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|
// ---------------------------------------------------------------------------80
// ICQ plugin for Miranda Instant Messenger
// ________________________________________
//
// Copyright © 2000,2001 Richard Hughes, Roland Rabien, Tristan Van de Vreede
// Copyright © 2001,2002 Jon Keating, Richard Hughes
// Copyright © 2002,2003,2004 Martin berg, Sam Kothari, Robert Rainwater
// Copyright © 2004,2005,2006 Joe Kucera
//
// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// -----------------------------------------------------------------------------
//
// File name : $Source: /cvsroot/miranda/miranda/protocols/IcqOscarJ/fam_03buddy.c,v $
// Revision : $Revision: 2874 $
// Last change on : $Date: 2006-05-16 23:38:00 +0200 (Tue, 16 May 2006) $
// Last change by : $Author: ghazan $
//
// DESCRIPTION:
//
// Handles packets from Buddy family
//
// -----------------------------------------------------------------------------
#include "icqoscar.h"
static void handleUserOffline(BYTE* buf, WORD wPackLen);
static void handleUserOnline(BYTE* buf, WORD wPackLen);
static void handleReplyBuddy(BYTE* buf, WORD wPackLen);
static void handleNotifyRejected(BYTE* buf, WORD wPackLen);
extern DWORD dwLocalDirectConnCookie;
extern const capstr capAimIcon;
extern const char* cliSpamBot;
extern char* detectUserClient(HANDLE hContact, DWORD dwUin, WORD wVersion, DWORD dwFT1, DWORD dwFT2, DWORD dwFT3, DWORD dwOnlineSince, DWORD dwDirectCookie, DWORD dwWebPort, BYTE* caps, WORD wLen, BYTE* bClientId, char* szClientBuf);
void handleBuddyFam(unsigned char* pBuffer, WORD wBufferLength, snac_header* pSnacHeader)
{
switch (pSnacHeader->wSubtype)
{
case ICQ_USER_ONLINE:
handleUserOnline(pBuffer, wBufferLength);
break;
case ICQ_USER_OFFLINE:
handleUserOffline(pBuffer, wBufferLength);
break;
case ICQ_USER_SRV_REPLYBUDDY:
handleReplyBuddy(pBuffer, wBufferLength);
break;
case ICQ_USER_NOTIFY_REJECTED:
handleNotifyRejected(pBuffer, wBufferLength);
break;
case ICQ_ERROR:
{
WORD wError;
if (wBufferLength >= 2)
unpackWord(&pBuffer, &wError);
else
wError = 0;
LogFamilyError(ICQ_BUDDY_FAMILY, wError);
break;
}
default:
NetLog_Server("Warning: Ignoring SNAC(x%02x,x%02x) - Unknown SNAC (Flags: %u, Ref: %u)", ICQ_BUDDY_FAMILY, pSnacHeader->wSubtype, pSnacHeader->wFlags, pSnacHeader->dwRef);
break;
}
}
// TLV(1) Unknown (x50)
// TLV(2) Member since (not sent)
// TLV(3) Online since
// TLV(4) Idle time (not sent)
// TLV(6) New status
// TLV(A) External IP
// TLV(C) DC Info
// TLV(D) Capabilities
// TLV(F) Session timer (in seconds)
// TLV(1D) Avatar Hash (20 bytes)
static void handleUserOnline(BYTE* buf, WORD wLen)
{
HANDLE hContact;
DWORD dwPort;
DWORD dwRealIP;
DWORD dwIP;
DWORD dwUIN;
uid_str szUID;
DWORD dwDirectConnCookie;
DWORD dwWebPort;
DWORD dwFT1, dwFT2, dwFT3;
LPSTR szClient = 0;
BYTE bClientId = 0;
WORD wVersion = 0;
WORD wTLVCount;
WORD wWarningLevel;
WORD wStatusFlags;
WORD wStatus;
BYTE nTCPFlag;
DWORD dwOnlineSince;
WORD wIdleTimer = 0;
time_t tIdleTS = 0;
char szStrBuf[MAX_PATH];
// Unpack the sender's user ID
if (!unpackUID(&buf, &wLen, &dwUIN, &szUID)) return;
// Syntax check
if (wLen < 4)
return;
// Warning level?
unpackWord(&buf, &wWarningLevel);
wLen -= 2;
// TLV count
unpackWord(&buf, &wTLVCount);
wLen -= 2;
// Determine contact
hContact = HContactFromUID(dwUIN, szUID, NULL);
// Ignore status notification if the user is not already on our list
if (hContact == INVALID_HANDLE_VALUE)
{
#ifdef _DEBUG
NetLog_Server("Ignoring user online (%s)", strUID(dwUIN, szUID));
#endif
return;
}
// Read user info TLVs
{
oscar_tlv_chain* pChain;
oscar_tlv* pTLV;
// Syntax check
if (wLen < 4)
return;
// Get chain
if (!(pChain = readIntoTLVChain(&buf, wLen, wTLVCount)))
return;
if (dwUIN)
{
// Get DC info TLV
pTLV = getTLV(pChain, 0x0C, 1);
if (pTLV && (pTLV->wLen >= 15))
{
unsigned char* pBuffer;
pBuffer = pTLV->pData;
unpackDWord(&pBuffer, &dwRealIP);
unpackDWord(&pBuffer, &dwPort);
unpackByte(&pBuffer, &nTCPFlag);
unpackWord(&pBuffer, &wVersion);
unpackDWord(&pBuffer, &dwDirectConnCookie);
unpackDWord(&pBuffer, &dwWebPort); // Web front port
pBuffer += 4; // Client features
// Get faked time signatures, used to identify clients
if (pTLV->wLen >= 0x23)
{
unpackDWord(&pBuffer, &dwFT1);
unpackDWord(&pBuffer, &dwFT2);
unpackDWord(&pBuffer, &dwFT3);
}
else
{ // just for the case the timestamps are not there
dwFT1 = dwFT2 = dwFT3 = 0;
}
}
else
{
// This client doesnt want DCs
dwRealIP = 0;
dwPort = 0;
nTCPFlag = 0;
dwDirectConnCookie = 0;
dwWebPort = 0;
dwFT1 = dwFT2 = dwFT3 = 0;
}
// Get Status info TLV
pTLV = getTLV(pChain, 0x06, 1);
if (pTLV && (pTLV->wLen >= 4))
{
unsigned char* pBuffer;
pBuffer = pTLV->pData;
unpackWord(&pBuffer, &wStatusFlags);
unpackWord(&pBuffer, &wStatus);
}
else
{
// Huh? No status TLV? Lets guess then...
wStatusFlags = 0;
wStatus = ICQ_STATUS_ONLINE;
}
}
else
{
// Get Class word
WORD wClass = getWordFromChain(pChain, 0x01, 1);
if (wClass & CLASS_AWAY)
wStatus = ID_STATUS_AWAY;
else
wStatus = ID_STATUS_ONLINE;
wStatusFlags = 0;
dwRealIP = 0;
dwPort = 0;
nTCPFlag = 0;
dwDirectConnCookie = 0;
dwFT1 = dwFT2 = dwFT3 = 0;
}
#ifdef _DEBUG
NetLog_Server("Flags are %x", wStatusFlags);
NetLog_Server("Status is %x", wStatus);
#endif
// Get IP TLV
dwIP = getDWordFromChain(pChain, 0x0a, 1);
// Get Online Since TLV
dwOnlineSince = getDWordFromChain(pChain, 0x03, 1);
// Get Idle timer TLV
wIdleTimer = getWordFromChain(pChain, 0x04, 1);
if (wIdleTimer)
{
time(&tIdleTS);
tIdleTS -= (wIdleTimer*60);
};
#ifdef _DEBUG
if (wIdleTimer)
NetLog_Server("Idle timer is %u.", wIdleTimer);
NetLog_Server("Online since %s", asctime(localtime(&dwOnlineSince)));
#endif
// Check client capabilities
if (hContact != NULL)
{
WORD wOldStatus;
wOldStatus = ICQGetContactStatus(hContact);
// Get Avatar Hash TLV
pTLV = getTLV(pChain, 0x1D, 1);
if (pTLV)
handleAvatarContactHash(dwUIN, szUID, hContact, pTLV->pData, pTLV->wLen, wOldStatus);
else
handleAvatarContactHash(dwUIN, szUID, hContact, NULL, 0, wOldStatus);
// Update the contact's capabilities
if (wOldStatus == ID_STATUS_OFFLINE || CheckContactCapabilities(hContact, WAS_FOUND))
{
// Delete the capabilities we saved the last time this contact came online
ClearAllContactCapabilities(hContact);
{
BYTE capBufDat[0x200]; // max 0x20 caps, currently used max 0x12
BYTE* capBuf = NULL;
WORD capLen = 0;
oscar_tlv* pNewTLV;
// Get Location Capability Info TLVs
pTLV = getTLV(pChain, 0x0D, 1);
pNewTLV = getTLV(pChain, 0x19, 1);
if (pTLV && (pTLV->wLen >= 16))
capLen = pTLV->wLen;
if (pNewTLV && (pNewTLV->wLen >= 2))
capLen += (pNewTLV->wLen * 8);
if (capLen)
{
int i;
BYTE* pCap;
capBuf = pCap = capBufDat;
if (pTLV && (pTLV->wLen >= 16))
{ // copy classic Capabilities
pCap += pTLV->wLen;
memcpy(capBuf, pTLV->pData, pTLV->wLen);
}
if (pNewTLV && (pNewTLV->wLen >= 2))
{ // get new Capabilities
capstr tmp;
BYTE* capNew = pNewTLV->pData;
memcpy(tmp, capAimIcon, 0x10);
for (i = 0; i<pNewTLV->wLen; i+=2)
{
BYTE capVal;
capVal = capNew[0];
tmp[2] = capVal;
capVal = capNew[1];
tmp[3] = capVal;
capNew += 2;
memcpy(pCap, tmp, 0x10);
pCap += 0x10;
}
}
AddCapabilitiesFromBuffer(hContact, capBuf, capLen);
}
else
{ // no capability
NetLog_Server("No capability info TLVs");
}
// handle Xtraz status
handleXStatusCaps(hContact, capBuf, capLen);
szClient = detectUserClient(hContact, dwUIN, wVersion, dwFT1, dwFT2, dwFT3, dwOnlineSince, dwDirectConnCookie, dwWebPort, capBuf, capLen, &bClientId, szStrBuf);
}
#ifdef _DEBUG
if (CheckContactCapabilities(hContact, CAPF_SRV_RELAY))
NetLog_Server("Supports advanced messages");
else
NetLog_Server("Does NOT support advanced messages");
#endif
if (dwUIN && wVersion < 8)
{
ClearContactCapabilities(hContact, CAPF_SRV_RELAY);
NetLog_Server("Forcing simple messages due to compability issues");
}
}
else
{
szClient = (char*)-1; // we don't want to client be overwritten if no capabilities received
// Get Capability Info TLV
pTLV = getTLV(pChain, 0x0D, 1);
if (pTLV && (pTLV->wLen >= 16))
{
// handle Xtraz status
handleXStatusCaps(hContact, pTLV->pData, pTLV->wLen);
}
}
}
// Free TLV chain
disposeChain(&pChain);
}
// Save contacts details in database
if (hContact != NULL)
{
if (szClient == 0) szClient = ICQTranslateUtfStatic("Unknown", szStrBuf); // if no detection, set uknown
ICQWriteContactSettingDword(hContact, "LogonTS", dwOnlineSince);
if (dwUIN)
{ // on AIM these are not used
ICQWriteContactSettingDword(hContact, "IP", dwIP);
ICQWriteContactSettingDword(hContact, "RealIP", dwRealIP);
ICQWriteContactSettingDword(hContact, "DirectCookie", dwDirectConnCookie);
ICQWriteContactSettingByte(hContact, "DCType", (BYTE)nTCPFlag);
ICQWriteContactSettingWord(hContact, "UserPort", (WORD)(dwPort & 0xffff));
ICQWriteContactSettingWord(hContact, "Version", wVersion);
}
if (szClient != (char*)-1)
{
ICQWriteContactSettingUtf(hContact, "MirVer", szClient);
ICQWriteContactSettingByte(hContact, "ClientID", bClientId);
}
ICQWriteContactSettingWord(hContact, "Status", (WORD)IcqStatusToMiranda(wStatus));
if (!wIdleTimer)
{
DWORD dw = ICQGetContactSettingDword(hContact, "IdleTS", 0);
ICQWriteContactSettingDword(hContact, "OldIdleTS", dw);
}
ICQWriteContactSettingDword(hContact, "IdleTS", tIdleTS);
// Update info?
if (dwUIN && ((time(NULL) - ICQGetContactSettingDword(hContact, "InfoTS", 0)) > UPDATE_THRESHOLD))
icq_QueueUser(hContact);
}
else
{
dwLocalDirectConnCookie = dwDirectConnCookie;
}
// And a small log notice...
NetLog_Server("%s changed status to %s (v%d).", strUID(dwUIN, szUID),
MirandaStatusToString(IcqStatusToMiranda(wStatus)), wVersion);
if (szClient == cliSpamBot)
{
if (ICQGetContactSettingByte(NULL, "KillSpambots", DEFAULT_KILLSPAM_ENABLED) && DBGetContactSettingByte(hContact, "CList", "NotOnList", 0))
{ // kill spammer
icq_DequeueUser(dwUIN);
AddToSpammerList(dwUIN);
icq_sendRemoveContact(dwUIN, NULL);
if (ICQGetContactSettingByte(NULL, "PopupsSpamEnabled", DEFAULT_SPAM_POPUPS_ENABLED))
ShowPopUpMsg(hContact, "Spambot Detected", "Contact deleted & further events blocked.", POPTYPE_SPAM);
CallService(MS_DB_CONTACT_DELETE, (WPARAM)hContact, 0);
NetLog_Server("Contact %u deleted", dwUIN);
}
}
}
static void handleUserOffline(BYTE *buf, WORD wLen)
{
HANDLE hContact;
DWORD dwUIN;
uid_str szUID;
// Unpack the sender's user ID
if (!unpackUID(&buf, &wLen, &dwUIN, &szUID)) return;
hContact = HContactFromUID(dwUIN, szUID, NULL);
// Skip contacts that are not already on our list
if (hContact != INVALID_HANDLE_VALUE)
{
NetLog_Server("%s went offline.", strUID(dwUIN, szUID));
ICQWriteContactSettingWord(hContact, "Status", ID_STATUS_OFFLINE);
ICQWriteContactSettingDword(hContact, "IdleTS", 0);
// close Direct Connections to that user
CloseContactDirectConns(hContact);
// clear Xtraz status
handleXStatusCaps(hContact, NULL, 0);
icq_GetUserStatus(hContact,2);
}
}
static void handleReplyBuddy(BYTE *buf, WORD wPackLen)
{
oscar_tlv_chain *pChain;
pChain = readIntoTLVChain(&buf, wPackLen, 0);
if (pChain)
{
DWORD wMaxUins;
DWORD wMaxWatchers;
wMaxUins = getWordFromChain(pChain, 1, 1);
wMaxWatchers = getWordFromChain(pChain, 2, 1);
NetLog_Server("MaxUINs %u", wMaxUins);
NetLog_Server("MaxWatchers %u", wMaxWatchers);
disposeChain(&pChain);
}
else
{
NetLog_Server("Error: Malformed BuddyReply");
}
}
static void handleNotifyRejected(BYTE *buf, WORD wPackLen)
{
DWORD dwUIN;
uid_str szUID;
if (!unpackUID(&buf, &wPackLen, &dwUIN, &szUID))
return;
NetLog_Server("SNAC(x03,x0a) - SRV_NOTIFICATION_REJECTED for %s", strUID(dwUIN, szUID));
}
|