*
* Copyright (C) 2006 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 version 2 of the License.
+ * 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
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <ctype.h>
#include "libvolume_id.h"
-#include "util.h"
+#include "libvolume_id-private.h"
#define SQUASHFS_MAGIC 0x73717368
+#define SQUASHFS_MAGIC_LZMA 0x71736873
struct squashfs_super {
- uint32_t s_magic;
+ uint32_t s_magic;
+ uint32_t inodes;
+ uint32_t bytes_used_2;
+ uint32_t uid_start_2;
+ uint32_t guid_start_2;
+ uint32_t inode_table_start_2;
+ uint32_t directory_table_start_2;
+ uint16_t s_major;
+ uint16_t s_minor;
} PACKED;
int volume_id_probe_squashfs(struct volume_id *id, uint64_t off, uint64_t size)
{
struct squashfs_super *sqs;
- info("probing at offset 0x%llx", (unsigned long long) off);
+ info("probing at offset 0x%llx\n", (unsigned long long) off);
- sqs = (struct squashfs_super *) volume_id_get_buffer(id, off + 0x200, 0x200);
+ sqs = (struct squashfs_super *) volume_id_get_buffer(id, off, 0x200);
if (sqs == NULL)
return -1;
- if (sqs->s_magic == SQUASHFS_MAGIC || sqs->s_magic == bswap_32(SQUASHFS_MAGIC)) {
- volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
- id->type = "squashfs";
- return 0;
+ if (sqs->s_magic == SQUASHFS_MAGIC || sqs->s_magic == SQUASHFS_MAGIC_LZMA) {
+ snprintf(id->type_version, sizeof(id->type_version), "%u.%u",
+ sqs->s_major, sqs->s_minor);
+ goto found;
+ }
+ if (sqs->s_magic == bswap_32(SQUASHFS_MAGIC) || sqs->s_magic == bswap_32(SQUASHFS_MAGIC_LZMA)) {
+ snprintf(id->type_version, sizeof(id->type_version), "%u.%u",
+ bswap_16(sqs->s_major), bswap_16(sqs->s_minor));
+ goto found;
}
return -1;
+
+found:
+ volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
+ id->type = "squashfs";
+ return 0;
}