internal static unsafe int InitializeSecurityContext(
ref SafeFreeCredentials?inCredentials,
ref SafeDeleteSslContext?refContext,
string?targetName,
Interop.SspiCli.ContextFlags inFlags,
Interop.SspiCli.Endianness endianness,
InputSecurityBuffers inSecBuffers,
ref SecurityBuffer outSecBuffer,
ref Interop.SspiCli.ContextFlags outFlags)
{
#if TRACE_VERBOSE
if (NetEventSource.IsEnabled)
{
NetEventSource.Enter(null, $"credential:{inCredentials}, crefContext:{refContext}, targetName:{targetName}, inFlags:{inFlags}, endianness:{endianness}");
NetEventSource.Info(null, $"inSecBuffers.Length = {inSecBuffers.Length}");
}
#endif
if (inCredentials == null)
{
throw new ArgumentNullException(nameof(inCredentials));
}
Debug.Assert(inSecBuffers.Count <= 3);
Interop.SspiCli.SecBufferDesc inSecurityBufferDescriptor = new Interop.SspiCli.SecBufferDesc(inSecBuffers.Count);
Interop.SspiCli.SecBufferDesc outSecurityBufferDescriptor = new Interop.SspiCli.SecBufferDesc(1);
// Actually, this is returned in outFlags.
bool isSspiAllocated = (inFlags & Interop.SspiCli.ContextFlags.AllocateMemory) != 0 ? true : false;
int errorCode = -1;
bool isContextAbsent = true;
if (refContext != null)
{
isContextAbsent = refContext._handle.IsZero;
}
// Optional output buffer that may need to be freed.
SafeFreeContextBuffer?outFreeContextBuffer = null;
try
{
Span <Interop.SspiCli.SecBuffer> inUnmanagedBuffer = stackalloc Interop.SspiCli.SecBuffer[3];
fixed(void *inUnmanagedBufferPtr = inUnmanagedBuffer)
fixed(void *pinnedToken0 = inSecBuffers._item0.Token)
fixed(void *pinnedToken1 = inSecBuffers._item1.Token)
fixed(void *pinnedToken2 = inSecBuffers._item2.Token)
{
// Fix Descriptor pointer that points to unmanaged SecurityBuffers.
inSecurityBufferDescriptor.pBuffers = inUnmanagedBufferPtr;
// Updated pvBuffer with pinned address. UnmanagedToken takes precedence.
if (inSecBuffers.Count > 2)
{
inUnmanagedBuffer[2].BufferType = inSecBuffers._item2.Type;
inUnmanagedBuffer[2].cbBuffer = inSecBuffers._item2.Token.Length;
inUnmanagedBuffer[2].pvBuffer = inSecBuffers._item2.UnmanagedToken != null ?
(IntPtr)inSecBuffers._item2.UnmanagedToken.DangerousGetHandle() :
(IntPtr)pinnedToken2;
}
if (inSecBuffers.Count > 1)
{
inUnmanagedBuffer[1].BufferType = inSecBuffers._item1.Type;
inUnmanagedBuffer[1].cbBuffer = inSecBuffers._item1.Token.Length;
inUnmanagedBuffer[1].pvBuffer = inSecBuffers._item1.UnmanagedToken != null ?
(IntPtr)inSecBuffers._item1.UnmanagedToken.DangerousGetHandle() :
(IntPtr)pinnedToken1;
}
if (inSecBuffers.Count > 0)
{
inUnmanagedBuffer[0].BufferType = inSecBuffers._item0.Type;
inUnmanagedBuffer[0].cbBuffer = inSecBuffers._item0.Token.Length;
inUnmanagedBuffer[0].pvBuffer = inSecBuffers._item0.UnmanagedToken != null ?
(IntPtr)inSecBuffers._item0.UnmanagedToken.DangerousGetHandle() :
(IntPtr)pinnedToken0;
}
fixed(byte *pinnedOutBytes = outSecBuffer.token)
{
// Fix Descriptor pointer that points to unmanaged SecurityBuffers.
Interop.SspiCli.SecBuffer outUnmanagedBuffer = default;
outSecurityBufferDescriptor.pBuffers = &outUnmanagedBuffer;
outUnmanagedBuffer.cbBuffer = outSecBuffer.size;
outUnmanagedBuffer.BufferType = outSecBuffer.type;
outUnmanagedBuffer.pvBuffer = outSecBuffer.token == null || outSecBuffer.token.Length == 0 ?
IntPtr.Zero :
(IntPtr)(pinnedOutBytes + outSecBuffer.offset);
if (isSspiAllocated)
{
outFreeContextBuffer = SafeFreeContextBuffer.CreateEmptyHandle();
}
if (refContext == null || refContext.IsInvalid)
{
// Previous versions unconditionally built a new "refContext" here, but would pass
// incorrect arguments to InitializeSecurityContextW in cases where an "contextHandle" was
// already present and non-zero.
if (isContextAbsent)
{
refContext = new SafeDeleteSslContext();
}
}
if (targetName == null || targetName.Length == 0)
{
targetName = dummyStr;
}
string punyCode = s_idnMapping.GetAscii(targetName);
fixed(char *namePtr = punyCode)
{
errorCode = MustRunInitializeSecurityContext(
ref inCredentials,
isContextAbsent,
(byte *)(((object)targetName == (object)dummyStr) ? null : namePtr),
inFlags,
endianness,
&inSecurityBufferDescriptor,
refContext !,
ref outSecurityBufferDescriptor,
ref outFlags,
outFreeContextBuffer);
}
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(null, "Marshalling OUT buffer");
}
// Get unmanaged buffer with index 0 as the only one passed into PInvoke.
outSecBuffer.size = outUnmanagedBuffer.cbBuffer;
outSecBuffer.type = outUnmanagedBuffer.BufferType;
outSecBuffer.token = outSecBuffer.size > 0 ?
new Span <byte>((byte *)outUnmanagedBuffer.pvBuffer, outUnmanagedBuffer.cbBuffer).ToArray() :
null;
}
}
}
finally
{
outFreeContextBuffer?.Dispose();
}
if (NetEventSource.IsEnabled)
{
NetEventSource.Exit(null, $"errorCode:0x{errorCode:x8}, refContext:{refContext}");
}
return(errorCode);
}
private static unsafe int EncryptDecryptHelper(OP op, SSPIInterface secModule, SafeDeleteContext context, SecurityBuffer[] input, uint sequenceNumber)
{
Interop.SspiCli.SecBufferDesc sdcInOut = new Interop.SspiCli.SecBufferDesc(input.Length);
var unmanagedBuffer = new Interop.SspiCli.SecBuffer[input.Length];
fixed(Interop.SspiCli.SecBuffer *unmanagedBufferPtr = unmanagedBuffer)
{
sdcInOut.pBuffers = 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].cbBuffer = iBuffer.size;
unmanagedBuffer[i].BufferType = iBuffer.type;
if (iBuffer.token == null || iBuffer.token.Length == 0)
{
unmanagedBuffer[i].pvBuffer = IntPtr.Zero;
}
else
{
pinnedBuffers[i] = GCHandle.Alloc(iBuffer.token, GCHandleType.Pinned);
unmanagedBuffer[i].pvBuffer = 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, ref sdcInOut, sequenceNumber);
break;
case OP.Decrypt:
errorCode = secModule.DecryptMessage(context, ref sdcInOut, sequenceNumber);
break;
case OP.MakeSignature:
errorCode = secModule.MakeSignature(context, ref sdcInOut, sequenceNumber);
break;
case OP.VerifySignature:
errorCode = secModule.VerifySignature(context, ref sdcInOut, sequenceNumber);
break;
default:
NetEventSource.Fail(null, $"Unknown OP: {op}");
throw NotImplemented.ByDesignWithMessage(Strings.net_MethodNotImplementedException);
}
// Marshalling back returned sizes / data.
for (int i = 0; i < input.Length; i++)
{
SecurityBuffer iBuffer = input[i];
iBuffer.size = unmanagedBuffer[i].cbBuffer;
iBuffer.type = unmanagedBuffer[i].BufferType;
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].pvBuffer >= bufferAddress &&
(byte *)unmanagedBuffer[i].pvBuffer + iBuffer.size <= bufferAddress + buffers[j].Length)
{
iBuffer.offset = (int)((byte *)unmanagedBuffer[i].pvBuffer - bufferAddress);
iBuffer.token = buffers[j];
break;
}
}
if (j >= input.Length)
{
NetEventSource.Fail(null, "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))
{
NetEventSource.Fail(null, $"'offset' out of range. [{iBuffer.offset}]");
}
if (iBuffer.size < 0 || iBuffer.size > (iBuffer.token == null ? 0 : iBuffer.token.Length - iBuffer.offset))
{
NetEventSource.Fail(null, $"'size' out of range. [{iBuffer.size}]");
}
}
if (NetEventSource.IsEnabled && errorCode != 0)
{
if (errorCode == Interop.SspiCli.SEC_I_RENEGOTIATE)
{
NetEventSource.Error(null, System.StringsHelper.Format(Strings.event_OperationReturnedSomething, op, "SEC_I_RENEGOTIATE"));
}
else
{
NetEventSource.Error(null, System.StringsHelper.Format(Strings.net_log_operation_failed_with_error, op, $"0x{0:X}"));
}
}
return(errorCode);
}
finally
{
for (int i = 0; i < pinnedBuffers.Length; ++i)
{
if (pinnedBuffers[i].IsAllocated)
{
pinnedBuffers[i].Free();
}
}
}
}
}
//-------------------------------------------------------------------
internal unsafe static int AcceptSecurityContext(
ref SafeFreeCredentials inCredentials,
ref SafeDeleteContext refContext,
Interop.SspiCli.ContextFlags inFlags,
Interop.SspiCli.Endianness endianness,
SecurityBuffer inSecBuffer,
SecurityBuffer[] inSecBuffers,
SecurityBuffer outSecBuffer,
ref Interop.SspiCli.ContextFlags outFlags)
{
#if TRACE_VERBOSE
if (NetEventSource.IsEnabled)
{
NetEventSource.Enter(null, $"credential={inCredentials}, refContext={refContext}, inFlags={inFlags}");
if (inSecBuffers == null)
{
NetEventSource.Info(null, "inSecBuffers = (null)");
}
else
{
NetEventSource.Info(null, $"inSecBuffers[] = (inSecBuffers)");
}
}
#endif
if (outSecBuffer == null)
{
NetEventSource.Fail(null, "outSecBuffer != null");
}
if (inSecBuffer != null && inSecBuffers != null)
{
NetEventSource.Fail(null, "inSecBuffer == null || inSecBuffers == null");
}
if (inCredentials == null)
{
throw new ArgumentNullException(nameof(inCredentials));
}
Interop.SspiCli.SecBufferDesc inSecurityBufferDescriptor = default(Interop.SspiCli.SecBufferDesc);
bool haveInSecurityBufferDescriptor = false;
if (inSecBuffer != null)
{
inSecurityBufferDescriptor = new Interop.SspiCli.SecBufferDesc(1);
haveInSecurityBufferDescriptor = true;
}
else if (inSecBuffers != null)
{
inSecurityBufferDescriptor = new Interop.SspiCli.SecBufferDesc(inSecBuffers.Length);
haveInSecurityBufferDescriptor = true;
}
Interop.SspiCli.SecBufferDesc outSecurityBufferDescriptor = new Interop.SspiCli.SecBufferDesc(1);
// Actually, this is returned in outFlags.
bool isSspiAllocated = (inFlags & Interop.SspiCli.ContextFlags.AllocateMemory) != 0 ? true : false;
int errorCode = -1;
Interop.SspiCli.CredHandle contextHandle = new Interop.SspiCli.CredHandle();
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);
var inUnmanagedBuffer = new Interop.SspiCli.SecBuffer[haveInSecurityBufferDescriptor ? inSecurityBufferDescriptor.cBuffers : 1];
fixed (void* inUnmanagedBufferPtr = inUnmanagedBuffer)
{
if (haveInSecurityBufferDescriptor)
{
// Fix Descriptor pointer that points to unmanaged SecurityBuffers.
inSecurityBufferDescriptor.pBuffers = inUnmanagedBufferPtr;
pinnedInBytes = new GCHandle[inSecurityBufferDescriptor.cBuffers];
SecurityBuffer securityBuffer;
for (int index = 0; index < inSecurityBufferDescriptor.cBuffers; ++index)
{
securityBuffer = inSecBuffer != null ? inSecBuffer : inSecBuffers[index];
if (securityBuffer != null)
{
// Copy the SecurityBuffer content into unmanaged place holder.
inUnmanagedBuffer[index].cbBuffer = securityBuffer.size;
inUnmanagedBuffer[index].BufferType = securityBuffer.type;
// Use the unmanaged token if it's not null; otherwise use the managed buffer.
if (securityBuffer.unmanagedToken != null)
{
inUnmanagedBuffer[index].pvBuffer = securityBuffer.unmanagedToken.DangerousGetHandle();
}
else if (securityBuffer.token == null || securityBuffer.token.Length == 0)
{
inUnmanagedBuffer[index].pvBuffer = IntPtr.Zero;
}
else
{
pinnedInBytes[index] = GCHandle.Alloc(securityBuffer.token, GCHandleType.Pinned);
inUnmanagedBuffer[index].pvBuffer = Marshal.UnsafeAddrOfPinnedArrayElement(securityBuffer.token, securityBuffer.offset);
}
#if TRACE_VERBOSE
if (NetEventSource.IsEnabled) NetEventSource.Info(null, $"SecBuffer: cbBuffer:{securityBuffer.size} BufferType:{securityBuffer.type}");
#endif
}
}
}
var outUnmanagedBuffer = new Interop.SspiCli.SecBuffer[1];
fixed (void* outUnmanagedBufferPtr = outUnmanagedBuffer)
{
// Fix Descriptor pointer that points to unmanaged SecurityBuffers.
outSecurityBufferDescriptor.pBuffers = outUnmanagedBufferPtr;
// Copy the SecurityBuffer content into unmanaged place holder.
outUnmanagedBuffer[0].cbBuffer = outSecBuffer.size;
outUnmanagedBuffer[0].BufferType = outSecBuffer.type;
if (outSecBuffer.token == null || outSecBuffer.token.Length == 0)
{
outUnmanagedBuffer[0].pvBuffer = IntPtr.Zero;
}
else
{
outUnmanagedBuffer[0].pvBuffer = Marshal.UnsafeAddrOfPinnedArrayElement(outSecBuffer.token, outSecBuffer.offset);
}
if (isSspiAllocated)
{
outFreeContextBuffer = SafeFreeContextBuffer.CreateEmptyHandle();
}
if (refContext == null || refContext.IsInvalid)
{
refContext = new SafeDeleteContext_SECURITY();
}
errorCode = MustRunAcceptSecurityContext_SECURITY(
ref inCredentials,
contextHandle.IsZero ? null : &contextHandle,
haveInSecurityBufferDescriptor ? &inSecurityBufferDescriptor : null,
inFlags,
endianness,
refContext,
ref outSecurityBufferDescriptor,
ref outFlags,
outFreeContextBuffer);
if (NetEventSource.IsEnabled) NetEventSource.Info(null, "Marshaling OUT buffer");
// Get unmanaged buffer with index 0 as the only one passed into PInvoke.
outSecBuffer.size = outUnmanagedBuffer[0].cbBuffer;
outSecBuffer.type = outUnmanagedBuffer[0].BufferType;
if (outSecBuffer.size > 0)
{
outSecBuffer.token = new byte[outSecBuffer.size];
Marshal.Copy(outUnmanagedBuffer[0].pvBuffer, 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.Dispose();
}
}
if (NetEventSource.IsEnabled) NetEventSource.Exit(null, $"errorCode:0x{errorCode:x8}, refContext:{refContext}");
return errorCode;
}
private unsafe static int EncryptDecryptHelper(OP op, SSPIInterface secModule, SafeDeleteContext context, SecurityBuffer[] input, uint sequenceNumber)
{
Interop.SspiCli.SecBufferDesc sdcInOut = new Interop.SspiCli.SecBufferDesc(input.Length);
var unmanagedBuffer = new Interop.SspiCli.SecBuffer[input.Length];
fixed (Interop.SspiCli.SecBuffer* unmanagedBufferPtr = unmanagedBuffer)
{
sdcInOut.pBuffers = 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].cbBuffer = iBuffer.size;
unmanagedBuffer[i].BufferType = iBuffer.type;
if (iBuffer.token == null || iBuffer.token.Length == 0)
{
unmanagedBuffer[i].pvBuffer = IntPtr.Zero;
}
else
{
pinnedBuffers[i] = GCHandle.Alloc(iBuffer.token, GCHandleType.Pinned);
unmanagedBuffer[i].pvBuffer = 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:
NetEventSource.Fail(null, $"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].cbBuffer;
iBuffer.type = unmanagedBuffer[i].BufferType;
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].pvBuffer >= bufferAddress &&
(byte*)unmanagedBuffer[i].pvBuffer + iBuffer.size <= bufferAddress + buffers[j].Length)
{
iBuffer.offset = (int)((byte*)unmanagedBuffer[i].pvBuffer - bufferAddress);
iBuffer.token = buffers[j];
break;
}
}
if (j >= input.Length)
{
NetEventSource.Fail(null, "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))
{
NetEventSource.Fail(null, $"'offset' out of range. [{iBuffer.offset}]");
}
if (iBuffer.size < 0 || iBuffer.size > (iBuffer.token == null ? 0 : iBuffer.token.Length - iBuffer.offset))
{
NetEventSource.Fail(null, $"'size' out of range. [{iBuffer.size}]");
}
}
if (NetEventSource.IsEnabled && errorCode != 0)
{
if (errorCode == Interop.SspiCli.SEC_I_RENEGOTIATE)
{
NetEventSource.Error(null, SR.Format(SR.event_OperationReturnedSomething, op, "SEC_I_RENEGOTIATE"));
}
else
{
NetEventSource.Error(null, SR.Format(SR.net_log_operation_failed_with_error, op, $"0x{0:X}"));
}
}
return errorCode;
}
finally
{
for (int i = 0; i < pinnedBuffers.Length; ++i)
{
if (pinnedBuffers[i].IsAllocated)
{
pinnedBuffers[i].Free();
}
}
}
}
}
internal unsafe static int ApplyControlToken(
ref SafeDeleteContext refContext,
SecurityBuffer[] inSecBuffers)
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Enter(null);
NetEventSource.Info(null, $" refContext = {refContext}");
NetEventSource.Info(null, $" inSecBuffers[] = length:{inSecBuffers.Length}");
}
if (inSecBuffers == null)
{
NetEventSource.Fail(null, "inSecBuffers == null");
}
var inSecurityBufferDescriptor = new Interop.SspiCli.SecBufferDesc(inSecBuffers.Length);
int errorCode = (int)Interop.SECURITY_STATUS.InvalidHandle;
// These are pinned user byte arrays passed along with SecurityBuffers.
GCHandle[] pinnedInBytes = null;
var inUnmanagedBuffer = new Interop.SspiCli.SecBuffer[inSecurityBufferDescriptor.cBuffers];
fixed (void* inUnmanagedBufferPtr = inUnmanagedBuffer)
{
// Fix Descriptor pointer that points to unmanaged SecurityBuffers.
inSecurityBufferDescriptor.pBuffers = inUnmanagedBufferPtr;
pinnedInBytes = new GCHandle[inSecurityBufferDescriptor.cBuffers];
SecurityBuffer securityBuffer;
for (int index = 0; index < inSecurityBufferDescriptor.cBuffers; ++index)
{
securityBuffer = inSecBuffers[index];
if (securityBuffer != null)
{
inUnmanagedBuffer[index].cbBuffer = securityBuffer.size;
inUnmanagedBuffer[index].BufferType = securityBuffer.type;
// Use the unmanaged token if it's not null; otherwise use the managed buffer.
if (securityBuffer.unmanagedToken != null)
{
inUnmanagedBuffer[index].pvBuffer = securityBuffer.unmanagedToken.DangerousGetHandle();
}
else if (securityBuffer.token == null || securityBuffer.token.Length == 0)
{
inUnmanagedBuffer[index].pvBuffer = IntPtr.Zero;
}
else
{
pinnedInBytes[index] = GCHandle.Alloc(securityBuffer.token, GCHandleType.Pinned);
inUnmanagedBuffer[index].pvBuffer = Marshal.UnsafeAddrOfPinnedArrayElement(securityBuffer.token, securityBuffer.offset);
}
#if TRACE_VERBOSE
if (NetEventSource.IsEnabled) NetEventSource.Info(null, $"SecBuffer: cbBuffer:{securityBuffer.size} BufferType:{securityBuffer.type}");
#endif
}
}
// TODO: (#3114): Optimizations to remove the unnecesary allocation of a CredHandle, remove the AddRef
// if refContext was previously null, refactor the code to unify CompleteAuthToken and ApplyControlToken.
Interop.SspiCli.CredHandle contextHandle = new Interop.SspiCli.CredHandle();
if (refContext != null)
{
contextHandle = refContext._handle;
}
try
{
if (refContext == null || refContext.IsInvalid)
{
refContext = new SafeDeleteContext_SECURITY();
}
try
{
bool ignore = false;
refContext.DangerousAddRef(ref ignore);
errorCode = Interop.SspiCli.ApplyControlToken(contextHandle.IsZero ? null : &contextHandle, ref inSecurityBufferDescriptor);
}
finally
{
refContext.DangerousRelease();
}
}
finally
{
if (pinnedInBytes != null)
{
for (int index = 0; index < pinnedInBytes.Length; index++)
{
if (pinnedInBytes[index].IsAllocated)
{
pinnedInBytes[index].Free();
}
}
}
}
}
if (NetEventSource.IsEnabled) NetEventSource.Exit(null, $"unmanaged ApplyControlToken() errorCode:0x{errorCode:x8} refContext: {refContext}");
return errorCode;
}