//
//
//
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;
}
private static unsafe int EncryptDecryptHelper(OP op, SSPIInterface SecModule, SafeDeleteContext context, SecurityBuffer[] input, uint sequenceNumber)
{
SecurityBufferDescriptor inputOutput = new SecurityBufferDescriptor(input.Length);
SecurityBufferStruct[] structArray = new SecurityBufferStruct[input.Length];
fixed(SecurityBufferStruct *structRef = structArray)
{
int num6;
inputOutput.UnmanagedPointer = (void *)structRef;
GCHandle[] handleArray = new GCHandle[input.Length];
byte[][] bufferArray = new byte[input.Length][];
try
{
int num2;
for (int i = 0; i < input.Length; i++)
{
SecurityBuffer buffer = input[i];
structArray[i].count = buffer.size;
structArray[i].type = buffer.type;
if ((buffer.token == null) || (buffer.token.Length == 0))
{
structArray[i].token = IntPtr.Zero;
}
else
{
handleArray[i] = GCHandle.Alloc(buffer.token, GCHandleType.Pinned);
structArray[i].token = Marshal.UnsafeAddrOfPinnedArrayElement(buffer.token, buffer.offset);
bufferArray[i] = buffer.token;
}
}
switch (op)
{
case OP.Encrypt:
num2 = SecModule.EncryptMessage(context, inputOutput, sequenceNumber);
break;
case OP.Decrypt:
num2 = SecModule.DecryptMessage(context, inputOutput, sequenceNumber);
break;
case OP.MakeSignature:
num2 = SecModule.MakeSignature(context, inputOutput, sequenceNumber);
break;
case OP.VerifySignature:
num2 = SecModule.VerifySignature(context, inputOutput, sequenceNumber);
break;
default:
throw ExceptionHelper.MethodNotImplementedException;
}
for (int j = 0; j < input.Length; j++)
{
SecurityBuffer buffer2 = input[j];
buffer2.size = structArray[j].count;
buffer2.type = structArray[j].type;
if (buffer2.size == 0)
{
buffer2.offset = 0;
buffer2.token = null;
}
else
{
int index = 0;
while (index < input.Length)
{
if (bufferArray[index] != null)
{
byte *numPtr = (byte *)Marshal.UnsafeAddrOfPinnedArrayElement(bufferArray[index], 0);
if ((((void *)structArray[j].token) >= numPtr) && ((((void *)structArray[j].token) + buffer2.size) <= (numPtr + bufferArray[index].Length)))
{
buffer2.offset = (int)((long)((((void *)structArray[j].token) - numPtr) / 1));
buffer2.token = bufferArray[index];
break;
}
}
index++;
}
if (index >= input.Length)
{
buffer2.size = 0;
buffer2.offset = 0;
buffer2.token = null;
}
}
}
if ((num2 != 0) && Logging.On)
{
if (num2 == 0x90321)
{
Logging.PrintError(Logging.Web, SR.GetString("net_log_operation_returned_something", new object[] { op, "SEC_I_RENEGOTIATE" }));
}
else
{
Logging.PrintError(Logging.Web, SR.GetString("net_log_operation_failed_with_error", new object[] { op, string.Format(CultureInfo.CurrentCulture, "0X{0:X}", new object[] { num2 }) }));
}
}
num6 = num2;
}
finally
{
for (int k = 0; k < handleArray.Length; k++)
{
if (handleArray[k].IsAllocated)
{
handleArray[k].Free();
}
}
}
return(num6);
}
}
//-------------------------------------------------------------------
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;
}
internal static unsafe int CompleteAuthToken(SecurDll dll, ref SafeDeleteContext refContext, SecurityBuffer[] inSecBuffers)
{
SecurityBufferStruct[] structArray2;
SecurityBufferDescriptor inputBuffers = new SecurityBufferDescriptor(inSecBuffers.Length);
int num = -2146893055;
GCHandle[] handleArray = null;
SecurityBufferStruct[] structArray = new SecurityBufferStruct[inputBuffers.Count];
if (((structArray2 = structArray) != null) && (structArray2.Length != 0))
{
goto Label_002F;
}
fixed(IntPtr *ptrRef = null)
{
goto Label_0039;
Label_002F:
ptrRef = structArray2;
Label_0039:
inputBuffers.UnmanagedPointer = (void *)ptrRef;
handleArray = new GCHandle[inputBuffers.Count];
for (int i = 0; i < inputBuffers.Count; i++)
{
SecurityBuffer buffer = inSecBuffers[i];
if (buffer != null)
{
structArray[i].count = buffer.size;
structArray[i].type = buffer.type;
if (buffer.unmanagedToken != null)
{
structArray[i].token = buffer.unmanagedToken.DangerousGetHandle();
}
else if ((buffer.token == null) || (buffer.token.Length == 0))
{
structArray[i].token = IntPtr.Zero;
}
else
{
handleArray[i] = GCHandle.Alloc(buffer.token, GCHandleType.Pinned);
structArray[i].token = Marshal.UnsafeAddrOfPinnedArrayElement(buffer.token, buffer.offset);
}
}
}
SSPIHandle handle = new SSPIHandle();
if (refContext != null)
{
handle = refContext._handle;
}
try
{
if (dll == SecurDll.SECURITY)
{
if ((refContext == null) || refContext.IsInvalid)
{
refContext = new SafeDeleteContext_SECURITY();
}
bool success = false;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
try
{
refContext.DangerousAddRef(ref success);
}
catch (Exception exception)
{
if (success)
{
refContext.DangerousRelease();
success = false;
}
if (!(exception is ObjectDisposedException))
{
throw;
}
}
goto Label_0201;
}
finally
{
if (success)
{
num = UnsafeNclNativeMethods.SafeNetHandles_SECURITY.CompleteAuthToken(handle.IsZero ? null : ((void *)&handle), inputBuffers);
refContext.DangerousRelease();
}
}
}
throw new ArgumentException(SR.GetString("net_invalid_enum", new object[] { "SecurDll" }), "Dll");
}
finally
{
if (handleArray != null)
{
for (int j = 0; j < handleArray.Length; j++)
{
if (handleArray[j].IsAllocated)
{
handleArray[j].Free();
}
}
}
}
}
Label_0201 :;
return(num);
}
internal static unsafe int InitializeSecurityContext(SecurDll dll, ref SafeFreeCredentials inCredentials, ref SafeDeleteContext refContext, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer inSecBuffer, SecurityBuffer[] inSecBuffers, SecurityBuffer outSecBuffer, ref ContextFlags outFlags)
{
if (inCredentials == null)
{
throw new ArgumentNullException("inCredentials");
}
SecurityBufferDescriptor inputBuffer = null;
if (inSecBuffer != null)
{
inputBuffer = new SecurityBufferDescriptor(1);
}
else if (inSecBuffers != null)
{
inputBuffer = new SecurityBufferDescriptor(inSecBuffers.Length);
}
SecurityBufferDescriptor outputBuffer = new SecurityBufferDescriptor(1);
bool flag = (inFlags & ContextFlags.AllocateMemory) != ContextFlags.Zero;
int num = -1;
SSPIHandle handle = new SSPIHandle();
if (refContext != null)
{
handle = refContext._handle;
}
GCHandle[] handleArray = null;
GCHandle handle2 = new GCHandle();
SafeFreeContextBuffer handleTemplate = null;
try
{
handle2 = GCHandle.Alloc(outSecBuffer.token, GCHandleType.Pinned);
SecurityBufferStruct[] structArray = new SecurityBufferStruct[(inputBuffer == null) ? 1 : inputBuffer.Count];
try
{
SecurityBufferStruct[] structArray3;
if (((structArray3 = structArray) == null) || (structArray3.Length == 0))
{
ptrRef = null;
goto Label_00A6;
}
fixed(IntPtr *ptrRef = structArray3)
{
Label_00A6:
if (inputBuffer != null)
{
inputBuffer.UnmanagedPointer = (void *)ptrRef;
handleArray = new GCHandle[inputBuffer.Count];
for (int i = 0; i < inputBuffer.Count; i++)
{
SecurityBuffer buffer2 = (inSecBuffer != null) ? inSecBuffer : inSecBuffers[i];
if (buffer2 != null)
{
structArray[i].count = buffer2.size;
structArray[i].type = buffer2.type;
if (buffer2.unmanagedToken != null)
{
structArray[i].token = buffer2.unmanagedToken.DangerousGetHandle();
}
else if ((buffer2.token == null) || (buffer2.token.Length == 0))
{
structArray[i].token = IntPtr.Zero;
}
else
{
handleArray[i] = GCHandle.Alloc(buffer2.token, GCHandleType.Pinned);
structArray[i].token = Marshal.UnsafeAddrOfPinnedArrayElement(buffer2.token, buffer2.offset);
}
}
}
}
SecurityBufferStruct[] structArray2 = new SecurityBufferStruct[1];
try
{
SecurityBufferStruct[] structArray4;
if (((structArray4 = structArray2) == null) || (structArray4.Length == 0))
{
ptrRef2 = null;
goto Label_01CC;
}
fixed(IntPtr *ptrRef2 = structArray4)
{
ref byte pinned numRef;
ref byte pinned numRef2;
Label_01CC:
outputBuffer.UnmanagedPointer = (void *)ptrRef2;
structArray2[0].count = outSecBuffer.size;
structArray2[0].type = outSecBuffer.type;
if ((outSecBuffer.token == null) || (outSecBuffer.token.Length == 0))
{
structArray2[0].token = IntPtr.Zero;
}
else
{
structArray2[0].token = Marshal.UnsafeAddrOfPinnedArrayElement(outSecBuffer.token, outSecBuffer.offset);
}
if (flag)
{
handleTemplate = SafeFreeContextBuffer.CreateEmptyHandle(dll);
}
switch (dll)
{
case SecurDll.SECURITY:
if ((refContext == null) || refContext.IsInvalid)
{
refContext = new SafeDeleteContext_SECURITY();
}
if ((targetName == null) || (targetName.Length == 0))
{
targetName = " ";
}
fixed(char *str = ((char *)targetName))
{
char *chPtr = str;
num = MustRunInitializeSecurityContext_SECURITY(ref inCredentials, handle.IsZero ? null : ((void *)&handle), (targetName == " ") ? null : ((byte *)chPtr), inFlags, endianness, inputBuffer, refContext, outputBuffer, ref outFlags, handleTemplate);
goto Label_044B;
}
break;
case SecurDll.SECUR32:
break;
case SecurDll.SCHANNEL:
goto Label_0381;
default:
goto Label_0423;
}
if ((refContext == null) || refContext.IsInvalid)
{
refContext = new SafeDeleteContext_SECUR32();
}
byte[] dummyBytes = SafeDeleteContext.dummyBytes;
if ((targetName != null) && (targetName.Length != 0))
{
dummyBytes = new byte[targetName.Length + 2];
Encoding.Default.GetBytes(targetName, 0, targetName.Length, dummyBytes, 0);
}
try
{
byte[] buffer5;
if (((buffer5 = dummyBytes) == null) || (buffer5.Length == 0))
{
numRef = null;
}
else
{
numRef = buffer5;
}
num = MustRunInitializeSecurityContext_SECUR32(ref inCredentials, handle.IsZero ? null : ((void *)&handle), (dummyBytes == SafeDeleteContext.dummyBytes) ? null : numRef, inFlags, endianness, inputBuffer, refContext, outputBuffer, ref outFlags, handleTemplate);
goto Label_044B;
}
finally
{
numRef = null;
}
Label_0381:
if ((refContext == null) || refContext.IsInvalid)
{
refContext = new SafeDeleteContext_SCHANNEL();
}
byte[] bytes = SafeDeleteContext.dummyBytes;
if ((targetName != null) && (targetName.Length != 0))
{
bytes = new byte[targetName.Length + 2];
Encoding.Default.GetBytes(targetName, 0, targetName.Length, bytes, 0);
}
try
{
byte[] buffer6;
if (((buffer6 = bytes) == null) || (buffer6.Length == 0))
{
numRef2 = null;
}
else
{
numRef2 = buffer6;
}
num = MustRunInitializeSecurityContext_SCHANNEL(ref inCredentials, handle.IsZero ? null : ((void *)&handle), (bytes == SafeDeleteContext.dummyBytes) ? null : numRef2, inFlags, endianness, inputBuffer, refContext, outputBuffer, ref outFlags, handleTemplate);
goto Label_044B;
}
finally
{
numRef2 = null;
}
Label_0423 :;
throw new ArgumentException(SR.GetString("net_invalid_enum", new object[] { "SecurDll" }), "Dll");
Label_044B:
outSecBuffer.size = structArray2[0].count;
outSecBuffer.type = structArray2[0].type;
if (outSecBuffer.size > 0)
{
outSecBuffer.token = new byte[outSecBuffer.size];
Marshal.Copy(structArray2[0].token, outSecBuffer.token, 0, outSecBuffer.size);
return(num);
}
outSecBuffer.token = null;
return(num);
}
}
finally
{
ptrRef2 = null;
}
return(num);
}
}
internal static unsafe int InitializeSecurityContext(SecurDll dll, ref SafeFreeCredentials inCredentials, ref SafeDeleteContext refContext, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer inSecBuffer, SecurityBuffer[] inSecBuffers, SecurityBuffer outSecBuffer, ref ContextFlags outFlags)
{
if (inCredentials == null)
{
throw new ArgumentNullException("inCredentials");
}
SecurityBufferDescriptor inputBuffer = null;
if (inSecBuffer != null)
{
inputBuffer = new SecurityBufferDescriptor(1);
}
else if (inSecBuffers != null)
{
inputBuffer = new SecurityBufferDescriptor(inSecBuffers.Length);
}
SecurityBufferDescriptor outputBuffer = new SecurityBufferDescriptor(1);
bool flag = (inFlags & ContextFlags.AllocateMemory) != ContextFlags.Zero;
int num = -1;
SSPIHandle handle = new SSPIHandle();
if (refContext != null)
{
handle = refContext._handle;
}
GCHandle[] handleArray = null;
GCHandle handle2 = new GCHandle();
SafeFreeContextBuffer handleTemplate = null;
try
{
handle2 = GCHandle.Alloc(outSecBuffer.token, GCHandleType.Pinned);
SecurityBufferStruct[] structArray = new SecurityBufferStruct[(inputBuffer == null) ? 1 : inputBuffer.Count];
try
{
SecurityBufferStruct[] structArray3;
if (((structArray3 = structArray) == null) || (structArray3.Length == 0))
{
ptrRef = null;
goto Label_00A6;
}
fixed (IntPtr* ptrRef = structArray3)
{
Label_00A6:
if (inputBuffer != null)
{
inputBuffer.UnmanagedPointer = (void*) ptrRef;
handleArray = new GCHandle[inputBuffer.Count];
for (int i = 0; i < inputBuffer.Count; i++)
{
SecurityBuffer buffer2 = (inSecBuffer != null) ? inSecBuffer : inSecBuffers[i];
if (buffer2 != null)
{
structArray[i].count = buffer2.size;
structArray[i].type = buffer2.type;
if (buffer2.unmanagedToken != null)
{
structArray[i].token = buffer2.unmanagedToken.DangerousGetHandle();
}
else if ((buffer2.token == null) || (buffer2.token.Length == 0))
{
structArray[i].token = IntPtr.Zero;
}
else
{
handleArray[i] = GCHandle.Alloc(buffer2.token, GCHandleType.Pinned);
structArray[i].token = Marshal.UnsafeAddrOfPinnedArrayElement(buffer2.token, buffer2.offset);
}
}
}
}
SecurityBufferStruct[] structArray2 = new SecurityBufferStruct[1];
try
{
SecurityBufferStruct[] structArray4;
if (((structArray4 = structArray2) == null) || (structArray4.Length == 0))
{
ptrRef2 = null;
goto Label_01CC;
}
fixed (IntPtr* ptrRef2 = structArray4)
{
ref byte pinned numRef;
ref byte pinned numRef2;
Label_01CC:
outputBuffer.UnmanagedPointer = (void*) ptrRef2;
structArray2[0].count = outSecBuffer.size;
structArray2[0].type = outSecBuffer.type;
if ((outSecBuffer.token == null) || (outSecBuffer.token.Length == 0))
{
structArray2[0].token = IntPtr.Zero;
}
else
{
structArray2[0].token = Marshal.UnsafeAddrOfPinnedArrayElement(outSecBuffer.token, outSecBuffer.offset);
}
if (flag)
{
handleTemplate = SafeFreeContextBuffer.CreateEmptyHandle(dll);
}
switch (dll)
{
case SecurDll.SECURITY:
if ((refContext == null) || refContext.IsInvalid)
{
refContext = new SafeDeleteContext_SECURITY();
}
if ((targetName == null) || (targetName.Length == 0))
{
targetName = " ";
}
fixed (char* str = ((char*) targetName))
{
char* chPtr = str;
num = MustRunInitializeSecurityContext_SECURITY(ref inCredentials, handle.IsZero ? null : ((void*) &handle), (targetName == " ") ? null : ((byte*) chPtr), inFlags, endianness, inputBuffer, refContext, outputBuffer, ref outFlags, handleTemplate);
goto Label_044B;
}
break;
case SecurDll.SECUR32:
break;
case SecurDll.SCHANNEL:
goto Label_0381;
default:
goto Label_0423;
}
if ((refContext == null) || refContext.IsInvalid)
{
refContext = new SafeDeleteContext_SECUR32();
}
byte[] dummyBytes = SafeDeleteContext.dummyBytes;
if ((targetName != null) && (targetName.Length != 0))
{
dummyBytes = new byte[targetName.Length + 2];
Encoding.Default.GetBytes(targetName, 0, targetName.Length, dummyBytes, 0);
}
try
{
byte[] buffer5;
if (((buffer5 = dummyBytes) == null) || (buffer5.Length == 0))
{
numRef = null;
}
else
{
numRef = buffer5;
}
num = MustRunInitializeSecurityContext_SECUR32(ref inCredentials, handle.IsZero ? null : ((void*) &handle), (dummyBytes == SafeDeleteContext.dummyBytes) ? null : numRef, inFlags, endianness, inputBuffer, refContext, outputBuffer, ref outFlags, handleTemplate);
goto Label_044B;
}
finally
{
numRef = null;
}
Label_0381:
if ((refContext == null) || refContext.IsInvalid)
{
refContext = new SafeDeleteContext_SCHANNEL();
}
byte[] bytes = SafeDeleteContext.dummyBytes;
if ((targetName != null) && (targetName.Length != 0))
{
bytes = new byte[targetName.Length + 2];
Encoding.Default.GetBytes(targetName, 0, targetName.Length, bytes, 0);
}
try
{
byte[] buffer6;
if (((buffer6 = bytes) == null) || (buffer6.Length == 0))
{
numRef2 = null;
}
else
{
numRef2 = buffer6;
}
num = MustRunInitializeSecurityContext_SCHANNEL(ref inCredentials, handle.IsZero ? null : ((void*) &handle), (bytes == SafeDeleteContext.dummyBytes) ? null : numRef2, inFlags, endianness, inputBuffer, refContext, outputBuffer, ref outFlags, handleTemplate);
goto Label_044B;
}
finally
{
numRef2 = null;
}
Label_0423:;
throw new ArgumentException(SR.GetString("net_invalid_enum", new object[] { "SecurDll" }), "Dll");
Label_044B:
outSecBuffer.size = structArray2[0].count;
outSecBuffer.type = structArray2[0].type;
if (outSecBuffer.size > 0)
{
outSecBuffer.token = new byte[outSecBuffer.size];
Marshal.Copy(structArray2[0].token, outSecBuffer.token, 0, outSecBuffer.size);
return num;
}
outSecBuffer.token = null;
return num;
}
}
finally
{
ptrRef2 = null;
}
return num;
}
}
internal static unsafe int AcceptSecurityContext(SecurDll dll, ref SafeFreeCredentials inCredentials, ref SafeDeleteContext refContext, ContextFlags inFlags, Endianness endianness, SecurityBuffer inSecBuffer, SecurityBuffer[] inSecBuffers, SecurityBuffer outSecBuffer, ref ContextFlags outFlags)
{
if (inCredentials == null)
{
throw new ArgumentNullException("inCredentials");
}
SecurityBufferDescriptor inputBuffer = null;
if (inSecBuffer != null)
{
inputBuffer = new SecurityBufferDescriptor(1);
}
else if (inSecBuffers != null)
{
inputBuffer = new SecurityBufferDescriptor(inSecBuffers.Length);
}
SecurityBufferDescriptor outputBuffer = new SecurityBufferDescriptor(1);
bool flag = (inFlags & ContextFlags.AllocateMemory) != ContextFlags.Zero;
int num = -1;
SSPIHandle handle = new SSPIHandle();
if (refContext != null)
{
handle = refContext._handle;
}
GCHandle[] handleArray = null;
GCHandle handle2 = new GCHandle();
SafeFreeContextBuffer handleTemplate = null;
try
{
handle2 = GCHandle.Alloc(outSecBuffer.token, GCHandleType.Pinned);
SecurityBufferStruct[] structArray = new SecurityBufferStruct[(inputBuffer == null) ? 1 : inputBuffer.Count];
try
{
SecurityBufferStruct[] structArray3;
if (((structArray3 = structArray) == null) || (structArray3.Length == 0))
{
ptrRef = null;
goto Label_00A5;
}
fixed(IntPtr *ptrRef = structArray3)
{
Label_00A5:
if (inputBuffer != null)
{
inputBuffer.UnmanagedPointer = (void *)ptrRef;
handleArray = new GCHandle[inputBuffer.Count];
for (int i = 0; i < inputBuffer.Count; i++)
{
SecurityBuffer buffer2 = (inSecBuffer != null) ? inSecBuffer : inSecBuffers[i];
if (buffer2 != null)
{
structArray[i].count = buffer2.size;
structArray[i].type = buffer2.type;
if (buffer2.unmanagedToken != null)
{
structArray[i].token = buffer2.unmanagedToken.DangerousGetHandle();
}
else if ((buffer2.token == null) || (buffer2.token.Length == 0))
{
structArray[i].token = IntPtr.Zero;
}
else
{
handleArray[i] = GCHandle.Alloc(buffer2.token, GCHandleType.Pinned);
structArray[i].token = Marshal.UnsafeAddrOfPinnedArrayElement(buffer2.token, buffer2.offset);
}
}
}
}
SecurityBufferStruct[] structArray2 = new SecurityBufferStruct[1];
try
{
SecurityBufferStruct[] structArray4;
if (((structArray4 = structArray2) == null) || (structArray4.Length == 0))
{
ptrRef2 = null;
goto Label_01CB;
}
fixed(IntPtr *ptrRef2 = structArray4)
{
Label_01CB:
outputBuffer.UnmanagedPointer = (void *)ptrRef2;
structArray2[0].count = outSecBuffer.size;
structArray2[0].type = outSecBuffer.type;
if ((outSecBuffer.token == null) || (outSecBuffer.token.Length == 0))
{
structArray2[0].token = IntPtr.Zero;
}
else
{
structArray2[0].token = Marshal.UnsafeAddrOfPinnedArrayElement(outSecBuffer.token, outSecBuffer.offset);
}
if (flag)
{
handleTemplate = SafeFreeContextBuffer.CreateEmptyHandle(dll);
}
switch (dll)
{
case SecurDll.SECURITY:
if ((refContext == null) || refContext.IsInvalid)
{
refContext = new SafeDeleteContext_SECURITY();
}
num = MustRunAcceptSecurityContext_SECURITY(ref inCredentials, handle.IsZero ? null : ((void *)&handle), inputBuffer, inFlags, endianness, refContext, outputBuffer, ref outFlags, handleTemplate);
break;
case SecurDll.SECUR32:
if ((refContext == null) || refContext.IsInvalid)
{
refContext = new SafeDeleteContext_SECUR32();
}
num = MustRunAcceptSecurityContext_SECUR32(ref inCredentials, handle.IsZero ? null : ((void *)&handle), inputBuffer, inFlags, endianness, refContext, outputBuffer, ref outFlags, handleTemplate);
break;
case SecurDll.SCHANNEL:
if ((refContext == null) || refContext.IsInvalid)
{
refContext = new SafeDeleteContext_SCHANNEL();
}
num = MustRunAcceptSecurityContext_SCHANNEL(ref inCredentials, handle.IsZero ? null : ((void *)&handle), inputBuffer, inFlags, endianness, refContext, outputBuffer, ref outFlags, handleTemplate);
break;
default:
throw new ArgumentException(SR.GetString("net_invalid_enum", new object[] { "SecurDll" }), "Dll");
}
outSecBuffer.size = structArray2[0].count;
outSecBuffer.type = structArray2[0].type;
if (outSecBuffer.size > 0)
{
outSecBuffer.token = new byte[outSecBuffer.size];
Marshal.Copy(structArray2[0].token, outSecBuffer.token, 0, outSecBuffer.size);
return(num);
}
outSecBuffer.token = null;
return(num);
}
}
finally
{
ptrRef2 = null;
}
return(num);
}
}
finally
{
ptrRef = null;
}
}
finally
{
if (handleArray != null)
{
for (int j = 0; j < handleArray.Length; j++)
{
if (handleArray[j].IsAllocated)
{
handleArray[j].Free();
}
}
}
if (handle2.IsAllocated)
{
handle2.Free();
}
if (handleTemplate != null)
{
handleTemplate.Close();
}
}
return(num);
}
internal static unsafe int CompleteAuthToken(SecurDll dll, ref SafeDeleteContext refContext, SecurityBuffer[] inSecBuffers)
{
SecurityBufferStruct[] structArray2;
SecurityBufferDescriptor inputBuffers = new SecurityBufferDescriptor(inSecBuffers.Length);
int num = -2146893055;
GCHandle[] handleArray = null;
SecurityBufferStruct[] structArray = new SecurityBufferStruct[inputBuffers.Count];
if (((structArray2 = structArray) != null) && (structArray2.Length != 0))
{
goto Label_002F;
}
fixed (IntPtr* ptrRef = null)
{
goto Label_0039;
Label_002F:
ptrRef = structArray2;
Label_0039:
inputBuffers.UnmanagedPointer = (void*) ptrRef;
handleArray = new GCHandle[inputBuffers.Count];
for (int i = 0; i < inputBuffers.Count; i++)
{
SecurityBuffer buffer = inSecBuffers[i];
if (buffer != null)
{
structArray[i].count = buffer.size;
structArray[i].type = buffer.type;
if (buffer.unmanagedToken != null)
{
structArray[i].token = buffer.unmanagedToken.DangerousGetHandle();
}
else if ((buffer.token == null) || (buffer.token.Length == 0))
{
structArray[i].token = IntPtr.Zero;
}
else
{
handleArray[i] = GCHandle.Alloc(buffer.token, GCHandleType.Pinned);
structArray[i].token = Marshal.UnsafeAddrOfPinnedArrayElement(buffer.token, buffer.offset);
}
}
}
SSPIHandle handle = new SSPIHandle();
if (refContext != null)
{
handle = refContext._handle;
}
try
{
if (dll == SecurDll.SECURITY)
{
if ((refContext == null) || refContext.IsInvalid)
{
refContext = new SafeDeleteContext_SECURITY();
}
bool success = false;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
try
{
refContext.DangerousAddRef(ref success);
}
catch (Exception exception)
{
if (success)
{
refContext.DangerousRelease();
success = false;
}
if (!(exception is ObjectDisposedException))
{
throw;
}
}
goto Label_0201;
}
finally
{
if (success)
{
num = UnsafeNclNativeMethods.SafeNetHandles_SECURITY.CompleteAuthToken(handle.IsZero ? null : ((void*) &handle), inputBuffers);
refContext.DangerousRelease();
}
}
}
throw new ArgumentException(SR.GetString("net_invalid_enum", new object[] { "SecurDll" }), "Dll");
}
finally
{
if (handleArray != null)
{
for (int j = 0; j < handleArray.Length; j++)
{
if (handleArray[j].IsAllocated)
{
handleArray[j].Free();
}
}
}
}
}
Label_0201:;
return num;
}
internal static unsafe int AcceptSecurityContext(SecurDll dll, ref SafeFreeCredentials inCredentials, ref SafeDeleteContext refContext, ContextFlags inFlags, Endianness endianness, SecurityBuffer inSecBuffer, SecurityBuffer[] inSecBuffers, SecurityBuffer outSecBuffer, ref ContextFlags outFlags)
{
if (inCredentials == null)
{
throw new ArgumentNullException("inCredentials");
}
SecurityBufferDescriptor inputBuffer = null;
if (inSecBuffer != null)
{
inputBuffer = new SecurityBufferDescriptor(1);
}
else if (inSecBuffers != null)
{
inputBuffer = new SecurityBufferDescriptor(inSecBuffers.Length);
}
SecurityBufferDescriptor outputBuffer = new SecurityBufferDescriptor(1);
bool flag = (inFlags & ContextFlags.AllocateMemory) != ContextFlags.Zero;
int num = -1;
SSPIHandle handle = new SSPIHandle();
if (refContext != null)
{
handle = refContext._handle;
}
GCHandle[] handleArray = null;
GCHandle handle2 = new GCHandle();
SafeFreeContextBuffer handleTemplate = null;
try
{
handle2 = GCHandle.Alloc(outSecBuffer.token, GCHandleType.Pinned);
SecurityBufferStruct[] structArray = new SecurityBufferStruct[(inputBuffer == null) ? 1 : inputBuffer.Count];
try
{
SecurityBufferStruct[] structArray3;
if (((structArray3 = structArray) == null) || (structArray3.Length == 0))
{
ptrRef = null;
goto Label_00A5;
}
fixed (IntPtr* ptrRef = structArray3)
{
Label_00A5:
if (inputBuffer != null)
{
inputBuffer.UnmanagedPointer = (void*) ptrRef;
handleArray = new GCHandle[inputBuffer.Count];
for (int i = 0; i < inputBuffer.Count; i++)
{
SecurityBuffer buffer2 = (inSecBuffer != null) ? inSecBuffer : inSecBuffers[i];
if (buffer2 != null)
{
structArray[i].count = buffer2.size;
structArray[i].type = buffer2.type;
if (buffer2.unmanagedToken != null)
{
structArray[i].token = buffer2.unmanagedToken.DangerousGetHandle();
}
else if ((buffer2.token == null) || (buffer2.token.Length == 0))
{
structArray[i].token = IntPtr.Zero;
}
else
{
handleArray[i] = GCHandle.Alloc(buffer2.token, GCHandleType.Pinned);
structArray[i].token = Marshal.UnsafeAddrOfPinnedArrayElement(buffer2.token, buffer2.offset);
}
}
}
}
SecurityBufferStruct[] structArray2 = new SecurityBufferStruct[1];
try
{
SecurityBufferStruct[] structArray4;
if (((structArray4 = structArray2) == null) || (structArray4.Length == 0))
{
ptrRef2 = null;
goto Label_01CB;
}
fixed (IntPtr* ptrRef2 = structArray4)
{
Label_01CB:
outputBuffer.UnmanagedPointer = (void*) ptrRef2;
structArray2[0].count = outSecBuffer.size;
structArray2[0].type = outSecBuffer.type;
if ((outSecBuffer.token == null) || (outSecBuffer.token.Length == 0))
{
structArray2[0].token = IntPtr.Zero;
}
else
{
structArray2[0].token = Marshal.UnsafeAddrOfPinnedArrayElement(outSecBuffer.token, outSecBuffer.offset);
}
if (flag)
{
handleTemplate = SafeFreeContextBuffer.CreateEmptyHandle(dll);
}
switch (dll)
{
case SecurDll.SECURITY:
if ((refContext == null) || refContext.IsInvalid)
{
refContext = new SafeDeleteContext_SECURITY();
}
num = MustRunAcceptSecurityContext_SECURITY(ref inCredentials, handle.IsZero ? null : ((void*) &handle), inputBuffer, inFlags, endianness, refContext, outputBuffer, ref outFlags, handleTemplate);
break;
case SecurDll.SECUR32:
if ((refContext == null) || refContext.IsInvalid)
{
refContext = new SafeDeleteContext_SECUR32();
}
num = MustRunAcceptSecurityContext_SECUR32(ref inCredentials, handle.IsZero ? null : ((void*) &handle), inputBuffer, inFlags, endianness, refContext, outputBuffer, ref outFlags, handleTemplate);
break;
case SecurDll.SCHANNEL:
if ((refContext == null) || refContext.IsInvalid)
{
refContext = new SafeDeleteContext_SCHANNEL();
}
num = MustRunAcceptSecurityContext_SCHANNEL(ref inCredentials, handle.IsZero ? null : ((void*) &handle), inputBuffer, inFlags, endianness, refContext, outputBuffer, ref outFlags, handleTemplate);
break;
default:
throw new ArgumentException(SR.GetString("net_invalid_enum", new object[] { "SecurDll" }), "Dll");
}
outSecBuffer.size = structArray2[0].count;
outSecBuffer.type = structArray2[0].type;
if (outSecBuffer.size > 0)
{
outSecBuffer.token = new byte[outSecBuffer.size];
Marshal.Copy(structArray2[0].token, outSecBuffer.token, 0, outSecBuffer.size);
return num;
}
outSecBuffer.token = null;
return num;
}
}
finally
{
ptrRef2 = null;
}
return num;
}
}
finally
{
ptrRef = null;
}
}
finally
{
if (handleArray != null)
{
for (int j = 0; j < handleArray.Length; j++)
{
if (handleArray[j].IsAllocated)
{
handleArray[j].Free();
}
}
}
if (handle2.IsAllocated)
{
handle2.Free();
}
if (handleTemplate != null)
{
handleTemplate.Close();
}
}
return num;
}
//
private unsafe static int EncryptDecryptHelper(OP op, SSPIInterface SecModule, SafeDeleteContext context, SecurityBuffer[] input, uint sequenceNumber)
{
SecurityBufferDescriptor sdcInOut = new SecurityBufferDescriptor(input.Length);
SecurityBufferStruct[] unmanagedBuffer = new SecurityBufferStruct[input.Length];
fixed(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: throw ExceptionHelper.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)
{
GlobalLog.Assert("SSPIWrapper::EncryptDecryptHelper", "Output buffer out of range.");
iBuffer.size = 0;
iBuffer.offset = 0;
iBuffer.token = null;
}
}
}
// Backup validate the new sizes.
GlobalLog.Assert(iBuffer.offset >= 0 && iBuffer.offset <= (iBuffer.token == null ? 0 : iBuffer.token.Length), "SSPIWrapper::EncryptDecryptHelper|'offset' out of range. [{0}]", iBuffer.offset);
GlobalLog.Assert(iBuffer.size >= 0 && iBuffer.size <= (iBuffer.token == null ? 0 : iBuffer.token.Length - iBuffer.offset), "SSPIWrapper::EncryptDecryptHelper|'size' out of range. [{0}]", iBuffer.size);
}
if (errorCode != 0)
{
if (Logging.On)
{
if (errorCode == 0x90321)
{
Logging.PrintError(Logging.Web, SR.GetString(SR.net_log_operation_returned_something, op, "SEC_I_RENEGOTIATE"));
}
else
{
Logging.PrintError(Logging.Web, SR.GetString(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();
}
}
}
}
}
//
private unsafe static int EncryptDecryptHelper(OP op, SSPIInterface SecModule, SafeDeleteContext context, SecurityBuffer[] input, uint sequenceNumber)
{
SecurityBufferDescriptor sdcInOut = new SecurityBufferDescriptor(input.Length);
SecurityBufferStruct[] unmanagedBuffer = new SecurityBufferStruct[input.Length];
fixed (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: throw ExceptionHelper.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)
{
GlobalLog.Assert("SSPIWrapper::EncryptDecryptHelper", "Output buffer out of range.");
iBuffer.size = 0;
iBuffer.offset = 0;
iBuffer.token = null;
}
}
// Backup validate the new sizes.
GlobalLog.Assert(iBuffer.offset >= 0 && iBuffer.offset <= (iBuffer.token == null ? 0 : iBuffer.token.Length), "SSPIWrapper::EncryptDecryptHelper|'offset' out of range. [{0}]", iBuffer.offset);
GlobalLog.Assert(iBuffer.size >= 0 && iBuffer.size <= (iBuffer.token == null ? 0 : iBuffer.token.Length - iBuffer.offset), "SSPIWrapper::EncryptDecryptHelper|'size' out of range. [{0}]", iBuffer.size);
}
if (errorCode !=0)
if (Logging.On)
{
if (errorCode == 0x90321)
Logging.PrintError(Logging.Web, SR.GetString(SR.net_log_operation_returned_something, op, "SEC_I_RENEGOTIATE"));
else
Logging.PrintError(Logging.Web, SR.GetString(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();
}
}
}
}
}
private static unsafe int EncryptDecryptHelper(OP op, SSPIInterface SecModule, SafeDeleteContext context, SecurityBuffer[] input, uint sequenceNumber)
{
SecurityBufferDescriptor inputOutput = new SecurityBufferDescriptor(input.Length);
SecurityBufferStruct[] structArray = new SecurityBufferStruct[input.Length];
fixed (SecurityBufferStruct* structRef = structArray)
{
int num6;
inputOutput.UnmanagedPointer = (void*) structRef;
GCHandle[] handleArray = new GCHandle[input.Length];
byte[][] bufferArray = new byte[input.Length][];
try
{
int num2;
for (int i = 0; i < input.Length; i++)
{
SecurityBuffer buffer = input[i];
structArray[i].count = buffer.size;
structArray[i].type = buffer.type;
if ((buffer.token == null) || (buffer.token.Length == 0))
{
structArray[i].token = IntPtr.Zero;
}
else
{
handleArray[i] = GCHandle.Alloc(buffer.token, GCHandleType.Pinned);
structArray[i].token = Marshal.UnsafeAddrOfPinnedArrayElement(buffer.token, buffer.offset);
bufferArray[i] = buffer.token;
}
}
switch (op)
{
case OP.Encrypt:
num2 = SecModule.EncryptMessage(context, inputOutput, sequenceNumber);
break;
case OP.Decrypt:
num2 = SecModule.DecryptMessage(context, inputOutput, sequenceNumber);
break;
case OP.MakeSignature:
num2 = SecModule.MakeSignature(context, inputOutput, sequenceNumber);
break;
case OP.VerifySignature:
num2 = SecModule.VerifySignature(context, inputOutput, sequenceNumber);
break;
default:
throw ExceptionHelper.MethodNotImplementedException;
}
for (int j = 0; j < input.Length; j++)
{
SecurityBuffer buffer2 = input[j];
buffer2.size = structArray[j].count;
buffer2.type = structArray[j].type;
if (buffer2.size == 0)
{
buffer2.offset = 0;
buffer2.token = null;
}
else
{
int index = 0;
while (index < input.Length)
{
if (bufferArray[index] != null)
{
byte* numPtr = (byte*) Marshal.UnsafeAddrOfPinnedArrayElement(bufferArray[index], 0);
if ((((void*) structArray[j].token) >= numPtr) && ((((void*) structArray[j].token) + buffer2.size) <= (numPtr + bufferArray[index].Length)))
{
buffer2.offset = (int) ((long) ((((void*) structArray[j].token) - numPtr) / 1));
buffer2.token = bufferArray[index];
break;
}
}
index++;
}
if (index >= input.Length)
{
buffer2.size = 0;
buffer2.offset = 0;
buffer2.token = null;
}
}
}
if ((num2 != 0) && Logging.On)
{
if (num2 == 0x90321)
{
Logging.PrintError(Logging.Web, SR.GetString("net_log_operation_returned_something", new object[] { op, "SEC_I_RENEGOTIATE" }));
}
else
{
Logging.PrintError(Logging.Web, SR.GetString("net_log_operation_failed_with_error", new object[] { op, string.Format(CultureInfo.CurrentCulture, "0X{0:X}", new object[] { num2 }) }));
}
}
num6 = num2;
}
finally
{
for (int k = 0; k < handleArray.Length; k++)
{
if (handleArray[k].IsAllocated)
{
handleArray[k].Free();
}
}
}
return num6;
}
}
