struct options {
const char *name;
#ifdef CONFIG_FEATURE_IFCONFIG_BROADCAST_PLUS
const unsigned int flags:6;
const unsigned int arg_flags:10;
#else
const unsigned char flags;
const unsigned char arg_flags;
#endif
const unsigned short selector;
};
#define ifreq_offsetof(x) offsetof(struct ifreq, x)
static const struct arg1opt Arg1Opt[] = {
{"SIOCSIFMETRIC", SIOCSIFMETRIC, ifreq_offsetof(ifr_metric)},
{"SIOCSIFMTU", SIOCSIFMTU, ifreq_offsetof(ifr_mtu)},
{"SIOCSIFTXQLEN", SIOCSIFTXQLEN, ifreq_offsetof(ifr_qlen)},
{"SIOCSIFDSTADDR", SIOCSIFDSTADDR, ifreq_offsetof(ifr_dstaddr)},
{"SIOCSIFNETMASK", SIOCSIFNETMASK, ifreq_offsetof(ifr_netmask)},
{"SIOCSIFBRDADDR", SIOCSIFBRDADDR, ifreq_offsetof(ifr_broadaddr)},
#ifdef CONFIG_FEATURE_IFCONFIG_HW
{"SIOCSIFHWADDR", SIOCSIFHWADDR, ifreq_offsetof(ifr_hwaddr)},
#endif
{"SIOCSIFDSTADDR", SIOCSIFDSTADDR, ifreq_offsetof(ifr_dstaddr)},
#ifdef SIOCSKEEPALIVE
{"SIOCSKEEPALIVE", SIOCSKEEPALIVE, ifreq_offsetof(ifr_data)},
#endif
#ifdef SIOCSOUTFILL
{"SIOCSOUTFILL", SIOCSOUTFILL, ifreq_offsetof(ifr_data)},
#endif
int setInAddr( char *interface, char *Ipaddr, char *Netmask, char *HwMac, int type)
{
struct ifreq ifr;
int skfd=0;
struct in_addr in_addr, in_netmask, in_broadaddr;
struct sockaddr sa;
int default_type= (IFACE_FLAG_T) | (IP_ADDR_T) | (NET_MASK_T) | (HW_ADDR_T);
int request_action=0;
request_action =type & default_type;
skfd = socket(AF_INET, SOCK_DGRAM, 0);
if(skfd==-1)
return -1;
strcpy(ifr.ifr_name, interface);
if (ioctl(skfd, SIOCGIFFLAGS, &ifr) < 0){
close( skfd );
return (-1);
}
if(request_action ==IFACE_FLAG_T){
return 0;
}
ifr.ifr_flags = IFF_UP | IFF_RUNNING | IFF_BROADCAST | IFF_MULTICAST;
if(request_action & IP_ADDR_T ){
if (Ipaddr) {
inet_aton(Ipaddr, &in_addr);
(((struct sockaddr_in *)(&ifr.ifr_addr))->sin_addr).s_addr= in_addr.s_addr;
ifr.ifr_addr.sa_family = AF_INET;
if (ioctl(skfd, SIOCSIFADDR, &ifr) < 0)
goto set_err;
}
}
if(request_action & NET_MASK_T){
if (Ipaddr && Netmask) {
inet_aton(Netmask, &in_netmask);
(((struct sockaddr_in *)(&ifr.ifr_netmask))->sin_addr).s_addr= in_netmask.s_addr;
ifr.ifr_netmask.sa_family = AF_INET;
if (ioctl(skfd, SIOCSIFNETMASK, &ifr) < 0)
goto set_err;
in_broadaddr.s_addr = (in_addr.s_addr & in_netmask.s_addr) | ~in_netmask.s_addr;
(((struct sockaddr_in *)(&ifr.ifr_broadaddr))->sin_addr).s_addr= in_broadaddr.s_addr;
ifr.ifr_broadaddr.sa_family = AF_INET;
if (ioctl(skfd, SIOCSIFBRDADDR, &ifr) < 0)
goto set_err;
}
}
if(request_action & HW_ADDR_T){
if(HwMac){
sa.sa_family = ARPHRD_ETHER;
memcpy(&sa.sa_data,HwMac,6);
memcpy((((char *) (&ifr)) +ifreq_offsetof(ifr_hwaddr)), &sa, sizeof(struct sockaddr));
if (ioctl(skfd, SIOCSIFHWADDR, &ifr) < 0)
goto set_err;
}
}
close( skfd );
return 0;
set_err:
close(skfd);
perror(interface);
return -1;
}
