/*
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 .
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
#define TEST_RECORD_LABEL "test"
#define TEST_RECORD_A "1.2.3.4"
#define TEST_RRCOUNT 2
static void
print_bytes (void *buf,
size_t buf_len,
int fold)
{
int i;
for (i = 0; i < buf_len; i++)
{
if ((0 != i) && (0 != fold) && (i % fold == 0))
printf ("\n");
printf ("%02x", ((unsigned char*) buf)[i]);
}
printf ("\n");
}
static void
print_record (const struct GNUNET_GNSRECORD_Data *rd)
{
fprintf (stdout,
"EXPIRATION: %" PRIu64 "\n", rd->expiration_time);
fprintf (stdout,
"DATA_SIZE: %zu\n", rd->data_size);
fprintf (stdout,
"TYPE: %d\n", rd->record_type);
fprintf (stdout,
"FLAGS: %d\n", rd->flags);
fprintf (stdout,
"DATA:\n");
print_bytes ((char*) rd->data, rd->data_size, 8);
fprintf (stdout, "\n");
}
/**
* 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_IDENTITY_PrivateKey id_priv;
struct GNUNET_IDENTITY_PublicKey id_pub;
struct GNUNET_IDENTITY_PrivateKey pkey_data_p;
struct GNUNET_IDENTITY_PublicKey pkey_data;
void *data;
size_t data_size;
char *rdata;
size_t rdata_size;
char ztld[128];
id_priv.type = htonl (GNUNET_GNSRECORD_TYPE_PKEY);
GNUNET_CRYPTO_ecdsa_key_create (&id_priv.ecdsa_key);
GNUNET_IDENTITY_key_get_public (&id_priv,
&id_pub);
fprintf (stdout, "Zone private key (d, little-endian, with ztype prepended):\n");
print_bytes (&id_priv, GNUNET_IDENTITY_key_get_length (&id_pub), 8); //FIXME length for privkey?
fprintf (stdout, "\n");
fprintf (stdout, "Zone identifier (zid):\n");
print_bytes (&id_pub, GNUNET_IDENTITY_key_get_length (&id_pub), 8);
GNUNET_STRINGS_data_to_string (&id_pub,
GNUNET_IDENTITY_key_get_length (&id_pub),
ztld,
sizeof (ztld));
fprintf (stdout, "\n");
fprintf (stdout, "Encoded zone identifier (zkl = zTLD):\n");
fprintf (stdout, "%s\n", ztld);
fprintf (stdout, "\n");
pkey_data_p.type = htonl (GNUNET_GNSRECORD_TYPE_PKEY);
GNUNET_CRYPTO_ecdsa_key_create (&pkey_data_p.ecdsa_key);
GNUNET_IDENTITY_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);
fprintf (stdout, "RDATA:\n");
print_bytes (rdata, rdata_size, 8);
fprintf (stdout, "\n");
rrblock = GNUNET_GNSRECORD_block_create (&id_priv,
exp_abs,
TEST_RECORD_LABEL,
rd,
TEST_RRCOUNT);
size_t bdata_size = ntohl (rrblock->ecdsa_block.purpose.size)
- sizeof(struct GNUNET_CRYPTO_EccSignaturePurpose)
- sizeof(struct GNUNET_TIME_AbsoluteNBO);
size_t ecblock_size = ntohl (rrblock->ecdsa_block.purpose.size)
+ sizeof(struct GNUNET_CRYPTO_EcdsaPublicKey)
+ sizeof(struct GNUNET_CRYPTO_EcdsaSignature);
size_t block_size = ecblock_size + sizeof (uint32_t);
bdata = (char*) &(&rrblock->ecdsa_block)[1];
fprintf (stdout, "BDATA:\n");
print_bytes (bdata, bdata_size, 8);
fprintf (stdout, "\n");
fprintf (stdout, "RRBLOCK:\n");
print_bytes (rrblock, block_size, 8);
fprintf (stdout, "\n");
GNUNET_free (rdata);
}
/**
* 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 */