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Merge jrb0001 fixes

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This commit is contained in:
Simon Marsh 2021-01-10 13:46:22 +00:00
commit f3c26c4824
Signed by: burble
GPG Key ID: 0FCCD13AE1CF7ED8
4 changed files with 44 additions and 11 deletions
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30
nest/proto.c
View File

@ -2156,3 +2156,33 @@ proto_iterate_named(struct symbol *sym, struct protocol *proto, struct proto *ol
return NULL;
}
}
/*
* jrb0001 fix to reload protocols on RPKI change
*
*/
void
reload_all(void)
{
log(L_INFO "Reloading all protocols.");
struct proto *p;
WALK_LIST(p, proto_list)
{
if (!p->disabled && p->proto_state == PS_UP)
{
log(L_INFO "Reloading protocol %s.", p->name);
struct channel *c;
WALK_LIST(c, p->channels)
{
if (channel_reloadable(c) && c->channel_state == CS_UP)
{
channel_request_reload(c);
channel_request_feeding(c);
}
}
}
}
}

1
nest/protocol.h
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@ -630,6 +630,7 @@ void *channel_config_new(const struct channel_class *cc, const char *name, uint
void *channel_config_get(const struct channel_class *cc, const char *name, uint net_type, struct proto_config *proto);
int channel_reconfigure(struct channel *c, struct channel_config *cf);
void reload_all(void);
/* Moved from route.h to avoid dependency conflicts */
static inline void rte_update(struct proto *p, const net_addr *n, rte *new) { rte_update2(p->main_channel, n, new, p->main_source); }

22
proto/bgp/packets.c
View File

@ -891,10 +891,10 @@ bgp_rx_open(struct bgp_conn *conn, byte *pkt, uint len)
#define WITHDRAW(msg, args...) \
({ REPORT(msg, ## args); s->err_withdraw = 1; return; })
#define BAD_AFI "Unexpected AF <%u/%u> in UPDATE"
#define BAD_NEXT_HOP "Invalid NEXT_HOP attribute"
#define NO_NEXT_HOP "Missing NEXT_HOP attribute"
#define NO_LABEL_STACK "Missing MPLS stack"
#define BAD_AFI "Unexpected AF <%u/%u> in UPDATE."
#define BAD_NEXT_HOP "Invalid NEXT_HOP attribute %I (%s)."
#define NO_NEXT_HOP "Missing NEXT_HOP attribute."
#define NO_LABEL_STACK "Missing MPLS stack."
static void
@ -914,7 +914,7 @@ bgp_apply_next_hop(struct bgp_parse_state *s, rta *a, ip_addr gw, ip_addr ll)
nbr = neigh_find(&p->p, ll, p->neigh->iface, 0);
if (!nbr || (nbr->scope == SCOPE_HOST))
WITHDRAW(BAD_NEXT_HOP);
WITHDRAW(BAD_NEXT_HOP, gw, "missing or local neighbor");
a->dest = RTD_UNICAST;
a->nh.gw = nbr->addr;
@ -924,7 +924,7 @@ bgp_apply_next_hop(struct bgp_parse_state *s, rta *a, ip_addr gw, ip_addr ll)
else /* GW_RECURSIVE */
{
if (ipa_zero(gw))
WITHDRAW(BAD_NEXT_HOP);
WITHDRAW(BAD_NEXT_HOP, gw, "zero address");
rtable *tab = ipa_is_ip4(gw) ? c->igp_table_ip4 : c->igp_table_ip6;
s->hostentry = rt_get_hostentry(tab, gw, ll, c->c.table);
@ -1086,16 +1086,16 @@ bgp_update_next_hop_ip(struct bgp_export_state *s, eattr *a, ea_list **to)
/* Forbid zero next hop */
if (ipa_zero(nh[0]) && ((len != 32) || ipa_zero(nh[1])))
WITHDRAW(BAD_NEXT_HOP);
WITHDRAW(BAD_NEXT_HOP, nh[0], "zero address");
/* Forbid next hop equal to neighbor IP */
if (ipa_equal(peer, nh[0]) || ((len == 32) && ipa_equal(peer, nh[1])))
WITHDRAW(BAD_NEXT_HOP);
WITHDRAW(BAD_NEXT_HOP, nh[0], "equals neighbor address");
/* Forbid next hop with non-matching AF */
if ((ipa_is_ip4(nh[0]) != bgp_channel_is_ipv4(s->channel)) &&
!s->channel->ext_next_hop)
WITHDRAW(BAD_NEXT_HOP);
WITHDRAW(BAD_NEXT_HOP, nh[0], "wrong address family");
/* Just check if MPLS stack */
if (s->mpls && !bgp_find_attr(*to, BA_MPLS_LABEL_STACK))
@ -1170,7 +1170,7 @@ bgp_decode_next_hop_ip(struct bgp_parse_state *s, byte *data, uint len, rta *a)
ad->length = 16;
if ((bgp_channel_is_ipv4(c) != ipa_is_ip4(nh[0])) && !c->ext_next_hop)
WITHDRAW(BAD_NEXT_HOP);
WITHDRAW(BAD_NEXT_HOP, nh[0], "wrong address family");
// XXXX validate next hop
@ -1251,7 +1251,7 @@ bgp_decode_next_hop_vpn(struct bgp_parse_state *s, byte *data, uint len, rta *a)
bgp_parse_error(s, 9);
if ((bgp_channel_is_ipv4(c) != ipa_is_ip4(nh[0])) && !c->ext_next_hop)
WITHDRAW(BAD_NEXT_HOP);
WITHDRAW(BAD_NEXT_HOP, nh[0], "wrong address family");
// XXXX validate next hop

2
proto/rpki/packets.c
View File

@ -827,6 +827,8 @@ rpki_handle_end_of_data_pdu(struct rpki_cache *cache, const struct pdu_end_of_da
cache->last_update = current_time();
cache->serial_num = pdu->serial_num;
rpki_cache_change_state(cache, RPKI_CS_ESTABLISHED);
reload_all();
}
/**