Merge branch 'ikev1'
[strongswan.git] / src / conftest / hooks / set_ike_spi.c
1 /*
2 * Copyright (C) 2010 Martin Willi
3 * Copyright (C) 2010 revosec AG
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 "hook.h"
17
18 #include <encoding/payloads/unknown_payload.h>
19
20 typedef struct private_set_ike_spi_t private_set_ike_spi_t;
21
22 /**
23 * Private data of an set_ike_spi_t object.
24 */
25 struct private_set_ike_spi_t {
26
27 /**
28 * Implements the hook_t interface.
29 */
30 hook_t hook;
31
32 /**
33 * Alter requests or responses?
34 */
35 bool req;
36
37 /**
38 * ID of message to alter.
39 */
40 int id;
41
42 /**
43 * Initiator SPI
44 */
45 u_int64_t spii;
46
47 /**
48 * Responder SPI
49 */
50 u_int64_t spir;
51 };
52
53 METHOD(listener_t, message, bool,
54 private_set_ike_spi_t *this, ike_sa_t *ike_sa, message_t *message,
55 bool incoming, bool plain)
56 {
57 if (!incoming && plain &&
58 message->get_request(message) == this->req &&
59 message->get_message_id(message) == this->id)
60 {
61 ike_sa_id_t *id;
62
63 DBG1(DBG_CFG, "setting IKE SPIs to: 0x%llx/0x%llx",
64 this->spii, this->spir);
65
66 id = message->get_ike_sa_id(message);
67 id->set_initiator_spi(id, this->spii);
68 id->set_responder_spi(id, this->spir);
69 }
70 return TRUE;
71 }
72
73 METHOD(hook_t, destroy, void,
74 private_set_ike_spi_t *this)
75 {
76 free(this);
77 }
78
79 /**
80 * Create the IKE_AUTH fill hook
81 */
82 hook_t *set_ike_spi_hook_create(char *name)
83 {
84 private_set_ike_spi_t *this;
85
86 INIT(this,
87 .hook = {
88 .listener = {
89 .message = _message,
90 },
91 .destroy = _destroy,
92 },
93 .req = conftest->test->get_bool(conftest->test,
94 "hooks.%s.request", TRUE, name),
95 .id = conftest->test->get_int(conftest->test,
96 "hooks.%s.id", 0, name),
97 .spii = strtoull(conftest->test->get_str(conftest->test,
98 "hooks.%s.spii", "0", name), NULL, 16),
99 .spir = strtoull(conftest->test->get_str(conftest->test,
100 "hooks.%s.spir", "0", name), NULL, 16),
101 );
102
103 return &this->hook;
104 }