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
|
/*
* Copyright (C) 2008 Martin Willi
* HSR Hochschule fuer Technik Rapperswil
*
* 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 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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.
*/
#include "medsrv_creds.h"
#include <daemon.h>
#include <library.h>
#include <collections/enumerator.h>
typedef struct private_medsrv_creds_t private_medsrv_creds_t;
/**
* Private data of an medsrv_creds_t object
*/
struct private_medsrv_creds_t {
/**
* Public part
*/
medsrv_creds_t public;
/**
* underlying database handle
*/
database_t *db;
};
/**
* enumerator over certificates
*/
typedef struct {
/** implements enumerator */
enumerator_t public;
/** inner SQL enumerator */
enumerator_t *inner;
/** currently enumerated cert */
certificate_t *current;
/** type of requested key */
key_type_t type;
} cert_enumerator_t;
METHOD(enumerator_t, cert_enumerator_enumerate, bool,
cert_enumerator_t *this, va_list args)
{
certificate_t *trusted, **cert;
public_key_t *public;
chunk_t chunk;
VA_ARGS_VGET(args, cert);
DESTROY_IF(this->current);
while (this->inner->enumerate(this->inner, &chunk))
{
public = lib->creds->create(lib->creds, CRED_PUBLIC_KEY, KEY_ANY,
BUILD_BLOB_ASN1_DER, chunk,
BUILD_END);
if (public)
{
if (this->type == KEY_ANY || this->type == public->get_type(public))
{
trusted = lib->creds->create(lib->creds,
CRED_CERTIFICATE, CERT_TRUSTED_PUBKEY,
BUILD_PUBLIC_KEY, public, BUILD_END);
public->destroy(public);
if (trusted)
{
*cert = this->current = trusted;
return TRUE;
}
}
else
{
public->destroy(public);
}
}
}
this->current = NULL;
return FALSE;
}
METHOD(enumerator_t, cert_enumerator_destroy, void,
cert_enumerator_t *this)
{
DESTROY_IF(this->current);
this->inner->destroy(this->inner);
free(this);
}
METHOD(credential_set_t, create_cert_enumerator, enumerator_t*,
private_medsrv_creds_t *this, certificate_type_t cert, key_type_t key,
identification_t *id, bool trusted)
{
cert_enumerator_t *e;
if ((cert != CERT_TRUSTED_PUBKEY && cert != CERT_ANY) ||
id == NULL || id->get_type(id) != ID_KEY_ID)
{
return NULL;
}
INIT(e,
.public = {
.enumerate = enumerator_enumerate_default,
.venumerate = _cert_enumerator_enumerate,
.destroy = _cert_enumerator_destroy,
},
.type = key,
.inner = this->db->query(this->db,
"SELECT public_key FROM peer WHERE keyid = ?",
DB_BLOB, id->get_encoding(id),
DB_BLOB),
);
if (!e->inner)
{
free(e);
return NULL;
}
return &e->public;
}
METHOD(medsrv_creds_t, destroy, void,
private_medsrv_creds_t *this)
{
free(this);
}
/**
* Described in header.
*/
medsrv_creds_t *medsrv_creds_create(database_t *db)
{
private_medsrv_creds_t *this;
INIT(this,
.public = {
.set = {
.create_private_enumerator = (void*)return_null,
.create_cert_enumerator = _create_cert_enumerator,
.create_shared_enumerator = (void*)return_null,
.create_cdp_enumerator = (void*)return_null,
.cache_cert = (void*)nop,
},
.destroy = _destroy,
},
.db = db,
);
return &this->public;
}
|
