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  1 /******************************************************************************
  2 *
  3 * Copyright (C) 2008, The Gentee Group. All rights reserved. 
  4 * This file is part of the Gentee open source project - http://www.gentee.com. 
  5 * 
  6 * THIS FILE IS PROVIDED UNDER THE TERMS OF THE GENTEE LICENSE ("AGREEMENT"). 
  7 * ANY USE, REPRODUCTION OR DISTRIBUTION OF THIS FILE CONSTITUTES RECIPIENTS 
  8 * ACCEPTANCE OF THE AGREEMENT.
  9 *
 10 * Author: Alexey Krivonogov ( gentee )
 11 *
 12 ******************************************************************************/
 13 
 14 define
 15 {
 16    NCBNAMSZ    =  16    // absolute length of a net name           
 17    MAX_LANA    =  254   // lana's in range 0 to MAX_LANA inclusive
 18    
 19    NCBRESET    = 0x32   // NCB RESET
 20    NCBASTAT    = 0x33   // NCB ADAPTER STATUS                 
 21    NCBENUM     = 0x37   // NCB ENUMERATE LANA NUMBERS         
 22 }
 23 
 24 type NCB {
 25     ubyte   ncb_command            // command code                   
 26     ubyte   ncb_retcode            // return code                    
 27     ubyte   ncb_lsn                // local session number           
 28     ubyte   ncb_num                // number of our network name     
 29     uint    ncb_buffer             // address of message buffer      
 30     ushort  ncb_length             // size of message buffer         
 31     reserved   ncb_callname[ $NCBNAMSZ] // blank-padded name of remote    
 32     reserved   ncb_name[ $NCBNAMSZ]     // our blank-padded netname       
 33     ubyte   ncb_rto                // rcv timeout/retry count        
 34     ubyte   ncb_sto                // send timeout/sys timeout       
 35     uint    ncb_post               // POST routine address        
 36     ubyte   ncb_lana_num           // lana (adapter) number          
 37     ubyte   ncb_cmd_cplt           // 0xff => commmand pending       
 38     reserved ncb_reserve[10]       // reserved, used by BIOS
 39     uint     ncb_event      // HANDLE to Win32 event which will be set to the
 40                             // signalled state when an ASYNCH command completes
 41 }
 42 
 43 type ADAPTER_STATUS {
 44     reserved   adapter_address[6]
 45     ubyte   rev_major
 46     ubyte   reserved0
 47     ubyte   adapter_type
 48     ubyte   rev_minor
 49     ushort    duration
 50     ushort    frmr_recv
 51     ushort    frmr_xmit
 52 
 53     ushort    iframe_recv_err
 54 
 55     ushort    xmit_aborts
 56     uint      xmit_success
 57     uint      recv_success
 58 
 59     ushort    iframe_xmit_err
 60 
 61     ushort    recv_buff_unavail
 62     ushort    t1_timeouts
 63     ushort    ti_timeouts
 64     uint      reserved1
 65     ushort    free_ncbs
 66     ushort    max_cfg_ncbs
 67     ushort    max_ncbs
 68     ushort    xmit_buf_unavail
 69     ushort    max_dgram_size
 70     ushort    pending_sess
 71     ushort    max_cfg_sess
 72     ushort    max_sess
 73     ushort    max_sess_pkt_size
 74     ushort    name_count
 75 }
 76 
 77 type NAME_BUFFER {
 78     reserved name[ $NCBNAMSZ ]
 79     ubyte    name_num
 80     ubyte    name_flags
 81 }
 82 
 83 type LANA_ENUM {
 84     ubyte    length          //  Number of valid entries in lana[]
 85     reserved lana[ $MAX_LANA+1 ]
 86 }
 87 
 88 type adapter
 89 {    
 90     ADAPTER_STATUS adapt
 91     reserved       NameBuff[ 540 ] // 30 * NAME_BUFFER
 92 }
 93 
 94 import "netapi32.dll"
 95 {
 96    ubyte Netbios( NCB )
 97 }
 98 
 99 func uint nb_getmac( arr mac )
100 {
101    uint ret ok
102    NCB  ncb
103    adapter   ad
104    LANA_ENUM lenum
105  
106    mac.clear()  
107    ncb.ncb_command = $NCBENUM
108    ncb.ncb_buffer = &lenum
109    ncb.ncb_length = sizeof( LANA_ENUM )
110    if ok = Netbios( ncb ) : return 0
111    mzero( &ncb, sizeof( NCB ))   
112       
113    ncb.ncb_command = $NCBRESET
114    ncb.ncb_lana_num = lenum.lana[0]
115    if ok = Netbios( ncb ) : return 0
116    mzero( &ncb, sizeof( NCB ))   
117    ncb.ncb_command = $NCBASTAT
118    ncb.ncb_lana_num = lenum.lana[0]    
119    mcopy( &ncb.ncb_callname, "*               ".ptr(), 16 )
120    ncb.ncb_buffer = &ad 
121 	ncb.ncb_length = sizeof( adapter )
122    if !Netbios( ncb )
123 	{
124       mac.expand( 6 )
125       fornum ok = 0, 6
126       { 
127          mac[ ok ] = ad.adapt.adapter_address[ ok ]
128       }  
129 	}
130    return 1
131 }