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CERs around the handle usage in MakeSignature and VerifySignature

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This commit is contained in:
antiduh
2014-06-27 01:47:43 +00:00
parent fc9daf3611
commit 4224193f6f
1 changed files with 62 additions and 13 deletions
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75
Contexts/Context.cs
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@@ -279,13 +279,37 @@ namespace NSspi.Contexts
using ( adapter = new SecureBufferAdapter( new[] { dataBuffer, signatureBuffer } ) ) using ( adapter = new SecureBufferAdapter( new[] { dataBuffer, signatureBuffer } ) )
{ {
// TODO CER bool gotRef = false;
status = ContextNativeMethods.MakeSignature(
ref this.ContextHandle.rawHandle, RuntimeHelpers.PrepareConstrainedRegions();
0, try
adapter.Handle, {
0 this.ContextHandle.DangerousAddRef( ref gotRef );
); }
catch ( Exception )
{
if ( gotRef )
{
this.ContextHandle.DangerousRelease();
gotRef = false;
}
throw;
}
finally
{
if ( gotRef )
{
status = ContextNativeMethods.MakeSignature(
ref this.ContextHandle.rawHandle,
0,
adapter.Handle,
0
);
this.ContextHandle.DangerousRelease();
}
}
} }
if ( status != SecurityStatus.OK ) if ( status != SecurityStatus.OK )
@@ -360,12 +384,37 @@ namespace NSspi.Contexts
using ( adapter = new SecureBufferAdapter( new[] { dataBuffer, signatureBuffer } ) ) using ( adapter = new SecureBufferAdapter( new[] { dataBuffer, signatureBuffer } ) )
{ {
status = ContextNativeMethods.VerifySignature( bool gotRef = false;
ref this.ContextHandle.rawHandle,
adapter.Handle, RuntimeHelpers.PrepareConstrainedRegions();
0, try
0 {
); this.ContextHandle.DangerousAddRef( ref gotRef );
}
catch ( Exception )
{
if ( gotRef )
{
this.ContextHandle.DangerousRelease();
gotRef = false;
}
throw;
}
finally
{
if ( gotRef )
{
status = ContextNativeMethods.VerifySignature(
ref this.ContextHandle.rawHandle,
adapter.Handle,
0,
0
);
this.ContextHandle.DangerousRelease();
}
}
} }
if ( status == SecurityStatus.OK ) if ( status == SecurityStatus.OK )