private WindowsIdentity CreateWindowsIdentity(string username, string domain, string password, SecurityLogOnType logonType, LogOnProviderType logonProviderType, SecurityImpersonationLevel impersonationLevel)
{
// initialize tokens
var existingTokenHandle = IntPtr.Zero;
var duplicateTokenHandle = IntPtr.Zero;
if (!NativeMethods.LogonUser(
username,
domain,
password,
(int)logonType,
(int)logonProviderType,
out existingTokenHandle))
{
throw Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error());
}
if (!NativeMethods.DuplicateToken(existingTokenHandle, (int)impersonationLevel, out duplicateTokenHandle))
{
NativeMethods.CloseHandle(existingTokenHandle);
throw Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error());
}
// create new identity using new primary token
return new WindowsIdentity(duplicateTokenHandle);
}
private WindowsIdentity CreateWindowsIdentity(string username, string domain, string password, SecurityLogOnType logonType, LogOnProviderType logonProviderType, SecurityImpersonationLevel impersonationLevel)
{
// initialize tokens
var existingTokenHandle = IntPtr.Zero;
var duplicateTokenHandle = IntPtr.Zero;
if (!NativeMethods.LogonUser(
username,
domain,
password,
(int)logonType,
(int)logonProviderType,
out existingTokenHandle))
{
throw Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error());
}
if (!NativeMethods.DuplicateToken(existingTokenHandle, (int)impersonationLevel, out duplicateTokenHandle))
{
NativeMethods.CloseHandle(existingTokenHandle);
throw Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error());
}
// create new identity using new primary token
return(new WindowsIdentity(duplicateTokenHandle));
}
public NewIdentityHandle(string userName, string domain, string password, SecurityLogOnType logOnType, LogOnProviderType logOnProvider, SecurityImpersonationLevel impersonationLevel)
{
if (!NativeMethods.LogonUser(
userName,
domain,
password,
(int)logOnType,
(int)logOnProvider,
out var logonHandle))
{
throw Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error());
}
#if NETSTANDARD
Handle = logonHandle;
#else
// adapted from:
// https://www.codeproject.com/csharp/cpimpersonation1.asp
if (!NativeMethods.DuplicateToken(logonHandle, (int)impersonationLevel, out _handle))
{
NativeMethods.CloseHandle(logonHandle);
throw Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error());
}
NativeMethods.CloseHandle(logonHandle);
// create new identity using new primary token)
Handle = new WindowsIdentity(_handle);
#endif
}
