Форум: "Сети";
Текущий архив: 2005.03.27;
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physical adress cетевухи?   Найти похожие ветки 

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Studentas   (2005-01-13 12:40) [0]

как узнать physical adress cетевухи?
во всех версиях Виндоw?

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← →
Verg ©   (2005-01-13 13:38) [1]

Начиная с 98-ой
Функциями GetAdaptersInfo или GetIfTable из iphlpapi.dll

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← →
XmeD   (2005-01-24 17:15) [2]

{
*** Get MAC Adress ***
*** by Filip Skalka, fip@post.cz ***
*** September 2002 ***

*** Edition 2004 ***
   by XmeD
}

unit MACAdress;
interface
uses classes, ShellAPI, WinSock, Windows;

function GetMACAdresses(const Adresses:TStringList;const MachineName:string=""):integer;
function GetMACAdress(const MachineName:string=""):string;
function GetComputerNetName: string;
function GetLocalIP: String;
function IsNetConnection: Boolean;

implementation
uses NB30,sysutils;

type
ENetBIOSError=class(Exception);

function NetBiosCheck(const b:char):char;
begin
if b<>chr(NRC_GOODRET) then raise ENetBIOSError.create("NetBios error"#13#10"Error code "+inttostr(ord(b)));
result:=b;
end;

function AdapterToString(const Adapter:PAdapterStatus):string;
begin
with Adapter^ do Result :=Format("%2.2x-%2.2x-%2.2x-%2.2x-%2.2x-%2.2x",[Integer(adapter_address[0]),Integer(adapter_address[1]),Integer(adapter_ address[2]), Integer(adapter_address[3]),Integer(adapter_address[4]), Integer(adapter_address[5])]);
end;

function GetLocalIP: String;
const WSVer = $101;
var
 wsaData: TWSAData;
 P: PHostEnt;
 Buf: array [0..127] of Char;
begin
 Result := "";
 if WSAStartup(WSVer, wsaData) = 0 then begin
   if GetHostName(@Buf, 128) = 0 then begin
     P := GetHostByName(@Buf);
     if P <> nil then Result := iNet_ntoa(PInAddr(p^.h_addr_list^)^);
   end;
   WSACleanup;
 end;
end;

function GetComputerNetName: string;
var
   buffer: array[0..255] of char;
   size: dword;
begin
   size := 256;
   if GetComputerName(buffer, size) then
       Result := buffer
   else
       Result := ""
end;

function IsNetConnection: Boolean;
begin
 if GetSystemMetrics(SM_NETWORK) and $01 = $01 then
   result := True
 else
   result := False;
end;

procedure MachineNameToAdapter(Name:string;var AdapterName:array of char);
begin
if Name="" then Name:="*" else Name:=ansiuppercase(Name);
Name:=Name+StringOfChar(" ",length(AdapterName)-Length(Name));
move(Name[1],AdapterName[0],length(AdapterName));
end;

function GetMACAdresses(const Adresses:TStringList;const MachineName:string=""):integer;
var i:integer;
   NCB: PNCB;
   Adapter:PAdapterStatus;
   Lenum:PLanaEnum;
   RetCode:char;
begin
Adresses.clear;

New(NCB);
New(Adapter);
New(Lenum);
try
 Fillchar(NCB^,SizeOf(TNCB),0);
 fillchar(Lenum^,SizeOf(TLanaEnum),0);
 NCB.ncb_command:=chr(NCBENUM);
 NCB.ncb_buffer:=Pointer(Lenum);
 NCB.ncb_length:=SizeOf(Lenum);
 NetBiosCheck(Netbios(NCB));
 result:=ord(Lenum.Length);

 for i:=0 to result-1 do
 begin
  Fillchar(NCB^,SizeOf(TNCB),0);
  Ncb.ncb_command:=chr(NCBRESET);
  Ncb.ncb_lana_num:=lenum.lana[i];
  NetBiosCheck(Netbios(Ncb));

  FillChar(NCB^,SizeOf(TNCB),0);
  FillChar(Adapter^,SizeOf(TAdapterStatus),0);

  Ncb.ncb_command:=chr(NCBASTAT);
  Ncb.ncb_lana_num:=lenum.lana[i];
  MachineNameToAdapter(MachineName,Ncb.ncb_callname);
  Ncb.ncb_buffer:=Pointer(Adapter);
  Ncb.ncb_length:=SizeOf(TAdapterStatus);
  RetCode:=Netbios(NCB);
  if RetCode in [chr(NRC_GOODRET),chr(NRC_INCOMP)] then Adresses.add(AdapterToString(Adapter));
 end;
finally
 Dispose(NCB);
 Dispose(Adapter);
 Dispose(Lenum);
end;
end;

function GetMACAdress(const MachineName:string=""):string;
var stringlist:tstringlist;
begin
stringlist:=tstringlist.create;
try
 if GetMACAdresses(stringlist,MachineName)=0 then result:="" else result:=stringlist[0];
finally
 stringlist.destroy;
end;
end;

end.

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