src/test/test_microdesc.c

   1 /* Copyright (c) 2010-2016, 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 #include "dirvote.h"
   9 #include "microdesc.h"
  10 #include "networkstatus.h"
  11 #include "routerlist.h"
  12 #include "routerparse.h"
  13 #include "torcert.h"
  14
  15 #include "test.h"
  16
  17 #include <openssl/rsa.h>
  18 #include <openssl/bn.h>
  19 #include <openssl/pem.h>
  20
  21 #ifdef _WIN32
  22 /* For mkdir() */
  23 #include <direct.h>
  24 #else
  25 #include <dirent.h>
  26 #endif
  27
  28 static const char test_md1[] =
  29   "onion-key\n"
  30   "-----BEGIN RSA PUBLIC KEY-----\n"
  31   "MIGJAoGBAMjlHH/daN43cSVRaHBwgUfnszzAhg98EvivJ9Qxfv51mvQUxPjQ07es\n"
  32   "gV/3n8fyh3Kqr/ehi9jxkdgSRfSnmF7giaHL1SLZ29kA7KtST+pBvmTpDtHa3ykX\n"
  33   "Xorc7hJvIyTZoc1HU+5XSynj3gsBE5IGK1ZRzrNS688LnuZMVp1tAgMBAAE=\n"
  34   "-----END RSA PUBLIC KEY-----\n";
  35
  36 static const char test_md2[] =
  37   "onion-key\n"
  38   "-----BEGIN RSA PUBLIC KEY-----\n"
  39   "MIGJAoGBAMIixIowh2DyPmDNMDwBX2DHcYcqdcH1zdIQJZkyV6c6rQHnvbcaDoSg\n"
  40   "jgFSLJKpnGmh71FVRqep+yVB0zI1JY43kuEnXry2HbZCD9UDo3d3n7t015X5S7ON\n"
  41   "bSSYtQGPwOr6Epf96IF6DoQxy4iDnPUAlejuhAG51s1y6/rZQ3zxAgMBAAE=\n"
  42   "-----END RSA PUBLIC KEY-----\n";
  43
  44 static const char test_md3[] =
  45   "@last-listed 2009-06-22\n"
  46   "onion-key\n"
  47   "-----BEGIN RSA PUBLIC KEY-----\n"
  48   "MIGJAoGBAMH3340d4ENNGrqx7UxT+lB7x6DNUKOdPEOn4teceE11xlMyZ9TPv41c\n"
  49   "qj2fRZzfxlc88G/tmiaHshmdtEpklZ740OFqaaJVj4LjPMKFNE+J7Xc1142BE9Ci\n"
  50   "KgsbjGYe2RY261aADRWLetJ8T9QDMm+JngL4288hc8pq1uB/3TAbAgMBAAE=\n"
  51   "-----END RSA PUBLIC KEY-----\n"
  52   "p accept 1-700,800-1000\n"
  53   "family nodeX nodeY nodeZ\n";
  54
  55 static void
  56 test_md_cache(void *data)
  57 {
  58   or_options_t *options = NULL;
  59   microdesc_cache_t *mc = NULL ;
  60   smartlist_t *added = NULL, *wanted = NULL;
  61   microdesc_t *md1, *md2, *md3;
  62   char d1[DIGEST256_LEN], d2[DIGEST256_LEN], d3[DIGEST256_LEN];
  63   const char *test_md3_noannotation = strchr(test_md3, '\n')+1;
  64   time_t time1, time2, time3;
  65   char *fn = NULL, *s = NULL;
  66   (void)data;
  67
  68   options = get_options_mutable();
  69   tt_assert(options);
  70
  71   time1 = time(NULL);
  72   time2 = time(NULL) - 2*24*60*60;
  73   time3 = time(NULL) - 15*24*60*60;
  74
  75   /* Possibly, turn this into a test setup/cleanup pair */
  76   tor_free(options->DataDirectory);
  77   options->DataDirectory = tor_strdup(get_fname("md_datadir_test"));
  78 #ifdef _WIN32
  79   tt_int_op(0, OP_EQ, mkdir(options->DataDirectory));
  80 #else
  81   tt_int_op(0, OP_EQ, mkdir(options->DataDirectory, 0700));
  82 #endif
  83
  84   tt_assert(!strcmpstart(test_md3_noannotation, "onion-key"));
  85
  86   crypto_digest256(d1, test_md1, strlen(test_md1), DIGEST_SHA256);
  87   crypto_digest256(d2, test_md2, strlen(test_md1), DIGEST_SHA256);
  88   crypto_digest256(d3, test_md3_noannotation, strlen(test_md3_noannotation),
  89                    DIGEST_SHA256);
  90
  91   mc = get_microdesc_cache();
  92
  93   added = microdescs_add_to_cache(mc, test_md1, NULL, SAVED_NOWHERE, 0,
  94                                   time1, NULL);
  95   tt_int_op(1, OP_EQ, smartlist_len(added));
  96   md1 = smartlist_get(added, 0);
  97   smartlist_free(added);
  98   added = NULL;
  99
 100   wanted = smartlist_new();
 101   added = microdescs_add_to_cache(mc, test_md2, NULL, SAVED_NOWHERE, 0,
 102                                   time2, wanted);
 103   /* Should fail, since we didn't list test_md2's digest in wanted */
 104   tt_int_op(0, OP_EQ, smartlist_len(added));
 105   smartlist_free(added);
 106   added = NULL;
 107
 108   smartlist_add(wanted, tor_memdup(d2, DIGEST256_LEN));
 109   smartlist_add(wanted, tor_memdup(d3, DIGEST256_LEN));
 110   added = microdescs_add_to_cache(mc, test_md2, NULL, SAVED_NOWHERE, 0,
 111                                   time2, wanted);
 112   /* Now it can work. md2 should have been added */
 113   tt_int_op(1, OP_EQ, smartlist_len(added));
 114   md2 = smartlist_get(added, 0);
 115   /* And it should have gotten removed from 'wanted' */
 116   tt_int_op(smartlist_len(wanted), OP_EQ, 1);
 117   tt_mem_op(smartlist_get(wanted, 0), OP_EQ, d3, DIGEST256_LEN);
 118   smartlist_free(added);
 119   added = NULL;
 120
 121   added = microdescs_add_to_cache(mc, test_md3, NULL,
 122                                   SAVED_NOWHERE, 0, -1, NULL);
 123   /* Must fail, since SAVED_NOWHERE precludes annotations */
 124   tt_int_op(0, OP_EQ, smartlist_len(added));
 125   smartlist_free(added);
 126   added = NULL;
 127
 128   added = microdescs_add_to_cache(mc, test_md3_noannotation, NULL,
 129                                   SAVED_NOWHERE, 0, time3, NULL);
 130   /* Now it can work */
 131   tt_int_op(1, OP_EQ, smartlist_len(added));
 132   md3 = smartlist_get(added, 0);
 133   smartlist_free(added);
 134   added = NULL;
 135
 136   /* Okay.  We added 1...3.  Let's poke them to see how they look, and make
 137    * sure they're really in the journal. */
 138   tt_ptr_op(md1, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d1));
 139   tt_ptr_op(md2, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d2));
 140   tt_ptr_op(md3, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d3));
 141
 142   tt_int_op(md1->last_listed, OP_EQ, time1);
 143   tt_int_op(md2->last_listed, OP_EQ, time2);
 144   tt_int_op(md3->last_listed, OP_EQ, time3);
 145
 146   tt_int_op(md1->saved_location, OP_EQ, SAVED_IN_JOURNAL);
 147   tt_int_op(md2->saved_location, OP_EQ, SAVED_IN_JOURNAL);
 148   tt_int_op(md3->saved_location, OP_EQ, SAVED_IN_JOURNAL);
 149
 150   tt_int_op(md1->bodylen, OP_EQ, strlen(test_md1));
 151   tt_int_op(md2->bodylen, OP_EQ, strlen(test_md2));
 152   tt_int_op(md3->bodylen, OP_EQ, strlen(test_md3_noannotation));
 153   tt_mem_op(md1->body, OP_EQ, test_md1, strlen(test_md1));
 154   tt_mem_op(md2->body, OP_EQ, test_md2, strlen(test_md2));
 155   tt_mem_op(md3->body, OP_EQ, test_md3_noannotation,
 156               strlen(test_md3_noannotation));
 157
 158   tor_asprintf(&fn, "%s"PATH_SEPARATOR"cached-microdescs.new",
 159                options->DataDirectory);
 160   s = read_file_to_str(fn, RFTS_BIN, NULL);
 161   tt_assert(s);
 162   tt_mem_op(md1->body, OP_EQ, s + md1->off, md1->bodylen);
 163   tt_mem_op(md2->body, OP_EQ, s + md2->off, md2->bodylen);
 164   tt_mem_op(md3->body, OP_EQ, s + md3->off, md3->bodylen);
 165
 166   tt_ptr_op(md1->family, OP_EQ, NULL);
 167   tt_ptr_op(md3->family, OP_NE, NULL);
 168   tt_int_op(smartlist_len(md3->family), OP_EQ, 3);
 169   tt_str_op(smartlist_get(md3->family, 0), OP_EQ, "nodeX");
 170
 171   /* Now rebuild the cache! */
 172   tt_int_op(microdesc_cache_rebuild(mc, 1), OP_EQ, 0);
 173
 174   tt_int_op(md1->saved_location, OP_EQ, SAVED_IN_CACHE);
 175   tt_int_op(md2->saved_location, OP_EQ, SAVED_IN_CACHE);
 176   tt_int_op(md3->saved_location, OP_EQ, SAVED_IN_CACHE);
 177
 178   /* The journal should be empty now */
 179   tor_free(s);
 180   s = read_file_to_str(fn, RFTS_BIN, NULL);
 181   tt_str_op(s, OP_EQ, "");
 182   tor_free(s);
 183   tor_free(fn);
 184
 185   /* read the cache. */
 186   tor_asprintf(&fn, "%s"PATH_SEPARATOR"cached-microdescs",
 187                options->DataDirectory);
 188   s = read_file_to_str(fn, RFTS_BIN, NULL);
 189   tt_mem_op(md1->body, OP_EQ, s + md1->off, strlen(test_md1));
 190   tt_mem_op(md2->body, OP_EQ, s + md2->off, strlen(test_md2));
 191   tt_mem_op(md3->body, OP_EQ, s + md3->off, strlen(test_md3_noannotation));
 192
 193   /* Okay, now we are going to forget about the cache entirely, and reload it
 194    * from the disk. */
 195   microdesc_free_all();
 196   mc = get_microdesc_cache();
 197   md1 = microdesc_cache_lookup_by_digest256(mc, d1);
 198   md2 = microdesc_cache_lookup_by_digest256(mc, d2);
 199   md3 = microdesc_cache_lookup_by_digest256(mc, d3);
 200   tt_assert(md1);
 201   tt_assert(md2);
 202   tt_assert(md3);
 203   tt_mem_op(md1->body, OP_EQ, s + md1->off, strlen(test_md1));
 204   tt_mem_op(md2->body, OP_EQ, s + md2->off, strlen(test_md2));
 205   tt_mem_op(md3->body, OP_EQ, s + md3->off, strlen(test_md3_noannotation));
 206
 207   tt_int_op(md1->last_listed, OP_EQ, time1);
 208   tt_int_op(md2->last_listed, OP_EQ, time2);
 209   tt_int_op(md3->last_listed, OP_EQ, time3);
 210
 211   /* Okay, now we are going to clear out everything older than a week old.
 212    * In practice, that means md3 */
 213   microdesc_cache_clean(mc, time(NULL)-7*24*60*60, 1/*force*/);
 214   tt_ptr_op(md1, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d1));
 215   tt_ptr_op(md2, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d2));
 216   tt_ptr_op(NULL, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d3));
 217   md3 = NULL; /* it's history now! */
 218
 219   /* rebuild again, make sure it stays gone. */
 220   tt_int_op(microdesc_cache_rebuild(mc, 1), OP_EQ, 0);
 221   tt_ptr_op(md1, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d1));
 222   tt_ptr_op(md2, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d2));
 223   tt_ptr_op(NULL, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d3));
 224
 225   /* Re-add md3, and make sure we can rebuild the cache. */
 226   added = microdescs_add_to_cache(mc, test_md3_noannotation, NULL,
 227                                   SAVED_NOWHERE, 0, time3, NULL);
 228   tt_int_op(1, OP_EQ, smartlist_len(added));
 229   md3 = smartlist_get(added, 0);
 230   smartlist_free(added);
 231   added = NULL;
 232   tt_int_op(md1->saved_location, OP_EQ, SAVED_IN_CACHE);
 233   tt_int_op(md2->saved_location, OP_EQ, SAVED_IN_CACHE);
 234   tt_int_op(md3->saved_location, OP_EQ, SAVED_IN_JOURNAL);
 235
 236   tt_int_op(microdesc_cache_rebuild(mc, 1), OP_EQ, 0);
 237   tt_int_op(md3->saved_location, OP_EQ, SAVED_IN_CACHE);
 238
 239  done:
 240   if (options)
 241     tor_free(options->DataDirectory);
 242   microdesc_free_all();
 243
 244   smartlist_free(added);
 245   if (wanted)
 246     SMARTLIST_FOREACH(wanted, char *, cp, tor_free(cp));
 247   smartlist_free(wanted);
 248   tor_free(s);
 249   tor_free(fn);
 250 }
 251
 252 static const char truncated_md[] =
 253   "@last-listed 2013-08-08 19:02:59\n"
 254   "onion-key\n"
 255   "-----BEGIN RSA PUBLIC KEY-----\n"
 256   "MIGJAoGBAM91vLFNaM+gGhnRIdz2Cm/Kl7Xz0cOobIdVzhS3cKUJfk867hCuTipS\n"
 257   "NveLBzNopvgXKruAAzEj3cACxk6Q8lv5UWOGCD1UolkgsWSE62RBjap44g+oc9J1\n"
 258   "RI9968xOTZw0VaBQg9giEILNXl0djoikQ+5tQRUvLDDa67gpa5Q1AgMBAAE=\n"
 259   "-----END RSA PUBLIC KEY-----\n"
 260   "family @\n";
 261
 262 static void
 263 test_md_cache_broken(void *data)
 264 {
 265   or_options_t *options;
 266   char *fn=NULL;
 267   microdesc_cache_t *mc = NULL;
 268
 269   (void)data;
 270
 271   options = get_options_mutable();
 272   tt_assert(options);
 273   tor_free(options->DataDirectory);
 274   options->DataDirectory = tor_strdup(get_fname("md_datadir_test2"));
 275
 276 #ifdef _WIN32
 277   tt_int_op(0, OP_EQ, mkdir(options->DataDirectory));
 278 #else
 279   tt_int_op(0, OP_EQ, mkdir(options->DataDirectory, 0700));
 280 #endif
 281
 282   tor_asprintf(&fn, "%s"PATH_SEPARATOR"cached-microdescs",
 283                options->DataDirectory);
 284
 285   write_str_to_file(fn, truncated_md, 1);
 286
 287   mc = get_microdesc_cache();
 288   tt_assert(mc);
 289
 290  done:
 291   if (options)
 292     tor_free(options->DataDirectory);
 293   tor_free(fn);
 294   microdesc_free_all();
 295 }
 296
 297 /* Generated by chutney. */
 298 static const char test_ri[] =
 299   "router test005r 127.0.0.1 5005 0 7005\n"
 300   "platform Tor 0.2.5.4-alpha-dev on Linux\n"
 301   "protocols Link 1 2 Circuit 1\n"
 302   "published 2014-05-06 22:57:55\n"
 303   "fingerprint 09DE 3BA2 48C2 1C3F 3760 6CD3 8460 43A6 D5EC F59E\n"
 304   "uptime 0\n"
 305   "bandwidth 1073741824 1073741824 0\n"
 306   "extra-info-digest 361F9428F9FA4DD854C03DDBCC159D0D9FA996C9\n"
 307   "onion-key\n"
 308   "-----BEGIN RSA PUBLIC KEY-----\n"
 309   "MIGJAoGBANBJz8Vldl12aFeSMPLiA4nOetLDN0oxU8bB1SDhO7Uu2zdWYVYAF5J0\n"
 310   "st7WvrVy/jA9v/fsezNAPskBanecHRSkdMTpkcgRPMHE7CTGEwIy1Yp1X4bPgDlC\n"
 311   "VCnbs5Pcts5HnWEYNK7qHDAUn+IlmjOO+pTUY8uyq+GQVz6H9wFlAgMBAAE=\n"
 312   "-----END RSA PUBLIC KEY-----\n"
 313   "signing-key\n"
 314   "-----BEGIN RSA PUBLIC KEY-----\n"
 315   "MIGJAoGBANbGUC4802Ke6C3nOVxN0U0HhIRrs32cQFEL4v+UUMJPgjbistHBvOax\n"
 316   "CWVR/sMXM2kKJeGThJ9ZUs2p9dDG4WHPUXgkMqzTTEeeFa7pQKU0brgbmLaJq0Pi\n"
 317   "mxmqC5RkTHa5bQvq6QlSFprAEoovV27cWqBM9jVdV9hyc//6kwPzAgMBAAE=\n"
 318   "-----END RSA PUBLIC KEY-----\n"
 319   "hidden-service-dir\n"
 320   "ntor-onion-key Gg73xH7+kTfT6bi1uNVx9gwQdQas9pROIfmc4NpAdC4=\n"
 321   "reject *:25\n"
 322   "reject *:119\n"
 323   "reject *:135-139\n"
 324   "reject *:445\n"
 325   "reject *:563\n"
 326   "reject *:1214\n"
 327   "reject *:4661-4666\n"
 328   "reject *:6346-6429\n"
 329   "reject *:6699\n"
 330   "reject *:6881-6999\n"
 331   "accept *:*\n"
 332   "router-signature\n"
 333   "-----BEGIN SIGNATURE-----\n"
 334   "ImzX5PF2vRCrG1YzGToyjoxYhgh1vtHEDjmP+tIS/iil1DSnHZNpHSuHp0L1jE9S\n"
 335   "yZyrtKaqpBE/aecAM3j4CWCn/ipnAAQkHcyRLin1bYvqBtRzyopVCRlUhF+uWrLq\n"
 336   "t0xkIE39ss/EwmQr7iIgkdVH4oRIMsjYnFFJBG26nYY=\n"
 337   "-----END SIGNATURE-----\n";
 338
 339 static const char test_ri2[] =
 340   "router test001a 127.0.0.1 5001 0 7001\n"
 341   "identity-ed25519\n"
 342   "-----BEGIN ED25519 CERT-----\n"
 343   "AQQABf/FAf5iDuKCZP2VxnAaQWdklilAh6kaEeFX4z8261Yx2T1/AQAgBADCp8vO\n"
 344   "B8K1F9g2DzwuwvVCnPFLSK1qknVqPpNucHLH9DY7fuIYogBAdz4zHv1qC7RKaMNG\n"
 345   "Jux/tMO2tzPcm62Ky5PjClMQplKUOnZNQ+RIpA3wYCIfUDy/cQnY7XWgNQ0=\n"
 346   "-----END ED25519 CERT-----\n"
 347   "platform Tor 0.2.6.0-alpha-dev on Darwin\n"
 348   "protocols Link 1 2 Circuit 1\n"
 349   "published 2014-10-08 12:58:04\n"
 350   "fingerprint B7E2 7F10 4213 C36F 13E7 E982 9182 845E 4959 97A0\n"
 351   "uptime 0\n"
 352   "bandwidth 1073741824 1073741824 0\n"
 353   "extra-info-digest 568F27331B6D8C73E7024F1EF5D097B90DFC7CDB\n"
 354   "caches-extra-info\n"
 355   "onion-key\n"
 356   "-----BEGIN RSA PUBLIC KEY-----\n"
 357   "MIGJAoGBAL2R8EfubUcahxha4u02P4VAR0llQIMwFAmrHPjzcK7apcQgDOf2ovOA\n"
 358   "+YQnJFxlpBmCoCZC6ssCi+9G0mqo650lFuTMP5I90BdtjotfzESfTykHLiChyvhd\n"
 359   "l0dlqclb2SU/GKem/fLRXH16aNi72CdSUu/1slKs/70ILi34QixRAgMBAAE=\n"
 360   "-----END RSA PUBLIC KEY-----\n"
 361   "signing-key\n"
 362   "-----BEGIN RSA PUBLIC KEY-----\n"
 363   "MIGJAoGBAN8+78KUVlgHXdMMkYJxcwh1Zv2y+Gb5eWUyltUaQRajhrT9ij2T5JZs\n"
 364   "M0g85xTcuM3jNVVpV79+33hiTohdC6UZ+Bk4USQ7WBFzRbVFSXoVKLBJFkCOIexg\n"
 365   "SMGNd5WEDtHWrXl58mizmPFu1eG6ZxHzt7RuLSol5cwBvawXPNkFAgMBAAE=\n"
 366   "-----END RSA PUBLIC KEY-----\n"
 367   "onion-key-crosscert\n"
 368   "-----BEGIN CROSSCERT-----\n"
 369   "ETFDzU49bvNfoZnKK1j6JeBP2gDirgj6bBCgWpUYs663OO9ypbZRO0JwWANssKl6\n"
 370   "oaq9vKTsKGRsaNnqnz/JGMhehymakjjNtqg7crWwsahe8+7Pw9GKmW+YjFtcOkUf\n"
 371   "KfOn2bmKBa1FoJb4yW3oXzHcdlLSRuCciKqPn+Hky5o=\n"
 372   "-----END CROSSCERT-----\n"
 373   "ntor-onion-key-crosscert 0\n"
 374   "-----BEGIN ED25519 CERT-----\n"
 375   "AQoABf2dAcKny84HwrUX2DYPPC7C9UKc8UtIrWqSdWo+k25wcsf0AFohutG+xI06\n"
 376   "Ef21c5Zl1j8Hw6DzHDjYyJevXLFuOneaL3zcH2Ldn4sjrG3kc5UuVvRfTvV120UO\n"
 377   "xk4f5s5LGwY=\n"
 378   "-----END ED25519 CERT-----\n"
 379   "hidden-service-dir\n"
 380   "contact auth1@test.test\n"
 381   "ntor-onion-key hbxdRnfVUJJY7+KcT4E3Rs7/zuClbN3hJrjSBiEGMgI=\n"
 382   "reject *:*\n"
 383   "router-sig-ed25519 5aQXyTif7PExIuL2di37UvktmJECKnils2OWz2vDi"
 384                      "hFxi+5TTAAPxYkS5clhc/Pjvw34itfjGmTKFic/8httAQ\n"
 385   "router-signature\n"
 386   "-----BEGIN SIGNATURE-----\n"
 387   "BaUB+aFPQbb3BwtdzKsKqV3+6cRlSqJF5bI3UTmwRoJk+Z5Pz+W5NWokNI0xArHM\n"
 388   "T4T5FZCCP9350jXsUCIvzyIyktU6aVRCGFt76rFlo1OETpN8GWkMnQU0w18cxvgS\n"
 389   "cf34GXHv61XReJF3AlzNHFpbrPOYmowmhrTULKyMqow=\n"
 390   "-----END SIGNATURE-----\n";
 391
 392 static const char test_md_8[] =
 393   "onion-key\n"
 394   "-----BEGIN RSA PUBLIC KEY-----\n"
 395   "MIGJAoGBANBJz8Vldl12aFeSMPLiA4nOetLDN0oxU8bB1SDhO7Uu2zdWYVYAF5J0\n"
 396   "st7WvrVy/jA9v/fsezNAPskBanecHRSkdMTpkcgRPMHE7CTGEwIy1Yp1X4bPgDlC\n"
 397   "VCnbs5Pcts5HnWEYNK7qHDAUn+IlmjOO+pTUY8uyq+GQVz6H9wFlAgMBAAE=\n"
 398   "-----END RSA PUBLIC KEY-----\n"
 399   "p reject 25,119,135-139,445,563,1214,4661-4666,6346-6429,6699,6881-6999\n";
 400
 401 static const char test_md_16[] =
 402   "onion-key\n"
 403   "-----BEGIN RSA PUBLIC KEY-----\n"
 404   "MIGJAoGBANBJz8Vldl12aFeSMPLiA4nOetLDN0oxU8bB1SDhO7Uu2zdWYVYAF5J0\n"
 405   "st7WvrVy/jA9v/fsezNAPskBanecHRSkdMTpkcgRPMHE7CTGEwIy1Yp1X4bPgDlC\n"
 406   "VCnbs5Pcts5HnWEYNK7qHDAUn+IlmjOO+pTUY8uyq+GQVz6H9wFlAgMBAAE=\n"
 407   "-----END RSA PUBLIC KEY-----\n"
 408   "ntor-onion-key Gg73xH7+kTfT6bi1uNVx9gwQdQas9pROIfmc4NpAdC4=\n"
 409   "p reject 25,119,135-139,445,563,1214,4661-4666,6346-6429,6699,6881-6999\n";
 410
 411 static const char test_md_18[] =
 412   "onion-key\n"
 413   "-----BEGIN RSA PUBLIC KEY-----\n"
 414   "MIGJAoGBANBJz8Vldl12aFeSMPLiA4nOetLDN0oxU8bB1SDhO7Uu2zdWYVYAF5J0\n"
 415   "st7WvrVy/jA9v/fsezNAPskBanecHRSkdMTpkcgRPMHE7CTGEwIy1Yp1X4bPgDlC\n"
 416   "VCnbs5Pcts5HnWEYNK7qHDAUn+IlmjOO+pTUY8uyq+GQVz6H9wFlAgMBAAE=\n"
 417   "-----END RSA PUBLIC KEY-----\n"
 418   "ntor-onion-key Gg73xH7+kTfT6bi1uNVx9gwQdQas9pROIfmc4NpAdC4=\n"
 419   "p reject 25,119,135-139,445,563,1214,4661-4666,6346-6429,6699,6881-6999\n"
 420   "id rsa1024 Cd47okjCHD83YGzThGBDptXs9Z4\n";
 421
 422 static const char test_md2_18[] =
 423   "onion-key\n"
 424   "-----BEGIN RSA PUBLIC KEY-----\n"
 425   "MIGJAoGBAL2R8EfubUcahxha4u02P4VAR0llQIMwFAmrHPjzcK7apcQgDOf2ovOA\n"
 426   "+YQnJFxlpBmCoCZC6ssCi+9G0mqo650lFuTMP5I90BdtjotfzESfTykHLiChyvhd\n"
 427   "l0dlqclb2SU/GKem/fLRXH16aNi72CdSUu/1slKs/70ILi34QixRAgMBAAE=\n"
 428   "-----END RSA PUBLIC KEY-----\n"
 429   "ntor-onion-key hbxdRnfVUJJY7+KcT4E3Rs7/zuClbN3hJrjSBiEGMgI=\n"
 430   "id rsa1024 t+J/EEITw28T5+mCkYKEXklZl6A\n";
 431
 432 static const char test_md2_21[] =
 433   "onion-key\n"
 434   "-----BEGIN RSA PUBLIC KEY-----\n"
 435   "MIGJAoGBAL2R8EfubUcahxha4u02P4VAR0llQIMwFAmrHPjzcK7apcQgDOf2ovOA\n"
 436   "+YQnJFxlpBmCoCZC6ssCi+9G0mqo650lFuTMP5I90BdtjotfzESfTykHLiChyvhd\n"
 437   "l0dlqclb2SU/GKem/fLRXH16aNi72CdSUu/1slKs/70ILi34QixRAgMBAAE=\n"
 438   "-----END RSA PUBLIC KEY-----\n"
 439   "ntor-onion-key hbxdRnfVUJJY7+KcT4E3Rs7/zuClbN3hJrjSBiEGMgI=\n"
 440   "id ed25519 wqfLzgfCtRfYNg88LsL1QpzxS0itapJ1aj6TbnByx/Q\n";
 441
 442 static void
 443 test_md_generate(void *arg)
 444 {
 445   routerinfo_t *ri;
 446   microdesc_t *md = NULL;
 447   (void)arg;
 448
 449   ri = router_parse_entry_from_string(test_ri, NULL, 0, 0, NULL, NULL);
 450   tt_assert(ri);
 451   md = dirvote_create_microdescriptor(ri, 8);
 452   tt_str_op(md->body, OP_EQ, test_md_8);
 453
 454   /* XXXX test family lines. */
 455   /* XXXX test method 14 for A lines. */
 456   /* XXXX test method 15 for P6 lines. */
 457
 458   microdesc_free(md);
 459   md = NULL;
 460   md = dirvote_create_microdescriptor(ri, 16);
 461   tt_str_op(md->body, OP_EQ, test_md_16);
 462
 463   microdesc_free(md);
 464   md = NULL;
 465   md = dirvote_create_microdescriptor(ri, 18);
 466   tt_str_op(md->body, OP_EQ, test_md_18);
 467
 468   microdesc_free(md);
 469   md = NULL;
 470   md = dirvote_create_microdescriptor(ri, 21);
 471   tt_str_op(md->body, ==, test_md_18);
 472
 473   routerinfo_free(ri);
 474   ri = router_parse_entry_from_string(test_ri2, NULL, 0, 0, NULL, NULL);
 475
 476   microdesc_free(md);
 477   md = NULL;
 478   md = dirvote_create_microdescriptor(ri, 18);
 479   tt_str_op(md->body, ==, test_md2_18);
 480
 481   microdesc_free(md);
 482   md = NULL;
 483   md = dirvote_create_microdescriptor(ri, 21);
 484   tt_str_op(md->body, ==, test_md2_21);
 485   tt_assert(ed25519_pubkey_eq(md->ed25519_identity_pkey,
 486                               &ri->cache_info.signing_key_cert->signing_key));
 487
 488  done:
 489   microdesc_free(md);
 490   routerinfo_free(ri);
 491 }
 492
 493 /* Taken at random from my ~/.tor/cached-microdescs file and then
 494  * hand-munged */
 495 static const char MD_PARSE_TEST_DATA[] =
 496   /* Good 0 */
 497   "onion-key\n"
 498   "-----BEGIN RSA PUBLIC KEY-----\n"
 499   "MIGJAoGBANsKd1GRfOuSR1MkcwKqs6SVy4Gi/JXplt/bHDkIGm6Q96TeJ5uyVgUL\n"
 500   "DBr/ij6+JqgVFeriuiMzHKREytzjdaTuKsKBFFpLwb+Ppcjr5nMIH/AR6/aHO8hW\n"
 501   "T3B9lx5T6Kl7CqZ4yqXxYRHzn50EPTIZuz0y9se4J4gi9mLmL+pHAgMBAAE=\n"
 502   "-----END RSA PUBLIC KEY-----\n"
 503   "p accept 20-23,43,53,79-81,88,110,143,194,220,443,464,531,543-544\n"
 504   "id rsa1024 GEo59/iR1GWSIWZDzXTd5QxtqnU\n"
 505   /* Bad 0: I've messed with the onion-key in the second one. */
 506   "onion-key\n"
 507   "-----BEGIN RSA PUBLIC KEY-----\n"
 508   "MIGJAoGBAMr4o/pflVwscx11vC1AKEADlKEqnhpvCIjAEzNEenMhvGQHRlA0EXLC\n"
 509   "7G7O5bhnCwEHqK8Pvg8cuX/fD8v08TF1EVPhwPa0UI6ab8KnPP2F!!!!!!b92DG7EQIk3q\n"
 510   "d68Uxp7E9/t3v1WWZjzDqvEe0par6ul+DKW6HMlTGebFo5Q4e8R1AgMBAAE=\n"
 511   "-----END RSA PUBLIC KEY-----\n"
 512   "ntor-onion-key 761Dmm27via7lXygNHM3l+oJLrYU2Nye0Uz4pkpipyY=\n"
 513   "p accept 53\n"
 514   "id rsa1024 3Y4fwXhtgkdGDZ5ef5mtb6TJRQQ\n"
 515   /* Good 1 */
 516   "onion-key\n"
 517   "-----BEGIN RSA PUBLIC KEY-----\n"
 518   "MIGJAoGBANsMSjVi3EX8ZHfm/dvPF6KdVR66k1tVul7Jp+dDbDajBYNhgKRzVCxy\n"
 519   "Yac1CBuQjOqK89tKap9PQBnhF087eDrfaZDqYTLwB2W2sBJncVej15WEPXPRBifo\n"
 520   "iFZ8337kgczkaY+IOfSuhtbOUyDOoDpRJheIKBNq0ZiTqtLbbadVAgMBAAE=\n"
 521   "-----END RSA PUBLIC KEY-----\n"
 522   "ntor-onion-key ncfiHJjSgdDEW/gc6q6/7idac7j+x7ejQrRm6i75pGA=\n"
 523   "p accept 443,6660-6669,6697,7000-7001\n"
 524   "id rsa1024 XXuLzw3mfBELEq3veXoNhdehwD4\n"
 525   /* Good 2 */
 526   "onion-key\n"
 527   "-----BEGIN RSA PUBLIC KEY-----\n"
 528   "MIGJAoGBANQfBlrHrh9F/CAOytrNFgi0ikWMW/HZxuoszF9X+AQ+MudR8bcxxOGl\n"
 529   "1RFwb74s8E3uuzrCkNFvSw9Ar1L02F2DOX0gLsxEGuYC4Ave9NUteGqSqDyEJQUJ\n"
 530   "KlfxCPn2qC9nvNT7wR/Dg2WRvAEKnJmkpb57N3+WSAOPLjKOFEz3AgMBAAE=\n"
 531   "-----END RSA PUBLIC KEY-----\n"
 532   "ntor-onion-key AppBt6CSeb1kKid/36ototmFA24ddfW5JpjWPLuoJgs=\n"
 533   "id rsa1024 6y60AEI9a1PUUlRPO0YQT9WzrjI\n"
 534   /* Bad 1: Here I've messed with the ntor key */
 535   "onion-key\n"
 536   "-----BEGIN RSA PUBLIC KEY-----\n"
 537   "MIGJAoGBAPjy2HacU3jDNO5nTOFGSwNa0qKCNn4yhtrDVcAJ5alIQeBWZZGJLZ0q\n"
 538   "Cqylw1vYqxu8E09g+QXXFbAgBv1U9TICaATxrIJhIJzc8TJPhqJemp1kq0DvHLDx\n"
 539   "mxwlkNnCD/P5NS+JYB3EjOlU9EnSKUWNU61+Co344m2JqhEau40vAgMBAAE=\n"
 540   "-----END RSA PUBLIC KEY-----\n"
 541   "ntor-onion-key 4i2Fp9JHTUr1uQs0pxD5j5spl4/RG56S2P0gQxU=\n"
 542   "id rsa1024 nMRmNEGysA0NmlALVaUmI7D5jLU\n"
 543   /* Good 3: I've added a weird token in this one. This shouldn't prevent
 544    * it parsing */
 545   "onion-key\n"
 546   "-----BEGIN RSA PUBLIC KEY-----\n"
 547   "MIGJAoGBAKmosxudyNA/yJNz3S890VqV/ebylzoD11Sc0b/d5tyNNaNZjcYy5vRD\n"
 548   "kwyxFRMbP2TLZQ1zRfNwY7IDnYjU2SbW0pxuM6M8WRtsmx/YOE3kHMVAFJNrTUqU\n"
 549   "6D1zB3IiRDS5q5+NoRxwqo+hYUck60O3WTwEoqb+l3lvXeu7z9rFAgMBAAE=\n"
 550   "-----END RSA PUBLIC KEY-----\n"
 551   "flux-capacitor 1.21 GW\n"
 552   "ntor-onion-key MWBoEkl+RlBiGX44XKIvTSqbznTNZStOmUYtcYRQQyY=\n"
 553   "id rsa1024 R+A5O9qRvRac4FT3C4L2QnFyxsc\n"
 554   /* Good 4: Here I've made the 'id rsa' token odd.  It should still parse
 555    * just fine. */
 556   "onion-key\n"
 557   "-----BEGIN RSA PUBLIC KEY-----\n"
 558   "MIGJAoGBAOh+WMkdNe/Pkjb8UjQyfLOlFgpuVFrxAIGnJsmWWx0yBE97DQxGyh2n\n"
 559   "h8G5OJZHRarJQyCIf7vpZQAi0oP0OkGGaCaDQsM+D8TnqhnU++RWGnMqY/cXxPrL\n"
 560   "MEq+n6aGiLmzkO7ah8yorZpoREk4GqLUIN89/tHHGOhJL3c4CPGjAgMBAAE=\n"
 561   "-----END RSA PUBLIC KEY-----\n"
 562   "p reject 25,119,135-139,445,563,1214,4661-4666,6346-6429,6699,6881-6999\n"
 563   "id rsa1234 jlqAKFD2E7uMKv+8TmKSeo7NBho\n"
 564   /* Good 5: Extra id type. */
 565   "onion-key\n"
 566   "-----BEGIN RSA PUBLIC KEY-----\n"
 567   "MIGJAoGBAMdgPPc5uaw4y/q+SUTN/I8Y+Gvdx9kKgWV4dmDGJ0mxsVZmo1v6+v3F\n"
 568   "12M2f9m99G3WB8F8now29C+9XyEv8MBHj1lHRdUFHSQes3YTFvDNlgj+FjLqO5TJ\n"
 569   "adOOmfu4DCUUtUEDyQKbNVL4EkMTXY73omTVsjcH3xxFjTx5wixhAgMBAAE=\n"
 570   "-----END RSA PUBLIC KEY-----\n"
 571   "ntor-onion-key AAVnWZcnDbxasdZwKqb4fL6O9sZV+XsRNHTpNd1YMz8=\n"
 572   "id rsa1024 72EfBL11QuwX2vU8y+p9ExGfGEg\n"
 573   "id expolding hedgehog 0+A5O9qRvRac4FT3C4L2QnFyxsc\n"
 574   /* Good 6: I've given this a bogus policy. It should parse. */
 575   "onion-key\n"
 576   "-----BEGIN RSA PUBLIC KEY-----\n"
 577   "MIGJAoGBALNuufwhPMF8BooxYMNvhYJMPqUB8hQDt8wGmPKphJcD1sVD1i4gAZM2\n"
 578   "HIo+zUBlljDrRWL5NzVzd1yxUJAiQxvXS5dRRFY3B70M7wTVpXw53xe0/BM5t1AX\n"
 579   "n0MFk7Jl6XIKMlzRalZvmMvE/odtyWXkP4Nd1MyZ1QcIwrQ2iwyrAgMBAAE=\n"
 580   "-----END RSA PUBLIC KEY-----\n"
 581   "p condone 1-10\n"
 582   "ntor-onion-key 2/nMJ+L4dd/2GpMyTYjz3zC59MvQy4MIzJZhdzKHekg=\n"
 583   "id rsa1024 FHyh10glEMA6MCmBb5R9Y+X/MhQ\n"
 584   /* Good 7: I've given this one another sort of odd policy. Should parse. */
 585   "onion-key\n"
 586   "-----BEGIN RSA PUBLIC KEY-----\n"
 587   "MIGJAoGBAKcd3FmQ8iAADghyvX8eca0ePqtJ2w1IDdUdTlf5Y/8+OMdp//sD01yC\n"
 588   "YmiX45LK5ge1O3AzcakYCO6fb3pyIqvXdvm24OjyYZELQ40cmKSLjdhcSf4Fr/N9\n"
 589   "uR/CkknR9cEePu1wZ5WBIGmGdXI6s7t3LB+e7XFyBYAx6wMGlnX7AgMBAAE=\n"
 590   "-----END RSA PUBLIC KEY-----\n"
 591   "p accept frogs-mice\n"
 592   "ntor-onion-key AMxvhaQ1Qg7jBJFoyHuPRgETvLbFmJ194hExV24FuAI=\n"
 593   "family $D8CFEA0D996F5D1473D2063C041B7910DB23981E\n"
 594   "id rsa1024 d0VVZC/cHh1P3y4MMbfKlQHFycc\n"
 595   /* Good 8: This one has the ntor-onion-key without terminating =. That's
 596    * allowed. */
 597   "onion-key\n"
 598   "-----BEGIN RSA PUBLIC KEY-----\n"
 599   "MIGJAoGBAL438YfjrJE2SPqkkXeQwICygu8KNO54Juj6sjqk5hgsiazIWMOBgbaX\n"
 600   "LIRqPNGaiSq01xSqwjwCBCfwZYT/nSdDBqj1h9aoR8rnjxZjyQ+m3rWpdDqeCDMx\n"
 601   "I3NgZ5w4bNX4poRb42lrV6NmQiFdjzpqszVbv5Lpn2CSKu32CwKVAgMBAAE=\n"
 602   "-----END RSA PUBLIC KEY-----\n"
 603   "ntor-onion-key UKL6Dnj2KwYsFlkCvOkXVatxvOPB4MaxqwPQQgZMTwI\n"
 604   "id rsa1024 FPIXc6k++JnKCtSKWUxaR6oXEKs\n"
 605   /* Good 9: Another totally normal one.*/
 606   "onion-key\n"
 607   "-----BEGIN RSA PUBLIC KEY-----\n"
 608   "MIGJAoGBANNGIKRd8PFNXkJ2JPV1ohDMFNbJwKbwybeieaQFjtU9KWedHCbr+QD4\n"
 609   "B6zNY5ysguNjHNnlq2f6D09+uhnfDBON8tAz0mPQH/6JqnOXm+EiUn+8bN0E8Nke\n"
 610   "/i3GEgDeaxJJMNQcpsJvmmSmKFOlYy9Fy7ejAjTGqtAnqOte7BnTAgMBAAE=\n"
 611   "-----END RSA PUBLIC KEY-----\n"
 612   "ntor-onion-key gUsq3e5iYgsQQvyxINtLzBpHxmIt5rtuFlEbKfI4gFk=\n"
 613   "id rsa1024 jv+LdatDzsMfEW6pLBeL/5uzwCc\n"
 614   /* Bad 2: RSA key has bad exponent of 3. */
 615   "onion-key\n"
 616   "-----BEGIN RSA PUBLIC KEY-----\n"
 617   "MIGHAoGBAMMTWtvPxYnUNJ5Y7B+XENcpxzPoGstrdiUszCBS+/42xvluLJ+JDSdR\n"
 618   "qJaMD6ax8vKAeLS5C6O17MNdG2VldlPRbtgl41MXsOoUqEJ+nY9e3WG9Snjp47xC\n"
 619   "zmWIfeduXSavIsb3a43/MLIz/9qO0TkgAAiuQr79JlwKhLdzCqTLAgED\n"
 620   "-----END RSA PUBLIC KEY-----\n"
 621   "ntor-onion-key NkRB4wTUFogiVp5jYmjGORe2ffb/y5Kk8Itw8jdzMjA=\n"
 622   "p reject 25,119,135-139,445,563,1214,4661-4666,6346-6429,6699,6881-6999\n"
 623   "id rsa1024 fKvYjP7TAjCC1FzYee5bYAwYkoDg\n"
 624   /* Bad 3: Bogus annotation */
 625   "@last-listed with strange aeons\n"
 626   "onion-key\n"
 627   "-----BEGIN RSA PUBLIC KEY-----\n"
 628   "MIGJAoGBALcRBFNCZtpd2TFJysU77/fJMFzKisRQEBOtDGtTZ2Bg4aEGosssa0Id\n"
 629   "YtUagRLYle08QVGvGB+EHBI5qf6Ah2yPH7k5QiN2a3Sq+nyh85dXKPazBGBBbM+C\n"
 630   "DOfDauV02CAnADNMLJEf1voY3oBVvYyIsmHxn5i1R19ZYIiR8NX5AgMBAAE=\n"
 631   "-----END RSA PUBLIC KEY-----\n"
 632   "ntor-onion-key m4xcFXMWMjCvZDXq8FT3XmS0EHYseGOeu+fV+6FYDlk=\n"
 633   "p accept 20-23,43,53,79-81,88,110,143,194,220,389,443,464,531,543-544\n"
 634   "id rsa1024 SSbfNE9vmaiwRKH+eqNAkiKQhds\n"
 635   /* Good 10: Normal, with added ipv6 address and added other address */
 636   "onion-key\n"
 637   "-----BEGIN RSA PUBLIC KEY-----\n"
 638   "MIGJAoGBAM7uUtq5F6h63QNYIvC+4NcWaD0DjtnrOORZMkdpJhinXUOwce3cD5Dj\n"
 639   "sgdN1wJpWpTQMXJ2DssfSgmOVXETP7qJuZyRprxalQhaEATMDNJA/66Ml1jSO9mZ\n"
 640   "+8Xb7m/4q778lNtkSbsvMaYD2Dq6k2QQ3kMhr9z8oUtX0XA23+pfAgMBAAE=\n"
 641   "-----END RSA PUBLIC KEY-----\n"
 642   "a [::1:2:3:4]:9090\n"
 643   "a 18.0.0.1:9999\n"
 644   "ntor-onion-key k2yFqTU2vzMCQDEiE/j9UcEHxKrXMLpB3IL0or09sik=\n"
 645   "id rsa1024 2A8wYpHxnkKJ92orocvIQBzeHlE\n"
 646   "p6 allow 80\n"
 647   ;
 648
 649 /** More tests for parsing different kinds of microdescriptors, and getting
 650  * invalid digests trackd from them. */
 651 static void
 652 test_md_parse(void *arg)
 653 {
 654   (void) arg;
 655   char *mem_op_hex_tmp = NULL;
 656   smartlist_t *invalid = smartlist_new();
 657
 658   smartlist_t *mds = microdescs_parse_from_string(MD_PARSE_TEST_DATA,
 659                                                   NULL, 1, SAVED_NOWHERE,
 660                                                   invalid);
 661   tt_int_op(smartlist_len(mds), OP_EQ, 11);
 662   tt_int_op(smartlist_len(invalid), OP_EQ, 4);
 663
 664   test_memeq_hex(smartlist_get(invalid,0),
 665                  "5d76bf1c6614e885614a1e0ad074e1ab"
 666                  "4ea14655ebeefb1736a71b5ed8a15a51");
 667   test_memeq_hex(smartlist_get(invalid,1),
 668                  "2fde0ee3343669c2444cd9d53cbd39c6"
 669                  "a7d1fc0513513e840ca7f6e68864b36c");
 670   test_memeq_hex(smartlist_get(invalid,2),
 671                  "20d1576c5ab11bbcff0dedb1db4a3cfc"
 672                  "c8bc8dd839d8cbfef92d00a1a7d7b294");
 673   test_memeq_hex(smartlist_get(invalid,3),
 674                  "074770f394c73dbde7b44412e9692add"
 675                  "691a478d4727f9804b77646c95420a96");
 676
 677   /* Spot-check the valid ones. */
 678   const microdesc_t *md = smartlist_get(mds, 5);
 679   test_memeq_hex(md->digest,
 680                  "54bb6d733ddeb375d2456c79ae103961"
 681                  "da0cae29620375ac4cf13d54da4d92b3");
 682   tt_int_op(md->last_listed, OP_EQ, 0);
 683   tt_int_op(md->saved_location, OP_EQ, SAVED_NOWHERE);
 684   tt_int_op(md->no_save, OP_EQ, 0);
 685   tt_uint_op(md->held_in_map, OP_EQ, 0);
 686   tt_uint_op(md->held_by_nodes, OP_EQ, 0);
 687   tt_assert(md->onion_curve25519_pkey);
 688
 689   md = smartlist_get(mds, 6);
 690   test_memeq_hex(md->digest,
 691                  "53f740bd222ab37f19f604b1d3759aa6"
 692                  "5eff1fbce9ac254bd0fa50d4af9b1bae");
 693   tt_assert(! md->exit_policy);
 694
 695   md = smartlist_get(mds, 8);
 696   test_memeq_hex(md->digest,
 697                  "a0a155562d8093d8fd0feb7b93b7226e"
 698                  "17f056c2142aab7a4ea8c5867a0376d5");
 699   tt_assert(md->onion_curve25519_pkey);
 700
 701   md = smartlist_get(mds, 10);
 702   test_memeq_hex(md->digest,
 703                  "409ebd87d23925a2732bd467a92813c9"
 704                  "21ca378fcb9ca193d354c51550b6d5e9");
 705   tt_assert(tor_addr_family(&md->ipv6_addr) == AF_INET6);
 706   tt_int_op(md->ipv6_orport, OP_EQ, 9090);
 707
 708  done:
 709   SMARTLIST_FOREACH(mds, microdesc_t *, md, microdesc_free(md));
 710   smartlist_free(mds);
 711   SMARTLIST_FOREACH(invalid, char *, cp, tor_free(cp));
 712   smartlist_free(invalid);
 713   tor_free(mem_op_hex_tmp);
 714 }
 715
 716 static int mock_rgsbd_called = 0;
 717 static routerstatus_t *mock_rgsbd_val_a = NULL;
 718 static routerstatus_t *mock_rgsbd_val_b = NULL;
 719 static routerstatus_t *
 720 mock_router_get_status_by_digest(networkstatus_t *c, const char *d)
 721 {
 722   (void) c;
 723   ++mock_rgsbd_called;
 724
 725   if (fast_memeq(d, "\x5d\x76", 2)) {
 726     memcpy(mock_rgsbd_val_a->descriptor_digest, d, 32);
 727     return mock_rgsbd_val_a;
 728   } else if (fast_memeq(d, "\x20\xd1", 2)) {
 729     memcpy(mock_rgsbd_val_b->descriptor_digest, d, 32);
 730     return mock_rgsbd_val_b;
 731   } else {
 732     return NULL;
 733   }
 734 }
 735
 736 static networkstatus_t *mock_ns_val = NULL;
 737 static networkstatus_t *
 738 mock_ns_get_by_flavor(consensus_flavor_t f)
 739 {
 740   (void)f;
 741   return mock_ns_val;
 742 }
 743
 744 static void
 745 test_md_reject_cache(void *arg)
 746 {
 747   (void) arg;
 748   microdesc_cache_t *mc = NULL ;
 749   smartlist_t *added = NULL, *wanted = smartlist_new();
 750   or_options_t *options = get_options_mutable();
 751   char buf[DIGEST256_LEN];
 752
 753   tor_free(options->DataDirectory);
 754   options->DataDirectory = tor_strdup(get_fname("md_datadir_test_rej"));
 755   mock_rgsbd_val_a = tor_malloc_zero(sizeof(routerstatus_t));
 756   mock_rgsbd_val_b = tor_malloc_zero(sizeof(routerstatus_t));
 757   mock_ns_val = tor_malloc_zero(sizeof(networkstatus_t));
 758
 759   mock_ns_val->valid_after = time(NULL) - 86400;
 760   mock_ns_val->valid_until = time(NULL) + 86400;
 761   mock_ns_val->flavor = FLAV_MICRODESC;
 762
 763 #ifdef _WIN32
 764   tt_int_op(0, OP_EQ, mkdir(options->DataDirectory));
 765 #else
 766   tt_int_op(0, OP_EQ, mkdir(options->DataDirectory, 0700));
 767 #endif
 768
 769   MOCK(router_get_mutable_consensus_status_by_descriptor_digest,
 770        mock_router_get_status_by_digest);
 771   MOCK(networkstatus_get_latest_consensus_by_flavor, mock_ns_get_by_flavor);
 772
 773   mc = get_microdesc_cache();
 774 #define ADD(hex)                                                        \
 775   do {                                                                  \
 776     tt_int_op(0,OP_EQ,base16_decode(buf,sizeof(buf),hex,strlen(hex)));     \
 777     smartlist_add(wanted, tor_memdup(buf, DIGEST256_LEN));              \
 778   } while (0)
 779
 780   /* invalid,0 */
 781   ADD("5d76bf1c6614e885614a1e0ad074e1ab4ea14655ebeefb1736a71b5ed8a15a51");
 782   /* invalid,2 */
 783   ADD("20d1576c5ab11bbcff0dedb1db4a3cfcc8bc8dd839d8cbfef92d00a1a7d7b294");
 784   /* valid, 6 */
 785   ADD("53f740bd222ab37f19f604b1d3759aa65eff1fbce9ac254bd0fa50d4af9b1bae");
 786   /* valid, 8 */
 787   ADD("a0a155562d8093d8fd0feb7b93b7226e17f056c2142aab7a4ea8c5867a0376d5");
 788
 789   added = microdescs_add_to_cache(mc, MD_PARSE_TEST_DATA, NULL,
 790                                   SAVED_NOWHERE, 0, time(NULL), wanted);
 791
 792   tt_int_op(smartlist_len(added), OP_EQ, 2);
 793   tt_int_op(mock_rgsbd_called, OP_EQ, 2);
 794   tt_int_op(mock_rgsbd_val_a->dl_status.n_download_failures, OP_EQ, 255);
 795   tt_int_op(mock_rgsbd_val_b->dl_status.n_download_failures, OP_EQ, 255);
 796
 797  done:
 798   UNMOCK(networkstatus_get_latest_consensus_by_flavor);
 799   UNMOCK(router_get_mutable_consensus_status_by_descriptor_digest);
 800   tor_free(options->DataDirectory);
 801   microdesc_free_all();
 802   smartlist_free(added);
 803   SMARTLIST_FOREACH(wanted, char *, cp, tor_free(cp));
 804   smartlist_free(wanted);
 805   tor_free(mock_rgsbd_val_a);
 806   tor_free(mock_rgsbd_val_b);
 807   tor_free(mock_ns_val);
 808 }
 809
 810 static void
 811 test_md_corrupt_desc(void *arg)
 812 {
 813   char *cp = NULL;
 814   smartlist_t *sl = NULL;
 815   (void) arg;
 816
 817   sl = microdescs_add_to_cache(get_microdesc_cache(),
 818                                "@last-listed 2015-06-22 10:00:00\n"
 819                                "onion-k\n",
 820                                NULL, SAVED_IN_JOURNAL, 0, time(NULL), NULL);
 821   tt_int_op(smartlist_len(sl), ==, 0);
 822   smartlist_free(sl);
 823
 824   sl = microdescs_add_to_cache(get_microdesc_cache(),
 825                                "@last-listed 2015-06-22 10:00:00\n"
 826                                "wiggly\n",
 827                                NULL, SAVED_IN_JOURNAL, 0, time(NULL), NULL);
 828   tt_int_op(smartlist_len(sl), ==, 0);
 829   smartlist_free(sl);
 830
 831   tor_asprintf(&cp, "%s\n%s", test_md1, "@foobar\nonion-wobble\n");
 832
 833   sl = microdescs_add_to_cache(get_microdesc_cache(),
 834                                cp, cp+strlen(cp),
 835                                SAVED_IN_JOURNAL, 0, time(NULL), NULL);
 836   tt_int_op(smartlist_len(sl), ==, 0);
 837
 838  done:
 839   tor_free(cp);
 840   smartlist_free(sl);
 841 }
 842
 843 struct testcase_t microdesc_tests[] = {
 844   { "cache", test_md_cache, TT_FORK, NULL, NULL },
 845   { "broken_cache", test_md_cache_broken, TT_FORK, NULL, NULL },
 846   { "generate", test_md_generate, 0, NULL, NULL },
 847   { "parse", test_md_parse, 0, NULL, NULL },
 848   { "reject_cache", test_md_reject_cache, TT_FORK, NULL, NULL },
 849   { "corrupt_desc", test_md_corrupt_desc, TT_FORK, NULL, NULL },
 850   END_OF_TESTCASES
 851 };
 852