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(lease, -EINVAL);
114 assert_return(preference, -EINVAL);
116 *preference = lease->preference;
121 int dhcp6_lease_set_rapid_commit(sd_dhcp6_lease *lease) {
122 assert_return(lease, -EINVAL);
124 lease->rapid_commit = true;
129 int dhcp6_lease_get_rapid_commit(sd_dhcp6_lease *lease, bool *rapid_commit) {
130 assert_return(lease, -EINVAL);
131 assert_return(rapid_commit, -EINVAL);
133 *rapid_commit = lease->rapid_commit;
138 int dhcp6_lease_get_iaid(sd_dhcp6_lease *lease, be32_t *iaid) {
139 assert_return(lease, -EINVAL);
140 assert_return(iaid, -EINVAL);
142 *iaid = lease->ia.id;
147 int sd_dhcp6_lease_get_next_address(sd_dhcp6_lease *lease,
148 struct in6_addr *addr,
149 uint32_t *lifetime_preferred,
150 uint32_t *lifetime_valid) {
151 assert_return(lease, -EINVAL);
152 assert_return(addr, -EINVAL);
153 assert_return(lifetime_preferred, -EINVAL);
154 assert_return(lifetime_valid, -EINVAL);
156 if (!lease->addr_iter)
159 memcpy(addr, &lease->addr_iter->iaaddr.address,
160 sizeof(struct in6_addr));
161 *lifetime_preferred =
162 be32toh(lease->addr_iter->iaaddr.lifetime_preferred);
163 *lifetime_valid = be32toh(lease->addr_iter->iaaddr.lifetime_valid);
165 lease->addr_iter = lease->addr_iter->addresses_next;
170 int sd_dhcp6_lease_get_first_address(sd_dhcp6_lease *lease,
171 struct in6_addr *addr,
172 uint32_t *lifetime_preferred,
173 uint32_t *lifetime_valid) {
174 assert_return(lease, -EINVAL);
175 assert_return(addr, -EINVAL);
176 assert_return(lifetime_preferred, -EINVAL);
177 assert_return(lifetime_valid, -EINVAL);
179 if (!lease->ia.addresses)
182 lease->addr_iter = lease->ia.addresses;
184 return sd_dhcp6_lease_get_next_address(lease, addr, lifetime_preferred,
188 sd_dhcp6_lease *sd_dhcp6_lease_ref(sd_dhcp6_lease *lease) {
190 assert_se(REFCNT_INC(lease->n_ref) >= 2);
195 sd_dhcp6_lease *sd_dhcp6_lease_unref(sd_dhcp6_lease *lease) {
196 if (lease && REFCNT_DEC(lease->n_ref) <= 0) {
197 free(lease->serverid);
198 dhcp6_lease_free_ia(&lease->ia);
206 int dhcp6_lease_new(sd_dhcp6_lease **ret) {
207 sd_dhcp6_lease *lease;
209 lease = new0(sd_dhcp6_lease, 1);
213 lease->n_ref = REFCNT_INIT;
215 LIST_HEAD_INIT(lease->ia.addresses);