From 9b136840d90cce887cd139054c3f0a7d8b9f57d2 Mon Sep 17 00:00:00 2001 From: Jan Moskyto Matejka Date: Mon, 7 Dec 2015 16:24:18 +0100 Subject: Netlink and BSD: Integrating IPv4 and IPv6 Squashing and minor changes by Ondrej Santiago Zajicek --- sysdep/bsd/krt-sock.c | 52 +++++++++++++++++++++++++++++++++++---------------- 1 file changed, 36 insertions(+), 16 deletions(-) (limited to 'sysdep/bsd') diff --git a/sysdep/bsd/krt-sock.c b/sysdep/bsd/krt-sock.c index 29203d1b..1db39493 100644 --- a/sysdep/bsd/krt-sock.c +++ b/sysdep/bsd/krt-sock.c @@ -207,7 +207,7 @@ krt_send_route(struct krt_proto *p, int cmd, rte *e) msg.rtm.rtm_addrs = RTA_DST; msg.rtm.rtm_flags = RTF_UP | RTF_PROTO1; - if (net->n.pxlen == MAX_PREFIX_LENGTH) + if (net_prefix(net->n.addr) == MAX_PREFIX_LENGTH) msg.rtm.rtm_flags |= RTF_HOST; else msg.rtm.rtm_addrs |= RTA_NETMASK; @@ -251,9 +251,24 @@ krt_send_route(struct krt_proto *p, int cmd, rte *e) _I0(gw) = 0xfe800000 | (i->index & 0x0000ffff); #endif - sockaddr_fill(&dst, BIRD_AF, net->n.prefix, NULL, 0); - sockaddr_fill(&mask, BIRD_AF, ipa_mkmask(net->n.pxlen), NULL, 0); - sockaddr_fill(&gate, BIRD_AF, gw, NULL, 0); + int af = AF_UNSPEC; + + switch (net->n.addr->type) { + case NET_IP4: + af = AF_INET; + break; + case NET_IP6: + af = AF_INET6; + break; + default: + log(L_ERR "KRT: Not sending VPN route %N to kernel", net->n.addr); + 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) { @@ -299,7 +314,7 @@ krt_send_route(struct krt_proto *p, int cmd, rte *e) msg.rtm.rtm_msglen = l; if ((l = write(p->sys.sk->fd, (char *)&msg, l)) < 0) { - log(L_ERR "KRT: Error sending route %I/%d to kernel: %m", net->n.prefix, net->n.pxlen); + log(L_ERR "KRT: Error sending route %N to kernel: %m", net->n.addr); return -1; } @@ -335,6 +350,7 @@ krt_read_route(struct ks_msg *msg, struct krt_proto *p, int scan) net *net; sockaddr dst, gate, mask; ip_addr idst, igate, imask; + net_addr ndst; void *body = (char *)msg->buf; int new = (msg->rtm.rtm_type != RTM_DELETE); char *errmsg = "KRT: Invalid route received"; @@ -386,8 +402,11 @@ krt_read_route(struct ks_msg *msg, struct krt_proto *p, int scan) if (pxlen < 0) { log(L_ERR "%s (%I) - netmask %I", errmsg, idst, imask); return; } + /* XXXX */ + net_fill_ipa(&ndst, idst, pxlen); + if ((flags & RTF_GATEWAY) && ipa_zero(igate)) - { log(L_ERR "%s (%I/%d) - missing gateway", errmsg, idst, pxlen); return; } + { log(L_ERR "%s (%N) - missing gateway", errmsg, ndst); return; } u32 self_mask = RTF_PROTO1; u32 alien_mask = RTF_STATIC | RTF_PROTO1 | RTF_GATEWAY; @@ -426,7 +445,7 @@ krt_read_route(struct ks_msg *msg, struct krt_proto *p, int scan) else src = KRT_SRC_KERNEL; - net = net_get(p->p.table, idst, pxlen); + net = net_get(p->p.table, &ndst); rta a = { .src = p->p.main_source, @@ -455,8 +474,8 @@ krt_read_route(struct ks_msg *msg, struct krt_proto *p, int scan) a.iface = if_find_by_index(msg->rtm.rtm_index); if (!a.iface) { - log(L_ERR "KRT: Received route %I/%d with unknown ifindex %u", - net->n.prefix, net->n.pxlen, msg->rtm.rtm_index); + log(L_ERR "KRT: Received route %N with unknown ifindex %u", + net->n.addr, msg->rtm.rtm_index); return; } @@ -480,8 +499,8 @@ krt_read_route(struct ks_msg *msg, struct krt_proto *p, int scan) if (ipa_classify(a.gw) == (IADDR_HOST | SCOPE_HOST)) return; - log(L_ERR "KRT: Received route %I/%d with strange next-hop %I", - net->n.prefix, net->n.pxlen, a.gw); + log(L_ERR "KRT: Received route %N with strange next-hop %I", + net->n.addr, a.gw); return; } } @@ -652,7 +671,7 @@ krt_read_addr(struct ks_msg *msg, int scan) imask = ipa_from_sa(&mask); ibrd = ipa_from_sa(&brd); - + /* XXXX */ if ((masklen = ipa_masklen(imask)) < 0) { log(L_ERR "KIF: Invalid masklen %I for %s", imask, iface->name); @@ -673,7 +692,6 @@ krt_read_addr(struct ks_msg *msg, int scan) bzero(&ifa, sizeof(ifa)); ifa.iface = iface; ifa.ip = iaddr; - ifa.pxlen = masklen; scope = ipa_classify(ifa.ip); if (scope < 0) @@ -685,7 +703,8 @@ krt_read_addr(struct ks_msg *msg, int scan) if (masklen < BITS_PER_IP_ADDRESS) { - ifa.prefix = ipa_and(ifa.ip, ipa_mkmask(masklen)); + net_fill_ipa(&ifa.prefix, ifa.ip, masklen); + net_normalize(&ifa.prefix); if (masklen == (BITS_PER_IP_ADDRESS - 1)) ifa.opposite = ipa_opposite_m1(ifa.ip); @@ -703,12 +722,13 @@ krt_read_addr(struct ks_msg *msg, int scan) } else if (!(iface->flags & IF_MULTIACCESS) && ipa_nonzero(ibrd)) { - ifa.prefix = ifa.opposite = ibrd; + net_fill_ipa(&ifa.prefix, ibrd, BITS_PER_IP_ADDRESS); + ifa.opposite = ibrd; ifa.flags |= IA_PEER; } else { - ifa.prefix = ifa.ip; + net_fill_ipa(&ifa.prefix, ifa.ip, BITS_PER_IP_ADDRESS); ifa.flags |= IA_HOST; } -- cgit v1.2.3