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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
/* $OpenBSD: tls_keypair.c,v 1.8 2021/01/05 17:37:12 jsing Exp $ */
/*
* Copyright (c) 2014 Joel Sing <jsing@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/pem.h>
#include <tls.h>
#include "tls_internal.h"
struct tls_keypair *
tls_keypair_new(void)
{
return calloc(1, sizeof(struct tls_keypair));
}
static int
tls_keypair_pubkey_hash(struct tls_keypair *keypair, struct tls_error *error)
{
X509 *cert = NULL;
int rv = -1;
free(keypair->pubkey_hash);
keypair->pubkey_hash = NULL;
if (keypair->cert_mem == NULL) {
rv = 0;
goto done;
}
if (tls_keypair_load_cert(keypair, error, &cert) == -1)
goto err;
if (tls_cert_pubkey_hash(cert, &keypair->pubkey_hash) == -1)
goto err;
rv = 0;
err:
X509_free(cert);
done:
return (rv);
}
void
tls_keypair_clear_key(struct tls_keypair *keypair)
{
freezero(keypair->key_mem, keypair->key_len);
keypair->key_mem = NULL;
keypair->key_len = 0;
}
int
tls_keypair_set_cert_file(struct tls_keypair *keypair, struct tls_error *error,
const char *cert_file)
{
if (tls_config_load_file(error, "certificate", cert_file,
&keypair->cert_mem, &keypair->cert_len) == -1)
return -1;
return tls_keypair_pubkey_hash(keypair, error);
}
int
tls_keypair_set_cert_mem(struct tls_keypair *keypair, struct tls_error *error,
const uint8_t *cert, size_t len)
{
if (tls_set_mem(&keypair->cert_mem, &keypair->cert_len, cert, len) == -1)
return -1;
return tls_keypair_pubkey_hash(keypair, error);
}
int
tls_keypair_set_key_file(struct tls_keypair *keypair, struct tls_error *error,
const char *key_file)
{
tls_keypair_clear_key(keypair);
return tls_config_load_file(error, "key", key_file,
&keypair->key_mem, &keypair->key_len);
}
int
tls_keypair_set_key_mem(struct tls_keypair *keypair, struct tls_error *error,
const uint8_t *key, size_t len)
{
tls_keypair_clear_key(keypair);
return tls_set_mem(&keypair->key_mem, &keypair->key_len, key, len);
}
int
tls_keypair_set_ocsp_staple_file(struct tls_keypair *keypair,
struct tls_error *error, const char *ocsp_file)
{
return tls_config_load_file(error, "ocsp", ocsp_file,
&keypair->ocsp_staple, &keypair->ocsp_staple_len);
}
int
tls_keypair_set_ocsp_staple_mem(struct tls_keypair *keypair,
struct tls_error *error, const uint8_t *staple, size_t len)
{
return tls_set_mem(&keypair->ocsp_staple, &keypair->ocsp_staple_len,
staple, len);
}
void
tls_keypair_free(struct tls_keypair *keypair)
{
if (keypair == NULL)
return;
tls_keypair_clear_key(keypair);
free(keypair->cert_mem);
free(keypair->ocsp_staple);
free(keypair->pubkey_hash);
free(keypair);
}
int
tls_keypair_load_cert(struct tls_keypair *keypair, struct tls_error *error,
X509 **cert)
{
char *errstr = "unknown";
BIO *cert_bio = NULL;
unsigned long ssl_err;
int rv = -1;
X509_free(*cert);
*cert = NULL;
if (keypair->cert_mem == NULL) {
tls_error_set(error, "keypair has no certificate");
goto err;
}
if ((cert_bio = BIO_new_mem_buf(keypair->cert_mem,
keypair->cert_len)) == NULL) {
tls_error_set(error, "failed to create certificate bio");
goto err;
}
if ((*cert = PEM_read_bio_X509(cert_bio, NULL, tls_password_cb,
NULL)) == NULL) {
if ((ssl_err = ERR_peek_error()) != 0)
errstr = ERR_error_string(ssl_err, NULL);
tls_error_set(error, "failed to load certificate: %s", errstr);
goto err;
}
rv = 0;
err:
BIO_free(cert_bio);
return (rv);
}
|
