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authorChristophe Grenier <grenier@cgsecurity.org>2007-10-29 22:38:52 +0100
committerChristophe Grenier <grenier@cgsecurity.org>2007-10-29 22:38:52 +0100
commit9928d99936105b4653d2d1b8ca74dc3ffba5c71e (patch)
tree06aa4f5e9f0055027c6fb54dd47a8414cf2fba32 /src/ufs.c
First version in git
Diffstat (limited to 'src/ufs.c')
-rw-r--r--src/ufs.c193
1 files changed, 193 insertions, 0 deletions
diff --git a/src/ufs.c b/src/ufs.c
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+++ b/src/ufs.c
@@ -0,0 +1,193 @@
+/*
+
+ File: ufs.c
+
+ Copyright (C) 2005-2007 Christophe GRENIER <grenier@cgsecurity.org>
+
+ This software is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write the Free Software Foundation, Inc., 51
+ Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+#include "types.h"
+#include "common.h"
+#include "ufs.h"
+#include "fnctdsk.h"
+#include "log.h"
+
+static int set_ufs_info(const disk_t *disk_car, const struct ufs_super_block *sb,partition_t *partition, const int verbose, const int dump_ind);
+static int test_ufs(const disk_t *disk_car, const struct ufs_super_block *sb,partition_t *partition,const int verbose, const int dump_ind);
+
+int check_ufs(disk_t *disk_car,partition_t *partition,const int verbose)
+{
+ const struct ufs_super_block*sb;
+ unsigned char *buffer;
+ buffer=(unsigned char*)MALLOC(UFS_SUPERBLOCK_SIZE);
+ sb=(const struct ufs_super_block*)buffer;
+ if(disk_car->read(disk_car,UFS_SUPERBLOCK_SIZE, buffer, partition->part_offset+UFS_SBLOCK)!=0)
+ {
+ free(buffer);
+ return 1;
+ }
+ if(test_ufs(disk_car,sb,partition,verbose,0)!=0)
+ {
+ free(buffer);
+ return 1;
+ }
+ set_ufs_info(disk_car,sb,partition,verbose,0);
+ free(buffer);
+ return 0;
+}
+
+static int test_ufs(const disk_t *disk_car, const struct ufs_super_block *sb,partition_t *partition,const int verbose, const int dump_ind)
+{
+ if(le32(sb->fs_magic)==UFS_MAGIC && le32(sb->fs_size) > 0 &&
+ (le32(sb->fs_fsize)==512 || le32(sb->fs_fsize)==1024 || le32(sb->fs_fsize)==2048 || le32(sb->fs_fsize)==4096))
+ {
+ partition->upart_type = UP_UFS;
+ if(verbose>1)
+ log_info("\nUFS Marker at %u/%u/%u\n", offset2cylinder(disk_car,partition->part_offset),offset2head(disk_car,partition->part_offset),offset2sector(disk_car,partition->part_offset));
+ return 0;
+ }
+ if(be32(sb->fs_magic)==UFS_MAGIC && be32(sb->fs_size) > 0 &&
+ (be32(sb->fs_fsize)==512 || be32(sb->fs_fsize)==1024 || be32(sb->fs_fsize)==2048 || be32(sb->fs_fsize)==4096))
+ {
+ partition->upart_type = UP_UFS;
+ if(verbose>1)
+ log_info("\nUFS Marker at %u/%u/%u\n", offset2cylinder(disk_car,partition->part_offset),offset2head(disk_car,partition->part_offset),offset2sector(disk_car,partition->part_offset));
+ return 0;
+ }
+ if(le32(sb->fs_magic)==UFS2_MAGIC && le64(sb->fs_u11.fs_u2.fs_size) > 0 &&
+ (le32(sb->fs_fsize)==512 || le32(sb->fs_fsize)==1024 || le32(sb->fs_fsize)==2048 || le32(sb->fs_fsize)==4096))
+ {
+ partition->upart_type = UP_UFS2;
+ if(verbose>1)
+ log_info("\nUFS2 Marker at %u/%u/%u\n", offset2cylinder(disk_car,partition->part_offset),offset2head(disk_car,partition->part_offset),offset2sector(disk_car,partition->part_offset));
+ return 0;
+ }
+ if(be32(sb->fs_magic)==UFS2_MAGIC && be64(sb->fs_u11.fs_u2.fs_size) > 0 &&
+ (be32(sb->fs_fsize)==512 || be32(sb->fs_fsize)==1024 || be32(sb->fs_fsize)==2048 || be32(sb->fs_fsize)==4096))
+ {
+ partition->upart_type = UP_UFS2;
+ if(verbose>1)
+ log_info("\nUFS2 Marker at %u/%u/%u\n", offset2cylinder(disk_car,partition->part_offset),offset2head(disk_car,partition->part_offset),offset2sector(disk_car,partition->part_offset));
+ return 0;
+ }
+ return 1;
+}
+
+int recover_ufs(disk_t *disk_car, const struct ufs_super_block *sb, partition_t *partition,const int verbose, const int dump_ind)
+{
+ if(test_ufs(disk_car,sb,partition,verbose,dump_ind)!=0)
+ return 1;
+ if(dump_ind!=0)
+ {
+ log_info("recover_ufs\n");
+ dump_log(sb,sizeof(*sb));
+ }
+ switch(le32(sb->fs_magic))
+ {
+ case UFS_MAGIC:
+ partition->part_size = (uint64_t)le32(sb->fs_size)*le32(sb->fs_fsize);
+ if(verbose>1)
+ {
+ log_info("fs_size %lu, fs_fsize %lu\n", (long unsigned)le32(sb->fs_size), (long unsigned)le32(sb->fs_fsize));
+ log_info("fs_sblkno %lu\n", (long unsigned)le32(sb->fs_sblkno));
+ }
+ break;
+ case UFS2_MAGIC:
+ partition->part_size = (uint64_t)le64(sb->fs_u11.fs_u2.fs_size)*le32(sb->fs_fsize);
+ if(verbose>1)
+ {
+ log_info("fs_size %lu, fs_fsize %lu\n", (long unsigned)le64(sb->fs_u11.fs_u2.fs_size), (long unsigned)le32(sb->fs_fsize));
+ log_info("fs_sblkno %lu\n", (long unsigned)le32(sb->fs_sblkno));
+ log_info("fs_sblockloc %llu\n", (long long unsigned)le64(sb->fs_u11.fs_u2.fs_sblockloc));
+ }
+ break;
+ }
+ switch(be32(sb->fs_magic))
+ {
+ case UFS_MAGIC:
+ partition->part_size = (uint64_t)be32(sb->fs_size)*be32(sb->fs_fsize);
+ if(verbose>1)
+ {
+ log_info("fs_size %lu, fs_fsize %lu\n",(long unsigned)be32(sb->fs_size),(long unsigned)be32(sb->fs_fsize));
+ }
+ break;
+ case UFS2_MAGIC:
+ partition->part_size = (uint64_t)be64(sb->fs_u11.fs_u2.fs_size)*be32(sb->fs_fsize);
+ if(verbose>1)
+ {
+ log_info("fs_size %lu, fs_fsize %lu\n", (long unsigned)be64(sb->fs_u11.fs_u2.fs_size), (long unsigned)be32(sb->fs_fsize));
+ }
+ break;
+ }
+
+ set_ufs_info(disk_car,sb,partition,verbose,dump_ind);
+ if(strcmp(partition->fsname,"/")==0)
+ {
+ partition->part_type_sun = (unsigned char)PSUN_ROOT;
+ partition->part_type_gpt=GPT_ENT_TYPE_SOLARIS_ROOT;
+ }
+ else if(strcmp(partition->fsname,"/var")==0)
+ {
+ partition->part_type_sun = (unsigned char)PSUN_VAR;
+ partition->part_type_gpt=GPT_ENT_TYPE_SOLARIS_VAR;
+ }
+ else if(strcmp(partition->fsname,"/usr")==0)
+ {
+ partition->part_type_sun = (unsigned char)PSUN_USR;
+ partition->part_type_gpt=GPT_ENT_TYPE_SOLARIS_USR;
+ }
+ else if(strcmp(partition->fsname,"/export/home")==0)
+ {
+ partition->part_type_sun = (unsigned char)PSUN_HOME;
+ partition->part_type_gpt=GPT_ENT_TYPE_SOLARIS_HOME;
+ }
+ else
+ {
+ partition->part_type_sun = (unsigned char)PSUN_ROOT;
+ partition->part_type_gpt=GPT_ENT_TYPE_SOLARIS_HOME;
+ }
+ return 0;
+}
+
+static int set_ufs_info(const disk_t *disk_car,const struct ufs_super_block *sb,partition_t *partition, const int verbose, const int dump_ind)
+{
+ partition->fsname[0]='\0';
+ partition->info[0]='\0';
+ switch(partition->upart_type)
+ {
+ case UP_UFS:
+ default:
+ set_part_name(partition,(const char*)sb->fs_u11.fs_u1.fs_fsmnt,sizeof(partition->fsname));
+ strncpy(partition->info,"UFS1",sizeof(partition->info));
+ break;
+ case UP_UFS2:
+ set_part_name(partition,(const char*)sb->fs_u11.fs_u2.fs_fsmnt,sizeof(partition->fsname));
+ strncpy(partition->info,"UFS2",sizeof(partition->info));
+ break;
+ }
+ return 0;
+}