2 This file is part of GNUnet.
3 (C) 2012 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 * @brief command line tool to access distributed GNS
23 * @author Christian Grothoff
29 #include <gnunet_util_lib.h>
30 #include <gnunet_dnsparser_lib.h>
31 #include <gnunet_namestore_service.h>
32 #include <gnunet_gns_service.h>
35 * Handle to GNS service.
37 static struct GNUNET_GNS_Handle *gns;
40 * GNS name to shorten. (-s option)
42 static char *shorten_name;
45 * GNS name to lookup. (-u option)
47 static char *lookup_name;
51 * record type to look up (-t option)
53 static char *lookup_type;
56 * name to look up authority for (-a option)
58 static char *auth_name;
65 static enum GNUNET_GNS_RecordType rtype;
68 * Task run on shutdown. Cleans up everything.
71 * @param tc scheduler context
74 do_shutdown (void *cls,
75 const struct GNUNET_SCHEDULER_TaskContext *tc)
79 GNUNET_GNS_disconnect (gns);
86 process_shorten_result(void* cls, const char* nshort)
91 printf("%s shortened to %s\n", (char*) cls, nshort);
92 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
96 process_lookup_result(void* cls, uint32_t rd_count,
97 const struct GNUNET_NAMESTORE_RecordData *rd)
100 char* name = (char*) cls;
101 const char* typename;
106 printf("No results.\n");
108 printf("%s:\n", name);
113 for (i=0; i<rd_count; i++)
115 typename = GNUNET_NAMESTORE_number_to_typename (rd[i].record_type);
116 string_val = GNUNET_NAMESTORE_value_to_string(rd[i].record_type,
120 printf("%s\n", string_val);
122 printf("Got %s record: %s\n", typename, string_val);
126 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
130 process_auth_result(void* cls, const char* auth)
132 printf ("%s\n", auth);
133 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
137 * Main function that will be run.
140 * @param args remaining command-line arguments
141 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
142 * @param cfg configuration
145 run (void *cls, char *const *args, const char *cfgfile,
146 const struct GNUNET_CONFIGURATION_Handle *cfg)
149 struct GNUNET_CRYPTO_RsaPrivateKey *key = NULL;
150 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pkey;
151 struct GNUNET_CRYPTO_ShortHashCode *zone = NULL;
152 struct GNUNET_CRYPTO_ShortHashCode user_zone;
153 struct GNUNET_CRYPTO_ShortHashAsciiEncoded zonename;
154 struct GNUNET_CRYPTO_RsaPrivateKey *shorten_key = NULL;
156 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
157 "ZONEKEY", &keyfile))
160 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
161 "No private key for root zone found, using default!\n");
166 if (GNUNET_YES == GNUNET_DISK_file_test (keyfile))
168 key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
169 GNUNET_CRYPTO_rsa_key_get_public (key, &pkey);
170 GNUNET_CRYPTO_short_hash(&pkey,
171 sizeof(struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded),
174 GNUNET_CRYPTO_short_hash_to_enc (zone, &zonename);
176 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
177 "Using zone: %s!\n", &zonename);
178 GNUNET_CRYPTO_rsa_key_free(key);
180 GNUNET_free(keyfile);
183 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
184 "SHORTEN_ZONEKEY", &keyfile))
187 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
188 "No shorten key found!\n");
193 if (GNUNET_YES == GNUNET_DISK_file_test (keyfile))
195 shorten_key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
197 GNUNET_free(keyfile);
200 gns = GNUNET_GNS_connect (cfg);
201 if (lookup_type != NULL)
202 rtype = GNUNET_NAMESTORE_typename_to_number(lookup_type);
204 rtype = GNUNET_GNS_RECORD_TYPE_A;
208 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
209 _("Failed to connect to GNS\n"));
213 if (shorten_name != NULL)
216 GNUNET_GNS_shorten_zone (gns, shorten_name,
218 &process_shorten_result,
222 if (lookup_name != NULL)
224 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
226 GNUNET_GNS_lookup_zone (gns, lookup_name,
229 GNUNET_YES, //Use DHT
231 &process_lookup_result, lookup_name);
234 if (auth_name != NULL)
236 GNUNET_GNS_get_authority(gns, auth_name, &process_auth_result, auth_name);
239 // FIXME: do work here...
240 //GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
245 * The main function for gnunet-gns.
247 * @param argc number of arguments from the command line
248 * @param argv command line arguments
249 * @return 0 ok, 1 on error
252 main (int argc, char *const *argv)
254 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
255 {'s', "shorten", NULL,
256 gettext_noop ("try to shorten a given GNS name"), 1,
257 &GNUNET_GETOPT_set_string, &shorten_name},
258 {'u', "lookup", NULL,
259 gettext_noop ("Lookup a record using GNS (NOT IMPLEMENTED)"), 1,
260 &GNUNET_GETOPT_set_string, &lookup_name},
261 {'a', "authority", NULL,
262 gettext_noop ("Get the authority of a particular name"), 1,
263 &GNUNET_GETOPT_set_string, &auth_name},
265 gettext_noop ("Specify the type of the record lookup"), 1,
266 &GNUNET_GETOPT_set_string, &lookup_type},
268 gettext_noop ("No unneeded output"), 0,
269 &GNUNET_GETOPT_set_one, &raw},
270 GNUNET_GETOPT_OPTION_END
275 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
278 GNUNET_log_setup ("gnunet-gns", "WARNING", NULL);
281 GNUNET_PROGRAM_run (argc, argv, "gnunet-gns",
282 _("GNUnet GNS access tool"),
284 &run, NULL)) ? 0 : 1;
289 /* end of gnunet-gns.c */