public async void TestConnectByIPv4Async()
{
using (var proxy = new Socks5ProxyListener()) {
proxy.Start(IPAddress.Loopback, 0);
var socks = new Socks5Client(proxy.IPAddress.ToString(), proxy.Port);
var host = "74.125.197.99"; // ResolveIPv4 ("www.google.com");
Socket socket = null;
if (host == null)
{
return;
}
try {
socket = await socks.ConnectAsync(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 void TestConnectByIPv6Async()
{
using (var proxy = new Socks5ProxyListener()) {
proxy.Start(IPAddress.Loopback, 0);
var socks = new Socks5Client(proxy.IPAddress.ToString(), proxy.Port);
var host = "2607:f8b0:400e:c03::69"; // ResolveIPv6 ("www.google.com");
Socket socket = null;
if (host == null)
{
return;
}
try {
socket = await socks.ConnectAsync(host, 80, ConnectTimeout);
socket.Disconnect(false);
} catch (ProxyProtocolException ex) {
Assert.IsTrue(ex.Message.StartsWith($"Failed to connect to {host}:80: ", StringComparison.Ordinal), ex.Message);
Assert.Inconclusive(ex.Message);
} catch (TimeoutException) {
Assert.Inconclusive("Timed out.");
} catch (Exception ex) {
Assert.Fail(ex.Message);
} finally {
if (socket != null)
{
socket.Dispose();
}
}
}
}
public async void TestConnectWithBadCredentialsAsync()
{
using (var proxy = new Socks5ProxyListener()) {
proxy.Start(IPAddress.Loopback, 0);
var credentials = new NetworkCredential("username", "bad");
var socks = new Socks5Client(proxy.IPAddress.ToString(), proxy.Port, credentials);
Socket socket = null;
try {
socket = await socks.ConnectAsync("www.google.com", 80, ConnectTimeout);
socket.Disconnect(false);
Assert.Fail("Expected AuthenticationException");
} catch (AuthenticationException) {
// this is what we expect to get
Assert.Pass("Got an AuthenticationException just as expected");
} 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 Socks5ProxyListener()) {
proxy.Start(IPAddress.Loopback, 0);
var socks = new Socks5Client(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 TestConnectAnonymousAsync()
{
using (var proxy = new Socks5ProxyListener()) {
proxy.Start(IPAddress.Loopback, 0);
var socks = new Socks5Client(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 TestConnectAnonymous()
{
using (var proxy = new Socks5ProxyListener()) {
proxy.Start(IPAddress.Loopback, 0);
var socks = new Socks5Client(proxy.IPAddress.ToString(), proxy.Port);
Socket socket = null;
try {
socket = socks.Connect("www.google.com", 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 void TestConnectWithCredentials()
{
using (var proxy = new Socks5ProxyListener()) {
proxy.Start(IPAddress.Loopback, 0);
var credentials = new NetworkCredential("username", "password");
var socks = new Socks5Client(proxy.IPAddress.ToString(), proxy.Port, credentials);
Stream stream = null;
try {
stream = socks.Connect("www.google.com", 80, ConnectTimeout);
} catch (AuthenticationException) {
// this is what we expect to get
Assert.Pass("Got an AuthenticationException just as expected");
} catch (TimeoutException) {
Assert.Inconclusive("Timed out.");
} catch (Exception ex) {
Assert.Fail(ex.Message);
} finally {
stream?.Dispose();
}
}
}