diff options
Diffstat (limited to 'extras/volume_id/lib/ufs.c')
-rw-r--r-- | extras/volume_id/lib/ufs.c | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/extras/volume_id/lib/ufs.c b/extras/volume_id/lib/ufs.c deleted file mode 100644 index 0648b454d3..0000000000 --- a/extras/volume_id/lib/ufs.c +++ /dev/null @@ -1,227 +0,0 @@ -/* - * volume_id - reads filesystem label and uuid - * - * Copyright (C) 2004 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 ufs_super_block { - uint32_t fs_link; - uint32_t fs_rlink; - uint32_t fs_sblkno; - uint32_t fs_cblkno; - uint32_t fs_iblkno; - uint32_t fs_dblkno; - uint32_t fs_cgoffset; - uint32_t fs_cgmask; - uint32_t fs_time; - uint32_t fs_size; - uint32_t fs_dsize; - uint32_t fs_ncg; - uint32_t fs_bsize; - uint32_t fs_fsize; - uint32_t fs_frag; - uint32_t fs_minfree; - uint32_t fs_rotdelay; - uint32_t fs_rps; - uint32_t fs_bmask; - uint32_t fs_fmask; - uint32_t fs_bshift; - uint32_t fs_fshift; - uint32_t fs_maxcontig; - uint32_t fs_maxbpg; - uint32_t fs_fragshift; - uint32_t fs_fsbtodb; - uint32_t fs_sbsize; - uint32_t fs_csmask; - uint32_t fs_csshift; - uint32_t fs_nindir; - uint32_t fs_inopb; - uint32_t fs_nspf; - uint32_t fs_optim; - uint32_t fs_npsect_state; - uint32_t fs_interleave; - uint32_t fs_trackskew; - uint32_t fs_id[2]; - uint32_t fs_csaddr; - uint32_t fs_cssize; - uint32_t fs_cgsize; - uint32_t fs_ntrak; - uint32_t fs_nsect; - uint32_t fs_spc; - uint32_t fs_ncyl; - uint32_t fs_cpg; - uint32_t fs_ipg; - uint32_t fs_fpg; - struct ufs_csum { - uint32_t cs_ndir; - uint32_t cs_nbfree; - uint32_t cs_nifree; - uint32_t cs_nffree; - } PACKED fs_cstotal; - int8_t fs_fmod; - int8_t fs_clean; - int8_t fs_ronly; - int8_t fs_flags; - union { - struct { - int8_t fs_fsmnt[512]; - uint32_t fs_cgrotor; - uint32_t fs_csp[31]; - uint32_t fs_maxcluster; - uint32_t fs_cpc; - uint16_t fs_opostbl[16][8]; - } PACKED fs_u1; - struct { - int8_t fs_fsmnt[468]; - uint8_t fs_volname[32]; - uint64_t fs_swuid; - int32_t fs_pad; - uint32_t fs_cgrotor; - uint32_t fs_ocsp[28]; - uint32_t fs_contigdirs; - uint32_t fs_csp; - uint32_t fs_maxcluster; - uint32_t fs_active; - int32_t fs_old_cpc; - int32_t fs_maxbsize; - int64_t fs_sparecon64[17]; - int64_t fs_sblockloc; - struct ufs2_csum_total { - uint64_t cs_ndir; - uint64_t cs_nbfree; - uint64_t cs_nifree; - uint64_t cs_nffree; - uint64_t cs_numclusters; - uint64_t cs_spare[3]; - } PACKED fs_cstotal; - struct ufs_timeval { - int32_t tv_sec; - int32_t tv_usec; - } PACKED fs_time; - int64_t fs_size; - int64_t fs_dsize; - uint64_t fs_csaddr; - int64_t fs_pendingblocks; - int32_t fs_pendinginodes; - } PACKED fs_u2; - } fs_u11; - union { - struct { - int32_t fs_sparecon[53]; - int32_t fs_reclaim; - int32_t fs_sparecon2[1]; - int32_t fs_state; - uint32_t fs_qbmask[2]; - uint32_t fs_qfmask[2]; - } PACKED fs_sun; - struct { - int32_t fs_sparecon[53]; - int32_t fs_reclaim; - int32_t fs_sparecon2[1]; - uint32_t fs_npsect; - uint32_t fs_qbmask[2]; - uint32_t fs_qfmask[2]; - } PACKED fs_sunx86; - struct { - int32_t fs_sparecon[50]; - int32_t fs_contigsumsize; - int32_t fs_maxsymlinklen; - int32_t fs_inodefmt; - uint32_t fs_maxfilesize[2]; - uint32_t fs_qbmask[2]; - uint32_t fs_qfmask[2]; - int32_t fs_state; - } PACKED fs_44; - } fs_u2; - int32_t fs_postblformat; - int32_t fs_nrpos; - int32_t fs_postbloff; - int32_t fs_rotbloff; - uint32_t fs_magic; - uint8_t fs_space[1]; -} PACKED; - -#define UFS_MAGIC 0x00011954 -#define UFS2_MAGIC 0x19540119 -#define UFS_MAGIC_FEA 0x00195612 -#define UFS_MAGIC_LFN 0x00095014 - -int volume_id_probe_ufs(struct volume_id *id, uint64_t off, uint64_t size) -{ - uint32_t magic; - int i; - struct ufs_super_block *ufs; - int offsets[] = {0, 8, 64, 256, -1}; - - info("probing at offset 0x%" PRIx64 "\n", off); - - for (i = 0; offsets[i] >= 0; i++) { - ufs = (struct ufs_super_block *) volume_id_get_buffer(id, off + (offsets[i] * 0x400), 0x800); - if (ufs == NULL) - return -1; - - dbg("offset 0x%x\n", offsets[i] * 0x400); - magic = be32_to_cpu(ufs->fs_magic); - if ((magic == UFS_MAGIC) || - (magic == UFS2_MAGIC) || - (magic == UFS_MAGIC_FEA) || - (magic == UFS_MAGIC_LFN)) { - dbg("magic 0x%08x(be)\n", magic); - goto found; - } - magic = le32_to_cpu(ufs->fs_magic); - if ((magic == UFS_MAGIC) || - (magic == UFS2_MAGIC) || - (magic == UFS_MAGIC_FEA) || - (magic == UFS_MAGIC_LFN)) { - dbg("magic 0x%08x(le)\n", magic); - goto found; - } - } - return -1; - -found: - volume_id_set_usage(id, VOLUME_ID_FILESYSTEM); - id->type = "ufs"; - switch (magic) { - case UFS_MAGIC: - strcpy(id->type_version, "1"); - break; - case UFS2_MAGIC: - strcpy(id->type_version, "2"); - volume_id_set_label_raw(id, ufs->fs_u11.fs_u2.fs_volname, 32); - volume_id_set_label_string(id, ufs->fs_u11.fs_u2.fs_volname, 32); - break; - default: - break; - } - - return 0; -} |