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674e00f6 KS |
1 | /* |
2 | * volume_id - reads filesystem label and uuid | |
3 | * | |
4 | * Copyright (C) 2006 Kay Sievers <kay.sievers@vrfy.org> | |
5 | * | |
55e9959b KS |
6 | * This program is free software: you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
674e00f6 KS |
18 | */ |
19 | ||
20 | #ifndef _GNU_SOURCE | |
21 | #define _GNU_SOURCE 1 | |
22 | #endif | |
23 | ||
674e00f6 KS |
24 | #include <stdio.h> |
25 | #include <stdlib.h> | |
26 | #include <unistd.h> | |
27 | #include <string.h> | |
28 | #include <errno.h> | |
29 | #include <ctype.h> | |
30 | ||
31 | #include "libvolume_id.h" | |
2603474f | 32 | #include "libvolume_id-private.h" |
674e00f6 KS |
33 | |
34 | #define NW_SUPERBLOCK_OFFSET 0x1000 | |
35 | ||
36 | struct netware_super_block { | |
37 | uint8_t SBH_Signature[4]; | |
38 | uint16_t SBH_VersionMajor; | |
39 | uint16_t SBH_VersionMinor; | |
40 | uint16_t SBH_VersionMediaMajor; | |
41 | uint16_t SBH_VersionMediaMinor; | |
42 | uint32_t SBH_ItemsMoved; | |
43 | uint8_t SBH_InternalID[16]; | |
172ee420 KS |
44 | uint32_t SBH_PackedSize; |
45 | uint32_t SBH_Checksum; | |
46 | uint32_t supersyncid; | |
47 | int64_t superlocation[4]; | |
48 | uint32_t physSizeUsed; | |
49 | uint32_t sizeUsed; | |
50 | uint32_t superTimeStamp; | |
51 | uint32_t reserved0[1]; | |
52 | int64_t SBH_LoggedPoolDataBlk; | |
53 | int64_t SBH_PoolDataBlk; | |
54 | uint8_t SBH_OldInternalID[16]; | |
55 | uint32_t SBH_PoolToLVStartUTC; | |
56 | uint32_t SBH_PoolToLVEndUTC; | |
57 | uint16_t SBH_VersionMediaMajorCreate; | |
58 | uint16_t SBH_VersionMediaMinorCreate; | |
59 | uint32_t SBH_BlocksMoved; | |
60 | uint32_t SBH_TempBTSpBlk; | |
61 | uint32_t SBH_TempFTSpBlk; | |
62 | uint32_t SBH_TempFTSpBlk1; | |
63 | uint32_t SBH_TempFTSpBlk2; | |
64 | uint32_t nssMagicNumber; | |
65 | uint32_t poolClassID; | |
66 | uint32_t poolID; | |
67 | uint32_t createTime; | |
68 | int64_t SBH_LoggedVolumeDataBlk; | |
69 | int64_t SBH_VolumeDataBlk; | |
70 | int64_t SBH_SystemBeastBlkNum; | |
71 | uint64_t totalblocks; | |
72 | uint16_t SBH_Name[64]; | |
73 | uint8_t SBH_VolumeID[16]; | |
74 | uint8_t SBH_PoolID[16]; | |
75 | uint8_t SBH_PoolInternalID[16]; | |
76 | uint64_t SBH_Lsn; | |
77 | uint32_t SBH_SS_Enabled; | |
78 | uint32_t SBH_SS_CreateTime; | |
79 | uint8_t SBH_SS_OriginalPoolID[16]; | |
80 | uint8_t SBH_SS_OriginalVolumeID[16]; | |
81 | uint8_t SBH_SS_Guid[16]; | |
82 | uint16_t SBH_SS_OriginalName[64]; | |
83 | uint32_t reserved2[64-(2+46)]; | |
674e00f6 KS |
84 | } PACKED; |
85 | ||
cdf18948 | 86 | int volume_id_probe_netware(struct volume_id *id, uint64_t off, uint64_t size) |
674e00f6 KS |
87 | { |
88 | struct netware_super_block *nw; | |
89 | ||
c70560fe | 90 | info("probing at offset 0x%llx\n", (unsigned long long) off); |
674e00f6 KS |
91 | |
92 | nw = (struct netware_super_block *) volume_id_get_buffer(id, off + NW_SUPERBLOCK_OFFSET, 0x200); | |
93 | if (nw == NULL) | |
94 | return -1; | |
95 | ||
96 | if (memcmp(nw->SBH_Signature, "SPB5", 4) != 0) | |
97 | return -1; | |
98 | ||
444f07fe | 99 | volume_id_set_uuid(id, nw->SBH_PoolID, 0, UUID_DCE); |
674e00f6 KS |
100 | |
101 | snprintf(id->type_version, sizeof(id->type_version)-1, "%u.%02u", | |
102 | le16_to_cpu(nw->SBH_VersionMediaMajor), le16_to_cpu(nw->SBH_VersionMediaMinor)); | |
103 | ||
104 | volume_id_set_usage(id, VOLUME_ID_FILESYSTEM); | |
105 | id->type = "nss"; | |
106 | ||
107 | return 0; | |
108 | } |