Added a hook to modify proposal numbers
[strongswan.git] / src / conftest / hooks / ignore_message.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 typedef struct private_ignore_message_t private_ignore_message_t;
19
20 /**
21 * Private data of an ignore_message_t object.
22 */
23 struct private_ignore_message_t {
24
25 /**
26 * Implements the hook_t interface.
27 */
28 hook_t hook;
29
30 /**
31 * Drop incoming or outgoing?
32 */
33 bool in;
34
35 /**
36 * Drop requests or responses?
37 */
38 bool req;
39
40 /**
41 * ID of message to drop.
42 */
43 int id;
44 };
45
46 METHOD(listener_t, message, bool,
47 private_ignore_message_t *this, ike_sa_t *ike_sa, message_t *message,
48 bool incoming)
49 {
50 if (incoming == this->in &&
51 message->get_request(message) == this->req &&
52 message->get_message_id(message) == this->id)
53 {
54 DBG1(DBG_CFG, "ignoring message");
55 message->set_exchange_type(message, EXCHANGE_TYPE_UNDEFINED);
56 }
57 return TRUE;
58 }
59
60 METHOD(hook_t, destroy, void,
61 private_ignore_message_t *this)
62 {
63 free(this);
64 }
65
66 /**
67 * Create the ignore_message hook
68 */
69 hook_t *ignore_message_hook_create(char *name)
70 {
71 private_ignore_message_t *this;
72
73 INIT(this,
74 .hook = {
75 .listener = {
76 .message = _message,
77 },
78 .destroy = _destroy,
79 },
80 .in = conftest->test->get_bool(conftest->test,
81 "hooks.%s.inbound", TRUE, name),
82 .req = conftest->test->get_bool(conftest->test,
83 "hooks.%s.request", TRUE, name),
84 .id = conftest->test->get_int(conftest->test,
85 "hooks.%s.id", 0, name),
86 );
87
88 return &this->hook;
89 }