diff options
Diffstat (limited to 'epan/dissectors/packet-sccp.c')
| -rw-r--r-- | epan/dissectors/packet-sccp.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/epan/dissectors/packet-sccp.c b/epan/dissectors/packet-sccp.c index 80ca6c29f9..40a4db1f49 100644 --- a/epan/dissectors/packet-sccp.c +++ b/epan/dissectors/packet-sccp.c @@ -46,6 +46,8 @@ #include <epan/expert.h> #include <epan/tap.h> #include <epan/to_str.h> +#include <epan/decode_as.h> +#include <epan/proto_data.h> #include <wiretap/wtap.h> #include <wsutil/str_util.h> #include "packet-mtp3.h" @@ -826,6 +828,18 @@ static const value_string assoc_protos[] = { return FALSE; \ } while (0) + +static void sccp_prompt(packet_info *pinfo _U_, gchar* result) +{ + g_snprintf(result, MAX_DECODE_AS_PROMPT_LEN, "Dissect SSN %d as", + GPOINTER_TO_UINT(p_get_proto_data(pinfo->pool, pinfo, proto_sccp, 0))); +} + +static gpointer sccp_value(packet_info *pinfo) +{ + return p_get_proto_data(pinfo->pool, pinfo, proto_sccp, 0); +} + static gboolean sccp_called_calling_looks_valid(guint32 frame_num _U_, tvbuff_t *tvb, guint8 my_mtp3_standard, gboolean is_co) { @@ -2346,6 +2360,9 @@ dissect_sccp_data_param(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, scc } + /* Save SSN for Decode As */ + p_add_proto_data(pinfo->pool, pinfo, proto_sccp, 0, GUINT_TO_POINTER((guint)ssn)); + if ((ssn != INVALID_SSN) && dissector_try_uint_new(sccp_ssn_dissector_table, ssn, tvb, pinfo, tree, TRUE, sccp_info)) { return; } @@ -4059,6 +4076,12 @@ proto_register_sccp(void) { &ei_sccp_gt_digits_missing, { "sccp.gt_digits_missing", PI_MALFORMED, PI_ERROR, "Address digits missing", EXPFILL }}, }; + /* Decode As handling */ + static build_valid_func sccp_da_build_value[1] = {sccp_value}; + static decode_as_value_t sccp_da_values = {sccp_prompt, 1, sccp_da_build_value}; + static decode_as_t sccp_da = {"sccp", "SCCP SSN", "sccp.ssn", 1, 0, &sccp_da_values, NULL, NULL, + decode_as_default_populate_list, decode_as_default_reset, decode_as_default_change, NULL}; + module_t *sccp_module; expert_module_t* expert_sccp; @@ -4079,8 +4102,7 @@ proto_register_sccp(void) NULL, users_flds ); /* Register the protocol name and description */ - proto_sccp = proto_register_protocol("Signalling Connection Control Part", - "SCCP", "sccp"); + proto_sccp = proto_register_protocol("Signalling Connection Control Part", "SCCP", "sccp"); register_dissector("sccp", dissect_sccp, proto_sccp); @@ -4142,6 +4164,7 @@ proto_register_sccp(void) sccp_tap = register_tap("sccp"); + register_decode_as(&sccp_da); } void |