Diff of /trunk/grubby/grubby.c

Parent Directory | Revision Log | Patch

	revision 2977 by niro, Thu Jun 30 10:24:27 2016 UTC	revision 3019 by niro, Tue Jun 27 14:38:16 2017 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	{ "fdt",        LT_DEVTREE,     ' ' },	{"fdt", LT_DEVTREE, ' '},
609	{ "fdtdir",     LT_DEVTREE,     ' ' },	{"fdtdir", LT_DEVTREE, ' '},
610	{ NULL,    0, 0 },	{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 */	{
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 + 1);	if (line->type == LT_TITLE) {
899	*(title + strlen(title) - 1) = '\0';	char *tmp = line->elements[cfg->cfi->titlePosition].item;
900	} else if (line->type == LT_MENUENTRY)	if (cfg->cfi->titleBracketed) {
901	title = strdup(line->elements[1].item);	tmp++;
902	else	title = strdup(tmp);
903	return NULL;	*(title + strlen(title) - 1) = '\0';
904	return title;	} else {
905		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		entry = findEntryByIndex(cfg, cfg->defaultImage);
1716		line = getLineByType(LT_MENUENTRY, entry->lines);
1717		if (!line)
1718		line = getLineByType(LT_TITLE, entry->lines);
1719		if (line) {
1720		title = extractTitle(cfg, line);
1721		if (title)
1722		cfg->cfi->setEnv(cfg->cfi,
1723		"saved_entry", title);
1724		}
1725		}
1726		} else if (cfg->defaultImage >= FIRST_ENTRY_INDEX) {
1727		if (cfg->cfi->defaultIsIndex) {
1728		if (cfg->cfi->defaultIsVariable) {
1729		fprintf(out, "%sset default=\"%d\"\n", indent,
1730		cfg->defaultImage);
1731		} else {
1732		fprintf(out, "%sdefault%s%d\n", indent,
1733		separator, cfg->defaultImage);
1734		}
1735		} else {
1736		int image = cfg->defaultImage;
1737
1738	if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) {	entry = cfg->entries;
1739	fprintf(stderr, "grubby: failed to open %s: %s\n",	while (entry && entry->skip)
1740	_PATH_MOUNTED, strerror(errno));	entry = entry->next;
1741	return NULL;
1742	}	i = 0;
1743		while (entry && i < image) {
1744		entry = entry->next;
1745
1746	rc = read(fd, buf, sizeof(buf) - 1);	while (entry && entry->skip)
1747	if (rc <= 0) {	entry = entry->next;
1748	fprintf(stderr, "grubby: failed to read %s: %s\n",	i++;
1749	_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++;
	}
1750
1751	/* Return the last / entry found */	if (!entry)
1752	if (foundanswer) {	return;
	chptr = strchr(foundanswer, ' ');
	*chptr = '\0';
	return strdup(foundanswer);
	}
1753
1754	return NULL;	line = getLineByType(LT_TITLE, entry->lines);
1755
1756		if (line && line->numElements >= 2)
1757		fprintf(out, "%sdefault%s%s\n", indent,
1758		separator, line->elements[1].item);
1759		else if (line && (line->numElements == 1)
1760		&& cfg->cfi->titleBracketed) {
1761		char *title = extractTitle(cfg, line);
1762		if (title) {
1763		fprintf(out, "%sdefault%s%s\n", indent,
1764		separator, title);
1765		free(title);
1766		}
1767		}
1768		}
1769		}
1770	}	}
1771
1772	void printEntry(struct singleEntry * entry, FILE *f) {	static int writeConfig(struct grubConfig *cfg, char *outName,
1773	int i;	const char *prefix)
1774	struct singleLine * line;	{
1775		FILE *out;
1776		struct singleLine *line;
1777		struct singleEntry *entry;
1778		char *tmpOutName;
1779		int needs = MAIN_DEFAULT;
1780		struct stat sb;
1781		int i;
1782
1783		if (!strcmp(outName, "-")) {
1784		out = stdout;
1785		tmpOutName = NULL;
1786		} else {
1787		if (!lstat(outName, &sb) && S_ISLNK(sb.st_mode)) {
1788		char *buf;
1789		int len = 256;
1790		int rc;
1791
1792		/* most likely the symlink is relative, so change our
1793		directory to the dir of the symlink */
1794		char *dir = strdupa(outName);
1795		rc = chdir(dirname(dir));
1796		do {
1797		buf = alloca(len + 1);
1798		rc = readlink(basename(outName), buf, len);
1799		if (rc == len)
1800		len += 256;
1801		} while (rc == len);
1802
1803		if (rc < 0) {
1804		fprintf(stderr,
1805		_
1806		("grubby: error readlink link %s: %s\n"),
1807		outName, strerror(errno));
1808		return 1;
1809		}
1810
1811		outName = buf;
1812		outName[rc] = '\0';
1813		}
1814
1815	for (line = entry->lines; line; line = line->next) {	tmpOutName = alloca(strlen(outName) + 2);
1816	log_message(f, "DBG: %s", line->indent);	sprintf(tmpOutName, "%s-", outName);
1817	for (i = 0; i < line->numElements; i++) {	out = fopen(tmpOutName, "w");
1818	/* Need to handle this, because we strip the quotes from	if (!out) {
1819	* menuentry when read it. */	fprintf(stderr, _("grubby: error creating %s: %s\n"),
1820	if (line->type == LT_MENUENTRY && i == 1) {	tmpOutName, strerror(errno));
1821	if(!isquote(*line->elements[i].item))	return 1;
1822	log_message(f, "\'%s\'", line->elements[i].item);	}
1823	else
1824	log_message(f, "%s", line->elements[i].item);	if (!stat(outName, &sb)) {
1825	log_message(f, "%s", line->elements[i].indent);	if (chmod(tmpOutName, sb.st_mode & ~(S_IFMT))) {
1826		fprintf(stderr,
1827	continue;	_
1828	}	("grubby: error setting perms on %s: %s\n"),
1829		tmpOutName, strerror(errno));
1830	log_message(f, "%s%s",	fclose(out);
1831	line->elements[i].item, line->elements[i].indent);	unlink(tmpOutName);
1832		return 1;
1833		}
1834		}
1835	}	}
1836	log_message(f, "\n");
1837	}	line = cfg->theLines;
1838		struct keywordTypes *defaultKw = getKeywordByType(LT_DEFAULT, cfg->cfi);
1839		while (line) {
1840		if (line->type == LT_SET_VARIABLE && defaultKw &&
1841		line->numElements == 3 &&
1842		!strcmp(line->elements[1].item, defaultKw->key) &&
1843		!is_special_grub2_variable(line->elements[2].item)) {
1844		writeDefault(out, line->indent,
1845		line->elements[0].indent, cfg);
1846		needs &= ~MAIN_DEFAULT;
1847		} else if (line->type == LT_DEFAULT) {
1848		writeDefault(out, line->indent,
1849		line->elements[0].indent, cfg);
1850		needs &= ~MAIN_DEFAULT;
1851		} else if (line->type == LT_FALLBACK) {
1852		if (cfg->fallbackImage > -1)
1853		fprintf(out, "%s%s%s%d\n", line->indent,
1854		line->elements[0].item,
1855		line->elements[0].indent,
1856		cfg->fallbackImage);
1857		} else {
1858		if (lineWrite(out, line, cfg->cfi) == -1) {
1859		fprintf(stderr,
1860		_("grubby: error writing %s: %s\n"),
1861		tmpOutName, strerror(errno));
1862		fclose(out);
1863		unlink(tmpOutName);
1864		return 1;
1865		}
1866		}
1867
1868		line = line->next;
1869		}
1870
1871		if (needs & MAIN_DEFAULT) {
1872		writeDefault(out, cfg->primaryIndent, "=", cfg);
1873		needs &= ~MAIN_DEFAULT;
1874		}
1875
1876		i = 0;
1877		while ((entry = findEntryByIndex(cfg, i++))) {
1878		if (entry->skip)
1879		continue;
1880
1881		line = entry->lines;
1882		while (line) {
1883		if (lineWrite(out, line, cfg->cfi) == -1) {
1884		fprintf(stderr,
1885		_("grubby: error writing %s: %s\n"),
1886		tmpOutName, strerror(errno));
1887		fclose(out);
1888		unlink(tmpOutName);
1889		return 1;
1890		}
1891		line = line->next;
1892		}
1893		}
1894
1895		if (tmpOutName) {
1896		if (rename(tmpOutName, outName)) {
1897		fprintf(stderr,
1898		_("grubby: error moving %s to %s: %s\n"),
1899		tmpOutName, outName, strerror(errno));
1900		unlink(outName);
1901		return 1;
1902		}
1903		}
1904
1905		return 0;
1906	}	}
1907
1908	void notSuitablePrintf(struct singleEntry * entry, int okay, const char *fmt, ...)	static int numEntries(struct grubConfig *cfg)
1909	{	{
1910	static int once;	int i = 0;
1911	va_list argp, argq;	struct singleEntry *entry;
1912
1913	va_start(argp, fmt);	entry = cfg->entries;
1914		while (entry) {
1915		if (!entry->skip)
1916		i++;
1917		entry = entry->next;
1918		}
1919		return i;
1920		}
1921
1922	va_copy(argq, argp);	static char *findDiskForRoot()
1923	if (!once) {	{
1924	log_time(NULL);	int fd;
1925	log_message(NULL, "command line: %s\n", saved_command_line);	char buf[65536];
1926	}	char *devname;
1927	log_message(NULL, "DBG: Image entry %s: ", okay ? "succeeded" : "failed");	char *chptr;
1928	log_vmessage(NULL, fmt, argq);	int rc;
1929
1930	printEntry(entry, NULL);	if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) {
1931	va_end(argq);	fprintf(stderr, "grubby: failed to open %s: %s\n",
1932		_PATH_MOUNTED, strerror(errno));
1933		return NULL;
1934		}
1935
1936		rc = read(fd, buf, sizeof(buf) - 1);
1937		if (rc <= 0) {
1938		fprintf(stderr, "grubby: failed to read %s: %s\n",
1939		_PATH_MOUNTED, strerror(errno));
1940		close(fd);
1941		return NULL;
1942		}
1943		close(fd);
1944		buf[rc] = '\0';
1945		chptr = buf;
1946
1947	if (!debug) {	char *foundanswer = NULL;
	once = 1;
	va_end(argp);
	return;
	}
1948
1949	if (okay) {	while (chptr && chptr != buf + rc) {
1950	va_end(argp);	devname = chptr;
1951	return;
1952	}	/*
1953		* The first column of a mtab entry is the device, but if the
1954		* entry is a special device it won't start with /, so move
1955		* on to the next line.
1956		*/
1957		if (*devname != '/') {
1958		chptr = strchr(chptr, '\n');
1959		if (chptr)
1960		chptr++;
1961		continue;
1962		}
1963
1964		/* Seek to the next space */
1965		chptr = strchr(chptr, ' ');
1966		if (!chptr) {
1967		fprintf(stderr, "grubby: error parsing %s: %s\n",
1968		_PATH_MOUNTED, strerror(errno));
1969		return NULL;
1970		}
1971
1972		/*
1973		* The second column of a mtab entry is the mount point, we
1974		* are looking for '/' obviously.
1975		*/
1976		if (*(++chptr) == '/' && *(++chptr) == ' ') {
1977		/* remember the last / entry in mtab */
1978		foundanswer = devname;
1979		}
1980
1981		/* Next line */
1982		chptr = strchr(chptr, '\n');
1983		if (chptr)
1984		chptr++;
1985		}
1986
1987		/* Return the last / entry found */
1988		if (foundanswer) {
1989		chptr = strchr(foundanswer, ' ');
1990		*chptr = '\0';
1991		return strdup(foundanswer);
1992		}
1993
1994		return NULL;
1995		}
1996
1997		void printEntry(struct singleEntry *entry, FILE * f)
1998		{
1999		int i;
2000		struct singleLine *line;
2001
2002		for (line = entry->lines; line; line = line->next) {
2003		log_message(f, "DBG: %s", line->indent);
2004		for (i = 0; i < line->numElements; i++) {
2005		/* Need to handle this, because we strip the quotes from
2006		* menuentry when read it. */
2007		if (line->type == LT_MENUENTRY && i == 1) {
2008		if (!isquote(*line->elements[i].item))
2009		log_message(f, "\'%s\'",
2010		line->elements[i].item);
2011		else
2012		log_message(f, "%s",
2013		line->elements[i].item);
2014		log_message(f, "%s", line->elements[i].indent);
2015
2016		continue;
2017		}
2018
2019		log_message(f, "%s%s",
2020		line->elements[i].item,
2021		line->elements[i].indent);
2022		}
2023		log_message(f, "\n");
2024		}
2025		}
2026
2027		void notSuitablePrintf(struct singleEntry *entry, int okay, const char *fmt,
2028		...)
2029		{
2030		static int once;
2031		va_list argp, argq;
2032
2033		va_start(argp, fmt);
2034
2035	if (!once)	va_copy(argq, argp);
2036	log_message(stderr, "DBG: command line: %s\n", saved_command_line);	if (!once) {
2037	once = 1;	log_time(NULL);
2038	fprintf(stderr, "DBG: Image entry failed: ");	log_message(NULL, "command line: %s\n", saved_command_line);
2039	vfprintf(stderr, fmt, argp);	}
2040	printEntry(entry, stderr);	log_message(NULL, "DBG: Image entry %s: ",
2041	va_end(argp);	okay ? "succeeded" : "failed");
2042		log_vmessage(NULL, fmt, argq);
2043
2044		printEntry(entry, NULL);
2045		va_end(argq);
2046
2047		if (!debug) {
2048		once = 1;
2049		va_end(argp);
2050		return;
2051		}
2052
2053		if (okay) {
2054		va_end(argp);
2055		return;
2056		}
2057
2058		if (!once)
2059		log_message(stderr, "DBG: command line: %s\n",
2060		saved_command_line);
2061		once = 1;
2062		fprintf(stderr, "DBG: Image entry failed: ");
2063		vfprintf(stderr, fmt, argp);
2064		printEntry(entry, stderr);
2065		va_end(argp);
2066	}	}
2067
2068	#define beginswith(s, c) ((s) && (s)[0] == (c))	#define beginswith(s, c) ((s) && (s)[0] == (c))
#	Line 1823  static int endswith(const char *s, char	Line 2078  static int endswith(const char *s, char
2078	return s[slen] == c;	return s[slen] == c;
2079	}	}
2080
2081	int suitableImage(struct singleEntry * entry, const char * bootPrefix,	int suitableImage(struct singleEntry *entry, const char *bootPrefix,
2082	int skipRemoved, int flags) {	int skipRemoved, int flags)
2083	struct singleLine * line;	{
2084	char * fullName;	struct singleLine *line;
2085	int i;	char *fullName;
2086	char * dev;	int i;
2087	char * rootspec;	char *dev;
2088	char * rootdev;	char *rootspec;
2089		char *rootdev;
	if (skipRemoved && entry->skip) {
	notSuitablePrintf(entry, 0, "marked to skip\n");
	return 0;
	}
2090
2091	line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);	if (skipRemoved && entry->skip) {
2092	if (!line) {	notSuitablePrintf(entry, 0, "marked to skip\n");
2093	notSuitablePrintf(entry, 0, "no line found\n");	return 0;
2094	return 0;	}
	}
	if (line->numElements < 2) {
	notSuitablePrintf(entry, 0, "line has only %d elements\n",
	line->numElements);
	return 0;
	}
2095
2096	if (flags & GRUBBY_BADIMAGE_OKAY) {	line =
2097	notSuitablePrintf(entry, 1, "\n");	getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI | LT_KERNEL_16,
2098	return 1;	entry->lines);
2099	}	if (!line) {
2100		notSuitablePrintf(entry, 0, "no line found\n");
2101		return 0;
2102		}
2103		if (line->numElements < 2) {
2104		notSuitablePrintf(entry, 0, "line has only %d elements\n",
2105		line->numElements);
2106		return 0;
2107		}
2108
2109	fullName = alloca(strlen(bootPrefix) +	if (flags & GRUBBY_BADIMAGE_OKAY) {
2110	strlen(line->elements[1].item) + 1);	notSuitablePrintf(entry, 1, "\n");
2111	rootspec = getRootSpecifier(line->elements[1].item);	return 1;
2112	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);
2113
2114	if (line && line->numElements >= 2) {	fullName = alloca(strlen(bootPrefix) +
2115	dev = line->elements[1].item;	strlen(line->elements[1].item) + 1);
2116		rootspec = getRootSpecifier(line->elements[1].item);
2117		int rootspec_offset = rootspec ? strlen(rootspec) : 0;
2118		int hasslash = endswith(bootPrefix, '/') ||
2119		beginswith(line->elements[1].item + rootspec_offset, '/');
2120		sprintf(fullName, "%s%s%s", bootPrefix, hasslash ? "" : "/",
2121		line->elements[1].item + rootspec_offset);
2122		if (access(fullName, R_OK)) {
2123		notSuitablePrintf(entry, 0, "access to %s failed\n", fullName);
2124		return 0;
2125		}
2126		for (i = 2; i < line->numElements; i++)
2127		if (!strncasecmp(line->elements[i].item, "root=", 5))
2128		break;
2129		if (i < line->numElements) {
2130		dev = line->elements[i].item + 5;
2131	} else {	} else {
2132	/* didn't succeed in finding a LT_ROOT, let's try LT_KERNELARGS.	/* look for a lilo style LT_ROOT line */
2133	* 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);
2134
2135	/* failed to find one */	if (line && line->numElements >= 2) {
2136	if (!line) {	dev = line->elements[1].item;
2137	notSuitablePrintf(entry, 0, "no line found\n");	} else {
2138	return 0;	/* didn't succeed in finding a LT_ROOT, let's try
2139	}	* LT_KERNELARGS.  grub+multiboot uses LT_MBMODULE
2140		* for the args, so check that too.
2141		*/
2142		line =
2143		getLineByType(LT_KERNELARGS | LT_MBMODULE,
2144		entry->lines);
2145
2146		/* failed to find one */
2147		if (!line) {
2148		notSuitablePrintf(entry, 0, "no line found\n");
2149		return 0;
2150		}
2151
2152	for (i = 1; i < line->numElements; i++)	for (i = 1; i < line->numElements; i++)
2153	if (!strncasecmp(line->elements[i].item, "root=", 5)) break;	if (!strncasecmp
2154	if (i < line->numElements)	(line->elements[i].item, "root=", 5))
2155	dev = line->elements[i].item + 5;	break;
2156	else {	if (i < line->numElements)
2157	notSuitablePrintf(entry, 0, "no root= entry found\n");	dev = line->elements[i].item + 5;
2158	/* it failed too...  can't find root= */	else {
2159	return 0;	notSuitablePrintf(entry, 0,
2160	}	"no root= entry found\n");
2161		/* it failed too...  can't find root= */
2162		return 0;
2163		}
2164		}
2165	}	}
	}
2166
	dev = getpathbyspec(dev);
	if (!getpathbyspec(dev)) {
	notSuitablePrintf(entry, 0, "can't find blkid entry for %s\n", dev);
	return 0;
	} else
2167	dev = getpathbyspec(dev);	dev = getpathbyspec(dev);
2168		if (!getpathbyspec(dev)) {
2169		notSuitablePrintf(entry, 0, "can't find blkid entry for %s\n",
2170		dev);
2171		return 0;
2172		} else
2173		dev = getpathbyspec(dev);
2174
2175	rootdev = findDiskForRoot();	rootdev = findDiskForRoot();
2176	if (!rootdev) {	if (!rootdev) {
2177	notSuitablePrintf(entry, 0, "can't find root device\n");	notSuitablePrintf(entry, 0, "can't find root device\n");
2178	return 0;	return 0;
2179	}	}
2180
2181	if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) {	if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) {
2182	notSuitablePrintf(entry, 0, "uuid missing: rootdev %s, dev %s\n",	notSuitablePrintf(entry, 0,
2183	getuuidbydev(rootdev), getuuidbydev(dev));	"uuid missing: rootdev %s, dev %s\n",
2184	free(rootdev);	getuuidbydev(rootdev), getuuidbydev(dev));
2185	return 0;	free(rootdev);
2186	}	return 0;
2187		}
2188
2189	if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) {	if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) {
2190	notSuitablePrintf(entry, 0, "uuid mismatch: rootdev %s, dev %s\n",	notSuitablePrintf(entry, 0,
2191	getuuidbydev(rootdev), getuuidbydev(dev));	"uuid mismatch: rootdev %s, dev %s\n",
2192	free(rootdev);	getuuidbydev(rootdev), getuuidbydev(dev));
2193	return 0;	free(rootdev);
2194	}	return 0;
2195		}
2196
2197	free(rootdev);	free(rootdev);
2198	notSuitablePrintf(entry, 1, "\n");	notSuitablePrintf(entry, 1, "\n");
2199
2200	return 1;	return 1;
2201	}	}
2202
2203	/* 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
2204	is not NULL) which is not marked as skip */	is not NULL) which is not marked as skip */
2205	struct singleEntry * findEntryByPath(struct grubConfig * config,	struct singleEntry *findEntryByPath(struct grubConfig *config,
2206	const char * kernel, const char * prefix,	const char *kernel, const char *prefix,
2207	int * index) {	int *index)
2208	struct singleEntry * entry = NULL;	{
2209	struct singleLine * line;	struct singleEntry *entry = NULL;
2210	int i;	struct singleLine *line;
2211	char * chptr;	int i;
2212	char * rootspec = NULL;	char *chptr;
2213	enum lineType_e checkType = LT_KERNEL;	char *rootspec = NULL;
2214		enum lineType_e checkType = LT_KERNEL;
2215
2216		if (isdigit(*kernel)) {
2217		int *indexVars = alloca(sizeof(*indexVars) * strlen(kernel));
2218
2219		i = 0;
2220		indexVars[i] = strtol(kernel, &chptr, 10);
2221		while (*chptr == ',') {
2222		i++;
2223		kernel = chptr + 1;
2224		indexVars[i] = strtol(kernel, &chptr, 10);
2225		}
2226
2227	if (isdigit(*kernel)) {	if (*chptr) {
2228	int * indexVars = alloca(sizeof(*indexVars) * strlen(kernel));	/* can't parse it, bail */
2229		return NULL;
2230		}
2231
2232	i = 0;	indexVars[i + 1] = -1;
	indexVars[i] = strtol(kernel, &chptr, 10);
	while (*chptr == ',') {
	i++;
	kernel = chptr + 1;
	indexVars[i] = strtol(kernel, &chptr, 10);
	}
2233
2234	if (*chptr) {	i = 0;
2235	/* can't parse it, bail */	if (index) {
2236	return NULL;	while (i < *index) {
2237	}	i++;
2238		if (indexVars[i] == -1)
2239		return NULL;
2240		}
2241		}
2242
2243	indexVars[i + 1] = -1;	entry = findEntryByIndex(config, indexVars[i]);
2244		if (!entry)
2245		return NULL;
2246
2247		line =
2248		getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI |
2249		LT_KERNEL_16, entry->lines);
2250		if (!line)
2251		return NULL;
2252
2253	i = 0;	if (index)
2254	if (index) {	*index = indexVars[i];
2255	while (i < *index) {	return entry;
	i++;
	if (indexVars[i] == -1) return NULL;
	}
2256	}	}
2257
2258	entry = findEntryByIndex(config, indexVars[i]);	if (!strcmp(kernel, "DEFAULT")) {
2259	if (!entry) return NULL;	if (index && *index > config->defaultImage) {
2260		entry = NULL;
2261		} else {
2262		entry = findEntryByIndex(config, config->defaultImage);
2263		if (entry && entry->skip)
2264		entry = NULL;
2265		else if (index)
2266		*index = config->defaultImage;
2267		}
2268		} else if (!strcmp(kernel, "ALL")) {
2269		if (index)
2270		i = *index;
2271		else
2272		i = 0;
2273
2274	line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);	while ((entry = findEntryByIndex(config, i))) {
2275	if (!line) return NULL;	if (!entry->skip)
2276		break;
2277		i++;
2278		}
2279
2280	if (index) *index = indexVars[i];	if (entry && index)
2281	return entry;	*index = i;
	}
	if (!strcmp(kernel, "DEFAULT")) {
	if (index && *index > config->defaultImage) {
	entry = NULL;
2282	} else {	} else {
2283	entry = findEntryByIndex(config, config->defaultImage);	if (index)
2284	if (entry && entry->skip)	i = *index;
2285	entry = NULL;	else
2286	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++;
	}
2287
2288	if (entry && index)	if (!strncmp(kernel, "TITLE=", 6)) {
2289	*index = i;	prefix = "";
2290	} else {	checkType = LT_TITLE | LT_MENUENTRY;
2291	if (index)	kernel += 6;
2292	i = *index;	}
	else
	i = 0;
2293
2294	if (!strncmp(kernel, "TITLE=", 6)) {	for (entry = findEntryByIndex(config, i); entry;
2295	prefix = "";	entry = entry->next, i++) {
2296	checkType = LT_TITLE|LT_MENUENTRY;	if (entry->skip)
2297	kernel += 6;	continue;
2298	}
2299		dbgPrintf("findEntryByPath looking for %d %s in %p\n",
2300	for (entry = findEntryByIndex(config, i); entry; entry = entry->next, i++) {	checkType, kernel, entry);
2301	if (entry->skip) continue;
2302		/* check all the lines matching checkType */
2303	dbgPrintf("findEntryByPath looking for %d %s in %p\n", checkType, kernel, entry);	for (line = entry->lines; line; line = line->next) {
2304		enum lineType_e ct = checkType;
2305	/* check all the lines matching checkType */	if (entry->multiboot && checkType == LT_KERNEL)
2306	for (line = entry->lines; line; line = line->next) {	ct = LT_KERNEL | LT_KERNEL_EFI |
2307	enum lineType_e ct = checkType;	LT_MBMODULE | LT_HYPER |
2308	if (entry->multiboot && checkType == LT_KERNEL)	LT_KERNEL_16;
2309	ct = LT_KERNEL|LT_KERNEL_EFI|LT_MBMODULE|LT_HYPER|LT_KERNEL_16;	else if (checkType & LT_KERNEL)
2310	else if (checkType & LT_KERNEL)	ct = checkType | LT_KERNEL_EFI |
2311	ct = checkType | LT_KERNEL_EFI | LT_KERNEL_16;	LT_KERNEL_16;
2312	line = getLineByType(ct, line);	line = getLineByType(ct, line);
2313	if (!line)	if (!line)
2314	break;  /* not found in this entry */	break; /* not found in this entry */
2315
2316		if (line && line->type != LT_MENUENTRY &&
2317		line->numElements >= 2) {
2318		rootspec =
2319		getRootSpecifier(line->elements[1].
2320		item);
2321		if (!strcmp
2322		(line->elements[1].item +
2323		((rootspec !=
2324		NULL) ? strlen(rootspec) : 0),
2325		kernel + strlen(prefix)))
2326		break;
2327		}
2328		if (line->type == LT_MENUENTRY &&
2329		!strcmp(line->elements[1].item, kernel))
2330		break;
2331		}
2332
2333	if (line && line->type != LT_MENUENTRY &&	/* make sure this entry has a kernel identifier; this skips
2334	line->numElements >= 2) {	* non-Linux boot entries (could find netbsd etc, though, which is
2335	rootspec = getRootSpecifier(line->elements[1].item);	* unfortunate)
2336	if (!strcmp(line->elements[1].item +	*/
2337	((rootspec != NULL) ? strlen(rootspec) : 0),	if (line
2338	kernel + strlen(prefix)))	&& getLineByType(LT_KERNEL | LT_HYPER |
2339	break;	LT_KERNEL_EFI | LT_KERNEL_16,
2340		entry->lines))
2341		break; /* found 'im! */
2342	}	}
	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! */
	}
2343
2344	if (index) *index = i;	if (index)
2345	}	*index = i;
2346		}
2347
2348	return entry;	return entry;
2349	}	}
2350
2351	struct singleEntry * findEntryByTitle(struct grubConfig * cfg, char *title,	struct singleEntry *findEntryByTitle(struct grubConfig *cfg, char *title,
2352	int * index) {	int *index)
2353	struct singleEntry * entry;	{
2354	struct singleLine * line;	struct singleEntry *entry;
2355	int i;	struct singleLine *line;
2356	char * newtitle;	int i;
2357		char *newtitle;
2358	for (i = 0, entry = cfg->entries; entry; entry = entry->next, i++) {
2359	if (index && i < *index)	for (i = 0, entry = cfg->entries; entry; entry = entry->next, i++) {
2360	continue;	if (index && i < *index)
2361	line = getLineByType(LT_TITLE, entry->lines);	continue;
2362	if (!line)	line = getLineByType(LT_TITLE, entry->lines);
2363	line = getLineByType(LT_MENUENTRY, entry->lines);	if (!line)
2364	if (!line)	line = getLineByType(LT_MENUENTRY, entry->lines);
2365	continue;	if (!line)
2366	newtitle = grub2ExtractTitle(line);	continue;
2367	if (!newtitle)	newtitle = grub2ExtractTitle(line);
2368	continue;	if (!newtitle)
2369	if (!strcmp(title, newtitle))	continue;
2370	break;	if (!strcmp(title, newtitle))
2371	}	break;
2372		}
2373
2374	if (!entry)	if (!entry)
2375	return NULL;	return NULL;
2376
2377	if (index)	if (index)
2378	*index = i;	*index = i;
2379	return entry;	return entry;
2380	}	}
2381
2382	struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index) {	struct singleEntry *findEntryByIndex(struct grubConfig *cfg, int index)
2383	struct singleEntry * entry;	{
2384		struct singleEntry *entry;
2385	entry = cfg->entries;
2386	while (index && entry) {	entry = cfg->entries;
2387	entry = entry->next;	while (index && entry) {
2388	index--;	entry = entry->next;
2389	}	index--;
2390		}
2391
2392	return entry;	return entry;
2393	}	}
2394
2395	/* 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 2105  struct singleEntry * findEntryByIndex(st	Line 2397  struct singleEntry * findEntryByIndex(st
2397	* is going to be removed). Try and use the default entry, but	* is going to be removed). Try and use the default entry, but
2398	* 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,
2399	* bail. */	* bail. */
2400	struct singleEntry * findTemplate(struct grubConfig * cfg, const char * prefix,	struct singleEntry *findTemplate(struct grubConfig *cfg, const char *prefix,
2401	int * indexPtr, int skipRemoved, int flags) {	int *indexPtr, int skipRemoved, int flags)
2402	struct singleEntry * entry, * entry2;	{
2403	int index;	struct singleEntry *entry, *entry2;
2404		int index;
2405	if (cfg->cfi->defaultIsSaved) {
2406	if (cfg->cfi->getEnv) {	if (cfg->cfi->defaultIsSaved) {
2407	char *defTitle = cfg->cfi->getEnv(cfg->cfi, "saved_entry");	if (cfg->cfi->getEnv) {
2408	if (defTitle) {	char *defTitle =
2409	int index = 0;	cfg->cfi->getEnv(cfg->cfi, "saved_entry");
2410	if (isnumber(defTitle)) {	if (defTitle) {
2411	index = atoi(defTitle);	int index = 0;
2412	entry = findEntryByIndex(cfg, index);	if (isnumber(defTitle)) {
2413	} else {	index = atoi(defTitle);
2414	entry = findEntryByTitle(cfg, defTitle, &index);	entry = findEntryByIndex(cfg, index);
2415		} else {
2416		entry =
2417		findEntryByTitle(cfg, defTitle,
2418		&index);
2419		}
2420		if (entry
2421		&& suitableImage(entry, prefix, skipRemoved,
2422		flags)) {
2423		cfg->defaultImage = index;
2424		if (indexPtr)
2425		*indexPtr = index;
2426		return entry;
2427		}
2428		}
2429	}	}
2430		} else if (cfg->defaultImage >= FIRST_ENTRY_INDEX) {
2431		entry = findEntryByIndex(cfg, cfg->defaultImage);
2432	if (entry && suitableImage(entry, prefix, skipRemoved, flags)) {	if (entry && suitableImage(entry, prefix, skipRemoved, flags)) {
2433	cfg->defaultImage = index;	if (indexPtr)
2434	if (indexPtr)	*indexPtr = cfg->defaultImage;
2435	*indexPtr = index;	return entry;
2436	return entry;	}
	}
	}
	}
	} else if (cfg->defaultImage > -1) {
	entry = findEntryByIndex(cfg, cfg->defaultImage);
	if (entry && suitableImage(entry, prefix, skipRemoved, flags)) {
	if (indexPtr) *indexPtr = cfg->defaultImage;
	return entry;
2437	}	}
	}
2438
2439	index = 0;	index = 0;
2440	while ((entry = findEntryByIndex(cfg, index))) {	while ((entry = findEntryByIndex(cfg, index))) {
2441	if (suitableImage(entry, prefix, skipRemoved, flags)) {	if (suitableImage(entry, prefix, skipRemoved, flags)) {
2442	int j;	int j;
2443	for (j = 0; j < index; j++) {	for (j = 0; j < index; j++) {
2444	entry2 = findEntryByIndex(cfg, j);	entry2 = findEntryByIndex(cfg, j);
2445	if (entry2->skip) index--;	if (entry2->skip)
2446	}	index--;
2447	if (indexPtr) *indexPtr = index;	}
2448		if (indexPtr)
2449		*indexPtr = index;
2450
2451	return entry;	return entry;
2452	}	}
2453
2454	index++;	index++;
2455	}	}
2456
2457	fprintf(stderr, _("grubby fatal error: unable to find a suitable template\n"));	fprintf(stderr,
2458		_("grubby fatal error: unable to find a suitable template\n"));
2459
2460	return NULL;	return NULL;
2461	}	}
2462
2463	char * findBootPrefix(void) {	char *findBootPrefix(void)
2464	struct stat sb, sb2;	{
2465		struct stat sb, sb2;
2466
2467	stat("/", &sb);	stat("/", &sb);
2468	#ifdef __ia64__	#ifdef __ia64__
2469	stat("/boot/efi/EFI/redhat/", &sb2);	stat("/boot/efi/EFI/redhat/", &sb2);
2470	#else	#else
2471	stat("/boot", &sb2);	stat("/boot", &sb2);
2472	#endif	#endif
2473
2474	if (sb.st_dev == sb2.st_dev)	if (sb.st_dev == sb2.st_dev)
2475	return strdup("");	return strdup("");
2476
2477	#ifdef __ia64__	#ifdef __ia64__
2478	return strdup("/boot/efi/EFI/redhat/");	return strdup("/boot/efi/EFI/redhat/");
2479	#else	#else
2480	return strdup("/boot");	return strdup("/boot");
2481	#endif	#endif
2482	}	}
2483
2484	void markRemovedImage(struct grubConfig * cfg, const char * image,	void markRemovedImage(struct grubConfig *cfg, const char *image,
2485	const char * prefix) {	const char *prefix)
2486	struct singleEntry * entry;	{
2487		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;
	}
2488
2489	while ((entry = findEntryByPath(cfg, image, prefix, NULL)))	if (!image)
2490	entry->skip = 1;	return;
	}
2491
2492	void setDefaultImage(struct grubConfig * config, int hasNew,	/* check and see if we're removing the default image */
2493	const char * defaultKernelPath, int newIsDefault,	if (isdigit(*image)) {
2494	const char * prefix, int flags, int index) {	entry = findEntryByPath(cfg, image, prefix, NULL);
2495	struct singleEntry * entry, * entry2, * newDefault;	if (entry)
2496	int i, j;	entry->skip = 1;
2497		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;
2498	}	}
	}
	/* defaultImage now points to what we'd like to use, but before any order
	changes */
	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;
2499
2500	if (entry && !entry->skip) {	while ((entry = findEntryByPath(cfg, image, prefix, NULL)))
2501	/* we can preserve the default */	entry->skip = 1;
	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;
	}
2502	}	}
2503
2504	void setFallbackImage(struct grubConfig * config, int hasNew) {	void setDefaultImage(struct grubConfig *config, int isUserSpecifiedKernelPath,
2505	struct singleEntry * entry, * entry2;	const char *defaultKernelPath, int newBootEntryIsDefault,
2506	int j;	const char *prefix, int flags, int newDefaultBootEntryIndex)
2507		{
2508	if (config->fallbackImage == -1) return;	struct singleEntry *entry, *entry2, *newDefault;
2509		int i, j;
	entry = findEntryByIndex(config, config->fallbackImage);
	if (!entry || entry->skip) {
	config->fallbackImage = -1;
	return;
	}
2510
2511	if (hasNew)	if (newBootEntryIsDefault) {
2512	config->fallbackImage++;	config->defaultImage = FIRST_ENTRY_INDEX;
2513		return;
2514	/* count the number of entries erased before this one */	} else if ((newDefaultBootEntryIndex >= 0) && config->cfi->defaultIsIndex) {
2515	for (j = 0; j < config->fallbackImage; j++) {	if (findEntryByIndex(config, newDefaultBootEntryIndex))
2516	entry2 = findEntryByIndex(config, j);	config->defaultImage = newDefaultBootEntryIndex;
2517	if (entry2->skip) config->fallbackImage--;	else
2518	}	config->defaultImage = NO_DEFAULT_ENTRY;
2519	}	return;
2520		} else if (defaultKernelPath) {
2521		i = 0;
2522		if (findEntryByPath(config, defaultKernelPath, prefix, &i)) {
2523		config->defaultImage = i;
2524		} else {
2525		config->defaultImage = NO_DEFAULT_ENTRY;
2526		return;
2527		}
2528		}
2529
2530	void displayEntry(struct singleEntry * entry, const char * prefix, int index) {	/* defaultImage now points to what we'd like to use, but before any
2531	struct singleLine * line;	* order changes */
2532	char * root = NULL;	if ((config->defaultImage == DEFAULT_SAVED) ||
2533	int i;	(config->defaultImage == DEFAULT_SAVED_GRUB2))
2534	int j;	/* default is set to saved, we don't want to change it */
2535		return;
	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;
	}
2536
2537	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))	if (config->defaultImage >= FIRST_ENTRY_INDEX)
2538	printf("kernel=%s\n", line->elements[1].item);	entry = findEntryByIndex(config, config->defaultImage);
2539	else	else
2540	printf("kernel=%s%s\n", prefix, line->elements[1].item);	entry = NULL;
	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);
	}
2541
2542	i++;	if (entry && !entry->skip) {
2543		/* we can preserve the default */
2544		if (isUserSpecifiedKernelPath)
2545		config->defaultImage++;
2546
2547		/* count the number of entries erased before this one */
2548		for (j = 0; j < config->defaultImage; j++) {
2549		entry2 = findEntryByIndex(config, j);
2550		if (entry2->skip)
2551		config->defaultImage--;
2552		}
2553		} else if (isUserSpecifiedKernelPath) {
2554		config->defaultImage = FIRST_ENTRY_INDEX;
2555		} else {
2556		/* Either we just erased the default (or the default line was
2557		* bad to begin with) and didn't put a new one in. We'll use
2558		* the first valid image. */
2559		newDefault =
2560		findTemplate(config, prefix, &config->defaultImage, 1,
2561		flags);
2562		if (!newDefault)
2563		config->defaultImage = NO_DEFAULT_ENTRY;
2564	}	}
2565	printf("\"\n");	}
	} else {
	line = getLineByType(LT_KERNELARGS, entry->lines);
	if (line) {
	char * s;
2566
2567	printf("args=\"");	void setFallbackImage(struct grubConfig *config, int hasNew)
2568	i = 1;	{
2569	while (i < line->numElements) {	struct singleEntry *entry, *entry2;
2570	if (!strncmp(line->elements[i].item, "root=", 5)) {	int j;
	root = line->elements[i].item + 5;
	} else {
	s = line->elements[i].item;
2571
2572	printf("%s%s", s, line->elements[i].indent);	if (config->fallbackImage == -1)
2573	}	return;
2574
2575	i++;	entry = findEntryByIndex(config, config->fallbackImage);
2576	}	if (!entry || entry->skip) {
2577		config->fallbackImage = -1;
2578		return;
2579		}
2580
2581		if (hasNew)
2582		config->fallbackImage++;
2583
2584	s = line->elements[i - 1].indent;	/* count the number of entries erased before this one */
2585	printf("\"\n");	for (j = 0; j < config->fallbackImage; j++) {
2586		entry2 = findEntryByIndex(config, j);
2587		if (entry2->skip)
2588		config->fallbackImage--;
2589	}	}
2590	}	}
2591
2592	if (!root) {	void displayEntry(struct singleEntry *entry, const char *prefix, int index)
2593	line = getLineByType(LT_ROOT, entry->lines);	{
2594	if (line && line->numElements >= 2)	struct singleLine *line;
2595	root=line->elements[1].item;	char *root = NULL;
2596	}	int i;
2597		int j;
2598
2599	if (root) {	printf("index=%d\n", index);
	char * s = alloca(strlen(root) + 1);
	strcpy(s, root);
	if (s[strlen(s) - 1] == '"')
	s[strlen(s) - 1] = '\0';
	/* make sure the root doesn't have a trailing " */
	printf("root=%s\n", s);
	}
2600
2601	line = getLineByType(LT_INITRD|LT_INITRD_EFI|LT_INITRD_16, entry->lines);	line =
2602		getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI | LT_KERNEL_16,
2603		entry->lines);
2604		if (!line) {
2605		printf("non linux entry\n");
2606		return;
2607		}
2608
	if (line && line->numElements >= 2) {
2609	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))
2610	printf("initrd=");	printf("kernel=%s\n", line->elements[1].item);
2611	else	else
2612	printf("initrd=%s", prefix);	printf("kernel=%s%s\n", prefix, line->elements[1].item);
2613
2614	for (i = 1; i < line->numElements; i++)	if (line->numElements >= 3) {
2615	printf("%s%s", line->elements[i].item, line->elements[i].indent);	printf("args=\"");
2616	printf("\n");	i = 2;
2617	}	while (i < line->numElements) {
2618		if (!strncmp(line->elements[i].item, "root=", 5)) {
2619		root = line->elements[i].item + 5;
2620		} else {
2621		printf("%s%s", line->elements[i].item,
2622		line->elements[i].indent);
2623		}
2624
2625	line = getLineByType(LT_TITLE, entry->lines);	i++;
2626	if (line) {	}
2627	printf("title=%s\n", line->elements[1].item);	printf("\"\n");
2628	} else {	} else {
2629	char * title;	line = getLineByType(LT_KERNELARGS, entry->lines);
2630	line = getLineByType(LT_MENUENTRY, entry->lines);	if (line) {
2631	if (line) {	char *s;
2632	title = grub2ExtractTitle(line);
2633	if (title)	printf("args=\"");
2634	printf("title=%s\n", title);	i = 1;
2635	}	while (i < line->numElements) {
2636	}	if (!strncmp
2637		(line->elements[i].item, "root=", 5)) {
2638		root = line->elements[i].item + 5;
2639		} else {
2640		s = line->elements[i].item;
2641
2642	for (j = 0, line = entry->lines; line; line = line->next) {	printf("%s%s", s,
2643	if ((line->type & LT_MBMODULE) && line->numElements >= 2) {	line->elements[i].indent);
2644	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))	}
	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++;
	}
	}
	}
2645
2646	int isSuseSystem(void) {	i++;
2647	const char * path;	}
	const static char default_path[] = "/etc/SuSE-release";
2648
2649	if ((path = getenv("GRUBBY_SUSE_RELEASE")) == NULL)	s = line->elements[i - 1].indent;
2650	path = default_path;	printf("\"\n");
2651		}
2652		}
2653
2654	if (!access(path, R_OK))	if (!root) {
2655	return 1;	line = getLineByType(LT_ROOT, entry->lines);
2656	return 0;	if (line && line->numElements >= 2)
2657	}	root = line->elements[1].item;
2658		}
2659
2660	int isSuseGrubConf(const char * path) {	if (root) {
2661	FILE * grubConf;	char *s = alloca(strlen(root) + 1);
	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;
	}
2662
2663	while ((res = getline(&line, &len, grubConf)) != -1) {	strcpy(s, root);
2664	if (!strncmp(line, "setup", 5)) {	if (s[strlen(s) - 1] == '"')
2665	fclose(grubConf);	s[strlen(s) - 1] = '\0';
2666	free(line);	/* make sure the root doesn't have a trailing " */
2667	return 1;	printf("root=%s\n", s);
2668	}	}
	}
2669
2670	dbgPrintf("SuSE configuration file '%s' does not appear to be valid\n",	line =
2671	path);	getLineByType(LT_INITRD | LT_INITRD_EFI | LT_INITRD_16,
2672		entry->lines);
2673
2674	fclose(grubConf);	if (line && line->numElements >= 2) {
2675	free(line);	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))
2676	return 0;	printf("initrd=");
2677	}	else
2678		printf("initrd=%s", prefix);
2679
2680	int suseGrubConfGetLba(const char * path, int * lbaPtr) {	for (i = 1; i < line->numElements; i++)
2681	FILE * grubConf;	printf("%s%s", line->elements[i].item,
2682	char * line = NULL;	line->elements[i].indent);
2683	size_t res = 0, len = 0;	printf("\n");
	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';
2684	}	}
2685
2686	if (!strncmp(line, "setup", 5)) {	line = getLineByType(LT_TITLE, entry->lines);
2687	if (strstr(line, "--force-lba")) {	if (line) {
2688	*lbaPtr = 1;	printf("title=%s\n", line->elements[1].item);
2689	} else {	} else {
2690	*lbaPtr = 0;	char *title;
2691	}	line = getLineByType(LT_MENUENTRY, entry->lines);
2692	dbgPrintf("lba: %i\n", *lbaPtr);	if (line) {
2693	break;	title = grub2ExtractTitle(line);
2694		if (title)
2695		printf("title=%s\n", title);
2696		}
2697	}	}
	}
	free(line);
	fclose(grubConf);
	return 0;
	}
2698
2699	int suseGrubConfGetInstallDevice(const char * path, char ** devicePtr) {	for (j = 0, line = entry->lines; line; line = line->next) {
2700	FILE * grubConf;	if ((line->type & LT_MBMODULE) && line->numElements >= 2) {
2701	char * line = NULL;	if (!strncmp
2702	size_t res = 0, len = 0;	(prefix, line->elements[1].item, strlen(prefix)))
2703	char * lastParamPtr = NULL;	printf("mbmodule%d=", j);
2704	char * secLastParamPtr = NULL;	else
2705	char installDeviceNumber = '\0';	printf("mbmodule%d=%s", j, prefix);
2706	char * bounds = NULL;
2707		for (i = 1; i < line->numElements; i++)
2708	if (!path) return 1;	printf("%s%s", line->elements[i].item,
2709	if (!devicePtr) return 1;	line->elements[i].indent);
2710		printf("\n");
2711	grubConf = fopen(path, "r");	j++;
2712	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';
2713	}	}
2714		}
2715
2716	lastParamPtr = bounds = line + res;	int isSuseSystem(void)
2717		{
2718		const char *path;
2719		const static char default_path[] = "/etc/SuSE-release";
2720
2721	/* Last parameter in grub may be an optional IMAGE_DEVICE */	if ((path = getenv("GRUBBY_SUSE_RELEASE")) == NULL)
2722	while (!isspace(*lastParamPtr))	path = default_path;
	lastParamPtr--;
	lastParamPtr++;
2723
2724	secLastParamPtr = lastParamPtr - 2;	if (!access(path, R_OK))
2725	dbgPrintf("lastParamPtr: %s\n", lastParamPtr);	return 1;
2726		return 0;
2727		}
2728
2729	if (lastParamPtr + 3 > bounds) {	int isSuseGrubConf(const char *path)
2730	dbgPrintf("lastParamPtr going over boundary");	{
2731	fclose(grubConf);	FILE *grubConf;
2732	free(line);	char *line = NULL;
2733	return 1;	size_t len = 0, res = 0;
2734
2735		grubConf = fopen(path, "r");
2736		if (!grubConf) {
2737		dbgPrintf("Could not open SuSE configuration file '%s'\n",
2738		path);
2739		return 0;
2740	}	}
	if (!strncmp(lastParamPtr, "(hd", 3))
	lastParamPtr += 3;
	dbgPrintf("lastParamPtr: %c\n", *lastParamPtr);
2741
2742	/*	while ((res = getline(&line, &len, grubConf)) != -1) {
2743	* Second last parameter will decide wether last parameter is	if (!strncmp(line, "setup", 5)) {
2744	* an IMAGE_DEVICE or INSTALL_DEVICE	fclose(grubConf);
2745	*/	free(line);
2746	while (!isspace(*secLastParamPtr))	return 1;
2747	secLastParamPtr--;	}
	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;
2748	}	}
2749
2750	*devicePtr = malloc(6);	dbgPrintf("SuSE configuration file '%s' does not appear to be valid\n",
2751	snprintf(*devicePtr, 6, "(hd%c)", installDeviceNumber);	path);
2752	dbgPrintf("installDeviceNumber: %c\n", installDeviceNumber);
2753	fclose(grubConf);	fclose(grubConf);
2754	free(line);	free(line);
2755	return 0;	return 0;
2756	}	}
	free(line);
	fclose(grubConf);
	return 1;
	}
	int grubGetBootFromDeviceMap(const char * device,
	char ** bootPtr) {
	FILE * deviceMap;
	char * line = NULL;
	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;
2757
2758	while ((res = getline(&line, &len, deviceMap)) != -1) {	int suseGrubConfGetLba(const char *path, int *lbaPtr)
2759	if (!strncmp(line, "#", 1))	{
2760	continue;	FILE *grubConf;
2761		char *line = NULL;
2762	if (line[res - 1] == '\n')	size_t res = 0, len = 0;
	line[res - 1] = '\0';
	else if (len > res)
	line[res] = '\0';
	else {
	line = realloc(line, res + 1);
	line[res] = '\0';
	}
2763
2764	devicePtr = line;	if (!path)
2765	bounds = line + res;	return 1;
2766		if (!lbaPtr)
2767		return 1;
2768
2769	while ((isspace(*line) && ((devicePtr + 1) <= bounds)))	grubConf = fopen(path, "r");
2770	devicePtr++;	if (!grubConf)
2771	dbgPrintf("device: %s\n", devicePtr);	return 1;
2772
2773	if (!strncmp(devicePtr, device, strlen(device))) {	while ((res = getline(&line, &len, grubConf)) != -1) {
2774	devicePtr += strlen(device);	if (line[res - 1] == '\n')
2775	while (isspace(*devicePtr) && ((devicePtr + 1) <= bounds))	line[res - 1] = '\0';
2776	devicePtr++;	else if (len > res)
2777		line[res] = '\0';
2778		else {
2779		line = realloc(line, res + 1);
2780		line[res] = '\0';
2781		}
2782
2783	*bootPtr = strdup(devicePtr);	if (!strncmp(line, "setup", 5)) {
2784	break;	if (strstr(line, "--force-lba")) {
2785		*lbaPtr = 1;
2786		} else {
2787		*lbaPtr = 0;
2788		}
2789		dbgPrintf("lba: %i\n", *lbaPtr);
2790		break;
2791		}
2792	}	}
	}
2793
2794	free(line);	free(line);
2795	fclose(deviceMap);	fclose(grubConf);
2796	return 0;	return 0;
2797	}	}
2798
2799	int suseGrubConfGetBoot(const char * path, char ** bootPtr) {	int suseGrubConfGetInstallDevice(const char *path, char **devicePtr)
2800	char * grubDevice;	{
2801		FILE *grubConf;
2802		char *line = NULL;
2803		size_t res = 0, len = 0;
2804		char *lastParamPtr = NULL;
2805		char *secLastParamPtr = NULL;
2806		char installDeviceNumber = '\0';
2807		char *bounds = NULL;
2808
2809	if (suseGrubConfGetInstallDevice(path, &grubDevice))	if (!path)
2810	dbgPrintf("error looking for grub installation device\n");	return 1;
2811	else	if (!devicePtr)
2812	dbgPrintf("grubby installation device: %s\n", grubDevice);	return 1;
	if (grubGetBootFromDeviceMap(grubDevice, bootPtr))
	dbgPrintf("error looking for grub boot device\n");
	else
	dbgPrintf("grubby boot device: %s\n", *bootPtr);
2813
2814	free(grubDevice);	grubConf = fopen(path, "r");
2815	return 0;	if (!grubConf)
2816	}	return 1;
2817
2818	int parseSuseGrubConf(int * lbaPtr, char ** bootPtr) {	while ((res = getline(&line, &len, grubConf)) != -1) {
2819	/*	if (strncmp(line, "setup", 5))
2820	* This SuSE grub configuration file at this location is not your average	continue;
2821	* grub configuration file, but instead the grub commands used to setup
2822	* grub on that system.	if (line[res - 1] == '\n')
2823	*/	line[res - 1] = '\0';
2824	const char * path;	else if (len > res)
2825	const static char default_path[] = "/etc/grub.conf";	line[res] = '\0';
2826		else {
2827	if ((path = getenv("GRUBBY_SUSE_GRUB_CONF")) == NULL)	line = realloc(line, res + 1);
2828	path = default_path;	line[res] = '\0';
2829		}
	if (!isSuseGrubConf(path)) return 1;
	if (lbaPtr) {
	*lbaPtr = 0;
	if (suseGrubConfGetLba(path, lbaPtr))
	return 1;
	}
2830
2831	if (bootPtr) {	lastParamPtr = bounds = line + res;
	*bootPtr = NULL;
	suseGrubConfGetBoot(path, bootPtr);
	}
2832
2833	return 0;	/* Last parameter in grub may be an optional IMAGE_DEVICE */
2834		while (!isspace(*lastParamPtr))
2835		lastParamPtr--;
2836		lastParamPtr++;
2837
2838		secLastParamPtr = lastParamPtr - 2;
2839		dbgPrintf("lastParamPtr: %s\n", lastParamPtr);
2840
2841		if (lastParamPtr + 3 > bounds) {
2842		dbgPrintf("lastParamPtr going over boundary");
2843		fclose(grubConf);
2844		free(line);
2845		return 1;
2846		}
2847		if (!strncmp(lastParamPtr, "(hd", 3))
2848		lastParamPtr += 3;
2849		dbgPrintf("lastParamPtr: %c\n", *lastParamPtr);
2850
2851		/*
2852		* Second last parameter will decide wether last parameter is
2853		* an IMAGE_DEVICE or INSTALL_DEVICE
2854		*/
2855		while (!isspace(*secLastParamPtr))
2856		secLastParamPtr--;
2857		secLastParamPtr++;
2858
2859		if (secLastParamPtr + 3 > bounds) {
2860		dbgPrintf("secLastParamPtr going over boundary");
2861		fclose(grubConf);
2862		free(line);
2863		return 1;
2864		}
2865		dbgPrintf("secLastParamPtr: %s\n", secLastParamPtr);
2866		if (!strncmp(secLastParamPtr, "(hd", 3)) {
2867		secLastParamPtr += 3;
2868		dbgPrintf("secLastParamPtr: %c\n", *secLastParamPtr);
2869		installDeviceNumber = *secLastParamPtr;
2870		} else {
2871		installDeviceNumber = *lastParamPtr;
2872		}
2873
2874		*devicePtr = malloc(6);
2875		snprintf(*devicePtr, 6, "(hd%c)", installDeviceNumber);
2876		dbgPrintf("installDeviceNumber: %c\n", installDeviceNumber);
2877		fclose(grubConf);
2878		free(line);
2879		return 0;
2880		}
2881
2882		free(line);
2883		fclose(grubConf);
2884		return 1;
2885	}	}
2886
2887	int parseSysconfigGrub(int * lbaPtr, char ** bootPtr) {	int grubGetBootFromDeviceMap(const char *device, char **bootPtr)
2888	FILE * in;	{
2889	char buf[1024];	FILE *deviceMap;
2890	char * chptr;	char *line = NULL;
2891	char * start;	size_t res = 0, len = 0;
2892	char * param;	char *devicePtr;
2893		char *bounds = NULL;
2894	in = fopen("/etc/conf.d/grub", "r");	const char *path;
2895	if (!in) return 1;	const static char default_path[] = "/boot/grub/device.map";
	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);
	}
2896
2897	fclose(in);	if (!device)
2898		return 1;
2899		if (!bootPtr)
2900		return 1;
2901
2902	return 0;	if ((path = getenv("GRUBBY_GRUB_DEVICE_MAP")) == NULL)
2903	}	path = default_path;
2904
2905	void dumpSysconfigGrub(void) {	dbgPrintf("opening grub device.map file from: %s\n", path);
2906	char * boot = NULL;	deviceMap = fopen(path, "r");
2907	int lba;	if (!deviceMap)
2908		return 1;
	if (isSuseSystem()) {
	if (parseSuseGrubConf(&lba, &boot)) {
	free(boot);
	return;
	}
	} else {
	if (parseSysconfigGrub(&lba, &boot)) {
	free(boot);
	return;
	}
	}
2909
2910	if (lba) printf("lba\n");	while ((res = getline(&line, &len, deviceMap)) != -1) {
2911	if (boot) {	if (!strncmp(line, "#", 1))
2912	printf("boot=%s\n", boot);	continue;
2913	free(boot);
2914	}	if (line[res - 1] == '\n')
2915	}	line[res - 1] = '\0';
2916		else if (len > res)
2917		line[res] = '\0';
2918		else {
2919		line = realloc(line, res + 1);
2920		line[res] = '\0';
2921		}
2922
2923	int displayInfo(struct grubConfig * config, char * kernel,	devicePtr = line;
2924	const char * prefix) {	bounds = line + res;
	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;
	}
2925
2926	/* this is a horrible hack to support /etc/conf.d/grub; there must	while ((isspace(*line) && ((devicePtr + 1) <= bounds)))
2927	be a better way */	devicePtr++;
2928	if (config->cfi == &grubConfigType) {	dbgPrintf("device: %s\n", devicePtr);
2929	dumpSysconfigGrub();
2930	} else {	if (!strncmp(devicePtr, device, strlen(device))) {
2931	line = getLineByType(LT_BOOT, config->theLines);	devicePtr += strlen(device);
2932	if (line && line->numElements >= 1) {	while (isspace(*devicePtr)
2933	printf("boot=%s\n", line->elements[1].item);	&& ((devicePtr + 1) <= bounds))
2934		devicePtr++;
2935
2936		*bootPtr = strdup(devicePtr);
2937		break;
2938		}
2939	}	}
2940
2941	line = getLineByType(LT_LBA, config->theLines);	free(line);
2942	if (line) printf("lba\n");	fclose(deviceMap);
2943	}	return 0;
2944		}
2945
2946	displayEntry(entry, prefix, i);	int suseGrubConfGetBoot(const char *path, char **bootPtr)
2947		{
2948		char *grubDevice;
2949
2950	i++;	if (suseGrubConfGetInstallDevice(path, &grubDevice))
2951	while ((entry = findEntryByPath(config, kernel, prefix, &i))) {	dbgPrintf("error looking for grub installation device\n");
2952	displayEntry(entry, prefix, i);	else
2953	i++;	dbgPrintf("grubby installation device: %s\n", grubDevice);
	}
2954
2955	return 0;	if (grubGetBootFromDeviceMap(grubDevice, bootPtr))
2956	}	dbgPrintf("error looking for grub boot device\n");
2957		else
2958		dbgPrintf("grubby boot device: %s\n", *bootPtr);
2959
2960	struct singleLine * addLineTmpl(struct singleEntry * entry,	free(grubDevice);
2961	struct singleLine * tmplLine,	return 0;
2962	struct singleLine * prevLine,	}
	const char * val,
	struct configFileInfo * cfi)
	{
	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);
	}
2963
2964	if (val) {	int parseSuseGrubConf(int *lbaPtr, char **bootPtr)
2965	/* override the inherited value with our own.	{
2966	* This is a little weak because it only applies to elements[1]	/*
2967		* This SuSE grub configuration file at this location is not your
2968		* average grub configuration file, but instead the grub commands
2969		* used to setup grub on that system.
2970	*/	*/
2971	if (newLine->numElements > 1)	const char *path;
2972	removeElement(newLine, 1);	const static char default_path[] = "/etc/grub.conf";
	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);
	}
	}
	}
2973
2974	dbgPrintf("addLineTmpl(%s)\n", newLine->numElements ?	if ((path = getenv("GRUBBY_SUSE_GRUB_CONF")) == NULL)
2975	newLine->elements[0].item : "");	path = default_path;
2976
2977	if (!entry->lines) {	if (!isSuseGrubConf(path))
2978	/* first one on the list */	return 1;
	entry->lines = newLine;
	} else if (prevLine) {
	/* add after prevLine */
	newLine->next = prevLine->next;
	prevLine->next = newLine;
	}
2979
2980	return newLine;	if (lbaPtr) {
2981	}	*lbaPtr = 0;
2982		if (suseGrubConfGetLba(path, lbaPtr))
2983		return 1;
2984		}
2985
2986	/* val may be NULL */	if (bootPtr) {
2987	struct singleLine *  addLine(struct singleEntry * entry,	*bootPtr = NULL;
2988	struct configFileInfo * cfi,	suseGrubConfGetBoot(path, bootPtr);
	enum lineType_e type, char * defaultIndent,
	const char * val) {
	struct singleLine * line, * prev;
	struct keywordTypes * kw;
	struct singleLine tmpl;
	/* 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 = "";
2989	}	}
	}
2990
2991	/* The last non-empty line gives us the indention to us and the line	return 0;
2992	to insert after. Note that comments are considered empty lines, which	}
	may not be ideal? If there are no lines or we are looking at the
	first line, we use defaultIndent (the first line is normally indented
	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;
	}
2993
2994	struct singleLine *menuEntry;	int parseSysconfigGrub(int *lbaPtr, char **bootPtr)
2995	menuEntry = getLineByType(LT_MENUENTRY, entry->lines);	{
2996	if (tmpl.type == LT_ENTRY_END) {	FILE *in;
2997	if (menuEntry)	char buf[1024];
2998	tmpl.indent = menuEntry->indent;	char *chptr;
2999	else	char *start;
3000	tmpl.indent = defaultIndent ?: "";	char *param;
	} else if (tmpl.type != LT_MENUENTRY) {
	if (menuEntry)
	tmpl.indent = "\t";
	else if (prev == entry->lines)
	tmpl.indent = defaultIndent ?: "";
	else
	tmpl.indent = prev->indent;
	}
3001
3002	return addLineTmpl(entry, &tmpl, prev, val, cfi);	in = fopen("/etc/sysconfig/grub", "r");
3003	}	if (!in)
3004		return 1;
3005
3006	void removeLine(struct singleEntry * entry, struct singleLine * line) {	if (lbaPtr)
3007	struct singleLine * prev;	*lbaPtr = 0;
3008	int i;	if (bootPtr)
3009		*bootPtr = NULL;
3010
3011		while (fgets(buf, sizeof(buf), in)) {
3012		start = buf;
3013		while (isspace(*start))
3014		start++;
3015		if (*start == '#')
3016		continue;
3017
3018		chptr = strchr(start, '=');
3019		if (!chptr)
3020		continue;
3021		chptr--;
3022		while (*chptr && isspace(*chptr))
3023		chptr--;
3024		chptr++;
3025		*chptr = '\0';
3026
3027		param = chptr + 1;
3028		while (*param && isspace(*param))
3029		param++;
3030		if (*param == '=') {
3031		param++;
3032		while (*param && isspace(*param))
3033		param++;
3034		}
3035
3036	for (i = 0; i < line->numElements; i++) {	chptr = param;
3037	free(line->elements[i].item);	while (*chptr && !isspace(*chptr))
3038	free(line->elements[i].indent);	chptr++;
3039	}	*chptr = '\0';
3040	free(line->elements);
3041	free(line->indent);	if (!strcmp(start, "forcelba") && !strcmp(param, "1") && lbaPtr)
3042		*lbaPtr = 1;
3043		else if (!strcmp(start, "boot") && bootPtr)
3044		*bootPtr = strdup(param);
3045		}
3046
3047	if (line == entry->lines) {	fclose(in);
	entry->lines = line->next;
	} else {
	prev = entry->lines;
	while (prev->next != line) prev = prev->next;
	prev->next = line->next;
	}
3048
3049	free(line);	return 0;
3050	}	}
3051
3052	static void requote(struct singleLine *tmplLine, struct configFileInfo * cfi)	void dumpSysconfigGrub(void)
3053	{	{
3054	struct singleLine newLine = {	char *boot = NULL;
3055	.indent = tmplLine->indent,	int lba;
3056	.type = tmplLine->type,
3057	.next = tmplLine->next,	if (isSuseSystem()) {
3058	};	if (parseSuseGrubConf(&lba, &boot)) {
3059	int firstQuotedItem = -1;	free(boot);
3060	int quoteLen = 0;	return;
3061	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;
	}
3062	} else {	} else {
3063	int itemlen = strlen(tmplLine->elements[j].item);	if (parseSysconfigGrub(&lba, &boot)) {
3064	quoteLen += itemlen;	free(boot);
3065	quoteLen += strlen(tmplLine->elements[j].indent);	return;
3066		}
	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;
	}
3067	}	}
	}
	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;
	}
3068
3069	line->elements = realloc(line->elements, (line->numElements + 1) *	if (lba)
3070	sizeof(*line->elements));	printf("lba\n");
3071	memmove(&line->elements[insertHere+1],	if (boot) {
3072	&line->elements[insertHere],	printf("boot=%s\n", boot);
3073	(line->numElements - insertHere) *	free(boot);
3074	sizeof(*line->elements));	}
3075	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] = ' ';
	}
3076
3077	if (insertHere > 0 && line->elements[insertHere-1].indent[0] == '\0') {	int displayInfo(struct grubConfig *config, char *kernel, const char *prefix)
3078	/* move the end-of-line forward */	{
3079	line->elements[insertHere].indent =	int i = 0;
3080	line->elements[insertHere-1].indent;	struct singleEntry *entry;
3081	line->elements[insertHere-1].indent = strdup(indent);	struct singleLine *line;
3082	} else {
3083	line->elements[insertHere].indent = strdup(indent);	entry = findEntryByPath(config, kernel, prefix, &i);
3084	}	if (!entry) {
3085		fprintf(stderr, _("grubby: kernel not found\n"));
3086		return 1;
3087		}
3088
3089	line->numElements++;	/* this is a horrible hack to support /etc/sysconfig/grub; there must
3090		be a better way */
3091		if (config->cfi == &grubConfigType) {
3092		dumpSysconfigGrub();
3093		} else {
3094		line = getLineByType(LT_BOOT, config->theLines);
3095		if (line && line->numElements >= 1) {
3096		printf("boot=%s\n", line->elements[1].item);
3097		}
3098
3099	dbgPrintf("insertElement(%s, '%s%s', %d)\n",	line = getLineByType(LT_LBA, config->theLines);
3100	line->elements[0].item,	if (line)
3101	line->elements[insertHere].item,	printf("lba\n");
3102	line->elements[insertHere].indent,	}
	insertHere);
	}
3103
3104	static void removeElement(struct singleLine * line, int removeHere) {	displayEntry(entry, prefix, i);
	int i;
3105
3106	/* sanity check */	i++;
3107	if (removeHere >= line->numElements) return;	while ((entry = findEntryByPath(config, kernel, prefix, &i))) {
3108		displayEntry(entry, prefix, i);
3109		i++;
3110		}
3111
3112	dbgPrintf("removeElement(%s, %d:%s)\n", line->elements[0].item,	return 0;
3113	removeHere, line->elements[removeHere].item);	}
3114
3115	free(line->elements[removeHere].item);	struct singleLine *addLineTmpl(struct singleEntry *entry,
3116		struct singleLine *tmplLine,
3117		struct singleLine *prevLine,
3118		const char *val, struct configFileInfo *cfi)
3119		{
3120		struct singleLine *newLine = lineDup(tmplLine);
3121
3122	if (removeHere > 1) {	if (isEfi && cfi == &grub2ConfigType) {
3123	/* previous argument gets this argument's post-indentation */	enum lineType_e old = newLine->type;
3124	free(line->elements[removeHere-1].indent);	newLine->type = preferredLineType(newLine->type, cfi);
3125	line->elements[removeHere-1].indent =	if (old != newLine->type)
3126	line->elements[removeHere].indent;	newLine->elements[0].item =
3127	} else {	getKeyByType(newLine->type, cfi);
3128	free(line->elements[removeHere].indent);	}
	}
3129
3130	/* now collapse the array, but don't bother to realloc smaller */	if (val) {
3131	for (i = removeHere; i < line->numElements - 1; i++)	/* override the inherited value with our own.
3132	line->elements[i] = line->elements[i + 1];	* This is a little weak because it only applies to elements[1]
3133		*/
3134	line->numElements--;	if (newLine->numElements > 1)
3135	}	removeElement(newLine, 1);
3136		insertElement(newLine, val, 1, cfi);
3137	int argMatch(const char * one, const char * two) {
3138	char * first, * second;	/* but try to keep the rootspec from the template... sigh */
3139	char * chptr;	if (tmplLine->
3140		type & (LT_HYPER | LT_KERNEL | LT_MBMODULE | LT_INITRD |
3141	first = strcpy(alloca(strlen(one) + 1), one);	LT_KERNEL_EFI | LT_INITRD_EFI | LT_KERNEL_16 |
3142	second = strcpy(alloca(strlen(two) + 1), two);	LT_INITRD_16)) {
3143		char *rootspec =
3144	chptr = strchr(first, '=');	getRootSpecifier(tmplLine->elements[1].item);
3145	if (chptr) *chptr = '\0';	if (rootspec != NULL) {
3146		free(newLine->elements[1].item);
3147	chptr = strchr(second, '=');	newLine->elements[1].item =
3148	if (chptr) *chptr = '\0';	sdupprintf("%s%s", rootspec, val);
3149		}
3150	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;
3151	}	}
	}
3152
3153	if (!removeArgs) {	dbgPrintf("addLineTmpl(%s)\n", newLine->numElements ?
3154	oldArgs = malloc(sizeof(*oldArgs));	newLine->elements[0].item : "");
3155	*oldArgs = NULL;
3156	} else {	if (!entry->lines) {
3157	if (poptParseArgvString(removeArgs, NULL, &oldArgs)) {	/* first one on the list */
3158	fprintf(stderr,	entry->lines = newLine;
3159	_("grubby: error separating arguments '%s'\n"), removeArgs);	} else if (prevLine) {
3160	free(newArgs);	/* add after prevLine */
3161	return 1;	newLine->next = prevLine->next;
3162		prevLine->next = newLine;
3163	}	}
	}
3164
3165		return newLine;
3166		}
3167
3168		/* val may be NULL */
3169		struct singleLine *addLine(struct singleEntry *entry,
3170		struct configFileInfo *cfi,
3171		enum lineType_e type, char *defaultIndent,
3172		const char *val)
3173		{
3174		struct singleLine *line, *prev;
3175		struct keywordTypes *kw;
3176		struct singleLine tmpl;
3177
3178	useKernelArgs = (getKeywordByType(LT_KERNELARGS, cfg->cfi)	/* NB: This function shouldn't allocate items on the heap, rather on
3179	&& (!multibootArgs || cfg->cfi->mbConcatArgs));	* the stack since it calls addLineTmpl which will make copies.
3180		*/
3181		if (type == LT_TITLE && cfi->titleBracketed) {
3182		/* we're doing a bracketed title (zipl) */
3183		tmpl.type = type;
3184		tmpl.numElements = 1;
3185		tmpl.elements = alloca(sizeof(*tmpl.elements));
3186		tmpl.elements[0].item = alloca(strlen(val) + 3);
3187		sprintf(tmpl.elements[0].item, "[%s]", val);
3188		tmpl.elements[0].indent = "";
3189		val = NULL;
3190		} else if (type == LT_MENUENTRY) {
3191		char *lineend = "--class gnu-linux --class gnu --class os {";
3192		if (!val) {
3193		fprintf(stderr,
3194		"Line type LT_MENUENTRY requires a value\n");
3195		abort();
3196		}
3197		kw = getKeywordByType(type, cfi);
3198		if (!kw) {
3199		fprintf(stderr,
3200		"Looking up keyword for unknown type %d\n",
3201		type);
3202		abort();
3203		}
3204		tmpl.indent = "";
3205		tmpl.type = type;
3206		tmpl.numElements = 3;
3207		tmpl.elements =
3208		alloca(sizeof(*tmpl.elements) * tmpl.numElements);
3209		tmpl.elements[0].item = kw->key;
3210		tmpl.elements[0].indent = alloca(2);
3211		sprintf(tmpl.elements[0].indent, "%c", kw->nextChar);
3212		tmpl.elements[1].item = (char *)val;
3213		tmpl.elements[1].indent = alloca(2);
3214		sprintf(tmpl.elements[1].indent, "%c", kw->nextChar);
3215		tmpl.elements[2].item = alloca(strlen(lineend) + 1);
3216		strcpy(tmpl.elements[2].item, lineend);
3217		tmpl.elements[2].indent = "";
3218		} else {
3219		kw = getKeywordByType(type, cfi);
3220		if (!kw) {
3221		fprintf(stderr,
3222		"Looking up keyword for unknown type %d\n",
3223		type);
3224		abort();
3225		}
3226		tmpl.type = type;
3227		tmpl.numElements = val ? 2 : 1;
3228		tmpl.elements =
3229		alloca(sizeof(*tmpl.elements) * tmpl.numElements);
3230		tmpl.elements[0].item = kw->key;
3231		tmpl.elements[0].indent = alloca(2);
3232		sprintf(tmpl.elements[0].indent, "%c", kw->nextChar);
3233		if (val) {
3234		tmpl.elements[1].item = (char *)val;
3235		tmpl.elements[1].indent = "";
3236		}
3237		}
3238
3239	useRoot = (getKeywordByType(LT_ROOT, cfg->cfi)	/* The last non-empty line gives us the indention to us and the line
3240	&& !multibootArgs);	* to insert after. Note that comments are considered empty lines,
3241		* which may not be ideal? If there are no lines or we are looking at
3242		* the first line, we use defaultIndent (the first line is normally
3243		* indented differently from the rest) */
3244		for (line = entry->lines, prev = NULL; line; line = line->next) {
3245		if (line->numElements)
3246		prev = line;
3247		/* fall back on the last line if prev isn't otherwise set */
3248		if (!line->next && !prev)
3249		prev = line;
3250		}
3251
3252		struct singleLine *menuEntry;
3253		menuEntry = getLineByType(LT_MENUENTRY, entry->lines);
3254		if (tmpl.type == LT_ENTRY_END) {
3255		if (menuEntry)
3256		tmpl.indent = menuEntry->indent;
3257		else
3258		tmpl.indent = defaultIndent ? : "";
3259		} else if (tmpl.type != LT_MENUENTRY) {
3260		if (menuEntry)
3261		tmpl.indent = "\t";
3262		else if (prev == entry->lines)
3263		tmpl.indent = defaultIndent ? : "";
3264		else
3265		tmpl.indent = prev->indent;
3266		}
3267
3268	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {	return addLineTmpl(entry, &tmpl, prev, val, cfi);
3269		}
3270
3271	if (multibootArgs && !entry->multiboot)	void removeLine(struct singleEntry *entry, struct singleLine *line)
3272	continue;	{
3273		struct singleLine *prev;
3274		int i;
3275
3276	/* Determine where to put the args.  If this config supports	for (i = 0; i < line->numElements; i++) {
3277	* LT_KERNELARGS, use that.  Otherwise use	free(line->elements[i].item);
3278	* LT_HYPER/LT_KERNEL/LT_MBMODULE lines.	free(line->elements[i].indent);
3279	*/	}
3280	if (useKernelArgs) {	free(line->elements);
3281	line = getLineByType(LT_KERNELARGS, entry->lines);	free(line->indent);
	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;
3282
3283		if (line == entry->lines) {
3284		entry->lines = line->next;
3285	} else {	} else {
3286	line = getLineByType(LT_KERNEL|LT_MBMODULE|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);	prev = entry->lines;
3287	if (!line) {	while (prev->next != line)
3288	/* no LT_KERNEL or LT_MBMODULE in this entry? */	prev = prev->next;
3289	continue;	prev->next = line->next;
	}
	firstElement = 2;
3290	}	}
3291
3292	/* handle the elilo case which does:	free(line);
3293	*   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;
	}
	}
3294
3295	if (i < line->numElements && doreplace) {	static void requote(struct singleLine *tmplLine, struct configFileInfo *cfi)
3296	/* direct replacement */	{
3297	free(line->elements[i].item);	struct singleLine newLine = {
3298	line->elements[i].item = strdup(*arg);	.indent = tmplLine->indent,
3299		.type = tmplLine->type,
3300		.next = tmplLine->next,
3301		};
3302		int firstQuotedItem = -1;
3303		int quoteLen = 0;
3304		int j;
3305		int element = 0;
3306		char *c;
3307
3308	} else if (useRoot && !strncmp(*arg, "root=/dev/", 10)) {	c = malloc(strlen(tmplLine->elements[0].item) + 1);
3309	/* root= replacement */	strcpy(c, tmplLine->elements[0].item);
3310	rootLine = getLineByType(LT_ROOT, entry->lines);	insertElement(&newLine, c, element++, cfi);
3311	if (rootLine) {	free(c);
3312	free(rootLine->elements[1].item);	c = NULL;
3313	rootLine->elements[1].item = strdup(*arg + 5);
3314		for (j = 1; j < tmplLine->numElements; j++) {
3315		if (firstQuotedItem == -1) {
3316		quoteLen += strlen(tmplLine->elements[j].item);
3317
3318		if (isquote(tmplLine->elements[j].item[0])) {
3319		firstQuotedItem = j;
3320		quoteLen +=
3321		strlen(tmplLine->elements[j].indent);
3322		} else {
3323		c = malloc(quoteLen + 1);
3324		strcpy(c, tmplLine->elements[j].item);
3325		insertElement(&newLine, c, element++, cfi);
3326		free(c);
3327		quoteLen = 0;
3328		}
3329	} else {	} else {
3330	rootLine = addLine(entry, cfg->cfi, LT_ROOT,	int itemlen = strlen(tmplLine->elements[j].item);
3331	cfg->secondaryIndent, *arg + 5);	quoteLen += itemlen;
3332		quoteLen += strlen(tmplLine->elements[j].indent);
3333
3334		if (isquote(tmplLine->elements[j].item[itemlen - 1])) {
3335		c = malloc(quoteLen + 1);
3336		c[0] = '\0';
3337		for (int i = firstQuotedItem; i < j + 1; i++) {
3338		strcat(c, tmplLine->elements[i].item);
3339		strcat(c, tmplLine->elements[i].indent);
3340		}
3341		insertElement(&newLine, c, element++, cfi);
3342		free(c);
3343
3344		firstQuotedItem = -1;
3345		quoteLen = 0;
3346		}
3347	}	}
3348	}	}
3349		while (tmplLine->numElements)
3350		removeElement(tmplLine, 0);
3351		if (tmplLine->elements)
3352		free(tmplLine->elements);
3353
3354		tmplLine->numElements = newLine.numElements;
3355		tmplLine->elements = newLine.elements;
3356		}
3357
3358		static void insertElement(struct singleLine *line,
3359		const char *item, int insertHere,
3360		struct configFileInfo *cfi)
3361		{
3362		struct keywordTypes *kw;
3363		char indent[2] = "";
3364
3365	else {	/* sanity check */
3366	/* insert/append */	if (insertHere > line->numElements) {
3367	insertElement(line, *arg, i, cfg->cfi);	dbgPrintf
3368	usedElements = realloc(usedElements, line->numElements *	("insertElement() adjusting insertHere from %d to %d\n",
3369	sizeof(*usedElements));	insertHere, line->numElements);
3370	memmove(&usedElements[i + 1], &usedElements[i],	insertHere = line->numElements;
3371	line->numElements - i - 1);	}
3372	usedElements[i] = 1;
3373		line->elements = realloc(line->elements, (line->numElements + 1) *
3374	/* if we updated a root= here even though there is a	sizeof(*line->elements));
3375	LT_ROOT available we need to remove the LT_ROOT entry	memmove(&line->elements[insertHere + 1],
3376	(this will happen if we switch from a device to a label) */	&line->elements[insertHere],
3377	if (useRoot && !strncmp(*arg, "root=", 5)) {	(line->numElements - insertHere) * sizeof(*line->elements));
3378	rootLine = getLineByType(LT_ROOT, entry->lines);	line->elements[insertHere].item = strdup(item);
3379	if (rootLine)
3380	removeLine(entry, rootLine);	kw = getKeywordByType(line->type, cfi);
3381	}
3382	}	if (line->numElements == 0) {
3383	}	indent[0] = '\0';
3384		} else if (insertHere == 0) {
3385	free(usedElements);	indent[0] = kw->nextChar;
3386		} else if (kw->separatorChar != '\0') {
3387	for (arg = oldArgs; *arg; arg++) {	indent[0] = kw->separatorChar;
3388	for (i = firstElement; i < line->numElements; i++) {	} else {
3389	if (multibootArgs && cfg->cfi->mbConcatArgs &&	indent[0] = ' ';
3390	!strcmp(line->elements[i].item, "--"))	}
3391	/* reached the end of hyper args, stop here */
3392	break;	if (insertHere > 0 && line->elements[insertHere - 1].indent[0] == '\0') {
3393	if (!argMatch(line->elements[i].item, *arg)) {	/* move the end-of-line forward */
3394	removeElement(line, i);	line->elements[insertHere].indent =
3395	break;	line->elements[insertHere - 1].indent;
3396	}	line->elements[insertHere - 1].indent = strdup(indent);
3397	}	} else {
3398	/* handle removing LT_ROOT line too */	line->elements[insertHere].indent = strdup(indent);
	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);
3399	}	}
	}
3400
3401	free(newArgs);	line->numElements++;
	free(oldArgs);
3402
3403	return 0;	dbgPrintf("insertElement(%s, '%s%s', %d)\n",
3404		line->elements[0].item,
3405		line->elements[insertHere].item,
3406		line->elements[insertHere].indent, insertHere);
3407	}	}
3408
3409	int updateImage(struct grubConfig * cfg, const char * image,	static void removeElement(struct singleLine *line, int removeHere)
3410	const char * prefix, const char * addArgs,	{
3411	const char * removeArgs,	int i;
3412	const char * addMBArgs, const char * removeMBArgs) {
3413	int rc = 0;	/* sanity check */
3414		if (removeHere >= line->numElements)
3415	if (!image) return rc;	return;
3416
3417	/* update the main args first... */	dbgPrintf("removeElement(%s, %d:%s)\n", line->elements[0].item,
3418	if (addArgs || removeArgs)	removeHere, line->elements[removeHere].item);
3419	rc = updateActualImage(cfg, image, prefix, addArgs, removeArgs, 0);
3420	if (rc) return rc;	free(line->elements[removeHere].item);
3421
3422	/* and now any multiboot args */	if (removeHere > 1) {
3423	if (addMBArgs || removeMBArgs)	/* previous argument gets this argument's post-indentation */
3424	rc = updateActualImage(cfg, image, prefix, addMBArgs, removeMBArgs, 1);	free(line->elements[removeHere - 1].indent);
3425	return rc;	line->elements[removeHere - 1].indent =
3426	}	line->elements[removeHere].indent;
3427		} else {
3428	int addMBInitrd(struct grubConfig * cfg, const char *newMBKernel,	free(line->elements[removeHere].indent);
	const char * image, const char * prefix, const char * initrd,
	const char * title) {
	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 title is supplied, the entry's title must match it. */
	if (title) {
	char *linetitle;
	line = getLineByType(LT_TITLE|LT_MENUENTRY, entry->lines);
	if (!line)
	continue;
	linetitle = extractTitle(line);
	if (!linetitle)
	continue;
	if (strcmp(title, linetitle)) {
	free(linetitle);
	continue;
	}
	free(linetitle);
	}
	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;
3429	}	}
3430
3431	break;	/* now collapse the array, but don't bother to realloc smaller */
3432	}	for (i = removeHere; i < line->numElements - 1; i++)
3433		line->elements[i] = line->elements[i + 1];
3434
3435	return 0;	line->numElements--;
3436	}	}
3437
3438	int updateInitrd(struct grubConfig * cfg, const char * image,	int argMatch(const char *one, const char *two)
3439	const char * prefix, const char * initrd, const char * title) {	{
3440	struct singleEntry * entry;	char *first, *second;
3441	struct singleLine * line, * kernelLine, *endLine = NULL;	char *chptr;
	int index = 0;
	if (!image) return 0;
	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
	kernelLine = getLineByType(LT_KERNEL|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);
	if (!kernelLine) continue;
	/* if title is supplied, the entry's title must match it. */
	if (title) {
	char *linetitle;
	line = getLineByType(LT_TITLE|LT_MENUENTRY, entry->lines);
	if (!line)
	continue;
	linetitle = extractTitle(line);
	if (!linetitle)
	continue;
	if (strcmp(title, linetitle)) {
	free(linetitle);
	continue;
	}
	free(linetitle);
	}
	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)
	return 1;
	}
3442
3443	break;	first = strcpy(alloca(strlen(one) + 1), one);
3444	}	second = strcpy(alloca(strlen(two) + 1), two);
3445
3446	return 0;	chptr = strchr(first, '=');
3447		if (chptr)
3448		*chptr = '\0';
3449
3450		chptr = strchr(second, '=');
3451		if (chptr)
3452		*chptr = '\0';
3453
3454		return strcmp(first, second);
3455	}	}
3456
3457	int checkDeviceBootloader(const char * device, const unsigned char * boot) {	int updateActualImage(struct grubConfig *cfg, const char *image,
3458	int fd;	const char *prefix, const char *addArgs,
3459	unsigned char bootSect[512];	const char *removeArgs, int multibootArgs)
3460	int offset;	{
3461		struct singleEntry *entry;
3462	fd = open(device, O_RDONLY);	struct singleLine *line, *rootLine;
3463	if (fd < 0) {	int index = 0;
3464	fprintf(stderr, _("grubby: unable to open %s: %s\n"),	int i, k;
3465	device, strerror(errno));	const char **newArgs, **oldArgs;
3466	return 1;	const char **arg;
3467	}	int useKernelArgs, useRoot;
3468		int firstElement;
3469		int *usedElements;
3470		int doreplace;
3471
3472	if (read(fd, bootSect, 512) != 512) {	if (!image)
3473	fprintf(stderr, _("grubby: unable to read %s: %s\n"),	return 0;
	device, strerror(errno));
	return 1;
	}
	close(fd);
3474
3475	/* first three bytes should match, a jmp short should be in there */	if (!addArgs) {
3476	if (memcmp(boot, bootSect, 3))	newArgs = malloc(sizeof(*newArgs));
3477	return 0;	*newArgs = NULL;
3478		} else {
3479		if (poptParseArgvString(addArgs, NULL, &newArgs)) {
3480		fprintf(stderr,
3481		_("grubby: error separating arguments '%s'\n"),
3482		addArgs);
3483		return 1;
3484		}
3485		}
3486
3487	if (boot[1] == JMP_SHORT_OPCODE) {	if (!removeArgs) {
3488	offset = boot[2] + 2;	oldArgs = malloc(sizeof(*oldArgs));
3489	} else if (boot[1] == 0xe8 || boot[1] == 0xe9) {	*oldArgs = NULL;
3490	offset = (boot[3] << 8) + boot[2] + 2;	} else {
3491	} else if (boot[0] == JMP_SHORT_OPCODE) {	if (poptParseArgvString(removeArgs, NULL, &oldArgs)) {
3492	offset = boot[1] + 2;	fprintf(stderr,
3493	/*	_("grubby: error separating arguments '%s'\n"),
3494	* it looks like grub, when copying stage1 into the mbr, patches stage1	removeArgs);
3495	* right after the JMP location, replacing other instructions such as	free(newArgs);
3496	* JMPs for NOOPs. So, relax the check a little bit by skipping those	return 1;
3497	* different bytes.	}
3498	*/	}
	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;
	}
3499
3500	if (memcmp(boot + offset, bootSect + offset, CODE_SEG_SIZE))	useKernelArgs = (getKeywordByType(LT_KERNELARGS, cfg->cfi)
3501	return 0;	&& (!multibootArgs || cfg->cfi->mbConcatArgs));
3502
3503	return 2;	useRoot = (getKeywordByType(LT_ROOT, cfg->cfi)
3504	}	&& !multibootArgs);
3505
3506	int checkLiloOnRaid(char * mdDev, const unsigned char * boot) {	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
	int fd;
	char buf[65536];
	char * end;
	char * chptr;
	char * chptr2;
	int rc;
3507
3508	/* it's on raid; we need to parse /proc/mdstat and check all of the	if (multibootArgs && !entry->multiboot)
3509	*raw* devices listed in there */	continue;
3510
3511	if (!strncmp(mdDev, "/dev/", 5))	/* Determine where to put the args.  If this config supports
3512	mdDev += 5;	* LT_KERNELARGS, use that.  Otherwise use
3513		* LT_HYPER/LT_KERNEL/LT_MBMODULE lines.
3514		*/
3515		if (useKernelArgs) {
3516		line = getLineByType(LT_KERNELARGS, entry->lines);
3517		if (!line) {
3518		/* no LT_KERNELARGS, need to add it */
3519		line = addLine(entry, cfg->cfi, LT_KERNELARGS,
3520		cfg->secondaryIndent, NULL);
3521		}
3522		firstElement = 1;
3523
3524	if ((fd = open("/proc/mdstat", O_RDONLY)) < 0) {	} else if (multibootArgs) {
3525	fprintf(stderr, _("grubby: failed to open /proc/mdstat: %s\n"),	line = getLineByType(LT_HYPER, entry->lines);
3526	strerror(errno));	if (!line) {
3527	return 2;	/* a multiboot entry without LT_HYPER? */
3528	}	continue;
3529		}
3530		firstElement = 2;
3531
3532	rc = read(fd, buf, sizeof(buf) - 1);	} else {
3533	if (rc < 0 || rc == (sizeof(buf) - 1)) {	line =
3534	fprintf(stderr, _("grubby: failed to read /proc/mdstat: %s\n"),	getLineByType(LT_KERNEL | LT_MBMODULE |
3535	strerror(errno));	LT_KERNEL_EFI | LT_KERNEL_16,
3536	close(fd);	entry->lines);
3537	return 2;	if (!line) {
3538	}	/* no LT_KERNEL or LT_MBMODULE in this entry? */
3539	close(fd);	continue;
3540	buf[rc] = '\0';	}
3541		firstElement = 2;
3542		}
3543
3544	chptr = buf;	/* handle the elilo case which does:
3545	while (*chptr) {	*   append="hypervisor args -- kernel args"
3546	end = strchr(chptr, '\n');	*/
3547	if (!end) break;	if (entry->multiboot && cfg->cfi->mbConcatArgs) {
3548	*end = '\0';	/* this is a multiboot entry, make sure there's
3549		* -- on the args line
3550		*/
3551		for (i = firstElement; i < line->numElements; i++) {
3552		if (!strcmp(line->elements[i].item, "--"))
3553		break;
3554		}
3555		if (i == line->numElements) {
3556		/* assume all existing args are kernel args,
3557		* prepend -- to make it official
3558		*/
3559		insertElement(line, "--", firstElement,
3560		cfg->cfi);
3561		i = firstElement;
3562		}
3563		if (!multibootArgs) {
3564		/* kernel args start after the -- */
3565		firstElement = i + 1;
3566		}
3567		} else if (cfg->cfi->mbConcatArgs) {
3568		/* this is a non-multiboot entry, remove hyper args */
3569		for (i = firstElement; i < line->numElements; i++) {
3570		if (!strcmp(line->elements[i].item, "--"))
3571		break;
3572		}
3573		if (i < line->numElements) {
3574		/* remove args up to -- */
3575		while (strcmp
3576		(line->elements[firstElement].item,
3577		"--"))
3578		removeElement(line, firstElement);
3579		/* remove -- */
3580		removeElement(line, firstElement);
3581		}
3582		}
3583
3584	if (!strncmp(chptr, mdDev, strlen(mdDev)) &&	usedElements = calloc(line->numElements, sizeof(*usedElements));
	chptr[strlen(mdDev)] == ' ') {
3585
3586	/* found the device */	for (k = 0, arg = newArgs; *arg; arg++, k++) {
	while (*chptr && *chptr != ':') chptr++;
	chptr++;
	while (*chptr && isspace(*chptr)) chptr++;
	/* skip the "active" bit */
	while (*chptr && !isspace(*chptr)) chptr++;
	while (*chptr && isspace(*chptr)) chptr++;
	/* 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++;
	}
3587
3588	/*  we're good to go */	doreplace = 1;
3589	return 2;	for (i = firstElement; i < line->numElements; i++) {
3590		if (multibootArgs && cfg->cfi->mbConcatArgs &&
3591		!strcmp(line->elements[i].item, "--")) {
3592		/* reached the end of hyper args, insert here */
3593		doreplace = 0;
3594		break;
3595		}
3596		if (usedElements[i])
3597		continue;
3598		if (!argMatch(line->elements[i].item, *arg)) {
3599		usedElements[i] = 1;
3600		break;
3601		}
3602		}
3603
3604		if (i < line->numElements && doreplace) {
3605		/* direct replacement */
3606		free(line->elements[i].item);
3607		line->elements[i].item = strdup(*arg);
3608
3609		} else if (useRoot && !strncmp(*arg, "root=/dev/", 10)) {
3610		/* root= replacement */
3611		rootLine = getLineByType(LT_ROOT, entry->lines);
3612		if (rootLine) {
3613		free(rootLine->elements[1].item);
3614		rootLine->elements[1].item =
3615		strdup(*arg + 5);
3616		} else {
3617		rootLine =
3618		addLine(entry, cfg->cfi, LT_ROOT,
3619		cfg->secondaryIndent,
3620		*arg + 5);
3621		}
3622		}
3623
3624		else {
3625		/* insert/append */
3626		insertElement(line, *arg, i, cfg->cfi);
3627		usedElements =
3628		realloc(usedElements,
3629		line->numElements *
3630		sizeof(*usedElements));
3631		memmove(&usedElements[i + 1], &usedElements[i],
3632		line->numElements - i - 1);
3633		usedElements[i] = 1;
3634
3635		/* if we updated a root= here even though
3636		* there is a LT_ROOT available we need to
3637		* remove the LT_ROOT entry (this will happen
3638		* if we switch from a device to a label) */
3639		if (useRoot && !strncmp(*arg, "root=", 5)) {
3640		rootLine =
3641		getLineByType(LT_ROOT,
3642		entry->lines);
3643		if (rootLine)
3644		removeLine(entry, rootLine);
3645		}
3646		}
3647		}
3648
3649		free(usedElements);
3650
3651		for (arg = oldArgs; *arg; arg++) {
3652		for (i = firstElement; i < line->numElements; i++) {
3653		if (multibootArgs && cfg->cfi->mbConcatArgs &&
3654		!strcmp(line->elements[i].item, "--"))
3655		/* reached the end of hyper args, stop here */
3656		break;
3657		if (!argMatch(line->elements[i].item, *arg)) {
3658		removeElement(line, i);
3659		break;
3660		}
3661		}
3662		/* handle removing LT_ROOT line too */
3663		if (useRoot && !strncmp(*arg, "root=", 5)) {
3664		rootLine = getLineByType(LT_ROOT, entry->lines);
3665		if (rootLine)
3666		removeLine(entry, rootLine);
3667		}
3668		}
3669
3670		if (line->numElements == 1) {
3671		/* don't need the line at all (note it has to be a
3672		LT_KERNELARGS for this to happen */
3673		removeLine(entry, line);
3674		}
3675	}	}
3676
3677	chptr = end + 1;	free(newArgs);
3678	}	free(oldArgs);
3679
3680	fprintf(stderr,	return 0;
	_("grubby: raid device /dev/%s not found in /proc/mdstat\n"),
	mdDev);
	return 0;
3681	}	}
3682
3683	int checkForLilo(struct grubConfig * config) {	int updateImage(struct grubConfig *cfg, const char *image,
3684	int fd;	const char *prefix, const char *addArgs,
3685	unsigned char boot[512];	const char *removeArgs,
3686	struct singleLine * line;	const char *addMBArgs, const char *removeMBArgs)
3687		{
3688	for (line = config->theLines; line; line = line->next)	int rc = 0;
	if (line->type == LT_BOOT) break;
	if (!line) {
	fprintf(stderr,
	_("grubby: no boot line found in lilo configuration\n"));
	return 1;
	}
3689
3690	if (line->numElements != 2) return 1;	if (!image)
3691		return rc;
3692
3693	fd = open("/boot/boot.b", O_RDONLY);	/* update the main args first... */
3694	if (fd < 0) {	if (addArgs || removeArgs)
3695	fprintf(stderr, _("grubby: unable to open %s: %s\n"),	rc = updateActualImage(cfg, image, prefix, addArgs, removeArgs,
3696	"/boot/boot.b", strerror(errno));	0);
3697	return 1;	if (rc)
3698	}	return rc;
3699
3700		/* and now any multiboot args */
3701		if (addMBArgs || removeMBArgs)
3702		rc = updateActualImage(cfg, image, prefix, addMBArgs,
3703		removeMBArgs, 1);
3704		return rc;
3705		}
3706
3707		int addMBInitrd(struct grubConfig *cfg, const char *newMBKernel,
3708		const char *image, const char *prefix, const char *initrd,
3709		const char *title)
3710		{
3711		struct singleEntry *entry;
3712		struct singleLine *line, *kernelLine, *endLine = NULL;
3713		int index = 0;
3714
3715	if (read(fd, boot, 512) != 512) {	if (!image)
3716	fprintf(stderr, _("grubby: unable to read %s: %s\n"),	return 0;
	"/boot/boot.b", strerror(errno));
	return 1;
	}
	close(fd);
3717
3718	if (!strncmp("/dev/md", line->elements[1].item, 7))	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
3719	return checkLiloOnRaid(line->elements[1].item, boot);	kernelLine = getLineByType(LT_MBMODULE, entry->lines);
3720		if (!kernelLine)
3721		continue;
3722
3723		/* if title is supplied, the entry's title must match it. */
3724		if (title) {
3725		char *linetitle;
3726
3727		line =
3728		getLineByType(LT_TITLE | LT_MENUENTRY,
3729		entry->lines);
3730		if (!line)
3731		continue;
3732
3733		linetitle = extractTitle(cfg, line);
3734		if (!linetitle)
3735		continue;
3736		if (strcmp(title, linetitle)) {
3737		free(linetitle);
3738		continue;
3739		}
3740		free(linetitle);
3741		}
3742
3743	return checkDeviceBootloader(line->elements[1].item, boot);	if (prefix) {
3744	}	int prefixLen = strlen(prefix);
3745		if (!strncmp(initrd, prefix, prefixLen))
3746		initrd += prefixLen;
3747		}
3748		endLine = getLineByType(LT_ENTRY_END, entry->lines);
3749		if (endLine)
3750		removeLine(entry, endLine);
3751		line =
3752		addLine(entry, cfg->cfi,
3753		preferredLineType(LT_MBMODULE, cfg->cfi),
3754		kernelLine->indent, initrd);
3755		if (!line)
3756		return 1;
3757		if (endLine) {
3758		line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL);
3759		if (!line)
3760		return 1;
3761		}
3762
3763	int checkForGrub2(struct grubConfig * config) {	break;
3764	if (!access("/etc/grub.d/", R_OK))	}
	return 2;
3765
3766	return 1;	return 0;
3767	}	}
3768
3769	int checkForGrub(struct grubConfig * config) {	int updateInitrd(struct grubConfig *cfg, const char *image,
3770	int fd;	const char *prefix, const char *initrd, const char *title)
3771	unsigned char bootSect[512];	{
3772	char * boot;	struct singleEntry *entry;
3773	int onSuse = isSuseSystem();	struct singleLine *line, *kernelLine, *endLine = NULL;
3774		int index = 0;
3775
3776		if (!image)
3777		return 0;
3778
3779	if (onSuse) {	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
3780	if (parseSuseGrubConf(NULL, &boot))	kernelLine =
3781	return 0;	getLineByType(LT_KERNEL | LT_KERNEL_EFI | LT_KERNEL_16,
3782	} else {	entry->lines);
3783	if (parseSysconfigGrub(NULL, &boot))	if (!kernelLine)
3784	return 0;	continue;
3785	}
3786		/* if title is supplied, the entry's title must match it. */
3787		if (title) {
3788		char *linetitle;
3789
3790		line =
3791		getLineByType(LT_TITLE | LT_MENUENTRY,
3792		entry->lines);
3793		if (!line)
3794		continue;
3795
3796		linetitle = extractTitle(cfg, line);
3797		if (!linetitle)
3798		continue;
3799		if (strcmp(title, linetitle)) {
3800		free(linetitle);
3801		continue;
3802		}
3803		free(linetitle);
3804		}
3805
3806	/* assume grub is not installed -- not an error condition */	line =
3807	if (!boot)	getLineByType(LT_INITRD | LT_INITRD_EFI | LT_INITRD_16,
3808	return 0;	entry->lines);
3809		if (line)
3810		removeLine(entry, line);
3811		if (prefix) {
3812		int prefixLen = strlen(prefix);
3813		if (!strncmp(initrd, prefix, prefixLen))
3814		initrd += prefixLen;
3815		}
3816		endLine = getLineByType(LT_ENTRY_END, entry->lines);
3817		if (endLine)
3818		removeLine(entry, endLine);
3819		enum lineType_e lt;
3820		switch (kernelLine->type) {
3821		case LT_KERNEL:
3822		lt = LT_INITRD;
3823		break;
3824		case LT_KERNEL_EFI:
3825		lt = LT_INITRD_EFI;
3826		break;
3827		case LT_KERNEL_16:
3828		lt = LT_INITRD_16;
3829		break;
3830		default:
3831		lt = preferredLineType(LT_INITRD, cfg->cfi);
3832		}
3833		line = addLine(entry, cfg->cfi, lt, kernelLine->indent, initrd);
3834		if (!line)
3835		return 1;
3836		if (endLine) {
3837		line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL);
3838		if (!line)
3839		return 1;
3840		}
3841
3842		break;
3843		}
3844
	fd = open("/boot/grub/stage1", O_RDONLY);
	if (fd < 0)
	/* this doesn't exist if grub hasn't been installed */
3845	return 0;	return 0;
3846		}
3847
3848	if (read(fd, bootSect, 512) != 512) {	int checkDeviceBootloader(const char *device, const unsigned char *boot)
3849	fprintf(stderr, _("grubby: unable to read %s: %s\n"),	{
3850	"/boot/grub/stage1", strerror(errno));	int fd;
3851	close(fd);	unsigned char bootSect[512];
3852	return 1;	int offset;
3853	}
3854	close(fd);	fd = open(device, O_RDONLY);
3855		if (fd < 0) {
3856		fprintf(stderr, _("grubby: unable to open %s: %s\n"),
3857		device, strerror(errno));
3858		return 1;
3859		}
3860
3861	/* The more elaborate checks do not work on SuSE. The checks done	if (read(fd, bootSect, 512) != 512) {
3862	* seem to be reasonble (at least for now), so just return success	fprintf(stderr, _("grubby: unable to read %s: %s\n"),
3863	*/	device, strerror(errno));
3864	if (onSuse)	return 1;
3865	return 2;	}
3866		close(fd);
3867
3868		/* first three bytes should match, a jmp short should be in there */
3869		if (memcmp(boot, bootSect, 3))
3870		return 0;
3871
3872		if (boot[1] == JMP_SHORT_OPCODE) {
3873		offset = boot[2] + 2;
3874		} else if (boot[1] == 0xe8 || boot[1] == 0xe9) {
3875		offset = (boot[3] << 8) + boot[2] + 2;
3876		} else if (boot[0] == JMP_SHORT_OPCODE) {
3877		offset = boot[1] + 2;
3878		/*
3879		* it looks like grub, when copying stage1 into the mbr,
3880		* patches stage1 right after the JMP location, replacing
3881		* other instructions such as JMPs for NOOPs. So, relax the
3882		* check a little bit by skipping those different bytes.
3883		*/
3884		if ((bootSect[offset + 1] == NOOP_OPCODE)
3885		&& (bootSect[offset + 2] == NOOP_OPCODE)) {
3886		offset = offset + 3;
3887		}
3888		} else if (boot[0] == 0xe8 || boot[0] == 0xe9) {
3889		offset = (boot[2] << 8) + boot[1] + 2;
3890		} else {
3891		return 0;
3892		}
3893
3894	return checkDeviceBootloader(boot, bootSect);	if (memcmp(boot + offset, bootSect + offset, CODE_SEG_SIZE))
3895		return 0;
3896
3897		return 2;
3898	}	}
3899
3900	int checkForExtLinux(struct grubConfig * config) {	int checkLiloOnRaid(char *mdDev, const unsigned char *boot)
3901	int fd;	{
3902	unsigned char bootSect[512];	int fd;
3903	char * boot;	char buf[65536];
3904	char executable[] = "/boot/extlinux/extlinux";	char *end;
3905		char *chptr;
3906		char *chptr2;
3907		int rc;
3908
3909		/* it's on raid; we need to parse /proc/mdstat and check all of the
3910		*raw* devices listed in there */
3911
3912		if (!strncmp(mdDev, "/dev/", 5))
3913		mdDev += 5;
3914
3915		if ((fd = open("/proc/mdstat", O_RDONLY)) < 0) {
3916		fprintf(stderr, _("grubby: failed to open /proc/mdstat: %s\n"),
3917		strerror(errno));
3918		return 2;
3919		}
3920
3921		rc = read(fd, buf, sizeof(buf) - 1);
3922		if (rc < 0 || rc == (sizeof(buf) - 1)) {
3923		fprintf(stderr, _("grubby: failed to read /proc/mdstat: %s\n"),
3924		strerror(errno));
3925		close(fd);
3926		return 2;
3927		}
3928		close(fd);
3929		buf[rc] = '\0';
3930
3931		chptr = buf;
3932		while (*chptr) {
3933		end = strchr(chptr, '\n');
3934		if (!end)
3935		break;
3936		*end = '\0';
3937
3938	printf("entered: checkForExtLinux()\n");	if (!strncmp(chptr, mdDev, strlen(mdDev)) &&
3939		chptr[strlen(mdDev)] == ' ') {
3940
3941	if (parseSysconfigGrub(NULL, &boot))	/* found the device */
3942	return 0;	while (*chptr && *chptr != ':')
3943		chptr++;
3944		chptr++;
3945		while (*chptr && isspace(*chptr))
3946		chptr++;
3947
3948		/* skip the "active" bit */
3949		while (*chptr && !isspace(*chptr))
3950		chptr++;
3951		while (*chptr && isspace(*chptr))
3952		chptr++;
3953
3954		/* skip the raid level */
3955		while (*chptr && !isspace(*chptr))
3956		chptr++;
3957		while (*chptr && isspace(*chptr))
3958		chptr++;
3959
3960		/* everything else is partition stuff */
3961		while (*chptr) {
3962		chptr2 = chptr;
3963		while (*chptr2 && *chptr2 != '[')
3964		chptr2++;
3965		if (!*chptr2)
3966		break;
3967
3968	/* assume grub is not installed -- not an error condition */	/* yank off the numbers at the end */
3969	if (!boot)	chptr2--;
3970	return 0;	while (isdigit(*chptr2) && chptr2 > chptr)
3971		chptr2--;
3972		chptr2++;
3973		*chptr2 = '\0';
3974
3975		/* Better, now we need the /dev/ back. We're
3976		* done with everything before this point, so
3977		* we can just put the /dev/ part there.
3978		* There will always be room. */
3979		memcpy(chptr - 5, "/dev/", 5);
3980		rc = checkDeviceBootloader(chptr - 5, boot);
3981		if (rc != 2) {
3982		return rc;
3983		}
3984
3985	fd = open(executable, O_RDONLY);	chptr = chptr2 + 1;
3986	if (fd < 0)	/* skip the [11] bit */
3987	/* this doesn't exist if grub hasn't been installed */	while (*chptr && !isspace(*chptr))
3988	return 0;	chptr++;
3989		/* and move to the next one */
3990		while (*chptr && isspace(*chptr))
3991		chptr++;
3992		}
3993
3994	if (read(fd, bootSect, 512) != 512) {	/*  we're good to go */
3995	fprintf(stderr, _("grubby: unable to read %s: %s\n"),	return 2;
3996	executable, strerror(errno));	}
	return 1;
	}
	close(fd);
3997
3998	return checkDeviceBootloader(boot, bootSect);	chptr = end + 1;
3999		}
4000
4001		fprintf(stderr,
4002		_("grubby: raid device /dev/%s not found in /proc/mdstat\n"),
4003		mdDev);
4004		return 0;
4005	}	}
4006
4007	int checkForYaboot(struct grubConfig * config) {	int checkForLilo(struct grubConfig *config)
4008	/*	{
4009	* This is a simplistic check that we consider good enough for own puporses	int fd;
4010	*	unsigned char boot[512];
4011	* If we were to properly check if yaboot is *installed* we'd need to:	struct singleLine *line;
4012	* 1) get the system boot device (LT_BOOT)
4013	* 2) considering it's a raw filesystem, check if the yaboot binary matches	for (line = config->theLines; line; line = line->next)
4014	*    the content on the boot device	if (line->type == LT_BOOT)
4015	* 3) if not, copy the binary to a temporary file and run "addnote" on it	break;
4016	* 4) check again if binary and boot device contents match
4017	*/	if (!line) {
4018	if (!access("/etc/yaboot.conf", R_OK))	fprintf(stderr,
4019	return 2;	_
4020		("grubby: no boot line found in lilo configuration\n"));
4021		return 1;
4022		}
4023
4024		if (line->numElements != 2)
4025		return 1;
4026
4027		fd = open("/boot/boot.b", O_RDONLY);
4028		if (fd < 0) {
4029		fprintf(stderr, _("grubby: unable to open %s: %s\n"),
4030		"/boot/boot.b", strerror(errno));
4031		return 1;
4032		}
4033
4034		if (read(fd, boot, 512) != 512) {
4035		fprintf(stderr, _("grubby: unable to read %s: %s\n"),
4036		"/boot/boot.b", strerror(errno));
4037		return 1;
4038		}
4039		close(fd);
4040
4041		if (!strncmp("/dev/md", line->elements[1].item, 7))
4042		return checkLiloOnRaid(line->elements[1].item, boot);
4043
4044	return 1;	return checkDeviceBootloader(line->elements[1].item, boot);
4045	}	}
4046
4047	int checkForElilo(struct grubConfig * config) {	int checkForGrub2(struct grubConfig *config)
4048	if (!access("/etc/elilo.conf", R_OK))	{
4049	return 2;	if (!access("/etc/grub.d/", R_OK))
4050		return 2;
4051
4052	return 1;	return 1;
4053	}	}
4054
4055	static char * getRootSpecifier(char * str) {	int checkForGrub(struct grubConfig *config)
4056	char * idx, * rootspec = NULL;	{
4057		int fd;
4058		unsigned char bootSect[512];
4059		char *boot;
4060		int onSuse = isSuseSystem();
4061
4062		if (onSuse) {
4063		if (parseSuseGrubConf(NULL, &boot))
4064		return 0;
4065		} else {
4066		if (parseSysconfigGrub(NULL, &boot))
4067		return 0;
4068		}
4069
4070		/* assume grub is not installed -- not an error condition */
4071		if (!boot)
4072		return 0;
4073
4074	if (*str == '(') {	fd = open("/boot/grub/stage1", O_RDONLY);
4075	idx = rootspec = strdup(str);	if (fd < 0)
4076	while(*idx && (*idx != ')') && (!isspace(*idx))) idx++;	/* this doesn't exist if grub hasn't been installed */
4077	*(++idx) = '\0';	return 0;
4078	}
4079	return rootspec;	if (read(fd, bootSect, 512) != 512) {
4080		fprintf(stderr, _("grubby: unable to read %s: %s\n"),
4081		"/boot/grub/stage1", strerror(errno));
4082		close(fd);
4083		return 1;
4084		}
4085		close(fd);
4086
4087		/* The more elaborate checks do not work on SuSE. The checks done
4088		* seem to be reasonble (at least for now), so just return success
4089		*/
4090		if (onSuse)
4091		return 2;
4092
4093		return checkDeviceBootloader(boot, bootSect);
4094	}	}
4095
4096	static char * getInitrdVal(struct grubConfig * config,	int checkForExtLinux(struct grubConfig *config)
4097	const char * prefix, struct singleLine *tmplLine,	{
4098	const char * newKernelInitrd,	int fd;
4099	const char ** extraInitrds, int extraInitrdCount)	unsigned char bootSect[512];
4100	{	char *boot;
4101	char *initrdVal, *end;	char executable[] = "/boot/extlinux/extlinux";
	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;
	}
4102
4103	initrdVal = end = malloc(totalSize);	printf("entered: checkForExtLinux()\n");
4104
4105	end = stpcpy (end, newKernelInitrd + prefixLen);	if (parseSysconfigGrub(NULL, &boot))
4106		return 0;
4107
4108	separatorChar = getKeywordByType(LT_INITRD, config->cfi)->separatorChar;	/* assume grub is not installed -- not an error condition */
4109	for (i = 0; i < extraInitrdCount; i++) {	if (!boot)
4110	const char *extraInitrd;	return 0;
	int j;
4111
4112	extraInitrd = extraInitrds[i] + prefixLen;	fd = open(executable, O_RDONLY);
4113	/* Don't add entries that are already there */	if (fd < 0)
4114	if (tmplLine != NULL) {	/* this doesn't exist if grub hasn't been installed */
4115	for (j = 2; j < tmplLine->numElements; j++)	return 0;
	if (strcmp(extraInitrd, tmplLine->elements[j].item) == 0)
	break;
4116
4117	if (j != tmplLine->numElements)	if (read(fd, bootSect, 512) != 512) {
4118	continue;	fprintf(stderr, _("grubby: unable to read %s: %s\n"),
4119		executable, strerror(errno));
4120		return 1;
4121	}	}
4122		close(fd);
4123
4124	*end++ = separatorChar;	return checkDeviceBootloader(boot, bootSect);
4125	end = stpcpy(end, extraInitrd);	}
4126	}
4127		int checkForYaboot(struct grubConfig *config)
4128		{
4129		/*
4130		* This is a simplistic check that we consider good enough for own puporses
4131		*
4132		* If we were to properly check if yaboot is *installed* we'd need to:
4133		* 1) get the system boot device (LT_BOOT)
4134		* 2) considering it's a raw filesystem, check if the yaboot binary matches
4135		*    the content on the boot device
4136		* 3) if not, copy the binary to a temporary file and run "addnote" on it
4137		* 4) check again if binary and boot device contents match
4138		*/
4139		if (!access("/etc/yaboot.conf", R_OK))
4140		return 2;
4141
4142		return 1;
4143		}
4144
4145		int checkForElilo(struct grubConfig *config)
4146		{
4147		if (!access("/etc/elilo.conf", R_OK))
4148		return 2;
4149
4150	return initrdVal;	return 1;
4151	}	}
4152
4153	int addNewKernel(struct grubConfig * config, struct singleEntry * template,	static char *getRootSpecifier(char *str)
4154	const char * prefix,	{
4155	const char * newKernelPath, const char * newKernelTitle,	char *idx, *rootspec = NULL;
	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;
4156
4157	sprintf(buf, "TITLE=%.*s", config->cfi->maxTitleLength, newKernelTitle);	if (*str == '(') {
4158	while (findEntryByPath(config, buf, NULL, NULL)) {	idx = rootspec = strdup(str);
4159	sprintf(numBuf, "%d", i++);	while (*idx && (*idx != ')') && (!isspace(*idx)))
4160	strcpy(buf + strlen(buf) - strlen(numBuf), numBuf);	idx++;
4161		*(++idx) = '\0';
4162	}	}
4163		return rootspec;
4164		}
4165
4166	newKernelTitle = buf + 6;	static char *getInitrdVal(struct grubConfig *config,
4167	}	const char *prefix, struct singleLine *tmplLine,
4168		const char *newKernelInitrd,
4169		const char **extraInitrds, int extraInitrdCount)
4170		{
4171		char *initrdVal, *end;
4172		int i;
4173		size_t totalSize;
4174		size_t prefixLen;
4175		char separatorChar;
4176
4177		prefixLen = strlen(prefix);
4178		totalSize = strlen(newKernelInitrd) - prefixLen + 1 /* \0 */ ;
4179
4180		for (i = 0; i < extraInitrdCount; i++) {
4181		totalSize += sizeof(separatorChar);
4182		totalSize += strlen(extraInitrds[i]) - prefixLen;
4183		}
4184
4185		initrdVal = end = malloc(totalSize);
4186
4187		end = stpcpy(end, newKernelInitrd + prefixLen);
4188
4189		separatorChar = getKeywordByType(LT_INITRD, config->cfi)->separatorChar;
4190		for (i = 0; i < extraInitrdCount; i++) {
4191		const char *extraInitrd;
4192		int j;
4193
4194		extraInitrd = extraInitrds[i] + prefixLen;
4195		/* Don't add entries that are already there */
4196		if (tmplLine != NULL) {
4197		for (j = 2; j < tmplLine->numElements; j++)
4198		if (strcmp
4199		(extraInitrd,
4200		tmplLine->elements[j].item) == 0)
4201		break;
4202
4203	new = malloc(sizeof(*new));	if (j != tmplLine->numElements)
4204	new->skip = 0;	continue;
4205	new->multiboot = 0;	}
	new->next = config->entries;
	new->lines = NULL;
	config->entries = new;
	/* copy/update from the template */
	needs = NEED_KERNEL | NEED_TITLE;
	if (newKernelInitrd)
	needs |= NEED_INITRD;
	if (newMBKernel) {
	needs |= NEED_MB;
	new->multiboot = 1;
	}
	if (newDevTreePath && getKeywordByType(LT_DEVTREE, config->cfi))
	needs |= NEED_DEVTREE;
4206
4207	if (template) {	*end++ = separatorChar;
4208	for (masterLine = template->lines;	end = stpcpy(end, extraInitrd);
	masterLine && (tmplLine = lineDup(masterLine));
	lineFree(tmplLine), masterLine = masterLine->next)
	{
	dbgPrintf("addNewKernel processing %d\n", tmplLine->type);
	/* 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);
	}
4209	}	}
4210
4211	} else {	return initrdVal;
4212	/* don't have a template, so start the entry with the	}
4213	* appropriate starting line
4214	*/	int addNewKernel(struct grubConfig *config, struct singleEntry *template,
4215	switch (config->cfi->entryStart) {	const char *prefix,
4216	case LT_KERNEL:	const char *newKernelPath, const char *newKernelTitle,
4217	case LT_KERNEL_EFI:	const char *newKernelArgs, const char *newKernelInitrd,
4218	case LT_KERNEL_16:	const char **extraInitrds, int extraInitrdCount,
4219	if (new->multiboot && config->cfi->mbHyperFirst) {	const char *newMBKernel, const char *newMBKernelArgs,
4220	/* fall through to LT_HYPER */	const char *newDevTreePath, int newIndex)
4221	} else {	{
4222	newLine = addLine(new, config->cfi,	struct singleEntry *new, *entry, *prev = NULL;
4223	preferredLineType(LT_KERNEL, config->cfi),	struct singleLine *newLine = NULL, *tmplLine = NULL, *masterLine = NULL;
4224	config->primaryIndent,	int needs;
4225	newKernelPath + strlen(prefix));	char *indexs;
4226	needs &= ~NEED_KERNEL;	char *chptr;
4227	break;	int rc;
4228
4229		if (!newKernelPath)
4230		return 0;
4231
4232		rc = asprintf(&indexs, "%d", newIndex);
4233		if (rc < 0)
4234		return 1;
4235
4236		/* if the newKernelTitle is too long silently munge it into something
4237		* we can live with. truncating is first check, then we'll just mess with
4238		* it until it looks better */
4239		if (config->cfi->maxTitleLength &&
4240		(strlen(newKernelTitle) > config->cfi->maxTitleLength)) {
4241		char *buf = alloca(config->cfi->maxTitleLength + 7);
4242		char *numBuf = alloca(config->cfi->maxTitleLength + 1);
4243		int i = 1;
4244
4245		sprintf(buf, "TITLE=%.*s", config->cfi->maxTitleLength,
4246		newKernelTitle);
4247		while (findEntryByPath(config, buf, NULL, NULL)) {
4248		sprintf(numBuf, "%d", i++);
4249		strcpy(buf + strlen(buf) - strlen(numBuf), numBuf);
4250	}	}
4251
4252	case LT_HYPER:	newKernelTitle = buf + 6;
4253	newLine = addLine(new, config->cfi, LT_HYPER,	}
	config->primaryIndent,
	newMBKernel + strlen(prefix));
	needs &= ~NEED_MB;
	break;
4254
4255	case LT_MENUENTRY: {	new = malloc(sizeof(*new));
4256	char *nkt = malloc(strlen(newKernelTitle)+3);	new->skip = 0;
4257	strcpy(nkt, "'");	new->multiboot = 0;
4258	strcat(nkt, newKernelTitle);	new->lines = NULL;
4259	strcat(nkt, "'");	entry = config->entries;
4260	newLine = addLine(new, config->cfi, LT_MENUENTRY,	for (unsigned int i = 0; i < newIndex; i++) {
4261	config->primaryIndent, nkt);	if (!entry)
4262	free(nkt);	break;
4263	needs &= ~NEED_TITLE;	prev = entry;
4264	needs |= NEED_END;	entry = entry->next;
4265	break;	}
4266	}	new->next = entry;
4267	case LT_TITLE:
4268	if( useextlinuxmenu != 0 ){ // We just need useextlinuxmenu to not be zero (set above)	if (prev)
4269	char * templabel;	prev->next = new;
4270	int x = 0, y = 0;	else
4271		config->entries = new;
4272	templabel = strdup(newKernelTitle);
4273	while( templabel[x]){	/* copy/update from the template */
4274	if( templabel[x] == ' ' ){	needs = NEED_KERNEL | NEED_TITLE;
4275	y = x;	if (newKernelInitrd)
4276	while( templabel[y] ){	needs |= NEED_INITRD;
4277	templabel[y] = templabel[y+1];	if (newMBKernel) {
4278	y++;	needs |= NEED_MB;
4279		new->multiboot = 1;
4280		}
4281		if (newDevTreePath && getKeywordByType(LT_DEVTREE, config->cfi))
4282		needs |= NEED_DEVTREE;
4283
4284		if (template) {
4285		for (masterLine = template->lines;
4286		masterLine && (tmplLine = lineDup(masterLine));
4287		lineFree(tmplLine), masterLine = masterLine->next) {
4288		dbgPrintf("addNewKernel processing %d\n",
4289		tmplLine->type);
4290
4291		/* skip comments */
4292		chptr = tmplLine->indent;
4293		while (*chptr && isspace(*chptr))
4294		chptr++;
4295		if (*chptr == '#')
4296		continue;
4297
4298		if (iskernel(tmplLine->type)
4299		&& tmplLine->numElements >= 2) {
4300		if (!template->multiboot && (needs & NEED_MB)) {
4301		/* it's not a multiboot template and
4302		* this is the kernel line.  Try to
4303		* be intelligent about inserting the
4304		* hypervisor at the same time.
4305		*/
4306		if (config->cfi->mbHyperFirst) {
4307		/* insert the hypervisor first */
4308		newLine =
4309		addLine(new, config->cfi,
4310		LT_HYPER,
4311		tmplLine->indent,
4312		newMBKernel +
4313		strlen(prefix));
4314		/* set up for adding the
4315		* kernel line */
4316		free(tmplLine->indent);
4317		tmplLine->indent =
4318		strdup(config->
4319		secondaryIndent);
4320		needs &= ~NEED_MB;
4321	}	}
4322		if (needs & NEED_KERNEL) {
4323		/* use addLineTmpl to
4324		* preserve line elements,
4325		* otherwise we could just
4326		* call addLine.
4327		* Unfortunately this means
4328		* making some changes to the
4329		* template such as the
4330		* indent change above and
4331		* the type change below.
4332		*/
4333		struct keywordTypes *mbm_kw =
4334		getKeywordByType
4335		(LT_MBMODULE, config->cfi);
4336		if (mbm_kw) {
4337		tmplLine->type =
4338		LT_MBMODULE;
4339		free(tmplLine->
4340		elements[0].item);
4341		tmplLine->elements[0].
4342		item =
4343		strdup(mbm_kw->key);
4344		}
4345		newLine =
4346		addLineTmpl(new, tmplLine,
4347		newLine,
4348		newKernelPath +
4349		strlen(prefix),
4350		config->cfi);
4351		needs &= ~NEED_KERNEL;
4352		}
4353		if (needs & NEED_MB) { /* !mbHyperFirst */
4354		newLine =
4355		addLine(new, config->cfi,
4356		LT_HYPER,
4357		config->
4358		secondaryIndent,
4359		newMBKernel +
4360		strlen(prefix));
4361		needs &= ~NEED_MB;
4362		}
4363		} else if (needs & NEED_KERNEL) {
4364		newLine =
4365		addLineTmpl(new, tmplLine, newLine,
4366		newKernelPath +
4367		strlen(prefix),
4368		config->cfi);
4369		needs &= ~NEED_KERNEL;
4370		}
4371
4372		} else if (tmplLine->type == LT_HYPER &&
4373		tmplLine->numElements >= 2) {
4374		if (needs & NEED_MB) {
4375		newLine =
4376		addLineTmpl(new, tmplLine, newLine,
4377		newMBKernel +
4378		strlen(prefix),
4379		config->cfi);
4380		needs &= ~NEED_MB;
4381		}
4382
4383		} else if (tmplLine->type == LT_MBMODULE &&
4384		tmplLine->numElements >= 2) {
4385		if (new->multiboot) {
4386		if (needs & NEED_KERNEL) {
4387		newLine =
4388		addLineTmpl(new, tmplLine,
4389		newLine,
4390		newKernelPath +
4391		strlen(prefix),
4392		config->cfi);
4393		needs &= ~NEED_KERNEL;
4394		} else if (config->cfi->mbInitRdIsModule
4395		&& (needs & NEED_INITRD)) {
4396		char *initrdVal;
4397		initrdVal =
4398		getInitrdVal(config, prefix,
4399		tmplLine,
4400		newKernelInitrd,
4401		extraInitrds,
4402		extraInitrdCount);
4403		newLine =
4404		addLineTmpl(new, tmplLine,
4405		newLine,
4406		initrdVal,
4407		config->cfi);
4408		free(initrdVal);
4409		needs &= ~NEED_INITRD;
4410		}
4411		} else if (needs & NEED_KERNEL) {
4412		/* template is multi but new is not,
4413		* insert the kernel in the first
4414		* module slot
4415		*/
4416		tmplLine->type =
4417		preferredLineType(LT_KERNEL,
4418		config->cfi);
4419		free(tmplLine->elements[0].item);
4420		tmplLine->elements[0].item =
4421		strdup(getKeywordByType
4422		(tmplLine->type,
4423		config->cfi)->key);
4424		newLine =
4425		addLineTmpl(new, tmplLine, newLine,
4426		newKernelPath +
4427		strlen(prefix),
4428		config->cfi);
4429		needs &= ~NEED_KERNEL;
4430		} else if (needs & NEED_INITRD) {
4431		char *initrdVal;
4432		/* template is multi but new is not,
4433		* insert the initrd in the second
4434		* module slot
4435		*/
4436		tmplLine->type =
4437		preferredLineType(LT_INITRD,
4438		config->cfi);
4439		free(tmplLine->elements[0].item);
4440		tmplLine->elements[0].item =
4441		strdup(getKeywordByType
4442		(tmplLine->type,
4443		config->cfi)->key);
4444		initrdVal =
4445		getInitrdVal(config, prefix,
4446		tmplLine,
4447		newKernelInitrd,
4448		extraInitrds,
4449		extraInitrdCount);
4450		newLine =
4451		addLineTmpl(new, tmplLine, newLine,
4452		initrdVal, config->cfi);
4453		free(initrdVal);
4454		needs &= ~NEED_INITRD;
4455		}
4456
4457		} else if (isinitrd(tmplLine->type)
4458		&& tmplLine->numElements >= 2) {
4459		if (needs & NEED_INITRD && new->multiboot
4460		&& !template->multiboot
4461		&& config->cfi->mbInitRdIsModule) {
4462		/* make sure we don't insert the
4463		* module initrd before the module
4464		* kernel... if we don't do it here,
4465		* it will be inserted following the
4466		* template.
4467		*/
4468		if (!needs & NEED_KERNEL) {
4469		char *initrdVal;
4470
4471		initrdVal =
4472		getInitrdVal(config, prefix,
4473		tmplLine,
4474		newKernelInitrd,
4475		extraInitrds,
4476		extraInitrdCount);
4477		newLine =
4478		addLine(new, config->cfi,
4479		LT_MBMODULE,
4480		config->
4481		secondaryIndent,
4482		initrdVal);
4483		free(initrdVal);
4484		needs &= ~NEED_INITRD;
4485		}
4486		} else if (needs & NEED_INITRD) {
4487		char *initrdVal;
4488		initrdVal =
4489		getInitrdVal(config, prefix,
4490		tmplLine,
4491		newKernelInitrd,
4492		extraInitrds,
4493		extraInitrdCount);
4494		newLine =
4495		addLineTmpl(new, tmplLine, newLine,
4496		initrdVal, config->cfi);
4497		free(initrdVal);
4498		needs &= ~NEED_INITRD;
4499		}
4500
4501		} else if (tmplLine->type == LT_MENUENTRY &&
4502		(needs & NEED_TITLE)) {
4503		requote(tmplLine, config->cfi);
4504		char *nkt = malloc(strlen(newKernelTitle) + 3);
4505		strcpy(nkt, "'");
4506		strcat(nkt, newKernelTitle);
4507		strcat(nkt, "'");
4508		newLine =
4509		addLineTmpl(new, tmplLine, newLine, nkt,
4510		config->cfi);
4511		free(nkt);
4512		needs &= ~NEED_TITLE;
4513		} else if (tmplLine->type == LT_TITLE &&
4514		(needs & NEED_TITLE)) {
4515		if (tmplLine->numElements >= 2) {
4516		newLine =
4517		addLineTmpl(new, tmplLine, newLine,
4518		newKernelTitle,
4519		config->cfi);
4520		needs &= ~NEED_TITLE;
4521		} else if (tmplLine->numElements == 1 &&
4522		config->cfi->titleBracketed) {
4523		/* addLineTmpl doesn't handle
4524		* titleBracketed */
4525		newLine =
4526		addLine(new, config->cfi, LT_TITLE,
4527		tmplLine->indent,
4528		newKernelTitle);
4529		needs &= ~NEED_TITLE;
4530		}
4531		} else if (tmplLine->type == LT_ECHO) {
4532		requote(tmplLine, config->cfi);
4533		static const char *prefix = "'Loading ";
4534		if (tmplLine->numElements > 1 &&
4535		strstr(tmplLine->elements[1].item, prefix)
4536		&& masterLine->next
4537		&& iskernel(masterLine->next->type)) {
4538		char *newTitle =
4539		malloc(strlen(prefix) +
4540		strlen(newKernelTitle) + 2);
4541
4542		strcpy(newTitle, prefix);
4543		strcat(newTitle, newKernelTitle);
4544		strcat(newTitle, "'");
4545		newLine =
4546		addLine(new, config->cfi, LT_ECHO,
4547		tmplLine->indent, newTitle);
4548		free(newTitle);
4549		} else {
4550		/* pass through other lines from the
4551		* template */
4552		newLine =
4553		addLineTmpl(new, tmplLine, newLine,
4554		NULL, config->cfi);
4555	}	}
4556	x++;	} else if (tmplLine->type == LT_DEVTREE &&
4557		tmplLine->numElements == 2
4558		&& newDevTreePath) {
4559		newLine =
4560		addLineTmpl(new, tmplLine, newLine,
4561		newDevTreePath + strlen(prefix),
4562		config->cfi);
4563		needs &= ~NEED_DEVTREE;
4564		} else if (tmplLine->type == LT_ENTRY_END
4565		&& needs & NEED_DEVTREE) {
4566		const char *ndtp = newDevTreePath;
4567		if (!strncmp
4568		(newDevTreePath, prefix, strlen(prefix)))
4569		ndtp += strlen(prefix);
4570		newLine = addLine(new, config->cfi, LT_DEVTREE,
4571		config->secondaryIndent,
4572		ndtp);
4573		needs &= ~NEED_DEVTREE;
4574		newLine =
4575		addLineTmpl(new, tmplLine, newLine, NULL,
4576		config->cfi);
4577		} else {
4578		/* pass through other lines from the template */
4579		newLine =
4580		addLineTmpl(new, tmplLine, newLine, NULL,
4581		config->cfi);
4582	}	}
	newLine = addLine(new, config->cfi, LT_TITLE,
	config->primaryIndent, templabel);
	free(templabel);
	}else{
	newLine = addLine(new, config->cfi, LT_TITLE,
	config->primaryIndent, newKernelTitle);
4583	}	}
	needs &= ~NEED_TITLE;
	break;
4584
4585	default:	} else {
4586	abort();	/* don't have a template, so start the entry with the
4587		* appropriate starting line
4588		*/
4589		switch (config->cfi->entryStart) {
4590		case LT_KERNEL:
4591		case LT_KERNEL_EFI:
4592		case LT_KERNEL_16:
4593		if (new->multiboot && config->cfi->mbHyperFirst) {
4594		/* fall through to LT_HYPER */
4595		} else {
4596		newLine = addLine(new, config->cfi,
4597		preferredLineType(LT_KERNEL,
4598		config->
4599		cfi),
4600		config->primaryIndent,
4601		newKernelPath +
4602		strlen(prefix));
4603		needs &= ~NEED_KERNEL;
4604		break;
4605		}
4606
4607		case LT_HYPER:
4608		newLine = addLine(new, config->cfi, LT_HYPER,
4609		config->primaryIndent,
4610		newMBKernel + strlen(prefix));
4611		needs &= ~NEED_MB;
4612		break;
4613
4614		case LT_MENUENTRY:{
4615		char *nkt = malloc(strlen(newKernelTitle) + 3);
4616		strcpy(nkt, "'");
4617		strcat(nkt, newKernelTitle);
4618		strcat(nkt, "'");
4619		newLine =
4620		addLine(new, config->cfi, LT_MENUENTRY,
4621		config->primaryIndent, nkt);
4622		free(nkt);
4623		needs &= ~NEED_TITLE;
4624		needs |= NEED_END;
4625		break;
4626		}
4627		case LT_TITLE:
4628		if (useextlinuxmenu != 0) { // We just need useextlinuxmenu to not be zero (set above)
4629		char *templabel;
4630		int x = 0, y = 0;
4631
4632		templabel = strdup(newKernelTitle);
4633		while (templabel[x]) {
4634		if (templabel[x] == ' ') {
4635		y = x;
4636		while (templabel[y]) {
4637		templabel[y] =
4638		templabel[y + 1];
4639		y++;
4640		}
4641		}
4642		x++;
4643		}
4644		newLine = addLine(new, config->cfi, LT_TITLE,
4645		config->primaryIndent,
4646		templabel);
4647		free(templabel);
4648		} else {
4649		newLine = addLine(new, config->cfi, LT_TITLE,
4650		config->primaryIndent,
4651		newKernelTitle);
4652		}
4653		needs &= ~NEED_TITLE;
4654		break;
4655
4656		default:
4657		abort();
4658		}
4659	}	}
	}
4660
4661	struct singleLine *endLine = NULL;	struct singleLine *endLine = NULL;
4662	endLine = getLineByType(LT_ENTRY_END, new->lines);	endLine = getLineByType(LT_ENTRY_END, new->lines);
4663	if (endLine) {	if (endLine) {
4664	removeLine(new, endLine);	removeLine(new, endLine);
4665	needs |= NEED_END;	needs |= NEED_END;
4666	}	}
4667
4668	/* add the remainder of the lines, i.e. those that either	/* add the remainder of the lines, i.e. those that either
4669	* weren't present in the template, or in the case of no template,	* weren't present in the template, or in the case of no template,
4670	* all the lines following the entryStart.	* all the lines following the entryStart.
4671	*/	*/
4672	if (needs & NEED_TITLE) {	if (needs & NEED_TITLE) {
4673	newLine = addLine(new, config->cfi, LT_TITLE,	newLine = addLine(new, config->cfi, LT_TITLE,
4674	config->secondaryIndent,	config->secondaryIndent, newKernelTitle);
4675	newKernelTitle);	needs &= ~NEED_TITLE;
4676	needs &= ~NEED_TITLE;	}
4677	}	if ((needs & NEED_MB) && config->cfi->mbHyperFirst) {
4678	if ((needs & NEED_MB) && config->cfi->mbHyperFirst) {	newLine = addLine(new, config->cfi, LT_HYPER,
4679	newLine = addLine(new, config->cfi, LT_HYPER,	config->secondaryIndent,
4680	config->secondaryIndent,	newMBKernel + strlen(prefix));
4681	newMBKernel + strlen(prefix));	needs &= ~NEED_MB;
4682	needs &= ~NEED_MB;	}
4683	}	if (needs & NEED_KERNEL) {
4684	if (needs & NEED_KERNEL) {	newLine = addLine(new, config->cfi,
4685	newLine = addLine(new, config->cfi,	(new->multiboot
4686	(new->multiboot && getKeywordByType(LT_MBMODULE,	&& getKeywordByType(LT_MBMODULE,
4687	config->cfi))	config->cfi))
4688	? LT_MBMODULE	? LT_MBMODULE : preferredLineType(LT_KERNEL,
4689	: preferredLineType(LT_KERNEL, config->cfi),	config->
4690	config->secondaryIndent,	cfi),
4691	newKernelPath + strlen(prefix));	config->secondaryIndent,
4692	needs &= ~NEED_KERNEL;	newKernelPath + strlen(prefix));
4693	}	needs &= ~NEED_KERNEL;
4694	if (needs & NEED_MB) {	}
4695	newLine = addLine(new, config->cfi, LT_HYPER,	if (needs & NEED_MB) {
4696	config->secondaryIndent,	newLine = addLine(new, config->cfi, LT_HYPER,
4697	newMBKernel + strlen(prefix));	config->secondaryIndent,
4698	needs &= ~NEED_MB;	newMBKernel + strlen(prefix));
4699	}	needs &= ~NEED_MB;
4700	if (needs & NEED_INITRD) {	}
4701	char *initrdVal;	if (needs & NEED_INITRD) {
4702	initrdVal = getInitrdVal(config, prefix, NULL, newKernelInitrd, extraInitrds, extraInitrdCount);	char *initrdVal;
4703	newLine = addLine(new, config->cfi,	initrdVal =
4704	(new->multiboot && getKeywordByType(LT_MBMODULE,	getInitrdVal(config, prefix, NULL, newKernelInitrd,
4705	config->cfi))	extraInitrds, extraInitrdCount);
4706	? LT_MBMODULE	newLine =
4707	: preferredLineType(LT_INITRD, config->cfi),	addLine(new, config->cfi,
4708	config->secondaryIndent,	(new->multiboot
4709	initrdVal);	&& getKeywordByType(LT_MBMODULE, config->cfi))
4710	free(initrdVal);	? LT_MBMODULE : preferredLineType(LT_INITRD,
4711	needs &= ~NEED_INITRD;	config->cfi),
4712	}	config->secondaryIndent, initrdVal);
4713	if (needs & NEED_DEVTREE) {	free(initrdVal);
4714	newLine = addLine(new, config->cfi, LT_DEVTREE,	needs &= ~NEED_INITRD;
4715	config->secondaryIndent,	}
4716	newDevTreePath);	if (needs & NEED_DEVTREE) {
4717	needs &= ~NEED_DEVTREE;	newLine = addLine(new, config->cfi, LT_DEVTREE,
4718	}	config->secondaryIndent, newDevTreePath);
4719		needs &= ~NEED_DEVTREE;
4720		}
4721
4722	/* NEEDS_END must be last on bootloaders that need it... */	/* NEEDS_END must be last on bootloaders that need it... */
4723	if (needs & NEED_END) {	if (needs & NEED_END) {
4724	newLine = addLine(new, config->cfi, LT_ENTRY_END,	newLine = addLine(new, config->cfi, LT_ENTRY_END,
4725	config->secondaryIndent, NULL);	config->secondaryIndent, NULL);
4726	needs &= ~NEED_END;	needs &= ~NEED_END;
4727	}	}
4728
4729	if (needs) {	if (needs) {
4730	printf(_("grubby: needs=%d, aborting\n"), needs);	printf(_("grubby: needs=%d, aborting\n"), needs);
4731	abort();	abort();
4732	}	}
4733
4734	if (updateImage(config, "0", prefix, newKernelArgs, NULL,	if (updateImage(config, indexs, prefix, newKernelArgs, NULL,
4735	newMBKernelArgs, NULL)) return 1;	newMBKernelArgs, NULL)) {
4736		config->isModified = 1;
4737		return 1;
4738		}
4739
4740	return 0;	return 0;
4741	}	}
4742
4743	static void traceback(int signum)	int main(int argc, const char **argv)
4744	{	{
4745	void *array[40];	poptContext optCon;
4746	size_t size;	const char *grubConfig = NULL;
4747		char *outputFile = NULL;
4748	signal(SIGSEGV, SIG_DFL);	int arg = 0;
4749	memset(array, '\0', sizeof (array));	int flags = 0;
4750	size = backtrace(array, 40);	int badImageOkay = 0;
4751		int configureGrub2 = 0;
4752	fprintf(stderr, "grubby received SIGSEGV!  Backtrace (%ld):\n",	int configureLilo = 0, configureELilo = 0, configureGrub = 0;
4753	(unsigned long)size);	int configureYaboot = 0, configureSilo = 0, configureZipl = 0;
4754	backtrace_symbols_fd(array, size, STDERR_FILENO);	int configureExtLinux = 0;
4755	exit(1);	int bootloaderProbe = 0;
4756	}	int extraInitrdCount = 0;
4757		char *updateKernelPath = NULL;
4758	int main(int argc, const char ** argv) {	char *newKernelPath = NULL;
4759	poptContext optCon;	char *removeKernelPath = NULL;
4760	const char * grubConfig = NULL;	char *newKernelArgs = NULL;
4761	char * outputFile = NULL;	char *newKernelInitrd = NULL;
4762	int arg = 0;	char *newKernelTitle = NULL;
4763	int flags = 0;	char *newDevTreePath = NULL;
4764	int badImageOkay = 0;	char *newMBKernel = NULL;
4765	int configureGrub2 = 0;	char *newMBKernelArgs = NULL;
4766	int configureLilo = 0, configureELilo = 0, configureGrub = 0;	int newIndex = 0;
4767	int configureYaboot = 0, configureSilo = 0, configureZipl = 0;	char *removeMBKernelArgs = NULL;
4768	int configureExtLinux = 0;	char *removeMBKernel = NULL;
4769	int bootloaderProbe = 0;	char *bootPrefix = NULL;
4770	int extraInitrdCount = 0;	char *defaultKernel = NULL;
4771	char * updateKernelPath = NULL;	char *removeArgs = NULL;
4772	char * newKernelPath = NULL;	char *kernelInfo = NULL;
4773	char * removeKernelPath = NULL;	char *extraInitrds[MAX_EXTRA_INITRDS] = { NULL };
4774	char * newKernelArgs = NULL;	char *envPath = NULL;
4775	char * newKernelInitrd = NULL;	const char *chptr = NULL;
4776	char * newKernelTitle = NULL;	struct configFileInfo *cfi = NULL;
4777	char * newDevTreePath = NULL;	struct grubConfig *config;
4778	char * newMBKernel = NULL;	struct singleEntry *template = NULL;
4779	char * newMBKernelArgs = NULL;	int copyDefault = 0, makeDefault = 0;
4780	char * removeMBKernelArgs = NULL;	int displayDefault = 0;
4781	char * removeMBKernel = NULL;	int displayDefaultIndex = 0;
4782	char * bootPrefix = NULL;	int displayDefaultTitle = 0;
4783	char * defaultKernel = NULL;	int defaultIndex = -1;
4784	char * removeArgs = NULL;	struct poptOption options[] = {
4785	char * kernelInfo = NULL;	{"add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0,
4786	char * extraInitrds[MAX_EXTRA_INITRDS] = { NULL };	_("add an entry for the specified kernel"), _("kernel-path")},
4787	char * envPath = NULL;	{"add-multiboot", 0, POPT_ARG_STRING, &newMBKernel, 0,
4788	const char * chptr = NULL;	_("add an entry for the specified multiboot kernel"), NULL},
4789	struct configFileInfo * cfi = NULL;	{"args", 0, POPT_ARG_STRING, &newKernelArgs, 0,
4790	struct grubConfig * config;	_("default arguments for the new kernel or new arguments for "
4791	struct singleEntry * template = NULL;	"kernel being updated"), _("args")},
4792	int copyDefault = 0, makeDefault = 0;	{"mbargs", 0, POPT_ARG_STRING, &newMBKernelArgs, 0,
4793	int displayDefault = 0;	_("default arguments for the new multiboot kernel or "
4794	int displayDefaultIndex = 0;	"new arguments for multiboot kernel being updated"), NULL},
4795	int displayDefaultTitle = 0;	{"bad-image-okay", 0, 0, &badImageOkay, 0,
4796	int defaultIndex = -1;	_
4797	struct poptOption options[] = {	("don't sanity check images in boot entries (for testing only)"),
4798	{ "add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0,	NULL},
4799	_("add an entry for the specified kernel"), _("kernel-path") },	{"boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0,
4800	{ "add-multiboot", 0, POPT_ARG_STRING, &newMBKernel, 0,	_
4801	_("add an entry for the specified multiboot kernel"), NULL },	("filesystem which contains /boot directory (for testing only)"),
4802	{ "args", 0, POPT_ARG_STRING, &newKernelArgs, 0,	_("bootfs")},
	_("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") },
4803	#if defined(__i386__) || defined(__x86_64__) || defined (__powerpc64__) || defined (__ia64__)	#if defined(__i386__) || defined(__x86_64__) || defined (__powerpc64__) || defined (__ia64__)
4804	{ "bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0,	{"bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0,
4805	_("check which bootloader is installed on boot sector") },	_("check which bootloader is installed on boot sector")},
4806	#endif	#endif
4807	{ "config-file", 'c', POPT_ARG_STRING, &grubConfig, 0,	{"config-file", 'c', POPT_ARG_STRING, &grubConfig, 0,
4808	_("path to grub config file to update (\"-\" for stdin)"),	_("path to grub config file to update (\"-\" for stdin)"),
4809	_("path") },	_("path")},
4810	{ "copy-default", 0, 0, &copyDefault, 0,	{"copy-default", 0, 0, &copyDefault, 0,
4811	_("use the default boot entry as a template for the new entry "	_("use the default boot entry as a template for the new entry "
4812	"being added; if the default is not a linux image, or if "	"being added; if the default is not a linux image, or if "
4813	"the kernel referenced by the default image does not exist, "	"the kernel referenced by the default image does not exist, "
4814	"the first linux entry whose kernel does exist is used as the "	"the first linux entry whose kernel does exist is used as the "
4815	"template"), NULL },	"template"), NULL},
4816	{ "debug", 0, 0, &debug, 0,	{"debug", 0, 0, &debug, 0,
4817	_("print debugging information for failures") },	_("print debugging information for failures")},
4818	{ "default-kernel", 0, 0, &displayDefault, 0,	{"default-kernel", 0, 0, &displayDefault, 0,
4819	_("display the path of the default kernel") },	_("display the path of the default kernel")},
4820	{ "default-index", 0, 0, &displayDefaultIndex, 0,	{"default-index", 0, 0, &displayDefaultIndex, 0,
4821	_("display the index of the default kernel") },	_("display the index of the default kernel")},
4822	{ "default-title", 0, 0, &displayDefaultTitle, 0,	{"default-title", 0, 0, &displayDefaultTitle, 0,
4823	_("display the title of the default kernel") },	_("display the title of the default kernel")},
4824	{ "devtree", 0, POPT_ARG_STRING, &newDevTreePath, 0,	{"devtree", 0, POPT_ARG_STRING, &newDevTreePath, 0,
4825	_("device tree file for new stanza"), _("dtb-path") },	_("device tree file for new stanza"), _("dtb-path")},
4826	{ "devtreedir", 0, POPT_ARG_STRING, &newDevTreePath, 0,	{"devtreedir", 0, POPT_ARG_STRING, &newDevTreePath, 0,
4827	_("device tree directory for new stanza"), _("dtb-path") },	_("device tree directory for new stanza"), _("dtb-path")},
4828	{ "elilo", 0, POPT_ARG_NONE, &configureELilo, 0,	{"elilo", 0, POPT_ARG_NONE, &configureELilo, 0,
4829	_("configure elilo bootloader") },	_("configure elilo bootloader")},
4830	{ "efi", 0, POPT_ARG_NONE, &isEfi, 0,	{"efi", 0, POPT_ARG_NONE, &isEfi, 0,
4831	_("force grub2 stanzas to use efi") },	_("force grub2 stanzas to use efi")},
4832	{ "env", 0, POPT_ARG_STRING, &envPath, 0,	{"env", 0, POPT_ARG_STRING, &envPath, 0,
4833	_("path for environment data"),	_("path for environment data"),
4834	_("path") },	_("path")},
4835	{ "extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0,	{"extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0,
4836	_("configure extlinux bootloader (from syslinux)") },	_("configure extlinux bootloader (from syslinux)")},
4837	{ "grub", 0, POPT_ARG_NONE, &configureGrub, 0,	{"grub", 0, POPT_ARG_NONE, &configureGrub, 0,
4838	_("configure grub bootloader") },	_("configure grub bootloader")},
4839	{ "grub2", 0, POPT_ARG_NONE, &configureGrub2, 0,	{"grub2", 0, POPT_ARG_NONE, &configureGrub2, 0,
4840	_("configure grub2 bootloader") },	_("configure grub2 bootloader")},
4841	{ "info", 0, POPT_ARG_STRING, &kernelInfo, 0,	{"info", 0, POPT_ARG_STRING, &kernelInfo, 0,
4842	_("display boot information for specified kernel"),	_("display boot information for specified kernel"),
4843	_("kernel-path") },	_("kernel-path")},
4844	{ "initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0,	{"initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0,
4845	_("initrd image for the new kernel"), _("initrd-path") },	_("initrd image for the new kernel"), _("initrd-path")},
4846	{ "extra-initrd", 'i', POPT_ARG_STRING, NULL, 'i',	{"extra-initrd", 'i', POPT_ARG_STRING, NULL, 'i',
4847	_("auxiliary initrd image for things other than the new kernel"), _("initrd-path") },	_
4848	{ "lilo", 0, POPT_ARG_NONE, &configureLilo, 0,	("auxiliary initrd image for things other than the new kernel"),
4849	_("configure lilo bootloader") },	_("initrd-path")},
4850	{ "make-default", 0, 0, &makeDefault, 0,	{"lilo", 0, POPT_ARG_NONE, &configureLilo, 0,
4851	_("make the newly added entry the default boot entry"), NULL },	_("configure lilo bootloader")},
4852	{ "output-file", 'o', POPT_ARG_STRING, &outputFile, 0,	{"make-default", 0, 0, &makeDefault, 0,
4853	_("path to output updated config file (\"-\" for stdout)"),	_("make the newly added entry the default boot entry"), NULL},
4854	_("path") },	{"output-file", 'o', POPT_ARG_STRING, &outputFile, 0,
4855	{ "remove-args", 0, POPT_ARG_STRING, &removeArgs, 0,	_("path to output updated config file (\"-\" for stdout)"),
4856	_("remove kernel arguments"), NULL },	_("path")},
4857	{ "remove-mbargs", 0, POPT_ARG_STRING, &removeMBKernelArgs, 0,	{"remove-args", 0, POPT_ARG_STRING, &removeArgs, 0,
4858	_("remove multiboot kernel arguments"), NULL },	_("remove kernel arguments"), NULL},
4859	{ "remove-kernel", 0, POPT_ARG_STRING, &removeKernelPath, 0,	{"remove-mbargs", 0, POPT_ARG_STRING, &removeMBKernelArgs, 0,
4860	_("remove all entries for the specified kernel"),	_("remove multiboot kernel arguments"), NULL},
4861	_("kernel-path") },	{"remove-kernel", 0, POPT_ARG_STRING, &removeKernelPath, 0,
4862	{ "remove-multiboot", 0, POPT_ARG_STRING, &removeMBKernel, 0,	_("remove all entries for the specified kernel"),
4863	_("remove all entries for the specified multiboot kernel"), NULL },	_("kernel-path")},
4864	{ "set-default", 0, POPT_ARG_STRING, &defaultKernel, 0,	{"remove-multiboot", 0, POPT_ARG_STRING, &removeMBKernel, 0,
4865	_("make the first entry referencing the specified kernel "	_("remove all entries for the specified multiboot kernel"),
4866	"the default"), _("kernel-path") },	NULL},
4867	{ "set-default-index", 0, POPT_ARG_INT, &defaultIndex, 0,	{"set-default", 0, POPT_ARG_STRING, &defaultKernel, 0,
4868	_("make the given entry index the default entry"),	_("make the first entry referencing the specified kernel "
4869	_("entry-index") },	"the default"), _("kernel-path")},
4870	{ "silo", 0, POPT_ARG_NONE, &configureSilo, 0,	{"set-default-index", 0, POPT_ARG_INT, &defaultIndex, 0,
4871	_("configure silo bootloader") },	_("make the given entry index the default entry"),
4872	{ "title", 0, POPT_ARG_STRING, &newKernelTitle, 0,	_("entry-index")},
4873	_("title to use for the new kernel entry"), _("entry-title") },	{"set-index", 0, POPT_ARG_INT, &newIndex, 0,
4874	{ "update-kernel", 0, POPT_ARG_STRING, &updateKernelPath, 0,	_("use the given index when creating a new entry"),
4875	_("updated information for the specified kernel"),	_("entry-index")},
4876	_("kernel-path") },	{"silo", 0, POPT_ARG_NONE, &configureSilo, 0,
4877	{ "version", 'v', 0, NULL, 'v',	_("configure silo bootloader")},
4878	_("print the version of this program and exit"), NULL },	{"title", 0, POPT_ARG_STRING, &newKernelTitle, 0,
4879	{ "yaboot", 0, POPT_ARG_NONE, &configureYaboot, 0,	_("title to use for the new kernel entry"), _("entry-title")},
4880	_("configure yaboot bootloader") },	{"update-kernel", 0, POPT_ARG_STRING, &updateKernelPath, 0,
4881	{ "zipl", 0, POPT_ARG_NONE, &configureZipl, 0,	_("updated information for the specified kernel"),
4882	_("configure zipl bootloader") },	_("kernel-path")},
4883	POPT_AUTOHELP	{"version", 'v', 0, NULL, 'v',
4884	{ 0, 0, 0, 0, 0 }	_("print the version of this program and exit"), NULL},
4885	};	{"yaboot", 0, POPT_ARG_NONE, &configureYaboot, 0,
4886		_("configure yaboot bootloader")},
4887	useextlinuxmenu=0;	{"zipl", 0, POPT_ARG_NONE, &configureZipl, 0,
4888		_("configure zipl bootloader")},
4889	signal(SIGSEGV, traceback);	POPT_AUTOHELP {0, 0, 0, 0, 0}
4890		};
4891	int i = 0;
4892	for (int j = 1; j < argc; j++)	useextlinuxmenu = 0;
4893	i += strlen(argv[j]) + 1;
4894	saved_command_line = malloc(i);	int i = 0;
4895	if (!saved_command_line) {	for (int j = 1; j < argc; j++)
4896	fprintf(stderr, "grubby: %m\n");	i += strlen(argv[j]) + 1;
4897	exit(1);	saved_command_line = malloc(i);
4898	}	if (!saved_command_line) {
4899	saved_command_line[0] = '\0';	fprintf(stderr, "grubby: %m\n");
4900	for (int j = 1; j < argc; j++) {	exit(1);
4901	strcat(saved_command_line, argv[j]);	}
4902	strncat(saved_command_line, j == argc -1 ? "" : " ", 1);	saved_command_line[0] = '\0';
4903	}	for (int j = 1; j < argc; j++) {
4904		strcat(saved_command_line, argv[j]);
4905	optCon = poptGetContext("grubby", argc, argv, options, 0);	strncat(saved_command_line, j == argc - 1 ? "" : " ", 1);
4906	poptReadDefaultConfig(optCon, 1);	}
4907
4908		optCon = poptGetContext("grubby", argc, argv, options, 0);
4909		poptReadDefaultConfig(optCon, 1);
4910
4911		while ((arg = poptGetNextOpt(optCon)) >= 0) {
4912		switch (arg) {
4913		case 'v':
4914		printf("grubby version %s\n", VERSION);
4915		exit(0);
4916		break;
4917		case 'i':
4918		if (extraInitrdCount < MAX_EXTRA_INITRDS) {
4919		extraInitrds[extraInitrdCount++] =
4920		strdup(poptGetOptArg(optCon));
4921		} else {
4922		fprintf(stderr,
4923		_
4924		("grubby: extra initrd maximum is %d\n"),
4925		extraInitrdCount);
4926		return 1;
4927		}
4928		break;
4929		}
4930		}
4931
4932	while ((arg = poptGetNextOpt(optCon)) >= 0) {	if (arg < -1) {
4933	switch (arg) {	fprintf(stderr, _("grubby: bad argument %s: %s\n"),
4934	case 'v':	poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
4935	printf("grubby version %s\n", VERSION);	poptStrerror(arg));
	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);
4936	return 1;	return 1;
	}
	break;
4937	}	}
	}
	if (arg < -1) {
	fprintf(stderr, _("grubby: bad argument %s: %s\n"),
	poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
	poptStrerror(arg));
	return 1;
	}
	if ((chptr = poptGetArg(optCon))) {
	fprintf(stderr, _("grubby: unexpected argument %s\n"), chptr);
	return 1;
	}
4938
4939	if ((configureLilo + configureGrub2 + configureGrub + configureELilo +	if ((chptr = poptGetArg(optCon))) {
4940	configureYaboot + configureSilo + configureZipl +	fprintf(stderr, _("grubby: unexpected argument %s\n"), chptr);
4941	configureExtLinux ) > 1) {	return 1;
4942	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;
	}
4943
4944	if (!cfi) {	if ((configureLilo + configureGrub2 + configureGrub + configureELilo +
4945	if (grub2FindConfig(&grub2ConfigType))	configureYaboot + configureSilo + configureZipl +
4946	cfi = &grub2ConfigType;	configureExtLinux) > 1) {
4947	else	fprintf(stderr,
4948	#ifdef __ia64__	_("grubby: cannot specify multiple bootloaders\n"));
4949	cfi = &eliloConfigType;	return 1;
4950	#elif __powerpc__	} else if (bootloaderProbe && grubConfig) {
4951	cfi = &yabootConfigType;	fprintf(stderr,
4952	#elif __sparc__	_
4953	cfi = &siloConfigType;	("grubby: cannot specify config file with --bootloader-probe\n"));
4954	#elif __s390__	return 1;
4955	cfi = &ziplConfigType;	} else if (configureGrub2) {
4956	#elif __s390x__	cfi = &grub2ConfigType;
4957	cfi = &ziplConfigtype;	if (envPath)
4958	#else	cfi->envFile = envPath;
4959	cfi = &grubConfigType;	} else if (configureLilo) {
4960	#endif	cfi = &liloConfigType;
4961	}	} else if (configureGrub) {
4962		cfi = &grubConfigType;
4963		} else if (configureELilo) {
4964		cfi = &eliloConfigType;
4965		} else if (configureYaboot) {
4966		cfi = &yabootConfigType;
4967		} else if (configureSilo) {
4968		cfi = &siloConfigType;
4969		} else if (configureZipl) {
4970		cfi = &ziplConfigType;
4971		} else if (configureExtLinux) {
4972		cfi = &extlinuxConfigType;
4973		useextlinuxmenu = 1;
4974		}
4975
4976		if (!cfi) {
4977		if (grub2FindConfig(&grub2ConfigType)) {
4978		cfi = &grub2ConfigType;
4979		if (envPath)
4980		cfi->envFile = envPath;
4981		} else
4982		#ifdef __ia64__
4983		cfi = &eliloConfigType;
4984		#elif __powerpc__
4985		cfi = &yabootConfigType;
4986		#elif __sparc__
4987		cfi = &siloConfigType;
4988		#elif __s390__
4989		cfi = &ziplConfigType;
4990		#elif __s390x__
4991		cfi = &ziplConfigtype;
4992		#else
4993		cfi = &grubConfigType;
4994		#endif
4995		}
4996
4997	if (!grubConfig) {	if (!grubConfig) {
4998	if (cfi->findConfig)	if (cfi->findConfig)
4999	grubConfig = cfi->findConfig(cfi);	grubConfig = cfi->findConfig(cfi);
5000	if (!grubConfig)	if (!grubConfig)
5001	grubConfig = cfi->defaultConfig;	grubConfig = cfi->defaultConfig;
5002	}	}
5003
5004	if (bootloaderProbe && (displayDefault || kernelInfo ||	if (bootloaderProbe && (displayDefault || kernelInfo ||
5005	newKernelPath || removeKernelPath || makeDefault ||	newKernelPath || removeKernelPath || makeDefault
5006	defaultKernel || displayDefaultIndex || displayDefaultTitle ||	|| defaultKernel || displayDefaultIndex
5007	(defaultIndex >= 0))) {	|| displayDefaultTitle
5008	fprintf(stderr, _("grubby: --bootloader-probe may not be used with "	|| (defaultIndex >= 0))) {
5009		fprintf(stderr,
5010		_("grubby: --bootloader-probe may not be used with "
5011	"specified option"));	"specified option"));
5012	return 1;	return 1;
5013	}	}
5014
5015	if ((displayDefault || kernelInfo) && (newKernelPath ||	if ((displayDefault || kernelInfo) && (newKernelPath ||
5016	removeKernelPath)) {	removeKernelPath)) {
5017	fprintf(stderr, _("grubby: --default-kernel and --info may not "	fprintf(stderr, _("grubby: --default-kernel and --info may not "
5018	"be used when adding or removing kernels\n"));	"be used when adding or removing kernels\n"));
5019	return 1;	return 1;
5020	}	}
5021
5022	if (newKernelPath && !newKernelTitle) {	if (newKernelPath && !newKernelTitle) {
5023	fprintf(stderr, _("grubby: kernel title must be specified\n"));	fprintf(stderr, _("grubby: kernel title must be specified\n"));
5024	return 1;	return 1;
5025	} else if (!newKernelPath && (copyDefault ||	} else if (!newKernelPath && (copyDefault ||
5026	(newKernelInitrd && !updateKernelPath)||	(newKernelInitrd && !updateKernelPath) ||
5027	makeDefault || extraInitrdCount > 0)) {	makeDefault || extraInitrdCount > 0)) {
5028	fprintf(stderr, _("grubby: kernel path expected\n"));	fprintf(stderr, _("grubby: kernel path expected\n"));
5029	return 1;	return 1;
5030	}	}
5031
5032	if (newKernelPath && updateKernelPath) {	if (newKernelPath && updateKernelPath) {
5033	fprintf(stderr, _("grubby: --add-kernel and --update-kernel may"	fprintf(stderr, _("grubby: --add-kernel and --update-kernel may"
5034	"not be used together"));	"not be used together"));
5035	return 1;	return 1;
5036	}	}
5037
5038	if (makeDefault && defaultKernel) {	if (makeDefault && defaultKernel) {
5039	fprintf(stderr, _("grubby: --make-default and --default-kernel "	fprintf(stderr, _("grubby: --make-default and --default-kernel "
5040	"may not be used together\n"));	"may not be used together\n"));
5041	return 1;	return 1;
5042	} else if (defaultKernel && removeKernelPath &&	} else if (defaultKernel && removeKernelPath &&
5043	!strcmp(defaultKernel, removeKernelPath)) {	!strcmp(defaultKernel, removeKernelPath)) {
5044	fprintf(stderr, _("grubby: cannot make removed kernel the default\n"));	fprintf(stderr,
5045	return 1;	_("grubby: cannot make removed kernel the default\n"));
5046	} else if (defaultKernel && newKernelPath &&	return 1;
5047	!strcmp(defaultKernel, newKernelPath)) {	} else if (defaultKernel && newKernelPath &&
5048	makeDefault = 1;	!strcmp(defaultKernel, newKernelPath)) {
5049	defaultKernel = NULL;	makeDefault = 1;
5050	}	defaultKernel = NULL;
5051	else if (defaultKernel && (defaultIndex >= 0)) {	} else if (defaultKernel && (defaultIndex >= 0)) {
5052	fprintf(stderr, _("grubby: --set-default and --set-default-index "	fprintf(stderr,
5053		_("grubby: --set-default and --set-default-index "
5054	"may not be used together\n"));	"may not be used together\n"));
5055	return 1;	return 1;
5056	}	}
5057
5058	if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) {	if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) {
5059	fprintf(stderr, _("grubby: output file must be specified if stdin "	fprintf(stderr,
5060	"is used\n"));	_("grubby: output file must be specified if stdin "
5061	return 1;	"is used\n"));
5062	}	return 1;
5063		}
5064
5065	if (!removeKernelPath && !newKernelPath && !displayDefault && !defaultKernel	if (!removeKernelPath && !newKernelPath && !displayDefault
5066	&& !kernelInfo && !bootloaderProbe && !updateKernelPath	&& !defaultKernel && !kernelInfo && !bootloaderProbe
5067	&& !removeMBKernel && !displayDefaultIndex && !displayDefaultTitle	&& !updateKernelPath && !removeMBKernel && !displayDefaultIndex
5068	&& (defaultIndex == -1)) {	&& !displayDefaultTitle && (defaultIndex == -1)) {
5069	fprintf(stderr, _("grubby: no action specified\n"));	fprintf(stderr, _("grubby: no action specified\n"));
5070	return 1;	return 1;
5071	}	}
5072
5073	flags |= badImageOkay ? GRUBBY_BADIMAGE_OKAY : 0;	flags |= badImageOkay ? GRUBBY_BADIMAGE_OKAY : 0;
5074
5075	if (cfi->needsBootPrefix) {	if (cfi->needsBootPrefix) {
5076	if (!bootPrefix) {	if (!bootPrefix) {
5077	bootPrefix = findBootPrefix();	bootPrefix = findBootPrefix();
5078	if (!bootPrefix) return 1;	if (!bootPrefix)
5079		return 1;
5080		} else {
5081		/* this shouldn't end with a / */
5082		if (bootPrefix[strlen(bootPrefix) - 1] == '/')
5083		bootPrefix[strlen(bootPrefix) - 1] = '\0';
5084		}
5085	} else {	} else {
5086	/* this shouldn't end with a / */	bootPrefix = "";
	if (bootPrefix[strlen(bootPrefix) - 1] == '/')
	bootPrefix[strlen(bootPrefix) - 1] = '\0';
5087	}	}
	} else {
	bootPrefix = "";
	}
5088
5089	if (!cfi->mbAllowExtraInitRds &&	if (!cfi->mbAllowExtraInitRds && extraInitrdCount > 0) {
5090	extraInitrdCount > 0) {	fprintf(stderr,
5091	fprintf(stderr, _("grubby: %s doesn't allow multiple initrds\n"), cfi->defaultConfig);	_("grubby: %s doesn't allow multiple initrds\n"),
5092	return 1;	cfi->defaultConfig);
5093	}	return 1;
5094		}
5095
5096	if (bootloaderProbe) {	if (bootloaderProbe) {
5097	int lrc = 0, grc = 0, gr2c = 0, extrc = 0, yrc = 0, erc = 0;	int lrc = 0, grc = 0, gr2c = 0, extrc = 0, yrc = 0, erc = 0;
5098	struct grubConfig * lconfig, * gconfig, * yconfig, * econfig;	struct grubConfig *lconfig, *gconfig, *yconfig, *econfig;
5099
5100	const char *grub2config = grub2FindConfig(&grub2ConfigType);	const char *grub2config = grub2FindConfig(&grub2ConfigType);
5101	if (grub2config) {	if (grub2config) {
5102	gconfig = readConfig(grub2config, &grub2ConfigType);	gconfig = readConfig(grub2config, &grub2ConfigType);
5103	if (!gconfig)	if (!gconfig)
5104	gr2c = 1;	gr2c = 1;
5105	else	else
5106	gr2c = checkForGrub2(gconfig);	gr2c = checkForGrub2(gconfig);
5107	}	}
	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");
5108
5109	return 0;	const char *grubconfig = grubFindConfig(&grubConfigType);
5110	}	if (!access(grubconfig, F_OK)) {
5111		gconfig = readConfig(grubconfig, &grubConfigType);
5112		if (!gconfig)
5113		grc = 1;
5114		else
5115		grc = checkForGrub(gconfig);
5116		}
5117
5118	if (grubConfig == NULL) {	if (!access(liloConfigType.defaultConfig, F_OK)) {
5119	printf("Could not find bootloader configuration file.\n");	lconfig =
5120	exit(1);	readConfig(liloConfigType.defaultConfig,
5121	}	&liloConfigType);
5122		if (!lconfig)
5123		lrc = 1;
5124		else
5125		lrc = checkForLilo(lconfig);
5126		}
5127
5128	config = readConfig(grubConfig, cfi);	if (!access(eliloConfigType.defaultConfig, F_OK)) {
5129	if (!config) return 1;	econfig = readConfig(eliloConfigType.defaultConfig,
5130		&eliloConfigType);
5131		if (!econfig)
5132		erc = 1;
5133		else
5134		erc = checkForElilo(econfig);
5135		}
5136
5137	if (displayDefault) {	if (!access(extlinuxConfigType.defaultConfig, F_OK)) {
5138	struct singleLine * line;	lconfig =
5139	struct singleEntry * entry;	readConfig(extlinuxConfigType.defaultConfig,
5140	char * rootspec;	&extlinuxConfigType);
5141		if (!lconfig)
5142	if (config->defaultImage == -1) return 0;	extrc = 1;
5143	if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&	else
5144	cfi->defaultIsSaved)	extrc = checkForExtLinux(lconfig);
5145	config->defaultImage = 0;	}
	entry = findEntryByIndex(config, config->defaultImage);
	if (!entry) return 0;
	if (!suitableImage(entry, bootPrefix, 0, flags)) return 0;
	line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);
	if (!line) return 0;
	rootspec = getRootSpecifier(line->elements[1].item);
	printf("%s%s\n", bootPrefix, line->elements[1].item +
	((rootspec != NULL) ? strlen(rootspec) : 0));
5146
5147	return 0;	if (!access(yabootConfigType.defaultConfig, F_OK)) {
5148		yconfig = readConfig(yabootConfigType.defaultConfig,
5149		&yabootConfigType);
5150		if (!yconfig)
5151		yrc = 1;
5152		else
5153		yrc = checkForYaboot(yconfig);
5154		}
5155
5156	} else if (displayDefaultTitle) {	if (lrc == 1 || grc == 1 || gr2c == 1 || extrc == 1 || yrc == 1
5157	struct singleLine * line;	|| erc == 1)
5158	struct singleEntry * entry;	return 1;
	if (config->defaultImage == -1) return 0;
	if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
	cfi->defaultIsSaved)
	config->defaultImage = 0;
	entry = findEntryByIndex(config, config->defaultImage);
	if (!entry) return 0;
	if (!configureGrub2) {
	line = getLineByType(LT_TITLE, entry->lines);
	if (!line) return 0;
	printf("%s\n", line->elements[1].item);
5159
5160	} else {	if (lrc == 2)
5161	char * title;	printf("lilo\n");
5162		if (gr2c == 2)
5163		printf("grub2\n");
5164		if (grc == 2)
5165		printf("grub\n");
5166		if (extrc == 2)
5167		printf("extlinux\n");
5168		if (yrc == 2)
5169		printf("yaboot\n");
5170		if (erc == 2)
5171		printf("elilo\n");
5172
5173	dbgPrintf("This is GRUB2, default title is embeded in menuentry\n");	return 0;
	line = getLineByType(LT_MENUENTRY, entry->lines);
	if (!line) return 0;
	title = grub2ExtractTitle(line);
	if (title)
	printf("%s\n", title);
5174	}	}
	return 0;
5175
5176	} else if (displayDefaultIndex) {	if (grubConfig == NULL) {
5177	if (config->defaultImage == -1) return 0;	printf("Could not find bootloader configuration file.\n");
5178	if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&	exit(1);
5179	cfi->defaultIsSaved)	}
5180	config->defaultImage = 0;
5181	printf("%i\n", config->defaultImage);	config = readConfig(grubConfig, cfi);
5182	return 0;	if (!config)
5183		return 1;
5184	} else if (kernelInfo)
5185	return displayInfo(config, kernelInfo, bootPrefix);	if (displayDefault) {
5186		struct singleLine *line;
5187	if (copyDefault) {	struct singleEntry *entry;
5188	template = findTemplate(config, bootPrefix, NULL, 0, flags);	char *rootspec;
5189	if (!template) return 1;
5190	}	if (config->defaultImage == NO_DEFAULT_ENTRY)
5191		return 0;
5192		if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
5193		cfi->defaultIsSaved)
5194		config->defaultImage = FIRST_ENTRY_INDEX;
5195		entry = findEntryByIndex(config, config->defaultImage);
5196		if (!entry)
5197		return 0;
5198		if (!suitableImage(entry, bootPrefix, 0, flags))
5199		return 0;
5200
5201		line =
5202		getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI |
5203		LT_KERNEL_16, entry->lines);
5204		if (!line)
5205		return 0;
5206
5207		rootspec = getRootSpecifier(line->elements[1].item);
5208		printf("%s%s\n", bootPrefix, line->elements[1].item +
5209		((rootspec != NULL) ? strlen(rootspec) : 0));
5210
5211		return 0;
5212
5213		} else if (displayDefaultTitle) {
5214		struct singleLine *line;
5215		struct singleEntry *entry;
5216
5217		if (config->defaultImage == NO_DEFAULT_ENTRY)
5218		return 0;
5219		if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
5220		cfi->defaultIsSaved)
5221		config->defaultImage = FIRST_ENTRY_INDEX;
5222		entry = findEntryByIndex(config, config->defaultImage);
5223		if (!entry)
5224		return 0;
5225
5226		if (!configureGrub2) {
5227		char *title;
5228		line = getLineByType(LT_TITLE, entry->lines);
5229		if (!line)
5230		return 0;
5231		title = extractTitle(config, line);
5232		if (!title)
5233		return 0;
5234		printf("%s\n", title);
5235		free(title);
5236		} else {
5237		char *title;
5238
5239		dbgPrintf
5240		("This is GRUB2, default title is embeded in menuentry\n");
5241		line = getLineByType(LT_MENUENTRY, entry->lines);
5242		if (!line)
5243		return 0;
5244		title = grub2ExtractTitle(line);
5245		if (title)
5246		printf("%s\n", title);
5247		}
5248		return 0;
5249
5250		} else if (displayDefaultIndex) {
5251		if (config->defaultImage == NO_DEFAULT_ENTRY)
5252		return 0;
5253		if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
5254		cfi->defaultIsSaved)
5255		config->defaultImage = FIRST_ENTRY_INDEX;
5256		printf("%i\n", config->defaultImage);
5257		return 0;
5258
5259		} else if (kernelInfo)
5260		return displayInfo(config, kernelInfo, bootPrefix);
5261
5262	markRemovedImage(config, removeKernelPath, bootPrefix);	if (copyDefault) {
5263	markRemovedImage(config, removeMBKernel, bootPrefix);	template = findTemplate(config, bootPrefix, NULL, 0, flags);
5264	setDefaultImage(config, newKernelPath != NULL, defaultKernel, makeDefault,	if (!template)
5265	bootPrefix, flags, defaultIndex);	return 1;
5266	setFallbackImage(config, newKernelPath != NULL);	}
5267	if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs,
5268	removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1;	markRemovedImage(config, removeKernelPath, bootPrefix);
5269	if (updateKernelPath && newKernelInitrd) {	markRemovedImage(config, removeMBKernel, bootPrefix);
5270	if (newMBKernel) {	setDefaultImage(config, newKernelPath != NULL, defaultKernel,
5271	if (addMBInitrd(config, newMBKernel, updateKernelPath,	makeDefault, bootPrefix, flags, defaultIndex);
5272		setFallbackImage(config, newKernelPath != NULL);
5273		if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs,
5274		removeArgs, newMBKernelArgs, removeMBKernelArgs))
5275		return 1;
5276		if (updateKernelPath && newKernelInitrd) {
5277		if (newMBKernel) {
5278		if (addMBInitrd(config, newMBKernel, updateKernelPath,
5279	bootPrefix, newKernelInitrd,	bootPrefix, newKernelInitrd,
5280	newKernelTitle))	newKernelTitle))
5281	return 1;	return 1;
5282	} else {	} else {
5283	if (updateInitrd(config, updateKernelPath, bootPrefix,	if (updateInitrd(config, updateKernelPath, bootPrefix,
5284	newKernelInitrd, newKernelTitle))	newKernelInitrd, newKernelTitle))
5285	return 1;	return 1;
5286	}	}
5287	}	}
5288	if (addNewKernel(config, template, bootPrefix, newKernelPath,	if (addNewKernel(config, template, bootPrefix, newKernelPath,
5289	newKernelTitle, newKernelArgs, newKernelInitrd,	newKernelTitle, newKernelArgs, newKernelInitrd,
5290	(const char **)extraInitrds, extraInitrdCount,	(const char **)extraInitrds, extraInitrdCount,
5291	newMBKernel, newMBKernelArgs, newDevTreePath)) return 1;	newMBKernel, newMBKernelArgs, newDevTreePath,
5292		newIndex))
5293		return 1;
5294	if (numEntries(config) == 0) {
5295	fprintf(stderr, _("grubby: doing this would leave no kernel entries. "	if (numEntries(config) == 0) {
5296	"Not writing out new config.\n"));	fprintf(stderr,
5297	return 1;	_("grubby: doing this would leave no kernel entries. "
5298	}	"Not writing out new config.\n"));
5299		return 1;
5300		}
5301
5302	if (!outputFile)	if (!outputFile)
5303	outputFile = (char *)grubConfig;	outputFile = (char *)grubConfig;
5304
5305	return writeConfig(config, outputFile, bootPrefix);	return writeConfig(config, outputFile, bootPrefix);
5306	}	}

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Legend: Removed from v.2977   changed lines   Added in v.3019