1  /*
       2   * Copyright (C) 2008 Karel Zak <kzak@redhat.com>
       3   *
       4   * Inspired by libvolume_id by
       5   *     Kay Sievers <kay.sievers@vrfy.org>
       6   *
       7   * This file may be redistributed under the terms of the
       8   * GNU Lesser General Public License.
       9   */
      10  #include <stdio.h>
      11  #include <stdlib.h>
      12  #include <unistd.h>
      13  #include <string.h>
      14  #include <stdint.h>
      15  
      16  #include "superblocks.h"
      17  
      18  struct netware_super_block {
      19  	uint8_t		SBH_Signature[4];
      20  	uint16_t	SBH_VersionMajor;
      21  	uint16_t	SBH_VersionMinor;
      22  	uint16_t	SBH_VersionMediaMajor;
      23  	uint16_t	SBH_VersionMediaMinor;
      24  	uint32_t	SBH_ItemsMoved;
      25  	uint8_t		SBH_InternalID[16];
      26  	uint32_t	SBH_PackedSize;
      27  	uint32_t	SBH_Checksum;
      28  	uint32_t	supersyncid;
      29  	int64_t		superlocation[4];
      30  	uint32_t	physSizeUsed;
      31  	uint32_t	sizeUsed;
      32  	uint32_t	superTimeStamp;
      33  	uint32_t	reserved0[1];
      34  	int64_t		SBH_LoggedPoolDataBlk;
      35  	int64_t		SBH_PoolDataBlk;
      36  	uint8_t		SBH_OldInternalID[16];
      37  	uint32_t	SBH_PoolToLVStartUTC;
      38  	uint32_t	SBH_PoolToLVEndUTC;
      39  	uint16_t	SBH_VersionMediaMajorCreate;
      40  	uint16_t	SBH_VersionMediaMinorCreate;
      41  	uint32_t	SBH_BlocksMoved;
      42  	uint32_t	SBH_TempBTSpBlk;
      43  	uint32_t	SBH_TempFTSpBlk;
      44  	uint32_t	SBH_TempFTSpBlk1;
      45  	uint32_t	SBH_TempFTSpBlk2;
      46  	uint32_t	nssMagicNumber;
      47  	uint32_t	poolClassID;
      48  	uint32_t	poolID;
      49  	uint32_t	createTime;
      50  	int64_t		SBH_LoggedVolumeDataBlk;
      51  	int64_t		SBH_VolumeDataBlk;
      52  	int64_t		SBH_SystemBeastBlkNum;
      53  	uint64_t	totalblocks;
      54  	uint16_t	SBH_Name[64];
      55  	uint8_t		SBH_VolumeID[16];
      56  	uint8_t		SBH_PoolID[16];
      57  	uint8_t		SBH_PoolInternalID[16];
      58  	uint64_t	SBH_Lsn;
      59  	uint32_t	SBH_SS_Enabled;
      60  	uint32_t	SBH_SS_CreateTime;
      61  	uint8_t		SBH_SS_OriginalPoolID[16];
      62  	uint8_t		SBH_SS_OriginalVolumeID[16];
      63  	uint8_t		SBH_SS_Guid[16];
      64  	uint16_t	SBH_SS_OriginalName[64];
      65  	uint32_t	reserved2[64-(2+46)];
      66  } __attribute__((__packed__));
      67  
      68  static int probe_netware(blkid_probe pr, const struct blkid_idmag *mag)
      69  {
      70  	struct netware_super_block *nw;
      71  
      72  	nw = blkid_probe_get_sb(pr, mag, struct netware_super_block);
      73  	if (!nw)
      74  		return errno ? -errno : 1;
      75  
      76  	blkid_probe_set_uuid(pr, nw->SBH_PoolID);
      77  
      78  	blkid_probe_sprintf_version(pr, "%u.%02u",
      79  		 le16_to_cpu(nw->SBH_VersionMediaMajor),
      80  		 le16_to_cpu(nw->SBH_VersionMediaMinor));
      81  
      82  	return 0;
      83  }
      84  
      85  const struct blkid_idinfo netware_idinfo =
      86  {
      87  	.name		= "nss",
      88  	.usage		= BLKID_USAGE_FILESYSTEM,
      89  	.probefunc	= probe_netware,
      90  	.magics		=
      91  	{
      92  		{ .magic = "SPB5", .len = 4, .kboff = 4 },
      93  		{ NULL }
      94  	}
      95  };
      96  
      97