SafeFreeCredentials.cs

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using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
 
namespace System.Net.Security;
 
internal abstract class SafeFreeCredentials : SafeHandle
{
    internal global::Interop.SspiCli.CredHandle _handle;
 
    public override bool IsInvalid
    {
        get
        {
            if (!base.IsClosed)
            {
                return _handle.IsZero;
            }
            return true;
        }
    }
 
    protected SafeFreeCredentials()
        : base(IntPtr.Zero, ownsHandle: true)
    {
        _handle = default(global::Interop.SspiCli.CredHandle);
    }
 
    public unsafe static int AcquireDefaultCredential(string package, global::Interop.SspiCli.CredentialUse intent, out System.Net.Security.SafeFreeCredentials outCredential)
    {
        int num = -1;
        outCredential = new System.Net.Security.SafeFreeCredential_SECURITY();
        num = global::Interop.SspiCli.AcquireCredentialsHandleW(null, package, (int)intent, null, IntPtr.Zero, null, null, ref outCredential._handle, out var _);
        if (System.Net.NetEventSource.Log.IsEnabled())
        {
            System.Net.NetEventSource.Verbose(null, FormattableStringFactory.Create("{0} returns 0x{1:x}, handle = {2}", "AcquireCredentialsHandleW", num, outCredential), "AcquireDefaultCredential");
        }
        if (num != 0)
        {
            outCredential.SetHandleAsInvalid();
        }
        return num;
    }
 
    public unsafe static int AcquireCredentialsHandle(string package, global::Interop.SspiCli.CredentialUse intent, ref System.Net.Security.SafeSspiAuthDataHandle authdata, out System.Net.Security.SafeFreeCredentials outCredential)
    {
        int num = -1;
        outCredential = new System.Net.Security.SafeFreeCredential_SECURITY();
        num = global::Interop.SspiCli.AcquireCredentialsHandleW(null, package, (int)intent, null, authdata, null, null, ref outCredential._handle, out var _);
        if (num != 0)
        {
            outCredential.SetHandleAsInvalid();
        }
        return num;
    }
}