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/*
* Copyright (c) 2010-2011 Thilo Cestonaro
* Licensed under the simplified BSD license.
* See Documentation/Licenses/BSD-simplified.txt for more information.
*/
/*
* Copyright (c) 2016 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
#include <Swiften/Network/WindowsProxyProvider.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <boost/lexical_cast.hpp>
#include <boost/numeric/conversion/cast.hpp>
#include <windows.h>
#include <Swiften/Base/ByteArray.h>
#include <Swiften/Base/Log.h>
#include <Swiften/Network/HostAddress.h>
#include <Swiften/Network/HostAddressPort.h>
namespace Swift {
WindowsProxyProvider::WindowsProxyProvider()
: ProxyProvider()
{
HKEY hKey = (HKEY)INVALID_HANDLE_VALUE;
long result;
result = RegOpenKeyEx(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings", 0, KEY_READ, &hKey);
if (result == ERROR_SUCCESS && hKey != INVALID_HANDLE_VALUE && proxyEnabled(hKey)) {
DWORD dataType = REG_SZ;
DWORD dataSize = 0;
ByteArray dataBuffer;
result = RegQueryValueEx(hKey, "ProxyServer", NULL, &dataType, NULL, &dataSize);
if(result != ERROR_SUCCESS) {
return;
}
dataBuffer.resize(dataSize);
result = RegQueryValueEx(hKey, "ProxyServer", NULL, &dataType, reinterpret_cast<BYTE*>(vecptr(dataBuffer)), &dataSize);
if(result == ERROR_SUCCESS) {
std::vector<std::string> proxies = String::split(byteArrayToString(dataBuffer), ';');
std::pair<std::string, std::string> protocolAndProxy;
for(auto&& proxy : proxies) {
if(proxy.find('=') != std::string::npos) {
protocolAndProxy = String::getSplittedAtFirst(proxy, '=');
SWIFT_LOG(debug) << "Found proxy: " << protocolAndProxy.first << " => " << protocolAndProxy.second << std::endl;
if(protocolAndProxy.first.compare("socks") == 0) {
socksProxy = getAsHostAddressPort(protocolAndProxy.second);
}
else if (protocolAndProxy.first.compare("http") == 0) {
httpProxy = getAsHostAddressPort(protocolAndProxy.second);
}
}
}
}
}
}
HostAddressPort WindowsProxyProvider::getHTTPConnectProxy() const {
return httpProxy;
}
HostAddressPort WindowsProxyProvider::getSOCKS5Proxy() const {
return socksProxy;
}
HostAddressPort WindowsProxyProvider::getAsHostAddressPort(std::string proxy) {
HostAddressPort ret(HostAddress(), 0);
try {
std::pair<std::string, std::string> tmp;
unsigned short port = 0;
tmp = String::getSplittedAtFirst(proxy, ':');
// .c_str() is needed as tmp.second can include a \0 char which will end in an exception of the lexical cast.
// with .c_str() the \0 will not be part of the string which is to be casted
port = boost::numeric_cast<unsigned short>(boost::lexical_cast<int> (tmp.second.c_str()));
ret = HostAddressPort(HostAddress::fromString(tmp.first).get(), port);
}
catch(...) {
SWIFT_LOG(error) << "Exception occured while parsing windows proxy \"getHostAddressPort\"." << std::endl;
}
return ret;
}
bool WindowsProxyProvider::proxyEnabled(HKEY hKey) const {
bool ret = false;
long result;
DWORD dataType = REG_DWORD;
DWORD dataSize = 0;
DWORD data = 0;
ByteArray dataBuffer;
if(hKey == INVALID_HANDLE_VALUE) {
return ret;
}
result = RegQueryValueEx(hKey, "ProxyEnable", NULL, &dataType, NULL, &dataSize);
if(result != ERROR_SUCCESS) {
return ret;
}
dataBuffer.resize(dataSize);
result = RegQueryValueEx(hKey, "ProxyEnable", NULL, &dataType, reinterpret_cast<BYTE*>(vecptr(dataBuffer)), &dataSize);
if(result != ERROR_SUCCESS) {
return ret;
}
for(size_t t = 0; t < dataBuffer.size(); t++) {
data += static_cast<int> (dataBuffer[t]) * pow(256, static_cast<double>(t));
}
return (data == 1);
}
}
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