Diff of /trunk/grubby/grubby.c

Parent Directory | Revision Log | Patch

	revision 2957 by niro, Wed Jun 29 14:06:18 2016 UTC	revision 3136 by niro, Tue Jul 7 11:09:37 2020 UTC
#	Line 48	Line 48
48	#define dbgPrintf(format, args...)	#define dbgPrintf(format, args...)
49	#endif	#endif
50
51	int debug = 0; /* Currently just for template debugging */	int debug = 0; /* Currently just for template debugging */
52
53	#define _(A) (A)	#define _(A) (A)
54
#	Line 70  char *saved_command_line = NULL;	Line 70  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;
74	char * indent;	char *indent;
75	};	};
76
77	enum lineType_e {	enum lineType_e {
78	LT_WHITESPACE   = 1 << 0,	LT_UNIDENTIFIED = 0,
79	LT_TITLE        = 1 << 1,	LT_WHITESPACE = 1 << 0,
80	LT_KERNEL       = 1 << 2,	LT_TITLE = 1 << 1,
81	LT_INITRD       = 1 << 3,	LT_KERNEL = 1 << 2,
82	LT_HYPER        = 1 << 4,	LT_INITRD = 1 << 3,
83	LT_DEFAULT      = 1 << 5,	LT_HYPER = 1 << 4,
84	LT_MBMODULE     = 1 << 6,	LT_DEFAULT = 1 << 5,
85	LT_ROOT         = 1 << 7,	LT_MBMODULE = 1 << 6,
86	LT_FALLBACK     = 1 << 8,	LT_ROOT = 1 << 7,
87	LT_KERNELARGS   = 1 << 9,	LT_FALLBACK = 1 << 8,
88	LT_BOOT         = 1 << 10,	LT_KERNELARGS = 1 << 9,
89	LT_BOOTROOT     = 1 << 11,	LT_BOOT = 1 << 10,
90	LT_LBA          = 1 << 12,	LT_BOOTROOT = 1 << 11,
91	LT_OTHER        = 1 << 13,	LT_LBA = 1 << 12,
92	LT_GENERIC      = 1 << 14,	LT_OTHER = 1 << 13,
93	LT_ECHO    = 1 << 16,	LT_GENERIC = 1 << 14,
94	LT_MENUENTRY    = 1 << 17,	LT_ECHO = 1 << 16,
95	LT_ENTRY_END    = 1 << 18,	LT_MENUENTRY = 1 << 17,
96	LT_SET_VARIABLE = 1 << 19,	LT_ENTRY_END = 1 << 18,
97	LT_KERNEL_EFI   = 1 << 20,	LT_SET_VARIABLE = 1 << 19,
98	LT_INITRD_EFI   = 1 << 21,	LT_KERNEL_EFI = 1 << 20,
99	LT_KERNEL_16    = 1 << 22,	LT_INITRD_EFI = 1 << 21,
100	LT_INITRD_16    = 1 << 23,	LT_KERNEL_16 = 1 << 22,
101	LT_DEVTREE      = 1 << 24,	LT_INITRD_16 = 1 << 23,
102	LT_UNKNOWN      = 1 << 25,	LT_DEVTREE = 1 << 24,
103		LT_UNKNOWN = 1 << 25,
104	};	};
105
106	struct singleLine {	struct singleLine {
107	char * indent;	char *indent;
108	int numElements;	int numElements;
109	struct lineElement * elements;	struct lineElement *elements;
110	struct singleLine * next;	struct singleLine *next;
111	enum lineType_e type;	enum lineType_e type;
112	};	};
113
114	struct singleEntry {	struct singleEntry {
115	struct singleLine * lines;	struct singleLine *lines;
116	int skip;	int skip;
117	int multiboot;	int multiboot;
118	struct singleEntry * next;	struct singleEntry *next;
119	};	};
120
121	#define GRUBBY_BADIMAGE_OKAY (1 << 0)	#define GRUBBY_BADIMAGE_OKAY (1 << 0)
#	Line 131  struct singleEntry {	Line 132  struct singleEntry {
132	#define NEED_DEVTREE (1 << 6)	#define NEED_DEVTREE (1 << 6)
133
134	#define MAIN_DEFAULT    (1 << 0)	#define MAIN_DEFAULT    (1 << 0)
135		#define FIRST_ENTRY_INDEX    0 /* boot entry index value begin and increment
136		from this initial value */
137		#define NO_DEFAULT_ENTRY    -1 /* indicates that no specific default boot
138		entry was set or currently exists */
139	#define DEFAULT_SAVED       -2	#define DEFAULT_SAVED       -2
140	#define DEFAULT_SAVED_GRUB2 -3	#define DEFAULT_SAVED_GRUB2 -3
141
142	struct keywordTypes {	struct keywordTypes {
143	char * key;	char *key;
144	enum lineType_e type;	enum lineType_e type;
145	char nextChar;	char nextChar;
146	char separatorChar;	char separatorChar;
147	};	};
148
149	struct configFileInfo;	struct configFileInfo;
150
151	typedef const char *(*findConfigFunc)(struct configFileInfo *);	typedef const char *(*findConfigFunc) (struct configFileInfo *);
152	typedef const int (*writeLineFunc)(struct configFileInfo *,	typedef const int (*writeLineFunc) (struct configFileInfo *,
153	struct singleLine *line);	struct singleLine * line);
154	typedef char *(*getEnvFunc)(struct configFileInfo *, char *name);	typedef char *(*getEnvFunc) (struct configFileInfo *, char *name);
155	typedef int (*setEnvFunc)(struct configFileInfo *, char *name, char *value);	typedef int (*setEnvFunc) (struct configFileInfo *, char *name, char *value);
156
157	struct configFileInfo {	struct configFileInfo {
158	char * defaultConfig;	char *defaultConfig;
159	findConfigFunc findConfig;	findConfigFunc findConfig;
160	writeLineFunc writeLine;	writeLineFunc writeLine;
161	getEnvFunc getEnv;	getEnvFunc getEnv;
162	setEnvFunc setEnv;	setEnvFunc setEnv;
163	struct keywordTypes * keywords;	struct keywordTypes *keywords;
164	int caseInsensitive;	int caseInsensitive;
165	int defaultIsIndex;	int defaultIsIndex;
166	int defaultIsVariable;	int defaultIsVariable;
167	int defaultSupportSaved;	int defaultSupportSaved;
168	int defaultIsSaved;	int defaultIsSaved;
169	int defaultIsUnquoted;	int defaultIsUnquoted;
170	enum lineType_e entryStart;	enum lineType_e entryStart;
171	enum lineType_e entryEnd;	enum lineType_e entryEnd;
172	int needsBootPrefix;	int needsBootPrefix;
173	int argsInQuotes;	int argsInQuotes;
174	int maxTitleLength;	int maxTitleLength;
175	int titleBracketed;	int titleBracketed;
176	int titlePosition;	int titlePosition;
177	int mbHyperFirst;	int mbHyperFirst;
178	int mbInitRdIsModule;	int mbInitRdIsModule;
179	int mbConcatArgs;	int mbConcatArgs;
180	int mbAllowExtraInitRds;	int mbAllowExtraInitRds;
181	char *envFile;	char *envFile;
182	};	};
183
184	struct keywordTypes grubKeywords[] = {	struct keywordTypes grubKeywords[] = {
185	{ "title",    LT_TITLE,    ' ' },	{"title", LT_TITLE, ' '},
186	{ "root",    LT_BOOTROOT,    ' ' },	{"root", LT_BOOTROOT, ' '},
187	{ "default",    LT_DEFAULT,    ' ' },	{"default", LT_DEFAULT, ' '},
188	{ "fallback",   LT_FALLBACK,    ' ' },	{"fallback", LT_FALLBACK, ' '},
189	{ "kernel",    LT_KERNEL,    ' ' },	{"kernel", LT_KERNEL, ' '},
190	{ "initrd",    LT_INITRD,    ' ', ' ' },	{"initrd", LT_INITRD, ' ', ' '},
191	{ "module",     LT_MBMODULE,    ' ' },	{"module", LT_MBMODULE, ' '},
192	{ "kernel",     LT_HYPER,       ' ' },	{"kernel", LT_HYPER, ' '},
193	{ NULL,    0, 0 },	{NULL, 0, 0},
194	};	};
195
196	const char *grubFindConfig(struct configFileInfo *cfi) {	const char *grubFindConfig(struct configFileInfo *cfi)
197	static const char *configFiles[] = {	{
198	"/boot/grub/grub.conf",	static const char *configFiles[] = {
199	"/boot/grub/menu.lst",	"/boot/grub/grub.conf",
200	"/etc/grub.conf",	"/boot/grub/menu.lst",
201	"/boot/grub2/grub.cfg",	"/etc/grub.conf",
202	"/boot/grub2-efi/grub.cfg",	NULL
203	NULL	};
204	};	static int i = -1;
205	static int i = -1;
206		if (i == -1) {
207	if (i == -1) {	for (i = 0; configFiles[i] != NULL; i++) {
208	for (i = 0; configFiles[i] != NULL; i++) {	dbgPrintf("Checking \"%s\": ", configFiles[i]);
209	dbgPrintf("Checking \"%s\": ", configFiles[i]);	if (!access(configFiles[i], R_OK)) {
210	if (!access(configFiles[i], R_OK)) {	dbgPrintf("found\n");
211	dbgPrintf("found\n");	return configFiles[i];
212	return configFiles[i];	}
213	}	dbgPrintf("not found\n");
214	dbgPrintf("not found\n");	}
215	}	}
216	}	return configFiles[i];
	return configFiles[i];
217	}	}
218
219	struct configFileInfo grubConfigType = {	struct configFileInfo grubConfigType = {
220	.findConfig = grubFindConfig,	.findConfig = grubFindConfig,
221	.keywords = grubKeywords,	.keywords = grubKeywords,
222	.defaultIsIndex = 1,	.defaultIsIndex = 1,
223	.defaultSupportSaved = 1,	.defaultSupportSaved = 1,
224	.entryStart = LT_TITLE,	.entryStart = LT_TITLE,
225	.needsBootPrefix = 1,	.needsBootPrefix = 1,
226	.mbHyperFirst = 1,	.mbHyperFirst = 1,
227	.mbInitRdIsModule = 1,	.mbInitRdIsModule = 1,
228	.mbAllowExtraInitRds = 1,	.mbAllowExtraInitRds = 1,
229		.titlePosition = 1,
230	};	};
231
232	struct keywordTypes grub2Keywords[] = {	struct keywordTypes grub2Keywords[] = {
233	{ "menuentry",  LT_MENUENTRY,   ' ' },	{"menuentry", LT_MENUENTRY, ' '},
234	{ "}",          LT_ENTRY_END,   ' ' },	{"}", LT_ENTRY_END, ' '},
235	{ "echo",       LT_ECHO,        ' ' },	{"echo", LT_ECHO, ' '},
236	{ "set",        LT_SET_VARIABLE,' ', '=' },	{"set", LT_SET_VARIABLE, ' ', '='},
237	{ "root",       LT_BOOTROOT,    ' ' },	{"root", LT_BOOTROOT, ' '},
238	{ "default",    LT_DEFAULT,     ' ' },	{"default", LT_DEFAULT, ' '},
239	{ "fallback",   LT_FALLBACK,    ' ' },	{"fallback", LT_FALLBACK, ' '},
240	{ "linux",      LT_KERNEL,      ' ' },	{"linux", LT_KERNEL, ' '},
241	{ "linuxefi",   LT_KERNEL_EFI,  ' ' },	{"linuxefi", LT_KERNEL_EFI, ' '},
242	{ "linux16",    LT_KERNEL_16,   ' ' },	{"linux16", LT_KERNEL_16, ' '},
243	{ "initrd",     LT_INITRD,      ' ', ' ' },	{"initrd", LT_INITRD, ' ', ' '},
244	{ "initrdefi",  LT_INITRD_EFI,  ' ', ' ' },	{"initrdefi", LT_INITRD_EFI, ' ', ' '},
245	{ "initrd16",   LT_INITRD_16,   ' ', ' ' },	{"initrd16", LT_INITRD_16, ' ', ' '},
246	{ "module",     LT_MBMODULE,    ' ' },	{"module", LT_MBMODULE, ' '},
247	{ "kernel",     LT_HYPER,       ' ' },	{"kernel", LT_HYPER, ' '},
248	{ "devicetree", LT_DEVTREE,  ' ' },	{"devicetree", LT_DEVTREE, ' '},
249	{ NULL, 0, 0 },	{NULL, 0, 0},
250	};	};
251
252	const char *grub2FindConfig(struct configFileInfo *cfi) {	const char *grub2FindConfig(struct configFileInfo *cfi)
253	static const char *configFiles[] = {	{
254	"/boot/grub/grub-efi.cfg",	static const char *configFiles[] = {
255	"/boot/grub/grub.cfg",	"/boot/grub/grub-efi.cfg",
256	NULL	"/boot/grub/grub.cfg",
257	};	"/etc/grub2-efi.cfg",
258	static int i = -1;	"/etc/grub2.cfg",
259	static const char *grub_cfg = "/boot/grub/grub.cfg";	"/boot/grub2/grub.cfg",
260	int rc = -1;	"/boot/grub2-efi/grub.cfg",
261		NULL
262	if (i == -1) {	};
263	for (i = 0; configFiles[i] != NULL; i++) {	static int i = -1;
264	dbgPrintf("Checking \"%s\": ", configFiles[i]);	static const char *grub_cfg = "/boot/grub/grub.cfg";
265	if ((rc = access(configFiles[i], R_OK))) {	int rc = -1;
266	if (errno == EACCES) {
267	printf("Unable to access bootloader configuration file "	if (i == -1) {
268	"\"%s\": %m\n", configFiles[i]);	for (i = 0; configFiles[i] != NULL; i++) {
269	exit(1);	dbgPrintf("Checking \"%s\": ", configFiles[i]);
270		if ((rc = access(configFiles[i], R_OK))) {
271		if (errno == EACCES) {
272		printf
273		("Unable to access bootloader configuration file "
274		"\"%s\": %m\n", configFiles[i]);
275		exit(1);
276		}
277		continue;
278		} else {
279		dbgPrintf("found\n");
280		return configFiles[i];
281		}
282	}	}
	continue;
	} else {
	dbgPrintf("found\n");
	return configFiles[i];
	}
283	}	}
	}
284
285	/* Ubuntu renames grub2 to grub, so check for the grub.d directory	/* Ubuntu renames grub2 to grub, so check for the grub.d directory
286	* that isn't in grub1, and if it exists, return the config file path	* that isn't in grub1, and if it exists, return the config file path
287	* that they use. */	* that they use. */
288	if (configFiles[i] == NULL && !access("/etc/grub.d/", R_OK)) {	if (configFiles[i] == NULL && !access("/etc/grub.d/", R_OK)) {
289	dbgPrintf("found\n");	dbgPrintf("found\n");
290	return grub_cfg;	return grub_cfg;
291	}	}
292
293	dbgPrintf("not found\n");	dbgPrintf("not found\n");
294	return configFiles[i];	return configFiles[i];
295	}	}
296
297	/* kind of hacky.  It'll give the first 1024 bytes, ish. */	/* kind of hacky.  It'll give the first 1024 bytes, ish. */
298	static char *grub2GetEnv(struct configFileInfo *info, char *name)	static char *grub2GetEnv(struct configFileInfo *info, char *name)
299	{	{
300	static char buf[1025];	static char buf[1025];
301	char *s = NULL;	char *s = NULL;
302	char *ret = NULL;	char *ret = NULL;
303	char *envFile = info->envFile ? info->envFile : "/boot/grub/grubenv";	char *envFile = info->envFile ? info->envFile : "/boot/grub/grubenv";
304	int rc = asprintf(&s, "grub-editenv %s list | grep '^%s='", envFile, name);	int rc =
305		asprintf(&s, "grub-editenv %s list | grep '^%s='", envFile, name);
306	if (rc < 0)
307	return NULL;	if (rc < 0)
308		return NULL;
309	FILE *f = popen(s, "r");
310	if (!f)	FILE *f = popen(s, "r");
311	goto out;	if (!f)
312		goto out;
313	memset(buf, '\0', sizeof (buf));
314	ret = fgets(buf, 1024, f);	memset(buf, '\0', sizeof(buf));
315	pclose(f);	ret = fgets(buf, 1024, f);
316		pclose(f);
317	if (ret) {
318	ret += strlen(name) + 1;	if (ret) {
319	ret[strlen(ret) - 1] = '\0';	ret += strlen(name) + 1;
320	}	ret[strlen(ret) - 1] = '\0';
321	dbgPrintf("grub2GetEnv(%s): %s\n", name, ret);	}
322		dbgPrintf("grub2GetEnv(%s): %s\n", name, ret);
323	out:	out:
324	free(s);	free(s);
325	return ret;	return ret;
326	}	}
327
328	static int sPopCount(const char *s, const char *c)	static int sPopCount(const char *s, const char *c)
329	{	{
330	int ret = 0;	int ret = 0;
331	if (!s)	if (!s)
332	return -1;	return -1;
333	for (int i = 0; s[i] != '\0'; i++)	for (int i = 0; s[i] != '\0'; i++)
334	for (int j = 0; c[j] != '\0'; j++)	for (int j = 0; c[j] != '\0'; j++)
335	if (s[i] == c[j])	if (s[i] == c[j])
336	ret++;	ret++;
337	return ret;	return ret;
338	}	}
339
340	static char *shellEscape(const char *s)	static char *shellEscape(const char *s)
341	{	{
342	int l = strlen(s) + sPopCount(s, "'") * 2;	int l = strlen(s) + sPopCount(s, "'") * 2;
343
344	char *ret = calloc(l+1, sizeof (*ret));	char *ret = calloc(l + 1, sizeof(*ret));
345	if (!ret)	if (!ret)
346	return NULL;	return NULL;
347	for (int i = 0, j = 0; s[i] != '\0'; i++, j++) {	for (int i = 0, j = 0; s[i] != '\0'; i++, j++) {
348	if (s[i] == '\'')	if (s[i] == '\'')
349	ret[j++] = '\\';	ret[j++] = '\\';
350	ret[j] = s[i];	ret[j] = s[i];
351	}	}
352	return ret;	return ret;
353	}	}
354
355	static void unquote(char *s)	static void unquote(char *s)
356	{	{
357	int l = strlen(s);	int l = strlen(s);
358
359	if ((s[l-1] == '\'' && s[0] == '\'') || (s[l-1] == '"' && s[0] == '"')) {	if ((s[l - 1] == '\'' && s[0] == '\'')
360	memmove(s, s+1, l-2);	|| (s[l - 1] == '"' && s[0] == '"')) {
361	s[l-2] = '\0';	memmove(s, s + 1, l - 2);
362	}	s[l - 2] = '\0';
363		}
364	}	}
365
366	static int grub2SetEnv(struct configFileInfo *info, char *name, char *value)	static int grub2SetEnv(struct configFileInfo *info, char *name, char *value)
367	{	{
368	char *s = NULL;	char *s = NULL;
369	int rc = 0;	int rc = 0;
370	char *envFile = info->envFile ? info->envFile : "/boot/grub/grubenv";	char *envFile = info->envFile ? info->envFile : "/boot/grub/grubenv";
371
372	unquote(value);	unquote(value);
373	value = shellEscape(value);	value = shellEscape(value);
374	if (!value)	if (!value)
375	return -1;	return -1;
376
377	rc = asprintf(&s, "grub-editenv %s set '%s=%s'", envFile, name, value);	rc = asprintf(&s, "grub-editenv %s set '%s=%s'", envFile, name, value);
378	free(value);	free(value);
379	if (rc <0)	if (rc < 0)
380	return -1;	return -1;
381
382	dbgPrintf("grub2SetEnv(%s): %s\n", name, s);	dbgPrintf("grub2SetEnv(%s): %s\n", name, s);
383	rc = system(s);	rc = system(s);
384	free(s);	free(s);
385	return rc;	return rc;
386	}	}
387
388	/* this is a gigantic hack to avoid clobbering grub2 variables... */	/* this is a gigantic hack to avoid clobbering grub2 variables... */
389	static int is_special_grub2_variable(const char *name)	static int is_special_grub2_variable(const char *name)
390	{	{
391	if (!strcmp(name,"\"${next_entry}\""))	if (!strcmp(name, "\"${next_entry}\""))
392	return 1;	return 1;
393	if (!strcmp(name,"\"${prev_saved_entry}\""))	if (!strcmp(name, "\"${prev_saved_entry}\""))
394	return 1;	return 1;
395	return 0;	return 0;
396	}	}
397
398	int sizeOfSingleLine(struct singleLine * line) {	int sizeOfSingleLine(struct singleLine *line)
399	int count = 0;	{
400		int count = 0;
401
402	for (int i = 0; i < line->numElements; i++) {	for (int i = 0; i < line->numElements; i++) {
403	int indentSize = 0;	int indentSize = 0;
404
405	count = count + strlen(line->elements[i].item);	count = count + strlen(line->elements[i].item);
406
407	indentSize = strlen(line->elements[i].indent);	indentSize = strlen(line->elements[i].indent);
408	if (indentSize > 0)	if (indentSize > 0)
409	count = count + indentSize;	count = count + indentSize;
410	else	else
411	/* be extra safe and add room for whitespaces */	/* be extra safe and add room for whitespaces */
412	count = count + 1;	count = count + 1;
413	}	}
414
415	/* room for trailing terminator */	/* room for trailing terminator */
416	count = count + 1;	count = count + 1;
417
418	return count;	return count;
419	}	}
420
421	static int isquote(char q)	static int isquote(char q)
422	{	{
423	if (q == '\'' || q == '\"')	if (q == '\'' || q == '\"')
424	return 1;	return 1;
425	return 0;	return 0;
426	}	}
427
428	static int iskernel(enum lineType_e type) {	static int iskernel(enum lineType_e type)
429	return (type == LT_KERNEL || type == LT_KERNEL_EFI || type == LT_KERNEL_16);	{
430		return (type == LT_KERNEL || type == LT_KERNEL_EFI
431		|| type == LT_KERNEL_16);
432	}	}
433
434	static int isinitrd(enum lineType_e type) {	static int isinitrd(enum lineType_e type)
435	return (type == LT_INITRD || type == LT_INITRD_EFI || type == LT_INITRD_16);	{
436		return (type == LT_INITRD || type == LT_INITRD_EFI
437		|| type == LT_INITRD_16);
438	}	}
439
440	char *grub2ExtractTitle(struct singleLine * line) {	char *grub2ExtractTitle(struct singleLine *line)
441	char * current;	{
442	char * current_indent;	char *current;
443	int current_len;	char *current_indent;
444	int current_indent_len;	int current_len;
445	int i;	int current_indent_len;
446		int i;
447	/* bail out if line does not start with menuentry */
448	if (strcmp(line->elements[0].item, "menuentry"))	/* bail out if line does not start with menuentry */
449	return NULL;	if (strcmp(line->elements[0].item, "menuentry"))
450		return NULL;
	i = 1;
	current = line->elements[i].item;
	current_len = strlen(current);
	/* if second word is quoted, strip the quotes and return single word */
	if (isquote(*current) && isquote(current[current_len - 1])) {
	char *tmp;
	tmp = strdup(current);
	*(tmp + current_len - 1) = '\0';
	return ++tmp;
	}
451
452	/* if no quotes, return second word verbatim */	i = 1;
	if (!isquote(*current))
	return current;
	/* second element start with a quote, so we have to find the element
	* whose last character is also quote (assuming it's the closing one) */
	int resultMaxSize;
	char * result;
	resultMaxSize = sizeOfSingleLine(line);
	result = malloc(resultMaxSize);
	snprintf(result, resultMaxSize, "%s", ++current);
	i++;
	for (; i < line->numElements; ++i) {
453	current = line->elements[i].item;	current = line->elements[i].item;
454	current_len = strlen(current);	current_len = strlen(current);
	current_indent = line->elements[i].indent;
	current_indent_len = strlen(current_indent);
455
456	strncat(result, current_indent, current_indent_len);	/* if second word is quoted, strip the quotes and return single word */
457	if (!isquote(current[current_len-1])) {	if (isquote(*current) && isquote(current[current_len - 1])) {
458	strncat(result, current, current_len);	char *tmp;
459	} else {
460	strncat(result, current, current_len - 1);	tmp = strdup(current + 1);
461	break;	if (!tmp)
462		return NULL;
463		tmp[strlen(tmp) - 1] = '\0';
464		return tmp;
465		}
466
467		/* if no quotes, return second word verbatim */
468		if (!isquote(*current))
469		return current;
470
471		/* second element start with a quote, so we have to find the element
472		* whose last character is also quote (assuming it's the closing one) */
473		int resultMaxSize;
474		char *result;
475		/* need to ensure that ' does not match " as we search */
476		char quote_char = *current;
477
478		resultMaxSize = sizeOfSingleLine(line);
479		result = malloc(resultMaxSize);
480		snprintf(result, resultMaxSize, "%s", ++current);
481
482		i++;
483		for (; i < line->numElements; ++i) {
484		current = line->elements[i].item;
485		current_len = strlen(current);
486		current_indent = line->elements[i].indent;
487		current_indent_len = strlen(current_indent);
488
489		strncat(result, current_indent, current_indent_len);
490		if (current[current_len - 1] != quote_char) {
491		strncat(result, current, current_len);
492		} else {
493		strncat(result, current, current_len - 1);
494		break;
495		}
496	}	}
497	}	return result;
	return result;
498	}	}
499
500	struct configFileInfo grub2ConfigType = {	struct configFileInfo grub2ConfigType = {
501	.findConfig = grub2FindConfig,	.findConfig = grub2FindConfig,
502	.getEnv = grub2GetEnv,	.getEnv = grub2GetEnv,
503	.setEnv = grub2SetEnv,	.setEnv = grub2SetEnv,
504	.keywords = grub2Keywords,	.keywords = grub2Keywords,
505	.defaultIsIndex = 1,	.defaultIsIndex = 1,
506	.defaultSupportSaved = 1,	.defaultSupportSaved = 1,
507	.defaultIsVariable = 1,	.defaultIsVariable = 1,
508	.entryStart = LT_MENUENTRY,	.entryStart = LT_MENUENTRY,
509	.entryEnd = LT_ENTRY_END,	.entryEnd = LT_ENTRY_END,
510	.titlePosition = 1,	.titlePosition = 1,
511	.needsBootPrefix = 1,	.needsBootPrefix = 1,
512	.mbHyperFirst = 1,	.mbHyperFirst = 1,
513	.mbInitRdIsModule = 1,	.mbInitRdIsModule = 1,
514	.mbAllowExtraInitRds = 1,	.mbAllowExtraInitRds = 1,
515	};	};
516
517	struct keywordTypes yabootKeywords[] = {	struct keywordTypes yabootKeywords[] = {
518	{ "label",    LT_TITLE,    '=' },	{"label", LT_TITLE, '='},
519	{ "root",    LT_ROOT,    '=' },	{"root", LT_ROOT, '='},
520	{ "default",    LT_DEFAULT,    '=' },	{"default", LT_DEFAULT, '='},
521	{ "image",    LT_KERNEL,    '=' },	{"image", LT_KERNEL, '='},
522	{ "bsd",    LT_GENERIC,    '=' },	{"bsd", LT_GENERIC, '='},
523	{ "macos",    LT_GENERIC,    '=' },	{"macos", LT_GENERIC, '='},
524	{ "macosx",    LT_GENERIC,    '=' },	{"macosx", LT_GENERIC, '='},
525	{ "magicboot",  LT_GENERIC,    '=' },	{"magicboot", LT_GENERIC, '='},
526	{ "darwin",    LT_GENERIC,    '=' },	{"darwin", LT_GENERIC, '='},
527	{ "timeout",    LT_GENERIC,    '=' },	{"timeout", LT_GENERIC, '='},
528	{ "install",    LT_GENERIC,    '=' },	{"install", LT_GENERIC, '='},
529	{ "fstype",    LT_GENERIC,    '=' },	{"fstype", LT_GENERIC, '='},
530	{ "hfstype",    LT_GENERIC,    '=' },	{"hfstype", LT_GENERIC, '='},
531	{ "delay",    LT_GENERIC,    '=' },	{"delay", LT_GENERIC, '='},
532	{ "defaultos",  LT_GENERIC,     '=' },	{"defaultos", LT_GENERIC, '='},
533	{ "init-message", LT_GENERIC,   '=' },	{"init-message", LT_GENERIC, '='},
534	{ "enablecdboot", LT_GENERIC,   ' ' },	{"enablecdboot", LT_GENERIC, ' '},
535	{ "enableofboot", LT_GENERIC,   ' ' },	{"enableofboot", LT_GENERIC, ' '},
536	{ "enablenetboot", LT_GENERIC,  ' ' },	{"enablenetboot", LT_GENERIC, ' '},
537	{ "nonvram",    LT_GENERIC,    ' ' },	{"nonvram", LT_GENERIC, ' '},
538	{ "hide",    LT_GENERIC,    ' ' },	{"hide", LT_GENERIC, ' '},
539	{ "protect",    LT_GENERIC,    ' ' },	{"protect", LT_GENERIC, ' '},
540	{ "nobless",    LT_GENERIC,    ' ' },	{"nobless", LT_GENERIC, ' '},
541	{ "nonvram",    LT_GENERIC,    ' ' },	{"nonvram", LT_GENERIC, ' '},
542	{ "brokenosx",  LT_GENERIC,    ' ' },	{"brokenosx", LT_GENERIC, ' '},
543	{ "usemount",   LT_GENERIC,    ' ' },	{"usemount", LT_GENERIC, ' '},
544	{ "mntpoint",   LT_GENERIC,    '=' },	{"mntpoint", LT_GENERIC, '='},
545	{ "partition",  LT_GENERIC,    '=' },	{"partition", LT_GENERIC, '='},
546	{ "device",    LT_GENERIC,    '=' },	{"device", LT_GENERIC, '='},
547	{ "fstype",    LT_GENERIC,    '=' },	{"fstype", LT_GENERIC, '='},
548	{ "initrd",    LT_INITRD,    '=', ';' },	{"initrd", LT_INITRD, '=', ';'},
549	{ "append",    LT_KERNELARGS,  '=' },	{"append", LT_KERNELARGS, '='},
550	{ "boot",    LT_BOOT,    '=' },	{"boot", LT_BOOT, '='},
551	{ "lba",    LT_LBA,    ' ' },	{"lba", LT_LBA, ' '},
552	{ NULL,    0, 0 },	{NULL, 0, 0},
553	};	};
554
555	struct keywordTypes liloKeywords[] = {	struct keywordTypes liloKeywords[] = {
556	{ "label",    LT_TITLE,    '=' },	{"label", LT_TITLE, '='},
557	{ "root",    LT_ROOT,    '=' },	{"root", LT_ROOT, '='},
558	{ "default",    LT_DEFAULT,    '=' },	{"default", LT_DEFAULT, '='},
559	{ "image",    LT_KERNEL,    '=' },	{"image", LT_KERNEL, '='},
560	{ "other",    LT_OTHER,    '=' },	{"other", LT_OTHER, '='},
561	{ "initrd",    LT_INITRD,    '=' },	{"initrd", LT_INITRD, '='},
562	{ "append",    LT_KERNELARGS,  '=' },	{"append", LT_KERNELARGS, '='},
563	{ "boot",    LT_BOOT,    '=' },	{"boot", LT_BOOT, '='},
564	{ "lba",    LT_LBA,    ' ' },	{"lba", LT_LBA, ' '},
565	{ NULL,    0, 0 },	{NULL, 0, 0},
566	};	};
567
568	struct keywordTypes eliloKeywords[] = {	struct keywordTypes eliloKeywords[] = {
569	{ "label",    LT_TITLE,    '=' },	{"label", LT_TITLE, '='},
570	{ "root",    LT_ROOT,    '=' },	{"root", LT_ROOT, '='},
571	{ "default",    LT_DEFAULT,    '=' },	{"default", LT_DEFAULT, '='},
572	{ "image",    LT_KERNEL,    '=' },	{"image", LT_KERNEL, '='},
573	{ "initrd",    LT_INITRD,    '=' },	{"initrd", LT_INITRD, '='},
574	{ "append",    LT_KERNELARGS,  '=' },	{"append", LT_KERNELARGS, '='},
575	{ "vmm",    LT_HYPER,       '=' },	{"vmm", LT_HYPER, '='},
576	{ NULL,    0, 0 },	{NULL, 0, 0},
577	};	};
578
579	struct keywordTypes siloKeywords[] = {	struct keywordTypes siloKeywords[] = {
580	{ "label",    LT_TITLE,    '=' },	{"label", LT_TITLE, '='},
581	{ "root",    LT_ROOT,    '=' },	{"root", LT_ROOT, '='},
582	{ "default",    LT_DEFAULT,    '=' },	{"default", LT_DEFAULT, '='},
583	{ "image",    LT_KERNEL,    '=' },	{"image", LT_KERNEL, '='},
584	{ "other",    LT_OTHER,    '=' },	{"other", LT_OTHER, '='},
585	{ "initrd",    LT_INITRD,    '=' },	{"initrd", LT_INITRD, '='},
586	{ "append",    LT_KERNELARGS,  '=' },	{"append", LT_KERNELARGS, '='},
587	{ "boot",    LT_BOOT,    '=' },	{"boot", LT_BOOT, '='},
588	{ NULL,    0, 0 },	{NULL, 0, 0},
589	};	};
590
591	struct keywordTypes ziplKeywords[] = {	struct keywordTypes ziplKeywords[] = {
592	{ "target",     LT_BOOTROOT,    '=' },	{"target", LT_BOOTROOT, '='},
593	{ "image",      LT_KERNEL,      '=' },	{"image", LT_KERNEL, '='},
594	{ "ramdisk",    LT_INITRD,      '=' },	{"ramdisk", LT_INITRD, '='},
595	{ "parameters", LT_KERNELARGS,  '=' },	{"parameters", LT_KERNELARGS, '='},
596	{ "default",    LT_DEFAULT,     '=' },	{"default", LT_DEFAULT, '='},
597	{ NULL,         0, 0 },	{NULL, 0, 0},
598	};	};
599
600	struct keywordTypes extlinuxKeywords[] = {	struct keywordTypes extlinuxKeywords[] = {
601	{ "label",    LT_TITLE,    ' ' },	{"label", LT_TITLE, ' '},
602	{ "root",    LT_ROOT,    ' ' },	{"root", LT_ROOT, ' '},
603	{ "default",    LT_DEFAULT,    ' ' },	{"default", LT_DEFAULT, ' '},
604	{ "kernel",    LT_KERNEL,    ' ' },	{"kernel", LT_KERNEL, ' '},
605	{ "initrd",    LT_INITRD,      ' ', ',' },	{"initrd", LT_INITRD, ' ', ','},
606	{ "append",    LT_KERNELARGS,  ' ' },	{"append", LT_KERNELARGS, ' '},
607	{ "prompt",     LT_UNKNOWN,     ' ' },	{"prompt", LT_UNKNOWN, ' '},
608	{ NULL,    0, 0 },	{"fdt", LT_DEVTREE, ' '},
609		{"fdtdir", LT_DEVTREE, ' '},
610		{NULL, 0, 0},
611	};	};
612
613	int useextlinuxmenu;	int useextlinuxmenu;
614	struct configFileInfo eliloConfigType = {	struct configFileInfo eliloConfigType = {
615	.defaultConfig = "/boot/efi/EFI/redhat/elilo.conf",	.defaultConfig = "/boot/efi/EFI/redhat/elilo.conf",
616	.keywords = eliloKeywords,	.keywords = eliloKeywords,
617	.entryStart = LT_KERNEL,	.entryStart = LT_KERNEL,
618	.needsBootPrefix = 1,	.needsBootPrefix = 1,
619	.argsInQuotes = 1,	.argsInQuotes = 1,
620	.mbConcatArgs = 1,	.mbConcatArgs = 1,
621		.titlePosition = 1,
622	};	};
623
624	struct configFileInfo liloConfigType = {	struct configFileInfo liloConfigType = {
625	.defaultConfig = "/etc/lilo.conf",	.defaultConfig = "/etc/lilo.conf",
626	.keywords = liloKeywords,	.keywords = liloKeywords,
627	.entryStart = LT_KERNEL,	.entryStart = LT_KERNEL,
628	.argsInQuotes = 1,	.argsInQuotes = 1,
629	.maxTitleLength = 15,	.maxTitleLength = 15,
630		.titlePosition = 1,
631	};	};
632
633	struct configFileInfo yabootConfigType = {	struct configFileInfo yabootConfigType = {
634	.defaultConfig = "/etc/yaboot.conf",	.defaultConfig = "/etc/yaboot.conf",
635	.keywords = yabootKeywords,	.keywords = yabootKeywords,
636	.entryStart = LT_KERNEL,	.entryStart = LT_KERNEL,
637	.needsBootPrefix = 1,	.needsBootPrefix = 1,
638	.argsInQuotes = 1,	.argsInQuotes = 1,
639	.maxTitleLength = 15,	.maxTitleLength = 15,
640	.mbAllowExtraInitRds = 1,	.mbAllowExtraInitRds = 1,
641		.titlePosition = 1,
642	};	};
643
644	struct configFileInfo siloConfigType = {	struct configFileInfo siloConfigType = {
645	.defaultConfig = "/etc/silo.conf",	.defaultConfig = "/etc/silo.conf",
646	.keywords = siloKeywords,	.keywords = siloKeywords,
647	.entryStart = LT_KERNEL,	.entryStart = LT_KERNEL,
648	.needsBootPrefix = 1,	.needsBootPrefix = 1,
649	.argsInQuotes = 1,	.argsInQuotes = 1,
650	.maxTitleLength = 15,	.maxTitleLength = 15,
651		.titlePosition = 1,
652	};	};
653
654	struct configFileInfo ziplConfigType = {	struct configFileInfo ziplConfigType = {
655	.defaultConfig = "/etc/zipl.conf",	.defaultConfig = "/etc/zipl.conf",
656	.keywords = ziplKeywords,	.keywords = ziplKeywords,
657	.entryStart = LT_TITLE,	.entryStart = LT_TITLE,
658	.argsInQuotes = 1,	.argsInQuotes = 1,
659	.titleBracketed = 1,	.titleBracketed = 1,
660	};	};
661
662	struct configFileInfo extlinuxConfigType = {	struct configFileInfo extlinuxConfigType = {
663	.defaultConfig = "/boot/extlinux/extlinux.conf",	.defaultConfig = "/boot/extlinux/extlinux.conf",
664	.keywords = extlinuxKeywords,	.keywords = extlinuxKeywords,
665	.caseInsensitive = 1,	.caseInsensitive = 1,
666	.entryStart = LT_TITLE,	.entryStart = LT_TITLE,
667	.needsBootPrefix = 1,	.needsBootPrefix = 1,
668	.maxTitleLength = 255,	.maxTitleLength = 255,
669	.mbAllowExtraInitRds = 1,	.mbAllowExtraInitRds = 1,
670	.defaultIsUnquoted = 1,	.defaultIsUnquoted = 1,
671		.titlePosition = 1,
672	};	};
673
674	struct grubConfig {	struct grubConfig {
675	struct singleLine * theLines;	struct singleLine *theLines;
676	struct singleEntry * entries;	struct singleEntry *entries;
677	char * primaryIndent;	char *primaryIndent;
678	char * secondaryIndent;	char *secondaryIndent;
679	int defaultImage;    /* -1 if none specified -- this value is	int defaultImage; /* -1 if none specified -- this value is
680	* written out, overriding original */	* written out, overriding original */
681	int fallbackImage;    /* just like defaultImage */	int fallbackImage; /* just like defaultImage */
682	int flags;	int flags;
683	struct configFileInfo * cfi;	struct configFileInfo *cfi;
684		int isModified; /* assumes only one entry added
685		per invocation of grubby */
686	};	};
687
688	blkid_cache blkid;	blkid_cache blkid;
689
690	struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index);	struct singleEntry *findEntryByIndex(struct grubConfig *cfg, int index);
691	struct singleEntry * findEntryByPath(struct grubConfig * cfg,	struct singleEntry *findEntryByPath(struct grubConfig *cfg,
692	const char * path, const char * prefix,	const char *path, const char *prefix,
693	int * index);	int *index);
694	struct singleEntry * findEntryByTitle(struct grubConfig * cfg, char *title,	struct singleEntry *findEntryByTitle(struct grubConfig *cfg, char *title,
695	int * index);	int *index);
696	static int readFile(int fd, char ** bufPtr);	static int readFile(int fd, char **bufPtr);
697	static void lineInit(struct singleLine * line);	static void lineInit(struct singleLine *line);
698	struct singleLine * lineDup(struct singleLine * line);	struct singleLine *lineDup(struct singleLine *line);
699	static void lineFree(struct singleLine * line);	static void lineFree(struct singleLine *line);
700	static int lineWrite(FILE * out, struct singleLine * line,	static int lineWrite(FILE * out, struct singleLine *line,
701	struct configFileInfo * cfi);	struct configFileInfo *cfi);
702	static int getNextLine(char ** bufPtr, struct singleLine * line,	static int getNextLine(char **bufPtr, struct singleLine *line,
703	struct configFileInfo * cfi);	struct configFileInfo *cfi);
704	static char * getRootSpecifier(char * str);	static char *getRootSpecifier(char *str);
705	static void requote(struct singleLine *line, struct configFileInfo * cfi);	static void requote(struct singleLine *line, struct configFileInfo *cfi);
706	static void insertElement(struct singleLine * line,	static void insertElement(struct singleLine *line,
707	const char * item, int insertHere,	const char *item, int insertHere,
708	struct configFileInfo * cfi);	struct configFileInfo *cfi);
709	static void removeElement(struct singleLine * line, int removeHere);	static void removeElement(struct singleLine *line, int removeHere);
710	static struct keywordTypes * getKeywordByType(enum lineType_e type,	static struct keywordTypes *getKeywordByType(enum lineType_e type,
711	struct configFileInfo * cfi);	struct configFileInfo *cfi);
712	static enum lineType_e getTypeByKeyword(char * keyword,	static enum lineType_e getTypeByKeyword(char *keyword,
713	struct configFileInfo * cfi);	struct configFileInfo *cfi);
714	static struct singleLine * getLineByType(enum lineType_e type,	static struct singleLine *getLineByType(enum lineType_e type,
715	struct singleLine * line);	struct singleLine *line);
716	static int checkForExtLinux(struct grubConfig * config);	static int checkForExtLinux(struct grubConfig *config);
717	struct singleLine * addLineTmpl(struct singleEntry * entry,	struct singleLine *addLineTmpl(struct singleEntry *entry,
718	struct singleLine * tmplLine,	struct singleLine *tmplLine,
719	struct singleLine * prevLine,	struct singleLine *prevLine,
720	const char * val,	const char *val, struct configFileInfo *cfi);
721	struct configFileInfo * cfi);	struct singleLine *addLine(struct singleEntry *entry,
722	struct singleLine *  addLine(struct singleEntry * entry,	struct configFileInfo *cfi,
723	struct configFileInfo * cfi,	enum lineType_e type, char *defaultIndent,
724	enum lineType_e type, char * defaultIndent,	const char *val);
	const char * val);
725
726	static char * sdupprintf(const char *format, ...)	static char *sdupprintf(const char *format, ...)
727	#ifdef __GNUC__	#ifdef __GNUC__
728	__attribute__ ((format (printf, 1, 2)));	__attribute__ ((format(printf, 1, 2)));
729	#else	#else
730	;	;
731	#endif	#endif
732
733	static char * sdupprintf(const char *format, ...) {	static char *sdupprintf(const char *format, ...)
734	char *buf = NULL;	{
735	char c;	char *buf = NULL;
736	va_list args;	char c;
737	size_t size = 0;	va_list args;
738	va_start(args, format);	size_t size = 0;
739		va_start(args, format);
740	/* XXX requires C99 vsnprintf behavior */
741	size = vsnprintf(&c, 1, format, args) + 1;	/* XXX requires C99 vsnprintf behavior */
742	if (size == -1) {	size = vsnprintf(&c, 1, format, args) + 1;
743	printf("ERROR: vsnprintf behavior is not C99\n");	if (size == -1) {
744	abort();	printf("ERROR: vsnprintf behavior is not C99\n");
745	}	abort();
746		}
747
748	va_end(args);	va_end(args);
749	va_start(args, format);	va_start(args, format);
750
751	buf = malloc(size);	buf = malloc(size);
752	if (buf == NULL)	if (buf == NULL)
753	return NULL;	return NULL;
754	vsnprintf(buf, size, format, args);	vsnprintf(buf, size, format, args);
755	va_end (args);	va_end(args);
756
757		return buf;
758		}
759
760	return buf;	static inline int
761		kwcmp(struct keywordTypes *kw, const char * label, int case_insensitive)
762		{
763		int kwl = strlen(kw->key);
764		int ll = strlen(label);
765		int rc;
766		int (*snc)(const char *s1, const char *s2, size_t n) =
767		case_insensitive ? strncasecmp : strncmp;
768		int (*sc)(const char *s1, const char *s2) =
769		case_insensitive ? strcasecmp : strcmp;
770
771		rc = snc(kw->key, label, kwl);
772		if (rc)
773		return rc;
774
775		for (int i = kwl; i < ll; i++) {
776		if (isspace(label[i]))
777		return 0;
778		if (kw->separatorChar && label[i] == kw->separatorChar)
779		return 0;
780		else if (kw->nextChar && label[i] == kw->nextChar)
781		return 0;
782		return sc(kw->key+kwl, label+kwl);
783		}
784		return 0;
785	}	}
786
787	static enum lineType_e preferredLineType(enum lineType_e type,	static enum lineType_e preferredLineType(enum lineType_e type,
788	struct configFileInfo *cfi) {	struct configFileInfo *cfi)
789	if (isEfi && cfi == &grub2ConfigType) {	{
790	switch (type) {	if (isEfi && cfi == &grub2ConfigType) {
791	case LT_KERNEL:	switch (type) {
792	return isEfiOnly ? LT_KERNEL : LT_KERNEL_EFI;	case LT_KERNEL:
793	case LT_INITRD:	return isEfiOnly ? LT_KERNEL : LT_KERNEL_EFI;
794	return isEfiOnly ? LT_INITRD : LT_INITRD_EFI;	case LT_INITRD:
795	default:	return isEfiOnly ? LT_INITRD : LT_INITRD_EFI;
796	return type;	default:
797	}	return type;
798		}
799	#if defined(__i386__) || defined(__x86_64__)	#if defined(__i386__) || defined(__x86_64__)
800	} else if (cfi == &grub2ConfigType) {	} else if (cfi == &grub2ConfigType) {
801	switch (type) {	switch (type) {
802	case LT_KERNEL:	case LT_KERNEL:
803	return LT_KERNEL_16;	return LT_KERNEL_16;
804	case LT_INITRD:	case LT_INITRD:
805	return LT_INITRD_16;	return LT_INITRD_16;
806	default:	default:
807	return type;	return type;
808	}	}
809	#endif	#endif
810	}	}
811	return type;	return type;
812	}	}
813
814	static struct keywordTypes * getKeywordByType(enum lineType_e type,	static struct keywordTypes *getKeywordByType(enum lineType_e type,
815	struct configFileInfo * cfi) {	struct configFileInfo *cfi)
816	for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) {	{
817	if (kw->type == type)	for (struct keywordTypes * kw = cfi->keywords; kw->key; kw++) {
818	return kw;	if (kw->type == type)
819	}	return kw;
820	return NULL;	}
821		return NULL;
822	}	}
823
824	static char *getKeyByType(enum lineType_e type, struct configFileInfo * cfi) {	static char *getKeyByType(enum lineType_e type, struct configFileInfo *cfi)
825	struct keywordTypes *kt = getKeywordByType(type, cfi);	{
826	if (kt)	struct keywordTypes *kt = getKeywordByType(type, cfi);
827	return kt->key;	if (kt)
828	return "unknown";	return kt->key;
829		return "unknown";
830	}	}
831
832	static char * getpathbyspec(char *device) {	static char *getpathbyspec(char *device)
833	if (!blkid)	{
834	blkid_get_cache(&blkid, NULL);	if (!blkid)
835		blkid_get_cache(&blkid, NULL);
836
837	return blkid_get_devname(blkid, device, NULL);	return blkid_get_devname(blkid, device, NULL);
838	}	}
839
840	static char * getuuidbydev(char *device) {	static char *getuuidbydev(char *device)
841	if (!blkid)	{
842	blkid_get_cache(&blkid, NULL);	if (!blkid)
843		blkid_get_cache(&blkid, NULL);
844
845	return blkid_get_tag_value(blkid, "UUID", device);	return blkid_get_tag_value(blkid, "UUID", device);
846	}	}
847
848	static enum lineType_e getTypeByKeyword(char * keyword,	static enum lineType_e getTypeByKeyword(char *keyword,
849	struct configFileInfo * cfi) {	struct configFileInfo *cfi)
850	for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) {	{
851	if (cfi->caseInsensitive) {	for (struct keywordTypes * kw = cfi->keywords; kw->key; kw++) {
852	if (!strcasecmp(keyword, kw->key))	if (!kwcmp(kw, keyword, cfi->caseInsensitive))
853	return kw->type;	return kw->type;
	} else {
	if (!strcmp(keyword, kw->key))
	return kw->type;
854	}	}
855	}	return LT_UNKNOWN;
	return LT_UNKNOWN;
856	}	}
857
858	static struct singleLine * getLineByType(enum lineType_e type,	static struct singleLine *getLineByType(enum lineType_e type,
859	struct singleLine * line) {	struct singleLine *line)
860	dbgPrintf("getLineByType(%d): ", type);	{
861	for (; line; line = line->next) {	dbgPrintf("getLineByType(%d): ", type);
862	dbgPrintf("%d:%s ", line->type,	for (; line; line = line->next) {
863	line->numElements ? line->elements[0].item : "(empty)");	dbgPrintf("%d:%s ", line->type,
864	if (line->type & type) break;	line->numElements ? line->elements[0].
865	}	item : "(empty)");
866	dbgPrintf(line ? "\n" : " (failed)\n");	if (line->type & type)
867	return line;	break;
868		}
869		dbgPrintf(line ? "\n" : " (failed)\n");
870		return line;
871	}	}
872
873	static int isBracketedTitle(struct singleLine * line) {	static int isBracketedTitle(struct singleLine *line)
874	if (line->numElements == 1 && *line->elements[0].item == '[') {	{
875	int len = strlen(line->elements[0].item);	if (line->numElements == 1 && *line->elements[0].item == '[') {
876	if (*(line->elements[0].item + len - 1) == ']') {	int len = strlen(line->elements[0].item);
877	/* FIXME: this is a hack... */	if (*(line->elements[0].item + len - 1) == ']') {
878	if (strcmp(line->elements[0].item, "[defaultboot]")) {	/* FIXME: this is a hack... */
879	return 1;	if (strcmp(line->elements[0].item, "[defaultboot]")) {
880	}	return 1;
881	}	}
882	}	}
883	return 0;	}
884		return 0;
885	}	}
886
887	static int isEntryStart(struct singleLine * line,	static int isEntryStart(struct singleLine *line, struct configFileInfo *cfi)
888	struct configFileInfo * cfi) {	{
889	return line->type == cfi->entryStart || line->type == LT_OTHER ||	return line->type == cfi->entryStart || line->type == LT_OTHER ||
890	(cfi->titleBracketed && isBracketedTitle(line));	(cfi->titleBracketed && isBracketedTitle(line));
891	}	}
892
893	/* extract the title from within brackets (for zipl) */	/* extract the title from within brackets (for zipl) */
894	static char * extractTitle(struct singleLine * line) {	static char *extractTitle(struct grubConfig *cfg, struct singleLine *line)
895	/* bracketed title... let's extract it (leaks a byte) */	{
896	char * title = NULL;	/* bracketed title... let's extract it */
897	if (line->type == LT_TITLE) {	char *title = NULL;
898	title = strdup(line->elements[0].item);	if (line->type == LT_TITLE) {
899	title++;	char *tmp = line->elements[cfg->cfi->titlePosition].item;
900	*(title + strlen(title) - 1) = '\0';	if (cfg->cfi->titleBracketed) {
901	} else if (line->type == LT_MENUENTRY)	tmp++;
902	title = strdup(line->elements[1].item);	title = strdup(tmp);
903	else	*(title + strlen(title) - 1) = '\0';
904	return NULL;	} else {
905	return title;	title = strdup(tmp);
906		}
907		} else if (line->type == LT_MENUENTRY)
908		title = strdup(line->elements[1].item);
909		else
910		return NULL;
911		return title;
912	}	}
913
914	static int readFile(int fd, char ** bufPtr) {	static int readFile(int fd, char **bufPtr)
915	int alloced = 0, size = 0, i = 0;	{
916	char * buf = NULL;	int alloced = 0, size = 0, i = 0;
917		char *buf = NULL;
918
919	do {	do {
920	size += i;	size += i;
921	if ((size + 1024) > alloced) {	if ((size + 1024) > alloced) {
922	alloced += 4096;	alloced += 4096;
923	buf = realloc(buf, alloced + 1);	buf = realloc(buf, alloced + 1);
924	}	}
925	} while ((i = read(fd, buf + size, 1024)) > 0);	} while ((i = read(fd, buf + size, 1024)) > 0);
926
927	if (i < 0) {	if (i < 0) {
928	fprintf(stderr, _("error reading input: %s\n"), strerror(errno));	fprintf(stderr, _("error reading input: %s\n"),
929	free(buf);	strerror(errno));
930	return 1;	free(buf);
931	}	return 1;
932		}
933
934	buf = realloc(buf, size + 2);	buf = realloc(buf, size + 2);
935	if (size == 0)	if (size == 0)
936	buf[size++] = '\n';	buf[size++] = '\n';
937	else	else if (buf[size - 1] != '\n')
938	if (buf[size - 1] != '\n')	buf[size++] = '\n';
939	buf[size++] = '\n';	buf[size] = '\0';
	buf[size] = '\0';
940
941	*bufPtr = buf;	*bufPtr = buf;
942
943	return 0;	return 0;
944	}	}
945
946	static void lineInit(struct singleLine * line) {	static void lineInit(struct singleLine *line)
947	line->indent = NULL;	{
948	line->elements = NULL;	line->type = LT_UNIDENTIFIED;
949	line->numElements = 0;	line->indent = NULL;
950	line->next = NULL;	line->elements = NULL;
951	}	line->numElements = 0;
952		line->next = NULL;
	struct singleLine * lineDup(struct singleLine * line) {
	struct singleLine * newLine = malloc(sizeof(*newLine));
	newLine->indent = strdup(line->indent);
	newLine->next = NULL;
	newLine->type = line->type;
	newLine->numElements = line->numElements;
	newLine->elements = malloc(sizeof(*newLine->elements) *
	newLine->numElements);
	for (int i = 0; i < newLine->numElements; i++) {
	newLine->elements[i].indent = strdup(line->elements[i].indent);
	newLine->elements[i].item = strdup(line->elements[i].item);
	}
	return newLine;
953	}	}
954
955	static void lineFree(struct singleLine * line) {	struct singleLine *lineDup(struct singleLine *line)
956	if (line->indent) free(line->indent);	{
957		struct singleLine *newLine = malloc(sizeof(*newLine));
958
959	for (int i = 0; i < line->numElements; i++) {	newLine->indent = strdup(line->indent);
960	free(line->elements[i].item);	newLine->next = NULL;
961	free(line->elements[i].indent);	newLine->type = line->type;
962	}	newLine->numElements = line->numElements;
963		newLine->elements = malloc(sizeof(*newLine->elements) *
964		newLine->numElements);
965
966	if (line->elements) free(line->elements);	for (int i = 0; i < newLine->numElements; i++) {
967	lineInit(line);	newLine->elements[i].indent = strdup(line->elements[i].indent);
968	}	newLine->elements[i].item = strdup(line->elements[i].item);
969		}
970
971	static int lineWrite(FILE * out, struct singleLine * line,	return newLine;
972	struct configFileInfo * cfi) {	}
	if (fprintf(out, "%s", line->indent) == -1) return -1;
973
974	for (int i = 0; i < line->numElements; i++) {	static void lineFree(struct singleLine *line)
975	/* Need to handle this, because we strip the quotes from	{
976	* menuentry when read it. */	if (line->indent)
977	if (line->type == LT_MENUENTRY && i == 1) {	free(line->indent);
	if(!isquote(*line->elements[i].item))
	fprintf(out, "\'%s\'", line->elements[i].item);
	else
	fprintf(out, "%s", line->elements[i].item);
	fprintf(out, "%s", line->elements[i].indent);
978
979	continue;	for (int i = 0; i < line->numElements; i++) {
980		free(line->elements[i].item);
981		free(line->elements[i].indent);
982	}	}
983
984	if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes)	if (line->elements)
985	if (fputc('"', out) == EOF) return -1;	free(line->elements);
986		lineInit(line);
987		}
988
989		static int lineWrite(FILE * out, struct singleLine *line,
990		struct configFileInfo *cfi)
991		{
992		if (fprintf(out, "%s", line->indent) == -1)
993		return -1;
994
995	if (fprintf(out, "%s", line->elements[i].item) == -1) return -1;	for (int i = 0; i < line->numElements; i++) {
996	if (i < line->numElements - 1)	/* Need to handle this, because we strip the quotes from
997	if (fprintf(out, "%s", line->elements[i].indent) == -1) return -1;	* menuentry when read it. */
998	}	if (line->type == LT_MENUENTRY && i == 1) {
999		if (!isquote(*line->elements[i].item)) {
1000		int substring = 0;
1001		/* If the line contains nested quotes, we did
1002		* not strip the "interna" quotes and we must
1003		* use the right quotes again when writing
1004		* the updated file. */
1005		for (int j = i; j < line->numElements; j++) {
1006		if (strchr(line->elements[i].item, '\'')
1007		!= NULL) {
1008		substring = 1;
1009		fprintf(out, "\"%s\"",
1010		line->elements[i].item);
1011		break;
1012		}
1013		}
1014		if (!substring)
1015		fprintf(out, "\'%s\'",
1016		line->elements[i].item);
1017		} else {
1018		fprintf(out, "%s", line->elements[i].item);
1019		}
1020		fprintf(out, "%s", line->elements[i].indent);
1021
1022		continue;
1023		}
1024
1025	if (line->type == LT_KERNELARGS && cfi->argsInQuotes)	if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes)
1026	if (fputc('"', out) == EOF) return -1;	if (fputc('"', out) == EOF)
1027		return -1;
1028
1029		if (fprintf(out, "%s", line->elements[i].item) == -1)
1030		return -1;
1031		if (i < line->numElements - 1 || line->type == LT_SET_VARIABLE)
1032		if (fprintf(out, "%s", line->elements[i].indent) == -1)
1033		return -1;
1034		}
1035
1036		if (line->type == LT_KERNELARGS && cfi->argsInQuotes)
1037		if (fputc('"', out) == EOF)
1038		return -1;
1039
1040	if (fprintf(out, "\n") == -1) return -1;	if (fprintf(out, "\n") == -1)
1041		return -1;
1042
1043	return 0;	return 0;
1044	}	}
1045
1046	/* we've guaranteed that the buffer ends w/ \n\0 */	/* we've guaranteed that the buffer ends w/ \n\0 */
1047	static int getNextLine(char ** bufPtr, struct singleLine * line,	static int getNextLine(char **bufPtr, struct singleLine *line,
1048	struct configFileInfo * cfi) {	struct configFileInfo *cfi)
1049	char * end;	{
1050	char * start = *bufPtr;	char *end;
1051	char * chptr;	char *start = *bufPtr;
1052	int elementsAlloced = 0;	char *chptr;
1053	struct lineElement * element;	int elementsAlloced = 0;
1054	int first = 1;	struct lineElement *element;
1055		int first = 1;
1056
1057	lineFree(line);	lineFree(line);
1058
1059	end = strchr(start, '\n');	end = strchr(start, '\n');
1060	*end = '\0';	*end = '\0';
1061	*bufPtr = end + 1;	*bufPtr = end + 1;
1062
1063	for (chptr = start; *chptr && isspace(*chptr); chptr++) ;	for (chptr = start; *chptr && isspace(*chptr); chptr++) ;
1064
1065	line->indent = strndup(start, chptr - start);	line->indent = strndup(start, chptr - start);
1066	start = chptr;	start = chptr;
1067
1068	while (start < end) {	while (start < end) {
1069	/* we know !isspace(*start) */	/* we know !isspace(*start) */
1070
1071	if (elementsAlloced == line->numElements) {	if (elementsAlloced == line->numElements) {
1072	elementsAlloced += 5;	elementsAlloced += 5;
1073	line->elements = realloc(line->elements,	line->elements = realloc(line->elements,
1074	sizeof(*line->elements) * elementsAlloced);	sizeof(*line->elements) *
1075	}	elementsAlloced);
1076		}
1077
1078	element = line->elements + line->numElements;	element = line->elements + line->numElements;
1079
1080	chptr = start;	chptr = start;
1081	while (*chptr && !isspace(*chptr)) {	while (*chptr && !isspace(*chptr)) {
1082	if (first && *chptr == '=') break;	if (first && *chptr == '=')
1083	chptr++;	break;
1084	}	chptr++;
1085	element->item = strndup(start, chptr - start);	}
1086	start = chptr;	if (line->type == LT_UNIDENTIFIED)
1087		line->type = getTypeByKeyword(start, cfi);
1088		element->item = strndup(start, chptr - start);
1089		start = chptr;
1090
1091		/* lilo actually accepts the pathological case of
1092		* append = " foo " */
1093		if (*start == '=')
1094		chptr = start + 1;
1095		else
1096		chptr = start;
1097
1098	/* lilo actually accepts the pathological case of append = " foo " */	do {
1099	if (*start == '=')	for (; *chptr && isspace(*chptr); chptr++) ;
1100	chptr = start + 1;	if (*chptr == '=')
1101	else	chptr = chptr + 1;
1102	chptr = start;	} while (isspace(*chptr));
	do {
	for (; *chptr && isspace(*chptr); chptr++);
	if (*chptr == '=')
	chptr = chptr + 1;
	} while (isspace(*chptr));
1103
1104	element->indent = strndup(start, chptr - start);	element->indent = strndup(start, chptr - start);
1105	start = chptr;	start = chptr;
1106
1107	line->numElements++;	line->numElements++;
1108	first = 0;	first = 0;
1109	}	}
1110
1111	if (!line->numElements)	if (!line->numElements)
1112	line->type = LT_WHITESPACE;	line->type = LT_WHITESPACE;
1113	else {	else {
1114	line->type = getTypeByKeyword(line->elements[0].item, cfi);	line->type = getTypeByKeyword(line->elements[0].item, cfi);
1115	if (line->type == LT_UNKNOWN) {	if (line->type == LT_UNKNOWN) {
1116	/* zipl does [title] instead of something reasonable like all	/* zipl does [title] instead of something reasonable
1117	* the other boot loaders.  kind of ugly */	* like all the other boot loaders.  kind of ugly */
1118	if (cfi->titleBracketed && isBracketedTitle(line)) {	if (cfi->titleBracketed && isBracketedTitle(line)) {
1119	line->type = LT_TITLE;	line->type = LT_TITLE;
1120	}	}
	/* this is awkward, but we need to be able to handle keywords
	that begin with a # (specifically for #boot in grub.conf),
	but still make comments lines with no elements (everything
	stored in the indent */
	if (*line->elements[0].item == '#') {
	char * fullLine;
	int len;
	len = strlen(line->indent);
	for (int i = 0; i < line->numElements; i++)
	len += strlen(line->elements[i].item) +
	strlen(line->elements[i].indent);
1121
1122	fullLine = malloc(len + 1);	/* this is awkward, but we need to be able to handle
1123	strcpy(fullLine, line->indent);	* keywords that begin with a # (specifically for
1124	free(line->indent);	* #boot in grub.conf), but still make comments lines
1125	line->indent = fullLine;	* with no elements (everything stored in the indent
1126		*/
1127		if (*line->elements[0].item == '#') {
1128		char *fullLine;
1129		int len;
1130
1131		len = strlen(line->indent);
1132		for (int i = 0; i < line->numElements; i++)
1133		len += strlen(line->elements[i].item) +
1134		strlen(line->elements[i].indent);
1135
1136		fullLine = malloc(len + 1);
1137		strcpy(fullLine, line->indent);
1138		free(line->indent);
1139		line->indent = fullLine;
1140
1141		for (int i = 0; i < line->numElements; i++) {
1142		strcat(fullLine,
1143		line->elements[i].item);
1144		strcat(fullLine,
1145		line->elements[i].indent);
1146		free(line->elements[i].item);
1147		free(line->elements[i].indent);
1148		}
1149
1150	for (int i = 0; i < line->numElements; i++) {	line->type = LT_WHITESPACE;
1151	strcat(fullLine, line->elements[i].item);	line->numElements = 0;
1152	strcat(fullLine, line->elements[i].indent);	}
1153	free(line->elements[i].item);	} else if (line->type == LT_INITRD) {
1154	free(line->elements[i].indent);	struct keywordTypes *kw;
	}
1155
1156	line->type = LT_WHITESPACE;	kw = getKeywordByType(line->type, cfi);
	line->numElements = 0;
	}
	} else {
	struct keywordTypes *kw;
1157
1158	kw = getKeywordByType(line->type, cfi);	/* space isn't the only separator, we need to split
1159		* elements up more
1160		*/
1161		if (!isspace(kw->separatorChar)) {
1162		char indent[2] = "";
1163		indent[0] = kw->separatorChar;
1164		for (int i = 1; i < line->numElements; i++) {
1165		char *p;
1166		int numNewElements;
1167
1168		numNewElements = 0;
1169		p = line->elements[i].item;
1170		while (*p != '\0') {
1171		if (*p == kw->separatorChar)
1172		numNewElements++;
1173		p++;
1174		}
1175		if (line->numElements +
1176		numNewElements >= elementsAlloced) {
1177		elementsAlloced +=
1178		numNewElements + 5;
1179		line->elements =
1180		realloc(line->elements,
1181		sizeof(*line->
1182		elements) *
1183		elementsAlloced);
1184		}
1185
1186	/* space isn't the only separator, we need to split	for (int j = line->numElements; j > i;
1187	* elements up more	j--) {
1188	*/	line->elements[j +
1189	if (!isspace(kw->separatorChar)) {	numNewElements] =
1190	char indent[2] = "";	line->elements[j];
1191	indent[0] = kw->separatorChar;	}
1192	for (int i = 1; i < line->numElements; i++) {	line->numElements += numNewElements;
	char *p;
	int numNewElements;
	numNewElements = 0;
	p = line->elements[i].item;
	while (*p != '\0') {
	if (*p == kw->separatorChar)
	numNewElements++;
	p++;
	}
	if (line->numElements + numNewElements >= elementsAlloced) {
	elementsAlloced += numNewElements + 5;
	line->elements = realloc(line->elements,
	sizeof(*line->elements) * elementsAlloced);
	}
	for (int j = line->numElements; j > i; j--) {
	line->elements[j + numNewElements] = line->elements[j];
	}
	line->numElements += numNewElements;
1193
1194	p = line->elements[i].item;	p = line->elements[i].item;
1195	while (*p != '\0') {	while (*p != '\0') {
1196
1197	while (*p != kw->separatorChar && *p != '\0') p++;	while (*p != kw->separatorChar
1198	if (*p == '\0') {	&& *p != '\0')
1199	break;	p++;
1200		if (*p == '\0') {
1201		break;
1202		}
1203
1204		line->elements[i + 1].indent =
1205		line->elements[i].indent;
1206		line->elements[i].indent =
1207		strdup(indent);
1208		*p++ = '\0';
1209		i++;
1210		line->elements[i].item =
1211		strdup(p);
1212		}
1213	}	}
	line->elements[i + 1].indent = line->elements[i].indent;
	line->elements[i].indent = strdup(indent);
	*p++ = '\0';
	i++;
	line->elements[i].item = strdup(p);
1214	}	}
1215	}	} else if (line->type == LT_SET_VARIABLE) {
1216		/* and if it's a "set blah=" we need to split it
1217		* yet a third way to avoid rhbz# XXX FIXME :/
1218		*/
1219		char *eq;
1220		int l;
1221		int numElements = line->numElements;
1222		struct lineElement *newElements;
1223		eq = strchr(line->elements[1].item, '=');
1224		if (!eq)
1225		return 0;
1226		l = eq - line->elements[1].item;
1227		if (eq[1] != 0)
1228		numElements++;
1229		newElements = calloc(numElements,sizeof (*newElements));
1230		memcpy(&newElements[0], &line->elements[0],
1231		sizeof (newElements[0]));
1232		newElements[1].item =
1233		strndup(line->elements[1].item, l);
1234		newElements[1].indent = "=";
1235		*(eq++) = '\0';
1236		newElements[2].item = strdup(eq);
1237		free(line->elements[1].item);
1238		if (line->elements[1].indent)
1239		newElements[2].indent = line->elements[1].indent;
1240		for (int i = 2; i < line->numElements; i++) {
1241		newElements[i+1].item = line->elements[i].item;
1242		newElements[i+1].indent =
1243		line->elements[i].indent;
1244		}
1245		free(line->elements);
1246		line->elements = newElements;
1247		line->numElements = numElements;
1248	}	}
1249	}	}
	}
1250
1251	return 0;	return 0;
1252	}	}
1253
1254	static int isnumber(const char *s)	static int isnumber(const char *s)
1255	{	{
1256	int i;	int i;
1257	for (i = 0; s[i] != '\0'; i++)	for (i = 0; s[i] != '\0'; i++)
1258	if (s[i] < '0' || s[i] > '9')	if (s[i] < '0' || s[i] > '9')
1259	return 0;	return 0;
1260	return i;	return i;
1261	}	}
1262
1263	static struct grubConfig * readConfig(const char * inName,	static struct grubConfig *readConfig(const char *inName,
1264	struct configFileInfo * cfi) {	struct configFileInfo *cfi)
1265	int in;	{
1266	char * incoming = NULL, * head;	int in;
1267	int rc;	char *incoming = NULL, *head;
1268	int sawEntry = 0;	int rc;
1269	int movedLine = 0;	int sawEntry = 0;
1270	struct grubConfig * cfg;	int movedLine = 0;
1271	struct singleLine * last = NULL, * line, * defaultLine = NULL;	struct grubConfig *cfg;
1272	char * end;	struct singleLine *last = NULL, *line, *defaultLine = NULL;
1273	struct singleEntry * entry = NULL;	char *end;
1274	int len;	struct singleEntry *entry = NULL;
1275	char * buf;	int len;
1276		char *buf;
1277	if (inName == NULL) {
1278	printf("Could not find bootloader configuration\n");	if (inName == NULL) {
1279	exit(1);	printf("Could not find bootloader configuration\n");
1280	} else if (!strcmp(inName, "-")) {	exit(1);
1281	in = 0;	} else if (!strcmp(inName, "-")) {
1282	} else {	in = 0;
1283	if ((in = open(inName, O_RDONLY)) < 0) {	} else {
1284	fprintf(stderr, _("error opening %s for read: %s\n"),	if ((in = open(inName, O_RDONLY)) < 0) {
1285	inName, strerror(errno));	fprintf(stderr, _("error opening %s for read: %s\n"),
1286	return NULL;	inName, strerror(errno));
1287		return NULL;
1288		}
1289	}	}
	}
	rc = readFile(in, &incoming);
	close(in);
	if (rc) return NULL;
	head = incoming;
	cfg = malloc(sizeof(*cfg));
	cfg->primaryIndent = strdup("");
	cfg->secondaryIndent = strdup("\t");
	cfg->flags = GRUB_CONFIG_NO_DEFAULT;
	cfg->cfi = cfi;
	cfg->theLines = NULL;
	cfg->entries = NULL;
	cfg->fallbackImage = 0;
	/* copy everything we have */
	while (*head) {
	line = malloc(sizeof(*line));
	lineInit(line);
1290
1291	if (getNextLine(&head, line, cfi)) {	rc = readFile(in, &incoming);
1292	free(line);	close(in);
1293	/* XXX memory leak of everything in cfg */	if (rc)
1294	return NULL;	return NULL;
1295	}
1296		head = incoming;
1297	if (!sawEntry && line->numElements) {	cfg = malloc(sizeof(*cfg));
1298	free(cfg->primaryIndent);	cfg->primaryIndent = strdup("");
1299	cfg->primaryIndent = strdup(line->indent);	cfg->secondaryIndent = strdup("\t");
1300	} else if (line->numElements) {	cfg->flags = GRUB_CONFIG_NO_DEFAULT;
1301	free(cfg->secondaryIndent);	cfg->cfi = cfi;
1302	cfg->secondaryIndent = strdup(line->indent);	cfg->theLines = NULL;
1303	}	cfg->entries = NULL;
1304		cfg->fallbackImage = 0;
1305	if (isEntryStart(line, cfi) || (cfg->entries && !sawEntry)) {	cfg->isModified = 0;
1306	sawEntry = 1;
1307	if (!entry) {	/* copy everything we have */
1308	cfg->entries = malloc(sizeof(*entry));	while (*head) {
1309	entry = cfg->entries;	line = malloc(sizeof(*line));
1310	} else {	lineInit(line);
1311	entry->next = malloc(sizeof(*entry));
1312	entry = entry->next;	if (getNextLine(&head, line, cfi)) {
1313	}	free(line);
1314		/* XXX memory leak of everything in cfg */
1315	entry->skip = 0;	return NULL;
1316	entry->multiboot = 0;	}
	entry->lines = NULL;
	entry->next = NULL;
	}
	if (line->type == LT_SET_VARIABLE) {
	dbgPrintf("found 'set' command (%d elements): ", line->numElements);
	dbgPrintf("%s", line->indent);
	for (int i = 0; i < line->numElements; i++)
	dbgPrintf("\"%s\"%s", line->elements[i].item, line->elements[i].indent);
	dbgPrintf("\n");
	struct keywordTypes *kwType = getKeywordByType(LT_DEFAULT, cfi);
	if (kwType && line->numElements == 3 &&
	!strcmp(line->elements[1].item, kwType->key) &&
	!is_special_grub2_variable(line->elements[2].item)) {
	dbgPrintf("Line sets default config\n");
	cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;
	defaultLine = line;
	}
	} else if (iskernel(line->type)) {
	/* if by some freak chance this is multiboot and the "module"
	* lines came earlier in the template, make sure to use LT_HYPER
	* instead of LT_KERNEL now
	*/
	if (entry && entry->multiboot)
	line->type = LT_HYPER;
	} else if (line->type == LT_MBMODULE) {
	/* go back and fix the LT_KERNEL line to indicate LT_HYPER
	* instead, now that we know this is a multiboot entry.
	* This only applies to grub, but that's the only place we
	* should find LT_MBMODULE lines anyway.
	*/
	for (struct singleLine *l = entry->lines; l; l = l->next) {
	if (l->type == LT_HYPER)
	break;
	else if (iskernel(l->type)) {
	l->type = LT_HYPER;
	break;
	}
	}
	entry->multiboot = 1;
	} else if (line->type == LT_HYPER) {
	entry->multiboot = 1;
	} else if (line->type == LT_FALLBACK && line->numElements == 2) {
	cfg->fallbackImage = strtol(line->elements[1].item, &end, 10);
	if (*end) cfg->fallbackImage = -1;
	} else if ((line->type == LT_DEFAULT && cfi->defaultIsUnquoted) ||
	(line->type == LT_TITLE && line->numElements > 1)) {
	/* make the title/default a single argument (undoing our parsing) */
	len = 0;
	for (int i = 1; i < line->numElements; i++) {
	len += strlen(line->elements[i].item);
	len += strlen(line->elements[i].indent);
	}
	buf = malloc(len + 1);
	*buf = '\0';
1317
1318	for (int i = 1; i < line->numElements; i++) {	if (!sawEntry && line->numElements) {
1319	strcat(buf, line->elements[i].item);	free(cfg->primaryIndent);
1320	free(line->elements[i].item);	cfg->primaryIndent = strdup(line->indent);
1321		} else if (line->numElements) {
1322		free(cfg->secondaryIndent);
1323		cfg->secondaryIndent = strdup(line->indent);
1324		}
1325
1326	if ((i + 1) != line->numElements) {	if (isEntryStart(line, cfi) || (cfg->entries && !sawEntry)) {
1327	strcat(buf, line->elements[i].indent);	sawEntry = 1;
1328	free(line->elements[i].indent);	if (!entry) {
1329	}	cfg->entries = malloc(sizeof(*entry));
1330	}	entry = cfg->entries;
1331		} else {
1332	line->elements[1].indent =	entry->next = malloc(sizeof(*entry));
1333	line->elements[line->numElements - 1].indent;	entry = entry->next;
1334	line->elements[1].item = buf;	}
	line->numElements = 2;
	} else if (line->type == LT_MENUENTRY && line->numElements > 3) {
	/* let --remove-kernel="TITLE=what" work */
	len = 0;
	char *extras;
	char *title;
	for (int i = 1; i < line->numElements; i++) {
	len += strlen(line->elements[i].item);
	len += strlen(line->elements[i].indent);
	}
	buf = malloc(len + 1);
	*buf = '\0';
	/* allocate mem for extra flags. */
	extras = malloc(len + 1);
	*extras = '\0';
	/* get title. */
	for (int i = 0; i < line->numElements; i++) {
	if (!strcmp(line->elements[i].item, "menuentry"))
	continue;
	if (isquote(*line->elements[i].item))
	title = line->elements[i].item + 1;
	else
	title = line->elements[i].item;
1335
1336	len = strlen(title);	entry->skip = 0;
1337	if (isquote(title[len-1])) {	entry->multiboot = 0;
1338	strncat(buf, title,len-1);	entry->lines = NULL;
1339	break;	entry->next = NULL;
	} else {
	strcat(buf, title);
	strcat(buf, line->elements[i].indent);
1340	}	}
	}
	/* get extras */
	int count = 0;
	for (int i = 0; i < line->numElements; i++) {
	if (count >= 2) {
	strcat(extras, line->elements[i].item);
	strcat(extras, line->elements[i].indent);
	}
	if (!strcmp(line->elements[i].item, "menuentry"))
	continue;
	/* count ' or ", there should be two in menuentry line. */
	if (isquote(*line->elements[i].item))
	count++;
	len = strlen(line->elements[i].item);
	if (isquote(line->elements[i].item[len -1]))
	count++;
	/* ok, we get the final ' or ", others are extras. */
	}
	line->elements[1].indent =
	line->elements[line->numElements - 2].indent;
	line->elements[1].item = buf;
	line->elements[2].indent =
	line->elements[line->numElements - 2].indent;
	line->elements[2].item = extras;
	line->numElements = 3;
	} else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) {
	/* Strip off any " which may be present; they'll be put back
	on write. This is one of the few (the only?) places that grubby
	canonicalizes the output */
	if (line->numElements >= 2) {
	int last, len;
	if (isquote(*line->elements[1].item))
	memmove(line->elements[1].item, line->elements[1].item + 1,
	strlen(line->elements[1].item + 1) + 1);
	last = line->numElements - 1;
	len = strlen(line->elements[last].item) - 1;
	if (isquote(line->elements[last].item[len]))
	line->elements[last].item[len] = '\0';
	}
	}
	if (line->type == LT_DEFAULT && line->numElements == 2) {
	cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;
	defaultLine = line;
	}
	/* If we find a generic config option which should live at the
	top of the file, move it there. Old versions of grubby were
	probably responsible for putting new images in the wrong
	place in front of it anyway. */
	if (sawEntry && line->type == LT_GENERIC) {
	struct singleLine **l = &cfg->theLines;
	struct singleLine **last_nonws = &cfg->theLines;
	while (*l) {
	if ((*l)->type != LT_WHITESPACE)
	last_nonws = &((*l)->next);
	l = &((*l)->next);
	}
	line->next = *last_nonws;
	*last_nonws = line;
	movedLine = 1;
	continue; /* without setting 'last' */
	}
	/* If a second line of whitespace happens after a generic option
	which was moved, drop it. */
	if (movedLine && line->type == LT_WHITESPACE && last->type == LT_WHITESPACE) {
	lineFree(line);
	free(line);
	movedLine = 0;
	continue;
	}
	movedLine = 0;
1341
1342	if (sawEntry) {	if (line->type == LT_SET_VARIABLE) {
1343	if (!entry->lines)	dbgPrintf("found 'set' command (%d elements): ",
1344	entry->lines = line;	line->numElements);
1345	else	dbgPrintf("%s", line->indent);
1346	last->next = line;	for (int i = 0; i < line->numElements; i++)
1347	dbgPrintf("readConfig added %s to %p\n", getKeyByType(line->type, cfi), entry);	dbgPrintf("\"%s\"%s", line->elements[i].item,
1348		line->elements[i].indent);
1349	/* we could have seen this outside of an entry... if so, we	dbgPrintf("\n");
1350	* ignore it like any other line we don't grok */	struct keywordTypes *kwType =
1351	if (line->type == LT_ENTRY_END && sawEntry)	getKeywordByType(LT_DEFAULT, cfi);
1352	sawEntry = 0;	if (kwType && line->numElements == 3
1353	} else {	&& !strcmp(line->elements[1].item, kwType->key)
1354	if (!cfg->theLines)	&& !is_special_grub2_variable(
1355	cfg->theLines = line;	line->elements[2].item)) {
1356	else	dbgPrintf("Line sets default config\n");
1357	last->next = line;	cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;
1358	dbgPrintf("readConfig added %s to cfg\n", getKeyByType(line->type, cfi));	defaultLine = line;
1359	}	}
1360		} else if (iskernel(line->type)) {
1361		/* if by some freak chance this is multiboot and the
1362		* "module" lines came earlier in the template, make
1363		* sure to use LT_HYPER instead of LT_KERNEL now
1364		*/
1365		if (entry && entry->multiboot)
1366		line->type = LT_HYPER;
1367
1368	last = line;	} else if (line->type == LT_MBMODULE) {
1369	}	/* go back and fix the LT_KERNEL line to indicate
1370		* LT_HYPER instead, now that we know this is a
1371		* multiboot entry.  This only applies to grub, but
1372		* that's the only place we should find LT_MBMODULE
1373		* lines anyway.
1374		*/
1375		for (struct singleLine * l = entry->lines; l;
1376		l = l->next) {
1377		if (l->type == LT_HYPER)
1378		break;
1379		else if (iskernel(l->type)) {
1380		l->type = LT_HYPER;
1381		break;
1382		}
1383		}
1384		entry->multiboot = 1;
1385
1386	free(incoming);	} else if (line->type == LT_HYPER) {
1387		entry->multiboot = 1;
1388
1389	dbgPrintf("defaultLine is %s\n", defaultLine ? "set" : "unset");	} else if (line->type == LT_FALLBACK && line->numElements == 2) {
1390	if (defaultLine) {	cfg->fallbackImage =
1391	if (defaultLine->numElements > 2 &&	strtol(line->elements[1].item, &end, 10);
1392	cfi->defaultSupportSaved &&	if (*end)
1393	!strncmp(defaultLine->elements[2].item,"\"${saved_entry}\"", 16)) {	cfg->fallbackImage = -1;
1394	cfg->cfi->defaultIsSaved = 1;
1395	cfg->defaultImage = DEFAULT_SAVED_GRUB2;	} else if ((line->type == LT_DEFAULT && cfi->defaultIsUnquoted)
1396	if (cfg->cfi->getEnv) {	|| (line->type == LT_TITLE
1397	char *defTitle = cfi->getEnv(cfg->cfi, "saved_entry");	&& line->numElements > 1)) {
1398	if (defTitle) {	/* make the title/default a single argument (undoing
1399	int index = 0;	* our parsing) */
1400	if (isnumber(defTitle)) {	len = 0;
1401	index = atoi(defTitle);	for (int i = 1; i < line->numElements; i++) {
1402	entry = findEntryByIndex(cfg, index);	len += strlen(line->elements[i].item);
1403	} else {	len += strlen(line->elements[i].indent);
	entry = findEntryByTitle(cfg, defTitle, &index);
1404	}	}
1405	if (entry)	buf = malloc(len + 1);
1406	cfg->defaultImage = index;	*buf = '\0';
	}
	}
	} else if (cfi->defaultIsVariable) {
	char *value = defaultLine->elements[2].item;
	while (*value && (*value == '"' || *value == '\'' ||
	*value == ' ' || *value == '\t'))
	value++;
	cfg->defaultImage = strtol(value, &end, 10);
	while (*end && (*end == '"' || *end == '\'' ||
	*end == ' ' || *end == '\t'))
	end++;
	if (*end) cfg->defaultImage = -1;
	} else if (cfi->defaultSupportSaved &&
	!strncmp(defaultLine->elements[1].item, "saved", 5)) {
	cfg->defaultImage = DEFAULT_SAVED;
	} else if (cfi->defaultIsIndex) {
	cfg->defaultImage = strtol(defaultLine->elements[1].item, &end, 10);
	if (*end) cfg->defaultImage = -1;
	} else if (defaultLine->numElements >= 2) {
	int i = 0;
	while ((entry = findEntryByIndex(cfg, i))) {
	for (line = entry->lines; line; line = line->next)
	if (line->type == LT_TITLE) break;
	if (!cfi->titleBracketed) {
	if (line && (line->numElements >= 2) &&
	!strcmp(defaultLine->elements[1].item,
	line->elements[1].item)) break;
	} else if (line) {
	if (!strcmp(defaultLine->elements[1].item,
	extractTitle(line))) break;
	}
	i++;
	entry = NULL;
	}
1407
1408	if (entry){	for (int i = 1; i < line->numElements; i++) {
1409	cfg->defaultImage = i;	strcat(buf, line->elements[i].item);
1410	}else{	free(line->elements[i].item);
1411	cfg->defaultImage = -1;
1412	}	if ((i + 1) != line->numElements) {
1413	}	strcat(buf, line->elements[i].indent);
1414	} else if (cfg->cfi->defaultIsSaved && cfg->cfi->getEnv) {	free(line->elements[i].indent);
1415	char *defTitle = cfi->getEnv(cfg->cfi, "saved_entry");	}
1416	if (defTitle) {	}
	int index = 0;
	if (isnumber(defTitle)) {
	index = atoi(defTitle);
	entry = findEntryByIndex(cfg, index);
	} else {
	entry = findEntryByTitle(cfg, defTitle, &index);
	}
	if (entry)
	cfg->defaultImage = index;
	}
	} else {
	cfg->defaultImage = 0;
	}
1417
1418	return cfg;	line->elements[1].indent =
1419	}	line->elements[line->numElements - 1].indent;
1420		line->elements[1].item = buf;
1421		line->numElements = 2;
1422		} else if (line->type == LT_MENUENTRY && line->numElements > 3) {
1423		/* let --remove-kernel="TITLE=what" work */
1424		len = 0;
1425		char *extras;
1426		char *title;
1427		/* initially unseen value */
1428		char quote_char = '\0';
1429
1430		for (int i = 1; i < line->numElements; i++) {
1431		len += strlen(line->elements[i].item);
1432		len += strlen(line->elements[i].indent);
1433		}
1434		buf = malloc(len + 1);
1435		*buf = '\0';
1436
1437	static void writeDefault(FILE * out, char * indent,	/* allocate mem for extra flags. */
1438	char * separator, struct grubConfig * cfg) {	extras = malloc(len + 1);
1439	struct singleEntry * entry;	*extras = '\0';
1440	struct singleLine * line;
1441	int i;	/* get title. */
1442		for (int i = 0; i < line->numElements; i++) {
1443	if (!cfg->defaultImage && cfg->flags == GRUB_CONFIG_NO_DEFAULT) return;	if (!strcmp
1444		(line->elements[i].item, "menuentry"))
1445	if (cfg->defaultImage == DEFAULT_SAVED)	continue;
1446	fprintf(out, "%sdefault%ssaved\n", indent, separator);	if (isquote(*line->elements[i].item)
1447	else if (cfg->cfi->defaultIsSaved) {	&& quote_char == '\0') {
1448	fprintf(out, "%sset default=\"${saved_entry}\"\n", indent);	/* ensure we properly pair off quotes */
1449	if (cfg->defaultImage >= 0 && cfg->cfi->setEnv) {	quote_char = *line->elements[i].item;
1450	char *title;	title = line->elements[i].item + 1;
1451	entry = findEntryByIndex(cfg, cfg->defaultImage);	} else {
1452	line = getLineByType(LT_MENUENTRY, entry->lines);	title = line->elements[i].item;
1453	if (!line)	}
	line = getLineByType(LT_TITLE, entry->lines);
	if (line) {
	title = extractTitle(line);
	if (title)
	cfg->cfi->setEnv(cfg->cfi, "saved_entry", title);
	}
	}
	} else if (cfg->defaultImage > -1) {
	if (cfg->cfi->defaultIsIndex) {
	if (cfg->cfi->defaultIsVariable) {
	fprintf(out, "%sset default=\"%d\"\n", indent,
	cfg->defaultImage);
	} else {
	fprintf(out, "%sdefault%s%d\n", indent, separator,
	cfg->defaultImage);
	}
	} else {
	int image = cfg->defaultImage;
1454
1455	entry = cfg->entries;	len = strlen(title);
1456	while (entry && entry->skip) entry = entry->next;	if (title[len - 1] == quote_char) {
1457		strncat(buf, title, len - 1);
1458		break;
1459		} else {
1460		strcat(buf, title);
1461		strcat(buf, line->elements[i].indent);
1462		}
1463		}
1464
1465	i = 0;	/* get extras */
1466	while (entry && i < image) {	int count = 0;
1467	entry = entry->next;	quote_char = '\0';
1468		for (int i = 0; i < line->numElements; i++) {
1469		if (count >= 2) {
1470		strcat(extras, line->elements[i].item);
1471		strcat(extras,
1472		line->elements[i].indent);
1473		}
1474
1475	while (entry && entry->skip) entry = entry->next;	if (!strcmp
1476	i++;	(line->elements[i].item, "menuentry"))
1477	}	continue;
1478
1479		/* count ' or ", there should be two in menuentry line. */
1480		if (isquote(*line->elements[i].item)
1481		&& quote_char == '\0') {
1482		/* ensure we properly pair off quotes */
1483		quote_char = *line->elements[i].item;
1484		count++;
1485		}
1486
1487	if (!entry) return;	len = strlen(line->elements[i].item);
1488
1489	line = getLineByType(LT_TITLE, entry->lines);	if (line->elements[i].item[len - 1] ==
1490		quote_char)
1491		count++;
1492
1493	if (line && line->numElements >= 2)	/* ok, we get the final ' or ", others are extras. */
1494	fprintf(out, "%sdefault%s%s\n", indent, separator,	}
1495	line->elements[1].item);	line->elements[1].indent =
1496	else if (line && (line->numElements == 1) &&	line->elements[line->numElements - 2].indent;
1497	cfg->cfi->titleBracketed) {	line->elements[1].item = buf;
1498	fprintf(out, "%sdefault%s%s\n", indent, separator,	line->elements[2].indent =
1499	extractTitle(line));	line->elements[line->numElements - 2].indent;
1500	}	line->elements[2].item = extras;
1501	}	line->numElements = 3;
1502	}	} else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) {
1503	}	/* Strip off any " which may be present; they'll be
1504		* put back on write. This is one of the few (the
1505		* only?) places that grubby canonicalizes the output
1506		*/
1507		if (line->numElements >= 2) {
1508		int last, len;
1509
1510	static int writeConfig(struct grubConfig * cfg, char * outName,	if (isquote(*line->elements[1].item))
1511	const char * prefix) {	memmove(line->elements[1].item,
1512	FILE * out;	line->elements[1].item + 1,
1513	struct singleLine * line;	strlen(line->elements[1].item +
1514	struct singleEntry * entry;	1) + 1);
1515	char * tmpOutName;
1516	int needs = MAIN_DEFAULT;	last = line->numElements - 1;
1517	struct stat sb;	len = strlen(line->elements[last].item) - 1;
1518	int i;	if (isquote(line->elements[last].item[len]))
1519		line->elements[last].item[len] = '\0';
1520	if (!strcmp(outName, "-")) {	}
1521	out = stdout;	}
	tmpOutName = NULL;
	} else {
	if (!lstat(outName, &sb) && S_ISLNK(sb.st_mode)) {
	char * buf;
	int len = 256;
	int rc;
	/* most likely the symlink is relative, so change our
	directory to the dir of the symlink */
	char *dir = strdupa(outName);
	rc = chdir(dirname(dir));
	do {
	buf = alloca(len + 1);
	rc = readlink(basename(outName), buf, len);
	if (rc == len) len += 256;
	} while (rc == len);
	if (rc < 0) {
	fprintf(stderr, _("grubby: error readlink link %s: %s\n"),
	outName, strerror(errno));
	return 1;
	}
	outName = buf;
	outName[rc] = '\0';
	}
	tmpOutName = alloca(strlen(outName) + 2);
	sprintf(tmpOutName, "%s-", outName);
	out = fopen(tmpOutName, "w");
	if (!out) {
	fprintf(stderr, _("grubby: error creating %s: %s\n"), tmpOutName,
	strerror(errno));
	return 1;
	}
	if (!stat(outName, &sb)) {
	if (chmod(tmpOutName, sb.st_mode & ~(S_IFMT))) {
	fprintf(stderr, _("grubby: error setting perms on %s: %s\n"),
	tmpOutName, strerror(errno));
	fclose(out);
	unlink(tmpOutName);
	return 1;
	}
	}
	}
1522
1523	line = cfg->theLines;	if (line->type == LT_DEFAULT && line->numElements == 2) {
1524	struct keywordTypes *defaultKw = getKeywordByType(LT_DEFAULT, cfg->cfi);	cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;
1525	while (line) {	defaultLine = line;
1526	if (line->type == LT_SET_VARIABLE && defaultKw &&	}
	line->numElements == 3 &&
	!strcmp(line->elements[1].item, defaultKw->key) &&
	!is_special_grub2_variable(line->elements[2].item)) {
	writeDefault(out, line->indent, line->elements[0].indent, cfg);
	needs &= ~MAIN_DEFAULT;
	} else if (line->type == LT_DEFAULT) {
	writeDefault(out, line->indent, line->elements[0].indent, cfg);
	needs &= ~MAIN_DEFAULT;
	} else if (line->type == LT_FALLBACK) {
	if (cfg->fallbackImage > -1)
	fprintf(out, "%s%s%s%d\n", line->indent,
	line->elements[0].item, line->elements[0].indent,
	cfg->fallbackImage);
	} else {
	if (lineWrite(out, line, cfg->cfi) == -1) {
	fprintf(stderr, _("grubby: error writing %s: %s\n"),
	tmpOutName, strerror(errno));
	fclose(out);
	unlink(tmpOutName);
	return 1;
	}
	}
1527
1528	line = line->next;	/* If we find a generic config option which should live at the
1529	}	top of the file, move it there. Old versions of grubby were
1530		probably responsible for putting new images in the wrong
1531		place in front of it anyway. */
1532		if (sawEntry && line->type == LT_GENERIC) {
1533		struct singleLine **l = &cfg->theLines;
1534		struct singleLine **last_nonws = &cfg->theLines;
1535		while (*l) {
1536		if ((*l)->type != LT_WHITESPACE)
1537		last_nonws = &((*l)->next);
1538		l = &((*l)->next);
1539		}
1540		line->next = *last_nonws;
1541		*last_nonws = line;
1542		movedLine = 1;
1543		continue; /* without setting 'last' */
1544		}
1545
1546	if (needs & MAIN_DEFAULT) {	/* If a second line of whitespace happens after a generic
1547	writeDefault(out, cfg->primaryIndent, "=", cfg);	* option which was moved, drop it. */
1548	needs &= ~MAIN_DEFAULT;	if (movedLine && line->type == LT_WHITESPACE
1549	}	&& last->type == LT_WHITESPACE) {
1550		lineFree(line);
1551		free(line);
1552		movedLine = 0;
1553		continue;
1554		}
1555		movedLine = 0;
1556
1557	i = 0;	if (sawEntry) {
1558	while ((entry = findEntryByIndex(cfg, i++))) {	if (!entry->lines)
1559	if (entry->skip) continue;	entry->lines = line;
1560		else
1561		last->next = line;
1562		dbgPrintf("readConfig added %s to %p\n",
1563		getKeyByType(line->type, cfi), entry);
1564
1565	line = entry->lines;	/* we could have seen this outside of an entry... if
1566	while (line) {	* so, we ignore it like any other line we don't grok
1567	if (lineWrite(out, line, cfg->cfi) == -1) {	*/
1568	fprintf(stderr, _("grubby: error writing %s: %s\n"),	if (line->type == LT_ENTRY_END && sawEntry)
1569	tmpOutName, strerror(errno));	sawEntry = 0;
1570	fclose(out);	} else {
1571	unlink(tmpOutName);	if (!cfg->theLines)
1572	return 1;	cfg->theLines = line;
1573	}	else
1574	line = line->next;	last->next = line;
1575	}	dbgPrintf("readConfig added %s to cfg\n",
1576	}	getKeyByType(line->type, cfi));
1577		}
1578
1579	if (tmpOutName) {	last = line;
	if (rename(tmpOutName, outName)) {
	fprintf(stderr, _("grubby: error moving %s to %s: %s\n"),
	tmpOutName, outName, strerror(errno));
	unlink(outName);
	return 1;
1580	}	}
	}
1581
1582	return 0;	free(incoming);
	}
1583
1584	static int numEntries(struct grubConfig *cfg) {	dbgPrintf("defaultLine is %s\n", defaultLine ? "set" : "unset");
1585	int i = 0;	if (defaultLine) {
1586	struct singleEntry * entry;	if (defaultLine->numElements > 2 &&
1587		cfi->defaultSupportSaved &&
1588	entry = cfg->entries;	!strncmp(defaultLine->elements[2].item,
1589	while (entry) {	"\"${saved_entry}\"", 16)) {
1590	if (!entry->skip)	cfg->cfi->defaultIsSaved = 1;
1591	i++;	cfg->defaultImage = DEFAULT_SAVED_GRUB2;
1592	entry = entry->next;	if (cfg->cfi->getEnv) {
1593	}	char *defTitle =
1594	return i;	cfi->getEnv(cfg->cfi, "saved_entry");
1595	}	if (defTitle) {
1596		int index = 0;
1597		if (isnumber(defTitle)) {
1598		index = atoi(defTitle);
1599		entry =
1600		findEntryByIndex(cfg,
1601		index);
1602		} else {
1603		entry =
1604		findEntryByTitle(cfg,
1605		defTitle,
1606		&index);
1607		}
1608		if (entry)
1609		cfg->defaultImage = index;
1610		}
1611		}
1612		} else if (cfi->defaultIsVariable) {
1613		if (defaultLine->numElements == 2) {
1614		char *value = defaultLine->elements[1].item + 8;
1615		while (*value && (*value == '"' ||
1616		*value == '\'' ||
1617		*value == ' ' ||
1618		*value == '\t'))
1619		value++;
1620		cfg->defaultImage = strtol(value, &end, 10);
1621		while (*end && (*end == '"' || *end == '\'' ||
1622		*end == ' ' || *end == '\t'))
1623		end++;
1624		if (*end)
1625		cfg->defaultImage = NO_DEFAULT_ENTRY;
1626		} else if (defaultLine->numElements == 3) {
1627		char *value = defaultLine->elements[2].item;
1628		while (*value && (*value == '"' ||
1629		*value == '\'' ||
1630		*value == ' ' ||
1631		*value == '\t'))
1632		value++;
1633		cfg->defaultImage = strtol(value, &end, 10);
1634		while (*end && (*end == '"' || *end == '\'' ||
1635		*end == ' ' || *end == '\t'))
1636		end++;
1637		if (*end)
1638		cfg->defaultImage = NO_DEFAULT_ENTRY;
1639		}
1640		} else if (cfi->defaultSupportSaved &&
1641		!strncmp(defaultLine->elements[1].item, "saved",
1642		5)) {
1643		cfg->defaultImage = DEFAULT_SAVED;
1644		} else if (cfi->defaultIsIndex) {
1645		cfg->defaultImage =
1646		strtol(defaultLine->elements[1].item, &end, 10);
1647		if (*end)
1648		cfg->defaultImage = NO_DEFAULT_ENTRY;
1649		} else if (defaultLine->numElements >= 2) {
1650		int i = 0;
1651		while ((entry = findEntryByIndex(cfg, i))) {
1652		for (line = entry->lines; line;
1653		line = line->next)
1654		if (line->type == LT_TITLE)
1655		break;
1656
1657		if (!cfi->titleBracketed) {
1658		if (line && (line->numElements >= 2) &&
1659		!strcmp(defaultLine->elements[1].
1660		item,
1661		line->elements[1].item))
1662		break;
1663		} else if (line) {
1664		if (!strcmp
1665		(defaultLine->elements[1].item,
1666		extractTitle(cfg, line)))
1667		break;
1668		}
1669		i++;
1670		entry = NULL;
1671		}
1672
1673	static char *findDiskForRoot()	if (entry) {
1674		cfg->defaultImage = i;
1675		} else {
1676		cfg->defaultImage = NO_DEFAULT_ENTRY;
1677		}
1678		}
1679		} else if (cfg->cfi->defaultIsSaved && cfg->cfi->getEnv) {
1680		char *defTitle = cfi->getEnv(cfg->cfi, "saved_entry");
1681		if (defTitle) {
1682		int index = 0;
1683		if (isnumber(defTitle)) {
1684		index = atoi(defTitle);
1685		entry = findEntryByIndex(cfg, index);
1686		} else {
1687		entry = findEntryByTitle(cfg, defTitle, &index);
1688		}
1689		if (entry)
1690		cfg->defaultImage = index;
1691		}
1692		} else {
1693		cfg->defaultImage = FIRST_ENTRY_INDEX;
1694		}
1695
1696		return cfg;
1697		}
1698
1699		static void writeDefault(FILE * out, char *indent,
1700		char *separator, struct grubConfig *cfg)
1701	{	{
1702	int fd;	struct singleEntry *entry;
1703	char buf[65536];	struct singleLine *line;
1704	char *devname;	int i;
1705	char *chptr;
1706	int rc;	if (!cfg->defaultImage && cfg->flags == GRUB_CONFIG_NO_DEFAULT)
1707		return;
1708
1709		if (cfg->defaultImage == DEFAULT_SAVED)
1710		fprintf(out, "%sdefault%ssaved\n", indent, separator);
1711		else if (cfg->cfi->defaultIsSaved) {
1712		fprintf(out, "%sset default=\"${saved_entry}\"\n", indent);
1713		if (cfg->defaultImage >= FIRST_ENTRY_INDEX && cfg->cfi->setEnv) {
1714		char *title;
1715		int trueIndex, currentIndex;
1716
1717		trueIndex = 0;
1718		currentIndex = 0;
1719
1720		while ((entry = findEntryByIndex(cfg, currentIndex))) {
1721		if (!entry->skip) {
1722		if (trueIndex == cfg->defaultImage) {
1723		break;
1724		}
1725		trueIndex++;
1726		}
1727		currentIndex++;
1728		}
1729		line = getLineByType(LT_MENUENTRY, entry->lines);
1730		if (!line)
1731		line = getLineByType(LT_TITLE, entry->lines);
1732		if (line) {
1733		title = extractTitle(cfg, line);
1734		if (title)
1735		cfg->cfi->setEnv(cfg->cfi,
1736		"saved_entry", title);
1737		}
1738		}
1739		} else if (cfg->defaultImage >= FIRST_ENTRY_INDEX) {
1740		if (cfg->cfi->defaultIsIndex) {
1741		if (cfg->cfi->defaultIsVariable) {
1742		fprintf(out, "%sset default=\"%d\"\n", indent,
1743		cfg->defaultImage);
1744		} else {
1745		fprintf(out, "%sdefault%s%d\n", indent,
1746		separator, cfg->defaultImage);
1747		}
1748		} else {
1749		int image = cfg->defaultImage;
1750
1751	if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) {	entry = cfg->entries;
1752	fprintf(stderr, "grubby: failed to open %s: %s\n",	while (entry && entry->skip)
1753	_PATH_MOUNTED, strerror(errno));	entry = entry->next;
1754	return NULL;
1755	}	i = 0;
1756		while (entry && i < image) {
1757		entry = entry->next;
1758
1759	rc = read(fd, buf, sizeof(buf) - 1);	while (entry && entry->skip)
1760	if (rc <= 0) {	entry = entry->next;
1761	fprintf(stderr, "grubby: failed to read %s: %s\n",	i++;
1762	_PATH_MOUNTED, strerror(errno));	}
	close(fd);
	return NULL;
	}
	close(fd);
	buf[rc] = '\0';
	chptr = buf;
	char *foundanswer = NULL;
	while (chptr && chptr != buf+rc) {
	devname = chptr;
	/*
	* The first column of a mtab entry is the device, but if the entry is a
	* special device it won't start with /, so move on to the next line.
	*/
	if (*devname != '/') {
	chptr = strchr(chptr, '\n');
	if (chptr)
	chptr++;
	continue;
	}
	/* Seek to the next space */
	chptr = strchr(chptr, ' ');
	if (!chptr) {
	fprintf(stderr, "grubby: error parsing %s: %s\n",
	_PATH_MOUNTED, strerror(errno));
	return NULL;
	}
	/*
	* The second column of a mtab entry is the mount point, we are looking
	* for '/' obviously.
	*/
	if (*(++chptr) == '/' && *(++chptr) == ' ') {
	/* remember the last / entry in mtab */
	foundanswer = devname;
	}
	/* Next line */
	chptr = strchr(chptr, '\n');
	if (chptr)
	chptr++;
	}
1763
1764	/* Return the last / entry found */	if (!entry)
1765	if (foundanswer) {	return;
1766	chptr = strchr(foundanswer, ' ');
1767	*chptr = '\0';	line = getLineByType(LT_TITLE, entry->lines);
	return strdup(foundanswer);
	}
1768
1769	return NULL;	if (line && line->numElements >= 2)
1770		fprintf(out, "%sdefault%s%s\n", indent,
1771		separator, line->elements[1].item);
1772		else if (line && (line->numElements == 1)
1773		&& cfg->cfi->titleBracketed) {
1774		char *title = extractTitle(cfg, line);
1775		if (title) {
1776		fprintf(out, "%sdefault%s%s\n", indent,
1777		separator, title);
1778		free(title);
1779		}
1780		}
1781		}
1782		}
1783	}	}
1784
1785	void printEntry(struct singleEntry * entry, FILE *f) {	static int writeConfig(struct grubConfig *cfg, char *outName,
1786	int i;	const char *prefix)
1787	struct singleLine * line;	{
1788		FILE *out;
1789		struct singleLine *line;
1790		struct singleEntry *entry;
1791		char *tmpOutName;
1792		int needs = MAIN_DEFAULT;
1793		struct stat sb;
1794		int i;
1795		int rc = 0;
1796
1797		if (!strcmp(outName, "-")) {
1798		out = stdout;
1799		tmpOutName = NULL;
1800		} else {
1801		if (!lstat(outName, &sb) && S_ISLNK(sb.st_mode)) {
1802		char *buf;
1803		int len = 256;
1804		int rc;
1805
1806		/* most likely the symlink is relative, so change our
1807		directory to the dir of the symlink */
1808		char *dir = strdupa(outName);
1809		rc = chdir(dirname(dir));
1810		do {
1811		buf = alloca(len + 1);
1812		rc = readlink(basename(outName), buf, len);
1813		if (rc == len)
1814		len += 256;
1815		} while (rc == len);
1816
1817		if (rc < 0) {
1818		fprintf(stderr,
1819		_
1820		("grubby: error readlink link %s: %s\n"),
1821		outName, strerror(errno));
1822		return 1;
1823		}
1824
1825	for (line = entry->lines; line; line = line->next) {	outName = buf;
1826	log_message(f, "DBG: %s", line->indent);	outName[rc] = '\0';
1827	for (i = 0; i < line->numElements; i++) {	}
1828	/* Need to handle this, because we strip the quotes from
1829	* menuentry when read it. */	tmpOutName = alloca(strlen(outName) + 2);
1830	if (line->type == LT_MENUENTRY && i == 1) {	sprintf(tmpOutName, "%s-", outName);
1831	if(!isquote(*line->elements[i].item))	out = fopen(tmpOutName, "w");
1832	log_message(f, "\'%s\'", line->elements[i].item);	if (!out) {
1833	else	fprintf(stderr, _("grubby: error creating %s: %s\n"),
1834	log_message(f, "%s", line->elements[i].item);	tmpOutName, strerror(errno));
1835	log_message(f, "%s", line->elements[i].indent);	return 1;
1836		}
1837	continue;
1838	}	if (!stat(outName, &sb)) {
1839		if (chmod(tmpOutName, sb.st_mode & ~(S_IFMT))) {
1840	log_message(f, "%s%s",	fprintf(stderr,
1841	line->elements[i].item, line->elements[i].indent);	_
1842		("grubby: error setting perms on %s: %s\n"),
1843		tmpOutName, strerror(errno));
1844		fclose(out);
1845		unlink(tmpOutName);
1846		return 1;
1847		}
1848		}
1849	}	}
1850	log_message(f, "\n");
1851	}	line = cfg->theLines;
1852		struct keywordTypes *defaultKw = getKeywordByType(LT_DEFAULT, cfg->cfi);
1853		while (line) {
1854		if (line->type == LT_SET_VARIABLE && defaultKw &&
1855		line->numElements == 3 &&
1856		!strcmp(line->elements[1].item, defaultKw->key) &&
1857		!is_special_grub2_variable(line->elements[2].item)) {
1858		writeDefault(out, line->indent,
1859		line->elements[0].indent, cfg);
1860		needs &= ~MAIN_DEFAULT;
1861		} else if (line->type == LT_DEFAULT) {
1862		writeDefault(out, line->indent,
1863		line->elements[0].indent, cfg);
1864		needs &= ~MAIN_DEFAULT;
1865		} else if (line->type == LT_FALLBACK) {
1866		if (cfg->fallbackImage > -1)
1867		fprintf(out, "%s%s%s%d\n", line->indent,
1868		line->elements[0].item,
1869		line->elements[0].indent,
1870		cfg->fallbackImage);
1871		} else {
1872		if (lineWrite(out, line, cfg->cfi) == -1) {
1873		fprintf(stderr,
1874		_("grubby: error writing %s: %s\n"),
1875		tmpOutName, strerror(errno));
1876		fclose(out);
1877		unlink(tmpOutName);
1878		return 1;
1879		}
1880		}
1881
1882		line = line->next;
1883		}
1884
1885		if (needs & MAIN_DEFAULT) {
1886		writeDefault(out, cfg->primaryIndent, "=", cfg);
1887		needs &= ~MAIN_DEFAULT;
1888		}
1889
1890		i = 0;
1891		while ((entry = findEntryByIndex(cfg, i++))) {
1892		if (entry->skip)
1893		continue;
1894
1895		line = entry->lines;
1896		while (line) {
1897		if (lineWrite(out, line, cfg->cfi) == -1) {
1898		fprintf(stderr,
1899		_("grubby: error writing %s: %s\n"),
1900		tmpOutName, strerror(errno));
1901		fclose(out);
1902		unlink(tmpOutName);
1903		return 1;
1904		}
1905		line = line->next;
1906		}
1907		}
1908
1909		if (tmpOutName) {
1910		/* write userspace buffers */
1911		if (fflush(out))
1912		rc = 1;
1913
1914		/* purge the write-back cache with fsync() */
1915		if (fsync(fileno(out)))
1916		rc = 1;
1917
1918		if (fclose(out))
1919		rc = 1;
1920
1921		if (rc == 0 && rename(tmpOutName, outName)) {
1922		unlink(tmpOutName);
1923		rc = 1;
1924		}
1925
1926		/* fsync() the destination directory after rename */
1927		if (rc == 0) {
1928		int dirfd;
1929
1930		dirfd = open(dirname(strdupa(outName)), O_RDONLY);
1931		if (dirfd < 0)
1932		rc = 1;
1933		else if (fsync(dirfd))
1934		rc = 1;
1935
1936		if (dirfd >= 0)
1937		close(dirfd);
1938		}
1939
1940		if (rc == 1)
1941		fprintf(stderr,
1942		_("grubby: error flushing data: %m\n"));
1943		}
1944
1945		return rc;
1946	}	}
1947
1948	void notSuitablePrintf(struct singleEntry * entry, int okay, const char *fmt, ...)	static int numEntries(struct grubConfig *cfg)
1949	{	{
1950	static int once;	int i = 0;
1951	va_list argp, argq;	struct singleEntry *entry;
1952
1953	va_start(argp, fmt);	entry = cfg->entries;
1954		while (entry) {
1955		if (!entry->skip)
1956		i++;
1957		entry = entry->next;
1958		}
1959		return i;
1960		}
1961
1962	va_copy(argq, argp);	static char *findDiskForRoot()
1963	if (!once) {	{
1964	log_time(NULL);	int fd;
1965	log_message(NULL, "command line: %s\n", saved_command_line);	char buf[65536];
1966	}	char *devname;
1967	log_message(NULL, "DBG: Image entry %s: ", okay ? "succeeded" : "failed");	char *chptr;
1968	log_vmessage(NULL, fmt, argq);	int rc;
1969
1970	printEntry(entry, NULL);	if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) {
1971	va_end(argq);	fprintf(stderr, "grubby: failed to open %s: %s\n",
1972		_PATH_MOUNTED, strerror(errno));
1973		return NULL;
1974		}
1975
1976		rc = read(fd, buf, sizeof(buf) - 1);
1977		if (rc <= 0) {
1978		fprintf(stderr, "grubby: failed to read %s: %s\n",
1979		_PATH_MOUNTED, strerror(errno));
1980		close(fd);
1981		return NULL;
1982		}
1983		close(fd);
1984		buf[rc] = '\0';
1985		chptr = buf;
1986
1987	if (!debug) {	char *foundanswer = NULL;
	once = 1;
	va_end(argp);
	return;
	}
1988
1989	if (okay) {	while (chptr && chptr != buf + rc) {
1990	va_end(argp);	devname = chptr;
1991	return;
1992	}	/*
1993		* The first column of a mtab entry is the device, but if the
1994		* entry is a special device it won't start with /, so move
1995		* on to the next line.
1996		*/
1997		if (*devname != '/') {
1998		chptr = strchr(chptr, '\n');
1999		if (chptr)
2000		chptr++;
2001		continue;
2002		}
2003
2004		/* Seek to the next space */
2005		chptr = strchr(chptr, ' ');
2006		if (!chptr) {
2007		fprintf(stderr, "grubby: error parsing %s: %s\n",
2008		_PATH_MOUNTED, strerror(errno));
2009		return NULL;
2010		}
2011
2012		/*
2013		* The second column of a mtab entry is the mount point, we
2014		* are looking for '/' obviously.
2015		*/
2016		if (*(++chptr) == '/' && *(++chptr) == ' ') {
2017		/* remember the last / entry in mtab */
2018		foundanswer = devname;
2019		}
2020
2021		/* Next line */
2022		chptr = strchr(chptr, '\n');
2023		if (chptr)
2024		chptr++;
2025		}
2026
2027		/* Return the last / entry found */
2028		if (foundanswer) {
2029		chptr = strchr(foundanswer, ' ');
2030		*chptr = '\0';
2031		return strdup(foundanswer);
2032		}
2033
2034		return NULL;
2035		}
2036
2037		void printEntry(struct singleEntry *entry, FILE * f)
2038		{
2039		int i;
2040		struct singleLine *line;
2041
2042		for (line = entry->lines; line; line = line->next) {
2043		log_message(f, "DBG: %s", line->indent);
2044		for (i = 0; i < line->numElements; i++) {
2045		/* Need to handle this, because we strip the quotes from
2046		* menuentry when read it. */
2047		if (line->type == LT_MENUENTRY && i == 1) {
2048		if (!isquote(*line->elements[i].item))
2049		log_message(f, "\'%s\'",
2050		line->elements[i].item);
2051		else
2052		log_message(f, "%s",
2053		line->elements[i].item);
2054		log_message(f, "%s", line->elements[i].indent);
2055
2056		continue;
2057		}
2058
2059		log_message(f, "%s%s",
2060		line->elements[i].item,
2061		line->elements[i].indent);
2062		}
2063		log_message(f, "\n");
2064		}
2065		}
2066
2067		void notSuitablePrintf(struct singleEntry *entry, int okay, const char *fmt,
2068		...)
2069		{
2070		static int once;
2071		va_list argp, argq;
2072
2073		va_start(argp, fmt);
2074
2075		va_copy(argq, argp);
2076		if (!once) {
2077		log_time(NULL);
2078		log_message(NULL, "command line: %s\n", saved_command_line);
2079		}
2080		log_message(NULL, "DBG: Image entry %s: ",
2081		okay ? "succeeded" : "failed");
2082		log_vmessage(NULL, fmt, argq);
2083
2084		printEntry(entry, NULL);
2085		va_end(argq);
2086
2087	if (!once)	if (!debug) {
2088	log_message(stderr, "DBG: command line: %s\n", saved_command_line);	once = 1;
2089	once = 1;	va_end(argp);
2090	fprintf(stderr, "DBG: Image entry failed: ");	return;
2091	vfprintf(stderr, fmt, argp);	}
2092	printEntry(entry, stderr);
2093	va_end(argp);	if (okay) {
2094		va_end(argp);
2095		return;
2096		}
2097
2098		if (!once)
2099		log_message(stderr, "DBG: command line: %s\n",
2100		saved_command_line);
2101		once = 1;
2102		fprintf(stderr, "DBG: Image entry failed: ");
2103		vfprintf(stderr, fmt, argp);
2104		printEntry(entry, stderr);
2105		va_end(argp);
2106	}	}
2107
2108	#define beginswith(s, c) ((s) && (s)[0] == (c))	#define beginswith(s, c) ((s) && (s)[0] == (c))
#	Line 1822  static int endswith(const char *s, char	Line 2118  static int endswith(const char *s, char
2118	return s[slen] == c;	return s[slen] == c;
2119	}	}
2120
2121	int suitableImage(struct singleEntry * entry, const char * bootPrefix,	int suitableImage(struct singleEntry *entry, const char *bootPrefix,
2122	int skipRemoved, int flags) {	int skipRemoved, int flags)
2123	struct singleLine * line;	{
2124	char * fullName;	struct singleLine *line;
2125	int i;	char *fullName;
2126	char * dev;	int i;
2127	char * rootspec;	char *dev;
2128	char * rootdev;	char *rootspec;
2129		char *rootdev;
	if (skipRemoved && entry->skip) {
	notSuitablePrintf(entry, 0, "marked to skip\n");
	return 0;
	}
2130
2131	line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);	if (skipRemoved && entry->skip) {
2132	if (!line) {	notSuitablePrintf(entry, 0, "marked to skip\n");
2133	notSuitablePrintf(entry, 0, "no line found\n");	return 0;
2134	return 0;	}
	}
	if (line->numElements < 2) {
	notSuitablePrintf(entry, 0, "line has only %d elements\n",
	line->numElements);
	return 0;
	}
2135
2136	if (flags & GRUBBY_BADIMAGE_OKAY) {	line =
2137	notSuitablePrintf(entry, 1, "\n");	getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI | LT_KERNEL_16,
2138	return 1;	entry->lines);
2139	}	if (!line) {
2140		notSuitablePrintf(entry, 0, "no line found\n");
2141		return 0;
2142		}
2143		if (line->numElements < 2) {
2144		notSuitablePrintf(entry, 0, "line has only %d elements\n",
2145		line->numElements);
2146		return 0;
2147		}
2148
2149	fullName = alloca(strlen(bootPrefix) +	if (flags & GRUBBY_BADIMAGE_OKAY) {
2150	strlen(line->elements[1].item) + 1);	notSuitablePrintf(entry, 1, "\n");
2151	rootspec = getRootSpecifier(line->elements[1].item);	return 1;
2152	int rootspec_offset = rootspec ? strlen(rootspec) : 0;	}
	int hasslash = endswith(bootPrefix, '/') ||
	beginswith(line->elements[1].item + rootspec_offset, '/');
	sprintf(fullName, "%s%s%s", bootPrefix, hasslash ? "" : "/",
	line->elements[1].item + rootspec_offset);
	if (access(fullName, R_OK)) {
	notSuitablePrintf(entry, 0, "access to %s failed\n", fullName);
	return 0;
	}
	for (i = 2; i < line->numElements; i++)
	if (!strncasecmp(line->elements[i].item, "root=", 5)) break;
	if (i < line->numElements) {
	dev = line->elements[i].item + 5;
	} else {
	/* look for a lilo style LT_ROOT line */
	line = getLineByType(LT_ROOT, entry->lines);
2153
2154	if (line && line->numElements >= 2) {	fullName = alloca(strlen(bootPrefix) +
2155	dev = line->elements[1].item;	strlen(line->elements[1].item) + 1);
2156		rootspec = getRootSpecifier(line->elements[1].item);
2157		int rootspec_offset = rootspec ? strlen(rootspec) : 0;
2158		int hasslash = endswith(bootPrefix, '/') ||
2159		beginswith(line->elements[1].item + rootspec_offset, '/');
2160		sprintf(fullName, "%s%s%s", bootPrefix, hasslash ? "" : "/",
2161		line->elements[1].item + rootspec_offset);
2162		if (access(fullName, R_OK)) {
2163		notSuitablePrintf(entry, 0, "access to %s failed\n", fullName);
2164		return 0;
2165		}
2166		for (i = 2; i < line->numElements; i++)
2167		if (!strncasecmp(line->elements[i].item, "root=", 5))
2168		break;
2169		if (i < line->numElements) {
2170		dev = line->elements[i].item + 5;
2171	} else {	} else {
2172	/* didn't succeed in finding a LT_ROOT, let's try LT_KERNELARGS.	/* look for a lilo style LT_ROOT line */
2173	* grub+multiboot uses LT_MBMODULE for the args, so check that too.	line = getLineByType(LT_ROOT, entry->lines);
	*/
	line = getLineByType(LT_KERNELARGS|LT_MBMODULE, entry->lines);
2174
2175	/* failed to find one */	if (line && line->numElements >= 2) {
2176	if (!line) {	dev = line->elements[1].item;
2177	notSuitablePrintf(entry, 0, "no line found\n");	} else {
2178	return 0;	/* didn't succeed in finding a LT_ROOT, let's try
2179	}	* LT_KERNELARGS.  grub+multiboot uses LT_MBMODULE
2180		* for the args, so check that too.
2181		*/
2182		line =
2183		getLineByType(LT_KERNELARGS | LT_MBMODULE,
2184		entry->lines);
2185
2186		/* failed to find one */
2187		if (!line) {
2188		notSuitablePrintf(entry, 0, "no line found\n");
2189		return 0;
2190		}
2191
2192	for (i = 1; i < line->numElements; i++)	for (i = 1; i < line->numElements; i++)
2193	if (!strncasecmp(line->elements[i].item, "root=", 5)) break;	if (!strncasecmp
2194	if (i < line->numElements)	(line->elements[i].item, "root=", 5))
2195	dev = line->elements[i].item + 5;	break;
2196	else {	if (i < line->numElements)
2197	notSuitablePrintf(entry, 0, "no root= entry found\n");	dev = line->elements[i].item + 5;
2198	/* it failed too...  can't find root= */	else {
2199	return 0;	notSuitablePrintf(entry, 0,
2200	}	"no root= entry found\n");
2201		/* it failed too...  can't find root= */
2202		return 0;
2203		}
2204		}
2205	}	}
	}
2206
	dev = getpathbyspec(dev);
	if (!getpathbyspec(dev)) {
	notSuitablePrintf(entry, 0, "can't find blkid entry for %s\n", dev);
	return 0;
	} else
2207	dev = getpathbyspec(dev);	dev = getpathbyspec(dev);
2208		if (!getpathbyspec(dev)) {
2209		notSuitablePrintf(entry, 0, "can't find blkid entry for %s\n",
2210		dev);
2211		return 0;
2212		} else
2213		dev = getpathbyspec(dev);
2214
2215	rootdev = findDiskForRoot();	rootdev = findDiskForRoot();
2216	if (!rootdev) {	if (!rootdev) {
2217	notSuitablePrintf(entry, 0, "can't find root device\n");	notSuitablePrintf(entry, 0, "can't find root device\n");
2218	return 0;	return 0;
2219	}	}
2220
2221	if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) {	if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) {
2222	notSuitablePrintf(entry, 0, "uuid missing: rootdev %s, dev %s\n",	notSuitablePrintf(entry, 0,
2223	getuuidbydev(rootdev), getuuidbydev(dev));	"uuid missing: rootdev %s, dev %s\n",
2224	free(rootdev);	getuuidbydev(rootdev), getuuidbydev(dev));
2225	return 0;	free(rootdev);
2226	}	return 0;
2227		}
2228
2229	if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) {	if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) {
2230	notSuitablePrintf(entry, 0, "uuid mismatch: rootdev %s, dev %s\n",	notSuitablePrintf(entry, 0,
2231	getuuidbydev(rootdev), getuuidbydev(dev));	"uuid mismatch: rootdev %s, dev %s\n",
2232	free(rootdev);	getuuidbydev(rootdev), getuuidbydev(dev));
2233	return 0;	free(rootdev);
2234	}	return 0;
2235		}
2236
2237	free(rootdev);	free(rootdev);
2238	notSuitablePrintf(entry, 1, "\n");	notSuitablePrintf(entry, 1, "\n");
2239
2240	return 1;	return 1;
2241	}	}
2242
2243	/* returns the first match on or after the one pointed to by index (if index	/* returns the first match on or after the one pointed to by index (if index
2244	is not NULL) which is not marked as skip */	is not NULL) which is not marked as skip */
2245	struct singleEntry * findEntryByPath(struct grubConfig * config,	struct singleEntry *findEntryByPath(struct grubConfig *config,
2246	const char * kernel, const char * prefix,	const char *kernel, const char *prefix,
2247	int * index) {	int *index)
2248	struct singleEntry * entry = NULL;	{
2249	struct singleLine * line;	struct singleEntry *entry = NULL;
2250	int i;	struct singleLine *line;
2251	char * chptr;	int i;
2252	char * rootspec = NULL;	char *chptr;
2253	enum lineType_e checkType = LT_KERNEL;	char *rootspec = NULL;
2254		enum lineType_e checkType = LT_KERNEL;
2255
2256		if (isdigit(*kernel)) {
2257		int *indexVars = alloca(sizeof(*indexVars) * strlen(kernel));
2258
2259		i = 0;
2260		indexVars[i] = strtol(kernel, &chptr, 10);
2261		while (*chptr == ',') {
2262		i++;
2263		kernel = chptr + 1;
2264		indexVars[i] = strtol(kernel, &chptr, 10);
2265		}
2266
2267	if (isdigit(*kernel)) {	if (*chptr) {
2268	int * indexVars = alloca(sizeof(*indexVars) * strlen(kernel));	/* can't parse it, bail */
2269		return NULL;
2270		}
2271
2272	i = 0;	indexVars[i + 1] = -1;
	indexVars[i] = strtol(kernel, &chptr, 10);
	while (*chptr == ',') {
	i++;
	kernel = chptr + 1;
	indexVars[i] = strtol(kernel, &chptr, 10);
	}
2273
2274	if (*chptr) {	i = 0;
2275	/* can't parse it, bail */	if (index) {
2276	return NULL;	while (i < *index) {
2277	}	i++;
2278		if (indexVars[i] == -1)
2279		return NULL;
2280		}
2281		}
2282
2283	indexVars[i + 1] = -1;	entry = findEntryByIndex(config, indexVars[i]);
2284		if (!entry)
2285		return NULL;
2286
2287		line =
2288		getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI |
2289		LT_KERNEL_16, entry->lines);
2290		if (!line)
2291		return NULL;
2292
2293	i = 0;	if (index)
2294	if (index) {	*index = indexVars[i];
2295	while (i < *index) {	return entry;
	i++;
	if (indexVars[i] == -1) return NULL;
	}
2296	}	}
2297
2298	entry = findEntryByIndex(config, indexVars[i]);	if (!strcmp(kernel, "DEFAULT")) {
2299	if (!entry) return NULL;	if (index && *index > config->defaultImage) {
2300		entry = NULL;
2301		} else {
2302		entry = findEntryByIndex(config, config->defaultImage);
2303		if (entry && entry->skip)
2304		entry = NULL;
2305		else if (index)
2306		*index = config->defaultImage;
2307		}
2308		} else if (!strcmp(kernel, "ALL")) {
2309		if (index)
2310		i = *index;
2311		else
2312		i = 0;
2313
2314	line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);	while ((entry = findEntryByIndex(config, i))) {
2315	if (!line) return NULL;	if (!entry->skip)
2316		break;
2317		i++;
2318		}
2319
2320	if (index) *index = indexVars[i];	if (entry && index)
2321	return entry;	*index = i;
	}
	if (!strcmp(kernel, "DEFAULT")) {
	if (index && *index > config->defaultImage) {
	entry = NULL;
2322	} else {	} else {
2323	entry = findEntryByIndex(config, config->defaultImage);	if (index)
2324	if (entry && entry->skip)	i = *index;
2325	entry = NULL;	else
2326	else if (index)	i = 0;
	*index = config->defaultImage;
	}
	} else if (!strcmp(kernel, "ALL")) {
	if (index)
	i = *index;
	else
	i = 0;
	while ((entry = findEntryByIndex(config, i))) {
	if (!entry->skip) break;
	i++;
	}
2327
2328	if (entry && index)	if (!strncmp(kernel, "TITLE=", 6)) {
2329	*index = i;	prefix = "";
2330	} else {	checkType = LT_TITLE | LT_MENUENTRY;
2331	if (index)	kernel += 6;
2332	i = *index;	}
	else
	i = 0;
2333
2334	if (!strncmp(kernel, "TITLE=", 6)) {	for (entry = findEntryByIndex(config, i); entry;
2335	prefix = "";	entry = entry->next, i++) {
2336	checkType = LT_TITLE|LT_MENUENTRY;	if (entry->skip)
2337	kernel += 6;	continue;
2338	}
2339		dbgPrintf("findEntryByPath looking for %d %s in %p\n",
2340	for (entry = findEntryByIndex(config, i); entry; entry = entry->next, i++) {	checkType, kernel, entry);
2341	if (entry->skip) continue;
2342		/* check all the lines matching checkType */
2343	dbgPrintf("findEntryByPath looking for %d %s in %p\n", checkType, kernel, entry);	for (line = entry->lines; line; line = line->next) {
2344		enum lineType_e ct = checkType;
2345	/* check all the lines matching checkType */	if (entry->multiboot && checkType == LT_KERNEL)
2346	for (line = entry->lines; line; line = line->next) {	ct = LT_KERNEL | LT_KERNEL_EFI |
2347	enum lineType_e ct = checkType;	LT_MBMODULE | LT_HYPER |
2348	if (entry->multiboot && checkType == LT_KERNEL)	LT_KERNEL_16;
2349	ct = LT_KERNEL|LT_KERNEL_EFI|LT_MBMODULE|LT_HYPER|LT_KERNEL_16;	else if (checkType & LT_KERNEL)
2350	else if (checkType & LT_KERNEL)	ct = checkType | LT_KERNEL_EFI |
2351	ct = checkType | LT_KERNEL_EFI | LT_KERNEL_16;	LT_KERNEL_16;
2352	line = getLineByType(ct, line);	line = getLineByType(ct, line);
2353	if (!line)	if (!line)
2354	break;  /* not found in this entry */	break; /* not found in this entry */
2355
2356		if (line && line->type != LT_MENUENTRY &&
2357		line->numElements >= 2) {
2358		rootspec =
2359		getRootSpecifier(line->elements[1].
2360		item);
2361		if (!strcmp
2362		(line->elements[1].item +
2363		((rootspec !=
2364		NULL) ? strlen(rootspec) : 0),
2365		kernel + strlen(prefix)))
2366		break;
2367		}
2368		if (line->type == LT_MENUENTRY &&
2369		!strcmp(line->elements[1].item, kernel))
2370		break;
2371		}
2372
2373	if (line && line->type != LT_MENUENTRY &&	/* make sure this entry has a kernel identifier; this skips
2374	line->numElements >= 2) {	* non-Linux boot entries (could find netbsd etc, though, which is
2375	rootspec = getRootSpecifier(line->elements[1].item);	* unfortunate)
2376	if (!strcmp(line->elements[1].item +	*/
2377	((rootspec != NULL) ? strlen(rootspec) : 0),	if (line
2378	kernel + strlen(prefix)))	&& getLineByType(LT_KERNEL | LT_HYPER |
2379	break;	LT_KERNEL_EFI | LT_KERNEL_16,
2380		entry->lines))
2381		break; /* found 'im! */
2382	}	}
	if(line->type == LT_MENUENTRY &&
	!strcmp(line->elements[1].item, kernel))
	break;
	}
	/* make sure this entry has a kernel identifier; this skips
	* non-Linux boot entries (could find netbsd etc, though, which is
	* unfortunate)
	*/
	if (line && getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines))
	break; /* found 'im! */
	}
2383
2384	if (index) *index = i;	if (index)
2385	}	*index = i;
2386		}
2387
2388	return entry;	return entry;
2389	}	}
2390
2391	struct singleEntry * findEntryByTitle(struct grubConfig * cfg, char *title,	struct singleEntry *findEntryByTitle(struct grubConfig *cfg, char *title,
2392	int * index) {	int *index)
2393	struct singleEntry * entry;	{
2394	struct singleLine * line;	struct singleEntry *entry;
2395	int i;	struct singleLine *line;
2396	char * newtitle;	int i;
2397		char *newtitle;
2398	for (i = 0, entry = cfg->entries; entry; entry = entry->next, i++) {
2399	if (index && i < *index)	for (i = 0, entry = cfg->entries; entry; entry = entry->next, i++) {
2400	continue;	if (index && i < *index)
2401	line = getLineByType(LT_TITLE, entry->lines);	continue;
2402	if (!line)	line = getLineByType(LT_TITLE, entry->lines);
2403	line = getLineByType(LT_MENUENTRY, entry->lines);	if (!line)
2404	if (!line)	line = getLineByType(LT_MENUENTRY, entry->lines);
2405	continue;	if (!line)
2406	newtitle = grub2ExtractTitle(line);	continue;
2407	if (!newtitle)	newtitle = grub2ExtractTitle(line);
2408	continue;	if (!newtitle)
2409	if (!strcmp(title, newtitle))	continue;
2410	break;	if (!strcmp(title, newtitle))
2411	}	break;
2412		}
2413
2414	if (!entry)	if (!entry)
2415	return NULL;	return NULL;
2416
2417	if (index)	if (index)
2418	*index = i;	*index = i;
2419	return entry;	return entry;
2420	}	}
2421
2422	struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index) {	struct singleEntry *findEntryByIndex(struct grubConfig *cfg, int index)
2423	struct singleEntry * entry;	{
2424		struct singleEntry *entry;
2425	entry = cfg->entries;
2426	while (index && entry) {	entry = cfg->entries;
2427	entry = entry->next;	while (index && entry) {
2428	index--;	entry = entry->next;
2429	}	index--;
2430		}
2431
2432	return entry;	return entry;
2433	}	}
2434
2435	/* Find a good template to use for the new kernel. An entry is	/* Find a good template to use for the new kernel. An entry is
#	Line 2104  struct singleEntry * findEntryByIndex(st	Line 2437  struct singleEntry * findEntryByIndex(st
2437	* is going to be removed). Try and use the default entry, but	* is going to be removed). Try and use the default entry, but
2438	* if that doesn't work just take the first. If we can't find one,	* if that doesn't work just take the first. If we can't find one,
2439	* bail. */	* bail. */
2440	struct singleEntry * findTemplate(struct grubConfig * cfg, const char * prefix,	struct singleEntry *findTemplate(struct grubConfig *cfg, const char *prefix,
2441	int * indexPtr, int skipRemoved, int flags) {	int *indexPtr, int skipRemoved, int flags)
2442	struct singleEntry * entry, * entry2;	{
2443	int index;	struct singleEntry *entry, *entry2;
2444		int index;
2445	if (cfg->cfi->defaultIsSaved) {
2446	if (cfg->cfi->getEnv) {	if (cfg->cfi->defaultIsSaved) {
2447	char *defTitle = cfg->cfi->getEnv(cfg->cfi, "saved_entry");	if (cfg->cfi->getEnv) {
2448	if (defTitle) {	char *defTitle =
2449	int index = 0;	cfg->cfi->getEnv(cfg->cfi, "saved_entry");
2450	if (isnumber(defTitle)) {	if (defTitle) {
2451	index = atoi(defTitle);	int index = 0;
2452	entry = findEntryByIndex(cfg, index);	if (isnumber(defTitle)) {
2453	} else {	index = atoi(defTitle);
2454	entry = findEntryByTitle(cfg, defTitle, &index);	entry = findEntryByIndex(cfg, index);
2455		} else {
2456		entry =
2457		findEntryByTitle(cfg, defTitle,
2458		&index);
2459		}
2460		if (entry
2461		&& suitableImage(entry, prefix, skipRemoved,
2462		flags)) {
2463		cfg->defaultImage = index;
2464		if (indexPtr)
2465		*indexPtr = index;
2466		return entry;
2467		}
2468		}
2469		}
2470		} else if (cfg->defaultImage >= FIRST_ENTRY_INDEX) {
2471		entry = findEntryByIndex(cfg, cfg->defaultImage);
2472		if (entry && suitableImage(entry, prefix, skipRemoved, flags)) {
2473		if (indexPtr)
2474		*indexPtr = cfg->defaultImage;
2475		return entry;
2476	}	}
	if (entry)
	cfg->defaultImage = index;
	}
	}
	} else if (cfg->defaultImage > -1) {
	entry = findEntryByIndex(cfg, cfg->defaultImage);
	if (entry && suitableImage(entry, prefix, skipRemoved, flags)) {
	if (indexPtr) *indexPtr = cfg->defaultImage;
	return entry;
2477	}	}
	}
2478
2479	index = 0;	index = 0;
2480	while ((entry = findEntryByIndex(cfg, index))) {	while ((entry = findEntryByIndex(cfg, index))) {
2481	if (suitableImage(entry, prefix, skipRemoved, flags)) {	if (suitableImage(entry, prefix, skipRemoved, flags)) {
2482	int j;	int j, unmodifiedIndex;
2483	for (j = 0; j < index; j++) {
2484	entry2 = findEntryByIndex(cfg, j);	unmodifiedIndex = index;
2485	if (entry2->skip) index--;
2486	}	for (j = 0; j < unmodifiedIndex; j++) {
2487	if (indexPtr) *indexPtr = index;	entry2 = findEntryByIndex(cfg, j);
2488		if (entry2->skip)
2489		index--;
2490		}
2491		if (indexPtr)
2492		*indexPtr = index;
2493
2494	return entry;	return entry;
2495	}	}
2496
2497	index++;	index++;
2498	}	}
2499
2500	fprintf(stderr, _("grubby fatal error: unable to find a suitable template\n"));	fprintf(stderr,
2501		_("grubby fatal error: unable to find a suitable template\n"));
2502
2503	return NULL;	return NULL;
2504	}	}
2505
2506	char * findBootPrefix(void) {	char *findBootPrefix(void)
2507	struct stat sb, sb2;	{
2508		struct stat sb, sb2;
2509
2510	stat("/", &sb);	stat("/", &sb);
2511	#ifdef __ia64__	#ifdef __ia64__
2512	stat("/boot/efi/EFI/redhat/", &sb2);	stat("/boot/efi/EFI/redhat/", &sb2);
2513	#else	#else
2514	stat("/boot", &sb2);	stat("/boot", &sb2);
2515	#endif	#endif
2516
2517	if (sb.st_dev == sb2.st_dev)	if (sb.st_dev == sb2.st_dev)
2518	return strdup("");	return strdup("");
2519
2520	#ifdef __ia64__	#ifdef __ia64__
2521	return strdup("/boot/efi/EFI/redhat/");	return strdup("/boot/efi/EFI/redhat/");
2522	#else	#else
2523	return strdup("/boot");	return strdup("/boot");
2524	#endif	#endif
2525	}	}
2526
2527	void markRemovedImage(struct grubConfig * cfg, const char * image,	void markRemovedImage(struct grubConfig *cfg, const char *image,
2528	const char * prefix) {	const char *prefix)
2529	struct singleEntry * entry;	{
2530		struct singleEntry *entry;
	if (!image)
	return;
	/* check and see if we're removing the default image */
	if (isdigit(*image)) {
	entry = findEntryByPath(cfg, image, prefix, NULL);
	if(entry)
	entry->skip = 1;
	return;
	}
2531
2532	while ((entry = findEntryByPath(cfg, image, prefix, NULL)))	if (!image)
2533	entry->skip = 1;	return;
	}
2534
2535	void setDefaultImage(struct grubConfig * config, int hasNew,	/* check and see if we're removing the default image */
2536	const char * defaultKernelPath, int newIsDefault,	if (isdigit(*image)) {
2537	const char * prefix, int flags, int index) {	entry = findEntryByPath(cfg, image, prefix, NULL);
2538	struct singleEntry * entry, * entry2, * newDefault;	if (entry)
2539	int i, j;	entry->skip = 1;
2540		return;
	if (newIsDefault) {
	config->defaultImage = 0;
	return;
	} else if ((index >= 0) && config->cfi->defaultIsIndex) {
	if (findEntryByIndex(config, index))
	config->defaultImage = index;
	else
	config->defaultImage = -1;
	return;
	} else if (defaultKernelPath) {
	i = 0;
	if (findEntryByPath(config, defaultKernelPath, prefix, &i)) {
	config->defaultImage = i;
	} else {
	config->defaultImage = -1;
	return;
2541	}	}
	}
2542
2543	/* defaultImage now points to what we'd like to use, but before any order	while ((entry = findEntryByPath(cfg, image, prefix, NULL)))
2544	changes */	entry->skip = 1;
	if ((config->defaultImage == DEFAULT_SAVED) ||
	(config->defaultImage == DEFAULT_SAVED_GRUB2))
	/* default is set to saved, we don't want to change it */
	return;
	if (config->defaultImage > -1)
	entry = findEntryByIndex(config, config->defaultImage);
	else
	entry = NULL;
	if (entry && !entry->skip) {
	/* we can preserve the default */
	if (hasNew)
	config->defaultImage++;
	/* count the number of entries erased before this one */
	for (j = 0; j < config->defaultImage; j++) {
	entry2 = findEntryByIndex(config, j);
	if (entry2->skip) config->defaultImage--;
	}
	} else if (hasNew) {
	config->defaultImage = 0;
	} else {
	/* Either we just erased the default (or the default line was bad
	* to begin with) and didn't put a new one in. We'll use the first
	* valid image. */
	newDefault = findTemplate(config, prefix, &config->defaultImage, 1,
	flags);
	if (!newDefault)
	config->defaultImage = -1;
	}
2545	}	}
2546
2547	void setFallbackImage(struct grubConfig * config, int hasNew) {	void setDefaultImage(struct grubConfig *config, int isAddingBootEntry,
2548	struct singleEntry * entry, * entry2;	const char *defaultKernelPath, int newBootEntryIsDefault,
2549	int j;	const char *prefix, int flags,
2550		int newDefaultBootEntryIndex, int newBootEntryIndex)
2551	if (config->fallbackImage == -1) return;	{
2552		struct singleEntry *bootEntry, *newDefault;
2553	entry = findEntryByIndex(config, config->fallbackImage);	int indexToVerify, firstKernelEntryIndex, currentLookupIndex;
	if (!entry || entry->skip) {
	config->fallbackImage = -1;
	return;
	}
	if (hasNew)
	config->fallbackImage++;
	/* count the number of entries erased before this one */
	for (j = 0; j < config->fallbackImage; j++) {
	entry2 = findEntryByIndex(config, j);
	if (entry2->skip) config->fallbackImage--;
	}
	}
2554
2555	void displayEntry(struct singleEntry * entry, const char * prefix, int index) {	/* initialize */
2556	struct singleLine * line;	currentLookupIndex = FIRST_ENTRY_INDEX;
	char * root = NULL;
	int i;
	int j;
	printf("index=%d\n", index);
	line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);
	if (!line) {
	printf("non linux entry\n");
	return;
	}
2557
2558	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))	/* handle the two cases where the user explictly picks the default
2559	printf("kernel=%s\n", line->elements[1].item);	* boot entry index as it would exist post-modification */
	else
	printf("kernel=%s%s\n", prefix, line->elements[1].item);
	if (line->numElements >= 3) {
	printf("args=\"");
	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);
	}
2560
2561	i++;	/* Case 1: user chose to make the latest boot entry the default */
2562		if (newBootEntryIsDefault) {
2563		config->defaultImage = newBootEntryIndex;
2564		return;
2565	}	}
	printf("\"\n");
	} else {
	line = getLineByType(LT_KERNELARGS, entry->lines);
	if (line) {
	char * s;
2566
2567	printf("args=\"");	/* Case 2: user picked an arbitrary index as the default boot entry */
2568	i = 1;	if (newDefaultBootEntryIndex >= FIRST_ENTRY_INDEX) {
2569	while (i < line->numElements) {	indexToVerify = newDefaultBootEntryIndex;
	if (!strncmp(line->elements[i].item, "root=", 5)) {
	root = line->elements[i].item + 5;
	} else {
	s = line->elements[i].item;
2570
2571	printf("%s%s", s, line->elements[i].indent);	/* user chose to make latest boot entry the default */
2572		if (newDefaultBootEntryIndex == newBootEntryIndex) {
2573		config->defaultImage = newBootEntryIndex;
2574		return;
2575	}	}
2576
2577	i++;	/* the user picks the default index based on the
2578	}	* order of the bootloader configuration after
2579		* modification; ensure we are checking for the
2580		* existence of the correct entry */
2581		if (newBootEntryIndex < newDefaultBootEntryIndex) {
2582		if (!config->isModified)
2583		indexToVerify--;
2584		}
2585
2586		/* verify the user selected index will exist */
2587		if (findEntryByIndex(config, indexToVerify)) {
2588		config->defaultImage = newDefaultBootEntryIndex;
2589		} else {
2590		config->defaultImage = NO_DEFAULT_ENTRY;
2591		}
2592
2593	s = line->elements[i - 1].indent;	return;
	printf("\"\n");
2594	}	}
	}
2595
2596	if (!root) {	/* handle cases where the index value may shift */
	line = getLineByType(LT_ROOT, entry->lines);
	if (line && line->numElements >= 2)
	root=line->elements[1].item;
	}
2597
2598	if (root) {	/* check validity of existing default or first-entry-found
2599	char * s = alloca(strlen(root) + 1);	selection */
2600		if (defaultKernelPath) {
2601	strcpy(s, root);	/* we must initialize this */
2602	if (s[strlen(s) - 1] == '"')	firstKernelEntryIndex = 0;
2603	s[strlen(s) - 1] = '\0';	/* user requested first-entry-found */
2604	/* make sure the root doesn't have a trailing " */	if (!findEntryByPath(config, defaultKernelPath,
2605	printf("root=%s\n", s);	prefix, &firstKernelEntryIndex)) {
2606	}	/* don't change default if can't find match */
2607		config->defaultImage = NO_DEFAULT_ENTRY;
2608		return;
2609		}
2610
2611	line = getLineByType(LT_INITRD|LT_INITRD_EFI|LT_INITRD_16, entry->lines);	config->defaultImage = firstKernelEntryIndex;
2612
2613	if (line && line->numElements >= 2) {	/* this is where we start looking for decrement later */
2614	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))	currentLookupIndex = config->defaultImage;
	printf("initrd=");
	else
	printf("initrd=%s", prefix);
2615
2616	for (i = 1; i < line->numElements; i++)	if (isAddingBootEntry && !config->isModified &&
2617	printf("%s%s", line->elements[i].item, line->elements[i].indent);	(newBootEntryIndex < config->defaultImage)) {
2618	printf("\n");	/* increment because new entry added before default */
2619	}	config->defaultImage++;
2620		}
2621		} else {
2622		/* check to see if the default is stored in the environment */
2623		if (config->defaultImage < FIRST_ENTRY_INDEX) {
2624		if (config->defaultImage == DEFAULT_SAVED || config->defaultImage == DEFAULT_SAVED_GRUB2)
2625		{
2626		if (config->cfi->defaultIsSaved) {
2627		if (config->cfi->getEnv) {
2628		char *defaultTitle = config->cfi->getEnv(config->cfi, "saved_entry");
2629
2630		if (defaultTitle) {
2631		if (isnumber(defaultTitle)) {
2632		currentLookupIndex = atoi(defaultTitle);
2633		} else {
2634		findEntryByTitle(config, defaultTitle, &currentLookupIndex);
2635		}
2636		/* set the default Image to an actual index */
2637		config->defaultImage = currentLookupIndex;
2638		}
2639		}
2640		}
2641		}
2642		} else {
2643		/* use pre-existing default entry from the file*/
2644		currentLookupIndex = config->defaultImage;
2645		}
2646
2647	line = getLineByType(LT_TITLE, entry->lines);	if (isAddingBootEntry
2648	if (line) {	&& (newBootEntryIndex <= config->defaultImage)) {
2649	printf("title=%s\n", line->elements[1].item);	config->defaultImage++;
	} else {
	char * title;
	line = getLineByType(LT_MENUENTRY, entry->lines);
	title = grub2ExtractTitle(line);
	if (title)
	printf("title=%s\n", title);
	}
2650
2651	for (j = 0, line = entry->lines; line; line = line->next) {	if (config->isModified) {
2652	if ((line->type & LT_MBMODULE) && line->numElements >= 2) {	currentLookupIndex++;
2653	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))	}
2654	printf("mbmodule%d=", j);	}
	else
	printf("mbmodule%d=%s", j, prefix);
	for (i = 1; i < line->numElements; i++)
	printf("%s%s", line->elements[i].item, line->elements[i].indent);
	printf("\n");
	j++;
2655	}	}
	}
	}
2656
2657	int isSuseSystem(void) {	/* sanity check - is this entry index valid? */
2658	const char * path;	bootEntry = findEntryByIndex(config, currentLookupIndex);
	const static char default_path[] = "/etc/SuSE-release";
2659
2660	if ((path = getenv("GRUBBY_SUSE_RELEASE")) == NULL)	if ((bootEntry && bootEntry->skip) || !bootEntry) {
2661	path = default_path;	/* entry is to be skipped or is invalid */
2662		if (isAddingBootEntry) {
2663		config->defaultImage = newBootEntryIndex;
2664		return;
2665		}
2666		newDefault =
2667		findTemplate(config, prefix, &config->defaultImage, 1,
2668		flags);
2669		if (!newDefault) {
2670		config->defaultImage = NO_DEFAULT_ENTRY;
2671		}
2672
2673	if (!access(path, R_OK))	return;
2674	return 1;	}
	return 0;
	}
2675
2676	int isSuseGrubConf(const char * path) {	currentLookupIndex--;
	FILE * grubConf;
	char * line = NULL;
	size_t len = 0, res = 0;
	grubConf = fopen(path, "r");
	if (!grubConf) {
	dbgPrintf("Could not open SuSE configuration file '%s'\n", path);
	return 0;
	}
2677
2678	while ((res = getline(&line, &len, grubConf)) != -1) {	/* decrement index by the total number of entries deleted */
	if (!strncmp(line, "setup", 5)) {
	fclose(grubConf);
	free(line);
	return 1;
	}
	}
2679
2680	dbgPrintf("SuSE configuration file '%s' does not appear to be valid\n",	for (indexToVerify = currentLookupIndex;
2681	path);	indexToVerify >= FIRST_ENTRY_INDEX; indexToVerify--) {
2682
2683	fclose(grubConf);	bootEntry = findEntryByIndex(config, indexToVerify);
	free(line);
	return 0;
	}
2684
2685	int suseGrubConfGetLba(const char * path, int * lbaPtr) {	if (bootEntry && bootEntry->skip) {
2686	FILE * grubConf;	config->defaultImage--;
2687	char * line = NULL;	}
	size_t res = 0, len = 0;
	if (!path) return 1;
	if (!lbaPtr) return 1;
	grubConf = fopen(path, "r");
	if (!grubConf) return 1;
	while ((res = getline(&line, &len, grubConf)) != -1) {
	if (line[res - 1] == '\n')
	line[res - 1] = '\0';
	else if (len > res)
	line[res] = '\0';
	else {
	line = realloc(line, res + 1);
	line[res] = '\0';
2688	}	}
2689		}
2690
2691	if (!strncmp(line, "setup", 5)) {	void setFallbackImage(struct grubConfig *config, int hasNew)
2692	if (strstr(line, "--force-lba")) {	{
2693	*lbaPtr = 1;	struct singleEntry *entry, *entry2;
2694	} else {	int j;
	*lbaPtr = 0;
	}
	dbgPrintf("lba: %i\n", *lbaPtr);
	break;
	}
	}
2695
2696	free(line);	if (config->fallbackImage == -1)
2697	fclose(grubConf);	return;
	return 0;
	}
2698
2699	int suseGrubConfGetInstallDevice(const char * path, char ** devicePtr) {	entry = findEntryByIndex(config, config->fallbackImage);
2700	FILE * grubConf;	if (!entry || entry->skip) {
2701	char * line = NULL;	config->fallbackImage = -1;
2702	size_t res = 0, len = 0;	return;
	char * lastParamPtr = NULL;
	char * secLastParamPtr = NULL;
	char installDeviceNumber = '\0';
	char * bounds = NULL;
	if (!path) return 1;
	if (!devicePtr) return 1;
	grubConf = fopen(path, "r");
	if (!grubConf) return 1;
	while ((res = getline(&line, &len, grubConf)) != -1) {
	if (strncmp(line, "setup", 5))
	continue;
	if (line[res - 1] == '\n')
	line[res - 1] = '\0';
	else if (len > res)
	line[res] = '\0';
	else {
	line = realloc(line, res + 1);
	line[res] = '\0';
2703	}	}
2704
2705	lastParamPtr = bounds = line + res;	if (hasNew)
2706		config->fallbackImage++;
2707
2708	/* Last parameter in grub may be an optional IMAGE_DEVICE */	/* count the number of entries erased before this one */
2709	while (!isspace(*lastParamPtr))	for (j = 0; j < config->fallbackImage; j++) {
2710	lastParamPtr--;	entry2 = findEntryByIndex(config, j);
2711	lastParamPtr++;	if (entry2->skip)
2712		config->fallbackImage--;
2713		}
2714		}
2715
2716	secLastParamPtr = lastParamPtr - 2;	void displayEntry(struct grubConfig *config, struct singleEntry *entry, const char *prefix, int index)
2717	dbgPrintf("lastParamPtr: %s\n", lastParamPtr);	{
2718		struct singleLine *line;
2719		char *root = NULL;
2720		int i;
2721		int j;
2722
2723	if (lastParamPtr + 3 > bounds) {	printf("index=%d\n", index);
	dbgPrintf("lastParamPtr going over boundary");
	fclose(grubConf);
	free(line);
	return 1;
	}
	if (!strncmp(lastParamPtr, "(hd", 3))
	lastParamPtr += 3;
	dbgPrintf("lastParamPtr: %c\n", *lastParamPtr);
2724
2725	/*	line =
2726	* Second last parameter will decide wether last parameter is	getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI | LT_KERNEL_16,
2727	* an IMAGE_DEVICE or INSTALL_DEVICE	entry->lines);
2728	*/	if (!line) {
2729	while (!isspace(*secLastParamPtr))	printf("non linux entry\n");
2730	secLastParamPtr--;	return;
	secLastParamPtr++;
	if (secLastParamPtr + 3 > bounds) {
	dbgPrintf("secLastParamPtr going over boundary");
	fclose(grubConf);
	free(line);
	return 1;
	}
	dbgPrintf("secLastParamPtr: %s\n", secLastParamPtr);
	if (!strncmp(secLastParamPtr, "(hd", 3)) {
	secLastParamPtr += 3;
	dbgPrintf("secLastParamPtr: %c\n", *secLastParamPtr);
	installDeviceNumber = *secLastParamPtr;
	} else {
	installDeviceNumber = *lastParamPtr;
2731	}	}
2732
2733	*devicePtr = malloc(6);	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))
2734	snprintf(*devicePtr, 6, "(hd%c)", installDeviceNumber);	printf("kernel=%s\n", line->elements[1].item);
2735	dbgPrintf("installDeviceNumber: %c\n", installDeviceNumber);	else
2736	fclose(grubConf);	printf("kernel=%s%s\n", prefix, line->elements[1].item);
	free(line);
	return 0;
	}
2737
2738	free(line);	if (line->numElements >= 3) {
2739	fclose(grubConf);	printf("args=\"");
2740	return 1;	i = 2;
2741	}	while (i < line->numElements) {
2742		if (!strncmp(line->elements[i].item, "root=", 5)) {
2743	int grubGetBootFromDeviceMap(const char * device,	root = line->elements[i].item + 5;
2744	char ** bootPtr) {	} else {
2745	FILE * deviceMap;	printf("%s%s", line->elements[i].item,
2746	char * line = NULL;	line->elements[i].indent);
2747	size_t res = 0, len = 0;	}
	char * devicePtr;
	char * bounds = NULL;
	const char * path;
	const static char default_path[] = "/boot/grub/device.map";
	if (!device) return 1;
	if (!bootPtr) return 1;
	if ((path = getenv("GRUBBY_GRUB_DEVICE_MAP")) == NULL)
	path = default_path;
	dbgPrintf("opening grub device.map file from: %s\n", path);
	deviceMap = fopen(path, "r");
	if (!deviceMap)
	return 1;
2748
2749	while ((res = getline(&line, &len, deviceMap)) != -1) {	i++;
2750	if (!strncmp(line, "#", 1))	}
2751	continue;	printf("\"\n");
2752		} else {
2753	if (line[res - 1] == '\n')	line = getLineByType(LT_KERNELARGS, entry->lines);
2754	line[res - 1] = '\0';	if (line) {
2755	else if (len > res)	char *s;
2756	line[res] = '\0';
2757	else {	printf("args=\"");
2758	line = realloc(line, res + 1);	i = 1;
2759	line[res] = '\0';	while (i < line->numElements) {
2760	}	if (!strncmp
2761		(line->elements[i].item, "root=", 5)) {
2762		root = line->elements[i].item + 5;
2763		} else {
2764		s = line->elements[i].item;
2765
2766	devicePtr = line;	printf("%s%s", s,
2767	bounds = line + res;	line->elements[i].indent);
2768		}
2769
2770	while ((isspace(*line) && ((devicePtr + 1) <= bounds)))	i++;
2771	devicePtr++;	}
	dbgPrintf("device: %s\n", devicePtr);
2772
2773	if (!strncmp(devicePtr, device, strlen(device))) {	s = line->elements[i - 1].indent;
2774	devicePtr += strlen(device);	printf("\"\n");
2775	while (isspace(*devicePtr) && ((devicePtr + 1) <= bounds))	}
2776	devicePtr++;	}
2777
2778	*bootPtr = strdup(devicePtr);	if (!root) {
2779	break;	line = getLineByType(LT_ROOT, entry->lines);
2780		if (line && line->numElements >= 2)
2781		root = line->elements[1].item;
2782	}	}
	}
2783
2784	free(line);	if (root) {
2785	fclose(deviceMap);	char *s = alloca(strlen(root) + 1);
	return 0;
	}
2786
2787	int suseGrubConfGetBoot(const char * path, char ** bootPtr) {	strcpy(s, root);
2788	char * grubDevice;	if (s[strlen(s) - 1] == '"')
2789		s[strlen(s) - 1] = '\0';
2790		/* make sure the root doesn't have a trailing " */
2791		printf("root=%s\n", s);
2792		}
2793
2794	if (suseGrubConfGetInstallDevice(path, &grubDevice))	line =
2795	dbgPrintf("error looking for grub installation device\n");	getLineByType(LT_INITRD | LT_INITRD_EFI | LT_INITRD_16,
2796	else	entry->lines);
	dbgPrintf("grubby installation device: %s\n", grubDevice);
	if (grubGetBootFromDeviceMap(grubDevice, bootPtr))
	dbgPrintf("error looking for grub boot device\n");
	else
	dbgPrintf("grubby boot device: %s\n", *bootPtr);
2797
2798	free(grubDevice);	if (line && line->numElements >= 2) {
2799	return 0;	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))
2800	}	printf("initrd=");
2801		else
2802		printf("initrd=%s", prefix);
2803
2804	int parseSuseGrubConf(int * lbaPtr, char ** bootPtr) {	for (i = 1; i < line->numElements; i++)
2805	/*	printf("%s%s", line->elements[i].item,
2806	* This SuSE grub configuration file at this location is not your average	line->elements[i].indent);
2807	* grub configuration file, but instead the grub commands used to setup	printf("\n");
2808	* grub on that system.	}
	*/
	const char * path;
	const static char default_path[] = "/etc/grub.conf";
	if ((path = getenv("GRUBBY_SUSE_GRUB_CONF")) == NULL)
	path = default_path;
	if (!isSuseGrubConf(path)) return 1;
	if (lbaPtr) {
	*lbaPtr = 0;
	if (suseGrubConfGetLba(path, lbaPtr))
	return 1;
	}
2809
2810	if (bootPtr) {	line = getLineByType(LT_TITLE, entry->lines);
2811	*bootPtr = NULL;	if (line) {
2812	suseGrubConfGetBoot(path, bootPtr);	char *entryTitle;
2813	}	/* if we can extractTitle, then it's a zipl config and
2814		* if not then we go ahead with what's existed prior */
2815		entryTitle = extractTitle(config, line);
2816		if (!entryTitle) {
2817		entryTitle=line->elements[1].item;
2818		}
2819		printf("title=%s\n", entryTitle);
2820		} else {
2821		char *title;
2822		line = getLineByType(LT_MENUENTRY, entry->lines);
2823		if (line) {
2824		title = grub2ExtractTitle(line);
2825		if (title)
2826		printf("title=%s\n", title);
2827		}
2828		}
2829
2830	return 0;	for (j = 0, line = entry->lines; line; line = line->next) {
2831		if ((line->type & LT_MBMODULE) && line->numElements >= 2) {
2832		if (!strncmp
2833		(prefix, line->elements[1].item, strlen(prefix)))
2834		printf("mbmodule%d=", j);
2835		else
2836		printf("mbmodule%d=%s", j, prefix);
2837
2838		for (i = 1; i < line->numElements; i++)
2839		printf("%s%s", line->elements[i].item,
2840		line->elements[i].indent);
2841		printf("\n");
2842		j++;
2843		}
2844		}
2845	}	}
2846
2847	int parseSysconfigGrub(int * lbaPtr, char ** bootPtr) {	int isSuseSystem(void)
2848	FILE * in;	{
2849	char buf[1024];	const char *path;
2850	char * chptr;	const static char default_path[] = "/etc/SuSE-release";
	char * start;
	char * param;
	in = fopen("/etc/conf.d/grub", "r");
	if (!in) return 1;
	if (lbaPtr) *lbaPtr = 0;
	if (bootPtr) *bootPtr = NULL;
	while (fgets(buf, sizeof(buf), in)) {
	start = buf;
	while (isspace(*start)) start++;
	if (*start == '#') continue;
	chptr = strchr(start, '=');
	if (!chptr) continue;
	chptr--;
	while (*chptr && isspace(*chptr)) chptr--;
	chptr++;
	*chptr = '\0';
	param = chptr + 1;
	while (*param && isspace(*param)) param++;
	if (*param == '=') {
	param++;
	while (*param && isspace(*param)) param++;
	}
	chptr = param;
	while (*chptr && !isspace(*chptr)) chptr++;
	*chptr = '\0';
	if (!strcmp(start, "forcelba") && !strcmp(param, "1") && lbaPtr)
	*lbaPtr = 1;
	else if (!strcmp(start, "boot") && bootPtr)
	*bootPtr = strdup(param);
	}
2851
2852	fclose(in);	if ((path = getenv("GRUBBY_SUSE_RELEASE")) == NULL)
2853		path = default_path;
2854
2855	return 0;	if (!access(path, R_OK))
2856		return 1;
2857		return 0;
2858	}	}
2859
2860	void dumpSysconfigGrub(void) {	int isSuseGrubConf(const char *path)
2861	char * boot = NULL;	{
2862	int lba;	FILE *grubConf;
2863		char *line = NULL;
2864	if (isSuseSystem()) {	size_t len = 0, res = 0;
2865	if (parseSuseGrubConf(&lba, &boot)) {
2866	free(boot);	grubConf = fopen(path, "r");
2867	return;	if (!grubConf) {
2868	}	dbgPrintf("Could not open SuSE configuration file '%s'\n",
2869	} else {	path);
2870	if (parseSysconfigGrub(&lba, &boot)) {	return 0;
	free(boot);
	return;
2871	}	}
	}
	if (lba) printf("lba\n");
	if (boot) {
	printf("boot=%s\n", boot);
	free(boot);
	}
	}
	int displayInfo(struct grubConfig * config, char * kernel,
	const char * prefix) {
	int i = 0;
	struct singleEntry * entry;
	struct singleLine * line;
	entry = findEntryByPath(config, kernel, prefix, &i);
	if (!entry) {
	fprintf(stderr, _("grubby: kernel not found\n"));
	return 1;
	}
2872
2873	/* this is a horrible hack to support /etc/conf.d/grub; there must	while ((res = getline(&line, &len, grubConf)) != -1) {
2874	be a better way */	if (!strncmp(line, "setup", 5)) {
2875	if (config->cfi == &grubConfigType) {	fclose(grubConf);
2876	dumpSysconfigGrub();	free(line);
2877	} else {	return 1;
2878	line = getLineByType(LT_BOOT, config->theLines);	}
	if (line && line->numElements >= 1) {
	printf("boot=%s\n", line->elements[1].item);
2879	}	}
2880
2881	line = getLineByType(LT_LBA, config->theLines);	dbgPrintf("SuSE configuration file '%s' does not appear to be valid\n",
2882	if (line) printf("lba\n");	path);
	}
	displayEntry(entry, prefix, i);
	i++;
	while ((entry = findEntryByPath(config, kernel, prefix, &i))) {
	displayEntry(entry, prefix, i);
	i++;
	}
2883
2884	return 0;	fclose(grubConf);
2885		free(line);
2886		return 0;
2887	}	}
2888
2889	struct singleLine * addLineTmpl(struct singleEntry * entry,	int suseGrubConfGetLba(const char *path, int *lbaPtr)
2890	struct singleLine * tmplLine,	{
2891	struct singleLine * prevLine,	FILE *grubConf;
2892	const char * val,	char *line = NULL;
2893	struct configFileInfo * cfi)	size_t res = 0, len = 0;
	{
	struct singleLine * newLine = lineDup(tmplLine);
	if (isEfi && cfi == &grub2ConfigType) {
	enum lineType_e old = newLine->type;
	newLine->type = preferredLineType(newLine->type, cfi);
	if (old != newLine->type)
	newLine->elements[0].item = getKeyByType(newLine->type, cfi);
	}
2894
2895	if (val) {	if (!path)
2896	/* override the inherited value with our own.	return 1;
2897	* This is a little weak because it only applies to elements[1]	if (!lbaPtr)
2898	*/	return 1;
	if (newLine->numElements > 1)
	removeElement(newLine, 1);
	insertElement(newLine, val, 1, cfi);
	/* but try to keep the rootspec from the template... sigh */
	if (tmplLine->type & (LT_HYPER|LT_KERNEL|LT_MBMODULE|LT_INITRD|LT_KERNEL_EFI|LT_INITRD_EFI|LT_KERNEL_16|LT_INITRD_16)) {
	char * rootspec = getRootSpecifier(tmplLine->elements[1].item);
	if (rootspec != NULL) {
	free(newLine->elements[1].item);
	newLine->elements[1].item =
	sdupprintf("%s%s", rootspec, val);
	}
	}
	}
2899
2900	dbgPrintf("addLineTmpl(%s)\n", newLine->numElements ?	grubConf = fopen(path, "r");
2901	newLine->elements[0].item : "");	if (!grubConf)
2902		return 1;
2903
2904	if (!entry->lines) {	while ((res = getline(&line, &len, grubConf)) != -1) {
2905	/* first one on the list */	if (line[res - 1] == '\n')
2906	entry->lines = newLine;	line[res - 1] = '\0';
2907	} else if (prevLine) {	else if (len > res)
2908	/* add after prevLine */	line[res] = '\0';
2909	newLine->next = prevLine->next;	else {
2910	prevLine->next = newLine;	line = realloc(line, res + 1);
2911	}	line[res] = '\0';
2912		}
2913
2914		if (!strncmp(line, "setup", 5)) {
2915		if (strstr(line, "--force-lba")) {
2916		*lbaPtr = 1;
2917		} else {
2918		*lbaPtr = 0;
2919		}
2920		dbgPrintf("lba: %i\n", *lbaPtr);
2921		break;
2922		}
2923		}
2924
2925	return newLine;	free(line);
2926		fclose(grubConf);
2927		return 0;
2928	}	}
2929
2930	/* val may be NULL */	int suseGrubConfGetInstallDevice(const char *path, char **devicePtr)
2931	struct singleLine *  addLine(struct singleEntry * entry,	{
2932	struct configFileInfo * cfi,	FILE *grubConf;
2933	enum lineType_e type, char * defaultIndent,	char *line = NULL;
2934	const char * val) {	size_t res = 0, len = 0;
2935	struct singleLine * line, * prev;	char *lastParamPtr = NULL;
2936	struct keywordTypes * kw;	char *secLastParamPtr = NULL;
2937	struct singleLine tmpl;	char installDeviceNumber = '\0';
2938		char *bounds = NULL;
	/* NB: This function shouldn't allocate items on the heap, rather on the
	* stack since it calls addLineTmpl which will make copies.
	*/
	if (type == LT_TITLE && cfi->titleBracketed) {
	/* we're doing a bracketed title (zipl) */
	tmpl.type = type;
	tmpl.numElements = 1;
	tmpl.elements = alloca(sizeof(*tmpl.elements));
	tmpl.elements[0].item = alloca(strlen(val)+3);
	sprintf(tmpl.elements[0].item, "[%s]", val);
	tmpl.elements[0].indent = "";
	val = NULL;
	} else if (type == LT_MENUENTRY) {
	char *lineend = "--class gnu-linux --class gnu --class os {";
	if (!val) {
	fprintf(stderr, "Line type LT_MENUENTRY requires a value\n");
	abort();
	}
	kw = getKeywordByType(type, cfi);
	if (!kw) {
	fprintf(stderr, "Looking up keyword for unknown type %d\n", type);
	abort();
	}
	tmpl.indent = "";
	tmpl.type = type;
	tmpl.numElements = 3;
	tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements);
	tmpl.elements[0].item = kw->key;
	tmpl.elements[0].indent = alloca(2);
	sprintf(tmpl.elements[0].indent, "%c", kw->nextChar);
	tmpl.elements[1].item = (char *)val;
	tmpl.elements[1].indent = alloca(2);
	sprintf(tmpl.elements[1].indent, "%c", kw->nextChar);
	tmpl.elements[2].item = alloca(strlen(lineend)+1);
	strcpy(tmpl.elements[2].item, lineend);
	tmpl.elements[2].indent = "";
	} else {
	kw = getKeywordByType(type, cfi);
	if (!kw) {
	fprintf(stderr, "Looking up keyword for unknown type %d\n", type);
	abort();
	}
	tmpl.type = type;
	tmpl.numElements = val ? 2 : 1;
	tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements);
	tmpl.elements[0].item = kw->key;
	tmpl.elements[0].indent = alloca(2);
	sprintf(tmpl.elements[0].indent, "%c", kw->nextChar);
	if (val) {
	tmpl.elements[1].item = (char *)val;
	tmpl.elements[1].indent = "";
	}
	}
2939
2940	/* The last non-empty line gives us the indention to us and the line	if (!path)
2941	to insert after. Note that comments are considered empty lines, which	return 1;
2942	may not be ideal? If there are no lines or we are looking at the	if (!devicePtr)
2943	first line, we use defaultIndent (the first line is normally indented	return 1;
	differently from the rest) */
	for (line = entry->lines, prev = NULL; line; line = line->next) {
	if (line->numElements) prev = line;
	/* fall back on the last line if prev isn't otherwise set */
	if (!line->next && !prev) prev = line;
	}
2944
2945	struct singleLine *menuEntry;	grubConf = fopen(path, "r");
2946	menuEntry = getLineByType(LT_MENUENTRY, entry->lines);	if (!grubConf)
2947	if (tmpl.type == LT_ENTRY_END) {	return 1;
	if (menuEntry)
	tmpl.indent = menuEntry->indent;
	else
	tmpl.indent = defaultIndent ?: "";
	} else if (tmpl.type != LT_MENUENTRY) {
	if (menuEntry)
	tmpl.indent = "\t";
	else if (prev == entry->lines)
	tmpl.indent = defaultIndent ?: "";
	else
	tmpl.indent = prev->indent;
	}
2948
2949	return addLineTmpl(entry, &tmpl, prev, val, cfi);	while ((res = getline(&line, &len, grubConf)) != -1) {
2950	}	if (strncmp(line, "setup", 5))
2951		continue;
2952
2953		if (line[res - 1] == '\n')
2954		line[res - 1] = '\0';
2955		else if (len > res)
2956		line[res] = '\0';
2957		else {
2958		line = realloc(line, res + 1);
2959		line[res] = '\0';
2960		}
2961
2962	void removeLine(struct singleEntry * entry, struct singleLine * line) {	lastParamPtr = bounds = line + res;
	struct singleLine * prev;
	int i;
2963
2964	for (i = 0; i < line->numElements; i++) {	/* Last parameter in grub may be an optional IMAGE_DEVICE */
2965	free(line->elements[i].item);	while (!isspace(*lastParamPtr))
2966	free(line->elements[i].indent);	lastParamPtr--;
2967	}	lastParamPtr++;
2968	free(line->elements);
2969	free(line->indent);	secLastParamPtr = lastParamPtr - 2;
2970		dbgPrintf("lastParamPtr: %s\n", lastParamPtr);
2971
2972		if (lastParamPtr + 3 > bounds) {
2973		dbgPrintf("lastParamPtr going over boundary");
2974		fclose(grubConf);
2975		free(line);
2976		return 1;
2977		}
2978		if (!strncmp(lastParamPtr, "(hd", 3))
2979		lastParamPtr += 3;
2980		dbgPrintf("lastParamPtr: %c\n", *lastParamPtr);
2981
2982		/*
2983		* Second last parameter will decide wether last parameter is
2984		* an IMAGE_DEVICE or INSTALL_DEVICE
2985		*/
2986		while (!isspace(*secLastParamPtr))
2987		secLastParamPtr--;
2988		secLastParamPtr++;
2989
2990		if (secLastParamPtr + 3 > bounds) {
2991		dbgPrintf("secLastParamPtr going over boundary");
2992		fclose(grubConf);
2993		free(line);
2994		return 1;
2995		}
2996		dbgPrintf("secLastParamPtr: %s\n", secLastParamPtr);
2997		if (!strncmp(secLastParamPtr, "(hd", 3)) {
2998		secLastParamPtr += 3;
2999		dbgPrintf("secLastParamPtr: %c\n", *secLastParamPtr);
3000		installDeviceNumber = *secLastParamPtr;
3001		} else {
3002		installDeviceNumber = *lastParamPtr;
3003		}
3004
3005	if (line == entry->lines) {	*devicePtr = malloc(6);
3006	entry->lines = line->next;	snprintf(*devicePtr, 6, "(hd%c)", installDeviceNumber);
3007	} else {	dbgPrintf("installDeviceNumber: %c\n", installDeviceNumber);
3008	prev = entry->lines;	fclose(grubConf);
3009	while (prev->next != line) prev = prev->next;	free(line);
3010	prev->next = line->next;	return 0;
3011	}	}
3012
3013	free(line);	free(line);
3014		fclose(grubConf);
3015		return 1;
3016	}	}
3017
3018	static void requote(struct singleLine *tmplLine, struct configFileInfo * cfi)	int grubGetBootFromDeviceMap(const char *device, char **bootPtr)
3019	{	{
3020	struct singleLine newLine = {	FILE *deviceMap;
3021	.indent = tmplLine->indent,	char *line = NULL;
3022	.type = tmplLine->type,	size_t res = 0, len = 0;
3023	.next = tmplLine->next,	char *devicePtr;
3024	};	char *bounds = NULL;
3025	int firstQuotedItem = -1;	const char *path;
3026	int quoteLen = 0;	const static char default_path[] = "/boot/grub/device.map";
	int j;
	int element = 0;
	char *c;
	c = malloc(strlen(tmplLine->elements[0].item) + 1);
	strcpy(c, tmplLine->elements[0].item);
	insertElement(&newLine, c, element++, cfi);
	free(c);
	c = NULL;
	for (j = 1; j < tmplLine->numElements; j++) {
	if (firstQuotedItem == -1) {
	quoteLen += strlen(tmplLine->elements[j].item);
	if (isquote(tmplLine->elements[j].item[0])) {
	firstQuotedItem = j;
	quoteLen += strlen(tmplLine->elements[j].indent);
	} else {
	c = malloc(quoteLen + 1);
	strcpy(c, tmplLine->elements[j].item);
	insertElement(&newLine, c, element++, cfi);
	free(c);
	quoteLen = 0;
	}
	} else {
	int itemlen = strlen(tmplLine->elements[j].item);
	quoteLen += itemlen;
	quoteLen += strlen(tmplLine->elements[j].indent);
	if (isquote(tmplLine->elements[j].item[itemlen - 1])) {
	c = malloc(quoteLen + 1);
	c[0] = '\0';
	for (int i = firstQuotedItem; i < j+1; i++) {
	strcat(c, tmplLine->elements[i].item);
	strcat(c, tmplLine->elements[i].indent);
	}
	insertElement(&newLine, c, element++, cfi);
	free(c);
	firstQuotedItem = -1;
	quoteLen = 0;
	}
	}
	}
	while (tmplLine->numElements)
	removeElement(tmplLine, 0);
	if (tmplLine->elements)
	free(tmplLine->elements);
	tmplLine->numElements = newLine.numElements;
	tmplLine->elements = newLine.elements;
	}
	static void insertElement(struct singleLine * line,
	const char * item, int insertHere,
	struct configFileInfo * cfi)
	{
	struct keywordTypes * kw;
	char indent[2] = "";
	/* sanity check */
	if (insertHere > line->numElements) {
	dbgPrintf("insertElement() adjusting insertHere from %d to %d\n",
	insertHere, line->numElements);
	insertHere = line->numElements;
	}
	line->elements = realloc(line->elements, (line->numElements + 1) *
	sizeof(*line->elements));
	memmove(&line->elements[insertHere+1],
	&line->elements[insertHere],
	(line->numElements - insertHere) *
	sizeof(*line->elements));
	line->elements[insertHere].item = strdup(item);
	kw = getKeywordByType(line->type, cfi);
	if (line->numElements == 0) {
	indent[0] = '\0';
	} else if (insertHere == 0) {
	indent[0] = kw->nextChar;
	} else if (kw->separatorChar != '\0') {
	indent[0] = kw->separatorChar;
	} else {
	indent[0] = ' ';
	}
3027
3028	if (insertHere > 0 && line->elements[insertHere-1].indent[0] == '\0') {	if (!device)
3029	/* move the end-of-line forward */	return 1;
3030	line->elements[insertHere].indent =	if (!bootPtr)
3031	line->elements[insertHere-1].indent;	return 1;
	line->elements[insertHere-1].indent = strdup(indent);
	} else {
	line->elements[insertHere].indent = strdup(indent);
	}
3032
3033	line->numElements++;	if ((path = getenv("GRUBBY_GRUB_DEVICE_MAP")) == NULL)
3034		path = default_path;
3035
3036	dbgPrintf("insertElement(%s, '%s%s', %d)\n",	dbgPrintf("opening grub device.map file from: %s\n", path);
3037	line->elements[0].item,	deviceMap = fopen(path, "r");
3038	line->elements[insertHere].item,	if (!deviceMap)
3039	line->elements[insertHere].indent,	return 1;
	insertHere);
	}
3040
3041	static void removeElement(struct singleLine * line, int removeHere) {	while ((res = getline(&line, &len, deviceMap)) != -1) {
3042	int i;	if (!strncmp(line, "#", 1))
3043		continue;
3044
3045		if (line[res - 1] == '\n')
3046		line[res - 1] = '\0';
3047		else if (len > res)
3048		line[res] = '\0';
3049		else {
3050		line = realloc(line, res + 1);
3051		line[res] = '\0';
3052		}
3053
3054	/* sanity check */	devicePtr = line;
3055	if (removeHere >= line->numElements) return;	bounds = line + res;
3056
3057	dbgPrintf("removeElement(%s, %d:%s)\n", line->elements[0].item,	while ((isspace(*line) && ((devicePtr + 1) <= bounds)))
3058	removeHere, line->elements[removeHere].item);	devicePtr++;
3059		dbgPrintf("device: %s\n", devicePtr);
3060
3061		if (!strncmp(devicePtr, device, strlen(device))) {
3062		devicePtr += strlen(device);
3063		while (isspace(*devicePtr)
3064		&& ((devicePtr + 1) <= bounds))
3065		devicePtr++;
3066
3067	free(line->elements[removeHere].item);	*bootPtr = strdup(devicePtr);
3068		break;
3069		}
3070		}
3071
3072	if (removeHere > 1) {	free(line);
3073	/* previous argument gets this argument's post-indentation */	fclose(deviceMap);
3074	free(line->elements[removeHere-1].indent);	return 0;
3075	line->elements[removeHere-1].indent =	}
	line->elements[removeHere].indent;
	} else {
	free(line->elements[removeHere].indent);
	}
3076
3077	/* now collapse the array, but don't bother to realloc smaller */	int suseGrubConfGetBoot(const char *path, char **bootPtr)
3078	for (i = removeHere; i < line->numElements - 1; i++)	{
3079	line->elements[i] = line->elements[i + 1];	char *grubDevice;
	line->numElements--;
	}
	int argMatch(const char * one, const char * two) {
	char * first, * second;
	char * chptr;
	first = strcpy(alloca(strlen(one) + 1), one);
	second = strcpy(alloca(strlen(two) + 1), two);
	chptr = strchr(first, '=');
	if (chptr) *chptr = '\0';
	chptr = strchr(second, '=');
	if (chptr) *chptr = '\0';
	return strcmp(first, second);
	}
	int updateActualImage(struct grubConfig * cfg, const char * image,
	const char * prefix, const char * addArgs,
	const char * removeArgs, int multibootArgs) {
	struct singleEntry * entry;
	struct singleLine * line, * rootLine;
	int index = 0;
	int i, k;
	const char ** newArgs, ** oldArgs;
	const char ** arg;
	int useKernelArgs, useRoot;
	int firstElement;
	int *usedElements;
	int doreplace;
	if (!image) return 0;
	if (!addArgs) {
	newArgs = malloc(sizeof(*newArgs));
	*newArgs = NULL;
	} else {
	if (poptParseArgvString(addArgs, NULL, &newArgs)) {
	fprintf(stderr,
	_("grubby: error separating arguments '%s'\n"), addArgs);
	return 1;
	}
	}
3080
3081	if (!removeArgs) {	if (suseGrubConfGetInstallDevice(path, &grubDevice))
3082	oldArgs = malloc(sizeof(*oldArgs));	dbgPrintf("error looking for grub installation device\n");
3083	*oldArgs = NULL;	else
3084	} else {	dbgPrintf("grubby installation device: %s\n", grubDevice);
	if (poptParseArgvString(removeArgs, NULL, &oldArgs)) {
	fprintf(stderr,
	_("grubby: error separating arguments '%s'\n"), removeArgs);
	free(newArgs);
	return 1;
	}
	}
3085
3086		if (grubGetBootFromDeviceMap(grubDevice, bootPtr))
3087		dbgPrintf("error looking for grub boot device\n");
3088		else
3089		dbgPrintf("grubby boot device: %s\n", *bootPtr);
3090
3091	useKernelArgs = (getKeywordByType(LT_KERNELARGS, cfg->cfi)	free(grubDevice);
3092	&& (!multibootArgs || cfg->cfi->mbConcatArgs));	return 0;
3093		}
3094
3095	useRoot = (getKeywordByType(LT_ROOT, cfg->cfi)	int parseSuseGrubConf(int *lbaPtr, char **bootPtr)
3096	&& !multibootArgs);	{
3097		/*
3098		* This SuSE grub configuration file at this location is not your
3099		* average grub configuration file, but instead the grub commands
3100		* used to setup grub on that system.
3101		*/
3102		const char *path;
3103		const static char default_path[] = "/etc/grub.conf";
3104
3105	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {	if ((path = getenv("GRUBBY_SUSE_GRUB_CONF")) == NULL)
3106		path = default_path;
3107
3108	if (multibootArgs && !entry->multiboot)	if (!isSuseGrubConf(path))
3109	continue;	return 1;
3110
3111	/* Determine where to put the args.  If this config supports	if (lbaPtr) {
3112	* LT_KERNELARGS, use that.  Otherwise use	*lbaPtr = 0;
3113	* LT_HYPER/LT_KERNEL/LT_MBMODULE lines.	if (suseGrubConfGetLba(path, lbaPtr))
3114	*/	return 1;
3115	if (useKernelArgs) {	}
	line = getLineByType(LT_KERNELARGS, entry->lines);
	if (!line) {
	/* no LT_KERNELARGS, need to add it */
	line = addLine(entry, cfg->cfi, LT_KERNELARGS,
	cfg->secondaryIndent, NULL);
	}
	firstElement = 1;
	} else if (multibootArgs) {
	line = getLineByType(LT_HYPER, entry->lines);
	if (!line) {
	/* a multiboot entry without LT_HYPER? */
	continue;
	}
	firstElement = 2;
3116
3117	} else {	if (bootPtr) {
3118	line = getLineByType(LT_KERNEL|LT_MBMODULE|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);	*bootPtr = NULL;
3119	if (!line) {	suseGrubConfGetBoot(path, bootPtr);
	/* no LT_KERNEL or LT_MBMODULE in this entry? */
	continue;
	}
	firstElement = 2;
3120	}	}
3121
3122	/* handle the elilo case which does:	return 0;
3123	*   append="hypervisor args -- kernel args"	}
	*/
	if (entry->multiboot && cfg->cfi->mbConcatArgs) {
	/* this is a multiboot entry, make sure there's
	* -- on the args line
	*/
	for (i = firstElement; i < line->numElements; i++) {
	if (!strcmp(line->elements[i].item, "--"))
	break;
	}
	if (i == line->numElements) {
	/* assume all existing args are kernel args,
	* prepend -- to make it official
	*/
	insertElement(line, "--", firstElement, cfg->cfi);
	i = firstElement;
	}
	if (!multibootArgs) {
	/* kernel args start after the -- */
	firstElement = i + 1;
	}
	} else if (cfg->cfi->mbConcatArgs) {
	/* this is a non-multiboot entry, remove hyper args */
	for (i = firstElement; i < line->numElements; i++) {
	if (!strcmp(line->elements[i].item, "--"))
	break;
	}
	if (i < line->numElements) {
	/* remove args up to -- */
	while (strcmp(line->elements[firstElement].item, "--"))
	removeElement(line, firstElement);
	/* remove -- */
	removeElement(line, firstElement);
	}
	}
	usedElements = calloc(line->numElements, sizeof(*usedElements));
	for (k = 0, arg = newArgs; *arg; arg++, k++) {
	doreplace = 1;
	for (i = firstElement; i < line->numElements; i++) {
	if (multibootArgs && cfg->cfi->mbConcatArgs &&
	!strcmp(line->elements[i].item, "--"))
	{
	/* reached the end of hyper args, insert here */
	doreplace = 0;
	break;
	}
	if (usedElements[i])
	continue;
	if (!argMatch(line->elements[i].item, *arg)) {
	usedElements[i]=1;
	break;
	}
	}
3124
3125	if (i < line->numElements && doreplace) {	int parseSysconfigGrub(int *lbaPtr, char **bootPtr)
3126	/* direct replacement */	{
3127	free(line->elements[i].item);	FILE *in;
3128	line->elements[i].item = strdup(*arg);	char buf[1024];
3129		char *chptr;
3130		char *start;
3131		char *param;
3132
3133	} else if (useRoot && !strncmp(*arg, "root=/dev/", 10)) {	in = fopen("/etc/sysconfig/grub", "r");
3134	/* root= replacement */	if (!in)
3135	rootLine = getLineByType(LT_ROOT, entry->lines);	return 1;
3136	if (rootLine) {
3137	free(rootLine->elements[1].item);	if (lbaPtr)
3138	rootLine->elements[1].item = strdup(*arg + 5);	*lbaPtr = 0;
3139	} else {	if (bootPtr)
3140	rootLine = addLine(entry, cfg->cfi, LT_ROOT,	*bootPtr = NULL;
3141	cfg->secondaryIndent, *arg + 5);
3142		while (fgets(buf, sizeof(buf), in)) {
3143		start = buf;
3144		while (isspace(*start))
3145		start++;
3146		if (*start == '#')
3147		continue;
3148
3149		chptr = strchr(start, '=');
3150		if (!chptr)
3151		continue;
3152		chptr--;
3153		while (*chptr && isspace(*chptr))
3154		chptr--;
3155		chptr++;
3156		*chptr = '\0';
3157
3158		param = chptr + 1;
3159		while (*param && isspace(*param))
3160		param++;
3161		if (*param == '=') {
3162		param++;
3163		while (*param && isspace(*param))
3164		param++;
3165	}	}
	}
3166
3167	else {	chptr = param;
3168	/* insert/append */	while (*chptr && !isspace(*chptr))
3169	insertElement(line, *arg, i, cfg->cfi);	chptr++;
3170	usedElements = realloc(usedElements, line->numElements *	*chptr = '\0';
3171	sizeof(*usedElements));
3172	memmove(&usedElements[i + 1], &usedElements[i],	if (!strcmp(start, "forcelba") && !strcmp(param, "1") && lbaPtr)
3173	line->numElements - i - 1);	*lbaPtr = 1;
3174	usedElements[i] = 1;	else if (!strcmp(start, "boot") && bootPtr)
3175		*bootPtr = strdup(param);
	/* if we updated a root= here even though there is a
	LT_ROOT available we need to remove the LT_ROOT entry
	(this will happen if we switch from a device to a label) */
	if (useRoot && !strncmp(*arg, "root=", 5)) {
	rootLine = getLineByType(LT_ROOT, entry->lines);
	if (rootLine)
	removeLine(entry, rootLine);
	}
	}
	}
	free(usedElements);
	for (arg = oldArgs; *arg; arg++) {
	for (i = firstElement; i < line->numElements; i++) {
	if (multibootArgs && cfg->cfi->mbConcatArgs &&
	!strcmp(line->elements[i].item, "--"))
	/* reached the end of hyper args, stop here */
	break;
	if (!argMatch(line->elements[i].item, *arg)) {
	removeElement(line, i);
	break;
	}
	}
	/* handle removing LT_ROOT line too */
	if (useRoot && !strncmp(*arg, "root=", 5)) {
	rootLine = getLineByType(LT_ROOT, entry->lines);
	if (rootLine)
	removeLine(entry, rootLine);
	}
	}
	if (line->numElements == 1) {
	/* don't need the line at all (note it has to be a
	LT_KERNELARGS for this to happen */
	removeLine(entry, line);
3176	}	}
	}
3177
3178	free(newArgs);	fclose(in);
	free(oldArgs);
3179
3180	return 0;	return 0;
3181	}	}
3182
3183	int updateImage(struct grubConfig * cfg, const char * image,	void dumpSysconfigGrub(void)
3184	const char * prefix, const char * addArgs,	{
3185	const char * removeArgs,	char *boot = NULL;
3186	const char * addMBArgs, const char * removeMBArgs) {	int lba;
	int rc = 0;
	if (!image) return rc;
	/* update the main args first... */
	if (addArgs || removeArgs)
	rc = updateActualImage(cfg, image, prefix, addArgs, removeArgs, 0);
	if (rc) return rc;
	/* and now any multiboot args */
	if (addMBArgs || removeMBArgs)
	rc = updateActualImage(cfg, image, prefix, addMBArgs, removeMBArgs, 1);
	return rc;
	}
	int addMBInitrd(struct grubConfig * cfg, const char *newMBKernel,
	const char * image, const char * prefix, const char * initrd) {
	struct singleEntry * entry;
	struct singleLine * line, * kernelLine, *endLine = NULL;
	int index = 0;
	if (!image) return 0;
	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
	kernelLine = getLineByType(LT_MBMODULE, entry->lines);
	if (!kernelLine) continue;
	if (prefix) {
	int prefixLen = strlen(prefix);
	if (!strncmp(initrd, prefix, prefixLen))
	initrd += prefixLen;
	}
	endLine = getLineByType(LT_ENTRY_END, entry->lines);
	if (endLine)
	removeLine(entry, endLine);
	line = addLine(entry, cfg->cfi, preferredLineType(LT_MBMODULE,cfg->cfi),
	kernelLine->indent, initrd);
	if (!line)
	return 1;
	if (endLine) {
	line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL);
	if (!line)
	return 1;
	}
3187
3188	break;	if (isSuseSystem()) {
3189	}	if (parseSuseGrubConf(&lba, &boot)) {
3190		free(boot);
3191		return;
3192		}
3193		} else {
3194		if (parseSysconfigGrub(&lba, &boot)) {
3195		free(boot);
3196		return;
3197		}
3198		}
3199
3200	return 0;	if (lba)
3201		printf("lba\n");
3202		if (boot) {
3203		printf("boot=%s\n", boot);
3204		free(boot);
3205		}
3206	}	}
3207
3208	int updateInitrd(struct grubConfig * cfg, const char * image,	int displayInfo(struct grubConfig *config, char *kernel, const char *prefix)
3209	const char * prefix, const char * initrd) {	{
3210	struct singleEntry * entry;	int i = 0;
3211	struct singleLine * line, * kernelLine, *endLine = NULL;	struct singleEntry *entry;
3212	int index = 0;	struct singleLine *line;
3213
3214	if (!image) return 0;	entry = findEntryByPath(config, kernel, prefix, &i);
3215		if (!entry) {
3216	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {	fprintf(stderr, _("grubby: kernel not found\n"));
	kernelLine = getLineByType(LT_KERNEL|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);
	if (!kernelLine) continue;
	line = getLineByType(LT_INITRD|LT_INITRD_EFI|LT_INITRD_16, entry->lines);
	if (line)
	removeLine(entry, line);
	if (prefix) {
	int prefixLen = strlen(prefix);
	if (!strncmp(initrd, prefix, prefixLen))
	initrd += prefixLen;
	}
	endLine = getLineByType(LT_ENTRY_END, entry->lines);
	if (endLine)
	removeLine(entry, endLine);
	enum lineType_e lt;
	switch(kernelLine->type) {
	case LT_KERNEL:
	lt = LT_INITRD;
	break;
	case LT_KERNEL_EFI:
	lt = LT_INITRD_EFI;
	break;
	case LT_KERNEL_16:
	lt = LT_INITRD_16;
	break;
	default:
	lt = preferredLineType(LT_INITRD, cfg->cfi);
	}
	line = addLine(entry, cfg->cfi, lt, kernelLine->indent, initrd);
	if (!line)
	return 1;
	if (endLine) {
	line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL);
	if (!line)
3217	return 1;	return 1;
3218	}	}
3219
3220	break;	/* this is a horrible hack to support /etc/sysconfig/grub; there must
3221	}	be a better way */
3222		if (config->cfi == &grubConfigType) {
3223	return 0;	dumpSysconfigGrub();
3224	}	} else {
3225		line = getLineByType(LT_BOOT, config->theLines);
3226	int checkDeviceBootloader(const char * device, const unsigned char * boot) {	if (line && line->numElements >= 1) {
3227	int fd;	printf("boot=%s\n", line->elements[1].item);
3228	unsigned char bootSect[512];	}
	int offset;
	fd = open(device, O_RDONLY);
	if (fd < 0) {
	fprintf(stderr, _("grubby: unable to open %s: %s\n"),
	device, strerror(errno));
	return 1;
	}
3229
3230	if (read(fd, bootSect, 512) != 512) {	line = getLineByType(LT_LBA, config->theLines);
3231	fprintf(stderr, _("grubby: unable to read %s: %s\n"),	if (line)
3232	device, strerror(errno));	printf("lba\n");
3233	return 1;	}
	}
	close(fd);
3234
3235	/* first three bytes should match, a jmp short should be in there */	displayEntry(config, entry, prefix, i);
	if (memcmp(boot, bootSect, 3))
	return 0;
3236
3237	if (boot[1] == JMP_SHORT_OPCODE) {	i++;
3238	offset = boot[2] + 2;	while ((entry = findEntryByPath(config, kernel, prefix, &i))) {
3239	} else if (boot[1] == 0xe8 || boot[1] == 0xe9) {	displayEntry(config, entry, prefix, i);
3240	offset = (boot[3] << 8) + boot[2] + 2;	i++;
3241	} else if (boot[0] == JMP_SHORT_OPCODE) {	}
	offset = boot[1] + 2;
	/*
	* it looks like grub, when copying stage1 into the mbr, patches stage1
	* right after the JMP location, replacing other instructions such as
	* JMPs for NOOPs. So, relax the check a little bit by skipping those
	* different bytes.
	*/
	if ((bootSect[offset + 1] == NOOP_OPCODE)
	&& (bootSect[offset + 2] == NOOP_OPCODE)) {
	offset = offset + 3;
	}
	} else if (boot[0] == 0xe8 || boot[0] == 0xe9) {
	offset = (boot[2] << 8) + boot[1] + 2;
	} else {
	return 0;
	}
3242
	if (memcmp(boot + offset, bootSect + offset, CODE_SEG_SIZE))
3243	return 0;	return 0;
	return 2;
3244	}	}
3245
3246	int checkLiloOnRaid(char * mdDev, const unsigned char * boot) {	struct singleLine *addLineTmpl(struct singleEntry *entry,
3247	int fd;	struct singleLine *tmplLine,
3248	char buf[65536];	struct singleLine *prevLine,
3249	char * end;	const char *val, struct configFileInfo *cfi)
3250	char * chptr;	{
3251	char * chptr2;	struct singleLine *newLine = lineDup(tmplLine);
	int rc;
	/* it's on raid; we need to parse /proc/mdstat and check all of the
	*raw* devices listed in there */
3252
3253	if (!strncmp(mdDev, "/dev/", 5))	if (isEfi && cfi == &grub2ConfigType) {
3254	mdDev += 5;	enum lineType_e old = newLine->type;
3255		newLine->type = preferredLineType(newLine->type, cfi);
3256		if (old != newLine->type)
3257		newLine->elements[0].item =
3258		getKeyByType(newLine->type, cfi);
3259		}
3260
3261	if ((fd = open("/proc/mdstat", O_RDONLY)) < 0) {	if (val) {
3262	fprintf(stderr, _("grubby: failed to open /proc/mdstat: %s\n"),	/* override the inherited value with our own.
3263	strerror(errno));	* This is a little weak because it only applies to elements[1]
3264	return 2;	*/
3265	}	if (newLine->numElements > 1)
3266		removeElement(newLine, 1);
3267		insertElement(newLine, val, 1, cfi);
3268
3269		/* but try to keep the rootspec from the template... sigh */
3270		if (tmplLine->
3271		type & (LT_HYPER | LT_KERNEL | LT_MBMODULE | LT_INITRD |
3272		LT_KERNEL_EFI | LT_INITRD_EFI | LT_KERNEL_16 |
3273		LT_INITRD_16)) {
3274		char *rootspec =
3275		getRootSpecifier(tmplLine->elements[1].item);
3276		if (rootspec != NULL) {
3277		free(newLine->elements[1].item);
3278		newLine->elements[1].item =
3279		sdupprintf("%s%s", rootspec, val);
3280		}
3281		}
3282		}
3283
3284	rc = read(fd, buf, sizeof(buf) - 1);	dbgPrintf("addLineTmpl(%s)\n", newLine->numElements ?
3285	if (rc < 0 || rc == (sizeof(buf) - 1)) {	newLine->elements[0].item : "");
	fprintf(stderr, _("grubby: failed to read /proc/mdstat: %s\n"),
	strerror(errno));
	close(fd);
	return 2;
	}
	close(fd);
	buf[rc] = '\0';
3286
3287	chptr = buf;	if (!entry->lines) {
3288	while (*chptr) {	/* first one on the list */
3289	end = strchr(chptr, '\n');	entry->lines = newLine;
3290	if (!end) break;	} else if (prevLine) {
3291	*end = '\0';	/* add after prevLine */
3292		newLine->next = prevLine->next;
3293		prevLine->next = newLine;
3294		}
3295
3296	if (!strncmp(chptr, mdDev, strlen(mdDev)) &&	return newLine;
3297	chptr[strlen(mdDev)] == ' ') {	}
3298
3299	/* found the device */	/* val may be NULL */
3300	while (*chptr && *chptr != ':') chptr++;	struct singleLine *addLine(struct singleEntry *entry,
3301	chptr++;	struct configFileInfo *cfi,
3302	while (*chptr && isspace(*chptr)) chptr++;	enum lineType_e type, char *defaultIndent,
3303		const char *val)
3304	/* skip the "active" bit */	{
3305	while (*chptr && !isspace(*chptr)) chptr++;	struct singleLine *line, *prev;
3306	while (*chptr && isspace(*chptr)) chptr++;	struct keywordTypes *kw;
3307		struct singleLine tmpl;
	/* skip the raid level */
	while (*chptr && !isspace(*chptr)) chptr++;
	while (*chptr && isspace(*chptr)) chptr++;
	/* everything else is partition stuff */
	while (*chptr) {
	chptr2 = chptr;
	while (*chptr2 && *chptr2 != '[') chptr2++;
	if (!*chptr2) break;
	/* yank off the numbers at the end */
	chptr2--;
	while (isdigit(*chptr2) && chptr2 > chptr) chptr2--;
	chptr2++;
	*chptr2 = '\0';
	/* Better, now we need the /dev/ back. We're done with
	* everything before this point, so we can just put
	* the /dev/ part there. There will always be room. */
	memcpy(chptr - 5, "/dev/", 5);
	rc = checkDeviceBootloader(chptr - 5, boot);
	if (rc != 2) {
	return rc;
	}
	chptr = chptr2 + 1;
	/* skip the [11] bit */
	while (*chptr && !isspace(*chptr)) chptr++;
	/* and move to the next one */
	while (*chptr && isspace(*chptr)) chptr++;
	}
3308
3309	/*  we're good to go */	/* NB: This function shouldn't allocate items on the heap, rather on
3310	return 2;	* the stack since it calls addLineTmpl which will make copies.
3311		*/
3312		if (type == LT_TITLE && cfi->titleBracketed) {
3313		/* we're doing a bracketed title (zipl) */
3314		tmpl.type = type;
3315		tmpl.numElements = 1;
3316		tmpl.elements = alloca(sizeof(*tmpl.elements));
3317		tmpl.elements[0].item = alloca(strlen(val) + 3);
3318		sprintf(tmpl.elements[0].item, "[%s]", val);
3319		tmpl.elements[0].indent = "";
3320		val = NULL;
3321		} else if (type == LT_MENUENTRY) {
3322		char *lineend = "--class gnu-linux --class gnu --class os {";
3323		if (!val) {
3324		fprintf(stderr,
3325		"Line type LT_MENUENTRY requires a value\n");
3326		abort();
3327		}
3328		kw = getKeywordByType(type, cfi);
3329		if (!kw) {
3330		fprintf(stderr,
3331		"Looking up keyword for unknown type %d\n",
3332		type);
3333		abort();
3334		}
3335		tmpl.indent = "";
3336		tmpl.type = type;
3337		tmpl.numElements = 3;
3338		tmpl.elements =
3339		alloca(sizeof(*tmpl.elements) * tmpl.numElements);
3340		tmpl.elements[0].item = kw->key;
3341		tmpl.elements[0].indent = alloca(2);
3342		sprintf(tmpl.elements[0].indent, "%c", kw->nextChar);
3343		tmpl.elements[1].item = (char *)val;
3344		tmpl.elements[1].indent = alloca(2);
3345		sprintf(tmpl.elements[1].indent, "%c", kw->nextChar);
3346		tmpl.elements[2].item = alloca(strlen(lineend) + 1);
3347		strcpy(tmpl.elements[2].item, lineend);
3348		tmpl.elements[2].indent = "";
3349		} else {
3350		kw = getKeywordByType(type, cfi);
3351		if (!kw) {
3352		fprintf(stderr,
3353		"Looking up keyword for unknown type %d\n",
3354		type);
3355		abort();
3356		}
3357		tmpl.type = type;
3358		tmpl.numElements = val ? 2 : 1;
3359		tmpl.elements =
3360		alloca(sizeof(*tmpl.elements) * tmpl.numElements);
3361		tmpl.elements[0].item = kw->key;
3362		tmpl.elements[0].indent = alloca(2);
3363		sprintf(tmpl.elements[0].indent, "%c", kw->nextChar);
3364		if (val) {
3365		tmpl.elements[1].item = (char *)val;
3366		tmpl.elements[1].indent = "";
3367		}
3368	}	}
3369
3370	chptr = end + 1;	/* The last non-empty line gives us the indention to us and the line
3371	}	* to insert after. Note that comments are considered empty lines,
3372		* which may not be ideal? If there are no lines or we are looking at
3373		* the first line, we use defaultIndent (the first line is normally
3374		* indented differently from the rest) */
3375		for (line = entry->lines, prev = NULL; line; line = line->next) {
3376		if (line->numElements)
3377		prev = line;
3378		/* fall back on the last line if prev isn't otherwise set */
3379		if (!line->next && !prev)
3380		prev = line;
3381		}
3382
3383		struct singleLine *menuEntry;
3384		menuEntry = getLineByType(LT_MENUENTRY, entry->lines);
3385		if (tmpl.type == LT_ENTRY_END) {
3386		if (menuEntry)
3387		tmpl.indent = menuEntry->indent;
3388		else
3389		tmpl.indent = defaultIndent ? : "";
3390		} else if (tmpl.type != LT_MENUENTRY) {
3391		if (menuEntry)
3392		tmpl.indent = "\t";
3393		else if (prev == entry->lines)
3394		tmpl.indent = defaultIndent ? : "";
3395		else
3396		tmpl.indent = prev->indent;
3397		}
3398
3399	fprintf(stderr,	return addLineTmpl(entry, &tmpl, prev, val, cfi);
	_("grubby: raid device /dev/%s not found in /proc/mdstat\n"),
	mdDev);
	return 0;
3400	}	}
3401
3402	int checkForLilo(struct grubConfig * config) {	void removeLine(struct singleEntry *entry, struct singleLine *line)
3403	int fd;	{
3404	unsigned char boot[512];	struct singleLine *prev;
3405	struct singleLine * line;	int i;
	for (line = config->theLines; line; line = line->next)
	if (line->type == LT_BOOT) break;
	if (!line) {
	fprintf(stderr,
	_("grubby: no boot line found in lilo configuration\n"));
	return 1;
	}
	if (line->numElements != 2) return 1;
	fd = open("/boot/boot.b", O_RDONLY);
	if (fd < 0) {
	fprintf(stderr, _("grubby: unable to open %s: %s\n"),
	"/boot/boot.b", strerror(errno));
	return 1;
	}
3406
3407	if (read(fd, boot, 512) != 512) {	for (i = 0; i < line->numElements; i++) {
3408	fprintf(stderr, _("grubby: unable to read %s: %s\n"),	free(line->elements[i].item);
3409	"/boot/boot.b", strerror(errno));	free(line->elements[i].indent);
3410	return 1;	}
3411	}	free(line->elements);
3412	close(fd);	free(line->indent);
3413
3414	if (!strncmp("/dev/md", line->elements[1].item, 7))	if (line == entry->lines) {
3415	return checkLiloOnRaid(line->elements[1].item, boot);	entry->lines = line->next;
3416		} else {
3417		prev = entry->lines;
3418		while (prev->next != line)
3419		prev = prev->next;
3420		prev->next = line->next;
3421		}
3422
3423	return checkDeviceBootloader(line->elements[1].item, boot);	free(line);
3424	}	}
3425
3426	int checkForGrub2(struct grubConfig * config) {	static void requote(struct singleLine *tmplLine, struct configFileInfo *cfi)
3427	if (!access("/etc/grub.d/", R_OK))	{
3428	return 2;	struct singleLine newLine = {
3429		.indent = tmplLine->indent,
3430		.type = tmplLine->type,
3431		.next = tmplLine->next,
3432		};
3433		int firstQuotedItem = -1;
3434		int quoteLen = 0;
3435		int j;
3436		int element = 0;
3437		char *c;
3438
3439	return 1;	c = malloc(strlen(tmplLine->elements[0].item) + 1);
3440	}	strcpy(c, tmplLine->elements[0].item);
3441		insertElement(&newLine, c, element++, cfi);
3442		free(c);
3443		c = NULL;
3444
3445		for (j = 1; j < tmplLine->numElements; j++) {
3446		if (firstQuotedItem == -1) {
3447		quoteLen += strlen(tmplLine->elements[j].item);
3448
3449		if (isquote(tmplLine->elements[j].item[0])) {
3450		firstQuotedItem = j;
3451		quoteLen +=
3452		strlen(tmplLine->elements[j].indent);
3453		} else {
3454		c = malloc(quoteLen + 1);
3455		strcpy(c, tmplLine->elements[j].item);
3456		insertElement(&newLine, c, element++, cfi);
3457		free(c);
3458		quoteLen = 0;
3459		}
3460		} else {
3461		int itemlen = strlen(tmplLine->elements[j].item);
3462		quoteLen += itemlen;
3463		quoteLen += strlen(tmplLine->elements[j].indent);
3464
3465		if (isquote(tmplLine->elements[j].item[itemlen - 1])) {
3466		c = malloc(quoteLen + 1);
3467		c[0] = '\0';
3468		for (int i = firstQuotedItem; i < j + 1; i++) {
3469		strcat(c, tmplLine->elements[i].item);
3470		strcat(c, tmplLine->elements[i].indent);
3471		}
3472		insertElement(&newLine, c, element++, cfi);
3473		free(c);
3474
3475	int checkForGrub(struct grubConfig * config) {	firstQuotedItem = -1;
3476	int fd;	quoteLen = 0;
3477	unsigned char bootSect[512];	}
3478	char * boot;	}
3479	int onSuse = isSuseSystem();	}
3480		while (tmplLine->numElements)
3481		removeElement(tmplLine, 0);
3482		if (tmplLine->elements)
3483		free(tmplLine->elements);
3484
3485		tmplLine->numElements = newLine.numElements;
3486		tmplLine->elements = newLine.elements;
3487		}
3488
3489		static void insertElement(struct singleLine *line,
3490		const char *item, int insertHere,
3491		struct configFileInfo *cfi)
3492		{
3493		struct keywordTypes *kw;
3494		char indent[2] = "";
3495
3496	if (onSuse) {	/* sanity check */
3497	if (parseSuseGrubConf(NULL, &boot))	if (insertHere > line->numElements) {
3498	return 0;	dbgPrintf
3499	} else {	("insertElement() adjusting insertHere from %d to %d\n",
3500	if (parseSysconfigGrub(NULL, &boot))	insertHere, line->numElements);
3501	return 0;	insertHere = line->numElements;
3502	}	}
3503
3504		line->elements = realloc(line->elements, (line->numElements + 1) *
3505		sizeof(*line->elements));
3506		memmove(&line->elements[insertHere + 1],
3507		&line->elements[insertHere],
3508		(line->numElements - insertHere) * sizeof(*line->elements));
3509		line->elements[insertHere].item = strdup(item);
3510
3511		kw = getKeywordByType(line->type, cfi);
3512
3513		if (line->numElements == 0) {
3514		indent[0] = '\0';
3515		} else if (insertHere == 0) {
3516		indent[0] = kw->nextChar;
3517		} else if (kw->separatorChar != '\0') {
3518		indent[0] = kw->separatorChar;
3519		} else {
3520		indent[0] = ' ';
3521		}
3522
3523	/* assume grub is not installed -- not an error condition */	if (insertHere > 0 && line->elements[insertHere - 1].indent[0] == '\0') {
3524	if (!boot)	/* move the end-of-line forward */
3525	return 0;	line->elements[insertHere].indent =
3526		line->elements[insertHere - 1].indent;
3527		line->elements[insertHere - 1].indent = strdup(indent);
3528		} else {
3529		line->elements[insertHere].indent = strdup(indent);
3530		}
3531
3532	fd = open("/boot/grub/stage1", O_RDONLY);	line->numElements++;
	if (fd < 0)
	/* this doesn't exist if grub hasn't been installed */
	return 0;
3533
3534	if (read(fd, bootSect, 512) != 512) {	dbgPrintf("insertElement(%s, '%s%s', %d)\n",
3535	fprintf(stderr, _("grubby: unable to read %s: %s\n"),	line->elements[0].item,
3536	"/boot/grub/stage1", strerror(errno));	line->elements[insertHere].item,
3537	close(fd);	line->elements[insertHere].indent, insertHere);
3538	return 1;	}
	}
	close(fd);
3539
3540	/* The more elaborate checks do not work on SuSE. The checks done	static void removeElement(struct singleLine *line, int removeHere)
3541	* seem to be reasonble (at least for now), so just return success	{
3542	*/	int i;
	if (onSuse)
	return 2;
3543
3544	return checkDeviceBootloader(boot, bootSect);	/* sanity check */
3545	}	if (removeHere >= line->numElements)
3546		return;
3547
3548		dbgPrintf("removeElement(%s, %d:%s)\n", line->elements[0].item,
3549		removeHere, line->elements[removeHere].item);
3550
3551		free(line->elements[removeHere].item);
3552
3553		if (removeHere > 1) {
3554		/* previous argument gets this argument's post-indentation */
3555		free(line->elements[removeHere - 1].indent);
3556		line->elements[removeHere - 1].indent =
3557		line->elements[removeHere].indent;
3558		} else {
3559		free(line->elements[removeHere].indent);
3560		}
3561
3562	int checkForExtLinux(struct grubConfig * config) {	/* now collapse the array, but don't bother to realloc smaller */
3563	int fd;	for (i = removeHere; i < line->numElements - 1; i++)
3564	unsigned char bootSect[512];	line->elements[i] = line->elements[i + 1];
	char * boot;
	char executable[] = "/boot/extlinux/extlinux";
3565
3566	printf("entered: checkForExtLinux()\n");	line->numElements--;
3567		}
3568
3569	if (parseSysconfigGrub(NULL, &boot))	static int argNameMatch(const char *one, const char *two)
3570	return 0;	{
3571		char *first, *second;
3572		char *chptra, *chptrb;
3573		int rc;
3574
3575	/* assume grub is not installed -- not an error condition */	first = strcpy(alloca(strlen(one) + 1), one);
3576	if (!boot)	second = strcpy(alloca(strlen(two) + 1), two);
	return 0;
3577
3578	fd = open(executable, O_RDONLY);	chptra = strchr(first, '=');
3579	if (fd < 0)	if (chptra)
3580	/* this doesn't exist if grub hasn't been installed */	*chptra = '\0';
	return 0;
3581
3582	if (read(fd, bootSect, 512) != 512) {	chptrb = strchr(second, '=');
3583	fprintf(stderr, _("grubby: unable to read %s: %s\n"),	if (chptrb)
3584	executable, strerror(errno));	*chptrb = '\0';
	return 1;
	}
	close(fd);
3585
3586	return checkDeviceBootloader(boot, bootSect);	rc = strcmp(first, second);
	}
3587
3588	int checkForYaboot(struct grubConfig * config) {	if (chptra)
3589	/*	*chptra = '=';
3590	* This is a simplistic check that we consider good enough for own puporses	if (chptrb)
3591	*	*chptrb = '=';
	* If we were to properly check if yaboot is *installed* we'd need to:
	* 1) get the system boot device (LT_BOOT)
	* 2) considering it's a raw filesystem, check if the yaboot binary matches
	*    the content on the boot device
	* 3) if not, copy the binary to a temporary file and run "addnote" on it
	* 4) check again if binary and boot device contents match
	*/
	if (!access("/etc/yaboot.conf", R_OK))
	return 2;
3592
3593	return 1;	return rc;
3594	}	}
3595
3596	int checkForElilo(struct grubConfig * config) {	static int argHasValue(const char *arg)
3597	if (!access("/etc/elilo.conf", R_OK))	{
3598	return 2;	char *chptr;
3599
3600	return 1;	chptr = strchr(arg, '=');
3601		if (chptr)
3602		return 1;
3603		return 0;
3604	}	}
3605
3606	static char * getRootSpecifier(char * str) {	static int argValueMatch(const char *one, const char *two)
3607	char * idx, * rootspec = NULL;	{
3608		char *first, *second;
3609		char *chptra, *chptrb;
3610
3611	if (*str == '(') {	first = strcpy(alloca(strlen(one) + 1), one);
3612	idx = rootspec = strdup(str);	second = strcpy(alloca(strlen(two) + 1), two);
	while(*idx && (*idx != ')') && (!isspace(*idx))) idx++;
	*(++idx) = '\0';
	}
	return rootspec;
	}
3613
3614	static char * getInitrdVal(struct grubConfig * config,	chptra = strchr(first, '=');
3615	const char * prefix, struct singleLine *tmplLine,	if (chptra)
3616	const char * newKernelInitrd,	chptra += 1;
	const char ** extraInitrds, int extraInitrdCount)
	{
	char *initrdVal, *end;
	int i;
	size_t totalSize;
	size_t prefixLen;
	char separatorChar;
	prefixLen = strlen(prefix);
	totalSize = strlen(newKernelInitrd) - prefixLen + 1 /* \0 */;
	for (i = 0; i < extraInitrdCount; i++) {
	totalSize += sizeof(separatorChar);
	totalSize += strlen(extraInitrds[i]) - prefixLen;
	}
3617
3618	initrdVal = end = malloc(totalSize);	chptrb = strchr(second, '=');
3619		if (chptrb)
3620		chptrb += 1;
3621
3622	end = stpcpy (end, newKernelInitrd + prefixLen);	if (!chptra && !chptrb)
3623		return 0;
3624		else if (!chptra)
3625		return *chptrb - 0;
3626		else if (!chptrb)
3627		return 0 - *chptra;
3628		else
3629		return strcmp(chptra, chptrb);
3630		}
3631
3632	separatorChar = getKeywordByType(LT_INITRD, config->cfi)->separatorChar;	int updateActualImage(struct grubConfig *cfg, const char *image,
3633	for (i = 0; i < extraInitrdCount; i++) {	const char *prefix, const char *addArgs,
3634	const char *extraInitrd;	const char *removeArgs, int multibootArgs)
3635	int j;	{
3636		struct singleEntry *entry;
3637		struct singleLine *line, *rootLine;
3638		int index = 0;
3639		int i, k;
3640		const char **newArgs, **oldArgs;
3641		const char **arg;
3642		int useKernelArgs, useRoot;
3643		int firstElement;
3644		int *usedElements;
3645		int doreplace;
3646
3647	extraInitrd = extraInitrds[i] + prefixLen;	if (!image)
3648	/* Don't add entries that are already there */	return 0;
	if (tmplLine != NULL) {
	for (j = 2; j < tmplLine->numElements; j++)
	if (strcmp(extraInitrd, tmplLine->elements[j].item) == 0)
	break;
3649
3650	if (j != tmplLine->numElements)	if (!addArgs) {
3651	continue;	newArgs = malloc(sizeof(*newArgs));
3652		*newArgs = NULL;
3653		} else {
3654		if (poptParseArgvString(addArgs, NULL, &newArgs)) {
3655		fprintf(stderr,
3656		_("grubby: error separating arguments '%s'\n"),
3657		addArgs);
3658		return 1;
3659		}
3660	}	}
3661
3662	*end++ = separatorChar;	if (!removeArgs) {
3663	end = stpcpy(end, extraInitrd);	oldArgs = malloc(sizeof(*oldArgs));
3664	}	*oldArgs = NULL;
3665		} else {
3666		if (poptParseArgvString(removeArgs, NULL, &oldArgs)) {
3667		fprintf(stderr,
3668		_("grubby: error separating arguments '%s'\n"),
3669		removeArgs);
3670		free(newArgs);
3671		return 1;
3672		}
3673		}
3674
3675	return initrdVal;	useKernelArgs = (getKeywordByType(LT_KERNELARGS, cfg->cfi)
3676	}	&& (!multibootArgs || cfg->cfi->mbConcatArgs));
3677
3678	int addNewKernel(struct grubConfig * config, struct singleEntry * template,	useRoot = (getKeywordByType(LT_ROOT, cfg->cfi)
3679	const char * prefix,	&& !multibootArgs);
	const char * newKernelPath, const char * newKernelTitle,
	const char * newKernelArgs, const char * newKernelInitrd,
	const char ** extraInitrds, int extraInitrdCount,
	const char * newMBKernel, const char * newMBKernelArgs,
	const char * newDevTreePath) {
	struct singleEntry * new;
	struct singleLine * newLine = NULL, * tmplLine = NULL, * masterLine = NULL;
	int needs;
	char * chptr;
	if (!newKernelPath) return 0;
	/* if the newKernelTitle is too long silently munge it into something
	* we can live with. truncating is first check, then we'll just mess with
	* it until it looks better */
	if (config->cfi->maxTitleLength &&
	(strlen(newKernelTitle) > config->cfi->maxTitleLength)) {
	char * buf = alloca(config->cfi->maxTitleLength + 7);
	char * numBuf = alloca(config->cfi->maxTitleLength + 1);
	int i = 1;
3680
3681	sprintf(buf, "TITLE=%.*s", config->cfi->maxTitleLength, newKernelTitle);	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
	while (findEntryByPath(config, buf, NULL, NULL)) {
	sprintf(numBuf, "%d", i++);
	strcpy(buf + strlen(buf) - strlen(numBuf), numBuf);
	}
3682
3683	newKernelTitle = buf + 6;	if (multibootArgs && !entry->multiboot)
3684	}	continue;
3685
3686	new = malloc(sizeof(*new));	/* Determine where to put the args.  If this config supports
3687	new->skip = 0;	* LT_KERNELARGS, use that.  Otherwise use
3688	new->multiboot = 0;	* LT_HYPER/LT_KERNEL/LT_MBMODULE lines.
3689	new->next = config->entries;	*/
3690	new->lines = NULL;	if (useKernelArgs) {
3691	config->entries = new;	line = getLineByType(LT_KERNELARGS, entry->lines);
3692		if (!line) {
3693	/* copy/update from the template */	/* no LT_KERNELARGS, need to add it */
3694	needs = NEED_KERNEL | NEED_TITLE;	line = addLine(entry, cfg->cfi, LT_KERNELARGS,
3695	if (newKernelInitrd)	cfg->secondaryIndent, NULL);
3696	needs |= NEED_INITRD;	}
3697	if (newMBKernel) {	firstElement = 1;
	needs |= NEED_MB;
	new->multiboot = 1;
	}
	if (newDevTreePath && getKeywordByType(LT_DEVTREE, config->cfi))
	needs |= NEED_DEVTREE;
3698
3699	if (template) {	} else if (multibootArgs) {
3700	for (masterLine = template->lines;	line = getLineByType(LT_HYPER, entry->lines);
3701	masterLine && (tmplLine = lineDup(masterLine));	if (!line) {
3702	lineFree(tmplLine), masterLine = masterLine->next)	/* a multiboot entry without LT_HYPER? */
3703	{	continue;
3704	dbgPrintf("addNewKernel processing %d\n", tmplLine->type);	}
3705		firstElement = 2;
	/* skip comments */
	chptr = tmplLine->indent;
	while (*chptr && isspace(*chptr)) chptr++;
	if (*chptr == '#') continue;
	if (iskernel(tmplLine->type) && tmplLine->numElements >= 2) {
	if (!template->multiboot && (needs & NEED_MB)) {
	/* it's not a multiboot template and this is the kernel
	* line.  Try to be intelligent about inserting the
	* hypervisor at the same time.
	*/
	if (config->cfi->mbHyperFirst) {
	/* insert the hypervisor first */
	newLine = addLine(new, config->cfi, LT_HYPER,
	tmplLine->indent,
	newMBKernel + strlen(prefix));
	/* set up for adding the kernel line */
	free(tmplLine->indent);
	tmplLine->indent = strdup(config->secondaryIndent);
	needs &= ~NEED_MB;
	}
	if (needs & NEED_KERNEL) {
	/* use addLineTmpl to preserve line elements,
	* otherwise we could just call addLine.  Unfortunately
	* this means making some changes to the template
	* such as the indent change above and the type
	* change below.
	*/
	struct keywordTypes * mbm_kw =
	getKeywordByType(LT_MBMODULE, config->cfi);
	if (mbm_kw) {
	tmplLine->type = LT_MBMODULE;
	free(tmplLine->elements[0].item);
	tmplLine->elements[0].item = strdup(mbm_kw->key);
	}
	newLine = addLineTmpl(new, tmplLine, newLine,
	newKernelPath + strlen(prefix), config->cfi);
	needs &= ~NEED_KERNEL;
	}
	if (needs & NEED_MB) { /* !mbHyperFirst */
	newLine = addLine(new, config->cfi, LT_HYPER,
	config->secondaryIndent,
	newMBKernel + strlen(prefix));
	needs &= ~NEED_MB;
	}
	} else if (needs & NEED_KERNEL) {
	newLine = addLineTmpl(new, tmplLine, newLine,
	newKernelPath + strlen(prefix), config->cfi);
	needs &= ~NEED_KERNEL;
	}
	} else if (tmplLine->type == LT_HYPER &&
	tmplLine->numElements >= 2) {
	if (needs & NEED_MB) {
	newLine = addLineTmpl(new, tmplLine, newLine,
	newMBKernel + strlen(prefix), config->cfi);
	needs &= ~NEED_MB;
	}
	} else if (tmplLine->type == LT_MBMODULE &&
	tmplLine->numElements >= 2) {
	if (new->multiboot) {
	if (needs & NEED_KERNEL) {
	newLine = addLineTmpl(new, tmplLine, newLine,
	newKernelPath +
	strlen(prefix), config->cfi);
	needs &= ~NEED_KERNEL;
	} else if (config->cfi->mbInitRdIsModule &&
	(needs & NEED_INITRD)) {
	char *initrdVal;
	initrdVal = getInitrdVal(config, prefix, tmplLine,
	newKernelInitrd, extraInitrds,
	extraInitrdCount);
	newLine = addLineTmpl(new, tmplLine, newLine,
	initrdVal, config->cfi);
	free(initrdVal);
	needs &= ~NEED_INITRD;
	}
	} else if (needs & NEED_KERNEL) {
	/* template is multi but new is not,
	* insert the kernel in the first module slot
	*/
	tmplLine->type = preferredLineType(LT_KERNEL, config->cfi);
	free(tmplLine->elements[0].item);
	tmplLine->elements[0].item =
	strdup(getKeywordByType(tmplLine->type,
	config->cfi)->key);
	newLine = addLineTmpl(new, tmplLine, newLine,
	newKernelPath + strlen(prefix),
	config->cfi);
	needs &= ~NEED_KERNEL;
	} else if (needs & NEED_INITRD) {
	char *initrdVal;
	/* template is multi but new is not,
	* insert the initrd in the second module slot
	*/
	tmplLine->type = preferredLineType(LT_INITRD, config->cfi);
	free(tmplLine->elements[0].item);
	tmplLine->elements[0].item =
	strdup(getKeywordByType(tmplLine->type,
	config->cfi)->key);
	initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount);
	newLine = addLineTmpl(new, tmplLine, newLine, initrdVal, config->cfi);
	free(initrdVal);
	needs &= ~NEED_INITRD;
	}
	} else if (isinitrd(tmplLine->type) && tmplLine->numElements >= 2) {
	if (needs & NEED_INITRD &&
	new->multiboot && !template->multiboot &&
	config->cfi->mbInitRdIsModule) {
	/* make sure we don't insert the module initrd
	* before the module kernel... if we don't do it here,
	* it will be inserted following the template.
	*/
	if (!needs & NEED_KERNEL) {
	char *initrdVal;
	initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount);
	newLine = addLine(new, config->cfi, LT_MBMODULE,
	config->secondaryIndent,
	initrdVal);
	free(initrdVal);
	needs &= ~NEED_INITRD;
	}
	} else if (needs & NEED_INITRD) {
	char *initrdVal;
	initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount);
	newLine = addLineTmpl(new, tmplLine, newLine, initrdVal, config->cfi);
	free(initrdVal);
	needs &= ~NEED_INITRD;
	}
	} else if (tmplLine->type == LT_MENUENTRY &&
	(needs & NEED_TITLE)) {
	requote(tmplLine, config->cfi);
	char *nkt = malloc(strlen(newKernelTitle)+3);
	strcpy(nkt, "'");
	strcat(nkt, newKernelTitle);
	strcat(nkt, "'");
	newLine = addLineTmpl(new, tmplLine, newLine, nkt, config->cfi);
	free(nkt);
	needs &= ~NEED_TITLE;
	} else if (tmplLine->type == LT_TITLE &&
	(needs & NEED_TITLE)) {
	if (tmplLine->numElements >= 2) {
	newLine = addLineTmpl(new, tmplLine, newLine,
	newKernelTitle, config->cfi);
	needs &= ~NEED_TITLE;
	} else if (tmplLine->numElements == 1 &&
	config->cfi->titleBracketed) {
	/* addLineTmpl doesn't handle titleBracketed */
	newLine = addLine(new, config->cfi, LT_TITLE,
	tmplLine->indent, newKernelTitle);
	needs &= ~NEED_TITLE;
	}
	} else if (tmplLine->type == LT_ECHO) {
	requote(tmplLine, config->cfi);
	static const char *prefix = "'Loading ";
	if (tmplLine->numElements > 1 &&
	strstr(tmplLine->elements[1].item, prefix) &&
	masterLine->next &&
	iskernel(masterLine->next->type)) {
	char *newTitle = malloc(strlen(prefix) +
	strlen(newKernelTitle) + 2);
	strcpy(newTitle, prefix);
	strcat(newTitle, newKernelTitle);
	strcat(newTitle, "'");
	newLine = addLine(new, config->cfi, LT_ECHO,
	tmplLine->indent, newTitle);
	free(newTitle);
	} else {
	/* pass through other lines from the template */
	newLine = addLineTmpl(new, tmplLine, newLine, NULL,
	config->cfi);
	}
	} else if (tmplLine->type == LT_DEVTREE &&
	tmplLine->numElements == 2 && newDevTreePath) {
	newLine = addLineTmpl(new, tmplLine, newLine,
	newDevTreePath + strlen(prefix),
	config->cfi);
	needs &= ~NEED_DEVTREE;
	} else if (tmplLine->type == LT_ENTRY_END && needs & NEED_DEVTREE) {
	const char *ndtp = newDevTreePath;
	if (!strncmp(newDevTreePath, prefix, strlen(prefix)))
	ndtp += strlen(prefix);
	newLine = addLine(new, config->cfi, LT_DEVTREE,
	config->secondaryIndent,
	ndtp);
	needs &= ~NEED_DEVTREE;
	newLine = addLineTmpl(new, tmplLine, newLine, NULL, config->cfi);
	} else {
	/* pass through other lines from the template */
	newLine = addLineTmpl(new, tmplLine, newLine, NULL, config->cfi);
	}
	}
3706
	} else {
	/* don't have a template, so start the entry with the
	* appropriate starting line
	*/
	switch (config->cfi->entryStart) {
	case LT_KERNEL:
	case LT_KERNEL_EFI:
	case LT_KERNEL_16:
	if (new->multiboot && config->cfi->mbHyperFirst) {
	/* fall through to LT_HYPER */
3707	} else {	} else {
3708	newLine = addLine(new, config->cfi,	line =
3709	preferredLineType(LT_KERNEL, config->cfi),	getLineByType(LT_KERNEL | LT_MBMODULE |
3710	config->primaryIndent,	LT_KERNEL_EFI | LT_KERNEL_16,
3711	newKernelPath + strlen(prefix));	entry->lines);
3712	needs &= ~NEED_KERNEL;	if (!line) {
3713	break;	/* no LT_KERNEL or LT_MBMODULE in this entry? */
3714		continue;
3715		}
3716		firstElement = 2;
3717	}	}
3718
3719	case LT_HYPER:	/* handle the elilo case which does:
3720	newLine = addLine(new, config->cfi, LT_HYPER,	*   append="hypervisor args -- kernel args"
3721	config->primaryIndent,	*/
3722	newMBKernel + strlen(prefix));	if (entry->multiboot && cfg->cfi->mbConcatArgs) {
3723	needs &= ~NEED_MB;	/* this is a multiboot entry, make sure there's
3724	break;	* -- on the args line
3725		*/
3726		for (i = firstElement; i < line->numElements; i++) {
3727		if (!strcmp(line->elements[i].item, "--"))
3728		break;
3729		}
3730		if (i == line->numElements) {
3731		/* assume all existing args are kernel args,
3732		* prepend -- to make it official
3733		*/
3734		insertElement(line, "--", firstElement,
3735		cfg->cfi);
3736		i = firstElement;
3737		}
3738		if (!multibootArgs) {
3739		/* kernel args start after the -- */
3740		firstElement = i + 1;
3741		}
3742		} else if (cfg->cfi->mbConcatArgs) {
3743		/* this is a non-multiboot entry, remove hyper args */
3744		for (i = firstElement; i < line->numElements; i++) {
3745		if (!strcmp(line->elements[i].item, "--"))
3746		break;
3747		}
3748		if (i < line->numElements) {
3749		/* remove args up to -- */
3750		while (strcmp
3751		(line->elements[firstElement].item,
3752		"--"))
3753		removeElement(line, firstElement);
3754		/* remove -- */
3755		removeElement(line, firstElement);
3756		}
3757		}
3758
3759	case LT_MENUENTRY: {	usedElements = calloc(line->numElements, sizeof(*usedElements));
3760	char *nkt = malloc(strlen(newKernelTitle)+3);
3761	strcpy(nkt, "'");	for (k = 0, arg = newArgs; *arg; arg++, k++) {
3762	strcat(nkt, newKernelTitle);
3763	strcat(nkt, "'");	doreplace = 1;
3764	newLine = addLine(new, config->cfi, LT_MENUENTRY,	for (i = firstElement; i < line->numElements; i++) {
3765	config->primaryIndent, nkt);	if (multibootArgs && cfg->cfi->mbConcatArgs &&
3766	free(nkt);	!strcmp(line->elements[i].item, "--")) {
3767	needs &= ~NEED_TITLE;	/* reached the end of hyper args, insert here */
3768	needs |= NEED_END;	doreplace = 0;
3769	break;	break;
3770	}	}
3771	case LT_TITLE:	if (usedElements[i])
3772	if( useextlinuxmenu != 0 ){ // We just need useextlinuxmenu to not be zero (set above)	continue;
3773	char * templabel;	if (!argNameMatch(line->elements[i].item, *arg)) {
3774	int x = 0, y = 0;	usedElements[i] = 1;
3775		break;
	templabel = strdup(newKernelTitle);
	while( templabel[x]){
	if( templabel[x] == ' ' ){
	y = x;
	while( templabel[y] ){
	templabel[y] = templabel[y+1];
	y++;
	}
3776	}	}
	x++;
3777	}	}
	newLine = addLine(new, config->cfi, LT_TITLE,
	config->primaryIndent, templabel);
	free(templabel);
	}else{
	newLine = addLine(new, config->cfi, LT_TITLE,
	config->primaryIndent, newKernelTitle);
	}
	needs &= ~NEED_TITLE;
	break;
3778
3779	default:	if (i < line->numElements && doreplace) {
3780	abort();	/* direct replacement */
3781	}	free(line->elements[i].item);
3782	}	line->elements[i].item = strdup(*arg);
3783
3784		} else if (useRoot && !strncmp(*arg, "root=/dev/", 10)) {
3785		/* root= replacement */
3786		rootLine = getLineByType(LT_ROOT, entry->lines);
3787		if (rootLine) {
3788		free(rootLine->elements[1].item);
3789		rootLine->elements[1].item =
3790		strdup(*arg + 5);
3791		} else {
3792		rootLine =
3793		addLine(entry, cfg->cfi, LT_ROOT,
3794		cfg->secondaryIndent,
3795		*arg + 5);
3796		}
3797		}
3798
3799	struct singleLine *endLine = NULL;	else {
3800	endLine = getLineByType(LT_ENTRY_END, new->lines);	/* insert/append */
3801	if (endLine) {	insertElement(line, *arg, i, cfg->cfi);
3802	removeLine(new, endLine);	usedElements =
3803	needs |= NEED_END;	realloc(usedElements,
3804	}	line->numElements *
3805		sizeof(*usedElements));
3806		memmove(&usedElements[i + 1], &usedElements[i],
3807		line->numElements - i - 1);
3808		usedElements[i] = 1;
3809
3810		/* if we updated a root= here even though
3811		* there is a LT_ROOT available we need to
3812		* remove the LT_ROOT entry (this will happen
3813		* if we switch from a device to a label) */
3814		if (useRoot && !strncmp(*arg, "root=", 5)) {
3815		rootLine =
3816		getLineByType(LT_ROOT,
3817		entry->lines);
3818		if (rootLine)
3819		removeLine(entry, rootLine);
3820		}
3821		}
3822		}
3823
3824	/* add the remainder of the lines, i.e. those that either	free(usedElements);
	* weren't present in the template, or in the case of no template,
	* all the lines following the entryStart.
	*/
	if (needs & NEED_TITLE) {
	newLine = addLine(new, config->cfi, LT_TITLE,
	config->secondaryIndent,
	newKernelTitle);
	needs &= ~NEED_TITLE;
	}
	if ((needs & NEED_MB) && config->cfi->mbHyperFirst) {
	newLine = addLine(new, config->cfi, LT_HYPER,
	config->secondaryIndent,
	newMBKernel + strlen(prefix));
	needs &= ~NEED_MB;
	}
	if (needs & NEED_KERNEL) {
	newLine = addLine(new, config->cfi,
	(new->multiboot && getKeywordByType(LT_MBMODULE,
	config->cfi))
	? LT_MBMODULE
	: preferredLineType(LT_KERNEL, config->cfi),
	config->secondaryIndent,
	newKernelPath + strlen(prefix));
	needs &= ~NEED_KERNEL;
	}
	if (needs & NEED_MB) {
	newLine = addLine(new, config->cfi, LT_HYPER,
	config->secondaryIndent,
	newMBKernel + strlen(prefix));
	needs &= ~NEED_MB;
	}
	if (needs & NEED_INITRD) {
	char *initrdVal;
	initrdVal = getInitrdVal(config, prefix, NULL, newKernelInitrd, extraInitrds, extraInitrdCount);
	newLine = addLine(new, config->cfi,
	(new->multiboot && getKeywordByType(LT_MBMODULE,
	config->cfi))
	? LT_MBMODULE
	: preferredLineType(LT_INITRD, config->cfi),
	config->secondaryIndent,
	initrdVal);
	free(initrdVal);
	needs &= ~NEED_INITRD;
	}
	if (needs & NEED_DEVTREE) {
	newLine = addLine(new, config->cfi, LT_DEVTREE,
	config->secondaryIndent,
	newDevTreePath);
	needs &= ~NEED_DEVTREE;
	}
3825
3826	/* NEEDS_END must be last on bootloaders that need it... */	for (arg = oldArgs; *arg; arg++) {
3827	if (needs & NEED_END) {	for (i = firstElement; i < line->numElements; i++) {
3828	newLine = addLine(new, config->cfi, LT_ENTRY_END,	if (multibootArgs && cfg->cfi->mbConcatArgs &&
3829	config->secondaryIndent, NULL);	!strcmp(line->elements[i].item, "--"))
3830	needs &= ~NEED_END;	/* reached the end of hyper args, stop here */
3831	}	break;
3832		if (!argNameMatch(line->elements[i].item, *arg)) {
3833		if (!argHasValue(*arg) ||
3834		!argValueMatch(line->elements[i].item, *arg)) {
3835		removeElement(line, i);
3836		break;
3837		}
3838		}
3839		}
3840		/* handle removing LT_ROOT line too */
3841		if (useRoot && !strncmp(*arg, "root=", 5)) {
3842		rootLine = getLineByType(LT_ROOT, entry->lines);
3843		if (rootLine)
3844		removeLine(entry, rootLine);
3845		}
3846		}
3847
3848	if (needs) {	if (line->numElements == 1) {
3849	printf(_("grubby: needs=%d, aborting\n"), needs);	/* don't need the line at all (note it has to be a
3850	abort();	LT_KERNELARGS for this to happen */
3851	}	removeLine(entry, line);
3852		}
3853		}
3854
3855	if (updateImage(config, "0", prefix, newKernelArgs, NULL,	free(newArgs);
3856	newMBKernelArgs, NULL)) return 1;	free(oldArgs);
3857
3858	return 0;	return 0;
3859	}	}
3860
3861	static void traceback(int signum)	int updateImage(struct grubConfig *cfg, const char *image,
3862		const char *prefix, const char *addArgs,
3863		const char *removeArgs,
3864		const char *addMBArgs, const char *removeMBArgs)
3865	{	{
3866	void *array[40];	int rc = 0;
	size_t size;
3867
3868	signal(SIGSEGV, SIG_DFL);	if (!image)
3869	memset(array, '\0', sizeof (array));	return rc;
	size = backtrace(array, 40);
	fprintf(stderr, "grubby received SIGSEGV!  Backtrace (%ld):\n",
	(unsigned long)size);
	backtrace_symbols_fd(array, size, STDERR_FILENO);
	exit(1);
	}
	int main(int argc, const char ** argv) {
	poptContext optCon;
	const char * grubConfig = NULL;
	char * outputFile = NULL;
	int arg = 0;
	int flags = 0;
	int badImageOkay = 0;
	int configureGrub2 = 0;
	int configureLilo = 0, configureELilo = 0, configureGrub = 0;
	int configureYaboot = 0, configureSilo = 0, configureZipl = 0;
	int configureExtLinux = 0;
	int bootloaderProbe = 0;
	int extraInitrdCount = 0;
	char * updateKernelPath = NULL;
	char * newKernelPath = NULL;
	char * removeKernelPath = NULL;
	char * newKernelArgs = NULL;
	char * newKernelInitrd = NULL;
	char * newKernelTitle = NULL;
	char * newDevTreePath = NULL;
	char * newMBKernel = NULL;
	char * newMBKernelArgs = NULL;
	char * removeMBKernelArgs = NULL;
	char * removeMBKernel = NULL;
	char * bootPrefix = NULL;
	char * defaultKernel = NULL;
	char * removeArgs = NULL;
	char * kernelInfo = NULL;
	char * extraInitrds[MAX_EXTRA_INITRDS] = { NULL };
	char * envPath = NULL;
	const char * chptr = NULL;
	struct configFileInfo * cfi = NULL;
	struct grubConfig * config;
	struct singleEntry * template = NULL;
	int copyDefault = 0, makeDefault = 0;
	int displayDefault = 0;
	int displayDefaultIndex = 0;
	int displayDefaultTitle = 0;
	int defaultIndex = -1;
	struct poptOption options[] = {
	{ "add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0,
	_("add an entry for the specified kernel"), _("kernel-path") },
	{ "add-multiboot", 0, POPT_ARG_STRING, &newMBKernel, 0,
	_("add an entry for the specified multiboot kernel"), NULL },
	{ "args", 0, POPT_ARG_STRING, &newKernelArgs, 0,
	_("default arguments for the new kernel or new arguments for "
	"kernel being updated"), _("args") },
	{ "mbargs", 0, POPT_ARG_STRING, &newMBKernelArgs, 0,
	_("default arguments for the new multiboot kernel or "
	"new arguments for multiboot kernel being updated"), NULL },
	{ "bad-image-okay", 0, 0, &badImageOkay, 0,
	_("don't sanity check images in boot entries (for testing only)"),
	NULL },
	{ "boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0,
	_("filestystem which contains /boot directory (for testing only)"),
	_("bootfs") },
	#if defined(__i386__) || defined(__x86_64__) || defined (__powerpc64__) || defined (__ia64__)
	{ "bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0,
	_("check which bootloader is installed on boot sector") },
	#endif
	{ "config-file", 'c', POPT_ARG_STRING, &grubConfig, 0,
	_("path to grub config file to update (\"-\" for stdin)"),
	_("path") },
	{ "copy-default", 0, 0, &copyDefault, 0,
	_("use the default boot entry as a template for the new entry "
	"being added; if the default is not a linux image, or if "
	"the kernel referenced by the default image does not exist, "
	"the first linux entry whose kernel does exist is used as the "
	"template"), NULL },
	{ "debug", 0, 0, &debug, 0,
	_("print debugging information for failures") },
	{ "default-kernel", 0, 0, &displayDefault, 0,
	_("display the path of the default kernel") },
	{ "default-index", 0, 0, &displayDefaultIndex, 0,
	_("display the index of the default kernel") },
	{ "default-title", 0, 0, &displayDefaultTitle, 0,
	_("display the title of the default kernel") },
	{ "devtree", 0, POPT_ARG_STRING, &newDevTreePath, 0,
	_("device tree file for new stanza"), _("dtb-path") },
	{ "elilo", 0, POPT_ARG_NONE, &configureELilo, 0,
	_("configure elilo bootloader") },
	{ "efi", 0, POPT_ARG_NONE, &isEfi, 0,
	_("force grub2 stanzas to use efi") },
	{ "env", 0, POPT_ARG_STRING, &envPath, 0,
	_("path for environment data"),
	_("path") },
	{ "extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0,
	_("configure extlinux bootloader (from syslinux)") },
	{ "grub", 0, POPT_ARG_NONE, &configureGrub, 0,
	_("configure grub bootloader") },
	{ "grub2", 0, POPT_ARG_NONE, &configureGrub2, 0,
	_("configure grub2 bootloader") },
	{ "info", 0, POPT_ARG_STRING, &kernelInfo, 0,
	_("display boot information for specified kernel"),
	_("kernel-path") },
	{ "initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0,
	_("initrd image for the new kernel"), _("initrd-path") },
	{ "extra-initrd", 'i', POPT_ARG_STRING, NULL, 'i',
	_("auxiliary initrd image for things other than the new kernel"), _("initrd-path") },
	{ "lilo", 0, POPT_ARG_NONE, &configureLilo, 0,
	_("configure lilo bootloader") },
	{ "make-default", 0, 0, &makeDefault, 0,
	_("make the newly added entry the default boot entry"), NULL },
	{ "output-file", 'o', POPT_ARG_STRING, &outputFile, 0,
	_("path to output updated config file (\"-\" for stdout)"),
	_("path") },
	{ "remove-args", 0, POPT_ARG_STRING, &removeArgs, 0,
	_("remove kernel arguments"), NULL },
	{ "remove-mbargs", 0, POPT_ARG_STRING, &removeMBKernelArgs, 0,
	_("remove multiboot kernel arguments"), NULL },
	{ "remove-kernel", 0, POPT_ARG_STRING, &removeKernelPath, 0,
	_("remove all entries for the specified kernel"),
	_("kernel-path") },
	{ "remove-multiboot", 0, POPT_ARG_STRING, &removeMBKernel, 0,
	_("remove all entries for the specified multiboot kernel"), NULL },
	{ "set-default", 0, POPT_ARG_STRING, &defaultKernel, 0,
	_("make the first entry referencing the specified kernel "
	"the default"), _("kernel-path") },
	{ "set-default-index", 0, POPT_ARG_INT, &defaultIndex, 0,
	_("make the given entry index the default entry"),
	_("entry-index") },
	{ "silo", 0, POPT_ARG_NONE, &configureSilo, 0,
	_("configure silo bootloader") },
	{ "title", 0, POPT_ARG_STRING, &newKernelTitle, 0,
	_("title to use for the new kernel entry"), _("entry-title") },
	{ "update-kernel", 0, POPT_ARG_STRING, &updateKernelPath, 0,
	_("updated information for the specified kernel"),
	_("kernel-path") },
	{ "version", 'v', 0, NULL, 'v',
	_("print the version of this program and exit"), NULL },
	{ "yaboot", 0, POPT_ARG_NONE, &configureYaboot, 0,
	_("configure yaboot bootloader") },
	{ "zipl", 0, POPT_ARG_NONE, &configureZipl, 0,
	_("configure zipl bootloader") },
	POPT_AUTOHELP
	{ 0, 0, 0, 0, 0 }
	};
	useextlinuxmenu=0;
	signal(SIGSEGV, traceback);
	int i = 0;
	for (int j = 1; j < argc; j++)
	i += strlen(argv[j]) + 1;
	saved_command_line = malloc(i);
	if (!saved_command_line) {
	fprintf(stderr, "grubby: %m\n");
	exit(1);
	}
	saved_command_line[0] = '\0';
	for (int j = 1; j < argc; j++) {
	strcat(saved_command_line, argv[j]);
	strncat(saved_command_line, j == argc -1 ? "" : " ", 1);
	}
3870
3871	optCon = poptGetContext("grubby", argc, argv, options, 0);	/* update the main args first... */
3872	poptReadDefaultConfig(optCon, 1);	if (addArgs || removeArgs)
3873		rc = updateActualImage(cfg, image, prefix, addArgs, removeArgs,
3874		0);
3875		if (rc)
3876		return rc;
3877
3878		/* and now any multiboot args */
3879		if (addMBArgs || removeMBArgs)
3880		rc = updateActualImage(cfg, image, prefix, addMBArgs,
3881		removeMBArgs, 1);
3882		return rc;
3883		}
3884
3885		int addMBInitrd(struct grubConfig *cfg, const char *newMBKernel,
3886		const char *image, const char *prefix, const char *initrd,
3887		const char *title)
3888		{
3889		struct singleEntry *entry;
3890		struct singleLine *line, *kernelLine, *endLine = NULL;
3891		int index = 0;
3892
3893	while ((arg = poptGetNextOpt(optCon)) >= 0) {	if (!image)
3894	switch (arg) {	return 0;
	case 'v':
	printf("grubby version %s\n", VERSION);
	exit(0);
	break;
	case 'i':
	if (extraInitrdCount < MAX_EXTRA_INITRDS) {
	extraInitrds[extraInitrdCount++] = strdup(poptGetOptArg(optCon));
	} else {
	fprintf(stderr, _("grubby: extra initrd maximum is %d\n"), extraInitrdCount);
	return 1;
	}
	break;
	}
	}
3895
3896	if (arg < -1) {	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
3897	fprintf(stderr, _("grubby: bad argument %s: %s\n"),	kernelLine = getLineByType(LT_MBMODULE, entry->lines);
3898	poptBadOption(optCon, POPT_BADOPTION_NOALIAS),	if (!kernelLine)
3899	poptStrerror(arg));	continue;
3900	return 1;
3901	}	/* if title is supplied, the entry's title must match it. */
3902		if (title) {
3903		char *linetitle;
3904
3905		line =
3906		getLineByType(LT_TITLE | LT_MENUENTRY,
3907		entry->lines);
3908		if (!line)
3909		continue;
3910
3911		linetitle = extractTitle(cfg, line);
3912		if (!linetitle)
3913		continue;
3914		if (strcmp(title, linetitle)) {
3915		free(linetitle);
3916		continue;
3917		}
3918		free(linetitle);
3919		}
3920
3921	if ((chptr = poptGetArg(optCon))) {	if (prefix) {
3922	fprintf(stderr, _("grubby: unexpected argument %s\n"), chptr);	int prefixLen = strlen(prefix);
3923	return 1;	if (!strncmp(initrd, prefix, prefixLen))
3924	}	initrd += prefixLen;
3925		}
3926		endLine = getLineByType(LT_ENTRY_END, entry->lines);
3927		if (endLine)
3928		removeLine(entry, endLine);
3929		line =
3930		addLine(entry, cfg->cfi,
3931		preferredLineType(LT_MBMODULE, cfg->cfi),
3932		kernelLine->indent, initrd);
3933		if (!line)
3934		return 1;
3935		if (endLine) {
3936		line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL);
3937		if (!line)
3938		return 1;
3939		}
3940
3941	if ((configureLilo + configureGrub2 + configureGrub + configureELilo +	break;
3942	configureYaboot + configureSilo + configureZipl +	}
	configureExtLinux ) > 1) {
	fprintf(stderr, _("grubby: cannot specify multiple bootloaders\n"));
	return 1;
	} else if (bootloaderProbe && grubConfig) {
	fprintf(stderr,
	_("grubby: cannot specify config file with --bootloader-probe\n"));
	return 1;
	} else if (configureGrub2) {
	cfi = &grub2ConfigType;
	if (envPath)
	cfi->envFile = envPath;
	} else if (configureLilo) {
	cfi = &liloConfigType;
	} else if (configureGrub) {
	cfi = &grubConfigType;
	} else if (configureELilo) {
	cfi = &eliloConfigType;
	} else if (configureYaboot) {
	cfi = &yabootConfigType;
	} else if (configureSilo) {
	cfi = &siloConfigType;
	} else if (configureZipl) {
	cfi = &ziplConfigType;
	} else if (configureExtLinux) {
	cfi = &extlinuxConfigType;
	useextlinuxmenu=1;
	}
3943
3944	if (!cfi) {	return 0;
3945	if (grub2FindConfig(&grub2ConfigType))	}
	cfi = &grub2ConfigType;
	else
	#ifdef __ia64__
	cfi = &eliloConfigType;
	#elif __powerpc__
	cfi = &yabootConfigType;
	#elif __sparc__
	cfi = &siloConfigType;
	#elif __s390__
	cfi = &ziplConfigType;
	#elif __s390x__
	cfi = &ziplConfigtype;
	#else
	cfi = &grubConfigType;
	#endif
	}
3946
3947	if (!grubConfig) {	int updateInitrd(struct grubConfig *cfg, const char *image,
3948	if (cfi->findConfig)	const char *prefix, const char *initrd, const char *title)
3949	grubConfig = cfi->findConfig(cfi);	{
3950	if (!grubConfig)	struct singleEntry *entry;
3951	grubConfig = cfi->defaultConfig;	struct singleLine *line, *kernelLine, *endLine = NULL;
3952	}	int index = 0;
3953
3954	if (bootloaderProbe && (displayDefault || kernelInfo ||	if (!image)
3955	newKernelPath || removeKernelPath || makeDefault ||	return 0;
	defaultKernel || displayDefaultIndex || displayDefaultTitle ||
	(defaultIndex >= 0))) {
	fprintf(stderr, _("grubby: --bootloader-probe may not be used with "
	"specified option"));
	return 1;
	}
3956
3957	if ((displayDefault || kernelInfo) && (newKernelPath ||	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
3958	removeKernelPath)) {	kernelLine =
3959	fprintf(stderr, _("grubby: --default-kernel and --info may not "	getLineByType(LT_KERNEL | LT_KERNEL_EFI | LT_KERNEL_16,
3960	"be used when adding or removing kernels\n"));	entry->lines);
3961	return 1;	if (!kernelLine)
3962	}	continue;
3963
3964		/* if title is supplied, the entry's title must match it. */
3965		if (title) {
3966		char *linetitle;
3967
3968		line =
3969		getLineByType(LT_TITLE | LT_MENUENTRY,
3970		entry->lines);
3971		if (!line)
3972		continue;
3973
3974		linetitle = extractTitle(cfg, line);
3975		if (!linetitle)
3976		continue;
3977		if (strcmp(title, linetitle)) {
3978		free(linetitle);
3979		continue;
3980		}
3981		free(linetitle);
3982		}
3983
3984	if (newKernelPath && !newKernelTitle) {	line =
3985	fprintf(stderr, _("grubby: kernel title must be specified\n"));	getLineByType(LT_INITRD | LT_INITRD_EFI | LT_INITRD_16,
3986	return 1;	entry->lines);
3987	} else if (!newKernelPath && (newKernelTitle  || copyDefault ||	if (line)
3988	(newKernelInitrd && !updateKernelPath)||	removeLine(entry, line);
3989	makeDefault || extraInitrdCount > 0)) {	if (prefix) {
3990	fprintf(stderr, _("grubby: kernel path expected\n"));	int prefixLen = strlen(prefix);
3991	return 1;	if (!strncmp(initrd, prefix, prefixLen))
3992	}	initrd += prefixLen;
3993		}
3994		endLine = getLineByType(LT_ENTRY_END, entry->lines);
3995		if (endLine)
3996		removeLine(entry, endLine);
3997		enum lineType_e lt;
3998		switch (kernelLine->type) {
3999		case LT_KERNEL:
4000		lt = LT_INITRD;
4001		break;
4002		case LT_KERNEL_EFI:
4003		lt = LT_INITRD_EFI;
4004		break;
4005		case LT_KERNEL_16:
4006		lt = LT_INITRD_16;
4007		break;
4008		default:
4009		lt = preferredLineType(LT_INITRD, cfg->cfi);
4010		}
4011		line = addLine(entry, cfg->cfi, lt, kernelLine->indent, initrd);
4012		if (!line)
4013		return 1;
4014		if (endLine) {
4015		line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL);
4016		if (!line)
4017		return 1;
4018		}
4019
4020	if (newKernelPath && updateKernelPath) {	break;
4021	fprintf(stderr, _("grubby: --add-kernel and --update-kernel may"	}
	"not be used together"));
	return 1;
	}
4022
4023	if (makeDefault && defaultKernel) {	return 0;
4024	fprintf(stderr, _("grubby: --make-default and --default-kernel "	}
	"may not be used together\n"));
	return 1;
	} else if (defaultKernel && removeKernelPath &&
	!strcmp(defaultKernel, removeKernelPath)) {
	fprintf(stderr, _("grubby: cannot make removed kernel the default\n"));
	return 1;
	} else if (defaultKernel && newKernelPath &&
	!strcmp(defaultKernel, newKernelPath)) {
	makeDefault = 1;
	defaultKernel = NULL;
	}
	else if (defaultKernel && (defaultIndex >= 0)) {
	fprintf(stderr, _("grubby: --set-default and --set-default-index "
	"may not be used together\n"));
	return 1;
	}
4025
4026	if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) {	int checkDeviceBootloader(const char *device, const unsigned char *boot)
4027	fprintf(stderr, _("grubby: output file must be specified if stdin "	{
4028	"is used\n"));	int fd;
4029	return 1;	unsigned char bootSect[512];
4030	}	int offset;
4031
4032		fd = open(device, O_RDONLY);
4033		if (fd < 0) {
4034		fprintf(stderr, _("grubby: unable to open %s: %s\n"),
4035		device, strerror(errno));
4036		return 1;
4037		}
4038
4039	if (!removeKernelPath && !newKernelPath && !displayDefault && !defaultKernel	if (read(fd, bootSect, 512) != 512) {
4040	&& !kernelInfo && !bootloaderProbe && !updateKernelPath	fprintf(stderr, _("grubby: unable to read %s: %s\n"),
4041	&& !removeMBKernel && !displayDefaultIndex && !displayDefaultTitle	device, strerror(errno));
4042	&& (defaultIndex == -1)) {	return 1;
4043	fprintf(stderr, _("grubby: no action specified\n"));	}
4044	return 1;	close(fd);
	}
4045
4046	flags |= badImageOkay ? GRUBBY_BADIMAGE_OKAY : 0;	/* first three bytes should match, a jmp short should be in there */
4047		if (memcmp(boot, bootSect, 3))
4048		return 0;
4049
4050	if (cfi->needsBootPrefix) {	if (boot[1] == JMP_SHORT_OPCODE) {
4051	if (!bootPrefix) {	offset = boot[2] + 2;
4052	bootPrefix = findBootPrefix();	} else if (boot[1] == 0xe8 || boot[1] == 0xe9) {
4053	if (!bootPrefix) return 1;	offset = (boot[3] << 8) + boot[2] + 2;
4054		} else if (boot[0] == JMP_SHORT_OPCODE) {
4055		offset = boot[1] + 2;
4056		/*
4057		* it looks like grub, when copying stage1 into the mbr,
4058		* patches stage1 right after the JMP location, replacing
4059		* other instructions such as JMPs for NOOPs. So, relax the
4060		* check a little bit by skipping those different bytes.
4061		*/
4062		if ((bootSect[offset + 1] == NOOP_OPCODE)
4063		&& (bootSect[offset + 2] == NOOP_OPCODE)) {
4064		offset = offset + 3;
4065		}
4066		} else if (boot[0] == 0xe8 || boot[0] == 0xe9) {
4067		offset = (boot[2] << 8) + boot[1] + 2;
4068	} else {	} else {
4069	/* this shouldn't end with a / */	return 0;
	if (bootPrefix[strlen(bootPrefix) - 1] == '/')
	bootPrefix[strlen(bootPrefix) - 1] = '\0';
4070	}	}
	} else {
	bootPrefix = "";
	}
4071
4072	if (!cfi->mbAllowExtraInitRds &&	if (memcmp(boot + offset, bootSect + offset, CODE_SEG_SIZE))
4073	extraInitrdCount > 0) {	return 0;
	fprintf(stderr, _("grubby: %s doesn't allow multiple initrds\n"), cfi->defaultConfig);
	return 1;
	}
	if (bootloaderProbe) {
	int lrc = 0, grc = 0, gr2c = 0, extrc = 0, yrc = 0, erc = 0;
	struct grubConfig * lconfig, * gconfig, * yconfig, * econfig;
	const char *grub2config = grub2FindConfig(&grub2ConfigType);
	if (grub2config) {
	gconfig = readConfig(grub2config, &grub2ConfigType);
	if (!gconfig)
	gr2c = 1;
	else
	gr2c = checkForGrub2(gconfig);
	}
	const char *grubconfig = grubFindConfig(&grubConfigType);
	if (!access(grubconfig, F_OK)) {
	gconfig = readConfig(grubconfig, &grubConfigType);
	if (!gconfig)
	grc = 1;
	else
	grc = checkForGrub(gconfig);
	}
	if (!access(liloConfigType.defaultConfig, F_OK)) {
	lconfig = readConfig(liloConfigType.defaultConfig, &liloConfigType);
	if (!lconfig)
	lrc = 1;
	else
	lrc = checkForLilo(lconfig);
	}
	if (!access(eliloConfigType.defaultConfig, F_OK)) {
	econfig = readConfig(eliloConfigType.defaultConfig,
	&eliloConfigType);
	if (!econfig)
	erc = 1;
	else
	erc = checkForElilo(econfig);
	}
	if (!access(extlinuxConfigType.defaultConfig, F_OK)) {
	lconfig = readConfig(extlinuxConfigType.defaultConfig, &extlinuxConfigType);
	if (!lconfig)
	extrc = 1;
	else
	extrc = checkForExtLinux(lconfig);
	}
	if (!access(yabootConfigType.defaultConfig, F_OK)) {
	yconfig = readConfig(yabootConfigType.defaultConfig,
	&yabootConfigType);
	if (!yconfig)
	yrc = 1;
	else
	yrc = checkForYaboot(yconfig);
	}
	if (lrc == 1 || grc == 1 || gr2c == 1 || extrc == 1 || yrc == 1 ||
	erc == 1)
	return 1;
	if (lrc == 2) printf("lilo\n");
	if (gr2c == 2) printf("grub2\n");
	if (grc == 2) printf("grub\n");
	if (extrc == 2) printf("extlinux\n");
	if (yrc == 2) printf("yaboot\n");
	if (erc == 2) printf("elilo\n");
4074
4075	return 0;	return 2;
4076	}	}
4077
4078	if (grubConfig == NULL) {	int checkLiloOnRaid(char *mdDev, const unsigned char *boot)
4079	printf("Could not find bootloader configuration file.\n");	{
4080	exit(1);	int fd;
4081	}	char buf[65536];
4082		char *end;
4083		char *chptr;
4084		char *chptr2;
4085		int rc;
4086
4087		/* it's on raid; we need to parse /proc/mdstat and check all of the
4088		*raw* devices listed in there */
4089
4090		if (!strncmp(mdDev, "/dev/", 5))
4091		mdDev += 5;
4092
4093		if ((fd = open("/proc/mdstat", O_RDONLY)) < 0) {
4094		fprintf(stderr, _("grubby: failed to open /proc/mdstat: %s\n"),
4095		strerror(errno));
4096		return 2;
4097		}
4098
4099		rc = read(fd, buf, sizeof(buf) - 1);
4100		if (rc < 0 || rc == (sizeof(buf) - 1)) {
4101		fprintf(stderr, _("grubby: failed to read /proc/mdstat: %s\n"),
4102		strerror(errno));
4103		close(fd);
4104		return 2;
4105		}
4106		close(fd);
4107		buf[rc] = '\0';
4108
4109		chptr = buf;
4110		while (*chptr) {
4111		end = strchr(chptr, '\n');
4112		if (!end)
4113		break;
4114		*end = '\0';
4115
4116	config = readConfig(grubConfig, cfi);	if (!strncmp(chptr, mdDev, strlen(mdDev)) &&
4117	if (!config) return 1;	chptr[strlen(mdDev)] == ' ') {
4118
4119	if (displayDefault) {	/* found the device */
4120	struct singleLine * line;	while (*chptr && *chptr != ':')
4121	struct singleEntry * entry;	chptr++;
4122	char * rootspec;	chptr++;
4123		while (*chptr && isspace(*chptr))
4124	if (config->defaultImage == -1) return 0;	chptr++;
4125	if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
4126	cfi->defaultIsSaved)	/* skip the "active" bit */
4127	config->defaultImage = 0;	while (*chptr && !isspace(*chptr))
4128	entry = findEntryByIndex(config, config->defaultImage);	chptr++;
4129	if (!entry) return 0;	while (*chptr && isspace(*chptr))
4130	if (!suitableImage(entry, bootPrefix, 0, flags)) return 0;	chptr++;
4131
4132	line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);	/* skip the raid level */
4133	if (!line) return 0;	while (*chptr && !isspace(*chptr))
4134		chptr++;
4135	rootspec = getRootSpecifier(line->elements[1].item);	while (*chptr && isspace(*chptr))
4136	printf("%s%s\n", bootPrefix, line->elements[1].item +	chptr++;
4137	((rootspec != NULL) ? strlen(rootspec) : 0));
4138		/* everything else is partition stuff */
4139		while (*chptr) {
4140		chptr2 = chptr;
4141		while (*chptr2 && *chptr2 != '[')
4142		chptr2++;
4143		if (!*chptr2)
4144		break;
4145
4146		/* yank off the numbers at the end */
4147		chptr2--;
4148		while (isdigit(*chptr2) && chptr2 > chptr)
4149		chptr2--;
4150		chptr2++;
4151		*chptr2 = '\0';
4152
4153		/* Better, now we need the /dev/ back. We're
4154		* done with everything before this point, so
4155		* we can just put the /dev/ part there.
4156		* There will always be room. */
4157		memcpy(chptr - 5, "/dev/", 5);
4158		rc = checkDeviceBootloader(chptr - 5, boot);
4159		if (rc != 2) {
4160		return rc;
4161		}
4162
4163		chptr = chptr2 + 1;
4164		/* skip the [11] bit */
4165		while (*chptr && !isspace(*chptr))
4166		chptr++;
4167		/* and move to the next one */
4168		while (*chptr && isspace(*chptr))
4169		chptr++;
4170		}
4171
4172		/*  we're good to go */
4173		return 2;
4174		}
4175
4176		chptr = end + 1;
4177		}
4178
4179		fprintf(stderr,
4180		_("grubby: raid device /dev/%s not found in /proc/mdstat\n"),
4181		mdDev);
4182	return 0;	return 0;
4183		}
4184
4185		int checkForLilo(struct grubConfig *config)
4186		{
4187		int fd;
4188		unsigned char boot[512];
4189		struct singleLine *line;
4190
4191		for (line = config->theLines; line; line = line->next)
4192		if (line->type == LT_BOOT)
4193		break;
4194
4195		if (!line) {
4196		fprintf(stderr,
4197		_
4198		("grubby: no boot line found in lilo configuration\n"));
4199		return 1;
4200		}
4201
4202		if (line->numElements != 2)
4203		return 1;
4204
4205	} else if (displayDefaultTitle) {	fd = open("/boot/boot.b", O_RDONLY);
4206	struct singleLine * line;	if (fd < 0) {
4207	struct singleEntry * entry;	fprintf(stderr, _("grubby: unable to open %s: %s\n"),
4208		"/boot/boot.b", strerror(errno));
4209	if (config->defaultImage == -1) return 0;	return 1;
4210	if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&	}
4211	cfi->defaultIsSaved)
4212	config->defaultImage = 0;	if (read(fd, boot, 512) != 512) {
4213	entry = findEntryByIndex(config, config->defaultImage);	fprintf(stderr, _("grubby: unable to read %s: %s\n"),
4214	if (!entry) return 0;	"/boot/boot.b", strerror(errno));
4215		return 1;
4216	if (!configureGrub2) {	}
4217	line = getLineByType(LT_TITLE, entry->lines);	close(fd);
4218	if (!line) return 0;
4219	printf("%s\n", line->elements[1].item);	if (!strncmp("/dev/md", line->elements[1].item, 7))
4220		return checkLiloOnRaid(line->elements[1].item, boot);
4221
4222		return checkDeviceBootloader(line->elements[1].item, boot);
4223		}
4224
4225		int checkForGrub2(struct grubConfig *config)
4226		{
4227		if (!access("/etc/grub.d/", R_OK))
4228		return 2;
4229
4230		return 1;
4231		}
4232
4233		int checkForGrub(struct grubConfig *config)
4234		{
4235		int fd;
4236		unsigned char bootSect[512];
4237		char *boot;
4238		int onSuse = isSuseSystem();
4239
4240		if (onSuse) {
4241		if (parseSuseGrubConf(NULL, &boot))
4242		return 0;
4243	} else {	} else {
4244	char * title;	if (parseSysconfigGrub(NULL, &boot))
4245		return 0;
4246		}
4247
4248	dbgPrintf("This is GRUB2, default title is embeded in menuentry\n");	/* assume grub is not installed -- not an error condition */
4249	line = getLineByType(LT_MENUENTRY, entry->lines);	if (!boot)
4250	if (!line) return 0;	return 0;
4251	title = grub2ExtractTitle(line);
4252	if (title)	fd = open("/boot/grub/stage1", O_RDONLY);
4253	printf("%s\n", title);	if (fd < 0)
4254		/* this doesn't exist if grub hasn't been installed */
4255		return 0;
4256
4257		if (read(fd, bootSect, 512) != 512) {
4258		fprintf(stderr, _("grubby: unable to read %s: %s\n"),
4259		"/boot/grub/stage1", strerror(errno));
4260		close(fd);
4261		return 1;
4262	}	}
4263		close(fd);
4264
4265		/* The more elaborate checks do not work on SuSE. The checks done
4266		* seem to be reasonble (at least for now), so just return success
4267		*/
4268		if (onSuse)
4269		return 2;
4270
4271		return checkDeviceBootloader(boot, bootSect);
4272		}
4273
4274		int checkForExtLinux(struct grubConfig *config)
4275		{
4276		int fd;
4277		unsigned char bootSect[512];
4278		char *boot;
4279		char executable[] = "/boot/extlinux/extlinux";
4280
4281		printf("entered: checkForExtLinux()\n");
4282
4283		if (parseSysconfigGrub(NULL, &boot))
4284		return 0;
4285
4286		/* assume grub is not installed -- not an error condition */
4287		if (!boot)
4288		return 0;
4289
4290		fd = open(executable, O_RDONLY);
4291		if (fd < 0)
4292		/* this doesn't exist if grub hasn't been installed */
4293		return 0;
4294
4295		if (read(fd, bootSect, 512) != 512) {
4296		fprintf(stderr, _("grubby: unable to read %s: %s\n"),
4297		executable, strerror(errno));
4298		return 1;
4299		}
4300		close(fd);
4301
4302		return checkDeviceBootloader(boot, bootSect);
4303		}
4304
4305		int checkForYaboot(struct grubConfig *config)
4306		{
4307		/*
4308		* This is a simplistic check that we consider good enough for own puporses
4309		*
4310		* If we were to properly check if yaboot is *installed* we'd need to:
4311		* 1) get the system boot device (LT_BOOT)
4312		* 2) considering it's a raw filesystem, check if the yaboot binary matches
4313		*    the content on the boot device
4314		* 3) if not, copy the binary to a temporary file and run "addnote" on it
4315		* 4) check again if binary and boot device contents match
4316		*/
4317		if (!access("/etc/yaboot.conf", R_OK))
4318		return 2;
4319
4320		return 1;
4321		}
4322
4323		int checkForElilo(struct grubConfig *config)
4324		{
4325		if (!access("/etc/elilo.conf", R_OK))
4326		return 2;
4327
4328		return 1;
4329		}
4330
4331		static char *getRootSpecifier(char *str)
4332		{
4333		char *idx, *rootspec = NULL;
4334
4335		if (*str == '(') {
4336		idx = rootspec = strdup(str);
4337		while (*idx && (*idx != ')') && (!isspace(*idx)))
4338		idx++;
4339		*(++idx) = '\0';
4340		}
4341		return rootspec;
4342		}
4343
4344		static char *getInitrdVal(struct grubConfig *config,
4345		const char *prefix, struct singleLine *tmplLine,
4346		const char *newKernelInitrd,
4347		const char **extraInitrds, int extraInitrdCount)
4348		{
4349		char *initrdVal, *end;
4350		int i;
4351		size_t totalSize;
4352		size_t prefixLen;
4353		char separatorChar;
4354
4355		prefixLen = strlen(prefix);
4356		totalSize = strlen(newKernelInitrd) - prefixLen + 1 /* \0 */ ;
4357
4358		for (i = 0; i < extraInitrdCount; i++) {
4359		totalSize += sizeof(separatorChar);
4360		totalSize += strlen(extraInitrds[i]) - prefixLen;
4361		}
4362
4363		initrdVal = end = malloc(totalSize);
4364
4365		end = stpcpy(end, newKernelInitrd + prefixLen);
4366
4367		separatorChar = getKeywordByType(LT_INITRD, config->cfi)->separatorChar;
4368		for (i = 0; i < extraInitrdCount; i++) {
4369		const char *extraInitrd;
4370		int j;
4371
4372		extraInitrd = extraInitrds[i] + prefixLen;
4373		/* Don't add entries that are already there */
4374		if (tmplLine != NULL) {
4375		for (j = 2; j < tmplLine->numElements; j++)
4376		if (strcmp
4377		(extraInitrd,
4378		tmplLine->elements[j].item) == 0)
4379		break;
4380
4381		if (j != tmplLine->numElements)
4382		continue;
4383		}
4384
4385		*end++ = separatorChar;
4386		end = stpcpy(end, extraInitrd);
4387		}
4388
4389		return initrdVal;
4390		}
4391
4392		int addNewKernel(struct grubConfig *config, struct singleEntry *template,
4393		const char *prefix,
4394		const char *newKernelPath, const char *newKernelTitle,
4395		const char *newKernelArgs, const char *newKernelInitrd,
4396		const char **extraInitrds, int extraInitrdCount,
4397		const char *newMBKernel, const char *newMBKernelArgs,
4398		const char *newDevTreePath, int newIndex)
4399		{
4400		struct singleEntry *new, *entry, *prev = NULL;
4401		struct singleLine *newLine = NULL, *tmplLine = NULL, *masterLine = NULL;
4402		int needs;
4403		char *indexs;
4404		char *chptr;
4405		int rc;
4406
4407		if (!newKernelPath)
4408		return 0;
4409
4410		rc = asprintf(&indexs, "%d", newIndex);
4411		if (rc < 0)
4412		return 1;
4413
4414		/* if the newKernelTitle is too long silently munge it into something
4415		* we can live with. truncating is first check, then we'll just mess with
4416		* it until it looks better */
4417		if (config->cfi->maxTitleLength &&
4418		(strlen(newKernelTitle) > config->cfi->maxTitleLength)) {
4419		char *buf = alloca(config->cfi->maxTitleLength + 7);
4420		char *numBuf = alloca(config->cfi->maxTitleLength + 1);
4421		int i = 1;
4422
4423		sprintf(buf, "TITLE=%.*s", config->cfi->maxTitleLength,
4424		newKernelTitle);
4425		while (findEntryByPath(config, buf, NULL, NULL)) {
4426		sprintf(numBuf, "%d", i++);
4427		strcpy(buf + strlen(buf) - strlen(numBuf), numBuf);
4428		}
4429
4430		newKernelTitle = buf + 6;
4431		}
4432
4433		new = malloc(sizeof(*new));
4434		new->skip = 0;
4435		new->multiboot = 0;
4436		new->lines = NULL;
4437		entry = config->entries;
4438		for (unsigned int i = 0; i < newIndex; i++) {
4439		if (!entry)
4440		break;
4441		prev = entry;
4442		entry = entry->next;
4443		}
4444		new->next = entry;
4445
4446		if (prev)
4447		prev->next = new;
4448		else
4449		config->entries = new;
4450
4451		/* copy/update from the template */
4452		needs = NEED_KERNEL | NEED_TITLE;
4453		if (newKernelInitrd)
4454		needs |= NEED_INITRD;
4455		if (newMBKernel) {
4456		needs |= NEED_MB;
4457		new->multiboot = 1;
4458		}
4459		if (newDevTreePath && getKeywordByType(LT_DEVTREE, config->cfi))
4460		needs |= NEED_DEVTREE;
4461
4462		if (template) {
4463		for (masterLine = template->lines;
4464		masterLine && (tmplLine = lineDup(masterLine));
4465		lineFree(tmplLine), masterLine = masterLine->next) {
4466		dbgPrintf("addNewKernel processing %d\n",
4467		tmplLine->type);
4468
4469		/* skip comments */
4470		chptr = tmplLine->indent;
4471		while (*chptr && isspace(*chptr))
4472		chptr++;
4473		if (*chptr == '#')
4474		continue;
4475
4476		if (iskernel(tmplLine->type)
4477		&& tmplLine->numElements >= 2) {
4478		if (!template->multiboot && (needs & NEED_MB)) {
4479		/* it's not a multiboot template and
4480		* this is the kernel line.  Try to
4481		* be intelligent about inserting the
4482		* hypervisor at the same time.
4483		*/
4484		if (config->cfi->mbHyperFirst) {
4485		/* insert the hypervisor first */
4486		newLine =
4487		addLine(new, config->cfi,
4488		LT_HYPER,
4489		tmplLine->indent,
4490		newMBKernel +
4491		strlen(prefix));
4492		/* set up for adding the
4493		* kernel line */
4494		free(tmplLine->indent);
4495		tmplLine->indent =
4496		strdup(config->
4497		secondaryIndent);
4498		needs &= ~NEED_MB;
4499		}
4500		if (needs & NEED_KERNEL) {
4501		/* use addLineTmpl to
4502		* preserve line elements,
4503		* otherwise we could just
4504		* call addLine.
4505		* Unfortunately this means
4506		* making some changes to the
4507		* template such as the
4508		* indent change above and
4509		* the type change below.
4510		*/
4511		struct keywordTypes *mbm_kw =
4512		getKeywordByType
4513		(LT_MBMODULE, config->cfi);
4514		if (mbm_kw) {
4515		tmplLine->type =
4516		LT_MBMODULE;
4517		free(tmplLine->
4518		elements[0].item);
4519		tmplLine->elements[0].
4520		item =
4521		strdup(mbm_kw->key);
4522		}
4523		newLine =
4524		addLineTmpl(new, tmplLine,
4525		newLine,
4526		newKernelPath +
4527		strlen(prefix),
4528		config->cfi);
4529		needs &= ~NEED_KERNEL;
4530		}
4531		if (needs & NEED_MB) { /* !mbHyperFirst */
4532		newLine =
4533		addLine(new, config->cfi,
4534		LT_HYPER,
4535		config->
4536		secondaryIndent,
4537		newMBKernel +
4538		strlen(prefix));
4539		needs &= ~NEED_MB;
4540		}
4541		} else if (needs & NEED_KERNEL) {
4542		newLine =
4543		addLineTmpl(new, tmplLine, newLine,
4544		newKernelPath +
4545		strlen(prefix),
4546		config->cfi);
4547		needs &= ~NEED_KERNEL;
4548		}
4549
4550		} else if (tmplLine->type == LT_HYPER &&
4551		tmplLine->numElements >= 2) {
4552		if (needs & NEED_MB) {
4553		newLine =
4554		addLineTmpl(new, tmplLine, newLine,
4555		newMBKernel +
4556		strlen(prefix),
4557		config->cfi);
4558		needs &= ~NEED_MB;
4559		}
4560
4561		} else if (tmplLine->type == LT_MBMODULE &&
4562		tmplLine->numElements >= 2) {
4563		if (new->multiboot) {
4564		if (needs & NEED_KERNEL) {
4565		newLine =
4566		addLineTmpl(new, tmplLine,
4567		newLine,
4568		newKernelPath +
4569		strlen(prefix),
4570		config->cfi);
4571		needs &= ~NEED_KERNEL;
4572		} else if (config->cfi->mbInitRdIsModule
4573		&& (needs & NEED_INITRD)) {
4574		char *initrdVal;
4575		initrdVal =
4576		getInitrdVal(config, prefix,
4577		tmplLine,
4578		newKernelInitrd,
4579		extraInitrds,
4580		extraInitrdCount);
4581		newLine =
4582		addLineTmpl(new, tmplLine,
4583		newLine,
4584		initrdVal,
4585		config->cfi);
4586		free(initrdVal);
4587		needs &= ~NEED_INITRD;
4588		}
4589		} else if (needs & NEED_KERNEL) {
4590		/* template is multi but new is not,
4591		* insert the kernel in the first
4592		* module slot
4593		*/
4594		tmplLine->type =
4595		preferredLineType(LT_KERNEL,
4596		config->cfi);
4597		free(tmplLine->elements[0].item);
4598		tmplLine->elements[0].item =
4599		strdup(getKeywordByType
4600		(tmplLine->type,
4601		config->cfi)->key);
4602		newLine =
4603		addLineTmpl(new, tmplLine, newLine,
4604		newKernelPath +
4605		strlen(prefix),
4606		config->cfi);
4607		needs &= ~NEED_KERNEL;
4608		} else if (needs & NEED_INITRD) {
4609		char *initrdVal;
4610		/* template is multi but new is not,
4611		* insert the initrd in the second
4612		* module slot
4613		*/
4614		tmplLine->type =
4615		preferredLineType(LT_INITRD,
4616		config->cfi);
4617		free(tmplLine->elements[0].item);
4618		tmplLine->elements[0].item =
4619		strdup(getKeywordByType
4620		(tmplLine->type,
4621		config->cfi)->key);
4622		initrdVal =
4623		getInitrdVal(config, prefix,
4624		tmplLine,
4625		newKernelInitrd,
4626		extraInitrds,
4627		extraInitrdCount);
4628		newLine =
4629		addLineTmpl(new, tmplLine, newLine,
4630		initrdVal, config->cfi);
4631		free(initrdVal);
4632		needs &= ~NEED_INITRD;
4633		}
4634
4635		} else if (isinitrd(tmplLine->type)
4636		&& tmplLine->numElements >= 2) {
4637		if (needs & NEED_INITRD && new->multiboot
4638		&& !template->multiboot
4639		&& config->cfi->mbInitRdIsModule) {
4640		/* make sure we don't insert the
4641		* module initrd before the module
4642		* kernel... if we don't do it here,
4643		* it will be inserted following the
4644		* template.
4645		*/
4646		if (!needs & NEED_KERNEL) {
4647		char *initrdVal;
4648
4649		initrdVal =
4650		getInitrdVal(config, prefix,
4651		tmplLine,
4652		newKernelInitrd,
4653		extraInitrds,
4654		extraInitrdCount);
4655		newLine =
4656		addLine(new, config->cfi,
4657		LT_MBMODULE,
4658		config->
4659		secondaryIndent,
4660		initrdVal);
4661		free(initrdVal);
4662		needs &= ~NEED_INITRD;
4663		}
4664		} else if (needs & NEED_INITRD) {
4665		char *initrdVal;
4666		initrdVal =
4667		getInitrdVal(config, prefix,
4668		tmplLine,
4669		newKernelInitrd,
4670		extraInitrds,
4671		extraInitrdCount);
4672		newLine =
4673		addLineTmpl(new, tmplLine, newLine,
4674		initrdVal, config->cfi);
4675		free(initrdVal);
4676		needs &= ~NEED_INITRD;
4677		}
4678
4679		} else if (tmplLine->type == LT_MENUENTRY &&
4680		(needs & NEED_TITLE)) {
4681		requote(tmplLine, config->cfi);
4682		char *nkt = malloc(strlen(newKernelTitle) + 3);
4683		strcpy(nkt, "'");
4684		strcat(nkt, newKernelTitle);
4685		strcat(nkt, "'");
4686		newLine =
4687		addLineTmpl(new, tmplLine, newLine, nkt,
4688		config->cfi);
4689		free(nkt);
4690		needs &= ~NEED_TITLE;
4691		} else if (tmplLine->type == LT_TITLE &&
4692		(needs & NEED_TITLE)) {
4693		if (tmplLine->numElements >= 2) {
4694		newLine =
4695		addLineTmpl(new, tmplLine, newLine,
4696		newKernelTitle,
4697		config->cfi);
4698		needs &= ~NEED_TITLE;
4699		} else if (tmplLine->numElements == 1 &&
4700		config->cfi->titleBracketed) {
4701		/* addLineTmpl doesn't handle
4702		* titleBracketed */
4703		newLine =
4704		addLine(new, config->cfi, LT_TITLE,
4705		tmplLine->indent,
4706		newKernelTitle);
4707		needs &= ~NEED_TITLE;
4708		}
4709		} else if (tmplLine->type == LT_ECHO) {
4710		requote(tmplLine, config->cfi);
4711		static const char *prefix = "'Loading ";
4712		if (tmplLine->numElements > 1 &&
4713		strstr(tmplLine->elements[1].item, prefix)
4714		&& masterLine->next
4715		&& iskernel(masterLine->next->type)) {
4716		char *newTitle =
4717		malloc(strlen(prefix) +
4718		strlen(newKernelTitle) + 2);
4719
4720		strcpy(newTitle, prefix);
4721		strcat(newTitle, newKernelTitle);
4722		strcat(newTitle, "'");
4723		newLine =
4724		addLine(new, config->cfi, LT_ECHO,
4725		tmplLine->indent, newTitle);
4726		free(newTitle);
4727		} else {
4728		/* pass through other lines from the
4729		* template */
4730		newLine =
4731		addLineTmpl(new, tmplLine, newLine,
4732		NULL, config->cfi);
4733		}
4734		} else if (tmplLine->type == LT_DEVTREE &&
4735		tmplLine->numElements == 2
4736		&& newDevTreePath) {
4737		newLine =
4738		addLineTmpl(new, tmplLine, newLine,
4739		newDevTreePath + strlen(prefix),
4740		config->cfi);
4741		needs &= ~NEED_DEVTREE;
4742		} else if (tmplLine->type == LT_ENTRY_END
4743		&& needs & NEED_DEVTREE) {
4744		const char *ndtp = newDevTreePath;
4745		if (!strncmp
4746		(newDevTreePath, prefix, strlen(prefix)))
4747		ndtp += strlen(prefix);
4748		newLine = addLine(new, config->cfi, LT_DEVTREE,
4749		config->secondaryIndent,
4750		ndtp);
4751		needs &= ~NEED_DEVTREE;
4752		newLine =
4753		addLineTmpl(new, tmplLine, newLine, NULL,
4754		config->cfi);
4755		} else {
4756		/* pass through other lines from the template */
4757		newLine =
4758		addLineTmpl(new, tmplLine, newLine, NULL,
4759		config->cfi);
4760		}
4761		}
4762
4763		} else {
4764		/* don't have a template, so start the entry with the
4765		* appropriate starting line
4766		*/
4767		switch (config->cfi->entryStart) {
4768		case LT_KERNEL:
4769		case LT_KERNEL_EFI:
4770		case LT_KERNEL_16:
4771		if (new->multiboot && config->cfi->mbHyperFirst) {
4772		/* fall through to LT_HYPER */
4773		} else {
4774		newLine = addLine(new, config->cfi,
4775		preferredLineType(LT_KERNEL,
4776		config->
4777		cfi),
4778		config->primaryIndent,
4779		newKernelPath +
4780		strlen(prefix));
4781		needs &= ~NEED_KERNEL;
4782		break;
4783		}
4784
4785		case LT_HYPER:
4786		newLine = addLine(new, config->cfi, LT_HYPER,
4787		config->primaryIndent,
4788		newMBKernel + strlen(prefix));
4789		needs &= ~NEED_MB;
4790		break;
4791
4792		case LT_MENUENTRY:{
4793		char *nkt = malloc(strlen(newKernelTitle) + 3);
4794		strcpy(nkt, "'");
4795		strcat(nkt, newKernelTitle);
4796		strcat(nkt, "'");
4797		newLine =
4798		addLine(new, config->cfi, LT_MENUENTRY,
4799		config->primaryIndent, nkt);
4800		free(nkt);
4801		needs &= ~NEED_TITLE;
4802		needs |= NEED_END;
4803		break;
4804		}
4805		case LT_TITLE:
4806		if (useextlinuxmenu != 0) { // We just need useextlinuxmenu to not be zero (set above)
4807		char *templabel;
4808		int x = 0, y = 0;
4809
4810		templabel = strdup(newKernelTitle);
4811		while (templabel[x]) {
4812		if (templabel[x] == ' ') {
4813		y = x;
4814		while (templabel[y]) {
4815		templabel[y] =
4816		templabel[y + 1];
4817		y++;
4818		}
4819		}
4820		x++;
4821		}
4822		newLine = addLine(new, config->cfi, LT_TITLE,
4823		config->primaryIndent,
4824		templabel);
4825		free(templabel);
4826		} else {
4827		newLine = addLine(new, config->cfi, LT_TITLE,
4828		config->primaryIndent,
4829		newKernelTitle);
4830		}
4831		needs &= ~NEED_TITLE;
4832		break;
4833
4834		default:
4835		abort();
4836		}
4837		}
4838
4839		struct singleLine *endLine = NULL;
4840		endLine = getLineByType(LT_ENTRY_END, new->lines);
4841		if (endLine) {
4842		removeLine(new, endLine);
4843		needs |= NEED_END;
4844		}
4845
4846		/* add the remainder of the lines, i.e. those that either
4847		* weren't present in the template, or in the case of no template,
4848		* all the lines following the entryStart.
4849		*/
4850		if (needs & NEED_TITLE) {
4851		newLine = addLine(new, config->cfi, LT_TITLE,
4852		config->secondaryIndent, newKernelTitle);
4853		needs &= ~NEED_TITLE;
4854		}
4855		if ((needs & NEED_MB) && config->cfi->mbHyperFirst) {
4856		newLine = addLine(new, config->cfi, LT_HYPER,
4857		config->secondaryIndent,
4858		newMBKernel + strlen(prefix));
4859		needs &= ~NEED_MB;
4860		}
4861		if (needs & NEED_KERNEL) {
4862		newLine = addLine(new, config->cfi,
4863		(new->multiboot
4864		&& getKeywordByType(LT_MBMODULE,
4865		config->cfi))
4866		? LT_MBMODULE : preferredLineType(LT_KERNEL,
4867		config->
4868		cfi),
4869		config->secondaryIndent,
4870		newKernelPath + strlen(prefix));
4871		needs &= ~NEED_KERNEL;
4872		}
4873		if (needs & NEED_MB) {
4874		newLine = addLine(new, config->cfi, LT_HYPER,
4875		config->secondaryIndent,
4876		newMBKernel + strlen(prefix));
4877		needs &= ~NEED_MB;
4878		}
4879		if (needs & NEED_INITRD) {
4880		char *initrdVal;
4881		initrdVal =
4882		getInitrdVal(config, prefix, NULL, newKernelInitrd,
4883		extraInitrds, extraInitrdCount);
4884		newLine =
4885		addLine(new, config->cfi,
4886		(new->multiboot
4887		&& getKeywordByType(LT_MBMODULE, config->cfi))
4888		? LT_MBMODULE : preferredLineType(LT_INITRD,
4889		config->cfi),
4890		config->secondaryIndent, initrdVal);
4891		free(initrdVal);
4892		needs &= ~NEED_INITRD;
4893		}
4894		if (needs & NEED_DEVTREE) {
4895		newLine = addLine(new, config->cfi, LT_DEVTREE,
4896		config->secondaryIndent, newDevTreePath);
4897		needs &= ~NEED_DEVTREE;
4898		}
4899
4900		/* NEEDS_END must be last on bootloaders that need it... */
4901		if (needs & NEED_END) {
4902		newLine = addLine(new, config->cfi, LT_ENTRY_END,
4903		config->secondaryIndent, NULL);
4904		needs &= ~NEED_END;
4905		}
4906
4907		if (needs) {
4908		printf(_("grubby: needs=%d, aborting\n"), needs);
4909		abort();
4910		}
4911
4912		if (updateImage(config, indexs, prefix, newKernelArgs, NULL,
4913		newMBKernelArgs, NULL)) {
4914		config->isModified = 1;
4915		return 1;
4916		}
4917
4918	return 0;	return 0;
4919		}
4920
4921	} else if (displayDefaultIndex) {	int main(int argc, const char **argv)
4922	if (config->defaultImage == -1) return 0;	{
4923	if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&	poptContext optCon;
4924	cfi->defaultIsSaved)	const char *grubConfig = NULL;
4925	config->defaultImage = 0;	char *outputFile = NULL;
4926	printf("%i\n", config->defaultImage);	int arg = 0;
4927	return 0;	int flags = 0;
4928		int badImageOkay = 0;
4929	} else if (kernelInfo)	int configureGrub2 = 0;
4930	return displayInfo(config, kernelInfo, bootPrefix);	int configureLilo = 0, configureELilo = 0, configureGrub = 0;
4931		int configureYaboot = 0, configureSilo = 0, configureZipl = 0;
4932	if (copyDefault) {	int configureExtLinux = 0;
4933	template = findTemplate(config, bootPrefix, NULL, 0, flags);	int bootloaderProbe = 0;
4934	if (!template) return 1;	int extraInitrdCount = 0;
4935	}	char *updateKernelPath = NULL;
4936		char *newKernelPath = NULL;
4937		char *removeKernelPath = NULL;
4938		char *newKernelArgs = NULL;
4939		char *newKernelInitrd = NULL;
4940		char *newKernelTitle = NULL;
4941		char *newDevTreePath = NULL;
4942		char *newMBKernel = NULL;
4943		char *newMBKernelArgs = NULL;
4944		int newIndex = 0;
4945		char *removeMBKernelArgs = NULL;
4946		char *removeMBKernel = NULL;
4947		char *bootPrefix = NULL;
4948		char *defaultKernel = NULL;
4949		char *removeArgs = NULL;
4950		char *kernelInfo = NULL;
4951		char *extraInitrds[MAX_EXTRA_INITRDS] = { NULL };
4952		char *envPath = NULL;
4953		const char *chptr = NULL;
4954		struct configFileInfo *cfi = NULL;
4955		struct grubConfig *config;
4956		struct singleEntry *template = NULL;
4957		int copyDefault = 0, makeDefault = 0;
4958		int displayDefault = 0;
4959		int displayDefaultIndex = 0;
4960		int displayDefaultTitle = 0;
4961		int defaultIndex = -1;
4962		struct poptOption options[] = {
4963		{"add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0,
4964		_("add an entry for the specified kernel"), _("kernel-path")},
4965		{"add-multiboot", 0, POPT_ARG_STRING, &newMBKernel, 0,
4966		_("add an entry for the specified multiboot kernel"), NULL},
4967		{"args", 0, POPT_ARG_STRING, &newKernelArgs, 0,
4968		_("default arguments for the new kernel or new arguments for "
4969		"kernel being updated"), _("args")},
4970		{"mbargs", 0, POPT_ARG_STRING, &newMBKernelArgs, 0,
4971		_("default arguments for the new multiboot kernel or "
4972		"new arguments for multiboot kernel being updated"), NULL},
4973		{"bad-image-okay", 0, 0, &badImageOkay, 0,
4974		_
4975		("don't sanity check images in boot entries (for testing only)"),
4976		NULL},
4977		{"boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0,
4978		_
4979		("filesystem which contains /boot directory (for testing only)"),
4980		_("bootfs")},
4981		#if defined(__i386__) || defined(__x86_64__) || defined (__powerpc64__) || defined (__ia64__)
4982		{"bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0,
4983		_("check which bootloader is installed on boot sector")},
4984		#endif
4985		{"config-file", 'c', POPT_ARG_STRING, &grubConfig, 0,
4986		_("path to grub config file to update (\"-\" for stdin)"),
4987		_("path")},
4988		{"copy-default", 0, 0, &copyDefault, 0,
4989		_("use the default boot entry as a template for the new entry "
4990		"being added; if the default is not a linux image, or if "
4991		"the kernel referenced by the default image does not exist, "
4992		"the first linux entry whose kernel does exist is used as the "
4993		"template"), NULL},
4994		{"debug", 0, 0, &debug, 0,
4995		_("print debugging information for failures")},
4996		{"default-kernel", 0, 0, &displayDefault, 0,
4997		_("display the path of the default kernel")},
4998		{"default-index", 0, 0, &displayDefaultIndex, 0,
4999		_("display the index of the default kernel")},
5000		{"default-title", 0, 0, &displayDefaultTitle, 0,
5001		_("display the title of the default kernel")},
5002		{"devtree", 0, POPT_ARG_STRING, &newDevTreePath, 0,
5003		_("device tree file for new stanza"), _("dtb-path")},
5004		{"devtreedir", 0, POPT_ARG_STRING, &newDevTreePath, 0,
5005		_("device tree directory for new stanza"), _("dtb-path")},
5006		{"elilo", 0, POPT_ARG_NONE, &configureELilo, 0,
5007		_("configure elilo bootloader")},
5008		{"efi", 0, POPT_ARG_NONE, &isEfi, 0,
5009		_("force grub2 stanzas to use efi")},
5010		{"env", 0, POPT_ARG_STRING, &envPath, 0,
5011		_("path for environment data"),
5012		_("path")},
5013		{"extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0,
5014		_("configure extlinux bootloader (from syslinux)")},
5015		{"grub", 0, POPT_ARG_NONE, &configureGrub, 0,
5016		_("configure grub bootloader")},
5017		{"grub2", 0, POPT_ARG_NONE, &configureGrub2, 0,
5018		_("configure grub2 bootloader")},
5019		{"info", 0, POPT_ARG_STRING, &kernelInfo, 0,
5020		_("display boot information for specified kernel"),
5021		_("kernel-path")},
5022		{"initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0,
5023		_("initrd image for the new kernel"), _("initrd-path")},
5024		{"extra-initrd", 'i', POPT_ARG_STRING, NULL, 'i',
5025		_
5026		("auxiliary initrd image for things other than the new kernel"),
5027		_("initrd-path")},
5028		{"lilo", 0, POPT_ARG_NONE, &configureLilo, 0,
5029		_("configure lilo bootloader")},
5030		{"make-default", 0, 0, &makeDefault, 0,
5031		_("make the newly added entry the default boot entry"), NULL},
5032		{"output-file", 'o', POPT_ARG_STRING, &outputFile, 0,
5033		_("path to output updated config file (\"-\" for stdout)"),
5034		_("path")},
5035		{"remove-args", 0, POPT_ARG_STRING, &removeArgs, 0,
5036		_("remove kernel arguments"), NULL},
5037		{"remove-mbargs", 0, POPT_ARG_STRING, &removeMBKernelArgs, 0,
5038		_("remove multiboot kernel arguments"), NULL},
5039		{"remove-kernel", 0, POPT_ARG_STRING, &removeKernelPath, 0,
5040		_("remove all entries for the specified kernel"),
5041		_("kernel-path")},
5042		{"remove-multiboot", 0, POPT_ARG_STRING, &removeMBKernel, 0,
5043		_("remove all entries for the specified multiboot kernel"),
5044		NULL},
5045		{"set-default", 0, POPT_ARG_STRING, &defaultKernel, 0,
5046		_("make the first entry referencing the specified kernel "
5047		"the default"), _("kernel-path")},
5048		{"set-default-index", 0, POPT_ARG_INT, &defaultIndex, 0,
5049		_("make the given entry index the default entry"),
5050		_("entry-index")},
5051		{"set-index", 0, POPT_ARG_INT, &newIndex, 0,
5052		_("use the given index when creating a new entry"),
5053		_("entry-index")},
5054		{"silo", 0, POPT_ARG_NONE, &configureSilo, 0,
5055		_("configure silo bootloader")},
5056		{"title", 0, POPT_ARG_STRING, &newKernelTitle, 0,
5057		_("title to use for the new kernel entry"), _("entry-title")},
5058		{"update-kernel", 0, POPT_ARG_STRING, &updateKernelPath, 0,
5059		_("updated information for the specified kernel"),
5060		_("kernel-path")},
5061		{"version", 'v', 0, NULL, 'v',
5062		_("print the version of this program and exit"), NULL},
5063		{"yaboot", 0, POPT_ARG_NONE, &configureYaboot, 0,
5064		_("configure yaboot bootloader")},
5065		{"zipl", 0, POPT_ARG_NONE, &configureZipl, 0,
5066		_("configure zipl bootloader")},
5067		POPT_AUTOHELP {0, 0, 0, 0, 0}
5068		};
5069
5070		useextlinuxmenu = 0;
5071
5072		int i = 0;
5073		for (int j = 1; j < argc; j++)
5074		i += strlen(argv[j]) + 1;
5075		saved_command_line = malloc(i);
5076		if (!saved_command_line) {
5077		fprintf(stderr, "grubby: %m\n");
5078		exit(1);
5079		}
5080		saved_command_line[0] = '\0';
5081		for (int j = 1; j < argc; j++) {
5082		strcat(saved_command_line, argv[j]);
5083		strncat(saved_command_line, j == argc - 1 ? "" : " ", 1);
5084		}
5085
5086		optCon = poptGetContext("grubby", argc, argv, options, 0);
5087		poptReadDefaultConfig(optCon, 1);
5088
5089		while ((arg = poptGetNextOpt(optCon)) >= 0) {
5090		switch (arg) {
5091		case 'v':
5092		printf("grubby version %s\n", VERSION);
5093		exit(0);
5094		break;
5095		case 'i':
5096		if (extraInitrdCount < MAX_EXTRA_INITRDS) {
5097		extraInitrds[extraInitrdCount++] =
5098		strdup(poptGetOptArg(optCon));
5099		} else {
5100		fprintf(stderr,
5101		_
5102		("grubby: extra initrd maximum is %d\n"),
5103		extraInitrdCount);
5104		return 1;
5105		}
5106		break;
5107		}
5108		}
5109
5110		if (arg < -1) {
5111		fprintf(stderr, _("grubby: bad argument %s: %s\n"),
5112		poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
5113		poptStrerror(arg));
5114		return 1;
5115		}
5116
5117		if ((chptr = poptGetArg(optCon))) {
5118		fprintf(stderr, _("grubby: unexpected argument %s\n"), chptr);
5119		return 1;
5120		}
5121
5122		if ((configureLilo + configureGrub2 + configureGrub + configureELilo +
5123		configureYaboot + configureSilo + configureZipl +
5124		configureExtLinux) > 1) {
5125		fprintf(stderr,
5126		_("grubby: cannot specify multiple bootloaders\n"));
5127		return 1;
5128		} else if (bootloaderProbe && grubConfig) {
5129		fprintf(stderr,
5130		_
5131		("grubby: cannot specify config file with --bootloader-probe\n"));
5132		return 1;
5133		} else if (configureGrub2) {
5134		cfi = &grub2ConfigType;
5135		if (envPath)
5136		cfi->envFile = envPath;
5137		} else if (configureLilo) {
5138		cfi = &liloConfigType;
5139		} else if (configureGrub) {
5140		cfi = &grubConfigType;
5141		} else if (configureELilo) {
5142		cfi = &eliloConfigType;
5143		} else if (configureYaboot) {
5144		cfi = &yabootConfigType;
5145		} else if (configureSilo) {
5146		cfi = &siloConfigType;
5147		} else if (configureZipl) {
5148		cfi = &ziplConfigType;
5149		} else if (configureExtLinux) {
5150		cfi = &extlinuxConfigType;
5151		useextlinuxmenu = 1;
5152		}
5153
5154		if (!cfi) {
5155		if (grub2FindConfig(&grub2ConfigType)) {
5156		cfi = &grub2ConfigType;
5157		if (envPath)
5158		cfi->envFile = envPath;
5159		} else
5160		#ifdef __ia64__
5161		cfi = &eliloConfigType;
5162		#elif __powerpc__
5163		cfi = &yabootConfigType;
5164		#elif __sparc__
5165		cfi = &siloConfigType;
5166		#elif __s390__
5167		cfi = &ziplConfigType;
5168		#elif __s390x__
5169		cfi = &ziplConfigtype;
5170		#else
5171		cfi = &grubConfigType;
5172		#endif
5173		}
5174
5175		if (!grubConfig) {
5176		if (cfi->findConfig)
5177		grubConfig = cfi->findConfig(cfi);
5178		if (!grubConfig)
5179		grubConfig = cfi->defaultConfig;
5180		}
5181
5182		if (bootloaderProbe && (displayDefault || kernelInfo ||
5183		newKernelPath || removeKernelPath || makeDefault
5184		|| defaultKernel || displayDefaultIndex
5185		|| displayDefaultTitle
5186		|| (defaultIndex >= 0))) {
5187		fprintf(stderr,
5188		_("grubby: --bootloader-probe may not be used with "
5189		"specified option"));
5190		return 1;
5191		}
5192
5193		if ((displayDefault || kernelInfo) && (newKernelPath ||
5194		removeKernelPath)) {
5195		fprintf(stderr, _("grubby: --default-kernel and --info may not "
5196		"be used when adding or removing kernels\n"));
5197		return 1;
5198		}
5199
5200		if (newKernelPath && !newKernelTitle) {
5201		fprintf(stderr, _("grubby: kernel title must be specified\n"));
5202		return 1;
5203		} else if (!newKernelPath && (copyDefault ||
5204		(newKernelInitrd && !updateKernelPath) ||
5205		makeDefault || extraInitrdCount > 0)) {
5206		fprintf(stderr, _("grubby: kernel path expected\n"));
5207		return 1;
5208		}
5209
5210		if (newKernelPath && updateKernelPath) {
5211		fprintf(stderr, _("grubby: --add-kernel and --update-kernel may"
5212		"not be used together"));
5213		return 1;
5214		}
5215
5216		if (makeDefault && defaultKernel) {
5217		fprintf(stderr, _("grubby: --make-default and --default-kernel "
5218		"may not be used together\n"));
5219		return 1;
5220		} else if (defaultKernel && removeKernelPath &&
5221		!strcmp(defaultKernel, removeKernelPath)) {
5222		fprintf(stderr,
5223		_("grubby: cannot make removed kernel the default\n"));
5224		return 1;
5225		} else if (defaultKernel && newKernelPath &&
5226		!strcmp(defaultKernel, newKernelPath)) {
5227		makeDefault = 1;
5228		defaultKernel = NULL;
5229		} else if (defaultKernel && (defaultIndex >= 0)) {
5230		fprintf(stderr,
5231		_("grubby: --set-default and --set-default-index "
5232		"may not be used together\n"));
5233		return 1;
5234		}
5235
5236		if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) {
5237		fprintf(stderr,
5238		_("grubby: output file must be specified if stdin "
5239		"is used\n"));
5240		return 1;
5241		}
5242
5243		if (!removeKernelPath && !newKernelPath && !displayDefault
5244		&& !defaultKernel && !kernelInfo && !bootloaderProbe
5245		&& !updateKernelPath && !removeMBKernel && !displayDefaultIndex
5246		&& !displayDefaultTitle && (defaultIndex == -1)) {
5247		fprintf(stderr, _("grubby: no action specified\n"));
5248		return 1;
5249		}
5250
5251		flags |= badImageOkay ? GRUBBY_BADIMAGE_OKAY : 0;
5252
5253		if (cfi->needsBootPrefix) {
5254		if (!bootPrefix) {
5255		bootPrefix = findBootPrefix();
5256		if (!bootPrefix)
5257		return 1;
5258		} else {
5259		/* this shouldn't end with a / */
5260		if (bootPrefix[strlen(bootPrefix) - 1] == '/')
5261		bootPrefix[strlen(bootPrefix) - 1] = '\0';
5262		}
5263		} else {
5264		bootPrefix = "";
5265		}
5266
5267		if (!cfi->mbAllowExtraInitRds && extraInitrdCount > 0) {
5268		fprintf(stderr,
5269		_("grubby: %s doesn't allow multiple initrds\n"),
5270		cfi->defaultConfig);
5271		return 1;
5272		}
5273
5274		if (bootloaderProbe) {
5275		int lrc = 0, grc = 0, gr2c = 0, extrc = 0, yrc = 0, erc = 0;
5276		struct grubConfig *lconfig, *gconfig, *yconfig, *econfig;
5277
5278		const char *grub2config = grub2FindConfig(&grub2ConfigType);
5279		if (grub2config) {
5280		gconfig = readConfig(grub2config, &grub2ConfigType);
5281		if (!gconfig)
5282		gr2c = 1;
5283		else
5284		gr2c = checkForGrub2(gconfig);
5285		}
5286
5287		const char *grubconfig = grubFindConfig(&grubConfigType);
5288		if (!access(grubconfig, F_OK)) {
5289		gconfig = readConfig(grubconfig, &grubConfigType);
5290		if (!gconfig)
5291		grc = 1;
5292		else
5293		grc = checkForGrub(gconfig);
5294		}
5295
5296		if (!access(liloConfigType.defaultConfig, F_OK)) {
5297		lconfig =
5298		readConfig(liloConfigType.defaultConfig,
5299		&liloConfigType);
5300		if (!lconfig)
5301		lrc = 1;
5302		else
5303		lrc = checkForLilo(lconfig);
5304		}
5305
5306		if (!access(eliloConfigType.defaultConfig, F_OK)) {
5307		econfig = readConfig(eliloConfigType.defaultConfig,
5308		&eliloConfigType);
5309		if (!econfig)
5310		erc = 1;
5311		else
5312		erc = checkForElilo(econfig);
5313		}
5314
5315		if (!access(extlinuxConfigType.defaultConfig, F_OK)) {
5316		lconfig =
5317		readConfig(extlinuxConfigType.defaultConfig,
5318		&extlinuxConfigType);
5319		if (!lconfig)
5320		extrc = 1;
5321		else
5322		extrc = checkForExtLinux(lconfig);
5323		}
5324
5325	markRemovedImage(config, removeKernelPath, bootPrefix);	if (!access(yabootConfigType.defaultConfig, F_OK)) {
5326	markRemovedImage(config, removeMBKernel, bootPrefix);	yconfig = readConfig(yabootConfigType.defaultConfig,
5327	setDefaultImage(config, newKernelPath != NULL, defaultKernel, makeDefault,	&yabootConfigType);
5328	bootPrefix, flags, defaultIndex);	if (!yconfig)
5329	setFallbackImage(config, newKernelPath != NULL);	yrc = 1;
5330	if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs,	else
5331	removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1;	yrc = checkForYaboot(yconfig);
5332	if (updateKernelPath && newKernelInitrd) {	}
5333	if (newMBKernel) {
5334	if (addMBInitrd(config, newMBKernel, updateKernelPath,	if (lrc == 1 || grc == 1 || gr2c == 1 || extrc == 1 || yrc == 1
5335	bootPrefix, newKernelInitrd))	|| erc == 1)
	return 1;
	} else {
	if (updateInitrd(config, updateKernelPath, bootPrefix,
	newKernelInitrd))
5336	return 1;	return 1;
	}
	}
	if (addNewKernel(config, template, bootPrefix, newKernelPath,
	newKernelTitle, newKernelArgs, newKernelInitrd,
	(const char **)extraInitrds, extraInitrdCount,
	newMBKernel, newMBKernelArgs, newDevTreePath)) return 1;
	if (numEntries(config) == 0) {
	fprintf(stderr, _("grubby: doing this would leave no kernel entries. "
	"Not writing out new config.\n"));
	return 1;
	}
5337
5338	if (!outputFile)	if (lrc == 2)
5339	outputFile = (char *)grubConfig;	printf("lilo\n");
5340		if (gr2c == 2)
5341		printf("grub2\n");
5342		if (grc == 2)
5343		printf("grub\n");
5344		if (extrc == 2)
5345		printf("extlinux\n");
5346		if (yrc == 2)
5347		printf("yaboot\n");
5348		if (erc == 2)
5349		printf("elilo\n");
5350
5351		return 0;
5352		}
5353
5354		if (grubConfig == NULL) {
5355		printf("Could not find bootloader configuration file.\n");
5356		exit(1);
5357		}
5358
5359		config = readConfig(grubConfig, cfi);
5360		if (!config)
5361		return 1;
5362
5363		if (displayDefault) {
5364		struct singleLine *line;
5365		struct singleEntry *entry;
5366		char *rootspec;
5367
5368		if (config->defaultImage == NO_DEFAULT_ENTRY)
5369		return 0;
5370		if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
5371		cfi->defaultIsSaved)
5372		config->defaultImage = FIRST_ENTRY_INDEX;
5373		entry = findEntryByIndex(config, config->defaultImage);
5374		if (!entry)
5375		return 0;
5376		if (!suitableImage(entry, bootPrefix, 0, flags))
5377		return 0;
5378
5379		line =
5380		getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI |
5381		LT_KERNEL_16, entry->lines);
5382		if (!line)
5383		return 0;
5384
5385		rootspec = getRootSpecifier(line->elements[1].item);
5386		printf("%s%s\n", bootPrefix, line->elements[1].item +
5387		((rootspec != NULL) ? strlen(rootspec) : 0));
5388
5389		return 0;
5390
5391		} else if (displayDefaultTitle) {
5392		struct singleLine *line;
5393		struct singleEntry *entry;
5394
5395		if (config->defaultImage == NO_DEFAULT_ENTRY)
5396		return 0;
5397		if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
5398		cfi->defaultIsSaved)
5399		config->defaultImage = FIRST_ENTRY_INDEX;
5400		entry = findEntryByIndex(config, config->defaultImage);
5401		if (!entry)
5402		return 0;
5403
5404		if (!configureGrub2) {
5405		char *title;
5406		line = getLineByType(LT_TITLE, entry->lines);
5407		if (!line)
5408		return 0;
5409		title = extractTitle(config, line);
5410		if (!title)
5411		return 0;
5412		printf("%s\n", title);
5413		free(title);
5414		} else {
5415		char *title;
5416
5417		dbgPrintf
5418		("This is GRUB2, default title is embeded in menuentry\n");
5419		line = getLineByType(LT_MENUENTRY, entry->lines);
5420		if (!line)
5421		return 0;
5422		title = grub2ExtractTitle(line);
5423		if (title)
5424		printf("%s\n", title);
5425		}
5426		return 0;
5427
5428		} else if (displayDefaultIndex) {
5429		if (config->defaultImage == NO_DEFAULT_ENTRY)
5430		return 0;
5431		if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
5432		cfi->defaultIsSaved)
5433		config->defaultImage = FIRST_ENTRY_INDEX;
5434		printf("%i\n", config->defaultImage);
5435		return 0;
5436
5437		} else if (kernelInfo)
5438		return displayInfo(config, kernelInfo, bootPrefix);
5439
5440		if (copyDefault) {
5441		template = findTemplate(config, bootPrefix, NULL, 0, flags);
5442		if (!template)
5443		return 1;
5444		}
5445
5446		markRemovedImage(config, removeKernelPath, bootPrefix);
5447		markRemovedImage(config, removeMBKernel, bootPrefix);
5448		setDefaultImage(config, newKernelPath != NULL, defaultKernel,
5449		makeDefault, bootPrefix, flags, defaultIndex,
5450		newIndex);
5451		setFallbackImage(config, newKernelPath != NULL);
5452		if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs,
5453		removeArgs, newMBKernelArgs, removeMBKernelArgs))
5454		return 1;
5455		if (updateKernelPath && newKernelInitrd) {
5456		if (newMBKernel) {
5457		if (addMBInitrd(config, newMBKernel, updateKernelPath,
5458		bootPrefix, newKernelInitrd,
5459		newKernelTitle))
5460		return 1;
5461		} else {
5462		if (updateInitrd(config, updateKernelPath, bootPrefix,
5463		newKernelInitrd, newKernelTitle))
5464		return 1;
5465		}
5466		}
5467		if (addNewKernel(config, template, bootPrefix, newKernelPath,
5468		newKernelTitle, newKernelArgs, newKernelInitrd,
5469		(const char **)extraInitrds, extraInitrdCount,
5470		newMBKernel, newMBKernelArgs, newDevTreePath,
5471		newIndex))
5472		return 1;
5473
5474		if (numEntries(config) == 0) {
5475		fprintf(stderr,
5476		_("grubby: doing this would leave no kernel entries. "
5477		"Not writing out new config.\n"));
5478		return 1;
5479		}
5480
5481		if (!outputFile)
5482		outputFile = (char *)grubConfig;
5483
5484	return writeConfig(config, outputFile, bootPrefix);	return writeConfig(config, outputFile, bootPrefix);
5485	}	}

---

Colored Diff Long Colored Diff Full Colored Diff Unidiff Context Diff Side by Side

Legend: Removed from v.2957   changed lines   Added in v.3136