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/* Copyright (C) 2001-2005 Red Hat, Inc. |
/* |
2 |
|
* 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 |
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#endif |
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#include <ctype.h> |
#include <ctype.h> |
25 |
#include <errno.h> |
#include <errno.h> |
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#include <fcntl.h> |
#include <fcntl.h> |
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#include <string.h> |
#include <string.h> |
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#include <sys/stat.h> |
#include <sys/stat.h> |
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#include <unistd.h> |
#include <unistd.h> |
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#include <libgen.h> |
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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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#define DEBUG 0 |
40 |
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|
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#include "mount_by_label.h" |
#if DEBUG |
42 |
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#define dbgPrintf(format, args...) fprintf(stderr, format , ## args) |
43 |
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#else |
44 |
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#define dbgPrintf(format, args...) |
45 |
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#endif |
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|
47 |
#define _(A) (A) |
#define _(A) (A) |
48 |
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49 |
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#define MAX_EXTRA_INITRDS 16 /* code segment checked by --bootloader-probe */ |
50 |
#define CODE_SEG_SIZE 128 /* code segment checked by --bootloader-probe */ |
#define CODE_SEG_SIZE 128 /* code segment checked by --bootloader-probe */ |
51 |
|
|
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/* comments get lumped in with indention */ |
/* comments get lumped in with indention */ |
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char * indent; |
char * indent; |
56 |
}; |
}; |
57 |
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|
58 |
enum lineType_e { LT_WHITESPACE, LT_TITLE, LT_KERNEL, LT_INITRD, LT_DEFAULT, |
enum lineType_e { |
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LT_UNKNOWN, LT_ROOT, LT_FALLBACK, LT_KERNELARGS, LT_BOOT, |
LT_WHITESPACE = 1 << 0, |
60 |
LT_BOOTROOT, LT_LBA, LT_MBMODULE, LT_OTHER, LT_GENERIC }; |
LT_TITLE = 1 << 1, |
61 |
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LT_KERNEL = 1 << 2, |
62 |
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LT_INITRD = 1 << 3, |
63 |
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LT_HYPER = 1 << 4, |
64 |
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LT_DEFAULT = 1 << 5, |
65 |
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LT_MBMODULE = 1 << 6, |
66 |
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LT_ROOT = 1 << 7, |
67 |
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LT_FALLBACK = 1 << 8, |
68 |
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LT_KERNELARGS = 1 << 9, |
69 |
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LT_BOOT = 1 << 10, |
70 |
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LT_BOOTROOT = 1 << 11, |
71 |
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LT_LBA = 1 << 12, |
72 |
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LT_OTHER = 1 << 13, |
73 |
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LT_GENERIC = 1 << 14, |
74 |
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LT_UNKNOWN = 1 << 15, |
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}; |
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|
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struct singleLine { |
struct singleLine { |
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char * indent; |
char * indent; |
93 |
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|
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#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 */ |
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|
|
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#define KERNEL_KERNEL (1 << 0) |
/* These defines are (only) used in addNewKernel() */ |
97 |
#define KERNEL_INITRD (1 << 2) |
#define NEED_KERNEL (1 << 0) |
98 |
#define KERNEL_TITLE (1 << 3) |
#define NEED_INITRD (1 << 1) |
99 |
#define KERNEL_ARGS (1 << 4) |
#define NEED_TITLE (1 << 2) |
100 |
#define KERNEL_MB (1 << 5) |
#define NEED_ARGS (1 << 3) |
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#define NEED_MB (1 << 4) |
102 |
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|
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#define MAIN_DEFAULT (1 << 0) |
#define MAIN_DEFAULT (1 << 0) |
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#define DEFAULT_SAVED -2 |
#define DEFAULT_SAVED -2 |
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char * key; |
char * key; |
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enum lineType_e type; |
enum lineType_e type; |
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char nextChar; |
char nextChar; |
110 |
} ; |
char separatorChar; |
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}; |
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|
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struct configFileInfo { |
struct configFileInfo { |
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char * defaultConfig; |
char * defaultConfig; |
120 |
int argsInQuotes; |
int argsInQuotes; |
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int maxTitleLength; |
int maxTitleLength; |
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int titleBracketed; |
int titleBracketed; |
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int mbHyperFirst; |
124 |
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int mbInitRdIsModule; |
125 |
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int mbConcatArgs; |
126 |
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int mbAllowExtraInitRds; |
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}; |
}; |
128 |
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|
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struct keywordTypes grubKeywords[] = { |
struct keywordTypes grubKeywords[] = { |
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{ "default", LT_DEFAULT, ' ' }, |
{ "default", LT_DEFAULT, ' ' }, |
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{ "fallback", LT_FALLBACK, ' ' }, |
{ "fallback", LT_FALLBACK, ' ' }, |
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{ "kernel", LT_KERNEL, ' ' }, |
{ "kernel", LT_KERNEL, ' ' }, |
135 |
{ "initrd", LT_INITRD, ' ' }, |
{ "initrd", LT_INITRD, ' ', ' ' }, |
136 |
{ "module", LT_MBMODULE, ' ' }, |
{ "module", LT_MBMODULE, ' ' }, |
137 |
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{ "kernel", LT_HYPER, ' ' }, |
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{ NULL, 0, 0 }, |
{ NULL, 0, 0 }, |
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}; |
}; |
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|
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struct configFileInfo grubConfigType = { |
struct configFileInfo grubConfigType = { |
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"/boot/grub/grub.conf", /* defaultConfig */ |
"/boot/grub/grub.conf", /* defaultConfig */ |
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grubKeywords, /* keywords */ |
grubKeywords, /* keywords */ |
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1, /* defaultIsIndex */ |
1, /* defaultIsIndex */ |
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1, /* defaultSupportSaved */ |
1, /* defaultSupportSaved */ |
148 |
0, /* argsInQuotes */ |
0, /* argsInQuotes */ |
149 |
0, /* maxTitleLength */ |
0, /* maxTitleLength */ |
150 |
0, /* titleBracketed */ |
0, /* titleBracketed */ |
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1, /* mbHyperFirst */ |
152 |
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1, /* mbInitRdIsModule */ |
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0, /* mbConcatArgs */ |
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1, /* mbAllowExtraInitRds */ |
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}; |
}; |
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|
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struct keywordTypes yabootKeywords[] = { |
struct keywordTypes yabootKeywords[] = { |
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{ "partition", LT_GENERIC, '=' }, |
{ "partition", LT_GENERIC, '=' }, |
186 |
{ "device", LT_GENERIC, '=' }, |
{ "device", LT_GENERIC, '=' }, |
187 |
{ "fstype", LT_GENERIC, '=' }, |
{ "fstype", LT_GENERIC, '=' }, |
188 |
{ "initrd", LT_INITRD, '=' }, |
{ "initrd", LT_INITRD, '=', ';' }, |
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{ "append", LT_KERNELARGS, '=' }, |
{ "append", LT_KERNELARGS, '=' }, |
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{ "boot", LT_BOOT, '=' }, |
{ "boot", LT_BOOT, '=' }, |
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{ "lba", LT_LBA, ' ' }, |
{ "lba", LT_LBA, ' ' }, |
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{ NULL, 0, 0 }, |
{ NULL, 0, 0 }, |
206 |
}; |
}; |
207 |
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|
208 |
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struct keywordTypes eliloKeywords[] = { |
209 |
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{ "label", LT_TITLE, '=' }, |
210 |
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{ "root", LT_ROOT, '=' }, |
211 |
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{ "default", LT_DEFAULT, '=' }, |
212 |
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{ "image", LT_KERNEL, '=' }, |
213 |
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{ "initrd", LT_INITRD, '=' }, |
214 |
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{ "append", LT_KERNELARGS, '=' }, |
215 |
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{ "vmm", LT_HYPER, '=' }, |
216 |
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{ NULL, 0, 0 }, |
217 |
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}; |
218 |
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|
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struct keywordTypes siloKeywords[] = { |
struct keywordTypes siloKeywords[] = { |
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{ "label", LT_TITLE, '=' }, |
{ "label", LT_TITLE, '=' }, |
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{ "root", LT_ROOT, '=' }, |
{ "root", LT_ROOT, '=' }, |
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{ NULL, 0, 0 }, |
{ NULL, 0, 0 }, |
238 |
}; |
}; |
239 |
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240 |
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struct keywordTypes extlinuxKeywords[] = { |
241 |
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{ "label", LT_TITLE, ' ' }, |
242 |
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{ "root", LT_ROOT, ' ' }, |
243 |
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{ "default", LT_DEFAULT, ' ' }, |
244 |
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{ "kernel", LT_KERNEL, ' ' }, |
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{ "initrd", LT_INITRD, ' ', ',' }, |
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{ "append", LT_KERNELARGS, ' ' }, |
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{ "prompt", LT_UNKNOWN, ' ' }, |
248 |
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{ NULL, 0, 0 }, |
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}; |
250 |
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int useextlinuxmenu; |
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struct configFileInfo eliloConfigType = { |
struct configFileInfo eliloConfigType = { |
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"/boot/efi/EFI/redhat/elilo.conf", /* defaultConfig */ |
"/boot/efi/EFI/redhat/elilo.conf", /* defaultConfig */ |
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liloKeywords, /* keywords */ |
eliloKeywords, /* keywords */ |
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0, /* defaultIsIndex */ |
0, /* defaultIsIndex */ |
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0, /* defaultSupportSaved */ |
0, /* defaultSupportSaved */ |
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LT_KERNEL, /* entrySeparator */ |
LT_KERNEL, /* entrySeparator */ |
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1, /* argsInQuotes */ |
1, /* argsInQuotes */ |
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0, /* maxTitleLength */ |
0, /* maxTitleLength */ |
260 |
0, /* titleBracketed */ |
0, /* titleBracketed */ |
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0, /* mbHyperFirst */ |
262 |
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0, /* mbInitRdIsModule */ |
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1, /* mbConcatArgs */ |
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0, /* mbAllowExtraInitRds */ |
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}; |
}; |
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struct configFileInfo liloConfigType = { |
struct configFileInfo liloConfigType = { |
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1, /* argsInQuotes */ |
1, /* argsInQuotes */ |
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15, /* maxTitleLength */ |
15, /* maxTitleLength */ |
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0, /* titleBracketed */ |
0, /* titleBracketed */ |
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0, /* mbHyperFirst */ |
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0, /* mbInitRdIsModule */ |
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0, /* mbConcatArgs */ |
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0, /* mbAllowExtraInitRds */ |
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}; |
}; |
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struct configFileInfo yabootConfigType = { |
struct configFileInfo yabootConfigType = { |
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1, /* argsInQuotes */ |
1, /* argsInQuotes */ |
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15, /* maxTitleLength */ |
15, /* maxTitleLength */ |
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0, /* titleBracketed */ |
0, /* titleBracketed */ |
293 |
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0, /* mbHyperFirst */ |
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0, /* mbInitRdIsModule */ |
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0, /* mbConcatArgs */ |
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1, /* mbAllowExtraInitRds */ |
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}; |
}; |
298 |
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struct configFileInfo siloConfigType = { |
struct configFileInfo siloConfigType = { |
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1, /* argsInQuotes */ |
1, /* argsInQuotes */ |
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15, /* maxTitleLength */ |
15, /* maxTitleLength */ |
308 |
0, /* titleBracketed */ |
0, /* titleBracketed */ |
309 |
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0, /* mbHyperFirst */ |
310 |
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0, /* mbInitRdIsModule */ |
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0, /* mbConcatArgs */ |
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0, /* mbAllowExtraInitRds */ |
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}; |
}; |
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struct configFileInfo ziplConfigType = { |
struct configFileInfo ziplConfigType = { |
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LT_TITLE, /* entrySeparator */ |
LT_TITLE, /* entrySeparator */ |
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0, /* needsBootPrefix */ |
0, /* needsBootPrefix */ |
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1, /* argsInQuotes */ |
1, /* argsInQuotes */ |
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15, /* maxTitleLength */ |
0, /* maxTitleLength */ |
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1, /* titleBracketed */ |
1, /* titleBracketed */ |
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0, /* mbHyperFirst */ |
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0, /* mbInitRdIsModule */ |
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0, /* mbConcatArgs */ |
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0, /* mbAllowExtraInitRds */ |
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}; |
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struct configFileInfo extlinuxConfigType = { |
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"/boot/extlinux/extlinux.conf", /* defaultConfig */ |
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extlinuxKeywords, /* keywords */ |
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0, /* defaultIsIndex */ |
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0, /* defaultSupportSaved */ |
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LT_TITLE, /* entrySeparator */ |
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1, /* needsBootPrefix */ |
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0, /* argsInQuotes */ |
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255, /* maxTitleLength */ |
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0, /* titleBracketed */ |
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0, /* mbHyperFirst */ |
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0, /* mbInitRdIsModule */ |
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0, /* mbConcatArgs */ |
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1, /* mbAllowExtraInitRds */ |
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}; |
}; |
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struct grubConfig { |
struct grubConfig { |
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struct configFileInfo * cfi; |
struct configFileInfo * cfi; |
357 |
}; |
}; |
358 |
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blkid_cache blkid; |
360 |
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struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index); |
struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index); |
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struct singleEntry * findEntryByPath(struct grubConfig * cfg, |
struct singleEntry * findEntryByPath(struct grubConfig * cfg, |
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const char * path, const char * prefix, |
const char * path, const char * prefix, |
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int * index); |
int * index); |
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static char * strndup(char * from, int len); |
|
365 |
static int readFile(int fd, char ** bufPtr); |
static int readFile(int fd, char ** bufPtr); |
366 |
static void lineInit(struct singleLine * line); |
static void lineInit(struct singleLine * line); |
367 |
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struct singleLine * lineDup(struct singleLine * line); |
368 |
static void lineFree(struct singleLine * line); |
static void lineFree(struct singleLine * line); |
369 |
static int lineWrite(FILE * out, struct singleLine * line, |
static int lineWrite(FILE * out, struct singleLine * line, |
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struct configFileInfo * cfi); |
struct configFileInfo * cfi); |
371 |
static int getNextLine(char ** bufPtr, struct singleLine * line, |
static int getNextLine(char ** bufPtr, struct singleLine * line, |
372 |
struct configFileInfo * cfi); |
struct configFileInfo * cfi); |
373 |
static char * getRootSpecifier(char * str); |
static char * getRootSpecifier(char * str); |
374 |
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static void insertElement(struct singleLine * line, |
375 |
static char * strndup(char * from, int len) { |
const char * item, int insertHere, |
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char * to; |
struct configFileInfo * cfi); |
377 |
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static void removeElement(struct singleLine * line, int removeHere); |
378 |
to = malloc(len + 1); |
static struct keywordTypes * getKeywordByType(enum lineType_e type, |
379 |
strncpy(to, from, len); |
struct configFileInfo * cfi); |
380 |
to[len] = '\0'; |
static enum lineType_e getTypeByKeyword(char * keyword, |
381 |
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struct configFileInfo * cfi); |
382 |
return to; |
static struct singleLine * getLineByType(enum lineType_e type, |
383 |
} |
struct singleLine * line); |
384 |
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static int checkForExtLinux(struct grubConfig * config); |
385 |
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struct singleLine * addLineTmpl(struct singleEntry * entry, |
386 |
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struct singleLine * tmplLine, |
387 |
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struct singleLine * prevLine, |
388 |
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const char * val, |
389 |
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struct configFileInfo * cfi); |
390 |
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struct singleLine * addLine(struct singleEntry * entry, |
391 |
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struct configFileInfo * cfi, |
392 |
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enum lineType_e type, char * defaultIndent, |
393 |
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const char * val); |
394 |
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|
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static char * sdupprintf(const char *format, ...) |
static char * sdupprintf(const char *format, ...) |
396 |
#ifdef __GNUC__ |
#ifdef __GNUC__ |
425 |
return buf; |
return buf; |
426 |
} |
} |
427 |
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|
428 |
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static struct keywordTypes * getKeywordByType(enum lineType_e type, |
429 |
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struct configFileInfo * cfi) { |
430 |
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struct keywordTypes * kw; |
431 |
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for (kw = cfi->keywords; kw->key; kw++) { |
432 |
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if (kw->type == type) |
433 |
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return kw; |
434 |
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} |
435 |
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return NULL; |
436 |
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} |
437 |
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438 |
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static char * getpathbyspec(char *device) { |
439 |
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if (!blkid) |
440 |
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blkid_get_cache(&blkid, NULL); |
441 |
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442 |
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return blkid_get_devname(blkid, device, NULL); |
443 |
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} |
444 |
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445 |
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static char * getuuidbydev(char *device) { |
446 |
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if (!blkid) |
447 |
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blkid_get_cache(&blkid, NULL); |
448 |
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449 |
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return blkid_get_tag_value(blkid, "UUID", device); |
450 |
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} |
451 |
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452 |
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static enum lineType_e getTypeByKeyword(char * keyword, |
453 |
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struct configFileInfo * cfi) { |
454 |
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struct keywordTypes * kw; |
455 |
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for (kw = cfi->keywords; kw->key; kw++) { |
456 |
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if (!strcmp(keyword, kw->key)) |
457 |
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return kw->type; |
458 |
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} |
459 |
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return LT_UNKNOWN; |
460 |
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} |
461 |
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462 |
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static struct singleLine * getLineByType(enum lineType_e type, |
463 |
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struct singleLine * line) { |
464 |
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dbgPrintf("getLineByType(%d): ", type); |
465 |
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for (; line; line = line->next) { |
466 |
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dbgPrintf("%d:%s ", line->type, |
467 |
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line->numElements ? line->elements[0].item : "(empty)"); |
468 |
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if (line->type & type) break; |
469 |
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} |
470 |
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dbgPrintf(line ? "\n" : " (failed)\n"); |
471 |
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return line; |
472 |
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} |
473 |
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|
474 |
static int isBracketedTitle(struct singleLine * line) { |
static int isBracketedTitle(struct singleLine * line) { |
475 |
if ((*line->elements[0].item == '[') && (line->numElements == 1)) { |
if (line->numElements == 1 && *line->elements[0].item == '[') { |
476 |
int len = strlen(line->elements[0].item); |
int len = strlen(line->elements[0].item); |
477 |
if (*(line->elements[0].item + len - 1) == ']') { |
if (*(line->elements[0].item + len - 1) == ']') { |
478 |
/* FIXME: this is a hack... */ |
/* FIXME: this is a hack... */ |
484 |
return 0; |
return 0; |
485 |
} |
} |
486 |
|
|
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/* figure out if this is a entry separator */ |
|
487 |
static int isEntrySeparator(struct singleLine * line, |
static int isEntrySeparator(struct singleLine * line, |
488 |
struct configFileInfo * cfi) { |
struct configFileInfo * cfi) { |
489 |
if (line->type == LT_WHITESPACE) |
return line->type == cfi->entrySeparator || line->type == LT_OTHER || |
490 |
return 0; |
(cfi->titleBracketed && isBracketedTitle(line)); |
|
if (line->type == cfi->entrySeparator) |
|
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return 1; |
|
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if (line->type == LT_OTHER) |
|
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return 1; |
|
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if (cfi->titleBracketed && isBracketedTitle(line)) { |
|
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return 1; |
|
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} |
|
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return 0; |
|
491 |
} |
} |
492 |
|
|
493 |
/* extract the title from within brackets (for zipl) */ |
/* extract the title from within brackets (for zipl) */ |
538 |
line->next = NULL; |
line->next = NULL; |
539 |
} |
} |
540 |
|
|
541 |
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struct singleLine * lineDup(struct singleLine * line) { |
542 |
|
int i; |
543 |
|
struct singleLine * newLine = malloc(sizeof(*newLine)); |
544 |
|
|
545 |
|
newLine->indent = strdup(line->indent); |
546 |
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newLine->next = NULL; |
547 |
|
newLine->type = line->type; |
548 |
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newLine->numElements = line->numElements; |
549 |
|
newLine->elements = malloc(sizeof(*newLine->elements) * |
550 |
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newLine->numElements); |
551 |
|
|
552 |
|
for (i = 0; i < newLine->numElements; i++) { |
553 |
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newLine->elements[i].indent = strdup(line->elements[i].indent); |
554 |
|
newLine->elements[i].item = strdup(line->elements[i].item); |
555 |
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} |
556 |
|
|
557 |
|
return newLine; |
558 |
|
} |
559 |
|
|
560 |
static void lineFree(struct singleLine * line) { |
static void lineFree(struct singleLine * line) { |
561 |
int i; |
int i; |
562 |
|
|
582 |
if (fputc('"', out) == EOF) return -1; |
if (fputc('"', out) == EOF) return -1; |
583 |
|
|
584 |
if (fprintf(out, "%s", line->elements[i].item) == -1) return -1; |
if (fprintf(out, "%s", line->elements[i].item) == -1) return -1; |
585 |
if (fprintf(out, "%s", line->elements[i].indent) == -1) return -1; |
if (i < line->numElements - 1) |
586 |
|
if (fprintf(out, "%s", line->elements[i].indent) == -1) return -1; |
587 |
} |
} |
588 |
|
|
589 |
if (line->type == LT_KERNELARGS && cfi->argsInQuotes) |
if (line->type == LT_KERNELARGS && cfi->argsInQuotes) |
602 |
char * chptr; |
char * chptr; |
603 |
int elementsAlloced = 0; |
int elementsAlloced = 0; |
604 |
struct lineElement * element; |
struct lineElement * element; |
|
struct keywordTypes * keywords = cfi->keywords; |
|
605 |
int first = 1; |
int first = 1; |
|
int i; |
|
606 |
|
|
607 |
lineFree(line); |
lineFree(line); |
608 |
|
|
656 |
if (!line->numElements) |
if (!line->numElements) |
657 |
line->type = LT_WHITESPACE; |
line->type = LT_WHITESPACE; |
658 |
else { |
else { |
659 |
for (i = 0; keywords[i].key; i++) |
line->type = getTypeByKeyword(line->elements[0].item, cfi); |
660 |
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; |
|
|
|
|
661 |
/* zipl does [title] instead of something reasonable like all |
/* zipl does [title] instead of something reasonable like all |
662 |
* the other boot loaders. kind of ugly */ |
* the other boot loaders. kind of ugly */ |
663 |
if (cfi->titleBracketed && isBracketedTitle(line)) { |
if (cfi->titleBracketed && isBracketedTitle(line)) { |
693 |
line->type = LT_WHITESPACE; |
line->type = LT_WHITESPACE; |
694 |
line->numElements = 0; |
line->numElements = 0; |
695 |
} |
} |
696 |
|
} else { |
697 |
|
struct keywordTypes *kw; |
698 |
|
|
699 |
|
kw = getKeywordByType(line->type, cfi); |
700 |
|
|
701 |
|
/* space isn't the only separator, we need to split |
702 |
|
* elements up more |
703 |
|
*/ |
704 |
|
if (!isspace(kw->separatorChar)) { |
705 |
|
int i; |
706 |
|
char indent[2] = ""; |
707 |
|
indent[0] = kw->separatorChar; |
708 |
|
for (i = 1; i < line->numElements; i++) { |
709 |
|
char *p; |
710 |
|
int j; |
711 |
|
int numNewElements; |
712 |
|
|
713 |
|
numNewElements = 0; |
714 |
|
p = line->elements[i].item; |
715 |
|
while (*p != '\0') { |
716 |
|
if (*p == kw->separatorChar) |
717 |
|
numNewElements++; |
718 |
|
p++; |
719 |
|
} |
720 |
|
if (line->numElements + numNewElements >= elementsAlloced) { |
721 |
|
elementsAlloced += numNewElements + 5; |
722 |
|
line->elements = realloc(line->elements, |
723 |
|
sizeof(*line->elements) * elementsAlloced); |
724 |
|
} |
725 |
|
|
726 |
|
for (j = line->numElements; j > i; j--) { |
727 |
|
line->elements[j + numNewElements] = line->elements[j]; |
728 |
|
} |
729 |
|
line->numElements += numNewElements; |
730 |
|
|
731 |
|
p = line->elements[i].item; |
732 |
|
while (*p != '\0') { |
733 |
|
|
734 |
|
while (*p != kw->separatorChar && *p != '\0') p++; |
735 |
|
if (*p == '\0') { |
736 |
|
break; |
737 |
|
} |
738 |
|
|
739 |
|
free(line->elements[i].indent); |
740 |
|
line->elements[i].indent = strdup(indent); |
741 |
|
*p++ = '\0'; |
742 |
|
i++; |
743 |
|
line->elements[i].item = strdup(p); |
744 |
|
line->elements[i].indent = strdup(""); |
745 |
|
p = line->elements[i].item; |
746 |
|
} |
747 |
|
} |
748 |
|
} |
749 |
} |
} |
750 |
} |
} |
751 |
|
|
828 |
if (line->type == LT_DEFAULT && line->numElements == 2) { |
if (line->type == LT_DEFAULT && line->numElements == 2) { |
829 |
cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT; |
cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT; |
830 |
defaultLine = line; |
defaultLine = line; |
831 |
|
|
832 |
|
} else if (line->type == LT_KERNEL) { |
833 |
|
/* if by some freak chance this is multiboot and the "module" |
834 |
|
* lines came earlier in the template, make sure to use LT_HYPER |
835 |
|
* instead of LT_KERNEL now |
836 |
|
*/ |
837 |
|
if (entry->multiboot) |
838 |
|
line->type = LT_HYPER; |
839 |
|
|
840 |
} else if (line->type == LT_MBMODULE) { |
} else if (line->type == LT_MBMODULE) { |
841 |
|
/* go back and fix the LT_KERNEL line to indicate LT_HYPER |
842 |
|
* instead, now that we know this is a multiboot entry. |
843 |
|
* This only applies to grub, but that's the only place we |
844 |
|
* should find LT_MBMODULE lines anyway. |
845 |
|
*/ |
846 |
|
struct singleLine * l; |
847 |
|
for (l = entry->lines; l; l = l->next) { |
848 |
|
if (l->type == LT_HYPER) |
849 |
|
break; |
850 |
|
else if (l->type == LT_KERNEL) { |
851 |
|
l->type = LT_HYPER; |
852 |
|
break; |
853 |
|
} |
854 |
|
} |
855 |
entry->multiboot = 1; |
entry->multiboot = 1; |
856 |
|
|
857 |
|
} else if (line->type == LT_HYPER) { |
858 |
|
entry->multiboot = 1; |
859 |
|
|
860 |
} else if (line->type == LT_FALLBACK && line->numElements == 2) { |
} else if (line->type == LT_FALLBACK && line->numElements == 2) { |
861 |
cfg->fallbackImage = strtol(line->elements[1].item, &end, 10); |
cfg->fallbackImage = strtol(line->elements[1].item, &end, 10); |
862 |
if (*end) cfg->fallbackImage = -1; |
if (*end) cfg->fallbackImage = -1; |
863 |
|
|
864 |
} else if (line->type == LT_TITLE && line->numElements > 1) { |
} else if (line->type == LT_TITLE && line->numElements > 1) { |
865 |
/* make the title a single argument (undoing our parsing) */ |
/* make the title a single argument (undoing our parsing) */ |
866 |
len = 0; |
len = 0; |
885 |
line->elements[line->numElements - 1].indent; |
line->elements[line->numElements - 1].indent; |
886 |
line->elements[1].item = buf; |
line->elements[1].item = buf; |
887 |
line->numElements = 2; |
line->numElements = 2; |
888 |
|
|
889 |
} else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) { |
} else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) { |
890 |
/* Strip off any " which may be present; they'll be put back |
/* Strip off any " which may be present; they'll be put back |
891 |
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 |
895 |
int last, len; |
int last, len; |
896 |
|
|
897 |
if (*line->elements[1].item == '"') |
if (*line->elements[1].item == '"') |
898 |
memcpy(line->elements[1].item, line->elements[1].item + 1, |
memmove(line->elements[1].item, line->elements[1].item + 1, |
899 |
strlen(line->elements[1].item + 1) + 1); |
strlen(line->elements[1].item + 1) + 1); |
900 |
|
|
901 |
last = line->numElements - 1; |
last = line->numElements - 1; |
902 |
len = strlen(line->elements[last].item) - 1; |
len = strlen(line->elements[last].item) - 1; |
903 |
if (line->elements[last].item[len] == '"') |
if (line->elements[last].item[len] == '"') |
904 |
line->elements[last].item[len] = '\0'; |
line->elements[last].item[len] = '\0'; |
905 |
} |
} |
|
|
|
906 |
} |
} |
907 |
|
|
908 |
/* If we find a generic config option which should live at the |
/* If we find a generic config option which should live at the |
922 |
movedLine = 1; |
movedLine = 1; |
923 |
continue; /* without setting 'last' */ |
continue; /* without setting 'last' */ |
924 |
} |
} |
925 |
|
|
926 |
/* If a second line of whitespace happens after a generic option |
/* If a second line of whitespace happens after a generic option |
927 |
which was moved, drop it. */ |
which was moved, drop it. */ |
928 |
if (movedLine && line->type == LT_WHITESPACE && last->type == LT_WHITESPACE) { |
if (movedLine && line->type == LT_WHITESPACE && last->type == LT_WHITESPACE) { |
938 |
entry->lines = line; |
entry->lines = line; |
939 |
else |
else |
940 |
last->next = line; |
last->next = line; |
941 |
|
dbgPrintf("readConfig added %d to %p\n", line->type, entry); |
942 |
} else { |
} else { |
943 |
if (!cfg->theLines) |
if (!cfg->theLines) |
944 |
cfg->theLines = line; |
cfg->theLines = line; |
945 |
else { |
else |
946 |
last->next = line; |
last->next = line; |
947 |
} |
dbgPrintf("readConfig added %d to cfg\n", line->type); |
948 |
} |
} |
949 |
|
|
950 |
last = line; |
last = line; |
974 |
extractTitle(line))) break; |
extractTitle(line))) break; |
975 |
} |
} |
976 |
i++; |
i++; |
977 |
|
entry = NULL; |
978 |
} |
} |
979 |
|
|
980 |
if (entry) cfg->defaultImage = i; |
if (entry){ |
981 |
|
cfg->defaultImage = i; |
982 |
|
}else{ |
983 |
|
cfg->defaultImage = -1; |
984 |
|
} |
985 |
} |
} |
986 |
|
} else { |
987 |
|
cfg->defaultImage = 0; |
988 |
} |
} |
989 |
|
|
990 |
return cfg; |
return cfg; |
1020 |
|
|
1021 |
if (!entry) return; |
if (!entry) return; |
1022 |
|
|
1023 |
line = entry->lines; |
line = getLineByType(LT_TITLE, entry->lines); |
|
while (line && line->type != LT_TITLE) line = line->next; |
|
1024 |
|
|
1025 |
if (line && line->numElements >= 2) |
if (line && line->numElements >= 2) |
1026 |
fprintf(out, "%sdefault%s%s\n", indent, separator, |
fprintf(out, "%sdefault%s%s\n", indent, separator, |
1054 |
int rc; |
int rc; |
1055 |
|
|
1056 |
/* most likely the symlink is relative, so change our |
/* most likely the symlink is relative, so change our |
1057 |
directory to / */ |
directory to the dir of the symlink */ |
1058 |
rc = chdir("/"); |
rc = chdir(dirname(strdupa(outName))); |
1059 |
do { |
do { |
1060 |
buf = alloca(len + 1); |
buf = alloca(len + 1); |
1061 |
rc = readlink(outName, buf, len); |
rc = readlink(basename(outName), buf, len); |
1062 |
if (rc == len) len += 256; |
if (rc == len) len += 256; |
1063 |
} while (rc == len); |
} while (rc == len); |
1064 |
|
|
1162 |
return i; |
return i; |
1163 |
} |
} |
1164 |
|
|
1165 |
|
static char *findDiskForRoot() |
1166 |
|
{ |
1167 |
|
int fd; |
1168 |
|
char buf[65536]; |
1169 |
|
char *devname; |
1170 |
|
char *chptr; |
1171 |
|
int rc; |
1172 |
|
|
1173 |
|
if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) { |
1174 |
|
fprintf(stderr, "grubby: failed to open %s: %s\n", |
1175 |
|
_PATH_MOUNTED, strerror(errno)); |
1176 |
|
return NULL; |
1177 |
|
} |
1178 |
|
|
1179 |
|
rc = read(fd, buf, sizeof(buf) - 1); |
1180 |
|
if (rc <= 0) { |
1181 |
|
fprintf(stderr, "grubby: failed to read %s: %s\n", |
1182 |
|
_PATH_MOUNTED, strerror(errno)); |
1183 |
|
close(fd); |
1184 |
|
return NULL; |
1185 |
|
} |
1186 |
|
close(fd); |
1187 |
|
buf[rc] = '\0'; |
1188 |
|
chptr = buf; |
1189 |
|
|
1190 |
|
while (chptr && chptr != buf+rc) { |
1191 |
|
devname = chptr; |
1192 |
|
|
1193 |
|
/* |
1194 |
|
* The first column of a mtab entry is the device, but if the entry is a |
1195 |
|
* special device it won't start with /, so move on to the next line. |
1196 |
|
*/ |
1197 |
|
if (*devname != '/') { |
1198 |
|
chptr = strchr(chptr, '\n'); |
1199 |
|
if (chptr) |
1200 |
|
chptr++; |
1201 |
|
continue; |
1202 |
|
} |
1203 |
|
|
1204 |
|
/* Seek to the next space */ |
1205 |
|
chptr = strchr(chptr, ' '); |
1206 |
|
if (!chptr) { |
1207 |
|
fprintf(stderr, "grubby: error parsing %s: %s\n", |
1208 |
|
_PATH_MOUNTED, strerror(errno)); |
1209 |
|
return NULL; |
1210 |
|
} |
1211 |
|
|
1212 |
|
/* |
1213 |
|
* The second column of a mtab entry is the mount point, we are looking |
1214 |
|
* for '/' obviously. |
1215 |
|
*/ |
1216 |
|
if (*(++chptr) == '/' && *(++chptr) == ' ') { |
1217 |
|
/* |
1218 |
|
* Move back 2, which is the first space after the device name, set |
1219 |
|
* it to \0 so strdup will just get the devicename. |
1220 |
|
*/ |
1221 |
|
chptr -= 2; |
1222 |
|
*chptr = '\0'; |
1223 |
|
return strdup(devname); |
1224 |
|
} |
1225 |
|
|
1226 |
|
/* Next line */ |
1227 |
|
chptr = strchr(chptr, '\n'); |
1228 |
|
if (chptr) |
1229 |
|
chptr++; |
1230 |
|
} |
1231 |
|
|
1232 |
|
return NULL; |
1233 |
|
} |
1234 |
|
|
1235 |
int suitableImage(struct singleEntry * entry, const char * bootPrefix, |
int suitableImage(struct singleEntry * entry, const char * bootPrefix, |
1236 |
int skipRemoved, int flags) { |
int skipRemoved, int flags) { |
1237 |
struct singleLine * line; |
struct singleLine * line; |
1238 |
char * fullName; |
char * fullName; |
1239 |
int i; |
int i; |
|
struct stat sb, sb2; |
|
1240 |
char * dev; |
char * dev; |
|
char * end; |
|
1241 |
char * rootspec; |
char * rootspec; |
1242 |
|
char * rootdev; |
1243 |
|
|
|
line = entry->lines; |
|
|
while (line && line->type != LT_KERNEL) line = line->next; |
|
|
|
|
|
if (!line) return 0; |
|
1244 |
if (skipRemoved && entry->skip) return 0; |
if (skipRemoved && entry->skip) return 0; |
1245 |
if (line->numElements < 2) return 0; |
|
1246 |
|
line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines); |
1247 |
|
if (!line || line->numElements < 2) return 0; |
1248 |
|
|
1249 |
if (flags & GRUBBY_BADIMAGE_OKAY) return 1; |
if (flags & GRUBBY_BADIMAGE_OKAY) return 1; |
1250 |
|
|
1252 |
strlen(line->elements[1].item) + 1); |
strlen(line->elements[1].item) + 1); |
1253 |
rootspec = getRootSpecifier(line->elements[1].item); |
rootspec = getRootSpecifier(line->elements[1].item); |
1254 |
sprintf(fullName, "%s%s", bootPrefix, |
sprintf(fullName, "%s%s", bootPrefix, |
1255 |
line->elements[1].item + ((rootspec != NULL) ? |
line->elements[1].item + (rootspec ? strlen(rootspec) : 0)); |
|
strlen(rootspec) : 0)); |
|
1256 |
if (access(fullName, R_OK)) return 0; |
if (access(fullName, R_OK)) return 0; |
1257 |
|
|
1258 |
for (i = 2; i < line->numElements; i++) |
for (i = 2; i < line->numElements; i++) |
1261 |
dev = line->elements[i].item + 5; |
dev = line->elements[i].item + 5; |
1262 |
} else { |
} else { |
1263 |
/* look for a lilo style LT_ROOT line */ |
/* look for a lilo style LT_ROOT line */ |
1264 |
line = entry->lines; |
line = getLineByType(LT_ROOT, entry->lines); |
|
while (line && line->type != LT_ROOT) line = line->next; |
|
1265 |
|
|
1266 |
if (line && line->numElements >= 2) { |
if (line && line->numElements >= 2) { |
1267 |
dev = line->elements[1].item; |
dev = line->elements[1].item; |
1268 |
} else { |
} else { |
1269 |
int type; |
/* didn't succeed in finding a LT_ROOT, let's try LT_KERNELARGS. |
1270 |
/* 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. |
1271 |
line = entry->lines; |
*/ |
1272 |
|
line = getLineByType(LT_KERNELARGS|LT_MBMODULE, entry->lines); |
|
type = ((entry->multiboot) ? LT_MBMODULE : LT_KERNELARGS); |
|
|
|
|
|
while (line && line->type != type) line = line->next; |
|
1273 |
|
|
1274 |
/* failed to find one */ |
/* failed to find one */ |
1275 |
if (!line) return 0; |
if (!line) return 0; |
1285 |
} |
} |
1286 |
} |
} |
1287 |
|
|
1288 |
if (!strncmp(dev, "LABEL=", 6)) { |
dev = getpathbyspec(dev); |
1289 |
dev += 6; |
if (!dev) |
1290 |
|
return 0; |
1291 |
/* check which device has this label */ |
|
1292 |
dev = get_spec_by_volume_label(dev, &i, &i); |
rootdev = findDiskForRoot(); |
1293 |
if (!dev) return 0; |
if (!rootdev) |
1294 |
|
return 0; |
1295 |
|
|
1296 |
|
if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) { |
1297 |
|
free(rootdev); |
1298 |
|
return 0; |
1299 |
} |
} |
1300 |
|
|
1301 |
if (*dev == '/') { |
if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) { |
1302 |
if (stat(dev, &sb)) |
free(rootdev); |
1303 |
return 0; |
return 0; |
|
} else { |
|
|
sb.st_rdev = strtol(dev, &end, 16); |
|
|
if (*end) return 0; |
|
1304 |
} |
} |
|
stat("/", &sb2); |
|
1305 |
|
|
1306 |
if (sb.st_rdev != sb2.st_dev) return 0; |
free(rootdev); |
1307 |
|
|
1308 |
return 1; |
return 1; |
1309 |
} |
} |
1347 |
entry = findEntryByIndex(config, indexVars[i]); |
entry = findEntryByIndex(config, indexVars[i]); |
1348 |
if (!entry) return NULL; |
if (!entry) return NULL; |
1349 |
|
|
1350 |
line = entry->lines; |
line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines); |
|
while (line && line->type != LT_KERNEL) |
|
|
line = line->next; |
|
|
|
|
1351 |
if (!line) return NULL; |
if (!line) return NULL; |
1352 |
|
|
1353 |
if (index) *index = indexVars[i]; |
if (index) *index = indexVars[i]; |
1389 |
kernel += 6; |
kernel += 6; |
1390 |
} |
} |
1391 |
|
|
1392 |
while ((entry = findEntryByIndex(config, i))) { |
for (entry = findEntryByIndex(config, i); entry; entry = entry->next, i++) { |
1393 |
line = entry->lines; |
if (entry->skip) continue; |
|
while (line && line->type != checkType) line=line->next; |
|
1394 |
|
|
1395 |
|
dbgPrintf("findEntryByPath looking for %d %s in %p\n", checkType, kernel, entry); |
1396 |
|
|
1397 |
if (line && line->numElements >= 2 && !entry->skip) { |
/* check all the lines matching checkType */ |
1398 |
rootspec = getRootSpecifier(line->elements[1].item); |
for (line = entry->lines; line; line = line->next) { |
1399 |
if (!strcmp(line->elements[1].item + |
line = getLineByType(entry->multiboot && checkType == LT_KERNEL ? |
1400 |
((rootspec != NULL) ? strlen(rootspec) : 0), |
LT_KERNEL|LT_MBMODULE|LT_HYPER : |
1401 |
kernel + strlen(prefix))) |
checkType, line); |
1402 |
break; |
if (!line) break; /* not found in this entry */ |
1403 |
} |
|
1404 |
|
if (line && line->numElements >= 2) { |
1405 |
/* have to check multiboot lines too */ |
rootspec = getRootSpecifier(line->elements[1].item); |
1406 |
if (entry->multiboot) { |
if (!strcmp(line->elements[1].item + |
1407 |
while (line && line->type != LT_MBMODULE) line = line->next; |
((rootspec != NULL) ? strlen(rootspec) : 0), |
1408 |
if (line && line->numElements >= 2 && !entry->skip) { |
kernel + strlen(prefix))) |
1409 |
rootspec = getRootSpecifier(line->elements[1].item); |
break; |
1410 |
if (!strcmp(line->elements[1].item + |
} |
1411 |
((rootspec != NULL) ? strlen(rootspec) : 0), |
} |
|
kernel + strlen(prefix))) |
|
|
break; |
|
|
} |
|
|
} |
|
1412 |
|
|
1413 |
i++; |
/* make sure this entry has a kernel identifier; this skips |
1414 |
|
* non-Linux boot entries (could find netbsd etc, though, which is |
1415 |
|
* unfortunate) |
1416 |
|
*/ |
1417 |
|
if (line && getLineByType(LT_KERNEL|LT_HYPER, entry->lines)) |
1418 |
|
break; /* found 'im! */ |
1419 |
} |
} |
1420 |
|
|
1421 |
if (index) *index = i; |
if (index) *index = i; |
1422 |
} |
} |
1423 |
|
|
|
if (!entry) return NULL; |
|
|
|
|
|
/* make sure this entry has a kernel identifier; this skips non-Linux |
|
|
boot entries (could find netbsd etc, though, which is unfortunate) */ |
|
|
line = entry->lines; |
|
|
while (line && line->type != LT_KERNEL) line = line->next; |
|
|
if (!line) { |
|
|
if (!index) index = &i; |
|
|
(*index)++; |
|
|
return findEntryByPath(config, kernel, prefix, index); |
|
|
} |
|
|
|
|
1424 |
return entry; |
return entry; |
1425 |
} |
} |
1426 |
|
|
1585 |
char * root = NULL; |
char * root = NULL; |
1586 |
int i; |
int i; |
1587 |
|
|
|
line = entry->lines; |
|
|
while (line && line->type != LT_KERNEL) line = line->next; |
|
|
|
|
1588 |
printf("index=%d\n", index); |
printf("index=%d\n", index); |
1589 |
|
|
1590 |
|
line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines); |
1591 |
|
if (!line) { |
1592 |
|
printf("non linux entry\n"); |
1593 |
|
return; |
1594 |
|
} |
1595 |
|
|
1596 |
printf("kernel=%s\n", line->elements[1].item); |
printf("kernel=%s\n", line->elements[1].item); |
1597 |
|
|
1598 |
if (line->numElements >= 3) { |
if (line->numElements >= 3) { |
1610 |
} |
} |
1611 |
printf("\"\n"); |
printf("\"\n"); |
1612 |
} else { |
} else { |
1613 |
line = entry->lines; |
line = getLineByType(LT_KERNELARGS, entry->lines); |
|
while (line && line->type != LT_KERNELARGS) line=line->next; |
|
|
|
|
1614 |
if (line) { |
if (line) { |
1615 |
char * s; |
char * s; |
1616 |
|
|
1634 |
} |
} |
1635 |
|
|
1636 |
if (!root) { |
if (!root) { |
1637 |
line = entry->lines; |
line = getLineByType(LT_ROOT, entry->lines); |
|
while (line && line->type != LT_ROOT) line = line->next; |
|
|
|
|
1638 |
if (line && line->numElements >= 2) |
if (line && line->numElements >= 2) |
1639 |
root=line->elements[1].item; |
root=line->elements[1].item; |
1640 |
} |
} |
1649 |
printf("root=%s\n", s); |
printf("root=%s\n", s); |
1650 |
} |
} |
1651 |
|
|
1652 |
line = entry->lines; |
line = getLineByType(LT_INITRD, entry->lines); |
|
while (line && line->type != LT_INITRD) line = line->next; |
|
1653 |
|
|
1654 |
if (line && line->numElements >= 2) { |
if (line && line->numElements >= 2) { |
1655 |
printf("initrd=%s", prefix); |
printf("initrd=%s", prefix); |
1666 |
char * start; |
char * start; |
1667 |
char * param; |
char * param; |
1668 |
|
|
1669 |
in = fopen("/etc/sysconfig/grub", "r"); |
in = fopen("/etc/conf.d/grub", "r"); |
1670 |
if (!in) return 1; |
if (!in) return 1; |
1671 |
|
|
1672 |
if (lbaPtr) *lbaPtr = 0; |
if (lbaPtr) *lbaPtr = 0; |
1728 |
return 1; |
return 1; |
1729 |
} |
} |
1730 |
|
|
1731 |
/* 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 |
1732 |
be a better way */ |
be a better way */ |
1733 |
if (config->cfi == &grubConfigType) { |
if (config->cfi == &grubConfigType) { |
1734 |
dumpSysconfigGrub(); |
dumpSysconfigGrub(); |
1735 |
} else { |
} else { |
1736 |
line = config->theLines; |
line = getLineByType(LT_BOOT, config->theLines); |
|
while (line && line->type != LT_BOOT) line = line->next; |
|
1737 |
if (line && line->numElements >= 1) { |
if (line && line->numElements >= 1) { |
1738 |
printf("boot=%s\n", line->elements[1].item); |
printf("boot=%s\n", line->elements[1].item); |
1739 |
} |
} |
1740 |
|
|
1741 |
line = config->theLines; |
line = getLineByType(LT_LBA, config->theLines); |
|
while (line && line->type != LT_LBA) line = line->next; |
|
1742 |
if (line) printf("lba\n"); |
if (line) printf("lba\n"); |
1743 |
} |
} |
1744 |
|
|
1753 |
return 0; |
return 0; |
1754 |
} |
} |
1755 |
|
|
1756 |
|
struct singleLine * addLineTmpl(struct singleEntry * entry, |
1757 |
|
struct singleLine * tmplLine, |
1758 |
|
struct singleLine * prevLine, |
1759 |
|
const char * val, |
1760 |
|
struct configFileInfo * cfi) |
1761 |
|
{ |
1762 |
|
struct singleLine * newLine = lineDup(tmplLine); |
1763 |
|
|
1764 |
|
if (val) { |
1765 |
|
/* override the inherited value with our own. |
1766 |
|
* This is a little weak because it only applies to elements[1] |
1767 |
|
*/ |
1768 |
|
if (newLine->numElements > 1) |
1769 |
|
removeElement(newLine, 1); |
1770 |
|
insertElement(newLine, val, 1, cfi); |
1771 |
|
|
1772 |
|
/* but try to keep the rootspec from the template... sigh */ |
1773 |
|
if (tmplLine->type & (LT_HYPER|LT_KERNEL|LT_MBMODULE|LT_INITRD)) { |
1774 |
|
char * rootspec = getRootSpecifier(tmplLine->elements[1].item); |
1775 |
|
if (rootspec != NULL) { |
1776 |
|
free(newLine->elements[1].item); |
1777 |
|
newLine->elements[1].item = |
1778 |
|
sdupprintf("%s%s", rootspec, val); |
1779 |
|
} |
1780 |
|
} |
1781 |
|
} |
1782 |
|
|
1783 |
|
dbgPrintf("addLineTmpl(%s)\n", newLine->numElements ? |
1784 |
|
newLine->elements[0].item : ""); |
1785 |
|
|
1786 |
|
if (!entry->lines) { |
1787 |
|
/* first one on the list */ |
1788 |
|
entry->lines = newLine; |
1789 |
|
} else if (prevLine) { |
1790 |
|
/* add after prevLine */ |
1791 |
|
newLine->next = prevLine->next; |
1792 |
|
prevLine->next = newLine; |
1793 |
|
} |
1794 |
|
|
1795 |
|
return newLine; |
1796 |
|
} |
1797 |
|
|
1798 |
/* val may be NULL */ |
/* val may be NULL */ |
1799 |
struct singleLine * addLine(struct singleEntry * entry, |
struct singleLine * addLine(struct singleEntry * entry, |
1800 |
struct configFileInfo * cfi, |
struct configFileInfo * cfi, |
1801 |
enum lineType_e type, const char * defaultIndent, |
enum lineType_e type, char * defaultIndent, |
1802 |
char * val) { |
const char * val) { |
1803 |
struct singleLine * line, * prev; |
struct singleLine * line, * prev; |
1804 |
int i; |
struct keywordTypes * kw; |
1805 |
|
struct singleLine tmpl; |
1806 |
|
|
1807 |
for (i = 0; cfi->keywords[i].key; i++) |
/* NB: This function shouldn't allocate items on the heap, rather on the |
1808 |
if (cfi->keywords[i].type == type) break; |
* stack since it calls addLineTmpl which will make copies. |
1809 |
if (type != LT_TITLE || !cfi->titleBracketed) |
*/ |
1810 |
if (!cfi->keywords[i].key) abort(); |
|
1811 |
|
if (type == LT_TITLE && cfi->titleBracketed) { |
1812 |
|
/* we're doing a bracketed title (zipl) */ |
1813 |
|
tmpl.type = type; |
1814 |
|
tmpl.numElements = 1; |
1815 |
|
tmpl.elements = alloca(sizeof(*tmpl.elements)); |
1816 |
|
tmpl.elements[0].item = alloca(strlen(val)+3); |
1817 |
|
sprintf(tmpl.elements[0].item, "[%s]", val); |
1818 |
|
tmpl.elements[0].indent = ""; |
1819 |
|
val = NULL; |
1820 |
|
} else { |
1821 |
|
kw = getKeywordByType(type, cfi); |
1822 |
|
if (!kw) abort(); |
1823 |
|
tmpl.type = type; |
1824 |
|
tmpl.numElements = val ? 2 : 1; |
1825 |
|
tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements); |
1826 |
|
tmpl.elements[0].item = kw->key; |
1827 |
|
tmpl.elements[0].indent = alloca(2); |
1828 |
|
sprintf(tmpl.elements[0].indent, "%c", kw->nextChar); |
1829 |
|
if (val) { |
1830 |
|
tmpl.elements[1].item = (char *)val; |
1831 |
|
tmpl.elements[1].indent = ""; |
1832 |
|
} |
1833 |
|
} |
1834 |
|
|
1835 |
/* 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 |
1836 |
to insert after. Note that comments are considered empty lines, which |
to insert after. Note that comments are considered empty lines, which |
1837 |
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 |
1838 |
first line, we use defaultIndent (the first line is normally indented |
first line, we use defaultIndent (the first line is normally indented |
1839 |
differently from the rest) */ |
differently from the rest) */ |
1840 |
if (entry->lines) { |
for (line = entry->lines, prev = NULL; line; line = line->next) { |
1841 |
line = entry->lines; |
if (line->numElements) prev = line; |
1842 |
prev = NULL; |
/* fall back on the last line if prev isn't otherwise set */ |
1843 |
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; |
|
1844 |
} |
} |
1845 |
|
|
1846 |
if (type != LT_TITLE || !cfi->titleBracketed) { |
if (prev == entry->lines) |
1847 |
line->type = type; |
tmpl.indent = defaultIndent ?: ""; |
1848 |
line->numElements = val ? 2 : 1; |
else |
1849 |
line->elements = malloc(sizeof(*line->elements) * line->numElements); |
tmpl.indent = prev->indent; |
|
line->elements[0].item = strdup(cfi->keywords[i].key); |
|
|
line->elements[0].indent = malloc(2); |
|
|
line->elements[0].indent[0] = cfi->keywords[i].nextChar; |
|
|
line->elements[0].indent[1] = '\0'; |
|
|
|
|
|
if (val) { |
|
|
line->elements[1].item = val; |
|
|
line->elements[1].indent = strdup(""); |
|
|
} |
|
|
} else { |
|
|
/* 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(""); |
|
|
} |
|
1850 |
|
|
1851 |
return line; |
return addLineTmpl(entry, &tmpl, prev, val, cfi); |
1852 |
} |
} |
1853 |
|
|
1854 |
void removeLine(struct singleEntry * entry, struct singleLine * line) { |
void removeLine(struct singleEntry * entry, struct singleLine * line) { |
1873 |
free(line); |
free(line); |
1874 |
} |
} |
1875 |
|
|
1876 |
|
static void insertElement(struct singleLine * line, |
1877 |
|
const char * item, int insertHere, |
1878 |
|
struct configFileInfo * cfi) |
1879 |
|
{ |
1880 |
|
struct keywordTypes * kw; |
1881 |
|
char indent[2] = ""; |
1882 |
|
|
1883 |
|
/* sanity check */ |
1884 |
|
if (insertHere > line->numElements) { |
1885 |
|
dbgPrintf("insertElement() adjusting insertHere from %d to %d\n", |
1886 |
|
insertHere, line->numElements); |
1887 |
|
insertHere = line->numElements; |
1888 |
|
} |
1889 |
|
|
1890 |
|
line->elements = realloc(line->elements, (line->numElements + 1) * |
1891 |
|
sizeof(*line->elements)); |
1892 |
|
memmove(&line->elements[insertHere+1], |
1893 |
|
&line->elements[insertHere], |
1894 |
|
(line->numElements - insertHere) * |
1895 |
|
sizeof(*line->elements)); |
1896 |
|
line->elements[insertHere].item = strdup(item); |
1897 |
|
|
1898 |
|
kw = getKeywordByType(line->type, cfi); |
1899 |
|
|
1900 |
|
if (line->numElements == 0) { |
1901 |
|
indent[0] = '\0'; |
1902 |
|
} else if (insertHere == 0) { |
1903 |
|
indent[0] = kw->nextChar; |
1904 |
|
} else if (kw->separatorChar != '\0') { |
1905 |
|
indent[0] = kw->separatorChar; |
1906 |
|
} else { |
1907 |
|
indent[0] = ' '; |
1908 |
|
} |
1909 |
|
|
1910 |
|
if (insertHere > 0 && line->elements[insertHere-1].indent[0] == '\0') { |
1911 |
|
/* move the end-of-line forward */ |
1912 |
|
line->elements[insertHere].indent = |
1913 |
|
line->elements[insertHere-1].indent; |
1914 |
|
line->elements[insertHere-1].indent = strdup(indent); |
1915 |
|
} else { |
1916 |
|
line->elements[insertHere].indent = strdup(indent); |
1917 |
|
} |
1918 |
|
|
1919 |
|
line->numElements++; |
1920 |
|
|
1921 |
|
dbgPrintf("insertElement(%s, '%s%s', %d)\n", |
1922 |
|
line->elements[0].item, |
1923 |
|
line->elements[insertHere].item, |
1924 |
|
line->elements[insertHere].indent, |
1925 |
|
insertHere); |
1926 |
|
} |
1927 |
|
|
1928 |
|
static void removeElement(struct singleLine * line, int removeHere) { |
1929 |
|
int i; |
1930 |
|
|
1931 |
|
/* sanity check */ |
1932 |
|
if (removeHere >= line->numElements) return; |
1933 |
|
|
1934 |
|
dbgPrintf("removeElement(%s, %d:%s)\n", line->elements[0].item, |
1935 |
|
removeHere, line->elements[removeHere].item); |
1936 |
|
|
1937 |
|
free(line->elements[removeHere].item); |
1938 |
|
|
1939 |
|
if (removeHere > 1) { |
1940 |
|
/* previous argument gets this argument's post-indentation */ |
1941 |
|
free(line->elements[removeHere-1].indent); |
1942 |
|
line->elements[removeHere-1].indent = |
1943 |
|
line->elements[removeHere].indent; |
1944 |
|
} else { |
1945 |
|
free(line->elements[removeHere].indent); |
1946 |
|
} |
1947 |
|
|
1948 |
|
/* now collapse the array, but don't bother to realloc smaller */ |
1949 |
|
for (i = removeHere; i < line->numElements - 1; i++) |
1950 |
|
line->elements[i] = line->elements[i + 1]; |
1951 |
|
|
1952 |
|
line->numElements--; |
1953 |
|
} |
1954 |
|
|
1955 |
int argMatch(const char * one, const char * two) { |
int argMatch(const char * one, const char * two) { |
1956 |
char * first, * second; |
char * first, * second; |
1957 |
char * chptr; |
char * chptr; |
1974 |
struct singleEntry * entry; |
struct singleEntry * entry; |
1975 |
struct singleLine * line, * rootLine; |
struct singleLine * line, * rootLine; |
1976 |
int index = 0; |
int index = 0; |
1977 |
int i, j, k; |
int i, k; |
1978 |
const char ** newArgs, ** oldArgs; |
const char ** newArgs, ** oldArgs; |
1979 |
const char ** arg; |
const char ** arg; |
1980 |
const char * chptr; |
int useKernelArgs, useRoot; |
|
int useKernelArgs = 0; |
|
|
int useRoot = 0; |
|
1981 |
int firstElement; |
int firstElement; |
1982 |
int *usedElements, *usedArgs; |
int *usedElements; |
1983 |
|
int doreplace; |
1984 |
|
|
1985 |
if (!image) return 0; |
if (!image) return 0; |
1986 |
|
|
2007 |
} |
} |
2008 |
} |
} |
2009 |
|
|
|
for (i = 0; cfg->cfi->keywords[i].key; i++) |
|
|
if (cfg->cfi->keywords[i].type == LT_KERNELARGS) break; |
|
2010 |
|
|
2011 |
if (cfg->cfi->keywords[i].key) |
useKernelArgs = (getKeywordByType(LT_KERNELARGS, cfg->cfi) |
2012 |
useKernelArgs = 1; |
&& (!multibootArgs || cfg->cfi->mbConcatArgs)); |
2013 |
|
|
2014 |
for (i = 0; cfg->cfi->keywords[i].key; i++) |
useRoot = (getKeywordByType(LT_ROOT, cfg->cfi) |
2015 |
if (cfg->cfi->keywords[i].type == LT_ROOT) break; |
&& !multibootArgs); |
2016 |
|
|
2017 |
if (cfg->cfi->keywords[i].key) |
for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
|
useRoot = 1; |
|
2018 |
|
|
2019 |
k = 0; |
if (multibootArgs && !entry->multiboot) |
2020 |
for (arg = newArgs; *arg; arg++) |
continue; |
2021 |
k++; |
|
2022 |
usedArgs = calloc(k, sizeof(int)); |
/* Determine where to put the args. If this config supports |
2023 |
|
* LT_KERNELARGS, use that. Otherwise use |
2024 |
|
* LT_HYPER/LT_KERNEL/LT_MBMODULE lines. |
2025 |
|
*/ |
2026 |
|
if (useKernelArgs) { |
2027 |
|
line = getLineByType(LT_KERNELARGS, entry->lines); |
2028 |
|
if (!line) { |
2029 |
|
/* no LT_KERNELARGS, need to add it */ |
2030 |
|
line = addLine(entry, cfg->cfi, LT_KERNELARGS, |
2031 |
|
cfg->secondaryIndent, NULL); |
2032 |
|
} |
2033 |
|
firstElement = 1; |
2034 |
|
|
2035 |
while ((entry = findEntryByPath(cfg, image, prefix, &index))) { |
} else if (multibootArgs) { |
2036 |
index++; |
line = getLineByType(LT_HYPER, entry->lines); |
2037 |
|
if (!line) { |
2038 |
|
/* a multiboot entry without LT_HYPER? */ |
2039 |
|
continue; |
2040 |
|
} |
2041 |
|
firstElement = 2; |
2042 |
|
|
2043 |
line = entry->lines; |
} else { |
2044 |
while (line && line->type != LT_KERNEL) line = line->next; |
line = getLineByType(LT_KERNEL|LT_MBMODULE, entry->lines); |
2045 |
if (!line) continue; |
if (!line) { |
2046 |
firstElement = 2; |
/* no LT_KERNEL or LT_MBMODULE in this entry? */ |
2047 |
|
continue; |
2048 |
if (entry->multiboot && !multibootArgs) { |
} |
2049 |
/* first mb module line is the real kernel */ |
firstElement = 2; |
|
while (line && line->type != LT_MBMODULE) line = line->next; |
|
|
firstElement = 2; |
|
|
} else if (useKernelArgs) { |
|
|
while (line && line->type != LT_KERNELARGS) line = line->next; |
|
|
firstElement = 1; |
|
2050 |
} |
} |
2051 |
|
|
2052 |
if (!line && useKernelArgs) { |
/* handle the elilo case which does: |
2053 |
/* no append in there, need to add it */ |
* append="hypervisor args -- kernel args" |
2054 |
line = addLine(entry, cfg->cfi, LT_KERNELARGS, NULL, NULL); |
*/ |
2055 |
|
if (entry->multiboot && cfg->cfi->mbConcatArgs) { |
2056 |
|
/* this is a multiboot entry, make sure there's |
2057 |
|
* -- on the args line |
2058 |
|
*/ |
2059 |
|
for (i = firstElement; i < line->numElements; i++) { |
2060 |
|
if (!strcmp(line->elements[i].item, "--")) |
2061 |
|
break; |
2062 |
|
} |
2063 |
|
if (i == line->numElements) { |
2064 |
|
/* assume all existing args are kernel args, |
2065 |
|
* prepend -- to make it official |
2066 |
|
*/ |
2067 |
|
insertElement(line, "--", firstElement, cfg->cfi); |
2068 |
|
i = firstElement; |
2069 |
|
} |
2070 |
|
if (!multibootArgs) { |
2071 |
|
/* kernel args start after the -- */ |
2072 |
|
firstElement = i + 1; |
2073 |
|
} |
2074 |
|
} else if (cfg->cfi->mbConcatArgs) { |
2075 |
|
/* this is a non-multiboot entry, remove hyper args */ |
2076 |
|
for (i = firstElement; i < line->numElements; i++) { |
2077 |
|
if (!strcmp(line->elements[i].item, "--")) |
2078 |
|
break; |
2079 |
|
} |
2080 |
|
if (i < line->numElements) { |
2081 |
|
/* remove args up to -- */ |
2082 |
|
while (strcmp(line->elements[firstElement].item, "--")) |
2083 |
|
removeElement(line, firstElement); |
2084 |
|
/* remove -- */ |
2085 |
|
removeElement(line, firstElement); |
2086 |
|
} |
2087 |
} |
} |
2088 |
|
|
2089 |
usedElements = calloc(line->numElements, sizeof(int)); |
usedElements = calloc(line->numElements, sizeof(*usedElements)); |
2090 |
|
|
2091 |
k = 0; |
for (k = 0, arg = newArgs; *arg; arg++, k++) { |
2092 |
for (arg = newArgs; *arg; arg++) { |
|
2093 |
if (usedArgs[k]) { |
doreplace = 1; |
|
k++; |
|
|
continue; |
|
|
} |
|
2094 |
for (i = firstElement; i < line->numElements; i++) { |
for (i = firstElement; i < line->numElements; i++) { |
2095 |
|
if (multibootArgs && cfg->cfi->mbConcatArgs && |
2096 |
|
!strcmp(line->elements[i].item, "--")) |
2097 |
|
{ |
2098 |
|
/* reached the end of hyper args, insert here */ |
2099 |
|
doreplace = 0; |
2100 |
|
break; |
2101 |
|
} |
2102 |
if (usedElements[i]) |
if (usedElements[i]) |
2103 |
continue; |
continue; |
2104 |
if (!argMatch(line->elements[i].item, *arg)) { |
if (!argMatch(line->elements[i].item, *arg)) { |
2105 |
usedElements[i]=1; |
usedElements[i]=1; |
|
usedArgs[k]=1; |
|
2106 |
break; |
break; |
2107 |
} |
} |
2108 |
} |
} |
|
chptr = strchr(*arg, '='); |
|
2109 |
|
|
2110 |
if (i < line->numElements) { |
if (i < line->numElements && doreplace) { |
2111 |
/* replace */ |
/* direct replacement */ |
2112 |
free(line->elements[i].item); |
free(line->elements[i].item); |
2113 |
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(""); |
|
|
} |
|
2114 |
|
|
2115 |
free(rootLine->elements[1].item); |
} else if (useRoot && !strncmp(*arg, "root=/dev/", 10)) { |
2116 |
rootLine->elements[1].item = strdup(chptr + 1); |
/* root= replacement */ |
2117 |
} else { |
rootLine = getLineByType(LT_ROOT, entry->lines); |
2118 |
/* append */ |
if (rootLine) { |
2119 |
line->elements = realloc(line->elements, |
free(rootLine->elements[1].item); |
2120 |
(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(" "); |
|
2121 |
} else { |
} else { |
2122 |
/* First thing on this line; treat a bit differently. Note |
rootLine = addLine(entry, cfg->cfi, LT_ROOT, |
2123 |
this is only possible if we've added a LT_KERNELARGS |
cfg->secondaryIndent, *arg + 5); |
|
entry */ |
|
|
line->elements[line->numElements].indent = strdup(""); |
|
2124 |
} |
} |
2125 |
|
} |
2126 |
|
|
2127 |
line->numElements++; |
else { |
2128 |
|
/* insert/append */ |
2129 |
|
insertElement(line, *arg, i, cfg->cfi); |
2130 |
|
usedElements = realloc(usedElements, line->numElements * |
2131 |
|
sizeof(*usedElements)); |
2132 |
|
memmove(&usedElements[i + 1], &usedElements[i], |
2133 |
|
line->numElements - i - 1); |
2134 |
|
usedElements[i] = 1; |
2135 |
|
|
2136 |
/* if we updated a root= here even though there is a |
/* if we updated a root= here even though there is a |
2137 |
LT_ROOT available we need to remove the LT_ROOT entry |
LT_ROOT available we need to remove the LT_ROOT entry |
2138 |
(this will happen if we switch from a device to a label) */ |
(this will happen if we switch from a device to a label) */ |
2139 |
if (useRoot && !strncmp(*arg, "root=", 5)) { |
if (useRoot && !strncmp(*arg, "root=", 5)) { |
2140 |
rootLine = entry->lines; |
rootLine = getLineByType(LT_ROOT, entry->lines); |
2141 |
while (rootLine && rootLine->type != LT_ROOT) |
if (rootLine) |
|
rootLine = rootLine->next; |
|
|
if (rootLine) { |
|
2142 |
removeLine(entry, rootLine); |
removeLine(entry, rootLine); |
|
} |
|
2143 |
} |
} |
2144 |
} |
} |
|
k++; |
|
2145 |
} |
} |
2146 |
|
|
2147 |
free(usedElements); |
free(usedElements); |
2148 |
|
|
|
/* 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? */ |
|
2149 |
for (arg = oldArgs; *arg; arg++) { |
for (arg = oldArgs; *arg; arg++) { |
2150 |
for (i = firstElement; i < line->numElements; i++) |
for (i = firstElement; i < line->numElements; i++) { |
2151 |
if (!argMatch(line->elements[i].item, *arg)) |
if (multibootArgs && cfg->cfi->mbConcatArgs && |
2152 |
|
!strcmp(line->elements[i].item, "--")) |
2153 |
|
/* reached the end of hyper args, stop here */ |
2154 |
|
break; |
2155 |
|
if (!argMatch(line->elements[i].item, *arg)) { |
2156 |
|
removeElement(line, i); |
2157 |
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; |
|
2158 |
} |
} |
2159 |
|
} |
2160 |
free(line->elements[i].item); |
/* handle removing LT_ROOT line too */ |
2161 |
|
if (useRoot && !strncmp(*arg, "root=", 5)) { |
2162 |
for (j = i + 1; j < line->numElements; j++) |
rootLine = getLineByType(LT_ROOT, entry->lines); |
2163 |
line->elements[j - 1] = line->elements[j]; |
if (rootLine) |
2164 |
|
removeLine(entry, rootLine); |
|
line->numElements--; |
|
2165 |
} |
} |
2166 |
} |
} |
2167 |
|
|
2172 |
} |
} |
2173 |
} |
} |
2174 |
|
|
|
free(usedArgs); |
|
2175 |
free(newArgs); |
free(newArgs); |
2176 |
free(oldArgs); |
free(oldArgs); |
2177 |
|
|
2197 |
return rc; |
return rc; |
2198 |
} |
} |
2199 |
|
|
2200 |
|
int updateInitrd(struct grubConfig * cfg, const char * image, |
2201 |
|
const char * prefix, const char * initrd) { |
2202 |
|
struct singleEntry * entry; |
2203 |
|
struct singleLine * line, * kernelLine; |
2204 |
|
int index = 0; |
2205 |
|
|
2206 |
|
if (!image) return 0; |
2207 |
|
|
2208 |
|
for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
2209 |
|
kernelLine = getLineByType(LT_KERNEL, entry->lines); |
2210 |
|
if (!kernelLine) continue; |
2211 |
|
|
2212 |
|
line = getLineByType(LT_INITRD, entry->lines); |
2213 |
|
if (line) |
2214 |
|
removeLine(entry, line); |
2215 |
|
if (prefix) { |
2216 |
|
int prefixLen = strlen(prefix); |
2217 |
|
if (!strncmp(initrd, prefix, prefixLen)) |
2218 |
|
initrd += prefixLen; |
2219 |
|
} |
2220 |
|
line = addLine(entry, cfg->cfi, LT_INITRD, kernelLine->indent, initrd); |
2221 |
|
if (!line) return 1; |
2222 |
|
break; |
2223 |
|
} |
2224 |
|
|
2225 |
|
return 0; |
2226 |
|
} |
2227 |
|
|
2228 |
int checkDeviceBootloader(const char * device, const unsigned char * boot) { |
int checkDeviceBootloader(const char * device, const unsigned char * boot) { |
2229 |
int fd; |
int fd; |
2230 |
unsigned char bootSect[512]; |
unsigned char bootSect[512]; |
2415 |
if (read(fd, bootSect, 512) != 512) { |
if (read(fd, bootSect, 512) != 512) { |
2416 |
fprintf(stderr, _("grubby: unable to read %s: %s\n"), |
fprintf(stderr, _("grubby: unable to read %s: %s\n"), |
2417 |
"/boot/grub/stage1", strerror(errno)); |
"/boot/grub/stage1", strerror(errno)); |
2418 |
|
close(fd); |
2419 |
|
return 1; |
2420 |
|
} |
2421 |
|
close(fd); |
2422 |
|
|
2423 |
|
return checkDeviceBootloader(boot, bootSect); |
2424 |
|
} |
2425 |
|
|
2426 |
|
int checkForExtLinux(struct grubConfig * config) { |
2427 |
|
int fd; |
2428 |
|
unsigned char bootSect[512]; |
2429 |
|
char * boot; |
2430 |
|
char executable[] = "/boot/extlinux/extlinux"; |
2431 |
|
|
2432 |
|
printf("entered: checkForExtLinux()\n"); |
2433 |
|
|
2434 |
|
if (parseSysconfigGrub(NULL, &boot)) |
2435 |
|
return 0; |
2436 |
|
|
2437 |
|
/* assume grub is not installed -- not an error condition */ |
2438 |
|
if (!boot) |
2439 |
|
return 0; |
2440 |
|
|
2441 |
|
fd = open(executable, O_RDONLY); |
2442 |
|
if (fd < 0) |
2443 |
|
/* this doesn't exist if grub hasn't been installed */ |
2444 |
|
return 0; |
2445 |
|
|
2446 |
|
if (read(fd, bootSect, 512) != 512) { |
2447 |
|
fprintf(stderr, _("grubby: unable to read %s: %s\n"), |
2448 |
|
executable, strerror(errno)); |
2449 |
return 1; |
return 1; |
2450 |
} |
} |
2451 |
close(fd); |
close(fd); |
2464 |
return rootspec; |
return rootspec; |
2465 |
} |
} |
2466 |
|
|
2467 |
|
static char * getInitrdVal(struct grubConfig * config, |
2468 |
|
const char * prefix, struct singleLine *tmplLine, |
2469 |
|
const char * newKernelInitrd, |
2470 |
|
char ** extraInitrds, int extraInitrdCount) |
2471 |
|
{ |
2472 |
|
char *initrdVal, *end; |
2473 |
|
int i; |
2474 |
|
size_t totalSize; |
2475 |
|
size_t prefixLen; |
2476 |
|
char separatorChar; |
2477 |
|
|
2478 |
|
prefixLen = strlen(prefix); |
2479 |
|
totalSize = strlen(newKernelInitrd) - prefixLen + 1 /* \0 */; |
2480 |
|
|
2481 |
|
for (i = 0; i < extraInitrdCount; i++) { |
2482 |
|
totalSize += sizeof(separatorChar); |
2483 |
|
totalSize += strlen(extraInitrds[i]) - prefixLen; |
2484 |
|
} |
2485 |
|
|
2486 |
|
initrdVal = end = malloc(totalSize); |
2487 |
|
|
2488 |
|
end = stpcpy (end, newKernelInitrd + prefixLen); |
2489 |
|
|
2490 |
|
separatorChar = getKeywordByType(LT_INITRD, config->cfi)->separatorChar; |
2491 |
|
for (i = 0; i < extraInitrdCount; i++) { |
2492 |
|
const char *extraInitrd; |
2493 |
|
int j; |
2494 |
|
|
2495 |
|
extraInitrd = extraInitrds[i] + prefixLen; |
2496 |
|
/* Don't add entries that are already there */ |
2497 |
|
if (tmplLine != NULL) { |
2498 |
|
for (j = 2; j < tmplLine->numElements; j++) |
2499 |
|
if (strcmp(extraInitrd, tmplLine->elements[j].item) == 0) |
2500 |
|
break; |
2501 |
|
|
2502 |
|
if (j != tmplLine->numElements) |
2503 |
|
continue; |
2504 |
|
} |
2505 |
|
|
2506 |
|
*end++ = separatorChar; |
2507 |
|
end = stpcpy(end, extraInitrd); |
2508 |
|
} |
2509 |
|
|
2510 |
|
return initrdVal; |
2511 |
|
} |
2512 |
|
|
2513 |
int addNewKernel(struct grubConfig * config, struct singleEntry * template, |
int addNewKernel(struct grubConfig * config, struct singleEntry * template, |
2514 |
const char * prefix, |
const char * prefix, |
2515 |
char * newKernelPath, char * newKernelTitle, |
char * newKernelPath, char * newKernelTitle, |
2516 |
char * newKernelArgs, char * newKernelInitrd, |
char * newKernelArgs, char * newKernelInitrd, |
2517 |
|
char ** extraInitrds, int extraInitrdCount, |
2518 |
char * newMBKernel, char * newMBKernelArgs) { |
char * newMBKernel, char * newMBKernelArgs) { |
2519 |
struct singleEntry * new; |
struct singleEntry * new; |
2520 |
struct singleLine * newLine = NULL, * tmplLine = NULL, * lastLine = NULL; |
struct singleLine * newLine = NULL, * tmplLine = NULL, * masterLine = NULL; |
2521 |
int needs; |
int needs; |
|
char * indent = NULL; |
|
|
char * rootspec = NULL; |
|
2522 |
char * chptr; |
char * chptr; |
|
int i; |
|
|
enum lineType_e type; |
|
2523 |
|
|
2524 |
if (!newKernelPath) return 0; |
if (!newKernelPath) return 0; |
2525 |
|
|
2549 |
config->entries = new; |
config->entries = new; |
2550 |
|
|
2551 |
/* copy/update from the template */ |
/* copy/update from the template */ |
2552 |
needs = KERNEL_KERNEL | KERNEL_INITRD | KERNEL_TITLE; |
needs = NEED_KERNEL | NEED_TITLE; |
2553 |
|
if (newKernelInitrd) |
2554 |
|
needs |= NEED_INITRD; |
2555 |
if (newMBKernel) { |
if (newMBKernel) { |
2556 |
needs |= KERNEL_MB; |
needs |= NEED_MB; |
2557 |
new->multiboot = 1; |
new->multiboot = 1; |
2558 |
} |
} |
2559 |
|
|
2560 |
if (template) { |
if (template) { |
2561 |
for (tmplLine = template->lines; tmplLine; tmplLine = tmplLine->next) { |
for (masterLine = template->lines; |
2562 |
/* remember the indention level; we may need it for new lines */ |
masterLine && (tmplLine = lineDup(masterLine)); |
2563 |
if (tmplLine->numElements) |
lineFree(tmplLine), masterLine = masterLine->next) |
2564 |
indent = tmplLine->indent; |
{ |
2565 |
|
dbgPrintf("addNewKernel processing %d\n", tmplLine->type); |
2566 |
|
|
2567 |
/* skip comments */ |
/* skip comments */ |
2568 |
chptr = tmplLine->indent; |
chptr = tmplLine->indent; |
2569 |
while (*chptr && isspace(*chptr)) chptr++; |
while (*chptr && isspace(*chptr)) chptr++; |
2570 |
if (*chptr == '#') continue; |
if (*chptr == '#') continue; |
2571 |
|
|
2572 |
/* we don't need an initrd here */ |
if (tmplLine->type == LT_KERNEL && |
2573 |
if (tmplLine->type == LT_INITRD && !newKernelInitrd) continue; |
tmplLine->numElements >= 2) { |
2574 |
|
if (!template->multiboot && (needs & NEED_MB)) { |
2575 |
if (tmplLine->type == LT_KERNEL && |
/* it's not a multiboot template and this is the kernel |
2576 |
!template->multiboot && (needs & KERNEL_MB)) { |
* line. Try to be intelligent about inserting the |
2577 |
struct singleLine *l; |
* hypervisor at the same time. |
2578 |
needs &= ~ KERNEL_MB; |
*/ |
2579 |
|
if (config->cfi->mbHyperFirst) { |
2580 |
l = addLine(new, config->cfi, LT_KERNEL, |
/* insert the hypervisor first */ |
2581 |
config->secondaryIndent, |
newLine = addLine(new, config->cfi, LT_HYPER, |
2582 |
newMBKernel + strlen(prefix)); |
tmplLine->indent, |
2583 |
|
newMBKernel + strlen(prefix)); |
2584 |
tmplLine = lastLine; |
/* set up for adding the kernel line */ |
2585 |
if (!new->lines) { |
free(tmplLine->indent); |
2586 |
new->lines = l; |
tmplLine->indent = strdup(config->secondaryIndent); |
2587 |
} else { |
needs &= ~NEED_MB; |
2588 |
newLine->next = l; |
} |
2589 |
newLine = l; |
if (needs & NEED_KERNEL) { |
2590 |
} |
/* use addLineTmpl to preserve line elements, |
2591 |
continue; |
* otherwise we could just call addLine. Unfortunately |
2592 |
} else if (tmplLine->type == LT_KERNEL && |
* this means making some changes to the template |
2593 |
template->multiboot && !new->multiboot) { |
* such as the indent change above and the type |
2594 |
continue; /* don't need multiboot kernel here */ |
* change below. |
2595 |
} |
*/ |
2596 |
|
struct keywordTypes * mbm_kw = |
2597 |
|
getKeywordByType(LT_MBMODULE, config->cfi); |
2598 |
|
if (mbm_kw) { |
2599 |
|
tmplLine->type = LT_MBMODULE; |
2600 |
|
free(tmplLine->elements[0].item); |
2601 |
|
tmplLine->elements[0].item = strdup(mbm_kw->key); |
2602 |
|
} |
2603 |
|
newLine = addLineTmpl(new, tmplLine, newLine, |
2604 |
|
newKernelPath + strlen(prefix), config->cfi); |
2605 |
|
needs &= ~NEED_KERNEL; |
2606 |
|
} |
2607 |
|
if (needs & NEED_MB) { /* !mbHyperFirst */ |
2608 |
|
newLine = addLine(new, config->cfi, LT_HYPER, |
2609 |
|
config->secondaryIndent, |
2610 |
|
newMBKernel + strlen(prefix)); |
2611 |
|
needs &= ~NEED_MB; |
2612 |
|
} |
2613 |
|
} else if (needs & NEED_KERNEL) { |
2614 |
|
newLine = addLineTmpl(new, tmplLine, newLine, |
2615 |
|
newKernelPath + strlen(prefix), config->cfi); |
2616 |
|
needs &= ~NEED_KERNEL; |
2617 |
|
} |
2618 |
|
|
2619 |
if (!new->lines) { |
} else if (tmplLine->type == LT_HYPER && |
2620 |
newLine = malloc(sizeof(*newLine)); |
tmplLine->numElements >= 2) { |
2621 |
new->lines = newLine; |
if (needs & NEED_MB) { |
2622 |
} else { |
newLine = addLineTmpl(new, tmplLine, newLine, |
2623 |
newLine->next = malloc(sizeof(*newLine)); |
newMBKernel + strlen(prefix), config->cfi); |
2624 |
newLine = newLine->next; |
needs &= ~NEED_MB; |
2625 |
} |
} |
2626 |
|
|
2627 |
|
} else if (tmplLine->type == LT_MBMODULE && |
2628 |
|
tmplLine->numElements >= 2) { |
2629 |
|
if (new->multiboot) { |
2630 |
|
if (needs & NEED_KERNEL) { |
2631 |
|
newLine = addLineTmpl(new, tmplLine, newLine, |
2632 |
|
newKernelPath + |
2633 |
|
strlen(prefix), config->cfi); |
2634 |
|
needs &= ~NEED_KERNEL; |
2635 |
|
} else if (config->cfi->mbInitRdIsModule && |
2636 |
|
(needs & NEED_INITRD)) { |
2637 |
|
char *initrdVal; |
2638 |
|
initrdVal = getInitrdVal(config, prefix, tmplLine, |
2639 |
|
newKernelInitrd, extraInitrds, |
2640 |
|
extraInitrdCount); |
2641 |
|
newLine = addLineTmpl(new, tmplLine, newLine, |
2642 |
|
initrdVal, config->cfi); |
2643 |
|
free(initrdVal); |
2644 |
|
needs &= ~NEED_INITRD; |
2645 |
|
} |
2646 |
|
} else if (needs & NEED_KERNEL) { |
2647 |
|
/* template is multi but new is not, |
2648 |
|
* insert the kernel in the first module slot |
2649 |
|
*/ |
2650 |
|
tmplLine->type = LT_KERNEL; |
2651 |
|
free(tmplLine->elements[0].item); |
2652 |
|
tmplLine->elements[0].item = |
2653 |
|
strdup(getKeywordByType(LT_KERNEL, config->cfi)->key); |
2654 |
|
newLine = addLineTmpl(new, tmplLine, newLine, |
2655 |
|
newKernelPath + strlen(prefix), config->cfi); |
2656 |
|
needs &= ~NEED_KERNEL; |
2657 |
|
} else if (needs & NEED_INITRD) { |
2658 |
|
char *initrdVal; |
2659 |
|
/* template is multi but new is not, |
2660 |
|
* insert the initrd in the second module slot |
2661 |
|
*/ |
2662 |
|
tmplLine->type = LT_INITRD; |
2663 |
|
free(tmplLine->elements[0].item); |
2664 |
|
tmplLine->elements[0].item = |
2665 |
|
strdup(getKeywordByType(LT_INITRD, config->cfi)->key); |
2666 |
|
initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount); |
2667 |
|
newLine = addLineTmpl(new, tmplLine, newLine, initrdVal, config->cfi); |
2668 |
|
free(initrdVal); |
2669 |
|
needs &= ~NEED_INITRD; |
2670 |
|
} |
2671 |
|
|
|
newLine->indent = strdup(tmplLine->indent); |
|
|
newLine->next = NULL; |
|
|
newLine->type = tmplLine->type; |
|
|
newLine->numElements = tmplLine->numElements; |
|
|
newLine->elements = malloc(sizeof(*newLine->elements) * |
|
|
newLine->numElements); |
|
|
for (i = 0; i < newLine->numElements; i++) { |
|
|
newLine->elements[i].item = strdup(tmplLine->elements[i].item); |
|
|
newLine->elements[i].indent = |
|
|
strdup(tmplLine->elements[i].indent); |
|
|
} |
|
|
|
|
|
lastLine = tmplLine; |
|
|
if (tmplLine->type == LT_KERNEL && tmplLine->numElements >= 2) { |
|
|
char * repl; |
|
|
if (!template->multiboot) { |
|
|
needs &= ~KERNEL_KERNEL; |
|
|
repl = newKernelPath; |
|
|
} else { |
|
|
needs &= ~KERNEL_MB; |
|
|
repl = newMBKernel; |
|
|
} |
|
|
if (new->multiboot && !template->multiboot) { |
|
|
free(newLine->elements[0].item); |
|
|
newLine->elements[0].item = strdup("module"); |
|
|
newLine->type = LT_MBMODULE; |
|
|
} |
|
|
free(newLine->elements[1].item); |
|
|
rootspec = getRootSpecifier(tmplLine->elements[1].item); |
|
|
if (rootspec != NULL) { |
|
|
newLine->elements[1].item = sdupprintf("%s%s", |
|
|
rootspec, |
|
|
repl + |
|
|
strlen(prefix)); |
|
|
} else { |
|
|
newLine->elements[1].item = strdup(repl + |
|
|
strlen(prefix)); |
|
|
} |
|
|
} else if (tmplLine->type == LT_MBMODULE && |
|
|
tmplLine->numElements >= 2 && (needs & KERNEL_KERNEL)) { |
|
|
needs &= ~KERNEL_KERNEL; |
|
|
if (!new->multiboot && template->multiboot) { |
|
|
free(newLine->elements[0].item); |
|
|
newLine->elements[0].item = strdup("kernel"); |
|
|
newLine->type = LT_KERNEL; |
|
|
} |
|
|
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)); |
|
|
} |
|
2672 |
} else if (tmplLine->type == LT_INITRD && |
} else if (tmplLine->type == LT_INITRD && |
2673 |
tmplLine->numElements >= 2) { |
tmplLine->numElements >= 2) { |
2674 |
needs &= ~KERNEL_INITRD; |
if (needs & NEED_INITRD && |
2675 |
free(newLine->elements[1].item); |
new->multiboot && !template->multiboot && |
2676 |
if (new->multiboot && !template->multiboot) { |
config->cfi->mbInitRdIsModule) { |
2677 |
free(newLine->elements[0].item); |
/* make sure we don't insert the module initrd |
2678 |
newLine->elements[0].item = strdup("module"); |
* before the module kernel... if we don't do it here, |
2679 |
newLine->type = LT_MBMODULE; |
* it will be inserted following the template. |
2680 |
} |
*/ |
2681 |
rootspec = getRootSpecifier(tmplLine->elements[1].item); |
if (!needs & NEED_KERNEL) { |
2682 |
if (rootspec != NULL) { |
char *initrdVal; |
2683 |
newLine->elements[1].item = sdupprintf("%s%s", |
|
2684 |
rootspec, |
initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount); |
2685 |
newKernelInitrd + |
newLine = addLine(new, config->cfi, LT_MBMODULE, |
2686 |
strlen(prefix)); |
config->secondaryIndent, |
2687 |
} else { |
initrdVal); |
2688 |
newLine->elements[1].item = strdup(newKernelInitrd + |
free(initrdVal); |
2689 |
strlen(prefix)); |
needs &= ~NEED_INITRD; |
2690 |
} |
} |
2691 |
} else if (tmplLine->type == LT_MBMODULE && |
} else if (needs & NEED_INITRD) { |
2692 |
tmplLine->numElements >= 2 && (needs & KERNEL_INITRD)) { |
char *initrdVal; |
2693 |
needs &= ~KERNEL_INITRD; |
initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount); |
2694 |
if (!new->multiboot && template->multiboot) { |
newLine = addLineTmpl(new, tmplLine, newLine, initrdVal, config->cfi); |
2695 |
free(newLine->elements[0].item); |
free(initrdVal); |
2696 |
newLine->elements[0].item = strdup("initrd"); |
needs &= ~NEED_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; |
|
|
|
|
|
for (i = 1; i < newLine->numElements; i++) { |
|
|
free(newLine->elements[i].item); |
|
|
free(newLine->elements[i].indent); |
|
2697 |
} |
} |
2698 |
|
|
|
newLine->elements[1].item = strdup(newKernelTitle); |
|
|
newLine->elements[1].indent = strdup(""); |
|
|
newLine->numElements = 2; |
|
2699 |
} else if (tmplLine->type == LT_TITLE && |
} else if (tmplLine->type == LT_TITLE && |
2700 |
config->cfi->titleBracketed && |
(needs & NEED_TITLE)) { |
2701 |
tmplLine->numElements == 1) { |
if (tmplLine->numElements >= 2) { |
2702 |
needs &= ~KERNEL_TITLE; |
newLine = addLineTmpl(new, tmplLine, newLine, |
2703 |
free(newLine->elements[0].item); |
newKernelTitle, config->cfi); |
2704 |
free(newLine->elements[0].indent); |
needs &= ~NEED_TITLE; |
2705 |
newLine->elements = malloc(sizeof(*newLine->elements) * |
} else if (tmplLine->numElements == 1 && |
2706 |
newLine->numElements); |
config->cfi->titleBracketed) { |
2707 |
|
/* addLineTmpl doesn't handle titleBracketed */ |
2708 |
newLine->elements[0].item = malloc(strlen(newKernelTitle) + 3); |
newLine = addLine(new, config->cfi, LT_TITLE, |
2709 |
sprintf(newLine->elements[0].item, "[%s]", newKernelTitle); |
tmplLine->indent, newKernelTitle); |
2710 |
newLine->elements[0].indent = strdup(""); |
needs &= ~NEED_TITLE; |
2711 |
newLine->numElements = 1; |
} |
2712 |
} |
|
2713 |
|
} else { |
2714 |
|
/* pass through other lines from the template */ |
2715 |
|
newLine = addLineTmpl(new, tmplLine, newLine, NULL, config->cfi); |
2716 |
|
} |
2717 |
} |
} |
2718 |
|
|
2719 |
} else { |
} else { |
2720 |
for (i = 0; config->cfi->keywords[i].key; i++) { |
/* don't have a template, so start the entry with the |
2721 |
if ((config->cfi->keywords[i].type == config->cfi->entrySeparator) || (config->cfi->keywords[i].type == LT_OTHER)) |
* appropriate starting line |
2722 |
|
*/ |
2723 |
|
switch (config->cfi->entrySeparator) { |
2724 |
|
case LT_KERNEL: |
2725 |
|
if (new->multiboot && config->cfi->mbHyperFirst) { |
2726 |
|
/* fall through to LT_HYPER */ |
2727 |
|
} else { |
2728 |
|
newLine = addLine(new, config->cfi, LT_KERNEL, |
2729 |
|
config->primaryIndent, |
2730 |
|
newKernelPath + strlen(prefix)); |
2731 |
|
needs &= ~NEED_KERNEL; |
2732 |
|
break; |
2733 |
|
} |
2734 |
|
|
2735 |
|
case LT_HYPER: |
2736 |
|
newLine = addLine(new, config->cfi, LT_HYPER, |
2737 |
|
config->primaryIndent, |
2738 |
|
newMBKernel + strlen(prefix)); |
2739 |
|
needs &= ~NEED_MB; |
2740 |
break; |
break; |
|
} |
|
2741 |
|
|
2742 |
switch (config->cfi->keywords[i].type) { |
case LT_TITLE: |
2743 |
case LT_KERNEL: needs &= ~KERNEL_KERNEL, |
if( useextlinuxmenu != 0 ){ // We just need useextlinuxmenu to not be zero (set above) |
2744 |
chptr = newKernelPath + strlen(prefix); |
char * templabel; |
2745 |
type = LT_KERNEL; break; |
int x = 0, y = 0; |
2746 |
case LT_TITLE: needs &= ~KERNEL_TITLE, chptr = newKernelTitle; |
|
2747 |
type = LT_TITLE; break; |
templabel = strdup(newKernelTitle); |
2748 |
default: |
while( templabel[x]){ |
2749 |
/* zipl strikes again */ |
if( templabel[x] == ' ' ){ |
2750 |
if (config->cfi->titleBracketed) { |
y = x; |
2751 |
needs &= ~KERNEL_TITLE; |
while( templabel[y] ){ |
2752 |
chptr = newKernelTitle; |
templabel[y] = templabel[y+1]; |
2753 |
type = LT_TITLE; |
y++; |
2754 |
break; |
} |
2755 |
} else { |
} |
2756 |
abort(); |
x++; |
2757 |
} |
} |
2758 |
} |
newLine = addLine(new, config->cfi, LT_TITLE, |
2759 |
|
config->primaryIndent, templabel); |
2760 |
|
free(templabel); |
2761 |
|
}else{ |
2762 |
|
newLine = addLine(new, config->cfi, LT_TITLE, |
2763 |
|
config->primaryIndent, newKernelTitle); |
2764 |
|
} |
2765 |
|
needs &= ~NEED_TITLE; |
2766 |
|
break; |
2767 |
|
|
2768 |
newLine = addLine(new, config->cfi, type, config->primaryIndent, chptr); |
default: |
2769 |
new->lines = newLine; |
abort(); |
2770 |
|
} |
2771 |
} |
} |
2772 |
|
|
2773 |
if (new->multiboot) { |
/* add the remainder of the lines, i.e. those that either |
2774 |
if (needs & KERNEL_MB) |
* weren't present in the template, or in the case of no template, |
2775 |
newLine = addLine(new, config->cfi, LT_KERNEL, |
* all the lines following the entrySeparator. |
2776 |
config->secondaryIndent, |
*/ |
2777 |
newMBKernel + strlen(prefix)); |
if (needs & NEED_TITLE) { |
2778 |
if (needs & KERNEL_KERNEL) |
newLine = addLine(new, config->cfi, LT_TITLE, |
2779 |
newLine = addLine(new, config->cfi, LT_MBMODULE, |
config->secondaryIndent, |
2780 |
config->secondaryIndent, |
newKernelTitle); |
2781 |
newKernelPath + strlen(prefix)); |
needs &= ~NEED_TITLE; |
2782 |
/* don't need to check for title as it's guaranteed to have been |
} |
2783 |
* done as we only do multiboot with grub which uses title as |
if ((needs & NEED_MB) && config->cfi->mbHyperFirst) { |
2784 |
* a separator */ |
newLine = addLine(new, config->cfi, LT_HYPER, |
2785 |
if (needs & KERNEL_INITRD && newKernelInitrd) |
config->secondaryIndent, |
2786 |
newLine = addLine(new, config->cfi, LT_MBMODULE, |
newMBKernel + strlen(prefix)); |
2787 |
config->secondaryIndent, |
needs &= ~NEED_MB; |
2788 |
newKernelInitrd + strlen(prefix)); |
} |
2789 |
} else { |
if (needs & NEED_KERNEL) { |
2790 |
if (needs & KERNEL_KERNEL) |
newLine = addLine(new, config->cfi, |
2791 |
newLine = addLine(new, config->cfi, LT_KERNEL, |
(new->multiboot && getKeywordByType(LT_MBMODULE, |
2792 |
config->secondaryIndent, |
config->cfi)) ? |
2793 |
newKernelPath + strlen(prefix)); |
LT_MBMODULE : LT_KERNEL, |
2794 |
if (needs & KERNEL_TITLE) |
config->secondaryIndent, |
2795 |
newLine = addLine(new, config->cfi, LT_TITLE, |
newKernelPath + strlen(prefix)); |
2796 |
config->secondaryIndent, |
needs &= ~NEED_KERNEL; |
2797 |
newKernelTitle); |
} |
2798 |
if (needs & KERNEL_INITRD && newKernelInitrd) |
if (needs & NEED_MB) { |
2799 |
newLine = addLine(new, config->cfi, LT_INITRD, |
newLine = addLine(new, config->cfi, LT_HYPER, |
2800 |
config->secondaryIndent, |
config->secondaryIndent, |
2801 |
newKernelInitrd + strlen(prefix)); |
newMBKernel + strlen(prefix)); |
2802 |
|
needs &= ~NEED_MB; |
2803 |
|
} |
2804 |
|
if (needs & NEED_INITRD) { |
2805 |
|
char *initrdVal; |
2806 |
|
initrdVal = getInitrdVal(config, prefix, NULL, newKernelInitrd, extraInitrds, extraInitrdCount); |
2807 |
|
newLine = addLine(new, config->cfi, |
2808 |
|
(new->multiboot && getKeywordByType(LT_MBMODULE, |
2809 |
|
config->cfi)) ? |
2810 |
|
LT_MBMODULE : LT_INITRD, |
2811 |
|
config->secondaryIndent, |
2812 |
|
initrdVal); |
2813 |
|
free(initrdVal); |
2814 |
|
needs &= ~NEED_INITRD; |
2815 |
|
} |
2816 |
|
|
2817 |
|
if (needs) { |
2818 |
|
printf(_("grubby: needs=%d, aborting\n"), needs); |
2819 |
|
abort(); |
2820 |
} |
} |
2821 |
|
|
2822 |
if (updateImage(config, "0", prefix, newKernelArgs, NULL, |
if (updateImage(config, "0", prefix, newKernelArgs, NULL, |
2825 |
return 0; |
return 0; |
2826 |
} |
} |
2827 |
|
|
2828 |
|
static void traceback(int signum) |
2829 |
|
{ |
2830 |
|
void *array[40]; |
2831 |
|
size_t size; |
2832 |
|
|
2833 |
|
signal(SIGSEGV, SIG_DFL); |
2834 |
|
memset(array, '\0', sizeof (array)); |
2835 |
|
size = backtrace(array, 40); |
2836 |
|
|
2837 |
|
fprintf(stderr, "grubby recieved SIGSEGV! Backtrace (%ld):\n", |
2838 |
|
(unsigned long)size); |
2839 |
|
backtrace_symbols_fd(array, size, STDERR_FILENO); |
2840 |
|
exit(1); |
2841 |
|
} |
2842 |
|
|
2843 |
int main(int argc, const char ** argv) { |
int main(int argc, const char ** argv) { |
2844 |
poptContext optCon; |
poptContext optCon; |
2845 |
char * grubConfig = NULL; |
char * grubConfig = NULL; |
2849 |
int badImageOkay = 0; |
int badImageOkay = 0; |
2850 |
int configureLilo = 0, configureELilo = 0, configureGrub = 0; |
int configureLilo = 0, configureELilo = 0, configureGrub = 0; |
2851 |
int configureYaboot = 0, configureSilo = 0, configureZipl = 0; |
int configureYaboot = 0, configureSilo = 0, configureZipl = 0; |
2852 |
|
int configureExtLinux = 0; |
2853 |
int bootloaderProbe = 0; |
int bootloaderProbe = 0; |
2854 |
|
int extraInitrdCount = 0; |
2855 |
char * updateKernelPath = NULL; |
char * updateKernelPath = NULL; |
2856 |
char * newKernelPath = NULL; |
char * newKernelPath = NULL; |
2857 |
char * removeKernelPath = NULL; |
char * removeKernelPath = NULL; |
2867 |
char * defaultKernel = NULL; |
char * defaultKernel = NULL; |
2868 |
char * removeArgs = NULL; |
char * removeArgs = NULL; |
2869 |
char * kernelInfo = NULL; |
char * kernelInfo = NULL; |
2870 |
|
char * extraInitrds[MAX_EXTRA_INITRDS] = { NULL }; |
2871 |
const char * chptr = NULL; |
const char * chptr = NULL; |
2872 |
struct configFileInfo * cfi = NULL; |
struct configFileInfo * cfi = NULL; |
2873 |
struct grubConfig * config; |
struct grubConfig * config; |
2908 |
_("display the path of the default kernel") }, |
_("display the path of the default kernel") }, |
2909 |
{ "elilo", 0, POPT_ARG_NONE, &configureELilo, 0, |
{ "elilo", 0, POPT_ARG_NONE, &configureELilo, 0, |
2910 |
_("configure elilo bootloader") }, |
_("configure elilo bootloader") }, |
2911 |
|
{ "extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0, |
2912 |
|
_("configure extlinux bootloader (from syslinux)") }, |
2913 |
{ "grub", 0, POPT_ARG_NONE, &configureGrub, 0, |
{ "grub", 0, POPT_ARG_NONE, &configureGrub, 0, |
2914 |
_("configure grub bootloader") }, |
_("configure grub bootloader") }, |
2915 |
{ "info", 0, POPT_ARG_STRING, &kernelInfo, 0, |
{ "info", 0, POPT_ARG_STRING, &kernelInfo, 0, |
2917 |
_("kernel-path") }, |
_("kernel-path") }, |
2918 |
{ "initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0, |
{ "initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0, |
2919 |
_("initrd image for the new kernel"), _("initrd-path") }, |
_("initrd image for the new kernel"), _("initrd-path") }, |
2920 |
|
{ "extra-initrd", 'i', POPT_ARG_STRING, NULL, 'i', |
2921 |
|
_("auxilliary initrd image for things other than the new kernel"), _("initrd-path") }, |
2922 |
{ "lilo", 0, POPT_ARG_NONE, &configureLilo, 0, |
{ "lilo", 0, POPT_ARG_NONE, &configureLilo, 0, |
2923 |
_("configure lilo bootloader") }, |
_("configure lilo bootloader") }, |
2924 |
{ "make-default", 0, 0, &makeDefault, 0, |
{ "make-default", 0, 0, &makeDefault, 0, |
2955 |
{ 0, 0, 0, 0, 0 } |
{ 0, 0, 0, 0, 0 } |
2956 |
}; |
}; |
2957 |
|
|
2958 |
|
useextlinuxmenu=0; |
2959 |
|
|
2960 |
|
signal(SIGSEGV, traceback); |
2961 |
|
|
2962 |
optCon = poptGetContext("grubby", argc, argv, options, 0); |
optCon = poptGetContext("grubby", argc, argv, options, 0); |
2963 |
poptReadDefaultConfig(optCon, 1); |
poptReadDefaultConfig(optCon, 1); |
2964 |
|
|
2968 |
printf("grubby version %s\n", VERSION); |
printf("grubby version %s\n", VERSION); |
2969 |
exit(0); |
exit(0); |
2970 |
break; |
break; |
2971 |
|
case 'i': |
2972 |
|
if (extraInitrdCount < MAX_EXTRA_INITRDS) { |
2973 |
|
extraInitrds[extraInitrdCount++] = strdup(poptGetOptArg(optCon)); |
2974 |
|
} else { |
2975 |
|
fprintf(stderr, _("grubby: extra initrd maximum is %d\n"), extraInitrdCount); |
2976 |
|
return 1; |
2977 |
|
} |
2978 |
|
break; |
2979 |
} |
} |
2980 |
} |
} |
2981 |
|
|
2992 |
} |
} |
2993 |
|
|
2994 |
if ((configureLilo + configureGrub + configureELilo + |
if ((configureLilo + configureGrub + configureELilo + |
2995 |
configureYaboot + configureSilo + configureZipl) > 1) { |
configureYaboot + configureSilo + configureZipl + |
2996 |
|
configureExtLinux ) > 1) { |
2997 |
fprintf(stderr, _("grubby: cannot specify multiple bootloaders\n")); |
fprintf(stderr, _("grubby: cannot specify multiple bootloaders\n")); |
2998 |
return 1; |
return 1; |
2999 |
} else if (bootloaderProbe && grubConfig) { |
} else if (bootloaderProbe && grubConfig) { |
3012 |
cfi = &siloConfigType; |
cfi = &siloConfigType; |
3013 |
} else if (configureZipl) { |
} else if (configureZipl) { |
3014 |
cfi = &ziplConfigType; |
cfi = &ziplConfigType; |
3015 |
|
} else if (configureExtLinux) { |
3016 |
|
cfi = &extlinuxConfigType; |
3017 |
|
useextlinuxmenu=1; |
3018 |
} |
} |
3019 |
|
|
3020 |
if (!cfi) { |
if (!cfi) { |
3054 |
if (newKernelPath && !newKernelTitle) { |
if (newKernelPath && !newKernelTitle) { |
3055 |
fprintf(stderr, _("grubby: kernel title must be specified\n")); |
fprintf(stderr, _("grubby: kernel title must be specified\n")); |
3056 |
return 1; |
return 1; |
3057 |
} else if (!newKernelPath && (newKernelTitle || newKernelInitrd || |
} else if (!newKernelPath && (newKernelTitle || copyDefault || |
3058 |
newKernelInitrd || copyDefault || |
(newKernelInitrd && !updateKernelPath)|| |
3059 |
makeDefault)) { |
makeDefault || extraInitrdCount > 0)) { |
3060 |
fprintf(stderr, _("grubby: kernel path expected\n")); |
fprintf(stderr, _("grubby: kernel path expected\n")); |
3061 |
return 1; |
return 1; |
3062 |
} |
} |
3109 |
bootPrefix = ""; |
bootPrefix = ""; |
3110 |
} |
} |
3111 |
|
|
3112 |
|
if (!cfi->mbAllowExtraInitRds && |
3113 |
|
extraInitrdCount > 0) { |
3114 |
|
fprintf(stderr, _("grubby: %s doesn't allow multiple initrds\n"), cfi->defaultConfig); |
3115 |
|
return 1; |
3116 |
|
} |
3117 |
|
|
3118 |
if (bootloaderProbe) { |
if (bootloaderProbe) { |
3119 |
int lrc = 0, grc = 0; |
int lrc = 0, grc = 0, erc = 0; |
3120 |
struct grubConfig * lconfig, * gconfig; |
struct grubConfig * lconfig, * gconfig; |
3121 |
|
|
3122 |
if (!access(grubConfigType.defaultConfig, F_OK)) { |
if (!access(grubConfigType.defaultConfig, F_OK)) { |
3135 |
lrc = checkForLilo(lconfig); |
lrc = checkForLilo(lconfig); |
3136 |
} |
} |
3137 |
|
|
3138 |
|
if (!access(extlinuxConfigType.defaultConfig, F_OK)) { |
3139 |
|
lconfig = readConfig(extlinuxConfigType.defaultConfig, &extlinuxConfigType); |
3140 |
|
if (!lconfig) |
3141 |
|
erc = 1; |
3142 |
|
else |
3143 |
|
erc = checkForExtLinux(lconfig); |
3144 |
|
} |
3145 |
|
|
3146 |
if (lrc == 1 || grc == 1) return 1; |
if (lrc == 1 || grc == 1) return 1; |
3147 |
|
|
3148 |
if (lrc == 2) printf("lilo\n"); |
if (lrc == 2) printf("lilo\n"); |
3149 |
if (grc == 2) printf("grub\n"); |
if (grc == 2) printf("grub\n"); |
3150 |
|
if (erc == 2) printf("extlinux\n"); |
3151 |
|
|
3152 |
return 0; |
return 0; |
3153 |
} |
} |
3165 |
if (!entry) return 0; |
if (!entry) return 0; |
3166 |
if (!suitableImage(entry, bootPrefix, 0, flags)) return 0; |
if (!suitableImage(entry, bootPrefix, 0, flags)) return 0; |
3167 |
|
|
3168 |
line = entry->lines; |
line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines); |
|
while (line && line->type != LT_KERNEL) line = line->next; |
|
3169 |
if (!line) return 0; |
if (!line) return 0; |
3170 |
|
|
3171 |
rootspec = getRootSpecifier(line->elements[1].item); |
rootspec = getRootSpecifier(line->elements[1].item); |
3188 |
setFallbackImage(config, newKernelPath != NULL); |
setFallbackImage(config, newKernelPath != NULL); |
3189 |
if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs, |
if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs, |
3190 |
removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1; |
removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1; |
3191 |
|
if (updateKernelPath && newKernelInitrd) { |
3192 |
|
if (updateInitrd(config, updateKernelPath, bootPrefix, |
3193 |
|
newKernelInitrd)) return 1; |
3194 |
|
} |
3195 |
if (addNewKernel(config, template, bootPrefix, newKernelPath, |
if (addNewKernel(config, template, bootPrefix, newKernelPath, |
3196 |
newKernelTitle, newKernelArgs, newKernelInitrd, |
newKernelTitle, newKernelArgs, newKernelInitrd, |
3197 |
|
extraInitrds, extraInitrdCount, |
3198 |
newMBKernel, newMBKernelArgs)) return 1; |
newMBKernel, newMBKernelArgs)) return 1; |
3199 |
|
|
3200 |
|
|