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Split the Credential init code off into each concrete credential.

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This commit is contained in:
antiduh
2014-06-30 15:32:31 +00:00
parent 372460a78f
commit 5da12ad4c4
3 changed files with 141 additions and 78 deletions
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79
NSspi/Credentials/Credential.cs
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@@ -22,88 +22,14 @@ namespace NSspi.Credentials
private DateTime expiry;
public Credential(SecurityPackage package, CredentialType credentialType)
public Credential( SecurityPackage package )
{
this.disposed = false;
this.securityPackage = package;
this.expiry = DateTime.MinValue;
Init( package, credentialType );
}
private void Init( SecurityPackage package, CredentialType credentialType )
{
string packageName;
CredentialUse use;
TimeStamp rawExpiry = new TimeStamp();
// -- Package --
if ( package == SecurityPackage.Kerberos )
{
packageName = PackageNames.Kerberos;
}
else if ( package == SecurityPackage.Negotiate )
{
packageName = PackageNames.Negotiate;
}
else if ( package == SecurityPackage.NTLM )
{
packageName = PackageNames.Ntlm;
}
else
{
throw new ArgumentException( "Invalid value provided for the 'package' parameter." );
}
// -- Credential --
if ( credentialType == CredentialType.Client )
{
use = CredentialUse.Outbound;
}
else if ( credentialType == CredentialType.Server )
{
use = CredentialUse.Inbound;
}
else
{
throw new ArgumentException( "Invalid value provided for the 'credentialType' parameter." );
}
// -- Invoke --
SecurityStatus status = SecurityStatus.InternalError;
this.safeCredHandle = new SafeCredentialHandle();
// The finally clause is the actual constrained region. The VM pre-allocates any stack space,
// performs any allocations it needs to prepare methods for execution, and postpones any
// instances of the 'uncatchable' exceptions (ThreadAbort, StackOverflow, OutOfMemory).
RuntimeHelpers.PrepareConstrainedRegions();
try { }
finally
{
status = CredentialNativeMethods.AcquireCredentialsHandle(
null,
packageName,
use,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero,
ref this.safeCredHandle.rawHandle,
ref rawExpiry
);
}
if ( status != SecurityStatus.OK )
{
throw new SSPIException( "Failed to call AcquireCredentialHandle", status );
}
this.expiry = rawExpiry.ToDateTime();
}
~Credential()
{
Dispose( false );
@@ -199,6 +125,7 @@ namespace NSspi.Credentials
return this.expiry;
}
protected set
{
if( this.disposed )