public unsafe static void EncryptMessage(
ref SafeCtxtHandle context,
ref SecBufferDescEx message,
uint MessageSeqNo,
void *pfQOP)
{
try
{
message.Pin();
int error = Secur32Dll.EncryptMessage(
ref context.Handle,
pfQOP,
ref message.SecBufferDesc,
MessageSeqNo);
if (error != 0)
{
throw new SspiException(error, @"EncryptMessage");
}
}
finally
{
message.Free();
}
}
public unsafe static SecurityStatus SafeAcceptSecurityContext(ref SafeCredHandle credential, ref SafeCtxtHandle context, ref SecBufferDescEx input, int contextReq, TargetDataRep targetDataRep, ref SafeCtxtHandle newContext, ref SecBufferDescEx output, out int contextAttr, out long timeStamp)
{
SecurityStatus result;
try
{
input.Pin();
output.Pin();
try
{
fixed(IntPtr *ptr = (IntPtr *)(&context.Handle))
{
int error = Secur32Dll.AcceptSecurityContext(ref credential.Handle, context.IsInvalid ? null : ((void *)ptr), ref input.SecBufferDesc, contextReq, (int)targetDataRep, ref newContext.Handle, ref output.SecBufferDesc, out contextAttr, out timeStamp);
result = Sspi.Convert(error);
}
}
finally
{
IntPtr *ptr = null;
}
}
catch
{
contextAttr = 0;
timeStamp = 0L;
result = (SecurityStatus)4294967295u;
}
finally
{
input.Free();
output.Free();
}
return(result);
}
public unsafe static SecurityStatus SafeVerifySignature(
SafeCtxtHandle context,
ref SecBufferDescEx message,
int sequence)
{
try
{
message.Pin();
int qop;
var error = Secur32Dll.VerifySignature(
ref context.Handle,
ref message.SecBufferDesc,
sequence,
out qop);
return(Convert(error));
}
catch
{
return(SecurityStatus.SEC_E_UNKNOW_ERROR);
}
finally
{
message.Free();
}
}
public unsafe static SecurityStatus SafeDecryptMessage(
ref SafeCtxtHandle context,
ref SecBufferDescEx message,
uint MessageSeqNo,
void *pfQOP)
{
try
{
message.Pin();
int error = Secur32Dll.DecryptMessage(
ref context.Handle,
ref message.SecBufferDesc,
MessageSeqNo,
pfQOP);
return(Convert(error));
}
catch
{
return(SecurityStatus.SEC_E_UNKNOW_ERROR);
}
finally
{
message.Free();
}
}
public static SafeCredHandle SafeAcquireCredentialsHandle(string package, CredentialUse credentialUse)
{
CredHandle credHandle;
long num;
Secur32Dll.AcquireCredentialsHandleA(null, package, (int)credentialUse, null, null, null, null, out credHandle, out num);
return(new SafeCredHandle(credHandle));
}
public unsafe static void QueryContextAttributes(ref SafeCtxtHandle context, UlAttribute attribute, void *buffer)
{
int num = Secur32Dll.QueryContextAttributesA(ref context.Handle, (uint)attribute, buffer);
if (num != 0)
{
throw new SspiException(num, "QueryContextAttributesA");
}
}
public unsafe static SecurityStatus SafeQueryContextAttributes(ref SafeCtxtHandle context, out string name)
{
SecPkgContext_Names[] array = new SecPkgContext_Names[1];
fixed(IntPtr *ptr = array)
{
SecurityStatus result = Sspi.SafeQueryContextAttributes(ref context, UlAttribute.SECPKG_ATTR_NAMES, (void *)ptr);
name = Marshal.PtrToStringAnsi(array[0].sUserName);
Secur32Dll.FreeContextBuffer(array[0].sUserName);
return(result);
}
}
public static unsafe void AcquireCredentialsHandle(
CredentialUse credentialUse,
SchannelCred authData,
out SafeCredHandle credential,
out long expiry)
{
CredHandle handle;
GCHandle paCredHandle = new GCHandle();
IntPtr[] paCred = null;
if (authData.cCreds > 0)
{
paCred = new IntPtr[] { authData.paCreds1 };
paCredHandle = GCHandle.Alloc(paCred, GCHandleType.Pinned);
authData.paCreds1 = paCredHandle.AddrOfPinnedObject();
}
try
{
int error = Secur32Dll.AcquireCredentialsHandleA(
null,
Secur32Dll.UNISP_NAME,
(int)credentialUse,
null,
&authData,
null,
null,
out handle,
out expiry);
if (error != 0)
{
throw new SspiException(error, @"AcquireCredentialsHandleA");
}
credential = new SafeCredHandle(handle);
}
finally
{
if (paCredHandle.IsAllocated)
{
paCredHandle.Free();
}
if (paCred != null)
{
authData.paCreds1 = paCred[0];
}
}
}
public unsafe static SecurityStatus SafeQueryContextAttributes(ref SafeCtxtHandle context, UlAttribute attribute, void *buffer)
{
SecurityStatus result;
try
{
int error = Secur32Dll.QueryContextAttributesA(ref context.Handle, (uint)attribute, buffer);
result = Sspi.Convert(error);
}
catch
{
result = (SecurityStatus)4294967295u;
}
return(result);
}
public unsafe static SecurityStatus SafeQueryContextAttributes(
ref SafeCtxtHandle context,
out string name)
{
var names = new SecPkgContext_Names[1];
fixed(void *buffer = names)
{
var result = SafeQueryContextAttributes(ref context, UlAttribute.SECPKG_ATTR_NAMES, buffer);
name = Marshal.PtrToStringAnsi(names[0].sUserName);
Secur32Dll.FreeContextBuffer(names[0].sUserName);
return(result);
}
}
public static unsafe SecurityStatus SafeAcceptSecurityContext(
ref SafeCredHandle credential,
ref SafeCtxtHandle context,
ref SecBufferDescEx input,
int contextReq,
TargetDataRep targetDataRep,
ref SafeCtxtHandle newContext,
ref SecBufferDescEx output,
out int contextAttr,
out long timeStamp)
{
try
{
input.Pin();
output.Pin();
fixed(void *fixedContext = &context.Handle)
{
int error = Secur32Dll.AcceptSecurityContext(
ref credential.Handle,
(context.IsInvalid) ? null : fixedContext,
ref input.SecBufferDesc,
contextReq,
(int)targetDataRep,
ref newContext.Handle,
ref output.SecBufferDesc,
out contextAttr,
out timeStamp);
return(Convert(error));
}
}
catch
{
contextAttr = 0;
timeStamp = 0;
return(SecurityStatus.SEC_E_UNKNOW_ERROR);
}
finally
{
input.Free();
output.Free();
}
}
public unsafe static SecurityStatus SafeQueryContextAttributes(
ref SafeCtxtHandle context,
UlAttribute attribute,
void *buffer)
{
try
{
int error = Secur32Dll.QueryContextAttributesA(
ref context.Handle,
(uint)attribute,
buffer);
return(Convert(error));
}
catch
{
return(SecurityStatus.SEC_E_UNKNOW_ERROR);
}
}
public static SecurityStatus SafeMakeSignature(SafeCtxtHandle context, ref SecBufferDescEx message, int sequence)
{
SecurityStatus result;
try
{
message.Pin();
int error = Secur32Dll.MakeSignature(ref context.Handle, 0, ref message.SecBufferDesc, sequence);
result = Sspi.Convert(error);
}
catch
{
result = (SecurityStatus)4294967295u;
}
finally
{
message.Free();
}
return(result);
}
public unsafe static SecurityStatus SafeDecryptMessage(ref SafeCtxtHandle context, ref SecBufferDescEx message, uint MessageSeqNo, void *pfQOP)
{
SecurityStatus result;
try
{
message.Pin();
int error = Secur32Dll.DecryptMessage(ref context.Handle, ref message.SecBufferDesc, MessageSeqNo, pfQOP);
result = Sspi.Convert(error);
}
catch
{
result = (SecurityStatus)4294967295u;
}
finally
{
message.Free();
}
return(result);
}
public unsafe static void AcquireCredentialsHandle(CredentialUse credentialUse, SchannelCred authData, out SafeCredHandle credential, out long expiry)
{
GCHandle gCHandle = default(GCHandle);
IntPtr[] array = null;
if (authData.cCreds > 0)
{
array = new IntPtr[]
{
authData.paCreds1
};
gCHandle = GCHandle.Alloc(array, GCHandleType.Pinned);
authData.paCreds1 = gCHandle.AddrOfPinnedObject();
}
try
{
CredHandle credHandle;
int num = Secur32Dll.AcquireCredentialsHandleA(null, "Microsoft Unified Security Protocol Provider", (int)credentialUse, null, (void *)(&authData), null, null, out credHandle, out expiry);
if (num != 0)
{
throw new SspiException(num, "AcquireCredentialsHandleA");
}
credential = new SafeCredHandle(credHandle);
}
finally
{
if (gCHandle.IsAllocated)
{
gCHandle.Free();
}
if (array != null)
{
authData.paCreds1 = array[0];
}
}
}
public static unsafe SafeCredHandle SafeAcquireCredentialsHandle(string package, CredentialUse credentialUse)
{
long expiry;
CredHandle handle;
try
{
int error = Secur32Dll.AcquireCredentialsHandleA(
null,
package,
(int)credentialUse,
null,
null,
null,
null,
out handle,
out expiry);
return(new SafeCredHandle(handle));
}
finally
{
}
}
protected override bool ReleaseHandle()
{
return(Secur32Dll.DeleteSecurityContext(ref this.Handle) == 0);
}
protected override bool ReleaseHandle()
{
return(Secur32Dll.FreeContextBuffer(this.handle) == 0);
}
protected override bool ReleaseHandle()
{
return(Secur32Dll.FreeCredentialsHandle(ref Handle) == 0);
}
public static SecurityStatus EnumerateSecurityPackages(out int packages, out SafeContextBufferHandle secPkgInfos)
{
return(Convert(
Secur32Dll.EnumerateSecurityPackagesA(out packages, out secPkgInfos)));
}
