2 This file is part of GNUnet.
3 (C) 2009 Christian Grothoff (and other contributing authors)
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.
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.
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.
22 * @file namestore/gnunet-service-namestore.c
23 * @brief namestore for the GNUnet naming system
24 * @author Matthias Wachs
27 #include "gnunet_getopt_lib.h"
28 #include "gnunet_service_lib.h"
29 #include "gnunet_namestore_service.h"
30 #include "gnunet_namestore_plugin.h"
31 #include "gnunet_signatures.h"
32 #include "namestore.h"
34 #define LOG_STRERROR_FILE(kind,syscall,filename) GNUNET_log_from_strerror_file (kind, "util", syscall, filename)
37 * A namestore operation.
39 struct GNUNET_NAMESTORE_ZoneIteration
42 * Next element in the DLL
44 struct GNUNET_NAMESTORE_ZoneIteration *next;
47 * Previous element in the DLL
49 struct GNUNET_NAMESTORE_ZoneIteration *prev;
52 * Namestore client which intiated this zone iteration
54 struct GNUNET_NAMESTORE_Client *client;
57 * GNUNET_YES if we iterate over a specific zone
58 * GNUNET_NO if we iterate over all zones
63 * Hash of the specific zone if 'has_zone' is GNUNET_YES,
64 * othwerwise set to '\0'
66 struct GNUNET_CRYPTO_ShortHashCode zone;
69 * The operation id fot the zone iteration in the response for the client
74 * Offset of the zone iteration used to address next result of the zone
75 * iteration in the store
77 * Initialy set to 0 in handle_iteration_start
78 * Incremented with by every call to handle_iteration_next
84 * Which flags must be included
86 uint16_t must_have_flags;
89 * Which flags must not be included
91 uint16_t must_not_have_flags;
98 struct GNUNET_NAMESTORE_Client
101 * Next element in the DLL
103 struct GNUNET_NAMESTORE_Client *next;
106 * Previous element in the DLL
108 struct GNUNET_NAMESTORE_Client *prev;
113 struct GNUNET_SERVER_Client *client;
117 * Zone iteration operations in progress initiated by this client
119 struct GNUNET_NAMESTORE_ZoneIteration *op_head;
123 * Zone iteration operations in progress initiated by this client
125 struct GNUNET_NAMESTORE_ZoneIteration *op_tail;
130 * A container struct to store information belonging to a zone crypto key pair
132 struct GNUNET_NAMESTORE_CryptoContainer
135 * Filename where to store the container
140 * Short hash of the zone's public key
142 struct GNUNET_CRYPTO_ShortHashCode zone;
147 struct GNUNET_CRYPTO_RsaPrivateKey *privkey;
152 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *pubkey;
157 * Configuration handle.
159 const struct GNUNET_CONFIGURATION_Handle *GSN_cfg;
164 struct GNUNET_NAMESTORE_PluginFunctions *GSN_database;
169 static char *zonefile_directory;
172 * Name of the database plugin
174 static char *db_lib_name;
178 * Our notification context.
180 static struct GNUNET_SERVER_NotificationContext *snc;
183 * Head of the Client DLL
185 static struct GNUNET_NAMESTORE_Client *client_head;
188 * Tail of the Client DLL
190 static struct GNUNET_NAMESTORE_Client *client_tail;
193 * Hashmap containing the zone keys this namestore has is authoritative for
195 * Keys are the GNUNET_CRYPTO_HashCode of the GNUNET_CRYPTO_ShortHashCode
196 * The values are 'struct GNUNET_NAMESTORE_CryptoContainer *'
198 struct GNUNET_CONTAINER_MultiHashMap *zonekeys;
202 * Write zonefile to disk
203 * @param filename where to write
204 * @param c the crypto container
206 * @return GNUNET_OK on success, GNUNET_SYSERR on fail
210 write_key_to_file (const char *filename, struct GNUNET_NAMESTORE_CryptoContainer *c)
212 struct GNUNET_CRYPTO_RsaPrivateKey *ret = c->privkey;
213 struct GNUNET_CRYPTO_RsaPrivateKeyBinaryEncoded *enc;
214 struct GNUNET_DISK_FileHandle *fd;
216 if (GNUNET_YES == GNUNET_DISK_file_test (filename))
218 struct GNUNET_CRYPTO_ShortHashCode zone;
219 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pubkey;
220 struct GNUNET_CRYPTO_RsaPrivateKey *privkey;
222 privkey = GNUNET_CRYPTO_rsa_key_create_from_file(filename);
225 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
226 _("File zone `%s' but corrupt content already exists, failed to write! \n"), GNUNET_short_h2s (&zone));
227 return GNUNET_SYSERR;
230 GNUNET_CRYPTO_rsa_key_get_public (privkey, &pubkey);
231 GNUNET_CRYPTO_short_hash (&pubkey, sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), &zone);
232 GNUNET_CRYPTO_rsa_key_free (privkey);
234 if (0 == memcmp (&zone, &c->zone, sizeof(zone)))
236 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
237 _("File zone `%s' containing this key already exists\n"), GNUNET_short_h2s (&zone));
242 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
243 _("File zone `%s' but different zone key already exists, failed to write! \n"), GNUNET_short_h2s (&zone));
247 fd = GNUNET_DISK_file_open (filename, GNUNET_DISK_OPEN_WRITE | GNUNET_DISK_OPEN_CREATE | GNUNET_DISK_OPEN_FAILIFEXISTS, GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE);
252 if (GNUNET_YES != GNUNET_DISK_file_test (filename))
254 /* must exist but not be accessible, fail for good! */
255 if (0 != ACCESS (filename, R_OK))
256 LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_ERROR, "access", filename);
258 GNUNET_break (0); /* what is going on!? */
259 return GNUNET_SYSERR;
262 LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_ERROR, "open", filename);
263 return GNUNET_SYSERR;
266 if (GNUNET_YES != GNUNET_DISK_file_lock (fd, 0, sizeof (struct GNUNET_CRYPTO_RsaPrivateKeyBinaryEncoded), GNUNET_YES))
268 GNUNET_assert (GNUNET_YES == GNUNET_DISK_file_close (fd));
269 return GNUNET_SYSERR;
271 enc = GNUNET_CRYPTO_rsa_encode_key (ret);
272 GNUNET_assert (enc != NULL);
273 GNUNET_assert (ntohs (enc->len) == GNUNET_DISK_file_write (fd, enc, ntohs (enc->len)));
275 GNUNET_DISK_file_sync (fd);
276 if (GNUNET_YES != GNUNET_DISK_file_unlock (fd, 0, sizeof (struct GNUNET_CRYPTO_RsaPrivateKeyBinaryEncoded)))
277 LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING, "fcntl", filename);
278 GNUNET_assert (GNUNET_YES == GNUNET_DISK_file_close (fd));
280 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
281 _("Stored zonekey for zone `%s' in file `%s'\n"), GNUNET_short_h2s(&c->zone), c->filename);
286 zone_to_disk_it (void *cls,
287 const struct GNUNET_HashCode *key,
290 struct GNUNET_NAMESTORE_CryptoContainer *c = value;
291 if (c->filename != NULL)
292 write_key_to_file(c->filename, c);
295 GNUNET_asprintf(&c->filename, "%s/%s.zkey", zonefile_directory, GNUNET_short_h2s (&c->zone));
296 write_key_to_file(c->filename, c);
300 GNUNET_assert (GNUNET_OK == GNUNET_CONTAINER_multihashmap_remove (zonekeys, key, value));
301 GNUNET_CRYPTO_rsa_key_free (c->privkey);
302 GNUNET_free (c->pubkey);
303 GNUNET_free (c->filename);
310 struct GNUNET_TIME_Absolute
311 get_block_expiration_time (unsigned int rd_count, const struct GNUNET_NAMESTORE_RecordData *rd)
314 struct GNUNET_TIME_Absolute expire = GNUNET_TIME_UNIT_FOREVER_ABS;
315 struct GNUNET_TIME_Absolute at;
316 struct GNUNET_TIME_Relative rt;
319 return GNUNET_TIME_UNIT_ZERO_ABS;
320 for (c = 0; c < rd_count; c++)
322 if (0 != (rd[c].flags & GNUNET_NAMESTORE_RF_RELATIVE_EXPIRATION))
324 rt.rel_value = rd[c].expiration_time;
325 at = GNUNET_TIME_relative_to_absolute (rt);
329 at.abs_value = rd[c].expiration_time;
331 expire = GNUNET_TIME_absolute_min (at, expire);
337 * Task run during shutdown.
343 cleanup_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
345 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopping namestore service\n");
346 struct GNUNET_NAMESTORE_ZoneIteration *no;
347 struct GNUNET_NAMESTORE_ZoneIteration *tmp;
348 struct GNUNET_NAMESTORE_Client *nc;
349 struct GNUNET_NAMESTORE_Client *next;
353 GNUNET_SERVER_notification_context_destroy (snc);
356 GNUNET_CONTAINER_multihashmap_iterate(zonekeys, &zone_to_disk_it, NULL);
357 GNUNET_CONTAINER_multihashmap_destroy(zonekeys);
359 for (nc = client_head; nc != NULL; nc = next)
362 for (no = nc->op_head; no != NULL; no = tmp)
364 GNUNET_CONTAINER_DLL_remove (nc->op_head, nc->op_tail, no);
368 GNUNET_SERVER_client_drop(nc->client);
369 GNUNET_CONTAINER_DLL_remove (client_head, client_tail, nc);
373 GNUNET_break (NULL == GNUNET_PLUGIN_unload (db_lib_name, GSN_database));
374 GNUNET_free (db_lib_name);
375 GNUNET_free_non_null(zonefile_directory);
378 static struct GNUNET_NAMESTORE_Client *
379 client_lookup (struct GNUNET_SERVER_Client *client)
381 struct GNUNET_NAMESTORE_Client *nc;
383 GNUNET_assert (NULL != client);
385 for (nc = client_head; nc != NULL; nc = nc->next)
387 if (client == nc->client)
394 * Called whenever a client is disconnected. Frees our
395 * resources associated with that client.
398 * @param client identification of the client
401 client_disconnect_notification (void *cls, struct GNUNET_SERVER_Client *client)
403 struct GNUNET_NAMESTORE_ZoneIteration *no;
404 struct GNUNET_NAMESTORE_Client *nc;
408 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Client %p disconnected \n", client);
410 nc = client_lookup (client);
412 if ((NULL == client) || (NULL == nc))
418 GNUNET_CONTAINER_DLL_remove (nc->op_head, nc->op_tail, no);
423 GNUNET_SERVER_client_drop(nc->client);
424 GNUNET_CONTAINER_DLL_remove (client_head, client_tail, nc);
432 handle_start (void *cls,
433 struct GNUNET_SERVER_Client *client,
434 const struct GNUNET_MessageHeader *message)
436 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Client %p connected\n", client);
438 struct GNUNET_NAMESTORE_Client *nc = GNUNET_malloc (sizeof (struct GNUNET_NAMESTORE_Client));
440 GNUNET_SERVER_notification_context_add (snc, client);
441 GNUNET_CONTAINER_DLL_insert(client_head, client_tail, nc);
442 GNUNET_SERVER_client_keep (client);
443 GNUNET_SERVER_receive_done (client, GNUNET_OK);
447 struct LookupNameContext
450 struct GNUNET_NAMESTORE_Client *nc;
452 uint32_t record_type;
453 struct GNUNET_CRYPTO_ShortHashCode *zone;
458 drop_iterator (void *cls,
459 const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *zone_key,
460 struct GNUNET_TIME_Absolute expire,
463 const struct GNUNET_NAMESTORE_RecordData *rd,
464 const struct GNUNET_CRYPTO_RsaSignature *signature)
466 struct GNUNET_CRYPTO_ShortHashCode zone_hash;
468 if (NULL != zone_key)
470 GNUNET_CRYPTO_short_hash(zone_key, sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), &zone_hash);
471 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Deleting zone `%s'\n", GNUNET_short_h2s (&zone_hash));
472 GSN_database->delete_zone (GSN_database->cls, &zone_hash);
476 (*stop) = GNUNET_YES;
482 handle_lookup_name_it (void *cls,
483 const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *zone_key,
484 struct GNUNET_TIME_Absolute expire,
486 unsigned int rd_count,
487 const struct GNUNET_NAMESTORE_RecordData *rd,
488 const struct GNUNET_CRYPTO_RsaSignature *signature)
491 struct LookupNameContext *lnc = cls;
492 struct LookupNameResponseMessage *lnr_msg;
493 struct GNUNET_NAMESTORE_RecordData *rd_selected = NULL;
494 struct GNUNET_NAMESTORE_CryptoContainer *cc;
495 struct GNUNET_CRYPTO_RsaSignature *signature_new = NULL;
496 struct GNUNET_TIME_Absolute e;
497 struct GNUNET_CRYPTO_ShortHashCode zone_key_hash;
498 struct GNUNET_HashCode long_hash;
505 int copied_elements = 0;
506 int contains_signature = GNUNET_NO;
507 int authoritative = GNUNET_NO;
511 name_len = strlen(name) + 1;
513 /* count records to copy */
516 if (lnc->record_type != 0)
518 /* special record type needed */
519 for (c = 0; c < rd_count; c ++)
520 if (rd[c].record_type == lnc->record_type)
521 copied_elements++; /* found matching record */
522 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found %u records with type %u for name `%s' in zone `%s'\n",
523 copied_elements, lnc->record_type, lnc->name, GNUNET_short_h2s(lnc->zone));
524 rd_selected = GNUNET_malloc (copied_elements * sizeof (struct GNUNET_NAMESTORE_RecordData));
526 for (c = 0; c < rd_count; c ++)
528 if (rd[c].record_type == lnc->record_type)
530 /* found matching record */
531 memcpy (&rd_selected[copied_elements], &rd[c], sizeof (struct GNUNET_NAMESTORE_RecordData));
538 copied_elements = rd_count;
539 rd_selected = (struct GNUNET_NAMESTORE_RecordData *) rd;
547 expire = GNUNET_TIME_UNIT_ZERO_ABS;
550 rd_ser_len = GNUNET_NAMESTORE_records_get_size(copied_elements, rd_selected);
551 char rd_ser[rd_ser_len];
552 GNUNET_NAMESTORE_records_serialize(copied_elements, rd_selected, rd_ser_len, rd_ser);
554 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found %u records for name `%s' in zone `%s'\n",
555 copied_elements, lnc->name, GNUNET_short_h2s(lnc->zone));
557 if ((copied_elements == rd_count) && (NULL != signature))
558 contains_signature = GNUNET_YES; /* returning all records, so include signature */
560 contains_signature = GNUNET_NO; /* returning not all records, so do not include signature */
563 if ((NULL != zone_key) && (copied_elements == rd_count))
565 GNUNET_CRYPTO_short_hash(zone_key, sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), &zone_key_hash);
566 GNUNET_CRYPTO_short_hash_double (&zone_key_hash, &long_hash);
567 if (GNUNET_CONTAINER_multihashmap_contains(zonekeys, &long_hash))
569 cc = GNUNET_CONTAINER_multihashmap_get(zonekeys, &long_hash);
570 e = get_block_expiration_time(rd_count, rd);
571 signature_new = GNUNET_NAMESTORE_create_signature(cc->privkey, e, name, rd, rd_count);
572 GNUNET_assert (signature_new != NULL);
573 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Creating signature for name `%s' with %u records in zone `%s'\n",name, copied_elements, GNUNET_short_h2s(&zone_key_hash));
574 authoritative = GNUNET_YES;
577 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "I am not authoritative for name `%s' in zone `%s'\n",name, GNUNET_short_h2s(&zone_key_hash));
580 r_size = sizeof (struct LookupNameResponseMessage) +
581 sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded) +
585 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending `%s' message\n", "NAMESTORE_LOOKUP_NAME_RESPONSE");
586 lnr_msg = GNUNET_malloc (r_size);
587 lnr_msg->gns_header.header.type = ntohs (GNUNET_MESSAGE_TYPE_NAMESTORE_LOOKUP_NAME_RESPONSE);
588 lnr_msg->gns_header.header.size = ntohs (r_size);
589 lnr_msg->gns_header.r_id = htonl (lnc->request_id);
590 lnr_msg->rd_count = htons (copied_elements);
591 lnr_msg->rd_len = htons (rd_ser_len);
592 lnr_msg->name_len = htons (name_len);
593 lnr_msg->expire = GNUNET_TIME_absolute_hton(get_block_expiration_time(copied_elements, rd_selected));
595 if (rd_selected != rd)
596 GNUNET_free (rd_selected);
598 if (zone_key != NULL)
599 lnr_msg->public_key = (*zone_key);
601 memset(&lnr_msg->public_key, '\0', sizeof (lnr_msg->public_key));
603 if (GNUNET_YES == authoritative)
604 { /* use new created signature */
605 lnr_msg->contains_sig = htons (GNUNET_YES);
606 GNUNET_assert (signature_new != NULL);
607 lnr_msg->signature = *signature_new;
608 GNUNET_free (signature_new);
610 else if (GNUNET_YES == contains_signature)
612 /* use existing signature */
613 lnr_msg->contains_sig = htons (GNUNET_YES);
614 GNUNET_assert (signature != NULL);
615 lnr_msg->signature = *signature;
619 /* use no signature */
620 memset (&lnr_msg->signature, '\0', sizeof (lnr_msg->signature));
623 name_tmp = (char *) &lnr_msg[1];
624 rd_tmp = &name_tmp[name_len];
626 memcpy (name_tmp, name, name_len);
627 memcpy (rd_tmp, rd_ser, rd_ser_len);
629 GNUNET_SERVER_notification_context_unicast (snc, lnc->nc->client, (const struct GNUNET_MessageHeader *) lnr_msg, GNUNET_NO);
630 GNUNET_free (lnr_msg);
634 handle_lookup_name (void *cls,
635 struct GNUNET_SERVER_Client *client,
636 const struct GNUNET_MessageHeader *message)
638 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "NAMESTORE_LOOKUP_NAME");
639 struct LookupNameContext lnc;
640 struct GNUNET_NAMESTORE_Client *nc;
646 if (ntohs (message->size) < sizeof (struct LookupNameMessage))
649 GNUNET_SERVER_receive_done (client, GNUNET_OK);
653 nc = client_lookup(client);
657 GNUNET_SERVER_receive_done (client, GNUNET_OK);
661 struct LookupNameMessage *ln_msg = (struct LookupNameMessage *) message;
662 rid = ntohl (ln_msg->gns_header.r_id);
663 name_len = ntohl (ln_msg->name_len);
664 type = ntohl (ln_msg->record_type);
666 if ((name_len == 0) || (name_len > 256))
669 GNUNET_SERVER_receive_done (client, GNUNET_OK);
673 name = (char *) &ln_msg[1];
674 if (name[name_len -1] != '\0')
677 GNUNET_SERVER_receive_done (client, GNUNET_OK);
682 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Looking up all records for name `%s' in zone `%s'\n", name, GNUNET_short_h2s(&ln_msg->zone));
684 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Looking up records with type %u for name `%s' in zone `%s'\n", type, name, GNUNET_short_h2s(&ln_msg->zone));
686 /* do the actual lookup */
687 lnc.request_id = rid;
689 lnc.record_type = type;
691 lnc.zone = &ln_msg->zone;
692 GSN_database->iterate_records(GSN_database->cls, &ln_msg->zone, name, 0, &handle_lookup_name_it, &lnc);
694 GNUNET_SERVER_receive_done (client, GNUNET_OK);
698 handle_record_put (void *cls,
699 struct GNUNET_SERVER_Client *client,
700 const struct GNUNET_MessageHeader *message)
702 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "NAMESTORE_RECORD_PUT");
703 struct GNUNET_NAMESTORE_Client *nc;
704 struct GNUNET_TIME_Absolute expire;
705 struct GNUNET_CRYPTO_RsaSignature *signature;
706 struct RecordPutResponseMessage rpr_msg;
715 int res = GNUNET_SYSERR;
717 if (ntohs (message->size) < sizeof (struct RecordPutMessage))
720 GNUNET_SERVER_receive_done (client, GNUNET_OK);
724 nc = client_lookup (client);
728 GNUNET_SERVER_receive_done (client, GNUNET_OK);
732 struct RecordPutMessage *rp_msg = (struct RecordPutMessage *) message;
734 rid = ntohl (rp_msg->gns_header.r_id);
735 msg_size = ntohs (rp_msg->gns_header.header.size);
736 name_len = ntohs (rp_msg->name_len);
737 rd_count = ntohs (rp_msg->rd_count);
738 rd_ser_len = ntohs(rp_msg->rd_len);
740 if (msg_size > GNUNET_SERVER_MAX_MESSAGE_SIZE)
743 GNUNET_SERVER_receive_done (client, GNUNET_OK);
747 if ((rd_count < 1) || (rd_ser_len < 1) || (name_len >=256) || (name_len == 0))
750 GNUNET_SERVER_receive_done (client, GNUNET_OK);
754 msg_size_exp = sizeof (struct RecordPutMessage) + name_len + rd_ser_len;
755 if (msg_size != msg_size_exp)
757 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Expected message %u size but message size is %u \n", msg_size_exp, msg_size);
759 GNUNET_SERVER_receive_done (client, GNUNET_OK);
762 if ((name_len == 0) || (name_len > 256))
765 GNUNET_SERVER_receive_done (client, GNUNET_OK);
769 name = (char *) &rp_msg[1];
771 if (name[name_len -1] != '\0')
774 GNUNET_SERVER_receive_done (client, GNUNET_OK);
778 expire = GNUNET_TIME_absolute_ntoh(rp_msg->expire);
779 signature = (struct GNUNET_CRYPTO_RsaSignature *) &rp_msg->signature;
781 rd_ser = &name[name_len];
782 struct GNUNET_NAMESTORE_RecordData rd[rd_count];
783 res = GNUNET_NAMESTORE_records_deserialize(rd_ser_len, rd_ser, rd_count, rd);
784 if (res != GNUNET_OK)
790 struct GNUNET_CRYPTO_ShortHashCode zone_hash;
791 GNUNET_CRYPTO_short_hash (&rp_msg->public_key, sizeof (rp_msg->public_key), &zone_hash);
793 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Putting %u record for name `%s' in zone `%s'\n", rd_count, name, GNUNET_short_h2s(&zone_hash));
795 /* Database operation */
796 res = GSN_database->put_records(GSN_database->cls,
803 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Putting record for name `%s': %s\n",
804 name, (res == GNUNET_OK) ? "OK" : "FAIL");
808 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending `%s' message\n", "RECORD_PUT_RESPONSE");
809 rpr_msg.gns_header.header.type = htons (GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_PUT_RESPONSE);
810 rpr_msg.gns_header.header.size = htons (sizeof (struct RecordPutResponseMessage));
811 rpr_msg.gns_header.r_id = htonl (rid);
812 rpr_msg.op_result = htonl (res);
813 GNUNET_SERVER_notification_context_unicast (snc, nc->client, (const struct GNUNET_MessageHeader *) &rpr_msg, GNUNET_NO);
815 GNUNET_SERVER_receive_done (client, GNUNET_OK);
818 struct CreateRecordContext
820 struct GNUNET_NAMESTORE_RecordData *rd;
821 struct GNUNET_CRYPTO_RsaPrivateKey *pkey;
822 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *pubkey;
823 struct GNUNET_TIME_Absolute expire;
830 handle_create_record_it (void *cls,
831 const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *pubkey,
832 struct GNUNET_TIME_Absolute expire,
834 unsigned int rd_count,
835 const struct GNUNET_NAMESTORE_RecordData *rd,
836 const struct GNUNET_CRYPTO_RsaSignature *signature)
838 struct CreateRecordContext *crc = cls;
839 struct GNUNET_NAMESTORE_RecordData *rd_new = NULL;
840 struct GNUNET_CRYPTO_RsaSignature dummy_signature;
841 struct GNUNET_TIME_Absolute block_expiration;
843 int exist = GNUNET_SYSERR;
844 int update = GNUNET_NO;
846 int rd_count_new = 0;
848 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found %u existing records for `%s'\n", rd_count, crc->name);
849 for (c = 0; c < rd_count; c++)
851 if ( (crc->rd->record_type == GNUNET_NAMESTORE_TYPE_PKEY) &&
852 (rd[c].record_type == GNUNET_NAMESTORE_TYPE_PKEY))
854 /* Update unique PKEY */
859 if ( (crc->rd->record_type == GNUNET_NAMESTORE_TYPE_PSEU) &&
860 (rd[c].record_type == GNUNET_NAMESTORE_TYPE_PSEU))
862 /* Update unique PSEU */
867 if ((crc->rd->record_type == rd[c].record_type) &&
868 (crc->rd->data_size == rd[c].data_size) &&
869 (0 == memcmp (crc->rd->data, rd[c].data, rd[c].data_size)))
871 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
872 "Found existing records for `%s' to update expiration date!\n",
875 if ( (crc->rd->expiration_time != rd[c].expiration_time) &&
876 ((crc->rd->flags & GNUNET_NAMESTORE_RF_RELATIVE_EXPIRATION)
877 == (rd[c].flags & GNUNET_NAMESTORE_RF_RELATIVE_EXPIRATION) ) )
883 if (exist == GNUNET_SYSERR)
885 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
886 "No existing record for name `%s'!\n",
888 rd_new = GNUNET_malloc ((rd_count+1) * sizeof (struct GNUNET_NAMESTORE_RecordData));
889 memcpy (rd_new, rd, rd_count * sizeof (struct GNUNET_NAMESTORE_RecordData));
890 rd_count_new = rd_count + 1;
891 rd_new[rd_count] = *(crc->rd);
893 else if (update == GNUNET_NO)
895 /* Exact same record already exists */
896 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
897 "Matching record for %s' exists, no change required!\n",
905 GNUNET_assert (GNUNET_YES == update);
906 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
907 "Updating existing records for `%s'!\n",
909 rd_new = GNUNET_malloc ((rd_count) * sizeof (struct GNUNET_NAMESTORE_RecordData));
910 memcpy (rd_new, rd, rd_count * sizeof (struct GNUNET_NAMESTORE_RecordData));
911 rd_count_new = rd_count;
912 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
913 (0 == (crc->rd->flags & GNUNET_NAMESTORE_RF_RELATIVE_EXPIRATION))
914 ? "Updating absolute expiration from %llu to %llu!\n"
915 : "Updating relative expiration from %llu to %llu!\n",
916 rd_new[exist].expiration_time, crc->rd->expiration_time);
917 rd_new[exist] = *(crc->rd);
920 block_expiration = GNUNET_TIME_absolute_max(crc->expire, expire);
921 if (block_expiration.abs_value != expire.abs_value)
922 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
923 "Updated block expiration time\n");
925 memset (&dummy_signature, '\0', sizeof (dummy_signature));
927 /* Database operation */
928 GNUNET_assert ((rd_new != NULL) && (rd_count_new > 0));
929 res = GSN_database->put_records(GSN_database->cls,
930 (const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *) crc->pubkey,
933 rd_count_new, rd_new,
935 GNUNET_break (GNUNET_OK == res);
936 if (res == GNUNET_OK)
937 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Successfully put record for `%s' in database \n", crc->name);
939 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Failed to put record for `%s' in database \n", crc->name);
943 GNUNET_free_non_null (rd_new);
947 /* failed to create the record */
948 crc->res = GNUNET_SYSERR;
951 /* database operations OK */
952 if (GNUNET_YES == update)
954 /* we updated an existing record */
955 crc->res = GNUNET_NO;
959 /* we created a new record */
960 crc->res = GNUNET_YES;
964 /* identical entry existed, so we did nothing */
965 crc->res = GNUNET_NO;
971 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Update result for name `%s' %u\n", crc->name, res);
976 handle_record_create (void *cls,
977 struct GNUNET_SERVER_Client *client,
978 const struct GNUNET_MessageHeader *message)
980 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "NAMESTORE_RECORD_CREATE");
981 struct GNUNET_NAMESTORE_Client *nc;
982 struct GNUNET_NAMESTORE_CryptoContainer *cc;
983 struct CreateRecordContext crc;
984 struct GNUNET_CRYPTO_RsaPrivateKey *pkey;
985 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pub;
986 struct RecordCreateResponseMessage rcr_msg;
987 struct GNUNET_CRYPTO_ShortHashCode pubkey_hash;
988 struct GNUNET_HashCode long_hash;
1000 int res = GNUNET_SYSERR;
1001 crc.res = GNUNET_SYSERR;
1003 if (ntohs (message->size) < sizeof (struct RecordCreateMessage))
1005 GNUNET_break_op (0);
1006 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1010 nc = client_lookup(client);
1013 GNUNET_break_op (0);
1014 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1018 struct RecordCreateMessage *rp_msg = (struct RecordCreateMessage *) message;
1019 rid = ntohl (rp_msg->gns_header.r_id);
1020 name_len = ntohs (rp_msg->name_len);
1021 msg_size = ntohs (message->size);
1022 rd_count = ntohs (rp_msg->rd_count);
1023 rd_ser_len = ntohs (rp_msg->rd_len);
1024 key_len = ntohs (rp_msg->pkey_len);
1025 msg_size_exp = sizeof (struct RecordCreateMessage) + key_len + name_len + rd_ser_len;
1027 if (msg_size != msg_size_exp)
1029 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Expected message %u size but message size is %u \n", msg_size_exp, msg_size);
1030 GNUNET_break_op (0);
1031 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1035 if ((name_len == 0) || (name_len > 256))
1037 GNUNET_break_op (0);
1038 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1042 pkey_tmp = (char *) &rp_msg[1];
1043 name_tmp = &pkey_tmp[key_len];
1044 rd_ser = &name_tmp[name_len];
1046 if (name_tmp[name_len -1] != '\0')
1048 GNUNET_break_op (0);
1049 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1053 struct GNUNET_NAMESTORE_RecordData rd[rd_count];
1055 res = GNUNET_NAMESTORE_records_deserialize(rd_ser_len, rd_ser, rd_count, rd);
1056 if ((res != GNUNET_OK) || (rd_count != 1))
1058 GNUNET_break_op (0);
1061 /* Extracting and converting private key */
1062 pkey = GNUNET_CRYPTO_rsa_decode_key((char *) pkey_tmp, key_len);
1063 GNUNET_assert (pkey != NULL);
1064 GNUNET_CRYPTO_rsa_key_get_public(pkey, &pub);
1065 GNUNET_CRYPTO_short_hash (&pub, sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), &pubkey_hash);
1066 GNUNET_CRYPTO_short_hash_double (&pubkey_hash, &long_hash);
1068 if (GNUNET_NO == GNUNET_CONTAINER_multihashmap_contains(zonekeys, &long_hash))
1070 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received new private key for zone `%s'\n",GNUNET_short_h2s(&pubkey_hash));
1072 cc = GNUNET_malloc (sizeof (struct GNUNET_NAMESTORE_CryptoContainer));
1073 cc->privkey = GNUNET_CRYPTO_rsa_decode_key((char *) pkey_tmp, key_len);
1074 cc->pubkey = GNUNET_malloc(sizeof (pub));
1075 memcpy (cc->pubkey, &pub, sizeof(pub));
1076 cc->zone = pubkey_hash;
1077 GNUNET_CONTAINER_multihashmap_put(zonekeys, &long_hash, cc, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
1080 crc.expire = GNUNET_TIME_absolute_ntoh(rp_msg->expire);
1081 crc.res = GNUNET_SYSERR;
1085 crc.name = name_tmp;
1087 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Creating record for name `%s' in zone `%s'\n", name_tmp, GNUNET_short_h2s(&pubkey_hash));
1089 /* Get existing records for name */
1090 res = GSN_database->iterate_records(GSN_database->cls, &pubkey_hash, name_tmp, 0, &handle_create_record_it, &crc);
1091 if (res != GNUNET_SYSERR)
1093 GNUNET_CRYPTO_rsa_key_free(pkey);
1098 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending `%s' message\n", "RECORD_CREATE_RESPONSE");
1099 rcr_msg.gns_header.header.type = htons (GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_CREATE_RESPONSE);
1100 rcr_msg.gns_header.header.size = htons (sizeof (struct RecordCreateResponseMessage));
1101 rcr_msg.gns_header.r_id = htonl (rid);
1102 if ((GNUNET_OK == res) && (crc.res == GNUNET_YES))
1103 rcr_msg.op_result = htonl (GNUNET_YES);
1104 else if ((GNUNET_OK == res) && (crc.res == GNUNET_NO))
1105 rcr_msg.op_result = htonl (GNUNET_NO);
1107 rcr_msg.op_result = htonl (GNUNET_SYSERR);
1108 GNUNET_SERVER_notification_context_unicast (snc, nc->client, (const struct GNUNET_MessageHeader *) &rcr_msg, GNUNET_NO);
1110 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1114 struct RemoveRecordContext
1116 struct GNUNET_NAMESTORE_RecordData *rd;
1117 struct GNUNET_CRYPTO_RsaPrivateKey *pkey;
1123 handle_record_remove_it (void *cls,
1124 const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *zone_key,
1125 struct GNUNET_TIME_Absolute expire,
1127 unsigned int rd_count,
1128 const struct GNUNET_NAMESTORE_RecordData *rd,
1129 const struct GNUNET_CRYPTO_RsaSignature *signature)
1131 struct RemoveRecordContext *rrc = cls;
1135 unsigned int rd_count_new;
1137 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Name `%s 'currently has %u records\n", name, rd_count);
1141 /* Could not find record to remove */
1146 /* Find record to remove */
1147 found = GNUNET_SYSERR;
1148 for (c = 0; c < rd_count; c++)
1151 if (rd[c].flags != rrc->rd->flags)
1153 if (rd[c].record_type != rrc->rd->record_type)
1156 if (rd[c].data_size != rrc->rd->data_size)
1159 if (0 != memcmp (rd[c].data, rrc->rd->data, rrc->rd->data_size))
1162 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found record to remove!\n", rd_count);
1166 if (GNUNET_SYSERR == found)
1168 /* Could not find record to remove */
1173 if (rd_count-1 == 0)
1175 struct GNUNET_CRYPTO_ShortHashCode pubkey_hash;
1176 GNUNET_CRYPTO_short_hash (zone_key, sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), &pubkey_hash);
1177 res = GSN_database->remove_records (GSN_database->cls,
1180 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1181 "No records left for name `%s', removing name\n",
1183 if (GNUNET_OK != res)
1185 /* Could put records into database */
1193 rd_count_new = rd_count -1;
1194 struct GNUNET_NAMESTORE_RecordData rd_new[rd_count_new];
1196 unsigned int c2 = 0;
1197 for (c = 0; c < rd_count; c++)
1201 GNUNET_assert (c2 < rd_count_new);
1207 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Name `%s' now has %u records\n", name, rd_count_new);
1209 /* Create dummy signature */
1210 struct GNUNET_CRYPTO_RsaSignature dummy_signature;
1211 memset (&dummy_signature, '\0', sizeof (dummy_signature));
1215 res = GSN_database->put_records(GSN_database->cls,
1219 rd_count_new, rd_new,
1221 if (GNUNET_OK != res)
1223 /* Could put records into database */
1233 handle_record_remove (void *cls,
1234 struct GNUNET_SERVER_Client *client,
1235 const struct GNUNET_MessageHeader *message)
1237 struct GNUNET_NAMESTORE_Client *nc;
1238 const struct RecordRemoveMessage *rr_msg;
1239 struct RecordRemoveResponseMessage rrr_msg;
1240 struct GNUNET_CRYPTO_RsaPrivateKey *pkey;
1241 struct GNUNET_NAMESTORE_CryptoContainer *cc;
1242 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pub;
1243 struct GNUNET_CRYPTO_ShortHashCode pubkey_hash;
1244 struct GNUNET_HashCode long_hash;
1245 const char *pkey_tmp;
1246 const char *name_tmp;
1252 size_t msg_size_exp = 0;
1256 int res = GNUNET_SYSERR;
1258 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "NAMESTORE_RECORD_REMOVE");
1259 if (ntohs (message->size) < sizeof (struct RecordRemoveMessage))
1261 GNUNET_break_op (0);
1262 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1266 nc = client_lookup(client);
1269 GNUNET_break_op (0);
1270 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1274 rr_msg = (const struct RecordRemoveMessage *) message;
1275 rid = ntohl (rr_msg->gns_header.r_id);
1276 name_len = ntohs (rr_msg->name_len);
1277 rd_ser_len = ntohs (rr_msg->rd_len);
1278 rd_count = ntohs (rr_msg->rd_count);
1279 key_len = ntohs (rr_msg->pkey_len);
1280 msg_size = ntohs (message->size);
1282 if (msg_size > GNUNET_SERVER_MAX_MESSAGE_SIZE)
1284 GNUNET_break_op (0);
1285 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1289 if ((name_len >=256) || (name_len == 0))
1291 GNUNET_break_op (0);
1292 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1296 msg_size_exp = sizeof (struct RecordRemoveMessage) + key_len + name_len + rd_ser_len;
1297 if (msg_size != msg_size_exp)
1299 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Expected message %u size but message size is %u \n", msg_size_exp, msg_size);
1300 GNUNET_break_op (0);
1301 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1305 pkey_tmp = (const char *) &rr_msg[1];
1306 name_tmp = &pkey_tmp[key_len];
1307 rd_ser = &name_tmp[name_len];
1310 if ((name_len == 0) || (name_len > 256))
1312 GNUNET_break_op (0);
1313 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1317 if (name_tmp[name_len -1] != '\0')
1319 GNUNET_break_op (0);
1320 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1324 /* Extracting and converting private key */
1325 pkey = GNUNET_CRYPTO_rsa_decode_key((char *) pkey_tmp, key_len);
1326 GNUNET_assert (pkey != NULL);
1327 GNUNET_CRYPTO_rsa_key_get_public(pkey, &pub);
1328 GNUNET_CRYPTO_short_hash (&pub, sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), &pubkey_hash);
1329 GNUNET_CRYPTO_short_hash_double (&pubkey_hash, &long_hash);
1331 if (GNUNET_NO == GNUNET_CONTAINER_multihashmap_contains(zonekeys, &long_hash))
1333 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1334 "Received new private key for zone `%s'\n",
1335 GNUNET_short_h2s(&pubkey_hash));
1336 cc = GNUNET_malloc (sizeof (struct GNUNET_NAMESTORE_CryptoContainer));
1337 cc->privkey = GNUNET_CRYPTO_rsa_decode_key((char *) pkey_tmp, key_len);
1338 cc->pubkey = GNUNET_malloc(sizeof (pub));
1339 memcpy (cc->pubkey, &pub, sizeof(pub));
1340 cc->zone = pubkey_hash;
1342 GNUNET_CONTAINER_multihashmap_put(zonekeys, &long_hash, cc, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
1346 struct GNUNET_NAMESTORE_RecordData rd[rd_count];
1347 res = GNUNET_NAMESTORE_records_deserialize(rd_ser_len, rd_ser, rd_count, rd);
1348 if ((res != GNUNET_OK) || (rd_count > 1))
1350 GNUNET_break_op (0);
1356 /* remove the whole name and all records */
1357 /* Database operation */
1358 res = GSN_database->remove_records (GSN_database->cls,
1361 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Removing name `%s': %s\n",
1362 name_tmp, (GNUNET_OK == res) ? "OK" : "FAIL");
1364 if (GNUNET_OK != res)
1365 /* Could not remove entry from database */
1372 /* remove a single record */
1373 struct RemoveRecordContext rrc;
1377 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Removing record for name `%s' in zone `%s'\n", name_tmp, GNUNET_short_h2s(&pubkey_hash));
1379 /* Database operation */
1380 res = GSN_database->iterate_records (GSN_database->cls,
1384 handle_record_remove_it, &rrc);
1386 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Removing record for name `%s': %s\n",
1387 name_tmp, (rrc.op_res == 0) ? "OK" : "FAIL");
1392 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending `%s' message\n", "RECORD_REMOVE_RESPONSE");
1393 rrr_msg.gns_header.header.type = htons (GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_REMOVE_RESPONSE);
1394 rrr_msg.gns_header.header.size = htons (sizeof (struct RecordRemoveResponseMessage));
1395 rrr_msg.gns_header.r_id = htonl (rid);
1396 rrr_msg.op_result = htonl (res);
1397 GNUNET_SERVER_notification_context_unicast (snc, nc->client, (const struct GNUNET_MessageHeader *) &rrr_msg, GNUNET_NO);
1399 GNUNET_CRYPTO_rsa_key_free (pkey);
1401 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1405 struct ZoneToNameCtx
1407 struct GNUNET_NAMESTORE_Client *nc;
1412 handle_zone_to_name_it (void *cls,
1413 const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *zone_key,
1414 struct GNUNET_TIME_Absolute expire,
1416 unsigned int rd_count,
1417 const struct GNUNET_NAMESTORE_RecordData *rd,
1418 const struct GNUNET_CRYPTO_RsaSignature *signature)
1420 struct ZoneToNameCtx *ztn_ctx = cls;
1421 struct ZoneToNameResponseMessage *ztnr_msg;
1422 int16_t res = GNUNET_SYSERR;
1423 uint16_t name_len = 0;
1424 uint16_t rd_ser_len = 0 ;
1425 int32_t contains_sig = 0;
1426 size_t msg_size = 0;
1428 char *rd_ser = NULL;
1433 if ((zone_key != NULL) && (name != NULL))
1436 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found results: name is `%s', has %u records\n", name, rd_count);
1438 name_len = strlen (name) +1;
1442 /* no result found */
1443 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found no results\n");
1450 rd_ser_len = GNUNET_NAMESTORE_records_get_size (rd_count, rd);
1451 rd_ser = GNUNET_malloc (rd_ser_len);
1452 GNUNET_NAMESTORE_records_serialize(rd_count, rd, rd_ser_len, rd_ser);
1457 if (signature != NULL)
1458 contains_sig = GNUNET_YES;
1460 contains_sig = GNUNET_NO;
1464 msg_size = sizeof (struct ZoneToNameResponseMessage) + name_len + rd_ser_len + contains_sig * sizeof (struct GNUNET_CRYPTO_RsaSignature);
1465 ztnr_msg = GNUNET_malloc (msg_size);
1467 name_tmp = (char *) &ztnr_msg[1];
1468 rd_tmp = &name_tmp[name_len];
1469 sig_tmp = &rd_tmp[rd_ser_len];
1471 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending `%s' message\n", "ZONE_TO_NAME_RESPONSE");
1472 ztnr_msg->gns_header.header.type = htons (GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_TO_NAME_RESPONSE);
1473 ztnr_msg->gns_header.header.size = htons (msg_size);
1474 ztnr_msg->gns_header.r_id = htonl (ztn_ctx->rid);
1475 ztnr_msg->res = htons (res);
1476 ztnr_msg->rd_len = htons (rd_ser_len);
1477 ztnr_msg->rd_count = htons (rd_count);
1478 ztnr_msg->name_len = htons (name_len);
1479 ztnr_msg->expire = GNUNET_TIME_absolute_hton(expire);
1480 if (zone_key != NULL)
1481 ztnr_msg->zone_key = *zone_key;
1483 memset (&ztnr_msg->zone_key, '\0', sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded));
1485 if ((name_len > 0) && (name != NULL))
1486 memcpy (name_tmp, name, name_len);
1488 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Name is `%s', has %u records, rd ser len %u msg_size %u\n", name, rd_count, rd_ser_len, msg_size);
1489 if ((rd_ser_len > 0) && (rd_ser != NULL))
1490 memcpy (rd_tmp, rd_ser, rd_ser_len);
1491 if ((GNUNET_YES == contains_sig) && (signature != NULL))
1492 memcpy (sig_tmp, signature, contains_sig * sizeof (struct GNUNET_CRYPTO_RsaSignature));
1494 GNUNET_SERVER_notification_context_unicast (snc, ztn_ctx->nc->client, (const struct GNUNET_MessageHeader *) ztnr_msg, GNUNET_NO);
1495 GNUNET_free (ztnr_msg);
1496 GNUNET_free_non_null (rd_ser);
1501 handle_zone_to_name (void *cls,
1502 struct GNUNET_SERVER_Client *client,
1503 const struct GNUNET_MessageHeader *message)
1505 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "ZONE_TO_NAME");
1506 struct GNUNET_NAMESTORE_Client *nc;
1507 struct ZoneToNameCtx ztn_ctx;
1508 size_t msg_size = 0;
1511 if (ntohs (message->size) != sizeof (struct ZoneToNameMessage))
1513 GNUNET_break_op (0);
1514 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1518 nc = client_lookup(client);
1521 GNUNET_break_op (0);
1522 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1526 struct ZoneToNameMessage *ztn_msg = (struct ZoneToNameMessage *) message;
1528 if (msg_size > GNUNET_SERVER_MAX_MESSAGE_SIZE)
1530 GNUNET_break_op (0);
1531 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1535 rid = ntohl (ztn_msg->gns_header.r_id);
1540 struct GNUNET_CRYPTO_ShortHashAsciiEncoded z_tmp;
1541 GNUNET_CRYPTO_short_hash_to_enc(&ztn_msg->zone, &z_tmp);
1542 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Looking up name for zone `%s' in zone `%s'\n",
1544 GNUNET_short_h2s (&ztn_msg->value_zone));
1546 GSN_database->zone_to_name (GSN_database->cls, &ztn_msg->zone, &ztn_msg->value_zone, &handle_zone_to_name_it, &ztn_ctx);
1548 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1553 * Copy record, data has to be free separetely
1556 copy_record (const struct GNUNET_NAMESTORE_RecordData *src, struct GNUNET_NAMESTORE_RecordData *dest)
1559 memcpy (dest, src, sizeof (struct GNUNET_NAMESTORE_RecordData));
1560 dest->data = GNUNET_malloc (src->data_size);
1561 memcpy ((void *) dest->data, src->data, src->data_size);
1564 struct ZoneIterationProcResult
1566 struct GNUNET_NAMESTORE_ZoneIteration *zi;
1568 int res_iteration_finished;
1569 int records_included;
1573 struct GNUNET_CRYPTO_ShortHashCode zone_hash;
1574 struct GNUNET_NAMESTORE_RecordData *rd;
1575 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded zone_key;
1576 struct GNUNET_CRYPTO_RsaSignature signature;
1577 struct GNUNET_TIME_Absolute expire;
1582 zone_iteraterate_proc (void *cls,
1583 const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *zone_key,
1584 struct GNUNET_TIME_Absolute expire,
1586 unsigned int rd_count,
1587 const struct GNUNET_NAMESTORE_RecordData *rd,
1588 const struct GNUNET_CRYPTO_RsaSignature *signature)
1590 struct ZoneIterationProcResult *proc = cls;
1591 struct GNUNET_NAMESTORE_RecordData *rd_filtered;
1592 struct GNUNET_CRYPTO_RsaSignature *new_signature;
1593 struct GNUNET_NAMESTORE_CryptoContainer *cc;
1594 struct GNUNET_CRYPTO_ShortHashCode hash;
1595 struct GNUNET_HashCode long_hash;
1596 struct GNUNET_TIME_Absolute e;
1597 unsigned int rd_count_filtered = 0;
1601 proc->res_iteration_finished = GNUNET_NO;
1602 proc->records_included = 0;
1604 if ((zone_key == NULL) && (name == NULL))
1606 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Iteration done\n");
1607 proc->res_iteration_finished = GNUNET_YES;
1611 else if ((zone_key != NULL) && (name != NULL)) /* just a safety check */
1613 rd_filtered = GNUNET_malloc (rd_count * sizeof (struct GNUNET_NAMESTORE_RecordData));
1614 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received result for zone iteration: `%s'\n", name);
1615 for (c = 0; c < rd_count; c++)
1617 include = GNUNET_YES;
1618 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Record %i has flags: 0x%x must have 0x%x \n",
1619 c, rd[c].flags, proc->zi->must_have_flags);
1620 /* Checking must have flags */
1621 if ((rd[c].flags & proc->zi->must_have_flags) == proc->zi->must_have_flags)
1624 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Record %i has flags: Include \n", c);
1628 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Record %i has flags: Not include \n", c);
1629 include = GNUNET_NO;
1632 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Record %i has flags: 0x%x must not have 0x%x\n",
1633 c, rd[c].flags, proc->zi->must_not_have_flags);
1634 if ((rd[c].flags & proc->zi->must_not_have_flags) != 0)
1636 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Record %i has flags: Not include \n", c);
1637 include = GNUNET_NO;
1642 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Record %i has flags: Include \n", c);
1644 if (GNUNET_YES == include)
1646 copy_record (&rd[c], &rd_filtered[rd_count_filtered]);
1647 rd_count_filtered++;
1651 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Included %i of %i records \n", rd_count_filtered, rd_count);
1653 proc->records_included = rd_count_filtered;
1654 if (0 == rd_count_filtered)
1656 GNUNET_free (rd_filtered);
1659 proc->rd = rd_filtered;
1660 proc->name = GNUNET_strdup(name);
1661 memcpy (&proc->zone_key, zone_key, sizeof (proc->zone_key));
1664 proc->has_signature = GNUNET_NO;
1665 GNUNET_CRYPTO_short_hash (zone_key, sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), &hash);
1666 GNUNET_CRYPTO_short_hash_double(&hash, &long_hash);
1667 proc->zone_hash = hash;
1669 if (GNUNET_CONTAINER_multihashmap_contains(zonekeys, &long_hash))
1671 cc = GNUNET_CONTAINER_multihashmap_get(zonekeys, &long_hash);
1672 e = get_block_expiration_time(rd_count_filtered, rd_filtered);
1674 new_signature = GNUNET_NAMESTORE_create_signature(cc->privkey, e, name, rd_filtered, rd_count_filtered);
1675 GNUNET_assert (signature != NULL);
1676 proc->signature = (*new_signature);
1677 GNUNET_free (new_signature);
1678 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Creating signature for `%s' in zone `%s' with %u records and expiration %llu\n",
1679 name, GNUNET_short_h2s(&hash), rd_count_filtered, e.abs_value);
1680 proc->has_signature = GNUNET_YES;
1682 else if (rd_count_filtered == rd_count)
1684 proc->expire = expire;
1685 if (NULL != signature)
1687 proc->signature = (*signature);
1688 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Using provided signature for `%s' in zone `%s' with %u records and expiration %llu\n",
1689 name, GNUNET_short_h2s(&hash), rd_count_filtered, expire.abs_value);
1690 proc->has_signature = GNUNET_YES;
1694 memset (&proc->signature, '\0', sizeof (proc->signature));
1695 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "No signature provided for `%s'\n", name);
1708 find_next_zone_iteration_result (struct ZoneIterationProcResult *proc)
1711 struct GNUNET_CRYPTO_ShortHashCode *zone;
1713 if (GNUNET_YES == proc->zi->has_zone)
1714 zone = &proc->zi->zone;
1720 GSN_database->iterate_records (GSN_database->cls, zone , NULL, proc->zi->offset, &zone_iteraterate_proc, proc);
1723 while ((proc->records_included == 0) && (GNUNET_NO == proc->res_iteration_finished));
1728 send_zone_iteration_result (struct ZoneIterationProcResult *proc)
1730 struct GNUNET_NAMESTORE_ZoneIteration *zi = proc->zi;
1732 if (GNUNET_YES == proc->res_iteration_finished)
1734 struct ZoneIterationResponseMessage zir_msg;
1735 if (zi->has_zone == GNUNET_YES)
1736 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "No more results for zone `%s'\n", GNUNET_short_h2s(&zi->zone));
1738 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "No more results for all zones\n");
1740 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending empty `%s' message\n", "ZONE_ITERATION_RESPONSE");
1741 zir_msg.gns_header.header.type = htons (GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_RESPONSE);
1742 zir_msg.gns_header.header.size = htons (sizeof (struct ZoneIterationResponseMessage));
1743 zir_msg.gns_header.r_id = htonl(zi->request_id);
1744 zir_msg.expire = GNUNET_TIME_absolute_hton(GNUNET_TIME_UNIT_ZERO_ABS);
1745 zir_msg.name_len = htons (0);
1746 zir_msg.reserved = htons (0);
1747 zir_msg.rd_count = htons (0);
1748 zir_msg.rd_len = htons (0);
1749 memset (&zir_msg.public_key, '\0', sizeof (zir_msg.public_key));
1750 memset (&zir_msg.signature, '\0', sizeof (zir_msg.signature));
1751 GNUNET_SERVER_notification_context_unicast (snc, zi->client->client, (const struct GNUNET_MessageHeader *) &zir_msg, GNUNET_NO);
1753 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Removing zone iterator\n");
1754 GNUNET_CONTAINER_DLL_remove (zi->client->op_head, zi->client->op_tail, zi);
1760 GNUNET_assert (proc->records_included > 0);
1762 struct ZoneIterationResponseMessage *zir_msg;
1763 if (zi->has_zone == GNUNET_YES)
1764 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending name `%s' for iteration over zone `%s'\n",
1765 proc->name, GNUNET_short_h2s(&zi->zone));
1766 if (zi->has_zone == GNUNET_NO)
1767 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending name `%s' for iteration over all zones\n",
1775 name_len = strlen (proc->name) +1;
1777 rd_ser_len = GNUNET_NAMESTORE_records_get_size(proc->records_included, proc->rd);
1778 char rd_ser[rd_ser_len];
1779 GNUNET_NAMESTORE_records_serialize(proc->records_included, proc->rd, rd_ser_len, rd_ser);
1780 msg_size = sizeof (struct ZoneIterationResponseMessage) + name_len + rd_ser_len;
1781 zir_msg = GNUNET_malloc(msg_size);
1783 name_tmp = (char *) &zir_msg[1];
1784 rd_tmp = &name_tmp[name_len];
1786 zir_msg->gns_header.header.type = htons (GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_RESPONSE);
1787 zir_msg->gns_header.header.size = htons (msg_size);
1788 zir_msg->gns_header.r_id = htonl(zi->request_id);
1789 zir_msg->expire = GNUNET_TIME_absolute_hton(proc->expire);
1790 zir_msg->reserved = htons (0);
1791 zir_msg->name_len = htons (name_len);
1792 zir_msg->rd_count = htons (proc->records_included);
1793 zir_msg->rd_len = htons (rd_ser_len);
1794 zir_msg->signature = proc->signature;
1795 zir_msg->public_key = proc->zone_key;
1796 memcpy (name_tmp, proc->name, name_len);
1797 memcpy (rd_tmp, rd_ser, rd_ser_len);
1799 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending `%s' message with size %u\n", "ZONE_ITERATION_RESPONSE", msg_size);
1800 GNUNET_SERVER_notification_context_unicast (snc, zi->client->client, (const struct GNUNET_MessageHeader *) zir_msg, GNUNET_NO);
1801 GNUNET_free (zir_msg);
1806 clean_up_zone_iteration_result (struct ZoneIterationProcResult *proc)
1809 GNUNET_free_non_null (proc->name);
1810 for (c = 0; c < proc->records_included; c++)
1812 GNUNET_free ((void *) proc->rd[c].data);
1814 GNUNET_free_non_null (proc->rd);
1820 handle_iteration_start (void *cls,
1821 struct GNUNET_SERVER_Client *client,
1822 const struct GNUNET_MessageHeader *message)
1824 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "ZONE_ITERATION_START");
1826 struct ZoneIterationStartMessage *zis_msg = (struct ZoneIterationStartMessage *) message;
1827 struct GNUNET_NAMESTORE_Client *nc;
1828 struct GNUNET_NAMESTORE_ZoneIteration *zi;
1830 nc = client_lookup(client);
1833 GNUNET_break_op (0);
1834 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1838 zi = GNUNET_malloc (sizeof (struct GNUNET_NAMESTORE_ZoneIteration));
1839 zi->request_id = ntohl (zis_msg->gns_header.r_id);
1842 zi->must_have_flags = ntohs (zis_msg->must_have_flags);
1843 zi->must_not_have_flags = ntohs (zis_msg->must_not_have_flags);
1845 struct GNUNET_CRYPTO_ShortHashCode dummy;
1846 memset (&dummy, '\0', sizeof (dummy));
1847 if (0 == memcmp (&dummy, &zis_msg->zone, sizeof (dummy)))
1849 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting to iterate over all zones\n");
1850 zi->zone = zis_msg->zone;
1851 zi->has_zone = GNUNET_NO;
1855 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting to iterate over zone `%s'\n", GNUNET_short_h2s (&zis_msg->zone));
1856 zi->zone = zis_msg->zone;
1857 zi->has_zone = GNUNET_YES;
1860 GNUNET_CONTAINER_DLL_insert (nc->op_head, nc->op_tail, zi);
1862 struct ZoneIterationProcResult proc;
1865 find_next_zone_iteration_result (&proc);
1866 if (GNUNET_YES == proc.res_iteration_finished)
1868 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Zone iteration done\n");
1870 else if (proc.records_included != 0)
1872 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Zone iteration return %u records\n", proc.records_included);
1874 send_zone_iteration_result (&proc);
1875 clean_up_zone_iteration_result (&proc);
1877 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1881 handle_iteration_stop (void *cls,
1882 struct GNUNET_SERVER_Client *client,
1883 const struct GNUNET_MessageHeader *message)
1885 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "ZONE_ITERATION_STOP");
1887 struct GNUNET_NAMESTORE_Client *nc;
1888 struct GNUNET_NAMESTORE_ZoneIteration *zi;
1889 struct ZoneIterationStopMessage *zis_msg = (struct ZoneIterationStopMessage *) message;
1892 nc = client_lookup(client);
1895 GNUNET_break_op (0);
1896 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1900 rid = ntohl (zis_msg->gns_header.r_id);
1901 for (zi = nc->op_head; zi != NULL; zi = zi->next)
1903 if (zi->request_id == rid)
1908 GNUNET_break_op (0);
1909 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1913 GNUNET_CONTAINER_DLL_remove(nc->op_head, nc->op_tail, zi);
1914 if (GNUNET_YES == zi->has_zone)
1915 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopped zone iteration for zone `%s'\n", GNUNET_short_h2s (&zi->zone));
1917 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopped zone iteration all zones\n");
1920 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1924 handle_iteration_next (void *cls,
1925 struct GNUNET_SERVER_Client *client,
1926 const struct GNUNET_MessageHeader *message)
1928 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "ZONE_ITERATION_NEXT");
1930 struct GNUNET_NAMESTORE_Client *nc;
1931 struct GNUNET_NAMESTORE_ZoneIteration *zi;
1932 struct ZoneIterationStopMessage *zis_msg = (struct ZoneIterationStopMessage *) message;
1935 nc = client_lookup(client);
1938 GNUNET_break_op (0);
1939 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1943 rid = ntohl (zis_msg->gns_header.r_id);
1944 for (zi = nc->op_head; zi != NULL; zi = zi->next)
1946 if (zi->request_id == rid)
1951 GNUNET_break_op (0);
1952 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1956 struct ZoneIterationProcResult proc;
1959 find_next_zone_iteration_result (&proc);
1960 if (GNUNET_YES == proc.res_iteration_finished)
1962 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Zone iteration done\n");
1964 else if (proc.records_included != 0)
1966 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Zone iteration return %u records\n", proc.records_included);
1968 send_zone_iteration_result (&proc);
1969 clean_up_zone_iteration_result (&proc);
1971 GNUNET_SERVER_receive_done (client, GNUNET_OK);
1975 zonekey_file_it (void *cls, const char *filename)
1977 struct GNUNET_HashCode long_hash;
1979 if ((filename != NULL) && (NULL != strstr(filename, ".zkey")))
1981 struct GNUNET_CRYPTO_RsaPrivateKey *privkey;
1982 struct GNUNET_NAMESTORE_CryptoContainer *c;
1983 privkey = GNUNET_CRYPTO_rsa_key_create_from_file(filename);
1984 if (privkey == NULL)
1987 c = GNUNET_malloc (sizeof (struct GNUNET_NAMESTORE_CryptoContainer));
1988 c->pubkey = GNUNET_malloc(sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded));
1989 c->privkey = privkey;
1990 GNUNET_CRYPTO_rsa_key_get_public(privkey, c->pubkey);
1991 GNUNET_CRYPTO_short_hash(c->pubkey, sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), &c->zone);
1993 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found zonefile for zone `%s'\n", GNUNET_short_h2s (&c->zone));
1994 GNUNET_CRYPTO_short_hash_double (&c->zone, &long_hash);
1995 GNUNET_CONTAINER_multihashmap_put(zonekeys, &long_hash, c, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
2003 * Process template requests.
2005 * @param cls closure
2006 * @param server the initialized server
2007 * @param cfg configuration to use
2010 run (void *cls, struct GNUNET_SERVER_Handle *server,
2011 const struct GNUNET_CONFIGURATION_Handle *cfg)
2015 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting namestore service\n");
2017 static const struct GNUNET_SERVER_MessageHandler handlers[] = {
2018 {&handle_start, NULL,
2019 GNUNET_MESSAGE_TYPE_NAMESTORE_START, sizeof (struct StartMessage)},
2020 {&handle_lookup_name, NULL,
2021 GNUNET_MESSAGE_TYPE_NAMESTORE_LOOKUP_NAME, 0},
2022 {&handle_record_put, NULL,
2023 GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_PUT, 0},
2024 {&handle_record_create, NULL,
2025 GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_CREATE, 0},
2026 {&handle_record_remove, NULL,
2027 GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_REMOVE, 0},
2028 {&handle_zone_to_name, NULL,
2029 GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_TO_NAME, 0},
2030 {&handle_iteration_start, NULL,
2031 GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_START, sizeof (struct ZoneIterationStartMessage)},
2032 {&handle_iteration_next, NULL,
2033 GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_NEXT, 0},
2034 {&handle_iteration_stop, NULL,
2035 GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_STOP, 0},
2041 /* Load private keys from disk */
2043 GNUNET_CONFIGURATION_get_value_filename (cfg, "namestore", "zonefile_directory",
2044 &zonefile_directory))
2046 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("No directory to load zonefiles specified in configuration\n"));
2047 GNUNET_SCHEDULER_add_now (&cleanup_task, NULL);
2051 if (GNUNET_NO == GNUNET_DISK_file_test (zonefile_directory))
2053 if (GNUNET_SYSERR == GNUNET_DISK_directory_create (zonefile_directory))
2055 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Creating directory `%s' for zone files failed!\n"), zonefile_directory);
2056 GNUNET_SCHEDULER_add_now (&cleanup_task, NULL);
2059 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Created directory `%s' for zone files\n", zonefile_directory);
2062 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Scanning directory `%s' for zone files\n", zonefile_directory);
2063 zonekeys = GNUNET_CONTAINER_multihashmap_create (10);
2064 GNUNET_DISK_directory_scan (zonefile_directory, zonekey_file_it, &counter);
2065 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found %u zone files\n", counter);
2067 /* Loading database plugin */
2069 GNUNET_CONFIGURATION_get_value_string (cfg, "namestore", "database",
2071 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No database backend configured\n");
2073 GNUNET_asprintf (&db_lib_name, "libgnunet_plugin_namestore_%s", database);
2074 GSN_database = GNUNET_PLUGIN_load (db_lib_name, (void *) GSN_cfg);
2075 GNUNET_free (database);
2076 if (GSN_database == NULL)
2078 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Could not load database backend `%s'\n",
2080 GNUNET_SCHEDULER_add_now (&cleanup_task, NULL);
2084 /* Configuring server handles */
2085 GNUNET_SERVER_add_handlers (server, handlers);
2086 snc = GNUNET_SERVER_notification_context_create (server, 16);
2087 GNUNET_SERVER_disconnect_notify (server,
2088 &client_disconnect_notification,
2091 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &cleanup_task,
2098 * The main function for the template service.
2100 * @param argc number of arguments from the command line
2101 * @param argv command line arguments
2102 * @return 0 ok, 1 on error
2105 main (int argc, char *const *argv)
2107 return (GNUNET_OK ==
2108 GNUNET_SERVICE_run (argc, argv, "namestore",
2109 GNUNET_SERVICE_OPTION_NONE, &run, NULL)) ? 0 : 1;
2112 /* end of gnunet-service-namestore.c */