diff options
| -rw-r--r-- | nest/proto.c | 1 | ||||
| -rw-r--r-- | nest/protocol.h | 1 | ||||
| -rw-r--r-- | nest/rt-table.c | 25 | ||||
| -rw-r--r-- | sysdep/unix/krt.c | 1 |
4 files changed, 15 insertions, 13 deletions
diff --git a/nest/proto.c b/nest/proto.c index ab7de0f..a58c3f7 100644 --- a/nest/proto.c +++ b/nest/proto.c @@ -91,6 +91,7 @@ proto_new(struct proto_config *c, unsigned size) p->table = c->table->table; p->in_filter = c->in_filter; p->out_filter = c->out_filter; + p->min_scope = SCOPE_SITE; c->proto = p; return p; } diff --git a/nest/protocol.h b/nest/protocol.h index 3e53c86..39d1cf5 100644 --- a/nest/protocol.h +++ b/nest/protocol.h @@ -98,6 +98,7 @@ struct proto { char *name; /* Name of this instance (== cf->name) */ unsigned debug; /* Debugging flags */ unsigned preference; /* Default route preference */ + int min_scope; /* Minimal route scope accepted */ unsigned disabled; /* Manually disabled */ unsigned proto_state; /* Protocol state machine (see below) */ unsigned core_state; /* Core state machine (see below) */ diff --git a/nest/rt-table.c b/nest/rt-table.c index edbf154..dc13ea7 100644 --- a/nest/rt-table.c +++ b/nest/rt-table.c @@ -102,7 +102,7 @@ rte_better(rte *new, rte *old) } 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; rte *new0 = new; @@ -110,8 +110,9 @@ do_rte_announce(struct announce_hook *a, net *net, rte *new, rte *old, ea_list * if (new) { - int ok = p->import_control ? p->import_control(p, &new, &tmpa, rte_update_pool) : 0; - if (ok < 0 || + int ok; + 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 || 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) { struct announce_hook *a; + int class = ipa_classify(net->n.prefix); WALK_LIST(a, tab->hooks) { 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; 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); } } @@ -195,15 +197,12 @@ rte_validate(rte *e) n->n.prefix, n->n.pxlen, e->attrs->from, e->attrs->proto->name); return 0; } - if ((c & IADDR_SCOPE_MASK) == SCOPE_HOST) + if ((c & IADDR_SCOPE_MASK) < e->attrs->proto->min_scope) { - int s = e->attrs->source; - if (s != RTS_STATIC && s != RTS_DEVICE && s != RTS_STATIC_DEVICE) - { - log(L_WARN "Ignoring host scope route %I/%d received from %I via %s", - n->n.prefix, n->n.pxlen, e->attrs->from, e->attrs->proto->name); - return 0; - } + log(L_WARN "Ignoring %s scope route %I/%d received from %I via %s", + ip_scope_text(c & IADDR_SCOPE_MASK), + n->n.prefix, n->n.pxlen, e->attrs->from, e->attrs->proto->name); + return 0; } } return 1; diff --git a/sysdep/unix/krt.c b/sysdep/unix/krt.c index 090c50b..aa9a9c4 100644 --- a/sysdep/unix/krt.c +++ b/sysdep/unix/krt.c @@ -753,6 +753,7 @@ krt_init(struct proto_config *c) struct krt_proto *p = proto_new(c, sizeof(struct krt_proto)); p->p.rt_notify = krt_notify; + p->p.min_scope = SCOPE_HOST; return &p->p; } |