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blog名称:邢红瑞的blog
日志总数:523
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建立时间:2004年12月20日 |
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 [c++]Detecting MAC Address using C application
原创空间, 文章收藏, 软件技术, 电脑与网络
邢红瑞 发表于 2010/7/9 21:09:49 |
| #include <stdio.h>#include <fcntl.h>#include <stdlib.h>#include <string.h>#include <unistd.h>
#ifdef Linux#include <sys/ioctl.h>#include <sys/types.h>#include <sys/socket.h>#include <netinet/in.h>#include <linux/if.h>#endif
#ifdef HPUX#include <netio.h>#endif
#ifdef AIX#include <sys/ndd_var.h>#include <sys/kinfo.h>#endif
long mac_addr_sys ( u_char *addr){/* implementation for Linux */#ifdef Linux struct ifreq ifr; struct ifreq *IFR; struct ifconf ifc; char buf[1024]; int s, i; int ok = 0;
s = socket(AF_INET, SOCK_DGRAM, 0); if (s==-1) { return -1; }
ifc.ifc_len = sizeof(buf); ifc.ifc_buf = buf; ioctl(s, SIOCGIFCONF, &ifc);
IFR = ifc.ifc_req; for (i = ifc.ifc_len / sizeof(struct ifreq); --i >= 0; IFR++) {
strcpy(ifr.ifr_name, IFR->ifr_name); if (ioctl(s, SIOCGIFFLAGS, &ifr) == 0) { if (! (ifr.ifr_flags & IFF_LOOPBACK)) { if (ioctl(s, SIOCGIFHWADDR, &ifr) == 0) { ok = 1; break; } } } }
close(s); if (ok) { bcopy( ifr.ifr_hwaddr.sa_data, addr, 6); } else { return -1; } return 0;#endif
/* implementation for HP-UX */#ifdef HPUX
#define LAN_DEV0 "/dev/lan0"
intfd; struct fisiocnt_block; inti; charnet_buf[sizeof(LAN_DEV0)+1]; char*p;
(void)sprintf(net_buf, "%s", LAN_DEV0); p = net_buf + strlen(net_buf) - 1;
/* * Get 802.3 address from card by opening the driver and interrogating it. */ for (i = 0; i < 10; i++, (*p)++) { if ((fd = open (net_buf, O_RDONLY)) != -1) {iocnt_block.reqtype = LOCAL_ADDRESS;ioctl (fd, NETSTAT, &iocnt_block);close (fd);
if (iocnt_block.vtype == 6) break; } }
if (fd == -1 || iocnt_block.vtype != 6) { return -1; }
bcopy( &iocnt_block.value.s[0], addr, 6);return 0;
#endif /* HPUX */
/* implementation for AIX */#ifdef AIX
int size; struct kinfo_ndd *nddp;
size = getkerninfo(KINFO_NDD, 0, 0, 0); if (size <= 0) { return -1; } nddp = (struct kinfo_ndd *)malloc(size);
if (!nddp) { return -1; } if (getkerninfo(KINFO_NDD, nddp, &size, 0) < 0) { free(nddp); return -1; } bcopy(nddp->ndd_addr, addr, 6); free(nddp); return 0;#endif
/* Not implemented platforms */return -1;}
/***********************************************************************//* * Main (only for testing) */#ifdef MAINint main( int argc, char **argv){ long stat; int i; u_char addr[6];
stat = mac_addr_sys( addr); if (0 == stat) { printf( "MAC address = "); for (i=0; i<6; ++i) { printf("%2.2x", addr[i]); } printf( "\n"); } else { fprintf( stderr, "can't get MAC address\n"); exit( 1); } return 0;}#endif
E.g you want to use on Linux, save it as file.c simply compile like this: gcc -O2 -DMAIN -DLinux file.c -o file
And run it./fileMAC address = 0008c7e9e386
Compare with /sbin/ifconfig result:/sbin/ifconfig eth0 |
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