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/* File: md.c Copyright (C) 1998-2004 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 to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <stdio.h> #include <string.h> #include "types.h" #include "common.h" #include "md.h" #include "intrface.h" #include "fnctdsk.h" int check_MD(t_param_disk *disk_car,t_diskext *partition,const int debug) { unsigned char buffer[8*SECTOR_SIZE]; dword offset=MD_NEW_SIZE_SECTORS(partition->part_size); if(disk_car->read(disk_car,8, &buffer, partition->lba+offset)!=0) { return 1; } if(test_MD(disk_car,(struct mdp_superblock_s*)&buffer,partition,debug,0)!=0) return 1; set_MD_info(disk_car,(struct mdp_superblock_s*)&buffer,partition,debug,0); return 0; } int set_MD_info(t_param_disk *disk_car, const struct mdp_superblock_s *sb,t_diskext *partition,const int debug, const int dump_ind) { unsigned int i; sprintf(partition->name,"md%u",sb->md_minor); sprintf(partition->info,"Raid %u: devices",sb->level); for(i=0;i<MD_SB_DISKS;i++) { if(sb->disks[i].major!=0 && sb->disks[i].minor!=0) { if(strlen(partition->info)<sizeof(partition->info)-26) { sprintf(&partition->info[strlen(partition->info)]," (%u,%u)",sb->disks[i].major,sb->disks[i].minor); if(sb->disks[i].major==sb->this_disk.major && sb->disks[i].minor==sb->this_disk.minor) sprintf(&partition->info[strlen(partition->info)],"*"); } } } return 0; } int recover_MD(t_param_disk *disk_car, const struct mdp_superblock_s *sb,t_diskext *partition,const int debug, const int dump_ind) { if(test_MD(disk_car,sb,partition,debug,dump_ind)!=0) return 1; set_MD_info(disk_car,sb,partition,debug,dump_ind); partition->part_type=(unsigned char)P_RAID; partition->lba=partition->lba-(sb->size<<1); partition->part_size=(sb->size<<1)+MD_RESERVED_SECTORS; return 0; } int test_MD(t_param_disk *disk_car, const struct mdp_superblock_s *sb,t_diskext *partition,const int debug, const int dump_ind) { if(sb->md_magic==(unsigned int)MD_SB_MAGIC) { if(dump_ind!=0) { ecrit_rapport("\nRaid magic value at %u/%u/%u\n", LBA2cylinder(disk_car,partition->lba),LBA2head(disk_car,partition->lba),LBA2sector(disk_car,partition->lba)); /* There is a little offset ... */ dump(stdscr,sb,SECTOR_SIZE); } partition->upart_type=UP_RAID; return 0; } return 1; }