diff options
Diffstat (limited to 'extras/volume_id/lib/hpfs.c')
| -rw-r--r-- | extras/volume_id/lib/hpfs.c | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/extras/volume_id/lib/hpfs.c b/extras/volume_id/lib/hpfs.c deleted file mode 100644 index 0f0770f05f..0000000000 --- a/extras/volume_id/lib/hpfs.c +++ /dev/null @@ -1,116 +0,0 @@ -/* - * volume_id - reads filesystem label and uuid - * - * Copyright (C) 2005 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" - -struct hpfs_boot_block -{ - uint8_t jmp[3]; - uint8_t oem_id[8]; - uint8_t bytes_per_sector[2]; - uint8_t sectors_per_cluster; - uint8_t n_reserved_sectors[2]; - uint8_t n_fats; - uint8_t n_rootdir_entries[2]; - uint8_t n_sectors_s[2]; - uint8_t media_byte; - uint16_t sectors_per_fat; - uint16_t sectors_per_track; - uint16_t heads_per_cyl; - uint32_t n_hidden_sectors; - uint32_t n_sectors_l; - uint8_t drive_number; - uint8_t mbz; - uint8_t sig_28h; - uint8_t vol_serno[4]; - uint8_t vol_label[11]; - uint8_t sig_hpfs[8]; - uint8_t pad[448]; - uint8_t magic[2]; -} PACKED; - -struct hpfs_super -{ - uint8_t magic[4]; - uint8_t magic1[4]; - uint8_t version; -} PACKED; - - -struct hpfs_spare_super -{ - uint8_t magic[4]; - uint8_t magic1[4]; -} PACKED; - -#define HPFS_SUPERBLOCK_OFFSET 0x2000 -#define HPFS_SUPERBLOCK_SPARE_OFFSET 0x2200 - -int volume_id_probe_hpfs(struct volume_id *id, uint64_t off, uint64_t size) -{ - struct hpfs_super *hs; - struct hpfs_spare_super *hss; - struct hpfs_boot_block *hbb; - uint8_t version; - - info("probing at offset 0x%" PRIx64 "\n", off); - - hs = (struct hpfs_super *) volume_id_get_buffer(id, off + HPFS_SUPERBLOCK_OFFSET, 0x400); - if (hs == NULL) - return -1; - if (memcmp(hs->magic, "\x49\xe8\x95\xf9", 4) != 0) - return -1; - - hss = (struct hpfs_spare_super *) volume_id_get_buffer(id, off + HPFS_SUPERBLOCK_SPARE_OFFSET, 0x200); - if (hss == NULL) - return -1; - if (memcmp(hss->magic, "\x49\x18\x91\xf9", 4) != 0) - return -1; - - version = hs->version; - - /* if boot block looks valid, read label and uuid from there */ - hbb = (struct hpfs_boot_block *) volume_id_get_buffer(id, off, 0x200); - if (hbb == NULL) - return -1; - if (memcmp(hbb->magic, "\x55\xaa", 2) == 0 && - memcmp(hbb->sig_hpfs, "HPFS", 4) == 0 && - hbb->sig_28h == 0x28) { - volume_id_set_label_raw(id, hbb->vol_label, 11); - volume_id_set_label_string(id, hbb->vol_label, 11); - volume_id_set_uuid(id, hbb->vol_serno, 0, UUID_DOS); - } - sprintf(id->type_version, "%u", version); - volume_id_set_usage(id, VOLUME_ID_FILESYSTEM); - id->type = "hpfs"; - - return 0; -} |