/*
This file is part of libcapwap.
libcapwap is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
libcapwap is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar. If not, see .
*/
#include
#include
#include
#include
#include "sock.h"
char * sock_get_primary_if(int family)
{
struct ifaddrs *ifap,*ifa;
char * r = 0;
getifaddrs(&ifap);
for (ifa = ifap; ifa != NULL; ifa = ifa->ifa_next) {
if (ifa->ifa_flags & IFF_LOOPBACK){
continue;
}
if (ifa->ifa_addr->sa_family != family)
continue;
r = malloc(strlen(ifa->ifa_name)+1);
if (r)
strcpy(r,ifa->ifa_name);
break;
}
freeifaddrs(ifap);
return r;
}