Packets/80221Bundle: enhanced error message in MIHBaseTLVParser::validateType()

[senf.git] / senf / Packets / 80221Bundle / TLVParser.cc

diff --git a/senf/Packets/80221Bundle/TLVParser.cc b/senf/Packets/80221Bundle/TLVParser.cc
index cf2e41d..d677de8 100644 (file)
--- a/senf/Packets/80221Bundle/TLVParser.cc
+++ b/senf/Packets/80221Bundle/TLVParser.cc
@@ -2,23 +2,28 @@
 //
 // Copyright (C) 2007
 // Fraunhofer Institute for Open Communication Systems (FOKUS)
-// Competence Center NETwork research (NET), St. Augustin, GERMANY
-//     Thorsten Horstmann <tho@berlios.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 2 of the License, or
-// (at your option) any later version.
+// The contents of this file are subject to the Fraunhofer FOKUS Public License
+// Version 1.0 (the "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at 
+// http://senf.berlios.de/license.html
 //
-// 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.
+// The Fraunhofer FOKUS Public License Version 1.0 is based on, 
+// but modifies the Mozilla Public License Version 1.1.
+// See the full license text for the amendments.
 //
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the
-// Free Software Foundation, Inc.,
-// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+// Software distributed under the License is distributed on an "AS IS" basis, 
+// WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 
+// for the specific language governing rights and limitations under the License.
+//
+// The Original Code is Fraunhofer FOKUS code.
+//
+// The Initial Developer of the Original Code is Fraunhofer-Gesellschaft e.V. 
+// (registered association), Hansastraße 27 c, 80686 Munich, Germany.
+// All Rights Reserved.
+//
+// Contributor(s):
+//   Thorsten Horstmann <tho@berlios.de>
 
 /** \file
     \brief TLVParser non-inline non-template implementation */
@@ -27,9 +32,9 @@
 //#include "TLVParser.ih"
 
 // Custom includes
-#include <iomanip>
 #include <senf/Utils/hexdump.hh>
 #include <senf/Utils/Format.hh>
+#include "Exceptions.hh"
 
 #define prefix_
 //-/////////////////////////////////////////////////////////////////////////////////////////////////
@@ -40,6 +45,28 @@ SENF_PACKET_TLV_REGISTRY_REGISTER( senf::MIHStatusTLVParser );
 SENF_PACKET_TLV_REGISTRY_REGISTER( senf::MIHValidTimeIntervalTLVParser );
 
 //-/////////////////////////////////////////////////////////////////////////////////////////////////
+// MIHBaseTLVParser
+
+prefix_ void senf::MIHBaseTLVParser::validateType(boost::uint8_t expectedType)
+    const
+{
+    if (! check( 1 + senf::bytes(length_()) + length()) )
+        throw InvalidMIHPacketException("truncated TLV.") << " Type: " << unsigned(type())
+            << ", size:" << 1 + senf::bytes(length_()) + length()
+            << ", available: " << std::distance(i(), data().end());
+    if (type() != expectedType)
+        throw InvalidMIHPacketException("wrong TLV type. expected ") << unsigned(expectedType) << " got " << unsigned(type());
+}
+
+prefix_ void senf::MIHBaseTLVParser::validateTypeLength(boost::uint8_t expectedType, MIHTLVLengthParser::value_type expectedLength)
+    const
+{
+    validateType( expectedType);
+    if (length() != expectedLength)
+        throw InvalidMIHPacketException("invalid length in TLV.") << " Type: " << unsigned(type());
+}
+
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
 // senf::MIHBaseListTLVParser
 
 prefix_ void senf::MIHBaseListTLVParser::maxListSize(MIHTLVLengthParser::value_type maxl)
@@ -167,6 +194,13 @@ prefix_ void senf::MIHFSrcIdTLVParser::dump(std::ostream & os)
     MIHFIdTLVParser::dump(os);
 }
 
+prefix_ void senf::MIHFSrcIdTLVParser::validate()
+    const
+{
+    validateType( typeId);
+}
+
+
 //-/////////////////////////////////////////////////////////////////////////////////////////////////
 // senf::MIHFDstIdTLVParser
 
@@ -178,6 +212,12 @@ prefix_ void senf::MIHFDstIdTLVParser::dump(std::ostream & os)
     MIHFIdTLVParser::dump(os);
 }
 
+prefix_ void senf::MIHFDstIdTLVParser::validate()
+    const
+{
+    validateType( typeId);
+}
+
 //-/////////////////////////////////////////////////////////////////////////////////////////////////
 // senf::MIHStatusTLVParser
 
@@ -210,6 +250,14 @@ prefix_ void senf::MIHStatusTLVParser::dump(std::ostream & os)
     os << " (???; invalid value!)" << std::endl;
 }
 
+prefix_ void senf::MIHStatusTLVParser::validate()
+    const
+{
+    validateTypeLength( typeId, 1);
+    if (value() >= 4)
+        throw InvalidMIHPacketException("invalid value in MIHStatusTLV ") << unsigned( value());
+}
+
 //-/////////////////////////////////////////////////////////////////////////////////////////////////
 // senf::MIHRegisterReqCodeTLVParser
 
@@ -233,6 +281,14 @@ prefix_ void senf::MIHRegisterReqCodeTLVParser::dump(std::ostream & os)
     os << " (???; invalid value!)" << std::endl;
 }
 
+prefix_ void senf::MIHRegisterReqCodeTLVParser::validate()
+    const
+{
+    validateTypeLength( typeId, 1);
+    if (value() >= 2)
+        throw InvalidMIHPacketException("invalid value in MIHRegisterReqCodeTLV ") << unsigned( value());
+}
+
 //-/////////////////////////////////////////////////////////////////////////////////////////////////
 // senf::MIHValidTimeIntervalTLVParser
 
@@ -248,6 +304,12 @@ prefix_ void senf::MIHValidTimeIntervalTLVParser::dump(std::ostream & os)
        << ( value()==0 ? " (infinite)" : " seconds") << std::endl;
 }
 
+prefix_ void senf::MIHValidTimeIntervalTLVParser::validate()
+    const
+{
+    validateTypeLength( typeId, 4);
+}
+
 //-/////////////////////////////////////////////////////////////////////////////////////////////////
 // senf::MIHTLVLengthParser