GNUnet  0.10.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  if (NULL != name)
348  {
349  for (ego_entry = handle->ego_head; NULL != ego_entry;
350  ego_entry = ego_entry->next)
351  {
352  if (0 != strcasecmp (name, ego_entry->identifier))
353  continue;
354  return ego_entry;
355  }
356  }
357  return NULL;
358 }
359 
360 
366 static void
368 {
369  struct RequestHandle *handle = cls;
372  return;
373 }
374 
375 
383 static void
384 create_finished (void *cls, int32_t success, const char *emsg)
385 {
386  struct RequestHandle *handle = cls;
387  struct MHD_Response *resp;
388 
389  handle->add_qe = NULL;
390  if (GNUNET_YES != success)
391  {
392  if (NULL != emsg)
393  {
394  handle->emsg = GNUNET_strdup (emsg);
396  return;
397  }
398  handle->emsg = GNUNET_strdup ("Error storing records");
400  return;
401  }
402  resp = GNUNET_REST_create_response (NULL);
403  handle->proc (handle->proc_cls, resp, MHD_HTTP_NO_CONTENT);
405 }
406 
407 
415 static void
416 del_finished (void *cls, int32_t success, const char *emsg)
417 {
418  struct RequestHandle *handle = cls;
419 
420  handle->add_qe = NULL;
421  if (GNUNET_NO == success)
422  {
423  handle->response_code = MHD_HTTP_NOT_FOUND;
424  handle->emsg = GNUNET_strdup ("No record found");
426  return;
427  }
428  if (GNUNET_SYSERR == success)
429  {
430  if (NULL != emsg)
431  {
432  handle->emsg = GNUNET_strdup (emsg);
434  return;
435  }
436  handle->emsg = GNUNET_strdup ("Deleting record failed");
438  return;
439  }
440  handle->proc (handle->proc_cls,
442  MHD_HTTP_NO_CONTENT);
444 }
445 
446 
453 static void
455 {
456  struct RequestHandle *handle = cls;
457  char *result_str;
458  struct MHD_Response *resp;
459 
460  handle->list_it = NULL;
461 
462  if (NULL == handle->resp_object)
463  handle->resp_object = json_array ();
464 
465  result_str = json_dumps (handle->resp_object, 0);
466  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Result %s\n", result_str);
467  resp = GNUNET_REST_create_response (result_str);
468  handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
469  GNUNET_free_non_null (result_str);
471 }
472 
473 
479 static void
481  const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone_key,
482  const char *rname,
483  unsigned int rd_len,
484  const struct GNUNET_GNSRECORD_Data *rd)
485 {
486  struct RequestHandle *handle = cls;
487  json_t *record_obj;
488 
489  if (NULL == handle->resp_object)
490  handle->resp_object = json_array ();
491  record_obj = GNUNET_JSON_from_gnsrecord (rname,
492  rd,
493  rd_len);
494  json_array_append_new (handle->resp_object, record_obj);
496 }
497 
498 
506 void
508  const char *url,
509  void *cls)
510 {
511  struct RequestHandle *handle = cls;
512  struct EgoEntry *ego_entry;
513  char *egoname;
514 
515  egoname = NULL;
516  ego_entry = NULL;
517 
518  // set zone to name if given
519  if (strlen (GNUNET_REST_API_NS_NAMESTORE) < strlen (handle->url))
520  {
521  egoname = &handle->url[strlen (GNUNET_REST_API_NS_NAMESTORE) + 1];
522  ego_entry = get_egoentry_namestore (handle, egoname);
523 
524  if (NULL == ego_entry)
525  {
526  handle->response_code = MHD_HTTP_NOT_FOUND;
529  return;
530  }
531  }
532  if (NULL != ego_entry)
533  handle->zone_pkey = GNUNET_IDENTITY_ego_get_private_key (ego_entry->ego);
534 
535  handle->list_it =
537  handle->zone_pkey,
539  handle,
541  handle,
543  handle);
544  if (NULL == handle->list_it)
545  {
548  return;
549  }
550 }
551 
552 
553 static void
555 {
556  struct RequestHandle *handle = cls;
559 }
560 
561 
562 static void
563 ns_lookup_cb (void *cls,
564  const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone,
565  const char *label,
566  unsigned int rd_count,
567  const struct GNUNET_GNSRECORD_Data *rd)
568 {
569  struct RequestHandle *handle = cls;
570  struct GNUNET_GNSRECORD_Data rd_new[rd_count + handle->rd_count];
571  for (int i = 0; i < rd_count; i++)
572  rd_new[i] = rd[i];
573  for (int j = 0; j < handle->rd_count; j++)
574  rd_new[rd_count + j] = handle->rd[j];
575  handle->add_qe = GNUNET_NAMESTORE_records_store (handle->ns_handle,
576  handle->zone_pkey,
577  handle->record_name,
578  rd_count + handle->rd_count,
579  rd_new,
581  handle);
582  if (NULL == handle->add_qe)
583  {
586  return;
587  }
588 }
589 
590 
598 void
600  const char *url,
601  void *cls)
602 {
603  struct RequestHandle *handle = cls;
604  struct EgoEntry *ego_entry;
605  char *egoname;
606  json_t *data_js;
607  json_error_t err;
608 
609  char term_data[handle->rest_handle->data_size + 1];
610 
611  if (0 >= handle->rest_handle->data_size)
612  {
615  return;
616  }
617  term_data[handle->rest_handle->data_size] = '\0';
618  GNUNET_memcpy (term_data,
619  handle->rest_handle->data,
620  handle->rest_handle->data_size);
621  data_js = json_loads (term_data, JSON_DECODE_ANY, &err);
622  struct GNUNET_JSON_Specification gnsspec[] =
623  {GNUNET_JSON_spec_gnsrecord (&handle->rd, &handle->rd_count, &handle->record_name), GNUNET_JSON_spec_end ()};
624  if (GNUNET_OK != GNUNET_JSON_parse (data_js, gnsspec, NULL, NULL))
625  {
628  json_decref (data_js);
629  return;
630  }
631  GNUNET_JSON_parse_free (gnsspec);
632  if (0 >= strlen (handle->record_name))
633  {
636  json_decref (data_js);
637  return;
638  }
639  json_decref (data_js);
640 
641  egoname = NULL;
642  ego_entry = NULL;
643 
644  // set zone to name if given
645  if (strlen (GNUNET_REST_API_NS_NAMESTORE) < strlen (handle->url))
646  {
647  egoname = &handle->url[strlen (GNUNET_REST_API_NS_NAMESTORE) + 1];
648  ego_entry = get_egoentry_namestore (handle, egoname);
649 
650  if (NULL == ego_entry)
651  {
652  handle->response_code = MHD_HTTP_NOT_FOUND;
655  return;
656  }
657  }
658  if (NULL != ego_entry)
659  handle->zone_pkey = GNUNET_IDENTITY_ego_get_private_key (ego_entry->ego);
661  handle->zone_pkey,
662  handle->record_name,
664  handle,
665  &ns_lookup_cb,
666  handle);
667  if (NULL == handle->add_qe)
668  {
671  return;
672  }
673 }
674 
675 
683 void
685  const char *url,
686  void *cls)
687 {
688  struct RequestHandle *handle = cls;
689  struct GNUNET_HashCode key;
690  struct EgoEntry *ego_entry;
691  char *egoname;
692 
693  egoname = NULL;
694  ego_entry = NULL;
695 
696  // set zone to name if given
697  if (strlen (GNUNET_REST_API_NS_NAMESTORE) < strlen (handle->url))
698  {
699  egoname = &handle->url[strlen (GNUNET_REST_API_NS_NAMESTORE) + 1];
700  ego_entry = get_egoentry_namestore (handle, egoname);
701 
702  if (NULL == ego_entry)
703  {
704  handle->response_code = MHD_HTTP_NOT_FOUND;
707  return;
708  }
709  }
710  if (NULL != ego_entry)
711  handle->zone_pkey = GNUNET_IDENTITY_ego_get_private_key (ego_entry->ego);
712 
713  GNUNET_CRYPTO_hash ("record_name", strlen ("record_name"), &key);
714  if (GNUNET_NO ==
716  {
719  return;
720  }
721  handle->record_name = GNUNET_strdup (
723 
725  handle->zone_pkey,
726  handle->record_name,
727  0,
728  NULL,
729  &del_finished,
730  handle);
731  if (NULL == handle->add_qe)
732  {
735  return;
736  }
737 }
738 
739 
747 static void
749  const char *url,
750  void *cls)
751 {
752  struct MHD_Response *resp;
753  struct RequestHandle *handle = cls;
754 
755  // independent of path return all options
756  resp = GNUNET_REST_create_response (NULL);
757  MHD_add_response_header (resp, "Access-Control-Allow-Methods", allow_methods);
758  handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
760  return;
761 }
762 
763 
769 static void
771 {
773  static const struct GNUNET_REST_RequestHandler handlers[] =
774  {{MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_NAMESTORE, &namestore_get},
775  {MHD_HTTP_METHOD_POST, GNUNET_REST_API_NS_NAMESTORE, &namestore_add},
776  {MHD_HTTP_METHOD_DELETE, GNUNET_REST_API_NS_NAMESTORE, &namestore_delete},
777  {MHD_HTTP_METHOD_OPTIONS, GNUNET_REST_API_NS_NAMESTORE, &options_cont},
779 
780  if (GNUNET_NO ==
781  GNUNET_REST_handle_request (handle->rest_handle, handlers, &err, handle))
782  {
783  handle->response_code = err.error_code;
785  }
786 }
787 
788 
820 static void
821 id_connect_cb (void *cls,
822  struct GNUNET_IDENTITY_Ego *ego,
823  void **ctx,
824  const char *name)
825 {
826  struct RequestHandle *handle = cls;
827  struct EgoEntry *ego_entry;
829 
830  if ((NULL == ego) && (ID_REST_STATE_INIT == handle->state))
831  {
832  handle->state = ID_REST_STATE_POST_INIT;
833  init_cont (handle);
834  return;
835  }
836  if (ID_REST_STATE_INIT == handle->state)
837  {
838  ego_entry = GNUNET_new (struct EgoEntry);
841  ego_entry->ego = ego;
842  GNUNET_asprintf (&ego_entry->identifier, "%s", name);
844  handle->ego_tail,
845  ego_entry);
846  }
847 }
848 
849 
861 static void
864  void *proc_cls)
865 {
866  struct RequestHandle *handle = GNUNET_new (struct RequestHandle);
867 
868  handle->response_code = 0;
870  handle->proc_cls = proc_cls;
871  handle->proc = proc;
872  handle->rest_handle = rest_handle;
873  handle->zone_pkey = NULL;
874 
875  handle->url = GNUNET_strdup (rest_handle->url);
876  if (handle->url[strlen (handle->url) - 1] == '/')
877  handle->url[strlen (handle->url) - 1] = '\0';
878  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connecting...\n");
879 
880  handle->ns_handle = GNUNET_NAMESTORE_connect (cfg);
881  handle->identity_handle =
882  GNUNET_IDENTITY_connect (cfg, &id_connect_cb, handle);
883  handle->timeout_task =
884  GNUNET_SCHEDULER_add_delayed (handle->timeout, &do_error, handle);
885 
886  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connected\n");
887 }
888 
889 
896 void *
898 {
899  static struct Plugin plugin;
900  struct GNUNET_REST_Plugin *api;
901 
902  cfg = cls;
903  if (NULL != plugin.cfg)
904  return NULL; /* can only initialize once! */
905  memset (&plugin, 0, sizeof (struct Plugin));
906  plugin.cfg = cfg;
907  api = GNUNET_new (struct GNUNET_REST_Plugin);
908  api->cls = &plugin;
912  "%s, %s, %s, %s, %s",
913  MHD_HTTP_METHOD_GET,
914  MHD_HTTP_METHOD_POST,
915  MHD_HTTP_METHOD_PUT,
916  MHD_HTTP_METHOD_DELETE,
917  MHD_HTTP_METHOD_OPTIONS);
918 
919  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, _ ("Namestore REST API initialized\n"));
920  return api;
921 }
922 
923 
930 void *
932 {
933  struct GNUNET_REST_Plugin *api = cls;
934  struct Plugin *plugin = api->cls;
935  plugin->cfg = NULL;
936 
938  GNUNET_free (api);
939  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Namestore REST plugin is finished\n");
940  return NULL;
941 }
942 
943 /* end of plugin_rest_namestore.c */
944 
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:528
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:556
static void create_finished(void *cls, int32_t success, const char *emsg)
Create finished callback.
struct returned by the initialization function of the plugin
#define GNUNET_NO
Definition: gnunet_common.h:81
Entry in parser specification for GNUNET_JSON_parse().
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:78
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:208
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).
static struct GNUNET_ATS_SolverFunctions * plugin
Our solver.
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:1246
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
User defined timestamp for completing operations.
Definition: gnunet-arm.c:114
#define GNUNET_memcpy(dst, src, n)
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:44
const char * url
The url as string.
Connection to the NAMESTORE service.
Handle for the service.
Definition: identity_api.c:96
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:1273
char * name
Plugin name.
struct GNUNET_TIME_Relative timeout
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:838
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:76
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
Handle to rest request.
int response_code
HTTP response code.
int state
The processing state.
#define GNUNET_REST_NAMESTORE_NO_DATA
Error message No data.
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:334
const char * data
The POST data.
char * keystring
Public key string.
#define GNUNET_SYSERR
Definition: gnunet_common.h:79
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:119
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:569
#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:56
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:80
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:139
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:965
char * url
The url.