Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / Net / System / Net / _NativeSSPI.cs / 1 / _NativeSSPI.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Net { using System.Net.Sockets; using System.Runtime.InteropServices; using System.Runtime.CompilerServices; using System.Runtime.ConstrainedExecution; using System.Globalization; // need a global so we can pass the interfaces as variables, // is there a better way? internal static class GlobalSSPI { internal static SSPIInterface SSPIAuth = new SSPIAuthType(); internal static SSPIInterface SSPISecureChannel = new SSPISecureChannelType(); } // used to define the interface for security to use. internal interface SSPIInterface { SecurityPackageInfoClass[] SecurityPackages { get; set; } int EnumerateSecurityPackages(out int pkgnum, out SafeFreeContextBuffer pkgArray); int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref AuthIdentity authdata, out SafeFreeCredentials outCredential); int AcquireDefaultCredential(string moduleName, CredentialUse usage, out SafeFreeCredentials outCredential); int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref SecureCredential authdata, out SafeFreeCredentials outCredential); int AcceptSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer inputBuffer, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags); int AcceptSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer[] inputBuffers, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags); int InitializeSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer inputBuffer, SecurityBuffer outputBuffer, ref ContextFlags outFlags); int InitializeSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer[] inputBuffers, SecurityBuffer outputBuffer, ref ContextFlags outFlags); int EncryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber); int DecryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber); int MakeSignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber); int VerifySignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber); int QueryContextAttributes(SafeDeleteContext phContext, ContextAttribute attribute, byte[] buffer, Type handleType, out SafeHandle refHandle); int QuerySecurityContextToken(SafeDeleteContext phContext, out SafeCloseHandle phToken); int CompleteAuthToken(ref SafeDeleteContext refContext, SecurityBuffer[] inputBuffers); } // For SSL connections: // on Win9x use schannel.dll, on NT we don't care, since its the same DLL internal class SSPISecureChannelType : SSPIInterface { private static readonly SecurDll Library = ComNetOS.IsWin9x ? SecurDll.SCHANNEL : SecurDll.SECURITY; private static SecurityPackageInfoClass[] m_SecurityPackages; public SecurityPackageInfoClass[] SecurityPackages { get { return m_SecurityPackages; } set { m_SecurityPackages = value; } } public int EnumerateSecurityPackages(out int pkgnum, out SafeFreeContextBuffer pkgArray) { GlobalLog.Print("SSPISecureChannelType::EnumerateSecurityPackages()"); return SafeFreeContextBuffer.EnumeratePackages(Library, out pkgnum, out pkgArray); } public int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref AuthIdentity authdata, out SafeFreeCredentials outCredential) { return SafeFreeCredentials.AcquireCredentialsHandle(Library, moduleName, usage, ref authdata, out outCredential); } public int AcquireDefaultCredential(string moduleName, CredentialUse usage, out SafeFreeCredentials outCredential) { return SafeFreeCredentials.AcquireDefaultCredential(Library, moduleName, usage, out outCredential); } public int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref SecureCredential authdata, out SafeFreeCredentials outCredential) { return SafeFreeCredentials.AcquireCredentialsHandle(Library, moduleName, usage, ref authdata, out outCredential); } public int AcceptSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer inputBuffer, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags) { return SafeDeleteContext.AcceptSecurityContext(Library, ref credential, ref context, inFlags, endianness, inputBuffer, null, outputBuffer, ref outFlags); } public int AcceptSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer[] inputBuffers, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags) { return SafeDeleteContext.AcceptSecurityContext(Library, ref credential, ref context, inFlags, endianness, null, inputBuffers, outputBuffer, ref outFlags); } public int InitializeSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer inputBuffer, SecurityBuffer outputBuffer, ref ContextFlags outFlags) { return SafeDeleteContext.InitializeSecurityContext(Library, ref credential, ref context, targetName, inFlags, endianness, inputBuffer, null, outputBuffer, ref outFlags); } public int InitializeSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer[] inputBuffers, SecurityBuffer outputBuffer, ref ContextFlags outFlags) { return SafeDeleteContext.InitializeSecurityContext(Library, ref credential, ref context, targetName, inFlags, endianness, null, inputBuffers, outputBuffer, ref outFlags); } private int EncryptMessageHelper9x(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; } catch { if (b) { context.DangerousRelease(); b = false; } throw; } finally { if (b) { status = UnsafeNclNativeMethods.NativeSSLWin9xSSPI.SealMessage(ref context._handle, 0, inputOutput, sequenceNumber); context.DangerousRelease(); } } return status; } private int EncryptMessageHelper(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; } catch { if (b) { context.DangerousRelease(); b = false; } throw; } finally { if (b) { status = UnsafeNclNativeMethods.NativeNTSSPI.EncryptMessage(ref context._handle, 0, inputOutput, sequenceNumber); context.DangerousRelease(); } } return status; } //this ----s, but its the only way to get around the constrained region requirements public int EncryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) { if (ComNetOS.IsWin9x){ return EncryptMessageHelper9x(context,inputOutput,sequenceNumber); } else{ return EncryptMessageHelper(context,inputOutput,sequenceNumber); } } private int DecryptMessageHelper9x(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; } catch { if (b) { context.DangerousRelease(); b = false; } throw; } finally { if (b) { status = UnsafeNclNativeMethods.NativeSSLWin9xSSPI.UnsealMessage(ref context._handle, inputOutput, IntPtr.Zero, sequenceNumber); context.DangerousRelease(); } } return status; } private unsafe int DecryptMessageHelper(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; } catch { if (b) { context.DangerousRelease(); b = false; } throw; } finally { if (b) { status = UnsafeNclNativeMethods.NativeNTSSPI.DecryptMessage(ref context._handle, inputOutput, sequenceNumber, null); context.DangerousRelease(); } } return status; } public int DecryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) { if (ComNetOS.IsWin9x){ return DecryptMessageHelper9x(context,inputOutput,sequenceNumber); } else{ return DecryptMessageHelper(context,inputOutput,sequenceNumber); } } public int MakeSignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) { throw ExceptionHelper.MethodNotSupportedException; } public int VerifySignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) { throw ExceptionHelper.MethodNotSupportedException; } public unsafe int QueryContextAttributes(SafeDeleteContext phContext, ContextAttribute attribute, byte[] buffer, Type handleType, out SafeHandle refHandle) { refHandle = null; if (handleType != null) { if (handleType == typeof(SafeFreeContextBuffer)) { refHandle = SafeFreeContextBuffer.CreateEmptyHandle(Library); } else if (handleType == typeof(SafeFreeCertContext)) { refHandle = new SafeFreeCertContext(); } else { throw new ArgumentException(SR.GetString(SR.SSPIInvalidHandleType, handleType.FullName), "handleType"); } } fixed (byte* bufferPtr = buffer) { return SafeFreeContextBuffer.QueryContextAttributes(Library, phContext, attribute, bufferPtr, refHandle); } } public int QuerySecurityContextToken(SafeDeleteContext phContext, out SafeCloseHandle phToken) { throw new NotSupportedException(); } public int CompleteAuthToken(ref SafeDeleteContext refContext, SecurityBuffer[] inputBuffers) { throw new NotSupportedException(); } } // For Authentication (Kerberos, NTLM, Negotiate and WDigest): // on Win9x use schannel.dll, on NT we don't care, since its the same DLL internal class SSPIAuthType : SSPIInterface { private static readonly SecurDll Library = ComNetOS.IsWin9x ? SecurDll.SECUR32 : SecurDll.SECURITY; private static SecurityPackageInfoClass[] m_SecurityPackages; public SecurityPackageInfoClass[] SecurityPackages { get { return m_SecurityPackages; } set { m_SecurityPackages = value; } } public int EnumerateSecurityPackages(out int pkgnum, out SafeFreeContextBuffer pkgArray) { GlobalLog.Print("SSPIAuthType::EnumerateSecurityPackages()"); return SafeFreeContextBuffer.EnumeratePackages(Library, out pkgnum, out pkgArray); } public int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref AuthIdentity authdata, out SafeFreeCredentials outCredential) { return SafeFreeCredentials.AcquireCredentialsHandle(Library, moduleName, usage, ref authdata, out outCredential); } public int AcquireDefaultCredential(string moduleName, CredentialUse usage, out SafeFreeCredentials outCredential) { return SafeFreeCredentials.AcquireDefaultCredential(Library, moduleName, usage, out outCredential); } public int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref SecureCredential authdata, out SafeFreeCredentials outCredential) { return SafeFreeCredentials.AcquireCredentialsHandle(Library, moduleName, usage, ref authdata, out outCredential); } public int AcceptSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer inputBuffer, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags) { return SafeDeleteContext.AcceptSecurityContext(Library, ref credential, ref context, inFlags, endianness, inputBuffer, null, outputBuffer, ref outFlags); } public int AcceptSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer[] inputBuffers, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags) { return SafeDeleteContext.AcceptSecurityContext(Library, ref credential, ref context, inFlags, endianness, null, inputBuffers, outputBuffer, ref outFlags); } public int InitializeSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer inputBuffer, SecurityBuffer outputBuffer, ref ContextFlags outFlags) { return SafeDeleteContext.InitializeSecurityContext(Library, ref credential, ref context, targetName, inFlags, endianness, inputBuffer, null, outputBuffer, ref outFlags); } public int InitializeSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer[] inputBuffers, SecurityBuffer outputBuffer, ref ContextFlags outFlags) { return SafeDeleteContext.InitializeSecurityContext(Library, ref credential, ref context, targetName, inFlags, endianness, null, inputBuffers, outputBuffer, ref outFlags); } private int EncryptMessageHelper(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; } catch { if (b) { context.DangerousRelease(); b = false; } throw; } finally { if (b) { status = UnsafeNclNativeMethods.NativeNTSSPI.EncryptMessage(ref context._handle, 0, inputOutput, sequenceNumber); context.DangerousRelease(); } } return status; } public int EncryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) { if (ComNetOS.IsWin9x){ throw ExceptionHelper.MethodNotImplementedException; } else{ return EncryptMessageHelper(context,inputOutput,sequenceNumber); } } private unsafe int DecryptMessageHelper(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; } catch { if (b) { context.DangerousRelease(); b = false; } 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; } public int DecryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) { if (ComNetOS.IsWin9x){ throw ExceptionHelper.MethodNotImplementedException; } else{ return DecryptMessageHelper(context,inputOutput,sequenceNumber); } } private int MakeSignatureHelper(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; } catch { if (b) { context.DangerousRelease(); b = false; } throw; } finally { if (b) { const uint SECQOP_WRAP_NO_ENCRYPT = 0x80000001; status = UnsafeNclNativeMethods.NativeNTSSPI.EncryptMessage(ref context._handle, SECQOP_WRAP_NO_ENCRYPT, inputOutput, sequenceNumber); context.DangerousRelease(); } } return status; } public int MakeSignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) { if (ComNetOS.IsWin9x){ throw ExceptionHelper.MethodNotImplementedException; } else{ return MakeSignatureHelper(context,inputOutput,sequenceNumber); } } private unsafe int VerifySignatureHelper(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; } catch { if (b) { context.DangerousRelease(); b = false; } throw; } finally { if (b) { status = UnsafeNclNativeMethods.NativeNTSSPI.DecryptMessage(ref context._handle, inputOutput, sequenceNumber, &qop); context.DangerousRelease(); } } return status; } public int VerifySignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) { if (ComNetOS.IsWin9x){ throw ExceptionHelper.MethodNotImplementedException; } else{ return VerifySignatureHelper(context,inputOutput,sequenceNumber); } } public unsafe int QueryContextAttributes(SafeDeleteContext context, ContextAttribute attribute, byte[] buffer, Type handleType, out SafeHandle refHandle) { refHandle = null; if (handleType != null) { if (handleType == typeof(SafeFreeContextBuffer)) { refHandle = SafeFreeContextBuffer.CreateEmptyHandle(Library); } else if (handleType == typeof(SafeFreeCertContext)) { refHandle = new SafeFreeCertContext(); } else { throw new ArgumentException(SR.GetString(SR.SSPIInvalidHandleType, handleType.FullName), "handleType"); } } fixed (byte* bufferPtr = buffer) { return SafeFreeContextBuffer.QueryContextAttributes(Library, context, attribute, bufferPtr, refHandle); } } public int QuerySecurityContextToken(SafeDeleteContext phContext, out SafeCloseHandle phToken) { if (ComNetOS.IsWin9x) { throw new NotSupportedException(); } else { return SafeCloseHandle.GetSecurityContextToken(phContext, out phToken); } } public int CompleteAuthToken(ref SafeDeleteContext refContext, SecurityBuffer[] inputBuffers) { if (ComNetOS.IsWin9x) { throw new NotSupportedException(); } else { return SafeDeleteContext.CompleteAuthToken(Library, ref refContext, inputBuffers); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Net { using System.Net.Sockets; using System.Runtime.InteropServices; using System.Runtime.CompilerServices; using System.Runtime.ConstrainedExecution; using System.Globalization; // need a global so we can pass the interfaces as variables, // is there a better way? internal static class GlobalSSPI { internal static SSPIInterface SSPIAuth = new SSPIAuthType(); internal static SSPIInterface SSPISecureChannel = new SSPISecureChannelType(); } // used to define the interface for security to use. internal interface SSPIInterface { SecurityPackageInfoClass[] SecurityPackages { get; set; } int EnumerateSecurityPackages(out int pkgnum, out SafeFreeContextBuffer pkgArray); int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref AuthIdentity authdata, out SafeFreeCredentials outCredential); int AcquireDefaultCredential(string moduleName, CredentialUse usage, out SafeFreeCredentials outCredential); int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref SecureCredential authdata, out SafeFreeCredentials outCredential); int AcceptSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer inputBuffer, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags); int AcceptSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer[] inputBuffers, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags); int InitializeSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer inputBuffer, SecurityBuffer outputBuffer, ref ContextFlags outFlags); int InitializeSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer[] inputBuffers, SecurityBuffer outputBuffer, ref ContextFlags outFlags); int EncryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber); int DecryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber); int MakeSignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber); int VerifySignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber); int QueryContextAttributes(SafeDeleteContext phContext, ContextAttribute attribute, byte[] buffer, Type handleType, out SafeHandle refHandle); int QuerySecurityContextToken(SafeDeleteContext phContext, out SafeCloseHandle phToken); int CompleteAuthToken(ref SafeDeleteContext refContext, SecurityBuffer[] inputBuffers); } // For SSL connections: // on Win9x use schannel.dll, on NT we don't care, since its the same DLL internal class SSPISecureChannelType : SSPIInterface { private static readonly SecurDll Library = ComNetOS.IsWin9x ? SecurDll.SCHANNEL : SecurDll.SECURITY; private static SecurityPackageInfoClass[] m_SecurityPackages; public SecurityPackageInfoClass[] SecurityPackages { get { return m_SecurityPackages; } set { m_SecurityPackages = value; } } public int EnumerateSecurityPackages(out int pkgnum, out SafeFreeContextBuffer pkgArray) { GlobalLog.Print("SSPISecureChannelType::EnumerateSecurityPackages()"); return SafeFreeContextBuffer.EnumeratePackages(Library, out pkgnum, out pkgArray); } public int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref AuthIdentity authdata, out SafeFreeCredentials outCredential) { return SafeFreeCredentials.AcquireCredentialsHandle(Library, moduleName, usage, ref authdata, out outCredential); } public int AcquireDefaultCredential(string moduleName, CredentialUse usage, out SafeFreeCredentials outCredential) { return SafeFreeCredentials.AcquireDefaultCredential(Library, moduleName, usage, out outCredential); } public int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref SecureCredential authdata, out SafeFreeCredentials outCredential) { return SafeFreeCredentials.AcquireCredentialsHandle(Library, moduleName, usage, ref authdata, out outCredential); } public int AcceptSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer inputBuffer, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags) { return SafeDeleteContext.AcceptSecurityContext(Library, ref credential, ref context, inFlags, endianness, inputBuffer, null, outputBuffer, ref outFlags); } public int AcceptSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer[] inputBuffers, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags) { return SafeDeleteContext.AcceptSecurityContext(Library, ref credential, ref context, inFlags, endianness, null, inputBuffers, outputBuffer, ref outFlags); } public int InitializeSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer inputBuffer, SecurityBuffer outputBuffer, ref ContextFlags outFlags) { return SafeDeleteContext.InitializeSecurityContext(Library, ref credential, ref context, targetName, inFlags, endianness, inputBuffer, null, outputBuffer, ref outFlags); } public int InitializeSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer[] inputBuffers, SecurityBuffer outputBuffer, ref ContextFlags outFlags) { return SafeDeleteContext.InitializeSecurityContext(Library, ref credential, ref context, targetName, inFlags, endianness, null, inputBuffers, outputBuffer, ref outFlags); } private int EncryptMessageHelper9x(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; } catch { if (b) { context.DangerousRelease(); b = false; } throw; } finally { if (b) { status = UnsafeNclNativeMethods.NativeSSLWin9xSSPI.SealMessage(ref context._handle, 0, inputOutput, sequenceNumber); context.DangerousRelease(); } } return status; } private int EncryptMessageHelper(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; } catch { if (b) { context.DangerousRelease(); b = false; } throw; } finally { if (b) { status = UnsafeNclNativeMethods.NativeNTSSPI.EncryptMessage(ref context._handle, 0, inputOutput, sequenceNumber); context.DangerousRelease(); } } return status; } //this ----s, but its the only way to get around the constrained region requirements public int EncryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) { if (ComNetOS.IsWin9x){ return EncryptMessageHelper9x(context,inputOutput,sequenceNumber); } else{ return EncryptMessageHelper(context,inputOutput,sequenceNumber); } } private int DecryptMessageHelper9x(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; } catch { if (b) { context.DangerousRelease(); b = false; } throw; } finally { if (b) { status = UnsafeNclNativeMethods.NativeSSLWin9xSSPI.UnsealMessage(ref context._handle, inputOutput, IntPtr.Zero, sequenceNumber); context.DangerousRelease(); } } return status; } private unsafe int DecryptMessageHelper(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; } catch { if (b) { context.DangerousRelease(); b = false; } throw; } finally { if (b) { status = UnsafeNclNativeMethods.NativeNTSSPI.DecryptMessage(ref context._handle, inputOutput, sequenceNumber, null); context.DangerousRelease(); } } return status; } public int DecryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) { if (ComNetOS.IsWin9x){ return DecryptMessageHelper9x(context,inputOutput,sequenceNumber); } else{ return DecryptMessageHelper(context,inputOutput,sequenceNumber); } } public int MakeSignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) { throw ExceptionHelper.MethodNotSupportedException; } public int VerifySignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) { throw ExceptionHelper.MethodNotSupportedException; } public unsafe int QueryContextAttributes(SafeDeleteContext phContext, ContextAttribute attribute, byte[] buffer, Type handleType, out SafeHandle refHandle) { refHandle = null; if (handleType != null) { if (handleType == typeof(SafeFreeContextBuffer)) { refHandle = SafeFreeContextBuffer.CreateEmptyHandle(Library); } else if (handleType == typeof(SafeFreeCertContext)) { refHandle = new SafeFreeCertContext(); } else { throw new ArgumentException(SR.GetString(SR.SSPIInvalidHandleType, handleType.FullName), "handleType"); } } fixed (byte* bufferPtr = buffer) { return SafeFreeContextBuffer.QueryContextAttributes(Library, phContext, attribute, bufferPtr, refHandle); } } public int QuerySecurityContextToken(SafeDeleteContext phContext, out SafeCloseHandle phToken) { throw new NotSupportedException(); } public int CompleteAuthToken(ref SafeDeleteContext refContext, SecurityBuffer[] inputBuffers) { throw new NotSupportedException(); } } // For Authentication (Kerberos, NTLM, Negotiate and WDigest): // on Win9x use schannel.dll, on NT we don't care, since its the same DLL internal class SSPIAuthType : SSPIInterface { private static readonly SecurDll Library = ComNetOS.IsWin9x ? SecurDll.SECUR32 : SecurDll.SECURITY; private static SecurityPackageInfoClass[] m_SecurityPackages; public SecurityPackageInfoClass[] SecurityPackages { get { return m_SecurityPackages; } set { m_SecurityPackages = value; } } public int EnumerateSecurityPackages(out int pkgnum, out SafeFreeContextBuffer pkgArray) { GlobalLog.Print("SSPIAuthType::EnumerateSecurityPackages()"); return SafeFreeContextBuffer.EnumeratePackages(Library, out pkgnum, out pkgArray); } public int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref AuthIdentity authdata, out SafeFreeCredentials outCredential) { return SafeFreeCredentials.AcquireCredentialsHandle(Library, moduleName, usage, ref authdata, out outCredential); } public int AcquireDefaultCredential(string moduleName, CredentialUse usage, out SafeFreeCredentials outCredential) { return SafeFreeCredentials.AcquireDefaultCredential(Library, moduleName, usage, out outCredential); } public int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref SecureCredential authdata, out SafeFreeCredentials outCredential) { return SafeFreeCredentials.AcquireCredentialsHandle(Library, moduleName, usage, ref authdata, out outCredential); } public int AcceptSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer inputBuffer, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags) { return SafeDeleteContext.AcceptSecurityContext(Library, ref credential, ref context, inFlags, endianness, inputBuffer, null, outputBuffer, ref outFlags); } public int AcceptSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer[] inputBuffers, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags) { return SafeDeleteContext.AcceptSecurityContext(Library, ref credential, ref context, inFlags, endianness, null, inputBuffers, outputBuffer, ref outFlags); } public int InitializeSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer inputBuffer, SecurityBuffer outputBuffer, ref ContextFlags outFlags) { return SafeDeleteContext.InitializeSecurityContext(Library, ref credential, ref context, targetName, inFlags, endianness, inputBuffer, null, outputBuffer, ref outFlags); } public int InitializeSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer[] inputBuffers, SecurityBuffer outputBuffer, ref ContextFlags outFlags) { return SafeDeleteContext.InitializeSecurityContext(Library, ref credential, ref context, targetName, inFlags, endianness, null, inputBuffers, outputBuffer, ref outFlags); } private int EncryptMessageHelper(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; } catch { if (b) { context.DangerousRelease(); b = false; } throw; } finally { if (b) { status = UnsafeNclNativeMethods.NativeNTSSPI.EncryptMessage(ref context._handle, 0, inputOutput, sequenceNumber); context.DangerousRelease(); } } return status; } public int EncryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) { if (ComNetOS.IsWin9x){ throw ExceptionHelper.MethodNotImplementedException; } else{ return EncryptMessageHelper(context,inputOutput,sequenceNumber); } } private unsafe int DecryptMessageHelper(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; } catch { if (b) { context.DangerousRelease(); b = false; } 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; } public int DecryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) { if (ComNetOS.IsWin9x){ throw ExceptionHelper.MethodNotImplementedException; } else{ return DecryptMessageHelper(context,inputOutput,sequenceNumber); } } private int MakeSignatureHelper(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; } catch { if (b) { context.DangerousRelease(); b = false; } throw; } finally { if (b) { const uint SECQOP_WRAP_NO_ENCRYPT = 0x80000001; status = UnsafeNclNativeMethods.NativeNTSSPI.EncryptMessage(ref context._handle, SECQOP_WRAP_NO_ENCRYPT, inputOutput, sequenceNumber); context.DangerousRelease(); } } return status; } public int MakeSignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) { if (ComNetOS.IsWin9x){ throw ExceptionHelper.MethodNotImplementedException; } else{ return MakeSignatureHelper(context,inputOutput,sequenceNumber); } } private unsafe int VerifySignatureHelper(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; } catch { if (b) { context.DangerousRelease(); b = false; } throw; } finally { if (b) { status = UnsafeNclNativeMethods.NativeNTSSPI.DecryptMessage(ref context._handle, inputOutput, sequenceNumber, &qop); context.DangerousRelease(); } } return status; } public int VerifySignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) { if (ComNetOS.IsWin9x){ throw ExceptionHelper.MethodNotImplementedException; } else{ return VerifySignatureHelper(context,inputOutput,sequenceNumber); } } public unsafe int QueryContextAttributes(SafeDeleteContext context, ContextAttribute attribute, byte[] buffer, Type handleType, out SafeHandle refHandle) { refHandle = null; if (handleType != null) { if (handleType == typeof(SafeFreeContextBuffer)) { refHandle = SafeFreeContextBuffer.CreateEmptyHandle(Library); } else if (handleType == typeof(SafeFreeCertContext)) { refHandle = new SafeFreeCertContext(); } else { throw new ArgumentException(SR.GetString(SR.SSPIInvalidHandleType, handleType.FullName), "handleType"); } } fixed (byte* bufferPtr = buffer) { return SafeFreeContextBuffer.QueryContextAttributes(Library, context, attribute, bufferPtr, refHandle); } } public int QuerySecurityContextToken(SafeDeleteContext phContext, out SafeCloseHandle phToken) { if (ComNetOS.IsWin9x) { throw new NotSupportedException(); } else { return SafeCloseHandle.GetSecurityContextToken(phContext, out phToken); } } public int CompleteAuthToken(ref SafeDeleteContext refContext, SecurityBuffer[] inputBuffers) { if (ComNetOS.IsWin9x) { throw new NotSupportedException(); } else { return SafeDeleteContext.CompleteAuthToken(Library, ref refContext, inputBuffers); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- SafeNativeMethodsCLR.cs
- SectionVisual.cs
- PrtCap_Base.cs
- WebEncodingValidatorAttribute.cs
- MultiBindingExpression.cs
- listitem.cs
- VBCodeProvider.cs
- Random.cs
- LinqDataSourceDeleteEventArgs.cs
- DataServices.cs
- FormsAuthenticationModule.cs
- SortDescriptionCollection.cs
- CompiledRegexRunnerFactory.cs
- StyleSheet.cs
- ReflectionTypeLoadException.cs
- VerificationException.cs
- ResponseBodyWriter.cs
- CanExecuteRoutedEventArgs.cs
- DropDownList.cs
- TextReader.cs
- ExpressionBuilderContext.cs
- TextSelectionProcessor.cs
- LicenseContext.cs
- WebZone.cs
- TemplateControlParser.cs
- NavigatingCancelEventArgs.cs
- SecurityAttributeGenerationHelper.cs
- ConnectionsZone.cs
- GroupBoxAutomationPeer.cs
- FtpWebResponse.cs
- ClockController.cs
- MachineKeySection.cs
- DrawingGroupDrawingContext.cs
- DomainUpDown.cs
- SqlTypesSchemaImporter.cs
- DataGridViewCheckBoxColumn.cs
- ClonableStack.cs
- VisualStateChangedEventArgs.cs
- Cell.cs
- ClientUtils.cs
- LazyTextWriterCreator.cs
- TypeNameConverter.cs
- DataTemplate.cs
- DebugView.cs
- XmlQueryOutput.cs
- RowParagraph.cs
- QueryCorrelationInitializer.cs
- BackgroundFormatInfo.cs
- SocketElement.cs
- MsmqOutputSessionChannel.cs
- AutomationPatternInfo.cs
- basenumberconverter.cs
- SoapIgnoreAttribute.cs
- AQNBuilder.cs
- OpenTypeCommon.cs
- UnsafeNativeMethods.cs
- RectangleGeometry.cs
- BaseValidator.cs
- PresentationAppDomainManager.cs
- PathSegmentCollection.cs
- FilterQuery.cs
- SoapCommonClasses.cs
- HandlerBase.cs
- InsufficientMemoryException.cs
- HandlerBase.cs
- SamlDoNotCacheCondition.cs
- httpapplicationstate.cs
- QueueProcessor.cs
- ConfigurationConverterBase.cs
- UpDownBaseDesigner.cs
- SrgsNameValueTag.cs
- XmlNullResolver.cs
- LinearGradientBrush.cs
- GorillaCodec.cs
- SiteMembershipCondition.cs
- ReturnEventArgs.cs
- TreeNodeSelectionProcessor.cs
- HttpListenerPrefixCollection.cs
- ComPlusThreadInitializer.cs
- FormViewDeletedEventArgs.cs
- AuthorizationRule.cs
- CookieHandler.cs
- TransactionsSectionGroup.cs
- RectAnimationBase.cs
- DataGridViewHitTestInfo.cs
- EventManager.cs
- TextTreeFixupNode.cs
- TableParaClient.cs
- _NTAuthentication.cs
- _ProxyChain.cs
- TextBoxRenderer.cs
- DecoderBestFitFallback.cs
- JumpTask.cs
- HttpMethodConstraint.cs
- CollectionContainer.cs
- ZoneMembershipCondition.cs
- SponsorHelper.cs
- StringFunctions.cs
- XmlDataSourceView.cs
- SchemaImporterExtensionElement.cs