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PEP 55 Update license on source files to current license text and date

//%2003////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000, 2001, 2002  BMC Software, Hewlett-Packard Development
// Company, L. P., IBM Corp., The Open Group, Tivoli Systems.
// Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L. P.;
// IBM Corp.; EMC Corporation, The Open Group.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
// ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//==============================================================================
//
// Author: Markus Mueller (sedgewick_de@yahoo.de)
//
// Modified By: Nag Boranna, Hewlett-Packard Company (nagaraja_boranna@hp.com)
//              Roger Kumpf, Hewlett-Packard Company (roger_kumpf@hp.com)
//
//%/////////////////////////////////////////////////////////////////////////////

#ifndef Pegasus_SSLContext_h
#define Pegasus_SSLContext_h

#include <Pegasus/Common/CIMDateTime.h>
#include <Pegasus/Common/Config.h>
#include <Pegasus/Common/String.h>
#include <Pegasus/Common/Exception.h>
#include <Pegasus/Common/Linkage.h>

typedef struct x509_store_ctx_st X509_STORE_CTX;

PEGASUS_NAMESPACE_BEGIN

class SSLCertificateInfoRep;
class SSLContextRep;
class SSLSocket;
class CIMServer;
class CIMxmlIndicationHandler;


/** This class provides the interface that a client gets as argument
    to certificate verification call back function.
*/
class PEGASUS_COMMON_LINKAGE SSLCertificateInfo
{
public:

    //
    // Certificate validation result codes.
    //
    static const int    V_OK;

    static const int    V_ERR_UNABLE_TO_GET_ISSUER_CERT;
    static const int    V_ERR_UNABLE_TO_GET_CRL;
    static const int    V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE;
    static const int    V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE;
    static const int    V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY;
    static const int    V_ERR_CERT_SIGNATURE_FAILURE;
    static const int    V_ERR_CRL_SIGNATURE_FAILURE;
    static const int    V_ERR_CERT_NOT_YET_VALID;
    static const int    V_ERR_CERT_HAS_EXPIRED;
    static const int    V_ERR_CRL_NOT_YET_VALID;
    static const int    V_ERR_CRL_HAS_EXPIRED;
    static const int    V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD;
    static const int    V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD;
    static const int    V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD;
    static const int    V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD;
    static const int    V_ERR_OUT_OF_MEM;
    static const int    V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT;
    static const int    V_ERR_SELF_SIGNED_CERT_IN_CHAIN;
    static const int    V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY;
    static const int    V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE;
    static const int    V_ERR_CERT_CHAIN_TOO_LONG;
    static const int    V_ERR_CERT_REVOKED;
    static const int    V_ERR_INVALID_CA;
    static const int    V_ERR_PATH_LENGTH_EXCEEDED;
    static const int    V_ERR_INVALID_PURPOSE;
    static const int    V_ERR_CERT_UNTRUSTED;
    static const int    V_ERR_CERT_REJECTED;
    static const int    V_ERR_SUBJECT_ISSUER_MISMATCH;
    static const int    V_ERR_AKID_SKID_MISMATCH;
    static const int    V_ERR_AKID_ISSUER_SERIAL_MISMATCH;
    static const int    V_ERR_KEYUSAGE_NO_CERTSIGN;

    static const int    V_ERR_APPLICATION_VERIFICATION;


    /** Constructor for a SSLCertificateInfo object.
    Note: Do not use this constructor, instead use the private constructor.
    The constructor is not for client applications use, it is intended to be
    used only by the CIMServer.
    @param subjectName subject name of the certificate.
    @param issuerName  issuer name of the certificate.
    @param errorDepth  depth of the certificate chain.
    @param errorCode   error code from the default verification of the
    certificate by the OpenSSL library.
    @param respCode   result code from the default verification of the
    certificate by the OpenSSL library.
    */
    SSLCertificateInfo(
        const String subjectName,
        const String issuerName,
        const int errorDepth,
        const int errorCode,
        const int respCode);

    /** Copy constructor for a SSLCertificateInfo object.
    @param certificateInfo SSLCertificateInfo object to copy
    */
    SSLCertificateInfo(const SSLCertificateInfo& certificateInfo);

    ~SSLCertificateInfo();

    /** Gets the subject name of the certificate.
    @return a string containing the subject name.
    */
    String getSubjectName() const;

    /** Gets the issuer name of the certificate.
    @return a string containing the issuer name.
    */
    String getIssuerName() const;

    /** Gets the notAfter date from the validity period of 
    the certificate.
    @return a CIMDateTime containing the notAfter date.
    */
    CIMDateTime getNotAfter() const;

    /** Gets the notBefore date from the validity period of 
    the certificate.
    @return a CIMDateTime containing the notBefore date.
    */
    CIMDateTime getNotBefore() const;

    /** Gets the version (version number) from the certificate.
    @return a int containing the version.
    */
    Uint32 getVersionNumber() const;

    /** Gets the serialNumber value from the certificate.
    @return a long integer containing the serial number.
    */
    long getSerialNumber() const;

    /** Gets the depth of the certificate chain.
    @return an int containing the depth of the certificate chain
    */
    Uint32 getErrorDepth() const;

    /** Gets the pre-verify error code.
    @return an int containing the pre-verify error code 
    */
    Uint32 getErrorCode() const;

    /** Sets the error code.
    @param errorCode error code to be set
    */
    void setErrorCode(const int errorCode);

    /** Gets the pre-verify error string.
    @return a string containing the pre-verify error string
    */
    String getErrorString() const;

    /** Gets the pre-verify response code.
    @return an int containing the pre-verify response code 
    */
    Uint32 getResponseCode() const;

    /** Sets the response code.
    Note: Do not use this function, the value set using this function 
    is ignored.
    @param respCode response code to be set.
    */
    void setResponseCode(const int respCode);

private:

    /** Constructor for a SSLCertificateInfo object.
    @param subjectName subject name of the certificate.
    @param issuerName  issuer name of the certificate.
    @param version version number value from the certificate.
    @param serailNumber serial number value from the certificate.
    @param notAfter notAfter date from the validity period of the certificate.
    @param notBefore notBefore date from the validity period of the certificate.
    @param depth  depth of the certificate chain.
    @param errorCode   error code from the default verification of the
    certificate by the OpenSSL library.
    @param errorString error message from the default verification of the
    certificate by the Open SSL library.
    @param respCode   result code from the default verification of the
    certificate by the OpenSSL library.
    */
    SSLCertificateInfo(
        const String subjectName,
        const String issuerName,
        const Uint32 versionNumber,
        const long   serialNumber,
        const CIMDateTime notBefore,
        const CIMDateTime notAfter,
        const Uint32 depth,
        const Uint32 errorCode,
        const String errorString,
        const Uint32 respCode);

    SSLCertificateInfo();

    SSLCertificateInfoRep* _rep;

    friend int prepareForCallback(int, X509_STORE_CTX*);
};


typedef Boolean (SSLCertificateVerifyFunction) (SSLCertificateInfo &certInfo);

/** This class provides the interface that a client uses to create
    SSL context.

    For the OSs that don't have /dev/random device file,
    must enable PEGASUS_SSL_RANDOMFILE flag and pass
    random file name to constructor.
*/
class PEGASUS_COMMON_LINKAGE SSLContext
{
public:

    /** Constructor for a SSLContext object.
    @param trustPath file path of the trust store
    @param verifyCert  function pointer to a certificate verification
    call back function.  A null pointer indicates that no callback is
    requested for certificate verification.
    @param randomFile  file path of a random file that is used as a seed 
    for random number generation by OpenSSL.

    @exception SSLException indicates failure to create an SSL context.
    */
    SSLContext(
        const String& trustPath,
        SSLCertificateVerifyFunction* verifyCert,
        const String& randomFile = String::EMPTY);

#ifndef PEGASUS_REMOVE_DEPRECATED
    SSLContext(
        const String& certPath,
        SSLCertificateVerifyFunction* verifyCert,
        const String& randomFile,
        Boolean isCIMClient);
#endif

    SSLContext(const SSLContext& sslContext);

    ~SSLContext();

private:

    /** Constructor for a SSLContext object. This constructor is intended
    to be used by the CIMServer only.
    @param trustPath file path of the trust store.
    @param certPath  file path of the server certificate.
    @param KeyPath  file path of the private key. 
    @param verifyCert  function pointer to a certificate verification
    call back function.  A null pointer indicates that no callback is
    requested for certificate verification.
    @param randomFile  file path of a random file that is used as a seed
    for random number generation by OpenSSL.

    @exception SSLException indicates failure to create an SSL context.
    */
    SSLContext(
        const String& trustPath,
        const String& certPath,
        const String& keyPath,
        SSLCertificateVerifyFunction* verifyCert,
        const String& randomFile);

#ifndef PEGASUS_REMOVE_DEPRECATED
    SSLContext(
        const String& certPath,
        const String& certKeyPath,
        SSLCertificateVerifyFunction* verifyCert,
        const String& randomFile);
#endif

    SSLContext();

    SSLContextRep* _rep;

    friend class SSLSocket;

    friend class CIMServer;

    friend class CIMxmlIndicationHandler;
};

PEGASUS_NAMESPACE_END

#endif /* Pegasus_SSLContext_h */