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Diffstat (limited to 'src/reclaim/reclaim_api.c')
-rw-r--r-- | src/reclaim/reclaim_api.c | 1761 |
1 files changed, 0 insertions, 1761 deletions
diff --git a/src/reclaim/reclaim_api.c b/src/reclaim/reclaim_api.c deleted file mode 100644 index bc6b835c9..000000000 --- a/src/reclaim/reclaim_api.c +++ /dev/null | |||
@@ -1,1761 +0,0 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | Copyright (C) 2016 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 | */ | ||
20 | |||
21 | /** | ||
22 | * @file reclaim/reclaim_api.c | ||
23 | * @brief api to interact with the reclaim service | ||
24 | * @author Martin Schanzenbach | ||
25 | */ | ||
26 | #include "platform.h" | ||
27 | #include "gnunet_util_lib.h" | ||
28 | #include "gnunet_constants.h" | ||
29 | #include "gnunet_mq_lib.h" | ||
30 | #include "gnunet_protocols.h" | ||
31 | #include "gnunet_reclaim_lib.h" | ||
32 | #include "gnunet_reclaim_service.h" | ||
33 | #include "reclaim.h" | ||
34 | |||
35 | #define LOG(kind, ...) GNUNET_log_from (kind, "reclaim-api", __VA_ARGS__) | ||
36 | |||
37 | |||
38 | /** | ||
39 | * Handle for an operation with the service. | ||
40 | */ | ||
41 | struct GNUNET_RECLAIM_Operation | ||
42 | { | ||
43 | /** | ||
44 | * Main handle. | ||
45 | */ | ||
46 | struct GNUNET_RECLAIM_Handle *h; | ||
47 | |||
48 | /** | ||
49 | * We keep operations in a DLL. | ||
50 | */ | ||
51 | struct GNUNET_RECLAIM_Operation *next; | ||
52 | |||
53 | /** | ||
54 | * We keep operations in a DLL. | ||
55 | */ | ||
56 | struct GNUNET_RECLAIM_Operation *prev; | ||
57 | |||
58 | /** | ||
59 | * Message to send to the service. | ||
60 | * Allocated at the end of this struct. | ||
61 | */ | ||
62 | const struct GNUNET_MessageHeader *msg; | ||
63 | |||
64 | /** | ||
65 | * Continuation to invoke after attribute store call | ||
66 | */ | ||
67 | GNUNET_RECLAIM_ContinuationWithStatus as_cb; | ||
68 | |||
69 | /** | ||
70 | * Attribute result callback | ||
71 | */ | ||
72 | GNUNET_RECLAIM_AttributeResult ar_cb; | ||
73 | |||
74 | /** | ||
75 | * Attribute result callback | ||
76 | */ | ||
77 | GNUNET_RECLAIM_AttributeTicketResult atr_cb; | ||
78 | |||
79 | /** | ||
80 | * Credential result callback | ||
81 | */ | ||
82 | GNUNET_RECLAIM_CredentialResult at_cb; | ||
83 | |||
84 | /** | ||
85 | * Revocation result callback | ||
86 | */ | ||
87 | GNUNET_RECLAIM_ContinuationWithStatus rvk_cb; | ||
88 | |||
89 | /** | ||
90 | * Ticket result callback | ||
91 | */ | ||
92 | GNUNET_RECLAIM_TicketCallback tr_cb; | ||
93 | |||
94 | /** | ||
95 | * Ticket issue result callback | ||
96 | */ | ||
97 | GNUNET_RECLAIM_IssueTicketCallback ti_cb; | ||
98 | |||
99 | /** | ||
100 | * Envelope with the message for this queue entry. | ||
101 | */ | ||
102 | struct GNUNET_MQ_Envelope *env; | ||
103 | |||
104 | /** | ||
105 | * request id | ||
106 | */ | ||
107 | uint32_t r_id; | ||
108 | |||
109 | /** | ||
110 | * Closure for @e cont or @e cb. | ||
111 | */ | ||
112 | void *cls; | ||
113 | }; | ||
114 | |||
115 | |||
116 | /** | ||
117 | * Handle for a ticket iterator operation | ||
118 | */ | ||
119 | struct GNUNET_RECLAIM_TicketIterator | ||
120 | { | ||
121 | /** | ||
122 | * Kept in a DLL. | ||
123 | */ | ||
124 | struct GNUNET_RECLAIM_TicketIterator *next; | ||
125 | |||
126 | /** | ||
127 | * Kept in a DLL. | ||
128 | */ | ||
129 | struct GNUNET_RECLAIM_TicketIterator *prev; | ||
130 | |||
131 | /** | ||
132 | * Main handle to access the idp. | ||
133 | */ | ||
134 | struct GNUNET_RECLAIM_Handle *h; | ||
135 | |||
136 | /** | ||
137 | * Function to call on completion. | ||
138 | */ | ||
139 | GNUNET_SCHEDULER_TaskCallback finish_cb; | ||
140 | |||
141 | /** | ||
142 | * Closure for @e finish_cb. | ||
143 | */ | ||
144 | void *finish_cb_cls; | ||
145 | |||
146 | /** | ||
147 | * The continuation to call with the results | ||
148 | */ | ||
149 | GNUNET_RECLAIM_TicketCallback tr_cb; | ||
150 | |||
151 | /** | ||
152 | * Closure for @e tr_cb. | ||
153 | */ | ||
154 | void *cls; | ||
155 | |||
156 | /** | ||
157 | * Function to call on errors. | ||
158 | */ | ||
159 | GNUNET_SCHEDULER_TaskCallback error_cb; | ||
160 | |||
161 | /** | ||
162 | * Closure for @e error_cb. | ||
163 | */ | ||
164 | void *error_cb_cls; | ||
165 | |||
166 | /** | ||
167 | * Envelope of the message to send to the service, if not yet | ||
168 | * sent. | ||
169 | */ | ||
170 | struct GNUNET_MQ_Envelope *env; | ||
171 | |||
172 | /** | ||
173 | * The operation id this zone iteration operation has | ||
174 | */ | ||
175 | uint32_t r_id; | ||
176 | }; | ||
177 | |||
178 | |||
179 | /** | ||
180 | * Handle for a attribute iterator operation | ||
181 | */ | ||
182 | struct GNUNET_RECLAIM_AttributeIterator | ||
183 | { | ||
184 | /** | ||
185 | * Kept in a DLL. | ||
186 | */ | ||
187 | struct GNUNET_RECLAIM_AttributeIterator *next; | ||
188 | |||
189 | /** | ||
190 | * Kept in a DLL. | ||
191 | */ | ||
192 | struct GNUNET_RECLAIM_AttributeIterator *prev; | ||
193 | |||
194 | /** | ||
195 | * Main handle to access the service. | ||
196 | */ | ||
197 | struct GNUNET_RECLAIM_Handle *h; | ||
198 | |||
199 | /** | ||
200 | * Function to call on completion. | ||
201 | */ | ||
202 | GNUNET_SCHEDULER_TaskCallback finish_cb; | ||
203 | |||
204 | /** | ||
205 | * Closure for @e finish_cb. | ||
206 | */ | ||
207 | void *finish_cb_cls; | ||
208 | |||
209 | /** | ||
210 | * The continuation to call with the results | ||
211 | */ | ||
212 | GNUNET_RECLAIM_AttributeResult proc; | ||
213 | |||
214 | /** | ||
215 | * Closure for @e proc. | ||
216 | */ | ||
217 | void *proc_cls; | ||
218 | |||
219 | /** | ||
220 | * Function to call on errors. | ||
221 | */ | ||
222 | GNUNET_SCHEDULER_TaskCallback error_cb; | ||
223 | |||
224 | /** | ||
225 | * Closure for @e error_cb. | ||
226 | */ | ||
227 | void *error_cb_cls; | ||
228 | |||
229 | /** | ||
230 | * Envelope of the message to send to the service, if not yet | ||
231 | * sent. | ||
232 | */ | ||
233 | struct GNUNET_MQ_Envelope *env; | ||
234 | |||
235 | /** | ||
236 | * Private key of the zone. | ||
237 | */ | ||
238 | struct GNUNET_IDENTITY_PrivateKey identity; | ||
239 | |||
240 | /** | ||
241 | * The operation id this zone iteration operation has | ||
242 | */ | ||
243 | uint32_t r_id; | ||
244 | }; | ||
245 | |||
246 | /** | ||
247 | * Handle for a credential iterator operation | ||
248 | */ | ||
249 | struct GNUNET_RECLAIM_CredentialIterator | ||
250 | { | ||
251 | /** | ||
252 | * Kept in a DLL. | ||
253 | */ | ||
254 | struct GNUNET_RECLAIM_CredentialIterator *next; | ||
255 | |||
256 | /** | ||
257 | * Kept in a DLL. | ||
258 | */ | ||
259 | struct GNUNET_RECLAIM_CredentialIterator *prev; | ||
260 | |||
261 | /** | ||
262 | * Main handle to access the service. | ||
263 | */ | ||
264 | struct GNUNET_RECLAIM_Handle *h; | ||
265 | |||
266 | /** | ||
267 | * Function to call on completion. | ||
268 | */ | ||
269 | GNUNET_SCHEDULER_TaskCallback finish_cb; | ||
270 | |||
271 | /** | ||
272 | * Closure for @e finish_cb. | ||
273 | */ | ||
274 | void *finish_cb_cls; | ||
275 | |||
276 | /** | ||
277 | * The continuation to call with the results | ||
278 | */ | ||
279 | GNUNET_RECLAIM_CredentialResult proc; | ||
280 | |||
281 | /** | ||
282 | * Closure for @e proc. | ||
283 | */ | ||
284 | void *proc_cls; | ||
285 | |||
286 | /** | ||
287 | * Function to call on errors. | ||
288 | */ | ||
289 | GNUNET_SCHEDULER_TaskCallback error_cb; | ||
290 | |||
291 | /** | ||
292 | * Closure for @e error_cb. | ||
293 | */ | ||
294 | void *error_cb_cls; | ||
295 | |||
296 | /** | ||
297 | * Envelope of the message to send to the service, if not yet | ||
298 | * sent. | ||
299 | */ | ||
300 | struct GNUNET_MQ_Envelope *env; | ||
301 | |||
302 | /** | ||
303 | * Private key of the zone. | ||
304 | */ | ||
305 | struct GNUNET_IDENTITY_PrivateKey identity; | ||
306 | |||
307 | /** | ||
308 | * The operation id this zone iteration operation has | ||
309 | */ | ||
310 | uint32_t r_id; | ||
311 | }; | ||
312 | |||
313 | |||
314 | /** | ||
315 | * Handle to the service. | ||
316 | */ | ||
317 | struct GNUNET_RECLAIM_Handle | ||
318 | { | ||
319 | /** | ||
320 | * Configuration to use. | ||
321 | */ | ||
322 | const struct GNUNET_CONFIGURATION_Handle *cfg; | ||
323 | |||
324 | /** | ||
325 | * Socket (if available). | ||
326 | */ | ||
327 | struct GNUNET_CLIENT_Connection *client; | ||
328 | |||
329 | /** | ||
330 | * Closure for 'cb'. | ||
331 | */ | ||
332 | void *cb_cls; | ||
333 | |||
334 | /** | ||
335 | * Head of active operations. | ||
336 | */ | ||
337 | struct GNUNET_RECLAIM_Operation *op_head; | ||
338 | |||
339 | /** | ||
340 | * Tail of active operations. | ||
341 | */ | ||
342 | struct GNUNET_RECLAIM_Operation *op_tail; | ||
343 | |||
344 | /** | ||
345 | * Head of active iterations | ||
346 | */ | ||
347 | struct GNUNET_RECLAIM_AttributeIterator *it_head; | ||
348 | |||
349 | /** | ||
350 | * Tail of active iterations | ||
351 | */ | ||
352 | struct GNUNET_RECLAIM_AttributeIterator *it_tail; | ||
353 | |||
354 | /** | ||
355 | * Head of active iterations | ||
356 | */ | ||
357 | struct GNUNET_RECLAIM_CredentialIterator *ait_head; | ||
358 | |||
359 | /** | ||
360 | * Tail of active iterations | ||
361 | */ | ||
362 | struct GNUNET_RECLAIM_CredentialIterator *ait_tail; | ||
363 | |||
364 | /** | ||
365 | * Head of active iterations | ||
366 | */ | ||
367 | struct GNUNET_RECLAIM_TicketIterator *ticket_it_head; | ||
368 | |||
369 | /** | ||
370 | * Tail of active iterations | ||
371 | */ | ||
372 | struct GNUNET_RECLAIM_TicketIterator *ticket_it_tail; | ||
373 | |||
374 | /** | ||
375 | * Currently pending transmission request, or NULL for none. | ||
376 | */ | ||
377 | struct GNUNET_CLIENT_TransmitHandle *th; | ||
378 | |||
379 | /** | ||
380 | * Task doing exponential back-off trying to reconnect. | ||
381 | */ | ||
382 | struct GNUNET_SCHEDULER_Task *reconnect_task; | ||
383 | |||
384 | /** | ||
385 | * Time for next connect retry. | ||
386 | */ | ||
387 | struct GNUNET_TIME_Relative reconnect_backoff; | ||
388 | |||
389 | /** | ||
390 | * Connection to service (if available). | ||
391 | */ | ||
392 | struct GNUNET_MQ_Handle *mq; | ||
393 | |||
394 | /** | ||
395 | * Request Id generator. Incremented by one for each request. | ||
396 | */ | ||
397 | uint32_t r_id_gen; | ||
398 | |||
399 | /** | ||
400 | * Are we polling for incoming messages right now? | ||
401 | */ | ||
402 | int in_receive; | ||
403 | }; | ||
404 | |||
405 | |||
406 | /** | ||
407 | * Try again to connect to the service. | ||
408 | * | ||
409 | * @param h handle to the reclaim service. | ||
410 | */ | ||
411 | static void | ||
412 | reconnect (struct GNUNET_RECLAIM_Handle *h); | ||
413 | |||
414 | |||
415 | /** | ||
416 | * Reconnect | ||
417 | * | ||
418 | * @param cls the handle | ||
419 | */ | ||
420 | static void | ||
421 | reconnect_task (void *cls) | ||
422 | { | ||
423 | struct GNUNET_RECLAIM_Handle *handle = cls; | ||
424 | |||
425 | handle->reconnect_task = NULL; | ||
426 | reconnect (handle); | ||
427 | } | ||
428 | |||
429 | |||
430 | /** | ||
431 | * Disconnect from service and then reconnect. | ||
432 | * | ||
433 | * @param handle our service | ||
434 | */ | ||
435 | static void | ||
436 | force_reconnect (struct GNUNET_RECLAIM_Handle *handle) | ||
437 | { | ||
438 | GNUNET_MQ_destroy (handle->mq); | ||
439 | handle->mq = NULL; | ||
440 | handle->reconnect_backoff = | ||
441 | GNUNET_TIME_STD_BACKOFF (handle->reconnect_backoff); | ||
442 | handle->reconnect_task = | ||
443 | GNUNET_SCHEDULER_add_delayed (handle->reconnect_backoff, | ||
444 | &reconnect_task, | ||
445 | handle); | ||
446 | } | ||
447 | |||
448 | |||
449 | /** | ||
450 | * Free @a it. | ||
451 | * | ||
452 | * @param it entry to free | ||
453 | */ | ||
454 | static void | ||
455 | free_it (struct GNUNET_RECLAIM_AttributeIterator *it) | ||
456 | { | ||
457 | struct GNUNET_RECLAIM_Handle *h = it->h; | ||
458 | |||
459 | GNUNET_CONTAINER_DLL_remove (h->it_head, h->it_tail, it); | ||
460 | if (NULL != it->env) | ||
461 | GNUNET_MQ_discard (it->env); | ||
462 | GNUNET_free (it); | ||
463 | } | ||
464 | |||
465 | |||
466 | /** | ||
467 | * Free @a it. | ||
468 | * | ||
469 | * @param ait entry to free | ||
470 | */ | ||
471 | static void | ||
472 | free_ait (struct GNUNET_RECLAIM_CredentialIterator *ait) | ||
473 | { | ||
474 | struct GNUNET_RECLAIM_Handle *h = ait->h; | ||
475 | |||
476 | GNUNET_CONTAINER_DLL_remove (h->ait_head, h->ait_tail, ait); | ||
477 | if (NULL != ait->env) | ||
478 | GNUNET_MQ_discard (ait->env); | ||
479 | GNUNET_free (ait); | ||
480 | } | ||
481 | |||
482 | |||
483 | /** | ||
484 | * Free @a op | ||
485 | * | ||
486 | * @param op the operation to free | ||
487 | */ | ||
488 | static void | ||
489 | free_op (struct GNUNET_RECLAIM_Operation *op) | ||
490 | { | ||
491 | if (NULL == op) | ||
492 | return; | ||
493 | if (NULL != op->env) | ||
494 | GNUNET_MQ_discard (op->env); | ||
495 | GNUNET_free (op); | ||
496 | } | ||
497 | |||
498 | |||
499 | /** | ||
500 | * Generic error handler, called with the appropriate error code and | ||
501 | * the same closure specified at the creation of the message queue. | ||
502 | * Not every message queue implementation supports an error handler. | ||
503 | * | ||
504 | * @param cls closure with the `struct GNUNET_GNS_Handle *` | ||
505 | * @param error error code | ||
506 | */ | ||
507 | static void | ||
508 | mq_error_handler (void *cls, enum GNUNET_MQ_Error error) | ||
509 | { | ||
510 | struct GNUNET_RECLAIM_Handle *handle = cls; | ||
511 | |||
512 | force_reconnect (handle); | ||
513 | } | ||
514 | |||
515 | |||
516 | /** | ||
517 | * Handle an incoming message of type | ||
518 | * #GNUNET_MESSAGE_TYPE_RECLAIM_SUCCESS_RESPONSE | ||
519 | * | ||
520 | * @param cls | ||
521 | * @param msg the message we received | ||
522 | */ | ||
523 | static void | ||
524 | handle_success_response (void *cls, const struct SuccessResultMessage *msg) | ||
525 | { | ||
526 | struct GNUNET_RECLAIM_Handle *h = cls; | ||
527 | struct GNUNET_RECLAIM_Operation *op; | ||
528 | uint32_t r_id = ntohl (msg->id); | ||
529 | int res; | ||
530 | const char *emsg; | ||
531 | |||
532 | for (op = h->op_head; NULL != op; op = op->next) | ||
533 | if (op->r_id == r_id) | ||
534 | break; | ||
535 | if (NULL == op) | ||
536 | return; | ||
537 | |||
538 | res = ntohl (msg->op_result); | ||
539 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
540 | "Received SUCCESS_RESPONSE with result %d\n", | ||
541 | res); | ||
542 | |||
543 | /* TODO: add actual error message to response... */ | ||
544 | if (GNUNET_SYSERR == res) | ||
545 | emsg = _ ("failed to store record\n"); | ||
546 | else | ||
547 | emsg = NULL; | ||
548 | if (NULL != op->as_cb) | ||
549 | op->as_cb (op->cls, res, emsg); | ||
550 | GNUNET_CONTAINER_DLL_remove (h->op_head, h->op_tail, op); | ||
551 | free_op (op); | ||
552 | } | ||
553 | |||
554 | |||
555 | /** | ||
556 | * Handle an incoming message of type | ||
557 | * #GNUNET_MESSAGE_TYPE_RECLAIM_CONSUME_TICKET_RESULT | ||
558 | * | ||
559 | * @param cls | ||
560 | * @param msg the message we received | ||
561 | * @return #GNUNET_OK on success, #GNUNET_SYSERR on error | ||
562 | */ | ||
563 | static int | ||
564 | check_consume_ticket_result (void *cls, | ||
565 | const struct ConsumeTicketResultMessage *msg) | ||
566 | { | ||
567 | size_t msg_len; | ||
568 | size_t attrs_len; | ||
569 | size_t pl_len; | ||
570 | |||
571 | msg_len = ntohs (msg->header.size); | ||
572 | attrs_len = ntohs (msg->attrs_len); | ||
573 | pl_len = ntohs (msg->presentations_len); | ||
574 | if (msg_len != | ||
575 | sizeof(struct ConsumeTicketResultMessage) + attrs_len + pl_len) | ||
576 | { | ||
577 | GNUNET_break (0); | ||
578 | return GNUNET_SYSERR; | ||
579 | } | ||
580 | return GNUNET_OK; | ||
581 | } | ||
582 | |||
583 | |||
584 | /** | ||
585 | * Handle an incoming message of type | ||
586 | * #GNUNET_MESSAGE_TYPE_RECLAIM_CONSUME_TICKET_RESULT | ||
587 | * | ||
588 | * @param cls | ||
589 | * @param msg the message we received | ||
590 | */ | ||
591 | static void | ||
592 | handle_consume_ticket_result (void *cls, | ||
593 | const struct ConsumeTicketResultMessage *msg) | ||
594 | { | ||
595 | struct GNUNET_RECLAIM_Handle *h = cls; | ||
596 | struct GNUNET_RECLAIM_Operation *op; | ||
597 | size_t attrs_len; | ||
598 | size_t pl_len; | ||
599 | uint32_t r_id = ntohl (msg->id); | ||
600 | char *read_ptr; | ||
601 | |||
602 | attrs_len = ntohs (msg->attrs_len); | ||
603 | pl_len = ntohs (msg->presentations_len); | ||
604 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Processing ticket result.\n"); | ||
605 | |||
606 | |||
607 | for (op = h->op_head; NULL != op; op = op->next) | ||
608 | if (op->r_id == r_id) | ||
609 | break; | ||
610 | if (NULL == op) | ||
611 | return; | ||
612 | |||
613 | { | ||
614 | struct GNUNET_RECLAIM_AttributeList *attrs; | ||
615 | struct GNUNET_RECLAIM_AttributeListEntry *le; | ||
616 | struct GNUNET_RECLAIM_PresentationList *pl; | ||
617 | struct GNUNET_RECLAIM_PresentationListEntry *ple; | ||
618 | attrs = | ||
619 | GNUNET_RECLAIM_attribute_list_deserialize ((char *) &msg[1], attrs_len); | ||
620 | read_ptr = ((char *) &msg[1]) + attrs_len; | ||
621 | pl = GNUNET_RECLAIM_presentation_list_deserialize (read_ptr, pl_len); | ||
622 | if (NULL != op->atr_cb) | ||
623 | { | ||
624 | if (NULL == attrs) | ||
625 | { | ||
626 | op->atr_cb (op->cls, &msg->identity, NULL, NULL); | ||
627 | } | ||
628 | else | ||
629 | { | ||
630 | for (le = attrs->list_head; NULL != le; le = le->next) | ||
631 | { | ||
632 | if (GNUNET_NO == | ||
633 | GNUNET_RECLAIM_id_is_zero (&le->attribute->credential)) | ||
634 | { | ||
635 | for (ple = pl->list_head; NULL != ple; ple = ple->next) | ||
636 | { | ||
637 | if (GNUNET_YES == | ||
638 | GNUNET_RECLAIM_id_is_equal (&le->attribute->credential, | ||
639 | &ple->presentation->credential_id)) | ||
640 | { | ||
641 | op->atr_cb (op->cls, &msg->identity, | ||
642 | le->attribute, ple->presentation); | ||
643 | break; | ||
644 | } | ||
645 | |||
646 | } | ||
647 | } | ||
648 | else // No credentials | ||
649 | { | ||
650 | op->atr_cb (op->cls, &msg->identity, | ||
651 | le->attribute, NULL); | ||
652 | } | ||
653 | } | ||
654 | } | ||
655 | op->atr_cb (op->cls, NULL, NULL, NULL); | ||
656 | } | ||
657 | if (NULL != attrs) | ||
658 | GNUNET_RECLAIM_attribute_list_destroy (attrs); | ||
659 | if (NULL != pl) | ||
660 | GNUNET_RECLAIM_presentation_list_destroy (pl); | ||
661 | GNUNET_CONTAINER_DLL_remove (h->op_head, h->op_tail, op); | ||
662 | free_op (op); | ||
663 | return; | ||
664 | } | ||
665 | GNUNET_assert (0); | ||
666 | } | ||
667 | |||
668 | |||
669 | /** | ||
670 | * Handle an incoming message of type | ||
671 | * #GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_RESULT | ||
672 | * | ||
673 | * @param cls | ||
674 | * @param msg the message we received | ||
675 | * @return #GNUNET_OK on success, #GNUNET_SYSERR on error | ||
676 | */ | ||
677 | static int | ||
678 | check_attribute_result (void *cls, const struct AttributeResultMessage *msg) | ||
679 | { | ||
680 | size_t msg_len; | ||
681 | size_t attr_len; | ||
682 | |||
683 | msg_len = ntohs (msg->header.size); | ||
684 | attr_len = ntohs (msg->attr_len); | ||
685 | if (msg_len != sizeof(struct AttributeResultMessage) + attr_len) | ||
686 | { | ||
687 | GNUNET_break (0); | ||
688 | return GNUNET_SYSERR; | ||
689 | } | ||
690 | return GNUNET_OK; | ||
691 | } | ||
692 | |||
693 | |||
694 | /** | ||
695 | * Handle an incoming message of type | ||
696 | * #GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_RESULT | ||
697 | * | ||
698 | * @param cls | ||
699 | * @param msg the message we received | ||
700 | */ | ||
701 | static void | ||
702 | handle_attribute_result (void *cls, const struct AttributeResultMessage *msg) | ||
703 | { | ||
704 | static struct GNUNET_IDENTITY_PrivateKey identity_dummy; | ||
705 | struct GNUNET_RECLAIM_Handle *h = cls; | ||
706 | struct GNUNET_RECLAIM_AttributeIterator *it; | ||
707 | struct GNUNET_RECLAIM_Operation *op; | ||
708 | size_t attr_len; | ||
709 | uint32_t r_id = ntohl (msg->id); | ||
710 | |||
711 | attr_len = ntohs (msg->attr_len); | ||
712 | LOG (GNUNET_ERROR_TYPE_DEBUG, "Processing attribute result.\n"); | ||
713 | |||
714 | |||
715 | for (it = h->it_head; NULL != it; it = it->next) | ||
716 | if (it->r_id == r_id) | ||
717 | break; | ||
718 | for (op = h->op_head; NULL != op; op = op->next) | ||
719 | if (op->r_id == r_id) | ||
720 | break; | ||
721 | if ((NULL == it) && (NULL == op)) | ||
722 | return; | ||
723 | |||
724 | if ((0 == | ||
725 | (memcmp (&msg->identity, &identity_dummy, sizeof(identity_dummy))))) | ||
726 | { | ||
727 | if ((NULL == it) && (NULL == op)) | ||
728 | { | ||
729 | GNUNET_break (0); | ||
730 | force_reconnect (h); | ||
731 | return; | ||
732 | } | ||
733 | if (NULL != it) | ||
734 | { | ||
735 | if (NULL != it->finish_cb) | ||
736 | it->finish_cb (it->finish_cb_cls); | ||
737 | free_it (it); | ||
738 | } | ||
739 | if (NULL != op) | ||
740 | { | ||
741 | if (NULL != op->ar_cb) | ||
742 | op->ar_cb (op->cls, NULL, NULL); | ||
743 | GNUNET_CONTAINER_DLL_remove (h->op_head, h->op_tail, op); | ||
744 | free_op (op); | ||
745 | } | ||
746 | return; | ||
747 | } | ||
748 | |||
749 | { | ||
750 | struct GNUNET_RECLAIM_Attribute *attr; | ||
751 | GNUNET_RECLAIM_attribute_deserialize ((char *) &msg[1], attr_len, | ||
752 | &attr); | ||
753 | if (NULL != it) | ||
754 | { | ||
755 | if (NULL != it->proc) | ||
756 | it->proc (it->proc_cls, &msg->identity, attr); | ||
757 | } | ||
758 | else if (NULL != op) | ||
759 | { | ||
760 | if (NULL != op->ar_cb) | ||
761 | op->ar_cb (op->cls, &msg->identity, attr); | ||
762 | } | ||
763 | GNUNET_free (attr); | ||
764 | return; | ||
765 | } | ||
766 | GNUNET_assert (0); | ||
767 | } | ||
768 | |||
769 | |||
770 | /** | ||
771 | * Handle an incoming message of type | ||
772 | * #GNUNET_MESSAGE_TYPE_RECLAIM_credential_RESULT | ||
773 | * | ||
774 | * @param cls | ||
775 | * @param msg the message we received | ||
776 | * @return #GNUNET_OK on success, #GNUNET_SYSERR on error | ||
777 | */ | ||
778 | static int | ||
779 | check_credential_result (void *cls, const struct CredentialResultMessage *msg) | ||
780 | { | ||
781 | size_t msg_len; | ||
782 | size_t cred_len; | ||
783 | |||
784 | msg_len = ntohs (msg->header.size); | ||
785 | cred_len = ntohs (msg->credential_len); | ||
786 | if (msg_len != sizeof(struct CredentialResultMessage) + cred_len) | ||
787 | { | ||
788 | GNUNET_break (0); | ||
789 | return GNUNET_SYSERR; | ||
790 | } | ||
791 | return GNUNET_OK; | ||
792 | } | ||
793 | |||
794 | |||
795 | /** | ||
796 | * Handle an incoming message of type | ||
797 | * #GNUNET_MESSAGE_TYPE_RECLAIM_credential_RESULT | ||
798 | * | ||
799 | * @param cls | ||
800 | * @param msg the message we received | ||
801 | */ | ||
802 | static void | ||
803 | handle_credential_result (void *cls, const struct | ||
804 | CredentialResultMessage *msg) | ||
805 | { | ||
806 | static struct GNUNET_IDENTITY_PrivateKey identity_dummy; | ||
807 | struct GNUNET_RECLAIM_Handle *h = cls; | ||
808 | struct GNUNET_RECLAIM_CredentialIterator *it; | ||
809 | struct GNUNET_RECLAIM_Operation *op; | ||
810 | size_t att_len; | ||
811 | uint32_t r_id = ntohl (msg->id); | ||
812 | |||
813 | att_len = ntohs (msg->credential_len); | ||
814 | LOG (GNUNET_ERROR_TYPE_DEBUG, "Processing credential result.\n"); | ||
815 | |||
816 | |||
817 | for (it = h->ait_head; NULL != it; it = it->next) | ||
818 | if (it->r_id == r_id) | ||
819 | break; | ||
820 | for (op = h->op_head; NULL != op; op = op->next) | ||
821 | if (op->r_id == r_id) | ||
822 | break; | ||
823 | if ((NULL == it) && (NULL == op)) | ||
824 | return; | ||
825 | |||
826 | if ((0 == | ||
827 | (memcmp (&msg->identity, &identity_dummy, sizeof(identity_dummy))))) | ||
828 | { | ||
829 | if ((NULL == it) && (NULL == op)) | ||
830 | { | ||
831 | GNUNET_break (0); | ||
832 | force_reconnect (h); | ||
833 | return; | ||
834 | } | ||
835 | if (NULL != it) | ||
836 | { | ||
837 | if (NULL != it->finish_cb) | ||
838 | it->finish_cb (it->finish_cb_cls); | ||
839 | free_ait (it); | ||
840 | } | ||
841 | if (NULL != op) | ||
842 | { | ||
843 | if (NULL != op->at_cb) | ||
844 | op->at_cb (op->cls, NULL, NULL); | ||
845 | GNUNET_CONTAINER_DLL_remove (h->op_head, h->op_tail, op); | ||
846 | free_op (op); | ||
847 | } | ||
848 | return; | ||
849 | } | ||
850 | |||
851 | { | ||
852 | struct GNUNET_RECLAIM_Credential *att; | ||
853 | att = GNUNET_RECLAIM_credential_deserialize ((char *) &msg[1], att_len); | ||
854 | |||
855 | if (NULL != it) | ||
856 | { | ||
857 | if (NULL != it->proc) | ||
858 | it->proc (it->proc_cls, &msg->identity, att); | ||
859 | } | ||
860 | else if (NULL != op) | ||
861 | { | ||
862 | if (NULL != op->at_cb) | ||
863 | op->at_cb (op->cls, &msg->identity, att); | ||
864 | } | ||
865 | GNUNET_free (att); | ||
866 | return; | ||
867 | } | ||
868 | GNUNET_assert (0); | ||
869 | } | ||
870 | |||
871 | |||
872 | /** | ||
873 | * Handle an incoming message of type | ||
874 | * #GNUNET_MESSAGE_TYPE_RECLAIM_TICKET_RESULT | ||
875 | * | ||
876 | * @param cls | ||
877 | * @param msg the message we received | ||
878 | * @return #GNUNET_OK on success, #GNUNET_SYSERR on error | ||
879 | */ | ||
880 | static int | ||
881 | check_ticket_result (void *cls, const struct TicketResultMessage *msg) | ||
882 | { | ||
883 | size_t msg_len; | ||
884 | size_t pres_len; | ||
885 | |||
886 | msg_len = ntohs (msg->header.size); | ||
887 | pres_len = ntohs (msg->presentations_len); | ||
888 | if (msg_len != sizeof(struct TicketResultMessage) + pres_len) | ||
889 | { | ||
890 | GNUNET_break (0); | ||
891 | return GNUNET_SYSERR; | ||
892 | } | ||
893 | return GNUNET_OK; | ||
894 | } | ||
895 | |||
896 | |||
897 | /** | ||
898 | * Handle an incoming message of type | ||
899 | * #GNUNET_MESSAGE_TYPE_RECLAIM_TICKET_RESULT | ||
900 | * | ||
901 | * @param cls | ||
902 | * @param msg the message we received | ||
903 | */ | ||
904 | static void | ||
905 | handle_ticket_result (void *cls, const struct TicketResultMessage *msg) | ||
906 | { | ||
907 | struct GNUNET_RECLAIM_Handle *handle = cls; | ||
908 | struct GNUNET_RECLAIM_Operation *op; | ||
909 | struct GNUNET_RECLAIM_TicketIterator *it; | ||
910 | struct GNUNET_RECLAIM_PresentationList *presentation; | ||
911 | uint32_t r_id = ntohl (msg->id); | ||
912 | static const struct GNUNET_RECLAIM_Ticket ticket; | ||
913 | uint32_t pres_len = ntohs (msg->presentations_len); | ||
914 | |||
915 | for (op = handle->op_head; NULL != op; op = op->next) | ||
916 | if (op->r_id == r_id) | ||
917 | break; | ||
918 | for (it = handle->ticket_it_head; NULL != it; it = it->next) | ||
919 | if (it->r_id == r_id) | ||
920 | break; | ||
921 | if ((NULL == op) && (NULL == it)) | ||
922 | return; | ||
923 | if (NULL != op) | ||
924 | { | ||
925 | if (0 < pres_len) | ||
926 | presentation = GNUNET_RECLAIM_presentation_list_deserialize ( | ||
927 | (char*) &msg[1], | ||
928 | pres_len); | ||
929 | GNUNET_CONTAINER_DLL_remove (handle->op_head, handle->op_tail, op); | ||
930 | if (0 == | ||
931 | memcmp (&msg->ticket, &ticket, sizeof(struct GNUNET_RECLAIM_Ticket))) | ||
932 | { | ||
933 | if (NULL != op->ti_cb) | ||
934 | op->ti_cb (op->cls, NULL, NULL); | ||
935 | } | ||
936 | else | ||
937 | { | ||
938 | if (NULL != op->ti_cb) | ||
939 | op->ti_cb (op->cls, | ||
940 | &msg->ticket, | ||
941 | (0 < pres_len) ? presentation : NULL); | ||
942 | } | ||
943 | if (0 < pres_len) | ||
944 | GNUNET_RECLAIM_presentation_list_destroy (presentation); | ||
945 | free_op (op); | ||
946 | return; | ||
947 | } | ||
948 | else if (NULL != it) | ||
949 | { | ||
950 | if (0 == | ||
951 | memcmp (&msg->ticket, &ticket, sizeof(struct GNUNET_RECLAIM_Ticket))) | ||
952 | { | ||
953 | GNUNET_CONTAINER_DLL_remove (handle->ticket_it_head, | ||
954 | handle->ticket_it_tail, | ||
955 | it); | ||
956 | it->finish_cb (it->finish_cb_cls); | ||
957 | GNUNET_free (it); | ||
958 | } | ||
959 | else | ||
960 | { | ||
961 | if (NULL != it->tr_cb) | ||
962 | it->tr_cb (it->cls, &msg->ticket); | ||
963 | } | ||
964 | return; | ||
965 | } | ||
966 | GNUNET_break (0); | ||
967 | } | ||
968 | |||
969 | |||
970 | /** | ||
971 | * Handle an incoming message of type | ||
972 | * #GNUNET_MESSAGE_TYPE_RECLAIM_REVOKE_TICKET_RESULT | ||
973 | * | ||
974 | * @param cls | ||
975 | * @param msg the message we received | ||
976 | */ | ||
977 | static void | ||
978 | handle_revoke_ticket_result (void *cls, | ||
979 | const struct RevokeTicketResultMessage *msg) | ||
980 | { | ||
981 | struct GNUNET_RECLAIM_Handle *h = cls; | ||
982 | struct GNUNET_RECLAIM_Operation *op; | ||
983 | uint32_t r_id = ntohl (msg->id); | ||
984 | int32_t success; | ||
985 | |||
986 | LOG (GNUNET_ERROR_TYPE_DEBUG, "Processing revocation result.\n"); | ||
987 | |||
988 | |||
989 | for (op = h->op_head; NULL != op; op = op->next) | ||
990 | if (op->r_id == r_id) | ||
991 | break; | ||
992 | if (NULL == op) | ||
993 | return; | ||
994 | success = ntohl (msg->success); | ||
995 | { | ||
996 | if (NULL != op->rvk_cb) | ||
997 | { | ||
998 | op->rvk_cb (op->cls, success, NULL); | ||
999 | } | ||
1000 | GNUNET_CONTAINER_DLL_remove (h->op_head, h->op_tail, op); | ||
1001 | free_op (op); | ||
1002 | return; | ||
1003 | } | ||
1004 | GNUNET_assert (0); | ||
1005 | } | ||
1006 | |||
1007 | |||
1008 | /** | ||
1009 | * Try again to connect to the service. | ||
1010 | * | ||
1011 | * @param h handle to the reclaim service. | ||
1012 | */ | ||
1013 | static void | ||
1014 | reconnect (struct GNUNET_RECLAIM_Handle *h) | ||
1015 | { | ||
1016 | struct GNUNET_MQ_MessageHandler handlers[] = | ||
1017 | { GNUNET_MQ_hd_fixed_size (success_response, | ||
1018 | GNUNET_MESSAGE_TYPE_RECLAIM_SUCCESS_RESPONSE, | ||
1019 | struct SuccessResultMessage, | ||
1020 | h), | ||
1021 | GNUNET_MQ_hd_var_size (attribute_result, | ||
1022 | GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_RESULT, | ||
1023 | struct AttributeResultMessage, | ||
1024 | h), | ||
1025 | GNUNET_MQ_hd_var_size (credential_result, | ||
1026 | GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_RESULT, | ||
1027 | struct CredentialResultMessage, | ||
1028 | h), | ||
1029 | GNUNET_MQ_hd_var_size (ticket_result, | ||
1030 | GNUNET_MESSAGE_TYPE_RECLAIM_TICKET_RESULT, | ||
1031 | struct TicketResultMessage, | ||
1032 | h), | ||
1033 | GNUNET_MQ_hd_var_size (consume_ticket_result, | ||
1034 | GNUNET_MESSAGE_TYPE_RECLAIM_CONSUME_TICKET_RESULT, | ||
1035 | struct ConsumeTicketResultMessage, | ||
1036 | h), | ||
1037 | GNUNET_MQ_hd_fixed_size (revoke_ticket_result, | ||
1038 | GNUNET_MESSAGE_TYPE_RECLAIM_REVOKE_TICKET_RESULT, | ||
1039 | struct RevokeTicketResultMessage, | ||
1040 | h), | ||
1041 | GNUNET_MQ_handler_end () }; | ||
1042 | struct GNUNET_RECLAIM_Operation *op; | ||
1043 | |||
1044 | GNUNET_assert (NULL == h->mq); | ||
1045 | LOG (GNUNET_ERROR_TYPE_DEBUG, "Connecting to reclaim service.\n"); | ||
1046 | |||
1047 | h->mq = | ||
1048 | GNUNET_CLIENT_connect (h->cfg, "reclaim", handlers, &mq_error_handler, h); | ||
1049 | if (NULL == h->mq) | ||
1050 | return; | ||
1051 | for (op = h->op_head; NULL != op; op = op->next) | ||
1052 | GNUNET_MQ_send_copy (h->mq, op->env); | ||
1053 | } | ||
1054 | |||
1055 | |||
1056 | /** | ||
1057 | * Connect to the reclaim service. | ||
1058 | * | ||
1059 | * @param cfg the configuration to use | ||
1060 | * @return handle to use | ||
1061 | */ | ||
1062 | struct GNUNET_RECLAIM_Handle * | ||
1063 | GNUNET_RECLAIM_connect (const struct GNUNET_CONFIGURATION_Handle *cfg) | ||
1064 | { | ||
1065 | struct GNUNET_RECLAIM_Handle *h; | ||
1066 | |||
1067 | h = GNUNET_new (struct GNUNET_RECLAIM_Handle); | ||
1068 | h->cfg = cfg; | ||
1069 | reconnect (h); | ||
1070 | if (NULL == h->mq) | ||
1071 | { | ||
1072 | GNUNET_free (h); | ||
1073 | return NULL; | ||
1074 | } | ||
1075 | return h; | ||
1076 | } | ||
1077 | |||
1078 | |||
1079 | /** | ||
1080 | * Cancel an operation. Note that the operation MAY still | ||
1081 | * be executed; this merely cancels the continuation; if the request | ||
1082 | * was already transmitted, the service may still choose to complete | ||
1083 | * the operation. | ||
1084 | * | ||
1085 | * @param op operation to cancel | ||
1086 | */ | ||
1087 | void | ||
1088 | GNUNET_RECLAIM_cancel (struct GNUNET_RECLAIM_Operation *op) | ||
1089 | { | ||
1090 | struct GNUNET_RECLAIM_Handle *h = op->h; | ||
1091 | |||
1092 | GNUNET_CONTAINER_DLL_remove (h->op_head, h->op_tail, op); | ||
1093 | free_op (op); | ||
1094 | } | ||
1095 | |||
1096 | |||
1097 | /** | ||
1098 | * Disconnect from service | ||
1099 | * | ||
1100 | * @param h handle to destroy | ||
1101 | */ | ||
1102 | void | ||
1103 | GNUNET_RECLAIM_disconnect (struct GNUNET_RECLAIM_Handle *h) | ||
1104 | { | ||
1105 | GNUNET_assert (NULL != h); | ||
1106 | if (NULL != h->mq) | ||
1107 | { | ||
1108 | GNUNET_MQ_destroy (h->mq); | ||
1109 | h->mq = NULL; | ||
1110 | } | ||
1111 | if (NULL != h->reconnect_task) | ||
1112 | { | ||
1113 | GNUNET_SCHEDULER_cancel (h->reconnect_task); | ||
1114 | h->reconnect_task = NULL; | ||
1115 | } | ||
1116 | GNUNET_assert (NULL == h->op_head); | ||
1117 | GNUNET_free (h); | ||
1118 | } | ||
1119 | |||
1120 | |||
1121 | /** | ||
1122 | * Store an attribute. If the attribute is already present, | ||
1123 | * it is replaced with the new attribute. | ||
1124 | * | ||
1125 | * @param h handle to the re:claimID service | ||
1126 | * @param pkey private key of the identity | ||
1127 | * @param attr the attribute value | ||
1128 | * @param exp_interval the relative expiration interval for the attribute | ||
1129 | * @param cont continuation to call when done | ||
1130 | * @param cont_cls closure for @a cont | ||
1131 | * @return handle to abort the request | ||
1132 | */ | ||
1133 | struct GNUNET_RECLAIM_Operation * | ||
1134 | GNUNET_RECLAIM_attribute_store ( | ||
1135 | struct GNUNET_RECLAIM_Handle *h, | ||
1136 | const struct GNUNET_IDENTITY_PrivateKey *pkey, | ||
1137 | const struct GNUNET_RECLAIM_Attribute *attr, | ||
1138 | const struct GNUNET_TIME_Relative *exp_interval, | ||
1139 | GNUNET_RECLAIM_ContinuationWithStatus cont, | ||
1140 | void *cont_cls) | ||
1141 | { | ||
1142 | struct GNUNET_RECLAIM_Operation *op; | ||
1143 | struct AttributeStoreMessage *sam; | ||
1144 | size_t attr_len; | ||
1145 | |||
1146 | op = GNUNET_new (struct GNUNET_RECLAIM_Operation); | ||
1147 | op->h = h; | ||
1148 | op->as_cb = cont; | ||
1149 | op->cls = cont_cls; | ||
1150 | op->r_id = h->r_id_gen++; | ||
1151 | GNUNET_CONTAINER_DLL_insert_tail (h->op_head, h->op_tail, op); | ||
1152 | attr_len = GNUNET_RECLAIM_attribute_serialize_get_size (attr); | ||
1153 | op->env = GNUNET_MQ_msg_extra (sam, | ||
1154 | attr_len, | ||
1155 | GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_STORE); | ||
1156 | sam->identity = *pkey; | ||
1157 | sam->id = htonl (op->r_id); | ||
1158 | sam->exp = GNUNET_htonll (exp_interval->rel_value_us); | ||
1159 | |||
1160 | GNUNET_RECLAIM_attribute_serialize (attr, (char *) &sam[1]); | ||
1161 | |||
1162 | sam->attr_len = htons (attr_len); | ||
1163 | if (NULL != h->mq) | ||
1164 | GNUNET_MQ_send_copy (h->mq, op->env); | ||
1165 | return op; | ||
1166 | } | ||
1167 | |||
1168 | |||
1169 | /** | ||
1170 | * Delete an attribute. Tickets used to share this attribute are updated | ||
1171 | * accordingly. | ||
1172 | * | ||
1173 | * @param h handle to the re:claimID service | ||
1174 | * @param pkey Private key of the identity to add an attribute to | ||
1175 | * @param attr The attribute | ||
1176 | * @param cont Continuation to call when done | ||
1177 | * @param cont_cls Closure for @a cont | ||
1178 | * @return handle Used to to abort the request | ||
1179 | */ | ||
1180 | struct GNUNET_RECLAIM_Operation * | ||
1181 | GNUNET_RECLAIM_attribute_delete ( | ||
1182 | struct GNUNET_RECLAIM_Handle *h, | ||
1183 | const struct GNUNET_IDENTITY_PrivateKey *pkey, | ||
1184 | const struct GNUNET_RECLAIM_Attribute *attr, | ||
1185 | GNUNET_RECLAIM_ContinuationWithStatus cont, | ||
1186 | void *cont_cls) | ||
1187 | { | ||
1188 | struct GNUNET_RECLAIM_Operation *op; | ||
1189 | struct AttributeDeleteMessage *dam; | ||
1190 | size_t attr_len; | ||
1191 | |||
1192 | op = GNUNET_new (struct GNUNET_RECLAIM_Operation); | ||
1193 | op->h = h; | ||
1194 | op->as_cb = cont; | ||
1195 | op->cls = cont_cls; | ||
1196 | op->r_id = h->r_id_gen++; | ||
1197 | GNUNET_CONTAINER_DLL_insert_tail (h->op_head, h->op_tail, op); | ||
1198 | attr_len = GNUNET_RECLAIM_attribute_serialize_get_size (attr); | ||
1199 | op->env = GNUNET_MQ_msg_extra (dam, | ||
1200 | attr_len, | ||
1201 | GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_DELETE); | ||
1202 | dam->identity = *pkey; | ||
1203 | dam->id = htonl (op->r_id); | ||
1204 | GNUNET_RECLAIM_attribute_serialize (attr, (char *) &dam[1]); | ||
1205 | |||
1206 | dam->attr_len = htons (attr_len); | ||
1207 | if (NULL != h->mq) | ||
1208 | GNUNET_MQ_send_copy (h->mq, op->env); | ||
1209 | return op; | ||
1210 | } | ||
1211 | |||
1212 | |||
1213 | /** | ||
1214 | * Store an credential. If the credential is already present, | ||
1215 | * it is replaced with the new credential. | ||
1216 | * | ||
1217 | * @param h handle to the re:claimID service | ||
1218 | * @param pkey private key of the identity | ||
1219 | * @param attr the credential value | ||
1220 | * @param exp_interval the relative expiration interval for the credential | ||
1221 | * @param cont continuation to call when done | ||
1222 | * @param cont_cls closure for @a cont | ||
1223 | * @return handle to abort the request | ||
1224 | */ | ||
1225 | struct GNUNET_RECLAIM_Operation * | ||
1226 | GNUNET_RECLAIM_credential_store ( | ||
1227 | struct GNUNET_RECLAIM_Handle *h, | ||
1228 | const struct GNUNET_IDENTITY_PrivateKey *pkey, | ||
1229 | const struct GNUNET_RECLAIM_Credential *attr, | ||
1230 | const struct GNUNET_TIME_Relative *exp_interval, | ||
1231 | GNUNET_RECLAIM_ContinuationWithStatus cont, | ||
1232 | void *cont_cls) | ||
1233 | { | ||
1234 | struct GNUNET_RECLAIM_Operation *op; | ||
1235 | struct AttributeStoreMessage *sam; | ||
1236 | size_t attr_len; | ||
1237 | |||
1238 | op = GNUNET_new (struct GNUNET_RECLAIM_Operation); | ||
1239 | op->h = h; | ||
1240 | op->as_cb = cont; | ||
1241 | op->cls = cont_cls; | ||
1242 | op->r_id = h->r_id_gen++; | ||
1243 | GNUNET_CONTAINER_DLL_insert_tail (h->op_head, h->op_tail, op); | ||
1244 | attr_len = GNUNET_RECLAIM_credential_serialize_get_size (attr); | ||
1245 | op->env = GNUNET_MQ_msg_extra (sam, | ||
1246 | attr_len, | ||
1247 | GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_STORE); | ||
1248 | sam->identity = *pkey; | ||
1249 | sam->id = htonl (op->r_id); | ||
1250 | sam->exp = GNUNET_htonll (exp_interval->rel_value_us); | ||
1251 | |||
1252 | GNUNET_RECLAIM_credential_serialize (attr, (char *) &sam[1]); | ||
1253 | |||
1254 | sam->attr_len = htons (attr_len); | ||
1255 | if (NULL != h->mq) | ||
1256 | GNUNET_MQ_send_copy (h->mq, op->env); | ||
1257 | return op; | ||
1258 | } | ||
1259 | |||
1260 | |||
1261 | /** | ||
1262 | * Delete an credential. Tickets used to share this credential are updated | ||
1263 | * accordingly. | ||
1264 | * | ||
1265 | * @param h handle to the re:claimID service | ||
1266 | * @param pkey Private key of the identity to add an attribute to | ||
1267 | * @param attr The credential | ||
1268 | * @param cont Continuation to call when done | ||
1269 | * @param cont_cls Closure for @a cont | ||
1270 | * @return handle Used to to abort the request | ||
1271 | */ | ||
1272 | struct GNUNET_RECLAIM_Operation * | ||
1273 | GNUNET_RECLAIM_credential_delete ( | ||
1274 | struct GNUNET_RECLAIM_Handle *h, | ||
1275 | const struct GNUNET_IDENTITY_PrivateKey *pkey, | ||
1276 | const struct GNUNET_RECLAIM_Credential *attr, | ||
1277 | GNUNET_RECLAIM_ContinuationWithStatus cont, | ||
1278 | void *cont_cls) | ||
1279 | { | ||
1280 | struct GNUNET_RECLAIM_Operation *op; | ||
1281 | struct AttributeDeleteMessage *dam; | ||
1282 | size_t attr_len; | ||
1283 | |||
1284 | op = GNUNET_new (struct GNUNET_RECLAIM_Operation); | ||
1285 | op->h = h; | ||
1286 | op->as_cb = cont; | ||
1287 | op->cls = cont_cls; | ||
1288 | op->r_id = h->r_id_gen++; | ||
1289 | GNUNET_CONTAINER_DLL_insert_tail (h->op_head, h->op_tail, op); | ||
1290 | attr_len = GNUNET_RECLAIM_credential_serialize_get_size (attr); | ||
1291 | op->env = GNUNET_MQ_msg_extra (dam, | ||
1292 | attr_len, | ||
1293 | GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_DELETE); | ||
1294 | dam->identity = *pkey; | ||
1295 | dam->id = htonl (op->r_id); | ||
1296 | GNUNET_RECLAIM_credential_serialize (attr, (char *) &dam[1]); | ||
1297 | |||
1298 | dam->attr_len = htons (attr_len); | ||
1299 | if (NULL != h->mq) | ||
1300 | GNUNET_MQ_send_copy (h->mq, op->env); | ||
1301 | return op; | ||
1302 | } | ||
1303 | |||
1304 | |||
1305 | /** | ||
1306 | * List all attributes for a local identity. | ||
1307 | * This MUST lock the `struct GNUNET_RECLAIM_Handle` | ||
1308 | * for any other calls than #GNUNET_RECLAIM_get_attributes_next() and | ||
1309 | * #GNUNET_RECLAIM_get_attributes_stop. @a proc will be called once | ||
1310 | * immediately, and then again after | ||
1311 | * #GNUNET_RECLAIM_get_attributes_next() is invoked. | ||
1312 | * | ||
1313 | * On error (disconnect), @a error_cb will be invoked. | ||
1314 | * On normal completion, @a finish_cb proc will be | ||
1315 | * invoked. | ||
1316 | * | ||
1317 | * @param h Handle to the re:claimID service | ||
1318 | * @param identity Identity to iterate over | ||
1319 | * @param error_cb Function to call on error (i.e. disconnect), | ||
1320 | * the handle is afterwards invalid | ||
1321 | * @param error_cb_cls Closure for @a error_cb | ||
1322 | * @param proc Function to call on each attribute | ||
1323 | * @param proc_cls Closure for @a proc | ||
1324 | * @param finish_cb Function to call on completion | ||
1325 | * the handle is afterwards invalid | ||
1326 | * @param finish_cb_cls Closure for @a finish_cb | ||
1327 | * @return an iterator Handle to use for iteration | ||
1328 | */ | ||
1329 | struct GNUNET_RECLAIM_AttributeIterator * | ||
1330 | GNUNET_RECLAIM_get_attributes_start ( | ||
1331 | struct GNUNET_RECLAIM_Handle *h, | ||
1332 | const struct GNUNET_IDENTITY_PrivateKey *identity, | ||
1333 | GNUNET_SCHEDULER_TaskCallback error_cb, | ||
1334 | void *error_cb_cls, | ||
1335 | GNUNET_RECLAIM_AttributeResult proc, | ||
1336 | void *proc_cls, | ||
1337 | GNUNET_SCHEDULER_TaskCallback finish_cb, | ||
1338 | void *finish_cb_cls) | ||
1339 | { | ||
1340 | struct GNUNET_RECLAIM_AttributeIterator *it; | ||
1341 | struct GNUNET_MQ_Envelope *env; | ||
1342 | struct AttributeIterationStartMessage *msg; | ||
1343 | uint32_t rid; | ||
1344 | |||
1345 | rid = h->r_id_gen++; | ||
1346 | it = GNUNET_new (struct GNUNET_RECLAIM_AttributeIterator); | ||
1347 | it->h = h; | ||
1348 | it->error_cb = error_cb; | ||
1349 | it->error_cb_cls = error_cb_cls; | ||
1350 | it->finish_cb = finish_cb; | ||
1351 | it->finish_cb_cls = finish_cb_cls; | ||
1352 | it->proc = proc; | ||
1353 | it->proc_cls = proc_cls; | ||
1354 | it->r_id = rid; | ||
1355 | it->identity = *identity; | ||
1356 | GNUNET_CONTAINER_DLL_insert_tail (h->it_head, h->it_tail, it); | ||
1357 | env = | ||
1358 | GNUNET_MQ_msg (msg, GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_ITERATION_START); | ||
1359 | msg->id = htonl (rid); | ||
1360 | msg->identity = *identity; | ||
1361 | if (NULL == h->mq) | ||
1362 | it->env = env; | ||
1363 | else | ||
1364 | GNUNET_MQ_send (h->mq, env); | ||
1365 | return it; | ||
1366 | } | ||
1367 | |||
1368 | |||
1369 | /** | ||
1370 | * Calls the record processor specified in #GNUNET_RECLAIM_get_attributes_start | ||
1371 | * for the next record. | ||
1372 | * | ||
1373 | * @param it the iterator | ||
1374 | */ | ||
1375 | void | ||
1376 | GNUNET_RECLAIM_get_attributes_next (struct GNUNET_RECLAIM_AttributeIterator *it) | ||
1377 | { | ||
1378 | struct GNUNET_RECLAIM_Handle *h = it->h; | ||
1379 | struct AttributeIterationNextMessage *msg; | ||
1380 | struct GNUNET_MQ_Envelope *env; | ||
1381 | |||
1382 | env = | ||
1383 | GNUNET_MQ_msg (msg, GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_ITERATION_NEXT); | ||
1384 | msg->id = htonl (it->r_id); | ||
1385 | GNUNET_MQ_send (h->mq, env); | ||
1386 | } | ||
1387 | |||
1388 | |||
1389 | /** | ||
1390 | * Stops iteration and releases the handle for further calls. Must | ||
1391 | * be called on any iteration that has not yet completed prior to calling | ||
1392 | * #GNUNET_RECLAIM_disconnect. | ||
1393 | * | ||
1394 | * @param it the iterator | ||
1395 | */ | ||
1396 | void | ||
1397 | GNUNET_RECLAIM_get_attributes_stop (struct GNUNET_RECLAIM_AttributeIterator *it) | ||
1398 | { | ||
1399 | struct GNUNET_RECLAIM_Handle *h = it->h; | ||
1400 | struct GNUNET_MQ_Envelope *env; | ||
1401 | struct AttributeIterationStopMessage *msg; | ||
1402 | |||
1403 | if (NULL != h->mq) | ||
1404 | { | ||
1405 | env = | ||
1406 | GNUNET_MQ_msg (msg, GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_ITERATION_STOP); | ||
1407 | msg->id = htonl (it->r_id); | ||
1408 | GNUNET_MQ_send (h->mq, env); | ||
1409 | } | ||
1410 | free_it (it); | ||
1411 | } | ||
1412 | |||
1413 | |||
1414 | /** | ||
1415 | * List all credentials for a local identity. | ||
1416 | * This MUST lock the `struct GNUNET_RECLAIM_Handle` | ||
1417 | * for any other calls than #GNUNET_RECLAIM_get_credentials_next() and | ||
1418 | * #GNUNET_RECLAIM_get_credentials_stop. @a proc will be called once | ||
1419 | * immediately, and then again after | ||
1420 | * #GNUNET_RECLAIM_get_credentials_next() is invoked. | ||
1421 | * | ||
1422 | * On error (disconnect), @a error_cb will be invoked. | ||
1423 | * On normal completion, @a finish_cb proc will be | ||
1424 | * invoked. | ||
1425 | * | ||
1426 | * @param h Handle to the re:claimID service | ||
1427 | * @param identity Identity to iterate over | ||
1428 | * @param error_cb Function to call on error (i.e. disconnect), | ||
1429 | * the handle is afterwards invalid | ||
1430 | * @param error_cb_cls Closure for @a error_cb | ||
1431 | * @param proc Function to call on each credential | ||
1432 | * @param proc_cls Closure for @a proc | ||
1433 | * @param finish_cb Function to call on completion | ||
1434 | * the handle is afterwards invalid | ||
1435 | * @param finish_cb_cls Closure for @a finish_cb | ||
1436 | * @return an iterator Handle to use for iteration | ||
1437 | */ | ||
1438 | struct GNUNET_RECLAIM_CredentialIterator * | ||
1439 | GNUNET_RECLAIM_get_credentials_start ( | ||
1440 | struct GNUNET_RECLAIM_Handle *h, | ||
1441 | const struct GNUNET_IDENTITY_PrivateKey *identity, | ||
1442 | GNUNET_SCHEDULER_TaskCallback error_cb, | ||
1443 | void *error_cb_cls, | ||
1444 | GNUNET_RECLAIM_CredentialResult proc, | ||
1445 | void *proc_cls, | ||
1446 | GNUNET_SCHEDULER_TaskCallback finish_cb, | ||
1447 | void *finish_cb_cls) | ||
1448 | { | ||
1449 | struct GNUNET_RECLAIM_CredentialIterator *ait; | ||
1450 | struct GNUNET_MQ_Envelope *env; | ||
1451 | struct CredentialIterationStartMessage *msg; | ||
1452 | uint32_t rid; | ||
1453 | |||
1454 | rid = h->r_id_gen++; | ||
1455 | ait = GNUNET_new (struct GNUNET_RECLAIM_CredentialIterator); | ||
1456 | ait->h = h; | ||
1457 | ait->error_cb = error_cb; | ||
1458 | ait->error_cb_cls = error_cb_cls; | ||
1459 | ait->finish_cb = finish_cb; | ||
1460 | ait->finish_cb_cls = finish_cb_cls; | ||
1461 | ait->proc = proc; | ||
1462 | ait->proc_cls = proc_cls; | ||
1463 | ait->r_id = rid; | ||
1464 | ait->identity = *identity; | ||
1465 | GNUNET_CONTAINER_DLL_insert_tail (h->ait_head, h->ait_tail, ait); | ||
1466 | env = | ||
1467 | GNUNET_MQ_msg (msg, | ||
1468 | GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_ITERATION_START); | ||
1469 | msg->id = htonl (rid); | ||
1470 | msg->identity = *identity; | ||
1471 | if (NULL == h->mq) | ||
1472 | ait->env = env; | ||
1473 | else | ||
1474 | GNUNET_MQ_send (h->mq, env); | ||
1475 | return ait; | ||
1476 | } | ||
1477 | |||
1478 | |||
1479 | /** | ||
1480 | * Calls the record processor specified in #GNUNET_RECLAIM_get_credential_start | ||
1481 | * for the next record. | ||
1482 | * | ||
1483 | * @param it the iterator | ||
1484 | */ | ||
1485 | void | ||
1486 | GNUNET_RECLAIM_get_credentials_next (struct | ||
1487 | GNUNET_RECLAIM_CredentialIterator *ait) | ||
1488 | { | ||
1489 | struct GNUNET_RECLAIM_Handle *h = ait->h; | ||
1490 | struct CredentialIterationNextMessage *msg; | ||
1491 | struct GNUNET_MQ_Envelope *env; | ||
1492 | |||
1493 | env = | ||
1494 | GNUNET_MQ_msg (msg, GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_ITERATION_NEXT); | ||
1495 | msg->id = htonl (ait->r_id); | ||
1496 | GNUNET_MQ_send (h->mq, env); | ||
1497 | } | ||
1498 | |||
1499 | |||
1500 | /** | ||
1501 | * Stops iteration and releases the handle for further calls. Must | ||
1502 | * be called on any iteration that has not yet completed prior to calling | ||
1503 | * #GNUNET_RECLAIM_disconnect. | ||
1504 | * | ||
1505 | * @param it the iterator | ||
1506 | */ | ||
1507 | void | ||
1508 | GNUNET_RECLAIM_get_credentials_stop (struct | ||
1509 | GNUNET_RECLAIM_CredentialIterator *ait) | ||
1510 | { | ||
1511 | struct GNUNET_RECLAIM_Handle *h = ait->h; | ||
1512 | struct GNUNET_MQ_Envelope *env; | ||
1513 | struct CredentialIterationStopMessage *msg; | ||
1514 | |||
1515 | if (NULL != h->mq) | ||
1516 | { | ||
1517 | env = | ||
1518 | GNUNET_MQ_msg (msg, | ||
1519 | GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_ITERATION_STOP); | ||
1520 | msg->id = htonl (ait->r_id); | ||
1521 | GNUNET_MQ_send (h->mq, env); | ||
1522 | } | ||
1523 | free_ait (ait); | ||
1524 | } | ||
1525 | |||
1526 | |||
1527 | /** | ||
1528 | * Issues a ticket to another relying party. The identity may use | ||
1529 | * @GNUNET_RECLAIM_ticket_consume to consume the ticket | ||
1530 | * and retrieve the attributes specified in the attribute list. | ||
1531 | * | ||
1532 | * @param h the reclaim to use | ||
1533 | * @param iss the issuing identity (= the user) | ||
1534 | * @param rp the subject of the ticket (= the relying party) | ||
1535 | * @param attrs the attributes that the relying party is given access to | ||
1536 | * @param cb the callback | ||
1537 | * @param cb_cls the callback closure | ||
1538 | * @return handle to abort the operation | ||
1539 | */ | ||
1540 | struct GNUNET_RECLAIM_Operation * | ||
1541 | GNUNET_RECLAIM_ticket_issue ( | ||
1542 | struct GNUNET_RECLAIM_Handle *h, | ||
1543 | const struct GNUNET_IDENTITY_PrivateKey *iss, | ||
1544 | const struct GNUNET_IDENTITY_PublicKey *rp, | ||
1545 | const struct GNUNET_RECLAIM_AttributeList *attrs, | ||
1546 | GNUNET_RECLAIM_IssueTicketCallback cb, | ||
1547 | void *cb_cls) | ||
1548 | { | ||
1549 | struct GNUNET_RECLAIM_Operation *op; | ||
1550 | struct IssueTicketMessage *tim; | ||
1551 | size_t attr_len; | ||
1552 | |||
1553 | op = GNUNET_new (struct GNUNET_RECLAIM_Operation); | ||
1554 | op->h = h; | ||
1555 | op->ti_cb = cb; | ||
1556 | op->cls = cb_cls; | ||
1557 | op->r_id = h->r_id_gen++; | ||
1558 | GNUNET_CONTAINER_DLL_insert_tail (h->op_head, h->op_tail, op); | ||
1559 | attr_len = GNUNET_RECLAIM_attribute_list_serialize_get_size (attrs); | ||
1560 | op->env = GNUNET_MQ_msg_extra (tim, | ||
1561 | attr_len, | ||
1562 | GNUNET_MESSAGE_TYPE_RECLAIM_ISSUE_TICKET); | ||
1563 | tim->identity = *iss; | ||
1564 | tim->rp = *rp; | ||
1565 | tim->id = htonl (op->r_id); | ||
1566 | |||
1567 | GNUNET_RECLAIM_attribute_list_serialize (attrs, (char *) &tim[1]); | ||
1568 | |||
1569 | tim->attr_len = htons (attr_len); | ||
1570 | if (NULL != h->mq) | ||
1571 | GNUNET_MQ_send_copy (h->mq, op->env); | ||
1572 | return op; | ||
1573 | } | ||
1574 | |||
1575 | |||
1576 | /** | ||
1577 | * Consumes an issued ticket. The ticket is persisted | ||
1578 | * and used to retrieve identity information from the issuer | ||
1579 | * | ||
1580 | * @param h the reclaim to use | ||
1581 | * @param identity the identity that is the subject of the issued ticket (the | ||
1582 | * relying party) | ||
1583 | * @param ticket the issued ticket to consume | ||
1584 | * @param cb the callback to call | ||
1585 | * @param cb_cls the callback closure | ||
1586 | * @return handle to abort the operation | ||
1587 | */ | ||
1588 | struct GNUNET_RECLAIM_Operation * | ||
1589 | GNUNET_RECLAIM_ticket_consume ( | ||
1590 | struct GNUNET_RECLAIM_Handle *h, | ||
1591 | const struct GNUNET_IDENTITY_PrivateKey *identity, | ||
1592 | const struct GNUNET_RECLAIM_Ticket *ticket, | ||
1593 | GNUNET_RECLAIM_AttributeTicketResult cb, | ||
1594 | void *cb_cls) | ||
1595 | { | ||
1596 | struct GNUNET_RECLAIM_Operation *op; | ||
1597 | struct ConsumeTicketMessage *ctm; | ||
1598 | |||
1599 | op = GNUNET_new (struct GNUNET_RECLAIM_Operation); | ||
1600 | op->h = h; | ||
1601 | op->atr_cb = cb; | ||
1602 | op->cls = cb_cls; | ||
1603 | op->r_id = h->r_id_gen++; | ||
1604 | GNUNET_CONTAINER_DLL_insert_tail (h->op_head, h->op_tail, op); | ||
1605 | op->env = GNUNET_MQ_msg (ctm, GNUNET_MESSAGE_TYPE_RECLAIM_CONSUME_TICKET); | ||
1606 | ctm->identity = *identity; | ||
1607 | ctm->id = htonl (op->r_id); | ||
1608 | ctm->ticket = *ticket; | ||
1609 | if (NULL != h->mq) | ||
1610 | GNUNET_MQ_send_copy (h->mq, op->env); | ||
1611 | else | ||
1612 | reconnect (h); | ||
1613 | return op; | ||
1614 | } | ||
1615 | |||
1616 | |||
1617 | /** | ||
1618 | * Lists all tickets that have been issued to remote | ||
1619 | * identites (relying parties) | ||
1620 | * | ||
1621 | * @param h the reclaim to use | ||
1622 | * @param identity the issuing identity | ||
1623 | * @param error_cb function to call on error (i.e. disconnect), | ||
1624 | * the handle is afterwards invalid | ||
1625 | * @param error_cb_cls closure for @a error_cb | ||
1626 | * @param proc function to call on each ticket; it | ||
1627 | * will be called repeatedly with a value (if available) | ||
1628 | * @param proc_cls closure for @a proc | ||
1629 | * @param finish_cb function to call on completion | ||
1630 | * the handle is afterwards invalid | ||
1631 | * @param finish_cb_cls closure for @a finish_cb | ||
1632 | * @return an iterator handle to use for iteration | ||
1633 | */ | ||
1634 | struct GNUNET_RECLAIM_TicketIterator * | ||
1635 | GNUNET_RECLAIM_ticket_iteration_start ( | ||
1636 | struct GNUNET_RECLAIM_Handle *h, | ||
1637 | const struct GNUNET_IDENTITY_PrivateKey *identity, | ||
1638 | GNUNET_SCHEDULER_TaskCallback error_cb, | ||
1639 | void *error_cb_cls, | ||
1640 | GNUNET_RECLAIM_TicketCallback proc, | ||
1641 | void *proc_cls, | ||
1642 | GNUNET_SCHEDULER_TaskCallback finish_cb, | ||
1643 | void *finish_cb_cls) | ||
1644 | { | ||
1645 | struct GNUNET_RECLAIM_TicketIterator *it; | ||
1646 | struct GNUNET_MQ_Envelope *env; | ||
1647 | struct TicketIterationStartMessage *msg; | ||
1648 | uint32_t rid; | ||
1649 | |||
1650 | rid = h->r_id_gen++; | ||
1651 | it = GNUNET_new (struct GNUNET_RECLAIM_TicketIterator); | ||
1652 | it->h = h; | ||
1653 | it->error_cb = error_cb; | ||
1654 | it->error_cb_cls = error_cb_cls; | ||
1655 | it->finish_cb = finish_cb; | ||
1656 | it->finish_cb_cls = finish_cb_cls; | ||
1657 | it->tr_cb = proc; | ||
1658 | it->cls = proc_cls; | ||
1659 | it->r_id = rid; | ||
1660 | GNUNET_CONTAINER_DLL_insert_tail (h->ticket_it_head, h->ticket_it_tail, it); | ||
1661 | env = GNUNET_MQ_msg (msg, GNUNET_MESSAGE_TYPE_RECLAIM_TICKET_ITERATION_START); | ||
1662 | msg->id = htonl (rid); | ||
1663 | msg->identity = *identity; | ||
1664 | if (NULL == h->mq) | ||
1665 | it->env = env; | ||
1666 | else | ||
1667 | GNUNET_MQ_send (h->mq, env); | ||
1668 | return it; | ||
1669 | } | ||
1670 | |||
1671 | |||
1672 | /** | ||
1673 | * Calls the ticket processor specified in | ||
1674 | * #GNUNET_RECLAIM_ticket_iteration_start for the next record. | ||
1675 | * | ||
1676 | * @param it the iterator | ||
1677 | */ | ||
1678 | void | ||
1679 | GNUNET_RECLAIM_ticket_iteration_next (struct GNUNET_RECLAIM_TicketIterator *it) | ||
1680 | { | ||
1681 | struct GNUNET_RECLAIM_Handle *h = it->h; | ||
1682 | struct TicketIterationNextMessage *msg; | ||
1683 | struct GNUNET_MQ_Envelope *env; | ||
1684 | |||
1685 | env = GNUNET_MQ_msg (msg, GNUNET_MESSAGE_TYPE_RECLAIM_TICKET_ITERATION_NEXT); | ||
1686 | msg->id = htonl (it->r_id); | ||
1687 | GNUNET_MQ_send (h->mq, env); | ||
1688 | } | ||
1689 | |||
1690 | |||
1691 | /** | ||
1692 | * Stops iteration and releases the handle for further calls. Must | ||
1693 | * be called on any iteration that has not yet completed prior to calling | ||
1694 | * #GNUNET_RECLAIM_disconnect. | ||
1695 | * | ||
1696 | * @param it the iterator | ||
1697 | */ | ||
1698 | void | ||
1699 | GNUNET_RECLAIM_ticket_iteration_stop (struct GNUNET_RECLAIM_TicketIterator *it) | ||
1700 | { | ||
1701 | struct GNUNET_RECLAIM_Handle *h = it->h; | ||
1702 | struct GNUNET_MQ_Envelope *env; | ||
1703 | struct TicketIterationStopMessage *msg; | ||
1704 | |||
1705 | if (NULL != h->mq) | ||
1706 | { | ||
1707 | env = | ||
1708 | GNUNET_MQ_msg (msg, GNUNET_MESSAGE_TYPE_RECLAIM_TICKET_ITERATION_STOP); | ||
1709 | msg->id = htonl (it->r_id); | ||
1710 | GNUNET_MQ_send (h->mq, env); | ||
1711 | } | ||
1712 | GNUNET_free (it); | ||
1713 | } | ||
1714 | |||
1715 | |||
1716 | /** | ||
1717 | * Revoked an issued ticket. The relying party will be unable to retrieve | ||
1718 | * attributes. Other issued tickets remain unaffected. | ||
1719 | * This includes tickets issued to other relying parties as well as to | ||
1720 | * other tickets issued to the audience specified in this ticket. | ||
1721 | * | ||
1722 | * @param h the identity provider to use | ||
1723 | * @param identity the issuing identity | ||
1724 | * @param ticket the ticket to revoke | ||
1725 | * @param cb the callback | ||
1726 | * @param cb_cls the callback closure | ||
1727 | * @return handle to abort the operation | ||
1728 | */ | ||
1729 | struct GNUNET_RECLAIM_Operation * | ||
1730 | GNUNET_RECLAIM_ticket_revoke ( | ||
1731 | struct GNUNET_RECLAIM_Handle *h, | ||
1732 | const struct GNUNET_IDENTITY_PrivateKey *identity, | ||
1733 | const struct GNUNET_RECLAIM_Ticket *ticket, | ||
1734 | GNUNET_RECLAIM_ContinuationWithStatus cb, | ||
1735 | void *cb_cls) | ||
1736 | { | ||
1737 | struct GNUNET_RECLAIM_Operation *op; | ||
1738 | struct RevokeTicketMessage *msg; | ||
1739 | uint32_t rid; | ||
1740 | |||
1741 | rid = h->r_id_gen++; | ||
1742 | op = GNUNET_new (struct GNUNET_RECLAIM_Operation); | ||
1743 | op->h = h; | ||
1744 | op->rvk_cb = cb; | ||
1745 | op->cls = cb_cls; | ||
1746 | op->r_id = rid; | ||
1747 | GNUNET_CONTAINER_DLL_insert_tail (h->op_head, h->op_tail, op); | ||
1748 | op->env = GNUNET_MQ_msg (msg, GNUNET_MESSAGE_TYPE_RECLAIM_REVOKE_TICKET); | ||
1749 | msg->id = htonl (rid); | ||
1750 | msg->identity = *identity; | ||
1751 | msg->ticket = *ticket; | ||
1752 | if (NULL != h->mq) | ||
1753 | { | ||
1754 | GNUNET_MQ_send (h->mq, op->env); | ||
1755 | op->env = NULL; | ||
1756 | } | ||
1757 | return op; | ||
1758 | } | ||
1759 | |||
1760 | |||
1761 | /* end of reclaim_api.c */ | ||