gnunet-gnsrecord-tvg.c File Reference

#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>
#include "gnsrecord_crypto.h"

Include dependency graph for gnunet-gnsrecord-tvg.c:

Go to the source code of this file.

Functions
static int	parsehex (char *src, char *dst, size_t dstlen, int invert)
static void	print_bytes_ (void *buf, size_t buf_len, int fold, int in_be)
static void	print_bytes (void *buf, size_t buf_len, int fold)
static void	print_record (const struct GNUNET_GNSRECORD_Data *rd)
static void	run_pkey (struct GNUNET_GNSRECORD_Data *rd, int rd_count, const char *label)
	Main function that will be run. More...
static void	run_edkey (struct GNUNET_GNSRECORD_Data *rd, int rd_count, const char *label)
	Main function that will be run. More...
static void	run (void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
	Main function that will be run. More...
int	main (int argc, char *const *argv)
	The main function of the test vector generation tool. More...

Variables
static char *	d_pkey
static char *	d_edkey

Function Documentation

parsehex()

static int parsehex ( char *  src, char *  dst, size_t  dstlen, int  invert  )

static

Definition at line 45 of file gnunet-gnsrecord-tvg.c.

{
  char *line = src;
  char *data = line;
  int off;
  int read_byte;
  int data_len = 0;
 
  while (sscanf (data, " %02x%n", &read_byte, &off) == 1)
  {
    if (invert)
      dst[dstlen - 1 - data_len++] = read_byte;
    else
      dst[data_len++] = read_byte;
    data += off;
  }
  return data_len;
}

References data, and line.

Referenced by run_edkey(), and run_pkey().

Here is the caller graph for this function:

print_bytes_()

static void print_bytes_ ( void *  buf, size_t  buf_len, int  fold, int  in_be  )

static

Definition at line 66 of file gnunet-gnsrecord-tvg.c.

{
  int i;
 
  for (i = 0; i < buf_len; i++)
  {
    if ((0 != i) && (0 != fold) && (i % fold == 0))
      printf ("\n");
    if (in_be)
      printf ("%02x", ((unsigned char*) buf)[buf_len - 1 - i]);
    else
      printf ("%02x", ((unsigned char*) buf)[i]);
  }
  printf ("\n");
}

References buf.

Referenced by print_bytes(), and run_pkey().

Here is the caller graph for this function:

print_bytes()

static void print_bytes ( void *  buf, size_t  buf_len, int  fold  )

static

Definition at line 87 of file gnunet-gnsrecord-tvg.c.

{
  print_bytes_ (buf, buf_len, fold, 0);
}

References buf, and print_bytes_().

Referenced by print_record(), run_edkey(), and run_pkey().

Here is the call graph for this function:

Here is the caller graph for this function:

print_record()

static void print_record ( const struct GNUNET_GNSRECORD_Data *  rd )

static

Definition at line 96 of file gnunet-gnsrecord-tvg.c.

{
  uint16_t flags = htons (rd->flags);
  uint64_t abs_nbo = GNUNET_htonll (rd->expiration_time);
  uint16_t size_nbo = htons (rd->data_size);
  uint32_t type_nbo = htonl (rd->record_type);
  printf ("EXPIRATION:\n");
  print_bytes (&abs_nbo, sizeof (abs_nbo), 8);
  printf ("\nDATA_SIZE:\n");
  print_bytes (&size_nbo, sizeof (size_nbo), 8);
  printf ("\nTYPE:\n");
  print_bytes (&type_nbo, sizeof (type_nbo), 8);
  printf ("\nFLAGS: ");
  print_bytes ((void*) &flags, sizeof (flags), 8);
  printf ("\n");
  fprintf (stdout,
           "DATA:\n");
  print_bytes ((char*) rd->data, rd->data_size, 8);
  printf ("\n");
}

References GNUNET_GNSRECORD_Data::data, GNUNET_GNSRECORD_Data::data_size, GNUNET_GNSRECORD_Data::expiration_time, GNUNET_GNSRECORD_Data::flags, GNUNET_htonll(), print_bytes(), and GNUNET_GNSRECORD_Data::record_type.

Referenced by run_edkey(), and run_pkey().

Here is the call graph for this function:

Here is the caller graph for this function:

run_pkey()

static void run_pkey ( struct GNUNET_GNSRECORD_Data *  rd, int  rd_count, const char *  label  )

static

Main function that will be run.

Parameters

cls	closure
args	remaining command-line arguments
cfgfile	name of the configuration file used (for saving, can be NULL!)
cfg	configuration

Definition at line 127 of file gnunet-gnsrecord-tvg.c.

{
  struct GNUNET_TIME_Absolute expire;
  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;
  struct GNUNET_HashCode query;
  char *rdata;
  char *conv_lbl;
  size_t rdata_size;
  char ztld[128];
  unsigned char ctr[GNUNET_CRYPTO_AES_KEY_LENGTH / 2];
  unsigned char skey[GNUNET_CRYPTO_AES_KEY_LENGTH];
 
  id_priv.type = htonl (GNUNET_GNSRECORD_TYPE_PKEY);
  GNUNET_CRYPTO_ecdsa_key_create (&id_priv.ecdsa_key);
  parsehex (d_pkey,
            (char*) &id_priv.ecdsa_key,
            sizeof (id_priv.ecdsa_key), 1);
 
  GNUNET_IDENTITY_key_get_public (&id_priv,
                                  &id_pub);
  printf ("Zone private key (d, big-endian):\n");
  print_bytes_ (&id_priv.ecdsa_key,
                sizeof (struct GNUNET_CRYPTO_EcdsaPrivateKey), 8, 1);
  printf ("\n");
  printf ("Zone identifier (ztype|zkey):\n");
  GNUNET_assert (0 < GNUNET_IDENTITY_key_get_length (&id_pub));
  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));
  printf ("\n");
  printf ("zTLD:\n");
  printf ("%s\n", ztld);
  printf ("\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);
  conv_lbl = GNUNET_GNSRECORD_string_normalize (label);
  printf ("Label:\n");
  print_bytes (conv_lbl, strlen (conv_lbl), 8);
  GNUNET_free (conv_lbl);
  printf ("\nNumber of records (integer): %d\n\n", rd_count);
 
  for (int i = 0; i < rd_count; i++)
  {
    printf ("Record #%d := (\n", i);
    print_record (&rd[i]);
    printf (")\n\n");
  }
 
  rdata_size = GNUNET_GNSRECORD_records_get_size (rd_count,
                                                  rd);
  rdata = GNUNET_malloc (rdata_size);
  GNUNET_GNSRECORD_records_serialize (rd_count,
                                      rd,
                                      (size_t) rdata_size,
                                      rdata);
  printf ("RDATA:\n");
  print_bytes (rdata,
               (size_t) rdata_size,
               8);
  printf ("\n");
  expire = GNUNET_GNSRECORD_record_get_expiration_time (rd_count, rd,
                                                        GNUNET_TIME_UNIT_ZERO_ABS);
  GNR_derive_block_aes_key (ctr,
                            skey,
                            label,
                            GNUNET_TIME_absolute_hton (
                              expire).abs_value_us__,
                            &id_pub.ecdsa_key);
 
  printf ("Encryption NONCE|EXPIRATION|BLOCK COUNTER:\n");
  print_bytes (ctr, sizeof (ctr), 8);
  printf ("\n");
  printf ("Encryption key (K):\n");
  print_bytes (skey, sizeof (skey), 8);
  printf ("\n");
  GNUNET_GNSRECORD_query_from_public_key (&id_pub,
                                          label,
                                          &query);
  printf ("Storage key (q):\n");
  print_bytes (&query, sizeof (query), 8);
  printf ("\n");
  GNUNET_assert (GNUNET_OK == GNUNET_GNSRECORD_block_create (&id_priv,
                                                             expire,
                                                             label,
                                                             rd,
                                                             rd_count,
                                                             &rrblock));
  size_t bdata_size = ntohl (rrblock->size) - sizeof (struct
                                                      GNUNET_GNSRECORD_Block);
 
  bdata = (char*) &(&rrblock->ecdsa_block)[1];
  printf ("BDATA:\n");
  print_bytes (bdata, bdata_size, 8);
  printf ("\n");
  printf ("RRBLOCK:\n");
  print_bytes (rrblock, ntohl (rrblock->size), 8);
  printf ("\n");
  GNUNET_free (rdata);
}

References d_pkey, GNUNET_GNSRECORD_Block::ecdsa_block, GNUNET_IDENTITY_PrivateKey::ecdsa_key, GNUNET_IDENTITY_PublicKey::ecdsa_key, expire, GNR_derive_block_aes_key(), GNUNET_assert, GNUNET_CRYPTO_AES_KEY_LENGTH, GNUNET_CRYPTO_ecdsa_key_create(), GNUNET_free, GNUNET_GNSRECORD_block_create(), GNUNET_GNSRECORD_query_from_public_key(), GNUNET_GNSRECORD_record_get_expiration_time(), GNUNET_GNSRECORD_records_get_size(), GNUNET_GNSRECORD_records_serialize(), GNUNET_GNSRECORD_string_normalize(), GNUNET_GNSRECORD_TYPE_PKEY, GNUNET_IDENTITY_key_get_length(), GNUNET_IDENTITY_key_get_public(), GNUNET_malloc, GNUNET_OK, GNUNET_STRINGS_data_to_string(), GNUNET_TIME_absolute_hton(), GNUNET_TIME_UNIT_ZERO_ABS, parsehex(), print_bytes(), print_bytes_(), print_record(), GNUNET_GNSRECORD_Block::size, and GNUNET_IDENTITY_PrivateKey::type.

Referenced by run().

Here is the call graph for this function:

Here is the caller graph for this function:

run_edkey()

static void run_edkey ( struct GNUNET_GNSRECORD_Data *  rd, int  rd_count, const char *  label  )

static

Main function that will be run.

Parameters

cls	closure
args	remaining command-line arguments
cfgfile	name of the configuration file used (for saving, can be NULL!)
cfg	configuration

Definition at line 247 of file gnunet-gnsrecord-tvg.c.

{
  struct GNUNET_TIME_Absolute expire;
  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;
  struct GNUNET_HashCode query;
  char *rdata;
  char *conv_lbl;
  size_t rdata_size;
 
  char ztld[128];
  unsigned char nonce[crypto_secretbox_NONCEBYTES];
  unsigned char skey[crypto_secretbox_KEYBYTES];
 
  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);
 
  id_priv.type = htonl (GNUNET_IDENTITY_TYPE_EDDSA);
  GNUNET_CRYPTO_eddsa_key_create (&id_priv.eddsa_key);
  parsehex (d_edkey,
            (char*) &id_priv.eddsa_key,
            sizeof (id_priv.eddsa_key), 0);
  GNUNET_IDENTITY_key_get_public (&id_priv,
                                  &id_pub);
  fprintf (stdout,
           "Zone private key (d):\n");
  print_bytes (&id_priv.eddsa_key, sizeof (struct
                                           GNUNET_CRYPTO_EddsaPrivateKey), 8);
  printf ("\n");
  printf ("Zone identifier (ztype|zkey):\n");
  GNUNET_assert (0 < GNUNET_IDENTITY_key_get_length (&id_pub));
  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));
  printf ("\n");
  printf ("zTLD:\n");
  printf ("%s\n", ztld);
  printf ("\n");
 
  pkey_data_p.type = htonl (GNUNET_GNSRECORD_TYPE_EDKEY);
  GNUNET_CRYPTO_eddsa_key_create (&pkey_data_p.eddsa_key);
  GNUNET_IDENTITY_key_get_public (&pkey_data_p,
                                  &pkey_data);
  conv_lbl = GNUNET_GNSRECORD_string_normalize (label);
  printf ("Label:\n");
  print_bytes (conv_lbl, strlen (conv_lbl), 8);
  GNUNET_free (conv_lbl);
  fprintf (stdout,
           "\nNumber of records (integer): %d\n\n", rd_count);
 
  for (int i = 0; i < rd_count; i++)
  {
    printf ("Record #%d := (\n", i);
    print_record (&rd[i]);
    printf (")\n\n");
  }
 
  rdata_size = GNUNET_GNSRECORD_records_get_size (rd_count,
                                                  rd);
  expire = GNUNET_GNSRECORD_record_get_expiration_time (rd_count,
                                                        rd,
                                                        GNUNET_TIME_UNIT_ZERO_ABS);
  GNUNET_assert (0 < rdata_size);
  rdata = GNUNET_malloc ((size_t) rdata_size);
  GNUNET_GNSRECORD_records_serialize (rd_count,
                                      rd,
                                      (size_t) rdata_size,
                                      rdata);
  printf ("RDATA:\n");
  print_bytes (rdata,
               (size_t) rdata_size,
               8);
  printf ("\n");
  GNR_derive_block_xsalsa_key (nonce,
                               skey,
                               label,
                               GNUNET_TIME_absolute_hton (
                                 expire).abs_value_us__,
                               &id_pub.eddsa_key);
  printf ("Encryption NONCE|EXPIRATION:\n");
  print_bytes (nonce, sizeof (nonce), 8);
  printf ("\n");
  printf ("Encryption key (K):\n");
  print_bytes (skey, sizeof (skey), 8);
  printf ("\n");
  GNUNET_GNSRECORD_query_from_public_key (&id_pub,
                                          label,
                                          &query);
  printf ("Storage key (q):\n");
  print_bytes (&query, sizeof (query), 8);
  printf ("\n");
 
  GNUNET_assert (GNUNET_OK ==  GNUNET_GNSRECORD_block_create (&id_priv,
                                                              expire,
                                                              label,
                                                              rd,
                                                              rd_count,
                                                              &rrblock));
  size_t bdata_size = ntohl (rrblock->size) - sizeof (struct
                                                      GNUNET_GNSRECORD_Block);
 
  bdata = (char*) &(&rrblock->eddsa_block)[1];
  printf ("BDATA:\n");
  print_bytes (bdata, bdata_size, 8);
  printf ("\n");
  printf ("RRBLOCK:\n");
  print_bytes (rrblock, ntohl (rrblock->size), 8);
  printf ("\n");
  GNUNET_free (rdata);
}

References d_edkey, GNUNET_IDENTITY_PrivateKey::ecdsa_key, GNUNET_GNSRECORD_Block::eddsa_block, GNUNET_IDENTITY_PrivateKey::eddsa_key, GNUNET_IDENTITY_PublicKey::eddsa_key, expire, GNR_derive_block_xsalsa_key(), GNUNET_assert, GNUNET_CRYPTO_ecdsa_key_create(), GNUNET_CRYPTO_eddsa_key_create(), GNUNET_free, GNUNET_GNSRECORD_block_create(), GNUNET_GNSRECORD_query_from_public_key(), GNUNET_GNSRECORD_record_get_expiration_time(), GNUNET_GNSRECORD_records_get_size(), GNUNET_GNSRECORD_records_serialize(), GNUNET_GNSRECORD_string_normalize(), GNUNET_GNSRECORD_TYPE_EDKEY, GNUNET_GNSRECORD_TYPE_PKEY, GNUNET_IDENTITY_key_get_length(), GNUNET_IDENTITY_key_get_public(), GNUNET_IDENTITY_TYPE_EDDSA, GNUNET_malloc, GNUNET_OK, GNUNET_STRINGS_data_to_string(), GNUNET_TIME_absolute_hton(), GNUNET_TIME_UNIT_ZERO_ABS, parsehex(), print_bytes(), print_record(), GNUNET_GNSRECORD_Block::size, and GNUNET_IDENTITY_PrivateKey::type.

Referenced by run().

Here is the call graph for this function:

Here is the caller graph for this function:

run()

static void run ( void *  cls, char *const *  args, const char *  cfgfile, const struct GNUNET_CONFIGURATION_Handle *  cfg  )

static

Main function that will be run.

Parameters

cls	closure
args	remaining command-line arguments
cfgfile	name of the configuration file used (for saving, can be NULL!)
cfg	configuration

Definition at line 376 of file gnunet-gnsrecord-tvg.c.

{
  struct GNUNET_GNSRECORD_Data rd_pkey;
  struct GNUNET_GNSRECORD_Data rd[3];
  struct GNUNET_TIME_Absolute exp1;
  struct GNUNET_TIME_Absolute exp2;
  struct GNUNET_TIME_Relative exp3;
  size_t pkey_data_size;
  size_t ip_data_size;
  char *pkey_data;
  char *ip_data;
 
  /*
   * Make different expiration times
   */
  GNUNET_STRINGS_fancy_time_to_absolute ("2048-01-23 10:51:34",
                                         &exp1);
  GNUNET_STRINGS_fancy_time_to_absolute ("3540-05-22 07:55:01",
                                         &exp2);
  GNUNET_STRINGS_fancy_time_to_relative ("100y",
                                         &exp3);
 
 
  memset (&rd_pkey, 0, sizeof (struct GNUNET_GNSRECORD_Data));
  GNUNET_assert (GNUNET_OK == GNUNET_GNSRECORD_string_to_value (
                   GNUNET_GNSRECORD_TYPE_PKEY,
                   "000G0011WESGZY9VRV9NNJ66W3GKNZFZF56BFD2BQF3MHMJST2G2GKDYGG",
                   (void**) &pkey_data,
                   &pkey_data_size));
  rd_pkey.data = pkey_data;
  rd_pkey.data_size = pkey_data_size;
  rd_pkey.expiration_time = exp1.abs_value_us;
  rd_pkey.record_type = GNUNET_GNSRECORD_TYPE_PKEY;
  rd_pkey.flags = GNUNET_GNSRECORD_RF_CRITICAL;
  GNUNET_assert (GNUNET_OK == GNUNET_GNSRECORD_string_to_value (
                   GNUNET_DNSPARSER_TYPE_AAAA,
                   "::dead:beef",
                   (void**) &ip_data,
                   &ip_data_size));
 
  rd[0].data = ip_data;
  rd[0].data_size = ip_data_size;
  rd[0].expiration_time = exp1.abs_value_us;
  rd[0].record_type = GNUNET_DNSPARSER_TYPE_AAAA;
  rd[0].flags = GNUNET_GNSRECORD_RF_NONE;
 
  rd[1].data = "\u611b\u79f0";
  rd[1].data_size = strlen (rd[1].data);
  rd[1].expiration_time = exp2.abs_value_us;
  rd[1].record_type = GNUNET_GNSRECORD_TYPE_NICK;
  rd[1].flags = GNUNET_GNSRECORD_RF_PRIVATE;
 
  rd[2].data = "Hello World";
  rd[2].data_size = strlen (rd[2].data);
  rd[2].expiration_time = exp3.rel_value_us;
  rd[2].record_type = GNUNET_DNSPARSER_TYPE_TXT;
  rd[2].flags = GNUNET_GNSRECORD_RF_SUPPLEMENTAL
                | GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION;
 
  run_pkey (&rd_pkey, 1, "testdelegation");
  run_pkey (rd, 3, "\u5929\u4e0b\u7121\u6575");
  run_edkey (&rd_pkey, 1, "testdelegation");
  run_edkey (rd, 3, "\u5929\u4e0b\u7121\u6575");
}

References GNUNET_TIME_Absolute::abs_value_us, GNUNET_GNSRECORD_Data::data, data, GNUNET_GNSRECORD_Data::data_size, GNUNET_GNSRECORD_Data::expiration_time, GNUNET_GNSRECORD_Data::flags, GNUNET_assert, GNUNET_DNSPARSER_TYPE_AAAA, GNUNET_DNSPARSER_TYPE_TXT, GNUNET_GNSRECORD_RF_CRITICAL, GNUNET_GNSRECORD_RF_NONE, GNUNET_GNSRECORD_RF_PRIVATE, GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION, GNUNET_GNSRECORD_RF_SUPPLEMENTAL, GNUNET_GNSRECORD_string_to_value(), GNUNET_GNSRECORD_TYPE_NICK, GNUNET_GNSRECORD_TYPE_PKEY, GNUNET_OK, GNUNET_STRINGS_fancy_time_to_absolute(), GNUNET_STRINGS_fancy_time_to_relative(), GNUNET_GNSRECORD_Data::record_type, GNUNET_TIME_Relative::rel_value_us, run_edkey(), and run_pkey().

Referenced by main().

Here is the call graph for this function:

Here is the caller graph for this function:

main()

int main	(	int	argc,
		char *const *	argv
	)

The main function of the test vector generation tool.

Parameters

argc	number of arguments from the command line
argv	command line arguments

Returns

0 ok, 1 on error

Definition at line 453 of file gnunet-gnsrecord-tvg.c.

{
  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;
}

References GNUNET_assert, GNUNET_GETOPT_OPTION_END, GNUNET_log_setup(), GNUNET_OK, GNUNET_PROGRAM_run(), options, and run().

Here is the call graph for this function:

Variable Documentation

d_pkey

char* d_pkey

static

Initial value:

=
  "50d7b652a4efeadff37396909785e5952171a02178c8e7d450fa907925fafd98"

Definition at line 37 of file gnunet-gnsrecord-tvg.c.

Referenced by run_pkey().

d_edkey

char* d_edkey

static

Initial value:

=
  "5af7020ee19160328832352bbc6a68a8d71a7cbe1b929969a7c66d415a0d8f65"

Definition at line 40 of file gnunet-gnsrecord-tvg.c.

Referenced by run_edkey().