[1].item)) break;	line->elements[1].item)) break;
1454	} else if (line) {	} else if (line) {
1455	if (!strcmp(defaultLine->elements[1].item,	if (!strcmp(defaultLine->elements[1].item,
1456	extractTitle(line))) break;	extractTitle(cfg, line))) break;
1457	}	}
1458	i++;	i++;
1459	entry = NULL;	entry = NULL;
#	Line 976  static struct grubConfig * readConfig(co	Line 1465  static struct grubConfig * readConfig(co
1465	cfg->defaultImage = -1;	cfg->defaultImage = -1;
1466	}	}
1467	}	}
1468		} else if (cfg->cfi->defaultIsSaved && cfg->cfi->getEnv) {
1469		char *defTitle = cfi->getEnv(cfg->cfi, "saved_entry");
1470		if (defTitle) {
1471		int index = 0;
1472		if (isnumber(defTitle)) {
1473		index = atoi(defTitle);
1474		entry = findEntryByIndex(cfg, index);
1475		} else {
1476		entry = findEntryByTitle(cfg, defTitle, &index);
1477		}
1478		if (entry)
1479		cfg->defaultImage = index;
1480		}
1481	} else {	} else {
1482	cfg->defaultImage = 0;	cfg->defaultImage = 0;
1483	}	}
#	Line 993  static void writeDefault(FILE * out, cha	Line 1495  static void writeDefault(FILE * out, cha
1495
1496	if (cfg->defaultImage == DEFAULT_SAVED)	if (cfg->defaultImage == DEFAULT_SAVED)
1497	fprintf(out, "%sdefault%ssaved\n", indent, separator);	fprintf(out, "%sdefault%ssaved\n", indent, separator);
1498	else if (cfg->defaultImage > -1) {	else if (cfg->cfi->defaultIsSaved) {
1499		fprintf(out, "%sset default=\"${saved_entry}\"\n", indent);
1500		if (cfg->defaultImage >= 0 && cfg->cfi->setEnv) {
1501		char *title;
1502		entry = findEntryByIndex(cfg, cfg->defaultImage);
1503		line = getLineByType(LT_MENUENTRY, entry->lines);
1504		if (!line)
1505		line = getLineByType(LT_TITLE, entry->lines);
1506		if (line) {
1507		title = extractTitle(cfg, line);
1508		if (title)
1509		cfg->cfi->setEnv(cfg->cfi, "saved_entry", title);
1510		}
1511		}
1512		} else if (cfg->defaultImage > -1) {
1513	if (cfg->cfi->defaultIsIndex) {	if (cfg->cfi->defaultIsIndex) {
1514	fprintf(out, "%sdefault%s%d\n", indent, separator,	if (cfg->cfi->defaultIsVariable) {
1515	cfg->defaultImage);	fprintf(out, "%sset default=\"%d\"\n", indent,
1516		cfg->defaultImage);
1517		} else {
1518		fprintf(out, "%sdefault%s%d\n", indent, separator,
1519		cfg->defaultImage);
1520		}
1521	} else {	} else {
1522	int image = cfg->defaultImage;	int image = cfg->defaultImage;
1523
#	Line 1021  static void writeDefault(FILE * out, cha	Line 1542  static void writeDefault(FILE * out, cha
1542	else if (line && (line->numElements == 1) &&	else if (line && (line->numElements == 1) &&
1543	cfg->cfi->titleBracketed) {	cfg->cfi->titleBracketed) {
1544	fprintf(out, "%sdefault%s%s\n", indent, separator,	fprintf(out, "%sdefault%s%s\n", indent, separator,
1545	extractTitle(line));	extractTitle(cfg, line));
1546	}	}
1547	}	}
1548	}	}
#	Line 1048  static int writeConfig(struct grubConfig	Line 1569  static int writeConfig(struct grubConfig
1569
1570	/* most likely the symlink is relative, so change our	/* most likely the symlink is relative, so change our
1571	directory to the dir of the symlink */	directory to the dir of the symlink */
1572	rc = chdir(dirname(strdupa(outName)));	char *dir = strdupa(outName);
1573		rc = chdir(dirname(dir));
1574	do {	do {
1575	buf = alloca(len + 1);	buf = alloca(len + 1);
1576	rc = readlink(basename(outName), buf, len);	rc = readlink(basename(outName), buf, len);
#	Line 1086  static int writeConfig(struct grubConfig	Line 1608  static int writeConfig(struct grubConfig
1608	}	}
1609
1610	line = cfg->theLines;	line = cfg->theLines;
1611		struct keywordTypes *defaultKw = getKeywordByType(LT_DEFAULT, cfg->cfi);
1612	while (line) {	while (line) {
1613	if (line->type == LT_DEFAULT) {	if (line->type == LT_SET_VARIABLE && defaultKw &&
1614		line->numElements == 3 &&
1615		!strcmp(line->elements[1].item, defaultKw->key) &&
1616		!is_special_grub2_variable(line->elements[2].item)) {
1617		writeDefault(out, line->indent, line->elements[0].indent, cfg);
1618		needs &= ~MAIN_DEFAULT;
1619		} else if (line->type == LT_DEFAULT) {
1620	writeDefault(out, line->indent, line->elements[0].indent, cfg);	writeDefault(out, line->indent, line->elements[0].indent, cfg);
1621	needs &= ~MAIN_DEFAULT;	needs &= ~MAIN_DEFAULT;
1622	} else if (line->type == LT_FALLBACK) {	} else if (line->type == LT_FALLBACK) {
#	Line 1155  static int numEntries(struct grubConfig	Line 1684  static int numEntries(struct grubConfig
1684	return i;	return i;
1685	}	}
1686
1687		static char *findDiskForRoot()
1688		{
1689		int fd;
1690		char buf[65536];
1691		char *devname;
1692		char *chptr;
1693		int rc;
1694
1695		if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) {
1696		fprintf(stderr, "grubby: failed to open %s: %s\n",
1697		_PATH_MOUNTED, strerror(errno));
1698		return NULL;
1699		}
1700
1701		rc = read(fd, buf, sizeof(buf) - 1);
1702		if (rc <= 0) {
1703		fprintf(stderr, "grubby: failed to read %s: %s\n",
1704		_PATH_MOUNTED, strerror(errno));
1705		close(fd);
1706		return NULL;
1707		}
1708		close(fd);
1709		buf[rc] = '\0';
1710		chptr = buf;
1711
1712		char *foundanswer = NULL;
1713
1714		while (chptr && chptr != buf+rc) {
1715		devname = chptr;
1716
1717		/*
1718		* The first column of a mtab entry is the device, but if the entry is a
1719		* special device it won't start with /, so move on to the next line.
1720		*/
1721		if (*devname != '/') {
1722		chptr = strchr(chptr, '\n');
1723		if (chptr)
1724		chptr++;
1725		continue;
1726		}
1727
1728		/* Seek to the next space */
1729		chptr = strchr(chptr, ' ');
1730		if (!chptr) {
1731		fprintf(stderr, "grubby: error parsing %s: %s\n",
1732		_PATH_MOUNTED, strerror(errno));
1733		return NULL;
1734		}
1735
1736		/*
1737		* The second column of a mtab entry is the mount point, we are looking
1738		* for '/' obviously.
1739		*/
1740		if (*(++chptr) == '/' && *(++chptr) == ' ') {
1741		/* remember the last / entry in mtab */
1742		foundanswer = devname;
1743		}
1744
1745		/* Next line */
1746		chptr = strchr(chptr, '\n');
1747		if (chptr)
1748		chptr++;
1749		}
1750
1751		/* Return the last / entry found */
1752		if (foundanswer) {
1753		chptr = strchr(foundanswer, ' ');
1754		*chptr = '\0';
1755		return strdup(foundanswer);
1756		}
1757
1758		return NULL;
1759		}
1760
1761		void printEntry(struct singleEntry * entry, FILE *f) {
1762		int i;
1763		struct singleLine * line;
1764
1765		for (line = entry->lines; line; line = line->next) {
1766		log_message(f, "DBG: %s", line->indent);
1767		for (i = 0; i < line->numElements; i++) {
1768		/* Need to handle this, because we strip the quotes from
1769		* menuentry when read it. */
1770		if (line->type == LT_MENUENTRY && i == 1) {
1771		if(!isquote(*line->elements[i].item))
1772		log_message(f, "\'%s\'", line->elements[i].item);
1773		else
1774		log_message(f, "%s", line->elements[i].item);
1775		log_message(f, "%s", line->elements[i].indent);
1776
1777		continue;
1778		}
1779
1780		log_message(f, "%s%s",
1781		line->elements[i].item, line->elements[i].indent);
1782		}
1783		log_message(f, "\n");
1784		}
1785		}
1786
1787		void notSuitablePrintf(struct singleEntry * entry, int okay, const char *fmt, ...)
1788		{
1789		static int once;
1790		va_list argp, argq;
1791
1792		va_start(argp, fmt);
1793
1794		va_copy(argq, argp);
1795		if (!once) {
1796		log_time(NULL);
1797		log_message(NULL, "command line: %s\n", saved_command_line);
1798		}
1799		log_message(NULL, "DBG: Image entry %s: ", okay ? "succeeded" : "failed");
1800		log_vmessage(NULL, fmt, argq);
1801
1802		printEntry(entry, NULL);
1803		va_end(argq);
1804
1805		if (!debug) {
1806		once = 1;
1807		va_end(argp);
1808		return;
1809		}
1810
1811		if (okay) {
1812		va_end(argp);
1813		return;
1814		}
1815
1816		if (!once)
1817		log_message(stderr, "DBG: command line: %s\n", saved_command_line);
1818		once = 1;
1819		fprintf(stderr, "DBG: Image entry failed: ");
1820		vfprintf(stderr, fmt, argp);
1821		printEntry(entry, stderr);
1822		va_end(argp);
1823		}
1824
1825		#define beginswith(s, c) ((s) && (s)[0] == (c))
1826
1827		static int endswith(const char *s, char c)
1828		{
1829		int slen;
1830
1831		if (!s || !s[0])
1832		return 0;
1833		slen = strlen(s) - 1;
1834
1835		return s[slen] == c;
1836		}
1837
1838	int suitableImage(struct singleEntry * entry, const char * bootPrefix,	int suitableImage(struct singleEntry * entry, const char * bootPrefix,
1839	int skipRemoved, int flags) {	int skipRemoved, int flags) {
1840	struct singleLine * line;	struct singleLine * line;
1841	char * fullName;	char * fullName;
1842	int i;	int i;
	struct stat sb, sb2;
1843	char * dev;	char * dev;
1844	char * rootspec;	char * rootspec;
1845		char * rootdev;
1846
1847	if (skipRemoved && entry->skip) return 0;	if (skipRemoved && entry->skip) {
1848		notSuitablePrintf(entry, 0, "marked to skip\n");
1849		return 0;
1850		}
1851
1852	line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines);	line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);
1853	if (!line || line->numElements < 2) return 0;	if (!line) {
1854		notSuitablePrintf(entry, 0, "no line found\n");
1855		return 0;
1856		}
1857		if (line->numElements < 2) {
1858		notSuitablePrintf(entry, 0, "line has only %d elements\n",
1859		line->numElements);
1860		return 0;
1861		}
1862
1863	if (flags & GRUBBY_BADIMAGE_OKAY) return 1;	if (flags & GRUBBY_BADIMAGE_OKAY) {
1864		notSuitablePrintf(entry, 1, "\n");
1865		return 1;
1866		}
1867
1868	fullName = alloca(strlen(bootPrefix) +	fullName = alloca(strlen(bootPrefix) +
1869	strlen(line->elements[1].item) + 1);	strlen(line->elements[1].item) + 1);
1870	rootspec = getRootSpecifier(line->elements[1].item);	rootspec = getRootSpecifier(line->elements[1].item);
1871	sprintf(fullName, "%s%s", bootPrefix,	int rootspec_offset = rootspec ? strlen(rootspec) : 0;
1872	line->elements[1].item + (rootspec ? strlen(rootspec) : 0));	int hasslash = endswith(bootPrefix, '/') ||
1873	if (access(fullName, R_OK)) return 0;	beginswith(line->elements[1].item + rootspec_offset, '/');
1874		sprintf(fullName, "%s%s%s", bootPrefix, hasslash ? "" : "/",
1875		line->elements[1].item + rootspec_offset);
1876		if (access(fullName, R_OK)) {
1877		notSuitablePrintf(entry, 0, "access to %s failed\n", fullName);
1878		return 0;
1879		}
1880	for (i = 2; i < line->numElements; i++)	for (i = 2; i < line->numElements; i++)
1881	if (!strncasecmp(line->elements[i].item, "root=", 5)) break;	if (!strncasecmp(line->elements[i].item, "root=", 5)) break;
1882	if (i < line->numElements) {	if (i < line->numElements) {
#	Line 1195  int suitableImage(struct singleEntry * e	Line 1894  int suitableImage(struct singleEntry * e
1894	line = getLineByType(LT_KERNELARGS|LT_MBMODULE, entry->lines);	line = getLineByType(LT_KERNELARGS|LT_MBMODULE, entry->lines);
1895
1896	/* failed to find one */	/* failed to find one */
1897	if (!line) return 0;	if (!line) {
1898		notSuitablePrintf(entry, 0, "no line found\n");
1899		return 0;
1900		}
1901
1902	for (i = 1; i < line->numElements; i++)	for (i = 1; i < line->numElements; i++)
1903	if (!strncasecmp(line->elements[i].item, "root=", 5)) break;	if (!strncasecmp(line->elements[i].item, "root=", 5)) break;
1904	if (i < line->numElements)	if (i < line->numElements)
1905	dev = line->elements[i].item + 5;	dev = line->elements[i].item + 5;
1906	else {	else {
1907		notSuitablePrintf(entry, 0, "no root= entry found\n");
1908	/* it failed too...  can't find root= */	/* it failed too...  can't find root= */
1909	return 0;	return 0;
1910	}	}
#	Line 1209  int suitableImage(struct singleEntry * e	Line 1912  int suitableImage(struct singleEntry * e
1912	}	}
1913
1914	dev = getpathbyspec(dev);	dev = getpathbyspec(dev);
1915	if (!dev)	if (!getpathbyspec(dev)) {
1916		notSuitablePrintf(entry, 0, "can't find blkid entry for %s\n", dev);
1917	return 0;	return 0;
1918		} else
1919		dev = getpathbyspec(dev);
1920
1921	i = stat(dev, &sb);	rootdev = findDiskForRoot();
1922	if (i)	if (!rootdev) {
1923		notSuitablePrintf(entry, 0, "can't find root device\n");
1924	return 0;	return 0;
1925		}
1926
1927	stat("/", &sb2);	if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) {
1928		notSuitablePrintf(entry, 0, "uuid missing: rootdev %s, dev %s\n",
1929		getuuidbydev(rootdev), getuuidbydev(dev));
1930		free(rootdev);
1931		return 0;
1932		}
1933
1934	if (sb.st_rdev != sb2.st_dev)	if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) {
1935		notSuitablePrintf(entry, 0, "uuid mismatch: rootdev %s, dev %s\n",
1936		getuuidbydev(rootdev), getuuidbydev(dev));
1937		free(rootdev);
1938	return 0;	return 0;
1939		}
1940
1941		free(rootdev);
1942		notSuitablePrintf(entry, 1, "\n");
1943
1944	return 1;	return 1;
1945	}	}
#	Line 1253  struct singleEntry * findEntryByPath(str	Line 1973  struct singleEntry * findEntryByPath(str
1973	}	}
1974
1975	indexVars[i + 1] = -1;	indexVars[i + 1] = -1;
1976
1977	i = 0;	i = 0;
1978	if (index) {	if (index) {
1979	while (i < *index) i++;	while (i < *index) {
1980	if (indexVars[i] == -1) return NULL;	i++;
1981		if (indexVars[i] == -1) return NULL;
1982		}
1983	}	}
1984
1985	entry = findEntryByIndex(config, indexVars[i]);	entry = findEntryByIndex(config, indexVars[i]);
1986	if (!entry) return NULL;	if (!entry) return NULL;
1987
1988	line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines);	line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);
1989	if (!line) return NULL;	if (!line) return NULL;
1990
1991	if (index) *index = indexVars[i];	if (index) *index = indexVars[i];
#	Line 1301  struct singleEntry * findEntryByPath(str	Line 2023  struct singleEntry * findEntryByPath(str
2023
2024	if (!strncmp(kernel, "TITLE=", 6)) {	if (!strncmp(kernel, "TITLE=", 6)) {
2025	prefix = "";	prefix = "";
2026	checkType = LT_TITLE;	checkType = LT_TITLE|LT_MENUENTRY;
2027	kernel += 6;	kernel += 6;
2028	}	}
2029
#	Line 1312  struct singleEntry * findEntryByPath(str	Line 2034  struct singleEntry * findEntryByPath(str
2034
2035	/* check all the lines matching checkType */	/* check all the lines matching checkType */
2036	for (line = entry->lines; line; line = line->next) {	for (line = entry->lines; line; line = line->next) {
2037	line = getLineByType(entry->multiboot && checkType == LT_KERNEL ?	enum lineType_e ct = checkType;
2038	LT_KERNEL|LT_MBMODULE|LT_HYPER :	if (entry->multiboot && checkType == LT_KERNEL)
2039	checkType, line);	ct = LT_KERNEL|LT_KERNEL_EFI|LT_MBMODULE|LT_HYPER|LT_KERNEL_16;
2040	if (!line) break;  /* not found in this entry */	else if (checkType & LT_KERNEL)
2041		ct = checkType | LT_KERNEL_EFI | LT_KERNEL_16;
2042		line = getLineByType(ct, line);
2043		if (!line)
2044		break;  /* not found in this entry */
2045
2046	if (line && line->numElements >= 2) {	if (line && line->type != LT_MENUENTRY &&
2047		line->numElements >= 2) {
2048	rootspec = getRootSpecifier(line->elements[1].item);	rootspec = getRootSpecifier(line->elements[1].item);
2049	if (!strcmp(line->elements[1].item +	if (!strcmp(line->elements[1].item +
2050	((rootspec != NULL) ? strlen(rootspec) : 0),	((rootspec != NULL) ? strlen(rootspec) : 0),
2051	kernel + strlen(prefix)))	kernel + strlen(prefix)))
2052	break;	break;
2053	}	}
2054		if(line->type == LT_MENUENTRY &&
2055		!strcmp(line->elements[1].item, kernel))
2056		break;
2057	}	}
2058
2059	/* make sure this entry has a kernel identifier; this skips	/* make sure this entry has a kernel identifier; this skips
2060	* non-Linux boot entries (could find netbsd etc, though, which is	* non-Linux boot entries (could find netbsd etc, though, which is
2061	* unfortunate)	* unfortunate)
2062	*/	*/
2063	if (line && getLineByType(LT_KERNEL|LT_HYPER, entry->lines))	if (line && getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines))
2064	break; /* found 'im! */	break; /* found 'im! */
2065	}	}
2066
#	Line 1340  struct singleEntry * findEntryByPath(str	Line 2070  struct singleEntry * findEntryByPath(str
2070	return entry;	return entry;
2071	}	}
2072
2073		struct singleEntry * findEntryByTitle(struct grubConfig * cfg, char *title,
2074		int * index) {
2075		struct singleEntry * entry;
2076		struct singleLine * line;
2077		int i;
2078		char * newtitle;
2079
2080		for (i = 0, entry = cfg->entries; entry; entry = entry->next, i++) {
2081		if (index && i < *index)
2082		continue;
2083		line = getLineByType(LT_TITLE, entry->lines);
2084		if (!line)
2085		line = getLineByType(LT_MENUENTRY, entry->lines);
2086		if (!line)
2087		continue;
2088		newtitle = grub2ExtractTitle(line);
2089		if (!newtitle)
2090		continue;
2091		if (!strcmp(title, newtitle))
2092		break;
2093		}
2094
2095		if (!entry)
2096		return NULL;
2097
2098		if (index)
2099		*index = i;
2100		return entry;
2101		}
2102
2103	struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index) {	struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index) {
2104	struct singleEntry * entry;	struct singleEntry * entry;
2105
#	Line 1362  struct singleEntry * findTemplate(struct	Line 2122  struct singleEntry * findTemplate(struct
2122	struct singleEntry * entry, * entry2;	struct singleEntry * entry, * entry2;
2123	int index;	int index;
2124
2125	if (cfg->defaultImage > -1) {	if (cfg->cfi->defaultIsSaved) {
2126		if (cfg->cfi->getEnv) {
2127		char *defTitle = cfg->cfi->getEnv(cfg->cfi, "saved_entry");
2128		if (defTitle) {
2129		int index = 0;
2130		if (isnumber(defTitle)) {
2131		index = atoi(defTitle);
2132		entry = findEntryByIndex(cfg, index);
2133		} else {
2134		entry = findEntryByTitle(cfg, defTitle, &index);
2135		}
2136		if (entry && suitableImage(entry, prefix, skipRemoved, flags)) {
2137		cfg->defaultImage = index;
2138		if (indexPtr)
2139		*indexPtr = index;
2140		return entry;
2141		}
2142		}
2143		}
2144		} else if (cfg->defaultImage > -1) {
2145	entry = findEntryByIndex(cfg, cfg->defaultImage);	entry = findEntryByIndex(cfg, cfg->defaultImage);
2146	if (entry && suitableImage(entry, prefix, skipRemoved, flags)) {	if (entry && suitableImage(entry, prefix, skipRemoved, flags)) {
2147	if (indexPtr) *indexPtr = cfg->defaultImage;	if (indexPtr) *indexPtr = cfg->defaultImage;
#	Line 1415  void markRemovedImage(struct grubConfig	Line 2194  void markRemovedImage(struct grubConfig
2194	const char * prefix) {	const char * prefix) {
2195	struct singleEntry * entry;	struct singleEntry * entry;
2196
2197	if (!image) return;	if (!image)
2198		return;
2199
2200		/* check and see if we're removing the default image */
2201		if (isdigit(*image)) {
2202		entry = findEntryByPath(cfg, image, prefix, NULL);
2203		if(entry)
2204		entry->skip = 1;
2205		return;
2206		}
2207
2208	while ((entry = findEntryByPath(cfg, image, prefix, NULL)))	while ((entry = findEntryByPath(cfg, image, prefix, NULL)))
2209	entry->skip = 1;	entry->skip = 1;
#	Line 1423  void markRemovedImage(struct grubConfig	Line 2211  void markRemovedImage(struct grubConfig
2211
2212	void setDefaultImage(struct grubConfig * config, int hasNew,	void setDefaultImage(struct grubConfig * config, int hasNew,
2213	const char * defaultKernelPath, int newIsDefault,	const char * defaultKernelPath, int newIsDefault,
2214	const char * prefix, int flags) {	const char * prefix, int flags, int index) {
2215	struct singleEntry * entry, * entry2, * newDefault;	struct singleEntry * entry, * entry2, * newDefault;
2216	int i, j;	int i, j;
2217
2218	if (newIsDefault) {	if (newIsDefault) {
2219	config->defaultImage = 0;	config->defaultImage = 0;
2220	return;	return;
2221		} else if ((index >= 0) && config->cfi->defaultIsIndex) {
2222		if (findEntryByIndex(config, index))
2223		config->defaultImage = index;
2224		else
2225		config->defaultImage = -1;
2226		return;
2227	} else if (defaultKernelPath) {	} else if (defaultKernelPath) {
2228	i = 0;	i = 0;
2229	if (findEntryByPath(config, defaultKernelPath, prefix, &i)) {	if (findEntryByPath(config, defaultKernelPath, prefix, &i)) {
#	Line 1442  void setDefaultImage(struct grubConfig *	Line 2236  void setDefaultImage(struct grubConfig *
2236
2237	/* 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
2238	changes */	changes */
2239	if (config->defaultImage == DEFAULT_SAVED)	if ((config->defaultImage == DEFAULT_SAVED) ||
2240		(config->defaultImage == DEFAULT_SAVED_GRUB2))
2241	/* default is set to saved, we don't want to change it */	/* default is set to saved, we don't want to change it */
2242	return;	return;
2243
#	Line 1500  void displayEntry(struct singleEntry * e	Line 2295  void displayEntry(struct singleEntry * e
2295	struct singleLine * line;	struct singleLine * line;
2296	char * root = NULL;	char * root = NULL;
2297	int i;	int i;
2298		int j;
2299
2300		printf("index=%d\n", index);
2301
2302		line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);
2303		if (!line) {
2304		printf("non linux entry\n");
2305		return;
2306		}
2307
2308		if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))
2309		printf("kernel=%s\n", line->elements[1].item);
2310		else
2311		printf("kernel=%s%s\n", prefix, line->elements[1].item);
2312
2313		if (line->numElements >= 3) {
2314		printf("args=\"");
2315		i = 2;
2316		while (i < line->numElements) {
2317		if (!strncmp(line->elements[i].item, "root=", 5)) {
2318		root = line->elements[i].item + 5;
2319		} else {
2320		printf("%s%s", line->elements[i].item,
2321		line->elements[i].indent);
2322		}
2323
2324		i++;
2325		}
2326		printf("\"\n");
2327		} else {
2328		line = getLineByType(LT_KERNELARGS, entry->lines);
2329		if (line) {
2330		char * s;
2331
2332		printf("args=\"");
2333		i = 1;
2334		while (i < line->numElements) {
2335		if (!strncmp(line->elements[i].item, "root=", 5)) {
2336		root = line->elements[i].item + 5;
2337		} else {
2338		s = line->elements[i].item;
2339
2340		printf("%s%s", s, line->elements[i].indent);
2341		}
2342
2343		i++;
2344		}
2345
2346		s = line->elements[i - 1].indent;
2347		printf("\"\n");
2348		}
2349		}
2350
2351		if (!root) {
2352		line = getLineByType(LT_ROOT, entry->lines);
2353		if (line && line->numElements >= 2)
2354		root=line->elements[1].item;
2355		}
2356
2357		if (root) {
2358		char * s = alloca(strlen(root) + 1);
2359
2360		strcpy(s, root);
2361		if (s[strlen(s) - 1] == '"')
2362		s[strlen(s) - 1] = '\0';
2363		/* make sure the root doesn't have a trailing " */
2364		printf("root=%s\n", s);
2365		}
2366
2367		line = getLineByType(LT_INITRD|LT_INITRD_EFI|LT_INITRD_16, entry->lines);
2368
2369		if (line && line->numElements >= 2) {
2370		if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))
2371		printf("initrd=");
2372		else
2373		printf("initrd=%s", prefix);
2374
2375		for (i = 1; i < line->numElements; i++)
2376		printf("%s%s", line->elements[i].item, line->elements[i].indent);
2377		printf("\n");
2378		}
2379
2380		line = getLineByType(LT_TITLE, entry->lines);
2381		if (line) {
2382		printf("title=%s\n", line->elements[1].item);
2383		} else {
2384		char * title;
2385		line = getLineByType(LT_MENUENTRY, entry->lines);
2386		if (line) {
2387		title = grub2ExtractTitle(line);
2388		if (title)
2389		printf("title=%s\n", title);
2390		}
2391		}
2392
2393		for (j = 0, line = entry->lines; line; line = line->next) {
2394		if ((line->type & LT_MBMODULE) && line->numElements >= 2) {
2395		if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))
2396		printf("mbmodule%d=", j);
2397		else
2398		printf("mbmodule%d=%s", j, prefix);
2399
2400		for (i = 1; i < line->numElements; i++)
2401		printf("%s%s", line->elements[i].item, line->elements[i].indent);
2402		printf("\n");
2403		j++;
2404		}
2405		}
2406		}
2407
2408		int isSuseSystem(void) {
2409		const char * path;
2410		const static char default_path[] = "/etc/SuSE-release";
2411
2412		if ((path = getenv("GRUBBY_SUSE_RELEASE")) == NULL)
2413		path = default_path;
2414
2415		if (!access(path, R_OK))
2416		return 1;
2417		return 0;
2418		}
2419
2420		int isSuseGrubConf(const char * path) {
2421		FILE * grubConf;
2422		char * line = NULL;
2423		size_t len = 0, res = 0;
2424
2425		grubConf = fopen(path, "r");
2426		if (!grubConf) {
2427		dbgPrintf("Could not open SuSE configuration file '%s'\n", path);
2428		return 0;
2429		}
2430
2431		while ((res = getline(&line, &len, grubConf)) != -1) {
2432		if (!strncmp(line, "setup", 5)) {
2433		fclose(grubConf);
2434		free(line);
2435		return 1;
2436		}
2437		}
2438
2439		dbgPrintf("SuSE configuration file '%s' does not appear to be valid\n",
2440		path);
2441
2442		fclose(grubConf);
2443		free(line);
2444		return 0;
2445		}
2446
2447		int suseGrubConfGetLba(const char * path, int * lbaPtr) {
2448		FILE * grubConf;
2449		char * line = NULL;
2450		size_t res = 0, len = 0;
2451
2452		if (!path) return 1;
2453		if (!lbaPtr) return 1;
2454
2455		grubConf = fopen(path, "r");
2456		if (!grubConf) return 1;
2457
2458		while ((res = getline(&line, &len, grubConf)) != -1) {
2459		if (line[res - 1] == '\n')
2460		line[res - 1] = '\0';
2461		else if (len > res)
2462		line[res] = '\0';
2463		else {
2464		line = realloc(line, res + 1);
2465		line[res] = '\0';
2466		}
2467
2468		if (!strncmp(line, "setup", 5)) {
2469		if (strstr(line, "--force-lba")) {
2470		*lbaPtr = 1;
2471		} else {
2472		*lbaPtr = 0;
2473		}
2474		dbgPrintf("lba: %i\n", *lbaPtr);
2475		break;
2476		}
2477		}
2478
2479		free(line);
2480		fclose(grubConf);
2481		return 0;
2482		}
2483
2484		int suseGrubConfGetInstallDevice(const char * path, char ** devicePtr) {
2485		FILE * grubConf;
2486		char * line = NULL;
2487		size_t res = 0, len = 0;
2488		char * lastParamPtr = NULL;
2489		char * secLastParamPtr = NULL;
2490		char installDeviceNumber = '\0';
2491		char * bounds = NULL;
2492
2493		if (!path) return 1;
2494		if (!devicePtr) return 1;
2495
2496		grubConf = fopen(path, "r");
2497		if (!grubConf) return 1;
2498
2499		while ((res = getline(&line, &len, grubConf)) != -1) {
2500		if (strncmp(line, "setup", 5))
2501		continue;
2502
2503		if (line[res - 1] == '\n')
2504		line[res - 1] = '\0';
2505		else if (len > res)
2506		line[res] = '\0';
2507		else {
2508		line = realloc(line, res + 1);
2509		line[res] = '\0';
2510		}
2511
2512		lastParamPtr = bounds = line + res;
2513
2514		/* Last parameter in grub may be an optional IMAGE_DEVICE */
2515		while (!isspace(*lastParamPtr))
2516		lastParamPtr--;
2517		lastParamPtr++;
2518
2519		secLastParamPtr = lastParamPtr - 2;
2520		dbgPrintf("lastParamPtr: %s\n", lastParamPtr);
2521
2522		if (lastParamPtr + 3 > bounds) {
2523		dbgPrintf("lastParamPtr going over boundary");
2524		fclose(grubConf);
2525		free(line);
2526		return 1;
2527		}
2528		if (!strncmp(lastParamPtr, "(hd", 3))
2529		lastParamPtr += 3;
2530		dbgPrintf("lastParamPtr: %c\n", *lastParamPtr);
2531
2532		/*
2533		* Second last parameter will decide wether last parameter is
2534		* an IMAGE_DEVICE or INSTALL_DEVICE
2535		*/
2536		while (!isspace(*secLastParamPtr))
2537		secLastParamPtr--;
2538		secLastParamPtr++;
2539
2540		if (secLastParamPtr + 3 > bounds) {
2541		dbgPrintf("secLastParamPtr going over boundary");
2542		fclose(grubConf);
2543		free(line);
2544		return 1;
2545		}
2546		dbgPrintf("secLastParamPtr: %s\n", secLastParamPtr);
2547		if (!strncmp(secLastParamPtr, "(hd", 3)) {
2548		secLastParamPtr += 3;
2549		dbgPrintf("secLastParamPtr: %c\n", *secLastParamPtr);
2550		installDeviceNumber = *secLastParamPtr;
2551		} else {
2552		installDeviceNumber = *lastParamPtr;
2553		}
2554
2555		*devicePtr = malloc(6);
2556		snprintf(*devicePtr, 6, "(hd%c)", installDeviceNumber);
2557		dbgPrintf("installDeviceNumber: %c\n", installDeviceNumber);
2558		fclose(grubConf);
2559		free(line);
2560		return 0;
2561		}
2562
2563		free(line);
2564		fclose(grubConf);
2565		return 1;
2566		}
2567
2568		int grubGetBootFromDeviceMap(const char * device,
2569		char ** bootPtr) {
2570		FILE * deviceMap;
2571		char * line = NULL;
2572		size_t res = 0, len = 0;
2573		char * devicePtr;
2574		char * bounds = NULL;
2575		const char * path;
2576		const static char default_path[] = "/boot/grub/device.map";
2577
2578		if (!device) return 1;
2579		if (!bootPtr) return 1;
2580
2581		if ((path = getenv("GRUBBY_GRUB_DEVICE_MAP")) == NULL)
2582		path = default_path;
2583
2584		dbgPrintf("opening grub device.map file from: %s\n", path);
2585		deviceMap = fopen(path, "r");
2586		if (!deviceMap)
2587		return 1;
2588
2589		while ((res = getline(&line, &len, deviceMap)) != -1) {
2590		if (!strncmp(line, "#", 1))
2591		continue;
2592
2593	printf("index=%d\n", index);	if (line[res - 1] == '\n')
2594		line[res - 1] = '\0';
2595		else if (len > res)
2596		line[res] = '\0';
2597		else {
2598		line = realloc(line, res + 1);
2599		line[res] = '\0';
2600		}
2601
2602		devicePtr = line;
2603		bounds = line + res;
2604
2605		while ((isspace(*line) && ((devicePtr + 1) <= bounds)))
2606		devicePtr++;
2607		dbgPrintf("device: %s\n", devicePtr);
2608
2609		if (!strncmp(devicePtr, device, strlen(device))) {
2610		devicePtr += strlen(device);
2611		while (isspace(*devicePtr) && ((devicePtr + 1) <= bounds))
2612		devicePtr++;
2613
2614	line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines);	*bootPtr = strdup(devicePtr);
2615	if (!line) {	break;
2616	printf("non linux entry\n");	}
	return;
2617	}	}
2618
2619	printf("kernel=%s\n", line->elements[1].item);	free(line);
2620		fclose(deviceMap);
2621		return 0;
2622		}
2623
2624	if (line->numElements >= 3) {	int suseGrubConfGetBoot(const char * path, char ** bootPtr) {
2625	printf("args=\"");	char * grubDevice;
	i = 2;
	while (i < line->numElements) {
	if (!strncmp(line->elements[i].item, "root=", 5)) {
	root = line->elements[i].item + 5;
	} else {
	printf("%s%s", line->elements[i].item,
	line->elements[i].indent);
	}
2626
2627	i++;	if (suseGrubConfGetInstallDevice(path, &grubDevice))
2628	}	dbgPrintf("error looking for grub installation device\n");
2629	printf("\"\n");	else
2630	} else {	dbgPrintf("grubby installation device: %s\n", grubDevice);
	line = getLineByType(LT_KERNELARGS, entry->lines);
	if (line) {
	char * s;
2631
2632	printf("args=\"");	if (grubGetBootFromDeviceMap(grubDevice, bootPtr))
2633	i = 1;	dbgPrintf("error looking for grub boot device\n");
2634	while (i < line->numElements) {	else
2635	if (!strncmp(line->elements[i].item, "root=", 5)) {	dbgPrintf("grubby boot device: %s\n", *bootPtr);
	root = line->elements[i].item + 5;
	} else {
	s = line->elements[i].item;
2636
2637	printf("%s%s", s, line->elements[i].indent);	free(grubDevice);
2638	}	return 0;
2639		}
2640
2641	i++;	int parseSuseGrubConf(int * lbaPtr, char ** bootPtr) {
2642	}	/*
2643		* This SuSE grub configuration file at this location is not your average
2644		* grub configuration file, but instead the grub commands used to setup
2645		* grub on that system.
2646		*/
2647		const char * path;
2648		const static char default_path[] = "/etc/grub.conf";
2649
2650	s = line->elements[i - 1].indent;	if ((path = getenv("GRUBBY_SUSE_GRUB_CONF")) == NULL)
2651	printf("\"\n");	path = default_path;
	}
	}
2652
2653	if (!root) {	if (!isSuseGrubConf(path)) return 1;
	line = getLineByType(LT_ROOT, entry->lines);
	if (line && line->numElements >= 2)
	root=line->elements[1].item;
	}
2654
2655	if (root) {	if (lbaPtr) {
2656	char * s = alloca(strlen(root) + 1);	*lbaPtr = 0;
2657		if (suseGrubConfGetLba(path, lbaPtr))
2658	strcpy(s, root);	return 1;
	if (s[strlen(s) - 1] == '"')
	s[strlen(s) - 1] = '\0';
	/* make sure the root doesn't have a trailing " */
	printf("root=%s\n", s);
2659	}	}
2660
2661	line = getLineByType(LT_INITRD, entry->lines);	if (bootPtr) {
2662		*bootPtr = NULL;
2663	if (line && line->numElements >= 2) {	suseGrubConfGetBoot(path, bootPtr);
	printf("initrd=%s", prefix);
	for (i = 1; i < line->numElements; i++)
	printf("%s%s", line->elements[i].item, line->elements[i].indent);
	printf("\n");
2664	}	}
2665
2666		return 0;
2667	}	}
2668
2669	int parseSysconfigGrub(int * lbaPtr, char ** bootPtr) {	int parseSysconfigGrub(int * lbaPtr, char ** bootPtr) {
#	Line 1623  int parseSysconfigGrub(int * lbaPtr, cha	Line 2714  int parseSysconfigGrub(int * lbaPtr, cha
2714	}	}
2715
2716	void dumpSysconfigGrub(void) {	void dumpSysconfigGrub(void) {
2717	char * boot;	char * boot = NULL;
2718	int lba;	int lba;
2719
2720	if (!parseSysconfigGrub(&lba, &boot)) {	if (isSuseSystem()) {
2721	if (lba) printf("lba\n");	if (parseSuseGrubConf(&lba, &boot)) {
2722	if (boot) printf("boot=%s\n", boot);	free(boot);
2723		return;
2724		}
2725		} else {
2726		if (parseSysconfigGrub(&lba, &boot)) {
2727		free(boot);
2728		return;
2729		}
2730		}
2731
2732		if (lba) printf("lba\n");
2733		if (boot) {
2734		printf("boot=%s\n", boot);
2735		free(boot);
2736	}	}
2737	}	}
2738
#	Line 1677  struct singleLine * addLineTmpl(struct s	Line 2781  struct singleLine * addLineTmpl(struct s
2781	{	{
2782	struct singleLine * newLine = lineDup(tmplLine);	struct singleLine * newLine = lineDup(tmplLine);
2783
2784		if (isEfi && cfi == &grub2ConfigType) {
2785		enum lineType_e old = newLine->type;
2786		newLine->type = preferredLineType(newLine->type, cfi);
2787		if (old != newLine->type)
2788		newLine->elements[0].item = getKeyByType(newLine->type, cfi);
2789		}
2790
2791	if (val) {	if (val) {
2792	/* override the inherited value with our own.	/* override the inherited value with our own.
2793	* This is a little weak because it only applies to elements[1]	* This is a little weak because it only applies to elements[1]
#	Line 1686  struct singleLine * addLineTmpl(struct s	Line 2797  struct singleLine * addLineTmpl(struct s
2797	insertElement(newLine, val, 1, cfi);	insertElement(newLine, val, 1, cfi);
2798
2799	/* but try to keep the rootspec from the template... sigh */	/* but try to keep the rootspec from the template... sigh */
2800	if (tmplLine->type & (LT_HYPER|LT_KERNEL|LT_MBMODULE|LT_INITRD)) {	if (tmplLine->type & (LT_HYPER|LT_KERNEL|LT_MBMODULE|LT_INITRD|LT_KERNEL_EFI|LT_INITRD_EFI|LT_KERNEL_16|LT_INITRD_16)) {
2801	char * rootspec = getRootSpecifier(tmplLine->elements[1].item);	char * rootspec = getRootSpecifier(tmplLine->elements[1].item);
2802	if (rootspec != NULL) {	if (rootspec != NULL) {
2803	free(newLine->elements[1].item);	free(newLine->elements[1].item);
#	Line 1723  struct singleLine *  addLine(struct sing	Line 2834  struct singleLine *  addLine(struct sing
2834	/* NB: This function shouldn't allocate items on the heap, rather on the	/* NB: This function shouldn't allocate items on the heap, rather on the
2835	* stack since it calls addLineTmpl which will make copies.	* stack since it calls addLineTmpl which will make copies.
2836	*/	*/
2837	if (type == LT_TITLE && cfi->titleBracketed) {	if (type == LT_TITLE && cfi->titleBracketed) {
2838	/* we're doing a bracketed title (zipl) */	/* we're doing a bracketed title (zipl) */
2839	tmpl.type = type;	tmpl.type = type;
#	Line 1733  struct singleLine *  addLine(struct sing	Line 2843  struct singleLine *  addLine(struct sing
2843	sprintf(tmpl.elements[0].item, "[%s]", val);	sprintf(tmpl.elements[0].item, "[%s]", val);
2844	tmpl.elements[0].indent = "";	tmpl.elements[0].indent = "";
2845	val = NULL;	val = NULL;
2846		} else if (type == LT_MENUENTRY) {
2847		char *lineend = "--class gnu-linux --class gnu --class os {";
2848		if (!val) {
2849		fprintf(stderr, "Line type LT_MENUENTRY requires a value\n");
2850		abort();
2851		}
2852		kw = getKeywordByType(type, cfi);
2853		if (!kw) {
2854		fprintf(stderr, "Looking up keyword for unknown type %d\n", type);
2855		abort();
2856		}
2857		tmpl.indent = "";
2858		tmpl.type = type;
2859		tmpl.numElements = 3;
2860		tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements);
2861		tmpl.elements[0].item = kw->key;
2862		tmpl.elements[0].indent = alloca(2);
2863		sprintf(tmpl.elements[0].indent, "%c", kw->nextChar);
2864		tmpl.elements[1].item = (char *)val;
2865		tmpl.elements[1].indent = alloca(2);
2866		sprintf(tmpl.elements[1].indent, "%c", kw->nextChar);
2867		tmpl.elements[2].item = alloca(strlen(lineend)+1);
2868		strcpy(tmpl.elements[2].item, lineend);
2869		tmpl.elements[2].indent = "";
2870	} else {	} else {
2871	kw = getKeywordByType(type, cfi);	kw = getKeywordByType(type, cfi);
2872	if (!kw) abort();	if (!kw) {
2873		fprintf(stderr, "Looking up keyword for unknown type %d\n", type);
2874		abort();
2875		}
2876	tmpl.type = type;	tmpl.type = type;
2877	tmpl.numElements = val ? 2 : 1;	tmpl.numElements = val ? 2 : 1;
2878	tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements);	tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements);
#	Line 1759  struct singleLine *  addLine(struct sing	Line 2896  struct singleLine *  addLine(struct sing
2896	if (!line->next && !prev) prev = line;	if (!line->next && !prev) prev = line;
2897	}	}
2898
2899	if (prev == entry->lines)	struct singleLine *menuEntry;
2900	tmpl.indent = defaultIndent ?: "";	menuEntry = getLineByType(LT_MENUENTRY, entry->lines);
2901	else	if (tmpl.type == LT_ENTRY_END) {
2902	tmpl.indent = prev->indent;	if (menuEntry)
2903		tmpl.indent = menuEntry->indent;
2904		else
2905		tmpl.indent = defaultIndent ?: "";
2906		} else if (tmpl.type != LT_MENUENTRY) {
2907		if (menuEntry)
2908		tmpl.indent = "\t";
2909		else if (prev == entry->lines)
2910		tmpl.indent = defaultIndent ?: "";
2911		else
2912		tmpl.indent = prev->indent;
2913		}
2914
2915	return addLineTmpl(entry, &tmpl, prev, val, cfi);	return addLineTmpl(entry, &tmpl, prev, val, cfi);
2916	}	}
#	Line 1789  void removeLine(struct singleEntry * ent	Line 2937  void removeLine(struct singleEntry * ent
2937	free(line);	free(line);
2938	}	}
2939
2940		static void requote(struct singleLine *tmplLine, struct configFileInfo * cfi)
2941		{
2942		struct singleLine newLine = {
2943		.indent = tmplLine->indent,
2944		.type = tmplLine->type,
2945		.next = tmplLine->next,
2946		};
2947		int firstQuotedItem = -1;
2948		int quoteLen = 0;
2949		int j;
2950		int element = 0;
2951		char *c;
2952
2953		c = malloc(strlen(tmplLine->elements[0].item) + 1);
2954		strcpy(c, tmplLine->elements[0].item);
2955		insertElement(&newLine, c, element++, cfi);
2956		free(c);
2957		c = NULL;
2958
2959		for (j = 1; j < tmplLine->numElements; j++) {
2960		if (firstQuotedItem == -1) {
2961		quoteLen += strlen(tmplLine->elements[j].item);
2962
2963		if (isquote(tmplLine->elements[j].item[0])) {
2964		firstQuotedItem = j;
2965		quoteLen += strlen(tmplLine->elements[j].indent);
2966		} else {
2967		c = malloc(quoteLen + 1);
2968		strcpy(c, tmplLine->elements[j].item);
2969		insertElement(&newLine, c, element++, cfi);
2970		free(c);
2971		quoteLen = 0;
2972		}
2973		} else {
2974		int itemlen = strlen(tmplLine->elements[j].item);
2975		quoteLen += itemlen;
2976		quoteLen += strlen(tmplLine->elements[j].indent);
2977
2978		if (isquote(tmplLine->elements[j].item[itemlen - 1])) {
2979		c = malloc(quoteLen + 1);
2980		c[0] = '\0';
2981		for (int i = firstQuotedItem; i < j+1; i++) {
2982		strcat(c, tmplLine->elements[i].item);
2983		strcat(c, tmplLine->elements[i].indent);
2984		}
2985		insertElement(&newLine, c, element++, cfi);
2986		free(c);
2987
2988		firstQuotedItem = -1;
2989		quoteLen = 0;
2990		}
2991		}
2992		}
2993		while (tmplLine->numElements)
2994		removeElement(tmplLine, 0);
2995		if (tmplLine->elements)
2996		free(tmplLine->elements);
2997
2998		tmplLine->numElements = newLine.numElements;
2999		tmplLine->elements = newLine.elements;
3000		}
3001
3002	static void insertElement(struct singleLine * line,	static void insertElement(struct singleLine * line,
3003	const char * item, int insertHere,	const char * item, int insertHere,
3004	struct configFileInfo * cfi)	struct configFileInfo * cfi)
#	Line 1895  int updateActualImage(struct grubConfig	Line 3105  int updateActualImage(struct grubConfig
3105	const char ** arg;	const char ** arg;
3106	int useKernelArgs, useRoot;	int useKernelArgs, useRoot;
3107	int firstElement;	int firstElement;
3108	int *usedElements, *usedArgs;	int *usedElements;
3109	int doreplace;	int doreplace;
3110
3111	if (!image) return 0;	if (!image) return 0;
#	Line 1930  int updateActualImage(struct grubConfig	Line 3140  int updateActualImage(struct grubConfig
3140	useRoot = (getKeywordByType(LT_ROOT, cfg->cfi)	useRoot = (getKeywordByType(LT_ROOT, cfg->cfi)
3141	&& !multibootArgs);	&& !multibootArgs);
3142
	for (k = 0, arg = newArgs; *arg; arg++, k++) ;
	usedArgs = calloc(k, sizeof(*usedArgs));
3143	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
3144
3145	if (multibootArgs && !entry->multiboot)	if (multibootArgs && !entry->multiboot)
#	Line 1960  int updateActualImage(struct grubConfig	Line 3167  int updateActualImage(struct grubConfig
3167	firstElement = 2;	firstElement = 2;
3168
3169	} else {	} else {
3170	line = getLineByType(LT_KERNEL|LT_MBMODULE, entry->lines);	line = getLineByType(LT_KERNEL|LT_MBMODULE|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);
3171	if (!line) {	if (!line) {
3172	/* no LT_KERNEL or LT_MBMODULE in this entry? */	/* no LT_KERNEL or LT_MBMODULE in this entry? */
3173	continue;	continue;
#	Line 2008  int updateActualImage(struct grubConfig	Line 3215  int updateActualImage(struct grubConfig
3215	usedElements = calloc(line->numElements, sizeof(*usedElements));	usedElements = calloc(line->numElements, sizeof(*usedElements));
3216
3217	for (k = 0, arg = newArgs; *arg; arg++, k++) {	for (k = 0, arg = newArgs; *arg; arg++, k++) {
	if (usedArgs[k]) continue;
3218
3219	doreplace = 1;	doreplace = 1;
3220	for (i = firstElement; i < line->numElements; i++) {	for (i = firstElement; i < line->numElements; i++) {
#	Line 2023  int updateActualImage(struct grubConfig	Line 3229  int updateActualImage(struct grubConfig
3229	continue;	continue;
3230	if (!argMatch(line->elements[i].item, *arg)) {	if (!argMatch(line->elements[i].item, *arg)) {
3231	usedElements[i]=1;	usedElements[i]=1;
	usedArgs[k]=1;
3232	break;	break;
3233	}	}
3234	}	}
#	Line 2093  int updateActualImage(struct grubConfig	Line 3298  int updateActualImage(struct grubConfig
3298	}	}
3299	}	}
3300
	free(usedArgs);
3301	free(newArgs);	free(newArgs);
3302	free(oldArgs);	free(oldArgs);
3303
#	Line 2119  int updateImage(struct grubConfig * cfg,	Line 3323  int updateImage(struct grubConfig * cfg,
3323	return rc;	return rc;
3324	}	}
3325
3326		int addMBInitrd(struct grubConfig * cfg, const char *newMBKernel,
3327		const char * image, const char * prefix, const char * initrd,
3328		const char * title) {
3329		struct singleEntry * entry;
3330		struct singleLine * line, * kernelLine, *endLine = NULL;
3331		int index = 0;
3332
3333		if (!image) return 0;
3334
3335		for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
3336		kernelLine = getLineByType(LT_MBMODULE, entry->lines);
3337		if (!kernelLine) continue;
3338
3339		/* if title is supplied, the entry's title must match it. */
3340		if (title) {
3341		char *linetitle;
3342
3343		line = getLineByType(LT_TITLE|LT_MENUENTRY, entry->lines);
3344		if (!line)
3345		continue;
3346
3347		linetitle = extractTitle(cfg, line);
3348		if (!linetitle)
3349		continue;
3350		if (strcmp(title, linetitle)) {
3351		free(linetitle);
3352		continue;
3353		}
3354		free(linetitle);
3355		}
3356
3357		if (prefix) {
3358		int prefixLen = strlen(prefix);
3359		if (!strncmp(initrd, prefix, prefixLen))
3360		initrd += prefixLen;
3361		}
3362		endLine = getLineByType(LT_ENTRY_END, entry->lines);
3363		if (endLine)
3364		removeLine(entry, endLine);
3365		line = addLine(entry, cfg->cfi, preferredLineType(LT_MBMODULE,cfg->cfi),
3366		kernelLine->indent, initrd);
3367		if (!line)
3368		return 1;
3369		if (endLine) {
3370		line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL);
3371		if (!line)
3372		return 1;
3373		}
3374
3375		break;
3376		}
3377
3378		return 0;
3379		}
3380
3381		int updateInitrd(struct grubConfig * cfg, const char * image,
3382		const char * prefix, const char * initrd, const char * title) {
3383		struct singleEntry * entry;
3384		struct singleLine * line, * kernelLine, *endLine = NULL;
3385		int index = 0;
3386
3387		if (!image) return 0;
3388
3389		for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
3390		kernelLine = getLineByType(LT_KERNEL|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);
3391		if (!kernelLine) continue;
3392
3393		/* if title is supplied, the entry's title must match it. */
3394		if (title) {
3395		char *linetitle;
3396
3397		line = getLineByType(LT_TITLE|LT_MENUENTRY, entry->lines);
3398		if (!line)
3399		continue;
3400
3401		linetitle = extractTitle(cfg, line);
3402		if (!linetitle)
3403		continue;
3404		if (strcmp(title, linetitle)) {
3405		free(linetitle);
3406		continue;
3407		}
3408		free(linetitle);
3409		}
3410
3411		line = getLineByType(LT_INITRD|LT_INITRD_EFI|LT_INITRD_16, entry->lines);
3412		if (line)
3413		removeLine(entry, line);
3414		if (prefix) {
3415		int prefixLen = strlen(prefix);
3416		if (!strncmp(initrd, prefix, prefixLen))
3417		initrd += prefixLen;
3418		}
3419		endLine = getLineByType(LT_ENTRY_END, entry->lines);
3420		if (endLine)
3421		removeLine(entry, endLine);
3422		enum lineType_e lt;
3423		switch(kernelLine->type) {
3424		case LT_KERNEL:
3425		lt = LT_INITRD;
3426		break;
3427		case LT_KERNEL_EFI:
3428		lt = LT_INITRD_EFI;
3429		break;
3430		case LT_KERNEL_16:
3431		lt = LT_INITRD_16;
3432		break;
3433		default:
3434		lt = preferredLineType(LT_INITRD, cfg->cfi);
3435		}
3436		line = addLine(entry, cfg->cfi, lt, kernelLine->indent, initrd);
3437		if (!line)
3438		return 1;
3439		if (endLine) {
3440		line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL);
3441		if (!line)
3442		return 1;
3443		}
3444
3445		break;
3446		}
3447
3448		return 0;
3449		}
3450
3451	int checkDeviceBootloader(const char * device, const unsigned char * boot) {	int checkDeviceBootloader(const char * device, const unsigned char * boot) {
3452	int fd;	int fd;
3453	unsigned char bootSect[512];	unsigned char bootSect[512];
#	Line 2142  int checkDeviceBootloader(const char * d	Line 3471  int checkDeviceBootloader(const char * d
3471	if (memcmp(boot, bootSect, 3))	if (memcmp(boot, bootSect, 3))
3472	return 0;	return 0;
3473
3474	if (boot[1] == 0xeb) {	if (boot[1] == JMP_SHORT_OPCODE) {
3475	offset = boot[2] + 2;	offset = boot[2] + 2;
3476	} else if (boot[1] == 0xe8 || boot[1] == 0xe9) {	} else if (boot[1] == 0xe8 || boot[1] == 0xe9) {
3477	offset = (boot[3] << 8) + boot[2] + 2;	offset = (boot[3] << 8) + boot[2] + 2;
3478	} else if (boot[0] == 0xeb) {	} else if (boot[0] == JMP_SHORT_OPCODE) {
3479	offset = boot[1] + 2;	offset = boot[1] + 2;
3480		/*
3481		* it looks like grub, when copying stage1 into the mbr, patches stage1
3482		* right after the JMP location, replacing other instructions such as
3483		* JMPs for NOOPs. So, relax the check a little bit by skipping those
3484		* different bytes.
3485		*/
3486		if ((bootSect[offset + 1] == NOOP_OPCODE)
3487		&& (bootSect[offset + 2] == NOOP_OPCODE)) {
3488		offset = offset + 3;
3489		}
3490	} else if (boot[0] == 0xe8 || boot[0] == 0xe9) {	} else if (boot[0] == 0xe8 || boot[0] == 0xe9) {
3491	offset = (boot[2] << 8) + boot[1] + 2;	offset = (boot[2] << 8) + boot[1] + 2;
3492	} else {	} else {
#	Line 2289  int checkForLilo(struct grubConfig * con	Line 3628  int checkForLilo(struct grubConfig * con
3628	return checkDeviceBootloader(line->elements[1].item, boot);	return checkDeviceBootloader(line->elements[1].item, boot);
3629	}	}
3630
3631		int checkForGrub2(struct grubConfig * config) {
3632		if (!access("/etc/grub.d/", R_OK))
3633		return 2;
3634
3635		return 1;
3636		}
3637
3638	int checkForGrub(struct grubConfig * config) {	int checkForGrub(struct grubConfig * config) {
3639	int fd;	int fd;
3640	unsigned char bootSect[512];	unsigned char bootSect[512];
3641	char * boot;	char * boot;
3642		int onSuse = isSuseSystem();
3643
3644	if (parseSysconfigGrub(NULL, &boot))
3645	return 0;	if (onSuse) {
3646		if (parseSuseGrubConf(NULL, &boot))
3647		return 0;
3648		} else {
3649		if (parseSysconfigGrub(NULL, &boot))
3650		return 0;
3651		}
3652
3653	/* assume grub is not installed -- not an error condition */	/* assume grub is not installed -- not an error condition */
3654	if (!boot)	if (!boot)
#	Line 2314  int checkForGrub(struct grubConfig * con	Line 3667  int checkForGrub(struct grubConfig * con
3667	}	}
3668	close(fd);	close(fd);
3669
3670		/* The more elaborate checks do not work on SuSE. The checks done
3671		* seem to be reasonble (at least for now), so just return success
3672		*/
3673		if (onSuse)
3674		return 2;
3675
3676	return checkDeviceBootloader(boot, bootSect);	return checkDeviceBootloader(boot, bootSect);
3677	}	}
3678
#	Line 2347  int checkForExtLinux(struct grubConfig *	Line 3706  int checkForExtLinux(struct grubConfig *
3706	return checkDeviceBootloader(boot, bootSect);	return checkDeviceBootloader(boot, bootSect);
3707	}	}
3708
3709		int checkForYaboot(struct grubConfig * config) {
3710		/*
3711		* This is a simplistic check that we consider good enough for own puporses
3712		*
3713		* If we were to properly check if yaboot is *installed* we'd need to:
3714		* 1) get the system boot device (LT_BOOT)
3715		* 2) considering it's a raw filesystem, check if the yaboot binary matches
3716		*    the content on the boot device
3717		* 3) if not, copy the binary to a temporary file and run "addnote" on it
3718		* 4) check again if binary and boot device contents match
3719		*/
3720		if (!access("/etc/yaboot.conf", R_OK))
3721		return 2;
3722
3723		return 1;
3724		}
3725
3726		int checkForElilo(struct grubConfig * config) {
3727		if (!access("/etc/elilo.conf", R_OK))
3728		return 2;
3729
3730		return 1;
3731		}
3732
3733	static char * getRootSpecifier(char * str) {	static char * getRootSpecifier(char * str) {
3734	char * idx, * rootspec = NULL;	char * idx, * rootspec = NULL;
3735
#	Line 2361  static char * getRootSpecifier(char * st	Line 3744  static char * getRootSpecifier(char * st
3744	static char * getInitrdVal(struct grubConfig * config,	static char * getInitrdVal(struct grubConfig * config,
3745	const char * prefix, struct singleLine *tmplLine,	const char * prefix, struct singleLine *tmplLine,
3746	const char * newKernelInitrd,	const char * newKernelInitrd,
3747	char ** extraInitrds, int extraInitrdCount)	const char ** extraInitrds, int extraInitrdCount)
3748	{	{
3749	char *initrdVal, *end;	char *initrdVal, *end;
3750	int i;	int i;
#	Line 2406  static char * getInitrdVal(struct grubCo	Line 3789  static char * getInitrdVal(struct grubCo
3789
3790	int addNewKernel(struct grubConfig * config, struct singleEntry * template,	int addNewKernel(struct grubConfig * config, struct singleEntry * template,
3791	const char * prefix,	const char * prefix,
3792	char * newKernelPath, char * newKernelTitle,	const char * newKernelPath, const char * newKernelTitle,
3793	char * newKernelArgs, char * newKernelInitrd,	const char * newKernelArgs, const char * newKernelInitrd,
3794	char ** extraInitrds, int extraInitrdCount,	const char ** extraInitrds, int extraInitrdCount,
3795	char * newMBKernel, char * newMBKernelArgs) {	const char * newMBKernel, const char * newMBKernelArgs,
3796		const char * newDevTreePath) {
3797	struct singleEntry * new;	struct singleEntry * new;
3798	struct singleLine * newLine = NULL, * tmplLine = NULL, * masterLine = NULL;	struct singleLine * newLine = NULL, * tmplLine = NULL, * masterLine = NULL;
3799	int needs;	int needs;
#	Line 2450  int addNewKernel(struct grubConfig * con	Line 3834  int addNewKernel(struct grubConfig * con
3834	needs |= NEED_MB;	needs |= NEED_MB;
3835	new->multiboot = 1;	new->multiboot = 1;
3836	}	}
3837		if (newDevTreePath && getKeywordByType(LT_DEVTREE, config->cfi))
3838		needs |= NEED_DEVTREE;
3839
3840	if (template) {	if (template) {
3841	for (masterLine = template->lines;	for (masterLine = template->lines;
#	Line 2463  int addNewKernel(struct grubConfig * con	Line 3849  int addNewKernel(struct grubConfig * con
3849	while (*chptr && isspace(*chptr)) chptr++;	while (*chptr && isspace(*chptr)) chptr++;
3850	if (*chptr == '#') continue;	if (*chptr == '#') continue;
3851
3852	if (tmplLine->type == LT_KERNEL &&	if (iskernel(tmplLine->type) && tmplLine->numElements >= 2) {
	tmplLine->numElements >= 2) {
3853	if (!template->multiboot && (needs & NEED_MB)) {	if (!template->multiboot && (needs & NEED_MB)) {
3854	/* it's not a multiboot template and this is the kernel	/* it's not a multiboot template and this is the kernel
3855	* line.  Try to be intelligent about inserting the	* line.  Try to be intelligent about inserting the
#	Line 2541  int addNewKernel(struct grubConfig * con	Line 3926  int addNewKernel(struct grubConfig * con
3926	/* template is multi but new is not,	/* template is multi but new is not,
3927	* insert the kernel in the first module slot	* insert the kernel in the first module slot
3928	*/	*/
3929	tmplLine->type = LT_KERNEL;	tmplLine->type = preferredLineType(LT_KERNEL, config->cfi);
3930	free(tmplLine->elements[0].item);	free(tmplLine->elements[0].item);
3931	tmplLine->elements[0].item =	tmplLine->elements[0].item =
3932	strdup(getKeywordByType(LT_KERNEL, config->cfi)->key);	strdup(getKeywordByType(tmplLine->type,
3933		config->cfi)->key);
3934	newLine = addLineTmpl(new, tmplLine, newLine,	newLine = addLineTmpl(new, tmplLine, newLine,
3935	newKernelPath + strlen(prefix), config->cfi);	newKernelPath + strlen(prefix),
3936		config->cfi);
3937	needs &= ~NEED_KERNEL;	needs &= ~NEED_KERNEL;
3938	} else if (needs & NEED_INITRD) {	} else if (needs & NEED_INITRD) {
3939	char *initrdVal;	char *initrdVal;
3940	/* template is multi but new is not,	/* template is multi but new is not,
3941	* insert the initrd in the second module slot	* insert the initrd in the second module slot
3942	*/	*/
3943	tmplLine->type = LT_INITRD;	tmplLine->type = preferredLineType(LT_INITRD, config->cfi);
3944	free(tmplLine->elements[0].item);	free(tmplLine->elements[0].item);
3945	tmplLine->elements[0].item =	tmplLine->elements[0].item =
3946	strdup(getKeywordByType(LT_INITRD, config->cfi)->key);	strdup(getKeywordByType(tmplLine->type,
3947		config->cfi)->key);
3948	initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount);	initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount);
3949	newLine = addLineTmpl(new, tmplLine, newLine, initrdVal, config->cfi);	newLine = addLineTmpl(new, tmplLine, newLine, initrdVal, config->cfi);
3950	free(initrdVal);	free(initrdVal);
3951	needs &= ~NEED_INITRD;	needs &= ~NEED_INITRD;
3952	}	}
3953
3954	} else if (tmplLine->type == LT_INITRD &&	} else if (isinitrd(tmplLine->type) && tmplLine->numElements >= 2) {
	tmplLine->numElements >= 2) {
3955	if (needs & NEED_INITRD &&	if (needs & NEED_INITRD &&
3956	new->multiboot && !template->multiboot &&	new->multiboot && !template->multiboot &&
3957	config->cfi->mbInitRdIsModule) {	config->cfi->mbInitRdIsModule) {
#	Line 2590  int addNewKernel(struct grubConfig * con	Line 3977  int addNewKernel(struct grubConfig * con
3977	needs &= ~NEED_INITRD;	needs &= ~NEED_INITRD;
3978	}	}
3979
3980		} else if (tmplLine->type == LT_MENUENTRY &&
3981		(needs & NEED_TITLE)) {
3982		requote(tmplLine, config->cfi);
3983		char *nkt = malloc(strlen(newKernelTitle)+3);
3984		strcpy(nkt, "'");
3985		strcat(nkt, newKernelTitle);
3986		strcat(nkt, "'");
3987		newLine = addLineTmpl(new, tmplLine, newLine, nkt, config->cfi);
3988		free(nkt);
3989		needs &= ~NEED_TITLE;
3990	} else if (tmplLine->type == LT_TITLE &&	} else if (tmplLine->type == LT_TITLE &&
3991	(needs & NEED_TITLE)) {	(needs & NEED_TITLE)) {
3992	if (tmplLine->numElements >= 2) {	if (tmplLine->numElements >= 2) {
#	Line 2603  int addNewKernel(struct grubConfig * con	Line 4000  int addNewKernel(struct grubConfig * con
4000	tmplLine->indent, newKernelTitle);	tmplLine->indent, newKernelTitle);
4001	needs &= ~NEED_TITLE;	needs &= ~NEED_TITLE;
4002	}	}
4003		} else if (tmplLine->type == LT_ECHO) {
4004		requote(tmplLine, config->cfi);
4005		static const char *prefix = "'Loading ";
4006		if (tmplLine->numElements > 1 &&
4007		strstr(tmplLine->elements[1].item, prefix) &&
4008		masterLine->next &&
4009		iskernel(masterLine->next->type)) {
4010		char *newTitle = malloc(strlen(prefix) +
4011		strlen(newKernelTitle) + 2);
4012
4013		strcpy(newTitle, prefix);
4014		strcat(newTitle, newKernelTitle);
4015		strcat(newTitle, "'");
4016		newLine = addLine(new, config->cfi, LT_ECHO,
4017		tmplLine->indent, newTitle);
4018		free(newTitle);
4019		} else {
4020		/* pass through other lines from the template */
4021		newLine = addLineTmpl(new, tmplLine, newLine, NULL,
4022		config->cfi);
4023		}
4024		} else if (tmplLine->type == LT_DEVTREE &&
4025		tmplLine->numElements == 2 && newDevTreePath) {
4026		newLine = addLineTmpl(new, tmplLine, newLine,
4027		newDevTreePath + strlen(prefix),
4028		config->cfi);
4029		needs &= ~NEED_DEVTREE;
4030		} else if (tmplLine->type == LT_ENTRY_END && needs & NEED_DEVTREE) {
4031		const char *ndtp = newDevTreePath;
4032		if (!strncmp(newDevTreePath, prefix, strlen(prefix)))
4033		ndtp += strlen(prefix);
4034		newLine = addLine(new, config->cfi, LT_DEVTREE,
4035		config->secondaryIndent,
4036		ndtp);
4037		needs &= ~NEED_DEVTREE;
4038		newLine = addLineTmpl(new, tmplLine, newLine, NULL, config->cfi);
4039	} else {	} else {
4040	/* pass through other lines from the template */	/* pass through other lines from the template */
4041	newLine = addLineTmpl(new, tmplLine, newLine, NULL, config->cfi);	newLine = addLineTmpl(new, tmplLine, newLine, NULL, config->cfi);
#	Line 2614  int addNewKernel(struct grubConfig * con	Line 4046  int addNewKernel(struct grubConfig * con
4046	/* don't have a template, so start the entry with the	/* don't have a template, so start the entry with the
4047	* appropriate starting line	* appropriate starting line
4048	*/	*/
4049	switch (config->cfi->entrySeparator) {	switch (config->cfi->entryStart) {
4050	case LT_KERNEL:	case LT_KERNEL:
4051		case LT_KERNEL_EFI:
4052		case LT_KERNEL_16:
4053	if (new->multiboot && config->cfi->mbHyperFirst) {	if (new->multiboot && config->cfi->mbHyperFirst) {
4054	/* fall through to LT_HYPER */	/* fall through to LT_HYPER */
4055	} else {	} else {
4056	newLine = addLine(new, config->cfi, LT_KERNEL,	newLine = addLine(new, config->cfi,
4057		preferredLineType(LT_KERNEL, config->cfi),
4058	config->primaryIndent,	config->primaryIndent,
4059	newKernelPath + strlen(prefix));	newKernelPath + strlen(prefix));
4060	needs &= ~NEED_KERNEL;	needs &= ~NEED_KERNEL;
#	Line 2633  int addNewKernel(struct grubConfig * con	Line 4068  int addNewKernel(struct grubConfig * con
4068	needs &= ~NEED_MB;	needs &= ~NEED_MB;
4069	break;	break;
4070
4071		case LT_MENUENTRY: {
4072		char *nkt = malloc(strlen(newKernelTitle)+3);
4073		strcpy(nkt, "'");
4074		strcat(nkt, newKernelTitle);
4075		strcat(nkt, "'");
4076		newLine = addLine(new, config->cfi, LT_MENUENTRY,
4077		config->primaryIndent, nkt);
4078		free(nkt);
4079		needs &= ~NEED_TITLE;
4080		needs |= NEED_END;
4081		break;
4082		}
4083	case LT_TITLE:	case LT_TITLE:
4084	if( useextlinuxmenu != 0 ){ // We just need useextlinuxmenu to not be zero (set above)	if( useextlinuxmenu != 0 ){ // We just need useextlinuxmenu to not be zero (set above)
4085	char * templabel;	char * templabel;
#	Line 2664  int addNewKernel(struct grubConfig * con	Line 4111  int addNewKernel(struct grubConfig * con
4111	}	}
4112	}	}
4113
4114		struct singleLine *endLine = NULL;
4115		endLine = getLineByType(LT_ENTRY_END, new->lines);
4116		if (endLine) {
4117		removeLine(new, endLine);
4118		needs |= NEED_END;
4119		}
4120
4121	/* add the remainder of the lines, i.e. those that either	/* add the remainder of the lines, i.e. those that either
4122	* weren't present in the template, or in the case of no template,	* weren't present in the template, or in the case of no template,
4123	* all the lines following the entrySeparator.	* all the lines following the entryStart.
4124	*/	*/
4125	if (needs & NEED_TITLE) {	if (needs & NEED_TITLE) {
4126	newLine = addLine(new, config->cfi, LT_TITLE,	newLine = addLine(new, config->cfi, LT_TITLE,
#	Line 2683  int addNewKernel(struct grubConfig * con	Line 4137  int addNewKernel(struct grubConfig * con
4137	if (needs & NEED_KERNEL) {	if (needs & NEED_KERNEL) {
4138	newLine = addLine(new, config->cfi,	newLine = addLine(new, config->cfi,
4139	(new->multiboot && getKeywordByType(LT_MBMODULE,	(new->multiboot && getKeywordByType(LT_MBMODULE,
4140	config->cfi)) ?	config->cfi))
4141	LT_MBMODULE : LT_KERNEL,	? LT_MBMODULE
4142		: preferredLineType(LT_KERNEL, config->cfi),
4143	config->secondaryIndent,	config->secondaryIndent,
4144	newKernelPath + strlen(prefix));	newKernelPath + strlen(prefix));
4145	needs &= ~NEED_KERNEL;	needs &= ~NEED_KERNEL;
#	Line 2700  int addNewKernel(struct grubConfig * con	Line 4155  int addNewKernel(struct grubConfig * con
4155	initrdVal = getInitrdVal(config, prefix, NULL, newKernelInitrd, extraInitrds, extraInitrdCount);	initrdVal = getInitrdVal(config, prefix, NULL, newKernelInitrd, extraInitrds, extraInitrdCount);
4156	newLine = addLine(new, config->cfi,	newLine = addLine(new, config->cfi,
4157	(new->multiboot && getKeywordByType(LT_MBMODULE,	(new->multiboot && getKeywordByType(LT_MBMODULE,
4158	config->cfi)) ?	config->cfi))
4159	LT_MBMODULE : LT_INITRD,	? LT_MBMODULE
4160		: preferredLineType(LT_INITRD, config->cfi),
4161	config->secondaryIndent,	config->secondaryIndent,
4162	initrdVal);	initrdVal);
4163	free(initrdVal);	free(initrdVal);
4164	needs &= ~NEED_INITRD;	needs &= ~NEED_INITRD;
4165	}	}
4166		if (needs & NEED_DEVTREE) {
4167		newLine = addLine(new, config->cfi, LT_DEVTREE,
4168		config->secondaryIndent,
4169		newDevTreePath);
4170		needs &= ~NEED_DEVTREE;
4171		}
4172
4173		/* NEEDS_END must be last on bootloaders that need it... */
4174		if (needs & NEED_END) {
4175		newLine = addLine(new, config->cfi, LT_ENTRY_END,
4176		config->secondaryIndent, NULL);
4177		needs &= ~NEED_END;
4178		}
4179
4180	if (needs) {	if (needs) {
4181	printf(_("grubby: needs=%d, aborting\n"), needs);	printf(_("grubby: needs=%d, aborting\n"), needs);
#	Line 2728  static void traceback(int signum)	Line 4197  static void traceback(int signum)
4197	memset(array, '\0', sizeof (array));	memset(array, '\0', sizeof (array));
4198	size = backtrace(array, 40);	size = backtrace(array, 40);
4199
4200	fprintf(stderr, "grubby recieved SIGSEGV!  Backtrace (%ld):\n",	fprintf(stderr, "grubby received SIGSEGV!  Backtrace (%ld):\n",
4201	(unsigned long)size);	(unsigned long)size);
4202	backtrace_symbols_fd(array, size, STDERR_FILENO);	backtrace_symbols_fd(array, size, STDERR_FILENO);
4203	exit(1);	exit(1);
#	Line 2736  static void traceback(int signum)	Line 4205  static void traceback(int signum)
4205
4206	int main(int argc, const char ** argv) {	int main(int argc, const char ** argv) {
4207	poptContext optCon;	poptContext optCon;
4208	char * grubConfig = NULL;	const char * grubConfig = NULL;
4209	char * outputFile = NULL;	char * outputFile = NULL;
4210	int arg = 0;	int arg = 0;
4211	int flags = 0;	int flags = 0;
4212	int badImageOkay = 0;	int badImageOkay = 0;
4213		int configureGrub2 = 0;
4214	int configureLilo = 0, configureELilo = 0, configureGrub = 0;	int configureLilo = 0, configureELilo = 0, configureGrub = 0;
4215	int configureYaboot = 0, configureSilo = 0, configureZipl = 0;	int configureYaboot = 0, configureSilo = 0, configureZipl = 0;
4216	int configureExtLinux = 0;	int configureExtLinux = 0;
#	Line 2752  int main(int argc, const char ** argv) {	Line 4222  int main(int argc, const char ** argv) {
4222	char * newKernelArgs = NULL;	char * newKernelArgs = NULL;
4223	char * newKernelInitrd = NULL;	char * newKernelInitrd = NULL;
4224	char * newKernelTitle = NULL;	char * newKernelTitle = NULL;
4225	char * newKernelVersion = NULL;	char * newDevTreePath = NULL;
4226	char * newMBKernel = NULL;	char * newMBKernel = NULL;
4227	char * newMBKernelArgs = NULL;	char * newMBKernelArgs = NULL;
4228	char * removeMBKernelArgs = NULL;	char * removeMBKernelArgs = NULL;
#	Line 2762  int main(int argc, const char ** argv) {	Line 4232  int main(int argc, const char ** argv) {
4232	char * removeArgs = NULL;	char * removeArgs = NULL;
4233	char * kernelInfo = NULL;	char * kernelInfo = NULL;
4234	char * extraInitrds[MAX_EXTRA_INITRDS] = { NULL };	char * extraInitrds[MAX_EXTRA_INITRDS] = { NULL };
4235		char * envPath = NULL;
4236	const char * chptr = NULL;	const char * chptr = NULL;
4237	struct configFileInfo * cfi = NULL;	struct configFileInfo * cfi = NULL;
4238	struct grubConfig * config;	struct grubConfig * config;
4239	struct singleEntry * template = NULL;	struct singleEntry * template = NULL;
4240	int copyDefault = 0, makeDefault = 0;	int copyDefault = 0, makeDefault = 0;
4241	int displayDefault = 0;	int displayDefault = 0;
4242		int displayDefaultIndex = 0;
4243		int displayDefaultTitle = 0;
4244		int defaultIndex = -1;
4245	struct poptOption options[] = {	struct poptOption options[] = {
4246	{ "add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0,	{ "add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0,
4247	_("add an entry for the specified kernel"), _("kernel-path") },	_("add an entry for the specified kernel"), _("kernel-path") },
#	Line 2785  int main(int argc, const char ** argv) {	Line 4259  int main(int argc, const char ** argv) {
4259	{ "boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0,	{ "boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0,
4260	_("filestystem which contains /boot directory (for testing only)"),	_("filestystem which contains /boot directory (for testing only)"),
4261	_("bootfs") },	_("bootfs") },
4262	#if defined(__i386__) || defined(__x86_64__)	#if defined(__i386__) || defined(__x86_64__) || defined (__powerpc64__) || defined (__ia64__)
4263	{ "bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0,	{ "bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0,
4264	_("check if lilo is installed on lilo.conf boot sector") },	_("check which bootloader is installed on boot sector") },
4265	#endif	#endif
4266	{ "config-file", 'c', POPT_ARG_STRING, &grubConfig, 0,	{ "config-file", 'c', POPT_ARG_STRING, &grubConfig, 0,
4267	_("path to grub config file to update (\"-\" for stdin)"),	_("path to grub config file to update (\"-\" for stdin)"),
#	Line 2798  int main(int argc, const char ** argv) {	Line 4272  int main(int argc, const char ** argv) {
4272	"the kernel referenced by the default image does not exist, "	"the kernel referenced by the default image does not exist, "
4273	"the first linux entry whose kernel does exist is used as the "	"the first linux entry whose kernel does exist is used as the "
4274	"template"), NULL },	"template"), NULL },
4275		{ "debug", 0, 0, &debug, 0,
4276		_("print debugging information for failures") },
4277	{ "default-kernel", 0, 0, &displayDefault, 0,	{ "default-kernel", 0, 0, &displayDefault, 0,
4278	_("display the path of the default kernel") },	_("display the path of the default kernel") },
4279		{ "default-index", 0, 0, &displayDefaultIndex, 0,
4280		_("display the index of the default kernel") },
4281		{ "default-title", 0, 0, &displayDefaultTitle, 0,
4282		_("display the title of the default kernel") },
4283		{ "devtree", 0, POPT_ARG_STRING, &newDevTreePath, 0,
4284		_("device tree file for new stanza"), _("dtb-path") },
4285		{ "devtreedir", 0, POPT_ARG_STRING, &newDevTreePath, 0,
4286		_("device tree directory for new stanza"), _("dtb-path") },
4287	{ "elilo", 0, POPT_ARG_NONE, &configureELilo, 0,	{ "elilo", 0, POPT_ARG_NONE, &configureELilo, 0,
4288	_("configure elilo bootloader") },	_("configure elilo bootloader") },
4289		{ "efi", 0, POPT_ARG_NONE, &isEfi, 0,
4290		_("force grub2 stanzas to use efi") },
4291		{ "env", 0, POPT_ARG_STRING, &envPath, 0,
4292		_("path for environment data"),
4293		_("path") },
4294	{ "extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0,	{ "extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0,
4295	_("configure extlinux bootloader (from syslinux)") },	_("configure extlinux bootloader (from syslinux)") },
4296	{ "grub", 0, POPT_ARG_NONE, &configureGrub, 0,	{ "grub", 0, POPT_ARG_NONE, &configureGrub, 0,
4297	_("configure grub bootloader") },	_("configure grub bootloader") },
4298		{ "grub2", 0, POPT_ARG_NONE, &configureGrub2, 0,
4299		_("configure grub2 bootloader") },
4300	{ "info", 0, POPT_ARG_STRING, &kernelInfo, 0,	{ "info", 0, POPT_ARG_STRING, &kernelInfo, 0,
4301	_("display boot information for specified kernel"),	_("display boot information for specified kernel"),
4302	_("kernel-path") },	_("kernel-path") },
4303	{ "initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0,	{ "initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0,
4304	_("initrd image for the new kernel"), _("initrd-path") },	_("initrd image for the new kernel"), _("initrd-path") },
4305	{ "extra-initrd", 'i', POPT_ARG_STRING, NULL, 'i',	{ "extra-initrd", 'i', POPT_ARG_STRING, NULL, 'i',
4306	_("auxilliary initrd image for things other than the new kernel"), _("initrd-path") },	_("auxiliary initrd image for things other than the new kernel"), _("initrd-path") },
4307	{ "lilo", 0, POPT_ARG_NONE, &configureLilo, 0,	{ "lilo", 0, POPT_ARG_NONE, &configureLilo, 0,
4308	_("configure lilo bootloader") },	_("configure lilo bootloader") },
4309	{ "make-default", 0, 0, &makeDefault, 0,	{ "make-default", 0, 0, &makeDefault, 0,
#	Line 2832  int main(int argc, const char ** argv) {	Line 4323  int main(int argc, const char ** argv) {
4323	{ "set-default", 0, POPT_ARG_STRING, &defaultKernel, 0,	{ "set-default", 0, POPT_ARG_STRING, &defaultKernel, 0,
4324	_("make the first entry referencing the specified kernel "	_("make the first entry referencing the specified kernel "
4325	"the default"), _("kernel-path") },	"the default"), _("kernel-path") },
4326		{ "set-default-index", 0, POPT_ARG_INT, &defaultIndex, 0,
4327		_("make the given entry index the default entry"),
4328		_("entry-index") },
4329	{ "silo", 0, POPT_ARG_NONE, &configureSilo, 0,	{ "silo", 0, POPT_ARG_NONE, &configureSilo, 0,
4330	_("configure silo bootloader") },	_("configure silo bootloader") },
4331	{ "title", 0, POPT_ARG_STRING, &newKernelTitle, 0,	{ "title", 0, POPT_ARG_STRING, &newKernelTitle, 0,
#	Line 2853  int main(int argc, const char ** argv) {	Line 4347  int main(int argc, const char ** argv) {
4347
4348	signal(SIGSEGV, traceback);	signal(SIGSEGV, traceback);
4349
4350		int i = 0;
4351		for (int j = 1; j < argc; j++)
4352		i += strlen(argv[j]) + 1;
4353		saved_command_line = malloc(i);
4354		if (!saved_command_line) {
4355		fprintf(stderr, "grubby: %m\n");
4356		exit(1);
4357		}
4358		saved_command_line[0] = '\0';
4359		for (int j = 1; j < argc; j++) {
4360		strcat(saved_command_line, argv[j]);
4361		strncat(saved_command_line, j == argc -1 ? "" : " ", 1);
4362		}
4363
4364	optCon = poptGetContext("grubby", argc, argv, options, 0);	optCon = poptGetContext("grubby", argc, argv, options, 0);
4365	poptReadDefaultConfig(optCon, 1);	poptReadDefaultConfig(optCon, 1);
4366
#	Line 2885  int main(int argc, const char ** argv) {	Line 4393  int main(int argc, const char ** argv) {
4393	return 1;	return 1;
4394	}	}
4395
4396	if ((configureLilo + configureGrub + configureELilo +	if ((configureLilo + configureGrub2 + configureGrub + configureELilo +
4397	configureYaboot + configureSilo + configureZipl +	configureYaboot + configureSilo + configureZipl +
4398	configureExtLinux ) > 1) {	configureExtLinux ) > 1) {
4399	fprintf(stderr, _("grubby: cannot specify multiple bootloaders\n"));	fprintf(stderr, _("grubby: cannot specify multiple bootloaders\n"));
#	Line 2894  int main(int argc, const char ** argv) {	Line 4402  int main(int argc, const char ** argv) {
4402	fprintf(stderr,	fprintf(stderr,
4403	_("grubby: cannot specify config file with --bootloader-probe\n"));	_("grubby: cannot specify config file with --bootloader-probe\n"));
4404	return 1;	return 1;
4405		} else if (configureGrub2) {
4406		cfi = &grub2ConfigType;
4407		if (envPath)
4408		cfi->envFile = envPath;
4409	} else if (configureLilo) {	} else if (configureLilo) {
4410	cfi = &liloConfigType;	cfi = &liloConfigType;
4411	} else if (configureGrub) {	} else if (configureGrub) {
#	Line 2912  int main(int argc, const char ** argv) {	Line 4424  int main(int argc, const char ** argv) {
4424	}	}
4425
4426	if (!cfi) {	if (!cfi) {
4427		if (grub2FindConfig(&grub2ConfigType))
4428		cfi = &grub2ConfigType;
4429		else
4430	#ifdef __ia64__	#ifdef __ia64__
4431	cfi = &eliloConfigType;	cfi = &eliloConfigType;
4432	#elif __powerpc__	#elif __powerpc__
4433	cfi = &yabootConfigType;	cfi = &yabootConfigType;
4434	#elif __sparc__	#elif __sparc__
4435	cfi = &siloConfigType;	cfi = &siloConfigType;
4436	#elif __s390__	#elif __s390__
4437	cfi = &ziplConfigType;	cfi = &ziplConfigType;
4438	#elif __s390x__	#elif __s390x__
4439	cfi = &ziplConfigtype;	cfi = &ziplConfigtype;
4440	#else	#else
4441	cfi = &grubConfigType;	cfi = &grubConfigType;
4442	#endif	#endif
4443	}	}
4444
4445	if (!grubConfig)	if (!grubConfig) {
4446	grubConfig = cfi->defaultConfig;	if (cfi->findConfig)
4447		grubConfig = cfi->findConfig(cfi);
4448		if (!grubConfig)
4449		grubConfig = cfi->defaultConfig;
4450		}
4451
4452	if (bootloaderProbe && (displayDefault || kernelInfo || newKernelVersion ||	if (bootloaderProbe && (displayDefault || kernelInfo ||
4453	newKernelPath || removeKernelPath || makeDefault ||	newKernelPath || removeKernelPath || makeDefault ||
4454	defaultKernel)) {	defaultKernel || displayDefaultIndex || displayDefaultTitle ||
4455		(defaultIndex >= 0))) {
4456	fprintf(stderr, _("grubby: --bootloader-probe may not be used with "	fprintf(stderr, _("grubby: --bootloader-probe may not be used with "
4457	"specified option"));	"specified option"));
4458	return 1;	return 1;
4459	}	}
4460
4461	if ((displayDefault || kernelInfo) && (newKernelVersion || newKernelPath ||	if ((displayDefault || kernelInfo) && (newKernelPath ||
4462	removeKernelPath)) {	removeKernelPath)) {
4463	fprintf(stderr, _("grubby: --default-kernel and --info may not "	fprintf(stderr, _("grubby: --default-kernel and --info may not "
4464	"be used when adding or removing kernels\n"));	"be used when adding or removing kernels\n"));
#	Line 2948  int main(int argc, const char ** argv) {	Line 4468  int main(int argc, const char ** argv) {
4468	if (newKernelPath && !newKernelTitle) {	if (newKernelPath && !newKernelTitle) {
4469	fprintf(stderr, _("grubby: kernel title must be specified\n"));	fprintf(stderr, _("grubby: kernel title must be specified\n"));
4470	return 1;	return 1;
4471	} else if (!newKernelPath && (newKernelTitle  || newKernelInitrd ||	} else if (!newKernelPath && (copyDefault ||
4472	newKernelInitrd || copyDefault     ||	(newKernelInitrd && !updateKernelPath)||
4473	makeDefault || extraInitrdCount > 0)) {	makeDefault || extraInitrdCount > 0)) {
4474	fprintf(stderr, _("grubby: kernel path expected\n"));	fprintf(stderr, _("grubby: kernel path expected\n"));
4475	return 1;	return 1;
#	Line 2974  int main(int argc, const char ** argv) {	Line 4494  int main(int argc, const char ** argv) {
4494	makeDefault = 1;	makeDefault = 1;
4495	defaultKernel = NULL;	defaultKernel = NULL;
4496	}	}
4497		else if (defaultKernel && (defaultIndex >= 0)) {
4498		fprintf(stderr, _("grubby: --set-default and --set-default-index "
4499		"may not be used together\n"));
4500		return 1;
4501		}
4502
4503	if (!strcmp(grubConfig, "-") && !outputFile) {	if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) {
4504	fprintf(stderr, _("grubby: output file must be specified if stdin "	fprintf(stderr, _("grubby: output file must be specified if stdin "
4505	"is used\n"));	"is used\n"));
4506	return 1;	return 1;
4507	}	}
4508
4509	if (!removeKernelPath && !newKernelPath && !displayDefault && !defaultKernel	if (!removeKernelPath && !newKernelPath && !displayDefault && !defaultKernel
4510	&& !kernelInfo && !bootloaderProbe && !updateKernelPath	&& !kernelInfo && !bootloaderProbe && !updateKernelPath
4511	&& !removeMBKernel) {	&& !removeMBKernel && !displayDefaultIndex && !displayDefaultTitle
4512		&& (defaultIndex == -1)) {
4513	fprintf(stderr, _("grubby: no action specified\n"));	fprintf(stderr, _("grubby: no action specified\n"));
4514	return 1;	return 1;
4515	}	}
#	Line 3010  int main(int argc, const char ** argv) {	Line 4536  int main(int argc, const char ** argv) {
4536	}	}
4537
4538	if (bootloaderProbe) {	if (bootloaderProbe) {
4539	int lrc = 0, grc = 0, erc = 0;	int lrc = 0, grc = 0, gr2c = 0, extrc = 0, yrc = 0, erc = 0;
4540	struct grubConfig * lconfig, * gconfig;	struct grubConfig * lconfig, * gconfig, * yconfig, * econfig;
4541
4542		const char *grub2config = grub2FindConfig(&grub2ConfigType);
4543		if (grub2config) {
4544		gconfig = readConfig(grub2config, &grub2ConfigType);
4545		if (!gconfig)
4546		gr2c = 1;
4547		else
4548		gr2c = checkForGrub2(gconfig);
4549		}
4550
4551	if (!access(grubConfigType.defaultConfig, F_OK)) {	const char *grubconfig = grubFindConfig(&grubConfigType);
4552	gconfig = readConfig(grubConfigType.defaultConfig, &grubConfigType);	if (!access(grubconfig, F_OK)) {
4553		gconfig = readConfig(grubconfig, &grubConfigType);
4554	if (!gconfig)	if (!gconfig)
4555	grc = 1;	grc = 1;
4556	else	else
#	Line 3029  int main(int argc, const char ** argv) {	Line 4565  int main(int argc, const char ** argv) {
4565	lrc = checkForLilo(lconfig);	lrc = checkForLilo(lconfig);
4566	}	}
4567
4568		if (!access(eliloConfigType.defaultConfig, F_OK)) {
4569		econfig = readConfig(eliloConfigType.defaultConfig,
4570		&eliloConfigType);
4571		if (!econfig)
4572		erc = 1;
4573		else
4574		erc = checkForElilo(econfig);
4575		}
4576
4577	if (!access(extlinuxConfigType.defaultConfig, F_OK)) {	if (!access(extlinuxConfigType.defaultConfig, F_OK)) {
4578	lconfig = readConfig(extlinuxConfigType.defaultConfig, &extlinuxConfigType);	lconfig = readConfig(extlinuxConfigType.defaultConfig, &extlinuxConfigType);
4579	if (!lconfig)	if (!lconfig)
4580	erc = 1;	extrc = 1;
4581	else	else
4582	erc = checkForExtLinux(lconfig);	extrc = checkForExtLinux(lconfig);
4583	}	}
4584
4585	if (lrc == 1 || grc == 1) return 1;
4586		if (!access(yabootConfigType.defaultConfig, F_OK)) {
4587		yconfig = readConfig(yabootConfigType.defaultConfig,
4588		&yabootConfigType);
4589		if (!yconfig)
4590		yrc = 1;
4591		else
4592		yrc = checkForYaboot(yconfig);
4593		}
4594
4595		if (lrc == 1 || grc == 1 || gr2c == 1 || extrc == 1 || yrc == 1 ||
4596		erc == 1)
4597		return 1;
4598
4599	if (lrc == 2) printf("lilo\n");	if (lrc == 2) printf("lilo\n");
4600		if (gr2c == 2) printf("grub2\n");
4601	if (grc == 2) printf("grub\n");	if (grc == 2) printf("grub\n");
4602	if (erc == 2) printf("extlinux\n");	if (extrc == 2) printf("extlinux\n");
4603		if (yrc == 2) printf("yaboot\n");
4604		if (erc == 2) printf("elilo\n");
4605
4606	return 0;	return 0;
4607	}	}
4608
4609		if (grubConfig == NULL) {
4610		printf("Could not find bootloader configuration file.\n");
4611		exit(1);
4612		}
4613
4614	config = readConfig(grubConfig, cfi);	config = readConfig(grubConfig, cfi);
4615	if (!config) return 1;	if (!config) return 1;
4616
#	Line 3055  int main(int argc, const char ** argv) {	Line 4620  int main(int argc, const char ** argv) {
4620	char * rootspec;	char * rootspec;
4621
4622	if (config->defaultImage == -1) return 0;	if (config->defaultImage == -1) return 0;
4623		if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
4624		cfi->defaultIsSaved)
4625		config->defaultImage = 0;
4626	entry = findEntryByIndex(config, config->defaultImage);	entry = findEntryByIndex(config, config->defaultImage);
4627	if (!entry) return 0;	if (!entry) return 0;
4628	if (!suitableImage(entry, bootPrefix, 0, flags)) return 0;	if (!suitableImage(entry, bootPrefix, 0, flags)) return 0;
4629
4630	line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines);	line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);
4631	if (!line) return 0;	if (!line) return 0;
4632
4633	rootspec = getRootSpecifier(line->elements[1].item);	rootspec = getRootSpecifier(line->elements[1].item);
#	Line 3067  int main(int argc, const char ** argv) {	Line 4635  int main(int argc, const char ** argv) {
4635	((rootspec != NULL) ? strlen(rootspec) : 0));	((rootspec != NULL) ? strlen(rootspec) : 0));
4636
4637	return 0;	return 0;
4638
4639		} else if (displayDefaultTitle) {
4640		struct singleLine * line;
4641		struct singleEntry * entry;
4642
4643		if (config->defaultImage == -1) return 0;
4644		if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
4645		cfi->defaultIsSaved)
4646		config->defaultImage = 0;
4647		entry = findEntryByIndex(config, config->defaultImage);
4648		if (!entry) return 0;
4649
4650		if (!configureGrub2) {
4651		line = getLineByType(LT_TITLE, entry->lines);
4652		if (!line) return 0;
4653		printf("%s\n", line->elements[1].item);
4654
4655		} else {
4656		char * title;
4657
4658		dbgPrintf("This is GRUB2, default title is embeded in menuentry\n");
4659		line = getLineByType(LT_MENUENTRY, entry->lines);
4660		if (!line) return 0;
4661		title = grub2ExtractTitle(line);
4662		if (title)
4663		printf("%s\n", title);
4664		}
4665		return 0;
4666
4667		} else if (displayDefaultIndex) {
4668		if (config->defaultImage == -1) return 0;
4669		if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
4670		cfi->defaultIsSaved)
4671		config->defaultImage = 0;
4672		printf("%i\n", config->defaultImage);
4673		return 0;
4674
4675	} else if (kernelInfo)	} else if (kernelInfo)
4676	return displayInfo(config, kernelInfo, bootPrefix);	return displayInfo(config, kernelInfo, bootPrefix);
4677
#	Line 3078  int main(int argc, const char ** argv) {	Line 4683  int main(int argc, const char ** argv) {
4683	markRemovedImage(config, removeKernelPath, bootPrefix);	markRemovedImage(config, removeKernelPath, bootPrefix);
4684	markRemovedImage(config, removeMBKernel, bootPrefix);	markRemovedImage(config, removeMBKernel, bootPrefix);
4685	setDefaultImage(config, newKernelPath != NULL, defaultKernel, makeDefault,	setDefaultImage(config, newKernelPath != NULL, defaultKernel, makeDefault,
4686	bootPrefix, flags);	bootPrefix, flags, defaultIndex);
4687	setFallbackImage(config, newKernelPath != NULL);	setFallbackImage(config, newKernelPath != NULL);
4688	if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs,	if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs,
4689	removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1;	removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1;
4690		if (updateKernelPath && newKernelInitrd) {
4691		if (newMBKernel) {
4692		if (addMBInitrd(config, newMBKernel, updateKernelPath,
4693		bootPrefix, newKernelInitrd,
4694		newKernelTitle))
4695		return 1;
4696		} else {
4697		if (updateInitrd(config, updateKernelPath, bootPrefix,
4698		newKernelInitrd, newKernelTitle))
4699		return 1;
4700		}
4701		}
4702	if (addNewKernel(config, template, bootPrefix, newKernelPath,	if (addNewKernel(config, template, bootPrefix, newKernelPath,
4703	newKernelTitle, newKernelArgs, newKernelInitrd,	newKernelTitle, newKernelArgs, newKernelInitrd,
4704	extraInitrds, extraInitrdCount,	(const char **)extraInitrds, extraInitrdCount,
4705	newMBKernel, newMBKernelArgs)) return 1;	newMBKernel, newMBKernelArgs, newDevTreePath)) return 1;
4706
4707
4708	if (numEntries(config) == 0) {	if (numEntries(config) == 0) {
#	Line 3095  int main(int argc, const char ** argv) {	Line 4712  int main(int argc, const char ** argv) {
4712	}	}
4713
4714	if (!outputFile)	if (!outputFile)
4715	outputFile = grubConfig;	outputFile = (char *)grubConfig;
4716
4717	return writeConfig(config, outputFile, bootPrefix);	return writeConfig(config, outputFile, bootPrefix);
4718	}	}

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Legend: Removed from v.926   changed lines   Added in v.2983