public async Task TestConnectSocks4ByDomainAsync()
{
using (var proxy = new Socks4ProxyListener()) {
proxy.Start(IPAddress.Loopback, 0);
var socks = new Socks4aClient(proxy.IPAddress.ToString(), proxy.Port);
Socket socket = null;
try {
socket = await socks.ConnectAsync("www.google.com", 80);
socket.Disconnect(false);
Assert.Fail("Sending a domain to a SOCKS4-only proxy server should have failed.");
} catch (ProxyProtocolException) {
// This is expected since this proxy does not support Socks4a
Assert.Pass($"{socks.ProxyHost} does not support Socks4a.");
} catch (TimeoutException) {
Assert.Inconclusive("Timed out.");
} catch (Exception ex) {
Assert.Fail(ex.Message);
} finally {
if (socket != null)
{
socket.Dispose();
}
}
}
}
public void TestConnectByIPv4()
{
using (var proxy = new Socks4ProxyListener()) {
proxy.Start(IPAddress.Loopback, 0);
var socks = new Socks4Client(proxy.IPAddress.ToString(), proxy.Port);
var host = "74.125.197.99"; // ResolveIPv4 ("www.google.com");
Socket socket = null;
if (host == null)
{
return;
}
try {
socket = socks.Connect(host, 80, ConnectTimeout);
socket.Disconnect(false);
} catch (TimeoutException) {
Assert.Inconclusive("Timed out.");
} catch (Exception ex) {
Assert.Fail(ex.Message);
} finally {
if (socket != null)
{
socket.Dispose();
}
}
}
}
public async Task TestTimeoutException()
{
using (var proxy = new Socks4ProxyListener()) {
proxy.Start(IPAddress.Loopback, 0);
var socks = new Socks4Client(proxy.IPAddress.ToString(), proxy.Port);
Stream stream = null;
try {
stream = await socks.ConnectAsync("example.com", 25, 1000);
} catch (TimeoutException) {
Assert.Pass();
} catch (Exception ex) {
Assert.Fail(ex.Message);
} finally {
stream?.Dispose();
}
}
}
public async Task TestConnectByDomainAsync()
{
using (var proxy = new Socks4ProxyListener()) {
proxy.Start(IPAddress.Loopback, 0);
var socks = new Socks4Client(proxy.IPAddress.ToString(), proxy.Port);
Stream stream = null;
try {
stream = await socks.ConnectAsync("www.google.com", 80, ConnectTimeout);
} catch (TimeoutException) {
Assert.Inconclusive("Timed out.");
} catch (Exception ex) {
Assert.Fail(ex.Message);
} finally {
stream?.Dispose();
}
}
}
public void TestConnectByDomain()
{
using (var proxy = new Socks4ProxyListener()) {
proxy.Start(IPAddress.Loopback, 0);
var socks = new Socks4Client(proxy.IPAddress.ToString(), proxy.Port);
Socket socket = null;
try {
socket = socks.Connect("www.google.com", 80, 10 * 1000);
socket.Disconnect(false);
} catch (TimeoutException) {
Assert.Inconclusive("Timed out.");
} catch (Exception ex) {
Assert.Fail(ex.Message);
} finally {
if (socket != null)
{
socket.Dispose();
}
}
}
}