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1 | /* |
2 | * Copyright (C) 2010 Martin Willi | |
19ef2aec TB |
3 | * |
4 | * Copyright (C) secunet Security Networks AG | |
c6f2bac1 MW |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2 of the License, or (at your | |
9 | * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
13 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 | * for more details. | |
15 | */ | |
16 | ||
17 | #include "hook.h" | |
18 | ||
19 | #include <encoding/payloads/ke_payload.h> | |
20 | ||
21 | typedef struct private_log_ke_t private_log_ke_t; | |
22 | ||
23 | /** | |
24 | * Private data of an log_ke_t object. | |
25 | */ | |
26 | struct private_log_ke_t { | |
27 | ||
28 | /** | |
29 | * Implements the hook_t interface. | |
30 | */ | |
31 | hook_t hook; | |
32 | }; | |
33 | ||
34 | METHOD(listener_t, message, bool, | |
35 | private_log_ke_t *this, ike_sa_t *ike_sa, message_t *message, | |
47b8f6ef | 36 | bool incoming, bool plain) |
c6f2bac1 | 37 | { |
47b8f6ef | 38 | if (incoming && plain) |
c6f2bac1 | 39 | { |
5d82b2d3 | 40 | enumerator_t *enumerator; |
c6f2bac1 MW |
41 | payload_t *payload; |
42 | ke_payload_t *ke; | |
43 | ||
44 | enumerator = message->create_payload_enumerator(message); | |
45 | while (enumerator->enumerate(enumerator, &payload)) | |
46 | { | |
3ecfc83c | 47 | if (payload->get_type(payload) == PLV2_KEY_EXCHANGE) |
c6f2bac1 MW |
48 | { |
49 | ke = (ke_payload_t*)payload; | |
50 | DBG1(DBG_CFG, "received DH group %N", | |
51 | diffie_hellman_group_names, ke->get_dh_group_number(ke)); | |
52 | } | |
53 | } | |
54 | enumerator->destroy(enumerator); | |
55 | } | |
56 | return TRUE; | |
57 | } | |
58 | ||
59 | METHOD(hook_t, destroy, void, | |
60 | private_log_ke_t *this) | |
61 | { | |
62 | free(this); | |
63 | } | |
64 | ||
65 | /** | |
66 | * Create the IKE_AUTH fill hook | |
67 | */ | |
68 | hook_t *log_ke_hook_create(char *name) | |
69 | { | |
70 | private_log_ke_t *this; | |
71 | ||
72 | INIT(this, | |
73 | .hook = { | |
74 | .listener = { | |
75 | .message = _message, | |
76 | }, | |
77 | .destroy = _destroy, | |
78 | }, | |
79 | ); | |
80 | ||
81 | return &this->hook; | |
82 | } |