mirror of
https://github.com/sheumann/hush.git
synced 2024-12-22 14:30:31 +00:00
60 lines
1.6 KiB
C
60 lines
1.6 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 cramfs_super {
|
|
uint32_t magic;
|
|
uint32_t size;
|
|
uint32_t flags;
|
|
uint32_t future;
|
|
uint8_t signature[16];
|
|
struct cramfs_info {
|
|
uint32_t crc;
|
|
uint32_t edition;
|
|
uint32_t blocks;
|
|
uint32_t files;
|
|
} PACKED info;
|
|
uint8_t name[16];
|
|
} PACKED;
|
|
|
|
int volume_id_probe_cramfs(struct volume_id *id /*,uint64_t off*/)
|
|
{
|
|
#define off ((uint64_t)0)
|
|
struct cramfs_super *cs;
|
|
|
|
dbg("probing at offset 0x%llx", (unsigned long long) off);
|
|
|
|
cs = volume_id_get_buffer(id, off, 0x200);
|
|
if (cs == NULL)
|
|
return -1;
|
|
|
|
if (cs->magic == cpu_to_be32(0x453dcd28)) {
|
|
// volume_id_set_label_raw(id, cs->name, 16);
|
|
volume_id_set_label_string(id, cs->name, 16);
|
|
|
|
// volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
|
|
// id->type = "cramfs";
|
|
return 0;
|
|
}
|
|
|
|
return -1;
|
|
}
|