internal static int EnumeratePackages(SecurDll Dll, out int pkgnum, out SafeFreeContextBuffer pkgArray)
{
int num = -1;
switch (Dll)
{
case SecurDll.SECURITY:
{
SafeFreeContextBuffer_SECURITY handle = null;
num = UnsafeNclNativeMethods.SafeNetHandles_SECURITY.EnumerateSecurityPackagesW(out pkgnum, out handle);
pkgArray = handle;
break;
}
case SecurDll.SECUR32:
{
SafeFreeContextBuffer_SECUR32 r_secur = null;
num = UnsafeNclNativeMethods.SafeNetHandles_SECUR32.EnumerateSecurityPackagesA(out pkgnum, out r_secur);
pkgArray = r_secur;
break;
}
case SecurDll.SCHANNEL:
{
SafeFreeContextBuffer_SCHANNEL r_schannel = null;
num = UnsafeNclNativeMethods.SafeNetHandles_SCHANNEL.EnumerateSecurityPackagesA(out pkgnum, out r_schannel);
pkgArray = r_schannel;
break;
}
default:
throw new ArgumentException(SR.GetString("net_invalid_enum", new object[] { "SecurDll" }), "Dll");
}
if ((num != 0) && (pkgArray != null))
{
pkgArray.SetHandleAsInvalid();
}
return num;
}
public int EnumerateSecurityPackages(out int pkgnum, out SafeFreeContextBuffer pkgArray)
{
if (GlobalLog.IsEnabled)
{
GlobalLog.Print("SSPIAuthType::EnumerateSecurityPackages()");
}
return SafeFreeContextBuffer.EnumeratePackages(out pkgnum, out pkgArray);
}
//
//
internal static int EnumeratePackages(SecurDll Dll, out int pkgnum, out SafeFreeContextBuffer pkgArray) {
int res = -1;
switch (Dll) {
case SecurDll.SECURITY:
SafeFreeContextBuffer_SECURITY pkgArray_SECURITY = null;
res = UnsafeNclNativeMethods.SafeNetHandles_SECURITY.EnumerateSecurityPackagesW(out pkgnum, out pkgArray_SECURITY);
pkgArray = pkgArray_SECURITY;
break;
default: throw new ArgumentException(SR.GetString(SR.net_invalid_enum, "SecurDll"), "Dll");
}
if (res != 0 && pkgArray != null) {
pkgArray.SetHandleAsInvalid();
}
return res;
}
//
// 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;
}
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);
}
public int EnumerateSecurityPackages(out int pkgnum, out SafeFreeContextBuffer pkgArray) {
GlobalLog.Print("SSPISecureChannelType::EnumerateSecurityPackages()");
return SafeFreeContextBuffer.EnumeratePackages(Library, out pkgnum, out pkgArray);
}
public int EnumerateSecurityPackages(out int pkgnum, out SafeFreeContextBuffer pkgArray)
{
GlobalLog.Print("SSPISecureChannelType::EnumerateSecurityPackages()");
return(SafeFreeContextBuffer.EnumeratePackages(Library, out pkgnum, out pkgArray));
}
public int SetContextAttributes(SafeDeleteContext phContext, ContextAttribute attribute, byte[] buffer)
{
return(SafeFreeContextBuffer.SetContextAttributes(Library, phContext, attribute, buffer));
}
public int SetContextAttributes(SafeDeleteContext phContext, Interop.SspiCli.ContextAttribute attribute, byte[] buffer)
{
return(SafeFreeContextBuffer.SetContextAttributes(phContext, attribute, buffer));
}
public int EnumerateSecurityPackages(out int pkgnum, out SafeFreeContextBuffer pkgArray)
{
if (NetEventSource.IsEnabled) NetEventSource.Info(this);
return SafeFreeContextBuffer.EnumeratePackages(out pkgnum, out pkgArray);
}
public int EnumerateSecurityPackages(out int pkgnum, out SafeFreeContextBuffer pkgArray)
{
return(SafeFreeContextBuffer.EnumeratePackages(Library, out pkgnum, out pkgArray));
}
public int EnumerateSecurityPackages(out int pkgnum, out SafeFreeContextBuffer pkgArray)
{
return SafeFreeContextBuffer.EnumeratePackages(Library, out pkgnum, out pkgArray);
}
