[gnunet] branch master updated: add gnsrecord tvg

[gnunet]

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martin-schanzenbach pushed a commit to branch master
in repository gnunet.

The following commit(s) were added to refs/heads/master by this push:
     new f6c7437bf add gnsrecord tvg
f6c7437bf is described below

commit f6c7437bf0a0371b2004b64ec24a68abb3d8e352
Author: Martin Schanzenbach <address@hidden>
AuthorDate: Sun May 10 15:21:47 2020 +0200

    add gnsrecord tvg
---
 src/gnsrecord/Makefile.am            |  12 +++
 src/gnsrecord/gnunet-gnsrecord-tvg.c | 191 +++++++++++++++++++++++++++++++++++
 2 files changed, 203 insertions(+)

diff --git a/src/gnsrecord/Makefile.am b/src/gnsrecord/Makefile.am
index 3da9af9ca..2e6eca7ba 100644
--- a/src/gnsrecord/Makefile.am
+++ b/src/gnsrecord/Makefile.am
@@ -12,6 +12,10 @@ if USE_COVERAGE
   XLIBS = -lgcov
 endif
 
+bin_PROGRAMS = \
+  gnunet-gnsrecord-tvg
+
+
 check_PROGRAMS = \
  test_gnsrecord_crypto \
  test_gnsrecord_serialization \
@@ -28,6 +32,14 @@ endif
 lib_LTLIBRARIES = \
   libgnunetgnsrecord.la
 
+gnunet_gnsrecord_tvg_SOURCES = \
+ gnunet-gnsrecord-tvg.c
+gnunet_gnsrecord_tvg_LDADD = \
+  $(top_builddir)/src/util/libgnunetutil.la \
+  libgnunetgnsrecord.la \
+  $(GN_LIBINTL)
+
+
 libgnunetgnsrecord_la_SOURCES = \
   gnsrecord.c \
   gnsrecord_serialization.c \
diff --git a/src/gnsrecord/gnunet-gnsrecord-tvg.c 
b/src/gnsrecord/gnunet-gnsrecord-tvg.c
new file mode 100644
index 000000000..e0ac5881a
--- /dev/null
+++ b/src/gnsrecord/gnunet-gnsrecord-tvg.c
@@ -0,0 +1,191 @@
+/*
+     This file is part of GNUnet.
+     Copyright (C) 2020 GNUnet e.V.
+
+     GNUnet is free software: you can redistribute it and/or modify it
+     under the terms of the GNU Affero General Public License as published
+     by the Free Software Foundation, either version 3 of the License,
+     or (at your option) any later version.
+
+     GNUnet 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
+     Affero General Public License for more details.
+
+     You should have received a copy of the GNU Affero General Public License
+     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+     SPDX-License-Identifier: AGPL3.0-or-later
+ */
+
+/**
+ * @file util/gnunet-gns-tvg.c
+ * @brief Generate test vectors for GNS.
+ * @author Martin Schanzenbach
+ */
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_signatures.h"
+#include "gnunet_gns_service.h"
+#include "gnunet_gnsrecord_lib.h"
+#include "gnunet_dnsparser_lib.h"
+#include "gnunet_testing_lib.h"
+#include <inttypes.h>
+
+#define TEST_RECORD_LABEL "test"
+#define TEST_RECORD_A "1.2.3.4"
+#define TEST_RRCOUNT 2
+
+static void
+print_record(const struct GNUNET_GNSRECORD_Data *rd)
+{
+  char *data_enc;
+  char *string_v;
+  string_v = GNUNET_GNSRECORD_value_to_string (rd->record_type,
+                                               rd->data,
+                                               rd->data_size);
+    fprintf (stdout,
+           "EXPIRATION: %"PRIu64"\n", rd->expiration_time);
+  fprintf (stdout,
+           "DATA_SIZE: %"PRIu64"\n", rd->data_size);
+  fprintf (stdout,
+           "TYPE: %d\n", rd->record_type);
+  fprintf (stdout,
+           "FLAGS: %d\n", rd->flags);
+  GNUNET_STRINGS_base64_encode (rd->data,
+                                rd->data_size,
+                                &data_enc);
+  fprintf (stdout,
+           "DATA (base64):\n%s\n",
+           data_enc);
+  fprintf (stdout,
+           "DATA (Human readable):\n%s\n\n", string_v);
+  GNUNET_free (string_v);
+
+  GNUNET_free (data_enc);
+}
+
+/**
+ * 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 cfg configuration
+ */
+static void
+run (void *cls,
+     char *const *args,
+     const char *cfgfile,
+     const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  struct GNUNET_GNSRECORD_Data rd[2];
+  struct GNUNET_TIME_Absolute exp_abs = GNUNET_TIME_absolute_get();
+  struct GNUNET_GNSRECORD_Block *rrblock;
+  char *bdata;
+  struct GNUNET_CRYPTO_EcdsaPrivateKey id_priv;
+  struct GNUNET_CRYPTO_EcdsaPublicKey id_pub;
+  struct GNUNET_CRYPTO_EcdsaPrivateKey pkey_data_p;
+  struct GNUNET_CRYPTO_EcdsaPublicKey pkey_data;
+  void *data;
+  size_t data_size;
+  char *rdata;
+  size_t rdata_size;
+
+  GNUNET_CRYPTO_ecdsa_key_create (&id_priv);
+  GNUNET_CRYPTO_ecdsa_key_get_public (&id_priv,
+                                      &id_pub);
+
+  GNUNET_CRYPTO_ecdsa_key_create (&pkey_data_p);
+  GNUNET_CRYPTO_ecdsa_key_get_public (&pkey_data_p,
+                                      &pkey_data);
+  fprintf (stdout,
+           "Label: %s\nRRCOUNT: %d\n\n", TEST_RECORD_LABEL, TEST_RRCOUNT);
+  memset (rd, 0, sizeof (struct GNUNET_GNSRECORD_Data) * 2);
+  GNUNET_assert (GNUNET_OK == GNUNET_GNSRECORD_string_to_value 
(GNUNET_DNSPARSER_TYPE_A, TEST_RECORD_A, &data, &data_size));
+  rd[0].data = data;
+  rd[0].data_size = data_size;
+  rd[0].expiration_time = exp_abs.abs_value_us;
+  rd[0].record_type = GNUNET_DNSPARSER_TYPE_A;
+  fprintf (stdout, "Record #0\n");
+  print_record (&rd[0]);
+
+  rd[1].data = &pkey_data;
+  rd[1].data_size = sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey);
+  rd[1].expiration_time = exp_abs.abs_value_us;
+  rd[1].record_type = GNUNET_GNSRECORD_TYPE_PKEY;
+  rd[1].flags = GNUNET_GNSRECORD_RF_PRIVATE;
+  fprintf (stdout, "Record #1\n");
+  print_record (&rd[1]);
+
+  rdata_size = GNUNET_GNSRECORD_records_get_size (2,
+                                                  rd);
+  rdata = GNUNET_malloc (rdata_size);
+  GNUNET_GNSRECORD_records_serialize (2,
+                                      rd,
+                                      rdata_size,
+                                      rdata);
+  char* data_enc;
+  GNUNET_STRINGS_base64_encode (rdata,
+                                rdata_size,
+                                &data_enc);
+  fprintf(stdout, "RDATA:\n%s\n\n", data_enc);
+  GNUNET_free (data_enc);
+  rrblock = GNUNET_GNSRECORD_block_create (&id_priv,
+                                         exp_abs,
+                                         TEST_RECORD_LABEL,
+                                         rd,
+                                         TEST_RRCOUNT);
+  size_t bdata_size = ntohl (rrblock->purpose.size) -
+    sizeof(struct GNUNET_CRYPTO_EccSignaturePurpose) -
+    sizeof(struct GNUNET_TIME_AbsoluteNBO);
+  size_t rrblock_size = ntohl (rrblock->purpose.size) +
+    sizeof(struct GNUNET_CRYPTO_EcdsaPublicKey) +
+    sizeof(struct GNUNET_CRYPTO_EcdsaSignature);
+
+  bdata = (char*)&rrblock[1];
+  GNUNET_STRINGS_base64_encode (bdata,
+                                bdata_size,
+                                &data_enc);
+  fprintf(stdout, "BDATA:\n%s\n\n", data_enc);
+  GNUNET_free (data_enc);
+  GNUNET_STRINGS_base64_encode (rrblock,
+                                rrblock_size,
+                                &data_enc);
+  fprintf(stdout, "RRBLOCK:\n%s\n", data_enc);
+  GNUNET_free (data_enc);
+
+}
+
+
+/**
+ * The main function of the test vector generation tool.
+ *
+ * @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)
+{
+  const struct GNUNET_GETOPT_CommandLineOption options[] = {
+    GNUNET_GETOPT_OPTION_END
+  };
+
+  GNUNET_assert (GNUNET_OK ==
+                 GNUNET_log_setup ("gnunet-gns-tvg",
+                                   "INFO",
+                                   NULL));
+  if (GNUNET_OK !=
+      GNUNET_PROGRAM_run (argc, argv,
+                          "gnunet-gns-tvg",
+                          "Generate test vectors for GNS",
+                          options,
+                          &run, NULL))
+    return 1;
+  return 0;
+}
+
+
+/* end of gnunet-gns-tvg.c */

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