mirror of
https://github.com/sheumann/hush.git
synced 2024-10-29 20:27:40 +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
124 lines
3.8 KiB
C
124 lines
3.8 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 mac_driver_desc {
|
|
uint8_t signature[2];
|
|
uint16_t block_size;
|
|
uint32_t block_count;
|
|
} __attribute__((__packed__));
|
|
|
|
struct mac_partition {
|
|
uint8_t signature[2];
|
|
uint16_t res1;
|
|
uint32_t map_count;
|
|
uint32_t start_block;
|
|
uint32_t block_count;
|
|
uint8_t name[32];
|
|
uint8_t type[32];
|
|
} __attribute__((__packed__));
|
|
|
|
int volume_id_probe_mac_partition_map(struct volume_id *id, uint64_t off)
|
|
{
|
|
const uint8_t *buf;
|
|
struct mac_driver_desc *driver;
|
|
struct mac_partition *part;
|
|
|
|
dbg("probing at offset 0x%llx", (unsigned long long) off);
|
|
|
|
buf = volume_id_get_buffer(id, off, 0x200);
|
|
if (buf == NULL)
|
|
return -1;
|
|
|
|
part = (struct mac_partition *) buf;
|
|
if (part->signature[0] == 'P' && part->signature[1] == 'M' /* "PM" */
|
|
&& (memcmp(part->type, "Apple_partition_map", 19) == 0)
|
|
) {
|
|
/* linux creates an own subdevice for the map
|
|
* just return the type if the drive header is missing */
|
|
// volume_id_set_usage(id, VOLUME_ID_PARTITIONTABLE);
|
|
// id->type = "mac_partition_map";
|
|
return 0;
|
|
}
|
|
|
|
driver = (struct mac_driver_desc *) buf;
|
|
if (driver->signature[0] == 'E' && driver->signature[1] == 'R') { /* "ER" */
|
|
/* we are on a main device, like a CD
|
|
* just try to probe the first partition from the map */
|
|
unsigned bsize = be16_to_cpu(driver->block_size);
|
|
int part_count;
|
|
int i;
|
|
|
|
/* get first entry of partition table */
|
|
buf = volume_id_get_buffer(id, off + bsize, 0x200);
|
|
if (buf == NULL)
|
|
return -1;
|
|
|
|
part = (struct mac_partition *) buf;
|
|
if (part->signature[0] != 'P' || part->signature[1] != 'M') /* not "PM" */
|
|
return -1;
|
|
|
|
part_count = be32_to_cpu(part->map_count);
|
|
dbg("expecting %d partition entries", part_count);
|
|
|
|
if (id->partitions != NULL)
|
|
free(id->partitions);
|
|
id->partitions = xzalloc(part_count * sizeof(struct volume_id_partition));
|
|
|
|
id->partition_count = part_count;
|
|
|
|
for (i = 0; i < part_count; i++) {
|
|
uint64_t poff;
|
|
uint64_t plen;
|
|
|
|
buf = volume_id_get_buffer(id, off + ((i+1) * bsize), 0x200);
|
|
if (buf == NULL)
|
|
return -1;
|
|
|
|
part = (struct mac_partition *) buf;
|
|
if (part->signature[0] != 'P' || part->signature[1] != 'M') /* not "PM" */
|
|
return -1;
|
|
|
|
poff = be32_to_cpu(part->start_block) * bsize;
|
|
plen = be32_to_cpu(part->block_count) * bsize;
|
|
dbg("found '%s' partition entry at 0x%llx, len 0x%llx",
|
|
part->type, (unsigned long long) poff,
|
|
(unsigned long long) plen);
|
|
|
|
// id->partitions[i].pt_off = poff;
|
|
// id->partitions[i].pt_len = plen;
|
|
|
|
// if (memcmp(part->type, "Apple_Free", 10) == 0) {
|
|
// volume_id_set_usage_part(&id->partitions[i], VOLUME_ID_UNUSED);
|
|
// } else if (memcmp(part->type, "Apple_partition_map", 19) == 0) {
|
|
// volume_id_set_usage_part(&id->partitions[i], VOLUME_ID_PARTITIONTABLE);
|
|
// } else {
|
|
// volume_id_set_usage_part(&id->partitions[i], VOLUME_ID_UNPROBED);
|
|
// }
|
|
}
|
|
// volume_id_set_usage(id, VOLUME_ID_PARTITIONTABLE);
|
|
// id->type = "mac_partition_map";
|
|
return 0;
|
|
}
|
|
|
|
return -1;
|
|
}
|