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/*
Jabber Protocol Plugin for Miranda IM
Tlen Protocol Plugin for Miranda NG
Copyright (C) 2002-2004 Santithorn Bunchua
Copyright (C) 2004-2007 Piotr Piastucki
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.
*/
#include "stdafx.h"
BOOL TlenWsInit(TlenProtocol *proto)
{
wchar_t name[128];
NETLIBUSER nlu = {};
nlu.ptszDescriptiveName = name;
nlu.szSettingsModule = proto->m_szModuleName;
nlu.flags = NUF_OUTGOING | NUF_INCOMING | NUF_HTTPCONNS | NUF_UNICODE; // | NUF_HTTPGATEWAY;
mir_snwprintf(name, TranslateT("%s connection"), proto->m_tszUserName);
proto->m_hNetlibUser = Netlib_RegisterUser(&nlu);
nlu.flags = NUF_OUTGOING | NUF_INCOMING | NUF_NOOPTIONS | NUF_UNICODE;
mir_snwprintf(name, TranslateT("%s SOCKS connection"), proto->m_tszUserName);
proto->hFileNetlibUser = Netlib_RegisterUser(&nlu);
NETLIBUSERSETTINGS nlus = {0};
nlus.cbSize = sizeof(nlus);
nlus.useProxy = 0;
Netlib_SetUserSettings(proto->hFileNetlibUser, &nlus);
return (proto->m_hNetlibUser != NULL)?TRUE:FALSE;
}
void TlenWsUninit(TlenProtocol *proto)
{
if (proto->m_hNetlibUser != NULL) Netlib_CloseHandle(proto->m_hNetlibUser);
if (proto->hFileNetlibUser != NULL) Netlib_CloseHandle(proto->hFileNetlibUser);
proto->m_hNetlibUser = NULL;
proto->hFileNetlibUser = NULL;
}
HANDLE TlenWsConnect(TlenProtocol *proto, char *host, WORD port)
{
NETLIBOPENCONNECTION nloc = {};
nloc.cbSize = sizeof(NETLIBOPENCONNECTION); //NETLIBOPENCONNECTION_V1_SIZE;
nloc.szHost = host;
nloc.wPort = port;
nloc.flags = 0;
nloc.timeout = 6;
return Netlib_OpenConnection(proto->m_hNetlibUser, &nloc);
}
int TlenWsSend(TlenProtocol *proto, HANDLE s, char *data, int datalen)
{
int len;
if ((len=Netlib_Send(s, data, datalen, /*MSG_NODUMP|*/MSG_DUMPASTEXT)) == SOCKET_ERROR || len != datalen) {
proto->debugLogA("Netlib_Send() failed, error=%d", WSAGetLastError());
return FALSE;
}
return TRUE;
}
int TlenWsRecv(TlenProtocol *proto, HANDLE s, char *data, long datalen)
{
int ret;
ret = Netlib_Recv(s, data, datalen, /*MSG_NODUMP|*/MSG_DUMPASTEXT);
if (ret == SOCKET_ERROR) {
proto->debugLogA("Netlib_Recv() failed, error=%d", WSAGetLastError());
return 0;
}
if (ret == 0) {
proto->debugLogA("Connection closed gracefully");
return 0;
}
return ret;
}
int TlenWsSendAES(TlenProtocol *proto, char *data, int datalen, aes_context *aes_ctx, unsigned char *aes_iv)
{
int len, sendlen;
unsigned char aes_input[16];
unsigned char aes_output[256];
if (proto->threadData == NULL) {
return FALSE;
}
while (datalen > 0) {
len = 0;
while (datalen > 0 && len < 256) {
int pad = datalen < 16 ? 16 - datalen : 0;
memcpy(aes_input, data, datalen < 16 ? datalen : 16);
memset(aes_input + 16 - pad, ' ', pad);
aes_crypt_cbc(aes_ctx, AES_ENCRYPT, 16, aes_iv, aes_input, aes_output + len);
datalen -= 16;
data += 16;
len += 16;
}
if (len > 0) {
proto->debugLogA("Sending %d bytes", len);
if ((sendlen=Netlib_Send(proto->threadData->s, (char *)aes_output, len, MSG_NODUMP)) == SOCKET_ERROR || len != sendlen) {
proto->debugLogA("Netlib_Send() failed, error=%d", WSAGetLastError());
return FALSE;
}
}
}
return TRUE;
}
int TlenWsRecvAES(TlenProtocol *proto, char *data, long datalen, aes_context *aes_ctx, unsigned char *aes_iv)
{
int ret, len = 0, maxlen = datalen;
unsigned char aes_input[16];
unsigned char *aes_output = (unsigned char *)data;
if (proto->threadData == NULL) {
return 0;
}
for (maxlen = maxlen & ~0xF; maxlen != 0; maxlen = maxlen & 0xF) {
ret = Netlib_Recv(proto->threadData->s, data, maxlen, MSG_NODUMP);
if (ret == SOCKET_ERROR) {
proto->debugLogA("Netlib_Recv() failed, error=%d", WSAGetLastError());
return 0;
}
if (ret == 0) {
proto->debugLogA("Connection closed gracefully");
return 0;
}
data += ret;
len += ret;
maxlen -= ret;
}
ret = len;
while (len > 15) {
memcpy(aes_input, aes_output, 16);
aes_crypt_cbc(aes_ctx, AES_DECRYPT, 16, aes_iv, aes_input, aes_output);
aes_output += 16;
len -= 16;
}
return ret;
}
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