I use this in my CF tool:
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/sysctl.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
- (NSString *)getHWEthernetMAC {
NSString *deviceName = @"en0"; // Ethernet device is en0
int mib[6];
size_t len;
char *buf;
unsigned char *ptr;
struct if_msghdr *ifm;
struct sockaddr_dl *sdl;
mib[0] = CTL_NET;
mib[1] = AF_ROUTE;
mib[2] = 0;
mib[3] = AF_LINK;
mib[4] = NET_RT_IFLIST;
if ((mib[5] = if_nametoindex([deviceName UTF8String])) == 0) {
perror("if_nametoindex error");
exit(2);
}
if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) {
perror("1st sysctl error");
exit(2);
}
if ((buf = malloc(len)) == NULL) {
perror("malloc error");
exit(2);
}
if (sysctl(mib, 6, buf, &len, NULL, 0) < 0) {
perror("2nd sysctl error");
exit(2);
}
ifm = (struct if_msghdr *)buf;
sdl = (struct sockaddr_dl *)(ifm+1);
ptr = (unsigned char *)LLADDR(sdl);
return [NSString stringWithFormat:@"%02x%02x%02x%02x%02x%02x", *ptr, *(ptr+1),
*(ptr+2),
*(ptr+3), *(ptr+4), *(ptr+5)];
}
On Wed, Jun 24, 2009 at 2:58 AM, Laurent Cerveau <lcerv...@me.com> wrote:
> You can use IOKit UserLibg get the MAC hardware address. I did not retest
> it though (it comes from older code) so you probably have to check for small
> bugs.
>
> laurent
>
> kern_return_t kernResult;
> mach_port_t masterPort;
> io_service_t tmpService, controllerService;
> CFDataRef macAddressData;
> CFMutableDictionaryRef classesToMatch;
>
> //Get the master port
> kernResult = IOMasterPort(MACH_PORT_NULL, &masterPort);
> //Find the etherner 0 card criteria
> classesToMatch = IOBSDNameMatching(masterPort,0,"en0");
> //find the corresponding service
> tmpService = IOServiceGetMatchingService(masterPort, classesToMatch);
>
> // by asking for it specifically.
> kernResult = IORegistryEntryGetParentEntry( tmpService, kIOServicePlane,
> &controllerService );
>
> //now we get the data and do something with them
> macAddressData = (CFDataRef) IORegistryEntryCreateCFProperty(
> controllerService,CFSTR(kIOMACAddress), kCFAllocatorDefault, 0);
>
>
> //release what is needed
> CFRelease(macAddressData);
> IOObjectRelease(controllerService);
> IOObjectRelease(tmpService);
>
>
> On Jun 23, 2009, at 9:04 AM, Kiran Kumar wrote:
>
> Hi all,
>>
>> i am doing project to change MAC Address ,i want to display MACID in
>> a single textbox like 00:15:e9:4c:c3:d7
>>
>> or 00-15-e9-4c-c3-d7 can any one help me plz ...
>>
>>
>>
>>
>> Thanks,
>> kiran
>>
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