Line data Source code
1 : /*
2 : This file is part of TALER
3 : Copyright (C) 2023 Taler Systems SA
4 :
5 : TALER is free software; you can redistribute it and/or modify it under the
6 : terms of the GNU General Public License as published by the Free Software
7 : Foundation; either version 3, or (at your option) any later version.
8 :
9 : TALER is distributed in the hope that it will be useful, but WITHOUT ANY
10 : WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
11 : A PARTICULAR PURPOSE. See the GNU General Public License for more details.
12 :
13 : You should have received a copy of the GNU General Public License along with
14 : TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
15 : */
16 : /**
17 : * @file merchant-tools/taler-merchant-passwd.c
18 : * @brief Reset access tokens for instances.
19 : * @author Christian Grothoff
20 : */
21 : #include "platform.h"
22 : #include <taler/taler_util.h>
23 : #include <taler/taler_dbevents.h>
24 : #include <gnunet/gnunet_util_lib.h>
25 : #include "taler_merchant_util.h"
26 : #include "taler_merchantdb_lib.h"
27 : #include "taler_merchantdb_lib.h"
28 :
29 : /**
30 : * Instance to set password for.
31 : */
32 : static char *instance;
33 :
34 : /**
35 : * Return value from main().
36 : */
37 : static int global_ret;
38 :
39 : /**
40 : * Main function that will be run.
41 : *
42 : * @param cls closure
43 : * @param args remaining command-line arguments
44 : * @param cfgfile name of the configuration file used (for saving, can be NULL!)
45 : * @param config configuration
46 : */
47 : static void
48 1 : run (void *cls,
49 : char *const *args,
50 : const char *cfgfile,
51 : const struct GNUNET_CONFIGURATION_Handle *config)
52 : {
53 : struct TALER_MERCHANTDB_Plugin *plugin;
54 : struct GNUNET_CONFIGURATION_Handle *cfg;
55 1 : const char *pw = args[0];
56 : struct TALER_MERCHANTDB_InstanceAuthSettings ias;
57 : enum GNUNET_DB_QueryStatus qs;
58 :
59 1 : if (NULL == pw)
60 0 : pw = getenv ("TALER_MERCHANT_PASSWORD");
61 1 : if (NULL == pw)
62 : {
63 0 : fprintf (stderr,
64 : "New password not specified (pass on command-line or via TALER_MERCHANT_PASSWORD)\n");
65 0 : global_ret = -1;
66 0 : return;
67 : }
68 1 : if (NULL == instance)
69 1 : instance = GNUNET_strdup ("admin");
70 1 : cfg = GNUNET_CONFIGURATION_dup (config);
71 1 : if (NULL ==
72 1 : (plugin = TALER_MERCHANTDB_plugin_load (cfg)))
73 : {
74 0 : fprintf (stderr,
75 : "Failed to initialize database plugin.\n");
76 0 : global_ret = 1;
77 0 : GNUNET_CONFIGURATION_destroy (cfg);
78 0 : return;
79 : }
80 :
81 1 : GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_NONCE,
82 : &ias.auth_salt,
83 : sizeof (ias.auth_salt));
84 1 : TALER_merchant_instance_auth_hash_with_salt (&ias.auth_hash,
85 : &ias.auth_salt,
86 : pw);
87 1 : if (GNUNET_OK !=
88 1 : plugin->connect (plugin->cls))
89 : {
90 0 : fprintf (stderr,
91 : "Failed to connect to database. Consider running taler-merchant-dbinit!\n");
92 0 : global_ret = 1;
93 0 : TALER_MERCHANTDB_plugin_unload (plugin);
94 0 : GNUNET_CONFIGURATION_destroy (cfg);
95 0 : return;
96 : }
97 1 : qs = plugin->update_instance_auth (plugin->cls,
98 : instance,
99 : &ias);
100 1 : switch (qs)
101 : {
102 1 : case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
103 : {
104 1 : struct GNUNET_DB_EventHeaderP es = {
105 1 : .size = ntohs (sizeof (es)),
106 1 : .type = ntohs (TALER_DBEVENT_MERCHANT_INSTANCE_SETTINGS)
107 : };
108 :
109 1 : plugin->event_notify (plugin->cls,
110 : &es,
111 : instance,
112 1 : strlen (instance) + 1);
113 : }
114 1 : break;
115 0 : case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
116 0 : fprintf (stderr,
117 : "Instance `%s' unknown, cannot reset token\n",
118 : instance);
119 0 : global_ret = 2;
120 0 : break;
121 0 : case GNUNET_DB_STATUS_SOFT_ERROR:
122 : case GNUNET_DB_STATUS_HARD_ERROR:
123 0 : fprintf (stderr,
124 : "Internal database error.\n");
125 0 : global_ret = 3;
126 0 : break;
127 : }
128 1 : TALER_MERCHANTDB_plugin_unload (plugin);
129 1 : GNUNET_CONFIGURATION_destroy (cfg);
130 : }
131 :
132 :
133 : /**
134 : * The main function of the database initialization tool.
135 : * Used to initialize the Taler Exchange's database.
136 : *
137 : * @param argc number of arguments from the command line
138 : * @param argv command line arguments
139 : * @return 0 ok, 1 on error
140 : */
141 : int
142 1 : main (int argc,
143 : char *const *argv)
144 : {
145 1 : struct GNUNET_GETOPT_CommandLineOption options[] = {
146 1 : GNUNET_GETOPT_option_string ('i',
147 : "instance",
148 : "ID",
149 : "which instance to reset the password of",
150 : &instance),
151 :
152 1 : GNUNET_GETOPT_option_version (PACKAGE_VERSION "-" VCS_VERSION),
153 : GNUNET_GETOPT_OPTION_END
154 : };
155 : enum GNUNET_GenericReturnValue ret;
156 :
157 1 : ret = GNUNET_PROGRAM_run (
158 : TALER_MERCHANT_project_data (),
159 : argc, argv,
160 : "taler-merchant-passwd",
161 : gettext_noop ("Reset instance password"),
162 : options,
163 : &run, NULL);
164 1 : if (GNUNET_SYSERR == ret)
165 0 : return 3;
166 1 : if (GNUNET_NO == ret)
167 0 : return 0;
168 1 : return global_ret;
169 : }
170 :
171 :
172 : /* end of taler-merchant-passwd.c */
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