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/* packet-iax2.h
*
* Copyright (C) 2003, Digium
* Mark Spencer <markster@digium.com>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef __PACKET_IAX2_H__
#define __PACKET_IAX2_H__
#include <epan/tap-voip.h>
#include <epan/conversation.h>
/* Max version of IAX protocol we support */
#define IAX_PROTO_VERSION 2
#define IAX_MAX_CALLS 32768
#define IAX_FLAG_FULL 0x8000
#define IAX_FLAG_RETRANS 0x8000
#define IAX_FLAG_SC_LOG 0x80
#define IAX_MAX_SHIFT 0x1F
#define IAX_WINDOW 64
#define AST_FRAME_DTMF_END 1 /* A DTMF end event, subclass is the digit */
#define AST_FRAME_VOICE 2 /* Voice data, subclass is AST_FORMAT_* */
#define AST_FRAME_VIDEO 3 /* Video frame, maybe?? :) */
#define AST_FRAME_CONTROL 4 /* A control frame, subclass is AST_CONTROL_* */
#define AST_FRAME_NULL 5 /* An empty, useless frame */
#define AST_FRAME_IAX 6 /* Inter Aterisk Exchange private frame type */
#define AST_FRAME_TEXT 7 /* Text messages */
#define AST_FRAME_IMAGE 8 /* Image Frames */
#define AST_FRAME_HTML 9 /* HTML Frames */
#define AST_FRAME_CNG 10 /* Confort Noise Generation */
#define AST_FRAME_MODEM 11 /* Modem-over-IP datastream */
#define AST_FRAME_DTMF_BEGIN 12 /* A DTMF begin event, subclass is the digit */
/* Subclass for AST_FRAME_IAX */
#define IAX_COMMAND_NEW 1
#define IAX_COMMAND_PING 2
#define IAX_COMMAND_PONG 3
#define IAX_COMMAND_ACK 4
#define IAX_COMMAND_HANGUP 5
#define IAX_COMMAND_REJECT 6
#define IAX_COMMAND_ACCEPT 7
#define IAX_COMMAND_AUTHREQ 8
#define IAX_COMMAND_AUTHREP 9
#define IAX_COMMAND_INVAL 10
#define IAX_COMMAND_LAGRQ 11
#define IAX_COMMAND_LAGRP 12
#define IAX_COMMAND_REGREQ 13 /* Registration request */
#define IAX_COMMAND_REGAUTH 14 /* Registration authentication required */
#define IAX_COMMAND_REGACK 15 /* Registration accepted */
#define IAX_COMMAND_REGREJ 16 /* Registration rejected */
#define IAX_COMMAND_REGREL 17 /* Force release of registration */
#define IAX_COMMAND_VNAK 18 /* If we receive voice before valid first voice frame, send this */
#define IAX_COMMAND_DPREQ 19 /* Request status of a dialplan entry */
#define IAX_COMMAND_DPREP 20 /* Request status of a dialplan entry */
#define IAX_COMMAND_DIAL 21 /* Request a dial on channel brought up TBD */
#define IAX_COMMAND_TXREQ 22 /* Transfer Request */
#define IAX_COMMAND_TXCNT 23 /* Transfer Connect */
#define IAX_COMMAND_TXACC 24 /* Transfer Accepted */
#define IAX_COMMAND_TXREADY 25 /* Transfer ready */
#define IAX_COMMAND_TXREL 26 /* Transfer release */
#define IAX_COMMAND_TXREJ 27 /* Transfer reject */
#define IAX_COMMAND_QUELCH 28 /* Stop audio/video transmission */
#define IAX_COMMAND_UNQUELCH 29 /* Resume audio/video transmission */
#define IAX_COMMAND_POKE 30 /* Like ping, but does not require an open connection */
#define IAX_COMMAND_PAGE 31 /* Paging description */
#define IAX_COMMAND_MWI 32 /* Stand-alone message waiting indicator */
#define IAX_COMMAND_UNSUPPORT 33 /* Unsupported message received */
#define IAX_COMMAND_TRANSFER 34 /* Request remote transfer */
#define IAX_COMMAND_PROVISION 35 /* Provision device */
#define IAX_COMMAND_FWDOWNL 36 /* Download firmware */
#define IAX_COMMAND_FWDATA 37 /* Firmware Data */
#define IAX_COMMAND_TXMEDIA 38 /* Transfer Media */
#define IAX_COMMAND_RTKEY 39 /* Rotate key */
#define IAX_COMMAND_CALLTOKEN 40 /* Call token */
#define IAX_DEFAULT_REG_EXPIRE 60 /* By default require re-registration once per minute */
#define IAX_LINGER_TIMEOUT 10 /* How long to wait before closing bridged call */
#define IAX_DEFAULT_PORTNO 4569
/* IAX Information elements */
#define IAX_IE_CALLED_NUMBER 1 /* Number/extension being called - string */
#define IAX_IE_CALLING_NUMBER 2 /* Calling number - string */
#define IAX_IE_CALLING_ANI 3 /* Calling number ANI for billing - string */
#define IAX_IE_CALLING_NAME 4 /* Name of caller - string */
#define IAX_IE_CALLED_CONTEXT 5 /* Context for number - string */
#define IAX_IE_USERNAME 6 /* Username (peer or user) for authentication - string */
#define IAX_IE_PASSWORD 7 /* Password for authentication - string */
#define IAX_IE_CAPABILITY 8 /* Actual codec capability - unsigned int */
#define IAX_IE_FORMAT 9 /* Desired codec format - unsigned int */
#define IAX_IE_LANGUAGE 10 /* Desired language - string */
#define IAX_IE_VERSION 11 /* Protocol version - short */
#define IAX_IE_ADSICPE 12 /* CPE ADSI capability - short */
#define IAX_IE_DNID 13 /* Originally dialed DNID - string */
#define IAX_IE_AUTHMETHODS 14 /* Authentication method(s) - short */
#define IAX_IE_CHALLENGE 15 /* Challenge data for MD5/RSA - string */
#define IAX_IE_MD5_RESULT 16 /* MD5 challenge result - string */
#define IAX_IE_RSA_RESULT 17 /* RSA challenge result - string */
#define IAX_IE_APPARENT_ADDR 18 /* Apparent address of peer - struct sockaddr_in */
#define IAX_IE_REFRESH 19 /* When to refresh registration - short */
#define IAX_IE_DPSTATUS 20 /* Dialplan status - short */
#define IAX_IE_CALLNO 21 /* Call number of peer - short */
#define IAX_IE_CAUSE 22 /* Cause - string */
#define IAX_IE_IAX_UNKNOWN 23 /* Unknown IAX command - byte */
#define IAX_IE_MSGCOUNT 24 /* How many messages waiting - short */
#define IAX_IE_AUTOANSWER 25 /* Request auto-answering -- none */
#define IAX_IE_MUSICONHOLD 26 /* Request musiconhold with QUELCH -- none or string */
#define IAX_IE_TRANSFERID 27 /* Transfer Request Identifier -- int */
#define IAX_IE_RDNIS 28 /* Referring DNIS -- string */
#define IAX_IE_PROVISIONING 29 /* Provisioning info */
#define IAX_IE_AESPROVISIONING 30 /* AES Provisioning info */
#define IAX_IE_DATETIME 31 /* Date/Time -- unsigned int */
#define IAX_IE_DEVICETYPE 32 /* Device Type -- string */
#define IAX_IE_SERVICEIDENT 33 /* Service Identifier -- string */
#define IAX_IE_FIRMWAREVER 34 /* Firmware revision -- u16 */
#define IAX_IE_FWBLOCKDESC 35 /* Firmware block description -- u32 */
#define IAX_IE_FWBLOCKDATA 36 /* Firmware block of data -- raw */
#define IAX_IE_PROVVER 37 /* Provisioning Version (u32) */
#define IAX_IE_CALLINGPRES 38 /* Calling presentation (u8) */
#define IAX_IE_CALLINGTON 39 /* Calling type of number (u8) */
#define IAX_IE_CALLINGTNS 40 /* Calling transit network select (u16) */
#define IAX_IE_SAMPLINGRATE 41 /* Supported sampling rates (u16) */
#define IAX_IE_CAUSECODE 42 /* Hangup cause (u8) */
#define IAX_IE_ENCRYPTION 43 /* Encryption format (u16) */
#define IAX_IE_ENCKEY 44 /* Encryption key (raw) */
#define IAX_IE_CODEC_PREFS 45 /* Codec Negotiation */
#define IAX_IE_RR_JITTER 46 /* Received jitter (as in RFC1889) u32 */
#define IAX_IE_RR_LOSS 47 /* Received loss (high byte loss pct, low 24 bits loss count, as in rfc1889 */
#define IAX_IE_RR_PKTS 48 /* Received frames (total frames received) u32 */
#define IAX_IE_RR_DELAY 49 /* Max playout delay for received frames (in ms) u16 */
#define IAX_IE_RR_DROPPED 50 /* Dropped frames (presumably by jitterbuf) u32 */
#define IAX_IE_RR_OOO 51 /* Frames received Out of Order u32 */
#define IAX_IE_VARIABLE 52 /* IAX variable transmission */
#define IAX_IE_OSPTOKEN 53 /* OSP Token */
#define IAX_IE_CALLTOKEN 54 /* Call Token */
#define IAX_IE_CAPABILITY2 55 /* Codec capability */
#define IAX_IE_FORMAT2 56 /* Desired codec capability */
#define IAX_IE_DATAFORMAT 255 /* Data call format -- iax_dataformat_t */
/* hangup cause codes */
#define AST_CAUSE_UNALLOCATED 1
#define AST_CAUSE_NO_ROUTE_TRANSIT_NET 2
#define AST_CAUSE_NO_ROUTE_DESTINATION 3
#define AST_CAUSE_MISDIALLED_TRUNK_PREFIX 5
#define AST_CAUSE_CHANNEL_UNACCEPTABLE 6
#define AST_CAUSE_CALL_AWARDED_DELIVERED 7
#define AST_CAUSE_PRE_EMPTED 8
#define AST_CAUSE_NUMBER_PORTED_NOT_HERE 14
#define AST_CAUSE_NORMAL_CLEARING 16
#define AST_CAUSE_USER_BUSY 17
#define AST_CAUSE_NO_USER_RESPONSE 18
#define AST_CAUSE_NO_ANSWER 19
#define AST_CAUSE_SUBSCRIBER_ABSENT 20
#define AST_CAUSE_CALL_REJECTED 21
#define AST_CAUSE_NUMBER_CHANGED 22
#define AST_CAUSE_REDIRECTED_TO_NEW_DESTINATION 23
#define AST_CAUSE_ANSWERED_ELSEWHERE 26
#define AST_CAUSE_DESTINATION_OUT_OF_ORDER 27
#define AST_CAUSE_INVALID_NUMBER_FORMAT 28
#define AST_CAUSE_FACILITY_REJECTED 29
#define AST_CAUSE_RESPONSE_TO_STATUS_ENQUIRY 30
#define AST_CAUSE_NORMAL_UNSPECIFIED 31
#define AST_CAUSE_NORMAL_CIRCUIT_CONGESTION 34
#define AST_CAUSE_NETWORK_OUT_OF_ORDER 38
#define AST_CAUSE_NORMAL_TEMPORARY_FAILURE 41
#define AST_CAUSE_SWITCH_CONGESTION 42
#define AST_CAUSE_ACCESS_INFO_DISCARDED 43
#define AST_CAUSE_REQUESTED_CHAN_UNAVAIL 44
#define AST_CAUSE_FACILITY_NOT_SUBSCRIBED 50
#define AST_CAUSE_OUTGOING_CALL_BARRED 52
#define AST_CAUSE_INCOMING_CALL_BARRED 54
#define AST_CAUSE_BEARERCAPABILITY_NOTAUTH 57
#define AST_CAUSE_BEARERCAPABILITY_NOTAVAIL 58
#define AST_CAUSE_BEARERCAPABILITY_NOTIMPL 65
#define AST_CAUSE_CHAN_NOT_IMPLEMENTED 66
#define AST_CAUSE_FACILITY_NOT_IMPLEMENTED 69
#define AST_CAUSE_INVALID_CALL_REFERENCE 81
#define AST_CAUSE_INCOMPATIBLE_DESTINATION 88
#define AST_CAUSE_INVALID_MSG_UNSPECIFIED 95
#define AST_CAUSE_MANDATORY_IE_MISSING 96
#define AST_CAUSE_MESSAGE_TYPE_NONEXIST 97
#define AST_CAUSE_WRONG_MESSAGE 98
#define AST_CAUSE_IE_NONEXIST 99
#define AST_CAUSE_INVALID_IE_CONTENTS 100
#define AST_CAUSE_WRONG_CALL_STATE 101
#define AST_CAUSE_RECOVERY_ON_TIMER_EXPIRE 102
#define AST_CAUSE_MANDATORY_IE_LENGTH_ERROR 103
#define AST_CAUSE_PROTOCOL_ERROR 111
#define AST_CAUSE_INTERWORKING 127
#define IAX_AUTH_PLAINTEXT (1 << 0)
#define IAX_AUTH_MD5 (1 << 1)
#define IAX_AUTH_RSA (1 << 2)
#define IAX_META_TRUNK 1 /* Trunk meta-message */
#define IAX_META_VIDEO 2 /* Video frame */
#define IAX_DPSTATUS_EXISTS (1 << 0)
#define IAX_DPSTATUS_CANEXIST (1 << 1)
#define IAX_DPSTATUS_NONEXISTANT (1 << 2)
#define IAX_DPSTATUS_IGNOREPAT (1 << 14)
#define IAX_DPSTATUS_MATCHMORE (1 << 15)
typedef enum {
IAX2_MINI_VOICE_PACKET,
IAX2_FULL_PACKET,
IAX2_MINI_VIDEO_PACKET,
IAX2_TRUNK_PACKET
} packet_type;
/* Container for tapping relevant data */
typedef struct _iax2_info_t
{
packet_type ptype;
guint16 scallno;
guint16 dcallno;
guint8 ftype;
guint8 csub;
guint32 timestamp;
guint payload_len;
voip_call_state callState;
const gchar *messageName;
const gchar *callingParty;
const gchar *calledParty;
const guint8 *payload_data;
} iax2_info_t;
/* Container for passing data between dissectors */
typedef struct _iax2_dissector_info_t
{
conversation_type ctype;
guint32 circuit_id;
} iax2_dissector_info_t;
#endif /* __PACKET_IAX2_H__ */
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