1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
/* packet-sccp.h
* Definitions for Signalling Connection Control Part (SCCP) dissection
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __PACKET_SCCP_H
#define __PACKET_SCCP_H
#include "ws_symbol_export.h"
#define SCCP_MSG_TYPE_CR 0x01
#define SCCP_MSG_TYPE_CC 0x02
#define SCCP_MSG_TYPE_CREF 0x03
#define SCCP_MSG_TYPE_RLSD 0x04
#define SCCP_MSG_TYPE_RLC 0x05
#define SCCP_MSG_TYPE_DT1 0x06
#define SCCP_MSG_TYPE_DT2 0x07
#define SCCP_MSG_TYPE_AK 0x08
#define SCCP_MSG_TYPE_UDT 0x09
#define SCCP_MSG_TYPE_UDTS 0x0a
#define SCCP_MSG_TYPE_ED 0x0b
#define SCCP_MSG_TYPE_EA 0x0c
#define SCCP_MSG_TYPE_RSR 0x0d
#define SCCP_MSG_TYPE_RSC 0x0e
#define SCCP_MSG_TYPE_ERR 0x0f
#define SCCP_MSG_TYPE_IT 0x10
#define SCCP_MSG_TYPE_XUDT 0x11
#define SCCP_MSG_TYPE_XUDTS 0x12
#define SCCP_MSG_TYPE_LUDT 0x13
#define SCCP_MSG_TYPE_LUDTS 0x14
WS_DLL_PUBLIC const value_string sccp_message_type_acro_values[];
WS_DLL_PUBLIC const value_string sccp_release_cause_values[];
WS_DLL_PUBLIC const value_string sccp_return_cause_values[];
WS_DLL_PUBLIC const value_string sccp_reset_cause_values[];
WS_DLL_PUBLIC const value_string sccp_error_cause_values[];
WS_DLL_PUBLIC const value_string sccp_refusal_cause_values[];
/* from packet-sua.c */
WS_DLL_PUBLIC const value_string sua_co_class_type_acro_values[];
typedef enum _sccp_payload_t {
SCCP_PLOAD_NONE,
SCCP_PLOAD_BSSAP,
SCCP_PLOAD_RANAP,
SCCP_PLOAD_NUM_PLOADS
} sccp_payload_t;
typedef struct _sccp_msg_info_t {
guint framenum;
guint offset;
guint type;
union {
struct {
gchar* label;
gchar* comment;
struct _sccp_assoc_info_t* assoc;
struct _sccp_msg_info_t* next;
} co;
struct {
guint8* calling_gt;
guint calling_ssn;
guint8* called_gt;
guint called_ssn;
} ud;
} data;
} sccp_msg_info_t;
typedef struct _sccp_assoc_info_t {
guint32 id;
guint32 calling_dpc;
guint32 called_dpc;
guint8 calling_ssn;
guint8 called_ssn;
gboolean has_fw_key;
gboolean has_bw_key;
sccp_msg_info_t* msgs;
sccp_msg_info_t* curr_msg;
sccp_payload_t payload;
gchar* calling_party;
gchar* called_party;
gchar* extra_info;
guint32 app_info; /* used only by dissectors of protocols above SCCP */
} sccp_assoc_info_t;
typedef struct _sccp_decode_context_t {
guint8 message_type;
guint dlr;
guint slr;
sccp_assoc_info_t* assoc;
sccp_msg_info_t* sccp_msg;
} sccp_decode_context_t;
extern sccp_assoc_info_t* get_sccp_assoc(packet_info* pinfo, guint offset, sccp_decode_context_t* value);
extern gboolean looks_like_valid_sccp(guint32 frame_num, tvbuff_t *tvb, guint8 my_mtp3_standard);
#define INVALID_LR 0xffffff /* a reserved value */
#define GT_SIGNAL_LENGTH 1
#define GT_ODD_SIGNAL_MASK 0x0f
#define GT_EVEN_SIGNAL_MASK 0xf0
#define GT_EVEN_SIGNAL_SHIFT 4
#define GT_MAX_SIGNALS (32*7) /* it's a bit big, but it allows for adding a lot of "(spare)" and "Unknown" values (7 chars) if there are errors - e.g. ANSI vs ITU wrongly selected */
WS_DLL_PUBLIC const value_string sccp_address_signal_values[];
#endif
|
