mirror of
https://github.com/sheumann/hush.git
synced 2024-12-28 22:30:05 +00:00
55 lines
1.5 KiB
C
55 lines
1.5 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 romfs_super {
|
|
uint8_t magic[8];
|
|
uint32_t size;
|
|
uint32_t checksum;
|
|
uint8_t name[0];
|
|
} __attribute__((__packed__));
|
|
|
|
int volume_id_probe_romfs(struct volume_id *id, uint64_t off)
|
|
{
|
|
struct romfs_super *rfs;
|
|
|
|
dbg("probing at offset 0x%llx", (unsigned long long) off);
|
|
|
|
rfs = volume_id_get_buffer(id, off, 0x200);
|
|
if (rfs == NULL)
|
|
return -1;
|
|
|
|
if (memcmp(rfs->magic, "-rom1fs-", 4) == 0) {
|
|
size_t len = strlen((char *)rfs->name);
|
|
|
|
if (len) {
|
|
volume_id_set_label_raw(id, rfs->name, len);
|
|
volume_id_set_label_string(id, rfs->name, len);
|
|
}
|
|
|
|
volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
|
|
id->type = "romfs";
|
|
return 0;
|
|
}
|
|
|
|
return -1;
|
|
}
|