private static void FillUserNamePasswordLogonInfoBuffer(string domain, string username, string password, out int logonInfoSize, out SafeHGlobalHandle pLogonInfo)
{
//LogonInfo
logonInfoSize = 0;
int domainLength = 0; int usernameLength = 0; int passwordLength = 0;
byte[] domainBytes = null; byte[] userNameBytes = null; byte[] passwordBytes = null;
IntPtr LogonDomainNamePtr = IntPtr.Zero;
IntPtr UsernamePtr = IntPtr.Zero;
IntPtr PasswordPtr = IntPtr.Zero;
if (!String.IsNullOrEmpty(domain))
{
domainBytes = System.Text.Encoding.Unicode.GetBytes(domain);
domainLength = domainBytes.Length;
}
if (!String.IsNullOrEmpty(username))
{
userNameBytes = System.Text.Encoding.Unicode.GetBytes(username);
usernameLength = userNameBytes.Length;
}
if (!String.IsNullOrEmpty(password))
{
passwordBytes = System.Text.Encoding.Unicode.GetBytes(password);
passwordLength = passwordBytes.Length;
}
logonInfoSize = checked (Marshal.SizeOf(typeof(INTERACTIVE_LOGON)) + usernameLength + passwordLength + domainLength);
pLogonInfo = SafeHGlobalHandle.AllocHGlobal(logonInfoSize);
unsafe
{
LogonDomainNamePtr = new IntPtr(pLogonInfo.DangerousGetHandle().ToInt64() + Marshal.SizeOf(typeof(INTERACTIVE_LOGON)));
if (domainBytes != null)
{
Marshal.Copy(domainBytes, 0, LogonDomainNamePtr, domainLength);
}
UsernamePtr = new IntPtr(pLogonInfo.DangerousGetHandle().ToInt64() + Marshal.SizeOf(typeof(INTERACTIVE_LOGON)) + domainLength);
if (userNameBytes != null)
{
Marshal.Copy(userNameBytes, 0, UsernamePtr, usernameLength);
}
PasswordPtr = new IntPtr(pLogonInfo.DangerousGetHandle().ToInt64() + Marshal.SizeOf(typeof(INTERACTIVE_LOGON)) + domainLength + usernameLength);
if (passwordBytes != null)
{
Marshal.Copy(passwordBytes, 0, PasswordPtr, passwordLength);
}
INTERACTIVE_LOGON *pInfo = (INTERACTIVE_LOGON *)pLogonInfo.DangerousGetHandle().ToPointer();
pInfo->MessageType = (int)KERB_LOGON_SUBMIT_TYPE.KerbInteractiveLogon;
pInfo->LogonDomainName = new UNICODE_INTPTR_STRING(domainLength, domainLength + 1, LogonDomainNamePtr);
pInfo->UserName = new UNICODE_INTPTR_STRING(usernameLength, usernameLength + 1, UsernamePtr);
pInfo->Password = new UNICODE_INTPTR_STRING(passwordLength, passwordLength + 1, PasswordPtr);
}
}
//callers should delete the allocated memory by closing SafeHGlobalHandle pHandle
internal static UNICODE_INTPTR_STRING ConvertByteStringToUnicodeIntPtrString(byte[] byteString, out SafeHGlobalHandle pHandle)
{
pHandle = SafeHGlobalHandle.AllocHGlobal(byteString.Length + 1);
Marshal.Copy(byteString, 0, pHandle.DangerousGetHandle(), byteString.Length);
return(new UNICODE_INTPTR_STRING(byteString.Length, byteString.Length + 1, pHandle.DangerousGetHandle()));
}
