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21 * @file gnunet-namecache.c
22 * @brief command line tool to inspect the name cache
23 * @author Christian Grothoff
29 #include "gnunet_util_lib.h"
30 #include "gnunet_dnsparser_lib.h"
31 #include "gnunet_identity_service.h"
32 #include "gnunet_gnsrecord_lib.h"
33 #include "gnunet_namecache_service.h"
37 * Handle to the namecache.
39 static struct GNUNET_NAMECACHE_Handle *ns;
42 * Queue entry for the 'query' operation.
44 static struct GNUNET_NAMECACHE_QueueEntry *qe;
47 * Name (label) of the records to list.
52 * Public key of the zone to look in.
54 static struct GNUNET_CRYPTO_EcdsaPublicKey pubkey;
57 * Public key of the zone to look in, in ASCII.
68 * Task run on shutdown. Cleans up everything.
73 do_shutdown (void *cls)
77 GNUNET_NAMECACHE_cancel (qe);
82 GNUNET_NAMECACHE_disconnect (ns);
89 * Process a record that was stored in the namecache in a block.
91 * @param cls closure, NULL
92 * @param rd_len number of entries in @a rd array
93 * @param rd array of records with data to store
96 display_records_from_block (void *cls,
98 const struct GNUNET_GNSRECORD_Data *rd)
100 const char *typestring;
107 _("No records found for `%s'"),
114 for (i=0;i<rd_len;i++)
116 typestring = GNUNET_GNSRECORD_number_to_typename (rd[i].record_type);
117 s = GNUNET_GNSRECORD_value_to_string (rd[i].record_type,
122 FPRINTF (stdout, _("\tCorrupt or unsupported record of type %u\n"),
123 (unsigned int) rd[i].record_type);
132 FPRINTF (stdout, "%s", "\n");
137 * Display block obtained from listing (by name).
140 * @param block NULL if not found
143 handle_block (void *cls,
144 const struct GNUNET_GNSRECORD_Block *block)
150 "No matching block found\n");
152 else if (GNUNET_OK !=
153 GNUNET_GNSRECORD_block_decrypt (block,
156 &display_records_from_block,
160 "Failed to decrypt block!\n");
162 GNUNET_SCHEDULER_shutdown ();
167 * Main function that will be run.
170 * @param args remaining command-line arguments
171 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
172 * @param cfg configuration
175 run (void *cls, char *const *args, const char *cfgfile,
176 const struct GNUNET_CONFIGURATION_Handle *cfg)
178 struct GNUNET_HashCode dhash;
183 _("You must specify which zone should be accessed\n"));
188 GNUNET_CRYPTO_ecdsa_public_key_from_string (pkey,
193 _("Invalid public key for zone `%s'\n"),
195 GNUNET_SCHEDULER_shutdown ();
201 _("You must specify a name\n"));
205 GNUNET_SCHEDULER_add_shutdown (&do_shutdown,
207 ns = GNUNET_NAMECACHE_connect (cfg);
208 GNUNET_GNSRECORD_query_from_public_key (&pubkey,
211 qe = GNUNET_NAMECACHE_lookup_block (ns,
219 * The main function for gnunet-namecache.
221 * @param argc number of arguments from the command line
222 * @param argv command line arguments
223 * @return 0 ok, 1 on error
226 main (int argc, char *const *argv)
228 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
229 {'n', "name", "NAME",
230 gettext_noop ("name of the record to add/delete/display"), 1,
231 &GNUNET_GETOPT_set_string, &name},
232 {'z', "zone", "PKEY",
233 gettext_noop ("spezifies the public key of the zone to look in"), 1,
234 &GNUNET_GETOPT_set_string, &pkey},
235 GNUNET_GETOPT_OPTION_END
238 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
241 GNUNET_log_setup ("gnunet-namecache", "WARNING", NULL);
243 GNUNET_PROGRAM_run (argc, argv, "gnunet-namecache",
244 _("GNUnet zone manipulation tool"),
248 GNUNET_free ((void*) argv);
251 GNUNET_free ((void*) argv);
255 /* end of gnunet-namecache.c */