/// <summary>
/// Constructor.
/// </summary>
/// <param name="principal">User principal.</param>
/// <param name="package">The package name.</param>
/// <param name="auth_id">Optional authentication ID for the user.</param>
/// <param name="cred_use_flag">Credential user flags.</param>
/// <param name="auth_data">Optional authentication data.</param>
public CredentialHandle(string principal, string package, Luid?auth_id,
SecPkgCredFlags cred_use_flag, SafeBuffer auth_data)
{
if (package == null)
{
throw new ArgumentNullException(nameof(package));
}
OptionalLuid luid = null;
if (auth_id.HasValue)
{
luid = new OptionalLuid()
{
luid = auth_id.Value
};
}
SecHandle cred_handle = new SecHandle();
LargeInteger expiry = new LargeInteger();
SecurityNativeMethods.AcquireCredentialsHandle(principal, package, cred_use_flag,
luid, auth_data ?? SafeHGlobalBuffer.Null,
IntPtr.Zero, IntPtr.Zero, cred_handle, expiry)
.CheckResult();
CredHandle = cred_handle;
PackageName = package;
Expiry = expiry.QuadPart;
}
internal static extern SecStatusCode AcquireCredentialsHandle(
string pszPrincipal,
string pszPackage,
SecPkgCredFlags fCredentialUse,
OptionalLuid pvLogonId,
SafeBuffer pAuthData,
IntPtr pGetKeyFn,
IntPtr pvGetKeyArgument,
[Out] SecHandle phCredential,
[Out] LargeInteger ptsExpiry
);