diff options
Diffstat (limited to 'extras/volume_id/lib/minix.c')
-rw-r--r-- | extras/volume_id/lib/minix.c | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/extras/volume_id/lib/minix.c b/extras/volume_id/lib/minix.c deleted file mode 100644 index cca1585602..0000000000 --- a/extras/volume_id/lib/minix.c +++ /dev/null @@ -1,122 +0,0 @@ -/* - * volume_id - reads filesystem label and uuid - * - * Copyright (C) 2005-2007 Kay Sievers <kay.sievers@vrfy.org> - * - * This program 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, see <http://www.gnu.org/licenses/>. - */ - -#ifndef _GNU_SOURCE -#define _GNU_SOURCE 1 -#endif - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <errno.h> -#include <ctype.h> - -#include "libvolume_id.h" -#include "libvolume_id-private.h" - -#define MINIX_SUPERBLOCK_OFFSET 0x400 - -#define MINIX_SUPER_MAGIC 0x137F -#define MINIX_SUPER_MAGIC2 0x138F -#define MINIX2_SUPER_MAGIC 0x2468 -#define MINIX2_SUPER_MAGIC2 0x2478 -#define MINIX3_SUPER_MAGIC 0x4d5a - -struct minix_super_block -{ - uint16_t s_ninodes; - uint16_t s_nzones; - uint16_t s_imap_blocks; - uint16_t s_zmap_blocks; - uint16_t s_firstdatazone; - uint16_t s_log_zone_size; - uint32_t s_max_size; - uint16_t s_magic; - uint16_t s_state; - uint32_t s_zones; -} PACKED; - -struct minix3_super_block { - uint32_t s_ninodes; - uint16_t s_pad0; - uint16_t s_imap_blocks; - uint16_t s_zmap_blocks; - uint16_t s_firstdatazone; - uint16_t s_log_zone_size; - uint16_t s_pad1; - uint32_t s_max_size; - uint32_t s_zones; - uint16_t s_magic; - uint16_t s_pad2; - uint16_t s_blocksize; - uint8_t s_disk_version; -} PACKED; - -int volume_id_probe_minix(struct volume_id *id, uint64_t off, uint64_t size) -{ - uint8_t *buf; - struct minix_super_block *ms; - struct minix3_super_block *m3s; - - info("probing at offset 0x%" PRIx64 "\n", off); - - buf = volume_id_get_buffer(id, off + MINIX_SUPERBLOCK_OFFSET, 0x200); - if (buf == NULL) - return -1; - - ms = (struct minix_super_block *) buf; - - if (ms->s_magic == MINIX_SUPER_MAGIC || - ms->s_magic == bswap_16(MINIX_SUPER_MAGIC)) { - strcpy(id->type_version, "1"); - goto found; - } - if (ms->s_magic == MINIX_SUPER_MAGIC2 || - ms->s_magic == bswap_16(MINIX_SUPER_MAGIC2)) { - strcpy(id->type_version, "1"); - goto found; - } - if (ms->s_magic == MINIX2_SUPER_MAGIC || - ms->s_magic == bswap_16(MINIX2_SUPER_MAGIC)) { - strcpy(id->type_version, "2"); - goto found; - } - if (ms->s_magic == MINIX2_SUPER_MAGIC2 || - ms->s_magic == bswap_16(MINIX2_SUPER_MAGIC2)) { - strcpy(id->type_version, "2"); - goto found; - } - - m3s = (struct minix3_super_block *) buf; - if (m3s->s_magic == MINIX3_SUPER_MAGIC || - m3s->s_magic == bswap_16(MINIX3_SUPER_MAGIC)) { - strcpy(id->type_version, "3"); - goto found; - } - goto exit; - -found: - volume_id_set_usage(id, VOLUME_ID_FILESYSTEM); - id->type = "minix"; - return 0; - -exit: - return -1; -} |