kernel-interface: Raise mapping event with a proto/SPI/dst tuple
[strongswan.git] / src / libcharon / processing / jobs / update_sa_job.c
1 /*
2 * Copyright (C) 2008 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 <stdlib.h>
17
18 #include "update_sa_job.h"
19
20 #include <sa/ike_sa.h>
21 #include <daemon.h>
22
23
24 typedef struct private_update_sa_job_t private_update_sa_job_t;
25
26 /**
27 * Private data of an update_sa_job_t Object
28 */
29 struct private_update_sa_job_t {
30
31 /**
32 * public update_sa_job_t interface
33 */
34 update_sa_job_t public;
35
36 /**
37 * protocol of the CHILD_SA (ESP/AH)
38 */
39 protocol_id_t protocol;
40
41 /**
42 * SPI of the CHILD_SA
43 */
44 u_int32_t spi;
45
46 /**
47 * Old SA destination address
48 */
49 host_t *dst;
50
51 /**
52 * New SA address and port
53 */
54 host_t *new;
55 };
56
57 METHOD(job_t, destroy, void,
58 private_update_sa_job_t *this)
59 {
60 this->dst->destroy(this->dst);
61 this->new->destroy(this->new);
62 free(this);
63 }
64
65 METHOD(job_t, execute, job_requeue_t,
66 private_update_sa_job_t *this)
67 {
68 ike_sa_t *ike_sa;
69
70 ike_sa = charon->child_sa_manager->checkout(charon->child_sa_manager,
71 this->protocol, this->spi, this->dst, NULL);
72 if (ike_sa == NULL)
73 {
74 DBG1(DBG_JOB, "CHILD_SA %N/0x%08x/%H not found for update",
75 protocol_id_names, this->protocol, htonl(this->spi), this->dst);
76 }
77 else
78 {
79 ike_sa->update_hosts(ike_sa, NULL, this->new, FALSE);
80 charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa);
81 }
82 return JOB_REQUEUE_NONE;
83 }
84
85 METHOD(job_t, get_priority, job_priority_t,
86 private_update_sa_job_t *this)
87 {
88 return JOB_PRIO_MEDIUM;
89 }
90
91 /*
92 * Described in header
93 */
94 update_sa_job_t *update_sa_job_create(protocol_id_t protocol,
95 u_int32_t spi, host_t *dst, host_t *new)
96 {
97 private_update_sa_job_t *this;
98
99 INIT(this,
100 .public = {
101 .job_interface = {
102 .execute = _execute,
103 .get_priority = _get_priority,
104 .destroy = _destroy,
105 },
106 },
107 .protocol = protocol,
108 .spi = spi,
109 .dst = dst->clone(dst),
110 .new = new->clone(new),
111 );
112
113 return &this->public;
114 }