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Get MAC Address

, 11 May 2002
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Get MAC address function
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GetMacAddress

Include nb30.h and link with netapi32.lib. This article is based on Q118623.

Source

typedef struct _ASTAT_
{
	ADAPTER_STATUS adapt;
	NAME_BUFFER    NameBuff[30];
} ASTAT, * PASTAT;


CString GetMacAddress(CString sNetBiosName)
{
    ASTAT Adapter;
	
    NCB ncb;
    UCHAR uRetCode;
	
    memset(&ncb, 0, sizeof(ncb));
    ncb.ncb_command = NCBRESET;
    ncb.ncb_lana_num = 0;
	
    uRetCode = Netbios(&ncb);
	
    memset(&ncb, 0, sizeof(ncb));
    ncb.ncb_command = NCBASTAT;
    ncb.ncb_lana_num = 0;
	
    sNetBiosName.MakeUpper();
	
    FillMemory(ncb.ncb_callname, NCBNAMSZ - 1, 0x20);
	
    strcpy((char *)ncb.ncb_callname, (LPCTSTR) sNetBiosName);
	
    ncb.ncb_callname[sNetBiosName.GetLength()] = 0x20;
    ncb.ncb_callname[NCBNAMSZ] = 0x0;
	
    ncb.ncb_buffer = (unsigned char *) &Adapter;
    ncb.ncb_length = sizeof(Adapter);
	
    uRetCode = Netbios(&ncb);
    
    CString sMacAddress;
	
    if (uRetCode == 0)
    {
    	sMacAddress.Format(_T("%02x%02x%02x%02x%02x%02x"),
    	    Adapter.adapt.adapter_address[0],
            Adapter.adapt.adapter_address[1],
            Adapter.adapt.adapter_address[2],
            Adapter.adapt.adapter_address[3],
            Adapter.adapt.adapter_address[4],
            Adapter.adapt.adapter_address[5]);
    }
    return sMacAddress;
}

License

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A list of licenses authors might use can be found here

About the Author

Ryszard Krakowiak
Web Developer
Poland Poland
No Biography provided

Comments and Discussions

 
Generalthis worked for me !! Pinmemberapp_devlpr21-Mar-10 18:49 
GeneralNetBios Return ErrorCode 23 (Data error (cyclic redundancy check). ) PinmemberMember 376114829-Jul-09 0:59 
GeneralNetBios API not working for Windows Vista PinmemberAnkush12312-Feb-09 20:43 
GeneralBIOS Name PinmemberSalvaThor2329-Nov-07 19:20 
QuestionWon't work ? Pinsussexcepter2k25-Sep-05 1:20 
AnswerRe: Won't work ? Pinmemberjoe_chen114-Jun-07 17:24 
GeneralGet MAC Address PinmemberJagmal1-Feb-05 19:30 
GeneraliWhat i pass to sNetBiosName Pinmemberequebal24-Dec-04 3:34 
GeneralRe: iWhat i pass to sNetBiosName Pinmemberjoe_chen114-Jun-07 17:25 
QuestionWhat do I pass in? Pinmemberpjobson2-Aug-04 5:27 
GeneralNeed Get mac address on Foxpro 2.6 under Ms-dos Pinsussmorteza_mousavi9-Jul-04 1:01 
GeneralNeed Get MAC Address Source Code and ActiveX Control or DLL Library for VB,VFP PinsussJohn Nu23-Mar-04 19:11 
Generaldetect my NIC device is connected to the LAN Pinmembertangming05205-Feb-04 20:04 
GeneralIf not connected Pinmembergcolsani7-Oct-03 11:00 
Generalthis example juste come from... Pinmemberscoubidou944@hotmail.com21-Aug-03 5:39 
GeneralRe: this example juste come from... PinmemberRyszard Krakowiak26-Aug-03 2:28 
Questionwhy I can't pass link? PinmemberShinypro8-Dec-02 21:17 
AnswerRe: why I can't pass link? PinmemberRyszard Krakowiak12-Dec-02 21:26 
GeneralProtocol independent way of getting MAC PinmemberGoran Car30-Aug-02 9:39 
GeneralRe: Protocol independent way of getting MAC Pinmembereta10-Sep-03 10:37 
GeneralRe: Protocol independent way of getting MAC Pinmemberzero.sg5-Feb-04 20:14 
GeneralRe: Protocol independent way of getting MAC Pinmemberfunvill7-Jul-06 11:34 
GeneralMAC from multiple sources. PinmemberPeter Donahue14-May-02 9:51 
GeneralVery very good job. PinmemberVCPP615-Nov-04 19:25 
GeneralRe: MAC from multiple sources. Pinmembersizheng6-Jul-05 23:30 

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