static void
scan_and_wait(prop_dictionary_t env)
{
int sroute;
sroute = prog_socket(PF_ROUTE, SOCK_RAW, 0);
if (sroute < 0) {
warn("socket(PF_ROUTE,SOCK_RAW)");
return;
}
/* NB: only root can trigger a scan so ignore errors */
if (set80211(env, IEEE80211_IOC_SCAN_REQ, 0, 0, NULL) >= 0) {
char buf[2048];
struct if_announcemsghdr *ifan;
struct rt_msghdr *rtm;
do {
if (prog_read(sroute, buf, sizeof(buf)) < 0) {
warn("read(PF_ROUTE)");
break;
}
rtm = (struct rt_msghdr *) buf;
if (rtm->rtm_version != RTM_VERSION)
break;
ifan = (struct if_announcemsghdr *) rtm;
} while (rtm->rtm_type != RTM_IEEE80211 ||
ifan->ifan_what != RTM_IEEE80211_SCAN);
}
prog_close(sroute);
}
static int
getsocket(void)
{
int s;
s = prog_socket(PF_ROUTE, SOCK_RAW, 0);
if (s < 0)
err(1, "socket");
return s;
}
static void
getsocket(void)
{
if (my_s < 0) {
my_s = prog_socket(PF_ROUTE, SOCK_RAW, 0);
if (my_s < 0)
err(1, "socket");
}
}
int
getsock(int naf)
{
static int oaf = -1, s;
if (oaf == naf || (oaf != -1 && naf == AF_UNSPEC))
return s;
if (oaf != -1)
prog_close(s);
if (naf == AF_UNSPEC)
naf = AF_INET;
s = prog_socket(naf, SOCK_DGRAM, 0);
if (s == -1)
oaf = -1;
else
oaf = naf;
return s;
}
