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wireshark/epan/dissectors/packet-gadu-gadu.c

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/* packet-gadu-gadu.c
* Routines for Gadu-Gadu dissection
* Copyright 2011,2012, Jakub Zawadzki <darkjames-ws@darkjames.pl>
*
* Protocol documentation available at http://toxygen.net/libgadu/protocol/
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define NEW_PROTO_TREE_API
#include "config.h"
#include <epan/packet.h>
#include <epan/prefs.h>
#include "packet-tcp.h"
void proto_register_gadu_gadu(void);
void proto_reg_handoff_gadu_gadu(void);
#define TCP_PORT_GADU_GADU 8074 /* assigned by IANA */
/* desegmentation of Gadu-Gadu over TCP */
static gboolean gadu_gadu_desegment = TRUE;
static dissector_handle_t gadu_gadu_handle;
static int ett_gadu_gadu = -1;
static int ett_gadu_gadu_contact = -1;
#define GG_ERA_OMNIX_MASK 0x04000000
#define GG_HAS_AUDIO_MASK 0x40000000
#define GG_WELCOME 0x01
#define GG_STATUS 0x02
#define GG_LOGIN_OK 0x03
#define GG_SEND_MSG_ACK 0x05
#define GG_PONG 0x07
#define GG_PING 0x08
#define GG_LOGIN_FAILED 0x09
#define GG_RECV_MSG 0x0a
#define GG_DISCONNECTING 0x0b
#define GG_NOTIFY_REPLY 0x0c
#define GG_DISCONNECT_ACK 0x0d
#define GG_PUBDIR50_REPLY 0x0e
#define GG_STATUS60 0x0f
#define GG_USERLIST_REPLY 0x10
#define GG_NOTIFY_REPLY60 0x11
#define GG_NEED_EMAIL 0x14
#define GG_LOGIN_HASH_TYPE_INVALID 0x16
#define GG_STATUS77 0x17
#define GG_NOTIFY_REPLY77 0x18
#define GG_DCC7_INFO 0x1f
#define GG_DCC7_NEW 0x20
#define GG_DCC7_ACCEPT 0x21
#define GG_DCC7_REJECT 0x22
#define GG_DCC7_ID_REPLY 0x23
#define GG_DCC7_ID_ABORTED 0x25
#define GG_XML_EVENT 0x27
#define GG_STATUS80BETA 0x2a
#define GG_NOTIFY_REPLY80BETA 0x2b
#define GG_XML_ACTION 0x2c
#define GG_RECV_MSG80 0x2e
#define GG_USERLIST_REPLY80 0x30
#define GG_LOGIN_OK80 0x35
#define GG_STATUS80 0x36
#define GG_NOTIFY_REPLY80 0x37
#define GG_USERLIST100_REPLY 0x41
#define GG_LOGIN80_FAILED 0x43
#define GG_USER_DATA 0x44
#define GG_TYPING_NOTIFY 0x59
#define GG_OWN_MESSAGE 0x5A
#define GG_OWN_RESOURCE_INFO 0x5B
#define GG_USERLIST100_VERSION 0x5C
#define GG_TYPE_VS(x) { x, #x }
/* original (GG_*) names likes in documentation (http://toxygen.net/libgadu/protocol/#ch1.16) */
static const value_string gadu_gadu_packets_type_recv[] = {
GG_TYPE_VS(GG_WELCOME),
GG_TYPE_VS(GG_STATUS),
GG_TYPE_VS(GG_LOGIN_OK),
GG_TYPE_VS(GG_SEND_MSG_ACK),
GG_TYPE_VS(GG_PONG),
GG_TYPE_VS(GG_PING),
GG_TYPE_VS(GG_LOGIN_FAILED),
GG_TYPE_VS(GG_RECV_MSG),
GG_TYPE_VS(GG_DISCONNECTING),
GG_TYPE_VS(GG_NOTIFY_REPLY),
GG_TYPE_VS(GG_DISCONNECT_ACK),
GG_TYPE_VS(GG_PUBDIR50_REPLY),
GG_TYPE_VS(GG_STATUS60),
GG_TYPE_VS(GG_USERLIST_REPLY),
GG_TYPE_VS(GG_NOTIFY_REPLY60),
GG_TYPE_VS(GG_NEED_EMAIL),
GG_TYPE_VS(GG_LOGIN_HASH_TYPE_INVALID),
GG_TYPE_VS(GG_STATUS77),
GG_TYPE_VS(GG_NOTIFY_REPLY77),
GG_TYPE_VS(GG_DCC7_INFO),
GG_TYPE_VS(GG_DCC7_NEW),
GG_TYPE_VS(GG_DCC7_ACCEPT),
GG_TYPE_VS(GG_DCC7_REJECT),
GG_TYPE_VS(GG_DCC7_ID_REPLY),
GG_TYPE_VS(GG_DCC7_ID_ABORTED),
GG_TYPE_VS(GG_XML_EVENT),
GG_TYPE_VS(GG_STATUS80BETA),
GG_TYPE_VS(GG_NOTIFY_REPLY80BETA),
GG_TYPE_VS(GG_XML_ACTION),
GG_TYPE_VS(GG_RECV_MSG80),
GG_TYPE_VS(GG_USERLIST_REPLY80),
GG_TYPE_VS(GG_LOGIN_OK80),
GG_TYPE_VS(GG_STATUS80),
GG_TYPE_VS(GG_NOTIFY_REPLY80),
GG_TYPE_VS(GG_USERLIST100_REPLY),
GG_TYPE_VS(GG_LOGIN80_FAILED),
GG_TYPE_VS(GG_USER_DATA),
GG_TYPE_VS(GG_TYPING_NOTIFY),
GG_TYPE_VS(GG_OWN_MESSAGE),
GG_TYPE_VS(GG_OWN_RESOURCE_INFO),
GG_TYPE_VS(GG_USERLIST100_VERSION),
{ 0, NULL }
};
#define GG_NEW_STATUS 0x02
#define GG_PONG 0x07
#define GG_PING 0x08
#define GG_SEND_MSG 0x0b
#define GG_LOGIN 0x0c
#define GG_ADD_NOTIFY 0x0d
#define GG_REMOVE_NOTIFY 0x0e
#define GG_NOTIFY_FIRST 0x0f
#define GG_NOTIFY_LAST 0x10
#define GG_LIST_EMPTY 0x12
#define GG_LOGIN_EXT 0x13
#define GG_PUBDIR50_REQUEST 0x14
#define GG_LOGIN60 0x15
#define GG_USERLIST_REQUEST 0x16
#define GG_LOGIN70 0x19
#define GG_DCC7_INFO 0x1f
#define GG_DCC7_NEW 0x20
#define GG_DCC7_ACCEPT 0x21
#define GG_DCC7_REJECT 0x22
#define GG_DCC7_ID_REQUEST 0x23
#define GG_DCC7_ID_DUNNO1 0x24
#define GG_DCC7_ID_ABORT 0x25
#define GG_NEW_STATUS80BETA 0x28
#define GG_LOGIN80BETA 0x29
#define GG_SEND_MSG80 0x2d
#define GG_USERLIST_REQUEST80 0x2f
#define GG_LOGIN80 0x31
#define GG_NEW_STATUS80 0x38
#define GG_USERLIST100_REQUEST 0x40
#define GG_RECV_MSG_ACK 0x46
#define GG_TYPING_NOTIFY 0x59
#define GG_OWN_DISCONNECT 0x62
#define GG_NEW_STATUS105 0x63
#define GG_NOTIFY105 0x78
#define GG_ADD_NOTIFY105 0x7b
#define GG_REMOVE_NOTIFY105 0x7c
#define GG_LOGIN105 0x83
static const value_string gadu_gadu_packets_type_send[] = {
GG_TYPE_VS(GG_NEW_STATUS),
GG_TYPE_VS(GG_PONG),
GG_TYPE_VS(GG_PING),
GG_TYPE_VS(GG_SEND_MSG),
GG_TYPE_VS(GG_LOGIN),
GG_TYPE_VS(GG_ADD_NOTIFY),
GG_TYPE_VS(GG_REMOVE_NOTIFY),
GG_TYPE_VS(GG_NOTIFY_FIRST),
GG_TYPE_VS(GG_NOTIFY_LAST),
GG_TYPE_VS(GG_LIST_EMPTY),
GG_TYPE_VS(GG_LOGIN_EXT),
GG_TYPE_VS(GG_PUBDIR50_REQUEST),
GG_TYPE_VS(GG_LOGIN60),
GG_TYPE_VS(GG_USERLIST_REQUEST),
GG_TYPE_VS(GG_LOGIN70),
GG_TYPE_VS(GG_DCC7_INFO),
GG_TYPE_VS(GG_DCC7_NEW),
GG_TYPE_VS(GG_DCC7_ACCEPT),
GG_TYPE_VS(GG_DCC7_REJECT),
GG_TYPE_VS(GG_DCC7_ID_REQUEST),
GG_TYPE_VS(GG_DCC7_ID_DUNNO1),
GG_TYPE_VS(GG_DCC7_ID_ABORT),
GG_TYPE_VS(GG_NEW_STATUS80BETA),
GG_TYPE_VS(GG_LOGIN80BETA),
GG_TYPE_VS(GG_SEND_MSG80),
GG_TYPE_VS(GG_USERLIST_REQUEST80),
GG_TYPE_VS(GG_LOGIN80),
GG_TYPE_VS(GG_NEW_STATUS80),
GG_TYPE_VS(GG_USERLIST100_REQUEST),
GG_TYPE_VS(GG_RECV_MSG_ACK),
GG_TYPE_VS(GG_TYPING_NOTIFY),
GG_TYPE_VS(GG_OWN_DISCONNECT),
GG_TYPE_VS(GG_NEW_STATUS105),
GG_TYPE_VS(GG_NOTIFY105),
GG_TYPE_VS(GG_ADD_NOTIFY105),
GG_TYPE_VS(GG_REMOVE_NOTIFY105),
GG_TYPE_VS(GG_LOGIN105),
{ 0, NULL }
};
static const value_string gadu_gadu_msg_ack_status_vals[] = {
{ 0x01, "Message blocked" },
{ 0x02, "Message delivered" },
{ 0x03, "Message queued" },
{ 0x04, "Message not delivered (queue full)" },
{ 0x06, "CTCP Message not delivered" },
{ 0, NULL }
};
#define GG_STATUS_NOT_AVAIL 0x01
#define GG_STATUS_NOT_AVAIL_DESCR 0x15
#define GG_STATUS_FFC 0x17
#define GG_STATUS_FFC_DESCR 0x18
#define GG_STATUS_AVAIL 0x02
#define GG_STATUS_AVAIL_DESCR 0x04
#define GG_STATUS_BUSY 0x03
#define GG_STATUS_BUSY_DESCR 0x05
#define GG_STATUS_DND 0x21
#define GG_STATUS_DND_DESCR 0x22
#define GG_STATUS_INVISIBLE 0x14
#define GG_STATUS_INVISIBLE_DESCR 0x16
#define GG_STATUS_BLOCKED 0x06
#define GG_LOGIN_HASH_GG32 0x01
#define GG_LOGIN_HASH_SHA1 0x02
static const value_string gadu_gadu_hash_type_vals[] = {
{ GG_LOGIN_HASH_GG32, "GG32 hash" },
{ GG_LOGIN_HASH_SHA1, "SHA1 hash" },
{ 0, NULL }
};
#define GG_USERLIST_PUT 0x00
#define GG_USERLIST_PUT_MORE 0x01
#define GG_USERLIST_GET 0x02
static const value_string gadu_gadu_userlist_request_type_vals[] = {
{ GG_USERLIST_PUT, "Userlist put" },
{ GG_USERLIST_PUT_MORE, "Userlist put (more)" },
{ GG_USERLIST_GET, "Userlist get" },
{ 0, NULL }
};
#define GG_USERLIST_PUT_REPLY 0x00
#define GG_USERLIST_PUT_MORE_REPLY 0x02
#define GG_USERLIST_GET_REPLY 0x06
#define GG_USERLIST_GET_MORE_REPLY 0x04
static const value_string gadu_gadu_userlist_reply_type_vals[] = {
{ GG_USERLIST_PUT_REPLY, "Userlist put" },
{ GG_USERLIST_PUT_MORE_REPLY, "Userlist put (more)" },
{ GG_USERLIST_GET_REPLY, "Userlist get" },
{ GG_USERLIST_GET_MORE_REPLY, "Userlist get (more)" },
{ 0, NULL }
};
#define GG_USERLIST100_FORMAT_TYPE_NONE 0x00
#define GG_USERLIST100_FORMAT_TYPE_GG70 0x01
#define GG_USERLIST100_FORMAT_TYPE_GG100 0x02
static const value_string gadu_gadu_userlist_request_format_vals[] = {
{ GG_USERLIST100_FORMAT_TYPE_NONE, "None" },
{ GG_USERLIST100_FORMAT_TYPE_GG70, "Classic (7.0)" },
{ GG_USERLIST100_FORMAT_TYPE_GG100, "XML (10.0)" },
{ 0, NULL }
};
/* XXX, add compatible libgadu versions? */
static const value_string gadu_gadu_version_vals[] = {
{ 0x2e, "Gadu-Gadu 8.0 (build 8283)" },
{ 0x2d, "Gadu-Gadu 8.0 (build 4881)" },
{ 0x2a, "Gadu-Gadu 7.7 (build 3315)" },
{ 0x29, "Gadu-Gadu 7.6 (build 1688)" },
{ 0x28, "Gadu-Gadu 7.5.0 (build 2201)" },
{ 0x27, "Gadu-Gadu 7.0 (build 22)" },
{ 0x26, "Gadu-Gadu 7.0 (build 20)" },
{ 0x25, "Gadu-Gadu 7.0 (build 1)" },
{ 0x24, "Gadu-Gadu 6.1 (build 155) or 7.6 (build 1359)" },
{ 0x22, "Gadu-Gadu 6.0 (build 140)" },
{ 0x21, "Gadu-Gadu 6.0 (build 133)" },
{ 0x20, "Gadu-Gadu 6.0" },
{ 0x1e, "Gadu-Gadu 5.7 beta (build 121)" },
{ 0x1c, "Gadu_Gadu 5.7 beta" },
{ 0x1b, "Gadu-Gadu 5.0.5" },
{ 0x19, "Gadu-Gadu 5.0.3" },
{ 0x18, "Gadu-Gadu 5.0.1, 5.0.0, 4.9.3" },
{ 0x17, "Gadu-Gadu 4.9.2" },
{ 0x16, "Gadu-Gadu 4.9.1" },
{ 0x15, "Gadu-Gadu 4.8.9" },
{ 0x14, "Gadu-Gadu 4.8.3, 4.8.1" },
{ 0x11, "Gadu-Gadu 4.6.10, 4.6.1" },
{ 0x10, "Gadu-Gadu 4.5.22, 4.5.21, 4.5.19, 4.5.17, 4.5.15" },
{ 0x0f, "Gadu-Gadu 4.5.12" },
{ 0x0b, "Gadu-Gadu 4.0.30, 4.0.29, 4.0.28, 4.0.25" },
{ 0, NULL }
};
static const value_string gadu_gadu_dcc_type_vals[] = {
{ 1, "Voice transmission" },
{ 4, "File transmission" },
{ 0, NULL }
};
static const value_string gadu_gadu_typing_notify_type_vals[] = {
{ 1, "Typing started" },
{ 0, "Typing stopped" },
{ 0, NULL }
};
static const value_string gadu_gadu_pubdir_type_vals[] = {
{ 1, "Public directory write" },
{ 2, "Public directory read" },
{ 3, "Public directory search" },
{ 0, NULL }
};
static header_field_info *hfi_gadu_gadu = NULL;
#define GADU_GADU_HFI_INIT HFI_INIT(proto_gadu_gadu)
/* Header */
static header_field_info hfi_gadu_gadu_header_type_recv GADU_GADU_HFI_INIT =
{ "Packet Type", "gadu-gadu.recv", FT_UINT32, BASE_HEX, VALS(gadu_gadu_packets_type_recv), 0x0, "Packet Type (recv)", HFILL };
static header_field_info hfi_gadu_gadu_header_type_send GADU_GADU_HFI_INIT =
{ "Packet Type", "gadu-gadu.send", FT_UINT32, BASE_HEX, VALS(gadu_gadu_packets_type_send), 0x0, "Packet Type (send)", HFILL };
static header_field_info hfi_gadu_gadu_header_length GADU_GADU_HFI_INIT =
{ "Packet Length", "gadu-gadu.len", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL };
/* Login common (gadu-gadu.login.*) */
static header_field_info hfi_gadu_gadu_login_uin GADU_GADU_HFI_INIT =
{ "Client UIN", "gadu-gadu.login.uin", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_login_hash_type GADU_GADU_HFI_INIT =
{ "Login hash type", "gadu-gadu.login.hash_type", FT_UINT8, BASE_HEX, gadu_gadu_hash_type_vals, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_login_hash GADU_GADU_HFI_INIT =
{ "Login hash", "gadu-gadu.login.hash", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_login_status GADU_GADU_HFI_INIT =
{ "Client status", "gadu-gadu.login.status", FT_UINT32, BASE_HEX, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_login_protocol GADU_GADU_HFI_INIT =
{ "Client protocol", "gadu-gadu.login.protocol", FT_UINT32, BASE_HEX, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_login_version GADU_GADU_HFI_INIT =
{ "Client version", "gadu-gadu.login.version", FT_STRING, BASE_NONE, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_login_local_ip GADU_GADU_HFI_INIT =
{ "Client local IP", "gadu-gadu.login.local_ip", FT_IPv4, BASE_NONE, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_login_local_port GADU_GADU_HFI_INIT =
{ "Client local port", "gadu-gadu.login.local_port", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL };
/* GG_LOGIN80 (gadu-gadu.login80.*) */
static header_field_info hfi_gadu_gadu_login80_lang GADU_GADU_HFI_INIT =
{ "Client language", "gadu-gadu.login80.lang", FT_STRING, BASE_NONE, NULL, 0x00, NULL, HFILL };
/* Contacts details (gadu-gadu.user_data.*) */
static header_field_info hfi_gadu_gadu_userdata_uin GADU_GADU_HFI_INIT =
{ "UIN", "gadu-gadu.user_data.uin", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_userdata_attr_name GADU_GADU_HFI_INIT =
{ "Attribute name", "gadu-gadu.user_data.attr_name", FT_STRING, BASE_NONE, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_userdata_attr_type GADU_GADU_HFI_INIT =
{ "Attribute type", "gadu-gadu.user_data.attr_type", FT_UINT32, BASE_HEX, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_userdata_attr_value GADU_GADU_HFI_INIT =
{ "Attribute value", "gadu-gadu.user_data.attr_val", FT_STRING, BASE_NONE, NULL, 0x00, NULL, HFILL };
/* Typing notify (gadu-gadu.typing_notify.*) */
static header_field_info hfi_gadu_gadu_typing_notify_type GADU_GADU_HFI_INIT =
{ "Typing notify type", "gadu-gadu.typing_notify.type", FT_UINT16, BASE_HEX, gadu_gadu_typing_notify_type_vals, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_typing_notify_uin GADU_GADU_HFI_INIT =
{ "Typing notify recipient", "gadu-gadu.typing_notify.uin", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL };
/* Message common (gadu-gadu.msg.*) */
static header_field_info hfi_gadu_gadu_msg_uin GADU_GADU_HFI_INIT =
{ "Message sender or recipient", "gadu-gadu.msg.uin", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_msg_sender GADU_GADU_HFI_INIT =
{ "Message sender", "gadu-gadu.msg.sender", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_msg_recipient GADU_GADU_HFI_INIT =
{ "Message recipient", "gadu-gadu.msg.recipient", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_msg_seq GADU_GADU_HFI_INIT =
{ "Message sequence number", "gadu-gadu.msg.seq", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_msg_time GADU_GADU_HFI_INIT =
{ "Message time", "gadu-gadu.msg.time", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0, NULL, HFILL };
static header_field_info hfi_gadu_gadu_msg_class GADU_GADU_HFI_INIT =
{ "Message class", "gadu-gadu.msg.class", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL };
static header_field_info hfi_gadu_gadu_msg_text GADU_GADU_HFI_INIT =
{ "Message text", "gadu-gadu.msg.text", FT_STRINGZ, STR_UNICODE, NULL, 0x0, NULL, HFILL };
/* GG_RECV_MSG80, GG_SEND_MSG80 (gadu-gadu.msg80.*) */
static header_field_info hfi_gadu_gadu_msg80_offset_plain GADU_GADU_HFI_INIT =
{ "Message plaintext offset", "gadu-gadu.msg80.offset_plain", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_msg80_offset_attr GADU_GADU_HFI_INIT =
{ "Message attribute offset", "gadu-gadu.msg80.offset_attributes", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL };
/* GG_SEND_MSG_ACK (gadu-gadu.msg_ack.*) */
static header_field_info hfi_gadu_gadu_msg_ack_status GADU_GADU_HFI_INIT =
{ "Message status", "gadu-gadu.msg_ack.status", FT_UINT32, BASE_HEX, gadu_gadu_msg_ack_status_vals, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_msg_ack_recipient GADU_GADU_HFI_INIT =
{ "Message recipient", "gadu-gadu.msg_ack.recipient", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_msg_ack_seq GADU_GADU_HFI_INIT =
{ "Message sequence number", "gadu-gadu.msg_ack.seq", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL };
/* Status common (gadu-gadu.status.*) */
static header_field_info hfi_gadu_gadu_status_uin GADU_GADU_HFI_INIT =
{ "UIN", "gadu-gadu.status.uin", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_status_status GADU_GADU_HFI_INIT =
{ "Status", "gadu-gadu.status.status", FT_UINT32, BASE_HEX, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_status_ip GADU_GADU_HFI_INIT =
{ "IP", "gadu-gadu.status.remote_ip", FT_IPv4, BASE_NONE, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_status_port GADU_GADU_HFI_INIT =
{ "Port", "gadu-gadu.status.remote_port", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_status_version GADU_GADU_HFI_INIT =
{ "Version", "gadu-gadu.status.version", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_status_img_size GADU_GADU_HFI_INIT =
{ "Image size", "gadu-gadu.status.image_size", FT_UINT8, BASE_DEC, NULL, 0x00, "Maximum image size in KB", HFILL };
static header_field_info hfi_gadu_gadu_status_descr GADU_GADU_HFI_INIT =
{ "Description", "gadu-gadu.status.description", FT_STRINGZ, STR_UNICODE, NULL, 0x00, NULL, HFILL };
/* Direct Connection (gadu-gadu.dcc.*) */
static header_field_info hfi_dcc_type GADU_GADU_HFI_INIT =
{ "Direct connection type", "gadu-gadu.dcc.type", FT_UINT32, BASE_HEX, gadu_gadu_dcc_type_vals, 0x00, NULL, HFILL };
static header_field_info hfi_dcc_id GADU_GADU_HFI_INIT =
{ "Direct connection id", "gadu-gadu.dcc.id", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_dcc_uin_to GADU_GADU_HFI_INIT =
{ "Direct connection UIN target", "gadu-gadu.dcc.uin_to", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_dcc_uin_from GADU_GADU_HFI_INIT =
{ "Direct connection UIN initiator", "gadu-gadu.dcc.uin_from", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_dcc_filename GADU_GADU_HFI_INIT =
{ "Direct connection filename", "gadu-gadu.dcc.filename", FT_STRING, BASE_NONE, NULL, 0x00, NULL, HFILL };
/* New status (setting status) common (gadu-gadu.new_status.*) */
static header_field_info hfi_gadu_gadu_new_status_status GADU_GADU_HFI_INIT =
{ "Status", "gadu-gadu.new_status.status", FT_UINT32, BASE_HEX, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_new_status_desc GADU_GADU_HFI_INIT =
{ "Description", "gadu-gadu.new_status.description", FT_STRINGZ, STR_UNICODE, NULL, 0x00, NULL, HFILL };
/* Userlist (gadu-gadu.userlist.*) */
static header_field_info hfi_gadu_gadu_userlist_request_type GADU_GADU_HFI_INIT =
{ "Request type", "gadu-gadu.userlist.request_type", FT_UINT32, BASE_HEX, gadu_gadu_userlist_request_type_vals, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_userlist_version GADU_GADU_HFI_INIT =
{ "Userlist version", "gadu-gadu.userlist.version", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_userlist_format GADU_GADU_HFI_INIT =
{ "Userlist format", "gadu-gadu.userlist.format", FT_UINT8, BASE_HEX, gadu_gadu_userlist_request_format_vals, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_userlist_reply_type GADU_GADU_HFI_INIT =
{ "Reply type", "gadu-gadu.userlist.reply_type", FT_UINT32, BASE_HEX, gadu_gadu_userlist_reply_type_vals, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_userlist GADU_GADU_HFI_INIT =
{ "Userlist XML data", "gadu-gadu.userlist", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL };
/* Public Directory (gadu-gadu.pubdir.*) */
static header_field_info hfi_gadu_gadu_pubdir_request_type GADU_GADU_HFI_INIT =
{ "Request type", "gadu-gadu.pubdir.request_type", FT_UINT8, BASE_HEX, gadu_gadu_pubdir_type_vals, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_pubdir_request_seq GADU_GADU_HFI_INIT =
{ "Request sequence", "gadu-gadu.pubdir.request_seq", FT_UINT32, BASE_HEX, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_pubdir_request_str GADU_GADU_HFI_INIT =
{ "Request string", "gadu-gadu.pubdir.request_str", FT_STRINGZ, BASE_NONE, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_pubdir_reply_type GADU_GADU_HFI_INIT =
{ "Reply type", "gadu-gadu.pubdir.reply_type", FT_UINT8, BASE_HEX, gadu_gadu_pubdir_type_vals, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_pubdir_reply_seq GADU_GADU_HFI_INIT =
{ "Reply sequence", "gadu-gadu.pubdir.reply_seq", FT_UINT32, BASE_HEX, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_pubdir_reply_str GADU_GADU_HFI_INIT =
{ "Reply string", "gadu-gadu.pubdir.request_str", FT_STRINGZ, BASE_NONE, NULL, 0x00, NULL, HFILL };
/* Contact (notify) common (gadu-gadu.contact.*) */
static header_field_info hfi_gadu_gadu_contact_uin GADU_GADU_HFI_INIT =
{ "UIN", "gadu-gadu.contact.uin", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_contact_uin_str GADU_GADU_HFI_INIT =
{ "UIN", "gadu-gadu.contact.uin_str", FT_STRING, BASE_NONE, NULL, 0x00, NULL, HFILL };
static header_field_info hfi_gadu_gadu_contact_type GADU_GADU_HFI_INIT =
{ "Type", "gadu-gadu.contact.type", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL };
/* GG_WELCOME */
static header_field_info hfi_gadu_gadu_welcome_seed GADU_GADU_HFI_INIT =
{ "Seed", "gadu-gadu.welcome.seed", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL };
/* Not dissected data */
static header_field_info hfi_gadu_gadu_data GADU_GADU_HFI_INIT =
{ "Packet Data", "gadu-gadu.data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL };
static dissector_handle_t xml_handle;
struct gadu_gadu_conv_data {
guint32 uin; /* uin from login packet */
};
static struct gadu_gadu_conv_data *
gadu_gadu_create_conversation(packet_info *pinfo, guint32 uin)
{
conversation_t *conv;
struct gadu_gadu_conv_data *gg_conv;
conv = find_or_create_conversation(pinfo);
gg_conv = (struct gadu_gadu_conv_data *)conversation_get_proto_data(conv, hfi_gadu_gadu->id);
if (!gg_conv) {
gg_conv = wmem_new(wmem_file_scope(), struct gadu_gadu_conv_data);
gg_conv->uin = uin;
conversation_add_proto_data(conv, hfi_gadu_gadu->id, gg_conv);
}
/* assert(gg_conv->uin == uin); */
return gg_conv;
}
static struct gadu_gadu_conv_data *
gadu_gadu_get_conversation_data(packet_info *pinfo)
{
conversation_t *conv;
conv = find_conversation(pinfo->num, &pinfo->src, &pinfo->dst, pinfo->ptype, pinfo->srcport, pinfo->destport, 0);
if (conv)
return (struct gadu_gadu_conv_data *)conversation_get_proto_data(conv, hfi_gadu_gadu->id);
return NULL;
}
static gboolean
gadu_gadu_status_has_descr(int status)
{
return
(status == GG_STATUS_NOT_AVAIL_DESCR) ||
(status == GG_STATUS_FFC_DESCR) ||
(status == GG_STATUS_AVAIL_DESCR) ||
(status == GG_STATUS_BUSY_DESCR) ||
(status == GG_STATUS_DND_DESCR) ||
(status == GG_STATUS_INVISIBLE_DESCR);
}
/* like tvb_strsize() but return maximum length instead of throwing exception */
static int
gadu_gadu_strsize(tvbuff_t *tvb, const gint abs_offset)
{
int nul_offset;
nul_offset = tvb_find_guint8(tvb, abs_offset, -1, 0);
if (nul_offset == -1)
nul_offset = tvb_captured_length(tvb) - 1;
return (nul_offset - abs_offset) + 1;
}
static int
dissect_gadu_gadu_stringz_cp1250(tvbuff_t *tvb, header_field_info *hfi, proto_tree *tree, const int offset)
{
int len = gadu_gadu_strsize(tvb, offset);
proto_tree_add_item(tree, hfi, tvb, offset, len, ENC_WINDOWS_1250 | ENC_NA);
return offset + len;
}
static int
dissect_gadu_gadu_uint32_string_utf8(tvbuff_t *tvb, header_field_info *hfi, proto_tree *tree, int offset)
{
const int org_offset = offset;
guint32 len;
len = tvb_get_letohl(tvb, offset);
offset += 4;
offset += len;
proto_tree_add_item(tree, hfi, tvb, org_offset, offset - org_offset, ENC_UTF_8 | ENC_NA);
return offset;
}
static int
dissect_gadu_gadu_disconnecting(tvbuff_t *tvb _U_, packet_info *pinfo, proto_tree *tree _U_, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Disconnecting");
/* empty packet */
return offset;
}
static int
dissect_gadu_gadu_disconnect_ack(tvbuff_t *tvb _U_, packet_info *pinfo, proto_tree *tree _U_, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Disconnect acknowledge (< 10.0)");
/* empty packet */
return offset;
}
static void *
_tvb_memcpy_reverse(tvbuff_t *tvb, void *target, gint offset, size_t length)
{
guint8 *t = (guint8 *) target;
while (length > 0) {
length--;
t[length] = tvb_get_guint8(tvb, offset);
offset++;
}
return target;
}
static int
dissect_gadu_gadu_login_protocol(tvbuff_t *tvb, proto_tree *tree, int offset)
{
proto_item *ti;
guint32 protocol;
protocol = tvb_get_letohl(tvb, offset) & 0xff;
proto_tree_add_item(tree, &hfi_gadu_gadu_login_protocol, tvb, offset, 4, ENC_LITTLE_ENDIAN);
ti = proto_tree_add_string(tree, &hfi_gadu_gadu_login_version, tvb, offset, 4, val_to_str(protocol, gadu_gadu_version_vals, "Unknown (0x%x)"));
PROTO_ITEM_SET_GENERATED(ti);
offset += 4;
return offset;
}
static int
dissect_gadu_gadu_login(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
proto_item *ti;
guint32 uin;
guint8 hash[4];
col_set_str(pinfo->cinfo, COL_INFO, "Login request (< 6.0)");
uin = tvb_get_letohl(tvb, offset);
gadu_gadu_create_conversation(pinfo, uin);
proto_tree_add_uint(tree, &hfi_gadu_gadu_login_uin, tvb, offset, 4, uin);
offset += 4;
ti = proto_tree_add_uint(tree, &hfi_gadu_gadu_login_hash_type, tvb, 0, 0, GG_LOGIN_HASH_GG32);
PROTO_ITEM_SET_GENERATED(ti);
/* hash is 32-bit number written in LE */
_tvb_memcpy_reverse(tvb, hash, offset, 4);
proto_tree_add_bytes_format_value(tree, hfi_gadu_gadu_login_hash.id, tvb, offset, 4, hash, "0x%.8x", tvb_get_letohl(tvb, offset));
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_login_status, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
offset = dissect_gadu_gadu_login_protocol(tvb, tree, offset);
proto_tree_add_item(tree, &hfi_gadu_gadu_login_local_ip, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_login_local_port, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
return offset;
}
static int
dissect_gadu_gadu_login_hash(tvbuff_t *tvb, proto_tree *tree, int offset)
{
guint8 hash_type;
guint8 hash[4];
int i;
hash_type = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, &hfi_gadu_gadu_login_hash_type, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
switch (hash_type) {
case GG_LOGIN_HASH_GG32:
/* hash is 32-bit number written in LE */
_tvb_memcpy_reverse(tvb, hash, offset, 4);
proto_tree_add_bytes_format_value(tree, hfi_gadu_gadu_login_hash.id, tvb, offset, 4, hash, "0x%.8x", tvb_get_letohl(tvb, offset));
for (i = 4; i < 64; i++) {
if (tvb_get_guint8(tvb, offset+i)) {
proto_tree_add_item(tree, &hfi_gadu_gadu_data, tvb, offset + 4, 64-4, ENC_NA);
break;
}
}
break;
case GG_LOGIN_HASH_SHA1:
proto_tree_add_item(tree, &hfi_gadu_gadu_login_hash, tvb, offset, 20, ENC_NA);
for (i = 20; i < 64; i++) {
if (tvb_get_guint8(tvb, offset+i)) {
proto_tree_add_item(tree, &hfi_gadu_gadu_data, tvb, offset + 20, 64-20, ENC_NA);
break;
}
}
break;
default:
proto_tree_add_item(tree, &hfi_gadu_gadu_data, tvb, offset, 64, ENC_NA);
break;
}
offset += 64;
return offset;
}
static int
dissect_gadu_gadu_login70(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
guint32 uin;
col_set_str(pinfo->cinfo, COL_INFO, "Login request (7.0)");
uin = tvb_get_letohl(tvb, offset) & ~(GG_ERA_OMNIX_MASK | GG_HAS_AUDIO_MASK);
gadu_gadu_create_conversation(pinfo, uin);
proto_tree_add_uint(tree, &hfi_gadu_gadu_login_uin, tvb, offset, 4, uin);
offset += 4;
offset = dissect_gadu_gadu_login_hash(tvb, tree, offset);
proto_tree_add_item(tree, &hfi_gadu_gadu_login_status, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
offset = dissect_gadu_gadu_login_protocol(tvb, tree, offset);
proto_tree_add_item(tree, &hfi_gadu_gadu_data, tvb, offset, 1, ENC_NA); /* 00 */
offset += 1;
proto_tree_add_item(tree, &hfi_gadu_gadu_login_local_ip, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_login_local_port, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
/* XXX packet not fully dissected */
return offset;
}
static int
dissect_gadu_gadu_login80(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
guint32 uin;
col_set_str(pinfo->cinfo, COL_INFO, "Login request (8.0)");
uin = tvb_get_letohl(tvb, offset);
gadu_gadu_create_conversation(pinfo, uin);
proto_tree_add_item(tree, &hfi_gadu_gadu_login_uin, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_login80_lang, tvb, offset, 2, ENC_ASCII | ENC_NA);
offset += 2;
offset = dissect_gadu_gadu_login_hash(tvb, tree, offset);
proto_tree_add_item(tree, &hfi_gadu_gadu_login_status, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
/* XXX packet not fully dissected */
return offset;
}
static int
dissect_gadu_gadu_login_ok(tvbuff_t *tvb _U_, packet_info *pinfo, proto_tree *tree _U_, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Login success (< 8.0)");
/* not empty packet, but content unknown */
return offset;
}
static int
dissect_gadu_gadu_login_failed(tvbuff_t *tvb _U_, packet_info *pinfo, proto_tree *tree _U_, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Login fail (< 8.0)");
/* empty packet */
return offset;
}
static int
dissect_gadu_gadu_login_ok80(tvbuff_t *tvb _U_, packet_info *pinfo, proto_tree *tree _U_, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Login success (8.0)");
proto_tree_add_item(tree, &hfi_gadu_gadu_data, tvb, offset, 4, ENC_NA); /* 01 00 00 00 */
offset += 4;
return offset;
}
static int
dissect_gadu_gadu_login80_failed(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Login fail (8.0)");
proto_tree_add_item(tree, &hfi_gadu_gadu_data, tvb, offset, 4, ENC_NA); /* 01 00 00 00 */
offset += 4;
return offset;
}
static int
dissect_gadu_gadu_user_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
guint32 users_num;
col_set_str(pinfo->cinfo, COL_INFO, "Contact details");
/* XXX, add subtrees */
offset += 4;
users_num = tvb_get_letohl(tvb, offset);
offset += 4;
while (users_num--) {
guint32 attr_num;
proto_tree_add_item(tree, &hfi_gadu_gadu_userdata_uin, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
attr_num = tvb_get_letohl(tvb, offset);
offset += 4;
while (attr_num--) {
guint32 name_size, val_size;
char *name, *val;
/* name */
name_size = tvb_get_letohl(tvb, offset);
offset += 4;
name = tvb_get_string_enc(wmem_packet_scope(), tvb, offset, name_size, ENC_ASCII | ENC_NA);
proto_tree_add_string(tree, &hfi_gadu_gadu_userdata_attr_name, tvb, offset - 4, 4 + name_size, name);
offset += name_size;
/* type */
proto_tree_add_item(tree, &hfi_gadu_gadu_userdata_attr_type, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
/* value */
val_size = tvb_get_letohl(tvb, offset);
offset += 4;
val = tvb_get_string_enc(wmem_packet_scope(), tvb, offset, val_size, ENC_ASCII | ENC_NA);
proto_tree_add_string(tree, &hfi_gadu_gadu_userdata_attr_value, tvb, offset - 4, 4 + val_size, val);
offset += val_size;
}
}
return offset;
}
static int
dissect_gadu_gadu_typing_notify(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Typing notify");
/* XXX, when type > 1, it's length not type ! */
proto_tree_add_item(tree, &hfi_gadu_gadu_typing_notify_type, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(tree, &hfi_gadu_gadu_typing_notify_uin, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
return offset;
}
static int
dissect_gadu_gadu_msg_attr(tvbuff_t *tvb _U_, proto_tree *tree _U_, int offset)
{
/* XXX, stub */
return offset;
}
static int
dissect_gadu_gadu_recv_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
struct gadu_gadu_conv_data *conv;
proto_item *ti;
col_set_str(pinfo->cinfo, COL_INFO, "Receive message (< 8.0)");
if ((conv = gadu_gadu_get_conversation_data(pinfo))) {
ti = proto_tree_add_uint(tree, &hfi_gadu_gadu_msg_recipient, tvb, 0, 0, conv->uin);
PROTO_ITEM_SET_GENERATED(ti);
ti = proto_tree_add_uint(tree, &hfi_gadu_gadu_msg_uin, tvb, 0, 0, conv->uin);
PROTO_ITEM_SET_GENERATED(ti);
PROTO_ITEM_SET_HIDDEN(ti);
}
ti = proto_tree_add_item(tree, &hfi_gadu_gadu_msg_uin, tvb, offset, 4, ENC_LITTLE_ENDIAN);
PROTO_ITEM_SET_HIDDEN(ti);
proto_tree_add_item(tree, &hfi_gadu_gadu_msg_sender, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_msg_seq, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_msg_time, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_msg_class, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
offset = dissect_gadu_gadu_stringz_cp1250(tvb, &hfi_gadu_gadu_msg_text, tree, offset);
offset = dissect_gadu_gadu_msg_attr(tvb, tree, offset);
return offset;
}
static int
dissect_gadu_gadu_send_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
struct gadu_gadu_conv_data *conv;
proto_item *ti;
col_set_str(pinfo->cinfo, COL_INFO, "Send message (< 8.0)");
ti = proto_tree_add_item(tree, &hfi_gadu_gadu_msg_uin, tvb, offset, 4, ENC_LITTLE_ENDIAN);
PROTO_ITEM_SET_HIDDEN(ti);
proto_tree_add_item(tree, &hfi_gadu_gadu_msg_recipient, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
if ((conv = gadu_gadu_get_conversation_data(pinfo))) {
ti = proto_tree_add_uint(tree, &hfi_gadu_gadu_msg_sender, tvb, 0, 0, conv->uin);
PROTO_ITEM_SET_GENERATED(ti);
ti = proto_tree_add_uint(tree, &hfi_gadu_gadu_msg_uin, tvb, 0, 0, conv->uin);
PROTO_ITEM_SET_GENERATED(ti);
PROTO_ITEM_SET_HIDDEN(ti);
}
proto_tree_add_item(tree, &hfi_gadu_gadu_msg_seq, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
ti = proto_tree_add_time(tree, &hfi_gadu_gadu_msg_time, tvb, 0, 0, &(pinfo->abs_ts));
PROTO_ITEM_SET_GENERATED(ti);
proto_tree_add_item(tree, &hfi_gadu_gadu_msg_class, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
offset = dissect_gadu_gadu_stringz_cp1250(tvb, &hfi_gadu_gadu_msg_text, tree, offset);
offset = dissect_gadu_gadu_msg_attr(tvb, tree, offset);
return offset;
}
static int
dissect_gadu_gadu_recv_msg80(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
struct gadu_gadu_conv_data *conv;
proto_item *ti;
col_set_str(pinfo->cinfo, COL_INFO, "Receive message (8.0)");
if ((conv = gadu_gadu_get_conversation_data(pinfo))) {
ti = proto_tree_add_uint(tree, &hfi_gadu_gadu_msg_recipient, tvb, 0, 0, conv->uin);
PROTO_ITEM_SET_GENERATED(ti);
ti = proto_tree_add_uint(tree, &hfi_gadu_gadu_msg_uin, tvb, 0, 0, conv->uin);
PROTO_ITEM_SET_GENERATED(ti);
PROTO_ITEM_SET_HIDDEN(ti);
}
ti = proto_tree_add_item(tree, &hfi_gadu_gadu_msg_uin, tvb, offset, 4, ENC_LITTLE_ENDIAN);
PROTO_ITEM_SET_HIDDEN(ti);
proto_tree_add_item(tree, &hfi_gadu_gadu_msg_sender, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_msg_seq, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_msg_time, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_msg_class, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_msg80_offset_plain, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_msg80_offset_attr, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
/* XXX packet not fully dissected */
return offset;
}
static int
dissect_gadu_gadu_send_msg80(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
struct gadu_gadu_conv_data *conv;
proto_item *ti;
col_set_str(pinfo->cinfo, COL_INFO, "Send message (8.0)");
ti = proto_tree_add_item(tree, &hfi_gadu_gadu_msg_uin, tvb, offset, 4, ENC_LITTLE_ENDIAN);
PROTO_ITEM_SET_HIDDEN(ti);
proto_tree_add_item(tree, &hfi_gadu_gadu_msg_recipient, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
if ((conv = gadu_gadu_get_conversation_data(pinfo))) {
ti = proto_tree_add_uint(tree, &hfi_gadu_gadu_msg_sender, tvb, 0, 0, conv->uin);
PROTO_ITEM_SET_GENERATED(ti);
ti = proto_tree_add_uint(tree, &hfi_gadu_gadu_msg_uin, tvb, 0, 0, conv->uin);
PROTO_ITEM_SET_GENERATED(ti);
PROTO_ITEM_SET_HIDDEN(ti);
}
proto_tree_add_item(tree, &hfi_gadu_gadu_msg_seq, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
ti = proto_tree_add_time(tree, &hfi_gadu_gadu_msg_time, tvb, 0, 0, &(pinfo->abs_ts));
PROTO_ITEM_SET_GENERATED(ti);
proto_tree_add_item(tree, &hfi_gadu_gadu_msg_class, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_msg80_offset_plain, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_msg80_offset_attr, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
/* XXX packet not fully dissected */
return offset;
}
static int
dissect_gadu_gadu_send_msg_ack(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Message acknowledge (server)");
proto_tree_add_item(tree, &hfi_gadu_gadu_msg_ack_status, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_msg_ack_recipient, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_msg_ack_seq, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
return offset;
}
static int
dissect_gadu_gadu_recv_msg_ack(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Message acknowledge (client)");
proto_tree_add_item(tree, &hfi_gadu_gadu_msg_ack_seq, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
return offset;
}
static int
dissect_gadu_gadu_status60(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
guint32 uin;
guint8 status;
col_set_str(pinfo->cinfo, COL_INFO, "Receive status (6.0)");
uin = tvb_get_letohl(tvb, offset) & ~(GG_ERA_OMNIX_MASK | GG_HAS_AUDIO_MASK);
proto_tree_add_uint(tree, &hfi_gadu_gadu_status_uin, tvb, offset, 4, uin);
offset += 4;
status = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, &hfi_gadu_gadu_status_status, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item(tree, &hfi_gadu_gadu_status_ip, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_status_port, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(tree, &hfi_gadu_gadu_status_version, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item(tree, &hfi_gadu_gadu_status_img_size, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item(tree, &hfi_gadu_gadu_data, tvb, offset, 1, ENC_NA); /* 00 */
offset += 1;
if (gadu_gadu_status_has_descr(status))
offset = dissect_gadu_gadu_stringz_cp1250(tvb, &hfi_gadu_gadu_status_descr, tree, offset);
return offset;
}
static int
dissect_gadu_gadu_status77(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
guint32 uin;
guint8 status;
col_set_str(pinfo->cinfo, COL_INFO, "Receive status (7.7)");
uin = tvb_get_letohl(tvb, offset) & ~(GG_ERA_OMNIX_MASK | GG_HAS_AUDIO_MASK);
proto_tree_add_uint(tree, &hfi_gadu_gadu_status_uin, tvb, offset, 4, uin);
offset += 4;
status = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, &hfi_gadu_gadu_status_status, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item(tree, &hfi_gadu_gadu_status_ip, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_status_port, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(tree, &hfi_gadu_gadu_status_version, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item(tree, &hfi_gadu_gadu_status_img_size, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item(tree, &hfi_gadu_gadu_data, tvb, offset, 1, ENC_NA); /* 00 */
offset += 1;
proto_tree_add_item(tree, &hfi_gadu_gadu_data, tvb, offset, 4, ENC_NA);
offset += 4;
if (gadu_gadu_status_has_descr(status))
offset = dissect_gadu_gadu_stringz_cp1250(tvb, &hfi_gadu_gadu_status_descr, tree, offset);
return offset;
}
static int
dissect_gadu_gadu_status80(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Receive status (8.0)");
proto_tree_add_item(tree, &hfi_gadu_gadu_status_uin, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_status_status, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_data, tvb, offset, 4, ENC_NA);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_status_ip, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_status_port, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(tree, &hfi_gadu_gadu_status_img_size, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item(tree, &hfi_gadu_gadu_data, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(tree, &hfi_gadu_gadu_data, tvb, offset, 4, ENC_NA);
offset += 4;
offset = dissect_gadu_gadu_uint32_string_utf8(tvb, &hfi_gadu_gadu_status_descr, tree, offset);
return offset;
}
static int
dissect_gadu_gadu_notify_reply80(tvbuff_t *tvb _U_, packet_info *pinfo, proto_tree *tree _U_, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Receive status list (8.0)");
/* XXX packet not fully dissected */
return offset;
}
static int
dissect_gadu_gadu_new_status(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
guint32 status;
col_set_str(pinfo->cinfo, COL_INFO, "New status (< 8.0)");
status = tvb_get_letohl(tvb, offset);
proto_tree_add_item(tree, &hfi_gadu_gadu_new_status_status, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
if (gadu_gadu_status_has_descr(status & 0xff))
offset = dissect_gadu_gadu_stringz_cp1250(tvb, &hfi_gadu_gadu_status_descr, tree, offset);
return offset;
}
static int
dissect_gadu_gadu_new_status80(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "New status (8.0)");
proto_tree_add_item(tree, &hfi_gadu_gadu_new_status_status, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_data, tvb, offset, 4, ENC_NA);
offset += 4;
offset = dissect_gadu_gadu_uint32_string_utf8(tvb, &hfi_gadu_gadu_new_status_desc, tree, offset);
return offset;
}
static int
dissect_gadu_gadu_list_empty(tvbuff_t *tvb _U_, packet_info *pinfo, proto_tree *tree _U_, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Notify list (empty)");
/* empty packet */
return offset;
}
static int
dissect_gadu_gadu_add_notify(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Notify list add");
proto_tree_add_item(tree, &hfi_gadu_gadu_contact_uin, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_contact_type, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
return offset;
}
static int
dissect_gadu_gadu_notify105_common(tvbuff_t *tvb, proto_tree *tree, int offset, char **puin)
{
guint16 uin_len;
char *uin;
proto_tree_add_item(tree, &hfi_gadu_gadu_data, tvb, offset, 1, ENC_NA); /* unknown 00 */
offset += 1;
uin_len = tvb_get_guint8(tvb, offset);
offset += 1;
uin = tvb_get_string_enc(wmem_packet_scope(), tvb, offset, uin_len, ENC_ASCII | ENC_NA);
proto_tree_add_string(tree, &hfi_gadu_gadu_contact_uin_str, tvb, offset - 1, 1 + uin_len, uin);
offset += uin_len;
if (puin)
*puin = uin;
proto_tree_add_item(tree, &hfi_gadu_gadu_contact_type, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
return offset;
}
static int
dissect_gadu_gadu_add_notify105(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Notify list add (10.5)");
return dissect_gadu_gadu_notify105_common(tvb, tree, offset, NULL);
}
static int
dissect_gadu_gadu_remove_notify(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Notify list remove");
proto_tree_add_item(tree, &hfi_gadu_gadu_contact_uin, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_gadu_gadu_contact_type, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
return offset;
}
static int
dissect_gadu_gadu_remove_notify105(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Notify list remove (10.5)");
return dissect_gadu_gadu_notify105_common(tvb, tree, offset, NULL);
}
static int
dissect_gadu_gadu_notify_common(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset)
{
proto_tree *contact_tree;
while (tvb_reported_length_remaining(tvb, offset) >= 4+1) {
guint32 uin = tvb_get_letohl(tvb, offset);
contact_tree = proto_tree_add_subtree_format(tree, tvb, offset, 5,
ett_gadu_gadu_contact, NULL, "Contact: %u", uin);
proto_tree_add_item(contact_tree, &hfi_gadu_gadu_contact_uin, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(contact_tree, &hfi_gadu_gadu_contact_type, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
}
return offset;
}
static int
dissect_gadu_gadu_notify_first(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Notify list");
return dissect_gadu_gadu_notify_common(tvb, pinfo, tree, offset);
}
static int
dissect_gadu_gadu_notify_last(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Notify list (last)");
return dissect_gadu_gadu_notify_common(tvb, pinfo, tree, offset);
}
static int
dissect_gadu_gadu_notify105(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Notify list (10.5)");
while (tvb_reported_length_remaining(tvb, offset) >= 2) {
const int org_offset = offset;
proto_tree *contact_tree;
proto_item *ti;
char *uin;
contact_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_gadu_gadu_contact, &ti, "Contact: ");
offset = dissect_gadu_gadu_notify105_common(tvb, contact_tree, offset, &uin);
proto_item_append_text(ti, "%s", uin);
proto_item_set_len(ti, offset - org_offset);
}
return offset;
}
static int
dissect_gadu_gadu_ping(tvbuff_t *tvb _U_, packet_info *pinfo, proto_tree *tree _U_, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Ping");
/* empty packet */
return offset;
}
static int
dissect_gadu_gadu_welcome(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Welcome");
proto_tree_add_item(tree, &hfi_gadu_gadu_welcome_seed, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
return offset;
}
static int
dissect_gadu_gadu_userlist_xml_compressed(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
int remain = tvb_reported_length_remaining(tvb, offset);
tvbuff_t *uncomp_tvb;
if (remain <= 0)
return offset;
if ((uncomp_tvb = tvb_child_uncompress(tvb, tvb, offset, remain))) {
proto_tree_add_bytes_format_value(tree, hfi_gadu_gadu_userlist.id, tvb, offset, remain, NULL, "[Decompression succeeded]");
add_new_data_source(pinfo, uncomp_tvb, "Uncompressed userlist");
/* XXX add DTD (pinfo->match_string) */
call_dissector_only(xml_handle, uncomp_tvb, pinfo, tree, NULL);
} else
proto_tree_add_bytes_format_value(tree, hfi_gadu_gadu_userlist.id, tvb, offset, remain, NULL, "[Error: Decompression failed] (or no zlib)");
offset += remain;
return offset;
}
static int
dissect_gadu_gadu_userlist_request80(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
guint8 type;
proto_item *ti;
col_set_str(pinfo->cinfo, COL_INFO, "Userlist request (8.0)");
type = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, &hfi_gadu_gadu_userlist_request_type, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
ti = proto_tree_add_uint(tree, &hfi_gadu_gadu_userlist_format, tvb, 0, 0, GG_USERLIST100_FORMAT_TYPE_GG100);
PROTO_ITEM_SET_GENERATED(ti);
switch (type) {
case GG_USERLIST_PUT:
offset = dissect_gadu_gadu_userlist_xml_compressed(tvb, pinfo, tree, offset);
break;
}
return offset;
}
static int
dissect_gadu_gadu_userlist_request100(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
guint8 type, format;
col_set_str(pinfo->cinfo, COL_INFO, "Userlist request (10.0)");
type = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, &hfi_gadu_gadu_userlist_request_type, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item(tree, &hfi_gadu_gadu_userlist_version, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
format = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, &hfi_gadu_gadu_userlist_format, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item(tree, &hfi_gadu_gadu_data, tvb, offset, 1, ENC_NA); /* 01 */
offset += 1;
switch (type) {
case GG_USERLIST_PUT:
if (format == GG_USERLIST100_FORMAT_TYPE_GG100)
offset = dissect_gadu_gadu_userlist_xml_compressed(tvb, pinfo, tree, offset);
break;
}
return offset;
}
static int
dissect_gadu_gadu_userlist_reply80(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
guint8 type;
col_set_str(pinfo->cinfo, COL_INFO, "Userlist reply (8.0)");
type = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, &hfi_gadu_gadu_userlist_reply_type, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
switch (type) {
case GG_USERLIST_GET_REPLY:
offset = dissect_gadu_gadu_userlist_xml_compressed(tvb, pinfo, tree, offset);
break;
}
return offset;
}
static int
dissect_gadu_gadu_userlist_reply100(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
guint8 type, format;
col_set_str(pinfo->cinfo, COL_INFO, "Userlist reply (10.0)");
type = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, &hfi_gadu_gadu_userlist_reply_type, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item(tree, &hfi_gadu_gadu_userlist_version, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
format = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, &hfi_gadu_gadu_userlist_format, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item(tree, &hfi_gadu_gadu_data, tvb, offset, 1, ENC_NA); /* 01 */
offset += 1;
switch (type) {
case GG_USERLIST_GET_REPLY:
if (format == GG_USERLIST100_FORMAT_TYPE_GG100)
offset = dissect_gadu_gadu_userlist_xml_compressed(tvb, pinfo, tree, offset);
break;
}
return offset;
}
static int
dissect_gadu_gadu_userlist_version100(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Userlist version (10.0)");
proto_tree_add_item(tree, &hfi_gadu_gadu_userlist_version, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
return offset;
}
static int
dissect_gadu_gadu_dcc7_id_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Direct connection id request");
proto_tree_add_item(tree, &hfi_dcc_type, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
return offset;
}
static int
dissect_gadu_gadu_dcc7_id_reply(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Direct connection id reply");
proto_tree_add_item(tree, &hfi_dcc_type, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_dcc_id, tvb, offset, 8, ENC_NA);
offset += 8;
return offset;
}
static int
dissect_gadu_gadu_dcc7_new(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Direct connection new");
proto_tree_add_item(tree, &hfi_dcc_id, tvb, offset, 8, ENC_NA);
offset += 8;
proto_tree_add_item(tree, &hfi_dcc_uin_from, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_dcc_uin_to, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_dcc_type, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_dcc_filename, tvb, offset, 255, ENC_ASCII | ENC_NA);
offset += 255;
return offset;
}
static int
dissect_gadu_gadu_dcc7_id_abort(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
col_set_str(pinfo->cinfo, COL_INFO, "Direct connection abort");
proto_tree_add_item(tree, &hfi_dcc_id, tvb, offset, 8, ENC_NA);
offset += 8;
proto_tree_add_item(tree, &hfi_dcc_uin_from, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(tree, &hfi_dcc_uin_to, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
return offset;
}
static int
dissect_gadu_gadu_pubdir50_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
int pos;
col_set_str(pinfo->cinfo, COL_INFO, "Public directory request");
proto_tree_add_item(tree, &hfi_gadu_gadu_pubdir_request_type, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item(tree, &hfi_gadu_gadu_pubdir_request_seq, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
/* XXX, link request sequence with reply sequence */
while ((pos = tvb_find_guint8(tvb, offset, -1, '\0')) > 0) {
/* XXX, display it better, field=value */
proto_tree_add_item(tree, &hfi_gadu_gadu_pubdir_request_str, tvb, offset, (pos - offset) + 1, ENC_NA | ENC_WINDOWS_1250);
offset = pos + 1;
}
return offset;
}
static int
dissect_gadu_gadu_pubdir50_reply(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
int pos;
col_set_str(pinfo->cinfo, COL_INFO, "Public directory reply");
proto_tree_add_item(tree, &hfi_gadu_gadu_pubdir_reply_type, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item(tree, &hfi_gadu_gadu_pubdir_reply_seq, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
/* XXX, link reply sequence with request sequence */
while ((pos = tvb_find_guint8(tvb, offset, -1, '\0')) > 0) {
/* XXX, display it better, field=value */
proto_tree_add_item(tree, &hfi_gadu_gadu_pubdir_reply_str, tvb, offset, (pos - offset) + 1, ENC_NA | ENC_WINDOWS_1250);
offset = pos + 1;
}
return offset;
}
static int
dissect_gadu_gadu_xml_action(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
tvbuff_t *xml_tvb;
int ret;
col_set_str(pinfo->cinfo, COL_INFO, "XML action message");
xml_tvb = tvb_new_subset_remaining(tvb, offset);
/* XXX add DTD (pinfo->match_string) */
ret = call_dissector_only(xml_handle, xml_tvb, pinfo, tree, NULL);
return offset + ret;
}
static int
dissect_gadu_gadu_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
proto_tree *gadu_gadu_tree = NULL;
int offset = 0;
guint32 pkt_type;
col_clear(pinfo->cinfo, COL_INFO); /* XXX, remove, add separator when multiple PDU */
if (tree) {
proto_item *ti = proto_tree_add_item(tree, hfi_gadu_gadu, tvb, 0, -1, ENC_NA);
gadu_gadu_tree = proto_item_add_subtree(ti, ett_gadu_gadu);
}
pkt_type = tvb_get_letohl(tvb, offset);
proto_tree_add_item(gadu_gadu_tree, (pinfo->p2p_dir == P2P_DIR_RECV) ? &hfi_gadu_gadu_header_type_recv : &hfi_gadu_gadu_header_type_send, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(gadu_gadu_tree, &hfi_gadu_gadu_header_length, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
if (pinfo->p2p_dir == P2P_DIR_RECV) {
switch (pkt_type) {
case GG_DISCONNECTING:
offset = dissect_gadu_gadu_disconnecting(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_DISCONNECT_ACK:
offset = dissect_gadu_gadu_disconnect_ack(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_LOGIN_OK:
offset = dissect_gadu_gadu_login_ok(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_LOGIN_OK80:
offset = dissect_gadu_gadu_login_ok80(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_LOGIN_FAILED:
offset = dissect_gadu_gadu_login_failed(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_LOGIN80_FAILED:
offset = dissect_gadu_gadu_login80_failed(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_USER_DATA:
offset = dissect_gadu_gadu_user_data(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_TYPING_NOTIFY:
offset = dissect_gadu_gadu_typing_notify(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_RECV_MSG:
offset = dissect_gadu_gadu_recv_msg(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_RECV_MSG80:
offset = dissect_gadu_gadu_recv_msg80(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_SEND_MSG_ACK:
/* GG_SEND_MSG_ACK is received by client */
offset = dissect_gadu_gadu_send_msg_ack(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_STATUS60:
offset = dissect_gadu_gadu_status60(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_STATUS77:
offset = dissect_gadu_gadu_status77(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_STATUS80:
offset = dissect_gadu_gadu_status80(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_NOTIFY_REPLY80:
offset = dissect_gadu_gadu_notify_reply80(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_DCC7_ID_REPLY:
offset = dissect_gadu_gadu_dcc7_id_reply(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_WELCOME:
offset = dissect_gadu_gadu_welcome(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_USERLIST_REPLY80:
offset = dissect_gadu_gadu_userlist_reply80(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_USERLIST100_REPLY:
offset = dissect_gadu_gadu_userlist_reply100(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_USERLIST100_VERSION:
offset = dissect_gadu_gadu_userlist_version100(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_PUBDIR50_REPLY:
offset = dissect_gadu_gadu_pubdir50_reply(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_XML_ACTION:
offset = dissect_gadu_gadu_xml_action(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_STATUS:
case GG_PONG:
case GG_PING:
case GG_NOTIFY_REPLY:
case GG_USERLIST_REPLY:
case GG_NOTIFY_REPLY60:
case GG_NEED_EMAIL:
case GG_LOGIN_HASH_TYPE_INVALID:
case GG_NOTIFY_REPLY77:
case GG_DCC7_INFO:
case GG_DCC7_NEW:
case GG_DCC7_ACCEPT:
case GG_DCC7_REJECT:
case GG_DCC7_ID_ABORTED:
case GG_XML_EVENT:
case GG_STATUS80BETA:
case GG_NOTIFY_REPLY80BETA:
case GG_OWN_MESSAGE:
case GG_OWN_RESOURCE_INFO:
default:
{
const char *pkt_name = try_val_to_str(pkt_type, gadu_gadu_packets_type_recv);
if (pkt_name)
col_set_str(pinfo->cinfo, COL_INFO, pkt_name);
else
col_add_fstr(pinfo->cinfo, COL_INFO, "Unknown recv packet: %.2x", pkt_type);
break;
}
}
} else {
switch (pkt_type) {
case GG_LOGIN:
offset = dissect_gadu_gadu_login(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_LOGIN70:
offset = dissect_gadu_gadu_login70(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_LOGIN80:
offset = dissect_gadu_gadu_login80(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_LIST_EMPTY:
offset = dissect_gadu_gadu_list_empty(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_NOTIFY_FIRST:
offset = dissect_gadu_gadu_notify_first(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_NOTIFY_LAST:
offset = dissect_gadu_gadu_notify_last(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_NOTIFY105:
offset = dissect_gadu_gadu_notify105(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_ADD_NOTIFY:
offset = dissect_gadu_gadu_add_notify(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_ADD_NOTIFY105:
offset = dissect_gadu_gadu_add_notify105(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_REMOVE_NOTIFY:
offset = dissect_gadu_gadu_remove_notify(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_REMOVE_NOTIFY105:
offset = dissect_gadu_gadu_remove_notify105(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_PING:
offset = dissect_gadu_gadu_ping(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_TYPING_NOTIFY:
offset = dissect_gadu_gadu_typing_notify(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_SEND_MSG:
offset = dissect_gadu_gadu_send_msg(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_SEND_MSG80:
offset = dissect_gadu_gadu_send_msg80(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_RECV_MSG_ACK:
/* GG_RECV_MSG_ACK is send by client */
offset = dissect_gadu_gadu_recv_msg_ack(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_NEW_STATUS:
offset = dissect_gadu_gadu_new_status(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_NEW_STATUS80:
offset = dissect_gadu_gadu_new_status80(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_DCC7_ID_REQUEST:
offset = dissect_gadu_gadu_dcc7_id_request(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_DCC7_NEW:
offset = dissect_gadu_gadu_dcc7_new(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_DCC7_ID_ABORT:
offset = dissect_gadu_gadu_dcc7_id_abort(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_USERLIST_REQUEST80:
offset = dissect_gadu_gadu_userlist_request80(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_USERLIST100_REQUEST:
offset = dissect_gadu_gadu_userlist_request100(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_PUBDIR50_REQUEST:
offset = dissect_gadu_gadu_pubdir50_request(tvb, pinfo, gadu_gadu_tree, offset);
break;
case GG_PONG:
case GG_LOGIN_EXT:
case GG_LOGIN60:
case GG_USERLIST_REQUEST:
case GG_DCC7_INFO:
case GG_DCC7_ACCEPT:
case GG_DCC7_REJECT:
case GG_DCC7_ID_DUNNO1:
case GG_NEW_STATUS80BETA:
case GG_LOGIN80BETA:
case GG_OWN_DISCONNECT:
case GG_NEW_STATUS105:
case GG_LOGIN105:
default:
{
const char *pkt_name = try_val_to_str(pkt_type, gadu_gadu_packets_type_send);
if (pkt_name)
col_set_str(pinfo->cinfo, COL_INFO, pkt_name);
else
col_add_fstr(pinfo->cinfo, COL_INFO, "Unknown send packet: %.2x", pkt_type);
break;
}
}
}
/* for now display rest of data as FT_BYTES. */
if (tvb_reported_length_remaining(tvb, offset) > 0) {
proto_tree_add_item(gadu_gadu_tree, &hfi_gadu_gadu_data, tvb, offset, -1, ENC_NA);
}
return tvb_captured_length(tvb);
}
static guint
get_gadu_gadu_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb,
int offset, void *data _U_)
{
guint32 len = tvb_get_letohl(tvb, offset + 4);
return len + 8;
}
static int
dissect_gadu_gadu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
if (pinfo->srcport == pinfo->match_uint && pinfo->destport != pinfo->match_uint)
pinfo->p2p_dir = P2P_DIR_RECV;
else if (pinfo->srcport != pinfo->match_uint && pinfo->destport == pinfo->match_uint)
pinfo->p2p_dir = P2P_DIR_SENT;
else
return 0;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Gadu-Gadu");
col_clear(pinfo->cinfo, COL_INFO);
tcp_dissect_pdus(tvb, pinfo, tree, gadu_gadu_desegment, 8, get_gadu_gadu_pdu_len, dissect_gadu_gadu_pdu, data);
return tvb_captured_length(tvb);
}
void
proto_register_gadu_gadu(void)
{
#ifndef HAVE_HFI_SECTION_INIT
static header_field_info *hfi[] = {
/* Header */
&hfi_gadu_gadu_header_type_recv,
&hfi_gadu_gadu_header_type_send,
&hfi_gadu_gadu_header_length,
/* Login common */
&hfi_gadu_gadu_login_uin,
&hfi_gadu_gadu_login_hash_type,
&hfi_gadu_gadu_login_hash,
&hfi_gadu_gadu_login_status,
&hfi_gadu_gadu_login_protocol,
&hfi_gadu_gadu_login_version,
&hfi_gadu_gadu_login_local_ip,
&hfi_gadu_gadu_login_local_port,
/* GG_LOGIN80 */
&hfi_gadu_gadu_login80_lang,
/* Contacts details */
&hfi_gadu_gadu_userdata_uin,
&hfi_gadu_gadu_userdata_attr_name,
&hfi_gadu_gadu_userdata_attr_type,
&hfi_gadu_gadu_userdata_attr_value,
/* Typing notify */
&hfi_gadu_gadu_typing_notify_type,
&hfi_gadu_gadu_typing_notify_uin,
/* Message common */
&hfi_gadu_gadu_msg_uin,
&hfi_gadu_gadu_msg_sender,
&hfi_gadu_gadu_msg_recipient,
&hfi_gadu_gadu_msg_seq,
&hfi_gadu_gadu_msg_time,
&hfi_gadu_gadu_msg_class,
&hfi_gadu_gadu_msg_text,
/* GG_RECV_MSG80, GG_SEND_MSG80 */
&hfi_gadu_gadu_msg80_offset_plain,
&hfi_gadu_gadu_msg80_offset_attr,
/* GG_SEND_MSG_ACK */
&hfi_gadu_gadu_msg_ack_status,
&hfi_gadu_gadu_msg_ack_recipient,
&hfi_gadu_gadu_msg_ack_seq,
/* Status common */
&hfi_gadu_gadu_status_uin,
&hfi_gadu_gadu_status_status,
&hfi_gadu_gadu_status_ip,
&hfi_gadu_gadu_status_port,
&hfi_gadu_gadu_status_version,
&hfi_gadu_gadu_status_img_size,
&hfi_gadu_gadu_status_descr,
/* Direct Connection */
&hfi_dcc_type,
&hfi_dcc_id,
&hfi_dcc_uin_to,
&hfi_dcc_uin_from,
&hfi_dcc_filename,
/* New status (setting status) common */
&hfi_gadu_gadu_new_status_status,
&hfi_gadu_gadu_new_status_desc,
/* Userlist */
&hfi_gadu_gadu_userlist_request_type,
&hfi_gadu_gadu_userlist_version,
&hfi_gadu_gadu_userlist_format,
&hfi_gadu_gadu_userlist_reply_type,
&hfi_gadu_gadu_userlist,
/* Public Directory */
&hfi_gadu_gadu_pubdir_request_type,
&hfi_gadu_gadu_pubdir_request_seq,
&hfi_gadu_gadu_pubdir_request_str,
&hfi_gadu_gadu_pubdir_reply_type,
&hfi_gadu_gadu_pubdir_reply_seq,
&hfi_gadu_gadu_pubdir_reply_str,
/* Contact (notify) common */
&hfi_gadu_gadu_contact_uin,
&hfi_gadu_gadu_contact_uin_str,
&hfi_gadu_gadu_contact_type,
/* GG_WELCOME */
&hfi_gadu_gadu_welcome_seed,
/* Not dissected data */
&hfi_gadu_gadu_data,
};
#endif /* HAVE_HFI_SECTION_INIT */
static gint *ett[] = {
&ett_gadu_gadu,
&ett_gadu_gadu_contact
};
module_t *gadu_gadu_module;
int proto_gadu_gadu;
proto_gadu_gadu = proto_register_protocol("Gadu-Gadu Protocol", "Gadu-Gadu", "gadu-gadu");
hfi_gadu_gadu = proto_registrar_get_nth(proto_gadu_gadu);
gadu_gadu_module = prefs_register_protocol(proto_gadu_gadu, NULL);
prefs_register_bool_preference(gadu_gadu_module, "desegment",
"Reassemble Gadu-Gadu messages spanning multiple TCP segments",
"Whether the Gadu-Gadu dissector should reassemble messages spanning multiple TCP segments."
"To use this option, you must also enable \"Allow subdissectors to reassemble TCP streams\" in the TCP protocol settings.",
&gadu_gadu_desegment);
proto_register_fields(proto_gadu_gadu, hfi, array_length(hfi));
proto_register_subtree_array(ett, array_length(ett));
gadu_gadu_handle = create_dissector_handle(dissect_gadu_gadu, proto_gadu_gadu);
}
void
proto_reg_handoff_gadu_gadu(void)
{
dissector_add_uint("tcp.port", TCP_PORT_GADU_GADU, gadu_gadu_handle);
xml_handle = find_dissector_add_dependency("xml", hfi_gadu_gadu->id);
}
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 8
* tab-width: 8
* indent-tabs-mode: t
* End:
*
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
* :indentSize=8:tabSize=8:noTabs=false:
*/
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