static int if_print(char *ifname)
{
int res;
if (!ifname) {
res = for_all_interfaces(do_if_print, &opt_a);
} else {
struct interface *ife;
ife = lookup_interface(ifname);
res = do_if_fetch(ife);
if (res >= 0)
ife_print(ife);
}
return res;
}
static int set_ifstate(char *parent, unsigned long ip,
unsigned long nm, unsigned long bc,
int flag)
{
char buf[IFNAMSIZ];
struct ifcmd pt;
int i;
pt.base = parent;
pt.baselen = strlen(parent);
pt.addr = ip;
pt.flag = flag;
memset(searcher, 0, sizeof(searcher));
i = for_all_interfaces((int (*)(struct interface *,void *))do_ifcmd,
&pt);
if (i == -1)
return -1;
if (i == 1)
return 0;
/* add a new interface */
for (i = 0; i < 256; i++)
if (searcher[i] == 0)
break;
if (i == 256)
return -1; /* FAILURE!!! out of ip addresses */
if (snprintf(buf, IFNAMSIZ, "%s:%d", parent, i) > IFNAMSIZ)
return -1;
if (set_ip_using(buf, SIOCSIFADDR, ip) == -1)
return -1;
if (set_ip_using(buf, SIOCSIFNETMASK, nm) == -1)
return -1;
if (set_ip_using(buf, SIOCSIFBRDADDR, bc) == -1)
return -1;
if (set_flag(buf, IFF_BROADCAST) == -1)
return -1;
return 0;
}
static int if_print(char *ifname)
{
int res;
if (ife_short)
printf(_("Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flg\n"));
if (!ifname) {
res = for_all_interfaces(do_if_print, &opt_a);
} else {
struct interface *ife;
ife = lookup_interface(ifname);
if (!ife) {
return -1;
}
res = do_if_fetch(ife);
if (res >= 0)
ife_print(ife);
}
return res;
}