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
|
/*
This file is part of TALER
Copyright (C) 2015 Christian Grothoff (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, If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file taler-mint-sepa.c
* @brief Create signed response for /wire/sepa requests.
* @author Christian Grothoff
*/
#include <platform.h>
#include <jansson.h>
#include "taler_crypto_lib.h"
#include "taler_signatures.h"
/**
* Filename of the master private key.
*/
static char *masterkeyfile;
/**
* Account holder name.
*/
static char *sepa_name;
/**
* IBAN number.
*/
static char *iban;
/**
* BIC number.
*/
static char *bic;
/**
* Where to write the result.
*/
static char *output_filename;
/**
* The main function of the taler-mint-sepa tool. This tool is used
* to sign the SEPA bank account details using the master key.
*
* @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)
{
static const struct GNUNET_GETOPT_CommandLineOption options[] = {
{'b', "bic", "BICCODE",
"bank BIC code", 1,
&GNUNET_GETOPT_set_string, &bic},
{'i', "iban", "IBAN",
"IBAN number of the account", 1,
&GNUNET_GETOPT_set_string, &iban},
{'m', "master-key", "FILE",
"master key file (private key)", 1,
&GNUNET_GETOPT_set_filename, &masterkeyfile},
{'n', "name", "NAME",
"name of the account holder", 1,
&GNUNET_GETOPT_set_string, &sepa_name},
{'o', "output", "FILE",
"where to write the result", 1,
&GNUNET_GETOPT_set_filename, &output_filename},
TALER_GETOPT_OPTION_HELP ("Setup /wire/sepa response"),
GNUNET_GETOPT_OPTION_VERSION (VERSION "-" VCS_VERSION),
GNUNET_GETOPT_OPTION_END
};
struct GNUNET_CRYPTO_EddsaPrivateKey *eddsa_priv;
struct TALER_MasterWireSepaDetailsPS wsd;
struct TALER_MasterSignatureP sig;
struct GNUNET_HashContext *hc;
json_t *reply;
char *json_str;
GNUNET_assert (GNUNET_OK ==
GNUNET_log_setup ("taler-mint-sepa",
"WARNING",
NULL));
if (GNUNET_GETOPT_run ("taler-mint-sepa",
options,
argc, argv) < 0)
return 1;
if (NULL == masterkeyfile)
{
fprintf (stderr,
"Master key file not given\n");
return 1;
}
eddsa_priv = GNUNET_CRYPTO_eddsa_key_create_from_file (masterkeyfile);
if (NULL == eddsa_priv)
{
fprintf (stderr,
"Failed to initialize master key from file `%s'\n",
masterkeyfile);
return 1;
}
/* Compute message to sign */
hc = GNUNET_CRYPTO_hash_context_start ();
GNUNET_CRYPTO_hash_context_read (hc,
sepa_name,
strlen (sepa_name) + 1);
GNUNET_CRYPTO_hash_context_read (hc,
iban,
strlen (iban) + 1);
GNUNET_CRYPTO_hash_context_read (hc,
bic,
strlen (bic) + 1);
wsd.purpose.size = htonl (sizeof (wsd));
wsd.purpose.purpose = htonl (TALER_SIGNATURE_MASTER_SEPA_DETAILS);
GNUNET_CRYPTO_hash_context_finish (hc,
&wsd.h_sepa_details);
GNUNET_CRYPTO_eddsa_sign (eddsa_priv,
&wsd.purpose,
&sig.eddsa_signature);
GNUNET_free (eddsa_priv);
/* build JSON message */
reply = json_pack ("{s:s, s:s, s:s, s:o}",
"receiver_name", sepa_name,
"iban", iban,
"bic", bic,
"sig", TALER_json_from_data (&sig,
sizeof (sig)));
GNUNET_assert (NULL != reply);
/* dump result to stdout */
json_str = json_dumps (reply, JSON_INDENT(2));
GNUNET_assert (NULL != json_str);
if (NULL != output_filename)
{
fclose (stdout);
stdout = fopen (output_filename,
"w+");
}
fprintf (stdout,
"%s",
json_str);
fflush (stdout);
free (json_str);
return 0;
}
/* end of taler-mint-sepa.c */
|
