Annotation of embedaddon/strongswan/src/conftest/hooks/set_critical.c, revision 1.1.1.1
1.1 misho 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: }
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