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C# SafeDeleteContext.DangerousRelease方法代码示例

本文整理汇总了C#中System.Net.SafeDeleteContext.DangerousRelease方法的典型用法代码示例。如果您正苦于以下问题:C# SafeDeleteContext.DangerousRelease方法的具体用法?C# SafeDeleteContext.DangerousRelease怎么用?C# SafeDeleteContext.DangerousRelease使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在System.Net.SafeDeleteContext的用法示例。


在下文中一共展示了SafeDeleteContext.DangerousRelease方法的12个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: QueryContextChannelBinding_SCHANNEL

 private static unsafe int QueryContextChannelBinding_SCHANNEL(SafeDeleteContext phContext, ContextAttribute contextAttribute, Bindings* buffer, SafeFreeContextBufferChannelBinding refHandle)
 {
     int num = -2146893055;
     bool success = false;
     RuntimeHelpers.PrepareConstrainedRegions();
     try
     {
         phContext.DangerousAddRef(ref success);
     }
     catch (Exception exception)
     {
         if (success)
         {
             phContext.DangerousRelease();
             success = false;
         }
         if (!(exception is ObjectDisposedException))
         {
             throw;
         }
     }
     finally
     {
         if (success)
         {
             num = UnsafeNclNativeMethods.SafeNetHandles_SCHANNEL.QueryContextAttributesA(ref phContext._handle, contextAttribute, (void*) buffer);
             phContext.DangerousRelease();
         }
         if ((num == 0) && (refHandle != null))
         {
             refHandle.Set(buffer.pBindings);
             refHandle.size = buffer.BindingsLength;
         }
         if ((num != 0) && (refHandle != null))
         {
             refHandle.SetHandleAsInvalid();
         }
     }
     return num;
 }
开发者ID:pritesh-mandowara-sp,项目名称:DecompliedDotNetLibraries,代码行数:40,代码来源:SafeFreeContextBufferChannelBinding.cs

示例2: DecryptMessageHelper

 private unsafe int DecryptMessageHelper(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber)
 {
     int num = -2146893055;
     bool success = false;
     uint qualityOfProtection = 0;
     RuntimeHelpers.PrepareConstrainedRegions();
     try
     {
         context.DangerousAddRef(ref success);
     }
     catch (Exception exception)
     {
         if (success)
         {
             context.DangerousRelease();
             success = false;
         }
         if (!(exception is ObjectDisposedException))
         {
             throw;
         }
     }
     finally
     {
         if (success)
         {
             num = UnsafeNclNativeMethods.NativeNTSSPI.DecryptMessage(ref context._handle, inputOutput, sequenceNumber, &qualityOfProtection);
             context.DangerousRelease();
         }
     }
     if ((num == 0) && (qualityOfProtection == 0x80000001))
     {
         throw new InvalidOperationException(SR.GetString("net_auth_message_not_encrypted"));
     }
     return num;
 }
开发者ID:pritesh-mandowara-sp,项目名称:DecompliedDotNetLibraries,代码行数:36,代码来源:SSPIAuthType.cs

示例3: SetContextAttributes_SECURITY

        private static int SetContextAttributes_SECURITY(
            SafeDeleteContext phContext,
            ContextAttribute contextAttribute,
            byte[] buffer)
        {
            int status = (int)SecurityStatus.InvalidHandle;
            bool b = false;

            // We don't want to be interrupted by thread abort exceptions or unexpected out-of-memory errors failing 
            // to jit one of the following methods. So run within a CER non-interruptible block.
            RuntimeHelpers.PrepareConstrainedRegions();
            try {
                phContext.DangerousAddRef(ref b);
            }
            catch(Exception e) {
                if (b)
                {
                    phContext.DangerousRelease();
                    b = false;
                }
                if (!(e is ObjectDisposedException))
                    throw;
            }
            finally {

                if (b)
                {
                    status = UnsafeNclNativeMethods.SafeNetHandles_SECURITY.SetContextAttributesW(
                        ref phContext._handle, contextAttribute, buffer, buffer.Length);
                    phContext.DangerousRelease();
                }
            }

            return status;
        }
开发者ID:nlh774,项目名称:DotNetReferenceSource,代码行数:35,代码来源:_SafeNetHandles.cs

示例4: QueryContextAttributes_SECURITY

        private unsafe static int QueryContextAttributes_SECURITY(
            SafeDeleteContext phContext,
            ContextAttribute contextAttribute,
            byte* buffer,
            SafeHandle refHandle)
        {
            int status = (int)SecurityStatus.InvalidHandle;
            bool b = false;

            // We don't want to be interrupted by thread abort exceptions or unexpected out-of-memory errors failing to jit
            // one of the following methods. So run within a CER non-interruptible block.
            RuntimeHelpers.PrepareConstrainedRegions();
            try {
                phContext.DangerousAddRef(ref b);
            }
            catch(Exception e) {
                if (b)
                {
                    phContext.DangerousRelease();
                    b = false;
                }
                if (!(e is ObjectDisposedException))
                    throw;
            }
            finally {

                if (b)
                {
                    status = UnsafeNclNativeMethods.SafeNetHandles_SECURITY.QueryContextAttributesW(ref phContext._handle, contextAttribute, buffer);
                    phContext.DangerousRelease();
                }

                if (status == 0 && refHandle != null) {
                    if (refHandle is SafeFreeContextBuffer) {
                        ((SafeFreeContextBuffer)refHandle).Set(*(IntPtr*)buffer);
                    }
                    else {
                        ((SafeFreeCertContext)refHandle).Set(*(IntPtr*)buffer);
                    }
                }

                if (status != 0 && refHandle != null) {
                    refHandle.SetHandleAsInvalid();
                }
            }

            return status;
        }
开发者ID:nlh774,项目名称:DotNetReferenceSource,代码行数:48,代码来源:_SafeNetHandles.cs

示例5: MustRunAcceptSecurityContext_SECURITY

        //
        // After PINvoke call the method will fix the handleTemplate.handle with the returned value.
        // The caller is responsible for creating a correct SafeFreeContextBuffer_XXX flavour or null can be passed if no handle is returned.
        //
        // Since it has a CER, this method can't have any references to imports from DLLs that may not exist on the system.
        //
        private static unsafe int MustRunAcceptSecurityContext_SECURITY(
                                                  ref SafeFreeCredentials     inCredentials,
                                                  void*            inContextPtr,
                                                  SecurityBufferDescriptor inputBuffer,
                                                  ContextFlags     inFlags,
                                                  Endianness       endianness,
                                                  SafeDeleteContext outContext,
                                                  SecurityBufferDescriptor outputBuffer,
                                                  ref ContextFlags outFlags,
                                                  SafeFreeContextBuffer handleTemplate)
        {
            int errorCode = (int) SecurityStatus.InvalidHandle;
            bool b1 = false;
            bool b2 = false;

            // Run the body of this method as a non-interruptible block.
            RuntimeHelpers.PrepareConstrainedRegions();
            try
            {
                inCredentials.DangerousAddRef(ref b1);
                outContext.DangerousAddRef(ref b2);
            }
            catch(Exception e)
            {
                if (b1)
                {
                    inCredentials.DangerousRelease();
                    b1 = false;
                }
                if (b2)
                {
                    outContext.DangerousRelease();
                    b2 = false;
                }
                if (!(e is ObjectDisposedException))
                    throw;
            }
            finally {
                SSPIHandle credentialHandle = inCredentials._handle;
                long timeStamp;

                if (!b1)
                {
                    // caller should retry
                    inCredentials = null;
                }
                else if (b1 && b2)
                {
                    errorCode = UnsafeNclNativeMethods.SafeNetHandles_SECURITY.AcceptSecurityContext(
                                ref credentialHandle,
                                inContextPtr,
                                inputBuffer,
                                inFlags,
                                endianness,
                                ref outContext._handle,
                                outputBuffer,
                                ref outFlags,
                                out timeStamp);

                    //
                    // When a credential handle is first associated with the context we keep credential
                    // ref count bumped up to ensure ordered finalization.
                    // If the credential handle has been changed we de-ref the old one and associate the
                    //  context with the new cred handle but only if the call was successful.
                    if (outContext._EffectiveCredential != inCredentials && (errorCode & 0x80000000) == 0)
                    {
                        // Disassociate the previous credential handle
                        if (outContext._EffectiveCredential != null)
                            outContext._EffectiveCredential.DangerousRelease();
                        outContext._EffectiveCredential = inCredentials;
                    }
                    else
                    {
                        inCredentials.DangerousRelease();
                    }

                    outContext.DangerousRelease();

                    // The idea is that SSPI has allocated a block and filled up outUnmanagedBuffer+8 slot with the pointer.
                    if (handleTemplate != null)
                    {
                        handleTemplate.Set(((SecurityBufferStruct*)outputBuffer.UnmanagedPointer)->token); //ATTN: on 64 BIT that is still +8 cause of 2* c++ unsigned long == 8 bytes
                        if (handleTemplate.IsInvalid)
                        {
                            handleTemplate.SetHandleAsInvalid();
                        }
                    }
                }

                if (inContextPtr == null && (errorCode & 0x80000000) != 0)
                {
                    // an error on the first call, need to set the out handle to invalid value
                    outContext._handle.SetToInvalid();
                }
//.........这里部分代码省略.........
开发者ID:nlh774,项目名称:DotNetReferenceSource,代码行数:101,代码来源:_SafeNetHandles.cs

示例6: QueryContextChannelBinding_SECURITY

        private unsafe static int QueryContextChannelBinding_SECURITY(SafeDeleteContext phContext, ContextAttribute contextAttribute, Bindings* buffer, SafeFreeContextBufferChannelBinding refHandle)
        {
            int status = (int)SecurityStatus.InvalidHandle;
            bool b = false;

            // SCHANNEL only supports SECPKG_ATTR_ENDPOINT_BINDINGS and SECPKG_ATTR_UNIQUE_BINDINGS which
            // map to our enum ChannelBindingKind.Endpoint and ChannelBindingKind.Unique.
            if (contextAttribute != ContextAttribute.EndpointBindings && contextAttribute != ContextAttribute.UniqueBindings)
            {
                return status;
            }

            // We don't want to be interrupted by thread abort exceptions or unexpected out-of-memory errors failing to jit
            // one of the following methods. So run within a CER non-interruptible block.
            RuntimeHelpers.PrepareConstrainedRegions();
            try {
                phContext.DangerousAddRef(ref b);
            }
            catch(Exception e) {
                if (b)
                {
                    phContext.DangerousRelease();
                    b = false;
                }
                if (!(e is ObjectDisposedException))
                    throw;
            }
            finally {

                if (b)
                {
                    status = UnsafeNclNativeMethods.SafeNetHandles_SECURITY.QueryContextAttributesW(ref phContext._handle, contextAttribute, buffer);
                    phContext.DangerousRelease();
                }

                if (status == 0 && refHandle != null) {
                    refHandle.Set((*buffer).pBindings);
                    refHandle.size = (*buffer).BindingsLength;
                }

                if (status != 0 && refHandle != null) {
                    refHandle.SetHandleAsInvalid();
                }
            }

            return status;
        }
开发者ID:ItsVeryWindy,项目名称:mono,代码行数:47,代码来源:_SafeNetHandles.cs

示例7: EncryptMessage

        public int EncryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber)
        {
            int status = (int)SecurityStatus.InvalidHandle;
            bool b = false;

            RuntimeHelpers.PrepareConstrainedRegions();
            try {
                context.DangerousAddRef(ref b);
            }
            catch(Exception e) {
                if (b)
                {
                    context.DangerousRelease();
                    b = false;
                }
                if (!(e is ObjectDisposedException))
                    throw;
            }
            finally {

                if (b)
                {
                    status = UnsafeNclNativeMethods.NativeNTSSPI.EncryptMessage(ref context._handle, 0, inputOutput, sequenceNumber);
                    context.DangerousRelease();
                }
            }
            return status;
        }
开发者ID:iskiselev,项目名称:JSIL.NetFramework,代码行数:28,代码来源:_NativeSSPI.cs

示例8: GetSecurityContextToken

        private static int GetSecurityContextToken(SafeDeleteContext phContext, out SafeCloseHandle safeHandle) {

            int status = (int)SecurityStatus.InvalidHandle;
            bool b = false;
            safeHandle = null;

            RuntimeHelpers.PrepareConstrainedRegions();
            try {
                phContext.DangerousAddRef(ref b);
            }
            catch (Exception e) {
                if (b) {
                    phContext.DangerousRelease();
                    b = false;
                }
                if (!(e is ObjectDisposedException))
                    throw;
            }
            finally {
                if (b) {
                    status = UnsafeNclNativeMethods.SafeNetHandles.QuerySecurityContextToken(ref phContext._handle, out safeHandle);
                    phContext.DangerousRelease();
                }
            }

            return status;
        }
开发者ID:iskiselev,项目名称:JSIL.NetFramework,代码行数:27,代码来源:_NativeSSPI.cs

示例9: DecryptMessage

        public unsafe int DecryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
            int status = (int)SecurityStatus.InvalidHandle;
            bool b = false;
            uint qop = 0;

            RuntimeHelpers.PrepareConstrainedRegions();
            try {
                context.DangerousAddRef(ref b);
            }
            catch(Exception e) {
                if (b)
                {
                    context.DangerousRelease();
                    b = false;
                }
                if (!(e is ObjectDisposedException))
                    throw;
            }
            finally {

                if (b)
                {
                    status = UnsafeNclNativeMethods.NativeNTSSPI.DecryptMessage(ref context._handle, inputOutput, sequenceNumber, &qop);
                    context.DangerousRelease();
                }
            }

            const uint SECQOP_WRAP_NO_ENCRYPT = 0x80000001;
            if (status == 0 && qop == SECQOP_WRAP_NO_ENCRYPT)
            {
                GlobalLog.Assert("NativeNTSSPI.DecryptMessage", "Expected qop = 0, returned value = " + qop.ToString("x", CultureInfo.InvariantCulture));
                throw new InvalidOperationException(SR.GetString(SR.net_auth_message_not_encrypted));
            }


            return status;
        }
开发者ID:iskiselev,项目名称:JSIL.NetFramework,代码行数:37,代码来源:_NativeSSPI.cs

示例10: VerifySignatureHelper

 private unsafe int VerifySignatureHelper(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber)
 {
     int num = -2146893055;
     bool success = false;
     uint qualityOfProtection = 0;
     RuntimeHelpers.PrepareConstrainedRegions();
     try
     {
         context.DangerousAddRef(ref success);
     }
     catch (Exception exception)
     {
         if (success)
         {
             context.DangerousRelease();
             success = false;
         }
         if (!(exception is ObjectDisposedException))
         {
             throw;
         }
     }
     finally
     {
         if (success)
         {
             num = UnsafeNclNativeMethods.NativeNTSSPI.DecryptMessage(ref context._handle, inputOutput, sequenceNumber, &qualityOfProtection);
             context.DangerousRelease();
         }
     }
     return num;
 }
开发者ID:pritesh-mandowara-sp,项目名称:DecompliedDotNetLibraries,代码行数:32,代码来源:SSPIAuthType.cs

示例11: GetSecurityContextToken

 private static int GetSecurityContextToken(SafeDeleteContext phContext, out SafeCloseHandle safeHandle)
 {
     int num = -2146893055;
     bool success = false;
     safeHandle = null;
     RuntimeHelpers.PrepareConstrainedRegions();
     try
     {
         phContext.DangerousAddRef(ref success);
     }
     catch (Exception exception)
     {
         if (success)
         {
             phContext.DangerousRelease();
             success = false;
         }
         if (!(exception is ObjectDisposedException))
         {
             throw;
         }
     }
     finally
     {
         if (success)
         {
             num = UnsafeNclNativeMethods.SafeNetHandles.QuerySecurityContextToken(ref phContext._handle, out safeHandle);
             phContext.DangerousRelease();
         }
     }
     return num;
 }
开发者ID:pritesh-mandowara-sp,项目名称:DecompliedDotNetLibraries,代码行数:32,代码来源:SSPIAuthType.cs

示例12: QueryContextAttributes_SCHANNEL

 private static unsafe int QueryContextAttributes_SCHANNEL(SafeDeleteContext phContext, ContextAttribute contextAttribute, byte* buffer, SafeHandle refHandle)
 {
     int num = -2146893055;
     bool success = false;
     RuntimeHelpers.PrepareConstrainedRegions();
     try
     {
         phContext.DangerousAddRef(ref success);
     }
     catch (Exception exception)
     {
         if (success)
         {
             phContext.DangerousRelease();
             success = false;
         }
         if (!(exception is ObjectDisposedException))
         {
             throw;
         }
     }
     finally
     {
         if (success)
         {
             num = UnsafeNclNativeMethods.SafeNetHandles_SCHANNEL.QueryContextAttributesA(ref phContext._handle, contextAttribute, (void*) buffer);
             phContext.DangerousRelease();
         }
         if ((num == 0) && (refHandle != null))
         {
             if (refHandle is SafeFreeContextBuffer)
             {
                 ((SafeFreeContextBuffer) refHandle).Set(*((IntPtr*) buffer));
             }
             else
             {
                 ((SafeFreeCertContext) refHandle).Set(*((IntPtr*) buffer));
             }
         }
         if ((num != 0) && (refHandle != null))
         {
             refHandle.SetHandleAsInvalid();
         }
     }
     return num;
 }
开发者ID:pritesh-mandowara-sp,项目名称:DecompliedDotNetLibraries,代码行数:46,代码来源:SafeFreeContextBuffer.cs


注:本文中的System.Net.SafeDeleteContext.DangerousRelease方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。