Get Mac Address using Indy?

[ChrisChuah 0]

Hi

Is there a function in Indy whereby i could get the Mac address of the interface card?

Or is there any function in Delphi whereby i could obtain the MAC address of the NIC card for FMX app?

 

regards

chris

Edited November 24, 2023 by ChrisChuah

[DelphiUdIT 223]

I don't know with Indy, but in Delphi there are the WinApi.IPHlpApi e WinAPi.IPTypes that are acquired from Project JEDI.

 

You must enumerate the Interface cards and looks for properties:

 

Uses WinAPi.IpHlpApi, WinApi.IpTypes;

var
  NumInterfaces: Cardinal;
  AdapterInfo: array of TIpAdapterInfo;
  OutBufLen: ULONG;
begin
  GetNumberOfInterfaces(NumInterfaces);
  SetLength(AdapterInfo, NumInterfaces);
  OutBufLen := NumInterfaces * SizeOf(TIpAdapterInfo);
  GetAdaptersInfo(@AdapterInfo[0], OutBufLen);

  for var i := 0 to NumInterfaces - 1 do
    begin
      (* These are the 6 bytes MAC Addresses of Interfaces
      AdapterInfo[i].Address[0], AdapterInfo[i].Address[1]
      AdapterInfo[i].Address[2], AdapterInfo[i].Address[3]
      AdapterInfo[i].Address[4], AdapterInfo[i].Address[5]
	  *)
  end;
end;

EDIT: This works only in Windows platforms.

 

Edited November 24, 2023 by DelphiUdIT

[Remy Lebeau 1546]

  On 11/24/2023 at 4:20 AM, ChrisChuah said:

Is there a function in Indy whereby i could get the Mac address of the interface card?

No.  Indy does not operate at the ethernet layer, so it has no need for MAC addresses.

  On 11/24/2023 at 4:20 AM, ChrisChuah said:

Or is there any function in Delphi whereby i could obtain the MAC address of the NIC card for FMX app?

You will have to use platform-specific APIs, like GetAdaptersInfo()/GetAdaptersAddresses() on Windows, getifaddrs() on Posix, etc to get that kind of information directly from the OS.

Edited November 24, 2023 by Remy Lebeau