src/test/rend_test_helpers.c

   1 /* Copyright (c) 2014-2015, The Tor Project, Inc. */
   2 /* See LICENSE for licensing information */
   3
   4 #include "or.h"
   5 #include "test.h"
   6 #include "rendcommon.h"
   7 #include "rend_test_helpers.h"
   8
   9 void
  10 generate_desc(int time_diff, rend_encoded_v2_service_descriptor_t **desc,
  11               char **service_id, int intro_points)
  12 {
  13   rend_service_descriptor_t *generated = NULL;
  14   smartlist_t *descs = smartlist_new();
  15   time_t now;
  16
  17   now = time(NULL) + time_diff;
  18   create_descriptor(&generated, service_id, intro_points);
  19   generated->timestamp = now;
  20
  21   rend_encode_v2_descriptors(descs, generated, now, 0, REND_NO_AUTH, NULL,
  22                              NULL);
  23   tor_assert(smartlist_len(descs) > 1);
  24   *desc = smartlist_get(descs, 0);
  25   smartlist_set(descs, 0, NULL);
  26
  27   SMARTLIST_FOREACH(descs, rend_encoded_v2_service_descriptor_t *, d,
  28                     rend_encoded_v2_service_descriptor_free(d));
  29   smartlist_free(descs);
  30   rend_service_descriptor_free(generated);
  31 }
  32
  33 void
  34 create_descriptor(rend_service_descriptor_t **generated, char **service_id,
  35                   int intro_points)
  36 {
  37   crypto_pk_t *pk1 = NULL;
  38   crypto_pk_t *pk2 = NULL;
  39   int i;
  40
  41   *service_id = tor_malloc(REND_SERVICE_ID_LEN_BASE32+1);
  42   pk1 = pk_generate(0);
  43   pk2 = pk_generate(1);
  44
  45   *generated = tor_malloc_zero(sizeof(rend_service_descriptor_t));
  46   (*generated)->pk = crypto_pk_dup_key(pk1);
  47   rend_get_service_id((*generated)->pk, *service_id);
  48
  49   (*generated)->version = 2;
  50   (*generated)->protocols = 42;
  51   (*generated)->intro_nodes = smartlist_new();
  52
  53   for (i = 0; i < intro_points; i++) {
  54     rend_intro_point_t *intro = tor_malloc_zero(sizeof(rend_intro_point_t));
  55     crypto_pk_t *okey = pk_generate(2 + i);
  56     intro->extend_info = tor_malloc_zero(sizeof(extend_info_t));
  57     intro->extend_info->onion_key = okey;
  58     crypto_pk_get_digest(intro->extend_info->onion_key,
  59                          intro->extend_info->identity_digest);
  60     intro->extend_info->nickname[0] = '$';
  61     base16_encode(intro->extend_info->nickname + 1,
  62                   sizeof(intro->extend_info->nickname) - 1,
  63                   intro->extend_info->identity_digest, DIGEST_LEN);
  64     tor_addr_from_ipv4h(&intro->extend_info->addr, crypto_rand_int(65536));
  65     intro->extend_info->port = 1 + crypto_rand_int(65535);
  66     intro->intro_key = crypto_pk_dup_key(pk2);
  67     smartlist_add((*generated)->intro_nodes, intro);
  68   }
  69
  70   crypto_pk_free(pk1);
  71   crypto_pk_free(pk2);
  72 }
  73