*
* $Id$
*
- * Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@ethereal.com>
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* to hack it by hand, but it is incomplete and buggy and it is good when
* it will go away."
* Ronnie did a great job and all the VoIP users had made good use of it!
- * Credit to Tomas Kukosa for developing the Asn2eth compiler.
+ * Credit to Tomas Kukosa for developing the asn2wrs compiler.
*
*/
#include <glib.h>
#include <epan/packet.h>
#include <epan/conversation.h>
+#include <epan/strutil.h>
#include <stdio.h>
#include <string.h>
#include <epan/prefs.h>
+#include <epan/t35.h>
+#include <epan/emem.h>
+#include <epan/oids.h>
+#include <epan/asn1.h>
#include "tap.h"
-#include "packet-h245.h"
#include "packet-tpkt.h"
#include "packet-per.h"
-#include <epan/t35.h>
+#include "packet-h323.h"
+#include "packet-h245.h"
#include "packet-rtp.h"
#include "packet-rtcp.h"
-#include "packet-ber.h"
+#include "packet-t38.h"
-#define PNAME "h245"
-#define PSNAME "h245"
+#define PNAME "MULTIMEDIA-SYSTEM-CONTROL"
+#define PSNAME "H.245"
#define PFNAME "h245"
static dissector_handle_t rtp_handle=NULL;
static dissector_handle_t rtcp_handle=NULL;
+static dissector_handle_t t38_handle=NULL;
static dissector_table_t nsp_object_dissector_table;
static dissector_table_t nsp_h221_dissector_table;
+static dissector_table_t gef_name_dissector_table;
+static dissector_table_t gef_content_dissector_table;
static dissector_handle_t nsp_handle;
static dissector_handle_t data_handle;
static dissector_handle_t h245_handle;
static dissector_handle_t MultimediaSystemControlMessage_handle;
+static dissector_handle_t h263_handle = NULL;
+static dissector_handle_t amr_handle = NULL;
-static void reset_h245_packet_info(h245_packet_info *pi);
+static void init_h245_packet_info(h245_packet_info *pi);
static int hf_h245_pdu_type = -1;
static int hf_h245Manufacturer = -1;
static int h245_tap = -1;
-static int ett_h245 = -1;
static int h245dg_tap = -1;
-static h245_packet_info pi_arr[5]; /* We assuming a maximum of 5 H245 messaages per packet */
-static int pi_current=0;
h245_packet_info *h245_pi=NULL;
static gboolean h245_reassembly = TRUE;
static gboolean h245_shorttypes = FALSE;
+
+#include "packet-h245-val.h"
+
static const value_string h245_RequestMessage_short_vals[] = {
- { 0, "NSM" },
- { 1, "MSD" },
- { 2, "TCS" },
- { 3, "OLC" },
- { 4, "CLC" },
- { 5, "RCC" },
- { 6, "MES" },
- { 7, "RME" },
- { 8, "RM" },
- { 9, "RTDR" },
- { 10, "MLR" },
- { 11, "CMR" },
- { 12, "CR" },
- { 13, "MR" },
- { 14, "LCRR" },
- { 15, "GR" },
+ { RequestMessage_nonStandard , "NSM" },
+ { RequestMessage_masterSlaveDetermination , "MSD" },
+ { RequestMessage_terminalCapabilitySet , "TCS" },
+ { RequestMessage_openLogicalChannel , "OLC" },
+ { RequestMessage_closeLogicalChannel , "CLC" },
+ { RequestMessage_requestChannelClose , "RCC" },
+ { RequestMessage_multiplexEntrySend , "MES" },
+ { RequestMessage_requestMultiplexEntry , "RME" },
+ { RequestMessage_requestMode , "RM" },
+ { RequestMessage_roundTripDelayRequest , "RTDR" },
+ { RequestMessage_maintenanceLoopRequest , "MLR" },
+ { RequestMessage_communicationModeRequest , "CMR" },
+ { RequestMessage_conferenceRequest , "CR" },
+ { RequestMessage_multilinkRequest , "MR" },
+ { RequestMessage_logicalChannelRateRequest, "LCRR" },
+ { RequestMessage_genericRequest , "GR" },
{ 0, NULL }
};
static const value_string h245_ResponseMessage_short_vals[] = {
- { 0, "NSM" },
- { 1, "MSDAck" },
- { 2, "MSDReject" },
- { 3, "TCSAck" },
- { 4, "TCSReject" },
- { 5, "OLCAck" },
- { 6, "OLCReject" },
- { 7, "CLCAck" },
- { 8, "RCCAck" },
- { 9, "RCCReject" },
- { 10, "MESAck" },
- { 11, "MESReject" },
- { 12, "RMEAck" },
- { 13, "RMEReject" },
- { 14, "RMAck" },
- { 15, "RMReject" },
- { 16, "RTDResponse" },
- { 17, "MLAck" },
- { 18, "MLReject" },
- { 19, "CMResponse" },
- { 20, "CResponse" },
- { 21, "MResponse" },
- { 22, "LCRAck" },
- { 23, "LCRReject" },
- { 24, "GR" },
+ { ResponseMessage_nonStandard , "NSM" },
+ { ResponseMessage_masterSlaveDeterminationAck , "MSDAck" },
+ { ResponseMessage_masterSlaveDeterminationReject, "MSDReject" },
+ { ResponseMessage_terminalCapabilitySetAck , "TCSAck" },
+ { ResponseMessage_terminalCapabilitySetReject , "TCSReject" },
+ { ResponseMessage_openLogicalChannelAck , "OLCAck" },
+ { ResponseMessage_openLogicalChannelReject , "OLCReject" },
+ { ResponseMessage_closeLogicalChannelAck , "CLCAck" },
+ { ResponseMessage_requestChannelCloseAck , "RCCAck" },
+ { ResponseMessage_requestChannelCloseReject , "RCCReject" },
+ { ResponseMessage_multiplexEntrySendAck , "MESAck" },
+ { ResponseMessage_multiplexEntrySendReject , "MESReject" },
+ { ResponseMessage_requestMultiplexEntryAck , "RMEAck" },
+ { ResponseMessage_requestMultiplexEntryReject , "RMEReject" },
+ { ResponseMessage_requestModeAck , "RMAck" },
+ { ResponseMessage_requestModeReject , "RMReject" },
+ { ResponseMessage_roundTripDelayResponse , "RTDResponse" },
+ { ResponseMessage_maintenanceLoopAck , "MLAck" },
+ { ResponseMessage_maintenanceLoopReject , "MLReject" },
+ { ResponseMessage_communicationModeResponse , "CMResponse" },
+ { ResponseMessage_conferenceResponse , "CResponse" },
+ { ResponseMessage_multilinkResponse , "MResponse" },
+ { ResponseMessage_logicalChannelRateAcknowledge , "LCRAck" },
+ { ResponseMessage_logicalChannelRateReject , "LCRReject" },
+ { ResponseMessage_genericResponse , "GR" },
{ 0, NULL }
};
static const value_string h245_IndicationMessage_short_vals[] = {
- { 0, "NSM" },
- { 1, "FNU" },
- { 2, "MSDRelease" },
- { 3, "TCSRelease" },
- { 4, "OLCConfirm" },
- { 5, "RCCRelease" },
- { 6, "MESRelease" },
- { 7, "RMERelease" },
- { 8, "RMRelease" },
- { 9, "MI" },
- { 10, "JI" },
- { 11, "H223SI" },
- { 12, "NATMVCI" },
- { 13, "UII" },
- { 14, "H2250MSI" },
- { 15, "MCLI" },
- { 16, "CI" },
- { 17, "VI" },
- { 18, "FNS" },
- { 19, "MultilinkIndication" },
- { 20, "LCRRelease" },
- { 21, "FCIndication" },
- { 22, "MMRI" },
- { 22, "GI" },
+ { IndicationMessage_nonStandard , "NSM" },
+ { IndicationMessage_functionNotUnderstood , "FNU" },
+ { IndicationMessage_masterSlaveDeterminationRelease , "MSDRelease" },
+ { IndicationMessage_terminalCapabilitySetRelease , "TCSRelease" },
+ { IndicationMessage_openLogicalChannelConfirm , "OLCConfirm" },
+ { IndicationMessage_requestChannelCloseRelease , "RCCRelease" },
+ { IndicationMessage_multiplexEntrySendRelease , "MESRelease" },
+ { IndicationMessage_requestMultiplexEntryRelease , "RMERelease" },
+ { IndicationMessage_requestModeRelease , "RMRelease" },
+ { IndicationMessage_miscellaneousIndication , "MI" },
+ { IndicationMessage_jitterIndication , "JI" },
+ { IndicationMessage_h223SkewIndication , "H223SI" },
+ { IndicationMessage_newATMVCIndication , "NATMVCI" },
+ { IndicationMessage_userInput , "UII" },
+ { IndicationMessage_h2250MaximumSkewIndication , "H2250MSI" },
+ { IndicationMessage_mcLocationIndication , "MCLI" },
+ { IndicationMessage_conferenceIndication , "CI" },
+ { IndicationMessage_vendorIdentification , "VI" },
+ { IndicationMessage_functionNotSupported , "FNS" },
+ { IndicationMessage_multilinkIndication , "MultilinkIndication" },
+ { IndicationMessage_logicalChannelRateRelease , "LCRRelease" },
+ { IndicationMessage_flowControlIndication , "FCIndication" },
+ { IndicationMessage_mobileMultilinkReconfigurationIndication, "MMRI" },
+ { IndicationMessage_genericIndication , "GI" },
{ 0, NULL }
};
static const value_string h245_CommandMessage_short_vals[] = {
- { 0, "NSM" },
- { 1, "MLOC" },
- { 2, "STCS" },
- { 3, "EC" },
- { 4, "FCC" },
- { 5, "ESC" },
- { 6, "MC" },
- { 7, "CMC" },
- { 8, "CC" },
- { 9, "H223MR" },
- { 10, "NATMVCC" },
- { 11, "MMRC" },
- { 12, "GC" },
+ { CommandMessage_nonStandard , "NSM" },
+ { CommandMessage_maintenanceLoopOffCommand , "MLOC" },
+ { CommandMessage_sendTerminalCapabilitySet , "STCS" },
+ { CommandMessage_encryptionCommand , "EC" },
+ { CommandMessage_flowControlCommand , "FCC" },
+ { CommandMessage_endSessionCommand , "ESC" },
+ { CommandMessage_miscellaneousCommand , "MC" },
+ { CommandMessage_communicationModeCommand , "CMC" },
+ { CommandMessage_conferenceCommand , "CC" },
+ { CommandMessage_h223MultiplexReconfiguration , "H223MR" },
+ { CommandMessage_newATMVCCommand , "NATMVCC" },
+ { CommandMessage_mobileMultilinkReconfigurationCommand, "MMRC" },
+ { CommandMessage_genericCommand , "GC" },
{ 0, NULL }
};
+
static const value_string h245_AudioCapability_short_vals[] = {
- { 0, "nonStd" },
- { 1, "g711A" },
- { 2, "g711A56k" },
- { 3, "g711U" },
- { 4, "g711U56k" },
- { 5, "g722-64k" },
- { 6, "g722-56k" },
- { 7, "g722-48k" },
- { 8, "g7231" },
- { 9, "g728" },
- { 10, "g729" },
- { 11, "g729A" },
- { 12, "is11172" },
- { 13, "is13818" },
- { 14, "g729B" },
- { 15, "g729AB" },
- { 16, "g7231C" },
- { 17, "gsmFR" },
- { 18, "gsmHR" },
- { 19, "gsmEFR" },
- { 20, "generic" },
- { 21, "g729Ext" },
- { 22, "vbd" },
- { 23, "audioTelEvent" },
- { 24, "audioTone" },
- { 0, NULL }
+ { AudioCapability_nonStandard , "nonStd" },
+ { AudioCapability_g711Alaw64k , "g711A" },
+ { AudioCapability_g711Alaw56k , "g711A56k" },
+ { AudioCapability_g711Ulaw64k , "g711U" },
+ { AudioCapability_g711Ulaw56k , "g711U56k" },
+ { AudioCapability_g722_64k , "g722-64k" },
+ { AudioCapability_g722_56k , "g722-56k" },
+ { AudioCapability_g722_48k , "g722-48k" },
+ { AudioCapability_g7231 , "g7231" },
+ { AudioCapability_g728 , "g728" },
+ { AudioCapability_g729 , "g729" },
+ { AudioCapability_g729AnnexA , "g729A" },
+ { AudioCapability_is11172AudioCapability, "is11172" },
+ { AudioCapability_is13818AudioCapability, "is13818" },
+ { AudioCapability_g729wAnnexB , "g729B" },
+ { AudioCapability_g729AnnexAwAnnexB , "g729AB" },
+ { AudioCapability_g7231AnnexCCapability , "g7231C" },
+ { AudioCapability_gsmFullRate , "gsmFR" },
+ { AudioCapability_gsmHalfRate , "gsmHR" },
+ { AudioCapability_gsmEnhancedFullRate , "gsmEFR" },
+ { AudioCapability_genericAudioCapability, "generic" },
+ { AudioCapability_g729Extensions , "g729Ext" },
+ { AudioCapability_vbd , "vbd" },
+ { AudioCapability_audioTelephonyEvent , "audioTelEvent" },
+ { AudioCapability_audioTone , "audioTone" },
+ { 0, NULL }
};
/* To put the codec type only in COL_INFO when
an OLC is read */
-
const char* codec_type = NULL;
-static char standard_oid_str[MAX_OID_STR_LEN];
-static guint32 ipv4_address;
-static guint32 ipv4_port;
-static guint32 rtcp_ipv4_address;
-static guint32 rtcp_ipv4_port;
-static gboolean media_channel;
-static gboolean media_control_channel;
+static guint32 rfc_number;
+
+typedef struct _unicast_addr_t {
+ address addr;
+ guint8 addr_buf[16];
+ guint32 port;
+} unicast_addr_t;
+
+typedef struct _channel_info_t {
+ gchar data_type_str[32];
+ unicast_addr_t *upcoming_addr;
+ unicast_addr_t media_addr;
+ unicast_addr_t media_control_addr;
+ unsigned int rfc2198;
+ gboolean srtp_flag;
+} channel_info_t;
+
+typedef struct _olc_info_t {
+ guint16 fwd_lc_num;
+ channel_info_t fwd_lc;
+ channel_info_t rev_lc;
+} olc_info_t;
+
+static GHashTable* h245_pending_olc_reqs = NULL;
+static gboolean fast_start = FALSE;
+static olc_info_t *upcoming_olc = NULL;
+static channel_info_t *upcoming_channel = NULL;
/* NonStandardParameter */
-static char nsiOID[MAX_OID_STR_LEN];
+static const char *nsiOID;
static guint32 h221NonStandard;
static guint32 t35CountryCode;
static guint32 t35Extension;
static const value_string h245_RFC_number_vals[] = {
{ 2190, "RFC 2190 - H.263 Video Streams" },
+ { 2198, "RFC 2198 - RTP Payload for Redundant Audio Data" },
{ 2429, "RFC 2429 - 1998 Version of ITU-T Rec. H.263 Video (H.263+)" },
+ { 3016, "RFC 3016 - RTP Payload Format for MPEG-4 Audio/Visual Streams" },
{ 3267, "RFC 3267 - Adaptive Multi-Rate (AMR) and Adaptive Multi-Rate Wideband (AMR-WB)" },
{ 0, NULL }
};
+
+/* h223 multiplex codes */
+static h223_set_mc_handle_t h223_set_mc_handle = NULL;
+h223_mux_element *h223_me=NULL;
+guint8 h223_mc=0;
+void h245_set_h223_set_mc_handle( h223_set_mc_handle_t handle )
+{
+ h223_set_mc_handle = handle;
+}
+
+/* h223 logical channels */
+typedef struct {
+ h223_lc_params *fw_channel_params;
+ h223_lc_params *rev_channel_params;
+} h223_pending_olc;
+
+static GHashTable* h223_pending_olc_reqs[] = { NULL, NULL };
+static dissector_handle_t h245_lc_dissector;
+static guint16 h245_lc_temp;
+static guint16 h223_fw_lc_num;
+static guint16 h223_rev_lc_num;
+static h223_lc_params *h223_lc_params_temp;
+static h223_lc_params *h223_fw_lc_params;
+static h223_lc_params *h223_rev_lc_params;
+static h223_add_lc_handle_t h223_add_lc_handle = NULL;
+
+static void h223_lc_init_dir( int dir )
+{
+ if ( h223_pending_olc_reqs[dir] )
+ g_hash_table_destroy( h223_pending_olc_reqs[dir] );
+ h223_pending_olc_reqs[dir] = g_hash_table_new( g_direct_hash, g_direct_equal );
+}
+
+static void h223_lc_init( void )
+{
+ h223_lc_init_dir( P2P_DIR_SENT );
+ h223_lc_init_dir( P2P_DIR_RECV );
+ h223_lc_params_temp = NULL;
+ h245_lc_dissector = NULL;
+ h223_fw_lc_num = 0;
+}
+
+static void h245_init(void)
+{
+ if ( h245_pending_olc_reqs)
+ g_hash_table_destroy(h245_pending_olc_reqs);
+ h245_pending_olc_reqs = g_hash_table_new(g_str_hash, g_str_equal);
+
+ h223_lc_init();
+}
+
+void h245_set_h223_add_lc_handle( h223_add_lc_handle_t handle )
+{
+ h223_add_lc_handle = handle;
+}
+
+static const gchar *gen_olc_key(guint16 lc_num, address *dst_addr, address *src_addr)
+{
+ return ep_strdup_printf("%s/%s/%u", address_to_str(dst_addr), address_to_str(src_addr), lc_num);
+}
+
+static void update_unicast_addr(unicast_addr_t *req_addr, unicast_addr_t *ack_addr)
+{
+ if (ack_addr->addr.type!=AT_NONE && ack_addr->port!=0) {
+ memcpy(req_addr->addr_buf, ack_addr->addr_buf, sizeof(req_addr->addr_buf));
+ SET_ADDRESS(&req_addr->addr, ack_addr->addr.type, ack_addr->addr.len, req_addr->addr_buf);
+ req_addr->port = ack_addr->port;
+ }
+}
+
+static void h245_setup_channels(packet_info *pinfo, channel_info_t *upcoming_channel)
+{
+ gint *key;
+ GHashTable *rtp_dyn_payload = NULL;
+ struct srtp_info *dummy_srtp_info = NULL;
+
+ if (!upcoming_channel) return;
+
+ /* T.38 */
+ if (!strcmp(upcoming_channel->data_type_str, "t38fax")) {
+ if (upcoming_channel->media_addr.addr.type!=AT_NONE && upcoming_channel->media_addr.port!=0 && t38_handle) {
+ t38_add_address(pinfo, &upcoming_channel->media_addr.addr,
+ upcoming_channel->media_addr.port, 0,
+ "H245", pinfo->fd->num);
+ }
+ return;
+ }
+
+ /* (S)RTP, (S)RTCP */
+ if (upcoming_channel->rfc2198 > 0) {
+ rtp_dyn_payload = g_hash_table_new_full(g_int_hash, g_int_equal, g_free, g_free);
+ key = g_malloc(sizeof(gint));
+ *key = upcoming_channel->rfc2198;
+ g_hash_table_insert(rtp_dyn_payload, key, g_strdup("red"));
+ }
+
+ if (upcoming_channel->srtp_flag) {
+ struct srtp_info *dummy_srtp_info = se_alloc0(sizeof(struct srtp_info));
+ }
+ if (upcoming_channel->media_addr.addr.type!=AT_NONE && upcoming_channel->media_addr.port!=0 && rtp_handle) {
+ srtp_add_address(pinfo, &upcoming_channel->media_addr.addr,
+ upcoming_channel->media_addr.port, 0,
+ "H245", pinfo->fd->num, rtp_dyn_payload, dummy_srtp_info);
+ }
+ if (upcoming_channel->media_control_addr.addr.type!=AT_NONE && upcoming_channel->media_control_addr.port!=0 && rtcp_handle) {
+ srtcp_add_address(pinfo, &upcoming_channel->media_control_addr.addr,
+ upcoming_channel->media_control_addr.port, 0,
+ "H245", pinfo->fd->num, dummy_srtp_info);
+ }
+}
+
/* Initialize the protocol and registered fields */
int proto_h245 = -1;
#include "packet-h245-hf.c"
/* Initialize the subtree pointers */
+static int ett_h245 = -1;
+static int ett_h245_returnedFunction = -1;
#include "packet-h245-ett.c"
+/* Forward declarations */
+static int dissect_h245_MultimediaSystemControlMessage(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_);
+static void reset_h245_pi(void *dummy _U_)
+{
+ h245_pi = NULL; /* Make sure we don't leave ep_alloc()ated memory lying around */
+}
+
#include "packet-h245-fn.c"
static void
dissect_h245(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
{
- pi_current++;
- if(pi_current==5){
- pi_current=0;
- }
- h245_pi=&pi_arr[pi_current];
-
- reset_h245_packet_info(h245_pi);
- h245_pi->msg_type = H245_OTHER;
-
+ /*
+ * MultimediaSystemControlMessage_handle is the handle for
+ * dissect_h245_h245, so we don't want to do any h245_pi or tap stuff here.
+ */
dissect_tpkt_encap(tvb, pinfo, parent_tree, h245_reassembly, MultimediaSystemControlMessage_handle);
-
- tap_queue_packet(h245_tap, pinfo, h245_pi);
}
+
static void
dissect_h245_h245(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
{
proto_item *it;
proto_tree *tr;
guint32 offset=0;
+ asn1_ctx_t asn1_ctx;
- pi_current++;
- if(pi_current==5){
- pi_current=0;
- }
- h245_pi=&pi_arr[pi_current];
-
- reset_h245_packet_info(h245_pi);
- h245_pi->msg_type = H245_OTHER;
+ fast_start = FALSE;
+ /* Clean up from any previous packet dissection */
+ upcoming_olc = NULL;
+ upcoming_channel = NULL;
+ codec_type = NULL;
if (check_col(pinfo->cinfo, COL_PROTOCOL)){
- col_set_str(pinfo->cinfo, COL_PROTOCOL, "H.245");
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, PSNAME);
}
- it=proto_tree_add_protocol_format(parent_tree, proto_h245, tvb, 0, tvb_length(tvb), "H.245");
+ it=proto_tree_add_protocol_format(parent_tree, proto_h245, tvb, 0, tvb_length(tvb), PSNAME);
tr=proto_item_add_subtree(it, ett_h245);
- dissect_h245_MultimediaSystemControlMessage(tvb, offset, pinfo ,tr, hf_h245_pdu_type);
- tap_queue_packet(h245dg_tap, pinfo, h245_pi);
+
+ /* assume that whilst there is more tvb data, there are more h245 commands */
+ while ( tvb_length_remaining( tvb, offset>>3 )>0 ){
+ CLEANUP_PUSH(reset_h245_pi, NULL);
+ h245_pi=ep_alloc(sizeof(h245_packet_info));
+ init_h245_packet_info(h245_pi);
+ asn1_ctx_init(&asn1_ctx, ASN1_ENC_PER, TRUE, pinfo);
+ offset = dissect_h245_MultimediaSystemControlMessage(tvb, offset, &asn1_ctx, tr, hf_h245_pdu_type);
+ tap_queue_packet(h245dg_tap, pinfo, h245_pi);
+ offset = (offset+0x07) & 0xfffffff8;
+ CLEANUP_CALL_AND_POP;
+ }
}
-int
-dissect_h245_OpenLogicalChannelCodec(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index, char *codec_str) {
- offset = dissect_per_sequence(tvb, offset, pinfo, tree, hf_index,
- ett_h245_OpenLogicalChannel, OpenLogicalChannel_sequence);
+void
+dissect_h245_FastStart_OLC(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, char *codec_str) {
+
+ fast_start = TRUE;
+ /* Clean up from any previous packet dissection */
+ upcoming_olc = NULL;
+ upcoming_channel = NULL;
+ codec_type = NULL;
+ dissect_OpenLogicalChannel_PDU(tvb, pinfo, tree);
- if (h245_pi != NULL) h245_pi->msg_type = H245_OpenLogChn;
+ if (h245_pi != NULL)
+ h245_pi->msg_type = H245_OpenLogChn;
if (codec_str && codec_type){
- strncpy(codec_str, codec_type, 50);
+ g_strlcpy(codec_str, codec_type, 50);
}
- return offset;
}
/*--- proto_register_h245 -------------------------------------------*/
/* List of subtrees */
static gint *ett[] = {
&ett_h245,
+ &ett_h245_returnedFunction,
#include "packet-h245-ettarr.c"
};
module_t *h245_module;
/* Register protocol */
proto_h245 = proto_register_protocol(PNAME, PSNAME, PFNAME);
+ register_init_routine(h245_init);
/* Register fields and subtrees */
proto_register_field_array(proto_h245, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
/* From Ronnie Sahlbergs original H245 dissector */
-
+
h245_module = prefs_register_protocol(proto_h245, NULL);
prefs_register_bool_preference(h245_module, "reassembly",
"Reassemble H.245 messages spanning multiple TCP segments",
nsp_object_dissector_table = register_dissector_table("h245.nsp.object", "H.245 NonStandardParameter (object)", FT_STRING, BASE_NONE);
nsp_h221_dissector_table = register_dissector_table("h245.nsp.h221", "H.245 NonStandardParameter (h221)", FT_UINT32, BASE_HEX);
+ gef_name_dissector_table = register_dissector_table("h245.gef.name", "H.245 Generic Extensible Framework (names)", FT_STRING, BASE_NONE);
+ gef_content_dissector_table = register_dissector_table("h245.gef.content", "H.245 Generic Extensible Framework", FT_STRING, BASE_NONE);
+
h245_tap = register_tap("h245");
h245dg_tap = register_tap("h245dg");
- register_ber_oid_name("0.0.8.239.1.1","itu-t(0) recommendation(0) h(8) h239(239) generic-capabilities(1) h239ControlCapability(1)");
- register_ber_oid_name("0.0.8.239.1.2","itu-t(0) recommendation(0) h(8) h239(239) generic-capabilities(1) h239ExtendedVideoCapability(2)");
- register_ber_oid_name("0.0.8.239.2","itu-t(0) recommendation(0) h(8) h239(239) generic-message(2)");
- register_ber_oid_name("0.0.8.245.0.3","itu-t(0) recommendation(0) h(8) h245(245) version(0) 3");
- register_ber_oid_name("0.0.8.245.0.4","itu-t(0) recommendation(0) h(8) h245(245) version(0) 4");
- register_ber_oid_name("0.0.8.245.0.5","itu-t(0) recommendation(0) h(8) h245(245) version(0) 5");
- register_ber_oid_name("0.0.8.245.0.6","itu-t(0) recommendation(0) h(8) h245(245) version(0) 6");
- register_ber_oid_name("0.0.8.245.0.7","itu-t(0) recommendation(0) h(8) h245(245) version(0) 7");
- register_ber_oid_name("0.0.8.245.0.8","itu-t(0) recommendation(0) h(8) h245(245) version(0) 8");
- register_ber_oid_name("0.0.8.245.0.10","itu-t(0) recommendation(0) h(8) h245(245) version(0) 10");
- register_ber_oid_name("0.0.8.245.1.0.0","itu-t(0) recommendation(0) h(8) h245(245) generic-capabilities(1) video (0) ISO/IEC 14496-2 (0)= MPEG-4 video");
- register_ber_oid_name("0.0.8.245.1.1.0","itu-t(0) recommendation(0) h(8) h245(245) generic-capabilities(1) audio (1) ISO/IEC 14496-3 (0)= MPEG-4 audio");
- register_ber_oid_name("0.0.8.245.1.1.1","itu-t(0) recommendation(0) h(8) h245(245) generic-capabilities(1) audio(1) amr(1)");
-
- register_ber_oid_name("0.0.8.241.0.0.1","itu-t(0) recommendation(0) h(8) h241(241) specificVideoCodecCapabilities(0) h264(0) generic-capabilities(1)");
-
-
+ oid_add_from_string("h239ControlCapability","0.0.8.239.1.1");
+ oid_add_from_string("h239ExtendedVideoCapability","0.0.8.239.1.2");
+ oid_add_from_string("generic-message","0.0.8.239.2");
+ oid_add_from_string("h245 version 3","0.0.8.245.0.3");
+ oid_add_from_string("h245 version 4","0.0.8.245.0.4");
+ oid_add_from_string("h245 version 5","0.0.8.245.0.5");
+ oid_add_from_string("h245 version 6","0.0.8.245.0.6");
+ oid_add_from_string("h245 version 7","0.0.8.245.0.7");
+ oid_add_from_string("h245 version 8","0.0.8.245.0.8");
+ oid_add_from_string("h245 version 9","0.0.8.245.0.9");
+ oid_add_from_string("h245 version 10","0.0.8.245.0.10");
+ oid_add_from_string("h245 version 11","0.0.8.245.0.11");
+ oid_add_from_string("h245 version 12","0.0.8.245.0.12");
+ oid_add_from_string("h245 version 13","0.0.8.245.0.13");
+ /* This capability is defined in Annex E. */
+ oid_add_from_string("ISO/IEC 14496-2 MPEG-4 video","0.0.8.245.1.0.0");
+ /* This capability is defined in Annex H. */
+ oid_add_from_string("ISO/IEC 14496-3 MPEG-4 audio","0.0.8.245.1.1.0");
+ /* This capability is defined in Annex I. */
+ oid_add_from_string("AMR","0.0.8.245.1.1.1");
+ /* This capability is defined in Annex J. */
+ oid_add_from_string("acelp","0.0.8.245.1.1.2");
+ /* This capability is defined in Annex K. */
+ oid_add_from_string("us1","0.0.8.245.1.1.3");
+ /* This capability is defined in Annex L. */
+ oid_add_from_string("is127evrc","0.0.8.245.1.1.4");
+ /* This capability is defined in Annex M. */
+ oid_add_from_string("ISO/IEC 13818-7","0.0.8.245.1.1.5");
+ /* This capability is defined in Annex N. */
+ oid_add_from_string("rfc3389","0.0.8.245.1.1.6");
+ /* This capability is defined in Annex O. */
+ oid_add_from_string("L-16","0.0.8.245.1.1.7");
+ /* This capability is defined in Annex P. */
+ oid_add_from_string("bounded-audio-stream","0.0.8.245.1.1.8");
+ /* This capability is defined in Annex R. */
+ oid_add_from_string("AMR-NB","0.0.8.245.1.1.9");
+ /* This capability is defined in Annex R. */
+ oid_add_from_string("AMR-WB","0.0.8.245.1.1.10");
+ /* This capability is defined in Annex S. */
+ oid_add_from_string("ilbc","0.0.8.245.1.1.11");
+
+ oid_add_from_string("ISO/IEC 14496-1","0.0.8.245.1.2.0");
+ oid_add_from_string("Nx64","0.0.8.245.1.2.1");
+ oid_add_from_string("logical-channel-bit-ratemanagement","0.0.8.245.1.3.0");
+
+ oid_add_from_string("h264 generic-capabilities","0.0.8.241.0.0.1");
+ oid_add_from_string("iPpacketization_h241AnnexA(single NAL unit mode)","0.0.8.241.0.0.0.0");
+ oid_add_from_string("iPpacketization_RFC3984NonInterleaved","0.0.8.241.0.0.0.1");
+ oid_add_from_string("iPpacketization_RFC3984Interleaved","0.0.8.241.0.0.0.2");
}
void proto_reg_handoff_h245(void) {
rtp_handle = find_dissector("rtp");
rtcp_handle = find_dissector("rtcp");
+ t38_handle = find_dissector("t38");
data_handle = find_dissector("data");
+ h263_handle = find_dissector("h263data");
+ amr_handle = find_dissector("amr_if2");
h245_handle=create_dissector_handle(dissect_h245, proto_h245);
dissector_add_handle("udp.port", MultimediaSystemControlMessage_handle);
}
-static void reset_h245_packet_info(h245_packet_info *pi)
+static void init_h245_packet_info(h245_packet_info *pi)
{
if(pi == NULL) {
return;
pi->msg_type = H245_OTHER;
pi->frame_label[0] = '\0';
- sprintf(pi->comment, "H245 ");
+ g_snprintf(pi->comment, sizeof(pi->comment), "H245 ");
}