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mirror of https://gitlab.labs.nic.cz/labs/bird.git synced 2024-05-11 16:54:54 +00:00

Incoming side of authentication done but untested. Right handling of

filters in rip.
This commit is contained in:
Pavel Machek
1999-05-31 19:16:22 +00:00
parent 2e6197d634
commit 91c7c7416b
3 changed files with 91 additions and 8 deletions

View File

@@ -80,11 +80,11 @@ rip_tx( sock *s )
struct rip_entry *e = (struct rip_entry *) z;
DBG( "." );
packet->block[i].family = htons( 2 ); /* AF_INET */
packet->block[i].tag = htons( 0 ); /* FIXME: What should I set it to? */
packet->block[i].tag = htons( e->tag );
packet->block[i].network = e->n.prefix;
packet->block[i].netmask = ipa_mkmask( e->n.pxlen );
packet->block[i].nexthop = IPA_NONE; /* FIXME: How should I set it? My own IP address? */
packet->block[i].metric = htonl( 1+ (e->metric?:1) ); /* FIXME: is this right? I already ++ metric at input side */
packet->block[i].metric = htonl( e->metric );
if (ipa_equal(e->whotoldme, s->daddr)) {
DBG( "(split horizont)" );
/* FIXME: should we do it in all cases? */
@@ -527,8 +527,57 @@ rip_if_notify(struct proto *p, unsigned c, struct iface *iface)
}
}
static struct ea_list *
rip_gen_attrs(struct proto *p, struct linpool *pool, int metric, u16 tag)
{
struct ea_list *l = lp_alloc(pool, sizeof(struct ea_list) + 2*sizeof(eattr));
l->next = NULL;
l->flags = EALF_SORTED;
l->count = 2;
l->attrs[0].id = EA_RIP_TAG;
l->attrs[0].flags = 0;
l->attrs[0].type = EAF_TYPE_INT | EAF_INLINE;
l->attrs[0].u.data = tag;
l->attrs[1].id = EA_RIP_TAG;
l->attrs[1].flags = 0;
l->attrs[1].type = EAF_TYPE_INT | EAF_INLINE;
l->attrs[1].u.data = metric;
return l;
}
static int
rip_import_control(struct proto *p, struct rte **rt, struct ea_list **attrs, struct linpool *pool)
{
if ((*rt)->attrs->proto == p) /* My own must not be touched */
return 1;
if ((*rt)->attrs->source != RTS_RIP) {
struct ea_list *new = rip_gen_attrs(p, pool, 1, 0);
new->next = *attrs;
*attrs = new;
}
return 0;
}
static struct ea_list *
rip_make_tmp_attrs(struct rte *rt, struct linpool *pool)
{
struct proto *p = rt->attrs->proto;
return rip_gen_attrs(p, pool, rt->u.rip.metric, rt->u.rip.tag);
}
static void
rip_store_tmp_attrs(struct rte *rt, struct ea_list *attrs)
{
struct proto *p = rt->attrs->proto;
rt->u.rip.tag = ea_find(attrs, EA_RIP_TAG)->u.data;
rt->u.rip.metric = ea_find(attrs, EA_RIP_TAG)->u.data;
}
static void
rip_rt_notify(struct proto *p, struct network *net, struct rte *new, struct rte *old, struct ea_list *tmpa)
rip_rt_notify(struct proto *p, struct network *net, struct rte *new, struct rte *old, struct ea_list *attrs)
{
CHK_MAGIC;
@@ -546,8 +595,12 @@ rip_rt_notify(struct proto *p, struct network *net, struct rte *new, struct rte
e = fib_get( &P->rtable, &net->n.prefix, net->n.pxlen );
e->nexthop = new->attrs->gw;
e->tag = new->u.rip.tag;
e->metric = new->u.rip.metric;
e->tag = ea_find(attrs, EA_RIP_TAG)->u.data;
e->metric = ea_find(attrs, EA_RIP_TAG)->u.data;
if (e->metric > P_CF->infinity)
e->metric = P_CF->infinity;
if (!e->metric)
e->metric = 1;
e->whotoldme = new->attrs->from;
e->updated = e->changed = now;
e->flags = 0;
@@ -563,6 +616,7 @@ rip_rte_better(struct rte *new, struct rte *old)
if (old->u.rip.metric > new->u.rip.metric)
return 1;
/* FIXME */
#define old_metric_is_much_older_than_new_metric 0
if ((old->u.rip.metric == new->u.rip.metric) && (old_metric_is_much_older_than_new_metric))
return 1;
@@ -590,6 +644,7 @@ rip_init_instance(struct proto *p)
p->preference = DEF_PREF_RIP;
p->if_notify = rip_if_notify;
p->rt_notify = rip_rt_notify;
p->import_control = rip_import_control;
p->rte_better = rip_rte_better;
p->rte_insert = rip_rte_insert;
p->rte_remove = rip_rte_remove;