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/* packet-yhoo.c
* Routines for yahoo messenger packet dissection
* Copyright 1999, Nathan Neulinger <nneul@umr.edu>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* Copied from packet-tftp.c
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <epan/packet.h>
void proto_register_yhoo(void);
void proto_reg_handoff_yhoo(void);
static int proto_yhoo = -1;
static int hf_yhoo_version = -1;
static int hf_yhoo_len = -1;
static int hf_yhoo_service = -1;
static int hf_yhoo_connection_id = -1;
static int hf_yhoo_magic_id = -1;
static int hf_yhoo_unknown1 = -1;
static int hf_yhoo_msgtype = -1;
static int hf_yhoo_nick1 = -1;
static int hf_yhoo_nick2 = -1;
static int hf_yhoo_content = -1;
static gint ett_yhoo = -1;
#define TCP_PORT_YHOO 5050
/* This is from yahoolib.h from gtkyahoo */
/* Service constants */
#define YAHOO_SERVICE_LOGON 1
#define YAHOO_SERVICE_LOGOFF 2
#define YAHOO_SERVICE_ISAWAY 3
#define YAHOO_SERVICE_ISBACK 4
#define YAHOO_SERVICE_IDLE 5
#define YAHOO_SERVICE_MESSAGE 6
#define YAHOO_SERVICE_IDACT 7
#define YAHOO_SERVICE_IDDEACT 8
#define YAHOO_SERVICE_MAILSTAT 9
#define YAHOO_SERVICE_USERSTAT 10
#define YAHOO_SERVICE_NEWMAIL 11
#define YAHOO_SERVICE_CHATINVITE 12
#define YAHOO_SERVICE_CALENDAR 13
#define YAHOO_SERVICE_NEWPERSONALMAIL 14
#define YAHOO_SERVICE_NEWCONTACT 15
#define YAHOO_SERVICE_ADDIDENT 16
#define YAHOO_SERVICE_ADDIGNORE 17
#define YAHOO_SERVICE_PING 18
#define YAHOO_SERVICE_GROUPRENAME 19
#define YAHOO_SERVICE_SYSMESSAGE 20
#define YAHOO_SERVICE_PASSTHROUGH2 22
#define YAHOO_SERVICE_CONFINVITE 24
#define YAHOO_SERVICE_CONFLOGON 25
#define YAHOO_SERVICE_CONFDECLINE 26
#define YAHOO_SERVICE_CONFLOGOFF 27
#define YAHOO_SERVICE_CONFADDINVITE 28
#define YAHOO_SERVICE_CONFMSG 29
#define YAHOO_SERVICE_CHATLOGON 30
#define YAHOO_SERVICE_CHATLOGOFF 31
#define YAHOO_SERVICE_CHATMSG 32
#define YAHOO_SERVICE_FILETRANSFER 70
#define YAHOO_SERVICE_CHATADDINVITE 157
#define YAHOO_SERVICE_AVATAR 188
#define YAHOO_SERVICE_PICTURE_CHECKSUM 189
#define YAHOO_SERVICE_PICTURE 190
#define YAHOO_SERVICE_PICTURE_UPDATE 193
#define YAHOO_SERVICE_PICTURE_UPLOAD 194
#define YAHOO_SERVICE_YAHOO6_STATUS_UPDATE 198
#define YAHOO_SERVICE_AVATAR_UPDATE 199
#define YAHOO_SERVICE_AUDIBLE 208
#define YAHOO_SERVICE_WEBLOGIN 550
#define YAHOO_SERVICE_SMS_MSG 746
/* Message flags */
#define YAHOO_MSGTYPE_NONE 0
#define YAHOO_MSGTYPE_NORMAL 1
#define YAHOO_MSGTYPE_BOUNCE 2
#define YAHOO_MSGTYPE_STATUS 4
#define YAHOO_MSGTYPE_OFFLINE 1515563606 /* yuck! */
#define YAHOO_RAWPACKET_LEN 105
#if 0
struct yahoo_rawpacket
{
char version[8]; /* 7 chars and trailing null */
unsigned char len[4]; /* length - little endian */
unsigned char service[4]; /* service - little endian */
unsigned char connection_id[4]; /* connection number - little endian */
unsigned char magic_id[4]; /* magic number used for http session */
unsigned char unknown1[4];
unsigned char msgtype[4];
char nick1[36];
char nick2[36];
char content[1]; /* was zero, had problems with aix xlc */
};
#endif
static const value_string yhoo_service_vals[] = {
{YAHOO_SERVICE_LOGON, "Pager Logon"},
{YAHOO_SERVICE_LOGOFF, "Pager Logoff"},
{YAHOO_SERVICE_ISAWAY, "Is Away"},
{YAHOO_SERVICE_ISBACK, "Is Back"},
{YAHOO_SERVICE_IDLE, "Idle"},
{YAHOO_SERVICE_MESSAGE, "Message"},
{YAHOO_SERVICE_IDACT, "Activate Identity"},
{YAHOO_SERVICE_IDDEACT, "Deactivate Identity"},
{YAHOO_SERVICE_MAILSTAT, "Mail Status"},
{YAHOO_SERVICE_USERSTAT, "User Status"},
{YAHOO_SERVICE_NEWMAIL, "New Mail"},
{YAHOO_SERVICE_CHATINVITE, "Chat Invitation"},
{YAHOO_SERVICE_CALENDAR, "Calendar Reminder"},
{YAHOO_SERVICE_NEWPERSONALMAIL, "New Personals Mail"},
{YAHOO_SERVICE_NEWCONTACT, "New Friend"},
{YAHOO_SERVICE_GROUPRENAME, "Group Renamed"},
{YAHOO_SERVICE_ADDIDENT, "Add Identity"},
{YAHOO_SERVICE_ADDIGNORE, "Add Ignore"},
{YAHOO_SERVICE_PING, "Ping"},
{YAHOO_SERVICE_SYSMESSAGE, "System Message"},
{YAHOO_SERVICE_CONFINVITE, "Conference Invitation"},
{YAHOO_SERVICE_CONFLOGON, "Conference Logon"},
{YAHOO_SERVICE_CONFDECLINE, "Conference Decline"},
{YAHOO_SERVICE_CONFLOGOFF, "Conference Logoff"},
{YAHOO_SERVICE_CONFMSG, "Conference Message"},
{YAHOO_SERVICE_CONFADDINVITE, "Conference Additional Invitation"},
{YAHOO_SERVICE_CHATLOGON, "Chat Logon"},
{YAHOO_SERVICE_CHATLOGOFF, "Chat Logoff"},
{YAHOO_SERVICE_CHATMSG, "Chat Message"},
{YAHOO_SERVICE_FILETRANSFER, "File Transfer"},
{YAHOO_SERVICE_PASSTHROUGH2, "Passthrough 2"},
{YAHOO_SERVICE_CHATADDINVITE, "Chat add Invite"},
{YAHOO_SERVICE_AVATAR, "Avatar"},
{YAHOO_SERVICE_PICTURE_CHECKSUM, "Picture Checksum"},
{YAHOO_SERVICE_PICTURE, "Picture"},
{YAHOO_SERVICE_PICTURE_UPDATE, "Picture Update"},
{YAHOO_SERVICE_PICTURE_UPLOAD, "Picture Upload"},
{YAHOO_SERVICE_YAHOO6_STATUS_UPDATE, "Status update"},
{YAHOO_SERVICE_AUDIBLE, "Audible"},
{YAHOO_SERVICE_WEBLOGIN, "Weblogin"},
{YAHOO_SERVICE_SMS_MSG, "SMS Message"},
{0, NULL}
};
static const value_string yhoo_msgtype_vals[] = {
{YAHOO_MSGTYPE_NONE, "None"},
{YAHOO_MSGTYPE_NORMAL, "Normal"},
{YAHOO_MSGTYPE_BOUNCE, "Bounce"},
{YAHOO_MSGTYPE_STATUS, "Status Update"},
{YAHOO_MSGTYPE_OFFLINE, "Request Offline"},
{0, NULL}
};
static gboolean
dissect_yhoo(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
proto_tree *yhoo_tree, *ti;
int offset = 0;
if (pinfo->srcport != TCP_PORT_YHOO && pinfo->destport != TCP_PORT_YHOO) {
/* Not the Yahoo port - not a Yahoo Messenger packet. */
return FALSE;
}
/* get at least a full packet structure */
if ( tvb_captured_length(tvb) < YAHOO_RAWPACKET_LEN ) {
/* Not enough data captured; maybe it is a Yahoo
Messenger packet, but it contains too little data to
tell. */
return FALSE;
}
if (tvb_memeql(tvb, offset, (const guint8*)"YPNS", 4) != 0 &&
tvb_memeql(tvb, offset, (const guint8*)"YHOO", 4) != 0) {
/* Not a Yahoo Messenger packet. */
return FALSE;
}
col_set_str(pinfo->cinfo, COL_PROTOCOL, "YHOO");
col_add_fstr(pinfo->cinfo, COL_INFO, "%s: %s",
( tvb_memeql(tvb, offset + 0, (const guint8*)"YPNS", 4) == 0 ) ? "Request" : "Response",
val_to_str(tvb_get_letohl(tvb, offset + 12),
yhoo_service_vals, "Unknown Service: %u"));
if (tree) {
ti = proto_tree_add_item(tree, proto_yhoo, tvb,
offset, -1, ENC_NA);
yhoo_tree = proto_item_add_subtree(ti, ett_yhoo);
proto_tree_add_item(yhoo_tree, hf_yhoo_version, tvb,
offset, 8, ENC_ASCII);
offset += 8;
proto_tree_add_item(yhoo_tree, hf_yhoo_len, tvb,
offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(yhoo_tree, hf_yhoo_service, tvb,
offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(yhoo_tree, hf_yhoo_connection_id, tvb,
offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(yhoo_tree, hf_yhoo_magic_id, tvb,
offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(yhoo_tree, hf_yhoo_unknown1, tvb,
offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(yhoo_tree, hf_yhoo_msgtype, tvb,
offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(yhoo_tree, hf_yhoo_nick1, tvb,
offset, 36, ENC_ASCII);
offset += 36;
proto_tree_add_item(yhoo_tree, hf_yhoo_nick2, tvb,
offset, 36, ENC_ASCII);
offset += 36;
proto_tree_add_item(yhoo_tree, hf_yhoo_content, tvb, -1,
offset, ENC_ASCII);
}
return TRUE;
}
void
proto_register_yhoo(void)
{
static hf_register_info hf[] = {
{ &hf_yhoo_service, {
"Service Type", "yhoo.service", FT_UINT32, BASE_DEC,
VALS(yhoo_service_vals), 0, NULL, HFILL }},
{ &hf_yhoo_msgtype, {
"Message Type", "yhoo.msgtype", FT_UINT32, BASE_DEC,
VALS(yhoo_msgtype_vals), 0, "Message Type Flags", HFILL }},
{ &hf_yhoo_connection_id, {
"Connection ID", "yhoo.connection_id", FT_UINT32, BASE_HEX,
NULL, 0, NULL, HFILL }},
{ &hf_yhoo_magic_id, {
"Magic ID", "yhoo.magic_id", FT_UINT32, BASE_HEX,
NULL, 0, NULL, HFILL }},
{ &hf_yhoo_unknown1, {
"Unknown 1", "yhoo.unknown1", FT_UINT32, BASE_HEX,
NULL, 0, NULL, HFILL }},
{ &hf_yhoo_len, {
"Packet Length", "yhoo.len", FT_UINT32, BASE_DEC,
NULL, 0, NULL, HFILL }},
{ &hf_yhoo_nick1, {
"Real Nick (nick1)", "yhoo.nick1", FT_STRING, BASE_NONE,
NULL, 0, NULL, HFILL }},
{ &hf_yhoo_nick2, {
"Active Nick (nick2)", "yhoo.nick2", FT_STRING, BASE_NONE,
NULL, 0, NULL, HFILL }},
{ &hf_yhoo_content, {
"Content", "yhoo.content", FT_STRING, BASE_NONE,
NULL, 0, "Data portion of the packet", HFILL }},
{ &hf_yhoo_version, {
"Version", "yhoo.version", FT_STRING, BASE_NONE,
NULL, 0, "Packet version identifier", HFILL }},
};
static gint *ett[] = {
&ett_yhoo,
};
proto_yhoo = proto_register_protocol("Yahoo Messenger Protocol",
"YHOO", "yhoo");
proto_register_field_array(proto_yhoo, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
void
proto_reg_handoff_yhoo(void)
{
/*
* DO NOT register for port 5050, as that's used by the
* old and new Yahoo messenger protocols.
*
* Just register as a heuristic TCP dissector, and reject stuff
* not to or from that port.
*/
heur_dissector_add("tcp", dissect_yhoo, "Yahoo Messenger over TCP", "yhoo_tcp", proto_yhoo, HEURISTIC_ENABLE);
}
/*
* Editor modelines - https://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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