-pseu caching + test
[oweals/gnunet.git] / src / gns / test_gns_pseu_shorten.c
1 /*
2      This file is part of GNUnet.
3      (C) 2009 Christian Grothoff (and other contributing authors)
4
5      GNUnet is free software; you can redistribute it and/or modify
6      it under the terms of the GNU General Public License as published
7      by the Free Software Foundation; either version 3, or (at your
8      option) any later version.
9
10      GNUnet is distributed in the hope that it will be useful, but
11      WITHOUT ANY WARRANTY; without even the implied warranty of
12      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13      General Public License for more details.
14
15      You should have received a copy of the GNU General Public License
16      along with GNUnet; see the file COPYING.  If not, write to the
17      Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18      Boston, MA 02111-1307, USA.
19 */
20 /**
21  * @file gns/test_gns_pseu_shorten.c
22  * @brief base testcase for testing on the fly pseu import and shorten
23  *
24  */
25 #include "platform.h"
26 #include "gnunet_testing_lib.h"
27 #include "gnunet_core_service.h"
28 #include "block_gns.h"
29 #include "gnunet_signatures.h"
30 #include "gnunet_namestore_service.h"
31 #include "../namestore/namestore.h"
32 #include "gnunet_dnsparser_lib.h"
33 #include "gnunet_dht_service.h"
34 #include "gnunet_gns_service.h"
35
36 /* DEFINES */
37 #define VERBOSE GNUNET_YES
38
39 /* Timeout for entire testcase */
40 #define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 5)
41
42 /* If number of peers not in config file, use this number */
43 #define DEFAULT_NUM_PEERS 2
44
45 /* test records to resolve */
46 #define TEST_DOMAIN "www.alice.bob.gnunet"
47 #define TEST_IP "127.0.0.1"
48 #define TEST_RECORD_NAME "www"
49
50 #define TEST_AUTHORITY_BOB "bob"
51 #define TEST_AUTHORITY_ALICE "alice"
52 #define TEST_PSEU_ALICE "carol"
53 #define TEST_EXPECTED_RESULT "www.carol.gnunet"
54
55 #define DHT_OPERATION_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
56
57 /* Globals */
58
59 /**
60  * Directory to store temp data in, defined in config file
61  */
62 static char *test_directory;
63
64 struct GNUNET_TESTING_Daemon *d1;
65
66
67 /* Task handle to use to schedule test failure */
68 GNUNET_SCHEDULER_TaskIdentifier die_task;
69
70 /* Global return value (0 for success, anything else for failure) */
71 static int ok;
72
73 static struct GNUNET_NAMESTORE_Handle *namestore_handle;
74
75 static struct GNUNET_GNS_Handle *gns_handle;
76
77 static struct GNUNET_DHT_Handle *dht_handle;
78
79 const struct GNUNET_CONFIGURATION_Handle *cfg;
80
81 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
82 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded bob_pkey;
83 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded our_pkey;
84 struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
85 struct GNUNET_CRYPTO_RsaPrivateKey *bob_key;
86 struct GNUNET_CRYPTO_RsaPrivateKey *our_key;
87 GNUNET_HashCode alice_hash;
88 GNUNET_HashCode bob_hash;
89
90 /**
91  * Check whether peers successfully shut down.
92  */
93 void
94 shutdown_callback (void *cls, const char *emsg)
95 {
96   if (emsg != NULL)
97   {
98     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Error on shutdown! ret=%d\n", ok);
99     if (ok == 0)
100       ok = 2;
101   }
102
103   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "done(ret=%d)!\n", ok);
104 }
105
106 /**
107  * Called when gns shorten finishes
108  */
109 static void
110 process_shorten_result(void* cls, const char* sname)
111 {
112   GNUNET_GNS_disconnect(gns_handle);
113   ok = 0;
114
115   if (sname == NULL)
116   {
117     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
118                 "shorten test failed!\n");
119     ok = 1;
120   }
121   else
122   {
123     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
124                 "%s shortened to %s\n", (char*)cls, sname);
125     if (0 != strcmp(sname, TEST_EXPECTED_RESULT))
126     {
127       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
128                   "shorten test failed! (wanted: %s got: %s\n",
129                   (char*)cls, sname);
130       ok = 1;
131     }
132
133     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "shorten test succeeded!\n");
134   }
135
136   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer1!\n");
137   GNUNET_TESTING_daemon_stop (d1, TIMEOUT, &shutdown_callback, NULL,
138                               GNUNET_YES, GNUNET_NO);
139 }
140
141 static void
142 do_shorten(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
143 {
144   GNUNET_GNS_shorten(gns_handle, TEST_DOMAIN, &process_shorten_result,
145 TEST_DOMAIN);
146 }
147
148 static void
149 on_lookup_result(void *cls, uint32_t rd_count,
150                  const struct GNUNET_NAMESTORE_RecordData *rd)
151 {
152   struct in_addr a;
153   int i;
154   char* addr;
155   
156   if (rd_count == 0)
157   {
158     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
159                 "Lookup failed, rp_filtering?\n");
160     ok = 2;
161   }
162   else
163   {
164     ok = 1;
165     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
166     for (i=0; i<rd_count; i++)
167     {
168       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
169       if (rd[i].record_type == GNUNET_GNS_RECORD_TYPE_A)
170       {
171         memcpy(&a, rd[i].data, sizeof(a));
172         addr = inet_ntoa(a);
173         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
174         if (0 == strcmp(addr, TEST_IP))
175         {
176           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
177                     "%s correctly resolved to %s!\n", TEST_DOMAIN, addr);
178           ok = 0;
179         }
180       }
181       else
182       {
183         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
184       }
185     }
186   }
187   
188   GNUNET_SCHEDULER_add_delayed (TIMEOUT, &do_shorten, NULL);
189 }
190
191
192 /**
193  * Function scheduled to be run on the successful start of services
194  * tries to look up the dns record for TEST_DOMAIN
195  */
196 static void
197 commence_testing (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
198 {
199   GNUNET_DHT_disconnect(dht_handle);
200
201   GNUNET_CRYPTO_rsa_key_free(our_key);
202   GNUNET_CRYPTO_rsa_key_free(bob_key);
203   GNUNET_CRYPTO_rsa_key_free(alice_key);
204
205   gns_handle = GNUNET_GNS_connect(cfg);
206
207   if (NULL == gns_handle)
208   {
209     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
210                 "Failed to connect to GNS!\n");
211   }
212
213   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN, GNUNET_GNS_RECORD_TYPE_A,
214                     &on_lookup_result, TEST_DOMAIN);
215 }
216
217 /**
218  * Continuation for the GNUNET_DHT_get_stop call, so that we don't shut
219  * down the peers without freeing memory associated with GET request.
220  */
221 static void
222 end_badly_cont (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
223 {
224
225   if (d1 != NULL)
226     GNUNET_TESTING_daemon_stop (d1, TIMEOUT, &shutdown_callback, NULL,
227                                 GNUNET_YES, GNUNET_NO);
228   GNUNET_SCHEDULER_cancel (die_task);
229 }
230
231 /**
232  * Check if the get_handle is being used, if so stop the request.  Either
233  * way, schedule the end_badly_cont function which actually shuts down the
234  * test.
235  */
236 static void
237 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
238 {
239   GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failing test with error: `%s'!\n",
240               (char *) cls);
241   GNUNET_SCHEDULER_add_now (&end_badly_cont, NULL);
242   ok = 1;
243 }
244
245 static void
246 put_pseu_dht(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
247 {
248   struct GNSNameRecordBlock *nrb;
249   GNUNET_HashCode name_hash;
250   GNUNET_HashCode xor_hash;
251   GNUNET_HashCode zone_hash;
252   uint32_t rd_payload_length;
253   char* nrb_data = NULL;
254   struct GNUNET_CRYPTO_RsaSignature *sig;
255   struct GNUNET_NAMESTORE_RecordData rd;
256   
257   rd.expiration = GNUNET_TIME_absolute_get_forever ();
258   rd.data_size = strlen(TEST_PSEU_ALICE);
259   rd.data = TEST_PSEU_ALICE;
260   rd.record_type = GNUNET_GNS_RECORD_PSEU;
261
262   sig = GNUNET_NAMESTORE_create_signature(alice_key,
263                                           GNUNET_TIME_absolute_get_forever(),
264                                           "+",
265                                           &rd, 1);
266   rd_payload_length = GNUNET_NAMESTORE_records_get_size (1, &rd);
267   nrb = GNUNET_malloc(rd_payload_length + strlen("+") + 1
268                       + sizeof(struct GNSNameRecordBlock));
269   nrb->signature = *sig;
270   nrb->public_key = alice_pkey;
271   nrb->rd_count = htonl(1);
272   memset(&nrb[1], 0, strlen("+") + 1);
273   strcpy((char*)&nrb[1], "+");
274   nrb_data = (char*)&nrb[1];
275   nrb_data += strlen("+") + 1;
276
277   if (-1 == GNUNET_NAMESTORE_records_serialize (1,
278                                                 &rd,
279                                                 rd_payload_length,
280                                                 nrb_data))
281   {
282     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Record serialization failed!\n");
283     ok = 3;
284     GNUNET_DHT_disconnect(dht_handle);
285     
286     
287     GNUNET_CRYPTO_rsa_key_free(our_key);
288     GNUNET_CRYPTO_rsa_key_free(bob_key);
289     GNUNET_CRYPTO_rsa_key_free(alice_key);
290     GNUNET_free(sig);
291     GNUNET_free (nrb);
292     return;
293   }
294   GNUNET_CRYPTO_hash("+", strlen("+"), &name_hash);
295   GNUNET_CRYPTO_hash(&alice_pkey,
296                      sizeof(struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded),
297                      &zone_hash);
298   GNUNET_CRYPTO_hash_xor(&zone_hash, &name_hash, &xor_hash);
299
300   rd_payload_length += sizeof(struct GNSNameRecordBlock) +
301     strlen("+") + 1;
302
303   GNUNET_DHT_put (dht_handle, &xor_hash,
304                   0,
305                   GNUNET_DHT_RO_NONE,
306                   GNUNET_BLOCK_TYPE_GNS_NAMERECORD,
307                   rd_payload_length,
308                   (char*)nrb,
309                   rd.expiration,
310                   DHT_OPERATION_TIMEOUT,
311                   &commence_testing,
312                   NULL);
313   
314   GNUNET_free(sig);
315   GNUNET_free (nrb);
316 }
317
318 static void
319 put_www_dht(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
320 {
321   struct GNSNameRecordBlock *nrb;
322   GNUNET_HashCode name_hash;
323   GNUNET_HashCode xor_hash;
324   GNUNET_HashCode zone_hash;
325   uint32_t rd_payload_length;
326   char* nrb_data = NULL;
327   struct GNUNET_CRYPTO_RsaSignature *sig;
328   struct GNUNET_NAMESTORE_RecordData rd;
329   char* ip = TEST_IP;
330   struct in_addr *web = GNUNET_malloc(sizeof(struct in_addr));
331   
332   rd.expiration = GNUNET_TIME_absolute_get_forever ();
333   GNUNET_assert(1 == inet_pton (AF_INET, ip, web));
334   rd.data_size = sizeof(struct in_addr);
335   rd.data = web;
336   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
337
338   sig = GNUNET_NAMESTORE_create_signature(alice_key,
339                                           GNUNET_TIME_absolute_get_forever(),
340                                           TEST_RECORD_NAME,
341                                           &rd, 1);
342   rd_payload_length = GNUNET_NAMESTORE_records_get_size (1, &rd);
343   nrb = GNUNET_malloc(rd_payload_length + strlen(TEST_RECORD_NAME) + 1
344                       + sizeof(struct GNSNameRecordBlock));
345   nrb->signature = *sig;
346   nrb->public_key = alice_pkey;
347   nrb->rd_count = htonl(1);
348   memset(&nrb[1], 0, strlen(TEST_RECORD_NAME) + 1);
349   strcpy((char*)&nrb[1], TEST_RECORD_NAME);
350   nrb_data = (char*)&nrb[1];
351   nrb_data += strlen(TEST_RECORD_NAME) + 1;
352
353   if (-1 == GNUNET_NAMESTORE_records_serialize (1,
354                                                 &rd,
355                                                 rd_payload_length,
356                                                 nrb_data))
357   {
358     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Record serialization failed!\n");
359     ok = 3;
360     GNUNET_DHT_disconnect(dht_handle);
361     
362     GNUNET_CRYPTO_rsa_key_free(our_key);
363     GNUNET_CRYPTO_rsa_key_free(bob_key);
364     GNUNET_CRYPTO_rsa_key_free(alice_key);
365     GNUNET_free(web);
366     GNUNET_free (nrb);
367     return;
368   }
369   GNUNET_CRYPTO_hash(TEST_RECORD_NAME, strlen(TEST_RECORD_NAME), &name_hash);
370   GNUNET_CRYPTO_hash(&alice_pkey,
371                      sizeof(struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded),
372                      &zone_hash);
373   GNUNET_CRYPTO_hash_xor(&zone_hash, &name_hash, &xor_hash);
374
375   rd_payload_length += sizeof(struct GNSNameRecordBlock) +
376     strlen(TEST_RECORD_NAME) + 1;
377
378   GNUNET_DHT_put (dht_handle, &xor_hash,
379                   0,
380                   GNUNET_DHT_RO_NONE,
381                   GNUNET_BLOCK_TYPE_GNS_NAMERECORD,
382                   rd_payload_length,
383                   (char*)nrb,
384                   rd.expiration,
385                   DHT_OPERATION_TIMEOUT,
386                   &put_pseu_dht,
387                   NULL);
388
389   GNUNET_free(web);
390   GNUNET_free (nrb);
391 }
392
393
394 static void
395 put_pkey_dht(void *cls, int32_t success, const char *emsg)
396 {
397   struct GNSNameRecordBlock *nrb;
398   GNUNET_HashCode name_hash;
399   GNUNET_HashCode xor_hash;
400   GNUNET_HashCode zone_hash;
401   uint32_t rd_payload_length;
402   char* nrb_data = NULL;
403   struct GNUNET_CRYPTO_RsaSignature *sig;
404   struct GNUNET_NAMESTORE_RecordData rd;
405   
406   rd.expiration = GNUNET_TIME_absolute_get_forever ();
407   rd.data_size = sizeof(GNUNET_HashCode);
408   rd.data = &alice_hash;
409   rd.record_type = GNUNET_GNS_RECORD_PKEY;
410
411   sig = GNUNET_NAMESTORE_create_signature(bob_key,
412                                           GNUNET_TIME_absolute_get_forever(),
413                                           TEST_AUTHORITY_ALICE,
414                                           &rd,
415                                           1);
416
417   rd_payload_length = GNUNET_NAMESTORE_records_get_size (1, &rd);
418   nrb = GNUNET_malloc(rd_payload_length + strlen(TEST_AUTHORITY_ALICE) + 1
419                       + sizeof(struct GNSNameRecordBlock));
420   nrb->signature = *sig;
421   nrb->public_key = bob_pkey;
422   nrb->rd_count = htonl(1);
423   memset(&nrb[1], 0, strlen(TEST_AUTHORITY_ALICE) + 1);
424   strcpy((char*)&nrb[1], TEST_AUTHORITY_ALICE);
425   nrb_data = (char*)&nrb[1];
426   nrb_data += strlen(TEST_AUTHORITY_ALICE) + 1;
427
428   if (-1 == GNUNET_NAMESTORE_records_serialize (1,
429                                                 &rd,
430                                                 rd_payload_length,
431                                                 nrb_data))
432   {
433     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Record serialization failed!\n");
434     ok = 3;
435     
436     GNUNET_CRYPTO_rsa_key_free(our_key);
437     GNUNET_CRYPTO_rsa_key_free(bob_key);
438     GNUNET_CRYPTO_rsa_key_free(alice_key);
439     GNUNET_free(sig);
440     GNUNET_free (nrb);
441     return;
442   }
443
444
445   GNUNET_CRYPTO_hash(TEST_AUTHORITY_ALICE,
446                      strlen(TEST_AUTHORITY_ALICE), &name_hash);
447   GNUNET_CRYPTO_hash(&bob_pkey,
448                      sizeof(struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded),
449                      &zone_hash);
450   GNUNET_CRYPTO_hash_xor(&zone_hash, &name_hash, &xor_hash);
451
452   rd_payload_length += sizeof(struct GNSNameRecordBlock) +
453     strlen(TEST_AUTHORITY_ALICE) + 1;
454   GNUNET_DHT_put (dht_handle, &xor_hash,
455                   0,
456                   GNUNET_DHT_RO_NONE,
457                   GNUNET_BLOCK_TYPE_GNS_NAMERECORD,
458                   rd_payload_length,
459                   (char*)nrb,
460                   rd.expiration,
461                   DHT_OPERATION_TIMEOUT,
462                   &put_www_dht,
463                   NULL);
464   GNUNET_NAMESTORE_disconnect(namestore_handle, GNUNET_NO);
465   GNUNET_free (nrb);
466 }
467
468 static void
469 do_lookup(void *cls, const struct GNUNET_PeerIdentity *id,
470           const struct GNUNET_CONFIGURATION_Handle *cfg,
471           struct GNUNET_TESTING_Daemon *d, const char *emsg)
472 {
473   
474   
475   char* our_keyfile;
476   
477
478   GNUNET_SCHEDULER_cancel (die_task);
479
480   /* put records into namestore */
481   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
482   if (NULL == namestore_handle)
483   {
484     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
485     ok = -1;
486     return;
487   }
488   
489   /* dht */
490   dht_handle = GNUNET_DHT_connect(cfg, 1);
491   if (NULL == dht_handle)
492   {
493     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to dht\n");
494     ok = -1;
495     return;
496   }
497
498   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
499                                                           "ZONEKEY",
500                                                           &our_keyfile))
501   {
502     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
503     ok = -1;
504     return;
505   }
506
507   our_key = GNUNET_CRYPTO_rsa_key_create_from_file (our_keyfile);
508   bob_key = GNUNET_CRYPTO_rsa_key_create ();
509   alice_key = GNUNET_CRYPTO_rsa_key_create ();
510   
511   GNUNET_free(our_keyfile);
512
513   GNUNET_CRYPTO_rsa_key_get_public (our_key, &our_pkey);
514   GNUNET_CRYPTO_rsa_key_get_public (bob_key, &bob_pkey);
515   GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
516   GNUNET_CRYPTO_hash(&bob_pkey, sizeof(bob_pkey), &bob_hash);
517   GNUNET_CRYPTO_hash(&alice_pkey, sizeof(alice_pkey), &alice_hash);
518
519   struct GNUNET_NAMESTORE_RecordData rd;
520   rd.expiration = GNUNET_TIME_absolute_get_forever ();
521   rd.data_size = sizeof(GNUNET_HashCode);
522   rd.data = &bob_hash;
523   rd.record_type = GNUNET_GNS_RECORD_PKEY;
524
525   GNUNET_NAMESTORE_record_create (namestore_handle,
526                                   our_key,
527                                   TEST_AUTHORITY_BOB,
528                                   &rd,
529                                   &put_pkey_dht,
530                                   NULL);
531
532
533 }
534
535 static void
536 run (void *cls, char *const *args, const char *cfgfile,
537      const struct GNUNET_CONFIGURATION_Handle *c)
538 {
539   cfg = c;
540    /* Get path from configuration file */
541   if (GNUNET_YES !=
542       GNUNET_CONFIGURATION_get_value_string (cfg, "paths", "servicehome",
543                                              &test_directory))
544   {
545     ok = 404;
546     return;
547   }
548
549     
550   /* Set up a task to end testing if peer start fails */
551   die_task =
552       GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly,
553                                     "didn't start all daemons in reasonable amount of time!!!");
554   
555   /* Start alice */
556   d1 = GNUNET_TESTING_daemon_start(cfg, TIMEOUT, GNUNET_NO, NULL, NULL, 0,
557                                    NULL, NULL, NULL, &do_lookup, NULL);
558 }
559
560 static int
561 check ()
562 {
563   int ret;
564
565   /* Arguments for GNUNET_PROGRAM_run */
566   char *const argv[] = { "test-gns-dht-delegated-lookup", /* Name to give running binary */
567     "-c",
568     "test_gns_simple_lookup.conf",       /* Config file to use */
569 #if VERBOSE
570     "-L", "DEBUG",
571 #endif
572     NULL
573   };
574   struct GNUNET_GETOPT_CommandLineOption options[] = {
575     GNUNET_GETOPT_OPTION_END
576   };
577   /* Run the run function as a new program */
578   ret =
579       GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv,
580                           "test-gns-dht-delegated-lookup", "nohelp", options, &run,
581                           &ok);
582   if (ret != GNUNET_OK)
583   {
584     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
585                 "`test-gns-dht-delegated-lookup': Failed with error code %d\n", ret);
586   }
587   return ok;
588 }
589
590 int
591 main (int argc, char *argv[])
592 {
593   int ret;
594
595   GNUNET_log_setup ("test-gns-simple-lookup",
596 #if VERBOSE
597                     "DEBUG",
598 #else
599                     "WARNING",
600 #endif
601                     NULL);
602   ret = check ();
603   /**
604    * Need to remove base directory, subdirectories taken care
605    * of by the testing framework.
606    */
607   return ret;
608 }
609
610 /* end of test_gns_twopeer.c */