mirror of
https://github.com/sheumann/hush.git
synced 2024-12-28 07:30:23 +00:00
d25c33f186
function old new delta static.warn 1 - -1 static.drive_name_string 14 12 -2 static.offsets 8 - -8 static.sectors 10 - -10 fs2 60 48 -12 raid2 16 - -16 uuidcache_init 704 677 -27 raid1 32 - -32 volume_id_probe_all 198 158 -40 volume_id_probe_lvm1 58 - -58 volume_id_probe_highpoint_37x_raid 63 - -63 volume_id_probe_hpfs 67 - -67 volume_id_probe_minix 74 - -74 volume_id_probe_lvm2 78 - -78 volume_id_probe_silicon_medley_raid 97 - -97 volume_id_probe_via_raid 101 - -101 volume_id_probe_highpoint_45x_raid 104 - -104 volume_id_probe_nvidia_raid 108 - -108 volume_id_probe_lsi_mega_raid 108 - -108 volume_id_probe_intel_software_raid 108 - -108 volume_id_probe_ufs 126 - -126 volume_id_probe_promise_fasttrack_raid 144 - -144 ------------------------------------------------------------------------------ (add/remove: 0/18 grow/shrink: 0/4 up/down: 0/-1384) Total: -1384 bytes text data bss dec hex filename 794244 662 7420 802326 c3e16 busybox_old 792698 662 7420 800780 c380c busybox_unstripped
88 lines
2.2 KiB
C
88 lines
2.2 KiB
C
/*
|
|
* volume_id - reads filesystem label and uuid
|
|
*
|
|
* Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include "volume_id_internal.h"
|
|
|
|
struct lvm1_super_block {
|
|
uint8_t id[2];
|
|
} __attribute__((packed));
|
|
|
|
struct lvm2_super_block {
|
|
uint8_t id[8];
|
|
uint64_t sector_xl;
|
|
uint32_t crc_xl;
|
|
uint32_t offset_xl;
|
|
uint8_t type[8];
|
|
} __attribute__((packed));
|
|
|
|
#define LVM1_SB_OFF 0x400
|
|
|
|
int volume_id_probe_lvm1(struct volume_id *id, uint64_t off)
|
|
{
|
|
struct lvm1_super_block *lvm;
|
|
|
|
dbg("probing at offset 0x%llx", (unsigned long long) off);
|
|
|
|
lvm = volume_id_get_buffer(id, off + LVM1_SB_OFF, 0x800);
|
|
if (lvm == NULL)
|
|
return -1;
|
|
|
|
if (lvm->id[0] != 'H' || lvm->id[1] != 'M')
|
|
return -1;
|
|
|
|
// volume_id_set_usage(id, VOLUME_ID_RAID);
|
|
// id->type = "LVM1_member";
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define LVM2_LABEL_ID "LABELONE"
|
|
#define LVM2LABEL_SCAN_SECTORS 4
|
|
|
|
int volume_id_probe_lvm2(struct volume_id *id, uint64_t off)
|
|
{
|
|
const uint8_t *buf;
|
|
unsigned soff;
|
|
struct lvm2_super_block *lvm;
|
|
|
|
dbg("probing at offset 0x%llx", (unsigned long long) off);
|
|
|
|
buf = volume_id_get_buffer(id, off, LVM2LABEL_SCAN_SECTORS * 0x200);
|
|
if (buf == NULL)
|
|
return -1;
|
|
|
|
|
|
for (soff = 0; soff < LVM2LABEL_SCAN_SECTORS * 0x200; soff += 0x200) {
|
|
lvm = (struct lvm2_super_block *) &buf[soff];
|
|
|
|
if (memcmp(lvm->id, LVM2_LABEL_ID, 8) == 0)
|
|
goto found;
|
|
}
|
|
|
|
return -1;
|
|
|
|
found:
|
|
// memcpy(id->type_version, lvm->type, 8);
|
|
// volume_id_set_usage(id, VOLUME_ID_RAID);
|
|
// id->type = "LVM2_member";
|
|
|
|
return 0;
|
|
}
|