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
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
/*
This file is part of TALER
Copyright (C) 2014-2017 Taler Systems SA (and other contributing authors)
TALER 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, or (at your option) any later version.
TALER 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
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file exchangedb/test_exchangedb_denomkeys.c
* @brief test cases for some functions in exchangedb/exchangedb_denomkeys.c
* @author Sree Harsha Totakura <sreeharsha@totakura.in>
*/
#include "platform.h"
#include "gnunet/gnunet_util_lib.h"
#include "taler_signatures.h"
#include "taler_exchangedb_lib.h"
#define RSA_KEY_SIZE 1024
#define EXITIF(cond) \
do { \
if (cond) { GNUNET_break (0); goto EXITIF_exit; } \
} while (0)
/**
* @brief Iterator called on denomination key.
*
* @param cls closure with expected DKI
* @param dki the denomination key
* @param alias coin alias
* @return #GNUNET_OK to continue to iterate,
* #GNUNET_NO to stop iteration with no error,
* #GNUNET_SYSERR to abort iteration with error!
*/
static int
dki_iter (void *cls,
const char *alias,
const struct TALER_EXCHANGEDB_DenominationKey *dki)
{
const struct TALER_EXCHANGEDB_DenominationKey *exp = cls;
(void) alias;
if (0 != GNUNET_memcmp (&exp->issue,
&dki->issue))
{
GNUNET_break (0);
return GNUNET_SYSERR;
}
if (0 !=
GNUNET_CRYPTO_rsa_private_key_cmp (exp->denom_priv.rsa_private_key,
dki->denom_priv.rsa_private_key))
{
GNUNET_break (0);
return GNUNET_SYSERR;
}
if (0 !=
GNUNET_CRYPTO_rsa_public_key_cmp (exp->denom_pub.rsa_public_key,
dki->denom_pub.rsa_public_key))
{
GNUNET_break (0);
return GNUNET_SYSERR;
}
return GNUNET_OK;
}
/**
* @brief Iterator called on revoked denomination key.
*
* @param cls closure with expected DKI
* @param denom_hash hash of the revoked denomination key
* @param revocation_master_sig non-NULL if @a dki was revoked
* @return #GNUNET_OK to continue to iterate,
* #GNUNET_NO to stop iteration with no error,
* #GNUNET_SYSERR to abort iteration with error!
*/
static int
dki_iter_revoked (void *cls,
const struct GNUNET_HashCode *denom_hash,
const struct TALER_MasterSignatureP *revocation_master_sig)
{
const struct TALER_EXCHANGEDB_DenominationKey *exp = cls;
if (NULL == revocation_master_sig)
{
GNUNET_break (0);
return GNUNET_SYSERR;
}
if (0 != GNUNET_memcmp (denom_hash,
&exp->issue.properties.denom_hash))
{
GNUNET_break (0);
return GNUNET_SYSERR;
}
return GNUNET_OK;
}
int
main (int argc,
const char *const argv[])
{
struct TALER_EXCHANGEDB_DenominationKey dki;
void *enc;
size_t enc_size;
struct TALER_EXCHANGEDB_DenominationKey dki_read;
struct TALER_MasterPrivateKeyP master_priv;
struct TALER_MasterPublicKeyP master_pub;
void *enc_read;
size_t enc_read_size;
char *tmpfile;
char *tmpdir;
char *revdir;
int ret;
struct GNUNET_TIME_Absolute start;
(void) argc;
(void) argv;
ret = 1;
GNUNET_log_setup ("test-exchangedb-denomkeys",
"WARNING",
NULL);
enc = NULL;
enc_read = NULL;
tmpfile = NULL;
dki.denom_priv.rsa_private_key = NULL;
dki_read.denom_priv.rsa_private_key = NULL;
GNUNET_CRYPTO_eddsa_key_create (&master_priv.eddsa_priv);
GNUNET_CRYPTO_eddsa_key_get_public (&master_priv.eddsa_priv,
&master_pub.eddsa_pub);
GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK,
&dki.issue,
sizeof (struct
TALER_EXCHANGEDB_DenominationKeyInformationP));
dki.denom_priv.rsa_private_key
= GNUNET_CRYPTO_rsa_private_key_create (RSA_KEY_SIZE);
dki.denom_pub.rsa_public_key
= GNUNET_CRYPTO_rsa_private_key_get_public (dki.denom_priv.rsa_private_key);
enc_size = GNUNET_CRYPTO_rsa_private_key_encode (
dki.denom_priv.rsa_private_key,
&enc);
EXITIF (NULL == (tmpdir = GNUNET_DISK_mkdtemp ("test_exchangedb_dki")));
start = GNUNET_TIME_absolute_ntoh (dki.issue.properties.start);
GNUNET_asprintf (&tmpfile,
"%s/%s/%s/%llu",
tmpdir,
TALER_EXCHANGEDB_DIR_DENOMINATION_KEYS,
"cur-unit-uuid",
(unsigned long long) start.abs_value_us);
GNUNET_asprintf (&revdir,
"%s/revocations/",
tmpdir);
EXITIF (GNUNET_OK !=
TALER_EXCHANGEDB_denomination_key_write (tmpfile,
&dki));
EXITIF (GNUNET_OK !=
TALER_EXCHANGEDB_denomination_key_read (tmpfile,
&dki_read));
EXITIF (1 !=
TALER_EXCHANGEDB_denomination_keys_iterate (tmpdir,
&dki_iter,
&dki));
EXITIF (GNUNET_OK !=
TALER_EXCHANGEDB_denomination_key_revoke (revdir,
&dki.issue.properties.
denom_hash,
&master_priv));
EXITIF (1 !=
TALER_EXCHANGEDB_revocations_iterate (revdir,
&master_pub,
&dki_iter_revoked,
&dki));
GNUNET_free (revdir);
enc_read_size = GNUNET_CRYPTO_rsa_private_key_encode (
dki_read.denom_priv.rsa_private_key,
&enc_read);
EXITIF (enc_size != enc_read_size);
EXITIF (0 != memcmp (enc,
enc_read,
enc_size));
ret = 0;
EXITIF_exit:
GNUNET_free (enc);
GNUNET_free (tmpfile);
if (NULL != tmpdir)
{
(void) GNUNET_DISK_directory_remove (tmpdir);
GNUNET_free (tmpdir);
}
GNUNET_free (enc_read);
if (NULL != dki.denom_priv.rsa_private_key)
GNUNET_CRYPTO_rsa_private_key_free (dki.denom_priv.rsa_private_key);
if (NULL != dki.denom_pub.rsa_public_key)
GNUNET_CRYPTO_rsa_public_key_free (dki.denom_pub.rsa_public_key);
if (NULL != dki_read.denom_priv.rsa_private_key)
GNUNET_CRYPTO_rsa_private_key_free (dki_read.denom_priv.rsa_private_key);
if (NULL != dki_read.denom_pub.rsa_public_key)
GNUNET_CRYPTO_rsa_public_key_free (dki_read.denom_pub.rsa_public_key);
return ret;
}
|
