From 7c8a134b082e1224a6ece26cefdf939753088e2c Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <matthias@gamezock.de>
Date: Wed, 29 Apr 2009 19:57:50 +0200
Subject: Core in Server umbenannt

---
 .../RequestHandlers/GSSAPIAuthRequestHandler.cpp   | 134 +++++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100644 src/Server/RequestHandlers/GSSAPIAuthRequestHandler.cpp

(limited to 'src/Server/RequestHandlers/GSSAPIAuthRequestHandler.cpp')

diff --git a/src/Server/RequestHandlers/GSSAPIAuthRequestHandler.cpp b/src/Server/RequestHandlers/GSSAPIAuthRequestHandler.cpp
new file mode 100644
index 0000000..c665843
--- /dev/null
+++ b/src/Server/RequestHandlers/GSSAPIAuthRequestHandler.cpp
@@ -0,0 +1,134 @@
+/*
+ * GSSAPIAuthRequestHandler.cpp
+ *
+ * Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "GSSAPIAuthRequestHandler.h"
+#include <Common/Exception.h>
+#include <Common/Logger.h>
+#include <Net/Connection.h>
+
+#include <cstring>
+
+namespace Mad {
+namespace Server {
+namespace RequestHandlers {
+
+// TODO Error handling
+
+void GSSAPIAuthRequestHandler::handlePacket(const Common::XmlPacket &packet) {
+  if(packet.getType() != "AuthGSSAPI") {
+    Common::Logger::log(Common::Logger::ERROR, "Received an unexpected packet.");
+
+    Common::XmlPacket ret;
+    ret.setType("Error");
+    ret.add("ErrorCode", Common::Exception::UNEXPECTED_PACKET);
+
+    sendPacket(ret);
+
+    signalFinished().emit();
+    return;
+  }
+
+  OM_uint32 majStat, minStat;
+  gss_buffer_desc recvBuffer, sendBuffer;
+
+  // Needs error handling!
+
+  if(gssContinue) {
+    const void *pkgData;
+    packet["authToken"].getBinaryData(&pkgData, &recvBuffer.length);
+
+    recvBuffer.value = std::malloc(recvBuffer.length);
+    std::memcpy(recvBuffer.value, pkgData, recvBuffer.length);
+
+    majStat = gss_accept_sec_context(&minStat, &gssContext, GSS_C_NO_CREDENTIAL, &recvBuffer, GSS_C_NO_CHANNEL_BINDINGS, 0, 0, &sendBuffer, 0, 0, 0);
+
+    std::free(recvBuffer.value);
+
+    if(majStat == GSS_S_COMPLETE) {
+      Common::Logger::log(Common::Logger::VERBOSE, "GSS context established.");
+      gssContinue = false;
+    }
+    else if(majStat != GSS_S_CONTINUE_NEEDED) {
+      gss_release_buffer(&minStat, &sendBuffer);
+      return;
+    }
+
+    Common::XmlPacket ret;
+    ret.setType("AuthGSSAPI");
+    ret.addBinary("authToken", sendBuffer.value, sendBuffer.length);
+
+    if(!sendPacket(ret)) {
+      gss_release_buffer(&minStat, &sendBuffer);
+      return;
+    }
+
+    gss_release_buffer(&minStat, &sendBuffer);
+  }
+  else if(!sentSignature) {
+    if(!packet["binary"].isEmpty())
+      return;
+
+    /*const gnutls_datum_t *cert = getConnection()->getCertificate();
+
+    recvBuffer.length = cert->size;
+    recvBuffer.value = cert->data;*/
+
+    recvBuffer.value = getConnection()->getCertificate(&recvBuffer.length);
+
+    majStat = gss_get_mic(&minStat, gssContext, GSS_C_QOP_DEFAULT, &recvBuffer, &sendBuffer);
+
+    if(majStat != GSS_S_COMPLETE) {
+      gss_release_buffer(&minStat, &sendBuffer);
+      return;
+    }
+
+    Common::XmlPacket ret;
+    ret.setType("AuthGSSAPI");
+    ret.addBinary("certMic", sendBuffer.value, sendBuffer.length);
+
+    if(!sendPacket(ret)) {
+      gss_release_buffer(&minStat, &sendBuffer);
+      return;
+    }
+
+    gss_release_buffer(&minStat, &sendBuffer);
+
+    sentSignature = true;
+  }
+  else {
+    const void *pkgData;
+    packet["authToken"].getBinaryData(&pkgData, &recvBuffer.length);
+
+    recvBuffer.value = std::malloc(recvBuffer.length);
+    std::memcpy(recvBuffer.value, pkgData, recvBuffer.length);
+
+    majStat = gss_process_context_token(&minStat, gssContext, &recvBuffer);
+
+    std::free(recvBuffer.value);
+
+    if(majStat != GSS_S_COMPLETE)
+      return;
+
+    signalFinished().emit();
+  }
+}
+
+}
+}
+}
-- 
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