diff options
Diffstat (limited to 'sysdep/bsd')
-rw-r--r-- | sysdep/bsd/krt-sock.c | 86 |
1 files changed, 43 insertions, 43 deletions
diff --git a/sysdep/bsd/krt-sock.c b/sysdep/bsd/krt-sock.c index 2e0f194b..c65cba65 100644 --- a/sysdep/bsd/krt-sock.c +++ b/sysdep/bsd/krt-sock.c @@ -193,7 +193,6 @@ krt_send_route(struct krt_proto *p, int cmd, rte *e) 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); @@ -223,14 +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) @@ -239,13 +236,13 @@ krt_send_route(struct krt_proto *p, int cmd, rte *e) break; } } - } - gw = a->nh.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; @@ -261,45 +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_UNICAST: - if (ipa_zero(gw)) - { - if(i) - { -#ifdef RTF_CLONING - if (cmd == RTM_ADD && (i->flags & IF_MULTIACCESS) != IF_MULTIACCESS) /* PTP */ - msg.rtm.rtm_flags |= RTF_CLONING; -#endif + case RTD_UNICAST: + if (ipa_nonzero(a->nh.gw)) + { + ip_addr gw = a->nh.gw; - 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; - } - } else { - msg.rtm.rtm_flags |= RTF_GATEWAY; - msg.rtm.rtm_addrs |= RTA_GATEWAY; - } + /* 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 - default: - bug("krt-sock: unknown flags, but not filtered"); + { + /* 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; +#endif + + sockaddr_fill(&gate, ipa_is_ip4(i->addr->ip) ? AF_INET : AF_INET6, i->addr->ip, NULL, 0); + msg.rtm.rtm_addrs |= RTA_GATEWAY; + } + + default: + bug("krt-sock: unknown flags, but not filtered"); } msg.rtm.rtm_index = i->index; @@ -497,7 +500,6 @@ krt_read_route(struct ks_msg *msg, struct krt_proto *p, int scan) } a.dest = RTD_UNICAST; - a.nh.next = NULL; if (flags & RTF_GATEWAY) { neighbor *ng; @@ -520,8 +522,6 @@ krt_read_route(struct ks_msg *msg, struct krt_proto *p, int scan) return; } } - else - a.nh.gw = IPA_NONE; done: e = rte_get_temp(&a); |