kernel-interface: Raise mapping event with a proto/SPI/dst tuple
[strongswan.git] / src / libcharon / processing / jobs / rekey_child_sa_job.c
1 /*
2 * Copyright (C) 2006 Martin Willi
3 * Hochschule fuer Technik Rapperswil
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2 of the License, or (at your
8 * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
12 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * for more details.
14 */
15
16 #include "rekey_child_sa_job.h"
17
18 #include <daemon.h>
19
20
21 typedef struct private_rekey_child_sa_job_t private_rekey_child_sa_job_t;
22
23 /**
24 * Private data of an rekey_child_sa_job_t object.
25 */
26 struct private_rekey_child_sa_job_t {
27
28 /**
29 * Public rekey_child_sa_job_t interface.
30 */
31 rekey_child_sa_job_t public;
32
33 /**
34 * protocol of the CHILD_SA (ESP/AH)
35 */
36 protocol_id_t protocol;
37
38 /**
39 * inbound SPI of the CHILD_SA
40 */
41 u_int32_t spi;
42
43 /**
44 * SA destination address
45 */
46 host_t *dst;
47 };
48
49 METHOD(job_t, destroy, void,
50 private_rekey_child_sa_job_t *this)
51 {
52 this->dst->destroy(this->dst);
53 free(this);
54 }
55
56 METHOD(job_t, execute, job_requeue_t,
57 private_rekey_child_sa_job_t *this)
58 {
59 ike_sa_t *ike_sa;
60
61 ike_sa = charon->child_sa_manager->checkout(charon->child_sa_manager,
62 this->protocol, this->spi, this->dst, NULL);
63 if (ike_sa == NULL)
64 {
65 DBG1(DBG_JOB, "CHILD_SA %N/0x%08x/%H not found for rekey",
66 protocol_id_names, this->protocol, htonl(this->spi), this->dst);
67 }
68 else
69 {
70 ike_sa->rekey_child_sa(ike_sa, this->protocol, this->spi);
71 charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa);
72 }
73 return JOB_REQUEUE_NONE;
74 }
75
76 METHOD(job_t, get_priority, job_priority_t,
77 private_rekey_child_sa_job_t *this)
78 {
79 return JOB_PRIO_MEDIUM;
80 }
81
82 /*
83 * Described in header
84 */
85 rekey_child_sa_job_t *rekey_child_sa_job_create(protocol_id_t protocol,
86 u_int32_t spi, host_t *dst)
87 {
88 private_rekey_child_sa_job_t *this;
89
90 INIT(this,
91 .public = {
92 .job_interface = {
93 .execute = _execute,
94 .get_priority = _get_priority,
95 .destroy = _destroy,
96 },
97 },
98 .protocol = protocol,
99 .spi = spi,
100 .dst = dst->clone(dst),
101 );
102
103 return &this->public;
104 }