Jerry/bird
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Except for special protocols (nowadays only the kernel syncer), don't

Browse source 
export host and link scope routes.
This commit is contained in:
Martin Mares 1999-12-08 14:16:13 +00:00
parent dff1f57917
commit 0da472d7e8
4 changed files with 15 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
nest/proto.c
View file

@ -91,6 +91,7 @@ proto_new(struct proto_config *c, unsigned size)
p->table = c->table->table; p->table = c->table->table;
p->in_filter = c->in_filter; p->in_filter = c->in_filter;
p->out_filter = c->out_filter; p->out_filter = c->out_filter;
p->min_scope = SCOPE_SITE;
c->proto = p; c->proto = p;
return p; return p;
} }

1
nest/protocol.h
View file

@ -98,6 +98,7 @@ struct proto {
char *name; /* Name of this instance (== cf->name) */ char *name; /* Name of this instance (== cf->name) */
unsigned debug; /* Debugging flags */ unsigned debug; /* Debugging flags */
unsigned preference; /* Default route preference */ unsigned preference; /* Default route preference */
int min_scope; /* Minimal route scope accepted */
unsigned disabled; /* Manually disabled */ unsigned disabled; /* Manually disabled */
unsigned proto_state; /* Protocol state machine (see below) */ unsigned proto_state; /* Protocol state machine (see below) */
unsigned core_state; /* Core state machine (see below) */ unsigned core_state; /* Core state machine (see below) */

25
nest/rt-table.c
View file

@ -102,7 +102,7 @@ rte_better(rte *new, rte *old)
} }
static inline void static inline void
do_rte_announce(struct announce_hook *a, net *net, rte *new, rte *old, ea_list *tmpa) do_rte_announce(struct announce_hook *a, net *net, rte *new, rte *old, ea_list *tmpa, int class)
{ {
struct proto *p = a->proto; struct proto *p = a->proto;
rte *new0 = new; rte *new0 = new;
@ -110,8 +110,9 @@ do_rte_announce(struct announce_hook *a, net *net, rte *new, rte *old, ea_list *
if (new) if (new)
{ {
int ok = p->import_control ? p->import_control(p, &new, &tmpa, rte_update_pool) : 0; int ok;
if (ok < 0 || if ((class & IADDR_SCOPE_MASK) < p->min_scope ||
(ok = p->import_control ? p->import_control(p, &new, &tmpa, rte_update_pool) : 0) < 0 ||
(!ok && (p->out_filter == FILTER_REJECT || (!ok && (p->out_filter == FILTER_REJECT ||
p->out_filter && f_run(p->out_filter, &new, &tmpa, rte_update_pool) > F_MODIFY) p->out_filter && f_run(p->out_filter, &new, &tmpa, rte_update_pool) > F_MODIFY)
) )
@ -142,11 +143,12 @@ static void
rte_announce(rtable *tab, net *net, rte *new, rte *old, ea_list *tmpa) rte_announce(rtable *tab, net *net, rte *new, rte *old, ea_list *tmpa)
{ {
struct announce_hook *a; struct announce_hook *a;
int class = ipa_classify(net->n.prefix);
WALK_LIST(a, tab->hooks) WALK_LIST(a, tab->hooks)
{ {
ASSERT(a->proto->core_state == FS_HAPPY || a->proto->core_state == FS_FEEDING); ASSERT(a->proto->core_state == FS_HAPPY || a->proto->core_state == FS_FEEDING);
do_rte_announce(a, net, new, old, tmpa); do_rte_announce(a, net, new, old, tmpa, class);
} }
} }
@ -169,7 +171,7 @@ rt_feed_baby(struct proto *p)
{ {
struct proto *q = e->attrs->proto; struct proto *q = e->attrs->proto;
ea_list *tmpa = q->make_tmp_attrs ? q->make_tmp_attrs(e, rte_update_pool) : NULL; ea_list *tmpa = q->make_tmp_attrs ? q->make_tmp_attrs(e, rte_update_pool) : NULL;
do_rte_announce(h, n, e, NULL, tmpa); do_rte_announce(h, n, e, NULL, tmpa, ipa_classify(n->n.prefix));
lp_flush(rte_update_pool); lp_flush(rte_update_pool);
} }
} }
@ -195,15 +197,12 @@ rte_validate(rte *e)
n->n.prefix, n->n.pxlen, e->attrs->from, e->attrs->proto->name); n->n.prefix, n->n.pxlen, e->attrs->from, e->attrs->proto->name);
return 0; return 0;
} }
if ((c & IADDR_SCOPE_MASK) == SCOPE_HOST) if ((c & IADDR_SCOPE_MASK) < e->attrs->proto->min_scope)
{ {
int s = e->attrs->source; log(L_WARN "Ignoring %s scope route %I/%d received from %I via %s",
if (s != RTS_STATIC && s != RTS_DEVICE && s != RTS_STATIC_DEVICE) ip_scope_text(c & IADDR_SCOPE_MASK),
{ n->n.prefix, n->n.pxlen, e->attrs->from, e->attrs->proto->name);
log(L_WARN "Ignoring host scope route %I/%d received from %I via %s", return 0;
n->n.prefix, n->n.pxlen, e->attrs->from, e->attrs->proto->name);
return 0;
}
} }
} }
return 1; return 1;

1
sysdep/unix/krt.c
View file

@ -753,6 +753,7 @@ krt_init(struct proto_config *c)
struct krt_proto *p = proto_new(c, sizeof(struct krt_proto)); struct krt_proto *p = proto_new(c, sizeof(struct krt_proto));
p->p.rt_notify = krt_notify; p->p.rt_notify = krt_notify;
p->p.min_scope = SCOPE_HOST;
return &p->p; return &p->p;
} }