protected void OnClientReceive(IAsyncResult iasyncResult_0)
{
try
{
int num = this.pipeToClient.EndReceive(iasyncResult_0);
if (num > 0)
{
this._lngEgressByteCount += (long)num;
Trace.WriteLine("[GenericTunnel] Received from client: " + num.ToString() + " bytes. Sending to server...");
Trace.WriteLine(Utilities.ByteArrayToHexView(this.arrRequestBytes, 16, num));
FiddlerApplication.DoReadRequestBuffer(this._mySession, this.arrRequestBytes, num);
this.pipeToRemote.Send(this.arrRequestBytes, 0, num);
this.pipeToClient.BeginReceive(this.arrRequestBytes, 0, this.arrRequestBytes.Length, SocketFlags.None, new AsyncCallback(this.OnClientReceive), null);
}
else
{
FiddlerApplication.DoReadRequestBuffer(this._mySession, this.arrRequestBytes, 0);
this.CloseTunnel();
}
}
catch (Exception ex)
{
Trace.WriteLine("[GenericTunnel] OnClientReceive threw... " + ex.Message);
this.CloseTunnel();
}
}
protected void OnClientReceive(IAsyncResult iasyncResult_0)
{
try
{
int num = this.socketClient.EndReceive(iasyncResult_0);
if (num > 0)
{
this._lngEgressByteCount += (long)num;
FiddlerApplication.DoReadRequestBuffer(this._mySession, this.arrRequestBytes, num);
if (this._mySession.requestBodyBytes != null)
{
if (this._mySession.requestBodyBytes.LongLength != 0L)
{
goto IL_FF;
}
}
try
{
HTTPSClientHello hTTPSClientHello = new HTTPSClientHello();
if (hTTPSClientHello.LoadFromStream(new MemoryStream(this.arrRequestBytes, 0, num, false)))
{
this._mySession.requestBodyBytes = Encoding.UTF8.GetBytes(hTTPSClientHello.ToString() + "\n");
this._mySession["https-Client-SessionID"] = hTTPSClientHello.SessionID;
if (!string.IsNullOrEmpty(hTTPSClientHello.ServerNameIndicator))
{
this._mySession["https-Client-SNIHostname"] = hTTPSClientHello.ServerNameIndicator;
}
}
}
catch (Exception ex)
{
this._mySession.requestBodyBytes = Encoding.UTF8.GetBytes("Request HTTPSParse failed: " + ex.Message);
}
IL_FF:
this.socketRemote.BeginSend(this.arrRequestBytes, 0, num, SocketFlags.None, new AsyncCallback(this.OnRemoteSent), this.socketRemote);
}
else
{
FiddlerApplication.DoReadRequestBuffer(this._mySession, this.arrRequestBytes, 0);
this.CloseTunnel();
}
}
catch (Exception)
{
this.CloseTunnel();
}
}
internal bool ReadRequest()
{
if (this.m_requestData != null)
{
FiddlerApplication.ReportException(new InvalidOperationException("ReadRequest called when requestData buffer already existed."));
return(false);
}
if (this.pipeClient == null)
{
FiddlerApplication.ReportException(new InvalidOperationException("ReadRequest called after pipeClient was null'd."));
return(false);
}
this.m_requestData = new PipeReadBuffer(true);
this.m_session.SetBitFlag(SessionFlags.ClientPipeReused, this.pipeClient.iUseCount > 0u);
this.pipeClient.IncrementUse(0);
this.pipeClient.setReceiveTimeout();
int num = 0;
bool flag = false;
bool flag2 = false;
byte[] array = new byte[ClientChatter._cbClientReadBuffer];
while (true)
{
try
{
num = this.pipeClient.Receive(array);
goto IL_1F1;
}
catch (Exception ex)
{
if (CONFIG.bDebugSpew)
{
FiddlerApplication.DebugSpew(string.Format("ReadRequest {0} threw {1}", (this.pipeClient == null) ? "Null pipeClient" : this.pipeClient.ToString(), ex.Message));
}
flag = true;
goto IL_1F1;
}
goto IL_D2;
IL_1DE:
if (flag2 || flag)
{
goto IL_22F;
}
if (this.isRequestComplete())
{
goto Block_17;
}
continue;
IL_D2:
flag2 = true;
FiddlerApplication.DoReadRequestBuffer(this.m_session, array, 0);
if (CONFIG.bDebugSpew)
{
FiddlerApplication.DebugSpew(string.Format("ReadRequest {0} returned {1}", (this.pipeClient == null) ? "Null pipeClient" : this.pipeClient.ToString(), num));
goto IL_1DE;
}
goto IL_1DE;
IL_1F1:
if (num <= 0)
{
goto IL_D2;
}
if (CONFIG.bDebugSpew)
{
FiddlerApplication.DebugSpew(string.Format("READ FROM {0}:\n{1}", this.pipeClient, Utilities.ByteArrayToHexView(array, 32, num)));
}
if (!FiddlerApplication.DoReadRequestBuffer(this.m_session, array, num))
{
flag = true;
}
if (0L == this.m_requestData.Length)
{
this.m_session.Timers.ClientBeginRequest = DateTime.Now;
if (1u == this.pipeClient.iUseCount && num > 2)
{
if (array[0] == 5)
{
break;
}
if (array[0] == 5)
{
break;
}
}
int i;
for (i = 0; i < num; i++)
{
if (13 != array[i] && 10 != array[i])
{
break;
}
}
this.m_requestData.Write(array, i, num - i);
goto IL_1DE;
}
this.m_requestData.Write(array, 0, num);
goto IL_1DE;
}
goto IL_1FD;
Block_17:
goto IL_22F;
IL_1FD:
FiddlerApplication.Log.LogFormat("It looks like someone is trying to send SOCKS traffic to us.\r\n{0}", new object[]
{
Utilities.ByteArrayToHexView(array, 16, Math.Min(num, 256))
});
return(false);
IL_22F:
array = null;
if (!flag)
{
if (this.m_requestData.Length != 0L)
{
if (this.m_headers == null || this.m_session.state >= SessionStates.Done)
{
this._freeRequestData();
return(false);
}
if ("CONNECT" == this.m_headers.HTTPMethod)
{
this.m_session.isTunnel = true;
this.m_sHostFromURI = this.m_session.PathAndQuery;
}
if (this.m_sHostFromURI != null)
{
if (this.m_headers.Exists("Host"))
{
if (!Utilities.areOriginsEquivalent(this.m_sHostFromURI, this.m_headers["Host"], this.m_session.isHTTPS ? 443 : (this.m_session.isFTP ? 21 : 80)) && (!this.m_session.isTunnel || !Utilities.areOriginsEquivalent(this.m_sHostFromURI, this.m_headers["Host"], 443)))
{
this.m_session.oFlags["X-Original-Host"] = this.m_headers["Host"];
this.m_session.oFlags["X-URI-Host"] = this.m_sHostFromURI;
if (FiddlerApplication.Prefs.GetBoolPref("fiddler.network.SetHostHeaderFromURL", true))
{
this.m_headers["Host"] = this.m_sHostFromURI;
}
}
}
else
{
if ("HTTP/1.1".OICEquals(this.m_headers.HTTPVersion))
{
this.m_session.oFlags["X-Original-Host"] = string.Empty;
}
this.m_headers["Host"] = this.m_sHostFromURI;
}
this.m_sHostFromURI = null;
}
if (!this.m_headers.Exists("Host"))
{
this._freeRequestData();
return(false);
}
return(true);
}
}
this._freeRequestData();
if (this.pipeClient == null)
{
return(false);
}
if (this.pipeClient.iUseCount < 2u || (this.pipeClient.bIsSecured && this.pipeClient.iUseCount < 3u))
{
FiddlerApplication.Log.LogFormat("[Fiddler] No {0} request was received from ({1}) new client socket, port {2}.", new object[]
{
this.pipeClient.bIsSecured ? "HTTPS" : "HTTP",
this.m_session.oFlags["X-ProcessInfo"],
this.m_session.oFlags["X-CLIENTPORT"]
});
}
return(false);
}
