GNUnet  0.11.x
gnunet-gnsrecord-tvg.c
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1 /*
2  This file is part of GNUnet.
3  Copyright (C) 2020 GNUnet e.V.
4 
5  GNUnet is free software: you can redistribute it and/or modify it
6  under the terms of the GNU Affero General Public License as published
7  by the Free Software Foundation, either version 3 of the License,
8  or (at your option) any later version.
9 
10  GNUnet is distributed in the hope that it will be useful, but
11  WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  Affero General Public License for more details.
14 
15  You should have received a copy of the GNU Affero General Public License
16  along with this program. If not, see <http://www.gnu.org/licenses/>.
17 
18  SPDX-License-Identifier: AGPL3.0-or-later
19  */
20 
26 #include "platform.h"
27 #include "gnunet_util_lib.h"
28 #include "gnunet_signatures.h"
29 #include "gnunet_gns_service.h"
30 #include "gnunet_gnsrecord_lib.h"
31 #include "gnunet_dnsparser_lib.h"
32 #include "gnunet_testing_lib.h"
33 #include <inttypes.h>
34 
35 #define TEST_RECORD_LABEL "test"
36 #define TEST_RECORD_A "1.2.3.4"
37 #define TEST_RRCOUNT 2
38 
39 static void
41  size_t buf_len,
42  int fold)
43 {
44  int i;
45 
46  for (i = 0; i < buf_len; i++)
47  {
48  if ((0 != i) && (0 != fold) && (i % fold == 0))
49  printf ("\n");
50  printf ("%02x", ((unsigned char*) buf)[i]);
51  }
52  printf ("\n");
53 }
54 
55 
56 static void
58 {
59 
60  fprintf (stdout,
61  "EXPIRATION: %" PRIu64 "\n", rd->expiration_time);
62  fprintf (stdout,
63  "DATA_SIZE: %zu\n", rd->data_size);
64  fprintf (stdout,
65  "TYPE: %d\n", rd->record_type);
66  fprintf (stdout,
67  "FLAGS: %d\n", rd->flags);
68  fprintf (stdout,
69  "DATA:\n");
70  print_bytes ((char*) rd->data, rd->data_size, 8);
71  fprintf (stdout, "\n");
72 }
73 
74 
83 static void
84 run_pkey (void)
85 {
86  struct GNUNET_GNSRECORD_Data rd[2];
88  struct GNUNET_GNSRECORD_Block *rrblock;
89  char *bdata;
90  struct GNUNET_IDENTITY_PrivateKey id_priv;
91  struct GNUNET_IDENTITY_PublicKey id_pub;
92  struct GNUNET_IDENTITY_PrivateKey pkey_data_p;
93  struct GNUNET_IDENTITY_PublicKey pkey_data;
94  void *data;
95  size_t data_size;
96  char *rdata;
97  size_t rdata_size;
98  char ztld[128];
99 
100  id_priv.type = htonl (GNUNET_GNSRECORD_TYPE_PKEY);
103  &id_pub);
104  fprintf (stdout,
105  "Zone private key (d, little-endian, with ztype prepended):\n");
106  print_bytes (&id_priv, GNUNET_IDENTITY_key_get_length (&id_pub), 8); // FIXME length for privkey?
107  fprintf (stdout, "\n");
108  fprintf (stdout, "Zone identifier (zid):\n");
109  print_bytes (&id_pub, GNUNET_IDENTITY_key_get_length (&id_pub), 8);
112  ztld,
113  sizeof (ztld));
114  fprintf (stdout, "\n");
115  fprintf (stdout, "Encoded zone identifier (zkl = zTLD):\n");
116  fprintf (stdout, "%s\n", ztld);
117  fprintf (stdout, "\n");
118 
119  pkey_data_p.type = htonl (GNUNET_GNSRECORD_TYPE_PKEY);
121  GNUNET_IDENTITY_key_get_public (&pkey_data_p,
122  &pkey_data);
123  fprintf (stdout,
124  "Label: %s\nRRCOUNT: %d\n\n", TEST_RECORD_LABEL, TEST_RRCOUNT);
125  memset (rd, 0, sizeof (struct GNUNET_GNSRECORD_Data) * 2);
127  GNUNET_DNSPARSER_TYPE_A, TEST_RECORD_A, &data, &data_size));
128  rd[0].data = data;
129  rd[0].data_size = data_size;
130  rd[0].expiration_time = exp_abs.abs_value_us;
132  fprintf (stdout, "Record #0\n");
133  print_record (&rd[0]);
134 
135  rd[1].data = &pkey_data;
136  rd[1].data_size = sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey);
137  rd[1].expiration_time = exp_abs.abs_value_us;
140  fprintf (stdout, "Record #1\n");
141  print_record (&rd[1]);
142 
143  rdata_size = GNUNET_GNSRECORD_records_get_size (2,
144  rd);
145  rdata = GNUNET_malloc (rdata_size);
147  rd,
148  rdata_size,
149  rdata);
150  fprintf (stdout, "RDATA:\n");
151  print_bytes (rdata, rdata_size, 8);
152  fprintf (stdout, "\n");
153  rrblock = GNUNET_GNSRECORD_block_create (&id_priv,
154  exp_abs,
156  rd,
157  TEST_RRCOUNT);
158  size_t bdata_size = ntohl (rrblock->ecdsa_block.purpose.size)
159  - sizeof(struct GNUNET_CRYPTO_EccSignaturePurpose)
160  - sizeof(struct GNUNET_TIME_AbsoluteNBO);
161  size_t ecblock_size = ntohl (rrblock->ecdsa_block.purpose.size)
162  + sizeof(struct GNUNET_CRYPTO_EcdsaPublicKey)
163  + sizeof(struct GNUNET_CRYPTO_EcdsaSignature);
164  size_t block_size = ecblock_size + sizeof (uint32_t);
165 
166  bdata = (char*) &(&rrblock->ecdsa_block)[1];
167  fprintf (stdout, "BDATA:\n");
168  print_bytes (bdata, bdata_size, 8);
169  fprintf (stdout, "\n");
170  fprintf (stdout, "RRBLOCK:\n");
171  print_bytes (rrblock, block_size, 8);
172  fprintf (stdout, "\n");
173  GNUNET_free (rdata);
174 }
175 
176 
185 static void
186 run_edkey (void)
187 {
188  struct GNUNET_GNSRECORD_Data rd[2];
190  struct GNUNET_GNSRECORD_Block *rrblock;
191  char *bdata;
192  struct GNUNET_IDENTITY_PrivateKey id_priv;
193  struct GNUNET_IDENTITY_PublicKey id_pub;
194  struct GNUNET_IDENTITY_PrivateKey pkey_data_p;
195  struct GNUNET_IDENTITY_PublicKey pkey_data;
196  void *data;
197  size_t data_size;
198  char *rdata;
199  size_t rdata_size;
200  char ztld[128];
201 
202  id_priv.type = htonl (GNUNET_IDENTITY_TYPE_EDDSA);
205  &id_pub);
206  fprintf (stdout,
207  "Zone private key (d, little-endian, with ztype prepended):\n");
208  print_bytes (&id_priv, GNUNET_IDENTITY_key_get_length (&id_pub), 8); // FIXME length for privkey?
209  fprintf (stdout, "\n");
210  fprintf (stdout, "Zone identifier (zid):\n");
211  print_bytes (&id_pub, GNUNET_IDENTITY_key_get_length (&id_pub), 8);
214  ztld,
215  sizeof (ztld));
216  fprintf (stdout, "\n");
217  fprintf (stdout, "Encoded zone identifier (zkl = zTLD):\n");
218  fprintf (stdout, "%s\n", ztld);
219  fprintf (stdout, "\n");
220 
221  pkey_data_p.type = htonl (GNUNET_GNSRECORD_TYPE_EDKEY);
223  GNUNET_IDENTITY_key_get_public (&pkey_data_p,
224  &pkey_data);
225  fprintf (stdout,
226  "Label: %s\nRRCOUNT: %d\n\n", TEST_RECORD_LABEL, TEST_RRCOUNT);
227  memset (rd, 0, sizeof (struct GNUNET_GNSRECORD_Data) * 2);
229  GNUNET_DNSPARSER_TYPE_A, TEST_RECORD_A, &data, &data_size));
230  rd[0].data = data;
231  rd[0].data_size = data_size;
232  rd[0].expiration_time = exp_abs.abs_value_us;
234  fprintf (stdout, "Record #0\n");
235  print_record (&rd[0]);
236 
237  rd[1].data = &pkey_data;
238  rd[1].data_size = sizeof (struct GNUNET_CRYPTO_EddsaPublicKey);
239  rd[1].expiration_time = exp_abs.abs_value_us;
242  fprintf (stdout, "Record #1\n");
243  print_record (&rd[1]);
244 
245  rdata_size = GNUNET_GNSRECORD_records_get_size (2,
246  rd);
247  rdata = GNUNET_malloc (rdata_size);
249  rd,
250  rdata_size,
251  rdata);
252  fprintf (stdout, "RDATA:\n");
253  print_bytes (rdata, rdata_size, 8);
254  fprintf (stdout, "\n");
255  rrblock = GNUNET_GNSRECORD_block_create (&id_priv,
256  exp_abs,
258  rd,
259  TEST_RRCOUNT);
260  size_t bdata_size = ntohl (rrblock->eddsa_block.purpose.size)
261  - sizeof(struct GNUNET_CRYPTO_EccSignaturePurpose)
262  - sizeof(struct GNUNET_TIME_AbsoluteNBO);
263  size_t ecblock_size = ntohl (rrblock->eddsa_block.purpose.size)
264  + sizeof(struct GNUNET_CRYPTO_EddsaPublicKey)
265  + sizeof(struct GNUNET_CRYPTO_EddsaSignature);
266  size_t block_size = ecblock_size + sizeof (uint32_t);
267 
268  bdata = (char*) &(&rrblock->eddsa_block)[1];
269  fprintf (stdout, "BDATA:\n");
270  print_bytes (bdata, bdata_size, 8);
271  fprintf (stdout, "\n");
272  fprintf (stdout, "RRBLOCK:\n");
273  print_bytes (rrblock, block_size, 8);
274  fprintf (stdout, "\n");
275  GNUNET_free (rdata);
276 }
277 
278 
287 static void
288 run (void *cls,
289  char *const *args,
290  const char *cfgfile,
291  const struct GNUNET_CONFIGURATION_Handle *cfg)
292 {
293  run_pkey();
294  run_edkey();
295 }
296 
297 
305 int
306 main (int argc,
307  char *const *argv)
308 {
309  const struct GNUNET_GETOPT_CommandLineOption options[] = {
311  };
312 
314  GNUNET_log_setup ("gnunet-gns-tvg",
315  "INFO",
316  NULL));
317  if (GNUNET_OK !=
318  GNUNET_PROGRAM_run (argc, argv,
319  "gnunet-gns-tvg",
320  "Generate test vectors for GNS",
321  options,
322  &run, NULL))
323  return 1;
324  return 0;
325 }
326 
327 
328 /* end of gnunet-gns-tvg.c */
#define GNUNET_GNSRECORD_TYPE_PKEY
WARNING: This header is generated! In order to add GNS record types, you must register them in GANA...
GNUNET_NETWORK_STRUCT_END ssize_t GNUNET_GNSRECORD_records_get_size(unsigned int rd_count, const struct GNUNET_GNSRECORD_Data *rd)
Calculate how many bytes we will need to serialize the given records.
enum GNUNET_GenericReturnValue GNUNET_PROGRAM_run(int argc, char *const *argv, const char *binaryName, const char *binaryHelp, const struct GNUNET_GETOPT_CommandLineOption *options, GNUNET_PROGRAM_Main task, void *task_cls)
Run a standard GNUnet command startup sequence (initialize loggers and configuration, parse options).
Definition: program.c:360
static const struct GNUNET_CONFIGURATION_Handle * cfg
Configuration we are using.
Definition: gnunet-abd.c:36
struct GNUNET_GNSRECORD_EddsaBlock eddsa_block
struct GNUNET_GNSRECORD_EcdsaBlock ecdsa_block
ssize_t GNUNET_GNSRECORD_records_serialize(unsigned int rd_count, const struct GNUNET_GNSRECORD_Data *rd, size_t dest_size, char *dest)
Serialize the given records to the given destination buffer.
static size_t data_size
Number of bytes in data.
Definition: gnunet-abd.c:187
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
ssize_t GNUNET_IDENTITY_key_get_length(const struct GNUNET_IDENTITY_PublicKey *key)
Get the compacted length of a GNUNET_IDENTITY_PublicKey.
Definition: identity_api.c:976
static void print_record(const struct GNUNET_GNSRECORD_Data *rd)
A private key for an identity as per LSD0001.
size_t data_size
Number of bytes in data.
#define TEST_RRCOUNT
Definition of a command line option.
struct GNUNET_CRYPTO_EccSignaturePurpose purpose
Number of bytes signed; also specifies the number of bytes of encrypted data that follow...
uint64_t abs_value_us
The actual value.
struct GNUNET_GNSRECORD_Block * GNUNET_GNSRECORD_block_create(const struct GNUNET_IDENTITY_PrivateKey *key, struct GNUNET_TIME_Absolute expire, const char *label, const struct GNUNET_GNSRECORD_Data *rd, unsigned int rd_count)
Sign name and records.
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_OPTION_END
Definition: 002.c:13
header of what an ECC signature signs this must be followed by "size - 8" bytes of the actual signed ...
struct GNUNET_CRYPTO_EccSignaturePurpose purpose
Number of bytes signed; also specifies the number of bytes of encrypted data that follow...
struct GNUNET_CRYPTO_EcdsaPrivateKey ecdsa_key
An ECDSA identity key.
static void print_bytes(void *buf, size_t buf_len, int fold)
const void * data
Binary value stored in the DNS record.
uint64_t expiration_time
Expiration time for the DNS record.
static char buf[2048]
enum GNUNET_GenericReturnValue GNUNET_IDENTITY_key_get_public(const struct GNUNET_IDENTITY_PrivateKey *privkey, struct GNUNET_IDENTITY_PublicKey *key)
Retrieves the public key representation of a private key.
Definition: identity_api.c:175
This is a private record of this peer and it should thus not be handed out to other peers...
uint32_t size
How many bytes does this signature sign? (including this purpose header); in network byte order (!)...
#define TEST_RECORD_LABEL
int GNUNET_GNSRECORD_string_to_value(uint32_t type, const char *s, void **data, size_t *data_size)
Convert human-readable version of a &#39;value&#39; of a record to the binary representation.
Definition: gnsrecord.c:188
struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_get(void)
Get the current time.
Definition: time.c:86
static void run(void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
Main function that will be run.
#define TEST_RECORD_A
void GNUNET_CRYPTO_eddsa_key_create(struct GNUNET_CRYPTO_EddsaPrivateKey *pk)
Create a new private key.
Definition: crypto_ecc.c:461
uint32_t type
Type of public key.
An identity key as per LSD0001.
uint32_t record_type
Type of the GNS/DNS record.
configuration data
static void run_edkey(void)
Main function that will be run.
void GNUNET_CRYPTO_ecdsa_key_create(struct GNUNET_CRYPTO_EcdsaPrivateKey *pk)
Create a new private key.
Definition: crypto_ecc.c:446
Public ECC key (always for Curve25519) encoded in a format suitable for network transmission and ECDS...
Time for absolute times used by GNUnet, in microseconds.
enum GNUNET_GNSRECORD_Flags flags
Flags for the record.
#define GNUNET_GNSRECORD_TYPE_EDKEY
Record type for EDKEY zone delegations.
int GNUNET_log_setup(const char *comp, const char *loglevel, const char *logfile)
Setup logging.
struct GNUNET_CRYPTO_EddsaPrivateKey eddsa_key
AN EdDSA identtiy key.
uint32_t data
The data value.
int main(int argc, char *const *argv)
The main function of the test vector generation tool.
#define GNUNET_DNSPARSER_TYPE_A
#define GNUNET_malloc(size)
Wrapper around malloc.
char * GNUNET_STRINGS_data_to_string(const void *data, size_t size, char *out, size_t out_size)
Convert binary data to ASCII encoding using CrockfordBase32.
Definition: strings.c:695
#define GNUNET_free(ptr)
Wrapper around free.
static void run_pkey(void)
Main function that will be run.
Public ECC key (always for curve Ed25519) encoded in a format suitable for network transmission and E...