// call with the handle you're using ... it will set up that handle

// with the IE proxy settings, if found



CURLcode curl_use_ie_proxy(CURL *curlHandle) {

	CURLcode curlError;

	unsigned long infoBufferLen;

	void *infoBuffer;

#define proxyInfo ((INTERNET_PROXY_INFO *)infoBuffer)

#define charBuffer ((char *)infoBuffer)

	

	infoBuffer = malloc(infoBufferLen = 2048);	

	if(!infoBuffer) 

		return CURLE_OUT_OF_MEMORY;

	

	if(!InternetQueryOption(NULL, INTERNET_OPTION_PROXY, infoBuffer, &infoBufferLen))

		return CURLE_FUNCTION_NOT_FOUND;



	// if a proxy is set

	if(proxyInfo->dwAccessType == INTERNET_OPEN_TYPE_PROXY) {

		// push it into the curl handle

		curlError = curl_easy_setopt(curlHandle, CURLOPT_PROXY, (void *)proxyInfo->lpszProxy);

		if(curlError != CURLE_OK) return curlError;



		infoBufferLen = 1024; // give ourselves some leeway for the password

		// try and get a proxy username - ignore a blank result

		if(InternetQueryOption(NULL, INTERNET_OPTION_PROXY_USERNAME, infoBuffer, &infoBufferLen)) {

	

			if(charBuffer[0] != '\0') {

				// try and put the password on the end of it

				strcat(charBuffer, ":");

				infoBufferLen = 2000 - strlen(charBuffer);

				if(InternetQueryOption(NULL, INTERNET_OPTION_PROXY_PASSWORD, (void *)((char *)infoBuffer + strlen(charBuffer)), &infoBufferLen)) {

					// we have it, give it to curl

					curl_easy_setopt(curlHandle, CURLOPT_PROXYUSERPWD, charBuffer);

				}

			}

		}

	}



	free(infoBuffer);

	return CURLE_OK;

}