diff options
Diffstat (limited to 'sysdep/bsd')
| -rw-r--r-- | sysdep/bsd/krt-sock.c | 98 |
1 files changed, 49 insertions, 49 deletions
diff --git a/sysdep/bsd/krt-sock.c b/sysdep/bsd/krt-sock.c index d2372a3d..c65cba65 100644 --- a/sysdep/bsd/krt-sock.c +++ b/sysdep/bsd/krt-sock.c @@ -147,9 +147,7 @@ krt_capable(rte *e) rta *a = e->attrs; return - a->cast == RTC_UNICAST && - (a->dest == RTD_ROUTER - || a->dest == RTD_DEVICE + ((a->dest == RTD_UNICAST && !a->nh.next) /* No multipath support */ #ifdef RTF_REJECT || a->dest == RTD_UNREACHABLE #endif @@ -190,12 +188,11 @@ krt_send_route(struct krt_proto *p, int cmd, rte *e) net *net = e->net; rta *a = e->attrs; static int msg_seq; - struct iface *j, *i = a->iface; + struct iface *j, *i = a->nh.iface; int l; struct ks_msg msg; char *body = (char *)msg.buf; sockaddr gate, mask, dst; - ip_addr gw; DBG("krt-sock: send %I/%d via %I\n", net->n.prefix, net->n.pxlen, a->gw); @@ -225,14 +222,12 @@ krt_send_route(struct krt_proto *p, int cmd, rte *e) msg.rtm.rtm_flags |= RTF_BLACKHOLE; #endif - /* This is really very nasty, but I'm not able - * to add "(reject|blackhole)" route without - * gateway set + /* + * This is really very nasty, but I'm not able to add reject/blackhole route + * without gateway address. */ - if(!i) + if (!i) { - i = HEAD(iface_list); - WALK_LIST(j, iface_list) { if (j->flags & IF_LOOPBACK) @@ -241,13 +236,13 @@ krt_send_route(struct krt_proto *p, int cmd, rte *e) break; } } - } - - gw = a->gw; - /* Embed interface ID to link-local address */ - if (ipa_is_link_local(gw)) - _I0(gw) = 0xfe800000 | (i->index & 0x0000ffff); + if (!i) + { + log(L_ERR "KRT: Cannot find loopback iface"); + return -1; + } + } int af = AF_UNSPEC; @@ -263,43 +258,51 @@ krt_send_route(struct krt_proto *p, int cmd, rte *e) return -1; } - sockaddr_fill(&dst, af, net_prefix(net->n.addr), NULL, 0); sockaddr_fill(&mask, af, net_pxmask(net->n.addr), NULL, 0); - sockaddr_fill(&gate, af, gw, NULL, 0); switch (a->dest) { - case RTD_ROUTER: + case RTD_UNICAST: + if (ipa_nonzero(a->nh.gw)) + { + ip_addr gw = a->nh.gw; + + /* Embed interface ID to link-local address */ + if (ipa_is_link_local(gw)) + _I0(gw) = 0xfe800000 | (i->index & 0x0000ffff); + + sockaddr_fill(&gate, af, gw, NULL, 0); msg.rtm.rtm_flags |= RTF_GATEWAY; msg.rtm.rtm_addrs |= RTA_GATEWAY; break; + } #ifdef RTF_REJECT - case RTD_UNREACHABLE: + case RTD_UNREACHABLE: #endif #ifdef RTF_BLACKHOLE - case RTD_BLACKHOLE: + case RTD_BLACKHOLE: #endif - case RTD_DEVICE: - if(i) - { + { + /* Fallback for all other valid cases */ + if (!i->addr) + { + log(L_ERR "KRT: interface %s has no IP addess", i->name); + return -1; + } + #ifdef RTF_CLONING - if (cmd == RTM_ADD && (i->flags & IF_MULTIACCESS) != IF_MULTIACCESS) /* PTP */ - msg.rtm.rtm_flags |= RTF_CLONING; + if (cmd == RTM_ADD && (i->flags & IF_MULTIACCESS) != IF_MULTIACCESS) /* PTP */ + msg.rtm.rtm_flags |= RTF_CLONING; #endif - if(!i->addr) { - log(L_ERR "KRT: interface %s has no IP addess", i->name); - return -1; - } + sockaddr_fill(&gate, ipa_is_ip4(i->addr->ip) ? AF_INET : AF_INET6, i->addr->ip, NULL, 0); + msg.rtm.rtm_addrs |= RTA_GATEWAY; + } - sockaddr_fill(&gate, ipa_is_ip4(i->addr->ip) ? AF_INET : AF_INET6, i->addr->ip, NULL, 0); - msg.rtm.rtm_addrs |= RTA_GATEWAY; - } - break; - default: - bug("krt-sock: unknown flags, but not filtered"); + default: + bug("krt-sock: unknown flags, but not filtered"); } msg.rtm.rtm_index = i->index; @@ -469,7 +472,6 @@ krt_read_route(struct ks_msg *msg, struct krt_proto *p, int scan) .src = p->p.main_source, .source = RTS_INHERIT, .scope = SCOPE_UNIVERSE, - .cast = RTC_UNICAST }; /* reject/blackhole routes have also set RTF_GATEWAY, @@ -489,39 +491,37 @@ krt_read_route(struct ks_msg *msg, struct krt_proto *p, int scan) } #endif - a.iface = if_find_by_index(msg->rtm.rtm_index); - if (!a.iface) + a.nh.iface = if_find_by_index(msg->rtm.rtm_index); + if (!a.nh.iface) { log(L_ERR "KRT: Received route %N with unknown ifindex %u", net->n.addr, msg->rtm.rtm_index); return; } + a.dest = RTD_UNICAST; if (flags & RTF_GATEWAY) { neighbor *ng; - a.dest = RTD_ROUTER; - a.gw = igate; + a.nh.gw = igate; /* Clean up embedded interface ID returned in link-local address */ - if (ipa_is_link_local(a.gw)) - _I0(a.gw) = 0xfe800000; + if (ipa_is_link_local(a.nh.gw)) + _I0(a.nh.gw) = 0xfe800000; - ng = neigh_find2(&p->p, &a.gw, a.iface, 0); + ng = neigh_find2(&p->p, &a.nh.gw, a.nh.iface, 0); if (!ng || (ng->scope == SCOPE_HOST)) { /* Ignore routes with next-hop 127.0.0.1, host routes with such next-hop appear on OpenBSD for address aliases. */ - if (ipa_classify(a.gw) == (IADDR_HOST | SCOPE_HOST)) + if (ipa_classify(a.nh.gw) == (IADDR_HOST | SCOPE_HOST)) return; log(L_ERR "KRT: Received route %N with strange next-hop %I", - net->n.addr, a.gw); + net->n.addr, a.nh.gw); return; } } - else - a.dest = RTD_DEVICE; done: e = rte_get_temp(&a); |