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[GNUnet-SVN] r28580 - in gnunet/src: gns include


From: gnunet
Subject: [GNUnet-SVN] r28580 - in gnunet/src: gns include
Date: Tue, 13 Aug 2013 19:48:54 +0200

Author: grothoff
Date: 2013-08-13 19:48:54 +0200 (Tue, 13 Aug 2013)
New Revision: 28580

Modified:
   gnunet/src/gns/gns_api.c
   gnunet/src/gns/gnunet-gns.c
   gnunet/src/include/gnunet_gns_service.h
Log:
-more work on simplified GNS API implementation

Modified: gnunet/src/gns/gns_api.c
===================================================================
--- gnunet/src/gns/gns_api.c    2013-08-13 17:47:48 UTC (rev 28579)
+++ gnunet/src/gns/gns_api.c    2013-08-13 17:48:54 UTC (rev 28580)
@@ -489,7 +489,7 @@
  * @param lr the lookup request to cancel
  */
 void
-GNUNET_GNS_cancel_lookup_request (struct GNUNET_GNS_LookupRequest *lr)
+GNUNET_GNS_lookup_cancel (struct GNUNET_GNS_LookupRequest *lr)
 {
   struct PendingMessage *p = (struct PendingMessage*) &lr[1];
 
@@ -519,14 +519,14 @@
  * @return handle to the get request
  */
 struct GNUNET_GNS_LookupRequest*
-GNUNET_GNS_lookup_zone (struct GNUNET_GNS_Handle *handle,
-                       const char *name,
-                       struct GNUNET_CRYPTO_ShortHashCode *zone,
-                       int type,
-                       int only_cached,
-                       struct GNUNET_CRYPTO_EccPrivateKey *shorten_key,
-                       GNUNET_GNS_LookupResultProcessor proc,
-                       void *proc_cls)
+GNUNET_GNS_lookup (struct GNUNET_GNS_Handle *handle,
+                  const char *name,
+                  const struct GNUNET_CRYPTO_EccPublicKey *zone,
+                  int type,
+                  int only_cached,
+                  const struct GNUNET_CRYPTO_EccPrivateKey *shorten_key,
+                  GNUNET_GNS_LookupResultProcessor proc,
+                  void *proc_cls)
 {
   /* IPC to shorten gns names, return shorten_handle */
   struct GNUNET_GNS_ClientLookupMessage *lookup_msg;
@@ -566,11 +566,7 @@
   lookup_msg->header.size = htons (msize);
   lookup_msg->id = htonl (lr->r_id);
   lookup_msg->only_cached = htonl (only_cached);
-  if (NULL != zone)
-  {
-    lookup_msg->have_zone = htonl (GNUNET_YES);
-    lookup_msg->zone = *zone;
-  }
+  lookup_msg->zone = *zone;
   lookup_msg->type = htonl (type);
   if (NULL != shorten_key)
   {

Modified: gnunet/src/gns/gnunet-gns.c
===================================================================
--- gnunet/src/gns/gnunet-gns.c 2013-08-13 17:47:48 UTC (rev 28579)
+++ gnunet/src/gns/gnunet-gns.c 2013-08-13 17:48:54 UTC (rev 28580)
@@ -1,6 +1,6 @@
 /*
      This file is part of GNUnet.
-     (C) 2012 Christian Grothoff (and other contributing authors)
+     (C) 2012-2013 Christian Grothoff (and other contributing authors)
 
      GNUnet is free software; you can redistribute it and/or modify
      it under the terms of the GNU General Public License as published
@@ -35,11 +35,6 @@
 static struct GNUNET_GNS_Handle *gns;
 
 /**
- * GNS name to shorten. (-s option)
- */
-static char *shorten_name;
-
-/**
  * GNS name to lookup. (-u option)
  */
 static char *lookup_name;
@@ -50,11 +45,6 @@
 static char *lookup_type;
 
 /**
- * name to look up authority for (-a option)
- */
-static char *auth_name;
-
-/**
  * raw output
  */
 static int raw;
@@ -69,18 +59,8 @@
  */
 static struct GNUNET_GNS_LookupRequest *lookup_request;
 
-/**
- * Handle to shorten request 
- */
-static struct GNUNET_GNS_ShortenRequest *shorten_request;
 
 /**
- * Handle to get authority request
- */
-static struct GNUNET_GNS_GetAuthRequest *getauth_request;
-
-
-/**
  * Task run on shutdown.  Cleans up everything.
  *
  * @param cls unused
@@ -92,19 +72,9 @@
 {
   if (NULL != lookup_request)
   {
-    GNUNET_GNS_cancel_lookup_request (lookup_request);
+    GNUNET_GNS_lookup_cancel (lookup_request);
     lookup_request = NULL;
   }
-  if (NULL != shorten_request)
-  {
-    GNUNET_GNS_cancel_shorten_request (shorten_request);
-    shorten_request = NULL;
-  }
-  if (NULL != getauth_request)
-  {
-    GNUNET_GNS_cancel_get_auth_request (getauth_request);
-    getauth_request = NULL;
-  }
   if (NULL != gns)
   {
     GNUNET_GNS_disconnect (gns);
@@ -114,27 +84,6 @@
 
 
 /**
- * Function called with the result of a shorten operation.
- * Prints the result.
- *
- * @param cls a 'const char *' with the original (long) name
- * @param nshort the shortened name
- */
-static void
-process_shorten_result (void* cls, const char *nshort)
-{
-  const char *original_name = cls;
-
-  shorten_request = NULL;
-  if (raw)
-    printf("%s", nshort);
-  else
-    printf("%s shortened to %s\n", original_name, nshort);
-  GNUNET_SCHEDULER_shutdown ();
-}
-
-
-/**
  * Function called with the result of a GADS lookup.
  *
  * @param cls the 'const char *' name that was resolved
@@ -142,21 +91,22 @@
  * @param rd array of '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_NAMESTORE_RecordData *rd)
 {
-  const char* name = cls;
+  const char *name = cls;
   uint32_t i;
-  const char* typename;
+  const char *typename;
   char* string_val;
 
   lookup_request = NULL; 
   if (!raw) 
   {
     if (0 == rd_count)
-      printf("No results.\n");
+      printf ("No results.\n");
     else
-      printf("%s:\n", name);
+      printf ("%s:\n", 
+             name);
   }
   for (i=0; i<rd_count; i++)
   {
@@ -165,9 +115,12 @@
                                                   rd[i].data,
                                                   rd[i].data_size);
     if (raw)
-      printf ("%s\n", string_val);
+      printf ("%s\n", 
+             string_val);
     else
-      printf ("Got `%s' record: %s\n", typename, string_val);
+      printf ("Got `%s' record: %s\n",
+             typename, 
+             string_val);
     GNUNET_free_non_null (string_val);
   }
   GNUNET_SCHEDULER_shutdown ();
@@ -175,23 +128,6 @@
 
 
 /**
- * Function called with the result of an authority lookup.
- *
- * @param cls the 'const char *' with the name for which the
- *            authority was resolved
- * @param auth name of the authority
- */
-static void
-process_auth_result (void* cls, 
-                    const char *auth)
-{
-  getauth_request = NULL;
-  printf ("%s\n", auth);
-  GNUNET_SCHEDULER_shutdown ();
-}
-
-
-/**
  * Main function that will be run.
  *
  * @param cls closure
@@ -203,16 +139,10 @@
 run (void *cls, char *const *args, const char *cfgfile,
      const struct GNUNET_CONFIGURATION_Handle *cfg)
 {
-  char* keyfile;
-  struct GNUNET_CRYPTO_EccPrivateKey *key = NULL;
+  char *keyfile;
+  struct GNUNET_CRYPTO_EccPrivateKey *key;
   struct GNUNET_CRYPTO_EccPublicKey pkey;
-  struct GNUNET_CRYPTO_ShortHashCode *zone = NULL;
-  struct GNUNET_CRYPTO_ShortHashCode user_zone;
-  struct GNUNET_CRYPTO_ShortHashAsciiEncoded zonename;
-  struct GNUNET_CRYPTO_EccPrivateKey *shorten_key = NULL;
-  struct GNUNET_CRYPTO_EccPrivateKey *private_key = NULL;
-  struct GNUNET_CRYPTO_ShortHashCode *private_zone = NULL;
-  struct GNUNET_CRYPTO_ShortHashCode *shorten_zone = NULL;
+  struct GNUNET_CRYPTO_EccPrivateKey *shorten_key;
 
   gns = GNUNET_GNS_connect (cfg);
   if (NULL == gns)
@@ -224,118 +154,55 @@
   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
                                                            "ZONEKEY", 
&keyfile))
   {
-    if (! raw)
-      GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-                  "No private key for root zone found, using default!\n");
+    fprintf (stderr,
+            "Need zone to perform lookup in!\n");
+    GNUNET_SCHEDULER_shutdown ();
+    return;
   }
-  else
-  {
-    key = GNUNET_CRYPTO_ecc_key_create_from_file (keyfile);
-    GNUNET_CRYPTO_ecc_key_get_public (key, &pkey);
-    GNUNET_CRYPTO_short_hash (&pkey,
-                             sizeof(struct GNUNET_CRYPTO_EccPublicKey),
-                             &user_zone);
-    zone = &user_zone;
-    GNUNET_CRYPTO_short_hash_to_enc (zone, &zonename);
-    if (!raw)
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                 "Using zone: %s!\n", &zonename);
-    GNUNET_CRYPTO_ecc_key_free (key);  
-    GNUNET_free(keyfile);
-  }
+  /* FIXME: use identity service and/or allow user to specify public key! */
+  key = GNUNET_CRYPTO_ecc_key_create_from_file (keyfile);
+  GNUNET_CRYPTO_ecc_key_get_public (key, &pkey);
+  GNUNET_CRYPTO_ecc_key_free (key);  
+  GNUNET_free (keyfile);
   
-  if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
-                                                           "SHORTEN_ZONEKEY", 
&keyfile))
+  if (GNUNET_OK != 
+      GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
+                                              "SHORTEN_ZONEKEY", &keyfile))
   {
-    if (! raw)
-      GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-                  "No shorten key found!\n");
+    shorten_key = NULL;
   }
   else
   {
+    // FIXME: use identity service!
     shorten_key = GNUNET_CRYPTO_ecc_key_create_from_file (keyfile);
-    GNUNET_CRYPTO_ecc_key_get_public (shorten_key, &pkey);
-    shorten_zone = GNUNET_malloc (sizeof (struct GNUNET_CRYPTO_ShortHashCode));
-    GNUNET_CRYPTO_short_hash(&pkey,
-                            sizeof(struct GNUNET_CRYPTO_EccPublicKey),
-                            shorten_zone);
-    GNUNET_CRYPTO_short_hash_to_enc (shorten_zone, &zonename);
-    if (! raw)
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                 "Using shorten zone: %s!\n", &zonename);
     GNUNET_free (keyfile);
   }
     
-  if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
-                                                           "PRIVATE_ZONEKEY", 
&keyfile))
-  {
-    if (! raw)
-      GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-                  "No private zone key file name specified in 
configuration!\n");
-  }
-  else
-  {
-    private_key = GNUNET_CRYPTO_ecc_key_create_from_file (keyfile);
-    GNUNET_CRYPTO_ecc_key_get_public (private_key, &pkey);
-    private_zone = GNUNET_new (struct GNUNET_CRYPTO_ShortHashCode);
-    GNUNET_CRYPTO_short_hash (&pkey,
-                             sizeof(struct GNUNET_CRYPTO_EccPublicKey),
-                             private_zone);
-    GNUNET_CRYPTO_short_hash_to_enc (private_zone, &zonename);
-    if (! raw)
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                 "Using private zone: %s!\n", &zonename);
-    GNUNET_CRYPTO_ecc_key_free (private_key);
-  }
-  
   if (NULL != lookup_type)
     rtype = GNUNET_NAMESTORE_typename_to_number (lookup_type);
   else
     rtype = GNUNET_DNSPARSER_TYPE_A;
 
-  if ( (NULL != shorten_name) && 
-       (NULL != shorten_zone) && 
-       (NULL != private_zone) )
-  {
-    shorten_request = GNUNET_GNS_shorten_zone (gns, shorten_name,
-                                              private_zone,
-                                              shorten_zone,
-                                              zone,
-                                              &process_shorten_result,
-                                              shorten_name);
-  }
   if (NULL != lookup_name)
   {
-    lookup_request = GNUNET_GNS_lookup_zone (gns, lookup_name,
-                                            zone,
-                                            rtype,
-                                            GNUNET_NO, /* Use DHT */
-                                            shorten_key,
-                                            &process_lookup_result, 
-                                            lookup_name);
+    lookup_request = GNUNET_GNS_lookup (gns, 
+                                       lookup_name,
+                                       &pkey,
+                                       rtype,
+                                       GNUNET_NO, /* Use DHT */
+                                       shorten_key,
+                                       &process_lookup_result, 
+                                       lookup_name);
   }
-  if (NULL != auth_name)
+  else
   {
-    getauth_request = GNUNET_GNS_get_authority (gns, auth_name,
-                                               &process_auth_result, 
auth_name);
-  }
-
-  if (NULL != shorten_key)
-    GNUNET_CRYPTO_ecc_key_free (shorten_key);
-  if (NULL != shorten_zone)
-    GNUNET_free (shorten_zone);
-  if (NULL != private_zone)
-    GNUNET_free (private_zone);
-  
-  if ( (NULL == auth_name) &&
-       (NULL == shorten_name) &&
-       (NULL == lookup_name))
-  {
     fprintf (stderr,
-            _("Please specify lookup, shorten or authority operation!\n"));
+            _("Please specify name to lookup!\n"));
     GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
     return;
   }
+  if (NULL != shorten_key)
+    GNUNET_CRYPTO_ecc_key_free (shorten_key);
   GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
                                &do_shutdown, NULL);
 }
@@ -352,15 +219,9 @@
 main (int argc, char *const *argv)
 {
   static const struct GNUNET_GETOPT_CommandLineOption options[] = {
-    {'s', "shorten", "NAME",
-     gettext_noop ("try to shorten a given name"), 1,
-     &GNUNET_GETOPT_set_string, &shorten_name},
     {'u', "lookup", "NAME",
       gettext_noop ("Lookup a record for the given name"), 1,
       &GNUNET_GETOPT_set_string, &lookup_name},
-    {'a', "authority", "NAME",
-      gettext_noop ("Get the authority of a particular name"), 1,
-      &GNUNET_GETOPT_set_string, &auth_name},
     {'t', "type", "TYPE",
       gettext_noop ("Specify the type of the record to lookup"), 1,
       &GNUNET_GETOPT_set_string, &lookup_type},
@@ -378,7 +239,7 @@
   ret =
       (GNUNET_OK ==
        GNUNET_PROGRAM_run (argc, argv, "gnunet-gns",
-                           _("GNUnet GNS access tool"), 
+                           _("GNUnet GNS resolver tool"), 
                           options,
                            &run, NULL)) ? 0 : 1;
   GNUNET_free ((void*) argv);

Modified: gnunet/src/include/gnunet_gns_service.h
===================================================================
--- gnunet/src/include/gnunet_gns_service.h     2013-08-13 17:47:48 UTC (rev 
28579)
+++ gnunet/src/include/gnunet_gns_service.h     2013-08-13 17:48:54 UTC (rev 
28580)
@@ -110,7 +110,7 @@
                   const struct GNUNET_CRYPTO_EccPublicKey *zone,
                   int type,
                   int only_cached,
-                  struct GNUNET_CRYPTO_EccPrivateKey *shorten_zone_key,
+                  const struct GNUNET_CRYPTO_EccPrivateKey *shorten_zone_key,
                   GNUNET_GNS_LookupResultProcessor proc,
                   void *proc_cls);
 
@@ -121,7 +121,7 @@
  * @param lr the lookup request to cancel
  */
 void
-GNUNET_GNS_cancel_lookup_request (struct GNUNET_GNS_LookupRequest *lr);
+GNUNET_GNS_lookup_cancel (struct GNUNET_GNS_LookupRequest *lr);
 
 
 #if 0                           /* keep Emacsens' auto-indent happy */




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