c40e18b252
Change-Id: Ib2ce101d04dca2b5640165e8ab752715ca0dac9d Reviewed-on: https://code.wireshark.org/review/32462 Reviewed-by: Guy Harris <guy@alum.mit.edu>
4328 lines
167 KiB
C
4328 lines
167 KiB
C
/* voip_calls.c
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* VoIP calls summary addition for Wireshark
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*
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* Copyright 2004, Ericsson, Spain
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* By Francisco Alcoba <francisco.alcoba@ericsson.com>
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*
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* based on h323_calls.c
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* Copyright 2004, Iskratel, Ltd, Kranj
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* By Miha Jemec <m.jemec@iskratel.si>
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*
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* H323, RTP, RTP Event, MGCP, AudioCodes (ISDN PRI and CAS), T38 and Graph Support
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* By Alejandro Vaquero, alejandro.vaquero@verso.com
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* Copyright 2005, Verso Technologies Inc.
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <string.h>
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#include "epan/epan_dissect.h"
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#include "epan/packet.h"
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#include "epan/proto_data.h"
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#include "epan/to_str.h"
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#include "epan/dissectors/packet-sip.h"
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#include "epan/dissectors/packet-h225.h"
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#include "epan/dissectors/packet-h245.h"
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#include "epan/dissectors/packet-isup.h"
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#include "epan/dissectors/packet-sdp.h"
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#include "epan/dissectors/packet-mgcp.h"
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#include "epan/dissectors/packet-mtp3.h"
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#include "epan/dissectors/packet-actrace.h"
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#include "epan/dissectors/packet-q931.h"
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#include "epan/dissectors/packet-rtp.h"
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#include "epan/dissectors/packet-rtp-events.h"
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#include "epan/dissectors/packet-t38.h"
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#include "epan/dissectors/packet-t30.h"
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#include "epan/dissectors/packet-h248.h"
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#include "epan/dissectors/packet-sccp.h"
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#include "plugins/epan/unistim/packet-unistim.h"
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#include "epan/dissectors/packet-skinny.h"
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#include "epan/dissectors/packet-iax2.h"
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#include "epan/rtp_pt.h"
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#include "ui/rtp_stream.h"
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#include "ui/simple_dialog.h"
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#include "ui/tap-rtp-common.h"
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#include "ui/ws_ui_util.h"
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#include "ui/voip_calls.h"
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#define DUMP_PTR1(p) printf("#=> %p\n",(void *)p)
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#define DUMP_PTR2(p) printf("==> %p\n",(void *)p)
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const char *voip_call_state_name[8]={
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"",
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"CALL SETUP",
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"RINGING",
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"IN CALL",
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"CANCELLED",
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"COMPLETED",
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"REJECTED",
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"UNKNOWN"
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};
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/* defines whether we can consider the call active */
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const char *voip_protocol_name[]={
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"SIP",
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"ISUP",
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"H.323",
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"MGCP",
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"AC_ISDN",
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"AC_CAS",
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"T.38",
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"H.248",
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"SCCP",
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"BSSMAP",
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"RANAP",
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"UNISTIM",
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"SKINNY",
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"IAX2",
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"VoIP"
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};
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/*
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* Tap IDs must be unique. Since different taps need to share the
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* same voip_calls_tapinfo_t *, make it unique by offsetting its
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* value.
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*/
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enum {
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tap_id_offset_actrace_,
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tap_id_offset_h225_,
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tap_id_offset_h245dg_,
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tap_id_offset_h248_,
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tap_id_offset_iax2_,
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tap_id_offset_isup_,
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tap_id_offset_m3ua_,
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tap_id_offset_megaco_,
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tap_id_offset_mgcp_,
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tap_id_offset_mtp3_,
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tap_id_offset_q931_,
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tap_id_offset_rtp_,
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tap_id_offset_rtp_event_,
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tap_id_offset_sccp_,
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tap_id_offset_sdp_,
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tap_id_offset_sip_,
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tap_id_offset_skinny_,
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tap_id_offset_sua_,
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tap_id_offset_t38_,
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tap_id_offset_unistim_,
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tap_id_offset_voip_
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};
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#define REDRAW_ACTRACE (1 << tap_id_offset_actrace_)
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#define REDRAW_H225 (1 << tap_id_offset_h225_)
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#define REDRAW_H245DG (1 << tap_id_offset_h245dg_)
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#define REDRAW_H248 (1 << tap_id_offset_h248_)
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#define REDRAW_IAX2 (1 << tap_id_offset_iax2_)
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#define REDRAW_ISUP (1 << tap_id_offset_isup_)
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#define REDRAW_M3UA (1 << tap_id_offset_m3ua_)
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#define REDRAW_MEGACO (1 << tap_id_offset_megaco_)
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#define REDRAW_MGCP (1 << tap_id_offset_mgcp_)
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#define REDRAW_MTP3 (1 << tap_id_offset_mtp3_)
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#define REDRAW_Q931 (1 << tap_id_offset_q931_)
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#define REDRAW_RTP (1 << tap_id_offset_rtp_)
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#define REDRAW_RTP_EVENT (1 << tap_id_offset_rtp_event_)
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#define REDRAW_SCCP (1 << tap_id_offset_sccp_)
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#define REDRAW_SDP (1 << tap_id_offset_sdp_)
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#define REDRAW_SIP (1 << tap_id_offset_sip_)
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#define REDRAW_SKINNY (1 << tap_id_offset_skinny_)
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#define REDRAW_SUA (1 << tap_id_offset_sua_)
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#define REDRAW_T38 (1 << tap_id_offset_t38_)
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#define REDRAW_UNISTIM (1 << tap_id_offset_unistim_)
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#define REDRAW_VOIP (1 << tap_id_offset_voip_)
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static inline void *
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tap_base_to_id(voip_calls_tapinfo_t* tap_base, int offset) {
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return GSIZE_TO_POINTER(GPOINTER_TO_SIZE(tap_base) + offset);
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}
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static inline voip_calls_tapinfo_t *
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tap_id_to_base(void* tap_id, int offset) {
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return (voip_calls_tapinfo_t *) GSIZE_TO_POINTER(GPOINTER_TO_SIZE(tap_id) - offset);
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}
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typedef struct {
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gchar *frame_label;
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gchar *comment;
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} graph_str;
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#define H245_MAX 6
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typedef struct _h245_labels {
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guint32 frame_num;
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gint8 labels_count;
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graph_str labels[H245_MAX];
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} h245_labels_t;
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static void actrace_calls_init_tap(voip_calls_tapinfo_t *tap_id_base);
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static void h225_calls_init_tap(voip_calls_tapinfo_t *tap_id_base);
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static void h245dg_calls_init_tap(voip_calls_tapinfo_t *tap_id_base);
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static void h248_calls_init_tap(voip_calls_tapinfo_t *tap_id_base);
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static void iax2_calls_init_tap(voip_calls_tapinfo_t *tap_id_base);
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static void isup_calls_init_tap(voip_calls_tapinfo_t *tap_id_base);
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static void mgcp_calls_init_tap(voip_calls_tapinfo_t *tap_id_base);
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static void mtp3_calls_init_tap(voip_calls_tapinfo_t *tap_id_base);
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static void q931_calls_init_tap(voip_calls_tapinfo_t *tap_id_base);
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static void rtp_event_init_tap(voip_calls_tapinfo_t *tap_id_base);
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static void rtp_init_tap(voip_calls_tapinfo_t *tap_id_base);
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static void sccp_calls_init_tap(voip_calls_tapinfo_t *tap_id_base);
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static void sdp_calls_init_tap(voip_calls_tapinfo_t *tap_id_base);
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static void sip_calls_init_tap(voip_calls_tapinfo_t *tap_id_base);
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static void skinny_calls_init_tap(voip_calls_tapinfo_t *tap_id_base);
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static void t38_init_tap(voip_calls_tapinfo_t *tap_id_base);
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static void unistim_calls_init_tap(voip_calls_tapinfo_t *tap_id_base);
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static void voip_calls_init_tap(voip_calls_tapinfo_t *tap_id_base);
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void
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voip_calls_init_all_taps(voip_calls_tapinfo_t *tap_id_base)
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{
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actrace_calls_init_tap(tap_id_base);
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h225_calls_init_tap(tap_id_base);
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h245dg_calls_init_tap(tap_id_base);
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h248_calls_init_tap(tap_id_base);
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iax2_calls_init_tap(tap_id_base);
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isup_calls_init_tap(tap_id_base);
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mgcp_calls_init_tap(tap_id_base);
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mtp3_calls_init_tap(tap_id_base);
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q931_calls_init_tap(tap_id_base);
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rtp_event_init_tap(tap_id_base);
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rtp_init_tap(tap_id_base); /* This calls tap_reset_cb, tap_packet_cb, and tap_draw_cb */
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sccp_calls_init_tap(tap_id_base);
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sdp_calls_init_tap(tap_id_base);
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sip_calls_init_tap(tap_id_base);
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skinny_calls_init_tap(tap_id_base);
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t38_init_tap(tap_id_base);
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/* We don't register this tap if we don't have the unistim plugin loaded.*/
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if (find_tap_id("unistim")) {
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unistim_calls_init_tap(tap_id_base);
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}
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if (find_tap_id("voip")) {
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voip_calls_init_tap(tap_id_base);
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}
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}
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static void remove_tap_listener_actrace_calls(voip_calls_tapinfo_t *tap_id_base);
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static void remove_tap_listener_h225_calls(voip_calls_tapinfo_t *tap_id_base);
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static void remove_tap_listener_h245dg_calls(voip_calls_tapinfo_t *tap_id_base);
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static void remove_tap_listener_h248_calls(voip_calls_tapinfo_t *tap_id_base);
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static void remove_tap_listener_iax2_calls(voip_calls_tapinfo_t *tap_id_base);
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static void remove_tap_listener_isup_calls(voip_calls_tapinfo_t *tap_id_base);
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static void remove_tap_listener_mgcp_calls(voip_calls_tapinfo_t *tap_id_base);
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static void remove_tap_listener_mtp3_calls(voip_calls_tapinfo_t *tap_id_base);
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static void remove_tap_listener_q931_calls(voip_calls_tapinfo_t *tap_id_base);
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static void remove_tap_listener_rtp(voip_calls_tapinfo_t *tap_id_base);
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static void remove_tap_listener_rtp_event(voip_calls_tapinfo_t *tap_id_base);
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static void remove_tap_listener_sccp_calls(voip_calls_tapinfo_t *tap_id_base);
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static void remove_tap_listener_sdp_calls(voip_calls_tapinfo_t *tap_id_base);
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static void remove_tap_listener_sip_calls(voip_calls_tapinfo_t *tap_id_base);
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static void remove_tap_listener_skinny_calls(voip_calls_tapinfo_t *tap_id_base);
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static void remove_tap_listener_t38(voip_calls_tapinfo_t *tap_id_base);
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static void remove_tap_listener_unistim_calls(voip_calls_tapinfo_t *tap_id_base);
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static void remove_tap_listener_voip_calls(voip_calls_tapinfo_t *tap_id_base);
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void voip_calls_remove_all_tap_listeners(voip_calls_tapinfo_t *tap_id_base)
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{
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/* Remove the calls tap listener */
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remove_tap_listener_actrace_calls(tap_id_base);
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remove_tap_listener_h225_calls(tap_id_base);
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remove_tap_listener_h245dg_calls(tap_id_base);
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remove_tap_listener_h248_calls(tap_id_base);
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remove_tap_listener_iax2_calls(tap_id_base);
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remove_tap_listener_isup_calls(tap_id_base);
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remove_tap_listener_mgcp_calls(tap_id_base);
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remove_tap_listener_mtp3_calls(tap_id_base);
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remove_tap_listener_q931_calls(tap_id_base);
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remove_tap_listener_rtp(tap_id_base);
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remove_tap_listener_rtp_event(tap_id_base);
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remove_tap_listener_sccp_calls(tap_id_base);
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remove_tap_listener_sdp_calls(tap_id_base);
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remove_tap_listener_sip_calls(tap_id_base);
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remove_tap_listener_skinny_calls(tap_id_base);
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remove_tap_listener_t38(tap_id_base);
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if (find_tap_id("unistim")) { /* The plugin may be missing */
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remove_tap_listener_unistim_calls(tap_id_base);
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}
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if (find_tap_id("voip")) {
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remove_tap_listener_voip_calls(tap_id_base);
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}
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}
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/****************************************************************************/
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/* when there is a [re]reading of packet's */
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void
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voip_calls_reset_all_taps(voip_calls_tapinfo_t *tapinfo)
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{
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voip_calls_info_t *callsinfo;
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rtpstream_info_t *strinfo;
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GList *list = NULL;
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/* VOIP_CALLS_DEBUG("reset packets: %d streams: %d", tapinfo->npackets, tapinfo->nrtpstreams); */
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/* free the data items first */
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list = g_queue_peek_nth_link(tapinfo->callsinfos, 0);
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while (list)
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{
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callsinfo = (voip_calls_info_t *)list->data;
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g_free(callsinfo->call_id);
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g_free(callsinfo->from_identity);
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g_free(callsinfo->to_identity);
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free_address(&callsinfo->initial_speaker);
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g_free(callsinfo->protocol_name);
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g_free(callsinfo->call_comment);
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if (callsinfo->free_prot_info && callsinfo->prot_info)
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callsinfo->free_prot_info(callsinfo->prot_info);
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g_free(list->data);
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list = g_list_next(list);
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}
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g_queue_clear(tapinfo->callsinfos);
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/* free the SIP_HASH */
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if(NULL!=tapinfo->callsinfo_hashtable[SIP_HASH])
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g_hash_table_remove_all (tapinfo->callsinfo_hashtable[SIP_HASH]);
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/* free the strinfo data items first */
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list = g_list_first(tapinfo->rtpstream_list);
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while(list)
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{
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strinfo = (rtpstream_info_t *)list->data;
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rtpstream_info_free_data(strinfo);
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list = g_list_next(list);
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}
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g_list_free(tapinfo->rtpstream_list);
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tapinfo->rtpstream_list = NULL;
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if (tapinfo->h245_labels) {
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memset(tapinfo->h245_labels, 0, sizeof(h245_labels_t));
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}
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tapinfo->ncalls = 0;
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tapinfo->start_packets = 0;
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tapinfo->completed_calls = 0;
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tapinfo->rejected_calls = 0;
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return;
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}
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/****************************************************************************/
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/* Add a new item into the graph */
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static void
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add_to_graph(voip_calls_tapinfo_t *tapinfo, packet_info *pinfo, epan_dissect_t *edt, const gchar *frame_label, const gchar *comment, guint16 call_num, address *src_addr, address *dst_addr, guint16 line_style)
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{
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seq_analysis_item_t *gai;
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gchar time_str[COL_MAX_LEN];
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if (!tapinfo->graph_analysis) {
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return;
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}
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gai = (seq_analysis_item_t *)g_malloc0(sizeof(seq_analysis_item_t));
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gai->frame_number = pinfo->num;
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copy_address(&(gai->src_addr),src_addr);
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copy_address(&(gai->dst_addr),dst_addr);
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gai->port_src=pinfo->srcport;
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gai->port_dst=pinfo->destport;
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if (frame_label != NULL)
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gai->frame_label = g_strdup(frame_label);
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else
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gai->frame_label = g_strdup("");
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if (comment != NULL)
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gai->comment = g_strdup(comment);
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else
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gai->comment = g_strdup("");
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gai->conv_num=call_num;
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gai->line_style=line_style;
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set_fd_time(edt->session, pinfo->fd, time_str);
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gai->time_str = g_strdup(time_str);
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gai->display=FALSE;
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g_queue_push_tail(tapinfo->graph_analysis->items, gai);
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g_hash_table_insert(tapinfo->graph_analysis->ht, GUINT_TO_POINTER(gai->frame_number), gai);
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}
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/****************************************************************************/
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/* Append str to frame_label and comment in a graph item */
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/* return 0 if the frame_num is not in the graph list */
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static int append_to_frame_graph(voip_calls_tapinfo_t *tapinfo, guint32 frame_num, const gchar *new_frame_label, const gchar *new_comment)
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{
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seq_analysis_item_t *gai=NULL;
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gchar *frame_label = NULL;
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gchar *comment = NULL;
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if(tapinfo->graph_analysis && NULL!=tapinfo->graph_analysis->ht)
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gai=(seq_analysis_item_t *)g_hash_table_lookup(tapinfo->graph_analysis->ht, GUINT_TO_POINTER(frame_num));
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if(gai) {
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frame_label = gai->frame_label;
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comment = gai->comment;
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if (new_frame_label != NULL) {
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gai->frame_label = g_strdup_printf("%s %s", frame_label, new_frame_label);
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g_free(frame_label);
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}
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if (new_comment != NULL) {
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gai->comment = g_strdup_printf("%s %s", comment, new_comment);
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g_free(comment);
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}
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}
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return gai? 1 : 0;
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}
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/****************************************************************************/
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/* Change the frame_label and comment in a graph item if not NULL*/
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/* return 0 if the frame_num is not in the graph list */
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static int change_frame_graph(voip_calls_tapinfo_t *tapinfo, guint32 frame_num, const gchar *new_frame_label, const gchar *new_comment)
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{
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seq_analysis_item_t *gai=NULL;
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gchar *frame_label = NULL;
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gchar *comment = NULL;
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if(tapinfo->graph_analysis && NULL!=tapinfo->graph_analysis->ht)
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gai=(seq_analysis_item_t *)g_hash_table_lookup(tapinfo->graph_analysis->ht, GUINT_TO_POINTER(frame_num));
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if(gai) {
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frame_label = gai->frame_label;
|
|
comment = gai->comment;
|
|
|
|
if (new_frame_label != NULL) {
|
|
gai->frame_label = g_strdup(new_frame_label);
|
|
g_free(frame_label);
|
|
}
|
|
|
|
if (new_comment != NULL) {
|
|
gai->comment = g_strdup(new_comment);
|
|
g_free(comment);
|
|
}
|
|
}
|
|
|
|
return gai? 1 : 0;
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* Change all the graph items with call_num to new_call_num */
|
|
static guint change_call_num_graph(voip_calls_tapinfo_t *tapinfo, guint16 call_num, guint16 new_call_num)
|
|
{
|
|
seq_analysis_item_t *gai;
|
|
GList *list;
|
|
guint items_changed;
|
|
|
|
items_changed = 0;
|
|
if(tapinfo->graph_analysis){
|
|
list = g_queue_peek_nth_link(tapinfo->graph_analysis->items, 0);
|
|
while (list)
|
|
{
|
|
gai = (seq_analysis_item_t *)list->data;
|
|
if (gai->conv_num == call_num) {
|
|
gai->conv_num = new_call_num;
|
|
items_changed++;
|
|
}
|
|
list = g_list_next(list);
|
|
}
|
|
}
|
|
return items_changed;
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* Insert the item in the graph list */
|
|
static void insert_to_graph_t38(voip_calls_tapinfo_t *tapinfo, packet_info *pinfo, epan_dissect_t *edt, const gchar *frame_label, const gchar *comment, guint16 call_num, address *src_addr, address *dst_addr, guint16 line_style, guint32 frame_num)
|
|
{
|
|
seq_analysis_item_t *gai, *new_gai;
|
|
GList *list;
|
|
guint item_num;
|
|
gboolean inserted;
|
|
gchar time_str[COL_MAX_LEN];
|
|
|
|
new_gai = (seq_analysis_item_t *)g_malloc0(sizeof(seq_analysis_item_t));
|
|
new_gai->frame_number = frame_num;
|
|
copy_address(&(new_gai->src_addr),src_addr);
|
|
copy_address(&(new_gai->dst_addr),dst_addr);
|
|
|
|
new_gai->port_src=pinfo->srcport;
|
|
new_gai->port_dst=pinfo->destport;
|
|
if (frame_label != NULL)
|
|
new_gai->frame_label = g_strdup(frame_label);
|
|
else
|
|
new_gai->frame_label = g_strdup("");
|
|
|
|
if (comment != NULL)
|
|
new_gai->comment = g_strdup(comment);
|
|
else
|
|
new_gai->comment = g_strdup("");
|
|
new_gai->conv_num=call_num;
|
|
new_gai->line_style=line_style;
|
|
set_fd_time(edt->session, pinfo->fd, time_str);
|
|
new_gai->time_str = g_strdup(time_str);
|
|
new_gai->display=FALSE;
|
|
|
|
item_num = 0;
|
|
inserted = FALSE;
|
|
if(tapinfo->graph_analysis){
|
|
list = g_queue_peek_nth_link(tapinfo->graph_analysis->items, 0);
|
|
while (list)
|
|
{
|
|
gai = (seq_analysis_item_t *)list->data;
|
|
if (gai->frame_number > frame_num) {
|
|
g_queue_insert_before(tapinfo->graph_analysis->items, list, new_gai);
|
|
g_hash_table_insert(tapinfo->graph_analysis->ht, GUINT_TO_POINTER(new_gai->frame_number), new_gai);
|
|
inserted = TRUE;
|
|
break;
|
|
}
|
|
list = g_list_next(list);
|
|
item_num++;
|
|
}
|
|
|
|
if (!inserted) {
|
|
g_queue_push_tail(tapinfo->graph_analysis->items, new_gai);
|
|
g_hash_table_insert(tapinfo->graph_analysis->ht, GUINT_TO_POINTER(new_gai->frame_number), new_gai);
|
|
}
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* ***************************TAP for RTP Events*****************************/
|
|
/****************************************************************************/
|
|
|
|
/*static guint32 rtp_evt_setup_frame_num = 0;*/
|
|
|
|
/****************************************************************************/
|
|
/* whenever a rtp event packet is seen by the tap listener */
|
|
static tap_packet_status
|
|
rtp_event_packet(void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *edt _U_, const void *rtp_event_info)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_rtp_event_);
|
|
const struct _rtp_event_info *pi = (const struct _rtp_event_info *)rtp_event_info;
|
|
|
|
/* do not consider RTP events packets without a setup frame */
|
|
if (pi->info_setup_frame_num == 0) {
|
|
return TAP_PACKET_DONT_REDRAW;
|
|
}
|
|
|
|
tapinfo->rtp_evt_frame_num = pinfo->num;
|
|
tapinfo->rtp_evt = pi->info_rtp_evt;
|
|
tapinfo->rtp_evt_end = pi->info_end;
|
|
|
|
return TAP_PACKET_DONT_REDRAW;
|
|
}
|
|
|
|
/****************************************************************************/
|
|
void
|
|
rtp_event_init_tap(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
GString *error_string;
|
|
|
|
error_string = register_tap_listener("rtpevent", tap_base_to_id(tap_id_base, tap_id_offset_rtp_event_),
|
|
NULL,
|
|
0,
|
|
NULL,
|
|
rtp_event_packet,
|
|
NULL,
|
|
NULL
|
|
);
|
|
|
|
if (error_string != NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"%s", error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
|
|
void
|
|
remove_tap_listener_rtp_event(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
remove_tap_listener(tap_base_to_id(tap_id_base, tap_id_offset_rtp_event_));
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* ***************************TAP for RTP **********************************/
|
|
/****************************************************************************/
|
|
|
|
/****************************************************************************/
|
|
/* when there is a [re]reading of RTP packets */
|
|
static void
|
|
rtp_reset(void *tap_offset_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_rtp_);
|
|
GList *list;
|
|
rtpstream_info_t *stream_info;
|
|
|
|
/* free the data items first */
|
|
list = g_list_first(tapinfo->rtpstream_list);
|
|
while (list)
|
|
{
|
|
stream_info = (rtpstream_info_t*)(list->data);
|
|
rtpstream_info_free_data(stream_info);
|
|
g_free(list->data);
|
|
list = g_list_next(list);
|
|
}
|
|
g_list_free(tapinfo->rtpstream_list);
|
|
tapinfo->rtpstream_list = NULL;
|
|
tapinfo->nrtpstreams = 0;
|
|
|
|
if (tapinfo->tap_reset) {
|
|
tapinfo->tap_reset(tapinfo);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* whenever a RTP packet is seen by the tap listener */
|
|
static tap_packet_status
|
|
rtp_packet(void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *edt, void const *rtp_info_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_rtp_);
|
|
rtpstream_info_t *tmp_listinfo;
|
|
rtpstream_info_t *strinfo = NULL;
|
|
GList *list;
|
|
struct _rtp_conversation_info *p_conv_data = NULL;
|
|
|
|
const struct _rtp_info *rtp_info = (const struct _rtp_info *)rtp_info_ptr;
|
|
|
|
/* do not consider RTP packets without a setup frame */
|
|
if (rtp_info->info_setup_frame_num == 0) {
|
|
return TAP_PACKET_DONT_REDRAW;
|
|
}
|
|
|
|
if (tapinfo->tap_packet) {
|
|
tapinfo->tap_packet(tapinfo, pinfo, edt, rtp_info_ptr);
|
|
}
|
|
|
|
/* check whether we already have a RTP stream with this setup frame and ssrc in the list */
|
|
list = g_list_first(tapinfo->rtpstream_list);
|
|
while (list)
|
|
{
|
|
tmp_listinfo=(rtpstream_info_t *)list->data;
|
|
if ( (tmp_listinfo->setup_frame_number == rtp_info->info_setup_frame_num)
|
|
&& (tmp_listinfo->id.ssrc == rtp_info->info_sync_src) && (tmp_listinfo->end_stream == FALSE)) {
|
|
/* if the payload type has changed, we mark the stream as finished to create a new one
|
|
this is to show multiple payload changes in the Graph for example for DTMF RFC2833 */
|
|
if ( tmp_listinfo->first_payload_type != rtp_info->info_payload_type ) {
|
|
tmp_listinfo->end_stream = TRUE;
|
|
} else if ( ( ( tmp_listinfo->ed137_info == NULL ) && (rtp_info->info_ed137_info != NULL) ) ||
|
|
( ( tmp_listinfo->ed137_info != NULL ) && (rtp_info->info_ed137_info == NULL) ) ||
|
|
( ( tmp_listinfo->ed137_info != NULL ) && (rtp_info->info_ed137_info != NULL) &&
|
|
( 0!=strcmp(tmp_listinfo->ed137_info, rtp_info->info_ed137_info) )
|
|
)
|
|
) {
|
|
/* if ed137_info has changed, create new stream */
|
|
tmp_listinfo->end_stream = TRUE;
|
|
} else {
|
|
strinfo = (rtpstream_info_t*)(list->data);
|
|
break;
|
|
}
|
|
}
|
|
list = g_list_next(list);
|
|
}
|
|
|
|
/* if this is a duplicated RTP Event End, just return */
|
|
if ((tapinfo->rtp_evt_frame_num == pinfo->num) && !strinfo && (tapinfo->rtp_evt_end == TRUE)) {
|
|
return TAP_PACKET_DONT_REDRAW;
|
|
}
|
|
|
|
/* not in the list? then create a new entry */
|
|
if (strinfo==NULL) {
|
|
strinfo = rtpstream_info_malloc_and_init();
|
|
rtpstream_id_copy_pinfo(pinfo,&(strinfo->id),FALSE);
|
|
strinfo->id.ssrc = rtp_info->info_sync_src;
|
|
strinfo->first_payload_type = rtp_info->info_payload_type;
|
|
strinfo->is_srtp = rtp_info->info_is_srtp;
|
|
/* if it is dynamic payload, let use the conv data to see if it is defined */
|
|
if ( (strinfo->first_payload_type >= PT_UNDF_96) && (strinfo->first_payload_type <= PT_UNDF_127) ) {
|
|
/* Use existing packet info if available */
|
|
p_conv_data = (struct _rtp_conversation_info *)p_get_proto_data(wmem_file_scope(), pinfo, proto_get_id_by_filter_name("rtp"), 0);
|
|
if (p_conv_data && p_conv_data->rtp_dyn_payload) {
|
|
const gchar *encoding_name = rtp_dyn_payload_get_name(p_conv_data->rtp_dyn_payload, strinfo->first_payload_type);
|
|
if (encoding_name) {
|
|
strinfo->first_payload_type_name = encoding_name;
|
|
}
|
|
}
|
|
}
|
|
if (!strinfo->first_payload_type_name) {
|
|
strinfo->first_payload_type_name = val_to_str_ext(strinfo->first_payload_type, &rtp_payload_type_short_vals_ext, "%u");
|
|
}
|
|
strinfo->start_fd = pinfo->fd;
|
|
strinfo->start_rel_time = pinfo->rel_ts;
|
|
strinfo->setup_frame_number = rtp_info->info_setup_frame_num;
|
|
strinfo->call_num = -1;
|
|
strinfo->rtp_event = -1;
|
|
if (rtp_info->info_ed137_info != NULL) {
|
|
strinfo->ed137_info = rtp_info->info_ed137_info;
|
|
} else {
|
|
strinfo->ed137_info = NULL;
|
|
}
|
|
tapinfo->rtpstream_list = g_list_prepend(tapinfo->rtpstream_list, strinfo);
|
|
}
|
|
|
|
/* Add the info to the existing RTP stream */
|
|
strinfo->packet_count++;
|
|
strinfo->stop_fd = pinfo->fd;
|
|
strinfo->stop_rel_time = pinfo->rel_ts;
|
|
|
|
/* process RTP Event */
|
|
if (tapinfo->rtp_evt_frame_num == pinfo->num) {
|
|
strinfo->rtp_event = tapinfo->rtp_evt;
|
|
if (tapinfo->rtp_evt_end == TRUE) {
|
|
strinfo->end_stream = TRUE;
|
|
}
|
|
}
|
|
|
|
tapinfo->redraw |= REDRAW_RTP;
|
|
|
|
return TAP_PACKET_DONT_REDRAW;
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* whenever a redraw in the RTP tap listener */
|
|
static void
|
|
rtp_draw(void *tap_offset_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_rtp_);
|
|
GList *rtpstreams_list;
|
|
rtpstream_info_t *rtp_listinfo;
|
|
/* GList *voip_calls_graph_list; */
|
|
seq_analysis_item_t *gai = NULL;
|
|
seq_analysis_item_t *new_gai;
|
|
guint16 conv_num;
|
|
guint32 duration;
|
|
gchar time_str[COL_MAX_LEN];
|
|
|
|
/* add each rtp stream to the graph */
|
|
rtpstreams_list = g_list_first(tapinfo->rtpstream_list);
|
|
while (rtpstreams_list)
|
|
{
|
|
rtp_listinfo = (rtpstream_info_t *)rtpstreams_list->data;
|
|
|
|
/* using the setup frame number of the RTP stream, we get the call number that it belongs to*/
|
|
/* voip_calls_graph_list = g_list_first(tapinfo->graph_analysis->list); */
|
|
if(tapinfo->graph_analysis){
|
|
gai = (seq_analysis_item_t *)g_hash_table_lookup(tapinfo->graph_analysis->ht, GUINT_TO_POINTER(rtp_listinfo->setup_frame_number));
|
|
}
|
|
if(gai != NULL) {
|
|
const char *comment_fmt = "%s, %u packets. Duration: %u.%03us SSRC: 0x%X";
|
|
/* Found the setup frame*/
|
|
conv_num = gai->conv_num;
|
|
/* if RTP was already in the Graph, just update the comment information */
|
|
gai = (seq_analysis_item_t *)g_hash_table_lookup(tapinfo->graph_analysis->ht, GUINT_TO_POINTER(rtp_listinfo->start_fd->num));
|
|
if (gai != NULL) {
|
|
duration = (guint32)(nstime_to_msec(&rtp_listinfo->stop_rel_time) - nstime_to_msec(&rtp_listinfo->start_rel_time));
|
|
g_free(gai->comment);
|
|
gai->comment = g_strdup_printf(comment_fmt,
|
|
(rtp_listinfo->is_srtp)?"SRTP":"RTP", rtp_listinfo->packet_count,
|
|
duration/1000,(duration%1000), rtp_listinfo->id.ssrc);
|
|
} else {
|
|
new_gai = (seq_analysis_item_t *)g_malloc0(sizeof(seq_analysis_item_t));
|
|
new_gai->frame_number = rtp_listinfo->start_fd->num;
|
|
copy_address(&(new_gai->src_addr),&(rtp_listinfo->id.src_addr));
|
|
copy_address(&(new_gai->dst_addr),&(rtp_listinfo->id.dst_addr));
|
|
new_gai->port_src = rtp_listinfo->id.src_port;
|
|
new_gai->port_dst = rtp_listinfo->id.dst_port;
|
|
duration = (guint32)(nstime_to_msec(&rtp_listinfo->stop_rel_time) - nstime_to_msec(&rtp_listinfo->start_rel_time));
|
|
new_gai->frame_label = g_strdup_printf("%s (%s) %s%s%s",
|
|
(rtp_listinfo->is_srtp)?"SRTP":"RTP",
|
|
rtp_listinfo->first_payload_type_name,
|
|
(rtp_listinfo->rtp_event == -1)?
|
|
"":val_to_str_ext_const(rtp_listinfo->rtp_event, &rtp_event_type_values_ext, "Unknown RTP Event"),
|
|
(rtp_listinfo->ed137_info!=NULL?" ":""),
|
|
(rtp_listinfo->ed137_info!=NULL?rtp_listinfo->ed137_info:"")
|
|
);
|
|
new_gai->comment = g_strdup_printf(comment_fmt,
|
|
(rtp_listinfo->is_srtp)?"SRTP":"RTP", rtp_listinfo->packet_count,
|
|
duration/1000,(duration%1000), rtp_listinfo->id.ssrc);
|
|
new_gai->conv_num = conv_num;
|
|
set_fd_time(tapinfo->session, rtp_listinfo->start_fd, time_str);
|
|
new_gai->time_str = g_strdup(time_str);
|
|
new_gai->display=FALSE;
|
|
new_gai->line_style = 2; /* the arrow line will be 2 pixels width */
|
|
g_queue_push_tail(tapinfo->graph_analysis->items, new_gai);
|
|
g_hash_table_insert(tapinfo->graph_analysis->ht, GUINT_TO_POINTER(rtp_listinfo->start_fd->num), new_gai);
|
|
}
|
|
}
|
|
rtpstreams_list = g_list_next(rtpstreams_list);
|
|
} /* while (rtpstreams_list) */
|
|
|
|
if (tapinfo->tap_draw && (tapinfo->redraw & REDRAW_RTP)) {
|
|
tapinfo->tap_draw(tapinfo);
|
|
tapinfo->redraw &= ~REDRAW_RTP;
|
|
}
|
|
}
|
|
#if 0
|
|
static void
|
|
rtp_packet_draw(void *tap_offset_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_rtp_);
|
|
GList *rtpstreams_list;
|
|
rtpstream_info_t *rtp_listinfo;
|
|
GList *voip_calls_graph_list;
|
|
guint item;
|
|
seq_analysis_item_t *gai;
|
|
seq_analysis_item_t *new_gai;
|
|
guint16 conv_num;
|
|
guint32 duration;
|
|
gchar time_str[COL_MAX_LEN];
|
|
|
|
/* add each rtp stream to the graph */
|
|
rtpstreams_list = g_list_first(tapinfo->stream_list);
|
|
while (rtpstreams_list)
|
|
{
|
|
rtp_listinfo = rtpstreams_list->data;
|
|
|
|
/* using the setup frame number of the RTP stream, we get the call number that it belongs to*/
|
|
voip_calls_graph_list = g_list_first(tapinfo->graph_analysis->list);
|
|
while (voip_calls_graph_list)
|
|
{
|
|
gai = voip_calls_graph_list->data;
|
|
conv_num = gai->conv_num;
|
|
/* if we get the setup frame number, then get the time position to graph the RTP arrow */
|
|
if (rtp_listinfo->setup_frame_number == gai->frame_number) {
|
|
/* look again from the beginning because there are cases where the Setup frame is after the RTP */
|
|
voip_calls_graph_list = g_list_first(tapinfo->graph_analysis->list);
|
|
item = 0;
|
|
while(voip_calls_graph_list) {
|
|
gai = voip_calls_graph_list->data;
|
|
/* if RTP was already in the Graph, just update the comment information */
|
|
if (rtp_listinfo->start_fd->num == gai->frame_number) {
|
|
duration = (guint32)(nstime_to_msec(&rtp_listinfo->stop_fd->rel_ts) - nstime_to_msec(&rtp_listinfo->start_fd->rel_ts));
|
|
g_free(gai->comment);
|
|
gai->comment = g_strdup_printf("%s Num packets:%u Duration:%u.%03us SSRC:0x%X",
|
|
(rtp_listinfo->is_srtp)?"SRTP":"RTP", rtp_listinfo->npackets,
|
|
duration/1000,(duration%1000), rtp_listinfo->id.ssrc);
|
|
break;
|
|
}
|
|
|
|
/* we increment the list here to be able to check if it is the last item in this calls, which means the RTP is after so we have to draw it */
|
|
voip_calls_graph_list = g_list_next(voip_calls_graph_list);
|
|
if (!voip_calls_graph_list) item++;
|
|
|
|
/* add the RTP item to the graph if was not there*/
|
|
if (rtp_listinfo->start_fd->num<gai->frame_number || !voip_calls_graph_list) {
|
|
new_gai = g_malloc0(sizeof(seq_analysis_item_t));
|
|
new_gai->frame_number = rtp_listinfo->start_fd->num;
|
|
copy_address(&(new_gai->src_addr),&(rtp_listinfo->src_addr));
|
|
copy_address(&(new_gai->dst_addr),&(rtp_listinfo->dst_addr));
|
|
new_gai->port_src = rtp_listinfo->id.src_port;
|
|
new_gai->port_dst = rtp_listinfo->id.dst_port;
|
|
new_gai->protocol = g_strdup(port_type_to_str(pinfo->ptype));
|
|
duration = (guint32)(nstime_to_msec(&rtp_listinfo->stop_fd->rel_ts) - nstime_to_msec(&rtp_listinfo->start_fd->rel_ts));
|
|
new_gai->frame_label = g_strdup_printf("%s (%s) %s",
|
|
(rtp_listinfo->is_srtp)?"SRTP":"RTP",
|
|
rtp_listinfo->first_payload_type_str,
|
|
(rtp_listinfo->rtp_event == -1)?
|
|
"":val_to_str_ext_const(rtp_listinfo->rtp_event, &rtp_event_type_values_ext, "Unknown RTP Event"));
|
|
new_gai->comment = g_strdup_printf("%s Num packets:%u Duration:%u.%03us SSRC:0x%X",
|
|
(rtp_listinfo->is_srtp)?"SRTP":"RTP", rtp_listinfo->npackets,
|
|
duration/1000,(duration%1000), rtp_listinfo->id.ssrc);
|
|
new_gai->conv_num = conv_num;
|
|
set_fd_time(cfile.epan, rtp_listinfo->start_fd, time_str);
|
|
new_gai->time_str = g_strdup(time_str);
|
|
new_gai->display=FALSE;
|
|
new_gai->line_style = 2; /* the arrow line will be 2 pixels width */
|
|
tapinfo->graph_analysis->list = g_list_insert(tapinfo->graph_analysis->list, new_gai, item);
|
|
break;
|
|
}
|
|
if (voip_calls_graph_list) item++;
|
|
}
|
|
break;
|
|
}
|
|
voip_calls_graph_list = g_list_next(voip_calls_graph_list);
|
|
}
|
|
rtpstreams_list = g_list_next(rtpstreams_list);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/****************************************************************************/
|
|
void
|
|
rtp_init_tap(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
GString *error_string;
|
|
|
|
error_string = register_tap_listener("rtp", tap_base_to_id(tap_id_base, tap_id_offset_rtp_), NULL,
|
|
0,
|
|
rtp_reset,
|
|
rtp_packet,
|
|
rtp_draw,
|
|
NULL
|
|
);
|
|
if (error_string != NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"%s", error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
void
|
|
remove_tap_listener_rtp(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
remove_tap_listener(tap_base_to_id(tap_id_base, tap_id_offset_rtp_));
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/******************************TAP for T38 **********************************/
|
|
/****************************************************************************/
|
|
|
|
/****************************************************************************/
|
|
/* whenever a T38 packet is seen by the tap listener */
|
|
static tap_packet_status
|
|
t38_packet(void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *edt, const void *t38_info_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_t38_);
|
|
|
|
voip_calls_info_t *callsinfo = NULL;
|
|
voip_calls_info_t *tmp_listinfo;
|
|
GList *voip_calls_graph_list = NULL;
|
|
GList *list;
|
|
gchar *frame_label = NULL;
|
|
gchar *comment = NULL;
|
|
seq_analysis_item_t *tmp_gai, *gai = NULL;
|
|
gchar *tmp_str1, *tmp_str2;
|
|
guint16 line_style = 2;
|
|
double duration;
|
|
int conv_num = -1;
|
|
|
|
const t38_packet_info *t38_info = (const t38_packet_info *)t38_info_ptr;
|
|
|
|
if (t38_info->setup_frame_number != 0) {
|
|
/* using the setup frame number of the T38 packet, we get the call number that it belongs */
|
|
if(tapinfo->graph_analysis){
|
|
voip_calls_graph_list = g_queue_peek_nth_link(tapinfo->graph_analysis->items, 0);
|
|
}
|
|
while (voip_calls_graph_list)
|
|
{
|
|
tmp_gai = (seq_analysis_item_t *)voip_calls_graph_list->data;
|
|
if (t38_info->setup_frame_number == tmp_gai->frame_number) {
|
|
gai = tmp_gai;
|
|
break;
|
|
}
|
|
voip_calls_graph_list = g_list_next(voip_calls_graph_list);
|
|
}
|
|
if (gai) conv_num = (int) gai->conv_num;
|
|
}
|
|
|
|
/* if setup_frame_number in the t38 packet is 0, it means it was not set using an SDP or H245 sesion, which means we don't
|
|
* have the associated Voip calls. It probably means the the packet was decoded using the default t38 port, or using "Decode as.."
|
|
* in this case we create a "voip" call that only have t38 media (no signaling)
|
|
* OR if we have not found the Setup message in the graph.
|
|
*/
|
|
if ( (t38_info->setup_frame_number == 0) || (gai == NULL) ) {
|
|
/* check whether we already have a call with these parameters in the list */
|
|
list = g_queue_peek_nth_link(tapinfo->callsinfos, 0);
|
|
while (list)
|
|
{
|
|
tmp_listinfo=(voip_calls_info_t *)list->data;
|
|
if (tmp_listinfo->protocol == MEDIA_T38) {
|
|
callsinfo = (voip_calls_info_t*)(list->data);
|
|
break;
|
|
}
|
|
list = g_list_next (list);
|
|
}
|
|
|
|
/* not in the list? then create a new entry */
|
|
if (callsinfo==NULL) {
|
|
callsinfo = (voip_calls_info_t *)g_malloc0(sizeof(voip_calls_info_t));
|
|
callsinfo->call_active_state = VOIP_ACTIVE;
|
|
callsinfo->call_state = VOIP_UNKNOWN;
|
|
callsinfo->from_identity=g_strdup("T38 Media only");
|
|
callsinfo->to_identity=g_strdup("T38 Media only");
|
|
copy_address(&(callsinfo->initial_speaker),&(pinfo->src));
|
|
callsinfo->start_fd = pinfo->fd;
|
|
callsinfo->start_rel_ts = pinfo->rel_ts;
|
|
callsinfo->protocol=MEDIA_T38;
|
|
callsinfo->prot_info=NULL;
|
|
callsinfo->free_prot_info = NULL;
|
|
callsinfo->npackets = 0;
|
|
callsinfo->call_num = tapinfo->ncalls++;
|
|
g_queue_push_tail(tapinfo->callsinfos, callsinfo);
|
|
}
|
|
callsinfo->stop_fd = pinfo->fd;
|
|
callsinfo->stop_rel_ts = pinfo->rel_ts;
|
|
++(callsinfo->npackets);
|
|
/* increment the packets counter of all calls */
|
|
++(tapinfo->npackets);
|
|
|
|
conv_num = (int) callsinfo->call_num;
|
|
}
|
|
|
|
/* at this point we should have found the call num for this t38 packets belong */
|
|
if (conv_num == -1) {
|
|
return TAP_PACKET_DONT_REDRAW;
|
|
}
|
|
|
|
/* add the item to the graph list */
|
|
if (t38_info->type_msg == 0) { /* 0=t30-indicator */
|
|
tmp_str1 = val_to_str_wmem(NULL, t38_info->t30ind_value, t38_T30_indicator_vals, "Ukn (0x%02X)");
|
|
frame_label = g_strdup(tmp_str1);
|
|
comment = g_strdup_printf("t38:t30 Ind:%s", tmp_str1);
|
|
wmem_free(NULL, tmp_str1);
|
|
line_style = 1;
|
|
} else if (t38_info->type_msg == 1) { /* 1=data */
|
|
switch(t38_info->Data_Field_field_type_value) {
|
|
case 0: /* hdlc-data */
|
|
break;
|
|
case 2: /* hdlc-fcs-OK */
|
|
case 4: /* hdlc-fcs-OK-sig-end */
|
|
tmp_str1 = val_to_str_ext_wmem(NULL, t38_info->t30_Facsimile_Control & 0x7F,
|
|
&t30_facsimile_control_field_vals_short_ext,
|
|
"Ukn (0x%02X)");
|
|
frame_label = g_strdup_printf("%s %s",
|
|
tmp_str1,
|
|
t38_info->desc);
|
|
wmem_free(NULL, tmp_str1);
|
|
|
|
tmp_str1 = val_to_str_ext_wmem(NULL, t38_info->t30_Facsimile_Control & 0x7F,
|
|
&t30_facsimile_control_field_vals_ext,
|
|
"Ukn (0x%02X)");
|
|
tmp_str2 = val_to_str_wmem(NULL, t38_info->data_value,
|
|
t38_T30_data_vals,
|
|
"Ukn (0x%02X)");
|
|
comment = g_strdup_printf("t38:%s:HDLC:%s", tmp_str2, tmp_str1);
|
|
wmem_free(NULL, tmp_str1);
|
|
wmem_free(NULL, tmp_str2);
|
|
break;
|
|
case 3: /* hdlc-fcs-BAD */
|
|
case 5: /* hdlc-fcs-BAD-sig-end */
|
|
frame_label = g_strdup(t38_info->Data_Field_field_type_value == 3 ? "fcs-BAD" : "fcs-BAD-sig-end");
|
|
tmp_str1 = val_to_str_wmem(NULL, t38_info->data_value, t38_T30_data_vals, "Ukn (0x%02X)");
|
|
comment = g_strdup_printf("WARNING: received t38:%s:HDLC:%s",
|
|
tmp_str1,
|
|
t38_info->Data_Field_field_type_value == 3 ? "fcs-BAD" : "fcs-BAD-sig-end");
|
|
wmem_free(NULL, tmp_str1);
|
|
break;
|
|
case 7: /* t4-non-ecm-sig-end */
|
|
duration = nstime_to_sec(&pinfo->rel_ts) - t38_info->time_first_t4_data;
|
|
tmp_str1 = val_to_str_wmem(NULL, t38_info->data_value, t38_T30_data_vals, "Ukn (0x%02X)");
|
|
frame_label = g_strdup_printf("t4-non-ecm-data:%s", tmp_str1);
|
|
comment = g_strdup_printf("t38:t4-non-ecm-data:%s Duration: %.2fs %s",
|
|
tmp_str1, duration, t38_info->desc_comment );
|
|
insert_to_graph_t38(tapinfo, pinfo, edt, frame_label, comment,
|
|
(guint16)conv_num, &(pinfo->src), &(pinfo->dst),
|
|
line_style, t38_info->frame_num_first_t4_data);
|
|
wmem_free(NULL, tmp_str1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (frame_label && !(t38_info->Data_Field_field_type_value == 7 && t38_info->type_msg == 1)) {
|
|
add_to_graph(tapinfo, pinfo, edt, frame_label, comment, (guint16)conv_num, &(pinfo->src), &(pinfo->dst), line_style);
|
|
}
|
|
|
|
g_free(comment);
|
|
g_free(frame_label);
|
|
|
|
tapinfo->redraw |= REDRAW_T38;
|
|
|
|
return TAP_PACKET_REDRAW; /* refresh output */
|
|
}
|
|
|
|
/****************************************************************************/
|
|
static void
|
|
t38_draw(void *tap_offset_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_t38_);
|
|
|
|
if (tapinfo->tap_draw && (tapinfo->redraw & REDRAW_T38)) {
|
|
tapinfo->tap_draw(tapinfo);
|
|
tapinfo->redraw &= ~REDRAW_T38;
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
void
|
|
t38_init_tap(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
GString *error_string;
|
|
|
|
error_string = register_tap_listener("t38", tap_base_to_id(tap_id_base, tap_id_offset_t38_), NULL,
|
|
0,
|
|
NULL,
|
|
t38_packet,
|
|
t38_draw,
|
|
NULL
|
|
);
|
|
if (error_string != NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"%s", error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
void
|
|
remove_tap_listener_t38(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
remove_tap_listener(tap_base_to_id(tap_id_base, tap_id_offset_t38_));
|
|
}
|
|
|
|
|
|
/****************************************************************************/
|
|
/* ***************************TAP for SIP **********************************/
|
|
/****************************************************************************/
|
|
|
|
static void
|
|
free_sip_info(gpointer p) {
|
|
sip_calls_info_t *si = (sip_calls_info_t *)p;
|
|
|
|
g_free(si->call_identifier);
|
|
g_free(si);
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* whenever a SIP packet is seen by the tap listener */
|
|
static tap_packet_status
|
|
sip_calls_packet(void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *edt , const void *SIPinfo)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_sip_);
|
|
/* we just take note of the ISUP data here; when we receive the MTP3 part everything will
|
|
be compared with existing calls */
|
|
|
|
voip_calls_info_t *callsinfo = NULL;
|
|
sip_calls_info_t *tmp_sipinfo = NULL;
|
|
address tmp_src, tmp_dst;
|
|
gchar *frame_label = NULL;
|
|
gchar *comment = NULL;
|
|
gchar *old_comment = NULL;
|
|
gchar *key = NULL;
|
|
|
|
const sip_info_value_t *pi = (const sip_info_value_t *)SIPinfo;
|
|
|
|
tapinfo->sip_frame_num = pinfo->num;
|
|
|
|
/* do not consider packets without call_id */
|
|
if (pi->tap_call_id ==NULL) {
|
|
return TAP_PACKET_DONT_REDRAW;
|
|
}
|
|
key=pi->tap_call_id;
|
|
/* init the hash table */
|
|
if(NULL==tapinfo->callsinfo_hashtable[SIP_HASH]) {
|
|
/* TODO: check how efficient g_str_hash is for sip call ids */
|
|
tapinfo->callsinfo_hashtable[SIP_HASH]=g_hash_table_new_full(g_str_hash,
|
|
g_str_equal,
|
|
NULL, /* key_destroy_func */
|
|
NULL);/* value_destroy_func */
|
|
}
|
|
/* search the call information in the SIP_HASH */
|
|
callsinfo = (voip_calls_info_t *)g_hash_table_lookup(tapinfo->callsinfo_hashtable[SIP_HASH], key);
|
|
|
|
/* Create a new flow entry if the message is INVITE in case of FLOW_ONLY_INVITES,
|
|
Create a new flow entry for all messages which have a method in case of FLOW_ALL.
|
|
Flows for REGISTER, OPTIONS, MESSAGE and other SIP methods can be seen. */
|
|
|
|
if ((callsinfo==NULL) && (pi->request_method!=NULL)) {
|
|
|
|
/* check VoIPcalls_get_flow_show_option() == FLOW_ALL or FLOW_ONLY_INVITES */
|
|
|
|
if (tapinfo->fs_option == FLOW_ALL ||
|
|
(tapinfo->fs_option == FLOW_ONLY_INVITES &&
|
|
strcmp(pi->request_method,"INVITE")==0)) {
|
|
callsinfo = (voip_calls_info_t *)g_malloc0(sizeof(voip_calls_info_t));
|
|
callsinfo->call_active_state = VOIP_ACTIVE;
|
|
callsinfo->call_state = VOIP_CALL_SETUP;
|
|
callsinfo->from_identity=g_strdup(pi->tap_from_addr);
|
|
callsinfo->to_identity=g_strdup(pi->tap_to_addr);
|
|
copy_address(&(callsinfo->initial_speaker),&(pinfo->src));
|
|
callsinfo->start_fd=pinfo->fd;
|
|
callsinfo->start_rel_ts=pinfo->rel_ts;
|
|
callsinfo->protocol=VOIP_SIP;
|
|
callsinfo->prot_info=g_malloc(sizeof(sip_calls_info_t));
|
|
callsinfo->free_prot_info = free_sip_info;
|
|
callsinfo->call_id = g_strdup(pi->tap_call_id);
|
|
tmp_sipinfo = (sip_calls_info_t *)callsinfo->prot_info;
|
|
tmp_sipinfo->call_identifier = g_strdup(pi->tap_call_id);
|
|
tmp_sipinfo->sip_state = SIP_INVITE_SENT;
|
|
tmp_sipinfo->invite_cseq = pi->tap_cseq_number;
|
|
callsinfo->npackets = 0;
|
|
callsinfo->call_num = tapinfo->ncalls++;
|
|
|
|
/* show method in comment in conversation list dialog, user can discern different conversation types */
|
|
callsinfo->call_comment=g_strdup(pi->request_method);
|
|
|
|
g_queue_push_tail(tapinfo->callsinfos, callsinfo);
|
|
/* insert the call information in the SIP_HASH */
|
|
g_hash_table_insert(tapinfo->callsinfo_hashtable[SIP_HASH],
|
|
tmp_sipinfo->call_identifier, callsinfo);
|
|
}
|
|
}
|
|
|
|
if (callsinfo != NULL) {
|
|
tmp_sipinfo = (sip_calls_info_t *)callsinfo->prot_info;
|
|
|
|
/* let's analyze the call state */
|
|
|
|
copy_address(&(tmp_src), &(pinfo->src));
|
|
copy_address(&(tmp_dst), &(pinfo->dst));
|
|
|
|
if (pi->request_method == NULL) {
|
|
frame_label = g_strdup_printf("%u %s", pi->response_code, pi->reason_phrase );
|
|
comment = g_strdup_printf("SIP Status %u %s", pi->response_code, pi->reason_phrase );
|
|
|
|
if ((tmp_sipinfo && pi->tap_cseq_number == tmp_sipinfo->invite_cseq)&&(addresses_equal(&tmp_dst,&(callsinfo->initial_speaker)))) {
|
|
if ((pi->response_code > 199) && (pi->response_code<300) && (tmp_sipinfo->sip_state == SIP_INVITE_SENT)) {
|
|
tmp_sipinfo->sip_state = SIP_200_REC;
|
|
}
|
|
else if ((pi->response_code>299)&&(tmp_sipinfo->sip_state == SIP_INVITE_SENT)) {
|
|
callsinfo->call_state = VOIP_REJECTED;
|
|
tapinfo->rejected_calls++;
|
|
}
|
|
|
|
/* UPDATE comment in conversation list dialog with response code and reason.
|
|
Multiple code(+reason) may be appended, so skip over intermediate codes (100 trying, 183 ringing, e.t.c.)
|
|
TODO: is useful but not perfect, what is appended is truncated when displayed in dialog window */
|
|
if (pi->response_code >= 200) {
|
|
old_comment = callsinfo->call_comment;
|
|
callsinfo->call_comment=g_strdup_printf("%s %u",
|
|
callsinfo->call_comment,
|
|
pi->response_code/*, pi->reason_phrase*/);
|
|
|
|
g_free(old_comment);
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
else {
|
|
frame_label = g_strdup(pi->request_method);
|
|
|
|
if ((strcmp(pi->request_method,"INVITE")==0)&&(addresses_equal(&tmp_src,&(callsinfo->initial_speaker)))) {
|
|
tmp_sipinfo->invite_cseq = pi->tap_cseq_number;
|
|
callsinfo->call_state = VOIP_CALL_SETUP;
|
|
/* TODO: sometimes truncated when displayed in dialog window */
|
|
comment = g_strdup_printf("SIP INVITE From: %s To:%s Call-ID:%s CSeq:%d",
|
|
callsinfo->from_identity, callsinfo->to_identity,
|
|
callsinfo->call_id, pi->tap_cseq_number);
|
|
}
|
|
else if ((strcmp(pi->request_method,"ACK")==0)&&(pi->tap_cseq_number == tmp_sipinfo->invite_cseq)
|
|
&&(addresses_equal(&tmp_src,&(callsinfo->initial_speaker)))&&(tmp_sipinfo->sip_state==SIP_200_REC)
|
|
&&(callsinfo->call_state == VOIP_CALL_SETUP)) {
|
|
callsinfo->call_state = VOIP_IN_CALL;
|
|
comment = g_strdup_printf("SIP Request INVITE ACK 200 CSeq:%d", pi->tap_cseq_number);
|
|
}
|
|
else if (strcmp(pi->request_method,"BYE")==0) {
|
|
callsinfo->call_state = VOIP_COMPLETED;
|
|
tapinfo->completed_calls++;
|
|
comment = g_strdup_printf("SIP Request BYE CSeq:%d", pi->tap_cseq_number);
|
|
}
|
|
else if ((strcmp(pi->request_method,"CANCEL")==0)&&(pi->tap_cseq_number == tmp_sipinfo->invite_cseq)
|
|
&&(addresses_equal(&tmp_src,&(callsinfo->initial_speaker)))&&(callsinfo->call_state==VOIP_CALL_SETUP)) {
|
|
callsinfo->call_state = VOIP_CANCELLED;
|
|
tmp_sipinfo->sip_state = SIP_CANCEL_SENT;
|
|
comment = g_strdup_printf("SIP Request CANCEL CSeq:%d", pi->tap_cseq_number);
|
|
} else {
|
|
/* comment = g_strdup_printf("SIP %s", pi->request_method); */
|
|
comment = g_strdup_printf("SIP %s From: %s To:%s CSeq:%d",
|
|
pi->request_method,
|
|
callsinfo->from_identity,
|
|
callsinfo->to_identity, pi->tap_cseq_number);
|
|
}
|
|
}
|
|
|
|
callsinfo->stop_fd = pinfo->fd;
|
|
callsinfo->stop_rel_ts = pinfo->rel_ts;
|
|
++(callsinfo->npackets);
|
|
/* increment the packets counter of all calls */
|
|
++(tapinfo->npackets);
|
|
|
|
/* add to the graph */
|
|
add_to_graph(tapinfo, pinfo, edt, frame_label, comment, callsinfo->call_num, &(pinfo->src), &(pinfo->dst), 1);
|
|
g_free(comment);
|
|
g_free(frame_label);
|
|
free_address(&tmp_src);
|
|
free_address(&tmp_dst);
|
|
|
|
/* add SDP info if apply */
|
|
if ( (tapinfo->sdp_summary != NULL) && (tapinfo->sdp_frame_num == pinfo->num) ) {
|
|
append_to_frame_graph(tapinfo, pinfo->num, tapinfo->sdp_summary, NULL);
|
|
g_free(tapinfo->sdp_summary);
|
|
tapinfo->sdp_summary = NULL;
|
|
}
|
|
|
|
}
|
|
|
|
tapinfo->redraw |= REDRAW_SIP;
|
|
|
|
return TAP_PACKET_REDRAW; /* refresh output */
|
|
}
|
|
|
|
/****************************************************************************/
|
|
static void
|
|
sip_calls_draw(void *tap_offset_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_sip_);
|
|
|
|
if (tapinfo->tap_draw && (tapinfo->redraw & REDRAW_SIP)) {
|
|
tapinfo->tap_draw(tapinfo);
|
|
tapinfo->redraw &= ~REDRAW_SIP;
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* TAP INTERFACE */
|
|
/****************************************************************************/
|
|
|
|
void
|
|
sip_calls_init_tap(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
GString *error_string;
|
|
|
|
error_string = register_tap_listener("sip", tap_base_to_id(tap_id_base, tap_id_offset_sip_), NULL,
|
|
0,
|
|
NULL,
|
|
sip_calls_packet,
|
|
sip_calls_draw,
|
|
NULL
|
|
);
|
|
if (error_string != NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"%s", error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
void
|
|
remove_tap_listener_sip_calls(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
remove_tap_listener(tap_base_to_id(tap_id_base, tap_id_offset_sip_));
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* ***************************TAP for ISUP **********************************/
|
|
/****************************************************************************/
|
|
|
|
/****************************************************************************/
|
|
/* whenever a isup_ packet is seen by the tap listener */
|
|
static tap_packet_status
|
|
isup_calls_packet(void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *edt, const void *isup_info)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_isup_);
|
|
voip_calls_info_t *tmp_listinfo;
|
|
voip_calls_info_t *callsinfo = NULL;
|
|
isup_calls_info_t *tmp_isupinfo;
|
|
gboolean found = FALSE;
|
|
gboolean forward = FALSE;
|
|
gboolean right_pair;
|
|
GList *list;
|
|
gchar *frame_label = NULL;
|
|
gchar *comment = NULL;
|
|
|
|
const isup_tap_rec_t *pi = (const isup_tap_rec_t *)isup_info;
|
|
|
|
/* check if the lower layer is MTP matching the frame number */
|
|
if (tapinfo->mtp3_frame_num != pinfo->num)
|
|
return TAP_PACKET_DONT_REDRAW;
|
|
|
|
/* check whether we already have a call with these parameters in the list */
|
|
list = g_queue_peek_nth_link(tapinfo->callsinfos, 0);
|
|
while (list)
|
|
{
|
|
right_pair = TRUE;
|
|
tmp_listinfo=(voip_calls_info_t *)list->data;
|
|
if ((tmp_listinfo->protocol == VOIP_ISUP)&&(tmp_listinfo->call_active_state==VOIP_ACTIVE)) {
|
|
tmp_isupinfo = (isup_calls_info_t *)tmp_listinfo->prot_info;
|
|
if ((tmp_isupinfo->cic == pi->circuit_id)&&(tmp_isupinfo->ni == tapinfo->mtp3_ni)) {
|
|
if ((tmp_isupinfo->opc == tapinfo->mtp3_opc)&&(tmp_isupinfo->dpc == tapinfo->mtp3_dpc)) {
|
|
forward = TRUE;
|
|
} else if ((tmp_isupinfo->dpc == tapinfo->mtp3_opc)&&(tmp_isupinfo->opc == tapinfo->mtp3_dpc)) {
|
|
forward = FALSE;
|
|
} else {
|
|
right_pair = FALSE;
|
|
}
|
|
|
|
if (right_pair) {
|
|
/* if there is an IAM for a call that is not in setup state, that means the previous call in the same
|
|
cic is no longer active */
|
|
if (tmp_listinfo->call_state == VOIP_CALL_SETUP) {
|
|
found = TRUE;
|
|
} else if (pi->message_type != 1) {
|
|
found = TRUE;
|
|
} else {
|
|
tmp_listinfo->call_active_state=VOIP_INACTIVE;
|
|
}
|
|
}
|
|
|
|
if (found) {
|
|
callsinfo = (voip_calls_info_t*)(list->data);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
list = g_list_next (list);
|
|
}
|
|
|
|
/* not in the list? then create a new entry if the message is IAM
|
|
-i.e. if this session is a call*/
|
|
|
|
if ((callsinfo==NULL) &&(pi->message_type==1)) {
|
|
callsinfo = (voip_calls_info_t *)g_malloc0(sizeof(voip_calls_info_t));
|
|
callsinfo->call_active_state = VOIP_ACTIVE;
|
|
callsinfo->call_state = VOIP_UNKNOWN;
|
|
copy_address(&(callsinfo->initial_speaker),&(pinfo->src));
|
|
callsinfo->start_fd = pinfo->fd;
|
|
callsinfo->start_rel_ts = pinfo->rel_ts;
|
|
callsinfo->protocol = VOIP_ISUP;
|
|
callsinfo->from_identity = g_strdup(pi->calling_number);
|
|
callsinfo->to_identity = g_strdup(pi->called_number);
|
|
callsinfo->prot_info = g_malloc(sizeof(isup_calls_info_t));
|
|
callsinfo->free_prot_info = g_free;
|
|
tmp_isupinfo = (isup_calls_info_t *)callsinfo->prot_info;
|
|
tmp_isupinfo->opc = tapinfo->mtp3_opc;
|
|
tmp_isupinfo->dpc = tapinfo->mtp3_dpc;
|
|
tmp_isupinfo->ni = tapinfo->mtp3_ni;
|
|
tmp_isupinfo->cic = pi->circuit_id;
|
|
callsinfo->npackets = 0;
|
|
callsinfo->call_num = tapinfo->ncalls++;
|
|
g_queue_push_tail(tapinfo->callsinfos, callsinfo);
|
|
}
|
|
|
|
|
|
if (callsinfo!=NULL) {
|
|
callsinfo->stop_fd = pinfo->fd;
|
|
callsinfo->stop_rel_ts = pinfo->rel_ts;
|
|
++(callsinfo->npackets);
|
|
|
|
/* Let's analyze the call state */
|
|
|
|
frame_label = g_strdup(val_to_str_ext_const(pi->message_type, &isup_message_type_value_acro_ext, "Unknown"));
|
|
|
|
if (callsinfo->npackets == 1) { /* this is the first packet, that must be an IAM */
|
|
|
|
if ((pi->calling_number!=NULL)&&(pi->called_number !=NULL)) {
|
|
comment = g_strdup_printf("Call from %s to %s",
|
|
pi->calling_number, pi->called_number);
|
|
}
|
|
} else if (callsinfo->npackets == 2) { /* in the second packet we show the SPs */
|
|
if (forward) {
|
|
comment = g_strdup_printf("%i-%i -> %i-%i. Cic:%i",
|
|
tapinfo->mtp3_ni, tapinfo->mtp3_opc,
|
|
tapinfo->mtp3_ni, tapinfo->mtp3_dpc, pi->circuit_id);
|
|
} else {
|
|
comment = g_strdup_printf("%i-%i -> %i-%i. Cic:%i",
|
|
tapinfo->mtp3_ni, tapinfo->mtp3_dpc,
|
|
tapinfo->mtp3_ni, tapinfo->mtp3_opc, pi->circuit_id);
|
|
}
|
|
}
|
|
|
|
switch(pi->message_type) {
|
|
case 1: /* IAM */
|
|
callsinfo->call_state=VOIP_CALL_SETUP;
|
|
break;
|
|
case 7: /* CONNECT */
|
|
case 9: /* ANSWER */
|
|
callsinfo->call_state=VOIP_IN_CALL;
|
|
break;
|
|
case 12: /* RELEASE */
|
|
if (callsinfo->call_state==VOIP_CALL_SETUP) {
|
|
if (forward) {
|
|
callsinfo->call_state=VOIP_CANCELLED;
|
|
}
|
|
else {
|
|
callsinfo->call_state=VOIP_REJECTED;
|
|
tapinfo->rejected_calls++;
|
|
}
|
|
}
|
|
else if (callsinfo->call_state == VOIP_IN_CALL) {
|
|
callsinfo->call_state = VOIP_COMPLETED;
|
|
tapinfo->completed_calls++;
|
|
}
|
|
comment = g_strdup_printf("Cause %i - %s",
|
|
pi->cause_value,
|
|
val_to_str_ext_const(pi->cause_value, &q931_cause_code_vals_ext, "(Unknown)"));
|
|
break;
|
|
}
|
|
|
|
/* increment the packets counter of all calls */
|
|
++(tapinfo->npackets);
|
|
|
|
/* add to the graph */
|
|
add_to_graph(tapinfo, pinfo, edt, frame_label, comment, callsinfo->call_num, &(pinfo->src), &(pinfo->dst), 1);
|
|
g_free(comment);
|
|
g_free(frame_label);
|
|
}
|
|
|
|
tapinfo->redraw |= REDRAW_ISUP;
|
|
|
|
return TAP_PACKET_REDRAW; /* refresh output */
|
|
}
|
|
|
|
/****************************************************************************/
|
|
static void
|
|
isup_calls_draw(void *tap_offset_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_isup_);
|
|
|
|
if (tapinfo->tap_draw && (tapinfo->redraw & REDRAW_ISUP)) {
|
|
tapinfo->tap_draw(tapinfo);
|
|
tapinfo->redraw &= ~REDRAW_ISUP;
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
|
|
void
|
|
isup_calls_init_tap(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
GString *error_string;
|
|
|
|
error_string = register_tap_listener("isup", tap_base_to_id(tap_id_base, tap_id_offset_isup_),
|
|
NULL,
|
|
0,
|
|
NULL,
|
|
isup_calls_packet,
|
|
isup_calls_draw,
|
|
NULL
|
|
);
|
|
|
|
if (error_string != NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"%s", error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
|
|
void
|
|
remove_tap_listener_isup_calls(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
remove_tap_listener(tap_base_to_id(tap_id_base, tap_id_offset_isup_));
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* ***************************TAP for MTP3 **********************************/
|
|
/****************************************************************************/
|
|
|
|
|
|
/****************************************************************************/
|
|
/* whenever a mtp3_ packet is seen by the tap listener */
|
|
static tap_packet_status
|
|
mtp3_calls_packet(void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *edt _U_, const void *mtp3_info)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_mtp3_);
|
|
const mtp3_tap_rec_t *pi = (const mtp3_tap_rec_t *)mtp3_info;
|
|
|
|
/* keep the data in memory to use when the ISUP information arrives */
|
|
|
|
tapinfo->mtp3_opc = pi->addr_opc.pc;
|
|
tapinfo->mtp3_dpc = pi->addr_dpc.pc;
|
|
tapinfo->mtp3_ni = pi->addr_opc.ni;
|
|
tapinfo->mtp3_frame_num = pinfo->num;
|
|
|
|
return TAP_PACKET_DONT_REDRAW;
|
|
}
|
|
|
|
static tap_packet_status
|
|
m3ua_calls_packet(void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *edt _U_, const void *mtp3_info)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_m3ua_);
|
|
const mtp3_tap_rec_t *pi = (const mtp3_tap_rec_t *)mtp3_info;
|
|
|
|
/* keep the data in memory to use when the ISUP information arrives */
|
|
|
|
tapinfo->mtp3_opc = pi->addr_opc.pc;
|
|
tapinfo->mtp3_dpc = pi->addr_dpc.pc;
|
|
tapinfo->mtp3_ni = pi->addr_opc.ni;
|
|
tapinfo->mtp3_frame_num = pinfo->num;
|
|
|
|
return TAP_PACKET_DONT_REDRAW;
|
|
}
|
|
|
|
/****************************************************************************/
|
|
|
|
void
|
|
mtp3_calls_init_tap(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
GString *error_string;
|
|
|
|
error_string = register_tap_listener("mtp3", tap_base_to_id(tap_id_base, tap_id_offset_mtp3_),
|
|
NULL,
|
|
0,
|
|
NULL,
|
|
mtp3_calls_packet,
|
|
NULL,
|
|
NULL
|
|
);
|
|
|
|
if (error_string != NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"%s", error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
}
|
|
|
|
error_string = register_tap_listener("m3ua", tap_base_to_id(tap_id_base, tap_id_offset_m3ua_),
|
|
NULL,
|
|
0,
|
|
NULL,
|
|
m3ua_calls_packet,
|
|
NULL,
|
|
NULL
|
|
);
|
|
|
|
if (error_string != NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"%s", error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
}
|
|
|
|
}
|
|
|
|
/****************************************************************************/
|
|
|
|
void
|
|
remove_tap_listener_mtp3_calls(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
remove_tap_listener(tap_base_to_id(tap_id_base, tap_id_offset_mtp3_));
|
|
remove_tap_listener(tap_base_to_id(tap_id_base, tap_id_offset_m3ua_));
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* ***************************TAP for Q931 **********************************/
|
|
/****************************************************************************/
|
|
static void h245_add_to_graph(voip_calls_tapinfo_t *tapinfo, guint32 new_frame_num);
|
|
static const e_guid_t guid_allzero = {0, 0, 0, { 0, 0, 0, 0, 0, 0, 0, 0 } };
|
|
/* defines specific H323 data */
|
|
|
|
/****************************************************************************/
|
|
/* whenever a q931_ packet is seen by the tap listener */
|
|
static tap_packet_status
|
|
q931_calls_packet(void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *edt, const void *q931_info)
|
|
{
|
|
GList *list,*list2;
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_q931_);
|
|
h323_calls_info_t *tmp_h323info,*tmp2_h323info;
|
|
actrace_isdn_calls_info_t *tmp_actrace_isdn_info;
|
|
voip_calls_info_t *tmp_listinfo;
|
|
voip_calls_info_t *callsinfo = NULL;
|
|
h245_address_t *h245_add = NULL;
|
|
gchar *comment, *tmp_str;
|
|
|
|
const q931_packet_info *pi = (const q931_packet_info *)q931_info;
|
|
|
|
/* free previously allocated q931_calling/ed_number */
|
|
g_free(tapinfo->q931_calling_number);
|
|
g_free(tapinfo->q931_called_number);
|
|
|
|
if (pi->calling_number!=NULL)
|
|
tapinfo->q931_calling_number = g_strdup(pi->calling_number);
|
|
else
|
|
tapinfo->q931_calling_number = g_strdup("");
|
|
|
|
if (pi->called_number!=NULL)
|
|
tapinfo->q931_called_number = g_strdup(pi->called_number);
|
|
else
|
|
tapinfo->q931_called_number = g_strdup("");
|
|
tapinfo->q931_cause_value = pi->cause_value;
|
|
tapinfo->q931_frame_num = pinfo->num;
|
|
tapinfo->q931_crv = pi->crv;
|
|
|
|
|
|
/* add staff to H323 calls */
|
|
if (tapinfo->h225_frame_num == tapinfo->q931_frame_num) {
|
|
tmp_h323info = NULL;
|
|
list = g_queue_peek_nth_link(tapinfo->callsinfos, 0);
|
|
while (list)
|
|
{
|
|
tmp_listinfo=(voip_calls_info_t *)list->data;
|
|
if ( (tmp_listinfo->protocol == VOIP_H323) && (tmp_listinfo->call_num == tapinfo->h225_call_num) ) {
|
|
tmp_h323info = (h323_calls_info_t *)tmp_listinfo->prot_info;
|
|
callsinfo = (voip_calls_info_t*)(list->data);
|
|
|
|
/* Add the CRV to the h323 call */
|
|
if (tmp_h323info->q931_crv == -1) {
|
|
tmp_h323info->q931_crv = tapinfo->q931_crv;
|
|
} else if (tmp_h323info->q931_crv != tapinfo->q931_crv) {
|
|
tmp_h323info->q931_crv2 = tapinfo->q931_crv;
|
|
}
|
|
break;
|
|
}
|
|
list = g_list_next (list);
|
|
}
|
|
|
|
if (callsinfo != NULL) {
|
|
comment = NULL;
|
|
if (tapinfo->h225_cstype == H225_SETUP) {
|
|
/* set te calling and called number from the Q931 packet */
|
|
if (tapinfo->q931_calling_number != NULL) {
|
|
g_free(callsinfo->from_identity);
|
|
callsinfo->from_identity=g_strdup(tapinfo->q931_calling_number);
|
|
}
|
|
if (tapinfo->q931_called_number != NULL) {
|
|
g_free(callsinfo->to_identity);
|
|
callsinfo->to_identity=g_strdup(tapinfo->q931_called_number);
|
|
}
|
|
|
|
/* check if there is an LRQ/LCF that match this Setup */
|
|
/* TODO: we are just checking the DialedNumer in LRQ/LCF against the Setup
|
|
we should also check if the h225 signaling IP and port match the destination
|
|
Setup ip and port */
|
|
list = g_queue_peek_nth_link(tapinfo->callsinfos, 0);
|
|
while (list)
|
|
{
|
|
tmp_listinfo=(voip_calls_info_t *)list->data;
|
|
if (tmp_listinfo->protocol == VOIP_H323) {
|
|
tmp2_h323info = (h323_calls_info_t *)tmp_listinfo->prot_info;
|
|
|
|
/* check if the called number match a LRQ/LCF */
|
|
if ( (strcmp(callsinfo->to_identity, tmp_listinfo->to_identity)==0)
|
|
&& (memcmp(tmp2_h323info->guid, &guid_allzero, GUID_LEN) == 0) ) {
|
|
/* change the call graph to the LRQ/LCF to belong to this call */
|
|
callsinfo->npackets += change_call_num_graph(tapinfo, tmp_listinfo->call_num, callsinfo->call_num);
|
|
|
|
/* remove this LRQ/LCF call entry because we have found the Setup that match them */
|
|
g_free(tmp_listinfo->from_identity);
|
|
g_free(tmp_listinfo->to_identity);
|
|
DUMP_PTR2(tmp2_h323info->guid);
|
|
g_free(tmp2_h323info->guid);
|
|
|
|
list2 = g_list_first(tmp2_h323info->h245_list);
|
|
while (list2)
|
|
{
|
|
h245_add=(h245_address_t *)list2->data;
|
|
free_address(&h245_add->h245_address);
|
|
g_free(list2->data);
|
|
list2 = g_list_next(list2);
|
|
}
|
|
g_list_free(tmp_h323info->h245_list);
|
|
tmp_h323info->h245_list = NULL;
|
|
g_free(tmp_listinfo->prot_info);
|
|
g_queue_unlink(tapinfo->callsinfos, list);
|
|
break;
|
|
}
|
|
}
|
|
list = g_list_next (list);
|
|
}
|
|
|
|
comment = g_strdup_printf("H225 From: %s To:%s TunnH245:%s FS:%s", callsinfo->from_identity, callsinfo->to_identity, (tmp_h323info->is_h245Tunneling==TRUE?"on":"off"),
|
|
(tapinfo->h225_is_faststart==TRUE?"on":"off"));
|
|
} else if (tapinfo->h225_cstype == H225_RELEASE_COMPLET) {
|
|
/* get the Q931 Release cause code */
|
|
if (tapinfo->q931_cause_value != 0xFF) {
|
|
comment = g_strdup_printf("H225 Q931 Rel Cause (%i):%s", tapinfo->q931_cause_value,
|
|
val_to_str_ext_const(tapinfo->q931_cause_value, &q931_cause_code_vals_ext, "<unknown>"));
|
|
} else { /* Cause not set */
|
|
comment = g_strdup("H225 No Q931 Rel Cause");
|
|
}
|
|
}
|
|
/* change the graph comment for this new one */
|
|
if (comment != NULL) {
|
|
change_frame_graph(tapinfo, tapinfo->h225_frame_num, NULL, comment);
|
|
g_free(comment);
|
|
}
|
|
}
|
|
/* we reset the h225_frame_num to 0 because there could be empty h225 in the same frame
|
|
as non empty h225 (e.g connect), so we don't have to be here twice */
|
|
tapinfo->h225_frame_num = 0;
|
|
|
|
/* add staff to H245 */
|
|
} else if (tapinfo->h245_labels->frame_num == tapinfo->q931_frame_num) {
|
|
/* there are empty H225 frames that don't have guid (guaid=0) but they have h245 info,
|
|
so the only way to match those frames is with the Q931 CRV number */
|
|
list = g_queue_peek_nth_link(tapinfo->callsinfos, 0);
|
|
while (list)
|
|
{
|
|
tmp_listinfo=(voip_calls_info_t *)list->data;
|
|
if (tmp_listinfo->protocol == VOIP_H323) {
|
|
tmp_h323info = (h323_calls_info_t *)tmp_listinfo->prot_info;
|
|
if ( ((tmp_h323info->q931_crv == tapinfo->q931_crv) || (tmp_h323info->q931_crv2 == tapinfo->q931_crv)) && (tapinfo->q931_crv!=-1)) {
|
|
/* if the frame number exists in graph, append to it*/
|
|
if (!append_to_frame_graph(tapinfo, tapinfo->q931_frame_num, NULL, NULL)) {
|
|
/* if not exist, add to the graph */
|
|
add_to_graph(tapinfo, pinfo, edt, NULL, NULL, tmp_listinfo->call_num, &(pinfo->src), &(pinfo->dst), 1);
|
|
++(tmp_listinfo->npackets);
|
|
/* increment the packets counter of all calls */
|
|
++(tapinfo->npackets);
|
|
}
|
|
|
|
/* Add the H245 info if exists to the Graph */
|
|
h245_add_to_graph(tapinfo, pinfo->num);
|
|
break;
|
|
}
|
|
}
|
|
list = g_list_next (list);
|
|
}
|
|
/* SIP-Q */
|
|
} else if (tapinfo->sip_frame_num == tapinfo->q931_frame_num) {
|
|
/* Do nothing for now */
|
|
/* add stuff to ACTRACE */
|
|
} else {
|
|
address pstn_add;
|
|
|
|
comment = NULL;
|
|
callsinfo = NULL;
|
|
list = g_queue_peek_nth_link(tapinfo->callsinfos, 0);
|
|
while (list)
|
|
{
|
|
tmp_listinfo=(voip_calls_info_t *)list->data;
|
|
if ( tmp_listinfo->protocol == VOIP_AC_ISDN ) {
|
|
tmp_actrace_isdn_info = (actrace_isdn_calls_info_t *)tmp_listinfo->prot_info;
|
|
/* TODO: Also check the IP of the Blade, and if the call is complete (no active) */
|
|
if ( (tmp_actrace_isdn_info->crv == tapinfo->q931_crv) && (tmp_actrace_isdn_info->trunk == tapinfo->actrace_trunk) ) {
|
|
callsinfo = (voip_calls_info_t*)(list->data);
|
|
break;
|
|
}
|
|
}
|
|
list = g_list_next (list);
|
|
}
|
|
|
|
set_address(&pstn_add, AT_STRINGZ, 5, g_strdup("PSTN"));
|
|
|
|
/* if it is a new call, add it to the list */
|
|
if (!callsinfo) {
|
|
callsinfo = (voip_calls_info_t *)g_malloc0(sizeof(voip_calls_info_t));
|
|
callsinfo->call_active_state = VOIP_ACTIVE;
|
|
callsinfo->call_state = VOIP_CALL_SETUP;
|
|
callsinfo->from_identity=g_strdup(tapinfo->q931_calling_number);
|
|
callsinfo->to_identity=g_strdup(tapinfo->q931_called_number);
|
|
copy_address(&(callsinfo->initial_speaker),tapinfo->actrace_direction?&pstn_add:&(pinfo->src));
|
|
callsinfo->start_fd=pinfo->fd;
|
|
callsinfo->start_rel_ts=pinfo->rel_ts;
|
|
callsinfo->protocol=VOIP_AC_ISDN;
|
|
callsinfo->prot_info=g_malloc(sizeof(actrace_isdn_calls_info_t));
|
|
callsinfo->free_prot_info = g_free;
|
|
tmp_actrace_isdn_info=(actrace_isdn_calls_info_t *)callsinfo->prot_info;
|
|
tmp_actrace_isdn_info->crv=tapinfo->q931_crv;
|
|
tmp_actrace_isdn_info->trunk=tapinfo->actrace_trunk;
|
|
callsinfo->npackets = 0;
|
|
callsinfo->call_num = tapinfo->ncalls++;
|
|
g_queue_push_tail(tapinfo->callsinfos, callsinfo);
|
|
}
|
|
|
|
callsinfo->stop_fd = pinfo->fd;
|
|
callsinfo->stop_rel_ts = pinfo->rel_ts;
|
|
++(callsinfo->npackets);
|
|
/* increment the packets counter of all calls */
|
|
++(tapinfo->npackets);
|
|
|
|
switch(pi->message_type) {
|
|
case Q931_SETUP:
|
|
comment = g_strdup_printf("AC_ISDN trunk:%u Calling: %s Called:%s", tapinfo->actrace_trunk, tapinfo->q931_calling_number, tapinfo->q931_called_number);
|
|
callsinfo->call_state=VOIP_CALL_SETUP;
|
|
break;
|
|
case Q931_CONNECT:
|
|
callsinfo->call_state=VOIP_IN_CALL;
|
|
break;
|
|
case Q931_RELEASE_COMPLETE:
|
|
case Q931_RELEASE:
|
|
case Q931_DISCONNECT:
|
|
if (callsinfo->call_state==VOIP_CALL_SETUP) {
|
|
if (addresses_equal(&(callsinfo->initial_speaker), tapinfo->actrace_direction?&pstn_add:&(pinfo->src) )) { /* forward direction */
|
|
callsinfo->call_state=VOIP_CANCELLED;
|
|
}
|
|
else { /* reverse */
|
|
callsinfo->call_state=VOIP_REJECTED;
|
|
tapinfo->rejected_calls++;
|
|
}
|
|
} else if ( (callsinfo->call_state!=VOIP_CANCELLED) && (callsinfo->call_state!=VOIP_REJECTED) ) {
|
|
callsinfo->call_state=VOIP_COMPLETED;
|
|
tapinfo->completed_calls++;
|
|
}
|
|
if (tapinfo->q931_cause_value != 0xFF) {
|
|
comment = g_strdup_printf("AC_ISDN trunk:%u Q931 Rel Cause (%i):%s", tapinfo->actrace_trunk, tapinfo->q931_cause_value,
|
|
val_to_str_ext_const(tapinfo->q931_cause_value, &q931_cause_code_vals_ext, "<unknown>"));
|
|
} else { /* Cause not set */
|
|
comment = g_strdup("AC_ISDN No Q931 Rel Cause");
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (!comment)
|
|
comment = g_strdup_printf("AC_ISDN trunk:%u", tapinfo->actrace_trunk );
|
|
|
|
tmp_str = val_to_str_wmem(NULL, pi->message_type, q931_message_type_vals, "<unknown (%d)>");
|
|
add_to_graph(tapinfo, pinfo, edt, tmp_str, comment, callsinfo->call_num,
|
|
tapinfo->actrace_direction?&pstn_add:&(pinfo->src),
|
|
tapinfo->actrace_direction?&(pinfo->src):&pstn_add,
|
|
1 );
|
|
wmem_free(NULL, tmp_str);
|
|
|
|
g_free(comment);
|
|
free_address(&pstn_add);
|
|
}
|
|
|
|
tapinfo->redraw |= REDRAW_Q931;
|
|
|
|
return TAP_PACKET_REDRAW; /* refresh output */
|
|
}
|
|
|
|
/****************************************************************************/
|
|
static void
|
|
q931_calls_draw(void *tap_offset_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_q931_);
|
|
|
|
if (tapinfo->tap_draw && (tapinfo->redraw & REDRAW_Q931)) {
|
|
tapinfo->tap_draw(tapinfo);
|
|
tapinfo->redraw &= ~REDRAW_Q931;
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
|
|
void
|
|
q931_calls_init_tap(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
GString *error_string;
|
|
|
|
error_string = register_tap_listener("q931", tap_base_to_id(tap_id_base, tap_id_offset_q931_),
|
|
NULL,
|
|
0,
|
|
NULL,
|
|
q931_calls_packet,
|
|
q931_calls_draw,
|
|
NULL
|
|
);
|
|
|
|
if (error_string != NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"%s", error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
|
|
void
|
|
remove_tap_listener_q931_calls(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
remove_tap_listener(tap_base_to_id(tap_id_base, tap_id_offset_q931_));
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/****************************TAP for H323 ***********************************/
|
|
/****************************************************************************/
|
|
|
|
static void
|
|
add_h245_Address(h323_calls_info_t *h323info, h245_address_t *h245_address)
|
|
{
|
|
h323info->h245_list = g_list_prepend(h323info->h245_list, h245_address);
|
|
}
|
|
|
|
|
|
static void
|
|
free_h225_info(gpointer p) {
|
|
h323_calls_info_t *tmp_h323info = (h323_calls_info_t *)p;
|
|
|
|
DUMP_PTR2(tmp_h323info->guid);
|
|
g_free(tmp_h323info->guid);
|
|
|
|
if (tmp_h323info->h245_list) {
|
|
GList *list2 = g_list_first(tmp_h323info->h245_list);
|
|
while (list2)
|
|
{
|
|
h245_address_t *h245_add=(h245_address_t *)list2->data;
|
|
free_address(&h245_add->h245_address);
|
|
g_free(list2->data);
|
|
list2 = g_list_next(list2);
|
|
}
|
|
|
|
g_list_free(tmp_h323info->h245_list);
|
|
|
|
}
|
|
|
|
g_free(p);
|
|
}
|
|
/****************************************************************************/
|
|
/* whenever a H225 packet is seen by the tap listener */
|
|
static tap_packet_status
|
|
h225_calls_packet(void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *edt, const void *H225info)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_h225_);
|
|
voip_calls_info_t *tmp_listinfo;
|
|
voip_calls_info_t *callsinfo = NULL;
|
|
h323_calls_info_t *tmp_h323info = NULL;
|
|
gchar *frame_label;
|
|
gchar *comment;
|
|
GList *list;
|
|
h245_address_t *h245_add = NULL;
|
|
|
|
const h225_packet_info *pi = (const h225_packet_info *)H225info;
|
|
|
|
/* if not guid and RAS and not LRQ, LCF or LRJ return because did not belong to a call */
|
|
/* OR, if not guid and is H225 return because doesn't belong to a call */
|
|
if ((memcmp(&pi->guid, &guid_allzero, GUID_LEN) == 0))
|
|
if ( ((pi->msg_type == H225_RAS) && ((pi->msg_tag < 18) || (pi->msg_tag > 20))) || (pi->msg_type != H225_RAS) )
|
|
return TAP_PACKET_DONT_REDRAW;
|
|
|
|
/* if it is RAS LCF or LRJ*/
|
|
if ( (pi->msg_type == H225_RAS) && ((pi->msg_tag == 19) || (pi->msg_tag == 20))) {
|
|
/* if the LCF/LRJ doesn't match to a LRQ, just return */
|
|
if (!pi->request_available) return TAP_PACKET_DONT_REDRAW;
|
|
|
|
/* check whether we already have a call with this request SeqNum */
|
|
list = g_queue_peek_nth_link(tapinfo->callsinfos, 0);
|
|
while (list)
|
|
{
|
|
tmp_listinfo=(voip_calls_info_t *)list->data;
|
|
g_assert(tmp_listinfo != NULL);
|
|
if (tmp_listinfo->protocol == VOIP_H323) {
|
|
tmp_h323info = (h323_calls_info_t *)tmp_listinfo->prot_info;
|
|
if (tmp_h323info->requestSeqNum == pi->requestSeqNum) {
|
|
callsinfo = (voip_calls_info_t*)(list->data);
|
|
break;
|
|
}
|
|
}
|
|
list = g_list_next (list);
|
|
}
|
|
} else {
|
|
/* check whether we already have a call with this guid in the list */
|
|
list = g_queue_peek_nth_link(tapinfo->callsinfos, 0);
|
|
while (list)
|
|
{
|
|
tmp_listinfo=(voip_calls_info_t *)list->data;
|
|
if (tmp_listinfo->protocol == VOIP_H323) {
|
|
tmp_h323info = (h323_calls_info_t *)tmp_listinfo->prot_info;
|
|
g_assert(tmp_h323info != NULL);
|
|
if ( (memcmp(tmp_h323info->guid, &guid_allzero, GUID_LEN) != 0) && (memcmp(tmp_h323info->guid, &pi->guid,GUID_LEN)==0) ) {
|
|
callsinfo = (voip_calls_info_t*)(list->data);
|
|
break;
|
|
}
|
|
}
|
|
list = g_list_next (list);
|
|
}
|
|
}
|
|
|
|
tapinfo->h225_cstype = pi->cs_type;
|
|
tapinfo->h225_is_faststart = pi->is_faststart;
|
|
|
|
/* not in the list? then create a new entry */
|
|
if (callsinfo==NULL) {
|
|
callsinfo = (voip_calls_info_t *)g_malloc0(sizeof(voip_calls_info_t));
|
|
callsinfo->call_active_state = VOIP_ACTIVE;
|
|
callsinfo->call_state = VOIP_UNKNOWN;
|
|
callsinfo->from_identity=g_strdup("");
|
|
callsinfo->to_identity=g_strdup("");
|
|
copy_address(&(callsinfo->initial_speaker),&(pinfo->src));
|
|
callsinfo->start_fd=pinfo->fd;
|
|
callsinfo->start_rel_ts=pinfo->rel_ts;
|
|
callsinfo->protocol=VOIP_H323;
|
|
callsinfo->prot_info=g_malloc(sizeof(h323_calls_info_t));
|
|
callsinfo->free_prot_info = free_h225_info;
|
|
|
|
tmp_h323info = (h323_calls_info_t *)callsinfo->prot_info;
|
|
g_assert(tmp_h323info != NULL);
|
|
tmp_h323info->guid = (e_guid_t *)g_memdup(&pi->guid, sizeof pi->guid);
|
|
DUMP_PTR1(tmp_h323info->guid);
|
|
|
|
clear_address(&tmp_h323info->h225SetupAddr);
|
|
tmp_h323info->h245_list = NULL;
|
|
tmp_h323info->is_faststart_Setup = FALSE;
|
|
tmp_h323info->is_faststart_Proc = FALSE;
|
|
tmp_h323info->is_h245Tunneling = FALSE;
|
|
tmp_h323info->is_h245 = FALSE;
|
|
tmp_h323info->q931_crv = -1;
|
|
tmp_h323info->q931_crv2 = -1;
|
|
tmp_h323info->requestSeqNum = 0;
|
|
callsinfo->call_num = tapinfo->ncalls++;
|
|
callsinfo->npackets = 0;
|
|
|
|
g_queue_push_tail(tapinfo->callsinfos, callsinfo);
|
|
}
|
|
|
|
tapinfo->h225_frame_num = pinfo->num;
|
|
tapinfo->h225_call_num = callsinfo->call_num;
|
|
|
|
/* let's analyze the call state */
|
|
|
|
callsinfo->stop_fd = pinfo->fd;
|
|
callsinfo->stop_rel_ts = pinfo->rel_ts;
|
|
++(callsinfo->npackets);
|
|
/* increment the packets counter of all calls */
|
|
++(tapinfo->npackets);
|
|
|
|
|
|
/* XXX: it is supposed to be initialized isn't it? */
|
|
g_assert(tmp_h323info != NULL);
|
|
|
|
/* change the status */
|
|
if (pi->msg_type == H225_CS) {
|
|
|
|
/* this is still IPv4 only, because the dissector is */
|
|
if (pi->is_h245 == TRUE) {
|
|
h245_add = (h245_address_t *)g_malloc(sizeof (h245_address_t));
|
|
alloc_address_wmem(NULL, &h245_add->h245_address, AT_IPv4, 4, &pi->h245_address);
|
|
h245_add->h245_port = pi->h245_port;
|
|
add_h245_Address(tmp_h323info, h245_add);
|
|
}
|
|
|
|
if (pi->cs_type != H225_RELEASE_COMPLET) tmp_h323info->is_h245Tunneling = pi->is_h245Tunneling;
|
|
|
|
frame_label = g_strdup(pi->frame_label);
|
|
|
|
switch(pi->cs_type) {
|
|
case H225_SETUP:
|
|
tmp_h323info->is_faststart_Setup = pi->is_faststart;
|
|
|
|
/* Set the Setup address if it was not set */
|
|
if (tmp_h323info->h225SetupAddr.type == AT_NONE)
|
|
copy_address(&(tmp_h323info->h225SetupAddr), &(pinfo->src));
|
|
callsinfo->call_state=VOIP_CALL_SETUP;
|
|
comment = g_strdup_printf("H225 TunnH245:%s FS:%s", (tmp_h323info->is_h245Tunneling==TRUE?"on":"off"),
|
|
(pi->is_faststart==TRUE?"on":"off"));
|
|
break;
|
|
case H225_CONNECT:
|
|
callsinfo->call_state=VOIP_IN_CALL;
|
|
if (pi->is_faststart == TRUE) tmp_h323info->is_faststart_Proc = TRUE;
|
|
comment = g_strdup_printf("H225 TunnH245:%s FS:%s", (tmp_h323info->is_h245Tunneling==TRUE?"on":"off"),
|
|
(pi->is_faststart==TRUE?"on":"off"));
|
|
break;
|
|
case H225_RELEASE_COMPLET:
|
|
if (callsinfo->call_state==VOIP_CALL_SETUP) {
|
|
if (addresses_equal(&(tmp_h323info->h225SetupAddr),&(pinfo->src))) { /* forward direction */
|
|
callsinfo->call_state=VOIP_CANCELLED;
|
|
}
|
|
else { /* reverse */
|
|
callsinfo->call_state=VOIP_REJECTED;
|
|
tapinfo->rejected_calls++;
|
|
}
|
|
} else {
|
|
callsinfo->call_state=VOIP_COMPLETED;
|
|
tapinfo->completed_calls++;
|
|
}
|
|
comment = g_strdup("H225 No Q931 Rel Cause");
|
|
break;
|
|
case H225_PROGRESS:
|
|
case H225_ALERTING:
|
|
case H225_CALL_PROCEDING:
|
|
if (pi->is_faststart == TRUE) tmp_h323info->is_faststart_Proc = TRUE;
|
|
comment = g_strdup_printf("H225 TunnH245:%s FS:%s", (tmp_h323info->is_h245Tunneling==TRUE?"on":"off"),
|
|
(pi->is_faststart==TRUE?"on":"off"));
|
|
break;
|
|
default:
|
|
comment = g_strdup_printf("H225 TunnH245:%s FS:%s", (tmp_h323info->is_h245Tunneling==TRUE?"on":"off"),
|
|
(pi->is_faststart==TRUE?"on":"off"));
|
|
|
|
}
|
|
}
|
|
else if (pi->msg_type == H225_RAS) {
|
|
switch(pi->msg_tag) {
|
|
case 18: /* LRQ */
|
|
if (!pi->is_duplicate) {
|
|
g_free(callsinfo->to_identity);
|
|
callsinfo->to_identity=g_strdup(pi->dialedDigits);
|
|
tmp_h323info->requestSeqNum = pi->requestSeqNum;
|
|
}
|
|
/* Fall Through */
|
|
case 19: /* LCF */
|
|
if (strlen(pi->dialedDigits))
|
|
comment = g_strdup_printf("H225 RAS dialedDigits: %s", pi->dialedDigits);
|
|
else
|
|
comment = g_strdup("H225 RAS");
|
|
break;
|
|
default:
|
|
comment = g_strdup("H225 RAS");
|
|
}
|
|
frame_label = g_strdup(val_to_str_const(pi->msg_tag, h225_RasMessage_vals, "<unknown>"));
|
|
} else {
|
|
frame_label = g_strdup("H225: Unknown");
|
|
comment = NULL;
|
|
}
|
|
|
|
/* add to graph analysis */
|
|
|
|
/* if the frame number exists in graph, append to it*/
|
|
if (!append_to_frame_graph(tapinfo, pinfo->num, pi->frame_label, comment)) {
|
|
/* if not exist, add to the graph */
|
|
add_to_graph(tapinfo, pinfo, edt, frame_label, comment, callsinfo->call_num, &(pinfo->src), &(pinfo->dst), 1);
|
|
}
|
|
|
|
/* Add the H245 info if exists to the Graph */
|
|
h245_add_to_graph(tapinfo, pinfo->num);
|
|
|
|
g_free(frame_label);
|
|
g_free(comment);
|
|
|
|
tapinfo->redraw |= REDRAW_H225;
|
|
|
|
return TAP_PACKET_REDRAW; /* refresh output */
|
|
}
|
|
|
|
/****************************************************************************/
|
|
static void
|
|
h225_calls_draw(void *tap_offset_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_h225_);
|
|
|
|
if (tapinfo->tap_draw && (tapinfo->redraw & REDRAW_H225)) {
|
|
tapinfo->tap_draw(tapinfo);
|
|
tapinfo->redraw &= ~REDRAW_H225;
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* TAP INTERFACE */
|
|
/****************************************************************************/
|
|
void
|
|
h225_calls_init_tap(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
GString *error_string;
|
|
|
|
error_string = register_tap_listener("h225", tap_base_to_id(tap_id_base, tap_id_offset_h225_), NULL,
|
|
0,
|
|
NULL,
|
|
h225_calls_packet,
|
|
h225_calls_draw,
|
|
NULL
|
|
);
|
|
|
|
if (error_string != NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"%s", error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
void
|
|
remove_tap_listener_h225_calls(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
remove_tap_listener(tap_base_to_id(tap_id_base, tap_id_offset_h225_));
|
|
}
|
|
|
|
/* Add the h245 label info to the graph */
|
|
void
|
|
h245_add_to_graph(voip_calls_tapinfo_t *tapinfo, guint32 new_frame_num)
|
|
{
|
|
gint8 n;
|
|
|
|
if (new_frame_num != tapinfo->h245_labels->frame_num) return;
|
|
|
|
for (n=0; n<tapinfo->h245_labels->labels_count; n++) {
|
|
append_to_frame_graph(tapinfo, new_frame_num, tapinfo->h245_labels->labels[n].frame_label, tapinfo->h245_labels->labels[n].comment);
|
|
g_free(tapinfo->h245_labels->labels[n].frame_label);
|
|
tapinfo->h245_labels->labels[n].frame_label = NULL;
|
|
g_free(tapinfo->h245_labels->labels[n].comment);
|
|
tapinfo->h245_labels->labels[n].comment = NULL;
|
|
}
|
|
tapinfo->h245_labels->frame_num = 0;
|
|
tapinfo->h245_labels->labels_count = 0;
|
|
}
|
|
|
|
/* free the h245_labels if the frame number is different */
|
|
static void
|
|
h245_free_labels(voip_calls_tapinfo_t *tapinfo, guint32 new_frame_num)
|
|
{
|
|
gint8 n;
|
|
|
|
if (new_frame_num == tapinfo->h245_labels->frame_num) return;
|
|
|
|
for (n=0; n<tapinfo->h245_labels->labels_count; n++) {
|
|
g_free(tapinfo->h245_labels->labels[n].frame_label);
|
|
tapinfo->h245_labels->labels[n].frame_label = NULL;
|
|
g_free(tapinfo->h245_labels->labels[n].comment);
|
|
tapinfo->h245_labels->labels[n].comment = NULL;
|
|
}
|
|
tapinfo->h245_labels->frame_num = 0;
|
|
tapinfo->h245_labels->labels_count = 0;
|
|
}
|
|
|
|
/* add the frame_label and comment to h245_labels and free the actual one if it is different frame num */
|
|
static void
|
|
h245_add_label(voip_calls_tapinfo_t *tapinfo, guint32 new_frame_num, const gchar *frame_label, const gchar *comment)
|
|
{
|
|
h245_free_labels(tapinfo, new_frame_num);
|
|
|
|
tapinfo->h245_labels->frame_num = new_frame_num;
|
|
tapinfo->h245_labels->labels[tapinfo->h245_labels->labels_count].frame_label = g_strdup(frame_label);
|
|
tapinfo->h245_labels->labels[tapinfo->h245_labels->labels_count].comment = g_strdup(comment);
|
|
|
|
if (tapinfo->h245_labels->labels_count < (H245_MAX-1))
|
|
tapinfo->h245_labels->labels_count++;
|
|
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* whenever a H245dg packet is seen by the tap listener (when H245 tunneling is ON) */
|
|
static tap_packet_status
|
|
h245dg_calls_packet(void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *edt, const void *H245info)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_h245dg_);
|
|
voip_calls_info_t *tmp_listinfo;
|
|
voip_calls_info_t *callsinfo = NULL;
|
|
h323_calls_info_t *tmp_h323info;
|
|
GList *list;
|
|
GList *list2;
|
|
h245_address_t *h245_add = NULL;
|
|
|
|
const h245_packet_info *pi = (const h245_packet_info *)H245info;
|
|
|
|
/* check if Tunneling is OFF and we have a call with this H245 add */
|
|
list = g_queue_peek_nth_link(tapinfo->callsinfos, 0);
|
|
while (list)
|
|
{
|
|
tmp_listinfo=(voip_calls_info_t *)list->data;
|
|
if (tmp_listinfo->protocol == VOIP_H323) {
|
|
tmp_h323info = (h323_calls_info_t *)tmp_listinfo->prot_info;
|
|
|
|
list2 = g_list_first(tmp_h323info->h245_list);
|
|
while (list2)
|
|
{
|
|
h245_add=(h245_address_t *)list2->data;
|
|
if ( (addresses_equal(&(h245_add->h245_address),&(pinfo->src)) && (h245_add->h245_port == pinfo->srcport))
|
|
|| (addresses_equal(&(h245_add->h245_address),&(pinfo->dst)) && (h245_add->h245_port == pinfo->destport)) ) {
|
|
callsinfo = (voip_calls_info_t*)(list->data);
|
|
|
|
++(callsinfo->npackets);
|
|
/* increment the packets counter of all calls */
|
|
++(tapinfo->npackets);
|
|
|
|
break;
|
|
}
|
|
list2 = g_list_next(list2);
|
|
}
|
|
if (callsinfo!=NULL) break;
|
|
}
|
|
list = g_list_next(list);
|
|
}
|
|
|
|
/* Tunnel is OFF, and we matched the h245 add so we add it to graph */
|
|
if (callsinfo!=NULL) {
|
|
++(callsinfo->npackets);
|
|
/* increment the packets counter of all calls */
|
|
++(tapinfo->npackets);
|
|
/* if the frame number exists in graph, append to it*/
|
|
if (!append_to_frame_graph(tapinfo, pinfo->num, pi->frame_label, pi->comment)) {
|
|
/* if not exist, add to the graph */
|
|
add_to_graph(tapinfo, pinfo, edt, pi->frame_label, pi->comment, callsinfo->call_num, &(pinfo->src), &(pinfo->dst), 1);
|
|
}
|
|
} else {
|
|
/* Tunnel is ON, so we save the label info to use it into h225 or q931 tap. OR may be
|
|
tunnel OFF but we did not matched the h245 add, in this case nobady will set this label
|
|
since the frame_num will not match */
|
|
|
|
h245_add_label(tapinfo, pinfo->num, pi->frame_label, pi->comment);
|
|
}
|
|
|
|
tapinfo->redraw |= REDRAW_H245DG;
|
|
|
|
return TAP_PACKET_REDRAW; /* refresh output */
|
|
}
|
|
|
|
/****************************************************************************/
|
|
static void
|
|
h245dg_calls_draw(void *tap_offset_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_h245dg_);
|
|
|
|
if (tapinfo->tap_draw && (tapinfo->redraw & REDRAW_H245DG)) {
|
|
tapinfo->tap_draw(tapinfo);
|
|
tapinfo->redraw &= ~REDRAW_H245DG;
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* TAP INTERFACE */
|
|
/****************************************************************************/
|
|
void
|
|
h245dg_calls_init_tap(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
GString *error_string;
|
|
|
|
if (!tap_id_base->h245_labels) {
|
|
tap_id_base->h245_labels = g_new0(h245_labels_t, 1);
|
|
}
|
|
|
|
error_string = register_tap_listener("h245dg", tap_base_to_id(tap_id_base, tap_id_offset_h245dg_), NULL,
|
|
0,
|
|
NULL,
|
|
h245dg_calls_packet,
|
|
h245dg_calls_draw,
|
|
NULL
|
|
);
|
|
|
|
if (error_string != NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"%s", error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
void
|
|
remove_tap_listener_h245dg_calls(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
if (tap_id_base->h245_labels) {
|
|
g_free(tap_id_base->h245_labels);
|
|
tap_id_base->h245_labels = NULL;
|
|
}
|
|
remove_tap_listener(tap_base_to_id(tap_id_base, tap_id_offset_h245dg_));
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/****************************TAP for SDP PROTOCOL ***************************/
|
|
/****************************************************************************/
|
|
/* whenever a SDP packet is seen by the tap listener */
|
|
static tap_packet_status
|
|
sdp_calls_packet(void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *edt _U_, const void *SDPinfo)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_sdp_);
|
|
const sdp_packet_info *pi = (const sdp_packet_info *)SDPinfo;
|
|
|
|
/* There are protocols like MGCP/SIP where the SDP is called before the tap for the
|
|
MGCP/SIP packet, in those cases we assign the SPD summary to global lastSDPsummary
|
|
to use it later
|
|
*/
|
|
g_free(tapinfo->sdp_summary);
|
|
tapinfo->sdp_frame_num = pinfo->num;
|
|
/* Append to graph the SDP summary if the packet exists */
|
|
tapinfo->sdp_summary = g_strdup_printf("SDP (%s)", pi->summary_str);
|
|
append_to_frame_graph(tapinfo, pinfo->num, tapinfo->sdp_summary, NULL);
|
|
|
|
tapinfo->redraw |= REDRAW_SDP;
|
|
|
|
return TAP_PACKET_REDRAW; /* refresh output */
|
|
}
|
|
|
|
/****************************************************************************/
|
|
static void
|
|
sdp_calls_draw(void *tap_offset_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_sdp_);
|
|
|
|
if (tapinfo->tap_draw && (tapinfo->redraw & REDRAW_SDP)) {
|
|
tapinfo->tap_draw(tapinfo);
|
|
tapinfo->redraw &= ~REDRAW_SDP;
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* TAP INTERFACE */
|
|
/****************************************************************************/
|
|
void
|
|
sdp_calls_init_tap(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
GString *error_string;
|
|
|
|
error_string = register_tap_listener("sdp", tap_base_to_id(tap_id_base, tap_id_offset_sdp_), NULL,
|
|
0,
|
|
NULL,
|
|
sdp_calls_packet,
|
|
sdp_calls_draw,
|
|
NULL
|
|
);
|
|
|
|
if (error_string != NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"%s", error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
void
|
|
remove_tap_listener_sdp_calls(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
remove_tap_listener(tap_base_to_id(tap_id_base, tap_id_offset_sdp_));
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* ***************************TAP for MGCP **********************************/
|
|
/****************************************************************************/
|
|
|
|
/*
|
|
This function will look for a signal/event in the SignalReq/ObsEvent string
|
|
and return true if it is found
|
|
*/
|
|
static gboolean
|
|
is_mgcp_signal(const gchar *signal_str_p, const gchar *signalStr)
|
|
{
|
|
gint i;
|
|
gchar **resultArray;
|
|
gboolean found = FALSE;
|
|
|
|
/* if there is no signalStr, just return false */
|
|
if (signalStr == NULL) return FALSE;
|
|
|
|
/* if are both "blank" return true */
|
|
if ( (*signal_str_p == '\0') && (*signalStr == '\0') ) return TRUE;
|
|
|
|
/* look for signal in signalStr */
|
|
resultArray = g_strsplit(signalStr, ",", 10);
|
|
|
|
for (i = 0; resultArray[i]; i++) {
|
|
g_strstrip(resultArray[i]);
|
|
if (strcmp(resultArray[i], signal_str_p) == 0) {
|
|
found = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
g_strfreev(resultArray);
|
|
|
|
return found;
|
|
}
|
|
|
|
/*
|
|
This function will get the Caller ID info and replace the current string
|
|
This is how it looks the caller Id: rg, ci(02/16/08/29, "3035550002","Ale Sipura 2")
|
|
*/
|
|
static void
|
|
mgcp_caller_id(gchar *signalStr, gchar **callerId)
|
|
{
|
|
gchar **arrayStr;
|
|
|
|
/* if there is no signalStr, just return false */
|
|
if (signalStr == NULL) return;
|
|
|
|
arrayStr = g_strsplit(signalStr, "\"", 3);
|
|
|
|
/* look for the ci signal */
|
|
if (g_strv_length(arrayStr) == 3 && strstr(arrayStr[0], "ci(")) {
|
|
/* free the previous "From" field of the call, and assign the new */
|
|
g_free(*callerId);
|
|
*callerId = g_strdup(arrayStr[1]);
|
|
}
|
|
g_strfreev(arrayStr);
|
|
}
|
|
|
|
/*
|
|
This function will get the Dialed Digits and replace the current string
|
|
This is how it looks the dialed digits 5,5,5,0,0,0,2,#,*
|
|
*/
|
|
static void
|
|
mgcp_dialed_digits(gchar *signalStr, gchar **dialedDigits)
|
|
{
|
|
gchar *tmpStr;
|
|
gchar *resultStr;
|
|
gint i,j;
|
|
|
|
/* start with 1 for the null-terminator */
|
|
guint resultStrLen = 1;
|
|
|
|
/* if there is no signalStr, just return false */
|
|
if (signalStr == NULL) return;
|
|
|
|
tmpStr = g_strdup(signalStr);
|
|
|
|
for ( i = 0 ; tmpStr[i] ; i++) {
|
|
switch (tmpStr[i]) {
|
|
case '0' : case '1' : case '2' : case '3' : case '4' :
|
|
case '5' : case '6' : case '7' : case '8' : case '9' :
|
|
case '#' : case '*' :
|
|
resultStrLen++;
|
|
break;
|
|
default:
|
|
tmpStr[i] = '?';
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (resultStrLen == 1) {
|
|
g_free(tmpStr);
|
|
return;
|
|
}
|
|
|
|
resultStr = (gchar *)g_malloc(resultStrLen);
|
|
|
|
for (i = 0, j = 0; tmpStr[i]; i++) {
|
|
if (tmpStr[i] != '?')
|
|
resultStr[j++] = tmpStr[i];
|
|
}
|
|
resultStr[j] = '\0';
|
|
|
|
g_free(*dialedDigits);
|
|
g_free(tmpStr);
|
|
|
|
*dialedDigits = resultStr;
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
/****************************************************************************/
|
|
/* whenever a MGCP packet is seen by the tap listener */
|
|
static tap_packet_status
|
|
mgcp_calls_packet(void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *edt, const void *MGCPinfo)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_mgcp_);
|
|
voip_calls_info_t *tmp_listinfo;
|
|
voip_calls_info_t *callsinfo = NULL;
|
|
mgcp_calls_info_t *tmp_mgcpinfo = NULL;
|
|
GList *list;
|
|
GList *listGraph = NULL;
|
|
gchar *frame_label = NULL;
|
|
gchar *comment = NULL;
|
|
seq_analysis_item_t *gai = NULL;
|
|
gboolean newcall = FALSE;
|
|
gboolean fromEndpoint = FALSE; /* true for calls originated in Endpoints, false for calls from MGC */
|
|
gdouble diff_time;
|
|
|
|
const mgcp_info_t *pi = (const mgcp_info_t *)MGCPinfo;
|
|
|
|
|
|
if ((pi->mgcp_type == MGCP_REQUEST) && !pi->is_duplicate ) {
|
|
/* check whether we already have a call with this Endpoint and it is active*/
|
|
list = g_queue_peek_nth_link(tapinfo->callsinfos, 0);
|
|
while (list)
|
|
{
|
|
tmp_listinfo=(voip_calls_info_t *)list->data;
|
|
if ((tmp_listinfo->protocol == VOIP_MGCP) && (tmp_listinfo->call_active_state == VOIP_ACTIVE)) {
|
|
tmp_mgcpinfo = (mgcp_calls_info_t *)tmp_listinfo->prot_info;
|
|
if (pi->endpointId != NULL) {
|
|
if (g_ascii_strcasecmp(tmp_mgcpinfo->endpointId,pi->endpointId) == 0) {
|
|
/*
|
|
check first if it is an ended call. We can still match packets to this Endpoint 2 seconds
|
|
after the call has been released
|
|
*/
|
|
diff_time = nstime_to_sec(&pinfo->rel_ts) - nstime_to_sec(&tmp_listinfo->stop_rel_ts);
|
|
if ( ((tmp_listinfo->call_state == VOIP_CANCELLED) ||
|
|
(tmp_listinfo->call_state == VOIP_COMPLETED) ||
|
|
(tmp_listinfo->call_state == VOIP_REJECTED)) &&
|
|
(diff_time > 2) )
|
|
{
|
|
tmp_listinfo->call_active_state = VOIP_INACTIVE;
|
|
} else {
|
|
callsinfo = (voip_calls_info_t*)(list->data);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
list = g_list_next (list);
|
|
}
|
|
|
|
/* there is no call with this Endpoint, lets see if this a new call or not */
|
|
if (callsinfo == NULL) {
|
|
if ( (strcmp(pi->code, "NTFY") == 0) && is_mgcp_signal("hd", pi->observedEvents) ) { /* off hook transition */
|
|
/* this is a new call from the Endpoint */
|
|
fromEndpoint = TRUE;
|
|
newcall = TRUE;
|
|
} else if (strcmp(pi->code, "CRCX") == 0) {
|
|
/* this is a new call from the MGC */
|
|
fromEndpoint = FALSE;
|
|
newcall = TRUE;
|
|
}
|
|
if (!newcall) return TAP_PACKET_DONT_REDRAW;
|
|
}
|
|
} else if ( ((pi->mgcp_type == MGCP_RESPONSE) && pi->request_available) ||
|
|
((pi->mgcp_type == MGCP_REQUEST) && pi->is_duplicate) ) {
|
|
/* if it is a response OR if it is a duplicated Request, lets look in the Graph to see
|
|
if there is a request that matches */
|
|
if(tapinfo->graph_analysis){
|
|
listGraph = g_queue_peek_nth_link(tapinfo->graph_analysis->items, 0);
|
|
}
|
|
while (listGraph)
|
|
{
|
|
gai = (seq_analysis_item_t *)listGraph->data;
|
|
if (gai->frame_number == pi->req_num) {
|
|
/* there is a request that match, so look the associated call with this call_num */
|
|
list = g_queue_peek_nth_link(tapinfo->callsinfos, 0);
|
|
while (list)
|
|
{
|
|
tmp_listinfo=(voip_calls_info_t *)list->data;
|
|
if (tmp_listinfo->protocol == VOIP_MGCP) {
|
|
if (tmp_listinfo->call_num == gai->conv_num) {
|
|
tmp_mgcpinfo = (mgcp_calls_info_t *)tmp_listinfo->prot_info;
|
|
callsinfo = (voip_calls_info_t*)(list->data);
|
|
break;
|
|
}
|
|
}
|
|
list = g_list_next (list);
|
|
}
|
|
if (callsinfo != NULL) break;
|
|
}
|
|
listGraph = g_list_next(listGraph);
|
|
}
|
|
/* if there is not a matching request, just return */
|
|
if (callsinfo == NULL) return TAP_PACKET_DONT_REDRAW;
|
|
} else return TAP_PACKET_DONT_REDRAW;
|
|
|
|
/* not in the list? then create a new entry */
|
|
if (callsinfo==NULL) {
|
|
callsinfo = (voip_calls_info_t *)g_malloc0(sizeof(voip_calls_info_t));
|
|
callsinfo->call_active_state = VOIP_ACTIVE;
|
|
callsinfo->call_state = VOIP_CALL_SETUP;
|
|
if (fromEndpoint) {
|
|
callsinfo->from_identity=g_strdup(pi->endpointId);
|
|
callsinfo->to_identity=g_strdup("");
|
|
} else {
|
|
callsinfo->from_identity=g_strdup("");
|
|
callsinfo->to_identity=g_strdup(pi->endpointId);
|
|
}
|
|
copy_address(&(callsinfo->initial_speaker),&(pinfo->src));
|
|
callsinfo->start_fd=pinfo->fd;
|
|
callsinfo->start_rel_ts=pinfo->rel_ts;
|
|
callsinfo->protocol=VOIP_MGCP;
|
|
callsinfo->prot_info=g_malloc(sizeof(mgcp_calls_info_t));
|
|
callsinfo->free_prot_info = g_free;
|
|
tmp_mgcpinfo=(mgcp_calls_info_t *)callsinfo->prot_info;
|
|
tmp_mgcpinfo->endpointId = g_strdup(pi->endpointId);
|
|
tmp_mgcpinfo->fromEndpoint = fromEndpoint;
|
|
callsinfo->npackets = 0;
|
|
callsinfo->call_num = tapinfo->ncalls++;
|
|
g_queue_push_tail(tapinfo->callsinfos, callsinfo);
|
|
}
|
|
|
|
g_assert(tmp_mgcpinfo != NULL);
|
|
|
|
/* change call state and add to graph */
|
|
switch (pi->mgcp_type)
|
|
{
|
|
case MGCP_REQUEST:
|
|
if ( (strcmp(pi->code, "NTFY") == 0) && (pi->observedEvents != NULL) ) {
|
|
frame_label = g_strdup_printf("%s ObsEvt:%s",pi->code, pi->observedEvents);
|
|
|
|
if (tmp_mgcpinfo->fromEndpoint) {
|
|
/* use the Dialed digits to fill the "To" for the call, but use the first NTFY */
|
|
if (callsinfo->to_identity[0] == '\0') mgcp_dialed_digits(pi->observedEvents, &(callsinfo->to_identity));
|
|
|
|
/* from MGC and the user picked up, the call is connected */
|
|
} else if (is_mgcp_signal("hd", pi->observedEvents))
|
|
callsinfo->call_state=VOIP_IN_CALL;
|
|
|
|
/* hung up signal */
|
|
if (is_mgcp_signal("hu", pi->observedEvents)) {
|
|
if ((callsinfo->call_state == VOIP_CALL_SETUP) || (callsinfo->call_state == VOIP_RINGING)) {
|
|
callsinfo->call_state = VOIP_CANCELLED;
|
|
} else {
|
|
callsinfo->call_state = VOIP_COMPLETED;
|
|
}
|
|
}
|
|
|
|
} else if (strcmp(pi->code, "RQNT") == 0) {
|
|
/* for calls from Endpoint: if there is a "no signal" RQNT and the call was RINGING, we assume this is the CONNECT */
|
|
if ( tmp_mgcpinfo->fromEndpoint && is_mgcp_signal("", pi->signalReq) && (callsinfo->call_state == VOIP_RINGING) ) {
|
|
callsinfo->call_state = VOIP_IN_CALL;
|
|
}
|
|
|
|
/* if there is ringback or ring tone, change state to ringing */
|
|
if ( is_mgcp_signal("rg", pi->signalReq) || is_mgcp_signal("rt", pi->signalReq) ) {
|
|
callsinfo->call_state = VOIP_RINGING;
|
|
}
|
|
|
|
/* if there is a Busy or ReorderTone, and the call was Ringing or Setup the call is Rejected */
|
|
if ( (is_mgcp_signal("ro", pi->signalReq) || is_mgcp_signal("bz", pi->signalReq)) && ((callsinfo->call_state == VOIP_CALL_SETUP) || (callsinfo->call_state == VOIP_RINGING)) ) {
|
|
callsinfo->call_state = VOIP_REJECTED;
|
|
}
|
|
|
|
if (pi->signalReq != NULL)
|
|
frame_label = g_strdup_printf("%s%sSigReq:%s",pi->code, (pi->hasDigitMap == TRUE)?" DigitMap ":"", pi->signalReq);
|
|
else
|
|
frame_label = g_strdup_printf("%s%s",pi->code, (pi->hasDigitMap == TRUE)?" DigitMap ":"");
|
|
|
|
/* use the CallerID info to fill the "From" for the call */
|
|
if (!tmp_mgcpinfo->fromEndpoint) mgcp_caller_id(pi->signalReq, &(callsinfo->from_identity));
|
|
|
|
} else if (strcmp(pi->code, "DLCX") == 0) {
|
|
/*
|
|
if there is a DLCX in a call To an Endpoint and the call was not connected, we use
|
|
the DLCX as the end of the call
|
|
*/
|
|
if (!tmp_mgcpinfo->fromEndpoint) {
|
|
if ((callsinfo->call_state == VOIP_CALL_SETUP) || (callsinfo->call_state == VOIP_RINGING)) {
|
|
callsinfo->call_state = VOIP_CANCELLED;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (frame_label == NULL) frame_label = g_strdup(pi->code);
|
|
break;
|
|
case MGCP_RESPONSE:
|
|
frame_label = g_strdup_printf("%u (%s)",pi->rspcode, pi->code);
|
|
break;
|
|
case MGCP_OTHERS:
|
|
/* XXX what to do? */
|
|
break;
|
|
}
|
|
|
|
comment = g_strdup_printf("MGCP %s %s%s", tmp_mgcpinfo->endpointId, (pi->mgcp_type == MGCP_REQUEST)?"Request":"Response", pi->is_duplicate?" Duplicate":"");
|
|
|
|
callsinfo->stop_fd = pinfo->fd;
|
|
callsinfo->stop_rel_ts = pinfo->rel_ts;
|
|
++(callsinfo->npackets);
|
|
/* increment the packets counter of all calls */
|
|
++(tapinfo->npackets);
|
|
|
|
/* add to the graph */
|
|
add_to_graph(tapinfo, pinfo, edt, frame_label, comment, callsinfo->call_num, &(pinfo->src), &(pinfo->dst), 1);
|
|
g_free(comment);
|
|
g_free(frame_label);
|
|
|
|
/* add SDP info if apply */
|
|
if ( (tapinfo->sdp_summary != NULL) && (tapinfo->sdp_frame_num == pinfo->num) ) {
|
|
append_to_frame_graph(tapinfo, pinfo->num, tapinfo->sdp_summary, NULL);
|
|
g_free(tapinfo->sdp_summary);
|
|
tapinfo->sdp_summary = NULL;
|
|
}
|
|
|
|
tapinfo->redraw |= REDRAW_MGCP;
|
|
|
|
return TAP_PACKET_REDRAW; /* refresh output */
|
|
}
|
|
|
|
/****************************************************************************/
|
|
static void
|
|
mgcp_calls_draw(void *tap_offset_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_mgcp_);
|
|
|
|
if (tapinfo->tap_draw && (tapinfo->redraw & REDRAW_MGCP)) {
|
|
tapinfo->tap_draw(tapinfo);
|
|
tapinfo->redraw &= ~REDRAW_MGCP;
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* TAP INTERFACE */
|
|
/****************************************************************************/
|
|
void
|
|
mgcp_calls_init_tap(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
GString *error_string;
|
|
|
|
/*
|
|
* We set TL_REQUIRES_PROTO_TREE to force a non-null "tree"
|
|
* in the MGCP dissector; otherwise, the dissector
|
|
* doesn't fill in the info passed to the tap's packet
|
|
* routine.
|
|
*/
|
|
error_string = register_tap_listener("mgcp",
|
|
tap_base_to_id(tap_id_base, tap_id_offset_mgcp_),
|
|
NULL,
|
|
TL_REQUIRES_PROTO_TREE,
|
|
NULL,
|
|
mgcp_calls_packet,
|
|
mgcp_calls_draw,
|
|
NULL
|
|
);
|
|
if (error_string != NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"%s", error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
void
|
|
remove_tap_listener_mgcp_calls(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
remove_tap_listener(tap_base_to_id(tap_id_base, tap_id_offset_mgcp_));
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/****************************TAP for ACTRACE (AudioCodes trace)**************/
|
|
/****************************************************************************/
|
|
|
|
/* whenever a ACTRACE packet is seen by the tap listener */
|
|
static tap_packet_status
|
|
actrace_calls_packet(void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *edt, const void *ACTRACEinfo)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_actrace_);
|
|
const actrace_info_t *pi = (const actrace_info_t *)ACTRACEinfo;
|
|
GList *list;
|
|
actrace_cas_calls_info_t *tmp_actrace_cas_info;
|
|
voip_calls_info_t *tmp_listinfo;
|
|
voip_calls_info_t *callsinfo = NULL;
|
|
|
|
tapinfo->actrace_frame_num = pinfo->num;
|
|
tapinfo->actrace_trunk = pi->trunk;
|
|
tapinfo->actrace_direction = pi->direction;
|
|
|
|
if (pi->type == 1) { /* is CAS protocol */
|
|
address pstn_add;
|
|
gchar *comment = NULL;
|
|
|
|
callsinfo = NULL;
|
|
list = g_queue_peek_nth_link(tapinfo->callsinfos, 0);
|
|
while (list)
|
|
{
|
|
tmp_listinfo=(voip_calls_info_t *)list->data;
|
|
if ( tmp_listinfo->protocol == VOIP_AC_CAS ) {
|
|
tmp_actrace_cas_info = (actrace_cas_calls_info_t *)tmp_listinfo->prot_info;
|
|
/* TODO: Also check the IP of the Blade, and if the call is complete (no active) */
|
|
if ( (tmp_actrace_cas_info->bchannel == pi->cas_bchannel) && (tmp_actrace_cas_info->trunk == tapinfo->actrace_trunk) ) {
|
|
callsinfo = (voip_calls_info_t*)(list->data);
|
|
break;
|
|
}
|
|
}
|
|
list = g_list_next (list);
|
|
}
|
|
|
|
set_address(&pstn_add, AT_STRINGZ, 5, "PSTN");
|
|
|
|
/* if it is a new call, add it to the list */
|
|
if (!callsinfo) {
|
|
callsinfo = (voip_calls_info_t *)g_malloc0(sizeof(voip_calls_info_t));
|
|
callsinfo->call_active_state = VOIP_ACTIVE;
|
|
callsinfo->call_state = VOIP_CALL_SETUP;
|
|
callsinfo->from_identity=g_strdup("N/A");
|
|
callsinfo->to_identity=g_strdup("N/A");
|
|
copy_address(&(callsinfo->initial_speaker),tapinfo->actrace_direction?&pstn_add:&(pinfo->src));
|
|
callsinfo->start_fd=pinfo->fd;
|
|
callsinfo->start_rel_ts=pinfo->rel_ts;
|
|
callsinfo->protocol=VOIP_AC_CAS;
|
|
callsinfo->prot_info=g_malloc(sizeof(actrace_cas_calls_info_t));
|
|
callsinfo->free_prot_info = g_free;
|
|
|
|
tmp_actrace_cas_info=(actrace_cas_calls_info_t *)callsinfo->prot_info;
|
|
tmp_actrace_cas_info->bchannel=pi->cas_bchannel;
|
|
tmp_actrace_cas_info->trunk=tapinfo->actrace_trunk;
|
|
callsinfo->npackets = 0;
|
|
callsinfo->call_num = tapinfo->ncalls++;
|
|
g_queue_push_tail(tapinfo->callsinfos, callsinfo);
|
|
}
|
|
|
|
callsinfo->stop_fd = pinfo->fd;
|
|
callsinfo->stop_rel_ts = pinfo->rel_ts;
|
|
++(callsinfo->npackets);
|
|
/* increment the packets counter of all calls */
|
|
++(tapinfo->npackets);
|
|
|
|
comment = g_strdup_printf("AC_CAS trunk:%u", tapinfo->actrace_trunk);
|
|
|
|
add_to_graph(tapinfo, pinfo, edt, pi->cas_frame_label, comment, callsinfo->call_num,
|
|
tapinfo->actrace_direction?&pstn_add:&(pinfo->src),
|
|
tapinfo->actrace_direction?&(pinfo->src):&pstn_add,
|
|
1 );
|
|
|
|
g_free(comment);
|
|
}
|
|
|
|
tapinfo->redraw |= REDRAW_ACTRACE;
|
|
|
|
return TAP_PACKET_REDRAW; /* refresh output */
|
|
}
|
|
|
|
/****************************************************************************/
|
|
static void
|
|
actrace_calls_draw(void *tap_offset_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_actrace_);
|
|
|
|
if (tapinfo->tap_draw && (tapinfo->redraw & REDRAW_ACTRACE)) {
|
|
tapinfo->tap_draw(tapinfo);
|
|
tapinfo->redraw &= ~REDRAW_ACTRACE;
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* TAP INTERFACE */
|
|
/****************************************************************************/
|
|
void
|
|
actrace_calls_init_tap(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
GString *error_string;
|
|
|
|
error_string = register_tap_listener("actrace", tap_base_to_id(tap_id_base, tap_id_offset_actrace_), NULL,
|
|
0,
|
|
NULL,
|
|
actrace_calls_packet,
|
|
actrace_calls_draw,
|
|
NULL
|
|
);
|
|
|
|
if (error_string != NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"%s", error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
void
|
|
remove_tap_listener_actrace_calls(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
remove_tap_listener(tap_base_to_id(tap_id_base, tap_id_offset_actrace_));
|
|
}
|
|
|
|
|
|
/****************************************************************************/
|
|
/**************************** TAP for H248/MEGACO **********************************/
|
|
/****************************************************************************/
|
|
|
|
#define gcp_is_req(type) ( type == GCP_CMD_ADD_REQ || type == GCP_CMD_MOVE_REQ || type == GCP_CMD_MOD_REQ || \
|
|
type == GCP_CMD_SUB_REQ || type == GCP_CMD_AUDITCAP_REQ || type == GCP_CMD_AUDITVAL_REQ || \
|
|
type == GCP_CMD_NOTIFY_REQ || type == GCP_CMD_SVCCHG_REQ || type == GCP_CMD_TOPOLOGY_REQ || \
|
|
type == GCP_CMD_CTX_ATTR_AUDIT_REQ )
|
|
|
|
|
|
static tap_packet_status
|
|
h248_calls_packet_common(voip_calls_tapinfo_t *tapinfo, packet_info *pinfo, epan_dissect_t *edt, const void *prot_info, guint32 redraw_bit) {
|
|
const gcp_cmd_t *cmd = (const gcp_cmd_t *)prot_info;
|
|
GList *list;
|
|
voip_calls_info_t *callsinfo = NULL;
|
|
address *mgw;
|
|
address *mgc;
|
|
gchar mgw_addr[128];
|
|
|
|
if (cmd->ctx->id == NULL_CONTEXT || cmd->ctx->id == ALL_CONTEXTS ) {
|
|
return TAP_PACKET_DONT_REDRAW;
|
|
}
|
|
|
|
if ( gcp_is_req(cmd->type) ) {
|
|
mgw = &(pinfo->dst);
|
|
mgc = &(pinfo->src);
|
|
} else {
|
|
mgc = &(pinfo->dst);
|
|
mgw = &(pinfo->src);
|
|
}
|
|
|
|
address_to_str_buf(mgw, mgw_addr, 128);
|
|
|
|
/* check whether we already have this context in the list */
|
|
list = g_queue_peek_nth_link(tapinfo->callsinfos, 0);
|
|
while (list)
|
|
{
|
|
voip_calls_info_t* tmp_listinfo = (voip_calls_info_t *)list->data;
|
|
|
|
if (tmp_listinfo->protocol == TEL_H248) {
|
|
if (tmp_listinfo->prot_info == cmd->ctx) {
|
|
callsinfo = (voip_calls_info_t*)(list->data);
|
|
break;
|
|
}
|
|
}
|
|
list = g_list_next (list);
|
|
}
|
|
|
|
if (callsinfo==NULL) {
|
|
|
|
callsinfo = (voip_calls_info_t *)g_malloc0(sizeof(voip_calls_info_t));
|
|
callsinfo->call_state = VOIP_NO_STATE;
|
|
callsinfo->call_active_state = VOIP_ACTIVE;
|
|
callsinfo->from_identity = g_strdup_printf("%s : %.8x", mgw_addr, cmd->ctx->id);
|
|
callsinfo->to_identity = g_strdup("");
|
|
callsinfo->prot_info = cmd->ctx;
|
|
callsinfo->free_prot_info = NULL;
|
|
|
|
callsinfo->npackets = 1;
|
|
|
|
copy_address(&(callsinfo->initial_speaker), mgc);
|
|
|
|
callsinfo->protocol = TEL_H248;
|
|
callsinfo->call_num = tapinfo->ncalls++;
|
|
callsinfo->start_fd = pinfo->fd;
|
|
callsinfo->start_rel_ts = pinfo->rel_ts;
|
|
callsinfo->stop_fd = pinfo->fd;
|
|
callsinfo->stop_rel_ts = pinfo->rel_ts;
|
|
|
|
g_queue_push_tail(tapinfo->callsinfos, callsinfo);
|
|
|
|
} else {
|
|
GString *s = g_string_new("");
|
|
gcp_terms_t *ctx_term;
|
|
|
|
g_free(callsinfo->from_identity);
|
|
callsinfo->from_identity = g_strdup_printf("%s : %.8x", mgw_addr, ((gcp_ctx_t*)callsinfo->prot_info)->id);
|
|
|
|
g_free(callsinfo->to_identity);
|
|
|
|
for (ctx_term = ((gcp_ctx_t*)callsinfo->prot_info)->terms.next;
|
|
ctx_term;
|
|
ctx_term = ctx_term->next ) {
|
|
if ( ctx_term->term && ctx_term->term->str) {
|
|
g_string_append_printf(s," %s",ctx_term->term->str);
|
|
}
|
|
}
|
|
|
|
callsinfo->to_identity = g_string_free(s,FALSE);
|
|
|
|
callsinfo->stop_fd = pinfo->fd;
|
|
callsinfo->stop_rel_ts = pinfo->rel_ts;
|
|
++(callsinfo->npackets);
|
|
}
|
|
|
|
add_to_graph(tapinfo, pinfo, edt, cmd->str ? cmd->str : "unknown Msg",
|
|
wmem_strdup_printf(wmem_packet_scope(), "TrxId = %u, CtxId = %.8x",cmd->trx->id,cmd->ctx->id),
|
|
callsinfo->call_num, &(pinfo->src), &(pinfo->dst), 1);
|
|
|
|
++(tapinfo->npackets);
|
|
|
|
tapinfo->redraw |= redraw_bit;
|
|
|
|
return TAP_PACKET_REDRAW;
|
|
}
|
|
|
|
static tap_packet_status
|
|
h248_calls_packet(void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *edt, const void *prot_info) {
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_h248_);
|
|
|
|
return h248_calls_packet_common(tapinfo, pinfo, edt, prot_info, REDRAW_H248);
|
|
}
|
|
|
|
static void
|
|
h248_calls_draw(void *tap_offset_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_h248_);
|
|
|
|
if (tapinfo->tap_draw && (tapinfo->redraw & REDRAW_H248)) {
|
|
tapinfo->tap_draw(tapinfo);
|
|
tapinfo->redraw &= ~REDRAW_H248;
|
|
}
|
|
}
|
|
|
|
static tap_packet_status
|
|
megaco_calls_packet(void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *edt, const void *prot_info) {
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_megaco_);
|
|
|
|
return h248_calls_packet_common(tapinfo, pinfo, edt, prot_info, REDRAW_MEGACO);
|
|
}
|
|
|
|
static void
|
|
megaco_calls_draw(void *tap_offset_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_megaco_);
|
|
|
|
if (tapinfo->tap_draw && (tapinfo->redraw & REDRAW_MEGACO)) {
|
|
tapinfo->tap_draw(tapinfo);
|
|
tapinfo->redraw &= ~REDRAW_MEGACO;
|
|
}
|
|
}
|
|
|
|
void
|
|
h248_calls_init_tap(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
GString *error_string;
|
|
|
|
error_string = register_tap_listener("megaco", tap_base_to_id(tap_id_base, tap_id_offset_megaco_),
|
|
NULL,
|
|
0,
|
|
NULL,
|
|
megaco_calls_packet,
|
|
megaco_calls_draw,
|
|
NULL);
|
|
|
|
if (error_string != NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"%s", error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
}
|
|
|
|
error_string = register_tap_listener("h248", tap_base_to_id(tap_id_base, tap_id_offset_h248_),
|
|
NULL,
|
|
0,
|
|
NULL,
|
|
h248_calls_packet,
|
|
h248_calls_draw,
|
|
NULL);
|
|
|
|
if (error_string != NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"%s", error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
}
|
|
}
|
|
|
|
void
|
|
remove_tap_listener_h248_calls(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
remove_tap_listener(tap_base_to_id(tap_id_base, tap_id_offset_h248_));
|
|
remove_tap_listener(tap_base_to_id(tap_id_base, tap_id_offset_megaco_));
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/**************************** TAP for SCCP and SUA **********************************/
|
|
/**************************** ( RANAP and BSSAP ) **********************************/
|
|
/****************************************************************************/
|
|
|
|
static const voip_protocol sccp_proto_map[] = {
|
|
TEL_SCCP,
|
|
TEL_BSSMAP,
|
|
TEL_RANAP
|
|
};
|
|
#define SP2VP(ap) ((ap) < SCCP_PLOAD_NUM_PLOADS ? sccp_proto_map[(ap)] : TEL_SCCP)
|
|
const value_string* sccp_payload_values;
|
|
|
|
static tap_packet_status
|
|
sccp_calls(voip_calls_tapinfo_t *tapinfo, packet_info *pinfo, epan_dissect_t *edt, const void *prot_info, guint32 redraw_bit) {
|
|
const sccp_msg_info_t* msg = (const sccp_msg_info_t *)prot_info;
|
|
sccp_assoc_info_t* assoc = msg->data.co.assoc;
|
|
GList *list;
|
|
voip_calls_info_t *callsinfo = NULL;
|
|
gchar *label = NULL;
|
|
const gchar *comment = NULL;
|
|
/* check whether we already have this assoc in the list */
|
|
|
|
for(list = g_queue_peek_nth_link(tapinfo->callsinfos, 0) ; list ; list = g_list_next (list) ) {
|
|
if ( ((voip_calls_info_t*)(list->data))->prot_info == assoc ) {
|
|
callsinfo = (voip_calls_info_t*)(list->data);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (callsinfo==NULL) {
|
|
callsinfo = (voip_calls_info_t *)g_malloc0(sizeof(voip_calls_info_t));
|
|
callsinfo->call_state = VOIP_CALL_SETUP;
|
|
callsinfo->call_active_state = VOIP_ACTIVE;
|
|
if ( assoc->calling_party ) {
|
|
callsinfo->from_identity = g_strdup(assoc->calling_party);
|
|
} else {
|
|
callsinfo->from_identity = g_strdup("Unknown");
|
|
}
|
|
|
|
if ( assoc->called_party ) {
|
|
callsinfo->to_identity = g_strdup(assoc->called_party);
|
|
} else {
|
|
callsinfo->to_identity = g_strdup("Unknown");
|
|
}
|
|
|
|
callsinfo->prot_info = (void*)assoc;
|
|
callsinfo->free_prot_info = NULL;
|
|
|
|
callsinfo->npackets = 1;
|
|
|
|
copy_address(&(callsinfo->initial_speaker), &(pinfo->src));
|
|
|
|
callsinfo->protocol = SP2VP(assoc->payload);
|
|
/* Store frame data which holds time and frame number */
|
|
callsinfo->start_fd = pinfo->fd;
|
|
callsinfo->start_rel_ts = pinfo->rel_ts;
|
|
callsinfo->stop_fd = pinfo->fd;
|
|
callsinfo->stop_rel_ts = pinfo->rel_ts;
|
|
|
|
callsinfo->call_num = tapinfo->ncalls++;
|
|
|
|
g_queue_push_tail(tapinfo->callsinfos, callsinfo);
|
|
} else {
|
|
|
|
if ( assoc->calling_party ) {
|
|
g_free(callsinfo->from_identity);
|
|
callsinfo->from_identity = g_strdup(assoc->calling_party);
|
|
}
|
|
|
|
if ( assoc->called_party ) {
|
|
g_free(callsinfo->to_identity);
|
|
callsinfo->to_identity = g_strdup(assoc->called_party);
|
|
}
|
|
|
|
callsinfo->protocol = SP2VP(assoc->payload);
|
|
/* Store frame data which holds stop time and frame number */
|
|
callsinfo->stop_fd = pinfo->fd;
|
|
callsinfo->stop_rel_ts = pinfo->rel_ts;
|
|
++(callsinfo->npackets);
|
|
|
|
switch (msg->type) {
|
|
case SCCP_MSG_TYPE_CC:
|
|
callsinfo->call_state = VOIP_IN_CALL;
|
|
break;
|
|
case SCCP_MSG_TYPE_RLC:
|
|
callsinfo->call_state = VOIP_COMPLETED;
|
|
callsinfo->call_active_state = VOIP_INACTIVE;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (msg->data.co.label) {
|
|
label = wmem_strdup(NULL, msg->data.co.label);
|
|
} else {
|
|
label = val_to_str_wmem(NULL, msg->type, sccp_payload_values, "Unknown(%d)");
|
|
}
|
|
|
|
if (msg->data.co.comment) {
|
|
comment = msg->data.co.comment;
|
|
} else {
|
|
comment = NULL;
|
|
}
|
|
|
|
add_to_graph(tapinfo, pinfo, edt, label, comment, callsinfo->call_num, &(pinfo->src), &(pinfo->dst), 1);
|
|
wmem_free(NULL, label);
|
|
|
|
++(tapinfo->npackets);
|
|
|
|
tapinfo->redraw |= redraw_bit;
|
|
|
|
return TAP_PACKET_REDRAW;
|
|
}
|
|
|
|
static tap_packet_status
|
|
sccp_calls_packet(void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *edt, const void *prot_info) {
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_sccp_);
|
|
|
|
sccp_payload_values = sccp_message_type_acro_values;
|
|
return sccp_calls(tapinfo, pinfo, edt, prot_info, REDRAW_SCCP);
|
|
}
|
|
|
|
static void
|
|
sccp_calls_draw(void *tap_offset_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_sccp_);
|
|
|
|
if (tapinfo->tap_draw && (tapinfo->redraw & REDRAW_SCCP)) {
|
|
tapinfo->tap_draw(tapinfo);
|
|
tapinfo->redraw &= ~REDRAW_SCCP;
|
|
}
|
|
}
|
|
|
|
static tap_packet_status
|
|
sua_calls_packet(void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *edt, const void *prot_info) {
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_sua_);
|
|
|
|
sccp_payload_values = sua_co_class_type_acro_values;
|
|
return sccp_calls(tapinfo, pinfo, edt, prot_info, REDRAW_SUA);
|
|
}
|
|
|
|
static void
|
|
sua_calls_draw(void *tap_offset_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_sua_);
|
|
|
|
if (tapinfo->tap_draw && (tapinfo->redraw & REDRAW_SUA)) {
|
|
tapinfo->tap_draw(tapinfo);
|
|
tapinfo->redraw &= ~REDRAW_SUA;
|
|
}
|
|
}
|
|
|
|
void sccp_calls_init_tap(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
GString *error_string;
|
|
|
|
error_string = register_tap_listener("sccp", tap_base_to_id(tap_id_base, tap_id_offset_sccp_),
|
|
NULL,
|
|
0,
|
|
NULL,
|
|
sccp_calls_packet,
|
|
sccp_calls_draw,
|
|
NULL);
|
|
|
|
if (error_string != NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"%s", error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
}
|
|
|
|
error_string = register_tap_listener("sua", tap_base_to_id(tap_id_base, tap_id_offset_sua_),
|
|
NULL,
|
|
0,
|
|
NULL,
|
|
sua_calls_packet,
|
|
sua_calls_draw,
|
|
NULL);
|
|
|
|
if (error_string != NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"%s", error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
}
|
|
}
|
|
|
|
void
|
|
remove_tap_listener_sccp_calls(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
remove_tap_listener(tap_base_to_id(tap_id_base, tap_id_offset_sccp_));
|
|
remove_tap_listener(tap_base_to_id(tap_id_base, tap_id_offset_sua_));
|
|
}
|
|
|
|
|
|
/****************************************************************************/
|
|
/****************************TAP for UNISTIM ********************************/
|
|
/****************************************************************************/
|
|
|
|
static tap_packet_status
|
|
unistim_calls_packet(void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *edt, const void *unistim_info)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_unistim_);
|
|
voip_calls_info_t *tmp_listinfo;
|
|
voip_calls_info_t *callsinfo = NULL;
|
|
unistim_info_t *tmp_unistim_info = NULL;
|
|
GList *list = NULL;
|
|
GString *g_tmp = NULL;
|
|
const gchar *frame_label = NULL;
|
|
gchar *comment = NULL;
|
|
|
|
/* Fetch specific packet infos */
|
|
const unistim_info_t *pi = (const unistim_info_t *)unistim_info;
|
|
|
|
/* Init gstring */
|
|
g_tmp = g_string_new(NULL);
|
|
|
|
/* Check to see if this is a dup */
|
|
list = g_queue_peek_nth_link(tapinfo->callsinfos, 0);
|
|
|
|
while(list)
|
|
{
|
|
tmp_listinfo = (voip_calls_info_t *)list->data;
|
|
|
|
if(tmp_listinfo->protocol == VOIP_UNISTIM) {
|
|
|
|
tmp_unistim_info = (unistim_info_t *)tmp_listinfo->prot_info;
|
|
|
|
/* Search by termid if possible, otherwise use ni/it ip + port.. */
|
|
if(pi->termid != 0) {
|
|
if(tmp_unistim_info->termid == pi->termid) {
|
|
/* If the call has ended, then we can reuse it.. */
|
|
if(tmp_listinfo->call_state == VOIP_COMPLETED || tmp_listinfo->call_state == VOIP_UNKNOWN) {
|
|
/* Do nothing */
|
|
} else {
|
|
callsinfo = (voip_calls_info_t*)(list->data);
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
/* If no term id use ips / port to find entry */
|
|
if(addresses_equal(&tmp_unistim_info->it_ip, &pinfo->dst) && addresses_equal(&tmp_unistim_info->ni_ip,&pinfo->src) && (tmp_unistim_info->it_port == pinfo->destport)) {
|
|
if(tmp_listinfo->call_state == VOIP_COMPLETED || tmp_listinfo->call_state == VOIP_UNKNOWN) {
|
|
/* Do nothing previous call */
|
|
} else {
|
|
callsinfo = (voip_calls_info_t*)(list->data);
|
|
break;
|
|
}
|
|
}
|
|
else if(addresses_equal(&tmp_unistim_info->it_ip, &pinfo->src) && addresses_equal(&tmp_unistim_info->ni_ip,&pinfo->dst) && (tmp_unistim_info->it_port == pinfo->srcport)) {
|
|
if(tmp_listinfo->call_state == VOIP_COMPLETED || tmp_listinfo->call_state == VOIP_UNKNOWN) {
|
|
/* Do nothing, it ain't our call.. */
|
|
} else {
|
|
callsinfo = (voip_calls_info_t*)(list->data);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Otherwise, go to the next one.. */
|
|
list = g_list_next(list);
|
|
}
|
|
|
|
if(pi->payload_type == 2 || pi->payload_type == 1) {
|
|
|
|
if(pi->key_state == 1 || pi->hook_state == 1) {
|
|
|
|
/* If the user hits a button,
|
|
Session will be SETUP */
|
|
|
|
/* If new add to list */
|
|
if (callsinfo==NULL) {
|
|
|
|
callsinfo = (voip_calls_info_t *)g_malloc0(sizeof(voip_calls_info_t));
|
|
callsinfo->call_active_state = VOIP_ACTIVE;
|
|
callsinfo->call_state = VOIP_CALL_SETUP;
|
|
callsinfo->from_identity=g_strdup_printf("%x",pi->termid);
|
|
callsinfo->to_identity=g_strdup("UNKNOWN");
|
|
copy_address(&(callsinfo->initial_speaker),&(pinfo->src));
|
|
|
|
/* Set this on init of struct so in case the call doesn't complete, we'll have a ref. */
|
|
/* Otherwise if the call is completed we'll have the open/close streams to ref actual call duration */
|
|
/* Store frame data which holds time and frame number */
|
|
callsinfo->start_fd=pinfo->fd;
|
|
callsinfo->start_rel_ts=pinfo->rel_ts;
|
|
|
|
callsinfo->protocol=VOIP_UNISTIM;
|
|
callsinfo->prot_info=g_malloc(sizeof(unistim_info_t));
|
|
|
|
tmp_unistim_info = (unistim_info_t *)callsinfo->prot_info;
|
|
|
|
/* Clear tap struct */
|
|
tmp_unistim_info->rudp_type = 0;
|
|
tmp_unistim_info->payload_type = 0;
|
|
tmp_unistim_info->sequence = pi->sequence;
|
|
tmp_unistim_info->termid = pi->termid;
|
|
tmp_unistim_info->key_val = -1;
|
|
tmp_unistim_info->key_state = -1;
|
|
tmp_unistim_info->hook_state = -1;
|
|
tmp_unistim_info->stream_connect = -1;
|
|
tmp_unistim_info->trans_connect = -1;
|
|
tmp_unistim_info->set_termid = -1;
|
|
tmp_unistim_info->string_data = NULL;
|
|
tmp_unistim_info->key_buffer = NULL;
|
|
|
|
copy_address(&(tmp_unistim_info->it_ip),&(pi->it_ip));
|
|
copy_address(&(tmp_unistim_info->ni_ip),&(pi->ni_ip));
|
|
tmp_unistim_info->it_port = pi->it_port;
|
|
|
|
callsinfo->free_prot_info = g_free;
|
|
callsinfo->npackets = 0;
|
|
callsinfo->call_num = tapinfo->ncalls++;
|
|
g_queue_push_tail(tapinfo->callsinfos, callsinfo);
|
|
|
|
} else {
|
|
|
|
/* Set up call wide info struct */
|
|
tmp_unistim_info = (unistim_info_t *)callsinfo->prot_info;
|
|
tmp_unistim_info->sequence = pi->sequence;
|
|
}
|
|
|
|
/* Each packet COULD BE OUR LAST!!!! */
|
|
/* Store frame data which holds time and frame number */
|
|
callsinfo->stop_fd = pinfo->fd;
|
|
callsinfo->stop_rel_ts = pinfo->rel_ts;
|
|
|
|
/* This is a valid packet so increment counter */
|
|
++(callsinfo->npackets);
|
|
|
|
/* increment the packets counter of all calls */
|
|
++(tapinfo->npackets);
|
|
|
|
/* Key was depressed.. update key buffer.. */
|
|
if(pi->key_val >= 0 && pi->key_val <= 11) {
|
|
|
|
if(tmp_unistim_info->key_buffer != NULL) {
|
|
|
|
/* assign to temp variable */
|
|
g_string_assign(g_tmp,tmp_unistim_info->key_buffer);
|
|
|
|
/* Manipulate the data */
|
|
if(pi->key_val == 10) {
|
|
tmp_unistim_info->key_buffer = g_strdup_printf("%s*",g_tmp->str);
|
|
} else if(pi->key_val == 11) {
|
|
tmp_unistim_info->key_buffer = g_strdup_printf("%s#",g_tmp->str);
|
|
} else {
|
|
tmp_unistim_info->key_buffer = g_strdup_printf("%s%d",g_tmp->str,pi->key_val);
|
|
}
|
|
|
|
} else {
|
|
|
|
/* Create new string */
|
|
if(pi->key_val == 10) {
|
|
tmp_unistim_info->key_buffer = g_strdup("*");
|
|
} else if(pi->key_val == 11) {
|
|
tmp_unistim_info->key_buffer = g_strdup("#");
|
|
} else {
|
|
tmp_unistim_info->key_buffer = g_strdup_printf("%d",pi->key_val);
|
|
}
|
|
|
|
}
|
|
|
|
/* Select for non-digit characters */
|
|
if(pi->key_val == 10) {
|
|
comment = g_strdup_printf("Key Input Sent: * (%d)", pi->sequence);
|
|
} else if(pi->key_val == 11) {
|
|
comment = g_strdup_printf("Key Input Sent: # (%d)", pi->sequence);
|
|
} else {
|
|
comment = g_strdup_printf("Key Input Sent: %d (%d)",pi->key_val, pi->sequence);
|
|
}
|
|
} else if(pi->key_val == 12) {
|
|
/* Set label and comment for graph */
|
|
comment = g_strdup_printf("Key Input Sent: UP (%d)", pi->sequence);
|
|
} else if(pi->key_val == 13) {
|
|
/* Set label and comment for graph */
|
|
comment = g_strdup_printf("Key Input Sent: DOWN (%d)", pi->sequence);
|
|
} else if(pi->key_val == 14) {
|
|
/* Set label and comment for graph */
|
|
comment = g_strdup_printf("Key Input Sent: RIGHT (%d)", pi->sequence);
|
|
} else if(pi->key_val == 15) {
|
|
if(pi->key_buffer != NULL) {
|
|
/* Get data */
|
|
g_string_assign(g_tmp,pi->key_buffer);
|
|
|
|
/* Manipulate the data */
|
|
g_string_truncate(g_tmp,g_tmp->len-1);
|
|
|
|
/* Insert new data */
|
|
tmp_unistim_info->key_buffer = g_strdup(g_tmp->str);
|
|
}
|
|
|
|
/* Set label and comment for graph */
|
|
comment = g_strdup_printf("Key Input Sent: LEFT (%d)", pi->sequence);
|
|
} else if(pi->key_val == 20) {
|
|
/* User pressed the soft key 0 probably dial */
|
|
comment = g_strdup_printf("Key Input Sent: S0 (%d)", pi->sequence);
|
|
} else if(pi->key_val == 21) {
|
|
/* User pressed the soft key 1 */
|
|
comment = g_strdup_printf("Key Input Sent: S1 (%d)", pi->sequence);
|
|
} else if(pi->key_val == 22) {
|
|
/* User pressed the soft key 2 */
|
|
/* On cs2k phones, soft key 2 is backspace. */
|
|
if(pi->key_buffer != NULL) {
|
|
|
|
/* Get data */
|
|
g_string_assign(g_tmp,pi->key_buffer);
|
|
|
|
/* Manipulate the data */
|
|
g_string_truncate(g_tmp,g_tmp->len-1);
|
|
|
|
/* Insert new data */
|
|
tmp_unistim_info->key_buffer = g_strdup(g_tmp->str);
|
|
}
|
|
|
|
/* add label and comment */
|
|
comment = g_strdup_printf("Key Input Sent: S2 (%d)", pi->sequence);
|
|
} else if(pi->key_val == 28) {
|
|
/* User pressed something */
|
|
comment = g_strdup_printf("Key Input Sent: Release (%d)", pi->sequence);
|
|
} else if(pi->key_val == 23) {
|
|
/* User pressed the soft key 3 */
|
|
/* Cancel on cs2k so clear buffer */
|
|
/* On mcs it's config which will clear the buffer too */
|
|
tmp_unistim_info->key_buffer = g_strdup("\n");
|
|
|
|
/* User pressed something, set labels*/
|
|
comment = g_strdup_printf("Key Input Sent: S3 (%d)", pi->sequence);
|
|
} else if(pi->key_val == 27) {
|
|
/* User pressed something */
|
|
comment = g_strdup_printf("Key Input Sent: Hold (%d)", pi->sequence);
|
|
} else if(pi->key_val == 29) {
|
|
/* User pressed something */
|
|
comment = g_strdup_printf("Key Input Sent: Mute (%d)", pi->sequence);
|
|
} else if(pi->key_val == 30) {
|
|
/* User pressed something */
|
|
comment = g_strdup_printf("Key Input Sent: Headset (%d)", pi->sequence);
|
|
} else if(pi->key_val == 31) {
|
|
/* Handsfree button */
|
|
comment = g_strdup_printf("Key Input Sent: Handsfree (%d)", pi->sequence);
|
|
} else if(pi->key_val >= 32 && pi->key_val <= 56) {
|
|
/* Prog. Key X */
|
|
comment = g_strdup_printf("Key Input Sent: Prog%d (%d)", (pi->key_val & 31), pi->sequence);
|
|
}
|
|
|
|
if(pi->key_val != -1) {
|
|
|
|
frame_label = "KEY INPUT";
|
|
|
|
if (comment == NULL)
|
|
/* Ouch! What do you do!? */
|
|
/* User pressed something */
|
|
comment = g_strdup_printf("Key Input Sent: UNKNOWN - %d (%d)", pi->key_val, pi->sequence);
|
|
|
|
/* add to the graph */
|
|
add_to_graph(tapinfo, pinfo, edt, frame_label, comment, callsinfo->call_num, &(pinfo->src), &(pinfo->dst), 1);
|
|
|
|
g_free(comment);
|
|
}
|
|
|
|
if(pi->hook_state == 1) {
|
|
|
|
/* Phone is off hook */
|
|
frame_label = "OFF HOOK";
|
|
comment = g_strdup_printf("Off Hook (%d)", pi->sequence);
|
|
|
|
/* add to the graph */
|
|
add_to_graph(tapinfo, pinfo, edt, frame_label, comment, callsinfo->call_num, &(pinfo->src), &(pinfo->dst), 1);
|
|
|
|
g_free(comment);
|
|
} else if(pi->hook_state == 0) {
|
|
|
|
/* Phone is on hook */
|
|
frame_label = "ON HOOK";
|
|
comment = g_strdup_printf("On Hook (%d)", pi->sequence);
|
|
|
|
/* add to the graph */
|
|
add_to_graph(tapinfo, pinfo, edt, frame_label, comment, callsinfo->call_num, &(pinfo->src), &(pinfo->dst), 1);
|
|
|
|
g_free(comment);
|
|
}
|
|
}
|
|
|
|
/* Open stream was sent from server */
|
|
if(pi->stream_connect == 1 && callsinfo != NULL) {
|
|
|
|
/* Open stream */
|
|
/* Signifies the start of the call so set start_sec & start_usec */
|
|
/* Frame data holds the time info */
|
|
callsinfo->start_fd=pinfo->fd;
|
|
callsinfo->start_rel_ts=pinfo->rel_ts;
|
|
/* Each packet COULD BE OUR LAST!!!! */
|
|
/* Store frame data which holds time and frame number */
|
|
callsinfo->stop_fd = pinfo->fd;
|
|
callsinfo->stop_rel_ts = pinfo->rel_ts;
|
|
|
|
/* Local packets too */
|
|
++(callsinfo->npackets);
|
|
|
|
/* increment the packets counter of all calls */
|
|
++(tapinfo->npackets);
|
|
|
|
/* ?? means we're not quite sure if this is accurate. Since Unistim isn't a true
|
|
Call control protocol, we can only guess at the destination by messing with
|
|
key buffers. */
|
|
if(tmp_unistim_info->key_buffer != NULL) {
|
|
callsinfo->to_identity = g_strdup_printf("?? %s",tmp_unistim_info->key_buffer);
|
|
}
|
|
|
|
/* change sequence number for ACK detection */
|
|
tmp_unistim_info->sequence = pi->sequence;
|
|
|
|
/* State changes too */
|
|
callsinfo->call_active_state = VOIP_ACTIVE;
|
|
callsinfo->call_state = VOIP_IN_CALL;
|
|
|
|
/* Add graph data */
|
|
frame_label = "STREAM OPENED";
|
|
comment = g_strdup_printf("Stream Opened (%d)",pi->sequence);
|
|
|
|
/* add to the graph */
|
|
add_to_graph(tapinfo, pinfo, edt, frame_label, comment, callsinfo->call_num, &(pinfo->src), &(pinfo->dst), 1);
|
|
|
|
} else if(pi->stream_connect == 1 && callsinfo == NULL) {
|
|
|
|
/* Research indicates some nortel products initiate stream first
|
|
* without keypresses. therefore creating this solely on a keypress is
|
|
* ineffective.
|
|
* Sometimes calls start immediately with open stream.
|
|
*/
|
|
callsinfo = (voip_calls_info_t *)g_malloc0(sizeof(voip_calls_info_t));
|
|
callsinfo->call_active_state = VOIP_ACTIVE;
|
|
callsinfo->call_state = VOIP_CALL_SETUP;
|
|
callsinfo->from_identity=g_strdup("UNKNOWN");
|
|
callsinfo->to_identity=g_strdup("UNKNOWN");
|
|
copy_address(&(callsinfo->initial_speaker),&(pinfo->src));
|
|
|
|
/* Set this on init of struct so in case the call doesn't complete, we'll have a ref. */
|
|
/* Otherwise if the call is completed we'll have the open/close streams to ref actual call duration */
|
|
callsinfo->start_fd=pinfo->fd;
|
|
callsinfo->start_rel_ts=pinfo->rel_ts;
|
|
|
|
callsinfo->protocol=VOIP_UNISTIM;
|
|
callsinfo->prot_info=g_malloc(sizeof(unistim_info_t));
|
|
|
|
tmp_unistim_info = (unistim_info_t *)callsinfo->prot_info;
|
|
|
|
/* Clear tap struct */
|
|
tmp_unistim_info->rudp_type = 0;
|
|
tmp_unistim_info->payload_type = 0;
|
|
tmp_unistim_info->sequence = pi->sequence;
|
|
tmp_unistim_info->termid = 0;
|
|
tmp_unistim_info->key_val = -1;
|
|
tmp_unistim_info->key_state = -1;
|
|
tmp_unistim_info->hook_state = -1;
|
|
tmp_unistim_info->stream_connect = -1;
|
|
tmp_unistim_info->trans_connect = -1;
|
|
tmp_unistim_info->set_termid = -1;
|
|
tmp_unistim_info->string_data = NULL;
|
|
tmp_unistim_info->key_buffer = NULL;
|
|
|
|
copy_address(&(tmp_unistim_info->it_ip),&(pi->it_ip));
|
|
copy_address(&(tmp_unistim_info->ni_ip),&(pi->ni_ip));
|
|
tmp_unistim_info->it_port = pi->it_port;
|
|
|
|
callsinfo->free_prot_info = g_free;
|
|
callsinfo->npackets = 0;
|
|
callsinfo->call_num = tapinfo->ncalls++;
|
|
g_queue_push_tail(tapinfo->callsinfos, callsinfo);
|
|
|
|
/* Open stream */
|
|
/* Each packet COULD BE OUR LAST!!!! */
|
|
/* Store frame data which holds time and frame number */
|
|
callsinfo->stop_fd = pinfo->fd;
|
|
callsinfo->stop_rel_ts = pinfo->rel_ts;
|
|
/* Local packets too */
|
|
++(callsinfo->npackets);
|
|
|
|
/* increment the packets counter of all calls */
|
|
++(tapinfo->npackets);
|
|
|
|
/* ?? means we're not quite sure if this is accurate. Since Unistim isn't a true
|
|
Call control protocol, we can only guess at the destination by messing with
|
|
key buffers. */
|
|
if(tmp_unistim_info->key_buffer != NULL) {
|
|
callsinfo->to_identity = g_strdup_printf("?? %s",tmp_unistim_info->key_buffer);
|
|
}
|
|
|
|
/* change sequence number for ACK detection */
|
|
tmp_unistim_info->sequence = pi->sequence;
|
|
|
|
/* State changes too */
|
|
callsinfo->call_active_state = VOIP_ACTIVE;
|
|
callsinfo->call_state = VOIP_IN_CALL;
|
|
|
|
/* Add graph data */
|
|
frame_label = "STREAM OPENED";
|
|
comment = g_strdup_printf("Stream Opened (%d)",pi->sequence);
|
|
|
|
/* add to the graph */
|
|
add_to_graph(tapinfo, pinfo, edt, frame_label, comment, callsinfo->call_num, &(pinfo->src), &(pinfo->dst), 1);
|
|
|
|
} else if(pi->stream_connect == 0 && callsinfo != NULL) {
|
|
/* Close Stream */
|
|
|
|
/* Set stop seconds + usec */
|
|
/* frame_data holds the time info */
|
|
callsinfo->stop_fd = pinfo->fd;
|
|
callsinfo->stop_rel_ts = pinfo->rel_ts;
|
|
|
|
tmp_unistim_info->sequence = pi->sequence;
|
|
|
|
if(callsinfo->call_state == VOIP_IN_CALL) {
|
|
callsinfo->call_active_state = VOIP_INACTIVE;
|
|
callsinfo->call_state = VOIP_COMPLETED;
|
|
} else {
|
|
callsinfo->call_state = VOIP_UNKNOWN;
|
|
callsinfo->call_active_state = VOIP_INACTIVE;
|
|
}
|
|
|
|
frame_label = "STREAM CLOSED";
|
|
comment = g_strdup_printf("Stream Closed (%d)",pi->sequence);
|
|
|
|
/* add to the graph */
|
|
add_to_graph(tapinfo, pinfo, edt, frame_label, comment, callsinfo->call_num, &(pinfo->src), &(pinfo->dst), 1);
|
|
|
|
} else
|
|
comment = NULL;
|
|
|
|
} else if(pi->rudp_type == 1 && callsinfo != NULL) {
|
|
/* ACK */
|
|
/* Only show acks for processed seq #s */
|
|
if(tmp_unistim_info->sequence == pi->sequence) {
|
|
|
|
frame_label = "ACK";
|
|
comment = g_strdup_printf("ACK for sequence %d",pi->sequence);
|
|
|
|
/* add to the graph */
|
|
add_to_graph(tapinfo, pinfo, edt, frame_label, comment, callsinfo->call_num, &(pinfo->src), &(pinfo->dst), 1);
|
|
|
|
}
|
|
|
|
} else if(pi->rudp_type == 0 && callsinfo != NULL) {
|
|
|
|
/* NAK */
|
|
frame_label = "NAK";
|
|
comment = g_strdup_printf("NAK for sequence %d",pi->sequence);
|
|
|
|
/* add to the graph */
|
|
add_to_graph(tapinfo, pinfo, edt, frame_label, comment, callsinfo->call_num, &(pinfo->src), &(pinfo->dst), 1);
|
|
|
|
}
|
|
|
|
/* free data */
|
|
g_free(comment);
|
|
|
|
tapinfo->redraw |= REDRAW_UNISTIM;
|
|
|
|
return TAP_PACKET_REDRAW;
|
|
}
|
|
|
|
/****************************************************************************/
|
|
static void
|
|
unistim_calls_draw(void *tap_offset_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_unistim_);
|
|
|
|
if (tapinfo->tap_draw && (tapinfo->redraw & REDRAW_UNISTIM)) {
|
|
tapinfo->tap_draw(tapinfo);
|
|
tapinfo->redraw &= ~REDRAW_UNISTIM;
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* TAP INTERFACE */
|
|
/****************************************************************************/
|
|
void
|
|
unistim_calls_init_tap(voip_calls_tapinfo_t *tap_id_base) {
|
|
|
|
GString *error_string;
|
|
|
|
error_string = register_tap_listener("unistim", tap_base_to_id(tap_id_base, tap_id_offset_unistim_),
|
|
NULL,
|
|
0,
|
|
NULL,
|
|
unistim_calls_packet,
|
|
unistim_calls_draw,
|
|
NULL
|
|
);
|
|
|
|
if (error_string != NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"%s", error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
void
|
|
remove_tap_listener_unistim_calls(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
remove_tap_listener(tap_base_to_id(tap_id_base, tap_id_offset_unistim_));
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* ***************************TAP for SKINNY **********************************/
|
|
/****************************************************************************/
|
|
|
|
/* Telecaster to tap-voip call state mapping */
|
|
static const voip_call_state skinny_tap_voip_state[] = {
|
|
VOIP_NO_STATE,
|
|
VOIP_CALL_SETUP,
|
|
VOIP_COMPLETED,
|
|
VOIP_RINGING,
|
|
VOIP_RINGING,
|
|
VOIP_IN_CALL,
|
|
VOIP_REJECTED,
|
|
VOIP_REJECTED,
|
|
VOIP_IN_CALL,
|
|
VOIP_IN_CALL,
|
|
VOIP_COMPLETED,
|
|
VOIP_COMPLETED,
|
|
VOIP_CALL_SETUP,
|
|
VOIP_UNKNOWN,
|
|
VOIP_REJECTED
|
|
};
|
|
|
|
static tap_packet_status
|
|
skinny_calls_packet(void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *edt, const void *skinny_info)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_skinny_);
|
|
GList* list;
|
|
voip_calls_info_t *callsinfo = NULL;
|
|
address* phone;
|
|
const skinny_info_t *si = (const skinny_info_t *)skinny_info;
|
|
skinny_calls_info_t *tmp_skinnyinfo;
|
|
gchar *comment;
|
|
|
|
if (si == NULL || (si->callId == 0 && si->passThroughPartyId == 0))
|
|
return TAP_PACKET_DONT_REDRAW;
|
|
/* check whether we already have this context in the list */
|
|
list = g_queue_peek_nth_link(tapinfo->callsinfos, 0);
|
|
while (list)
|
|
{
|
|
voip_calls_info_t* tmp_listinfo = (voip_calls_info_t *)list->data;
|
|
if (tmp_listinfo->protocol == VOIP_SKINNY) {
|
|
tmp_skinnyinfo = (skinny_calls_info_t *)tmp_listinfo->prot_info;
|
|
if (tmp_skinnyinfo->callId == si->callId ||
|
|
tmp_skinnyinfo->callId == si->passThroughPartyId) {
|
|
callsinfo = (voip_calls_info_t*)(list->data);
|
|
break;
|
|
}
|
|
}
|
|
list = g_list_next (list);
|
|
}
|
|
|
|
if (si->messId >= 256)
|
|
phone = &(pinfo->dst);
|
|
else
|
|
phone = &(pinfo->src);
|
|
|
|
if (callsinfo==NULL) {
|
|
callsinfo = (voip_calls_info_t *)g_malloc0(sizeof(voip_calls_info_t));
|
|
callsinfo->call_state = VOIP_NO_STATE;
|
|
callsinfo->call_active_state = VOIP_ACTIVE;
|
|
/* callsinfo->from_identity = g_strdup_printf("%s : %.8x", "Skinny", 1); */
|
|
callsinfo->from_identity = g_strdup("");
|
|
callsinfo->to_identity = g_strdup("");
|
|
callsinfo->prot_info = g_malloc(sizeof(skinny_calls_info_t));
|
|
callsinfo->free_prot_info = g_free;
|
|
tmp_skinnyinfo = (skinny_calls_info_t *)callsinfo->prot_info;
|
|
tmp_skinnyinfo->callId = si->callId ? si->callId : si->passThroughPartyId;
|
|
callsinfo->npackets = 1;
|
|
|
|
copy_address(&(callsinfo->initial_speaker), phone);
|
|
|
|
callsinfo->protocol = VOIP_SKINNY;
|
|
callsinfo->call_num = tapinfo->ncalls++;
|
|
callsinfo->start_fd = pinfo->fd;
|
|
callsinfo->start_rel_ts = pinfo->rel_ts;
|
|
callsinfo->stop_fd = pinfo->fd;
|
|
callsinfo->stop_rel_ts = pinfo->rel_ts;
|
|
|
|
g_queue_push_tail(tapinfo->callsinfos, callsinfo);
|
|
} else {
|
|
if (si->callingParty) {
|
|
g_free(callsinfo->from_identity);
|
|
callsinfo->from_identity = g_strdup(si->callingParty);
|
|
}
|
|
if (si->calledParty) {
|
|
g_free(callsinfo->to_identity);
|
|
callsinfo->to_identity = g_strdup(si->calledParty);
|
|
}
|
|
if ((si->callState > 0) && (si->callState < (sizeof(skinny_tap_voip_state)/sizeof(skinny_tap_voip_state[0]))))
|
|
callsinfo->call_state = skinny_tap_voip_state[si->callState];
|
|
|
|
callsinfo->stop_fd = pinfo->fd;
|
|
callsinfo->stop_rel_ts = pinfo->rel_ts;
|
|
++(callsinfo->npackets);
|
|
}
|
|
|
|
if (si->callId) {
|
|
if (si->passThroughPartyId)
|
|
comment = g_strdup_printf("CallId = %u, PTId = %u", si->callId, si->passThroughPartyId);
|
|
else
|
|
comment = g_strdup_printf("CallId = %u, LineId = %u", si->callId, si->lineId);
|
|
} else {
|
|
if (si->passThroughPartyId)
|
|
comment = g_strdup_printf("PTId = %u", si->passThroughPartyId);
|
|
else
|
|
comment = NULL;
|
|
}
|
|
|
|
add_to_graph(tapinfo, pinfo, edt, si->messageName, comment,
|
|
callsinfo->call_num, &(pinfo->src), &(pinfo->dst), 1);
|
|
g_free(comment);
|
|
|
|
tapinfo->redraw |= REDRAW_SKINNY;
|
|
|
|
return TAP_PACKET_REDRAW;
|
|
}
|
|
|
|
/****************************************************************************/
|
|
static void
|
|
skinny_calls_draw(void *tap_offset_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_skinny_);
|
|
|
|
if (tapinfo->tap_draw && (tapinfo->redraw & REDRAW_SKINNY)) {
|
|
tapinfo->tap_draw(tapinfo);
|
|
tapinfo->redraw &= ~REDRAW_SKINNY;
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* TAP INTERFACE */
|
|
/****************************************************************************/
|
|
void
|
|
skinny_calls_init_tap(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
GString *error_string;
|
|
|
|
/*
|
|
* We set TL_REQUIRES_PROTO_TREE to force a non-null "tree"
|
|
* in the SKINNY dissector; otherwise, the dissector
|
|
* doesn't fill in the info passed to the tap's packet
|
|
* routine.
|
|
*/
|
|
error_string = register_tap_listener("skinny",
|
|
tap_base_to_id(tap_id_base, tap_id_offset_skinny_),
|
|
NULL,
|
|
TL_REQUIRES_PROTO_TREE,
|
|
NULL,
|
|
skinny_calls_packet,
|
|
skinny_calls_draw,
|
|
NULL
|
|
);
|
|
if (error_string != NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"%s", error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
void
|
|
remove_tap_listener_skinny_calls(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
remove_tap_listener(tap_base_to_id(tap_id_base, tap_id_offset_skinny_));
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* ***************************TAP for IAX2 **********************************/
|
|
/****************************************************************************/
|
|
|
|
static void free_iax2_info(gpointer p) {
|
|
iax2_info_t *ii = (iax2_info_t *)p;
|
|
|
|
g_free(ii);
|
|
}
|
|
|
|
|
|
/****************************************************************************/
|
|
/* whenever a IAX2 packet is seen by the tap listener */
|
|
static tap_packet_status
|
|
iax2_calls_packet( void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *edt, const void *iax2_info)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_iax2_);
|
|
GList* list;
|
|
voip_calls_info_t *callsinfo = NULL;
|
|
address *phone;
|
|
const iax2_info_t *ii = (const iax2_info_t *)iax2_info;
|
|
iax2_info_t *tmp_iax2info;
|
|
|
|
if (ii == NULL || ii->ptype != IAX2_FULL_PACKET || (ii->scallno == 0 && ii->dcallno == 0))
|
|
return TAP_PACKET_DONT_REDRAW;
|
|
/* check whether we already have this context in the list */
|
|
list = g_queue_peek_nth_link(tapinfo->callsinfos, 0);
|
|
while (list)
|
|
{
|
|
voip_calls_info_t* tmp_listinfo = (voip_calls_info_t *)list->data;
|
|
if (tmp_listinfo->protocol == VOIP_IAX2) {
|
|
tmp_iax2info = (iax2_info_t *)tmp_listinfo->prot_info;
|
|
if (tmp_iax2info->scallno == ii->scallno ||
|
|
tmp_iax2info->scallno == ii->dcallno) {
|
|
callsinfo = (voip_calls_info_t*)(list->data);
|
|
break;
|
|
}
|
|
}
|
|
list = g_list_next (list);
|
|
}
|
|
phone = &(pinfo->src);
|
|
|
|
|
|
if (callsinfo==NULL) {
|
|
/* We only care about real calls, i.e., no registration stuff */
|
|
if (ii->ftype != AST_FRAME_IAX || ii->csub != IAX_COMMAND_NEW)
|
|
return TAP_PACKET_DONT_REDRAW;
|
|
callsinfo = (voip_calls_info_t *)g_malloc0(sizeof(voip_calls_info_t));
|
|
callsinfo->call_state = VOIP_NO_STATE;
|
|
callsinfo->call_active_state = VOIP_ACTIVE;
|
|
callsinfo->prot_info=g_malloc(sizeof(iax2_info_t));
|
|
callsinfo->free_prot_info = free_iax2_info;
|
|
tmp_iax2info = (iax2_info_t *)callsinfo->prot_info;
|
|
|
|
tmp_iax2info->scallno = ii->scallno;
|
|
if (tmp_iax2info->scallno == 0) tmp_iax2info->scallno = ii->dcallno;
|
|
tmp_iax2info->callState = ii->callState;
|
|
|
|
callsinfo->npackets = 1;
|
|
|
|
copy_address(&(callsinfo->initial_speaker), phone);
|
|
callsinfo->from_identity = g_strdup(ii->callingParty);
|
|
callsinfo->to_identity = g_strdup(ii->calledParty);
|
|
|
|
callsinfo->protocol = VOIP_IAX2;
|
|
callsinfo->call_num = tapinfo->ncalls++;
|
|
callsinfo->start_fd=pinfo->fd;
|
|
callsinfo->start_rel_ts=pinfo->rel_ts;
|
|
callsinfo->stop_fd = pinfo->fd;
|
|
callsinfo->stop_rel_ts = pinfo->rel_ts;
|
|
|
|
g_queue_push_tail(tapinfo->callsinfos, callsinfo);
|
|
|
|
} else {
|
|
callsinfo->call_state = ii->callState;
|
|
|
|
callsinfo->stop_fd = pinfo->fd;
|
|
callsinfo->stop_rel_ts = pinfo->rel_ts;
|
|
++(callsinfo->npackets);
|
|
}
|
|
|
|
add_to_graph(tapinfo, pinfo, edt, ii->messageName, "",
|
|
callsinfo->call_num, &(pinfo->src), &(pinfo->dst), 1);
|
|
|
|
tapinfo->redraw |= REDRAW_IAX2;
|
|
|
|
return TAP_PACKET_REDRAW;
|
|
|
|
}
|
|
|
|
/****************************************************************************/
|
|
static void
|
|
iax2_calls_draw(void *tap_offset_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_iax2_);
|
|
|
|
if (tapinfo->tap_draw && (tapinfo->redraw & REDRAW_IAX2)) {
|
|
tapinfo->tap_draw(tapinfo);
|
|
tapinfo->redraw &= ~REDRAW_IAX2;
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* TAP INTERFACE */
|
|
/****************************************************************************/
|
|
void
|
|
iax2_calls_init_tap(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
GString *error_string;
|
|
|
|
/*
|
|
* We set TL_REQUIRES_PROTO_TREE to force a non-null "tree"
|
|
* in the IAX2 dissector; otherwise, the dissector
|
|
* doesn't fill in the info passed to the tap's packet
|
|
* routine.
|
|
* XXX - that appears to be true of the MGCP and SKINNY
|
|
* dissectors, but, unless I've missed something, it doesn't
|
|
* appear to be true of the IAX2 dissector.
|
|
*/
|
|
error_string = register_tap_listener("IAX2",
|
|
tap_base_to_id(tap_id_base, tap_id_offset_iax2_),
|
|
NULL,
|
|
TL_REQUIRES_PROTO_TREE,
|
|
NULL,
|
|
iax2_calls_packet,
|
|
iax2_calls_draw,
|
|
NULL
|
|
);
|
|
if (error_string != NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "%s",
|
|
error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
void
|
|
remove_tap_listener_iax2_calls(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
remove_tap_listener(tap_base_to_id(tap_id_base, tap_id_offset_iax2_));
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* ***************************TAP for OTHER PROTOCOL **********************************/
|
|
/****************************************************************************/
|
|
|
|
/* voip_calls_packet and voip_calls_init_tap appear to be dead code. We don't have a "voip" tap. */
|
|
static tap_packet_status
|
|
voip_calls_packet(void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *edt, const void *VoIPinfo)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_voip_);
|
|
voip_calls_info_t *callsinfo = NULL;
|
|
voip_calls_info_t *tmp_listinfo;
|
|
GList *list = NULL;
|
|
const voip_packet_info_t *pi = (const voip_packet_info_t *)VoIPinfo;
|
|
|
|
/* VOIP_CALLS_DEBUG("num %u", pinfo->num); */
|
|
if (pi->call_id)
|
|
list = g_queue_peek_nth_link(tapinfo->callsinfos, 0);
|
|
while (list) {
|
|
tmp_listinfo = (voip_calls_info_t *)list->data;
|
|
if ( tmp_listinfo->protocol == VOIP_COMMON ) {
|
|
if (!strcmp(pi->call_id, tmp_listinfo->call_id)) {
|
|
callsinfo = (voip_calls_info_t*)(list->data);
|
|
break;
|
|
}
|
|
}
|
|
list = g_list_next(list);
|
|
}
|
|
|
|
if (callsinfo == NULL) {
|
|
callsinfo = (voip_calls_info_t *)g_malloc0(sizeof(voip_calls_info_t));
|
|
callsinfo->call_active_state = pi->call_active_state;
|
|
callsinfo->call_state = pi->call_state;
|
|
callsinfo->call_id=g_strdup((pi->call_id)?pi->call_id:"");
|
|
callsinfo->from_identity = g_strdup((pi->from_identity)?pi->from_identity:"");
|
|
callsinfo->to_identity = g_strdup((pi->to_identity)?pi->to_identity:"");
|
|
copy_address(&(callsinfo->initial_speaker),&(pinfo->src));
|
|
callsinfo->start_fd=pinfo->fd;
|
|
callsinfo->start_rel_ts=pinfo->rel_ts;
|
|
callsinfo->protocol=VOIP_COMMON;
|
|
callsinfo->protocol_name=g_strdup((pi->protocol_name)?pi->protocol_name:"");
|
|
callsinfo->call_comment=g_strdup((pi->call_comment)?pi->call_comment:"");
|
|
callsinfo->prot_info=NULL;
|
|
callsinfo->free_prot_info = NULL;
|
|
|
|
callsinfo->call_num = tapinfo->ncalls++;
|
|
callsinfo->npackets = 0;
|
|
|
|
g_queue_push_tail(tapinfo->callsinfos, callsinfo);
|
|
}
|
|
|
|
callsinfo->call_active_state = pi->call_active_state;
|
|
if ((callsinfo->call_state != VOIP_COMPLETED) && (pi->call_state == VOIP_COMPLETED))
|
|
tapinfo->completed_calls++;
|
|
if (pi->call_state != VOIP_NO_STATE)
|
|
callsinfo->call_state = pi->call_state;
|
|
if (pi->call_comment) {
|
|
g_free(callsinfo->call_comment);
|
|
callsinfo->call_comment=g_strdup(pi->call_comment);
|
|
}
|
|
callsinfo->stop_fd = pinfo->fd;
|
|
callsinfo->stop_rel_ts = pinfo->rel_ts;
|
|
++(callsinfo->npackets);
|
|
++(tapinfo->npackets);
|
|
|
|
/* add to the graph */
|
|
add_to_graph(tapinfo, pinfo, edt, (pi->frame_label)?pi->frame_label:"VoIP msg", pi->frame_comment, callsinfo->call_num, &(pinfo->src), &(pinfo->dst), 1);
|
|
|
|
tapinfo->redraw |= REDRAW_VOIP;
|
|
|
|
return TAP_PACKET_REDRAW;
|
|
}
|
|
|
|
/****************************************************************************/
|
|
static void
|
|
voip_calls_draw(void *tap_offset_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_voip_);
|
|
|
|
if (tapinfo->tap_draw && (tapinfo->redraw & REDRAW_VOIP)) {
|
|
tapinfo->tap_draw(tapinfo);
|
|
tapinfo->redraw &= ~REDRAW_VOIP;
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
|
|
void
|
|
voip_calls_init_tap(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
GString *error_string;
|
|
|
|
error_string = register_tap_listener("voip", tap_base_to_id(tap_id_base, tap_id_offset_voip_),
|
|
NULL,
|
|
0,
|
|
NULL,
|
|
voip_calls_packet,
|
|
voip_calls_draw,
|
|
NULL
|
|
);
|
|
|
|
if (error_string != NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"%s", error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
void
|
|
remove_tap_listener_voip_calls(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
remove_tap_listener(tap_base_to_id(tap_id_base, tap_id_offset_voip_));
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* ***************************TAP for OTHER PROTOCOL **********************************/
|
|
/****************************************************************************/
|
|
|
|
/****************************************************************************/
|
|
/* whenever a prot_ packet is seen by the tap listener */
|
|
#if 0
|
|
static tap_packet_status
|
|
prot_calls_packet(void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *edt _U_, const void *prot_info _U_)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_prot_);
|
|
if (callsinfo!=NULL) {
|
|
callsinfo->stop_abs = pinfo->abs_ts;
|
|
callsinfo->stop_rel = pinfo->rel_ts;
|
|
callsinfo->last_frame_num=pinfo->num;
|
|
++(callsinfo->npackets);
|
|
++(tapinfo->npackets);
|
|
}
|
|
|
|
tapinfo->redraw = REDRAW_PROT;
|
|
|
|
return TAP_PACKET_REDRAW;
|
|
}
|
|
|
|
/****************************************************************************/
|
|
static void
|
|
prot_calls_draw(void *tap_offset_ptr)
|
|
{
|
|
voip_calls_tapinfo_t *tapinfo = tap_id_to_base(tap_offset_ptr, tap_id_offset_prot_);
|
|
|
|
if (tapinfo->tap_draw && (tapinfo->redraw & REDRAW_PROT)) {
|
|
tapinfo->tap_draw(tapinfo);
|
|
tapinfo->redraw &= ~REDRAW_PROT;
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
void
|
|
prot_calls_init_tap(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
GString *error_string;
|
|
|
|
error_string = register_tap_listener("prot_", tap_base_to_id(tap_id_base, tap_id_offset_prot_),
|
|
NULL,
|
|
0,
|
|
NULL,
|
|
prot_calls_packet,
|
|
prot_calls_draw,
|
|
NULL
|
|
);
|
|
|
|
if (error_string != NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"%s", error_string->str);
|
|
g_string_free(error_string, TRUE);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
void
|
|
remove_tap_listener_prot__calls(voip_calls_tapinfo_t *tap_id_base)
|
|
{
|
|
remove_tap_listener(tap_base_to_id(tap_id_base, tap_id_offset_prot_));
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Editor modelines - https://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local Variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* ex: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
*/
|