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
|
/*
This file is part of TALER
Copyright (C) 2023 Taler Systems SA
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 merchant-tools/taler-merchant-passwd.c
* @brief Reset access tokens for instances.
* @author Christian Grothoff
*/
#include "platform.h"
#include <taler/taler_util.h>
#include <taler/taler_dbevents.h>
#include <gnunet/gnunet_util_lib.h>
#include "taler_merchantdb_lib.h"
#include "taler_merchantdb_lib.h"
/**
* Instance to set password for.
*/
static char *instance;
/**
* Return value from main().
*/
static int global_ret;
/**
* Main function that will be run.
*
* @param cls closure
* @param args remaining command-line arguments
* @param cfgfile name of the configuration file used (for saving, can be NULL!)
* @param config configuration
*/
static void
run (void *cls,
char *const *args,
const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *config)
{
struct TALER_MERCHANTDB_Plugin *plugin;
struct GNUNET_CONFIGURATION_Handle *cfg;
const char *pw = args[0];
struct TALER_MERCHANTDB_InstanceAuthSettings ias;
enum GNUNET_DB_QueryStatus qs;
if (NULL == pw)
pw = getenv ("TALER_MERCHANT_PASSWORD");
if (NULL == pw)
{
fprintf (stderr,
"New password not specified (pass on command-line or via TALER_MERCHANT_PASSWORD)\n");
global_ret = -1;
return;
}
if (NULL == instance)
instance = GNUNET_strdup ("default");
cfg = GNUNET_CONFIGURATION_dup (config);
if (NULL ==
(plugin = TALER_MERCHANTDB_plugin_load (cfg)))
{
fprintf (stderr,
"Failed to initialize database plugin.\n");
global_ret = 1;
GNUNET_CONFIGURATION_destroy (cfg);
return;
}
GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_NONCE,
&ias.auth_salt,
sizeof (ias.auth_salt));
GNUNET_assert (GNUNET_YES ==
GNUNET_CRYPTO_kdf (&ias.auth_hash,
sizeof (ias.auth_hash),
&ias.auth_salt,
sizeof (ias.auth_salt),
pw,
strlen (pw),
"merchant-instance-auth",
strlen ("merchant-instance-auth"),
NULL,
0));
if (GNUNET_OK !=
plugin->connect (plugin->cls))
{
fprintf (stderr,
"Failed to connect to database\n");
global_ret = 1;
TALER_MERCHANTDB_plugin_unload (plugin);
GNUNET_CONFIGURATION_destroy (cfg);
return;
}
qs = plugin->update_instance_auth (plugin->cls,
instance,
&ias);
switch (qs)
{
case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
{
struct GNUNET_DB_EventHeaderP es = {
.size = ntohs (sizeof (es)),
.type = ntohs (TALER_DBEVENT_MERCHANT_INSTANCE_SETTINGS)
};
plugin->event_notify (plugin->cls,
&es,
instance,
strlen (instance) + 1);
}
break;
case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
fprintf (stderr,
"Instance `%s' unknown, cannot reset token\n",
instance);
global_ret = 2;
break;
case GNUNET_DB_STATUS_SOFT_ERROR:
case GNUNET_DB_STATUS_HARD_ERROR:
fprintf (stderr,
"Internal database error.\n");
global_ret = 3;
break;
}
TALER_MERCHANTDB_plugin_unload (plugin);
GNUNET_CONFIGURATION_destroy (cfg);
}
/**
* The main function of the database initialization tool.
* Used to initialize the Taler Exchange's database.
*
* @param argc number of arguments from the command line
* @param argv command line arguments
* @return 0 ok, 1 on error
*/
int
main (int argc,
char *const *argv)
{
struct GNUNET_GETOPT_CommandLineOption options[] = {
GNUNET_GETOPT_option_string ('i',
"instance",
"ID",
"which instance to reset the password of",
&instance),
GNUNET_GETOPT_option_version (PACKAGE_VERSION "-" VCS_VERSION),
GNUNET_GETOPT_OPTION_END
};
enum GNUNET_GenericReturnValue ret;
/* force linker to link against libtalerutil; if we do
not do this, the linker may "optimize" libtalerutil
away and skip #TALER_OS_init(), which we do need */
(void) TALER_project_data_default ();
if (GNUNET_OK !=
GNUNET_STRINGS_get_utf8_args (argc, argv,
&argc, &argv))
return 4;
ret = GNUNET_PROGRAM_run (
argc, argv,
"taler-merchant-passwd",
gettext_noop ("Reset instance password"),
options,
&run, NULL);
GNUNET_free_nz ((void *) argv);
if (GNUNET_SYSERR == ret)
return 3;
if (GNUNET_NO == ret)
return 0;
return global_ret;
}
/* end of taler-merchant-passwd.c */
|
