Diff of /trunk/grubby/grubby.c

Parent Directory | Revision Log | Patch

	trunk/mkinitrd-magellan/grubby/grubby.c revision 532 by niro, Sat Sep 1 22:45:15 2007 UTC	trunk/grubby/grubby.c revision 3024 by niro, Tue Jun 27 14:41:50 2017 UTC
#	Line 1	Line 1
1	/* Copyright (C) 2001-2005 Red Hat, Inc.	/*
2		* grubby.c
3	This program is free software; you can redistribute it and/or	*
4	modify it under the terms of the General Public License as published	* Copyright (C) 2001-2008 Red Hat, Inc.
5	by the Free Software Foundation; either version 2 of the License, or	* All rights reserved.
6	(at your option) any later version.	*
7		* This program is free software; you can redistribute it and/or modify
8	This program is distributed in the hope that it will be useful,	* it under the terms of the GNU General Public License as published by
9	but WITHOUT ANY WARRANTY; without even the implied warranty of	* the Free Software Foundation; either version 2 of the License, or
10	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU	* (at your option) any later version.
11	General Public License for more details.	*
12		* This program is distributed in the hope that it will be useful,
13	You should have received a copy of the GNU General Public	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	License along with this program; if not, write to the Free	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15	Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA	* GNU General Public License for more details.
16	02111-1307 USA.  */	*
17		* You should have received a copy of the GNU General Public License
18		* along with this program.  If not, see <http://www.gnu.org/licenses/>.
19		*/
20
21		#ifndef _GNU_SOURCE
22		#define _GNU_SOURCE
23		#endif
24	#include <ctype.h>	#include <ctype.h>
25	#include <errno.h>	#include <errno.h>
26	#include <fcntl.h>	#include <fcntl.h>
#	Line 25	Line 31
31	#include <string.h>	#include <string.h>
32	#include <sys/stat.h>	#include <sys/stat.h>
33	#include <unistd.h>	#include <unistd.h>
34		#include <libgen.h>
35		#include <execinfo.h>
36		#include <signal.h>
37		#include <blkid/blkid.h>
38
39		#include "log.h"
40
41		#ifndef DEBUG
42		#define DEBUG 0
43		#endif
44
45		#if DEBUG
46		#define dbgPrintf(format, args...) fprintf(stderr, format , ## args)
47		#else
48		#define dbgPrintf(format, args...)
49		#endif
50
51	#include "mount_by_label.h"	int debug = 0; /* Currently just for template debugging */
52
53	#define _(A) (A)	#define _(A) (A)
54
55		#define MAX_EXTRA_INITRDS  16 /* code segment checked by --bootloader-probe */
56	#define CODE_SEG_SIZE  128 /* code segment checked by --bootloader-probe */	#define CODE_SEG_SIZE  128 /* code segment checked by --bootloader-probe */
57
58		#define NOOP_OPCODE 0x90
59		#define JMP_SHORT_OPCODE 0xeb
60
61		int isEfi = 0;
62
63		#if defined(__aarch64__)
64		#define isEfiOnly 1
65		#else
66		#define isEfiOnly 0
67		#endif
68
69		char *saved_command_line = NULL;
70
71	/* comments get lumped in with indention */	/* comments get lumped in with indention */
72	struct lineElement {	struct lineElement {
73	char * item;	char *item;
74	char * indent;	char *indent;
75	};	};
76
77	enum lineType_e { LT_WHITESPACE, LT_TITLE, LT_KERNEL, LT_INITRD, LT_DEFAULT,	enum lineType_e {
78	LT_UNKNOWN, LT_ROOT, LT_FALLBACK, LT_KERNELARGS, LT_BOOT,	LT_UNIDENTIFIED = 0,
79	LT_BOOTROOT, LT_LBA, LT_MBMODULE, LT_OTHER, LT_GENERIC };	LT_WHITESPACE = 1 << 0,
80		LT_TITLE = 1 << 1,
81		LT_KERNEL = 1 << 2,
82		LT_INITRD = 1 << 3,
83		LT_HYPER = 1 << 4,
84		LT_DEFAULT = 1 << 5,
85		LT_MBMODULE = 1 << 6,
86		LT_ROOT = 1 << 7,
87		LT_FALLBACK = 1 << 8,
88		LT_KERNELARGS = 1 << 9,
89		LT_BOOT = 1 << 10,
90		LT_BOOTROOT = 1 << 11,
91		LT_LBA = 1 << 12,
92		LT_OTHER = 1 << 13,
93		LT_GENERIC = 1 << 14,
94		LT_ECHO = 1 << 16,
95		LT_MENUENTRY = 1 << 17,
96		LT_ENTRY_END = 1 << 18,
97		LT_SET_VARIABLE = 1 << 19,
98		LT_KERNEL_EFI = 1 << 20,
99		LT_INITRD_EFI = 1 << 21,
100		LT_KERNEL_16 = 1 << 22,
101		LT_INITRD_16 = 1 << 23,
102		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)
122
123	#define GRUB_CONFIG_NO_DEFAULT    (1 << 0) /* don't write out default=0 */	#define GRUB_CONFIG_NO_DEFAULT    (1 << 0) /* don't write out default=0 */
124
125	#define KERNEL_KERNEL    (1 << 0)	/* These defines are (only) used in addNewKernel() */
126	#define KERNEL_INITRD    (1 << 2)	#define NEED_KERNEL  (1 << 0)
127	#define KERNEL_TITLE    (1 << 3)	#define NEED_INITRD  (1 << 1)
128	#define KERNEL_ARGS    (1 << 4)	#define NEED_TITLE   (1 << 2)
129	#define KERNEL_MB           (1 << 5)	#define NEED_ARGS    (1 << 3)
130		#define NEED_MB      (1 << 4)
131		#define NEED_END     (1 << 5)
132		#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
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;
147		};
148
149		struct configFileInfo;
150
151		typedef const char *(*findConfigFunc) (struct configFileInfo *);
152		typedef const int (*writeLineFunc) (struct configFileInfo *,
153		struct singleLine * line);
154		typedef char *(*getEnvFunc) (struct configFileInfo *, char *name);
155		typedef int (*setEnvFunc) (struct configFileInfo *, char *name, char *value);
156
157	struct configFileInfo {	struct configFileInfo {
158	char * defaultConfig;	char *defaultConfig;
159	struct keywordTypes * keywords;	findConfigFunc findConfig;
160	int defaultIsIndex;	writeLineFunc writeLine;
161	int defaultSupportSaved;	getEnvFunc getEnv;
162	enum lineType_e entrySeparator;	setEnvFunc setEnv;
163	int needsBootPrefix;	struct keywordTypes *keywords;
164	int argsInQuotes;	int caseInsensitive;
165	int maxTitleLength;	int defaultIsIndex;
166	int titleBracketed;	int defaultIsVariable;
167		int defaultSupportSaved;
168		int defaultIsSaved;
169		int defaultIsUnquoted;
170		enum lineType_e entryStart;
171		enum lineType_e entryEnd;
172		int needsBootPrefix;
173		int argsInQuotes;
174		int maxTitleLength;
175		int titleBracketed;
176		int titlePosition;
177		int mbHyperFirst;
178		int mbInitRdIsModule;
179		int mbConcatArgs;
180		int mbAllowExtraInitRds;
181		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	{ NULL,    0, 0 },	{"kernel", LT_HYPER, ' '},
193		{NULL, 0, 0},
194	};	};
195
196		const char *grubFindConfig(struct configFileInfo *cfi)
197		{
198		static const char *configFiles[] = {
199		"/boot/grub/grub.conf",
200		"/boot/grub/menu.lst",
201		"/etc/grub.conf",
202		NULL
203		};
204		static int i = -1;
205
206		if (i == -1) {
207		for (i = 0; configFiles[i] != NULL; i++) {
208		dbgPrintf("Checking \"%s\": ", configFiles[i]);
209		if (!access(configFiles[i], R_OK)) {
210		dbgPrintf("found\n");
211		return configFiles[i];
212		}
213		dbgPrintf("not found\n");
214		}
215		}
216		return configFiles[i];
217		}
218
219	struct configFileInfo grubConfigType = {	struct configFileInfo grubConfigType = {
220	"/boot/grub/grub.conf",    /* defaultConfig */	.findConfig = grubFindConfig,
221	grubKeywords,    /* keywords */	.keywords = grubKeywords,
222	1,    /* defaultIsIndex */	.defaultIsIndex = 1,
223	1,    /* defaultSupportSaved */	.defaultSupportSaved = 1,
224	LT_TITLE,    /* entrySeparator */	.entryStart = LT_TITLE,
225	1,    /* needsBootPrefix */	.needsBootPrefix = 1,
226	0,    /* argsInQuotes */	.mbHyperFirst = 1,
227	0,    /* maxTitleLength */	.mbInitRdIsModule = 1,
228	0,                                      /* titleBracketed */	.mbAllowExtraInitRds = 1,
229		.titlePosition = 1,
230		};
231
232		struct keywordTypes grub2Keywords[] = {
233		{"menuentry", LT_MENUENTRY, ' '},
234		{"}", LT_ENTRY_END, ' '},
235		{"echo", LT_ECHO, ' '},
236		{"set", LT_SET_VARIABLE, ' ', '='},
237		{"root", LT_BOOTROOT, ' '},
238		{"default", LT_DEFAULT, ' '},
239		{"fallback", LT_FALLBACK, ' '},
240		{"linux", LT_KERNEL, ' '},
241		{"linuxefi", LT_KERNEL_EFI, ' '},
242		{"linux16", LT_KERNEL_16, ' '},
243		{"initrd", LT_INITRD, ' ', ' '},
244		{"initrdefi", LT_INITRD_EFI, ' ', ' '},
245		{"initrd16", LT_INITRD_16, ' ', ' '},
246		{"module", LT_MBMODULE, ' '},
247		{"kernel", LT_HYPER, ' '},
248		{"devicetree", LT_DEVTREE, ' '},
249		{NULL, 0, 0},
250		};
251
252		const char *grub2FindConfig(struct configFileInfo *cfi)
253		{
254		static const char *configFiles[] = {
255		"/boot/grub/grub-efi.cfg",
256		"/boot/grub/grub.cfg",
257		"/etc/grub2-efi.cfg",
258		"/etc/grub2.cfg",
259		"/boot/grub2/grub.cfg",
260		"/boot/grub2-efi/grub.cfg",
261		NULL
262		};
263		static int i = -1;
264		static const char *grub_cfg = "/boot/grub/grub.cfg";
265		int rc = -1;
266
267		if (i == -1) {
268		for (i = 0; configFiles[i] != NULL; i++) {
269		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		}
283		}
284
285		/* 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
287		* that they use. */
288		if (configFiles[i] == NULL && !access("/etc/grub.d/", R_OK)) {
289		dbgPrintf("found\n");
290		return grub_cfg;
291		}
292
293		dbgPrintf("not found\n");
294		return configFiles[i];
295		}
296
297		/* kind of hacky.  It'll give the first 1024 bytes, ish. */
298		static char *grub2GetEnv(struct configFileInfo *info, char *name)
299		{
300		static char buf[1025];
301		char *s = NULL;
302		char *ret = NULL;
303		char *envFile = info->envFile ? info->envFile : "/boot/grub/grubenv";
304		int rc =
305		asprintf(&s, "grub-editenv %s list | grep '^%s='", envFile, name);
306
307		if (rc < 0)
308		return NULL;
309
310		FILE *f = popen(s, "r");
311		if (!f)
312		goto out;
313
314		memset(buf, '\0', sizeof(buf));
315		ret = fgets(buf, 1024, f);
316		pclose(f);
317
318		if (ret) {
319		ret += strlen(name) + 1;
320		ret[strlen(ret) - 1] = '\0';
321		}
322		dbgPrintf("grub2GetEnv(%s): %s\n", name, ret);
323		out:
324		free(s);
325		return ret;
326		}
327
328		static int sPopCount(const char *s, const char *c)
329		{
330		int ret = 0;
331		if (!s)
332		return -1;
333		for (int i = 0; s[i] != '\0'; i++)
334		for (int j = 0; c[j] != '\0'; j++)
335		if (s[i] == c[j])
336		ret++;
337		return ret;
338		}
339
340		static char *shellEscape(const char *s)
341		{
342		int l = strlen(s) + sPopCount(s, "'") * 2;
343
344		char *ret = calloc(l + 1, sizeof(*ret));
345		if (!ret)
346		return NULL;
347		for (int i = 0, j = 0; s[i] != '\0'; i++, j++) {
348		if (s[i] == '\'')
349		ret[j++] = '\\';
350		ret[j] = s[i];
351		}
352		return ret;
353		}
354
355		static void unquote(char *s)
356		{
357		int l = strlen(s);
358
359		if ((s[l - 1] == '\'' && s[0] == '\'')
360		|| (s[l - 1] == '"' && s[0] == '"')) {
361		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)
367		{
368		char *s = NULL;
369		int rc = 0;
370		char *envFile = info->envFile ? info->envFile : "/boot/grub/grubenv";
371
372		unquote(value);
373		value = shellEscape(value);
374		if (!value)
375		return -1;
376
377		rc = asprintf(&s, "grub-editenv %s set '%s=%s'", envFile, name, value);
378		free(value);
379		if (rc < 0)
380		return -1;
381
382		dbgPrintf("grub2SetEnv(%s): %s\n", name, s);
383		rc = system(s);
384		free(s);
385		return rc;
386		}
387
388		/* this is a gigantic hack to avoid clobbering grub2 variables... */
389		static int is_special_grub2_variable(const char *name)
390		{
391		if (!strcmp(name, "\"${next_entry}\""))
392		return 1;
393		if (!strcmp(name, "\"${prev_saved_entry}\""))
394		return 1;
395		return 0;
396		}
397
398		int sizeOfSingleLine(struct singleLine *line)
399		{
400		int count = 0;
401
402		for (int i = 0; i < line->numElements; i++) {
403		int indentSize = 0;
404
405		count = count + strlen(line->elements[i].item);
406
407		indentSize = strlen(line->elements[i].indent);
408		if (indentSize > 0)
409		count = count + indentSize;
410		else
411		/* be extra safe and add room for whitespaces */
412		count = count + 1;
413		}
414
415		/* room for trailing terminator */
416		count = count + 1;
417
418		return count;
419		}
420
421		static int isquote(char q)
422		{
423		if (q == '\'' || q == '\"')
424		return 1;
425		return 0;
426		}
427
428		static int iskernel(enum lineType_e type)
429		{
430		return (type == LT_KERNEL || type == LT_KERNEL_EFI
431		|| type == LT_KERNEL_16);
432		}
433
434		static int isinitrd(enum lineType_e type)
435		{
436		return (type == LT_INITRD || type == LT_INITRD_EFI
437		|| type == LT_INITRD_16);
438		}
439
440		char *grub2ExtractTitle(struct singleLine *line)
441		{
442		char *current;
443		char *current_indent;
444		int current_len;
445		int current_indent_len;
446		int i;
447
448		/* bail out if line does not start with menuentry */
449		if (strcmp(line->elements[0].item, "menuentry"))
450		return NULL;
451
452		i = 1;
453		current = line->elements[i].item;
454		current_len = strlen(current);
455
456		/* if second word is quoted, strip the quotes and return single word */
457		if (isquote(*current) && isquote(current[current_len - 1])) {
458		char *tmp;
459
460		tmp = strdup(current + 1);
461		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;
498		}
499
500		struct configFileInfo grub2ConfigType = {
501		.findConfig = grub2FindConfig,
502		.getEnv = grub2GetEnv,
503		.setEnv = grub2SetEnv,
504		.keywords = grub2Keywords,
505		.defaultIsIndex = 1,
506		.defaultSupportSaved = 1,
507		.defaultIsVariable = 1,
508		.entryStart = LT_MENUENTRY,
509		.entryEnd = LT_ENTRY_END,
510		.titlePosition = 1,
511		.needsBootPrefix = 1,
512		.mbHyperFirst = 1,
513		.mbInitRdIsModule = 1,
514		.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[] = {
569		{"label", LT_TITLE, '='},
570		{"root", LT_ROOT, '='},
571		{"default", LT_DEFAULT, '='},
572		{"image", LT_KERNEL, '='},
573		{"initrd", LT_INITRD, '='},
574		{"append", LT_KERNELARGS, '='},
575		{"vmm", LT_HYPER, '='},
576		{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[] = {
601		{"label", LT_TITLE, ' '},
602		{"root", LT_ROOT, ' '},
603		{"default", LT_DEFAULT, ' '},
604		{"kernel", LT_KERNEL, ' '},
605		{"initrd", LT_INITRD, ' ', ','},
606		{"append", LT_KERNELARGS, ' '},
607		{"prompt", LT_UNKNOWN, ' '},
608		{"fdt", LT_DEVTREE, ' '},
609		{"fdtdir", LT_DEVTREE, ' '},
610		{NULL, 0, 0},
611	};	};
612
613		int useextlinuxmenu;
614	struct configFileInfo eliloConfigType = {	struct configFileInfo eliloConfigType = {
615	"/boot/efi/EFI/redhat/elilo.conf",    /* defaultConfig */	.defaultConfig = "/boot/efi/EFI/redhat/elilo.conf",
616	liloKeywords,    /* keywords */	.keywords = eliloKeywords,
617	0,    /* defaultIsIndex */	.entryStart = LT_KERNEL,
618	0,    /* defaultSupportSaved */	.needsBootPrefix = 1,
619	LT_KERNEL,    /* entrySeparator */	.argsInQuotes = 1,
620	1,                    /* needsBootPrefix */	.mbConcatArgs = 1,
621	1,    /* argsInQuotes */	.titlePosition = 1,
	0,    /* maxTitleLength */
	0,                                      /* titleBracketed */
622	};	};
623
624	struct configFileInfo liloConfigType = {	struct configFileInfo liloConfigType = {
625	"/etc/lilo.conf",    /* defaultConfig */	.defaultConfig = "/etc/lilo.conf",
626	liloKeywords,    /* keywords */	.keywords = liloKeywords,
627	0,    /* defaultIsIndex */	.entryStart = LT_KERNEL,
628	0,    /* defaultSupportSaved */	.argsInQuotes = 1,
629	LT_KERNEL,    /* entrySeparator */	.maxTitleLength = 15,
630	0,    /* needsBootPrefix */	.titlePosition = 1,
	1,    /* argsInQuotes */
	15,    /* maxTitleLength */
	0,                                      /* titleBracketed */
631	};	};
632
633	struct configFileInfo yabootConfigType = {	struct configFileInfo yabootConfigType = {
634	"/etc/yaboot.conf",    /* defaultConfig */	.defaultConfig = "/etc/yaboot.conf",
635	yabootKeywords,    /* keywords */	.keywords = yabootKeywords,
636	0,    /* defaultIsIndex */	.entryStart = LT_KERNEL,
637	0,    /* defaultSupportSaved */	.needsBootPrefix = 1,
638	LT_KERNEL,    /* entrySeparator */	.argsInQuotes = 1,
639	1,    /* needsBootPrefix */	.maxTitleLength = 15,
640	1,    /* argsInQuotes */	.mbAllowExtraInitRds = 1,
641	15,    /* maxTitleLength */	.titlePosition = 1,
	0,                                      /* titleBracketed */
642	};	};
643
644	struct configFileInfo siloConfigType = {	struct configFileInfo siloConfigType = {
645	"/etc/silo.conf",    /* defaultConfig */	.defaultConfig = "/etc/silo.conf",
646	siloKeywords,    /* keywords */	.keywords = siloKeywords,
647	0,    /* defaultIsIndex */	.entryStart = LT_KERNEL,
648	0,    /* defaultSupportSaved */	.needsBootPrefix = 1,
649	LT_KERNEL,    /* entrySeparator */	.argsInQuotes = 1,
650	1,    /* needsBootPrefix */	.maxTitleLength = 15,
651	1,    /* argsInQuotes */	.titlePosition = 1,
	15,    /* maxTitleLength */
	0,                                      /* titleBracketed */
652	};	};
653
654	struct configFileInfo ziplConfigType = {	struct configFileInfo ziplConfigType = {
655	"/etc/zipl.conf",    /* defaultConfig */	.defaultConfig = "/etc/zipl.conf",
656	ziplKeywords,    /* keywords */	.keywords = ziplKeywords,
657	0,    /* defaultIsIndex */	.entryStart = LT_TITLE,
658	0,    /* defaultSupportSaved */	.argsInQuotes = 1,
659	LT_TITLE,    /* entrySeparator */	.titleBracketed = 1,
	0,    /* needsBootPrefix */
	1,    /* argsInQuotes */
	15,    /* maxTitleLength */
	1,                                      /* titleBracketed */
660	};	};
661
662	struct grubConfig {	struct configFileInfo extlinuxConfigType = {
663	struct singleLine * theLines;	.defaultConfig = "/boot/extlinux/extlinux.conf",
664	struct singleEntry * entries;	.keywords = extlinuxKeywords,
665	char * primaryIndent;	.caseInsensitive = 1,
666	char * secondaryIndent;	.entryStart = LT_TITLE,
667	int defaultImage;    /* -1 if none specified -- this value is	.needsBootPrefix = 1,
668	* written out, overriding original */	.maxTitleLength = 255,
669	int fallbackImage;    /* just like defaultImage */	.mbAllowExtraInitRds = 1,
670	int flags;	.defaultIsUnquoted = 1,
671	struct configFileInfo * cfi;	.titlePosition = 1,
672	};	};
673
674		struct grubConfig {
675		struct singleLine *theLines;
676		struct singleEntry *entries;
677		char *primaryIndent;
678		char *secondaryIndent;
679		int defaultImage; /* -1 if none specified -- this value is
680		* written out, overriding original */
681		int fallbackImage; /* just like defaultImage */
682		int flags;
683		struct configFileInfo *cfi;
684		int isModified; /* assumes only one entry added
685		per invocation of grubby */
686		};
687
688	struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index);	blkid_cache blkid;
	struct singleEntry * findEntryByPath(struct grubConfig * cfg,
	const char * path, const char * prefix,
	int * index);
	static char * strndup(char * from, int len);
	static int readFile(int fd, char ** bufPtr);
	static void lineInit(struct singleLine * line);
	static void lineFree(struct singleLine * line);
	static int lineWrite(FILE * out, struct singleLine * line,
	struct configFileInfo * cfi);
	static int getNextLine(char ** bufPtr, struct singleLine * line,
	struct configFileInfo * cfi);
	static char * getRootSpecifier(char * str);
	static char * strndup(char * from, int len) {
	char * to;
	to = malloc(len + 1);
	strncpy(to, from, len);
	to[len] = '\0';
689
690	return to;	struct singleEntry *findEntryByIndex(struct grubConfig *cfg, int index);
691	}	struct singleEntry *findEntryByPath(struct grubConfig *cfg,
692		const char *path, const char *prefix,
693		int *index);
694		struct singleEntry *findEntryByTitle(struct grubConfig *cfg, char *title,
695		int *index);
696		static int readFile(int fd, char **bufPtr);
697		static void lineInit(struct singleLine *line);
698		struct singleLine *lineDup(struct singleLine *line);
699		static void lineFree(struct singleLine *line);
700		static int lineWrite(FILE * out, struct singleLine *line,
701		struct configFileInfo *cfi);
702		static int getNextLine(char **bufPtr, struct singleLine *line,
703		struct configFileInfo *cfi);
704		static char *getRootSpecifier(char *str);
705		static void requote(struct singleLine *line, struct configFileInfo *cfi);
706		static void insertElement(struct singleLine *line,
707		const char *item, int insertHere,
708		struct configFileInfo *cfi);
709		static void removeElement(struct singleLine *line, int removeHere);
710		static struct keywordTypes *getKeywordByType(enum lineType_e type,
711		struct configFileInfo *cfi);
712		static enum lineType_e getTypeByKeyword(char *keyword,
713		struct configFileInfo *cfi);
714		static struct singleLine *getLineByType(enum lineType_e type,
715		struct singleLine *line);
716		static int checkForExtLinux(struct grubConfig *config);
717		struct singleLine *addLineTmpl(struct singleEntry *entry,
718		struct singleLine *tmplLine,
719		struct singleLine *prevLine,
720		const char *val, struct configFileInfo *cfi);
721		struct singleLine *addLine(struct singleEntry *entry,
722		struct configFileInfo *cfi,
723		enum lineType_e type, char *defaultIndent,
724		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	va_end(args);
748	va_start(args, format);	va_end(args);
749		va_start(args, format);
750	buf = malloc(size);
751	if (buf == NULL)	buf = malloc(size);
752	return NULL;	if (buf == NULL)
753	vsnprintf(buf, size, format, args);	return NULL;
754	va_end (args);	vsnprintf(buf, size, format, args);
755		va_end(args);
756
757	return buf;	return buf;
758	}	}
759
760	static int isBracketedTitle(struct singleLine * line) {	static inline int
761	if ((*line->elements[0].item == '[') && (line->numElements == 1)) {	kwcmp(struct keywordTypes *kw, const char * label, int case_insensitive)
762	int len = strlen(line->elements[0].item);	{
763	if (*(line->elements[0].item + len - 1) == ']') {	int kwl = strlen(kw->key);
764	/* FIXME: this is a hack... */	int ll = strlen(label);
765	if (strcmp(line->elements[0].item, "[defaultboot]")) {	int rc;
766	return 1;	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;	return 0;
785	}	}
786
787	/* figure out if this is a entry separator */	static enum lineType_e preferredLineType(enum lineType_e type,
788	static int isEntrySeparator(struct singleLine * line,	struct configFileInfo *cfi)
789	struct configFileInfo * cfi) {	{
790	if (line->type == LT_WHITESPACE)	if (isEfi && cfi == &grub2ConfigType) {
791	return 0;	switch (type) {
792	if (line->type == cfi->entrySeparator)	case LT_KERNEL:
793	return 1;	return isEfiOnly ? LT_KERNEL : LT_KERNEL_EFI;
794	if (line->type == LT_OTHER)	case LT_INITRD:
795	return 1;	return isEfiOnly ? LT_INITRD : LT_INITRD_EFI;
796	if (cfi->titleBracketed && isBracketedTitle(line)) {	default:
797	return 1;	return type;
798	}	}
799	return 0;	#if defined(__i386__) || defined(__x86_64__)
800		} else if (cfi == &grub2ConfigType) {
801		switch (type) {
802		case LT_KERNEL:
803		return LT_KERNEL_16;
804		case LT_INITRD:
805		return LT_INITRD_16;
806		default:
807		return type;
808		}
809		#endif
810		}
811		return type;
812	}	}
813
814	/* extract the title from within brackets (for zipl) */	static struct keywordTypes *getKeywordByType(enum lineType_e type,
815	static char * extractTitle(struct singleLine * line) {	struct configFileInfo *cfi)
816	/* bracketed title... let's extract it (leaks a byte) */	{
817	char * title;	for (struct keywordTypes * kw = cfi->keywords; kw->key; kw++) {
818	title = strdup(line->elements[0].item);	if (kw->type == type)
819	title++;	return kw;
820	*(title + strlen(title) - 1) = '\0';	}
821	return title;	return NULL;
822	}	}
	static int readFile(int fd, char ** bufPtr) {
	int alloced = 0, size = 0, i = 0;
	char * buf = NULL;
	do {
	size += i;
	if ((size + 1024) > alloced) {
	alloced += 4096;
	buf = realloc(buf, alloced + 1);
	}
	} while ((i = read(fd, buf + size, 1024)) > 0);
	if (i < 0) {
	fprintf(stderr, _("error reading input: %s\n"), strerror(errno));
	free(buf);
	return 1;
	}
823
824	buf = realloc(buf, size + 2);	static char *getKeyByType(enum lineType_e type, struct configFileInfo *cfi)
825	if (size == 0)	{
826	buf[size++] = '\n';	struct keywordTypes *kt = getKeywordByType(type, cfi);
827	else	if (kt)
828	if (buf[size - 1] != '\n')	return kt->key;
829	buf[size++] = '\n';	return "unknown";
830	buf[size] = '\0';	}
831
832	*bufPtr = buf;	static char *getpathbyspec(char *device)
833		{
834		if (!blkid)
835		blkid_get_cache(&blkid, NULL);
836
837	return 0;	return blkid_get_devname(blkid, device, NULL);
838	}	}
839
840	static void lineInit(struct singleLine * line) {	static char *getuuidbydev(char *device)
841	line->indent = NULL;	{
842	line->elements = NULL;	if (!blkid)
843	line->numElements = 0;	blkid_get_cache(&blkid, NULL);
844	line->next = NULL;
845		return blkid_get_tag_value(blkid, "UUID", device);
846	}	}
847
848	static void lineFree(struct singleLine * line) {	static enum lineType_e getTypeByKeyword(char *keyword,
849	int i;	struct configFileInfo *cfi)
850		{
851		for (struct keywordTypes * kw = cfi->keywords; kw->key; kw++) {
852		if (!kwcmp(kw, keyword, cfi->caseInsensitive))
853		return kw->type;
854		}
855		return LT_UNKNOWN;
856		}
857
858	if (line->indent) free(line->indent);	static struct singleLine *getLineByType(enum lineType_e type,
859		struct singleLine *line)
860		{
861		dbgPrintf("getLineByType(%d): ", type);
862		for (; line; line = line->next) {
863		dbgPrintf("%d:%s ", line->type,
864		line->numElements ? line->elements[0].
865		item : "(empty)");
866		if (line->type & type)
867		break;
868		}
869		dbgPrintf(line ? "\n" : " (failed)\n");
870		return line;
871		}
872
873	for (i = 0; i < line->numElements; i++) {	static int isBracketedTitle(struct singleLine *line)
874	free(line->elements[i].item);	{
875	free(line->elements[i].indent);	if (line->numElements == 1 && *line->elements[0].item == '[') {
876	}	int len = strlen(line->elements[0].item);
877		if (*(line->elements[0].item + len - 1) == ']') {
878		/* FIXME: this is a hack... */
879		if (strcmp(line->elements[0].item, "[defaultboot]")) {
880		return 1;
881		}
882		}
883		}
884		return 0;
885		}
886
887	if (line->elements) free(line->elements);	static int isEntryStart(struct singleLine *line, struct configFileInfo *cfi)
888	lineInit(line);	{
889		return line->type == cfi->entryStart || line->type == LT_OTHER ||
890		(cfi->titleBracketed && isBracketedTitle(line));
891	}	}
892
893	static int lineWrite(FILE * out, struct singleLine * line,	/* extract the title from within brackets (for zipl) */
894	struct configFileInfo * cfi) {	static char *extractTitle(struct grubConfig *cfg, struct singleLine *line)
895	int i;	{
896		/* bracketed title... let's extract it */
897		char *title = NULL;
898		if (line->type == LT_TITLE) {
899		char *tmp = line->elements[cfg->cfi->titlePosition].item;
900		if (cfg->cfi->titleBracketed) {
901		tmp++;
902		title = strdup(tmp);
903		*(title + strlen(title) - 1) = '\0';
904		} else {
905		title = strdup(tmp);
906		}
907		} else if (line->type == LT_MENUENTRY)
908		title = strdup(line->elements[1].item);
909		else
910		return NULL;
911		return title;
912		}
913
914	if (fprintf(out, "%s", line->indent) == -1) return -1;	static int readFile(int fd, char **bufPtr)
915		{
916		int alloced = 0, size = 0, i = 0;
917		char *buf = NULL;
918
919		do {
920		size += i;
921		if ((size + 1024) > alloced) {
922		alloced += 4096;
923		buf = realloc(buf, alloced + 1);
924		}
925		} while ((i = read(fd, buf + size, 1024)) > 0);
926
927	for (i = 0; i < line->numElements; i++) {	if (i < 0) {
928	if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes)	fprintf(stderr, _("error reading input: %s\n"),
929	if (fputc('"', out) == EOF) return -1;	strerror(errno));
930		free(buf);
931		return 1;
932		}
933
934	if (fprintf(out, "%s", line->elements[i].item) == -1) return -1;	buf = realloc(buf, size + 2);
935	if (fprintf(out, "%s", line->elements[i].indent) == -1) return -1;	if (size == 0)
936	}	buf[size++] = '\n';
937		else if (buf[size - 1] != '\n')
938		buf[size++] = '\n';
939		buf[size] = '\0';
940
941	if (line->type == LT_KERNELARGS && cfi->argsInQuotes)	*bufPtr = buf;
	if (fputc('"', out) == EOF) return -1;
942
943	if (fprintf(out, "\n") == -1) return -1;	return 0;
944		}
945
946	return 0;	static void lineInit(struct singleLine *line)
947		{
948		line->type = LT_UNIDENTIFIED;
949		line->indent = NULL;
950		line->elements = NULL;
951		line->numElements = 0;
952		line->next = NULL;
953	}	}
954
955	/* we've guaranteed that the buffer ends w/ \n\0 */	struct singleLine *lineDup(struct singleLine *line)
956	static int getNextLine(char ** bufPtr, struct singleLine * line,	{
957	struct configFileInfo * cfi) {	struct singleLine *newLine = malloc(sizeof(*newLine));
958	char * end;
959	char * start = *bufPtr;	newLine->indent = strdup(line->indent);
960	char * chptr;	newLine->next = NULL;
961	int elementsAlloced = 0;	newLine->type = line->type;
962	struct lineElement * element;	newLine->numElements = line->numElements;
963	struct keywordTypes * keywords = cfi->keywords;	newLine->elements = malloc(sizeof(*newLine->elements) *
964	int first = 1;	newLine->numElements);
965	int i;
966		for (int i = 0; i < newLine->numElements; i++) {
967		newLine->elements[i].indent = strdup(line->elements[i].indent);
968		newLine->elements[i].item = strdup(line->elements[i].item);
969		}
970
971		return newLine;
972		}
973
974	lineFree(line);	static void lineFree(struct singleLine *line)
975		{
976		if (line->indent)
977		free(line->indent);
978
979	end = strchr(start, '\n');	for (int i = 0; i < line->numElements; i++) {
980	*end = '\0';	free(line->elements[i].item);
981	*bufPtr = end + 1;	free(line->elements[i].indent);
982		}
983
984	for (chptr = start; *chptr && isspace(*chptr); chptr++) ;	if (line->elements)
985		free(line->elements);
986		lineInit(line);
987		}
988
989	line->indent = strndup(start, chptr - start);	static int lineWrite(FILE * out, struct singleLine *line,
990	start = chptr;	struct configFileInfo *cfi)
991		{
992		if (fprintf(out, "%s", line->indent) == -1)
993		return -1;
994
995		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	while (start < end) {	continue;
1023	/* we know !isspace(*start) */	}
1024
1025	if (elementsAlloced == line->numElements) {	if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes)
1026	elementsAlloced += 5;	if (fputc('"', out) == EOF)
1027	line->elements = realloc(line->elements,	return -1;
1028	sizeof(*line->elements) * elementsAlloced);
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	element = line->elements + line->numElements;	if (fprintf(out, "\n") == -1)
1041		return -1;
1042
1043	chptr = start;	return 0;
1044	while (*chptr && !isspace(*chptr)) {	}
1045	if (first && *chptr == '=') break;
1046	chptr++;	/* we've guaranteed that the buffer ends w/ \n\0 */
1047	}	static int getNextLine(char **bufPtr, struct singleLine *line,
1048	element->item = strndup(start, chptr - start);	struct configFileInfo *cfi)
1049	start = chptr;	{
1050		char *end;
1051		char *start = *bufPtr;
1052		char *chptr;
1053		int elementsAlloced = 0;
1054		struct lineElement *element;
1055		int first = 1;
1056
1057		lineFree(line);
1058
1059		end = strchr(start, '\n');
1060		*end = '\0';
1061		*bufPtr = end + 1;
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	for (i = 0; keywords[i].key; i++)	sizeof(*line->elements) *
1075	if (!strcmp(line->elements[0].item, keywords[i].key)) break;	elementsAlloced);
1076		}
	if (keywords[i].key) {
	line->type = keywords[i].type;
	} else {
	line->type = LT_UNKNOWN;
	/* 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;
	int i;
	len = strlen(line->indent);
	for (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 (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		if (line->type == LT_UNKNOWN) {
1116		/* 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		/* 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		line->type = LT_WHITESPACE;
1151		line->numElements = 0;
1152		}
1153		} else if (line->type == LT_INITRD) {
1154		struct keywordTypes *kw;
1155
1156		kw = getKeywordByType(line->type, cfi);
1157
1158		/* space isn't the only separator, we need to split
1159		* elements up more
1160		*/
1161		if (!isspace(kw->separatorChar)) {
1162		char indent[2] = "";
1163		indent[0] = kw->separatorChar;
1164		for (int i = 1; i < line->numElements; i++) {
1165		char *p;
1166		int numNewElements;
1167
1168		numNewElements = 0;
1169		p = line->elements[i].item;
1170		while (*p != '\0') {
1171		if (*p == kw->separatorChar)
1172		numNewElements++;
1173		p++;
1174		}
1175		if (line->numElements +
1176		numNewElements >= elementsAlloced) {
1177		elementsAlloced +=
1178		numNewElements + 5;
1179		line->elements =
1180		realloc(line->elements,
1181		sizeof(*line->
1182		elements) *
1183		elementsAlloced);
1184		}
1185
1186		for (int j = line->numElements; j > i;
1187		j--) {
1188		line->elements[j +
1189		numNewElements] =
1190		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 struct grubConfig * readConfig(const char * inName,	static int isnumber(const char *s)
1255	struct configFileInfo * cfi) {	{
1256	int in;	int i;
1257	char * incoming = NULL, * head;	for (i = 0; s[i] != '\0'; i++)
1258	int rc;	if (s[i] < '0' || s[i] > '9')
1259	int sawEntry = 0;	return 0;
1260	int movedLine = 0;	return i;
1261	struct grubConfig * cfg;	}
1262	struct singleLine * last = NULL, * line, * defaultLine = NULL;
1263	char * end;	static struct grubConfig *readConfig(const char *inName,
1264	struct singleEntry * entry = NULL;	struct configFileInfo *cfi)
1265	int i, len;	{
1266	char * buf;	int in;
1267		char *incoming = NULL, *head;
1268	if (!strcmp(inName, "-")) {	int rc;
1269	in = 0;	int sawEntry = 0;
1270	} else {	int movedLine = 0;
1271	if ((in = open(inName, O_RDONLY)) < 0) {	struct grubConfig *cfg;
1272	fprintf(stderr, _("error opening %s for read: %s\n"),	struct singleLine *last = NULL, *line, *defaultLine = NULL;
1273	inName, strerror(errno));	char *end;
1274	return NULL;	struct singleEntry *entry = NULL;
1275		int len;
1276		char *buf;
1277
1278		if (inName == NULL) {
1279		printf("Could not find bootloader configuration\n");
1280		exit(1);
1281		} else if (!strcmp(inName, "-")) {
1282		in = 0;
1283		} else {
1284		if ((in = open(inName, O_RDONLY)) < 0) {
1285		fprintf(stderr, _("error opening %s for read: %s\n"),
1286		inName, strerror(errno));
1287		return NULL;
1288		}
1289	}	}
	}
1290
1291	rc = readFile(in, &incoming);	rc = readFile(in, &incoming);
1292	close(in);	close(in);
1293	if (rc) return NULL;	if (rc)
1294		return NULL;
1295	head = incoming;
1296	cfg = malloc(sizeof(*cfg));	head = incoming;
1297	cfg->primaryIndent = strdup("");	cfg = malloc(sizeof(*cfg));
1298	cfg->secondaryIndent = strdup("\t");	cfg->primaryIndent = strdup("");
1299	cfg->flags = GRUB_CONFIG_NO_DEFAULT;	cfg->secondaryIndent = strdup("\t");
1300	cfg->cfi = cfi;	cfg->flags = GRUB_CONFIG_NO_DEFAULT;
1301	cfg->theLines = NULL;	cfg->cfi = cfi;
1302	cfg->entries = NULL;	cfg->theLines = NULL;
1303	cfg->fallbackImage = 0;	cfg->entries = NULL;
1304		cfg->fallbackImage = 0;
1305	/* copy everything we have */	cfg->isModified = 0;
1306	while (*head) {
1307	line = malloc(sizeof(*line));	/* copy everything we have */
1308	lineInit(line);	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 (getNextLine(&head, line, cfi)) {	if (!sawEntry && line->numElements) {
1319	free(line);	free(cfg->primaryIndent);
1320	/* XXX memory leak of everything in cfg */	cfg->primaryIndent = strdup(line->indent);
1321	return NULL;	} else if (line->numElements) {
1322	}	free(cfg->secondaryIndent);
1323		cfg->secondaryIndent = strdup(line->indent);
1324	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 (isEntrySeparator(line, cfi)) {
	sawEntry = 1;
	if (!entry) {
	cfg->entries = malloc(sizeof(*entry));
	entry = cfg->entries;
	} else {
	entry->next = malloc(sizeof(*entry));
	entry = entry->next;
	}
1325
1326	entry->skip = 0;	if (isEntryStart(line, cfi) || (cfg->entries && !sawEntry)) {
1327	entry->multiboot = 0;	sawEntry = 1;
1328	entry->lines = NULL;	if (!entry) {
1329	entry->next = NULL;	cfg->entries = malloc(sizeof(*entry));
1330	}	entry = cfg->entries;
1331		} else {
1332	if (line->type == LT_DEFAULT && line->numElements == 2) {	entry->next = malloc(sizeof(*entry));
1333	cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;	entry = entry->next;
1334	defaultLine = line;	}
1335	} else if (line->type == LT_MBMODULE) {
1336	entry->multiboot = 1;	entry->skip = 0;
1337	} else if (line->type == LT_FALLBACK && line->numElements == 2) {	entry->multiboot = 0;
1338	cfg->fallbackImage = strtol(line->elements[1].item, &end, 10);	entry->lines = NULL;
1339	if (*end) cfg->fallbackImage = -1;	entry->next = NULL;
1340	} else if (line->type == LT_TITLE && line->numElements > 1) {	}
	/* make the title a single argument (undoing our parsing) */
	len = 0;
	for (i = 1; i < line->numElements; i++) {
	len += strlen(line->elements[i].item);
	len += strlen(line->elements[i].indent);
	}
	buf = malloc(len + 1);
	*buf = '\0';
1341
1342	for (i = 1; i < line->numElements; i++) {	if (line->type == LT_SET_VARIABLE) {
1343	strcat(buf, line->elements[i].item);	dbgPrintf("found 'set' command (%d elements): ",
1344	free(line->elements[i].item);	line->numElements);
1345		dbgPrintf("%s", line->indent);
1346		for (int i = 0; i < line->numElements; i++)
1347		dbgPrintf("\"%s\"%s", line->elements[i].item,
1348		line->elements[i].indent);
1349		dbgPrintf("\n");
1350		struct keywordTypes *kwType =
1351		getKeywordByType(LT_DEFAULT, cfi);
1352		if (kwType && line->numElements == 3
1353		&& !strcmp(line->elements[1].item, kwType->key)
1354		&& !is_special_grub2_variable(
1355		line->elements[2].item)) {
1356		dbgPrintf("Line sets default config\n");
1357		cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;
1358		defaultLine = line;
1359		}
1360		} else if (iskernel(line->type)) {
1361		/* if by some freak chance this is multiboot and the
1362		* "module" lines came earlier in the template, make
1363		* sure to use LT_HYPER instead of LT_KERNEL now
1364		*/
1365		if (entry && entry->multiboot)
1366		line->type = LT_HYPER;
1367
1368		} else if (line->type == LT_MBMODULE) {
1369		/* go back and fix the LT_KERNEL line to indicate
1370		* LT_HYPER instead, now that we know this is a
1371		* multiboot entry.  This only applies to grub, but
1372		* that's the only place we should find LT_MBMODULE
1373		* lines anyway.
1374		*/
1375		for (struct singleLine * l = entry->lines; l;
1376		l = l->next) {
1377		if (l->type == LT_HYPER)
1378		break;
1379		else if (iskernel(l->type)) {
1380		l->type = LT_HYPER;
1381		break;
1382		}
1383		}
1384		entry->multiboot = 1;
1385
1386		} else if (line->type == LT_HYPER) {
1387		entry->multiboot = 1;
1388
1389		} 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		for (int i = 1; i < line->numElements; i++) {
1409		strcat(buf, line->elements[i].item);
1410		free(line->elements[i].item);
1411
1412		if ((i + 1) != line->numElements) {
1413		strcat(buf, line->elements[i].indent);
1414		free(line->elements[i].indent);
1415		}
1416		}
1417
1418		line->elements[1].indent =
1419		line->elements[line->numElements - 1].indent;
1420		line->elements[1].item = buf;
1421		line->numElements = 2;
1422		} else if (line->type == LT_MENUENTRY && line->numElements > 3) {
1423		/* let --remove-kernel="TITLE=what" work */
1424		len = 0;
1425		char *extras;
1426		char *title;
1427		/* initially unseen value */
1428		char quote_char = '\0';
1429
1430		for (int i = 1; i < line->numElements; i++) {
1431		len += strlen(line->elements[i].item);
1432		len += strlen(line->elements[i].indent);
1433		}
1434		buf = malloc(len + 1);
1435		*buf = '\0';
1436
1437		/* 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		len = strlen(title);
1456		if (title[len - 1] == quote_char) {
1457		strncat(buf, title, len - 1);
1458		break;
1459		} else {
1460		strcat(buf, title);
1461		strcat(buf, line->elements[i].indent);
1462		}
1463		}
1464
1465		/* get extras */
1466		int count = 0;
1467		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		if (!strcmp
1476		(line->elements[i].item, "menuentry"))
1477		continue;
1478
1479		/* count ' or ", there should be two in menuentry line. */
1480		if (isquote(*line->elements[i].item)
1481		&& quote_char == '\0') {
1482		/* ensure we properly pair off quotes */
1483		quote_char = *line->elements[i].item;
1484		count++;
1485		}
1486
1487		len = strlen(line->elements[i].item);
1488
1489		if (line->elements[i].item[len - 1] ==
1490		quote_char)
1491		count++;
1492
1493		/* 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 (isquote(*line->elements[1].item))
1511		memmove(line->elements[1].item,
1512		line->elements[1].item + 1,
1513		strlen(line->elements[1].item +
1514		1) + 1);
1515
1516		last = line->numElements - 1;
1517		len = strlen(line->elements[last].item) - 1;
1518		if (isquote(line->elements[last].item[len]))
1519		line->elements[last].item[len] = '\0';
1520		}
1521		}
1522
1523	if ((i + 1) != line->numElements) {	if (line->type == LT_DEFAULT && line->numElements == 2) {
1524	strcat(buf, line->elements[i].indent);	cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT;
1525	free(line->elements[i].indent);	defaultLine = line;
1526	}	}
	}
	line->elements[1].indent =
	line->elements[line->numElements - 1].indent;
	line->elements[1].item = buf;
	line->numElements = 2;
	} 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 (*line->elements[1].item == '"')
	memcpy(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 (line->elements[last].item[len] == '"')
	line->elements[last].item[len] = '\0';
	}
1527
1528	}	/* 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 we find a generic config option which should live at the	/* If a second line of whitespace happens after a generic
1547	top of the file, move it there. Old versions of grubby were	* option which was moved, drop it. */
1548	probably responsible for putting new images in the wrong	if (movedLine && line->type == LT_WHITESPACE
1549	place in front of it anyway. */	&& last->type == LT_WHITESPACE) {
1550	if (sawEntry && line->type == LT_GENERIC) {	lineFree(line);
1551	struct singleLine **l = &cfg->theLines;	free(line);
1552	struct singleLine **last_nonws = &cfg->theLines;	movedLine = 0;
1553	while (*l) {	continue;
1554	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);
1555	movedLine = 0;	movedLine = 0;
1556	continue;
1557		if (sawEntry) {
1558		if (!entry->lines)
1559		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		/* we could have seen this outside of an entry... if
1566		* so, we ignore it like any other line we don't grok
1567		*/
1568		if (line->type == LT_ENTRY_END && sawEntry)
1569		sawEntry = 0;
1570		} else {
1571		if (!cfg->theLines)
1572		cfg->theLines = line;
1573		else
1574		last->next = line;
1575		dbgPrintf("readConfig added %s to cfg\n",
1576		getKeyByType(line->type, cfi));
1577		}
1578
1579		last = line;
1580	}	}
	movedLine = 0;
1581
1582	if (sawEntry) {	free(incoming);
1583	if (!entry->lines)
1584	entry->lines = line;	dbgPrintf("defaultLine is %s\n", defaultLine ? "set" : "unset");
1585	else	if (defaultLine) {
1586	last->next = line;	if (defaultLine->numElements > 2 &&
1587		cfi->defaultSupportSaved &&
1588		!strncmp(defaultLine->elements[2].item,
1589		"\"${saved_entry}\"", 16)) {
1590		cfg->cfi->defaultIsSaved = 1;
1591		cfg->defaultImage = DEFAULT_SAVED_GRUB2;
1592		if (cfg->cfi->getEnv) {
1593		char *defTitle =
1594		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 {	} else {
1693	if (!cfg->theLines)	cfg->defaultImage = FIRST_ENTRY_INDEX;
	cfg->theLines = line;
	else {
	last->next = line;
	}
1694	}	}
1695
1696	last = line;	return cfg;
1697	}	}
	free(incoming);
1698
1699	if (defaultLine) {	static void writeDefault(FILE * out, char *indent,
1700	if (cfi->defaultSupportSaved &&	char *separator, struct grubConfig *cfg)
1701	!strncmp(defaultLine->elements[1].item, "saved", 5)) {	{
1702	cfg->defaultImage = DEFAULT_SAVED;	struct singleEntry *entry;
1703	} else if (cfi->defaultIsIndex) {	struct singleLine *line;
1704	cfg->defaultImage = strtol(defaultLine->elements[1].item, &end, 10);	int i;
1705	if (*end) cfg->defaultImage = -1;
1706	} else if (defaultLine->numElements >= 2) {	if (!cfg->defaultImage && cfg->flags == GRUB_CONFIG_NO_DEFAULT)
1707	i = 0;	return;
1708	while ((entry = findEntryByIndex(cfg, i))) {
1709	for (line = entry->lines; line; line = line->next)	if (cfg->defaultImage == DEFAULT_SAVED)
1710	if (line->type == LT_TITLE) break;	fprintf(out, "%sdefault%ssaved\n", indent, separator);
1711		else if (cfg->cfi->defaultIsSaved) {
1712	if (!cfi->titleBracketed) {	fprintf(out, "%sset default=\"${saved_entry}\"\n", indent);
1713	if (line && (line->numElements >= 2) &&	if (cfg->defaultImage >= FIRST_ENTRY_INDEX && cfg->cfi->setEnv) {
1714	!strcmp(defaultLine->elements[1].item,	char *title;
1715	line->elements[1].item)) break;	entry = findEntryByIndex(cfg, cfg->defaultImage);
1716	} else if (line) {	line = getLineByType(LT_MENUENTRY, entry->lines);
1717	if (!strcmp(defaultLine->elements[1].item,	if (!line)
1718	extractTitle(line))) break;	line = getLineByType(LT_TITLE, entry->lines);
1719	}	if (line) {
1720	i++;	title = extractTitle(cfg, line);
1721	}	if (title)
1722		cfg->cfi->setEnv(cfg->cfi,
1723		"saved_entry", title);
1724		}
1725		}
1726		} else if (cfg->defaultImage >= FIRST_ENTRY_INDEX) {
1727		if (cfg->cfi->defaultIsIndex) {
1728		if (cfg->cfi->defaultIsVariable) {
1729		fprintf(out, "%sset default=\"%d\"\n", indent,
1730		cfg->defaultImage);
1731		} else {
1732		fprintf(out, "%sdefault%s%d\n", indent,
1733		separator, cfg->defaultImage);
1734		}
1735		} else {
1736		int image = cfg->defaultImage;
1737
1738	if (entry) cfg->defaultImage = i;	entry = cfg->entries;
1739		while (entry && entry->skip)
1740		entry = entry->next;
1741
1742		i = 0;
1743		while (entry && i < image) {
1744		entry = entry->next;
1745
1746		while (entry && entry->skip)
1747		entry = entry->next;
1748		i++;
1749		}
1750
1751		if (!entry)
1752		return;
1753
1754		line = getLineByType(LT_TITLE, entry->lines);
1755
1756		if (line && line->numElements >= 2)
1757		fprintf(out, "%sdefault%s%s\n", indent,
1758		separator, line->elements[1].item);
1759		else if (line && (line->numElements == 1)
1760		&& cfg->cfi->titleBracketed) {
1761		char *title = extractTitle(cfg, line);
1762		if (title) {
1763		fprintf(out, "%sdefault%s%s\n", indent,
1764		separator, title);
1765		free(title);
1766		}
1767		}
1768		}
1769	}	}
	}
	return cfg;
1770	}	}
1771
1772	static void writeDefault(FILE * out, char * indent,	static int writeConfig(struct grubConfig *cfg, char *outName,
1773	char * separator, struct grubConfig * cfg) {	const char *prefix)
1774	struct singleEntry * entry;	{
1775	struct singleLine * line;	FILE *out;
1776	int i;	struct singleLine *line;
1777		struct singleEntry *entry;
1778		char *tmpOutName;
1779		int needs = MAIN_DEFAULT;
1780		struct stat sb;
1781		int i;
1782
1783		if (!strcmp(outName, "-")) {
1784		out = stdout;
1785		tmpOutName = NULL;
1786		} else {
1787		if (!lstat(outName, &sb) && S_ISLNK(sb.st_mode)) {
1788		char *buf;
1789		int len = 256;
1790		int rc;
1791
1792		/* most likely the symlink is relative, so change our
1793		directory to the dir of the symlink */
1794		char *dir = strdupa(outName);
1795		rc = chdir(dirname(dir));
1796		do {
1797		buf = alloca(len + 1);
1798		rc = readlink(basename(outName), buf, len);
1799		if (rc == len)
1800		len += 256;
1801		} while (rc == len);
1802
1803		if (rc < 0) {
1804		fprintf(stderr,
1805		_
1806		("grubby: error readlink link %s: %s\n"),
1807		outName, strerror(errno));
1808		return 1;
1809		}
1810
1811	if (!cfg->defaultImage && cfg->flags == GRUB_CONFIG_NO_DEFAULT) return;	outName = buf;
1812		outName[rc] = '\0';
1813		}
1814
1815	if (cfg->defaultImage == DEFAULT_SAVED)	tmpOutName = alloca(strlen(outName) + 2);
1816	fprintf(out, "%sdefault%ssaved\n", indent, separator);	sprintf(tmpOutName, "%s-", outName);
1817	else if (cfg->defaultImage > -1) {	out = fopen(tmpOutName, "w");
1818	if (cfg->cfi->defaultIsIndex) {	if (!out) {
1819	fprintf(out, "%sdefault%s%d\n", indent, separator,	fprintf(stderr, _("grubby: error creating %s: %s\n"),
1820	cfg->defaultImage);	tmpOutName, strerror(errno));
1821	} else {	return 1;
1822	int image = cfg->defaultImage;	}
1823
1824	entry = cfg->entries;	if (!stat(outName, &sb)) {
1825	while (entry && entry->skip) entry = entry->next;	if (chmod(tmpOutName, sb.st_mode & ~(S_IFMT))) {
1826		fprintf(stderr,
1827		_
1828		("grubby: error setting perms on %s: %s\n"),
1829		tmpOutName, strerror(errno));
1830		fclose(out);
1831		unlink(tmpOutName);
1832		return 1;
1833		}
1834		}
1835		}
1836
1837	i = 0;	line = cfg->theLines;
1838	while (entry && i < image) {	struct keywordTypes *defaultKw = getKeywordByType(LT_DEFAULT, cfg->cfi);
1839	entry = entry->next;	while (line) {
1840		if (line->type == LT_SET_VARIABLE && defaultKw &&
1841		line->numElements == 3 &&
1842		!strcmp(line->elements[1].item, defaultKw->key) &&
1843		!is_special_grub2_variable(line->elements[2].item)) {
1844		writeDefault(out, line->indent,
1845		line->elements[0].indent, cfg);
1846		needs &= ~MAIN_DEFAULT;
1847		} else if (line->type == LT_DEFAULT) {
1848		writeDefault(out, line->indent,
1849		line->elements[0].indent, cfg);
1850		needs &= ~MAIN_DEFAULT;
1851		} else if (line->type == LT_FALLBACK) {
1852		if (cfg->fallbackImage > -1)
1853		fprintf(out, "%s%s%s%d\n", line->indent,
1854		line->elements[0].item,
1855		line->elements[0].indent,
1856		cfg->fallbackImage);
1857		} else {
1858		if (lineWrite(out, line, cfg->cfi) == -1) {
1859		fprintf(stderr,
1860		_("grubby: error writing %s: %s\n"),
1861		tmpOutName, strerror(errno));
1862		fclose(out);
1863		unlink(tmpOutName);
1864		return 1;
1865		}
1866		}
1867
1868	while (entry && entry->skip) entry = entry->next;	line = line->next;
1869	i++;	}
	}
1870
1871	if (!entry) return;	if (needs & MAIN_DEFAULT) {
1872		writeDefault(out, cfg->primaryIndent, "=", cfg);
1873		needs &= ~MAIN_DEFAULT;
1874		}
1875
1876	line = entry->lines;	i = 0;
1877	while (line && line->type != LT_TITLE) line = line->next;	while ((entry = findEntryByIndex(cfg, i++))) {
1878		if (entry->skip)
1879		continue;
1880
1881		line = entry->lines;
1882		while (line) {
1883		if (lineWrite(out, line, cfg->cfi) == -1) {
1884		fprintf(stderr,
1885		_("grubby: error writing %s: %s\n"),
1886		tmpOutName, strerror(errno));
1887		fclose(out);
1888		unlink(tmpOutName);
1889		return 1;
1890		}
1891		line = line->next;
1892		}
1893		}
1894
1895	if (line && line->numElements >= 2)	if (tmpOutName) {
1896	fprintf(out, "%sdefault%s%s\n", indent, separator,	if (rename(tmpOutName, outName)) {
1897	line->elements[1].item);	fprintf(stderr,
1898	else if (line && (line->numElements == 1) &&	_("grubby: error moving %s to %s: %s\n"),
1899	cfg->cfi->titleBracketed) {	tmpOutName, outName, strerror(errno));
1900	fprintf(out, "%sdefault%s%s\n", indent, separator,	unlink(outName);
1901	extractTitle(line));	return 1;
1902	}	}
1903	}	}
1904	}
1905		return 0;
1906	}	}
1907
1908	static int writeConfig(struct grubConfig * cfg, char * outName,	static int numEntries(struct grubConfig *cfg)
1909	const char * prefix) {	{
1910	FILE * out;	int i = 0;
1911	struct singleLine * line;	struct singleEntry *entry;
1912	struct singleEntry * entry;
1913	char * tmpOutName;	entry = cfg->entries;
1914	int needs = MAIN_DEFAULT;	while (entry) {
1915	struct stat sb;	if (!entry->skip)
1916	int i;	i++;
1917		entry = entry->next;
1918	if (!strcmp(outName, "-")) {	}
1919	out = stdout;	return i;
1920	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 / */
	rc = chdir("/");
	do {
	buf = alloca(len + 1);
	rc = readlink(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;
	}
	}
	}
1921
1922	line = cfg->theLines;	static char *findDiskForRoot()
1923	while (line) {	{
1924	if (line->type == LT_DEFAULT) {	int fd;
1925	writeDefault(out, line->indent, line->elements[0].indent, cfg);	char buf[65536];
1926	needs &= ~MAIN_DEFAULT;	char *devname;
1927	} else if (line->type == LT_FALLBACK) {	char *chptr;
1928	if (cfg->fallbackImage > -1)	int rc;
1929	fprintf(out, "%s%s%s%d\n", line->indent,
1930	line->elements[0].item, line->elements[0].indent,	if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) {
1931	cfg->fallbackImage);	fprintf(stderr, "grubby: failed to open %s: %s\n",
1932	} else {	_PATH_MOUNTED, strerror(errno));
1933	if (lineWrite(out, line, cfg->cfi) == -1) {	return NULL;
1934	fprintf(stderr, _("grubby: error writing %s: %s\n"),	}
1935	tmpOutName, strerror(errno));
1936	fclose(out);	rc = read(fd, buf, sizeof(buf) - 1);
1937	unlink(tmpOutName);	if (rc <= 0) {
1938	return 1;	fprintf(stderr, "grubby: failed to read %s: %s\n",
1939	}	_PATH_MOUNTED, strerror(errno));
1940		close(fd);
1941		return NULL;
1942	}	}
1943		close(fd);
1944		buf[rc] = '\0';
1945		chptr = buf;
1946
1947	line = line->next;	char *foundanswer = NULL;
	}
1948
1949	if (needs & MAIN_DEFAULT) {	while (chptr && chptr != buf + rc) {
1950	writeDefault(out, cfg->primaryIndent, "=", cfg);	devname = chptr;
	needs &= ~MAIN_DEFAULT;
	}
1951
1952	i = 0;	/*
1953	while ((entry = findEntryByIndex(cfg, i++))) {	* The first column of a mtab entry is the device, but if the
1954	if (entry->skip) continue;	* entry is a special device it won't start with /, so move
1955		* on to the next line.
1956		*/
1957		if (*devname != '/') {
1958		chptr = strchr(chptr, '\n');
1959		if (chptr)
1960		chptr++;
1961		continue;
1962		}
1963
1964	line = entry->lines;	/* Seek to the next space */
1965	while (line) {	chptr = strchr(chptr, ' ');
1966	if (lineWrite(out, line, cfg->cfi) == -1) {	if (!chptr) {
1967	fprintf(stderr, _("grubby: error writing %s: %s\n"),	fprintf(stderr, "grubby: error parsing %s: %s\n",
1968	tmpOutName, strerror(errno));	_PATH_MOUNTED, strerror(errno));
1969	fclose(out);	return NULL;
1970	unlink(tmpOutName);	}
	return 1;
	}
	line = line->next;
	}
	}
1971
1972	if (tmpOutName) {	/*
1973	if (rename(tmpOutName, outName)) {	* The second column of a mtab entry is the mount point, we
1974	fprintf(stderr, _("grubby: error moving %s to %s: %s\n"),	* are looking for '/' obviously.
1975	tmpOutName, outName, strerror(errno));	*/
1976	unlink(outName);	if (*(++chptr) == '/' && *(++chptr) == ' ') {
1977	return 1;	/* remember the last / entry in mtab */
1978		foundanswer = devname;
1979		}
1980
1981		/* Next line */
1982		chptr = strchr(chptr, '\n');
1983		if (chptr)
1984		chptr++;
1985	}	}
	}
1986
1987	return 0;	/* Return the last / entry found */
1988	}	if (foundanswer) {
1989		chptr = strchr(foundanswer, ' ');
1990		*chptr = '\0';
1991		return strdup(foundanswer);
1992		}
1993
1994	static int numEntries(struct grubConfig *cfg) {	return NULL;
	int i = 0;
	struct singleEntry * entry;
	entry = cfg->entries;
	while (entry) {
	if (!entry->skip)
	i++;
	entry = entry->next;
	}
	return i;
1995	}	}
1996
1997	int suitableImage(struct singleEntry * entry, const char * bootPrefix,	void printEntry(struct singleEntry *entry, FILE * f)
1998	int skipRemoved, int flags) {	{
1999	struct singleLine * line;	int i;
2000	char * fullName;	struct singleLine *line;
	int i;
	struct stat sb, sb2;
	char * dev;
	char * end;
	char * rootspec;
	line = entry->lines;
	while (line && line->type != LT_KERNEL) line = line->next;
	if (!line) return 0;
	if (skipRemoved && entry->skip) return 0;
	if (line->numElements < 2) return 0;
	if (flags & GRUBBY_BADIMAGE_OKAY) return 1;
	fullName = alloca(strlen(bootPrefix) +
	strlen(line->elements[1].item) + 1);
	rootspec = getRootSpecifier(line->elements[1].item);
	sprintf(fullName, "%s%s", bootPrefix,
	line->elements[1].item + ((rootspec != NULL) ?
	strlen(rootspec) : 0));
	if (access(fullName, R_OK)) 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 = entry->lines;
	while (line && line->type != LT_ROOT) line = line->next;
2001
2002	if (line && line->numElements >= 2) {	for (line = entry->lines; line; line = line->next) {
2003	dev = line->elements[1].item;	log_message(f, "DBG: %s", line->indent);
2004	} else {	for (i = 0; i < line->numElements; i++) {
2005	int type;	/* Need to handle this, because we strip the quotes from
2006	/* didn't succeed in finding a LT_ROOT, let's try LT_KERNELARGS */	* menuentry when read it. */
2007	line = entry->lines;	if (line->type == LT_MENUENTRY && i == 1) {
2008		if (!isquote(*line->elements[i].item))
2009	type = ((entry->multiboot) ? LT_MBMODULE : LT_KERNELARGS);	log_message(f, "\'%s\'",
2010		line->elements[i].item);
2011	while (line && line->type != type) line = line->next;	else
2012		log_message(f, "%s",
2013	/* failed to find one */	line->elements[i].item);
2014	if (!line) return 0;	log_message(f, "%s", line->elements[i].indent);
2015
2016	for (i = 1; i < line->numElements; i++)	continue;
2017	if (!strncasecmp(line->elements[i].item, "root=", 5)) break;	}
2018	if (i < line->numElements)
2019	dev = line->elements[i].item + 5;	log_message(f, "%s%s",
2020	else {	line->elements[i].item,
2021	/* it failed too...  can't find root= */	line->elements[i].indent);
2022	return 0;	}
2023	}	log_message(f, "\n");
2024	}	}
2025	}	}
	if (!strncmp(dev, "LABEL=", 6)) {
	dev += 6;
	/* check which device has this label */
	dev = get_spec_by_volume_label(dev, &i, &i);
	if (!dev) return 0;
	}
2026
2027	if (*dev == '/') {	void notSuitablePrintf(struct singleEntry *entry, int okay, const char *fmt,
2028	if (stat(dev, &sb))	...)
2029	return 0;	{
2030	} else {	static int once;
2031	sb.st_rdev = strtol(dev, &end, 16);	va_list argp, argq;
2032	if (*end) return 0;
2033	}	va_start(argp, fmt);
2034	stat("/", &sb2);
2035		va_copy(argq, argp);
2036		if (!once) {
2037		log_time(NULL);
2038		log_message(NULL, "command line: %s\n", saved_command_line);
2039		}
2040		log_message(NULL, "DBG: Image entry %s: ",
2041		okay ? "succeeded" : "failed");
2042		log_vmessage(NULL, fmt, argq);
2043
2044		printEntry(entry, NULL);
2045		va_end(argq);
2046
2047		if (!debug) {
2048		once = 1;
2049		va_end(argp);
2050		return;
2051		}
2052
2053		if (okay) {
2054		va_end(argp);
2055		return;
2056		}
2057
2058		if (!once)
2059		log_message(stderr, "DBG: command line: %s\n",
2060		saved_command_line);
2061		once = 1;
2062		fprintf(stderr, "DBG: Image entry failed: ");
2063		vfprintf(stderr, fmt, argp);
2064		printEntry(entry, stderr);
2065		va_end(argp);
2066		}
2067
2068	if (sb.st_rdev != sb2.st_dev) return 0;	#define beginswith(s, c) ((s) && (s)[0] == (c))
2069
2070	return 1;	static int endswith(const char *s, char c)
2071	}	{
2072		int slen;
2073
2074	/* returns the first match on or after the one pointed to by index (if index	if (!s || !s[0])
2075	is not NULL) which is not marked as skip */	return 0;
2076	struct singleEntry * findEntryByPath(struct grubConfig * config,	slen = strlen(s) - 1;
	const char * kernel, const char * prefix,
	int * index) {
	struct singleEntry * entry = NULL;
	struct singleLine * line;
	int i;
	char * chptr;
	char * rootspec = NULL;
	enum lineType_e checkType = LT_KERNEL;
2077
2078	if (isdigit(*kernel)) {	return s[slen] == c;
2079	int * indexVars = alloca(sizeof(*indexVars) * strlen(kernel));	}
2080
2081	i = 0;	int suitableImage(struct singleEntry *entry, const char *bootPrefix,
2082	indexVars[i] = strtol(kernel, &chptr, 10);	int skipRemoved, int flags)
2083	while (*chptr == ',') {	{
2084	i++;	struct singleLine *line;
2085	kernel = chptr + 1;	char *fullName;
2086	indexVars[i] = strtol(kernel, &chptr, 10);	int i;
2087		char *dev;
2088		char *rootspec;
2089		char *rootdev;
2090
2091		if (skipRemoved && entry->skip) {
2092		notSuitablePrintf(entry, 0, "marked to skip\n");
2093		return 0;
2094		}
2095
2096		line =
2097		getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI | LT_KERNEL_16,
2098		entry->lines);
2099		if (!line) {
2100		notSuitablePrintf(entry, 0, "no line found\n");
2101		return 0;
2102		}
2103		if (line->numElements < 2) {
2104		notSuitablePrintf(entry, 0, "line has only %d elements\n",
2105		line->numElements);
2106		return 0;
2107	}	}
2108
2109	if (*chptr) {	if (flags & GRUBBY_BADIMAGE_OKAY) {
2110	/* can't parse it, bail */	notSuitablePrintf(entry, 1, "\n");
2111	return NULL;	return 1;
2112	}	}
2113
2114	indexVars[i + 1] = -1;	fullName = alloca(strlen(bootPrefix) +
2115		strlen(line->elements[1].item) + 1);
2116	i = 0;	rootspec = getRootSpecifier(line->elements[1].item);
2117	if (index) {	int rootspec_offset = rootspec ? strlen(rootspec) : 0;
2118	while (i < *index) i++;	int hasslash = endswith(bootPrefix, '/') ||
2119	if (indexVars[i] == -1) return NULL;	beginswith(line->elements[1].item + rootspec_offset, '/');
2120		sprintf(fullName, "%s%s%s", bootPrefix, hasslash ? "" : "/",
2121		line->elements[1].item + rootspec_offset);
2122		if (access(fullName, R_OK)) {
2123		notSuitablePrintf(entry, 0, "access to %s failed\n", fullName);
2124		return 0;
2125		}
2126		for (i = 2; i < line->numElements; i++)
2127		if (!strncasecmp(line->elements[i].item, "root=", 5))
2128		break;
2129		if (i < line->numElements) {
2130		dev = line->elements[i].item + 5;
2131		} else {
2132		/* look for a lilo style LT_ROOT line */
2133		line = getLineByType(LT_ROOT, entry->lines);
2134
2135		if (line && line->numElements >= 2) {
2136		dev = line->elements[1].item;
2137		} else {
2138		/* didn't succeed in finding a LT_ROOT, let's try
2139		* LT_KERNELARGS.  grub+multiboot uses LT_MBMODULE
2140		* for the args, so check that too.
2141		*/
2142		line =
2143		getLineByType(LT_KERNELARGS | LT_MBMODULE,
2144		entry->lines);
2145
2146		/* failed to find one */
2147		if (!line) {
2148		notSuitablePrintf(entry, 0, "no line found\n");
2149		return 0;
2150		}
2151
2152		for (i = 1; i < line->numElements; i++)
2153		if (!strncasecmp
2154		(line->elements[i].item, "root=", 5))
2155		break;
2156		if (i < line->numElements)
2157		dev = line->elements[i].item + 5;
2158		else {
2159		notSuitablePrintf(entry, 0,
2160		"no root= entry found\n");
2161		/* it failed too...  can't find root= */
2162		return 0;
2163		}
2164		}
2165	}	}
2166
2167	entry = findEntryByIndex(config, indexVars[i]);	dev = getpathbyspec(dev);
2168	if (!entry) return NULL;	if (!getpathbyspec(dev)) {
2169		notSuitablePrintf(entry, 0, "can't find blkid entry for %s\n",
2170		dev);
2171		return 0;
2172		} else
2173		dev = getpathbyspec(dev);
2174
2175		rootdev = findDiskForRoot();
2176		if (!rootdev) {
2177		notSuitablePrintf(entry, 0, "can't find root device\n");
2178		return 0;
2179		}
2180
2181		if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) {
2182		notSuitablePrintf(entry, 0,
2183		"uuid missing: rootdev %s, dev %s\n",
2184		getuuidbydev(rootdev), getuuidbydev(dev));
2185		free(rootdev);
2186		return 0;
2187		}
2188
2189		if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) {
2190		notSuitablePrintf(entry, 0,
2191		"uuid mismatch: rootdev %s, dev %s\n",
2192		getuuidbydev(rootdev), getuuidbydev(dev));
2193		free(rootdev);
2194		return 0;
2195		}
2196
2197	line = entry->lines;	free(rootdev);
2198	while (line && line->type != LT_KERNEL)	notSuitablePrintf(entry, 1, "\n");
	line = line->next;
2199
2200	if (!line) return NULL;	return 1;
2201		}
2202
2203	if (index) *index = indexVars[i];	/* returns the first match on or after the one pointed to by index (if index
2204	return entry;	is not NULL) which is not marked as skip */
2205	}	struct singleEntry *findEntryByPath(struct grubConfig *config,
2206		const char *kernel, const char *prefix,
2207	if (!strcmp(kernel, "DEFAULT")) {	int *index)
2208	if (index && *index > config->defaultImage) {	{
2209	entry = NULL;	struct singleEntry *entry = NULL;
2210	} else {	struct singleLine *line;
2211	entry = findEntryByIndex(config, config->defaultImage);	int i;
2212	if (entry && entry->skip)	char *chptr;
2213	entry = NULL;	char *rootspec = NULL;
2214	else if (index)	enum lineType_e checkType = LT_KERNEL;
2215	*index = config->defaultImage;
2216	}	if (isdigit(*kernel)) {
2217	} else if (!strcmp(kernel, "ALL")) {	int *indexVars = alloca(sizeof(*indexVars) * strlen(kernel));
2218	if (index)
2219	i = *index;	i = 0;
2220	else	indexVars[i] = strtol(kernel, &chptr, 10);
2221	i = 0;	while (*chptr == ',') {
2222		i++;
2223		kernel = chptr + 1;
2224		indexVars[i] = strtol(kernel, &chptr, 10);
2225		}
2226
2227	while ((entry = findEntryByIndex(config, i))) {	if (*chptr) {
2228	if (!entry->skip) break;	/* can't parse it, bail */
2229	i++;	return NULL;
2230	}	}
2231
2232	if (entry && index)	indexVars[i + 1] = -1;
2233	*index = i;
2234	} else {	i = 0;
2235	if (index)	if (index) {
2236	i = *index;	while (i < *index) {
2237	else	i++;
2238	i = 0;	if (indexVars[i] == -1)
2239		return NULL;
2240		}
2241		}
2242
2243		entry = findEntryByIndex(config, indexVars[i]);
2244		if (!entry)
2245		return NULL;
2246
2247		line =
2248		getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI |
2249		LT_KERNEL_16, entry->lines);
2250		if (!line)
2251		return NULL;
2252
2253		if (index)
2254		*index = indexVars[i];
2255		return entry;
2256		}
2257
2258		if (!strcmp(kernel, "DEFAULT")) {
2259		if (index && *index > config->defaultImage) {
2260		entry = NULL;
2261		} else {
2262		entry = findEntryByIndex(config, config->defaultImage);
2263		if (entry && entry->skip)
2264		entry = NULL;
2265		else if (index)
2266		*index = config->defaultImage;
2267		}
2268		} else if (!strcmp(kernel, "ALL")) {
2269		if (index)
2270		i = *index;
2271		else
2272		i = 0;
2273
2274		while ((entry = findEntryByIndex(config, i))) {
2275		if (!entry->skip)
2276		break;
2277		i++;
2278		}
2279
2280		if (entry && index)
2281		*index = i;
2282		} else {
2283		if (index)
2284		i = *index;
2285		else
2286		i = 0;
2287
2288		if (!strncmp(kernel, "TITLE=", 6)) {
2289		prefix = "";
2290		checkType = LT_TITLE | LT_MENUENTRY;
2291		kernel += 6;
2292		}
2293
2294	if (!strncmp(kernel, "TITLE=", 6)) {	for (entry = findEntryByIndex(config, i); entry;
2295	prefix = "";	entry = entry->next, i++) {
2296	checkType = LT_TITLE;	if (entry->skip)
2297	kernel += 6;	continue;
2298	}
2299		dbgPrintf("findEntryByPath looking for %d %s in %p\n",
2300	while ((entry = findEntryByIndex(config, i))) {	checkType, kernel, entry);
2301	line = entry->lines;
2302	while (line && line->type != checkType) line=line->next;	/* check all the lines matching checkType */
2303		for (line = entry->lines; line; line = line->next) {
2304		enum lineType_e ct = checkType;
2305	if (line && line->numElements >= 2 && !entry->skip) {	if (entry->multiboot && checkType == LT_KERNEL)
2306	rootspec = getRootSpecifier(line->elements[1].item);	ct = LT_KERNEL | LT_KERNEL_EFI |
2307	if (!strcmp(line->elements[1].item  +	LT_MBMODULE | LT_HYPER |
2308	((rootspec != NULL) ? strlen(rootspec) : 0),	LT_KERNEL_16;
2309	kernel + strlen(prefix)))	else if (checkType & LT_KERNEL)
2310	break;	ct = checkType | LT_KERNEL_EFI |
2311	}	LT_KERNEL_16;
2312		line = getLineByType(ct, line);
2313	/* have to check multiboot lines too */	if (!line)
2314	if (entry->multiboot) {	break; /* not found in this entry */
2315	while (line && line->type != LT_MBMODULE) line = line->next;
2316	if (line && line->numElements >= 2 && !entry->skip) {	if (line && line->type != LT_MENUENTRY &&
2317	rootspec = getRootSpecifier(line->elements[1].item);	line->numElements >= 2) {
2318	if (!strcmp(line->elements[1].item  +	rootspec =
2319	((rootspec != NULL) ? strlen(rootspec) : 0),	getRootSpecifier(line->elements[1].
2320	kernel + strlen(prefix)))	item);
2321	break;	if (!strcmp
2322	}	(line->elements[1].item +
2323	}	((rootspec !=
2324		NULL) ? strlen(rootspec) : 0),
2325		kernel + strlen(prefix)))
2326		break;
2327		}
2328		if (line->type == LT_MENUENTRY &&
2329		!strcmp(line->elements[1].item, kernel))
2330		break;
2331		}
2332
2333		/* make sure this entry has a kernel identifier; this skips
2334		* non-Linux boot entries (could find netbsd etc, though, which is
2335		* unfortunate)
2336		*/
2337		if (line
2338		&& getLineByType(LT_KERNEL | LT_HYPER |
2339		LT_KERNEL_EFI | LT_KERNEL_16,
2340		entry->lines))
2341		break; /* found 'im! */
2342		}
2343
2344	i++;	if (index)
2345		*index = i;
2346	}	}
2347
2348	if (index) *index = i;	return entry;
2349	}	}
2350
2351	if (!entry) return NULL;	struct singleEntry *findEntryByTitle(struct grubConfig *cfg, char *title,
2352		int *index)
2353		{
2354		struct singleEntry *entry;
2355		struct singleLine *line;
2356		int i;
2357		char *newtitle;
2358
2359		for (i = 0, entry = cfg->entries; entry; entry = entry->next, i++) {
2360		if (index && i < *index)
2361		continue;
2362		line = getLineByType(LT_TITLE, entry->lines);
2363		if (!line)
2364		line = getLineByType(LT_MENUENTRY, entry->lines);
2365		if (!line)
2366		continue;
2367		newtitle = grub2ExtractTitle(line);
2368		if (!newtitle)
2369		continue;
2370		if (!strcmp(title, newtitle))
2371		break;
2372		}
2373
2374	/* make sure this entry has a kernel identifier; this skips non-Linux	if (!entry)
2375	boot entries (could find netbsd etc, though, which is unfortunate) */	return NULL;
	line = entry->lines;
	while (line && line->type != LT_KERNEL) line = line->next;
	if (!line) {
	if (!index) index = &i;
	(*index)++;
	return findEntryByPath(config, kernel, prefix, index);
	}
2376
2377	return entry;	if (index)
2378		*index = i;
2379		return entry;
2380	}	}
2381
2382	struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index) {	struct singleEntry *findEntryByIndex(struct grubConfig *cfg, int index)
2383	struct singleEntry * entry;	{
2384		struct singleEntry *entry;
2385
2386	entry = cfg->entries;	entry = cfg->entries;
2387	while (index && entry) {	while (index && entry) {
2388	entry = entry->next;	entry = entry->next;
2389	index--;	index--;
2390	}	}
2391
2392	return entry;	return entry;
2393	}	}
2394
2395	/* Find a good template to use for the new kernel. An entry is	/* Find a good template to use for the new kernel. An entry is
#	Line 1142  struct singleEntry * findEntryByIndex(st	Line 2397  struct singleEntry * findEntryByIndex(st
2397	* is going to be removed). Try and use the default entry, but	* is going to be removed). Try and use the default entry, but
2398	* if that doesn't work just take the first. If we can't find one,	* if that doesn't work just take the first. If we can't find one,
2399	* bail. */	* bail. */
2400	struct singleEntry * findTemplate(struct grubConfig * cfg, const char * prefix,	struct singleEntry *findTemplate(struct grubConfig *cfg, const char *prefix,
2401	int * indexPtr, int skipRemoved, int flags) {	int *indexPtr, int skipRemoved, int flags)
2402	struct singleEntry * entry, * entry2;	{
2403	int index;	struct singleEntry *entry, *entry2;
2404		int index;
2405	if (cfg->defaultImage > -1) {
2406	entry = findEntryByIndex(cfg, cfg->defaultImage);	if (cfg->cfi->defaultIsSaved) {
2407	if (entry && suitableImage(entry, prefix, skipRemoved, flags)) {	if (cfg->cfi->getEnv) {
2408	if (indexPtr) *indexPtr = cfg->defaultImage;	char *defTitle =
2409	return entry;	cfg->cfi->getEnv(cfg->cfi, "saved_entry");
2410		if (defTitle) {
2411		int index = 0;
2412		if (isnumber(defTitle)) {
2413		index = atoi(defTitle);
2414		entry = findEntryByIndex(cfg, index);
2415		} else {
2416		entry =
2417		findEntryByTitle(cfg, defTitle,
2418		&index);
2419		}
2420		if (entry
2421		&& suitableImage(entry, prefix, skipRemoved,
2422		flags)) {
2423		cfg->defaultImage = index;
2424		if (indexPtr)
2425		*indexPtr = index;
2426		return entry;
2427		}
2428		}
2429		}
2430		} else if (cfg->defaultImage >= FIRST_ENTRY_INDEX) {
2431		entry = findEntryByIndex(cfg, cfg->defaultImage);
2432		if (entry && suitableImage(entry, prefix, skipRemoved, flags)) {
2433		if (indexPtr)
2434		*indexPtr = cfg->defaultImage;
2435		return entry;
2436		}
2437	}	}
	}
2438
2439	index = 0;	index = 0;
2440	while ((entry = findEntryByIndex(cfg, index))) {	while ((entry = findEntryByIndex(cfg, index))) {
2441	if (suitableImage(entry, prefix, skipRemoved, flags)) {	if (suitableImage(entry, prefix, skipRemoved, flags)) {
2442	int j;	int j, unmodifiedIndex;
2443	for (j = 0; j < index; j++) {
2444	entry2 = findEntryByIndex(cfg, j);	unmodifiedIndex = index;
2445	if (entry2->skip) index--;
2446	}	for (j = 0; j < unmodifiedIndex; j++) {
2447	if (indexPtr) *indexPtr = index;	entry2 = findEntryByIndex(cfg, j);
2448		if (entry2->skip)
2449		index--;
2450		}
2451		if (indexPtr)
2452		*indexPtr = index;
2453
2454	return entry;	return entry;
2455	}	}
2456
2457	index++;	index++;
2458	}	}
2459
2460	fprintf(stderr, _("grubby fatal error: unable to find a suitable template\n"));	fprintf(stderr,
2461		_("grubby fatal error: unable to find a suitable template\n"));
2462
2463	return NULL;	return NULL;
2464	}	}
2465
2466	char * findBootPrefix(void) {	char *findBootPrefix(void)
2467	struct stat sb, sb2;	{
2468		struct stat sb, sb2;
2469
2470	stat("/", &sb);	stat("/", &sb);
2471	#ifdef __ia64__	#ifdef __ia64__
2472	stat("/boot/efi/EFI/redhat/", &sb2);	stat("/boot/efi/EFI/redhat/", &sb2);
2473	#else	#else
2474	stat("/boot", &sb2);	stat("/boot", &sb2);
2475	#endif	#endif
2476
2477	if (sb.st_dev == sb2.st_dev)	if (sb.st_dev == sb2.st_dev)
2478	return strdup("");	return strdup("");
2479
2480	#ifdef __ia64__	#ifdef __ia64__
2481	return strdup("/boot/efi/EFI/redhat/");	return strdup("/boot/efi/EFI/redhat/");
2482	#else	#else
2483	return strdup("/boot");	return strdup("/boot");
2484	#endif	#endif
2485	}	}
2486
2487	void markRemovedImage(struct grubConfig * cfg, const char * image,	void markRemovedImage(struct grubConfig *cfg, const char *image,
2488	const char * prefix) {	const char *prefix)
2489	struct singleEntry * entry;	{
2490		struct singleEntry *entry;
2491	if (!image) return;
2492		if (!image)
2493	while ((entry = findEntryByPath(cfg, image, prefix, NULL)))	return;
2494	entry->skip = 1;
2495	}	/* check and see if we're removing the default image */
2496		if (isdigit(*image)) {
2497	void setDefaultImage(struct grubConfig * config, int hasNew,	entry = findEntryByPath(cfg, image, prefix, NULL);
2498	const char * defaultKernelPath, int newIsDefault,	if (entry)
2499	const char * prefix, int flags) {	entry->skip = 1;
2500	struct singleEntry * entry, * entry2, * newDefault;	return;
2501	int i, j;	}
2502
2503	if (newIsDefault) {	while ((entry = findEntryByPath(cfg, image, prefix, NULL)))
2504	config->defaultImage = 0;	entry->skip = 1;
2505	return;	}
2506	} else if (defaultKernelPath) {
2507	i = 0;	void setDefaultImage(struct grubConfig *config, int isAddingBootEntry,
2508	if (findEntryByPath(config, defaultKernelPath, prefix, &i)) {	const char *defaultKernelPath, int newBootEntryIsDefault,
2509	config->defaultImage = i;	const char *prefix, int flags,
2510		int newDefaultBootEntryIndex, int newBootEntryIndex)
2511		{
2512		struct singleEntry *bootEntry, *newDefault;
2513		int indexToVerify, firstKernelEntryIndex, currentLookupIndex;
2514
2515		/* handle the two cases where the user explictly picks the default
2516		* boot entry index as it would exist post-modification */
2517
2518		/* Case 1: user chose to make the latest boot entry the default */
2519		if (newBootEntryIsDefault) {
2520		config->defaultImage = newBootEntryIndex;
2521		return;
2522		}
2523
2524		/* Case 2: user picked an arbitrary index as the default boot entry */
2525		if (newDefaultBootEntryIndex >= FIRST_ENTRY_INDEX
2526		&& config->cfi->defaultIsIndex) {
2527		indexToVerify = newDefaultBootEntryIndex;
2528
2529		/* user chose to make latest boot entry the default */
2530		if (newDefaultBootEntryIndex == newBootEntryIndex) {
2531		config->defaultImage = newBootEntryIndex;
2532		return;
2533		}
2534
2535		/* the user picks the default index based on the
2536		* order of the bootloader configuration after
2537		* modification; ensure we are checking for the
2538		* existence of the correct entry */
2539		if (newBootEntryIndex < newDefaultBootEntryIndex) {
2540		if (!config->isModified)
2541		indexToVerify--;
2542		}
2543
2544		/* verify the user selected index will exist */
2545		if (findEntryByIndex(config, indexToVerify)) {
2546		config->defaultImage = newDefaultBootEntryIndex;
2547		} else {
2548		config->defaultImage = NO_DEFAULT_ENTRY;
2549		}
2550
2551		return;
2552		}
2553
2554		/* handle cases where the index value may shift */
2555
2556		/* check validity of existing default or first-entry-found
2557		selection */
2558		if (defaultKernelPath) {
2559		/* user requested first-entry-found */
2560		if (!findEntryByPath(config, defaultKernelPath,
2561		prefix, &firstKernelEntryIndex)) {
2562		/* don't change default if can't find match */
2563		config->defaultImage = NO_DEFAULT_ENTRY;
2564		return;
2565		}
2566
2567		config->defaultImage = firstKernelEntryIndex;
2568
2569		/* this is where we start looking for decrement later */
2570		currentLookupIndex = config->defaultImage;
2571
2572		if (isAddingBootEntry && !config->isModified &&
2573		(newBootEntryIndex < config->defaultImage)) {
2574		/* increment because new entry added before default */
2575		config->defaultImage++;
2576		}
2577	} else {	} else {
2578	config->defaultImage = -1;	/* use pre-existing default entry */
2579	return;	currentLookupIndex = config->defaultImage;
2580
2581		if (isAddingBootEntry
2582		&& (newBootEntryIndex <= config->defaultImage)) {
2583		config->defaultImage++;
2584
2585		if (config->isModified) {
2586		currentLookupIndex++;
2587		}
2588		}
2589		}
2590
2591		/* sanity check - is this entry index valid? */
2592		bootEntry = findEntryByIndex(config, currentLookupIndex);
2593
2594		if ((bootEntry && bootEntry->skip) || !bootEntry) {
2595		/* entry is to be skipped or is invalid */
2596		if (isAddingBootEntry) {
2597		config->defaultImage = newBootEntryIndex;
2598		return;
2599		}
2600		newDefault =
2601		findTemplate(config, prefix, &config->defaultImage, 1,
2602		flags);
2603		if (!newDefault) {
2604		config->defaultImage = NO_DEFAULT_ENTRY;
2605		}
2606
2607		return;
2608		}
2609
2610		currentLookupIndex--;
2611
2612		/* decrement index by the total number of entries deleted */
2613
2614		for (indexToVerify = currentLookupIndex;
2615		indexToVerify >= FIRST_ENTRY_INDEX; indexToVerify--) {
2616
2617		bootEntry = findEntryByIndex(config, indexToVerify);
2618
2619		if (bootEntry && bootEntry->skip) {
2620		config->defaultImage--;
2621		}
2622	}	}
2623	}	}
2624
2625	/* defaultImage now points to what we'd like to use, but before any order	void setFallbackImage(struct grubConfig *config, int hasNew)
2626	changes */	{
2627	if (config->defaultImage == DEFAULT_SAVED)	struct singleEntry *entry, *entry2;
2628	/* default is set to saved, we don't want to change it */	int j;
2629	return;
2630		if (config->fallbackImage == -1)
2631	if (config->defaultImage > -1)	return;
2632	entry = findEntryByIndex(config, config->defaultImage);
2633	else	entry = findEntryByIndex(config, config->fallbackImage);
2634	entry = NULL;	if (!entry || entry->skip) {
2635		config->fallbackImage = -1;
2636		return;
2637		}
2638
	if (entry && !entry->skip) {
	/* we can preserve the default */
2639	if (hasNew)	if (hasNew)
2640	config->defaultImage++;	config->fallbackImage++;
2641
2642	/* count the number of entries erased before this one */	/* count the number of entries erased before this one */
2643	for (j = 0; j < config->defaultImage; j++) {	for (j = 0; j < config->fallbackImage; j++) {
2644	entry2 = findEntryByIndex(config, j);	entry2 = findEntryByIndex(config, j);
2645	if (entry2->skip) config->defaultImage--;	if (entry2->skip)
2646	}	config->fallbackImage--;
2647	} 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;
	}
2648	}	}
2649
2650	void setFallbackImage(struct grubConfig * config, int hasNew) {	void displayEntry(struct singleEntry *entry, const char *prefix, int index)
2651	struct singleEntry * entry, * entry2;	{
2652	int j;	struct singleLine *line;
2653		char *root = NULL;
2654	if (config->fallbackImage == -1) return;	int i;
2655		int j;
2656	entry = findEntryByIndex(config, config->fallbackImage);
2657	if (!entry || entry->skip) {	printf("index=%d\n", index);
2658	config->fallbackImage = -1;
2659	return;	line =
2660	}	getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI | LT_KERNEL_16,
2661		entry->lines);
2662		if (!line) {
2663		printf("non linux entry\n");
2664		return;
2665		}
2666
2667	if (hasNew)	if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))
2668	config->fallbackImage++;	printf("kernel=%s\n", line->elements[1].item);
2669		else
2670	/* count the number of entries erased before this one */	printf("kernel=%s%s\n", prefix, line->elements[1].item);
	for (j = 0; j < config->fallbackImage; j++) {
	entry2 = findEntryByIndex(config, j);
	if (entry2->skip) config->fallbackImage--;
	}
	}
2671
2672	void displayEntry(struct singleEntry * entry, const char * prefix, int index) {	if (line->numElements >= 3) {
2673	struct singleLine * line;	printf("args=\"");
2674	char * root = NULL;	i = 2;
2675	int i;	while (i < line->numElements) {
2676		if (!strncmp(line->elements[i].item, "root=", 5)) {
2677	line = entry->lines;	root = line->elements[i].item + 5;
2678	while (line && line->type != LT_KERNEL) line = line->next;	} else {
2679		printf("%s%s", line->elements[i].item,
2680	printf("index=%d\n", index);	line->elements[i].indent);
2681		}
2682	printf("kernel=%s\n", line->elements[1].item);
2683		i++;
2684	if (line->numElements >= 3) {	}
2685	printf("args=\"");	printf("\"\n");
2686	i = 2;	} else {
2687	while (i < line->numElements) {	line = getLineByType(LT_KERNELARGS, entry->lines);
2688	if (!strncmp(line->elements[i].item, "root=", 5)) {	if (line) {
2689	root = line->elements[i].item + 5;	char *s;
2690	} else {
2691	printf("%s%s", line->elements[i].item,	printf("args=\"");
2692	line->elements[i].indent);	i = 1;
2693	}	while (i < line->numElements) {
2694		if (!strncmp
2695		(line->elements[i].item, "root=", 5)) {
2696		root = line->elements[i].item + 5;
2697		} else {
2698		s = line->elements[i].item;
2699
2700		printf("%s%s", s,
2701		line->elements[i].indent);
2702		}
2703
2704	i++;	i++;
2705		}
2706
2707		s = line->elements[i - 1].indent;
2708		printf("\"\n");
2709		}
2710		}
2711
2712		if (!root) {
2713		line = getLineByType(LT_ROOT, entry->lines);
2714		if (line && line->numElements >= 2)
2715		root = line->elements[1].item;
2716	}	}
2717	printf("\"\n");
2718	} else {	if (root) {
2719	line = entry->lines;	char *s = alloca(strlen(root) + 1);
2720	while (line && line->type != LT_KERNELARGS) line=line->next;
2721		strcpy(s, root);
2722		if (s[strlen(s) - 1] == '"')
2723		s[strlen(s) - 1] = '\0';
2724		/* make sure the root doesn't have a trailing " */
2725		printf("root=%s\n", s);
2726		}
2727
2728		line =
2729		getLineByType(LT_INITRD | LT_INITRD_EFI | LT_INITRD_16,
2730		entry->lines);
2731
2732		if (line && line->numElements >= 2) {
2733		if (!strncmp(prefix, line->elements[1].item, strlen(prefix)))
2734		printf("initrd=");
2735		else
2736		printf("initrd=%s", prefix);
2737
2738		for (i = 1; i < line->numElements; i++)
2739		printf("%s%s", line->elements[i].item,
2740		line->elements[i].indent);
2741		printf("\n");
2742		}
2743
2744		line = getLineByType(LT_TITLE, entry->lines);
2745	if (line) {	if (line) {
2746	char * s;	printf("title=%s\n", line->elements[1].item);
2747		} else {
2748		char *title;
2749		line = getLineByType(LT_MENUENTRY, entry->lines);
2750		if (line) {
2751		title = grub2ExtractTitle(line);
2752		if (title)
2753		printf("title=%s\n", title);
2754		}
2755		}
2756
2757		for (j = 0, line = entry->lines; line; line = line->next) {
2758		if ((line->type & LT_MBMODULE) && line->numElements >= 2) {
2759		if (!strncmp
2760		(prefix, line->elements[1].item, strlen(prefix)))
2761		printf("mbmodule%d=", j);
2762		else
2763		printf("mbmodule%d=%s", j, prefix);
2764
2765		for (i = 1; i < line->numElements; i++)
2766		printf("%s%s", line->elements[i].item,
2767		line->elements[i].indent);
2768		printf("\n");
2769		j++;
2770		}
2771		}
2772		}
2773
2774		int isSuseSystem(void)
2775		{
2776		const char *path;
2777		const static char default_path[] = "/etc/SuSE-release";
2778
2779		if ((path = getenv("GRUBBY_SUSE_RELEASE")) == NULL)
2780		path = default_path;
2781
2782		if (!access(path, R_OK))
2783		return 1;
2784		return 0;
2785		}
2786
2787		int isSuseGrubConf(const char *path)
2788		{
2789		FILE *grubConf;
2790		char *line = NULL;
2791		size_t len = 0, res = 0;
2792
2793		grubConf = fopen(path, "r");
2794		if (!grubConf) {
2795		dbgPrintf("Could not open SuSE configuration file '%s'\n",
2796		path);
2797		return 0;
2798		}
2799
2800		while ((res = getline(&line, &len, grubConf)) != -1) {
2801		if (!strncmp(line, "setup", 5)) {
2802		fclose(grubConf);
2803		free(line);
2804		return 1;
2805		}
2806		}
2807
2808	printf("args=\"");	dbgPrintf("SuSE configuration file '%s' does not appear to be valid\n",
2809	i = 1;	path);
2810	while (i < line->numElements) {
2811	if (!strncmp(line->elements[i].item, "root=", 5)) {	fclose(grubConf);
2812	root = line->elements[i].item + 5;	free(line);
2813		return 0;
2814		}
2815
2816		int suseGrubConfGetLba(const char *path, int *lbaPtr)
2817		{
2818		FILE *grubConf;
2819		char *line = NULL;
2820		size_t res = 0, len = 0;
2821
2822		if (!path)
2823		return 1;
2824		if (!lbaPtr)
2825		return 1;
2826
2827		grubConf = fopen(path, "r");
2828		if (!grubConf)
2829		return 1;
2830
2831		while ((res = getline(&line, &len, grubConf)) != -1) {
2832		if (line[res - 1] == '\n')
2833		line[res - 1] = '\0';
2834		else if (len > res)
2835		line[res] = '\0';
2836		else {
2837		line = realloc(line, res + 1);
2838		line[res] = '\0';
2839		}
2840
2841		if (!strncmp(line, "setup", 5)) {
2842		if (strstr(line, "--force-lba")) {
2843		*lbaPtr = 1;
2844		} else {
2845		*lbaPtr = 0;
2846		}
2847		dbgPrintf("lba: %i\n", *lbaPtr);
2848		break;
2849		}
2850		}
2851
2852		free(line);
2853		fclose(grubConf);
2854		return 0;
2855		}
2856
2857		int suseGrubConfGetInstallDevice(const char *path, char **devicePtr)
2858		{
2859		FILE *grubConf;
2860		char *line = NULL;
2861		size_t res = 0, len = 0;
2862		char *lastParamPtr = NULL;
2863		char *secLastParamPtr = NULL;
2864		char installDeviceNumber = '\0';
2865		char *bounds = NULL;
2866
2867		if (!path)
2868		return 1;
2869		if (!devicePtr)
2870		return 1;
2871
2872		grubConf = fopen(path, "r");
2873		if (!grubConf)
2874		return 1;
2875
2876		while ((res = getline(&line, &len, grubConf)) != -1) {
2877		if (strncmp(line, "setup", 5))
2878		continue;
2879
2880		if (line[res - 1] == '\n')
2881		line[res - 1] = '\0';
2882		else if (len > res)
2883		line[res] = '\0';
2884		else {
2885		line = realloc(line, res + 1);
2886		line[res] = '\0';
2887		}
2888
2889		lastParamPtr = bounds = line + res;
2890
2891		/* Last parameter in grub may be an optional IMAGE_DEVICE */
2892		while (!isspace(*lastParamPtr))
2893		lastParamPtr--;
2894		lastParamPtr++;
2895
2896		secLastParamPtr = lastParamPtr - 2;
2897		dbgPrintf("lastParamPtr: %s\n", lastParamPtr);
2898
2899		if (lastParamPtr + 3 > bounds) {
2900		dbgPrintf("lastParamPtr going over boundary");
2901		fclose(grubConf);
2902		free(line);
2903		return 1;
2904		}
2905		if (!strncmp(lastParamPtr, "(hd", 3))
2906		lastParamPtr += 3;
2907		dbgPrintf("lastParamPtr: %c\n", *lastParamPtr);
2908
2909		/*
2910		* Second last parameter will decide wether last parameter is
2911		* an IMAGE_DEVICE or INSTALL_DEVICE
2912		*/
2913		while (!isspace(*secLastParamPtr))
2914		secLastParamPtr--;
2915		secLastParamPtr++;
2916
2917		if (secLastParamPtr + 3 > bounds) {
2918		dbgPrintf("secLastParamPtr going over boundary");
2919		fclose(grubConf);
2920		free(line);
2921		return 1;
2922		}
2923		dbgPrintf("secLastParamPtr: %s\n", secLastParamPtr);
2924		if (!strncmp(secLastParamPtr, "(hd", 3)) {
2925		secLastParamPtr += 3;
2926		dbgPrintf("secLastParamPtr: %c\n", *secLastParamPtr);
2927		installDeviceNumber = *secLastParamPtr;
2928	} else {	} else {
2929	s = line->elements[i].item;	installDeviceNumber = *lastParamPtr;
2930		}
2931
2932	printf("%s%s", s, line->elements[i].indent);	*devicePtr = malloc(6);
2933		snprintf(*devicePtr, 6, "(hd%c)", installDeviceNumber);
2934		dbgPrintf("installDeviceNumber: %c\n", installDeviceNumber);
2935		fclose(grubConf);
2936		free(line);
2937		return 0;
2938		}
2939
2940		free(line);
2941		fclose(grubConf);
2942		return 1;
2943		}
2944
2945		int grubGetBootFromDeviceMap(const char *device, char **bootPtr)
2946		{
2947		FILE *deviceMap;
2948		char *line = NULL;
2949		size_t res = 0, len = 0;
2950		char *devicePtr;
2951		char *bounds = NULL;
2952		const char *path;
2953		const static char default_path[] = "/boot/grub/device.map";
2954
2955		if (!device)
2956		return 1;
2957		if (!bootPtr)
2958		return 1;
2959
2960		if ((path = getenv("GRUBBY_GRUB_DEVICE_MAP")) == NULL)
2961		path = default_path;
2962
2963		dbgPrintf("opening grub device.map file from: %s\n", path);
2964		deviceMap = fopen(path, "r");
2965		if (!deviceMap)
2966		return 1;
2967
2968		while ((res = getline(&line, &len, deviceMap)) != -1) {
2969		if (!strncmp(line, "#", 1))
2970		continue;
2971
2972		if (line[res - 1] == '\n')
2973		line[res - 1] = '\0';
2974		else if (len > res)
2975		line[res] = '\0';
2976		else {
2977		line = realloc(line, res + 1);
2978		line[res] = '\0';
2979	}	}
2980
2981	i++;	devicePtr = line;
2982	}	bounds = line + res;
2983
2984		while ((isspace(*line) && ((devicePtr + 1) <= bounds)))
2985		devicePtr++;
2986		dbgPrintf("device: %s\n", devicePtr);
2987
2988		if (!strncmp(devicePtr, device, strlen(device))) {
2989		devicePtr += strlen(device);
2990		while (isspace(*devicePtr)
2991		&& ((devicePtr + 1) <= bounds))
2992		devicePtr++;
2993
2994	s = line->elements[i - 1].indent;	*bootPtr = strdup(devicePtr);
2995	printf("\"\n");	break;
2996		}
2997	}	}
	}
2998
2999	if (!root) {	free(line);
3000	line = entry->lines;	fclose(deviceMap);
3001	while (line && line->type != LT_ROOT) line = line->next;	return 0;
3002		}
3003
3004	if (line && line->numElements >= 2)	int suseGrubConfGetBoot(const char *path, char **bootPtr)
3005	root=line->elements[1].item;	{
3006	}	char *grubDevice;
3007
3008	if (root) {	if (suseGrubConfGetInstallDevice(path, &grubDevice))
3009	char * s = alloca(strlen(root) + 1);	dbgPrintf("error looking for grub installation device\n");
3010		else
3011	strcpy(s, root);	dbgPrintf("grubby installation device: %s\n", grubDevice);
	if (s[strlen(s) - 1] == '"')
	s[strlen(s) - 1] = '\0';
	/* make sure the root doesn't have a trailing " */
	printf("root=%s\n", s);
	}
3012
3013	line = entry->lines;	if (grubGetBootFromDeviceMap(grubDevice, bootPtr))
3014	while (line && line->type != LT_INITRD) line = line->next;	dbgPrintf("error looking for grub boot device\n");
3015		else
3016		dbgPrintf("grubby boot device: %s\n", *bootPtr);
3017
3018	if (line && line->numElements >= 2) {	free(grubDevice);
3019	printf("initrd=%s", prefix);	return 0;
	for (i = 1; i < line->numElements; i++)
	printf("%s%s", line->elements[i].item, line->elements[i].indent);
	printf("\n");
	}
3020	}	}
3021
3022	int parseSysconfigGrub(int * lbaPtr, char ** bootPtr) {	int parseSuseGrubConf(int *lbaPtr, char **bootPtr)
3023	FILE * in;	{
3024	char buf[1024];	/*
3025	char * chptr;	* This SuSE grub configuration file at this location is not your
3026	char * start;	* average grub configuration file, but instead the grub commands
3027	char * param;	* used to setup grub on that system.
3028		*/
3029	in = fopen("/etc/sysconfig/grub", "r");	const char *path;
3030	if (!in) return 1;	const static char default_path[] = "/etc/grub.conf";
	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);
	}
3031
3032	fclose(in);	if ((path = getenv("GRUBBY_SUSE_GRUB_CONF")) == NULL)
3033		path = default_path;
3034
3035	return 0;	if (!isSuseGrubConf(path))
3036		return 1;
3037
3038		if (lbaPtr) {
3039		*lbaPtr = 0;
3040		if (suseGrubConfGetLba(path, lbaPtr))
3041		return 1;
3042		}
3043
3044		if (bootPtr) {
3045		*bootPtr = NULL;
3046		suseGrubConfGetBoot(path, bootPtr);
3047		}
3048
3049		return 0;
3050	}	}
3051
3052	void dumpSysconfigGrub(void) {	int parseSysconfigGrub(int *lbaPtr, char **bootPtr)
3053	char * boot;	{
3054	int lba;	FILE *in;
3055		char buf[1024];
3056	if (!parseSysconfigGrub(&lba, &boot)) {	char *chptr;
3057	if (lba) printf("lba\n");	char *start;
3058	if (boot) printf("boot=%s\n", boot);	char *param;
3059	}
3060		in = fopen("/etc/sysconfig/grub", "r");
3061		if (!in)
3062		return 1;
3063
3064		if (lbaPtr)
3065		*lbaPtr = 0;
3066		if (bootPtr)
3067		*bootPtr = NULL;
3068
3069		while (fgets(buf, sizeof(buf), in)) {
3070		start = buf;
3071		while (isspace(*start))
3072		start++;
3073		if (*start == '#')
3074		continue;
3075
3076		chptr = strchr(start, '=');
3077		if (!chptr)
3078		continue;
3079		chptr--;
3080		while (*chptr && isspace(*chptr))
3081		chptr--;
3082		chptr++;
3083		*chptr = '\0';
3084
3085		param = chptr + 1;
3086		while (*param && isspace(*param))
3087		param++;
3088		if (*param == '=') {
3089		param++;
3090		while (*param && isspace(*param))
3091		param++;
3092		}
3093
3094		chptr = param;
3095		while (*chptr && !isspace(*chptr))
3096		chptr++;
3097		*chptr = '\0';
3098
3099		if (!strcmp(start, "forcelba") && !strcmp(param, "1") && lbaPtr)
3100		*lbaPtr = 1;
3101		else if (!strcmp(start, "boot") && bootPtr)
3102		*bootPtr = strdup(param);
3103		}
3104
3105		fclose(in);
3106
3107		return 0;
3108	}	}
3109
3110	int displayInfo(struct grubConfig * config, char * kernel,	void dumpSysconfigGrub(void)
3111	const char * prefix) {	{
3112	int i = 0;	char *boot = NULL;
3113	struct singleEntry * entry;	int lba;
3114	struct singleLine * line;
3115		if (isSuseSystem()) {
3116	entry = findEntryByPath(config, kernel, prefix, &i);	if (parseSuseGrubConf(&lba, &boot)) {
3117	if (!entry) {	free(boot);
3118	fprintf(stderr, _("grubby: kernel not found\n"));	return;
3119	return 1;	}
3120	}	} else {
3121		if (parseSysconfigGrub(&lba, &boot)) {
3122		free(boot);
3123		return;
3124		}
3125		}
3126
3127	/* this is a horrible hack to support /etc/sysconfig/grub; there must	if (lba)
3128	be a better way */	printf("lba\n");
3129	if (config->cfi == &grubConfigType) {	if (boot) {
3130	dumpSysconfigGrub();	printf("boot=%s\n", boot);
3131	} else {	free(boot);
	line = config->theLines;
	while (line && line->type != LT_BOOT) line = line->next;
	if (line && line->numElements >= 1) {
	printf("boot=%s\n", line->elements[1].item);
3132	}	}
3133		}
3134
3135	line = config->theLines;	int displayInfo(struct grubConfig *config, char *kernel, const char *prefix)
3136	while (line && line->type != LT_LBA) line = line->next;	{
3137	if (line) printf("lba\n");	int i = 0;
3138	}	struct singleEntry *entry;
3139		struct singleLine *line;
3140
3141		entry = findEntryByPath(config, kernel, prefix, &i);
3142		if (!entry) {
3143		fprintf(stderr, _("grubby: kernel not found\n"));
3144		return 1;
3145		}
3146
3147	displayEntry(entry, prefix, i);	/* this is a horrible hack to support /etc/sysconfig/grub; there must
3148		be a better way */
3149		if (config->cfi == &grubConfigType) {
3150		dumpSysconfigGrub();
3151		} else {
3152		line = getLineByType(LT_BOOT, config->theLines);
3153		if (line && line->numElements >= 1) {
3154		printf("boot=%s\n", line->elements[1].item);
3155		}
3156
3157		line = getLineByType(LT_LBA, config->theLines);
3158		if (line)
3159		printf("lba\n");
3160		}
3161
	i++;
	while ((entry = findEntryByPath(config, kernel, prefix, &i))) {
3162	displayEntry(entry, prefix, i);	displayEntry(entry, prefix, i);
3163
3164	i++;	i++;
3165	}	while ((entry = findEntryByPath(config, kernel, prefix, &i))) {
3166		displayEntry(entry, prefix, i);
3167		i++;
3168		}
3169
3170	return 0;	return 0;
3171		}
3172
3173		struct singleLine *addLineTmpl(struct singleEntry *entry,
3174		struct singleLine *tmplLine,
3175		struct singleLine *prevLine,
3176		const char *val, struct configFileInfo *cfi)
3177		{
3178		struct singleLine *newLine = lineDup(tmplLine);
3179
3180		if (isEfi && cfi == &grub2ConfigType) {
3181		enum lineType_e old = newLine->type;
3182		newLine->type = preferredLineType(newLine->type, cfi);
3183		if (old != newLine->type)
3184		newLine->elements[0].item =
3185		getKeyByType(newLine->type, cfi);
3186		}
3187
3188		if (val) {
3189		/* override the inherited value with our own.
3190		* This is a little weak because it only applies to elements[1]
3191		*/
3192		if (newLine->numElements > 1)
3193		removeElement(newLine, 1);
3194		insertElement(newLine, val, 1, cfi);
3195
3196		/* but try to keep the rootspec from the template... sigh */
3197		if (tmplLine->
3198		type & (LT_HYPER | LT_KERNEL | LT_MBMODULE | LT_INITRD |
3199		LT_KERNEL_EFI | LT_INITRD_EFI | LT_KERNEL_16 |
3200		LT_INITRD_16)) {
3201		char *rootspec =
3202		getRootSpecifier(tmplLine->elements[1].item);
3203		if (rootspec != NULL) {
3204		free(newLine->elements[1].item);
3205		newLine->elements[1].item =
3206		sdupprintf("%s%s", rootspec, val);
3207		}
3208		}
3209		}
3210
3211		dbgPrintf("addLineTmpl(%s)\n", newLine->numElements ?
3212		newLine->elements[0].item : "");
3213
3214		if (!entry->lines) {
3215		/* first one on the list */
3216		entry->lines = newLine;
3217		} else if (prevLine) {
3218		/* add after prevLine */
3219		newLine->next = prevLine->next;
3220		prevLine->next = newLine;
3221		}
3222
3223		return newLine;
3224	}	}
3225
3226	/* val may be NULL */	/* val may be NULL */
3227	struct singleLine *  addLine(struct singleEntry * entry,	struct singleLine *addLine(struct singleEntry *entry,
3228	struct configFileInfo * cfi,	struct configFileInfo *cfi,
3229	enum lineType_e type, const char * defaultIndent,	enum lineType_e type, char *defaultIndent,
3230	char * val) {	const char *val)
3231	struct singleLine * line, * prev;	{
3232	int i;	struct singleLine *line, *prev;
3233		struct keywordTypes *kw;
3234	for (i = 0; cfi->keywords[i].key; i++)	struct singleLine tmpl;
3235	if (cfi->keywords[i].type == type) break;
3236	if (type != LT_TITLE || !cfi->titleBracketed)	/* NB: This function shouldn't allocate items on the heap, rather on
3237	if (!cfi->keywords[i].key) abort();	* the stack since it calls addLineTmpl which will make copies.
3238		*/
3239	/* The last non-empty line gives us the indention to us and the line	if (type == LT_TITLE && cfi->titleBracketed) {
3240	to insert after. Note that comments are considered empty lines, which	/* we're doing a bracketed title (zipl) */
3241	may not be ideal? If there are no lines or we are looking at the	tmpl.type = type;
3242	first line, we use defaultIndent (the first line is normally indented	tmpl.numElements = 1;
3243	differently from the rest) */	tmpl.elements = alloca(sizeof(*tmpl.elements));
3244	if (entry->lines) {	tmpl.elements[0].item = alloca(strlen(val) + 3);
3245	line = entry->lines;	sprintf(tmpl.elements[0].item, "[%s]", val);
3246	prev = NULL;	tmpl.elements[0].indent = "";
3247	while (line) {	val = NULL;
3248	if (line->numElements) prev = line;	} else if (type == LT_MENUENTRY) {
3249	line = line->next;	char *lineend = "--class gnu-linux --class gnu --class os {";
3250		if (!val) {
3251		fprintf(stderr,
3252		"Line type LT_MENUENTRY requires a value\n");
3253		abort();
3254		}
3255		kw = getKeywordByType(type, cfi);
3256		if (!kw) {
3257		fprintf(stderr,
3258		"Looking up keyword for unknown type %d\n",
3259		type);
3260		abort();
3261		}
3262		tmpl.indent = "";
3263		tmpl.type = type;
3264		tmpl.numElements = 3;
3265		tmpl.elements =
3266		alloca(sizeof(*tmpl.elements) * tmpl.numElements);
3267		tmpl.elements[0].item = kw->key;
3268		tmpl.elements[0].indent = alloca(2);
3269		sprintf(tmpl.elements[0].indent, "%c", kw->nextChar);
3270		tmpl.elements[1].item = (char *)val;
3271		tmpl.elements[1].indent = alloca(2);
3272		sprintf(tmpl.elements[1].indent, "%c", kw->nextChar);
3273		tmpl.elements[2].item = alloca(strlen(lineend) + 1);
3274		strcpy(tmpl.elements[2].item, lineend);
3275		tmpl.elements[2].indent = "";
3276		} else {
3277		kw = getKeywordByType(type, cfi);
3278		if (!kw) {
3279		fprintf(stderr,
3280		"Looking up keyword for unknown type %d\n",
3281		type);
3282		abort();
3283		}
3284		tmpl.type = type;
3285		tmpl.numElements = val ? 2 : 1;
3286		tmpl.elements =
3287		alloca(sizeof(*tmpl.elements) * tmpl.numElements);
3288		tmpl.elements[0].item = kw->key;
3289		tmpl.elements[0].indent = alloca(2);
3290		sprintf(tmpl.elements[0].indent, "%c", kw->nextChar);
3291		if (val) {
3292		tmpl.elements[1].item = (char *)val;
3293		tmpl.elements[1].indent = "";
3294		}
3295	}	}
	if (!prev) {
	/* just use the last line */
	prev = entry->lines;
	while (prev->next) prev = prev->next;
	}
	line = prev->next;
	prev->next = malloc(sizeof(*line));
	prev->next->next = line;
	line = prev->next;
3296
3297	if (prev == entry->lines)	/* The last non-empty line gives us the indention to us and the line
3298	line->indent = strdup(defaultIndent);	* to insert after. Note that comments are considered empty lines,
3299	else	* which may not be ideal? If there are no lines or we are looking at
3300	line->indent = strdup(prev->indent);	* the first line, we use defaultIndent (the first line is normally
3301	} else {	* indented differently from the rest) */
3302	line = malloc(sizeof(*line));	for (line = entry->lines, prev = NULL; line; line = line->next) {
3303	line->indent = strdup(defaultIndent);	if (line->numElements)
3304	line->next = NULL;	prev = line;
3305	}	/* fall back on the last line if prev isn't otherwise set */
3306		if (!line->next && !prev)
3307		prev = line;
3308		}
3309
3310		struct singleLine *menuEntry;
3311		menuEntry = getLineByType(LT_MENUENTRY, entry->lines);
3312		if (tmpl.type == LT_ENTRY_END) {
3313		if (menuEntry)
3314		tmpl.indent = menuEntry->indent;
3315		else
3316		tmpl.indent = defaultIndent ? : "";
3317		} else if (tmpl.type != LT_MENUENTRY) {
3318		if (menuEntry)
3319		tmpl.indent = "\t";
3320		else if (prev == entry->lines)
3321		tmpl.indent = defaultIndent ? : "";
3322		else
3323		tmpl.indent = prev->indent;
3324		}
3325
3326	if (type != LT_TITLE || !cfi->titleBracketed) {	return addLineTmpl(entry, &tmpl, prev, val, cfi);
3327	line->type = type;	}
3328	line->numElements = val ? 2 : 1;
3329	line->elements = malloc(sizeof(*line->elements) * line->numElements);	void removeLine(struct singleEntry *entry, struct singleLine *line)
3330	line->elements[0].item = strdup(cfi->keywords[i].key);	{
3331	line->elements[0].indent = malloc(2);	struct singleLine *prev;
3332	line->elements[0].indent[0] = cfi->keywords[i].nextChar;	int i;
3333	line->elements[0].indent[1] = '\0';
3334		for (i = 0; i < line->numElements; i++) {
3335	if (val) {	free(line->elements[i].item);
3336	line->elements[1].item = val;	free(line->elements[i].indent);
3337	line->elements[1].indent = strdup("");	}
3338	}	free(line->elements);
3339	} else {	free(line->indent);
3340	/* we're doing the title of a bracketed title (zipl) */
3341	line->type = type;	if (line == entry->lines) {
3342	line->numElements = 1;	entry->lines = line->next;
3343	line->elements = malloc(sizeof(*line->elements) * line->numElements);	} else {
3344		prev = entry->lines;
3345	line->elements[0].item = malloc(strlen(val) + 3);	while (prev->next != line)
3346	sprintf(line->elements[0].item, "[%s]", val);	prev = prev->next;
3347	line->elements[0].indent = strdup("");	prev->next = line->next;
3348	}	}
3349
3350	return line;	free(line);
3351	}	}
3352
3353	void removeLine(struct singleEntry * entry, struct singleLine * line) {	static void requote(struct singleLine *tmplLine, struct configFileInfo *cfi)
3354	struct singleLine * prev;	{
3355	int i;	struct singleLine newLine = {
3356		.indent = tmplLine->indent,
3357		.type = tmplLine->type,
3358		.next = tmplLine->next,
3359		};
3360		int firstQuotedItem = -1;
3361		int quoteLen = 0;
3362		int j;
3363		int element = 0;
3364		char *c;
3365
3366		c = malloc(strlen(tmplLine->elements[0].item) + 1);
3367		strcpy(c, tmplLine->elements[0].item);
3368		insertElement(&newLine, c, element++, cfi);
3369		free(c);
3370		c = NULL;
3371
3372		for (j = 1; j < tmplLine->numElements; j++) {
3373		if (firstQuotedItem == -1) {
3374		quoteLen += strlen(tmplLine->elements[j].item);
3375
3376		if (isquote(tmplLine->elements[j].item[0])) {
3377		firstQuotedItem = j;
3378		quoteLen +=
3379		strlen(tmplLine->elements[j].indent);
3380		} else {
3381		c = malloc(quoteLen + 1);
3382		strcpy(c, tmplLine->elements[j].item);
3383		insertElement(&newLine, c, element++, cfi);
3384		free(c);
3385		quoteLen = 0;
3386		}
3387		} else {
3388		int itemlen = strlen(tmplLine->elements[j].item);
3389		quoteLen += itemlen;
3390		quoteLen += strlen(tmplLine->elements[j].indent);
3391
3392		if (isquote(tmplLine->elements[j].item[itemlen - 1])) {
3393		c = malloc(quoteLen + 1);
3394		c[0] = '\0';
3395		for (int i = firstQuotedItem; i < j + 1; i++) {
3396		strcat(c, tmplLine->elements[i].item);
3397		strcat(c, tmplLine->elements[i].indent);
3398		}
3399		insertElement(&newLine, c, element++, cfi);
3400		free(c);
3401
3402		firstQuotedItem = -1;
3403		quoteLen = 0;
3404		}
3405		}
3406		}
3407		while (tmplLine->numElements)
3408		removeElement(tmplLine, 0);
3409		if (tmplLine->elements)
3410		free(tmplLine->elements);
3411
3412	for (i = 0; i < line->numElements; i++) {	tmplLine->numElements = newLine.numElements;
3413	free(line->elements[i].item);	tmplLine->elements = newLine.elements;
3414	free(line->elements[i].indent);	}
	}
	free(line->elements);
	free(line->indent);
3415
3416	if (line == entry->lines) {	static void insertElement(struct singleLine *line,
3417	entry->lines = line->next;	const char *item, int insertHere,
3418	} else {	struct configFileInfo *cfi)
3419	prev = entry->lines;	{
3420	while (prev->next != line) prev = prev->next;	struct keywordTypes *kw;
3421	prev->next = line->next;	char indent[2] = "";
3422	}
3423		/* sanity check */
3424		if (insertHere > line->numElements) {
3425		dbgPrintf
3426		("insertElement() adjusting insertHere from %d to %d\n",
3427		insertHere, line->numElements);
3428		insertHere = line->numElements;
3429		}
3430
3431		line->elements = realloc(line->elements, (line->numElements + 1) *
3432		sizeof(*line->elements));
3433		memmove(&line->elements[insertHere + 1],
3434		&line->elements[insertHere],
3435		(line->numElements - insertHere) * sizeof(*line->elements));
3436		line->elements[insertHere].item = strdup(item);
3437
3438		kw = getKeywordByType(line->type, cfi);
3439
3440		if (line->numElements == 0) {
3441		indent[0] = '\0';
3442		} else if (insertHere == 0) {
3443		indent[0] = kw->nextChar;
3444		} else if (kw->separatorChar != '\0') {
3445		indent[0] = kw->separatorChar;
3446		} else {
3447		indent[0] = ' ';
3448		}
3449
3450		if (insertHere > 0 && line->elements[insertHere - 1].indent[0] == '\0') {
3451		/* move the end-of-line forward */
3452		line->elements[insertHere].indent =
3453		line->elements[insertHere - 1].indent;
3454		line->elements[insertHere - 1].indent = strdup(indent);
3455		} else {
3456		line->elements[insertHere].indent = strdup(indent);
3457		}
3458
3459		line->numElements++;
3460
3461	free(line);	dbgPrintf("insertElement(%s, '%s%s', %d)\n",
3462		line->elements[0].item,
3463		line->elements[insertHere].item,
3464		line->elements[insertHere].indent, insertHere);
3465	}	}
3466
3467	int argMatch(const char * one, const char * two) {	static void removeElement(struct singleLine *line, int removeHere)
3468	char * first, * second;	{
3469	char * chptr;	int i;
3470
3471	first = strcpy(alloca(strlen(one) + 1), one);	/* sanity check */
3472	second = strcpy(alloca(strlen(two) + 1), two);	if (removeHere >= line->numElements)
3473		return;
3474	chptr = strchr(first, '=');
3475	if (chptr) *chptr = '\0';	dbgPrintf("removeElement(%s, %d:%s)\n", line->elements[0].item,
3476		removeHere, line->elements[removeHere].item);
3477	chptr = strchr(second, '=');
3478	if (chptr) *chptr = '\0';	free(line->elements[removeHere].item);
3479
3480	return strcmp(first, second);	if (removeHere > 1) {
3481	}	/* previous argument gets this argument's post-indentation */
3482		free(line->elements[removeHere - 1].indent);
3483	int updateActualImage(struct grubConfig * cfg, const char * image,	line->elements[removeHere - 1].indent =
3484	const char * prefix, const char * addArgs,	line->elements[removeHere].indent;
3485	const char * removeArgs, int multibootArgs) {	} else {
3486	struct singleEntry * entry;	free(line->elements[removeHere].indent);
	struct singleLine * line, * rootLine;
	int index = 0;
	int i, j, k;
	const char ** newArgs, ** oldArgs;
	const char ** arg;
	const char * chptr;
	int useKernelArgs = 0;
	int useRoot = 0;
	int firstElement;
	int *usedElements, *usedArgs;
	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;
3487	}	}
	}
3488
3489	if (!removeArgs) {	/* now collapse the array, but don't bother to realloc smaller */
3490	oldArgs = malloc(sizeof(*oldArgs));	for (i = removeHere; i < line->numElements - 1; i++)
3491	*oldArgs = NULL;	line->elements[i] = line->elements[i + 1];
3492	} else {
3493	if (poptParseArgvString(removeArgs, NULL, &oldArgs)) {	line->numElements--;
3494	fprintf(stderr,	}
3495	_("grubby: error separating arguments '%s'\n"), removeArgs);
3496	free(newArgs);	int argMatch(const char *one, const char *two)
3497	return 1;	{
3498		char *first, *second;
3499		char *chptr;
3500
3501		first = strcpy(alloca(strlen(one) + 1), one);
3502		second = strcpy(alloca(strlen(two) + 1), two);
3503
3504		chptr = strchr(first, '=');
3505		if (chptr)
3506		*chptr = '\0';
3507
3508		chptr = strchr(second, '=');
3509		if (chptr)
3510		*chptr = '\0';
3511
3512		return strcmp(first, second);
3513		}
3514
3515		int updateActualImage(struct grubConfig *cfg, const char *image,
3516		const char *prefix, const char *addArgs,
3517		const char *removeArgs, int multibootArgs)
3518		{
3519		struct singleEntry *entry;
3520		struct singleLine *line, *rootLine;
3521		int index = 0;
3522		int i, k;
3523		const char **newArgs, **oldArgs;
3524		const char **arg;
3525		int useKernelArgs, useRoot;
3526		int firstElement;
3527		int *usedElements;
3528		int doreplace;
3529
3530		if (!image)
3531		return 0;
3532
3533		if (!addArgs) {
3534		newArgs = malloc(sizeof(*newArgs));
3535		*newArgs = NULL;
3536		} else {
3537		if (poptParseArgvString(addArgs, NULL, &newArgs)) {
3538		fprintf(stderr,
3539		_("grubby: error separating arguments '%s'\n"),
3540		addArgs);
3541		return 1;
3542		}
3543	}	}
	}
3544
3545	for (i = 0; cfg->cfi->keywords[i].key; i++)	if (!removeArgs) {
3546	if (cfg->cfi->keywords[i].type == LT_KERNELARGS) break;	oldArgs = malloc(sizeof(*oldArgs));
3547		*oldArgs = NULL;
3548		} else {
3549		if (poptParseArgvString(removeArgs, NULL, &oldArgs)) {
3550		fprintf(stderr,
3551		_("grubby: error separating arguments '%s'\n"),
3552		removeArgs);
3553		free(newArgs);
3554		return 1;
3555		}
3556		}
3557
3558	if (cfg->cfi->keywords[i].key)	useKernelArgs = (getKeywordByType(LT_KERNELARGS, cfg->cfi)
3559	useKernelArgs = 1;	&& (!multibootArgs || cfg->cfi->mbConcatArgs));
3560
3561	for (i = 0; cfg->cfi->keywords[i].key; i++)	useRoot = (getKeywordByType(LT_ROOT, cfg->cfi)
3562	if (cfg->cfi->keywords[i].type == LT_ROOT) break;	&& !multibootArgs);
3563
3564	if (cfg->cfi->keywords[i].key)	for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
3565	useRoot = 1;
3566		if (multibootArgs && !entry->multiboot)
3567	k = 0;	continue;
3568	for (arg = newArgs; *arg; arg++)
3569	k++;	/* Determine where to put the args.  If this config supports
3570	usedArgs = calloc(k, sizeof(int));	* LT_KERNELARGS, use that.  Otherwise use
3571		* LT_HYPER/LT_KERNEL/LT_MBMODULE lines.
3572	while ((entry = findEntryByPath(cfg, image, prefix, &index))) {	*/
3573	index++;	if (useKernelArgs) {
3574		line = getLineByType(LT_KERNELARGS, entry->lines);
3575	line = entry->lines;	if (!line) {
3576	while (line && line->type != LT_KERNEL) line = line->next;	/* no LT_KERNELARGS, need to add it */
3577	if (!line) continue;	line = addLine(entry, cfg->cfi, LT_KERNELARGS,
3578	firstElement = 2;	cfg->secondaryIndent, NULL);
3579		}
3580	if (entry->multiboot && !multibootArgs) {	firstElement = 1;
3581	/* first mb module line is the real kernel */
3582	while (line && line->type != LT_MBMODULE) line = line->next;	} else if (multibootArgs) {
3583	firstElement = 2;	line = getLineByType(LT_HYPER, entry->lines);
3584	} else if (useKernelArgs) {	if (!line) {
3585	while (line && line->type != LT_KERNELARGS) line = line->next;	/* a multiboot entry without LT_HYPER? */
3586	firstElement = 1;	continue;
3587	}	}
3588		firstElement = 2;
	if (!line && useKernelArgs) {
	/* no append in there, need to add it */
	line = addLine(entry, cfg->cfi, LT_KERNELARGS, NULL, NULL);
	}
	usedElements = calloc(line->numElements, sizeof(int));
	k = 0;
	for (arg = newArgs; *arg; arg++) {
	if (usedArgs[k]) {
	k++;
	continue;
	}
	for (i = firstElement; i < line->numElements; i++) {
	if (usedElements[i])
	continue;
	if (!argMatch(line->elements[i].item, *arg)) {
	usedElements[i]=1;
	usedArgs[k]=1;
	break;
	}
	}
	chptr = strchr(*arg, '=');
3589
	if (i < line->numElements) {
	/* replace */
	free(line->elements[i].item);
	line->elements[i].item = strdup(*arg);
	} else if (useRoot && !strncmp(*arg, "root=/dev/", 10) && *chptr) {
	rootLine = entry->lines;
	while (rootLine && rootLine->type != LT_ROOT)
	rootLine = rootLine->next;
	if (!rootLine) {
	rootLine = addLine(entry, cfg->cfi, LT_ROOT, NULL, NULL);
	rootLine->elements = realloc(rootLine->elements,
	2 * sizeof(*rootLine->elements));
	rootLine->numElements++;
	rootLine->elements[1].indent = strdup("");
	rootLine->elements[1].item = strdup("");
	}
	free(rootLine->elements[1].item);
	rootLine->elements[1].item = strdup(chptr + 1);
	} else {
	/* append */
	line->elements = realloc(line->elements,
	(line->numElements + 1) * sizeof(*line->elements));
	line->elements[line->numElements].item = strdup(*arg);
	usedElements = realloc(usedElements,
	(line->numElements + 1) * sizeof(int));
	usedElements[line->numElements] = 1;
	if (line->numElements > 1) {
	/* add to existing list of arguments */
	line->elements[line->numElements].indent =
	line->elements[line->numElements - 1].indent;
	line->elements[line->numElements - 1].indent = strdup(" ");
3590	} else {	} else {
3591	/* First thing on this line; treat a bit differently. Note	line =
3592	this is only possible if we've added a LT_KERNELARGS	getLineByType(LT_KERNEL | LT_MBMODULE |
3593	entry */	LT_KERNEL_EFI | LT_KERNEL_16,
3594	line->elements[line->numElements].indent = strdup("");	entry->lines);
3595		if (!line) {
3596		/* no LT_KERNEL or LT_MBMODULE in this entry? */
3597		continue;
3598		}
3599		firstElement = 2;
3600	}	}
3601
3602	line->numElements++;	/* handle the elilo case which does:
3603		*   append="hypervisor args -- kernel args"
3604		*/
3605		if (entry->multiboot && cfg->cfi->mbConcatArgs) {
3606		/* this is a multiboot entry, make sure there's
3607		* -- on the args line
3608		*/
3609		for (i = firstElement; i < line->numElements; i++) {
3610		if (!strcmp(line->elements[i].item, "--"))
3611		break;
3612		}
3613		if (i == line->numElements) {
3614		/* assume all existing args are kernel args,
3615		* prepend -- to make it official
3616		*/
3617		insertElement(line, "--", firstElement,
3618		cfg->cfi);
3619		i = firstElement;
3620		}
3621		if (!multibootArgs) {
3622		/* kernel args start after the -- */
3623		firstElement = i + 1;
3624		}
3625		} else if (cfg->cfi->mbConcatArgs) {
3626		/* this is a non-multiboot entry, remove hyper args */
3627		for (i = firstElement; i < line->numElements; i++) {
3628		if (!strcmp(line->elements[i].item, "--"))
3629		break;
3630		}
3631		if (i < line->numElements) {
3632		/* remove args up to -- */
3633		while (strcmp
3634		(line->elements[firstElement].item,
3635		"--"))
3636		removeElement(line, firstElement);
3637		/* remove -- */
3638		removeElement(line, firstElement);
3639		}
3640		}
3641
3642		usedElements = calloc(line->numElements, sizeof(*usedElements));
3643
3644	/* if we updated a root= here even though there is a	for (k = 0, arg = newArgs; *arg; arg++, k++) {
3645	LT_ROOT available we need to remove the LT_ROOT entry
3646	(this will happen if we switch from a device to a label) */	doreplace = 1;
3647	if (useRoot && !strncmp(*arg, "root=", 5)) {	for (i = firstElement; i < line->numElements; i++) {
3648	rootLine = entry->lines;	if (multibootArgs && cfg->cfi->mbConcatArgs &&
3649	while (rootLine && rootLine->type != LT_ROOT)	!strcmp(line->elements[i].item, "--")) {
3650	rootLine = rootLine->next;	/* reached the end of hyper args, insert here */
3651	if (rootLine) {	doreplace = 0;
3652	removeLine(entry, rootLine);	break;
3653	}	}
3654	}	if (usedElements[i])
3655	}	continue;
3656	k++;	if (!argMatch(line->elements[i].item, *arg)) {
3657	}	usedElements[i] = 1;
3658		break;
3659	free(usedElements);	}
3660		}
3661	/* no arguments to remove (i.e. no append line) */
3662	if (!line) continue;	if (i < line->numElements && doreplace) {
3663		/* direct replacement */
3664	/* this won't remove an LT_ROOT item properly (but then again,	free(line->elements[i].item);
3665	who cares? */	line->elements[i].item = strdup(*arg);
3666	for (arg = oldArgs; *arg; arg++) {
3667	for (i = firstElement; i < line->numElements; i++)	} else if (useRoot && !strncmp(*arg, "root=/dev/", 10)) {
3668	if (!argMatch(line->elements[i].item, *arg))	/* root= replacement */
3669	break;	rootLine = getLineByType(LT_ROOT, entry->lines);
3670		if (rootLine) {
3671	if (i < line->numElements) {	free(rootLine->elements[1].item);
3672	/* if this isn't the first argument the previous argument	rootLine->elements[1].item =
3673	gets this arguments post-indention */	strdup(*arg + 5);
3674	if (i > firstElement) {	} else {
3675	free(line->elements[i - 1].indent);	rootLine =
3676	line->elements[i - 1].indent = line->elements[i].indent;	addLine(entry, cfg->cfi, LT_ROOT,
3677		cfg->secondaryIndent,
3678		*arg + 5);
3679		}
3680		}
3681
3682		else {
3683		/* insert/append */
3684		insertElement(line, *arg, i, cfg->cfi);
3685		usedElements =
3686		realloc(usedElements,
3687		line->numElements *
3688		sizeof(*usedElements));
3689		memmove(&usedElements[i + 1], &usedElements[i],
3690		line->numElements - i - 1);
3691		usedElements[i] = 1;
3692
3693		/* if we updated a root= here even though
3694		* there is a LT_ROOT available we need to
3695		* remove the LT_ROOT entry (this will happen
3696		* if we switch from a device to a label) */
3697		if (useRoot && !strncmp(*arg, "root=", 5)) {
3698		rootLine =
3699		getLineByType(LT_ROOT,
3700		entry->lines);
3701		if (rootLine)
3702		removeLine(entry, rootLine);
3703		}
3704		}
3705	}	}
	free(line->elements[i].item);
3706
3707	for (j = i + 1; j < line->numElements; j++)	free(usedElements);
	line->elements[j - 1] = line->elements[j];
3708
3709	line->numElements--;	for (arg = oldArgs; *arg; arg++) {
3710	}	for (i = firstElement; i < line->numElements; i++) {
3711	}	if (multibootArgs && cfg->cfi->mbConcatArgs &&
3712		!strcmp(line->elements[i].item, "--"))
3713		/* reached the end of hyper args, stop here */
3714		break;
3715		if (!argMatch(line->elements[i].item, *arg)) {
3716		removeElement(line, i);
3717		break;
3718		}
3719		}
3720		/* handle removing LT_ROOT line too */
3721		if (useRoot && !strncmp(*arg, "root=", 5)) {
3722		rootLine = getLineByType(LT_ROOT, entry->lines);
3723		if (rootLine)
3724		removeLine(entry, rootLine);
3725		}
3726		}
3727
3728	if (line->numElements == 1) {	if (line->numElements == 1) {
3729	/* don't need the line at all (note it has to be a	/* don't need the line at all (note it has to be a
3730	LT_KERNELARGS for this to happen */	LT_KERNELARGS for this to happen */
3731	removeLine(entry, line);	removeLine(entry, line);
3732		}
3733	}	}
	}
3734
3735	free(usedArgs);	free(newArgs);
3736	free(newArgs);	free(oldArgs);
	free(oldArgs);
3737
3738	return 0;	return 0;
3739	}	}
3740
3741	int updateImage(struct grubConfig * cfg, const char * image,	int updateImage(struct grubConfig *cfg, const char *image,
3742	const char * prefix, const char * addArgs,	const char *prefix, const char *addArgs,
3743	const char * removeArgs,	const char *removeArgs,
3744	const char * addMBArgs, const char * removeMBArgs) {	const char *addMBArgs, const char *removeMBArgs)
3745	int rc = 0;	{
3746		int rc = 0;
3747	if (!image) return rc;
3748		if (!image)
3749	/* update the main args first... */	return rc;
3750	if (addArgs || removeArgs)
3751	rc = updateActualImage(cfg, image, prefix, addArgs, removeArgs, 0);	/* update the main args first... */
3752	if (rc) return rc;	if (addArgs || removeArgs)
3753		rc = updateActualImage(cfg, image, prefix, addArgs, removeArgs,
3754	/* and now any multiboot args */	0);
3755	if (addMBArgs || removeMBArgs)	if (rc)
3756	rc = updateActualImage(cfg, image, prefix, addMBArgs, removeMBArgs, 1);	return rc;
3757	return rc;
3758	}	/* and now any multiboot args */
3759		if (addMBArgs || removeMBArgs)
3760	int checkDeviceBootloader(const char * device, const unsigned char * boot) {	rc = updateActualImage(cfg, image, prefix, addMBArgs,
3761	int fd;	removeMBArgs, 1);
3762	unsigned char bootSect[512];	return rc;
3763	int offset;	}
	fd = open(device, O_RDONLY);
	if (fd < 0) {
	fprintf(stderr, _("grubby: unable to open %s: %s\n"),
	device, strerror(errno));
	return 1;
	}
3764
3765	if (read(fd, bootSect, 512) != 512) {	int addMBInitrd(struct grubConfig *cfg, const char *newMBKernel,
3766	fprintf(stderr, _("grubby: unable to read %s: %s\n"),	const char *image, const char *prefix, const char *initrd,
3767	device, strerror(errno));	const char *title)
3768	return 1;	{
3769	}	struct singleEntry *entry;
3770	close(fd);	struct singleLine *line, *kernelLine, *endLine = NULL;
3771		int index = 0;
3772
3773		if (!image)
3774		return 0;
3775
3776		for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
3777		kernelLine = getLineByType(LT_MBMODULE, entry->lines);
3778		if (!kernelLine)
3779		continue;
3780
3781		/* if title is supplied, the entry's title must match it. */
3782		if (title) {
3783		char *linetitle;
3784
3785		line =
3786		getLineByType(LT_TITLE | LT_MENUENTRY,
3787		entry->lines);
3788		if (!line)
3789		continue;
3790
3791		linetitle = extractTitle(cfg, line);
3792		if (!linetitle)
3793		continue;
3794		if (strcmp(title, linetitle)) {
3795		free(linetitle);
3796		continue;
3797		}
3798		free(linetitle);
3799		}
3800
3801	/* first three bytes should match, a jmp short should be in there */	if (prefix) {
3802	if (memcmp(boot, bootSect, 3))	int prefixLen = strlen(prefix);
3803	return 0;	if (!strncmp(initrd, prefix, prefixLen))
3804		initrd += prefixLen;
3805		}
3806		endLine = getLineByType(LT_ENTRY_END, entry->lines);
3807		if (endLine)
3808		removeLine(entry, endLine);
3809		line =
3810		addLine(entry, cfg->cfi,
3811		preferredLineType(LT_MBMODULE, cfg->cfi),
3812		kernelLine->indent, initrd);
3813		if (!line)
3814		return 1;
3815		if (endLine) {
3816		line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL);
3817		if (!line)
3818		return 1;
3819		}
3820
3821	if (boot[1] == 0xeb) {	break;
3822	offset = boot[2] + 2;	}
	} else if (boot[1] == 0xe8 || boot[1] == 0xe9) {
	offset = (boot[3] << 8) + boot[2] + 2;
	} else if (boot[0] == 0xeb) {
	offset = boot[1] + 2;
	} else if (boot[0] == 0xe8 || boot[0] == 0xe9) {
	offset = (boot[2] << 8) + boot[1] + 2;
	} else {
	return 0;
	}
3823
	if (memcmp(boot + offset, bootSect + offset, CODE_SEG_SIZE))
3824	return 0;	return 0;
3825		}
3826
3827		int updateInitrd(struct grubConfig *cfg, const char *image,
3828		const char *prefix, const char *initrd, const char *title)
3829		{
3830		struct singleEntry *entry;
3831		struct singleLine *line, *kernelLine, *endLine = NULL;
3832		int index = 0;
3833
3834		if (!image)
3835		return 0;
3836
3837		for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) {
3838		kernelLine =
3839		getLineByType(LT_KERNEL | LT_KERNEL_EFI | LT_KERNEL_16,
3840		entry->lines);
3841		if (!kernelLine)
3842		continue;
3843
3844		/* if title is supplied, the entry's title must match it. */
3845		if (title) {
3846		char *linetitle;
3847
3848		line =
3849		getLineByType(LT_TITLE | LT_MENUENTRY,
3850		entry->lines);
3851		if (!line)
3852		continue;
3853
3854		linetitle = extractTitle(cfg, line);
3855		if (!linetitle)
3856		continue;
3857		if (strcmp(title, linetitle)) {
3858		free(linetitle);
3859		continue;
3860		}
3861		free(linetitle);
3862		}
3863
3864		line =
3865		getLineByType(LT_INITRD | LT_INITRD_EFI | LT_INITRD_16,
3866		entry->lines);
3867		if (line)
3868		removeLine(entry, line);
3869		if (prefix) {
3870		int prefixLen = strlen(prefix);
3871		if (!strncmp(initrd, prefix, prefixLen))
3872		initrd += prefixLen;
3873		}
3874		endLine = getLineByType(LT_ENTRY_END, entry->lines);
3875		if (endLine)
3876		removeLine(entry, endLine);
3877		enum lineType_e lt;
3878		switch (kernelLine->type) {
3879		case LT_KERNEL:
3880		lt = LT_INITRD;
3881		break;
3882		case LT_KERNEL_EFI:
3883		lt = LT_INITRD_EFI;
3884		break;
3885		case LT_KERNEL_16:
3886		lt = LT_INITRD_16;
3887		break;
3888		default:
3889		lt = preferredLineType(LT_INITRD, cfg->cfi);
3890		}
3891		line = addLine(entry, cfg->cfi, lt, kernelLine->indent, initrd);
3892		if (!line)
3893		return 1;
3894		if (endLine) {
3895		line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL);
3896		if (!line)
3897		return 1;
3898		}
3899
3900		break;
3901		}
3902
3903	return 2;	return 0;
3904	}	}
3905
3906	int checkLiloOnRaid(char * mdDev, const unsigned char * boot) {	int checkDeviceBootloader(const char *device, const unsigned char *boot)
3907	int fd;	{
3908	char buf[65536];	int fd;
3909	char * end;	unsigned char bootSect[512];
3910	char * chptr;	int offset;
3911	char * chptr2;
3912	int rc;	fd = open(device, O_RDONLY);
3913		if (fd < 0) {
3914		fprintf(stderr, _("grubby: unable to open %s: %s\n"),
3915		device, strerror(errno));
3916		return 1;
3917		}
3918
3919	/* it's on raid; we need to parse /proc/mdstat and check all of the	if (read(fd, bootSect, 512) != 512) {
3920	*raw* devices listed in there */	fprintf(stderr, _("grubby: unable to read %s: %s\n"),
3921		device, strerror(errno));
3922		return 1;
3923		}
3924		close(fd);
3925
3926		/* first three bytes should match, a jmp short should be in there */
3927		if (memcmp(boot, bootSect, 3))
3928		return 0;
3929
3930		if (boot[1] == JMP_SHORT_OPCODE) {
3931		offset = boot[2] + 2;
3932		} else if (boot[1] == 0xe8 || boot[1] == 0xe9) {
3933		offset = (boot[3] << 8) + boot[2] + 2;
3934		} else if (boot[0] == JMP_SHORT_OPCODE) {
3935		offset = boot[1] + 2;
3936		/*
3937		* it looks like grub, when copying stage1 into the mbr,
3938		* patches stage1 right after the JMP location, replacing
3939		* other instructions such as JMPs for NOOPs. So, relax the
3940		* check a little bit by skipping those different bytes.
3941		*/
3942		if ((bootSect[offset + 1] == NOOP_OPCODE)
3943		&& (bootSect[offset + 2] == NOOP_OPCODE)) {
3944		offset = offset + 3;
3945		}
3946		} else if (boot[0] == 0xe8 || boot[0] == 0xe9) {
3947		offset = (boot[2] << 8) + boot[1] + 2;
3948		} else {
3949		return 0;
3950		}
3951
3952	if (!strncmp(mdDev, "/dev/", 5))	if (memcmp(boot + offset, bootSect + offset, CODE_SEG_SIZE))
3953	mdDev += 5;	return 0;
3954
	if ((fd = open("/proc/mdstat", O_RDONLY)) < 0) {
	fprintf(stderr, _("grubby: failed to open /proc/mdstat: %s\n"),
	strerror(errno));
3955	return 2;	return 2;
3956	}	}
3957
3958	rc = read(fd, buf, sizeof(buf) - 1);	int checkLiloOnRaid(char *mdDev, const unsigned char *boot)
3959	if (rc < 0 || rc == (sizeof(buf) - 1)) {	{
3960	fprintf(stderr, _("grubby: failed to read /proc/mdstat: %s\n"),	int fd;
3961	strerror(errno));	char buf[65536];
3962		char *end;
3963		char *chptr;
3964		char *chptr2;
3965		int rc;
3966
3967		/* it's on raid; we need to parse /proc/mdstat and check all of the
3968		*raw* devices listed in there */
3969
3970		if (!strncmp(mdDev, "/dev/", 5))
3971		mdDev += 5;
3972
3973		if ((fd = open("/proc/mdstat", O_RDONLY)) < 0) {
3974		fprintf(stderr, _("grubby: failed to open /proc/mdstat: %s\n"),
3975		strerror(errno));
3976		return 2;
3977		}
3978
3979		rc = read(fd, buf, sizeof(buf) - 1);
3980		if (rc < 0 || rc == (sizeof(buf) - 1)) {
3981		fprintf(stderr, _("grubby: failed to read /proc/mdstat: %s\n"),
3982		strerror(errno));
3983		close(fd);
3984		return 2;
3985		}
3986	close(fd);	close(fd);
3987	return 2;	buf[rc] = '\0';
	}
	close(fd);
	buf[rc] = '\0';
3988
3989	chptr = buf;	chptr = buf;
3990	while (*chptr) {	while (*chptr) {
3991	end = strchr(chptr, '\n');	end = strchr(chptr, '\n');
3992	if (!end) break;	if (!end)
3993	*end = '\0';	break;
3994		*end = '\0';
3995
3996		if (!strncmp(chptr, mdDev, strlen(mdDev)) &&
3997		chptr[strlen(mdDev)] == ' ') {
3998
3999		/* found the device */
4000		while (*chptr && *chptr != ':')
4001		chptr++;
4002		chptr++;
4003		while (*chptr && isspace(*chptr))
4004		chptr++;
4005
4006		/* skip the "active" bit */
4007		while (*chptr && !isspace(*chptr))
4008		chptr++;
4009		while (*chptr && isspace(*chptr))
4010		chptr++;
4011
4012		/* skip the raid level */
4013		while (*chptr && !isspace(*chptr))
4014		chptr++;
4015		while (*chptr && isspace(*chptr))
4016		chptr++;
4017
4018		/* everything else is partition stuff */
4019		while (*chptr) {
4020		chptr2 = chptr;
4021		while (*chptr2 && *chptr2 != '[')
4022		chptr2++;
4023		if (!*chptr2)
4024		break;
4025
4026		/* yank off the numbers at the end */
4027		chptr2--;
4028		while (isdigit(*chptr2) && chptr2 > chptr)
4029		chptr2--;
4030		chptr2++;
4031		*chptr2 = '\0';
4032
4033		/* Better, now we need the /dev/ back. We're
4034		* done with everything before this point, so
4035		* we can just put the /dev/ part there.
4036		* There will always be room. */
4037		memcpy(chptr - 5, "/dev/", 5);
4038		rc = checkDeviceBootloader(chptr - 5, boot);
4039		if (rc != 2) {
4040		return rc;
4041		}
4042
4043		chptr = chptr2 + 1;
4044		/* skip the [11] bit */
4045		while (*chptr && !isspace(*chptr))
4046		chptr++;
4047		/* and move to the next one */
4048		while (*chptr && isspace(*chptr))
4049		chptr++;
4050		}
4051
4052	if (!strncmp(chptr, mdDev, strlen(mdDev)) &&	/*  we're good to go */
4053	chptr[strlen(mdDev)] == ' ') {	return 2;
4054		}
4055
4056	/* found the device */	chptr = end + 1;
4057	while (*chptr && *chptr != ':') chptr++;	}
4058	chptr++;
4059	while (*chptr && isspace(*chptr)) chptr++;	fprintf(stderr,
4060		_("grubby: raid device /dev/%s not found in /proc/mdstat\n"),
4061	/* skip the "active" bit */	mdDev);
4062	while (*chptr && !isspace(*chptr)) chptr++;	return 0;
4063	while (*chptr && isspace(*chptr)) chptr++;	}
	/* skip the raid level */
	while (*chptr && !isspace(*chptr)) chptr++;
	while (*chptr && isspace(*chptr)) chptr++;
	/* everything else is partition stuff */
	while (*chptr) {
	chptr2 = chptr;
	while (*chptr2 && *chptr2 != '[') chptr2++;
	if (!*chptr2) break;
	/* yank off the numbers at the end */
	chptr2--;
	while (isdigit(*chptr2) && chptr2 > chptr) chptr2--;
	chptr2++;
	*chptr2 = '\0';
	/* Better, now we need the /dev/ back. We're done with
	* everything before this point, so we can just put
	* the /dev/ part there. There will always be room. */
	memcpy(chptr - 5, "/dev/", 5);
	rc = checkDeviceBootloader(chptr - 5, boot);
	if (rc != 2) {
	return rc;
	}
	chptr = chptr2 + 1;
	/* skip the [11] bit */
	while (*chptr && !isspace(*chptr)) chptr++;
	/* and move to the next one */
	while (*chptr && isspace(*chptr)) chptr++;
	}
4064
4065	/*  we're good to go */	int checkForLilo(struct grubConfig *config)
4066	return 2;	{
4067		int fd;
4068		unsigned char boot[512];
4069		struct singleLine *line;
4070
4071		for (line = config->theLines; line; line = line->next)
4072		if (line->type == LT_BOOT)
4073		break;
4074
4075		if (!line) {
4076		fprintf(stderr,
4077		_
4078		("grubby: no boot line found in lilo configuration\n"));
4079		return 1;
4080	}	}
4081
4082	chptr = end + 1;	if (line->numElements != 2)
4083	}	return 1;
4084
4085	fprintf(stderr,	fd = open("/boot/boot.b", O_RDONLY);
4086	_("grubby: raid device /dev/%s not found in /proc/mdstat\n"),	if (fd < 0) {
4087	mdDev);	fprintf(stderr, _("grubby: unable to open %s: %s\n"),
4088	return 0;	"/boot/boot.b", strerror(errno));
4089	}	return 1;
4090		}
4091
4092	int checkForLilo(struct grubConfig * config) {	if (read(fd, boot, 512) != 512) {
4093	int fd;	fprintf(stderr, _("grubby: unable to read %s: %s\n"),
4094	unsigned char boot[512];	"/boot/boot.b", strerror(errno));
4095	struct singleLine * line;	return 1;
4096		}
4097	for (line = config->theLines; line; line = line->next)	close(fd);
	if (line->type == LT_BOOT) break;
	if (!line) {
	fprintf(stderr,
	_("grubby: no boot line found in lilo configuration\n"));
	return 1;
	}
4098
4099	if (line->numElements != 2) return 1;	if (!strncmp("/dev/md", line->elements[1].item, 7))
4100		return checkLiloOnRaid(line->elements[1].item, boot);
4101
4102	fd = open("/boot/boot.b", O_RDONLY);	return checkDeviceBootloader(line->elements[1].item, boot);
4103	if (fd < 0) {	}
4104	fprintf(stderr, _("grubby: unable to open %s: %s\n"),
4105	"/boot/boot.b", strerror(errno));	int checkForGrub2(struct grubConfig *config)
4106	return 1;	{
4107	}	if (!access("/etc/grub.d/", R_OK))
4108		return 2;
4109
	if (read(fd, boot, 512) != 512) {
	fprintf(stderr, _("grubby: unable to read %s: %s\n"),
	"/boot/boot.b", strerror(errno));
4110	return 1;	return 1;
4111	}	}
	close(fd);
4112
4113	if (!strncmp("/dev/md", line->elements[1].item, 7))	int checkForGrub(struct grubConfig *config)
4114	return checkLiloOnRaid(line->elements[1].item, boot);	{
4115		int fd;
4116		unsigned char bootSect[512];
4117		char *boot;
4118		int onSuse = isSuseSystem();
4119
4120		if (onSuse) {
4121		if (parseSuseGrubConf(NULL, &boot))
4122		return 0;
4123		} else {
4124		if (parseSysconfigGrub(NULL, &boot))
4125		return 0;
4126		}
4127
4128		/* assume grub is not installed -- not an error condition */
4129		if (!boot)
4130		return 0;
4131
4132		fd = open("/boot/grub/stage1", O_RDONLY);
4133		if (fd < 0)
4134		/* this doesn't exist if grub hasn't been installed */
4135		return 0;
4136
4137		if (read(fd, bootSect, 512) != 512) {
4138		fprintf(stderr, _("grubby: unable to read %s: %s\n"),
4139		"/boot/grub/stage1", strerror(errno));
4140		close(fd);
4141		return 1;
4142		}
4143		close(fd);
4144
4145	return checkDeviceBootloader(line->elements[1].item, boot);	/* The more elaborate checks do not work on SuSE. The checks done
4146		* seem to be reasonble (at least for now), so just return success
4147		*/
4148		if (onSuse)
4149		return 2;
4150
4151		return checkDeviceBootloader(boot, bootSect);
4152	}	}
4153
4154	int checkForGrub(struct grubConfig * config) {	int checkForExtLinux(struct grubConfig *config)
4155	int fd;	{
4156	unsigned char bootSect[512];	int fd;
4157	char * boot;	unsigned char bootSect[512];
4158		char *boot;
4159		char executable[] = "/boot/extlinux/extlinux";
4160
4161		printf("entered: checkForExtLinux()\n");
4162
4163		if (parseSysconfigGrub(NULL, &boot))
4164		return 0;
4165
4166		/* assume grub is not installed -- not an error condition */
4167		if (!boot)
4168		return 0;
4169
4170		fd = open(executable, O_RDONLY);
4171		if (fd < 0)
4172		/* this doesn't exist if grub hasn't been installed */
4173		return 0;
4174
4175		if (read(fd, bootSect, 512) != 512) {
4176		fprintf(stderr, _("grubby: unable to read %s: %s\n"),
4177		executable, strerror(errno));
4178		return 1;
4179		}
4180		close(fd);
4181
4182	if (parseSysconfigGrub(NULL, &boot))	return checkDeviceBootloader(boot, bootSect);
4183	return 0;	}
4184
4185	/* assume grub is not installed -- not an error condition */	int checkForYaboot(struct grubConfig *config)
4186	if (!boot)	{
4187	return 0;	/*
4188		* This is a simplistic check that we consider good enough for own puporses
4189		*
4190		* If we were to properly check if yaboot is *installed* we'd need to:
4191		* 1) get the system boot device (LT_BOOT)
4192		* 2) considering it's a raw filesystem, check if the yaboot binary matches
4193		*    the content on the boot device
4194		* 3) if not, copy the binary to a temporary file and run "addnote" on it
4195		* 4) check again if binary and boot device contents match
4196		*/
4197		if (!access("/etc/yaboot.conf", R_OK))
4198		return 2;
4199
4200	fd = open("/boot/grub/stage1", O_RDONLY);	return 1;
4201	if (fd < 0)	}
4202	/* this doesn't exist if grub hasn't been installed */
4203	return 0;	int checkForElilo(struct grubConfig *config)
4204		{
4205		if (!access("/etc/elilo.conf", R_OK))
4206		return 2;
4207
	if (read(fd, bootSect, 512) != 512) {
	fprintf(stderr, _("grubby: unable to read %s: %s\n"),
	"/boot/grub/stage1", strerror(errno));
4208	return 1;	return 1;
4209	}	}
	close(fd);
4210
4211	return checkDeviceBootloader(boot, bootSect);	static char *getRootSpecifier(char *str)
4212		{
4213		char *idx, *rootspec = NULL;
4214
4215		if (*str == '(') {
4216		idx = rootspec = strdup(str);
4217		while (*idx && (*idx != ')') && (!isspace(*idx)))
4218		idx++;
4219		*(++idx) = '\0';
4220		}
4221		return rootspec;
4222	}	}
4223
4224	static char * getRootSpecifier(char * str) {	static char *getInitrdVal(struct grubConfig *config,
4225	char * idx, * rootspec = NULL;	const char *prefix, struct singleLine *tmplLine,
4226		const char *newKernelInitrd,
4227		const char **extraInitrds, int extraInitrdCount)
4228		{
4229		char *initrdVal, *end;
4230		int i;
4231		size_t totalSize;
4232		size_t prefixLen;
4233		char separatorChar;
4234
4235		prefixLen = strlen(prefix);
4236		totalSize = strlen(newKernelInitrd) - prefixLen + 1 /* \0 */ ;
4237
4238		for (i = 0; i < extraInitrdCount; i++) {
4239		totalSize += sizeof(separatorChar);
4240		totalSize += strlen(extraInitrds[i]) - prefixLen;
4241		}
4242
4243		initrdVal = end = malloc(totalSize);
4244
4245		end = stpcpy(end, newKernelInitrd + prefixLen);
4246
4247		separatorChar = getKeywordByType(LT_INITRD, config->cfi)->separatorChar;
4248		for (i = 0; i < extraInitrdCount; i++) {
4249		const char *extraInitrd;
4250		int j;
4251
4252		extraInitrd = extraInitrds[i] + prefixLen;
4253		/* Don't add entries that are already there */
4254		if (tmplLine != NULL) {
4255		for (j = 2; j < tmplLine->numElements; j++)
4256		if (strcmp
4257		(extraInitrd,
4258		tmplLine->elements[j].item) == 0)
4259		break;
4260
4261	if (*str == '(') {	if (j != tmplLine->numElements)
4262	idx = rootspec = strdup(str);	continue;
4263	while(*idx && (*idx != ')') && (!isspace(*idx))) idx++;	}
4264	*(++idx) = '\0';
4265	}	*end++ = separatorChar;
4266	return rootspec;	end = stpcpy(end, extraInitrd);
4267		}
4268
4269		return initrdVal;
4270	}	}
4271
4272	int addNewKernel(struct grubConfig * config, struct singleEntry * template,	int addNewKernel(struct grubConfig *config, struct singleEntry *template,
4273	const char * prefix,	const char *prefix,
4274	char * newKernelPath, char * newKernelTitle,	const char *newKernelPath, const char *newKernelTitle,
4275	char * newKernelArgs, char * newKernelInitrd,	const char *newKernelArgs, const char *newKernelInitrd,
4276	char * newMBKernel, char * newMBKernelArgs) {	const char **extraInitrds, int extraInitrdCount,
4277	struct singleEntry * new;	const char *newMBKernel, const char *newMBKernelArgs,
4278	struct singleLine * newLine = NULL, * tmplLine = NULL, * lastLine = NULL;	const char *newDevTreePath, int newIndex)
4279	int needs;	{
4280	char * indent = NULL;	struct singleEntry *new, *entry, *prev = NULL;
4281	char * rootspec = NULL;	struct singleLine *newLine = NULL, *tmplLine = NULL, *masterLine = NULL;
4282	char * chptr;	int needs;
4283	int i;	char *indexs;
4284	enum lineType_e type;	char *chptr;
4285		int rc;
4286	if (!newKernelPath) return 0;
4287		if (!newKernelPath)
4288	/* if the newKernelTitle is too long silently munge it into something	return 0;
4289	* we can live with. truncating is first check, then we'll just mess with
4290	* it until it looks better */	rc = asprintf(&indexs, "%d", newIndex);
4291	if (config->cfi->maxTitleLength &&	if (rc < 0)
4292		return 1;
4293
4294		/* if the newKernelTitle is too long silently munge it into something
4295		* we can live with. truncating is first check, then we'll just mess with
4296		* it until it looks better */
4297		if (config->cfi->maxTitleLength &&
4298	(strlen(newKernelTitle) > config->cfi->maxTitleLength)) {	(strlen(newKernelTitle) > config->cfi->maxTitleLength)) {
4299	char * buf = alloca(config->cfi->maxTitleLength + 7);	char *buf = alloca(config->cfi->maxTitleLength + 7);
4300	char * numBuf = alloca(config->cfi->maxTitleLength + 1);	char *numBuf = alloca(config->cfi->maxTitleLength + 1);
4301	int i = 1;	int i = 1;
4302
4303		sprintf(buf, "TITLE=%.*s", config->cfi->maxTitleLength,
4304		newKernelTitle);
4305		while (findEntryByPath(config, buf, NULL, NULL)) {
4306		sprintf(numBuf, "%d", i++);
4307		strcpy(buf + strlen(buf) - strlen(numBuf), numBuf);
4308		}
4309
4310	sprintf(buf, "TITLE=%.*s", config->cfi->maxTitleLength, newKernelTitle);	newKernelTitle = buf + 6;
	while (findEntryByPath(config, buf, NULL, NULL)) {
	sprintf(numBuf, "%d", i++);
	strcpy(buf + strlen(buf) - strlen(numBuf), numBuf);
4311	}	}
4312
4313	newKernelTitle = buf + 6;	new = malloc(sizeof(*new));
4314	}	new->skip = 0;
4315		new->multiboot = 0;
4316		new->lines = NULL;
4317		entry = config->entries;
4318		for (unsigned int i = 0; i < newIndex; i++) {
4319		if (!entry)
4320		break;
4321		prev = entry;
4322		entry = entry->next;
4323		}
4324		new->next = entry;
4325
4326	new = malloc(sizeof(*new));	if (prev)
4327	new->skip = 0;	prev->next = new;
4328	new->multiboot = 0;	else
4329	new->next = config->entries;	config->entries = new;
	new->lines = NULL;
	config->entries = new;
	/* copy/update from the template */
	needs = KERNEL_KERNEL | KERNEL_INITRD | KERNEL_TITLE;
	if (newMBKernel) {
	needs |= KERNEL_MB;
	new->multiboot = 1;
	}
4330
4331	if (template) {	/* copy/update from the template */
4332	for (tmplLine = template->lines; tmplLine; tmplLine = tmplLine->next) {	needs = NEED_KERNEL | NEED_TITLE;
4333	/* remember the indention level; we may need it for new lines */	if (newKernelInitrd)
4334	if (tmplLine->numElements)	needs |= NEED_INITRD;
4335	indent = tmplLine->indent;	if (newMBKernel) {
4336		needs |= NEED_MB;
4337	/* skip comments */	new->multiboot = 1;
4338	chptr = tmplLine->indent;	}
4339	while (*chptr && isspace(*chptr)) chptr++;	if (newDevTreePath && getKeywordByType(LT_DEVTREE, config->cfi))
4340	if (*chptr == '#') continue;	needs |= NEED_DEVTREE;
4341
4342	/* we don't need an initrd here */	if (template) {
4343	if (tmplLine->type == LT_INITRD && !newKernelInitrd) continue;	for (masterLine = template->lines;
4344		masterLine && (tmplLine = lineDup(masterLine));
4345	if (tmplLine->type == LT_KERNEL &&	lineFree(tmplLine), masterLine = masterLine->next) {
4346	!template->multiboot && (needs & KERNEL_MB)) {	dbgPrintf("addNewKernel processing %d\n",
4347	struct singleLine *l;	tmplLine->type);
4348	needs &= ~ KERNEL_MB;
4349		/* skip comments */
4350	l = addLine(new, config->cfi, LT_KERNEL,	chptr = tmplLine->indent;
4351	config->secondaryIndent,	while (*chptr && isspace(*chptr))
4352	newMBKernel + strlen(prefix));	chptr++;
4353		if (*chptr == '#')
4354	tmplLine = lastLine;	continue;
4355	if (!new->lines) {
4356	new->lines = l;	if (iskernel(tmplLine->type)
4357	} else {	&& tmplLine->numElements >= 2) {
4358	newLine->next = l;	if (!template->multiboot && (needs & NEED_MB)) {
4359	newLine = l;	/* it's not a multiboot template and
4360	}	* this is the kernel line.  Try to
4361	continue;	* be intelligent about inserting the
4362	} else if (tmplLine->type == LT_KERNEL &&	* hypervisor at the same time.
4363	template->multiboot && !new->multiboot) {	*/
4364	continue; /* don't need multiboot kernel here */	if (config->cfi->mbHyperFirst) {
4365	}	/* insert the hypervisor first */
4366		newLine =
4367	if (!new->lines) {	addLine(new, config->cfi,
4368	newLine = malloc(sizeof(*newLine));	LT_HYPER,
4369	new->lines = newLine;	tmplLine->indent,
4370	} else {	newMBKernel +
4371	newLine->next = malloc(sizeof(*newLine));	strlen(prefix));
4372	newLine = newLine->next;	/* set up for adding the
4373	}	* kernel line */
4374		free(tmplLine->indent);
4375		tmplLine->indent =
4376	newLine->indent = strdup(tmplLine->indent);	strdup(config->
4377	newLine->next = NULL;	secondaryIndent);
4378	newLine->type = tmplLine->type;	needs &= ~NEED_MB;
4379	newLine->numElements = tmplLine->numElements;	}
4380	newLine->elements = malloc(sizeof(*newLine->elements) *	if (needs & NEED_KERNEL) {
4381	newLine->numElements);	/* use addLineTmpl to
4382	for (i = 0; i < newLine->numElements; i++) {	* preserve line elements,
4383	newLine->elements[i].item = strdup(tmplLine->elements[i].item);	* otherwise we could just
4384	newLine->elements[i].indent =	* call addLine.
4385	strdup(tmplLine->elements[i].indent);	* Unfortunately this means
4386	}	* making some changes to the
4387		* template such as the
4388	lastLine = tmplLine;	* indent change above and
4389	if (tmplLine->type == LT_KERNEL && tmplLine->numElements >= 2) {	* the type change below.
4390	char * repl;	*/
4391	if (!template->multiboot) {	struct keywordTypes *mbm_kw =
4392	needs &= ~KERNEL_KERNEL;	getKeywordByType
4393	repl = newKernelPath;	(LT_MBMODULE, config->cfi);
4394	} else {	if (mbm_kw) {
4395	needs &= ~KERNEL_MB;	tmplLine->type =
4396	repl = newMBKernel;	LT_MBMODULE;
4397	}	free(tmplLine->
4398	if (new->multiboot && !template->multiboot) {	elements[0].item);
4399	free(newLine->elements[0].item);	tmplLine->elements[0].
4400	newLine->elements[0].item = strdup("module");	item =
4401	newLine->type = LT_MBMODULE;	strdup(mbm_kw->key);
4402	}	}
4403	free(newLine->elements[1].item);	newLine =
4404	rootspec = getRootSpecifier(tmplLine->elements[1].item);	addLineTmpl(new, tmplLine,
4405	if (rootspec != NULL) {	newLine,
4406	newLine->elements[1].item = sdupprintf("%s%s",	newKernelPath +
4407	rootspec,	strlen(prefix),
4408	repl +	config->cfi);
4409	strlen(prefix));	needs &= ~NEED_KERNEL;
4410	} else {	}
4411	newLine->elements[1].item = strdup(repl +	if (needs & NEED_MB) { /* !mbHyperFirst */
4412	strlen(prefix));	newLine =
4413	}	addLine(new, config->cfi,
4414	} else if (tmplLine->type == LT_MBMODULE &&	LT_HYPER,
4415	tmplLine->numElements >= 2 && (needs & KERNEL_KERNEL)) {	config->
4416	needs &= ~KERNEL_KERNEL;	secondaryIndent,
4417	if (!new->multiboot && template->multiboot) {	newMBKernel +
4418	free(newLine->elements[0].item);	strlen(prefix));
4419	newLine->elements[0].item = strdup("kernel");	needs &= ~NEED_MB;
4420	newLine->type = LT_KERNEL;	}
4421	}	} else if (needs & NEED_KERNEL) {
4422	free(newLine->elements[1].item);	newLine =
4423	rootspec = getRootSpecifier(tmplLine->elements[1].item);	addLineTmpl(new, tmplLine, newLine,
4424	if (rootspec != NULL) {	newKernelPath +
4425	newLine->elements[1].item = sdupprintf("%s%s",	strlen(prefix),
4426	rootspec,	config->cfi);
4427	newKernelPath +	needs &= ~NEED_KERNEL;
4428	strlen(prefix));	}
4429	} else {
4430	newLine->elements[1].item = strdup(newKernelPath +	} else if (tmplLine->type == LT_HYPER &&
4431	strlen(prefix));	tmplLine->numElements >= 2) {
4432	}	if (needs & NEED_MB) {
4433	} else if (tmplLine->type == LT_INITRD &&	newLine =
4434	tmplLine->numElements >= 2) {	addLineTmpl(new, tmplLine, newLine,
4435	needs &= ~KERNEL_INITRD;	newMBKernel +
4436	free(newLine->elements[1].item);	strlen(prefix),
4437	if (new->multiboot && !template->multiboot) {	config->cfi);
4438	free(newLine->elements[0].item);	needs &= ~NEED_MB;
4439	newLine->elements[0].item = strdup("module");	}
4440	newLine->type = LT_MBMODULE;
4441	}	} else if (tmplLine->type == LT_MBMODULE &&
4442	rootspec = getRootSpecifier(tmplLine->elements[1].item);	tmplLine->numElements >= 2) {
4443	if (rootspec != NULL) {	if (new->multiboot) {
4444	newLine->elements[1].item = sdupprintf("%s%s",	if (needs & NEED_KERNEL) {
4445	rootspec,	newLine =
4446	newKernelInitrd +	addLineTmpl(new, tmplLine,
4447	strlen(prefix));	newLine,
4448	} else {	newKernelPath +
4449	newLine->elements[1].item = strdup(newKernelInitrd +	strlen(prefix),
4450	strlen(prefix));	config->cfi);
4451	}	needs &= ~NEED_KERNEL;
4452	} else if (tmplLine->type == LT_MBMODULE &&	} else if (config->cfi->mbInitRdIsModule
4453	tmplLine->numElements >= 2 && (needs & KERNEL_INITRD)) {	&& (needs & NEED_INITRD)) {
4454	needs &= ~KERNEL_INITRD;	char *initrdVal;
4455	if (!new->multiboot && template->multiboot) {	initrdVal =
4456	free(newLine->elements[0].item);	getInitrdVal(config, prefix,
4457	newLine->elements[0].item = strdup("initrd");	tmplLine,
4458	newLine->type = LT_INITRD;	newKernelInitrd,
4459	}	extraInitrds,
4460	free(newLine->elements[1].item);	extraInitrdCount);
4461	rootspec = getRootSpecifier(tmplLine->elements[1].item);	newLine =
4462	if (rootspec != NULL) {	addLineTmpl(new, tmplLine,
4463	newLine->elements[1].item = sdupprintf("%s%s",	newLine,
4464	rootspec,	initrdVal,
4465	newKernelInitrd +	config->cfi);
4466	strlen(prefix));	free(initrdVal);
4467	} else {	needs &= ~NEED_INITRD;
4468	newLine->elements[1].item = strdup(newKernelInitrd +	}
4469	strlen(prefix));	} else if (needs & NEED_KERNEL) {
4470	}	/* template is multi but new is not,
4471	} else if (tmplLine->type == LT_TITLE &&	* insert the kernel in the first
4472	tmplLine->numElements >= 2) {	* module slot
4473	needs &= ~KERNEL_TITLE;	*/
4474		tmplLine->type =
4475	for (i = 1; i < newLine->numElements; i++) {	preferredLineType(LT_KERNEL,
4476	free(newLine->elements[i].item);	config->cfi);
4477	free(newLine->elements[i].indent);	free(tmplLine->elements[0].item);
4478	}	tmplLine->elements[0].item =
4479		strdup(getKeywordByType
4480	newLine->elements[1].item = strdup(newKernelTitle);	(tmplLine->type,
4481	newLine->elements[1].indent = strdup("");	config->cfi)->key);
4482	newLine->numElements = 2;	newLine =
4483	} else if (tmplLine->type == LT_TITLE &&	addLineTmpl(new, tmplLine, newLine,
4484	config->cfi->titleBracketed &&	newKernelPath +
4485	tmplLine->numElements == 1) {	strlen(prefix),
4486	needs &= ~KERNEL_TITLE;	config->cfi);
4487	free(newLine->elements[0].item);	needs &= ~NEED_KERNEL;
4488	free(newLine->elements[0].indent);	} else if (needs & NEED_INITRD) {
4489	newLine->elements = malloc(sizeof(*newLine->elements) *	char *initrdVal;
4490	newLine->numElements);	/* template is multi but new is not,
4491		* insert the initrd in the second
4492	newLine->elements[0].item = malloc(strlen(newKernelTitle) + 3);	* module slot
4493	sprintf(newLine->elements[0].item, "[%s]", newKernelTitle);	*/
4494	newLine->elements[0].indent = strdup("");	tmplLine->type =
4495	newLine->numElements = 1;	preferredLineType(LT_INITRD,
4496	}	config->cfi);
4497	}	free(tmplLine->elements[0].item);
4498	} else {	tmplLine->elements[0].item =
4499	for (i = 0; config->cfi->keywords[i].key; i++) {	strdup(getKeywordByType
4500	if ((config->cfi->keywords[i].type == config->cfi->entrySeparator) || (config->cfi->keywords[i].type == LT_OTHER))	(tmplLine->type,
4501	break;	config->cfi)->key);
4502	}	initrdVal =
4503		getInitrdVal(config, prefix,
4504		tmplLine,
4505		newKernelInitrd,
4506		extraInitrds,
4507		extraInitrdCount);
4508		newLine =
4509		addLineTmpl(new, tmplLine, newLine,
4510		initrdVal, config->cfi);
4511		free(initrdVal);
4512		needs &= ~NEED_INITRD;
4513		}
4514
4515		} else if (isinitrd(tmplLine->type)
4516		&& tmplLine->numElements >= 2) {
4517		if (needs & NEED_INITRD && new->multiboot
4518		&& !template->multiboot
4519		&& config->cfi->mbInitRdIsModule) {
4520		/* make sure we don't insert the
4521		* module initrd before the module
4522		* kernel... if we don't do it here,
4523		* it will be inserted following the
4524		* template.
4525		*/
4526		if (!needs & NEED_KERNEL) {
4527		char *initrdVal;
4528
4529		initrdVal =
4530		getInitrdVal(config, prefix,
4531		tmplLine,
4532		newKernelInitrd,
4533		extraInitrds,
4534		extraInitrdCount);
4535		newLine =
4536		addLine(new, config->cfi,
4537		LT_MBMODULE,
4538		config->
4539		secondaryIndent,
4540		initrdVal);
4541		free(initrdVal);
4542		needs &= ~NEED_INITRD;
4543		}
4544		} else if (needs & NEED_INITRD) {
4545		char *initrdVal;
4546		initrdVal =
4547		getInitrdVal(config, prefix,
4548		tmplLine,
4549		newKernelInitrd,
4550		extraInitrds,
4551		extraInitrdCount);
4552		newLine =
4553		addLineTmpl(new, tmplLine, newLine,
4554		initrdVal, config->cfi);
4555		free(initrdVal);
4556		needs &= ~NEED_INITRD;
4557		}
4558
4559		} else if (tmplLine->type == LT_MENUENTRY &&
4560		(needs & NEED_TITLE)) {
4561		requote(tmplLine, config->cfi);
4562		char *nkt = malloc(strlen(newKernelTitle) + 3);
4563		strcpy(nkt, "'");
4564		strcat(nkt, newKernelTitle);
4565		strcat(nkt, "'");
4566		newLine =
4567		addLineTmpl(new, tmplLine, newLine, nkt,
4568		config->cfi);
4569		free(nkt);
4570		needs &= ~NEED_TITLE;
4571		} else if (tmplLine->type == LT_TITLE &&
4572		(needs & NEED_TITLE)) {
4573		if (tmplLine->numElements >= 2) {
4574		newLine =
4575		addLineTmpl(new, tmplLine, newLine,
4576		newKernelTitle,
4577		config->cfi);
4578		needs &= ~NEED_TITLE;
4579		} else if (tmplLine->numElements == 1 &&
4580		config->cfi->titleBracketed) {
4581		/* addLineTmpl doesn't handle
4582		* titleBracketed */
4583		newLine =
4584		addLine(new, config->cfi, LT_TITLE,
4585		tmplLine->indent,
4586		newKernelTitle);
4587		needs &= ~NEED_TITLE;
4588		}
4589		} else if (tmplLine->type == LT_ECHO) {
4590		requote(tmplLine, config->cfi);
4591		static const char *prefix = "'Loading ";
4592		if (tmplLine->numElements > 1 &&
4593		strstr(tmplLine->elements[1].item, prefix)
4594		&& masterLine->next
4595		&& iskernel(masterLine->next->type)) {
4596		char *newTitle =
4597		malloc(strlen(prefix) +
4598		strlen(newKernelTitle) + 2);
4599
4600		strcpy(newTitle, prefix);
4601		strcat(newTitle, newKernelTitle);
4602		strcat(newTitle, "'");
4603		newLine =
4604		addLine(new, config->cfi, LT_ECHO,
4605		tmplLine->indent, newTitle);
4606		free(newTitle);
4607		} else {
4608		/* pass through other lines from the
4609		* template */
4610		newLine =
4611		addLineTmpl(new, tmplLine, newLine,
4612		NULL, config->cfi);
4613		}
4614		} else if (tmplLine->type == LT_DEVTREE &&
4615		tmplLine->numElements == 2
4616		&& newDevTreePath) {
4617		newLine =
4618		addLineTmpl(new, tmplLine, newLine,
4619		newDevTreePath + strlen(prefix),
4620		config->cfi);
4621		needs &= ~NEED_DEVTREE;
4622		} else if (tmplLine->type == LT_ENTRY_END
4623		&& needs & NEED_DEVTREE) {
4624		const char *ndtp = newDevTreePath;
4625		if (!strncmp
4626		(newDevTreePath, prefix, strlen(prefix)))
4627		ndtp += strlen(prefix);
4628		newLine = addLine(new, config->cfi, LT_DEVTREE,
4629		config->secondaryIndent,
4630		ndtp);
4631		needs &= ~NEED_DEVTREE;
4632		newLine =
4633		addLineTmpl(new, tmplLine, newLine, NULL,
4634		config->cfi);
4635		} else {
4636		/* pass through other lines from the template */
4637		newLine =
4638		addLineTmpl(new, tmplLine, newLine, NULL,
4639		config->cfi);
4640		}
4641		}
4642
4643	switch (config->cfi->keywords[i].type) {	} else {
4644	case LT_KERNEL:  needs &= ~KERNEL_KERNEL,	/* don't have a template, so start the entry with the
4645	chptr = newKernelPath + strlen(prefix);	* appropriate starting line
4646	type = LT_KERNEL; break;	*/
4647	case LT_TITLE:   needs &= ~KERNEL_TITLE, chptr = newKernelTitle;	switch (config->cfi->entryStart) {
4648	type = LT_TITLE; break;	case LT_KERNEL:
4649	default:	case LT_KERNEL_EFI:
4650	/* zipl strikes again */	case LT_KERNEL_16:
4651	if (config->cfi->titleBracketed) {	if (new->multiboot && config->cfi->mbHyperFirst) {
4652	needs &= ~KERNEL_TITLE;	/* fall through to LT_HYPER */
4653	chptr = newKernelTitle;	} else {
4654	type = LT_TITLE;	newLine = addLine(new, config->cfi,
4655	break;	preferredLineType(LT_KERNEL,
4656	} else {	config->
4657	abort();	cfi),
4658	}	config->primaryIndent,
4659	}	newKernelPath +
4660		strlen(prefix));
4661	newLine = addLine(new, config->cfi, type, config->primaryIndent, chptr);	needs &= ~NEED_KERNEL;
4662	new->lines = newLine;	break;
4663	}	}
4664
4665	if (new->multiboot) {	case LT_HYPER:
4666	if (needs & KERNEL_MB)	newLine = addLine(new, config->cfi, LT_HYPER,
4667	newLine = addLine(new, config->cfi, LT_KERNEL,	config->primaryIndent,
4668	config->secondaryIndent,	newMBKernel + strlen(prefix));
4669	newMBKernel + strlen(prefix));	needs &= ~NEED_MB;
4670	if (needs & KERNEL_KERNEL)	break;
4671	newLine = addLine(new, config->cfi, LT_MBMODULE,
4672	config->secondaryIndent,	case LT_MENUENTRY:{
4673	newKernelPath + strlen(prefix));	char *nkt = malloc(strlen(newKernelTitle) + 3);
4674	/* don't need to check for title as it's guaranteed to have been	strcpy(nkt, "'");
4675	* done as we only do multiboot with grub which uses title as	strcat(nkt, newKernelTitle);
4676	* a separator */	strcat(nkt, "'");
4677	if (needs & KERNEL_INITRD && newKernelInitrd)	newLine =
4678	newLine = addLine(new, config->cfi, LT_MBMODULE,	addLine(new, config->cfi, LT_MENUENTRY,
4679	config->secondaryIndent,	config->primaryIndent, nkt);
4680	newKernelInitrd + strlen(prefix));	free(nkt);
4681	} else {	needs &= ~NEED_TITLE;
4682	if (needs & KERNEL_KERNEL)	needs |= NEED_END;
4683	newLine = addLine(new, config->cfi, LT_KERNEL,	break;
4684	config->secondaryIndent,	}
4685	newKernelPath + strlen(prefix));	case LT_TITLE:
4686	if (needs & KERNEL_TITLE)	if (useextlinuxmenu != 0) { // We just need useextlinuxmenu to not be zero (set above)
4687	newLine = addLine(new, config->cfi, LT_TITLE,	char *templabel;
4688	config->secondaryIndent,	int x = 0, y = 0;
4689	newKernelTitle);
4690	if (needs & KERNEL_INITRD && newKernelInitrd)	templabel = strdup(newKernelTitle);
4691	newLine = addLine(new, config->cfi, LT_INITRD,	while (templabel[x]) {
4692	config->secondaryIndent,	if (templabel[x] == ' ') {
4693	newKernelInitrd + strlen(prefix));	y = x;
4694	}	while (templabel[y]) {
4695		templabel[y] =
4696		templabel[y + 1];
4697		y++;
4698		}
4699		}
4700		x++;
4701		}
4702		newLine = addLine(new, config->cfi, LT_TITLE,
4703		config->primaryIndent,
4704		templabel);
4705		free(templabel);
4706		} else {
4707		newLine = addLine(new, config->cfi, LT_TITLE,
4708		config->primaryIndent,
4709		newKernelTitle);
4710		}
4711		needs &= ~NEED_TITLE;
4712		break;
4713
4714	if (updateImage(config, "0", prefix, newKernelArgs, NULL,	default:
4715	newMBKernelArgs, NULL)) return 1;	abort();
4716		}
4717		}
4718
4719	return 0;	struct singleLine *endLine = NULL;
4720		endLine = getLineByType(LT_ENTRY_END, new->lines);
4721		if (endLine) {
4722		removeLine(new, endLine);
4723		needs |= NEED_END;
4724		}
4725
4726		/* add the remainder of the lines, i.e. those that either
4727		* weren't present in the template, or in the case of no template,
4728		* all the lines following the entryStart.
4729		*/
4730		if (needs & NEED_TITLE) {
4731		newLine = addLine(new, config->cfi, LT_TITLE,
4732		config->secondaryIndent, newKernelTitle);
4733		needs &= ~NEED_TITLE;
4734		}
4735		if ((needs & NEED_MB) && config->cfi->mbHyperFirst) {
4736		newLine = addLine(new, config->cfi, LT_HYPER,
4737		config->secondaryIndent,
4738		newMBKernel + strlen(prefix));
4739		needs &= ~NEED_MB;
4740		}
4741		if (needs & NEED_KERNEL) {
4742		newLine = addLine(new, config->cfi,
4743		(new->multiboot
4744		&& getKeywordByType(LT_MBMODULE,
4745		config->cfi))
4746		? LT_MBMODULE : preferredLineType(LT_KERNEL,
4747		config->
4748		cfi),
4749		config->secondaryIndent,
4750		newKernelPath + strlen(prefix));
4751		needs &= ~NEED_KERNEL;
4752		}
4753		if (needs & NEED_MB) {
4754		newLine = addLine(new, config->cfi, LT_HYPER,
4755		config->secondaryIndent,
4756		newMBKernel + strlen(prefix));
4757		needs &= ~NEED_MB;
4758		}
4759		if (needs & NEED_INITRD) {
4760		char *initrdVal;
4761		initrdVal =
4762		getInitrdVal(config, prefix, NULL, newKernelInitrd,
4763		extraInitrds, extraInitrdCount);
4764		newLine =
4765		addLine(new, config->cfi,
4766		(new->multiboot
4767		&& getKeywordByType(LT_MBMODULE, config->cfi))
4768		? LT_MBMODULE : preferredLineType(LT_INITRD,
4769		config->cfi),
4770		config->secondaryIndent, initrdVal);
4771		free(initrdVal);
4772		needs &= ~NEED_INITRD;
4773		}
4774		if (needs & NEED_DEVTREE) {
4775		newLine = addLine(new, config->cfi, LT_DEVTREE,
4776		config->secondaryIndent, newDevTreePath);
4777		needs &= ~NEED_DEVTREE;
4778		}
4779
4780		/* NEEDS_END must be last on bootloaders that need it... */
4781		if (needs & NEED_END) {
4782		newLine = addLine(new, config->cfi, LT_ENTRY_END,
4783		config->secondaryIndent, NULL);
4784		needs &= ~NEED_END;
4785		}
4786
4787		if (needs) {
4788		printf(_("grubby: needs=%d, aborting\n"), needs);
4789		abort();
4790		}
4791
4792		if (updateImage(config, indexs, prefix, newKernelArgs, NULL,
4793		newMBKernelArgs, NULL)) {
4794		config->isModified = 1;
4795		return 1;
4796		}
4797
4798		return 0;
4799	}	}
4800
4801	int main(int argc, const char ** argv) {	int main(int argc, const char **argv)
4802	poptContext optCon;	{
4803	char * grubConfig = NULL;	poptContext optCon;
4804	char * outputFile = NULL;	const char *grubConfig = NULL;
4805	int arg = 0;	char *outputFile = NULL;
4806	int flags = 0;	int arg = 0;
4807	int badImageOkay = 0;	int flags = 0;
4808	int configureLilo = 0, configureELilo = 0, configureGrub = 0;	int badImageOkay = 0;
4809	int configureYaboot = 0, configureSilo = 0, configureZipl = 0;	int configureGrub2 = 0;
4810	int bootloaderProbe = 0;	int configureLilo = 0, configureELilo = 0, configureGrub = 0;
4811	char * updateKernelPath = NULL;	int configureYaboot = 0, configureSilo = 0, configureZipl = 0;
4812	char * newKernelPath = NULL;	int configureExtLinux = 0;
4813	char * removeKernelPath = NULL;	int bootloaderProbe = 0;
4814	char * newKernelArgs = NULL;	int extraInitrdCount = 0;
4815	char * newKernelInitrd = NULL;	char *updateKernelPath = NULL;
4816	char * newKernelTitle = NULL;	char *newKernelPath = NULL;
4817	char * newKernelVersion = NULL;	char *removeKernelPath = NULL;
4818	char * newMBKernel = NULL;	char *newKernelArgs = NULL;
4819	char * newMBKernelArgs = NULL;	char *newKernelInitrd = NULL;
4820	char * removeMBKernelArgs = NULL;	char *newKernelTitle = NULL;
4821	char * removeMBKernel = NULL;	char *newDevTreePath = NULL;
4822	char * bootPrefix = NULL;	char *newMBKernel = NULL;
4823	char * defaultKernel = NULL;	char *newMBKernelArgs = NULL;
4824	char * removeArgs = NULL;	int newIndex = 0;
4825	char * kernelInfo = NULL;	char *removeMBKernelArgs = NULL;
4826	const char * chptr = NULL;	char *removeMBKernel = NULL;
4827	struct configFileInfo * cfi = NULL;	char *bootPrefix = NULL;
4828	struct grubConfig * config;	char *defaultKernel = NULL;
4829	struct singleEntry * template = NULL;	char *removeArgs = NULL;
4830	int copyDefault = 0, makeDefault = 0;	char *kernelInfo = NULL;
4831	int displayDefault = 0;	char *extraInitrds[MAX_EXTRA_INITRDS] = { NULL };
4832	struct poptOption options[] = {	char *envPath = NULL;
4833	{ "add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0,	const char *chptr = NULL;
4834	_("add an entry for the specified kernel"), _("kernel-path") },	struct configFileInfo *cfi = NULL;
4835	{ "add-multiboot", 0, POPT_ARG_STRING, &newMBKernel, 0,	struct grubConfig *config;
4836	_("add an entry for the specified multiboot kernel"), NULL },	struct singleEntry *template = NULL;
4837	{ "args", 0, POPT_ARG_STRING, &newKernelArgs, 0,	int copyDefault = 0, makeDefault = 0;
4838	_("default arguments for the new kernel or new arguments for "	int displayDefault = 0;
4839	"kernel being updated"), _("args") },	int displayDefaultIndex = 0;
4840	{ "mbargs", 0, POPT_ARG_STRING, &newMBKernelArgs, 0,	int displayDefaultTitle = 0;
4841	_("default arguments for the new multiboot kernel or "	int defaultIndex = -1;
4842	"new arguments for multiboot kernel being updated"), NULL },	struct poptOption options[] = {
4843	{ "bad-image-okay", 0, 0, &badImageOkay, 0,	{"add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0,
4844	_("don't sanity check images in boot entries (for testing only)"),	_("add an entry for the specified kernel"), _("kernel-path")},
4845	NULL },	{"add-multiboot", 0, POPT_ARG_STRING, &newMBKernel, 0,
4846	{ "boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0,	_("add an entry for the specified multiboot kernel"), NULL},
4847	_("filestystem which contains /boot directory (for testing only)"),	{"args", 0, POPT_ARG_STRING, &newKernelArgs, 0,
4848	_("bootfs") },	_("default arguments for the new kernel or new arguments for "
4849	#if defined(__i386__) || defined(__x86_64__)	"kernel being updated"), _("args")},
4850	{ "bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0,	{"mbargs", 0, POPT_ARG_STRING, &newMBKernelArgs, 0,
4851	_("check if lilo is installed on lilo.conf boot sector") },	_("default arguments for the new multiboot kernel or "
4852		"new arguments for multiboot kernel being updated"), NULL},
4853		{"bad-image-okay", 0, 0, &badImageOkay, 0,
4854		_
4855		("don't sanity check images in boot entries (for testing only)"),
4856		NULL},
4857		{"boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0,
4858		_
4859		("filesystem which contains /boot directory (for testing only)"),
4860		_("bootfs")},
4861		#if defined(__i386__) || defined(__x86_64__) || defined (__powerpc64__) || defined (__ia64__)
4862		{"bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0,
4863		_("check which bootloader is installed on boot sector")},
4864	#endif	#endif
4865	{ "config-file", 'c', POPT_ARG_STRING, &grubConfig, 0,	{"config-file", 'c', POPT_ARG_STRING, &grubConfig, 0,
4866	_("path to grub config file to update (\"-\" for stdin)"),	_("path to grub config file to update (\"-\" for stdin)"),
4867	_("path") },	_("path")},
4868	{ "copy-default", 0, 0, &copyDefault, 0,	{"copy-default", 0, 0, &copyDefault, 0,
4869	_("use the default boot entry as a template for the new entry "	_("use the default boot entry as a template for the new entry "
4870	"being added; if the default is not a linux image, or if "	"being added; if the default is not a linux image, or if "
4871	"the kernel referenced by the default image does not exist, "	"the kernel referenced by the default image does not exist, "
4872	"the first linux entry whose kernel does exist is used as the "	"the first linux entry whose kernel does exist is used as the "
4873	"template"), NULL },	"template"), NULL},
4874	{ "default-kernel", 0, 0, &displayDefault, 0,	{"debug", 0, 0, &debug, 0,
4875	_("display the path of the default kernel") },	_("print debugging information for failures")},
4876	{ "elilo", 0, POPT_ARG_NONE, &configureELilo, 0,	{"default-kernel", 0, 0, &displayDefault, 0,
4877	_("configure elilo bootloader") },	_("display the path of the default kernel")},
4878	{ "grub", 0, POPT_ARG_NONE, &configureGrub, 0,	{"default-index", 0, 0, &displayDefaultIndex, 0,
4879	_("configure grub bootloader") },	_("display the index of the default kernel")},
4880	{ "info", 0, POPT_ARG_STRING, &kernelInfo, 0,	{"default-title", 0, 0, &displayDefaultTitle, 0,
4881	_("display boot information for specified kernel"),	_("display the title of the default kernel")},
4882	_("kernel-path") },	{"devtree", 0, POPT_ARG_STRING, &newDevTreePath, 0,
4883	{ "initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0,	_("device tree file for new stanza"), _("dtb-path")},
4884	_("initrd image for the new kernel"), _("initrd-path") },	{"devtreedir", 0, POPT_ARG_STRING, &newDevTreePath, 0,
4885	{ "lilo", 0, POPT_ARG_NONE, &configureLilo, 0,	_("device tree directory for new stanza"), _("dtb-path")},
4886	_("configure lilo bootloader") },	{"elilo", 0, POPT_ARG_NONE, &configureELilo, 0,
4887	{ "make-default", 0, 0, &makeDefault, 0,	_("configure elilo bootloader")},
4888	_("make the newly added entry the default boot entry"), NULL },	{"efi", 0, POPT_ARG_NONE, &isEfi, 0,
4889	{ "output-file", 'o', POPT_ARG_STRING, &outputFile, 0,	_("force grub2 stanzas to use efi")},
4890	_("path to output updated config file (\"-\" for stdout)"),	{"env", 0, POPT_ARG_STRING, &envPath, 0,
4891	_("path") },	_("path for environment data"),
4892	{ "remove-args", 0, POPT_ARG_STRING, &removeArgs, 0,	_("path")},
4893	_("remove kernel arguments"), NULL },	{"extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0,
4894	{ "remove-mbargs", 0, POPT_ARG_STRING, &removeMBKernelArgs, 0,	_("configure extlinux bootloader (from syslinux)")},
4895	_("remove multiboot kernel arguments"), NULL },	{"grub", 0, POPT_ARG_NONE, &configureGrub, 0,
4896	{ "remove-kernel", 0, POPT_ARG_STRING, &removeKernelPath, 0,	_("configure grub bootloader")},
4897	_("remove all entries for the specified kernel"),	{"grub2", 0, POPT_ARG_NONE, &configureGrub2, 0,
4898	_("kernel-path") },	_("configure grub2 bootloader")},
4899	{ "remove-multiboot", 0, POPT_ARG_STRING, &removeMBKernel, 0,	{"info", 0, POPT_ARG_STRING, &kernelInfo, 0,
4900	_("remove all entries for the specified multiboot kernel"), NULL },	_("display boot information for specified kernel"),
4901	{ "set-default", 0, POPT_ARG_STRING, &defaultKernel, 0,	_("kernel-path")},
4902	_("make the first entry referencing the specified kernel "	{"initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0,
4903	"the default"), _("kernel-path") },	_("initrd image for the new kernel"), _("initrd-path")},
4904	{ "silo", 0, POPT_ARG_NONE, &configureSilo, 0,	{"extra-initrd", 'i', POPT_ARG_STRING, NULL, 'i',
4905	_("configure silo bootloader") },	_
4906	{ "title", 0, POPT_ARG_STRING, &newKernelTitle, 0,	("auxiliary initrd image for things other than the new kernel"),
4907	_("title to use for the new kernel entry"), _("entry-title") },	_("initrd-path")},
4908	{ "update-kernel", 0, POPT_ARG_STRING, &updateKernelPath, 0,	{"lilo", 0, POPT_ARG_NONE, &configureLilo, 0,
4909	_("updated information for the specified kernel"),	_("configure lilo bootloader")},
4910	_("kernel-path") },	{"make-default", 0, 0, &makeDefault, 0,
4911	{ "version", 'v', 0, NULL, 'v',	_("make the newly added entry the default boot entry"), NULL},
4912	_("print the version of this program and exit"), NULL },	{"output-file", 'o', POPT_ARG_STRING, &outputFile, 0,
4913	{ "yaboot", 0, POPT_ARG_NONE, &configureYaboot, 0,	_("path to output updated config file (\"-\" for stdout)"),
4914	_("configure yaboot bootloader") },	_("path")},
4915	{ "zipl", 0, POPT_ARG_NONE, &configureZipl, 0,	{"remove-args", 0, POPT_ARG_STRING, &removeArgs, 0,
4916	_("configure zipl bootloader") },	_("remove kernel arguments"), NULL},
4917	POPT_AUTOHELP	{"remove-mbargs", 0, POPT_ARG_STRING, &removeMBKernelArgs, 0,
4918	{ 0, 0, 0, 0, 0 }	_("remove multiboot kernel arguments"), NULL},
4919	};	{"remove-kernel", 0, POPT_ARG_STRING, &removeKernelPath, 0,
4920		_("remove all entries for the specified kernel"),
4921	optCon = poptGetContext("grubby", argc, argv, options, 0);	_("kernel-path")},
4922	poptReadDefaultConfig(optCon, 1);	{"remove-multiboot", 0, POPT_ARG_STRING, &removeMBKernel, 0,
4923		_("remove all entries for the specified multiboot kernel"),
4924	while ((arg = poptGetNextOpt(optCon)) >= 0) {	NULL},
4925	switch (arg) {	{"set-default", 0, POPT_ARG_STRING, &defaultKernel, 0,
4926	case 'v':	_("make the first entry referencing the specified kernel "
4927	printf("grubby version %s\n", VERSION);	"the default"), _("kernel-path")},
4928	exit(0);	{"set-default-index", 0, POPT_ARG_INT, &defaultIndex, 0,
4929	break;	_("make the given entry index the default entry"),
4930		_("entry-index")},
4931		{"set-index", 0, POPT_ARG_INT, &newIndex, 0,
4932		_("use the given index when creating a new entry"),
4933		_("entry-index")},
4934		{"silo", 0, POPT_ARG_NONE, &configureSilo, 0,
4935		_("configure silo bootloader")},
4936		{"title", 0, POPT_ARG_STRING, &newKernelTitle, 0,
4937		_("title to use for the new kernel entry"), _("entry-title")},
4938		{"update-kernel", 0, POPT_ARG_STRING, &updateKernelPath, 0,
4939		_("updated information for the specified kernel"),
4940		_("kernel-path")},
4941		{"version", 'v', 0, NULL, 'v',
4942		_("print the version of this program and exit"), NULL},
4943		{"yaboot", 0, POPT_ARG_NONE, &configureYaboot, 0,
4944		_("configure yaboot bootloader")},
4945		{"zipl", 0, POPT_ARG_NONE, &configureZipl, 0,
4946		_("configure zipl bootloader")},
4947		POPT_AUTOHELP {0, 0, 0, 0, 0}
4948		};
4949
4950		useextlinuxmenu = 0;
4951
4952		int i = 0;
4953		for (int j = 1; j < argc; j++)
4954		i += strlen(argv[j]) + 1;
4955		saved_command_line = malloc(i);
4956		if (!saved_command_line) {
4957		fprintf(stderr, "grubby: %m\n");
4958		exit(1);
4959		}
4960		saved_command_line[0] = '\0';
4961		for (int j = 1; j < argc; j++) {
4962		strcat(saved_command_line, argv[j]);
4963		strncat(saved_command_line, j == argc - 1 ? "" : " ", 1);
4964		}
4965
4966		optCon = poptGetContext("grubby", argc, argv, options, 0);
4967		poptReadDefaultConfig(optCon, 1);
4968
4969		while ((arg = poptGetNextOpt(optCon)) >= 0) {
4970		switch (arg) {
4971		case 'v':
4972		printf("grubby version %s\n", VERSION);
4973		exit(0);
4974		break;
4975		case 'i':
4976		if (extraInitrdCount < MAX_EXTRA_INITRDS) {
4977		extraInitrds[extraInitrdCount++] =
4978		strdup(poptGetOptArg(optCon));
4979		} else {
4980		fprintf(stderr,
4981		_
4982		("grubby: extra initrd maximum is %d\n"),
4983		extraInitrdCount);
4984		return 1;
4985		}
4986		break;
4987		}
4988	}	}
	}
4989
4990	if (arg < -1) {	if (arg < -1) {
4991	fprintf(stderr, _("grubby: bad argument %s: %s\n"),	fprintf(stderr, _("grubby: bad argument %s: %s\n"),
4992	poptBadOption(optCon, POPT_BADOPTION_NOALIAS),	poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
4993	poptStrerror(arg));	poptStrerror(arg));
4994	return 1;	return 1;
4995	}	}
	if ((chptr = poptGetArg(optCon))) {
	fprintf(stderr, _("grubby: unexpected argument %s\n"), chptr);
	return 1;
	}
4996
4997	if ((configureLilo + configureGrub + configureELilo +	if ((chptr = poptGetArg(optCon))) {
4998	configureYaboot + configureSilo + configureZipl) > 1) {	fprintf(stderr, _("grubby: unexpected argument %s\n"), chptr);
4999	fprintf(stderr, _("grubby: cannot specify multiple bootloaders\n"));	return 1;
5000	return 1;	}
	} else if (bootloaderProbe && grubConfig) {
	fprintf(stderr,
	_("grubby: cannot specify config file with --bootloader-probe\n"));
	return 1;
	} else if (configureLilo) {
	cfi = &liloConfigType;
	} else if (configureGrub) {
	cfi = &grubConfigType;
	} else if (configureELilo) {
	cfi = &eliloConfigType;
	} else if (configureYaboot) {
	cfi = &yabootConfigType;
	} else if (configureSilo) {
	cfi = &siloConfigType;
	} else if (configureZipl) {
	cfi = &ziplConfigType;
	}
5001
5002	if (!cfi) {	if ((configureLilo + configureGrub2 + configureGrub + configureELilo +
5003	#ifdef __ia64__	configureYaboot + configureSilo + configureZipl +
5004	cfi = &eliloConfigType;	configureExtLinux) > 1) {
5005	#elif __powerpc__	fprintf(stderr,
5006	cfi = &yabootConfigType;	_("grubby: cannot specify multiple bootloaders\n"));
5007	#elif __sparc__	return 1;
5008	cfi = &siloConfigType;	} else if (bootloaderProbe && grubConfig) {
5009	#elif __s390__	fprintf(stderr,
5010	cfi = &ziplConfigType;	_
5011	#elif __s390x__	("grubby: cannot specify config file with --bootloader-probe\n"));
5012	cfi = &ziplConfigtype;	return 1;
5013	#else	} else if (configureGrub2) {
5014	cfi = &grubConfigType;	cfi = &grub2ConfigType;
5015	#endif	if (envPath)
5016	}	cfi->envFile = envPath;
5017		} else if (configureLilo) {
5018		cfi = &liloConfigType;
5019		} else if (configureGrub) {
5020		cfi = &grubConfigType;
5021		} else if (configureELilo) {
5022		cfi = &eliloConfigType;
5023		} else if (configureYaboot) {
5024		cfi = &yabootConfigType;
5025		} else if (configureSilo) {
5026		cfi = &siloConfigType;
5027		} else if (configureZipl) {
5028		cfi = &ziplConfigType;
5029		} else if (configureExtLinux) {
5030		cfi = &extlinuxConfigType;
5031		useextlinuxmenu = 1;
5032		}
5033
5034		if (!cfi) {
5035		if (grub2FindConfig(&grub2ConfigType)) {
5036		cfi = &grub2ConfigType;
5037		if (envPath)
5038		cfi->envFile = envPath;
5039		} else
5040		#ifdef __ia64__
5041		cfi = &eliloConfigType;
5042		#elif __powerpc__
5043		cfi = &yabootConfigType;
5044		#elif __sparc__
5045		cfi = &siloConfigType;
5046		#elif __s390__
5047		cfi = &ziplConfigType;
5048		#elif __s390x__
5049		cfi = &ziplConfigtype;
5050		#else
5051		cfi = &grubConfigType;
5052		#endif
5053		}
5054
5055	if (!grubConfig)	if (!grubConfig) {
5056	grubConfig = cfi->defaultConfig;	if (cfi->findConfig)
5057		grubConfig = cfi->findConfig(cfi);
5058		if (!grubConfig)
5059		grubConfig = cfi->defaultConfig;
5060		}
5061
5062	if (bootloaderProbe && (displayDefault || kernelInfo || newKernelVersion ||	if (bootloaderProbe && (displayDefault || kernelInfo ||
5063	newKernelPath || removeKernelPath || makeDefault ||	newKernelPath || removeKernelPath || makeDefault
5064	defaultKernel)) {	|| defaultKernel || displayDefaultIndex
5065	fprintf(stderr, _("grubby: --bootloader-probe may not be used with "	|| displayDefaultTitle
5066		|| (defaultIndex >= 0))) {
5067		fprintf(stderr,
5068		_("grubby: --bootloader-probe may not be used with "
5069	"specified option"));	"specified option"));
5070	return 1;	return 1;
5071	}	}
5072
5073	if ((displayDefault || kernelInfo) && (newKernelVersion || newKernelPath ||	if ((displayDefault || kernelInfo) && (newKernelPath ||
5074	removeKernelPath)) {	removeKernelPath)) {
5075	fprintf(stderr, _("grubby: --default-kernel and --info may not "	fprintf(stderr, _("grubby: --default-kernel and --info may not "
5076	"be used when adding or removing kernels\n"));	"be used when adding or removing kernels\n"));
5077	return 1;	return 1;
5078	}	}
5079
5080	if (newKernelPath && !newKernelTitle) {	if (newKernelPath && !newKernelTitle) {
5081	fprintf(stderr, _("grubby: kernel title must be specified\n"));	fprintf(stderr, _("grubby: kernel title must be specified\n"));
5082	return 1;	return 1;
5083	} else if (!newKernelPath && (newKernelTitle  || newKernelInitrd ||	} else if (!newKernelPath && (copyDefault ||
5084	newKernelInitrd || copyDefault     ||	(newKernelInitrd && !updateKernelPath) ||
5085	makeDefault)) {	makeDefault || extraInitrdCount > 0)) {
5086	fprintf(stderr, _("grubby: kernel path expected\n"));	fprintf(stderr, _("grubby: kernel path expected\n"));
5087	return 1;	return 1;
5088	}	}
5089
5090	if (newKernelPath && updateKernelPath) {	if (newKernelPath && updateKernelPath) {
5091	fprintf(stderr, _("grubby: --add-kernel and --update-kernel may"	fprintf(stderr, _("grubby: --add-kernel and --update-kernel may"
5092	"not be used together"));	"not be used together"));
5093	return 1;	return 1;
5094	}	}
5095
5096	if (makeDefault && defaultKernel) {	if (makeDefault && defaultKernel) {
5097	fprintf(stderr, _("grubby: --make-default and --default-kernel "	fprintf(stderr, _("grubby: --make-default and --default-kernel "
5098		"may not be used together\n"));
5099		return 1;
5100		} else if (defaultKernel && removeKernelPath &&
5101		!strcmp(defaultKernel, removeKernelPath)) {
5102		fprintf(stderr,
5103		_("grubby: cannot make removed kernel the default\n"));
5104		return 1;
5105		} else if (defaultKernel && newKernelPath &&
5106		!strcmp(defaultKernel, newKernelPath)) {
5107		makeDefault = 1;
5108		defaultKernel = NULL;
5109		} else if (defaultKernel && (defaultIndex >= 0)) {
5110		fprintf(stderr,
5111		_("grubby: --set-default and --set-default-index "
5112	"may not be used together\n"));	"may not be used together\n"));
5113	return 1;	return 1;
5114	} 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;
	}
5115
5116	if (!strcmp(grubConfig, "-") && !outputFile) {	if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) {
5117	fprintf(stderr, _("grubby: output file must be specified if stdin "	fprintf(stderr,
5118	"is used\n"));	_("grubby: output file must be specified if stdin "
5119	return 1;	"is used\n"));
5120	}	return 1;
5121		}
5122
5123	if (!removeKernelPath && !newKernelPath && !displayDefault && !defaultKernel	if (!removeKernelPath && !newKernelPath && !displayDefault
5124	&& !kernelInfo && !bootloaderProbe && !updateKernelPath	&& !defaultKernel && !kernelInfo && !bootloaderProbe
5125	&& !removeMBKernel) {	&& !updateKernelPath && !removeMBKernel && !displayDefaultIndex
5126	fprintf(stderr, _("grubby: no action specified\n"));	&& !displayDefaultTitle && (defaultIndex == -1)) {
5127	return 1;	fprintf(stderr, _("grubby: no action specified\n"));
5128	}	return 1;
5129		}
5130
5131	flags |= badImageOkay ? GRUBBY_BADIMAGE_OKAY : 0;	flags |= badImageOkay ? GRUBBY_BADIMAGE_OKAY : 0;
5132
5133	if (cfi->needsBootPrefix) {	if (cfi->needsBootPrefix) {
5134	if (!bootPrefix) {	if (!bootPrefix) {
5135	bootPrefix = findBootPrefix();	bootPrefix = findBootPrefix();
5136	if (!bootPrefix) return 1;	if (!bootPrefix)
5137	} else {	return 1;
5138	/* this shouldn't end with a / */	} else {
5139	if (bootPrefix[strlen(bootPrefix) - 1] == '/')	/* this shouldn't end with a / */
5140	bootPrefix[strlen(bootPrefix) - 1] = '\0';	if (bootPrefix[strlen(bootPrefix) - 1] == '/')
5141		bootPrefix[strlen(bootPrefix) - 1] = '\0';
5142		}
5143		} else {
5144		bootPrefix = "";
5145	}	}
	} else {
	bootPrefix = "";
	}
5146
5147	if (bootloaderProbe) {	if (!cfi->mbAllowExtraInitRds && extraInitrdCount > 0) {
5148	int lrc = 0, grc = 0;	fprintf(stderr,
5149	struct grubConfig * lconfig, * gconfig;	_("grubby: %s doesn't allow multiple initrds\n"),
5150		cfi->defaultConfig);
5151	if (!access(grubConfigType.defaultConfig, F_OK)) {	return 1;
5152	gconfig = readConfig(grubConfigType.defaultConfig, &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);
	}
5153
5154	if (lrc == 1 || grc == 1) return 1;	if (bootloaderProbe) {
5155		int lrc = 0, grc = 0, gr2c = 0, extrc = 0, yrc = 0, erc = 0;
5156		struct grubConfig *lconfig, *gconfig, *yconfig, *econfig;
5157
5158		const char *grub2config = grub2FindConfig(&grub2ConfigType);
5159		if (grub2config) {
5160		gconfig = readConfig(grub2config, &grub2ConfigType);
5161		if (!gconfig)
5162		gr2c = 1;
5163		else
5164		gr2c = checkForGrub2(gconfig);
5165		}
5166
5167	if (lrc == 2) printf("lilo\n");	const char *grubconfig = grubFindConfig(&grubConfigType);
5168	if (grc == 2) printf("grub\n");	if (!access(grubconfig, F_OK)) {
5169		gconfig = readConfig(grubconfig, &grubConfigType);
5170		if (!gconfig)
5171		grc = 1;
5172		else
5173		grc = checkForGrub(gconfig);
5174		}
5175
5176	return 0;	if (!access(liloConfigType.defaultConfig, F_OK)) {
5177	}	lconfig =
5178		readConfig(liloConfigType.defaultConfig,
5179		&liloConfigType);
5180		if (!lconfig)
5181		lrc = 1;
5182		else
5183		lrc = checkForLilo(lconfig);
5184		}
5185
5186	config = readConfig(grubConfig, cfi);	if (!access(eliloConfigType.defaultConfig, F_OK)) {
5187	if (!config) return 1;	econfig = readConfig(eliloConfigType.defaultConfig,
5188		&eliloConfigType);
5189		if (!econfig)
5190		erc = 1;
5191		else
5192		erc = checkForElilo(econfig);
5193		}
5194
5195	if (displayDefault) {	if (!access(extlinuxConfigType.defaultConfig, F_OK)) {
5196	struct singleLine * line;	lconfig =
5197	struct singleEntry * entry;	readConfig(extlinuxConfigType.defaultConfig,
5198	char * rootspec;	&extlinuxConfigType);
5199		if (!lconfig)
5200	if (config->defaultImage == -1) return 0;	extrc = 1;
5201	entry = findEntryByIndex(config, config->defaultImage);	else
5202	if (!entry) return 0;	extrc = checkForExtLinux(lconfig);
5203	if (!suitableImage(entry, bootPrefix, 0, flags)) return 0;	}
	line = entry->lines;
	while (line && line->type != LT_KERNEL) line = line->next;
	if (!line) return 0;
	rootspec = getRootSpecifier(line->elements[1].item);
	printf("%s%s\n", bootPrefix, line->elements[1].item +
	((rootspec != NULL) ? strlen(rootspec) : 0));
5204
5205	return 0;	if (!access(yabootConfigType.defaultConfig, F_OK)) {
5206	} else if (kernelInfo)	yconfig = readConfig(yabootConfigType.defaultConfig,
5207	return displayInfo(config, kernelInfo, bootPrefix);	&yabootConfigType);
5208		if (!yconfig)
5209		yrc = 1;
5210		else
5211		yrc = checkForYaboot(yconfig);
5212		}
5213
5214	if (copyDefault) {	if (lrc == 1 || grc == 1 || gr2c == 1 || extrc == 1 || yrc == 1
5215	template = findTemplate(config, bootPrefix, NULL, 0, flags);	|| erc == 1)
5216	if (!template) return 1;	return 1;
5217	}
5218		if (lrc == 2)
5219		printf("lilo\n");
5220		if (gr2c == 2)
5221		printf("grub2\n");
5222		if (grc == 2)
5223		printf("grub\n");
5224		if (extrc == 2)
5225		printf("extlinux\n");
5226		if (yrc == 2)
5227		printf("yaboot\n");
5228		if (erc == 2)
5229		printf("elilo\n");
5230
5231		return 0;
5232		}
5233
5234		if (grubConfig == NULL) {
5235		printf("Could not find bootloader configuration file.\n");
5236		exit(1);
5237		}
5238
5239	markRemovedImage(config, removeKernelPath, bootPrefix);	config = readConfig(grubConfig, cfi);
5240	markRemovedImage(config, removeMBKernel, bootPrefix);	if (!config)
5241	setDefaultImage(config, newKernelPath != NULL, defaultKernel, makeDefault,	return 1;
5242	bootPrefix, flags);
5243	setFallbackImage(config, newKernelPath != NULL);	if (displayDefault) {
5244	if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs,	struct singleLine *line;
5245	removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1;	struct singleEntry *entry;
5246	if (addNewKernel(config, template, bootPrefix, newKernelPath,	char *rootspec;
5247	newKernelTitle, newKernelArgs, newKernelInitrd,
5248	newMBKernel, newMBKernelArgs)) return 1;	if (config->defaultImage == NO_DEFAULT_ENTRY)
5249		return 0;
5250		if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
5251	if (numEntries(config) == 0) {	cfi->defaultIsSaved)
5252	fprintf(stderr, _("grubby: doing this would leave no kernel entries. "	config->defaultImage = FIRST_ENTRY_INDEX;
5253	"Not writing out new config.\n"));	entry = findEntryByIndex(config, config->defaultImage);
5254	return 1;	if (!entry)
5255	}	return 0;
5256		if (!suitableImage(entry, bootPrefix, 0, flags))
5257		return 0;
5258
5259		line =
5260		getLineByType(LT_KERNEL | LT_HYPER | LT_KERNEL_EFI |
5261		LT_KERNEL_16, entry->lines);
5262		if (!line)
5263		return 0;
5264
5265		rootspec = getRootSpecifier(line->elements[1].item);
5266		printf("%s%s\n", bootPrefix, line->elements[1].item +
5267		((rootspec != NULL) ? strlen(rootspec) : 0));
5268
5269		return 0;
5270
5271		} else if (displayDefaultTitle) {
5272		struct singleLine *line;
5273		struct singleEntry *entry;
5274
5275		if (config->defaultImage == NO_DEFAULT_ENTRY)
5276		return 0;
5277		if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
5278		cfi->defaultIsSaved)
5279		config->defaultImage = FIRST_ENTRY_INDEX;
5280		entry = findEntryByIndex(config, config->defaultImage);
5281		if (!entry)
5282		return 0;
5283
5284		if (!configureGrub2) {
5285		char *title;
5286		line = getLineByType(LT_TITLE, entry->lines);
5287		if (!line)
5288		return 0;
5289		title = extractTitle(config, line);
5290		if (!title)
5291		return 0;
5292		printf("%s\n", title);
5293		free(title);
5294		} else {
5295		char *title;
5296
5297		dbgPrintf
5298		("This is GRUB2, default title is embeded in menuentry\n");
5299		line = getLineByType(LT_MENUENTRY, entry->lines);
5300		if (!line)
5301		return 0;
5302		title = grub2ExtractTitle(line);
5303		if (title)
5304		printf("%s\n", title);
5305		}
5306		return 0;
5307
5308		} else if (displayDefaultIndex) {
5309		if (config->defaultImage == NO_DEFAULT_ENTRY)
5310		return 0;
5311		if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
5312		cfi->defaultIsSaved)
5313		config->defaultImage = FIRST_ENTRY_INDEX;
5314		printf("%i\n", config->defaultImage);
5315		return 0;
5316
5317		} else if (kernelInfo)
5318		return displayInfo(config, kernelInfo, bootPrefix);
5319
5320		if (copyDefault) {
5321		template = findTemplate(config, bootPrefix, NULL, 0, flags);
5322		if (!template)
5323		return 1;
5324		}
5325
5326		markRemovedImage(config, removeKernelPath, bootPrefix);
5327		markRemovedImage(config, removeMBKernel, bootPrefix);
5328		setDefaultImage(config, newKernelPath != NULL, defaultKernel,
5329		makeDefault, bootPrefix, flags, defaultIndex,
5330		newIndex);
5331		setFallbackImage(config, newKernelPath != NULL);
5332		if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs,
5333		removeArgs, newMBKernelArgs, removeMBKernelArgs))
5334		return 1;
5335		if (updateKernelPath && newKernelInitrd) {
5336		if (newMBKernel) {
5337		if (addMBInitrd(config, newMBKernel, updateKernelPath,
5338		bootPrefix, newKernelInitrd,
5339		newKernelTitle))
5340		return 1;
5341		} else {
5342		if (updateInitrd(config, updateKernelPath, bootPrefix,
5343		newKernelInitrd, newKernelTitle))
5344		return 1;
5345		}
5346		}
5347		if (addNewKernel(config, template, bootPrefix, newKernelPath,
5348		newKernelTitle, newKernelArgs, newKernelInitrd,
5349		(const char **)extraInitrds, extraInitrdCount,
5350		newMBKernel, newMBKernelArgs, newDevTreePath,
5351		newIndex))
5352		return 1;
5353
5354		if (numEntries(config) == 0) {
5355		fprintf(stderr,
5356		_("grubby: doing this would leave no kernel entries. "
5357		"Not writing out new config.\n"));
5358		return 1;
5359		}
5360
5361	if (!outputFile)	if (!outputFile)
5362	outputFile = grubConfig;	outputFile = (char *)grubConfig;
5363
5364	return writeConfig(config, outputFile, bootPrefix);	return writeConfig(config, outputFile, bootPrefix);
5365	}	}

---

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

Legend: Removed from v.532   changed lines   Added in v.3024