public void Save()
{
var result = UnsafeAdvapi32.CredWriteW(ref _nativeCredential, 0);
if (!result)
{
var error = (CredentialErrors)Marshal.GetLastWin32Error();
switch (error)
{
case CredentialErrors.Success:
case CredentialErrors.NotFound:
break;
case CredentialErrors.BadUsername:
throw new InvalidOperationException("UserName was not specified correctly.");
case CredentialErrors.NoSuchLogonSession:
case CredentialErrors.InvalidFlags:
throw new Win32Exception((int)error);
default:
throw new InvalidOperationException("Unexpected error saving credential.");
}
}
}
public IEnumerable <Credential> GetCredentials()
{
int count;
IntPtr ptr;
if (!UnsafeAdvapi32.CredEnumerateW(null, 0x1, out count, out ptr))
{
var error = (CredentialErrors)Marshal.GetLastWin32Error();
switch (error)
{
case CredentialErrors.Success:
break;
case CredentialErrors.NotFound:
return(Enumerable.Empty <Credential>());
case CredentialErrors.NoSuchLogonSession:
case CredentialErrors.InvalidFlags:
throw new Win32Exception((int)error);
default:
throw new InvalidOperationException("Unexpected error while fetching credentials.");
}
}
var credentials = Enumerable.Range(0, count)
.Select(i => Marshal.ReadIntPtr(ptr, i * IntPtr.Size))
.Select(p => new Credential((NativeCredential)Marshal.PtrToStructure(p, typeof(NativeCredential))));
return(credentials);
}
public void DeleteCredential(Credential credential)
{
if (!UnsafeAdvapi32.CredDeleteW(credential.TargetName, credential.Type, 0))
{
var error = (CredentialErrors)Marshal.GetLastWin32Error();
switch (error)
{
case CredentialErrors.Success:
case CredentialErrors.NotFound:
break;
case CredentialErrors.NoSuchLogonSession:
case CredentialErrors.InvalidFlags:
throw new Win32Exception((int)error);
default:
throw new InvalidOperationException("Unexpected error while removing credential.");
}
}
}
