/*
This file is part of GNUnet.
- (C) 2012-2013 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2012-2013, 2017 GNUnet e.V.
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
* @file gnunet-gns.c
*/
static struct GNUNET_GNS_Handle *gns;
+/**
+ * Desired timeout for the lookup (default is no timeout).
+ */
+static struct GNUNET_TIME_Relative timeout;
+
/**
* GNS name to lookup. (-u option)
*/
static char *public_key;
/**
- * Set to #GNUNET_YES if we must not use the DHT (only local lookup).
+ * Set to GNUNET_GNS_LO_LOCAL_MASTER if we are looking up in the master zone.
*/
-static int only_cached;
+static enum GNUNET_GNS_LocalOptions local_options;
/**
* raw output
*/
static struct GNUNET_IDENTITY_Operation *id_op;
+/**
+ * Task scheduled to handle timeout.
+ */
+static struct GNUNET_SCHEDULER_Task *tt;
+
/**
* Task run on shutdown. Cleans up everything.
*
* @param cls unused
- * @param tc scheduler context
*/
static void
-do_shutdown (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+do_shutdown (void *cls)
{
if (NULL != el)
{
GNUNET_GNS_disconnect (gns);
gns = NULL;
}
+ if (NULL != tt)
+ {
+ GNUNET_SCHEDULER_cancel (tt);
+ tt = NULL;
+ }
+}
+
+
+/**
+ * Task run on timeout. Triggers shutdown.
+ *
+ * @param cls unused
+ */
+static void
+do_timeout (void *cls)
+{
+ tt = NULL;
+ GNUNET_SCHEDULER_shutdown ();
}
* @param rd array of @a rd_count records with the results
*/
static void
-process_lookup_result (void *cls, uint32_t rd_count,
+process_lookup_result (void *cls,
+ uint32_t rd_count,
const struct GNUNET_GNSRECORD_Data *rd)
{
const char *name = cls;
* identified by the given public key and the shorten zone.
*
* @param pkey public key to use for the zone, can be NULL
- * @param shorten_key private key used for shortening, can be NULL
*/
static void
-lookup_with_keys (const struct GNUNET_CRYPTO_EcdsaPublicKey *pkey,
- const struct GNUNET_CRYPTO_EcdsaPrivateKey *shorten_key)
+lookup_with_public_key (const struct GNUNET_CRYPTO_EcdsaPublicKey *pkey)
{
if (NULL != lookup_type)
rtype = GNUNET_GNSRECORD_typename_to_number (lookup_type);
else
rtype = GNUNET_DNSPARSER_TYPE_A;
+ if (UINT32_MAX == rtype)
+ {
+ fprintf (stderr,
+ _("Invalid typename specified, assuming `ANY'\n"));
+ rtype = GNUNET_GNSRECORD_TYPE_ANY;
+ }
if (NULL != lookup_name)
{
lookup_name,
pkey,
rtype,
- only_cached,
- shorten_key,
+ local_options,
&process_lookup_result,
lookup_name);
}
}
-/**
- * Method called to with the ego we are to use for shortening
- * during the lookup.
- *
- * @param cls closure contains the public key to use
- * @param ego ego handle, NULL if not found
- * @param ctx context for application to store data for this ego
- * (during the lifetime of this process, initially NULL)
- * @param name name assigned by the user for this ego,
- * NULL if the user just deleted the ego and it
- * must thus no longer be used
- */
-static void
-identity_shorten_cb (void *cls,
- struct GNUNET_IDENTITY_Ego *ego,
- void **ctx,
- const char *name)
-{
- struct GNUNET_CRYPTO_EcdsaPublicKey *pkeym = cls;
-
- id_op = NULL;
- if (NULL == ego)
- lookup_with_keys (pkeym, NULL);
- else
- lookup_with_keys (pkeym,
- GNUNET_IDENTITY_ego_get_private_key (ego));
- GNUNET_free (pkeym);
-}
-
-
-/**
- * Perform the actual resolution, starting with the zone
- * identified by the given public key.
- *
- * @param pkey public key to use for the zone
- */
-static void
-lookup_with_public_key (const struct GNUNET_CRYPTO_EcdsaPublicKey *pkey)
-{
- struct GNUNET_CRYPTO_EcdsaPublicKey *pkeym;
-
- GNUNET_assert (NULL != pkey);
- pkeym = GNUNET_new (struct GNUNET_CRYPTO_EcdsaPublicKey);
- *pkeym = *pkey;
- GNUNET_break (NULL == id_op);
- id_op = GNUNET_IDENTITY_get (identity,
- "gns-short",
- &identity_shorten_cb,
- pkeym);
- if (NULL == id_op)
- {
- GNUNET_break (0);
- lookup_with_keys (pkey, NULL);
- }
-}
-
-
/**
* Method called to with the ego we are to use for the lookup,
* when the ego is determined by a name.
return;
}
GNUNET_IDENTITY_ego_get_public_key (ego, &pkey);
+ /* main name is our own master zone, do no look for that in the DHT */
+ local_options = GNUNET_GNS_LO_LOCAL_MASTER;
+
/* if the name is of the form 'label.gnu', never go to the DHT */
- dot = strchr (lookup_name, '.');
+ dot = NULL;
+ if (NULL != lookup_name)
+ dot = strchr (lookup_name, '.');
if ( (NULL != dot) &&
(0 == strcasecmp (dot, ".gnu")) )
- only_cached = GNUNET_YES;
+ local_options = GNUNET_GNS_LO_NO_DHT;
lookup_with_public_key (&pkey);
}
* @param c configuration
*/
static void
-run (void *cls, char *const *args, const char *cfgfile,
+run (void *cls,
+ char *const *args,
+ const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *c)
{
struct GNUNET_CRYPTO_EcdsaPublicKey pkey;
cfg = c;
gns = GNUNET_GNS_connect (cfg);
- identity = GNUNET_IDENTITY_connect (cfg, NULL, NULL);
if (NULL == gns)
{
fprintf (stderr,
_("Failed to connect to GNS\n"));
return;
}
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
- &do_shutdown, NULL);
+ tt = GNUNET_SCHEDULER_add_delayed (timeout,
+ &do_timeout,
+ NULL);
+ GNUNET_SCHEDULER_add_shutdown (&do_shutdown,
+ NULL);
+ identity = GNUNET_IDENTITY_connect (cfg,
+ NULL,
+ NULL);
if (NULL != public_key)
{
if (GNUNET_OK !=
- GNUNET_CRYPTO_ecdsa_public_key_from_string (public_key,
- strlen (public_key),
- &pkey))
+ GNUNET_CRYPTO_ecdsa_public_key_from_string (public_key,
+ strlen (public_key),
+ &pkey))
{
fprintf (stderr,
- _("Public key `%s' is not well-formed\n"),
- public_key);
+ _("Public key `%s' is not well-formed\n"),
+ public_key);
GNUNET_SCHEDULER_shutdown ();
return;
}
if (NULL != zone_ego_name)
{
el = GNUNET_IDENTITY_ego_lookup (cfg,
- zone_ego_name,
- &identity_zone_cb,
- NULL);
+ zone_ego_name,
+ &identity_zone_cb,
+ NULL);
return;
}
if ( (NULL != lookup_name) &&
(strlen (lookup_name) > 4) &&
(0 == strcmp (".zkey",
- &lookup_name[strlen (lookup_name) - 4])) )
+ &lookup_name[strlen (lookup_name) - 4])) )
{
/* no zone required, use 'anonymous' zone */
GNUNET_CRYPTO_ecdsa_key_get_public (GNUNET_CRYPTO_ecdsa_key_get_anonymous (),
- &pkey);
+ &pkey);
lookup_with_public_key (&pkey);
}
else
{
GNUNET_break (NULL == id_op);
id_op = GNUNET_IDENTITY_get (identity,
- "gns-master",
- &identity_master_cb,
- NULL);
+ "gns-master",
+ &identity_master_cb,
+ NULL);
GNUNET_assert (NULL != id_op);
}
}
* @return 0 ok, 1 on error
*/
int
-main (int argc, char *const *argv)
+main (int argc,
+ char *const *argv)
{
static const struct GNUNET_GETOPT_CommandLineOption options[] = {
{'u', "lookup", "NAME",
{'t', "type", "TYPE",
gettext_noop ("Specify the type of the record to lookup"), 1,
&GNUNET_GETOPT_set_string, &lookup_type},
+ { 'T', "timeout", "DELAY",
+ gettext_noop ("Specify timeout for the lookup"), 1,
+ &GNUNET_GETOPT_set_relative_time, &timeout },
{'r', "raw", NULL,
gettext_noop ("No unneeded output"), 0,
&GNUNET_GETOPT_set_one, &raw},
};
int ret;
- if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
+ timeout = GNUNET_TIME_UNIT_FOREVER_REL;
+ if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv,
+ &argc, &argv))
return 2;
- GNUNET_log_setup ("gnunet-gns", "WARNING", NULL);
+ GNUNET_log_setup ("gnunet-gns",
+ "WARNING",
+ NULL);
ret =
- (GNUNET_OK ==
- GNUNET_PROGRAM_run (argc, argv, "gnunet-gns",
- _("GNUnet GNS resolver tool"),
- options,
- &run, NULL)) ? 0 : 1;
+ (GNUNET_OK ==
+ GNUNET_PROGRAM_run (argc, argv,
+ "gnunet-gns",
+ _("GNUnet GNS resolver tool"),
+ options,
+ &run, NULL)) ? 0 : 1;
GNUNET_free ((void*) argv);
return ret;
}
projects / oweals / gnunet.git / blobdiff