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wireshark/epan/dissectors/packet-ymsg.c

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/* packet-ymsg.c
* Routines for Yahoo Messenger YMSG protocol packet version 13 dissection
* Copyright 2003, Wayne Parrott <wayne_p@pacific.net.au>
* Copied from packet-yhoo.c and updated
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <epan/packet.h>
#include "packet-tcp.h"
#include <epan/prefs.h>
void proto_register_ymsg(void);
void proto_reg_handoff_ymsg(void);
static int proto_ymsg = -1;
static int hf_ymsg_version = -1;
static int hf_ymsg_vendor = -1;
static int hf_ymsg_len = -1;
static int hf_ymsg_service = -1;
static int hf_ymsg_status = -1;
static int hf_ymsg_session_id = -1;
static int hf_ymsg_content = -1;
static int hf_ymsg_content_line = -1;
static int hf_ymsg_content_line_key = -1;
static int hf_ymsg_content_line_value = -1;
static gint ett_ymsg = -1;
static gint ett_ymsg_content = -1;
static gint ett_ymsg_content_line = -1;
#define TCP_PORT_YMSG 23 /* XXX - this is Telnet! */
#define TCP_PORT_YMSG_2 25 /* And this is SMTP! */
#define TCP_PORT_YMSG_3 5050 /* This, however, is regular Yahoo Messenger */
/* desegmentation of YMSG over TCP */
static gboolean ymsg_desegment = TRUE;
/*
* This is from yahoolib2.c from libyahoo2.
*
* See also
*
* http://libyahoo2.sourceforge.net/ymsg-9.txt
*
* and
*
* http://www.venkydude.com/articles/yahoo.htm
*
* and
*
* http://www.cse.iitb.ac.in/~varunk/YahooProtocol.htm
*
* and
*
* http://www.geocrawler.com/archives/3/4893/2002/1/0/7459037/
*
* and
*
* http://www.geocities.com/ziggycubbe/ym.html
*/
/* Service constants */
enum yahoo_service { /* these are easier to see in hex */
YAHOO_SERVICE_LOGON = 1,
YAHOO_SERVICE_LOGOFF,
YAHOO_SERVICE_ISAWAY,
YAHOO_SERVICE_ISBACK,
YAHOO_SERVICE_IDLE, /* 5 (placemarker) */
YAHOO_SERVICE_MESSAGE,
YAHOO_SERVICE_IDACT,
YAHOO_SERVICE_IDDEACT,
YAHOO_SERVICE_MAILSTAT,
YAHOO_SERVICE_USERSTAT, /* 0xa */
YAHOO_SERVICE_NEWMAIL,
YAHOO_SERVICE_CHATINVITE,
YAHOO_SERVICE_CALENDAR,
YAHOO_SERVICE_NEWPERSONALMAIL,
YAHOO_SERVICE_NEWCONTACT,
YAHOO_SERVICE_ADDIDENT, /* 0x10 */
YAHOO_SERVICE_ADDIGNORE,
YAHOO_SERVICE_PING,
YAHOO_SERVICE_GOTGROUPRENAME, /* < 1, 36(old), 37(new) */
YAHOO_SERVICE_SYSMESSAGE = 0x14,
YAHOO_SERVICE_SKINNAME = 0x15,
YAHOO_SERVICE_PASSTHROUGH2 = 0x16,
YAHOO_SERVICE_CONFINVITE = 0x18,
YAHOO_SERVICE_CONFLOGON,
YAHOO_SERVICE_CONFDECLINE,
YAHOO_SERVICE_CONFLOGOFF,
YAHOO_SERVICE_CONFADDINVITE,
YAHOO_SERVICE_CONFMSG,
YAHOO_SERVICE_CHATLOGON,
YAHOO_SERVICE_CHATLOGOFF,
YAHOO_SERVICE_CHATMSG = 0x20,
YAHOO_SERVICE_GAMELOGON = 0x28,
YAHOO_SERVICE_GAMELOGOFF,
YAHOO_SERVICE_GAMEMSG = 0x2a,
YAHOO_SERVICE_FILETRANSFER = 0x46,
YAHOO_SERVICE_VOICECHAT = 0x4A,
YAHOO_SERVICE_NOTIFY,
YAHOO_SERVICE_VERIFY,
YAHOO_SERVICE_P2PFILEXFER,
YAHOO_SERVICE_PEERTOPEER = 0x4F, /* Checks if P2P possible */
YAHOO_SERVICE_WEBCAM,
YAHOO_SERVICE_AUTHRESP = 0x54,
YAHOO_SERVICE_LIST,
YAHOO_SERVICE_AUTH = 0x57,
YAHOO_SERVICE_AUTHBUDDY = 0x6d,
YAHOO_SERVICE_ADDBUDDY = 0x83,
YAHOO_SERVICE_REMBUDDY,
YAHOO_SERVICE_IGNORECONTACT, /* > 1, 7, 13 < 1, 66, 13, 0*/
YAHOO_SERVICE_REJECTCONTACT,
YAHOO_SERVICE_GROUPRENAME = 0x89, /* > 1, 65(new), 66(0), 67(old) */
YAHOO_SERVICE_KEEPALIVE = 0x8a,
YAHOO_SERVICE_CHATONLINE = 0x96, /* > 109(id), 1, 6(abcde) < 0,1*/
YAHOO_SERVICE_CHATGOTO,
YAHOO_SERVICE_CHATJOIN, /* > 1 104-room 129-1600326591 62-2 */
YAHOO_SERVICE_CHATLEAVE,
YAHOO_SERVICE_CHATEXIT = 0x9b,
YAHOO_SERVICE_CHATADDINVITE = 0x9d,
YAHOO_SERVICE_CHATLOGOUT = 0xa0,
YAHOO_SERVICE_CHATPING,
YAHOO_SERVICE_COMMENT = 0xa8,
YAHOO_SERVICE_GAME_INVITE = 0xb7,
YAHOO_SERVICE_STEALTH_PERM = 0xb9,
YAHOO_SERVICE_STEALTH_SESSION = 0xba,
YAHOO_SERVICE_AVATAR = 0xbc,
YAHOO_SERVICE_PICTURE_CHECKSUM = 0xbd,
YAHOO_SERVICE_PICTURE = 0xbe,
YAHOO_SERVICE_PICTURE_UPDATE = 0xc1,
YAHOO_SERVICE_PICTURE_UPLOAD = 0xc2,
YAHOO_SERVICE_YAB_UPDATE = 0xc4,
YAHOO_SERVICE_Y6_VISIBLE_TOGGLE = 0xc5, /* YMSG13, key 13: 2 = invisible, 1 = visible */
YAHOO_SERVICE_Y6_STATUS_UPDATE = 0xc6, /* YMSG13 */
YAHOO_SERVICE_PICTURE_STATUS = 0xc7, /* YMSG13, key 213: 0 = none, 1 = avatar, 2 = picture */
YAHOO_SERVICE_VERIFY_ID_EXISTS = 0xc8,
YAHOO_SERVICE_AUDIBLE = 0xd0,
YAHOO_SERVICE_Y7_PHOTO_SHARING = 0xd2,
YAHOO_SERVICE_Y7_CONTACT_DETAILS = 0xd3, /* YMSG13 */
YAHOO_SERVICE_Y7_CHAT_SESSION = 0xd4,
YAHOO_SERVICE_Y7_AUTHORIZATION = 0xd6, /* YMSG13 */
YAHOO_SERVICE_Y7_FILETRANSFER = 0xdc, /* YMSG13 */
YAHOO_SERVICE_Y7_FILETRANSFERINFO, /* YMSG13 */
YAHOO_SERVICE_Y7_FILETRANSFERACCEPT, /* YMSG13 */
YAHOO_SERVICE_Y7_MINGLE = 0xe1, /* YMSG13 */
YAHOO_SERVICE_Y7_CHANGE_GROUP = 0xe7, /* YMSG13 */
YAHOO_SERVICE_STATUS_15 = 0xf0,
YAHOO_SERVICE_LIST_15 = 0xf1,
YAHOO_SERVICE_WEBLOGIN = 0x0226,
YAHOO_SERVICE_SMS_MSG = 0x02ea
};
/* Message flags */
enum yahoo_status {
YAHOO_STATUS_AVAILABLE = 0,
YAHOO_STATUS_BRB,
YAHOO_STATUS_BUSY,
YAHOO_STATUS_NOTATHOME,
YAHOO_STATUS_NOTATDESK,
YAHOO_STATUS_NOTINOFFICE,
YAHOO_STATUS_ONPHONE,
YAHOO_STATUS_ONVACATION,
YAHOO_STATUS_OUTTOLUNCH,
YAHOO_STATUS_STEPPEDOUT,
YAHOO_STATUS_INVISIBLE = 12,
YAHOO_STATUS_CUSTOM = 99,
YAHOO_STATUS_IDLE = 999,
YAHOO_STATUS_WEBLOGIN = 0x5a55aa55,
YAHOO_STATUS_OFFLINE = 0x5a55aa56, /* don't ask */
YAHOO_STATUS_TYPING = 0x16,
YAHOO_STATUS_DISCONNECTED = -1 /* in ymsg 15. doesn't mean the normal sense of 'disconnected' */
};
enum ypacket_status {
YPACKET_STATUS_DISCONNECTED = -1,
YPACKET_STATUS_DEFAULT = 0,
YPACKET_STATUS_SERVERACK = 1,
YPACKET_STATUS_GAME = 0x2,
YPACKET_STATUS_AWAY = 0x4,
YPACKET_STATUS_CONTINUED = 0x5,
YPACKET_STATUS_INVISIBLE = 12,
YPACKET_STATUS_NOTIFY = 0x16, /* TYPING */
YPACKET_STATUS_WEBLOGIN = 0x5a55aa55,
YPACKET_STATUS_OFFLINE = 0x5a55aa56
};
/* The size of the below struct minus 6 bytes of content */
#define YAHOO_HEADER_SIZE 20
#if 0
struct yahoo_rawpacket
{
char ymsg[4]; /* Packet identification string (YMSG) */
unsigned char version[2]; /* 2 bytes, little endian */
unsigned char vendor[2]; /* 2 bytes, little endian */
unsigned char len[2]; /* length - little endian */
unsigned char service[2]; /* service - little endian */
unsigned char status[4]; /* Status - online, away etc.*/
unsigned char session_id[4]; /* Session ID */
char content[6]; /* 6 is the minimum size of the content */
};
#endif
static const value_string ymsg_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_ADDIDENT, "Add Identity"},
{YAHOO_SERVICE_ADDIGNORE, "Add Ignore"},
{YAHOO_SERVICE_PING, "Ping"},
{YAHOO_SERVICE_GOTGROUPRENAME, "Got Group Rename"},
{YAHOO_SERVICE_SYSMESSAGE, "System Message"},
{YAHOO_SERVICE_SKINNAME, "Skinname"},
{YAHOO_SERVICE_PASSTHROUGH2, "Passthrough 2"},
{YAHOO_SERVICE_CONFINVITE, "Conference Invitation"},
{YAHOO_SERVICE_CONFLOGON, "Conference Logon"},
{YAHOO_SERVICE_CONFDECLINE, "Conference Decline"},
{YAHOO_SERVICE_CONFLOGOFF, "Conference Logoff"},
{YAHOO_SERVICE_CONFADDINVITE, "Conference Additional Invitation"},
{YAHOO_SERVICE_CONFMSG, "Conference Message"},
{YAHOO_SERVICE_CHATLOGON, "Chat Logon"},
{YAHOO_SERVICE_CHATLOGOFF, "Chat Logoff"},
{YAHOO_SERVICE_CHATMSG, "Chat Message"},
{YAHOO_SERVICE_GAMELOGON, "Game Logon"},
{YAHOO_SERVICE_GAMELOGOFF, "Game Logoff"},
{YAHOO_SERVICE_GAMEMSG, "Game Message"},
{YAHOO_SERVICE_FILETRANSFER, "File Transfer"},
{YAHOO_SERVICE_VOICECHAT, "Voice Chat"},
{YAHOO_SERVICE_NOTIFY, "Notify"},
{YAHOO_SERVICE_VERIFY, "Verify"},
{YAHOO_SERVICE_P2PFILEXFER, "P2P File Transfer"},
{YAHOO_SERVICE_PEERTOPEER, "Peer To Peer"},
{YAHOO_SERVICE_WEBCAM, "WebCam"},
{YAHOO_SERVICE_AUTHRESP, "Authentication Response"},
{YAHOO_SERVICE_LIST, "List"},
{YAHOO_SERVICE_AUTH, "Authentication"},
{YAHOO_SERVICE_AUTHBUDDY, "Authorize Buddy"},
{YAHOO_SERVICE_ADDBUDDY, "Add Buddy"},
{YAHOO_SERVICE_REMBUDDY, "Remove Buddy"},
{YAHOO_SERVICE_IGNORECONTACT, "Ignore Contact"},
{YAHOO_SERVICE_REJECTCONTACT, "Reject Contact"},
{YAHOO_SERVICE_GROUPRENAME, "Group Rename"},
{YAHOO_SERVICE_KEEPALIVE, "Keep Alive"},
{YAHOO_SERVICE_CHATONLINE, "Chat Online"},
{YAHOO_SERVICE_CHATGOTO, "Chat Goto"},
{YAHOO_SERVICE_CHATJOIN, "Chat Join"},
{YAHOO_SERVICE_CHATLEAVE, "Chat Leave"},
{YAHOO_SERVICE_CHATEXIT, "Chat Exit"},
{YAHOO_SERVICE_CHATADDINVITE, "Chat Invite"},
{YAHOO_SERVICE_CHATLOGOUT, "Chat Logout"},
{YAHOO_SERVICE_CHATPING, "Chat Ping"},
{YAHOO_SERVICE_COMMENT, "Comment"},
{YAHOO_SERVICE_GAME_INVITE, "Game Invite"},
{YAHOO_SERVICE_STEALTH_PERM, "Stealth Permanent"},
{YAHOO_SERVICE_STEALTH_SESSION, "Stealth Session"},
{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_YAB_UPDATE, "Yahoo Address Book Update"},
{YAHOO_SERVICE_Y6_VISIBLE_TOGGLE, "Y6 Visibility Toggle"},
{YAHOO_SERVICE_Y6_STATUS_UPDATE, "Y6 Status Update"},
{YAHOO_SERVICE_PICTURE_STATUS, "Picture Sharing Status"},
{YAHOO_SERVICE_VERIFY_ID_EXISTS, "Verify ID Exists"},
{YAHOO_SERVICE_AUDIBLE, "Audible"},
{YAHOO_SERVICE_Y7_CONTACT_DETAILS, "Y7 Contact Details"},
{YAHOO_SERVICE_Y7_CHAT_SESSION, "Y7 Chat Session"},
{YAHOO_SERVICE_Y7_AUTHORIZATION, "Y7 Buddy Authorization"},
{YAHOO_SERVICE_Y7_FILETRANSFER, "Y7 File Transfer"},
{YAHOO_SERVICE_Y7_FILETRANSFERINFO, "Y7 File Transfer Information"},
{YAHOO_SERVICE_Y7_FILETRANSFERACCEPT, "Y7 File Transfer Accept"},
{YAHOO_SERVICE_Y7_CHANGE_GROUP, "Y7 Change Group"},
{YAHOO_SERVICE_STATUS_15, "Status V15"},
{YAHOO_SERVICE_LIST_15, "List V15"},
{YAHOO_SERVICE_WEBLOGIN, "WebLogin"},
{YAHOO_SERVICE_SMS_MSG, "SMS Message"},
{0, NULL}
};
static const value_string ymsg_status_vals[] = {
{YPACKET_STATUS_DISCONNECTED, "Disconnected"},
{YPACKET_STATUS_DEFAULT, "Default"},
{YPACKET_STATUS_SERVERACK, "Server Ack"},
{YPACKET_STATUS_GAME, "Playing Game"},
{YPACKET_STATUS_AWAY, "Away"},
{YPACKET_STATUS_CONTINUED, "More Packets??"},
{YPACKET_STATUS_NOTIFY, "Notify"},
{YPACKET_STATUS_WEBLOGIN, "Web Login"},
{YPACKET_STATUS_OFFLINE, "Offline"},
{0, NULL}
};
/* Find the end of the current content line and return its length */
static int get_content_item_length(tvbuff_t *tvb, int offset)
{
int origoffset = offset;
/* Keep reading until the magic delimiter (or end of tvb) is found */
while (tvb_captured_length_remaining(tvb, offset) >= 2) {
if (tvb_get_ntohs(tvb, offset) == 0xc080) {
break;
}
offset += 1;
}
return offset - origoffset;
}
static guint
get_ymsg_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset, void *data _U_)
{
guint plen;
/*
* Get the length of the YMSG packet.
*/
plen = tvb_get_ntohs(tvb, offset + 8);
/*
* That length doesn't include the length of the header itself; add that in.
*/
return plen + YAHOO_HEADER_SIZE;
}
static int
dissect_ymsg_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
proto_tree *ymsg_tree, *ti;
proto_item *content_item;
proto_tree *content_tree;
char *keybuf;
char *valbuf;
int keylen;
int vallen;
int content_len;
int offset = 0;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "YMSG");
col_add_fstr(pinfo->cinfo, COL_INFO,
"%s (status=%s) ",
val_to_str(tvb_get_ntohs(tvb, offset + 10),
ymsg_service_vals, "Unknown Service: %u"),
val_to_str(tvb_get_ntohl(tvb, offset + 12),
ymsg_status_vals, "Unknown Status: %u")
);
if (tree) {
ti = proto_tree_add_item(tree, proto_ymsg, tvb, offset, -1, ENC_NA);
ymsg_tree = proto_item_add_subtree(ti, ett_ymsg);
offset += 4; /* skip the YMSG string */
/* Version */
proto_tree_add_item(ymsg_tree, hf_ymsg_version, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
/* Vendor ID */
proto_tree_add_item(ymsg_tree, hf_ymsg_vendor, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
/* Length */
content_len = tvb_get_ntohs(tvb, offset);
proto_tree_add_item(ymsg_tree, hf_ymsg_len, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
/* Service */
proto_item_append_text(ti, " (%s)",
val_to_str_const(tvb_get_ntohs(tvb, offset),
ymsg_service_vals,
"Unknown"));
proto_tree_add_item(ymsg_tree, hf_ymsg_service, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
/* Status */
proto_tree_add_item(ymsg_tree, hf_ymsg_status, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Session id */
proto_tree_add_item(ymsg_tree, hf_ymsg_session_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
/* Contents */
if (content_len) {
/* Create content subtree */
content_item = proto_tree_add_item(ymsg_tree, hf_ymsg_content, tvb,
offset, -1, ENC_NA);
content_tree = proto_item_add_subtree(content_item, ett_ymsg_content);
/* Each entry consists of:
<key string> <delimiter> <value string> <delimiter>
*/
/* Parse and show each line of the contents */
for (;;)
{
proto_item *ti_2;
proto_tree *content_line_tree;
/* Don't continue unless there is room for another whole item.
(including 2 2-byte delimiters */
if (offset >= (YAHOO_HEADER_SIZE+content_len-4))
{
break;
}
/* Get the length of the key */
keylen = get_content_item_length(tvb, offset);
/* Extract the key */
keybuf = tvb_format_text(pinfo->pool, tvb, offset, keylen);
/* Get the length of the value */
vallen = get_content_item_length(tvb, offset+keylen+2);
/* Extract the value */
valbuf = tvb_format_text(pinfo->pool, tvb, offset+keylen+2, vallen);
/* Add a text item with the key... */
ti_2 = proto_tree_add_string_format(content_tree, hf_ymsg_content_line, tvb,
offset, keylen+2+vallen+2,
"", "%s:%s", keybuf, valbuf);
content_line_tree = proto_item_add_subtree(ti_2, ett_ymsg_content_line);
/* And add the key and value separately inside */
proto_tree_add_item(content_line_tree, hf_ymsg_content_line_key, tvb,
offset, keylen, ENC_ASCII);
proto_tree_add_item(content_line_tree, hf_ymsg_content_line_value, tvb,
offset+keylen+2, vallen, ENC_ASCII);
/* Move beyone key and value lines */
offset += keylen+2+vallen+2;
}
}
}
col_set_fence(pinfo->cinfo, COL_INFO);
return tvb_captured_length(tvb);
}
static gboolean
dissect_ymsg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
if (tvb_captured_length(tvb) < 4) {
return FALSE;
}
if (tvb_memeql(tvb, 0, (const guint8*)"YMSG", 4) == -1) {
/* Not a Yahoo Messenger packet. */
return FALSE;
}
tcp_dissect_pdus(tvb, pinfo, tree, ymsg_desegment, 10, get_ymsg_pdu_len,
dissect_ymsg_pdu, data);
return TRUE;
}
void
proto_register_ymsg(void)
{
static hf_register_info hf[] = {
{ &hf_ymsg_version, {
"Version", "ymsg.version", FT_UINT16, BASE_DEC,
NULL, 0, "Packet version identifier", HFILL }},
{ &hf_ymsg_vendor, {
"Vendor ID", "ymsg.vendor", FT_UINT16, BASE_DEC,
NULL, 0, "Vendor identifier", HFILL }},
{ &hf_ymsg_len, {
"Packet Length", "ymsg.len", FT_UINT16, BASE_DEC,
NULL, 0, NULL, HFILL }},
{ &hf_ymsg_service, {
"Service", "ymsg.service", FT_UINT16, BASE_DEC,
VALS(ymsg_service_vals), 0, "Service Type", HFILL }},
{ &hf_ymsg_status, {
"Status", "ymsg.status", FT_UINT32, BASE_DEC,
VALS(ymsg_status_vals), 0, "Message Type Flags", HFILL }},
{ &hf_ymsg_session_id, {
"Session ID", "ymsg.session_id", FT_UINT32, BASE_HEX,
NULL, 0, "Connection ID", HFILL }},
{ &hf_ymsg_content, {
"Content", "ymsg.content", FT_BYTES, BASE_NONE,
NULL, 0, "Data portion of the packet", HFILL }},
{ &hf_ymsg_content_line, {
"Content-line", "ymsg.content-line", FT_STRING, BASE_NONE,
NULL, 0, "Content line", HFILL }},
{ &hf_ymsg_content_line_key, {
"Key", "ymsg.content-line.key", FT_STRING, BASE_NONE,
NULL, 0, "Content line key", HFILL }},
{ &hf_ymsg_content_line_value, {
"Value", "ymsg.content-line.value", FT_STRING, BASE_NONE,
NULL, 0, "Content line value", HFILL }}
};
static gint *ett[] = {
&ett_ymsg,
&ett_ymsg_content,
&ett_ymsg_content_line
};
module_t *ymsg_module;
proto_ymsg = proto_register_protocol("Yahoo YMSG Messenger Protocol",
"YMSG", "ymsg");
proto_register_field_array(proto_ymsg, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
ymsg_module = prefs_register_protocol(proto_ymsg, NULL);
prefs_register_bool_preference(ymsg_module, "desegment",
"Reassemble YMSG messages spanning multiple TCP segments",
"Whether the YMSG 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.",
&ymsg_desegment);
}
void
proto_reg_handoff_ymsg(void)
{
/*
* DO NOT register for port 23, as that's Telnet, or for port
* 25, as that's SMTP.
*
* Also, 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
* that doesn't begin with a YMSG signature.
*/
heur_dissector_add("tcp", dissect_ymsg, "Yahoo YMSG Messenger over TCP", "ymsg_tcp", proto_ymsg, 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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