2013-10-17 03:18:36 +02:00
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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2013 Tom Gundersen <teg@jklm.no>
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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2015-10-27 03:01:06 +01:00
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#include "alloc-util.h"
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2013-10-17 03:18:36 +02:00
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#include "conf-parser.h"
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2015-10-03 18:40:28 +02:00
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#include "in-addr-util.h"
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2015-08-27 13:59:06 +02:00
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#include "netlink-util.h"
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2015-10-26 16:18:16 +01:00
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#include "networkd-route.h"
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2015-08-27 13:59:06 +02:00
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#include "networkd.h"
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2015-10-26 16:18:16 +01:00
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#include "parse-util.h"
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2015-10-25 14:46:21 +01:00
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#include "set.h"
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2015-10-24 22:58:24 +02:00
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#include "string-util.h"
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#include "util.h"
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2013-10-17 03:18:36 +02:00
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2015-10-09 23:43:52 +02:00
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int route_new(Route **ret) {
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2015-09-21 15:53:40 +02:00
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_cleanup_route_free_ Route *route = NULL;
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route = new0(Route, 1);
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if (!route)
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return -ENOMEM;
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route->family = AF_UNSPEC;
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route->scope = RT_SCOPE_UNIVERSE;
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2015-10-09 23:43:52 +02:00
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route->protocol = RTPROT_UNSPEC;
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2015-10-03 18:40:28 +02:00
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route->table = RT_TABLE_DEFAULT;
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2015-09-21 15:53:40 +02:00
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*ret = route;
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route = NULL;
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return 0;
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}
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2014-01-01 15:16:10 +01:00
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int route_new_static(Network *network, unsigned section, Route **ret) {
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2013-10-17 03:18:36 +02:00
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_cleanup_route_free_ Route *route = NULL;
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2015-09-21 15:53:40 +02:00
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int r;
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2013-10-17 03:18:36 +02:00
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2013-11-19 16:54:42 +01:00
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if (section) {
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2014-07-28 12:21:51 +02:00
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route = hashmap_get(network->routes_by_section,
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UINT_TO_PTR(section));
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2013-11-19 16:54:42 +01:00
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if (route) {
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*ret = route;
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route = NULL;
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return 0;
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}
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}
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2015-10-09 23:43:52 +02:00
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r = route_new(&route);
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2015-09-21 15:53:40 +02:00
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if (r < 0)
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return r;
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2014-01-28 20:00:47 +01:00
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2015-10-09 23:43:52 +02:00
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route->protocol = RTPROT_STATIC;
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2013-10-17 03:18:36 +02:00
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route->network = network;
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2014-05-15 20:10:33 +02:00
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LIST_PREPEND(routes, network->static_routes, route);
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2013-10-17 03:18:36 +02:00
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2013-11-19 16:54:42 +01:00
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if (section) {
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route->section = section;
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2014-07-28 12:21:51 +02:00
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hashmap_put(network->routes_by_section,
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UINT_TO_PTR(route->section), route);
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2013-11-19 16:54:42 +01:00
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}
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2013-10-17 03:18:36 +02:00
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*ret = route;
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route = NULL;
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return 0;
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}
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void route_free(Route *route) {
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if (!route)
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return;
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2014-01-01 15:16:10 +01:00
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if (route->network) {
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2014-05-15 20:10:33 +02:00
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LIST_REMOVE(routes, route->network->static_routes, route);
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2013-10-17 03:18:36 +02:00
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2014-01-01 15:16:10 +01:00
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if (route->section)
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hashmap_remove(route->network->routes_by_section,
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2014-07-28 12:21:51 +02:00
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UINT_TO_PTR(route->section));
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2014-01-01 15:16:10 +01:00
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}
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2013-11-19 16:54:42 +01:00
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2015-10-25 14:46:21 +01:00
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if (route->link) {
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set_remove(route->link->routes, route);
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set_remove(route->link->routes_foreign, route);
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}
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2013-10-17 03:18:36 +02:00
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free(route);
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}
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2015-10-03 18:40:28 +02:00
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static void route_hash_func(const void *b, struct siphash *state) {
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const Route *route = b;
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assert(route);
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siphash24_compress(&route->family, sizeof(route->family), state);
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switch (route->family) {
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case AF_INET:
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case AF_INET6:
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/* Equality of routes are given by the 4-touple
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(dst_prefix,dst_prefixlen,tos,priority,table) */
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2015-10-25 15:09:40 +01:00
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siphash24_compress(&route->dst, FAMILY_ADDRESS_SIZE(route->family), state);
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2015-10-03 18:40:28 +02:00
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siphash24_compress(&route->dst_prefixlen, sizeof(route->dst_prefixlen), state);
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siphash24_compress(&route->tos, sizeof(route->tos), state);
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siphash24_compress(&route->priority, sizeof(route->priority), state);
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siphash24_compress(&route->table, sizeof(route->table), state);
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break;
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default:
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/* treat any other address family as AF_UNSPEC */
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break;
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}
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}
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static int route_compare_func(const void *_a, const void *_b) {
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const Route *a = _a, *b = _b;
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if (a->family < b->family)
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return -1;
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if (a->family > b->family)
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return 1;
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switch (a->family) {
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case AF_INET:
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case AF_INET6:
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if (a->dst_prefixlen < b->dst_prefixlen)
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return -1;
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if (a->dst_prefixlen > b->dst_prefixlen)
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return 1;
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if (a->tos < b->tos)
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return -1;
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if (a->tos > b->tos)
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return 1;
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if (a->priority < b->priority)
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return -1;
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if (a->priority > b->priority)
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return 1;
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if (a->table < b->table)
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return -1;
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if (a->table > b->table)
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return 1;
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2015-10-25 15:09:40 +01:00
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return memcmp(&a->dst, &b->dst, FAMILY_ADDRESS_SIZE(a->family));
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2015-10-03 18:40:28 +02:00
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default:
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/* treat any other address family as AF_UNSPEC */
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return 0;
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}
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}
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static const struct hash_ops route_hash_ops = {
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.hash = route_hash_func,
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.compare = route_compare_func
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};
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2015-10-25 14:46:21 +01:00
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int route_get(Link *link,
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int family,
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union in_addr_union *dst,
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unsigned char dst_prefixlen,
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unsigned char tos,
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uint32_t priority,
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unsigned char table,
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Route **ret) {
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Route route = {
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.family = family,
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.dst_prefixlen = dst_prefixlen,
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.tos = tos,
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.priority = priority,
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.table = table,
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}, *existing;
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assert(link);
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assert(dst);
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assert(ret);
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route.dst = *dst;
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existing = set_get(link->routes, &route);
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if (existing) {
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*ret = existing;
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return 1;
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} else {
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existing = set_get(link->routes_foreign, &route);
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if (!existing)
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return -ENOENT;
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}
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*ret = existing;
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return 0;
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}
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static int route_add_internal(Link *link, Set **routes,
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int family,
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union in_addr_union *dst,
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unsigned char dst_prefixlen,
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unsigned char tos,
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uint32_t priority,
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unsigned char table, Route **ret) {
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_cleanup_route_free_ Route *route = NULL;
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int r;
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assert(link);
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assert(routes);
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assert(dst);
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r = route_new(&route);
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if (r < 0)
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return r;
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route->family = family;
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route->dst = *dst;
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route->dst_prefixlen = dst_prefixlen;
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route->tos = tos;
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route->priority = priority;
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route->table = table;
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r = set_ensure_allocated(routes, &route_hash_ops);
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if (r < 0)
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return r;
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r = set_put(*routes, route);
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if (r < 0)
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return r;
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route->link = link;
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if (ret)
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*ret = route;
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route = NULL;
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return 0;
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}
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int route_add_foreign(Link *link,
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int family,
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union in_addr_union *dst,
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unsigned char dst_prefixlen,
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unsigned char tos,
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uint32_t priority,
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unsigned char table, Route **ret) {
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return route_add_internal(link, &link->routes_foreign, family, dst, dst_prefixlen, tos, priority, table, ret);
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}
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int route_add(Link *link,
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int family,
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union in_addr_union *dst,
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unsigned char dst_prefixlen,
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unsigned char tos,
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uint32_t priority,
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unsigned char table, Route **ret) {
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Route *route;
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int r;
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r = route_get(link, family, dst, dst_prefixlen, tos, priority, table, &route);
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if (r == -ENOENT) {
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/* Route does not exist, create a new one */
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r = route_add_internal(link, &link->routes, family, dst, dst_prefixlen, tos, priority, table, &route);
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if (r < 0)
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return r;
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} else if (r == 0) {
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/* Take over a foreign route */
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r = set_ensure_allocated(&link->routes, &route_hash_ops);
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if (r < 0)
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return r;
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r = set_put(link->routes, route);
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if (r < 0)
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return r;
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set_remove(link->routes_foreign, route);
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} else if (r == 1) {
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/* Route exists, do nothing */
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;
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} else
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return r;
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*ret = route;
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return 0;
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}
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int route_update(Route *route,
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union in_addr_union *src,
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unsigned char src_prefixlen,
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union in_addr_union *gw,
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union in_addr_union *prefsrc,
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unsigned char scope,
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unsigned char protocol) {
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assert(route);
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assert(src);
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assert(gw);
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assert(prefsrc);
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route->src = *src;
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route->src_prefixlen = src_prefixlen;
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route->gw = *gw;
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route->prefsrc = *prefsrc;
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route->scope = scope;
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route->protocol = protocol;
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return 0;
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}
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void route_drop(Route *route) {
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assert(route);
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route_free(route);
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}
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2015-09-24 15:25:20 +02:00
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int route_remove(Route *route, Link *link,
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2015-06-12 16:31:33 +02:00
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sd_netlink_message_handler_t callback) {
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_cleanup_netlink_message_unref_ sd_netlink_message *req = NULL;
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2014-02-28 16:10:20 +01:00
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int r;
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assert(link);
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assert(link->manager);
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assert(link->manager->rtnl);
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assert(link->ifindex > 0);
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assert(route->family == AF_INET || route->family == AF_INET6);
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r = sd_rtnl_message_new_route(link->manager->rtnl, &req,
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2014-07-22 23:54:47 +02:00
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RTM_DELROUTE, route->family,
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route->protocol);
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2014-11-28 18:50:43 +01:00
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if (r < 0)
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return log_error_errno(r, "Could not create RTM_DELROUTE message: %m");
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2014-02-28 16:10:20 +01:00
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2015-10-25 15:09:40 +01:00
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if (!in_addr_is_null(route->family, &route->gw)) {
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2014-11-25 00:51:31 +01:00
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if (route->family == AF_INET)
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2015-10-25 15:09:40 +01:00
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r = sd_netlink_message_append_in_addr(req, RTA_GATEWAY, &route->gw.in);
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2014-11-25 00:51:31 +01:00
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else if (route->family == AF_INET6)
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2015-10-25 15:09:40 +01:00
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r = sd_netlink_message_append_in6_addr(req, RTA_GATEWAY, &route->gw.in6);
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2014-11-28 18:50:43 +01:00
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if (r < 0)
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return log_error_errno(r, "Could not append RTA_GATEWAY attribute: %m");
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2014-02-28 16:10:20 +01:00
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|
|
}
|
|
|
|
|
|
|
|
if (route->dst_prefixlen) {
|
|
|
|
if (route->family == AF_INET)
|
2015-10-25 15:09:40 +01:00
|
|
|
r = sd_netlink_message_append_in_addr(req, RTA_DST, &route->dst.in);
|
2014-02-28 16:10:20 +01:00
|
|
|
else if (route->family == AF_INET6)
|
2015-10-25 15:09:40 +01:00
|
|
|
r = sd_netlink_message_append_in6_addr(req, RTA_DST, &route->dst.in6);
|
2014-11-28 18:50:43 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not append RTA_DST attribute: %m");
|
2014-02-28 16:10:20 +01:00
|
|
|
|
|
|
|
r = sd_rtnl_message_route_set_dst_prefixlen(req, route->dst_prefixlen);
|
2014-11-28 18:50:43 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not set destination prefix length: %m");
|
2014-02-28 16:10:20 +01:00
|
|
|
}
|
|
|
|
|
2014-12-04 15:52:21 +01:00
|
|
|
if (route->src_prefixlen) {
|
|
|
|
if (route->family == AF_INET)
|
2015-10-25 15:09:40 +01:00
|
|
|
r = sd_netlink_message_append_in_addr(req, RTA_SRC, &route->src.in);
|
2014-12-04 15:52:21 +01:00
|
|
|
else if (route->family == AF_INET6)
|
2015-10-25 15:09:40 +01:00
|
|
|
r = sd_netlink_message_append_in6_addr(req, RTA_SRC, &route->src.in6);
|
2014-12-04 15:52:21 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not append RTA_DST attribute: %m");
|
|
|
|
|
|
|
|
r = sd_rtnl_message_route_set_src_prefixlen(req, route->src_prefixlen);
|
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not set source prefix length: %m");
|
|
|
|
}
|
|
|
|
|
2015-10-25 15:09:40 +01:00
|
|
|
if (!in_addr_is_null(route->family, &route->prefsrc)) {
|
2014-09-05 11:56:02 +02:00
|
|
|
if (route->family == AF_INET)
|
2015-10-25 15:09:40 +01:00
|
|
|
r = sd_netlink_message_append_in_addr(req, RTA_PREFSRC, &route->prefsrc.in);
|
2014-09-05 11:56:02 +02:00
|
|
|
else if (route->family == AF_INET6)
|
2015-10-25 15:09:40 +01:00
|
|
|
r = sd_netlink_message_append_in6_addr(req, RTA_PREFSRC, &route->prefsrc.in6);
|
2014-11-28 18:50:43 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not append RTA_PREFSRC attribute: %m");
|
2014-09-05 11:56:02 +02:00
|
|
|
}
|
|
|
|
|
2014-02-28 16:10:20 +01:00
|
|
|
r = sd_rtnl_message_route_set_scope(req, route->scope);
|
2014-11-28 18:50:43 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not set scope: %m");
|
2014-02-28 16:10:20 +01:00
|
|
|
|
2015-10-26 17:04:57 +01:00
|
|
|
r = sd_netlink_message_append_u32(req, RTA_PRIORITY, route->priority);
|
2014-11-28 18:50:43 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not append RTA_PRIORITY attribute: %m");
|
2014-02-28 16:10:20 +01:00
|
|
|
|
2015-06-12 16:31:33 +02:00
|
|
|
r = sd_netlink_message_append_u32(req, RTA_OIF, link->ifindex);
|
2014-11-28 18:50:43 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not append RTA_OIF attribute: %m");
|
2014-02-28 16:10:20 +01:00
|
|
|
|
2015-06-12 16:31:33 +02:00
|
|
|
r = sd_netlink_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
|
2014-11-28 18:50:43 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not send rtnetlink message: %m");
|
2014-02-28 16:10:20 +01:00
|
|
|
|
2014-07-03 09:43:31 +02:00
|
|
|
link_ref(link);
|
|
|
|
|
2014-02-28 16:10:20 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-11-14 16:22:51 +01:00
|
|
|
int route_configure(Route *route, Link *link,
|
2015-06-12 16:31:33 +02:00
|
|
|
sd_netlink_message_handler_t callback) {
|
|
|
|
_cleanup_netlink_message_unref_ sd_netlink_message *req = NULL;
|
2013-10-17 03:18:36 +02:00
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(link);
|
2013-11-14 16:22:51 +01:00
|
|
|
assert(link->manager);
|
|
|
|
assert(link->manager->rtnl);
|
2013-10-17 03:18:36 +02:00
|
|
|
assert(link->ifindex > 0);
|
|
|
|
assert(route->family == AF_INET || route->family == AF_INET6);
|
|
|
|
|
2014-02-19 23:54:58 +01:00
|
|
|
r = sd_rtnl_message_new_route(link->manager->rtnl, &req,
|
2014-07-22 23:54:47 +02:00
|
|
|
RTM_NEWROUTE, route->family,
|
|
|
|
route->protocol);
|
2014-11-28 18:50:43 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not create RTM_NEWROUTE message: %m");
|
2013-10-17 03:18:36 +02:00
|
|
|
|
2015-10-25 15:09:40 +01:00
|
|
|
if (!in_addr_is_null(route->family, &route->gw)) {
|
2014-11-25 00:51:31 +01:00
|
|
|
if (route->family == AF_INET)
|
2015-10-25 15:09:40 +01:00
|
|
|
r = sd_netlink_message_append_in_addr(req, RTA_GATEWAY, &route->gw.in);
|
2014-11-25 00:51:31 +01:00
|
|
|
else if (route->family == AF_INET6)
|
2015-10-25 15:09:40 +01:00
|
|
|
r = sd_netlink_message_append_in6_addr(req, RTA_GATEWAY, &route->gw.in6);
|
2014-11-28 18:50:43 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not append RTA_GATEWAY attribute: %m");
|
2013-10-17 03:18:36 +02:00
|
|
|
}
|
|
|
|
|
2013-12-15 14:00:20 +01:00
|
|
|
if (route->dst_prefixlen) {
|
|
|
|
if (route->family == AF_INET)
|
2015-10-25 15:09:40 +01:00
|
|
|
r = sd_netlink_message_append_in_addr(req, RTA_DST, &route->dst.in);
|
2013-12-15 14:00:20 +01:00
|
|
|
else if (route->family == AF_INET6)
|
2015-10-25 15:09:40 +01:00
|
|
|
r = sd_netlink_message_append_in6_addr(req, RTA_DST, &route->dst.in6);
|
2014-11-28 18:50:43 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not append RTA_DST attribute: %m");
|
2013-11-19 16:54:42 +01:00
|
|
|
|
2013-12-07 23:03:19 +01:00
|
|
|
r = sd_rtnl_message_route_set_dst_prefixlen(req, route->dst_prefixlen);
|
2014-11-28 18:50:43 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not set destination prefix length: %m");
|
2013-12-07 21:18:44 +01:00
|
|
|
}
|
|
|
|
|
2014-12-04 15:52:21 +01:00
|
|
|
if (route->src_prefixlen) {
|
|
|
|
if (route->family == AF_INET)
|
2015-10-25 15:09:40 +01:00
|
|
|
r = sd_netlink_message_append_in_addr(req, RTA_SRC, &route->src.in);
|
2014-12-04 15:52:21 +01:00
|
|
|
else if (route->family == AF_INET6)
|
2015-10-25 15:09:40 +01:00
|
|
|
r = sd_netlink_message_append_in6_addr(req, RTA_SRC, &route->src.in6);
|
2014-12-04 15:52:21 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not append RTA_SRC attribute: %m");
|
|
|
|
|
|
|
|
r = sd_rtnl_message_route_set_src_prefixlen(req, route->src_prefixlen);
|
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not set source prefix length: %m");
|
|
|
|
}
|
|
|
|
|
2015-10-25 15:09:40 +01:00
|
|
|
if (!in_addr_is_null(route->family, &route->prefsrc)) {
|
2014-09-05 11:56:02 +02:00
|
|
|
if (route->family == AF_INET)
|
2015-10-25 15:09:40 +01:00
|
|
|
r = sd_netlink_message_append_in_addr(req, RTA_PREFSRC, &route->prefsrc.in);
|
2014-09-05 11:56:02 +02:00
|
|
|
else if (route->family == AF_INET6)
|
2015-10-25 15:09:40 +01:00
|
|
|
r = sd_netlink_message_append_in6_addr(req, RTA_PREFSRC, &route->prefsrc.in6);
|
2014-11-28 18:50:43 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not append RTA_PREFSRC attribute: %m");
|
2014-09-05 11:56:02 +02:00
|
|
|
}
|
|
|
|
|
2014-02-28 16:10:20 +01:00
|
|
|
r = sd_rtnl_message_route_set_scope(req, route->scope);
|
2014-11-28 18:50:43 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not set scope: %m");
|
2014-02-28 16:10:20 +01:00
|
|
|
|
2015-10-26 17:04:57 +01:00
|
|
|
r = sd_netlink_message_append_u32(req, RTA_PRIORITY, route->priority);
|
2014-11-28 18:50:43 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not append RTA_PRIORITY attribute: %m");
|
2014-02-28 16:10:20 +01:00
|
|
|
|
2015-06-12 16:31:33 +02:00
|
|
|
r = sd_netlink_message_append_u32(req, RTA_OIF, link->ifindex);
|
2014-11-28 18:50:43 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not append RTA_OIF attribute: %m");
|
2013-10-17 03:18:36 +02:00
|
|
|
|
2015-06-12 16:31:33 +02:00
|
|
|
r = sd_netlink_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
|
2014-11-28 18:50:43 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not send rtnetlink message: %m");
|
2013-10-17 03:18:36 +02:00
|
|
|
|
2014-07-03 09:43:31 +02:00
|
|
|
link_ref(link);
|
|
|
|
|
2015-10-25 14:46:21 +01:00
|
|
|
r = route_add(link, route->family, &route->dst, route->dst_prefixlen, route->tos, route->priority, route->table, NULL);
|
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not add route: %m");
|
|
|
|
|
2013-10-17 03:18:36 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int config_parse_gateway(const char *unit,
|
|
|
|
const char *filename,
|
|
|
|
unsigned line,
|
|
|
|
const char *section,
|
2013-11-19 16:17:55 +01:00
|
|
|
unsigned section_line,
|
2013-10-17 03:18:36 +02:00
|
|
|
const char *lvalue,
|
|
|
|
int ltype,
|
|
|
|
const char *rvalue,
|
|
|
|
void *data,
|
|
|
|
void *userdata) {
|
2014-08-11 22:44:51 +02:00
|
|
|
|
2013-11-19 16:54:42 +01:00
|
|
|
Network *network = userdata;
|
2013-10-17 03:18:36 +02:00
|
|
|
_cleanup_route_free_ Route *n = NULL;
|
2014-08-11 22:44:51 +02:00
|
|
|
union in_addr_union buffer;
|
|
|
|
int r, f;
|
2013-10-17 03:18:36 +02:00
|
|
|
|
|
|
|
assert(filename);
|
2013-11-19 16:54:42 +01:00
|
|
|
assert(section);
|
2013-10-17 03:18:36 +02:00
|
|
|
assert(lvalue);
|
|
|
|
assert(rvalue);
|
|
|
|
assert(data);
|
|
|
|
|
2013-11-28 17:17:04 +01:00
|
|
|
if (streq(section, "Network")) {
|
|
|
|
/* we are not in an Route section, so treat
|
|
|
|
* this as the special '0' section */
|
|
|
|
section_line = 0;
|
|
|
|
}
|
|
|
|
|
2014-01-01 15:16:10 +01:00
|
|
|
r = route_new_static(network, section_line, &n);
|
2013-10-17 03:18:36 +02:00
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
2014-08-11 22:44:51 +02:00
|
|
|
r = in_addr_from_string_auto(rvalue, &f, &buffer);
|
2013-10-17 03:18:36 +02:00
|
|
|
if (r < 0) {
|
2015-09-30 18:22:42 +02:00
|
|
|
log_syntax(unit, LOG_ERR, filename, line, r, "Route is invalid, ignoring assignment: %s", rvalue);
|
2013-10-17 03:18:36 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-08-11 22:44:51 +02:00
|
|
|
n->family = f;
|
2015-10-25 15:09:40 +01:00
|
|
|
n->gw = buffer;
|
2013-10-17 03:18:36 +02:00
|
|
|
n = NULL;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2013-11-19 16:54:42 +01:00
|
|
|
|
2015-09-23 17:26:36 +02:00
|
|
|
int config_parse_preferred_src(const char *unit,
|
|
|
|
const char *filename,
|
|
|
|
unsigned line,
|
|
|
|
const char *section,
|
|
|
|
unsigned section_line,
|
|
|
|
const char *lvalue,
|
|
|
|
int ltype,
|
|
|
|
const char *rvalue,
|
|
|
|
void *data,
|
|
|
|
void *userdata) {
|
|
|
|
|
|
|
|
Network *network = userdata;
|
|
|
|
_cleanup_route_free_ Route *n = NULL;
|
|
|
|
union in_addr_union buffer;
|
|
|
|
int r, f;
|
|
|
|
|
|
|
|
assert(filename);
|
|
|
|
assert(section);
|
|
|
|
assert(lvalue);
|
|
|
|
assert(rvalue);
|
|
|
|
assert(data);
|
|
|
|
|
|
|
|
r = route_new_static(network, section_line, &n);
|
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
|
|
|
r = in_addr_from_string_auto(rvalue, &f, &buffer);
|
|
|
|
if (r < 0) {
|
|
|
|
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
|
|
|
|
"Preferred source is invalid, ignoring assignment: %s", rvalue);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
n->family = f;
|
2015-10-25 15:09:40 +01:00
|
|
|
n->prefsrc = buffer;
|
2015-09-23 17:26:36 +02:00
|
|
|
n = NULL;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-11-19 16:54:42 +01:00
|
|
|
int config_parse_destination(const char *unit,
|
|
|
|
const char *filename,
|
|
|
|
unsigned line,
|
|
|
|
const char *section,
|
|
|
|
unsigned section_line,
|
|
|
|
const char *lvalue,
|
|
|
|
int ltype,
|
|
|
|
const char *rvalue,
|
|
|
|
void *data,
|
|
|
|
void *userdata) {
|
2014-08-11 22:44:51 +02:00
|
|
|
|
2013-11-19 16:54:42 +01:00
|
|
|
Network *network = userdata;
|
|
|
|
_cleanup_route_free_ Route *n = NULL;
|
2014-08-11 22:44:51 +02:00
|
|
|
const char *address, *e;
|
|
|
|
union in_addr_union buffer;
|
2014-12-04 15:52:21 +01:00
|
|
|
unsigned char prefixlen;
|
2014-08-11 22:44:51 +02:00
|
|
|
int r, f;
|
2013-11-19 16:54:42 +01:00
|
|
|
|
|
|
|
assert(filename);
|
|
|
|
assert(section);
|
|
|
|
assert(lvalue);
|
|
|
|
assert(rvalue);
|
|
|
|
assert(data);
|
|
|
|
|
2014-01-01 15:16:10 +01:00
|
|
|
r = route_new_static(network, section_line, &n);
|
2013-11-19 16:54:42 +01:00
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
2014-12-04 15:52:21 +01:00
|
|
|
/* Destination|Source=address/prefixlen */
|
2013-11-19 16:54:42 +01:00
|
|
|
|
2013-12-07 23:03:19 +01:00
|
|
|
/* address */
|
2013-11-19 16:54:42 +01:00
|
|
|
e = strchr(rvalue, '/');
|
2014-08-11 22:44:51 +02:00
|
|
|
if (e)
|
|
|
|
address = strndupa(rvalue, e - rvalue);
|
|
|
|
else
|
|
|
|
address = rvalue;
|
2013-11-19 16:54:42 +01:00
|
|
|
|
2014-08-11 22:44:51 +02:00
|
|
|
r = in_addr_from_string_auto(address, &f, &buffer);
|
2013-11-19 16:54:42 +01:00
|
|
|
if (r < 0) {
|
2015-09-30 18:22:42 +02:00
|
|
|
log_syntax(unit, LOG_ERR, filename, line, r, "Destination is invalid, ignoring assignment: %s", address);
|
2013-11-19 16:54:42 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-12-08 13:58:48 +01:00
|
|
|
if (f != AF_INET && f != AF_INET6) {
|
2015-09-30 18:22:42 +02:00
|
|
|
log_syntax(unit, LOG_ERR, filename, line, 0, "Unknown address family, ignoring assignment: %s", address);
|
2014-12-08 13:58:48 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-12-07 23:03:19 +01:00
|
|
|
/* prefixlen */
|
|
|
|
if (e) {
|
2014-12-04 15:52:21 +01:00
|
|
|
r = safe_atou8(e + 1, &prefixlen);
|
2013-12-07 23:03:19 +01:00
|
|
|
if (r < 0) {
|
2015-09-30 18:22:42 +02:00
|
|
|
log_syntax(unit, LOG_ERR, filename, line, r, "Route destination prefix length is invalid, ignoring assignment: %s", e + 1);
|
2013-12-07 23:03:19 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
} else {
|
2014-12-08 13:58:48 +01:00
|
|
|
switch (f) {
|
2013-12-07 23:03:19 +01:00
|
|
|
case AF_INET:
|
2014-12-04 15:52:21 +01:00
|
|
|
prefixlen = 32;
|
2013-12-07 23:03:19 +01:00
|
|
|
break;
|
|
|
|
case AF_INET6:
|
2014-12-04 15:52:21 +01:00
|
|
|
prefixlen = 128;
|
2013-12-07 23:03:19 +01:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-08-11 22:44:51 +02:00
|
|
|
n->family = f;
|
2014-12-04 15:52:21 +01:00
|
|
|
if (streq(lvalue, "Destination")) {
|
2015-10-25 15:09:40 +01:00
|
|
|
n->dst = buffer;
|
2014-12-04 15:52:21 +01:00
|
|
|
n->dst_prefixlen = prefixlen;
|
|
|
|
} else if (streq(lvalue, "Source")) {
|
2015-10-25 15:09:40 +01:00
|
|
|
n->src = buffer;
|
2014-12-04 15:52:21 +01:00
|
|
|
n->src_prefixlen = prefixlen;
|
|
|
|
} else
|
|
|
|
assert_not_reached(lvalue);
|
|
|
|
|
2013-11-19 16:54:42 +01:00
|
|
|
n = NULL;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2014-07-10 19:39:58 +02:00
|
|
|
|
|
|
|
int config_parse_route_priority(const char *unit,
|
|
|
|
const char *filename,
|
|
|
|
unsigned line,
|
|
|
|
const char *section,
|
|
|
|
unsigned section_line,
|
|
|
|
const char *lvalue,
|
|
|
|
int ltype,
|
|
|
|
const char *rvalue,
|
|
|
|
void *data,
|
|
|
|
void *userdata) {
|
|
|
|
Network *network = userdata;
|
|
|
|
_cleanup_route_free_ Route *n = NULL;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(filename);
|
|
|
|
assert(section);
|
|
|
|
assert(lvalue);
|
|
|
|
assert(rvalue);
|
|
|
|
assert(data);
|
|
|
|
|
|
|
|
r = route_new_static(network, section_line, &n);
|
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
2015-10-26 17:04:57 +01:00
|
|
|
r = config_parse_uint32(unit, filename, line, section,
|
|
|
|
section_line, lvalue, ltype,
|
|
|
|
rvalue, &n->priority, userdata);
|
2014-07-10 19:39:58 +02:00
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
|
|
|
n = NULL;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2015-02-09 16:22:34 +01:00
|
|
|
|
|
|
|
int config_parse_route_scope(const char *unit,
|
|
|
|
const char *filename,
|
|
|
|
unsigned line,
|
|
|
|
const char *section,
|
|
|
|
unsigned section_line,
|
|
|
|
const char *lvalue,
|
|
|
|
int ltype,
|
|
|
|
const char *rvalue,
|
|
|
|
void *data,
|
|
|
|
void *userdata) {
|
|
|
|
Network *network = userdata;
|
|
|
|
_cleanup_route_free_ Route *n = NULL;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(filename);
|
|
|
|
assert(section);
|
|
|
|
assert(lvalue);
|
|
|
|
assert(rvalue);
|
|
|
|
assert(data);
|
|
|
|
|
|
|
|
r = route_new_static(network, section_line, &n);
|
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
|
|
|
if (streq(rvalue, "host"))
|
|
|
|
n->scope = RT_SCOPE_HOST;
|
|
|
|
else if (streq(rvalue, "link"))
|
|
|
|
n->scope = RT_SCOPE_LINK;
|
|
|
|
else if (streq(rvalue, "global"))
|
|
|
|
n->scope = RT_SCOPE_UNIVERSE;
|
|
|
|
else {
|
2015-09-30 18:22:42 +02:00
|
|
|
log_syntax(unit, LOG_ERR, filename, line, 0, "Unknown route scope: %s", rvalue);
|
2015-02-09 16:22:34 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
n = NULL;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|