3 This file is part of GNUnet.
4 (C) 2012, 2013 Christian Grothoff (and other contributing authors)
6 GNUnet is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published
8 by the Free Software Foundation; either version 3, or (at your
9 option) any later version.
11 GNUnet is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNUnet; see the file COPYING. If not, write to the
18 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA.
22 * @file gnunet-namecache.c
23 * @brief command line tool to inspect the name cache
24 * @author Christian Grothoff
30 #include <gnunet_util_lib.h>
31 #include <gnunet_dnsparser_lib.h>
32 #include <gnunet_identity_service.h>
33 #include <gnunet_gnsrecord_lib.h>
34 #include <gnunet_namecache_service.h>
35 #include <gnunet_namestore_service.h>
39 * Handle to the namecache.
41 static struct GNUNET_NAMECACHE_Handle *ns;
44 * Queue entry for the 'query' operation.
46 static struct GNUNET_NAMECACHE_QueueEntry *qe;
49 * Name (label) of the records to list.
54 * Public key of the zone to look in.
56 static struct GNUNET_CRYPTO_EcdsaPublicKey pubkey;
59 * Public key of the zone to look in, in ASCII.
70 * Task run on shutdown. Cleans up everything.
73 * @param tc scheduler context
76 do_shutdown (void *cls,
77 const struct GNUNET_SCHEDULER_TaskContext *tc)
81 GNUNET_NAMECACHE_cancel (qe);
86 GNUNET_NAMECACHE_disconnect (ns);
93 * Process a record that was stored in the namecache in a block.
95 * @param cls closure, NULL
96 * @param rd_len number of entries in @a rd array
97 * @param rd array of records with data to store
100 display_records_from_block (void *cls,
102 const struct GNUNET_NAMESTORE_RecordData *rd)
104 const char *typestring;
111 _("No records found for `%s'"),
118 for (i=0;i<rd_len;i++)
120 typestring = GNUNET_GNSRECORD_number_to_typename (rd[i].record_type);
121 s = GNUNET_GNSRECORD_value_to_string (rd[i].record_type,
126 FPRINTF (stdout, _("\tCorrupt or unsupported record of type %u\n"),
127 (unsigned int) rd[i].record_type);
136 FPRINTF (stdout, "%s", "\n");
141 * Display block obtained from listing (by name).
144 * @param block NULL if not found
147 handle_block (void *cls,
148 const struct GNUNET_NAMESTORE_Block *block)
154 "No matching block found\n");
156 else if (GNUNET_OK !=
157 GNUNET_NAMESTORE_block_decrypt (block,
160 &display_records_from_block,
164 "Failed to decrypt block!\n");
166 GNUNET_SCHEDULER_shutdown ();
171 * Main function that will be run.
174 * @param args remaining command-line arguments
175 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
176 * @param cfg configuration
179 run (void *cls, char *const *args, const char *cfgfile,
180 const struct GNUNET_CONFIGURATION_Handle *cfg)
182 struct GNUNET_HashCode dhash;
187 _("You must specify which zone should be accessed\n"));
192 GNUNET_CRYPTO_ecdsa_public_key_from_string (pkey,
197 _("Invalid public key for reverse lookup `%s'\n"),
199 GNUNET_SCHEDULER_shutdown ();
202 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
205 GNUNET_NAMESTORE_query_from_public_key (&pubkey,
208 qe = GNUNET_NAMECACHE_lookup_block (ns,
216 * The main function for gnunet-namecache.
218 * @param argc number of arguments from the command line
219 * @param argv command line arguments
220 * @return 0 ok, 1 on error
223 main (int argc, char *const *argv)
225 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
226 {'n', "name", "NAME",
227 gettext_noop ("name of the record to add/delete/display"), 1,
228 &GNUNET_GETOPT_set_string, &name},
229 {'z', "zone", "PKEY",
230 gettext_noop ("spezifies the public key of the zone to look in"), 1,
231 &GNUNET_GETOPT_set_string, &pkey},
232 GNUNET_GETOPT_OPTION_END
235 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
238 GNUNET_log_setup ("gnunet-namecache", "WARNING", NULL);
240 GNUNET_PROGRAM_run (argc, argv, "gnunet-namecache",
241 _("GNUnet zone manipulation tool"),
245 GNUNET_free ((void*) argv);
248 GNUNET_free ((void*) argv);
252 /* end of gnunet-namecache.c */