1 /*
2  * EWF session section (EWF-E01)
3  *
4  * Copyright (c) 2006-2014, Joachim Metz <joachim.metz@gmail.com>
5  *
6  * Refer to AUTHORS for acknowledgements.
7  *
8  * This program is free software: you can redistribute it and/or modify
9  * it under the terms of the GNU Lesser General Public License as published by
10  * the Free Software Foundation, either version 3 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public License
19  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
20  */
21 
22 #if !defined( _EWF_SESSION_H )
23 #define _EWF_SESSION_H
24 
25 #include <common.h>
26 #include <types.h>
27 
28 #if defined( __cplusplus )
29 extern "C" {
30 #endif
31 
32 typedef struct ewf_session_header ewf_session_header_t;
33 
34 struct ewf_session_header
35 {
36 	/* Number of sessions
37 	 * consists of 4 bytes
38 	 */
39 	uint8_t number_of_sessions[ 4 ];
40 
41 	/* Unknown
42 	 * consists of 28 bytes
43 	 * contains 0x00
44 	 */
45 	uint8_t unknown1[ 28 ];
46 
47 	/* The section checksum of all (previous) session data
48 	 * consists of 4 bytes (32 bits)
49 	 * starts with offset 76
50 	 */
51 	uint8_t checksum[ 4 ];
52 
53 	/* The session entry array
54 	 * consists of 32 bytes per sector
55 	 * as long as necessary
56 	 */
57 
58 	/* The last session entry is followed by a 4 byte checksum
59 	 */
60 };
61 
62 typedef struct ewf_session_entry ewf_session_entry_t;
63 
64 struct ewf_session_entry
65 {
66 	/* The type
67 	 * consists of 4 bytes
68 	 */
69 	uint8_t type[ 4 ];
70 
71 	/* The start sector of the session
72 	 * consists of 4 bytes
73 	 */
74 	uint8_t start_sector[ 4 ];
75 
76 	/* Unknown
77 	 * consists of 24 bytes
78 	 * contains 0x00
79 	 */
80 	uint8_t unknown2[ 24 ];
81 };
82 
83 #if defined( __cplusplus )
84 }
85 #endif
86 
87 #endif
88 
89