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
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
/* Copyright (c) 2013, The TCPDUMP project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <tcpdump-stdinc.h>
#include "m3ua.h"
#include "interface.h"
#include "addrtoname.h"
#include "extract.h"
static const struct tok MgmtMessages[] = {
{ M3UA_MGMT_ERROR, "Error" },
{ M3UA_MGMT_NOTIFY, "Notify" },
{ 0, NULL }
};
static const struct tok TransferMessages[] = {
{ M3UA_TRANSFER_DATA, "Data" },
{ 0, NULL }
};
static const struct tok SS7Messages[] = {
{ M3UA_SSNM_DUNA, "Destination Unavailable" },
{ M3UA_SSNM_DAVA, "Destination Available" },
{ M3UA_SSNM_DAUD, "Destination State Audit" },
{ M3UA_SSNM_SCON, "Signalling Congestion" },
{ M3UA_SSNM_DUPU, "Destination User Part Unavailable" },
{ M3UA_SSNM_DRST, "Destination Restricted" },
{ 0, NULL }
};
static const struct tok ASPStateMessages[] = {
{ M3UA_ASP_UP, "Up" },
{ M3UA_ASP_DN, "Down" },
{ M3UA_ASP_BEAT, "Heartbeat" },
{ M3UA_ASP_UP_ACK, "Up Acknowledgement" },
{ M3UA_ASP_DN_ACK, "Down Acknowledgement" },
{ M3UA_ASP_BEAT_ACK, "Heartbeat Acknowledgement" },
{ 0, NULL }
};
static const struct tok ASPTrafficMessages[] = {
{ M3UA_ASP_AC, "Active" },
{ M3UA_ASP_IA, "Inactive" },
{ M3UA_ASP_AC_ACK, "Active Acknowledgement" },
{ M3UA_ASP_IA_ACK, "Inactive Acknowledgement" },
{ 0, NULL }
};
static const struct tok RoutingKeyMgmtMessages[] = {
{ M3UA_RKM_REQ, "Registration Request" },
{ M3UA_RKM_RSP, "Registration Response" },
{ M3UA_RKM_DEREQ, "Deregistration Request" },
{ M3UA_RKM_DERSP, "Deregistration Response" },
{ 0, NULL }
};
static const struct tok ParamName[] = {
{ M3UA_PARAM_INFO, "INFO String" },
{ M3UA_PARAM_ROUTING_CTX, "Routing Context" },
{ M3UA_PARAM_DIAGNOSTIC, "Diagnostic Info" },
{ M3UA_PARAM_HB_DATA, "Heartbeat Data" },
{ M3UA_PARAM_TRAFFIC_MODE_TYPE, "Traffic Mode Type" },
{ M3UA_PARAM_ERROR_CODE, "Error Code" },
{ M3UA_PARAM_STATUS, "Status" },
{ M3UA_PARAM_ASP_ID, "ASP Identifier" },
{ M3UA_PARAM_AFFECTED_POINT_CODE, "Affected Point Code" },
{ M3UA_PARAM_CORR_ID, "Correlation ID" },
{ M3UA_PARAM_NETWORK_APPEARANCE, "Network Appearance" },
{ M3UA_PARAM_USER, "User/Cause" },
{ M3UA_PARAM_CONGESTION_INDICATION, "Congestion Indications" },
{ M3UA_PARAM_CONCERNED_DST, "Concerned Destination" },
{ M3UA_PARAM_ROUTING_KEY, "Routing Key" },
{ M3UA_PARAM_REG_RESULT, "Registration Result" },
{ M3UA_PARAM_DEREG_RESULT, "Deregistration Result" },
{ M3UA_PARAM_LOCAL_ROUTING_KEY_ID, "Local Routing Key Identifier" },
{ M3UA_PARAM_DST_POINT_CODE, "Destination Point Code" },
{ M3UA_PARAM_SI, "Service Indicators" },
{ M3UA_PARAM_ORIGIN_POINT_CODE_LIST, "Originating Point Code List" },
{ M3UA_PARAM_PROTO_DATA, "Protocol Data" },
{ M3UA_PARAM_REG_STATUS, "Registration Status" },
{ M3UA_PARAM_DEREG_STATUS, "Deregistration Status" },
{ 0, NULL }
};
static void print_tag_value(const u_char *buf, u_int16_t tag, u_int16_t size)
{
switch (tag) {
case M3UA_PARAM_NETWORK_APPEARANCE:
case M3UA_PARAM_ROUTING_CTX:
case M3UA_PARAM_CORR_ID:
printf("0x%08x", EXTRACT_32BITS(buf));
break;
/* ... */
default:
printf("(length %u)", size);
}
}
static void print_m3ua_tags(const u_char *buf, u_int size)
{
const u_char *p = buf;
while (p < buf + size) {
const struct m3ua_param_header *hdr = (const struct m3ua_param_header *) p;
printf("\n\t\t\t%s: ", tok2str(ParamName, "Unknown Parameter (0x%04x)", EXTRACT_16BITS(&hdr->tag)));
print_tag_value(p + sizeof(struct m3ua_param_header), EXTRACT_16BITS(&hdr->tag), EXTRACT_16BITS(&hdr->len));
p += EXTRACT_16BITS(&hdr->len);
int align = (int) (p - buf) % 4;
p += (align) ? 4 - align : 0;
}
}
void print_m3ua(const u_char *buf, u_int size)
{
const struct m3ua_common_header *hdr = (const struct m3ua_common_header *) buf;
printf("\n\t\t");
switch (hdr->msg_class) {
case M3UA_MSGC_MGMT:
printf("Management %s Message", tok2str(MgmtMessages, "Unknown (0x%02x)", hdr->msg_type));
break;
case M3UA_MSGC_TRANSFER:
printf("Transfer %s Message", tok2str(TransferMessages, "Unknown (0x%02x)", hdr->msg_type));
break;
case M3UA_MSGC_SSNM:
printf("SS7 %s Message", tok2str(SS7Messages, "Unknown (0x%02x)", hdr->msg_type));
break;
case M3UA_MSGC_ASPSM:
printf("ASP %s Message", tok2str(ASPStateMessages, "Unknown (0x%02x)", hdr->msg_type));
break;
case M3UA_MSGC_ASPTM:
printf("ASP %s Message", tok2str(ASPTrafficMessages, "Unknown (0x%02x)", hdr->msg_type));
break;
case M3UA_MSGC_RKM:
printf("Routing Key Managment %s Message",
tok2str(RoutingKeyMgmtMessages, "Unknown (0x%02x)", hdr->msg_type));
break;
default:
printf("Unknown message class %i", hdr->msg_class);
break;
};
fflush(stdout);
if (size != EXTRACT_32BITS(&hdr->len))
printf("\n\t\t\t@@@@@@ Corrupted length %u of message @@@@@@", EXTRACT_32BITS(&hdr->len));
else
print_m3ua_tags(buf + sizeof(struct m3ua_common_header), EXTRACT_32BITS(&hdr->len) - sizeof(struct m3ua_common_header));
}
|
