epan/dissectors/packet-dvb-ipdc.c

   1 /* packet-dvb-ipdc.c
   2  * Routines for ETSI IP Datacast ESG Bootstrap parsing
   3  * Copyright 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
   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 #include "config.h"
  13
  14 #include <epan/packet.h>
  15
  16 void proto_register_dvb_ipdc(void);
  17 void proto_reg_handoff_dvb_ipdc(void);
  18
  19 /* Initialize the protocol and registered fields */
  20 static int proto_ipdc;
  21
  22 /* static int hf_ipdc_esg_bootstrap_xml; */
  23
  24 /* Initialize the subtree pointers */
  25 static int ett_ipdc;
  26
  27
  28 enum {
  29     DVB_IPDC_SUB_FLUTE,
  30     DVB_IPDC_SUB_MAX
  31 };
  32
  33 static dissector_handle_t ipdc_handle;
  34
  35 static dissector_handle_t sub_handles[DVB_IPDC_SUB_MAX];
  36
  37 #define UDP_PORT_IPDC_ESG_BOOTSTRAP 9214
  38
  39
  40 /* Code to actually dissect the packets */
  41 static int
  42 dissect_ipdc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
  43 {
  44     tvbuff_t   *next_tvb;
  45     proto_tree *esg_tree = NULL;
  46
  47     col_set_str(pinfo->cinfo, COL_PROTOCOL, "IPDC");
  48     col_clear(pinfo->cinfo, COL_INFO);
  49
  50     /* call into flute */
  51     if (tree) {
  52         proto_item *ti;
  53
  54         ti = proto_tree_add_protocol_format(tree, proto_ipdc, tvb, 0, -1,
  55                                             "ESG Bootstrap");
  56         esg_tree = proto_item_add_subtree(ti, ett_ipdc);
  57     }
  58
  59     next_tvb = tvb_new_subset_remaining(tvb, 0);
  60     call_dissector(sub_handles[DVB_IPDC_SUB_FLUTE], next_tvb, pinfo, esg_tree);
  61     return tvb_captured_length(tvb);
  62 }
  63
  64 void
  65 proto_register_dvb_ipdc(void)
  66 {
  67 #if 0
  68     static hf_register_info hf[] = {
  69         {&hf_ipdc_esg_bootstrap_xml,
  70          {"ESG Provider Discovery", "dvb_ipdc.bootstrap",
  71           FT_STRING, BASE_NONE, NULL, 0x0, "List of ESG Providers", HFILL}}
  72     };
  73 #endif
  74
  75     static int *ett[] = {
  76         &ett_ipdc,
  77     };
  78
  79     proto_ipdc = proto_register_protocol("ETSI IPDC Bootstrap",
  80                                          "ESG Bootstrap", "dvb_ipdc");
  81 #if 0
  82     proto_register_field_array(proto_ipdc, hf, array_length(hf));
  83 #endif
  84     proto_register_subtree_array(ett, array_length(ett));
  85
  86     ipdc_handle = register_dissector("dvb_ipdc", dissect_ipdc, proto_ipdc);
  87 }
  88
  89 void
  90 proto_reg_handoff_dvb_ipdc(void)
  91 {
  92     sub_handles[DVB_IPDC_SUB_FLUTE] = find_dissector_add_dependency("alc", proto_ipdc);
  93
  94     dissector_add_uint_with_preference("udp.port", UDP_PORT_IPDC_ESG_BOOTSTRAP, ipdc_handle);
  95 }
  96
  97 /*
  98  * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
  99  *
 100  * Local variables:
 101  * c-basic-offset: 4
 102  * tab-width: 8
 103  * indent-tabs-mode: nil
 104  * End:
 105  *
 106  * vi: set shiftwidth=4 tabstop=8 expandtab:
 107  * :indentSize=4:tabSize=8:noTabs=true:
 108  */
 109