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/* Copyright (C) 2001-2005 Red Hat, Inc. |
/* |
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* grubby.c |
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This program is free software; you can redistribute it and/or |
* |
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modify it under the terms of the General Public License as published |
* Copyright (C) 2001-2008 Red Hat, Inc. |
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by the Free Software Foundation; either version 2 of the License, or |
* All rights reserved. |
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(at your option) any later version. |
* |
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|
* This program is free software; you can redistribute it and/or modify |
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This program is distributed in the hope that it will be useful, |
* it under the terms of the GNU General Public License as published by |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
* the Free Software Foundation; either version 2 of the License, or |
10 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
* (at your option) any later version. |
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General Public License for more details. |
* |
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|
* This program is distributed in the hope that it will be useful, |
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You should have received a copy of the GNU General Public |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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License along with this program; if not, write to the Free |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
* GNU General Public License for more details. |
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02111-1307 USA. */ |
* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#ifndef _GNU_SOURCE |
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#define _GNU_SOURCE |
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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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#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 |
}; |
}; |
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|
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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, |
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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, |
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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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|
96 |
#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; |
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} ; |
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; |
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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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}; |
}; |
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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 */ |
.defaultConfig = "/boot/grub/grub.conf", |
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grubKeywords, /* keywords */ |
.keywords = grubKeywords, |
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1, /* defaultIsIndex */ |
.defaultIsIndex = 1, |
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1, /* defaultSupportSaved */ |
.defaultSupportSaved = 1, |
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LT_TITLE, /* entrySeparator */ |
.entrySeparator = LT_TITLE, |
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1, /* needsBootPrefix */ |
.needsBootPrefix = 1, |
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0, /* argsInQuotes */ |
.mbHyperFirst = 1, |
149 |
0, /* maxTitleLength */ |
.mbInitRdIsModule = 1, |
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0, /* titleBracketed */ |
.mbAllowExtraInitRds = 1, |
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}; |
}; |
152 |
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|
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struct keywordTypes yabootKeywords[] = { |
struct keywordTypes yabootKeywords[] = { |
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{ "partition", LT_GENERIC, '=' }, |
{ "partition", LT_GENERIC, '=' }, |
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{ "device", LT_GENERIC, '=' }, |
{ "device", LT_GENERIC, '=' }, |
183 |
{ "fstype", LT_GENERIC, '=' }, |
{ "fstype", LT_GENERIC, '=' }, |
184 |
{ "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 }, |
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}; |
}; |
203 |
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|
204 |
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struct keywordTypes eliloKeywords[] = { |
205 |
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{ "label", LT_TITLE, '=' }, |
206 |
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{ "root", LT_ROOT, '=' }, |
207 |
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{ "default", LT_DEFAULT, '=' }, |
208 |
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{ "image", LT_KERNEL, '=' }, |
209 |
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{ "initrd", LT_INITRD, '=' }, |
210 |
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{ "append", LT_KERNELARGS, '=' }, |
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{ "vmm", LT_HYPER, '=' }, |
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{ NULL, 0, 0 }, |
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}; |
214 |
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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 }, |
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}; |
}; |
235 |
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236 |
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struct keywordTypes extlinuxKeywords[] = { |
237 |
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{ "label", LT_TITLE, ' ' }, |
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{ "root", LT_ROOT, ' ' }, |
239 |
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{ "default", LT_DEFAULT, ' ' }, |
240 |
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{ "kernel", LT_KERNEL, ' ' }, |
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{ "initrd", LT_INITRD, ' ', ',' }, |
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{ "append", LT_KERNELARGS, ' ' }, |
243 |
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{ "prompt", LT_UNKNOWN, ' ' }, |
244 |
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{ NULL, 0, 0 }, |
245 |
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}; |
246 |
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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 */ |
.defaultConfig = "/boot/efi/EFI/redhat/elilo.conf", |
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liloKeywords, /* keywords */ |
.keywords = eliloKeywords, |
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0, /* defaultIsIndex */ |
.entrySeparator = LT_KERNEL, |
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0, /* defaultSupportSaved */ |
.needsBootPrefix = 1, |
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LT_KERNEL, /* entrySeparator */ |
.argsInQuotes = 1, |
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1, /* needsBootPrefix */ |
.mbConcatArgs = 1, |
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1, /* argsInQuotes */ |
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0, /* maxTitleLength */ |
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0, /* titleBracketed */ |
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}; |
}; |
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struct configFileInfo liloConfigType = { |
struct configFileInfo liloConfigType = { |
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"/etc/lilo.conf", /* defaultConfig */ |
.defaultConfig = "/etc/lilo.conf", |
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liloKeywords, /* keywords */ |
.keywords = liloKeywords, |
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0, /* defaultIsIndex */ |
.entrySeparator = LT_KERNEL, |
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0, /* defaultSupportSaved */ |
.argsInQuotes = 1, |
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LT_KERNEL, /* entrySeparator */ |
.maxTitleLength = 15, |
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0, /* needsBootPrefix */ |
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1, /* argsInQuotes */ |
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15, /* maxTitleLength */ |
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0, /* titleBracketed */ |
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}; |
}; |
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struct configFileInfo yabootConfigType = { |
struct configFileInfo yabootConfigType = { |
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"/etc/yaboot.conf", /* defaultConfig */ |
.defaultConfig = "/etc/yaboot.conf", |
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yabootKeywords, /* keywords */ |
.keywords = yabootKeywords, |
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0, /* defaultIsIndex */ |
.entrySeparator = LT_KERNEL, |
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0, /* defaultSupportSaved */ |
.needsBootPrefix = 1, |
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LT_KERNEL, /* entrySeparator */ |
.argsInQuotes = 1, |
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1, /* needsBootPrefix */ |
.maxTitleLength = 15, |
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1, /* argsInQuotes */ |
.mbAllowExtraInitRds = 1, |
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15, /* maxTitleLength */ |
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0, /* titleBracketed */ |
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}; |
}; |
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struct configFileInfo siloConfigType = { |
struct configFileInfo siloConfigType = { |
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"/etc/silo.conf", /* defaultConfig */ |
.defaultConfig = "/etc/silo.conf", |
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siloKeywords, /* keywords */ |
.keywords = siloKeywords, |
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0, /* defaultIsIndex */ |
.entrySeparator = LT_KERNEL, |
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0, /* defaultSupportSaved */ |
.needsBootPrefix = 1, |
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LT_KERNEL, /* entrySeparator */ |
.argsInQuotes = 1, |
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1, /* needsBootPrefix */ |
.maxTitleLength = 15, |
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1, /* argsInQuotes */ |
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15, /* maxTitleLength */ |
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0, /* titleBracketed */ |
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}; |
}; |
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struct configFileInfo ziplConfigType = { |
struct configFileInfo ziplConfigType = { |
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"/etc/zipl.conf", /* defaultConfig */ |
.defaultConfig = "/etc/zipl.conf", |
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ziplKeywords, /* keywords */ |
.keywords = ziplKeywords, |
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0, /* defaultIsIndex */ |
.entrySeparator = LT_TITLE, |
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0, /* defaultSupportSaved */ |
.argsInQuotes = 1, |
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LT_TITLE, /* entrySeparator */ |
.titleBracketed = 1, |
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0, /* needsBootPrefix */ |
}; |
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1, /* argsInQuotes */ |
|
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15, /* maxTitleLength */ |
struct configFileInfo extlinuxConfigType = { |
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1, /* titleBracketed */ |
.defaultConfig = "/boot/extlinux/extlinux.conf", |
293 |
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.keywords = extlinuxKeywords, |
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.entrySeparator = LT_TITLE, |
295 |
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.needsBootPrefix = 1, |
296 |
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.maxTitleLength = 255, |
297 |
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.mbAllowExtraInitRds = 1, |
298 |
}; |
}; |
299 |
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300 |
struct grubConfig { |
struct grubConfig { |
309 |
struct configFileInfo * cfi; |
struct configFileInfo * cfi; |
310 |
}; |
}; |
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312 |
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blkid_cache blkid; |
313 |
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struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index); |
struct singleEntry * findEntryByIndex(struct grubConfig * cfg, int index); |
315 |
struct singleEntry * findEntryByPath(struct grubConfig * cfg, |
struct singleEntry * findEntryByPath(struct grubConfig * cfg, |
316 |
const char * path, const char * prefix, |
const char * path, const char * prefix, |
317 |
int * index); |
int * index); |
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static char * strndup(char * from, int len); |
|
318 |
static int readFile(int fd, char ** bufPtr); |
static int readFile(int fd, char ** bufPtr); |
319 |
static void lineInit(struct singleLine * line); |
static void lineInit(struct singleLine * line); |
320 |
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struct singleLine * lineDup(struct singleLine * line); |
321 |
static void lineFree(struct singleLine * line); |
static void lineFree(struct singleLine * line); |
322 |
static int lineWrite(FILE * out, struct singleLine * line, |
static int lineWrite(FILE * out, struct singleLine * line, |
323 |
struct configFileInfo * cfi); |
struct configFileInfo * cfi); |
324 |
static int getNextLine(char ** bufPtr, struct singleLine * line, |
static int getNextLine(char ** bufPtr, struct singleLine * line, |
325 |
struct configFileInfo * cfi); |
struct configFileInfo * cfi); |
326 |
static char * getRootSpecifier(char * str); |
static char * getRootSpecifier(char * str); |
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static void insertElement(struct singleLine * line, |
328 |
static char * strndup(char * from, int len) { |
const char * item, int insertHere, |
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char * to; |
struct configFileInfo * cfi); |
330 |
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static void removeElement(struct singleLine * line, int removeHere); |
331 |
to = malloc(len + 1); |
static struct keywordTypes * getKeywordByType(enum lineType_e type, |
332 |
strncpy(to, from, len); |
struct configFileInfo * cfi); |
333 |
to[len] = '\0'; |
static enum lineType_e getTypeByKeyword(char * keyword, |
334 |
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struct configFileInfo * cfi); |
335 |
return to; |
static struct singleLine * getLineByType(enum lineType_e type, |
336 |
} |
struct singleLine * line); |
337 |
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static int checkForExtLinux(struct grubConfig * config); |
338 |
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struct singleLine * addLineTmpl(struct singleEntry * entry, |
339 |
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struct singleLine * tmplLine, |
340 |
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struct singleLine * prevLine, |
341 |
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const char * val, |
342 |
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struct configFileInfo * cfi); |
343 |
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struct singleLine * addLine(struct singleEntry * entry, |
344 |
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struct configFileInfo * cfi, |
345 |
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enum lineType_e type, char * defaultIndent, |
346 |
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const char * val); |
347 |
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348 |
static char * sdupprintf(const char *format, ...) |
static char * sdupprintf(const char *format, ...) |
349 |
#ifdef __GNUC__ |
#ifdef __GNUC__ |
378 |
return buf; |
return buf; |
379 |
} |
} |
380 |
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381 |
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static struct keywordTypes * getKeywordByType(enum lineType_e type, |
382 |
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struct configFileInfo * cfi) { |
383 |
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struct keywordTypes * kw; |
384 |
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for (kw = cfi->keywords; kw->key; kw++) { |
385 |
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if (kw->type == type) |
386 |
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return kw; |
387 |
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} |
388 |
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return NULL; |
389 |
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} |
390 |
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391 |
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static char * getpathbyspec(char *device) { |
392 |
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if (!blkid) |
393 |
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blkid_get_cache(&blkid, NULL); |
394 |
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395 |
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return blkid_get_devname(blkid, device, NULL); |
396 |
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} |
397 |
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398 |
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static char * getuuidbydev(char *device) { |
399 |
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if (!blkid) |
400 |
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blkid_get_cache(&blkid, NULL); |
401 |
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402 |
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return blkid_get_tag_value(blkid, "UUID", device); |
403 |
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} |
404 |
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405 |
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static enum lineType_e getTypeByKeyword(char * keyword, |
406 |
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struct configFileInfo * cfi) { |
407 |
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struct keywordTypes * kw; |
408 |
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for (kw = cfi->keywords; kw->key; kw++) { |
409 |
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if (!strcmp(keyword, kw->key)) |
410 |
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return kw->type; |
411 |
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} |
412 |
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return LT_UNKNOWN; |
413 |
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} |
414 |
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415 |
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static struct singleLine * getLineByType(enum lineType_e type, |
416 |
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struct singleLine * line) { |
417 |
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dbgPrintf("getLineByType(%d): ", type); |
418 |
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for (; line; line = line->next) { |
419 |
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dbgPrintf("%d:%s ", line->type, |
420 |
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line->numElements ? line->elements[0].item : "(empty)"); |
421 |
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if (line->type & type) break; |
422 |
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} |
423 |
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dbgPrintf(line ? "\n" : " (failed)\n"); |
424 |
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return line; |
425 |
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} |
426 |
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|
427 |
static int isBracketedTitle(struct singleLine * line) { |
static int isBracketedTitle(struct singleLine * line) { |
428 |
if ((*line->elements[0].item == '[') && (line->numElements == 1)) { |
if (line->numElements == 1 && *line->elements[0].item == '[') { |
429 |
int len = strlen(line->elements[0].item); |
int len = strlen(line->elements[0].item); |
430 |
if (*(line->elements[0].item + len - 1) == ']') { |
if (*(line->elements[0].item + len - 1) == ']') { |
431 |
/* FIXME: this is a hack... */ |
/* FIXME: this is a hack... */ |
437 |
return 0; |
return 0; |
438 |
} |
} |
439 |
|
|
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/* figure out if this is a entry separator */ |
|
440 |
static int isEntrySeparator(struct singleLine * line, |
static int isEntrySeparator(struct singleLine * line, |
441 |
struct configFileInfo * cfi) { |
struct configFileInfo * cfi) { |
442 |
if (line->type == LT_WHITESPACE) |
return line->type == cfi->entrySeparator || line->type == LT_OTHER || |
443 |
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; |
|
444 |
} |
} |
445 |
|
|
446 |
/* extract the title from within brackets (for zipl) */ |
/* extract the title from within brackets (for zipl) */ |
491 |
line->next = NULL; |
line->next = NULL; |
492 |
} |
} |
493 |
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|
494 |
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struct singleLine * lineDup(struct singleLine * line) { |
495 |
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int i; |
496 |
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struct singleLine * newLine = malloc(sizeof(*newLine)); |
497 |
|
|
498 |
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newLine->indent = strdup(line->indent); |
499 |
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newLine->next = NULL; |
500 |
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newLine->type = line->type; |
501 |
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newLine->numElements = line->numElements; |
502 |
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newLine->elements = malloc(sizeof(*newLine->elements) * |
503 |
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newLine->numElements); |
504 |
|
|
505 |
|
for (i = 0; i < newLine->numElements; i++) { |
506 |
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newLine->elements[i].indent = strdup(line->elements[i].indent); |
507 |
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newLine->elements[i].item = strdup(line->elements[i].item); |
508 |
|
} |
509 |
|
|
510 |
|
return newLine; |
511 |
|
} |
512 |
|
|
513 |
static void lineFree(struct singleLine * line) { |
static void lineFree(struct singleLine * line) { |
514 |
int i; |
int i; |
515 |
|
|
535 |
if (fputc('"', out) == EOF) return -1; |
if (fputc('"', out) == EOF) return -1; |
536 |
|
|
537 |
if (fprintf(out, "%s", line->elements[i].item) == -1) return -1; |
if (fprintf(out, "%s", line->elements[i].item) == -1) return -1; |
538 |
if (fprintf(out, "%s", line->elements[i].indent) == -1) return -1; |
if (i < line->numElements - 1) |
539 |
|
if (fprintf(out, "%s", line->elements[i].indent) == -1) return -1; |
540 |
} |
} |
541 |
|
|
542 |
if (line->type == LT_KERNELARGS && cfi->argsInQuotes) |
if (line->type == LT_KERNELARGS && cfi->argsInQuotes) |
555 |
char * chptr; |
char * chptr; |
556 |
int elementsAlloced = 0; |
int elementsAlloced = 0; |
557 |
struct lineElement * element; |
struct lineElement * element; |
|
struct keywordTypes * keywords = cfi->keywords; |
|
558 |
int first = 1; |
int first = 1; |
|
int i; |
|
559 |
|
|
560 |
lineFree(line); |
lineFree(line); |
561 |
|
|
609 |
if (!line->numElements) |
if (!line->numElements) |
610 |
line->type = LT_WHITESPACE; |
line->type = LT_WHITESPACE; |
611 |
else { |
else { |
612 |
for (i = 0; keywords[i].key; i++) |
line->type = getTypeByKeyword(line->elements[0].item, cfi); |
613 |
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; |
|
|
|
|
614 |
/* zipl does [title] instead of something reasonable like all |
/* zipl does [title] instead of something reasonable like all |
615 |
* the other boot loaders. kind of ugly */ |
* the other boot loaders. kind of ugly */ |
616 |
if (cfi->titleBracketed && isBracketedTitle(line)) { |
if (cfi->titleBracketed && isBracketedTitle(line)) { |
646 |
line->type = LT_WHITESPACE; |
line->type = LT_WHITESPACE; |
647 |
line->numElements = 0; |
line->numElements = 0; |
648 |
} |
} |
649 |
|
} else { |
650 |
|
struct keywordTypes *kw; |
651 |
|
|
652 |
|
kw = getKeywordByType(line->type, cfi); |
653 |
|
|
654 |
|
/* space isn't the only separator, we need to split |
655 |
|
* elements up more |
656 |
|
*/ |
657 |
|
if (!isspace(kw->separatorChar)) { |
658 |
|
int i; |
659 |
|
char indent[2] = ""; |
660 |
|
indent[0] = kw->separatorChar; |
661 |
|
for (i = 1; i < line->numElements; i++) { |
662 |
|
char *p; |
663 |
|
int j; |
664 |
|
int numNewElements; |
665 |
|
|
666 |
|
numNewElements = 0; |
667 |
|
p = line->elements[i].item; |
668 |
|
while (*p != '\0') { |
669 |
|
if (*p == kw->separatorChar) |
670 |
|
numNewElements++; |
671 |
|
p++; |
672 |
|
} |
673 |
|
if (line->numElements + numNewElements >= elementsAlloced) { |
674 |
|
elementsAlloced += numNewElements + 5; |
675 |
|
line->elements = realloc(line->elements, |
676 |
|
sizeof(*line->elements) * elementsAlloced); |
677 |
|
} |
678 |
|
|
679 |
|
for (j = line->numElements; j > i; j--) { |
680 |
|
line->elements[j + numNewElements] = line->elements[j]; |
681 |
|
} |
682 |
|
line->numElements += numNewElements; |
683 |
|
|
684 |
|
p = line->elements[i].item; |
685 |
|
while (*p != '\0') { |
686 |
|
|
687 |
|
while (*p != kw->separatorChar && *p != '\0') p++; |
688 |
|
if (*p == '\0') { |
689 |
|
break; |
690 |
|
} |
691 |
|
|
692 |
|
free(line->elements[i].indent); |
693 |
|
line->elements[i].indent = strdup(indent); |
694 |
|
*p++ = '\0'; |
695 |
|
i++; |
696 |
|
line->elements[i].item = strdup(p); |
697 |
|
line->elements[i].indent = strdup(""); |
698 |
|
p = line->elements[i].item; |
699 |
|
} |
700 |
|
} |
701 |
|
} |
702 |
} |
} |
703 |
} |
} |
704 |
|
|
781 |
if (line->type == LT_DEFAULT && line->numElements == 2) { |
if (line->type == LT_DEFAULT && line->numElements == 2) { |
782 |
cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT; |
cfg->flags &= ~GRUB_CONFIG_NO_DEFAULT; |
783 |
defaultLine = line; |
defaultLine = line; |
784 |
|
|
785 |
|
} else if (line->type == LT_KERNEL) { |
786 |
|
/* if by some freak chance this is multiboot and the "module" |
787 |
|
* lines came earlier in the template, make sure to use LT_HYPER |
788 |
|
* instead of LT_KERNEL now |
789 |
|
*/ |
790 |
|
if (entry->multiboot) |
791 |
|
line->type = LT_HYPER; |
792 |
|
|
793 |
} else if (line->type == LT_MBMODULE) { |
} else if (line->type == LT_MBMODULE) { |
794 |
|
/* go back and fix the LT_KERNEL line to indicate LT_HYPER |
795 |
|
* instead, now that we know this is a multiboot entry. |
796 |
|
* This only applies to grub, but that's the only place we |
797 |
|
* should find LT_MBMODULE lines anyway. |
798 |
|
*/ |
799 |
|
struct singleLine * l; |
800 |
|
for (l = entry->lines; l; l = l->next) { |
801 |
|
if (l->type == LT_HYPER) |
802 |
|
break; |
803 |
|
else if (l->type == LT_KERNEL) { |
804 |
|
l->type = LT_HYPER; |
805 |
|
break; |
806 |
|
} |
807 |
|
} |
808 |
entry->multiboot = 1; |
entry->multiboot = 1; |
809 |
|
|
810 |
|
} else if (line->type == LT_HYPER) { |
811 |
|
entry->multiboot = 1; |
812 |
|
|
813 |
} else if (line->type == LT_FALLBACK && line->numElements == 2) { |
} else if (line->type == LT_FALLBACK && line->numElements == 2) { |
814 |
cfg->fallbackImage = strtol(line->elements[1].item, &end, 10); |
cfg->fallbackImage = strtol(line->elements[1].item, &end, 10); |
815 |
if (*end) cfg->fallbackImage = -1; |
if (*end) cfg->fallbackImage = -1; |
816 |
|
|
817 |
} else if (line->type == LT_TITLE && line->numElements > 1) { |
} else if (line->type == LT_TITLE && line->numElements > 1) { |
818 |
/* make the title a single argument (undoing our parsing) */ |
/* make the title a single argument (undoing our parsing) */ |
819 |
len = 0; |
len = 0; |
838 |
line->elements[line->numElements - 1].indent; |
line->elements[line->numElements - 1].indent; |
839 |
line->elements[1].item = buf; |
line->elements[1].item = buf; |
840 |
line->numElements = 2; |
line->numElements = 2; |
841 |
|
|
842 |
} else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) { |
} else if (line->type == LT_KERNELARGS && cfi->argsInQuotes) { |
843 |
/* Strip off any " which may be present; they'll be put back |
/* Strip off any " which may be present; they'll be put back |
844 |
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 |
848 |
int last, len; |
int last, len; |
849 |
|
|
850 |
if (*line->elements[1].item == '"') |
if (*line->elements[1].item == '"') |
851 |
memcpy(line->elements[1].item, line->elements[1].item + 1, |
memmove(line->elements[1].item, line->elements[1].item + 1, |
852 |
strlen(line->elements[1].item + 1) + 1); |
strlen(line->elements[1].item + 1) + 1); |
853 |
|
|
854 |
last = line->numElements - 1; |
last = line->numElements - 1; |
855 |
len = strlen(line->elements[last].item) - 1; |
len = strlen(line->elements[last].item) - 1; |
856 |
if (line->elements[last].item[len] == '"') |
if (line->elements[last].item[len] == '"') |
857 |
line->elements[last].item[len] = '\0'; |
line->elements[last].item[len] = '\0'; |
858 |
} |
} |
|
|
|
859 |
} |
} |
860 |
|
|
861 |
/* If we find a generic config option which should live at the |
/* If we find a generic config option which should live at the |
875 |
movedLine = 1; |
movedLine = 1; |
876 |
continue; /* without setting 'last' */ |
continue; /* without setting 'last' */ |
877 |
} |
} |
878 |
|
|
879 |
/* If a second line of whitespace happens after a generic option |
/* If a second line of whitespace happens after a generic option |
880 |
which was moved, drop it. */ |
which was moved, drop it. */ |
881 |
if (movedLine && line->type == LT_WHITESPACE && last->type == LT_WHITESPACE) { |
if (movedLine && line->type == LT_WHITESPACE && last->type == LT_WHITESPACE) { |
891 |
entry->lines = line; |
entry->lines = line; |
892 |
else |
else |
893 |
last->next = line; |
last->next = line; |
894 |
|
dbgPrintf("readConfig added %d to %p\n", line->type, entry); |
895 |
} else { |
} else { |
896 |
if (!cfg->theLines) |
if (!cfg->theLines) |
897 |
cfg->theLines = line; |
cfg->theLines = line; |
898 |
else { |
else |
899 |
last->next = line; |
last->next = line; |
900 |
} |
dbgPrintf("readConfig added %d to cfg\n", line->type); |
901 |
} |
} |
902 |
|
|
903 |
last = line; |
last = line; |
927 |
extractTitle(line))) break; |
extractTitle(line))) break; |
928 |
} |
} |
929 |
i++; |
i++; |
930 |
|
entry = NULL; |
931 |
} |
} |
932 |
|
|
933 |
if (entry) cfg->defaultImage = i; |
if (entry){ |
934 |
|
cfg->defaultImage = i; |
935 |
|
}else{ |
936 |
|
cfg->defaultImage = -1; |
937 |
|
} |
938 |
} |
} |
939 |
|
} else { |
940 |
|
cfg->defaultImage = 0; |
941 |
} |
} |
942 |
|
|
943 |
return cfg; |
return cfg; |
973 |
|
|
974 |
if (!entry) return; |
if (!entry) return; |
975 |
|
|
976 |
line = entry->lines; |
line = getLineByType(LT_TITLE, entry->lines); |
|
while (line && line->type != LT_TITLE) line = line->next; |
|
977 |
|
|
978 |
if (line && line->numElements >= 2) |
if (line && line->numElements >= 2) |
979 |
fprintf(out, "%sdefault%s%s\n", indent, separator, |
fprintf(out, "%sdefault%s%s\n", indent, separator, |
1007 |
int rc; |
int rc; |
1008 |
|
|
1009 |
/* most likely the symlink is relative, so change our |
/* most likely the symlink is relative, so change our |
1010 |
directory to / */ |
directory to the dir of the symlink */ |
1011 |
rc = chdir("/"); |
rc = chdir(dirname(strdupa(outName))); |
1012 |
do { |
do { |
1013 |
buf = alloca(len + 1); |
buf = alloca(len + 1); |
1014 |
rc = readlink(outName, buf, len); |
rc = readlink(basename(outName), buf, len); |
1015 |
if (rc == len) len += 256; |
if (rc == len) len += 256; |
1016 |
} while (rc == len); |
} while (rc == len); |
1017 |
|
|
1115 |
return i; |
return i; |
1116 |
} |
} |
1117 |
|
|
1118 |
|
static char *findDiskForRoot() |
1119 |
|
{ |
1120 |
|
int fd; |
1121 |
|
char buf[65536]; |
1122 |
|
char *devname; |
1123 |
|
char *chptr; |
1124 |
|
int rc; |
1125 |
|
|
1126 |
|
if ((fd = open(_PATH_MOUNTED, O_RDONLY)) < 0) { |
1127 |
|
fprintf(stderr, "grubby: failed to open %s: %s\n", |
1128 |
|
_PATH_MOUNTED, strerror(errno)); |
1129 |
|
return NULL; |
1130 |
|
} |
1131 |
|
|
1132 |
|
rc = read(fd, buf, sizeof(buf) - 1); |
1133 |
|
if (rc <= 0) { |
1134 |
|
fprintf(stderr, "grubby: failed to read %s: %s\n", |
1135 |
|
_PATH_MOUNTED, strerror(errno)); |
1136 |
|
close(fd); |
1137 |
|
return NULL; |
1138 |
|
} |
1139 |
|
close(fd); |
1140 |
|
buf[rc] = '\0'; |
1141 |
|
chptr = buf; |
1142 |
|
|
1143 |
|
while (chptr && chptr != buf+rc) { |
1144 |
|
devname = chptr; |
1145 |
|
|
1146 |
|
/* |
1147 |
|
* The first column of a mtab entry is the device, but if the entry is a |
1148 |
|
* special device it won't start with /, so move on to the next line. |
1149 |
|
*/ |
1150 |
|
if (*devname != '/') { |
1151 |
|
chptr = strchr(chptr, '\n'); |
1152 |
|
if (chptr) |
1153 |
|
chptr++; |
1154 |
|
continue; |
1155 |
|
} |
1156 |
|
|
1157 |
|
/* Seek to the next space */ |
1158 |
|
chptr = strchr(chptr, ' '); |
1159 |
|
if (!chptr) { |
1160 |
|
fprintf(stderr, "grubby: error parsing %s: %s\n", |
1161 |
|
_PATH_MOUNTED, strerror(errno)); |
1162 |
|
return NULL; |
1163 |
|
} |
1164 |
|
|
1165 |
|
/* |
1166 |
|
* The second column of a mtab entry is the mount point, we are looking |
1167 |
|
* for '/' obviously. |
1168 |
|
*/ |
1169 |
|
if (*(++chptr) == '/' && *(++chptr) == ' ') { |
1170 |
|
/* |
1171 |
|
* Move back 2, which is the first space after the device name, set |
1172 |
|
* it to \0 so strdup will just get the devicename. |
1173 |
|
*/ |
1174 |
|
chptr -= 2; |
1175 |
|
*chptr = '\0'; |
1176 |
|
return strdup(devname); |
1177 |
|
} |
1178 |
|
|
1179 |
|
/* Next line */ |
1180 |
|
chptr = strchr(chptr, '\n'); |
1181 |
|
if (chptr) |
1182 |
|
chptr++; |
1183 |
|
} |
1184 |
|
|
1185 |
|
return NULL; |
1186 |
|
} |
1187 |
|
|
1188 |
int suitableImage(struct singleEntry * entry, const char * bootPrefix, |
int suitableImage(struct singleEntry * entry, const char * bootPrefix, |
1189 |
int skipRemoved, int flags) { |
int skipRemoved, int flags) { |
1190 |
struct singleLine * line; |
struct singleLine * line; |
1191 |
char * fullName; |
char * fullName; |
1192 |
int i; |
int i; |
|
struct stat sb, sb2; |
|
1193 |
char * dev; |
char * dev; |
|
char * end; |
|
1194 |
char * rootspec; |
char * rootspec; |
1195 |
|
char * rootdev; |
1196 |
|
|
|
line = entry->lines; |
|
|
while (line && line->type != LT_KERNEL) line = line->next; |
|
|
|
|
|
if (!line) return 0; |
|
1197 |
if (skipRemoved && entry->skip) return 0; |
if (skipRemoved && entry->skip) return 0; |
1198 |
if (line->numElements < 2) return 0; |
|
1199 |
|
line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines); |
1200 |
|
if (!line || line->numElements < 2) return 0; |
1201 |
|
|
1202 |
if (flags & GRUBBY_BADIMAGE_OKAY) return 1; |
if (flags & GRUBBY_BADIMAGE_OKAY) return 1; |
1203 |
|
|
1205 |
strlen(line->elements[1].item) + 1); |
strlen(line->elements[1].item) + 1); |
1206 |
rootspec = getRootSpecifier(line->elements[1].item); |
rootspec = getRootSpecifier(line->elements[1].item); |
1207 |
sprintf(fullName, "%s%s", bootPrefix, |
sprintf(fullName, "%s%s", bootPrefix, |
1208 |
line->elements[1].item + ((rootspec != NULL) ? |
line->elements[1].item + (rootspec ? strlen(rootspec) : 0)); |
|
strlen(rootspec) : 0)); |
|
1209 |
if (access(fullName, R_OK)) return 0; |
if (access(fullName, R_OK)) return 0; |
1210 |
|
|
1211 |
for (i = 2; i < line->numElements; i++) |
for (i = 2; i < line->numElements; i++) |
1214 |
dev = line->elements[i].item + 5; |
dev = line->elements[i].item + 5; |
1215 |
} else { |
} else { |
1216 |
/* look for a lilo style LT_ROOT line */ |
/* look for a lilo style LT_ROOT line */ |
1217 |
line = entry->lines; |
line = getLineByType(LT_ROOT, entry->lines); |
|
while (line && line->type != LT_ROOT) line = line->next; |
|
1218 |
|
|
1219 |
if (line && line->numElements >= 2) { |
if (line && line->numElements >= 2) { |
1220 |
dev = line->elements[1].item; |
dev = line->elements[1].item; |
1221 |
} else { |
} else { |
1222 |
int type; |
/* didn't succeed in finding a LT_ROOT, let's try LT_KERNELARGS. |
1223 |
/* 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. |
1224 |
line = entry->lines; |
*/ |
1225 |
|
line = getLineByType(LT_KERNELARGS|LT_MBMODULE, entry->lines); |
|
type = ((entry->multiboot) ? LT_MBMODULE : LT_KERNELARGS); |
|
|
|
|
|
while (line && line->type != type) line = line->next; |
|
1226 |
|
|
1227 |
/* failed to find one */ |
/* failed to find one */ |
1228 |
if (!line) return 0; |
if (!line) return 0; |
1238 |
} |
} |
1239 |
} |
} |
1240 |
|
|
1241 |
if (!strncmp(dev, "LABEL=", 6)) { |
dev = getpathbyspec(dev); |
1242 |
dev += 6; |
if (!dev) |
1243 |
|
return 0; |
1244 |
/* check which device has this label */ |
|
1245 |
dev = get_spec_by_volume_label(dev, &i, &i); |
rootdev = findDiskForRoot(); |
1246 |
if (!dev) return 0; |
if (!rootdev) |
1247 |
|
return 0; |
1248 |
|
|
1249 |
|
if (!getuuidbydev(rootdev) || !getuuidbydev(dev)) { |
1250 |
|
free(rootdev); |
1251 |
|
return 0; |
1252 |
} |
} |
1253 |
|
|
1254 |
if (*dev == '/') { |
if (strcmp(getuuidbydev(rootdev), getuuidbydev(dev))) { |
1255 |
if (stat(dev, &sb)) |
free(rootdev); |
1256 |
return 0; |
return 0; |
|
} else { |
|
|
sb.st_rdev = strtol(dev, &end, 16); |
|
|
if (*end) return 0; |
|
1257 |
} |
} |
|
stat("/", &sb2); |
|
1258 |
|
|
1259 |
if (sb.st_rdev != sb2.st_dev) return 0; |
free(rootdev); |
1260 |
|
|
1261 |
return 1; |
return 1; |
1262 |
} |
} |
1300 |
entry = findEntryByIndex(config, indexVars[i]); |
entry = findEntryByIndex(config, indexVars[i]); |
1301 |
if (!entry) return NULL; |
if (!entry) return NULL; |
1302 |
|
|
1303 |
line = entry->lines; |
line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines); |
|
while (line && line->type != LT_KERNEL) |
|
|
line = line->next; |
|
|
|
|
1304 |
if (!line) return NULL; |
if (!line) return NULL; |
1305 |
|
|
1306 |
if (index) *index = indexVars[i]; |
if (index) *index = indexVars[i]; |
1342 |
kernel += 6; |
kernel += 6; |
1343 |
} |
} |
1344 |
|
|
1345 |
while ((entry = findEntryByIndex(config, i))) { |
for (entry = findEntryByIndex(config, i); entry; entry = entry->next, i++) { |
1346 |
line = entry->lines; |
if (entry->skip) continue; |
|
while (line && line->type != checkType) line=line->next; |
|
1347 |
|
|
1348 |
|
dbgPrintf("findEntryByPath looking for %d %s in %p\n", checkType, kernel, entry); |
1349 |
|
|
1350 |
if (line && line->numElements >= 2 && !entry->skip) { |
/* check all the lines matching checkType */ |
1351 |
rootspec = getRootSpecifier(line->elements[1].item); |
for (line = entry->lines; line; line = line->next) { |
1352 |
if (!strcmp(line->elements[1].item + |
line = getLineByType(entry->multiboot && checkType == LT_KERNEL ? |
1353 |
((rootspec != NULL) ? strlen(rootspec) : 0), |
LT_KERNEL|LT_MBMODULE|LT_HYPER : |
1354 |
kernel + strlen(prefix))) |
checkType, line); |
1355 |
break; |
if (!line) break; /* not found in this entry */ |
1356 |
} |
|
1357 |
|
if (line && line->numElements >= 2) { |
1358 |
/* have to check multiboot lines too */ |
rootspec = getRootSpecifier(line->elements[1].item); |
1359 |
if (entry->multiboot) { |
if (!strcmp(line->elements[1].item + |
1360 |
while (line && line->type != LT_MBMODULE) line = line->next; |
((rootspec != NULL) ? strlen(rootspec) : 0), |
1361 |
if (line && line->numElements >= 2 && !entry->skip) { |
kernel + strlen(prefix))) |
1362 |
rootspec = getRootSpecifier(line->elements[1].item); |
break; |
1363 |
if (!strcmp(line->elements[1].item + |
} |
1364 |
((rootspec != NULL) ? strlen(rootspec) : 0), |
} |
|
kernel + strlen(prefix))) |
|
|
break; |
|
|
} |
|
|
} |
|
1365 |
|
|
1366 |
i++; |
/* make sure this entry has a kernel identifier; this skips |
1367 |
|
* non-Linux boot entries (could find netbsd etc, though, which is |
1368 |
|
* unfortunate) |
1369 |
|
*/ |
1370 |
|
if (line && getLineByType(LT_KERNEL|LT_HYPER, entry->lines)) |
1371 |
|
break; /* found 'im! */ |
1372 |
} |
} |
1373 |
|
|
1374 |
if (index) *index = i; |
if (index) *index = i; |
1375 |
} |
} |
1376 |
|
|
|
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); |
|
|
} |
|
|
|
|
1377 |
return entry; |
return entry; |
1378 |
} |
} |
1379 |
|
|
1538 |
char * root = NULL; |
char * root = NULL; |
1539 |
int i; |
int i; |
1540 |
|
|
|
line = entry->lines; |
|
|
while (line && line->type != LT_KERNEL) line = line->next; |
|
|
|
|
1541 |
printf("index=%d\n", index); |
printf("index=%d\n", index); |
1542 |
|
|
1543 |
|
line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines); |
1544 |
|
if (!line) { |
1545 |
|
printf("non linux entry\n"); |
1546 |
|
return; |
1547 |
|
} |
1548 |
|
|
1549 |
printf("kernel=%s\n", line->elements[1].item); |
printf("kernel=%s\n", line->elements[1].item); |
1550 |
|
|
1551 |
if (line->numElements >= 3) { |
if (line->numElements >= 3) { |
1563 |
} |
} |
1564 |
printf("\"\n"); |
printf("\"\n"); |
1565 |
} else { |
} else { |
1566 |
line = entry->lines; |
line = getLineByType(LT_KERNELARGS, entry->lines); |
|
while (line && line->type != LT_KERNELARGS) line=line->next; |
|
|
|
|
1567 |
if (line) { |
if (line) { |
1568 |
char * s; |
char * s; |
1569 |
|
|
1587 |
} |
} |
1588 |
|
|
1589 |
if (!root) { |
if (!root) { |
1590 |
line = entry->lines; |
line = getLineByType(LT_ROOT, entry->lines); |
|
while (line && line->type != LT_ROOT) line = line->next; |
|
|
|
|
1591 |
if (line && line->numElements >= 2) |
if (line && line->numElements >= 2) |
1592 |
root=line->elements[1].item; |
root=line->elements[1].item; |
1593 |
} |
} |
1602 |
printf("root=%s\n", s); |
printf("root=%s\n", s); |
1603 |
} |
} |
1604 |
|
|
1605 |
line = entry->lines; |
line = getLineByType(LT_INITRD, entry->lines); |
|
while (line && line->type != LT_INITRD) line = line->next; |
|
1606 |
|
|
1607 |
if (line && line->numElements >= 2) { |
if (line && line->numElements >= 2) { |
1608 |
printf("initrd=%s", prefix); |
printf("initrd=%s", prefix); |
1619 |
char * start; |
char * start; |
1620 |
char * param; |
char * param; |
1621 |
|
|
1622 |
in = fopen("/etc/sysconfig/grub", "r"); |
in = fopen("/etc/conf.d/grub", "r"); |
1623 |
if (!in) return 1; |
if (!in) return 1; |
1624 |
|
|
1625 |
if (lbaPtr) *lbaPtr = 0; |
if (lbaPtr) *lbaPtr = 0; |
1681 |
return 1; |
return 1; |
1682 |
} |
} |
1683 |
|
|
1684 |
/* 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 |
1685 |
be a better way */ |
be a better way */ |
1686 |
if (config->cfi == &grubConfigType) { |
if (config->cfi == &grubConfigType) { |
1687 |
dumpSysconfigGrub(); |
dumpSysconfigGrub(); |
1688 |
} else { |
} else { |
1689 |
line = config->theLines; |
line = getLineByType(LT_BOOT, config->theLines); |
|
while (line && line->type != LT_BOOT) line = line->next; |
|
1690 |
if (line && line->numElements >= 1) { |
if (line && line->numElements >= 1) { |
1691 |
printf("boot=%s\n", line->elements[1].item); |
printf("boot=%s\n", line->elements[1].item); |
1692 |
} |
} |
1693 |
|
|
1694 |
line = config->theLines; |
line = getLineByType(LT_LBA, config->theLines); |
|
while (line && line->type != LT_LBA) line = line->next; |
|
1695 |
if (line) printf("lba\n"); |
if (line) printf("lba\n"); |
1696 |
} |
} |
1697 |
|
|
1706 |
return 0; |
return 0; |
1707 |
} |
} |
1708 |
|
|
1709 |
|
struct singleLine * addLineTmpl(struct singleEntry * entry, |
1710 |
|
struct singleLine * tmplLine, |
1711 |
|
struct singleLine * prevLine, |
1712 |
|
const char * val, |
1713 |
|
struct configFileInfo * cfi) |
1714 |
|
{ |
1715 |
|
struct singleLine * newLine = lineDup(tmplLine); |
1716 |
|
|
1717 |
|
if (val) { |
1718 |
|
/* override the inherited value with our own. |
1719 |
|
* This is a little weak because it only applies to elements[1] |
1720 |
|
*/ |
1721 |
|
if (newLine->numElements > 1) |
1722 |
|
removeElement(newLine, 1); |
1723 |
|
insertElement(newLine, val, 1, cfi); |
1724 |
|
|
1725 |
|
/* but try to keep the rootspec from the template... sigh */ |
1726 |
|
if (tmplLine->type & (LT_HYPER|LT_KERNEL|LT_MBMODULE|LT_INITRD)) { |
1727 |
|
char * rootspec = getRootSpecifier(tmplLine->elements[1].item); |
1728 |
|
if (rootspec != NULL) { |
1729 |
|
free(newLine->elements[1].item); |
1730 |
|
newLine->elements[1].item = |
1731 |
|
sdupprintf("%s%s", rootspec, val); |
1732 |
|
} |
1733 |
|
} |
1734 |
|
} |
1735 |
|
|
1736 |
|
dbgPrintf("addLineTmpl(%s)\n", newLine->numElements ? |
1737 |
|
newLine->elements[0].item : ""); |
1738 |
|
|
1739 |
|
if (!entry->lines) { |
1740 |
|
/* first one on the list */ |
1741 |
|
entry->lines = newLine; |
1742 |
|
} else if (prevLine) { |
1743 |
|
/* add after prevLine */ |
1744 |
|
newLine->next = prevLine->next; |
1745 |
|
prevLine->next = newLine; |
1746 |
|
} |
1747 |
|
|
1748 |
|
return newLine; |
1749 |
|
} |
1750 |
|
|
1751 |
/* val may be NULL */ |
/* val may be NULL */ |
1752 |
struct singleLine * addLine(struct singleEntry * entry, |
struct singleLine * addLine(struct singleEntry * entry, |
1753 |
struct configFileInfo * cfi, |
struct configFileInfo * cfi, |
1754 |
enum lineType_e type, const char * defaultIndent, |
enum lineType_e type, char * defaultIndent, |
1755 |
char * val) { |
const char * val) { |
1756 |
struct singleLine * line, * prev; |
struct singleLine * line, * prev; |
1757 |
int i; |
struct keywordTypes * kw; |
1758 |
|
struct singleLine tmpl; |
1759 |
|
|
1760 |
for (i = 0; cfi->keywords[i].key; i++) |
/* NB: This function shouldn't allocate items on the heap, rather on the |
1761 |
if (cfi->keywords[i].type == type) break; |
* stack since it calls addLineTmpl which will make copies. |
1762 |
if (type != LT_TITLE || !cfi->titleBracketed) |
*/ |
1763 |
if (!cfi->keywords[i].key) abort(); |
|
1764 |
|
if (type == LT_TITLE && cfi->titleBracketed) { |
1765 |
|
/* we're doing a bracketed title (zipl) */ |
1766 |
|
tmpl.type = type; |
1767 |
|
tmpl.numElements = 1; |
1768 |
|
tmpl.elements = alloca(sizeof(*tmpl.elements)); |
1769 |
|
tmpl.elements[0].item = alloca(strlen(val)+3); |
1770 |
|
sprintf(tmpl.elements[0].item, "[%s]", val); |
1771 |
|
tmpl.elements[0].indent = ""; |
1772 |
|
val = NULL; |
1773 |
|
} else { |
1774 |
|
kw = getKeywordByType(type, cfi); |
1775 |
|
if (!kw) abort(); |
1776 |
|
tmpl.type = type; |
1777 |
|
tmpl.numElements = val ? 2 : 1; |
1778 |
|
tmpl.elements = alloca(sizeof(*tmpl.elements) * tmpl.numElements); |
1779 |
|
tmpl.elements[0].item = kw->key; |
1780 |
|
tmpl.elements[0].indent = alloca(2); |
1781 |
|
sprintf(tmpl.elements[0].indent, "%c", kw->nextChar); |
1782 |
|
if (val) { |
1783 |
|
tmpl.elements[1].item = (char *)val; |
1784 |
|
tmpl.elements[1].indent = ""; |
1785 |
|
} |
1786 |
|
} |
1787 |
|
|
1788 |
/* 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 |
1789 |
to insert after. Note that comments are considered empty lines, which |
to insert after. Note that comments are considered empty lines, which |
1790 |
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 |
1791 |
first line, we use defaultIndent (the first line is normally indented |
first line, we use defaultIndent (the first line is normally indented |
1792 |
differently from the rest) */ |
differently from the rest) */ |
1793 |
if (entry->lines) { |
for (line = entry->lines, prev = NULL; line; line = line->next) { |
1794 |
line = entry->lines; |
if (line->numElements) prev = line; |
1795 |
prev = NULL; |
/* fall back on the last line if prev isn't otherwise set */ |
1796 |
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; |
|
1797 |
} |
} |
1798 |
|
|
1799 |
if (type != LT_TITLE || !cfi->titleBracketed) { |
if (prev == entry->lines) |
1800 |
line->type = type; |
tmpl.indent = defaultIndent ?: ""; |
1801 |
line->numElements = val ? 2 : 1; |
else |
1802 |
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(""); |
|
|
} |
|
1803 |
|
|
1804 |
return line; |
return addLineTmpl(entry, &tmpl, prev, val, cfi); |
1805 |
} |
} |
1806 |
|
|
1807 |
void removeLine(struct singleEntry * entry, struct singleLine * line) { |
void removeLine(struct singleEntry * entry, struct singleLine * line) { |
1826 |
free(line); |
free(line); |
1827 |
} |
} |
1828 |
|
|
1829 |
|
static void insertElement(struct singleLine * line, |
1830 |
|
const char * item, int insertHere, |
1831 |
|
struct configFileInfo * cfi) |
1832 |
|
{ |
1833 |
|
struct keywordTypes * kw; |
1834 |
|
char indent[2] = ""; |
1835 |
|
|
1836 |
|
/* sanity check */ |
1837 |
|
if (insertHere > line->numElements) { |
1838 |
|
dbgPrintf("insertElement() adjusting insertHere from %d to %d\n", |
1839 |
|
insertHere, line->numElements); |
1840 |
|
insertHere = line->numElements; |
1841 |
|
} |
1842 |
|
|
1843 |
|
line->elements = realloc(line->elements, (line->numElements + 1) * |
1844 |
|
sizeof(*line->elements)); |
1845 |
|
memmove(&line->elements[insertHere+1], |
1846 |
|
&line->elements[insertHere], |
1847 |
|
(line->numElements - insertHere) * |
1848 |
|
sizeof(*line->elements)); |
1849 |
|
line->elements[insertHere].item = strdup(item); |
1850 |
|
|
1851 |
|
kw = getKeywordByType(line->type, cfi); |
1852 |
|
|
1853 |
|
if (line->numElements == 0) { |
1854 |
|
indent[0] = '\0'; |
1855 |
|
} else if (insertHere == 0) { |
1856 |
|
indent[0] = kw->nextChar; |
1857 |
|
} else if (kw->separatorChar != '\0') { |
1858 |
|
indent[0] = kw->separatorChar; |
1859 |
|
} else { |
1860 |
|
indent[0] = ' '; |
1861 |
|
} |
1862 |
|
|
1863 |
|
if (insertHere > 0 && line->elements[insertHere-1].indent[0] == '\0') { |
1864 |
|
/* move the end-of-line forward */ |
1865 |
|
line->elements[insertHere].indent = |
1866 |
|
line->elements[insertHere-1].indent; |
1867 |
|
line->elements[insertHere-1].indent = strdup(indent); |
1868 |
|
} else { |
1869 |
|
line->elements[insertHere].indent = strdup(indent); |
1870 |
|
} |
1871 |
|
|
1872 |
|
line->numElements++; |
1873 |
|
|
1874 |
|
dbgPrintf("insertElement(%s, '%s%s', %d)\n", |
1875 |
|
line->elements[0].item, |
1876 |
|
line->elements[insertHere].item, |
1877 |
|
line->elements[insertHere].indent, |
1878 |
|
insertHere); |
1879 |
|
} |
1880 |
|
|
1881 |
|
static void removeElement(struct singleLine * line, int removeHere) { |
1882 |
|
int i; |
1883 |
|
|
1884 |
|
/* sanity check */ |
1885 |
|
if (removeHere >= line->numElements) return; |
1886 |
|
|
1887 |
|
dbgPrintf("removeElement(%s, %d:%s)\n", line->elements[0].item, |
1888 |
|
removeHere, line->elements[removeHere].item); |
1889 |
|
|
1890 |
|
free(line->elements[removeHere].item); |
1891 |
|
|
1892 |
|
if (removeHere > 1) { |
1893 |
|
/* previous argument gets this argument's post-indentation */ |
1894 |
|
free(line->elements[removeHere-1].indent); |
1895 |
|
line->elements[removeHere-1].indent = |
1896 |
|
line->elements[removeHere].indent; |
1897 |
|
} else { |
1898 |
|
free(line->elements[removeHere].indent); |
1899 |
|
} |
1900 |
|
|
1901 |
|
/* now collapse the array, but don't bother to realloc smaller */ |
1902 |
|
for (i = removeHere; i < line->numElements - 1; i++) |
1903 |
|
line->elements[i] = line->elements[i + 1]; |
1904 |
|
|
1905 |
|
line->numElements--; |
1906 |
|
} |
1907 |
|
|
1908 |
int argMatch(const char * one, const char * two) { |
int argMatch(const char * one, const char * two) { |
1909 |
char * first, * second; |
char * first, * second; |
1910 |
char * chptr; |
char * chptr; |
1927 |
struct singleEntry * entry; |
struct singleEntry * entry; |
1928 |
struct singleLine * line, * rootLine; |
struct singleLine * line, * rootLine; |
1929 |
int index = 0; |
int index = 0; |
1930 |
int i, j, k; |
int i, k; |
1931 |
const char ** newArgs, ** oldArgs; |
const char ** newArgs, ** oldArgs; |
1932 |
const char ** arg; |
const char ** arg; |
1933 |
const char * chptr; |
int useKernelArgs, useRoot; |
|
int useKernelArgs = 0; |
|
|
int useRoot = 0; |
|
1934 |
int firstElement; |
int firstElement; |
1935 |
int *usedElements, *usedArgs; |
int *usedElements; |
1936 |
|
int doreplace; |
1937 |
|
|
1938 |
if (!image) return 0; |
if (!image) return 0; |
1939 |
|
|
1960 |
} |
} |
1961 |
} |
} |
1962 |
|
|
|
for (i = 0; cfg->cfi->keywords[i].key; i++) |
|
|
if (cfg->cfi->keywords[i].type == LT_KERNELARGS) break; |
|
1963 |
|
|
1964 |
if (cfg->cfi->keywords[i].key) |
useKernelArgs = (getKeywordByType(LT_KERNELARGS, cfg->cfi) |
1965 |
useKernelArgs = 1; |
&& (!multibootArgs || cfg->cfi->mbConcatArgs)); |
1966 |
|
|
1967 |
for (i = 0; cfg->cfi->keywords[i].key; i++) |
useRoot = (getKeywordByType(LT_ROOT, cfg->cfi) |
1968 |
if (cfg->cfi->keywords[i].type == LT_ROOT) break; |
&& !multibootArgs); |
1969 |
|
|
1970 |
if (cfg->cfi->keywords[i].key) |
for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
|
useRoot = 1; |
|
1971 |
|
|
1972 |
k = 0; |
if (multibootArgs && !entry->multiboot) |
1973 |
for (arg = newArgs; *arg; arg++) |
continue; |
1974 |
k++; |
|
1975 |
usedArgs = calloc(k, sizeof(int)); |
/* Determine where to put the args. If this config supports |
1976 |
|
* LT_KERNELARGS, use that. Otherwise use |
1977 |
|
* LT_HYPER/LT_KERNEL/LT_MBMODULE lines. |
1978 |
|
*/ |
1979 |
|
if (useKernelArgs) { |
1980 |
|
line = getLineByType(LT_KERNELARGS, entry->lines); |
1981 |
|
if (!line) { |
1982 |
|
/* no LT_KERNELARGS, need to add it */ |
1983 |
|
line = addLine(entry, cfg->cfi, LT_KERNELARGS, |
1984 |
|
cfg->secondaryIndent, NULL); |
1985 |
|
} |
1986 |
|
firstElement = 1; |
1987 |
|
|
1988 |
while ((entry = findEntryByPath(cfg, image, prefix, &index))) { |
} else if (multibootArgs) { |
1989 |
index++; |
line = getLineByType(LT_HYPER, entry->lines); |
1990 |
|
if (!line) { |
1991 |
|
/* a multiboot entry without LT_HYPER? */ |
1992 |
|
continue; |
1993 |
|
} |
1994 |
|
firstElement = 2; |
1995 |
|
|
1996 |
line = entry->lines; |
} else { |
1997 |
while (line && line->type != LT_KERNEL) line = line->next; |
line = getLineByType(LT_KERNEL|LT_MBMODULE, entry->lines); |
1998 |
if (!line) continue; |
if (!line) { |
1999 |
firstElement = 2; |
/* no LT_KERNEL or LT_MBMODULE in this entry? */ |
2000 |
|
continue; |
2001 |
if (entry->multiboot && !multibootArgs) { |
} |
2002 |
/* 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; |
|
2003 |
} |
} |
2004 |
|
|
2005 |
if (!line && useKernelArgs) { |
/* handle the elilo case which does: |
2006 |
/* no append in there, need to add it */ |
* append="hypervisor args -- kernel args" |
2007 |
line = addLine(entry, cfg->cfi, LT_KERNELARGS, NULL, NULL); |
*/ |
2008 |
|
if (entry->multiboot && cfg->cfi->mbConcatArgs) { |
2009 |
|
/* this is a multiboot entry, make sure there's |
2010 |
|
* -- on the args line |
2011 |
|
*/ |
2012 |
|
for (i = firstElement; i < line->numElements; i++) { |
2013 |
|
if (!strcmp(line->elements[i].item, "--")) |
2014 |
|
break; |
2015 |
|
} |
2016 |
|
if (i == line->numElements) { |
2017 |
|
/* assume all existing args are kernel args, |
2018 |
|
* prepend -- to make it official |
2019 |
|
*/ |
2020 |
|
insertElement(line, "--", firstElement, cfg->cfi); |
2021 |
|
i = firstElement; |
2022 |
|
} |
2023 |
|
if (!multibootArgs) { |
2024 |
|
/* kernel args start after the -- */ |
2025 |
|
firstElement = i + 1; |
2026 |
|
} |
2027 |
|
} else if (cfg->cfi->mbConcatArgs) { |
2028 |
|
/* this is a non-multiboot entry, remove hyper args */ |
2029 |
|
for (i = firstElement; i < line->numElements; i++) { |
2030 |
|
if (!strcmp(line->elements[i].item, "--")) |
2031 |
|
break; |
2032 |
|
} |
2033 |
|
if (i < line->numElements) { |
2034 |
|
/* remove args up to -- */ |
2035 |
|
while (strcmp(line->elements[firstElement].item, "--")) |
2036 |
|
removeElement(line, firstElement); |
2037 |
|
/* remove -- */ |
2038 |
|
removeElement(line, firstElement); |
2039 |
|
} |
2040 |
} |
} |
2041 |
|
|
2042 |
usedElements = calloc(line->numElements, sizeof(int)); |
usedElements = calloc(line->numElements, sizeof(*usedElements)); |
2043 |
|
|
2044 |
k = 0; |
for (k = 0, arg = newArgs; *arg; arg++, k++) { |
2045 |
for (arg = newArgs; *arg; arg++) { |
|
2046 |
if (usedArgs[k]) { |
doreplace = 1; |
|
k++; |
|
|
continue; |
|
|
} |
|
2047 |
for (i = firstElement; i < line->numElements; i++) { |
for (i = firstElement; i < line->numElements; i++) { |
2048 |
|
if (multibootArgs && cfg->cfi->mbConcatArgs && |
2049 |
|
!strcmp(line->elements[i].item, "--")) |
2050 |
|
{ |
2051 |
|
/* reached the end of hyper args, insert here */ |
2052 |
|
doreplace = 0; |
2053 |
|
break; |
2054 |
|
} |
2055 |
if (usedElements[i]) |
if (usedElements[i]) |
2056 |
continue; |
continue; |
2057 |
if (!argMatch(line->elements[i].item, *arg)) { |
if (!argMatch(line->elements[i].item, *arg)) { |
2058 |
usedElements[i]=1; |
usedElements[i]=1; |
|
usedArgs[k]=1; |
|
2059 |
break; |
break; |
2060 |
} |
} |
2061 |
} |
} |
|
chptr = strchr(*arg, '='); |
|
2062 |
|
|
2063 |
if (i < line->numElements) { |
if (i < line->numElements && doreplace) { |
2064 |
/* replace */ |
/* direct replacement */ |
2065 |
free(line->elements[i].item); |
free(line->elements[i].item); |
2066 |
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(""); |
|
|
} |
|
2067 |
|
|
2068 |
free(rootLine->elements[1].item); |
} else if (useRoot && !strncmp(*arg, "root=/dev/", 10)) { |
2069 |
rootLine->elements[1].item = strdup(chptr + 1); |
/* root= replacement */ |
2070 |
} else { |
rootLine = getLineByType(LT_ROOT, entry->lines); |
2071 |
/* append */ |
if (rootLine) { |
2072 |
line->elements = realloc(line->elements, |
free(rootLine->elements[1].item); |
2073 |
(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(" "); |
|
2074 |
} else { |
} else { |
2075 |
/* First thing on this line; treat a bit differently. Note |
rootLine = addLine(entry, cfg->cfi, LT_ROOT, |
2076 |
this is only possible if we've added a LT_KERNELARGS |
cfg->secondaryIndent, *arg + 5); |
|
entry */ |
|
|
line->elements[line->numElements].indent = strdup(""); |
|
2077 |
} |
} |
2078 |
|
} |
2079 |
|
|
2080 |
line->numElements++; |
else { |
2081 |
|
/* insert/append */ |
2082 |
|
insertElement(line, *arg, i, cfg->cfi); |
2083 |
|
usedElements = realloc(usedElements, line->numElements * |
2084 |
|
sizeof(*usedElements)); |
2085 |
|
memmove(&usedElements[i + 1], &usedElements[i], |
2086 |
|
line->numElements - i - 1); |
2087 |
|
usedElements[i] = 1; |
2088 |
|
|
2089 |
/* if we updated a root= here even though there is a |
/* if we updated a root= here even though there is a |
2090 |
LT_ROOT available we need to remove the LT_ROOT entry |
LT_ROOT available we need to remove the LT_ROOT entry |
2091 |
(this will happen if we switch from a device to a label) */ |
(this will happen if we switch from a device to a label) */ |
2092 |
if (useRoot && !strncmp(*arg, "root=", 5)) { |
if (useRoot && !strncmp(*arg, "root=", 5)) { |
2093 |
rootLine = entry->lines; |
rootLine = getLineByType(LT_ROOT, entry->lines); |
2094 |
while (rootLine && rootLine->type != LT_ROOT) |
if (rootLine) |
|
rootLine = rootLine->next; |
|
|
if (rootLine) { |
|
2095 |
removeLine(entry, rootLine); |
removeLine(entry, rootLine); |
|
} |
|
2096 |
} |
} |
2097 |
} |
} |
|
k++; |
|
2098 |
} |
} |
2099 |
|
|
2100 |
free(usedElements); |
free(usedElements); |
2101 |
|
|
|
/* 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? */ |
|
2102 |
for (arg = oldArgs; *arg; arg++) { |
for (arg = oldArgs; *arg; arg++) { |
2103 |
for (i = firstElement; i < line->numElements; i++) |
for (i = firstElement; i < line->numElements; i++) { |
2104 |
if (!argMatch(line->elements[i].item, *arg)) |
if (multibootArgs && cfg->cfi->mbConcatArgs && |
2105 |
|
!strcmp(line->elements[i].item, "--")) |
2106 |
|
/* reached the end of hyper args, stop here */ |
2107 |
|
break; |
2108 |
|
if (!argMatch(line->elements[i].item, *arg)) { |
2109 |
|
removeElement(line, i); |
2110 |
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; |
|
2111 |
} |
} |
2112 |
|
} |
2113 |
free(line->elements[i].item); |
/* handle removing LT_ROOT line too */ |
2114 |
|
if (useRoot && !strncmp(*arg, "root=", 5)) { |
2115 |
for (j = i + 1; j < line->numElements; j++) |
rootLine = getLineByType(LT_ROOT, entry->lines); |
2116 |
line->elements[j - 1] = line->elements[j]; |
if (rootLine) |
2117 |
|
removeLine(entry, rootLine); |
|
line->numElements--; |
|
2118 |
} |
} |
2119 |
} |
} |
2120 |
|
|
2125 |
} |
} |
2126 |
} |
} |
2127 |
|
|
|
free(usedArgs); |
|
2128 |
free(newArgs); |
free(newArgs); |
2129 |
free(oldArgs); |
free(oldArgs); |
2130 |
|
|
2150 |
return rc; |
return rc; |
2151 |
} |
} |
2152 |
|
|
2153 |
|
int updateInitrd(struct grubConfig * cfg, const char * image, |
2154 |
|
const char * prefix, const char * initrd) { |
2155 |
|
struct singleEntry * entry; |
2156 |
|
struct singleLine * line, * kernelLine; |
2157 |
|
int index = 0; |
2158 |
|
|
2159 |
|
if (!image) return 0; |
2160 |
|
|
2161 |
|
for (; (entry = findEntryByPath(cfg, image, prefix, &index)); index++) { |
2162 |
|
kernelLine = getLineByType(LT_KERNEL, entry->lines); |
2163 |
|
if (!kernelLine) continue; |
2164 |
|
|
2165 |
|
line = getLineByType(LT_INITRD, entry->lines); |
2166 |
|
if (line) |
2167 |
|
removeLine(entry, line); |
2168 |
|
if (prefix) { |
2169 |
|
int prefixLen = strlen(prefix); |
2170 |
|
if (!strncmp(initrd, prefix, prefixLen)) |
2171 |
|
initrd += prefixLen; |
2172 |
|
} |
2173 |
|
line = addLine(entry, cfg->cfi, LT_INITRD, kernelLine->indent, initrd); |
2174 |
|
if (!line) return 1; |
2175 |
|
break; |
2176 |
|
} |
2177 |
|
|
2178 |
|
return 0; |
2179 |
|
} |
2180 |
|
|
2181 |
int checkDeviceBootloader(const char * device, const unsigned char * boot) { |
int checkDeviceBootloader(const char * device, const unsigned char * boot) { |
2182 |
int fd; |
int fd; |
2183 |
unsigned char bootSect[512]; |
unsigned char bootSect[512]; |
2368 |
if (read(fd, bootSect, 512) != 512) { |
if (read(fd, bootSect, 512) != 512) { |
2369 |
fprintf(stderr, _("grubby: unable to read %s: %s\n"), |
fprintf(stderr, _("grubby: unable to read %s: %s\n"), |
2370 |
"/boot/grub/stage1", strerror(errno)); |
"/boot/grub/stage1", strerror(errno)); |
2371 |
|
close(fd); |
2372 |
|
return 1; |
2373 |
|
} |
2374 |
|
close(fd); |
2375 |
|
|
2376 |
|
return checkDeviceBootloader(boot, bootSect); |
2377 |
|
} |
2378 |
|
|
2379 |
|
int checkForExtLinux(struct grubConfig * config) { |
2380 |
|
int fd; |
2381 |
|
unsigned char bootSect[512]; |
2382 |
|
char * boot; |
2383 |
|
char executable[] = "/boot/extlinux/extlinux"; |
2384 |
|
|
2385 |
|
printf("entered: checkForExtLinux()\n"); |
2386 |
|
|
2387 |
|
if (parseSysconfigGrub(NULL, &boot)) |
2388 |
|
return 0; |
2389 |
|
|
2390 |
|
/* assume grub is not installed -- not an error condition */ |
2391 |
|
if (!boot) |
2392 |
|
return 0; |
2393 |
|
|
2394 |
|
fd = open(executable, O_RDONLY); |
2395 |
|
if (fd < 0) |
2396 |
|
/* this doesn't exist if grub hasn't been installed */ |
2397 |
|
return 0; |
2398 |
|
|
2399 |
|
if (read(fd, bootSect, 512) != 512) { |
2400 |
|
fprintf(stderr, _("grubby: unable to read %s: %s\n"), |
2401 |
|
executable, strerror(errno)); |
2402 |
return 1; |
return 1; |
2403 |
} |
} |
2404 |
close(fd); |
close(fd); |
2417 |
return rootspec; |
return rootspec; |
2418 |
} |
} |
2419 |
|
|
2420 |
|
static char * getInitrdVal(struct grubConfig * config, |
2421 |
|
const char * prefix, struct singleLine *tmplLine, |
2422 |
|
const char * newKernelInitrd, |
2423 |
|
char ** extraInitrds, int extraInitrdCount) |
2424 |
|
{ |
2425 |
|
char *initrdVal, *end; |
2426 |
|
int i; |
2427 |
|
size_t totalSize; |
2428 |
|
size_t prefixLen; |
2429 |
|
char separatorChar; |
2430 |
|
|
2431 |
|
prefixLen = strlen(prefix); |
2432 |
|
totalSize = strlen(newKernelInitrd) - prefixLen + 1 /* \0 */; |
2433 |
|
|
2434 |
|
for (i = 0; i < extraInitrdCount; i++) { |
2435 |
|
totalSize += sizeof(separatorChar); |
2436 |
|
totalSize += strlen(extraInitrds[i]) - prefixLen; |
2437 |
|
} |
2438 |
|
|
2439 |
|
initrdVal = end = malloc(totalSize); |
2440 |
|
|
2441 |
|
end = stpcpy (end, newKernelInitrd + prefixLen); |
2442 |
|
|
2443 |
|
separatorChar = getKeywordByType(LT_INITRD, config->cfi)->separatorChar; |
2444 |
|
for (i = 0; i < extraInitrdCount; i++) { |
2445 |
|
const char *extraInitrd; |
2446 |
|
int j; |
2447 |
|
|
2448 |
|
extraInitrd = extraInitrds[i] + prefixLen; |
2449 |
|
/* Don't add entries that are already there */ |
2450 |
|
if (tmplLine != NULL) { |
2451 |
|
for (j = 2; j < tmplLine->numElements; j++) |
2452 |
|
if (strcmp(extraInitrd, tmplLine->elements[j].item) == 0) |
2453 |
|
break; |
2454 |
|
|
2455 |
|
if (j != tmplLine->numElements) |
2456 |
|
continue; |
2457 |
|
} |
2458 |
|
|
2459 |
|
*end++ = separatorChar; |
2460 |
|
end = stpcpy(end, extraInitrd); |
2461 |
|
} |
2462 |
|
|
2463 |
|
return initrdVal; |
2464 |
|
} |
2465 |
|
|
2466 |
int addNewKernel(struct grubConfig * config, struct singleEntry * template, |
int addNewKernel(struct grubConfig * config, struct singleEntry * template, |
2467 |
const char * prefix, |
const char * prefix, |
2468 |
char * newKernelPath, char * newKernelTitle, |
char * newKernelPath, char * newKernelTitle, |
2469 |
char * newKernelArgs, char * newKernelInitrd, |
char * newKernelArgs, char * newKernelInitrd, |
2470 |
|
char ** extraInitrds, int extraInitrdCount, |
2471 |
char * newMBKernel, char * newMBKernelArgs) { |
char * newMBKernel, char * newMBKernelArgs) { |
2472 |
struct singleEntry * new; |
struct singleEntry * new; |
2473 |
struct singleLine * newLine = NULL, * tmplLine = NULL, * lastLine = NULL; |
struct singleLine * newLine = NULL, * tmplLine = NULL, * masterLine = NULL; |
2474 |
int needs; |
int needs; |
|
char * indent = NULL; |
|
|
char * rootspec = NULL; |
|
2475 |
char * chptr; |
char * chptr; |
|
int i; |
|
|
enum lineType_e type; |
|
2476 |
|
|
2477 |
if (!newKernelPath) return 0; |
if (!newKernelPath) return 0; |
2478 |
|
|
2502 |
config->entries = new; |
config->entries = new; |
2503 |
|
|
2504 |
/* copy/update from the template */ |
/* copy/update from the template */ |
2505 |
needs = KERNEL_KERNEL | KERNEL_INITRD | KERNEL_TITLE; |
needs = NEED_KERNEL | NEED_TITLE; |
2506 |
|
if (newKernelInitrd) |
2507 |
|
needs |= NEED_INITRD; |
2508 |
if (newMBKernel) { |
if (newMBKernel) { |
2509 |
needs |= KERNEL_MB; |
needs |= NEED_MB; |
2510 |
new->multiboot = 1; |
new->multiboot = 1; |
2511 |
} |
} |
2512 |
|
|
2513 |
if (template) { |
if (template) { |
2514 |
for (tmplLine = template->lines; tmplLine; tmplLine = tmplLine->next) { |
for (masterLine = template->lines; |
2515 |
/* remember the indention level; we may need it for new lines */ |
masterLine && (tmplLine = lineDup(masterLine)); |
2516 |
if (tmplLine->numElements) |
lineFree(tmplLine), masterLine = masterLine->next) |
2517 |
indent = tmplLine->indent; |
{ |
2518 |
|
dbgPrintf("addNewKernel processing %d\n", tmplLine->type); |
2519 |
|
|
2520 |
/* skip comments */ |
/* skip comments */ |
2521 |
chptr = tmplLine->indent; |
chptr = tmplLine->indent; |
2522 |
while (*chptr && isspace(*chptr)) chptr++; |
while (*chptr && isspace(*chptr)) chptr++; |
2523 |
if (*chptr == '#') continue; |
if (*chptr == '#') continue; |
2524 |
|
|
2525 |
/* we don't need an initrd here */ |
if (tmplLine->type == LT_KERNEL && |
2526 |
if (tmplLine->type == LT_INITRD && !newKernelInitrd) continue; |
tmplLine->numElements >= 2) { |
2527 |
|
if (!template->multiboot && (needs & NEED_MB)) { |
2528 |
if (tmplLine->type == LT_KERNEL && |
/* it's not a multiboot template and this is the kernel |
2529 |
!template->multiboot && (needs & KERNEL_MB)) { |
* line. Try to be intelligent about inserting the |
2530 |
struct singleLine *l; |
* hypervisor at the same time. |
2531 |
needs &= ~ KERNEL_MB; |
*/ |
2532 |
|
if (config->cfi->mbHyperFirst) { |
2533 |
l = addLine(new, config->cfi, LT_KERNEL, |
/* insert the hypervisor first */ |
2534 |
config->secondaryIndent, |
newLine = addLine(new, config->cfi, LT_HYPER, |
2535 |
newMBKernel + strlen(prefix)); |
tmplLine->indent, |
2536 |
|
newMBKernel + strlen(prefix)); |
2537 |
tmplLine = lastLine; |
/* set up for adding the kernel line */ |
2538 |
if (!new->lines) { |
free(tmplLine->indent); |
2539 |
new->lines = l; |
tmplLine->indent = strdup(config->secondaryIndent); |
2540 |
} else { |
needs &= ~NEED_MB; |
2541 |
newLine->next = l; |
} |
2542 |
newLine = l; |
if (needs & NEED_KERNEL) { |
2543 |
} |
/* use addLineTmpl to preserve line elements, |
2544 |
continue; |
* otherwise we could just call addLine. Unfortunately |
2545 |
} else if (tmplLine->type == LT_KERNEL && |
* this means making some changes to the template |
2546 |
template->multiboot && !new->multiboot) { |
* such as the indent change above and the type |
2547 |
continue; /* don't need multiboot kernel here */ |
* change below. |
2548 |
} |
*/ |
2549 |
|
struct keywordTypes * mbm_kw = |
2550 |
|
getKeywordByType(LT_MBMODULE, config->cfi); |
2551 |
|
if (mbm_kw) { |
2552 |
|
tmplLine->type = LT_MBMODULE; |
2553 |
|
free(tmplLine->elements[0].item); |
2554 |
|
tmplLine->elements[0].item = strdup(mbm_kw->key); |
2555 |
|
} |
2556 |
|
newLine = addLineTmpl(new, tmplLine, newLine, |
2557 |
|
newKernelPath + strlen(prefix), config->cfi); |
2558 |
|
needs &= ~NEED_KERNEL; |
2559 |
|
} |
2560 |
|
if (needs & NEED_MB) { /* !mbHyperFirst */ |
2561 |
|
newLine = addLine(new, config->cfi, LT_HYPER, |
2562 |
|
config->secondaryIndent, |
2563 |
|
newMBKernel + strlen(prefix)); |
2564 |
|
needs &= ~NEED_MB; |
2565 |
|
} |
2566 |
|
} else if (needs & NEED_KERNEL) { |
2567 |
|
newLine = addLineTmpl(new, tmplLine, newLine, |
2568 |
|
newKernelPath + strlen(prefix), config->cfi); |
2569 |
|
needs &= ~NEED_KERNEL; |
2570 |
|
} |
2571 |
|
|
2572 |
if (!new->lines) { |
} else if (tmplLine->type == LT_HYPER && |
2573 |
newLine = malloc(sizeof(*newLine)); |
tmplLine->numElements >= 2) { |
2574 |
new->lines = newLine; |
if (needs & NEED_MB) { |
2575 |
} else { |
newLine = addLineTmpl(new, tmplLine, newLine, |
2576 |
newLine->next = malloc(sizeof(*newLine)); |
newMBKernel + strlen(prefix), config->cfi); |
2577 |
newLine = newLine->next; |
needs &= ~NEED_MB; |
2578 |
} |
} |
2579 |
|
|
2580 |
|
} else if (tmplLine->type == LT_MBMODULE && |
2581 |
|
tmplLine->numElements >= 2) { |
2582 |
|
if (new->multiboot) { |
2583 |
|
if (needs & NEED_KERNEL) { |
2584 |
|
newLine = addLineTmpl(new, tmplLine, newLine, |
2585 |
|
newKernelPath + |
2586 |
|
strlen(prefix), config->cfi); |
2587 |
|
needs &= ~NEED_KERNEL; |
2588 |
|
} else if (config->cfi->mbInitRdIsModule && |
2589 |
|
(needs & NEED_INITRD)) { |
2590 |
|
char *initrdVal; |
2591 |
|
initrdVal = getInitrdVal(config, prefix, tmplLine, |
2592 |
|
newKernelInitrd, extraInitrds, |
2593 |
|
extraInitrdCount); |
2594 |
|
newLine = addLineTmpl(new, tmplLine, newLine, |
2595 |
|
initrdVal, config->cfi); |
2596 |
|
free(initrdVal); |
2597 |
|
needs &= ~NEED_INITRD; |
2598 |
|
} |
2599 |
|
} else if (needs & NEED_KERNEL) { |
2600 |
|
/* template is multi but new is not, |
2601 |
|
* insert the kernel in the first module slot |
2602 |
|
*/ |
2603 |
|
tmplLine->type = LT_KERNEL; |
2604 |
|
free(tmplLine->elements[0].item); |
2605 |
|
tmplLine->elements[0].item = |
2606 |
|
strdup(getKeywordByType(LT_KERNEL, config->cfi)->key); |
2607 |
|
newLine = addLineTmpl(new, tmplLine, newLine, |
2608 |
|
newKernelPath + strlen(prefix), config->cfi); |
2609 |
|
needs &= ~NEED_KERNEL; |
2610 |
|
} else if (needs & NEED_INITRD) { |
2611 |
|
char *initrdVal; |
2612 |
|
/* template is multi but new is not, |
2613 |
|
* insert the initrd in the second module slot |
2614 |
|
*/ |
2615 |
|
tmplLine->type = LT_INITRD; |
2616 |
|
free(tmplLine->elements[0].item); |
2617 |
|
tmplLine->elements[0].item = |
2618 |
|
strdup(getKeywordByType(LT_INITRD, config->cfi)->key); |
2619 |
|
initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount); |
2620 |
|
newLine = addLineTmpl(new, tmplLine, newLine, initrdVal, config->cfi); |
2621 |
|
free(initrdVal); |
2622 |
|
needs &= ~NEED_INITRD; |
2623 |
|
} |
2624 |
|
|
|
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)); |
|
|
} |
|
2625 |
} else if (tmplLine->type == LT_INITRD && |
} else if (tmplLine->type == LT_INITRD && |
2626 |
tmplLine->numElements >= 2) { |
tmplLine->numElements >= 2) { |
2627 |
needs &= ~KERNEL_INITRD; |
if (needs & NEED_INITRD && |
2628 |
free(newLine->elements[1].item); |
new->multiboot && !template->multiboot && |
2629 |
if (new->multiboot && !template->multiboot) { |
config->cfi->mbInitRdIsModule) { |
2630 |
free(newLine->elements[0].item); |
/* make sure we don't insert the module initrd |
2631 |
newLine->elements[0].item = strdup("module"); |
* before the module kernel... if we don't do it here, |
2632 |
newLine->type = LT_MBMODULE; |
* it will be inserted following the template. |
2633 |
} |
*/ |
2634 |
rootspec = getRootSpecifier(tmplLine->elements[1].item); |
if (!needs & NEED_KERNEL) { |
2635 |
if (rootspec != NULL) { |
char *initrdVal; |
2636 |
newLine->elements[1].item = sdupprintf("%s%s", |
|
2637 |
rootspec, |
initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount); |
2638 |
newKernelInitrd + |
newLine = addLine(new, config->cfi, LT_MBMODULE, |
2639 |
strlen(prefix)); |
config->secondaryIndent, |
2640 |
} else { |
initrdVal); |
2641 |
newLine->elements[1].item = strdup(newKernelInitrd + |
free(initrdVal); |
2642 |
strlen(prefix)); |
needs &= ~NEED_INITRD; |
2643 |
} |
} |
2644 |
} else if (tmplLine->type == LT_MBMODULE && |
} else if (needs & NEED_INITRD) { |
2645 |
tmplLine->numElements >= 2 && (needs & KERNEL_INITRD)) { |
char *initrdVal; |
2646 |
needs &= ~KERNEL_INITRD; |
initrdVal = getInitrdVal(config, prefix, tmplLine, newKernelInitrd, extraInitrds, extraInitrdCount); |
2647 |
if (!new->multiboot && template->multiboot) { |
newLine = addLineTmpl(new, tmplLine, newLine, initrdVal, config->cfi); |
2648 |
free(newLine->elements[0].item); |
free(initrdVal); |
2649 |
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); |
|
2650 |
} |
} |
2651 |
|
|
|
newLine->elements[1].item = strdup(newKernelTitle); |
|
|
newLine->elements[1].indent = strdup(""); |
|
|
newLine->numElements = 2; |
|
2652 |
} else if (tmplLine->type == LT_TITLE && |
} else if (tmplLine->type == LT_TITLE && |
2653 |
config->cfi->titleBracketed && |
(needs & NEED_TITLE)) { |
2654 |
tmplLine->numElements == 1) { |
if (tmplLine->numElements >= 2) { |
2655 |
needs &= ~KERNEL_TITLE; |
newLine = addLineTmpl(new, tmplLine, newLine, |
2656 |
free(newLine->elements[0].item); |
newKernelTitle, config->cfi); |
2657 |
free(newLine->elements[0].indent); |
needs &= ~NEED_TITLE; |
2658 |
newLine->elements = malloc(sizeof(*newLine->elements) * |
} else if (tmplLine->numElements == 1 && |
2659 |
newLine->numElements); |
config->cfi->titleBracketed) { |
2660 |
|
/* addLineTmpl doesn't handle titleBracketed */ |
2661 |
newLine->elements[0].item = malloc(strlen(newKernelTitle) + 3); |
newLine = addLine(new, config->cfi, LT_TITLE, |
2662 |
sprintf(newLine->elements[0].item, "[%s]", newKernelTitle); |
tmplLine->indent, newKernelTitle); |
2663 |
newLine->elements[0].indent = strdup(""); |
needs &= ~NEED_TITLE; |
2664 |
newLine->numElements = 1; |
} |
2665 |
} |
|
2666 |
|
} else { |
2667 |
|
/* pass through other lines from the template */ |
2668 |
|
newLine = addLineTmpl(new, tmplLine, newLine, NULL, config->cfi); |
2669 |
|
} |
2670 |
} |
} |
2671 |
|
|
2672 |
} else { |
} else { |
2673 |
for (i = 0; config->cfi->keywords[i].key; i++) { |
/* don't have a template, so start the entry with the |
2674 |
if ((config->cfi->keywords[i].type == config->cfi->entrySeparator) || (config->cfi->keywords[i].type == LT_OTHER)) |
* appropriate starting line |
2675 |
|
*/ |
2676 |
|
switch (config->cfi->entrySeparator) { |
2677 |
|
case LT_KERNEL: |
2678 |
|
if (new->multiboot && config->cfi->mbHyperFirst) { |
2679 |
|
/* fall through to LT_HYPER */ |
2680 |
|
} else { |
2681 |
|
newLine = addLine(new, config->cfi, LT_KERNEL, |
2682 |
|
config->primaryIndent, |
2683 |
|
newKernelPath + strlen(prefix)); |
2684 |
|
needs &= ~NEED_KERNEL; |
2685 |
|
break; |
2686 |
|
} |
2687 |
|
|
2688 |
|
case LT_HYPER: |
2689 |
|
newLine = addLine(new, config->cfi, LT_HYPER, |
2690 |
|
config->primaryIndent, |
2691 |
|
newMBKernel + strlen(prefix)); |
2692 |
|
needs &= ~NEED_MB; |
2693 |
break; |
break; |
|
} |
|
2694 |
|
|
2695 |
switch (config->cfi->keywords[i].type) { |
case LT_TITLE: |
2696 |
case LT_KERNEL: needs &= ~KERNEL_KERNEL, |
if( useextlinuxmenu != 0 ){ // We just need useextlinuxmenu to not be zero (set above) |
2697 |
chptr = newKernelPath + strlen(prefix); |
char * templabel; |
2698 |
type = LT_KERNEL; break; |
int x = 0, y = 0; |
2699 |
case LT_TITLE: needs &= ~KERNEL_TITLE, chptr = newKernelTitle; |
|
2700 |
type = LT_TITLE; break; |
templabel = strdup(newKernelTitle); |
2701 |
default: |
while( templabel[x]){ |
2702 |
/* zipl strikes again */ |
if( templabel[x] == ' ' ){ |
2703 |
if (config->cfi->titleBracketed) { |
y = x; |
2704 |
needs &= ~KERNEL_TITLE; |
while( templabel[y] ){ |
2705 |
chptr = newKernelTitle; |
templabel[y] = templabel[y+1]; |
2706 |
type = LT_TITLE; |
y++; |
2707 |
break; |
} |
2708 |
} else { |
} |
2709 |
abort(); |
x++; |
2710 |
} |
} |
2711 |
} |
newLine = addLine(new, config->cfi, LT_TITLE, |
2712 |
|
config->primaryIndent, templabel); |
2713 |
|
free(templabel); |
2714 |
|
}else{ |
2715 |
|
newLine = addLine(new, config->cfi, LT_TITLE, |
2716 |
|
config->primaryIndent, newKernelTitle); |
2717 |
|
} |
2718 |
|
needs &= ~NEED_TITLE; |
2719 |
|
break; |
2720 |
|
|
2721 |
newLine = addLine(new, config->cfi, type, config->primaryIndent, chptr); |
default: |
2722 |
new->lines = newLine; |
abort(); |
2723 |
|
} |
2724 |
} |
} |
2725 |
|
|
2726 |
if (new->multiboot) { |
/* add the remainder of the lines, i.e. those that either |
2727 |
if (needs & KERNEL_MB) |
* weren't present in the template, or in the case of no template, |
2728 |
newLine = addLine(new, config->cfi, LT_KERNEL, |
* all the lines following the entrySeparator. |
2729 |
config->secondaryIndent, |
*/ |
2730 |
newMBKernel + strlen(prefix)); |
if (needs & NEED_TITLE) { |
2731 |
if (needs & KERNEL_KERNEL) |
newLine = addLine(new, config->cfi, LT_TITLE, |
2732 |
newLine = addLine(new, config->cfi, LT_MBMODULE, |
config->secondaryIndent, |
2733 |
config->secondaryIndent, |
newKernelTitle); |
2734 |
newKernelPath + strlen(prefix)); |
needs &= ~NEED_TITLE; |
2735 |
/* don't need to check for title as it's guaranteed to have been |
} |
2736 |
* done as we only do multiboot with grub which uses title as |
if ((needs & NEED_MB) && config->cfi->mbHyperFirst) { |
2737 |
* a separator */ |
newLine = addLine(new, config->cfi, LT_HYPER, |
2738 |
if (needs & KERNEL_INITRD && newKernelInitrd) |
config->secondaryIndent, |
2739 |
newLine = addLine(new, config->cfi, LT_MBMODULE, |
newMBKernel + strlen(prefix)); |
2740 |
config->secondaryIndent, |
needs &= ~NEED_MB; |
2741 |
newKernelInitrd + strlen(prefix)); |
} |
2742 |
} else { |
if (needs & NEED_KERNEL) { |
2743 |
if (needs & KERNEL_KERNEL) |
newLine = addLine(new, config->cfi, |
2744 |
newLine = addLine(new, config->cfi, LT_KERNEL, |
(new->multiboot && getKeywordByType(LT_MBMODULE, |
2745 |
config->secondaryIndent, |
config->cfi)) ? |
2746 |
newKernelPath + strlen(prefix)); |
LT_MBMODULE : LT_KERNEL, |
2747 |
if (needs & KERNEL_TITLE) |
config->secondaryIndent, |
2748 |
newLine = addLine(new, config->cfi, LT_TITLE, |
newKernelPath + strlen(prefix)); |
2749 |
config->secondaryIndent, |
needs &= ~NEED_KERNEL; |
2750 |
newKernelTitle); |
} |
2751 |
if (needs & KERNEL_INITRD && newKernelInitrd) |
if (needs & NEED_MB) { |
2752 |
newLine = addLine(new, config->cfi, LT_INITRD, |
newLine = addLine(new, config->cfi, LT_HYPER, |
2753 |
config->secondaryIndent, |
config->secondaryIndent, |
2754 |
newKernelInitrd + strlen(prefix)); |
newMBKernel + strlen(prefix)); |
2755 |
|
needs &= ~NEED_MB; |
2756 |
|
} |
2757 |
|
if (needs & NEED_INITRD) { |
2758 |
|
char *initrdVal; |
2759 |
|
initrdVal = getInitrdVal(config, prefix, NULL, newKernelInitrd, extraInitrds, extraInitrdCount); |
2760 |
|
newLine = addLine(new, config->cfi, |
2761 |
|
(new->multiboot && getKeywordByType(LT_MBMODULE, |
2762 |
|
config->cfi)) ? |
2763 |
|
LT_MBMODULE : LT_INITRD, |
2764 |
|
config->secondaryIndent, |
2765 |
|
initrdVal); |
2766 |
|
free(initrdVal); |
2767 |
|
needs &= ~NEED_INITRD; |
2768 |
|
} |
2769 |
|
|
2770 |
|
if (needs) { |
2771 |
|
printf(_("grubby: needs=%d, aborting\n"), needs); |
2772 |
|
abort(); |
2773 |
} |
} |
2774 |
|
|
2775 |
if (updateImage(config, "0", prefix, newKernelArgs, NULL, |
if (updateImage(config, "0", prefix, newKernelArgs, NULL, |
2778 |
return 0; |
return 0; |
2779 |
} |
} |
2780 |
|
|
2781 |
|
static void traceback(int signum) |
2782 |
|
{ |
2783 |
|
void *array[40]; |
2784 |
|
size_t size; |
2785 |
|
|
2786 |
|
signal(SIGSEGV, SIG_DFL); |
2787 |
|
memset(array, '\0', sizeof (array)); |
2788 |
|
size = backtrace(array, 40); |
2789 |
|
|
2790 |
|
fprintf(stderr, "grubby recieved SIGSEGV! Backtrace (%ld):\n", |
2791 |
|
(unsigned long)size); |
2792 |
|
backtrace_symbols_fd(array, size, STDERR_FILENO); |
2793 |
|
exit(1); |
2794 |
|
} |
2795 |
|
|
2796 |
int main(int argc, const char ** argv) { |
int main(int argc, const char ** argv) { |
2797 |
poptContext optCon; |
poptContext optCon; |
2798 |
char * grubConfig = NULL; |
char * grubConfig = NULL; |
2802 |
int badImageOkay = 0; |
int badImageOkay = 0; |
2803 |
int configureLilo = 0, configureELilo = 0, configureGrub = 0; |
int configureLilo = 0, configureELilo = 0, configureGrub = 0; |
2804 |
int configureYaboot = 0, configureSilo = 0, configureZipl = 0; |
int configureYaboot = 0, configureSilo = 0, configureZipl = 0; |
2805 |
|
int configureExtLinux = 0; |
2806 |
int bootloaderProbe = 0; |
int bootloaderProbe = 0; |
2807 |
|
int extraInitrdCount = 0; |
2808 |
char * updateKernelPath = NULL; |
char * updateKernelPath = NULL; |
2809 |
char * newKernelPath = NULL; |
char * newKernelPath = NULL; |
2810 |
char * removeKernelPath = NULL; |
char * removeKernelPath = NULL; |
2820 |
char * defaultKernel = NULL; |
char * defaultKernel = NULL; |
2821 |
char * removeArgs = NULL; |
char * removeArgs = NULL; |
2822 |
char * kernelInfo = NULL; |
char * kernelInfo = NULL; |
2823 |
|
char * extraInitrds[MAX_EXTRA_INITRDS] = { NULL }; |
2824 |
const char * chptr = NULL; |
const char * chptr = NULL; |
2825 |
struct configFileInfo * cfi = NULL; |
struct configFileInfo * cfi = NULL; |
2826 |
struct grubConfig * config; |
struct grubConfig * config; |
2861 |
_("display the path of the default kernel") }, |
_("display the path of the default kernel") }, |
2862 |
{ "elilo", 0, POPT_ARG_NONE, &configureELilo, 0, |
{ "elilo", 0, POPT_ARG_NONE, &configureELilo, 0, |
2863 |
_("configure elilo bootloader") }, |
_("configure elilo bootloader") }, |
2864 |
|
{ "extlinux", 0, POPT_ARG_NONE, &configureExtLinux, 0, |
2865 |
|
_("configure extlinux bootloader (from syslinux)") }, |
2866 |
{ "grub", 0, POPT_ARG_NONE, &configureGrub, 0, |
{ "grub", 0, POPT_ARG_NONE, &configureGrub, 0, |
2867 |
_("configure grub bootloader") }, |
_("configure grub bootloader") }, |
2868 |
{ "info", 0, POPT_ARG_STRING, &kernelInfo, 0, |
{ "info", 0, POPT_ARG_STRING, &kernelInfo, 0, |
2870 |
_("kernel-path") }, |
_("kernel-path") }, |
2871 |
{ "initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0, |
{ "initrd", 0, POPT_ARG_STRING, &newKernelInitrd, 0, |
2872 |
_("initrd image for the new kernel"), _("initrd-path") }, |
_("initrd image for the new kernel"), _("initrd-path") }, |
2873 |
|
{ "extra-initrd", 'i', POPT_ARG_STRING, NULL, 'i', |
2874 |
|
_("auxilliary initrd image for things other than the new kernel"), _("initrd-path") }, |
2875 |
{ "lilo", 0, POPT_ARG_NONE, &configureLilo, 0, |
{ "lilo", 0, POPT_ARG_NONE, &configureLilo, 0, |
2876 |
_("configure lilo bootloader") }, |
_("configure lilo bootloader") }, |
2877 |
{ "make-default", 0, 0, &makeDefault, 0, |
{ "make-default", 0, 0, &makeDefault, 0, |
2908 |
{ 0, 0, 0, 0, 0 } |
{ 0, 0, 0, 0, 0 } |
2909 |
}; |
}; |
2910 |
|
|
2911 |
|
useextlinuxmenu=0; |
2912 |
|
|
2913 |
|
signal(SIGSEGV, traceback); |
2914 |
|
|
2915 |
optCon = poptGetContext("grubby", argc, argv, options, 0); |
optCon = poptGetContext("grubby", argc, argv, options, 0); |
2916 |
poptReadDefaultConfig(optCon, 1); |
poptReadDefaultConfig(optCon, 1); |
2917 |
|
|
2921 |
printf("grubby version %s\n", VERSION); |
printf("grubby version %s\n", VERSION); |
2922 |
exit(0); |
exit(0); |
2923 |
break; |
break; |
2924 |
|
case 'i': |
2925 |
|
if (extraInitrdCount < MAX_EXTRA_INITRDS) { |
2926 |
|
extraInitrds[extraInitrdCount++] = strdup(poptGetOptArg(optCon)); |
2927 |
|
} else { |
2928 |
|
fprintf(stderr, _("grubby: extra initrd maximum is %d\n"), extraInitrdCount); |
2929 |
|
return 1; |
2930 |
|
} |
2931 |
|
break; |
2932 |
} |
} |
2933 |
} |
} |
2934 |
|
|
2945 |
} |
} |
2946 |
|
|
2947 |
if ((configureLilo + configureGrub + configureELilo + |
if ((configureLilo + configureGrub + configureELilo + |
2948 |
configureYaboot + configureSilo + configureZipl) > 1) { |
configureYaboot + configureSilo + configureZipl + |
2949 |
|
configureExtLinux ) > 1) { |
2950 |
fprintf(stderr, _("grubby: cannot specify multiple bootloaders\n")); |
fprintf(stderr, _("grubby: cannot specify multiple bootloaders\n")); |
2951 |
return 1; |
return 1; |
2952 |
} else if (bootloaderProbe && grubConfig) { |
} else if (bootloaderProbe && grubConfig) { |
2965 |
cfi = &siloConfigType; |
cfi = &siloConfigType; |
2966 |
} else if (configureZipl) { |
} else if (configureZipl) { |
2967 |
cfi = &ziplConfigType; |
cfi = &ziplConfigType; |
2968 |
|
} else if (configureExtLinux) { |
2969 |
|
cfi = &extlinuxConfigType; |
2970 |
|
useextlinuxmenu=1; |
2971 |
} |
} |
2972 |
|
|
2973 |
if (!cfi) { |
if (!cfi) { |
3007 |
if (newKernelPath && !newKernelTitle) { |
if (newKernelPath && !newKernelTitle) { |
3008 |
fprintf(stderr, _("grubby: kernel title must be specified\n")); |
fprintf(stderr, _("grubby: kernel title must be specified\n")); |
3009 |
return 1; |
return 1; |
3010 |
} else if (!newKernelPath && (newKernelTitle || newKernelInitrd || |
} else if (!newKernelPath && (newKernelTitle || copyDefault || |
3011 |
newKernelInitrd || copyDefault || |
(newKernelInitrd && !updateKernelPath)|| |
3012 |
makeDefault)) { |
makeDefault || extraInitrdCount > 0)) { |
3013 |
fprintf(stderr, _("grubby: kernel path expected\n")); |
fprintf(stderr, _("grubby: kernel path expected\n")); |
3014 |
return 1; |
return 1; |
3015 |
} |
} |
3062 |
bootPrefix = ""; |
bootPrefix = ""; |
3063 |
} |
} |
3064 |
|
|
3065 |
|
if (!cfi->mbAllowExtraInitRds && |
3066 |
|
extraInitrdCount > 0) { |
3067 |
|
fprintf(stderr, _("grubby: %s doesn't allow multiple initrds\n"), cfi->defaultConfig); |
3068 |
|
return 1; |
3069 |
|
} |
3070 |
|
|
3071 |
if (bootloaderProbe) { |
if (bootloaderProbe) { |
3072 |
int lrc = 0, grc = 0; |
int lrc = 0, grc = 0, erc = 0; |
3073 |
struct grubConfig * lconfig, * gconfig; |
struct grubConfig * lconfig, * gconfig; |
3074 |
|
|
3075 |
if (!access(grubConfigType.defaultConfig, F_OK)) { |
if (!access(grubConfigType.defaultConfig, F_OK)) { |
3088 |
lrc = checkForLilo(lconfig); |
lrc = checkForLilo(lconfig); |
3089 |
} |
} |
3090 |
|
|
3091 |
|
if (!access(extlinuxConfigType.defaultConfig, F_OK)) { |
3092 |
|
lconfig = readConfig(extlinuxConfigType.defaultConfig, &extlinuxConfigType); |
3093 |
|
if (!lconfig) |
3094 |
|
erc = 1; |
3095 |
|
else |
3096 |
|
erc = checkForExtLinux(lconfig); |
3097 |
|
} |
3098 |
|
|
3099 |
if (lrc == 1 || grc == 1) return 1; |
if (lrc == 1 || grc == 1) return 1; |
3100 |
|
|
3101 |
if (lrc == 2) printf("lilo\n"); |
if (lrc == 2) printf("lilo\n"); |
3102 |
if (grc == 2) printf("grub\n"); |
if (grc == 2) printf("grub\n"); |
3103 |
|
if (erc == 2) printf("extlinux\n"); |
3104 |
|
|
3105 |
return 0; |
return 0; |
3106 |
} |
} |
3118 |
if (!entry) return 0; |
if (!entry) return 0; |
3119 |
if (!suitableImage(entry, bootPrefix, 0, flags)) return 0; |
if (!suitableImage(entry, bootPrefix, 0, flags)) return 0; |
3120 |
|
|
3121 |
line = entry->lines; |
line = getLineByType(LT_KERNEL|LT_HYPER, entry->lines); |
|
while (line && line->type != LT_KERNEL) line = line->next; |
|
3122 |
if (!line) return 0; |
if (!line) return 0; |
3123 |
|
|
3124 |
rootspec = getRootSpecifier(line->elements[1].item); |
rootspec = getRootSpecifier(line->elements[1].item); |
3141 |
setFallbackImage(config, newKernelPath != NULL); |
setFallbackImage(config, newKernelPath != NULL); |
3142 |
if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs, |
if (updateImage(config, updateKernelPath, bootPrefix, newKernelArgs, |
3143 |
removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1; |
removeArgs, newMBKernelArgs, removeMBKernelArgs)) return 1; |
3144 |
|
if (updateKernelPath && newKernelInitrd) { |
3145 |
|
if (updateInitrd(config, updateKernelPath, bootPrefix, |
3146 |
|
newKernelInitrd)) return 1; |
3147 |
|
} |
3148 |
if (addNewKernel(config, template, bootPrefix, newKernelPath, |
if (addNewKernel(config, template, bootPrefix, newKernelPath, |
3149 |
newKernelTitle, newKernelArgs, newKernelInitrd, |
newKernelTitle, newKernelArgs, newKernelInitrd, |
3150 |
|
extraInitrds, extraInitrdCount, |
3151 |
newMBKernel, newMBKernelArgs)) return 1; |
newMBKernel, newMBKernelArgs)) return 1; |
3152 |
|
|
3153 |
|
|