X-Git-Url: https://git.decadent.org.uk/gitweb/?p=odhcp6c.git;a=blobdiff_plain;f=src%2Fra.c;h=814a17decfe706dbde3da71d3749d9ff8dc7a594;hp=f1a5f7fdb5747d0160283adff8a2dc9c43db12b1;hb=a300c7335c5ad78fb053e7c73b45e95e1f3c2ad1;hpb=e69df66491b6d6d244c3274ae36f7b640bd07a5e diff --git a/src/ra.c b/src/ra.c index f1a5f7f..814a17d 100644 --- a/src/ra.c +++ b/src/ra.c @@ -1,3 +1,17 @@ +/** + * Copyright (C) 2012-2013 Steven Barth + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License v2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + #include #include #include @@ -125,7 +139,7 @@ static bool ra_deduplicate(const struct in6_addr *any, uint8_t length) { struct odhcp6c_entry entry = {IN6ADDR_ANY_INIT, length, 0, *any, 0, 0}; struct odhcp6c_entry *x = odhcp6c_find_entry(STATE_RA_PREFIX, &entry); - if (x) { + if (x && IN6_ARE_ADDR_EQUAL(&x->target, any)) { odhcp6c_random(&x->target.s6_addr32[2], 2 * sizeof(uint32_t)); } else if (odhcp6c_find_entry(STATE_IA_NA, &entry)) { dhcpv6_request(DHCPV6_MSG_DECLINE); @@ -157,7 +171,7 @@ bool ra_rtnl_process(void) ssize_t alen = NLMSG_PAYLOAD(nh, sizeof(*ifa)); for (struct rtattr *rta = (struct rtattr*)&ifa[1]; RTA_OK(rta, alen); rta = RTA_NEXT(rta, alen)) - if (rta->rta_type == IFA_LOCAL && RTA_PAYLOAD(rta) >= sizeof(*addr)) + if (rta->rta_type == IFA_ADDRESS && RTA_PAYLOAD(rta) >= sizeof(*addr)) addr = RTA_DATA(rta); if (addr) @@ -236,7 +250,7 @@ bool ra_process(void) struct nd_opt_prefix_info *pinfo = (struct nd_opt_prefix_info*)opt; entry.router = any; entry.target = pinfo->nd_opt_pi_prefix; - entry.priority = 0; + entry.priority = 256; entry.length = pinfo->nd_opt_pi_prefix_len; entry.valid = ntohl(pinfo->nd_opt_pi_valid_time); entry.preferred = ntohl(pinfo->nd_opt_pi_preferred_time);