1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/* Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*!
* \file
*
* \brief TSIG operations
*
* \addtogroup knot-tsig
* @{
*/
#pragma once
#include "libknot/dname.h"
#include "libdnssec/tsig.h"
/*!
* \brief TSIG key.
*/
struct knot_tsig_key {
dnssec_tsig_algorithm_t algorithm;
knot_dname_t *name;
dnssec_binary_t secret;
};
typedef struct knot_tsig_key knot_tsig_key_t;
/*!
* \brief Packet signing context.
*/
typedef struct knot_sign_context {
knot_tsig_key_t tsig_key;
uint8_t *tsig_buf;
uint8_t *tsig_digest;
size_t tsig_buflen;
size_t tsig_digestlen;
uint8_t tsig_runlen;
uint64_t tsig_time_signed;
size_t pkt_count;
} knot_sign_context_t;
/*!
* \brief Initialize a new TSIG key from individual key parameters.
*
* \param[out] key Key to be initialized.
* \param[in] algorithm Algorithm name. NULL for default (hmac-md5).
* \param[in] name Key name (domain name in presentation format).
* \param[in] secret_b64 Secret encoded using Base 64.
*
* \return Error code, KNOT_EOK if successful.
*/
int knot_tsig_key_init(knot_tsig_key_t *key, const char *algorithm,
const char *name, const char *secret_b64);
/*!
* \brief Create a new TSIG key from a string encoding all parameters.
*
* \param[out] key Key to be initialized.
* \param[in] params Parameters in a form \a [algorithm:]name:base64_secret
*/
int knot_tsig_key_init_str(knot_tsig_key_t *key, const char *params);
/*!
* \brief Create a new TSIG key by reading the parameters from a file.
*
* The file content is parsed by \a tsig_key_create_str.
*/
int knot_tsig_key_init_file(knot_tsig_key_t *key, const char *filename);
/*!
* \brief Deinitialize TSIG key.
*/
void knot_tsig_key_deinit(knot_tsig_key_t *key);
/*!
* \brief Duplicate a TSIG key.
*/
int knot_tsig_key_copy(knot_tsig_key_t *dst, const knot_tsig_key_t *src);
/*! @} */
|
