Diff of /tags/grubby-8_40_20170706/grubby.c

Parent Directory | Revision Log | Patch

	revision 2995 by niro, Thu Jun 30 10:37:52 2016 UTC	revision 3029 by niro, Tue Jun 27 14:46:56 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		int isModified; /* assumes only one entry added
685		per invocation of grubby */
686	};	};
687
688	blkid_cache blkid;	blkid_cache blkid;
689
690	struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index);	struct singleEntry *findEntryByIndex(struct grubConfig *cfg, int index);
691	struct singleEntry * findEntryByPath(struct grubConfig * cfg,	struct singleEntry *findEntryByPath(struct grubConfig *cfg,
692	const char * path, const char * prefix,	const char *path, const char *prefix,
693	int * index);	int *index);
694	struct singleEntry * findEntryByTitle(struct grubConfig * cfg, char *title,	struct singleEntry *findEntryByTitle(struct grubConfig *cfg, char *title,
695	int * index);	int *index);
696	static int readFile(int fd, char ** bufPtr);	static int readFile(int fd, char **bufPtr);
697	static void lineInit(struct singleLine * line);	static void lineInit(struct singleLine *line);
698	struct singleLine * lineDup(struct singleLine * line);	struct singleLine *lineDup(struct singleLine *line);
699	static void lineFree(struct singleLine * line);	static void lineFree(struct singleLine *line);
700	static int lineWrite(FILE * out, struct singleLine * line,	static int lineWrite(FILE * out, struct singleLine *line,
701	struct configFileInfo * cfi);	struct configFileInfo *cfi);
702	static int getNextLine(char ** bufPtr, struct singleLine * line,	static int getNextLine(char **bufPtr, struct singleLine *line,
703	struct configFileInfo * cfi);	struct configFileInfo *cfi);
704	static char * getRootSpecifier(char * str);	static char *getRootSpecifier(char *str);
705	static void requote(struct singleLine *line, struct configFileInfo * cfi);	static void requote(struct singleLine *line, struct configFileInfo *cfi);
706	static void insertElement(struct singleLine * line,	static void insertElement(struct singleLine *line,
707	const char * item, int insertHere,	const char *item, int insertHere,
708	struct configFileInfo * cfi);	struct configFileInfo *cfi);
709	static void removeElement(struct singleLine * line, int removeHere);	static void removeElement(struct singleLine *line, int removeHere);
710	static struct keywordTypes * getKeywordByType(enum lineType_e type,	static struct keywordTypes *getKeywordByType(enum lineType_e type,
711	struct configFileInfo * cfi);	struct configFileInfo *cfi);
712	static enum lineType_e getTypeByKeyword(char * keyword,	static enum lineType_e getTypeByKeyword(char *keyword,
713	struct configFileInfo * cfi);	struct configFileInfo *cfi);
714	static struct singleLine * getLineByType(enum lineType_e type,	static struct singleLine *getLineByType(enum lineType_e type,
715	struct singleLine * line);	struct singleLine *line);
716	static int checkForExtLinux(struct grubConfig * config);	static int checkForExtLinux(struct grubConfig *config);
717	struct singleLine * addLineTmpl(struct singleEntry * entry,	struct singleLine *addLineTmpl(struct singleEntry *entry,
718	struct singleLine * tmplLine,	struct singleLine *tmplLine,
719	struct singleLine * prevLine,	struct singleLine *prevLine,
720	const char * val,	const char *val, struct configFileInfo *cfi);
721	struct configFileInfo * cfi);	struct singleLine *addLine(struct singleEntry *entry,
722	struct singleLine *  addLine(struct singleEntry * entry,	struct configFileInfo *cfi,
723	struct configFileInfo * cfi,	enum lineType_e type, char *defaultIndent,
724	enum lineType_e type, char * defaultIndent,	const char *val);
	const char * val);
725
726	static char * sdupprintf(const char *format, ...)	static char *sdupprintf(const char *format, ...)
727	#ifdef __GNUC__	#ifdef __GNUC__
728	__attribute__ ((format (printf, 1, 2)));	__attribute__ ((format(printf, 1, 2)));
729	#else	#else
730	;	;
731	#endif	#endif
732
733	static char * sdupprintf(const char *format, ...) {	static char *sdupprintf(const char *format, ...)
734	char *buf = NULL;	{
735	char c;	char *buf = NULL;
736	va_list args;	char c;
737	size_t size = 0;	va_list args;
738	va_start(args, format);	size_t size = 0;
739		va_start(args, format);
740	/* XXX requires C99 vsnprintf behavior */
741	size = vsnprintf(&c, 1, format, args) + 1;	/* XXX requires C99 vsnprintf behavior */
742	if (size == -1) {	size = vsnprintf(&c, 1, format, args) + 1;
743	printf("ERROR: vsnprintf behavior is not C99\n");	if (size == -1) {
744	abort();	printf("ERROR: vsnprintf behavior is not C99\n");
745	}	abort();
746		}
747
748	va_end(args);	va_end(args);
749	va_start(args, format);	va_start(args, format);
750
751	buf = malloc(size);	buf = malloc(size);
752	if (buf == NULL)	if (buf == NULL)
753	return NULL;	return NULL;
754	vsnprintf(buf, size, format, args);	vsnprintf(buf, size, format, args);
755	va_end (args);	va_end(args);
756
757		return buf;
758		}
759
760	return buf;	static inline int
761		kwcmp(struct keywordTypes *kw, const char * label, int case_insensitive)
762		{
763		int kwl = strlen(kw->key);
764		int ll = strlen(label);
765		int rc;
766		int (*snc)(const char *s1, const char *s2, size_t n) =
767		case_insensitive ? strncasecmp : strncmp;
768		int (*sc)(const char *s1, const char *s2) =
769		case_insensitive ? strcasecmp : strcmp;
770
771		rc = snc(kw->key, label, kwl);
772		if (rc)
773		return rc;
774
775		for (int i = kwl; i < ll; i++) {
776		if (isspace(label[i]))
777		return 0;
778		if (kw->separatorChar && label[i] == kw->separatorChar)
779		return 0;
780		else if (kw->nextChar && label[i] == kw->nextChar)
781		return 0;
782		return sc(kw->key+kwl, label+kwl);
783		}
784		return 0;
785	}	}
786
787	static enum lineType_e preferredLineType(enum lineType_e type,	static enum lineType_e preferredLineType(enum lineType_e type,
788	struct configFileInfo *cfi) {	struct configFileInfo *cfi)
789	if (isEfi && cfi == &grub2ConfigType) {	{
790	switch (type) {	if (isEfi && cfi == &grub2ConfigType) {
791	case LT_KERNEL:	switch (type) {
792	return isEfiOnly ? LT_KERNEL : LT_KERNEL_EFI;	case LT_KERNEL:
793	case LT_INITRD:	return isEfiOnly ? LT_KERNEL : LT_KERNEL_EFI;
794	return isEfiOnly ? LT_INITRD : LT_INITRD_EFI;	case LT_INITRD:
795	default:	return isEfiOnly ? LT_INITRD : LT_INITRD_EFI;
796	return type;	default:
797	}	return type;
798		}
799	#if defined(__i386__) || defined(__x86_64__)	#if defined(__i386__) || defined(__x86_64__)
800	} else if (cfi == &grub2ConfigType) {	} else if (cfi == &grub2ConfigType) {
801	switch (type) {	switch (type) {
802	case LT_KERNEL:	case LT_KERNEL:
803	return LT_KERNEL_16;	return LT_KERNEL_16;
804	case LT_INITRD:	case LT_INITRD:
805	return LT_INITRD_16;	return LT_INITRD_16;
806	default:	default:
807	return type;	return type;
808	}	}
809	#endif	#endif
810	}	}
811	return type;	return type;
812	}	}
813
814	static struct keywordTypes * getKeywordByType(enum lineType_e type,	static struct keywordTypes *getKeywordByType(enum lineType_e type,
815	struct configFileInfo * cfi) {	struct configFileInfo *cfi)
816	for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) {	{
817	if (kw->type == type)	for (struct keywordTypes * kw = cfi->keywords; kw->key; kw++) {
818	return kw;	if (kw->type == type)
819	}	return kw;
820	return NULL;	}
821		return NULL;
822	}	}
823
824	static char *getKeyByType(enum lineType_e type, struct configFileInfo * cfi) {	static char *getKeyByType(enum lineType_e type, struct configFileInfo *cfi)
825	struct keywordTypes *kt = getKeywordByType(type, cfi);	{
826	if (kt)	struct keywordTypes *kt = getKeywordByType(type, cfi);
827	return kt->key;	if (kt)
828	return "unknown";	return kt->key;
829		return "unknown";
830	}	}
831
832	static char * getpathbyspec(char *device) {	static char *getpathbyspec(char *device)
833	if (!blkid)	{
834	blkid_get_cache(&blkid, NULL);	if (!blkid)
835		blkid_get_cache(&blkid, NULL);
836
837	return blkid_get_devname(blkid, device, NULL);	return blkid_get_devname(blkid, device, NULL);
838	}	}
839
840	static char * getuuidbydev(char *device) {	static char *getuuidbydev(char *device)
841	if (!blkid)	{
842	blkid_get_cache(&blkid, NULL);	if (!blkid)
843		blkid_get_cache(&blkid, NULL);
844
845	return blkid_get_tag_value(blkid, "UUID", device);	return blkid_get_tag_value(blkid, "UUID", device);
846	}	}
847
848	static enum lineType_e getTypeByKeyword(char * keyword,	static enum lineType_e getTypeByKeyword(char *keyword,
849	struct configFileInfo * cfi) {	struct configFileInfo *cfi)
850	for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) {	{
851	if (cfi->caseInsensitive) {	for (struct keywordTypes * kw = cfi->keywords; kw->key; kw++) {
852	if (!strcasecmp(keyword, kw->key))	if (!kwcmp(kw, keyword, cfi->caseInsensitive))
853	return kw->type;	return kw->type;
	} else {
	if (!strcmp(keyword, kw->key))
	return kw->type;
854	}	}
855	}	return LT_UNKNOWN;
	return LT_UNKNOWN;
856	}	}
857
858	static struct singleLine * getLineByType(enum lineType_e type,	static struct singleLine *getLineByType(enum lineType_e type,
859	struct singleLine * line) {	struct singleLine *line)
860	dbgPrintf("getLineByType(%d): ", type);	{
861	for (; line; line = line->next) {	dbgPrintf("getLineByType(%d): ", type);
862	dbgPrintf("%d:%s ", line->type,	for (; line; line = line->next) {
863	line->numElements ? line->elements[0].item : "(empty)");	dbgPrintf("%d:%s ", line->type,
864	if (line->type & type) break;	line->numElements ? line->elements[0].
865	}	item : "(empty)");
866	dbgPrintf(line ? "\n" : " (failed)\n");	if (line->type & type)
867	return line;	break;
868		}
869		dbgPrintf(line ? "\n" : " (failed)\n");
870		return line;
871	}	}
872
873	static int isBracketedTitle(struct singleLine * line) {	static int isBracketedTitle(struct singleLine *line)
874	if (line->numElements == 1 && *line->elements[0].item == '[') {	{
875	int len = strlen(line->elements[0].item);	if (line->numElements == 1 && *line->elements[0].item == '[') {
876	if (*(line->elements[0].item + len - 1) == ']') {	int len = strlen(line->elements[0].item);
877	/* FIXME: this is a hack... */	if (*(line->elements[0].item + len - 1) == ']') {
878	if (strcmp(line->elements[0].item, "[defaultboot]")) {	/* FIXME: this is a hack... */
879	return 1;	if (strcmp(line->elements[0].item, "[defaultboot]")) {
880	}	return 1;
881	}	}
882	}	}
883	return 0;	}
884		return 0;
885	}	}
886
887	static int isEntryStart(struct singleLine * line,	static int isEntryStart(struct singleLine *line, struct configFileInfo *cfi)
888	struct configFileInfo * cfi) {	{
889	return line->type == cfi->entryStart || line->type == LT_OTHER ||	return line->type == cfi->entryStart || line->type == LT_OTHER ||
890	(cfi->titleBracketed && isBracketedTitle(line));	(cfi->titleBracketed && isBracketedTitle(line));
891	}	}
892
893	/* extract the title from within brackets (for zipl) */	/* extract the title from within brackets (for zipl) */
894	static char * extractTitle(struct grubConfig *cfg, struct singleLine * line) {	static char *extractTitle(struct grubConfig *cfg, struct singleLine *line)
895	/* bracketed title... let's extract it */	{
896	char * title = NULL;	/* bracketed title... let's extract it */
897	if (line->type == LT_TITLE) {	char *title = NULL;
898	char *tmp = line->elements[cfg->cfi->titlePosition].item;	if (line->type == LT_TITLE) {
899	if (cfg->cfi->titleBracketed) {	char *tmp = line->elements[cfg->cfi->titlePosition].item;
900	tmp++;	if (cfg->cfi->titleBracketed) {
901	title = strdup(tmp);	tmp++;
902	*(title + strlen(title) - 1) = '\0';	title = strdup(tmp);
903	} else {	*(title + strlen(title) - 1) = '\0';
904	title = strdup(tmp);	} else {
905	}	title = strdup(tmp);
906	} else if (line->type == LT_MENUENTRY)	}
907	title = strdup(line->elements[1].item);	} else if (line->type == LT_MENUENTRY)
908	else	title = strdup(line->elements[1].item);
909	return NULL;	else
910	return title;	return NULL;
911		return title;
912	}	}
913
914	static int readFile(int fd, char ** bufPtr) {	static int readFile(int fd, char **bufPtr)
915	int alloced = 0, size = 0, i = 0;	{
916	char * buf = NULL;	int alloced = 0, size = 0, i = 0;
917		char *buf = NULL;
918
919	do {	do {
920	size += i;	size += i;
921	if ((size + 1024) > alloced) {	if ((size + 1024) > alloced) {
922	alloced += 4096;	alloced += 4096;
923	buf = realloc(buf, alloced + 1);	buf = realloc(buf, alloced + 1);
924	}	}
925	} while ((i = read(fd, buf + size, 1024)) > 0);	} while ((i = read(fd, buf + size, 1024)) > 0);
926
927	if (i < 0) {	if (i < 0) {
928	fprintf(stderr, _("error reading input: %s\n"), strerror(errno));	fprintf(stderr, _("error reading input: %s\n"),
929	free(buf);	strerror(errno));
930	return 1;	free(buf);
931	}	return 1;
932		}
933
934	buf = realloc(buf, size + 2);	buf = realloc(buf, size + 2);
935	if (size == 0)	if (size == 0)
936	buf[size++] = '\n';	buf[size++] = '\n';
937	else	else if (buf[size - 1] != '\n')
938	if (buf[size - 1] != '\n')	buf[size++] = '\n';
939	buf[size++] = '\n';	buf[size] = '\0';
	buf[size] = '\0';
940
941	*bufPtr = buf;	*bufPtr = buf;
942
943	return 0;	return 0;
944	}	}
945
946	static void lineInit(struct singleLine * line) {	static void lineInit(struct singleLine *line)
947	line->indent = NULL;	{
948	line->elements = NULL;	line->type = LT_UNIDENTIFIED;
949	line->numElements = 0;	line->indent = NULL;
950	line->next = NULL;	line->elements = NULL;
951	}	line->numElements = 0;
952		line->next = NULL;
	struct singleLine * lineDup(struct singleLine * line) {
	struct singleLine * newLine = malloc(sizeof(*newLine));
	newLine->indent = strdup(line->indent);
	newLine->next = NULL;
	newLine->type = line->type;
	newLine->numElements = line->numElements;
	newLine->elements = malloc(sizeof(*newLine->elements) *
	newLine->numElements);
	for (int i = 0; i < newLine->numElements; i++) {
	newLine->elements[i].indent = strdup(line->elements[i].indent);
	newLine->elements[i].item = strdup(line->elements[i].item);
	}
	return newLine;
953	}	}
954
955	static void lineFree(struct singleLine * line) {	struct singleLine *lineDup(struct singleLine *line)
956	if (line->indent) free(line->indent);	{
957		struct singleLine *newLine = malloc(sizeof(*newLine));
958
959	for (int i = 0; i < line->numElements; i++) {	newLine->indent = strdup(line->indent);
960	free(line->elements[i].item);	newLine->next = NULL;
961	free(line->elements[i].indent);	newLine->type = line->type;
962	}	newLine->numElements = line->numElements;
963		newLine->elements = malloc(sizeof(*newLine->elements) *
964		newLine->numElements);
965
966	if (line->elements) free(line->elements);	for (int i = 0; i < newLine->numElements; i++) {
967	lineInit(line);	newLine->elements[i].indent = strdup(line->elements[i].indent);
968	}	newLine->elements[i].item = strdup(line->elements[i].item);
969		}
970
971	static int lineWrite(FILE * out, struct singleLine * line,	return newLine;
972	struct configFileInfo * cfi) {	}
	if (fprintf(out, "%s", line->indent) == -1) return -1;
	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;
	}
973
974	if (line->type == LT_KERNELARGS && cfi->argsInQuotes)	static void lineFree(struct singleLine *line)
975	if (fputc('"', out) == EOF) return -1;	{
976		if (line->indent)
977		free(line->indent);
978
979	if (fprintf(out, "\n") == -1) return -1;	for (int i = 0; i < line->numElements; i++) {
980		free(line->elements[i].item);
981		free(line->elements[i].indent);
982		}
983
984	return 0;	if (line->elements)
985		free(line->elements);
986		lineInit(line);
987	}	}
988
989	/* we've guaranteed that the buffer ends w/ \n\0 */	static int lineWrite(FILE * out, struct singleLine *line,
990	static int getNextLine(char ** bufPtr, struct singleLine * line,	struct configFileInfo *cfi)
991	struct configFileInfo * cfi) {	{
992	char * end;	if (fprintf(out, "%s", line->indent) == -1)
993	char * start = *bufPtr;	return -1;
	char * chptr;
	int elementsAlloced = 0;
	struct lineElement * element;
	int first = 1;
994
995	lineFree(line);	for (int i = 0; i < line->numElements; i++) {
996		/* Need to handle this, because we strip the quotes from
997		* menuentry when read it. */
998		if (line->type == LT_MENUENTRY && i == 1) {
999		if (!isquote(*line->elements[i].item)) {
1000		int substring = 0;
1001		/* If the line contains nested quotes, we did
1002		* not strip the "interna" quotes and we must
1003		* use the right quotes again when writing
1004		* the updated file. */
1005		for (int j = i; j < line->numElements; j++) {
1006		if (strchr(line->elements[i].item, '\'')
1007		!= NULL) {
1008		substring = 1;
1009		fprintf(out, "\"%s\"",
1010		line->elements[i].item);
1011		break;
1012		}
1013		}
1014		if (!substring)
1015		fprintf(out, "\'%s\'",
1016		line->elements[i].item);
1017		} else {
1018		fprintf(out, "%s", line->elements[i].item);
1019		}
1020		fprintf(out, "%s", line->elements[i].indent);
1021
1022	end = strchr(start, '\n');	continue;
1023	*end = '\0';	}
	*bufPtr = end + 1;
1024
1025	for (chptr = start; *chptr && isspace(*chptr); chptr++) ;	if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes)
1026		if (fputc('"', out) == EOF)
1027		return -1;
1028
1029		if (fprintf(out, "%s", line->elements[i].item) == -1)
1030		return -1;
1031		if (i < line->numElements - 1 || line->type == LT_SET_VARIABLE)
1032		if (fprintf(out, "%s", line->elements[i].indent) == -1)
1033		return -1;
1034		}
1035
1036		if (line->type == LT_KERNELARGS && cfi->argsInQuotes)
1037		if (fputc('"', out) == EOF)
1038		return -1;
1039
1040	line->indent = strndup(start, chptr - start);	if (fprintf(out, "\n") == -1)
1041	start = chptr;	return -1;
1042
1043	while (start < end) {	return 0;
1044	/* we know !isspace(*start) */	}
1045
1046	if (elementsAlloced == line->numElements) {	/* we've guaranteed that the buffer ends w/ \n\0 */
1047	elementsAlloced += 5;	static int getNextLine(char **bufPtr, struct singleLine *line,
1048	line->elements = realloc(line->elements,	struct configFileInfo *cfi)
1049	sizeof(*line->elements) * elementsAlloced);	{
1050	}	char *end;
1051		char *start = *bufPtr;
1052		char *chptr;
1053		int elementsAlloced = 0;
1054		struct lineElement *element;
1055		int first = 1;
1056
1057	element = line->elements + line->numElements;	lineFree(line);
1058
1059	chptr = start;	end = strchr(start, '\n');
1060	while (*chptr && !isspace(*chptr)) {	*end = '\0';
1061	if (first && *chptr == '=') break;	*bufPtr = end + 1;
	chptr++;
	}
	element->item = strndup(start, chptr - start);
	start = chptr;
1062
1063	/* 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));
1064
1065	element->indent = strndup(start, chptr - start);	line->indent = strndup(start, chptr - start);
1066	start = chptr;	start = chptr;
1067
1068	line->numElements++;	while (start < end) {
1069	first = 0;	/* we know !isspace(*start) */
	}
1070
1071	if (!line->numElements)	if (elementsAlloced == line->numElements) {
1072	line->type = LT_WHITESPACE;	elementsAlloced += 5;
1073	else {	line->elements = realloc(line->elements,
1074	line->type = getTypeByKeyword(line->elements[0].item, cfi);	sizeof(*line->elements) *
1075	if (line->type == LT_UNKNOWN) {	elementsAlloced);
1076	/* 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);
1077
1078	fullLine = malloc(len + 1);	element = line->elements + line->numElements;
	strcpy(fullLine, line->indent);
	free(line->indent);
	line->indent = fullLine;
1079
1080	for (int i = 0; i < line->numElements; i++) {	chptr = start;
1081	strcat(fullLine, line->elements[i].item);	while (*chptr && !isspace(*chptr)) {
1082	strcat(fullLine, line->elements[i].indent);	if (first && *chptr == '=')
1083	free(line->elements[i].item);	break;
1084	free(line->elements[i].indent);	chptr++;
1085	}	}
1086		if (line->type == LT_UNIDENTIFIED)
1087		line->type = getTypeByKeyword(start, cfi);
1088		element->item = strndup(start, chptr - start);
1089		start = chptr;
1090
1091		/* lilo actually accepts the pathological case of
1092		* append = " foo " */
1093		if (*start == '=')
1094		chptr = start + 1;
1095		else
1096		chptr = start;
1097
1098		do {
1099		for (; *chptr && isspace(*chptr); chptr++) ;
1100		if (*chptr == '=')
1101		chptr = chptr + 1;
1102		} while (isspace(*chptr));
1103
1104		element->indent = strndup(start, chptr - start);
1105		start = chptr;
1106
1107		line->numElements++;
1108		first = 0;
1109		}
1110
1111		if (!line->numElements)
1112	line->type = LT_WHITESPACE;	line->type = LT_WHITESPACE;
1113	line->numElements = 0;	else {
1114	}	line->type = getTypeByKeyword(line->elements[0].item, cfi);
1115	} else {	if (line->type == LT_UNKNOWN) {
1116	struct keywordTypes *kw;	/* zipl does [title] instead of something reasonable
1117		* like all the other boot loaders.  kind of ugly */
1118		if (cfi->titleBracketed && isBracketedTitle(line)) {
1119		line->type = LT_TITLE;
1120		}
1121
1122	kw = getKeywordByType(line->type, cfi);	/* this is awkward, but we need to be able to handle
1123		* keywords that begin with a # (specifically for
1124		* #boot in grub.conf), but still make comments lines
1125		* with no elements (everything stored in the indent
1126		*/
1127		if (*line->elements[0].item == '#') {
1128		char *fullLine;
1129		int len;
1130
1131		len = strlen(line->indent);
1132		for (int i = 0; i < line->numElements; i++)
1133		len += strlen(line->elements[i].item) +
1134		strlen(line->elements[i].indent);
1135
1136		fullLine = malloc(len + 1);
1137		strcpy(fullLine, line->indent);
1138		free(line->indent);
1139		line->indent = fullLine;
1140
1141		for (int i = 0; i < line->numElements; i++) {
1142		strcat(fullLine,
1143		line->elements[i].item);
1144		strcat(fullLine,
1145		line->elements[i].indent);
1146		free(line->elements[i].item);
1147		free(line->elements[i].indent);
1148		}
1149
1150	/* space isn't the only separator, we need to split	line->type = LT_WHITESPACE;
1151	* 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];
1152	}	}
1153	line->numElements += numNewElements;	} else if (line->type == LT_INITRD) {
1154		struct keywordTypes *kw;
1155
1156	p = line->elements[i].item;	kw = getKeywordByType(line->type, cfi);
	while (*p != '\0') {
1157
1158	while (*p != kw->separatorChar && *p != '\0') p++;	/* space isn't the only separator, we need to split
1159	if (*p == '\0') {	* elements up more
1160	break;	*/
1161	}	if (!isspace(kw->separatorChar)) {
1162		char indent[2] = "";
1163		indent[0] = kw->separatorChar;
1164		for (int i = 1; i < line->numElements; i++) {
1165		char *p;
1166		int numNewElements;
1167
1168		numNewElements = 0;
1169		p = line->elements[i].item;
1170		while (*p != '\0') {
1171		if (*p == kw->separatorChar)
1172		numNewElements++;
1173		p++;
1174		}
1175		if (line->numElements +
1176		numNewElements >= elementsAlloced) {
1177		elementsAlloced +=
1178		numNewElements + 5;
1179		line->elements =
1180		realloc(line->elements,
1181		sizeof(*line->
1182		elements) *
1183		elementsAlloced);
1184		}
1185
1186	line->elements[i + 1].indent = line->elements[i].indent;	for (int j = line->numElements; j > i;
1187	line->elements[i].indent = strdup(indent);	j--) {
1188	*p++ = '\0';	line->elements[j +
1189	i++;	numNewElements] =
1190	line->elements[i].item = strdup(p);	line->elements[j];
1191		}
1192		line->numElements += numNewElements;
1193
1194		p = line->elements[i].item;
1195		while (*p != '\0') {
1196
1197		while (*p != kw->separatorChar
1198		&& *p != '\0')
1199		p++;
1200		if (*p == '\0') {
1201		break;
1202		}
1203
1204		line->elements[i + 1].indent =
1205		line->elements[i].indent;
1206		line->elements[i].indent =
1207		strdup(indent);
1208		*p++ = '\0';
1209		i++;
1210		line->elements[i].item =
1211		strdup(p);
1212		}
1213		}
1214		}
1215		} else if (line->type == LT_SET_VARIABLE) {
1216		/* and if it's a "set blah=" we need to split it
1217		* yet a third way to avoid rhbz# XXX FIXME :/
1218		*/
1219		char *eq;
1220		int l;
1221		int numElements = line->numElements;
1222		struct lineElement *newElements;
1223		eq = strchr(line->elements[1].item, '=');
1224		if (!eq)
1225		return 0;
1226		l = eq - line->elements[1].item;
1227		if (eq[1] != 0)
1228		numElements++;
1229		newElements = calloc(numElements,sizeof (*newElements));
1230		memcpy(&newElements[0], &line->elements[0],
1231		sizeof (newElements[0]));
1232		newElements[1].item =
1233		strndup(line->elements[1].item, l);
1234		newElements[1].indent = "=";
1235		*(eq++) = '\0';
1236		newElements[2].item = strdup(eq);
1237		free(line->elements[1].item);
1238		if (line->elements[1].indent)
1239		newElements[2].indent = line->elements[1].indent;
1240		for (int i = 2; i < line->numElements; i++) {
1241		newElements[i+1].item = line->elements[i].item;
1242		newElements[i+1].indent =
1243		line->elements[i].indent;
1244	}	}
1245	}	free(line->elements);
1246		line->elements = newElements;
1247		line->numElements = numElements;
1248	}	}
1249	}	}
	}
1250
1251	return 0;	return 0;
1252	}	}
1253
1254	static int isnumber(const char *s)	static int isnumber(const char *s)
1255	{	{
1256	int i;	int i;
1257	for (i = 0; s[i] != '\0'; i++)	for (i = 0; s[i] != '\0'; i++)
1258	if (s[i] < '0' || s[i] > '9')	if (s[i] < '0' || s[i] > '9')
1259	return 0;	return 0;
1260	return i;	return i;
1261	}	}
1262
1263	static struct grubConfig * readConfig(const char * inName,	static struct grubConfig *readConfig(const char *inName,
1264	struct configFileInfo * cfi) {	struct configFileInfo *cfi)
1265	int in;	{
1266	char * incoming = NULL, * head;	int in;
1267	int rc;	char *incoming = NULL, *head;
1268	int sawEntry = 0;	int rc;
1269	int movedLine = 0;	int sawEntry = 0;
1270	struct grubConfig * cfg;	int movedLine = 0;
1271	struct singleLine * last = NULL, * line, * defaultLine = NULL;	struct grubConfig *cfg;
1272	char * end;	struct singleLine *last = NULL, *line, *defaultLine = NULL;
1273	struct singleEntry * entry = NULL;	char *end;
1274	int len;	struct singleEntry *entry = NULL;
1275	char * buf;	int len;
1276		char *buf;
1277	if (inName == NULL) {
1278	printf("Could not find bootloader configuration\n");	if (inName == NULL) {
1279	exit(1);	printf("Could not find bootloader configuration\n");
1280	} else if (!strcmp(inName, "-")) {	exit(1);
1281	in = 0;	} else if (!strcmp(inName, "-")) {
1282	} else {	in = 0;
1283	if ((in = open(inName, O_RDONLY)) < 0) {	} else {
1284	fprintf(stderr, _("error opening %s for read: %s\n"),	if ((in = open(inName, O_RDONLY)) < 0) {
1285	inName, strerror(errno));	fprintf(stderr, _("error opening %s for read: %s\n"),
1286	return NULL;	inName, strerror(errno));
1287		return NULL;
1288		}
1289	}	}
	}
	rc = readFile(in, &incoming);
	close(in);
	if (rc) return NULL;
	head = incoming;
	cfg = malloc(sizeof(*cfg));
	cfg->primaryIndent = strdup("");
	cfg->secondaryIndent = strdup("\t");
	cfg->flags = GRUB_CONFIG_NO_DEFAULT;
	cfg->cfi = cfi;
	cfg->theLines = NULL;
	cfg->entries = NULL;
	cfg->fallbackImage = 0;
	/* copy everything we have */
	while (*head) {
	line = malloc(sizeof(*line));
	lineInit(line);
	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';
1290
1291	for (int i = 1; i < line->numElements; i++) {	rc = readFile(in, &incoming);
1292	strcat(buf, line->elements[i].item);	close(in);
1293	free(line->elements[i].item);	if (rc)
1294		return NULL;
1295
1296		head = incoming;
1297		cfg = malloc(sizeof(*cfg));
1298		cfg->primaryIndent = strdup("");
1299		cfg->secondaryIndent = strdup("\t");
1300		cfg->flags = GRUB_CONFIG_NO_DEFAULT;
1301		cfg->cfi = cfi;
1302		cfg->theLines = NULL;
1303		cfg->entries = NULL;
1304		cfg->fallbackImage = 0;
1305		cfg->isModified = 0;
1306
1307		/* copy everything we have */
1308		while (*head) {
1309		line = malloc(sizeof(*line));
1310		lineInit(line);
1311
1312		if (getNextLine(&head, line, cfi)) {
1313		free(line);
1314		/* XXX memory leak of everything in cfg */
1315		return NULL;
1316		}
1317
1318	if ((i + 1) != line->numElements) {	if (!sawEntry && line->numElements) {
1319	strcat(buf, line->elements[i].indent);	free(cfg->primaryIndent);
1320	free(line->elements[i].indent);	cfg->primaryIndent = strdup(line->indent);
1321	}	} else if (line->numElements) {
1322	}	free(cfg->secondaryIndent);
1323		cfg->secondaryIndent = strdup(line->indent);
	line->elements[1].indent =
	line->elements[line->numElements - 1].indent;
	line->elements[1].item = buf;
	line->numElements = 2;
	} else if (line->type == LT_MENUENTRY && line->numElements > 3) {
	/* let --remove-kernel="TITLE=what" work */
	len = 0;
	char *extras;
	char *title;
	/* initially unseen value */
	char quote_char = '\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';
	/* 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;
1324	}	}
1325
1326	len = strlen(title);	if (isEntryStart(line, cfi) || (cfg->entries && !sawEntry)) {
1327	if (title[len-1] == quote_char) {	sawEntry = 1;
1328	strncat(buf, title,len-1);	if (!entry) {
1329	break;	cfg->entries = malloc(sizeof(*entry));
1330	} else {	entry = cfg->entries;
1331	strcat(buf, title);	} else {
1332	strcat(buf, line->elements[i].indent);	entry->next = malloc(sizeof(*entry));
1333		entry = entry->next;
1334		}
1335
1336		entry->skip = 0;
1337		entry->multiboot = 0;
1338		entry->lines = NULL;
1339		entry->next = NULL;
1340	}	}
	}
1341
1342	/* get extras */	if (line->type == LT_SET_VARIABLE) {
1343	int count = 0;	dbgPrintf("found 'set' command (%d elements): ",
1344	quote_char = '\0';	line->numElements);
1345	for (int i = 0; i < line->numElements; i++) {	dbgPrintf("%s", line->indent);
1346	if (count >= 2) {	for (int i = 0; i < line->numElements; i++)
1347	strcat(extras, line->elements[i].item);	dbgPrintf("\"%s\"%s", line->elements[i].item,
1348	strcat(extras, line->elements[i].indent);	line->elements[i].indent);
1349	}	dbgPrintf("\n");
1350		struct keywordTypes *kwType =
1351	if (!strcmp(line->elements[i].item, "menuentry"))	getKeywordByType(LT_DEFAULT, cfi);
1352	continue;	if (kwType && line->numElements == 3
1353		&& !strcmp(line->elements[1].item, kwType->key)
1354	/* count ' or ", there should be two in menuentry line. */	&& !is_special_grub2_variable(
1355	if (isquote(*line->elements[i].item) && quote_char == '\0') {	line->elements[2].item)) {
1356	/* ensure we properly pair off quotes */	dbgPrintf("Line sets default config\n");
1357	quote_char = *line->elements[i].item;	cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;
1358	count++;	defaultLine = line;
1359	}	}
1360		} else if (iskernel(line->type)) {
1361	len = strlen(line->elements[i].item);	/* if by some freak chance this is multiboot and the
1362		* "module" lines came earlier in the template, make
1363	if (line->elements[i].item[len -1] == quote_char)	* sure to use LT_HYPER instead of LT_KERNEL now
1364	count++;	*/
1365		if (entry && entry->multiboot)
1366	/* ok, we get the final ' or ", others are extras. */	line->type = LT_HYPER;
	}
	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;
1367
1368	if (sawEntry) {	} else if (line->type == LT_MBMODULE) {
1369	if (!entry->lines)	/* go back and fix the LT_KERNEL line to indicate
1370	entry->lines = line;	* LT_HYPER instead, now that we know this is a
1371	else	* multiboot entry.  This only applies to grub, but
1372	last->next = line;	* that's the only place we should find LT_MBMODULE
1373	dbgPrintf("readConfig added %s to %p\n", getKeyByType(line->type, cfi), entry);	* lines anyway.
1374		*/
1375	/* we could have seen this outside of an entry... if so, we	for (struct singleLine * l = entry->lines; l;
1376	* ignore it like any other line we don't grok */	l = l->next) {
1377	if (line->type == LT_ENTRY_END && sawEntry)	if (l->type == LT_HYPER)
1378	sawEntry = 0;	break;
1379	} else {	else if (iskernel(l->type)) {
1380	if (!cfg->theLines)	l->type = LT_HYPER;
1381	cfg->theLines = line;	break;
1382	else	}
1383	last->next = line;	}
1384	dbgPrintf("readConfig added %s to cfg\n", getKeyByType(line->type, cfi));	entry->multiboot = 1;
	}
1385
1386	last = line;	} else if (line->type == LT_HYPER) {
1387	}	entry->multiboot = 1;
1388
1389	free(incoming);	} else if (line->type == LT_FALLBACK && line->numElements == 2) {
1390		cfg->fallbackImage =
1391		strtol(line->elements[1].item, &end, 10);
1392		if (*end)
1393		cfg->fallbackImage = -1;
1394
1395		} else if ((line->type == LT_DEFAULT && cfi->defaultIsUnquoted)
1396		|| (line->type == LT_TITLE
1397		&& line->numElements > 1)) {
1398		/* make the title/default a single argument (undoing
1399		* our parsing) */
1400		len = 0;
1401		for (int i = 1; i < line->numElements; i++) {
1402		len += strlen(line->elements[i].item);
1403		len += strlen(line->elements[i].indent);
1404		}
1405		buf = malloc(len + 1);
1406		*buf = '\0';
1407
1408	dbgPrintf("defaultLine is %s\n", defaultLine ? "set" : "unset");	for (int i = 1; i < line->numElements; i++) {
1409	if (defaultLine) {	strcat(buf, line->elements[i].item);
1410	if (defaultLine->numElements > 2 &&	free(line->elements[i].item);
1411	cfi->defaultSupportSaved &&
1412	!strncmp(defaultLine->elements[2].item,"\"${saved_entry}\"", 16)) {	if ((i + 1) != line->numElements) {
1413	cfg->cfi->defaultIsSaved = 1;	strcat(buf, line->elements[i].indent);
1414	cfg->defaultImage = DEFAULT_SAVED_GRUB2;	free(line->elements[i].indent);
1415	if (cfg->cfi->getEnv) {	}
	char *defTitle = cfi->getEnv(cfg->cfi, "saved_entry");
	if (defTitle) {
	int index = 0;
	if (isnumber(defTitle)) {
	index = atoi(defTitle);
	entry = findEntryByIndex(cfg, index);
	} else {
	entry = findEntryByTitle(cfg, defTitle, &index);
1416	}	}
	if (entry)
	cfg->defaultImage = index;
	}
	}
	} 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;
	}
1417
1418	if (entry){	line->elements[1].indent =
1419	cfg->defaultImage = i;	line->elements[line->numElements - 1].indent;
1420	}else{	line->elements[1].item = buf;
1421	cfg->defaultImage = -1;	line->numElements = 2;
1422	}	} else if (line->type == LT_MENUENTRY && line->numElements > 3) {
1423	}	/* let --remove-kernel="TITLE=what" work */
1424	} else if (cfg->cfi->defaultIsSaved && cfg->cfi->getEnv) {	len = 0;
1425	char *defTitle = cfi->getEnv(cfg->cfi, "saved_entry");	char *extras;
1426	if (defTitle) {	char *title;
1427	int index = 0;	/* initially unseen value */
1428	if (isnumber(defTitle)) {	char quote_char = '\0';
1429	index = atoi(defTitle);
1430	entry = findEntryByIndex(cfg, index);	for (int i = 1; i < line->numElements; i++) {
1431	} else {	len += strlen(line->elements[i].item);
1432	entry = findEntryByTitle(cfg, defTitle, &index);	len += strlen(line->elements[i].indent);
1433	}	}
1434	if (entry)	buf = malloc(len + 1);
1435	cfg->defaultImage = index;	*buf = '\0';
	}
	} else {
	cfg->defaultImage = 0;
	}
1436
1437	return cfg;	/* allocate mem for extra flags. */
1438	}	extras = malloc(len + 1);
1439		*extras = '\0';
1440
1441		/* get title. */
1442		for (int i = 0; i < line->numElements; i++) {
1443		if (!strcmp
1444		(line->elements[i].item, "menuentry"))
1445		continue;
1446		if (isquote(*line->elements[i].item)
1447		&& quote_char == '\0') {
1448		/* ensure we properly pair off quotes */
1449		quote_char = *line->elements[i].item;
1450		title = line->elements[i].item + 1;
1451		} else {
1452		title = line->elements[i].item;
1453		}
1454
1455	static void writeDefault(FILE * out, char * indent,	len = strlen(title);
1456	char * separator, struct grubConfig * cfg) {	if (title[len - 1] == quote_char) {
1457	struct singleEntry * entry;	strncat(buf, title, len - 1);
1458	struct singleLine * line;	break;
1459	int i;	} else {
1460		strcat(buf, title);
1461	if (!cfg->defaultImage && cfg->flags == GRUB_CONFIG_NO_DEFAULT)	strcat(buf, line->elements[i].indent);
1462	return;	}
1463		}
	if (cfg->defaultImage == DEFAULT_SAVED)
	fprintf(out, "%sdefault%ssaved\n", indent, separator);
	else if (cfg->cfi->defaultIsSaved) {
	fprintf(out, "%sset default=\"${saved_entry}\"\n", indent);
	if (cfg->defaultImage >= 0 && cfg->cfi->setEnv) {
	char *title;
	entry = findEntryByIndex(cfg, cfg->defaultImage);
	line = getLineByType(LT_MENUENTRY, entry->lines);
	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;
1464
1465	entry = cfg->entries;	/* get extras */
1466	while (entry && entry->skip)	int count = 0;
1467	entry = entry->next;	quote_char = '\0';
1468		for (int i = 0; i < line->numElements; i++) {
1469		if (count >= 2) {
1470		strcat(extras, line->elements[i].item);
1471		strcat(extras,
1472		line->elements[i].indent);
1473		}
1474
1475	i = 0;	if (!strcmp
1476	while (entry && i < image) {	(line->elements[i].item, "menuentry"))
1477	entry = entry->next;	continue;
1478
1479		/* count ' or ", there should be two in menuentry line. */
1480		if (isquote(*line->elements[i].item)
1481		&& quote_char == '\0') {
1482		/* ensure we properly pair off quotes */
1483		quote_char = *line->elements[i].item;
1484		count++;
1485		}
1486
1487	while (entry && entry->skip)	len = strlen(line->elements[i].item);
	entry = entry->next;
	i++;
	}
1488
1489	if (!entry)	if (line->elements[i].item[len - 1] ==
1490	return;	quote_char)
1491		count++;
1492
1493	line = getLineByType(LT_TITLE, entry->lines);	/* ok, we get the final ' or ", others are extras. */
1494		}
1495		line->elements[1].indent =
1496		line->elements[line->numElements - 2].indent;
1497		line->elements[1].item = buf;
1498		line->elements[2].indent =
1499		line->elements[line->numElements - 2].indent;
1500		line->elements[2].item = extras;
1501		line->numElements = 3;
1502		} else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) {
1503		/* Strip off any " which may be present; they'll be
1504		* put back on write. This is one of the few (the
1505		* only?) places that grubby canonicalizes the output
1506		*/
1507		if (line->numElements >= 2) {
1508		int last, len;
1509
1510	if (line && line->numElements >= 2)	if (isquote(*line->elements[1].item))
1511	fprintf(out, "%sdefault%s%s\n", indent, separator,	memmove(line->elements[1].item,
1512	line->elements[1].item);	line->elements[1].item + 1,
1513	else if (line && (line->numElements == 1) &&	strlen(line->elements[1].item +
1514	cfg->cfi->titleBracketed) {	1) + 1);
1515	char *title = extractTitle(cfg, line);
1516	if (title) {	last = line->numElements - 1;
1517	fprintf(out, "%sdefault%s%s\n", indent, separator, title);	len = strlen(line->elements[last].item) - 1;
1518	free(title);	if (isquote(line->elements[last].item[len]))
1519		line->elements[last].item[len] = '\0';
1520		}
1521	}	}
	}
	}
	}
	}
	static int writeConfig(struct grubConfig * cfg, char * outName,
	const char * prefix) {
	FILE * out;
	struct singleLine * line;
	struct singleEntry * entry;
	char * tmpOutName;
	int needs = MAIN_DEFAULT;
	struct stat sb;
	int i;
	if (!strcmp(outName, "-")) {
	out = stdout;
	tmpOutName = NULL;
	} else {
	if (!lstat(outName, &sb) && S_ISLNK(sb.st_mode)) {
	char * buf;
	int len = 256;
	int rc;
	/* most likely the symlink is relative, so change our
	directory to the dir of the symlink */
	char *dir = strdupa(outName);
	rc = chdir(dirname(dir));
	do {
	buf = alloca(len + 1);
	rc = readlink(basename(outName), buf, len);
	if (rc == len) len += 256;
	} while (rc == len);
	if (rc < 0) {
	fprintf(stderr, _("grubby: error readlink link %s: %s\n"),
	outName, strerror(errno));
	return 1;
	}
	outName = buf;
	outName[rc] = '\0';
	}
	tmpOutName = alloca(strlen(outName) + 2);
	sprintf(tmpOutName, "%s-", outName);
	out = fopen(tmpOutName, "w");
	if (!out) {
	fprintf(stderr, _("grubby: error creating %s: %s\n"), tmpOutName,
	strerror(errno));
	return 1;
	}
	if (!stat(outName, &sb)) {
	if (chmod(tmpOutName, sb.st_mode & ~(S_IFMT))) {
	fprintf(stderr, _("grubby: error setting perms on %s: %s\n"),
	tmpOutName, strerror(errno));
	fclose(out);
	unlink(tmpOutName);
	return 1;
	}
	}
	}
1522
1523	line = cfg->theLines;	if (line->type == LT_DEFAULT && line->numElements == 2) {
1524	struct keywordTypes *defaultKw = getKeywordByType(LT_DEFAULT, cfg->cfi);	cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;
1525	while (line) {	defaultLine = line;
1526	if (line->type == LT_SET_VARIABLE && defaultKw &&	}
	line->numElements == 3 &&
	!strcmp(line->elements[1].item, defaultKw->key) &&
	!is_special_grub2_variable(line->elements[2].item)) {
	writeDefault(out, line->indent, line->elements[0].indent, cfg);
	needs &= ~MAIN_DEFAULT;
	} else if (line->type == LT_DEFAULT) {
	writeDefault(out, line->indent, line->elements[0].indent, cfg);
	needs &= ~MAIN_DEFAULT;
	} else if (line->type == LT_FALLBACK) {
	if (cfg->fallbackImage > -1)
	fprintf(out, "%s%s%s%d\n", line->indent,
	line->elements[0].item, line->elements[0].indent,
	cfg->fallbackImage);
	} else {
	if (lineWrite(out, line, cfg->cfi) == -1) {
	fprintf(stderr, _("grubby: error writing %s: %s\n"),
	tmpOutName, strerror(errno));
	fclose(out);
	unlink(tmpOutName);
	return 1;
	}
	}
1527
1528	line = line->next;	/* If we find a generic config option which should live at the
1529	}	top of the file, move it there. Old versions of grubby were
1530		probably responsible for putting new images in the wrong
1531		place in front of it anyway. */
1532		if (sawEntry && line->type == LT_GENERIC) {
1533		struct singleLine **l = &cfg->theLines;
1534		struct singleLine **last_nonws = &cfg->theLines;
1535		while (*l) {
1536		if ((*l)->type != LT_WHITESPACE)
1537		last_nonws = &((*l)->next);
1538		l = &((*l)->next);
1539		}
1540		line->next = *last_nonws;
1541		*last_nonws = line;
1542		movedLine = 1;
1543		continue; /* without setting 'last' */
1544		}
1545
1546	if (needs & MAIN_DEFAULT) {	/* If a second line of whitespace happens after a generic
1547	writeDefault(out, cfg->primaryIndent, "=", cfg);	* option which was moved, drop it. */
1548	needs &= ~MAIN_DEFAULT;	if (movedLine && line->type == LT_WHITESPACE
1549	}	&& last->type == LT_WHITESPACE) {
1550		lineFree(line);
1551		free(line);
1552		movedLine = 0;
1553		continue;
1554		}
1555		movedLine = 0;
1556
1557	i = 0;	if (sawEntry) {
1558	while ((entry = findEntryByIndex(cfg, i++))) {	if (!entry->lines)
1559	if (entry->skip) continue;	entry->lines = line;
1560		else
1561		last->next = line;
1562		dbgPrintf("readConfig added %s to %p\n",
1563		getKeyByType(line->type, cfi), entry);
1564
1565	line = entry->lines;	/* we could have seen this outside of an entry... if
1566	while (line) {	* so, we ignore it like any other line we don't grok
1567	if (lineWrite(out, line, cfg->cfi) == -1) {	*/
1568	fprintf(stderr, _("grubby: error writing %s: %s\n"),	if (line->type == LT_ENTRY_END && sawEntry)
1569	tmpOutName, strerror(errno));	sawEntry = 0;
1570	fclose(out);	} else {
1571	unlink(tmpOutName);	if (!cfg->theLines)
1572	return 1;	cfg->theLines = line;
1573	}	else
1574	line = line->next;	last->next = line;
1575	}	dbgPrintf("readConfig added %s to cfg\n",
1576	}	getKeyByType(line->type, cfi));
1577		}
1578
1579	if (tmpOutName) {	last = line;
	if (rename(tmpOutName, outName)) {
	fprintf(stderr, _("grubby: error moving %s to %s: %s\n"),
	tmpOutName, outName, strerror(errno));
	unlink(outName);
	return 1;
1580	}	}
	}
1581
1582	return 0;	free(incoming);
	}
1583
1584	static int numEntries(struct grubConfig *cfg) {	dbgPrintf("defaultLine is %s\n", defaultLine ? "set" : "unset");
1585	int i = 0;	if (defaultLine) {
1586	struct singleEntry * entry;	if (defaultLine->numElements > 2 &&
1587		cfi->defaultSupportSaved &&
1588	entry = cfg->entries;	!strncmp(defaultLine->elements[2].item,
1589	while (entry) {	"\"${saved_entry}\"", 16)) {
1590	if (!entry->skip)	cfg->cfi->defaultIsSaved = 1;
1591	i++;	cfg->defaultImage = DEFAULT_SAVED_GRUB2;
1592	entry = entry->next;	if (cfg->cfi->getEnv) {
1593	}	char *defTitle =
1594	return i;	cfi->getEnv(cfg->cfi, "saved_entry");
1595	}	if (defTitle) {
1596		int index = 0;
1597		if (isnumber(defTitle)) {
1598		index = atoi(defTitle);
1599		entry =
1600		findEntryByIndex(cfg,
1601		index);
1602		} else {
1603		entry =
1604		findEntryByTitle(cfg,
1605		defTitle,
1606		&index);
1607		}
1608		if (entry)
1609		cfg->defaultImage = index;
1610		}
1611		}
1612		} else if (cfi->defaultIsVariable) {
1613		if (defaultLine->numElements == 2) {
1614		char *value = defaultLine->elements[1].item + 8;
1615		while (*value && (*value == '"' ||
1616		*value == '\'' ||
1617		*value == ' ' ||
1618		*value == '\t'))
1619		value++;
1620		cfg->defaultImage = strtol(value, &end, 10);
1621		while (*end && (*end == '"' || *end == '\'' ||
1622		*end == ' ' || *end == '\t'))
1623		end++;
1624		if (*end)
1625		cfg->defaultImage = NO_DEFAULT_ENTRY;
1626		} else if (defaultLine->numElements == 3) {
1627		char *value = defaultLine->elements[2].item;
1628		while (*value && (*value == '"' ||
1629		*value == '\'' ||
1630		*value == ' ' ||
1631		*value == '\t'))
1632		value++;
1633		cfg->defaultImage = strtol(value, &end, 10);
1634		while (*end && (*end == '"' || *end == '\'' ||
1635		*end == ' ' || *end == '\t'))
1636		end++;
1637		if (*end)
1638		cfg->defaultImage = NO_DEFAULT_ENTRY;
1639		}
1640		} else if (cfi->defaultSupportSaved &&
1641		!strncmp(defaultLine->elements[1].item, "saved",
1642		5)) {
1643		cfg->defaultImage = DEFAULT_SAVED;
1644		} else if (cfi->defaultIsIndex) {
1645		cfg->defaultImage =
1646		strtol(defaultLine->elements[1].item, &end, 10);
1647		if (*end)
1648		cfg->defaultImage = NO_DEFAULT_ENTRY;
1649		} else if (defaultLine->numElements >= 2) {
1650		int i = 0;
1651		while ((entry = findEntryByIndex(cfg, i))) {
1652		for (line = entry->lines; line;
1653		line = line->next)
1654		if (line->type == LT_TITLE)
1655		break;
1656
1657		if (!cfi->titleBracketed) {
1658		if (line && (line->numElements >= 2) &&
1659		!strcmp(defaultLine->elements[1].
1660		item,
1661		line->elements[1].item))
1662		break;
1663		} else if (line) {
1664		if (!strcmp
1665		(defaultLine->elements[1].item,
1666		extractTitle(cfg, line)))
1667		break;
1668		}
1669		i++;
1670		entry = NULL;
1671		}
1672
1673		if (entry) {
1674		cfg->defaultImage = i;
1675		} else {
1676		cfg->defaultImage = NO_DEFAULT_ENTRY;
1677		}
1678		}
1679		} else if (cfg->cfi->defaultIsSaved && cfg->cfi->getEnv) {
1680		char *defTitle = cfi->getEnv(cfg->cfi, "saved_entry");
1681		if (defTitle) {
1682		int index = 0;
1683		if (isnumber(defTitle)) {
1684		index = atoi(defTitle);
1685		entry = findEntryByIndex(cfg, index);
1686		} else {
1687		entry = findEntryByTitle(cfg, defTitle, &index);
1688		}
1689		if (entry)
1690		cfg->defaultImage = index;
1691		}
1692		} else {
1693		cfg->defaultImage = FIRST_ENTRY_INDEX;
1694		}
1695
1696		return cfg;
1697		}
1698
1699		static void writeDefault(FILE * out, char *indent,
1700		char *separator, struct grubConfig *cfg)
1701		{
1702		struct singleEntry *entry;
1703		struct singleLine *line;
1704		int i;
1705
1706		if (!cfg->defaultImage && cfg->flags == GRUB_CONFIG_NO_DEFAULT)
1707		return;
1708
1709		if (cfg->defaultImage == DEFAULT_SAVED)
1710		fprintf(out, "%sdefault%ssaved\n", indent, separator);
1711		else if (cfg->cfi->defaultIsSaved) {
1712		fprintf(out, "%sset default=\"${saved_entry}\"\n", indent);
1713		if (cfg->defaultImage >= FIRST_ENTRY_INDEX && cfg->cfi->setEnv) {
1714		char *title;
1715		int trueIndex, currentIndex;
1716
1717		trueIndex = 0;
1718		currentIndex = 0;
1719
1720		while ((entry = findEntryByIndex(cfg, currentIndex))) {
1721		if (!entry->skip) {
1722		if (trueIndex == cfg->defaultImage) {
1723		break;
1724		}
1725		trueIndex++;
1726		}
1727		currentIndex++;
1728		}
1729		line = getLineByType(LT_MENUENTRY, entry->lines);
1730		if (!line)
1731		line = getLineByType(LT_TITLE, entry->lines);
1732		if (line) {
1733		title = extractTitle(cfg, line);
1734		if (title)
1735		cfg->cfi->setEnv(cfg->cfi,
1736		"saved_entry", title);
1737		}
1738		}
1739		} else if (cfg->defaultImage >= FIRST_ENTRY_INDEX) {
1740		if (cfg->cfi->defaultIsIndex) {
1741		if (cfg->cfi->defaultIsVariable) {
1742		fprintf(out, "%sset default=\"%d\"\n", indent,
1743		cfg->defaultImage);
1744		} else {
1745		fprintf(out, "%sdefault%s%d\n", indent,
1746		separator, cfg->defaultImage);
1747		}
1748		} else {
1749		int image = cfg->defaultImage;
1750
1751		entry = cfg->entries;
1752		while (entry && entry->skip)
1753		entry = entry->next;
1754
1755		i = 0;
1756		while (entry && i < image) {
1757		entry = entry->next;
1758
1759		while (entry && entry->skip)
1760		entry = entry->next;
1761		i++;
1762		}
1763
1764		if (!entry)
1765		return;
1766
1767		line = getLineByType(LT_TITLE, entry->lines);
1768
1769		if (line && line->numElements >= 2)
1770		fprintf(out, "%sdefault%s%s\n", indent,
1771		separator, line->elements[1].item);
1772		else if (line && (line->numElements == 1)
1773		&& cfg->cfi->titleBracketed) {
1774		char *title = extractTitle(cfg, line);
1775		if (title) {
1776		fprintf(out, "%sdefault%s%s\n", indent,
1777		separator, title);
1778		free(title);
1779		}
1780		}
1781		}
1782		}
1783		}
1784
1785		static int writeConfig(struct grubConfig *cfg, char *outName,
1786		const char *prefix)
1787		{
1788		FILE *out;
1789		struct singleLine *line;
1790		struct singleEntry *entry;
1791		char *tmpOutName;
1792		int needs = MAIN_DEFAULT;
1793		struct stat sb;
1794		int i;
1795
1796		if (!strcmp(outName, "-")) {
1797		out = stdout;
1798		tmpOutName = NULL;
1799		} else {
1800		if (!lstat(outName, &sb) && S_ISLNK(sb.st_mode)) {
1801		char *buf;
1802		int len = 256;
1803		int rc;
1804
1805		/* most likely the symlink is relative, so change our
1806		directory to the dir of the symlink */
1807		char *dir = strdupa(outName);
1808		rc = chdir(dirname(dir));
1809		do {
1810		buf = alloca(len + 1);
1811		rc = readlink(basename(outName), buf, len);
1812		if (rc == len)
1813		len += 256;
1814		} while (rc == len);
1815
1816		if (rc < 0) {
1817		fprintf(stderr,
1818		_
1819		("grubby: error readlink link %s: %s\n"),
1820		outName, strerror(errno));
1821		return 1;
1822		}
1823
1824		outName = buf;
1825		outName[rc] = '\0';
1826		}
1827
1828		tmpOutName = alloca(strlen(outName) + 2);
1829		sprintf(tmpOutName, "%s-", outName);
1830		out = fopen(tmpOutName, "w");
1831		if (!out) {
1832		fprintf(stderr, _("grubby: error creating %s: %s\n"),
1833		tmpOutName, strerror(errno));
1834		return 1;
1835		}
1836
1837		if (!stat(outName, &sb)) {
1838		if (chmod(tmpOutName, sb.st_mode & ~(S_IFMT))) {
1839		fprintf(stderr,
1840		_
1841		("grubby: error setting perms on %s: %s\n"),
1842		tmpOutName, strerror(errno));
1843		fclose(out);
1844		unlink(tmpOutName);
1845		return 1;
1846		}
1847		}
1848		}
1849
1850		line = cfg->theLines;
1851		struct keywordTypes *defaultKw = getKeywordByType(LT_DEFAULT, cfg->cfi);
1852		while (line) {
1853		if (line->type == LT_SET_VARIABLE && defaultKw &&
1854		line->numElements == 3 &&
1855		!strcmp(line->elements[1].item, defaultKw->key) &&
1856		!is_special_grub2_variable(line->elements[2].item)) {
1857		writeDefault(out, line->indent,
1858		line->elements[0].indent, cfg);
1859		needs &= ~MAIN_DEFAULT;
1860		} else if (line->type == LT_DEFAULT) {
1861		writeDefault(out, line->indent,
1862		line->elements[0].indent, cfg);
1863		needs &= ~MAIN_DEFAULT;
1864		} else if (line->type == LT_FALLBACK) {
1865		if (cfg->fallbackImage > -1)
1866		fprintf(out, "%s%s%s%d\n", line->indent,
1867		line->elements[0].item,
1868		line->elements[0].indent,
1869		cfg->fallbackImage);
1870		} else {
1871		if (lineWrite(out, line, cfg->cfi) == -1) {
1872		fprintf(stderr,
1873		_("grubby: error writing %s: %s\n"),
1874		tmpOutName, strerror(errno));
1875		fclose(out);
1876		unlink(tmpOutName);
1877		return 1;
1878		}
1879		}
1880
1881		line = line->next;
1882		}
1883
1884		if (needs & MAIN_DEFAULT) {
1885		writeDefault(out, cfg->primaryIndent, "=", cfg);
1886		needs &= ~MAIN_DEFAULT;
1887		}
1888
1889		i = 0;
1890		while ((entry = findEntryByIndex(cfg, i++))) {
1891		if (entry->skip)
1892		continue;
1893
1894		line = entry->lines;
1895		while (line) {
1896		if (lineWrite(out, line, cfg->cfi) == -1) {
1897		fprintf(stderr,
1898		_("grubby: error writing %s: %s\n"),
1899		tmpOutName, strerror(errno));
1900		fclose(out);
1901		unlink(tmpOutName);
1902		return 1;
1903		}
1904		line = line->next;
1905		}
1906		}
1907
1908		if (tmpOutName) {
1909		if (rename(tmpOutName, outName)) {
1910		fprintf(stderr,
1911		_("grubby: error moving %s to %s: %s\n"),
1912		tmpOutName, outName, strerror(errno));
1913		unlink(outName);
1914		return 1;
1915		}
1916		}
1917
1918		return 0;
1919		}
1920
1921		static int numEntries(struct grubConfig *cfg)
1922		{
1923		int i = 0;
1924		struct singleEntry *entry;
1925
1926		entry = cfg->entries;
1927		while (entry) {
1928		if (!entry->skip)
1929		i++;
1930		entry = entry->next;
1931		}
1932		return i;
1933		}
1934
1935	static char *findDiskForRoot()	static char *findDiskForRoot()
1936	{	{
1937	int fd;	int fd;
1938	char buf[65536];	char buf[65536];
1939	char *devname;	char *devname;
1940	char *chptr;	char *chptr;
1941	int rc;	int rc;
1942
1943		if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) {
1944		fprintf(stderr, "grubby: failed to open %s: %s\n",
1945		_PATH_MOUNTED, strerror(errno));
1946		return NULL;
1947		}
1948
1949		rc = read(fd, buf, sizeof(buf) - 1);
1950		if (rc <= 0) {
1951		fprintf(stderr, "grubby: failed to read %s: %s\n",
1952		_PATH_MOUNTED, strerror(errno));
1953		close(fd);
1954		return NULL;
1955		}
1956		close(fd);
1957		buf[rc] = '\0';
1958		chptr = buf;
1959
1960	if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) {	char *foundanswer = NULL;
	fprintf(stderr, "grubby: failed to open %s: %s\n",
	_PATH_MOUNTED, strerror(errno));
	return NULL;
	}
1961
1962	rc = read(fd, buf, sizeof(buf) - 1);	while (chptr && chptr != buf + rc) {
1963	if (rc <= 0) {	devname = chptr;
	fprintf(stderr, "grubby: failed to read %s: %s\n",
	_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++;
	}
1964
1965	/* Return the last / entry found */	/*
1966	if (foundanswer) {	* The first column of a mtab entry is the device, but if the
1967	chptr = strchr(foundanswer, ' ');	* entry is a special device it won't start with /, so move
1968	*chptr = '\0';	* on to the next line.
1969	return strdup(foundanswer);	*/
1970	}	if (*devname != '/') {
1971		chptr = strchr(chptr, '\n');
1972		if (chptr)
1973		chptr++;
1974		continue;
1975		}
1976
1977	return NULL;	/* Seek to the next space */
1978		chptr = strchr(chptr, ' ');
1979		if (!chptr) {
1980		fprintf(stderr, "grubby: error parsing %s: %s\n",
1981		_PATH_MOUNTED, strerror(errno));
1982		return NULL;
1983		}
1984
1985		/*
1986		* The second column of a mtab entry is the mount point, we
1987		* are looking for '/' obviously.
1988		*/
1989		if (*(++chptr) == '/' && *(++chptr) == ' ') {
1990		/* remember the last / entry in mtab */
1991		foundanswer = devname;
1992		}
1993
1994		/* Next line */
1995		chptr = strchr(chptr, '\n');
1996		if (chptr)
1997		chptr++;
1998		}
1999
2000		/* Return the last / entry found */
2001		if (foundanswer) {
2002		chptr = strchr(foundanswer, ' ');
2003		*chptr = '\0';
2004		return strdup(foundanswer);
2005		}
2006
2007		return NULL;
2008	}	}
2009
2010	void printEntry(struct singleEntry * entry, FILE *f) {	void printEntry(struct singleEntry *entry, FILE * f)
2011	int i;	{
2012	struct singleLine * line;	int i;
2013		struct singleLine *line;
2014
2015	for (line = entry->lines; line; line = line->next) {	for (line = entry->lines; line; line = line->next) {
2016	log_message(f, "DBG: %s", line->indent);	log_message(f, "DBG: %s", line->indent);
2017	for (i = 0; i < line->numElements; i++) {	for (i = 0; i < line->numElements; i++) {
2018	/* Need to handle this, because we strip the quotes from	/* Need to handle this, because we strip the quotes from
2019	* menuentry when read it. */	* menuentry when read it. */
2020	if (line->type == LT_MENUENTRY && i == 1) {	if (line->type == LT_MENUENTRY && i == 1) {
2021	if(!isquote(*line->elements[i].item))	if (!isquote(*line->elements[i].item))
2022	log_message(f, "\'%s\'", line->elements[i].item);	log_message(f, "\'%s\'",
2023	else	line->elements[i].item);
2024	log_message(f, "%s", line->elements[i].item);	else
2025	log_message(f, "%s", line->elements[i].indent);	log_message(f, "%s",
2026		line->elements[i].item);
2027	continue;	log_message(f, "%s", line->elements[i].indent);
2028	}
2029		continue;
2030	log_message(f, "%s%s",	}
2031	line->elements[i].item, line->elements[i].indent);
2032		log_message(f, "%s%s",
2033		line->elements[i].item,
2034		line->elements[i].indent);
2035		}
2036		log_message(f, "\n");
2037	}	}
	log_message(f, "\n");
	}
2038	}	}
2039
2040	void notSuitablePrintf(struct singleEntry * entry, int okay, const char *fmt, ...)	void notSuitablePrintf(struct singleEntry *entry, int okay, const char *fmt,
2041		...)
2042	{	{
2043	static int once;	static int once;
2044	va_list argp, argq;	va_list argp, argq;
2045
2046	va_start(argp, fmt);	va_start(argp, fmt);
2047
2048	va_copy(argq, argp);	va_copy(argq, argp);
2049	if (!once) {	if (!once) {
2050	log_time(NULL);	log_time(NULL);
2051	log_message(NULL, "command line: %s\n", saved_command_line);	log_message(NULL, "command line: %s\n", saved_command_line);
2052	}	}
2053	log_message(NULL, "DBG: Image entry %s: ", okay ? "succeeded" : "failed");	log_message(NULL, "DBG: Image entry %s: ",
2054	log_vmessage(NULL, fmt, argq);	okay ? "succeeded" : "failed");
2055		log_vmessage(NULL, fmt, argq);
2056	printEntry(entry, NULL);
2057	va_end(argq);	printEntry(entry, NULL);
2058		va_end(argq);
2059
2060		if (!debug) {
2061		once = 1;
2062		va_end(argp);
2063		return;
2064		}
2065
2066	if (!debug) {	if (okay) {
2067	once = 1;	va_end(argp);
2068	va_end(argp);	return;
2069	return;	}
	}
2070
2071	if (okay) {	if (!once)
2072		log_message(stderr, "DBG: command line: %s\n",
2073		saved_command_line);
2074		once = 1;
2075		fprintf(stderr, "DBG: Image entry failed: ");
2076		vfprintf(stderr, fmt, argp);
2077		printEntry(entry, stderr);
2078	va_end(argp);	va_end(argp);
	return;
	}
	if (!once)
	log_message(stderr, "DBG: command line: %s\n", saved_command_line);
	once = 1;
	fprintf(stderr, "DBG: Image entry failed: ");
	vfprintf(stderr, fmt, argp);
	printEntry(entry, stderr);
	va_end(argp);
2079	}	}
2080
2081	#define beginswith(s, c) ((s) && (s)[0] == (c))	#define beginswith(s, c) ((s) && (s)[0] == (c))
#	Line 1868  static int endswith(const char *s, char	Line 2091  static int endswith(const char *s, char
2091	return s[slen] == c;	return s[slen] == c;
2092	}	}
2093
2094	int suitableImage(struct singleEntry * entry, const char * bootPrefix,	int suitableImage(struct singleEntry *entry, const char *bootPrefix,
2095	int skipRemoved, int flags) {	int skipRemoved, int flags)
2096	struct singleLine * line;	{
2097	char * fullName;	struct singleLine *line;
2098	int i;	char *fullName;
2099	char * dev;	int i;
2100	char * rootspec;	char *dev;
2101	char * rootdev;	char *rootspec;
2102		char *rootdev;
	if (skipRemoved && entry->skip) {
	notSuitablePrintf(entry, 0, "marked to skip\n");
	return 0;
	}
2103
2104	line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);	if (skipRemoved && entry->skip) {
2105	if (!line) {	notSuitablePrintf(entry, 0, "marked to skip\n");
2106	notSuitablePrintf(entry, 0, "no line found\n");	return 0;
2107	return 0;	}
	}
	if (line->numElements < 2) {
	notSuitablePrintf(entry, 0, "line has only %d elements\n",
	line->numElements);
	return 0;
	}
2108
2109	if (flags & GRUBBY_BADIMAGE_OKAY) {	line =
2110	notSuitablePrintf(entry, 1, "\n");	getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI | LT_KERNEL_16,
2111	return 1;	entry->lines);
2112	}	if (!line) {
2113		notSuitablePrintf(entry, 0, "no line found\n");
2114		return 0;
2115		}
2116		if (line->numElements < 2) {
2117		notSuitablePrintf(entry, 0, "line has only %d elements\n",
2118		line->numElements);
2119		return 0;
2120		}
2121
2122	fullName = alloca(strlen(bootPrefix) +	if (flags & GRUBBY_BADIMAGE_OKAY) {
2123	strlen(line->elements[1].item) + 1);	notSuitablePrintf(entry, 1, "\n");
2124	rootspec = getRootSpecifier(line->elements[1].item);	return 1;
2125	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);
2126
2127	if (line && line->numElements >= 2) {	fullName = alloca(strlen(bootPrefix) +
2128	dev = line->elements[1].item;	strlen(line->elements[1].item) + 1);
2129		rootspec = getRootSpecifier(line->elements[1].item);
2130		int rootspec_offset = rootspec ? strlen(rootspec) : 0;
2131		int hasslash = endswith(bootPrefix, '/') ||
2132		beginswith(line->elements[1].item + rootspec_offset, '/');
2133		sprintf(fullName, "%s%s%s", bootPrefix, hasslash ? "" : "/",
2134		line->elements[1].item + rootspec_offset);
2135		if (access(fullName, R_OK)) {
2136		notSuitablePrintf(entry, 0, "access to %s failed\n", fullName);
2137		return 0;
2138		}
2139		for (i = 2; i < line->numElements; i++)
2140		if (!strncasecmp(line->elements[i].item, "root=", 5))
2141		break;
2142		if (i < line->numElements) {
2143		dev = line->elements[i].item + 5;
2144	} else {	} else {
2145	/* didn't succeed in finding a LT_ROOT, let's try LT_KERNELARGS.	/* look for a lilo style LT_ROOT line */
2146	* 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);
2147
2148	/* failed to find one */	if (line && line->numElements >= 2) {
2149	if (!line) {	dev = line->elements[1].item;
2150	notSuitablePrintf(entry, 0, "no line found\n");	} else {
2151	return 0;	/* didn't succeed in finding a LT_ROOT, let's try
2152	}	* LT_KERNELARGS.  grub+multiboot uses LT_MBMODULE
2153		* for the args, so check that too.
2154		*/
2155		line =
2156		getLineByType(LT_KERNELARGS | LT_MBMODULE,
2157		entry->lines);
2158
2159		/* failed to find one */
2160		if (!line) {
2161		notSuitablePrintf(entry, 0, "no line found\n");
2162		return 0;
2163		}
2164
2165	for (i = 1; i < line->numElements; i++)	for (i = 1; i < line->numElements; i++)
2166	if (!strncasecmp(line->elements[i].item, "root=", 5)) break;	if (!strncasecmp
2167	if (i < line->numElements)	(line->elements[i].item, "root=", 5))
2168	dev = line->elements[i].item + 5;	break;
2169	else {	if (i < line->numElements)
2170	notSuitablePrintf(entry, 0, "no root= entry found\n");	dev = line->elements[i].item + 5;
2171	/* it failed too...  can't find root= */	else {
2172	return 0;	notSuitablePrintf(entry, 0,
2173	}	"no root= entry found\n");
2174		/* it failed too...  can't find root= */
2175		return 0;
2176		}
2177		}
2178	}	}
	}
2179
	dev = getpathbyspec(dev);
	if (!getpathbyspec(dev)) {
	notSuitablePrintf(entry, 0, "can't find blkid entry for %s\n", dev);
	return 0;
	} else
2180	dev = getpathbyspec(dev);	dev = getpathbyspec(dev);
2181		if (!getpathbyspec(dev)) {
2182		notSuitablePrintf(entry, 0, "can't find blkid entry for %s\n",
2183		dev);
2184		return 0;
2185		} else
2186		dev = getpathbyspec(dev);
2187
2188	rootdev = findDiskForRoot();	rootdev = findDiskForRoot();
2189	if (!rootdev) {	if (!rootdev) {
2190	notSuitablePrintf(entry, 0, "can't find root device\n");	notSuitablePrintf(entry, 0, "can't find root device\n");
2191	return 0;	return 0;
2192	}	}
2193
2194	if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) {	if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) {
2195	notSuitablePrintf(entry, 0, "uuid missing: rootdev %s, dev %s\n",	notSuitablePrintf(entry, 0,
2196	getuuidbydev(rootdev), getuuidbydev(dev));	"uuid missing: rootdev %s, dev %s\n",
2197	free(rootdev);	getuuidbydev(rootdev), getuuidbydev(dev));
2198	return 0;	free(rootdev);
2199	}	return 0;
2200		}
2201
2202	if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) {	if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) {
2203	notSuitablePrintf(entry, 0, "uuid mismatch: rootdev %s, dev %s\n",	notSuitablePrintf(entry, 0,
2204	getuuidbydev(rootdev), getuuidbydev(dev));	"uuid mismatch: rootdev %s, dev %s\n",
2205	free(rootdev);	getuuidbydev(rootdev), getuuidbydev(dev));
2206	return 0;	free(rootdev);
2207	}	return 0;
2208		}
2209
2210	free(rootdev);	free(rootdev);
2211	notSuitablePrintf(entry, 1, "\n");	notSuitablePrintf(entry, 1, "\n");
2212
2213	return 1;	return 1;
2214	}	}
2215
2216	/* 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
2217	is not NULL) which is not marked as skip */	is not NULL) which is not marked as skip */
2218	struct singleEntry * findEntryByPath(struct grubConfig * config,	struct singleEntry *findEntryByPath(struct grubConfig *config,
2219	const char * kernel, const char * prefix,	const char *kernel, const char *prefix,
2220	int * index) {	int *index)
2221	struct singleEntry * entry = NULL;	{
2222	struct singleLine * line;	struct singleEntry *entry = NULL;
2223	int i;	struct singleLine *line;
2224	char * chptr;	int i;
2225	char * rootspec = NULL;	char *chptr;
2226	enum lineType_e checkType = LT_KERNEL;	char *rootspec = NULL;
2227		enum lineType_e checkType = LT_KERNEL;
2228
2229		if (isdigit(*kernel)) {
2230		int *indexVars = alloca(sizeof(*indexVars) * strlen(kernel));
2231
2232		i = 0;
2233		indexVars[i] = strtol(kernel, &chptr, 10);
2234		while (*chptr == ',') {
2235		i++;
2236		kernel = chptr + 1;
2237		indexVars[i] = strtol(kernel, &chptr, 10);
2238		}
2239
2240	if (isdigit(*kernel)) {	if (*chptr) {
2241	int * indexVars = alloca(sizeof(*indexVars) * strlen(kernel));	/* can't parse it, bail */
2242		return NULL;
2243		}
2244
2245	i = 0;	indexVars[i + 1] = -1;
	indexVars[i] = strtol(kernel, &chptr, 10);
	while (*chptr == ',') {
	i++;
	kernel = chptr + 1;
	indexVars[i] = strtol(kernel, &chptr, 10);
	}
2246
2247	if (*chptr) {	i = 0;
2248	/* can't parse it, bail */	if (index) {
2249	return NULL;	while (i < *index) {
2250	}	i++;
2251		if (indexVars[i] == -1)
2252		return NULL;
2253		}
2254		}
2255
2256	indexVars[i + 1] = -1;	entry = findEntryByIndex(config, indexVars[i]);
2257		if (!entry)
2258		return NULL;
2259
2260		line =
2261		getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI |
2262		LT_KERNEL_16, entry->lines);
2263		if (!line)
2264		return NULL;
2265
2266	i = 0;	if (index)
2267	if (index) {	*index = indexVars[i];
2268	while (i < *index) {	return entry;
	i++;
	if (indexVars[i] == -1) return NULL;
	}
2269	}	}
2270
2271	entry = findEntryByIndex(config, indexVars[i]);	if (!strcmp(kernel, "DEFAULT")) {
2272	if (!entry) return NULL;	if (index && *index > config->defaultImage) {
2273		entry = NULL;
2274		} else {
2275		entry = findEntryByIndex(config, config->defaultImage);
2276		if (entry && entry->skip)
2277		entry = NULL;
2278		else if (index)
2279		*index = config->defaultImage;
2280		}
2281		} else if (!strcmp(kernel, "ALL")) {
2282		if (index)
2283		i = *index;
2284		else
2285		i = 0;
2286
2287	line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);	while ((entry = findEntryByIndex(config, i))) {
2288	if (!line) return NULL;	if (!entry->skip)
2289		break;
2290		i++;
2291		}
2292
2293	if (index) *index = indexVars[i];	if (entry && index)
2294	return entry;	*index = i;
	}
	if (!strcmp(kernel, "DEFAULT")) {
	if (index && *index > config->defaultImage) {
	entry = NULL;
2295	} else {	} else {
2296	entry = findEntryByIndex(config, config->defaultImage);	if (index)
2297	if (entry && entry->skip)	i = *index;
2298	entry = NULL;	else
2299	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++;
	}
2300
2301	if (entry && index)	if (!strncmp(kernel, "TITLE=", 6)) {
2302	*index = i;	prefix = "";
2303	} else {	checkType = LT_TITLE | LT_MENUENTRY;
2304	if (index)	kernel += 6;
2305	i = *index;	}
	else
	i = 0;
2306
2307	if (!strncmp(kernel, "TITLE=", 6)) {	for (entry = findEntryByIndex(config, i); entry;
2308	prefix = "";	entry = entry->next, i++) {
2309	checkType = LT_TITLE|LT_MENUENTRY;	if (entry->skip)
2310	kernel += 6;	continue;
2311	}
2312		dbgPrintf("findEntryByPath looking for %d %s in %p\n",
2313	for (entry = findEntryByIndex(config, i); entry; entry = entry->next, i++) {	checkType, kernel, entry);
2314	if (entry->skip) continue;
2315		/* check all the lines matching checkType */
2316	dbgPrintf("findEntryByPath looking for %d %s in %p\n", checkType, kernel, entry);	for (line = entry->lines; line; line = line->next) {
2317		enum lineType_e ct = checkType;
2318	/* check all the lines matching checkType */	if (entry->multiboot && checkType == LT_KERNEL)
2319	for (line = entry->lines; line; line = line->next) {	ct = LT_KERNEL | LT_KERNEL_EFI |
2320	enum lineType_e ct = checkType;	LT_MBMODULE | LT_HYPER |
2321	if (entry->multiboot && checkType == LT_KERNEL)	LT_KERNEL_16;
2322	ct = LT_KERNEL|LT_KERNEL_EFI|LT_MBMODULE|LT_HYPER|LT_KERNEL_16;	else if (checkType & LT_KERNEL)
2323	else if (checkType & LT_KERNEL)	ct = checkType | LT_KERNEL_EFI |
2324	ct = checkType | LT_KERNEL_EFI | LT_KERNEL_16;	LT_KERNEL_16;
2325	line = getLineByType(ct, line);	line = getLineByType(ct, line);
2326	if (!line)	if (!line)
2327	break;  /* not found in this entry */	break; /* not found in this entry */
2328
2329		if (line && line->type != LT_MENUENTRY &&
2330		line->numElements >= 2) {
2331		rootspec =
2332		getRootSpecifier(line->elements[1].
2333		item);
2334		if (!strcmp
2335		(line->elements[1].item +
2336		((rootspec !=
2337		NULL) ? strlen(rootspec) : 0),
2338		kernel + strlen(prefix)))
2339		break;
2340		}
2341		if (line->type == LT_MENUENTRY &&
2342		!strcmp(line->elements[1].item, kernel))
2343		break;
2344		}
2345
2346	if (line && line->type != LT_MENUENTRY &&	/* make sure this entry has a kernel identifier; this skips
2347	line->numElements >= 2) {	* non-Linux boot entries (could find netbsd etc, though, which is
2348	rootspec = getRootSpecifier(line->elements[1].item);	* unfortunate)
2349	if (!strcmp(line->elements[1].item +	*/
2350	((rootspec != NULL) ? strlen(rootspec) : 0),	if (line
2351	kernel + strlen(prefix)))	&& getLineByType(LT_KERNEL | LT_HYPER |
2352	break;	LT_KERNEL_EFI | LT_KERNEL_16,
2353		entry->lines))
2354		break; /* found 'im! */
2355	}	}
	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! */
	}
2356
2357	if (index) *index = i;	if (index)
2358	}	*index = i;
2359		}
2360
2361	return entry;	return entry;
2362	}	}
2363
2364	struct singleEntry * findEntryByTitle(struct grubConfig * cfg, char *title,	struct singleEntry *findEntryByTitle(struct grubConfig *cfg, char *title,
2365	int * index) {	int *index)
2366	struct singleEntry * entry;	{
2367	struct singleLine * line;	struct singleEntry *entry;
2368	int i;	struct singleLine *line;
2369	char * newtitle;	int i;
2370		char *newtitle;
2371	for (i = 0, entry = cfg->entries; entry; entry = entry->next, i++) {
2372	if (index && i < *index)	for (i = 0, entry = cfg->entries; entry; entry = entry->next, i++) {
2373	continue;	if (index && i < *index)
2374	line = getLineByType(LT_TITLE, entry->lines);	continue;
2375	if (!line)	line = getLineByType(LT_TITLE, entry->lines);
2376	line = getLineByType(LT_MENUENTRY, entry->lines);	if (!line)
2377	if (!line)	line = getLineByType(LT_MENUENTRY, entry->lines);
2378	continue;	if (!line)
2379	newtitle = grub2ExtractTitle(line);	continue;
2380	if (!newtitle)	newtitle = grub2ExtractTitle(line);
2381	continue;	if (!newtitle)
2382	if (!strcmp(title, newtitle))	continue;
2383	break;	if (!strcmp(title, newtitle))
2384	}	break;
2385		}
2386
2387	if (!entry)	if (!entry)
2388	return NULL;	return NULL;
2389
2390	if (index)	if (index)
2391	*index = i;	*index = i;
2392	return entry;	return entry;
2393	}	}
2394
2395	struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index) {	struct singleEntry *findEntryByIndex(struct grubConfig *cfg, int index)
2396	struct singleEntry * entry;	{
2397		struct singleEntry *entry;
2398	entry = cfg->entries;
2399	while (index && entry) {	entry = cfg->entries;
2400	entry = entry->next;	while (index && entry) {
2401	index--;	entry = entry->next;
2402	}	index--;
2403		}
2404
2405	return entry;	return entry;
2406	}	}
2407
2408	/* 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 2150  struct singleEntry * findEntryByIndex(st	Line 2410  struct singleEntry * findEntryByIndex(st
2410	* is going to be removed). Try and use the default entry, but	* is going to be removed). Try and use the default entry, but
2411	* 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,
2412	* bail. */	* bail. */
2413	struct singleEntry * findTemplate(struct grubConfig * cfg, const char * prefix,	struct singleEntry *findTemplate(struct grubConfig *cfg, const char *prefix,
2414	int * indexPtr, int skipRemoved, int flags) {	int *indexPtr, int skipRemoved, int flags)
2415	struct singleEntry * entry, * entry2;	{
2416	int index;	struct singleEntry *entry, *entry2;
2417		int index;
2418	if (cfg->cfi->defaultIsSaved) {
2419	if (cfg->cfi->getEnv) {	if (cfg->cfi->defaultIsSaved) {
2420	char *defTitle = cfg->cfi->getEnv(cfg->cfi, "saved_entry");	if (cfg->cfi->getEnv) {
2421	if (defTitle) {	char *defTitle =
2422	int index = 0;	cfg->cfi->getEnv(cfg->cfi, "saved_entry");
2423	if (isnumber(defTitle)) {	if (defTitle) {
2424	index = atoi(defTitle);	int index = 0;
2425	entry = findEntryByIndex(cfg, index);	if (isnumber(defTitle)) {
2426	} else {	index = atoi(defTitle);
2427	entry = findEntryByTitle(cfg, defTitle, &index);	entry = findEntryByIndex(cfg, index);
2428		} else {
2429		entry =
2430		findEntryByTitle(cfg, defTitle,
2431		&index);
2432		}
2433		if (entry
2434		&& suitableImage(entry, prefix, skipRemoved,
2435		flags)) {
2436		cfg->defaultImage = index;
2437		if (indexPtr)
2438		*indexPtr = index;
2439		return entry;
2440		}
2441		}
2442	}	}
2443		} else if (cfg->defaultImage >= FIRST_ENTRY_INDEX) {
2444		entry = findEntryByIndex(cfg, cfg->defaultImage);
2445	if (entry && suitableImage(entry, prefix, skipRemoved, flags)) {	if (entry && suitableImage(entry, prefix, skipRemoved, flags)) {
2446	cfg->defaultImage = index;	if (indexPtr)
2447	if (indexPtr)	*indexPtr = cfg->defaultImage;
2448	*indexPtr = index;	return entry;
2449	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;
2450	}	}
	}
2451
2452	index = 0;	index = 0;
2453	while ((entry = findEntryByIndex(cfg, index))) {	while ((entry = findEntryByIndex(cfg, index))) {
2454	if (suitableImage(entry, prefix, skipRemoved, flags)) {	if (suitableImage(entry, prefix, skipRemoved, flags)) {
2455	int j;	int j, unmodifiedIndex;
2456	for (j = 0; j < index; j++) {
2457	entry2 = findEntryByIndex(cfg, j);	unmodifiedIndex = index;
2458	if (entry2->skip) index--;
2459	}	for (j = 0; j < unmodifiedIndex; j++) {
2460	if (indexPtr) *indexPtr = index;	entry2 = findEntryByIndex(cfg, j);
2461		if (entry2->skip)
2462		index--;
2463		}
2464		if (indexPtr)
2465		*indexPtr = index;
2466
2467		return entry;
2468		}
2469
2470	return entry;	index++;
2471	}	}
2472
2473	index++;	fprintf(stderr,
2474	}	_("grubby fatal error: unable to find a suitable template\n"));
	fprintf(stderr, _("grubby fatal error: unable to find a suitable template\n"));
2475
2476	return NULL;	return NULL;
2477	}	}
2478
2479	char * findBootPrefix(void) {	char *findBootPrefix(void)
2480	struct stat sb, sb2;	{
2481		struct stat sb, sb2;
2482
2483	stat("/", &sb);	stat("/", &sb);
2484	#ifdef __ia64__	#ifdef __ia64__
2485	stat("/boot/efi/EFI/redhat/", &sb2);	stat("/boot/efi/EFI/redhat/", &sb2);
2486	#else	#else
2487	stat("/boot", &sb2);	stat("/boot", &sb2);
2488	#endif	#endif
2489
2490	if (sb.st_dev == sb2.st_dev)	if (sb.st_dev == sb2.st_dev)
2491	return strdup("");	return strdup("");
2492
2493	#ifdef __ia64__	#ifdef __ia64__
2494	return strdup("/boot/efi/EFI/redhat/");	return strdup("/boot/efi/EFI/redhat/");
2495	#else	#else
2496	return strdup("/boot");	return strdup("/boot");
2497	#endif	#endif
2498	}	}
2499
2500	void markRemovedImage(struct grubConfig * cfg, const char * image,	void markRemovedImage(struct grubConfig *cfg, const char *image,
2501	const char * prefix) {	const char *prefix)
2502	struct singleEntry * entry;	{
2503		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;
	}
2504
2505	while ((entry = findEntryByPath(cfg, image, prefix, NULL)))	if (!image)
2506	entry->skip = 1;	return;
	}
2507
2508	void setDefaultImage(struct grubConfig * config, int hasNew,	/* check and see if we're removing the default image */
2509	const char * defaultKernelPath, int newIsDefault,	if (isdigit(*image)) {
2510	const char * prefix, int flags, int index) {	entry = findEntryByPath(cfg, image, prefix, NULL);
2511	struct singleEntry * entry, * entry2, * newDefault;	if (entry)
2512	int i, j;	entry->skip = 1;
2513		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;
2514	}	}
	}
2515
2516	/* defaultImage now points to what we'd like to use, but before any order	while ((entry = findEntryByPath(cfg, image, prefix, NULL)))
2517	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;
	}
2518	}	}
2519
2520	void setFallbackImage(struct grubConfig * config, int hasNew) {	void setDefaultImage(struct grubConfig *config, int isAddingBootEntry,
2521	struct singleEntry * entry, * entry2;	const char *defaultKernelPath, int newBootEntryIsDefault,
2522	int j;	const char *prefix, int flags,
2523		int newDefaultBootEntryIndex, int newBootEntryIndex)
2524	if (config->fallbackImage == -1) return;	{
2525		struct singleEntry *bootEntry, *newDefault;
2526	entry = findEntryByIndex(config, config->fallbackImage);	int indexToVerify, firstKernelEntryIndex, currentLookupIndex;
	if (!entry || entry->skip) {
	config->fallbackImage = -1;
	return;
	}
2527
2528	if (hasNew)	/* initialize */
2529	config->fallbackImage++;	currentLookupIndex = FIRST_ENTRY_INDEX;
	/* 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--;
	}
	}
	void displayEntry(struct singleEntry * entry, const char * prefix, int index) {
	struct singleLine * line;
	char * root = NULL;
	int i;
	int j;
	printf("index=%d\n", index);
	line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);
	if (!line) {
	printf("non linux entry\n");
	return;
	}
2530
2531	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))	/* handle the two cases where the user explictly picks the default
2532	printf("kernel=%s\n", line->elements[1].item);	* boot entry index as it would exist post-modification */
	else
	printf("kernel=%s%s\n", prefix, line->elements[1].item);
	if (line->numElements >= 3) {
	printf("args=\"");
	i = 2;
	while (i < line->numElements) {
	if (!strncmp(line->elements[i].item, "root=", 5)) {
	root = line->elements[i].item + 5;
	} else {
	printf("%s%s", line->elements[i].item,
	line->elements[i].indent);
	}
2533
2534	i++;	/* Case 1: user chose to make the latest boot entry the default */
2535		if (newBootEntryIsDefault) {
2536		config->defaultImage = newBootEntryIndex;
2537		return;
2538	}	}
	printf("\"\n");
	} else {
	line = getLineByType(LT_KERNELARGS, entry->lines);
	if (line) {
	char * s;
2539
2540	printf("args=\"");	/* Case 2: user picked an arbitrary index as the default boot entry */
2541	i = 1;	if (newDefaultBootEntryIndex >= FIRST_ENTRY_INDEX
2542	while (i < line->numElements) {	&& config->cfi->defaultIsIndex) {
2543	if (!strncmp(line->elements[i].item, "root=", 5)) {	indexToVerify = newDefaultBootEntryIndex;
2544	root = line->elements[i].item + 5;
2545	} else {	/* user chose to make latest boot entry the default */
2546	s = line->elements[i].item;	if (newDefaultBootEntryIndex == newBootEntryIndex) {
2547		config->defaultImage = newBootEntryIndex;
2548		return;
2549		}
2550
2551	printf("%s%s", s, line->elements[i].indent);	/* the user picks the default index based on the
2552		* order of the bootloader configuration after
2553		* modification; ensure we are checking for the
2554		* existence of the correct entry */
2555		if (newBootEntryIndex < newDefaultBootEntryIndex) {
2556		if (!config->isModified)
2557		indexToVerify--;
2558	}	}
2559
2560	i++;	/* verify the user selected index will exist */
2561	}	if (findEntryByIndex(config, indexToVerify)) {
2562		config->defaultImage = newDefaultBootEntryIndex;
2563		} else {
2564		config->defaultImage = NO_DEFAULT_ENTRY;
2565		}
2566
2567	s = line->elements[i - 1].indent;	return;
	printf("\"\n");
2568	}	}
	}
2569
2570	if (!root) {	/* handle cases where the index value may shift */
	line = getLineByType(LT_ROOT, entry->lines);
	if (line && line->numElements >= 2)
	root=line->elements[1].item;
	}
2571
2572	if (root) {	/* check validity of existing default or first-entry-found
2573	char * s = alloca(strlen(root) + 1);	selection */
2574		if (defaultKernelPath) {
2575	strcpy(s, root);	/* we must initialize this */
2576	if (s[strlen(s) - 1] == '"')	firstKernelEntryIndex = 0;
2577	s[strlen(s) - 1] = '\0';	/* user requested first-entry-found */
2578	/* make sure the root doesn't have a trailing " */	if (!findEntryByPath(config, defaultKernelPath,
2579	printf("root=%s\n", s);	prefix, &firstKernelEntryIndex)) {
2580	}	/* don't change default if can't find match */
2581		config->defaultImage = NO_DEFAULT_ENTRY;
2582		return;
2583		}
2584
2585	line = getLineByType(LT_INITRD|LT_INITRD_EFI|LT_INITRD_16, entry->lines);	config->defaultImage = firstKernelEntryIndex;
2586
2587	if (line && line->numElements >= 2) {	/* this is where we start looking for decrement later */
2588	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))	currentLookupIndex = config->defaultImage;
	printf("initrd=");
	else
	printf("initrd=%s", prefix);
2589
2590	for (i = 1; i < line->numElements; i++)	if (isAddingBootEntry && !config->isModified &&
2591	printf("%s%s", line->elements[i].item, line->elements[i].indent);	(newBootEntryIndex < config->defaultImage)) {
2592	printf("\n");	/* increment because new entry added before default */
2593	}	config->defaultImage++;
2594		}
2595		} else {
2596		/* check to see if the default is stored in the environment */
2597		if (config->defaultImage < FIRST_ENTRY_INDEX) {
2598		if (config->defaultImage == DEFAULT_SAVED || config->defaultImage == DEFAULT_SAVED_GRUB2)
2599		{
2600		if (config->cfi->defaultIsSaved) {
2601		if (config->cfi->getEnv) {
2602		char *defaultTitle = config->cfi->getEnv(config->cfi, "saved_entry");
2603
2604		if (defaultTitle) {
2605		if (isnumber(defaultTitle)) {
2606		currentLookupIndex = atoi(defaultTitle);
2607		} else {
2608		findEntryByTitle(config, defaultTitle, &currentLookupIndex);
2609		}
2610		/* set the default Image to an actual index */
2611		config->defaultImage = currentLookupIndex;
2612		}
2613		}
2614		}
2615		}
2616		} else {
2617		/* use pre-existing default entry from the file*/
2618		currentLookupIndex = config->defaultImage;
2619		}
2620
2621	line = getLineByType(LT_TITLE, entry->lines);	if (isAddingBootEntry
2622	if (line) {	&& (newBootEntryIndex <= config->defaultImage)) {
2623	printf("title=%s\n", line->elements[1].item);	config->defaultImage++;
2624	} else {
2625	char * title;	if (config->isModified) {
2626	line = getLineByType(LT_MENUENTRY, entry->lines);	currentLookupIndex++;
2627	if (line) {	}
2628	title = grub2ExtractTitle(line);	}
	if (title)
	printf("title=%s\n", title);
2629	}	}
	}
2630
2631	for (j = 0, line = entry->lines; line; line = line->next) {	/* sanity check - is this entry index valid? */
2632	if ((line->type & LT_MBMODULE) && line->numElements >= 2) {	bootEntry = findEntryByIndex(config, currentLookupIndex);
2633	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))
2634	printf("mbmodule%d=", j);	if ((bootEntry && bootEntry->skip) || !bootEntry) {
2635	else	/* entry is to be skipped or is invalid */
2636	printf("mbmodule%d=%s", j, prefix);	if (isAddingBootEntry) {
2637		config->defaultImage = newBootEntryIndex;
2638	for (i = 1; i < line->numElements; i++)	return;
2639	printf("%s%s", line->elements[i].item, line->elements[i].indent);	}
2640	printf("\n");	newDefault =
2641	j++;	findTemplate(config, prefix, &config->defaultImage, 1,
2642		flags);
2643		if (!newDefault) {
2644		config->defaultImage = NO_DEFAULT_ENTRY;
2645		}
2646
2647		return;
2648	}	}
	}
	}
2649
2650	int isSuseSystem(void) {	currentLookupIndex--;
	const char * path;
	const static char default_path[] = "/etc/SuSE-release";
2651
2652	if ((path = getenv("GRUBBY_SUSE_RELEASE")) == NULL)	/* decrement index by the total number of entries deleted */
	path = default_path;
2653
2654	if (!access(path, R_OK))	for (indexToVerify = currentLookupIndex;
2655	return 1;	indexToVerify >= FIRST_ENTRY_INDEX; indexToVerify--) {
	return 0;
	}
2656
2657	int isSuseGrubConf(const char * path) {	bootEntry = findEntryByIndex(config, indexToVerify);
	FILE * grubConf;
	char * line = NULL;
	size_t len = 0, res = 0;
	grubConf = fopen(path, "r");
	if (!grubConf) {
	dbgPrintf("Could not open SuSE configuration file '%s'\n", path);
	return 0;
	}
2658
2659	while ((res = getline(&line, &len, grubConf)) != -1) {	if (bootEntry && bootEntry->skip) {
2660	if (!strncmp(line, "setup", 5)) {	config->defaultImage--;
2661	fclose(grubConf);	}
	free(line);
	return 1;
2662	}	}
2663	}	}
2664
2665	dbgPrintf("SuSE configuration file '%s' does not appear to be valid\n",	void setFallbackImage(struct grubConfig *config, int hasNew)
2666	path);	{
2667		struct singleEntry *entry, *entry2;
2668		int j;
2669
2670	fclose(grubConf);	if (config->fallbackImage == -1)
2671	free(line);	return;
	return 0;
	}
2672
2673	int suseGrubConfGetLba(const char * path, int * lbaPtr) {	entry = findEntryByIndex(config, config->fallbackImage);
2674	FILE * grubConf;	if (!entry || entry->skip) {
2675	char * line = NULL;	config->fallbackImage = -1;
2676	size_t res = 0, len = 0;	return;
	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';
2677	}	}
2678
2679	if (!strncmp(line, "setup", 5)) {	if (hasNew)
2680	if (strstr(line, "--force-lba")) {	config->fallbackImage++;
	*lbaPtr = 1;
	} else {
	*lbaPtr = 0;
	}
	dbgPrintf("lba: %i\n", *lbaPtr);
	break;
	}
	}
2681
2682	free(line);	/* count the number of entries erased before this one */
2683	fclose(grubConf);	for (j = 0; j < config->fallbackImage; j++) {
2684	return 0;	entry2 = findEntryByIndex(config, j);
2685		if (entry2->skip)
2686		config->fallbackImage--;
2687		}
2688	}	}
2689
2690	int suseGrubConfGetInstallDevice(const char * path, char ** devicePtr) {	void displayEntry(struct grubConfig *config, struct singleEntry *entry, const char *prefix, int index)
2691	FILE * grubConf;	{
2692	char * line = NULL;	struct singleLine *line;
2693	size_t res = 0, len = 0;	char *root = NULL;
2694	char * lastParamPtr = NULL;	int i;
2695	char * secLastParamPtr = NULL;	int j;
	char installDeviceNumber = '\0';
	char * bounds = NULL;
	if (!path) return 1;
	if (!devicePtr) return 1;
	grubConf = fopen(path, "r");
	if (!grubConf) return 1;
	while ((res = getline(&line, &len, grubConf)) != -1) {
	if (strncmp(line, "setup", 5))
	continue;
	if (line[res - 1] == '\n')
	line[res - 1] = '\0';
	else if (len > res)
	line[res] = '\0';
	else {
	line = realloc(line, res + 1);
	line[res] = '\0';
	}
2696
2697	lastParamPtr = bounds = line + res;	printf("index=%d\n", index);
2698
2699	/* Last parameter in grub may be an optional IMAGE_DEVICE */	line =
2700	while (!isspace(*lastParamPtr))	getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI | LT_KERNEL_16,
2701	lastParamPtr--;	entry->lines);
2702	lastParamPtr++;	if (!line) {
2703		printf("non linux entry\n");
2704		return;
2705		}
2706
2707	secLastParamPtr = lastParamPtr - 2;	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))
2708	dbgPrintf("lastParamPtr: %s\n", lastParamPtr);	printf("kernel=%s\n", line->elements[1].item);
2709		else
2710		printf("kernel=%s%s\n", prefix, line->elements[1].item);
2711
2712	if (lastParamPtr + 3 > bounds) {	if (line->numElements >= 3) {
2713	dbgPrintf("lastParamPtr going over boundary");	printf("args=\"");
2714	fclose(grubConf);	i = 2;
2715	free(line);	while (i < line->numElements) {
2716	return 1;	if (!strncmp(line->elements[i].item, "root=", 5)) {
2717	}	root = line->elements[i].item + 5;
2718	if (!strncmp(lastParamPtr, "(hd", 3))	} else {
2719	lastParamPtr += 3;	printf("%s%s", line->elements[i].item,
2720	dbgPrintf("lastParamPtr: %c\n", *lastParamPtr);	line->elements[i].indent);
2721		}
2722
2723	/*	i++;
2724	* Second last parameter will decide wether last parameter is	}
2725	* an IMAGE_DEVICE or INSTALL_DEVICE	printf("\"\n");
	*/
	while (!isspace(*secLastParamPtr))
	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;
2726	} else {	} else {
2727	installDeviceNumber = *lastParamPtr;	line = getLineByType(LT_KERNELARGS, entry->lines);
2728		if (line) {
2729		char *s;
2730
2731		printf("args=\"");
2732		i = 1;
2733		while (i < line->numElements) {
2734		if (!strncmp
2735		(line->elements[i].item, "root=", 5)) {
2736		root = line->elements[i].item + 5;
2737		} else {
2738		s = line->elements[i].item;
2739
2740		printf("%s%s", s,
2741		line->elements[i].indent);
2742		}
2743
2744		i++;
2745		}
2746
2747		s = line->elements[i - 1].indent;
2748		printf("\"\n");
2749		}
2750	}	}
2751
2752	*devicePtr = malloc(6);	if (!root) {
2753	snprintf(*devicePtr, 6, "(hd%c)", installDeviceNumber);	line = getLineByType(LT_ROOT, entry->lines);
2754	dbgPrintf("installDeviceNumber: %c\n", installDeviceNumber);	if (line && line->numElements >= 2)
2755	fclose(grubConf);	root = line->elements[1].item;
2756	free(line);	}
	return 0;
	}
2757
2758	free(line);	if (root) {
2759	fclose(grubConf);	char *s = alloca(strlen(root) + 1);
	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;
2760
2761	while ((res = getline(&line, &len, deviceMap)) != -1) {	strcpy(s, root);
2762	if (!strncmp(line, "#", 1))	if (s[strlen(s) - 1] == '"')
2763	continue;	s[strlen(s) - 1] = '\0';
2764		/* make sure the root doesn't have a trailing " */
2765	if (line[res - 1] == '\n')	printf("root=%s\n", s);
	line[res - 1] = '\0';
	else if (len > res)
	line[res] = '\0';
	else {
	line = realloc(line, res + 1);
	line[res] = '\0';
2766	}	}
2767
2768	devicePtr = line;	line =
2769	bounds = line + res;	getLineByType(LT_INITRD | LT_INITRD_EFI | LT_INITRD_16,
2770		entry->lines);
2771
2772	while ((isspace(*line) && ((devicePtr + 1) <= bounds)))	if (line && line->numElements >= 2) {
2773	devicePtr++;	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))
2774	dbgPrintf("device: %s\n", devicePtr);	printf("initrd=");
2775		else
2776		printf("initrd=%s", prefix);
2777
2778	if (!strncmp(devicePtr, device, strlen(device))) {	for (i = 1; i < line->numElements; i++)
2779	devicePtr += strlen(device);	printf("%s%s", line->elements[i].item,
2780	while (isspace(*devicePtr) && ((devicePtr + 1) <= bounds))	line->elements[i].indent);
2781	devicePtr++;	printf("\n");
2782		}
2783
2784	*bootPtr = strdup(devicePtr);	line = getLineByType(LT_TITLE, entry->lines);
2785	break;	if (line) {
2786		char *entryTitle;
2787		/* if we can extractTitle, then it's a zipl config and
2788		* if not then we go ahead with what's existed prior */
2789		entryTitle = extractTitle(config, line);
2790		if (!entryTitle) {
2791		entryTitle=line->elements[1].item;
2792		}
2793		printf("title=%s\n", entryTitle);
2794		} else {
2795		char *title;
2796		line = getLineByType(LT_MENUENTRY, entry->lines);
2797		if (line) {
2798		title = grub2ExtractTitle(line);
2799		if (title)
2800		printf("title=%s\n", title);
2801		}
2802	}	}
	}
2803
2804	free(line);	for (j = 0, line = entry->lines; line; line = line->next) {
2805	fclose(deviceMap);	if ((line->type & LT_MBMODULE) && line->numElements >= 2) {
2806	return 0;	if (!strncmp
2807		(prefix, line->elements[1].item, strlen(prefix)))
2808		printf("mbmodule%d=", j);
2809		else
2810		printf("mbmodule%d=%s", j, prefix);
2811
2812		for (i = 1; i < line->numElements; i++)
2813		printf("%s%s", line->elements[i].item,
2814		line->elements[i].indent);
2815		printf("\n");
2816		j++;
2817		}
2818		}
2819	}	}
2820
2821	int suseGrubConfGetBoot(const char * path, char ** bootPtr) {	int isSuseSystem(void)
2822	char * grubDevice;	{
2823		const char *path;
2824		const static char default_path[] = "/etc/SuSE-release";
2825
2826	if (suseGrubConfGetInstallDevice(path, &grubDevice))	if ((path = getenv("GRUBBY_SUSE_RELEASE")) == NULL)
2827	dbgPrintf("error looking for grub installation device\n");	path = default_path;
	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);
2828
2829	free(grubDevice);	if (!access(path, R_OK))
2830	return 0;	return 1;
2831		return 0;
2832	}	}
2833
2834	int parseSuseGrubConf(int * lbaPtr, char ** bootPtr) {	int isSuseGrubConf(const char *path)
2835	/*	{
2836	* This SuSE grub configuration file at this location is not your average	FILE *grubConf;
2837	* grub configuration file, but instead the grub commands used to setup	char *line = NULL;
2838	* grub on that system.	size_t len = 0, res = 0;
2839	*/
2840	const char * path;	grubConf = fopen(path, "r");
2841	const static char default_path[] = "/etc/grub.conf";	if (!grubConf) {
2842		dbgPrintf("Could not open SuSE configuration file '%s'\n",
2843	if ((path = getenv("GRUBBY_SUSE_GRUB_CONF")) == NULL)	path);
2844	path = default_path;	return 0;
2845		}
	if (!isSuseGrubConf(path)) return 1;
	if (lbaPtr) {
	*lbaPtr = 0;
	if (suseGrubConfGetLba(path, lbaPtr))
	return 1;
	}
2846
2847	if (bootPtr) {	while ((res = getline(&line, &len, grubConf)) != -1) {
2848	*bootPtr = NULL;	if (!strncmp(line, "setup", 5)) {
2849	suseGrubConfGetBoot(path, bootPtr);	fclose(grubConf);
2850	}	free(line);
2851		return 1;
2852		}
2853		}
2854
2855	return 0;	dbgPrintf("SuSE configuration file '%s' does not appear to be valid\n",
2856		path);
2857
2858		fclose(grubConf);
2859		free(line);
2860		return 0;
2861	}	}
2862
2863	int parseSysconfigGrub(int * lbaPtr, char ** bootPtr) {	int suseGrubConfGetLba(const char *path, int *lbaPtr)
2864	FILE * in;	{
2865	char buf[1024];	FILE *grubConf;
2866	char * chptr;	char *line = NULL;
2867	char * start;	size_t res = 0, len = 0;
	char * param;
	in = fopen("/etc/conf.d/grub", "r");
	if (!in) return 1;
	if (lbaPtr) *lbaPtr = 0;
	if (bootPtr) *bootPtr = NULL;
	while (fgets(buf, sizeof(buf), in)) {
	start = buf;
	while (isspace(*start)) start++;
	if (*start == '#') continue;
	chptr = strchr(start, '=');
	if (!chptr) continue;
	chptr--;
	while (*chptr && isspace(*chptr)) chptr--;
	chptr++;
	*chptr = '\0';
	param = chptr + 1;
	while (*param && isspace(*param)) param++;
	if (*param == '=') {
	param++;
	while (*param && isspace(*param)) param++;
	}
	chptr = param;
	while (*chptr && !isspace(*chptr)) chptr++;
	*chptr = '\0';
	if (!strcmp(start, "forcelba") && !strcmp(param, "1") && lbaPtr)
	*lbaPtr = 1;
	else if (!strcmp(start, "boot") && bootPtr)
	*bootPtr = strdup(param);
	}
2868
2869	fclose(in);	if (!path)
2870		return 1;
2871		if (!lbaPtr)
2872		return 1;
2873
2874	return 0;	grubConf = fopen(path, "r");
2875	}	if (!grubConf)
2876		return 1;
2877
2878		while ((res = getline(&line, &len, grubConf)) != -1) {
2879		if (line[res - 1] == '\n')
2880		line[res - 1] = '\0';
2881		else if (len > res)
2882		line[res] = '\0';
2883		else {
2884		line = realloc(line, res + 1);
2885		line[res] = '\0';
2886		}
2887
2888	void dumpSysconfigGrub(void) {	if (!strncmp(line, "setup", 5)) {
2889	char * boot = NULL;	if (strstr(line, "--force-lba")) {
2890	int lba;	*lbaPtr = 1;
2891		} else {
2892	if (isSuseSystem()) {	*lbaPtr = 0;
2893	if (parseSuseGrubConf(&lba, &boot)) {	}
2894	free(boot);	dbgPrintf("lba: %i\n", *lbaPtr);
2895	return;	break;
2896	}	}
	} else {
	if (parseSysconfigGrub(&lba, &boot)) {
	free(boot);
	return;
2897	}	}
	}
2898
2899	if (lba) printf("lba\n");	free(line);
2900	if (boot) {	fclose(grubConf);
2901	printf("boot=%s\n", boot);	return 0;
	free(boot);
	}
2902	}	}
2903
2904	int displayInfo(struct grubConfig * config, char * kernel,	int suseGrubConfGetInstallDevice(const char *path, char **devicePtr)
2905	const char * prefix) {	{
2906	int i = 0;	FILE *grubConf;
2907	struct singleEntry * entry;	char *line = NULL;
2908	struct singleLine * line;	size_t res = 0, len = 0;
2909		char *lastParamPtr = NULL;
2910	entry = findEntryByPath(config, kernel, prefix, &i);	char *secLastParamPtr = NULL;
2911	if (!entry) {	char installDeviceNumber = '\0';
2912	fprintf(stderr, _("grubby: kernel not found\n"));	char *bounds = NULL;
	return 1;
	}
	/* this is a horrible hack to support /etc/conf.d/grub; there must
	be a better way */
	if (config->cfi == &grubConfigType) {
	dumpSysconfigGrub();
	} else {
	line = getLineByType(LT_BOOT, config->theLines);
	if (line && line->numElements >= 1) {
	printf("boot=%s\n", line->elements[1].item);
	}
2913
2914	line = getLineByType(LT_LBA, config->theLines);	if (!path)
2915	if (line) printf("lba\n");	return 1;
2916	}	if (!devicePtr)
2917		return 1;
2918
2919	displayEntry(entry, prefix, i);	grubConf = fopen(path, "r");
2920		if (!grubConf)
2921		return 1;
2922
2923	i++;	while ((res = getline(&line, &len, grubConf)) != -1) {
2924	while ((entry = findEntryByPath(config, kernel, prefix, &i))) {	if (strncmp(line, "setup", 5))
2925	displayEntry(entry, prefix, i);	continue;
2926	i++;
2927	}	if (line[res - 1] == '\n')
2928		line[res - 1] = '\0';
2929		else if (len > res)
2930		line[res] = '\0';
2931		else {
2932		line = realloc(line, res + 1);
2933		line[res] = '\0';
2934		}
2935
2936	return 0;	lastParamPtr = bounds = line + res;
	}
2937
2938	struct singleLine * addLineTmpl(struct singleEntry * entry,	/* Last parameter in grub may be an optional IMAGE_DEVICE */
2939	struct singleLine * tmplLine,	while (!isspace(*lastParamPtr))
2940	struct singleLine * prevLine,	lastParamPtr--;
2941	const char * val,	lastParamPtr++;
2942	struct configFileInfo * cfi)
2943	{	secLastParamPtr = lastParamPtr - 2;
2944	struct singleLine * newLine = lineDup(tmplLine);	dbgPrintf("lastParamPtr: %s\n", lastParamPtr);
2945
2946	if (isEfi && cfi == &grub2ConfigType) {	if (lastParamPtr + 3 > bounds) {
2947	enum lineType_e old = newLine->type;	dbgPrintf("lastParamPtr going over boundary");
2948	newLine->type = preferredLineType(newLine->type, cfi);	fclose(grubConf);
2949	if (old != newLine->type)	free(line);
2950	newLine->elements[0].item = getKeyByType(newLine->type, cfi);	return 1;
2951	}	}
2952		if (!strncmp(lastParamPtr, "(hd", 3))
2953		lastParamPtr += 3;
2954		dbgPrintf("lastParamPtr: %c\n", *lastParamPtr);
2955
2956		/*
2957		* Second last parameter will decide wether last parameter is
2958		* an IMAGE_DEVICE or INSTALL_DEVICE
2959		*/
2960		while (!isspace(*secLastParamPtr))
2961		secLastParamPtr--;
2962		secLastParamPtr++;
2963
2964		if (secLastParamPtr + 3 > bounds) {
2965		dbgPrintf("secLastParamPtr going over boundary");
2966		fclose(grubConf);
2967		free(line);
2968		return 1;
2969		}
2970		dbgPrintf("secLastParamPtr: %s\n", secLastParamPtr);
2971		if (!strncmp(secLastParamPtr, "(hd", 3)) {
2972		secLastParamPtr += 3;
2973		dbgPrintf("secLastParamPtr: %c\n", *secLastParamPtr);
2974		installDeviceNumber = *secLastParamPtr;
2975		} else {
2976		installDeviceNumber = *lastParamPtr;
2977		}
2978
2979	if (val) {	*devicePtr = malloc(6);
2980	/* override the inherited value with our own.	snprintf(*devicePtr, 6, "(hd%c)", installDeviceNumber);
2981	* This is a little weak because it only applies to elements[1]	dbgPrintf("installDeviceNumber: %c\n", installDeviceNumber);
2982	*/	fclose(grubConf);
2983	if (newLine->numElements > 1)	free(line);
2984	removeElement(newLine, 1);	return 0;
	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);
	}
2985	}	}
	}
	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;
	}
2986
2987	return newLine;	free(line);
2988		fclose(grubConf);
2989		return 1;
2990	}	}
2991
2992	/* val may be NULL */	int grubGetBootFromDeviceMap(const char *device, char **bootPtr)
2993	struct singleLine *  addLine(struct singleEntry * entry,	{
2994	struct configFileInfo * cfi,	FILE *deviceMap;
2995	enum lineType_e type, char * defaultIndent,	char *line = NULL;
2996	const char * val) {	size_t res = 0, len = 0;
2997	struct singleLine * line, * prev;	char *devicePtr;
2998	struct keywordTypes * kw;	char *bounds = NULL;
2999	struct singleLine tmpl;	const char *path;
3000		const static char default_path[] = "/boot/grub/device.map";
	/* 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 = "";
	}
	}
3001
3002	/* The last non-empty line gives us the indention to us and the line	if (!device)
3003	to insert after. Note that comments are considered empty lines, which	return 1;
3004	may not be ideal? If there are no lines or we are looking at the	if (!bootPtr)
3005	first line, we use defaultIndent (the first line is normally indented	return 1;
	differently from the rest) */
	for (line = entry->lines, prev = NULL; line; line = line->next) {
	if (line->numElements) prev = line;
	/* fall back on the last line if prev isn't otherwise set */
	if (!line->next && !prev) prev = line;
	}
3006
3007	struct singleLine *menuEntry;	if ((path = getenv("GRUBBY_GRUB_DEVICE_MAP")) == NULL)
3008	menuEntry = getLineByType(LT_MENUENTRY, entry->lines);	path = default_path;
	if (tmpl.type == LT_ENTRY_END) {
	if (menuEntry)
	tmpl.indent = menuEntry->indent;
	else
	tmpl.indent = defaultIndent ?: "";
	} else if (tmpl.type != LT_MENUENTRY) {
	if (menuEntry)
	tmpl.indent = "\t";
	else if (prev == entry->lines)
	tmpl.indent = defaultIndent ?: "";
	else
	tmpl.indent = prev->indent;
	}
3009
3010	return addLineTmpl(entry, &tmpl, prev, val, cfi);	dbgPrintf("opening grub device.map file from: %s\n", path);
3011	}	deviceMap = fopen(path, "r");
3012		if (!deviceMap)
3013		return 1;
3014
3015	void removeLine(struct singleEntry * entry, struct singleLine * line) {	while ((res = getline(&line, &len, deviceMap)) != -1) {
3016	struct singleLine * prev;	if (!strncmp(line, "#", 1))
3017	int i;	continue;
3018
3019		if (line[res - 1] == '\n')
3020		line[res - 1] = '\0';
3021		else if (len > res)
3022		line[res] = '\0';
3023		else {
3024		line = realloc(line, res + 1);
3025		line[res] = '\0';
3026		}
3027
3028	for (i = 0; i < line->numElements; i++) {	devicePtr = line;
3029	free(line->elements[i].item);	bounds = line + res;
	free(line->elements[i].indent);
	}
	free(line->elements);
	free(line->indent);
3030
3031	if (line == entry->lines) {	while ((isspace(*line) && ((devicePtr + 1) <= bounds)))
3032	entry->lines = line->next;	devicePtr++;
3033	} else {	dbgPrintf("device: %s\n", devicePtr);
3034	prev = entry->lines;
3035	while (prev->next != line) prev = prev->next;	if (!strncmp(devicePtr, device, strlen(device))) {
3036	prev->next = line->next;	devicePtr += strlen(device);
3037	}	while (isspace(*devicePtr)
3038		&& ((devicePtr + 1) <= bounds))
3039		devicePtr++;
3040
3041		*bootPtr = strdup(devicePtr);
3042		break;
3043		}
3044		}
3045
3046	free(line);	free(line);
3047		fclose(deviceMap);
3048		return 0;
3049	}	}
3050
3051	static void requote(struct singleLine *tmplLine, struct configFileInfo * cfi)	int suseGrubConfGetBoot(const char *path, char **bootPtr)
3052	{	{
3053	struct singleLine newLine = {	char *grubDevice;
	.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;
	}
	}
	}
	while (tmplLine->numElements)
	removeElement(tmplLine, 0);
	if (tmplLine->elements)
	free(tmplLine->elements);
	tmplLine->numElements = newLine.numElements;
	tmplLine->elements = newLine.elements;
	}
	static void insertElement(struct singleLine * line,
	const char * item, int insertHere,
	struct configFileInfo * cfi)
	{
	struct keywordTypes * kw;
	char indent[2] = "";
	/* sanity check */
	if (insertHere > line->numElements) {
	dbgPrintf("insertElement() adjusting insertHere from %d to %d\n",
	insertHere, line->numElements);
	insertHere = line->numElements;
	}
	line->elements = realloc(line->elements, (line->numElements + 1) *
	sizeof(*line->elements));
	memmove(&line->elements[insertHere+1],
	&line->elements[insertHere],
	(line->numElements - insertHere) *
	sizeof(*line->elements));
	line->elements[insertHere].item = strdup(item);
	kw = getKeywordByType(line->type, cfi);
	if (line->numElements == 0) {
	indent[0] = '\0';
	} else if (insertHere == 0) {
	indent[0] = kw->nextChar;
	} else if (kw->separatorChar != '\0') {
	indent[0] = kw->separatorChar;
	} else {
	indent[0] = ' ';
	}
3054
3055	if (insertHere > 0 && line->elements[insertHere-1].indent[0] == '\0') {	if (suseGrubConfGetInstallDevice(path, &grubDevice))
3056	/* move the end-of-line forward */	dbgPrintf("error looking for grub installation device\n");
3057	line->elements[insertHere].indent =	else
3058	line->elements[insertHere-1].indent;	dbgPrintf("grubby installation device: %s\n", grubDevice);
	line->elements[insertHere-1].indent = strdup(indent);
	} else {
	line->elements[insertHere].indent = strdup(indent);
	}
3059
3060	line->numElements++;	if (grubGetBootFromDeviceMap(grubDevice, bootPtr))
3061		dbgPrintf("error looking for grub boot device\n");
3062		else
3063		dbgPrintf("grubby boot device: %s\n", *bootPtr);
3064
3065	dbgPrintf("insertElement(%s, '%s%s', %d)\n",	free(grubDevice);
3066	line->elements[0].item,	return 0;
	line->elements[insertHere].item,
	line->elements[insertHere].indent,
	insertHere);
3067	}	}
3068
3069	static void removeElement(struct singleLine * line, int removeHere) {	int parseSuseGrubConf(int *lbaPtr, char **bootPtr)
3070	int i;	{
3071		/*
3072	/* sanity check */	* This SuSE grub configuration file at this location is not your
3073	if (removeHere >= line->numElements) return;	* average grub configuration file, but instead the grub commands
3074		* used to setup grub on that system.
3075	dbgPrintf("removeElement(%s, %d:%s)\n", line->elements[0].item,	*/
3076	removeHere, line->elements[removeHere].item);	const char *path;
3077		const static char default_path[] = "/etc/grub.conf";
3078
3079	free(line->elements[removeHere].item);	if ((path = getenv("GRUBBY_SUSE_GRUB_CONF")) == NULL)
3080		path = default_path;
3081
3082	if (removeHere > 1) {	if (!isSuseGrubConf(path))
3083	/* previous argument gets this argument's post-indentation */	return 1;
	free(line->elements[removeHere-1].indent);
	line->elements[removeHere-1].indent =
	line->elements[removeHere].indent;
	} else {
	free(line->elements[removeHere].indent);
	}
3084
3085	/* now collapse the array, but don't bother to realloc smaller */	if (lbaPtr) {
3086	for (i = removeHere; i < line->numElements - 1; i++)	*lbaPtr = 0;
3087	line->elements[i] = line->elements[i + 1];	if (suseGrubConfGetLba(path, lbaPtr))
3088		return 1;
	line->numElements--;
	}
	int argMatch(const char * one, const char * two) {
	char * first, * second;
	char * chptr;
	first = strcpy(alloca(strlen(one) + 1), one);
	second = strcpy(alloca(strlen(two) + 1), two);
	chptr = strchr(first, '=');
	if (chptr) *chptr = '\0';
	chptr = strchr(second, '=');
	if (chptr) *chptr = '\0';
	return strcmp(first, second);
	}
	int updateActualImage(struct grubConfig * cfg, const char * image,
	const char * prefix, const char * addArgs,
	const char * removeArgs, int multibootArgs) {
	struct singleEntry * entry;
	struct singleLine * line, * rootLine;
	int index = 0;
	int i, k;
	const char ** newArgs, ** oldArgs;
	const char ** arg;
	int useKernelArgs, useRoot;
	int firstElement;
	int *usedElements;
	int doreplace;
	if (!image) return 0;
	if (!addArgs) {
	newArgs = malloc(sizeof(*newArgs));
	*newArgs = NULL;
	} else {
	if (poptParseArgvString(addArgs, NULL, &newArgs)) {
	fprintf(stderr,
	_("grubby: error separating arguments '%s'\n"), addArgs);
	return 1;
3089	}	}
	}
3090
3091	if (!removeArgs) {	if (bootPtr) {
3092	oldArgs = malloc(sizeof(*oldArgs));	*bootPtr = NULL;
3093	*oldArgs = NULL;	suseGrubConfGetBoot(path, bootPtr);
	} else {
	if (poptParseArgvString(removeArgs, NULL, &oldArgs)) {
	fprintf(stderr,
	_("grubby: error separating arguments '%s'\n"), removeArgs);
	free(newArgs);
	return 1;
3094	}	}
	}
3095
3096		return 0;
3097		}
3098
3099		int parseSysconfigGrub(int *lbaPtr, char **bootPtr)
3100		{
3101		FILE *in;
3102		char buf[1024];
3103		char *chptr;
3104		char *start;
3105		char *param;
3106
3107	useKernelArgs = (getKeywordByType(LT_KERNELARGS, cfg->cfi)	in = fopen("/etc/sysconfig/grub", "r");
3108	&& (!multibootArgs || cfg->cfi->mbConcatArgs));	if (!in)
3109		return 1;
3110
3111	useRoot = (getKeywordByType(LT_ROOT, cfg->cfi)	if (lbaPtr)
3112	&& !multibootArgs);	*lbaPtr = 0;
3113		if (bootPtr)
3114		*bootPtr = NULL;
3115
3116		while (fgets(buf, sizeof(buf), in)) {
3117		start = buf;
3118		while (isspace(*start))
3119		start++;
3120		if (*start == '#')
3121		continue;
3122
3123		chptr = strchr(start, '=');
3124		if (!chptr)
3125		continue;
3126		chptr--;
3127		while (*chptr && isspace(*chptr))
3128		chptr--;
3129		chptr++;
3130		*chptr = '\0';
3131
3132		param = chptr + 1;
3133		while (*param && isspace(*param))
3134		param++;
3135		if (*param == '=') {
3136		param++;
3137		while (*param && isspace(*param))
3138		param++;
3139		}
3140
3141	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {	chptr = param;
3142		while (*chptr && !isspace(*chptr))
3143		chptr++;
3144		*chptr = '\0';
3145
3146		if (!strcmp(start, "forcelba") && !strcmp(param, "1") && lbaPtr)
3147		*lbaPtr = 1;
3148		else if (!strcmp(start, "boot") && bootPtr)
3149		*bootPtr = strdup(param);
3150		}
3151
3152	if (multibootArgs && !entry->multiboot)	fclose(in);
	continue;
3153
3154	/* Determine where to put the args.  If this config supports	return 0;
3155	* LT_KERNELARGS, use that.  Otherwise use	}
	* LT_HYPER/LT_KERNEL/LT_MBMODULE lines.
	*/
	if (useKernelArgs) {
	line = getLineByType(LT_KERNELARGS, entry->lines);
	if (!line) {
	/* no LT_KERNELARGS, need to add it */
	line = addLine(entry, cfg->cfi, LT_KERNELARGS,
	cfg->secondaryIndent, NULL);
	}
	firstElement = 1;
	} else if (multibootArgs) {
	line = getLineByType(LT_HYPER, entry->lines);
	if (!line) {
	/* a multiboot entry without LT_HYPER? */
	continue;
	}
	firstElement = 2;
3156
3157		void dumpSysconfigGrub(void)
3158		{
3159		char *boot = NULL;
3160		int lba;
3161
3162		if (isSuseSystem()) {
3163		if (parseSuseGrubConf(&lba, &boot)) {
3164		free(boot);
3165		return;
3166		}
3167	} else {	} else {
3168	line = getLineByType(LT_KERNEL|LT_MBMODULE|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);	if (parseSysconfigGrub(&lba, &boot)) {
3169	if (!line) {	free(boot);
3170	/* no LT_KERNEL or LT_MBMODULE in this entry? */	return;
3171	continue;	}
	}
	firstElement = 2;
3172	}	}
3173
3174	/* handle the elilo case which does:	if (lba)
3175	*   append="hypervisor args -- kernel args"	printf("lba\n");
3176	*/	if (boot) {
3177	if (entry->multiboot && cfg->cfi->mbConcatArgs) {	printf("boot=%s\n", boot);
3178	/* this is a multiboot entry, make sure there's	free(boot);
3179	* -- on the args line	}
3180	*/	}
	for (i = firstElement; i < line->numElements; i++) {
	if (!strcmp(line->elements[i].item, "--"))
	break;
	}
	if (i == line->numElements) {
	/* assume all existing args are kernel args,
	* prepend -- to make it official
	*/
	insertElement(line, "--", firstElement, cfg->cfi);
	i = firstElement;
	}
	if (!multibootArgs) {
	/* kernel args start after the -- */
	firstElement = i + 1;
	}
	} else if (cfg->cfi->mbConcatArgs) {
	/* this is a non-multiboot entry, remove hyper args */
	for (i = firstElement; i < line->numElements; i++) {
	if (!strcmp(line->elements[i].item, "--"))
	break;
	}
	if (i < line->numElements) {
	/* remove args up to -- */
	while (strcmp(line->elements[firstElement].item, "--"))
	removeElement(line, firstElement);
	/* remove -- */
	removeElement(line, firstElement);
	}
	}
	usedElements = calloc(line->numElements, sizeof(*usedElements));
	for (k = 0, arg = newArgs; *arg; arg++, k++) {
	doreplace = 1;
	for (i = firstElement; i < line->numElements; i++) {
	if (multibootArgs && cfg->cfi->mbConcatArgs &&
	!strcmp(line->elements[i].item, "--"))
	{
	/* reached the end of hyper args, insert here */
	doreplace = 0;
	break;
	}
	if (usedElements[i])
	continue;
	if (!argMatch(line->elements[i].item, *arg)) {
	usedElements[i]=1;
	break;
	}
	}
3181
3182	if (i < line->numElements && doreplace) {	int displayInfo(struct grubConfig *config, char *kernel, const char *prefix)
3183	/* direct replacement */	{
3184	free(line->elements[i].item);	int i = 0;
3185	line->elements[i].item = strdup(*arg);	struct singleEntry *entry;
3186		struct singleLine *line;
3187
3188		entry = findEntryByPath(config, kernel, prefix, &i);
3189		if (!entry) {
3190		fprintf(stderr, _("grubby: kernel not found\n"));
3191		return 1;
3192		}
3193
3194	} else if (useRoot && !strncmp(*arg, "root=/dev/", 10)) {	/* this is a horrible hack to support /etc/sysconfig/grub; there must
3195	/* root= replacement */	be a better way */
3196	rootLine = getLineByType(LT_ROOT, entry->lines);	if (config->cfi == &grubConfigType) {
3197	if (rootLine) {	dumpSysconfigGrub();
3198	free(rootLine->elements[1].item);	} else {
3199	rootLine->elements[1].item = strdup(*arg + 5);	line = getLineByType(LT_BOOT, config->theLines);
3200	} else {	if (line && line->numElements >= 1) {
3201	rootLine = addLine(entry, cfg->cfi, LT_ROOT,	printf("boot=%s\n", line->elements[1].item);
	cfg->secondaryIndent, *arg + 5);
3202	}	}
	}
3203
3204	else {	line = getLineByType(LT_LBA, config->theLines);
3205	/* insert/append */	if (line)
3206	insertElement(line, *arg, i, cfg->cfi);	printf("lba\n");
	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);
3207	}	}
	}
3208
3209	free(newArgs);	displayEntry(config, entry, prefix, i);
	free(oldArgs);
3210
3211	return 0;	i++;
3212	}	while ((entry = findEntryByPath(config, kernel, prefix, &i))) {
3213		displayEntry(config, entry, prefix, i);
3214	int updateImage(struct grubConfig * cfg, const char * image,	i++;
	const char * prefix, const char * addArgs,
	const char * removeArgs,
	const char * addMBArgs, const char * removeMBArgs) {
	int rc = 0;
	if (!image) return rc;
	/* update the main args first... */
	if (addArgs || removeArgs)
	rc = updateActualImage(cfg, image, prefix, addArgs, removeArgs, 0);
	if (rc) return rc;
	/* and now any multiboot args */
	if (addMBArgs || removeMBArgs)
	rc = updateActualImage(cfg, image, prefix, addMBArgs, removeMBArgs, 1);
	return rc;
	}
	int addMBInitrd(struct grubConfig * cfg, const char *newMBKernel,
	const char * image, const char * prefix, const char * initrd,
	const char * title) {
	struct singleEntry * entry;
	struct singleLine * line, * kernelLine, *endLine = NULL;
	int index = 0;
	if (!image) return 0;
	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
	kernelLine = getLineByType(LT_MBMODULE, entry->lines);
	if (!kernelLine) continue;
	/* if title is supplied, the entry's title must match it. */
	if (title) {
	char *linetitle;
	line = getLineByType(LT_TITLE|LT_MENUENTRY, entry->lines);
	if (!line)
	continue;
	linetitle = extractTitle(cfg, line);
	if (!linetitle)
	continue;
	if (strcmp(title, linetitle)) {
	free(linetitle);
	continue;
	}
	free(linetitle);
	}
	if (prefix) {
	int prefixLen = strlen(prefix);
	if (!strncmp(initrd, prefix, prefixLen))
	initrd += prefixLen;
	}
	endLine = getLineByType(LT_ENTRY_END, entry->lines);
	if (endLine)
	removeLine(entry, endLine);
	line = addLine(entry, cfg->cfi, preferredLineType(LT_MBMODULE,cfg->cfi),
	kernelLine->indent, initrd);
	if (!line)
	return 1;
	if (endLine) {
	line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL);
	if (!line)
	return 1;
3215	}	}
3216
3217	break;	return 0;
	}
	return 0;
3218	}	}
3219
3220	int updateInitrd(struct grubConfig * cfg, const char * image,	struct singleLine *addLineTmpl(struct singleEntry *entry,
3221	const char * prefix, const char * initrd, const char * title) {	struct singleLine *tmplLine,
3222	struct singleEntry * entry;	struct singleLine *prevLine,
3223	struct singleLine * line, * kernelLine, *endLine = NULL;	const char *val, struct configFileInfo *cfi)
3224	int index = 0;	{
3225		struct singleLine *newLine = lineDup(tmplLine);
3226	if (!image) return 0;
3227		if (isEfi && cfi == &grub2ConfigType) {
3228	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {	enum lineType_e old = newLine->type;
3229	kernelLine = getLineByType(LT_KERNEL|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines);	newLine->type = preferredLineType(newLine->type, cfi);
3230	if (!kernelLine) continue;	if (old != newLine->type)
3231		newLine->elements[0].item =
3232	/* if title is supplied, the entry's title must match it. */	getKeyByType(newLine->type, cfi);
	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);
3233	}	}
3234	line = addLine(entry, cfg->cfi, lt, kernelLine->indent, initrd);
3235	if (!line)	if (val) {
3236	return 1;	/* override the inherited value with our own.
3237	if (endLine) {	* This is a little weak because it only applies to elements[1]
3238	line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL);	*/
3239	if (!line)	if (newLine->numElements > 1)
3240	return 1;	removeElement(newLine, 1);
3241		insertElement(newLine, val, 1, cfi);
3242
3243		/* but try to keep the rootspec from the template... sigh */
3244		if (tmplLine->
3245		type & (LT_HYPER | LT_KERNEL | LT_MBMODULE | LT_INITRD |
3246		LT_KERNEL_EFI | LT_INITRD_EFI | LT_KERNEL_16 |
3247		LT_INITRD_16)) {
3248		char *rootspec =
3249		getRootSpecifier(tmplLine->elements[1].item);
3250		if (rootspec != NULL) {
3251		free(newLine->elements[1].item);
3252		newLine->elements[1].item =
3253		sdupprintf("%s%s", rootspec, val);
3254		}
3255		}
3256	}	}
3257
3258	break;	dbgPrintf("addLineTmpl(%s)\n", newLine->numElements ?
3259	}	newLine->elements[0].item : "");
3260
3261	return 0;	if (!entry->lines) {
3262	}	/* first one on the list */
3263		entry->lines = newLine;
3264	int checkDeviceBootloader(const char * device, const unsigned char * boot) {	} else if (prevLine) {
3265	int fd;	/* add after prevLine */
3266	unsigned char bootSect[512];	newLine->next = prevLine->next;
3267	int offset;	prevLine->next = newLine;
3268		}
	fd = open(device, O_RDONLY);
	if (fd < 0) {
	fprintf(stderr, _("grubby: unable to open %s: %s\n"),
	device, strerror(errno));
	return 1;
	}
3269
3270	if (read(fd, bootSect, 512) != 512) {	return newLine;
3271	fprintf(stderr, _("grubby: unable to read %s: %s\n"),	}
	device, strerror(errno));
	return 1;
	}
	close(fd);
3272
3273	/* first three bytes should match, a jmp short should be in there */	/* val may be NULL */
3274	if (memcmp(boot, bootSect, 3))	struct singleLine *addLine(struct singleEntry *entry,
3275	return 0;	struct configFileInfo *cfi,
3276		enum lineType_e type, char *defaultIndent,
3277		const char *val)
3278		{
3279		struct singleLine *line, *prev;
3280		struct keywordTypes *kw;
3281		struct singleLine tmpl;
3282
3283	if (boot[1] == JMP_SHORT_OPCODE) {	/* NB: This function shouldn't allocate items on the heap, rather on
3284	offset = boot[2] + 2;	* the stack since it calls addLineTmpl which will make copies.
	} else if (boot[1] == 0xe8 || boot[1] == 0xe9) {
	offset = (boot[3] << 8) + boot[2] + 2;
	} else if (boot[0] == JMP_SHORT_OPCODE) {
	offset = boot[1] + 2;
	/*
	* it looks like grub, when copying stage1 into the mbr, patches stage1
	* right after the JMP location, replacing other instructions such as
	* JMPs for NOOPs. So, relax the check a little bit by skipping those
	* different bytes.
3285	*/	*/
3286	if ((bootSect[offset + 1] == NOOP_OPCODE)	if (type == LT_TITLE && cfi->titleBracketed) {
3287	&& (bootSect[offset + 2] == NOOP_OPCODE)) {	/* we're doing a bracketed title (zipl) */
3288	offset = offset + 3;	tmpl.type = type;
3289	}	tmpl.numElements = 1;
3290	} else if (boot[0] == 0xe8 || boot[0] == 0xe9) {	tmpl.elements = alloca(sizeof(*tmpl.elements));
3291	offset = (boot[2] << 8) + boot[1] + 2;	tmpl.elements[0].item = alloca(strlen(val) + 3);
3292	} else {	sprintf(tmpl.elements[0].item, "[%s]", val);
3293	return 0;	tmpl.elements[0].indent = "";
3294	}	val = NULL;
3295		} else if (type == LT_MENUENTRY) {
3296		char *lineend = "--class gnu-linux --class gnu --class os {";
3297		if (!val) {
3298		fprintf(stderr,
3299		"Line type LT_MENUENTRY requires a value\n");
3300		abort();
3301		}
3302		kw = getKeywordByType(type, cfi);
3303		if (!kw) {
3304		fprintf(stderr,
3305		"Looking up keyword for unknown type %d\n",
3306		type);
3307		abort();
3308		}
3309		tmpl.indent = "";
3310		tmpl.type = type;
3311		tmpl.numElements = 3;
3312		tmpl.elements =
3313		alloca(sizeof(*tmpl.elements) * tmpl.numElements);
3314		tmpl.elements[0].item = kw->key;
3315		tmpl.elements[0].indent = alloca(2);
3316		sprintf(tmpl.elements[0].indent, "%c", kw->nextChar);
3317		tmpl.elements[1].item = (char *)val;
3318		tmpl.elements[1].indent = alloca(2);
3319		sprintf(tmpl.elements[1].indent, "%c", kw->nextChar);
3320		tmpl.elements[2].item = alloca(strlen(lineend) + 1);
3321		strcpy(tmpl.elements[2].item, lineend);
3322		tmpl.elements[2].indent = "";
3323		} else {
3324		kw = getKeywordByType(type, cfi);
3325		if (!kw) {
3326		fprintf(stderr,
3327		"Looking up keyword for unknown type %d\n",
3328		type);
3329		abort();
3330		}
3331		tmpl.type = type;
3332		tmpl.numElements = val ? 2 : 1;
3333		tmpl.elements =
3334		alloca(sizeof(*tmpl.elements) * tmpl.numElements);
3335		tmpl.elements[0].item = kw->key;
3336		tmpl.elements[0].indent = alloca(2);
3337		sprintf(tmpl.elements[0].indent, "%c", kw->nextChar);
3338		if (val) {
3339		tmpl.elements[1].item = (char *)val;
3340		tmpl.elements[1].indent = "";
3341		}
3342		}
3343
3344	if (memcmp(boot + offset, bootSect + offset, CODE_SEG_SIZE))	/* The last non-empty line gives us the indention to us and the line
3345	return 0;	* to insert after. Note that comments are considered empty lines,
3346		* which may not be ideal? If there are no lines or we are looking at
3347		* the first line, we use defaultIndent (the first line is normally
3348		* indented differently from the rest) */
3349		for (line = entry->lines, prev = NULL; line; line = line->next) {
3350		if (line->numElements)
3351		prev = line;
3352		/* fall back on the last line if prev isn't otherwise set */
3353		if (!line->next && !prev)
3354		prev = line;
3355		}
3356
3357		struct singleLine *menuEntry;
3358		menuEntry = getLineByType(LT_MENUENTRY, entry->lines);
3359		if (tmpl.type == LT_ENTRY_END) {
3360		if (menuEntry)
3361		tmpl.indent = menuEntry->indent;
3362		else
3363		tmpl.indent = defaultIndent ? : "";
3364		} else if (tmpl.type != LT_MENUENTRY) {
3365		if (menuEntry)
3366		tmpl.indent = "\t";
3367		else if (prev == entry->lines)
3368		tmpl.indent = defaultIndent ? : "";
3369		else
3370		tmpl.indent = prev->indent;
3371		}
3372
3373	return 2;	return addLineTmpl(entry, &tmpl, prev, val, cfi);
3374	}	}
3375
3376	int checkLiloOnRaid(char * mdDev, const unsigned char * boot) {	void removeLine(struct singleEntry *entry, struct singleLine *line)
3377	int fd;	{
3378	char buf[65536];	struct singleLine *prev;
3379	char * end;	int i;
	char * chptr;
	char * chptr2;
	int rc;
3380
3381	/* it's on raid; we need to parse /proc/mdstat and check all of the	for (i = 0; i < line->numElements; i++) {
3382	*raw* devices listed in there */	free(line->elements[i].item);
3383		free(line->elements[i].indent);
3384		}
3385		free(line->elements);
3386		free(line->indent);
3387
3388	if (!strncmp(mdDev, "/dev/", 5))	if (line == entry->lines) {
3389	mdDev += 5;	entry->lines = line->next;
3390		} else {
3391		prev = entry->lines;
3392		while (prev->next != line)
3393		prev = prev->next;
3394		prev->next = line->next;
3395		}
3396
3397	if ((fd = open("/proc/mdstat", O_RDONLY)) < 0) {	free(line);
3398	fprintf(stderr, _("grubby: failed to open /proc/mdstat: %s\n"),	}
	strerror(errno));
	return 2;
	}
3399
3400	rc = read(fd, buf, sizeof(buf) - 1);	static void requote(struct singleLine *tmplLine, struct configFileInfo *cfi)
3401	if (rc < 0 || rc == (sizeof(buf) - 1)) {	{
3402	fprintf(stderr, _("grubby: failed to read /proc/mdstat: %s\n"),	struct singleLine newLine = {
3403	strerror(errno));	.indent = tmplLine->indent,
3404	close(fd);	.type = tmplLine->type,
3405	return 2;	.next = tmplLine->next,
3406	}	};
3407	close(fd);	int firstQuotedItem = -1;
3408	buf[rc] = '\0';	int quoteLen = 0;
3409		int j;
3410		int element = 0;
3411		char *c;
3412
3413	chptr = buf;	c = malloc(strlen(tmplLine->elements[0].item) + 1);
3414	while (*chptr) {	strcpy(c, tmplLine->elements[0].item);
3415	end = strchr(chptr, '\n');	insertElement(&newLine, c, element++, cfi);
3416	if (!end) break;	free(c);
3417	*end = '\0';	c = NULL;
3418
3419		for (j = 1; j < tmplLine->numElements; j++) {
3420		if (firstQuotedItem == -1) {
3421		quoteLen += strlen(tmplLine->elements[j].item);
3422
3423		if (isquote(tmplLine->elements[j].item[0])) {
3424		firstQuotedItem = j;
3425		quoteLen +=
3426		strlen(tmplLine->elements[j].indent);
3427		} else {
3428		c = malloc(quoteLen + 1);
3429		strcpy(c, tmplLine->elements[j].item);
3430		insertElement(&newLine, c, element++, cfi);
3431		free(c);
3432		quoteLen = 0;
3433		}
3434		} else {
3435		int itemlen = strlen(tmplLine->elements[j].item);
3436		quoteLen += itemlen;
3437		quoteLen += strlen(tmplLine->elements[j].indent);
3438
3439		if (isquote(tmplLine->elements[j].item[itemlen - 1])) {
3440		c = malloc(quoteLen + 1);
3441		c[0] = '\0';
3442		for (int i = firstQuotedItem; i < j + 1; i++) {
3443		strcat(c, tmplLine->elements[i].item);
3444		strcat(c, tmplLine->elements[i].indent);
3445		}
3446		insertElement(&newLine, c, element++, cfi);
3447		free(c);
3448
3449		firstQuotedItem = -1;
3450		quoteLen = 0;
3451		}
3452		}
3453		}
3454		while (tmplLine->numElements)
3455		removeElement(tmplLine, 0);
3456		if (tmplLine->elements)
3457		free(tmplLine->elements);
3458
3459		tmplLine->numElements = newLine.numElements;
3460		tmplLine->elements = newLine.elements;
3461		}
3462
3463	if (!strncmp(chptr, mdDev, strlen(mdDev)) &&	static void insertElement(struct singleLine *line,
3464	chptr[strlen(mdDev)] == ' ') {	const char *item, int insertHere,
3465		struct configFileInfo *cfi)
3466		{
3467		struct keywordTypes *kw;
3468		char indent[2] = "";
3469
3470	/* found the device */	/* sanity check */
3471	while (*chptr && *chptr != ':') chptr++;	if (insertHere > line->numElements) {
3472	chptr++;	dbgPrintf
3473	while (*chptr && isspace(*chptr)) chptr++;	("insertElement() adjusting insertHere from %d to %d\n",
3474		insertHere, line->numElements);
3475	/* skip the "active" bit */	insertHere = line->numElements;
3476	while (*chptr && !isspace(*chptr)) chptr++;	}
3477	while (*chptr && isspace(*chptr)) chptr++;
3478		line->elements = realloc(line->elements, (line->numElements + 1) *
3479	/* skip the raid level */	sizeof(*line->elements));
3480	while (*chptr && !isspace(*chptr)) chptr++;	memmove(&line->elements[insertHere + 1],
3481	while (*chptr && isspace(*chptr)) chptr++;	&line->elements[insertHere],
3482		(line->numElements - insertHere) * sizeof(*line->elements));
3483	/* everything else is partition stuff */	line->elements[insertHere].item = strdup(item);
3484	while (*chptr) {
3485	chptr2 = chptr;	kw = getKeywordByType(line->type, cfi);
3486	while (*chptr2 && *chptr2 != '[') chptr2++;
3487	if (!*chptr2) break;	if (line->numElements == 0) {
3488		indent[0] = '\0';
3489	/* yank off the numbers at the end */	} else if (insertHere == 0) {
3490	chptr2--;	indent[0] = kw->nextChar;
3491	while (isdigit(*chptr2) && chptr2 > chptr) chptr2--;	} else if (kw->separatorChar != '\0') {
3492	chptr2++;	indent[0] = kw->separatorChar;
3493	*chptr2 = '\0';	} else {
3494		indent[0] = ' ';
3495	/* 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++;
	}
3496
3497	/*  we're good to go */	if (insertHere > 0 && line->elements[insertHere - 1].indent[0] == '\0') {
3498	return 2;	/* move the end-of-line forward */
3499		line->elements[insertHere].indent =
3500		line->elements[insertHere - 1].indent;
3501		line->elements[insertHere - 1].indent = strdup(indent);
3502		} else {
3503		line->elements[insertHere].indent = strdup(indent);
3504	}	}
3505
3506	chptr = end + 1;	line->numElements++;
	}
3507
3508	fprintf(stderr,	dbgPrintf("insertElement(%s, '%s%s', %d)\n",
3509	_("grubby: raid device /dev/%s not found in /proc/mdstat\n"),	line->elements[0].item,
3510	mdDev);	line->elements[insertHere].item,
3511	return 0;	line->elements[insertHere].indent, insertHere);
3512	}	}
3513
3514	int checkForLilo(struct grubConfig * config) {	static void removeElement(struct singleLine *line, int removeHere)
3515	int fd;	{
3516	unsigned char boot[512];	int i;
	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;
	}
	if (line->numElements != 2) return 1;
3517
3518	fd = open("/boot/boot.b", O_RDONLY);	/* sanity check */
3519	if (fd < 0) {	if (removeHere >= line->numElements)
3520	fprintf(stderr, _("grubby: unable to open %s: %s\n"),	return;
	"/boot/boot.b", strerror(errno));
	return 1;
	}
3521
3522	if (read(fd, boot, 512) != 512) {	dbgPrintf("removeElement(%s, %d:%s)\n", line->elements[0].item,
3523	fprintf(stderr, _("grubby: unable to read %s: %s\n"),	removeHere, line->elements[removeHere].item);
	"/boot/boot.b", strerror(errno));
	return 1;
	}
	close(fd);
3524
3525	if (!strncmp("/dev/md", line->elements[1].item, 7))	free(line->elements[removeHere].item);
	return checkLiloOnRaid(line->elements[1].item, boot);
3526
3527	return checkDeviceBootloader(line->elements[1].item, boot);	if (removeHere > 1) {
3528	}	/* previous argument gets this argument's post-indentation */
3529		free(line->elements[removeHere - 1].indent);
3530		line->elements[removeHere - 1].indent =
3531		line->elements[removeHere].indent;
3532		} else {
3533		free(line->elements[removeHere].indent);
3534		}
3535
3536	int checkForGrub2(struct grubConfig * config) {	/* now collapse the array, but don't bother to realloc smaller */
3537	if (!access("/etc/grub.d/", R_OK))	for (i = removeHere; i < line->numElements - 1; i++)
3538	return 2;	line->elements[i] = line->elements[i + 1];
3539
3540	return 1;	line->numElements--;
3541	}	}
3542
3543	int checkForGrub(struct grubConfig * config) {	int argMatch(const char *one, const char *two)
3544	int fd;	{
3545	unsigned char bootSect[512];	char *first, *second;
3546	char * boot;	char *chptr;
	int onSuse = isSuseSystem();
	if (onSuse) {
	if (parseSuseGrubConf(NULL, &boot))
	return 0;
	} else {
	if (parseSysconfigGrub(NULL, &boot))
	return 0;
	}
	/* assume grub is not installed -- not an error condition */
	if (!boot)
	return 0;
3547
3548	fd = open("/boot/grub/stage1", O_RDONLY);	first = strcpy(alloca(strlen(one) + 1), one);
3549	if (fd < 0)	second = strcpy(alloca(strlen(two) + 1), two);
	/* this doesn't exist if grub hasn't been installed */
	return 0;
3550
3551	if (read(fd, bootSect, 512) != 512) {	chptr = strchr(first, '=');
3552	fprintf(stderr, _("grubby: unable to read %s: %s\n"),	if (chptr)
3553	"/boot/grub/stage1", strerror(errno));	*chptr = '\0';
	close(fd);
	return 1;
	}
	close(fd);
3554
3555	/* The more elaborate checks do not work on SuSE. The checks done	chptr = strchr(second, '=');
3556	* seem to be reasonble (at least for now), so just return success	if (chptr)
3557	*/	*chptr = '\0';
	if (onSuse)
	return 2;
3558
3559	return checkDeviceBootloader(boot, bootSect);	return strcmp(first, second);
3560	}	}
3561
3562	int checkForExtLinux(struct grubConfig * config) {	int updateActualImage(struct grubConfig *cfg, const char *image,
3563	int fd;	const char *prefix, const char *addArgs,
3564	unsigned char bootSect[512];	const char *removeArgs, int multibootArgs)
3565	char * boot;	{
3566	char executable[] = "/boot/extlinux/extlinux";	struct singleEntry *entry;
3567		struct singleLine *line, *rootLine;
3568		int index = 0;
3569		int i, k;
3570		const char **newArgs, **oldArgs;
3571		const char **arg;
3572		int useKernelArgs, useRoot;
3573		int firstElement;
3574		int *usedElements;
3575		int doreplace;
3576
3577	printf("entered: checkForExtLinux()\n");	if (!image)
3578		return 0;
3579
3580	if (parseSysconfigGrub(NULL, &boot))	if (!addArgs) {
3581	return 0;	newArgs = malloc(sizeof(*newArgs));
3582		*newArgs = NULL;
3583		} else {
3584		if (poptParseArgvString(addArgs, NULL, &newArgs)) {
3585		fprintf(stderr,
3586		_("grubby: error separating arguments '%s'\n"),
3587		addArgs);
3588		return 1;
3589		}
3590		}
3591
3592	/* assume grub is not installed -- not an error condition */	if (!removeArgs) {
3593	if (!boot)	oldArgs = malloc(sizeof(*oldArgs));
3594	return 0;	*oldArgs = NULL;
3595		} else {
3596		if (poptParseArgvString(removeArgs, NULL, &oldArgs)) {
3597		fprintf(stderr,
3598		_("grubby: error separating arguments '%s'\n"),
3599		removeArgs);
3600		free(newArgs);
3601		return 1;
3602		}
3603		}
3604
3605	fd = open(executable, O_RDONLY);	useKernelArgs = (getKeywordByType(LT_KERNELARGS, cfg->cfi)
3606	if (fd < 0)	&& (!multibootArgs || cfg->cfi->mbConcatArgs));
	/* this doesn't exist if grub hasn't been installed */
	return 0;
3607
3608	if (read(fd, bootSect, 512) != 512) {	useRoot = (getKeywordByType(LT_ROOT, cfg->cfi)
3609	fprintf(stderr, _("grubby: unable to read %s: %s\n"),	&& !multibootArgs);
	executable, strerror(errno));
	return 1;
	}
	close(fd);
3610
3611	return checkDeviceBootloader(boot, bootSect);	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
	}
3612
3613	int checkForYaboot(struct grubConfig * config) {	if (multibootArgs && !entry->multiboot)
3614	/*	continue;
	* This is a simplistic check that we consider good enough for own puporses
	*
	* If we were to properly check if yaboot is *installed* we'd need to:
	* 1) get the system boot device (LT_BOOT)
	* 2) considering it's a raw filesystem, check if the yaboot binary matches
	*    the content on the boot device
	* 3) if not, copy the binary to a temporary file and run "addnote" on it
	* 4) check again if binary and boot device contents match
	*/
	if (!access("/etc/yaboot.conf", R_OK))
	return 2;
3615
3616	return 1;	/* Determine where to put the args.  If this config supports
3617	}	* LT_KERNELARGS, use that.  Otherwise use
3618		* LT_HYPER/LT_KERNEL/LT_MBMODULE lines.
3619		*/
3620		if (useKernelArgs) {
3621		line = getLineByType(LT_KERNELARGS, entry->lines);
3622		if (!line) {
3623		/* no LT_KERNELARGS, need to add it */
3624		line = addLine(entry, cfg->cfi, LT_KERNELARGS,
3625		cfg->secondaryIndent, NULL);
3626		}
3627		firstElement = 1;
3628
3629	int checkForElilo(struct grubConfig * config) {	} else if (multibootArgs) {
3630	if (!access("/etc/elilo.conf", R_OK))	line = getLineByType(LT_HYPER, entry->lines);
3631	return 2;	if (!line) {
3632		/* a multiboot entry without LT_HYPER? */
3633		continue;
3634		}
3635		firstElement = 2;
3636
3637	return 1;	} else {
3638	}	line =
3639		getLineByType(LT_KERNEL | LT_MBMODULE |
3640		LT_KERNEL_EFI | LT_KERNEL_16,
3641		entry->lines);
3642		if (!line) {
3643		/* no LT_KERNEL or LT_MBMODULE in this entry? */
3644		continue;
3645		}
3646		firstElement = 2;
3647		}
3648
3649	static char * getRootSpecifier(char * str) {	/* handle the elilo case which does:
3650	char * idx, * rootspec = NULL;	*   append="hypervisor args -- kernel args"
3651		*/
3652		if (entry->multiboot && cfg->cfi->mbConcatArgs) {
3653		/* this is a multiboot entry, make sure there's
3654		* -- on the args line
3655		*/
3656		for (i = firstElement; i < line->numElements; i++) {
3657		if (!strcmp(line->elements[i].item, "--"))
3658		break;
3659		}
3660		if (i == line->numElements) {
3661		/* assume all existing args are kernel args,
3662		* prepend -- to make it official
3663		*/
3664		insertElement(line, "--", firstElement,
3665		cfg->cfi);
3666		i = firstElement;
3667		}
3668		if (!multibootArgs) {
3669		/* kernel args start after the -- */
3670		firstElement = i + 1;
3671		}
3672		} else if (cfg->cfi->mbConcatArgs) {
3673		/* this is a non-multiboot entry, remove hyper args */
3674		for (i = firstElement; i < line->numElements; i++) {
3675		if (!strcmp(line->elements[i].item, "--"))
3676		break;
3677		}
3678		if (i < line->numElements) {
3679		/* remove args up to -- */
3680		while (strcmp
3681		(line->elements[firstElement].item,
3682		"--"))
3683		removeElement(line, firstElement);
3684		/* remove -- */
3685		removeElement(line, firstElement);
3686		}
3687		}
3688
3689	if (*str == '(') {	usedElements = calloc(line->numElements, sizeof(*usedElements));
	idx = rootspec = strdup(str);
	while(*idx && (*idx != ')') && (!isspace(*idx))) idx++;
	*(++idx) = '\0';
	}
	return rootspec;
	}
3690
3691	static char * getInitrdVal(struct grubConfig * config,	for (k = 0, arg = newArgs; *arg; arg++, k++) {
	const char * prefix, struct singleLine *tmplLine,
	const char * newKernelInitrd,
	const char ** extraInitrds, int extraInitrdCount)
	{
	char *initrdVal, *end;
	int i;
	size_t totalSize;
	size_t prefixLen;
	char separatorChar;
	prefixLen = strlen(prefix);
	totalSize = strlen(newKernelInitrd) - prefixLen + 1 /* \0 */;
	for (i = 0; i < extraInitrdCount; i++) {
	totalSize += sizeof(separatorChar);
	totalSize += strlen(extraInitrds[i]) - prefixLen;
	}
3692
3693	initrdVal = end = malloc(totalSize);	doreplace = 1;
3694		for (i = firstElement; i < line->numElements; i++) {
3695		if (multibootArgs && cfg->cfi->mbConcatArgs &&
3696		!strcmp(line->elements[i].item, "--")) {
3697		/* reached the end of hyper args, insert here */
3698		doreplace = 0;
3699		break;
3700		}
3701		if (usedElements[i])
3702		continue;
3703		if (!argMatch(line->elements[i].item, *arg)) {
3704		usedElements[i] = 1;
3705		break;
3706		}
3707		}
3708
3709	end = stpcpy (end, newKernelInitrd + prefixLen);	if (i < line->numElements && doreplace) {
3710		/* direct replacement */
3711		free(line->elements[i].item);
3712		line->elements[i].item = strdup(*arg);
3713
3714		} else if (useRoot && !strncmp(*arg, "root=/dev/", 10)) {
3715		/* root= replacement */
3716		rootLine = getLineByType(LT_ROOT, entry->lines);
3717		if (rootLine) {
3718		free(rootLine->elements[1].item);
3719		rootLine->elements[1].item =
3720		strdup(*arg + 5);
3721		} else {
3722		rootLine =
3723		addLine(entry, cfg->cfi, LT_ROOT,
3724		cfg->secondaryIndent,
3725		*arg + 5);
3726		}
3727		}
3728
3729	separatorChar = getKeywordByType(LT_INITRD, config->cfi)->separatorChar;	else {
3730	for (i = 0; i < extraInitrdCount; i++) {	/* insert/append */
3731	const char *extraInitrd;	insertElement(line, *arg, i, cfg->cfi);
3732	int j;	usedElements =
3733		realloc(usedElements,
3734		line->numElements *
3735		sizeof(*usedElements));
3736		memmove(&usedElements[i + 1], &usedElements[i],
3737		line->numElements - i - 1);
3738		usedElements[i] = 1;
3739
3740		/* if we updated a root= here even though
3741		* there is a LT_ROOT available we need to
3742		* remove the LT_ROOT entry (this will happen
3743		* if we switch from a device to a label) */
3744		if (useRoot && !strncmp(*arg, "root=", 5)) {
3745		rootLine =
3746		getLineByType(LT_ROOT,
3747		entry->lines);
3748		if (rootLine)
3749		removeLine(entry, rootLine);
3750		}
3751		}
3752		}
3753
3754		free(usedElements);
3755
3756	extraInitrd = extraInitrds[i] + prefixLen;	for (arg = oldArgs; *arg; arg++) {
3757	/* Don't add entries that are already there */	for (i = firstElement; i < line->numElements; i++) {
3758	if (tmplLine != NULL) {	if (multibootArgs && cfg->cfi->mbConcatArgs &&
3759	for (j = 2; j < tmplLine->numElements; j++)	!strcmp(line->elements[i].item, "--"))
3760	if (strcmp(extraInitrd, tmplLine->elements[j].item) == 0)	/* reached the end of hyper args, stop here */
3761	break;	break;
3762		if (!argMatch(line->elements[i].item, *arg)) {
3763		removeElement(line, i);
3764		break;
3765		}
3766		}
3767		/* handle removing LT_ROOT line too */
3768		if (useRoot && !strncmp(*arg, "root=", 5)) {
3769		rootLine = getLineByType(LT_ROOT, entry->lines);
3770		if (rootLine)
3771		removeLine(entry, rootLine);
3772		}
3773		}
3774
3775	if (j != tmplLine->numElements)	if (line->numElements == 1) {
3776	continue;	/* don't need the line at all (note it has to be a
3777		LT_KERNELARGS for this to happen */
3778		removeLine(entry, line);
3779		}
3780	}	}
3781
3782	*end++ = separatorChar;	free(newArgs);
3783	end = stpcpy(end, extraInitrd);	free(oldArgs);
	}
3784
3785	return initrdVal;	return 0;
3786	}	}
3787
3788	int addNewKernel(struct grubConfig * config, struct singleEntry * template,	int updateImage(struct grubConfig *cfg, const char *image,
3789	const char * prefix,	const char *prefix, const char *addArgs,
3790	const char * newKernelPath, const char * newKernelTitle,	const char *removeArgs,
3791	const char * newKernelArgs, const char * newKernelInitrd,	const char *addMBArgs, const char *removeMBArgs)
3792	const char ** extraInitrds, int extraInitrdCount,	{
3793	const char * newMBKernel, const char * newMBKernelArgs,	int rc = 0;
	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;
	sprintf(buf, "TITLE=%.*s", config->cfi->maxTitleLength, newKernelTitle);
	while (findEntryByPath(config, buf, NULL, NULL)) {
	sprintf(numBuf, "%d", i++);
	strcpy(buf + strlen(buf) - strlen(numBuf), numBuf);
	}
3794
3795	newKernelTitle = buf + 6;	if (!image)
3796	}	return rc;
3797
3798	new = malloc(sizeof(*new));	/* update the main args first... */
3799	new->skip = 0;	if (addArgs || removeArgs)
3800	new->multiboot = 0;	rc = updateActualImage(cfg, image, prefix, addArgs, removeArgs,
3801	new->next = config->entries;	0);
3802	new->lines = NULL;	if (rc)
3803	config->entries = new;	return rc;
3804
3805	/* copy/update from the template */	/* and now any multiboot args */
3806	needs = NEED_KERNEL | NEED_TITLE;	if (addMBArgs || removeMBArgs)
3807	if (newKernelInitrd)	rc = updateActualImage(cfg, image, prefix, addMBArgs,
3808	needs |= NEED_INITRD;	removeMBArgs, 1);
3809	if (newMBKernel) {	return rc;
3810	needs |= NEED_MB;	}
3811	new->multiboot = 1;
3812	}	int addMBInitrd(struct grubConfig *cfg, const char *newMBKernel,
3813	if (newDevTreePath && getKeywordByType(LT_DEVTREE, config->cfi))	const char *image, const char *prefix, const char *initrd,
3814	needs |= NEED_DEVTREE;	const char *title)
3815		{
3816		struct singleEntry *entry;
3817		struct singleLine *line, *kernelLine, *endLine = NULL;
3818		int index = 0;
3819
3820	if (template) {	if (!image)
3821	for (masterLine = template->lines;	return 0;
	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);
	}
	}
3822
3823	} else {	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
3824	/* don't have a template, so start the entry with the	kernelLine = getLineByType(LT_MBMODULE, entry->lines);
3825	* appropriate starting line	if (!kernelLine)
3826	*/	continue;
	switch (config->cfi->entryStart) {
	case LT_KERNEL:
	case LT_KERNEL_EFI:
	case LT_KERNEL_16:
	if (new->multiboot && config->cfi->mbHyperFirst) {
	/* fall through to LT_HYPER */
	} else {
	newLine = addLine(new, config->cfi,
	preferredLineType(LT_KERNEL, config->cfi),
	config->primaryIndent,
	newKernelPath + strlen(prefix));
	needs &= ~NEED_KERNEL;
	break;
	}
3827
3828	case LT_HYPER:	/* if title is supplied, the entry's title must match it. */
3829	newLine = addLine(new, config->cfi, LT_HYPER,	if (title) {
3830	config->primaryIndent,	char *linetitle;
	newMBKernel + strlen(prefix));
	needs &= ~NEED_MB;
	break;
3831
3832	case LT_MENUENTRY: {	line =
3833	char *nkt = malloc(strlen(newKernelTitle)+3);	getLineByType(LT_TITLE | LT_MENUENTRY,
3834	strcpy(nkt, "'");	entry->lines);
3835	strcat(nkt, newKernelTitle);	if (!line)
3836	strcat(nkt, "'");	continue;
3837	newLine = addLine(new, config->cfi, LT_MENUENTRY,
3838	config->primaryIndent, nkt);	linetitle = extractTitle(cfg, line);
3839	free(nkt);	if (!linetitle)
3840	needs &= ~NEED_TITLE;	continue;
3841	needs |= NEED_END;	if (strcmp(title, linetitle)) {
3842	break;	free(linetitle);
3843	}	continue;
	case LT_TITLE:
	if( useextlinuxmenu != 0 ){ // We just need useextlinuxmenu to not be zero (set above)
	char * templabel;
	int x = 0, y = 0;
	templabel = strdup(newKernelTitle);
	while( templabel[x]){
	if( templabel[x] == ' ' ){
	y = x;
	while( templabel[y] ){
	templabel[y] = templabel[y+1];
	y++;
	}
	}
	x++;
3844	}	}
3845	newLine = addLine(new, config->cfi, LT_TITLE,	free(linetitle);
	config->primaryIndent, templabel);
	free(templabel);
	}else{
	newLine = addLine(new, config->cfi, LT_TITLE,
	config->primaryIndent, newKernelTitle);
3846	}	}
	needs &= ~NEED_TITLE;
	break;
3847
3848	default:	if (prefix) {
3849	abort();	int prefixLen = strlen(prefix);
3850		if (!strncmp(initrd, prefix, prefixLen))
3851		initrd += prefixLen;
3852		}
3853		endLine = getLineByType(LT_ENTRY_END, entry->lines);
3854		if (endLine)
3855		removeLine(entry, endLine);
3856		line =
3857		addLine(entry, cfg->cfi,
3858		preferredLineType(LT_MBMODULE, cfg->cfi),
3859		kernelLine->indent, initrd);
3860		if (!line)
3861		return 1;
3862		if (endLine) {
3863		line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL);
3864		if (!line)
3865		return 1;
3866		}
3867
3868		break;
3869	}	}
	}
3870
3871	struct singleLine *endLine = NULL;	return 0;
3872	endLine = getLineByType(LT_ENTRY_END, new->lines);	}
	if (endLine) {
	removeLine(new, endLine);
	needs |= NEED_END;
	}
3873
3874	/* add the remainder of the lines, i.e. those that either	int updateInitrd(struct grubConfig *cfg, const char *image,
3875	* weren't present in the template, or in the case of no template,	const char *prefix, const char *initrd, const char *title)
3876	* all the lines following the entryStart.	{
3877	*/	struct singleEntry *entry;
3878	if (needs & NEED_TITLE) {	struct singleLine *line, *kernelLine, *endLine = NULL;
3879	newLine = addLine(new, config->cfi, LT_TITLE,	int index = 0;
	config->secondaryIndent,
	newKernelTitle);
	needs &= ~NEED_TITLE;
	}
	if ((needs & NEED_MB) && config->cfi->mbHyperFirst) {
	newLine = addLine(new, config->cfi, LT_HYPER,
	config->secondaryIndent,
	newMBKernel + strlen(prefix));
	needs &= ~NEED_MB;
	}
	if (needs & NEED_KERNEL) {
	newLine = addLine(new, config->cfi,
	(new->multiboot && getKeywordByType(LT_MBMODULE,
	config->cfi))
	? LT_MBMODULE
	: preferredLineType(LT_KERNEL, config->cfi),
	config->secondaryIndent,
	newKernelPath + strlen(prefix));
	needs &= ~NEED_KERNEL;
	}
	if (needs & NEED_MB) {
	newLine = addLine(new, config->cfi, LT_HYPER,
	config->secondaryIndent,
	newMBKernel + strlen(prefix));
	needs &= ~NEED_MB;
	}
	if (needs & NEED_INITRD) {
	char *initrdVal;
	initrdVal = getInitrdVal(config, prefix, NULL, newKernelInitrd, extraInitrds, extraInitrdCount);
	newLine = addLine(new, config->cfi,
	(new->multiboot && getKeywordByType(LT_MBMODULE,
	config->cfi))
	? LT_MBMODULE
	: preferredLineType(LT_INITRD, config->cfi),
	config->secondaryIndent,
	initrdVal);
	free(initrdVal);
	needs &= ~NEED_INITRD;
	}
	if (needs & NEED_DEVTREE) {
	newLine = addLine(new, config->cfi, LT_DEVTREE,
	config->secondaryIndent,
	newDevTreePath);
	needs &= ~NEED_DEVTREE;
	}
3880
3881	/* NEEDS_END must be last on bootloaders that need it... */	if (!image)
3882	if (needs & NEED_END) {	return 0;
	newLine = addLine(new, config->cfi, LT_ENTRY_END,
	config->secondaryIndent, NULL);
	needs &= ~NEED_END;
	}
3883
3884	if (needs) {	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
3885	printf(_("grubby: needs=%d, aborting\n"), needs);	kernelLine =
3886	abort();	getLineByType(LT_KERNEL | LT_KERNEL_EFI | LT_KERNEL_16,
3887	}	entry->lines);
3888		if (!kernelLine)
3889		continue;
3890
3891	if (updateImage(config, "0", prefix, newKernelArgs, NULL,	/* if title is supplied, the entry's title must match it. */
3892	newMBKernelArgs, NULL)) return 1;	if (title) {
3893		char *linetitle;
3894
3895	return 0;	line =
3896	}	getLineByType(LT_TITLE | LT_MENUENTRY,
3897		entry->lines);
3898		if (!line)
3899		continue;
3900
3901		linetitle = extractTitle(cfg, line);
3902		if (!linetitle)
3903		continue;
3904		if (strcmp(title, linetitle)) {
3905		free(linetitle);
3906		continue;
3907		}
3908		free(linetitle);
3909		}
3910
3911	int main(int argc, const char ** argv) {	line =
3912	poptContext optCon;	getLineByType(LT_INITRD | LT_INITRD_EFI | LT_INITRD_16,
3913	const char * grubConfig = NULL;	entry->lines);
3914	char * outputFile = NULL;	if (line)
3915	int arg = 0;	removeLine(entry, line);
3916	int flags = 0;	if (prefix) {
3917	int badImageOkay = 0;	int prefixLen = strlen(prefix);
3918	int configureGrub2 = 0;	if (!strncmp(initrd, prefix, prefixLen))
3919	int configureLilo = 0, configureELilo = 0, configureGrub = 0;	initrd += prefixLen;
3920	int configureYaboot = 0, configureSilo = 0, configureZipl = 0;	}
3921	int configureExtLinux = 0;	endLine = getLineByType(LT_ENTRY_END, entry->lines);
3922	int bootloaderProbe = 0;	if (endLine)
3923	int extraInitrdCount = 0;	removeLine(entry, endLine);
3924	char * updateKernelPath = NULL;	enum lineType_e lt;
3925	char * newKernelPath = NULL;	switch (kernelLine->type) {
3926	char * removeKernelPath = NULL;	case LT_KERNEL:
3927	char * newKernelArgs = NULL;	lt = LT_INITRD;
3928	char * newKernelInitrd = NULL;	break;
3929	char * newKernelTitle = NULL;	case LT_KERNEL_EFI:
3930	char * newDevTreePath = NULL;	lt = LT_INITRD_EFI;
3931	char * newMBKernel = NULL;	break;
3932	char * newMBKernelArgs = NULL;	case LT_KERNEL_16:
3933	char * removeMBKernelArgs = NULL;	lt = LT_INITRD_16;
3934	char * removeMBKernel = NULL;	break;
3935	char * bootPrefix = NULL;	default:
3936	char * defaultKernel = NULL;	lt = preferredLineType(LT_INITRD, cfg->cfi);
3937	char * removeArgs = NULL;	}
3938	char * kernelInfo = NULL;	line = addLine(entry, cfg->cfi, lt, kernelLine->indent, initrd);
3939	char * extraInitrds[MAX_EXTRA_INITRDS] = { NULL };	if (!line)
3940	char * envPath = NULL;	return 1;
3941	const char * chptr = NULL;	if (endLine) {
3942	struct configFileInfo * cfi = NULL;	line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL);
3943	struct grubConfig * config;	if (!line)
3944	struct singleEntry * template = NULL;	return 1;
3945	int copyDefault = 0, makeDefault = 0;	}
3946	int displayDefault = 0;
3947	int displayDefaultIndex = 0;	break;
3948	int displayDefaultTitle = 0;	}
	int defaultIndex = -1;
	struct poptOption options[] = {
	{ "add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0,
	_("add an entry for the specified kernel"), _("kernel-path") },
	{ "add-multiboot", 0, POPT_ARG_STRING, &newMBKernel, 0,
	_("add an entry for the specified multiboot kernel"), NULL },
	{ "args", 0, POPT_ARG_STRING, &newKernelArgs, 0,
	_("default arguments for the new kernel or new arguments for "
	"kernel being updated"), _("args") },
	{ "mbargs", 0, POPT_ARG_STRING, &newMBKernelArgs, 0,
	_("default arguments for the new multiboot kernel or "
	"new arguments for multiboot kernel being updated"), NULL },
	{ "bad-image-okay", 0, 0, &badImageOkay, 0,
	_("don't sanity check images in boot entries (for testing only)"),
	NULL },
	{ "boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0,
	_("filestystem which contains /boot directory (for testing only)"),
	_("bootfs") },
	#if defined(__i386__) || defined(__x86_64__) || defined (__powerpc64__) || defined (__ia64__)
	{ "bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0,
	_("check which bootloader is installed on boot sector") },
	#endif
	{ "config-file", 'c', POPT_ARG_STRING, &grubConfig, 0,
	_("path to grub config file to update (\"-\" for stdin)"),
	_("path") },
	{ "copy-default", 0, 0, &copyDefault, 0,
	_("use the default boot entry as a template for the new entry "
	"being added; if the default is not a linux image, or if "
	"the kernel referenced by the default image does not exist, "
	"the first linux entry whose kernel does exist is used as the "
	"template"), NULL },
	{ "debug", 0, 0, &debug, 0,
	_("print debugging information for failures") },
	{ "default-kernel", 0, 0, &displayDefault, 0,
	_("display the path of the default kernel") },
	{ "default-index", 0, 0, &displayDefaultIndex, 0,
	_("display the index of the default kernel") },
	{ "default-title", 0, 0, &displayDefaultTitle, 0,
	_("display the title of the default kernel") },
	{ "devtree", 0, POPT_ARG_STRING, &newDevTreePath, 0,
	_("device tree file for new stanza"), _("dtb-path") },
	{ "devtreedir", 0, POPT_ARG_STRING, &newDevTreePath, 0,
	_("device tree directory for new stanza"), _("dtb-path") },
	{ "elilo", 0, POPT_ARG_NONE, &configureELilo, 0,
	_("configure elilo bootloader") },
	{ "efi", 0, POPT_ARG_NONE, &isEfi, 0,
	_("force grub2 stanzas to use efi") },
	{ "env", 0, POPT_ARG_STRING, &envPath, 0,
	_("path for environment data"),
	_("path") },
	{ "extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0,
	_("configure extlinux bootloader (from syslinux)") },
	{ "grub", 0, POPT_ARG_NONE, &configureGrub, 0,
	_("configure grub bootloader") },
	{ "grub2", 0, POPT_ARG_NONE, &configureGrub2, 0,
	_("configure grub2 bootloader") },
	{ "info", 0, POPT_ARG_STRING, &kernelInfo, 0,
	_("display boot information for specified kernel"),
	_("kernel-path") },
	{ "initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0,
	_("initrd image for the new kernel"), _("initrd-path") },
	{ "extra-initrd", 'i', POPT_ARG_STRING, NULL, 'i',
	_("auxiliary initrd image for things other than the new kernel"), _("initrd-path") },
	{ "lilo", 0, POPT_ARG_NONE, &configureLilo, 0,
	_("configure lilo bootloader") },
	{ "make-default", 0, 0, &makeDefault, 0,
	_("make the newly added entry the default boot entry"), NULL },
	{ "output-file", 'o', POPT_ARG_STRING, &outputFile, 0,
	_("path to output updated config file (\"-\" for stdout)"),
	_("path") },
	{ "remove-args", 0, POPT_ARG_STRING, &removeArgs, 0,
	_("remove kernel arguments"), NULL },
	{ "remove-mbargs", 0, POPT_ARG_STRING, &removeMBKernelArgs, 0,
	_("remove multiboot kernel arguments"), NULL },
	{ "remove-kernel", 0, POPT_ARG_STRING, &removeKernelPath, 0,
	_("remove all entries for the specified kernel"),
	_("kernel-path") },
	{ "remove-multiboot", 0, POPT_ARG_STRING, &removeMBKernel, 0,
	_("remove all entries for the specified multiboot kernel"), NULL },
	{ "set-default", 0, POPT_ARG_STRING, &defaultKernel, 0,
	_("make the first entry referencing the specified kernel "
	"the default"), _("kernel-path") },
	{ "set-default-index", 0, POPT_ARG_INT, &defaultIndex, 0,
	_("make the given entry index the default entry"),
	_("entry-index") },
	{ "silo", 0, POPT_ARG_NONE, &configureSilo, 0,
	_("configure silo bootloader") },
	{ "title", 0, POPT_ARG_STRING, &newKernelTitle, 0,
	_("title to use for the new kernel entry"), _("entry-title") },
	{ "update-kernel", 0, POPT_ARG_STRING, &updateKernelPath, 0,
	_("updated information for the specified kernel"),
	_("kernel-path") },
	{ "version", 'v', 0, NULL, 'v',
	_("print the version of this program and exit"), NULL },
	{ "yaboot", 0, POPT_ARG_NONE, &configureYaboot, 0,
	_("configure yaboot bootloader") },
	{ "zipl", 0, POPT_ARG_NONE, &configureZipl, 0,
	_("configure zipl bootloader") },
	POPT_AUTOHELP
	{ 0, 0, 0, 0, 0 }
	};
	useextlinuxmenu=0;
	int i = 0;
	for (int j = 1; j < argc; j++)
	i += strlen(argv[j]) + 1;
	saved_command_line = malloc(i);
	if (!saved_command_line) {
	fprintf(stderr, "grubby: %m\n");
	exit(1);
	}
	saved_command_line[0] = '\0';
	for (int j = 1; j < argc; j++) {
	strcat(saved_command_line, argv[j]);
	strncat(saved_command_line, j == argc -1 ? "" : " ", 1);
	}
3949
3950	optCon = poptGetContext("grubby", argc, argv, options, 0);	return 0;
3951	poptReadDefaultConfig(optCon, 1);	}
3952
3953	while ((arg = poptGetNextOpt(optCon)) >= 0) {	int checkDeviceBootloader(const char *device, const unsigned char *boot)
3954	switch (arg) {	{
3955	case 'v':	int fd;
3956	printf("grubby version %s\n", VERSION);	unsigned char bootSect[512];
3957	exit(0);	int offset;
3958	break;
3959	case 'i':	fd = open(device, O_RDONLY);
3960	if (extraInitrdCount < MAX_EXTRA_INITRDS) {	if (fd < 0) {
3961	extraInitrds[extraInitrdCount++] = strdup(poptGetOptArg(optCon));	fprintf(stderr, _("grubby: unable to open %s: %s\n"),
3962	} else {	device, strerror(errno));
	fprintf(stderr, _("grubby: extra initrd maximum is %d\n"), extraInitrdCount);
3963	return 1;	return 1;
	}
	break;
3964	}	}
	}
3965
3966	if (arg < -1) {	if (read(fd, bootSect, 512) != 512) {
3967	fprintf(stderr, _("grubby: bad argument %s: %s\n"),	fprintf(stderr, _("grubby: unable to read %s: %s\n"),
3968	poptBadOption(optCon, POPT_BADOPTION_NOALIAS),	device, strerror(errno));
3969	poptStrerror(arg));	return 1;
3970	return 1;	}
3971	}	close(fd);
3972
3973	if ((chptr = poptGetArg(optCon))) {	/* first three bytes should match, a jmp short should be in there */
3974	fprintf(stderr, _("grubby: unexpected argument %s\n"), chptr);	if (memcmp(boot, bootSect, 3))
3975	return 1;	return 0;
	}
3976
3977	if ((configureLilo + configureGrub2 + configureGrub + configureELilo +	if (boot[1] == JMP_SHORT_OPCODE) {
3978	configureYaboot + configureSilo + configureZipl +	offset = boot[2] + 2;
3979	configureExtLinux ) > 1) {	} else if (boot[1] == 0xe8 || boot[1] == 0xe9) {
3980	fprintf(stderr, _("grubby: cannot specify multiple bootloaders\n"));	offset = (boot[3] << 8) + boot[2] + 2;
3981	return 1;	} else if (boot[0] == JMP_SHORT_OPCODE) {
3982	} else if (bootloaderProbe && grubConfig) {	offset = boot[1] + 2;
3983	fprintf(stderr,	/*
3984	_("grubby: cannot specify config file with --bootloader-probe\n"));	* it looks like grub, when copying stage1 into the mbr,
3985	return 1;	* patches stage1 right after the JMP location, replacing
3986	} else if (configureGrub2) {	* other instructions such as JMPs for NOOPs. So, relax the
3987	cfi = &grub2ConfigType;	* check a little bit by skipping those different bytes.
3988	if (envPath)	*/
3989	cfi->envFile = envPath;	if ((bootSect[offset + 1] == NOOP_OPCODE)
3990	} else if (configureLilo) {	&& (bootSect[offset + 2] == NOOP_OPCODE)) {
3991	cfi = &liloConfigType;	offset = offset + 3;
3992	} else if (configureGrub) {	}
3993	cfi = &grubConfigType;	} else if (boot[0] == 0xe8 || boot[0] == 0xe9) {
3994	} else if (configureELilo) {	offset = (boot[2] << 8) + boot[1] + 2;
3995	cfi = &eliloConfigType;	} else {
3996	} else if (configureYaboot) {	return 0;
3997	cfi = &yabootConfigType;	}
	} else if (configureSilo) {
	cfi = &siloConfigType;
	} else if (configureZipl) {
	cfi = &ziplConfigType;
	} else if (configureExtLinux) {
	cfi = &extlinuxConfigType;
	useextlinuxmenu=1;
	}
3998
3999	if (!cfi) {	if (memcmp(boot + offset, bootSect + offset, CODE_SEG_SIZE))
4000	if (grub2FindConfig(&grub2ConfigType)) {	return 0;
	cfi = &grub2ConfigType;
	if (envPath)
	cfi->envFile = envPath;
	} else
	#ifdef __ia64__
	cfi = &eliloConfigType;
	#elif __powerpc__
	cfi = &yabootConfigType;
	#elif __sparc__
	cfi = &siloConfigType;
	#elif __s390__
	cfi = &ziplConfigType;
	#elif __s390x__
	cfi = &ziplConfigtype;
	#else
	cfi = &grubConfigType;
	#endif
	}
4001
4002	if (!grubConfig) {	return 2;
4003	if (cfi->findConfig)	}
	grubConfig = cfi->findConfig(cfi);
	if (!grubConfig)
	grubConfig = cfi->defaultConfig;
	}
4004
4005	if (bootloaderProbe && (displayDefault || kernelInfo ||	int checkLiloOnRaid(char *mdDev, const unsigned char *boot)
4006	newKernelPath || removeKernelPath || makeDefault ||	{
4007	defaultKernel || displayDefaultIndex || displayDefaultTitle ||	int fd;
4008	(defaultIndex >= 0))) {	char buf[65536];
4009	fprintf(stderr, _("grubby: --bootloader-probe may not be used with "	char *end;
4010	"specified option"));	char *chptr;
4011	return 1;	char *chptr2;
4012	}	int rc;
4013
4014		/* it's on raid; we need to parse /proc/mdstat and check all of the
4015		*raw* devices listed in there */
4016
4017		if (!strncmp(mdDev, "/dev/", 5))
4018		mdDev += 5;
4019
4020		if ((fd = open("/proc/mdstat", O_RDONLY)) < 0) {
4021		fprintf(stderr, _("grubby: failed to open /proc/mdstat: %s\n"),
4022		strerror(errno));
4023		return 2;
4024		}
4025
4026		rc = read(fd, buf, sizeof(buf) - 1);
4027		if (rc < 0 || rc == (sizeof(buf) - 1)) {
4028		fprintf(stderr, _("grubby: failed to read /proc/mdstat: %s\n"),
4029		strerror(errno));
4030		close(fd);
4031		return 2;
4032		}
4033		close(fd);
4034		buf[rc] = '\0';
4035
4036	if ((displayDefault || kernelInfo) && (newKernelPath ||	chptr = buf;
4037	removeKernelPath)) {	while (*chptr) {
4038	fprintf(stderr, _("grubby: --default-kernel and --info may not "	end = strchr(chptr, '\n');
4039	"be used when adding or removing kernels\n"));	if (!end)
4040	return 1;	break;
4041	}	*end = '\0';
4042
4043	if (newKernelPath && !newKernelTitle) {	if (!strncmp(chptr, mdDev, strlen(mdDev)) &&
4044	fprintf(stderr, _("grubby: kernel title must be specified\n"));	chptr[strlen(mdDev)] == ' ') {
	return 1;
	} else if (!newKernelPath && (copyDefault ||
	(newKernelInitrd && !updateKernelPath)||
	makeDefault || extraInitrdCount > 0)) {
	fprintf(stderr, _("grubby: kernel path expected\n"));
	return 1;
	}
4045
4046	if (newKernelPath && updateKernelPath) {	/* found the device */
4047	fprintf(stderr, _("grubby: --add-kernel and --update-kernel may"	while (*chptr && *chptr != ':')
4048	"not be used together"));	chptr++;
4049	return 1;	chptr++;
4050	}	while (*chptr && isspace(*chptr))
4051		chptr++;
4052
4053		/* skip the "active" bit */
4054		while (*chptr && !isspace(*chptr))
4055		chptr++;
4056		while (*chptr && isspace(*chptr))
4057		chptr++;
4058
4059		/* skip the raid level */
4060		while (*chptr && !isspace(*chptr))
4061		chptr++;
4062		while (*chptr && isspace(*chptr))
4063		chptr++;
4064
4065		/* everything else is partition stuff */
4066		while (*chptr) {
4067		chptr2 = chptr;
4068		while (*chptr2 && *chptr2 != '[')
4069		chptr2++;
4070		if (!*chptr2)
4071		break;
4072
4073		/* yank off the numbers at the end */
4074		chptr2--;
4075		while (isdigit(*chptr2) && chptr2 > chptr)
4076		chptr2--;
4077		chptr2++;
4078		*chptr2 = '\0';
4079
4080		/* Better, now we need the /dev/ back. We're
4081		* done with everything before this point, so
4082		* we can just put the /dev/ part there.
4083		* There will always be room. */
4084		memcpy(chptr - 5, "/dev/", 5);
4085		rc = checkDeviceBootloader(chptr - 5, boot);
4086		if (rc != 2) {
4087		return rc;
4088		}
4089
4090		chptr = chptr2 + 1;
4091		/* skip the [11] bit */
4092		while (*chptr && !isspace(*chptr))
4093		chptr++;
4094		/* and move to the next one */
4095		while (*chptr && isspace(*chptr))
4096		chptr++;
4097		}
4098
4099		/*  we're good to go */
4100		return 2;
4101		}
4102
4103		chptr = end + 1;
4104		}
4105
4106		fprintf(stderr,
4107		_("grubby: raid device /dev/%s not found in /proc/mdstat\n"),
4108		mdDev);
4109		return 0;
4110		}
4111
4112		int checkForLilo(struct grubConfig *config)
4113		{
4114		int fd;
4115		unsigned char boot[512];
4116		struct singleLine *line;
4117
4118		for (line = config->theLines; line; line = line->next)
4119		if (line->type == LT_BOOT)
4120		break;
4121
4122		if (!line) {
4123		fprintf(stderr,
4124		_
4125		("grubby: no boot line found in lilo configuration\n"));
4126		return 1;
4127		}
4128
4129		if (line->numElements != 2)
4130		return 1;
4131
4132		fd = open("/boot/boot.b", O_RDONLY);
4133		if (fd < 0) {
4134		fprintf(stderr, _("grubby: unable to open %s: %s\n"),
4135		"/boot/boot.b", strerror(errno));
4136		return 1;
4137		}
4138
4139		if (read(fd, boot, 512) != 512) {
4140		fprintf(stderr, _("grubby: unable to read %s: %s\n"),
4141		"/boot/boot.b", strerror(errno));
4142		return 1;
4143		}
4144		close(fd);
4145
4146		if (!strncmp("/dev/md", line->elements[1].item, 7))
4147		return checkLiloOnRaid(line->elements[1].item, boot);
4148
4149		return checkDeviceBootloader(line->elements[1].item, boot);
4150		}
4151
4152		int checkForGrub2(struct grubConfig *config)
4153		{
4154		if (!access("/etc/grub.d/", R_OK))
4155		return 2;
4156
	if (makeDefault && defaultKernel) {
	fprintf(stderr, _("grubby: --make-default and --default-kernel "
	"may not be used together\n"));
	return 1;
	} else if (defaultKernel && removeKernelPath &&
	!strcmp(defaultKernel, removeKernelPath)) {
	fprintf(stderr, _("grubby: cannot make removed kernel the default\n"));
	return 1;
	} else if (defaultKernel && newKernelPath &&
	!strcmp(defaultKernel, newKernelPath)) {
	makeDefault = 1;
	defaultKernel = NULL;
	}
	else if (defaultKernel && (defaultIndex >= 0)) {
	fprintf(stderr, _("grubby: --set-default and --set-default-index "
	"may not be used together\n"));
4157	return 1;	return 1;
4158	}	}
4159
4160		int checkForGrub(struct grubConfig *config)
4161		{
4162		int fd;
4163		unsigned char bootSect[512];
4164		char *boot;
4165		int onSuse = isSuseSystem();
4166
4167		if (onSuse) {
4168		if (parseSuseGrubConf(NULL, &boot))
4169		return 0;
4170		} else {
4171		if (parseSysconfigGrub(NULL, &boot))
4172		return 0;
4173		}
4174
4175		/* assume grub is not installed -- not an error condition */
4176		if (!boot)
4177		return 0;
4178
4179		fd = open("/boot/grub/stage1", O_RDONLY);
4180		if (fd < 0)
4181		/* this doesn't exist if grub hasn't been installed */
4182		return 0;
4183
4184		if (read(fd, bootSect, 512) != 512) {
4185		fprintf(stderr, _("grubby: unable to read %s: %s\n"),
4186		"/boot/grub/stage1", strerror(errno));
4187		close(fd);
4188		return 1;
4189		}
4190		close(fd);
4191
4192		/* The more elaborate checks do not work on SuSE. The checks done
4193		* seem to be reasonble (at least for now), so just return success
4194		*/
4195		if (onSuse)
4196		return 2;
4197
4198		return checkDeviceBootloader(boot, bootSect);
4199		}
4200
4201		int checkForExtLinux(struct grubConfig *config)
4202		{
4203		int fd;
4204		unsigned char bootSect[512];
4205		char *boot;
4206		char executable[] = "/boot/extlinux/extlinux";
4207
4208		printf("entered: checkForExtLinux()\n");
4209
4210		if (parseSysconfigGrub(NULL, &boot))
4211		return 0;
4212
4213		/* assume grub is not installed -- not an error condition */
4214		if (!boot)
4215		return 0;
4216
4217		fd = open(executable, O_RDONLY);
4218		if (fd < 0)
4219		/* this doesn't exist if grub hasn't been installed */
4220		return 0;
4221
4222		if (read(fd, bootSect, 512) != 512) {
4223		fprintf(stderr, _("grubby: unable to read %s: %s\n"),
4224		executable, strerror(errno));
4225		return 1;
4226		}
4227		close(fd);
4228
4229		return checkDeviceBootloader(boot, bootSect);
4230		}
4231
4232		int checkForYaboot(struct grubConfig *config)
4233		{
4234		/*
4235		* This is a simplistic check that we consider good enough for own puporses
4236		*
4237		* If we were to properly check if yaboot is *installed* we'd need to:
4238		* 1) get the system boot device (LT_BOOT)
4239		* 2) considering it's a raw filesystem, check if the yaboot binary matches
4240		*    the content on the boot device
4241		* 3) if not, copy the binary to a temporary file and run "addnote" on it
4242		* 4) check again if binary and boot device contents match
4243		*/
4244		if (!access("/etc/yaboot.conf", R_OK))
4245		return 2;
4246
	if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) {
	fprintf(stderr, _("grubby: output file must be specified if stdin "
	"is used\n"));
4247	return 1;	return 1;
4248	}	}
4249
4250		int checkForElilo(struct grubConfig *config)
4251		{
4252		if (!access("/etc/elilo.conf", R_OK))
4253		return 2;
4254
	if (!removeKernelPath && !newKernelPath && !displayDefault && !defaultKernel
	&& !kernelInfo && !bootloaderProbe && !updateKernelPath
	&& !removeMBKernel && !displayDefaultIndex && !displayDefaultTitle
	&& (defaultIndex == -1)) {
	fprintf(stderr, _("grubby: no action specified\n"));
4255	return 1;	return 1;
4256	}	}
4257
4258		static char *getRootSpecifier(char *str)
4259		{
4260		char *idx, *rootspec = NULL;
4261
4262		if (*str == '(') {
4263		idx = rootspec = strdup(str);
4264		while (*idx && (*idx != ')') && (!isspace(*idx)))
4265		idx++;
4266		*(++idx) = '\0';
4267		}
4268		return rootspec;
4269		}
4270
4271		static char *getInitrdVal(struct grubConfig *config,
4272		const char *prefix, struct singleLine *tmplLine,
4273		const char *newKernelInitrd,
4274		const char **extraInitrds, int extraInitrdCount)
4275		{
4276		char *initrdVal, *end;
4277		int i;
4278		size_t totalSize;
4279		size_t prefixLen;
4280		char separatorChar;
4281
4282		prefixLen = strlen(prefix);
4283		totalSize = strlen(newKernelInitrd) - prefixLen + 1 /* \0 */ ;
4284
4285		for (i = 0; i < extraInitrdCount; i++) {
4286		totalSize += sizeof(separatorChar);
4287		totalSize += strlen(extraInitrds[i]) - prefixLen;
4288		}
4289
4290		initrdVal = end = malloc(totalSize);
4291
4292		end = stpcpy(end, newKernelInitrd + prefixLen);
4293
4294		separatorChar = getKeywordByType(LT_INITRD, config->cfi)->separatorChar;
4295		for (i = 0; i < extraInitrdCount; i++) {
4296		const char *extraInitrd;
4297		int j;
4298
4299		extraInitrd = extraInitrds[i] + prefixLen;
4300		/* Don't add entries that are already there */
4301		if (tmplLine != NULL) {
4302		for (j = 2; j < tmplLine->numElements; j++)
4303		if (strcmp
4304		(extraInitrd,
4305		tmplLine->elements[j].item) == 0)
4306		break;
4307
4308		if (j != tmplLine->numElements)
4309		continue;
4310		}
4311
4312		*end++ = separatorChar;
4313		end = stpcpy(end, extraInitrd);
4314		}
4315
4316		return initrdVal;
4317		}
4318
4319		int addNewKernel(struct grubConfig *config, struct singleEntry *template,
4320		const char *prefix,
4321		const char *newKernelPath, const char *newKernelTitle,
4322		const char *newKernelArgs, const char *newKernelInitrd,
4323		const char **extraInitrds, int extraInitrdCount,
4324		const char *newMBKernel, const char *newMBKernelArgs,
4325		const char *newDevTreePath, int newIndex)
4326		{
4327		struct singleEntry *new, *entry, *prev = NULL;
4328		struct singleLine *newLine = NULL, *tmplLine = NULL, *masterLine = NULL;
4329		int needs;
4330		char *indexs;
4331		char *chptr;
4332		int rc;
4333
4334		if (!newKernelPath)
4335		return 0;
4336
4337		rc = asprintf(&indexs, "%d", newIndex);
4338		if (rc < 0)
4339		return 1;
4340
4341		/* if the newKernelTitle is too long silently munge it into something
4342		* we can live with. truncating is first check, then we'll just mess with
4343		* it until it looks better */
4344		if (config->cfi->maxTitleLength &&
4345		(strlen(newKernelTitle) > config->cfi->maxTitleLength)) {
4346		char *buf = alloca(config->cfi->maxTitleLength + 7);
4347		char *numBuf = alloca(config->cfi->maxTitleLength + 1);
4348		int i = 1;
4349
4350		sprintf(buf, "TITLE=%.*s", config->cfi->maxTitleLength,
4351		newKernelTitle);
4352		while (findEntryByPath(config, buf, NULL, NULL)) {
4353		sprintf(numBuf, "%d", i++);
4354		strcpy(buf + strlen(buf) - strlen(numBuf), numBuf);
4355		}
4356
4357		newKernelTitle = buf + 6;
4358		}
4359
4360		new = malloc(sizeof(*new));
4361		new->skip = 0;
4362		new->multiboot = 0;
4363		new->lines = NULL;
4364		entry = config->entries;
4365		for (unsigned int i = 0; i < newIndex; i++) {
4366		if (!entry)
4367		break;
4368		prev = entry;
4369		entry = entry->next;
4370		}
4371		new->next = entry;
4372
4373		if (prev)
4374		prev->next = new;
4375		else
4376		config->entries = new;
4377
4378		/* copy/update from the template */
4379		needs = NEED_KERNEL | NEED_TITLE;
4380		if (newKernelInitrd)
4381		needs |= NEED_INITRD;
4382		if (newMBKernel) {
4383		needs |= NEED_MB;
4384		new->multiboot = 1;
4385		}
4386		if (newDevTreePath && getKeywordByType(LT_DEVTREE, config->cfi))
4387		needs |= NEED_DEVTREE;
4388
4389		if (template) {
4390		for (masterLine = template->lines;
4391		masterLine && (tmplLine = lineDup(masterLine));
4392		lineFree(tmplLine), masterLine = masterLine->next) {
4393		dbgPrintf("addNewKernel processing %d\n",
4394		tmplLine->type);
4395
4396		/* skip comments */
4397		chptr = tmplLine->indent;
4398		while (*chptr && isspace(*chptr))
4399		chptr++;
4400		if (*chptr == '#')
4401		continue;
4402
4403		if (iskernel(tmplLine->type)
4404		&& tmplLine->numElements >= 2) {
4405		if (!template->multiboot && (needs & NEED_MB)) {
4406		/* it's not a multiboot template and
4407		* this is the kernel line.  Try to
4408		* be intelligent about inserting the
4409		* hypervisor at the same time.
4410		*/
4411		if (config->cfi->mbHyperFirst) {
4412		/* insert the hypervisor first */
4413		newLine =
4414		addLine(new, config->cfi,
4415		LT_HYPER,
4416		tmplLine->indent,
4417		newMBKernel +
4418		strlen(prefix));
4419		/* set up for adding the
4420		* kernel line */
4421		free(tmplLine->indent);
4422		tmplLine->indent =
4423		strdup(config->
4424		secondaryIndent);
4425		needs &= ~NEED_MB;
4426		}
4427		if (needs & NEED_KERNEL) {
4428		/* use addLineTmpl to
4429		* preserve line elements,
4430		* otherwise we could just
4431		* call addLine.
4432		* Unfortunately this means
4433		* making some changes to the
4434		* template such as the
4435		* indent change above and
4436		* the type change below.
4437		*/
4438		struct keywordTypes *mbm_kw =
4439		getKeywordByType
4440		(LT_MBMODULE, config->cfi);
4441		if (mbm_kw) {
4442		tmplLine->type =
4443		LT_MBMODULE;
4444		free(tmplLine->
4445		elements[0].item);
4446		tmplLine->elements[0].
4447		item =
4448		strdup(mbm_kw->key);
4449		}
4450		newLine =
4451		addLineTmpl(new, tmplLine,
4452		newLine,
4453		newKernelPath +
4454		strlen(prefix),
4455		config->cfi);
4456		needs &= ~NEED_KERNEL;
4457		}
4458		if (needs & NEED_MB) { /* !mbHyperFirst */
4459		newLine =
4460		addLine(new, config->cfi,
4461		LT_HYPER,
4462		config->
4463		secondaryIndent,
4464		newMBKernel +
4465		strlen(prefix));
4466		needs &= ~NEED_MB;
4467		}
4468		} else if (needs & NEED_KERNEL) {
4469		newLine =
4470		addLineTmpl(new, tmplLine, newLine,
4471		newKernelPath +
4472		strlen(prefix),
4473		config->cfi);
4474		needs &= ~NEED_KERNEL;
4475		}
4476
4477		} else if (tmplLine->type == LT_HYPER &&
4478		tmplLine->numElements >= 2) {
4479		if (needs & NEED_MB) {
4480		newLine =
4481		addLineTmpl(new, tmplLine, newLine,
4482		newMBKernel +
4483		strlen(prefix),
4484		config->cfi);
4485		needs &= ~NEED_MB;
4486		}
4487
4488	flags |= badImageOkay ? GRUBBY_BADIMAGE_OKAY : 0;	} else if (tmplLine->type == LT_MBMODULE &&
4489		tmplLine->numElements >= 2) {
4490		if (new->multiboot) {
4491		if (needs & NEED_KERNEL) {
4492		newLine =
4493		addLineTmpl(new, tmplLine,
4494		newLine,
4495		newKernelPath +
4496		strlen(prefix),
4497		config->cfi);
4498		needs &= ~NEED_KERNEL;
4499		} else if (config->cfi->mbInitRdIsModule
4500		&& (needs & NEED_INITRD)) {
4501		char *initrdVal;
4502		initrdVal =
4503		getInitrdVal(config, prefix,
4504		tmplLine,
4505		newKernelInitrd,
4506		extraInitrds,
4507		extraInitrdCount);
4508		newLine =
4509		addLineTmpl(new, tmplLine,
4510		newLine,
4511		initrdVal,
4512		config->cfi);
4513		free(initrdVal);
4514		needs &= ~NEED_INITRD;
4515		}
4516		} else if (needs & NEED_KERNEL) {
4517		/* template is multi but new is not,
4518		* insert the kernel in the first
4519		* module slot
4520		*/
4521		tmplLine->type =
4522		preferredLineType(LT_KERNEL,
4523		config->cfi);
4524		free(tmplLine->elements[0].item);
4525		tmplLine->elements[0].item =
4526		strdup(getKeywordByType
4527		(tmplLine->type,
4528		config->cfi)->key);
4529		newLine =
4530		addLineTmpl(new, tmplLine, newLine,
4531		newKernelPath +
4532		strlen(prefix),
4533		config->cfi);
4534		needs &= ~NEED_KERNEL;
4535		} else if (needs & NEED_INITRD) {
4536		char *initrdVal;
4537		/* template is multi but new is not,
4538		* insert the initrd in the second
4539		* module slot
4540		*/
4541		tmplLine->type =
4542		preferredLineType(LT_INITRD,
4543		config->cfi);
4544		free(tmplLine->elements[0].item);
4545		tmplLine->elements[0].item =
4546		strdup(getKeywordByType
4547		(tmplLine->type,
4548		config->cfi)->key);
4549		initrdVal =
4550		getInitrdVal(config, prefix,
4551		tmplLine,
4552		newKernelInitrd,
4553		extraInitrds,
4554		extraInitrdCount);
4555		newLine =
4556		addLineTmpl(new, tmplLine, newLine,
4557		initrdVal, config->cfi);
4558		free(initrdVal);
4559		needs &= ~NEED_INITRD;
4560		}
4561
4562		} else if (isinitrd(tmplLine->type)
4563		&& tmplLine->numElements >= 2) {
4564		if (needs & NEED_INITRD && new->multiboot
4565		&& !template->multiboot
4566		&& config->cfi->mbInitRdIsModule) {
4567		/* make sure we don't insert the
4568		* module initrd before the module
4569		* kernel... if we don't do it here,
4570		* it will be inserted following the
4571		* template.
4572		*/
4573		if (!needs & NEED_KERNEL) {
4574		char *initrdVal;
4575
4576		initrdVal =
4577		getInitrdVal(config, prefix,
4578		tmplLine,
4579		newKernelInitrd,
4580		extraInitrds,
4581		extraInitrdCount);
4582		newLine =
4583		addLine(new, config->cfi,
4584		LT_MBMODULE,
4585		config->
4586		secondaryIndent,
4587		initrdVal);
4588		free(initrdVal);
4589		needs &= ~NEED_INITRD;
4590		}
4591		} else if (needs & NEED_INITRD) {
4592		char *initrdVal;
4593		initrdVal =
4594		getInitrdVal(config, prefix,
4595		tmplLine,
4596		newKernelInitrd,
4597		extraInitrds,
4598		extraInitrdCount);
4599		newLine =
4600		addLineTmpl(new, tmplLine, newLine,
4601		initrdVal, config->cfi);
4602		free(initrdVal);
4603		needs &= ~NEED_INITRD;
4604		}
4605
4606		} else if (tmplLine->type == LT_MENUENTRY &&
4607		(needs & NEED_TITLE)) {
4608		requote(tmplLine, config->cfi);
4609		char *nkt = malloc(strlen(newKernelTitle) + 3);
4610		strcpy(nkt, "'");
4611		strcat(nkt, newKernelTitle);
4612		strcat(nkt, "'");
4613		newLine =
4614		addLineTmpl(new, tmplLine, newLine, nkt,
4615		config->cfi);
4616		free(nkt);
4617		needs &= ~NEED_TITLE;
4618		} else if (tmplLine->type == LT_TITLE &&
4619		(needs & NEED_TITLE)) {
4620		if (tmplLine->numElements >= 2) {
4621		newLine =
4622		addLineTmpl(new, tmplLine, newLine,
4623		newKernelTitle,
4624		config->cfi);
4625		needs &= ~NEED_TITLE;
4626		} else if (tmplLine->numElements == 1 &&
4627		config->cfi->titleBracketed) {
4628		/* addLineTmpl doesn't handle
4629		* titleBracketed */
4630		newLine =
4631		addLine(new, config->cfi, LT_TITLE,
4632		tmplLine->indent,
4633		newKernelTitle);
4634		needs &= ~NEED_TITLE;
4635		}
4636		} else if (tmplLine->type == LT_ECHO) {
4637		requote(tmplLine, config->cfi);
4638		static const char *prefix = "'Loading ";
4639		if (tmplLine->numElements > 1 &&
4640		strstr(tmplLine->elements[1].item, prefix)
4641		&& masterLine->next
4642		&& iskernel(masterLine->next->type)) {
4643		char *newTitle =
4644		malloc(strlen(prefix) +
4645		strlen(newKernelTitle) + 2);
4646
4647		strcpy(newTitle, prefix);
4648		strcat(newTitle, newKernelTitle);
4649		strcat(newTitle, "'");
4650		newLine =
4651		addLine(new, config->cfi, LT_ECHO,
4652		tmplLine->indent, newTitle);
4653		free(newTitle);
4654		} else {
4655		/* pass through other lines from the
4656		* template */
4657		newLine =
4658		addLineTmpl(new, tmplLine, newLine,
4659		NULL, config->cfi);
4660		}
4661		} else if (tmplLine->type == LT_DEVTREE &&
4662		tmplLine->numElements == 2
4663		&& newDevTreePath) {
4664		newLine =
4665		addLineTmpl(new, tmplLine, newLine,
4666		newDevTreePath + strlen(prefix),
4667		config->cfi);
4668		needs &= ~NEED_DEVTREE;
4669		} else if (tmplLine->type == LT_ENTRY_END
4670		&& needs & NEED_DEVTREE) {
4671		const char *ndtp = newDevTreePath;
4672		if (!strncmp
4673		(newDevTreePath, prefix, strlen(prefix)))
4674		ndtp += strlen(prefix);
4675		newLine = addLine(new, config->cfi, LT_DEVTREE,
4676		config->secondaryIndent,
4677		ndtp);
4678		needs &= ~NEED_DEVTREE;
4679		newLine =
4680		addLineTmpl(new, tmplLine, newLine, NULL,
4681		config->cfi);
4682		} else {
4683		/* pass through other lines from the template */
4684		newLine =
4685		addLineTmpl(new, tmplLine, newLine, NULL,
4686		config->cfi);
4687		}
4688		}
4689
	if (cfi->needsBootPrefix) {
	if (!bootPrefix) {
	bootPrefix = findBootPrefix();
	if (!bootPrefix) return 1;
4690	} else {	} else {
4691	/* this shouldn't end with a / */	/* don't have a template, so start the entry with the
4692	if (bootPrefix[strlen(bootPrefix) - 1] == '/')	* appropriate starting line
4693	bootPrefix[strlen(bootPrefix) - 1] = '\0';	*/
4694		switch (config->cfi->entryStart) {
4695		case LT_KERNEL:
4696		case LT_KERNEL_EFI:
4697		case LT_KERNEL_16:
4698		if (new->multiboot && config->cfi->mbHyperFirst) {
4699		/* fall through to LT_HYPER */
4700		} else {
4701		newLine = addLine(new, config->cfi,
4702		preferredLineType(LT_KERNEL,
4703		config->
4704		cfi),
4705		config->primaryIndent,
4706		newKernelPath +
4707		strlen(prefix));
4708		needs &= ~NEED_KERNEL;
4709		break;
4710		}
4711
4712		case LT_HYPER:
4713		newLine = addLine(new, config->cfi, LT_HYPER,
4714		config->primaryIndent,
4715		newMBKernel + strlen(prefix));
4716		needs &= ~NEED_MB;
4717		break;
4718
4719		case LT_MENUENTRY:{
4720		char *nkt = malloc(strlen(newKernelTitle) + 3);
4721		strcpy(nkt, "'");
4722		strcat(nkt, newKernelTitle);
4723		strcat(nkt, "'");
4724		newLine =
4725		addLine(new, config->cfi, LT_MENUENTRY,
4726		config->primaryIndent, nkt);
4727		free(nkt);
4728		needs &= ~NEED_TITLE;
4729		needs |= NEED_END;
4730		break;
4731		}
4732		case LT_TITLE:
4733		if (useextlinuxmenu != 0) { // We just need useextlinuxmenu to not be zero (set above)
4734		char *templabel;
4735		int x = 0, y = 0;
4736
4737		templabel = strdup(newKernelTitle);
4738		while (templabel[x]) {
4739		if (templabel[x] == ' ') {
4740		y = x;
4741		while (templabel[y]) {
4742		templabel[y] =
4743		templabel[y + 1];
4744		y++;
4745		}
4746		}
4747		x++;
4748		}
4749		newLine = addLine(new, config->cfi, LT_TITLE,
4750		config->primaryIndent,
4751		templabel);
4752		free(templabel);
4753		} else {
4754		newLine = addLine(new, config->cfi, LT_TITLE,
4755		config->primaryIndent,
4756		newKernelTitle);
4757		}
4758		needs &= ~NEED_TITLE;
4759		break;
4760
4761		default:
4762		abort();
4763		}
4764	}	}
	} else {
	bootPrefix = "";
	}
4765
4766	if (!cfi->mbAllowExtraInitRds &&	struct singleLine *endLine = NULL;
4767	extraInitrdCount > 0) {	endLine = getLineByType(LT_ENTRY_END, new->lines);
4768	fprintf(stderr, _("grubby: %s doesn't allow multiple initrds\n"), cfi->defaultConfig);	if (endLine) {
4769	return 1;	removeLine(new, endLine);
4770	}	needs |= NEED_END;
4771		}
4772
4773		/* add the remainder of the lines, i.e. those that either
4774		* weren't present in the template, or in the case of no template,
4775		* all the lines following the entryStart.
4776		*/
4777		if (needs & NEED_TITLE) {
4778		newLine = addLine(new, config->cfi, LT_TITLE,
4779		config->secondaryIndent, newKernelTitle);
4780		needs &= ~NEED_TITLE;
4781		}
4782		if ((needs & NEED_MB) && config->cfi->mbHyperFirst) {
4783		newLine = addLine(new, config->cfi, LT_HYPER,
4784		config->secondaryIndent,
4785		newMBKernel + strlen(prefix));
4786		needs &= ~NEED_MB;
4787		}
4788		if (needs & NEED_KERNEL) {
4789		newLine = addLine(new, config->cfi,
4790		(new->multiboot
4791		&& getKeywordByType(LT_MBMODULE,
4792		config->cfi))
4793		? LT_MBMODULE : preferredLineType(LT_KERNEL,
4794		config->
4795		cfi),
4796		config->secondaryIndent,
4797		newKernelPath + strlen(prefix));
4798		needs &= ~NEED_KERNEL;
4799		}
4800		if (needs & NEED_MB) {
4801		newLine = addLine(new, config->cfi, LT_HYPER,
4802		config->secondaryIndent,
4803		newMBKernel + strlen(prefix));
4804		needs &= ~NEED_MB;
4805		}
4806		if (needs & NEED_INITRD) {
4807		char *initrdVal;
4808		initrdVal =
4809		getInitrdVal(config, prefix, NULL, newKernelInitrd,
4810		extraInitrds, extraInitrdCount);
4811		newLine =
4812		addLine(new, config->cfi,
4813		(new->multiboot
4814		&& getKeywordByType(LT_MBMODULE, config->cfi))
4815		? LT_MBMODULE : preferredLineType(LT_INITRD,
4816		config->cfi),
4817		config->secondaryIndent, initrdVal);
4818		free(initrdVal);
4819		needs &= ~NEED_INITRD;
4820		}
4821		if (needs & NEED_DEVTREE) {
4822		newLine = addLine(new, config->cfi, LT_DEVTREE,
4823		config->secondaryIndent, newDevTreePath);
4824		needs &= ~NEED_DEVTREE;
4825		}
4826
4827		/* NEEDS_END must be last on bootloaders that need it... */
4828		if (needs & NEED_END) {
4829		newLine = addLine(new, config->cfi, LT_ENTRY_END,
4830		config->secondaryIndent, NULL);
4831		needs &= ~NEED_END;
4832		}
4833
4834		if (needs) {
4835		printf(_("grubby: needs=%d, aborting\n"), needs);
4836		abort();
4837		}
4838
4839	if (bootloaderProbe) {	if (updateImage(config, indexs, prefix, newKernelArgs, NULL,
4840	int lrc = 0, grc = 0, gr2c = 0, extrc = 0, yrc = 0, erc = 0;	newMBKernelArgs, NULL)) {
4841	struct grubConfig * lconfig, * gconfig, * yconfig, * econfig;	config->isModified = 1;
4842		return 1;
4843	const char *grub2config = grub2FindConfig(&grub2ConfigType);	}
	if (grub2config) {
	gconfig = readConfig(grub2config, &grub2ConfigType);
	if (!gconfig)
	gr2c = 1;
	else
	gr2c = checkForGrub2(gconfig);
	}
	const char *grubconfig = grubFindConfig(&grubConfigType);
	if (!access(grubconfig, F_OK)) {
	gconfig = readConfig(grubconfig, &grubConfigType);
	if (!gconfig)
	grc = 1;
	else
	grc = checkForGrub(gconfig);
	}
	if (!access(liloConfigType.defaultConfig, F_OK)) {
	lconfig = readConfig(liloConfigType.defaultConfig, &liloConfigType);
	if (!lconfig)
	lrc = 1;
	else
	lrc = checkForLilo(lconfig);
	}
	if (!access(eliloConfigType.defaultConfig, F_OK)) {
	econfig = readConfig(eliloConfigType.defaultConfig,
	&eliloConfigType);
	if (!econfig)
	erc = 1;
	else
	erc = checkForElilo(econfig);
	}
	if (!access(extlinuxConfigType.defaultConfig, F_OK)) {
	lconfig = readConfig(extlinuxConfigType.defaultConfig, &extlinuxConfigType);
	if (!lconfig)
	extrc = 1;
	else
	extrc = checkForExtLinux(lconfig);
	}
	if (!access(yabootConfigType.defaultConfig, F_OK)) {
	yconfig = readConfig(yabootConfigType.defaultConfig,
	&yabootConfigType);
	if (!yconfig)
	yrc = 1;
	else
	yrc = checkForYaboot(yconfig);
	}
	if (lrc == 1 || grc == 1 || gr2c == 1 || extrc == 1 || yrc == 1 ||
	erc == 1)
	return 1;
	if (lrc == 2) printf("lilo\n");
	if (gr2c == 2) printf("grub2\n");
	if (grc == 2) printf("grub\n");
	if (extrc == 2) printf("extlinux\n");
	if (yrc == 2) printf("yaboot\n");
	if (erc == 2) printf("elilo\n");
4844
4845	return 0;	return 0;
4846	}	}
4847
4848	if (grubConfig == NULL) {	int main(int argc, const char **argv)
4849	printf("Could not find bootloader configuration file.\n");	{
4850	exit(1);	poptContext optCon;
4851	}	const char *grubConfig = NULL;
4852		char *outputFile = NULL;
4853		int arg = 0;
4854		int flags = 0;
4855		int badImageOkay = 0;
4856		int configureGrub2 = 0;
4857		int configureLilo = 0, configureELilo = 0, configureGrub = 0;
4858		int configureYaboot = 0, configureSilo = 0, configureZipl = 0;
4859		int configureExtLinux = 0;
4860		int bootloaderProbe = 0;
4861		int extraInitrdCount = 0;
4862		char *updateKernelPath = NULL;
4863		char *newKernelPath = NULL;
4864		char *removeKernelPath = NULL;
4865		char *newKernelArgs = NULL;
4866		char *newKernelInitrd = NULL;
4867		char *newKernelTitle = NULL;
4868		char *newDevTreePath = NULL;
4869		char *newMBKernel = NULL;
4870		char *newMBKernelArgs = NULL;
4871		int newIndex = 0;
4872		char *removeMBKernelArgs = NULL;
4873		char *removeMBKernel = NULL;
4874		char *bootPrefix = NULL;
4875		char *defaultKernel = NULL;
4876		char *removeArgs = NULL;
4877		char *kernelInfo = NULL;
4878		char *extraInitrds[MAX_EXTRA_INITRDS] = { NULL };
4879		char *envPath = NULL;
4880		const char *chptr = NULL;
4881		struct configFileInfo *cfi = NULL;
4882		struct grubConfig *config;
4883		struct singleEntry *template = NULL;
4884		int copyDefault = 0, makeDefault = 0;
4885		int displayDefault = 0;
4886		int displayDefaultIndex = 0;
4887		int displayDefaultTitle = 0;
4888		int defaultIndex = -1;
4889		struct poptOption options[] = {
4890		{"add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0,
4891		_("add an entry for the specified kernel"), _("kernel-path")},
4892		{"add-multiboot", 0, POPT_ARG_STRING, &newMBKernel, 0,
4893		_("add an entry for the specified multiboot kernel"), NULL},
4894		{"args", 0, POPT_ARG_STRING, &newKernelArgs, 0,
4895		_("default arguments for the new kernel or new arguments for "
4896		"kernel being updated"), _("args")},
4897		{"mbargs", 0, POPT_ARG_STRING, &newMBKernelArgs, 0,
4898		_("default arguments for the new multiboot kernel or "
4899		"new arguments for multiboot kernel being updated"), NULL},
4900		{"bad-image-okay", 0, 0, &badImageOkay, 0,
4901		_
4902		("don't sanity check images in boot entries (for testing only)"),
4903		NULL},
4904		{"boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0,
4905		_
4906		("filesystem which contains /boot directory (for testing only)"),
4907		_("bootfs")},
4908		#if defined(__i386__) || defined(__x86_64__) || defined (__powerpc64__) || defined (__ia64__)
4909		{"bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0,
4910		_("check which bootloader is installed on boot sector")},
4911		#endif
4912		{"config-file", 'c', POPT_ARG_STRING, &grubConfig, 0,
4913		_("path to grub config file to update (\"-\" for stdin)"),
4914		_("path")},
4915		{"copy-default", 0, 0, &copyDefault, 0,
4916		_("use the default boot entry as a template for the new entry "
4917		"being added; if the default is not a linux image, or if "
4918		"the kernel referenced by the default image does not exist, "
4919		"the first linux entry whose kernel does exist is used as the "
4920		"template"), NULL},
4921		{"debug", 0, 0, &debug, 0,
4922		_("print debugging information for failures")},
4923		{"default-kernel", 0, 0, &displayDefault, 0,
4924		_("display the path of the default kernel")},
4925		{"default-index", 0, 0, &displayDefaultIndex, 0,
4926		_("display the index of the default kernel")},
4927		{"default-title", 0, 0, &displayDefaultTitle, 0,
4928		_("display the title of the default kernel")},
4929		{"devtree", 0, POPT_ARG_STRING, &newDevTreePath, 0,
4930		_("device tree file for new stanza"), _("dtb-path")},
4931		{"devtreedir", 0, POPT_ARG_STRING, &newDevTreePath, 0,
4932		_("device tree directory for new stanza"), _("dtb-path")},
4933		{"elilo", 0, POPT_ARG_NONE, &configureELilo, 0,
4934		_("configure elilo bootloader")},
4935		{"efi", 0, POPT_ARG_NONE, &isEfi, 0,
4936		_("force grub2 stanzas to use efi")},
4937		{"env", 0, POPT_ARG_STRING, &envPath, 0,
4938		_("path for environment data"),
4939		_("path")},
4940		{"extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0,
4941		_("configure extlinux bootloader (from syslinux)")},
4942		{"grub", 0, POPT_ARG_NONE, &configureGrub, 0,
4943		_("configure grub bootloader")},
4944		{"grub2", 0, POPT_ARG_NONE, &configureGrub2, 0,
4945		_("configure grub2 bootloader")},
4946		{"info", 0, POPT_ARG_STRING, &kernelInfo, 0,
4947		_("display boot information for specified kernel"),
4948		_("kernel-path")},
4949		{"initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0,
4950		_("initrd image for the new kernel"), _("initrd-path")},
4951		{"extra-initrd", 'i', POPT_ARG_STRING, NULL, 'i',
4952		_
4953		("auxiliary initrd image for things other than the new kernel"),
4954		_("initrd-path")},
4955		{"lilo", 0, POPT_ARG_NONE, &configureLilo, 0,
4956		_("configure lilo bootloader")},
4957		{"make-default", 0, 0, &makeDefault, 0,
4958		_("make the newly added entry the default boot entry"), NULL},
4959		{"output-file", 'o', POPT_ARG_STRING, &outputFile, 0,
4960		_("path to output updated config file (\"-\" for stdout)"),
4961		_("path")},
4962		{"remove-args", 0, POPT_ARG_STRING, &removeArgs, 0,
4963		_("remove kernel arguments"), NULL},
4964		{"remove-mbargs", 0, POPT_ARG_STRING, &removeMBKernelArgs, 0,
4965		_("remove multiboot kernel arguments"), NULL},
4966		{"remove-kernel", 0, POPT_ARG_STRING, &removeKernelPath, 0,
4967		_("remove all entries for the specified kernel"),
4968		_("kernel-path")},
4969		{"remove-multiboot", 0, POPT_ARG_STRING, &removeMBKernel, 0,
4970		_("remove all entries for the specified multiboot kernel"),
4971		NULL},
4972		{"set-default", 0, POPT_ARG_STRING, &defaultKernel, 0,
4973		_("make the first entry referencing the specified kernel "
4974		"the default"), _("kernel-path")},
4975		{"set-default-index", 0, POPT_ARG_INT, &defaultIndex, 0,
4976		_("make the given entry index the default entry"),
4977		_("entry-index")},
4978		{"set-index", 0, POPT_ARG_INT, &newIndex, 0,
4979		_("use the given index when creating a new entry"),
4980		_("entry-index")},
4981		{"silo", 0, POPT_ARG_NONE, &configureSilo, 0,
4982		_("configure silo bootloader")},
4983		{"title", 0, POPT_ARG_STRING, &newKernelTitle, 0,
4984		_("title to use for the new kernel entry"), _("entry-title")},
4985		{"update-kernel", 0, POPT_ARG_STRING, &updateKernelPath, 0,
4986		_("updated information for the specified kernel"),
4987		_("kernel-path")},
4988		{"version", 'v', 0, NULL, 'v',
4989		_("print the version of this program and exit"), NULL},
4990		{"yaboot", 0, POPT_ARG_NONE, &configureYaboot, 0,
4991		_("configure yaboot bootloader")},
4992		{"zipl", 0, POPT_ARG_NONE, &configureZipl, 0,
4993		_("configure zipl bootloader")},
4994		POPT_AUTOHELP {0, 0, 0, 0, 0}
4995		};
4996
4997		useextlinuxmenu = 0;
4998
4999		int i = 0;
5000		for (int j = 1; j < argc; j++)
5001		i += strlen(argv[j]) + 1;
5002		saved_command_line = malloc(i);
5003		if (!saved_command_line) {
5004		fprintf(stderr, "grubby: %m\n");
5005		exit(1);
5006		}
5007		saved_command_line[0] = '\0';
5008		for (int j = 1; j < argc; j++) {
5009		strcat(saved_command_line, argv[j]);
5010		strncat(saved_command_line, j == argc - 1 ? "" : " ", 1);
5011		}
5012
5013		optCon = poptGetContext("grubby", argc, argv, options, 0);
5014		poptReadDefaultConfig(optCon, 1);
5015
5016		while ((arg = poptGetNextOpt(optCon)) >= 0) {
5017		switch (arg) {
5018		case 'v':
5019		printf("grubby version %s\n", VERSION);
5020		exit(0);
5021		break;
5022		case 'i':
5023		if (extraInitrdCount < MAX_EXTRA_INITRDS) {
5024		extraInitrds[extraInitrdCount++] =
5025		strdup(poptGetOptArg(optCon));
5026		} else {
5027		fprintf(stderr,
5028		_
5029		("grubby: extra initrd maximum is %d\n"),
5030		extraInitrdCount);
5031		return 1;
5032		}
5033		break;
5034		}
5035		}
5036
5037		if (arg < -1) {
5038		fprintf(stderr, _("grubby: bad argument %s: %s\n"),
5039		poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
5040		poptStrerror(arg));
5041		return 1;
5042		}
5043
5044		if ((chptr = poptGetArg(optCon))) {
5045		fprintf(stderr, _("grubby: unexpected argument %s\n"), chptr);
5046		return 1;
5047		}
5048
5049		if ((configureLilo + configureGrub2 + configureGrub + configureELilo +
5050		configureYaboot + configureSilo + configureZipl +
5051		configureExtLinux) > 1) {
5052		fprintf(stderr,
5053		_("grubby: cannot specify multiple bootloaders\n"));
5054		return 1;
5055		} else if (bootloaderProbe && grubConfig) {
5056		fprintf(stderr,
5057		_
5058		("grubby: cannot specify config file with --bootloader-probe\n"));
5059		return 1;
5060		} else if (configureGrub2) {
5061		cfi = &grub2ConfigType;
5062		if (envPath)
5063		cfi->envFile = envPath;
5064		} else if (configureLilo) {
5065		cfi = &liloConfigType;
5066		} else if (configureGrub) {
5067		cfi = &grubConfigType;
5068		} else if (configureELilo) {
5069		cfi = &eliloConfigType;
5070		} else if (configureYaboot) {
5071		cfi = &yabootConfigType;
5072		} else if (configureSilo) {
5073		cfi = &siloConfigType;
5074		} else if (configureZipl) {
5075		cfi = &ziplConfigType;
5076		} else if (configureExtLinux) {
5077		cfi = &extlinuxConfigType;
5078		useextlinuxmenu = 1;
5079		}
5080
5081		if (!cfi) {
5082		if (grub2FindConfig(&grub2ConfigType)) {
5083		cfi = &grub2ConfigType;
5084		if (envPath)
5085		cfi->envFile = envPath;
5086		} else
5087		#ifdef __ia64__
5088		cfi = &eliloConfigType;
5089		#elif __powerpc__
5090		cfi = &yabootConfigType;
5091		#elif __sparc__
5092		cfi = &siloConfigType;
5093		#elif __s390__
5094		cfi = &ziplConfigType;
5095		#elif __s390x__
5096		cfi = &ziplConfigtype;
5097		#else
5098		cfi = &grubConfigType;
5099		#endif
5100		}
5101
5102	config = readConfig(grubConfig, cfi);	if (!grubConfig) {
5103	if (!config) return 1;	if (cfi->findConfig)
5104		grubConfig = cfi->findConfig(cfi);
5105		if (!grubConfig)
5106		grubConfig = cfi->defaultConfig;
5107		}
5108
5109	if (displayDefault) {	if (bootloaderProbe && (displayDefault || kernelInfo ||
5110	struct singleLine * line;	newKernelPath || removeKernelPath || makeDefault
5111	struct singleEntry * entry;	|| defaultKernel || displayDefaultIndex
5112	char * rootspec;	|| displayDefaultTitle
5113		|| (defaultIndex >= 0))) {
5114	if (config->defaultImage == -1) return 0;	fprintf(stderr,
5115	if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&	_("grubby: --bootloader-probe may not be used with "
5116	cfi->defaultIsSaved)	"specified option"));
5117	config->defaultImage = 0;	return 1;
5118	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));
5119
5120	return 0;	if ((displayDefault || kernelInfo) && (newKernelPath ||
5121		removeKernelPath)) {
5122		fprintf(stderr, _("grubby: --default-kernel and --info may not "
5123		"be used when adding or removing kernels\n"));
5124		return 1;
5125		}
5126
5127		if (newKernelPath && !newKernelTitle) {
5128		fprintf(stderr, _("grubby: kernel title must be specified\n"));
5129		return 1;
5130		} else if (!newKernelPath && (copyDefault ||
5131		(newKernelInitrd && !updateKernelPath) ||
5132		makeDefault || extraInitrdCount > 0)) {
5133		fprintf(stderr, _("grubby: kernel path expected\n"));
5134		return 1;
5135		}
5136
5137		if (newKernelPath && updateKernelPath) {
5138		fprintf(stderr, _("grubby: --add-kernel and --update-kernel may"
5139		"not be used together"));
5140		return 1;
5141		}
5142
5143		if (makeDefault && defaultKernel) {
5144		fprintf(stderr, _("grubby: --make-default and --default-kernel "
5145		"may not be used together\n"));
5146		return 1;
5147		} else if (defaultKernel && removeKernelPath &&
5148		!strcmp(defaultKernel, removeKernelPath)) {
5149		fprintf(stderr,
5150		_("grubby: cannot make removed kernel the default\n"));
5151		return 1;
5152		} else if (defaultKernel && newKernelPath &&
5153		!strcmp(defaultKernel, newKernelPath)) {
5154		makeDefault = 1;
5155		defaultKernel = NULL;
5156		} else if (defaultKernel && (defaultIndex >= 0)) {
5157		fprintf(stderr,
5158		_("grubby: --set-default and --set-default-index "
5159		"may not be used together\n"));
5160		return 1;
5161		}
5162
5163		if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) {
5164		fprintf(stderr,
5165		_("grubby: output file must be specified if stdin "
5166		"is used\n"));
5167		return 1;
5168		}
5169
5170		if (!removeKernelPath && !newKernelPath && !displayDefault
5171		&& !defaultKernel && !kernelInfo && !bootloaderProbe
5172		&& !updateKernelPath && !removeMBKernel && !displayDefaultIndex
5173		&& !displayDefaultTitle && (defaultIndex == -1)) {
5174		fprintf(stderr, _("grubby: no action specified\n"));
5175		return 1;
5176		}
5177
5178		flags |= badImageOkay ? GRUBBY_BADIMAGE_OKAY : 0;
5179
5180		if (cfi->needsBootPrefix) {
5181		if (!bootPrefix) {
5182		bootPrefix = findBootPrefix();
5183		if (!bootPrefix)
5184		return 1;
5185		} else {
5186		/* this shouldn't end with a / */
5187		if (bootPrefix[strlen(bootPrefix) - 1] == '/')
5188		bootPrefix[strlen(bootPrefix) - 1] = '\0';
5189		}
5190		} else {
5191		bootPrefix = "";
5192		}
5193
5194		if (!cfi->mbAllowExtraInitRds && extraInitrdCount > 0) {
5195		fprintf(stderr,
5196		_("grubby: %s doesn't allow multiple initrds\n"),
5197		cfi->defaultConfig);
5198		return 1;
5199		}
5200
5201		if (bootloaderProbe) {
5202		int lrc = 0, grc = 0, gr2c = 0, extrc = 0, yrc = 0, erc = 0;
5203		struct grubConfig *lconfig, *gconfig, *yconfig, *econfig;
5204
5205		const char *grub2config = grub2FindConfig(&grub2ConfigType);
5206		if (grub2config) {
5207		gconfig = readConfig(grub2config, &grub2ConfigType);
5208		if (!gconfig)
5209		gr2c = 1;
5210		else
5211		gr2c = checkForGrub2(gconfig);
5212		}
5213
5214		const char *grubconfig = grubFindConfig(&grubConfigType);
5215		if (!access(grubconfig, F_OK)) {
5216		gconfig = readConfig(grubconfig, &grubConfigType);
5217		if (!gconfig)
5218		grc = 1;
5219		else
5220		grc = checkForGrub(gconfig);
5221		}
5222
5223		if (!access(liloConfigType.defaultConfig, F_OK)) {
5224		lconfig =
5225		readConfig(liloConfigType.defaultConfig,
5226		&liloConfigType);
5227		if (!lconfig)
5228		lrc = 1;
5229		else
5230		lrc = checkForLilo(lconfig);
5231		}
5232
5233		if (!access(eliloConfigType.defaultConfig, F_OK)) {
5234		econfig = readConfig(eliloConfigType.defaultConfig,
5235		&eliloConfigType);
5236		if (!econfig)
5237		erc = 1;
5238		else
5239		erc = checkForElilo(econfig);
5240		}
5241
5242		if (!access(extlinuxConfigType.defaultConfig, F_OK)) {
5243		lconfig =
5244		readConfig(extlinuxConfigType.defaultConfig,
5245		&extlinuxConfigType);
5246		if (!lconfig)
5247		extrc = 1;
5248		else
5249		extrc = checkForExtLinux(lconfig);
5250		}
5251
5252		if (!access(yabootConfigType.defaultConfig, F_OK)) {
5253		yconfig = readConfig(yabootConfigType.defaultConfig,
5254		&yabootConfigType);
5255		if (!yconfig)
5256		yrc = 1;
5257		else
5258		yrc = checkForYaboot(yconfig);
5259		}
5260
5261		if (lrc == 1 || grc == 1 || gr2c == 1 || extrc == 1 || yrc == 1
5262		|| erc == 1)
5263		return 1;
5264
5265		if (lrc == 2)
5266		printf("lilo\n");
5267		if (gr2c == 2)
5268		printf("grub2\n");
5269		if (grc == 2)
5270		printf("grub\n");
5271		if (extrc == 2)
5272		printf("extlinux\n");
5273		if (yrc == 2)
5274		printf("yaboot\n");
5275		if (erc == 2)
5276		printf("elilo\n");
5277
	} 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)
5278	return 0;	return 0;
5279		}
5280
5281		if (grubConfig == NULL) {
5282		printf("Could not find bootloader configuration file.\n");
5283		exit(1);
5284		}
5285
5286		config = readConfig(grubConfig, cfi);
5287		if (!config)
5288		return 1;
5289
5290		if (displayDefault) {
5291		struct singleLine *line;
5292		struct singleEntry *entry;
5293		char *rootspec;
5294
5295		if (config->defaultImage == NO_DEFAULT_ENTRY)
5296		return 0;
5297		if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
5298		cfi->defaultIsSaved)
5299		config->defaultImage = FIRST_ENTRY_INDEX;
5300		entry = findEntryByIndex(config, config->defaultImage);
5301		if (!entry)
5302		return 0;
5303		if (!suitableImage(entry, bootPrefix, 0, flags))
5304		return 0;
5305
5306		line =
5307		getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI |
5308		LT_KERNEL_16, entry->lines);
5309		if (!line)
5310		return 0;
5311
5312		rootspec = getRootSpecifier(line->elements[1].item);
5313		printf("%s%s\n", bootPrefix, line->elements[1].item +
5314		((rootspec != NULL) ? strlen(rootspec) : 0));
5315
	if (!configureGrub2) {
	char *title;
	line = getLineByType(LT_TITLE, entry->lines);
	if (!line)
5316	return 0;	return 0;
5317	title = extractTitle(config, line);
5318	if (!title)	} else if (displayDefaultTitle) {
5319		struct singleLine *line;
5320		struct singleEntry *entry;
5321
5322		if (config->defaultImage == NO_DEFAULT_ENTRY)
5323		return 0;
5324		if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
5325		cfi->defaultIsSaved)
5326		config->defaultImage = FIRST_ENTRY_INDEX;
5327		entry = findEntryByIndex(config, config->defaultImage);
5328		if (!entry)
5329		return 0;
5330
5331		if (!configureGrub2) {
5332		char *title;
5333		line = getLineByType(LT_TITLE, entry->lines);
5334		if (!line)
5335		return 0;
5336		title = extractTitle(config, line);
5337		if (!title)
5338		return 0;
5339		printf("%s\n", title);
5340		free(title);
5341		} else {
5342		char *title;
5343
5344		dbgPrintf
5345		("This is GRUB2, default title is embeded in menuentry\n");
5346		line = getLineByType(LT_MENUENTRY, entry->lines);
5347		if (!line)
5348		return 0;
5349		title = grub2ExtractTitle(line);
5350		if (title)
5351		printf("%s\n", title);
5352		}
5353	return 0;	return 0;
	printf("%s\n", title);
	free(title);
	} else {
	char * title;
5354
5355	dbgPrintf("This is GRUB2, default title is embeded in menuentry\n");	} else if (displayDefaultIndex) {
5356	line = getLineByType(LT_MENUENTRY, entry->lines);	if (config->defaultImage == NO_DEFAULT_ENTRY)
5357	if (!line)	return 0;
5358		if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
5359		cfi->defaultIsSaved)
5360		config->defaultImage = FIRST_ENTRY_INDEX;
5361		printf("%i\n", config->defaultImage);
5362	return 0;	return 0;
	title = grub2ExtractTitle(line);
	if (title)
	printf("%s\n", title);
	}
	return 0;
5363
5364	} else if (displayDefaultIndex) {	} else if (kernelInfo)
5365	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;
	}
5366
5367	markRemovedImage(config, removeKernelPath, bootPrefix);	if (copyDefault) {
5368	markRemovedImage(config, removeMBKernel, bootPrefix);	template = findTemplate(config, bootPrefix, NULL, 0, flags);
5369	setDefaultImage(config, newKernelPath != NULL, defaultKernel, makeDefault,	if (!template)
5370	bootPrefix, flags, defaultIndex);	return 1;
5371	setFallbackImage(config, newKernelPath != NULL);	}
5372	if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs,
5373	removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1;	markRemovedImage(config, removeKernelPath, bootPrefix);
5374	if (updateKernelPath && newKernelInitrd) {	markRemovedImage(config, removeMBKernel, bootPrefix);
5375	if (newMBKernel) {	setDefaultImage(config, newKernelPath != NULL, defaultKernel,
5376	if (addMBInitrd(config, newMBKernel, updateKernelPath,	makeDefault, bootPrefix, flags, defaultIndex,
5377		newIndex);
5378		setFallbackImage(config, newKernelPath != NULL);
5379		if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs,
5380		removeArgs, newMBKernelArgs, removeMBKernelArgs))
5381		return 1;
5382		if (updateKernelPath && newKernelInitrd) {
5383		if (newMBKernel) {
5384		if (addMBInitrd(config, newMBKernel, updateKernelPath,
5385	bootPrefix, newKernelInitrd,	bootPrefix, newKernelInitrd,
5386	newKernelTitle))	newKernelTitle))
5387	return 1;	return 1;
5388	} else {	} else {
5389	if (updateInitrd(config, updateKernelPath, bootPrefix,	if (updateInitrd(config, updateKernelPath, bootPrefix,
5390	newKernelInitrd, newKernelTitle))	newKernelInitrd, newKernelTitle))
5391	return 1;	return 1;
5392	}	}
5393	}	}
5394	if (addNewKernel(config, template, bootPrefix, newKernelPath,	if (addNewKernel(config, template, bootPrefix, newKernelPath,
5395	newKernelTitle, newKernelArgs, newKernelInitrd,	newKernelTitle, newKernelArgs, newKernelInitrd,
5396	(const char **)extraInitrds, extraInitrdCount,	(const char **)extraInitrds, extraInitrdCount,
5397	newMBKernel, newMBKernelArgs, newDevTreePath)) return 1;	newMBKernel, newMBKernelArgs, newDevTreePath,
5398		newIndex))
5399		return 1;
5400	if (numEntries(config) == 0) {
5401	fprintf(stderr, _("grubby: doing this would leave no kernel entries. "	if (numEntries(config) == 0) {
5402	"Not writing out new config.\n"));	fprintf(stderr,
5403	return 1;	_("grubby: doing this would leave no kernel entries. "
5404	}	"Not writing out new config.\n"));
5405		return 1;
5406		}
5407
5408	if (!outputFile)	if (!outputFile)
5409	outputFile = (char *)grubConfig;	outputFile = (char *)grubConfig;
5410
5411	return writeConfig(config, outputFile, bootPrefix);	return writeConfig(config, outputFile, bootPrefix);
5412	}	}

---

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Legend: Removed from v.2995   changed lines   Added in v.3029