00001 /* 00002 * 00003 * Copyright (C) 1998-2010, OFFIS e.V. 00004 * All rights reserved. See COPYRIGHT file for details. 00005 * 00006 * This software and supporting documentation were developed by 00007 * 00008 * OFFIS e.V. 00009 * R&D Division Health 00010 * Escherweg 2 00011 * D-26121 Oldenburg, Germany 00012 * 00013 * 00014 * Module: dcmnet 00015 * 00016 * Author: Marco Eichelberg 00017 * 00018 * Purpose: 00019 * classes: DcmTransportConnection 00020 * 00021 * Last Update: $Author: joergr $ 00022 * Update Date: $Date: 2010-10-14 13:17:27 $ 00023 * CVS/RCS Revision: $Revision: 1.9 $ 00024 * Status: $State: Exp $ 00025 * 00026 * CVS/RCS Log at end of file 00027 * 00028 */ 00029 00030 #ifndef TLSTRANS_H 00031 #define TLSTRANS_H 00032 00033 #include "dcmtk/config/osconfig.h" /* make sure OS specific configuration is included first */ 00034 #include "dcmtk/dcmnet/dcmtrans.h" /* for DcmTransportConnection */ 00035 #include "dcmtk/ofstd/ofstream.h" /* for ostream */ 00036 00037 #ifdef WITH_OPENSSL 00038 00039 BEGIN_EXTERN_C 00040 #include <openssl/ssl.h> 00041 END_EXTERN_C 00042 00043 00047 class DcmTLSConnection: public DcmTransportConnection 00048 { 00049 public: 00050 00058 DcmTLSConnection(int openSocket, SSL *newTLSConnection); 00059 00062 virtual ~DcmTLSConnection(); 00063 00069 virtual DcmTransportLayerStatus serverSideHandshake(); 00070 00076 virtual DcmTransportLayerStatus clientSideHandshake(); 00077 00084 virtual DcmTransportLayerStatus renegotiate(const char *newSuite); 00085 00092 virtual ssize_t read(void *buf, size_t nbyte); 00093 00100 virtual ssize_t write(void *buf, size_t nbyte); 00101 00106 virtual void close(); 00107 00111 virtual unsigned long getPeerCertificateLength(); 00112 00113 /* copies the peer certificate of a secure connection into a buffer 00114 * specified by the caller. If the buffer is too small to hold the 00115 * certificate, nothing is copied and zero is returned. 00116 * @param buf buffer into which the certificate is written 00117 * @param bufLen size of the buffer in bytes 00118 * @return number of bytes written, always less or equal bufLen. 00119 */ 00120 virtual unsigned long getPeerCertificate(void *buf, unsigned long bufLen); 00121 00127 virtual OFBool networkDataAvailable(int timeout); 00128 00132 virtual OFBool isTransparentConnection(); 00133 00138 virtual OFString& dumpConnectionParameters(OFString& str); 00139 00144 virtual const char *errorString(DcmTransportLayerStatus code); 00145 00146 private: 00147 00149 DcmTLSConnection(const DcmTLSConnection&); 00150 00152 DcmTLSConnection& operator=(const DcmTLSConnection&); 00153 00155 SSL *tlsConnection; 00156 00158 unsigned long lastError; 00159 }; 00160 00161 #endif /* WITH_OPENSSL */ 00162 00163 #endif 00164 00165 /* 00166 * $Log: tlstrans.h,v $ 00167 * Revision 1.9 2010-10-14 13:17:27 joergr 00168 * Updated copyright header. Added reference to COPYRIGHT file. 00169 * 00170 * Revision 1.8 2009-11-18 12:11:19 uli 00171 * Switched to logging mechanism provided by the "new" oflog module. 00172 * 00173 * Revision 1.7 2006-08-15 16:02:55 meichel 00174 * Updated the code in module dcmtls to correctly compile when 00175 * all standard C++ classes remain in namespace std. 00176 * 00177 * Revision 1.6 2005/12/08 16:05:39 meichel 00178 * Changed include path schema for all DCMTK header files 00179 * 00180 * Revision 1.5 2003/12/05 10:38:55 joergr 00181 * Removed leading underscore characters from preprocessor symbols (reserved 00182 * symbols). 00183 * 00184 * Revision 1.4 2003/07/04 13:28:32 meichel 00185 * Added include for ofstream.h, to make sure ofstream is correctly defined 00186 * 00187 * Revision 1.3 2001/06/01 15:51:12 meichel 00188 * Updated copyright header 00189 * 00190 * Revision 1.2 2000/10/10 12:13:32 meichel 00191 * Added routines for printing certificates and connection parameters. 00192 * 00193 * Revision 1.1 2000/08/10 14:50:27 meichel 00194 * Added initial OpenSSL support. 00195 * 00196 * 00197 */ 00198