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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#include <net/if.h>
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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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2015-06-15 13:50:43 +02:00
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#include "firewall-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-address.h"
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2015-10-24 22:58:24 +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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2015-09-22 17:54:27 +02:00
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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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2015-09-22 17:54:27 +02:00
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#include "utf8.h"
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#include "util.h"
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2013-10-17 03:18:36 +02:00
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2015-09-21 15:53:40 +02:00
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int address_new(Address **ret) {
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_cleanup_address_free_ Address *address = NULL;
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address = new0(Address, 1);
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if (!address)
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return -ENOMEM;
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2014-04-02 21:31:12 +02:00
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address->family = AF_UNSPEC;
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address->scope = RT_SCOPE_UNIVERSE;
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address->cinfo.ifa_prefered = CACHE_INFO_INFINITY_LIFE_TIME;
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address->cinfo.ifa_valid = CACHE_INFO_INFINITY_LIFE_TIME;
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2015-09-21 15:53:40 +02:00
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*ret = address;
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address = NULL;
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return 0;
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2014-04-02 21:31:12 +02:00
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}
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2014-01-01 15:16:10 +01:00
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int address_new_static(Network *network, unsigned section, Address **ret) {
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2013-10-17 03:18:36 +02:00
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_cleanup_address_free_ Address *address = 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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address = hashmap_get(network->addresses_by_section, UINT_TO_PTR(section));
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2013-11-19 16:54:42 +01:00
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if (address) {
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*ret = address;
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address = NULL;
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return 0;
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}
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}
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2015-09-21 15:53:40 +02:00
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r = address_new(&address);
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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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2013-10-17 03:18:36 +02:00
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address->network = network;
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2015-01-09 19:34:37 +01:00
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LIST_APPEND(addresses, network->static_addresses, address);
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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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address->section = section;
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2014-07-28 12:21:51 +02:00
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hashmap_put(network->addresses_by_section,
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UINT_TO_PTR(address->section), address);
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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 = address;
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address = NULL;
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return 0;
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}
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void address_free(Address *address) {
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if (!address)
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return;
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2014-01-01 15:16:10 +01:00
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if (address->network) {
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2014-05-15 20:10:33 +02:00
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LIST_REMOVE(addresses, address->network->static_addresses, address);
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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 (address->section)
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hashmap_remove(address->network->addresses_by_section,
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2014-07-28 12:21:51 +02:00
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UINT_TO_PTR(address->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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2015-09-30 14:01:44 +02:00
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if (address->link) {
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2015-09-23 01:53:29 +02:00
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set_remove(address->link->addresses, address);
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2015-09-30 14:01:44 +02:00
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set_remove(address->link->addresses_foreign, address);
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}
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2015-09-23 01:53:29 +02:00
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2013-10-17 03:18:36 +02:00
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free(address);
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}
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2015-09-22 17:54:27 +02:00
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static void address_hash_func(const void *b, struct siphash *state) {
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const Address *a = b;
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assert(a);
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siphash24_compress(&a->family, sizeof(a->family), state);
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switch (a->family) {
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case AF_INET:
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siphash24_compress(&a->prefixlen, sizeof(a->prefixlen), state);
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/* peer prefix */
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if (a->prefixlen != 0) {
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uint32_t prefix;
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if (a->in_addr_peer.in.s_addr != 0)
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prefix = be32toh(a->in_addr_peer.in.s_addr) >> (32 - a->prefixlen);
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else
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prefix = be32toh(a->in_addr.in.s_addr) >> (32 - a->prefixlen);
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siphash24_compress(&prefix, sizeof(prefix), state);
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}
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/* fallthrough */
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case AF_INET6:
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/* local address */
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siphash24_compress(&a->in_addr, FAMILY_ADDRESS_SIZE(a->family), 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 address_compare_func(const void *c1, const void *c2) {
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const Address *a1 = c1, *a2 = c2;
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if (a1->family < a2->family)
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return -1;
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if (a1->family > a2->family)
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return 1;
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switch (a1->family) {
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/* use the same notion of equality as the kernel does */
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case AF_INET:
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if (a1->prefixlen < a2->prefixlen)
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return -1;
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if (a1->prefixlen > a2->prefixlen)
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return 1;
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/* compare the peer prefixes */
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if (a1->prefixlen != 0) {
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/* make sure we don't try to shift by 32.
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* See ISO/IEC 9899:TC3 § 6.5.7.3. */
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uint32_t b1, b2;
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if (a1->in_addr_peer.in.s_addr != 0)
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b1 = be32toh(a1->in_addr_peer.in.s_addr) >> (32 - a1->prefixlen);
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else
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b1 = be32toh(a1->in_addr.in.s_addr) >> (32 - a1->prefixlen);
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if (a2->in_addr_peer.in.s_addr != 0)
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b2 = be32toh(a2->in_addr_peer.in.s_addr) >> (32 - a1->prefixlen);
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else
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b2 = be32toh(a2->in_addr.in.s_addr) >> (32 - a1->prefixlen);
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if (b1 < b2)
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return -1;
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if (b1 > b2)
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return 1;
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}
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/* fall-through */
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case AF_INET6:
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return memcmp(&a1->in_addr, &a2->in_addr, FAMILY_ADDRESS_SIZE(a1->family));
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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 address_hash_ops = {
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.hash = address_hash_func,
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.compare = address_compare_func
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};
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bool address_equal(Address *a1, Address *a2) {
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if (a1 == a2)
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return true;
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if (!a1 || !a2)
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return false;
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return address_compare_func(a1, a2) == 0;
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}
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2015-09-24 15:25:20 +02:00
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static int address_establish(Address *address, Link *link) {
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bool masq;
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int r;
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assert(address);
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assert(link);
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masq = link->network &&
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2015-09-30 14:07:12 +02:00
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link->network->ip_masquerade &&
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address->family == AF_INET &&
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address->scope < RT_SCOPE_LINK;
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2015-09-24 15:25:20 +02:00
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/* Add firewall entry if this is requested */
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if (address->ip_masquerade_done != masq) {
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union in_addr_union masked = address->in_addr;
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in_addr_mask(address->family, &masked, address->prefixlen);
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r = fw_add_masquerade(masq, AF_INET, 0, &masked, address->prefixlen, NULL, NULL, 0);
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if (r < 0)
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log_link_warning_errno(link, r, "Could not enable IP masquerading: %m");
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address->ip_masquerade_done = masq;
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}
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return 0;
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}
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2015-09-30 14:01:44 +02:00
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static int address_add_internal(Link *link, Set **addresses,
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int family,
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const union in_addr_union *in_addr,
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unsigned char prefixlen,
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Address **ret) {
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2015-09-24 01:22:05 +02:00
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_cleanup_address_free_ Address *address = NULL;
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2015-09-23 01:53:29 +02:00
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int r;
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assert(link);
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2015-09-30 14:01:44 +02:00
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assert(addresses);
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2015-09-24 01:22:05 +02:00
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assert(in_addr);
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r = address_new(&address);
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if (r < 0)
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return r;
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address->family = family;
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address->in_addr = *in_addr;
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address->prefixlen = prefixlen;
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2015-11-10 13:52:34 +01:00
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/* Consider address tentative until we get the real flags from the kernel */
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address->flags = IFA_F_TENTATIVE;
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2015-09-23 01:53:29 +02:00
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2015-09-30 14:01:44 +02:00
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r = set_ensure_allocated(addresses, &address_hash_ops);
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2015-09-23 01:53:29 +02:00
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if (r < 0)
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return r;
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2015-09-30 14:01:44 +02:00
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r = set_put(*addresses, address);
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2015-09-23 01:53:29 +02:00
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if (r < 0)
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return r;
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address->link = link;
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2015-09-30 14:01:44 +02:00
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if (ret)
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*ret = address;
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2015-09-24 01:22:05 +02:00
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address = NULL;
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2015-09-23 01:53:29 +02:00
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return 0;
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}
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2015-09-30 14:01:44 +02:00
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int address_add_foreign(Link *link, int family, const union in_addr_union *in_addr, unsigned char prefixlen, Address **ret) {
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return address_add_internal(link, &link->addresses_foreign, family, in_addr, prefixlen, ret);
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}
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2015-10-01 21:14:06 +02:00
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int address_add(Link *link, int family, const union in_addr_union *in_addr, unsigned char prefixlen, Address **ret) {
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2015-10-26 11:40:02 +01:00
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Address *address;
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2015-09-30 15:32:16 +02:00
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int r;
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2015-10-26 11:40:02 +01:00
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r = address_get(link, family, in_addr, prefixlen, &address);
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if (r == -ENOENT) {
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/* Address does not exist, create a new one */
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r = address_add_internal(link, &link->addresses, family, in_addr, prefixlen, &address);
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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 address */
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r = set_ensure_allocated(&link->addresses, &address_hash_ops);
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if (r < 0)
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return r;
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r = set_put(link->addresses, address);
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if (r < 0)
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return r;
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set_remove(link->addresses_foreign, address);
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} else if (r == 1) {
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/* Already exists, do nothing */
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;
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} else
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2015-09-30 15:32:16 +02:00
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return r;
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2015-10-26 11:40:02 +01:00
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if (ret)
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*ret = address;
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2015-09-30 15:32:16 +02:00
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return 0;
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2015-09-30 14:01:44 +02:00
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}
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2015-09-30 14:07:12 +02:00
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static int address_release(Address *address) {
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2015-01-13 13:47:08 +01:00
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int r;
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assert(address);
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2015-09-30 14:07:12 +02:00
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assert(address->link);
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2015-01-13 13:47:08 +01:00
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2015-09-24 15:25:20 +02:00
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/* Remove masquerading firewall entry if it was added */
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if (address->ip_masquerade_done) {
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2015-01-13 13:47:08 +01:00
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union in_addr_union masked = address->in_addr;
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in_addr_mask(address->family, &masked, address->prefixlen);
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2015-09-24 15:25:20 +02:00
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r = fw_add_masquerade(false, AF_INET, 0, &masked, address->prefixlen, NULL, NULL, 0);
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2015-01-13 13:47:08 +01:00
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if (r < 0)
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2015-09-30 14:07:12 +02:00
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log_link_warning_errno(address->link, r, "Failed to disable IP masquerading: %m");
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2015-01-13 13:47:08 +01:00
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2015-09-24 15:25:20 +02:00
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address->ip_masquerade_done = false;
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2015-01-13 13:47:08 +01:00
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}
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return 0;
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}
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2015-09-28 17:16:12 +02:00
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|
|
int address_update(Address *address, unsigned char flags, unsigned char scope, struct ifa_cacheinfo *cinfo) {
|
|
|
|
bool ready;
|
|
|
|
|
|
|
|
assert(address);
|
|
|
|
assert(cinfo);
|
|
|
|
|
|
|
|
ready = address_is_ready(address);
|
|
|
|
|
|
|
|
address->flags = flags;
|
|
|
|
address->scope = scope;
|
|
|
|
address->cinfo = *cinfo;
|
|
|
|
|
2015-10-27 00:06:10 +01:00
|
|
|
if (address->link) {
|
|
|
|
link_update_operstate(address->link);
|
|
|
|
|
|
|
|
if (!ready && address_is_ready(address))
|
|
|
|
link_check_ready(address->link);
|
|
|
|
}
|
2015-09-28 17:16:12 +02:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2015-09-24 15:25:20 +02:00
|
|
|
int address_drop(Address *address) {
|
2015-09-28 13:38:43 +02:00
|
|
|
Link *link;
|
|
|
|
bool ready;
|
|
|
|
|
2015-01-13 13:47:08 +01:00
|
|
|
assert(address);
|
2015-09-24 15:25:20 +02:00
|
|
|
|
2015-09-28 13:38:43 +02:00
|
|
|
ready = address_is_ready(address);
|
|
|
|
link = address->link;
|
|
|
|
|
2015-09-30 14:07:12 +02:00
|
|
|
address_release(address);
|
2015-09-24 15:25:20 +02:00
|
|
|
address_free(address);
|
|
|
|
|
2015-09-30 18:17:43 +02:00
|
|
|
link_update_operstate(link);
|
|
|
|
|
2015-09-28 13:38:43 +02:00
|
|
|
if (link && !ready)
|
|
|
|
link_check_ready(link);
|
|
|
|
|
2015-09-24 15:25:20 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int address_get(Link *link, int family, const union in_addr_union *in_addr, unsigned char prefixlen, Address **ret) {
|
|
|
|
Address address = {}, *existing;
|
|
|
|
|
2015-01-13 13:47:08 +01:00
|
|
|
assert(link);
|
2015-09-24 15:25:20 +02:00
|
|
|
assert(in_addr);
|
|
|
|
assert(ret);
|
2015-01-13 13:47:08 +01:00
|
|
|
|
2015-09-24 15:25:20 +02:00
|
|
|
address.family = family;
|
|
|
|
address.in_addr = *in_addr;
|
|
|
|
address.prefixlen = prefixlen;
|
2015-01-13 13:47:08 +01:00
|
|
|
|
2015-09-24 15:25:20 +02:00
|
|
|
existing = set_get(link->addresses, &address);
|
2015-10-26 11:40:02 +01:00
|
|
|
if (existing) {
|
|
|
|
*ret = existing;
|
|
|
|
|
|
|
|
return 1;
|
|
|
|
} else {
|
2015-09-30 14:01:44 +02:00
|
|
|
existing = set_get(link->addresses_foreign, &address);
|
|
|
|
if (!existing)
|
|
|
|
return -ENOENT;
|
|
|
|
}
|
2015-01-13 13:47:08 +01:00
|
|
|
|
2015-09-24 15:25:20 +02:00
|
|
|
*ret = existing;
|
2015-01-13 13:47:08 +01:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2015-09-24 15:25:20 +02:00
|
|
|
int address_remove(Address *address, 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;
|
2013-12-31 17:31:50 +01:00
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(address);
|
|
|
|
assert(address->family == AF_INET || address->family == AF_INET6);
|
|
|
|
assert(link);
|
|
|
|
assert(link->ifindex > 0);
|
|
|
|
assert(link->manager);
|
|
|
|
assert(link->manager->rtnl);
|
|
|
|
|
2014-02-19 23:54:58 +01:00
|
|
|
r = sd_rtnl_message_new_addr(link->manager->rtnl, &req, RTM_DELADDR,
|
|
|
|
link->ifindex, address->family);
|
2014-11-28 17:34:26 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not allocate RTM_DELADDR message: %m");
|
2013-12-31 17:31:50 +01:00
|
|
|
|
2014-01-21 15:55:57 +01:00
|
|
|
r = sd_rtnl_message_addr_set_prefixlen(req, address->prefixlen);
|
2014-11-28 17:34:26 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not set prefixlen: %m");
|
2014-01-21 15:55:57 +01:00
|
|
|
|
2013-12-31 17:31:50 +01:00
|
|
|
if (address->family == AF_INET)
|
2015-06-12 16:31:33 +02:00
|
|
|
r = sd_netlink_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in);
|
2013-12-31 17:31:50 +01:00
|
|
|
else if (address->family == AF_INET6)
|
2015-06-12 16:31:33 +02:00
|
|
|
r = sd_netlink_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6);
|
2014-11-28 17:34:26 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not append IFA_LOCAL attribute: %m");
|
2013-12-31 17:31:50 +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 17:34:26 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not send rtnetlink message: %m");
|
2013-12-31 17:31:50 +01:00
|
|
|
|
2014-07-03 09:43:31 +02:00
|
|
|
link_ref(link);
|
|
|
|
|
2013-12-31 17:31:50 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-06-18 18:22:14 +02:00
|
|
|
static int address_acquire(Link *link, Address *original, Address **ret) {
|
|
|
|
union in_addr_union in_addr = {};
|
|
|
|
struct in_addr broadcast = {};
|
2014-06-30 07:05:48 +02:00
|
|
|
_cleanup_address_free_ Address *na = NULL;
|
2014-06-18 18:22:14 +02:00
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(link);
|
|
|
|
assert(original);
|
|
|
|
assert(ret);
|
|
|
|
|
|
|
|
/* Something useful was configured? just use it */
|
2014-07-30 00:48:59 +02:00
|
|
|
if (in_addr_is_null(original->family, &original->in_addr) <= 0)
|
2014-06-18 18:22:14 +02:00
|
|
|
return 0;
|
|
|
|
|
|
|
|
/* The address is configured to be 0.0.0.0 or [::] by the user?
|
|
|
|
* Then let's acquire something more useful from the pool. */
|
|
|
|
r = manager_address_pool_acquire(link->manager, original->family, original->prefixlen, &in_addr);
|
2015-04-21 17:40:18 +02:00
|
|
|
if (r < 0)
|
|
|
|
return log_link_error_errno(link, r, "Failed to acquire address from pool: %m");
|
2014-06-18 18:22:14 +02:00
|
|
|
if (r == 0) {
|
2014-11-27 20:20:23 +01:00
|
|
|
log_link_error(link, "Couldn't find free address for interface, all taken.");
|
2014-06-18 18:22:14 +02:00
|
|
|
return -EBUSY;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (original->family == AF_INET) {
|
2014-12-10 20:00:04 +01:00
|
|
|
/* Pick first address in range for ourselves ... */
|
2014-06-18 18:22:14 +02:00
|
|
|
in_addr.in.s_addr = in_addr.in.s_addr | htobe32(1);
|
|
|
|
|
|
|
|
/* .. and use last as broadcast address */
|
|
|
|
broadcast.s_addr = in_addr.in.s_addr | htobe32(0xFFFFFFFFUL >> original->prefixlen);
|
|
|
|
} else if (original->family == AF_INET6)
|
|
|
|
in_addr.in6.s6_addr[15] |= 1;
|
|
|
|
|
2015-09-21 15:53:40 +02:00
|
|
|
r = address_new(&na);
|
2014-06-18 18:22:14 +02:00
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
|
|
|
na->family = original->family;
|
|
|
|
na->prefixlen = original->prefixlen;
|
|
|
|
na->scope = original->scope;
|
|
|
|
na->cinfo = original->cinfo;
|
|
|
|
|
|
|
|
if (original->label) {
|
|
|
|
na->label = strdup(original->label);
|
2014-06-30 07:05:48 +02:00
|
|
|
if (!na->label)
|
2014-06-18 18:22:14 +02:00
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
|
|
|
|
na->broadcast = broadcast;
|
|
|
|
na->in_addr = in_addr;
|
|
|
|
|
|
|
|
LIST_PREPEND(addresses, link->pool_addresses, na);
|
|
|
|
|
|
|
|
*ret = na;
|
2014-06-30 07:05:48 +02:00
|
|
|
na = NULL;
|
|
|
|
|
2014-06-18 18:22:14 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2015-10-01 17:31:14 +02:00
|
|
|
int address_configure(Address *address, Link *link, sd_netlink_message_handler_t callback, bool update) {
|
2015-06-12 16:31:33 +02:00
|
|
|
_cleanup_netlink_message_unref_ sd_netlink_message *req = NULL;
|
2013-10-17 03:18:36 +02:00
|
|
|
int r;
|
|
|
|
|
2013-11-24 23:36:58 +01:00
|
|
|
assert(address);
|
|
|
|
assert(address->family == AF_INET || address->family == AF_INET6);
|
|
|
|
assert(link);
|
|
|
|
assert(link->ifindex > 0);
|
2013-11-14 16:22:51 +01:00
|
|
|
assert(link->manager);
|
2013-11-24 23:36:58 +01:00
|
|
|
assert(link->manager->rtnl);
|
2013-11-14 16:22:51 +01:00
|
|
|
|
2014-06-18 18:22:14 +02:00
|
|
|
r = address_acquire(link, address, &address);
|
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
2015-10-01 17:31:14 +02:00
|
|
|
if (update)
|
|
|
|
r = sd_rtnl_message_new_addr_update(link->manager->rtnl, &req,
|
|
|
|
link->ifindex, address->family);
|
|
|
|
else
|
|
|
|
r = sd_rtnl_message_new_addr(link->manager->rtnl, &req, RTM_NEWADDR,
|
|
|
|
link->ifindex, address->family);
|
2014-11-28 17:34:26 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not allocate RTM_NEWADDR message: %m");
|
2013-10-17 03:18:36 +02:00
|
|
|
|
2014-01-21 15:55:57 +01:00
|
|
|
r = sd_rtnl_message_addr_set_prefixlen(req, address->prefixlen);
|
2014-11-28 17:34:26 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not set prefixlen: %m");
|
2014-01-21 15:55:57 +01:00
|
|
|
|
2015-02-02 12:13:17 +01:00
|
|
|
address->flags |= IFA_F_PERMANENT;
|
|
|
|
|
|
|
|
r = sd_rtnl_message_addr_set_flags(req, (address->flags & 0xff));
|
2014-11-28 17:34:26 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not set flags: %m");
|
2014-01-21 15:55:57 +01:00
|
|
|
|
2015-02-02 12:13:17 +01:00
|
|
|
if (address->flags & ~0xff) {
|
2015-06-12 16:31:33 +02:00
|
|
|
r = sd_netlink_message_append_u32(req, IFA_FLAGS, address->flags);
|
2015-02-02 12:13:17 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not set extended flags: %m");
|
|
|
|
}
|
|
|
|
|
2014-02-28 16:10:20 +01:00
|
|
|
r = sd_rtnl_message_addr_set_scope(req, address->scope);
|
2014-11-28 17:34:26 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not set scope: %m");
|
2014-01-21 15:55:57 +01:00
|
|
|
|
2013-12-15 14:00:20 +01:00
|
|
|
if (address->family == AF_INET)
|
2015-06-12 16:31:33 +02:00
|
|
|
r = sd_netlink_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in);
|
2013-12-15 14:00:20 +01:00
|
|
|
else if (address->family == AF_INET6)
|
2015-06-12 16:31:33 +02:00
|
|
|
r = sd_netlink_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6);
|
2014-11-28 17:34:26 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not append IFA_LOCAL attribute: %m");
|
2013-10-17 03:18:36 +02:00
|
|
|
|
2014-07-30 00:48:59 +02:00
|
|
|
if (!in_addr_is_null(address->family, &address->in_addr_peer)) {
|
2014-07-07 11:28:56 +02:00
|
|
|
if (address->family == AF_INET)
|
2015-06-12 16:31:33 +02:00
|
|
|
r = sd_netlink_message_append_in_addr(req, IFA_ADDRESS, &address->in_addr_peer.in);
|
2014-07-07 11:28:56 +02:00
|
|
|
else if (address->family == AF_INET6)
|
2015-06-12 16:31:33 +02:00
|
|
|
r = sd_netlink_message_append_in6_addr(req, IFA_ADDRESS, &address->in_addr_peer.in6);
|
2014-11-28 17:34:26 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not append IFA_ADDRESS attribute: %m");
|
2014-07-07 11:28:56 +02:00
|
|
|
} else {
|
|
|
|
if (address->family == AF_INET) {
|
2015-06-12 16:31:33 +02:00
|
|
|
r = sd_netlink_message_append_in_addr(req, IFA_BROADCAST, &address->broadcast);
|
2014-11-28 17:34:26 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not append IFA_BROADCAST attribute: %m");
|
2014-07-07 11:28:56 +02:00
|
|
|
}
|
2013-10-17 03:18:36 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
if (address->label) {
|
2015-06-12 16:31:33 +02:00
|
|
|
r = sd_netlink_message_append_string(req, IFA_LABEL, address->label);
|
2014-11-28 17:34:26 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not append IFA_LABEL attribute: %m");
|
2013-10-17 03:18:36 +02:00
|
|
|
}
|
|
|
|
|
2015-06-12 16:31:33 +02:00
|
|
|
r = sd_netlink_message_append_cache_info(req, IFA_CACHEINFO,
|
2014-06-26 15:18:43 +02:00
|
|
|
&address->cinfo);
|
2014-11-28 17:34:26 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Could not append IFA_CACHEINFO attribute: %m");
|
2014-06-26 15:18:43 +02:00
|
|
|
|
2015-09-30 14:07:12 +02:00
|
|
|
r = address_establish(address, link);
|
2014-11-28 17:34:26 +01:00
|
|
|
if (r < 0)
|
2015-09-30 14:07:12 +02:00
|
|
|
return r;
|
|
|
|
|
|
|
|
r = sd_netlink_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
|
|
|
|
if (r < 0) {
|
|
|
|
address_release(address);
|
2014-11-28 17:34:26 +01:00
|
|
|
return log_error_errno(r, "Could not send rtnetlink message: %m");
|
2015-09-30 14:07:12 +02:00
|
|
|
}
|
2013-10-17 03:18:36 +02:00
|
|
|
|
2014-07-03 09:43:31 +02:00
|
|
|
link_ref(link);
|
|
|
|
|
2015-09-30 14:01:44 +02:00
|
|
|
r = address_add(link, address->family, &address->in_addr, address->prefixlen, NULL);
|
|
|
|
if (r < 0) {
|
|
|
|
address_release(address);
|
|
|
|
return log_error_errno(r, "Could not add address: %m");
|
|
|
|
}
|
|
|
|
|
2013-10-17 03:18:36 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-08-11 22:44:51 +02:00
|
|
|
int config_parse_broadcast(
|
|
|
|
const char *unit,
|
2014-01-28 20:01:37 +01:00
|
|
|
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
|
|
|
|
2014-01-28 20:01:37 +01:00
|
|
|
Network *network = userdata;
|
|
|
|
_cleanup_address_free_ Address *n = NULL;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(filename);
|
|
|
|
assert(section);
|
|
|
|
assert(lvalue);
|
|
|
|
assert(rvalue);
|
|
|
|
assert(data);
|
|
|
|
|
|
|
|
r = address_new_static(network, section_line, &n);
|
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
2014-02-18 15:48:30 +01:00
|
|
|
if (n->family == AF_INET6) {
|
2015-09-30 18:22:42 +02:00
|
|
|
log_syntax(unit, LOG_ERR, filename, line, 0, "Broadcast is not valid for IPv6 addresses, ignoring assignment: %s", rvalue);
|
2014-02-18 15:48:30 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-08-11 22:44:51 +02:00
|
|
|
r = in_addr_from_string(AF_INET, rvalue, (union in_addr_union*) &n->broadcast);
|
2014-01-28 20:01:37 +01:00
|
|
|
if (r < 0) {
|
2015-09-30 18:22:42 +02:00
|
|
|
log_syntax(unit, LOG_ERR, filename, line, r, "Broadcast is invalid, ignoring assignment: %s", rvalue);
|
2014-01-28 20:01:37 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-08-11 22:44:51 +02:00
|
|
|
n->family = AF_INET;
|
2014-01-28 20:01:37 +01:00
|
|
|
n = NULL;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-10-17 03:18:36 +02:00
|
|
|
int config_parse_address(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_address_free_ Address *n = NULL;
|
2014-08-11 22:44:51 +02:00
|
|
|
const char *address, *e;
|
|
|
|
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 Address section, so treat
|
|
|
|
* this as the special '0' section */
|
|
|
|
section_line = 0;
|
|
|
|
}
|
|
|
|
|
2014-01-01 15:16:10 +01:00
|
|
|
r = address_new_static(network, section_line, &n);
|
2013-10-17 03:18:36 +02:00
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
|
|
|
/* Address=address/prefixlen */
|
|
|
|
|
|
|
|
/* prefixlen */
|
|
|
|
e = strchr(rvalue, '/');
|
|
|
|
if (e) {
|
|
|
|
unsigned i;
|
2015-09-30 18:22:42 +02:00
|
|
|
|
2013-10-17 03:18:36 +02:00
|
|
|
r = safe_atou(e + 1, &i);
|
|
|
|
if (r < 0) {
|
2015-09-30 18:22:42 +02:00
|
|
|
log_syntax(unit, LOG_ERR, filename, line, r, "Prefix length is invalid, ignoring assignment: %s", e + 1);
|
2013-10-17 03:18:36 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
n->prefixlen = (unsigned char) i;
|
2013-11-17 21:01:20 +01:00
|
|
|
|
2014-08-11 22:44:51 +02:00
|
|
|
address = strndupa(rvalue, e - rvalue);
|
|
|
|
} else
|
|
|
|
address = rvalue;
|
2013-10-17 03:18:36 +02:00
|
|
|
|
2014-08-11 22:44:51 +02:00
|
|
|
r = in_addr_from_string_auto(address, &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, "Address is invalid, ignoring assignment: %s", address);
|
2013-10-17 03:18:36 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-10-27 17:39:18 +01:00
|
|
|
if (!e && f == AF_INET) {
|
|
|
|
r = in_addr_default_prefixlen(&buffer.in, &n->prefixlen);
|
|
|
|
if (r < 0) {
|
2015-09-30 18:22:42 +02:00
|
|
|
log_syntax(unit, LOG_ERR, filename, line, r, "Prefix length not specified, and a default one can not be deduced for '%s', ignoring assignment", address);
|
2014-10-27 17:39:18 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-08-11 22:44:51 +02:00
|
|
|
if (n->family != AF_UNSPEC && f != n->family) {
|
2015-09-30 18:22:42 +02:00
|
|
|
log_syntax(unit, LOG_ERR, filename, line, 0, "Address is incompatible, ignoring assignment: %s", address);
|
2014-08-11 22:44:51 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
n->family = f;
|
|
|
|
|
|
|
|
if (streq(lvalue, "Address"))
|
|
|
|
n->in_addr = buffer;
|
|
|
|
else
|
|
|
|
n->in_addr_peer = buffer;
|
|
|
|
|
|
|
|
if (n->family == AF_INET && n->broadcast.s_addr == 0)
|
|
|
|
n->broadcast.s_addr = n->in_addr.in.s_addr | htonl(0xfffffffflu >> n->prefixlen);
|
2014-01-28 20:01:37 +01:00
|
|
|
|
2013-10-17 03:18:36 +02:00
|
|
|
n = NULL;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2013-11-19 16:54:42 +01:00
|
|
|
|
|
|
|
int config_parse_label(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_address_free_ Address *n = NULL;
|
|
|
|
char *label;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(filename);
|
|
|
|
assert(section);
|
|
|
|
assert(lvalue);
|
|
|
|
assert(rvalue);
|
|
|
|
assert(data);
|
|
|
|
|
2014-01-01 15:16:10 +01:00
|
|
|
r = address_new_static(network, section_line, &n);
|
2013-11-19 16:54:42 +01:00
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
|
|
|
label = strdup(rvalue);
|
|
|
|
if (!label)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
if (!ascii_is_valid(label) || strlen(label) >= IFNAMSIZ) {
|
2015-09-30 18:22:42 +02:00
|
|
|
log_syntax(unit, LOG_ERR, filename, line, 0, "Interface label is not ASCII clean or is too long, ignoring assignment: %s", rvalue);
|
2013-11-19 16:54:42 +01:00
|
|
|
free(label);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
free(n->label);
|
|
|
|
if (*label)
|
|
|
|
n->label = label;
|
|
|
|
else {
|
|
|
|
free(label);
|
|
|
|
n->label = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
n = NULL;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2015-09-28 13:30:10 +02:00
|
|
|
|
|
|
|
bool address_is_ready(const Address *a) {
|
|
|
|
assert(a);
|
|
|
|
|
2015-11-10 13:52:34 +01:00
|
|
|
return !(a->flags & (IFA_F_TENTATIVE | IFA_F_DEPRECATED));
|
2015-09-28 13:30:10 +02:00
|
|
|
}
|