GNUnet  0.11.x
plugin_rest_namestore.c
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1 /*
2  This file is part of GNUnet.
3  Copyright (C) 2012-2015 GNUnet e.V.
4 
5  GNUnet is free software: you can redistribute it and/or modify it
6  under the terms of the GNU Affero General Public License as published
7  by the Free Software Foundation, either version 3 of the License,
8  or (at your option) any later version.
9 
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  Affero General Public License for more details.
14 
15  You should have received a copy of the GNU Affero General Public License
16  along with this program. If not, see <http://www.gnu.org/licenses/>.
17 
18  SPDX-License-Identifier: AGPL3.0-or-later
19  */
27 #include "platform.h"
28 #include "gnunet_rest_plugin.h"
29 #include "gnunet_gns_service.h"
32 #include "gnunet_rest_lib.h"
33 #include "gnunet_json_lib.h"
34 #include "microhttpd.h"
35 #include <jansson.h>
36 
40 #define GNUNET_REST_API_NS_NAMESTORE "/namestore"
41 
45 #define GNUNET_REST_NAMESTORE_ERROR_UNKNOWN "Unknown Error"
46 
50 #define GNUNET_REST_IDENTITY_NOT_FOUND "No identity found"
51 
52 
56 #define GNUNET_REST_NAMESTORE_FAILED "Namestore action failed"
57 
61 #define GNUNET_REST_NAMESTORE_INVALID_DATA "Data invalid"
62 
66 #define GNUNET_REST_NAMESTORE_NO_DATA "No data"
67 
71 #define ID_REST_STATE_INIT 0
72 
76 #define ID_REST_STATE_POST_INIT 1
77 
81 
85 static char *allow_methods;
86 
90 struct Plugin
91 {
92  const struct GNUNET_CONFIGURATION_Handle *cfg;
93 };
94 
98 struct EgoEntry
99 {
103  struct EgoEntry *next;
104 
108  struct EgoEntry *prev;
109 
113  char *identifier;
114 
118  char *keystring;
119 
123  struct GNUNET_IDENTITY_Ego *ego;
124 };
125 
129 struct RequestHandle
130 {
134  char *record_name;
135 
140 
144  unsigned int rd_count;
145 
150 
154  json_t *resp_object;
155 
159  int state;
160 
165 
170 
175 
180 
184  struct EgoEntry *ego_head;
185 
189  struct EgoEntry *ego_tail;
190 
195 
200 
204  struct GNUNET_REST_RequestHandle *rest_handle;
205 
210 
215 
220 
224  void *proc_cls;
225 
229  char *url;
230 
234  char *emsg;
235 
239  int response_code;
240 };
241 
246 static void
247 cleanup_handle (void *cls)
248 {
249  struct RequestHandle *handle = cls;
250  struct EgoEntry *ego_entry;
251  struct EgoEntry *ego_tmp;
252 
253  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Cleaning up\n");
254  if (NULL != handle->timeout_task)
255  {
257  handle->timeout_task = NULL;
258  }
259  if (NULL != handle->record_name)
260  GNUNET_free (handle->record_name);
261  if (NULL != handle->url)
262  GNUNET_free (handle->url);
263  if (NULL != handle->emsg)
264  GNUNET_free (handle->emsg);
265  if (NULL != handle->rd)
266  {
267  for (int i = 0; i < handle->rd_count; i++)
268  {
269  if (NULL != handle->rd[i].data)
270  GNUNET_free ((void *) handle->rd[i].data);
271  }
272  GNUNET_free (handle->rd);
273  }
274  if (NULL != handle->timeout_task)
276  if (NULL != handle->list_it)
278  if (NULL != handle->add_qe)
280  if (NULL != handle->identity_handle)
282  if (NULL != handle->ns_handle)
283  {
285  }
286 
287  for (ego_entry = handle->ego_head; NULL != ego_entry;)
288  {
289  ego_tmp = ego_entry;
290  ego_entry = ego_entry->next;
291  GNUNET_free (ego_tmp->identifier);
292  GNUNET_free (ego_tmp->keystring);
293  GNUNET_free (ego_tmp);
294  }
295 
296  if (NULL != handle->resp_object)
297  {
298  json_decref (handle->resp_object);
299  }
300 
301  GNUNET_free (handle);
302 }
303 
304 
310 static void
311 do_error (void *cls)
312 {
313  struct RequestHandle *handle = cls;
314  struct MHD_Response *resp;
315  json_t *json_error = json_object ();
316  char *response;
317 
318  if (NULL == handle->emsg)
320 
321  json_object_set_new (json_error, "error", json_string (handle->emsg));
322 
323  if (0 == handle->response_code)
324  handle->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
325  response = json_dumps (json_error, 0);
326  resp = GNUNET_REST_create_response (response);
327  handle->proc (handle->proc_cls, resp, handle->response_code);
328  json_decref (json_error);
329  GNUNET_free (response);
331 }
332 
333 
343 struct EgoEntry *
345 {
346  struct EgoEntry *ego_entry;
347 
348  if (NULL != name)
349  {
350  for (ego_entry = handle->ego_head; NULL != ego_entry;
351  ego_entry = ego_entry->next)
352  {
353  if (0 != strcasecmp (name, ego_entry->identifier))
354  continue;
355  return ego_entry;
356  }
357  }
358  return NULL;
359 }
360 
361 
367 static void
369 {
370  struct RequestHandle *handle = cls;
371 
374  return;
375 }
376 
377 
385 static void
386 create_finished (void *cls, int32_t success, const char *emsg)
387 {
388  struct RequestHandle *handle = cls;
389  struct MHD_Response *resp;
390 
391  handle->add_qe = NULL;
392  if (GNUNET_YES != success)
393  {
394  if (NULL != emsg)
395  {
396  handle->emsg = GNUNET_strdup (emsg);
398  return;
399  }
400  handle->emsg = GNUNET_strdup ("Error storing records");
402  return;
403  }
404  resp = GNUNET_REST_create_response (NULL);
405  handle->proc (handle->proc_cls, resp, MHD_HTTP_NO_CONTENT);
407 }
408 
409 
417 static void
418 del_finished (void *cls, int32_t success, const char *emsg)
419 {
420  struct RequestHandle *handle = cls;
421 
422  handle->add_qe = NULL;
423  if (GNUNET_NO == success)
424  {
425  handle->response_code = MHD_HTTP_NOT_FOUND;
426  handle->emsg = GNUNET_strdup ("No record found");
428  return;
429  }
430  if (GNUNET_SYSERR == success)
431  {
432  if (NULL != emsg)
433  {
434  handle->emsg = GNUNET_strdup (emsg);
436  return;
437  }
438  handle->emsg = GNUNET_strdup ("Deleting record failed");
440  return;
441  }
442  handle->proc (handle->proc_cls,
444  MHD_HTTP_NO_CONTENT);
446 }
447 
448 
455 static void
457 {
458  struct RequestHandle *handle = cls;
459  char *result_str;
460  struct MHD_Response *resp;
461 
462  handle->list_it = NULL;
463 
464  if (NULL == handle->resp_object)
465  handle->resp_object = json_array ();
466 
467  result_str = json_dumps (handle->resp_object, 0);
468  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Result %s\n", result_str);
469  resp = GNUNET_REST_create_response (result_str);
470  handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
471  GNUNET_free_non_null (result_str);
473 }
474 
475 
481 static void
483  const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone_key,
484  const char *rname,
485  unsigned int rd_len,
486  const struct GNUNET_GNSRECORD_Data *rd)
487 {
488  struct RequestHandle *handle = cls;
489  json_t *record_obj;
490 
491  if (NULL == handle->resp_object)
492  handle->resp_object = json_array ();
493  record_obj = GNUNET_JSON_from_gnsrecord (rname,
494  rd,
495  rd_len);
496  json_array_append_new (handle->resp_object, record_obj);
498 }
499 
500 
508 void
510  const char *url,
511  void *cls)
512 {
513  struct RequestHandle *handle = cls;
514  struct EgoEntry *ego_entry;
515  char *egoname;
516 
517  egoname = NULL;
518  ego_entry = NULL;
519 
520  // set zone to name if given
521  if (strlen (GNUNET_REST_API_NS_NAMESTORE) < strlen (handle->url))
522  {
523  egoname = &handle->url[strlen (GNUNET_REST_API_NS_NAMESTORE) + 1];
524  ego_entry = get_egoentry_namestore (handle, egoname);
525 
526  if (NULL == ego_entry)
527  {
528  handle->response_code = MHD_HTTP_NOT_FOUND;
531  return;
532  }
533  }
534  if (NULL != ego_entry)
535  handle->zone_pkey = GNUNET_IDENTITY_ego_get_private_key (ego_entry->ego);
536 
537  handle->list_it =
539  handle->zone_pkey,
541  handle,
543  handle,
545  handle);
546  if (NULL == handle->list_it)
547  {
550  return;
551  }
552 }
553 
554 
555 static void
557 {
558  struct RequestHandle *handle = cls;
559 
562 }
563 
564 
565 static void
566 ns_lookup_cb (void *cls,
567  const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone,
568  const char *label,
569  unsigned int rd_count,
570  const struct GNUNET_GNSRECORD_Data *rd)
571 {
572  struct RequestHandle *handle = cls;
573  struct GNUNET_GNSRECORD_Data rd_new[rd_count + handle->rd_count];
574 
575  for (int i = 0; i < rd_count; i++)
576  rd_new[i] = rd[i];
577  for (int j = 0; j < handle->rd_count; j++)
578  rd_new[rd_count + j] = handle->rd[j];
579  handle->add_qe = GNUNET_NAMESTORE_records_store (handle->ns_handle,
580  handle->zone_pkey,
581  handle->record_name,
582  rd_count + handle->rd_count,
583  rd_new,
585  handle);
586  if (NULL == handle->add_qe)
587  {
590  return;
591  }
592 }
593 
594 
602 void
604  const char *url,
605  void *cls)
606 {
607  struct RequestHandle *handle = cls;
608  struct EgoEntry *ego_entry;
609  char *egoname;
610  json_t *data_js;
611  json_error_t err;
612 
613  char term_data[handle->rest_handle->data_size + 1];
614 
615  if (0 >= handle->rest_handle->data_size)
616  {
619  return;
620  }
621  term_data[handle->rest_handle->data_size] = '\0';
622  GNUNET_memcpy (term_data,
623  handle->rest_handle->data,
624  handle->rest_handle->data_size);
625  data_js = json_loads (term_data, JSON_DECODE_ANY, &err);
626  struct GNUNET_JSON_Specification gnsspec[] =
627  { GNUNET_JSON_spec_gnsrecord (&handle->rd, &handle->rd_count,
628  &handle->record_name),
630  if (GNUNET_OK != GNUNET_JSON_parse (data_js, gnsspec, NULL, NULL))
631  {
634  json_decref (data_js);
635  return;
636  }
637  GNUNET_JSON_parse_free (gnsspec);
638  if (0 >= strlen (handle->record_name))
639  {
642  json_decref (data_js);
643  return;
644  }
645  json_decref (data_js);
646 
647  egoname = NULL;
648  ego_entry = NULL;
649 
650  // set zone to name if given
651  if (strlen (GNUNET_REST_API_NS_NAMESTORE) < strlen (handle->url))
652  {
653  egoname = &handle->url[strlen (GNUNET_REST_API_NS_NAMESTORE) + 1];
654  ego_entry = get_egoentry_namestore (handle, egoname);
655 
656  if (NULL == ego_entry)
657  {
658  handle->response_code = MHD_HTTP_NOT_FOUND;
661  return;
662  }
663  }
664  if (NULL != ego_entry)
665  handle->zone_pkey = GNUNET_IDENTITY_ego_get_private_key (ego_entry->ego);
667  handle->zone_pkey,
668  handle->record_name,
670  handle,
671  &ns_lookup_cb,
672  handle);
673  if (NULL == handle->add_qe)
674  {
677  return;
678  }
679 }
680 
681 
689 void
691  const char *url,
692  void *cls)
693 {
694  struct RequestHandle *handle = cls;
695  struct GNUNET_HashCode key;
696  struct EgoEntry *ego_entry;
697  char *egoname;
698 
699  egoname = NULL;
700  ego_entry = NULL;
701 
702  // set zone to name if given
703  if (strlen (GNUNET_REST_API_NS_NAMESTORE) < strlen (handle->url))
704  {
705  egoname = &handle->url[strlen (GNUNET_REST_API_NS_NAMESTORE) + 1];
706  ego_entry = get_egoentry_namestore (handle, egoname);
707 
708  if (NULL == ego_entry)
709  {
710  handle->response_code = MHD_HTTP_NOT_FOUND;
713  return;
714  }
715  }
716  if (NULL != ego_entry)
717  handle->zone_pkey = GNUNET_IDENTITY_ego_get_private_key (ego_entry->ego);
718 
719  GNUNET_CRYPTO_hash ("record_name", strlen ("record_name"), &key);
720  if (GNUNET_NO ==
722  {
725  return;
726  }
727  handle->record_name = GNUNET_strdup (
729 
731  handle->zone_pkey,
732  handle->record_name,
733  0,
734  NULL,
735  &del_finished,
736  handle);
737  if (NULL == handle->add_qe)
738  {
741  return;
742  }
743 }
744 
745 
753 static void
755  const char *url,
756  void *cls)
757 {
758  struct MHD_Response *resp;
759  struct RequestHandle *handle = cls;
760 
761  // independent of path return all options
762  resp = GNUNET_REST_create_response (NULL);
763  MHD_add_response_header (resp, "Access-Control-Allow-Methods", allow_methods);
764  handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
766  return;
767 }
768 
769 
775 static void
777 {
779  static const struct GNUNET_REST_RequestHandler handlers[] =
780  { { MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_NAMESTORE, &namestore_get },
781  { MHD_HTTP_METHOD_POST, GNUNET_REST_API_NS_NAMESTORE, &namestore_add },
782  { MHD_HTTP_METHOD_DELETE, GNUNET_REST_API_NS_NAMESTORE, &namestore_delete },
783  { MHD_HTTP_METHOD_OPTIONS, GNUNET_REST_API_NS_NAMESTORE, &options_cont },
785 
786  if (GNUNET_NO ==
787  GNUNET_REST_handle_request (handle->rest_handle, handlers, &err, handle))
788  {
789  handle->response_code = err.error_code;
791  }
792 }
793 
794 
826 static void
827 id_connect_cb (void *cls,
828  struct GNUNET_IDENTITY_Ego *ego,
829  void **ctx,
830  const char *name)
831 {
832  struct RequestHandle *handle = cls;
833  struct EgoEntry *ego_entry;
835 
836  if ((NULL == ego) && (ID_REST_STATE_INIT == handle->state))
837  {
838  handle->state = ID_REST_STATE_POST_INIT;
839  init_cont (handle);
840  return;
841  }
842  if (ID_REST_STATE_INIT == handle->state)
843  {
844  ego_entry = GNUNET_new (struct EgoEntry);
847  ego_entry->ego = ego;
848  GNUNET_asprintf (&ego_entry->identifier, "%s", name);
850  handle->ego_tail,
851  ego_entry);
852  }
853 }
854 
855 
867 static void
870  void *proc_cls)
871 {
872  struct RequestHandle *handle = GNUNET_new (struct RequestHandle);
873 
874  handle->response_code = 0;
876  handle->proc_cls = proc_cls;
877  handle->proc = proc;
878  handle->rest_handle = rest_handle;
879  handle->zone_pkey = NULL;
880 
881  handle->url = GNUNET_strdup (rest_handle->url);
882  if (handle->url[strlen (handle->url) - 1] == '/')
883  handle->url[strlen (handle->url) - 1] = '\0';
884  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connecting...\n");
885 
886  handle->ns_handle = GNUNET_NAMESTORE_connect (cfg);
887  handle->identity_handle =
888  GNUNET_IDENTITY_connect (cfg, &id_connect_cb, handle);
889  handle->timeout_task =
890  GNUNET_SCHEDULER_add_delayed (handle->timeout, &do_error, handle);
891 
892  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connected\n");
893 }
894 
895 
902 void *
904 {
905  static struct Plugin plugin;
906  struct GNUNET_REST_Plugin *api;
907 
908  cfg = cls;
909  if (NULL != plugin.cfg)
910  return NULL; /* can only initialize once! */
911  memset (&plugin, 0, sizeof(struct Plugin));
912  plugin.cfg = cfg;
913  api = GNUNET_new (struct GNUNET_REST_Plugin);
914  api->cls = &plugin;
918  "%s, %s, %s, %s, %s",
919  MHD_HTTP_METHOD_GET,
920  MHD_HTTP_METHOD_POST,
921  MHD_HTTP_METHOD_PUT,
922  MHD_HTTP_METHOD_DELETE,
923  MHD_HTTP_METHOD_OPTIONS);
924 
925  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, _ ("Namestore REST API initialized\n"));
926  return api;
927 }
928 
929 
936 void *
938 {
939  struct GNUNET_REST_Plugin *api = cls;
940  struct Plugin *plugin = api->cls;
941 
942  plugin->cfg = NULL;
943 
945  GNUNET_free (api);
946  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Namestore REST plugin is finished\n");
947  return NULL;
948 }
949 
950 
951 /* end of plugin_rest_namestore.c */
struct GNUNET_IDENTITY_Handle * GNUNET_IDENTITY_connect(const struct GNUNET_CONFIGURATION_Handle *cfg, GNUNET_IDENTITY_Callback cb, void *cb_cls)
Connect to the identity service.
Definition: identity_api.c:527
void * cls
Closure for parser and cleaner.
char * name
Plugin name.
void(* GNUNET_REST_ResultProcessor)(void *cls, struct MHD_Response *resp, int status)
Iterator called on obtained result for a REST result.
#define GNUNET_REST_NAMESTORE_FAILED
Error message Failed request.
#define GNUNET_REST_NAMESTORE_ERROR_UNKNOWN
Error message Unknown Error.
struct EgoEntry * ego_tail
Ego list.
const struct GNUNET_CONFIGURATION_Handle * cfg
The configuration handle.
functions to parse JSON objects into GNUnet objects
static void namestore_iteration_error(void *cls)
Does internal server error when iteration failed.
void namestore_delete(struct GNUNET_REST_RequestHandle *con_handle, const char *url, void *cls)
Handle namestore DELETE request.
void * cls
The closure of the plugin.
void * libgnunet_plugin_rest_namestore_done(void *cls)
Exit point from the plugin.
size_t data_size
The POST data size.
struct GNUNET_NAMESTORE_QueueEntry * GNUNET_NAMESTORE_records_lookup(struct GNUNET_NAMESTORE_Handle *h, const struct GNUNET_CRYPTO_EcdsaPrivateKey *pkey, const char *label, GNUNET_SCHEDULER_TaskCallback error_cb, void *error_cb_cls, GNUNET_NAMESTORE_RecordMonitor rm, void *rm_cls)
Lookup an item in the namestore.
struct GNUNET_NAMESTORE_ZoneIterator * GNUNET_NAMESTORE_zone_iteration_start(struct GNUNET_NAMESTORE_Handle *h, const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone, GNUNET_SCHEDULER_TaskCallback error_cb, void *error_cb_cls, GNUNET_NAMESTORE_RecordMonitor proc, void *proc_cls, GNUNET_SCHEDULER_TaskCallback finish_cb, void *finish_cb_cls)
Starts a new zone iteration (used to periodically PUT all of our records into our DHT)...
struct EgoEntry * get_egoentry_namestore(struct RequestHandle *handle, char *name)
Get EgoEntry from list with either a public key or a name If public key and name are not NULL...
GNUNET_REST_ResultProcessor proc
The plugin result processor.
void * libgnunet_plugin_rest_namestore_init(void *cls)
Entry point for the plugin.
void GNUNET_JSON_parse_free(struct GNUNET_JSON_Specification *spec)
Frees all elements allocated during a GNUNET_JSON_parse() operation.
Definition: json.c:100
static void id_connect_cb(void *cls, struct GNUNET_IDENTITY_Ego *ego, void **ctx, const char *name)
This function is initially called for all egos and then again whenever a ego&#39;s identifier changes or ...
const struct GNUNET_CONFIGURATION_Handle * cfg
Our configuration.
const struct GNUNET_CRYPTO_EcdsaPrivateKey * GNUNET_IDENTITY_ego_get_private_key(const struct GNUNET_IDENTITY_Ego *ego)
Obtain the ECC key associated with a ego.
Definition: identity_api.c:555
static void create_finished(void *cls, int32_t success, const char *emsg)
Create finished callback.
#define GNUNET_memcpy(dst, src, n)
Call memcpy() but check for n being 0 first.
struct returned by the initialization function of the plugin
#define GNUNET_NO
Definition: gnunet_common.h:78
Entry in parser specification for GNUNET_JSON_parse().
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
static void ns_lookup_error_cb(void *cls)
#define GNUNET_free_non_null(ptr)
Free the memory pointed to by ptr if ptr is not NULL.
#define GNUNET_new(type)
Allocate a struct or union of the given type.
void GNUNET_NAMESTORE_zone_iterator_next(struct GNUNET_NAMESTORE_ZoneIterator *it, uint64_t limit)
Calls the record processor specified in GNUNET_NAMESTORE_zone_iteration_start for the next record...
Private ECC key encoded for transmission.
struct GNUNET_NAMESTORE_QueueEntry * add_qe
NAMESTORE Operation.
int GNUNET_CONTAINER_multihashmap_contains(const struct GNUNET_CONTAINER_MultiHashMap *map, const struct GNUNET_HashCode *key)
Check if the map contains any value under the given key (including values that are NULL)...
void(* process_request)(struct GNUNET_REST_RequestHandle *handle, GNUNET_REST_ResultProcessor proc, void *proc_cls)
Function to process a REST call.
#define GNUNET_strdup(a)
Wrapper around GNUNET_xstrdup_.
void * proc_cls
The closure of the result processor.
static void namestore_list_iteration(void *cls, const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone_key, const char *rname, unsigned int rd_len, const struct GNUNET_GNSRECORD_Data *rd)
Create a response with requested records.
Handle for an operation with the identity service.
Definition: identity_api.c:39
#define GNUNET_REST_HANDLER_END
static void rest_process_request(struct GNUNET_REST_RequestHandle *rest_handle, GNUNET_REST_ResultProcessor proc, void *proc_cls)
Function processing the REST call.
static struct GNUNET_DNSSTUB_Context * ctx
Context for DNS resolution.
struct GNUNET_BLOCK_PluginFunctions * api
Plugin API.
Definition: block.c:47
The request handle.
void GNUNET_NAMESTORE_cancel(struct GNUNET_NAMESTORE_QueueEntry *qe)
Cancel a namestore operation.
void * GNUNET_CONTAINER_multihashmap_get(const struct GNUNET_CONTAINER_MultiHashMap *map, const struct GNUNET_HashCode *key)
Given a key find a value in the map matching the key.
#define _(String)
GNU gettext support macro.
Definition: platform.h:181
struct GNUNET_NAMESTORE_QueueEntry * GNUNET_NAMESTORE_records_store(struct GNUNET_NAMESTORE_Handle *h, const struct GNUNET_CRYPTO_EcdsaPrivateKey *pkey, const char *label, unsigned int rd_count, const struct GNUNET_GNSRECORD_Data *rd, GNUNET_NAMESTORE_ContinuationWithStatus cont, void *cont_cls)
Store an item in the namestore.
The ego list.
static char * zone
Name of the zone we manage.
void namestore_add(struct GNUNET_REST_RequestHandle *con_handle, const char *url, void *cls)
Handle namestore POST request.
struct GNUNET_IDENTITY_Ego * ego
The Ego.
void GNUNET_NAMESTORE_disconnect(struct GNUNET_NAMESTORE_Handle *h)
Disconnect from the namestore service (and free associated resources).
struct GNUNET_NAMESTORE_ZoneIterator * list_it
Handle to NAMESTORE it.
int GNUNET_asprintf(char **buf, const char *format,...)
Like asprintf, just portable.
Handle for a zone iterator operation.
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_delayed(struct GNUNET_TIME_Relative delay, GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run with a specified delay.
Definition: scheduler.c:1253
Handle for an ego.
Definition: identity.h:245
char * record_name
Records to store.
enum State state
current state of profiling
json_t * resp_object
Response object.
static struct GNUNET_TIME_Relative timeout
Desired timeout for the lookup (default is no timeout).
Definition: gnunet-abd.c:61
const void * data
Binary value stored in the DNS record.
static void ns_lookup_cb(void *cls, const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone, const char *label, unsigned int rd_count, const struct GNUNET_GNSRECORD_Data *rd)
char * emsg
Error response message.
int GNUNET_JSON_parse(const json_t *root, struct GNUNET_JSON_Specification *spec, const char **error_json_name, unsigned int *error_line)
Navigate and parse data in a JSON tree.
Definition: json.c:45
struct GNUNET_CONTAINER_MultiHashMap * url_param_map
Map of url parameters.
#define GNUNET_REST_IDENTITY_NOT_FOUND
Error message No identity found.
void GNUNET_CRYPTO_hash(const void *block, size_t size, struct GNUNET_HashCode *ret)
Compute hash of a given block.
Definition: crypto_hash.c:48
const char * url
The url as string.
Connection to the NAMESTORE service.
Handle for the service.
Definition: identity_api.c:95
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_now(GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run as soon as possible.
Definition: scheduler.c:1280
char * name
Plugin name.
struct GNUNET_TIME_Relative timeout
Desired timeout for the lookup (default is no timeout).
unsigned int rd_count
Number of records in rd.
static struct GNUNET_IDENTITY_Handle * identity_handle
Identity handle.
static struct GNUNET_DNS_Handle * handle
Handle to transport service.
#define GNUNET_TIME_UNIT_FOREVER_REL
Constant used to specify "forever".
void GNUNET_IDENTITY_disconnect(struct GNUNET_IDENTITY_Handle *h)
Disconnect from identity service.
Definition: identity_api.c:837
static void options_cont(struct GNUNET_REST_RequestHandle *con_handle, const char *url, void *cls)
Respond to OPTIONS request.
static void namestore_list_finished(void *cls)
Iteration over all results finished, build final response.
json_t * GNUNET_JSON_from_gnsrecord(const char *rname, const struct GNUNET_GNSRECORD_Data *rd, unsigned int rd_count)
Convert Gns record to JSON.
int GNUNET_REST_handle_request(struct GNUNET_REST_RequestHandle *conn, const struct GNUNET_REST_RequestHandler *handlers, struct GNUNET_REST_RequestHandlerError *err, void *cls)
Definition: rest.c:77
void GNUNET_NAMESTORE_zone_iteration_stop(struct GNUNET_NAMESTORE_ZoneIterator *it)
Stops iteration and releases the namestore handle for further calls.
A 512-bit hashcode.
struct GNUNET_REST_RequestHandle * rest_handle
Rest connection.
int response_code
Response code.
int state
The processing state.
#define GNUNET_REST_NAMESTORE_NO_DATA
Error message No data.
static char * plugin
Solver plugin name as string.
char * GNUNET_CRYPTO_ecdsa_public_key_to_string(const struct GNUNET_CRYPTO_EcdsaPublicKey *pub)
Convert a public key to a string.
Definition: crypto_ecc.c:332
const char * data
The POST data.
char * keystring
Public key string.
#define GNUNET_SYSERR
Definition: gnunet_common.h:76
An QueueEntry used to store information for a pending NAMESTORE record operation. ...
Definition: namestore_api.c:53
static char * allow_methods
HTTP methods allows for this plugin.
static void cleanup_handle(void *cls)
Cleanup lookup handle.
#define ID_REST_STATE_INIT
State while collecting all egos.
const struct GNUNET_CRYPTO_EcdsaPrivateKey * zone_pkey
Private key for the zone.
struct GNUNET_JSON_Specification GNUNET_JSON_spec_gnsrecord(struct GNUNET_GNSRECORD_Data **rd, unsigned int *rd_count, char **name)
JSON Specification for GNS Records.
static void do_error(void *cls)
Task run on errors.
struct GNUNET_NAMESTORE_Handle * GNUNET_NAMESTORE_connect(const struct GNUNET_CONFIGURATION_Handle *cfg)
Connect to the namestore service.
#define GNUNET_CONTAINER_DLL_insert_tail(head, tail, element)
Insert an element at the tail of a DLL.
static struct GNUNET_SCHEDULER_Task * timeout_task
Task to be run on timeout.
Definition: gnunet-arm.c:124
static struct Ego * ego_head
Head of DLL of all egos.
void GNUNET_IDENTITY_ego_get_public_key(const struct GNUNET_IDENTITY_Ego *ego, struct GNUNET_CRYPTO_EcdsaPublicKey *pk)
Get the identifier (public key) of an ego.
Definition: identity_api.c:568
#define GNUNET_REST_NAMESTORE_INVALID_DATA
Error message invalid data.
char * identifier
Ego Identifier.
#define ID_REST_STATE_POST_INIT
Done collecting egos.
void namestore_get(struct GNUNET_REST_RequestHandle *con_handle, const char *url, void *cls)
Handle namestore GET request.
struct GNUNET_NAMESTORE_Handle * ns_handle
Handle to NAMESTORE.
configuration data
Definition: configuration.c:85
struct EgoEntry * ego_head
Ego list.
Handle for a plugin.
Definition: block.c:37
struct GNUNET_SCHEDULER_Task * timeout_task
ID of a task associated with the resolution process.
struct MHD_Response * GNUNET_REST_create_response(const char *data)
Create REST MHD response.
Definition: rest.c:57
Public ECC key (always for Curve25519) encoded in a format suitable for network transmission and ECDS...
#define GNUNET_REST_API_NS_NAMESTORE
Namestore Namespace.
#define GNUNET_log(kind,...)
Entry in list of pending tasks.
Definition: scheduler.c:134
static struct MHD_Response * response
Our canonical response.
struct GNUNET_GNSRECORD_Data * rd
Records to store.
static void del_finished(void *cls, int32_t success, const char *emsg)
Delete finished callback.
#define GNUNET_YES
Definition: gnunet_common.h:77
struct EgoEntry * prev
DLL.
struct GNUNET_JSON_Specification GNUNET_JSON_spec_end(void)
End of a parser specification.
Definition: json_helper.c:35
static void init_cont(struct RequestHandle *handle)
Handle rest request.
static struct Ego * ego_tail
Tail of DLL of all egos.
static struct GNUNET_ARM_Operation * op
Current operation.
Definition: gnunet-arm.c:144
struct EgoEntry * ego_entry
IDENTITY Operation.
struct EgoEntry * next
DLL.
struct GNUNET_IDENTITY_Handle * identity_handle
Handle to Identity service.
#define GNUNET_free(ptr)
Wrapper around free.
Time for relative time used by GNUnet, in microseconds.
void * GNUNET_SCHEDULER_cancel(struct GNUNET_SCHEDULER_Task *task)
Cancel the task with the specified identifier.
Definition: scheduler.c:966
char * url
The url.