qstring getlocalmac()
{
int sock_mac;
struct ifreq ifr_mac;
char mac_addr[30];
sock_mac = socket( af_inet, sock_stream, 0 );
if( sock_mac == -1)
{
perror("create socket falise...mac ");
return "";
}
memset(&ifr_mac,0,sizeof(ifr_mac));
strncpy(ifr_mac.ifr_name, "eth0", sizeof(ifr_mac.ifr_name)-1);
if( (ioctl( sock_mac, siocgifhwaddr, &ifr_mac)) <0)
{
printf("mac ioctl error ");
return "";
}
sprintf(mac_addr,"%02x%02x%02x%02x%02x%02x",
(unsigned char)ifr_mac.ifr_hwaddr.sa_data[0],
(unsigned char)ifr_mac.ifr_hwaddr.sa_data[1],
(unsigned char)ifr_mac.ifr_hwaddr.sa_data[2],
(unsigned char)ifr_mac.ifr_hwaddr.sa_data[3],
(unsigned char)ifr_mac.ifr_hwaddr.sa_data[4],
(unsigned char)ifr_mac.ifr_hwaddr.sa_data[5]);
printf("local mac:%s ",mac_addr);
close( sock_mac );
return qstring( mac_addr );
}
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