int _getProxyAddress()
{
#if defined OS_WIN32 && defined CC_MSVC
long ret;
HKEY result;
char url[1024];
DWORD size = 1024;
char TempPath[MAX_PATH];
char TempFile[MAX_PATH];
HMODULE hModJS;
DWORD enable;
DWORD enablesize = sizeof(DWORD);
/* MSDN EXAMPLE */
char url1[1025] = "http://www.google.fr/about.html";
char host[256] = "http://www.google.fr";
char proxyBuffer[1024];
char * proxy = proxyBuffer;
ZeroMemory(proxy, 1024);
DWORD dwProxyHostNameLength = 1024;
DWORD returnVal;
// Declare function pointers for the three autoproxy functions
pfnInternetInitializeAutoProxyDll pInternetInitializeAutoProxyDll;
pfnInternetDeInitializeAutoProxyDll pInternetDeInitializeAutoProxyDll;
pfnInternetGetProxyInfo pInternetGetProxyInfo;
/* ************ */
ret = RegOpenKeyExA(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings", 0, KEY_QUERY_VALUE, & result);
ret = RegQueryValueExA(result, "ProxyEnable", 0, 0, (LPBYTE) & enable, & enablesize);
ret = RegQueryValueExA(result, "ProxyServer", 0, 0, (LPBYTE)url, & size);
if (ret == ERROR_SUCCESS && enable == 1) {
if (_parseProxyUrl(url) == 0) {
RegCloseKey(result);
return 0;
}
}
ZeroMemory(url, 1024);
size = 1024;
ret = RegQueryValueExA(result, "AutoConfigURL", 0, 0, (LPBYTE)url, & size);
RegCloseKey(result);
if (ret != ERROR_SUCCESS) {
if (DetectAutoProxyUrl(url, size, PROXY_AUTO_DETECT_TYPE_DHCP | PROXY_AUTO_DETECT_TYPE_DNS_A) == false) {
NETLIB_LOG_ERROR(make_error_string("_getProxyAddress : DetectAutoProxyUrl"));
return -1;
}
}
GetTempPathA(sizeof(TempPath), TempPath);
GetTempFileNameA(TempPath, NULL, 0, TempFile);
if (URLDownloadToFileA(NULL, url, TempFile, NULL, NULL) != S_OK) {
NETLIB_LOG_ERROR(make_error_string("_getProxyAddress : URLDownloadToFileA"));
return -1;
}
if (!(hModJS = LoadLibraryA("jsproxy.dll"))) {
NETLIB_LOG_ERROR(make_error_string("_getProxyAddress : LoadLibrary"));
return -1;
}
if (!(pInternetInitializeAutoProxyDll = (pfnInternetInitializeAutoProxyDll)
GetProcAddress(hModJS, "InternetInitializeAutoProxyDll")) ||
!(pInternetDeInitializeAutoProxyDll = (pfnInternetDeInitializeAutoProxyDll)
GetProcAddress(hModJS, "InternetDeInitializeAutoProxyDll")) ||
!(pInternetGetProxyInfo = (pfnInternetGetProxyInfo)
GetProcAddress(hModJS, "InternetGetProxyInfo"))) {
NETLIB_LOG_ERROR(make_error_string("_getProxyAddress : GetProcAddress"));
return -1;
}
if (!(returnVal = pInternetInitializeAutoProxyDll(0, TempFile, NULL, 0, NULL))) {
NETLIB_LOG_ERROR(make_error_string("_getProxyAddress : pInternetInitializeAutoProxyDll"));
return -1;
}
DeleteFileA(TempFile);
if (!pInternetGetProxyInfo((LPSTR)url1, sizeof(url1),
(LPSTR)host, sizeof(host),
&proxy, &dwProxyHostNameLength)) {
NETLIB_LOG_ERROR(make_error_string("_getProxyAddress : pInternetGetProxyInfo"));
return -1;
}
if (strncmp("PROXY ", proxy, 6) == 0) {
if (_parseProxyUrl(proxy + 6) != 0) {
NETLIB_LOG_ERROR(make_error_string("_getProxyAddress : _parseProxyUrl"));
return -1;
}
}
else {
NETLIB_LOG_ERROR("_getProxyAddress : strncmp : PROXY doesn't match\n");
return -1;
}
if (!pInternetDeInitializeAutoProxyDll(NULL, 0)) {
NETLIB_LOG_ERROR(make_error_string("_getProxyAddress : pInternetDeInitializeAutoProxyDll"));
return -1;
}
#endif
return 0;
}
bool GetProxyForHost(const char *url, const char *hostname, cvs::string& proxy, cvs::string& proxy_port)
{
static bool bInitialised = false, bWorking = false;
char WPADLocation[1024]= "";
char TempPath[MAX_PATH];
char TempFile[MAX_PATH];
DWORD dwProxyHostNameLength;
DWORD returnVal;
HMODULE hModJS;
// Declare and populate an AutoProxyHelperVtbl structure, and then
// place a pointer to it in a containing AutoProxyHelperFunctions
// structure, which will be passed to InternetInitializeAutoProxyDll:
// Failure to compile this line means you have an out of date platfrom SDK.
static const AutoProxyHelperVtbl Vtbl =
{
IsResolvable,
GetIPAddress,
ResolveHostName,
IsInNet
};
static const AutoProxyHelperFunctions HelperFunctions = { &Vtbl };
// Declare function pointers for the three autoproxy functions
static pfnInternetInitializeAutoProxyDll pInternetInitializeAutoProxyDll;
static pfnInternetDeInitializeAutoProxyDll pInternetDeInitializeAutoProxyDll;
static pfnInternetGetProxyInfo pInternetGetProxyInfo;
static cvs::string static_proxy,static_port;
if(!bInitialised)
{
bInitialised=true;
bWorking=false;
if( !( hModJS = LoadLibraryA( "jsproxy.dll" ) ) )
return false;
if( !( pInternetInitializeAutoProxyDll = (pfnInternetInitializeAutoProxyDll)
GetProcAddress( hModJS, "InternetInitializeAutoProxyDll" ) ) ||
!( pInternetDeInitializeAutoProxyDll = (pfnInternetDeInitializeAutoProxyDll)
GetProcAddress( hModJS, "InternetDeInitializeAutoProxyDll" ) ) ||
!( pInternetGetProxyInfo = (pfnInternetGetProxyInfo)
GetProcAddress( hModJS, "InternetGetProxyInfo" ) ) )
return false;
INTERNET_PER_CONN_OPTIONA pco[] =
{
{ INTERNET_PER_CONN_FLAGS },
{ INTERNET_PER_CONN_AUTOCONFIG_URL },
{ INTERNET_PER_CONN_PROXY_SERVER },
{ INTERNET_PER_CONN_PROXY_BYPASS },
{ INTERNET_PER_CONN_AUTOCONFIG_SECONDARY_URL }
};
INTERNET_PER_CONN_OPTION_LISTA pcol = { sizeof(pco), NULL, sizeof(pco)/sizeof(pco[0]), 0, pco };
DWORD dwLen=sizeof(pcol);
if(!InternetQueryOptionA(NULL,INTERNET_OPTION_PER_CONNECTION_OPTION,&pcol,&dwLen))
return false;
DWORD pt = pco[0].Value.dwValue;
if(pt&PROXY_TYPE_AUTO_DETECT)
{
// Autodetect proxy file. We only want to do this once becuase it's slow
// We do DNS first... DHCP can take up to 10 seconds to complete.
if(!DetectAutoProxyUrl( WPADLocation, sizeof(WPADLocation),PROXY_AUTO_DETECT_TYPE_DNS_A) &&
!DetectAutoProxyUrl( WPADLocation, sizeof(WPADLocation), PROXY_AUTO_DETECT_TYPE_DHCP ))
return false;
}
else if(pt&PROXY_TYPE_AUTO_PROXY_URL)
{
// Download proxy.pac from url
strncpy(WPADLocation,pco[1].Value.pszValue,sizeof(WPADLocation));
LocalFree((HLOCAL)pco[1].Value.pszValue);
}
else if(pt&PROXY_TYPE_PROXY)
{
// Explicitly set proxy server
LPSTR szValue = pco[2].Value.pszValue;
static_port="";
char *p=strrchr(szValue,':');
if(p)
{
*p='\0';
static_port=p+1;
}
static_proxy=szValue;
LocalFree((HLOCAL)szValue);
}
else
{
return false; // Fail the detect, forcing us to go direct
}
if(!static_proxy.length())
{
GetTempPathA( sizeof(TempPath)/sizeof(TempPath[0]), TempPath );
GetTempFileNameA( TempPath, NULL, 0, TempFile );
URLDownloadToFileA( NULL, WPADLocation, TempFile, NULL, NULL );
if( !( returnVal = pInternetInitializeAutoProxyDll( 0, TempFile, NULL,
(AutoProxyHelperFunctions*)&HelperFunctions, NULL ) ) )
return false;
// Delete the temporary file
DeleteFileA( TempFile );
}
bWorking = true;
}
if(!bWorking)
return false;
if(static_proxy.length())
{
proxy = static_proxy;
proxy_port = static_port;
}
else
{
dwProxyHostNameLength=0;
LPSTR szProxy = NULL;
if( !pInternetGetProxyInfo( (LPSTR) url, (DWORD)strlen(url),
(LPSTR) hostname, (DWORD)strlen(hostname),
&szProxy, &dwProxyHostNameLength ) )
return false;
if(!szProxy || !strcmp(szProxy,"DIRECT"))
return false; // Direct connection
if(strncmp(szProxy,"PROXY ",6))
return false; // This should be the only possible string (maybe "SOCKS" but that's little used)
proxy_port="";
char *p = strrchr(szProxy,':');
if(p)
{
proxy_port=p+1;
*p='\0';
}
proxy=szProxy+6;
// Not documented - how to free this?
LocalFree((HLOCAL)szProxy);
}
return true;
}
