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This commit is contained in:
Daniel Adolfsson 2019-12-19 15:06:55 +01:00
parent 45998b8c32
commit cad611b323
3 changed files with 28 additions and 9 deletions
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5
src/addr.c
View File

@ -174,6 +174,11 @@ const char *nd_ll_ntoa(const nd_lladdr_t *addr)
return addr ? ether_ntoa_r((struct ether_addr *)addr, buf[index++ % 3]) : "(null)";
}
bool nd_ll_addr_eq(const nd_lladdr_t *first, const nd_lladdr_t *second)
{
return !memcmp(first, second, sizeof(nd_lladdr_t));
}
bool nd_ll_addr_is_unspecified(const nd_lladdr_t *lladdr)
{
return !lladdr->u8[0] && !lladdr->u8[1] && !lladdr->u8[2] && !lladdr->u8[3] && !lladdr->u8[4] && !lladdr->u8[5];

2
src/ndppd.h
View File

@ -284,6 +284,8 @@ uint32_t nd_addr_hash(const nd_addr_t *addr);
*/
const char *nd_ll_ntoa(const nd_lladdr_t *addr);
bool nd_ll_addr_eq(const nd_lladdr_t *first, const nd_lladdr_t *second);
bool nd_ll_addr_is_unspecified(const nd_lladdr_t *lladdr);
/*

30
src/session.c
View File

@ -58,7 +58,16 @@ void nd_session_handle_ns(nd_session_t *session, const nd_addr_t *src, const nd_
session->ins_time = nd_current_time;
if (session->state != ND_STATE_VALID && session->state != ND_STATE_STALE) {
/* Register sub */
nd_sub_t *sub;
ND_LL_SEARCH(session->subs, sub, next, nd_addr_eq(&sub->addr, src) && nd_ll_addr_eq(&sub->lladdr, src_ll));
if (!sub) {
sub = ND_NEW(nd_sub_t);
sub->addr = *src;
sub->lladdr = *src_ll;
ND_LL_PREPEND(session->subs, sub, next);
}
return;
}
@ -81,15 +90,15 @@ void nd_session_handle_na(nd_session_t *session)
return;
}
/*if (!nd_addr_is_unspecified(&q)) {
nd_log_error("testing quickness.. ");
nd_lladdr_t *tgt_ll = !nd_ll_addr_is_unspecified(&session->rule->target) ? &session->rule->target : NULL;
nd_lladdr_t *tgt_ll = !nd_ll_addr_is_unspecified(&session->rule->target) ? &session->rule->target : NULL;
nd_iface_send_na(session->rule->proxy->iface, &q, &z, //
ND_LL_FOREACH_S (session->subs, sub, tmp, next) {
nd_iface_send_na(session->rule->proxy->iface, &sub->addr, &sub->lladdr, //
&session->tgt, tgt_ll, session->rule->proxy->router);
ND_DELETE(sub);
}
memset(&q, 0, sizeof(q));
}*/
session->subs = NULL;
if (session->state != ND_STATE_VALID) {
nd_log_debug("Session [%s] %s -> VALID", session->rule->proxy->ifname, nd_ntoa(&session->tgt));
@ -168,6 +177,10 @@ void nd_session_update(nd_session_t *session)
nd_iface_close(session->iface);
}
ND_LL_FOREACH_S (session->subs, sub, tmp, next) {
ND_DELETE(sub);
}
ND_LL_DELETE(ndL_sessions[NDL_BUCKET(&session->tgt)], session, next);
ND_LL_DELETE(ndL_sessions_r[NDL_BUCKET(&session->tgt_r)], session, next_r);
@ -248,9 +261,8 @@ nd_session_t *nd_session_find_r(const nd_addr_t *tgt, const nd_iface_t *iface)
void nd_session_update_all()
{
for (int i = 0; i < NDPPD_SESSION_BUCKETS; i++) {
ND_LL_FOREACH_S(ndL_sessions[i], session, tmp, next) {
ND_LL_FOREACH_S (ndL_sessions[i], session, tmp, next) {
nd_session_update(session);
}
}
}