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Merge branch 'maint-0.4.6'
[tor.git] / src / test / test_nodelist.c
blob250db9a964a1c1cf7d94be79dfd42cc428bb91b3
1 /* Copyright (c) 2007-2021, The Tor Project, Inc. */
2 /* See LICENSE for licensing information */
3
4 /**
5 * \file test_nodelist.c
6 * \brief Unit tests for nodelist related functions.
7 **/
8
9 #define NODELIST_PRIVATE
10 #define NETWORKSTATUS_PRIVATE
11
12 #include "core/or/or.h"
13 #include "lib/crypt_ops/crypto_rand.h"
14 #include "lib/crypt_ops/crypto_format.h"
15 #include "feature/nodelist/describe.h"
16 #include "feature/nodelist/networkstatus.h"
17 #include "feature/nodelist/nodefamily.h"
18 #include "feature/nodelist/nodelist.h"
19 #include "feature/nodelist/torcert.h"
20
21 #include "core/or/extend_info_st.h"
22 #include "feature/dirauth/dirvote.h"
23 #include "feature/nodelist/fmt_routerstatus.h"
24 #include "feature/nodelist/microdesc_st.h"
25 #include "feature/nodelist/networkstatus_st.h"
26 #include "feature/nodelist/node_st.h"
27 #include "feature/nodelist/nodefamily_st.h"
28 #include "feature/nodelist/routerinfo_st.h"
29 #include "feature/nodelist/routerstatus_st.h"
30
31 #include "test/test.h"
32 #include "test/log_test_helpers.h"
33
34 /** Test the case when node_get_by_id() returns NULL,
35 * node_get_verbose_nickname_by_id should return the base 16 encoding
36 * of the id.
37 */
38 static void
39 test_nodelist_node_get_verbose_nickname_by_id_null_node(void *arg)
40 {
41 char vname[MAX_VERBOSE_NICKNAME_LEN+1];
42 const char ID[] = "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
43 "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA";
44 (void) arg;
45
46 /* make sure node_get_by_id returns NULL */
47 tt_assert(!node_get_by_id(ID));
48 node_get_verbose_nickname_by_id(ID, vname);
49 tt_str_op(vname,OP_EQ, "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA");
50 done:
51 return;
52 }
53
54 /** For routers without named flag, get_verbose_nickname should return
55 * "Fingerprint~Nickname"
56 */
57 static void
58 test_nodelist_node_get_verbose_nickname_not_named(void *arg)
59 {
60 node_t mock_node;
61 routerstatus_t mock_rs;
62
63 char vname[MAX_VERBOSE_NICKNAME_LEN+1];
64
65 (void) arg;
66
67 memset(&mock_node, 0, sizeof(node_t));
68 memset(&mock_rs, 0, sizeof(routerstatus_t));
69
70 /* verbose nickname should use ~ instead of = for unnamed routers */
71 strlcpy(mock_rs.nickname, "TestOR", sizeof(mock_rs.nickname));
72 mock_node.rs = &mock_rs;
73 memcpy(mock_node.identity,
74 "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
75 "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA",
76 DIGEST_LEN);
77 node_get_verbose_nickname(&mock_node, vname);
78 tt_str_op(vname,OP_EQ, "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~TestOR");
79
80 done:
81 return;
82 }
83
84 /** A node should be considered a directory server if it has an open dirport
85 * or it accepts tunnelled directory requests.
86 */
87 static void
88 test_nodelist_node_is_dir(void *arg)
89 {
90 (void)arg;
91
92 routerstatus_t rs;
93 routerinfo_t ri;
94 node_t node;
95 memset(&node, 0, sizeof(node_t));
96 memset(&rs, 0, sizeof(routerstatus_t));
97 memset(&ri, 0, sizeof(routerinfo_t));
98
99 tt_assert(!node_is_dir(&node));
100
101 node.rs = &rs;
102 tt_assert(!node_is_dir(&node));
103
104 rs.is_v2_dir = 1;
105 tt_assert(node_is_dir(&node));
106
107 rs.is_v2_dir = 0;
108 rs.ipv4_dirport = 1;
109 tt_assert(! node_is_dir(&node));
110
111 node.rs = NULL;
112 tt_assert(!node_is_dir(&node));
113 node.ri = &ri;
114 ri.supports_tunnelled_dir_requests = 1;
115 tt_assert(node_is_dir(&node));
116 ri.supports_tunnelled_dir_requests = 0;
117 ri.ipv4_dirport = 1;
118 tt_assert(! node_is_dir(&node));
119
120 done:
121 return;
122 }
123
124 static networkstatus_t *dummy_ns = NULL;
125 static networkstatus_t *
126 mock_networkstatus_get_latest_consensus(void)
127 {
128 return dummy_ns;
129 }
130 static networkstatus_t *
131 mock_networkstatus_get_latest_consensus_by_flavor(consensus_flavor_t f)
132 {
133 tor_assert(f == FLAV_MICRODESC);
134 return dummy_ns;
135 }
136
137 static void
138 test_nodelist_ed_id(void *arg)
139 {
140 #define N_NODES 5
141 routerstatus_t *rs[N_NODES];
142 microdesc_t *md[N_NODES];
143 routerinfo_t *ri[N_NODES];
144 networkstatus_t *ns;
145 int i;
146 (void)arg;
147
148 ns = tor_malloc_zero(sizeof(networkstatus_t));
149 ns->flavor = FLAV_MICRODESC;
150 ns->routerstatus_list = smartlist_new();
151 dummy_ns = ns;
152 MOCK(networkstatus_get_latest_consensus,
153 mock_networkstatus_get_latest_consensus);
154 MOCK(networkstatus_get_latest_consensus_by_flavor,
155 mock_networkstatus_get_latest_consensus_by_flavor);
156
157 /* Make a bunch of dummy objects that we can play around with. Only set the
158 necessary fields */
159
160 for (i = 0; i < N_NODES; ++i) {
161 rs[i] = tor_malloc_zero(sizeof(*rs[i]));
162 md[i] = tor_malloc_zero(sizeof(*md[i]));
163 ri[i] = tor_malloc_zero(sizeof(*ri[i]));
164
165 crypto_rand(md[i]->digest, sizeof(md[i]->digest));
166 md[i]->ed25519_identity_pkey = tor_malloc(sizeof(ed25519_public_key_t));
167 crypto_rand((char*)md[i]->ed25519_identity_pkey,
168 sizeof(ed25519_public_key_t));
169 crypto_rand(rs[i]->identity_digest, sizeof(rs[i]->identity_digest));
170 memcpy(ri[i]->cache_info.identity_digest, rs[i]->identity_digest,
171 DIGEST_LEN);
172 memcpy(rs[i]->descriptor_digest, md[i]->digest, DIGEST256_LEN);
173 ri[i]->cache_info.signing_key_cert = tor_malloc_zero(sizeof(tor_cert_t));
174 memcpy(&ri[i]->cache_info.signing_key_cert->signing_key,
175 md[i]->ed25519_identity_pkey, sizeof(ed25519_public_key_t));
176
177 if (i < 3)
178 smartlist_add(ns->routerstatus_list, rs[i]);
179 }
180
181 tt_int_op(0, OP_EQ, smartlist_len(nodelist_get_list()));
182
183 nodelist_set_consensus(ns);
184
185 tt_int_op(3, OP_EQ, smartlist_len(nodelist_get_list()));
186
187 /* No Ed25519 info yet, so nothing has an ED id. */
188 tt_ptr_op(NULL, OP_EQ, node_get_by_ed25519_id(md[0]->ed25519_identity_pkey));
189
190 /* Register the first one by md, then look it up. */
191 node_t *n = nodelist_add_microdesc(md[0]);
192 tt_ptr_op(n, OP_EQ, node_get_by_ed25519_id(md[0]->ed25519_identity_pkey));
193
194 /* Register the second by ri, then look it up. */
195 routerinfo_t *ri_old = NULL;
196 n = nodelist_set_routerinfo(ri[1], &ri_old);
197 tt_ptr_op(n, OP_EQ, node_get_by_ed25519_id(md[1]->ed25519_identity_pkey));
198 tt_ptr_op(ri_old, OP_EQ, NULL);
199
200 /* Register it by md too. */
201 node_t *n2 = nodelist_add_microdesc(md[1]);
202 tt_ptr_op(n2, OP_EQ, n);
203 tt_ptr_op(n, OP_EQ, node_get_by_ed25519_id(md[1]->ed25519_identity_pkey));
204
205 /* Register the 4th by ri only -- we never put it into the networkstatus,
206 * so it has to be independent */
207 node_t *n3 = nodelist_set_routerinfo(ri[3], &ri_old);
208 tt_ptr_op(n3, OP_EQ, node_get_by_ed25519_id(md[3]->ed25519_identity_pkey));
209 tt_ptr_op(ri_old, OP_EQ, NULL);
210 tt_int_op(4, OP_EQ, smartlist_len(nodelist_get_list()));
211
212 /* Register the 5th by ri only, and rewrite its ed25519 pubkey to be
213 * the same as the 4th, to test the duplicate ed25519 key logging in
214 * nodelist.c */
215 memcpy(md[4]->ed25519_identity_pkey, md[3]->ed25519_identity_pkey,
216 sizeof(ed25519_public_key_t));
217 memcpy(&ri[4]->cache_info.signing_key_cert->signing_key,
218 md[3]->ed25519_identity_pkey, sizeof(ed25519_public_key_t));
219
220 setup_capture_of_logs(LOG_NOTICE);
221 node_t *n4 = nodelist_set_routerinfo(ri[4], &ri_old);
222 tt_ptr_op(ri_old, OP_EQ, NULL);
223 tt_int_op(5, OP_EQ, smartlist_len(nodelist_get_list()));
224 tt_ptr_op(n4, OP_NE, node_get_by_ed25519_id(md[3]->ed25519_identity_pkey));
225 tt_ptr_op(n3, OP_EQ, node_get_by_ed25519_id(md[3]->ed25519_identity_pkey));
226 expect_log_msg_containing("Reused ed25519_id");
227
228 done:
229 teardown_capture_of_logs();
230 for (i = 0; i < N_NODES; ++i) {
231 tor_free(rs[i]);
232 tor_free(md[i]->ed25519_identity_pkey);
233 tor_free(md[i]);
234 tor_free(ri[i]->cache_info.signing_key_cert);
235 tor_free(ri[i]);
236 }
237 smartlist_clear(ns->routerstatus_list);
238 networkstatus_vote_free(ns);
239 UNMOCK(networkstatus_get_latest_consensus);
240 UNMOCK(networkstatus_get_latest_consensus_by_flavor);
241 #undef N_NODES
242 }
243
244 static void
245 test_nodelist_nodefamily(void *arg)
246 {
247 (void)arg;
248 /* hex ID digests */
249 const char h1[] = "5B435D6869206861206C65207363617270652070";
250 const char h2[] = "75C3B220616E6461726520696E206769726F2061";
251 const char h3[] = "2074726F766172206461206D616E67696172652C";
252 const char h4[] = "206D656E747265206E6F6E2076616C65206C2769";
253 const char h5[] = "6E766572736F2E202D2D5072696D6F204C657669";
254
255 /* binary ID digests */
256 uint8_t d1[DIGEST_LEN], d2[DIGEST_LEN], d3[DIGEST_LEN], d4[DIGEST_LEN],
257 d5[DIGEST_LEN];
258 base16_decode((char*)d1, sizeof(d1), h1, strlen(h1));
259 base16_decode((char*)d2, sizeof(d2), h2, strlen(h2));
260 base16_decode((char*)d3, sizeof(d3), h3, strlen(h3));
261 base16_decode((char*)d4, sizeof(d4), h4, strlen(h4));
262 base16_decode((char*)d5, sizeof(d5), h5, strlen(h5));
263
264 char *enc=NULL, *enc2=NULL;
265
266 nodefamily_t *nf1 = NULL;
267 nodefamily_t *nf2 = NULL;
268 nodefamily_t *nf3 = NULL;
269
270 enc = nodefamily_format(NULL);
271 tt_str_op(enc, OP_EQ, "");
272 tor_free(enc);
273
274 /* Make sure that sorting and de-duplication work. */
275 tor_asprintf(&enc, "$%s hello", h1);
276 nf1 = nodefamily_parse(enc, NULL, 0);
277 tt_assert(nf1);
278 tor_free(enc);
279
280 tor_asprintf(&enc, "hello hello $%s hello", h1);
281 nf2 = nodefamily_parse(enc, NULL, 0);
282 tt_assert(nf2);
283 tt_ptr_op(nf1, OP_EQ, nf2);
284 tor_free(enc);
285
286 tor_asprintf(&enc, "%s $%s hello", h1, h1);
287 nf3 = nodefamily_parse(enc, NULL, 0);
288 tt_assert(nf3);
289 tt_ptr_op(nf1, OP_EQ, nf3);
290 tor_free(enc);
291
292 tt_assert(nodefamily_contains_rsa_id(nf1, d1));
293 tt_assert(! nodefamily_contains_rsa_id(nf1, d2));
294 tt_assert(nodefamily_contains_nickname(nf1, "hello"));
295 tt_assert(nodefamily_contains_nickname(nf1, "HELLO"));
296 tt_assert(! nodefamily_contains_nickname(nf1, "goodbye"));
297
298 tt_int_op(nf1->refcnt, OP_EQ, 3);
299 nodefamily_free(nf3);
300 tt_int_op(nf1->refcnt, OP_EQ, 2);
301
302 /* Try parsing with a provided self RSA digest. */
303 nf3 = nodefamily_parse("hello ", d1, 0);
304 tt_assert(nf3);
305 tt_ptr_op(nf1, OP_EQ, nf3);
306
307 /* Do we get the expected result when we re-encode? */
308 tor_asprintf(&enc, "$%s hello", h1);
309 enc2 = nodefamily_format(nf1);
310 tt_str_op(enc2, OP_EQ, enc);
311 tor_free(enc2);
312 tor_free(enc);
313
314 /* Make sure that we get a different result if we give a different digest. */
315 nodefamily_free(nf3);
316 tor_asprintf(&enc, "hello $%s hello", h3);
317 nf3 = nodefamily_parse(enc, NULL, 0);
318 tt_assert(nf3);
319 tt_ptr_op(nf1, OP_NE, nf3);
320 tor_free(enc);
321
322 tt_assert(nodefamily_contains_rsa_id(nf3, d3));
323 tt_assert(! nodefamily_contains_rsa_id(nf3, d2));
324 tt_assert(! nodefamily_contains_rsa_id(nf3, d1));
325 tt_assert(nodefamily_contains_nickname(nf3, "hello"));
326 tt_assert(! nodefamily_contains_nickname(nf3, "goodbye"));
327
328 nodefamily_free(nf1);
329 nodefamily_free(nf2);
330 nodefamily_free(nf3);
331
332 /* Try one with several digests, all with nicknames appended, in different
333 formats. */
334 tor_asprintf(&enc, "%s $%s $%s=res $%s~ist", h1, h2, h3, h4);
335 nf1 = nodefamily_parse(enc, d5, 0);
336 tt_assert(nf1);
337 tt_assert(nodefamily_contains_rsa_id(nf1, d1));
338 tt_assert(nodefamily_contains_rsa_id(nf1, d2));
339 tt_assert(nodefamily_contains_rsa_id(nf1, d3));
340 tt_assert(nodefamily_contains_rsa_id(nf1, d4));
341 tt_assert(nodefamily_contains_rsa_id(nf1, d5));
342 /* Nicknames aren't preserved when ids are present, since node naming is
343 * deprecated */
344 tt_assert(! nodefamily_contains_nickname(nf3, "res"));
345 tor_free(enc);
346 tor_asprintf(&enc, "$%s $%s $%s $%s $%s", h4, h3, h1, h5, h2);
347 enc2 = nodefamily_format(nf1);
348 tt_str_op(enc, OP_EQ, enc2);
349 tor_free(enc);
350 tor_free(enc2);
351
352 /* Try ones where we parse the empty string. */
353 nf2 = nodefamily_parse("", NULL, 0);
354 nf3 = nodefamily_parse("", d4, 0);
355 tt_assert(nf2);
356 tt_assert(nf3);
357 tt_ptr_op(nf2, OP_NE, nf3);
358
359 tt_assert(! nodefamily_contains_rsa_id(nf2, d4));
360 tt_assert(nodefamily_contains_rsa_id(nf3, d4));
361 tt_assert(! nodefamily_contains_rsa_id(nf2, d5));
362 tt_assert(! nodefamily_contains_rsa_id(nf3, d5));
363 tt_assert(! nodefamily_contains_nickname(nf2, "fred"));
364 tt_assert(! nodefamily_contains_nickname(nf3, "bosco"));
365
366 /* The NULL family should contain nothing. */
367 tt_assert(! nodefamily_contains_rsa_id(NULL, d4));
368 tt_assert(! nodefamily_contains_rsa_id(NULL, d5));
369
370 done:
371 tor_free(enc);
372 tor_free(enc2);
373 nodefamily_free(nf1);
374 nodefamily_free(nf2);
375 nodefamily_free(nf3);
376 nodefamily_free_all();
377 }
378
379 static void
380 test_nodelist_nodefamily_parse_err(void *arg)
381 {
382 (void)arg;
383 nodefamily_t *nf1 = NULL;
384 char *enc = NULL;
385 const char *semibogus =
386 "sdakljfdslkfjdsaklfjdkl9sdf " // too long for nickname
387 "$jkASDFLkjsadfjhkl " // not hex
388 "$7468696e67732d696e2d7468656d73656c766573 " // ok
389 "reticulatogranulate "// ok
390 "$73656d69616e7468726f706f6c6f676963616c6c79 " // too long for hex
391 "$616273656e746d696e6465646e6573736573" // too short for hex
392 ;
393
394 setup_capture_of_logs(LOG_WARN);
395
396 // We only get two items when we parse this.
397 for (int reject = 0; reject <= 1; ++reject) {
398 for (int log_at_warn = 0; log_at_warn <= 1; ++log_at_warn) {
399 unsigned flags = log_at_warn ? NF_WARN_MALFORMED : 0;
400 flags |= reject ? NF_REJECT_MALFORMED : 0;
401 nf1 = nodefamily_parse(semibogus, NULL, flags);
402 if (reject) {
403 tt_assert(nf1 == NULL);
404 } else {
405 tt_assert(nf1);
406 enc = nodefamily_format(nf1);
407 tt_str_op(enc, OP_EQ,
408 "$7468696E67732D696E2D7468656D73656C766573 "
409 "reticulatogranulate");
410 tor_free(enc);
411 }
412
413 if (log_at_warn) {
414 expect_log_msg_containing("$616273656e746d696e6465646e6573736573");
415 expect_log_msg_containing("sdakljfdslkfjdsaklfjdkl9sdf");
416 } else {
417 tt_int_op(mock_saved_log_n_entries(), OP_EQ, 0);
418 }
419 mock_clean_saved_logs();
420 }
421 }
422
423 done:
424 tor_free(enc);
425 nodefamily_free(nf1);
426 teardown_capture_of_logs();
427 }
428
429 static const node_t *
430 mock_node_get_by_id(const char *id)
431 {
432 if (fast_memeq(id, "!!!!!!!!!!!!!!!!!!!!", DIGEST_LEN))
433 return NULL;
434
435 // use tor_free, not node_free.
436 node_t *fake_node = tor_malloc_zero(sizeof(node_t));
437 memcpy(fake_node->identity, id, DIGEST_LEN);
438 return fake_node;
439 }
440
441 static const node_t *
442 mock_node_get_by_nickname(const char *nn, unsigned flags)
443 {
444 (void)flags;
445 if (!strcmp(nn, "nonesuch"))
446 return NULL;
447
448 // use tor_free, not node_free.
449 node_t *fake_node = tor_malloc_zero(sizeof(node_t));
450 strlcpy(fake_node->identity, nn, DIGEST_LEN);
451 return fake_node;
452 }
453
454 static void
455 test_nodelist_nodefamily_lookup(void *arg)
456 {
457 (void)arg;
458 MOCK(node_get_by_nickname, mock_node_get_by_nickname);
459 MOCK(node_get_by_id, mock_node_get_by_id);
460 smartlist_t *sl = smartlist_new();
461 nodefamily_t *nf1 = NULL;
462 char *mem_op_hex_tmp = NULL;
463
464 // 'null' is allowed.
465 nodefamily_add_nodes_to_smartlist(NULL, sl);
466 tt_int_op(smartlist_len(sl), OP_EQ, 0);
467
468 // Try a real family
469 nf1 = nodefamily_parse("$EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE "
470 "$2121212121212121212121212121212121212121 "
471 "$3333333333333333333333333333333333333333 "
472 "erewhon nonesuch", NULL, 0);
473 tt_assert(nf1);
474 nodefamily_add_nodes_to_smartlist(nf1, sl);
475 // There were 5 elements; 2 were dropped because the mocked lookup failed.
476 tt_int_op(smartlist_len(sl), OP_EQ, 3);
477
478 const node_t *n = smartlist_get(sl, 0);
479 test_memeq_hex(n->identity, "3333333333333333333333333333333333333333");
480 n = smartlist_get(sl, 1);
481 test_memeq_hex(n->identity, "EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE");
482 n = smartlist_get(sl, 2);
483 tt_str_op(n->identity, OP_EQ, "erewhon");
484
485 done:
486 UNMOCK(node_get_by_nickname);
487 UNMOCK(node_get_by_id);
488 SMARTLIST_FOREACH(sl, node_t *, fake_node, tor_free(fake_node));
489 smartlist_free(sl);
490 nodefamily_free(nf1);
491 tor_free(mem_op_hex_tmp);
492 }
493
494 static void
495 test_nodelist_nickname_matches(void *arg)
496 {
497 (void)arg;
498 node_t mock_node;
499 routerstatus_t mock_rs;
500 memset(&mock_node, 0, sizeof(mock_node));
501 memset(&mock_rs, 0, sizeof(mock_rs));
502
503 strlcpy(mock_rs.nickname, "evilgeniuses", sizeof(mock_rs.nickname));
504 mock_node.rs = &mock_rs;
505 memcpy(mock_node.identity, ".forabettertomorrow.", DIGEST_LEN);
506
507 #define match(x) tt_assert(node_nickname_matches(&mock_node, (x)))
508 #define no_match(x) tt_assert(! node_nickname_matches(&mock_node, (x)))
509
510 match("evilgeniuses");
511 match("EvilGeniuses");
512 match("EvilGeniuses");
513 match("2e666f7261626574746572746f6d6f72726f772e");
514 match("2E666F7261626574746572746F6D6F72726F772E");
515 match("$2e666f7261626574746572746f6d6f72726f772e");
516 match("$2E666F7261626574746572746F6D6F72726F772E");
517 match("$2E666F7261626574746572746F6D6F72726F772E~evilgeniuses");
518 match("$2E666F7261626574746572746F6D6F72726F772E~EVILGENIUSES");
519
520 no_match("evilgenius");
521 no_match("evilgeniuseses");
522 no_match("evil.genius");
523 no_match("$2E666F7261626574746572746F6D6F72726FFFFF");
524 no_match("2E666F7261626574746572746F6D6F72726FFFFF");
525 no_match("$2E666F7261626574746572746F6D6F72726F772E~fred");
526 no_match("$2E666F7261626574746572746F6D6F72726F772E=EVILGENIUSES");
527 done:
528 ;
529 }
530
531 static void
532 test_nodelist_node_nodefamily(void *arg)
533 {
534 (void)arg;
535 node_t mock_node1;
536 routerstatus_t mock_rs;
537 microdesc_t mock_md;
538
539 node_t mock_node2;
540 routerinfo_t mock_ri;
541
542 smartlist_t *nodes=smartlist_new();
543
544 memset(&mock_node1, 0, sizeof(mock_node1));
545 memset(&mock_node2, 0, sizeof(mock_node2));
546 memset(&mock_rs, 0, sizeof(mock_rs));
547 memset(&mock_md, 0, sizeof(mock_md));
548 memset(&mock_ri, 0, sizeof(mock_ri));
549
550 mock_node1.rs = &mock_rs;
551 mock_node1.md = &mock_md;
552
553 mock_node2.ri = &mock_ri;
554
555 strlcpy(mock_rs.nickname, "nodeone", sizeof(mock_rs.nickname));
556 mock_ri.nickname = tor_strdup("nodetwo");
557
558 memcpy(mock_node1.identity, "NodeOneNode1NodeOne1", DIGEST_LEN);
559 memcpy(mock_node2.identity, "SecondNodeWe'reTestn", DIGEST_LEN);
560
561 // empty families.
562 tt_assert(! node_family_contains(&mock_node1, &mock_node2));
563 tt_assert(! node_family_contains(&mock_node2, &mock_node1));
564
565 // Families contain nodes, but not these nodes
566 mock_ri.declared_family = smartlist_new();
567 smartlist_add(mock_ri.declared_family, (char*)"NodeThree");
568 mock_md.family = nodefamily_parse("NodeFour", NULL, 0);
569 tt_assert(! node_family_contains(&mock_node1, &mock_node2));
570 tt_assert(! node_family_contains(&mock_node2, &mock_node1));
571
572 // Families contain one another.
573 smartlist_add(mock_ri.declared_family, (char*)
574 "4e6f64654f6e654e6f6465314e6f64654f6e6531");
575 tt_assert(! node_family_contains(&mock_node1, &mock_node2));
576 tt_assert(node_family_contains(&mock_node2, &mock_node1));
577
578 nodefamily_free(mock_md.family);
579 mock_md.family = nodefamily_parse(
580 "NodeFour "
581 "5365636f6e644e6f64655765277265546573746e", NULL, 0);
582 tt_assert(node_family_contains(&mock_node1, &mock_node2));
583 tt_assert(node_family_contains(&mock_node2, &mock_node1));
584
585 // Try looking up families now.
586 MOCK(node_get_by_nickname, mock_node_get_by_nickname);
587 MOCK(node_get_by_id, mock_node_get_by_id);
588
589 node_lookup_declared_family(nodes, &mock_node1);
590 tt_int_op(smartlist_len(nodes), OP_EQ, 2);
591 const node_t *n = smartlist_get(nodes, 0);
592 tt_mem_op(n->identity, OP_EQ, "SecondNodeWe'reTestn", DIGEST_LEN);
593 n = smartlist_get(nodes, 1);
594 tt_str_op(n->identity, OP_EQ, "nodefour");
595
596 // free, try the other one.
597 SMARTLIST_FOREACH(nodes, node_t *, x, tor_free(x));
598 smartlist_clear(nodes);
599
600 node_lookup_declared_family(nodes, &mock_node2);
601 tt_int_op(smartlist_len(nodes), OP_EQ, 2);
602 n = smartlist_get(nodes, 0);
603 // This gets a truncated hex hex ID since it was looked up by name
604 tt_str_op(n->identity, OP_EQ, "NodeThree");
605 n = smartlist_get(nodes, 1);
606 tt_str_op(n->identity, OP_EQ, "4e6f64654f6e654e6f6");
607
608 done:
609 UNMOCK(node_get_by_nickname);
610 UNMOCK(node_get_by_id);
611 smartlist_free(mock_ri.declared_family);
612 nodefamily_free(mock_md.family);
613 tor_free(mock_ri.nickname);
614 // use tor_free, these aren't real nodes
615 SMARTLIST_FOREACH(nodes, node_t *, x, tor_free(x));
616 smartlist_free(nodes);
617 }
618
619 static void
620 test_nodelist_nodefamily_canonicalize(void *arg)
621 {
622 (void)arg;
623 char *c = NULL;
624
625 c = nodefamily_canonicalize("", NULL, 0);
626 tt_str_op(c, OP_EQ, "");
627 tor_free(c);
628
629 uint8_t own_id[20];
630 memset(own_id, 0, sizeof(own_id));
631 c = nodefamily_canonicalize(
632 "alice BOB caroL %potrzebie !!!@#@# "
633 "$bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb=fred "
634 "ffffffffffffffffffffffffffffffffffffffff "
635 "$cccccccccccccccccccccccccccccccccccccccc ", own_id, 0);
636 tt_str_op(c, OP_EQ,
637 "!!!@#@# "
638 "$0000000000000000000000000000000000000000 "
639 "$BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB "
640 "$CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC "
641 "$FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF "
642 "%potrzebie "
643 "alice bob carol");
644
645 done:
646 tor_free(c);
647 }
648
649 /** format_node_description() should return
650 * "Fingerprint~Nickname at IPv4 and [IPv6]".
651 * The nickname and addresses are optional.
652 */
653 static void
654 test_nodelist_format_node_description(void *arg)
655 {
656 char mock_digest[DIGEST_LEN];
657 char mock_nickname[MAX_NICKNAME_LEN+1];
658 tor_addr_t mock_null_ip;
659 tor_addr_t mock_ipv4;
660 tor_addr_t mock_ipv6;
661 ed25519_public_key_t ed_id;
662
663 char ndesc[NODE_DESC_BUF_LEN];
664 const char *rv = NULL;
665
666 (void) arg;
667
668 /* Clear variables */
669 memset(ndesc, 0, sizeof(ndesc));
670 memset(mock_digest, 0, sizeof(mock_digest));
671 memset(mock_nickname, 0, sizeof(mock_nickname));
672 memset(&mock_null_ip, 0, sizeof(mock_null_ip));
673 memset(&mock_ipv4, 0, sizeof(mock_ipv4));
674 memset(&mock_ipv6, 0, sizeof(mock_ipv6));
675
676 /* Set variables */
677 memcpy(mock_digest,
678 "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
679 "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA",
680 sizeof(mock_digest));
681 strlcpy(mock_nickname, "TestOR7890123456789", sizeof(mock_nickname));
682 tor_addr_parse(&mock_ipv4, "111.222.233.244");
683 tor_addr_parse(&mock_ipv6, "[1111:2222:3333:4444:5555:6666:7777:8888]");
684
685 /* Test function with variables */
686 rv = format_node_description(ndesc,
687 mock_digest,
688 NULL,
689 NULL,
690 NULL,
691 NULL);
692 tt_ptr_op(rv, OP_EQ, ndesc);
693 tt_str_op(ndesc, OP_EQ, "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA");
694
695 /* format node description should use ~ because named is deprecated */
696 rv = format_node_description(ndesc,
697 mock_digest,
698 NULL,
699 mock_nickname,
700 NULL,
701 NULL);
702 tt_ptr_op(rv, OP_EQ, ndesc);
703 tt_str_op(ndesc, OP_EQ,
704 "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~""TestOR7890123456789");
705
706 /* Try a null IP address, rather than NULL */
707 rv = format_node_description(ndesc,
708 mock_digest,
709 NULL,
710 mock_nickname,
711 NULL,
712 &mock_null_ip);
713 tt_ptr_op(rv, OP_EQ, ndesc);
714 tt_str_op(ndesc, OP_EQ,
715 "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~TestOR7890123456789");
716
717 /* Try some real IP addresses */
718 rv = format_node_description(ndesc,
719 mock_digest,
720 NULL,
721 NULL,
722 &mock_ipv4,
723 NULL);
724 tt_ptr_op(rv, OP_EQ, ndesc);
725 tt_str_op(ndesc, OP_EQ,
726 "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA at 111.222.233.244");
727
728 rv = format_node_description(ndesc,
729 mock_digest,
730 NULL,
731 mock_nickname,
732 NULL,
733 &mock_ipv6);
734 tt_ptr_op(rv, OP_EQ, ndesc);
735 tt_str_op(ndesc, OP_EQ,
736 "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~TestOR7890123456789 at "
737 "[1111:2222:3333:4444:5555:6666:7777:8888]");
738
739 rv = format_node_description(ndesc,
740 mock_digest,
741 NULL,
742 mock_nickname,
743 &mock_ipv4,
744 &mock_ipv6);
745 tt_ptr_op(rv, OP_EQ, ndesc);
746 tt_str_op(ndesc, OP_EQ,
747 "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~TestOR7890123456789 at "
748 "111.222.233.244 and [1111:2222:3333:4444:5555:6666:7777:8888]");
749
750 /* Try some ed25519 keys. */
751 int n = ed25519_public_from_base64(&ed_id,
752 "+wBP6WVZzqKK+eTdwU7Hhb80xEm40FSZDBMNozTJpDE");
753 tt_int_op(n,OP_EQ,0);
754 rv = format_node_description(ndesc,
755 mock_digest,
756 &ed_id,
757 mock_nickname,
758 &mock_ipv4,
759 &mock_ipv6);
760 tt_str_op(ndesc, OP_EQ,
761 "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~TestOR7890123456789 "
762 "[+wBP6WVZzqKK+eTdwU7Hhb80xEm40FSZDBMNozTJpDE] at "
763 "111.222.233.244 and [1111:2222:3333:4444:5555:6666:7777:8888]");
764
765 /* test NULL handling */
766 rv = format_node_description(NULL, NULL, NULL, NULL, NULL, NULL);
767 tt_str_op(rv, OP_EQ, "<NULL BUFFER>");
768
769 rv = format_node_description(ndesc, NULL, NULL, NULL, NULL, NULL);
770 tt_ptr_op(rv, OP_EQ, ndesc);
771 tt_str_op(rv, OP_EQ, "<NULL ID DIGEST>");
772
773 done:
774 return;
775 }
776
777 /** router_describe() is a wrapper for format_node_description(), see that
778 * test for details.
779 *
780 * The routerinfo-only node_describe() tests are in this function,
781 * so we can re-use the same mocked variables.
782 */
783 static void
784 test_nodelist_router_describe(void *arg)
785 {
786 char mock_nickname[MAX_NICKNAME_LEN+1];
787 routerinfo_t mock_ri_ipv4;
788 routerinfo_t mock_ri_ipv6;
789 routerinfo_t mock_ri_dual;
790
791 const char *rv = NULL;
792
793 (void) arg;
794
795 /* Clear variables */
796 memset(mock_nickname, 0, sizeof(mock_nickname));
797 memset(&mock_ri_ipv4, 0, sizeof(mock_ri_ipv4));
798 memset(&mock_ri_ipv6, 0, sizeof(mock_ri_ipv6));
799 memset(&mock_ri_dual, 0, sizeof(mock_ri_dual));
800
801 /* Set up the dual-stack routerinfo */
802 memcpy(mock_ri_dual.cache_info.identity_digest,
803 "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
804 "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA",
805 sizeof(mock_ri_dual.cache_info.identity_digest));
806 strlcpy(mock_nickname, "TestOR7890123456789", sizeof(mock_nickname));
807 mock_ri_dual.nickname = mock_nickname;
808 tor_addr_parse(&mock_ri_dual.ipv4_addr, "111.222.233.244");
809 tor_addr_parse(&mock_ri_dual.ipv6_addr,
810 "[1111:2222:3333:4444:5555:6666:7777:8888]");
811
812 /* Create and modify the other routerinfos.
813 * mock_nickname is referenced from all 3 routerinfos.
814 * That's ok, all their memory is static. */
815 memcpy(&mock_ri_ipv4, &mock_ri_dual, sizeof(mock_ri_ipv4));
816 memcpy(&mock_ri_ipv6, &mock_ri_dual, sizeof(mock_ri_ipv6));
817 /* Clear the unnecessary addresses */
818 memset(&mock_ri_ipv4.ipv6_addr, 0, sizeof(mock_ri_ipv4.ipv6_addr));
819 tor_addr_make_unspec(&mock_ri_ipv6.ipv4_addr);
820
821 /* We don't test the no-nickname and no-IP cases, because they're covered by
822 * format_node_description(), and we don't expect to see them in Tor code. */
823
824 /* Try some real IP addresses */
825 rv = router_describe(&mock_ri_ipv4);
826 tt_str_op(rv, OP_EQ,
827 "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~TestOR7890123456789 at "
828 "111.222.233.244");
829
830 rv = router_describe(&mock_ri_ipv6);
831 tt_str_op(rv, OP_EQ,
832 "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~TestOR7890123456789 at "
833 "[1111:2222:3333:4444:5555:6666:7777:8888]");
834
835 rv = router_describe(&mock_ri_dual);
836 tt_str_op(rv, OP_EQ,
837 "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~TestOR7890123456789 at "
838 "111.222.233.244 and [1111:2222:3333:4444:5555:6666:7777:8888]");
839
840 /* test NULL handling */
841 rv = router_describe(NULL);
842 tt_str_op(rv, OP_EQ, "<null>");
843
844 /* Now test a node with only these routerinfos */
845 node_t mock_node;
846 memset(&mock_node, 0, sizeof(mock_node));
847 memcpy(mock_node.identity,
848 "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
849 "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA",
850 sizeof(mock_node.identity));
851
852 /* Try some real IP addresses */
853 mock_node.ri = &mock_ri_ipv4;
854 rv = node_describe(&mock_node);
855 tt_str_op(rv, OP_EQ,
856 "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~TestOR7890123456789 at "
857 "111.222.233.244");
858
859 mock_node.ri = &mock_ri_ipv6;
860 rv = node_describe(&mock_node);
861 tt_str_op(rv, OP_EQ,
862 "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~TestOR7890123456789 at "
863 "[1111:2222:3333:4444:5555:6666:7777:8888]");
864
865 mock_node.ri = &mock_ri_dual;
866 rv = node_describe(&mock_node);
867 tt_str_op(rv, OP_EQ,
868 "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~TestOR7890123456789 at "
869 "111.222.233.244 and [1111:2222:3333:4444:5555:6666:7777:8888]");
870
871 done:
872 return;
873 }
874
875 /** node_describe() is a wrapper for format_node_description(), see that
876 * test for details.
877 *
878 * The routerinfo-only and routerstatus-only node_describe() tests are in
879 * test_nodelist_router_describe() and test_nodelist_routerstatus_describe(),
880 * so we can re-use their mocked variables.
881 */
882 static void
883 test_nodelist_node_describe(void *arg)
884 {
885 char mock_nickname[MAX_NICKNAME_LEN+1];
886
887 const char *rv = NULL;
888
889 (void) arg;
890
891 /* Routerinfos */
892 routerinfo_t mock_ri_dual;
893
894 /* Clear variables */
895 memset(mock_nickname, 0, sizeof(mock_nickname));
896 memset(&mock_ri_dual, 0, sizeof(mock_ri_dual));
897
898 /* Set up the dual-stack routerinfo */
899 memcpy(mock_ri_dual.cache_info.identity_digest,
900 "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
901 "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA",
902 sizeof(mock_ri_dual.cache_info.identity_digest));
903 strlcpy(mock_nickname, "TestOR7890123456789", sizeof(mock_nickname));
904 mock_ri_dual.nickname = mock_nickname;
905 tor_addr_parse(&mock_ri_dual.ipv4_addr, "111.222.233.244");
906 tor_addr_parse(&mock_ri_dual.ipv6_addr,
907 "[1111:2222:3333:4444:5555:6666:7777:8888]");
908
909 /* Routerstatuses */
910 routerstatus_t mock_rs_ipv4;
911 routerstatus_t mock_rs_dual;
912
913 /* Clear variables */
914 memset(&mock_rs_ipv4, 0, sizeof(mock_rs_ipv4));
915 memset(&mock_rs_dual, 0, sizeof(mock_rs_dual));
916
917 /* Set up the dual-stack routerstatus */
918 memcpy(mock_rs_dual.identity_digest,
919 "\xBB\xBB\xBB\xBB\xBB\xBB\xBB\xBB\xBB\xBB"
920 "\xBB\xBB\xBB\xBB\xBB\xBB\xBB\xBB\xBB\xBB",
921 sizeof(mock_rs_dual.identity_digest));
922 strlcpy(mock_rs_dual.nickname, "Bbb",
923 sizeof(mock_rs_dual.nickname));
924 tor_addr_parse(&mock_rs_dual.ipv4_addr, "2.2.2.2");
925 tor_addr_parse(&mock_rs_dual.ipv6_addr,
926 "[bbbb::bbbb]");
927
928 /* Create and modify the other routerstatus. */
929 memcpy(&mock_rs_ipv4, &mock_rs_dual, sizeof(mock_rs_ipv4));
930 /* Clear the unnecessary IPv6 address */
931 memset(&mock_rs_ipv4.ipv6_addr, 0, sizeof(mock_rs_ipv4.ipv6_addr));
932
933 /* Microdescs */
934 microdesc_t mock_md_null;
935 microdesc_t mock_md_ipv6;
936
937 /* Clear variables */
938 memset(&mock_md_null, 0, sizeof(mock_md_null));
939 memset(&mock_md_ipv6, 0, sizeof(mock_md_ipv6));
940
941 /* Set up the microdesc */
942 tor_addr_parse(&mock_md_ipv6.ipv6_addr,
943 "[eeee::6000:6000]");
944
945 /* Set up the node */
946 node_t mock_node;
947 memset(&mock_node, 0, sizeof(mock_node));
948 memcpy(mock_node.identity,
949 "\xCC\xCC\xCC\xCC\xCC\xCC\xCC\xCC\xCC\xCC"
950 "\xCC\xCC\xCC\xCC\xCC\xCC\xCC\xCC\xCC\xCC",
951 sizeof(mock_node.identity));
952
953 /* Test that the routerinfo and routerstatus work separately, but the
954 * identity comes from the node */
955 mock_node.ri = &mock_ri_dual;
956 mock_node.rs = NULL;
957 mock_node.md = NULL;
958 rv = node_describe(&mock_node);
959 tt_str_op(rv, OP_EQ,
960 "$CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC~TestOR7890123456789 at "
961 "111.222.233.244 and [1111:2222:3333:4444:5555:6666:7777:8888]");
962
963 mock_node.ri = NULL;
964 mock_node.rs = &mock_rs_ipv4;
965 mock_node.md = NULL;
966 rv = node_describe(&mock_node);
967 tt_str_op(rv, OP_EQ,
968 "$CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC~Bbb at "
969 "2.2.2.2");
970
971 mock_node.ri = NULL;
972 mock_node.rs = &mock_rs_dual;
973 mock_node.md = NULL;
974 rv = node_describe(&mock_node);
975 tt_str_op(rv, OP_EQ,
976 "$CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC~Bbb at "
977 "2.2.2.2 and [bbbb::bbbb]");
978
979 /* Test that the routerstatus overrides the routerinfo */
980 mock_node.ri = &mock_ri_dual;
981 mock_node.rs = &mock_rs_ipv4;
982 mock_node.md = NULL;
983 rv = node_describe(&mock_node);
984 tt_str_op(rv, OP_EQ,
985 "$CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC~Bbb at "
986 "2.2.2.2");
987
988 mock_node.ri = &mock_ri_dual;
989 mock_node.rs = &mock_rs_dual;
990 mock_node.md = NULL;
991 rv = node_describe(&mock_node);
992 tt_str_op(rv, OP_EQ,
993 "$CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC~Bbb at "
994 "2.2.2.2 and [bbbb::bbbb]");
995
996 /* Test that the microdesc IPv6 is used if the routerinfo doesn't have IPv6
997 */
998 mock_node.ri = NULL;
999 mock_node.rs = &mock_rs_ipv4;
1000 mock_node.md = &mock_md_ipv6;
1001 rv = node_describe(&mock_node);
1002 tt_str_op(rv, OP_EQ,
1003 "$CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC~Bbb at "
1004 "2.2.2.2 and [eeee::6000:6000]");
1005
1006 mock_node.ri = NULL;
1007 mock_node.rs = &mock_rs_ipv4;
1008 mock_node.md = &mock_md_null;
1009 rv = node_describe(&mock_node);
1010 tt_str_op(rv, OP_EQ,
1011 "$CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC~Bbb at "
1012 "2.2.2.2");
1013
1014 mock_node.ri = NULL;
1015 mock_node.rs = &mock_rs_dual;
1016 mock_node.md = &mock_md_ipv6;
1017 rv = node_describe(&mock_node);
1018 tt_str_op(rv, OP_EQ,
1019 "$CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC~Bbb at "
1020 "2.2.2.2 and [bbbb::bbbb]");
1021
1022 mock_node.ri = NULL;
1023 mock_node.rs = &mock_rs_dual;
1024 mock_node.md = &mock_md_null;
1025 rv = node_describe(&mock_node);
1026 tt_str_op(rv, OP_EQ,
1027 "$CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC~Bbb at "
1028 "2.2.2.2 and [bbbb::bbbb]");
1029
1030 /* Test that the routerinfo doesn't change the results above
1031 */
1032 mock_node.ri = &mock_ri_dual;
1033 mock_node.rs = &mock_rs_ipv4;
1034 mock_node.md = &mock_md_ipv6;
1035 rv = node_describe(&mock_node);
1036 tt_str_op(rv, OP_EQ,
1037 "$CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC~Bbb at "
1038 "2.2.2.2 and [eeee::6000:6000]");
1039
1040 mock_node.ri = &mock_ri_dual;
1041 mock_node.rs = &mock_rs_ipv4;
1042 mock_node.md = &mock_md_null;
1043 rv = node_describe(&mock_node);
1044 tt_str_op(rv, OP_EQ,
1045 "$CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC~Bbb at "
1046 "2.2.2.2");
1047
1048 mock_node.ri = &mock_ri_dual;
1049 mock_node.rs = &mock_rs_dual;
1050 mock_node.md = &mock_md_ipv6;
1051 rv = node_describe(&mock_node);
1052 tt_str_op(rv, OP_EQ,
1053 "$CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC~Bbb at "
1054 "2.2.2.2 and [bbbb::bbbb]");
1055
1056 mock_node.ri = &mock_ri_dual;
1057 mock_node.rs = &mock_rs_dual;
1058 mock_node.md = &mock_md_null;
1059 rv = node_describe(&mock_node);
1060 tt_str_op(rv, OP_EQ,
1061 "$CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC~Bbb at "
1062 "2.2.2.2 and [bbbb::bbbb]");
1063
1064 /* test NULL handling */
1065 rv = node_describe(NULL);
1066 tt_str_op(rv, OP_EQ, "<null>");
1067
1068 mock_node.ri = NULL;
1069 mock_node.rs = NULL;
1070 mock_node.md = NULL;
1071 rv = node_describe(&mock_node);
1072 tt_str_op(rv, OP_EQ,
1073 "<null rs and ri>");
1074
1075 done:
1076 return;
1077 }
1078
1079 /** routerstatus_describe() is a wrapper for format_node_description(), see
1080 * that test for details.
1081 *
1082 * The routerstatus-only node_describe() tests are in this function,
1083 * so we can re-use the same mocked variables.
1084 */
1085 static void
1086 test_nodelist_routerstatus_describe(void *arg)
1087 {
1088 routerstatus_t mock_rs_ipv4;
1089 routerstatus_t mock_rs_ipv6;
1090 routerstatus_t mock_rs_dual;
1091
1092 const char *rv = NULL;
1093
1094 (void) arg;
1095
1096 /* Clear variables */
1097 memset(&mock_rs_ipv4, 0, sizeof(mock_rs_ipv4));
1098 memset(&mock_rs_ipv6, 0, sizeof(mock_rs_ipv6));
1099 memset(&mock_rs_dual, 0, sizeof(mock_rs_dual));
1100
1101 /* Set up the dual-stack routerstatus */
1102 memcpy(mock_rs_dual.identity_digest,
1103 "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
1104 "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA",
1105 sizeof(mock_rs_dual.identity_digest));
1106 strlcpy(mock_rs_dual.nickname, "TestOR7890123456789",
1107 sizeof(mock_rs_dual.nickname));
1108 tor_addr_parse(&mock_rs_dual.ipv4_addr, "111.222.233.244");
1109 tor_addr_parse(&mock_rs_dual.ipv6_addr,
1110 "[1111:2222:3333:4444:5555:6666:7777:8888]");
1111
1112 /* Create and modify the other routerstatuses. */
1113 memcpy(&mock_rs_ipv4, &mock_rs_dual, sizeof(mock_rs_ipv4));
1114 memcpy(&mock_rs_ipv6, &mock_rs_dual, sizeof(mock_rs_ipv6));
1115 /* Clear the unnecessary addresses */
1116 memset(&mock_rs_ipv4.ipv6_addr, 0, sizeof(mock_rs_ipv4.ipv6_addr));
1117 tor_addr_make_unspec(&mock_rs_ipv6.ipv4_addr);
1118
1119 /* We don't test the no-nickname and no-IP cases, because they're covered by
1120 * format_node_description(), and we don't expect to see them in Tor code. */
1121
1122 /* Try some real IP addresses */
1123 rv = routerstatus_describe(&mock_rs_ipv4);
1124 tt_str_op(rv, OP_EQ,
1125 "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~TestOR7890123456789 at "
1126 "111.222.233.244");
1127
1128 rv = routerstatus_describe(&mock_rs_ipv6);
1129 tt_str_op(rv, OP_EQ,
1130 "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~TestOR7890123456789 at "
1131 "[1111:2222:3333:4444:5555:6666:7777:8888]");
1132
1133 rv = routerstatus_describe(&mock_rs_dual);
1134 tt_str_op(rv, OP_EQ,
1135 "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~TestOR7890123456789 at "
1136 "111.222.233.244 and [1111:2222:3333:4444:5555:6666:7777:8888]");
1137
1138 /* test NULL handling */
1139 rv = routerstatus_describe(NULL);
1140 tt_str_op(rv, OP_EQ, "<null>");
1141
1142 /* Now test a node with only these routerstatuses */
1143 node_t mock_node;
1144 memset(&mock_node, 0, sizeof(mock_node));
1145 memcpy(mock_node.identity,
1146 "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
1147 "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA",
1148 sizeof(mock_node.identity));
1149
1150 /* Try some real IP addresses */
1151 mock_node.rs = &mock_rs_ipv4;
1152 rv = node_describe(&mock_node);
1153 tt_str_op(rv, OP_EQ,
1154 "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~TestOR7890123456789 at "
1155 "111.222.233.244");
1156
1157 mock_node.rs = &mock_rs_ipv6;
1158 rv = node_describe(&mock_node);
1159 tt_str_op(rv, OP_EQ,
1160 "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~TestOR7890123456789 at "
1161 "[1111:2222:3333:4444:5555:6666:7777:8888]");
1162
1163 mock_node.rs = &mock_rs_dual;
1164 rv = node_describe(&mock_node);
1165 tt_str_op(rv, OP_EQ,
1166 "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~TestOR7890123456789 at "
1167 "111.222.233.244 and [1111:2222:3333:4444:5555:6666:7777:8888]");
1168
1169 done:
1170 return;
1171 }
1172
1173 /** extend_info_describe() is a wrapper for format_node_description(), see
1174 * that test for details.
1175 */
1176 static void
1177 test_nodelist_extend_info_describe(void *arg)
1178 {
1179 extend_info_t mock_ei_ipv4;
1180 extend_info_t mock_ei_ipv6;
1181
1182 const char *rv = NULL;
1183
1184 (void) arg;
1185
1186 /* Clear variables */
1187 memset(&mock_ei_ipv4, 0, sizeof(mock_ei_ipv4));
1188 memset(&mock_ei_ipv6, 0, sizeof(mock_ei_ipv6));
1189
1190 /* Set up the IPv4 extend info */
1191 memcpy(mock_ei_ipv4.identity_digest,
1192 "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
1193 "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA",
1194 sizeof(mock_ei_ipv4.identity_digest));
1195 strlcpy(mock_ei_ipv4.nickname, "TestOR7890123456789",
1196 sizeof(mock_ei_ipv4.nickname));
1197 tor_addr_parse(&mock_ei_ipv4.orports[0].addr, "111.222.233.244");
1198
1199 /* Create and modify the other extend info. */
1200 memcpy(&mock_ei_ipv6, &mock_ei_ipv4, sizeof(mock_ei_ipv6));
1201 tor_addr_parse(&mock_ei_ipv6.orports[0].addr,
1202 "[1111:2222:3333:4444:5555:6666:7777:8888]");
1203
1204 /* We don't test the no-nickname and no-IP cases, because they're covered by
1205 * format_node_description(), and we don't expect to see them in Tor code. */
1206
1207 /* Try some real IP addresses */
1208 rv = extend_info_describe(&mock_ei_ipv4);
1209 tt_str_op(rv, OP_EQ,
1210 "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~TestOR7890123456789 at "
1211 "111.222.233.244");
1212
1213 rv = extend_info_describe(&mock_ei_ipv6);
1214 tt_str_op(rv, OP_EQ,
1215 "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~TestOR7890123456789 at "
1216 "[1111:2222:3333:4444:5555:6666:7777:8888]");
1217
1218 /* Extend infos only have one IP address, so there is no dual case */
1219
1220 /* test NULL handling */
1221 rv = extend_info_describe(NULL);
1222 tt_str_op(rv, OP_EQ, "<null>");
1223
1224 done:
1225 return;
1226 }
1227
1228 /** router_get_verbose_nickname() should return "Fingerprint~Nickname"
1229 */
1230 static void
1231 test_nodelist_router_get_verbose_nickname(void *arg)
1232 {
1233 routerinfo_t mock_ri;
1234 char mock_nickname[MAX_NICKNAME_LEN+1];
1235
1236 char vname[MAX_VERBOSE_NICKNAME_LEN+1];
1237
1238 (void) arg;
1239
1240 memset(&mock_ri, 0, sizeof(routerinfo_t));
1241 memset(mock_nickname, 0, sizeof(mock_nickname));
1242 mock_ri.nickname = mock_nickname;
1243
1244 /* verbose nickname should use ~ because named is deprecated */
1245 strlcpy(mock_nickname, "TestOR", sizeof(mock_nickname));
1246 memcpy(mock_ri.cache_info.identity_digest,
1247 "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
1248 "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA",
1249 DIGEST_LEN);
1250 router_get_verbose_nickname(vname, &mock_ri);
1251 tt_str_op(vname, OP_EQ, "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~TestOR");
1252
1253 /* test NULL router handling */
1254 router_get_verbose_nickname(vname, NULL);
1255 tt_str_op(vname, OP_EQ, "<null>");
1256
1257 router_get_verbose_nickname(NULL, &mock_ri);
1258 router_get_verbose_nickname(NULL, NULL);
1259
1260 done:
1261 return;
1262 }
1263
1264 static void
1265 test_nodelist_routerstatus_has_visibly_changed(void *arg)
1266 {
1267 (void)arg;
1268 routerstatus_t rs_orig, rs;
1269 char *fmt_orig = NULL, *fmt = NULL;
1270 memset(&rs_orig, 0, sizeof(rs_orig));
1271 strlcpy(rs_orig.nickname, "friendly", sizeof(rs_orig.nickname));
1272 memcpy(rs_orig.identity_digest, "abcdefghijklmnopqrst", 20);
1273 memcpy(rs_orig.descriptor_digest, "abcdefghijklmnopqrst", 20);
1274 tor_addr_from_ipv4h(&rs_orig.ipv4_addr, 0x7f000001);
1275 rs_orig.ipv4_orport = 3;
1276 rs_orig.published_on = time(NULL);
1277 rs_orig.has_bandwidth = 1;
1278 rs_orig.bandwidth_kb = 20;
1279
1280 #define COPY() memcpy(&rs, &rs_orig, sizeof(rs))
1281 #define FORMAT() \
1282 STMT_BEGIN \
1283 tor_free(fmt_orig); \
1284 tor_free(fmt); \
1285 fmt_orig = routerstatus_format_entry(&rs_orig, NULL, NULL, \
1286 NS_CONTROL_PORT, \
1287 NULL); \
1288 fmt = routerstatus_format_entry(&rs, NULL, NULL, NS_CONTROL_PORT, \
1289 NULL); \
1290 tt_assert(fmt_orig); \
1291 tt_assert(fmt); \
1292 STMT_END
1293 #define ASSERT_SAME() \
1294 STMT_BEGIN \
1295 tt_assert(! routerstatus_has_visibly_changed(&rs_orig, &rs)); \
1296 FORMAT(); \
1297 tt_str_op(fmt_orig, OP_EQ, fmt); \
1298 COPY(); \
1299 STMT_END
1300 #define ASSERT_CHANGED() \
1301 STMT_BEGIN \
1302 tt_assert(routerstatus_has_visibly_changed(&rs_orig, &rs)); \
1303 FORMAT(); \
1304 tt_str_op(fmt_orig, OP_NE, fmt); \
1305 COPY(); \
1306 STMT_END
1307 #define ASSERT_CHANGED_NO_FORMAT() \
1308 STMT_BEGIN \
1309 tt_assert(routerstatus_has_visibly_changed(&rs_orig, &rs)); \
1310 COPY(); \
1311 STMT_END
1312
1313 COPY();
1314 ASSERT_SAME();
1315
1316 tor_addr_from_ipv4h(&rs.ipv4_addr, 0x7f000002);
1317 ASSERT_CHANGED();
1318
1319 strlcpy(rs.descriptor_digest, "hello world", sizeof(rs.descriptor_digest));
1320 ASSERT_CHANGED();
1321
1322 strlcpy(rs.nickname, "fr1end1y", sizeof(rs.nickname));
1323 ASSERT_CHANGED();
1324
1325 rs.published_on += 3600;
1326 ASSERT_CHANGED();
1327
1328 rs.ipv4_orport = 55;
1329 ASSERT_CHANGED();
1330
1331 rs.ipv4_dirport = 9999;
1332 ASSERT_CHANGED();
1333
1334 tor_addr_parse(&rs.ipv6_addr, "1234::56");
1335 ASSERT_CHANGED();
1336
1337 tor_addr_parse(&rs_orig.ipv6_addr, "1234::56");
1338 rs_orig.ipv6_orport = 99;
1339 COPY();
1340 rs.ipv6_orport = 22;
1341 ASSERT_CHANGED();
1342
1343 rs.is_authority = 1;
1344 ASSERT_CHANGED();
1345
1346 rs.is_exit = 1;
1347 ASSERT_CHANGED();
1348
1349 rs.is_stable = 1;
1350 ASSERT_CHANGED();
1351
1352 rs.is_fast = 1;
1353 ASSERT_CHANGED();
1354
1355 rs.is_flagged_running = 1;
1356 ASSERT_CHANGED();
1357
1358 // This option is obsolete and not actually formatted.
1359 rs.is_named = 1;
1360 ASSERT_CHANGED_NO_FORMAT();
1361
1362 // This option is obsolete and not actually formatted.
1363 rs.is_unnamed = 1;
1364 ASSERT_CHANGED_NO_FORMAT();
1365
1366 rs.is_valid = 1;
1367 ASSERT_CHANGED();
1368
1369 rs.is_possible_guard = 1;
1370 ASSERT_CHANGED();
1371
1372 rs.is_bad_exit = 1;
1373 ASSERT_CHANGED();
1374
1375 rs.is_hs_dir = 1;
1376 ASSERT_CHANGED();
1377
1378 rs.is_v2_dir = 1;
1379 ASSERT_CHANGED();
1380
1381 rs.is_staledesc = 1;
1382 ASSERT_CHANGED();
1383
1384 // Setting this to zero crashes us with an assertion failure in
1385 // routerstatus_format_entry() if we don't have a descriptor.
1386 rs.has_bandwidth = 0;
1387 ASSERT_CHANGED_NO_FORMAT();
1388
1389 // Does not actually matter; not visible to controller.
1390 rs.has_exitsummary = 1;
1391 ASSERT_SAME();
1392
1393 // Does not actually matter; not visible to the controller.
1394 rs.bw_is_unmeasured = 1;
1395 ASSERT_SAME();
1396
1397 rs.bandwidth_kb = 2000;
1398 ASSERT_CHANGED();
1399
1400 // not visible to the controller.
1401 rs.has_guardfraction = 1;
1402 rs.guardfraction_percentage = 22;
1403 ASSERT_SAME();
1404
1405 // not visible to the controller.
1406 rs_orig.has_guardfraction = 1;
1407 rs_orig.guardfraction_percentage = 20;
1408 COPY();
1409 rs.guardfraction_percentage = 25;
1410 ASSERT_SAME();
1411
1412 // not visible to the controller.
1413 rs.exitsummary = (char*)"accept 1-2";
1414 ASSERT_SAME();
1415
1416 done:
1417 #undef COPY
1418 #undef ASSERT_SAME
1419 #undef ASSERT_CHANGED
1420 tor_free(fmt_orig);
1421 tor_free(fmt);
1422 return;
1423 }
1424
1425 #define NODE(name, flags) \
1426 { #name, test_nodelist_##name, (flags), NULL, NULL }
1427
1428 struct testcase_t nodelist_tests[] = {
1429 NODE(node_get_verbose_nickname_by_id_null_node, TT_FORK),
1430 NODE(node_get_verbose_nickname_not_named, TT_FORK),
1431 NODE(node_is_dir, TT_FORK),
1432 NODE(ed_id, TT_FORK),
1433 NODE(nodefamily, TT_FORK),
1434 NODE(nodefamily_parse_err, TT_FORK),
1435 NODE(nodefamily_lookup, TT_FORK),
1436 NODE(nickname_matches, 0),
1437 NODE(node_nodefamily, TT_FORK),
1438 NODE(nodefamily_canonicalize, 0),
1439 NODE(format_node_description, 0),
1440 NODE(router_describe, 0),
1441 NODE(node_describe, 0),
1442 NODE(routerstatus_describe, 0),
1443 NODE(extend_info_describe, 0),
1444 NODE(router_get_verbose_nickname, 0),
1445 NODE(routerstatus_has_visibly_changed, 0),
1446 END_OF_TESTCASES
1447 };
The Onion Router