2011-07-19 71 views
2

如何在Objective-C中獲取計算機的MAC地址?我正在使用下面的代碼,但是一旦我切換到使用LLVM編譯器,它就開始崩潰。任何人都可以告訴我如何解決這個代碼或給我新的代碼,工程?我找到了一種10.6+的方法,但我也需要它與10.5一起工作。在Objective-C中獲取MAC地址

void GetHWAddresses() 
{ 

struct ifconf ifc; 
struct ifreq *ifr; 
int i, sockfd; 
char buffer[BUFFERSIZE], *cp, *cplim; 
char temp[80]; 

for (i=0; i<MAXADDRS; ++i) 
{ 
hw_addrs[i] = NULL; 
} 


sockfd = socket(AF_INET, SOCK_DGRAM, 0); 
if (sockfd < 0) 
{ 
perror("socket failed"); 
return; 
} 


ifc.ifc_len = BUFFERSIZE; 
ifc.ifc_buf = buffer; 

if (ioctl(sockfd, SIOCGIFCONF, (char *)&ifc) < 0) 
{ 
perror("ioctl error"); 
close(sockfd); 
return; 
} 



ifr = ifc.ifc_req; 

cplim = buffer + ifc.ifc_len; 

for (cp=buffer; cp < cplim;) 
{ 
ifr = (struct ifreq *)cp; 
if (ifr->ifr_addr.sa_family == AF_LINK) 
{ 
struct sockaddr_dl *sdl = (struct sockaddr_dl *)&ifr->ifr_addr; 
int a,b,c,d,e,f; 
int i; 

strcpy(temp, (char *)ether_ntoa(LLADDR(sdl))); 
sscanf(temp, "%x:%x:%x:%x:%x:%x", &a, &b, &c, &d, &e, &f); 
sprintf(temp, "%02X:%02X:%02X:%02X:%02X:%02X",a,b,c,d,e,f); 

for (i=0; i<MAXADDRS; ++i) 
{ 
if ((if_names[i] != NULL) && (strcmp(ifr->ifr_name, if_names[i]) == 0)) 
{ 
if (hw_addrs[i] == NULL) 
{ 
hw_addrs[i] = (char *)malloc(strlen(temp)+1); 
strcpy(hw_addrs[i], temp); 
break; 
} 
} 
} 
} 
cp += sizeof(ifr->ifr_name) + max(sizeof(ifr->ifr_addr), ifr->ifr_addr.sa_len); 
} 

close(sockfd); 
} 
+2

http://stackoverflow.com/questions/677530/how-can-i-programmatically-get-the-mac- iphone-address-of-iphone –

+3

你想要哪個MAC地址?現代的Mac系統通常具有2個或更多的WiFi,以太網,藍牙,火線等,所有這些都可用於TCP/IP。 –

+0

@帕特里克:重複是iPhone的 - OP已經標記爲Mac。 –

回答

1

蘋果實際上有一些example code從IO註冊表獲取MAC地址