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/*
* volume_id - reads filesystem label and uuid
*
* 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.
*/
#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 <string.h>
#include <errno.h>
#include <ctype.h>
#include "libvolume_id.h"
#include "util.h"
#define NW_SUPERBLOCK_OFFSET 0x1000
struct netware_super_block {
uint8_t SBH_Signature[4];
uint16_t SBH_VersionMajor;
uint16_t SBH_VersionMinor;
uint16_t SBH_VersionMediaMajor;
uint16_t SBH_VersionMediaMinor;
uint32_t SBH_ItemsMoved;
uint8_t SBH_InternalID[16];
} PACKED;
int volume_id_probe_netware(struct volume_id *id, uint64_t off)
{
struct netware_super_block *nw;
info("probing at offset 0x%llx", (unsigned long long) off);
nw = (struct netware_super_block *) volume_id_get_buffer(id, off + NW_SUPERBLOCK_OFFSET, 0x200);
if (nw == NULL)
return -1;
if (memcmp(nw->SBH_Signature, "SPB5", 4) != 0)
return -1;
volume_id_set_uuid(id, nw->SBH_InternalID, UUID_DCE);
snprintf(id->type_version, sizeof(id->type_version)-1, "%u.%02u",
le16_to_cpu(nw->SBH_VersionMediaMajor), le16_to_cpu(nw->SBH_VersionMediaMinor));
volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
id->type = "nss";
return 0;
}
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