public int CompleteAuthToken(ref SafeDeleteContext refContext, SecurityBuffer[] inputBuffers)
{
if (ComNetOS.IsWin9x)
{
throw new NotSupportedException();
}
return SafeDeleteContext.CompleteAuthToken(Library, ref refContext, inputBuffers);
}
public int DecryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber)
{
if (ComNetOS.IsWin9x)
{
throw ExceptionHelper.MethodNotImplementedException;
}
return this.DecryptMessageHelper(context, inputOutput, sequenceNumber);
}
internal static int AcceptSecurityContext(SSPIInterface SecModule, ref SafeFreeCredentials credential, ref SafeDeleteContext context, ContextFlags inFlags, Endianness datarep, SecurityBuffer inputBuffer, SecurityBuffer outputBuffer, ref ContextFlags outFlags)
{
if (Logging.On)
{
Logging.PrintInfo(Logging.Web, string.Concat(new object[] { "AcceptSecurityContext(credential = ", credential.ToString(), ", context = ", ValidationHelper.ToString(context), ", inFlags = ", inFlags, ")" }));
}
int num = SecModule.AcceptSecurityContext(ref credential, ref context, inputBuffer, inFlags, datarep, outputBuffer, ref outFlags);
if (Logging.On)
{
Logging.PrintInfo(Logging.Web, SR.GetString("net_log_sspi_security_context_input_buffer", new object[] { "AcceptSecurityContext", (inputBuffer == null) ? 0 : inputBuffer.size, outputBuffer.size, (SecurityStatus) num }));
}
return num;
}
public static unsafe int QueryContextChannelBinding(SecurDll dll, SafeDeleteContext phContext, ContextAttribute contextAttribute, Bindings* buffer, SafeFreeContextBufferChannelBinding refHandle)
{
switch (dll)
{
case SecurDll.SECURITY:
return QueryContextChannelBinding_SECURITY(phContext, contextAttribute, buffer, refHandle);
case SecurDll.SECUR32:
return QueryContextChannelBinding_SECUR32(phContext, contextAttribute, buffer, refHandle);
case SecurDll.SCHANNEL:
return QueryContextChannelBinding_SCHANNEL(phContext, contextAttribute, buffer, refHandle);
}
return -1;
}
public static unsafe int QueryContextAttributes(SecurDll dll, SafeDeleteContext phContext, ContextAttribute contextAttribute, byte* buffer, SafeHandle refHandle)
{
switch (dll)
{
case SecurDll.SECURITY:
return QueryContextAttributes_SECURITY(phContext, contextAttribute, buffer, refHandle);
case SecurDll.SECUR32:
return QueryContextAttributes_SECUR32(phContext, contextAttribute, buffer, refHandle);
case SecurDll.SCHANNEL:
return QueryContextAttributes_SCHANNEL(phContext, contextAttribute, buffer, refHandle);
}
return -1;
}
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;
}
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;
}
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;
}
public int QueryContextChannelBinding(SafeDeleteContext context, ContextAttribute attribute, out SafeFreeContextBufferChannelBinding binding)
{
binding = null;
throw new NotSupportedException();
}
public int QueryContextChannelBinding(SafeDeleteContext context, Interop.Secur32.ContextAttribute attribute, out SafeFreeContextBufferChannelBinding binding)
{
// Querying an auth SSP for a CBT is not supported.
binding = null;
throw new NotSupportedException();
}
public int QuerySecurityContextToken(SafeDeleteContext phContext, out SecurityContextTokenHandle phToken)
{
return(GetSecurityContextToken(phContext, out phToken));
}
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));
}
//
// After PINvoke call the method will fix the refHandle.handle with the returned value.
// The caller is responsible for creating a correct SafeHandle template or null can be passed if no handle is returned.
//
// This method switches between three non-interruptible helper methods. (This method can't be both non-interruptible and
// reference imports from all three DLLs - doing so would cause all three DLLs to try to be bound to.)
//
public unsafe static int QueryContextAttributes(SecurDll dll, SafeDeleteContext phContext, ContextAttribute contextAttribute, byte* buffer, SafeHandle refHandle)
{
switch (dll)
{
case SecurDll.SECURITY:
return QueryContextAttributes_SECURITY(phContext, contextAttribute, buffer, refHandle);
default:
return -1;
}
}
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;
}
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;
}
public static SafeFreeContextBufferChannelBinding QueryContextChannelBinding(SSPIInterface secModule, SafeDeleteContext securityContext, Interop.SspiCli.ContextAttribute contextAttribute)
{
if (GlobalLog.IsEnabled)
{
GlobalLog.Enter("QueryContextChannelBinding", contextAttribute.ToString());
}
SafeFreeContextBufferChannelBinding result;
int errorCode = secModule.QueryContextChannelBinding(securityContext, contextAttribute, out result);
if (errorCode != 0)
{
if (GlobalLog.IsEnabled)
{
GlobalLog.Leave("QueryContextChannelBinding", "ERROR = " + ErrorDescription(errorCode));
}
return(null);
}
if (GlobalLog.IsEnabled)
{
GlobalLog.Leave("QueryContextChannelBinding", LoggingHash.HashString(result));
}
return(result);
}
private unsafe static int EncryptDecryptHelper(OP op, SSPIInterface secModule, SafeDeleteContext context, SecurityBuffer[] input, uint sequenceNumber)
{
Interop.SspiCli.SecurityBufferDescriptor sdcInOut = new Interop.SspiCli.SecurityBufferDescriptor(input.Length);
var unmanagedBuffer = new Interop.SspiCli.SecurityBufferStruct[input.Length];
fixed(Interop.SspiCli.SecurityBufferStruct *unmanagedBufferPtr = unmanagedBuffer)
{
sdcInOut.UnmanagedPointer = unmanagedBufferPtr;
GCHandle[] pinnedBuffers = new GCHandle[input.Length];
byte[][] buffers = new byte[input.Length][];
try
{
for (int i = 0; i < input.Length; i++)
{
SecurityBuffer iBuffer = input[i];
unmanagedBuffer[i].count = iBuffer.size;
unmanagedBuffer[i].type = iBuffer.type;
if (iBuffer.token == null || iBuffer.token.Length == 0)
{
unmanagedBuffer[i].token = IntPtr.Zero;
}
else
{
pinnedBuffers[i] = GCHandle.Alloc(iBuffer.token, GCHandleType.Pinned);
unmanagedBuffer[i].token = Marshal.UnsafeAddrOfPinnedArrayElement(iBuffer.token, iBuffer.offset);
buffers[i] = iBuffer.token;
}
}
// The result is written in the input Buffer passed as type=BufferType.Data.
int errorCode;
switch (op)
{
case OP.Encrypt:
errorCode = secModule.EncryptMessage(context, sdcInOut, sequenceNumber);
break;
case OP.Decrypt:
errorCode = secModule.DecryptMessage(context, sdcInOut, sequenceNumber);
break;
case OP.MakeSignature:
errorCode = secModule.MakeSignature(context, sdcInOut, sequenceNumber);
break;
case OP.VerifySignature:
errorCode = secModule.VerifySignature(context, sdcInOut, sequenceNumber);
break;
default:
if (GlobalLog.IsEnabled)
{
GlobalLog.Assert("SSPIWrapper::EncryptDecryptHelper", "Unknown OP: " + op);
}
Debug.Fail("SSPIWrapper::EncryptDecryptHelper", "Unknown OP: " + op);
throw NotImplemented.ByDesignWithMessage(SR.net_MethodNotImplementedException);
}
// Marshalling back returned sizes / data.
for (int i = 0; i < input.Length; i++)
{
SecurityBuffer iBuffer = input[i];
iBuffer.size = unmanagedBuffer[i].count;
iBuffer.type = unmanagedBuffer[i].type;
if (iBuffer.size == 0)
{
iBuffer.offset = 0;
iBuffer.token = null;
}
else
{
checked
{
// Find the buffer this is inside of. Usually they all point inside buffer 0.
int j;
for (j = 0; j < input.Length; j++)
{
if (buffers[j] == null)
{
continue;
}
byte *bufferAddress = (byte *)Marshal.UnsafeAddrOfPinnedArrayElement(buffers[j], 0);
if ((byte *)unmanagedBuffer[i].token >= bufferAddress &&
(byte *)unmanagedBuffer[i].token + iBuffer.size <= bufferAddress + buffers[j].Length)
{
iBuffer.offset = (int)((byte *)unmanagedBuffer[i].token - bufferAddress);
iBuffer.token = buffers[j];
break;
}
}
if (j >= input.Length)
{
if (GlobalLog.IsEnabled)
{
GlobalLog.Assert("SSPIWrapper::EncryptDecryptHelper", "Output buffer out of range.");
}
Debug.Fail("SSPIWrapper::EncryptDecryptHelper", "Output buffer out of range.");
iBuffer.size = 0;
iBuffer.offset = 0;
iBuffer.token = null;
}
}
}
// Backup validate the new sizes.
if (iBuffer.offset < 0 || iBuffer.offset > (iBuffer.token == null ? 0 : iBuffer.token.Length))
{
if (GlobalLog.IsEnabled)
{
GlobalLog.AssertFormat("SSPIWrapper::EncryptDecryptHelper|'offset' out of range. [{0}]", iBuffer.offset);
}
Debug.Fail("SSPIWrapper::EncryptDecryptHelper|'offset' out of range. [" + iBuffer.offset + "]");
}
if (iBuffer.size < 0 || iBuffer.size > (iBuffer.token == null ? 0 : iBuffer.token.Length - iBuffer.offset))
{
if (GlobalLog.IsEnabled)
{
GlobalLog.AssertFormat("SSPIWrapper::EncryptDecryptHelper|'size' out of range. [{0}]", iBuffer.size);
}
Debug.Fail("SSPIWrapper::EncryptDecryptHelper|'size' out of range. [" + iBuffer.size + "]");
}
}
if (errorCode != 0 && NetEventSource.Log.IsEnabled())
{
if (errorCode == Interop.SspiCli.SEC_I_RENEGOTIATE)
{
NetEventSource.PrintError(NetEventSource.ComponentType.Security, SR.Format(SR.event_OperationReturnedSomething, op, "SEC_I_RENEGOTIATE"));
}
else
{
NetEventSource.PrintError(NetEventSource.ComponentType.Security, SR.Format(SR.net_log_operation_failed_with_error, op, String.Format(CultureInfo.CurrentCulture, "0X{0:X}", errorCode)));
}
}
return(errorCode);
}
finally
{
for (int i = 0; i < pinnedBuffers.Length; ++i)
{
if (pinnedBuffers[i].IsAllocated)
{
pinnedBuffers[i].Free();
}
}
}
}
}
public static int VerifySignature(SSPIInterface secModule, SafeDeleteContext context, SecurityBuffer[] input, uint sequenceNumber)
{
return(EncryptDecryptHelper(OP.VerifySignature, secModule, context, input, sequenceNumber));
}
public static int QuerySecurityContextToken(SSPIInterface secModule, SafeDeleteContext context, out SecurityContextTokenHandle token)
{
return(secModule.QuerySecurityContextToken(context, out token));
}
internal static int AcceptSecurityContext(SSPIInterface secModule, SafeFreeCredentials credential, ref SafeDeleteContext context, Interop.SspiCli.ContextFlags inFlags, Interop.SspiCli.Endianness datarep, SecurityBuffer[] inputBuffers, SecurityBuffer outputBuffer, ref Interop.SspiCli.ContextFlags outFlags)
{
if (SecurityEventSource.Log.IsEnabled())
{
SecurityEventSource.Log.AcceptSecurityContext(credential.ToString(), LoggingHash.ObjectToString(context), inFlags);
}
int errorCode = secModule.AcceptSecurityContext(credential, ref context, inputBuffers, inFlags, datarep, outputBuffer, ref outFlags);
if (SecurityEventSource.Log.IsEnabled())
{
SecurityEventSource.Log.SecurityContextInputBuffers("AcceptSecurityContext", (inputBuffers == null ? 0 : inputBuffers.Length), outputBuffer.size, (Interop.SecurityStatus)errorCode);
}
return(errorCode);
}
internal static int InitializeSecurityContext(SSPIInterface secModule, ref SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, Interop.SspiCli.ContextFlags inFlags, Interop.SspiCli.Endianness datarep, SecurityBuffer inputBuffer, SecurityBuffer outputBuffer, ref Interop.SspiCli.ContextFlags outFlags)
{
if (SecurityEventSource.Log.IsEnabled())
{
SecurityEventSource.Log.InitializeSecurityContext(credential.ToString(),
LoggingHash.ObjectToString(context),
targetName,
inFlags);
}
int errorCode = secModule.InitializeSecurityContext(ref credential, ref context, targetName, inFlags, datarep, inputBuffer, outputBuffer, ref outFlags);
if (SecurityEventSource.Log.IsEnabled())
{
SecurityEventSource.Log.SecurityContextInputBuffer("InitializeSecurityContext", (inputBuffer == null ? 0 : inputBuffer.size), outputBuffer.size, (Interop.SecurityStatus)errorCode);
}
return(errorCode);
}
public int InitializeSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, Interop.Secur32.ContextFlags inFlags, Interop.Secur32.Endianness endianness, SecurityBuffer[] inputBuffers, SecurityBuffer outputBuffer, ref Interop.Secur32.ContextFlags outFlags)
{
return(SafeDeleteContext.InitializeSecurityContext(ref credential, ref context, targetName, inFlags, endianness, null, inputBuffers, outputBuffer, ref outFlags));
}
public int QuerySecurityContextToken(SafeDeleteContext phContext, out SafeCloseHandle phToken) {
return GetSecurityContextToken(phContext, out phToken);
}
public static object QueryContextAttributes(SSPIInterface secModule, SafeDeleteContext securityContext, Interop.SspiCli.ContextAttribute contextAttribute)
{
int errorCode;
return(QueryContextAttributes(secModule, securityContext, contextAttribute, out errorCode));
}
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);
}
public static object QueryContextAttributes(SSPIInterface secModule, SafeDeleteContext securityContext, Interop.SspiCli.ContextAttribute contextAttribute, out int errorCode)
{
if (GlobalLog.IsEnabled)
{
GlobalLog.Enter("QueryContextAttributes", contextAttribute.ToString());
}
int nativeBlockSize = IntPtr.Size;
Type handleType = null;
switch (contextAttribute)
{
case Interop.SspiCli.ContextAttribute.Sizes:
nativeBlockSize = SecSizes.SizeOf;
break;
case Interop.SspiCli.ContextAttribute.StreamSizes:
nativeBlockSize = StreamSizes.SizeOf;
break;
case Interop.SspiCli.ContextAttribute.Names:
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.SspiCli.ContextAttribute.PackageInfo:
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.SspiCli.ContextAttribute.NegotiationInfo:
handleType = typeof(SafeFreeContextBuffer);
nativeBlockSize = Marshal.SizeOf <NegotiationInfo>();
break;
case Interop.SspiCli.ContextAttribute.ClientSpecifiedSpn:
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.SspiCli.ContextAttribute.RemoteCertificate:
handleType = typeof(SafeFreeCertContext);
break;
case Interop.SspiCli.ContextAttribute.LocalCertificate:
handleType = typeof(SafeFreeCertContext);
break;
case Interop.SspiCli.ContextAttribute.IssuerListInfoEx:
nativeBlockSize = Marshal.SizeOf <Interop.SspiCli.IssuerListInfoEx>();
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.SspiCli.ContextAttribute.ConnectionInfo:
nativeBlockSize = Marshal.SizeOf <SslConnectionInfo>();
break;
default:
throw new ArgumentException(SR.Format(SR.net_invalid_enum, "ContextAttribute"), "contextAttribute");
}
SafeHandle sspiHandle = null;
object attribute = null;
try
{
var nativeBuffer = new byte[nativeBlockSize];
errorCode = secModule.QueryContextAttributes(securityContext, contextAttribute, nativeBuffer, handleType, out sspiHandle);
if (errorCode != 0)
{
if (GlobalLog.IsEnabled)
{
GlobalLog.Leave("Win32:QueryContextAttributes", "ERROR = " + ErrorDescription(errorCode));
}
return(null);
}
switch (contextAttribute)
{
case Interop.SspiCli.ContextAttribute.Sizes:
attribute = new SecSizes(nativeBuffer);
break;
case Interop.SspiCli.ContextAttribute.StreamSizes:
attribute = new StreamSizes(nativeBuffer);
break;
case Interop.SspiCli.ContextAttribute.Names:
attribute = Marshal.PtrToStringUni(sspiHandle.DangerousGetHandle());
break;
case Interop.SspiCli.ContextAttribute.PackageInfo:
attribute = new SecurityPackageInfoClass(sspiHandle, 0);
break;
case Interop.SspiCli.ContextAttribute.NegotiationInfo:
unsafe
{
fixed(void *ptr = nativeBuffer)
{
attribute = new NegotiationInfoClass(sspiHandle, Marshal.ReadInt32(new IntPtr(ptr), NegotiationInfo.NegotiationStateOffest));
}
}
break;
case Interop.SspiCli.ContextAttribute.ClientSpecifiedSpn:
attribute = Marshal.PtrToStringUni(sspiHandle.DangerousGetHandle());
break;
case Interop.SspiCli.ContextAttribute.LocalCertificate:
// Fall-through to RemoteCertificate is intentional.
case Interop.SspiCli.ContextAttribute.RemoteCertificate:
attribute = sspiHandle;
sspiHandle = null;
break;
case Interop.SspiCli.ContextAttribute.IssuerListInfoEx:
attribute = new Interop.SspiCli.IssuerListInfoEx(sspiHandle, nativeBuffer);
sspiHandle = null;
break;
case Interop.SspiCli.ContextAttribute.ConnectionInfo:
attribute = new SslConnectionInfo(nativeBuffer);
break;
default:
// Will return null.
break;
}
}
finally
{
if (sspiHandle != null)
{
sspiHandle.Dispose();
}
}
if (GlobalLog.IsEnabled)
{
GlobalLog.Leave("QueryContextAttributes", LoggingHash.ObjectToString(attribute));
}
return(attribute);
}
//
// 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();
}
}
return errorCode;
}
public static void QueryContextStreamSizes(SafeDeleteContext securityContext, out StreamSizes streamSizes)
{
streamSizes = s_streamSizes;
}
public static int SetContextAttributes(SecurDll dll, SafeDeleteContext phContext,
ContextAttribute contextAttribute, byte[] buffer)
{
switch (dll)
{
case SecurDll.SECURITY:
return SetContextAttributes_SECURITY(phContext, contextAttribute, buffer);
default:
return -1;
}
}
public static void QueryContextConnectionInfo(SafeDeleteContext securityContext, out SslConnectionInfo connectionInfo)
{
connectionInfo = new SslConnectionInfo(((SafeDeleteSslContext)securityContext).SslContext);
}
public int CompleteAuthToken(ref SafeDeleteContext refContext, SecurityBuffer[] inputBuffers)
{
return(SafeDeleteContext.CompleteAuthToken(ref refContext, inputBuffers));
}
public unsafe int QueryContextChannelBinding(SafeDeleteContext phContext, ContextAttribute attribute, out SafeFreeContextBufferChannelBinding refHandle)
{
refHandle = SafeFreeContextBufferChannelBinding.CreateEmptyHandle(Library);
// bindings is on the stack, so there's no need for a fixed block
Bindings bindings = new Bindings();
return SafeFreeContextBufferChannelBinding.QueryContextChannelBinding(Library, phContext, attribute, &bindings, refHandle);
}
public int SetContextAttributes(SafeDeleteContext context, Interop.Secur32.ContextAttribute attribute, byte[] buffer)
{
throw NotImplemented.ByDesignWithMessage(SR.net_MethodNotImplementedException);
}
public int QuerySecurityContextToken(SafeDeleteContext phContext, out SafeCloseHandle phToken) {
throw new NotSupportedException();
}
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;
}
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);
}
}
private static SecurityStatusPal HandshakeInternal(SafeFreeCredentials credential, ref SafeDeleteContext context,
SecurityBuffer inputBuffer, SecurityBuffer outputBuffer, bool isServer, bool remoteCertRequired)
{
Debug.Assert(!credential.IsInvalid);
try
{
if ((null == context) || context.IsInvalid)
{
context = new SafeDeleteSslContext(credential as SafeFreeSslCredentials, isServer, remoteCertRequired);
}
byte[] output = null;
int outputSize;
bool done;
if (null == inputBuffer)
{
done = Interop.OpenSsl.DoSslHandshake(((SafeDeleteSslContext)context).SslContext, null, 0, 0, out output, out outputSize);
}
else
{
done = Interop.OpenSsl.DoSslHandshake(((SafeDeleteSslContext)context).SslContext, inputBuffer.token, inputBuffer.offset, inputBuffer.size, out output, out outputSize);
}
outputBuffer.size = outputSize;
outputBuffer.offset = 0;
outputBuffer.token = outputSize > 0 ? output : null;
return(new SecurityStatusPal(done ? SecurityStatusPalErrorCode.OK : SecurityStatusPalErrorCode.ContinueNeeded));
}
catch (Exception exc)
{
return(new SecurityStatusPal(SecurityStatusPalErrorCode.InternalError, exc));
}
}
public int AcceptSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer[] inputBuffers, Interop.Secur32.ContextFlags inFlags, Interop.Secur32.Endianness endianness, SecurityBuffer outputBuffer, ref Interop.Secur32.ContextFlags outFlags)
{
return(SafeDeleteContext.AcceptSecurityContext(ref credential, ref context, inFlags, endianness, null, inputBuffers, outputBuffer, ref outFlags));
}
public int SetContextAttributes(SafeDeleteContext phContext, ContextAttribute attribute, byte[] buffer) {
return SafeFreeContextBuffer.SetContextAttributes(Library, phContext, attribute, buffer);
}
public int QueryContextIssuerList(SafeDeleteContext securityContext, out Object issuerList)
{
// TODO (Issue #3362) To be implemented
throw NotImplemented.ByDesignWithMessage(SR.net_MethodNotImplementedException);
}
public int CompleteAuthToken(ref SafeDeleteContext refContext, SecurityBuffer[] inputBuffers) {
throw new NotSupportedException();
}
public SecurityStatus AcceptSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context,
SecurityBuffer inputBuffer, SecurityBuffer outputBuffer, bool remoteCertRequired)
{
return(HandshakeInternal(credential, ref context, inputBuffer, outputBuffer, true, remoteCertRequired));
}
public int QueryContextChannelBinding(SafeDeleteContext context, ContextAttribute attribute, out SafeFreeContextBufferChannelBinding binding)
{
// Querying an auth SSP for a CBT doesn't make sense
binding = null;
throw new NotSupportedException();
}
public SecurityStatus InitializeSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context,
string targetName, SecurityBuffer inputBuffer, SecurityBuffer outputBuffer)
{
return(HandshakeInternal(credential, ref context, inputBuffer, outputBuffer, false, false));
}
public int SetContextAttributes(SafeDeleteContext context, ContextAttribute attribute, byte[] buffer) {
throw new NotImplementedException();
}
public SecurityStatus InitializeSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, SecurityBuffer[] inputBuffers, SecurityBuffer outputBuffer)
{
Debug.Assert(inputBuffers.Length == 2);
Debug.Assert(inputBuffers[1].token == null);
return(HandshakeInternal(credential, ref context, inputBuffers[0], outputBuffer, false, false));
}
public int CompleteAuthToken(ref SafeDeleteContext refContext, SecurityBuffer[] inputBuffers) {
return SafeDeleteContext.CompleteAuthToken(Library, ref refContext, inputBuffers);
}
public SecurityStatus EncryptMessage(SafeDeleteContext securityContext, byte[] buffer, int size, int headerSize, int trailerSize, out int resultSize)
{
// Unencrypted data starts at an offset of headerSize
return(EncryptDecryptHelper(securityContext, buffer, headerSize, size, headerSize, trailerSize, true, out resultSize));
}
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 QueryContextChannelBinding(SafeDeleteContext phContext, ChannelBindingKind attribute,
out SafeFreeContextBufferChannelBinding refHandle)
{
// TODO (Issue #3362) To be implemented
throw NotImplemented.ByDesignWithMessage(SR.net_MethodNotImplementedException);
}
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;
}
public unsafe static SafeFreeContextBufferChannelBinding QueryContextChannelBinding(SafeDeleteContext securityContext, ChannelBindingKind attribute)
{
return(SSPIWrapper.QueryContextChannelBinding(GlobalSSPI.SSPISecureChannel, securityContext, (Interop.SspiCli.ContextAttribute)attribute));
}
//-------------------------------------------------------------------
internal unsafe static int AcceptSecurityContext(
SecurDll dll,
ref SafeFreeCredentials inCredentials,
ref SafeDeleteContext refContext,
ContextFlags inFlags,
Endianness endianness,
SecurityBuffer inSecBuffer,
SecurityBuffer[] inSecBuffers,
SecurityBuffer outSecBuffer,
ref ContextFlags outFlags) {
#if TRAVE
GlobalLog.Enter("SafeDeleteContext::AcceptSecurityContex");
GlobalLog.Print(" DLL = " + dll);
GlobalLog.Print(" credential = " + inCredentials.ToString());
GlobalLog.Print(" refContext = " + ValidationHelper.ToString(refContext));
GlobalLog.Print(" inFlags = " + inFlags);
// GlobalLog.Print(" endianness = " + endianness);
// GlobalLog.Print(" inSecBuffer = " + SecurityBuffer.ToString(inSecBuffer));
//
if (inSecBuffers==null)
{
GlobalLog.Print(" inSecBuffers = (null)");
}
else
{
GlobalLog.Print(" inSecBuffers[] = length:" + inSecBuffers.Length);
// for (int index=0; index<inSecBuffers.Length; index++) { GlobalLog.Print(" inSecBuffers[" + index + "] = " + SecurityBuffer.ToString(inSecBuffers[index])); }
}
// GlobalLog.Print(" newContext = {ref} inContext");
// GlobalLog.Print(" outSecBuffer = " + SecurityBuffer.ToString(outSecBuffer));
// GlobalLog.Print(" outFlags = {ref} " + outFlags);
// GlobalLog.Print(" timestamp = null");
#endif
GlobalLog.Assert(outSecBuffer != null, "SafeDeleteContext::AcceptSecurityContext()|outSecBuffer != null");
GlobalLog.Assert(inSecBuffer == null || inSecBuffers == null, "SafeDeleteContext::AcceptSecurityContext()|inSecBuffer == null || inSecBuffers == null");
if (inCredentials == null)
{
throw new ArgumentNullException("inCredentials");
}
SecurityBufferDescriptor inSecurityBufferDescriptor = null;
if (inSecBuffer!=null)
{
inSecurityBufferDescriptor = new SecurityBufferDescriptor(1);
}
else if (inSecBuffers!=null)
{
inSecurityBufferDescriptor = new SecurityBufferDescriptor(inSecBuffers.Length);
}
SecurityBufferDescriptor outSecurityBufferDescriptor = new SecurityBufferDescriptor(1);
// actually this is returned in outFlags
bool isSspiAllocated = (inFlags & ContextFlags.AllocateMemory) != 0 ? true : false;
int errorCode = -1;
SSPIHandle contextHandle = new SSPIHandle();
if (refContext != null)
contextHandle = refContext._handle;
// these are pinned user byte arrays passed along with SecurityBuffers
GCHandle[] pinnedInBytes = null;
GCHandle pinnedOutBytes = new GCHandle();
// optional output buffer that may need to be freed
SafeFreeContextBuffer outFreeContextBuffer = null;
try
{
pinnedOutBytes = GCHandle.Alloc(outSecBuffer.token, GCHandleType.Pinned);
SecurityBufferStruct[] inUnmanagedBuffer = new SecurityBufferStruct[inSecurityBufferDescriptor==null ? 1:inSecurityBufferDescriptor.Count];
fixed (void* inUnmanagedBufferPtr = inUnmanagedBuffer)
{
if (inSecurityBufferDescriptor!=null)
{
// Fix Descriptor pointer that points to unmanaged SecurityBuffers
inSecurityBufferDescriptor.UnmanagedPointer = inUnmanagedBufferPtr;
pinnedInBytes = new GCHandle[inSecurityBufferDescriptor.Count];
SecurityBuffer securityBuffer;
for (int index = 0; index < inSecurityBufferDescriptor.Count; ++index)
{
securityBuffer = inSecBuffer!=null ? inSecBuffer : inSecBuffers[index];
if (securityBuffer!=null)
{
// Copy the SecurityBuffer content into unmanaged place holder
inUnmanagedBuffer[index].count = securityBuffer.size;
inUnmanagedBuffer[index].type = securityBuffer.type;
// use the unmanaged token if it's not null; otherwise use the managed buffer
if (securityBuffer.unmanagedToken != null)
{
inUnmanagedBuffer[index].token = securityBuffer.unmanagedToken.DangerousGetHandle();
}
else if (securityBuffer.token == null || securityBuffer.token.Length == 0)
{
inUnmanagedBuffer[index].token = IntPtr.Zero;
}
else
{
pinnedInBytes[index] = GCHandle.Alloc(securityBuffer.token, GCHandleType.Pinned);
inUnmanagedBuffer[index].token = Marshal.UnsafeAddrOfPinnedArrayElement(securityBuffer.token, securityBuffer.offset);
}
#if TRAVE
GlobalLog.Print("SecBuffer: cbBuffer:" + securityBuffer.size + " BufferType:" + securityBuffer.type);
#endif
}
}
}
SecurityBufferStruct[] outUnmanagedBuffer = new SecurityBufferStruct[1];
fixed (void* outUnmanagedBufferPtr = outUnmanagedBuffer)
{
// Fix Descriptor pointer that points to unmanaged SecurityBuffers
outSecurityBufferDescriptor.UnmanagedPointer = outUnmanagedBufferPtr;
// Copy the SecurityBuffer content into unmanaged place holder
outUnmanagedBuffer[0].count = outSecBuffer.size;
outUnmanagedBuffer[0].type = outSecBuffer.type;
if (outSecBuffer.token == null || outSecBuffer.token.Length == 0)
outUnmanagedBuffer[0].token = IntPtr.Zero;
else
outUnmanagedBuffer[0].token = Marshal.UnsafeAddrOfPinnedArrayElement(outSecBuffer.token, outSecBuffer.offset);
if (isSspiAllocated)
outFreeContextBuffer = SafeFreeContextBuffer.CreateEmptyHandle(dll);
switch (dll)
{
case SecurDll.SECURITY:
if (refContext == null || refContext.IsInvalid)
refContext = new SafeDeleteContext_SECURITY();
errorCode = MustRunAcceptSecurityContext_SECURITY(
ref inCredentials,
contextHandle.IsZero? null: &contextHandle,
inSecurityBufferDescriptor,
inFlags,
endianness,
refContext,
outSecurityBufferDescriptor,
ref outFlags,
outFreeContextBuffer
);
break;
default: throw new ArgumentException(SR.GetString(SR.net_invalid_enum, "SecurDll"), "Dll");
}
GlobalLog.Print("SafeDeleteContext:AcceptSecurityContext Marshalling OUT buffer");
// Get unmanaged buffer with index 0 as the only one passed into PInvoke
outSecBuffer.size = outUnmanagedBuffer[0].count;
outSecBuffer.type = outUnmanagedBuffer[0].type;
if (outSecBuffer.size > 0)
{
outSecBuffer.token = new byte[outSecBuffer.size];
Marshal.Copy(outUnmanagedBuffer[0].token, outSecBuffer.token, 0, outSecBuffer.size);
}
else
{
outSecBuffer.token = null;
}
}
}
}
finally {
if (pinnedInBytes!=null)
{
for (int index=0; index<pinnedInBytes.Length; index++)
{
if (pinnedInBytes[index].IsAllocated)
pinnedInBytes[index].Free();
}
}
if (pinnedOutBytes.IsAllocated)
pinnedOutBytes.Free();
if (outFreeContextBuffer != null)
outFreeContextBuffer.Close();
}
GlobalLog.Leave("SafeDeleteContext::AcceptSecurityContex() unmanaged AcceptSecurityContex()", "errorCode:0x" + errorCode.ToString("x8") + " refContext:" + ValidationHelper.ToString(refContext));
return errorCode;
}
public static SecurityStatusPal AcceptSecurityContext(ref SafeFreeCredentials credentialsHandle, ref SafeDeleteContext context, SecurityBuffer inputBuffer, SecurityBuffer outputBuffer, bool remoteCertRequired)
{
Interop.SspiCli.ContextFlags unusedAttributes = default(Interop.SspiCli.ContextFlags);
int errorCode = SSPIWrapper.AcceptSecurityContext(
GlobalSSPI.SSPISecureChannel,
ref credentialsHandle,
ref context,
ServerRequiredFlags | (remoteCertRequired ? Interop.SspiCli.ContextFlags.MutualAuth : Interop.SspiCli.ContextFlags.Zero),
Interop.SspiCli.Endianness.Native,
inputBuffer,
outputBuffer,
ref unusedAttributes);
return(GetSecurityStatusPalFromWin32Int(errorCode));
}
//
//
//
internal unsafe static int CompleteAuthToken(
SecurDll dll,
ref SafeDeleteContext refContext,
SecurityBuffer[] inSecBuffers) {
GlobalLog.Enter("SafeDeleteContext::CompleteAuthToken");
GlobalLog.Print(" DLL = " + dll);
GlobalLog.Print(" refContext = " + ValidationHelper.ToString(refContext));
#if TRAVE
GlobalLog.Print(" inSecBuffers[] = length:" + inSecBuffers.Length);
// for (int index=0; index<inSecBuffers.Length; index++) { GlobalLog.Print(" inSecBuffers[" + index + "] = " + SecurityBuffer.ToString(inSecBuffers[index])); }
#endif
GlobalLog.Assert(inSecBuffers != null, "SafeDeleteContext::CompleteAuthToken()|inSecBuffers == null");
SecurityBufferDescriptor inSecurityBufferDescriptor = new SecurityBufferDescriptor(inSecBuffers.Length);
int errorCode = (int)SecurityStatus.InvalidHandle;
// these are pinned user byte arrays passed along with SecurityBuffers
GCHandle[] pinnedInBytes = null;
SecurityBufferStruct[] inUnmanagedBuffer = new SecurityBufferStruct[inSecurityBufferDescriptor.Count];
fixed (void* inUnmanagedBufferPtr = inUnmanagedBuffer) {
// Fix Descriptor pointer that points to unmanaged SecurityBuffers
inSecurityBufferDescriptor.UnmanagedPointer = inUnmanagedBufferPtr;
pinnedInBytes = new GCHandle[inSecurityBufferDescriptor.Count];
SecurityBuffer securityBuffer;
for (int index = 0; index < inSecurityBufferDescriptor.Count; ++index) {
securityBuffer = inSecBuffers[index];
if (securityBuffer!=null) {
inUnmanagedBuffer[index].count = securityBuffer.size;
inUnmanagedBuffer[index].type = securityBuffer.type;
// use the unmanaged token if it's not null; otherwise use the managed buffer
if (securityBuffer.unmanagedToken != null)
{
inUnmanagedBuffer[index].token = securityBuffer.unmanagedToken.DangerousGetHandle();
}
else if (securityBuffer.token==null || securityBuffer.token.Length==0) {
inUnmanagedBuffer[index].token = IntPtr.Zero;
}
else {
pinnedInBytes[index] = GCHandle.Alloc(securityBuffer.token, GCHandleType.Pinned);
inUnmanagedBuffer[index].token = Marshal.UnsafeAddrOfPinnedArrayElement(securityBuffer.token, securityBuffer.offset);
}
#if TRAVE
GlobalLog.Print("SecBuffer: cbBuffer:" + securityBuffer.size + " BufferType:" + securityBuffer.type);
// securityBuffer.DebugDump();
#endif
}
}
SSPIHandle contextHandle = new SSPIHandle();
if (refContext != null) {
contextHandle = refContext._handle;
}
try {
if (dll==SecurDll.SECURITY) {
if (refContext == null || refContext.IsInvalid) {
refContext = new SafeDeleteContext_SECURITY();
}
bool b = false;
RuntimeHelpers.PrepareConstrainedRegions();
try {
refContext.DangerousAddRef(ref b);
}
catch(Exception e) {
if (b)
{
refContext.DangerousRelease();
b = false;
}
if (!(e is ObjectDisposedException))
throw;
}
finally {
if (b)
{
errorCode = UnsafeNclNativeMethods.SafeNetHandles_SECURITY.CompleteAuthToken(contextHandle.IsZero? null: &contextHandle, inSecurityBufferDescriptor);
refContext.DangerousRelease();
}
}
}
else {
throw new ArgumentException(SR.GetString(SR.net_invalid_enum, "SecurDll"), "Dll");
}
}
finally {
if (pinnedInBytes!=null) {
for (int index=0; index<pinnedInBytes.Length; index++) {
if (pinnedInBytes[index].IsAllocated) {
pinnedInBytes[index].Free();
}
}
}
}
}
GlobalLog.Leave("SafeDeleteContext::CompleteAuthToken() unmanaged CompleteAuthToken()", "errorCode:0x" + errorCode.ToString("x8") + " refContext:" + ValidationHelper.ToString(refContext));
return errorCode;
}
public static SecurityStatusPal InitializeSecurityContext(SafeFreeCredentials credentialsHandle, ref SafeDeleteContext context, string targetName, SecurityBuffer[] inputBuffers, SecurityBuffer outputBuffer)
{
Interop.SspiCli.ContextFlags unusedAttributes = default(Interop.SspiCli.ContextFlags);
int errorCode = SSPIWrapper.InitializeSecurityContext(
GlobalSSPI.SSPISecureChannel,
credentialsHandle,
ref context,
targetName,
RequiredFlags | Interop.SspiCli.ContextFlags.InitManualCredValidation,
Interop.SspiCli.Endianness.Native,
inputBuffers,
outputBuffer,
ref unusedAttributes);
return(GetSecurityStatusPalFromWin32Int(errorCode));
}
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;
}
//
// Extracts a remote certificate upon request.
//
internal static X509Certificate2?GetRemoteCertificate(SafeDeleteContext securityContext)
{
return(GetRemoteCertificate(securityContext, null));
}
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;
}
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));
}
