src/test/test_microdesc.c

   1 /* Copyright (c) 2010-2017, The Tor Project, Inc. */
   2 /* See LICENSE for licensing information */
   3
   4 #include "orconfig.h"
   5 #include "or.h"
   6
   7 #include "config.h"
   8 #define DIRVOTE_PRIVATE
   9 #include "dirauth/dirvote.h"
  10 #include "microdesc.h"
  11 #include "networkstatus.h"
  12 #include "routerlist.h"
  13 #include "routerparse.h"
  14 #include "torcert.h"
  15
  16 #include "test.h"
  17
  18 #ifdef _WIN32
  19 /* For mkdir() */
  20 #include <direct.h>
  21 #else
  22 #include <dirent.h>
  23 #endif /* defined(_WIN32) */
  24
  25 static const char test_md1[] =
  26   "onion-key\n"
  27   "-----BEGIN RSA PUBLIC KEY-----\n"
  28   "MIGJAoGBAMjlHH/daN43cSVRaHBwgUfnszzAhg98EvivJ9Qxfv51mvQUxPjQ07es\n"
  29   "gV/3n8fyh3Kqr/ehi9jxkdgSRfSnmF7giaHL1SLZ29kA7KtST+pBvmTpDtHa3ykX\n"
  30   "Xorc7hJvIyTZoc1HU+5XSynj3gsBE5IGK1ZRzrNS688LnuZMVp1tAgMBAAE=\n"
  31   "-----END RSA PUBLIC KEY-----\n";
  32
  33 static const char test_md2[] =
  34   "onion-key\n"
  35   "-----BEGIN RSA PUBLIC KEY-----\n"
  36   "MIGJAoGBAMIixIowh2DyPmDNMDwBX2DHcYcqdcH1zdIQJZkyV6c6rQHnvbcaDoSg\n"
  37   "jgFSLJKpnGmh71FVRqep+yVB0zI1JY43kuEnXry2HbZCD9UDo3d3n7t015X5S7ON\n"
  38   "bSSYtQGPwOr6Epf96IF6DoQxy4iDnPUAlejuhAG51s1y6/rZQ3zxAgMBAAE=\n"
  39   "-----END RSA PUBLIC KEY-----\n";
  40
  41 static const char test_md3[] =
  42   "@last-listed 2009-06-22\n"
  43   "onion-key\n"
  44   "-----BEGIN RSA PUBLIC KEY-----\n"
  45   "MIGJAoGBAMH3340d4ENNGrqx7UxT+lB7x6DNUKOdPEOn4teceE11xlMyZ9TPv41c\n"
  46   "qj2fRZzfxlc88G/tmiaHshmdtEpklZ740OFqaaJVj4LjPMKFNE+J7Xc1142BE9Ci\n"
  47   "KgsbjGYe2RY261aADRWLetJ8T9QDMm+JngL4288hc8pq1uB/3TAbAgMBAAE=\n"
  48   "-----END RSA PUBLIC KEY-----\n"
  49   "p accept 1-700,800-1000\n"
  50   "family nodeX nodeY nodeZ\n";
  51
  52 static void
  53 test_md_cache(void *data)
  54 {
  55   or_options_t *options = NULL;
  56   microdesc_cache_t *mc = NULL ;
  57   smartlist_t *added = NULL, *wanted = NULL;
  58   microdesc_t *md1, *md2, *md3;
  59   char d1[DIGEST256_LEN], d2[DIGEST256_LEN], d3[DIGEST256_LEN];
  60   const char *test_md3_noannotation = strchr(test_md3, '\n')+1;
  61   time_t time1, time2, time3;
  62   char *fn = NULL, *s = NULL;
  63   (void)data;
  64
  65   options = get_options_mutable();
  66   tt_assert(options);
  67
  68   time1 = time(NULL);
  69   time2 = time(NULL) - 2*24*60*60;
  70   time3 = time(NULL) - 15*24*60*60;
  71
  72   /* Possibly, turn this into a test setup/cleanup pair */
  73   tor_free(options->CacheDirectory);
  74   options->CacheDirectory = tor_strdup(get_fname("md_datadir_test"));
  75 #ifdef _WIN32
  76   tt_int_op(0, OP_EQ, mkdir(options->CacheDirectory));
  77 #else
  78   tt_int_op(0, OP_EQ, mkdir(options->CacheDirectory, 0700));
  79 #endif
  80
  81   tt_assert(!strcmpstart(test_md3_noannotation, "onion-key"));
  82
  83   crypto_digest256(d1, test_md1, strlen(test_md1), DIGEST_SHA256);
  84   crypto_digest256(d2, test_md2, strlen(test_md1), DIGEST_SHA256);
  85   crypto_digest256(d3, test_md3_noannotation, strlen(test_md3_noannotation),
  86                    DIGEST_SHA256);
  87
  88   mc = get_microdesc_cache();
  89
  90   added = microdescs_add_to_cache(mc, test_md1, NULL, SAVED_NOWHERE, 0,
  91                                   time1, NULL);
  92   tt_int_op(1, OP_EQ, smartlist_len(added));
  93   md1 = smartlist_get(added, 0);
  94   smartlist_free(added);
  95   added = NULL;
  96
  97   wanted = smartlist_new();
  98   added = microdescs_add_to_cache(mc, test_md2, NULL, SAVED_NOWHERE, 0,
  99                                   time2, wanted);
 100   /* Should fail, since we didn't list test_md2's digest in wanted */
 101   tt_int_op(0, OP_EQ, smartlist_len(added));
 102   smartlist_free(added);
 103   added = NULL;
 104
 105   smartlist_add(wanted, tor_memdup(d2, DIGEST256_LEN));
 106   smartlist_add(wanted, tor_memdup(d3, DIGEST256_LEN));
 107   added = microdescs_add_to_cache(mc, test_md2, NULL, SAVED_NOWHERE, 0,
 108                                   time2, wanted);
 109   /* Now it can work. md2 should have been added */
 110   tt_int_op(1, OP_EQ, smartlist_len(added));
 111   md2 = smartlist_get(added, 0);
 112   /* And it should have gotten removed from 'wanted' */
 113   tt_int_op(smartlist_len(wanted), OP_EQ, 1);
 114   tt_mem_op(smartlist_get(wanted, 0), OP_EQ, d3, DIGEST256_LEN);
 115   smartlist_free(added);
 116   added = NULL;
 117
 118   added = microdescs_add_to_cache(mc, test_md3, NULL,
 119                                   SAVED_NOWHERE, 0, -1, NULL);
 120   /* Must fail, since SAVED_NOWHERE precludes annotations */
 121   tt_int_op(0, OP_EQ, smartlist_len(added));
 122   smartlist_free(added);
 123   added = NULL;
 124
 125   added = microdescs_add_to_cache(mc, test_md3_noannotation, NULL,
 126                                   SAVED_NOWHERE, 0, time3, NULL);
 127   /* Now it can work */
 128   tt_int_op(1, OP_EQ, smartlist_len(added));
 129   md3 = smartlist_get(added, 0);
 130   smartlist_free(added);
 131   added = NULL;
 132
 133   /* Okay.  We added 1...3.  Let's poke them to see how they look, and make
 134    * sure they're really in the journal. */
 135   tt_ptr_op(md1, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d1));
 136   tt_ptr_op(md2, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d2));
 137   tt_ptr_op(md3, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d3));
 138
 139   tt_int_op(md1->last_listed, OP_EQ, time1);
 140   tt_int_op(md2->last_listed, OP_EQ, time2);
 141   tt_int_op(md3->last_listed, OP_EQ, time3);
 142
 143   tt_int_op(md1->saved_location, OP_EQ, SAVED_IN_JOURNAL);
 144   tt_int_op(md2->saved_location, OP_EQ, SAVED_IN_JOURNAL);
 145   tt_int_op(md3->saved_location, OP_EQ, SAVED_IN_JOURNAL);
 146
 147   tt_int_op(md1->bodylen, OP_EQ, strlen(test_md1));
 148   tt_int_op(md2->bodylen, OP_EQ, strlen(test_md2));
 149   tt_int_op(md3->bodylen, OP_EQ, strlen(test_md3_noannotation));
 150   tt_mem_op(md1->body, OP_EQ, test_md1, strlen(test_md1));
 151   tt_mem_op(md2->body, OP_EQ, test_md2, strlen(test_md2));
 152   tt_mem_op(md3->body, OP_EQ, test_md3_noannotation,
 153               strlen(test_md3_noannotation));
 154
 155   tor_asprintf(&fn, "%s"PATH_SEPARATOR"cached-microdescs.new",
 156                options->CacheDirectory);
 157   s = read_file_to_str(fn, RFTS_BIN, NULL);
 158   tt_assert(s);
 159   tt_mem_op(md1->body, OP_EQ, s + md1->off, md1->bodylen);
 160   tt_mem_op(md2->body, OP_EQ, s + md2->off, md2->bodylen);
 161   tt_mem_op(md3->body, OP_EQ, s + md3->off, md3->bodylen);
 162
 163   tt_ptr_op(md1->family, OP_EQ, NULL);
 164   tt_ptr_op(md3->family, OP_NE, NULL);
 165   tt_int_op(smartlist_len(md3->family), OP_EQ, 3);
 166   tt_str_op(smartlist_get(md3->family, 0), OP_EQ, "nodeX");
 167
 168   /* Now rebuild the cache! */
 169   tt_int_op(microdesc_cache_rebuild(mc, 1), OP_EQ, 0);
 170
 171   tt_int_op(md1->saved_location, OP_EQ, SAVED_IN_CACHE);
 172   tt_int_op(md2->saved_location, OP_EQ, SAVED_IN_CACHE);
 173   tt_int_op(md3->saved_location, OP_EQ, SAVED_IN_CACHE);
 174
 175   /* The journal should be empty now */
 176   tor_free(s);
 177   s = read_file_to_str(fn, RFTS_BIN, NULL);
 178   tt_str_op(s, OP_EQ, "");
 179   tor_free(s);
 180   tor_free(fn);
 181
 182   /* read the cache. */
 183   tor_asprintf(&fn, "%s"PATH_SEPARATOR"cached-microdescs",
 184                options->CacheDirectory);
 185   s = read_file_to_str(fn, RFTS_BIN, NULL);
 186   tt_mem_op(md1->body, OP_EQ, s + md1->off, strlen(test_md1));
 187   tt_mem_op(md2->body, OP_EQ, s + md2->off, strlen(test_md2));
 188   tt_mem_op(md3->body, OP_EQ, s + md3->off, strlen(test_md3_noannotation));
 189
 190   /* Okay, now we are going to forget about the cache entirely, and reload it
 191    * from the disk. */
 192   microdesc_free_all();
 193   mc = get_microdesc_cache();
 194   md1 = microdesc_cache_lookup_by_digest256(mc, d1);
 195   md2 = microdesc_cache_lookup_by_digest256(mc, d2);
 196   md3 = microdesc_cache_lookup_by_digest256(mc, d3);
 197   tt_assert(md1);
 198   tt_assert(md2);
 199   tt_assert(md3);
 200   tt_mem_op(md1->body, OP_EQ, s + md1->off, strlen(test_md1));
 201   tt_mem_op(md2->body, OP_EQ, s + md2->off, strlen(test_md2));
 202   tt_mem_op(md3->body, OP_EQ, s + md3->off, strlen(test_md3_noannotation));
 203
 204   tt_int_op(md1->last_listed, OP_EQ, time1);
 205   tt_int_op(md2->last_listed, OP_EQ, time2);
 206   tt_int_op(md3->last_listed, OP_EQ, time3);
 207
 208   /* Okay, now we are going to clear out everything older than a week old.
 209    * In practice, that means md3 */
 210   microdesc_cache_clean(mc, time(NULL)-7*24*60*60, 1/*force*/);
 211   tt_ptr_op(md1, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d1));
 212   tt_ptr_op(md2, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d2));
 213   tt_ptr_op(NULL, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d3));
 214   md3 = NULL; /* it's history now! */
 215
 216   /* rebuild again, make sure it stays gone. */
 217   tt_int_op(microdesc_cache_rebuild(mc, 1), OP_EQ, 0);
 218   tt_ptr_op(md1, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d1));
 219   tt_ptr_op(md2, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d2));
 220   tt_ptr_op(NULL, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d3));
 221
 222   /* Re-add md3, and make sure we can rebuild the cache. */
 223   added = microdescs_add_to_cache(mc, test_md3_noannotation, NULL,
 224                                   SAVED_NOWHERE, 0, time3, NULL);
 225   tt_int_op(1, OP_EQ, smartlist_len(added));
 226   md3 = smartlist_get(added, 0);
 227   smartlist_free(added);
 228   added = NULL;
 229   tt_int_op(md1->saved_location, OP_EQ, SAVED_IN_CACHE);
 230   tt_int_op(md2->saved_location, OP_EQ, SAVED_IN_CACHE);
 231   tt_int_op(md3->saved_location, OP_EQ, SAVED_IN_JOURNAL);
 232
 233   tt_int_op(microdesc_cache_rebuild(mc, 1), OP_EQ, 0);
 234   tt_int_op(md3->saved_location, OP_EQ, SAVED_IN_CACHE);
 235
 236  done:
 237   if (options)
 238     tor_free(options->CacheDirectory);
 239   microdesc_free_all();
 240
 241   smartlist_free(added);
 242   if (wanted)
 243     SMARTLIST_FOREACH(wanted, char *, cp, tor_free(cp));
 244   smartlist_free(wanted);
 245   tor_free(s);
 246   tor_free(fn);
 247 }
 248
 249 static const char truncated_md[] =
 250   "@last-listed 2013-08-08 19:02:59\n"
 251   "onion-key\n"
 252   "-----BEGIN RSA PUBLIC KEY-----\n"
 253   "MIGJAoGBAM91vLFNaM+gGhnRIdz2Cm/Kl7Xz0cOobIdVzhS3cKUJfk867hCuTipS\n"
 254   "NveLBzNopvgXKruAAzEj3cACxk6Q8lv5UWOGCD1UolkgsWSE62RBjap44g+oc9J1\n"
 255   "RI9968xOTZw0VaBQg9giEILNXl0djoikQ+5tQRUvLDDa67gpa5Q1AgMBAAE=\n"
 256   "-----END RSA PUBLIC KEY-----\n"
 257   "family @\n";
 258
 259 static void
 260 test_md_cache_broken(void *data)
 261 {
 262   or_options_t *options;
 263   char *fn=NULL;
 264   microdesc_cache_t *mc = NULL;
 265
 266   (void)data;
 267
 268   options = get_options_mutable();
 269   tt_assert(options);
 270   tor_free(options->CacheDirectory);
 271   options->CacheDirectory = tor_strdup(get_fname("md_datadir_test2"));
 272
 273 #ifdef _WIN32
 274   tt_int_op(0, OP_EQ, mkdir(options->CacheDirectory));
 275 #else
 276   tt_int_op(0, OP_EQ, mkdir(options->CacheDirectory, 0700));
 277 #endif
 278
 279   tor_asprintf(&fn, "%s"PATH_SEPARATOR"cached-microdescs",
 280                options->CacheDirectory);
 281
 282   write_str_to_file(fn, truncated_md, 1);
 283
 284   mc = get_microdesc_cache();
 285   tt_assert(mc);
 286
 287  done:
 288   if (options)
 289     tor_free(options->CacheDirectory);
 290   tor_free(fn);
 291   microdesc_free_all();
 292 }
 293
 294 /* Generated by chutney. */
 295 static const char test_ri[] =
 296   "router test005r 127.0.0.1 5005 0 7005\n"
 297   "platform Tor 0.2.5.4-alpha-dev on Linux\n"
 298   "protocols Link 1 2 Circuit 1\n"
 299   "published 2014-05-06 22:57:55\n"
 300   "fingerprint 09DE 3BA2 48C2 1C3F 3760 6CD3 8460 43A6 D5EC F59E\n"
 301   "uptime 0\n"
 302   "bandwidth 1073741824 1073741824 0\n"
 303   "extra-info-digest 361F9428F9FA4DD854C03DDBCC159D0D9FA996C9\n"
 304   "onion-key\n"
 305   "-----BEGIN RSA PUBLIC KEY-----\n"
 306   "MIGJAoGBANBJz8Vldl12aFeSMPLiA4nOetLDN0oxU8bB1SDhO7Uu2zdWYVYAF5J0\n"
 307   "st7WvrVy/jA9v/fsezNAPskBanecHRSkdMTpkcgRPMHE7CTGEwIy1Yp1X4bPgDlC\n"
 308   "VCnbs5Pcts5HnWEYNK7qHDAUn+IlmjOO+pTUY8uyq+GQVz6H9wFlAgMBAAE=\n"
 309   "-----END RSA PUBLIC KEY-----\n"
 310   "signing-key\n"
 311   "-----BEGIN RSA PUBLIC KEY-----\n"
 312   "MIGJAoGBANbGUC4802Ke6C3nOVxN0U0HhIRrs32cQFEL4v+UUMJPgjbistHBvOax\n"
 313   "CWVR/sMXM2kKJeGThJ9ZUs2p9dDG4WHPUXgkMqzTTEeeFa7pQKU0brgbmLaJq0Pi\n"
 314   "mxmqC5RkTHa5bQvq6QlSFprAEoovV27cWqBM9jVdV9hyc//6kwPzAgMBAAE=\n"
 315   "-----END RSA PUBLIC KEY-----\n"
 316   "hidden-service-dir\n"
 317   "ntor-onion-key Gg73xH7+kTfT6bi1uNVx9gwQdQas9pROIfmc4NpAdC4=\n"
 318   "reject *:25\n"
 319   "reject *:119\n"
 320   "reject *:135-139\n"
 321   "reject *:445\n"
 322   "reject *:563\n"
 323   "reject *:1214\n"
 324   "reject *:4661-4666\n"
 325   "reject *:6346-6429\n"
 326   "reject *:6699\n"
 327   "reject *:6881-6999\n"
 328   "accept *:*\n"
 329   "router-signature\n"
 330   "-----BEGIN SIGNATURE-----\n"
 331   "ImzX5PF2vRCrG1YzGToyjoxYhgh1vtHEDjmP+tIS/iil1DSnHZNpHSuHp0L1jE9S\n"
 332   "yZyrtKaqpBE/aecAM3j4CWCn/ipnAAQkHcyRLin1bYvqBtRzyopVCRlUhF+uWrLq\n"
 333   "t0xkIE39ss/EwmQr7iIgkdVH4oRIMsjYnFFJBG26nYY=\n"
 334   "-----END SIGNATURE-----\n";
 335
 336 static const char test_ri2[] =
 337   "router test001a 127.0.0.1 5001 0 7001\n"
 338   "identity-ed25519\n"
 339   "-----BEGIN ED25519 CERT-----\n"
 340   "AQQABf/FAf5iDuKCZP2VxnAaQWdklilAh6kaEeFX4z8261Yx2T1/AQAgBADCp8vO\n"
 341   "B8K1F9g2DzwuwvVCnPFLSK1qknVqPpNucHLH9DY7fuIYogBAdz4zHv1qC7RKaMNG\n"
 342   "Jux/tMO2tzPcm62Ky5PjClMQplKUOnZNQ+RIpA3wYCIfUDy/cQnY7XWgNQ0=\n"
 343   "-----END ED25519 CERT-----\n"
 344   "platform Tor 0.2.6.0-alpha-dev on Darwin\n"
 345   "protocols Link 1 2 Circuit 1\n"
 346   "published 2014-10-08 12:58:04\n"
 347   "fingerprint B7E2 7F10 4213 C36F 13E7 E982 9182 845E 4959 97A0\n"
 348   "uptime 0\n"
 349   "bandwidth 1073741824 1073741824 0\n"
 350   "extra-info-digest 568F27331B6D8C73E7024F1EF5D097B90DFC7CDB\n"
 351   "caches-extra-info\n"
 352   "onion-key\n"
 353   "-----BEGIN RSA PUBLIC KEY-----\n"
 354   "MIGJAoGBAL2R8EfubUcahxha4u02P4VAR0llQIMwFAmrHPjzcK7apcQgDOf2ovOA\n"
 355   "+YQnJFxlpBmCoCZC6ssCi+9G0mqo650lFuTMP5I90BdtjotfzESfTykHLiChyvhd\n"
 356   "l0dlqclb2SU/GKem/fLRXH16aNi72CdSUu/1slKs/70ILi34QixRAgMBAAE=\n"
 357   "-----END RSA PUBLIC KEY-----\n"
 358   "signing-key\n"
 359   "-----BEGIN RSA PUBLIC KEY-----\n"
 360   "MIGJAoGBAN8+78KUVlgHXdMMkYJxcwh1Zv2y+Gb5eWUyltUaQRajhrT9ij2T5JZs\n"
 361   "M0g85xTcuM3jNVVpV79+33hiTohdC6UZ+Bk4USQ7WBFzRbVFSXoVKLBJFkCOIexg\n"
 362   "SMGNd5WEDtHWrXl58mizmPFu1eG6ZxHzt7RuLSol5cwBvawXPNkFAgMBAAE=\n"
 363   "-----END RSA PUBLIC KEY-----\n"
 364   "onion-key-crosscert\n"
 365   "-----BEGIN CROSSCERT-----\n"
 366   "ETFDzU49bvNfoZnKK1j6JeBP2gDirgj6bBCgWpUYs663OO9ypbZRO0JwWANssKl6\n"
 367   "oaq9vKTsKGRsaNnqnz/JGMhehymakjjNtqg7crWwsahe8+7Pw9GKmW+YjFtcOkUf\n"
 368   "KfOn2bmKBa1FoJb4yW3oXzHcdlLSRuCciKqPn+Hky5o=\n"
 369   "-----END CROSSCERT-----\n"
 370   "ntor-onion-key-crosscert 0\n"
 371   "-----BEGIN ED25519 CERT-----\n"
 372   "AQoABf2dAcKny84HwrUX2DYPPC7C9UKc8UtIrWqSdWo+k25wcsf0AFohutG+xI06\n"
 373   "Ef21c5Zl1j8Hw6DzHDjYyJevXLFuOneaL3zcH2Ldn4sjrG3kc5UuVvRfTvV120UO\n"
 374   "xk4f5s5LGwY=\n"
 375   "-----END ED25519 CERT-----\n"
 376   "hidden-service-dir\n"
 377   "contact auth1@test.test\n"
 378   "ntor-onion-key hbxdRnfVUJJY7+KcT4E3Rs7/zuClbN3hJrjSBiEGMgI=\n"
 379   "reject *:*\n"
 380   "router-sig-ed25519 5aQXyTif7PExIuL2di37UvktmJECKnils2OWz2vDi"
 381                      "hFxi+5TTAAPxYkS5clhc/Pjvw34itfjGmTKFic/8httAQ\n"
 382   "router-signature\n"
 383   "-----BEGIN SIGNATURE-----\n"
 384   "BaUB+aFPQbb3BwtdzKsKqV3+6cRlSqJF5bI3UTmwRoJk+Z5Pz+W5NWokNI0xArHM\n"
 385   "T4T5FZCCP9350jXsUCIvzyIyktU6aVRCGFt76rFlo1OETpN8GWkMnQU0w18cxvgS\n"
 386   "cf34GXHv61XReJF3AlzNHFpbrPOYmowmhrTULKyMqow=\n"
 387   "-----END SIGNATURE-----\n";
 388
 389 static const char test_md_18[] =
 390   "onion-key\n"
 391   "-----BEGIN RSA PUBLIC KEY-----\n"
 392   "MIGJAoGBANBJz8Vldl12aFeSMPLiA4nOetLDN0oxU8bB1SDhO7Uu2zdWYVYAF5J0\n"
 393   "st7WvrVy/jA9v/fsezNAPskBanecHRSkdMTpkcgRPMHE7CTGEwIy1Yp1X4bPgDlC\n"
 394   "VCnbs5Pcts5HnWEYNK7qHDAUn+IlmjOO+pTUY8uyq+GQVz6H9wFlAgMBAAE=\n"
 395   "-----END RSA PUBLIC KEY-----\n"
 396   "ntor-onion-key Gg73xH7+kTfT6bi1uNVx9gwQdQas9pROIfmc4NpAdC4=\n"
 397   "p reject 25,119,135-139,445,563,1214,4661-4666,6346-6429,6699,6881-6999\n"
 398   "id rsa1024 Cd47okjCHD83YGzThGBDptXs9Z4\n";
 399
 400 static const char test_md2_21[] =
 401   "onion-key\n"
 402   "-----BEGIN RSA PUBLIC KEY-----\n"
 403   "MIGJAoGBAL2R8EfubUcahxha4u02P4VAR0llQIMwFAmrHPjzcK7apcQgDOf2ovOA\n"
 404   "+YQnJFxlpBmCoCZC6ssCi+9G0mqo650lFuTMP5I90BdtjotfzESfTykHLiChyvhd\n"
 405   "l0dlqclb2SU/GKem/fLRXH16aNi72CdSUu/1slKs/70ILi34QixRAgMBAAE=\n"
 406   "-----END RSA PUBLIC KEY-----\n"
 407   "ntor-onion-key hbxdRnfVUJJY7+KcT4E3Rs7/zuClbN3hJrjSBiEGMgI=\n"
 408   "id ed25519 wqfLzgfCtRfYNg88LsL1QpzxS0itapJ1aj6TbnByx/Q\n";
 409
 410 static void
 411 test_md_generate(void *arg)
 412 {
 413   routerinfo_t *ri;
 414   microdesc_t *md = NULL;
 415   (void)arg;
 416
 417   ri = router_parse_entry_from_string(test_ri, NULL, 0, 0, NULL, NULL);
 418   tt_assert(ri);
 419
 420   microdesc_free(md);
 421   md = NULL;
 422   md = dirvote_create_microdescriptor(ri, 18);
 423   tt_str_op(md->body, OP_EQ, test_md_18);
 424
 425   microdesc_free(md);
 426   md = NULL;
 427   md = dirvote_create_microdescriptor(ri, 21);
 428   tt_str_op(md->body, OP_EQ, test_md_18);
 429
 430   routerinfo_free(ri);
 431   ri = router_parse_entry_from_string(test_ri2, NULL, 0, 0, NULL, NULL);
 432
 433   microdesc_free(md);
 434   md = NULL;
 435   md = dirvote_create_microdescriptor(ri, 21);
 436   tt_str_op(md->body, OP_EQ, test_md2_21);
 437   tt_assert(ed25519_pubkey_eq(md->ed25519_identity_pkey,
 438                               &ri->cache_info.signing_key_cert->signing_key));
 439
 440  done:
 441   microdesc_free(md);
 442   routerinfo_free(ri);
 443 }
 444
 445 #ifdef HAVE_CFLAG_WOVERLENGTH_STRINGS
 446 DISABLE_GCC_WARNING(overlength-strings)
 447 /* We allow huge string constants in the unit tests, but not in the code
 448  * at large. */
 449 #endif
 450 /* Taken at random from my ~/.tor/cached-microdescs file and then
 451  * hand-munged */
 452 static const char MD_PARSE_TEST_DATA[] =
 453   /* Good 0 */
 454   "onion-key\n"
 455   "-----BEGIN RSA PUBLIC KEY-----\n"
 456   "MIGJAoGBANsKd1GRfOuSR1MkcwKqs6SVy4Gi/JXplt/bHDkIGm6Q96TeJ5uyVgUL\n"
 457   "DBr/ij6+JqgVFeriuiMzHKREytzjdaTuKsKBFFpLwb+Ppcjr5nMIH/AR6/aHO8hW\n"
 458   "T3B9lx5T6Kl7CqZ4yqXxYRHzn50EPTIZuz0y9se4J4gi9mLmL+pHAgMBAAE=\n"
 459   "-----END RSA PUBLIC KEY-----\n"
 460   "p accept 20-23,43,53,79-81,88,110,143,194,220,443,464,531,543-544\n"
 461   "id rsa1024 GEo59/iR1GWSIWZDzXTd5QxtqnU\n"
 462   /* Bad 0: I've messed with the onion-key in the second one. */
 463   "onion-key\n"
 464   "-----BEGIN RSA PUBLIC KEY-----\n"
 465   "MIGJAoGBAMr4o/pflVwscx11vC1AKEADlKEqnhpvCIjAEzNEenMhvGQHRlA0EXLC\n"
 466   "7G7O5bhnCwEHqK8Pvg8cuX/fD8v08TF1EVPhwPa0UI6ab8KnPP2F!!!!!!b92DG7EQIk3q\n"
 467   "d68Uxp7E9/t3v1WWZjzDqvEe0par6ul+DKW6HMlTGebFo5Q4e8R1AgMBAAE=\n"
 468   "-----END RSA PUBLIC KEY-----\n"
 469   "ntor-onion-key 761Dmm27via7lXygNHM3l+oJLrYU2Nye0Uz4pkpipyY=\n"
 470   "p accept 53\n"
 471   "id rsa1024 3Y4fwXhtgkdGDZ5ef5mtb6TJRQQ\n"
 472   /* Good 1 */
 473   "onion-key\n"
 474   "-----BEGIN RSA PUBLIC KEY-----\n"
 475   "MIGJAoGBANsMSjVi3EX8ZHfm/dvPF6KdVR66k1tVul7Jp+dDbDajBYNhgKRzVCxy\n"
 476   "Yac1CBuQjOqK89tKap9PQBnhF087eDrfaZDqYTLwB2W2sBJncVej15WEPXPRBifo\n"
 477   "iFZ8337kgczkaY+IOfSuhtbOUyDOoDpRJheIKBNq0ZiTqtLbbadVAgMBAAE=\n"
 478   "-----END RSA PUBLIC KEY-----\n"
 479   "ntor-onion-key ncfiHJjSgdDEW/gc6q6/7idac7j+x7ejQrRm6i75pGA=\n"
 480   "p accept 443,6660-6669,6697,7000-7001\n"
 481   "id rsa1024 XXuLzw3mfBELEq3veXoNhdehwD4\n"
 482   /* Good 2 */
 483   "onion-key\n"
 484   "-----BEGIN RSA PUBLIC KEY-----\n"
 485   "MIGJAoGBANQfBlrHrh9F/CAOytrNFgi0ikWMW/HZxuoszF9X+AQ+MudR8bcxxOGl\n"
 486   "1RFwb74s8E3uuzrCkNFvSw9Ar1L02F2DOX0gLsxEGuYC4Ave9NUteGqSqDyEJQUJ\n"
 487   "KlfxCPn2qC9nvNT7wR/Dg2WRvAEKnJmkpb57N3+WSAOPLjKOFEz3AgMBAAE=\n"
 488   "-----END RSA PUBLIC KEY-----\n"
 489   "ntor-onion-key AppBt6CSeb1kKid/36ototmFA24ddfW5JpjWPLuoJgs=\n"
 490   "id rsa1024 6y60AEI9a1PUUlRPO0YQT9WzrjI\n"
 491   /* Bad 1: Here I've messed with the ntor key */
 492   "onion-key\n"
 493   "-----BEGIN RSA PUBLIC KEY-----\n"
 494   "MIGJAoGBAPjy2HacU3jDNO5nTOFGSwNa0qKCNn4yhtrDVcAJ5alIQeBWZZGJLZ0q\n"
 495   "Cqylw1vYqxu8E09g+QXXFbAgBv1U9TICaATxrIJhIJzc8TJPhqJemp1kq0DvHLDx\n"
 496   "mxwlkNnCD/P5NS+JYB3EjOlU9EnSKUWNU61+Co344m2JqhEau40vAgMBAAE=\n"
 497   "-----END RSA PUBLIC KEY-----\n"
 498   "ntor-onion-key 4i2Fp9JHTUr1uQs0pxD5j5spl4/RG56S2P0gQxU=\n"
 499   "id rsa1024 nMRmNEGysA0NmlALVaUmI7D5jLU\n"
 500   /* Good 3: I've added a weird token in this one. This shouldn't prevent
 501    * it parsing */
 502   "onion-key\n"
 503   "-----BEGIN RSA PUBLIC KEY-----\n"
 504   "MIGJAoGBAKmosxudyNA/yJNz3S890VqV/ebylzoD11Sc0b/d5tyNNaNZjcYy5vRD\n"
 505   "kwyxFRMbP2TLZQ1zRfNwY7IDnYjU2SbW0pxuM6M8WRtsmx/YOE3kHMVAFJNrTUqU\n"
 506   "6D1zB3IiRDS5q5+NoRxwqo+hYUck60O3WTwEoqb+l3lvXeu7z9rFAgMBAAE=\n"
 507   "-----END RSA PUBLIC KEY-----\n"
 508   "flux-capacitor 1.21 GW\n"
 509   "ntor-onion-key MWBoEkl+RlBiGX44XKIvTSqbznTNZStOmUYtcYRQQyY=\n"
 510   "id rsa1024 R+A5O9qRvRac4FT3C4L2QnFyxsc\n"
 511   /* Good 4: Here I've made the 'id rsa' token odd.  It should still parse
 512    * just fine. */
 513   "onion-key\n"
 514   "-----BEGIN RSA PUBLIC KEY-----\n"
 515   "MIGJAoGBAOh+WMkdNe/Pkjb8UjQyfLOlFgpuVFrxAIGnJsmWWx0yBE97DQxGyh2n\n"
 516   "h8G5OJZHRarJQyCIf7vpZQAi0oP0OkGGaCaDQsM+D8TnqhnU++RWGnMqY/cXxPrL\n"
 517   "MEq+n6aGiLmzkO7ah8yorZpoREk4GqLUIN89/tHHGOhJL3c4CPGjAgMBAAE=\n"
 518   "-----END RSA PUBLIC KEY-----\n"
 519   "p reject 25,119,135-139,445,563,1214,4661-4666,6346-6429,6699,6881-6999\n"
 520   "id rsa1234 jlqAKFD2E7uMKv+8TmKSeo7NBho\n"
 521   /* Good 5: Extra id type. */
 522   "onion-key\n"
 523   "-----BEGIN RSA PUBLIC KEY-----\n"
 524   "MIGJAoGBAMdgPPc5uaw4y/q+SUTN/I8Y+Gvdx9kKgWV4dmDGJ0mxsVZmo1v6+v3F\n"
 525   "12M2f9m99G3WB8F8now29C+9XyEv8MBHj1lHRdUFHSQes3YTFvDNlgj+FjLqO5TJ\n"
 526   "adOOmfu4DCUUtUEDyQKbNVL4EkMTXY73omTVsjcH3xxFjTx5wixhAgMBAAE=\n"
 527   "-----END RSA PUBLIC KEY-----\n"
 528   "ntor-onion-key AAVnWZcnDbxasdZwKqb4fL6O9sZV+XsRNHTpNd1YMz8=\n"
 529   "id rsa1024 72EfBL11QuwX2vU8y+p9ExGfGEg\n"
 530   "id expolding hedgehog 0+A5O9qRvRac4FT3C4L2QnFyxsc\n"
 531   /* Good 6: I've given this a bogus policy. It should parse. */
 532   "onion-key\n"
 533   "-----BEGIN RSA PUBLIC KEY-----\n"
 534   "MIGJAoGBALNuufwhPMF8BooxYMNvhYJMPqUB8hQDt8wGmPKphJcD1sVD1i4gAZM2\n"
 535   "HIo+zUBlljDrRWL5NzVzd1yxUJAiQxvXS5dRRFY3B70M7wTVpXw53xe0/BM5t1AX\n"
 536   "n0MFk7Jl6XIKMlzRalZvmMvE/odtyWXkP4Nd1MyZ1QcIwrQ2iwyrAgMBAAE=\n"
 537   "-----END RSA PUBLIC KEY-----\n"
 538   "p condone 1-10\n"
 539   "ntor-onion-key 2/nMJ+L4dd/2GpMyTYjz3zC59MvQy4MIzJZhdzKHekg=\n"
 540   "id rsa1024 FHyh10glEMA6MCmBb5R9Y+X/MhQ\n"
 541   /* Good 7: I've given this one another sort of odd policy. Should parse. */
 542   "onion-key\n"
 543   "-----BEGIN RSA PUBLIC KEY-----\n"
 544   "MIGJAoGBAKcd3FmQ8iAADghyvX8eca0ePqtJ2w1IDdUdTlf5Y/8+OMdp//sD01yC\n"
 545   "YmiX45LK5ge1O3AzcakYCO6fb3pyIqvXdvm24OjyYZELQ40cmKSLjdhcSf4Fr/N9\n"
 546   "uR/CkknR9cEePu1wZ5WBIGmGdXI6s7t3LB+e7XFyBYAx6wMGlnX7AgMBAAE=\n"
 547   "-----END RSA PUBLIC KEY-----\n"
 548   "p accept frogs-mice\n"
 549   "ntor-onion-key AMxvhaQ1Qg7jBJFoyHuPRgETvLbFmJ194hExV24FuAI=\n"
 550   "family $D8CFEA0D996F5D1473D2063C041B7910DB23981E\n"
 551   "id rsa1024 d0VVZC/cHh1P3y4MMbfKlQHFycc\n"
 552   /* Good 8: This one has the ntor-onion-key without terminating =. That's
 553    * allowed. */
 554   "onion-key\n"
 555   "-----BEGIN RSA PUBLIC KEY-----\n"
 556   "MIGJAoGBAL438YfjrJE2SPqkkXeQwICygu8KNO54Juj6sjqk5hgsiazIWMOBgbaX\n"
 557   "LIRqPNGaiSq01xSqwjwCBCfwZYT/nSdDBqj1h9aoR8rnjxZjyQ+m3rWpdDqeCDMx\n"
 558   "I3NgZ5w4bNX4poRb42lrV6NmQiFdjzpqszVbv5Lpn2CSKu32CwKVAgMBAAE=\n"
 559   "-----END RSA PUBLIC KEY-----\n"
 560   "ntor-onion-key UKL6Dnj2KwYsFlkCvOkXVatxvOPB4MaxqwPQQgZMTwI\n"
 561   "id rsa1024 FPIXc6k++JnKCtSKWUxaR6oXEKs\n"
 562   /* Good 9: Another totally normal one.*/
 563   "onion-key\n"
 564   "-----BEGIN RSA PUBLIC KEY-----\n"
 565   "MIGJAoGBANNGIKRd8PFNXkJ2JPV1ohDMFNbJwKbwybeieaQFjtU9KWedHCbr+QD4\n"
 566   "B6zNY5ysguNjHNnlq2f6D09+uhnfDBON8tAz0mPQH/6JqnOXm+EiUn+8bN0E8Nke\n"
 567   "/i3GEgDeaxJJMNQcpsJvmmSmKFOlYy9Fy7ejAjTGqtAnqOte7BnTAgMBAAE=\n"
 568   "-----END RSA PUBLIC KEY-----\n"
 569   "ntor-onion-key gUsq3e5iYgsQQvyxINtLzBpHxmIt5rtuFlEbKfI4gFk=\n"
 570   "id rsa1024 jv+LdatDzsMfEW6pLBeL/5uzwCc\n"
 571   /* Bad 2: RSA key has bad exponent of 3. */
 572   "onion-key\n"
 573   "-----BEGIN RSA PUBLIC KEY-----\n"
 574   "MIGHAoGBAMMTWtvPxYnUNJ5Y7B+XENcpxzPoGstrdiUszCBS+/42xvluLJ+JDSdR\n"
 575   "qJaMD6ax8vKAeLS5C6O17MNdG2VldlPRbtgl41MXsOoUqEJ+nY9e3WG9Snjp47xC\n"
 576   "zmWIfeduXSavIsb3a43/MLIz/9qO0TkgAAiuQr79JlwKhLdzCqTLAgED\n"
 577   "-----END RSA PUBLIC KEY-----\n"
 578   "ntor-onion-key NkRB4wTUFogiVp5jYmjGORe2ffb/y5Kk8Itw8jdzMjA=\n"
 579   "p reject 25,119,135-139,445,563,1214,4661-4666,6346-6429,6699,6881-6999\n"
 580   "id rsa1024 fKvYjP7TAjCC1FzYee5bYAwYkoDg\n"
 581   /* Bad 3: Bogus annotation */
 582   "@last-listed with strange aeons\n"
 583   "onion-key\n"
 584   "-----BEGIN RSA PUBLIC KEY-----\n"
 585   "MIGJAoGBALcRBFNCZtpd2TFJysU77/fJMFzKisRQEBOtDGtTZ2Bg4aEGosssa0Id\n"
 586   "YtUagRLYle08QVGvGB+EHBI5qf6Ah2yPH7k5QiN2a3Sq+nyh85dXKPazBGBBbM+C\n"
 587   "DOfDauV02CAnADNMLJEf1voY3oBVvYyIsmHxn5i1R19ZYIiR8NX5AgMBAAE=\n"
 588   "-----END RSA PUBLIC KEY-----\n"
 589   "ntor-onion-key m4xcFXMWMjCvZDXq8FT3XmS0EHYseGOeu+fV+6FYDlk=\n"
 590   "p accept 20-23,43,53,79-81,88,110,143,194,220,389,443,464,531,543-544\n"
 591   "id rsa1024 SSbfNE9vmaiwRKH+eqNAkiKQhds\n"
 592   /* Good 10: Normal, with added ipv6 address and added other address */
 593   "onion-key\n"
 594   "-----BEGIN RSA PUBLIC KEY-----\n"
 595   "MIGJAoGBAM7uUtq5F6h63QNYIvC+4NcWaD0DjtnrOORZMkdpJhinXUOwce3cD5Dj\n"
 596   "sgdN1wJpWpTQMXJ2DssfSgmOVXETP7qJuZyRprxalQhaEATMDNJA/66Ml1jSO9mZ\n"
 597   "+8Xb7m/4q778lNtkSbsvMaYD2Dq6k2QQ3kMhr9z8oUtX0XA23+pfAgMBAAE=\n"
 598   "-----END RSA PUBLIC KEY-----\n"
 599   "a [::1:2:3:4]:9090\n"
 600   "a 18.0.0.1:9999\n"
 601   "ntor-onion-key k2yFqTU2vzMCQDEiE/j9UcEHxKrXMLpB3IL0or09sik=\n"
 602   "id rsa1024 2A8wYpHxnkKJ92orocvIQBzeHlE\n"
 603   "p6 allow 80\n"
 604   ;
 605 #ifdef HAVE_CFLAG_WOVERLENGTH_STRINGS
 606 ENABLE_GCC_WARNING(overlength-strings)
 607 #endif
 608
 609 /** More tests for parsing different kinds of microdescriptors, and getting
 610  * invalid digests trackd from them. */
 611 static void
 612 test_md_parse(void *arg)
 613 {
 614   (void) arg;
 615   char *mem_op_hex_tmp = NULL;
 616   smartlist_t *invalid = smartlist_new();
 617
 618   smartlist_t *mds = microdescs_parse_from_string(MD_PARSE_TEST_DATA,
 619                                                   NULL, 1, SAVED_NOWHERE,
 620                                                   invalid);
 621   tt_int_op(smartlist_len(mds), OP_EQ, 11);
 622   tt_int_op(smartlist_len(invalid), OP_EQ, 4);
 623
 624   test_memeq_hex(smartlist_get(invalid,0),
 625                  "5d76bf1c6614e885614a1e0ad074e1ab"
 626                  "4ea14655ebeefb1736a71b5ed8a15a51");
 627   test_memeq_hex(smartlist_get(invalid,1),
 628                  "2fde0ee3343669c2444cd9d53cbd39c6"
 629                  "a7d1fc0513513e840ca7f6e68864b36c");
 630   test_memeq_hex(smartlist_get(invalid,2),
 631                  "20d1576c5ab11bbcff0dedb1db4a3cfc"
 632                  "c8bc8dd839d8cbfef92d00a1a7d7b294");
 633   test_memeq_hex(smartlist_get(invalid,3),
 634                  "074770f394c73dbde7b44412e9692add"
 635                  "691a478d4727f9804b77646c95420a96");
 636
 637   /* Spot-check the valid ones. */
 638   const microdesc_t *md = smartlist_get(mds, 5);
 639   test_memeq_hex(md->digest,
 640                  "54bb6d733ddeb375d2456c79ae103961"
 641                  "da0cae29620375ac4cf13d54da4d92b3");
 642   tt_int_op(md->last_listed, OP_EQ, 0);
 643   tt_int_op(md->saved_location, OP_EQ, SAVED_NOWHERE);
 644   tt_int_op(md->no_save, OP_EQ, 0);
 645   tt_uint_op(md->held_in_map, OP_EQ, 0);
 646   tt_uint_op(md->held_by_nodes, OP_EQ, 0);
 647   tt_assert(md->onion_curve25519_pkey);
 648
 649   md = smartlist_get(mds, 6);
 650   test_memeq_hex(md->digest,
 651                  "53f740bd222ab37f19f604b1d3759aa6"
 652                  "5eff1fbce9ac254bd0fa50d4af9b1bae");
 653   tt_assert(! md->exit_policy);
 654
 655   md = smartlist_get(mds, 8);
 656   test_memeq_hex(md->digest,
 657                  "a0a155562d8093d8fd0feb7b93b7226e"
 658                  "17f056c2142aab7a4ea8c5867a0376d5");
 659   tt_assert(md->onion_curve25519_pkey);
 660
 661   md = smartlist_get(mds, 10);
 662   test_memeq_hex(md->digest,
 663                  "409ebd87d23925a2732bd467a92813c9"
 664                  "21ca378fcb9ca193d354c51550b6d5e9");
 665   tt_assert(tor_addr_family(&md->ipv6_addr) == AF_INET6);
 666   tt_int_op(md->ipv6_orport, OP_EQ, 9090);
 667
 668  done:
 669   SMARTLIST_FOREACH(mds, microdesc_t *, mdsc, microdesc_free(mdsc));
 670   smartlist_free(mds);
 671   SMARTLIST_FOREACH(invalid, char *, cp, tor_free(cp));
 672   smartlist_free(invalid);
 673   tor_free(mem_op_hex_tmp);
 674 }
 675
 676 static int mock_rgsbd_called = 0;
 677 static routerstatus_t *mock_rgsbd_val_a = NULL;
 678 static routerstatus_t *mock_rgsbd_val_b = NULL;
 679 static routerstatus_t *
 680 mock_router_get_status_by_digest(networkstatus_t *c, const char *d)
 681 {
 682   (void) c;
 683   ++mock_rgsbd_called;
 684
 685   if (fast_memeq(d, "\x5d\x76", 2)) {
 686     memcpy(mock_rgsbd_val_a->descriptor_digest, d, 32);
 687     return mock_rgsbd_val_a;
 688   } else if (fast_memeq(d, "\x20\xd1", 2)) {
 689     memcpy(mock_rgsbd_val_b->descriptor_digest, d, 32);
 690     return mock_rgsbd_val_b;
 691   } else {
 692     return NULL;
 693   }
 694 }
 695
 696 static networkstatus_t *mock_ns_val = NULL;
 697 static networkstatus_t *
 698 mock_ns_get_by_flavor(consensus_flavor_t f)
 699 {
 700   (void)f;
 701   return mock_ns_val;
 702 }
 703
 704 static void
 705 test_md_reject_cache(void *arg)
 706 {
 707   (void) arg;
 708   microdesc_cache_t *mc = NULL ;
 709   smartlist_t *added = NULL, *wanted = smartlist_new();
 710   or_options_t *options = get_options_mutable();
 711   char buf[DIGEST256_LEN];
 712
 713   tor_free(options->CacheDirectory);
 714   options->CacheDirectory = tor_strdup(get_fname("md_datadir_test_rej"));
 715   mock_rgsbd_val_a = tor_malloc_zero(sizeof(routerstatus_t));
 716   mock_rgsbd_val_b = tor_malloc_zero(sizeof(routerstatus_t));
 717   mock_ns_val = tor_malloc_zero(sizeof(networkstatus_t));
 718
 719   mock_ns_val->valid_after = time(NULL) - 86400;
 720   mock_ns_val->valid_until = time(NULL) + 86400;
 721   mock_ns_val->flavor = FLAV_MICRODESC;
 722
 723 #ifdef _WIN32
 724   tt_int_op(0, OP_EQ, mkdir(options->CacheDirectory));
 725 #else
 726   tt_int_op(0, OP_EQ, mkdir(options->CacheDirectory, 0700));
 727 #endif
 728
 729   MOCK(router_get_mutable_consensus_status_by_descriptor_digest,
 730        mock_router_get_status_by_digest);
 731   MOCK(networkstatus_get_latest_consensus_by_flavor, mock_ns_get_by_flavor);
 732
 733   mc = get_microdesc_cache();
 734 #define ADD(hex)                                                        \
 735   do {                                                                  \
 736     tt_int_op(sizeof(buf),OP_EQ,base16_decode(buf,sizeof(buf),          \
 737                 hex,strlen(hex)));\
 738     smartlist_add(wanted, tor_memdup(buf, DIGEST256_LEN));              \
 739   } while (0)
 740
 741   /* invalid,0 */
 742   ADD("5d76bf1c6614e885614a1e0ad074e1ab4ea14655ebeefb1736a71b5ed8a15a51");
 743   /* invalid,2 */
 744   ADD("20d1576c5ab11bbcff0dedb1db4a3cfcc8bc8dd839d8cbfef92d00a1a7d7b294");
 745   /* valid, 6 */
 746   ADD("53f740bd222ab37f19f604b1d3759aa65eff1fbce9ac254bd0fa50d4af9b1bae");
 747   /* valid, 8 */
 748   ADD("a0a155562d8093d8fd0feb7b93b7226e17f056c2142aab7a4ea8c5867a0376d5");
 749
 750   added = microdescs_add_to_cache(mc, MD_PARSE_TEST_DATA, NULL,
 751                                   SAVED_NOWHERE, 0, time(NULL), wanted);
 752
 753   tt_int_op(smartlist_len(added), OP_EQ, 2);
 754   tt_int_op(mock_rgsbd_called, OP_EQ, 2);
 755   tt_int_op(mock_rgsbd_val_a->dl_status.n_download_failures, OP_EQ, 255);
 756   tt_int_op(mock_rgsbd_val_b->dl_status.n_download_failures, OP_EQ, 255);
 757
 758  done:
 759   UNMOCK(networkstatus_get_latest_consensus_by_flavor);
 760   UNMOCK(router_get_mutable_consensus_status_by_descriptor_digest);
 761   tor_free(options->CacheDirectory);
 762   microdesc_free_all();
 763   smartlist_free(added);
 764   SMARTLIST_FOREACH(wanted, char *, cp, tor_free(cp));
 765   smartlist_free(wanted);
 766   tor_free(mock_rgsbd_val_a);
 767   tor_free(mock_rgsbd_val_b);
 768   tor_free(mock_ns_val);
 769 }
 770
 771 static void
 772 test_md_corrupt_desc(void *arg)
 773 {
 774   char *cp = NULL;
 775   smartlist_t *sl = NULL;
 776   (void) arg;
 777
 778   sl = microdescs_add_to_cache(get_microdesc_cache(),
 779                                "@last-listed 2015-06-22 10:00:00\n"
 780                                "onion-k\n",
 781                                NULL, SAVED_IN_JOURNAL, 0, time(NULL), NULL);
 782   tt_int_op(smartlist_len(sl), OP_EQ, 0);
 783   smartlist_free(sl);
 784
 785   sl = microdescs_add_to_cache(get_microdesc_cache(),
 786                                "@last-listed 2015-06-22 10:00:00\n"
 787                                "wiggly\n",
 788                                NULL, SAVED_IN_JOURNAL, 0, time(NULL), NULL);
 789   tt_int_op(smartlist_len(sl), OP_EQ, 0);
 790   smartlist_free(sl);
 791
 792   tor_asprintf(&cp, "%s\n%s", test_md1, "@foobar\nonion-wobble\n");
 793
 794   sl = microdescs_add_to_cache(get_microdesc_cache(),
 795                                cp, cp+strlen(cp),
 796                                SAVED_IN_JOURNAL, 0, time(NULL), NULL);
 797   tt_int_op(smartlist_len(sl), OP_EQ, 0);
 798
 799  done:
 800   tor_free(cp);
 801   smartlist_free(sl);
 802 }
 803
 804 struct testcase_t microdesc_tests[] = {
 805   { "cache", test_md_cache, TT_FORK, NULL, NULL },
 806   { "broken_cache", test_md_cache_broken, TT_FORK, NULL, NULL },
 807   { "generate", test_md_generate, 0, NULL, NULL },
 808   { "parse", test_md_parse, 0, NULL, NULL },
 809   { "reject_cache", test_md_reject_cache, TT_FORK, NULL, NULL },
 810   { "corrupt_desc", test_md_corrupt_desc, TT_FORK, NULL, NULL },
 811   END_OF_TESTCASES
 812 };
 813