Version bump to 5.9.0
[strongswan.git] / src / conftest / hooks / set_critical.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_critical_t private_set_critical_t;
21
22 /**
23 * Private data of an set_critical_t object.
24 */
25 struct private_set_critical_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 * Payload types, space separated
44 */
45 char *payloads;
46 };
47
48 METHOD(listener_t, message, bool,
49 private_set_critical_t *this, ike_sa_t *ike_sa, message_t *message,
50 bool incoming, bool plain)
51 {
52 if (!incoming && plain &&
53 message->get_request(message) == this->req &&
54 message->get_message_id(message) == this->id)
55 {
56 enumerator_t *msg, *types;
57 payload_t *payload;
58 payload_type_t type;
59 bool *critical;
60 char *name;
61
62 types = enumerator_create_token(this->payloads, " ", "");
63 while (types->enumerate(types, &name))
64 {
65 type = atoi(name);
66 if (!type)
67 {
68 if (!enum_from_name(payload_type_short_names, name, &type))
69 {
70 DBG1(DBG_CFG, "invalid payload name '%s'", name);
71 break;
72 }
73 }
74 msg = message->create_payload_enumerator(message);
75 while (msg->enumerate(msg, &payload))
76 {
77 if (type == payload->get_type(payload))
78 {
79 critical = payload_get_field(payload, FLAG, 0);
80 if (critical)
81 {
82 *critical = TRUE;
83 }
84 }
85 }
86 msg->destroy(msg);
87 }
88 types->destroy(types);
89 }
90 return TRUE;
91 }
92
93 METHOD(hook_t, destroy, void,
94 private_set_critical_t *this)
95 {
96 free(this);
97 }
98
99 /**
100 * Create the IKE_AUTH fill hook
101 */
102 hook_t *set_critical_hook_create(char *name)
103 {
104 private_set_critical_t *this;
105
106 INIT(this,
107 .hook = {
108 .listener = {
109 .message = _message,
110 },
111 .destroy = _destroy,
112 },
113 .req = conftest->test->get_bool(conftest->test,
114 "hooks.%s.request", TRUE, name),
115 .id = conftest->test->get_int(conftest->test,
116 "hooks.%s.id", 0, name),
117 .payloads = conftest->test->get_str(conftest->test,
118 "hooks.%s.payloads", "", name),
119 );
120
121 return &this->hook;
122 }