epan/dissectors/asn1/gdt/packet-gdt-template.c

   1 /* packet-gdt-template.c
   2  *
   3  * Copyright 2022, Damir Franusic <damir.franusic@gmail.com>
   4  *
   5  * Wireshark - Network traffic analyzer
   6  * By Gerald Combs <gerald@wireshark.org>
   7  * Copyright 1998 Gerald Combs
   8  *
   9  * SPDX-License-Identifier: GPL-2.0-or-later
  10  */
  11
  12
  13 # include "config.h"
  14
  15 #include <epan/packet.h>
  16 #include <epan/sctpppids.h>
  17 #include <wsutil/array.h>
  18
  19 #include "packet-ber.h"
  20 #include "packet-gdt.h"
  21
  22 #define PNAME  "Generic Data Transfer Protocol"
  23 #define PSNAME "GDT"
  24 #define PFNAME "gdt"
  25
  26 /* Initialize the protocol and registered fields */
  27 static int proto_gdt;
  28 static dissector_handle_t gdt_handle;
  29
  30 #include "packet-gdt-hf.c"
  31
  32 /* Initialize the subtree pointers */
  33 static int ett_gdt;
  34 #include "packet-gdt-ett.c"
  35
  36 #include "packet-gdt-fn.c"
  37
  38 static int dissect_gdt(tvbuff_t *tvb,
  39                        packet_info *pinfo,
  40                        proto_tree *tree,
  41                        void *data _U_) {
  42     proto_item *gdt_item = NULL;
  43     proto_tree *gdt_tree = NULL;
  44
  45     /* make entry in the Protocol column on summary display */
  46     col_set_str(pinfo->cinfo, COL_PROTOCOL, PNAME);
  47
  48     /* create the gdt protocol tree */
  49     if (tree) {
  50         gdt_item = proto_tree_add_item(tree, proto_gdt, tvb, 0, -1, ENC_NA);
  51         gdt_tree = proto_item_add_subtree(gdt_item, ett_gdt);
  52         dissect_GDTMessage_PDU(tvb, pinfo, gdt_tree, 0);
  53     }
  54     return tvb_captured_length(tvb);
  55 }
  56
  57 /*--- proto_register_gdt ----------------------------------------------*/
  58 void proto_register_gdt(void) {
  59     /* List of fields */
  60     static hf_register_info hf[] = {
  61 #include "packet-gdt-hfarr.c"
  62     };
  63
  64     /* List of subtrees */
  65     static int *ett[] = {
  66         &ett_gdt,
  67 #include "packet-gdt-ettarr.c"
  68     };
  69
  70     /* Register protocol */
  71     proto_gdt = proto_register_protocol(PNAME, PSNAME, PFNAME);
  72
  73     /* Register fields and subtrees */
  74     proto_register_field_array(proto_gdt, hf, array_length(hf));
  75     proto_register_subtree_array(ett, array_length(ett));
  76
  77     /* Register dissector */
  78     gdt_handle = register_dissector("gdt", dissect_gdt, proto_gdt);
  79 }
  80
  81 /*--- proto_reg_handoff_gdt -------------------------------------------*/
  82 void proto_reg_handoff_gdt(void) {
  83     static bool initialized = false;
  84
  85     if (!initialized) {
  86         dissector_add_for_decode_as("sctp.ppi", gdt_handle);
  87         dissector_add_uint("sctp.ppi", GDT_PROTOCOL_ID, gdt_handle);
  88         initialized = true;
  89     }
  90 }