From Holger Freyther:

packet-gsm_ipa.c: Decode MGCP that is encapsulated inside the stream.
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5068

git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@33767 f5534014-38df-0310-8fa8-9805f1628bb7

diff --git a/epan/dissectors/packet-gsm_ipa.c b/epan/dissectors/packet-gsm_ipa.c
index 11b80502c57a317dd4ae481eabdb8804449e5543..223545e5d4268f529f2b309c65ee91975c028b8a 100644 (file)
--- a/epan/dissectors/packet-gsm_ipa.c
+++ b/epan/dissectors/packet-gsm_ipa.c
@@ -52,6 +52,7 @@ enum {
        SUB_OML,
        SUB_RSL,
        SUB_SCCP,
+       SUB_MGCP,
 /*     SUB_IPACCESS, */
 
        SUB_MAX
@@ -65,12 +66,14 @@ static dissector_handle_t sub_handles[SUB_MAX];
 #define TCP_PORT_AIP_PRIM       5000
 
 #define ABISIP_RSL_MAX 0x20
+#define IPA_MGCP       0xfc
 #define AIP_SCCP       0xfd
 #define ABISIP_IPACCESS        0xfe
 #define ABISIP_OML     0xff
 
 static const value_string ipa_protocol_vals[] = {
        { 0x00,         "RSL" },
+       { 0xfc,         "MGCP" },
        { 0xfd,         "SCCP" },
        { 0xfe,         "IPA" },
        { 0xff,         "OML" },
@@ -231,6 +234,10 @@ dissect_ipa(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
                        /* hand this off to the standard SCCP dissector */
                        call_dissector(sub_handles[SUB_SCCP], next_tvb, pinfo, tree);
                        break;
+               case IPA_MGCP:
+                       /* hand this off to the standard MGCP dissector */
+                       call_dissector(sub_handles[SUB_MGCP], next_tvb, pinfo, tree);
+                       break;
                default:
                        if (msg_type < ABISIP_RSL_MAX) {
                                /* hand this off to the standard A-bis RSL dissector */
@@ -300,6 +307,7 @@ void proto_reg_handoff_gsm_ipa(void)
        sub_handles[SUB_RSL] = find_dissector("gsm_abis_rsl");
        sub_handles[SUB_OML] = find_dissector("gsm_abis_oml");
        sub_handles[SUB_SCCP] = find_dissector("sccp");
+       sub_handles[SUB_MGCP] = find_dissector("mgcp");
 
        ipa_handle = create_dissector_handle(dissect_ipa, proto_ipa);
        dissector_add("tcp.port", TCP_PORT_ABISIP_PRIM, ipa_handle);