pki: Reset variable so error handling works properly
[strongswan.git] / src / pki / pki.h
1 /*
2 * Copyright (C) 2009 Martin Willi
3 * Hochschule fuer Technik Rapperswil
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 pki pki
18 *
19 * @addtogroup pki
20 * @{
21 */
22
23 #ifndef PKI_H_
24 #define PKI_H_
25
26 #include "command.h"
27
28 #include <library.h>
29 #include <selectors/traffic_selector.h>
30 #include <credentials/keys/private_key.h>
31
32 /**
33 * Convert a form string to a encoding type
34 */
35 bool get_form(char *form, cred_encoding_type_t *enc, credential_type_t type);
36
37 /**
38 * Calculate start/end lifetime for certificates.
39 *
40 * If both nbstr and nastr are given, span is ignored. Otherwise missing
41 * arguments are calculated, or assumed to be now.
42 *
43 * @param format strptime() format, NULL for default: %d.%m.%y %T
44 * @param nbstr string describing notBefore datetime, or NULL
45 * @param nastr string describing notAfter datetime, or NULL
46 * @param span lifetime span, from notBefore to notAfter
47 * @param nb calculated notBefore time
48 * @param na calculated notAfter time
49 * @return TRUE of nb/na calculated successfully
50 */
51 bool calculate_lifetime(char *format, char *nbstr, char *nastr, time_t span,
52 time_t *nb, time_t *na);
53
54 /**
55 * Set output file mode appropriate for credential encoding form on Windows
56 */
57 void set_file_mode(FILE *stream, cred_encoding_type_t enc);
58
59 /**
60 * Select default digest for signatures with the given key
61 *
62 * @param private private key
63 * @return hash algorithm
64 */
65 hash_algorithm_t get_default_digest(private_key_t *private);
66
67 /**
68 * Create a traffic selector from a CIDR or range string.
69 *
70 * @param str input string, either a.b.c.d/e or a.b.c.d-e.f.g.h
71 * @return traffic selector, NULL on error
72 */
73 traffic_selector_t* parse_ts(char *str);
74
75 #endif /** PKI_H_ @}*/