1 /* Copyright (c) 2010-2021, The Tor Project, Inc. */
2 /* See LICENSE for licensing information */
3
4 #include "orconfig.h"
5 #include "core/or/or.h"
6
7 #define DIRVOTE_PRIVATE
8 #include "app/config/config.h"
9 #include "feature/dirauth/dirvote.h"
10 #include "feature/dirparse/microdesc_parse.h"
11 #include "feature/dirparse/routerparse.h"
12 #include "feature/nodelist/microdesc.h"
13 #include "feature/nodelist/networkstatus.h"
14 #include "feature/nodelist/nodefamily.h"
15 #include "feature/nodelist/routerlist.h"
16 #include "feature/nodelist/torcert.h"
17
18 #include "feature/nodelist/microdesc_st.h"
19 #include "feature/nodelist/networkstatus_st.h"
20 #include "feature/nodelist/routerinfo_st.h"
21 #include "feature/nodelist/routerstatus_st.h"
22
23 #include "test/test.h"
24 #include "test/log_test_helpers.h"
25
26 #ifdef HAVE_SYS_STAT_H
27 #include <sys/stat.h>
28 #endif
29
30 #ifdef _WIN32
31 /* For mkdir() */
32 #include <direct.h>
33 #else
34 #include <dirent.h>
35 #endif /* defined(_WIN32) */
36
37 static const char test_md1[] =
38 "onion-key\n"
39 "-----BEGIN RSA PUBLIC KEY-----\n"
40 "MIGJAoGBAMjlHH/daN43cSVRaHBwgUfnszzAhg98EvivJ9Qxfv51mvQUxPjQ07es\n"
41 "gV/3n8fyh3Kqr/ehi9jxkdgSRfSnmF7giaHL1SLZ29kA7KtST+pBvmTpDtHa3ykX\n"
42 "Xorc7hJvIyTZoc1HU+5XSynj3gsBE5IGK1ZRzrNS688LnuZMVp1tAgMBAAE=\n"
43 "-----END RSA PUBLIC KEY-----\n"
44 "ntor-onion-key AppBt6CSeb1kKid/36ototmFA24ddfW5JpjWPLuoJgs=\n";
45
46 static const char test_md2[] =
47 "onion-key\n"
48 "-----BEGIN RSA PUBLIC KEY-----\n"
49 "MIGJAoGBAMIixIowh2DyPmDNMDwBX2DHcYcqdcH1zdIQJZkyV6c6rQHnvbcaDoSg\n"
50 "jgFSLJKpnGmh71FVRqep+yVB0zI1JY43kuEnXry2HbZCD9UDo3d3n7t015X5S7ON\n"
51 "bSSYtQGPwOr6Epf96IF6DoQxy4iDnPUAlejuhAG51s1y6/rZQ3zxAgMBAAE=\n"
52 "-----END RSA PUBLIC KEY-----\n"
53 "ntor-onion-key AppBt6CSeb1kKid/36ototmFA24ddfW5JpjWPLuoJgs=\n";
54
55 static const char test_md3[] =
56 "@last-listed 2009-06-22\n"
57 "onion-key\n"
58 "-----BEGIN RSA PUBLIC KEY-----\n"
59 "MIGJAoGBAMH3340d4ENNGrqx7UxT+lB7x6DNUKOdPEOn4teceE11xlMyZ9TPv41c\n"
60 "qj2fRZzfxlc88G/tmiaHshmdtEpklZ740OFqaaJVj4LjPMKFNE+J7Xc1142BE9Ci\n"
61 "KgsbjGYe2RY261aADRWLetJ8T9QDMm+JngL4288hc8pq1uB/3TAbAgMBAAE=\n"
62 "-----END RSA PUBLIC KEY-----\n"
63 "ntor-onion-key AppBt6CSeb1kKid/36ototmFA24ddfW5JpjWPLuoJgs=\n"
64 "p accept 1-700,800-1000\n"
65 "family nodeX nodeY nodeZ\n";
66
67 static void
test_md_cache(void * data)68 test_md_cache(void *data)
69 {
70 or_options_t *options = NULL;
71 microdesc_cache_t *mc = NULL ;
72 smartlist_t *added = NULL, *wanted = NULL;
73 microdesc_t *md1, *md2, *md3;
74 char d1[DIGEST256_LEN], d2[DIGEST256_LEN], d3[DIGEST256_LEN];
75 const char *test_md3_noannotation = strchr(test_md3, '\n')+1;
76 time_t time1, time2, time3;
77 char *fn = NULL, *s = NULL;
78 char *encoded_family = NULL;
79 (void)data;
80
81 options = get_options_mutable();
82 tt_assert(options);
83
84 time1 = time(NULL);
85 time2 = time(NULL) - 2*24*60*60;
86 time3 = time(NULL) - 15*24*60*60;
87
88 /* Possibly, turn this into a test setup/cleanup pair */
89 tor_free(options->CacheDirectory);
90 options->CacheDirectory = tor_strdup(get_fname("md_datadir_test"));
91 #ifdef _WIN32
92 tt_int_op(0, OP_EQ, mkdir(options->CacheDirectory));
93 #else
94 tt_int_op(0, OP_EQ, mkdir(options->CacheDirectory, 0700));
95 #endif
96
97 tt_assert(!strcmpstart(test_md3_noannotation, "onion-key"));
98
99 crypto_digest256(d1, test_md1, strlen(test_md1), DIGEST_SHA256);
100 crypto_digest256(d2, test_md2, strlen(test_md1), DIGEST_SHA256);
101 crypto_digest256(d3, test_md3_noannotation, strlen(test_md3_noannotation),
102 DIGEST_SHA256);
103
104 mc = get_microdesc_cache();
105
106 added = microdescs_add_to_cache(mc, test_md1, NULL, SAVED_NOWHERE, 0,
107 time1, NULL);
108 tt_int_op(1, OP_EQ, smartlist_len(added));
109 md1 = smartlist_get(added, 0);
110 smartlist_free(added);
111 added = NULL;
112
113 wanted = smartlist_new();
114 added = microdescs_add_to_cache(mc, test_md2, NULL, SAVED_NOWHERE, 0,
115 time2, wanted);
116 /* Should fail, since we didn't list test_md2's digest in wanted */
117 tt_int_op(0, OP_EQ, smartlist_len(added));
118 smartlist_free(added);
119 added = NULL;
120
121 smartlist_add(wanted, tor_memdup(d2, DIGEST256_LEN));
122 smartlist_add(wanted, tor_memdup(d3, DIGEST256_LEN));
123 added = microdescs_add_to_cache(mc, test_md2, NULL, SAVED_NOWHERE, 0,
124 time2, wanted);
125 /* Now it can work. md2 should have been added */
126 tt_int_op(1, OP_EQ, smartlist_len(added));
127 md2 = smartlist_get(added, 0);
128 /* And it should have gotten removed from 'wanted' */
129 tt_int_op(smartlist_len(wanted), OP_EQ, 1);
130 tt_mem_op(smartlist_get(wanted, 0), OP_EQ, d3, DIGEST256_LEN);
131 smartlist_free(added);
132 added = NULL;
133
134 added = microdescs_add_to_cache(mc, test_md3, NULL,
135 SAVED_NOWHERE, 0, -1, NULL);
136 /* Must fail, since SAVED_NOWHERE precludes annotations */
137 tt_int_op(0, OP_EQ, smartlist_len(added));
138 smartlist_free(added);
139 added = NULL;
140
141 added = microdescs_add_to_cache(mc, test_md3_noannotation, NULL,
142 SAVED_NOWHERE, 0, time3, NULL);
143 /* Now it can work */
144 tt_int_op(1, OP_EQ, smartlist_len(added));
145 md3 = smartlist_get(added, 0);
146 smartlist_free(added);
147 added = NULL;
148
149 /* Okay. We added 1...3. Let's poke them to see how they look, and make
150 * sure they're really in the journal. */
151 tt_ptr_op(md1, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d1));
152 tt_ptr_op(md2, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d2));
153 tt_ptr_op(md3, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d3));
154
155 tt_int_op(md1->last_listed, OP_EQ, time1);
156 tt_int_op(md2->last_listed, OP_EQ, time2);
157 tt_int_op(md3->last_listed, OP_EQ, time3);
158
159 tt_int_op(md1->saved_location, OP_EQ, SAVED_IN_JOURNAL);
160 tt_int_op(md2->saved_location, OP_EQ, SAVED_IN_JOURNAL);
161 tt_int_op(md3->saved_location, OP_EQ, SAVED_IN_JOURNAL);
162
163 tt_int_op(md1->bodylen, OP_EQ, strlen(test_md1));
164 tt_int_op(md2->bodylen, OP_EQ, strlen(test_md2));
165 tt_int_op(md3->bodylen, OP_EQ, strlen(test_md3_noannotation));
166 tt_mem_op(md1->body, OP_EQ, test_md1, strlen(test_md1));
167 tt_mem_op(md2->body, OP_EQ, test_md2, strlen(test_md2));
168 tt_mem_op(md3->body, OP_EQ, test_md3_noannotation,
169 strlen(test_md3_noannotation));
170
171 tor_asprintf(&fn, "%s"PATH_SEPARATOR"cached-microdescs.new",
172 options->CacheDirectory);
173 s = read_file_to_str(fn, RFTS_BIN, NULL);
174 tt_assert(s);
175 tt_mem_op(md1->body, OP_EQ, s + md1->off, md1->bodylen);
176 tt_mem_op(md2->body, OP_EQ, s + md2->off, md2->bodylen);
177 tt_mem_op(md3->body, OP_EQ, s + md3->off, md3->bodylen);
178
179 tt_ptr_op(md1->family, OP_EQ, NULL);
180 tt_ptr_op(md3->family, OP_NE, NULL);
181
182 encoded_family = nodefamily_format(md3->family);
183 tt_str_op(encoded_family, OP_EQ, "nodex nodey nodez");
184
185 /* Now rebuild the cache! */
186 tt_int_op(microdesc_cache_rebuild(mc, 1), OP_EQ, 0);
187
188 tt_int_op(md1->saved_location, OP_EQ, SAVED_IN_CACHE);
189 tt_int_op(md2->saved_location, OP_EQ, SAVED_IN_CACHE);
190 tt_int_op(md3->saved_location, OP_EQ, SAVED_IN_CACHE);
191
192 /* The journal should be empty now */
193 tor_free(s);
194 s = read_file_to_str(fn, RFTS_BIN, NULL);
195 tt_str_op(s, OP_EQ, "");
196 tor_free(s);
197 tor_free(fn);
198
199 /* read the cache. */
200 tor_asprintf(&fn, "%s"PATH_SEPARATOR"cached-microdescs",
201 options->CacheDirectory);
202 s = read_file_to_str(fn, RFTS_BIN, NULL);
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 /* Okay, now we are going to forget about the cache entirely, and reload it
208 * from the disk. */
209 microdesc_free_all();
210 mc = get_microdesc_cache();
211 md1 = microdesc_cache_lookup_by_digest256(mc, d1);
212 md2 = microdesc_cache_lookup_by_digest256(mc, d2);
213 md3 = microdesc_cache_lookup_by_digest256(mc, d3);
214 tt_assert(md1);
215 tt_assert(md2);
216 tt_assert(md3);
217 tt_mem_op(md1->body, OP_EQ, s + md1->off, strlen(test_md1));
218 tt_mem_op(md2->body, OP_EQ, s + md2->off, strlen(test_md2));
219 tt_mem_op(md3->body, OP_EQ, s + md3->off, strlen(test_md3_noannotation));
220
221 tt_int_op(md1->last_listed, OP_EQ, time1);
222 tt_int_op(md2->last_listed, OP_EQ, time2);
223 tt_int_op(md3->last_listed, OP_EQ, time3);
224
225 /* Okay, now we are going to clear out everything older than a week old.
226 * In practice, that means md3 */
227 microdesc_cache_clean(mc, time(NULL)-7*24*60*60, 1/*force*/);
228 tt_ptr_op(md1, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d1));
229 tt_ptr_op(md2, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d2));
230 tt_ptr_op(NULL, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d3));
231 md3 = NULL; /* it's history now! */
232
233 /* rebuild again, make sure it stays gone. */
234 tt_int_op(microdesc_cache_rebuild(mc, 1), OP_EQ, 0);
235 tt_ptr_op(md1, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d1));
236 tt_ptr_op(md2, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d2));
237 tt_ptr_op(NULL, OP_EQ, microdesc_cache_lookup_by_digest256(mc, d3));
238
239 /* Re-add md3, and make sure we can rebuild the cache. */
240 added = microdescs_add_to_cache(mc, test_md3_noannotation, NULL,
241 SAVED_NOWHERE, 0, time3, NULL);
242 tt_int_op(1, OP_EQ, smartlist_len(added));
243 md3 = smartlist_get(added, 0);
244 smartlist_free(added);
245 added = NULL;
246 tt_int_op(md1->saved_location, OP_EQ, SAVED_IN_CACHE);
247 tt_int_op(md2->saved_location, OP_EQ, SAVED_IN_CACHE);
248 tt_int_op(md3->saved_location, OP_EQ, SAVED_IN_JOURNAL);
249
250 tt_int_op(microdesc_cache_rebuild(mc, 1), OP_EQ, 0);
251 tt_int_op(md3->saved_location, OP_EQ, SAVED_IN_CACHE);
252
253 done:
254 if (options)
255 tor_free(options->CacheDirectory);
256 microdesc_free_all();
257
258 smartlist_free(added);
259 if (wanted)
260 SMARTLIST_FOREACH(wanted, char *, cp, tor_free(cp));
261 smartlist_free(wanted);
262 tor_free(s);
263 tor_free(fn);
264 tor_free(encoded_family);
265 }
266
267 static const char truncated_md[] =
268 "@last-listed 2013-08-08 19:02:59\n"
269 "onion-key\n"
270 "-----BEGIN RSA PUBLIC KEY-----\n"
271 "MIGJAoGBAM91vLFNaM+gGhnRIdz2Cm/Kl7Xz0cOobIdVzhS3cKUJfk867hCuTipS\n"
272 "NveLBzNopvgXKruAAzEj3cACxk6Q8lv5UWOGCD1UolkgsWSE62RBjap44g+oc9J1\n"
273 "RI9968xOTZw0VaBQg9giEILNXl0djoikQ+5tQRUvLDDa67gpa5Q1AgMBAAE=\n"
274 "-----END RSA PUBLIC KEY-----\n"
275 "family @\n";
276
277 static void
test_md_cache_broken(void * data)278 test_md_cache_broken(void *data)
279 {
280 or_options_t *options;
281 char *fn=NULL;
282 microdesc_cache_t *mc = NULL;
283
284 (void)data;
285
286 options = get_options_mutable();
287 tt_assert(options);
288 tor_free(options->CacheDirectory);
289 options->CacheDirectory = tor_strdup(get_fname("md_datadir_test2"));
290
291 #ifdef _WIN32
292 tt_int_op(0, OP_EQ, mkdir(options->CacheDirectory));
293 #else
294 tt_int_op(0, OP_EQ, mkdir(options->CacheDirectory, 0700));
295 #endif
296
297 tor_asprintf(&fn, "%s"PATH_SEPARATOR"cached-microdescs",
298 options->CacheDirectory);
299
300 write_str_to_file(fn, truncated_md, 1);
301
302 mc = get_microdesc_cache();
303 tt_assert(mc);
304
305 done:
306 if (options)
307 tor_free(options->CacheDirectory);
308 tor_free(fn);
309 microdesc_free_all();
310 }
311
312 /* Generated by chutney. */
313 static const char test_ri[] =
314 "router test005r 127.0.0.1 5005 0 7005\n"
315 "identity-ed25519\n"
316 "-----BEGIN ED25519 CERT-----\n"
317 "AQQABs1eAfTuBhu6ypB5/9avDiY3qBzulkCvfYqbFN/ABk/o4xFcAQAgBAAnmWRG\n"
318 "rIvqpb4Kk3cThEiWAll4uDCO2Y46uNm9WG7AtPt4LG+XfktG3GAxv6aVQimwlyHc\n"
319 "1x2Lfm9KG3mWWj+hxnum4Z7873OE0B9l2Hg0YQZCW/PuHSWN0rspTvY5SgA=\n"
320 "-----END ED25519 CERT-----\n"
321 "master-key-ed25519 J5lkRqyL6qW+CpN3E4RIlgJZeLgwjtmOOrjZvVhuwLQ\n"
322 "or-address [::]:5005\n"
323 "platform Tor 0.4.5.0-alpha-dev on Linux\n"
324 "proto Cons=1-2 Desc=1-2 DirCache=1-2 FlowCtrl=1 HSDir=1-2 HSIntro=3-5 "
325 "HSRend=1-2 Link=1-5 LinkAuth=1,3 Microdesc=1-2 Padding=2 Relay=1-3\n"
326 "published 2020-10-13 13:27:34\n"
327 "fingerprint D219 590A C951 3BCD EBBA 9AB7 2100 7A4C C01B BAE3\n"
328 "uptime 324451\n"
329 "bandwidth 1073741824 1073741824 637796\n"
330 "extra-info-digest 78E6D382BC826B95B4111554EEE7D541A32AAAA3 "
331 "c61Onjpq+1S0TrdvoaOvGAxew6yfO+uHNhipbemQmgA\n"
332 "onion-key\n"
333 "-----BEGIN RSA PUBLIC KEY-----\n"
334 "MIGJAoGBAMvEJ/JVNK7I38PPWhQMuCgkET/ki4WIas4tj5Kmqfb9kHqxMR+EunRD\n"
335 "83k4pel1yB7QdV+iTd/4SZOI8RpZP+BO1KnOTWfpztAU1lDGr19/PwdwcHaILpBD\n"
336 "nNzm6otk4/bKUQ0vqpOfJljtg0DfAm4uMAQ6BMFy6uEAF7+JupuPAgMBAAE=\n"
337 "-----END RSA PUBLIC KEY-----\n"
338 "signing-key\n"
339 "-----BEGIN RSA PUBLIC KEY-----\n"
340 "MIGJAoGBANBzejGAwyPTPq2Gm03wpg3qICo0uDQau8opude2mW3eyxAqOqHzC8De\n"
341 "gRgbmn040vqe9gwvH4iaHpVeTxyDwQefbfULdq6bETmX3aSUj6LKBCqqcyuOJFQu\n"
342 "7M2QfNSfHtldUABpIaqFvEA3AV8qjOoUtauoFNJKMy7Wj2//S70VAgMBAAE=\n"
343 "-----END RSA PUBLIC KEY-----\n"
344 "onion-key-crosscert\n"
345 "-----BEGIN CROSSCERT-----\n"
346 "pD3Nkkunt8zP6PO6H3uHT0t7xnorC7cY/KfF75mFB+90pHCD9f0Xdu3Pjrur/q23\n"
347 "PIKV3hdtdsODoJuoh8LPGNAjS5rO6HMCtHNDNunNOs69bvfaO0jThnurXmOpY0sW\n"
348 "eRfBeYN2KNgrN0B1eDejfPSr03dkFY48yoUDROv9EJQ=\n"
349 "-----END CROSSCERT-----\n"
350 "ntor-onion-key-crosscert 0\n"
351 "-----BEGIN ED25519 CERT-----\n"
352 "AQoABs2OASeZZEasi+qlvgqTdxOESJYCWXi4MI7Zjjq42b1YbsC0AKc5y5qYUYvw\n"
353 "VATtWkV9DVIZbZSb9mQP5pmNaqmX+DbmINCYt8j7l+U7g3ftUyh0Wlrgevx0pFUI\n"
354 "RcIU0HKHZQA=\n"
355 "-----END ED25519 CERT-----\n"
356 "hidden-service-dir\n"
357 "ntor-onion-key FChIfm77vrWB7JsxQ+jMbN6VSSp1P0DYbw/2aqey4iA\n"
358 "accept *:*\n"
359 "tunnelled-dir-server\n"
360 "router-sig-ed25519 Xm56dYbo/hCHWyzcdUPmfTeZ4qly2TYf1/2Q1lXKQDMJyBti"
361 "8ZE8R2TTYsYimr+UtAapbzBItccZLze505nhBw\n"
362 "router-signature\n"
363 "-----BEGIN SIGNATURE-----\n"
364 "bbeN0lq6nCfJQXGcKa1M9TQ6b2upig7clrlVXuzKeR0JhGwnDCXUAFxDtrw3vkVo\n"
365 "ExBXXvJeBPyustFOQkdiAEWHHSW5CwEgeVCBYZeEnaiySIgDVKuu+9B53ezFdC0Y\n"
366 "iFJkKxxDx7ksxX0zdl7aPT4ORFEuRhCYS6el7YJmoyg=\n"
367 "-----END SIGNATURE-----\n";
368
369 static const char test_md2_25[] =
370 "onion-key\n"
371 "-----BEGIN RSA PUBLIC KEY-----\n"
372 "MIGJAoGBAMvEJ/JVNK7I38PPWhQMuCgkET/ki4WIas4tj5Kmqfb9kHqxMR+EunRD\n"
373 "83k4pel1yB7QdV+iTd/4SZOI8RpZP+BO1KnOTWfpztAU1lDGr19/PwdwcHaILpBD\n"
374 "nNzm6otk4/bKUQ0vqpOfJljtg0DfAm4uMAQ6BMFy6uEAF7+JupuPAgMBAAE=\n"
375 "-----END RSA PUBLIC KEY-----\n"
376 "ntor-onion-key FChIfm77vrWB7JsxQ+jMbN6VSSp1P0DYbw/2aqey4iA=\n"
377 "p accept 1-65535\n"
378 "id ed25519 J5lkRqyL6qW+CpN3E4RIlgJZeLgwjtmOOrjZvVhuwLQ\n";
379
380 static const char test_md2_withfamily_28[] =
381 "onion-key\n"
382 "-----BEGIN RSA PUBLIC KEY-----\n"
383 "MIGJAoGBAMvEJ/JVNK7I38PPWhQMuCgkET/ki4WIas4tj5Kmqfb9kHqxMR+EunRD\n"
384 "83k4pel1yB7QdV+iTd/4SZOI8RpZP+BO1KnOTWfpztAU1lDGr19/PwdwcHaILpBD\n"
385 "nNzm6otk4/bKUQ0vqpOfJljtg0DfAm4uMAQ6BMFy6uEAF7+JupuPAgMBAAE=\n"
386 "-----END RSA PUBLIC KEY-----\n"
387 "ntor-onion-key FChIfm77vrWB7JsxQ+jMbN6VSSp1P0DYbw/2aqey4iA=\n"
388 "family OtherNode !Strange\n"
389 "p accept 1-65535\n"
390 "id ed25519 J5lkRqyL6qW+CpN3E4RIlgJZeLgwjtmOOrjZvVhuwLQ\n";
391
392 static const char test_md2_withfamily_29[] =
393 "onion-key\n"
394 "-----BEGIN RSA PUBLIC KEY-----\n"
395 "MIGJAoGBAMvEJ/JVNK7I38PPWhQMuCgkET/ki4WIas4tj5Kmqfb9kHqxMR+EunRD\n"
396 "83k4pel1yB7QdV+iTd/4SZOI8RpZP+BO1KnOTWfpztAU1lDGr19/PwdwcHaILpBD\n"
397 "nNzm6otk4/bKUQ0vqpOfJljtg0DfAm4uMAQ6BMFy6uEAF7+JupuPAgMBAAE=\n"
398 "-----END RSA PUBLIC KEY-----\n"
399 "ntor-onion-key FChIfm77vrWB7JsxQ+jMbN6VSSp1P0DYbw/2aqey4iA=\n"
400 "family !Strange $D219590AC9513BCDEBBA9AB721007A4CC01BBAE3 othernode\n"
401 "p accept 1-65535\n"
402 "id ed25519 J5lkRqyL6qW+CpN3E4RIlgJZeLgwjtmOOrjZvVhuwLQ\n";
403
404 static void
test_md_generate(void * arg)405 test_md_generate(void *arg)
406 {
407 routerinfo_t *ri;
408 microdesc_t *md = NULL;
409 (void)arg;
410
411 ri = router_parse_entry_from_string(test_ri, NULL, 0, 0, NULL, NULL);
412 tt_assert(ri);
413
414 md = dirvote_create_microdescriptor(ri, 25);
415 tt_str_op(md->body, OP_EQ, test_md2_25);
416 tt_assert(ed25519_pubkey_eq(md->ed25519_identity_pkey,
417 &ri->cache_info.signing_key_cert->signing_key));
418
419 // Try family encoding.
420 microdesc_free(md);
421 ri->declared_family = smartlist_new();
422 smartlist_add_strdup(ri->declared_family, "OtherNode !Strange");
423 md = dirvote_create_microdescriptor(ri, 28);
424 tt_str_op(md->body, OP_EQ, test_md2_withfamily_28);
425
426 microdesc_free(md);
427 md = dirvote_create_microdescriptor(ri, 29);
428 tt_str_op(md->body, OP_EQ, test_md2_withfamily_29);
429
430 done:
431 microdesc_free(md);
432 routerinfo_free(ri);
433 }
434
435 #ifdef HAVE_CFLAG_WOVERLENGTH_STRINGS
436 DISABLE_GCC_WARNING("-Woverlength-strings")
437 /* We allow huge string constants in the unit tests, but not in the code
438 * at large. */
439 #endif
440 /* Taken at random from my ~/.tor/cached-microdescs file and then
441 * hand-munged */
442 static const char MD_PARSE_TEST_DATA[] =
443 /* Good 0 */
444 "onion-key\n"
445 "-----BEGIN RSA PUBLIC KEY-----\n"
446 "MIGJAoGBANsKd1GRfOuSR1MkcwKqs6SVy4Gi/JXplt/bHDkIGm6Q96TeJ5uyVgUL\n"
447 "DBr/ij6+JqgVFeriuiMzHKREytzjdaTuKsKBFFpLwb+Ppcjr5nMIH/AR6/aHO8hW\n"
448 "T3B9lx5T6Kl7CqZ4yqXxYRHzn50EPTIZuz0y9se4J4gi9mLmL+pHAgMBAAE=\n"
449 "-----END RSA PUBLIC KEY-----\n"
450 "ntor-onion-key AppBt6CSeb1kKid/36ototmFA24ddfW5JpjWPLuoJgs=\n"
451 "p accept 20-23,43,53,79-81,88,110,143,194,220,443,464,531,543-544\n"
452 "id rsa1024 GEo59/iR1GWSIWZDzXTd5QxtqnU\n"
453 /* Bad 0: I've messed with the onion-key in the second one. */
454 "onion-key\n"
455 "-----BEGIN RSA PUBLIC KEY-----\n"
456 "MIGJAoGBAMr4o/pflVwscx11vC1AKEADlKEqnhpvCIjAEzNEenMhvGQHRlA0EXLC\n"
457 "7G7O5bhnCwEHqK8Pvg8cuX/fD8v08TF1EVPhwPa0UI6ab8KnPP2F!!!!!!b92DG7EQIk3q\n"
458 "d68Uxp7E9/t3v1WWZjzDqvEe0par6ul+DKW6HMlTGebFo5Q4e8R1AgMBAAE=\n"
459 "-----END RSA PUBLIC KEY-----\n"
460 "ntor-onion-key 761Dmm27via7lXygNHM3l+oJLrYU2Nye0Uz4pkpipyY=\n"
461 "p accept 53\n"
462 "id rsa1024 3Y4fwXhtgkdGDZ5ef5mtb6TJRQQ\n"
463 /* Good 1 */
464 "onion-key\n"
465 "-----BEGIN RSA PUBLIC KEY-----\n"
466 "MIGJAoGBANsMSjVi3EX8ZHfm/dvPF6KdVR66k1tVul7Jp+dDbDajBYNhgKRzVCxy\n"
467 "Yac1CBuQjOqK89tKap9PQBnhF087eDrfaZDqYTLwB2W2sBJncVej15WEPXPRBifo\n"
468 "iFZ8337kgczkaY+IOfSuhtbOUyDOoDpRJheIKBNq0ZiTqtLbbadVAgMBAAE=\n"
469 "-----END RSA PUBLIC KEY-----\n"
470 "ntor-onion-key ncfiHJjSgdDEW/gc6q6/7idac7j+x7ejQrRm6i75pGA=\n"
471 "p accept 443,6660-6669,6697,7000-7001\n"
472 "id rsa1024 XXuLzw3mfBELEq3veXoNhdehwD4\n"
473 /* Good 2 */
474 "onion-key\n"
475 "-----BEGIN RSA PUBLIC KEY-----\n"
476 "MIGJAoGBANQfBlrHrh9F/CAOytrNFgi0ikWMW/HZxuoszF9X+AQ+MudR8bcxxOGl\n"
477 "1RFwb74s8E3uuzrCkNFvSw9Ar1L02F2DOX0gLsxEGuYC4Ave9NUteGqSqDyEJQUJ\n"
478 "KlfxCPn2qC9nvNT7wR/Dg2WRvAEKnJmkpb57N3+WSAOPLjKOFEz3AgMBAAE=\n"
479 "-----END RSA PUBLIC KEY-----\n"
480 "ntor-onion-key AppBt6CSeb1kKid/36ototmFA24ddfW5JpjWPLuoJgs=\n"
481 "id rsa1024 6y60AEI9a1PUUlRPO0YQT9WzrjI\n"
482 /* Bad 1: Here I've messed with the ntor key */
483 "onion-key\n"
484 "-----BEGIN RSA PUBLIC KEY-----\n"
485 "MIGJAoGBAPjy2HacU3jDNO5nTOFGSwNa0qKCNn4yhtrDVcAJ5alIQeBWZZGJLZ0q\n"
486 "Cqylw1vYqxu8E09g+QXXFbAgBv1U9TICaATxrIJhIJzc8TJPhqJemp1kq0DvHLDx\n"
487 "mxwlkNnCD/P5NS+JYB3EjOlU9EnSKUWNU61+Co344m2JqhEau40vAgMBAAE=\n"
488 "-----END RSA PUBLIC KEY-----\n"
489 "ntor-onion-key 4i2Fp9JHTUr1uQs0pxD5j5spl4/RG56S2P0gQxU=\n"
490 "id rsa1024 nMRmNEGysA0NmlALVaUmI7D5jLU\n"
491 /* Good 3: I've added a weird token in this one. This shouldn't prevent
492 * it parsing */
493 "onion-key\n"
494 "-----BEGIN RSA PUBLIC KEY-----\n"
495 "MIGJAoGBAKmosxudyNA/yJNz3S890VqV/ebylzoD11Sc0b/d5tyNNaNZjcYy5vRD\n"
496 "kwyxFRMbP2TLZQ1zRfNwY7IDnYjU2SbW0pxuM6M8WRtsmx/YOE3kHMVAFJNrTUqU\n"
497 "6D1zB3IiRDS5q5+NoRxwqo+hYUck60O3WTwEoqb+l3lvXeu7z9rFAgMBAAE=\n"
498 "-----END RSA PUBLIC KEY-----\n"
499 "flux-capacitor 1.21 GW\n"
500 "ntor-onion-key MWBoEkl+RlBiGX44XKIvTSqbznTNZStOmUYtcYRQQyY=\n"
501 "id rsa1024 R+A5O9qRvRac4FT3C4L2QnFyxsc\n"
502 /* Good 4: Here I've made the 'id rsa' token odd. It should still parse
503 * just fine. */
504 "onion-key\n"
505 "-----BEGIN RSA PUBLIC KEY-----\n"
506 "MIGJAoGBAOh+WMkdNe/Pkjb8UjQyfLOlFgpuVFrxAIGnJsmWWx0yBE97DQxGyh2n\n"
507 "h8G5OJZHRarJQyCIf7vpZQAi0oP0OkGGaCaDQsM+D8TnqhnU++RWGnMqY/cXxPrL\n"
508 "MEq+n6aGiLmzkO7ah8yorZpoREk4GqLUIN89/tHHGOhJL3c4CPGjAgMBAAE=\n"
509 "-----END RSA PUBLIC KEY-----\n"
510 "ntor-onion-key AppBt6CSeb1kKid/36ototmFA24ddfW5JpjWPLuoJgs=\n"
511 "p reject 25,119,135-139,445,563,1214,4661-4666,6346-6429,6699,6881-6999\n"
512 "id rsa1234 jlqAKFD2E7uMKv+8TmKSeo7NBho\n"
513 /* Good 5: Extra id type. */
514 "onion-key\n"
515 "-----BEGIN RSA PUBLIC KEY-----\n"
516 "MIGJAoGBAMdgPPc5uaw4y/q+SUTN/I8Y+Gvdx9kKgWV4dmDGJ0mxsVZmo1v6+v3F\n"
517 "12M2f9m99G3WB8F8now29C+9XyEv8MBHj1lHRdUFHSQes3YTFvDNlgj+FjLqO5TJ\n"
518 "adOOmfu4DCUUtUEDyQKbNVL4EkMTXY73omTVsjcH3xxFjTx5wixhAgMBAAE=\n"
519 "-----END RSA PUBLIC KEY-----\n"
520 "ntor-onion-key AAVnWZcnDbxasdZwKqb4fL6O9sZV+XsRNHTpNd1YMz8=\n"
521 "id rsa1024 72EfBL11QuwX2vU8y+p9ExGfGEg\n"
522 "id expolding hedgehog 0+A5O9qRvRac4FT3C4L2QnFyxsc\n"
523 /* Good 6: I've given this a bogus policy. It should parse. */
524 "onion-key\n"
525 "-----BEGIN RSA PUBLIC KEY-----\n"
526 "MIGJAoGBALNuufwhPMF8BooxYMNvhYJMPqUB8hQDt8wGmPKphJcD1sVD1i4gAZM2\n"
527 "HIo+zUBlljDrRWL5NzVzd1yxUJAiQxvXS5dRRFY3B70M7wTVpXw53xe0/BM5t1AX\n"
528 "n0MFk7Jl6XIKMlzRalZvmMvE/odtyWXkP4Nd1MyZ1QcIwrQ2iwyrAgMBAAE=\n"
529 "-----END RSA PUBLIC KEY-----\n"
530 "p condone 1-10\n"
531 "ntor-onion-key 2/nMJ+L4dd/2GpMyTYjz3zC59MvQy4MIzJZhdzKHekg=\n"
532 "id rsa1024 FHyh10glEMA6MCmBb5R9Y+X/MhQ\n"
533 /* Good 7: I've given this one another sort of odd policy. Should parse. */
534 "onion-key\n"
535 "-----BEGIN RSA PUBLIC KEY-----\n"
536 "MIGJAoGBAKcd3FmQ8iAADghyvX8eca0ePqtJ2w1IDdUdTlf5Y/8+OMdp//sD01yC\n"
537 "YmiX45LK5ge1O3AzcakYCO6fb3pyIqvXdvm24OjyYZELQ40cmKSLjdhcSf4Fr/N9\n"
538 "uR/CkknR9cEePu1wZ5WBIGmGdXI6s7t3LB+e7XFyBYAx6wMGlnX7AgMBAAE=\n"
539 "-----END RSA PUBLIC KEY-----\n"
540 "p accept frogs-mice\n"
541 "ntor-onion-key AMxvhaQ1Qg7jBJFoyHuPRgETvLbFmJ194hExV24FuAI=\n"
542 "family $D8CFEA0D996F5D1473D2063C041B7910DB23981E\n"
543 "id rsa1024 d0VVZC/cHh1P3y4MMbfKlQHFycc\n"
544 /* Good 8: This one has the ntor-onion-key without terminating =. That's
545 * allowed. */
546 "onion-key\n"
547 "-----BEGIN RSA PUBLIC KEY-----\n"
548 "MIGJAoGBAL438YfjrJE2SPqkkXeQwICygu8KNO54Juj6sjqk5hgsiazIWMOBgbaX\n"
549 "LIRqPNGaiSq01xSqwjwCBCfwZYT/nSdDBqj1h9aoR8rnjxZjyQ+m3rWpdDqeCDMx\n"
550 "I3NgZ5w4bNX4poRb42lrV6NmQiFdjzpqszVbv5Lpn2CSKu32CwKVAgMBAAE=\n"
551 "-----END RSA PUBLIC KEY-----\n"
552 "ntor-onion-key UKL6Dnj2KwYsFlkCvOkXVatxvOPB4MaxqwPQQgZMTwI\n"
553 "id rsa1024 FPIXc6k++JnKCtSKWUxaR6oXEKs\n"
554 /* Good 9: Another totally normal one.*/
555 "onion-key\n"
556 "-----BEGIN RSA PUBLIC KEY-----\n"
557 "MIGJAoGBANNGIKRd8PFNXkJ2JPV1ohDMFNbJwKbwybeieaQFjtU9KWedHCbr+QD4\n"
558 "B6zNY5ysguNjHNnlq2f6D09+uhnfDBON8tAz0mPQH/6JqnOXm+EiUn+8bN0E8Nke\n"
559 "/i3GEgDeaxJJMNQcpsJvmmSmKFOlYy9Fy7ejAjTGqtAnqOte7BnTAgMBAAE=\n"
560 "-----END RSA PUBLIC KEY-----\n"
561 "ntor-onion-key gUsq3e5iYgsQQvyxINtLzBpHxmIt5rtuFlEbKfI4gFk=\n"
562 "id rsa1024 jv+LdatDzsMfEW6pLBeL/5uzwCc\n"
563 /* Bad 2: RSA key has bad exponent of 3. */
564 "onion-key\n"
565 "-----BEGIN RSA PUBLIC KEY-----\n"
566 "MIGHAoGBAMMTWtvPxYnUNJ5Y7B+XENcpxzPoGstrdiUszCBS+/42xvluLJ+JDSdR\n"
567 "qJaMD6ax8vKAeLS5C6O17MNdG2VldlPRbtgl41MXsOoUqEJ+nY9e3WG9Snjp47xC\n"
568 "zmWIfeduXSavIsb3a43/MLIz/9qO0TkgAAiuQr79JlwKhLdzCqTLAgED\n"
569 "-----END RSA PUBLIC KEY-----\n"
570 "ntor-onion-key NkRB4wTUFogiVp5jYmjGORe2ffb/y5Kk8Itw8jdzMjA=\n"
571 "p reject 25,119,135-139,445,563,1214,4661-4666,6346-6429,6699,6881-6999\n"
572 "id rsa1024 fKvYjP7TAjCC1FzYee5bYAwYkoDg\n"
573 /* Bad 3: Bogus annotation */
574 "@last-listed with strange aeons\n"
575 "onion-key\n"
576 "-----BEGIN RSA PUBLIC KEY-----\n"
577 "MIGJAoGBALcRBFNCZtpd2TFJysU77/fJMFzKisRQEBOtDGtTZ2Bg4aEGosssa0Id\n"
578 "YtUagRLYle08QVGvGB+EHBI5qf6Ah2yPH7k5QiN2a3Sq+nyh85dXKPazBGBBbM+C\n"
579 "DOfDauV02CAnADNMLJEf1voY3oBVvYyIsmHxn5i1R19ZYIiR8NX5AgMBAAE=\n"
580 "-----END RSA PUBLIC KEY-----\n"
581 "ntor-onion-key m4xcFXMWMjCvZDXq8FT3XmS0EHYseGOeu+fV+6FYDlk=\n"
582 "p accept 20-23,43,53,79-81,88,110,143,194,220,389,443,464,531,543-544\n"
583 "id rsa1024 SSbfNE9vmaiwRKH+eqNAkiKQhds\n"
584 /* Good 10: Normal, with added ipv6 address and added other address */
585 "onion-key\n"
586 "-----BEGIN RSA PUBLIC KEY-----\n"
587 "MIGJAoGBAM7uUtq5F6h63QNYIvC+4NcWaD0DjtnrOORZMkdpJhinXUOwce3cD5Dj\n"
588 "sgdN1wJpWpTQMXJ2DssfSgmOVXETP7qJuZyRprxalQhaEATMDNJA/66Ml1jSO9mZ\n"
589 "+8Xb7m/4q778lNtkSbsvMaYD2Dq6k2QQ3kMhr9z8oUtX0XA23+pfAgMBAAE=\n"
590 "-----END RSA PUBLIC KEY-----\n"
591 "a [::1:2:3:4]:9090\n"
592 "a 18.0.0.1:9999\n"
593 "ntor-onion-key k2yFqTU2vzMCQDEiE/j9UcEHxKrXMLpB3IL0or09sik=\n"
594 "id rsa1024 2A8wYpHxnkKJ92orocvIQBzeHlE\n"
595 "p6 allow 80\n"
596 /* Good 11: Normal, non-exit relay with ipv6 address */
597 "onion-key\n"
598 "-----BEGIN RSA PUBLIC KEY-----\n"
599 "MIGJAoGBAM7uUtq5F6h63QNYIvC+4NcWaD0DjtnrOORZMkdpJhinXUOwce3cD5Dj\n"
600 "sgdN1wJpWpTQMXJ2DssfSgmOVXETP7qJuZyRprxalQhaEATMDNJA/66Ml1jSO9mZ\n"
601 "+8Xb7m/4q778lNtkSbsvMaYD2Dq6k2QQ3kMhr9z8oUtX0XA23+pfAgMBAAE=\n"
602 "-----END RSA PUBLIC KEY-----\n"
603 "a [::1:2:3:4]:9090\n"
604 "a 18.0.0.1:9999\n"
605 "ntor-onion-key k2yFqTU2vzMCQDEiE/j9UcEHxKrXMLpB3IL0or09sik=\n"
606 "id rsa1024 2A8wYpHxnkKJ92orocvIQBzeHlE\n"
607 /* Good 12: Normal, exit relay with ipv6 address */
608 "onion-key\n"
609 "-----BEGIN RSA PUBLIC KEY-----\n"
610 "MIGJAoGBAM7uUtq5F6h63QNYIvC+4NcWaD0DjtnrOORZMkdpJhinXUOwce3cD5Dj\n"
611 "sgdN1wJpWpTQMXJ2DssfSgmOVXETP7qJuZyRprxalQhaEATMDNJA/66Ml1jSO9mZ\n"
612 "+8Xb7m/4q778lNtkSbsvMaYD2Dq6k2QQ3kMhr9z8oUtX0XA23+pfAgMBAAE=\n"
613 "-----END RSA PUBLIC KEY-----\n"
614 "a [::1:2:3:4]:9090\n"
615 "a 18.0.0.1:9999\n"
616 "ntor-onion-key k2yFqTU2vzMCQDEiE/j9UcEHxKrXMLpB3IL0or09sik=\n"
617 "p accept 20-23,43,53,79-81,88,110,143,194,220,389,443,464,531,543-544\n"
618 "id rsa1024 2A8wYpHxnkKJ92orocvIQBzeHlE\n"
619 /* Good 13: Normal, exit relay with only ipv6 exit policy */
620 "onion-key\n"
621 "-----BEGIN RSA PUBLIC KEY-----\n"
622 "MIGJAoGBAM7uUtq5F6h63QNYIvC+4NcWaD0DjtnrOORZMkdpJhinXUOwce3cD5Dj\n"
623 "sgdN1wJpWpTQMXJ2DssfSgmOVXETP7qJuZyRprxalQhaEATMDNJA/66Ml1jSO9mZ\n"
624 "+8Xb7m/4q778lNtkSbsvMaYD2Dq6k2QQ3kMhr9z8oUtX0XA23+pfAgMBAAE=\n"
625 "-----END RSA PUBLIC KEY-----\n"
626 "a [::1:2:3:4]:9090\n"
627 "a 18.0.0.1:9999\n"
628 "ntor-onion-key k2yFqTU2vzMCQDEiE/j9UcEHxKrXMLpB3IL0or09sik=\n"
629 "p6 accept 20-23,43,53,79-81,88,110,143,194,220,389,443,464,531,543-544\n"
630 "id rsa1024 2A8wYpHxnkKJ92orocvIQBzeHlE\n"
631 ;
632 #ifdef HAVE_CFLAG_WOVERLENGTH_STRINGS
633 ENABLE_GCC_WARNING("-Woverlength-strings")
634 #endif
635
636 /** More tests for parsing different kinds of microdescriptors, and getting
637 * invalid digests trackd from them. */
638 static void
test_md_parse(void * arg)639 test_md_parse(void *arg)
640 {
641 (void) arg;
642 char *mem_op_hex_tmp = NULL;
643 smartlist_t *invalid = smartlist_new();
644
645 smartlist_t *mds = microdescs_parse_from_string(MD_PARSE_TEST_DATA,
646 NULL, 1, SAVED_NOWHERE,
647 invalid);
648 tt_int_op(smartlist_len(mds), OP_EQ, 14);
649 tt_int_op(smartlist_len(invalid), OP_EQ, 4);
650
651 test_memeq_hex(smartlist_get(invalid,0),
652 "5d76bf1c6614e885614a1e0ad074e1ab"
653 "4ea14655ebeefb1736a71b5ed8a15a51");
654 test_memeq_hex(smartlist_get(invalid,1),
655 "2fde0ee3343669c2444cd9d53cbd39c6"
656 "a7d1fc0513513e840ca7f6e68864b36c");
657 test_memeq_hex(smartlist_get(invalid,2),
658 "20d1576c5ab11bbcff0dedb1db4a3cfc"
659 "c8bc8dd839d8cbfef92d00a1a7d7b294");
660 test_memeq_hex(smartlist_get(invalid,3),
661 "074770f394c73dbde7b44412e9692add"
662 "691a478d4727f9804b77646c95420a96");
663
664 /* Spot-check the valid ones. */
665 const microdesc_t *md = smartlist_get(mds, 5);
666 test_memeq_hex(md->digest,
667 "54bb6d733ddeb375d2456c79ae103961"
668 "da0cae29620375ac4cf13d54da4d92b3");
669 tt_int_op(md->last_listed, OP_EQ, 0);
670 tt_int_op(md->saved_location, OP_EQ, SAVED_NOWHERE);
671 tt_int_op(md->no_save, OP_EQ, 0);
672 tt_uint_op(md->held_in_map, OP_EQ, 0);
673 tt_uint_op(md->held_by_nodes, OP_EQ, 0);
674 tt_assert(md->onion_curve25519_pkey);
675
676 md = smartlist_get(mds, 6);
677 test_memeq_hex(md->digest,
678 "53f740bd222ab37f19f604b1d3759aa6"
679 "5eff1fbce9ac254bd0fa50d4af9b1bae");
680 tt_assert(! md->exit_policy);
681
682 md = smartlist_get(mds, 8);
683 test_memeq_hex(md->digest,
684 "a0a155562d8093d8fd0feb7b93b7226e"
685 "17f056c2142aab7a4ea8c5867a0376d5");
686 tt_assert(md->onion_curve25519_pkey);
687
688 md = smartlist_get(mds, 10);
689 test_memeq_hex(md->digest,
690 "409ebd87d23925a2732bd467a92813c9"
691 "21ca378fcb9ca193d354c51550b6d5e9");
692 tt_assert(tor_addr_family(&md->ipv6_addr) == AF_INET6);
693 tt_int_op(md->ipv6_orport, OP_EQ, 9090);
694
695 md = smartlist_get(mds, 11);
696 tt_assert(tor_addr_family(&md->ipv6_addr) == AF_INET6);
697 tt_int_op(md->ipv6_orport, OP_EQ, 9090);
698 tt_int_op(md->policy_is_reject_star, OP_EQ, 1);
699
700 md = smartlist_get(mds, 12);
701 tt_assert(tor_addr_family(&md->ipv6_addr) == AF_INET6);
702 tt_int_op(md->ipv6_orport, OP_EQ, 9090);
703 tt_int_op(md->policy_is_reject_star, OP_EQ, 0);
704
705 md = smartlist_get(mds, 13);
706 tt_assert(tor_addr_family(&md->ipv6_addr) == AF_INET6);
707 tt_int_op(md->ipv6_orport, OP_EQ, 9090);
708 tt_int_op(md->policy_is_reject_star, OP_EQ, 0);
709
710 done:
711 SMARTLIST_FOREACH(mds, microdesc_t *, mdsc, microdesc_free(mdsc));
712 smartlist_free(mds);
713 SMARTLIST_FOREACH(invalid, char *, cp, tor_free(cp));
714 smartlist_free(invalid);
715 tor_free(mem_op_hex_tmp);
716 }
717
718 static void
test_md_parse_id_ed25519(void * arg)719 test_md_parse_id_ed25519(void *arg)
720 {
721 (void)arg;
722
723 /* A correct MD with an ed25519 ID ... and an unspecified ID type,
724 * which is permitted. */
725 const char GOOD_MD[] =
726 "onion-key\n"
727 "-----BEGIN RSA PUBLIC KEY-----\n"
728 "MIGJAoGBAM7uUtq5F6h63QNYIvC+4NcWaD0DjtnrOORZMkdpJhinXUOwce3cD5Dj\n"
729 "sgdN1wJpWpTQMXJ2DssfSgmOVXETP7qJuZyRprxalQhaEATMDNJA/66Ml1jSO9mZ\n"
730 "+8Xb7m/4q778lNtkSbsvMaYD2Dq6k2QQ3kMhr9z8oUtX0XA23+pfAgMBAAE=\n"
731 "-----END RSA PUBLIC KEY-----\n"
732 "ntor-onion-key AppBt6CSeb1kKid/36ototmFA24ddfW5JpjWPLuoJgs=\n"
733 "id ed25519 VGhpcyBpc24ndCBhY3R1YWxseSBhIHB1YmxpYyBrZXk\n"
734 "id wumpus dodecahedron\n";
735
736 smartlist_t *mds = NULL;
737 const microdesc_t *md;
738
739 mds = microdescs_parse_from_string(GOOD_MD,
740 NULL, 1, SAVED_NOWHERE, NULL);
741 tt_assert(mds);
742 tt_int_op(smartlist_len(mds), OP_EQ, 1);
743 md = smartlist_get(mds, 0);
744 tt_mem_op(md->ed25519_identity_pkey, OP_EQ,
745 "This isn't actually a public key", ED25519_PUBKEY_LEN);
746 SMARTLIST_FOREACH(mds, microdesc_t *, m, microdesc_free(m));
747 smartlist_free(mds);
748
749 /* As above, but ed25519 ID key appears twice. */
750 const char DUPLICATE_KEY[] =
751 "onion-key\n"
752 "-----BEGIN RSA PUBLIC KEY-----\n"
753 "MIGJAoGBAM7uUtq5F6h63QNYIvC+4NcWaD0DjtnrOORZMkdpJhinXUOwce3cD5Dj\n"
754 "sgdN1wJpWpTQMXJ2DssfSgmOVXETP7qJuZyRprxalQhaEATMDNJA/66Ml1jSO9mZ\n"
755 "+8Xb7m/4q778lNtkSbsvMaYD2Dq6k2QQ3kMhr9z8oUtX0XA23+pfAgMBAAE=\n"
756 "-----END RSA PUBLIC KEY-----\n"
757 "ntor-onion-key AppBt6CSeb1kKid/36ototmFA24ddfW5JpjWPLuoJgs\n"
758 "id ed25519 VGhpcyBpc24ndCBhY3R1YWxseSBhIHB1YmxpYyBrZXk\n"
759 "id ed25519 VGhpcyBpc24ndCBhY3R1YWxseSBhIHB1YmxpYyBrZXk\n";
760
761 setup_capture_of_logs(LOG_WARN);
762 mds = microdescs_parse_from_string(DUPLICATE_KEY,
763 NULL, 1, SAVED_NOWHERE, NULL);
764 tt_assert(mds);
765 tt_int_op(smartlist_len(mds), OP_EQ, 0); // no entries.
766 expect_single_log_msg_containing("Extra ed25519 key");
767 mock_clean_saved_logs();
768 smartlist_free(mds);
769
770 /* As above, but ed25519 ID key is invalid. */
771 const char BOGUS_KEY[] =
772 "onion-key\n"
773 "-----BEGIN RSA PUBLIC KEY-----\n"
774 "MIGJAoGBAM7uUtq5F6h63QNYIvC+4NcWaD0DjtnrOORZMkdpJhinXUOwce3cD5Dj\n"
775 "sgdN1wJpWpTQMXJ2DssfSgmOVXETP7qJuZyRprxalQhaEATMDNJA/66Ml1jSO9mZ\n"
776 "+8Xb7m/4q778lNtkSbsvMaYD2Dq6k2QQ3kMhr9z8oUtX0XA23+pfAgMBAAE=\n"
777 "-----END RSA PUBLIC KEY-----\n"
778 "ntor-onion-key AppBt6CSeb1kKid/36ototmFA24ddfW5JpjWPLuoJgs\n"
779 "id ed25519 VGhpcyBpc24ndCBhY3R1YWxseSBhIHB1YmxpYyZZZZZZZZZZZ\n";
780
781 mds = microdescs_parse_from_string(BOGUS_KEY,
782 NULL, 1, SAVED_NOWHERE, NULL);
783 tt_assert(mds);
784 tt_int_op(smartlist_len(mds), OP_EQ, 0); // no entries.
785 expect_single_log_msg_containing("Bogus ed25519 key");
786
787 done:
788 if (mds) {
789 SMARTLIST_FOREACH(mds, microdesc_t *, m, microdesc_free(m));
790 smartlist_free(mds);
791 }
792 teardown_capture_of_logs();
793 }
794
795 static int mock_rgsbd_called = 0;
796 static routerstatus_t *mock_rgsbd_val_a = NULL;
797 static routerstatus_t *mock_rgsbd_val_b = NULL;
798 static routerstatus_t *
mock_router_get_status_by_digest(networkstatus_t * c,const char * d)799 mock_router_get_status_by_digest(networkstatus_t *c, const char *d)
800 {
801 (void) c;
802 ++mock_rgsbd_called;
803
804 if (fast_memeq(d, "\x5d\x76", 2)) {
805 memcpy(mock_rgsbd_val_a->descriptor_digest, d, 32);
806 return mock_rgsbd_val_a;
807 } else if (fast_memeq(d, "\x20\xd1", 2)) {
808 memcpy(mock_rgsbd_val_b->descriptor_digest, d, 32);
809 return mock_rgsbd_val_b;
810 } else {
811 return NULL;
812 }
813 }
814
815 static networkstatus_t *mock_ns_val = NULL;
816 static networkstatus_t *
mock_ns_get_by_flavor(consensus_flavor_t f)817 mock_ns_get_by_flavor(consensus_flavor_t f)
818 {
819 (void)f;
820 return mock_ns_val;
821 }
822
823 static void
test_md_reject_cache(void * arg)824 test_md_reject_cache(void *arg)
825 {
826 (void) arg;
827 microdesc_cache_t *mc = NULL ;
828 smartlist_t *added = NULL, *wanted = smartlist_new();
829 or_options_t *options = get_options_mutable();
830 char buf[DIGEST256_LEN];
831
832 tor_free(options->CacheDirectory);
833 options->CacheDirectory = tor_strdup(get_fname("md_datadir_test_rej"));
834 mock_rgsbd_val_a = tor_malloc_zero(sizeof(routerstatus_t));
835 mock_rgsbd_val_b = tor_malloc_zero(sizeof(routerstatus_t));
836 mock_ns_val = tor_malloc_zero(sizeof(networkstatus_t));
837
838 mock_ns_val->valid_after = time(NULL) - 86400;
839 mock_ns_val->valid_until = time(NULL) + 86400;
840 mock_ns_val->flavor = FLAV_MICRODESC;
841
842 #ifdef _WIN32
843 tt_int_op(0, OP_EQ, mkdir(options->CacheDirectory));
844 #else
845 tt_int_op(0, OP_EQ, mkdir(options->CacheDirectory, 0700));
846 #endif
847
848 MOCK(router_get_mutable_consensus_status_by_descriptor_digest,
849 mock_router_get_status_by_digest);
850 MOCK(networkstatus_get_latest_consensus_by_flavor, mock_ns_get_by_flavor);
851
852 mc = get_microdesc_cache();
853 #define ADD(hex) \
854 do { \
855 tt_int_op(sizeof(buf),OP_EQ,base16_decode(buf,sizeof(buf), \
856 hex,strlen(hex)));\
857 smartlist_add(wanted, tor_memdup(buf, DIGEST256_LEN)); \
858 } while (0)
859
860 /* invalid,0 */
861 ADD("5d76bf1c6614e885614a1e0ad074e1ab4ea14655ebeefb1736a71b5ed8a15a51");
862 /* invalid,2 */
863 ADD("20d1576c5ab11bbcff0dedb1db4a3cfcc8bc8dd839d8cbfef92d00a1a7d7b294");
864 /* valid, 6 */
865 ADD("53f740bd222ab37f19f604b1d3759aa65eff1fbce9ac254bd0fa50d4af9b1bae");
866 /* valid, 8 */
867 ADD("a0a155562d8093d8fd0feb7b93b7226e17f056c2142aab7a4ea8c5867a0376d5");
868
869 added = microdescs_add_to_cache(mc, MD_PARSE_TEST_DATA, NULL,
870 SAVED_NOWHERE, 0, time(NULL), wanted);
871
872 tt_int_op(smartlist_len(added), OP_EQ, 2);
873 tt_int_op(mock_rgsbd_called, OP_EQ, 2);
874 tt_int_op(mock_rgsbd_val_a->dl_status.n_download_failures, OP_EQ, 255);
875 tt_int_op(mock_rgsbd_val_b->dl_status.n_download_failures, OP_EQ, 255);
876
877 done:
878 UNMOCK(networkstatus_get_latest_consensus_by_flavor);
879 UNMOCK(router_get_mutable_consensus_status_by_descriptor_digest);
880 tor_free(options->CacheDirectory);
881 microdesc_free_all();
882 smartlist_free(added);
883 SMARTLIST_FOREACH(wanted, char *, cp, tor_free(cp));
884 smartlist_free(wanted);
885 tor_free(mock_rgsbd_val_a);
886 tor_free(mock_rgsbd_val_b);
887 tor_free(mock_ns_val);
888 }
889
890 static void
test_md_corrupt_desc(void * arg)891 test_md_corrupt_desc(void *arg)
892 {
893 char *cp = NULL;
894 smartlist_t *sl = NULL;
895 (void) arg;
896
897 sl = microdescs_add_to_cache(get_microdesc_cache(),
898 "@last-listed 2015-06-22 10:00:00\n"
899 "onion-k\n",
900 NULL, SAVED_IN_JOURNAL, 0, time(NULL), NULL);
901 tt_int_op(smartlist_len(sl), OP_EQ, 0);
902 smartlist_free(sl);
903
904 sl = microdescs_add_to_cache(get_microdesc_cache(),
905 "@last-listed 2015-06-22 10:00:00\n"
906 "wiggly\n",
907 NULL, SAVED_IN_JOURNAL, 0, time(NULL), NULL);
908 tt_int_op(smartlist_len(sl), OP_EQ, 0);
909 smartlist_free(sl);
910
911 tor_asprintf(&cp, "%s\n%s", test_md1, "@foobar\nonion-wobble\n");
912
913 sl = microdescs_add_to_cache(get_microdesc_cache(),
914 cp, cp+strlen(cp),
915 SAVED_IN_JOURNAL, 0, time(NULL), NULL);
916 tt_int_op(smartlist_len(sl), OP_EQ, 0);
917
918 done:
919 tor_free(cp);
920 smartlist_free(sl);
921 }
922
923 struct testcase_t microdesc_tests[] = {
924 { "cache", test_md_cache, TT_FORK, NULL, NULL },
925 { "broken_cache", test_md_cache_broken, TT_FORK, NULL, NULL },
926 { "generate", test_md_generate, 0, NULL, NULL },
927 { "parse", test_md_parse, 0, NULL, NULL },
928 { "parse_id_ed25519", test_md_parse_id_ed25519, 0, NULL, NULL },
929 { "reject_cache", test_md_reject_cache, TT_FORK, NULL, NULL },
930 { "corrupt_desc", test_md_corrupt_desc, TT_FORK, NULL, NULL },
931 END_OF_TESTCASES
932 };
933