2 This file is part of systemd.
4 Copyright (C) 2014 Tom Gundersen
5 Copyright (C) 2014 Intel Corporation. All rights reserved.
7 systemd is free software; you can redistribute it and/or modify it
8 under the terms of the GNU Lesser General Public License as published by
9 the Free Software Foundation; either version 2.1 of the License, or
10 (at your option) any later version.
12 systemd is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
17 You should have received a copy of the GNU Lesser General Public License
18 along with systemd; If not, see <http://www.gnu.org/licenses/>.
25 #include "dhcp6-lease-internal.h"
27 int dhcp6_lease_clear_timers(DHCP6IA *ia) {
28 assert_return(ia, -EINVAL);
30 ia->timeout_t1 = sd_event_source_unref(ia->timeout_t1);
31 ia->timeout_t2 = sd_event_source_unref(ia->timeout_t2);
36 int dhcp6_lease_ia_rebind_expire(const DHCP6IA *ia, uint32_t *expire) {
38 uint32_t valid = 0, t;
40 assert_return(ia, -EINVAL);
41 assert_return(expire, -EINVAL);
43 LIST_FOREACH(addresses, addr, ia->addresses) {
44 t = be32toh(addr->iaaddr.lifetime_valid);
49 t = be32toh(ia->lifetime_t2);
58 DHCP6IA *dhcp6_lease_free_ia(DHCP6IA *ia) {
59 DHCP6Address *address;
64 dhcp6_lease_clear_timers(ia);
66 while (ia->addresses) {
67 address = ia->addresses;
69 LIST_REMOVE(addresses, ia->addresses, address);
77 int dhcp6_lease_set_serverid(sd_dhcp6_lease *lease, const uint8_t *id,
79 assert_return(lease, -EINVAL);
80 assert_return(id, -EINVAL);
82 free(lease->serverid);
84 lease->serverid = memdup(id, len);
88 lease->serverid_len = len;
93 int dhcp6_lease_get_serverid(sd_dhcp6_lease *lease, uint8_t **id, size_t *len) {
94 assert_return(lease, -EINVAL);
95 assert_return(id, -EINVAL);
96 assert_return(len, -EINVAL);
98 *id = lease->serverid;
99 *len = lease->serverid_len;
104 int dhcp6_lease_set_preference(sd_dhcp6_lease *lease, uint8_t preference) {
105 assert_return(lease, -EINVAL);
107 lease->preference = preference;
112 int dhcp6_lease_get_preference(sd_dhcp6_lease *lease, uint8_t *preference) {
113 assert_return(preference, -EINVAL);
118 *preference = lease->preference;
123 int dhcp6_lease_set_rapid_commit(sd_dhcp6_lease *lease) {
124 assert_return(lease, -EINVAL);
126 lease->rapid_commit = true;
131 int dhcp6_lease_get_rapid_commit(sd_dhcp6_lease *lease, bool *rapid_commit) {
132 assert_return(lease, -EINVAL);
133 assert_return(rapid_commit, -EINVAL);
135 *rapid_commit = lease->rapid_commit;
140 int dhcp6_lease_get_iaid(sd_dhcp6_lease *lease, be32_t *iaid) {
141 assert_return(lease, -EINVAL);
142 assert_return(iaid, -EINVAL);
144 *iaid = lease->ia.id;
149 int sd_dhcp6_lease_get_next_address(sd_dhcp6_lease *lease,
150 struct in6_addr *addr,
151 uint32_t *lifetime_preferred,
152 uint32_t *lifetime_valid) {
153 assert_return(lease, -EINVAL);
154 assert_return(addr, -EINVAL);
155 assert_return(lifetime_preferred, -EINVAL);
156 assert_return(lifetime_valid, -EINVAL);
158 if (!lease->addr_iter)
161 memcpy(addr, &lease->addr_iter->iaaddr.address,
162 sizeof(struct in6_addr));
163 *lifetime_preferred =
164 be32toh(lease->addr_iter->iaaddr.lifetime_preferred);
165 *lifetime_valid = be32toh(lease->addr_iter->iaaddr.lifetime_valid);
167 lease->addr_iter = lease->addr_iter->addresses_next;
172 int sd_dhcp6_lease_get_first_address(sd_dhcp6_lease *lease,
173 struct in6_addr *addr,
174 uint32_t *lifetime_preferred,
175 uint32_t *lifetime_valid) {
176 assert_return(lease, -EINVAL);
177 assert_return(addr, -EINVAL);
178 assert_return(lifetime_preferred, -EINVAL);
179 assert_return(lifetime_valid, -EINVAL);
181 if (!lease->ia.addresses)
184 lease->addr_iter = lease->ia.addresses;
186 return sd_dhcp6_lease_get_next_address(lease, addr, lifetime_preferred,
190 sd_dhcp6_lease *sd_dhcp6_lease_ref(sd_dhcp6_lease *lease) {
192 assert_se(REFCNT_INC(lease->n_ref) >= 2);
197 sd_dhcp6_lease *sd_dhcp6_lease_unref(sd_dhcp6_lease *lease) {
198 if (lease && REFCNT_DEC(lease->n_ref) == 0) {
199 free(lease->serverid);
200 dhcp6_lease_free_ia(&lease->ia);
208 int dhcp6_lease_new(sd_dhcp6_lease **ret) {
209 sd_dhcp6_lease *lease;
211 lease = new0(sd_dhcp6_lease, 1);
215 lease->n_ref = REFCNT_INIT;
217 LIST_HEAD_INIT(lease->ia.addresses);