Diff of /trunk/grubby/grubby.c

Parent Directory | Revision Log | Patch

	revision 2992 by niro, Thu Jun 30 10:35:14 2016 UTC	revision 3018 by niro, Tue Jun 27 14:37:30 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,	.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+1);
	if (!tmp)
	return NULL;
	tmp[strlen(tmp)-1] = '\0';
	return tmp;
	}
	/* if no quotes, return second word verbatim */
	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;
	/* need to ensure that ' does not match " as we search */
	char quote_char = *current;
	resultMaxSize = sizeOfSingleLine(line);
	result = malloc(resultMaxSize);
	snprintf(result, resultMaxSize, "%s", ++current);
451
452	i++;	i = 1;
	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 (current[current_len-1] != quote_char) {	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,	.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,	.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,	.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,	.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,	.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	};	};
685
686	blkid_cache blkid;	blkid_cache blkid;
687
688	struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index);	struct singleEntry *findEntryByIndex(struct grubConfig *cfg, int index);
689	struct singleEntry * findEntryByPath(struct grubConfig * cfg,	struct singleEntry *findEntryByPath(struct grubConfig *cfg,
690	const char * path, const char * prefix,	const char *path, const char *prefix,
691	int * index);	int *index);
692	struct singleEntry * findEntryByTitle(struct grubConfig * cfg, char *title,	struct singleEntry *findEntryByTitle(struct grubConfig *cfg, char *title,
693	int * index);	int *index);
694	static int readFile(int fd, char ** bufPtr);	static int readFile(int fd, char **bufPtr);
695	static void lineInit(struct singleLine * line);	static void lineInit(struct singleLine *line);
696	struct singleLine * lineDup(struct singleLine * line);	struct singleLine *lineDup(struct singleLine *line);
697	static void lineFree(struct singleLine * line);	static void lineFree(struct singleLine *line);
698	static int lineWrite(FILE * out, struct singleLine * line,	static int lineWrite(FILE * out, struct singleLine *line,
699	struct configFileInfo * cfi);	struct configFileInfo *cfi);
700	static int getNextLine(char ** bufPtr, struct singleLine * line,	static int getNextLine(char **bufPtr, struct singleLine *line,
701	struct configFileInfo * cfi);	struct configFileInfo *cfi);
702	static char * getRootSpecifier(char * str);	static char *getRootSpecifier(char *str);
703	static void requote(struct singleLine *line, struct configFileInfo * cfi);	static void requote(struct singleLine *line, struct configFileInfo *cfi);
704	static void insertElement(struct singleLine * line,	static void insertElement(struct singleLine *line,
705	const char * item, int insertHere,	const char *item, int insertHere,
706	struct configFileInfo * cfi);	struct configFileInfo *cfi);
707	static void removeElement(struct singleLine * line, int removeHere);	static void removeElement(struct singleLine *line, int removeHere);
708	static struct keywordTypes * getKeywordByType(enum lineType_e type,	static struct keywordTypes *getKeywordByType(enum lineType_e type,
709	struct configFileInfo * cfi);	struct configFileInfo *cfi);
710	static enum lineType_e getTypeByKeyword(char * keyword,	static enum lineType_e getTypeByKeyword(char *keyword,
711	struct configFileInfo * cfi);	struct configFileInfo *cfi);
712	static struct singleLine * getLineByType(enum lineType_e type,	static struct singleLine *getLineByType(enum lineType_e type,
713	struct singleLine * line);	struct singleLine *line);
714	static int checkForExtLinux(struct grubConfig * config);	static int checkForExtLinux(struct grubConfig *config);
715	struct singleLine * addLineTmpl(struct singleEntry * entry,	struct singleLine *addLineTmpl(struct singleEntry *entry,
716	struct singleLine * tmplLine,	struct singleLine *tmplLine,
717	struct singleLine * prevLine,	struct singleLine *prevLine,
718	const char * val,	const char *val, struct configFileInfo *cfi);
719	struct configFileInfo * cfi);	struct singleLine *addLine(struct singleEntry *entry,
720	struct singleLine *  addLine(struct singleEntry * entry,	struct configFileInfo *cfi,
721	struct configFileInfo * cfi,	enum lineType_e type, char *defaultIndent,
722	enum lineType_e type, char * defaultIndent,	const char *val);
	const char * val);
723
724	static char * sdupprintf(const char *format, ...)	static char *sdupprintf(const char *format, ...)
725	#ifdef __GNUC__	#ifdef __GNUC__
726	__attribute__ ((format (printf, 1, 2)));	__attribute__ ((format(printf, 1, 2)));
727	#else	#else
728	;	;
729	#endif	#endif
730
731	static char * sdupprintf(const char *format, ...) {	static char *sdupprintf(const char *format, ...)
732	char *buf = NULL;	{
733	char c;	char *buf = NULL;
734	va_list args;	char c;
735	size_t size = 0;	va_list args;
736	va_start(args, format);	size_t size = 0;
737		va_start(args, format);
738	/* XXX requires C99 vsnprintf behavior */
739	size = vsnprintf(&c, 1, format, args) + 1;	/* XXX requires C99 vsnprintf behavior */
740	if (size == -1) {	size = vsnprintf(&c, 1, format, args) + 1;
741	printf("ERROR: vsnprintf behavior is not C99\n");	if (size == -1) {
742	abort();	printf("ERROR: vsnprintf behavior is not C99\n");
743	}	abort();
744		}
745
746	va_end(args);	va_end(args);
747	va_start(args, format);	va_start(args, format);
748
749	buf = malloc(size);	buf = malloc(size);
750	if (buf == NULL)	if (buf == NULL)
751	return NULL;	return NULL;
752	vsnprintf(buf, size, format, args);	vsnprintf(buf, size, format, args);
753	va_end (args);	va_end(args);
754
755		return buf;
756		}
757
758	return buf;	static inline int
759		kwcmp(struct keywordTypes *kw, const char * label, int case_insensitive)
760		{
761		int kwl = strlen(kw->key);
762		int ll = strlen(label);
763		int rc;
764		int (*snc)(const char *s1, const char *s2, size_t n) =
765		case_insensitive ? strncasecmp : strncmp;
766		int (*sc)(const char *s1, const char *s2) =
767		case_insensitive ? strcasecmp : strcmp;
768
769		rc = snc(kw->key, label, kwl);
770		if (rc)
771		return rc;
772
773		for (int i = kwl; i < ll; i++) {
774		if (isspace(label[i]))
775		return 0;
776		if (kw->separatorChar && label[i] == kw->separatorChar)
777		return 0;
778		else if (kw->nextChar && label[i] == kw->nextChar)
779		return 0;
780		return sc(kw->key+kwl, label+kwl);
781		}
782		return 0;
783	}	}
784
785	static enum lineType_e preferredLineType(enum lineType_e type,	static enum lineType_e preferredLineType(enum lineType_e type,
786	struct configFileInfo *cfi) {	struct configFileInfo *cfi)
787	if (isEfi && cfi == &grub2ConfigType) {	{
788	switch (type) {	if (isEfi && cfi == &grub2ConfigType) {
789	case LT_KERNEL:	switch (type) {
790	return isEfiOnly ? LT_KERNEL : LT_KERNEL_EFI;	case LT_KERNEL:
791	case LT_INITRD:	return isEfiOnly ? LT_KERNEL : LT_KERNEL_EFI;
792	return isEfiOnly ? LT_INITRD : LT_INITRD_EFI;	case LT_INITRD:
793	default:	return isEfiOnly ? LT_INITRD : LT_INITRD_EFI;
794	return type;	default:
795	}	return type;
796		}
797	#if defined(__i386__) || defined(__x86_64__)	#if defined(__i386__) || defined(__x86_64__)
798	} else if (cfi == &grub2ConfigType) {	} else if (cfi == &grub2ConfigType) {
799	switch (type) {	switch (type) {
800	case LT_KERNEL:	case LT_KERNEL:
801	return LT_KERNEL_16;	return LT_KERNEL_16;
802	case LT_INITRD:	case LT_INITRD:
803	return LT_INITRD_16;	return LT_INITRD_16;
804	default:	default:
805	return type;	return type;
806	}	}
807	#endif	#endif
808	}	}
809	return type;	return type;
810	}	}
811
812	static struct keywordTypes * getKeywordByType(enum lineType_e type,	static struct keywordTypes *getKeywordByType(enum lineType_e type,
813	struct configFileInfo * cfi) {	struct configFileInfo *cfi)
814	for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) {	{
815	if (kw->type == type)	for (struct keywordTypes * kw = cfi->keywords; kw->key; kw++) {
816	return kw;	if (kw->type == type)
817	}	return kw;
818	return NULL;	}
819		return NULL;
820	}	}
821
822	static char *getKeyByType(enum lineType_e type, struct configFileInfo * cfi) {	static char *getKeyByType(enum lineType_e type, struct configFileInfo *cfi)
823	struct keywordTypes *kt = getKeywordByType(type, cfi);	{
824	if (kt)	struct keywordTypes *kt = getKeywordByType(type, cfi);
825	return kt->key;	if (kt)
826	return "unknown";	return kt->key;
827		return "unknown";
828	}	}
829
830	static char * getpathbyspec(char *device) {	static char *getpathbyspec(char *device)
831	if (!blkid)	{
832	blkid_get_cache(&blkid, NULL);	if (!blkid)
833		blkid_get_cache(&blkid, NULL);
834
835	return blkid_get_devname(blkid, device, NULL);	return blkid_get_devname(blkid, device, NULL);
836	}	}
837
838	static char * getuuidbydev(char *device) {	static char *getuuidbydev(char *device)
839	if (!blkid)	{
840	blkid_get_cache(&blkid, NULL);	if (!blkid)
841		blkid_get_cache(&blkid, NULL);
842
843	return blkid_get_tag_value(blkid, "UUID", device);	return blkid_get_tag_value(blkid, "UUID", device);
844	}	}
845
846	static enum lineType_e getTypeByKeyword(char * keyword,	static enum lineType_e getTypeByKeyword(char *keyword,
847	struct configFileInfo * cfi) {	struct configFileInfo *cfi)
848	for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) {	{
849	if (cfi->caseInsensitive) {	for (struct keywordTypes * kw = cfi->keywords; kw->key; kw++) {
850	if (!strcasecmp(keyword, kw->key))	if (!kwcmp(kw, keyword, cfi->caseInsensitive))
851	return kw->type;	return kw->type;
	} else {
	if (!strcmp(keyword, kw->key))
	return kw->type;
852	}	}
853	}	return LT_UNKNOWN;
	return LT_UNKNOWN;
854	}	}
855
856	static struct singleLine * getLineByType(enum lineType_e type,	static struct singleLine *getLineByType(enum lineType_e type,
857	struct singleLine * line) {	struct singleLine *line)
858	dbgPrintf("getLineByType(%d): ", type);	{
859	for (; line; line = line->next) {	dbgPrintf("getLineByType(%d): ", type);
860	dbgPrintf("%d:%s ", line->type,	for (; line; line = line->next) {
861	line->numElements ? line->elements[0].item : "(empty)");	dbgPrintf("%d:%s ", line->type,
862	if (line->type & type) break;	line->numElements ? line->elements[0].
863	}	item : "(empty)");
864	dbgPrintf(line ? "\n" : " (failed)\n");	if (line->type & type)
865	return line;	break;
866		}
867		dbgPrintf(line ? "\n" : " (failed)\n");
868		return line;
869	}	}
870
871	static int isBracketedTitle(struct singleLine * line) {	static int isBracketedTitle(struct singleLine *line)
872	if (line->numElements == 1 && *line->elements[0].item == '[') {	{
873	int len = strlen(line->elements[0].item);	if (line->numElements == 1 && *line->elements[0].item == '[') {
874	if (*(line->elements[0].item + len - 1) == ']') {	int len = strlen(line->elements[0].item);
875	/* FIXME: this is a hack... */	if (*(line->elements[0].item + len - 1) == ']') {
876	if (strcmp(line->elements[0].item, "[defaultboot]")) {	/* FIXME: this is a hack... */
877	return 1;	if (strcmp(line->elements[0].item, "[defaultboot]")) {
878	}	return 1;
879	}	}
880	}	}
881	return 0;	}
882		return 0;
883	}	}
884
885	static int isEntryStart(struct singleLine * line,	static int isEntryStart(struct singleLine *line, struct configFileInfo *cfi)
886	struct configFileInfo * cfi) {	{
887	return line->type == cfi->entryStart || line->type == LT_OTHER ||	return line->type == cfi->entryStart || line->type == LT_OTHER ||
888	(cfi->titleBracketed && isBracketedTitle(line));	(cfi->titleBracketed && isBracketedTitle(line));
889	}	}
890
891	/* extract the title from within brackets (for zipl) */	/* extract the title from within brackets (for zipl) */
892	static char * extractTitle(struct grubConfig *cfg, struct singleLine * line) {	static char *extractTitle(struct grubConfig *cfg, struct singleLine *line)
893	/* bracketed title... let's extract it */	{
894	char * title = NULL;	/* bracketed title... let's extract it */
895	if (line->type == LT_TITLE) {	char *title = NULL;
896	char *tmp = line->elements[cfg->cfi->titlePosition].item;	if (line->type == LT_TITLE) {
897	if (cfg->cfi->titleBracketed) {	char *tmp = line->elements[cfg->cfi->titlePosition].item;
898	tmp++;	if (cfg->cfi->titleBracketed) {
899	title = strdup(tmp);	tmp++;
900	*(title + strlen(title) - 1) = '\0';	title = strdup(tmp);
901	} else {	*(title + strlen(title) - 1) = '\0';
902	title = strdup(tmp);	} else {
903	}	title = strdup(tmp);
904	} else if (line->type == LT_MENUENTRY)	}
905	title = strdup(line->elements[1].item);	} else if (line->type == LT_MENUENTRY)
906	else	title = strdup(line->elements[1].item);
907	return NULL;	else
908	return title;	return NULL;
909		return title;
910	}	}
911
912	static int readFile(int fd, char ** bufPtr) {	static int readFile(int fd, char **bufPtr)
913	int alloced = 0, size = 0, i = 0;	{
914	char * buf = NULL;	int alloced = 0, size = 0, i = 0;
915		char *buf = NULL;
916
917	do {	do {
918	size += i;	size += i;
919	if ((size + 1024) > alloced) {	if ((size + 1024) > alloced) {
920	alloced += 4096;	alloced += 4096;
921	buf = realloc(buf, alloced + 1);	buf = realloc(buf, alloced + 1);
922	}	}
923	} while ((i = read(fd, buf + size, 1024)) > 0);	} while ((i = read(fd, buf + size, 1024)) > 0);
924
925	if (i < 0) {	if (i < 0) {
926	fprintf(stderr, _("error reading input: %s\n"), strerror(errno));	fprintf(stderr, _("error reading input: %s\n"),
927	free(buf);	strerror(errno));
928	return 1;	free(buf);
929	}	return 1;
930		}
931
932	buf = realloc(buf, size + 2);	buf = realloc(buf, size + 2);
933	if (size == 0)	if (size == 0)
934	buf[size++] = '\n';	buf[size++] = '\n';
935	else	else if (buf[size - 1] != '\n')
936	if (buf[size - 1] != '\n')	buf[size++] = '\n';
937	buf[size++] = '\n';	buf[size] = '\0';
	buf[size] = '\0';
938
939	*bufPtr = buf;	*bufPtr = buf;
940
941	return 0;	return 0;
942	}	}
943
944	static void lineInit(struct singleLine * line) {	static void lineInit(struct singleLine *line)
945	line->indent = NULL;	{
946	line->elements = NULL;	line->type = LT_UNIDENTIFIED;
947	line->numElements = 0;	line->indent = NULL;
948	line->next = NULL;	line->elements = NULL;
949	}	line->numElements = 0;
950		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;
951	}	}
952
953	static void lineFree(struct singleLine * line) {	struct singleLine *lineDup(struct singleLine *line)
954	if (line->indent) free(line->indent);	{
955		struct singleLine *newLine = malloc(sizeof(*newLine));
956
957	for (int i = 0; i < line->numElements; i++) {	newLine->indent = strdup(line->indent);
958	free(line->elements[i].item);	newLine->next = NULL;
959	free(line->elements[i].indent);	newLine->type = line->type;
960	}	newLine->numElements = line->numElements;
961		newLine->elements = malloc(sizeof(*newLine->elements) *
962		newLine->numElements);
963
964	if (line->elements) free(line->elements);	for (int i = 0; i < newLine->numElements; i++) {
965	lineInit(line);	newLine->elements[i].indent = strdup(line->elements[i].indent);
966	}	newLine->elements[i].item = strdup(line->elements[i].item);
967		}
968
969	static int lineWrite(FILE * out, struct singleLine * line,	return newLine;
970	struct configFileInfo * cfi) {	}
	if (fprintf(out, "%s", line->indent) == -1) return -1;
	for (int i = 0; i < line->numElements; i++) {
	/* Need to handle this, because we strip the quotes from
	* menuentry when read it. */
	if (line->type == LT_MENUENTRY && i == 1) {
	if(!isquote(*line->elements[i].item)) {
	int substring = 0;
	/* If the line contains nested quotes, we did not strip
	* the "interna" quotes and we must use the right quotes
	* again when writing the updated file. */
	for (int j = i; j < line->numElements; j++) {
	if (strchr(line->elements[i].item, '\'') != NULL) {
	substring = 1;
	fprintf(out, "\"%s\"", line->elements[i].item);
	break;
	}
	}
	if (!substring)
	fprintf(out, "\'%s\'", line->elements[i].item);
	} else {
	fprintf(out, "%s", line->elements[i].item);
	}
	fprintf(out, "%s", line->elements[i].indent);
	continue;
	}
	if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes)
	if (fputc('"', out) == EOF) return -1;
	if (fprintf(out, "%s", line->elements[i].item) == -1) return -1;
	if (i < line->numElements - 1)
	if (fprintf(out, "%s", line->elements[i].indent) == -1) return -1;
	}
971
972	if (line->type == LT_KERNELARGS && cfi->argsInQuotes)	static void lineFree(struct singleLine *line)
973	if (fputc('"', out) == EOF) return -1;	{
974		if (line->indent)
975		free(line->indent);
976
977	if (fprintf(out, "\n") == -1) return -1;	for (int i = 0; i < line->numElements; i++) {
978		free(line->elements[i].item);
979		free(line->elements[i].indent);
980		}
981
982	return 0;	if (line->elements)
983		free(line->elements);
984		lineInit(line);
985	}	}
986
987	/* we've guaranteed that the buffer ends w/ \n\0 */	static int lineWrite(FILE * out, struct singleLine *line,
988	static int getNextLine(char ** bufPtr, struct singleLine * line,	struct configFileInfo *cfi)
989	struct configFileInfo * cfi) {	{
990	char * end;	if (fprintf(out, "%s", line->indent) == -1)
991	char * start = *bufPtr;	return -1;
	char * chptr;
	int elementsAlloced = 0;
	struct lineElement * element;
	int first = 1;
992
993	lineFree(line);	for (int i = 0; i < line->numElements; i++) {
994		/* Need to handle this, because we strip the quotes from
995		* menuentry when read it. */
996		if (line->type == LT_MENUENTRY && i == 1) {
997		if (!isquote(*line->elements[i].item)) {
998		int substring = 0;
999		/* If the line contains nested quotes, we did
1000		* not strip the "interna" quotes and we must
1001		* use the right quotes again when writing
1002		* the updated file. */
1003		for (int j = i; j < line->numElements; j++) {
1004		if (strchr(line->elements[i].item, '\'')
1005		!= NULL) {
1006		substring = 1;
1007		fprintf(out, "\"%s\"",
1008		line->elements[i].item);
1009		break;
1010		}
1011		}
1012		if (!substring)
1013		fprintf(out, "\'%s\'",
1014		line->elements[i].item);
1015		} else {
1016		fprintf(out, "%s", line->elements[i].item);
1017		}
1018		fprintf(out, "%s", line->elements[i].indent);
1019
1020	end = strchr(start, '\n');	continue;
1021	*end = '\0';	}
	*bufPtr = end + 1;
1022
1023	for (chptr = start; *chptr && isspace(*chptr); chptr++) ;	if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes)
1024		if (fputc('"', out) == EOF)
1025		return -1;
1026
1027		if (fprintf(out, "%s", line->elements[i].item) == -1)
1028		return -1;
1029		if (i < line->numElements - 1 || line->type == LT_SET_VARIABLE)
1030		if (fprintf(out, "%s", line->elements[i].indent) == -1)
1031		return -1;
1032		}
1033
1034		if (line->type == LT_KERNELARGS && cfi->argsInQuotes)
1035		if (fputc('"', out) == EOF)
1036		return -1;
1037
1038	line->indent = strndup(start, chptr - start);	if (fprintf(out, "\n") == -1)
1039	start = chptr;	return -1;
1040
1041	while (start < end) {	return 0;
1042	/* we know !isspace(*start) */	}
1043
1044	if (elementsAlloced == line->numElements) {	/* we've guaranteed that the buffer ends w/ \n\0 */
1045	elementsAlloced += 5;	static int getNextLine(char **bufPtr, struct singleLine *line,
1046	line->elements = realloc(line->elements,	struct configFileInfo *cfi)
1047	sizeof(*line->elements) * elementsAlloced);	{
1048	}	char *end;
1049		char *start = *bufPtr;
1050		char *chptr;
1051		int elementsAlloced = 0;
1052		struct lineElement *element;
1053		int first = 1;
1054
1055	element = line->elements + line->numElements;	lineFree(line);
1056
1057	chptr = start;	end = strchr(start, '\n');
1058	while (*chptr && !isspace(*chptr)) {	*end = '\0';
1059	if (first && *chptr == '=') break;	*bufPtr = end + 1;
	chptr++;
	}
	element->item = strndup(start, chptr - start);
	start = chptr;
1060
1061	/* lilo actually accepts the pathological case of append = " foo " */	for (chptr = start; *chptr && isspace(*chptr); chptr++) ;
	if (*start == '=')
	chptr = start + 1;
	else
	chptr = start;
	do {
	for (; *chptr && isspace(*chptr); chptr++);
	if (*chptr == '=')
	chptr = chptr + 1;
	} while (isspace(*chptr));
1062
1063	element->indent = strndup(start, chptr - start);	line->indent = strndup(start, chptr - start);
1064	start = chptr;	start = chptr;
1065
1066	line->numElements++;	while (start < end) {
1067	first = 0;	/* we know !isspace(*start) */
	}
1068
1069	if (!line->numElements)	if (elementsAlloced == line->numElements) {
1070	line->type = LT_WHITESPACE;	elementsAlloced += 5;
1071	else {	line->elements = realloc(line->elements,
1072	line->type = getTypeByKeyword(line->elements[0].item, cfi);	sizeof(*line->elements) *
1073	if (line->type == LT_UNKNOWN) {	elementsAlloced);
1074	/* zipl does [title] instead of something reasonable like all	}
	* the other boot loaders.  kind of ugly */
	if (cfi->titleBracketed && isBracketedTitle(line)) {
	line->type = LT_TITLE;
	}
	/* 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);
1075
1076	fullLine = malloc(len + 1);	element = line->elements + line->numElements;
	strcpy(fullLine, line->indent);
	free(line->indent);
	line->indent = fullLine;
1077
1078	for (int i = 0; i < line->numElements; i++) {	chptr = start;
1079	strcat(fullLine, line->elements[i].item);	while (*chptr && !isspace(*chptr)) {
1080	strcat(fullLine, line->elements[i].indent);	if (first && *chptr == '=')
1081	free(line->elements[i].item);	break;
1082	free(line->elements[i].indent);	chptr++;
1083	}	}
1084		if (line->type == LT_UNIDENTIFIED)
1085		line->type = getTypeByKeyword(start, cfi);
1086		element->item = strndup(start, chptr - start);
1087		start = chptr;
1088
1089		/* lilo actually accepts the pathological case of
1090		* append = " foo " */
1091		if (*start == '=')
1092		chptr = start + 1;
1093		else
1094		chptr = start;
1095
1096		do {
1097		for (; *chptr && isspace(*chptr); chptr++) ;
1098		if (*chptr == '=')
1099		chptr = chptr + 1;
1100		} while (isspace(*chptr));
1101
1102		element->indent = strndup(start, chptr - start);
1103		start = chptr;
1104
1105		line->numElements++;
1106		first = 0;
1107		}
1108
1109		if (!line->numElements)
1110	line->type = LT_WHITESPACE;	line->type = LT_WHITESPACE;
1111	line->numElements = 0;	else {
1112	}	line->type = getTypeByKeyword(line->elements[0].item, cfi);
1113	} else {	if (line->type == LT_UNKNOWN) {
1114	struct keywordTypes *kw;	/* zipl does [title] instead of something reasonable
1115		* like all the other boot loaders.  kind of ugly */
1116		if (cfi->titleBracketed && isBracketedTitle(line)) {
1117		line->type = LT_TITLE;
1118		}
1119
1120	kw = getKeywordByType(line->type, cfi);	/* this is awkward, but we need to be able to handle
1121		* keywords that begin with a # (specifically for
1122		* #boot in grub.conf), but still make comments lines
1123		* with no elements (everything stored in the indent
1124		*/
1125		if (*line->elements[0].item == '#') {
1126		char *fullLine;
1127		int len;
1128
1129		len = strlen(line->indent);
1130		for (int i = 0; i < line->numElements; i++)
1131		len += strlen(line->elements[i].item) +
1132		strlen(line->elements[i].indent);
1133
1134		fullLine = malloc(len + 1);
1135		strcpy(fullLine, line->indent);
1136		free(line->indent);
1137		line->indent = fullLine;
1138
1139		for (int i = 0; i < line->numElements; i++) {
1140		strcat(fullLine,
1141		line->elements[i].item);
1142		strcat(fullLine,
1143		line->elements[i].indent);
1144		free(line->elements[i].item);
1145		free(line->elements[i].indent);
1146		}
1147
1148	/* space isn't the only separator, we need to split	line->type = LT_WHITESPACE;
1149	* elements up more	line->numElements = 0;
	*/
	if (!isspace(kw->separatorChar)) {
	char indent[2] = "";
	indent[0] = kw->separatorChar;
	for (int i = 1; i < line->numElements; i++) {
	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];
1150	}	}
1151	line->numElements += numNewElements;	} else if (line->type == LT_INITRD) {
1152		struct keywordTypes *kw;
1153
1154	p = line->elements[i].item;	kw = getKeywordByType(line->type, cfi);
	while (*p != '\0') {
1155
1156	while (*p != kw->separatorChar && *p != '\0') p++;	/* space isn't the only separator, we need to split
1157	if (*p == '\0') {	* elements up more
1158	break;	*/
1159	}	if (!isspace(kw->separatorChar)) {
1160		char indent[2] = "";
1161		indent[0] = kw->separatorChar;
1162		for (int i = 1; i < line->numElements; i++) {
1163		char *p;
1164		int numNewElements;
1165
1166		numNewElements = 0;
1167		p = line->elements[i].item;
1168		while (*p != '\0') {
1169		if (*p == kw->separatorChar)
1170		numNewElements++;
1171		p++;
1172		}
1173		if (line->numElements +
1174		numNewElements >= elementsAlloced) {
1175		elementsAlloced +=
1176		numNewElements + 5;
1177		line->elements =
1178		realloc(line->elements,
1179		sizeof(*line->
1180		elements) *
1181		elementsAlloced);
1182		}
1183
1184	line->elements[i + 1].indent = line->elements[i].indent;	for (int j = line->numElements; j > i;
1185	line->elements[i].indent = strdup(indent);	j--) {
1186	*p++ = '\0';	line->elements[j +
1187	i++;	numNewElements] =
1188	line->elements[i].item = strdup(p);	line->elements[j];
1189		}
1190		line->numElements += numNewElements;
1191
1192		p = line->elements[i].item;
1193		while (*p != '\0') {
1194
1195		while (*p != kw->separatorChar
1196		&& *p != '\0')
1197		p++;
1198		if (*p == '\0') {
1199		break;
1200		}
1201
1202		line->elements[i + 1].indent =
1203		line->elements[i].indent;
1204		line->elements[i].indent =
1205		strdup(indent);
1206		*p++ = '\0';
1207		i++;
1208		line->elements[i].item =
1209		strdup(p);
1210		}
1211		}
1212		}
1213		} else if (line->type == LT_SET_VARIABLE) {
1214		/* and if it's a "set blah=" we need to split it
1215		* yet a third way to avoid rhbz# XXX FIXME :/
1216		*/
1217		char *eq;
1218		int l;
1219		int numElements = line->numElements;
1220		struct lineElement *newElements;
1221		eq = strchr(line->elements[1].item, '=');
1222		if (!eq)
1223		return 0;
1224		l = eq - line->elements[1].item;
1225		if (eq[1] != 0)
1226		numElements++;
1227		newElements = calloc(numElements,sizeof (*newElements));
1228		memcpy(&newElements[0], &line->elements[0],
1229		sizeof (newElements[0]));
1230		newElements[1].item =
1231		strndup(line->elements[1].item, l);
1232		newElements[1].indent = "=";
1233		*(eq++) = '\0';
1234		newElements[2].item = strdup(eq);
1235		free(line->elements[1].item);
1236		if (line->elements[1].indent)
1237		newElements[2].indent = line->elements[1].indent;
1238		for (int i = 2; i < line->numElements; i++) {
1239		newElements[i+1].item = line->elements[i].item;
1240		newElements[i+1].indent =
1241		line->elements[i].indent;
1242	}	}
1243	}	free(line->elements);
1244		line->elements = newElements;
1245		line->numElements = numElements;
1246	}	}
1247	}	}
	}
1248
1249	return 0;	return 0;
1250	}	}
1251
1252	static int isnumber(const char *s)	static int isnumber(const char *s)
1253	{	{
1254	int i;	int i;
1255	for (i = 0; s[i] != '\0'; i++)	for (i = 0; s[i] != '\0'; i++)
1256	if (s[i] < '0' || s[i] > '9')	if (s[i] < '0' || s[i] > '9')
1257	return 0;	return 0;
1258	return i;	return i;
1259	}	}
1260
1261	static struct grubConfig * readConfig(const char * inName,	static struct grubConfig *readConfig(const char *inName,
1262	struct configFileInfo * cfi) {	struct configFileInfo *cfi)
1263	int in;	{
1264	char * incoming = NULL, * head;	int in;
1265	int rc;	char *incoming = NULL, *head;
1266	int sawEntry = 0;	int rc;
1267	int movedLine = 0;	int sawEntry = 0;
1268	struct grubConfig * cfg;	int movedLine = 0;
1269	struct singleLine * last = NULL, * line, * defaultLine = NULL;	struct grubConfig *cfg;
1270	char * end;	struct singleLine *last = NULL, *line, *defaultLine = NULL;
1271	struct singleEntry * entry = NULL;	char *end;
1272	int len;	struct singleEntry *entry = NULL;
1273	char * buf;	int len;
1274		char *buf;
1275	if (inName == NULL) {
1276	printf("Could not find bootloader configuration\n");	if (inName == NULL) {
1277	exit(1);	printf("Could not find bootloader configuration\n");
1278	} else if (!strcmp(inName, "-")) {	exit(1);
1279	in = 0;	} else if (!strcmp(inName, "-")) {
1280	} else {	in = 0;
1281	if ((in = open(inName, O_RDONLY)) < 0) {	} else {
1282	fprintf(stderr, _("error opening %s for read: %s\n"),	if ((in = open(inName, O_RDONLY)) < 0) {
1283	inName, strerror(errno));	fprintf(stderr, _("error opening %s for read: %s\n"),
1284	return NULL;	inName, strerror(errno));
1285		return NULL;
1286		}
1287	}	}
	}
	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);
	if (getNextLine(&head, line, cfi)) {
	free(line);
	/* XXX memory leak of everything in cfg */
	return NULL;
	}
	if (!sawEntry && line->numElements) {
	free(cfg->primaryIndent);
	cfg->primaryIndent = strdup(line->indent);
	} else if (line->numElements) {
	free(cfg->secondaryIndent);
	cfg->secondaryIndent = strdup(line->indent);
	}
	if (isEntryStart(line, cfi) || (cfg->entries && !sawEntry)) {
	sawEntry = 1;
	if (!entry) {
	cfg->entries = malloc(sizeof(*entry));
	entry = cfg->entries;
	} else {
	entry->next = malloc(sizeof(*entry));
	entry = entry->next;
	}
	entry->skip = 0;
	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';
	for (int i = 1; i < line->numElements; i++) {
	strcat(buf, line->elements[i].item);
	free(line->elements[i].item);
1288
1289	if ((i + 1) != line->numElements) {	rc = readFile(in, &incoming);
1290	strcat(buf, line->elements[i].indent);	close(in);
1291	free(line->elements[i].indent);	if (rc)
1292	}	return NULL;
1293	}
1294		head = incoming;
1295	line->elements[1].indent =	cfg = malloc(sizeof(*cfg));
1296	line->elements[line->numElements - 1].indent;	cfg->primaryIndent = strdup("");
1297	line->elements[1].item = buf;	cfg->secondaryIndent = strdup("\t");
1298	line->numElements = 2;	cfg->flags = GRUB_CONFIG_NO_DEFAULT;
1299	} else if (line->type == LT_MENUENTRY && line->numElements > 3) {	cfg->cfi = cfi;
1300	/* let --remove-kernel="TITLE=what" work */	cfg->theLines = NULL;
1301	len = 0;	cfg->entries = NULL;
1302	char *extras;	cfg->fallbackImage = 0;
1303	char *title;
1304	/* initially unseen value */	/* copy everything we have */
1305	char quote_char = '\0';	while (*head) {
1306		line = malloc(sizeof(*line));
1307	for (int i = 1; i < line->numElements; i++) {	lineInit(line);
1308	len += strlen(line->elements[i].item);
1309	len += strlen(line->elements[i].indent);	if (getNextLine(&head, line, cfi)) {
1310	}	free(line);
1311	buf = malloc(len + 1);	/* XXX memory leak of everything in cfg */
1312	*buf = '\0';	return NULL;
	/* 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) && quote_char == '\0') {
	/* ensure we properly pair off quotes */
	quote_char = *line->elements[i].item;
	title = line->elements[i].item + 1;
	} else {
	title = line->elements[i].item;
1313	}	}
1314
1315	len = strlen(title);	if (!sawEntry && line->numElements) {
1316	if (title[len-1] == quote_char) {	free(cfg->primaryIndent);
1317	strncat(buf, title,len-1);	cfg->primaryIndent = strdup(line->indent);
1318	break;	} else if (line->numElements) {
1319	} else {	free(cfg->secondaryIndent);
1320	strcat(buf, title);	cfg->secondaryIndent = strdup(line->indent);
	strcat(buf, line->elements[i].indent);
1321	}	}
	}
1322
1323	/* get extras */	if (isEntryStart(line, cfi) || (cfg->entries && !sawEntry)) {
1324	int count = 0;	sawEntry = 1;
1325	quote_char = '\0';	if (!entry) {
1326	for (int i = 0; i < line->numElements; i++) {	cfg->entries = malloc(sizeof(*entry));
1327	if (count >= 2) {	entry = cfg->entries;
1328	strcat(extras, line->elements[i].item);	} else {
1329	strcat(extras, line->elements[i].indent);	entry->next = malloc(sizeof(*entry));
1330	}	entry = entry->next;
1331		}
	if (!strcmp(line->elements[i].item, "menuentry"))
	continue;
	/* count ' or ", there should be two in menuentry line. */
	if (isquote(*line->elements[i].item) && quote_char == '\0') {
	/* ensure we properly pair off quotes */
	quote_char = *line->elements[i].item;
	count++;
	}
	len = strlen(line->elements[i].item);
	if (line->elements[i].item[len -1] == quote_char)
	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;
1332
1333	if (sawEntry) {	entry->skip = 0;
1334	if (!entry->lines)	entry->multiboot = 0;
1335	entry->lines = line;	entry->lines = NULL;
1336	else	entry->next = NULL;
1337	last->next = line;	}
	dbgPrintf("readConfig added %s to %p\n", getKeyByType(line->type, cfi), entry);
	/* we could have seen this outside of an entry... if so, we
	* ignore it like any other line we don't grok */
	if (line->type == LT_ENTRY_END && sawEntry)
	sawEntry = 0;
	} else {
	if (!cfg->theLines)
	cfg->theLines = line;
	else
	last->next = line;
	dbgPrintf("readConfig added %s to cfg\n", getKeyByType(line->type, cfi));
	}
1338
1339	last = line;	if (line->type == LT_SET_VARIABLE) {
1340	}	dbgPrintf("found 'set' command (%d elements): ",
1341		line->numElements);
1342		dbgPrintf("%s", line->indent);
1343		for (int i = 0; i < line->numElements; i++)
1344		dbgPrintf("\"%s\"%s", line->elements[i].item,
1345		line->elements[i].indent);
1346		dbgPrintf("\n");
1347		struct keywordTypes *kwType =
1348		getKeywordByType(LT_DEFAULT, cfi);
1349		if (kwType && line->numElements == 3
1350		&& !strcmp(line->elements[1].item, kwType->key)
1351		&& !is_special_grub2_variable(
1352		line->elements[2].item)) {
1353		dbgPrintf("Line sets default config\n");
1354		cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;
1355		defaultLine = line;
1356		}
1357		} else if (iskernel(line->type)) {
1358		/* if by some freak chance this is multiboot and the
1359		* "module" lines came earlier in the template, make
1360		* sure to use LT_HYPER instead of LT_KERNEL now
1361		*/
1362		if (entry && entry->multiboot)
1363		line->type = LT_HYPER;
1364
1365		} else if (line->type == LT_MBMODULE) {
1366		/* go back and fix the LT_KERNEL line to indicate
1367		* LT_HYPER instead, now that we know this is a
1368		* multiboot entry.  This only applies to grub, but
1369		* that's the only place we should find LT_MBMODULE
1370		* lines anyway.
1371		*/
1372		for (struct singleLine * l = entry->lines; l;
1373		l = l->next) {
1374		if (l->type == LT_HYPER)
1375		break;
1376		else if (iskernel(l->type)) {
1377		l->type = LT_HYPER;
1378		break;
1379		}
1380		}
1381		entry->multiboot = 1;
1382
1383	free(incoming);	} else if (line->type == LT_HYPER) {
1384		entry->multiboot = 1;
1385
1386	dbgPrintf("defaultLine is %s\n", defaultLine ? "set" : "unset");	} else if (line->type == LT_FALLBACK && line->numElements == 2) {
1387	if (defaultLine) {	cfg->fallbackImage =
1388	if (defaultLine->numElements > 2 &&	strtol(line->elements[1].item, &end, 10);
1389	cfi->defaultSupportSaved &&	if (*end)
1390	!strncmp(defaultLine->elements[2].item,"\"${saved_entry}\"", 16)) {	cfg->fallbackImage = -1;
1391	cfg->cfi->defaultIsSaved = 1;
1392	cfg->defaultImage = DEFAULT_SAVED_GRUB2;	} else if ((line->type == LT_DEFAULT && cfi->defaultIsUnquoted)
1393	if (cfg->cfi->getEnv) {	|| (line->type == LT_TITLE
1394	char *defTitle = cfi->getEnv(cfg->cfi, "saved_entry");	&& line->numElements > 1)) {
1395	if (defTitle) {	/* make the title/default a single argument (undoing
1396	int index = 0;	* our parsing) */
1397	if (isnumber(defTitle)) {	len = 0;
1398	index = atoi(defTitle);	for (int i = 1; i < line->numElements; i++) {
1399	entry = findEntryByIndex(cfg, index);	len += strlen(line->elements[i].item);
1400	} else {	len += strlen(line->elements[i].indent);
	entry = findEntryByTitle(cfg, defTitle, &index);
1401	}	}
1402	if (entry)	buf = malloc(len + 1);
1403	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(cfg, line))) break;
	}
	i++;
	entry = NULL;
	}
1404
1405	if (entry){	for (int i = 1; i < line->numElements; i++) {
1406	cfg->defaultImage = i;	strcat(buf, line->elements[i].item);
1407	}else{	free(line->elements[i].item);
1408	cfg->defaultImage = -1;
1409	}	if ((i + 1) != line->numElements) {
1410	}	strcat(buf, line->elements[i].indent);
1411	} else if (cfg->cfi->defaultIsSaved && cfg->cfi->getEnv) {	free(line->elements[i].indent);
1412	char *defTitle = cfi->getEnv(cfg->cfi, "saved_entry");	}
1413	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;
	}
1414
1415	return cfg;	line->elements[1].indent =
1416	}	line->elements[line->numElements - 1].indent;
1417		line->elements[1].item = buf;
1418		line->numElements = 2;
1419		} else if (line->type == LT_MENUENTRY && line->numElements > 3) {
1420		/* let --remove-kernel="TITLE=what" work */
1421		len = 0;
1422		char *extras;
1423		char *title;
1424		/* initially unseen value */
1425		char quote_char = '\0';
1426
1427		for (int i = 1; i < line->numElements; i++) {
1428		len += strlen(line->elements[i].item);
1429		len += strlen(line->elements[i].indent);
1430		}
1431		buf = malloc(len + 1);
1432		*buf = '\0';
1433
1434	static void writeDefault(FILE * out, char * indent,	/* allocate mem for extra flags. */
1435	char * separator, struct grubConfig * cfg) {	extras = malloc(len + 1);
1436	struct singleEntry * entry;	*extras = '\0';
1437	struct singleLine * line;
1438	int i;	/* get title. */
1439		for (int i = 0; i < line->numElements; i++) {
1440	if (!cfg->defaultImage && cfg->flags == GRUB_CONFIG_NO_DEFAULT) return;	if (!strcmp
1441		(line->elements[i].item, "menuentry"))
1442	if (cfg->defaultImage == DEFAULT_SAVED)	continue;
1443	fprintf(out, "%sdefault%ssaved\n", indent, separator);	if (isquote(*line->elements[i].item)
1444	else if (cfg->cfi->defaultIsSaved) {	&& quote_char == '\0') {
1445	fprintf(out, "%sset default=\"${saved_entry}\"\n", indent);	/* ensure we properly pair off quotes */
1446	if (cfg->defaultImage >= 0 && cfg->cfi->setEnv) {	quote_char = *line->elements[i].item;
1447	char *title;	title = line->elements[i].item + 1;
1448	entry = findEntryByIndex(cfg, cfg->defaultImage);	} else {
1449	line = getLineByType(LT_MENUENTRY, entry->lines);	title = line->elements[i].item;
1450	if (!line)	}
	line = getLineByType(LT_TITLE, entry->lines);
	if (line) {
	title = extractTitle(cfg, 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;
1451
1452	entry = cfg->entries;	len = strlen(title);
1453	while (entry && entry->skip) entry = entry->next;	if (title[len - 1] == quote_char) {
1454		strncat(buf, title, len - 1);
1455		break;
1456		} else {
1457		strcat(buf, title);
1458		strcat(buf, line->elements[i].indent);
1459		}
1460		}
1461
1462	i = 0;	/* get extras */
1463	while (entry && i < image) {	int count = 0;
1464	entry = entry->next;	quote_char = '\0';
1465		for (int i = 0; i < line->numElements; i++) {
1466		if (count >= 2) {
1467		strcat(extras, line->elements[i].item);
1468		strcat(extras,
1469		line->elements[i].indent);
1470		}
1471
1472	while (entry && entry->skip) entry = entry->next;	if (!strcmp
1473	i++;	(line->elements[i].item, "menuentry"))
1474	}	continue;
1475
1476		/* count ' or ", there should be two in menuentry line. */
1477		if (isquote(*line->elements[i].item)
1478		&& quote_char == '\0') {
1479		/* ensure we properly pair off quotes */
1480		quote_char = *line->elements[i].item;
1481		count++;
1482		}
1483
1484	if (!entry) return;	len = strlen(line->elements[i].item);
1485
1486	line = getLineByType(LT_TITLE, entry->lines);	if (line->elements[i].item[len - 1] ==
1487		quote_char)
1488		count++;
1489
1490	if (line && line->numElements >= 2)	/* ok, we get the final ' or ", others are extras. */
1491	fprintf(out, "%sdefault%s%s\n", indent, separator,	}
1492	line->elements[1].item);	line->elements[1].indent =
1493	else if (line && (line->numElements == 1) &&	line->elements[line->numElements - 2].indent;
1494	cfg->cfi->titleBracketed) {	line->elements[1].item = buf;
1495	fprintf(out, "%sdefault%s%s\n", indent, separator,	line->elements[2].indent =
1496	extractTitle(cfg, line));	line->elements[line->numElements - 2].indent;
1497	}	line->elements[2].item = extras;
1498	}	line->numElements = 3;
1499	}	} else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) {
1500	}	/* Strip off any " which may be present; they'll be
1501		* put back on write. This is one of the few (the
1502		* only?) places that grubby canonicalizes the output
1503		*/
1504		if (line->numElements >= 2) {
1505		int last, len;
1506
1507	static int writeConfig(struct grubConfig * cfg, char * outName,	if (isquote(*line->elements[1].item))
1508	const char * prefix) {	memmove(line->elements[1].item,
1509	FILE * out;	line->elements[1].item + 1,
1510	struct singleLine * line;	strlen(line->elements[1].item +
1511	struct singleEntry * entry;	1) + 1);
1512	char * tmpOutName;
1513	int needs = MAIN_DEFAULT;	last = line->numElements - 1;
1514	struct stat sb;	len = strlen(line->elements[last].item) - 1;
1515	int i;	if (isquote(line->elements[last].item[len]))
1516		line->elements[last].item[len] = '\0';
1517	if (!strcmp(outName, "-")) {	}
1518	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;
	}
	}
	}
1519
1520	line = cfg->theLines;	if (line->type == LT_DEFAULT && line->numElements == 2) {
1521	struct keywordTypes *defaultKw = getKeywordByType(LT_DEFAULT, cfg->cfi);	cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;
1522	while (line) {	defaultLine = line;
1523	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;
	}
	}
1524
1525	line = line->next;	/* If we find a generic config option which should live at the
1526	}	top of the file, move it there. Old versions of grubby were
1527		probably responsible for putting new images in the wrong
1528		place in front of it anyway. */
1529		if (sawEntry && line->type == LT_GENERIC) {
1530		struct singleLine **l = &cfg->theLines;
1531		struct singleLine **last_nonws = &cfg->theLines;
1532		while (*l) {
1533		if ((*l)->type != LT_WHITESPACE)
1534		last_nonws = &((*l)->next);
1535		l = &((*l)->next);
1536		}
1537		line->next = *last_nonws;
1538		*last_nonws = line;
1539		movedLine = 1;
1540		continue; /* without setting 'last' */
1541		}
1542
1543	if (needs & MAIN_DEFAULT) {	/* If a second line of whitespace happens after a generic
1544	writeDefault(out, cfg->primaryIndent, "=", cfg);	* option which was moved, drop it. */
1545	needs &= ~MAIN_DEFAULT;	if (movedLine && line->type == LT_WHITESPACE
1546	}	&& last->type == LT_WHITESPACE) {
1547		lineFree(line);
1548		free(line);
1549		movedLine = 0;
1550		continue;
1551		}
1552		movedLine = 0;
1553
1554	i = 0;	if (sawEntry) {
1555	while ((entry = findEntryByIndex(cfg, i++))) {	if (!entry->lines)
1556	if (entry->skip) continue;	entry->lines = line;
1557		else
1558		last->next = line;
1559		dbgPrintf("readConfig added %s to %p\n",
1560		getKeyByType(line->type, cfi), entry);
1561
1562	line = entry->lines;	/* we could have seen this outside of an entry... if
1563	while (line) {	* so, we ignore it like any other line we don't grok
1564	if (lineWrite(out, line, cfg->cfi) == -1) {	*/
1565	fprintf(stderr, _("grubby: error writing %s: %s\n"),	if (line->type == LT_ENTRY_END && sawEntry)
1566	tmpOutName, strerror(errno));	sawEntry = 0;
1567	fclose(out);	} else {
1568	unlink(tmpOutName);	if (!cfg->theLines)
1569	return 1;	cfg->theLines = line;
1570	}	else
1571	line = line->next;	last->next = line;
1572	}	dbgPrintf("readConfig added %s to cfg\n",
1573	}	getKeyByType(line->type, cfi));
1574		}
1575
1576	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;
1577	}	}
	}
	return 0;
	}
1578
1579	static int numEntries(struct grubConfig *cfg) {	free(incoming);
	int i = 0;
	struct singleEntry * entry;
	entry = cfg->entries;
	while (entry) {
	if (!entry->skip)
	i++;
	entry = entry->next;
	}
	return i;
	}
1580
1581	static char *findDiskForRoot()	dbgPrintf("defaultLine is %s\n", defaultLine ? "set" : "unset");
1582		if (defaultLine) {
1583		if (defaultLine->numElements > 2 &&
1584		cfi->defaultSupportSaved &&
1585		!strncmp(defaultLine->elements[2].item,
1586		"\"${saved_entry}\"", 16)) {
1587		cfg->cfi->defaultIsSaved = 1;
1588		cfg->defaultImage = DEFAULT_SAVED_GRUB2;
1589		if (cfg->cfi->getEnv) {
1590		char *defTitle =
1591		cfi->getEnv(cfg->cfi, "saved_entry");
1592		if (defTitle) {
1593		int index = 0;
1594		if (isnumber(defTitle)) {
1595		index = atoi(defTitle);
1596		entry =
1597		findEntryByIndex(cfg,
1598		index);
1599		} else {
1600		entry =
1601		findEntryByTitle(cfg,
1602		defTitle,
1603		&index);
1604		}
1605		if (entry)
1606		cfg->defaultImage = index;
1607		}
1608		}
1609		} else if (cfi->defaultIsVariable) {
1610		if (defaultLine->numElements == 2) {
1611		char *value = defaultLine->elements[1].item + 8;
1612		while (*value && (*value == '"' ||
1613		*value == '\'' ||
1614		*value == ' ' ||
1615		*value == '\t'))
1616		value++;
1617		cfg->defaultImage = strtol(value, &end, 10);
1618		while (*end && (*end == '"' || *end == '\'' ||
1619		*end == ' ' || *end == '\t'))
1620		end++;
1621		if (*end)
1622		cfg->defaultImage = NO_DEFAULT_ENTRY;
1623		} else if (defaultLine->numElements == 3) {
1624		char *value = defaultLine->elements[2].item;
1625		while (*value && (*value == '"' ||
1626		*value == '\'' ||
1627		*value == ' ' ||
1628		*value == '\t'))
1629		value++;
1630		cfg->defaultImage = strtol(value, &end, 10);
1631		while (*end && (*end == '"' || *end == '\'' ||
1632		*end == ' ' || *end == '\t'))
1633		end++;
1634		if (*end)
1635		cfg->defaultImage = NO_DEFAULT_ENTRY;
1636		}
1637		} else if (cfi->defaultSupportSaved &&
1638		!strncmp(defaultLine->elements[1].item, "saved",
1639		5)) {
1640		cfg->defaultImage = DEFAULT_SAVED;
1641		} else if (cfi->defaultIsIndex) {
1642		cfg->defaultImage =
1643		strtol(defaultLine->elements[1].item, &end, 10);
1644		if (*end)
1645		cfg->defaultImage = NO_DEFAULT_ENTRY;
1646		} else if (defaultLine->numElements >= 2) {
1647		int i = 0;
1648		while ((entry = findEntryByIndex(cfg, i))) {
1649		for (line = entry->lines; line;
1650		line = line->next)
1651		if (line->type == LT_TITLE)
1652		break;
1653
1654		if (!cfi->titleBracketed) {
1655		if (line && (line->numElements >= 2) &&
1656		!strcmp(defaultLine->elements[1].
1657		item,
1658		line->elements[1].item))
1659		break;
1660		} else if (line) {
1661		if (!strcmp
1662		(defaultLine->elements[1].item,
1663		extractTitle(cfg, line)))
1664		break;
1665		}
1666		i++;
1667		entry = NULL;
1668		}
1669
1670		if (entry) {
1671		cfg->defaultImage = i;
1672		} else {
1673		cfg->defaultImage = NO_DEFAULT_ENTRY;
1674		}
1675		}
1676		} else if (cfg->cfi->defaultIsSaved && cfg->cfi->getEnv) {
1677		char *defTitle = cfi->getEnv(cfg->cfi, "saved_entry");
1678		if (defTitle) {
1679		int index = 0;
1680		if (isnumber(defTitle)) {
1681		index = atoi(defTitle);
1682		entry = findEntryByIndex(cfg, index);
1683		} else {
1684		entry = findEntryByTitle(cfg, defTitle, &index);
1685		}
1686		if (entry)
1687		cfg->defaultImage = index;
1688		}
1689		} else {
1690		cfg->defaultImage = FIRST_ENTRY_INDEX;
1691		}
1692
1693		return cfg;
1694		}
1695
1696		static void writeDefault(FILE * out, char *indent,
1697		char *separator, struct grubConfig *cfg)
1698	{	{
1699	int fd;	struct singleEntry *entry;
1700	char buf[65536];	struct singleLine *line;
1701	char *devname;	int i;
1702	char *chptr;
1703	int rc;	if (!cfg->defaultImage && cfg->flags == GRUB_CONFIG_NO_DEFAULT)
1704		return;
1705
1706		if (cfg->defaultImage == DEFAULT_SAVED)
1707		fprintf(out, "%sdefault%ssaved\n", indent, separator);
1708		else if (cfg->cfi->defaultIsSaved) {
1709		fprintf(out, "%sset default=\"${saved_entry}\"\n", indent);
1710		if (cfg->defaultImage >= FIRST_ENTRY_INDEX && cfg->cfi->setEnv) {
1711		char *title;
1712		entry = findEntryByIndex(cfg, cfg->defaultImage);
1713		line = getLineByType(LT_MENUENTRY, entry->lines);
1714		if (!line)
1715		line = getLineByType(LT_TITLE, entry->lines);
1716		if (line) {
1717		title = extractTitle(cfg, line);
1718		if (title)
1719		cfg->cfi->setEnv(cfg->cfi,
1720		"saved_entry", title);
1721		}
1722		}
1723		} else if (cfg->defaultImage >= FIRST_ENTRY_INDEX) {
1724		if (cfg->cfi->defaultIsIndex) {
1725		if (cfg->cfi->defaultIsVariable) {
1726		fprintf(out, "%sset default=\"%d\"\n", indent,
1727		cfg->defaultImage);
1728		} else {
1729		fprintf(out, "%sdefault%s%d\n", indent,
1730		separator, cfg->defaultImage);
1731		}
1732		} else {
1733		int image = cfg->defaultImage;
1734
1735	if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) {	entry = cfg->entries;
1736	fprintf(stderr, "grubby: failed to open %s: %s\n",	while (entry && entry->skip)
1737	_PATH_MOUNTED, strerror(errno));	entry = entry->next;
1738	return NULL;
1739	}	i = 0;
1740		while (entry && i < image) {
1741		entry = entry->next;
1742
1743	rc = read(fd, buf, sizeof(buf) - 1);	while (entry && entry->skip)
1744	if (rc <= 0) {	entry = entry->next;
1745	fprintf(stderr, "grubby: failed to read %s: %s\n",	i++;
1746	_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++;
	}
1747
1748	/* Return the last / entry found */	if (!entry)
1749	if (foundanswer) {	return;
	chptr = strchr(foundanswer, ' ');
	*chptr = '\0';
	return strdup(foundanswer);
	}
1750
1751	return NULL;	line = getLineByType(LT_TITLE, entry->lines);
1752
1753		if (line && line->numElements >= 2)
1754		fprintf(out, "%sdefault%s%s\n", indent,
1755		separator, line->elements[1].item);
1756		else if (line && (line->numElements == 1)
1757		&& cfg->cfi->titleBracketed) {
1758		char *title = extractTitle(cfg, line);
1759		if (title) {
1760		fprintf(out, "%sdefault%s%s\n", indent,
1761		separator, title);
1762		free(title);
1763		}
1764		}
1765		}
1766		}
1767	}	}
1768
1769	void printEntry(struct singleEntry * entry, FILE *f) {	static int writeConfig(struct grubConfig *cfg, char *outName,
1770	int i;	const char *prefix)
1771	struct singleLine * line;	{
1772		FILE *out;
1773		struct singleLine *line;
1774		struct singleEntry *entry;
1775		char *tmpOutName;
1776		int needs = MAIN_DEFAULT;
1777		struct stat sb;
1778		int i;
1779
1780		if (!strcmp(outName, "-")) {
1781		out = stdout;
1782		tmpOutName = NULL;
1783		} else {
1784		if (!lstat(outName, &sb) && S_ISLNK(sb.st_mode)) {
1785		char *buf;
1786		int len = 256;
1787		int rc;
1788
1789		/* most likely the symlink is relative, so change our
1790		directory to the dir of the symlink */
1791		char *dir = strdupa(outName);
1792		rc = chdir(dirname(dir));
1793		do {
1794		buf = alloca(len + 1);
1795		rc = readlink(basename(outName), buf, len);
1796		if (rc == len)
1797		len += 256;
1798		} while (rc == len);
1799
1800		if (rc < 0) {
1801		fprintf(stderr,
1802		_
1803		("grubby: error readlink link %s: %s\n"),
1804		outName, strerror(errno));
1805		return 1;
1806		}
1807
1808		outName = buf;
1809		outName[rc] = '\0';
1810		}
1811
1812	for (line = entry->lines; line; line = line->next) {	tmpOutName = alloca(strlen(outName) + 2);
1813	log_message(f, "DBG: %s", line->indent);	sprintf(tmpOutName, "%s-", outName);
1814	for (i = 0; i < line->numElements; i++) {	out = fopen(tmpOutName, "w");
1815	/* Need to handle this, because we strip the quotes from	if (!out) {
1816	* menuentry when read it. */	fprintf(stderr, _("grubby: error creating %s: %s\n"),
1817	if (line->type == LT_MENUENTRY && i == 1) {	tmpOutName, strerror(errno));
1818	if(!isquote(*line->elements[i].item))	return 1;
1819	log_message(f, "\'%s\'", line->elements[i].item);	}
1820	else
1821	log_message(f, "%s", line->elements[i].item);	if (!stat(outName, &sb)) {
1822	log_message(f, "%s", line->elements[i].indent);	if (chmod(tmpOutName, sb.st_mode & ~(S_IFMT))) {
1823		fprintf(stderr,
1824	continue;	_
1825	}	("grubby: error setting perms on %s: %s\n"),
1826		tmpOutName, strerror(errno));
1827	log_message(f, "%s%s",	fclose(out);
1828	line->elements[i].item, line->elements[i].indent);	unlink(tmpOutName);
1829		return 1;
1830		}
1831		}
1832	}	}
1833	log_message(f, "\n");
1834	}	line = cfg->theLines;
1835		struct keywordTypes *defaultKw = getKeywordByType(LT_DEFAULT, cfg->cfi);
1836		while (line) {
1837		if (line->type == LT_SET_VARIABLE && defaultKw &&
1838		line->numElements == 3 &&
1839		!strcmp(line->elements[1].item, defaultKw->key) &&
1840		!is_special_grub2_variable(line->elements[2].item)) {
1841		writeDefault(out, line->indent,
1842		line->elements[0].indent, cfg);
1843		needs &= ~MAIN_DEFAULT;
1844		} else if (line->type == LT_DEFAULT) {
1845		writeDefault(out, line->indent,
1846		line->elements[0].indent, cfg);
1847		needs &= ~MAIN_DEFAULT;
1848		} else if (line->type == LT_FALLBACK) {
1849		if (cfg->fallbackImage > -1)
1850		fprintf(out, "%s%s%s%d\n", line->indent,
1851		line->elements[0].item,
1852		line->elements[0].indent,
1853		cfg->fallbackImage);
1854		} else {
1855		if (lineWrite(out, line, cfg->cfi) == -1) {
1856		fprintf(stderr,
1857		_("grubby: error writing %s: %s\n"),
1858		tmpOutName, strerror(errno));
1859		fclose(out);
1860		unlink(tmpOutName);
1861		return 1;
1862		}
1863		}
1864
1865		line = line->next;
1866		}
1867
1868		if (needs & MAIN_DEFAULT) {
1869		writeDefault(out, cfg->primaryIndent, "=", cfg);
1870		needs &= ~MAIN_DEFAULT;
1871		}
1872
1873		i = 0;
1874		while ((entry = findEntryByIndex(cfg, i++))) {
1875		if (entry->skip)
1876		continue;
1877
1878		line = entry->lines;
1879		while (line) {
1880		if (lineWrite(out, line, cfg->cfi) == -1) {
1881		fprintf(stderr,
1882		_("grubby: error writing %s: %s\n"),
1883		tmpOutName, strerror(errno));
1884		fclose(out);
1885		unlink(tmpOutName);
1886		return 1;
1887		}
1888		line = line->next;
1889		}
1890		}
1891
1892		if (tmpOutName) {
1893		if (rename(tmpOutName, outName)) {
1894		fprintf(stderr,
1895		_("grubby: error moving %s to %s: %s\n"),
1896		tmpOutName, outName, strerror(errno));
1897		unlink(outName);
1898		return 1;
1899		}
1900		}
1901
1902		return 0;
1903	}	}
1904
1905	void notSuitablePrintf(struct singleEntry * entry, int okay, const char *fmt, ...)	static int numEntries(struct grubConfig *cfg)
1906	{	{
1907	static int once;	int i = 0;
1908	va_list argp, argq;	struct singleEntry *entry;
1909
1910	va_start(argp, fmt);	entry = cfg->entries;
1911		while (entry) {
1912		if (!entry->skip)
1913		i++;
1914		entry = entry->next;
1915		}
1916		return i;
1917		}
1918
1919	va_copy(argq, argp);	static char *findDiskForRoot()
1920	if (!once) {	{
1921	log_time(NULL);	int fd;
1922	log_message(NULL, "command line: %s\n", saved_command_line);	char buf[65536];
1923	}	char *devname;
1924	log_message(NULL, "DBG: Image entry %s: ", okay ? "succeeded" : "failed");	char *chptr;
1925	log_vmessage(NULL, fmt, argq);	int rc;
1926
1927	printEntry(entry, NULL);	if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) {
1928	va_end(argq);	fprintf(stderr, "grubby: failed to open %s: %s\n",
1929		_PATH_MOUNTED, strerror(errno));
1930		return NULL;
1931		}
1932
1933		rc = read(fd, buf, sizeof(buf) - 1);
1934		if (rc <= 0) {
1935		fprintf(stderr, "grubby: failed to read %s: %s\n",
1936		_PATH_MOUNTED, strerror(errno));
1937		close(fd);
1938		return NULL;
1939		}
1940		close(fd);
1941		buf[rc] = '\0';
1942		chptr = buf;
1943
1944	if (!debug) {	char *foundanswer = NULL;
	once = 1;
	va_end(argp);
	return;
	}
1945
1946	if (okay) {	while (chptr && chptr != buf + rc) {
1947	va_end(argp);	devname = chptr;
1948	return;
1949	}	/*
1950		* The first column of a mtab entry is the device, but if the
1951		* entry is a special device it won't start with /, so move
1952		* on to the next line.
1953		*/
1954		if (*devname != '/') {
1955		chptr = strchr(chptr, '\n');
1956		if (chptr)
1957		chptr++;
1958		continue;
1959		}
1960
1961		/* Seek to the next space */
1962		chptr = strchr(chptr, ' ');
1963		if (!chptr) {
1964		fprintf(stderr, "grubby: error parsing %s: %s\n",
1965		_PATH_MOUNTED, strerror(errno));
1966		return NULL;
1967		}
1968
1969		/*
1970		* The second column of a mtab entry is the mount point, we
1971		* are looking for '/' obviously.
1972		*/
1973		if (*(++chptr) == '/' && *(++chptr) == ' ') {
1974		/* remember the last / entry in mtab */
1975		foundanswer = devname;
1976		}
1977
1978		/* Next line */
1979		chptr = strchr(chptr, '\n');
1980		if (chptr)
1981		chptr++;
1982		}
1983
1984		/* Return the last / entry found */
1985		if (foundanswer) {
1986		chptr = strchr(foundanswer, ' ');
1987		*chptr = '\0';
1988		return strdup(foundanswer);
1989		}
1990
1991		return NULL;
1992		}
1993
1994		void printEntry(struct singleEntry *entry, FILE * f)
1995		{
1996		int i;
1997		struct singleLine *line;
1998
1999		for (line = entry->lines; line; line = line->next) {
2000		log_message(f, "DBG: %s", line->indent);
2001		for (i = 0; i < line->numElements; i++) {
2002		/* Need to handle this, because we strip the quotes from
2003		* menuentry when read it. */
2004		if (line->type == LT_MENUENTRY && i == 1) {
2005		if (!isquote(*line->elements[i].item))
2006		log_message(f, "\'%s\'",
2007		line->elements[i].item);
2008		else
2009		log_message(f, "%s",
2010		line->elements[i].item);
2011		log_message(f, "%s", line->elements[i].indent);
2012
2013		continue;
2014		}
2015
2016		log_message(f, "%s%s",
2017		line->elements[i].item,
2018		line->elements[i].indent);
2019		}
2020		log_message(f, "\n");
2021		}
2022		}
2023
2024		void notSuitablePrintf(struct singleEntry *entry, int okay, const char *fmt,
2025		...)
2026		{
2027		static int once;
2028		va_list argp, argq;
2029
2030		va_start(argp, fmt);
2031
2032	if (!once)	va_copy(argq, argp);
2033	log_message(stderr, "DBG: command line: %s\n", saved_command_line);	if (!once) {
2034	once = 1;	log_time(NULL);
2035	fprintf(stderr, "DBG: Image entry failed: ");	log_message(NULL, "command line: %s\n", saved_command_line);
2036	vfprintf(stderr, fmt, argp);	}
2037	printEntry(entry, stderr);	log_message(NULL, "DBG: Image entry %s: ",
2038	va_end(argp);	okay ? "succeeded" : "failed");
2039		log_vmessage(NULL, fmt, argq);
2040
2041		printEntry(entry, NULL);
2042		va_end(argq);
2043
2044		if (!debug) {
2045		once = 1;
2046		va_end(argp);
2047		return;
2048		}
2049
2050		if (okay) {
2051		va_end(argp);
2052		return;
2053		}
2054
2055		if (!once)
2056		log_message(stderr, "DBG: command line: %s\n",
2057		saved_command_line);
2058		once = 1;
2059		fprintf(stderr, "DBG: Image entry failed: ");
2060		vfprintf(stderr, fmt, argp);
2061		printEntry(entry, stderr);
2062		va_end(argp);
2063	}	}
2064
2065	#define beginswith(s, c) ((s) && (s)[0] == (c))	#define beginswith(s, c) ((s) && (s)[0] == (c))
#	Line 1861  static int endswith(const char *s, char	Line 2075  static int endswith(const char *s, char
2075	return s[slen] == c;	return s[slen] == c;
2076	}	}
2077
2078	int suitableImage(struct singleEntry * entry, const char * bootPrefix,	int suitableImage(struct singleEntry *entry, const char *bootPrefix,
2079	int skipRemoved, int flags) {	int skipRemoved, int flags)
2080	struct singleLine * line;	{
2081	char * fullName;	struct singleLine *line;
2082	int i;	char *fullName;
2083	char * dev;	int i;
2084	char * rootspec;	char *dev;
2085	char * rootdev;	char *rootspec;
2086		char *rootdev;
	if (skipRemoved && entry->skip) {
	notSuitablePrintf(entry, 0, "marked to skip\n");
	return 0;
	}
2087
2088	line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);	if (skipRemoved && entry->skip) {
2089	if (!line) {	notSuitablePrintf(entry, 0, "marked to skip\n");
2090	notSuitablePrintf(entry, 0, "no line found\n");	return 0;
2091	return 0;	}
	}
	if (line->numElements < 2) {
	notSuitablePrintf(entry, 0, "line has only %d elements\n",
	line->numElements);
	return 0;
	}
2092
2093	if (flags & GRUBBY_BADIMAGE_OKAY) {	line =
2094	notSuitablePrintf(entry, 1, "\n");	getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI | LT_KERNEL_16,
2095	return 1;	entry->lines);
2096	}	if (!line) {
2097		notSuitablePrintf(entry, 0, "no line found\n");
2098		return 0;
2099		}
2100		if (line->numElements < 2) {
2101		notSuitablePrintf(entry, 0, "line has only %d elements\n",
2102		line->numElements);
2103		return 0;
2104		}
2105
2106	fullName = alloca(strlen(bootPrefix) +	if (flags & GRUBBY_BADIMAGE_OKAY) {
2107	strlen(line->elements[1].item) + 1);	notSuitablePrintf(entry, 1, "\n");
2108	rootspec = getRootSpecifier(line->elements[1].item);	return 1;
2109	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);
2110
2111	if (line && line->numElements >= 2) {	fullName = alloca(strlen(bootPrefix) +
2112	dev = line->elements[1].item;	strlen(line->elements[1].item) + 1);
2113		rootspec = getRootSpecifier(line->elements[1].item);
2114		int rootspec_offset = rootspec ? strlen(rootspec) : 0;
2115		int hasslash = endswith(bootPrefix, '/') ||
2116		beginswith(line->elements[1].item + rootspec_offset, '/');
2117		sprintf(fullName, "%s%s%s", bootPrefix, hasslash ? "" : "/",
2118		line->elements[1].item + rootspec_offset);
2119		if (access(fullName, R_OK)) {
2120		notSuitablePrintf(entry, 0, "access to %s failed\n", fullName);
2121		return 0;
2122		}
2123		for (i = 2; i < line->numElements; i++)
2124		if (!strncasecmp(line->elements[i].item, "root=", 5))
2125		break;
2126		if (i < line->numElements) {
2127		dev = line->elements[i].item + 5;
2128	} else {	} else {
2129	/* didn't succeed in finding a LT_ROOT, let's try LT_KERNELARGS.	/* look for a lilo style LT_ROOT line */
2130	* 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);
2131
2132	/* failed to find one */	if (line && line->numElements >= 2) {
2133	if (!line) {	dev = line->elements[1].item;
2134	notSuitablePrintf(entry, 0, "no line found\n");	} else {
2135	return 0;	/* didn't succeed in finding a LT_ROOT, let's try
2136	}	* LT_KERNELARGS.  grub+multiboot uses LT_MBMODULE
2137		* for the args, so check that too.
2138		*/
2139		line =
2140		getLineByType(LT_KERNELARGS | LT_MBMODULE,
2141		entry->lines);
2142
2143		/* failed to find one */
2144		if (!line) {
2145		notSuitablePrintf(entry, 0, "no line found\n");
2146		return 0;
2147		}
2148
2149	for (i = 1; i < line->numElements; i++)	for (i = 1; i < line->numElements; i++)
2150	if (!strncasecmp(line->elements[i].item, "root=", 5)) break;	if (!strncasecmp
2151	if (i < line->numElements)	(line->elements[i].item, "root=", 5))
2152	dev = line->elements[i].item + 5;	break;
2153	else {	if (i < line->numElements)
2154	notSuitablePrintf(entry, 0, "no root= entry found\n");	dev = line->elements[i].item + 5;
2155	/* it failed too...  can't find root= */	else {
2156	return 0;	notSuitablePrintf(entry, 0,
2157	}	"no root= entry found\n");
2158		/* it failed too...  can't find root= */
2159		return 0;
2160		}
2161		}
2162	}	}
	}
2163
	dev = getpathbyspec(dev);
	if (!getpathbyspec(dev)) {
	notSuitablePrintf(entry, 0, "can't find blkid entry for %s\n", dev);
	return 0;
	} else
2164	dev = getpathbyspec(dev);	dev = getpathbyspec(dev);
2165		if (!getpathbyspec(dev)) {
2166		notSuitablePrintf(entry, 0, "can't find blkid entry for %s\n",
2167		dev);
2168		return 0;
2169		} else
2170		dev = getpathbyspec(dev);
2171
2172	rootdev = findDiskForRoot();	rootdev = findDiskForRoot();
2173	if (!rootdev) {	if (!rootdev) {
2174	notSuitablePrintf(entry, 0, "can't find root device\n");	notSuitablePrintf(entry, 0, "can't find root device\n");
2175	return 0;	return 0;
2176	}	}
2177
2178	if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) {	if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) {
2179	notSuitablePrintf(entry, 0, "uuid missing: rootdev %s, dev %s\n",	notSuitablePrintf(entry, 0,
2180	getuuidbydev(rootdev), getuuidbydev(dev));	"uuid missing: rootdev %s, dev %s\n",
2181	free(rootdev);	getuuidbydev(rootdev), getuuidbydev(dev));
2182	return 0;	free(rootdev);
2183	}	return 0;
2184		}
2185
2186	if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) {	if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) {
2187	notSuitablePrintf(entry, 0, "uuid mismatch: rootdev %s, dev %s\n",	notSuitablePrintf(entry, 0,
2188	getuuidbydev(rootdev), getuuidbydev(dev));	"uuid mismatch: rootdev %s, dev %s\n",
2189	free(rootdev);	getuuidbydev(rootdev), getuuidbydev(dev));
2190	return 0;	free(rootdev);
2191	}	return 0;
2192		}
2193
2194	free(rootdev);	free(rootdev);
2195	notSuitablePrintf(entry, 1, "\n");	notSuitablePrintf(entry, 1, "\n");
2196
2197	return 1;	return 1;
2198	}	}
2199
2200	/* 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
2201	is not NULL) which is not marked as skip */	is not NULL) which is not marked as skip */
2202	struct singleEntry * findEntryByPath(struct grubConfig * config,	struct singleEntry *findEntryByPath(struct grubConfig *config,
2203	const char * kernel, const char * prefix,	const char *kernel, const char *prefix,
2204	int * index) {	int *index)
2205	struct singleEntry * entry = NULL;	{
2206	struct singleLine * line;	struct singleEntry *entry = NULL;
2207	int i;	struct singleLine *line;
2208	char * chptr;	int i;
2209	char * rootspec = NULL;	char *chptr;
2210	enum lineType_e checkType = LT_KERNEL;	char *rootspec = NULL;
2211		enum lineType_e checkType = LT_KERNEL;
2212
2213		if (isdigit(*kernel)) {
2214		int *indexVars = alloca(sizeof(*indexVars) * strlen(kernel));
2215
2216		i = 0;
2217		indexVars[i] = strtol(kernel, &chptr, 10);
2218		while (*chptr == ',') {
2219		i++;
2220		kernel = chptr + 1;
2221		indexVars[i] = strtol(kernel, &chptr, 10);
2222		}
2223
2224	if (isdigit(*kernel)) {	if (*chptr) {
2225	int * indexVars = alloca(sizeof(*indexVars) * strlen(kernel));	/* can't parse it, bail */
2226		return NULL;
2227		}
2228
2229	i = 0;	indexVars[i + 1] = -1;
	indexVars[i] = strtol(kernel, &chptr, 10);
	while (*chptr == ',') {
	i++;
	kernel = chptr + 1;
	indexVars[i] = strtol(kernel, &chptr, 10);
	}
2230
2231	if (*chptr) {	i = 0;
2232	/* can't parse it, bail */	if (index) {
2233	return NULL;	while (i < *index) {
2234	}	i++;
2235		if (indexVars[i] == -1)
2236		return NULL;
2237		}
2238		}
2239
2240	indexVars[i + 1] = -1;	entry = findEntryByIndex(config, indexVars[i]);
2241		if (!entry)
2242		return NULL;
2243
2244		line =
2245		getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI |
2246		LT_KERNEL_16, entry->lines);
2247		if (!line)
2248		return NULL;
2249
2250	i = 0;	if (index)
2251	if (index) {	*index = indexVars[i];
2252	while (i < *index) {	return entry;
	i++;
	if (indexVars[i] == -1) return NULL;
	}
2253	}	}
2254
2255	entry = findEntryByIndex(config, indexVars[i]);	if (!strcmp(kernel, "DEFAULT")) {
2256	if (!entry) return NULL;	if (index && *index > config->defaultImage) {
2257		entry = NULL;
2258		} else {
2259		entry = findEntryByIndex(config, config->defaultImage);
2260		if (entry && entry->skip)
2261		entry = NULL;
2262		else if (index)
2263		*index = config->defaultImage;
2264		}
2265		} else if (!strcmp(kernel, "ALL")) {
2266		if (index)
2267		i = *index;
2268		else
2269		i = 0;
2270
2271	line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);	while ((entry = findEntryByIndex(config, i))) {
2272	if (!line) return NULL;	if (!entry->skip)
2273		break;
2274		i++;
2275		}
2276
2277	if (index) *index = indexVars[i];	if (entry && index)
2278	return entry;	*index = i;
	}
	if (!strcmp(kernel, "DEFAULT")) {
	if (index && *index > config->defaultImage) {
	entry = NULL;
2279	} else {	} else {
2280	entry = findEntryByIndex(config, config->defaultImage);	if (index)
2281	if (entry && entry->skip)	i = *index;
2282	entry = NULL;	else
2283	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++;
	}
2284
2285	if (entry && index)	if (!strncmp(kernel, "TITLE=", 6)) {
2286	*index = i;	prefix = "";
2287	} else {	checkType = LT_TITLE | LT_MENUENTRY;
2288	if (index)	kernel += 6;
2289	i = *index;	}
	else
	i = 0;
2290
2291	if (!strncmp(kernel, "TITLE=", 6)) {	for (entry = findEntryByIndex(config, i); entry;
2292	prefix = "";	entry = entry->next, i++) {
2293	checkType = LT_TITLE|LT_MENUENTRY;	if (entry->skip)
2294	kernel += 6;	continue;
2295	}
2296		dbgPrintf("findEntryByPath looking for %d %s in %p\n",
2297	for (entry = findEntryByIndex(config, i); entry; entry = entry->next, i++) {	checkType, kernel, entry);
2298	if (entry->skip) continue;
2299		/* check all the lines matching checkType */
2300	dbgPrintf("findEntryByPath looking for %d %s in %p\n", checkType, kernel, entry);	for (line = entry->lines; line; line = line->next) {
2301		enum lineType_e ct = checkType;
2302	/* check all the lines matching checkType */	if (entry->multiboot && checkType == LT_KERNEL)
2303	for (line = entry->lines; line; line = line->next) {	ct = LT_KERNEL | LT_KERNEL_EFI |
2304	enum lineType_e ct = checkType;	LT_MBMODULE | LT_HYPER |
2305	if (entry->multiboot && checkType == LT_KERNEL)	LT_KERNEL_16;
2306	ct = LT_KERNEL|LT_KERNEL_EFI|LT_MBMODULE|LT_HYPER|LT_KERNEL_16;	else if (checkType & LT_KERNEL)
2307	else if (checkType & LT_KERNEL)	ct = checkType | LT_KERNEL_EFI |
2308	ct = checkType | LT_KERNEL_EFI | LT_KERNEL_16;	LT_KERNEL_16;
2309	line = getLineByType(ct, line);	line = getLineByType(ct, line);
2310	if (!line)	if (!line)
2311	break;  /* not found in this entry */	break; /* not found in this entry */
2312
2313		if (line && line->type != LT_MENUENTRY &&
2314		line->numElements >= 2) {
2315		rootspec =
2316		getRootSpecifier(line->elements[1].
2317		item);
2318		if (!strcmp
2319		(line->elements[1].item +
2320		((rootspec !=
2321		NULL) ? strlen(rootspec) : 0),
2322		kernel + strlen(prefix)))
2323		break;
2324		}
2325		if (line->type == LT_MENUENTRY &&
2326		!strcmp(line->elements[1].item, kernel))
2327		break;
2328		}
2329
2330	if (line && line->type != LT_MENUENTRY &&	/* make sure this entry has a kernel identifier; this skips
2331	line->numElements >= 2) {	* non-Linux boot entries (could find netbsd etc, though, which is
2332	rootspec = getRootSpecifier(line->elements[1].item);	* unfortunate)
2333	if (!strcmp(line->elements[1].item +	*/
2334	((rootspec != NULL) ? strlen(rootspec) : 0),	if (line
2335	kernel + strlen(prefix)))	&& getLineByType(LT_KERNEL | LT_HYPER |
2336	break;	LT_KERNEL_EFI | LT_KERNEL_16,
2337		entry->lines))
2338		break; /* found 'im! */
2339	}	}
	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! */
	}
2340
2341	if (index) *index = i;	if (index)
2342	}	*index = i;
2343		}
2344
2345	return entry;	return entry;
2346	}	}
2347
2348	struct singleEntry * findEntryByTitle(struct grubConfig * cfg, char *title,	struct singleEntry *findEntryByTitle(struct grubConfig *cfg, char *title,
2349	int * index) {	int *index)
2350	struct singleEntry * entry;	{
2351	struct singleLine * line;	struct singleEntry *entry;
2352	int i;	struct singleLine *line;
2353	char * newtitle;	int i;
2354		char *newtitle;
2355	for (i = 0, entry = cfg->entries; entry; entry = entry->next, i++) {
2356	if (index && i < *index)	for (i = 0, entry = cfg->entries; entry; entry = entry->next, i++) {
2357	continue;	if (index && i < *index)
2358	line = getLineByType(LT_TITLE, entry->lines);	continue;
2359	if (!line)	line = getLineByType(LT_TITLE, entry->lines);
2360	line = getLineByType(LT_MENUENTRY, entry->lines);	if (!line)
2361	if (!line)	line = getLineByType(LT_MENUENTRY, entry->lines);
2362	continue;	if (!line)
2363	newtitle = grub2ExtractTitle(line);	continue;
2364	if (!newtitle)	newtitle = grub2ExtractTitle(line);
2365	continue;	if (!newtitle)
2366	if (!strcmp(title, newtitle))	continue;
2367	break;	if (!strcmp(title, newtitle))
2368	}	break;
2369		}
2370
2371	if (!entry)	if (!entry)
2372	return NULL;	return NULL;
2373
2374	if (index)	if (index)
2375	*index = i;	*index = i;
2376	return entry;	return entry;
2377	}	}
2378
2379	struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index) {	struct singleEntry *findEntryByIndex(struct grubConfig *cfg, int index)
2380	struct singleEntry * entry;	{
2381		struct singleEntry *entry;
	entry = cfg->entries;
	while (index && entry) {
	entry = entry->next;
	index--;
	}
2382
2383	return entry;	entry = cfg->entries;
2384		while (index && entry) {
2385		entry = entry->next;
2386		index--;
2387		}
2388
2389		return entry;
2390	}	}
2391
2392	/* 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 2143  struct singleEntry * findEntryByIndex(st	Line 2394  struct singleEntry * findEntryByIndex(st
2394	* is going to be removed). Try and use the default entry, but	* is going to be removed). Try and use the default entry, but
2395	* 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,
2396	* bail. */	* bail. */
2397	struct singleEntry * findTemplate(struct grubConfig * cfg, const char * prefix,	struct singleEntry *findTemplate(struct grubConfig *cfg, const char *prefix,
2398	int * indexPtr, int skipRemoved, int flags) {	int *indexPtr, int skipRemoved, int flags)
2399	struct singleEntry * entry, * entry2;	{
2400	int index;	struct singleEntry *entry, *entry2;
2401		int index;
2402	if (cfg->cfi->defaultIsSaved) {
2403	if (cfg->cfi->getEnv) {	if (cfg->cfi->defaultIsSaved) {
2404	char *defTitle = cfg->cfi->getEnv(cfg->cfi, "saved_entry");	if (cfg->cfi->getEnv) {
2405	if (defTitle) {	char *defTitle =
2406	int index = 0;	cfg->cfi->getEnv(cfg->cfi, "saved_entry");
2407	if (isnumber(defTitle)) {	if (defTitle) {
2408	index = atoi(defTitle);	int index = 0;
2409	entry = findEntryByIndex(cfg, index);	if (isnumber(defTitle)) {
2410	} else {	index = atoi(defTitle);
2411	entry = findEntryByTitle(cfg, defTitle, &index);	entry = findEntryByIndex(cfg, index);
2412		} else {
2413		entry =
2414		findEntryByTitle(cfg, defTitle,
2415		&index);
2416		}
2417		if (entry
2418		&& suitableImage(entry, prefix, skipRemoved,
2419		flags)) {
2420		cfg->defaultImage = index;
2421		if (indexPtr)
2422		*indexPtr = index;
2423		return entry;
2424		}
2425		}
2426	}	}
2427		} else if (cfg->defaultImage >= FIRST_ENTRY_INDEX) {
2428		entry = findEntryByIndex(cfg, cfg->defaultImage);
2429	if (entry && suitableImage(entry, prefix, skipRemoved, flags)) {	if (entry && suitableImage(entry, prefix, skipRemoved, flags)) {
2430	cfg->defaultImage = index;	if (indexPtr)
2431	if (indexPtr)	*indexPtr = cfg->defaultImage;
2432	*indexPtr = index;	return entry;
2433	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;
2434	}	}
	}
2435
2436	index = 0;	index = 0;
2437	while ((entry = findEntryByIndex(cfg, index))) {	while ((entry = findEntryByIndex(cfg, index))) {
2438	if (suitableImage(entry, prefix, skipRemoved, flags)) {	if (suitableImage(entry, prefix, skipRemoved, flags)) {
2439	int j;	int j;
2440	for (j = 0; j < index; j++) {	for (j = 0; j < index; j++) {
2441	entry2 = findEntryByIndex(cfg, j);	entry2 = findEntryByIndex(cfg, j);
2442	if (entry2->skip) index--;	if (entry2->skip)
2443	}	index--;
2444	if (indexPtr) *indexPtr = index;	}
2445		if (indexPtr)
2446		*indexPtr = index;
2447
2448	return entry;	return entry;
2449	}	}
2450
2451	index++;	index++;
2452	}	}
2453
2454	fprintf(stderr, _("grubby fatal error: unable to find a suitable template\n"));	fprintf(stderr,
2455		_("grubby fatal error: unable to find a suitable template\n"));
2456
2457	return NULL;	return NULL;
2458	}	}
2459
2460	char * findBootPrefix(void) {	char *findBootPrefix(void)
2461	struct stat sb, sb2;	{
2462		struct stat sb, sb2;
2463
2464	stat("/", &sb);	stat("/", &sb);
2465	#ifdef __ia64__	#ifdef __ia64__
2466	stat("/boot/efi/EFI/redhat/", &sb2);	stat("/boot/efi/EFI/redhat/", &sb2);
2467	#else	#else
2468	stat("/boot", &sb2);	stat("/boot", &sb2);
2469	#endif	#endif
2470
2471	if (sb.st_dev == sb2.st_dev)	if (sb.st_dev == sb2.st_dev)
2472	return strdup("");	return strdup("");
2473
2474	#ifdef __ia64__	#ifdef __ia64__
2475	return strdup("/boot/efi/EFI/redhat/");	return strdup("/boot/efi/EFI/redhat/");
2476	#else	#else
2477	return strdup("/boot");	return strdup("/boot");
2478	#endif	#endif
2479	}	}
2480
2481	void markRemovedImage(struct grubConfig * cfg, const char * image,	void markRemovedImage(struct grubConfig *cfg, const char *image,
2482	const char * prefix) {	const char *prefix)
2483	struct singleEntry * entry;	{
2484		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;
	}
2485
2486	while ((entry = findEntryByPath(cfg, image, prefix, NULL)))	if (!image)
2487	entry->skip = 1;	return;
	}
2488
2489	void setDefaultImage(struct grubConfig * config, int hasNew,	/* check and see if we're removing the default image */
2490	const char * defaultKernelPath, int newIsDefault,	if (isdigit(*image)) {
2491	const char * prefix, int flags, int index) {	entry = findEntryByPath(cfg, image, prefix, NULL);
2492	struct singleEntry * entry, * entry2, * newDefault;	if (entry)
2493	int i, j;	entry->skip = 1;
2494		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;
2495	}	}
	}
2496
2497	/* defaultImage now points to what we'd like to use, but before any order	while ((entry = findEntryByPath(cfg, image, prefix, NULL)))
2498	changes */	entry->skip = 1;
	if ((config->defaultImage == DEFAULT_SAVED) ||
	(config->defaultImage == DEFAULT_SAVED_GRUB2))
	/* default is set to saved, we don't want to change it */
	return;
	if (config->defaultImage > -1)
	entry = findEntryByIndex(config, config->defaultImage);
	else
	entry = NULL;
	if (entry && !entry->skip) {
	/* we can preserve the default */
	if (hasNew)
	config->defaultImage++;
	/* count the number of entries erased before this one */
	for (j = 0; j < config->defaultImage; j++) {
	entry2 = findEntryByIndex(config, j);
	if (entry2->skip) config->defaultImage--;
	}
	} else if (hasNew) {
	config->defaultImage = 0;
	} else {
	/* Either we just erased the default (or the default line was bad
	* to begin with) and didn't put a new one in. We'll use the first
	* valid image. */
	newDefault = findTemplate(config, prefix, &config->defaultImage, 1,
	flags);
	if (!newDefault)
	config->defaultImage = -1;
	}
2499	}	}
2500
2501	void setFallbackImage(struct grubConfig * config, int hasNew) {	void setDefaultImage(struct grubConfig *config, int isUserSpecifiedKernelPath,
2502	struct singleEntry * entry, * entry2;	const char *defaultKernelPath, int newBootEntryIsDefault,
2503	int j;	const char *prefix, int flags, int newDefaultBootEntryIndex)
2504		{
2505	if (config->fallbackImage == -1) return;	struct singleEntry *entry, *entry2, *newDefault;
2506		int i, j;
	entry = findEntryByIndex(config, config->fallbackImage);
	if (!entry || entry->skip) {
	config->fallbackImage = -1;
	return;
	}
	if (hasNew)
	config->fallbackImage++;
	/* count the number of entries erased before this one */
	for (j = 0; j < config->fallbackImage; j++) {
	entry2 = findEntryByIndex(config, j);
	if (entry2->skip) config->fallbackImage--;
	}
	}
2507
2508	void displayEntry(struct singleEntry * entry, const char * prefix, int index) {	if (newBootEntryIsDefault) {
2509	struct singleLine * line;	config->defaultImage = FIRST_ENTRY_INDEX;
2510	char * root = NULL;	return;
2511	int i;	} else if ((newDefaultBootEntryIndex >= 0) && config->cfi->defaultIsIndex) {
2512	int j;	if (findEntryByIndex(config, newDefaultBootEntryIndex))
2513		config->defaultImage = newDefaultBootEntryIndex;
2514	printf("index=%d\n", index);	else
2515		config->defaultImage = NO_DEFAULT_ENTRY;
2516	line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);	return;
2517	if (!line) {	} else if (defaultKernelPath) {
2518	printf("non linux entry\n");	i = 0;
2519	return;	if (findEntryByPath(config, defaultKernelPath, prefix, &i)) {
2520	}	config->defaultImage = i;
2521		} else {
2522		config->defaultImage = NO_DEFAULT_ENTRY;
2523		return;
2524		}
2525		}
2526
2527	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))	/* defaultImage now points to what we'd like to use, but before any
2528	printf("kernel=%s\n", line->elements[1].item);	* order changes */
2529	else	if ((config->defaultImage == DEFAULT_SAVED) ||
2530	printf("kernel=%s%s\n", prefix, line->elements[1].item);	(config->defaultImage == DEFAULT_SAVED_GRUB2))
2531		/* default is set to saved, we don't want to change it */
2532	if (line->numElements >= 3) {	return;
2533	printf("args=\"");
2534	i = 2;	if (config->defaultImage >= FIRST_ENTRY_INDEX)
2535	while (i < line->numElements) {	entry = findEntryByIndex(config, config->defaultImage);
2536	if (!strncmp(line->elements[i].item, "root=", 5)) {	else
2537	root = line->elements[i].item + 5;	entry = NULL;
	} else {
	printf("%s%s", line->elements[i].item,
	line->elements[i].indent);
	}
2538
2539	i++;	if (entry && !entry->skip) {
2540		/* we can preserve the default */
2541		if (isUserSpecifiedKernelPath)
2542		config->defaultImage++;
2543
2544		/* count the number of entries erased before this one */
2545		for (j = 0; j < config->defaultImage; j++) {
2546		entry2 = findEntryByIndex(config, j);
2547		if (entry2->skip)
2548		config->defaultImage--;
2549		}
2550		} else if (isUserSpecifiedKernelPath) {
2551		config->defaultImage = FIRST_ENTRY_INDEX;
2552		} else {
2553		/* Either we just erased the default (or the default line was
2554		* bad to begin with) and didn't put a new one in. We'll use
2555		* the first valid image. */
2556		newDefault =
2557		findTemplate(config, prefix, &config->defaultImage, 1,
2558		flags);
2559		if (!newDefault)
2560		config->defaultImage = NO_DEFAULT_ENTRY;
2561	}	}
2562	printf("\"\n");	}
	} else {
	line = getLineByType(LT_KERNELARGS, entry->lines);
	if (line) {
	char * s;
2563
2564	printf("args=\"");	void setFallbackImage(struct grubConfig *config, int hasNew)
2565	i = 1;	{
2566	while (i < line->numElements) {	struct singleEntry *entry, *entry2;
2567	if (!strncmp(line->elements[i].item, "root=", 5)) {	int j;
	root = line->elements[i].item + 5;
	} else {
	s = line->elements[i].item;
2568
2569	printf("%s%s", s, line->elements[i].indent);	if (config->fallbackImage == -1)
2570	}	return;
2571
2572	i++;	entry = findEntryByIndex(config, config->fallbackImage);
2573	}	if (!entry || entry->skip) {
2574		config->fallbackImage = -1;
2575		return;
2576		}
2577
2578		if (hasNew)
2579		config->fallbackImage++;
2580
2581	s = line->elements[i - 1].indent;	/* count the number of entries erased before this one */
2582	printf("\"\n");	for (j = 0; j < config->fallbackImage; j++) {
2583		entry2 = findEntryByIndex(config, j);
2584		if (entry2->skip)
2585		config->fallbackImage--;
2586	}	}
2587	}	}
2588
2589	if (!root) {	void displayEntry(struct singleEntry *entry, const char *prefix, int index)
2590	line = getLineByType(LT_ROOT, entry->lines);	{
2591	if (line && line->numElements >= 2)	struct singleLine *line;
2592	root=line->elements[1].item;	char *root = NULL;
2593	}	int i;
2594		int j;
2595
2596	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);
	}
2597
2598	line = getLineByType(LT_INITRD|LT_INITRD_EFI|LT_INITRD_16, entry->lines);	line =
2599		getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI | LT_KERNEL_16,
2600		entry->lines);
2601		if (!line) {
2602		printf("non linux entry\n");
2603		return;
2604		}
2605
	if (line && line->numElements >= 2) {
2606	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))
2607	printf("initrd=");	printf("kernel=%s\n", line->elements[1].item);
2608	else	else
2609	printf("initrd=%s", prefix);	printf("kernel=%s%s\n", prefix, line->elements[1].item);
2610
2611	for (i = 1; i < line->numElements; i++)	if (line->numElements >= 3) {
2612	printf("%s%s", line->elements[i].item, line->elements[i].indent);	printf("args=\"");
2613	printf("\n");	i = 2;
2614	}	while (i < line->numElements) {
2615		if (!strncmp(line->elements[i].item, "root=", 5)) {
2616		root = line->elements[i].item + 5;
2617		} else {
2618		printf("%s%s", line->elements[i].item,
2619		line->elements[i].indent);
2620		}
2621
2622	line = getLineByType(LT_TITLE, entry->lines);	i++;
2623	if (line) {	}
2624	printf("title=%s\n", line->elements[1].item);	printf("\"\n");
2625	} else {	} else {
2626	char * title;	line = getLineByType(LT_KERNELARGS, entry->lines);
2627	line = getLineByType(LT_MENUENTRY, entry->lines);	if (line) {
2628	if (line) {	char *s;
2629	title = grub2ExtractTitle(line);
2630	if (title)	printf("args=\"");
2631	printf("title=%s\n", title);	i = 1;
2632	}	while (i < line->numElements) {
2633	}	if (!strncmp
2634		(line->elements[i].item, "root=", 5)) {
2635		root = line->elements[i].item + 5;
2636		} else {
2637		s = line->elements[i].item;
2638
2639	for (j = 0, line = entry->lines; line; line = line->next) {	printf("%s%s", s,
2640	if ((line->type & LT_MBMODULE) && line->numElements >= 2) {	line->elements[i].indent);
2641	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++;
	}
	}
	}
2642
2643	int isSuseSystem(void) {	i++;
2644	const char * path;	}
	const static char default_path[] = "/etc/SuSE-release";
2645
2646	if ((path = getenv("GRUBBY_SUSE_RELEASE")) == NULL)	s = line->elements[i - 1].indent;
2647	path = default_path;	printf("\"\n");
2648		}
2649		}
2650
2651	if (!access(path, R_OK))	if (!root) {
2652	return 1;	line = getLineByType(LT_ROOT, entry->lines);
2653	return 0;	if (line && line->numElements >= 2)
2654	}	root = line->elements[1].item;
2655		}
2656
2657	int isSuseGrubConf(const char * path) {	if (root) {
2658	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;
	}
2659
2660	while ((res = getline(&line, &len, grubConf)) != -1) {	strcpy(s, root);
2661	if (!strncmp(line, "setup", 5)) {	if (s[strlen(s) - 1] == '"')
2662	fclose(grubConf);	s[strlen(s) - 1] = '\0';
2663	free(line);	/* make sure the root doesn't have a trailing " */
2664	return 1;	printf("root=%s\n", s);
2665	}	}
	}
2666
2667	dbgPrintf("SuSE configuration file '%s' does not appear to be valid\n",	line =
2668	path);	getLineByType(LT_INITRD | LT_INITRD_EFI | LT_INITRD_16,
2669		entry->lines);
2670
2671	fclose(grubConf);	if (line && line->numElements >= 2) {
2672	free(line);	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))
2673	return 0;	printf("initrd=");
2674	}	else
2675		printf("initrd=%s", prefix);
2676
2677	int suseGrubConfGetLba(const char * path, int * lbaPtr) {	for (i = 1; i < line->numElements; i++)
2678	FILE * grubConf;	printf("%s%s", line->elements[i].item,
2679	char * line = NULL;	line->elements[i].indent);
2680	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';
2681	}	}
2682
2683	if (!strncmp(line, "setup", 5)) {	line = getLineByType(LT_TITLE, entry->lines);
2684	if (strstr(line, "--force-lba")) {	if (line) {
2685	*lbaPtr = 1;	printf("title=%s\n", line->elements[1].item);
2686	} else {	} else {
2687	*lbaPtr = 0;	char *title;
2688	}	line = getLineByType(LT_MENUENTRY, entry->lines);
2689	dbgPrintf("lba: %i\n", *lbaPtr);	if (line) {
2690	break;	title = grub2ExtractTitle(line);
2691		if (title)
2692		printf("title=%s\n", title);
2693		}
2694	}	}
	}
	free(line);
	fclose(grubConf);
	return 0;
	}
2695
2696	int suseGrubConfGetInstallDevice(const char * path, char ** devicePtr) {	for (j = 0, line = entry->lines; line; line = line->next) {
2697	FILE * grubConf;	if ((line->type & LT_MBMODULE) && line->numElements >= 2) {
2698	char * line = NULL;	if (!strncmp
2699	size_t res = 0, len = 0;	(prefix, line->elements[1].item, strlen(prefix)))
2700	char * lastParamPtr = NULL;	printf("mbmodule%d=", j);
2701	char * secLastParamPtr = NULL;	else
2702	char installDeviceNumber = '\0';	printf("mbmodule%d=%s", j, prefix);
2703	char * bounds = NULL;
2704		for (i = 1; i < line->numElements; i++)
2705	if (!path) return 1;	printf("%s%s", line->elements[i].item,
2706	if (!devicePtr) return 1;	line->elements[i].indent);
2707		printf("\n");
2708	grubConf = fopen(path, "r");	j++;
2709	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';
2710	}	}
2711		}
2712
2713	lastParamPtr = bounds = line + res;	int isSuseSystem(void)
2714		{
2715		const char *path;
2716		const static char default_path[] = "/etc/SuSE-release";
2717
2718	/* Last parameter in grub may be an optional IMAGE_DEVICE */	if ((path = getenv("GRUBBY_SUSE_RELEASE")) == NULL)
2719	while (!isspace(*lastParamPtr))	path = default_path;
	lastParamPtr--;
	lastParamPtr++;
2720
2721	secLastParamPtr = lastParamPtr - 2;	if (!access(path, R_OK))
2722	dbgPrintf("lastParamPtr: %s\n", lastParamPtr);	return 1;
2723		return 0;
2724		}
2725
2726	if (lastParamPtr + 3 > bounds) {	int isSuseGrubConf(const char *path)
2727	dbgPrintf("lastParamPtr going over boundary");	{
2728	fclose(grubConf);	FILE *grubConf;
2729	free(line);	char *line = NULL;
2730	return 1;	size_t len = 0, res = 0;
2731
2732		grubConf = fopen(path, "r");
2733		if (!grubConf) {
2734		dbgPrintf("Could not open SuSE configuration file '%s'\n",
2735		path);
2736		return 0;
2737	}	}
	if (!strncmp(lastParamPtr, "(hd", 3))
	lastParamPtr += 3;
	dbgPrintf("lastParamPtr: %c\n", *lastParamPtr);
2738
2739	/*	while ((res = getline(&line, &len, grubConf)) != -1) {
2740	* Second last parameter will decide wether last parameter is	if (!strncmp(line, "setup", 5)) {
2741	* an IMAGE_DEVICE or INSTALL_DEVICE	fclose(grubConf);
2742	*/	free(line);
2743	while (!isspace(*secLastParamPtr))	return 1;
2744	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;
2745	}	}
2746
2747	*devicePtr = malloc(6);	dbgPrintf("SuSE configuration file '%s' does not appear to be valid\n",
2748	snprintf(*devicePtr, 6, "(hd%c)", installDeviceNumber);	path);
2749	dbgPrintf("installDeviceNumber: %c\n", installDeviceNumber);
2750	fclose(grubConf);	fclose(grubConf);
2751	free(line);	free(line);
2752	return 0;	return 0;
2753	}	}
	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;
2754
2755	while ((res = getline(&line, &len, deviceMap)) != -1) {	int suseGrubConfGetLba(const char *path, int *lbaPtr)
2756	if (!strncmp(line, "#", 1))	{
2757	continue;	FILE *grubConf;
2758		char *line = NULL;
2759	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';
	}
2760
2761	devicePtr = line;	if (!path)
2762	bounds = line + res;	return 1;
2763		if (!lbaPtr)
2764		return 1;
2765
2766	while ((isspace(*line) && ((devicePtr + 1) <= bounds)))	grubConf = fopen(path, "r");
2767	devicePtr++;	if (!grubConf)
2768	dbgPrintf("device: %s\n", devicePtr);	return 1;
2769
2770	if (!strncmp(devicePtr, device, strlen(device))) {	while ((res = getline(&line, &len, grubConf)) != -1) {
2771	devicePtr += strlen(device);	if (line[res - 1] == '\n')
2772	while (isspace(*devicePtr) && ((devicePtr + 1) <= bounds))	line[res - 1] = '\0';
2773	devicePtr++;	else if (len > res)
2774		line[res] = '\0';
2775		else {
2776		line = realloc(line, res + 1);
2777		line[res] = '\0';
2778		}
2779
2780	*bootPtr = strdup(devicePtr);	if (!strncmp(line, "setup", 5)) {
2781	break;	if (strstr(line, "--force-lba")) {
2782		*lbaPtr = 1;
2783		} else {
2784		*lbaPtr = 0;
2785		}
2786		dbgPrintf("lba: %i\n", *lbaPtr);
2787		break;
2788		}
2789	}	}
	}
2790
2791	free(line);	free(line);
2792	fclose(deviceMap);	fclose(grubConf);
2793	return 0;	return 0;
	}
	int suseGrubConfGetBoot(const char * path, char ** bootPtr) {
	char * grubDevice;
	if (suseGrubConfGetInstallDevice(path, &grubDevice))
	dbgPrintf("error looking for grub installation device\n");
	else
	dbgPrintf("grubby installation device: %s\n", grubDevice);
	if (grubGetBootFromDeviceMap(grubDevice, bootPtr))
	dbgPrintf("error looking for grub boot device\n");
	else
	dbgPrintf("grubby boot device: %s\n", *bootPtr);
	free(grubDevice);
	return 0;
2794	}	}
2795
2796	int parseSuseGrubConf(int * lbaPtr, char ** bootPtr) {	int suseGrubConfGetInstallDevice(const char *path, char **devicePtr)
2797	/*	{
2798	* This SuSE grub configuration file at this location is not your average	FILE *grubConf;
2799	* grub configuration file, but instead the grub commands used to setup	char *line = NULL;
2800	* grub on that system.	size_t res = 0, len = 0;
2801	*/	char *lastParamPtr = NULL;
2802	const char * path;	char *secLastParamPtr = NULL;
2803	const static char default_path[] = "/etc/grub.conf";	char installDeviceNumber = '\0';
2804		char *bounds = NULL;
	if ((path = getenv("GRUBBY_SUSE_GRUB_CONF")) == NULL)
	path = default_path;
	if (!isSuseGrubConf(path)) return 1;
	if (lbaPtr) {
	*lbaPtr = 0;
	if (suseGrubConfGetLba(path, lbaPtr))
	return 1;
	}
2805
2806	if (bootPtr) {	if (!path)
2807	*bootPtr = NULL;	return 1;
2808	suseGrubConfGetBoot(path, bootPtr);	if (!devicePtr)
2809	}	return 1;
2810
2811	return 0;	grubConf = fopen(path, "r");
2812	}	if (!grubConf)
2813		return 1;
2814
2815	int parseSysconfigGrub(int * lbaPtr, char ** bootPtr) {	while ((res = getline(&line, &len, grubConf)) != -1) {
2816	FILE * in;	if (strncmp(line, "setup", 5))
2817	char buf[1024];	continue;
2818	char * chptr;
2819	char * start;	if (line[res - 1] == '\n')
2820	char * param;	line[res - 1] = '\0';
2821		else if (len > res)
2822	in = fopen("/etc/conf.d/grub", "r");	line[res] = '\0';
2823	if (!in) return 1;	else {
2824		line = realloc(line, res + 1);
2825	if (lbaPtr) *lbaPtr = 0;	line[res] = '\0';
2826	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);
	}
2827
2828	fclose(in);	lastParamPtr = bounds = line + res;
2829
2830	return 0;	/* Last parameter in grub may be an optional IMAGE_DEVICE */
2831	}	while (!isspace(*lastParamPtr))
2832		lastParamPtr--;
2833		lastParamPtr++;
2834
2835		secLastParamPtr = lastParamPtr - 2;
2836		dbgPrintf("lastParamPtr: %s\n", lastParamPtr);
2837
2838		if (lastParamPtr + 3 > bounds) {
2839		dbgPrintf("lastParamPtr going over boundary");
2840		fclose(grubConf);
2841		free(line);
2842		return 1;
2843		}
2844		if (!strncmp(lastParamPtr, "(hd", 3))
2845		lastParamPtr += 3;
2846		dbgPrintf("lastParamPtr: %c\n", *lastParamPtr);
2847
2848		/*
2849		* Second last parameter will decide wether last parameter is
2850		* an IMAGE_DEVICE or INSTALL_DEVICE
2851		*/
2852		while (!isspace(*secLastParamPtr))
2853		secLastParamPtr--;
2854		secLastParamPtr++;
2855
2856		if (secLastParamPtr + 3 > bounds) {
2857		dbgPrintf("secLastParamPtr going over boundary");
2858		fclose(grubConf);
2859		free(line);
2860		return 1;
2861		}
2862		dbgPrintf("secLastParamPtr: %s\n", secLastParamPtr);
2863		if (!strncmp(secLastParamPtr, "(hd", 3)) {
2864		secLastParamPtr += 3;
2865		dbgPrintf("secLastParamPtr: %c\n", *secLastParamPtr);
2866		installDeviceNumber = *secLastParamPtr;
2867		} else {
2868		installDeviceNumber = *lastParamPtr;
2869		}
2870
2871	void dumpSysconfigGrub(void) {	*devicePtr = malloc(6);
2872	char * boot = NULL;	snprintf(*devicePtr, 6, "(hd%c)", installDeviceNumber);
2873	int lba;	dbgPrintf("installDeviceNumber: %c\n", installDeviceNumber);
2874		fclose(grubConf);
2875	if (isSuseSystem()) {	free(line);
2876	if (parseSuseGrubConf(&lba, &boot)) {	return 0;
	free(boot);
	return;
	}
	} else {
	if (parseSysconfigGrub(&lba, &boot)) {
	free(boot);
	return;
2877	}	}
	}
2878
2879	if (lba) printf("lba\n");	free(line);
2880	if (boot) {	fclose(grubConf);
2881	printf("boot=%s\n", boot);	return 1;
	free(boot);
	}
2882	}	}
2883
2884	int displayInfo(struct grubConfig * config, char * kernel,	int grubGetBootFromDeviceMap(const char *device, char **bootPtr)
2885	const char * prefix) {	{
2886	int i = 0;	FILE *deviceMap;
2887	struct singleEntry * entry;	char *line = NULL;
2888	struct singleLine * line;	size_t res = 0, len = 0;
2889		char *devicePtr;
2890	entry = findEntryByPath(config, kernel, prefix, &i);	char *bounds = NULL;
2891	if (!entry) {	const char *path;
2892	fprintf(stderr, _("grubby: kernel not found\n"));	const static char default_path[] = "/boot/grub/device.map";
	return 1;
	}
2893
2894	/* this is a horrible hack to support /etc/conf.d/grub; there must	if (!device)
2895	be a better way */	return 1;
2896	if (config->cfi == &grubConfigType) {	if (!bootPtr)
2897	dumpSysconfigGrub();	return 1;
	} else {
	line = getLineByType(LT_BOOT, config->theLines);
	if (line && line->numElements >= 1) {
	printf("boot=%s\n", line->elements[1].item);
	}
2898
2899	line = getLineByType(LT_LBA, config->theLines);	if ((path = getenv("GRUBBY_GRUB_DEVICE_MAP")) == NULL)
2900	if (line) printf("lba\n");	path = default_path;
	}
2901
2902	displayEntry(entry, prefix, i);	dbgPrintf("opening grub device.map file from: %s\n", path);
2903		deviceMap = fopen(path, "r");
2904		if (!deviceMap)
2905		return 1;
2906
2907	i++;	while ((res = getline(&line, &len, deviceMap)) != -1) {
2908	while ((entry = findEntryByPath(config, kernel, prefix, &i))) {	if (!strncmp(line, "#", 1))
2909	displayEntry(entry, prefix, i);	continue;
2910	i++;
2911	}	if (line[res - 1] == '\n')
2912		line[res - 1] = '\0';
2913		else if (len > res)
2914		line[res] = '\0';
2915		else {
2916		line = realloc(line, res + 1);
2917		line[res] = '\0';
2918		}
2919
2920	return 0;	devicePtr = line;
2921	}	bounds = line + res;
2922
2923	struct singleLine * addLineTmpl(struct singleEntry * entry,	while ((isspace(*line) && ((devicePtr + 1) <= bounds)))
2924	struct singleLine * tmplLine,	devicePtr++;
2925	struct singleLine * prevLine,	dbgPrintf("device: %s\n", devicePtr);
2926	const char * val,
2927	struct configFileInfo * cfi)	if (!strncmp(devicePtr, device, strlen(device))) {
2928	{	devicePtr += strlen(device);
2929	struct singleLine * newLine = lineDup(tmplLine);	while (isspace(*devicePtr)
2930		&& ((devicePtr + 1) <= bounds))
2931	if (isEfi && cfi == &grub2ConfigType) {	devicePtr++;
	enum lineType_e old = newLine->type;
	newLine->type = preferredLineType(newLine->type, cfi);
	if (old != newLine->type)
	newLine->elements[0].item = getKeyByType(newLine->type, cfi);
	}
2932
2933	if (val) {	*bootPtr = strdup(devicePtr);
2934	/* override the inherited value with our own.	break;
2935	* This is a little weak because it only applies to elements[1]	}
	*/
	if (newLine->numElements > 1)
	removeElement(newLine, 1);
	insertElement(newLine, val, 1, cfi);
	/* but try to keep the rootspec from the template... sigh */
	if (tmplLine->type & (LT_HYPER|LT_KERNEL|LT_MBMODULE|LT_INITRD|LT_KERNEL_EFI|LT_INITRD_EFI|LT_KERNEL_16|LT_INITRD_16)) {
	char * rootspec = getRootSpecifier(tmplLine->elements[1].item);
	if (rootspec != NULL) {
	free(newLine->elements[1].item);
	newLine->elements[1].item =
	sdupprintf("%s%s", rootspec, val);
	}
2936	}	}
	}
	dbgPrintf("addLineTmpl(%s)\n", newLine->numElements ?
	newLine->elements[0].item : "");
	if (!entry->lines) {
	/* first one on the list */
	entry->lines = newLine;
	} else if (prevLine) {
	/* add after prevLine */
	newLine->next = prevLine->next;
	prevLine->next = newLine;
	}
2937
2938	return newLine;	free(line);
2939		fclose(deviceMap);
2940		return 0;
2941	}	}
2942
2943	/* val may be NULL */	int suseGrubConfGetBoot(const char *path, char **bootPtr)
2944	struct singleLine *  addLine(struct singleEntry * entry,	{
2945	struct configFileInfo * cfi,	char *grubDevice;
	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 = "";
	}
	}
	/* The last non-empty line gives us the indention to us and the line
	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;
	}
2946
2947	struct singleLine *menuEntry;	if (suseGrubConfGetInstallDevice(path, &grubDevice))
2948	menuEntry = getLineByType(LT_MENUENTRY, entry->lines);	dbgPrintf("error looking for grub installation device\n");
	if (tmpl.type == LT_ENTRY_END) {
	if (menuEntry)
	tmpl.indent = menuEntry->indent;
2949	else	else
2950	tmpl.indent = defaultIndent ?: "";	dbgPrintf("grubby installation device: %s\n", grubDevice);
2951	} else if (tmpl.type != LT_MENUENTRY) {
2952	if (menuEntry)	if (grubGetBootFromDeviceMap(grubDevice, bootPtr))
2953	tmpl.indent = "\t";	dbgPrintf("error looking for grub boot device\n");
	else if (prev == entry->lines)
	tmpl.indent = defaultIndent ?: "";
2954	else	else
2955	tmpl.indent = prev->indent;	dbgPrintf("grubby boot device: %s\n", *bootPtr);
	}
2956
2957	return addLineTmpl(entry, &tmpl, prev, val, cfi);	free(grubDevice);
2958		return 0;
2959	}	}
2960
2961	void removeLine(struct singleEntry * entry, struct singleLine * line) {	int parseSuseGrubConf(int *lbaPtr, char **bootPtr)
2962	struct singleLine * prev;	{
2963	int i;	/*
2964		* This SuSE grub configuration file at this location is not your
2965		* average grub configuration file, but instead the grub commands
2966		* used to setup grub on that system.
2967		*/
2968		const char *path;
2969		const static char default_path[] = "/etc/grub.conf";
2970
2971	for (i = 0; i < line->numElements; i++) {	if ((path = getenv("GRUBBY_SUSE_GRUB_CONF")) == NULL)
2972	free(line->elements[i].item);	path = default_path;
	free(line->elements[i].indent);
	}
	free(line->elements);
	free(line->indent);
2973
2974	if (line == entry->lines) {	if (!isSuseGrubConf(path))
2975	entry->lines = line->next;	return 1;
	} else {
	prev = entry->lines;
	while (prev->next != line) prev = prev->next;
	prev->next = line->next;
	}
2976
2977	free(line);	if (lbaPtr) {
2978	}	*lbaPtr = 0;
2979		if (suseGrubConfGetLba(path, lbaPtr))
2980		return 1;
2981		}
2982
2983	static void requote(struct singleLine *tmplLine, struct configFileInfo * cfi)	if (bootPtr) {
2984	{	*bootPtr = NULL;
2985	struct singleLine newLine = {	suseGrubConfGetBoot(path, bootPtr);
	.indent = tmplLine->indent,
	.type = tmplLine->type,
	.next = tmplLine->next,
	};
	int firstQuotedItem = -1;
	int quoteLen = 0;
	int j;
	int element = 0;
	char *c;
	c = malloc(strlen(tmplLine->elements[0].item) + 1);
	strcpy(c, tmplLine->elements[0].item);
	insertElement(&newLine, c, element++, cfi);
	free(c);
	c = NULL;
	for (j = 1; j < tmplLine->numElements; j++) {
	if (firstQuotedItem == -1) {
	quoteLen += strlen(tmplLine->elements[j].item);
	if (isquote(tmplLine->elements[j].item[0])) {
	firstQuotedItem = j;
	quoteLen += strlen(tmplLine->elements[j].indent);
	} else {
	c = malloc(quoteLen + 1);
	strcpy(c, tmplLine->elements[j].item);
	insertElement(&newLine, c, element++, cfi);
	free(c);
	quoteLen = 0;
	}
	} else {
	int itemlen = strlen(tmplLine->elements[j].item);
	quoteLen += itemlen;
	quoteLen += strlen(tmplLine->elements[j].indent);
	if (isquote(tmplLine->elements[j].item[itemlen - 1])) {
	c = malloc(quoteLen + 1);
	c[0] = '\0';
	for (int i = firstQuotedItem; i < j+1; i++) {
	strcat(c, tmplLine->elements[i].item);
	strcat(c, tmplLine->elements[i].indent);
	}
	insertElement(&newLine, c, element++, cfi);
	free(c);
	firstQuotedItem = -1;
	quoteLen = 0;
	}
2986	}	}
	}
	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;
	}
2987
2988	line->elements = realloc(line->elements, (line->numElements + 1) *	return 0;
2989	sizeof(*line->elements));	}
	memmove(&line->elements[insertHere+1],
	&line->elements[insertHere],
	(line->numElements - insertHere) *
	sizeof(*line->elements));
	line->elements[insertHere].item = strdup(item);
	kw = getKeywordByType(line->type, cfi);
	if (line->numElements == 0) {
	indent[0] = '\0';
	} else if (insertHere == 0) {
	indent[0] = kw->nextChar;
	} else if (kw->separatorChar != '\0') {
	indent[0] = kw->separatorChar;
	} else {
	indent[0] = ' ';
	}
2990
2991	if (insertHere > 0 && line->elements[insertHere-1].indent[0] == '\0') {	int parseSysconfigGrub(int *lbaPtr, char **bootPtr)
2992	/* move the end-of-line forward */	{
2993	line->elements[insertHere].indent =	FILE *in;
2994	line->elements[insertHere-1].indent;	char buf[1024];
2995	line->elements[insertHere-1].indent = strdup(indent);	char *chptr;
2996	} else {	char *start;
2997	line->elements[insertHere].indent = strdup(indent);	char *param;
	}
2998
2999	line->numElements++;	in = fopen("/etc/sysconfig/grub", "r");
3000		if (!in)
3001		return 1;
3002
3003	dbgPrintf("insertElement(%s, '%s%s', %d)\n",	if (lbaPtr)
3004	line->elements[0].item,	*lbaPtr = 0;
3005	line->elements[insertHere].item,	if (bootPtr)
3006	line->elements[insertHere].indent,	*bootPtr = NULL;
3007	insertHere);
3008	}	while (fgets(buf, sizeof(buf), in)) {
3009		start = buf;
3010		while (isspace(*start))
3011		start++;
3012		if (*start == '#')
3013		continue;
3014
3015		chptr = strchr(start, '=');
3016		if (!chptr)
3017		continue;
3018		chptr--;
3019		while (*chptr && isspace(*chptr))
3020		chptr--;
3021		chptr++;
3022		*chptr = '\0';
3023
3024		param = chptr + 1;
3025		while (*param && isspace(*param))
3026		param++;
3027		if (*param == '=') {
3028		param++;
3029		while (*param && isspace(*param))
3030		param++;
3031		}
3032
3033	static void removeElement(struct singleLine * line, int removeHere) {	chptr = param;
3034	int i;	while (*chptr && !isspace(*chptr))
3035		chptr++;
3036		*chptr = '\0';
3037
3038		if (!strcmp(start, "forcelba") && !strcmp(param, "1") && lbaPtr)
3039		*lbaPtr = 1;
3040		else if (!strcmp(start, "boot") && bootPtr)
3041		*bootPtr = strdup(param);
3042		}
3043
3044	/* sanity check */	fclose(in);
	if (removeHere >= line->numElements) return;
3045
3046	dbgPrintf("removeElement(%s, %d:%s)\n", line->elements[0].item,	return 0;
3047	removeHere, line->elements[removeHere].item);	}
3048
3049	free(line->elements[removeHere].item);	void dumpSysconfigGrub(void)
3050		{
3051		char *boot = NULL;
3052		int lba;
3053
3054	if (removeHere > 1) {	if (isSuseSystem()) {
3055	/* previous argument gets this argument's post-indentation */	if (parseSuseGrubConf(&lba, &boot)) {
3056	free(line->elements[removeHere-1].indent);	free(boot);
3057	line->elements[removeHere-1].indent =	return;
3058	line->elements[removeHere].indent;	}
3059	} else {	} else {
3060	free(line->elements[removeHere].indent);	if (parseSysconfigGrub(&lba, &boot)) {
3061	}	free(boot);
3062		return;
3063		}
3064		}
3065
3066	/* now collapse the array, but don't bother to realloc smaller */	if (lba)
3067	for (i = removeHere; i < line->numElements - 1; i++)	printf("lba\n");
3068	line->elements[i] = line->elements[i + 1];	if (boot) {
3069		printf("boot=%s\n", boot);
3070	line->numElements--;	free(boot);
	}
	int argMatch(const char * one, const char * two) {
	char * first, * second;
	char * chptr;
	first = strcpy(alloca(strlen(one) + 1), one);
	second = strcpy(alloca(strlen(two) + 1), two);
	chptr = strchr(first, '=');
	if (chptr) *chptr = '\0';
	chptr = strchr(second, '=');
	if (chptr) *chptr = '\0';
	return strcmp(first, second);
	}
	int updateActualImage(struct grubConfig * cfg, const char * image,
	const char * prefix, const char * addArgs,
	const char * removeArgs, int multibootArgs) {
	struct singleEntry * entry;
	struct singleLine * line, * rootLine;
	int index = 0;
	int i, k;
	const char ** newArgs, ** oldArgs;
	const char ** arg;
	int useKernelArgs, useRoot;
	int firstElement;
	int *usedElements;
	int doreplace;
	if (!image) return 0;
	if (!addArgs) {
	newArgs = malloc(sizeof(*newArgs));
	*newArgs = NULL;
	} else {
	if (poptParseArgvString(addArgs, NULL, &newArgs)) {
	fprintf(stderr,
	_("grubby: error separating arguments '%s'\n"), addArgs);
	return 1;
3071	}	}
3072	}	}
3073
3074	if (!removeArgs) {	int displayInfo(struct grubConfig *config, char *kernel, const char *prefix)
3075	oldArgs = malloc(sizeof(*oldArgs));	{
3076	*oldArgs = NULL;	int i = 0;
3077	} else {	struct singleEntry *entry;
3078	if (poptParseArgvString(removeArgs, NULL, &oldArgs)) {	struct singleLine *line;
3079	fprintf(stderr,
3080	_("grubby: error separating arguments '%s'\n"), removeArgs);	entry = findEntryByPath(config, kernel, prefix, &i);
3081	free(newArgs);	if (!entry) {
3082	return 1;	fprintf(stderr, _("grubby: kernel not found\n"));
3083		return 1;
3084	}	}
	}
3085
3086		/* this is a horrible hack to support /etc/sysconfig/grub; there must
3087		be a better way */
3088		if (config->cfi == &grubConfigType) {
3089		dumpSysconfigGrub();
3090		} else {
3091		line = getLineByType(LT_BOOT, config->theLines);
3092		if (line && line->numElements >= 1) {
3093		printf("boot=%s\n", line->elements[1].item);
3094		}
3095
3096	useKernelArgs = (getKeywordByType(LT_KERNELARGS, cfg->cfi)	line = getLineByType(LT_LBA, config->theLines);
3097	&& (!multibootArgs || cfg->cfi->mbConcatArgs));	if (line)
3098		printf("lba\n");
3099		}
3100
3101	useRoot = (getKeywordByType(LT_ROOT, cfg->cfi)	displayEntry(entry, prefix, i);
	&& !multibootArgs);
3102
3103	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {	i++;
3104		while ((entry = findEntryByPath(config, kernel, prefix, &i))) {
3105		displayEntry(entry, prefix, i);
3106		i++;
3107		}
3108
3109	if (multibootArgs && !entry->multiboot)	return 0;
3110	continue;	}
3111
3112	/* Determine where to put the args.  If this config supports	struct singleLine *addLineTmpl(struct singleEntry *entry,
3113	* LT_KERNELARGS, use that.  Otherwise use	struct singleLine *tmplLine,
3114	* LT_HYPER/LT_KERNEL/LT_MBMODULE lines.	struct singleLine *prevLine,
3115	*/	const char *val, struct configFileInfo *cfi)
3116	if (useKernelArgs) {	{
3117	line = getLineByType(LT_KERNELARGS, entry->lines);	struct singleLine *newLine = lineDup(tmplLine);
	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;
3118
3119	} else {	if (isEfi && cfi == &grub2ConfigType) {
3120	line = getLineByType(LT_KERNEL|LT_MBMODULE|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);	enum lineType_e old = newLine->type;
3121	if (!line) {	newLine->type = preferredLineType(newLine->type, cfi);
3122	/* no LT_KERNEL or LT_MBMODULE in this entry? */	if (old != newLine->type)
3123	continue;	newLine->elements[0].item =
3124	}	getKeyByType(newLine->type, cfi);
	firstElement = 2;
3125	}	}
3126
3127	/* handle the elilo case which does:	if (val) {
3128	*   append="hypervisor args -- kernel args"	/* override the inherited value with our own.
3129	*/	* This is a little weak because it only applies to elements[1]
	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
3130	*/	*/
3131	insertElement(line, "--", firstElement, cfg->cfi);	if (newLine->numElements > 1)
3132	i = firstElement;	removeElement(newLine, 1);
3133	}	insertElement(newLine, val, 1, cfi);
3134	if (!multibootArgs) {
3135	/* kernel args start after the -- */	/* but try to keep the rootspec from the template... sigh */
3136	firstElement = i + 1;	if (tmplLine->
3137	}	type & (LT_HYPER | LT_KERNEL | LT_MBMODULE | LT_INITRD |
3138	} else if (cfg->cfi->mbConcatArgs) {	LT_KERNEL_EFI | LT_INITRD_EFI | LT_KERNEL_16 |
3139	/* this is a non-multiboot entry, remove hyper args */	LT_INITRD_16)) {
3140	for (i = firstElement; i < line->numElements; i++) {	char *rootspec =
3141	if (!strcmp(line->elements[i].item, "--"))	getRootSpecifier(tmplLine->elements[1].item);
3142	break;	if (rootspec != NULL) {
3143	}	free(newLine->elements[1].item);
3144	if (i < line->numElements) {	newLine->elements[1].item =
3145	/* remove args up to -- */	sdupprintf("%s%s", rootspec, val);
3146	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;
	}
	}
	if (i < line->numElements && doreplace) {
	/* direct replacement */
	free(line->elements[i].item);
	line->elements[i].item = strdup(*arg);
	} else if (useRoot && !strncmp(*arg, "root=/dev/", 10)) {
	/* root= replacement */
	rootLine = getLineByType(LT_ROOT, entry->lines);
	if (rootLine) {
	free(rootLine->elements[1].item);
	rootLine->elements[1].item = strdup(*arg + 5);
	} else {
	rootLine = addLine(entry, cfg->cfi, LT_ROOT,
	cfg->secondaryIndent, *arg + 5);
3147	}	}
	}
	else {
	/* insert/append */
	insertElement(line, *arg, i, cfg->cfi);
	usedElements = realloc(usedElements, line->numElements *
	sizeof(*usedElements));
	memmove(&usedElements[i + 1], &usedElements[i],
	line->numElements - i - 1);
	usedElements[i] = 1;
	/* if we updated a root= here even though there is a
	LT_ROOT available we need to remove the LT_ROOT entry
	(this will happen if we switch from a device to a label) */
	if (useRoot && !strncmp(*arg, "root=", 5)) {
	rootLine = getLineByType(LT_ROOT, entry->lines);
	if (rootLine)
	removeLine(entry, rootLine);
	}
	}
	}
	free(usedElements);
	for (arg = oldArgs; *arg; arg++) {
	for (i = firstElement; i < line->numElements; i++) {
	if (multibootArgs && cfg->cfi->mbConcatArgs &&
	!strcmp(line->elements[i].item, "--"))
	/* reached the end of hyper args, stop here */
	break;
	if (!argMatch(line->elements[i].item, *arg)) {
	removeElement(line, i);
	break;
	}
	}
	/* handle removing LT_ROOT line too */
	if (useRoot && !strncmp(*arg, "root=", 5)) {
	rootLine = getLineByType(LT_ROOT, entry->lines);
	if (rootLine)
	removeLine(entry, rootLine);
	}
	}
	if (line->numElements == 1) {
	/* don't need the line at all (note it has to be a
	LT_KERNELARGS for this to happen */
	removeLine(entry, line);
3148	}	}
	}
3149
3150	free(newArgs);	dbgPrintf("addLineTmpl(%s)\n", newLine->numElements ?
3151	free(oldArgs);	newLine->elements[0].item : "");
3152
3153	return 0;	if (!entry->lines) {
3154		/* first one on the list */
3155		entry->lines = newLine;
3156		} else if (prevLine) {
3157		/* add after prevLine */
3158		newLine->next = prevLine->next;
3159		prevLine->next = newLine;
3160		}
3161
3162		return newLine;
3163	}	}
3164
3165	int updateImage(struct grubConfig * cfg, const char * image,	/* val may be NULL */
3166	const char * prefix, const char * addArgs,	struct singleLine *addLine(struct singleEntry *entry,
3167	const char * removeArgs,	struct configFileInfo *cfi,
3168	const char * addMBArgs, const char * removeMBArgs) {	enum lineType_e type, char *defaultIndent,
3169	int rc = 0;	const char *val)
3170		{
3171	if (!image) return rc;	struct singleLine *line, *prev;
3172		struct keywordTypes *kw;
3173	/* update the main args first... */	struct singleLine tmpl;
3174	if (addArgs || removeArgs)
3175	rc = updateActualImage(cfg, image, prefix, addArgs, removeArgs, 0);	/* NB: This function shouldn't allocate items on the heap, rather on
3176	if (rc) return rc;	* the stack since it calls addLineTmpl which will make copies.
3177		*/
3178	/* and now any multiboot args */	if (type == LT_TITLE && cfi->titleBracketed) {
3179	if (addMBArgs || removeMBArgs)	/* we're doing a bracketed title (zipl) */
3180	rc = updateActualImage(cfg, image, prefix, addMBArgs, removeMBArgs, 1);	tmpl.type = type;
3181	return rc;	tmpl.numElements = 1;
3182	}	tmpl.elements = alloca(sizeof(*tmpl.elements));
3183		tmpl.elements[0].item = alloca(strlen(val) + 3);
3184	int addMBInitrd(struct grubConfig * cfg, const char *newMBKernel,	sprintf(tmpl.elements[0].item, "[%s]", val);
3185	const char * image, const char * prefix, const char * initrd,	tmpl.elements[0].indent = "";
3186	const char * title) {	val = NULL;
3187	struct singleEntry * entry;	} else if (type == LT_MENUENTRY) {
3188	struct singleLine * line, * kernelLine, *endLine = NULL;	char *lineend = "--class gnu-linux --class gnu --class os {";
3189	int index = 0;	if (!val) {
3190		fprintf(stderr,
3191	if (!image) return 0;	"Line type LT_MENUENTRY requires a value\n");
3192		abort();
3193	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {	}
3194	kernelLine = getLineByType(LT_MBMODULE, entry->lines);	kw = getKeywordByType(type, cfi);
3195	if (!kernelLine) continue;	if (!kw) {
3196		fprintf(stderr,
3197	/* if title is supplied, the entry's title must match it. */	"Looking up keyword for unknown type %d\n",
3198	if (title) {	type);
3199	char *linetitle;	abort();
3200		}
3201	line = getLineByType(LT_TITLE|LT_MENUENTRY, entry->lines);	tmpl.indent = "";
3202	if (!line)	tmpl.type = type;
3203	continue;	tmpl.numElements = 3;
3204		tmpl.elements =
3205	linetitle = extractTitle(cfg, line);	alloca(sizeof(*tmpl.elements) * tmpl.numElements);
3206	if (!linetitle)	tmpl.elements[0].item = kw->key;
3207	continue;	tmpl.elements[0].indent = alloca(2);
3208	if (strcmp(title, linetitle)) {	sprintf(tmpl.elements[0].indent, "%c", kw->nextChar);
3209	free(linetitle);	tmpl.elements[1].item = (char *)val;
3210	continue;	tmpl.elements[1].indent = alloca(2);
3211	}	sprintf(tmpl.elements[1].indent, "%c", kw->nextChar);
3212	free(linetitle);	tmpl.elements[2].item = alloca(strlen(lineend) + 1);
3213	}	strcpy(tmpl.elements[2].item, lineend);
3214		tmpl.elements[2].indent = "";
3215	if (prefix) {	} else {
3216	int prefixLen = strlen(prefix);	kw = getKeywordByType(type, cfi);
3217	if (!strncmp(initrd, prefix, prefixLen))	if (!kw) {
3218	initrd += prefixLen;	fprintf(stderr,
3219	}	"Looking up keyword for unknown type %d\n",
3220	endLine = getLineByType(LT_ENTRY_END, entry->lines);	type);
3221	if (endLine)	abort();
3222	removeLine(entry, endLine);	}
3223	line = addLine(entry, cfg->cfi, preferredLineType(LT_MBMODULE,cfg->cfi),	tmpl.type = type;
3224	kernelLine->indent, initrd);	tmpl.numElements = val ? 2 : 1;
3225	if (!line)	tmpl.elements =
3226	return 1;	alloca(sizeof(*tmpl.elements) * tmpl.numElements);
3227	if (endLine) {	tmpl.elements[0].item = kw->key;
3228	line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL);	tmpl.elements[0].indent = alloca(2);
3229	if (!line)	sprintf(tmpl.elements[0].indent, "%c", kw->nextChar);
3230	return 1;	if (val) {
3231		tmpl.elements[1].item = (char *)val;
3232		tmpl.elements[1].indent = "";
3233		}
3234	}	}
3235
3236	break;	/* The last non-empty line gives us the indention to us and the line
3237	}	* to insert after. Note that comments are considered empty lines,
3238		* which may not be ideal? If there are no lines or we are looking at
3239		* the first line, we use defaultIndent (the first line is normally
3240		* indented differently from the rest) */
3241		for (line = entry->lines, prev = NULL; line; line = line->next) {
3242		if (line->numElements)
3243		prev = line;
3244		/* fall back on the last line if prev isn't otherwise set */
3245		if (!line->next && !prev)
3246		prev = line;
3247		}
3248
3249		struct singleLine *menuEntry;
3250		menuEntry = getLineByType(LT_MENUENTRY, entry->lines);
3251		if (tmpl.type == LT_ENTRY_END) {
3252		if (menuEntry)
3253		tmpl.indent = menuEntry->indent;
3254		else
3255		tmpl.indent = defaultIndent ? : "";
3256		} else if (tmpl.type != LT_MENUENTRY) {
3257		if (menuEntry)
3258		tmpl.indent = "\t";
3259		else if (prev == entry->lines)
3260		tmpl.indent = defaultIndent ? : "";
3261		else
3262		tmpl.indent = prev->indent;
3263		}
3264
3265	return 0;	return addLineTmpl(entry, &tmpl, prev, val, cfi);
3266	}	}
3267
3268	int updateInitrd(struct grubConfig * cfg, const char * image,	void removeLine(struct singleEntry *entry, struct singleLine *line)
3269	const char * prefix, const char * initrd, const char * title) {	{
3270	struct singleEntry * entry;	struct singleLine *prev;
3271	struct singleLine * line, * kernelLine, *endLine = NULL;	int i;
3272	int index = 0;
3273		for (i = 0; i < line->numElements; i++) {
3274	if (!image) return 0;	free(line->elements[i].item);
3275		free(line->elements[i].indent);
	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(cfg, 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;
3276	}	}
3277		free(line->elements);
3278		free(line->indent);
3279
3280	break;	if (line == entry->lines) {
3281	}	entry->lines = line->next;
3282		} else {
3283		prev = entry->lines;
3284		while (prev->next != line)
3285		prev = prev->next;
3286		prev->next = line->next;
3287		}
3288
3289	return 0;	free(line);
3290	}	}
3291
3292	int checkDeviceBootloader(const char * device, const unsigned char * boot) {	static void requote(struct singleLine *tmplLine, struct configFileInfo *cfi)
3293	int fd;	{
3294	unsigned char bootSect[512];	struct singleLine newLine = {
3295	int offset;	.indent = tmplLine->indent,
3296		.type = tmplLine->type,
3297	fd = open(device, O_RDONLY);	.next = tmplLine->next,
3298	if (fd < 0) {	};
3299	fprintf(stderr, _("grubby: unable to open %s: %s\n"),	int firstQuotedItem = -1;
3300	device, strerror(errno));	int quoteLen = 0;
3301	return 1;	int j;
3302	}	int element = 0;
3303		char *c;
3304
3305	if (read(fd, bootSect, 512) != 512) {	c = malloc(strlen(tmplLine->elements[0].item) + 1);
3306	fprintf(stderr, _("grubby: unable to read %s: %s\n"),	strcpy(c, tmplLine->elements[0].item);
3307	device, strerror(errno));	insertElement(&newLine, c, element++, cfi);
3308	return 1;	free(c);
3309	}	c = NULL;
3310	close(fd);
3311		for (j = 1; j < tmplLine->numElements; j++) {
3312		if (firstQuotedItem == -1) {
3313		quoteLen += strlen(tmplLine->elements[j].item);
3314
3315		if (isquote(tmplLine->elements[j].item[0])) {
3316		firstQuotedItem = j;
3317		quoteLen +=
3318		strlen(tmplLine->elements[j].indent);
3319		} else {
3320		c = malloc(quoteLen + 1);
3321		strcpy(c, tmplLine->elements[j].item);
3322		insertElement(&newLine, c, element++, cfi);
3323		free(c);
3324		quoteLen = 0;
3325		}
3326		} else {
3327		int itemlen = strlen(tmplLine->elements[j].item);
3328		quoteLen += itemlen;
3329		quoteLen += strlen(tmplLine->elements[j].indent);
3330
3331		if (isquote(tmplLine->elements[j].item[itemlen - 1])) {
3332		c = malloc(quoteLen + 1);
3333		c[0] = '\0';
3334		for (int i = firstQuotedItem; i < j + 1; i++) {
3335		strcat(c, tmplLine->elements[i].item);
3336		strcat(c, tmplLine->elements[i].indent);
3337		}
3338		insertElement(&newLine, c, element++, cfi);
3339		free(c);
3340
3341	/* first three bytes should match, a jmp short should be in there */	firstQuotedItem = -1;
3342	if (memcmp(boot, bootSect, 3))	quoteLen = 0;
3343	return 0;	}
3344		}
3345		}
3346		while (tmplLine->numElements)
3347		removeElement(tmplLine, 0);
3348		if (tmplLine->elements)
3349		free(tmplLine->elements);
3350
3351		tmplLine->numElements = newLine.numElements;
3352		tmplLine->elements = newLine.elements;
3353		}
3354
3355	if (boot[1] == JMP_SHORT_OPCODE) {	static void insertElement(struct singleLine *line,
3356	offset = boot[2] + 2;	const char *item, int insertHere,
3357	} else if (boot[1] == 0xe8 || boot[1] == 0xe9) {	struct configFileInfo *cfi)
3358	offset = (boot[3] << 8) + boot[2] + 2;	{
3359	} else if (boot[0] == JMP_SHORT_OPCODE) {	struct keywordTypes *kw;
3360	offset = boot[1] + 2;	char indent[2] = "";
	/*
	* it looks like grub, when copying stage1 into the mbr, patches stage1
	* right after the JMP location, replacing other instructions such as
	* JMPs for NOOPs. So, relax the check a little bit by skipping those
	* different bytes.
	*/
	if ((bootSect[offset + 1] == NOOP_OPCODE)
	&& (bootSect[offset + 2] == NOOP_OPCODE)) {
	offset = offset + 3;
	}
	} else if (boot[0] == 0xe8 || boot[0] == 0xe9) {
	offset = (boot[2] << 8) + boot[1] + 2;
	} else {
	return 0;
	}
3361
3362	if (memcmp(boot + offset, bootSect + offset, CODE_SEG_SIZE))	/* sanity check */
3363	return 0;	if (insertHere > line->numElements) {
3364		dbgPrintf
3365		("insertElement() adjusting insertHere from %d to %d\n",
3366		insertHere, line->numElements);
3367		insertHere = line->numElements;
3368		}
3369
3370		line->elements = realloc(line->elements, (line->numElements + 1) *
3371		sizeof(*line->elements));
3372		memmove(&line->elements[insertHere + 1],
3373		&line->elements[insertHere],
3374		(line->numElements - insertHere) * sizeof(*line->elements));
3375		line->elements[insertHere].item = strdup(item);
3376
3377		kw = getKeywordByType(line->type, cfi);
3378
3379		if (line->numElements == 0) {
3380		indent[0] = '\0';
3381		} else if (insertHere == 0) {
3382		indent[0] = kw->nextChar;
3383		} else if (kw->separatorChar != '\0') {
3384		indent[0] = kw->separatorChar;
3385		} else {
3386		indent[0] = ' ';
3387		}
3388
3389	return 2;	if (insertHere > 0 && line->elements[insertHere - 1].indent[0] == '\0') {
3390		/* move the end-of-line forward */
3391		line->elements[insertHere].indent =
3392		line->elements[insertHere - 1].indent;
3393		line->elements[insertHere - 1].indent = strdup(indent);
3394		} else {
3395		line->elements[insertHere].indent = strdup(indent);
3396		}
3397
3398		line->numElements++;
3399
3400		dbgPrintf("insertElement(%s, '%s%s', %d)\n",
3401		line->elements[0].item,
3402		line->elements[insertHere].item,
3403		line->elements[insertHere].indent, insertHere);
3404	}	}
3405
3406	int checkLiloOnRaid(char * mdDev, const unsigned char * boot) {	static void removeElement(struct singleLine *line, int removeHere)
3407	int fd;	{
3408	char buf[65536];	int i;
3409	char * end;
3410	char * chptr;	/* sanity check */
3411	char * chptr2;	if (removeHere >= line->numElements)
3412	int rc;	return;
3413
3414		dbgPrintf("removeElement(%s, %d:%s)\n", line->elements[0].item,
3415		removeHere, line->elements[removeHere].item);
3416
3417		free(line->elements[removeHere].item);
3418
3419		if (removeHere > 1) {
3420		/* previous argument gets this argument's post-indentation */
3421		free(line->elements[removeHere - 1].indent);
3422		line->elements[removeHere - 1].indent =
3423		line->elements[removeHere].indent;
3424		} else {
3425		free(line->elements[removeHere].indent);
3426		}
3427
3428	/* it's on raid; we need to parse /proc/mdstat and check all of the	/* now collapse the array, but don't bother to realloc smaller */
3429	*raw* devices listed in there */	for (i = removeHere; i < line->numElements - 1; i++)
3430		line->elements[i] = line->elements[i + 1];
3431
3432	if (!strncmp(mdDev, "/dev/", 5))	line->numElements--;
3433	mdDev += 5;	}
3434
3435	if ((fd = open("/proc/mdstat", O_RDONLY)) < 0) {	int argMatch(const char *one, const char *two)
3436	fprintf(stderr, _("grubby: failed to open /proc/mdstat: %s\n"),	{
3437	strerror(errno));	char *first, *second;
3438	return 2;	char *chptr;
	}
3439
3440	rc = read(fd, buf, sizeof(buf) - 1);	first = strcpy(alloca(strlen(one) + 1), one);
3441	if (rc < 0 || rc == (sizeof(buf) - 1)) {	second = strcpy(alloca(strlen(two) + 1), two);
	fprintf(stderr, _("grubby: failed to read /proc/mdstat: %s\n"),
	strerror(errno));
	close(fd);
	return 2;
	}
	close(fd);
	buf[rc] = '\0';
3442
3443	chptr = buf;	chptr = strchr(first, '=');
3444	while (*chptr) {	if (chptr)
3445	end = strchr(chptr, '\n');	*chptr = '\0';
3446	if (!end) break;
3447	*end = '\0';	chptr = strchr(second, '=');
3448		if (chptr)
3449		*chptr = '\0';
3450
3451	if (!strncmp(chptr, mdDev, strlen(mdDev)) &&	return strcmp(first, second);
3452	chptr[strlen(mdDev)] == ' ') {	}
3453
3454	/* found the device */	int updateActualImage(struct grubConfig *cfg, const char *image,
3455	while (*chptr && *chptr != ':') chptr++;	const char *prefix, const char *addArgs,
3456	chptr++;	const char *removeArgs, int multibootArgs)
3457	while (*chptr && isspace(*chptr)) chptr++;	{
3458		struct singleEntry *entry;
3459	/* skip the "active" bit */	struct singleLine *line, *rootLine;
3460	while (*chptr && !isspace(*chptr)) chptr++;	int index = 0;
3461	while (*chptr && isspace(*chptr)) chptr++;	int i, k;
3462		const char **newArgs, **oldArgs;
3463	/* skip the raid level */	const char **arg;
3464	while (*chptr && !isspace(*chptr)) chptr++;	int useKernelArgs, useRoot;
3465	while (*chptr && isspace(*chptr)) chptr++;	int firstElement;
3466		int *usedElements;
3467	/* everything else is partition stuff */	int doreplace;
	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++;
	}
3468
3469	/*  we're good to go */	if (!image)
3470	return 2;	return 0;
3471
3472		if (!addArgs) {
3473		newArgs = malloc(sizeof(*newArgs));
3474		*newArgs = NULL;
3475		} else {
3476		if (poptParseArgvString(addArgs, NULL, &newArgs)) {
3477		fprintf(stderr,
3478		_("grubby: error separating arguments '%s'\n"),
3479		addArgs);
3480		return 1;
3481		}
3482	}	}
3483
3484	chptr = end + 1;	if (!removeArgs) {
3485	}	oldArgs = malloc(sizeof(*oldArgs));
3486		*oldArgs = NULL;
3487		} else {
3488		if (poptParseArgvString(removeArgs, NULL, &oldArgs)) {
3489		fprintf(stderr,
3490		_("grubby: error separating arguments '%s'\n"),
3491		removeArgs);
3492		free(newArgs);
3493		return 1;
3494		}
3495		}
3496
3497	fprintf(stderr,	useKernelArgs = (getKeywordByType(LT_KERNELARGS, cfg->cfi)
3498	_("grubby: raid device /dev/%s not found in /proc/mdstat\n"),	&& (!multibootArgs || cfg->cfi->mbConcatArgs));
	mdDev);
	return 0;
	}
3499
3500	int checkForLilo(struct grubConfig * config) {	useRoot = (getKeywordByType(LT_ROOT, cfg->cfi)
3501	int fd;	&& !multibootArgs);
	unsigned char boot[512];
	struct singleLine * line;
	for (line = config->theLines; line; line = line->next)
	if (line->type == LT_BOOT) break;
	if (!line) {
	fprintf(stderr,
	_("grubby: no boot line found in lilo configuration\n"));
	return 1;
	}
3502
3503	if (line->numElements != 2) return 1;	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
3504
3505	fd = open("/boot/boot.b", O_RDONLY);	if (multibootArgs && !entry->multiboot)
3506	if (fd < 0) {	continue;
	fprintf(stderr, _("grubby: unable to open %s: %s\n"),
	"/boot/boot.b", strerror(errno));
	return 1;
	}
3507
3508	if (read(fd, boot, 512) != 512) {	/* Determine where to put the args.  If this config supports
3509	fprintf(stderr, _("grubby: unable to read %s: %s\n"),	* LT_KERNELARGS, use that.  Otherwise use
3510	"/boot/boot.b", strerror(errno));	* LT_HYPER/LT_KERNEL/LT_MBMODULE lines.
3511	return 1;	*/
3512	}	if (useKernelArgs) {
3513	close(fd);	line = getLineByType(LT_KERNELARGS, entry->lines);
3514		if (!line) {
3515		/* no LT_KERNELARGS, need to add it */
3516		line = addLine(entry, cfg->cfi, LT_KERNELARGS,
3517		cfg->secondaryIndent, NULL);
3518		}
3519		firstElement = 1;
3520
3521	if (!strncmp("/dev/md", line->elements[1].item, 7))	} else if (multibootArgs) {
3522	return checkLiloOnRaid(line->elements[1].item, boot);	line = getLineByType(LT_HYPER, entry->lines);
3523		if (!line) {
3524		/* a multiboot entry without LT_HYPER? */
3525		continue;
3526		}
3527		firstElement = 2;
3528
3529	return checkDeviceBootloader(line->elements[1].item, boot);	} else {
3530	}	line =
3531		getLineByType(LT_KERNEL | LT_MBMODULE |
3532		LT_KERNEL_EFI | LT_KERNEL_16,
3533		entry->lines);
3534		if (!line) {
3535		/* no LT_KERNEL or LT_MBMODULE in this entry? */
3536		continue;
3537		}
3538		firstElement = 2;
3539		}
3540
3541	int checkForGrub2(struct grubConfig * config) {	/* handle the elilo case which does:
3542	if (!access("/etc/grub.d/", R_OK))	*   append="hypervisor args -- kernel args"
3543	return 2;	*/
3544		if (entry->multiboot && cfg->cfi->mbConcatArgs) {
3545		/* this is a multiboot entry, make sure there's
3546		* -- on the args line
3547		*/
3548		for (i = firstElement; i < line->numElements; i++) {
3549		if (!strcmp(line->elements[i].item, "--"))
3550		break;
3551		}
3552		if (i == line->numElements) {
3553		/* assume all existing args are kernel args,
3554		* prepend -- to make it official
3555		*/
3556		insertElement(line, "--", firstElement,
3557		cfg->cfi);
3558		i = firstElement;
3559		}
3560		if (!multibootArgs) {
3561		/* kernel args start after the -- */
3562		firstElement = i + 1;
3563		}
3564		} else if (cfg->cfi->mbConcatArgs) {
3565		/* this is a non-multiboot entry, remove hyper args */
3566		for (i = firstElement; i < line->numElements; i++) {
3567		if (!strcmp(line->elements[i].item, "--"))
3568		break;
3569		}
3570		if (i < line->numElements) {
3571		/* remove args up to -- */
3572		while (strcmp
3573		(line->elements[firstElement].item,
3574		"--"))
3575		removeElement(line, firstElement);
3576		/* remove -- */
3577		removeElement(line, firstElement);
3578		}
3579		}
3580
3581		usedElements = calloc(line->numElements, sizeof(*usedElements));
3582
3583	return 1;	for (k = 0, arg = newArgs; *arg; arg++, k++) {
3584
3585		doreplace = 1;
3586		for (i = firstElement; i < line->numElements; i++) {
3587		if (multibootArgs && cfg->cfi->mbConcatArgs &&
3588		!strcmp(line->elements[i].item, "--")) {
3589		/* reached the end of hyper args, insert here */
3590		doreplace = 0;
3591		break;
3592		}
3593		if (usedElements[i])
3594		continue;
3595		if (!argMatch(line->elements[i].item, *arg)) {
3596		usedElements[i] = 1;
3597		break;
3598		}
3599		}
3600
3601		if (i < line->numElements && doreplace) {
3602		/* direct replacement */
3603		free(line->elements[i].item);
3604		line->elements[i].item = strdup(*arg);
3605
3606		} else if (useRoot && !strncmp(*arg, "root=/dev/", 10)) {
3607		/* root= replacement */
3608		rootLine = getLineByType(LT_ROOT, entry->lines);
3609		if (rootLine) {
3610		free(rootLine->elements[1].item);
3611		rootLine->elements[1].item =
3612		strdup(*arg + 5);
3613		} else {
3614		rootLine =
3615		addLine(entry, cfg->cfi, LT_ROOT,
3616		cfg->secondaryIndent,
3617		*arg + 5);
3618		}
3619		}
3620
3621		else {
3622		/* insert/append */
3623		insertElement(line, *arg, i, cfg->cfi);
3624		usedElements =
3625		realloc(usedElements,
3626		line->numElements *
3627		sizeof(*usedElements));
3628		memmove(&usedElements[i + 1], &usedElements[i],
3629		line->numElements - i - 1);
3630		usedElements[i] = 1;
3631
3632		/* if we updated a root= here even though
3633		* there is a LT_ROOT available we need to
3634		* remove the LT_ROOT entry (this will happen
3635		* if we switch from a device to a label) */
3636		if (useRoot && !strncmp(*arg, "root=", 5)) {
3637		rootLine =
3638		getLineByType(LT_ROOT,
3639		entry->lines);
3640		if (rootLine)
3641		removeLine(entry, rootLine);
3642		}
3643		}
3644		}
3645
3646		free(usedElements);
3647
3648		for (arg = oldArgs; *arg; arg++) {
3649		for (i = firstElement; i < line->numElements; i++) {
3650		if (multibootArgs && cfg->cfi->mbConcatArgs &&
3651		!strcmp(line->elements[i].item, "--"))
3652		/* reached the end of hyper args, stop here */
3653		break;
3654		if (!argMatch(line->elements[i].item, *arg)) {
3655		removeElement(line, i);
3656		break;
3657		}
3658		}
3659		/* handle removing LT_ROOT line too */
3660		if (useRoot && !strncmp(*arg, "root=", 5)) {
3661		rootLine = getLineByType(LT_ROOT, entry->lines);
3662		if (rootLine)
3663		removeLine(entry, rootLine);
3664		}
3665		}
3666
3667		if (line->numElements == 1) {
3668		/* don't need the line at all (note it has to be a
3669		LT_KERNELARGS for this to happen */
3670		removeLine(entry, line);
3671		}
3672		}
3673
3674		free(newArgs);
3675		free(oldArgs);
3676
3677		return 0;
3678	}	}
3679
3680	int checkForGrub(struct grubConfig * config) {	int updateImage(struct grubConfig *cfg, const char *image,
3681	int fd;	const char *prefix, const char *addArgs,
3682	unsigned char bootSect[512];	const char *removeArgs,
3683	char * boot;	const char *addMBArgs, const char *removeMBArgs)
3684	int onSuse = isSuseSystem();	{
3685		int rc = 0;
3686
3687		if (!image)
3688		return rc;
3689
3690	if (onSuse) {	/* update the main args first... */
3691	if (parseSuseGrubConf(NULL, &boot))	if (addArgs || removeArgs)
3692	return 0;	rc = updateActualImage(cfg, image, prefix, addArgs, removeArgs,
3693	} else {	0);
3694	if (parseSysconfigGrub(NULL, &boot))	if (rc)
3695	return 0;	return rc;
3696	}
3697		/* and now any multiboot args */
3698		if (addMBArgs || removeMBArgs)
3699		rc = updateActualImage(cfg, image, prefix, addMBArgs,
3700		removeMBArgs, 1);
3701		return rc;
3702		}
3703
3704		int addMBInitrd(struct grubConfig *cfg, const char *newMBKernel,
3705		const char *image, const char *prefix, const char *initrd,
3706		const char *title)
3707		{
3708		struct singleEntry *entry;
3709		struct singleLine *line, *kernelLine, *endLine = NULL;
3710		int index = 0;
3711
3712		if (!image)
3713		return 0;
3714
3715		for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
3716		kernelLine = getLineByType(LT_MBMODULE, entry->lines);
3717		if (!kernelLine)
3718		continue;
3719
3720		/* if title is supplied, the entry's title must match it. */
3721		if (title) {
3722		char *linetitle;
3723
3724		line =
3725		getLineByType(LT_TITLE | LT_MENUENTRY,
3726		entry->lines);
3727		if (!line)
3728		continue;
3729
3730		linetitle = extractTitle(cfg, line);
3731		if (!linetitle)
3732		continue;
3733		if (strcmp(title, linetitle)) {
3734		free(linetitle);
3735		continue;
3736		}
3737		free(linetitle);
3738		}
3739
3740		if (prefix) {
3741		int prefixLen = strlen(prefix);
3742		if (!strncmp(initrd, prefix, prefixLen))
3743		initrd += prefixLen;
3744		}
3745		endLine = getLineByType(LT_ENTRY_END, entry->lines);
3746		if (endLine)
3747		removeLine(entry, endLine);
3748		line =
3749		addLine(entry, cfg->cfi,
3750		preferredLineType(LT_MBMODULE, cfg->cfi),
3751		kernelLine->indent, initrd);
3752		if (!line)
3753		return 1;
3754		if (endLine) {
3755		line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL);
3756		if (!line)
3757		return 1;
3758		}
3759
3760		break;
3761		}
3762
	/* assume grub is not installed -- not an error condition */
	if (!boot)
3763	return 0;	return 0;
3764		}
3765
3766		int updateInitrd(struct grubConfig *cfg, const char *image,
3767		const char *prefix, const char *initrd, const char *title)
3768		{
3769		struct singleEntry *entry;
3770		struct singleLine *line, *kernelLine, *endLine = NULL;
3771		int index = 0;
3772
3773		if (!image)
3774		return 0;
3775
3776		for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
3777		kernelLine =
3778		getLineByType(LT_KERNEL | LT_KERNEL_EFI | LT_KERNEL_16,
3779		entry->lines);
3780		if (!kernelLine)
3781		continue;
3782
3783		/* if title is supplied, the entry's title must match it. */
3784		if (title) {
3785		char *linetitle;
3786
3787		line =
3788		getLineByType(LT_TITLE | LT_MENUENTRY,
3789		entry->lines);
3790		if (!line)
3791		continue;
3792
3793		linetitle = extractTitle(cfg, line);
3794		if (!linetitle)
3795		continue;
3796		if (strcmp(title, linetitle)) {
3797		free(linetitle);
3798		continue;
3799		}
3800		free(linetitle);
3801		}
3802
3803		line =
3804		getLineByType(LT_INITRD | LT_INITRD_EFI | LT_INITRD_16,
3805		entry->lines);
3806		if (line)
3807		removeLine(entry, line);
3808		if (prefix) {
3809		int prefixLen = strlen(prefix);
3810		if (!strncmp(initrd, prefix, prefixLen))
3811		initrd += prefixLen;
3812		}
3813		endLine = getLineByType(LT_ENTRY_END, entry->lines);
3814		if (endLine)
3815		removeLine(entry, endLine);
3816		enum lineType_e lt;
3817		switch (kernelLine->type) {
3818		case LT_KERNEL:
3819		lt = LT_INITRD;
3820		break;
3821		case LT_KERNEL_EFI:
3822		lt = LT_INITRD_EFI;
3823		break;
3824		case LT_KERNEL_16:
3825		lt = LT_INITRD_16;
3826		break;
3827		default:
3828		lt = preferredLineType(LT_INITRD, cfg->cfi);
3829		}
3830		line = addLine(entry, cfg->cfi, lt, kernelLine->indent, initrd);
3831		if (!line)
3832		return 1;
3833		if (endLine) {
3834		line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL);
3835		if (!line)
3836		return 1;
3837		}
3838
3839		break;
3840		}
3841
	fd = open("/boot/grub/stage1", O_RDONLY);
	if (fd < 0)
	/* this doesn't exist if grub hasn't been installed */
3842	return 0;	return 0;
3843		}
3844
3845	if (read(fd, bootSect, 512) != 512) {	int checkDeviceBootloader(const char *device, const unsigned char *boot)
3846	fprintf(stderr, _("grubby: unable to read %s: %s\n"),	{
3847	"/boot/grub/stage1", strerror(errno));	int fd;
3848	close(fd);	unsigned char bootSect[512];
3849	return 1;	int offset;
3850	}
3851	close(fd);	fd = open(device, O_RDONLY);
3852		if (fd < 0) {
3853		fprintf(stderr, _("grubby: unable to open %s: %s\n"),
3854		device, strerror(errno));
3855		return 1;
3856		}
3857
3858	/* The more elaborate checks do not work on SuSE. The checks done	if (read(fd, bootSect, 512) != 512) {
3859	* seem to be reasonble (at least for now), so just return success	fprintf(stderr, _("grubby: unable to read %s: %s\n"),
3860	*/	device, strerror(errno));
3861	if (onSuse)	return 1;
3862	return 2;	}
3863		close(fd);
3864
3865	return checkDeviceBootloader(boot, bootSect);	/* first three bytes should match, a jmp short should be in there */
3866		if (memcmp(boot, bootSect, 3))
3867		return 0;
3868
3869		if (boot[1] == JMP_SHORT_OPCODE) {
3870		offset = boot[2] + 2;
3871		} else if (boot[1] == 0xe8 || boot[1] == 0xe9) {
3872		offset = (boot[3] << 8) + boot[2] + 2;
3873		} else if (boot[0] == JMP_SHORT_OPCODE) {
3874		offset = boot[1] + 2;
3875		/*
3876		* it looks like grub, when copying stage1 into the mbr,
3877		* patches stage1 right after the JMP location, replacing
3878		* other instructions such as JMPs for NOOPs. So, relax the
3879		* check a little bit by skipping those different bytes.
3880		*/
3881		if ((bootSect[offset + 1] == NOOP_OPCODE)
3882		&& (bootSect[offset + 2] == NOOP_OPCODE)) {
3883		offset = offset + 3;
3884		}
3885		} else if (boot[0] == 0xe8 || boot[0] == 0xe9) {
3886		offset = (boot[2] << 8) + boot[1] + 2;
3887		} else {
3888		return 0;
3889		}
3890
3891		if (memcmp(boot + offset, bootSect + offset, CODE_SEG_SIZE))
3892		return 0;
3893
3894		return 2;
3895	}	}
3896
3897	int checkForExtLinux(struct grubConfig * config) {	int checkLiloOnRaid(char *mdDev, const unsigned char *boot)
3898	int fd;	{
3899	unsigned char bootSect[512];	int fd;
3900	char * boot;	char buf[65536];
3901	char executable[] = "/boot/extlinux/extlinux";	char *end;
3902		char *chptr;
3903		char *chptr2;
3904		int rc;
3905
3906		/* it's on raid; we need to parse /proc/mdstat and check all of the
3907		*raw* devices listed in there */
3908
3909		if (!strncmp(mdDev, "/dev/", 5))
3910		mdDev += 5;
3911
3912		if ((fd = open("/proc/mdstat", O_RDONLY)) < 0) {
3913		fprintf(stderr, _("grubby: failed to open /proc/mdstat: %s\n"),
3914		strerror(errno));
3915		return 2;
3916		}
3917
3918		rc = read(fd, buf, sizeof(buf) - 1);
3919		if (rc < 0 || rc == (sizeof(buf) - 1)) {
3920		fprintf(stderr, _("grubby: failed to read /proc/mdstat: %s\n"),
3921		strerror(errno));
3922		close(fd);
3923		return 2;
3924		}
3925		close(fd);
3926		buf[rc] = '\0';
3927
3928	printf("entered: checkForExtLinux()\n");	chptr = buf;
3929		while (*chptr) {
3930		end = strchr(chptr, '\n');
3931		if (!end)
3932		break;
3933		*end = '\0';
3934
3935	if (parseSysconfigGrub(NULL, &boot))	if (!strncmp(chptr, mdDev, strlen(mdDev)) &&
3936	return 0;	chptr[strlen(mdDev)] == ' ') {
3937
3938	/* assume grub is not installed -- not an error condition */	/* found the device */
3939	if (!boot)	while (*chptr && *chptr != ':')
3940	return 0;	chptr++;
3941		chptr++;
3942		while (*chptr && isspace(*chptr))
3943		chptr++;
3944
3945		/* skip the "active" bit */
3946		while (*chptr && !isspace(*chptr))
3947		chptr++;
3948		while (*chptr && isspace(*chptr))
3949		chptr++;
3950
3951		/* skip the raid level */
3952		while (*chptr && !isspace(*chptr))
3953		chptr++;
3954		while (*chptr && isspace(*chptr))
3955		chptr++;
3956
3957		/* everything else is partition stuff */
3958		while (*chptr) {
3959		chptr2 = chptr;
3960		while (*chptr2 && *chptr2 != '[')
3961		chptr2++;
3962		if (!*chptr2)
3963		break;
3964
3965	fd = open(executable, O_RDONLY);	/* yank off the numbers at the end */
3966	if (fd < 0)	chptr2--;
3967	/* this doesn't exist if grub hasn't been installed */	while (isdigit(*chptr2) && chptr2 > chptr)
3968	return 0;	chptr2--;
3969		chptr2++;
3970		*chptr2 = '\0';
3971
3972		/* Better, now we need the /dev/ back. We're
3973		* done with everything before this point, so
3974		* we can just put the /dev/ part there.
3975		* There will always be room. */
3976		memcpy(chptr - 5, "/dev/", 5);
3977		rc = checkDeviceBootloader(chptr - 5, boot);
3978		if (rc != 2) {
3979		return rc;
3980		}
3981
3982	if (read(fd, bootSect, 512) != 512) {	chptr = chptr2 + 1;
3983	fprintf(stderr, _("grubby: unable to read %s: %s\n"),	/* skip the [11] bit */
3984	executable, strerror(errno));	while (*chptr && !isspace(*chptr))
3985	return 1;	chptr++;
3986	}	/* and move to the next one */
3987	close(fd);	while (*chptr && isspace(*chptr))
3988		chptr++;
3989		}
3990
3991		/*  we're good to go */
3992		return 2;
3993		}
3994
3995	return checkDeviceBootloader(boot, bootSect);	chptr = end + 1;
3996		}
3997
3998		fprintf(stderr,
3999		_("grubby: raid device /dev/%s not found in /proc/mdstat\n"),
4000		mdDev);
4001		return 0;
4002	}	}
4003
4004	int checkForYaboot(struct grubConfig * config) {	int checkForLilo(struct grubConfig *config)
4005	/*	{
4006	* This is a simplistic check that we consider good enough for own puporses	int fd;
4007	*	unsigned char boot[512];
4008	* If we were to properly check if yaboot is *installed* we'd need to:	struct singleLine *line;
4009	* 1) get the system boot device (LT_BOOT)
4010	* 2) considering it's a raw filesystem, check if the yaboot binary matches	for (line = config->theLines; line; line = line->next)
4011	*    the content on the boot device	if (line->type == LT_BOOT)
4012	* 3) if not, copy the binary to a temporary file and run "addnote" on it	break;
4013	* 4) check again if binary and boot device contents match
4014	*/	if (!line) {
4015	if (!access("/etc/yaboot.conf", R_OK))	fprintf(stderr,
4016	return 2;	_
4017		("grubby: no boot line found in lilo configuration\n"));
4018		return 1;
4019		}
4020
4021		if (line->numElements != 2)
4022		return 1;
4023
4024		fd = open("/boot/boot.b", O_RDONLY);
4025		if (fd < 0) {
4026		fprintf(stderr, _("grubby: unable to open %s: %s\n"),
4027		"/boot/boot.b", strerror(errno));
4028		return 1;
4029		}
4030
4031	return 1;	if (read(fd, boot, 512) != 512) {
4032		fprintf(stderr, _("grubby: unable to read %s: %s\n"),
4033		"/boot/boot.b", strerror(errno));
4034		return 1;
4035		}
4036		close(fd);
4037
4038		if (!strncmp("/dev/md", line->elements[1].item, 7))
4039		return checkLiloOnRaid(line->elements[1].item, boot);
4040
4041		return checkDeviceBootloader(line->elements[1].item, boot);
4042	}	}
4043
4044	int checkForElilo(struct grubConfig * config) {	int checkForGrub2(struct grubConfig *config)
4045	if (!access("/etc/elilo.conf", R_OK))	{
4046	return 2;	if (!access("/etc/grub.d/", R_OK))
4047		return 2;
4048
4049	return 1;	return 1;
4050	}	}
4051
4052	static char * getRootSpecifier(char * str) {	int checkForGrub(struct grubConfig *config)
4053	char * idx, * rootspec = NULL;	{
4054		int fd;
4055		unsigned char bootSect[512];
4056		char *boot;
4057		int onSuse = isSuseSystem();
4058
4059		if (onSuse) {
4060		if (parseSuseGrubConf(NULL, &boot))
4061		return 0;
4062		} else {
4063		if (parseSysconfigGrub(NULL, &boot))
4064		return 0;
4065		}
4066
4067	if (*str == '(') {	/* assume grub is not installed -- not an error condition */
4068	idx = rootspec = strdup(str);	if (!boot)
4069	while(*idx && (*idx != ')') && (!isspace(*idx))) idx++;	return 0;
4070	*(++idx) = '\0';
4071	}	fd = open("/boot/grub/stage1", O_RDONLY);
4072	return rootspec;	if (fd < 0)
4073		/* this doesn't exist if grub hasn't been installed */
4074		return 0;
4075
4076		if (read(fd, bootSect, 512) != 512) {
4077		fprintf(stderr, _("grubby: unable to read %s: %s\n"),
4078		"/boot/grub/stage1", strerror(errno));
4079		close(fd);
4080		return 1;
4081		}
4082		close(fd);
4083
4084		/* The more elaborate checks do not work on SuSE. The checks done
4085		* seem to be reasonble (at least for now), so just return success
4086		*/
4087		if (onSuse)
4088		return 2;
4089
4090		return checkDeviceBootloader(boot, bootSect);
4091	}	}
4092
4093	static char * getInitrdVal(struct grubConfig * config,	int checkForExtLinux(struct grubConfig *config)
4094	const char * prefix, struct singleLine *tmplLine,	{
4095	const char * newKernelInitrd,	int fd;
4096	const char ** extraInitrds, int extraInitrdCount)	unsigned char bootSect[512];
4097	{	char *boot;
4098	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;
	}
4099
4100	initrdVal = end = malloc(totalSize);	printf("entered: checkForExtLinux()\n");
4101
4102	end = stpcpy (end, newKernelInitrd + prefixLen);	if (parseSysconfigGrub(NULL, &boot))
4103		return 0;
4104
4105	separatorChar = getKeywordByType(LT_INITRD, config->cfi)->separatorChar;	/* assume grub is not installed -- not an error condition */
4106	for (i = 0; i < extraInitrdCount; i++) {	if (!boot)
4107	const char *extraInitrd;	return 0;
	int j;
4108
4109	extraInitrd = extraInitrds[i] + prefixLen;	fd = open(executable, O_RDONLY);
4110	/* Don't add entries that are already there */	if (fd < 0)
4111	if (tmplLine != NULL) {	/* this doesn't exist if grub hasn't been installed */
4112	for (j = 2; j < tmplLine->numElements; j++)	return 0;
	if (strcmp(extraInitrd, tmplLine->elements[j].item) == 0)
	break;
4113
4114	if (j != tmplLine->numElements)	if (read(fd, bootSect, 512) != 512) {
4115	continue;	fprintf(stderr, _("grubby: unable to read %s: %s\n"),
4116		executable, strerror(errno));
4117		return 1;
4118	}	}
4119		close(fd);
4120
4121	*end++ = separatorChar;	return checkDeviceBootloader(boot, bootSect);
4122	end = stpcpy(end, extraInitrd);	}
4123	}
4124		int checkForYaboot(struct grubConfig *config)
4125		{
4126		/*
4127		* This is a simplistic check that we consider good enough for own puporses
4128		*
4129		* If we were to properly check if yaboot is *installed* we'd need to:
4130		* 1) get the system boot device (LT_BOOT)
4131		* 2) considering it's a raw filesystem, check if the yaboot binary matches
4132		*    the content on the boot device
4133		* 3) if not, copy the binary to a temporary file and run "addnote" on it
4134		* 4) check again if binary and boot device contents match
4135		*/
4136		if (!access("/etc/yaboot.conf", R_OK))
4137		return 2;
4138
4139	return initrdVal;	return 1;
4140	}	}
4141
4142	int addNewKernel(struct grubConfig * config, struct singleEntry * template,	int checkForElilo(struct grubConfig *config)
4143	const char * prefix,	{
4144	const char * newKernelPath, const char * newKernelTitle,	if (!access("/etc/elilo.conf", R_OK))
4145	const char * newKernelArgs, const char * newKernelInitrd,	return 2;
	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;
4146
4147	sprintf(buf, "TITLE=%.*s", config->cfi->maxTitleLength, newKernelTitle);	return 1;
4148	while (findEntryByPath(config, buf, NULL, NULL)) {	}
4149	sprintf(numBuf, "%d", i++);
4150	strcpy(buf + strlen(buf) - strlen(numBuf), numBuf);	static char *getRootSpecifier(char *str)
4151		{
4152		char *idx, *rootspec = NULL;
4153
4154		if (*str == '(') {
4155		idx = rootspec = strdup(str);
4156		while (*idx && (*idx != ')') && (!isspace(*idx)))
4157		idx++;
4158		*(++idx) = '\0';
4159	}	}
4160		return rootspec;
4161		}
4162
4163	newKernelTitle = buf + 6;	static char *getInitrdVal(struct grubConfig *config,
4164	}	const char *prefix, struct singleLine *tmplLine,
4165		const char *newKernelInitrd,
4166		const char **extraInitrds, int extraInitrdCount)
4167		{
4168		char *initrdVal, *end;
4169		int i;
4170		size_t totalSize;
4171		size_t prefixLen;
4172		char separatorChar;
4173
4174		prefixLen = strlen(prefix);
4175		totalSize = strlen(newKernelInitrd) - prefixLen + 1 /* \0 */ ;
4176
4177		for (i = 0; i < extraInitrdCount; i++) {
4178		totalSize += sizeof(separatorChar);
4179		totalSize += strlen(extraInitrds[i]) - prefixLen;
4180		}
4181
4182		initrdVal = end = malloc(totalSize);
4183
4184		end = stpcpy(end, newKernelInitrd + prefixLen);
4185
4186		separatorChar = getKeywordByType(LT_INITRD, config->cfi)->separatorChar;
4187		for (i = 0; i < extraInitrdCount; i++) {
4188		const char *extraInitrd;
4189		int j;
4190
4191		extraInitrd = extraInitrds[i] + prefixLen;
4192		/* Don't add entries that are already there */
4193		if (tmplLine != NULL) {
4194		for (j = 2; j < tmplLine->numElements; j++)
4195		if (strcmp
4196		(extraInitrd,
4197		tmplLine->elements[j].item) == 0)
4198		break;
4199
4200	new = malloc(sizeof(*new));	if (j != tmplLine->numElements)
4201	new->skip = 0;	continue;
4202	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;
4203
4204	if (template) {	*end++ = separatorChar;
4205	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);
	}
4206	}	}
4207
4208	} else {	return initrdVal;
4209	/* don't have a template, so start the entry with the	}
4210	* appropriate starting line
4211	*/	int addNewKernel(struct grubConfig *config, struct singleEntry *template,
4212	switch (config->cfi->entryStart) {	const char *prefix,
4213	case LT_KERNEL:	const char *newKernelPath, const char *newKernelTitle,
4214	case LT_KERNEL_EFI:	const char *newKernelArgs, const char *newKernelInitrd,
4215	case LT_KERNEL_16:	const char **extraInitrds, int extraInitrdCount,
4216	if (new->multiboot && config->cfi->mbHyperFirst) {	const char *newMBKernel, const char *newMBKernelArgs,
4217	/* fall through to LT_HYPER */	const char *newDevTreePath, int newIndex)
4218	} else {	{
4219	newLine = addLine(new, config->cfi,	struct singleEntry *new, *entry, *prev = NULL;
4220	preferredLineType(LT_KERNEL, config->cfi),	struct singleLine *newLine = NULL, *tmplLine = NULL, *masterLine = NULL;
4221	config->primaryIndent,	int needs;
4222	newKernelPath + strlen(prefix));	char *indexs;
4223	needs &= ~NEED_KERNEL;	char *chptr;
4224	break;	int rc;
4225
4226		if (!newKernelPath)
4227		return 0;
4228
4229		rc = asprintf(&indexs, "%d", newIndex);
4230		if (rc < 0)
4231		return 1;
4232
4233		/* if the newKernelTitle is too long silently munge it into something
4234		* we can live with. truncating is first check, then we'll just mess with
4235		* it until it looks better */
4236		if (config->cfi->maxTitleLength &&
4237		(strlen(newKernelTitle) > config->cfi->maxTitleLength)) {
4238		char *buf = alloca(config->cfi->maxTitleLength + 7);
4239		char *numBuf = alloca(config->cfi->maxTitleLength + 1);
4240		int i = 1;
4241
4242		sprintf(buf, "TITLE=%.*s", config->cfi->maxTitleLength,
4243		newKernelTitle);
4244		while (findEntryByPath(config, buf, NULL, NULL)) {
4245		sprintf(numBuf, "%d", i++);
4246		strcpy(buf + strlen(buf) - strlen(numBuf), numBuf);
4247	}	}
4248
4249	case LT_HYPER:	newKernelTitle = buf + 6;
4250	newLine = addLine(new, config->cfi, LT_HYPER,	}
	config->primaryIndent,
	newMBKernel + strlen(prefix));
	needs &= ~NEED_MB;
	break;
4251
4252	case LT_MENUENTRY: {	new = malloc(sizeof(*new));
4253	char *nkt = malloc(strlen(newKernelTitle)+3);	new->skip = 0;
4254	strcpy(nkt, "'");	new->multiboot = 0;
4255	strcat(nkt, newKernelTitle);	new->lines = NULL;
4256	strcat(nkt, "'");	entry = config->entries;
4257	newLine = addLine(new, config->cfi, LT_MENUENTRY,	for (unsigned int i = 0; i < newIndex; i++) {
4258	config->primaryIndent, nkt);	if (!entry)
4259	free(nkt);	break;
4260	needs &= ~NEED_TITLE;	prev = entry;
4261	needs |= NEED_END;	entry = entry->next;
4262	break;	}
4263	}	new->next = entry;
4264	case LT_TITLE:
4265	if( useextlinuxmenu != 0 ){ // We just need useextlinuxmenu to not be zero (set above)	if (prev)
4266	char * templabel;	prev->next = new;
4267	int x = 0, y = 0;	else
4268		config->entries = new;
4269	templabel = strdup(newKernelTitle);
4270	while( templabel[x]){	/* copy/update from the template */
4271	if( templabel[x] == ' ' ){	needs = NEED_KERNEL | NEED_TITLE;
4272	y = x;	if (newKernelInitrd)
4273	while( templabel[y] ){	needs |= NEED_INITRD;
4274	templabel[y] = templabel[y+1];	if (newMBKernel) {
4275	y++;	needs |= NEED_MB;
4276		new->multiboot = 1;
4277		}
4278		if (newDevTreePath && getKeywordByType(LT_DEVTREE, config->cfi))
4279		needs |= NEED_DEVTREE;
4280
4281		if (template) {
4282		for (masterLine = template->lines;
4283		masterLine && (tmplLine = lineDup(masterLine));
4284		lineFree(tmplLine), masterLine = masterLine->next) {
4285		dbgPrintf("addNewKernel processing %d\n",
4286		tmplLine->type);
4287
4288		/* skip comments */
4289		chptr = tmplLine->indent;
4290		while (*chptr && isspace(*chptr))
4291		chptr++;
4292		if (*chptr == '#')
4293		continue;
4294
4295		if (iskernel(tmplLine->type)
4296		&& tmplLine->numElements >= 2) {
4297		if (!template->multiboot && (needs & NEED_MB)) {
4298		/* it's not a multiboot template and
4299		* this is the kernel line.  Try to
4300		* be intelligent about inserting the
4301		* hypervisor at the same time.
4302		*/
4303		if (config->cfi->mbHyperFirst) {
4304		/* insert the hypervisor first */
4305		newLine =
4306		addLine(new, config->cfi,
4307		LT_HYPER,
4308		tmplLine->indent,
4309		newMBKernel +
4310		strlen(prefix));
4311		/* set up for adding the
4312		* kernel line */
4313		free(tmplLine->indent);
4314		tmplLine->indent =
4315		strdup(config->
4316		secondaryIndent);
4317		needs &= ~NEED_MB;
4318		}
4319		if (needs & NEED_KERNEL) {
4320		/* use addLineTmpl to
4321		* preserve line elements,
4322		* otherwise we could just
4323		* call addLine.
4324		* Unfortunately this means
4325		* making some changes to the
4326		* template such as the
4327		* indent change above and
4328		* the type change below.
4329		*/
4330		struct keywordTypes *mbm_kw =
4331		getKeywordByType
4332		(LT_MBMODULE, config->cfi);
4333		if (mbm_kw) {
4334		tmplLine->type =
4335		LT_MBMODULE;
4336		free(tmplLine->
4337		elements[0].item);
4338		tmplLine->elements[0].
4339		item =
4340		strdup(mbm_kw->key);
4341		}
4342		newLine =
4343		addLineTmpl(new, tmplLine,
4344		newLine,
4345		newKernelPath +
4346		strlen(prefix),
4347		config->cfi);
4348		needs &= ~NEED_KERNEL;
4349		}
4350		if (needs & NEED_MB) { /* !mbHyperFirst */
4351		newLine =
4352		addLine(new, config->cfi,
4353		LT_HYPER,
4354		config->
4355		secondaryIndent,
4356		newMBKernel +
4357		strlen(prefix));
4358		needs &= ~NEED_MB;
4359	}	}
4360		} else if (needs & NEED_KERNEL) {
4361		newLine =
4362		addLineTmpl(new, tmplLine, newLine,
4363		newKernelPath +
4364		strlen(prefix),
4365		config->cfi);
4366		needs &= ~NEED_KERNEL;
4367	}	}
4368	x++;
4369		} else if (tmplLine->type == LT_HYPER &&
4370		tmplLine->numElements >= 2) {
4371		if (needs & NEED_MB) {
4372		newLine =
4373		addLineTmpl(new, tmplLine, newLine,
4374		newMBKernel +
4375		strlen(prefix),
4376		config->cfi);
4377		needs &= ~NEED_MB;
4378		}
4379
4380		} else if (tmplLine->type == LT_MBMODULE &&
4381		tmplLine->numElements >= 2) {
4382		if (new->multiboot) {
4383		if (needs & NEED_KERNEL) {
4384		newLine =
4385		addLineTmpl(new, tmplLine,
4386		newLine,
4387		newKernelPath +
4388		strlen(prefix),
4389		config->cfi);
4390		needs &= ~NEED_KERNEL;
4391		} else if (config->cfi->mbInitRdIsModule
4392		&& (needs & NEED_INITRD)) {
4393		char *initrdVal;
4394		initrdVal =
4395		getInitrdVal(config, prefix,
4396		tmplLine,
4397		newKernelInitrd,
4398		extraInitrds,
4399		extraInitrdCount);
4400		newLine =
4401		addLineTmpl(new, tmplLine,
4402		newLine,
4403		initrdVal,
4404		config->cfi);
4405		free(initrdVal);
4406		needs &= ~NEED_INITRD;
4407		}
4408		} else if (needs & NEED_KERNEL) {
4409		/* template is multi but new is not,
4410		* insert the kernel in the first
4411		* module slot
4412		*/
4413		tmplLine->type =
4414		preferredLineType(LT_KERNEL,
4415		config->cfi);
4416		free(tmplLine->elements[0].item);
4417		tmplLine->elements[0].item =
4418		strdup(getKeywordByType
4419		(tmplLine->type,
4420		config->cfi)->key);
4421		newLine =
4422		addLineTmpl(new, tmplLine, newLine,
4423		newKernelPath +
4424		strlen(prefix),
4425		config->cfi);
4426		needs &= ~NEED_KERNEL;
4427		} else if (needs & NEED_INITRD) {
4428		char *initrdVal;
4429		/* template is multi but new is not,
4430		* insert the initrd in the second
4431		* module slot
4432		*/
4433		tmplLine->type =
4434		preferredLineType(LT_INITRD,
4435		config->cfi);
4436		free(tmplLine->elements[0].item);
4437		tmplLine->elements[0].item =
4438		strdup(getKeywordByType
4439		(tmplLine->type,
4440		config->cfi)->key);
4441		initrdVal =
4442		getInitrdVal(config, prefix,
4443		tmplLine,
4444		newKernelInitrd,
4445		extraInitrds,
4446		extraInitrdCount);
4447		newLine =
4448		addLineTmpl(new, tmplLine, newLine,
4449		initrdVal, config->cfi);
4450		free(initrdVal);
4451		needs &= ~NEED_INITRD;
4452		}
4453
4454		} else if (isinitrd(tmplLine->type)
4455		&& tmplLine->numElements >= 2) {
4456		if (needs & NEED_INITRD && new->multiboot
4457		&& !template->multiboot
4458		&& config->cfi->mbInitRdIsModule) {
4459		/* make sure we don't insert the
4460		* module initrd before the module
4461		* kernel... if we don't do it here,
4462		* it will be inserted following the
4463		* template.
4464		*/
4465		if (!needs & NEED_KERNEL) {
4466		char *initrdVal;
4467
4468		initrdVal =
4469		getInitrdVal(config, prefix,
4470		tmplLine,
4471		newKernelInitrd,
4472		extraInitrds,
4473		extraInitrdCount);
4474		newLine =
4475		addLine(new, config->cfi,
4476		LT_MBMODULE,
4477		config->
4478		secondaryIndent,
4479		initrdVal);
4480		free(initrdVal);
4481		needs &= ~NEED_INITRD;
4482		}
4483		} else if (needs & NEED_INITRD) {
4484		char *initrdVal;
4485		initrdVal =
4486		getInitrdVal(config, prefix,
4487		tmplLine,
4488		newKernelInitrd,
4489		extraInitrds,
4490		extraInitrdCount);
4491		newLine =
4492		addLineTmpl(new, tmplLine, newLine,
4493		initrdVal, config->cfi);
4494		free(initrdVal);
4495		needs &= ~NEED_INITRD;
4496		}
4497
4498		} else if (tmplLine->type == LT_MENUENTRY &&
4499		(needs & NEED_TITLE)) {
4500		requote(tmplLine, config->cfi);
4501		char *nkt = malloc(strlen(newKernelTitle) + 3);
4502		strcpy(nkt, "'");
4503		strcat(nkt, newKernelTitle);
4504		strcat(nkt, "'");
4505		newLine =
4506		addLineTmpl(new, tmplLine, newLine, nkt,
4507		config->cfi);
4508		free(nkt);
4509		needs &= ~NEED_TITLE;
4510		} else if (tmplLine->type == LT_TITLE &&
4511		(needs & NEED_TITLE)) {
4512		if (tmplLine->numElements >= 2) {
4513		newLine =
4514		addLineTmpl(new, tmplLine, newLine,
4515		newKernelTitle,
4516		config->cfi);
4517		needs &= ~NEED_TITLE;
4518		} else if (tmplLine->numElements == 1 &&
4519		config->cfi->titleBracketed) {
4520		/* addLineTmpl doesn't handle
4521		* titleBracketed */
4522		newLine =
4523		addLine(new, config->cfi, LT_TITLE,
4524		tmplLine->indent,
4525		newKernelTitle);
4526		needs &= ~NEED_TITLE;
4527		}
4528		} else if (tmplLine->type == LT_ECHO) {
4529		requote(tmplLine, config->cfi);
4530		static const char *prefix = "'Loading ";
4531		if (tmplLine->numElements > 1 &&
4532		strstr(tmplLine->elements[1].item, prefix)
4533		&& masterLine->next
4534		&& iskernel(masterLine->next->type)) {
4535		char *newTitle =
4536		malloc(strlen(prefix) +
4537		strlen(newKernelTitle) + 2);
4538
4539		strcpy(newTitle, prefix);
4540		strcat(newTitle, newKernelTitle);
4541		strcat(newTitle, "'");
4542		newLine =
4543		addLine(new, config->cfi, LT_ECHO,
4544		tmplLine->indent, newTitle);
4545		free(newTitle);
4546		} else {
4547		/* pass through other lines from the
4548		* template */
4549		newLine =
4550		addLineTmpl(new, tmplLine, newLine,
4551		NULL, config->cfi);
4552		}
4553		} else if (tmplLine->type == LT_DEVTREE &&
4554		tmplLine->numElements == 2
4555		&& newDevTreePath) {
4556		newLine =
4557		addLineTmpl(new, tmplLine, newLine,
4558		newDevTreePath + strlen(prefix),
4559		config->cfi);
4560		needs &= ~NEED_DEVTREE;
4561		} else if (tmplLine->type == LT_ENTRY_END
4562		&& needs & NEED_DEVTREE) {
4563		const char *ndtp = newDevTreePath;
4564		if (!strncmp
4565		(newDevTreePath, prefix, strlen(prefix)))
4566		ndtp += strlen(prefix);
4567		newLine = addLine(new, config->cfi, LT_DEVTREE,
4568		config->secondaryIndent,
4569		ndtp);
4570		needs &= ~NEED_DEVTREE;
4571		newLine =
4572		addLineTmpl(new, tmplLine, newLine, NULL,
4573		config->cfi);
4574		} else {
4575		/* pass through other lines from the template */
4576		newLine =
4577		addLineTmpl(new, tmplLine, newLine, NULL,
4578		config->cfi);
4579	}	}
	newLine = addLine(new, config->cfi, LT_TITLE,
	config->primaryIndent, templabel);
	free(templabel);
	}else{
	newLine = addLine(new, config->cfi, LT_TITLE,
	config->primaryIndent, newKernelTitle);
4580	}	}
	needs &= ~NEED_TITLE;
	break;
4581
4582	default:	} else {
4583	abort();	/* don't have a template, so start the entry with the
4584		* appropriate starting line
4585		*/
4586		switch (config->cfi->entryStart) {
4587		case LT_KERNEL:
4588		case LT_KERNEL_EFI:
4589		case LT_KERNEL_16:
4590		if (new->multiboot && config->cfi->mbHyperFirst) {
4591		/* fall through to LT_HYPER */
4592		} else {
4593		newLine = addLine(new, config->cfi,
4594		preferredLineType(LT_KERNEL,
4595		config->
4596		cfi),
4597		config->primaryIndent,
4598		newKernelPath +
4599		strlen(prefix));
4600		needs &= ~NEED_KERNEL;
4601		break;
4602		}
4603
4604		case LT_HYPER:
4605		newLine = addLine(new, config->cfi, LT_HYPER,
4606		config->primaryIndent,
4607		newMBKernel + strlen(prefix));
4608		needs &= ~NEED_MB;
4609		break;
4610
4611		case LT_MENUENTRY:{
4612		char *nkt = malloc(strlen(newKernelTitle) + 3);
4613		strcpy(nkt, "'");
4614		strcat(nkt, newKernelTitle);
4615		strcat(nkt, "'");
4616		newLine =
4617		addLine(new, config->cfi, LT_MENUENTRY,
4618		config->primaryIndent, nkt);
4619		free(nkt);
4620		needs &= ~NEED_TITLE;
4621		needs |= NEED_END;
4622		break;
4623		}
4624		case LT_TITLE:
4625		if (useextlinuxmenu != 0) { // We just need useextlinuxmenu to not be zero (set above)
4626		char *templabel;
4627		int x = 0, y = 0;
4628
4629		templabel = strdup(newKernelTitle);
4630		while (templabel[x]) {
4631		if (templabel[x] == ' ') {
4632		y = x;
4633		while (templabel[y]) {
4634		templabel[y] =
4635		templabel[y + 1];
4636		y++;
4637		}
4638		}
4639		x++;
4640		}
4641		newLine = addLine(new, config->cfi, LT_TITLE,
4642		config->primaryIndent,
4643		templabel);
4644		free(templabel);
4645		} else {
4646		newLine = addLine(new, config->cfi, LT_TITLE,
4647		config->primaryIndent,
4648		newKernelTitle);
4649		}
4650		needs &= ~NEED_TITLE;
4651		break;
4652
4653		default:
4654		abort();
4655		}
4656	}	}
	}
4657
4658	struct singleLine *endLine = NULL;	struct singleLine *endLine = NULL;
4659	endLine = getLineByType(LT_ENTRY_END, new->lines);	endLine = getLineByType(LT_ENTRY_END, new->lines);
4660	if (endLine) {	if (endLine) {
4661	removeLine(new, endLine);	removeLine(new, endLine);
4662	needs |= NEED_END;	needs |= NEED_END;
4663	}	}
4664
4665	/* add the remainder of the lines, i.e. those that either	/* add the remainder of the lines, i.e. those that either
4666	* 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,
4667	* all the lines following the entryStart.	* all the lines following the entryStart.
4668	*/	*/
4669	if (needs & NEED_TITLE) {	if (needs & NEED_TITLE) {
4670	newLine = addLine(new, config->cfi, LT_TITLE,	newLine = addLine(new, config->cfi, LT_TITLE,
4671	config->secondaryIndent,	config->secondaryIndent, newKernelTitle);
4672	newKernelTitle);	needs &= ~NEED_TITLE;
4673	needs &= ~NEED_TITLE;	}
4674	}	if ((needs & NEED_MB) && config->cfi->mbHyperFirst) {
4675	if ((needs & NEED_MB) && config->cfi->mbHyperFirst) {	newLine = addLine(new, config->cfi, LT_HYPER,
4676	newLine = addLine(new, config->cfi, LT_HYPER,	config->secondaryIndent,
4677	config->secondaryIndent,	newMBKernel + strlen(prefix));
4678	newMBKernel + strlen(prefix));	needs &= ~NEED_MB;
4679	needs &= ~NEED_MB;	}
4680	}	if (needs & NEED_KERNEL) {
4681	if (needs & NEED_KERNEL) {	newLine = addLine(new, config->cfi,
4682	newLine = addLine(new, config->cfi,	(new->multiboot
4683	(new->multiboot && getKeywordByType(LT_MBMODULE,	&& getKeywordByType(LT_MBMODULE,
4684	config->cfi))	config->cfi))
4685	? LT_MBMODULE	? LT_MBMODULE : preferredLineType(LT_KERNEL,
4686	: preferredLineType(LT_KERNEL, config->cfi),	config->
4687	config->secondaryIndent,	cfi),
4688	newKernelPath + strlen(prefix));	config->secondaryIndent,
4689	needs &= ~NEED_KERNEL;	newKernelPath + strlen(prefix));
4690	}	needs &= ~NEED_KERNEL;
4691	if (needs & NEED_MB) {	}
4692	newLine = addLine(new, config->cfi, LT_HYPER,	if (needs & NEED_MB) {
4693	config->secondaryIndent,	newLine = addLine(new, config->cfi, LT_HYPER,
4694	newMBKernel + strlen(prefix));	config->secondaryIndent,
4695	needs &= ~NEED_MB;	newMBKernel + strlen(prefix));
4696	}	needs &= ~NEED_MB;
4697	if (needs & NEED_INITRD) {	}
4698	char *initrdVal;	if (needs & NEED_INITRD) {
4699	initrdVal = getInitrdVal(config, prefix, NULL, newKernelInitrd, extraInitrds, extraInitrdCount);	char *initrdVal;
4700	newLine = addLine(new, config->cfi,	initrdVal =
4701	(new->multiboot && getKeywordByType(LT_MBMODULE,	getInitrdVal(config, prefix, NULL, newKernelInitrd,
4702	config->cfi))	extraInitrds, extraInitrdCount);
4703	? LT_MBMODULE	newLine =
4704	: preferredLineType(LT_INITRD, config->cfi),	addLine(new, config->cfi,
4705	config->secondaryIndent,	(new->multiboot
4706	initrdVal);	&& getKeywordByType(LT_MBMODULE, config->cfi))
4707	free(initrdVal);	? LT_MBMODULE : preferredLineType(LT_INITRD,
4708	needs &= ~NEED_INITRD;	config->cfi),
4709	}	config->secondaryIndent, initrdVal);
4710	if (needs & NEED_DEVTREE) {	free(initrdVal);
4711	newLine = addLine(new, config->cfi, LT_DEVTREE,	needs &= ~NEED_INITRD;
4712	config->secondaryIndent,	}
4713	newDevTreePath);	if (needs & NEED_DEVTREE) {
4714	needs &= ~NEED_DEVTREE;	newLine = addLine(new, config->cfi, LT_DEVTREE,
4715	}	config->secondaryIndent, newDevTreePath);
4716		needs &= ~NEED_DEVTREE;
4717		}
4718
4719	/* NEEDS_END must be last on bootloaders that need it... */	/* NEEDS_END must be last on bootloaders that need it... */
4720	if (needs & NEED_END) {	if (needs & NEED_END) {
4721	newLine = addLine(new, config->cfi, LT_ENTRY_END,	newLine = addLine(new, config->cfi, LT_ENTRY_END,
4722	config->secondaryIndent, NULL);	config->secondaryIndent, NULL);
4723	needs &= ~NEED_END;	needs &= ~NEED_END;
4724	}	}
4725
4726	if (needs) {	if (needs) {
4727	printf(_("grubby: needs=%d, aborting\n"), needs);	printf(_("grubby: needs=%d, aborting\n"), needs);
4728	abort();	abort();
4729	}	}
4730
4731	if (updateImage(config, "0", prefix, newKernelArgs, NULL,	if (updateImage(config, indexs, prefix, newKernelArgs, NULL,
4732	newMBKernelArgs, NULL)) return 1;	newMBKernelArgs, NULL))
4733		return 1;
4734
4735	return 0;	return 0;
4736	}	}
4737
4738	int main(int argc, const char ** argv) {	int main(int argc, const char **argv)
4739	poptContext optCon;	{
4740	const char * grubConfig = NULL;	poptContext optCon;
4741	char * outputFile = NULL;	const char *grubConfig = NULL;
4742	int arg = 0;	char *outputFile = NULL;
4743	int flags = 0;	int arg = 0;
4744	int badImageOkay = 0;	int flags = 0;
4745	int configureGrub2 = 0;	int badImageOkay = 0;
4746	int configureLilo = 0, configureELilo = 0, configureGrub = 0;	int configureGrub2 = 0;
4747	int configureYaboot = 0, configureSilo = 0, configureZipl = 0;	int configureLilo = 0, configureELilo = 0, configureGrub = 0;
4748	int configureExtLinux = 0;	int configureYaboot = 0, configureSilo = 0, configureZipl = 0;
4749	int bootloaderProbe = 0;	int configureExtLinux = 0;
4750	int extraInitrdCount = 0;	int bootloaderProbe = 0;
4751	char * updateKernelPath = NULL;	int extraInitrdCount = 0;
4752	char * newKernelPath = NULL;	char *updateKernelPath = NULL;
4753	char * removeKernelPath = NULL;	char *newKernelPath = NULL;
4754	char * newKernelArgs = NULL;	char *removeKernelPath = NULL;
4755	char * newKernelInitrd = NULL;	char *newKernelArgs = NULL;
4756	char * newKernelTitle = NULL;	char *newKernelInitrd = NULL;
4757	char * newDevTreePath = NULL;	char *newKernelTitle = NULL;
4758	char * newMBKernel = NULL;	char *newDevTreePath = NULL;
4759	char * newMBKernelArgs = NULL;	char *newMBKernel = NULL;
4760	char * removeMBKernelArgs = NULL;	char *newMBKernelArgs = NULL;
4761	char * removeMBKernel = NULL;	int newIndex = 0;
4762	char * bootPrefix = NULL;	char *removeMBKernelArgs = NULL;
4763	char * defaultKernel = NULL;	char *removeMBKernel = NULL;
4764	char * removeArgs = NULL;	char *bootPrefix = NULL;
4765	char * kernelInfo = NULL;	char *defaultKernel = NULL;
4766	char * extraInitrds[MAX_EXTRA_INITRDS] = { NULL };	char *removeArgs = NULL;
4767	char * envPath = NULL;	char *kernelInfo = NULL;
4768	const char * chptr = NULL;	char *extraInitrds[MAX_EXTRA_INITRDS] = { NULL };
4769	struct configFileInfo * cfi = NULL;	char *envPath = NULL;
4770	struct grubConfig * config;	const char *chptr = NULL;
4771	struct singleEntry * template = NULL;	struct configFileInfo *cfi = NULL;
4772	int copyDefault = 0, makeDefault = 0;	struct grubConfig *config;
4773	int displayDefault = 0;	struct singleEntry *template = NULL;
4774	int displayDefaultIndex = 0;	int copyDefault = 0, makeDefault = 0;
4775	int displayDefaultTitle = 0;	int displayDefault = 0;
4776	int defaultIndex = -1;	int displayDefaultIndex = 0;
4777	struct poptOption options[] = {	int displayDefaultTitle = 0;
4778	{ "add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0,	int defaultIndex = -1;
4779	_("add an entry for the specified kernel"), _("kernel-path") },	struct poptOption options[] = {
4780	{ "add-multiboot", 0, POPT_ARG_STRING, &newMBKernel, 0,	{"add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0,
4781	_("add an entry for the specified multiboot kernel"), NULL },	_("add an entry for the specified kernel"), _("kernel-path")},
4782	{ "args", 0, POPT_ARG_STRING, &newKernelArgs, 0,	{"add-multiboot", 0, POPT_ARG_STRING, &newMBKernel, 0,
4783	_("default arguments for the new kernel or new arguments for "	_("add an entry for the specified multiboot kernel"), NULL},
4784	"kernel being updated"), _("args") },	{"args", 0, POPT_ARG_STRING, &newKernelArgs, 0,
4785	{ "mbargs", 0, POPT_ARG_STRING, &newMBKernelArgs, 0,	_("default arguments for the new kernel or new arguments for "
4786	_("default arguments for the new multiboot kernel or "	"kernel being updated"), _("args")},
4787	"new arguments for multiboot kernel being updated"), NULL },	{"mbargs", 0, POPT_ARG_STRING, &newMBKernelArgs, 0,
4788	{ "bad-image-okay", 0, 0, &badImageOkay, 0,	_("default arguments for the new multiboot kernel or "
4789	_("don't sanity check images in boot entries (for testing only)"),	"new arguments for multiboot kernel being updated"), NULL},
4790	NULL },	{"bad-image-okay", 0, 0, &badImageOkay, 0,
4791	{ "boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0,	_
4792	_("filestystem which contains /boot directory (for testing only)"),	("don't sanity check images in boot entries (for testing only)"),
4793	_("bootfs") },	NULL},
4794		{"boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0,
4795		_
4796		("filesystem which contains /boot directory (for testing only)"),
4797		_("bootfs")},
4798	#if defined(__i386__) || defined(__x86_64__) || defined (__powerpc64__) || defined (__ia64__)	#if defined(__i386__) || defined(__x86_64__) || defined (__powerpc64__) || defined (__ia64__)
4799	{ "bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0,	{"bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0,
4800	_("check which bootloader is installed on boot sector") },	_("check which bootloader is installed on boot sector")},
4801	#endif	#endif
4802	{ "config-file", 'c', POPT_ARG_STRING, &grubConfig, 0,	{"config-file", 'c', POPT_ARG_STRING, &grubConfig, 0,
4803	_("path to grub config file to update (\"-\" for stdin)"),	_("path to grub config file to update (\"-\" for stdin)"),
4804	_("path") },	_("path")},
4805	{ "copy-default", 0, 0, &copyDefault, 0,	{"copy-default", 0, 0, &copyDefault, 0,
4806	_("use the default boot entry as a template for the new entry "	_("use the default boot entry as a template for the new entry "
4807	"being added; if the default is not a linux image, or if "	"being added; if the default is not a linux image, or if "
4808	"the kernel referenced by the default image does not exist, "	"the kernel referenced by the default image does not exist, "
4809	"the first linux entry whose kernel does exist is used as the "	"the first linux entry whose kernel does exist is used as the "
4810	"template"), NULL },	"template"), NULL},
4811	{ "debug", 0, 0, &debug, 0,	{"debug", 0, 0, &debug, 0,
4812	_("print debugging information for failures") },	_("print debugging information for failures")},
4813	{ "default-kernel", 0, 0, &displayDefault, 0,	{"default-kernel", 0, 0, &displayDefault, 0,
4814	_("display the path of the default kernel") },	_("display the path of the default kernel")},
4815	{ "default-index", 0, 0, &displayDefaultIndex, 0,	{"default-index", 0, 0, &displayDefaultIndex, 0,
4816	_("display the index of the default kernel") },	_("display the index of the default kernel")},
4817	{ "default-title", 0, 0, &displayDefaultTitle, 0,	{"default-title", 0, 0, &displayDefaultTitle, 0,
4818	_("display the title of the default kernel") },	_("display the title of the default kernel")},
4819	{ "devtree", 0, POPT_ARG_STRING, &newDevTreePath, 0,	{"devtree", 0, POPT_ARG_STRING, &newDevTreePath, 0,
4820	_("device tree file for new stanza"), _("dtb-path") },	_("device tree file for new stanza"), _("dtb-path")},
4821	{ "devtreedir", 0, POPT_ARG_STRING, &newDevTreePath, 0,	{"devtreedir", 0, POPT_ARG_STRING, &newDevTreePath, 0,
4822	_("device tree directory for new stanza"), _("dtb-path") },	_("device tree directory for new stanza"), _("dtb-path")},
4823	{ "elilo", 0, POPT_ARG_NONE, &configureELilo, 0,	{"elilo", 0, POPT_ARG_NONE, &configureELilo, 0,
4824	_("configure elilo bootloader") },	_("configure elilo bootloader")},
4825	{ "efi", 0, POPT_ARG_NONE, &isEfi, 0,	{"efi", 0, POPT_ARG_NONE, &isEfi, 0,
4826	_("force grub2 stanzas to use efi") },	_("force grub2 stanzas to use efi")},
4827	{ "env", 0, POPT_ARG_STRING, &envPath, 0,	{"env", 0, POPT_ARG_STRING, &envPath, 0,
4828	_("path for environment data"),	_("path for environment data"),
4829	_("path") },	_("path")},
4830	{ "extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0,	{"extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0,
4831	_("configure extlinux bootloader (from syslinux)") },	_("configure extlinux bootloader (from syslinux)")},
4832	{ "grub", 0, POPT_ARG_NONE, &configureGrub, 0,	{"grub", 0, POPT_ARG_NONE, &configureGrub, 0,
4833	_("configure grub bootloader") },	_("configure grub bootloader")},
4834	{ "grub2", 0, POPT_ARG_NONE, &configureGrub2, 0,	{"grub2", 0, POPT_ARG_NONE, &configureGrub2, 0,
4835	_("configure grub2 bootloader") },	_("configure grub2 bootloader")},
4836	{ "info", 0, POPT_ARG_STRING, &kernelInfo, 0,	{"info", 0, POPT_ARG_STRING, &kernelInfo, 0,
4837	_("display boot information for specified kernel"),	_("display boot information for specified kernel"),
4838	_("kernel-path") },	_("kernel-path")},
4839	{ "initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0,	{"initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0,
4840	_("initrd image for the new kernel"), _("initrd-path") },	_("initrd image for the new kernel"), _("initrd-path")},
4841	{ "extra-initrd", 'i', POPT_ARG_STRING, NULL, 'i',	{"extra-initrd", 'i', POPT_ARG_STRING, NULL, 'i',
4842	_("auxiliary initrd image for things other than the new kernel"), _("initrd-path") },	_
4843	{ "lilo", 0, POPT_ARG_NONE, &configureLilo, 0,	("auxiliary initrd image for things other than the new kernel"),
4844	_("configure lilo bootloader") },	_("initrd-path")},
4845	{ "make-default", 0, 0, &makeDefault, 0,	{"lilo", 0, POPT_ARG_NONE, &configureLilo, 0,
4846	_("make the newly added entry the default boot entry"), NULL },	_("configure lilo bootloader")},
4847	{ "output-file", 'o', POPT_ARG_STRING, &outputFile, 0,	{"make-default", 0, 0, &makeDefault, 0,
4848	_("path to output updated config file (\"-\" for stdout)"),	_("make the newly added entry the default boot entry"), NULL},
4849	_("path") },	{"output-file", 'o', POPT_ARG_STRING, &outputFile, 0,
4850	{ "remove-args", 0, POPT_ARG_STRING, &removeArgs, 0,	_("path to output updated config file (\"-\" for stdout)"),
4851	_("remove kernel arguments"), NULL },	_("path")},
4852	{ "remove-mbargs", 0, POPT_ARG_STRING, &removeMBKernelArgs, 0,	{"remove-args", 0, POPT_ARG_STRING, &removeArgs, 0,
4853	_("remove multiboot kernel arguments"), NULL },	_("remove kernel arguments"), NULL},
4854	{ "remove-kernel", 0, POPT_ARG_STRING, &removeKernelPath, 0,	{"remove-mbargs", 0, POPT_ARG_STRING, &removeMBKernelArgs, 0,
4855	_("remove all entries for the specified kernel"),	_("remove multiboot kernel arguments"), NULL},
4856	_("kernel-path") },	{"remove-kernel", 0, POPT_ARG_STRING, &removeKernelPath, 0,
4857	{ "remove-multiboot", 0, POPT_ARG_STRING, &removeMBKernel, 0,	_("remove all entries for the specified kernel"),
4858	_("remove all entries for the specified multiboot kernel"), NULL },	_("kernel-path")},
4859	{ "set-default", 0, POPT_ARG_STRING, &defaultKernel, 0,	{"remove-multiboot", 0, POPT_ARG_STRING, &removeMBKernel, 0,
4860	_("make the first entry referencing the specified kernel "	_("remove all entries for the specified multiboot kernel"),
4861	"the default"), _("kernel-path") },	NULL},
4862	{ "set-default-index", 0, POPT_ARG_INT, &defaultIndex, 0,	{"set-default", 0, POPT_ARG_STRING, &defaultKernel, 0,
4863	_("make the given entry index the default entry"),	_("make the first entry referencing the specified kernel "
4864	_("entry-index") },	"the default"), _("kernel-path")},
4865	{ "silo", 0, POPT_ARG_NONE, &configureSilo, 0,	{"set-default-index", 0, POPT_ARG_INT, &defaultIndex, 0,
4866	_("configure silo bootloader") },	_("make the given entry index the default entry"),
4867	{ "title", 0, POPT_ARG_STRING, &newKernelTitle, 0,	_("entry-index")},
4868	_("title to use for the new kernel entry"), _("entry-title") },	{"set-index", 0, POPT_ARG_INT, &newIndex, 0,
4869	{ "update-kernel", 0, POPT_ARG_STRING, &updateKernelPath, 0,	_("use the given index when creating a new entry"),
4870	_("updated information for the specified kernel"),	_("entry-index")},
4871	_("kernel-path") },	{"silo", 0, POPT_ARG_NONE, &configureSilo, 0,
4872	{ "version", 'v', 0, NULL, 'v',	_("configure silo bootloader")},
4873	_("print the version of this program and exit"), NULL },	{"title", 0, POPT_ARG_STRING, &newKernelTitle, 0,
4874	{ "yaboot", 0, POPT_ARG_NONE, &configureYaboot, 0,	_("title to use for the new kernel entry"), _("entry-title")},
4875	_("configure yaboot bootloader") },	{"update-kernel", 0, POPT_ARG_STRING, &updateKernelPath, 0,
4876	{ "zipl", 0, POPT_ARG_NONE, &configureZipl, 0,	_("updated information for the specified kernel"),
4877	_("configure zipl bootloader") },	_("kernel-path")},
4878	POPT_AUTOHELP	{"version", 'v', 0, NULL, 'v',
4879	{ 0, 0, 0, 0, 0 }	_("print the version of this program and exit"), NULL},
4880	};	{"yaboot", 0, POPT_ARG_NONE, &configureYaboot, 0,
4881		_("configure yaboot bootloader")},
4882	useextlinuxmenu=0;	{"zipl", 0, POPT_ARG_NONE, &configureZipl, 0,
4883		_("configure zipl bootloader")},
4884	int i = 0;	POPT_AUTOHELP {0, 0, 0, 0, 0}
4885	for (int j = 1; j < argc; j++)	};
4886	i += strlen(argv[j]) + 1;
4887	saved_command_line = malloc(i);	useextlinuxmenu = 0;
4888	if (!saved_command_line) {
4889	fprintf(stderr, "grubby: %m\n");	int i = 0;
4890	exit(1);	for (int j = 1; j < argc; j++)
4891	}	i += strlen(argv[j]) + 1;
4892	saved_command_line[0] = '\0';	saved_command_line = malloc(i);
4893	for (int j = 1; j < argc; j++) {	if (!saved_command_line) {
4894	strcat(saved_command_line, argv[j]);	fprintf(stderr, "grubby: %m\n");
4895	strncat(saved_command_line, j == argc -1 ? "" : " ", 1);	exit(1);
4896	}	}
4897		saved_command_line[0] = '\0';
4898	optCon = poptGetContext("grubby", argc, argv, options, 0);	for (int j = 1; j < argc; j++) {
4899	poptReadDefaultConfig(optCon, 1);	strcat(saved_command_line, argv[j]);
4900		strncat(saved_command_line, j == argc - 1 ? "" : " ", 1);
4901		}
4902
4903		optCon = poptGetContext("grubby", argc, argv, options, 0);
4904		poptReadDefaultConfig(optCon, 1);
4905
4906		while ((arg = poptGetNextOpt(optCon)) >= 0) {
4907		switch (arg) {
4908		case 'v':
4909		printf("grubby version %s\n", VERSION);
4910		exit(0);
4911		break;
4912		case 'i':
4913		if (extraInitrdCount < MAX_EXTRA_INITRDS) {
4914		extraInitrds[extraInitrdCount++] =
4915		strdup(poptGetOptArg(optCon));
4916		} else {
4917		fprintf(stderr,
4918		_
4919		("grubby: extra initrd maximum is %d\n"),
4920		extraInitrdCount);
4921		return 1;
4922		}
4923		break;
4924		}
4925		}
4926
4927	while ((arg = poptGetNextOpt(optCon)) >= 0) {	if (arg < -1) {
4928	switch (arg) {	fprintf(stderr, _("grubby: bad argument %s: %s\n"),
4929	case 'v':	poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
4930	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);
4931	return 1;	return 1;
	}
	break;
4932	}	}
	}
	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;
	}
4933
4934	if ((configureLilo + configureGrub2 + configureGrub + configureELilo +	if ((chptr = poptGetArg(optCon))) {
4935	configureYaboot + configureSilo + configureZipl +	fprintf(stderr, _("grubby: unexpected argument %s\n"), chptr);
4936	configureExtLinux ) > 1) {	return 1;
4937	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;
	}
4938
4939	if (!cfi) {	if ((configureLilo + configureGrub2 + configureGrub + configureELilo +
4940	if (grub2FindConfig(&grub2ConfigType)) {	configureYaboot + configureSilo + configureZipl +
4941	cfi = &grub2ConfigType;	configureExtLinux) > 1) {
4942	if (envPath)	fprintf(stderr,
4943	cfi->envFile = envPath;	_("grubby: cannot specify multiple bootloaders\n"));
4944	} else	return 1;
4945	#ifdef __ia64__	} else if (bootloaderProbe && grubConfig) {
4946	cfi = &eliloConfigType;	fprintf(stderr,
4947	#elif __powerpc__	_
4948	cfi = &yabootConfigType;	("grubby: cannot specify config file with --bootloader-probe\n"));
4949	#elif __sparc__	return 1;
4950	cfi = &siloConfigType;	} else if (configureGrub2) {
4951	#elif __s390__	cfi = &grub2ConfigType;
4952	cfi = &ziplConfigType;	if (envPath)
4953	#elif __s390x__	cfi->envFile = envPath;
4954	cfi = &ziplConfigtype;	} else if (configureLilo) {
4955	#else	cfi = &liloConfigType;
4956	cfi = &grubConfigType;	} else if (configureGrub) {
4957	#endif	cfi = &grubConfigType;
4958	}	} else if (configureELilo) {
4959		cfi = &eliloConfigType;
4960		} else if (configureYaboot) {
4961		cfi = &yabootConfigType;
4962		} else if (configureSilo) {
4963		cfi = &siloConfigType;
4964		} else if (configureZipl) {
4965		cfi = &ziplConfigType;
4966		} else if (configureExtLinux) {
4967		cfi = &extlinuxConfigType;
4968		useextlinuxmenu = 1;
4969		}
4970
4971		if (!cfi) {
4972		if (grub2FindConfig(&grub2ConfigType)) {
4973		cfi = &grub2ConfigType;
4974		if (envPath)
4975		cfi->envFile = envPath;
4976		} else
4977		#ifdef __ia64__
4978		cfi = &eliloConfigType;
4979		#elif __powerpc__
4980		cfi = &yabootConfigType;
4981		#elif __sparc__
4982		cfi = &siloConfigType;
4983		#elif __s390__
4984		cfi = &ziplConfigType;
4985		#elif __s390x__
4986		cfi = &ziplConfigtype;
4987		#else
4988		cfi = &grubConfigType;
4989		#endif
4990		}
4991
4992	if (!grubConfig) {	if (!grubConfig) {
4993	if (cfi->findConfig)	if (cfi->findConfig)
4994	grubConfig = cfi->findConfig(cfi);	grubConfig = cfi->findConfig(cfi);
4995	if (!grubConfig)	if (!grubConfig)
4996	grubConfig = cfi->defaultConfig;	grubConfig = cfi->defaultConfig;
4997	}	}
4998
4999	if (bootloaderProbe && (displayDefault || kernelInfo ||	if (bootloaderProbe && (displayDefault || kernelInfo ||
5000	newKernelPath || removeKernelPath || makeDefault ||	newKernelPath || removeKernelPath || makeDefault
5001	defaultKernel || displayDefaultIndex || displayDefaultTitle ||	|| defaultKernel || displayDefaultIndex
5002	(defaultIndex >= 0))) {	|| displayDefaultTitle
5003	fprintf(stderr, _("grubby: --bootloader-probe may not be used with "	|| (defaultIndex >= 0))) {
5004		fprintf(stderr,
5005		_("grubby: --bootloader-probe may not be used with "
5006	"specified option"));	"specified option"));
5007	return 1;	return 1;
5008	}	}
5009
5010	if ((displayDefault || kernelInfo) && (newKernelPath ||	if ((displayDefault || kernelInfo) && (newKernelPath ||
5011	removeKernelPath)) {	removeKernelPath)) {
5012	fprintf(stderr, _("grubby: --default-kernel and --info may not "	fprintf(stderr, _("grubby: --default-kernel and --info may not "
5013	"be used when adding or removing kernels\n"));	"be used when adding or removing kernels\n"));
5014	return 1;	return 1;
5015	}	}
5016
5017	if (newKernelPath && !newKernelTitle) {	if (newKernelPath && !newKernelTitle) {
5018	fprintf(stderr, _("grubby: kernel title must be specified\n"));	fprintf(stderr, _("grubby: kernel title must be specified\n"));
5019	return 1;	return 1;
5020	} else if (!newKernelPath && (copyDefault ||	} else if (!newKernelPath && (copyDefault ||
5021	(newKernelInitrd && !updateKernelPath)||	(newKernelInitrd && !updateKernelPath) ||
5022	makeDefault || extraInitrdCount > 0)) {	makeDefault || extraInitrdCount > 0)) {
5023	fprintf(stderr, _("grubby: kernel path expected\n"));	fprintf(stderr, _("grubby: kernel path expected\n"));
5024	return 1;	return 1;
5025	}	}
5026
5027	if (newKernelPath && updateKernelPath) {	if (newKernelPath && updateKernelPath) {
5028	fprintf(stderr, _("grubby: --add-kernel and --update-kernel may"	fprintf(stderr, _("grubby: --add-kernel and --update-kernel may"
5029	"not be used together"));	"not be used together"));
5030	return 1;	return 1;
5031	}	}
5032
5033	if (makeDefault && defaultKernel) {	if (makeDefault && defaultKernel) {
5034	fprintf(stderr, _("grubby: --make-default and --default-kernel "	fprintf(stderr, _("grubby: --make-default and --default-kernel "
5035	"may not be used together\n"));	"may not be used together\n"));
5036	return 1;	return 1;
5037	} else if (defaultKernel && removeKernelPath &&	} else if (defaultKernel && removeKernelPath &&
5038	!strcmp(defaultKernel, removeKernelPath)) {	!strcmp(defaultKernel, removeKernelPath)) {
5039	fprintf(stderr, _("grubby: cannot make removed kernel the default\n"));	fprintf(stderr,
5040	return 1;	_("grubby: cannot make removed kernel the default\n"));
5041	} else if (defaultKernel && newKernelPath &&	return 1;
5042	!strcmp(defaultKernel, newKernelPath)) {	} else if (defaultKernel && newKernelPath &&
5043	makeDefault = 1;	!strcmp(defaultKernel, newKernelPath)) {
5044	defaultKernel = NULL;	makeDefault = 1;
5045	}	defaultKernel = NULL;
5046	else if (defaultKernel && (defaultIndex >= 0)) {	} else if (defaultKernel && (defaultIndex >= 0)) {
5047	fprintf(stderr, _("grubby: --set-default and --set-default-index "	fprintf(stderr,
5048		_("grubby: --set-default and --set-default-index "
5049	"may not be used together\n"));	"may not be used together\n"));
5050	return 1;	return 1;
5051	}	}
5052
5053	if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) {	if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) {
5054	fprintf(stderr, _("grubby: output file must be specified if stdin "	fprintf(stderr,
5055	"is used\n"));	_("grubby: output file must be specified if stdin "
5056	return 1;	"is used\n"));
5057	}	return 1;
5058		}
5059
5060	if (!removeKernelPath && !newKernelPath && !displayDefault && !defaultKernel	if (!removeKernelPath && !newKernelPath && !displayDefault
5061	&& !kernelInfo && !bootloaderProbe && !updateKernelPath	&& !defaultKernel && !kernelInfo && !bootloaderProbe
5062	&& !removeMBKernel && !displayDefaultIndex && !displayDefaultTitle	&& !updateKernelPath && !removeMBKernel && !displayDefaultIndex
5063	&& (defaultIndex == -1)) {	&& !displayDefaultTitle && (defaultIndex == -1)) {
5064	fprintf(stderr, _("grubby: no action specified\n"));	fprintf(stderr, _("grubby: no action specified\n"));
5065	return 1;	return 1;
5066	}	}
5067
5068	flags |= badImageOkay ? GRUBBY_BADIMAGE_OKAY : 0;	flags |= badImageOkay ? GRUBBY_BADIMAGE_OKAY : 0;
5069
5070	if (cfi->needsBootPrefix) {	if (cfi->needsBootPrefix) {
5071	if (!bootPrefix) {	if (!bootPrefix) {
5072	bootPrefix = findBootPrefix();	bootPrefix = findBootPrefix();
5073	if (!bootPrefix) return 1;	if (!bootPrefix)
5074		return 1;
5075		} else {
5076		/* this shouldn't end with a / */
5077		if (bootPrefix[strlen(bootPrefix) - 1] == '/')
5078		bootPrefix[strlen(bootPrefix) - 1] = '\0';
5079		}
5080	} else {	} else {
5081	/* this shouldn't end with a / */	bootPrefix = "";
	if (bootPrefix[strlen(bootPrefix) - 1] == '/')
	bootPrefix[strlen(bootPrefix) - 1] = '\0';
5082	}	}
	} else {
	bootPrefix = "";
	}
5083
5084	if (!cfi->mbAllowExtraInitRds &&	if (!cfi->mbAllowExtraInitRds && extraInitrdCount > 0) {
5085	extraInitrdCount > 0) {	fprintf(stderr,
5086	fprintf(stderr, _("grubby: %s doesn't allow multiple initrds\n"), cfi->defaultConfig);	_("grubby: %s doesn't allow multiple initrds\n"),
5087	return 1;	cfi->defaultConfig);
5088	}	return 1;
5089		}
5090
5091	if (bootloaderProbe) {	if (bootloaderProbe) {
5092	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;
5093	struct grubConfig * lconfig, * gconfig, * yconfig, * econfig;	struct grubConfig *lconfig, *gconfig, *yconfig, *econfig;
5094
5095	const char *grub2config = grub2FindConfig(&grub2ConfigType);	const char *grub2config = grub2FindConfig(&grub2ConfigType);
5096	if (grub2config) {	if (grub2config) {
5097	gconfig = readConfig(grub2config, &grub2ConfigType);	gconfig = readConfig(grub2config, &grub2ConfigType);
5098	if (!gconfig)	if (!gconfig)
5099	gr2c = 1;	gr2c = 1;
5100	else	else
5101	gr2c = checkForGrub2(gconfig);	gr2c = checkForGrub2(gconfig);
5102	}	}
	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");
5103
5104	return 0;	const char *grubconfig = grubFindConfig(&grubConfigType);
5105	}	if (!access(grubconfig, F_OK)) {
5106		gconfig = readConfig(grubconfig, &grubConfigType);
5107		if (!gconfig)
5108		grc = 1;
5109		else
5110		grc = checkForGrub(gconfig);
5111		}
5112
5113	if (grubConfig == NULL) {	if (!access(liloConfigType.defaultConfig, F_OK)) {
5114	printf("Could not find bootloader configuration file.\n");	lconfig =
5115	exit(1);	readConfig(liloConfigType.defaultConfig,
5116	}	&liloConfigType);
5117		if (!lconfig)
5118		lrc = 1;
5119		else
5120		lrc = checkForLilo(lconfig);
5121		}
5122
5123	config = readConfig(grubConfig, cfi);	if (!access(eliloConfigType.defaultConfig, F_OK)) {
5124	if (!config) return 1;	econfig = readConfig(eliloConfigType.defaultConfig,
5125		&eliloConfigType);
5126		if (!econfig)
5127		erc = 1;
5128		else
5129		erc = checkForElilo(econfig);
5130		}
5131
5132	if (displayDefault) {	if (!access(extlinuxConfigType.defaultConfig, F_OK)) {
5133	struct singleLine * line;	lconfig =
5134	struct singleEntry * entry;	readConfig(extlinuxConfigType.defaultConfig,
5135	char * rootspec;	&extlinuxConfigType);
5136		if (!lconfig)
5137	if (config->defaultImage == -1) return 0;	extrc = 1;
5138	if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&	else
5139	cfi->defaultIsSaved)	extrc = checkForExtLinux(lconfig);
5140	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));
5141
5142	return 0;	if (!access(yabootConfigType.defaultConfig, F_OK)) {
5143		yconfig = readConfig(yabootConfigType.defaultConfig,
5144		&yabootConfigType);
5145		if (!yconfig)
5146		yrc = 1;
5147		else
5148		yrc = checkForYaboot(yconfig);
5149		}
5150
5151		if (lrc == 1 || grc == 1 || gr2c == 1 || extrc == 1 || yrc == 1
5152		|| erc == 1)
5153		return 1;
5154
5155		if (lrc == 2)
5156		printf("lilo\n");
5157		if (gr2c == 2)
5158		printf("grub2\n");
5159		if (grc == 2)
5160		printf("grub\n");
5161		if (extrc == 2)
5162		printf("extlinux\n");
5163		if (yrc == 2)
5164		printf("yaboot\n");
5165		if (erc == 2)
5166		printf("elilo\n");
5167
	} else if (displayDefaultTitle) {
	struct singleLine * line;
	struct singleEntry * entry;
	if (config->defaultImage == -1)
	return 0;
	if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
	cfi->defaultIsSaved)
	config->defaultImage = 0;
	entry = findEntryByIndex(config, config->defaultImage);
	if (!entry)
5168	return 0;	return 0;
5169		}
5170
5171		if (grubConfig == NULL) {
5172		printf("Could not find bootloader configuration file.\n");
5173		exit(1);
5174		}
5175
5176		config = readConfig(grubConfig, cfi);
5177		if (!config)
5178		return 1;
5179
5180		if (displayDefault) {
5181		struct singleLine *line;
5182		struct singleEntry *entry;
5183		char *rootspec;
5184
5185		if (config->defaultImage == NO_DEFAULT_ENTRY)
5186		return 0;
5187		if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
5188		cfi->defaultIsSaved)
5189		config->defaultImage = FIRST_ENTRY_INDEX;
5190		entry = findEntryByIndex(config, config->defaultImage);
5191		if (!entry)
5192		return 0;
5193		if (!suitableImage(entry, bootPrefix, 0, flags))
5194		return 0;
5195
5196		line =
5197		getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI |
5198		LT_KERNEL_16, entry->lines);
5199		if (!line)
5200		return 0;
5201
5202		rootspec = getRootSpecifier(line->elements[1].item);
5203		printf("%s%s\n", bootPrefix, line->elements[1].item +
5204		((rootspec != NULL) ? strlen(rootspec) : 0));
5205
	if (!configureGrub2) {
	char *title;
	line = getLineByType(LT_TITLE, entry->lines);
	if (!line)
5206	return 0;	return 0;
5207	title = extractTitle(config, line);
5208	if (!title)	} else if (displayDefaultTitle) {
5209		struct singleLine *line;
5210		struct singleEntry *entry;
5211
5212		if (config->defaultImage == NO_DEFAULT_ENTRY)
5213		return 0;
5214		if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
5215		cfi->defaultIsSaved)
5216		config->defaultImage = FIRST_ENTRY_INDEX;
5217		entry = findEntryByIndex(config, config->defaultImage);
5218		if (!entry)
5219		return 0;
5220
5221		if (!configureGrub2) {
5222		char *title;
5223		line = getLineByType(LT_TITLE, entry->lines);
5224		if (!line)
5225		return 0;
5226		title = extractTitle(config, line);
5227		if (!title)
5228		return 0;
5229		printf("%s\n", title);
5230		free(title);
5231		} else {
5232		char *title;
5233
5234		dbgPrintf
5235		("This is GRUB2, default title is embeded in menuentry\n");
5236		line = getLineByType(LT_MENUENTRY, entry->lines);
5237		if (!line)
5238		return 0;
5239		title = grub2ExtractTitle(line);
5240		if (title)
5241		printf("%s\n", title);
5242		}
5243	return 0;	return 0;
	printf("%s\n", title);
	free(title);
	} else {
	char * title;
5244
5245	dbgPrintf("This is GRUB2, default title is embeded in menuentry\n");	} else if (displayDefaultIndex) {
5246	line = getLineByType(LT_MENUENTRY, entry->lines);	if (config->defaultImage == NO_DEFAULT_ENTRY)
5247	if (!line)	return 0;
5248		if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
5249		cfi->defaultIsSaved)
5250		config->defaultImage = FIRST_ENTRY_INDEX;
5251		printf("%i\n", config->defaultImage);
5252	return 0;	return 0;
	title = grub2ExtractTitle(line);
	if (title)
	printf("%s\n", title);
	}
	return 0;
5253
5254	} else if (displayDefaultIndex) {	} else if (kernelInfo)
5255	if (config->defaultImage == -1) return 0;	return displayInfo(config, kernelInfo, bootPrefix);
	if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
	cfi->defaultIsSaved)
	config->defaultImage = 0;
	printf("%i\n", config->defaultImage);
	return 0;
	} else if (kernelInfo)
	return displayInfo(config, kernelInfo, bootPrefix);
	if (copyDefault) {
	template = findTemplate(config, bootPrefix, NULL, 0, flags);
	if (!template) return 1;
	}
5256
5257	markRemovedImage(config, removeKernelPath, bootPrefix);	if (copyDefault) {
5258	markRemovedImage(config, removeMBKernel, bootPrefix);	template = findTemplate(config, bootPrefix, NULL, 0, flags);
5259	setDefaultImage(config, newKernelPath != NULL, defaultKernel, makeDefault,	if (!template)
5260	bootPrefix, flags, defaultIndex);	return 1;
5261	setFallbackImage(config, newKernelPath != NULL);	}
5262	if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs,
5263	removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1;	markRemovedImage(config, removeKernelPath, bootPrefix);
5264	if (updateKernelPath && newKernelInitrd) {	markRemovedImage(config, removeMBKernel, bootPrefix);
5265	if (newMBKernel) {	setDefaultImage(config, newKernelPath != NULL, defaultKernel,
5266	if (addMBInitrd(config, newMBKernel, updateKernelPath,	makeDefault, bootPrefix, flags, defaultIndex);
5267		setFallbackImage(config, newKernelPath != NULL);
5268		if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs,
5269		removeArgs, newMBKernelArgs, removeMBKernelArgs))
5270		return 1;
5271		if (updateKernelPath && newKernelInitrd) {
5272		if (newMBKernel) {
5273		if (addMBInitrd(config, newMBKernel, updateKernelPath,
5274	bootPrefix, newKernelInitrd,	bootPrefix, newKernelInitrd,
5275	newKernelTitle))	newKernelTitle))
5276	return 1;	return 1;
5277	} else {	} else {
5278	if (updateInitrd(config, updateKernelPath, bootPrefix,	if (updateInitrd(config, updateKernelPath, bootPrefix,
5279	newKernelInitrd, newKernelTitle))	newKernelInitrd, newKernelTitle))
5280	return 1;	return 1;
5281	}	}
5282	}	}
5283	if (addNewKernel(config, template, bootPrefix, newKernelPath,	if (addNewKernel(config, template, bootPrefix, newKernelPath,
5284	newKernelTitle, newKernelArgs, newKernelInitrd,	newKernelTitle, newKernelArgs, newKernelInitrd,
5285	(const char **)extraInitrds, extraInitrdCount,	(const char **)extraInitrds, extraInitrdCount,
5286	newMBKernel, newMBKernelArgs, newDevTreePath)) return 1;	newMBKernel, newMBKernelArgs, newDevTreePath,
5287		newIndex))
5288		return 1;
5289	if (numEntries(config) == 0) {
5290	fprintf(stderr, _("grubby: doing this would leave no kernel entries. "	if (numEntries(config) == 0) {
5291	"Not writing out new config.\n"));	fprintf(stderr,
5292	return 1;	_("grubby: doing this would leave no kernel entries. "
5293	}	"Not writing out new config.\n"));
5294		return 1;
5295		}
5296
5297	if (!outputFile)	if (!outputFile)
5298	outputFile = (char *)grubConfig;	outputFile = (char *)grubConfig;
5299
5300	return writeConfig(config, outputFile, bootPrefix);	return writeConfig(config, outputFile, bootPrefix);
5301	}	}

---

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

Legend: Removed from v.2992   changed lines   Added in v.3018