Add a DNS attribute handler to updown, passing servers to updown script
[strongswan.git] / src / libcharon / plugins / updown / updown_handler.h
1 /*
2 * Copyright (C) 2012 Martin Willi
3 * Copyright (C) 2012 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 /**
17 * @defgroup updown_handler updown_handler
18 * @{ @ingroup updown
19 */
20
21 #ifndef UPDOWN_HANDLER_H_
22 #define UPDOWN_HANDLER_H_
23
24 #include <attributes/attribute_handler.h>
25
26 typedef struct updown_handler_t updown_handler_t;
27
28 /**
29 * Handler storing configuration attributes to pass to updown script.
30 */
31 struct updown_handler_t {
32
33 /**
34 * Implements the attribute_handler_t interface
35 */
36 attribute_handler_t handler;
37
38 /**
39 * Create an enumerator over received DNS servers.
40 *
41 * @param id unique IKE_SA identifier to get attributes for
42 * @return enumerator over host_t*
43 */
44 enumerator_t* (*create_dns_enumerator)(updown_handler_t *this, u_int id);
45
46 /**
47 * Destroy a updown_handler_t.
48 */
49 void (*destroy)(updown_handler_t *this);
50 };
51
52 /**
53 * Create a updown_handler instance.
54 */
55 updown_handler_t *updown_handler_create();
56
57 #endif /** UPDOWN_HANDLER_H_ @}*/