static void nhrp_interface_update_nbma(struct interface *ifp)
{
struct nhrp_interface *nifp = ifp->info, *nbmanifp = NULL;
struct interface *nbmaifp = NULL;
union sockunion nbma;
sockunion_family(&nbma) = AF_UNSPEC;
if (nifp->source)
nbmaifp = if_lookup_by_name(nifp->source);
switch (ifp->ll_type) {
case ZEBRA_LLT_IPGRE: {
struct in_addr saddr = {0};
netlink_gre_get_info(ifp->ifindex, &nifp->grekey, &nifp->linkidx, &saddr);
debugf(NHRP_DEBUG_IF, "%s: GRE: %x %x %x", ifp->name, nifp->grekey, nifp->linkidx, saddr.s_addr);
if (saddr.s_addr)
sockunion_set(&nbma, AF_INET, (u_char *) &saddr.s_addr, sizeof(saddr.s_addr));
else if (!nbmaifp && nifp->linkidx != IFINDEX_INTERNAL)
nbmaifp = if_lookup_by_index(nifp->linkidx);
}
break;
default:
break;
}
if (nbmaifp)
nbmanifp = nbmaifp->info;
if (nbmaifp != nifp->nbmaifp) {
if (nifp->nbmaifp)
notifier_del(&nifp->nbmanifp_notifier);
nifp->nbmaifp = nbmaifp;
if (nbmaifp) {
notifier_add(&nifp->nbmanifp_notifier, &nbmanifp->notifier_list, nhrp_interface_interface_notifier);
debugf(NHRP_DEBUG_IF, "%s: bound to %s", ifp->name, nbmaifp->name);
}
}
if (nbmaifp) {
if (sockunion_family(&nbma) == AF_UNSPEC)
nbma = nbmanifp->afi[AFI_IP].addr;
nhrp_interface_update_mtu(ifp, AFI_IP);
nhrp_interface_update_source(ifp);
}
if (!sockunion_same(&nbma, &nifp->nbma)) {
nifp->nbma = nbma;
nhrp_interface_update(nifp->ifp);
debugf(NHRP_DEBUG_IF, "%s: NBMA address changed", ifp->name);
notifier_call(&nifp->notifier_list, NOTIFY_INTERFACE_NBMA_CHANGED);
}
nhrp_interface_update(ifp);
}
static bool sub_handler(const struct sip_msg *msg, void *arg)
{
struct ua *ua;
(void)arg;
ua = uag_find(&msg->uri.user);
if (!ua) {
warning("presence: no UA found for %r\n", &msg->uri.user);
(void)sip_treply(NULL, uag_sip(), msg, 404, "Not Found");
return true;
}
if (notifier_add(evsock, msg, ua))
(void)sip_treply(NULL, uag_sip(), msg, 400, "Bad Presence");
return true;
}
void nhrp_interface_notify_add(struct interface *ifp, struct notifier_block *n, notifier_fn_t fn)
{
struct nhrp_interface *nifp = ifp->info;
notifier_add(n, &nifp->notifier_list, fn);
}
