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wireshark/epan/dissectors/packet-teamspeak2.c

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/* packet-teamspeak2.c
* Routines for TeamSpeak2 protocol packet disassembly
* By brooss <brooss.teambb@gmail.com>
* Copyright 2008 brooss
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/expert.h>
#include <wsutil/crc32.h>
#include <epan/crc32-tvb.h>
#include <epan/reassemble.h>
#include <epan/conversation.h>
#include <epan/proto_data.h>
/* Packet Classes */
#define TS2C_STANDARD 0xbef0
#define TS2C_ACK 0xbef1
#define TS2C_CLIENT_VOICE 0xbef2
#define TS2C_SERVER_VOICE 0xbef3
#define TS2C_CONNECTION 0xbef4
/* Packet Types */
#define TS2T_PING 0x0001
#define TS2T_PINGREPLY 0x0002
#define TS2T_LOGINREQUEST 0x0003
#define TS2T_LOGINREPLY 0x0004
#define TS2T_LOGINPART2 0x0005
#define TS2T_CHANNELLIST 0x0006
#define TS2T_PLAYERLIST 0x0007
#define TS2T_LOGINEND 0x0008
#define TS2T_TEXTMESSAGE 0x0082
#define TS2T_CHANNEL_PLAYERLIST 0x006c
#define TS2T_CHANNELCHANGE 0x0067
#define TS2T_CHANNELLISTUPDATE 0x006e
#define TS2T_PLAYERKICKED 0x0066
#define TS2T_PLAYERLEFT 0x0065
#define TS2T_NEWPLAYERJOINED 0x0064
#define TS2T_KNOWNPLAYERUPDATE 0x0068
#define TS2T_CHANNELDELETED 0x0073
#define TS2T_CHANNELNAMECHANGED 0x006f
#define TS2T_CHANNELTOPICCHANGED 0x0070
#define TS2T_CHANNELPASSWORDCHANGED 0x0071
#define TS2T_CREATECHANNEL 0x00c9
#define TS2T_DISCONNECT 0x012c
#define TS2T_SWITCHCHANNEL 0x012f
#define TS2T_CHANGESTATUS 0x0130
#define TS2T_CHATMESSAGEBOUNCE 0xfc0f
#define TS2T_VOICE_DATA_CELP_5_1 0x0000
#define TS2T_VOICE_DATA_CELP_6_3 0x0100
#define TS2T_VOICE_DATA_GSM_14_8 0x0200
#define TS2T_VOICE_DATA_GSM_16_4 0x0300
#define TS2T_VOICE_DATA_CELP_WINDOWS_5_2 0x0400
#define TS2T_VOICE_DATA_SPEEX_3_4 0x0500
#define TS2T_VOICE_DATA_SPEEX_5_2 0x0600
#define TS2T_VOICE_DATA_SPEEX_7_2 0x0700
#define TS2T_VOICE_DATA_SPEEX_9_3 0x0800
#define TS2T_VOICE_DATA_SPEEX_12_3 0x0900
#define TS2T_VOICE_DATA_SPEEX_16_3 0x0a00
#define TS2T_VOICE_DATA_SPEEX_19_5 0x0b00
#define TS2T_VOICE_DATA_SPEEX_25_9 0x0c00
/* Codec Types */
#define TS2T_CODEC_CELP_5_1 0x0000
#define TS2T_CODEC_CELP_6_3 0x0001
#define TS2T_CODEC_GSM_14_8 0x0002
#define TS2T_CODEC_GSM_16_4 0x0003
#define TS2T_CODEC_CELP_WINDOWS_5_2 0x0004
#define TS2T_CODEC_SPEEX_3_4 0x0005
#define TS2T_CODEC_SPEEX_5_2 0x0006
#define TS2T_CODEC_SPEEX_7_2 0x0007
#define TS2T_CODEC_SPEEX_9_3 0x0008
#define TS2T_CODEC_SPEEX_12_3 0x0009
#define TS2T_CODEC_SPEEX_16_3 0x000a
#define TS2T_CODEC_SPEEX_19_5 0x000b
#define TS2T_CODEC_SPEEX_25_9 0x000c
/* Player Status Flags */
#define TS2_STATUS_CHANNELCOMMANDER 1
#define TS2_STATUS_BLOCKWHISPERS 4
#define TS2_STATUS_AWAY 8
#define TS2_STATUS_MUTEMICROPHONE 16
#define TS2_STATUS_MUTE 32
void proto_reg_handoff_ts2(void);
void proto_register_ts2(void);
static int hf_msg_fragments = -1;
static int hf_msg_fragment = -1;
static int hf_msg_fragment_overlap = -1;
static int hf_msg_fragment_overlap_conflicts = -1;
static int hf_msg_fragment_multiple_tails = -1;
static int hf_msg_fragment_too_long_fragment = -1;
static int hf_msg_fragment_error = -1;
static int hf_msg_fragment_count = -1;
static int hf_msg_reassembled_in = -1;
static int hf_msg_reassembled_length = -1;
static gint ett_msg_fragment = -1;
static gint ett_msg_fragments = -1;
static expert_field ei_ts2_crc32 = EI_INIT;
static const fragment_items msg_frag_items = {
/* Fragment subtrees */
&ett_msg_fragment,
&ett_msg_fragments,
/* Fragment fields */
&hf_msg_fragments,
&hf_msg_fragment,
&hf_msg_fragment_overlap,
&hf_msg_fragment_overlap_conflicts,
&hf_msg_fragment_multiple_tails,
&hf_msg_fragment_too_long_fragment,
&hf_msg_fragment_error,
&hf_msg_fragment_count,
/* Reassembled in field */
&hf_msg_reassembled_in,
/* Reassembled length field */
&hf_msg_reassembled_length,
/* Reassembled data field */
NULL,
/* Tag */
"Message fragments"
};
/* Class names */
static const value_string classnames[] =
{
{ TS2C_CONNECTION, "Connection" },
{ TS2C_ACK, "ACK"},
{ TS2C_STANDARD, "Standard (reliable)"},
{ TS2C_SERVER_VOICE, "Voice"},
{ TS2C_CLIENT_VOICE, "Voice"},
{ 0, NULL }
};
/* Type names */
static const value_string typenames[] = {
{ TS2T_PING, "Ping" },
{ TS2T_PINGREPLY, "Ping Reply" },
{ TS2T_LOGINREQUEST, "Login Request" },
{ TS2T_LOGINREPLY, "Login Reply" },
{ TS2T_LOGINPART2, "Login Part 2" },
{ TS2T_CHANNELLIST, "Channel List" },
{ TS2T_PLAYERLIST, "Player List" },
{ TS2T_LOGINEND, "Login End" },
{ TS2T_TEXTMESSAGE, "Text Message" },
{ TS2T_CHANNEL_PLAYERLIST, "Channel Player List" },
{ TS2T_CHANNELCHANGE, "Channel Change" },
{ TS2T_CHANNELLISTUPDATE, "Channel List Update" },
{ TS2T_PLAYERKICKED, "Player Kicked" },
{ TS2T_PLAYERLEFT, "Player Left" },
{ TS2T_NEWPLAYERJOINED, "New Player Joined" },
{ TS2T_KNOWNPLAYERUPDATE, "Known Player Update" },
{ TS2T_CHANNELDELETED, "Channel Deleted" },
{ TS2T_CHANNELNAMECHANGED, "Channel Name Change" },
{ TS2T_CHANNELTOPICCHANGED, "Channel Topic Change" },
{ TS2T_CHANNELPASSWORDCHANGED, "Channel Password Change" },
{ TS2T_CREATECHANNEL, "Create Channel" },
{ TS2T_DISCONNECT, "Disconnect" },
{ TS2T_SWITCHCHANNEL, "Switch Channel"},
{ TS2T_CHANGESTATUS, "Change Status" },
{ TS2T_CHATMESSAGEBOUNCE, "Chat Message Bounce" },
{ TS2T_VOICE_DATA_CELP_5_1, "TS2T_VOICE_DATA_CELP_5_1" },
{ TS2T_VOICE_DATA_CELP_6_3, "TS2T_VOICE_DATA_CELP_6_3" },
{ TS2T_VOICE_DATA_GSM_14_8, "TS2T_VOICE_DATA_GSM_14_8" },
{ TS2T_VOICE_DATA_GSM_16_4, "TS2T_VOICE_DATA_GSM_16_4" },
{ TS2T_VOICE_DATA_CELP_WINDOWS_5_2, "TS2T_VOICE_DATA_CELP_WINDOWS_5_2" },
{ TS2T_VOICE_DATA_SPEEX_3_4, "TS2T_VOICE_DATA_SPEEX_3_4" },
{ TS2T_VOICE_DATA_SPEEX_5_2, "TS2T_VOICE_DATA_SPEEX_5_2" },
{ TS2T_VOICE_DATA_SPEEX_7_2, "TS2T_VOICE_DATA_SPEEX_7_2" },
{ TS2T_VOICE_DATA_SPEEX_9_3, "TS2T_VOICE_DATA_SPEEX_9_3" },
{ TS2T_VOICE_DATA_SPEEX_12_3, "TS2T_VOICE_DATA_SPEEX_12_3" },
{ TS2T_VOICE_DATA_SPEEX_16_3, "TS2T_VOICE_DATA_SPEEX_16_3" },
{ TS2T_VOICE_DATA_SPEEX_19_5, "TS2T_VOICE_DATA_SPEEX_19_5" },
{ TS2T_VOICE_DATA_SPEEX_25_9, "TS2T_VOICE_DATA_SPEEX_25_9" },
{ 0, NULL }
};
/* Codec Names */
static const value_string codecnames[] =
{
{ TS2T_CODEC_CELP_5_1, "CELP 5.1" },
{ TS2T_CODEC_CELP_6_3, "CELP 6.3" },
{ TS2T_CODEC_GSM_14_8, "GSM 14.8" },
{ TS2T_CODEC_GSM_16_4, "GSM 16.4" },
{ TS2T_CODEC_CELP_WINDOWS_5_2, "CELP Windows 5.2" },
{ TS2T_CODEC_SPEEX_3_4, "Speex 3.4" },
{ TS2T_CODEC_SPEEX_5_2, "Speex 5.2" },
{ TS2T_CODEC_SPEEX_7_2, "Speex 7.2" },
{ TS2T_CODEC_SPEEX_9_3, "Speex 9.3" },
{ TS2T_CODEC_SPEEX_12_3, "Speex 12.3" },
{ TS2T_CODEC_SPEEX_16_3, "Speex 16.3" },
{ TS2T_CODEC_SPEEX_19_5, "Speex 19.5" },
{ TS2T_CODEC_SPEEX_25_9, "Speex 25.9" },
{ 0, NULL }
};
#define TS2_PORT 8767 /* Not IANA registered */
static int proto_ts2 = -1;
static int hf_ts2_type = -1;
static int hf_ts2_class = -1;
static int hf_ts2_clientid = -1;
static int hf_ts2_sessionkey = -1;
static int hf_ts2_crc32 = -1;
static int hf_ts2_crc32_status = -1;
static int hf_ts2_ackto = -1;
static int hf_ts2_seqnum = -1;
static int hf_ts2_protocol_string = -1;
/* static int hf_ts2_string = -1; */
static int hf_ts2_registeredlogin = -1;
static int hf_ts2_name = -1;
static int hf_ts2_password = -1;
static int hf_ts2_nick = -1;
static int hf_ts2_badlogin = -1;
static int hf_ts2_unknown = -1;
static int hf_ts2_channel = -1;
static int hf_ts2_subchannel = -1;
static int hf_ts2_channelpassword = -1;
static int hf_ts2_emptyspace = -1;
static int hf_ts2_fragmentnumber = -1;
static int hf_ts2_platform_string = -1;
static int hf_ts2_server_name = -1;
static int hf_ts2_server_welcome_message = -1;
static int hf_ts2_parent_channel_id = -1;
static int hf_ts2_codec = -1;
static int hf_ts2_channel_flags = -1;
static int hf_ts2_channel_id = -1;
static int hf_ts2_channel_name = -1;
static int hf_ts2_channel_topic = -1;
static int hf_ts2_channel_description = -1;
static int hf_ts2_player_id = -1;
static int hf_ts2_player_status_flags = -1;
static int hf_ts2_number_of_players = -1;
static int hf_ts2_number_of_channels = -1;
static int hf_ts2_resend_count = -1;
static int hf_ts2_status_channelcommander = -1;
static int hf_ts2_status_blockwhispers = -1;
static int hf_ts2_status_away = -1;
static int hf_ts2_status_mutemicrophone = -1;
static int hf_ts2_status_mute = -1;
static int hf_ts2_channel_unregistered = -1;
static int hf_ts2_channel_moderated = -1;
static int hf_ts2_channel_password = -1;
static int hf_ts2_channel_subchannels = -1;
static int hf_ts2_channel_default = -1;
static int hf_ts2_channel_order = -1;
static int hf_ts2_max_users = -1;
static gint ett_ts2 = -1;
static gint ett_ts2_channel_flags = -1;
/* Conversation Variables */
typedef struct
{
guint32 last_inorder_server_frame;
guint32 last_inorder_client_frame;
address server_addr;
guint32 server_port;
guint32 server_frag_size;
guint32 server_frag_num;
guint32 client_frag_size;
guint32 client_frag_num;
} ts2_conversation;
/* Packet Variables */
typedef struct
{
guint32 frag_num;
guint32 frag_size;
gboolean fragmented;
gboolean outoforder;
} ts2_frag;
#define my_init_count 5
static reassembly_table msg_reassembly_table;
/* forward reference */
static void ts2_add_checked_crc32(proto_tree *tree, int hf_item, int hf_item_status, expert_field* ei_item, tvbuff_t *tvb, packet_info *pinfo, guint16 offset);
static void ts2_parse_playerlist(tvbuff_t *tvb, proto_tree *ts2_tree);
static void ts2_parse_channellist(tvbuff_t *tvb, proto_tree *ts2_tree, wmem_allocator_t *pool);
static void ts2_parse_newplayerjoined(tvbuff_t *tvb, proto_tree *ts2_tree);
static void ts2_parse_knownplayerupdate(tvbuff_t *tvb, proto_tree *ts2_tree);
static void ts2_parse_playerleft(tvbuff_t *tvb, proto_tree *ts2_tree);
static void ts2_parse_loginend(tvbuff_t *tvb, proto_tree *ts2_tree);
static void ts2_parse_changestatus(tvbuff_t *tvb, proto_tree *ts2_tree);
static void ts2_parse_switchchannel(tvbuff_t *tvb, proto_tree *ts2_tree);
static void ts2_add_statusflags(tvbuff_t *tvb, proto_tree *ts2_tree, guint32 offset);
static void ts2_parse_channelchange(tvbuff_t *tvb, proto_tree *ts2_tree);
static void ts2_parse_loginpart2(tvbuff_t *tvb, proto_tree *ts2_tree);
/*
* Check if a packet is in order and if it is set its fragmentation details into the passed pointers.
* Returns TRUE if the packet is fragmented.
* Must be run sequentially
* */
static gboolean ts2_standard_find_fragments(tvbuff_t *tvb, guint32 *last_inorder_frame, guint32 *frag_size, guint32 *frag_num, gboolean *outoforder)
{
guint32 frag_count;
gboolean ret;
frag_count=tvb_get_letohs(tvb, 18);
ret=FALSE;
*outoforder=FALSE;
/* if last_inorder_frame is zero, then this is the first reliable packet */
if(*last_inorder_frame==0)
{
*last_inorder_frame=tvb_get_letohl(tvb, 12);
*frag_size=tvb_get_letohs(tvb, 18);
*frag_num=0;
if(*frag_size>0)
ret=TRUE;
else
ret=FALSE;
}
/* This packet is in order */
else if(*last_inorder_frame==tvb_get_letohl(tvb, 12)-1)
{
if(*frag_size>0)
{
*frag_num=*frag_size-frag_count;
if(frag_count==0)
{
*frag_size=0;
}
ret=TRUE;
}
else
{
*frag_size=tvb_get_letohs(tvb, 18);
*frag_num=*frag_size-frag_count;
if(*frag_size>0)
ret=TRUE;
else
ret=FALSE;
}
*last_inorder_frame=tvb_get_letohl(tvb, 12);
}
else /* out of order */
*outoforder=TRUE;
return ret;
}
/*
* Dissect a standard (reliable) ts2 packet, reassembling if required.
*/
static void ts2_standard_dissect(tvbuff_t *tvb, packet_info *pinfo, proto_tree *ts2_tree, ts2_conversation *conversation_data)
{
guint8 save_fragmented;
tvbuff_t *new_tvb, *next_tvb;
fragment_head *frag_msg ;
guint16 fragment_number;
ts2_frag *frag;
gboolean outoforder;
guint16 type = tvb_get_letohs(tvb, 2);
/*guint16 klass = tvb_get_letohs(tvb, 0);*/
proto_tree_add_item(ts2_tree, hf_ts2_seqnum, tvb, 12, 4, ENC_LITTLE_ENDIAN);
/* XXX: Following fragmentation stuff should be separate from the GUI stuff ?? */
/* Get our stored fragmentation data or create one! */
if ( ! ( frag = (ts2_frag *)p_get_proto_data(wmem_file_scope(), pinfo, proto_ts2, 0) ) ) {
frag = wmem_new(wmem_file_scope(), ts2_frag);
frag->frag_num=0;
}
/* decide if the packet is server to client or client to server
* then check its fragmentation
*/
if(!(pinfo->fd->visited))
{
if(conversation_data->server_port == pinfo->srcport)
{
frag->fragmented = ts2_standard_find_fragments(tvb, &conversation_data->last_inorder_server_frame, &conversation_data->server_frag_size, &conversation_data->server_frag_num, &outoforder);
frag->frag_num=conversation_data->server_frag_num;
frag->frag_size=conversation_data->server_frag_size;
}
else
{
frag->fragmented = ts2_standard_find_fragments(tvb, &conversation_data->last_inorder_client_frame, &conversation_data->client_frag_size, &conversation_data->client_frag_num, &outoforder);
frag->frag_num=conversation_data->client_frag_num;
frag->frag_size=conversation_data->client_frag_size;
}
frag->outoforder=outoforder;
p_add_proto_data(wmem_file_scope(), pinfo, proto_ts2, 0, frag);
}
/* Get our stored fragmentation data */
frag = (ts2_frag *)p_get_proto_data(wmem_file_scope(), pinfo, proto_ts2, 0);
proto_tree_add_item(ts2_tree, hf_ts2_resend_count, tvb, 16, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ts2_tree, hf_ts2_fragmentnumber, tvb, 18, 2, ENC_LITTLE_ENDIAN);
ts2_add_checked_crc32(ts2_tree, hf_ts2_crc32, hf_ts2_crc32_status, &ei_ts2_crc32, tvb, pinfo, 20);
/* Reassemble the packet if it's fragmented */
new_tvb = NULL;
if(frag && frag->fragmented)
{
save_fragmented = pinfo->fragmented;
frag_msg = NULL;
pinfo->fragmented = TRUE;
fragment_number = tvb_get_letohs(tvb, 18);
frag_msg = fragment_add_seq_check(&msg_reassembly_table, tvb, 24, pinfo, type, NULL, frag->frag_num, tvb_captured_length_remaining(tvb, 24), fragment_number);
new_tvb = process_reassembled_data(tvb, 24, pinfo,"Reassembled TeamSpeak2", frag_msg, &msg_frag_items, NULL, ts2_tree);
if (frag_msg) /* XXX: should be if (new_tvb) ?? */
{ /* Reassembled */
col_append_str(pinfo->cinfo, COL_INFO, " (Message Reassembled)");
}
else
{ /* Not last packet of reassembled Short Message */
col_append_fstr(pinfo->cinfo, COL_INFO," (Message fragment %u)", frag->frag_num);
}
if (new_tvb)
next_tvb = new_tvb;
else
next_tvb = tvb_new_subset_remaining(tvb, 24);
pinfo->fragmented = save_fragmented;
}
else
next_tvb = tvb_new_subset_remaining(tvb, 24);
/* If we have a full packet now dissect it */
if((new_tvb || (frag && !frag->fragmented)) && !frag->outoforder)
{
switch(type)
{
case TS2T_LOGINPART2:
ts2_parse_loginpart2(next_tvb, ts2_tree);
break;
case TS2T_CHANNELLIST:
ts2_parse_channellist(next_tvb, ts2_tree, pinfo->pool);
break;
case TS2T_PLAYERLIST:
ts2_parse_playerlist(next_tvb, ts2_tree);
break;
case TS2T_NEWPLAYERJOINED:
ts2_parse_newplayerjoined(next_tvb, ts2_tree);
break;
case TS2T_KNOWNPLAYERUPDATE:
ts2_parse_knownplayerupdate(next_tvb, ts2_tree);
break;
case TS2T_PLAYERLEFT:
ts2_parse_playerleft(next_tvb, ts2_tree);
break;
case TS2T_PLAYERKICKED:
ts2_parse_playerleft(next_tvb, ts2_tree);
break;
case TS2T_LOGINEND:
ts2_parse_loginend(next_tvb, ts2_tree);
break;
case TS2T_CHANGESTATUS:
ts2_parse_changestatus(next_tvb, ts2_tree);
break;
case TS2T_SWITCHCHANNEL:
ts2_parse_switchchannel(next_tvb, ts2_tree);
break;
case TS2T_CHANNELCHANGE:
ts2_parse_channelchange(next_tvb, ts2_tree);
break;
}
}
/* The packet is out of order, update the cinfo and ignore the packet */
if(frag && frag->outoforder)
col_append_str(pinfo->cinfo, COL_INFO, " (Out Of Order, ignored)");
}
/* Parses a ts2 new player joined (TS2_NEWPLAYERJOINED) packet and adds it to the tree */
static void ts2_parse_newplayerjoined(tvbuff_t *tvb, proto_tree *ts2_tree)
{
gint32 offset;
offset=0;
proto_tree_add_item(ts2_tree, hf_ts2_player_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset+=4;
proto_tree_add_item(ts2_tree, hf_ts2_channel_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset+=4;
proto_tree_add_item(ts2_tree, hf_ts2_unknown, tvb, offset, 6, ENC_NA);
offset+=6;
proto_tree_add_item(ts2_tree, hf_ts2_nick, tvb, offset, 1, ENC_ASCII|ENC_BIG_ENDIAN);
}
/* Parses TS2_LOGINEND packet and adds it to the tree */
static void ts2_parse_loginend(tvbuff_t *tvb, proto_tree *ts2_tree)
{
gint32 offset;
offset=0;
proto_tree_add_item(ts2_tree, hf_ts2_unknown, tvb, offset, tvb_captured_length_remaining(tvb, offset), ENC_NA);
}
/* Parses a ts2 known player joined (TS2_KNOWNPLAYERUPDATE) packet and adds it to the tree */
static void ts2_parse_knownplayerupdate(tvbuff_t *tvb, proto_tree *ts2_tree)
{
gint32 offset;
offset=0;
proto_tree_add_item(ts2_tree, hf_ts2_player_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset+=4;
proto_tree_add_item(ts2_tree, hf_ts2_player_status_flags, tvb, offset, 2, ENC_LITTLE_ENDIAN);
ts2_add_statusflags(tvb, ts2_tree, offset);
}
/* Parses a ts2 switch channel (TS2_SWITCHCHANNEL) packet and adds it to the tree */
static void ts2_parse_switchchannel(tvbuff_t *tvb, proto_tree *ts2_tree)
{
gint32 offset;
offset=0;
proto_tree_add_item(ts2_tree, hf_ts2_channel_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset+=4;
proto_tree_add_item(ts2_tree, hf_ts2_password, tvb, offset, 1, ENC_ASCII|ENC_BIG_ENDIAN);
}
/* Parses a ts2 channel change (TS2T_CHANNELCHANGE) packet and adds it to the tree */
static void ts2_parse_channelchange(tvbuff_t *tvb, proto_tree *ts2_tree)
{
gint32 offset;
offset=0;
proto_tree_add_item(ts2_tree, hf_ts2_player_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset+=4;
proto_tree_add_item(ts2_tree, hf_ts2_channel_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset+=4;
proto_tree_add_item(ts2_tree, hf_ts2_channel_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset+=4;
proto_tree_add_item(ts2_tree, hf_ts2_unknown, tvb, offset, 2, ENC_NA);
}
/* Parses a ts2 change status (TS2_CHANGESTATUS) packet and adds it to the tree */
static void ts2_parse_changestatus(tvbuff_t *tvb, proto_tree *ts2_tree)
{
gint32 offset;
offset=0;
proto_tree_add_item(ts2_tree, hf_ts2_player_status_flags, tvb, offset, 2, ENC_LITTLE_ENDIAN);
ts2_add_statusflags(tvb, ts2_tree, offset);
}
/* Parses a ts2 known player left (TS2_PLAYERLEFT) packet and adds it to the tree */
static void ts2_parse_playerleft(tvbuff_t *tvb, proto_tree *ts2_tree)
{
gint32 offset;
offset=0;
proto_tree_add_item(ts2_tree, hf_ts2_player_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset+=4;
proto_tree_add_item(ts2_tree, hf_ts2_unknown, tvb, offset, 4, ENC_NA);
offset+=4;
proto_tree_add_item(ts2_tree, hf_ts2_unknown, tvb, offset, 4, ENC_NA);
offset+=4;
proto_tree_add_item(ts2_tree, hf_ts2_unknown, tvb, offset, tvb_captured_length_remaining(tvb, offset), ENC_NA);
}
/* Parses a ts2 login part 2 (TS2T_LOGINPART2) packet and adds it to the tree */
static void ts2_parse_loginpart2(tvbuff_t *tvb, proto_tree *ts2_tree)
{
gint32 offset;
offset=0;
proto_tree_add_item(ts2_tree, hf_ts2_unknown, tvb, 0, 2, ENC_NA);
offset+=2;
proto_tree_add_item(ts2_tree, hf_ts2_channel, tvb, offset, 1, ENC_ASCII|ENC_BIG_ENDIAN);
offset+=30;
proto_tree_add_item(ts2_tree, hf_ts2_subchannel, tvb, offset, 1, ENC_ASCII|ENC_BIG_ENDIAN);
offset+=30;
proto_tree_add_item(ts2_tree, hf_ts2_channelpassword, tvb, offset, 1, ENC_ASCII|ENC_BIG_ENDIAN);
offset+=30;
proto_tree_add_item(ts2_tree, hf_ts2_unknown, tvb, offset, 4, ENC_NA);
}
/* Parses a ts2 channel list (TS2T_CHANNELLIST) and adds it to the tree */
static void ts2_parse_channellist(tvbuff_t *tvb, proto_tree *ts2_tree, wmem_allocator_t *pool)
{
gint32 offset;
guint32 string_len;
proto_tree *subtree;
proto_item *item;
offset=0;
proto_tree_add_item(ts2_tree, hf_ts2_number_of_channels, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset+=4;
while(offset<tvb_reported_length_remaining(tvb, 0))
{
proto_tree_add_item(ts2_tree, hf_ts2_channel_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset+=4;
/* Channel flags */
item = proto_tree_add_item(ts2_tree, hf_ts2_channel_flags, tvb, offset, 1, ENC_LITTLE_ENDIAN);
subtree = proto_item_add_subtree(item, ett_ts2_channel_flags);
proto_tree_add_item(subtree, hf_ts2_channel_unregistered, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(subtree, hf_ts2_channel_moderated, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(subtree, hf_ts2_channel_password, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(subtree, hf_ts2_channel_subchannels, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(subtree, hf_ts2_channel_default, tvb, offset, 1, ENC_BIG_ENDIAN);
offset+=1;
proto_tree_add_item(ts2_tree, hf_ts2_unknown, tvb, offset, 1, ENC_NA);
offset+=1;
proto_tree_add_item(ts2_tree, hf_ts2_codec, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset+=2;
proto_tree_add_item(ts2_tree, hf_ts2_parent_channel_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset+=4;
proto_tree_add_item(ts2_tree, hf_ts2_channel_order, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset+=2;
proto_tree_add_item(ts2_tree, hf_ts2_max_users, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset+=2;
tvb_get_stringz_enc(pool, tvb, offset, &string_len, ENC_ASCII);
proto_tree_add_item(ts2_tree, hf_ts2_channel_name, tvb, offset, string_len, ENC_ASCII);
offset+=string_len;
tvb_get_stringz_enc(pool, tvb, offset, &string_len, ENC_ASCII);
proto_tree_add_item(ts2_tree, hf_ts2_channel_topic, tvb, offset, string_len, ENC_ASCII);
offset+=string_len;
tvb_get_stringz_enc(pool, tvb, offset, &string_len, ENC_ASCII);
proto_tree_add_item(ts2_tree, hf_ts2_channel_description, tvb, offset, string_len, ENC_ASCII);
offset+=string_len;
}
}
static void ts2_add_statusflags(tvbuff_t *tvb, proto_tree *ts2_tree, guint32 offset)
{
proto_tree_add_item(ts2_tree, hf_ts2_status_channelcommander, tvb, offset, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ts2_tree, hf_ts2_status_blockwhispers, tvb, offset, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ts2_tree, hf_ts2_status_away, tvb, offset, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ts2_tree, hf_ts2_status_mutemicrophone, tvb, offset, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ts2_tree, hf_ts2_status_mute, tvb, offset, 2, ENC_LITTLE_ENDIAN);
}
/* Parses a ts2 player list (TS2T_PLAYERLIST) and adds it to the tree */
static void ts2_parse_playerlist(tvbuff_t *tvb, proto_tree *ts2_tree)
{
gint32 offset;
gint32 number_of_players;
gint32 x;
offset=0;
x=0;
proto_tree_add_item(ts2_tree, hf_ts2_number_of_players, tvb, offset, 4, ENC_LITTLE_ENDIAN);
number_of_players = tvb_get_letohl(tvb, 0);
offset+=4;
while(offset<tvb_reported_length_remaining(tvb, 0) && x<number_of_players)
{
proto_tree_add_item(ts2_tree, hf_ts2_player_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset+=4;
proto_tree_add_item(ts2_tree, hf_ts2_channel_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset+=4;
proto_tree_add_item(ts2_tree, hf_ts2_unknown, tvb, offset, 4, ENC_NA);
offset+=4;
proto_tree_add_item(ts2_tree, hf_ts2_player_status_flags, tvb, offset, 2, ENC_LITTLE_ENDIAN);
ts2_add_statusflags(tvb, ts2_tree, offset);
offset+=2;
proto_tree_add_item(ts2_tree, hf_ts2_nick, tvb, offset, 1, ENC_ASCII|ENC_BIG_ENDIAN);
offset+=30;
x++;
}
proto_tree_add_item(ts2_tree, hf_ts2_emptyspace, tvb, offset, tvb_captured_length_remaining(tvb, 0), ENC_NA);
}
/* Find the current conversation or make a new one if required */
static ts2_conversation* ts2_get_conversation(packet_info *pinfo)
{
conversation_t *conversation;
ts2_conversation *conversation_data;
conversation = find_or_create_conversation(pinfo);
conversation_data = (ts2_conversation*)conversation_get_proto_data(conversation, proto_ts2);
if (conversation_data == NULL)
{
conversation_data = wmem_new(wmem_file_scope(), ts2_conversation);
conversation_data->last_inorder_server_frame=0; /* sequence number should never be zero so we can use this as an initial number */
conversation_data->last_inorder_client_frame=0;
conversation_data->server_port=pinfo->srcport;
conversation_data->server_frag_size=0;
conversation_data->server_frag_num=0;
conversation_data->client_frag_size=0;
conversation_data->client_frag_num=0;
conversation_add_proto_data(conversation, proto_ts2, (void *)conversation_data);
}
return conversation_data;
}
/* Dissect a TS2 packet */
static int dissect_ts2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
ts2_conversation *conversation_data;
guint16 type = tvb_get_letohs(tvb, 2);
guint16 klass = tvb_get_letohs(tvb, 0);
conversation_data = ts2_get_conversation(pinfo);
col_set_str(pinfo->cinfo, COL_PROTOCOL, "TS2");
if(klass==TS2C_ACK)
col_add_fstr(pinfo->cinfo, COL_INFO, "Class: %s", val_to_str(klass, classnames, "Unknown (0x%02x)"));
else
col_add_fstr(pinfo->cinfo, COL_INFO, "Type: %s, Class: %s", val_to_str(type, typenames, "Unknown (0x%02x)"), val_to_str(klass, classnames, "Unknown (0x%02x)"));
/* XXX: We need to do all the non GUI stuff whether or not if(tree) */
/* Do only once by checking visited ? */
/* ToDo: Rewrite ?? */
if (!tree) {
switch(klass) {
case TS2C_CONNECTION:
switch(type) {
case TS2T_LOGINREQUEST:
conversation_data->server_port=pinfo->destport;
copy_address_shallow(&conversation_data->server_addr, &pinfo->dst);
break;
}
break;
case TS2C_STANDARD:
ts2_standard_dissect(tvb, pinfo, tree, conversation_data);
break;
}
}
if (tree) { /* we are being asked for details */
proto_item *ti = NULL;
proto_tree *ts2_tree = NULL;
ti = proto_tree_add_item(tree, proto_ts2, tvb, 0, -1, ENC_NA);
ts2_tree = proto_item_add_subtree(ti, ett_ts2);
proto_tree_add_item(ts2_tree, hf_ts2_class, tvb, 0, 2, ENC_LITTLE_ENDIAN);
if(klass==TS2C_ACK)
proto_tree_add_item(ts2_tree, hf_ts2_resend_count, tvb, 2, 2, ENC_LITTLE_ENDIAN);
else
proto_tree_add_item(ts2_tree, hf_ts2_type, tvb, 2, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ts2_tree, hf_ts2_sessionkey, tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ts2_tree, hf_ts2_clientid, tvb, 8, 4, ENC_LITTLE_ENDIAN);
switch(klass)
{
case TS2C_CONNECTION:
proto_tree_add_item(ts2_tree, hf_ts2_seqnum, tvb, 12, 4, ENC_LITTLE_ENDIAN);
ts2_add_checked_crc32(ts2_tree, hf_ts2_crc32, hf_ts2_crc32_status, &ei_ts2_crc32, tvb, pinfo, 16);
switch(type)
{
case TS2T_PING:
break;
case TS2T_PINGREPLY:
proto_tree_add_item(ts2_tree, hf_ts2_ackto, tvb, 20, 4, ENC_LITTLE_ENDIAN);
break;
case TS2T_LOGINREQUEST:
proto_tree_add_item(ts2_tree, hf_ts2_protocol_string, tvb, 20, 1, ENC_ASCII|ENC_BIG_ENDIAN);
proto_tree_add_item(ts2_tree, hf_ts2_platform_string, tvb, 50, 1, ENC_ASCII|ENC_BIG_ENDIAN);
proto_tree_add_item(ts2_tree, hf_ts2_unknown, tvb, 80, 9, ENC_NA);
proto_tree_add_item(ts2_tree, hf_ts2_registeredlogin, tvb, 90, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ts2_tree, hf_ts2_name, tvb, 90, 1, ENC_ASCII|ENC_BIG_ENDIAN);
proto_tree_add_item(ts2_tree, hf_ts2_password, tvb, 120, 1, ENC_ASCII|ENC_BIG_ENDIAN);
proto_tree_add_item(ts2_tree, hf_ts2_nick, tvb, 150, 1, ENC_ASCII|ENC_BIG_ENDIAN);
conversation_data->server_port=pinfo->destport;
copy_address_shallow(&conversation_data->server_addr, &pinfo->dst);
break;
case TS2T_LOGINREPLY:
proto_tree_add_item(ts2_tree, hf_ts2_server_name, tvb, 20, 1, ENC_ASCII|ENC_BIG_ENDIAN);
proto_tree_add_item(ts2_tree, hf_ts2_platform_string, tvb, 50, 1, ENC_ASCII|ENC_BIG_ENDIAN);
proto_tree_add_item(ts2_tree, hf_ts2_unknown, tvb, 80, 9, ENC_NA);
proto_tree_add_item(ts2_tree, hf_ts2_badlogin, tvb, 89, 3, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ts2_tree, hf_ts2_unknown, tvb, 92, 80, ENC_NA);
proto_tree_add_item(ts2_tree, hf_ts2_sessionkey, tvb, 172, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ts2_tree, hf_ts2_unknown, tvb, 178, 3, ENC_NA);
proto_tree_add_item(ts2_tree, hf_ts2_server_welcome_message, tvb, 180, 1, ENC_ASCII|ENC_BIG_ENDIAN);
break;
}
break;
case TS2C_ACK:
/* Ignore the type for ACK, it's always zero and clashes with CELP_5_1 */
proto_tree_add_item(ts2_tree, hf_ts2_seqnum, tvb, 12, 4, ENC_LITTLE_ENDIAN);
break;
case TS2C_STANDARD:
ts2_standard_dissect(tvb, pinfo, ts2_tree, conversation_data);
break;
}
} /* if (tree) */
return tvb_captured_length(tvb);
}
/* Calculates a CRC32 checksum from the tvb zeroing out four bytes at the offset and checks it with the given crc32 and adds the result to the tree
* Returns true if the calculated CRC32 matches the passed CRC32.
* */
static void ts2_add_checked_crc32(proto_tree *tree, int hf_item, int hf_item_status, expert_field* ei_item, tvbuff_t *tvb, packet_info *pinfo, guint16 offset)
{
guint32 zero = 0;
gint len = tvb_reported_length_remaining(tvb, offset+4);
guint32 ocrc32;
if (len<0)
return;
ocrc32 = crc32_ccitt_tvb(tvb, offset);
ocrc32 = crc32_ccitt_seed((guint8*)&zero, 4, 0xffffffff-ocrc32);
ocrc32 = crc32_ccitt_tvb_offset_seed(tvb, offset+4, (guint)len, 0xffffffff-ocrc32);
proto_tree_add_checksum(tree, tvb, offset, hf_item, hf_item_status, ei_item, pinfo, ocrc32, ENC_LITTLE_ENDIAN, PROTO_CHECKSUM_VERIFY);
}
/*
* proto_register_ts2()
* */
void proto_register_ts2(void)
{
static hf_register_info hf[] = {
{ &hf_ts2_class,
{ "Class", "ts2.class",
FT_UINT16, BASE_HEX,
VALS(classnames), 0x0,
NULL, HFILL }
},
{ &hf_ts2_type,
{ "Type", "ts2.type",
FT_UINT16, BASE_HEX,
VALS(typenames), 0x0,
NULL, HFILL }
},
{ &hf_ts2_clientid,
{ "Client id", "ts2.clientid",
FT_UINT32, BASE_DEC,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_sessionkey,
{ "Session Key", "ts2.sessionkey",
FT_UINT32, BASE_HEX,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_ackto,
{ "Ping Reply To", "ts2.ping_ackto",
FT_UINT32, BASE_DEC,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_crc32,
{ "CRC32 Checksum", "ts2.crc32",
FT_UINT32, BASE_HEX,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_crc32_status,
{ "CRC32 Checksum Status", "ts2.crc32.status",
FT_UINT8, BASE_NONE,
VALS(proto_checksum_vals), 0x0,
NULL, HFILL }
},
{ &hf_ts2_seqnum,
{ "Sequence Number", "ts2.sequencenum",
FT_UINT32, BASE_DEC,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_protocol_string,
{ "Protocol String", "ts2.protocolstring",
FT_UINT_STRING, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
#if 0
{ &hf_ts2_string,
{ "String", "ts2.string",
FT_STRING, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
#endif
{ &hf_ts2_registeredlogin,
{ "Registered Login", "ts2.registeredlogin",
FT_BOOLEAN, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_name,
{ "Name", "ts2.name",
FT_UINT_STRING, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_password,
{ "Password", "ts2.password",
FT_UINT_STRING, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_nick,
{ "Nick", "ts2.nick",
FT_UINT_STRING, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_badlogin,
{ "Bad Login", "ts2.badlogin",
FT_BOOLEAN, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_unknown,
{ "Unknown", "ts2.unknown",
FT_BYTES, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_channel,
{ "Channel", "ts2.channel",
FT_UINT_STRING, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_subchannel,
{ "Sub-Channel", "ts2.subchannel",
FT_UINT_STRING, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_channelpassword,
{ "Channel Password", "ts2.channelpassword",
FT_UINT_STRING, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_emptyspace,
{ "Empty Space", "ts2.emptyspace",
FT_NONE, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_fragmentnumber,
{ "Fragment Number", "ts2.fragmentnumber",
FT_UINT16, BASE_DEC,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_platform_string,
{ "Platform String", "ts2.platformstring",
FT_UINT_STRING, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_server_name,
{ "Server Name", "ts2.servername",
FT_UINT_STRING, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_server_welcome_message,
{ "Server Welcome Message", "ts2.serverwelcomemessage",
FT_UINT_STRING, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_parent_channel_id,
{ "Parent Channel ID", "ts2.parentchannelid",
FT_UINT32, BASE_HEX,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_codec,
{ "Codec", "ts2.codec",
FT_UINT16, BASE_HEX,
VALS(codecnames), 0x0,
NULL, HFILL }
},
{ &hf_ts2_channel_flags,
{ "Channel Flags", "ts2.channelflags",
FT_UINT8, BASE_HEX,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_channel_id,
{ "Channel Id", "ts2.channelid",
FT_UINT32, BASE_DEC,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_channel_name,
{ "Channel Name", "ts2.channelname",
FT_STRINGZ, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_channel_topic,
{ "Channel Topic", "ts2.channeltopic",
FT_STRINGZ, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_channel_description,
{ "Channel Description", "ts2.channeldescription",
FT_STRINGZ, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_player_id,
{ "Player Id", "ts2.playerid",
FT_UINT32, BASE_DEC,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_player_status_flags,
{ "Player Status Flags", "ts2.playerstatusflags",
FT_UINT16, BASE_DEC,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_number_of_players,
{ "Number Of Players", "ts2.numberofplayers",
FT_UINT32, BASE_DEC,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_number_of_channels,
{ "Number Of Channels", "ts2.numberofchannels",
FT_UINT32, BASE_DEC,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_resend_count,
{ "Resend Count", "ts2.resendcount",
FT_UINT16, BASE_DEC,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_ts2_status_channelcommander,
{ "Channel Commander", "ts2.playerstatusflags.channelcommander",
FT_BOOLEAN, 8,
NULL, TS2_STATUS_CHANNELCOMMANDER,
NULL, HFILL }
},
{ &hf_ts2_status_blockwhispers,
{ "Block Whispers", "ts2.playerstatusflags.blockwhispers",
FT_BOOLEAN, 8,
NULL, TS2_STATUS_BLOCKWHISPERS,
NULL, HFILL }
},
{ &hf_ts2_status_away,
{ "Away", "ts2.playerstatusflags.away",
FT_BOOLEAN, 8,
NULL, TS2_STATUS_AWAY,
NULL, HFILL }
},
{ &hf_ts2_status_mutemicrophone,
{ "Mute Microphone", "ts2.playerstatusflags.mutemicrophone",
FT_BOOLEAN, 8,
NULL, TS2_STATUS_MUTEMICROPHONE,
NULL, HFILL }
},
{ &hf_ts2_status_mute,
{ "Mute", "ts2.playerstatusflags.mute",
FT_BOOLEAN, 8,
NULL, TS2_STATUS_MUTE,
NULL, HFILL }
},
{ &hf_msg_fragments,
{"Message fragments", "ts2.fragments",
FT_NONE, BASE_NONE,
NULL, 0x00,
NULL, HFILL }
},
{ &hf_msg_fragment,
{"Message fragment", "ts2.fragment",
FT_FRAMENUM, BASE_NONE,
NULL, 0x00,
NULL, HFILL }
},
{ &hf_msg_fragment_overlap,
{"Message fragment overlap", "ts2.fragment.overlap",
FT_BOOLEAN, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_msg_fragment_overlap_conflicts,
{"Message fragment overlapping with conflicting data",
"ts2.fragment.overlap.conflicts",
FT_BOOLEAN, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_msg_fragment_multiple_tails,
{"Message has multiple tail fragments",
"ts2.fragment.multiple_tails",
FT_BOOLEAN, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_msg_fragment_too_long_fragment,
{"Message fragment too long", "ts2.fragment.too_long_fragment",
FT_BOOLEAN, BASE_NONE,
NULL, 0x0,
NULL, HFILL }
},
{ &hf_msg_fragment_error,
{"Message defragmentation error", "ts2.fragment.error",
FT_FRAMENUM, BASE_NONE,
NULL, 0x00,
NULL, HFILL }
},
{ &hf_msg_fragment_count,
{"Message fragment count", "ts2.fragment.count",
FT_UINT32, BASE_DEC,
NULL, 0x00,
NULL, HFILL }
},
{ &hf_msg_reassembled_in,
{"Reassembled in", "ts2.reassembled.in",
FT_FRAMENUM, BASE_NONE,
NULL, 0x00,
NULL, HFILL }
},
{ &hf_msg_reassembled_length,
{"Reassembled TeamSpeak2 length", "ts2.reassembled.length",
FT_UINT32, BASE_DEC,
NULL, 0x00,
NULL, HFILL }
},
{ &hf_ts2_channel_unregistered,
{ "Unregistered", "ts2.channelflags.unregistered",
FT_BOOLEAN, 8,
NULL, 0x01,
NULL, HFILL }
},
{ &hf_ts2_channel_moderated,
{ "Moderated", "ts2.channelflags.moderated",
FT_BOOLEAN, 8,
NULL, 0x02,
NULL, HFILL }
},
{ &hf_ts2_channel_password,
{ "Has password", "ts2.channelflags.has_password",
FT_BOOLEAN, 8,
NULL, 0x04,
NULL, HFILL }
},
{ &hf_ts2_channel_subchannels,
{ "Has subchannels", "ts2.channelflags.has_subchannels",
FT_BOOLEAN, 8,
NULL, 0x08,
NULL, HFILL }
},
{ &hf_ts2_channel_default,
{ "Default", "ts2.channelflags.default",
FT_BOOLEAN, 8,
NULL, 0x10,
NULL, HFILL }
},
{ &hf_ts2_channel_order,
{ "Channel order", "ts2.channelorder",
FT_UINT16, BASE_DEC,
NULL, 0x00,
NULL, HFILL }
},
{ &hf_ts2_max_users,
{ "Max users", "ts2.maxusers",
FT_UINT16, BASE_DEC,
NULL, 0x00,
NULL, HFILL }
}
};
static gint *ett[] = {
&ett_ts2,
&ett_msg_fragment,
&ett_msg_fragments,
&ett_ts2_channel_flags
};
static ei_register_info ei[] = {
{ &ei_ts2_crc32, { "ts2.bad_checksum", PI_CHECKSUM, PI_ERROR, "Bad checksum", EXPFILL }},
};
expert_module_t* expert_ts2;
/* Setup protocol subtree array */
proto_ts2 = proto_register_protocol ("Teamspeak2 Protocol", "TeamSpeak2", "ts2");
proto_register_field_array(proto_ts2, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
expert_ts2 = expert_register_protocol(proto_ts2);
expert_register_field_array(expert_ts2, ei, array_length(ei));
reassembly_table_register(&msg_reassembly_table,
&addresses_reassembly_table_functions);
}
/*
* proto_reg_handoff_ts2()
* */
void proto_reg_handoff_ts2(void)
{
dissector_handle_t ts2_handle;
ts2_handle = create_dissector_handle(dissect_ts2, proto_ts2);
dissector_add_uint_with_preference("udp.port", TS2_PORT, ts2_handle);
}
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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