renaming mint->exchange

1 files changed, 163 insertions, 0 deletions

diff --git a/src/exchange-tools/taler-exchange-sepa.c b/src/exchange-tools/taler-exchange-sepa.c
new file mode 100644
index 000000000..a3ac95436
--- /dev/null
+++ b/src/exchange-tools/taler-exchange-sepa.c
@@ -0,0 +1,163 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2015 GNUnet e.V.
+
+  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-exchange-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-exchange-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-exchange-sepa",
+                                   "WARNING",
+                                   NULL));
+
+  if (GNUNET_GETOPT_run ("taler-exchange-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-exchange-sepa.c */