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|
unit nb30;
// This module contains the definitions for portable NetBIOS 3.0
// support.
interface
uses windows;
{***************************************************************
* *
* Data structure templates *
* *
***************************************************************}
const
nbdllname = 'netapi32.dll';
NCBNAMSZ = 16; { absolute length of a net name }
MAX_LANA = 254; { lana's in range 0 to MAX_LANA inclusive }
{
* Network Control Block
}
Type
PNCB = ^_NCB;
NCB_post_type = procedure (p: PNCB); stdcall;
_NCB = packed record
ncb_command : UCHAR; { command code }
ncb_retcode : UCHAR; { return code }
ncb_lsn : UCHAR; { local session number }
ncb_num : UCHAR; { number of our network name }
ncb_buffer : PUCHAR; { address of message buffer }
ncb_length : WORD; { size of message buffer }
ncb_callname : array [0..NCBNAMSZ-1] of UCHAR; { blank-padded name of remote }
ncb_name : array [0..NCBNAMSZ-1] of UCHAR; { our blank-padded netname }
ncb_rto : UCHAR; { rcv timeout/retry count }
ncb_sto : UCHAR; { send timeout/sys timeout }
ncb_post : ncb_post_type; { POST routine address }
ncb_lana_num : UCHAR; { lana (adapter) number }
ncb_cmd_cplt : UCHAR; { $ff => commmand pending }
{$ifdef WIN64}
ncb_reserve : array[0..17] of UCHAR; { reserved, used by BIOS }
{$else}
ncb_reserve : array[0..9] of UCHAR; { reserved, used by BIOS }
{$endif}
ncb_event : THandle; { HANDLE to Win32 event which }
{ will be set to the signalled }
{ state when an ASYNCH command }
{ completes }
end;
NCB = _NCB;
{
* Structure returned to the NCB command NCBASTAT is ADAPTER_STATUS followed
* by an array of NAME_BUFFER structures.
}
ADAPTER_STATUS = packed record
adapter_address : Array [0..5] of UCHAR;
rev_major : UCHAR;
reserved0 : UCHAR;
adapter_type : UCHAR;
rev_minor : UCHAR;
duration : WORD;
frmr_recv : WORD;
frmr_xmit : WORD;
iframe_recv_err : WORD;
xmit_aborts : WORD;
xmit_success : DWORD;
recv_success : DWORD;
iframe_xmit_err : WORD;
recv_buff_unavail : WORD;
t1_timeouts : WORD;
ti_timeouts : WORD;
reserved1 : DWORD;
free_ncbs : WORD;
max_cfg_ncbs : WORD;
max_ncbs : WORD;
xmit_buf_unavail : WORD;
max_dgram_size : WORD;
pending_sess : WORD;
max_cfg_sess : WORD;
max_sess : WORD;
max_sess_pkt_size : WORD;
name_count : WORD;
end;
TADAPTER_STATUS = ADAPTER_STATUS;
PADAPTER_STATUS = ^TADAPTER_STATUS;
NAME_BUFFER = packed record
name : array [0..NCBNAMSZ-1] of UCHAR;
name_num : UCHAR;
name_flags: UCHAR;
end;
TNAME_BUFFER = NAME_BUFFER;
PNAME_BUFFER = ^NAME_BUFFER;
// values for name_flags bits.
Const
NAME_FLAGS_MASK = $87;
GROUP_NAME = $80;
UNIQUE_NAME = $00;
REGISTERING = $00;
REGISTERED = $04;
DEREGISTERED = $05;
DUPLICATE = $06;
DUPLICATE_DEREG = $07;
Type
{
* Structure returned to the NCB command NCBSSTAT is SESSION_HEADER followed
* by an array of SESSION_BUFFER structures. If the NCB_NAME starts with an
* asterisk then an array of these structures is returned containing the
* status for all names.
}
PSESSION_HEADER = ^TSESSION_HEADER;
TSESSION_HEADER = packed record
sess_name : UCHAR;
num_sess : UCHAR;
rcv_dg_outstanding : UCHAR;
rcv_any_outstanding : UCHAR;
end;
PSESSION_BUFFER = ^TSESSION_BUFFER;
TSESSION_BUFFER = packed record
lsn : UCHAR;
state : UCHAR;
local_name : array[0..(NCBNAMSZ)-1] of UCHAR;
remote_name : array[0..(NCBNAMSZ)-1] of UCHAR;
rcvs_outstanding : UCHAR;
sends_outstanding : UCHAR;
end;
// Values for state
Const
LISTEN_OUTSTANDING = $01;
CALL_PENDING = $02;
SESSION_ESTABLISHED = $03;
HANGUP_PENDING = $04;
HANGUP_COMPLETE = $05;
SESSION_ABORTED = $06;
{
* Structure returned to the NCB command NCBENUM.
*
* On a system containing lana's 0, 2 and 3, a structure with
* length =3, lana[0]=0, lana[1]=2 and lana[2]=3 will be returned.
}
Type
PLANA_ENUM = ^TLANA_ENUM;
TLANA_ENUM = packed record
length : UCHAR; // Number of valid entries in lana[]
lana : array[0..(MAX_LANA+1)-1] of UCHAR;
end;
{
* Structure returned to the NCB command NCBFINDNAME is FIND_NAME_HEADER followed
* by an array of FIND_NAME_BUFFER structures.
}
PFIND_NAME_HEADER = ^TFIND_NAME_HEADER;
TFIND_NAME_HEADER = packed record
node_count : WORD;
reserved : UCHAR;
unique_group : UCHAR;
end;
PFIND_NAME_BUFFER = ^TFIND_NAME_BUFFER;
TFIND_NAME_BUFFER = packed record
length : UCHAR;
access_control : UCHAR;
frame_control : UCHAR;
destination_addr : array[0..5] of UCHAR;
source_addr : array[0..5] of UCHAR;
routing_info : array[0..17] of UCHAR;
end;
{
* Structure provided with NCBACTION. The purpose of NCBACTION is to provide
* transport specific extensions to netbios.
}
PACTION_HEADER = ^TACTION_HEADER;
TACTION_HEADER = packed record
transport_id : ULONG;
action_code : USHORT;
reserved : USHORT;
end;
// Values for transport_id
const
ALL_TRANSPORTS = 'M'#0#0#0;
MS_NBF = 'MNBF'#0;
{***************************************************************
* *
* Special values and constants *
* *
***************************************************************}
Const
{
* NCB Command codes
}
NCBCALL = $10; { NCB CALL }
NCBLISTEN = $11; { NCB LISTEN }
NCBHANGUP = $12; { NCB HANG UP }
NCBSEND = $14; { NCB SEND }
NCBRECV = $15; { NCB RECEIVE }
NCBRECVANY = $16; { NCB RECEIVE ANY }
NCBCHAINSEND = $17; { NCB CHAIN SEND }
NCBDGSEND = $20; { NCB SEND DATAGRAM }
NCBDGRECV = $21; { NCB RECEIVE DATAGRAM }
NCBDGSENDBC = $22; { NCB SEND BROADCAST DATAGRAM }
NCBDGRECVBC = $23; { NCB RECEIVE BROADCAST DATAGRAM }
NCBADDNAME = $30; { NCB ADD NAME }
NCBDELNAME = $31; { NCB DELETE NAME }
NCBRESET = $32; { NCB RESET }
NCBASTAT = $33; { NCB ADAPTER STATUS }
NCBSSTAT = $34; { NCB SESSION STATUS }
NCBCANCEL = $35; { NCB CANCEL }
NCBADDGRNAME = $36; { NCB ADD GROUP NAME }
NCBENUM = $37; { NCB ENUMERATE LANA NUMBERS }
NCBUNLINK = $70; { NCB UNLINK }
NCBSENDNA = $71; { NCB SEND NO ACK }
NCBCHAINSENDNA = $72; { NCB CHAIN SEND NO ACK }
NCBLANSTALERT = $73; { NCB LAN STATUS ALERT }
NCBACTION = $77; { NCB ACTION }
NCBFINDNAME = $78; { NCB FIND NAME }
NCBTRACE = $79; { NCB TRACE }
ASYNCH = $80; { high bit set == asynchronous }
{
* NCB Return codes
}
NRC_GOODRET = $00; { good return }
{ also returned when ASYNCH request accepted }
NRC_BUFLEN = $01; { illegal buffer length }
NRC_ILLCMD = $03; { illegal command }
NRC_CMDTMO = $05; { command timed out }
NRC_INCOMP = $06; { message incomplete, issue another command }
NRC_BADDR = $07; { illegal buffer address }
NRC_SNUMOUT = $08; { session number out of range }
NRC_NORES = $09; { no resource available }
NRC_SCLOSED = $0a; { session closed }
NRC_CMDCAN = $0b; { command cancelled }
NRC_DUPNAME = $0d; { duplicate name }
NRC_NAMTFUL = $0e; { name table full }
NRC_ACTSES = $0f; { no deletions, name has active sessions }
NRC_LOCTFUL = $11; { local session table full }
NRC_REMTFUL = $12; { remote session table full }
NRC_ILLNN = $13; { illegal name number }
NRC_NOCALL = $14; { no callname }
NRC_NOWILD = $15; { cannot put * in NCB_NAME }
NRC_INUSE = $16; { name in use on remote adapter }
NRC_NAMERR = $17; { name deleted }
NRC_SABORT = $18; { session ended abnormally }
NRC_NAMCONF = $19; { name conflict detected }
NRC_IFBUSY = $21; { interface busy, IRET before retrying }
NRC_TOOMANY = $22; { too many commands outstanding, retry later }
NRC_BRIDGE = $23; { ncb_lana_num field invalid }
NRC_CANOCCR = $24; { command completed while cancel occurring }
NRC_CANCEL = $26; { command not valid to cancel }
NRC_DUPENV = $30; { name defined by anther local process }
NRC_ENVNOTDEF = $34; { environment undefined. RESET required }
NRC_OSRESNOTAV = $35; { required OS resources exhausted }
NRC_MAXAPPS = $36; { max number of applications exceeded }
NRC_NOSAPS = $37; { no saps available for netbios }
NRC_NORESOURCES = $38; { requested resources are not available }
NRC_INVADDRESS = $39; { invalid ncb address or length > segment }
NRC_INVDDID = $3B; { invalid NCB DDID }
NRC_LOCKFAIL = $3C; { lock of user area failed }
NRC_OPENERR = $3f; { NETBIOS not loaded }
NRC_SYSTEM = $40; { system error }
NRC_PENDING = $ff; { asynchronous command is not yet finished }
{***************************************************************
* *
* main user entry point for NetBIOS 3.0 *
* *
* Usage: result = Netbios( pncb ); *
***************************************************************}
function Netbios(pncb : PNCB):UCHAR; stdcall; external nbdllname name 'Netbios';
implementation
end.
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