void __fastcall serverCookieInit(icq_packet *pPacket, BYTE *pCookie, WORD wCookieSize)
{
pPacket->wLen = (WORD)(wCookieSize + 8 + sizeof(CLIENT_ID_STRING) + 66);
write_flap(pPacket, ICQ_LOGIN_CHAN);
packDWord(pPacket, 0x00000001);
packTLV(pPacket, 0x06, wCookieSize, pCookie);
// Pack client identification details.
packTLV(pPacket, 0x0003, (WORD)sizeof(CLIENT_ID_STRING)-1, (LPBYTE)CLIENT_ID_STRING);
packTLVWord(pPacket, 0x0017, CLIENT_VERSION_MAJOR);
packTLVWord(pPacket, 0x0018, CLIENT_VERSION_MINOR);
packTLVWord(pPacket, 0x0019, CLIENT_VERSION_LESSER);
packTLVWord(pPacket, 0x001a, CLIENT_VERSION_BUILD);
packTLVWord(pPacket, 0x0016, CLIENT_ID_CODE);
packTLVDWord(pPacket, 0x0014, CLIENT_DISTRIBUTION);
packTLV(pPacket, 0x000f, 0x0002, (LPBYTE)CLIENT_LANGUAGE);
packTLV(pPacket, 0x000e, 0x0002, (LPBYTE)CLIENT_COUNTRY);
packDWord(pPacket, 0x00940001); // reconnect flag
packByte(pPacket, 0);
packTLVDWord(pPacket, 0x8003, 0x00100000); // Unknown
}
void CIcqProto::sendClientAuth(const char *szKey, size_t wKeyLen, BOOL bSecure)
{
char szUin[UINMAXLEN];
icq_packet packet;
size_t wUinLen = mir_strlen(strUID(m_dwLocalUIN, szUin));
packet.wLen = WORD((m_bLegacyFix ? 65 : 70) + sizeof(CLIENT_ID_STRING) + wUinLen + wKeyLen + (m_bSecureConnection ? 4 : 0));
if (bSecure) {
serverPacketInit(&packet, packet.wLen + 10);
packFNACHeader(&packet, ICQ_AUTHORIZATION_FAMILY, ICQ_SIGNON_LOGIN_REQUEST, 0, 0);
}
else {
write_flap(&packet, ICQ_LOGIN_CHAN);
packDWord(&packet, 0x00000001);
}
packTLV(&packet, 0x0001, wUinLen, (LPBYTE)szUin);
if (bSecure) { // Pack MD5 auth digest
packTLV(&packet, 0x0025, wKeyLen, (BYTE*)szKey);
packDWord(&packet, 0x004C0000); // empty TLV(0x4C): unknown
}
else { // Pack old style password hash
BYTE hash[20];
icq_encryptPassword(szKey, hash);
packTLV(&packet, 0x0002, wKeyLen, hash);
}
// Pack client identification details.
packTLV(&packet, 0x0003, (WORD)sizeof(CLIENT_ID_STRING)-1, (LPBYTE)CLIENT_ID_STRING);
packTLVWord(&packet, 0x0017, CLIENT_VERSION_MAJOR);
packTLVWord(&packet, 0x0018, CLIENT_VERSION_MINOR);
packTLVWord(&packet, 0x0019, CLIENT_VERSION_LESSER);
packTLVWord(&packet, 0x001a, CLIENT_VERSION_BUILD);
packTLVWord(&packet, 0x0016, CLIENT_ID_CODE);
packTLVDWord(&packet, 0x0014, CLIENT_DISTRIBUTION);
packTLV(&packet, 0x000f, 0x0002, (LPBYTE)CLIENT_LANGUAGE);
packTLV(&packet, 0x000e, 0x0002, (LPBYTE)CLIENT_COUNTRY);
if (!m_bLegacyFix)
packTLV(&packet, 0x0094, 0x0001, &m_bConnectionLost); // CLIENT_RECONNECT flag
if (m_bSecureConnection)
packDWord(&packet, 0x008C0000); // empty TLV(0x8C): use SSL
sendServPacket(&packet);
}
void CIcqProto::handleLoginChannel(BYTE *buf, WORD datalen, serverthread_info *info)
{
icq_packet packet;
#ifdef _DEBUG
NetLog_Server("Received SRV_HELLO from %s", info->isLoginServer ? "login server" : "communication server");
#endif
// isLoginServer is "1" if we just received SRV_HELLO
if (info->isLoginServer)
{
if (m_bSecureLogin)
{
char szUin[UINMAXLEN];
WORD wUinLen;
#ifdef _DEBUG
NetLog_Server("Sending %s to %s", "CLI_HELLO", "login server");
#endif
packet.wLen = 12;
write_flap(&packet, ICQ_LOGIN_CHAN);
packDWord(&packet, 0x00000001);
packTLVDWord(&packet, 0x8003, 0x00100000); // unknown
sendServPacket(&packet); // greet login server
wUinLen = strlennull(strUID(m_dwLocalUIN, szUin));
#ifdef _DEBUG
NetLog_Server("Sending %s to %s", "ICQ_SIGNON_AUTH_REQUEST", "login server");
#endif
serverPacketInit(&packet, (WORD)(14 + wUinLen));
packFNACHeader(&packet, ICQ_AUTHORIZATION_FAMILY, ICQ_SIGNON_AUTH_REQUEST, 0, 0);
packTLV(&packet, 0x0001, wUinLen, (LPBYTE)szUin);
sendServPacket(&packet); // request login digest
}
else
{
sendClientAuth((char*)info->szAuthKey, info->wAuthKeyLen, FALSE);
#ifdef _DEBUG
NetLog_Server("Sent CLI_IDENT to %s", "login server");
#endif
}
info->isLoginServer = 0;
if (info->cookieDataLen)
{
SAFE_FREE((void**)&info->cookieData);
info->cookieDataLen = 0;
}
}
else
{
if (info->cookieDataLen)
{
wLocalSequence = generate_flap_sequence();
serverCookieInit(&packet, info->cookieData, (WORD)info->cookieDataLen);
sendServPacket(&packet);
#ifdef _DEBUG
NetLog_Server("Sent CLI_IDENT to %s", "communication server");
#endif
SAFE_FREE((void**)&info->cookieData);
info->cookieDataLen = 0;
}
else
{
// We need a cookie to identify us to the communication server
NetLog_Server("Error: Connected to %s without a cookie!", "communication server");
}
}
}