-never store NICKs anywhere but in '+', do not display nicks in gnunet-namestore
[oweals/gnunet.git] / src / namestore / gnunet-namestore.c
index 45e721b89e82d9d3e90d7bd05b5e2cf239bd1877..e985e1b049d8b2c5356d0faacff0b3d1efcdece9 100644 (file)
@@ -1,4 +1,3 @@
-
 /*
      This file is part of GNUnet.
      (C) 2012, 2013 Christian Grothoff (and other contributing authors)
@@ -31,6 +30,7 @@
 #include <gnunet_dnsparser_lib.h>
 #include <gnunet_identity_service.h>
 #include <gnunet_gnsrecord_lib.h>
+#include <gnunet_gns_service.h>
 #include <gnunet_namestore_service.h>
 
 
@@ -49,6 +49,16 @@ static struct GNUNET_CRYPTO_EcdsaPrivateKey zone_pkey;
  */
 static struct GNUNET_IDENTITY_EgoLookup *el;
 
+/**
+ * Identity service handle
+ */
+static struct GNUNET_IDENTITY_Handle *idh;
+
+/**
+ * Obtain default ego
+ */
+struct GNUNET_IDENTITY_Operation *get_default;
+
 /**
  * Name of the ego controlling the zone.
  */
@@ -59,11 +69,6 @@ static char *ego_name;
  */
 static int add;
 
-/**
- * Iterator for the 'add' operation.
- */
-static struct GNUNET_NAMESTORE_ZoneIterator *add_zit;
-
 /**
  * Queue entry for the 'add-uri' operation.
  */
@@ -74,11 +79,6 @@ static struct GNUNET_NAMESTORE_QueueEntry *add_qe_uri;
  */
 static struct GNUNET_NAMESTORE_QueueEntry *add_qe;
 
-/**
- * Queue entry for the 'list' operation (in combination with a name).
- */
-static struct GNUNET_NAMESTORE_QueueEntry *list_qe;
-
 /**
  * Queue entry for the 'reverse lookup' operation (in combination with a name).
  */
@@ -144,6 +144,11 @@ static char *typestring;
  */
 static char *expirationstring;
 
+/**
+ * Desired nick name.
+ */
+static char *nickstring;
+
 /**
  * Global return value
  */
@@ -200,6 +205,16 @@ static void
 do_shutdown (void *cls,
             const struct GNUNET_SCHEDULER_TaskContext *tc)
 {
+  if (NULL != get_default)
+  {
+    GNUNET_IDENTITY_cancel (get_default);
+    get_default = NULL;
+  }
+  if (NULL != idh)
+  {
+    GNUNET_IDENTITY_disconnect (idh);
+    idh = NULL;
+  }
   if (NULL != el)
   {
     GNUNET_IDENTITY_ego_lookup_cancel (el);
@@ -215,11 +230,6 @@ do_shutdown (void *cls,
     GNUNET_NAMESTORE_cancel (add_qe);
     add_qe = NULL;
   }
-  if (NULL != list_qe)
-  {
-    GNUNET_NAMESTORE_cancel (list_qe);
-    list_qe = NULL;
-  }
   if (NULL != add_qe_uri)
   {
     GNUNET_NAMESTORE_cancel (add_qe_uri);
@@ -261,7 +271,6 @@ static void
 test_finished ()
 {
   if ( (NULL == add_qe) &&
-       (NULL == list_qe) &&
        (NULL == add_qe_uri) &&
        (NULL == del_qe) &&
        (NULL == reverse_qe) &&
@@ -296,6 +305,7 @@ add_continuation (void *cls,
     if (GNUNET_NO != success)
       ret = 1;
   }
+  ret = 0;
   test_finished ();
 }
 
@@ -316,10 +326,20 @@ del_continuation (void *cls,
                  const char *emsg)
 {
   del_qe = NULL;
-  if (success != GNUNET_YES)
+  if (GNUNET_NO == success)
+  {
+    fprintf (stderr,
+            _("Deleting record failed, record does not exist%s%s\n"),
+            (NULL != emsg) ? ": " : "",
+            (NULL != emsg) ? emsg : "");
+  }
+  if (GNUNET_SYSERR == success)
+  {
     fprintf (stderr,
-            _("Deleting record failed: %s\n"),
-            emsg);
+             _("Deleting record failed%s%s\n"),
+             (NULL != emsg) ? ": " : "",
+             (NULL != emsg) ? emsg : "");
+  }
   test_finished ();
 }
 
@@ -329,14 +349,14 @@ del_continuation (void *cls,
  *
  * @param cls closure
  * @param zone_key private key of the zone
- * @param name name that is being mapped (at most 255 characters long)
+ * @param rname name that is being mapped (at most 255 characters long)
  * @param rd_len number of entries in @a rd array
  * @param rd array of records with data to store
  */
 static void
 display_record (void *cls,
                const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone_key,
-               const char *name,
+               const char *rname,
                unsigned int rd_len,
                const struct GNUNET_GNSRECORD_Data *rd)
 {
@@ -347,17 +367,25 @@ display_record (void *cls,
   struct GNUNET_TIME_Absolute at;
   struct GNUNET_TIME_Relative rt;
 
-  if (NULL == name)
+  if (NULL == rname)
   {
     list_it = NULL;
     test_finished ();
     return;
   }
+  if ( (NULL != name) &&
+       (0 != strcmp (name, rname)) )
+  {
+    GNUNET_NAMESTORE_zone_iterator_next (list_it);
+    return;
+  }
   FPRINTF (stdout,
           "%s:\n",
-          name);
+          rname);
   for (i=0;i<rd_len;i++)
   {
+    if (GNUNET_GNSRECORD_TYPE_NICK == rd[i].record_type)
+      continue;
     typestring = GNUNET_GNSRECORD_number_to_typename (rd[i].record_type);
     s = GNUNET_GNSRECORD_value_to_string (rd[i].record_type,
                                          rd[i].data,
@@ -379,10 +407,13 @@ display_record (void *cls,
       ets = GNUNET_STRINGS_absolute_time_to_string (at);
     }
     FPRINTF (stdout,
-            "\t%s: %s (%s)\n",
+            "\t%s: %s (%s)\t%s\t%s\t%s\n",
             typestring,
             s,
-             ets);
+             ets,
+             (0 != (rd[i].flags & GNUNET_GNSRECORD_RF_PRIVATE)) ? "PRIVATE" : "PUBLIC",
+             (0 != (rd[i].flags & GNUNET_GNSRECORD_RF_SHADOW_RECORD)) ? "SHADOW" : "",
+             (0 != (rd[i].flags & GNUNET_GNSRECORD_RF_PENDING)) ? "PENDING" : "");
     GNUNET_free (s);
   }
   FPRINTF (stdout, "%s", "\n");
@@ -422,12 +453,17 @@ get_existing_record (void *cls,
   struct GNUNET_GNSRECORD_Data rdn[rd_count + 1];
   struct GNUNET_GNSRECORD_Data *rde;
 
+  add_qe = NULL;
   if ( (NULL != zone_key) &&
        (0 != strcmp (rec_name, name)) )
   {
-    GNUNET_NAMESTORE_zone_iterator_next (add_zit);
+    GNUNET_break (0);
     return;
   }
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received %u records for name `%s'\n",
+      rd_count, rec_name);
+
   memset (rdn, 0, sizeof (struct GNUNET_GNSRECORD_Data));
   memcpy (&rdn[1], rd, rd_count * sizeof (struct GNUNET_GNSRECORD_Data));
   /* FIXME: should add some logic to overwrite records if there
@@ -437,7 +473,7 @@ get_existing_record (void *cls,
   rde->data = data;
   rde->data_size = data_size;
   rde->record_type = type;
-  if (1 != shadow)
+  if (1 == shadow)
     rde->flags |= GNUNET_GNSRECORD_RF_SHADOW_RECORD;
   if (1 != public)
     rde->flags |= GNUNET_GNSRECORD_RF_PRIVATE;
@@ -458,94 +494,6 @@ get_existing_record (void *cls,
                                           rde,
                                           &add_continuation,
                                           &add_qe);
-  /* only cancel if we were not told that this
-     was the end of the iteration already */
-  if (NULL != rec_name)
-    GNUNET_NAMESTORE_zone_iteration_stop (add_zit);
-  add_zit = NULL;
-}
-
-
-
-/**
- * Process a record that was stored in the namestore in a block.
- *
- * @param cls closure, NULL
- * @param rd_len number of entries in @a rd array
- * @param rd array of records with data to store
- */
-static void
-display_records_from_block (void *cls,
-                           unsigned int rd_len,
-                           const struct GNUNET_GNSRECORD_Data *rd)
-{
-  const char *typestring;
-  char *s;
-  unsigned int i;
-
-  if (0 == rd_len)
-  {
-    FPRINTF (stdout,
-            _("No records found for `%s'"),
-            name);
-    return;
-  }
-  FPRINTF (stdout,
-          "%s:\n",
-          name);
-  for (i=0;i<rd_len;i++)
-  {
-    typestring = GNUNET_GNSRECORD_number_to_typename (rd[i].record_type);
-    s = GNUNET_GNSRECORD_value_to_string (rd[i].record_type,
-                                         rd[i].data,
-                                         rd[i].data_size);
-    if (NULL == s)
-    {
-      FPRINTF (stdout, _("\tCorrupt or unsupported record of type %u\n"),
-              (unsigned int) rd[i].record_type);
-      continue;
-    }
-    FPRINTF (stdout,
-            "\t%s: %s\n",
-            typestring,
-            s);
-    GNUNET_free (s);
-  }
-  FPRINTF (stdout, "%s", "\n");
-}
-
-
-/**
- * Display block obtained from listing (by name).
- *
- * @param cls NULL
- * @param block NULL if not found
- */
-static void
-handle_block (void *cls,
-             const struct GNUNET_GNSRECORD_Block *block)
-{
-  struct GNUNET_CRYPTO_EcdsaPublicKey zone_pubkey;
-
-  list_qe = NULL;
-  GNUNET_CRYPTO_ecdsa_key_get_public (&zone_pkey,
-                                                 &zone_pubkey);
-  if (NULL == block)
-  {
-    fprintf (stderr,
-            "No matching block found\n");
-  }
-  else if (GNUNET_OK !=
-          GNUNET_GNSRECORD_block_decrypt (block,
-                                          &zone_pubkey,
-                                          name,
-                                          &display_records_from_block,
-                                          NULL))
-  {
-    fprintf (stderr,
-            "Failed to decrypt block!\n");
-  }
-  test_finished ();
 }
 
 
@@ -601,7 +549,7 @@ testservice_task (void *cls,
             "namestore");
     return;
   }
-  if (! (add|del|list|(NULL != uri)|(NULL != reverse_pkey)) )
+  if (! (add|del|list|(NULL != nickstring)|(NULL != uri)|(NULL != reverse_pkey)) )
   {
     /* nothing more to be done */
     fprintf (stderr,
@@ -704,10 +652,8 @@ testservice_task (void *cls,
       ret = 1;
       return;
     }
-    add_zit = GNUNET_NAMESTORE_zone_iteration_start (ns,
-                                                    &zone_pkey,
-                                                    &get_existing_record,
-                                                    NULL);
+    add_qe = GNUNET_NAMESTORE_records_lookup (ns, &zone_pkey, name,
+        &get_existing_record, NULL );
   }
   if (del)
   {
@@ -729,28 +675,10 @@ testservice_task (void *cls,
   }
   if (list)
   {
-    if (NULL == name)
-    {
-      list_it = GNUNET_NAMESTORE_zone_iteration_start (ns,
-                                                      &zone_pkey,
-                                                      &display_record,
-                                                      NULL);
-    }
-    else
-    {
-      struct GNUNET_HashCode query;
-      struct GNUNET_CRYPTO_EcdsaPublicKey zone_pubkey;
-
-      GNUNET_CRYPTO_ecdsa_key_get_public (&zone_pkey,
-                                                     &zone_pubkey);
-      GNUNET_GNSRECORD_query_from_public_key (&zone_pubkey,
-                                             name,
-                                             &query);
-      list_qe = GNUNET_NAMESTORE_lookup_block (ns,
-                                              &query,
-                                              &handle_block,
-                                              NULL);
-    }
+    list_it = GNUNET_NAMESTORE_zone_iteration_start (ns,
+                                                     &zone_pkey,
+                                                     &display_record,
+                                                     NULL);
   }
   if (NULL != reverse_pkey)
   {
@@ -778,12 +706,8 @@ testservice_task (void *cls,
     char sname[64];
     struct GNUNET_CRYPTO_EcdsaPublicKey pkey;
 
-    if ( (2 != (sscanf (uri,
-                        "gnunet://gns/%104s/%63s",
-                        sh,
-                        sname)) ) ||
-         (GNUNET_OK !=
-          GNUNET_CRYPTO_ecdsa_public_key_from_string (sh, strlen (sh), &pkey)) )
+    if ( (2 != (sscanf (uri, "gnunet://gns/%52s/%63s", sh, sname)) ) ||
+         (GNUNET_OK != GNUNET_CRYPTO_ecdsa_public_key_from_string (sh, strlen (sh), &pkey)) )
     {
       fprintf (stderr,
                _("Invalid URI `%s'\n"),
@@ -805,7 +729,8 @@ testservice_task (void *cls,
       rd.expiration_time = etime_abs.abs_value_us;
     else
       rd.expiration_time = GNUNET_TIME_UNIT_FOREVER_ABS.abs_value_us;
-    if (1 != shadow)
+
+    if (1 == shadow)
       rd.flags |= GNUNET_GNSRECORD_RF_SHADOW_RECORD;
     add_qe_uri = GNUNET_NAMESTORE_records_store (ns,
                                                 &zone_pkey,
@@ -815,10 +740,25 @@ testservice_task (void *cls,
                                                 &add_continuation,
                                                 &add_qe_uri);
   }
+  if (NULL != nickstring)
+  {
+    if (0 == strlen(nickstring))
+    {
+      fprintf (stderr,
+               _("Invalid nick `%s'\n"),
+               nickstring);
+      GNUNET_SCHEDULER_shutdown ();
+      ret = 1;
+      return;
+    }
+    add_qe_uri = GNUNET_NAMESTORE_set_nick(ns, &zone_pkey, nickstring,
+        &add_continuation, &add_qe_uri);
+  }
   if (monitor)
   {
     zm = GNUNET_NAMESTORE_zone_monitor_start (cfg,
                                              &zone_pkey,
+                                              GNUNET_YES,
                                              &display_record,
                                              &sync_cb,
                                              NULL);
@@ -842,14 +782,18 @@ identity_cb (void *cls,
   el = NULL;
   if (NULL == ego)
   {
-    fprintf (stderr,
-            _("Ego `%s' not known to identity service\n"),
-            ego_name);
+    if (NULL != ego_name)
+    {
+      fprintf (stderr,
+               _("Ego `%s' not known to identity service\n"),
+               ego_name);
+    }
     GNUNET_SCHEDULER_shutdown ();
+    ret = -1;
     return;
   }
   zone_pkey = *GNUNET_IDENTITY_ego_get_private_key (ego);
-  GNUNET_free (ego_name);
+  GNUNET_free_non_null (ego_name);
   ego_name = NULL;
   GNUNET_CLIENT_service_test ("namestore", cfg,
                              GNUNET_TIME_UNIT_SECONDS,
@@ -858,6 +802,72 @@ identity_cb (void *cls,
 }
 
 
+static void
+default_ego_cb (void *cls,
+    struct GNUNET_IDENTITY_Ego *ego,
+    void **ctx,
+    const char *name)
+{
+  get_default = NULL;
+  if (NULL == ego)
+  {
+    fprintf (stderr,
+             _("No default ego configured in identity service\n"));
+    GNUNET_SCHEDULER_shutdown ();
+    ret = -1;
+    return;
+  }
+  else
+  {
+    identity_cb (cls, ego);
+  }
+}
+
+static void
+id_connect_cb (void *cls,
+    struct GNUNET_IDENTITY_Ego *ego,
+    void **ctx,
+    const char *name)
+{
+  const struct GNUNET_CONFIGURATION_Handle *cfg = cls;
+  if (NULL == ego)
+  {
+    get_default = GNUNET_IDENTITY_get (idh, "namestore",
+        &default_ego_cb, (void *) cfg);
+  }
+}
+
+
+static void
+testservice_id_task (void *cls, int result)
+{
+  const struct GNUNET_CONFIGURATION_Handle *cfg = cls;
+  if (result != GNUNET_YES)
+  {
+    fprintf (stderr,
+             _("Identity service is not running\n"));
+    GNUNET_SCHEDULER_shutdown ();
+    ret = -1;
+    return;
+  }
+  GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
+                                &do_shutdown, (void *) cfg);
+
+  if (NULL == ego_name)
+  {
+    idh = GNUNET_IDENTITY_connect (cfg, &id_connect_cb, (void *) cfg);
+    if (NULL == idh)
+      fprintf (stderr, _("Cannot connect to identity service\n"));
+    ret = -1;
+    return;
+  }
+  el = GNUNET_IDENTITY_ego_lookup (cfg,
+                                   ego_name,
+                                   &identity_cb,
+                                   (void *) cfg);
+}
+
+
 /**
  * Main function that will be run.
  *
@@ -870,20 +880,13 @@ static void
 run (void *cls, char *const *args, const char *cfgfile,
      const struct GNUNET_CONFIGURATION_Handle *cfg)
 {
-  if (NULL == ego_name)
-  {
-    fprintf (stderr,
-            _("You must specify which zone should be accessed\n"));
-    return;
-  }
   if ( (NULL != args[0]) && (NULL == uri) )
     uri = GNUNET_strdup (args[0]);
-  GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
-                                &do_shutdown, NULL);
-  el = GNUNET_IDENTITY_ego_lookup (cfg,
-                                  ego_name,
-                                  &identity_cb,
-                                  (void *) cfg);
+
+  GNUNET_CLIENT_service_test ("identity", cfg,
+                              GNUNET_TIME_UNIT_SECONDS,
+                              &testservice_id_task,
+                              (void *) cfg);
 }
 
 
@@ -898,6 +901,7 @@ int
 main (int argc, char *const *argv)
 {
   public = -1;
+  shadow = -1;
 
   static const struct GNUNET_GETOPT_CommandLineOption options[] = {
     {'a', "add", NULL,
@@ -912,6 +916,9 @@ main (int argc, char *const *argv)
     {'e', "expiration", "TIME",
      gettext_noop ("expiration time for record to use (for adding only), \"never\" is possible"), 1,
      &GNUNET_GETOPT_set_string, &expirationstring},
+    {'i', "nick", "NICKNAME",
+     gettext_noop ("set the desired nick name for the zone"), 1,
+     &GNUNET_GETOPT_set_string, &nickstring},
     {'m', "monitor", NULL,
      gettext_noop ("monitor changes in the namestore"), 0,
      &GNUNET_GETOPT_set_one, &monitor},