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_address(sd_dhcp6_lease *lease, struct in6_addr *addr,
150 uint32_t *lifetime_preferred,
151 uint32_t *lifetime_valid) {
152 assert_return(lease, -EINVAL);
153 assert_return(addr, -EINVAL);
154 assert_return(lifetime_preferred, -EINVAL);
155 assert_return(lifetime_valid, -EINVAL);
157 if (!lease->addr_iter)
160 memcpy(addr, &lease->addr_iter->iaaddr.address,
161 sizeof(struct in6_addr));
162 *lifetime_preferred =
163 be32toh(lease->addr_iter->iaaddr.lifetime_preferred);
164 *lifetime_valid = be32toh(lease->addr_iter->iaaddr.lifetime_valid);
166 lease->addr_iter = lease->addr_iter->addresses_next;
171 void sd_dhcp6_lease_reset_address_iter(sd_dhcp6_lease *lease) {
173 lease->addr_iter = lease->ia.addresses;
176 sd_dhcp6_lease *sd_dhcp6_lease_ref(sd_dhcp6_lease *lease) {
178 assert_se(REFCNT_INC(lease->n_ref) >= 2);
183 sd_dhcp6_lease *sd_dhcp6_lease_unref(sd_dhcp6_lease *lease) {
184 if (lease && REFCNT_DEC(lease->n_ref) == 0) {
185 free(lease->serverid);
186 dhcp6_lease_free_ia(&lease->ia);
194 int dhcp6_lease_new(sd_dhcp6_lease **ret) {
195 sd_dhcp6_lease *lease;
197 lease = new0(sd_dhcp6_lease, 1);
201 lease->n_ref = REFCNT_INIT;
203 LIST_HEAD_INIT(lease->ia.addresses);