epan/dissectors/packet-tcap.h

   1 /* Do not modify this file. Changes will be overwritten.                      */
   2 /* Generated automatically by the ASN.1 to Wireshark dissector compiler       */
   3 /* packet-tcap.h                                                              */
   4 /* asn2wrs.py -b -q -L -p tcap -c ./tcap.cnf -s ./packet-tcap-template -D . -O ../.. tcap.asn UnidialoguePDUs.asn DialoguePDUs.asn */
   5
   6 /* packet-tcap.h
   7  *
   8  * Copyright 2004, Tim Endean <endeant@hotmail.com>
   9  *
  10  * Wireshark - Network traffic analyzer
  11  * By Gerald Combs <gerald@wireshark.org>
  12  * Copyright 1998 Gerald Combs
  13  *
  14  * SPDX-License-Identifier: GPL-2.0-or-later
  15  */
  16
  17
  18 #ifndef PACKET_tcap_H
  19 #define PACKET_tcap_H
  20
  21 #include "ws_symbol_export.h"
  22
  23 /* TCAP component type */
  24 #define TCAP_COMP_INVOKE        0xa1
  25 #define TCAP_COMP_RRL           0xa2
  26 #define TCAP_COMP_RE            0xa3
  27 #define TCAP_COMP_REJECT        0xa4
  28 #define TCAP_COMP_RRN           0xa7
  29
  30
  31 #define ANSI_TC_INVOKE_L        0xe9
  32 #define ANSI_TC_RRL             0xea
  33 #define ANSI_TC_RE              0xeb
  34 #define ANSI_TC_REJECT          0xec
  35 #define ANSI_TC_INVOKE_N        0xed
  36 #define ANSI_TC_RRN             0xee
  37
  38
  39 #define TCAP_SEQ_TAG            0x30
  40 #define TCAP_SET_TAG            0x31
  41
  42 #define TCAP_INVOKE_ID_TAG      0x02
  43 #define TCAP_LINKED_ID_TAG      0x80
  44
  45 #define TCAP_EOC_LEN            2
  46
  47 #define TCAP_CONSTRUCTOR(TCtag) (TCtag & 0x20)
  48
  49 #define TC_BEGIN 1
  50 #define TC_CONT 2
  51 #define TC_END 3
  52 #define TC_ABORT 4
  53 #define TC_ANSI_ABORT 5
  54 #define TC_ANSI_ALL 6
  55
  56 struct tcap_private_t {
  57   bool acv; /* Is the Application Context Version present */
  58   const void * oid;
  59   uint32_t session_id;
  60   void * context;
  61   char *TransactionID_str;
  62   uint32_t src_tid;
  63   uint32_t dst_tid;
  64 };
  65
  66 /** @file
  67  * lists and hash tables used in wireshark's tcap dissector
  68  * for calculation of delays in tcap-calls
  69  */
  70
  71 #define LENGTH_OID 23
  72 struct tcaphash_context_t {
  73   struct tcaphash_context_key_t * key;
  74   uint32_t session_id;
  75   uint32_t first_frame;
  76   uint32_t last_frame;
  77   nstime_t begin_time;  /**< time of arrival of TC_BEGIN */
  78   nstime_t end_time;    /**< time of closing message */
  79   bool responded;       /**< true, if request has been responded */
  80   bool closed;
  81   bool upper_dissector;
  82   bool oid_present;
  83   char oid[LENGTH_OID+1];
  84   bool subdissector_present;
  85   dissector_handle_t subdissector_handle;
  86   void (* callback) (tvbuff_t *,packet_info *, proto_tree *, struct tcaphash_context_t *);
  87   struct tcaphash_begincall_t * begincall;
  88   struct tcaphash_contcall_t * contcall;
  89   struct tcaphash_endcall_t * endcall;
  90   struct tcaphash_ansicall_t * ansicall;
  91 };
  92
  93 struct tcaphash_begincall_t {
  94   struct tcaphash_begin_info_key_t * beginkey;
  95   struct tcaphash_context_t * context;
  96   bool father;
  97   struct tcaphash_begincall_t * next_begincall;
  98   struct tcaphash_begincall_t * previous_begincall;
  99 };
 100
 101 struct tcaphash_contcall_t {
 102   struct tcaphash_cont_info_key_t * contkey;
 103   struct tcaphash_context_t * context;
 104   bool father;
 105   struct tcaphash_contcall_t * next_contcall;
 106   struct tcaphash_contcall_t * previous_contcall;
 107 };
 108
 109 struct tcaphash_endcall_t {
 110   struct tcaphash_end_info_key_t * endkey;
 111   struct tcaphash_context_t * context;
 112   bool father;
 113   struct tcaphash_endcall_t * next_endcall;
 114   struct tcaphash_endcall_t * previous_endcall;
 115 };
 116
 117 struct tcaphash_ansicall_t {
 118   struct tcaphash_ansi_info_key_t * ansikey;
 119   struct tcaphash_context_t * context;
 120   bool father;
 121   struct tcaphash_ansicall_t * next_ansicall;
 122   struct tcaphash_ansicall_t * previous_ansicall;
 123 };
 124
 125 /** The Key for the hash table is the TCAP origine transaction identifier
 126    of the TC_BEGIN containing the InitialDP */
 127
 128 struct tcaphash_context_key_t {
 129   uint32_t session_id;
 130 };
 131
 132 struct tcaphash_begin_info_key_t {
 133   uint32_t hashKey;
 134   uint32_t tid;
 135   uint32_t pc_hash;
 136 };
 137
 138 struct tcaphash_cont_info_key_t {
 139   uint32_t hashKey;
 140   uint32_t src_tid;
 141   uint32_t dst_tid;
 142   uint32_t opc_hash;
 143   uint32_t dpc_hash;
 144 };
 145
 146 struct tcaphash_end_info_key_t {
 147   uint32_t hashKey;
 148   uint32_t tid;
 149   uint32_t opc_hash;
 150   uint32_t dpc_hash;
 151 };
 152
 153 struct tcaphash_ansi_info_key_t {
 154   uint32_t hashKey;
 155   uint32_t tid;
 156   uint32_t opc_hash;
 157   uint32_t dpc_hash;
 158 };
 159
 160
 161 /** List of infos to store for the analyse */
 162 struct tcapsrt_info_t {
 163   uint32_t tcap_session_id;
 164   uint32_t src_tid;
 165   uint32_t dst_tid;
 166   uint8_t ope;
 167 };
 168
 169 /**
 170  * Initialize the Message Info used by the main dissector
 171  * Data are linked to a TCAP transaction
 172  */
 173 struct tcapsrt_info_t * tcapsrt_razinfo(void);
 174
 175 void tcapsrt_close(struct tcaphash_context_t * p_tcaphash_context,
 176                    packet_info * pinfo _U_);
 177
 178 /**
 179  * Service Response Time analyze
 180  * Called just after dissector call
 181  * Associate a TCAP context to a tcap session and display session related infomations
 182  * like the first frame, the last, the session duration,
 183  * and a uniq session identifier for the filtering
 184  *
 185  * For ETSI tcap, the TCAP context can be reached through three keys
 186  * - a key (BEGIN) identifying the session according to the tcap source identifier
 187  * - a key (CONT) identifying the established session (src_id and dst_id)
 188  * - a key (END) identifying the session according to the tcap destination identifier
 189  *
 190  * For ANSI tcap, the TCAP context is reached through a uniq key
 191  * - a key (ANSI) identifying the session according to the tcap identifier
 192 */
 193 struct tcaphash_context_t * tcapsrt_call_matching(tvbuff_t *tvb,
 194                                                   packet_info * pinfo _U_,
 195                                                   proto_tree *tree,
 196                                                   struct tcapsrt_info_t * p_tcap_info);
 197
 198 WS_DLL_PUBLIC bool gtcap_StatSRT;
 199
 200 extern int tcap_standard;
 201
 202 extern const value_string tcap_component_type_str[];
 203 void proto_reg_handoff_tcap(void);
 204 void proto_register_tcap(void);
 205
 206 extern dissector_handle_t get_itu_tcap_subdissector(uint32_t ssn);
 207 dissector_handle_t get_ansi_tcap_subdissector(uint32_t ssn);
 208
 209 extern void add_ansi_tcap_subdissector(uint32_t ssn, dissector_handle_t dissector);
 210 WS_DLL_PUBLIC void add_itu_tcap_subdissector(uint32_t ssn, dissector_handle_t dissector);
 211
 212 extern void delete_ansi_tcap_subdissector(uint32_t ssn, dissector_handle_t dissector);
 213 WS_DLL_PUBLIC void delete_itu_tcap_subdissector(uint32_t ssn, dissector_handle_t dissector);
 214
 215 extern void call_tcap_dissector(dissector_handle_t, tvbuff_t*, packet_info*, proto_tree*);
 216
 217 extern const value_string tcap_UniDialoguePDU_vals[];
 218 extern const value_string tcap_DialoguePDU_vals[];
 219 int dissect_tcap_UniDialoguePDU(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_);
 220 int dissect_tcap_DialoguePDU(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_);
 221
 222 #endif  /* PACKET_tcap_H */