12 #ifndef __TAP_SCTP_ANALYSIS_H__
13 #define __TAP_SCTP_ANALYSIS_H__
16 #include <epan/dissectors/packet-sctp.h>
21 #include <sys/types.h>
22 #include <sys/socket.h>
23 #include <netinet/in.h>
30 #define CHUNK_TYPE_LENGTH 1
31 #define CHUNK_FLAGS_LENGTH 1
32 #define CHUNK_LENGTH_LENGTH 2
34 #define CHUNK_HEADER_OFFSET 0
35 #define CHUNK_TYPE_OFFSET CHUNK_HEADER_OFFSET
36 #define CHUNK_FLAGS_OFFSET (CHUNK_TYPE_OFFSET + CHUNK_TYPE_LENGTH)
37 #define CHUNK_LENGTH_OFFSET (CHUNK_FLAGS_OFFSET + CHUNK_FLAGS_LENGTH)
38 #define CHUNK_VALUE_OFFSET (CHUNK_LENGTH_OFFSET + CHUNK_LENGTH_LENGTH)
40 #define INIT_CHUNK_INITIATE_TAG_LENGTH 4
41 #define INIT_CHUNK_ADV_REC_WINDOW_CREDIT_LENGTH 4
42 #define INIT_CHUNK_NUMBER_OF_OUTBOUND_STREAMS_LENGTH 2
43 #define INIT_CHUNK_NUMBER_OF_INBOUND_STREAMS_LENGTH 2
46 #define INIT_CHUNK_INITIATE_TAG_OFFSET CHUNK_VALUE_OFFSET
47 #define INIT_CHUNK_ADV_REC_WINDOW_CREDIT_OFFSET (INIT_CHUNK_INITIATE_TAG_OFFSET + \
48 INIT_CHUNK_INITIATE_TAG_LENGTH )
49 #define INIT_CHUNK_NUMBER_OF_OUTBOUND_STREAMS_OFFSET (INIT_CHUNK_ADV_REC_WINDOW_CREDIT_OFFSET + \
50 INIT_CHUNK_ADV_REC_WINDOW_CREDIT_LENGTH )
51 #define INIT_CHUNK_NUMBER_OF_INBOUND_STREAMS_OFFSET (INIT_CHUNK_NUMBER_OF_OUTBOUND_STREAMS_OFFSET + \
52 INIT_CHUNK_NUMBER_OF_OUTBOUND_STREAMS_LENGTH )
53 #define INIT_CHUNK_INITIAL_TSN_OFFSET (INIT_CHUNK_NUMBER_OF_INBOUND_STREAMS_OFFSET + \
54 INIT_CHUNK_NUMBER_OF_INBOUND_STREAMS_LENGTH )
56 #define DATA_CHUNK_TSN_LENGTH 4
57 #define DATA_CHUNK_TSN_OFFSET (CHUNK_VALUE_OFFSET + 0)
58 #define DATA_CHUNK_STREAM_ID_OFFSET (DATA_CHUNK_TSN_OFFSET + DATA_CHUNK_TSN_LENGTH)
59 #define DATA_CHUNK_STREAM_ID_LENGTH 2
60 #define DATA_CHUNK_STREAM_SEQ_NUMBER_LENGTH 2
61 #define DATA_CHUNK_PAYLOAD_PROTOCOL_ID_LENGTH 4
62 #define I_DATA_CHUNK_RESERVED_LENGTH 2
63 #define I_DATA_CHUNK_MID_LENGTH 4
64 #define I_DATA_CHUNK_PAYLOAD_PROTOCOL_ID_LENGTH 4
65 #define I_DATA_CHUNK_FSN_LENGTH 4
66 #define I_DATA_CHUNK_RESERVED_OFFSET (DATA_CHUNK_STREAM_ID_OFFSET + \
67 DATA_CHUNK_STREAM_ID_LENGTH)
68 #define I_DATA_CHUNK_MID_OFFSET (I_DATA_CHUNK_RESERVED_OFFSET + \
69 I_DATA_CHUNK_RESERVED_LENGTH)
70 #define I_DATA_CHUNK_PAYLOAD_PROTOCOL_ID_OFFSET (I_DATA_CHUNK_MID_OFFSET + \
71 I_DATA_CHUNK_MID_LENGTH)
72 #define I_DATA_CHUNK_FSN_OFFSET (I_DATA_CHUNK_MID_OFFSET + \
73 I_DATA_CHUNK_MID_LENGTH)
74 #define I_DATA_CHUNK_PAYLOAD_OFFSET (I_DATA_CHUNK_PAYLOAD_PROTOCOL_ID_OFFSET + \
75 I_DATA_CHUNK_PAYLOAD_PROTOCOL_ID_LENGTH)
76 #define DATA_CHUNK_HEADER_LENGTH (CHUNK_HEADER_LENGTH + \
77 DATA_CHUNK_TSN_LENGTH + \
78 DATA_CHUNK_STREAM_ID_LENGTH + \
79 DATA_CHUNK_STREAM_SEQ_NUMBER_LENGTH + \
80 DATA_CHUNK_PAYLOAD_PROTOCOL_ID_LENGTH)
81 #define I_DATA_CHUNK_HEADER_LENGTH (CHUNK_HEADER_LENGTH + \
82 DATA_CHUNK_TSN_LENGTH + \
83 DATA_CHUNK_STREAM_ID_LENGTH + \
84 I_DATA_CHUNK_RESERVED_LENGTH + \
85 I_DATA_CHUNK_MID_LENGTH +\
86 I_DATA_CHUNK_PAYLOAD_PROTOCOL_ID_LENGTH)
87 #define MAX_ADDRESS_LEN 47
89 #define SCTP_ABORT_CHUNK_T_BIT 0x01
91 #define PARAMETER_TYPE_LENGTH 2
92 #define PARAMETER_LENGTH_LENGTH 2
93 #define PARAMETER_HEADER_LENGTH (PARAMETER_TYPE_LENGTH + PARAMETER_LENGTH_LENGTH)
95 #define PARAMETER_HEADER_OFFSET 0
96 #define PARAMETER_TYPE_OFFSET PARAMETER_HEADER_OFFSET
97 #define PARAMETER_LENGTH_OFFSET (PARAMETER_TYPE_OFFSET + PARAMETER_TYPE_LENGTH)
98 #define PARAMETER_VALUE_OFFSET (PARAMETER_LENGTH_OFFSET + PARAMETER_LENGTH_LENGTH)
100 #define IPV6_ADDRESS_LENGTH 16
101 #define IPV6_ADDRESS_OFFSET PARAMETER_VALUE_OFFSET
102 #define IPV4_ADDRESS_LENGTH 4
103 #define IPV4_ADDRESS_OFFSET PARAMETER_VALUE_OFFSET
104 #define IPV4ADDRESS_PARAMETER_ID 0x0005
105 #define IPV6ADDRESS_PARAMETER_ID 0x0006
107 #define SACK_CHUNK_CUMULATIVE_TSN_ACK_LENGTH 4
108 #define SACK_CHUNK_CUMULATIVE_TSN_ACK_OFFSET (CHUNK_VALUE_OFFSET + 0)
109 #define SACK_CHUNK_ADV_REC_WINDOW_CREDIT_LENGTH 4
110 #define SACK_CHUNK_ADV_REC_WINDOW_CREDIT_OFFSET (SACK_CHUNK_CUMULATIVE_TSN_ACK_OFFSET + \
111 SACK_CHUNK_CUMULATIVE_TSN_ACK_LENGTH)
113 #define INIT_CHUNK_INITIAL_TSN_LENGTH 4
114 #define INIT_CHUNK_FIXED_PARAMETERS_LENGTH (INIT_CHUNK_INITIATE_TAG_LENGTH + \
115 INIT_CHUNK_ADV_REC_WINDOW_CREDIT_LENGTH + \
116 INIT_CHUNK_NUMBER_OF_OUTBOUND_STREAMS_LENGTH + \
117 INIT_CHUNK_NUMBER_OF_INBOUND_STREAMS_LENGTH + \
118 INIT_CHUNK_INITIAL_TSN_LENGTH)
119 #define CHUNK_HEADER_LENGTH (CHUNK_TYPE_LENGTH + \
120 CHUNK_FLAGS_LENGTH + \
122 #define INIT_CHUNK_VARIABLE_LENGTH_PARAMETER_OFFSET (INIT_CHUNK_INITIAL_TSN_OFFSET + \
123 INIT_CHUNK_INITIAL_TSN_LENGTH )
126 #define NUM_CHUNKS 0x100
133 #define OTHER_CHUNKS_INDEX 0xfe
139 #define MAX_SCTP_CHUNK_TYPE 256
142 uint32_t frame_number;
158 uint32_t verification_tag1;
159 uint32_t verification_tag2;
160 uint32_t initiate_tag;
166 uint32_t initack_vtag;
167 uint32_t init_min_tsn;
168 uint32_t initack_min_tsn;
179 uint32_t framenumber;
189 uint32_t addr_count[MAX_SCTP_CHUNK_TYPE];
198 uint32_t verification_tag1;
199 uint32_t verification_tag2;
200 uint32_t initiate_tag;
208 uint32_t n_adler32_calculated;
209 uint32_t n_adler32_correct;
210 uint32_t n_crc32c_calculated;
211 uint32_t n_crc32c_correct;
212 char checksum_type[8];
213 uint32_t n_checksum_errors;
214 uint32_t n_bundling_errors;
215 uint32_t n_padding_errors;
216 uint32_t n_length_errors;
217 uint32_t n_value_errors;
218 uint32_t n_data_chunks;
219 uint32_t n_forward_chunks;
220 uint32_t n_forward_chunks_ep1;
221 uint32_t n_forward_chunks_ep2;
222 uint32_t n_data_bytes;
224 uint32_t n_data_chunks_ep1;
225 uint32_t n_data_bytes_ep1;
226 uint32_t n_data_chunks_ep2;
227 uint32_t n_data_bytes_ep2;
228 uint32_t n_sack_chunks_ep1;
229 uint32_t n_sack_chunks_ep2;
230 uint32_t n_array_tsn1;
231 uint32_t n_array_tsn2;
232 uint32_t max_window1;
233 uint32_t max_window2;
239 bool init_collision:1;
240 uint16_t initack_dir;
255 GList *frame_numbers;
257 GPtrArray *sort_tsn1;
258 GPtrArray *sort_sack1;
261 GPtrArray *sort_tsn2;
262 GPtrArray *sort_sack2;
265 GList* error_info_list;
270 uint32_t chunk_count[MAX_SCTP_CHUNK_TYPE];
271 uint32_t ep1_chunk_count[MAX_SCTP_CHUNK_TYPE];
272 uint32_t ep2_chunk_count[MAX_SCTP_CHUNK_TYPE];
273 GList *addr_chunk_count;
277 uint32_t frame_number;
278 char chunk_info[200];
279 const char *info_text;
285 GList *assoc_info_list;
292 void register_tap_listener_sctp_stat(
void);
296 void sctp_stat_scan(
void);
298 void remove_tap_listener_sctp_stat(
void);
Definition: tap-sctp-analysis.h:182
Definition: tap-sctp-analysis.h:283
Definition: tap-sctp-analysis.h:192
Definition: tap-sctp-analysis.h:276
Definition: tap-sctp-analysis.h:164
Definition: tap-sctp-analysis.h:151
Definition: tap-sctp-analysis.h:141
Definition: tap-sctp-analysis.h:173