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/* Copyright (C) 2001-2005 Red Hat, Inc. |
/* |
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|
* grubby.c |
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This program is free software; you can redistribute it and/or |
* |
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modify it under the terms of the General Public License as published |
* Copyright (C) 2001-2008 Red Hat, Inc. |
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by the Free Software Foundation; either version 2 of the License, or |
* All rights reserved. |
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(at your option) any later version. |
* |
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|
* This program is free software; you can redistribute it and/or modify |
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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 |
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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. |
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General Public License for more details. |
* |
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|
* This program is distributed in the hope that it will be useful, |
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You should have received a copy of the GNU General Public |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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License along with this program; if not, write to the Free |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
* GNU General Public License for more details. |
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02111-1307 USA. */ |
* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#ifndef _GNU_SOURCE |
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#define _GNU_SOURCE |
23 |
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#endif |
24 |
#include <ctype.h> |
#include <ctype.h> |
25 |
#include <errno.h> |
#include <errno.h> |
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#include <fcntl.h> |
#include <fcntl.h> |
31 |
#include <string.h> |
#include <string.h> |
32 |
#include <sys/stat.h> |
#include <sys/stat.h> |
33 |
#include <unistd.h> |
#include <unistd.h> |
34 |
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#include <libgen.h> |
35 |
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#include <execinfo.h> |
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#include <signal.h> |
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#include <blkid/blkid.h> |
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39 |
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#include "log.h" |
40 |
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41 |
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#ifndef DEBUG |
42 |
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#define DEBUG 0 |
43 |
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#endif |
44 |
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45 |
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#if DEBUG |
46 |
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#define dbgPrintf(format, args...) fprintf(stderr, format , ## args) |
47 |
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#else |
48 |
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#define dbgPrintf(format, args...) |
49 |
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#endif |
50 |
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|
51 |
#include "mount_by_label.h" |
int debug = 0; /* Currently just for template debugging */ |
52 |
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|
53 |
#define _(A) (A) |
#define _(A) (A) |
54 |
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|
55 |
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#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 |
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|
58 |
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#define NOOP_OPCODE 0x90 |
59 |
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#define JMP_SHORT_OPCODE 0xeb |
60 |
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|
61 |
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int isEfi = 0; |
62 |
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|
63 |
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#if defined(__aarch64__) |
64 |
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#define isEfiOnly 1 |
65 |
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#else |
66 |
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#define isEfiOnly 0 |
67 |
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#endif |
68 |
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|
69 |
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char *saved_command_line = NULL; |
70 |
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|
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 |
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|
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_WHITESPACE = 1 << 0, |
79 |
LT_BOOTROOT, LT_LBA, LT_MBMODULE, LT_OTHER, LT_GENERIC }; |
LT_TITLE = 1 << 1, |
80 |
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LT_KERNEL = 1 << 2, |
81 |
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LT_INITRD = 1 << 3, |
82 |
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LT_HYPER = 1 << 4, |
83 |
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LT_DEFAULT = 1 << 5, |
84 |
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LT_MBMODULE = 1 << 6, |
85 |
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LT_ROOT = 1 << 7, |
86 |
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LT_FALLBACK = 1 << 8, |
87 |
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LT_KERNELARGS = 1 << 9, |
88 |
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LT_BOOT = 1 << 10, |
89 |
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LT_BOOTROOT = 1 << 11, |
90 |
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LT_LBA = 1 << 12, |
91 |
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LT_OTHER = 1 << 13, |
92 |
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LT_GENERIC = 1 << 14, |
93 |
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LT_ECHO = 1 << 16, |
94 |
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LT_MENUENTRY = 1 << 17, |
95 |
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LT_ENTRY_END = 1 << 18, |
96 |
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LT_SET_VARIABLE = 1 << 19, |
97 |
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LT_KERNEL_EFI = 1 << 20, |
98 |
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LT_INITRD_EFI = 1 << 21, |
99 |
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LT_KERNEL_16 = 1 << 22, |
100 |
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LT_INITRD_16 = 1 << 23, |
101 |
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LT_DEVTREE = 1 << 24, |
102 |
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LT_UNKNOWN = 1 << 25, |
103 |
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}; |
104 |
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|
105 |
struct singleLine { |
struct singleLine { |
106 |
char * indent; |
char * indent; |
121 |
|
|
122 |
#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 */ |
123 |
|
|
124 |
#define KERNEL_KERNEL (1 << 0) |
/* These defines are (only) used in addNewKernel() */ |
125 |
#define KERNEL_INITRD (1 << 2) |
#define NEED_KERNEL (1 << 0) |
126 |
#define KERNEL_TITLE (1 << 3) |
#define NEED_INITRD (1 << 1) |
127 |
#define KERNEL_ARGS (1 << 4) |
#define NEED_TITLE (1 << 2) |
128 |
#define KERNEL_MB (1 << 5) |
#define NEED_ARGS (1 << 3) |
129 |
|
#define NEED_MB (1 << 4) |
130 |
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#define NEED_END (1 << 5) |
131 |
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#define NEED_DEVTREE (1 << 6) |
132 |
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|
133 |
#define MAIN_DEFAULT (1 << 0) |
#define MAIN_DEFAULT (1 << 0) |
134 |
#define DEFAULT_SAVED -2 |
#define DEFAULT_SAVED -2 |
135 |
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#define DEFAULT_SAVED_GRUB2 -3 |
136 |
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|
137 |
struct keywordTypes { |
struct keywordTypes { |
138 |
char * key; |
char * key; |
139 |
enum lineType_e type; |
enum lineType_e type; |
140 |
char nextChar; |
char nextChar; |
141 |
} ; |
char separatorChar; |
142 |
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}; |
143 |
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144 |
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struct configFileInfo; |
145 |
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146 |
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typedef const char *(*findConfigFunc)(struct configFileInfo *); |
147 |
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typedef const int (*writeLineFunc)(struct configFileInfo *, |
148 |
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struct singleLine *line); |
149 |
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typedef char *(*getEnvFunc)(struct configFileInfo *, char *name); |
150 |
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typedef int (*setEnvFunc)(struct configFileInfo *, char *name, char *value); |
151 |
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|
152 |
struct configFileInfo { |
struct configFileInfo { |
153 |
char * defaultConfig; |
char * defaultConfig; |
154 |
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findConfigFunc findConfig; |
155 |
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writeLineFunc writeLine; |
156 |
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getEnvFunc getEnv; |
157 |
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setEnvFunc setEnv; |
158 |
struct keywordTypes * keywords; |
struct keywordTypes * keywords; |
159 |
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int caseInsensitive; |
160 |
int defaultIsIndex; |
int defaultIsIndex; |
161 |
|
int defaultIsVariable; |
162 |
int defaultSupportSaved; |
int defaultSupportSaved; |
163 |
enum lineType_e entrySeparator; |
int defaultIsSaved; |
164 |
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int defaultIsUnquoted; |
165 |
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enum lineType_e entryStart; |
166 |
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enum lineType_e entryEnd; |
167 |
int needsBootPrefix; |
int needsBootPrefix; |
168 |
int argsInQuotes; |
int argsInQuotes; |
169 |
int maxTitleLength; |
int maxTitleLength; |
170 |
int titleBracketed; |
int titleBracketed; |
171 |
|
int titlePosition; |
172 |
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int mbHyperFirst; |
173 |
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int mbInitRdIsModule; |
174 |
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int mbConcatArgs; |
175 |
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int mbAllowExtraInitRds; |
176 |
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char *envFile; |
177 |
}; |
}; |
178 |
|
|
179 |
struct keywordTypes grubKeywords[] = { |
struct keywordTypes grubKeywords[] = { |
182 |
{ "default", LT_DEFAULT, ' ' }, |
{ "default", LT_DEFAULT, ' ' }, |
183 |
{ "fallback", LT_FALLBACK, ' ' }, |
{ "fallback", LT_FALLBACK, ' ' }, |
184 |
{ "kernel", LT_KERNEL, ' ' }, |
{ "kernel", LT_KERNEL, ' ' }, |
185 |
{ "initrd", LT_INITRD, ' ' }, |
{ "initrd", LT_INITRD, ' ', ' ' }, |
186 |
{ "module", LT_MBMODULE, ' ' }, |
{ "module", LT_MBMODULE, ' ' }, |
187 |
|
{ "kernel", LT_HYPER, ' ' }, |
188 |
{ NULL, 0, 0 }, |
{ NULL, 0, 0 }, |
189 |
}; |
}; |
190 |
|
|
191 |
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const char *grubFindConfig(struct configFileInfo *cfi) { |
192 |
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static const char *configFiles[] = { |
193 |
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"/boot/grub/grub.conf", |
194 |
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"/boot/grub/menu.lst", |
195 |
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"/etc/grub.conf", |
196 |
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"/boot/grub2/grub.cfg", |
197 |
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"/boot/grub2-efi/grub.cfg", |
198 |
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NULL |
199 |
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}; |
200 |
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static int i = -1; |
201 |
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|
202 |
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if (i == -1) { |
203 |
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for (i = 0; configFiles[i] != NULL; i++) { |
204 |
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dbgPrintf("Checking \"%s\": ", configFiles[i]); |
205 |
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if (!access(configFiles[i], R_OK)) { |
206 |
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dbgPrintf("found\n"); |
207 |
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return configFiles[i]; |
208 |
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} |
209 |
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dbgPrintf("not found\n"); |
210 |
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} |
211 |
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} |
212 |
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return configFiles[i]; |
213 |
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} |
214 |
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|
215 |
struct configFileInfo grubConfigType = { |
struct configFileInfo grubConfigType = { |
216 |
"/boot/grub/grub.conf", /* defaultConfig */ |
.findConfig = grubFindConfig, |
217 |
grubKeywords, /* keywords */ |
.keywords = grubKeywords, |
218 |
1, /* defaultIsIndex */ |
.defaultIsIndex = 1, |
219 |
1, /* defaultSupportSaved */ |
.defaultSupportSaved = 1, |
220 |
LT_TITLE, /* entrySeparator */ |
.entryStart = LT_TITLE, |
221 |
1, /* needsBootPrefix */ |
.needsBootPrefix = 1, |
222 |
0, /* argsInQuotes */ |
.mbHyperFirst = 1, |
223 |
0, /* maxTitleLength */ |
.mbInitRdIsModule = 1, |
224 |
0, /* titleBracketed */ |
.mbAllowExtraInitRds = 1, |
225 |
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}; |
226 |
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|
227 |
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struct keywordTypes grub2Keywords[] = { |
228 |
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{ "menuentry", LT_MENUENTRY, ' ' }, |
229 |
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{ "}", LT_ENTRY_END, ' ' }, |
230 |
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{ "echo", LT_ECHO, ' ' }, |
231 |
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{ "set", LT_SET_VARIABLE,' ', '=' }, |
232 |
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{ "root", LT_BOOTROOT, ' ' }, |
233 |
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{ "default", LT_DEFAULT, ' ' }, |
234 |
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{ "fallback", LT_FALLBACK, ' ' }, |
235 |
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{ "linux", LT_KERNEL, ' ' }, |
236 |
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{ "linuxefi", LT_KERNEL_EFI, ' ' }, |
237 |
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{ "linux16", LT_KERNEL_16, ' ' }, |
238 |
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{ "initrd", LT_INITRD, ' ', ' ' }, |
239 |
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{ "initrdefi", LT_INITRD_EFI, ' ', ' ' }, |
240 |
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{ "initrd16", LT_INITRD_16, ' ', ' ' }, |
241 |
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{ "module", LT_MBMODULE, ' ' }, |
242 |
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{ "kernel", LT_HYPER, ' ' }, |
243 |
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{ "devicetree", LT_DEVTREE, ' ' }, |
244 |
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{ NULL, 0, 0 }, |
245 |
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}; |
246 |
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|
247 |
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const char *grub2FindConfig(struct configFileInfo *cfi) { |
248 |
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static const char *configFiles[] = { |
249 |
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"/boot/grub/grub-efi.cfg", |
250 |
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"/boot/grub/grub.cfg", |
251 |
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NULL |
252 |
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}; |
253 |
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static int i = -1; |
254 |
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static const char *grub_cfg = "/boot/grub/grub.cfg"; |
255 |
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int rc = -1; |
256 |
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|
257 |
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if (i == -1) { |
258 |
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for (i = 0; configFiles[i] != NULL; i++) { |
259 |
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dbgPrintf("Checking \"%s\": ", configFiles[i]); |
260 |
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if ((rc = access(configFiles[i], R_OK))) { |
261 |
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if (errno == EACCES) { |
262 |
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printf("Unable to access bootloader configuration file " |
263 |
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"\"%s\": %m\n", configFiles[i]); |
264 |
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exit(1); |
265 |
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} |
266 |
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continue; |
267 |
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} else { |
268 |
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dbgPrintf("found\n"); |
269 |
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return configFiles[i]; |
270 |
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} |
271 |
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} |
272 |
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} |
273 |
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|
274 |
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/* Ubuntu renames grub2 to grub, so check for the grub.d directory |
275 |
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* that isn't in grub1, and if it exists, return the config file path |
276 |
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* that they use. */ |
277 |
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if (configFiles[i] == NULL && !access("/etc/grub.d/", R_OK)) { |
278 |
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dbgPrintf("found\n"); |
279 |
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return grub_cfg; |
280 |
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} |
281 |
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|
282 |
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dbgPrintf("not found\n"); |
283 |
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return configFiles[i]; |
284 |
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} |
285 |
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|
286 |
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/* kind of hacky. It'll give the first 1024 bytes, ish. */ |
287 |
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static char *grub2GetEnv(struct configFileInfo *info, char *name) |
288 |
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{ |
289 |
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static char buf[1025]; |
290 |
|
char *s = NULL; |
291 |
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char *ret = NULL; |
292 |
|
char *envFile = info->envFile ? info->envFile : "/boot/grub/grubenv"; |
293 |
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int rc = asprintf(&s, "grub-editenv %s list | grep '^%s='", envFile, name); |
294 |
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|
295 |
|
if (rc < 0) |
296 |
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return NULL; |
297 |
|
|
298 |
|
FILE *f = popen(s, "r"); |
299 |
|
if (!f) |
300 |
|
goto out; |
301 |
|
|
302 |
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memset(buf, '\0', sizeof (buf)); |
303 |
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ret = fgets(buf, 1024, f); |
304 |
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pclose(f); |
305 |
|
|
306 |
|
if (ret) { |
307 |
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ret += strlen(name) + 1; |
308 |
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ret[strlen(ret) - 1] = '\0'; |
309 |
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} |
310 |
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dbgPrintf("grub2GetEnv(%s): %s\n", name, ret); |
311 |
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out: |
312 |
|
free(s); |
313 |
|
return ret; |
314 |
|
} |
315 |
|
|
316 |
|
static int sPopCount(const char *s, const char *c) |
317 |
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{ |
318 |
|
int ret = 0; |
319 |
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if (!s) |
320 |
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return -1; |
321 |
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for (int i = 0; s[i] != '\0'; i++) |
322 |
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for (int j = 0; c[j] != '\0'; j++) |
323 |
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if (s[i] == c[j]) |
324 |
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ret++; |
325 |
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return ret; |
326 |
|
} |
327 |
|
|
328 |
|
static char *shellEscape(const char *s) |
329 |
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{ |
330 |
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int l = strlen(s) + sPopCount(s, "'") * 2; |
331 |
|
|
332 |
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char *ret = calloc(l+1, sizeof (*ret)); |
333 |
|
if (!ret) |
334 |
|
return NULL; |
335 |
|
for (int i = 0, j = 0; s[i] != '\0'; i++, j++) { |
336 |
|
if (s[i] == '\'') |
337 |
|
ret[j++] = '\\'; |
338 |
|
ret[j] = s[i]; |
339 |
|
} |
340 |
|
return ret; |
341 |
|
} |
342 |
|
|
343 |
|
static void unquote(char *s) |
344 |
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{ |
345 |
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int l = strlen(s); |
346 |
|
|
347 |
|
if ((s[l-1] == '\'' && s[0] == '\'') || (s[l-1] == '"' && s[0] == '"')) { |
348 |
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memmove(s, s+1, l-2); |
349 |
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s[l-2] = '\0'; |
350 |
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} |
351 |
|
} |
352 |
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353 |
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static int grub2SetEnv(struct configFileInfo *info, char *name, char *value) |
354 |
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{ |
355 |
|
char *s = NULL; |
356 |
|
int rc = 0; |
357 |
|
char *envFile = info->envFile ? info->envFile : "/boot/grub/grubenv"; |
358 |
|
|
359 |
|
unquote(value); |
360 |
|
value = shellEscape(value); |
361 |
|
if (!value) |
362 |
|
return -1; |
363 |
|
|
364 |
|
rc = asprintf(&s, "grub-editenv %s set '%s=%s'", envFile, name, value); |
365 |
|
free(value); |
366 |
|
if (rc <0) |
367 |
|
return -1; |
368 |
|
|
369 |
|
dbgPrintf("grub2SetEnv(%s): %s\n", name, s); |
370 |
|
rc = system(s); |
371 |
|
free(s); |
372 |
|
return rc; |
373 |
|
} |
374 |
|
|
375 |
|
/* this is a gigantic hack to avoid clobbering grub2 variables... */ |
376 |
|
static int is_special_grub2_variable(const char *name) |
377 |
|
{ |
378 |
|
if (!strcmp(name,"\"${next_entry}\"")) |
379 |
|
return 1; |
380 |
|
if (!strcmp(name,"\"${prev_saved_entry}\"")) |
381 |
|
return 1; |
382 |
|
return 0; |
383 |
|
} |
384 |
|
|
385 |
|
int sizeOfSingleLine(struct singleLine * line) { |
386 |
|
int count = 0; |
387 |
|
|
388 |
|
for (int i = 0; i < line->numElements; i++) { |
389 |
|
int indentSize = 0; |
390 |
|
|
391 |
|
count = count + strlen(line->elements[i].item); |
392 |
|
|
393 |
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indentSize = strlen(line->elements[i].indent); |
394 |
|
if (indentSize > 0) |
395 |
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count = count + indentSize; |
396 |
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else |
397 |
|
/* be extra safe and add room for whitespaces */ |
398 |
|
count = count + 1; |
399 |
|
} |
400 |
|
|
401 |
|
/* room for trailing terminator */ |
402 |
|
count = count + 1; |
403 |
|
|
404 |
|
return count; |
405 |
|
} |
406 |
|
|
407 |
|
static int isquote(char q) |
408 |
|
{ |
409 |
|
if (q == '\'' || q == '\"') |
410 |
|
return 1; |
411 |
|
return 0; |
412 |
|
} |
413 |
|
|
414 |
|
static int iskernel(enum lineType_e type) { |
415 |
|
return (type == LT_KERNEL || type == LT_KERNEL_EFI || type == LT_KERNEL_16); |
416 |
|
} |
417 |
|
|
418 |
|
static int isinitrd(enum lineType_e type) { |
419 |
|
return (type == LT_INITRD || type == LT_INITRD_EFI || type == LT_INITRD_16); |
420 |
|
} |
421 |
|
|
422 |
|
char *grub2ExtractTitle(struct singleLine * line) { |
423 |
|
char * current; |
424 |
|
char * current_indent; |
425 |
|
int current_len; |
426 |
|
int current_indent_len; |
427 |
|
int i; |
428 |
|
|
429 |
|
/* bail out if line does not start with menuentry */ |
430 |
|
if (strcmp(line->elements[0].item, "menuentry")) |
431 |
|
return NULL; |
432 |
|
|
433 |
|
i = 1; |
434 |
|
current = line->elements[i].item; |
435 |
|
current_len = strlen(current); |
436 |
|
|
437 |
|
/* if second word is quoted, strip the quotes and return single word */ |
438 |
|
if (isquote(*current) && isquote(current[current_len - 1])) { |
439 |
|
char *tmp; |
440 |
|
|
441 |
|
tmp = strdup(current); |
442 |
|
*(tmp + current_len - 1) = '\0'; |
443 |
|
return ++tmp; |
444 |
|
} |
445 |
|
|
446 |
|
/* if no quotes, return second word verbatim */ |
447 |
|
if (!isquote(*current)) |
448 |
|
return current; |
449 |
|
|
450 |
|
/* second element start with a quote, so we have to find the element |
451 |
|
* whose last character is also quote (assuming it's the closing one) */ |
452 |
|
int resultMaxSize; |
453 |
|
char * result; |
454 |
|
|
455 |
|
resultMaxSize = sizeOfSingleLine(line); |
456 |
|
result = malloc(resultMaxSize); |
457 |
|
snprintf(result, resultMaxSize, "%s", ++current); |
458 |
|
|
459 |
|
i++; |
460 |
|
for (; i < line->numElements; ++i) { |
461 |
|
current = line->elements[i].item; |
462 |
|
current_len = strlen(current); |
463 |
|
current_indent = line->elements[i].indent; |
464 |
|
current_indent_len = strlen(current_indent); |
465 |
|
|
466 |
|
strncat(result, current_indent, current_indent_len); |
467 |
|
if (!isquote(current[current_len-1])) { |
468 |
|
strncat(result, current, current_len); |
469 |
|
} else { |
470 |
|
strncat(result, current, current_len - 1); |
471 |
|
break; |
472 |
|
} |
473 |
|
} |
474 |
|
return result; |
475 |
|
} |
476 |
|
|
477 |
|
struct configFileInfo grub2ConfigType = { |
478 |
|
.findConfig = grub2FindConfig, |
479 |
|
.getEnv = grub2GetEnv, |
480 |
|
.setEnv = grub2SetEnv, |
481 |
|
.keywords = grub2Keywords, |
482 |
|
.defaultIsIndex = 1, |
483 |
|
.defaultSupportSaved = 1, |
484 |
|
.defaultIsVariable = 1, |
485 |
|
.entryStart = LT_MENUENTRY, |
486 |
|
.entryEnd = LT_ENTRY_END, |
487 |
|
.titlePosition = 1, |
488 |
|
.needsBootPrefix = 1, |
489 |
|
.mbHyperFirst = 1, |
490 |
|
.mbInitRdIsModule = 1, |
491 |
|
.mbAllowExtraInitRds = 1, |
492 |
}; |
}; |
493 |
|
|
494 |
struct keywordTypes yabootKeywords[] = { |
struct keywordTypes yabootKeywords[] = { |
522 |
{ "partition", LT_GENERIC, '=' }, |
{ "partition", LT_GENERIC, '=' }, |
523 |
{ "device", LT_GENERIC, '=' }, |
{ "device", LT_GENERIC, '=' }, |
524 |
{ "fstype", LT_GENERIC, '=' }, |
{ "fstype", LT_GENERIC, '=' }, |
525 |
{ "initrd", LT_INITRD, '=' }, |
{ "initrd", LT_INITRD, '=', ';' }, |
526 |
{ "append", LT_KERNELARGS, '=' }, |
{ "append", LT_KERNELARGS, '=' }, |
527 |
{ "boot", LT_BOOT, '=' }, |
{ "boot", LT_BOOT, '=' }, |
528 |
{ "lba", LT_LBA, ' ' }, |
{ "lba", LT_LBA, ' ' }, |
542 |
{ NULL, 0, 0 }, |
{ NULL, 0, 0 }, |
543 |
}; |
}; |
544 |
|
|
545 |
|
struct keywordTypes eliloKeywords[] = { |
546 |
|
{ "label", LT_TITLE, '=' }, |
547 |
|
{ "root", LT_ROOT, '=' }, |
548 |
|
{ "default", LT_DEFAULT, '=' }, |
549 |
|
{ "image", LT_KERNEL, '=' }, |
550 |
|
{ "initrd", LT_INITRD, '=' }, |
551 |
|
{ "append", LT_KERNELARGS, '=' }, |
552 |
|
{ "vmm", LT_HYPER, '=' }, |
553 |
|
{ NULL, 0, 0 }, |
554 |
|
}; |
555 |
|
|
556 |
struct keywordTypes siloKeywords[] = { |
struct keywordTypes siloKeywords[] = { |
557 |
{ "label", LT_TITLE, '=' }, |
{ "label", LT_TITLE, '=' }, |
558 |
{ "root", LT_ROOT, '=' }, |
{ "root", LT_ROOT, '=' }, |
574 |
{ NULL, 0, 0 }, |
{ NULL, 0, 0 }, |
575 |
}; |
}; |
576 |
|
|
577 |
|
struct keywordTypes extlinuxKeywords[] = { |
578 |
|
{ "label", LT_TITLE, ' ' }, |
579 |
|
{ "root", LT_ROOT, ' ' }, |
580 |
|
{ "default", LT_DEFAULT, ' ' }, |
581 |
|
{ "kernel", LT_KERNEL, ' ' }, |
582 |
|
{ "initrd", LT_INITRD, ' ', ',' }, |
583 |
|
{ "append", LT_KERNELARGS, ' ' }, |
584 |
|
{ "prompt", LT_UNKNOWN, ' ' }, |
585 |
|
{ "fdt", LT_DEVTREE, ' ' }, |
586 |
|
{ NULL, 0, 0 }, |
587 |
|
}; |
588 |
|
int useextlinuxmenu; |
589 |
struct configFileInfo eliloConfigType = { |
struct configFileInfo eliloConfigType = { |
590 |
"/boot/efi/EFI/redhat/elilo.conf", /* defaultConfig */ |
.defaultConfig = "/boot/efi/EFI/redhat/elilo.conf", |
591 |
liloKeywords, /* keywords */ |
.keywords = eliloKeywords, |
592 |
0, /* defaultIsIndex */ |
.entryStart = LT_KERNEL, |
593 |
0, /* defaultSupportSaved */ |
.needsBootPrefix = 1, |
594 |
LT_KERNEL, /* entrySeparator */ |
.argsInQuotes = 1, |
595 |
1, /* needsBootPrefix */ |
.mbConcatArgs = 1, |
|
1, /* argsInQuotes */ |
|
|
0, /* maxTitleLength */ |
|
|
0, /* titleBracketed */ |
|
596 |
}; |
}; |
597 |
|
|
598 |
struct configFileInfo liloConfigType = { |
struct configFileInfo liloConfigType = { |
599 |
"/etc/lilo.conf", /* defaultConfig */ |
.defaultConfig = "/etc/lilo.conf", |
600 |
liloKeywords, /* keywords */ |
.keywords = liloKeywords, |
601 |
0, /* defaultIsIndex */ |
.entryStart = LT_KERNEL, |
602 |
0, /* defaultSupportSaved */ |
.argsInQuotes = 1, |
603 |
LT_KERNEL, /* entrySeparator */ |
.maxTitleLength = 15, |
|
0, /* needsBootPrefix */ |
|
|
1, /* argsInQuotes */ |
|
|
15, /* maxTitleLength */ |
|
|
0, /* titleBracketed */ |
|
604 |
}; |
}; |
605 |
|
|
606 |
struct configFileInfo yabootConfigType = { |
struct configFileInfo yabootConfigType = { |
607 |
"/etc/yaboot.conf", /* defaultConfig */ |
.defaultConfig = "/etc/yaboot.conf", |
608 |
yabootKeywords, /* keywords */ |
.keywords = yabootKeywords, |
609 |
0, /* defaultIsIndex */ |
.entryStart = LT_KERNEL, |
610 |
0, /* defaultSupportSaved */ |
.needsBootPrefix = 1, |
611 |
LT_KERNEL, /* entrySeparator */ |
.argsInQuotes = 1, |
612 |
1, /* needsBootPrefix */ |
.maxTitleLength = 15, |
613 |
1, /* argsInQuotes */ |
.mbAllowExtraInitRds = 1, |
|
15, /* maxTitleLength */ |
|
|
0, /* titleBracketed */ |
|
614 |
}; |
}; |
615 |
|
|
616 |
struct configFileInfo siloConfigType = { |
struct configFileInfo siloConfigType = { |
617 |
"/etc/silo.conf", /* defaultConfig */ |
.defaultConfig = "/etc/silo.conf", |
618 |
siloKeywords, /* keywords */ |
.keywords = siloKeywords, |
619 |
0, /* defaultIsIndex */ |
.entryStart = LT_KERNEL, |
620 |
0, /* defaultSupportSaved */ |
.needsBootPrefix = 1, |
621 |
LT_KERNEL, /* entrySeparator */ |
.argsInQuotes = 1, |
622 |
1, /* needsBootPrefix */ |
.maxTitleLength = 15, |
|
1, /* argsInQuotes */ |
|
|
15, /* maxTitleLength */ |
|
|
0, /* titleBracketed */ |
|
623 |
}; |
}; |
624 |
|
|
625 |
struct configFileInfo ziplConfigType = { |
struct configFileInfo ziplConfigType = { |
626 |
"/etc/zipl.conf", /* defaultConfig */ |
.defaultConfig = "/etc/zipl.conf", |
627 |
ziplKeywords, /* keywords */ |
.keywords = ziplKeywords, |
628 |
0, /* defaultIsIndex */ |
.entryStart = LT_TITLE, |
629 |
0, /* defaultSupportSaved */ |
.argsInQuotes = 1, |
630 |
LT_TITLE, /* entrySeparator */ |
.titleBracketed = 1, |
631 |
0, /* needsBootPrefix */ |
}; |
632 |
1, /* argsInQuotes */ |
|
633 |
15, /* maxTitleLength */ |
struct configFileInfo extlinuxConfigType = { |
634 |
1, /* titleBracketed */ |
.defaultConfig = "/boot/extlinux/extlinux.conf", |
635 |
|
.keywords = extlinuxKeywords, |
636 |
|
.caseInsensitive = 1, |
637 |
|
.entryStart = LT_TITLE, |
638 |
|
.needsBootPrefix = 1, |
639 |
|
.maxTitleLength = 255, |
640 |
|
.mbAllowExtraInitRds = 1, |
641 |
|
.defaultIsUnquoted = 1, |
642 |
}; |
}; |
643 |
|
|
644 |
struct grubConfig { |
struct grubConfig { |
653 |
struct configFileInfo * cfi; |
struct configFileInfo * cfi; |
654 |
}; |
}; |
655 |
|
|
656 |
|
blkid_cache blkid; |
657 |
|
|
658 |
struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index); |
struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index); |
659 |
struct singleEntry * findEntryByPath(struct grubConfig * cfg, |
struct singleEntry * findEntryByPath(struct grubConfig * cfg, |
660 |
const char * path, const char * prefix, |
const char * path, const char * prefix, |
661 |
int * index); |
int * index); |
662 |
static char * strndup(char * from, int len); |
struct singleEntry * findEntryByTitle(struct grubConfig * cfg, char *title, |
663 |
|
int * index); |
664 |
static int readFile(int fd, char ** bufPtr); |
static int readFile(int fd, char ** bufPtr); |
665 |
static void lineInit(struct singleLine * line); |
static void lineInit(struct singleLine * line); |
666 |
|
struct singleLine * lineDup(struct singleLine * line); |
667 |
static void lineFree(struct singleLine * line); |
static void lineFree(struct singleLine * line); |
668 |
static int lineWrite(FILE * out, struct singleLine * line, |
static int lineWrite(FILE * out, struct singleLine * line, |
669 |
struct configFileInfo * cfi); |
struct configFileInfo * cfi); |
670 |
static int getNextLine(char ** bufPtr, struct singleLine * line, |
static int getNextLine(char ** bufPtr, struct singleLine * line, |
671 |
struct configFileInfo * cfi); |
struct configFileInfo * cfi); |
672 |
static char * getRootSpecifier(char * str); |
static char * getRootSpecifier(char * str); |
673 |
|
static void requote(struct singleLine *line, struct configFileInfo * cfi); |
674 |
static char * strndup(char * from, int len) { |
static void insertElement(struct singleLine * line, |
675 |
char * to; |
const char * item, int insertHere, |
676 |
|
struct configFileInfo * cfi); |
677 |
to = malloc(len + 1); |
static void removeElement(struct singleLine * line, int removeHere); |
678 |
strncpy(to, from, len); |
static struct keywordTypes * getKeywordByType(enum lineType_e type, |
679 |
to[len] = '\0'; |
struct configFileInfo * cfi); |
680 |
|
static enum lineType_e getTypeByKeyword(char * keyword, |
681 |
return to; |
struct configFileInfo * cfi); |
682 |
} |
static struct singleLine * getLineByType(enum lineType_e type, |
683 |
|
struct singleLine * line); |
684 |
|
static int checkForExtLinux(struct grubConfig * config); |
685 |
|
struct singleLine * addLineTmpl(struct singleEntry * entry, |
686 |
|
struct singleLine * tmplLine, |
687 |
|
struct singleLine * prevLine, |
688 |
|
const char * val, |
689 |
|
struct configFileInfo * cfi); |
690 |
|
struct singleLine * addLine(struct singleEntry * entry, |
691 |
|
struct configFileInfo * cfi, |
692 |
|
enum lineType_e type, char * defaultIndent, |
693 |
|
const char * val); |
694 |
|
|
695 |
static char * sdupprintf(const char *format, ...) |
static char * sdupprintf(const char *format, ...) |
696 |
#ifdef __GNUC__ |
#ifdef __GNUC__ |
725 |
return buf; |
return buf; |
726 |
} |
} |
727 |
|
|
728 |
|
static enum lineType_e preferredLineType(enum lineType_e type, |
729 |
|
struct configFileInfo *cfi) { |
730 |
|
if (isEfi && cfi == &grub2ConfigType) { |
731 |
|
switch (type) { |
732 |
|
case LT_KERNEL: |
733 |
|
return isEfiOnly ? LT_KERNEL : LT_KERNEL_EFI; |
734 |
|
case LT_INITRD: |
735 |
|
return isEfiOnly ? LT_INITRD : LT_INITRD_EFI; |
736 |
|
default: |
737 |
|
return type; |
738 |
|
} |
739 |
|
#if defined(__i386__) || defined(__x86_64__) |
740 |
|
} else if (cfi == &grub2ConfigType) { |
741 |
|
switch (type) { |
742 |
|
case LT_KERNEL: |
743 |
|
return LT_KERNEL_16; |
744 |
|
case LT_INITRD: |
745 |
|
return LT_INITRD_16; |
746 |
|
default: |
747 |
|
return type; |
748 |
|
} |
749 |
|
#endif |
750 |
|
} |
751 |
|
return type; |
752 |
|
} |
753 |
|
|
754 |
|
static struct keywordTypes * getKeywordByType(enum lineType_e type, |
755 |
|
struct configFileInfo * cfi) { |
756 |
|
for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) { |
757 |
|
if (kw->type == type) |
758 |
|
return kw; |
759 |
|
} |
760 |
|
return NULL; |
761 |
|
} |
762 |
|
|
763 |
|
static char *getKeyByType(enum lineType_e type, struct configFileInfo * cfi) { |
764 |
|
struct keywordTypes *kt = getKeywordByType(type, cfi); |
765 |
|
if (kt) |
766 |
|
return kt->key; |
767 |
|
return "unknown"; |
768 |
|
} |
769 |
|
|
770 |
|
static char * getpathbyspec(char *device) { |
771 |
|
if (!blkid) |
772 |
|
blkid_get_cache(&blkid, NULL); |
773 |
|
|
774 |
|
return blkid_get_devname(blkid, device, NULL); |
775 |
|
} |
776 |
|
|
777 |
|
static char * getuuidbydev(char *device) { |
778 |
|
if (!blkid) |
779 |
|
blkid_get_cache(&blkid, NULL); |
780 |
|
|
781 |
|
return blkid_get_tag_value(blkid, "UUID", device); |
782 |
|
} |
783 |
|
|
784 |
|
static enum lineType_e getTypeByKeyword(char * keyword, |
785 |
|
struct configFileInfo * cfi) { |
786 |
|
for (struct keywordTypes *kw = cfi->keywords; kw->key; kw++) { |
787 |
|
if (cfi->caseInsensitive) { |
788 |
|
if (!strcasecmp(keyword, kw->key)) |
789 |
|
return kw->type; |
790 |
|
} else { |
791 |
|
if (!strcmp(keyword, kw->key)) |
792 |
|
return kw->type; |
793 |
|
} |
794 |
|
} |
795 |
|
return LT_UNKNOWN; |
796 |
|
} |
797 |
|
|
798 |
|
static struct singleLine * getLineByType(enum lineType_e type, |
799 |
|
struct singleLine * line) { |
800 |
|
dbgPrintf("getLineByType(%d): ", type); |
801 |
|
for (; line; line = line->next) { |
802 |
|
dbgPrintf("%d:%s ", line->type, |
803 |
|
line->numElements ? line->elements[0].item : "(empty)"); |
804 |
|
if (line->type & type) break; |
805 |
|
} |
806 |
|
dbgPrintf(line ? "\n" : " (failed)\n"); |
807 |
|
return line; |
808 |
|
} |
809 |
|
|
810 |
static int isBracketedTitle(struct singleLine * line) { |
static int isBracketedTitle(struct singleLine * line) { |
811 |
if ((*line->elements[0].item == '[') && (line->numElements == 1)) { |
if (line->numElements == 1 && *line->elements[0].item == '[') { |
812 |
int len = strlen(line->elements[0].item); |
int len = strlen(line->elements[0].item); |
813 |
if (*(line->elements[0].item + len - 1) == ']') { |
if (*(line->elements[0].item + len - 1) == ']') { |
814 |
/* FIXME: this is a hack... */ |
/* FIXME: this is a hack... */ |
820 |
return 0; |
return 0; |
821 |
} |
} |
822 |
|
|
823 |
/* figure out if this is a entry separator */ |
static int isEntryStart(struct singleLine * line, |
|
static int isEntrySeparator(struct singleLine * line, |
|
824 |
struct configFileInfo * cfi) { |
struct configFileInfo * cfi) { |
825 |
if (line->type == LT_WHITESPACE) |
return line->type == cfi->entryStart || line->type == LT_OTHER || |
826 |
return 0; |
(cfi->titleBracketed && isBracketedTitle(line)); |
|
if (line->type == cfi->entrySeparator) |
|
|
return 1; |
|
|
if (line->type == LT_OTHER) |
|
|
return 1; |
|
|
if (cfi->titleBracketed && isBracketedTitle(line)) { |
|
|
return 1; |
|
|
} |
|
|
return 0; |
|
827 |
} |
} |
828 |
|
|
829 |
/* extract the title from within brackets (for zipl) */ |
/* extract the title from within brackets (for zipl) */ |
830 |
static char * extractTitle(struct singleLine * line) { |
static char * extractTitle(struct singleLine * line) { |
831 |
/* bracketed title... let's extract it (leaks a byte) */ |
/* bracketed title... let's extract it (leaks a byte) */ |
832 |
char * title; |
char * title = NULL; |
833 |
title = strdup(line->elements[0].item); |
if (line->type == LT_TITLE) { |
834 |
title++; |
title = strdup(line->elements[0].item); |
835 |
*(title + strlen(title) - 1) = '\0'; |
title++; |
836 |
|
*(title + strlen(title) - 1) = '\0'; |
837 |
|
} else if (line->type == LT_MENUENTRY) |
838 |
|
title = strdup(line->elements[1].item); |
839 |
|
else |
840 |
|
return NULL; |
841 |
return title; |
return title; |
842 |
} |
} |
843 |
|
|
879 |
line->next = NULL; |
line->next = NULL; |
880 |
} |
} |
881 |
|
|
882 |
static void lineFree(struct singleLine * line) { |
struct singleLine * lineDup(struct singleLine * line) { |
883 |
int i; |
struct singleLine * newLine = malloc(sizeof(*newLine)); |
884 |
|
|
885 |
|
newLine->indent = strdup(line->indent); |
886 |
|
newLine->next = NULL; |
887 |
|
newLine->type = line->type; |
888 |
|
newLine->numElements = line->numElements; |
889 |
|
newLine->elements = malloc(sizeof(*newLine->elements) * |
890 |
|
newLine->numElements); |
891 |
|
|
892 |
|
for (int i = 0; i < newLine->numElements; i++) { |
893 |
|
newLine->elements[i].indent = strdup(line->elements[i].indent); |
894 |
|
newLine->elements[i].item = strdup(line->elements[i].item); |
895 |
|
} |
896 |
|
|
897 |
|
return newLine; |
898 |
|
} |
899 |
|
|
900 |
|
static void lineFree(struct singleLine * line) { |
901 |
if (line->indent) free(line->indent); |
if (line->indent) free(line->indent); |
902 |
|
|
903 |
for (i = 0; i < line->numElements; i++) { |
for (int i = 0; i < line->numElements; i++) { |
904 |
free(line->elements[i].item); |
free(line->elements[i].item); |
905 |
free(line->elements[i].indent); |
free(line->elements[i].indent); |
906 |
} |
} |
911 |
|
|
912 |
static int lineWrite(FILE * out, struct singleLine * line, |
static int lineWrite(FILE * out, struct singleLine * line, |
913 |
struct configFileInfo * cfi) { |
struct configFileInfo * cfi) { |
|
int i; |
|
|
|
|
914 |
if (fprintf(out, "%s", line->indent) == -1) return -1; |
if (fprintf(out, "%s", line->indent) == -1) return -1; |
915 |
|
|
916 |
for (i = 0; i < line->numElements; i++) { |
for (int i = 0; i < line->numElements; i++) { |
917 |
|
/* Need to handle this, because we strip the quotes from |
918 |
|
* menuentry when read it. */ |
919 |
|
if (line->type == LT_MENUENTRY && i == 1) { |
920 |
|
if(!isquote(*line->elements[i].item)) |
921 |
|
fprintf(out, "\'%s\'", line->elements[i].item); |
922 |
|
else |
923 |
|
fprintf(out, "%s", line->elements[i].item); |
924 |
|
fprintf(out, "%s", line->elements[i].indent); |
925 |
|
|
926 |
|
continue; |
927 |
|
} |
928 |
|
|
929 |
if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes) |
if (i == 1 && line->type == LT_KERNELARGS && cfi->argsInQuotes) |
930 |
if (fputc('"', out) == EOF) return -1; |
if (fputc('"', out) == EOF) return -1; |
931 |
|
|
932 |
if (fprintf(out, "%s", line->elements[i].item) == -1) return -1; |
if (fprintf(out, "%s", line->elements[i].item) == -1) return -1; |
933 |
if (fprintf(out, "%s", line->elements[i].indent) == -1) return -1; |
if (i < line->numElements - 1) |
934 |
|
if (fprintf(out, "%s", line->elements[i].indent) == -1) return -1; |
935 |
} |
} |
936 |
|
|
937 |
if (line->type == LT_KERNELARGS && cfi->argsInQuotes) |
if (line->type == LT_KERNELARGS && cfi->argsInQuotes) |
950 |
char * chptr; |
char * chptr; |
951 |
int elementsAlloced = 0; |
int elementsAlloced = 0; |
952 |
struct lineElement * element; |
struct lineElement * element; |
|
struct keywordTypes * keywords = cfi->keywords; |
|
953 |
int first = 1; |
int first = 1; |
|
int i; |
|
954 |
|
|
955 |
lineFree(line); |
lineFree(line); |
956 |
|
|
1004 |
if (!line->numElements) |
if (!line->numElements) |
1005 |
line->type = LT_WHITESPACE; |
line->type = LT_WHITESPACE; |
1006 |
else { |
else { |
1007 |
for (i = 0; keywords[i].key; i++) |
line->type = getTypeByKeyword(line->elements[0].item, cfi); |
1008 |
if (!strcmp(line->elements[0].item, keywords[i].key)) break; |
if (line->type == LT_UNKNOWN) { |
|
|
|
|
if (keywords[i].key) { |
|
|
line->type = keywords[i].type; |
|
|
} else { |
|
|
line->type = LT_UNKNOWN; |
|
|
|
|
1009 |
/* zipl does [title] instead of something reasonable like all |
/* zipl does [title] instead of something reasonable like all |
1010 |
* the other boot loaders. kind of ugly */ |
* the other boot loaders. kind of ugly */ |
1011 |
if (cfi->titleBracketed && isBracketedTitle(line)) { |
if (cfi->titleBracketed && isBracketedTitle(line)) { |
1019 |
if (*line->elements[0].item == '#') { |
if (*line->elements[0].item == '#') { |
1020 |
char * fullLine; |
char * fullLine; |
1021 |
int len; |
int len; |
|
int i; |
|
1022 |
|
|
1023 |
len = strlen(line->indent); |
len = strlen(line->indent); |
1024 |
for (i = 0; i < line->numElements; i++) |
for (int i = 0; i < line->numElements; i++) |
1025 |
len += strlen(line->elements[i].item) + |
len += strlen(line->elements[i].item) + |
1026 |
strlen(line->elements[i].indent); |
strlen(line->elements[i].indent); |
1027 |
|
|
1030 |
free(line->indent); |
free(line->indent); |
1031 |
line->indent = fullLine; |
line->indent = fullLine; |
1032 |
|
|
1033 |
for (i = 0; i < line->numElements; i++) { |
for (int i = 0; i < line->numElements; i++) { |
1034 |
strcat(fullLine, line->elements[i].item); |
strcat(fullLine, line->elements[i].item); |
1035 |
strcat(fullLine, line->elements[i].indent); |
strcat(fullLine, line->elements[i].indent); |
1036 |
free(line->elements[i].item); |
free(line->elements[i].item); |
1040 |
line->type = LT_WHITESPACE; |
line->type = LT_WHITESPACE; |
1041 |
line->numElements = 0; |
line->numElements = 0; |
1042 |
} |
} |
1043 |
|
} else { |
1044 |
|
struct keywordTypes *kw; |
1045 |
|
|
1046 |
|
kw = getKeywordByType(line->type, cfi); |
1047 |
|
|
1048 |
|
/* space isn't the only separator, we need to split |
1049 |
|
* elements up more |
1050 |
|
*/ |
1051 |
|
if (!isspace(kw->separatorChar)) { |
1052 |
|
char indent[2] = ""; |
1053 |
|
indent[0] = kw->separatorChar; |
1054 |
|
for (int i = 1; i < line->numElements; i++) { |
1055 |
|
char *p; |
1056 |
|
int numNewElements; |
1057 |
|
|
1058 |
|
numNewElements = 0; |
1059 |
|
p = line->elements[i].item; |
1060 |
|
while (*p != '\0') { |
1061 |
|
if (*p == kw->separatorChar) |
1062 |
|
numNewElements++; |
1063 |
|
p++; |
1064 |
|
} |
1065 |
|
if (line->numElements + numNewElements >= elementsAlloced) { |
1066 |
|
elementsAlloced += numNewElements + 5; |
1067 |
|
line->elements = realloc(line->elements, |
1068 |
|
sizeof(*line->elements) * elementsAlloced); |
1069 |
|
} |
1070 |
|
|
1071 |
|
for (int j = line->numElements; j > i; j--) { |
1072 |
|
line->elements[j + numNewElements] = line->elements[j]; |
1073 |
|
} |
1074 |
|
line->numElements += numNewElements; |
1075 |
|
|
1076 |
|
p = line->elements[i].item; |
1077 |
|
while (*p != '\0') { |
1078 |
|
|
1079 |
|
while (*p != kw->separatorChar && *p != '\0') p++; |
1080 |
|
if (*p == '\0') { |
1081 |
|
break; |
1082 |
|
} |
1083 |
|
|
1084 |
|
line->elements[i + 1].indent = line->elements[i].indent; |
1085 |
|
line->elements[i].indent = strdup(indent); |
1086 |
|
*p++ = '\0'; |
1087 |
|
i++; |
1088 |
|
line->elements[i].item = strdup(p); |
1089 |
|
} |
1090 |
|
} |
1091 |
|
} |
1092 |
} |
} |
1093 |
} |
} |
1094 |
|
|
1095 |
return 0; |
return 0; |
1096 |
} |
} |
1097 |
|
|
1098 |
|
static int isnumber(const char *s) |
1099 |
|
{ |
1100 |
|
int i; |
1101 |
|
for (i = 0; s[i] != '\0'; i++) |
1102 |
|
if (s[i] < '0' || s[i] > '9') |
1103 |
|
return 0; |
1104 |
|
return i; |
1105 |
|
} |
1106 |
|
|
1107 |
static struct grubConfig * readConfig(const char * inName, |
static struct grubConfig * readConfig(const char * inName, |
1108 |
struct configFileInfo * cfi) { |
struct configFileInfo * cfi) { |
1109 |
int in; |
int in; |
1115 |
struct singleLine * last = NULL, * line, * defaultLine = NULL; |
struct singleLine * last = NULL, * line, * defaultLine = NULL; |
1116 |
char * end; |
char * end; |
1117 |
struct singleEntry * entry = NULL; |
struct singleEntry * entry = NULL; |
1118 |
int i, len; |
int len; |
1119 |
char * buf; |
char * buf; |
1120 |
|
|
1121 |
if (!strcmp(inName, "-")) { |
if (inName == NULL) { |
1122 |
|
printf("Could not find bootloader configuration\n"); |
1123 |
|
exit(1); |
1124 |
|
} else if (!strcmp(inName, "-")) { |
1125 |
in = 0; |
in = 0; |
1126 |
} else { |
} else { |
1127 |
if ((in = open(inName, O_RDONLY)) < 0) { |
if ((in = open(inName, O_RDONLY)) < 0) { |
1164 |
cfg->secondaryIndent = strdup(line->indent); |
cfg->secondaryIndent = strdup(line->indent); |
1165 |
} |
} |
1166 |
|
|
1167 |
if (isEntrySeparator(line, cfi)) { |
if (isEntryStart(line, cfi) || (cfg->entries && !sawEntry)) { |
1168 |
sawEntry = 1; |
sawEntry = 1; |
1169 |
if (!entry) { |
if (!entry) { |
1170 |
cfg->entries = malloc(sizeof(*entry)); |
cfg->entries = malloc(sizeof(*entry)); |
1180 |
entry->next = NULL; |
entry->next = NULL; |
1181 |
} |
} |
1182 |
|
|
1183 |
if (line->type == LT_DEFAULT && line->numElements == 2) { |
if (line->type == LT_SET_VARIABLE) { |
1184 |
cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT; |
dbgPrintf("found 'set' command (%d elements): ", line->numElements); |
1185 |
defaultLine = line; |
dbgPrintf("%s", line->indent); |
1186 |
|
for (int i = 0; i < line->numElements; i++) |
1187 |
|
dbgPrintf("\"%s\"%s", line->elements[i].item, line->elements[i].indent); |
1188 |
|
dbgPrintf("\n"); |
1189 |
|
struct keywordTypes *kwType = getKeywordByType(LT_DEFAULT, cfi); |
1190 |
|
if (kwType && line->numElements == 3 && |
1191 |
|
!strcmp(line->elements[1].item, kwType->key) && |
1192 |
|
!is_special_grub2_variable(line->elements[2].item)) { |
1193 |
|
dbgPrintf("Line sets default config\n"); |
1194 |
|
cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT; |
1195 |
|
defaultLine = line; |
1196 |
|
} |
1197 |
|
|
1198 |
|
} else if (iskernel(line->type)) { |
1199 |
|
/* if by some freak chance this is multiboot and the "module" |
1200 |
|
* lines came earlier in the template, make sure to use LT_HYPER |
1201 |
|
* instead of LT_KERNEL now |
1202 |
|
*/ |
1203 |
|
if (entry && entry->multiboot) |
1204 |
|
line->type = LT_HYPER; |
1205 |
|
|
1206 |
} else if (line->type == LT_MBMODULE) { |
} else if (line->type == LT_MBMODULE) { |
1207 |
|
/* go back and fix the LT_KERNEL line to indicate LT_HYPER |
1208 |
|
* instead, now that we know this is a multiboot entry. |
1209 |
|
* This only applies to grub, but that's the only place we |
1210 |
|
* should find LT_MBMODULE lines anyway. |
1211 |
|
*/ |
1212 |
|
for (struct singleLine *l = entry->lines; l; l = l->next) { |
1213 |
|
if (l->type == LT_HYPER) |
1214 |
|
break; |
1215 |
|
else if (iskernel(l->type)) { |
1216 |
|
l->type = LT_HYPER; |
1217 |
|
break; |
1218 |
|
} |
1219 |
|
} |
1220 |
entry->multiboot = 1; |
entry->multiboot = 1; |
1221 |
|
|
1222 |
|
} else if (line->type == LT_HYPER) { |
1223 |
|
entry->multiboot = 1; |
1224 |
|
|
1225 |
} else if (line->type == LT_FALLBACK && line->numElements == 2) { |
} else if (line->type == LT_FALLBACK && line->numElements == 2) { |
1226 |
cfg->fallbackImage = strtol(line->elements[1].item, &end, 10); |
cfg->fallbackImage = strtol(line->elements[1].item, &end, 10); |
1227 |
if (*end) cfg->fallbackImage = -1; |
if (*end) cfg->fallbackImage = -1; |
1228 |
} else if (line->type == LT_TITLE && line->numElements > 1) { |
|
1229 |
/* make the title a single argument (undoing our parsing) */ |
} else if ((line->type == LT_DEFAULT && cfi->defaultIsUnquoted) || |
1230 |
|
(line->type == LT_TITLE && line->numElements > 1)) { |
1231 |
|
/* make the title/default a single argument (undoing our parsing) */ |
1232 |
len = 0; |
len = 0; |
1233 |
for (i = 1; i < line->numElements; i++) { |
for (int i = 1; i < line->numElements; i++) { |
1234 |
len += strlen(line->elements[i].item); |
len += strlen(line->elements[i].item); |
1235 |
len += strlen(line->elements[i].indent); |
len += strlen(line->elements[i].indent); |
1236 |
} |
} |
1237 |
buf = malloc(len + 1); |
buf = malloc(len + 1); |
1238 |
*buf = '\0'; |
*buf = '\0'; |
1239 |
|
|
1240 |
for (i = 1; i < line->numElements; i++) { |
for (int i = 1; i < line->numElements; i++) { |
1241 |
strcat(buf, line->elements[i].item); |
strcat(buf, line->elements[i].item); |
1242 |
free(line->elements[i].item); |
free(line->elements[i].item); |
1243 |
|
|
1251 |
line->elements[line->numElements - 1].indent; |
line->elements[line->numElements - 1].indent; |
1252 |
line->elements[1].item = buf; |
line->elements[1].item = buf; |
1253 |
line->numElements = 2; |
line->numElements = 2; |
1254 |
|
} else if (line->type == LT_MENUENTRY && line->numElements > 3) { |
1255 |
|
/* let --remove-kernel="TITLE=what" work */ |
1256 |
|
len = 0; |
1257 |
|
char *extras; |
1258 |
|
char *title; |
1259 |
|
|
1260 |
|
for (int i = 1; i < line->numElements; i++) { |
1261 |
|
len += strlen(line->elements[i].item); |
1262 |
|
len += strlen(line->elements[i].indent); |
1263 |
|
} |
1264 |
|
buf = malloc(len + 1); |
1265 |
|
*buf = '\0'; |
1266 |
|
|
1267 |
|
/* allocate mem for extra flags. */ |
1268 |
|
extras = malloc(len + 1); |
1269 |
|
*extras = '\0'; |
1270 |
|
|
1271 |
|
/* get title. */ |
1272 |
|
for (int i = 0; i < line->numElements; i++) { |
1273 |
|
if (!strcmp(line->elements[i].item, "menuentry")) |
1274 |
|
continue; |
1275 |
|
if (isquote(*line->elements[i].item)) |
1276 |
|
title = line->elements[i].item + 1; |
1277 |
|
else |
1278 |
|
title = line->elements[i].item; |
1279 |
|
|
1280 |
|
len = strlen(title); |
1281 |
|
if (isquote(title[len-1])) { |
1282 |
|
strncat(buf, title,len-1); |
1283 |
|
break; |
1284 |
|
} else { |
1285 |
|
strcat(buf, title); |
1286 |
|
strcat(buf, line->elements[i].indent); |
1287 |
|
} |
1288 |
|
} |
1289 |
|
|
1290 |
|
/* get extras */ |
1291 |
|
int count = 0; |
1292 |
|
for (int i = 0; i < line->numElements; i++) { |
1293 |
|
if (count >= 2) { |
1294 |
|
strcat(extras, line->elements[i].item); |
1295 |
|
strcat(extras, line->elements[i].indent); |
1296 |
|
} |
1297 |
|
|
1298 |
|
if (!strcmp(line->elements[i].item, "menuentry")) |
1299 |
|
continue; |
1300 |
|
|
1301 |
|
/* count ' or ", there should be two in menuentry line. */ |
1302 |
|
if (isquote(*line->elements[i].item)) |
1303 |
|
count++; |
1304 |
|
|
1305 |
|
len = strlen(line->elements[i].item); |
1306 |
|
|
1307 |
|
if (isquote(line->elements[i].item[len -1])) |
1308 |
|
count++; |
1309 |
|
|
1310 |
|
/* ok, we get the final ' or ", others are extras. */ |
1311 |
|
} |
1312 |
|
line->elements[1].indent = |
1313 |
|
line->elements[line->numElements - 2].indent; |
1314 |
|
line->elements[1].item = buf; |
1315 |
|
line->elements[2].indent = |
1316 |
|
line->elements[line->numElements - 2].indent; |
1317 |
|
line->elements[2].item = extras; |
1318 |
|
line->numElements = 3; |
1319 |
} else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) { |
} else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) { |
1320 |
/* Strip off any " which may be present; they'll be put back |
/* Strip off any " which may be present; they'll be put back |
1321 |
on write. This is one of the few (the only?) places that grubby |
on write. This is one of the few (the only?) places that grubby |
1324 |
if (line->numElements >= 2) { |
if (line->numElements >= 2) { |
1325 |
int last, len; |
int last, len; |
1326 |
|
|
1327 |
if (*line->elements[1].item == '"') |
if (isquote(*line->elements[1].item)) |
1328 |
memcpy(line->elements[1].item, line->elements[1].item + 1, |
memmove(line->elements[1].item, line->elements[1].item + 1, |
1329 |
strlen(line->elements[1].item + 1) + 1); |
strlen(line->elements[1].item + 1) + 1); |
1330 |
|
|
1331 |
last = line->numElements - 1; |
last = line->numElements - 1; |
1332 |
len = strlen(line->elements[last].item) - 1; |
len = strlen(line->elements[last].item) - 1; |
1333 |
if (line->elements[last].item[len] == '"') |
if (isquote(line->elements[last].item[len])) |
1334 |
line->elements[last].item[len] = '\0'; |
line->elements[last].item[len] = '\0'; |
1335 |
} |
} |
1336 |
|
} |
1337 |
|
|
1338 |
|
if (line->type == LT_DEFAULT && line->numElements == 2) { |
1339 |
|
cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT; |
1340 |
|
defaultLine = line; |
1341 |
} |
} |
1342 |
|
|
1343 |
/* If we find a generic config option which should live at the |
/* If we find a generic config option which should live at the |
1357 |
movedLine = 1; |
movedLine = 1; |
1358 |
continue; /* without setting 'last' */ |
continue; /* without setting 'last' */ |
1359 |
} |
} |
1360 |
|
|
1361 |
/* If a second line of whitespace happens after a generic option |
/* If a second line of whitespace happens after a generic option |
1362 |
which was moved, drop it. */ |
which was moved, drop it. */ |
1363 |
if (movedLine && line->type == LT_WHITESPACE && last->type == LT_WHITESPACE) { |
if (movedLine && line->type == LT_WHITESPACE && last->type == LT_WHITESPACE) { |
1373 |
entry->lines = line; |
entry->lines = line; |
1374 |
else |
else |
1375 |
last->next = line; |
last->next = line; |
1376 |
|
dbgPrintf("readConfig added %s to %p\n", getKeyByType(line->type, cfi), entry); |
1377 |
|
|
1378 |
|
/* we could have seen this outside of an entry... if so, we |
1379 |
|
* ignore it like any other line we don't grok */ |
1380 |
|
if (line->type == LT_ENTRY_END && sawEntry) |
1381 |
|
sawEntry = 0; |
1382 |
} else { |
} else { |
1383 |
if (!cfg->theLines) |
if (!cfg->theLines) |
1384 |
cfg->theLines = line; |
cfg->theLines = line; |
1385 |
else { |
else |
1386 |
last->next = line; |
last->next = line; |
1387 |
} |
dbgPrintf("readConfig added %s to cfg\n", getKeyByType(line->type, cfi)); |
1388 |
} |
} |
1389 |
|
|
1390 |
last = line; |
last = line; |
1392 |
|
|
1393 |
free(incoming); |
free(incoming); |
1394 |
|
|
1395 |
|
dbgPrintf("defaultLine is %s\n", defaultLine ? "set" : "unset"); |
1396 |
if (defaultLine) { |
if (defaultLine) { |
1397 |
if (cfi->defaultSupportSaved && |
if (defaultLine->numElements > 2 && |
1398 |
|
cfi->defaultSupportSaved && |
1399 |
|
!strncmp(defaultLine->elements[2].item,"\"${saved_entry}\"", 16)) { |
1400 |
|
cfg->cfi->defaultIsSaved = 1; |
1401 |
|
cfg->defaultImage = DEFAULT_SAVED_GRUB2; |
1402 |
|
if (cfg->cfi->getEnv) { |
1403 |
|
char *defTitle = cfi->getEnv(cfg->cfi, "saved_entry"); |
1404 |
|
if (defTitle) { |
1405 |
|
int index = 0; |
1406 |
|
if (isnumber(defTitle)) { |
1407 |
|
index = atoi(defTitle); |
1408 |
|
entry = findEntryByIndex(cfg, index); |
1409 |
|
} else { |
1410 |
|
entry = findEntryByTitle(cfg, defTitle, &index); |
1411 |
|
} |
1412 |
|
if (entry) |
1413 |
|
cfg->defaultImage = index; |
1414 |
|
} |
1415 |
|
} |
1416 |
|
} else if (cfi->defaultIsVariable) { |
1417 |
|
char *value = defaultLine->elements[2].item; |
1418 |
|
while (*value && (*value == '"' || *value == '\'' || |
1419 |
|
*value == ' ' || *value == '\t')) |
1420 |
|
value++; |
1421 |
|
cfg->defaultImage = strtol(value, &end, 10); |
1422 |
|
while (*end && (*end == '"' || *end == '\'' || |
1423 |
|
*end == ' ' || *end == '\t')) |
1424 |
|
end++; |
1425 |
|
if (*end) cfg->defaultImage = -1; |
1426 |
|
} else if (cfi->defaultSupportSaved && |
1427 |
!strncmp(defaultLine->elements[1].item, "saved", 5)) { |
!strncmp(defaultLine->elements[1].item, "saved", 5)) { |
1428 |
cfg->defaultImage = DEFAULT_SAVED; |
cfg->defaultImage = DEFAULT_SAVED; |
1429 |
} else if (cfi->defaultIsIndex) { |
} else if (cfi->defaultIsIndex) { |
1430 |
cfg->defaultImage = strtol(defaultLine->elements[1].item, &end, 10); |
cfg->defaultImage = strtol(defaultLine->elements[1].item, &end, 10); |
1431 |
if (*end) cfg->defaultImage = -1; |
if (*end) cfg->defaultImage = -1; |
1432 |
} else if (defaultLine->numElements >= 2) { |
} else if (defaultLine->numElements >= 2) { |
1433 |
i = 0; |
int i = 0; |
1434 |
while ((entry = findEntryByIndex(cfg, i))) { |
while ((entry = findEntryByIndex(cfg, i))) { |
1435 |
for (line = entry->lines; line; line = line->next) |
for (line = entry->lines; line; line = line->next) |
1436 |
if (line->type == LT_TITLE) break; |
if (line->type == LT_TITLE) break; |
1444 |
extractTitle(line))) break; |
extractTitle(line))) break; |
1445 |
} |
} |
1446 |
i++; |
i++; |
1447 |
|
entry = NULL; |
1448 |
} |
} |
1449 |
|
|
1450 |
if (entry) cfg->defaultImage = i; |
if (entry){ |
1451 |
|
cfg->defaultImage = i; |
1452 |
|
}else{ |
1453 |
|
cfg->defaultImage = -1; |
1454 |
|
} |
1455 |
} |
} |
1456 |
|
} else if (cfg->cfi->defaultIsSaved && cfg->cfi->getEnv) { |
1457 |
|
char *defTitle = cfi->getEnv(cfg->cfi, "saved_entry"); |
1458 |
|
if (defTitle) { |
1459 |
|
int index = 0; |
1460 |
|
if (isnumber(defTitle)) { |
1461 |
|
index = atoi(defTitle); |
1462 |
|
entry = findEntryByIndex(cfg, index); |
1463 |
|
} else { |
1464 |
|
entry = findEntryByTitle(cfg, defTitle, &index); |
1465 |
|
} |
1466 |
|
if (entry) |
1467 |
|
cfg->defaultImage = index; |
1468 |
|
} |
1469 |
|
} else { |
1470 |
|
cfg->defaultImage = 0; |
1471 |
} |
} |
1472 |
|
|
1473 |
return cfg; |
return cfg; |
1483 |
|
|
1484 |
if (cfg->defaultImage == DEFAULT_SAVED) |
if (cfg->defaultImage == DEFAULT_SAVED) |
1485 |
fprintf(out, "%sdefault%ssaved\n", indent, separator); |
fprintf(out, "%sdefault%ssaved\n", indent, separator); |
1486 |
else if (cfg->defaultImage > -1) { |
else if (cfg->cfi->defaultIsSaved) { |
1487 |
|
fprintf(out, "%sset default=\"${saved_entry}\"\n", indent); |
1488 |
|
if (cfg->defaultImage >= 0 && cfg->cfi->setEnv) { |
1489 |
|
char *title; |
1490 |
|
entry = findEntryByIndex(cfg, cfg->defaultImage); |
1491 |
|
line = getLineByType(LT_MENUENTRY, entry->lines); |
1492 |
|
if (!line) |
1493 |
|
line = getLineByType(LT_TITLE, entry->lines); |
1494 |
|
if (line) { |
1495 |
|
title = extractTitle(line); |
1496 |
|
if (title) |
1497 |
|
cfg->cfi->setEnv(cfg->cfi, "saved_entry", title); |
1498 |
|
} |
1499 |
|
} |
1500 |
|
} else if (cfg->defaultImage > -1) { |
1501 |
if (cfg->cfi->defaultIsIndex) { |
if (cfg->cfi->defaultIsIndex) { |
1502 |
fprintf(out, "%sdefault%s%d\n", indent, separator, |
if (cfg->cfi->defaultIsVariable) { |
1503 |
cfg->defaultImage); |
fprintf(out, "%sset default=\"%d\"\n", indent, |
1504 |
|
cfg->defaultImage); |
1505 |
|
} else { |
1506 |
|
fprintf(out, "%sdefault%s%d\n", indent, separator, |
1507 |
|
cfg->defaultImage); |
1508 |
|
} |
1509 |
} else { |
} else { |
1510 |
int image = cfg->defaultImage; |
int image = cfg->defaultImage; |
1511 |
|
|
1522 |
|
|
1523 |
if (!entry) return; |
if (!entry) return; |
1524 |
|
|
1525 |
line = entry->lines; |
line = getLineByType(LT_TITLE, entry->lines); |
|
while (line && line->type != LT_TITLE) line = line->next; |
|
1526 |
|
|
1527 |
if (line && line->numElements >= 2) |
if (line && line->numElements >= 2) |
1528 |
fprintf(out, "%sdefault%s%s\n", indent, separator, |
fprintf(out, "%sdefault%s%s\n", indent, separator, |
1556 |
int rc; |
int rc; |
1557 |
|
|
1558 |
/* most likely the symlink is relative, so change our |
/* most likely the symlink is relative, so change our |
1559 |
directory to / */ |
directory to the dir of the symlink */ |
1560 |
rc = chdir("/"); |
char *dir = strdupa(outName); |
1561 |
|
rc = chdir(dirname(dir)); |
1562 |
do { |
do { |
1563 |
buf = alloca(len + 1); |
buf = alloca(len + 1); |
1564 |
rc = readlink(outName, buf, len); |
rc = readlink(basename(outName), buf, len); |
1565 |
if (rc == len) len += 256; |
if (rc == len) len += 256; |
1566 |
} while (rc == len); |
} while (rc == len); |
1567 |
|
|
1596 |
} |
} |
1597 |
|
|
1598 |
line = cfg->theLines; |
line = cfg->theLines; |
1599 |
|
struct keywordTypes *defaultKw = getKeywordByType(LT_DEFAULT, cfg->cfi); |
1600 |
while (line) { |
while (line) { |
1601 |
if (line->type == LT_DEFAULT) { |
if (line->type == LT_SET_VARIABLE && defaultKw && |
1602 |
|
line->numElements == 3 && |
1603 |
|
!strcmp(line->elements[1].item, defaultKw->key) && |
1604 |
|
!is_special_grub2_variable(line->elements[2].item)) { |
1605 |
|
writeDefault(out, line->indent, line->elements[0].indent, cfg); |
1606 |
|
needs &= ~MAIN_DEFAULT; |
1607 |
|
} else if (line->type == LT_DEFAULT) { |
1608 |
writeDefault(out, line->indent, line->elements[0].indent, cfg); |
writeDefault(out, line->indent, line->elements[0].indent, cfg); |
1609 |
needs &= ~MAIN_DEFAULT; |
needs &= ~MAIN_DEFAULT; |
1610 |
} else if (line->type == LT_FALLBACK) { |
} else if (line->type == LT_FALLBACK) { |
1672 |
return i; |
return i; |
1673 |
} |
} |
1674 |
|
|
1675 |
int suitableImage(struct singleEntry * entry, const char * bootPrefix, |
static char *findDiskForRoot() |
1676 |
int skipRemoved, int flags) { |
{ |
1677 |
struct singleLine * line; |
int fd; |
1678 |
char * fullName; |
char buf[65536]; |
1679 |
int i; |
char *devname; |
1680 |
struct stat sb, sb2; |
char *chptr; |
1681 |
char * dev; |
int rc; |
|
char * end; |
|
|
char * rootspec; |
|
1682 |
|
|
1683 |
line = entry->lines; |
if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) { |
1684 |
while (line && line->type != LT_KERNEL) line = line->next; |
fprintf(stderr, "grubby: failed to open %s: %s\n", |
1685 |
|
_PATH_MOUNTED, strerror(errno)); |
1686 |
if (!line) return 0; |
return NULL; |
1687 |
if (skipRemoved && entry->skip) return 0; |
} |
|
if (line->numElements < 2) return 0; |
|
1688 |
|
|
1689 |
if (flags & GRUBBY_BADIMAGE_OKAY) return 1; |
rc = read(fd, buf, sizeof(buf) - 1); |
1690 |
|
if (rc <= 0) { |
1691 |
|
fprintf(stderr, "grubby: failed to read %s: %s\n", |
1692 |
|
_PATH_MOUNTED, strerror(errno)); |
1693 |
|
close(fd); |
1694 |
|
return NULL; |
1695 |
|
} |
1696 |
|
close(fd); |
1697 |
|
buf[rc] = '\0'; |
1698 |
|
chptr = buf; |
1699 |
|
|
1700 |
|
char *foundanswer = NULL; |
1701 |
|
|
1702 |
|
while (chptr && chptr != buf+rc) { |
1703 |
|
devname = chptr; |
1704 |
|
|
1705 |
|
/* |
1706 |
|
* The first column of a mtab entry is the device, but if the entry is a |
1707 |
|
* special device it won't start with /, so move on to the next line. |
1708 |
|
*/ |
1709 |
|
if (*devname != '/') { |
1710 |
|
chptr = strchr(chptr, '\n'); |
1711 |
|
if (chptr) |
1712 |
|
chptr++; |
1713 |
|
continue; |
1714 |
|
} |
1715 |
|
|
1716 |
|
/* Seek to the next space */ |
1717 |
|
chptr = strchr(chptr, ' '); |
1718 |
|
if (!chptr) { |
1719 |
|
fprintf(stderr, "grubby: error parsing %s: %s\n", |
1720 |
|
_PATH_MOUNTED, strerror(errno)); |
1721 |
|
return NULL; |
1722 |
|
} |
1723 |
|
|
1724 |
|
/* |
1725 |
|
* The second column of a mtab entry is the mount point, we are looking |
1726 |
|
* for '/' obviously. |
1727 |
|
*/ |
1728 |
|
if (*(++chptr) == '/' && *(++chptr) == ' ') { |
1729 |
|
/* remember the last / entry in mtab */ |
1730 |
|
foundanswer = devname; |
1731 |
|
} |
1732 |
|
|
1733 |
|
/* Next line */ |
1734 |
|
chptr = strchr(chptr, '\n'); |
1735 |
|
if (chptr) |
1736 |
|
chptr++; |
1737 |
|
} |
1738 |
|
|
1739 |
|
/* Return the last / entry found */ |
1740 |
|
if (foundanswer) { |
1741 |
|
chptr = strchr(foundanswer, ' '); |
1742 |
|
*chptr = '\0'; |
1743 |
|
return strdup(foundanswer); |
1744 |
|
} |
1745 |
|
|
1746 |
|
return NULL; |
1747 |
|
} |
1748 |
|
|
1749 |
|
void printEntry(struct singleEntry * entry, FILE *f) { |
1750 |
|
int i; |
1751 |
|
struct singleLine * line; |
1752 |
|
|
1753 |
|
for (line = entry->lines; line; line = line->next) { |
1754 |
|
log_message(f, "DBG: %s", line->indent); |
1755 |
|
for (i = 0; i < line->numElements; i++) { |
1756 |
|
/* Need to handle this, because we strip the quotes from |
1757 |
|
* menuentry when read it. */ |
1758 |
|
if (line->type == LT_MENUENTRY && i == 1) { |
1759 |
|
if(!isquote(*line->elements[i].item)) |
1760 |
|
log_message(f, "\'%s\'", line->elements[i].item); |
1761 |
|
else |
1762 |
|
log_message(f, "%s", line->elements[i].item); |
1763 |
|
log_message(f, "%s", line->elements[i].indent); |
1764 |
|
|
1765 |
|
continue; |
1766 |
|
} |
1767 |
|
|
1768 |
|
log_message(f, "%s%s", |
1769 |
|
line->elements[i].item, line->elements[i].indent); |
1770 |
|
} |
1771 |
|
log_message(f, "\n"); |
1772 |
|
} |
1773 |
|
} |
1774 |
|
|
1775 |
|
void notSuitablePrintf(struct singleEntry * entry, int okay, const char *fmt, ...) |
1776 |
|
{ |
1777 |
|
static int once; |
1778 |
|
va_list argp, argq; |
1779 |
|
|
1780 |
|
va_start(argp, fmt); |
1781 |
|
|
1782 |
|
va_copy(argq, argp); |
1783 |
|
if (!once) { |
1784 |
|
log_time(NULL); |
1785 |
|
log_message(NULL, "command line: %s\n", saved_command_line); |
1786 |
|
} |
1787 |
|
log_message(NULL, "DBG: Image entry %s: ", okay ? "succeeded" : "failed"); |
1788 |
|
log_vmessage(NULL, fmt, argq); |
1789 |
|
|
1790 |
|
printEntry(entry, NULL); |
1791 |
|
va_end(argq); |
1792 |
|
|
1793 |
|
if (!debug) { |
1794 |
|
once = 1; |
1795 |
|
va_end(argp); |
1796 |
|
return; |
1797 |
|
} |
1798 |
|
|
1799 |
|
if (okay) { |
1800 |
|
va_end(argp); |
1801 |
|
return; |
1802 |
|
} |
1803 |
|
|
1804 |
|
if (!once) |
1805 |
|
log_message(stderr, "DBG: command line: %s\n", saved_command_line); |
1806 |
|
once = 1; |
1807 |
|
fprintf(stderr, "DBG: Image entry failed: "); |
1808 |
|
vfprintf(stderr, fmt, argp); |
1809 |
|
printEntry(entry, stderr); |
1810 |
|
va_end(argp); |
1811 |
|
} |
1812 |
|
|
1813 |
|
#define beginswith(s, c) ((s) && (s)[0] == (c)) |
1814 |
|
|
1815 |
|
static int endswith(const char *s, char c) |
1816 |
|
{ |
1817 |
|
int slen; |
1818 |
|
|
1819 |
|
if (!s || !s[0]) |
1820 |
|
return 0; |
1821 |
|
slen = strlen(s) - 1; |
1822 |
|
|
1823 |
|
return s[slen] == c; |
1824 |
|
} |
1825 |
|
|
1826 |
|
int suitableImage(struct singleEntry * entry, const char * bootPrefix, |
1827 |
|
int skipRemoved, int flags) { |
1828 |
|
struct singleLine * line; |
1829 |
|
char * fullName; |
1830 |
|
int i; |
1831 |
|
char * dev; |
1832 |
|
char * rootspec; |
1833 |
|
char * rootdev; |
1834 |
|
|
1835 |
|
if (skipRemoved && entry->skip) { |
1836 |
|
notSuitablePrintf(entry, 0, "marked to skip\n"); |
1837 |
|
return 0; |
1838 |
|
} |
1839 |
|
|
1840 |
|
line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines); |
1841 |
|
if (!line) { |
1842 |
|
notSuitablePrintf(entry, 0, "no line found\n"); |
1843 |
|
return 0; |
1844 |
|
} |
1845 |
|
if (line->numElements < 2) { |
1846 |
|
notSuitablePrintf(entry, 0, "line has only %d elements\n", |
1847 |
|
line->numElements); |
1848 |
|
return 0; |
1849 |
|
} |
1850 |
|
|
1851 |
|
if (flags & GRUBBY_BADIMAGE_OKAY) { |
1852 |
|
notSuitablePrintf(entry, 1, "\n"); |
1853 |
|
return 1; |
1854 |
|
} |
1855 |
|
|
1856 |
fullName = alloca(strlen(bootPrefix) + |
fullName = alloca(strlen(bootPrefix) + |
1857 |
strlen(line->elements[1].item) + 1); |
strlen(line->elements[1].item) + 1); |
1858 |
rootspec = getRootSpecifier(line->elements[1].item); |
rootspec = getRootSpecifier(line->elements[1].item); |
1859 |
sprintf(fullName, "%s%s", bootPrefix, |
int rootspec_offset = rootspec ? strlen(rootspec) : 0; |
1860 |
line->elements[1].item + ((rootspec != NULL) ? |
int hasslash = endswith(bootPrefix, '/') || |
1861 |
strlen(rootspec) : 0)); |
beginswith(line->elements[1].item + rootspec_offset, '/'); |
1862 |
if (access(fullName, R_OK)) return 0; |
sprintf(fullName, "%s%s%s", bootPrefix, hasslash ? "" : "/", |
1863 |
|
line->elements[1].item + rootspec_offset); |
1864 |
|
if (access(fullName, R_OK)) { |
1865 |
|
notSuitablePrintf(entry, 0, "access to %s failed\n", fullName); |
1866 |
|
return 0; |
1867 |
|
} |
1868 |
for (i = 2; i < line->numElements; i++) |
for (i = 2; i < line->numElements; i++) |
1869 |
if (!strncasecmp(line->elements[i].item, "root=", 5)) break; |
if (!strncasecmp(line->elements[i].item, "root=", 5)) break; |
1870 |
if (i < line->numElements) { |
if (i < line->numElements) { |
1871 |
dev = line->elements[i].item + 5; |
dev = line->elements[i].item + 5; |
1872 |
} else { |
} else { |
1873 |
/* look for a lilo style LT_ROOT line */ |
/* look for a lilo style LT_ROOT line */ |
1874 |
line = entry->lines; |
line = getLineByType(LT_ROOT, entry->lines); |
|
while (line && line->type != LT_ROOT) line = line->next; |
|
1875 |
|
|
1876 |
if (line && line->numElements >= 2) { |
if (line && line->numElements >= 2) { |
1877 |
dev = line->elements[1].item; |
dev = line->elements[1].item; |
1878 |
} else { |
} else { |
1879 |
int type; |
/* didn't succeed in finding a LT_ROOT, let's try LT_KERNELARGS. |
1880 |
/* didn't succeed in finding a LT_ROOT, let's try LT_KERNELARGS */ |
* grub+multiboot uses LT_MBMODULE for the args, so check that too. |
1881 |
line = entry->lines; |
*/ |
1882 |
|
line = getLineByType(LT_KERNELARGS|LT_MBMODULE, entry->lines); |
|
type = ((entry->multiboot) ? LT_MBMODULE : LT_KERNELARGS); |
|
|
|
|
|
while (line && line->type != type) line = line->next; |
|
1883 |
|
|
1884 |
/* failed to find one */ |
/* failed to find one */ |
1885 |
if (!line) return 0; |
if (!line) { |
1886 |
|
notSuitablePrintf(entry, 0, "no line found\n"); |
1887 |
|
return 0; |
1888 |
|
} |
1889 |
|
|
1890 |
for (i = 1; i < line->numElements; i++) |
for (i = 1; i < line->numElements; i++) |
1891 |
if (!strncasecmp(line->elements[i].item, "root=", 5)) break; |
if (!strncasecmp(line->elements[i].item, "root=", 5)) break; |
1892 |
if (i < line->numElements) |
if (i < line->numElements) |
1893 |
dev = line->elements[i].item + 5; |
dev = line->elements[i].item + 5; |
1894 |
else { |
else { |
1895 |
|
notSuitablePrintf(entry, 0, "no root= entry found\n"); |
1896 |
/* it failed too... can't find root= */ |
/* it failed too... can't find root= */ |
1897 |
return 0; |
return 0; |
1898 |
} |
} |
1899 |
} |
} |
1900 |
} |
} |
1901 |
|
|
1902 |
if (!strncmp(dev, "LABEL=", 6)) { |
dev = getpathbyspec(dev); |
1903 |
dev += 6; |
if (!getpathbyspec(dev)) { |
1904 |
|
notSuitablePrintf(entry, 0, "can't find blkid entry for %s\n", dev); |
1905 |
/* check which device has this label */ |
return 0; |
1906 |
dev = get_spec_by_volume_label(dev, &i, &i); |
} else |
1907 |
if (!dev) return 0; |
dev = getpathbyspec(dev); |
1908 |
|
|
1909 |
|
rootdev = findDiskForRoot(); |
1910 |
|
if (!rootdev) { |
1911 |
|
notSuitablePrintf(entry, 0, "can't find root device\n"); |
1912 |
|
return 0; |
1913 |
} |
} |
1914 |
|
|
1915 |
if (*dev == '/') { |
if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) { |
1916 |
if (stat(dev, &sb)) |
notSuitablePrintf(entry, 0, "uuid missing: rootdev %s, dev %s\n", |
1917 |
return 0; |
getuuidbydev(rootdev), getuuidbydev(dev)); |
1918 |
} else { |
free(rootdev); |
1919 |
sb.st_rdev = strtol(dev, &end, 16); |
return 0; |
1920 |
if (*end) return 0; |
} |
1921 |
|
|
1922 |
|
if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) { |
1923 |
|
notSuitablePrintf(entry, 0, "uuid mismatch: rootdev %s, dev %s\n", |
1924 |
|
getuuidbydev(rootdev), getuuidbydev(dev)); |
1925 |
|
free(rootdev); |
1926 |
|
return 0; |
1927 |
} |
} |
|
stat("/", &sb2); |
|
1928 |
|
|
1929 |
if (sb.st_rdev != sb2.st_dev) return 0; |
free(rootdev); |
1930 |
|
notSuitablePrintf(entry, 1, "\n"); |
1931 |
|
|
1932 |
return 1; |
return 1; |
1933 |
} |
} |
1961 |
} |
} |
1962 |
|
|
1963 |
indexVars[i + 1] = -1; |
indexVars[i + 1] = -1; |
1964 |
|
|
1965 |
i = 0; |
i = 0; |
1966 |
if (index) { |
if (index) { |
1967 |
while (i < *index) i++; |
while (i < *index) { |
1968 |
if (indexVars[i] == -1) return NULL; |
i++; |
1969 |
|
if (indexVars[i] == -1) return NULL; |
1970 |
|
} |
1971 |
} |
} |
1972 |
|
|
1973 |
entry = findEntryByIndex(config, indexVars[i]); |
entry = findEntryByIndex(config, indexVars[i]); |
1974 |
if (!entry) return NULL; |
if (!entry) return NULL; |
1975 |
|
|
1976 |
line = entry->lines; |
line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines); |
|
while (line && line->type != LT_KERNEL) |
|
|
line = line->next; |
|
|
|
|
1977 |
if (!line) return NULL; |
if (!line) return NULL; |
1978 |
|
|
1979 |
if (index) *index = indexVars[i]; |
if (index) *index = indexVars[i]; |
2011 |
|
|
2012 |
if (!strncmp(kernel, "TITLE=", 6)) { |
if (!strncmp(kernel, "TITLE=", 6)) { |
2013 |
prefix = ""; |
prefix = ""; |
2014 |
checkType = LT_TITLE; |
checkType = LT_TITLE|LT_MENUENTRY; |
2015 |
kernel += 6; |
kernel += 6; |
2016 |
} |
} |
2017 |
|
|
2018 |
while ((entry = findEntryByIndex(config, i))) { |
for (entry = findEntryByIndex(config, i); entry; entry = entry->next, i++) { |
2019 |
line = entry->lines; |
if (entry->skip) continue; |
|
while (line && line->type != checkType) line=line->next; |
|
2020 |
|
|
2021 |
|
dbgPrintf("findEntryByPath looking for %d %s in %p\n", checkType, kernel, entry); |
2022 |
|
|
2023 |
if (line && line->numElements >= 2 && !entry->skip) { |
/* check all the lines matching checkType */ |
2024 |
rootspec = getRootSpecifier(line->elements[1].item); |
for (line = entry->lines; line; line = line->next) { |
2025 |
if (!strcmp(line->elements[1].item + |
enum lineType_e ct = checkType; |
2026 |
((rootspec != NULL) ? strlen(rootspec) : 0), |
if (entry->multiboot && checkType == LT_KERNEL) |
2027 |
kernel + strlen(prefix))) |
ct = LT_KERNEL|LT_KERNEL_EFI|LT_MBMODULE|LT_HYPER|LT_KERNEL_16; |
2028 |
break; |
else if (checkType & LT_KERNEL) |
2029 |
} |
ct = checkType | LT_KERNEL_EFI | LT_KERNEL_16; |
2030 |
|
line = getLineByType(ct, line); |
2031 |
/* have to check multiboot lines too */ |
if (!line) |
2032 |
if (entry->multiboot) { |
break; /* not found in this entry */ |
2033 |
while (line && line->type != LT_MBMODULE) line = line->next; |
|
2034 |
if (line && line->numElements >= 2 && !entry->skip) { |
if (line && line->type != LT_MENUENTRY && |
2035 |
rootspec = getRootSpecifier(line->elements[1].item); |
line->numElements >= 2) { |
2036 |
if (!strcmp(line->elements[1].item + |
rootspec = getRootSpecifier(line->elements[1].item); |
2037 |
((rootspec != NULL) ? strlen(rootspec) : 0), |
if (!strcmp(line->elements[1].item + |
2038 |
kernel + strlen(prefix))) |
((rootspec != NULL) ? strlen(rootspec) : 0), |
2039 |
break; |
kernel + strlen(prefix))) |
2040 |
} |
break; |
2041 |
} |
} |
2042 |
|
if(line->type == LT_MENUENTRY && |
2043 |
|
!strcmp(line->elements[1].item, kernel)) |
2044 |
|
break; |
2045 |
|
} |
2046 |
|
|
2047 |
i++; |
/* make sure this entry has a kernel identifier; this skips |
2048 |
|
* non-Linux boot entries (could find netbsd etc, though, which is |
2049 |
|
* unfortunate) |
2050 |
|
*/ |
2051 |
|
if (line && getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines)) |
2052 |
|
break; /* found 'im! */ |
2053 |
} |
} |
2054 |
|
|
2055 |
if (index) *index = i; |
if (index) *index = i; |
2056 |
} |
} |
2057 |
|
|
2058 |
if (!entry) return NULL; |
return entry; |
2059 |
|
} |
2060 |
|
|
2061 |
|
struct singleEntry * findEntryByTitle(struct grubConfig * cfg, char *title, |
2062 |
|
int * index) { |
2063 |
|
struct singleEntry * entry; |
2064 |
|
struct singleLine * line; |
2065 |
|
int i; |
2066 |
|
char * newtitle; |
2067 |
|
|
2068 |
/* make sure this entry has a kernel identifier; this skips non-Linux |
for (i = 0, entry = cfg->entries; entry; entry = entry->next, i++) { |
2069 |
boot entries (could find netbsd etc, though, which is unfortunate) */ |
if (index && i < *index) |
2070 |
line = entry->lines; |
continue; |
2071 |
while (line && line->type != LT_KERNEL) line = line->next; |
line = getLineByType(LT_TITLE, entry->lines); |
2072 |
if (!line) { |
if (!line) |
2073 |
if (!index) index = &i; |
line = getLineByType(LT_MENUENTRY, entry->lines); |
2074 |
(*index)++; |
if (!line) |
2075 |
return findEntryByPath(config, kernel, prefix, index); |
continue; |
2076 |
|
newtitle = grub2ExtractTitle(line); |
2077 |
|
if (!newtitle) |
2078 |
|
continue; |
2079 |
|
if (!strcmp(title, newtitle)) |
2080 |
|
break; |
2081 |
} |
} |
2082 |
|
|
2083 |
|
if (!entry) |
2084 |
|
return NULL; |
2085 |
|
|
2086 |
|
if (index) |
2087 |
|
*index = i; |
2088 |
return entry; |
return entry; |
2089 |
} |
} |
2090 |
|
|
2110 |
struct singleEntry * entry, * entry2; |
struct singleEntry * entry, * entry2; |
2111 |
int index; |
int index; |
2112 |
|
|
2113 |
if (cfg->defaultImage > -1) { |
if (cfg->cfi->defaultIsSaved) { |
2114 |
|
if (cfg->cfi->getEnv) { |
2115 |
|
char *defTitle = cfg->cfi->getEnv(cfg->cfi, "saved_entry"); |
2116 |
|
if (defTitle) { |
2117 |
|
int index = 0; |
2118 |
|
if (isnumber(defTitle)) { |
2119 |
|
index = atoi(defTitle); |
2120 |
|
entry = findEntryByIndex(cfg, index); |
2121 |
|
} else { |
2122 |
|
entry = findEntryByTitle(cfg, defTitle, &index); |
2123 |
|
} |
2124 |
|
if (entry && suitableImage(entry, prefix, skipRemoved, flags)) { |
2125 |
|
cfg->defaultImage = index; |
2126 |
|
if (indexPtr) |
2127 |
|
*indexPtr = index; |
2128 |
|
return entry; |
2129 |
|
} |
2130 |
|
} |
2131 |
|
} |
2132 |
|
} else if (cfg->defaultImage > -1) { |
2133 |
entry = findEntryByIndex(cfg, cfg->defaultImage); |
entry = findEntryByIndex(cfg, cfg->defaultImage); |
2134 |
if (entry && suitableImage(entry, prefix, skipRemoved, flags)) { |
if (entry && suitableImage(entry, prefix, skipRemoved, flags)) { |
2135 |
if (indexPtr) *indexPtr = cfg->defaultImage; |
if (indexPtr) *indexPtr = cfg->defaultImage; |
2182 |
const char * prefix) { |
const char * prefix) { |
2183 |
struct singleEntry * entry; |
struct singleEntry * entry; |
2184 |
|
|
2185 |
if (!image) return; |
if (!image) |
2186 |
|
return; |
2187 |
|
|
2188 |
|
/* check and see if we're removing the default image */ |
2189 |
|
if (isdigit(*image)) { |
2190 |
|
entry = findEntryByPath(cfg, image, prefix, NULL); |
2191 |
|
if(entry) |
2192 |
|
entry->skip = 1; |
2193 |
|
return; |
2194 |
|
} |
2195 |
|
|
2196 |
while ((entry = findEntryByPath(cfg, image, prefix, NULL))) |
while ((entry = findEntryByPath(cfg, image, prefix, NULL))) |
2197 |
entry->skip = 1; |
entry->skip = 1; |
2199 |
|
|
2200 |
void setDefaultImage(struct grubConfig * config, int hasNew, |
void setDefaultImage(struct grubConfig * config, int hasNew, |
2201 |
const char * defaultKernelPath, int newIsDefault, |
const char * defaultKernelPath, int newIsDefault, |
2202 |
const char * prefix, int flags) { |
const char * prefix, int flags, int index) { |
2203 |
struct singleEntry * entry, * entry2, * newDefault; |
struct singleEntry * entry, * entry2, * newDefault; |
2204 |
int i, j; |
int i, j; |
2205 |
|
|
2206 |
if (newIsDefault) { |
if (newIsDefault) { |
2207 |
config->defaultImage = 0; |
config->defaultImage = 0; |
2208 |
return; |
return; |
2209 |
|
} else if ((index >= 0) && config->cfi->defaultIsIndex) { |
2210 |
|
if (findEntryByIndex(config, index)) |
2211 |
|
config->defaultImage = index; |
2212 |
|
else |
2213 |
|
config->defaultImage = -1; |
2214 |
|
return; |
2215 |
} else if (defaultKernelPath) { |
} else if (defaultKernelPath) { |
2216 |
i = 0; |
i = 0; |
2217 |
if (findEntryByPath(config, defaultKernelPath, prefix, &i)) { |
if (findEntryByPath(config, defaultKernelPath, prefix, &i)) { |
2224 |
|
|
2225 |
/* defaultImage now points to what we'd like to use, but before any order |
/* defaultImage now points to what we'd like to use, but before any order |
2226 |
changes */ |
changes */ |
2227 |
if (config->defaultImage == DEFAULT_SAVED) |
if ((config->defaultImage == DEFAULT_SAVED) || |
2228 |
|
(config->defaultImage == DEFAULT_SAVED_GRUB2)) |
2229 |
/* default is set to saved, we don't want to change it */ |
/* default is set to saved, we don't want to change it */ |
2230 |
return; |
return; |
2231 |
|
|
2283 |
struct singleLine * line; |
struct singleLine * line; |
2284 |
char * root = NULL; |
char * root = NULL; |
2285 |
int i; |
int i; |
2286 |
|
int j; |
|
line = entry->lines; |
|
|
while (line && line->type != LT_KERNEL) line = line->next; |
|
2287 |
|
|
2288 |
printf("index=%d\n", index); |
printf("index=%d\n", index); |
2289 |
|
|
2290 |
printf("kernel=%s\n", line->elements[1].item); |
line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines); |
2291 |
|
if (!line) { |
2292 |
|
printf("non linux entry\n"); |
2293 |
|
return; |
2294 |
|
} |
2295 |
|
|
2296 |
|
if (!strncmp(prefix, line->elements[1].item, strlen(prefix))) |
2297 |
|
printf("kernel=%s\n", line->elements[1].item); |
2298 |
|
else |
2299 |
|
printf("kernel=%s%s\n", prefix, line->elements[1].item); |
2300 |
|
|
2301 |
if (line->numElements >= 3) { |
if (line->numElements >= 3) { |
2302 |
printf("args=\""); |
printf("args=\""); |
2313 |
} |
} |
2314 |
printf("\"\n"); |
printf("\"\n"); |
2315 |
} else { |
} else { |
2316 |
line = entry->lines; |
line = getLineByType(LT_KERNELARGS, entry->lines); |
|
while (line && line->type != LT_KERNELARGS) line=line->next; |
|
|
|
|
2317 |
if (line) { |
if (line) { |
2318 |
char * s; |
char * s; |
2319 |
|
|
2337 |
} |
} |
2338 |
|
|
2339 |
if (!root) { |
if (!root) { |
2340 |
line = entry->lines; |
line = getLineByType(LT_ROOT, entry->lines); |
|
while (line && line->type != LT_ROOT) line = line->next; |
|
|
|
|
2341 |
if (line && line->numElements >= 2) |
if (line && line->numElements >= 2) |
2342 |
root=line->elements[1].item; |
root=line->elements[1].item; |
2343 |
} |
} |
2352 |
printf("root=%s\n", s); |
printf("root=%s\n", s); |
2353 |
} |
} |
2354 |
|
|
2355 |
line = entry->lines; |
line = getLineByType(LT_INITRD|LT_INITRD_EFI|LT_INITRD_16, entry->lines); |
|
while (line && line->type != LT_INITRD) line = line->next; |
|
2356 |
|
|
2357 |
if (line && line->numElements >= 2) { |
if (line && line->numElements >= 2) { |
2358 |
printf("initrd=%s", prefix); |
if (!strncmp(prefix, line->elements[1].item, strlen(prefix))) |
2359 |
|
printf("initrd="); |
2360 |
|
else |
2361 |
|
printf("initrd=%s", prefix); |
2362 |
|
|
2363 |
for (i = 1; i < line->numElements; i++) |
for (i = 1; i < line->numElements; i++) |
2364 |
printf("%s%s", line->elements[i].item, line->elements[i].indent); |
printf("%s%s", line->elements[i].item, line->elements[i].indent); |
2365 |
printf("\n"); |
printf("\n"); |
2366 |
} |
} |
2367 |
|
|
2368 |
|
line = getLineByType(LT_TITLE, entry->lines); |
2369 |
|
if (line) { |
2370 |
|
printf("title=%s\n", line->elements[1].item); |
2371 |
|
} else { |
2372 |
|
char * title; |
2373 |
|
line = getLineByType(LT_MENUENTRY, entry->lines); |
2374 |
|
if (line) { |
2375 |
|
title = grub2ExtractTitle(line); |
2376 |
|
if (title) |
2377 |
|
printf("title=%s\n", title); |
2378 |
|
} |
2379 |
|
} |
2380 |
|
|
2381 |
|
for (j = 0, line = entry->lines; line; line = line->next) { |
2382 |
|
if ((line->type & LT_MBMODULE) && line->numElements >= 2) { |
2383 |
|
if (!strncmp(prefix, line->elements[1].item, strlen(prefix))) |
2384 |
|
printf("mbmodule%d=", j); |
2385 |
|
else |
2386 |
|
printf("mbmodule%d=%s", j, prefix); |
2387 |
|
|
2388 |
|
for (i = 1; i < line->numElements; i++) |
2389 |
|
printf("%s%s", line->elements[i].item, line->elements[i].indent); |
2390 |
|
printf("\n"); |
2391 |
|
j++; |
2392 |
|
} |
2393 |
|
} |
2394 |
|
} |
2395 |
|
|
2396 |
|
int isSuseSystem(void) { |
2397 |
|
const char * path; |
2398 |
|
const static char default_path[] = "/etc/SuSE-release"; |
2399 |
|
|
2400 |
|
if ((path = getenv("GRUBBY_SUSE_RELEASE")) == NULL) |
2401 |
|
path = default_path; |
2402 |
|
|
2403 |
|
if (!access(path, R_OK)) |
2404 |
|
return 1; |
2405 |
|
return 0; |
2406 |
|
} |
2407 |
|
|
2408 |
|
int isSuseGrubConf(const char * path) { |
2409 |
|
FILE * grubConf; |
2410 |
|
char * line = NULL; |
2411 |
|
size_t len = 0, res = 0; |
2412 |
|
|
2413 |
|
grubConf = fopen(path, "r"); |
2414 |
|
if (!grubConf) { |
2415 |
|
dbgPrintf("Could not open SuSE configuration file '%s'\n", path); |
2416 |
|
return 0; |
2417 |
|
} |
2418 |
|
|
2419 |
|
while ((res = getline(&line, &len, grubConf)) != -1) { |
2420 |
|
if (!strncmp(line, "setup", 5)) { |
2421 |
|
fclose(grubConf); |
2422 |
|
free(line); |
2423 |
|
return 1; |
2424 |
|
} |
2425 |
|
} |
2426 |
|
|
2427 |
|
dbgPrintf("SuSE configuration file '%s' does not appear to be valid\n", |
2428 |
|
path); |
2429 |
|
|
2430 |
|
fclose(grubConf); |
2431 |
|
free(line); |
2432 |
|
return 0; |
2433 |
|
} |
2434 |
|
|
2435 |
|
int suseGrubConfGetLba(const char * path, int * lbaPtr) { |
2436 |
|
FILE * grubConf; |
2437 |
|
char * line = NULL; |
2438 |
|
size_t res = 0, len = 0; |
2439 |
|
|
2440 |
|
if (!path) return 1; |
2441 |
|
if (!lbaPtr) return 1; |
2442 |
|
|
2443 |
|
grubConf = fopen(path, "r"); |
2444 |
|
if (!grubConf) return 1; |
2445 |
|
|
2446 |
|
while ((res = getline(&line, &len, grubConf)) != -1) { |
2447 |
|
if (line[res - 1] == '\n') |
2448 |
|
line[res - 1] = '\0'; |
2449 |
|
else if (len > res) |
2450 |
|
line[res] = '\0'; |
2451 |
|
else { |
2452 |
|
line = realloc(line, res + 1); |
2453 |
|
line[res] = '\0'; |
2454 |
|
} |
2455 |
|
|
2456 |
|
if (!strncmp(line, "setup", 5)) { |
2457 |
|
if (strstr(line, "--force-lba")) { |
2458 |
|
*lbaPtr = 1; |
2459 |
|
} else { |
2460 |
|
*lbaPtr = 0; |
2461 |
|
} |
2462 |
|
dbgPrintf("lba: %i\n", *lbaPtr); |
2463 |
|
break; |
2464 |
|
} |
2465 |
|
} |
2466 |
|
|
2467 |
|
free(line); |
2468 |
|
fclose(grubConf); |
2469 |
|
return 0; |
2470 |
|
} |
2471 |
|
|
2472 |
|
int suseGrubConfGetInstallDevice(const char * path, char ** devicePtr) { |
2473 |
|
FILE * grubConf; |
2474 |
|
char * line = NULL; |
2475 |
|
size_t res = 0, len = 0; |
2476 |
|
char * lastParamPtr = NULL; |
2477 |
|
char * secLastParamPtr = NULL; |
2478 |
|
char installDeviceNumber = '\0'; |
2479 |
|
char * bounds = NULL; |
2480 |
|
|
2481 |
|
if (!path) return 1; |
2482 |
|
if (!devicePtr) return 1; |
2483 |
|
|
2484 |
|
grubConf = fopen(path, "r"); |
2485 |
|
if (!grubConf) return 1; |
2486 |
|
|
2487 |
|
while ((res = getline(&line, &len, grubConf)) != -1) { |
2488 |
|
if (strncmp(line, "setup", 5)) |
2489 |
|
continue; |
2490 |
|
|
2491 |
|
if (line[res - 1] == '\n') |
2492 |
|
line[res - 1] = '\0'; |
2493 |
|
else if (len > res) |
2494 |
|
line[res] = '\0'; |
2495 |
|
else { |
2496 |
|
line = realloc(line, res + 1); |
2497 |
|
line[res] = '\0'; |
2498 |
|
} |
2499 |
|
|
2500 |
|
lastParamPtr = bounds = line + res; |
2501 |
|
|
2502 |
|
/* Last parameter in grub may be an optional IMAGE_DEVICE */ |
2503 |
|
while (!isspace(*lastParamPtr)) |
2504 |
|
lastParamPtr--; |
2505 |
|
lastParamPtr++; |
2506 |
|
|
2507 |
|
secLastParamPtr = lastParamPtr - 2; |
2508 |
|
dbgPrintf("lastParamPtr: %s\n", lastParamPtr); |
2509 |
|
|
2510 |
|
if (lastParamPtr + 3 > bounds) { |
2511 |
|
dbgPrintf("lastParamPtr going over boundary"); |
2512 |
|
fclose(grubConf); |
2513 |
|
free(line); |
2514 |
|
return 1; |
2515 |
|
} |
2516 |
|
if (!strncmp(lastParamPtr, "(hd", 3)) |
2517 |
|
lastParamPtr += 3; |
2518 |
|
dbgPrintf("lastParamPtr: %c\n", *lastParamPtr); |
2519 |
|
|
2520 |
|
/* |
2521 |
|
* Second last parameter will decide wether last parameter is |
2522 |
|
* an IMAGE_DEVICE or INSTALL_DEVICE |
2523 |
|
*/ |
2524 |
|
while (!isspace(*secLastParamPtr)) |
2525 |
|
secLastParamPtr--; |
2526 |
|
secLastParamPtr++; |
2527 |
|
|
2528 |
|
if (secLastParamPtr + 3 > bounds) { |
2529 |
|
dbgPrintf("secLastParamPtr going over boundary"); |
2530 |
|
fclose(grubConf); |
2531 |
|
free(line); |
2532 |
|
return 1; |
2533 |
|
} |
2534 |
|
dbgPrintf("secLastParamPtr: %s\n", secLastParamPtr); |
2535 |
|
if (!strncmp(secLastParamPtr, "(hd", 3)) { |
2536 |
|
secLastParamPtr += 3; |
2537 |
|
dbgPrintf("secLastParamPtr: %c\n", *secLastParamPtr); |
2538 |
|
installDeviceNumber = *secLastParamPtr; |
2539 |
|
} else { |
2540 |
|
installDeviceNumber = *lastParamPtr; |
2541 |
|
} |
2542 |
|
|
2543 |
|
*devicePtr = malloc(6); |
2544 |
|
snprintf(*devicePtr, 6, "(hd%c)", installDeviceNumber); |
2545 |
|
dbgPrintf("installDeviceNumber: %c\n", installDeviceNumber); |
2546 |
|
fclose(grubConf); |
2547 |
|
free(line); |
2548 |
|
return 0; |
2549 |
|
} |
2550 |
|
|
2551 |
|
free(line); |
2552 |
|
fclose(grubConf); |
2553 |
|
return 1; |
2554 |
|
} |
2555 |
|
|
2556 |
|
int grubGetBootFromDeviceMap(const char * device, |
2557 |
|
char ** bootPtr) { |
2558 |
|
FILE * deviceMap; |
2559 |
|
char * line = NULL; |
2560 |
|
size_t res = 0, len = 0; |
2561 |
|
char * devicePtr; |
2562 |
|
char * bounds = NULL; |
2563 |
|
const char * path; |
2564 |
|
const static char default_path[] = "/boot/grub/device.map"; |
2565 |
|
|
2566 |
|
if (!device) return 1; |
2567 |
|
if (!bootPtr) return 1; |
2568 |
|
|
2569 |
|
if ((path = getenv("GRUBBY_GRUB_DEVICE_MAP")) == NULL) |
2570 |
|
path = default_path; |
2571 |
|
|
2572 |
|
dbgPrintf("opening grub device.map file from: %s\n", path); |
2573 |
|
deviceMap = fopen(path, "r"); |
2574 |
|
if (!deviceMap) |
2575 |
|
return 1; |
2576 |
|
|
2577 |
|
while ((res = getline(&line, &len, deviceMap)) != -1) { |
2578 |
|
if (!strncmp(line, "#", 1)) |
2579 |
|
continue; |
2580 |
|
|
2581 |
|
if (line[res - 1] == '\n') |
2582 |
|
line[res - 1] = '\0'; |
2583 |
|
else if (len > res) |
2584 |
|
line[res] = '\0'; |
2585 |
|
else { |
2586 |
|
line = realloc(line, res + 1); |
2587 |
|
line[res] = '\0'; |
2588 |
|
} |
2589 |
|
|
2590 |
|
devicePtr = line; |
2591 |
|
bounds = line + res; |
2592 |
|
|
2593 |
|
while ((isspace(*line) && ((devicePtr + 1) <= bounds))) |
2594 |
|
devicePtr++; |
2595 |
|
dbgPrintf("device: %s\n", devicePtr); |
2596 |
|
|
2597 |
|
if (!strncmp(devicePtr, device, strlen(device))) { |
2598 |
|
devicePtr += strlen(device); |
2599 |
|
while (isspace(*devicePtr) && ((devicePtr + 1) <= bounds)) |
2600 |
|
devicePtr++; |
2601 |
|
|
2602 |
|
*bootPtr = strdup(devicePtr); |
2603 |
|
break; |
2604 |
|
} |
2605 |
|
} |
2606 |
|
|
2607 |
|
free(line); |
2608 |
|
fclose(deviceMap); |
2609 |
|
return 0; |
2610 |
|
} |
2611 |
|
|
2612 |
|
int suseGrubConfGetBoot(const char * path, char ** bootPtr) { |
2613 |
|
char * grubDevice; |
2614 |
|
|
2615 |
|
if (suseGrubConfGetInstallDevice(path, &grubDevice)) |
2616 |
|
dbgPrintf("error looking for grub installation device\n"); |
2617 |
|
else |
2618 |
|
dbgPrintf("grubby installation device: %s\n", grubDevice); |
2619 |
|
|
2620 |
|
if (grubGetBootFromDeviceMap(grubDevice, bootPtr)) |
2621 |
|
dbgPrintf("error looking for grub boot device\n"); |
2622 |
|
else |
2623 |
|
dbgPrintf("grubby boot device: %s\n", *bootPtr); |
2624 |
|
|
2625 |
|
free(grubDevice); |
2626 |
|
return 0; |
2627 |
|
} |
2628 |
|
|
2629 |
|
int parseSuseGrubConf(int * lbaPtr, char ** bootPtr) { |
2630 |
|
/* |
2631 |
|
* This SuSE grub configuration file at this location is not your average |
2632 |
|
* grub configuration file, but instead the grub commands used to setup |
2633 |
|
* grub on that system. |
2634 |
|
*/ |
2635 |
|
const char * path; |
2636 |
|
const static char default_path[] = "/etc/grub.conf"; |
2637 |
|
|
2638 |
|
if ((path = getenv("GRUBBY_SUSE_GRUB_CONF")) == NULL) |
2639 |
|
path = default_path; |
2640 |
|
|
2641 |
|
if (!isSuseGrubConf(path)) return 1; |
2642 |
|
|
2643 |
|
if (lbaPtr) { |
2644 |
|
*lbaPtr = 0; |
2645 |
|
if (suseGrubConfGetLba(path, lbaPtr)) |
2646 |
|
return 1; |
2647 |
|
} |
2648 |
|
|
2649 |
|
if (bootPtr) { |
2650 |
|
*bootPtr = NULL; |
2651 |
|
suseGrubConfGetBoot(path, bootPtr); |
2652 |
|
} |
2653 |
|
|
2654 |
|
return 0; |
2655 |
} |
} |
2656 |
|
|
2657 |
int parseSysconfigGrub(int * lbaPtr, char ** bootPtr) { |
int parseSysconfigGrub(int * lbaPtr, char ** bootPtr) { |
2661 |
char * start; |
char * start; |
2662 |
char * param; |
char * param; |
2663 |
|
|
2664 |
in = fopen("/etc/sysconfig/grub", "r"); |
in = fopen("/etc/conf.d/grub", "r"); |
2665 |
if (!in) return 1; |
if (!in) return 1; |
2666 |
|
|
2667 |
if (lbaPtr) *lbaPtr = 0; |
if (lbaPtr) *lbaPtr = 0; |
2702 |
} |
} |
2703 |
|
|
2704 |
void dumpSysconfigGrub(void) { |
void dumpSysconfigGrub(void) { |
2705 |
char * boot; |
char * boot = NULL; |
2706 |
int lba; |
int lba; |
2707 |
|
|
2708 |
if (!parseSysconfigGrub(&lba, &boot)) { |
if (isSuseSystem()) { |
2709 |
if (lba) printf("lba\n"); |
if (parseSuseGrubConf(&lba, &boot)) { |
2710 |
if (boot) printf("boot=%s\n", boot); |
free(boot); |
2711 |
|
return; |
2712 |
|
} |
2713 |
|
} else { |
2714 |
|
if (parseSysconfigGrub(&lba, &boot)) { |
2715 |
|
free(boot); |
2716 |
|
return; |
2717 |
|
} |
2718 |
|
} |
2719 |
|
|
2720 |
|
if (lba) printf("lba\n"); |
2721 |
|
if (boot) { |
2722 |
|
printf("boot=%s\n", boot); |
2723 |
|
free(boot); |
2724 |
} |
} |
2725 |
} |
} |
2726 |
|
|
2736 |
return 1; |
return 1; |
2737 |
} |
} |
2738 |
|
|
2739 |
/* this is a horrible hack to support /etc/sysconfig/grub; there must |
/* this is a horrible hack to support /etc/conf.d/grub; there must |
2740 |
be a better way */ |
be a better way */ |
2741 |
if (config->cfi == &grubConfigType) { |
if (config->cfi == &grubConfigType) { |
2742 |
dumpSysconfigGrub(); |
dumpSysconfigGrub(); |
2743 |
} else { |
} else { |
2744 |
line = config->theLines; |
line = getLineByType(LT_BOOT, config->theLines); |
|
while (line && line->type != LT_BOOT) line = line->next; |
|
2745 |
if (line && line->numElements >= 1) { |
if (line && line->numElements >= 1) { |
2746 |
printf("boot=%s\n", line->elements[1].item); |
printf("boot=%s\n", line->elements[1].item); |
2747 |
} |
} |
2748 |
|
|
2749 |
line = config->theLines; |
line = getLineByType(LT_LBA, config->theLines); |
|
while (line && line->type != LT_LBA) line = line->next; |
|
2750 |
if (line) printf("lba\n"); |
if (line) printf("lba\n"); |
2751 |
} |
} |
2752 |
|
|
2761 |
return 0; |
return 0; |
2762 |
} |
} |
2763 |
|
|
2764 |
|
struct singleLine * addLineTmpl(struct singleEntry * entry, |
2765 |
|
struct singleLine * tmplLine, |
2766 |
|
struct singleLine * prevLine, |
2767 |
|
const char * val, |
2768 |
|
struct configFileInfo * cfi) |
2769 |
|
{ |
2770 |
|
struct singleLine * newLine = lineDup(tmplLine); |
2771 |
|
|
2772 |
|
if (isEfi && cfi == &grub2ConfigType) { |
2773 |
|
enum lineType_e old = newLine->type; |
2774 |
|
newLine->type = preferredLineType(newLine->type, cfi); |
2775 |
|
if (old != newLine->type) |
2776 |
|
newLine->elements[0].item = getKeyByType(newLine->type, cfi); |
2777 |
|
} |
2778 |
|
|
2779 |
|
if (val) { |
2780 |
|
/* override the inherited value with our own. |
2781 |
|
* This is a little weak because it only applies to elements[1] |
2782 |
|
*/ |
2783 |
|
if (newLine->numElements > 1) |
2784 |
|
removeElement(newLine, 1); |
2785 |
|
insertElement(newLine, val, 1, cfi); |
2786 |
|
|
2787 |
|
/* but try to keep the rootspec from the template... sigh */ |
2788 |
|
if (tmplLine->type & (LT_HYPER|LT_KERNEL|LT_MBMODULE|LT_INITRD|LT_KERNEL_EFI|LT_INITRD_EFI|LT_KERNEL_16|LT_INITRD_16)) { |
2789 |
|
char * rootspec = getRootSpecifier(tmplLine->elements[1].item); |
2790 |
|
if (rootspec != NULL) { |
2791 |
|
free(newLine->elements[1].item); |
2792 |
|
newLine->elements[1].item = |
2793 |
|
sdupprintf("%s%s", rootspec, val); |
2794 |
|
} |
2795 |
|
} |
2796 |
|
} |
2797 |
|
|
2798 |
|
dbgPrintf("addLineTmpl(%s)\n", newLine->numElements ? |
2799 |
|
newLine->elements[0].item : ""); |
2800 |
|
|
2801 |
|
if (!entry->lines) { |
2802 |
|
/* first one on the list */ |
2803 |
|
entry->lines = newLine; |
2804 |
|
} else if (prevLine) { |
2805 |
|
/* add after prevLine */ |
2806 |
|
newLine->next = prevLine->next; |
2807 |
|
prevLine->next = newLine; |
2808 |
|
} |
2809 |
|
|
2810 |
|
return newLine; |
2811 |
|
} |
2812 |
|
|
2813 |
/* val may be NULL */ |
/* val may be NULL */ |
2814 |
struct singleLine * addLine(struct singleEntry * entry, |
struct singleLine * addLine(struct singleEntry * entry, |
2815 |
struct configFileInfo * cfi, |
struct configFileInfo * cfi, |
2816 |
enum lineType_e type, const char * defaultIndent, |
enum lineType_e type, char * defaultIndent, |
2817 |
char * val) { |
const char * val) { |
2818 |
struct singleLine * line, * prev; |
struct singleLine * line, * prev; |
2819 |
int i; |
struct keywordTypes * kw; |
2820 |
|
struct singleLine tmpl; |
2821 |
|
|
2822 |
for (i = 0; cfi->keywords[i].key; i++) |
/* NB: This function shouldn't allocate items on the heap, rather on the |
2823 |
if (cfi->keywords[i].type == type) break; |
* stack since it calls addLineTmpl which will make copies. |
2824 |
if (type != LT_TITLE || !cfi->titleBracketed) |
*/ |
2825 |
if (!cfi->keywords[i].key) abort(); |
if (type == LT_TITLE && cfi->titleBracketed) { |
2826 |
|
/* we're doing a bracketed title (zipl) */ |
2827 |
|
tmpl.type = type; |
2828 |
|
tmpl.numElements = 1; |
2829 |
|
tmpl.elements = alloca(sizeof(*tmpl.elements)); |
2830 |
|
tmpl.elements[0].item = alloca(strlen(val)+3); |
2831 |
|
sprintf(tmpl.elements[0].item, "[%s]", val); |
2832 |
|
tmpl.elements[0].indent = ""; |
2833 |
|
val = NULL; |
2834 |
|
} else if (type == LT_MENUENTRY) { |
2835 |
|
char *lineend = "--class gnu-linux --class gnu --class os {"; |
2836 |
|
if (!val) { |
2837 |
|
fprintf(stderr, "Line type LT_MENUENTRY requires a value\n"); |
2838 |
|
abort(); |
2839 |
|
} |
2840 |
|
kw = getKeywordByType(type, cfi); |
2841 |
|
if (!kw) { |
2842 |
|
fprintf(stderr, "Looking up keyword for unknown type %d\n", type); |
2843 |
|
abort(); |
2844 |
|
} |
2845 |
|
tmpl.indent = ""; |
2846 |
|
tmpl.type = type; |
2847 |
|
tmpl.numElements = 3; |
2848 |
|
tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements); |
2849 |
|
tmpl.elements[0].item = kw->key; |
2850 |
|
tmpl.elements[0].indent = alloca(2); |
2851 |
|
sprintf(tmpl.elements[0].indent, "%c", kw->nextChar); |
2852 |
|
tmpl.elements[1].item = (char *)val; |
2853 |
|
tmpl.elements[1].indent = alloca(2); |
2854 |
|
sprintf(tmpl.elements[1].indent, "%c", kw->nextChar); |
2855 |
|
tmpl.elements[2].item = alloca(strlen(lineend)+1); |
2856 |
|
strcpy(tmpl.elements[2].item, lineend); |
2857 |
|
tmpl.elements[2].indent = ""; |
2858 |
|
} else { |
2859 |
|
kw = getKeywordByType(type, cfi); |
2860 |
|
if (!kw) { |
2861 |
|
fprintf(stderr, "Looking up keyword for unknown type %d\n", type); |
2862 |
|
abort(); |
2863 |
|
} |
2864 |
|
tmpl.type = type; |
2865 |
|
tmpl.numElements = val ? 2 : 1; |
2866 |
|
tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements); |
2867 |
|
tmpl.elements[0].item = kw->key; |
2868 |
|
tmpl.elements[0].indent = alloca(2); |
2869 |
|
sprintf(tmpl.elements[0].indent, "%c", kw->nextChar); |
2870 |
|
if (val) { |
2871 |
|
tmpl.elements[1].item = (char *)val; |
2872 |
|
tmpl.elements[1].indent = ""; |
2873 |
|
} |
2874 |
|
} |
2875 |
|
|
2876 |
/* The last non-empty line gives us the indention to us and the line |
/* The last non-empty line gives us the indention to us and the line |
2877 |
to insert after. Note that comments are considered empty lines, which |
to insert after. Note that comments are considered empty lines, which |
2878 |
may not be ideal? If there are no lines or we are looking at the |
may not be ideal? If there are no lines or we are looking at the |
2879 |
first line, we use defaultIndent (the first line is normally indented |
first line, we use defaultIndent (the first line is normally indented |
2880 |
differently from the rest) */ |
differently from the rest) */ |
2881 |
if (entry->lines) { |
for (line = entry->lines, prev = NULL; line; line = line->next) { |
2882 |
line = entry->lines; |
if (line->numElements) prev = line; |
2883 |
prev = NULL; |
/* fall back on the last line if prev isn't otherwise set */ |
2884 |
while (line) { |
if (!line->next && !prev) prev = line; |
|
if (line->numElements) prev = line; |
|
|
line = line->next; |
|
|
} |
|
|
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; |
|
|
|
|
|
if (prev == entry->lines) |
|
|
line->indent = strdup(defaultIndent); |
|
|
else |
|
|
line->indent = strdup(prev->indent); |
|
|
} else { |
|
|
line = malloc(sizeof(*line)); |
|
|
line->indent = strdup(defaultIndent); |
|
|
line->next = NULL; |
|
2885 |
} |
} |
2886 |
|
|
2887 |
if (type != LT_TITLE || !cfi->titleBracketed) { |
struct singleLine *menuEntry; |
2888 |
line->type = type; |
menuEntry = getLineByType(LT_MENUENTRY, entry->lines); |
2889 |
line->numElements = val ? 2 : 1; |
if (tmpl.type == LT_ENTRY_END) { |
2890 |
line->elements = malloc(sizeof(*line->elements) * line->numElements); |
if (menuEntry) |
2891 |
line->elements[0].item = strdup(cfi->keywords[i].key); |
tmpl.indent = menuEntry->indent; |
2892 |
line->elements[0].indent = malloc(2); |
else |
2893 |
line->elements[0].indent[0] = cfi->keywords[i].nextChar; |
tmpl.indent = defaultIndent ?: ""; |
2894 |
line->elements[0].indent[1] = '\0'; |
} else if (tmpl.type != LT_MENUENTRY) { |
2895 |
|
if (menuEntry) |
2896 |
if (val) { |
tmpl.indent = "\t"; |
2897 |
line->elements[1].item = val; |
else if (prev == entry->lines) |
2898 |
line->elements[1].indent = strdup(""); |
tmpl.indent = defaultIndent ?: ""; |
2899 |
} |
else |
2900 |
} else { |
tmpl.indent = prev->indent; |
|
/* we're doing the title of a bracketed title (zipl) */ |
|
|
line->type = type; |
|
|
line->numElements = 1; |
|
|
line->elements = malloc(sizeof(*line->elements) * line->numElements); |
|
|
|
|
|
line->elements[0].item = malloc(strlen(val) + 3); |
|
|
sprintf(line->elements[0].item, "[%s]", val); |
|
|
line->elements[0].indent = strdup(""); |
|
2901 |
} |
} |
2902 |
|
|
2903 |
return line; |
return addLineTmpl(entry, &tmpl, prev, val, cfi); |
2904 |
} |
} |
2905 |
|
|
2906 |
void removeLine(struct singleEntry * entry, struct singleLine * line) { |
void removeLine(struct singleEntry * entry, struct singleLine * line) { |
2925 |
free(line); |
free(line); |
2926 |
} |
} |
2927 |
|
|
2928 |
|
static void requote(struct singleLine *tmplLine, struct configFileInfo * cfi) |
2929 |
|
{ |
2930 |
|
struct singleLine newLine = { |
2931 |
|
.indent = tmplLine->indent, |
2932 |
|
.type = tmplLine->type, |
2933 |
|
.next = tmplLine->next, |
2934 |
|
}; |
2935 |
|
int firstQuotedItem = -1; |
2936 |
|
int quoteLen = 0; |
2937 |
|
int j; |
2938 |
|
int element = 0; |
2939 |
|
char *c; |
2940 |
|
|
2941 |
|
c = malloc(strlen(tmplLine->elements[0].item) + 1); |
2942 |
|
strcpy(c, tmplLine->elements[0].item); |
2943 |
|
insertElement(&newLine, c, element++, cfi); |
2944 |
|
free(c); |
2945 |
|
c = NULL; |
2946 |
|
|
2947 |
|
for (j = 1; j < tmplLine->numElements; j++) { |
2948 |
|
if (firstQuotedItem == -1) { |
2949 |
|
quoteLen += strlen(tmplLine->elements[j].item); |
2950 |
|
|
2951 |
|
if (isquote(tmplLine->elements[j].item[0])) { |
2952 |
|
firstQuotedItem = j; |
2953 |
|
quoteLen += strlen(tmplLine->elements[j].indent); |
2954 |
|
} else { |
2955 |
|
c = malloc(quoteLen + 1); |
2956 |
|
strcpy(c, tmplLine->elements[j].item); |
2957 |
|
insertElement(&newLine, c, element++, cfi); |
2958 |
|
free(c); |
2959 |
|
quoteLen = 0; |
2960 |
|
} |
2961 |
|
} else { |
2962 |
|
int itemlen = strlen(tmplLine->elements[j].item); |
2963 |
|
quoteLen += itemlen; |
2964 |
|
quoteLen += strlen(tmplLine->elements[j].indent); |
2965 |
|
|
2966 |
|
if (isquote(tmplLine->elements[j].item[itemlen - 1])) { |
2967 |
|
c = malloc(quoteLen + 1); |
2968 |
|
c[0] = '\0'; |
2969 |
|
for (int i = firstQuotedItem; i < j+1; i++) { |
2970 |
|
strcat(c, tmplLine->elements[i].item); |
2971 |
|
strcat(c, tmplLine->elements[i].indent); |
2972 |
|
} |
2973 |
|
insertElement(&newLine, c, element++, cfi); |
2974 |
|
free(c); |
2975 |
|
|
2976 |
|
firstQuotedItem = -1; |
2977 |
|
quoteLen = 0; |
2978 |
|
} |
2979 |
|
} |
2980 |
|
} |
2981 |
|
while (tmplLine->numElements) |
2982 |
|
removeElement(tmplLine, 0); |
2983 |
|
if (tmplLine->elements) |
2984 |
|
free(tmplLine->elements); |
2985 |
|
|
2986 |
|
tmplLine->numElements = newLine.numElements; |
2987 |
|
tmplLine->elements = newLine.elements; |
2988 |
|
} |
2989 |
|
|
2990 |
|
static void insertElement(struct singleLine * line, |
2991 |
|
const char * item, int insertHere, |
2992 |
|
struct configFileInfo * cfi) |
2993 |
|
{ |
2994 |
|
struct keywordTypes * kw; |
2995 |
|
char indent[2] = ""; |
2996 |
|
|
2997 |
|
/* sanity check */ |
2998 |
|
if (insertHere > line->numElements) { |
2999 |
|
dbgPrintf("insertElement() adjusting insertHere from %d to %d\n", |
3000 |
|
insertHere, line->numElements); |
3001 |
|
insertHere = line->numElements; |
3002 |
|
} |
3003 |
|
|
3004 |
|
line->elements = realloc(line->elements, (line->numElements + 1) * |
3005 |
|
sizeof(*line->elements)); |
3006 |
|
memmove(&line->elements[insertHere+1], |
3007 |
|
&line->elements[insertHere], |
3008 |
|
(line->numElements - insertHere) * |
3009 |
|
sizeof(*line->elements)); |
3010 |
|
line->elements[insertHere].item = strdup(item); |
3011 |
|
|
3012 |
|
kw = getKeywordByType(line->type, cfi); |
3013 |
|
|
3014 |
|
if (line->numElements == 0) { |
3015 |
|
indent[0] = '\0'; |
3016 |
|
} else if (insertHere == 0) { |
3017 |
|
indent[0] = kw->nextChar; |
3018 |
|
} else if (kw->separatorChar != '\0') { |
3019 |
|
indent[0] = kw->separatorChar; |
3020 |
|
} else { |
3021 |
|
indent[0] = ' '; |
3022 |
|
} |
3023 |
|
|
3024 |
|
if (insertHere > 0 && line->elements[insertHere-1].indent[0] == '\0') { |
3025 |
|
/* move the end-of-line forward */ |
3026 |
|
line->elements[insertHere].indent = |
3027 |
|
line->elements[insertHere-1].indent; |
3028 |
|
line->elements[insertHere-1].indent = strdup(indent); |
3029 |
|
} else { |
3030 |
|
line->elements[insertHere].indent = strdup(indent); |
3031 |
|
} |
3032 |
|
|
3033 |
|
line->numElements++; |
3034 |
|
|
3035 |
|
dbgPrintf("insertElement(%s, '%s%s', %d)\n", |
3036 |
|
line->elements[0].item, |
3037 |
|
line->elements[insertHere].item, |
3038 |
|
line->elements[insertHere].indent, |
3039 |
|
insertHere); |
3040 |
|
} |
3041 |
|
|
3042 |
|
static void removeElement(struct singleLine * line, int removeHere) { |
3043 |
|
int i; |
3044 |
|
|
3045 |
|
/* sanity check */ |
3046 |
|
if (removeHere >= line->numElements) return; |
3047 |
|
|
3048 |
|
dbgPrintf("removeElement(%s, %d:%s)\n", line->elements[0].item, |
3049 |
|
removeHere, line->elements[removeHere].item); |
3050 |
|
|
3051 |
|
free(line->elements[removeHere].item); |
3052 |
|
|
3053 |
|
if (removeHere > 1) { |
3054 |
|
/* previous argument gets this argument's post-indentation */ |
3055 |
|
free(line->elements[removeHere-1].indent); |
3056 |
|
line->elements[removeHere-1].indent = |
3057 |
|
line->elements[removeHere].indent; |
3058 |
|
} else { |
3059 |
|
free(line->elements[removeHere].indent); |
3060 |
|
} |
3061 |
|
|
3062 |
|
/* now collapse the array, but don't bother to realloc smaller */ |
3063 |
|
for (i = removeHere; i < line->numElements - 1; i++) |
3064 |
|
line->elements[i] = line->elements[i + 1]; |
3065 |
|
|
3066 |
|
line->numElements--; |
3067 |
|
} |
3068 |
|
|
3069 |
int argMatch(const char * one, const char * two) { |
int argMatch(const char * one, const char * two) { |
3070 |
char * first, * second; |
char * first, * second; |
3071 |
char * chptr; |
char * chptr; |
3088 |
struct singleEntry * entry; |
struct singleEntry * entry; |
3089 |
struct singleLine * line, * rootLine; |
struct singleLine * line, * rootLine; |
3090 |
int index = 0; |
int index = 0; |
3091 |
int i, j, k; |
int i, k; |
3092 |
const char ** newArgs, ** oldArgs; |
const char ** newArgs, ** oldArgs; |
3093 |
const char ** arg; |
const char ** arg; |
3094 |
const char * chptr; |
int useKernelArgs, useRoot; |
|
int useKernelArgs = 0; |
|
|
int useRoot = 0; |
|
3095 |
int firstElement; |
int firstElement; |
3096 |
int *usedElements, *usedArgs; |
int *usedElements; |
3097 |
|
int doreplace; |
3098 |
|
|
3099 |
if (!image) return 0; |
if (!image) return 0; |
3100 |
|
|
3121 |
} |
} |
3122 |
} |
} |
3123 |
|
|
|
for (i = 0; cfg->cfi->keywords[i].key; i++) |
|
|
if (cfg->cfi->keywords[i].type == LT_KERNELARGS) break; |
|
3124 |
|
|
3125 |
if (cfg->cfi->keywords[i].key) |
useKernelArgs = (getKeywordByType(LT_KERNELARGS, cfg->cfi) |
3126 |
useKernelArgs = 1; |
&& (!multibootArgs || cfg->cfi->mbConcatArgs)); |
3127 |
|
|
3128 |
for (i = 0; cfg->cfi->keywords[i].key; i++) |
useRoot = (getKeywordByType(LT_ROOT, cfg->cfi) |
3129 |
if (cfg->cfi->keywords[i].type == LT_ROOT) break; |
&& !multibootArgs); |
3130 |
|
|
3131 |
if (cfg->cfi->keywords[i].key) |
for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
|
useRoot = 1; |
|
3132 |
|
|
3133 |
k = 0; |
if (multibootArgs && !entry->multiboot) |
3134 |
for (arg = newArgs; *arg; arg++) |
continue; |
3135 |
k++; |
|
3136 |
usedArgs = calloc(k, sizeof(int)); |
/* Determine where to put the args. If this config supports |
3137 |
|
* LT_KERNELARGS, use that. Otherwise use |
3138 |
|
* LT_HYPER/LT_KERNEL/LT_MBMODULE lines. |
3139 |
|
*/ |
3140 |
|
if (useKernelArgs) { |
3141 |
|
line = getLineByType(LT_KERNELARGS, entry->lines); |
3142 |
|
if (!line) { |
3143 |
|
/* no LT_KERNELARGS, need to add it */ |
3144 |
|
line = addLine(entry, cfg->cfi, LT_KERNELARGS, |
3145 |
|
cfg->secondaryIndent, NULL); |
3146 |
|
} |
3147 |
|
firstElement = 1; |
3148 |
|
|
3149 |
while ((entry = findEntryByPath(cfg, image, prefix, &index))) { |
} else if (multibootArgs) { |
3150 |
index++; |
line = getLineByType(LT_HYPER, entry->lines); |
3151 |
|
if (!line) { |
3152 |
|
/* a multiboot entry without LT_HYPER? */ |
3153 |
|
continue; |
3154 |
|
} |
3155 |
|
firstElement = 2; |
3156 |
|
|
3157 |
line = entry->lines; |
} else { |
3158 |
while (line && line->type != LT_KERNEL) line = line->next; |
line = getLineByType(LT_KERNEL|LT_MBMODULE|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines); |
3159 |
if (!line) continue; |
if (!line) { |
3160 |
firstElement = 2; |
/* no LT_KERNEL or LT_MBMODULE in this entry? */ |
3161 |
|
continue; |
3162 |
if (entry->multiboot && !multibootArgs) { |
} |
3163 |
/* first mb module line is the real kernel */ |
firstElement = 2; |
3164 |
while (line && line->type != LT_MBMODULE) line = line->next; |
} |
3165 |
firstElement = 2; |
|
3166 |
} else if (useKernelArgs) { |
/* handle the elilo case which does: |
3167 |
while (line && line->type != LT_KERNELARGS) line = line->next; |
* append="hypervisor args -- kernel args" |
3168 |
firstElement = 1; |
*/ |
3169 |
|
if (entry->multiboot && cfg->cfi->mbConcatArgs) { |
3170 |
|
/* this is a multiboot entry, make sure there's |
3171 |
|
* -- on the args line |
3172 |
|
*/ |
3173 |
|
for (i = firstElement; i < line->numElements; i++) { |
3174 |
|
if (!strcmp(line->elements[i].item, "--")) |
3175 |
|
break; |
3176 |
|
} |
3177 |
|
if (i == line->numElements) { |
3178 |
|
/* assume all existing args are kernel args, |
3179 |
|
* prepend -- to make it official |
3180 |
|
*/ |
3181 |
|
insertElement(line, "--", firstElement, cfg->cfi); |
3182 |
|
i = firstElement; |
3183 |
|
} |
3184 |
|
if (!multibootArgs) { |
3185 |
|
/* kernel args start after the -- */ |
3186 |
|
firstElement = i + 1; |
3187 |
|
} |
3188 |
|
} else if (cfg->cfi->mbConcatArgs) { |
3189 |
|
/* this is a non-multiboot entry, remove hyper args */ |
3190 |
|
for (i = firstElement; i < line->numElements; i++) { |
3191 |
|
if (!strcmp(line->elements[i].item, "--")) |
3192 |
|
break; |
3193 |
|
} |
3194 |
|
if (i < line->numElements) { |
3195 |
|
/* remove args up to -- */ |
3196 |
|
while (strcmp(line->elements[firstElement].item, "--")) |
3197 |
|
removeElement(line, firstElement); |
3198 |
|
/* remove -- */ |
3199 |
|
removeElement(line, firstElement); |
3200 |
|
} |
3201 |
} |
} |
3202 |
|
|
3203 |
if (!line && useKernelArgs) { |
usedElements = calloc(line->numElements, sizeof(*usedElements)); |
|
/* no append in there, need to add it */ |
|
|
line = addLine(entry, cfg->cfi, LT_KERNELARGS, NULL, NULL); |
|
|
} |
|
3204 |
|
|
3205 |
usedElements = calloc(line->numElements, sizeof(int)); |
for (k = 0, arg = newArgs; *arg; arg++, k++) { |
3206 |
|
|
3207 |
k = 0; |
doreplace = 1; |
|
for (arg = newArgs; *arg; arg++) { |
|
|
if (usedArgs[k]) { |
|
|
k++; |
|
|
continue; |
|
|
} |
|
3208 |
for (i = firstElement; i < line->numElements; i++) { |
for (i = firstElement; i < line->numElements; i++) { |
3209 |
|
if (multibootArgs && cfg->cfi->mbConcatArgs && |
3210 |
|
!strcmp(line->elements[i].item, "--")) |
3211 |
|
{ |
3212 |
|
/* reached the end of hyper args, insert here */ |
3213 |
|
doreplace = 0; |
3214 |
|
break; |
3215 |
|
} |
3216 |
if (usedElements[i]) |
if (usedElements[i]) |
3217 |
continue; |
continue; |
3218 |
if (!argMatch(line->elements[i].item, *arg)) { |
if (!argMatch(line->elements[i].item, *arg)) { |
3219 |
usedElements[i]=1; |
usedElements[i]=1; |
|
usedArgs[k]=1; |
|
3220 |
break; |
break; |
3221 |
} |
} |
3222 |
} |
} |
|
chptr = strchr(*arg, '='); |
|
3223 |
|
|
3224 |
if (i < line->numElements) { |
if (i < line->numElements && doreplace) { |
3225 |
/* replace */ |
/* direct replacement */ |
3226 |
free(line->elements[i].item); |
free(line->elements[i].item); |
3227 |
line->elements[i].item = strdup(*arg); |
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(""); |
|
|
} |
|
3228 |
|
|
3229 |
free(rootLine->elements[1].item); |
} else if (useRoot && !strncmp(*arg, "root=/dev/", 10)) { |
3230 |
rootLine->elements[1].item = strdup(chptr + 1); |
/* root= replacement */ |
3231 |
} else { |
rootLine = getLineByType(LT_ROOT, entry->lines); |
3232 |
/* append */ |
if (rootLine) { |
3233 |
line->elements = realloc(line->elements, |
free(rootLine->elements[1].item); |
3234 |
(line->numElements + 1) * sizeof(*line->elements)); |
rootLine->elements[1].item = strdup(*arg + 5); |
|
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(" "); |
|
3235 |
} else { |
} else { |
3236 |
/* First thing on this line; treat a bit differently. Note |
rootLine = addLine(entry, cfg->cfi, LT_ROOT, |
3237 |
this is only possible if we've added a LT_KERNELARGS |
cfg->secondaryIndent, *arg + 5); |
|
entry */ |
|
|
line->elements[line->numElements].indent = strdup(""); |
|
3238 |
} |
} |
3239 |
|
} |
3240 |
|
|
3241 |
line->numElements++; |
else { |
3242 |
|
/* insert/append */ |
3243 |
|
insertElement(line, *arg, i, cfg->cfi); |
3244 |
|
usedElements = realloc(usedElements, line->numElements * |
3245 |
|
sizeof(*usedElements)); |
3246 |
|
memmove(&usedElements[i + 1], &usedElements[i], |
3247 |
|
line->numElements - i - 1); |
3248 |
|
usedElements[i] = 1; |
3249 |
|
|
3250 |
/* if we updated a root= here even though there is a |
/* if we updated a root= here even though there is a |
3251 |
LT_ROOT available we need to remove the LT_ROOT entry |
LT_ROOT available we need to remove the LT_ROOT entry |
3252 |
(this will happen if we switch from a device to a label) */ |
(this will happen if we switch from a device to a label) */ |
3253 |
if (useRoot && !strncmp(*arg, "root=", 5)) { |
if (useRoot && !strncmp(*arg, "root=", 5)) { |
3254 |
rootLine = entry->lines; |
rootLine = getLineByType(LT_ROOT, entry->lines); |
3255 |
while (rootLine && rootLine->type != LT_ROOT) |
if (rootLine) |
|
rootLine = rootLine->next; |
|
|
if (rootLine) { |
|
3256 |
removeLine(entry, rootLine); |
removeLine(entry, rootLine); |
|
} |
|
3257 |
} |
} |
3258 |
} |
} |
|
k++; |
|
3259 |
} |
} |
3260 |
|
|
3261 |
free(usedElements); |
free(usedElements); |
3262 |
|
|
|
/* no arguments to remove (i.e. no append line) */ |
|
|
if (!line) continue; |
|
|
|
|
|
/* this won't remove an LT_ROOT item properly (but then again, |
|
|
who cares? */ |
|
3263 |
for (arg = oldArgs; *arg; arg++) { |
for (arg = oldArgs; *arg; arg++) { |
3264 |
for (i = firstElement; i < line->numElements; i++) |
for (i = firstElement; i < line->numElements; i++) { |
3265 |
if (!argMatch(line->elements[i].item, *arg)) |
if (multibootArgs && cfg->cfi->mbConcatArgs && |
3266 |
|
!strcmp(line->elements[i].item, "--")) |
3267 |
|
/* reached the end of hyper args, stop here */ |
3268 |
|
break; |
3269 |
|
if (!argMatch(line->elements[i].item, *arg)) { |
3270 |
|
removeElement(line, i); |
3271 |
break; |
break; |
|
|
|
|
if (i < line->numElements) { |
|
|
/* if this isn't the first argument the previous argument |
|
|
gets this arguments post-indention */ |
|
|
if (i > firstElement) { |
|
|
free(line->elements[i - 1].indent); |
|
|
line->elements[i - 1].indent = line->elements[i].indent; |
|
3272 |
} |
} |
3273 |
|
} |
3274 |
free(line->elements[i].item); |
/* handle removing LT_ROOT line too */ |
3275 |
|
if (useRoot && !strncmp(*arg, "root=", 5)) { |
3276 |
for (j = i + 1; j < line->numElements; j++) |
rootLine = getLineByType(LT_ROOT, entry->lines); |
3277 |
line->elements[j - 1] = line->elements[j]; |
if (rootLine) |
3278 |
|
removeLine(entry, rootLine); |
|
line->numElements--; |
|
3279 |
} |
} |
3280 |
} |
} |
3281 |
|
|
3286 |
} |
} |
3287 |
} |
} |
3288 |
|
|
|
free(usedArgs); |
|
3289 |
free(newArgs); |
free(newArgs); |
3290 |
free(oldArgs); |
free(oldArgs); |
3291 |
|
|
3311 |
return rc; |
return rc; |
3312 |
} |
} |
3313 |
|
|
3314 |
|
int addMBInitrd(struct grubConfig * cfg, const char *newMBKernel, |
3315 |
|
const char * image, const char * prefix, const char * initrd, |
3316 |
|
const char * title) { |
3317 |
|
struct singleEntry * entry; |
3318 |
|
struct singleLine * line, * kernelLine, *endLine = NULL; |
3319 |
|
int index = 0; |
3320 |
|
|
3321 |
|
if (!image) return 0; |
3322 |
|
|
3323 |
|
for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
3324 |
|
kernelLine = getLineByType(LT_MBMODULE, entry->lines); |
3325 |
|
if (!kernelLine) continue; |
3326 |
|
|
3327 |
|
/* if title is supplied, the entry's title must match it. */ |
3328 |
|
if (title) { |
3329 |
|
char *linetitle; |
3330 |
|
|
3331 |
|
line = getLineByType(LT_TITLE|LT_MENUENTRY, entry->lines); |
3332 |
|
if (!line) |
3333 |
|
continue; |
3334 |
|
|
3335 |
|
linetitle = extractTitle(line); |
3336 |
|
if (!linetitle) |
3337 |
|
continue; |
3338 |
|
if (strcmp(title, linetitle)) { |
3339 |
|
free(linetitle); |
3340 |
|
continue; |
3341 |
|
} |
3342 |
|
free(linetitle); |
3343 |
|
} |
3344 |
|
|
3345 |
|
if (prefix) { |
3346 |
|
int prefixLen = strlen(prefix); |
3347 |
|
if (!strncmp(initrd, prefix, prefixLen)) |
3348 |
|
initrd += prefixLen; |
3349 |
|
} |
3350 |
|
endLine = getLineByType(LT_ENTRY_END, entry->lines); |
3351 |
|
if (endLine) |
3352 |
|
removeLine(entry, endLine); |
3353 |
|
line = addLine(entry, cfg->cfi, preferredLineType(LT_MBMODULE,cfg->cfi), |
3354 |
|
kernelLine->indent, initrd); |
3355 |
|
if (!line) |
3356 |
|
return 1; |
3357 |
|
if (endLine) { |
3358 |
|
line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL); |
3359 |
|
if (!line) |
3360 |
|
return 1; |
3361 |
|
} |
3362 |
|
|
3363 |
|
break; |
3364 |
|
} |
3365 |
|
|
3366 |
|
return 0; |
3367 |
|
} |
3368 |
|
|
3369 |
|
int updateInitrd(struct grubConfig * cfg, const char * image, |
3370 |
|
const char * prefix, const char * initrd, const char * title) { |
3371 |
|
struct singleEntry * entry; |
3372 |
|
struct singleLine * line, * kernelLine, *endLine = NULL; |
3373 |
|
int index = 0; |
3374 |
|
|
3375 |
|
if (!image) return 0; |
3376 |
|
|
3377 |
|
for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
3378 |
|
kernelLine = getLineByType(LT_KERNEL|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines); |
3379 |
|
if (!kernelLine) continue; |
3380 |
|
|
3381 |
|
/* if title is supplied, the entry's title must match it. */ |
3382 |
|
if (title) { |
3383 |
|
char *linetitle; |
3384 |
|
|
3385 |
|
line = getLineByType(LT_TITLE|LT_MENUENTRY, entry->lines); |
3386 |
|
if (!line) |
3387 |
|
continue; |
3388 |
|
|
3389 |
|
linetitle = extractTitle(line); |
3390 |
|
if (!linetitle) |
3391 |
|
continue; |
3392 |
|
if (strcmp(title, linetitle)) { |
3393 |
|
free(linetitle); |
3394 |
|
continue; |
3395 |
|
} |
3396 |
|
free(linetitle); |
3397 |
|
} |
3398 |
|
|
3399 |
|
line = getLineByType(LT_INITRD|LT_INITRD_EFI|LT_INITRD_16, entry->lines); |
3400 |
|
if (line) |
3401 |
|
removeLine(entry, line); |
3402 |
|
if (prefix) { |
3403 |
|
int prefixLen = strlen(prefix); |
3404 |
|
if (!strncmp(initrd, prefix, prefixLen)) |
3405 |
|
initrd += prefixLen; |
3406 |
|
} |
3407 |
|
endLine = getLineByType(LT_ENTRY_END, entry->lines); |
3408 |
|
if (endLine) |
3409 |
|
removeLine(entry, endLine); |
3410 |
|
enum lineType_e lt; |
3411 |
|
switch(kernelLine->type) { |
3412 |
|
case LT_KERNEL: |
3413 |
|
lt = LT_INITRD; |
3414 |
|
break; |
3415 |
|
case LT_KERNEL_EFI: |
3416 |
|
lt = LT_INITRD_EFI; |
3417 |
|
break; |
3418 |
|
case LT_KERNEL_16: |
3419 |
|
lt = LT_INITRD_16; |
3420 |
|
break; |
3421 |
|
default: |
3422 |
|
lt = preferredLineType(LT_INITRD, cfg->cfi); |
3423 |
|
} |
3424 |
|
line = addLine(entry, cfg->cfi, lt, kernelLine->indent, initrd); |
3425 |
|
if (!line) |
3426 |
|
return 1; |
3427 |
|
if (endLine) { |
3428 |
|
line = addLine(entry, cfg->cfi, LT_ENTRY_END, "", NULL); |
3429 |
|
if (!line) |
3430 |
|
return 1; |
3431 |
|
} |
3432 |
|
|
3433 |
|
break; |
3434 |
|
} |
3435 |
|
|
3436 |
|
return 0; |
3437 |
|
} |
3438 |
|
|
3439 |
int checkDeviceBootloader(const char * device, const unsigned char * boot) { |
int checkDeviceBootloader(const char * device, const unsigned char * boot) { |
3440 |
int fd; |
int fd; |
3441 |
unsigned char bootSect[512]; |
unsigned char bootSect[512]; |
3459 |
if (memcmp(boot, bootSect, 3)) |
if (memcmp(boot, bootSect, 3)) |
3460 |
return 0; |
return 0; |
3461 |
|
|
3462 |
if (boot[1] == 0xeb) { |
if (boot[1] == JMP_SHORT_OPCODE) { |
3463 |
offset = boot[2] + 2; |
offset = boot[2] + 2; |
3464 |
} else if (boot[1] == 0xe8 || boot[1] == 0xe9) { |
} else if (boot[1] == 0xe8 || boot[1] == 0xe9) { |
3465 |
offset = (boot[3] << 8) + boot[2] + 2; |
offset = (boot[3] << 8) + boot[2] + 2; |
3466 |
} else if (boot[0] == 0xeb) { |
} else if (boot[0] == JMP_SHORT_OPCODE) { |
3467 |
offset = boot[1] + 2; |
offset = boot[1] + 2; |
3468 |
|
/* |
3469 |
|
* it looks like grub, when copying stage1 into the mbr, patches stage1 |
3470 |
|
* right after the JMP location, replacing other instructions such as |
3471 |
|
* JMPs for NOOPs. So, relax the check a little bit by skipping those |
3472 |
|
* different bytes. |
3473 |
|
*/ |
3474 |
|
if ((bootSect[offset + 1] == NOOP_OPCODE) |
3475 |
|
&& (bootSect[offset + 2] == NOOP_OPCODE)) { |
3476 |
|
offset = offset + 3; |
3477 |
|
} |
3478 |
} else if (boot[0] == 0xe8 || boot[0] == 0xe9) { |
} else if (boot[0] == 0xe8 || boot[0] == 0xe9) { |
3479 |
offset = (boot[2] << 8) + boot[1] + 2; |
offset = (boot[2] << 8) + boot[1] + 2; |
3480 |
} else { |
} else { |
3616 |
return checkDeviceBootloader(line->elements[1].item, boot); |
return checkDeviceBootloader(line->elements[1].item, boot); |
3617 |
} |
} |
3618 |
|
|
3619 |
|
int checkForGrub2(struct grubConfig * config) { |
3620 |
|
if (!access("/etc/grub.d/", R_OK)) |
3621 |
|
return 2; |
3622 |
|
|
3623 |
|
return 1; |
3624 |
|
} |
3625 |
|
|
3626 |
int checkForGrub(struct grubConfig * config) { |
int checkForGrub(struct grubConfig * config) { |
3627 |
int fd; |
int fd; |
3628 |
unsigned char bootSect[512]; |
unsigned char bootSect[512]; |
3629 |
char * boot; |
char * boot; |
3630 |
|
int onSuse = isSuseSystem(); |
3631 |
|
|
3632 |
if (parseSysconfigGrub(NULL, &boot)) |
|
3633 |
return 0; |
if (onSuse) { |
3634 |
|
if (parseSuseGrubConf(NULL, &boot)) |
3635 |
|
return 0; |
3636 |
|
} else { |
3637 |
|
if (parseSysconfigGrub(NULL, &boot)) |
3638 |
|
return 0; |
3639 |
|
} |
3640 |
|
|
3641 |
/* assume grub is not installed -- not an error condition */ |
/* assume grub is not installed -- not an error condition */ |
3642 |
if (!boot) |
if (!boot) |
3650 |
if (read(fd, bootSect, 512) != 512) { |
if (read(fd, bootSect, 512) != 512) { |
3651 |
fprintf(stderr, _("grubby: unable to read %s: %s\n"), |
fprintf(stderr, _("grubby: unable to read %s: %s\n"), |
3652 |
"/boot/grub/stage1", strerror(errno)); |
"/boot/grub/stage1", strerror(errno)); |
3653 |
|
close(fd); |
3654 |
|
return 1; |
3655 |
|
} |
3656 |
|
close(fd); |
3657 |
|
|
3658 |
|
/* The more elaborate checks do not work on SuSE. The checks done |
3659 |
|
* seem to be reasonble (at least for now), so just return success |
3660 |
|
*/ |
3661 |
|
if (onSuse) |
3662 |
|
return 2; |
3663 |
|
|
3664 |
|
return checkDeviceBootloader(boot, bootSect); |
3665 |
|
} |
3666 |
|
|
3667 |
|
int checkForExtLinux(struct grubConfig * config) { |
3668 |
|
int fd; |
3669 |
|
unsigned char bootSect[512]; |
3670 |
|
char * boot; |
3671 |
|
char executable[] = "/boot/extlinux/extlinux"; |
3672 |
|
|
3673 |
|
printf("entered: checkForExtLinux()\n"); |
3674 |
|
|
3675 |
|
if (parseSysconfigGrub(NULL, &boot)) |
3676 |
|
return 0; |
3677 |
|
|
3678 |
|
/* assume grub is not installed -- not an error condition */ |
3679 |
|
if (!boot) |
3680 |
|
return 0; |
3681 |
|
|
3682 |
|
fd = open(executable, O_RDONLY); |
3683 |
|
if (fd < 0) |
3684 |
|
/* this doesn't exist if grub hasn't been installed */ |
3685 |
|
return 0; |
3686 |
|
|
3687 |
|
if (read(fd, bootSect, 512) != 512) { |
3688 |
|
fprintf(stderr, _("grubby: unable to read %s: %s\n"), |
3689 |
|
executable, strerror(errno)); |
3690 |
return 1; |
return 1; |
3691 |
} |
} |
3692 |
close(fd); |
close(fd); |
3694 |
return checkDeviceBootloader(boot, bootSect); |
return checkDeviceBootloader(boot, bootSect); |
3695 |
} |
} |
3696 |
|
|
3697 |
|
int checkForYaboot(struct grubConfig * config) { |
3698 |
|
/* |
3699 |
|
* This is a simplistic check that we consider good enough for own puporses |
3700 |
|
* |
3701 |
|
* If we were to properly check if yaboot is *installed* we'd need to: |
3702 |
|
* 1) get the system boot device (LT_BOOT) |
3703 |
|
* 2) considering it's a raw filesystem, check if the yaboot binary matches |
3704 |
|
* the content on the boot device |
3705 |
|
* 3) if not, copy the binary to a temporary file and run "addnote" on it |
3706 |
|
* 4) check again if binary and boot device contents match |
3707 |
|
*/ |
3708 |
|
if (!access("/etc/yaboot.conf", R_OK)) |
3709 |
|
return 2; |
3710 |
|
|
3711 |
|
return 1; |
3712 |
|
} |
3713 |
|
|
3714 |
|
int checkForElilo(struct grubConfig * config) { |
3715 |
|
if (!access("/etc/elilo.conf", R_OK)) |
3716 |
|
return 2; |
3717 |
|
|
3718 |
|
return 1; |
3719 |
|
} |
3720 |
|
|
3721 |
static char * getRootSpecifier(char * str) { |
static char * getRootSpecifier(char * str) { |
3722 |
char * idx, * rootspec = NULL; |
char * idx, * rootspec = NULL; |
3723 |
|
|
3729 |
return rootspec; |
return rootspec; |
3730 |
} |
} |
3731 |
|
|
3732 |
|
static char * getInitrdVal(struct grubConfig * config, |
3733 |
|
const char * prefix, struct singleLine *tmplLine, |
3734 |
|
const char * newKernelInitrd, |
3735 |
|
const char ** extraInitrds, int extraInitrdCount) |
3736 |
|
{ |
3737 |
|
char *initrdVal, *end; |
3738 |
|
int i; |
3739 |
|
size_t totalSize; |
3740 |
|
size_t prefixLen; |
3741 |
|
char separatorChar; |
3742 |
|
|
3743 |
|
prefixLen = strlen(prefix); |
3744 |
|
totalSize = strlen(newKernelInitrd) - prefixLen + 1 /* \0 */; |
3745 |
|
|
3746 |
|
for (i = 0; i < extraInitrdCount; i++) { |
3747 |
|
totalSize += sizeof(separatorChar); |
3748 |
|
totalSize += strlen(extraInitrds[i]) - prefixLen; |
3749 |
|
} |
3750 |
|
|
3751 |
|
initrdVal = end = malloc(totalSize); |
3752 |
|
|
3753 |
|
end = stpcpy (end, newKernelInitrd + prefixLen); |
3754 |
|
|
3755 |
|
separatorChar = getKeywordByType(LT_INITRD, config->cfi)->separatorChar; |
3756 |
|
for (i = 0; i < extraInitrdCount; i++) { |
3757 |
|
const char *extraInitrd; |
3758 |
|
int j; |
3759 |
|
|
3760 |
|
extraInitrd = extraInitrds[i] + prefixLen; |
3761 |
|
/* Don't add entries that are already there */ |
3762 |
|
if (tmplLine != NULL) { |
3763 |
|
for (j = 2; j < tmplLine->numElements; j++) |
3764 |
|
if (strcmp(extraInitrd, tmplLine->elements[j].item) == 0) |
3765 |
|
break; |
3766 |
|
|
3767 |
|
if (j != tmplLine->numElements) |
3768 |
|
continue; |
3769 |
|
} |
3770 |
|
|
3771 |
|
*end++ = separatorChar; |
3772 |
|
end = stpcpy(end, extraInitrd); |
3773 |
|
} |
3774 |
|
|
3775 |
|
return initrdVal; |
3776 |
|
} |
3777 |
|
|
3778 |
int addNewKernel(struct grubConfig * config, struct singleEntry * template, |
int addNewKernel(struct grubConfig * config, struct singleEntry * template, |
3779 |
const char * prefix, |
const char * prefix, |
3780 |
char * newKernelPath, char * newKernelTitle, |
const char * newKernelPath, const char * newKernelTitle, |
3781 |
char * newKernelArgs, char * newKernelInitrd, |
const char * newKernelArgs, const char * newKernelInitrd, |
3782 |
char * newMBKernel, char * newMBKernelArgs) { |
const char ** extraInitrds, int extraInitrdCount, |
3783 |
|
const char * newMBKernel, const char * newMBKernelArgs, |
3784 |
|
const char * newDevTreePath) { |
3785 |
struct singleEntry * new; |
struct singleEntry * new; |
3786 |
struct singleLine * newLine = NULL, * tmplLine = NULL, * lastLine = NULL; |
struct singleLine * newLine = NULL, * tmplLine = NULL, * masterLine = NULL; |
3787 |
int needs; |
int needs; |
|
char * indent = NULL; |
|
|
char * rootspec = NULL; |
|
3788 |
char * chptr; |
char * chptr; |
|
int i; |
|
|
enum lineType_e type; |
|
3789 |
|
|
3790 |
if (!newKernelPath) return 0; |
if (!newKernelPath) return 0; |
3791 |
|
|
3815 |
config->entries = new; |
config->entries = new; |
3816 |
|
|
3817 |
/* copy/update from the template */ |
/* copy/update from the template */ |
3818 |
needs = KERNEL_KERNEL | KERNEL_INITRD | KERNEL_TITLE; |
needs = NEED_KERNEL | NEED_TITLE; |
3819 |
|
if (newKernelInitrd) |
3820 |
|
needs |= NEED_INITRD; |
3821 |
if (newMBKernel) { |
if (newMBKernel) { |
3822 |
needs |= KERNEL_MB; |
needs |= NEED_MB; |
3823 |
new->multiboot = 1; |
new->multiboot = 1; |
3824 |
} |
} |
3825 |
|
if (newDevTreePath && getKeywordByType(LT_DEVTREE, config->cfi)) |
3826 |
|
needs |= NEED_DEVTREE; |
3827 |
|
|
3828 |
if (template) { |
if (template) { |
3829 |
for (tmplLine = template->lines; tmplLine; tmplLine = tmplLine->next) { |
for (masterLine = template->lines; |
3830 |
/* remember the indention level; we may need it for new lines */ |
masterLine && (tmplLine = lineDup(masterLine)); |
3831 |
if (tmplLine->numElements) |
lineFree(tmplLine), masterLine = masterLine->next) |
3832 |
indent = tmplLine->indent; |
{ |
3833 |
|
dbgPrintf("addNewKernel processing %d\n", tmplLine->type); |
3834 |
|
|
3835 |
/* skip comments */ |
/* skip comments */ |
3836 |
chptr = tmplLine->indent; |
chptr = tmplLine->indent; |
3837 |
while (*chptr && isspace(*chptr)) chptr++; |
while (*chptr && isspace(*chptr)) chptr++; |
3838 |
if (*chptr == '#') continue; |
if (*chptr == '#') continue; |
3839 |
|
|
3840 |
/* we don't need an initrd here */ |
if (iskernel(tmplLine->type) && tmplLine->numElements >= 2) { |
3841 |
if (tmplLine->type == LT_INITRD && !newKernelInitrd) continue; |
if (!template->multiboot && (needs & NEED_MB)) { |
3842 |
|
/* it's not a multiboot template and this is the kernel |
3843 |
if (tmplLine->type == LT_KERNEL && |
* line. Try to be intelligent about inserting the |
3844 |
!template->multiboot && (needs & KERNEL_MB)) { |
* hypervisor at the same time. |
3845 |
struct singleLine *l; |
*/ |
3846 |
needs &= ~ KERNEL_MB; |
if (config->cfi->mbHyperFirst) { |
3847 |
|
/* insert the hypervisor first */ |
3848 |
l = addLine(new, config->cfi, LT_KERNEL, |
newLine = addLine(new, config->cfi, LT_HYPER, |
3849 |
config->secondaryIndent, |
tmplLine->indent, |
3850 |
newMBKernel + strlen(prefix)); |
newMBKernel + strlen(prefix)); |
3851 |
|
/* set up for adding the kernel line */ |
3852 |
tmplLine = lastLine; |
free(tmplLine->indent); |
3853 |
if (!new->lines) { |
tmplLine->indent = strdup(config->secondaryIndent); |
3854 |
new->lines = l; |
needs &= ~NEED_MB; |
3855 |
} else { |
} |
3856 |
newLine->next = l; |
if (needs & NEED_KERNEL) { |
3857 |
newLine = l; |
/* use addLineTmpl to preserve line elements, |
3858 |
} |
* otherwise we could just call addLine. Unfortunately |
3859 |
continue; |
* this means making some changes to the template |
3860 |
} else if (tmplLine->type == LT_KERNEL && |
* such as the indent change above and the type |
3861 |
template->multiboot && !new->multiboot) { |
* change below. |
3862 |
continue; /* don't need multiboot kernel here */ |
*/ |
3863 |
} |
struct keywordTypes * mbm_kw = |
3864 |
|
getKeywordByType(LT_MBMODULE, config->cfi); |
3865 |
if (!new->lines) { |
if (mbm_kw) { |
3866 |
newLine = malloc(sizeof(*newLine)); |
tmplLine->type = LT_MBMODULE; |
3867 |
new->lines = newLine; |
free(tmplLine->elements[0].item); |
3868 |
} else { |
tmplLine->elements[0].item = strdup(mbm_kw->key); |
3869 |
newLine->next = malloc(sizeof(*newLine)); |
} |
3870 |
newLine = newLine->next; |
newLine = addLineTmpl(new, tmplLine, newLine, |
3871 |
} |
newKernelPath + strlen(prefix), config->cfi); |
3872 |
|
needs &= ~NEED_KERNEL; |
3873 |
|
} |
3874 |
|
if (needs & NEED_MB) { /* !mbHyperFirst */ |
3875 |
|
newLine = addLine(new, config->cfi, LT_HYPER, |
3876 |
|
config->secondaryIndent, |
3877 |
|
newMBKernel + strlen(prefix)); |
3878 |
|
needs &= ~NEED_MB; |
3879 |
|
} |
3880 |
|
} else if (needs & NEED_KERNEL) { |
3881 |
|
newLine = addLineTmpl(new, tmplLine, newLine, |
3882 |
|
newKernelPath + strlen(prefix), config->cfi); |
3883 |
|
needs &= ~NEED_KERNEL; |
3884 |
|
} |
3885 |
|
|
3886 |
|
} else if (tmplLine->type == LT_HYPER && |
3887 |
|
tmplLine->numElements >= 2) { |
3888 |
|
if (needs & NEED_MB) { |
3889 |
|
newLine = addLineTmpl(new, tmplLine, newLine, |
3890 |
|
newMBKernel + strlen(prefix), config->cfi); |
3891 |
|
needs &= ~NEED_MB; |
3892 |
|
} |
3893 |
|
|
3894 |
newLine->indent = strdup(tmplLine->indent); |
} else if (tmplLine->type == LT_MBMODULE && |
3895 |
newLine->next = NULL; |
tmplLine->numElements >= 2) { |
3896 |
newLine->type = tmplLine->type; |
if (new->multiboot) { |
3897 |
newLine->numElements = tmplLine->numElements; |
if (needs & NEED_KERNEL) { |
3898 |
newLine->elements = malloc(sizeof(*newLine->elements) * |
newLine = addLineTmpl(new, tmplLine, newLine, |
3899 |
newLine->numElements); |
newKernelPath + |
3900 |
for (i = 0; i < newLine->numElements; i++) { |
strlen(prefix), config->cfi); |
3901 |
newLine->elements[i].item = strdup(tmplLine->elements[i].item); |
needs &= ~NEED_KERNEL; |
3902 |
newLine->elements[i].indent = |
} else if (config->cfi->mbInitRdIsModule && |
3903 |
strdup(tmplLine->elements[i].indent); |
(needs & NEED_INITRD)) { |
3904 |
} |
char *initrdVal; |
3905 |
|
initrdVal = getInitrdVal(config, prefix, tmplLine, |
3906 |
lastLine = tmplLine; |
newKernelInitrd, extraInitrds, |
3907 |
if (tmplLine->type == LT_KERNEL && tmplLine->numElements >= 2) { |
extraInitrdCount); |
3908 |
char * repl; |
newLine = addLineTmpl(new, tmplLine, newLine, |
3909 |
if (!template->multiboot) { |
initrdVal, config->cfi); |
3910 |
needs &= ~KERNEL_KERNEL; |
free(initrdVal); |
3911 |
repl = newKernelPath; |
needs &= ~NEED_INITRD; |
3912 |
} else { |
} |
3913 |
needs &= ~KERNEL_MB; |
} else if (needs & NEED_KERNEL) { |
3914 |
repl = newMBKernel; |
/* template is multi but new is not, |
3915 |
} |
* insert the kernel in the first module slot |
3916 |
if (new->multiboot && !template->multiboot) { |
*/ |
3917 |
free(newLine->elements[0].item); |
tmplLine->type = preferredLineType(LT_KERNEL, config->cfi); |
3918 |
newLine->elements[0].item = strdup("module"); |
free(tmplLine->elements[0].item); |
3919 |
newLine->type = LT_MBMODULE; |
tmplLine->elements[0].item = |
3920 |
} |
strdup(getKeywordByType(tmplLine->type, |
3921 |
free(newLine->elements[1].item); |
config->cfi)->key); |
3922 |
rootspec = getRootSpecifier(tmplLine->elements[1].item); |
newLine = addLineTmpl(new, tmplLine, newLine, |
3923 |
if (rootspec != NULL) { |
newKernelPath + strlen(prefix), |
3924 |
newLine->elements[1].item = sdupprintf("%s%s", |
config->cfi); |
3925 |
rootspec, |
needs &= ~NEED_KERNEL; |
3926 |
repl + |
} else if (needs & NEED_INITRD) { |
3927 |
strlen(prefix)); |
char *initrdVal; |
3928 |
} else { |
/* template is multi but new is not, |
3929 |
newLine->elements[1].item = strdup(repl + |
* insert the initrd in the second module slot |
3930 |
strlen(prefix)); |
*/ |
3931 |
} |
tmplLine->type = preferredLineType(LT_INITRD, config->cfi); |
3932 |
} else if (tmplLine->type == LT_MBMODULE && |
free(tmplLine->elements[0].item); |
3933 |
tmplLine->numElements >= 2 && (needs & KERNEL_KERNEL)) { |
tmplLine->elements[0].item = |
3934 |
needs &= ~KERNEL_KERNEL; |
strdup(getKeywordByType(tmplLine->type, |
3935 |
if (!new->multiboot && template->multiboot) { |
config->cfi)->key); |
3936 |
free(newLine->elements[0].item); |
initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount); |
3937 |
newLine->elements[0].item = strdup("kernel"); |
newLine = addLineTmpl(new, tmplLine, newLine, initrdVal, config->cfi); |
3938 |
newLine->type = LT_KERNEL; |
free(initrdVal); |
3939 |
} |
needs &= ~NEED_INITRD; |
3940 |
free(newLine->elements[1].item); |
} |
|
rootspec = getRootSpecifier(tmplLine->elements[1].item); |
|
|
if (rootspec != NULL) { |
|
|
newLine->elements[1].item = sdupprintf("%s%s", |
|
|
rootspec, |
|
|
newKernelPath + |
|
|
strlen(prefix)); |
|
|
} else { |
|
|
newLine->elements[1].item = strdup(newKernelPath + |
|
|
strlen(prefix)); |
|
|
} |
|
|
} else if (tmplLine->type == LT_INITRD && |
|
|
tmplLine->numElements >= 2) { |
|
|
needs &= ~KERNEL_INITRD; |
|
|
free(newLine->elements[1].item); |
|
|
if (new->multiboot && !template->multiboot) { |
|
|
free(newLine->elements[0].item); |
|
|
newLine->elements[0].item = strdup("module"); |
|
|
newLine->type = LT_MBMODULE; |
|
|
} |
|
|
rootspec = getRootSpecifier(tmplLine->elements[1].item); |
|
|
if (rootspec != NULL) { |
|
|
newLine->elements[1].item = sdupprintf("%s%s", |
|
|
rootspec, |
|
|
newKernelInitrd + |
|
|
strlen(prefix)); |
|
|
} else { |
|
|
newLine->elements[1].item = strdup(newKernelInitrd + |
|
|
strlen(prefix)); |
|
|
} |
|
|
} else if (tmplLine->type == LT_MBMODULE && |
|
|
tmplLine->numElements >= 2 && (needs & KERNEL_INITRD)) { |
|
|
needs &= ~KERNEL_INITRD; |
|
|
if (!new->multiboot && template->multiboot) { |
|
|
free(newLine->elements[0].item); |
|
|
newLine->elements[0].item = strdup("initrd"); |
|
|
newLine->type = LT_INITRD; |
|
|
} |
|
|
free(newLine->elements[1].item); |
|
|
rootspec = getRootSpecifier(tmplLine->elements[1].item); |
|
|
if (rootspec != NULL) { |
|
|
newLine->elements[1].item = sdupprintf("%s%s", |
|
|
rootspec, |
|
|
newKernelInitrd + |
|
|
strlen(prefix)); |
|
|
} else { |
|
|
newLine->elements[1].item = strdup(newKernelInitrd + |
|
|
strlen(prefix)); |
|
|
} |
|
|
} else if (tmplLine->type == LT_TITLE && |
|
|
tmplLine->numElements >= 2) { |
|
|
needs &= ~KERNEL_TITLE; |
|
3941 |
|
|
3942 |
for (i = 1; i < newLine->numElements; i++) { |
} else if (isinitrd(tmplLine->type) && tmplLine->numElements >= 2) { |
3943 |
free(newLine->elements[i].item); |
if (needs & NEED_INITRD && |
3944 |
free(newLine->elements[i].indent); |
new->multiboot && !template->multiboot && |
3945 |
|
config->cfi->mbInitRdIsModule) { |
3946 |
|
/* make sure we don't insert the module initrd |
3947 |
|
* before the module kernel... if we don't do it here, |
3948 |
|
* it will be inserted following the template. |
3949 |
|
*/ |
3950 |
|
if (!needs & NEED_KERNEL) { |
3951 |
|
char *initrdVal; |
3952 |
|
|
3953 |
|
initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount); |
3954 |
|
newLine = addLine(new, config->cfi, LT_MBMODULE, |
3955 |
|
config->secondaryIndent, |
3956 |
|
initrdVal); |
3957 |
|
free(initrdVal); |
3958 |
|
needs &= ~NEED_INITRD; |
3959 |
|
} |
3960 |
|
} else if (needs & NEED_INITRD) { |
3961 |
|
char *initrdVal; |
3962 |
|
initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount); |
3963 |
|
newLine = addLineTmpl(new, tmplLine, newLine, initrdVal, config->cfi); |
3964 |
|
free(initrdVal); |
3965 |
|
needs &= ~NEED_INITRD; |
3966 |
} |
} |
3967 |
|
|
3968 |
newLine->elements[1].item = strdup(newKernelTitle); |
} else if (tmplLine->type == LT_MENUENTRY && |
3969 |
newLine->elements[1].indent = strdup(""); |
(needs & NEED_TITLE)) { |
3970 |
newLine->numElements = 2; |
requote(tmplLine, config->cfi); |
3971 |
|
char *nkt = malloc(strlen(newKernelTitle)+3); |
3972 |
|
strcpy(nkt, "'"); |
3973 |
|
strcat(nkt, newKernelTitle); |
3974 |
|
strcat(nkt, "'"); |
3975 |
|
newLine = addLineTmpl(new, tmplLine, newLine, nkt, config->cfi); |
3976 |
|
free(nkt); |
3977 |
|
needs &= ~NEED_TITLE; |
3978 |
} else if (tmplLine->type == LT_TITLE && |
} else if (tmplLine->type == LT_TITLE && |
3979 |
config->cfi->titleBracketed && |
(needs & NEED_TITLE)) { |
3980 |
tmplLine->numElements == 1) { |
if (tmplLine->numElements >= 2) { |
3981 |
needs &= ~KERNEL_TITLE; |
newLine = addLineTmpl(new, tmplLine, newLine, |
3982 |
free(newLine->elements[0].item); |
newKernelTitle, config->cfi); |
3983 |
free(newLine->elements[0].indent); |
needs &= ~NEED_TITLE; |
3984 |
newLine->elements = malloc(sizeof(*newLine->elements) * |
} else if (tmplLine->numElements == 1 && |
3985 |
newLine->numElements); |
config->cfi->titleBracketed) { |
3986 |
|
/* addLineTmpl doesn't handle titleBracketed */ |
3987 |
newLine->elements[0].item = malloc(strlen(newKernelTitle) + 3); |
newLine = addLine(new, config->cfi, LT_TITLE, |
3988 |
sprintf(newLine->elements[0].item, "[%s]", newKernelTitle); |
tmplLine->indent, newKernelTitle); |
3989 |
newLine->elements[0].indent = strdup(""); |
needs &= ~NEED_TITLE; |
3990 |
newLine->numElements = 1; |
} |
3991 |
} |
} else if (tmplLine->type == LT_ECHO) { |
3992 |
|
requote(tmplLine, config->cfi); |
3993 |
|
static const char *prefix = "'Loading "; |
3994 |
|
if (tmplLine->numElements > 1 && |
3995 |
|
strstr(tmplLine->elements[1].item, prefix) && |
3996 |
|
masterLine->next && |
3997 |
|
iskernel(masterLine->next->type)) { |
3998 |
|
char *newTitle = malloc(strlen(prefix) + |
3999 |
|
strlen(newKernelTitle) + 2); |
4000 |
|
|
4001 |
|
strcpy(newTitle, prefix); |
4002 |
|
strcat(newTitle, newKernelTitle); |
4003 |
|
strcat(newTitle, "'"); |
4004 |
|
newLine = addLine(new, config->cfi, LT_ECHO, |
4005 |
|
tmplLine->indent, newTitle); |
4006 |
|
free(newTitle); |
4007 |
|
} else { |
4008 |
|
/* pass through other lines from the template */ |
4009 |
|
newLine = addLineTmpl(new, tmplLine, newLine, NULL, |
4010 |
|
config->cfi); |
4011 |
|
} |
4012 |
|
} else if (tmplLine->type == LT_DEVTREE && |
4013 |
|
tmplLine->numElements == 2 && newDevTreePath) { |
4014 |
|
newLine = addLineTmpl(new, tmplLine, newLine, |
4015 |
|
newDevTreePath + strlen(prefix), |
4016 |
|
config->cfi); |
4017 |
|
needs &= ~NEED_DEVTREE; |
4018 |
|
} else if (tmplLine->type == LT_ENTRY_END && needs & NEED_DEVTREE) { |
4019 |
|
const char *ndtp = newDevTreePath; |
4020 |
|
if (!strncmp(newDevTreePath, prefix, strlen(prefix))) |
4021 |
|
ndtp += strlen(prefix); |
4022 |
|
newLine = addLine(new, config->cfi, LT_DEVTREE, |
4023 |
|
config->secondaryIndent, |
4024 |
|
ndtp); |
4025 |
|
needs &= ~NEED_DEVTREE; |
4026 |
|
newLine = addLineTmpl(new, tmplLine, newLine, NULL, config->cfi); |
4027 |
|
} else { |
4028 |
|
/* pass through other lines from the template */ |
4029 |
|
newLine = addLineTmpl(new, tmplLine, newLine, NULL, config->cfi); |
4030 |
|
} |
4031 |
} |
} |
4032 |
|
|
4033 |
} else { |
} else { |
4034 |
for (i = 0; config->cfi->keywords[i].key; i++) { |
/* don't have a template, so start the entry with the |
4035 |
if ((config->cfi->keywords[i].type == config->cfi->entrySeparator) || (config->cfi->keywords[i].type == LT_OTHER)) |
* appropriate starting line |
4036 |
|
*/ |
4037 |
|
switch (config->cfi->entryStart) { |
4038 |
|
case LT_KERNEL: |
4039 |
|
case LT_KERNEL_EFI: |
4040 |
|
case LT_KERNEL_16: |
4041 |
|
if (new->multiboot && config->cfi->mbHyperFirst) { |
4042 |
|
/* fall through to LT_HYPER */ |
4043 |
|
} else { |
4044 |
|
newLine = addLine(new, config->cfi, |
4045 |
|
preferredLineType(LT_KERNEL, config->cfi), |
4046 |
|
config->primaryIndent, |
4047 |
|
newKernelPath + strlen(prefix)); |
4048 |
|
needs &= ~NEED_KERNEL; |
4049 |
|
break; |
4050 |
|
} |
4051 |
|
|
4052 |
|
case LT_HYPER: |
4053 |
|
newLine = addLine(new, config->cfi, LT_HYPER, |
4054 |
|
config->primaryIndent, |
4055 |
|
newMBKernel + strlen(prefix)); |
4056 |
|
needs &= ~NEED_MB; |
4057 |
break; |
break; |
|
} |
|
4058 |
|
|
4059 |
switch (config->cfi->keywords[i].type) { |
case LT_MENUENTRY: { |
4060 |
case LT_KERNEL: needs &= ~KERNEL_KERNEL, |
char *nkt = malloc(strlen(newKernelTitle)+3); |
4061 |
chptr = newKernelPath + strlen(prefix); |
strcpy(nkt, "'"); |
4062 |
type = LT_KERNEL; break; |
strcat(nkt, newKernelTitle); |
4063 |
case LT_TITLE: needs &= ~KERNEL_TITLE, chptr = newKernelTitle; |
strcat(nkt, "'"); |
4064 |
type = LT_TITLE; break; |
newLine = addLine(new, config->cfi, LT_MENUENTRY, |
4065 |
default: |
config->primaryIndent, nkt); |
4066 |
/* zipl strikes again */ |
free(nkt); |
4067 |
if (config->cfi->titleBracketed) { |
needs &= ~NEED_TITLE; |
4068 |
needs &= ~KERNEL_TITLE; |
needs |= NEED_END; |
4069 |
chptr = newKernelTitle; |
break; |
4070 |
type = LT_TITLE; |
} |
4071 |
break; |
case LT_TITLE: |
4072 |
} else { |
if( useextlinuxmenu != 0 ){ // We just need useextlinuxmenu to not be zero (set above) |
4073 |
abort(); |
char * templabel; |
4074 |
} |
int x = 0, y = 0; |
4075 |
} |
|
4076 |
|
templabel = strdup(newKernelTitle); |
4077 |
|
while( templabel[x]){ |
4078 |
|
if( templabel[x] == ' ' ){ |
4079 |
|
y = x; |
4080 |
|
while( templabel[y] ){ |
4081 |
|
templabel[y] = templabel[y+1]; |
4082 |
|
y++; |
4083 |
|
} |
4084 |
|
} |
4085 |
|
x++; |
4086 |
|
} |
4087 |
|
newLine = addLine(new, config->cfi, LT_TITLE, |
4088 |
|
config->primaryIndent, templabel); |
4089 |
|
free(templabel); |
4090 |
|
}else{ |
4091 |
|
newLine = addLine(new, config->cfi, LT_TITLE, |
4092 |
|
config->primaryIndent, newKernelTitle); |
4093 |
|
} |
4094 |
|
needs &= ~NEED_TITLE; |
4095 |
|
break; |
4096 |
|
|
4097 |
newLine = addLine(new, config->cfi, type, config->primaryIndent, chptr); |
default: |
4098 |
new->lines = newLine; |
abort(); |
4099 |
|
} |
4100 |
} |
} |
4101 |
|
|
4102 |
if (new->multiboot) { |
struct singleLine *endLine = NULL; |
4103 |
if (needs & KERNEL_MB) |
endLine = getLineByType(LT_ENTRY_END, new->lines); |
4104 |
newLine = addLine(new, config->cfi, LT_KERNEL, |
if (endLine) { |
4105 |
config->secondaryIndent, |
removeLine(new, endLine); |
4106 |
newMBKernel + strlen(prefix)); |
needs |= NEED_END; |
4107 |
if (needs & KERNEL_KERNEL) |
} |
4108 |
newLine = addLine(new, config->cfi, LT_MBMODULE, |
|
4109 |
config->secondaryIndent, |
/* add the remainder of the lines, i.e. those that either |
4110 |
newKernelPath + strlen(prefix)); |
* weren't present in the template, or in the case of no template, |
4111 |
/* don't need to check for title as it's guaranteed to have been |
* all the lines following the entryStart. |
4112 |
* done as we only do multiboot with grub which uses title as |
*/ |
4113 |
* a separator */ |
if (needs & NEED_TITLE) { |
4114 |
if (needs & KERNEL_INITRD && newKernelInitrd) |
newLine = addLine(new, config->cfi, LT_TITLE, |
4115 |
newLine = addLine(new, config->cfi, LT_MBMODULE, |
config->secondaryIndent, |
4116 |
config->secondaryIndent, |
newKernelTitle); |
4117 |
newKernelInitrd + strlen(prefix)); |
needs &= ~NEED_TITLE; |
4118 |
} else { |
} |
4119 |
if (needs & KERNEL_KERNEL) |
if ((needs & NEED_MB) && config->cfi->mbHyperFirst) { |
4120 |
newLine = addLine(new, config->cfi, LT_KERNEL, |
newLine = addLine(new, config->cfi, LT_HYPER, |
4121 |
config->secondaryIndent, |
config->secondaryIndent, |
4122 |
newKernelPath + strlen(prefix)); |
newMBKernel + strlen(prefix)); |
4123 |
if (needs & KERNEL_TITLE) |
needs &= ~NEED_MB; |
4124 |
newLine = addLine(new, config->cfi, LT_TITLE, |
} |
4125 |
config->secondaryIndent, |
if (needs & NEED_KERNEL) { |
4126 |
newKernelTitle); |
newLine = addLine(new, config->cfi, |
4127 |
if (needs & KERNEL_INITRD && newKernelInitrd) |
(new->multiboot && getKeywordByType(LT_MBMODULE, |
4128 |
newLine = addLine(new, config->cfi, LT_INITRD, |
config->cfi)) |
4129 |
config->secondaryIndent, |
? LT_MBMODULE |
4130 |
newKernelInitrd + strlen(prefix)); |
: preferredLineType(LT_KERNEL, config->cfi), |
4131 |
|
config->secondaryIndent, |
4132 |
|
newKernelPath + strlen(prefix)); |
4133 |
|
needs &= ~NEED_KERNEL; |
4134 |
|
} |
4135 |
|
if (needs & NEED_MB) { |
4136 |
|
newLine = addLine(new, config->cfi, LT_HYPER, |
4137 |
|
config->secondaryIndent, |
4138 |
|
newMBKernel + strlen(prefix)); |
4139 |
|
needs &= ~NEED_MB; |
4140 |
|
} |
4141 |
|
if (needs & NEED_INITRD) { |
4142 |
|
char *initrdVal; |
4143 |
|
initrdVal = getInitrdVal(config, prefix, NULL, newKernelInitrd, extraInitrds, extraInitrdCount); |
4144 |
|
newLine = addLine(new, config->cfi, |
4145 |
|
(new->multiboot && getKeywordByType(LT_MBMODULE, |
4146 |
|
config->cfi)) |
4147 |
|
? LT_MBMODULE |
4148 |
|
: preferredLineType(LT_INITRD, config->cfi), |
4149 |
|
config->secondaryIndent, |
4150 |
|
initrdVal); |
4151 |
|
free(initrdVal); |
4152 |
|
needs &= ~NEED_INITRD; |
4153 |
|
} |
4154 |
|
if (needs & NEED_DEVTREE) { |
4155 |
|
newLine = addLine(new, config->cfi, LT_DEVTREE, |
4156 |
|
config->secondaryIndent, |
4157 |
|
newDevTreePath); |
4158 |
|
needs &= ~NEED_DEVTREE; |
4159 |
|
} |
4160 |
|
|
4161 |
|
/* NEEDS_END must be last on bootloaders that need it... */ |
4162 |
|
if (needs & NEED_END) { |
4163 |
|
newLine = addLine(new, config->cfi, LT_ENTRY_END, |
4164 |
|
config->secondaryIndent, NULL); |
4165 |
|
needs &= ~NEED_END; |
4166 |
|
} |
4167 |
|
|
4168 |
|
if (needs) { |
4169 |
|
printf(_("grubby: needs=%d, aborting\n"), needs); |
4170 |
|
abort(); |
4171 |
} |
} |
4172 |
|
|
4173 |
if (updateImage(config, "0", prefix, newKernelArgs, NULL, |
if (updateImage(config, "0", prefix, newKernelArgs, NULL, |
4176 |
return 0; |
return 0; |
4177 |
} |
} |
4178 |
|
|
4179 |
|
static void traceback(int signum) |
4180 |
|
{ |
4181 |
|
void *array[40]; |
4182 |
|
size_t size; |
4183 |
|
|
4184 |
|
signal(SIGSEGV, SIG_DFL); |
4185 |
|
memset(array, '\0', sizeof (array)); |
4186 |
|
size = backtrace(array, 40); |
4187 |
|
|
4188 |
|
fprintf(stderr, "grubby received SIGSEGV! Backtrace (%ld):\n", |
4189 |
|
(unsigned long)size); |
4190 |
|
backtrace_symbols_fd(array, size, STDERR_FILENO); |
4191 |
|
exit(1); |
4192 |
|
} |
4193 |
|
|
4194 |
int main(int argc, const char ** argv) { |
int main(int argc, const char ** argv) { |
4195 |
poptContext optCon; |
poptContext optCon; |
4196 |
char * grubConfig = NULL; |
const char * grubConfig = NULL; |
4197 |
char * outputFile = NULL; |
char * outputFile = NULL; |
4198 |
int arg = 0; |
int arg = 0; |
4199 |
int flags = 0; |
int flags = 0; |
4200 |
int badImageOkay = 0; |
int badImageOkay = 0; |
4201 |
|
int configureGrub2 = 0; |
4202 |
int configureLilo = 0, configureELilo = 0, configureGrub = 0; |
int configureLilo = 0, configureELilo = 0, configureGrub = 0; |
4203 |
int configureYaboot = 0, configureSilo = 0, configureZipl = 0; |
int configureYaboot = 0, configureSilo = 0, configureZipl = 0; |
4204 |
|
int configureExtLinux = 0; |
4205 |
int bootloaderProbe = 0; |
int bootloaderProbe = 0; |
4206 |
|
int extraInitrdCount = 0; |
4207 |
char * updateKernelPath = NULL; |
char * updateKernelPath = NULL; |
4208 |
char * newKernelPath = NULL; |
char * newKernelPath = NULL; |
4209 |
char * removeKernelPath = NULL; |
char * removeKernelPath = NULL; |
4210 |
char * newKernelArgs = NULL; |
char * newKernelArgs = NULL; |
4211 |
char * newKernelInitrd = NULL; |
char * newKernelInitrd = NULL; |
4212 |
char * newKernelTitle = NULL; |
char * newKernelTitle = NULL; |
4213 |
char * newKernelVersion = NULL; |
char * newDevTreePath = NULL; |
4214 |
char * newMBKernel = NULL; |
char * newMBKernel = NULL; |
4215 |
char * newMBKernelArgs = NULL; |
char * newMBKernelArgs = NULL; |
4216 |
char * removeMBKernelArgs = NULL; |
char * removeMBKernelArgs = NULL; |
4219 |
char * defaultKernel = NULL; |
char * defaultKernel = NULL; |
4220 |
char * removeArgs = NULL; |
char * removeArgs = NULL; |
4221 |
char * kernelInfo = NULL; |
char * kernelInfo = NULL; |
4222 |
|
char * extraInitrds[MAX_EXTRA_INITRDS] = { NULL }; |
4223 |
|
char * envPath = NULL; |
4224 |
const char * chptr = NULL; |
const char * chptr = NULL; |
4225 |
struct configFileInfo * cfi = NULL; |
struct configFileInfo * cfi = NULL; |
4226 |
struct grubConfig * config; |
struct grubConfig * config; |
4227 |
struct singleEntry * template = NULL; |
struct singleEntry * template = NULL; |
4228 |
int copyDefault = 0, makeDefault = 0; |
int copyDefault = 0, makeDefault = 0; |
4229 |
int displayDefault = 0; |
int displayDefault = 0; |
4230 |
|
int displayDefaultIndex = 0; |
4231 |
|
int displayDefaultTitle = 0; |
4232 |
|
int defaultIndex = -1; |
4233 |
struct poptOption options[] = { |
struct poptOption options[] = { |
4234 |
{ "add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0, |
{ "add-kernel", 0, POPT_ARG_STRING, &newKernelPath, 0, |
4235 |
_("add an entry for the specified kernel"), _("kernel-path") }, |
_("add an entry for the specified kernel"), _("kernel-path") }, |
4247 |
{ "boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0, |
{ "boot-filesystem", 0, POPT_ARG_STRING, &bootPrefix, 0, |
4248 |
_("filestystem which contains /boot directory (for testing only)"), |
_("filestystem which contains /boot directory (for testing only)"), |
4249 |
_("bootfs") }, |
_("bootfs") }, |
4250 |
#if defined(__i386__) || defined(__x86_64__) |
#if defined(__i386__) || defined(__x86_64__) || defined (__powerpc64__) || defined (__ia64__) |
4251 |
{ "bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0, |
{ "bootloader-probe", 0, POPT_ARG_NONE, &bootloaderProbe, 0, |
4252 |
_("check if lilo is installed on lilo.conf boot sector") }, |
_("check which bootloader is installed on boot sector") }, |
4253 |
#endif |
#endif |
4254 |
{ "config-file", 'c', POPT_ARG_STRING, &grubConfig, 0, |
{ "config-file", 'c', POPT_ARG_STRING, &grubConfig, 0, |
4255 |
_("path to grub config file to update (\"-\" for stdin)"), |
_("path to grub config file to update (\"-\" for stdin)"), |
4260 |
"the kernel referenced by the default image does not exist, " |
"the kernel referenced by the default image does not exist, " |
4261 |
"the first linux entry whose kernel does exist is used as the " |
"the first linux entry whose kernel does exist is used as the " |
4262 |
"template"), NULL }, |
"template"), NULL }, |
4263 |
|
{ "debug", 0, 0, &debug, 0, |
4264 |
|
_("print debugging information for failures") }, |
4265 |
{ "default-kernel", 0, 0, &displayDefault, 0, |
{ "default-kernel", 0, 0, &displayDefault, 0, |
4266 |
_("display the path of the default kernel") }, |
_("display the path of the default kernel") }, |
4267 |
|
{ "default-index", 0, 0, &displayDefaultIndex, 0, |
4268 |
|
_("display the index of the default kernel") }, |
4269 |
|
{ "default-title", 0, 0, &displayDefaultTitle, 0, |
4270 |
|
_("display the title of the default kernel") }, |
4271 |
|
{ "devtree", 0, POPT_ARG_STRING, &newDevTreePath, 0, |
4272 |
|
_("device tree file for new stanza"), _("dtb-path") }, |
4273 |
{ "elilo", 0, POPT_ARG_NONE, &configureELilo, 0, |
{ "elilo", 0, POPT_ARG_NONE, &configureELilo, 0, |
4274 |
_("configure elilo bootloader") }, |
_("configure elilo bootloader") }, |
4275 |
|
{ "efi", 0, POPT_ARG_NONE, &isEfi, 0, |
4276 |
|
_("force grub2 stanzas to use efi") }, |
4277 |
|
{ "env", 0, POPT_ARG_STRING, &envPath, 0, |
4278 |
|
_("path for environment data"), |
4279 |
|
_("path") }, |
4280 |
|
{ "extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0, |
4281 |
|
_("configure extlinux bootloader (from syslinux)") }, |
4282 |
{ "grub", 0, POPT_ARG_NONE, &configureGrub, 0, |
{ "grub", 0, POPT_ARG_NONE, &configureGrub, 0, |
4283 |
_("configure grub bootloader") }, |
_("configure grub bootloader") }, |
4284 |
|
{ "grub2", 0, POPT_ARG_NONE, &configureGrub2, 0, |
4285 |
|
_("configure grub2 bootloader") }, |
4286 |
{ "info", 0, POPT_ARG_STRING, &kernelInfo, 0, |
{ "info", 0, POPT_ARG_STRING, &kernelInfo, 0, |
4287 |
_("display boot information for specified kernel"), |
_("display boot information for specified kernel"), |
4288 |
_("kernel-path") }, |
_("kernel-path") }, |
4289 |
{ "initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0, |
{ "initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0, |
4290 |
_("initrd image for the new kernel"), _("initrd-path") }, |
_("initrd image for the new kernel"), _("initrd-path") }, |
4291 |
|
{ "extra-initrd", 'i', POPT_ARG_STRING, NULL, 'i', |
4292 |
|
_("auxiliary initrd image for things other than the new kernel"), _("initrd-path") }, |
4293 |
{ "lilo", 0, POPT_ARG_NONE, &configureLilo, 0, |
{ "lilo", 0, POPT_ARG_NONE, &configureLilo, 0, |
4294 |
_("configure lilo bootloader") }, |
_("configure lilo bootloader") }, |
4295 |
{ "make-default", 0, 0, &makeDefault, 0, |
{ "make-default", 0, 0, &makeDefault, 0, |
4309 |
{ "set-default", 0, POPT_ARG_STRING, &defaultKernel, 0, |
{ "set-default", 0, POPT_ARG_STRING, &defaultKernel, 0, |
4310 |
_("make the first entry referencing the specified kernel " |
_("make the first entry referencing the specified kernel " |
4311 |
"the default"), _("kernel-path") }, |
"the default"), _("kernel-path") }, |
4312 |
|
{ "set-default-index", 0, POPT_ARG_INT, &defaultIndex, 0, |
4313 |
|
_("make the given entry index the default entry"), |
4314 |
|
_("entry-index") }, |
4315 |
{ "silo", 0, POPT_ARG_NONE, &configureSilo, 0, |
{ "silo", 0, POPT_ARG_NONE, &configureSilo, 0, |
4316 |
_("configure silo bootloader") }, |
_("configure silo bootloader") }, |
4317 |
{ "title", 0, POPT_ARG_STRING, &newKernelTitle, 0, |
{ "title", 0, POPT_ARG_STRING, &newKernelTitle, 0, |
4329 |
{ 0, 0, 0, 0, 0 } |
{ 0, 0, 0, 0, 0 } |
4330 |
}; |
}; |
4331 |
|
|
4332 |
|
useextlinuxmenu=0; |
4333 |
|
|
4334 |
|
signal(SIGSEGV, traceback); |
4335 |
|
|
4336 |
|
int i = 0; |
4337 |
|
for (int j = 1; j < argc; j++) |
4338 |
|
i += strlen(argv[j]) + 1; |
4339 |
|
saved_command_line = malloc(i); |
4340 |
|
if (!saved_command_line) { |
4341 |
|
fprintf(stderr, "grubby: %m\n"); |
4342 |
|
exit(1); |
4343 |
|
} |
4344 |
|
saved_command_line[0] = '\0'; |
4345 |
|
for (int j = 1; j < argc; j++) { |
4346 |
|
strcat(saved_command_line, argv[j]); |
4347 |
|
strncat(saved_command_line, j == argc -1 ? "" : " ", 1); |
4348 |
|
} |
4349 |
|
|
4350 |
optCon = poptGetContext("grubby", argc, argv, options, 0); |
optCon = poptGetContext("grubby", argc, argv, options, 0); |
4351 |
poptReadDefaultConfig(optCon, 1); |
poptReadDefaultConfig(optCon, 1); |
4352 |
|
|
4356 |
printf("grubby version %s\n", VERSION); |
printf("grubby version %s\n", VERSION); |
4357 |
exit(0); |
exit(0); |
4358 |
break; |
break; |
4359 |
|
case 'i': |
4360 |
|
if (extraInitrdCount < MAX_EXTRA_INITRDS) { |
4361 |
|
extraInitrds[extraInitrdCount++] = strdup(poptGetOptArg(optCon)); |
4362 |
|
} else { |
4363 |
|
fprintf(stderr, _("grubby: extra initrd maximum is %d\n"), extraInitrdCount); |
4364 |
|
return 1; |
4365 |
|
} |
4366 |
|
break; |
4367 |
} |
} |
4368 |
} |
} |
4369 |
|
|
4379 |
return 1; |
return 1; |
4380 |
} |
} |
4381 |
|
|
4382 |
if ((configureLilo + configureGrub + configureELilo + |
if ((configureLilo + configureGrub2 + configureGrub + configureELilo + |
4383 |
configureYaboot + configureSilo + configureZipl) > 1) { |
configureYaboot + configureSilo + configureZipl + |
4384 |
|
configureExtLinux ) > 1) { |
4385 |
fprintf(stderr, _("grubby: cannot specify multiple bootloaders\n")); |
fprintf(stderr, _("grubby: cannot specify multiple bootloaders\n")); |
4386 |
return 1; |
return 1; |
4387 |
} else if (bootloaderProbe && grubConfig) { |
} else if (bootloaderProbe && grubConfig) { |
4388 |
fprintf(stderr, |
fprintf(stderr, |
4389 |
_("grubby: cannot specify config file with --bootloader-probe\n")); |
_("grubby: cannot specify config file with --bootloader-probe\n")); |
4390 |
return 1; |
return 1; |
4391 |
|
} else if (configureGrub2) { |
4392 |
|
cfi = &grub2ConfigType; |
4393 |
|
if (envPath) |
4394 |
|
cfi->envFile = envPath; |
4395 |
} else if (configureLilo) { |
} else if (configureLilo) { |
4396 |
cfi = &liloConfigType; |
cfi = &liloConfigType; |
4397 |
} else if (configureGrub) { |
} else if (configureGrub) { |
4404 |
cfi = &siloConfigType; |
cfi = &siloConfigType; |
4405 |
} else if (configureZipl) { |
} else if (configureZipl) { |
4406 |
cfi = &ziplConfigType; |
cfi = &ziplConfigType; |
4407 |
|
} else if (configureExtLinux) { |
4408 |
|
cfi = &extlinuxConfigType; |
4409 |
|
useextlinuxmenu=1; |
4410 |
} |
} |
4411 |
|
|
4412 |
if (!cfi) { |
if (!cfi) { |
4413 |
|
if (grub2FindConfig(&grub2ConfigType)) |
4414 |
|
cfi = &grub2ConfigType; |
4415 |
|
else |
4416 |
#ifdef __ia64__ |
#ifdef __ia64__ |
4417 |
cfi = &eliloConfigType; |
cfi = &eliloConfigType; |
4418 |
#elif __powerpc__ |
#elif __powerpc__ |
4419 |
cfi = &yabootConfigType; |
cfi = &yabootConfigType; |
4420 |
#elif __sparc__ |
#elif __sparc__ |
4421 |
cfi = &siloConfigType; |
cfi = &siloConfigType; |
4422 |
#elif __s390__ |
#elif __s390__ |
4423 |
cfi = &ziplConfigType; |
cfi = &ziplConfigType; |
4424 |
#elif __s390x__ |
#elif __s390x__ |
4425 |
cfi = &ziplConfigtype; |
cfi = &ziplConfigtype; |
4426 |
#else |
#else |
4427 |
cfi = &grubConfigType; |
cfi = &grubConfigType; |
4428 |
#endif |
#endif |
4429 |
} |
} |
4430 |
|
|
4431 |
if (!grubConfig) |
if (!grubConfig) { |
4432 |
grubConfig = cfi->defaultConfig; |
if (cfi->findConfig) |
4433 |
|
grubConfig = cfi->findConfig(cfi); |
4434 |
|
if (!grubConfig) |
4435 |
|
grubConfig = cfi->defaultConfig; |
4436 |
|
} |
4437 |
|
|
4438 |
if (bootloaderProbe && (displayDefault || kernelInfo || newKernelVersion || |
if (bootloaderProbe && (displayDefault || kernelInfo || |
4439 |
newKernelPath || removeKernelPath || makeDefault || |
newKernelPath || removeKernelPath || makeDefault || |
4440 |
defaultKernel)) { |
defaultKernel || displayDefaultIndex || displayDefaultTitle || |
4441 |
|
(defaultIndex >= 0))) { |
4442 |
fprintf(stderr, _("grubby: --bootloader-probe may not be used with " |
fprintf(stderr, _("grubby: --bootloader-probe may not be used with " |
4443 |
"specified option")); |
"specified option")); |
4444 |
return 1; |
return 1; |
4445 |
} |
} |
4446 |
|
|
4447 |
if ((displayDefault || kernelInfo) && (newKernelVersion || newKernelPath || |
if ((displayDefault || kernelInfo) && (newKernelPath || |
4448 |
removeKernelPath)) { |
removeKernelPath)) { |
4449 |
fprintf(stderr, _("grubby: --default-kernel and --info may not " |
fprintf(stderr, _("grubby: --default-kernel and --info may not " |
4450 |
"be used when adding or removing kernels\n")); |
"be used when adding or removing kernels\n")); |
4454 |
if (newKernelPath && !newKernelTitle) { |
if (newKernelPath && !newKernelTitle) { |
4455 |
fprintf(stderr, _("grubby: kernel title must be specified\n")); |
fprintf(stderr, _("grubby: kernel title must be specified\n")); |
4456 |
return 1; |
return 1; |
4457 |
} else if (!newKernelPath && (newKernelTitle || newKernelInitrd || |
} else if (!newKernelPath && (copyDefault || |
4458 |
newKernelInitrd || copyDefault || |
(newKernelInitrd && !updateKernelPath)|| |
4459 |
makeDefault)) { |
makeDefault || extraInitrdCount > 0)) { |
4460 |
fprintf(stderr, _("grubby: kernel path expected\n")); |
fprintf(stderr, _("grubby: kernel path expected\n")); |
4461 |
return 1; |
return 1; |
4462 |
} |
} |
4480 |
makeDefault = 1; |
makeDefault = 1; |
4481 |
defaultKernel = NULL; |
defaultKernel = NULL; |
4482 |
} |
} |
4483 |
|
else if (defaultKernel && (defaultIndex >= 0)) { |
4484 |
|
fprintf(stderr, _("grubby: --set-default and --set-default-index " |
4485 |
|
"may not be used together\n")); |
4486 |
|
return 1; |
4487 |
|
} |
4488 |
|
|
4489 |
if (!strcmp(grubConfig, "-") && !outputFile) { |
if (grubConfig && !strcmp(grubConfig, "-") && !outputFile) { |
4490 |
fprintf(stderr, _("grubby: output file must be specified if stdin " |
fprintf(stderr, _("grubby: output file must be specified if stdin " |
4491 |
"is used\n")); |
"is used\n")); |
4492 |
return 1; |
return 1; |
4493 |
} |
} |
4494 |
|
|
4495 |
if (!removeKernelPath && !newKernelPath && !displayDefault && !defaultKernel |
if (!removeKernelPath && !newKernelPath && !displayDefault && !defaultKernel |
4496 |
&& !kernelInfo && !bootloaderProbe && !updateKernelPath |
&& !kernelInfo && !bootloaderProbe && !updateKernelPath |
4497 |
&& !removeMBKernel) { |
&& !removeMBKernel && !displayDefaultIndex && !displayDefaultTitle |
4498 |
|
&& (defaultIndex == -1)) { |
4499 |
fprintf(stderr, _("grubby: no action specified\n")); |
fprintf(stderr, _("grubby: no action specified\n")); |
4500 |
return 1; |
return 1; |
4501 |
} |
} |
4515 |
bootPrefix = ""; |
bootPrefix = ""; |
4516 |
} |
} |
4517 |
|
|
4518 |
|
if (!cfi->mbAllowExtraInitRds && |
4519 |
|
extraInitrdCount > 0) { |
4520 |
|
fprintf(stderr, _("grubby: %s doesn't allow multiple initrds\n"), cfi->defaultConfig); |
4521 |
|
return 1; |
4522 |
|
} |
4523 |
|
|
4524 |
if (bootloaderProbe) { |
if (bootloaderProbe) { |
4525 |
int lrc = 0, grc = 0; |
int lrc = 0, grc = 0, gr2c = 0, extrc = 0, yrc = 0, erc = 0; |
4526 |
struct grubConfig * lconfig, * gconfig; |
struct grubConfig * lconfig, * gconfig, * yconfig, * econfig; |
4527 |
|
|
4528 |
|
const char *grub2config = grub2FindConfig(&grub2ConfigType); |
4529 |
|
if (grub2config) { |
4530 |
|
gconfig = readConfig(grub2config, &grub2ConfigType); |
4531 |
|
if (!gconfig) |
4532 |
|
gr2c = 1; |
4533 |
|
else |
4534 |
|
gr2c = checkForGrub2(gconfig); |
4535 |
|
} |
4536 |
|
|
4537 |
if (!access(grubConfigType.defaultConfig, F_OK)) { |
const char *grubconfig = grubFindConfig(&grubConfigType); |
4538 |
gconfig = readConfig(grubConfigType.defaultConfig, &grubConfigType); |
if (!access(grubconfig, F_OK)) { |
4539 |
|
gconfig = readConfig(grubconfig, &grubConfigType); |
4540 |
if (!gconfig) |
if (!gconfig) |
4541 |
grc = 1; |
grc = 1; |
4542 |
else |
else |
4551 |
lrc = checkForLilo(lconfig); |
lrc = checkForLilo(lconfig); |
4552 |
} |
} |
4553 |
|
|
4554 |
if (lrc == 1 || grc == 1) return 1; |
if (!access(eliloConfigType.defaultConfig, F_OK)) { |
4555 |
|
econfig = readConfig(eliloConfigType.defaultConfig, |
4556 |
|
&eliloConfigType); |
4557 |
|
if (!econfig) |
4558 |
|
erc = 1; |
4559 |
|
else |
4560 |
|
erc = checkForElilo(econfig); |
4561 |
|
} |
4562 |
|
|
4563 |
|
if (!access(extlinuxConfigType.defaultConfig, F_OK)) { |
4564 |
|
lconfig = readConfig(extlinuxConfigType.defaultConfig, &extlinuxConfigType); |
4565 |
|
if (!lconfig) |
4566 |
|
extrc = 1; |
4567 |
|
else |
4568 |
|
extrc = checkForExtLinux(lconfig); |
4569 |
|
} |
4570 |
|
|
4571 |
|
|
4572 |
|
if (!access(yabootConfigType.defaultConfig, F_OK)) { |
4573 |
|
yconfig = readConfig(yabootConfigType.defaultConfig, |
4574 |
|
&yabootConfigType); |
4575 |
|
if (!yconfig) |
4576 |
|
yrc = 1; |
4577 |
|
else |
4578 |
|
yrc = checkForYaboot(yconfig); |
4579 |
|
} |
4580 |
|
|
4581 |
|
if (lrc == 1 || grc == 1 || gr2c == 1 || extrc == 1 || yrc == 1 || |
4582 |
|
erc == 1) |
4583 |
|
return 1; |
4584 |
|
|
4585 |
if (lrc == 2) printf("lilo\n"); |
if (lrc == 2) printf("lilo\n"); |
4586 |
|
if (gr2c == 2) printf("grub2\n"); |
4587 |
if (grc == 2) printf("grub\n"); |
if (grc == 2) printf("grub\n"); |
4588 |
|
if (extrc == 2) printf("extlinux\n"); |
4589 |
|
if (yrc == 2) printf("yaboot\n"); |
4590 |
|
if (erc == 2) printf("elilo\n"); |
4591 |
|
|
4592 |
return 0; |
return 0; |
4593 |
} |
} |
4594 |
|
|
4595 |
|
if (grubConfig == NULL) { |
4596 |
|
printf("Could not find bootloader configuration file.\n"); |
4597 |
|
exit(1); |
4598 |
|
} |
4599 |
|
|
4600 |
config = readConfig(grubConfig, cfi); |
config = readConfig(grubConfig, cfi); |
4601 |
if (!config) return 1; |
if (!config) return 1; |
4602 |
|
|
4606 |
char * rootspec; |
char * rootspec; |
4607 |
|
|
4608 |
if (config->defaultImage == -1) return 0; |
if (config->defaultImage == -1) return 0; |
4609 |
|
if (config->defaultImage == DEFAULT_SAVED_GRUB2 && |
4610 |
|
cfi->defaultIsSaved) |
4611 |
|
config->defaultImage = 0; |
4612 |
entry = findEntryByIndex(config, config->defaultImage); |
entry = findEntryByIndex(config, config->defaultImage); |
4613 |
if (!entry) return 0; |
if (!entry) return 0; |
4614 |
if (!suitableImage(entry, bootPrefix, 0, flags)) return 0; |
if (!suitableImage(entry, bootPrefix, 0, flags)) return 0; |
4615 |
|
|
4616 |
line = entry->lines; |
line = getLineByType(LT_KERNEL|LT_HYPER|LT_KERNEL_EFI|LT_KERNEL_16, entry->lines); |
|
while (line && line->type != LT_KERNEL) line = line->next; |
|
4617 |
if (!line) return 0; |
if (!line) return 0; |
4618 |
|
|
4619 |
rootspec = getRootSpecifier(line->elements[1].item); |
rootspec = getRootSpecifier(line->elements[1].item); |
4621 |
((rootspec != NULL) ? strlen(rootspec) : 0)); |
((rootspec != NULL) ? strlen(rootspec) : 0)); |
4622 |
|
|
4623 |
return 0; |
return 0; |
4624 |
|
|
4625 |
|
} else if (displayDefaultTitle) { |
4626 |
|
struct singleLine * line; |
4627 |
|
struct singleEntry * entry; |
4628 |
|
|
4629 |
|
if (config->defaultImage == -1) return 0; |
4630 |
|
if (config->defaultImage == DEFAULT_SAVED_GRUB2 && |
4631 |
|
cfi->defaultIsSaved) |
4632 |
|
config->defaultImage = 0; |
4633 |
|
entry = findEntryByIndex(config, config->defaultImage); |
4634 |
|
if (!entry) return 0; |
4635 |
|
|
4636 |
|
if (!configureGrub2) { |
4637 |
|
line = getLineByType(LT_TITLE, entry->lines); |
4638 |
|
if (!line) return 0; |
4639 |
|
printf("%s\n", line->elements[1].item); |
4640 |
|
|
4641 |
|
} else { |
4642 |
|
char * title; |
4643 |
|
|
4644 |
|
dbgPrintf("This is GRUB2, default title is embeded in menuentry\n"); |
4645 |
|
line = getLineByType(LT_MENUENTRY, entry->lines); |
4646 |
|
if (!line) return 0; |
4647 |
|
title = grub2ExtractTitle(line); |
4648 |
|
if (title) |
4649 |
|
printf("%s\n", title); |
4650 |
|
} |
4651 |
|
return 0; |
4652 |
|
|
4653 |
|
} else if (displayDefaultIndex) { |
4654 |
|
if (config->defaultImage == -1) return 0; |
4655 |
|
if (config->defaultImage == DEFAULT_SAVED_GRUB2 && |
4656 |
|
cfi->defaultIsSaved) |
4657 |
|
config->defaultImage = 0; |
4658 |
|
printf("%i\n", config->defaultImage); |
4659 |
|
return 0; |
4660 |
|
|
4661 |
} else if (kernelInfo) |
} else if (kernelInfo) |
4662 |
return displayInfo(config, kernelInfo, bootPrefix); |
return displayInfo(config, kernelInfo, bootPrefix); |
4663 |
|
|
4669 |
markRemovedImage(config, removeKernelPath, bootPrefix); |
markRemovedImage(config, removeKernelPath, bootPrefix); |
4670 |
markRemovedImage(config, removeMBKernel, bootPrefix); |
markRemovedImage(config, removeMBKernel, bootPrefix); |
4671 |
setDefaultImage(config, newKernelPath != NULL, defaultKernel, makeDefault, |
setDefaultImage(config, newKernelPath != NULL, defaultKernel, makeDefault, |
4672 |
bootPrefix, flags); |
bootPrefix, flags, defaultIndex); |
4673 |
setFallbackImage(config, newKernelPath != NULL); |
setFallbackImage(config, newKernelPath != NULL); |
4674 |
if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs, |
if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs, |
4675 |
removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1; |
removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1; |
4676 |
|
if (updateKernelPath && newKernelInitrd) { |
4677 |
|
if (newMBKernel) { |
4678 |
|
if (addMBInitrd(config, newMBKernel, updateKernelPath, |
4679 |
|
bootPrefix, newKernelInitrd, |
4680 |
|
newKernelTitle)) |
4681 |
|
return 1; |
4682 |
|
} else { |
4683 |
|
if (updateInitrd(config, updateKernelPath, bootPrefix, |
4684 |
|
newKernelInitrd, newKernelTitle)) |
4685 |
|
return 1; |
4686 |
|
} |
4687 |
|
} |
4688 |
if (addNewKernel(config, template, bootPrefix, newKernelPath, |
if (addNewKernel(config, template, bootPrefix, newKernelPath, |
4689 |
newKernelTitle, newKernelArgs, newKernelInitrd, |
newKernelTitle, newKernelArgs, newKernelInitrd, |
4690 |
newMBKernel, newMBKernelArgs)) return 1; |
(const char **)extraInitrds, extraInitrdCount, |
4691 |
|
newMBKernel, newMBKernelArgs, newDevTreePath)) return 1; |
4692 |
|
|
4693 |
|
|
4694 |
if (numEntries(config) == 0) { |
if (numEntries(config) == 0) { |
4698 |
} |
} |
4699 |
|
|
4700 |
if (!outputFile) |
if (!outputFile) |
4701 |
outputFile = grubConfig; |
outputFile = (char *)grubConfig; |
4702 |
|
|
4703 |
return writeConfig(config, outputFile, bootPrefix); |
return writeConfig(config, outputFile, bootPrefix); |
4704 |
} |
} |