コード例 #1
0
 private static extern int InitializeSecurityContext(
     ref SECURITY_HANDLE phCredential,
     ref SECURITY_HANDLE phContext,
     string pszTargetName,
     int fContextReq,
     int Reserved1,
     int TargetDataRep,
     ref SecBufferDesc SecBufferDesc,
     int Reserved2,
     out SECURITY_HANDLE phNewContext,
     out SecBufferDesc pOutput,
     out uint pfContextAttr,
     out SECURITY_INTEGER ptsExpiry);
コード例 #2
0
        public void AuthenticateClient()
        {
            bool continueProcessing = true;

            byte[]           clientBlob = null;
            byte[]           serverBlob = null;
            SECURITY_INTEGER lifetime   = new SECURITY_INTEGER(0);
            int ss;

            ss = AcquireCredentialsHandle(null, "Negotiate", SECPKG_CRED_OUTBOUND,
                                          IntPtr.Zero, IntPtr.Zero, 0, IntPtr.Zero, ref outboundCredentials,
                                          ref lifetime);
            if (ss != SEC_E_OK)
            {
                throw new MySqlException(
                          "AcquireCredentialsHandle failed with errorcode" + ss);
            }
            try
            {
                while (continueProcessing)
                {
                    InitializeClient(out clientBlob, serverBlob,
                                     out continueProcessing);
                    if (clientBlob != null && clientBlob.Length > 0)
                    {
                        WriteData(clientBlob);
                        if (continueProcessing)
                        {
                            serverBlob = ReadData();
                        }
                    }
                }
            }
            finally
            {
                FreeCredentialsHandle(ref outboundCredentials);
                DeleteSecurityContext(ref clientContext);
            }
        }
コード例 #3
0
        private void InitializeClient(out byte[] clientBlob, byte[] serverBlob,
                                      out bool continueProcessing)
        {
            clientBlob         = null;
            continueProcessing = true;
            SecBufferDesc    clientBufferDesc = new SecBufferDesc(MAX_TOKEN_SIZE);
            SECURITY_INTEGER lifetime         = new SECURITY_INTEGER(0);
            int ss = -1;

            try
            {
                uint ContextAttributes = 0;

                if (serverBlob == null)
                {
                    ss = InitializeSecurityContext(
                        ref outboundCredentials,
                        IntPtr.Zero,
                        targetName,
                        STANDARD_CONTEXT_ATTRIBUTES,
                        0,
                        SECURITY_NETWORK_DREP,
                        IntPtr.Zero, /* always zero first time around */
                        0,
                        out clientContext,
                        out clientBufferDesc,
                        out ContextAttributes,
                        out lifetime);
                }
                else
                {
                    String s = System.Text.Encoding.UTF8.GetString(serverBlob, 0,
                                                                   serverBlob.Length);
                    SecBufferDesc serverBufferDesc = new SecBufferDesc(serverBlob);

                    try
                    {
                        ss = InitializeSecurityContext(ref outboundCredentials,
                                                       ref clientContext,
                                                       targetName,
                                                       STANDARD_CONTEXT_ATTRIBUTES,
                                                       0,
                                                       SECURITY_NETWORK_DREP,
                                                       ref serverBufferDesc,
                                                       0,
                                                       out clientContext,
                                                       out clientBufferDesc,
                                                       out ContextAttributes,
                                                       out lifetime);
                    }
                    finally
                    {
                        serverBufferDesc.Dispose();
                    }
                }

                if ((SEC_I_COMPLETE_NEEDED == ss) ||
                    (SEC_I_COMPLETE_AND_CONTINUE == ss))
                {
                    CompleteAuthToken(ref clientContext, ref clientBufferDesc);
                }

                if (ss != SEC_E_OK &&
                    ss != SEC_I_CONTINUE_NEEDED &&
                    ss != SEC_I_COMPLETE_NEEDED &&
                    ss != SEC_I_COMPLETE_AND_CONTINUE)
                {
                    throw new MySqlException(
                              "InitializeSecurityContext() failed  with errorcode " + ss);
                }

                clientBlob = clientBufferDesc.GetSecBufferByteArray();
            }
            finally
            {
                clientBufferDesc.Dispose();
            }
            continueProcessing = (ss != SEC_E_OK && ss != SEC_I_COMPLETE_NEEDED);
        }
コード例 #4
0
        private void InitializeClient(out byte[] clientBlob, byte[] serverBlob,
            out bool continueProcessing)
        {
            clientBlob = null;
            continueProcessing = true;
            SecBufferDesc clientBufferDesc = new SecBufferDesc(MAX_TOKEN_SIZE);
            SECURITY_INTEGER lifetime = new SECURITY_INTEGER(0);
            int ss = -1;
            try
            {
                uint ContextAttributes = 0;

                if (serverBlob == null)
                {
                    ss = InitializeSecurityContext(
                        ref outboundCredentials,
                        IntPtr.Zero,
                        targetName,
                        STANDARD_CONTEXT_ATTRIBUTES,
                        0,
                        SECURITY_NETWORK_DREP,
                        IntPtr.Zero, /* always zero first time around */
                        0,
                        out clientContext,
                        out clientBufferDesc,
                        out ContextAttributes,
                        out lifetime);
                }
                else
                {
                    String s = System.Text.Encoding.UTF8.GetString(serverBlob, 0,
                        serverBlob.Length);
                    SecBufferDesc serverBufferDesc = new SecBufferDesc(serverBlob);

                    try
                    {
                        ss = InitializeSecurityContext(ref outboundCredentials,
                            ref clientContext,
                            targetName,
                            STANDARD_CONTEXT_ATTRIBUTES,
                            0,
                            SECURITY_NETWORK_DREP,
                            ref serverBufferDesc,
                            0,
                            out clientContext,
                            out clientBufferDesc,
                            out ContextAttributes,
                            out lifetime);
                    }
                    finally
                    {
                        serverBufferDesc.Dispose();
                    }
                }

                if ((SEC_I_COMPLETE_NEEDED == ss)
                    || (SEC_I_COMPLETE_AND_CONTINUE == ss))
                {
                    CompleteAuthToken(ref clientContext, ref clientBufferDesc);
                }

                if (ss != SEC_E_OK &&
                    ss != SEC_I_CONTINUE_NEEDED &&
                    ss != SEC_I_COMPLETE_NEEDED &&
                    ss != SEC_I_COMPLETE_AND_CONTINUE)
                {
                    throw new MySqlException(
                        "InitializeSecurityContext() failed  with errorcode " + ss);
                }

                clientBlob = clientBufferDesc.GetSecBufferByteArray();
            }
            finally
            {
                clientBufferDesc.Dispose();
            }
            continueProcessing = (ss != SEC_E_OK && ss != SEC_I_COMPLETE_NEEDED);
        }
コード例 #5
0
 private static extern int InitializeSecurityContext(
     ref SECURITY_HANDLE phCredential,
     ref SECURITY_HANDLE phContext,
     string pszTargetName,
     int fContextReq,
     int Reserved1,
     int TargetDataRep,
     ref SecBufferDesc SecBufferDesc,
     int Reserved2,
     out SECURITY_HANDLE phNewContext,
     out SecBufferDesc pOutput,
     out uint pfContextAttr,
     out SECURITY_INTEGER ptsExpiry);
コード例 #6
0
 private static extern int AcquireCredentialsHandle(
     string pszPrincipal,
     string pszPackage,
     int fCredentialUse,
     IntPtr PAuthenticationID,
     IntPtr pAuthData,
     int pGetKeyFn,
     IntPtr pvGetKeyArgument,
     ref SECURITY_HANDLE phCredential,
     ref SECURITY_INTEGER ptsExpiry);
コード例 #7
0
        public void AuthenticateClient()
        {
            bool continueProcessing = true;
            byte[] clientBlob = null;
            byte[] serverBlob = null;
            SECURITY_INTEGER lifetime = new SECURITY_INTEGER(0);
            int ss;

            ss = AcquireCredentialsHandle(null, "Negotiate", SECPKG_CRED_OUTBOUND,
                  IntPtr.Zero, IntPtr.Zero, 0, IntPtr.Zero, ref outboundCredentials,
                  ref lifetime);
            if (ss != SEC_E_OK)
            {
                throw new MySqlException(
                    "AcquireCredentialsHandle failed with errorcode" + ss);
            }
            try
            {
                while (continueProcessing)
                {
                    InitializeClient(out clientBlob, serverBlob,
                        out continueProcessing);
                    if (clientBlob != null && clientBlob.Length > 0)
                    {
                        WriteData(clientBlob);
                        if (continueProcessing)
                            serverBlob = ReadData();
                    }
                }
            }
            finally
            {
                FreeCredentialsHandle(ref outboundCredentials);
                DeleteSecurityContext(ref clientContext);
            }
        }