GNUnet  0.11.x
Data Structures | Functions | Variables
gnunet-service-reclaim.c File Reference

reclaim Service More...

#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet-service-reclaim_tickets.h"
#include "gnunet_constants.h"
#include "gnunet_gnsrecord_lib.h"
#include "gnunet_protocols.h"
#include "gnunet_reclaim_lib.h"
#include "gnunet_reclaim_service.h"
#include "gnunet_signatures.h"
#include "reclaim.h"
Include dependency graph for gnunet-service-reclaim.c:

Go to the source code of this file.

Data Structures

struct  TicketIteration
 A ticket iteration operation. More...
 
struct  Iterator
 An attribute iteration operation. More...
 
struct  IdpClient
 An idp client. More...
 
struct  AttributeDeleteHandle
 Handle for attribute deletion request. More...
 
struct  AttributeStoreHandle
 Handle for attribute store request. More...
 
struct  ConsumeTicketOperation
 Handle for ticket consume request. More...
 
struct  TicketRevocationOperation
 Ticket revocation request handle. More...
 
struct  TicketIssueOperation
 Ticket issue operation handle. More...
 

Functions

static void cleanup_adh (struct AttributeDeleteHandle *adh)
 Cleanup attribute delete handle. More...
 
static void cleanup_as_handle (struct AttributeStoreHandle *ash)
 Cleanup attribute store handle. More...
 
static void cleanup_client (struct IdpClient *idp)
 Cleanup client. More...
 
static void cleanup ()
 Cleanup task. More...
 
static void do_shutdown (void *cls)
 Shutdown task. More...
 
static void send_ticket_result (const struct IdpClient *client, uint32_t r_id, const struct GNUNET_RECLAIM_Ticket *ticket, const struct GNUNET_RECLAIM_PresentationList *presentations, uint32_t success)
 Sends a ticket result message to the client. More...
 
static void issue_ticket_result_cb (void *cls, struct GNUNET_RECLAIM_Ticket *ticket, struct GNUNET_RECLAIM_PresentationList *presentations, int32_t success, const char *emsg)
 Issue ticket result. More...
 
static int check_issue_ticket_message (void *cls, const struct IssueTicketMessage *im)
 Check issue ticket message. More...
 
static void handle_issue_ticket_message (void *cls, const struct IssueTicketMessage *im)
 Handle ticket issue message. More...
 
static void revoke_result_cb (void *cls, int32_t success)
 Handles revocation result. More...
 
static int check_revoke_ticket_message (void *cls, const struct RevokeTicketMessage *im)
 Check revocation message format. More...
 
static void handle_revoke_ticket_message (void *cls, const struct RevokeTicketMessage *rm)
 Handle a revocation message to a ticket. More...
 
static void consume_result_cb (void *cls, const struct GNUNET_CRYPTO_EcdsaPublicKey *identity, const struct GNUNET_RECLAIM_AttributeList *attrs, const struct GNUNET_RECLAIM_PresentationList *presentations, int32_t success, const char *emsg)
 Handle a ticket consume result. More...
 
static int check_consume_ticket_message (void *cls, const struct ConsumeTicketMessage *cm)
 Check a consume ticket message. More...
 
static void handle_consume_ticket_message (void *cls, const struct ConsumeTicketMessage *cm)
 Handle a consume ticket message. More...
 
static void attr_store_cont (void *cls, int32_t success, const char *emsg)
 Attribute store result handler. More...
 
static void attr_store_task (void *cls)
 Add a new attribute. More...
 
static int check_attribute_store_message (void *cls, const struct AttributeStoreMessage *sam)
 Check an attribute store message. More...
 
static void handle_attribute_store_message (void *cls, const struct AttributeStoreMessage *sam)
 Handle an attribute store message. More...
 
static void cred_store_cont (void *cls, int32_t success, const char *emsg)
 Credential store result handler. More...
 
static void cred_error (void *cls)
 Error looking up potential credential. More...
 
static void cred_add_cb (void *cls, const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone, const char *label, unsigned int rd_count, const struct GNUNET_GNSRECORD_Data *rd)
 Check for existing record before storing credential. More...
 
static void cred_store_task (void *cls)
 Add a new credential. More...
 
static int check_credential_store_message (void *cls, const struct AttributeStoreMessage *sam)
 Check an credential store message. More...
 
static void handle_credential_store_message (void *cls, const struct AttributeStoreMessage *sam)
 Handle a credential store message. More...
 
static void send_delete_response (struct AttributeDeleteHandle *adh, int32_t success)
 Send a deletion success response. More...
 
static void ticket_iter (void *cls, const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone, const char *label, unsigned int rd_count, const struct GNUNET_GNSRECORD_Data *rd)
 Namestore iteration within attribute deletion. More...
 
static void update_tickets (void *cls)
 Recursion prototype for function. More...
 
static void ticket_updated (void *cls, int32_t success, const char *emsg)
 Callback called when a ticket was updated. More...
 
static void ticket_iter_fin (void *cls)
 Done collecting affected tickets, start updating. More...
 
static void ticket_iter_err (void *cls)
 Error collecting affected tickets. More...
 
static void start_ticket_update (void *cls)
 Start processing tickets which may still contain reference to deleted attribute. More...
 
static void attr_delete_cont (void *cls, int32_t success, const char *emsg)
 Attribute deleted callback. More...
 
static int check_attribute_delete_message (void *cls, const struct AttributeDeleteMessage *dam)
 Check attribute delete message format. More...
 
static void handle_attribute_delete_message (void *cls, const struct AttributeDeleteMessage *dam)
 Handle attribute deletion. More...
 
static void cred_delete_cont (void *cls, int32_t success, const char *emsg)
 Credential deleted callback. More...
 
static int check_credential_delete_message (void *cls, const struct AttributeDeleteMessage *dam)
 Check credential delete message format. More...
 
static void handle_credential_delete_message (void *cls, const struct AttributeDeleteMessage *dam)
 Handle credential deletion. More...
 
static void attr_iter_finished (void *cls)
 Done iterating over attributes. More...
 
static void attr_iter_error (void *cls)
 Error iterating over attributes. More...
 
static void attr_iter_cb (void *cls, const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone, const char *label, unsigned int rd_count, const struct GNUNET_GNSRECORD_Data *rd)
 Got record. More...
 
static void handle_iteration_start (void *cls, const struct AttributeIterationStartMessage *ais_msg)
 Iterate over zone to get attributes. More...
 
static void handle_iteration_stop (void *cls, const struct AttributeIterationStopMessage *ais_msg)
 Handle iteration stop message from client. More...
 
static void handle_iteration_next (void *cls, const struct AttributeIterationNextMessage *ais_msg)
 Client requests next attribute from iterator. More...
 
static void cred_iter_finished (void *cls)
 Done iterating over credentials. More...
 
static void cred_iter_error (void *cls)
 Error iterating over credentials. More...
 
static void cred_iter_cb (void *cls, const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone, const char *label, unsigned int rd_count, const struct GNUNET_GNSRECORD_Data *rd)
 Got record. More...
 
static void handle_credential_iteration_start (void *cls, const struct CredentialIterationStartMessage *ais_msg)
 Iterate over zone to get attributes. More...
 
static void handle_credential_iteration_stop (void *cls, const struct CredentialIterationStopMessage *ais_msg)
 Handle iteration stop message from client. More...
 
static void handle_credential_iteration_next (void *cls, const struct CredentialIterationNextMessage *ais_msg)
 Client requests next credential from iterator. More...
 
static void ticket_iter_cb (void *cls, struct GNUNET_RECLAIM_Ticket *ticket)
 Got a ticket. More...
 
static void handle_ticket_iteration_start (void *cls, const struct TicketIterationStartMessage *tis_msg)
 Client requests a ticket iteration. More...
 
static void handle_ticket_iteration_stop (void *cls, const struct TicketIterationStopMessage *tis_msg)
 Client has had enough tickets. More...
 
static void handle_ticket_iteration_next (void *cls, const struct TicketIterationNextMessage *tis_msg)
 Client requests next result. More...
 
static void run (void *cls, const struct GNUNET_CONFIGURATION_Handle *c, struct GNUNET_SERVICE_Handle *server)
 Main function that will be run. More...
 
static void client_disconnect_cb (void *cls, struct GNUNET_SERVICE_Client *client, void *app_ctx)
 Called whenever a client is disconnected. More...
 
static void * client_connect_cb (void *cls, struct GNUNET_SERVICE_Client *client, struct GNUNET_MQ_Handle *mq)
 Add a client to our list of active clients. More...
 
 GNUNET_SERVICE_MAIN ("reclaim", GNUNET_SERVICE_OPTION_NONE, &run, &client_connect_cb, &client_disconnect_cb, NULL, GNUNET_MQ_hd_var_size(attribute_store_message, GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_STORE, struct AttributeStoreMessage, NULL), GNUNET_MQ_hd_var_size(credential_store_message, GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_STORE, struct AttributeStoreMessage, NULL), GNUNET_MQ_hd_var_size(attribute_delete_message, GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_DELETE, struct AttributeDeleteMessage, NULL), GNUNET_MQ_hd_var_size(credential_delete_message, GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_DELETE, struct AttributeDeleteMessage, NULL), GNUNET_MQ_hd_fixed_size(iteration_start, GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_ITERATION_START, struct AttributeIterationStartMessage, NULL), GNUNET_MQ_hd_fixed_size(iteration_next, GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_ITERATION_NEXT, struct AttributeIterationNextMessage, NULL), GNUNET_MQ_hd_fixed_size(iteration_stop, GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_ITERATION_STOP, struct AttributeIterationStopMessage, NULL), GNUNET_MQ_hd_fixed_size(credential_iteration_start, GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_ITERATION_START, struct CredentialIterationStartMessage, NULL), GNUNET_MQ_hd_fixed_size(credential_iteration_next, GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_ITERATION_NEXT, struct CredentialIterationNextMessage, NULL), GNUNET_MQ_hd_fixed_size(credential_iteration_stop, GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_ITERATION_STOP, struct CredentialIterationStopMessage, NULL), GNUNET_MQ_hd_var_size(issue_ticket_message, GNUNET_MESSAGE_TYPE_RECLAIM_ISSUE_TICKET, struct IssueTicketMessage, NULL), GNUNET_MQ_hd_var_size(consume_ticket_message, GNUNET_MESSAGE_TYPE_RECLAIM_CONSUME_TICKET, struct ConsumeTicketMessage, NULL), GNUNET_MQ_hd_fixed_size(ticket_iteration_start, GNUNET_MESSAGE_TYPE_RECLAIM_TICKET_ITERATION_START, struct TicketIterationStartMessage, NULL), GNUNET_MQ_hd_fixed_size(ticket_iteration_next, GNUNET_MESSAGE_TYPE_RECLAIM_TICKET_ITERATION_NEXT, struct TicketIterationNextMessage, NULL), GNUNET_MQ_hd_fixed_size(ticket_iteration_stop, GNUNET_MESSAGE_TYPE_RECLAIM_TICKET_ITERATION_STOP, struct TicketIterationStopMessage, NULL), GNUNET_MQ_hd_var_size(revoke_ticket_message, GNUNET_MESSAGE_TYPE_RECLAIM_REVOKE_TICKET, struct RevokeTicketMessage, NULL), GNUNET_MQ_handler_end())
 Define "main" method using service macro. More...
 

Variables

static struct GNUNET_NAMESTORE_Handlensh
 Namestore handle. More...
 
static struct GNUNET_SCHEDULER_Tasktimeout_task
 Timeout task. More...
 
static const struct GNUNET_CONFIGURATION_Handlecfg
 Our configuration. More...
 
static struct IdpClientclient_list_head = NULL
 Client list. More...
 
static struct IdpClientclient_list_tail = NULL
 Client list. More...
 

Detailed Description

reclaim Service

Author
Martin Schanzenbach

Definition in file gnunet-service-reclaim.c.

Function Documentation

◆ cleanup_adh()

static void cleanup_adh ( struct AttributeDeleteHandle adh)
static

Cleanup attribute delete handle.

Parameters
adhthe attribute to cleanup

Definition at line 479 of file gnunet-service-reclaim.c.

References AttributeDeleteHandle::claim, AttributeDeleteHandle::credential, TicketRecordsEntry::data, GNUNET_CONTAINER_DLL_remove, GNUNET_free, GNUNET_NAMESTORE_cancel(), GNUNET_NAMESTORE_zone_iteration_stop(), TicketRecordsEntry::label, AttributeDeleteHandle::label, AttributeDeleteHandle::ns_it, AttributeDeleteHandle::ns_qe, AttributeDeleteHandle::tickets_to_update_head, and AttributeDeleteHandle::tickets_to_update_tail.

Referenced by attr_delete_cont(), cleanup_client(), cred_delete_cont(), ticket_iter_err(), and update_tickets().

480 {
481  struct TicketRecordsEntry *le;
482 
483  if (NULL != adh->ns_it)
485  if (NULL != adh->ns_qe)
487  if (NULL != adh->label)
488  GNUNET_free (adh->label);
489  if (NULL != adh->claim)
490  GNUNET_free (adh->claim);
491  if (NULL != adh->credential)
492  GNUNET_free (adh->credential);
493  while (NULL != (le = adh->tickets_to_update_head))
494  {
497  le);
498  if (NULL != le->label)
499  GNUNET_free (le->label);
500  if (NULL != le->data)
501  GNUNET_free (le->data);
502  GNUNET_free (le);
503  }
504  GNUNET_free (adh);
505 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
struct TicketRecordsEntry * tickets_to_update_tail
Tickets to update.
struct GNUNET_NAMESTORE_QueueEntry * ns_qe
QueueEntry.
void GNUNET_NAMESTORE_cancel(struct GNUNET_NAMESTORE_QueueEntry *qe)
Cancel a namestore operation.
struct GNUNET_NAMESTORE_ZoneIterator * ns_it
Iterator.
struct GNUNET_RECLAIM_Credential * credential
The credential to delete.
struct TicketRecordsEntry * tickets_to_update_head
Tickets to update.
void GNUNET_NAMESTORE_zone_iteration_stop(struct GNUNET_NAMESTORE_ZoneIterator *it)
Stops iteration and releases the namestore handle for further calls.
char * label
Attribute label.
struct GNUNET_RECLAIM_Attribute * claim
The attribute to delete.
#define GNUNET_free(ptr)
Wrapper around free.
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◆ cleanup_as_handle()

static void cleanup_as_handle ( struct AttributeStoreHandle ash)
static

Cleanup attribute store handle.

Parameters
handlehandle to clean up

Definition at line 514 of file gnunet-service-reclaim.c.

References AttributeStoreHandle::claim, AttributeStoreHandle::credential, GNUNET_free, GNUNET_NAMESTORE_cancel(), and AttributeStoreHandle::ns_qe.

Referenced by attr_store_cont(), cleanup_client(), cred_error(), and cred_store_cont().

515 {
516  if (NULL != ash->ns_qe)
518  if (NULL != ash->claim)
519  GNUNET_free (ash->claim);
520  if (NULL != ash->credential)
521  GNUNET_free (ash->credential);
522  GNUNET_free (ash);
523 }
void GNUNET_NAMESTORE_cancel(struct GNUNET_NAMESTORE_QueueEntry *qe)
Cancel a namestore operation.
struct GNUNET_RECLAIM_Credential * credential
The credential to store.
struct GNUNET_NAMESTORE_QueueEntry * ns_qe
QueueEntry.
struct GNUNET_RECLAIM_Attribute * claim
The attribute to store.
#define GNUNET_free(ptr)
Wrapper around free.
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◆ cleanup_client()

static void cleanup_client ( struct IdpClient idp)
static

Cleanup client.

Parameters
idpthe client to clean up

Definition at line 532 of file gnunet-service-reclaim.c.

References ai, IdpClient::attr_iter_head, IdpClient::attr_iter_tail, ConsumeTicketOperation::ch, cleanup_adh(), cleanup_as_handle(), IdpClient::consume_op_head, IdpClient::consume_op_tail, IdpClient::cred_iter_head, IdpClient::cred_iter_tail, IdpClient::delete_op_head, IdpClient::delete_op_tail, GNUNET_CONTAINER_DLL_remove, GNUNET_free, IdpClient::issue_op_head, IdpClient::issue_op_tail, TicketIteration::iter, RECLAIM_TICKETS_consume_cancel(), RECLAIM_TICKETS_iteration_stop(), RECLAIM_TICKETS_revoke_cancel(), IdpClient::revoke_op_head, IdpClient::revoke_op_tail, TicketRevocationOperation::rh, IdpClient::store_op_head, IdpClient::store_op_tail, IdpClient::ticket_iter_head, and IdpClient::ticket_iter_tail.

Referenced by cleanup(), and client_disconnect_cb().

533 {
534  struct Iterator *ai;
535  struct TicketIteration *ti;
536  struct TicketRevocationOperation *rop;
537  struct TicketIssueOperation *iss;
538  struct ConsumeTicketOperation *ct;
539  struct AttributeStoreHandle *as;
540  struct AttributeDeleteHandle *adh;
541 
542  while (NULL != (iss = idp->issue_op_head))
543  {
545  GNUNET_free (iss);
546  }
547  while (NULL != (ct = idp->consume_op_head))
548  {
550  idp->consume_op_tail,
551  ct);
552  if (NULL != ct->ch)
554  GNUNET_free (ct);
555  }
556  while (NULL != (as = idp->store_op_head))
557  {
559  cleanup_as_handle (as);
560  }
561  while (NULL != (adh = idp->delete_op_head))
562  {
564  cleanup_adh (adh);
565  }
566 
567  while (NULL != (ai = idp->attr_iter_head))
568  {
570  GNUNET_free (ai);
571  }
572  while (NULL != (ai = idp->cred_iter_head))
573  {
575  ai);
576  GNUNET_free (ai);
577  }
578 
579  while (NULL != (rop = idp->revoke_op_head))
580  {
582  if (NULL != rop->rh)
584  GNUNET_free (rop);
585  }
586  while (NULL != (ti = idp->ticket_iter_head))
587  {
589  idp->ticket_iter_tail,
590  ti);
591  if (NULL != ti->iter)
593  GNUNET_free (ti);
594  }
595  GNUNET_free (idp);
596 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
Handle for attribute deletion request.
struct TicketIteration * ticket_iter_tail
Tail of DLL of ticket iteration ops.
struct ConsumeTicketOperation * consume_op_head
Head of DLL of ticket consume ops.
Ticket issue operation handle.
void RECLAIM_TICKETS_iteration_stop(struct RECLAIM_TICKETS_Iterator *iter)
Stop a running ticket iteration.
struct RECLAIM_TICKETS_Iterator * iter
The ticket iterator.
struct TicketRevocationOperation * revoke_op_tail
Tail of DLL of ticket revocation ops.
struct Iterator * attr_iter_head
Head of the DLL of Attribute iteration operations in progress initiated by this client.
An attribute iteration operation.
struct TicketIssueOperation * issue_op_head
Head of DLL of ticket issue ops.
struct AttributeStoreHandle * store_op_head
Head of DLL of attribute store ops.
struct RECLAIM_TICKETS_RevokeHandle * rh
Revocation handle.
struct TicketIteration * ticket_iter_head
Head of DLL of ticket iteration ops.
static void cleanup_as_handle(struct AttributeStoreHandle *ash)
Cleanup attribute store handle.
Handle for attribute store request.
struct AttributeStoreHandle * store_op_tail
Tail of DLL of attribute store ops.
struct Iterator * cred_iter_head
Head of the DLL of Credential iteration operations in progress initiated by this client.
void RECLAIM_TICKETS_consume_cancel(struct RECLAIM_TICKETS_ConsumeHandle *cth)
Cancel a consume operation.
struct RECLAIM_TICKETS_ConsumeHandle * ch
Ticket consume handle.
static struct GNUNET_TRANSPORT_AddressIdentifier * ai
Handle to the operation that publishes our address.
struct ConsumeTicketOperation * consume_op_tail
Tail of DLL of ticket consume ops.
struct TicketRevocationOperation * revoke_op_head
Head of DLL of ticket revocation ops.
void RECLAIM_TICKETS_revoke_cancel(struct RECLAIM_TICKETS_RevokeHandle *rh)
Cancel a revocation.
struct Iterator * cred_iter_tail
Tail of the DLL of Credential iteration operations in progress initiated by this client.
struct AttributeDeleteHandle * delete_op_head
Head of DLL of attribute delete ops.
struct TicketIssueOperation * issue_op_tail
Tail of DLL of ticket issue ops.
A ticket iteration operation.
Ticket revocation request handle.
struct AttributeDeleteHandle * delete_op_tail
Tail of DLL of attribute delete ops.
Handle for ticket consume request.
static void cleanup_adh(struct AttributeDeleteHandle *adh)
Cleanup attribute delete handle.
struct Iterator * attr_iter_tail
Tail of the DLL of Attribute iteration operations in progress initiated by this client.
#define GNUNET_free(ptr)
Wrapper around free.
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◆ cleanup()

static void cleanup ( )
static

Cleanup task.

Definition at line 603 of file gnunet-service-reclaim.c.

References cleanup_client(), GNUNET_CONTAINER_DLL_remove, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_NAMESTORE_disconnect(), GNUNET_SCHEDULER_cancel(), and RECLAIM_TICKETS_deinit().

Referenced by do_shutdown().

604 {
605  struct IdpClient *cl;
606 
607  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Cleaning up\n");
608 
609  while (NULL != (cl = client_list_head))
610  {
613  cl);
614  cleanup_client (cl);
615  }
617  if (NULL != timeout_task)
619  if (NULL != nsh)
621 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
An idp client.
static void cleanup_client(struct IdpClient *idp)
Cleanup client.
void GNUNET_NAMESTORE_disconnect(struct GNUNET_NAMESTORE_Handle *h)
Disconnect from the namestore service (and free associated resources).
static struct IdpClient * client_list_head
Client list.
void RECLAIM_TICKETS_deinit(void)
Close handles and clean up.
static struct GNUNET_SCHEDULER_Task * timeout_task
Timeout task.
#define GNUNET_log(kind,...)
static struct GNUNET_NAMESTORE_Handle * nsh
Namestore handle.
static struct IdpClient * client_list_tail
Client list.
void * GNUNET_SCHEDULER_cancel(struct GNUNET_SCHEDULER_Task *task)
Cancel the task with the specified identifier.
Definition: scheduler.c:972
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◆ do_shutdown()

static void do_shutdown ( void *  cls)
static

Shutdown task.

Parameters
clsNULL

Definition at line 630 of file gnunet-service-reclaim.c.

References cleanup(), GNUNET_ERROR_TYPE_INFO, and GNUNET_log.

Referenced by attr_store_cont(), cred_error(), cred_store_cont(), and run().

631 {
632  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down...\n");
633  cleanup ();
634 }
static void cleanup()
Cleanup task.
#define GNUNET_log(kind,...)
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◆ send_ticket_result()

static void send_ticket_result ( const struct IdpClient client,
uint32_t  r_id,
const struct GNUNET_RECLAIM_Ticket ticket,
const struct GNUNET_RECLAIM_PresentationList presentations,
uint32_t  success 
)
static

Sends a ticket result message to the client.

Parameters
clientthe client to send to
r_idthe request message ID to reply to
ticketthe ticket to include (may be NULL)
successthe success status of the request

Definition at line 646 of file gnunet-service-reclaim.c.

References env, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_MESSAGE_TYPE_RECLAIM_TICKET_RESULT, GNUNET_MQ_msg_extra, GNUNET_MQ_send(), GNUNET_RECLAIM_presentation_list_serialize(), GNUNET_RECLAIM_presentation_list_serialize_get_size(), TicketResultMessage::id, IdpClient::mq, TicketResultMessage::presentations_len, ticket, and TicketResultMessage::ticket.

Referenced by issue_ticket_result_cb().

651 {
652  struct TicketResultMessage *irm;
653  struct GNUNET_MQ_Envelope *env;
654  size_t pres_len = 0;
655 
656  if (NULL != presentations)
657  {
658  pres_len =
660  }
661  env = GNUNET_MQ_msg_extra (irm,
662  pres_len,
664  if (NULL != ticket)
665  {
666  irm->ticket = *ticket;
667  }
668  // TODO add success member
669  irm->id = htonl (r_id);
670  irm->presentations_len = htons (pres_len);
671  if (NULL != presentations)
672  {
674  (char*) &irm[1]);
675  }
676  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending TICKET_RESULT message\n");
677  GNUNET_MQ_send (client->mq, env);
678 }
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:463
Ticket result message.
Definition: reclaim.h:453
struct GNUNET_RECLAIM_Ticket ticket
The new ticket.
Definition: reclaim.h:473
uint32_t presentations_len
Length of new presentations created.
Definition: reclaim.h:468
struct GNUNET_MQ_Handle * mq
Message queue for transmission to client.
static struct GNUNET_RECLAIM_Ticket ticket
Ticket to consume.
#define GNUNET_MQ_msg_extra(mvar, esize, type)
Allocate an envelope, with extra space allocated after the space needed by the message struct...
Definition: gnunet_mq_lib.h:52
size_t GNUNET_RECLAIM_presentation_list_serialize_get_size(const struct GNUNET_RECLAIM_PresentationList *presentations)
Get required size for serialization buffer.
struct GNUNET_MQ_Envelope * env
Definition: 005.c:1
#define GNUNET_log(kind,...)
#define GNUNET_MESSAGE_TYPE_RECLAIM_TICKET_RESULT
void GNUNET_MQ_send(struct GNUNET_MQ_Handle *mq, struct GNUNET_MQ_Envelope *ev)
Send a message with the given message queue.
Definition: mq.c:355
size_t GNUNET_RECLAIM_presentation_list_serialize(const struct GNUNET_RECLAIM_PresentationList *presentations, char *result)
Serialize a presentation list.
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◆ issue_ticket_result_cb()

static void issue_ticket_result_cb ( void *  cls,
struct GNUNET_RECLAIM_Ticket ticket,
struct GNUNET_RECLAIM_PresentationList presentations,
int32_t  success,
const char *  emsg 
)
static

Issue ticket result.

Parameters
clsout ticket issue operation handle
ticketthe issued ticket
presentationsnewly created credential presentations (NULL on error)
successissue success status (GNUNET_OK if successful)
emsgerror message (NULL of success is GNUNET_OK)

Definition at line 691 of file gnunet-service-reclaim.c.

References TicketIssueOperation::client, GNUNET_CONTAINER_DLL_remove, GNUNET_ERROR_TYPE_ERROR, GNUNET_free, GNUNET_log, GNUNET_OK, GNUNET_SYSERR, IdpClient::issue_op_head, IdpClient::issue_op_tail, TicketIssueOperation::r_id, send_ticket_result(), and tio.

Referenced by handle_issue_ticket_message().

696 {
697  struct TicketIssueOperation *tio = cls;
698 
699  if (GNUNET_OK != success)
700  {
701  send_ticket_result (tio->client, tio->r_id, NULL, NULL, GNUNET_SYSERR);
703  tio->client->issue_op_tail,
704  tio);
705  GNUNET_free (tio);
706  GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Error issuing ticket: %s\n", emsg);
707  return;
708  }
709  send_ticket_result (tio->client, tio->r_id,
710  ticket, presentations, GNUNET_SYSERR);
712  tio->client->issue_op_tail,
713  tio);
714  GNUNET_free (tio);
715 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
static void send_ticket_result(const struct IdpClient *client, uint32_t r_id, const struct GNUNET_RECLAIM_Ticket *ticket, const struct GNUNET_RECLAIM_PresentationList *presentations, uint32_t success)
Sends a ticket result message to the client.
static struct GNUNET_CADET_ListTunnels * tio
Active tunnel listing operation.
Definition: gnunet-cadet.c:112
struct IdpClient * client
Client connection.
Ticket issue operation handle.
struct TicketIssueOperation * issue_op_head
Head of DLL of ticket issue ops.
uint32_t r_id
request id
struct TicketIssueOperation * issue_op_tail
Tail of DLL of ticket issue ops.
#define GNUNET_log(kind,...)
#define GNUNET_free(ptr)
Wrapper around free.
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◆ check_issue_ticket_message()

static int check_issue_ticket_message ( void *  cls,
const struct IssueTicketMessage im 
)
static

Check issue ticket message.

unused message to check

Returns
GNUNET_OK if message is ok

Definition at line 726 of file gnunet-service-reclaim.c.

References GNUNET_break, GNUNET_OK, GNUNET_SYSERR, IssueTicketMessage::header, size, and GNUNET_MessageHeader::size.

727 {
728  uint16_t size;
729 
730  size = ntohs (im->header.size);
731  if (size <= sizeof(struct IssueTicketMessage))
732  {
733  GNUNET_break (0);
734  return GNUNET_SYSERR;
735  }
736  return GNUNET_OK;
737 }
uint16_t size
The length of the struct (in bytes, including the length field itself), in big-endian format...
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur...
struct GNUNET_MessageHeader header
Type will be GNUNET_MESSAGE_TYPE_RECLAIM_ISSUE_TICKET.
Definition: reclaim.h:372
Ticket issue message.
Definition: reclaim.h:367
static unsigned int size
Size of the "table".
Definition: peer.c:67

◆ handle_issue_ticket_message()

static void handle_issue_ticket_message ( void *  cls,
const struct IssueTicketMessage im 
)
static

Handle ticket issue message.

Parameters
clsour client
imthe message

Definition at line 747 of file gnunet-service-reclaim.c.

References IssueTicketMessage::attr_len, GNUNET_RECLAIM_AttributeListEntry::attribute, IdpClient::client, TicketIssueOperation::client, GNUNET_CONTAINER_DLL_insert, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_new, GNUNET_RECLAIM_attribute_list_deserialize(), GNUNET_RECLAIM_attribute_list_destroy(), GNUNET_SERVICE_client_continue(), idp, IdpClient::issue_op_head, IdpClient::issue_op_tail, issue_ticket_result_cb(), GNUNET_RECLAIM_AttributeList::list_head, GNUNET_RECLAIM_Attribute::name, GNUNET_RECLAIM_AttributeListEntry::next, TicketIssueOperation::r_id, RECLAIM_TICKETS_issue(), and tio.

748 {
749  struct TicketIssueOperation *tio;
750  struct IdpClient *idp = cls;
751  struct GNUNET_RECLAIM_AttributeList *attrs;
753  size_t attrs_len;
754 
755  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received ISSUE_TICKET message\n");
756  tio = GNUNET_new (struct TicketIssueOperation);
757  attrs_len = ntohs (im->attr_len);
758  attrs = GNUNET_RECLAIM_attribute_list_deserialize ((char *) &im[1],
759  attrs_len);
760  for (le = attrs->list_head; NULL != le; le = le->next)
762  "List entry: %s\n", le->attribute->name);
763 
764  tio->r_id = ntohl (im->id);
765  tio->client = idp;
768  attrs,
769  &im->rp,
771  tio);
774 }
struct GNUNET_CRYPTO_EcdsaPublicKey rp
Requesting party.
Definition: reclaim.h:387
static struct GNUNET_CADET_ListTunnels * tio
Active tunnel listing operation.
Definition: gnunet-cadet.c:112
void RECLAIM_TICKETS_issue(const struct GNUNET_CRYPTO_EcdsaPrivateKey *identity, const struct GNUNET_RECLAIM_AttributeList *attrs, const struct GNUNET_CRYPTO_EcdsaPublicKey *audience, RECLAIM_TICKETS_TicketResult cb, void *cb_cls)
Issue a new reclaim ticket, thereby authorizing the audience to access the set of provided attributes...
struct IdpClient * client
Client connection.
#define GNUNET_CONTAINER_DLL_insert(head, tail, element)
Insert an element at the head of a DLL.
void GNUNET_RECLAIM_attribute_list_destroy(struct GNUNET_RECLAIM_AttributeList *attrs)
Destroy claim list.
An idp client.
Ticket issue operation handle.
const char * name
The name of the attribute.
struct GNUNET_RECLAIM_AttributeList * GNUNET_RECLAIM_attribute_list_deserialize(const char *data, size_t data_size)
Deserialize an attribute list.
A list of GNUNET_RECLAIM_Attribute structures.
#define GNUNET_new(type)
Allocate a struct or union of the given type.
struct TicketIssueOperation * issue_op_head
Head of DLL of ticket issue ops.
uint32_t r_id
request id
static void issue_ticket_result_cb(void *cls, struct GNUNET_RECLAIM_Ticket *ticket, struct GNUNET_RECLAIM_PresentationList *presentations, int32_t success, const char *emsg)
Issue ticket result.
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
Definition: reclaim.h:382
struct GNUNET_RECLAIM_Attribute * attribute
The attribute claim.
struct GNUNET_SERVICE_Client * client
The client.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:377
uint32_t attr_len
length of serialized attribute list
Definition: reclaim.h:392
static struct GNUNET_RECLAIM_Handle * idp
Identity Provider.
struct GNUNET_RECLAIM_AttributeListEntry * next
DLL.
struct TicketIssueOperation * issue_op_tail
Tail of DLL of ticket issue ops.
#define GNUNET_log(kind,...)
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2242
struct GNUNET_RECLAIM_AttributeListEntry * list_head
List head.
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◆ revoke_result_cb()

static void revoke_result_cb ( void *  cls,
int32_t  success 
)
static

Handles revocation result.

Parameters
clsour revocation operation handle
successrevocation result (GNUNET_OK if successful)

Definition at line 788 of file gnunet-service-reclaim.c.

References TicketRevocationOperation::client, env, GNUNET_CONTAINER_DLL_remove, GNUNET_ERROR_TYPE_DEBUG, GNUNET_free, GNUNET_log, GNUNET_MESSAGE_TYPE_RECLAIM_REVOKE_TICKET_RESULT, GNUNET_MQ_msg, GNUNET_MQ_send(), RevokeTicketResultMessage::id, IdpClient::mq, TicketRevocationOperation::r_id, IdpClient::revoke_op_head, IdpClient::revoke_op_tail, TicketRevocationOperation::rh, and RevokeTicketResultMessage::success.

Referenced by handle_revoke_ticket_message().

789 {
790  struct TicketRevocationOperation *rop = cls;
791  struct GNUNET_MQ_Envelope *env;
792  struct RevokeTicketResultMessage *trm;
793 
795  "Sending REVOKE_TICKET_RESULT message\n");
796  rop->rh = NULL;
798  trm->id = htonl (rop->r_id);
799  trm->success = htonl (success);
800  GNUNET_MQ_send (rop->client->mq, env);
802  rop->client->revoke_op_tail,
803  rop);
804  GNUNET_free (rop);
805 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
struct TicketRevocationOperation * revoke_op_tail
Tail of DLL of ticket revocation ops.
#define GNUNET_MESSAGE_TYPE_RECLAIM_REVOKE_TICKET_RESULT
struct IdpClient * client
Client connection.
#define GNUNET_MQ_msg(mvar, type)
Allocate a GNUNET_MQ_Envelope.
Definition: gnunet_mq_lib.h:67
struct RECLAIM_TICKETS_RevokeHandle * rh
Revocation handle.
struct GNUNET_MQ_Handle * mq
Message queue for transmission to client.
struct GNUNET_MQ_Envelope * env
Definition: 005.c:1
struct TicketRevocationOperation * revoke_op_head
Head of DLL of ticket revocation ops.
Ticket revocation request handle.
Ticket revoke message.
Definition: reclaim.h:431
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:441
#define GNUNET_log(kind,...)
void GNUNET_MQ_send(struct GNUNET_MQ_Handle *mq, struct GNUNET_MQ_Envelope *ev)
Send a message with the given message queue.
Definition: mq.c:355
uint32_t success
Revocation result.
Definition: reclaim.h:446
#define GNUNET_free(ptr)
Wrapper around free.
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◆ check_revoke_ticket_message()

static int check_revoke_ticket_message ( void *  cls,
const struct RevokeTicketMessage im 
)
static

Check revocation message format.

Parameters
clsunused
imthe message to check
Returns
GNUNET_OK if message is ok

Definition at line 816 of file gnunet-service-reclaim.c.

References GNUNET_break, GNUNET_OK, GNUNET_SYSERR, RevokeTicketMessage::header, size, and GNUNET_MessageHeader::size.

817 {
818  uint16_t size;
819 
820  size = ntohs (im->header.size);
821  if (size != sizeof(struct RevokeTicketMessage))
822  {
823  GNUNET_break (0);
824  return GNUNET_SYSERR;
825  }
826  return GNUNET_OK;
827 }
struct GNUNET_MessageHeader header
Type will be GNUNET_MESSAGE_TYPE_RECLAIM_REVOKE_TICKET.
Definition: reclaim.h:405
uint16_t size
The length of the struct (in bytes, including the length field itself), in big-endian format...
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur...
static unsigned int size
Size of the "table".
Definition: peer.c:67
Ticket revoke message.
Definition: reclaim.h:400

◆ handle_revoke_ticket_message()

static void handle_revoke_ticket_message ( void *  cls,
const struct RevokeTicketMessage rm 
)
static

Handle a revocation message to a ticket.

Parameters
clsour client
rmthe message to handle

Definition at line 837 of file gnunet-service-reclaim.c.

References IdpClient::client, TicketRevocationOperation::client, GNUNET_CONTAINER_DLL_insert, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_new, GNUNET_SERVICE_client_continue(), RevokeTicketMessage::id, RevokeTicketMessage::identity, idp, TicketRevocationOperation::r_id, RECLAIM_TICKETS_revoke(), IdpClient::revoke_op_head, IdpClient::revoke_op_tail, revoke_result_cb(), TicketRevocationOperation::rh, and RevokeTicketMessage::ticket.

838 {
839  struct TicketRevocationOperation *rop;
840  struct IdpClient *idp = cls;
841 
842  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received REVOKE_TICKET message\n");
843  rop = GNUNET_new (struct TicketRevocationOperation);
844  rop->r_id = ntohl (rm->id);
845  rop->client = idp;
847  rop->rh
849  rop);
851 }
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
Definition: reclaim.h:415
static void revoke_result_cb(void *cls, int32_t success)
Handles revocation result.
#define GNUNET_CONTAINER_DLL_insert(head, tail, element)
Insert an element at the head of a DLL.
An idp client.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:410
struct TicketRevocationOperation * revoke_op_tail
Tail of DLL of ticket revocation ops.
struct IdpClient * client
Client connection.
#define GNUNET_new(type)
Allocate a struct or union of the given type.
struct RECLAIM_TICKETS_RevokeHandle * rh
Revocation handle.
struct GNUNET_SERVICE_Client * client
The client.
struct GNUNET_RECLAIM_Ticket ticket
The ticket to revoke.
Definition: reclaim.h:425
static struct GNUNET_RECLAIM_Handle * idp
Identity Provider.
struct TicketRevocationOperation * revoke_op_head
Head of DLL of ticket revocation ops.
Ticket revocation request handle.
struct RECLAIM_TICKETS_RevokeHandle * RECLAIM_TICKETS_revoke(const struct GNUNET_RECLAIM_Ticket *ticket, const struct GNUNET_CRYPTO_EcdsaPrivateKey *identity, RECLAIM_TICKETS_RevokeCallback cb, void *cb_cls)
Revoke a ticket.
#define GNUNET_log(kind,...)
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2242
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◆ consume_result_cb()

static void consume_result_cb ( void *  cls,
const struct GNUNET_CRYPTO_EcdsaPublicKey identity,
const struct GNUNET_RECLAIM_AttributeList attrs,
const struct GNUNET_RECLAIM_PresentationList presentations,
int32_t  success,
const char *  emsg 
)
static

Handle a ticket consume result.

Parameters
clsour consume ticket operation handle
identitythe attribute authority
attrsthe attribute/claim list
successGNUNET_OK if successful
emsgerror message (NULL if success=GNUNET_OK)

Definition at line 864 of file gnunet-service-reclaim.c.

References ConsumeTicketResultMessage::attrs_len, ConsumeTicketOperation::client, IdpClient::consume_op_head, IdpClient::consume_op_tail, env, GNUNET_CONTAINER_DLL_remove, GNUNET_ERROR_TYPE_DEBUG, GNUNET_ERROR_TYPE_ERROR, GNUNET_free, GNUNET_log, GNUNET_MESSAGE_TYPE_RECLAIM_CONSUME_TICKET_RESULT, GNUNET_MQ_msg_extra, GNUNET_MQ_send(), GNUNET_OK, GNUNET_RECLAIM_attribute_list_serialize(), GNUNET_RECLAIM_attribute_list_serialize_get_size(), GNUNET_RECLAIM_presentation_list_serialize(), GNUNET_RECLAIM_presentation_list_serialize_get_size(), ConsumeTicketResultMessage::id, identity, ConsumeTicketResultMessage::identity, IdpClient::mq, ConsumeTicketResultMessage::presentations_len, ConsumeTicketOperation::r_id, and ConsumeTicketResultMessage::result.

Referenced by handle_consume_ticket_message().

870 {
871  struct ConsumeTicketOperation *cop = cls;
872  struct ConsumeTicketResultMessage *crm;
873  struct GNUNET_MQ_Envelope *env;
874  char *data_tmp;
875  size_t attrs_len = 0;
876  size_t pres_len = 0;
877 
878  if (GNUNET_OK != success)
879  {
880  GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Error consuming ticket: %s\n", emsg);
881  }
883  pres_len = GNUNET_RECLAIM_presentation_list_serialize_get_size (presentations);
885  "Sending CONSUME_TICKET_RESULT message\n");
886  env = GNUNET_MQ_msg_extra (crm,
887  attrs_len + pres_len,
889  crm->id = htonl (cop->r_id);
890  crm->attrs_len = htons (attrs_len);
891  crm->presentations_len = htons (pres_len);
892  crm->identity = *identity;
893  crm->result = htonl (success);
894  data_tmp = (char *) &crm[1];
895  GNUNET_RECLAIM_attribute_list_serialize (attrs, data_tmp);
896  data_tmp += attrs_len;
897  GNUNET_RECLAIM_presentation_list_serialize (presentations, data_tmp);
898  GNUNET_MQ_send (cop->client->mq, env);
900  cop->client->consume_op_tail,
901  cop);
902  GNUNET_free (cop);
903 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
Attribute list is returned from the idp.
Definition: reclaim.h:507
#define GNUNET_MESSAGE_TYPE_RECLAIM_CONSUME_TICKET_RESULT
struct ConsumeTicketOperation * consume_op_head
Head of DLL of ticket consume ops.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:517
uint32_t result
Result.
Definition: reclaim.h:522
struct GNUNET_MQ_Handle * mq
Message queue for transmission to client.
#define GNUNET_MQ_msg_extra(mvar, esize, type)
Allocate an envelope, with extra space allocated after the space needed by the message struct...
Definition: gnunet_mq_lib.h:52
size_t GNUNET_RECLAIM_presentation_list_serialize_get_size(const struct GNUNET_RECLAIM_PresentationList *presentations)
Get required size for serialization buffer.
struct IdpClient * client
Client connection.
static struct GNUNET_IDENTITY_Handle * identity
Which namespace do we publish to? NULL if we do not publish to a namespace.
size_t GNUNET_RECLAIM_attribute_list_serialize(const struct GNUNET_RECLAIM_AttributeList *attrs, char *result)
Serialize an attribute list.
struct GNUNET_MQ_Envelope * env
Definition: 005.c:1
struct ConsumeTicketOperation * consume_op_tail
Tail of DLL of ticket consume ops.
uint16_t presentations_len
Length of presentation data.
Definition: reclaim.h:532
struct GNUNET_CRYPTO_EcdsaPublicKey identity
The public key of the identity.
Definition: reclaim.h:542
uint16_t attrs_len
Length of serialized attribute data.
Definition: reclaim.h:527
#define GNUNET_log(kind,...)
Handle for ticket consume request.
size_t GNUNET_RECLAIM_attribute_list_serialize_get_size(const struct GNUNET_RECLAIM_AttributeList *attrs)
Get required size for serialization buffer.
void GNUNET_MQ_send(struct GNUNET_MQ_Handle *mq, struct GNUNET_MQ_Envelope *ev)
Send a message with the given message queue.
Definition: mq.c:355
size_t GNUNET_RECLAIM_presentation_list_serialize(const struct GNUNET_RECLAIM_PresentationList *presentations, char *result)
Serialize a presentation list.
#define GNUNET_free(ptr)
Wrapper around free.
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◆ check_consume_ticket_message()

static int check_consume_ticket_message ( void *  cls,
const struct ConsumeTicketMessage cm 
)
static

Check a consume ticket message.

Parameters
clsunused
cmthe message to handle

Definition at line 913 of file gnunet-service-reclaim.c.

References GNUNET_break, GNUNET_OK, GNUNET_SYSERR, ConsumeTicketMessage::header, size, and GNUNET_MessageHeader::size.

914 {
915  uint16_t size;
916 
917  size = ntohs (cm->header.size);
918  if (size != sizeof(struct ConsumeTicketMessage))
919  {
920  GNUNET_break (0);
921  return GNUNET_SYSERR;
922  }
923  return GNUNET_OK;
924 }
Ticket consume message.
Definition: reclaim.h:481
uint16_t size
The length of the struct (in bytes, including the length field itself), in big-endian format...
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur...
static unsigned int size
Size of the "table".
Definition: peer.c:67
struct GNUNET_MessageHeader header
Type will be GNUNET_MESSAGE_TYPE_RECLAIM_CONSUME_TICKET.
Definition: reclaim.h:486

◆ handle_consume_ticket_message()

static void handle_consume_ticket_message ( void *  cls,
const struct ConsumeTicketMessage cm 
)
static

Handle a consume ticket message.

Parameters
clsour client handle the message to handle

Definition at line 934 of file gnunet-service-reclaim.c.

References ConsumeTicketOperation::ch, IdpClient::client, ConsumeTicketOperation::client, IdpClient::consume_op_head, IdpClient::consume_op_tail, consume_result_cb(), GNUNET_CONTAINER_DLL_insert, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_new, GNUNET_SERVICE_client_continue(), ConsumeTicketMessage::id, ConsumeTicketMessage::identity, idp, ConsumeTicketOperation::r_id, RECLAIM_TICKETS_consume(), and ConsumeTicketMessage::ticket.

935 {
936  struct ConsumeTicketOperation *cop;
937  struct IdpClient *idp = cls;
938 
939  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received CONSUME_TICKET message\n");
940  cop = GNUNET_new (struct ConsumeTicketOperation);
941  cop->r_id = ntohl (cm->id);
942  cop->client = idp;
943  cop->ch
945  cop);
948 }
#define GNUNET_CONTAINER_DLL_insert(head, tail, element)
Insert an element at the head of a DLL.
struct ConsumeTicketOperation * consume_op_head
Head of DLL of ticket consume ops.
An idp client.
#define GNUNET_new(type)
Allocate a struct or union of the given type.
static void consume_result_cb(void *cls, const struct GNUNET_CRYPTO_EcdsaPublicKey *identity, const struct GNUNET_RECLAIM_AttributeList *attrs, const struct GNUNET_RECLAIM_PresentationList *presentations, int32_t success, const char *emsg)
Handle a ticket consume result.
struct GNUNET_SERVICE_Client * client
The client.
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
Definition: reclaim.h:496
struct IdpClient * client
Client connection.
struct RECLAIM_TICKETS_ConsumeHandle * ch
Ticket consume handle.
struct GNUNET_RECLAIM_Ticket ticket
The ticket to consume.
Definition: reclaim.h:501
static struct GNUNET_RECLAIM_Handle * idp
Identity Provider.
struct ConsumeTicketOperation * consume_op_tail
Tail of DLL of ticket consume ops.
struct RECLAIM_TICKETS_ConsumeHandle * RECLAIM_TICKETS_consume(const struct GNUNET_CRYPTO_EcdsaPrivateKey *id, const struct GNUNET_RECLAIM_Ticket *ticket, RECLAIM_TICKETS_ConsumeCallback cb, void *cb_cls)
Consume a ticket.
#define GNUNET_log(kind,...)
Handle for ticket consume request.
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2242
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:491
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◆ attr_store_cont()

static void attr_store_cont ( void *  cls,
int32_t  success,
const char *  emsg 
)
static

Attribute store result handler.

Parameters
clsour attribute store handle
successGNUNET_OK if successful
emsgerror message (NULL if success=GNUNET_OK)

Definition at line 964 of file gnunet-service-reclaim.c.

References cleanup_as_handle(), AttributeStoreHandle::client, do_shutdown(), env, GNUNET_CONTAINER_DLL_remove, GNUNET_ERROR_TYPE_DEBUG, GNUNET_ERROR_TYPE_ERROR, GNUNET_log, GNUNET_MESSAGE_TYPE_RECLAIM_SUCCESS_RESPONSE, GNUNET_MQ_msg, GNUNET_MQ_send(), GNUNET_OK, GNUNET_SCHEDULER_add_now(), GNUNET_SYSERR, SuccessResultMessage::id, IdpClient::mq, AttributeStoreHandle::ns_qe, SuccessResultMessage::op_result, AttributeStoreHandle::r_id, IdpClient::store_op_head, and IdpClient::store_op_tail.

Referenced by attr_store_task().

965 {
966  struct AttributeStoreHandle *ash = cls;
967  struct GNUNET_MQ_Envelope *env;
968  struct SuccessResultMessage *acr_msg;
969 
970  ash->ns_qe = NULL;
972  ash->client->store_op_tail,
973  ash);
974 
975  if (GNUNET_SYSERR == success)
976  {
978  "Failed to store attribute %s\n",
979  emsg);
980  cleanup_as_handle (ash);
982  return;
983  }
984 
985  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending SUCCESS_RESPONSE message\n");
987  acr_msg->id = htonl (ash->r_id);
988  acr_msg->op_result = htonl (GNUNET_OK);
989  GNUNET_MQ_send (ash->client->mq, env);
990  cleanup_as_handle (ash);
991 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
int32_t op_result
GNUNET_SYSERR on failure, GNUNET_OK on success
Definition: reclaim.h:118
#define GNUNET_MQ_msg(mvar, type)
Allocate a GNUNET_MQ_Envelope.
Definition: gnunet_mq_lib.h:67
struct AttributeStoreHandle * store_op_head
Head of DLL of attribute store ops.
static void cleanup_as_handle(struct AttributeStoreHandle *ash)
Cleanup attribute store handle.
struct GNUNET_MQ_Handle * mq
Message queue for transmission to client.
uint32_t r_id
request id
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:1296
Handle for attribute store request.
struct AttributeStoreHandle * store_op_tail
Tail of DLL of attribute store ops.
struct IdpClient * client
Client connection.
Attribute store/delete response message.
Definition: reclaim.h:103
struct GNUNET_MQ_Envelope * env
Definition: 005.c:1
#define GNUNET_MESSAGE_TYPE_RECLAIM_SUCCESS_RESPONSE
#define GNUNET_log(kind,...)
struct GNUNET_NAMESTORE_QueueEntry * ns_qe
QueueEntry.
void GNUNET_MQ_send(struct GNUNET_MQ_Handle *mq, struct GNUNET_MQ_Envelope *ev)
Send a message with the given message queue.
Definition: mq.c:355
static void do_shutdown(void *cls)
Shutdown task.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:113
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◆ attr_store_task()

static void attr_store_task ( void *  cls)
static

Add a new attribute.

Parameters
clsthe AttributeStoreHandle

Definition at line 1000 of file gnunet-service-reclaim.c.

References attr_store_cont(), buf, AttributeStoreHandle::claim, GNUNET_GNSRECORD_Data::data, GNUNET_GNSRECORD_Data::data_size, AttributeStoreHandle::exp, GNUNET_GNSRECORD_Data::expiration_time, GNUNET_GNSRECORD_Data::flags, GNUNET_ERROR_TYPE_DEBUG, GNUNET_free, GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION, GNUNET_GNSRECORD_TYPE_RECLAIM_ATTRIBUTE, GNUNET_log, GNUNET_malloc, GNUNET_NAMESTORE_records_store(), GNUNET_RECLAIM_attribute_serialize(), GNUNET_RECLAIM_attribute_serialize_get_size(), GNUNET_RECLAIM_id_generate, GNUNET_RECLAIM_id_is_zero, GNUNET_STRINGS_data_to_string_alloc(), GNUNET_YES, GNUNET_RECLAIM_Attribute::id, AttributeStoreHandle::identity, AttributeStoreHandle::ns_qe, GNUNET_GNSRECORD_Data::record_type, and GNUNET_TIME_Relative::rel_value_us.

Referenced by handle_attribute_store_message().

1001 {
1002  struct AttributeStoreHandle *ash = cls;
1003  struct GNUNET_GNSRECORD_Data rd[1];
1004  char *buf;
1005  char *label;
1006  size_t buf_size;
1007 
1008  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Storing attribute\n");
1010  buf = GNUNET_malloc (buf_size);
1011  // Give the ash a new id if unset
1012  if (GNUNET_YES == GNUNET_RECLAIM_id_is_zero (&ash->claim->id))
1015  label
1017  sizeof (ash->claim->id));
1018  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Encrypting with label %s\n", label);
1019 
1020  rd[0].data_size = buf_size;
1021  rd[0].data = buf;
1022  rd[0].record_type = GNUNET_GNSRECORD_TYPE_RECLAIM_ATTRIBUTE;
1024  rd[0].expiration_time = ash->exp.rel_value_us;
1026  &ash->identity,
1027  label,
1028  1,
1029  rd,
1030  &attr_store_cont,
1031  ash);
1032  GNUNET_free (buf);
1033  GNUNET_free (label);
1034 }
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
uint64_t rel_value_us
The actual value.
static void attr_store_cont(void *cls, int32_t success, const char *emsg)
Attribute store result handler.
size_t GNUNET_RECLAIM_attribute_serialize(const struct GNUNET_RECLAIM_Attribute *attr, char *result)
Serialize an attribute.
size_t GNUNET_RECLAIM_attribute_serialize_get_size(const struct GNUNET_RECLAIM_Attribute *attr)
Get required size for serialization buffer.
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.
struct GNUNET_TIME_Relative exp
The attribute expiration interval.
Handle for attribute store request.
static char buf[2048]
struct GNUNET_RECLAIM_Identifier id
ID.
#define GNUNET_GNSRECORD_TYPE_RECLAIM_ATTRIBUTE
Record type for identity attributes (of RECLAIM).
#define GNUNET_log(kind,...)
static struct GNUNET_NAMESTORE_Handle * nsh
Namestore handle.
struct GNUNET_NAMESTORE_QueueEntry * ns_qe
QueueEntry.
char * GNUNET_STRINGS_data_to_string_alloc(const void *buf, size_t size)
Return the base32crockford encoding of the given buffer.
Definition: strings.c:936
This expiration time of the record is a relative time (not an absolute time).
#define GNUNET_RECLAIM_id_generate(id)
struct GNUNET_RECLAIM_Attribute * claim
The attribute to store.
#define GNUNET_malloc(size)
Wrapper around malloc.
#define GNUNET_free(ptr)
Wrapper around free.
#define GNUNET_RECLAIM_id_is_zero(a)
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◆ check_attribute_store_message()

static int check_attribute_store_message ( void *  cls,
const struct AttributeStoreMessage sam 
)
static

Check an attribute store message.

Parameters
clsunused
samthe message to check

Definition at line 1044 of file gnunet-service-reclaim.c.

References GNUNET_break, GNUNET_OK, GNUNET_SYSERR, AttributeStoreMessage::header, size, and GNUNET_MessageHeader::size.

1046 {
1047  uint16_t size;
1048 
1049  size = ntohs (sam->header.size);
1050  if (size <= sizeof(struct AttributeStoreMessage))
1051  {
1052  GNUNET_break (0);
1053  return GNUNET_SYSERR;
1054  }
1055  return GNUNET_OK;
1056 }
uint16_t size
The length of the struct (in bytes, including the length field itself), in big-endian format...
Use to store an identity attribute.
Definition: reclaim.h:40
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur...
struct GNUNET_MessageHeader header
Type: GNUNET_MESSAGE_TYPE_IDENTITY_SET_DEFAULT.
Definition: reclaim.h:45
static unsigned int size
Size of the "table".
Definition: peer.c:67

◆ handle_attribute_store_message()

static void handle_attribute_store_message ( void *  cls,
const struct AttributeStoreMessage sam 
)
static

Handle an attribute store message.

Parameters
clsour client
samthe message to handle

Definition at line 1066 of file gnunet-service-reclaim.c.

References AttributeStoreMessage::attr_len, attr_store_task(), AttributeStoreHandle::claim, IdpClient::client, AttributeStoreHandle::client, AttributeStoreHandle::exp, GNUNET_CONTAINER_DLL_insert, GNUNET_CRYPTO_ecdsa_key_get_public(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_new, GNUNET_ntohll(), GNUNET_RECLAIM_attribute_deserialize(), GNUNET_SCHEDULER_add_now(), GNUNET_SERVICE_client_continue(), AttributeStoreHandle::identity, AttributeStoreHandle::identity_pkey, idp, AttributeStoreHandle::r_id, GNUNET_TIME_Relative::rel_value_us, IdpClient::store_op_head, and IdpClient::store_op_tail.

1068 {
1069  struct AttributeStoreHandle *ash;
1070  struct IdpClient *idp = cls;
1071  size_t data_len;
1072 
1073  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received ATTRIBUTE_STORE message\n");
1074 
1075  data_len = ntohs (sam->attr_len);
1076 
1077  ash = GNUNET_new (struct AttributeStoreHandle);
1078  GNUNET_RECLAIM_attribute_deserialize ((char *) &sam[1],
1079  data_len,
1080  &ash->claim);
1081 
1082  ash->r_id = ntohl (sam->id);
1083  ash->identity = sam->identity;
1084  ash->exp.rel_value_us = GNUNET_ntohll (sam->exp);
1086 
1088  ash->client = idp;
1091 }
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
ssize_t GNUNET_RECLAIM_attribute_deserialize(const char *data, size_t data_size, struct GNUNET_RECLAIM_Attribute **attr)
Deserialize an attribute.
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
Definition: reclaim.h:65
uint64_t rel_value_us
The actual value.
#define GNUNET_CONTAINER_DLL_insert(head, tail, element)
Insert an element at the head of a DLL.
An idp client.
#define GNUNET_new(type)
Allocate a struct or union of the given type.
struct AttributeStoreHandle * store_op_head
Head of DLL of attribute store ops.
struct GNUNET_SERVICE_Client * client
The client.
uint32_t r_id
request id
static void attr_store_task(void *cls)
Add a new attribute.
struct GNUNET_TIME_Relative exp
The attribute expiration interval.
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:1296
Handle for attribute store request.
struct AttributeStoreHandle * store_op_tail
Tail of DLL of attribute store ops.
struct IdpClient * client
Client connection.
uint32_t attr_len
The length of the attribute.
Definition: reclaim.h:55
struct GNUNET_CRYPTO_EcdsaPublicKey identity_pkey
Identity pubkey.
uint64_t exp
The expiration interval of the attribute.
Definition: reclaim.h:60
void GNUNET_CRYPTO_ecdsa_key_get_public(const struct GNUNET_CRYPTO_EcdsaPrivateKey *priv, struct GNUNET_CRYPTO_EcdsaPublicKey *pub)
Extract the public key for the given private key.
Definition: crypto_ecc.c:176
static struct GNUNET_RECLAIM_Handle * idp
Identity Provider.
#define GNUNET_log(kind,...)
struct GNUNET_RECLAIM_Attribute * claim
The attribute to store.
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2242
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:50
uint64_t GNUNET_ntohll(uint64_t n)
Convert unsigned 64-bit integer to host byte order.
Definition: common_endian.c:53
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◆ cred_store_cont()

static void cred_store_cont ( void *  cls,
int32_t  success,
const char *  emsg 
)
static

Credential store result handler.

Parameters
clsour attribute store handle
successGNUNET_OK if successful
emsgerror message (NULL if success=GNUNET_OK)

Definition at line 1102 of file gnunet-service-reclaim.c.

References cleanup_as_handle(), AttributeStoreHandle::client, do_shutdown(), env, GNUNET_CONTAINER_DLL_remove, GNUNET_ERROR_TYPE_DEBUG, GNUNET_ERROR_TYPE_ERROR, GNUNET_log, GNUNET_MESSAGE_TYPE_RECLAIM_SUCCESS_RESPONSE, GNUNET_MQ_msg, GNUNET_MQ_send(), GNUNET_OK, GNUNET_SCHEDULER_add_now(), GNUNET_SYSERR, SuccessResultMessage::id, IdpClient::mq, AttributeStoreHandle::ns_qe, SuccessResultMessage::op_result, AttributeStoreHandle::r_id, IdpClient::store_op_head, and IdpClient::store_op_tail.

Referenced by cred_add_cb().

1103 {
1104  struct AttributeStoreHandle *ash = cls;
1105  struct GNUNET_MQ_Envelope *env;
1106  struct SuccessResultMessage *acr_msg;
1107 
1108  ash->ns_qe = NULL;
1110  ash->client->store_op_tail,
1111  ash);
1112 
1113  if (GNUNET_SYSERR == success)
1114  {
1116  "Failed to store credential: %s\n",
1117  emsg);
1118  cleanup_as_handle (ash);
1120  return;
1121  }
1122 
1123  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending SUCCESS_RESPONSE message\n");
1125  acr_msg->id = htonl (ash->r_id);
1126  acr_msg->op_result = htonl (GNUNET_OK);
1127  GNUNET_MQ_send (ash->client->mq, env);
1128  cleanup_as_handle (ash);
1129 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
int32_t op_result
GNUNET_SYSERR on failure, GNUNET_OK on success
Definition: reclaim.h:118
#define GNUNET_MQ_msg(mvar, type)
Allocate a GNUNET_MQ_Envelope.
Definition: gnunet_mq_lib.h:67
struct AttributeStoreHandle * store_op_head
Head of DLL of attribute store ops.
static void cleanup_as_handle(struct AttributeStoreHandle *ash)
Cleanup attribute store handle.
struct GNUNET_MQ_Handle * mq
Message queue for transmission to client.
uint32_t r_id
request id
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:1296
Handle for attribute store request.
struct AttributeStoreHandle * store_op_tail
Tail of DLL of attribute store ops.
struct IdpClient * client
Client connection.
Attribute store/delete response message.
Definition: reclaim.h:103
struct GNUNET_MQ_Envelope * env
Definition: 005.c:1
#define GNUNET_MESSAGE_TYPE_RECLAIM_SUCCESS_RESPONSE
#define GNUNET_log(kind,...)
struct GNUNET_NAMESTORE_QueueEntry * ns_qe
QueueEntry.
void GNUNET_MQ_send(struct GNUNET_MQ_Handle *mq, struct GNUNET_MQ_Envelope *ev)
Send a message with the given message queue.
Definition: mq.c:355
static void do_shutdown(void *cls)
Shutdown task.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:113
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◆ cred_error()

static void cred_error ( void *  cls)
static

Error looking up potential credential.

Abort.

Parameters
clsour attribute store handle

Definition at line 1138 of file gnunet-service-reclaim.c.

References cleanup_as_handle(), do_shutdown(), GNUNET_ERROR_TYPE_ERROR, GNUNET_log, and GNUNET_SCHEDULER_add_now().

Referenced by cred_store_task().

1139 {
1140  struct AttributeStoreHandle *ash = cls;
1142  "Failed to check for existing credential.\n");
1143  cleanup_as_handle (ash);
1145  return;
1146 }
static void cleanup_as_handle(struct AttributeStoreHandle *ash)
Cleanup attribute store handle.
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:1296
Handle for attribute store request.
#define GNUNET_log(kind,...)
static void do_shutdown(void *cls)
Shutdown task.
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◆ cred_add_cb()

static void cred_add_cb ( void *  cls,
const struct GNUNET_CRYPTO_EcdsaPrivateKey zone,
const char *  label,
unsigned int  rd_count,
const struct GNUNET_GNSRECORD_Data rd 
)
static

Check for existing record before storing credential.

Parameters
clsour attribute store handle
zonezone we are iterating
labellabel of the records
rd_countrecord count
rdrecords

Definition at line 1159 of file gnunet-service-reclaim.c.

References buf, cred_store_cont(), AttributeStoreHandle::credential, GNUNET_GNSRECORD_Data::data, GNUNET_GNSRECORD_Data::data_size, AttributeStoreHandle::exp, GNUNET_GNSRECORD_Data::expiration_time, GNUNET_GNSRECORD_Data::flags, GNUNET_ERROR_TYPE_DEBUG, GNUNET_free, GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION, GNUNET_GNSRECORD_TYPE_RECLAIM_CREDENTIAL, GNUNET_log, GNUNET_malloc, GNUNET_NAMESTORE_records_store(), GNUNET_RECLAIM_credential_serialize(), GNUNET_RECLAIM_credential_serialize_get_size(), AttributeStoreHandle::identity, AttributeStoreHandle::ns_qe, GNUNET_GNSRECORD_Data::record_type, and GNUNET_TIME_Relative::rel_value_us.

Referenced by cred_store_task().

1164 {
1165  struct AttributeStoreHandle *ash = cls;
1166  struct GNUNET_GNSRECORD_Data rd_new[1];
1167  char *buf;
1168  size_t buf_size;
1169 
1171  buf = GNUNET_malloc (buf_size);
1174  "Storing new credential under `%s'.\n",
1175  label);
1176  rd_new[0].data_size = buf_size;
1177  rd_new[0].data = buf;
1178  rd_new[0].record_type = GNUNET_GNSRECORD_TYPE_RECLAIM_CREDENTIAL;
1179  rd_new[0].flags = GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION;
1180  rd_new[0].expiration_time = ash->exp.rel_value_us;
1182  &ash->identity,
1183  label,
1184  1,
1185  rd_new,
1186  &cred_store_cont,
1187  ash);
1188  GNUNET_free (buf);
1189  return;
1190 }
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
static void cred_store_cont(void *cls, int32_t success, const char *emsg)
Credential store result handler.
uint64_t rel_value_us
The actual value.
size_t GNUNET_RECLAIM_credential_serialize_get_size(const struct GNUNET_RECLAIM_Credential *credential)
Get required size for serialization buffer.
#define GNUNET_GNSRECORD_TYPE_RECLAIM_CREDENTIAL
Record type for an attribute attestation.
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.
struct GNUNET_RECLAIM_Credential * credential
The credential to store.
struct GNUNET_TIME_Relative exp
The attribute expiration interval.
Handle for attribute store request.
static char buf[2048]
size_t GNUNET_RECLAIM_credential_serialize(const struct GNUNET_RECLAIM_Credential *credential, char *result)
Serialize an credential.
#define GNUNET_log(kind,...)
static struct GNUNET_NAMESTORE_Handle * nsh
Namestore handle.
struct GNUNET_NAMESTORE_QueueEntry * ns_qe
QueueEntry.
This expiration time of the record is a relative time (not an absolute time).
#define GNUNET_malloc(size)
Wrapper around malloc.
#define GNUNET_free(ptr)
Wrapper around free.
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◆ cred_store_task()

static void cred_store_task ( void *  cls)
static

Add a new credential.

Parameters
clsthe AttributeStoreHandle

Definition at line 1199 of file gnunet-service-reclaim.c.

References cred_add_cb(), cred_error(), AttributeStoreHandle::credential, GNUNET_ERROR_TYPE_DEBUG, GNUNET_free, GNUNET_log, GNUNET_NAMESTORE_records_lookup(), GNUNET_RECLAIM_id_generate, GNUNET_RECLAIM_id_is_zero, GNUNET_STRINGS_data_to_string_alloc(), GNUNET_YES, GNUNET_RECLAIM_Credential::id, AttributeStoreHandle::identity, and AttributeStoreHandle::ns_qe.

Referenced by handle_credential_store_message().

1200 {
1201  struct AttributeStoreHandle *ash = cls;
1202  char *label;
1203 
1204  // Give the ash a new id if unset
1208  sizeof (ash->credential->id));
1210  "Looking up existing data under label `%s'\n", label);
1212  &ash->identity,
1213  label,
1214  &cred_error,
1215  ash,
1216  &cred_add_cb,
1217  ash);
1218  GNUNET_free (label);
1219 }
static void cred_error(void *cls)
Error looking up potential credential.
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
struct GNUNET_RECLAIM_Identifier id
ID.
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_RECLAIM_Credential * credential
The credential to store.
Handle for attribute store request.
#define GNUNET_log(kind,...)
static struct GNUNET_NAMESTORE_Handle * nsh
Namestore handle.
struct GNUNET_NAMESTORE_QueueEntry * ns_qe
QueueEntry.
char * GNUNET_STRINGS_data_to_string_alloc(const void *buf, size_t size)
Return the base32crockford encoding of the given buffer.
Definition: strings.c:936
#define GNUNET_RECLAIM_id_generate(id)
static void cred_add_cb(void *cls, const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone, const char *label, unsigned int rd_count, const struct GNUNET_GNSRECORD_Data *rd)
Check for existing record before storing credential.
#define GNUNET_free(ptr)
Wrapper around free.
#define GNUNET_RECLAIM_id_is_zero(a)
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◆ check_credential_store_message()

static int check_credential_store_message ( void *  cls,
const struct AttributeStoreMessage sam 
)
static

Check an credential store message.

Parameters
clsunused
samthe message to check

Definition at line 1229 of file gnunet-service-reclaim.c.

References GNUNET_break, GNUNET_OK, GNUNET_SYSERR, AttributeStoreMessage::header, size, and GNUNET_MessageHeader::size.

1231 {
1232  uint16_t size;
1233 
1234  size = ntohs (sam->header.size);
1235  if (size <= sizeof(struct AttributeStoreMessage))
1236  {
1237  GNUNET_break (0);
1238  return GNUNET_SYSERR;
1239  }
1240  return GNUNET_OK;
1241 }
uint16_t size
The length of the struct (in bytes, including the length field itself), in big-endian format...
Use to store an identity attribute.
Definition: reclaim.h:40
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur...
struct GNUNET_MessageHeader header
Type: GNUNET_MESSAGE_TYPE_IDENTITY_SET_DEFAULT.
Definition: reclaim.h:45
static unsigned int size
Size of the "table".
Definition: peer.c:67

◆ handle_credential_store_message()

static void handle_credential_store_message ( void *  cls,
const struct AttributeStoreMessage sam 
)
static

Handle a credential store message.

Parameters
clsour client
samthe message to handle

Definition at line 1251 of file gnunet-service-reclaim.c.

References AttributeStoreMessage::attr_len, IdpClient::client, AttributeStoreHandle::client, cred_store_task(), AttributeStoreHandle::credential, AttributeStoreHandle::exp, GNUNET_CONTAINER_DLL_insert, GNUNET_CRYPTO_ecdsa_key_get_public(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_new, GNUNET_ntohll(), GNUNET_RECLAIM_credential_deserialize(), GNUNET_SCHEDULER_add_now(), GNUNET_SERVICE_client_continue(), AttributeStoreHandle::identity, AttributeStoreHandle::identity_pkey, idp, AttributeStoreHandle::r_id, GNUNET_TIME_Relative::rel_value_us, IdpClient::store_op_head, and IdpClient::store_op_tail.

1253 {
1254  struct AttributeStoreHandle *ash;
1255  struct IdpClient *idp = cls;
1256  size_t data_len;
1257 
1258  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received CREDENTIAL_STORE message\n");
1259 
1260  data_len = ntohs (sam->attr_len);
1261 
1262  ash = GNUNET_new (struct AttributeStoreHandle);
1263  ash->credential = GNUNET_RECLAIM_credential_deserialize ((char *) &sam[1],
1264  data_len);
1265 
1266  ash->r_id = ntohl (sam->id);
1267  ash->identity = sam->identity;
1268  ash->exp.rel_value_us = GNUNET_ntohll (sam->exp);
1270 
1272  ash->client = idp;
1275 }
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
struct GNUNET_RECLAIM_Credential * GNUNET_RECLAIM_credential_deserialize(const char *data, size_t data_size)
Deserialize an credential.
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
Definition: reclaim.h:65
uint64_t rel_value_us
The actual value.
#define GNUNET_CONTAINER_DLL_insert(head, tail, element)
Insert an element at the head of a DLL.
An idp client.
static void cred_store_task(void *cls)
Add a new credential.
#define GNUNET_new(type)
Allocate a struct or union of the given type.
struct AttributeStoreHandle * store_op_head
Head of DLL of attribute store ops.
struct GNUNET_SERVICE_Client * client
The client.
struct GNUNET_RECLAIM_Credential * credential
The credential to store.
uint32_t r_id
request id
struct GNUNET_TIME_Relative exp
The attribute expiration interval.
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:1296
Handle for attribute store request.
struct AttributeStoreHandle * store_op_tail
Tail of DLL of attribute store ops.
struct IdpClient * client
Client connection.
uint32_t attr_len
The length of the attribute.
Definition: reclaim.h:55
struct GNUNET_CRYPTO_EcdsaPublicKey identity_pkey
Identity pubkey.
uint64_t exp
The expiration interval of the attribute.
Definition: reclaim.h:60
void GNUNET_CRYPTO_ecdsa_key_get_public(const struct GNUNET_CRYPTO_EcdsaPrivateKey *priv, struct GNUNET_CRYPTO_EcdsaPublicKey *pub)
Extract the public key for the given private key.
Definition: crypto_ecc.c:176
static struct GNUNET_RECLAIM_Handle * idp
Identity Provider.
#define GNUNET_log(kind,...)
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2242
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:50
uint64_t GNUNET_ntohll(uint64_t n)
Convert unsigned 64-bit integer to host byte order.
Definition: common_endian.c:53
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◆ send_delete_response()

static void send_delete_response ( struct AttributeDeleteHandle adh,
int32_t  success 
)
static

Send a deletion success response.

Parameters
adhour attribute deletion handle
successthe success status

Definition at line 1285 of file gnunet-service-reclaim.c.

References AttributeDeleteHandle::client, IdpClient::delete_op_head, IdpClient::delete_op_tail, env, GNUNET_CONTAINER_DLL_remove, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_MESSAGE_TYPE_RECLAIM_SUCCESS_RESPONSE, GNUNET_MQ_msg, GNUNET_MQ_send(), SuccessResultMessage::id, IdpClient::mq, SuccessResultMessage::op_result, and AttributeDeleteHandle::r_id.

Referenced by attr_delete_cont(), cred_delete_cont(), ticket_iter_err(), and update_tickets().

1286 {
1287  struct GNUNET_MQ_Envelope *env;
1288  struct SuccessResultMessage *acr_msg;
1289 
1291  adh->client->delete_op_tail,
1292  adh);
1293 
1294  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending SUCCESS_RESPONSE message\n");
1296  acr_msg->id = htonl (adh->r_id);
1297  acr_msg->op_result = htonl (success);
1298  GNUNET_MQ_send (adh->client->mq, env);
1299 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
int32_t op_result
GNUNET_SYSERR on failure, GNUNET_OK on success
Definition: reclaim.h:118
#define GNUNET_MQ_msg(mvar, type)
Allocate a GNUNET_MQ_Envelope.
Definition: gnunet_mq_lib.h:67
struct GNUNET_MQ_Handle * mq
Message queue for transmission to client.
Attribute store/delete response message.
Definition: reclaim.h:103
struct IdpClient * client
Client connection.
struct GNUNET_MQ_Envelope * env
Definition: 005.c:1
struct AttributeDeleteHandle * delete_op_head
Head of DLL of attribute delete ops.
#define GNUNET_MESSAGE_TYPE_RECLAIM_SUCCESS_RESPONSE
#define GNUNET_log(kind,...)
struct AttributeDeleteHandle * delete_op_tail
Tail of DLL of attribute delete ops.
void GNUNET_MQ_send(struct GNUNET_MQ_Handle *mq, struct GNUNET_MQ_Envelope *ev)
Send a message with the given message queue.
Definition: mq.c:355
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:113
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◆ ticket_iter()

static void ticket_iter ( void *  cls,
const struct GNUNET_CRYPTO_EcdsaPrivateKey zone,
const char *  label,
unsigned int  rd_count,
const struct GNUNET_GNSRECORD_Data rd 
)
static

Namestore iteration within attribute deletion.

We need to reissue tickets with the deleted attribute removed.

Parameters
clsour attribute deletion handle
zonethe private key of the ticket issuer
labelthe label of the record
rd_countnumber of records
rdrecord data

Definition at line 1313 of file gnunet-service-reclaim.c.

References AttributeDeleteHandle::claim, AttributeDeleteHandle::credential, TicketRecordsEntry::data, data, TicketRecordsEntry::data_size, GNUNET_CONTAINER_DLL_insert, GNUNET_ERROR_TYPE_ERROR, GNUNET_GNSRECORD_records_get_size(), GNUNET_GNSRECORD_records_serialize(), GNUNET_GNSRECORD_TYPE_RECLAIM_ATTRIBUTE_REF, GNUNET_log, GNUNET_malloc, GNUNET_NAMESTORE_zone_iterator_next(), GNUNET_new, GNUNET_NO, GNUNET_RECLAIM_id_is_equal, GNUNET_strdup, GNUNET_YES, GNUNET_RECLAIM_Attribute::id, GNUNET_RECLAIM_Credential::id, TicketRecordsEntry::label, AttributeDeleteHandle::label, AttributeDeleteHandle::ns_it, TicketRecordsEntry::rd_count, AttributeDeleteHandle::tickets_to_update_head, AttributeDeleteHandle::tickets_to_update_tail, and update_tickets().

Referenced by start_ticket_update().

1318 {
1319  struct AttributeDeleteHandle *adh = cls;
1320  struct TicketRecordsEntry *le;
1321  int has_changed = GNUNET_NO;
1322  for (int i = 0; i < rd_count; i++)
1323  {
1324  if (GNUNET_GNSRECORD_TYPE_RECLAIM_ATTRIBUTE_REF != rd[i].record_type)
1325  continue;
1326  if (adh->claim != NULL)
1328  &adh->claim->id))
1329  continue;
1330  if (adh->credential != NULL)
1331  if (GNUNET_YES != GNUNET_RECLAIM_id_is_equal (rd[i].data,
1332  &adh->credential->id))
1333  continue;
1335  "Attribute to delete found (%s)\n",
1336  adh->label);
1337  has_changed = GNUNET_YES;
1338  break;
1339  }
1340  if (GNUNET_YES == has_changed)
1341  {
1342  le = GNUNET_new (struct TicketRecordsEntry);
1343  le->data_size = GNUNET_GNSRECORD_records_get_size (rd_count, rd);
1344  le->data = GNUNET_malloc (le->data_size);
1345  le->rd_count = rd_count;
1346  le->label = GNUNET_strdup (label);
1347  GNUNET_GNSRECORD_records_serialize (rd_count, rd, le->data_size, le->data);
1350  le);
1351  }
1353 }
Handle for attribute deletion request.
GNUNET_NETWORK_STRUCT_END ssize_t GNUNET_GNSRECORD_records_get_size(unsigned int rd_count, const struct GNUNET_GNSRECORD_Data *rd)
Calculate how many bytes we will need to serialize the given records.
struct TicketRecordsEntry * tickets_to_update_tail
Tickets to update.
struct GNUNET_RECLAIM_Identifier id
ID.
#define GNUNET_CONTAINER_DLL_insert(head, tail, element)
Insert an element at the head of a DLL.
ssize_t GNUNET_GNSRECORD_records_serialize(unsigned int rd_count, const struct GNUNET_GNSRECORD_Data *rd, size_t dest_size, char *dest)
Serialize the given records to the given destination buffer.
#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...
#define GNUNET_strdup(a)
Wrapper around GNUNET_xstrdup_.
struct GNUNET_NAMESTORE_ZoneIterator * ns_it
Iterator.
#define GNUNET_GNSRECORD_TYPE_RECLAIM_ATTRIBUTE_REF
Record type for reclaim records.
struct GNUNET_RECLAIM_Credential * credential
The credential to delete.
unsigned int rd_count
Record count.
struct GNUNET_RECLAIM_Identifier id
ID.
struct TicketRecordsEntry * tickets_to_update_head
Tickets to update.
char * label
Attribute label.
#define GNUNET_RECLAIM_id_is_equal(a, b)
#define GNUNET_log(kind,...)
uint32_t data
The data value.
struct GNUNET_RECLAIM_Attribute * claim
The attribute to delete.
#define GNUNET_malloc(size)
Wrapper around malloc.
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◆ update_tickets()

static void update_tickets ( void *  cls)
static

Recursion prototype for function.

Update tickets: Remove shared attribute which has just been deleted.

Parameters
clsour deletion handle

This method is called recursively until all tickets are processed. Eventually, the updated tickets are stored using ``update_tickets''.

Parameters
clsour attribute deletion handle

Definition at line 1389 of file gnunet-service-reclaim.c.

References AttributeDeleteHandle::claim, cleanup_adh(), AttributeDeleteHandle::credential, data, GNUNET_GNSRECORD_Data::data, GNUNET_GNSRECORD_Data::data_size, GNUNET_CONTAINER_DLL_remove, GNUNET_ERROR_TYPE_ERROR, GNUNET_free, GNUNET_GNSRECORD_records_deserialize(), GNUNET_GNSRECORD_TYPE_RECLAIM_ATTRIBUTE_REF, GNUNET_log, GNUNET_NAMESTORE_records_store(), GNUNET_OK, GNUNET_RECLAIM_id_is_equal, GNUNET_SYSERR, GNUNET_YES, GNUNET_RECLAIM_Attribute::id, GNUNET_RECLAIM_Credential::id, AttributeDeleteHandle::identity, TicketRecordsEntry::label, AttributeDeleteHandle::ns_qe, GNUNET_GNSRECORD_Data::record_type, send_delete_response(), ticket_updated(), AttributeDeleteHandle::tickets_to_update_head, and AttributeDeleteHandle::tickets_to_update_tail.

Referenced by ticket_iter(), ticket_iter_fin(), and ticket_updated().

1390 {
1391  struct AttributeDeleteHandle *adh = cls;
1392  struct TicketRecordsEntry *le;
1393 
1394  if (NULL == adh->tickets_to_update_head)
1395  {
1397  "Finished updating tickets, success\n");
1399  cleanup_adh (adh);
1400  return;
1401  }
1403  "Updating %s\n",
1405  le = adh->tickets_to_update_head;
1408  le);
1409  struct GNUNET_GNSRECORD_Data rd[le->rd_count];
1410  struct GNUNET_GNSRECORD_Data rd_new[le->rd_count - 1];
1412  le->data,
1413  le->rd_count,
1414  rd))
1415  {
1417  "Unable to deserialize record data!\n");
1419  cleanup_adh (adh);
1420  return;
1421  }
1422  int j = 0;
1423  for (int i = 0; i < le->rd_count; i++)
1424  {
1425  if (adh->claim != NULL)
1428  &adh->claim->id)))
1429  continue;
1430  if (adh->credential != NULL)
1431  if ((GNUNET_GNSRECORD_TYPE_RECLAIM_ATTRIBUTE_REF == rd[i].record_type)
1432  && (GNUNET_YES == GNUNET_RECLAIM_id_is_equal (rd[i].data,
1433  &adh->credential->id)))
1434  continue;
1435  rd_new[j] = rd[i];
1436  j++;
1437  }
1439  &adh->identity,
1440  le->label,
1441  j,
1442  rd_new,
1443  &ticket_updated,
1444  adh);
1445  GNUNET_free (le->label);
1446  GNUNET_free (le->data);
1447  GNUNET_free (le);
1448 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
Handle for attribute deletion request.
struct TicketRecordsEntry * tickets_to_update_tail
Tickets to update.
struct GNUNET_RECLAIM_Identifier id
ID.
struct GNUNET_NAMESTORE_QueueEntry * ns_qe
QueueEntry.
int GNUNET_GNSRECORD_records_deserialize(size_t len, const char *src, unsigned int rd_count, struct GNUNET_GNSRECORD_Data *dest)
Deserialize the given records to the given destination.
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.
static void send_delete_response(struct AttributeDeleteHandle *adh, int32_t success)
Send a deletion success response.
#define GNUNET_GNSRECORD_TYPE_RECLAIM_ATTRIBUTE_REF
Record type for reclaim records.
struct GNUNET_RECLAIM_Credential * credential
The credential to delete.
unsigned int rd_count
Record count.
struct GNUNET_RECLAIM_Identifier id
ID.
struct TicketRecordsEntry * tickets_to_update_head
Tickets to update.
static void ticket_updated(void *cls, int32_t success, const char *emsg)
Callback called when a ticket was updated.
uint32_t record_type
Type of the GNS/DNS record.
#define GNUNET_RECLAIM_id_is_equal(a, b)
#define GNUNET_log(kind,...)
static struct GNUNET_NAMESTORE_Handle * nsh
Namestore handle.
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
static void cleanup_adh(struct AttributeDeleteHandle *adh)
Cleanup attribute delete handle.
uint32_t data
The data value.
struct GNUNET_RECLAIM_Attribute * claim
The attribute to delete.
#define GNUNET_free(ptr)
Wrapper around free.
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◆ ticket_updated()

static void ticket_updated ( void *  cls,
int32_t  success,
const char *  emsg 
)
static

Callback called when a ticket was updated.

Parameters
clsour attribute deletion handle
successGNUNET_OK if successful
emsgerror message (NULL if success=GNUNET_OK)

Definition at line 1372 of file gnunet-service-reclaim.c.

References GNUNET_SCHEDULER_add_now(), AttributeDeleteHandle::ns_qe, and update_tickets().

Referenced by update_tickets().

1373 {
1374  struct AttributeDeleteHandle *adh = cls;
1375 
1376  adh->ns_qe = NULL;
1378 }
Handle for attribute deletion request.
static void update_tickets(void *cls)
Recursion prototype for function.
struct GNUNET_NAMESTORE_QueueEntry * ns_qe
QueueEntry.
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:1296
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◆ ticket_iter_fin()

static void ticket_iter_fin ( void *  cls)
static

Done collecting affected tickets, start updating.

Parameters
clsour attribute deletion handle

Definition at line 1457 of file gnunet-service-reclaim.c.

References GNUNET_SCHEDULER_add_now(), AttributeDeleteHandle::ns_it, and update_tickets().

Referenced by start_ticket_update().

1458 {
1459  struct AttributeDeleteHandle *adh = cls;
1460  adh->ns_it = NULL;
1462 }
Handle for attribute deletion request.
static void update_tickets(void *cls)
Recursion prototype for function.
struct GNUNET_NAMESTORE_ZoneIterator * ns_it
Iterator.
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:1296
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◆ ticket_iter_err()

static void ticket_iter_err ( void *  cls)
static

Error collecting affected tickets.

Abort.

Parameters
clsour attribute deletion handle

Definition at line 1471 of file gnunet-service-reclaim.c.

References cleanup_adh(), GNUNET_ERROR_TYPE_ERROR, GNUNET_log, GNUNET_SYSERR, AttributeDeleteHandle::label, AttributeDeleteHandle::ns_it, and send_delete_response().

Referenced by start_ticket_update().

1472 {
1473  struct AttributeDeleteHandle *adh = cls;
1474 
1475  adh->ns_it = NULL;
1477  "Namestore error on delete %s\n",
1478  adh->label);
1480  cleanup_adh (adh);
1481 }
Handle for attribute deletion request.
struct GNUNET_NAMESTORE_ZoneIterator * ns_it
Iterator.
static void send_delete_response(struct AttributeDeleteHandle *adh, int32_t success)
Send a deletion success response.
char * label
Attribute label.
#define GNUNET_log(kind,...)
static void cleanup_adh(struct AttributeDeleteHandle *adh)
Cleanup attribute delete handle.
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◆ start_ticket_update()

static void start_ticket_update ( void *  cls)
static

Start processing tickets which may still contain reference to deleted attribute.

Parameters
clsattribute deletion handle

Definition at line 1491 of file gnunet-service-reclaim.c.

References GNUNET_NAMESTORE_zone_iteration_start(), AttributeDeleteHandle::identity, AttributeDeleteHandle::ns_it, ticket_iter(), ticket_iter_err(), and ticket_iter_fin().

Referenced by attr_delete_cont(), and cred_delete_cont().

1492 {
1493  struct AttributeDeleteHandle *adh = cls;
1494 
1496  &adh->identity,
1497  &ticket_iter_err,
1498  adh,
1499  &ticket_iter,
1500  adh,
1501  &ticket_iter_fin,
1502  adh);
1503 }
Handle for attribute deletion request.
static void ticket_iter_err(void *cls)
Error collecting affected tickets.
static void ticket_iter(void *cls, const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone, const char *label, unsigned int rd_count, const struct GNUNET_GNSRECORD_Data *rd)
Namestore iteration within attribute deletion.
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 GNUNET_NAMESTORE_ZoneIterator * ns_it
Iterator.
static void ticket_iter_fin(void *cls)
Done collecting affected tickets, start updating.
static struct GNUNET_NAMESTORE_Handle * nsh
Namestore handle.
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
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◆ attr_delete_cont()

static void attr_delete_cont ( void *  cls,
int32_t  success,
const char *  emsg 
)
static

Attribute deleted callback.

Parameters
clsour handle
successsuccess status
emsgerror message (NULL if success=GNUNET_OK)

Definition at line 1514 of file gnunet-service-reclaim.c.

References cleanup_adh(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_ERROR_TYPE_ERROR, GNUNET_log, GNUNET_SCHEDULER_add_now(), GNUNET_SYSERR, AttributeDeleteHandle::label, AttributeDeleteHandle::ns_qe, send_delete_response(), and start_ticket_update().

Referenced by handle_attribute_delete_message().

1515 {
1516  struct AttributeDeleteHandle *adh = cls;
1517 
1518  adh->ns_qe = NULL;
1519  if (GNUNET_SYSERR == success)
1520  {
1522  "Error deleting attribute %s\n",
1523  adh->label);
1525  cleanup_adh (adh);
1526  return;
1527  }
1528  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Updating tickets...\n");
1530 }
Handle for attribute deletion request.
struct GNUNET_NAMESTORE_QueueEntry * ns_qe
QueueEntry.
static void send_delete_response(struct AttributeDeleteHandle *adh, int32_t success)
Send a deletion success response.
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:1296
static void start_ticket_update(void *cls)
Start processing tickets which may still contain reference to deleted attribute.
char * label
Attribute label.
#define GNUNET_log(kind,...)
static void cleanup_adh(struct AttributeDeleteHandle *adh)
Cleanup attribute delete handle.
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◆ check_attribute_delete_message()

static int check_attribute_delete_message ( void *  cls,
const struct AttributeDeleteMessage dam 
)
static

Check attribute delete message format.

unused message to check

Definition at line 1540 of file gnunet-service-reclaim.c.

References GNUNET_break, GNUNET_OK, GNUNET_SYSERR, AttributeDeleteMessage::header, size, and GNUNET_MessageHeader::size.

1542 {
1543  uint16_t size;
1544 
1545  size = ntohs (dam->header.size);
1546  if (size <= sizeof(struct AttributeDeleteMessage))
1547  {
1548  GNUNET_break (0);
1549  return GNUNET_SYSERR;
1550  }
1551  return GNUNET_OK;
1552 }
Use to delete an identity attribute.
Definition: reclaim.h:74
uint16_t size
The length of the struct (in bytes, including the length field itself), in big-endian format...
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur...
struct GNUNET_MessageHeader header
Type: GNUNET_MESSAGE_TYPE_IDENTITY_SET_DEFAULT.
Definition: reclaim.h:79
static unsigned int size
Size of the "table".
Definition: peer.c:67

◆ handle_attribute_delete_message()

static void handle_attribute_delete_message ( void *  cls,
const struct AttributeDeleteMessage dam 
)
static

Handle attribute deletion.

Parameters
clsour client
damdeletion message

Definition at line 1562 of file gnunet-service-reclaim.c.

References attr_delete_cont(), AttributeDeleteMessage::attr_len, AttributeDeleteHandle::claim, IdpClient::client, AttributeDeleteHandle::client, AttributeDeleteHandle::credential, IdpClient::delete_op_head, IdpClient::delete_op_tail, GNUNET_CONTAINER_DLL_insert, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_NAMESTORE_records_store(), GNUNET_new, GNUNET_RECLAIM_attribute_deserialize(), GNUNET_SERVICE_client_continue(), GNUNET_STRINGS_data_to_string_alloc(), GNUNET_RECLAIM_Attribute::id, AttributeDeleteHandle::identity, idp, AttributeDeleteHandle::label, AttributeDeleteHandle::ns_qe, and AttributeDeleteHandle::r_id.

1564 {
1565  struct AttributeDeleteHandle *adh;
1566  struct IdpClient *idp = cls;
1567  size_t data_len;
1568 
1569  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received ATTRIBUTE_DELETE message\n");
1570 
1571  data_len = ntohs (dam->attr_len);
1572 
1573  adh = GNUNET_new (struct AttributeDeleteHandle);
1574  GNUNET_RECLAIM_attribute_deserialize ((char *) &dam[1],
1575  data_len,
1576  &adh->claim);
1577  adh->credential = NULL;
1578 
1579  adh->r_id = ntohl (dam->id);
1580  adh->identity = dam->identity;
1581  adh->label
1583  sizeof(adh->claim->id));
1585  adh->client = idp;
1588  &adh->identity,
1589  adh->label,
1590  0,
1591  NULL,
1593  adh);
1594 }
Handle for attribute deletion request.
ssize_t GNUNET_RECLAIM_attribute_deserialize(const char *data, size_t data_size, struct GNUNET_RECLAIM_Attribute **attr)
Deserialize an attribute.
static void attr_delete_cont(void *cls, int32_t success, const char *emsg)
Attribute deleted callback.
#define GNUNET_CONTAINER_DLL_insert(head, tail, element)
Insert an element at the head of a DLL.
An idp client.
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
Definition: reclaim.h:94
#define GNUNET_new(type)
Allocate a struct or union of the given type.
struct GNUNET_NAMESTORE_QueueEntry * ns_qe
QueueEntry.
uint32_t attr_len
The length of the attribute.
Definition: reclaim.h:89
struct GNUNET_SERVICE_Client * client
The client.
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.
struct GNUNET_RECLAIM_Credential * credential
The credential to delete.
struct GNUNET_RECLAIM_Identifier id
ID.
char * label
Attribute label.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:84
static struct GNUNET_RECLAIM_Handle * idp
Identity Provider.
struct IdpClient * client
Client connection.
struct AttributeDeleteHandle * delete_op_head
Head of DLL of attribute delete ops.
#define GNUNET_log(kind,...)
struct AttributeDeleteHandle * delete_op_tail
Tail of DLL of attribute delete ops.
static struct GNUNET_NAMESTORE_Handle * nsh
Namestore handle.
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
char * GNUNET_STRINGS_data_to_string_alloc(const void *buf, size_t size)
Return the base32crockford encoding of the given buffer.
Definition: strings.c:936
struct GNUNET_RECLAIM_Attribute * claim
The attribute to delete.
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2242
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◆ cred_delete_cont()

static void cred_delete_cont ( void *  cls,
int32_t  success,
const char *  emsg 
)
static

Credential deleted callback.

Parameters
clsour handle
successsuccess status
emsgerror message (NULL if success=GNUNET_OK)

Definition at line 1605 of file gnunet-service-reclaim.c.

References cleanup_adh(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_ERROR_TYPE_ERROR, GNUNET_log, GNUNET_SCHEDULER_add_now(), GNUNET_SYSERR, AttributeDeleteHandle::label, AttributeDeleteHandle::ns_qe, send_delete_response(), and start_ticket_update().

Referenced by handle_credential_delete_message().

1606 {
1607  struct AttributeDeleteHandle *adh = cls;
1608 
1609  adh->ns_qe = NULL;
1610  if (GNUNET_SYSERR == success)
1611  {
1613  "Error deleting credential `%s'\n",
1614  adh->label);
1616  cleanup_adh (adh);
1617  return;
1618  }
1619  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Updating tickets...\n");
1621 }
Handle for attribute deletion request.
struct GNUNET_NAMESTORE_QueueEntry * ns_qe
QueueEntry.
static void send_delete_response(struct AttributeDeleteHandle *adh, int32_t success)
Send a deletion success response.
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:1296
static void start_ticket_update(void *cls)
Start processing tickets which may still contain reference to deleted attribute.
char * label
Attribute label.
#define GNUNET_log(kind,...)
static void cleanup_adh(struct AttributeDeleteHandle *adh)
Cleanup attribute delete handle.
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◆ check_credential_delete_message()

static int check_credential_delete_message ( void *  cls,
const struct AttributeDeleteMessage dam 
)
static

Check credential delete message format.

unused message to check

Definition at line 1631 of file gnunet-service-reclaim.c.

References GNUNET_break, GNUNET_OK, GNUNET_SYSERR, AttributeDeleteMessage::header, size, and GNUNET_MessageHeader::size.

1633 {
1634  uint16_t size;
1635 
1636  size = ntohs (dam->header.size);
1637  if (size <= sizeof(struct AttributeDeleteMessage))
1638  {
1639  GNUNET_break (0);
1640  return GNUNET_SYSERR;
1641  }
1642  return GNUNET_OK;
1643 }
Use to delete an identity attribute.
Definition: reclaim.h:74
uint16_t size
The length of the struct (in bytes, including the length field itself), in big-endian format...
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur...
struct GNUNET_MessageHeader header
Type: GNUNET_MESSAGE_TYPE_IDENTITY_SET_DEFAULT.
Definition: reclaim.h:79
static unsigned int size
Size of the "table".
Definition: peer.c:67

◆ handle_credential_delete_message()

static void handle_credential_delete_message ( void *  cls,
const struct AttributeDeleteMessage dam 
)
static

Handle credential deletion.

Parameters
clsour client
damdeletion message

Definition at line 1653 of file gnunet-service-reclaim.c.

References AttributeDeleteMessage::attr_len, AttributeDeleteHandle::claim, IdpClient::client, AttributeDeleteHandle::client, cred_delete_cont(), AttributeDeleteHandle::credential, IdpClient::delete_op_head, IdpClient::delete_op_tail, GNUNET_CONTAINER_DLL_insert, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_NAMESTORE_records_store(), GNUNET_new, GNUNET_RECLAIM_credential_deserialize(), GNUNET_SERVICE_client_continue(), GNUNET_STRINGS_data_to_string_alloc(), GNUNET_RECLAIM_Credential::id, AttributeDeleteHandle::identity, idp, AttributeDeleteHandle::label, AttributeDeleteHandle::ns_qe, and AttributeDeleteHandle::r_id.

1655 {
1656  struct AttributeDeleteHandle *adh;
1657  struct IdpClient *idp = cls;
1658  size_t data_len;
1659 
1660  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received CREDENTIAL_DELETE message\n");
1661 
1662  data_len = ntohs (dam->attr_len);
1663 
1664  adh = GNUNET_new (struct AttributeDeleteHandle);
1665  adh->credential = GNUNET_RECLAIM_credential_deserialize ((char *) &dam[1],
1666  data_len);
1667  adh->claim = NULL;
1668 
1669  adh->r_id = ntohl (dam->id);
1670  adh->identity = dam->identity;
1671  adh->label
1673  sizeof(adh->credential->id));
1675  adh->client = idp;
1678  &adh->identity,
1679  adh->label,
1680  0,
1681  NULL,
1683  adh);
1684 }
Handle for attribute deletion request.
struct GNUNET_RECLAIM_Credential * GNUNET_RECLAIM_credential_deserialize(const char *data, size_t data_size)
Deserialize an credential.
struct GNUNET_RECLAIM_Identifier id
ID.
#define GNUNET_CONTAINER_DLL_insert(head, tail, element)
Insert an element at the head of a DLL.
An idp client.
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
Definition: reclaim.h:94
#define GNUNET_new(type)
Allocate a struct or union of the given type.
struct GNUNET_NAMESTORE_QueueEntry * ns_qe
QueueEntry.
uint32_t attr_len
The length of the attribute.
Definition: reclaim.h:89
struct GNUNET_SERVICE_Client * client
The client.
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.
struct GNUNET_RECLAIM_Credential * credential
The credential to delete.
char * label
Attribute label.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:84
static struct GNUNET_RECLAIM_Handle * idp
Identity Provider.
struct IdpClient * client
Client connection.
struct AttributeDeleteHandle * delete_op_head
Head of DLL of attribute delete ops.
#define GNUNET_log(kind,...)
struct AttributeDeleteHandle * delete_op_tail
Tail of DLL of attribute delete ops.
static struct GNUNET_NAMESTORE_Handle * nsh
Namestore handle.
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
char * GNUNET_STRINGS_data_to_string_alloc(const void *buf, size_t size)
Return the base32crockford encoding of the given buffer.
Definition: strings.c:936
struct GNUNET_RECLAIM_Attribute * claim
The attribute to delete.
static void cred_delete_cont(void *cls, int32_t success, const char *emsg)
Credential deleted callback.
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2242
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◆ attr_iter_finished()

static void attr_iter_finished ( void *  cls)
static

Done iterating over attributes.

Parameters
clsour iterator handle

Definition at line 1698 of file gnunet-service-reclaim.c.

References ai, IdpClient::attr_iter_head, IdpClient::attr_iter_tail, AttributeResultMessage::attr_len, Iterator::client, env, GNUNET_CONTAINER_DLL_remove, GNUNET_ERROR_TYPE_DEBUG, GNUNET_free, GNUNET_log, GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_RESULT, GNUNET_MQ_msg, GNUNET_MQ_send(), AttributeResultMessage::id, IdpClient::mq, and Iterator::request_id.

Referenced by attr_iter_error(), and handle_iteration_start().

1699 {
1700  struct Iterator *ai = cls;
1701  struct GNUNET_MQ_Envelope *env;
1702  struct AttributeResultMessage *arm;
1703 
1704  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending ATTRIBUTE_RESULT message\n");
1706  arm->id = htonl (ai->request_id);
1707  arm->attr_len = htons (0);
1708  GNUNET_MQ_send (ai->client->mq, env);
1710  ai->client->attr_iter_tail,
1711  ai);
1712  GNUNET_free (ai);
1713 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:134
struct Iterator * attr_iter_head
Head of the DLL of Attribute iteration operations in progress initiated by this client.
#define GNUNET_MQ_msg(mvar, type)
Allocate a GNUNET_MQ_Envelope.
Definition: gnunet_mq_lib.h:67
An attribute iteration operation.
struct IdpClient * client
IDP client which intiated this zone iteration.
struct GNUNET_MQ_Handle * mq
Message queue for transmission to client.
#define GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_RESULT
static struct GNUNET_TRANSPORT_AddressIdentifier * ai
Handle to the operation that publishes our address.
struct GNUNET_MQ_Envelope * env
Definition: 005.c:1
Attribute is returned from the idp.
Definition: reclaim.h:124
uint16_t attr_len
Length of serialized attribute data.
Definition: reclaim.h:139
#define GNUNET_log(kind,...)
void GNUNET_MQ_send(struct GNUNET_MQ_Handle *mq, struct GNUNET_MQ_Envelope *ev)
Send a message with the given message queue.
Definition: mq.c:355
uint32_t request_id
The operation id fot the zone iteration in the response for the client.
struct Iterator * attr_iter_tail
Tail of the DLL of Attribute iteration operations in progress initiated by this client.
#define GNUNET_free(ptr)
Wrapper around free.
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◆ attr_iter_error()

static void attr_iter_error ( void *  cls)
static

Error iterating over attributes.

Abort.

Parameters
clsour attribute iteration handle

Definition at line 1722 of file gnunet-service-reclaim.c.

References ai, attr_iter_finished(), GNUNET_ERROR_TYPE_ERROR, and GNUNET_log.

Referenced by handle_iteration_start().

1723 {
1724  struct Iterator *ai = cls;
1725 
1726  GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to iterate over attributes\n");
1727  attr_iter_finished (ai);
1728 }
An attribute iteration operation.
static struct GNUNET_TRANSPORT_AddressIdentifier * ai
Handle to the operation that publishes our address.
#define GNUNET_log(kind,...)
static void attr_iter_finished(void *cls)
Done iterating over attributes.
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◆ attr_iter_cb()

static void attr_iter_cb ( void *  cls,
const struct GNUNET_CRYPTO_EcdsaPrivateKey zone,
const char *  label,
unsigned int  rd_count,
const struct GNUNET_GNSRECORD_Data rd 
)
static

Got record.

Return if it is an attribute.

Parameters
clsour attribute iterator
zonezone we are iterating
labellabel of the records
rd_countrecord count
rdrecords

Definition at line 1741 of file gnunet-service-reclaim.c.

References ai, AttributeResultMessage::attr_len, Iterator::client, GNUNET_GNSRECORD_Data::data, GNUNET_GNSRECORD_Data::data_size, env, GNUNET_CRYPTO_ecdsa_key_get_public(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_GNSRECORD_TYPE_RECLAIM_ATTRIBUTE, GNUNET_log, GNUNET_memcpy, GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_RESULT, GNUNET_MQ_msg_extra, GNUNET_MQ_send(), GNUNET_NAMESTORE_zone_iterator_next(), AttributeResultMessage::id, AttributeResultMessage::identity, IdpClient::mq, Iterator::ns_it, GNUNET_GNSRECORD_Data::record_type, and Iterator::request_id.

Referenced by handle_iteration_start().

1746 {
1747  struct Iterator *ai = cls;
1748  struct GNUNET_MQ_Envelope *env;
1749  char *data_tmp;
1750 
1751  if ((rd_count != 1) ||
1753  {
1755  return;
1756  }
1757  struct AttributeResultMessage *arm;
1758  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found attribute under: %s\n",
1759  label);
1761  "Sending ATTRIBUTE_RESULT message\n");
1762  env = GNUNET_MQ_msg_extra (arm,
1763  rd->data_size,
1765  arm->id = htonl (ai->request_id);
1766  arm->attr_len = htons (rd->data_size);
1768  data_tmp = (char *) &arm[1];
1769  GNUNET_memcpy (data_tmp, rd->data, rd->data_size);
1770  GNUNET_MQ_send (ai->client->mq, env);
1771 }
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:134
#define GNUNET_memcpy(dst, src, n)
Call memcpy() but check for n being 0 first.
An attribute iteration operation.
size_t data_size
Number of bytes in data.
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...
struct IdpClient * client
IDP client which intiated this zone iteration.
struct GNUNET_MQ_Handle * mq
Message queue for transmission to client.
#define GNUNET_MQ_msg_extra(mvar, esize, type)
Allocate an envelope, with extra space allocated after the space needed by the message struct...
Definition: gnunet_mq_lib.h:52
const void * data
Binary value stored in the DNS record.
#define GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_RESULT
struct GNUNET_NAMESTORE_ZoneIterator * ns_it
Namestore iterator.
#define GNUNET_GNSRECORD_TYPE_RECLAIM_ATTRIBUTE
Record type for identity attributes (of RECLAIM).
static struct GNUNET_TRANSPORT_AddressIdentifier * ai
Handle to the operation that publishes our address.
void GNUNET_CRYPTO_ecdsa_key_get_public(const struct GNUNET_CRYPTO_EcdsaPrivateKey *priv, struct GNUNET_CRYPTO_EcdsaPublicKey *pub)
Extract the public key for the given private key.
Definition: crypto_ecc.c:176
struct GNUNET_MQ_Envelope * env
Definition: 005.c:1
uint32_t record_type
Type of the GNS/DNS record.
Attribute is returned from the idp.
Definition: reclaim.h:124
uint16_t attr_len
Length of serialized attribute data.
Definition: reclaim.h:139
#define GNUNET_log(kind,...)
struct GNUNET_CRYPTO_EcdsaPublicKey identity
The public key of the identity.
Definition: reclaim.h:154
void GNUNET_MQ_send(struct GNUNET_MQ_Handle *mq, struct GNUNET_MQ_Envelope *ev)
Send a message with the given message queue.
Definition: mq.c:355
uint32_t request_id
The operation id fot the zone iteration in the response for the client.
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◆ handle_iteration_start()

static void handle_iteration_start ( void *  cls,
const struct AttributeIterationStartMessage ais_msg 
)
static

Iterate over zone to get attributes.

Parameters
clsour client
ais_msgthe iteration message to start

Definition at line 1781 of file gnunet-service-reclaim.c.

References ai, attr_iter_cb(), attr_iter_error(), attr_iter_finished(), IdpClient::attr_iter_head, IdpClient::attr_iter_tail, Iterator::client, IdpClient::client, GNUNET_CONTAINER_DLL_insert, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_NAMESTORE_zone_iteration_start(), GNUNET_new, GNUNET_SERVICE_client_continue(), AttributeIterationStartMessage::id, Iterator::identity, AttributeIterationStartMessage::identity, idp, Iterator::ns_it, and Iterator::request_id.

1783 {
1784  struct IdpClient *idp = cls;
1785  struct Iterator *ai;
1786 
1788  "Received ATTRIBUTE_ITERATION_START message\n");
1789  ai = GNUNET_new (struct Iterator);
1790  ai->request_id = ntohl (ais_msg->id);
1791  ai->client = idp;
1792  ai->identity = ais_msg->identity;
1793 
1796  &ai->identity,
1797  &attr_iter_error,
1798  ai,
1799  &attr_iter_cb,
1800  ai,
1802  ai);
1804 }
#define GNUNET_CONTAINER_DLL_insert(head, tail, element)
Insert an element at the head of a DLL.
An idp client.
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)...
static void attr_iter_error(void *cls)
Error iterating over attributes.
struct Iterator * attr_iter_head
Head of the DLL of Attribute iteration operations in progress initiated by this client.
An attribute iteration operation.
#define GNUNET_new(type)
Allocate a struct or union of the given type.
struct IdpClient * client
IDP client which intiated this zone iteration.
struct GNUNET_SERVICE_Client * client
The client.
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
Definition: reclaim.h:215
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Key of the zone we are iterating over.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:210
struct GNUNET_NAMESTORE_ZoneIterator * ns_it
Namestore iterator.
static struct GNUNET_TRANSPORT_AddressIdentifier * ai
Handle to the operation that publishes our address.
static struct GNUNET_RECLAIM_Handle * idp
Identity Provider.
#define GNUNET_log(kind,...)
static void attr_iter_cb(void *cls, const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone, const char *label, unsigned int rd_count, const struct GNUNET_GNSRECORD_Data *rd)
Got record.
static struct GNUNET_NAMESTORE_Handle * nsh
Namestore handle.
uint32_t request_id
The operation id fot the zone iteration in the response for the client.
static void attr_iter_finished(void *cls)
Done iterating over attributes.
struct Iterator * attr_iter_tail
Tail of the DLL of Attribute iteration operations in progress initiated by this client.
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2242
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◆ handle_iteration_stop()

static void handle_iteration_stop ( void *  cls,
const struct AttributeIterationStopMessage ais_msg 
)
static

Handle iteration stop message from client.

Parameters
clsthe client
ais_msgthe stop message

Definition at line 1814 of file gnunet-service-reclaim.c.

References ai, IdpClient::attr_iter_head, IdpClient::attr_iter_tail, IdpClient::client, GNUNET_break, GNUNET_CONTAINER_DLL_remove, GNUNET_ERROR_TYPE_DEBUG, GNUNET_free, GNUNET_log, GNUNET_SERVICE_client_continue(), GNUNET_SERVICE_client_drop(), AttributeIterationStopMessage::id, idp, Iterator::next, and Iterator::request_id.

1816 {
1817  struct IdpClient *idp = cls;
1818  struct Iterator *ai;
1819  uint32_t rid;
1820 
1822  "Received `%s' message\n",
1823  "ATTRIBUTE_ITERATION_STOP");
1824  rid = ntohl (ais_msg->id);
1825  for (ai = idp->attr_iter_head; NULL != ai; ai = ai->next)
1826  if (ai->request_id == rid)
1827  break;
1828  if (NULL == ai)
1829  {
1830  GNUNET_break (0);
1832  return;
1833  }
1835  GNUNET_free (ai);
1837 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
An idp client.
struct Iterator * attr_iter_head
Head of the DLL of Attribute iteration operations in progress initiated by this client.
An attribute iteration operation.
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur...
struct GNUNET_SERVICE_Client * client
The client.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:305
void GNUNET_SERVICE_client_drop(struct GNUNET_SERVICE_Client *c)
Ask the server to disconnect from the given client.
Definition: service.c:2323
static struct GNUNET_TRANSPORT_AddressIdentifier * ai
Handle to the operation that publishes our address.
static struct GNUNET_RECLAIM_Handle * idp
Identity Provider.
struct Iterator * next
Next element in the DLL.
#define GNUNET_log(kind,...)
uint32_t request_id
The operation id fot the zone iteration in the response for the client.
struct Iterator * attr_iter_tail
Tail of the DLL of Attribute iteration operations in progress initiated by this client.
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2242
#define GNUNET_free(ptr)
Wrapper around free.
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◆ handle_iteration_next()

static void handle_iteration_next ( void *  cls,
const struct AttributeIterationNextMessage ais_msg 
)
static

Client requests next attribute from iterator.

Parameters
clsthe client
ais_msgthe message

Definition at line 1847 of file gnunet-service-reclaim.c.

References ai, IdpClient::attr_iter_head, IdpClient::client, GNUNET_break, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_NAMESTORE_zone_iterator_next(), GNUNET_SERVICE_client_continue(), GNUNET_SERVICE_client_drop(), AttributeIterationNextMessage::id, idp, Iterator::next, Iterator::ns_it, and Iterator::request_id.

1849 {
1850  struct IdpClient *idp = cls;
1851  struct Iterator *ai;
1852  uint32_t rid;
1853 
1855  "Received ATTRIBUTE_ITERATION_NEXT message\n");
1856  rid = ntohl (ais_msg->id);
1857  for (ai = idp->attr_iter_head; NULL != ai; ai = ai->next)
1858  if (ai->request_id == rid)
1859  break;
1860  if (NULL == ai)
1861  {
1862  GNUNET_break (0);
1864  return;
1865  }
1868 }
An idp client.
struct Iterator * attr_iter_head
Head of the DLL of Attribute iteration operations in progress initiated by this client.
An attribute iteration operation.
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...
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur...
struct GNUNET_SERVICE_Client * client
The client.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:232
struct GNUNET_NAMESTORE_ZoneIterator * ns_it
Namestore iterator.
void GNUNET_SERVICE_client_drop(struct GNUNET_SERVICE_Client *c)
Ask the server to disconnect from the given client.
Definition: service.c:2323
static struct GNUNET_TRANSPORT_AddressIdentifier * ai
Handle to the operation that publishes our address.
static struct GNUNET_RECLAIM_Handle * idp
Identity Provider.
struct Iterator * next
Next element in the DLL.
#define GNUNET_log(kind,...)
uint32_t request_id
The operation id fot the zone iteration in the response for the client.
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2242
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◆ cred_iter_finished()

static void cred_iter_finished ( void *  cls)
static

Done iterating over credentials.

Parameters
clsour iterator handle

Definition at line 1882 of file gnunet-service-reclaim.c.

References ai, Iterator::client, IdpClient::cred_iter_head, IdpClient::cred_iter_tail, CredentialResultMessage::credential_len, env, GNUNET_CONTAINER_DLL_remove, GNUNET_ERROR_TYPE_DEBUG, GNUNET_free, GNUNET_log, GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_RESULT, GNUNET_MQ_msg, GNUNET_MQ_send(), CredentialResultMessage::id, IdpClient::mq, and Iterator::request_id.

Referenced by cred_iter_error(), and handle_credential_iteration_start().

1883 {
1884  struct Iterator *ai = cls;
1885  struct GNUNET_MQ_Envelope *env;
1886  struct CredentialResultMessage *arm;
1887 
1888  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending CREDENTIAL_RESULT message\n");
1890  arm->id = htonl (ai->request_id);
1891  arm->credential_len = htons (0);
1892  GNUNET_MQ_send (ai->client->mq, env);
1894  ai->client->cred_iter_tail,
1895  ai);
1896  GNUNET_free (ai);
1897 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
uint16_t credential_len
Length of serialized attribute data.
Definition: reclaim.h:179
#define GNUNET_MQ_msg(mvar, type)
Allocate a GNUNET_MQ_Envelope.
Definition: gnunet_mq_lib.h:67
#define GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_RESULT
An attribute iteration operation.
struct IdpClient * client
IDP client which intiated this zone iteration.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:174
struct GNUNET_MQ_Handle * mq
Message queue for transmission to client.
struct Iterator * cred_iter_head
Head of the DLL of Credential iteration operations in progress initiated by this client.
static struct GNUNET_TRANSPORT_AddressIdentifier * ai
Handle to the operation that publishes our address.
struct GNUNET_MQ_Envelope * env
Definition: 005.c:1
struct Iterator * cred_iter_tail
Tail of the DLL of Credential iteration operations in progress initiated by this client.
#define GNUNET_log(kind,...)
void GNUNET_MQ_send(struct GNUNET_MQ_Handle *mq, struct GNUNET_MQ_Envelope *ev)
Send a message with the given message queue.
Definition: mq.c:355
uint32_t request_id
The operation id fot the zone iteration in the response for the client.
Credential is returned from the idp.
Definition: reclaim.h:164
#define GNUNET_free(ptr)
Wrapper around free.
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◆ cred_iter_error()

static void cred_iter_error ( void *  cls)
static

Error iterating over credentials.

Abort.

Parameters
clsour attribute iteration handle

Definition at line 1906 of file gnunet-service-reclaim.c.

References ai, cred_iter_finished(), GNUNET_ERROR_TYPE_ERROR, and GNUNET_log.

Referenced by handle_credential_iteration_start().

1907 {
1908  struct Iterator *ai = cls;
1909 
1910  GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to iterate over credentials\n");
1911  cred_iter_finished (ai);
1912 }
An attribute iteration operation.
static struct GNUNET_TRANSPORT_AddressIdentifier * ai
Handle to the operation that publishes our address.
#define GNUNET_log(kind,...)
static void cred_iter_finished(void *cls)
Done iterating over credentials.
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◆ cred_iter_cb()

static void cred_iter_cb ( void *  cls,
const struct GNUNET_CRYPTO_EcdsaPrivateKey zone,
const char *  label,
unsigned int  rd_count,
const struct GNUNET_GNSRECORD_Data rd 
)
static

Got record.

Return credential.

Parameters
clsour attribute iterator
zonezone we are iterating
labellabel of the records
rd_countrecord count
rdrecords

Definition at line 1925 of file gnunet-service-reclaim.c.

References ai, Iterator::client, CredentialResultMessage::credential_len, GNUNET_GNSRECORD_Data::data, GNUNET_GNSRECORD_Data::data_size, env, GNUNET_CRYPTO_ecdsa_key_get_public(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_GNSRECORD_TYPE_RECLAIM_CREDENTIAL, GNUNET_log, GNUNET_memcpy, GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_RESULT, GNUNET_MQ_msg_extra, GNUNET_MQ_send(), GNUNET_NAMESTORE_zone_iterator_next(), CredentialResultMessage::id, CredentialResultMessage::identity, IdpClient::mq, Iterator::ns_it, GNUNET_GNSRECORD_Data::record_type, and Iterator::request_id.

Referenced by handle_credential_iteration_start().

1930 {
1931  struct Iterator *ai = cls;
1932  struct GNUNET_MQ_Envelope *env;
1933  struct CredentialResultMessage *arm;
1934  char *data_tmp;
1935 
1936  if ((rd_count != 1) ||
1938  {
1940  return;
1941  }
1942  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found credential under: %s\n",
1943  label);
1945  "Sending CREDENTIAL_RESULT message\n");
1946  env = GNUNET_MQ_msg_extra (arm,
1947  rd->data_size,
1949  arm->id = htonl (ai->request_id);
1950  arm->credential_len = htons (rd->data_size);
1952  data_tmp = (char *) &arm[1];
1953  GNUNET_memcpy (data_tmp, rd->data, rd->data_size);
1954 
1955  GNUNET_MQ_send (ai->client->mq, env);
1956 }
uint16_t credential_len
Length of serialized attribute data.
Definition: reclaim.h:179
struct GNUNET_CRYPTO_EcdsaPublicKey identity
The public key of the identity.
Definition: reclaim.h:189
#define GNUNET_memcpy(dst, src, n)
Call memcpy() but check for n being 0 first.
#define GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_RESULT
An attribute iteration operation.
size_t data_size
Number of bytes in data.
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...
#define GNUNET_GNSRECORD_TYPE_RECLAIM_CREDENTIAL
Record type for an attribute attestation.
struct IdpClient * client
IDP client which intiated this zone iteration.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:174
struct GNUNET_MQ_Handle * mq
Message queue for transmission to client.
#define GNUNET_MQ_msg_extra(mvar, esize, type)
Allocate an envelope, with extra space allocated after the space needed by the message struct...
Definition: gnunet_mq_lib.h:52
const void * data
Binary value stored in the DNS record.
struct GNUNET_NAMESTORE_ZoneIterator * ns_it
Namestore iterator.
static struct GNUNET_TRANSPORT_AddressIdentifier * ai
Handle to the operation that publishes our address.
void GNUNET_CRYPTO_ecdsa_key_get_public(const struct GNUNET_CRYPTO_EcdsaPrivateKey *priv, struct GNUNET_CRYPTO_EcdsaPublicKey *pub)
Extract the public key for the given private key.
Definition: crypto_ecc.c:176
struct GNUNET_MQ_Envelope * env
Definition: 005.c:1
uint32_t record_type
Type of the GNS/DNS record.
#define GNUNET_log(kind,...)
void GNUNET_MQ_send(struct GNUNET_MQ_Handle *mq, struct GNUNET_MQ_Envelope *ev)
Send a message with the given message queue.
Definition: mq.c:355
uint32_t request_id
The operation id fot the zone iteration in the response for the client.
Credential is returned from the idp.
Definition: reclaim.h:164
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◆ handle_credential_iteration_start()

static void handle_credential_iteration_start ( void *  cls,
const struct CredentialIterationStartMessage ais_msg 
)
static

Iterate over zone to get attributes.

Parameters
clsour client
ais_msgthe iteration message to start

Definition at line 1966 of file gnunet-service-reclaim.c.

References ai, Iterator::client, IdpClient::client, cred_iter_cb(), cred_iter_error(), cred_iter_finished(), IdpClient::cred_iter_head, IdpClient::cred_iter_tail, GNUNET_CONTAINER_DLL_insert, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_NAMESTORE_zone_iteration_start(), GNUNET_new, GNUNET_SERVICE_client_continue(), CredentialIterationStartMessage::id, Iterator::identity, CredentialIterationStartMessage::identity, idp, Iterator::ns_it, and Iterator::request_id.

1969 {
1970  struct IdpClient *idp = cls;
1971  struct Iterator *ai;
1972 
1974  "Received CREDENTIAL_ITERATION_START message\n");
1975  ai = GNUNET_new (struct Iterator);
1976  ai->request_id = ntohl (ais_msg->id);
1977  ai->client = idp;
1978  ai->identity = ais_msg->identity;
1979 
1981  ai);
1983  &ai->identity,
1984  &cred_iter_error,
1985  ai,
1986  &cred_iter_cb,
1987  ai,
1989  ai);
1991 }
#define GNUNET_CONTAINER_DLL_insert(head, tail, element)
Insert an element at the head of a DLL.
An idp client.
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)...
An attribute iteration operation.
#define GNUNET_new(type)
Allocate a struct or union of the given type.
static void cred_iter_cb(void *cls, const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone, const char *label, unsigned int rd_count, const struct GNUNET_GNSRECORD_Data *rd)
Got record.
struct IdpClient * client
IDP client which intiated this zone iteration.
static void cred_iter_error(void *cls)
Error iterating over credentials.
struct GNUNET_SERVICE_Client * client
The client.
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
Definition: reclaim.h:254
struct Iterator * cred_iter_head
Head of the DLL of Credential iteration operations in progress initiated by this client.
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Key of the zone we are iterating over.
struct GNUNET_NAMESTORE_ZoneIterator * ns_it
Namestore iterator.
static struct GNUNET_TRANSPORT_AddressIdentifier * ai
Handle to the operation that publishes our address.
static struct GNUNET_RECLAIM_Handle * idp
Identity Provider.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:249
struct Iterator * cred_iter_tail
Tail of the DLL of Credential iteration operations in progress initiated by this client.
#define GNUNET_log(kind,...)
static struct GNUNET_NAMESTORE_Handle * nsh
Namestore handle.
uint32_t request_id
The operation id fot the zone iteration in the response for the client.
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2242
static void cred_iter_finished(void *cls)
Done iterating over credentials.
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◆ handle_credential_iteration_stop()

static void handle_credential_iteration_stop ( void *  cls,
const struct CredentialIterationStopMessage ais_msg 
)
static

Handle iteration stop message from client.

Parameters
clsthe client
ais_msgthe stop message

Definition at line 2001 of file gnunet-service-reclaim.c.

References ai, IdpClient::client, IdpClient::cred_iter_head, IdpClient::cred_iter_tail, GNUNET_break, GNUNET_CONTAINER_DLL_remove, GNUNET_ERROR_TYPE_DEBUG, GNUNET_free, GNUNET_log, GNUNET_SERVICE_client_continue(), GNUNET_SERVICE_client_drop(), CredentialIterationStopMessage::id, idp, Iterator::next, and Iterator::request_id.

2004 {
2005  struct IdpClient *idp = cls;
2006  struct Iterator *ai;
2007  uint32_t rid;
2008 
2010  "Received `%s' message\n",
2011  "CREDENTIAL_ITERATION_STOP");
2012  rid = ntohl (ais_msg->id);
2013  for (ai = idp->cred_iter_head; NULL != ai; ai = ai->next)
2014  if (ai->request_id == rid)
2015  break;
2016  if (NULL == ai)
2017  {
2018  GNUNET_break (0);
2020  return;
2021  }
2023  ai);
2024  GNUNET_free (ai);
2026 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:288
An idp client.
An attribute iteration operation.
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur...
struct GNUNET_SERVICE_Client * client
The client.
struct Iterator * cred_iter_head
Head of the DLL of Credential iteration operations in progress initiated by this client.
void GNUNET_SERVICE_client_drop(struct GNUNET_SERVICE_Client *c)
Ask the server to disconnect from the given client.
Definition: service.c:2323
static struct GNUNET_TRANSPORT_AddressIdentifier * ai
Handle to the operation that publishes our address.
static struct GNUNET_RECLAIM_Handle * idp
Identity Provider.
struct Iterator * cred_iter_tail
Tail of the DLL of Credential iteration operations in progress initiated by this client.
struct Iterator * next
Next element in the DLL.
#define GNUNET_log(kind,...)
uint32_t request_id
The operation id fot the zone iteration in the response for the client.
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2242
#define GNUNET_free(ptr)
Wrapper around free.
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◆ handle_credential_iteration_next()

static void handle_credential_iteration_next ( void *  cls,
const struct CredentialIterationNextMessage ais_msg 
)
static

Client requests next credential from iterator.

Parameters
clsthe client
ais_msgthe message

Definition at line 2036 of file gnunet-service-reclaim.c.

References ai, IdpClient::client, IdpClient::cred_iter_head, GNUNET_break, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_NAMESTORE_zone_iterator_next(), GNUNET_SERVICE_client_continue(), GNUNET_SERVICE_client_drop(), CredentialIterationNextMessage::id, idp, Iterator::next, Iterator::ns_it, and Iterator::request_id.

2039 {
2040  struct IdpClient *idp = cls;
2041  struct Iterator *ai;
2042  uint32_t rid;
2043 
2045  "Received CREDENTIAL_ITERATION_NEXT message\n");
2046  rid = ntohl (ais_msg->id);
2047  for (ai = idp->cred_iter_head; NULL != ai; ai = ai->next)
2048  if (ai->request_id == rid)
2049  break;
2050  if (NULL == ai)
2051  {
2052  GNUNET_break (0);
2054  return;
2055  }
2058 }
An idp client.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:271
An attribute iteration operation.
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...
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur...
struct GNUNET_SERVICE_Client * client
The client.
struct Iterator * cred_iter_head
Head of the DLL of Credential iteration operations in progress initiated by this client.
struct GNUNET_NAMESTORE_ZoneIterator * ns_it
Namestore iterator.
void GNUNET_SERVICE_client_drop(struct GNUNET_SERVICE_Client *c)
Ask the server to disconnect from the given client.
Definition: service.c:2323
static struct GNUNET_TRANSPORT_AddressIdentifier * ai
Handle to the operation that publishes our address.
static struct GNUNET_RECLAIM_Handle * idp
Identity Provider.
struct Iterator * next
Next element in the DLL.
#define GNUNET_log(kind,...)
uint32_t request_id
The operation id fot the zone iteration in the response for the client.
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2242
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◆ ticket_iter_cb()

static void ticket_iter_cb ( void *  cls,
struct GNUNET_RECLAIM_Ticket ticket 
)
static

Got a ticket.

Return to client

Parameters
clsour ticket iterator
ticketthe ticket

Definition at line 2072 of file gnunet-service-reclaim.c.

References TicketIteration::client, env, GNUNET_CONTAINER_DLL_remove, GNUNET_ERROR_TYPE_DEBUG, GNUNET_free, GNUNET_log, GNUNET_MESSAGE_TYPE_RECLAIM_TICKET_RESULT, GNUNET_MQ_msg, GNUNET_MQ_send(), TicketResultMessage::id, IdpClient::mq, TicketIteration::r_id, ticket, TicketResultMessage::ticket, IdpClient::ticket_iter_head, and IdpClient::ticket_iter_tail.

Referenced by handle_ticket_iteration_start().

2073 {
2074  struct TicketIteration *ti = cls;
2075  struct GNUNET_MQ_Envelope *env;
2076  struct TicketResultMessage *trm;
2077 
2079  if (NULL == ticket)
2080  {
2081  /* send empty response to indicate end of list */
2083  ti->client->ticket_iter_tail,
2084  ti);
2085  }
2086  else
2087  {
2088  trm->ticket = *ticket;
2089  }
2090  trm->id = htonl (ti->r_id);
2091  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending TICKET_RESULT message\n");
2092  GNUNET_MQ_send (ti->client->mq, env);
2093  if (NULL == ticket)
2094  GNUNET_free (ti);
2095 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
struct TicketIteration * ticket_iter_tail
Tail of DLL of ticket iteration ops.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:463
Ticket result message.
Definition: reclaim.h:453
struct GNUNET_RECLAIM_Ticket ticket
The new ticket.
Definition: reclaim.h:473
#define GNUNET_MQ_msg(mvar, type)
Allocate a GNUNET_MQ_Envelope.
Definition: gnunet_mq_lib.h:67
uint32_t r_id
The operation id fot the iteration in the response for the client.
struct IdpClient * client
Client which intiated this zone iteration.
struct TicketIteration * ticket_iter_head
Head of DLL of ticket iteration ops.
struct GNUNET_MQ_Handle * mq
Message queue for transmission to client.
static struct GNUNET_RECLAIM_Ticket ticket
Ticket to consume.
struct GNUNET_MQ_Envelope * env
Definition: 005.c:1
A ticket iteration operation.
#define GNUNET_log(kind,...)
#define GNUNET_MESSAGE_TYPE_RECLAIM_TICKET_RESULT
void GNUNET_MQ_send(struct GNUNET_MQ_Handle *mq, struct GNUNET_MQ_Envelope *ev)
Send a message with the given message queue.
Definition: mq.c:355
#define GNUNET_free(ptr)
Wrapper around free.
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◆ handle_ticket_iteration_start()

static void handle_ticket_iteration_start ( void *  cls,
const struct TicketIterationStartMessage tis_msg 
)
static

Client requests a ticket iteration.

Parameters
clsthe client
tis_msgthe iteration request message

Definition at line 2105 of file gnunet-service-reclaim.c.

References TicketIteration::client, IdpClient::client, GNUNET_CONTAINER_DLL_insert, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_new, GNUNET_SERVICE_client_continue(), TicketIterationStartMessage::id, TicketIterationStartMessage::identity, TicketIteration::iter, TicketIteration::r_id, RECLAIM_TICKETS_iteration_start(), ticket_iter_cb(), IdpClient::ticket_iter_head, and IdpClient::ticket_iter_tail.

2108 {
2109  struct IdpClient *client = cls;
2110  struct TicketIteration *ti;
2111 
2113  "Received TICKET_ITERATION_START message\n");
2114  ti = GNUNET_new (struct TicketIteration);
2115  ti->r_id = ntohl (tis_msg->id);
2116  ti->client = client;
2117 
2119  client->ticket_iter_tail,
2120  ti);
2121  ti->iter
2124 }
struct TicketIteration * ticket_iter_tail
Tail of DLL of ticket iteration ops.
#define GNUNET_CONTAINER_DLL_insert(head, tail, element)
Insert an element at the head of a DLL.
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
Definition: reclaim.h:326
An idp client.
struct RECLAIM_TICKETS_Iterator * iter
The ticket iterator.
#define GNUNET_new(type)
Allocate a struct or union of the given type.
uint32_t r_id
The operation id fot the iteration in the response for the client.
struct RECLAIM_TICKETS_Iterator * RECLAIM_TICKETS_iteration_start(const struct GNUNET_CRYPTO_EcdsaPrivateKey *identity, RECLAIM_TICKETS_TicketIter cb, void *cb_cls)
Iterate over all tickets issued by an identity.
struct IdpClient * client
Client which intiated this zone iteration.
struct GNUNET_SERVICE_Client * client
The client.
struct TicketIteration * ticket_iter_head
Head of DLL of ticket iteration ops.
A ticket iteration operation.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:321
#define GNUNET_log(kind,...)
static void ticket_iter_cb(void *cls, struct GNUNET_RECLAIM_Ticket *ticket)
Got a ticket.
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2242
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◆ handle_ticket_iteration_stop()

static void handle_ticket_iteration_stop ( void *  cls,
const struct TicketIterationStopMessage tis_msg 
)
static

Client has had enough tickets.

Parameters
clsthe client
tis_msgthe stop message

Definition at line 2134 of file gnunet-service-reclaim.c.

References TicketIteration::client, IdpClient::client, GNUNET_break, GNUNET_CONTAINER_DLL_remove, GNUNET_ERROR_TYPE_DEBUG, GNUNET_free, GNUNET_log, GNUNET_SERVICE_client_continue(), GNUNET_SERVICE_client_drop(), TicketIterationStopMessage::id, TicketIteration::iter, TicketIteration::next, TicketIteration::r_id, RECLAIM_TICKETS_iteration_stop(), IdpClient::ticket_iter_head, and IdpClient::ticket_iter_tail.

2136 {
2137  struct IdpClient *client = cls;
2138  struct TicketIteration *ti;
2139  uint32_t rid;
2140 
2142  "Received `%s' message\n",
2143  "TICKET_ITERATION_STOP");
2144  rid = ntohl (tis_msg->id);
2145  for (ti = client->ticket_iter_head; NULL != ti; ti = ti->next)
2146  if (ti->r_id == rid)
2147  break;
2148  if (NULL == ti)
2149  {
2150  GNUNET_break (0);
2152  return;
2153  }
2156  client->ticket_iter_tail,
2157  ti);
2158  GNUNET_free (ti);
2160 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
struct TicketIteration * ticket_iter_tail
Tail of DLL of ticket iteration ops.
An idp client.
void RECLAIM_TICKETS_iteration_stop(struct RECLAIM_TICKETS_Iterator *iter)
Stop a running ticket iteration.
struct RECLAIM_TICKETS_Iterator * iter
The ticket iterator.
uint32_t r_id
The operation id fot the iteration in the response for the client.
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur...
struct GNUNET_SERVICE_Client * client
The client.
struct TicketIteration * ticket_iter_head
Head of DLL of ticket iteration ops.
void GNUNET_SERVICE_client_drop(struct GNUNET_SERVICE_Client *c)
Ask the server to disconnect from the given client.
Definition: service.c:2323
struct TicketIteration * next
DLL.
A ticket iteration operation.
#define GNUNET_log(kind,...)
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:360
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2242
#define GNUNET_free(ptr)
Wrapper around free.
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◆ handle_ticket_iteration_next()

static void handle_ticket_iteration_next ( void *  cls,
const struct TicketIterationNextMessage tis_msg 
)
static

Client requests next result.

Parameters
clsthe client
tis_msgthe message

Definition at line 2170 of file gnunet-service-reclaim.c.

References TicketIteration::client, IdpClient::client, GNUNET_break, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_SERVICE_client_continue(), GNUNET_SERVICE_client_drop(), TicketIterationNextMessage::id, TicketIteration::iter, TicketIteration::next, TicketIteration::r_id, RECLAIM_TICKETS_iteration_next(), and IdpClient::ticket_iter_head.

2172 {
2173  struct IdpClient *client = cls;
2174  struct TicketIteration *ti;
2175  uint32_t rid;
2176 
2178  "Received TICKET_ITERATION_NEXT message\n");
2179  rid = ntohl (tis_msg->id);
2180  for (ti = client->ticket_iter_head; NULL != ti; ti = ti->next)
2181  if (ti->r_id == rid)
2182  break;
2183  if (NULL == ti)
2184  {
2185  GNUNET_break (0);
2187  return;
2188  }
2191 }
An idp client.
struct RECLAIM_TICKETS_Iterator * iter
The ticket iterator.
uint32_t r_id
The operation id fot the iteration in the response for the client.
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur...
struct GNUNET_SERVICE_Client * client
The client.
struct TicketIteration * ticket_iter_head
Head of DLL of ticket iteration ops.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:343
void RECLAIM_TICKETS_iteration_next(struct RECLAIM_TICKETS_Iterator *iter)
Continue ticket iteration.
void GNUNET_SERVICE_client_drop(struct GNUNET_SERVICE_Client *c)
Ask the server to disconnect from the given client.
Definition: service.c:2323
struct TicketIteration * next
DLL.
A ticket iteration operation.
#define GNUNET_log(kind,...)
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2242
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◆ run()

static void run ( void *  cls,
const struct GNUNET_CONFIGURATION_Handle c,
struct GNUNET_SERVICE_Handle server 
)
static

Main function that will be run.

Parameters
clsclosure
cthe configuration used
serverthe service handle

Definition at line 2202 of file gnunet-service-reclaim.c.

References do_shutdown(), GNUNET_ERROR_TYPE_ERROR, GNUNET_log, GNUNET_log_strerror, GNUNET_NAMESTORE_connect(), GNUNET_OK, GNUNET_SCHEDULER_add_shutdown(), GNUNET_SCHEDULER_shutdown(), and RECLAIM_TICKETS_init().

Referenced by client_connect_cb().

2205 {
2206  cfg = c;
2207 
2209  {
2211  "Unable to initialize TICKETS subsystem.\n");
2213  return;
2214  }
2215  // Connect to identity and namestore services
2217  if (NULL == nsh)
2218  {
2220  "error connecting to namestore");
2221  }
2222 
2224 }
static const struct GNUNET_CONFIGURATION_Handle * cfg
Our configuration.
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_shutdown(GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run on shutdown, that is when a CTRL-C signal is received, or when GNUNET_SCHEDULER_shutdown() is being invoked.
Definition: scheduler.c:1331
void GNUNET_SCHEDULER_shutdown(void)
Request the shutdown of a scheduler.
Definition: scheduler.c:531
#define GNUNET_log_strerror(level, cmd)
Log an error message at log-level &#39;level&#39; that indicates a failure of the command &#39;cmd&#39; with the mess...
struct GNUNET_NAMESTORE_Handle * GNUNET_NAMESTORE_connect(const struct GNUNET_CONFIGURATION_Handle *cfg)
Connect to the namestore service.
#define GNUNET_log(kind,...)
static struct GNUNET_NAMESTORE_Handle * nsh
Namestore handle.
static void do_shutdown(void *cls)
Shutdown task.
int RECLAIM_TICKETS_init(const struct GNUNET_CONFIGURATION_Handle *c)
Initialize tickets component.
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◆ client_disconnect_cb()

static void client_disconnect_cb ( void *  cls,
struct GNUNET_SERVICE_Client client,
void *  app_ctx 
)
static

Called whenever a client is disconnected.

Parameters
clsclosure
clientidentification of the client
app_ctxclient

Definition at line 2235 of file gnunet-service-reclaim.c.

References cleanup_client(), GNUNET_CONTAINER_DLL_remove, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, and idp.

Referenced by client_connect_cb().

2238 {
2239  struct IdpClient *idp = app_ctx;
2240 
2241  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Client %p disconnected\n", client);
2244  idp);
2245  cleanup_client (idp);
2246 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
An idp client.
static void cleanup_client(struct IdpClient *idp)
Cleanup client.
static struct IdpClient * client_list_head
Client list.
static struct GNUNET_RECLAIM_Handle * idp
Identity Provider.
#define GNUNET_log(kind,...)
static struct IdpClient * client_list_tail
Client list.
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◆ client_connect_cb()

static void* client_connect_cb ( void *  cls,
struct GNUNET_SERVICE_Client client,
struct GNUNET_MQ_Handle mq 
)
static

Add a client to our list of active clients.

Parameters
clsNULL
clientclient to add
mqmessage queue for client
Returns
internal namestore client structure for this client

Definition at line 2258 of file gnunet-service-reclaim.c.

References TicketIteration::client, IdpClient::client, client_disconnect_cb(), GNUNET_CONTAINER_DLL_insert, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_DELETE, GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_ITERATION_NEXT, GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_ITERATION_START, GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_ITERATION_STOP, GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_STORE, GNUNET_MESSAGE_TYPE_RECLAIM_CONSUME_TICKET, GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_DELETE, GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_ITERATION_NEXT, GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_ITERATION_START, GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_ITERATION_STOP, GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_STORE, GNUNET_MESSAGE_TYPE_RECLAIM_ISSUE_TICKET, GNUNET_MESSAGE_TYPE_RECLAIM_REVOKE_TICKET, GNUNET_MESSAGE_TYPE_RECLAIM_TICKET_ITERATION_NEXT, GNUNET_MESSAGE_TYPE_RECLAIM_TICKET_ITERATION_START, GNUNET_MESSAGE_TYPE_RECLAIM_TICKET_ITERATION_STOP, GNUNET_MQ_handler_end, GNUNET_MQ_hd_fixed_size, GNUNET_MQ_hd_var_size, GNUNET_new, GNUNET_SERVICE_MAIN(), GNUNET_SERVICE_OPTION_NONE, idp, iteration_start(), mq, IdpClient::mq, and run().

2261 {
2262  struct IdpClient *idp;
2263 
2264  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Client %p connected\n", client);
2265  idp = GNUNET_new (struct IdpClient);
2266  idp->client = client;
2267  idp->mq = mq;
2270  idp);
2271  return idp;
2272 }
#define GNUNET_CONTAINER_DLL_insert(head, tail, element)
Insert an element at the head of a DLL.
An idp client.
#define GNUNET_new(type)
Allocate a struct or union of the given type.
struct GNUNET_SERVICE_Client * client
The client.
struct GNUNET_MQ_Handle * mq
Message queue for transmission to client.
static struct IdpClient * client_list_head
Client list.
static struct GNUNET_RECLAIM_Handle * idp
Identity Provider.
struct GNUNET_MQ_Handle * mq
Definition: 003.c:5
#define GNUNET_log(kind,...)
static struct IdpClient * client_list_tail
Client list.
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◆ GNUNET_SERVICE_MAIN()

GNUNET_SERVICE_MAIN ( "reclaim"  ,
GNUNET_SERVICE_OPTION_NONE  ,
run,
client_connect_cb,
client_disconnect_cb,
NULL  ,
GNUNET_MQ_hd_var_size(attribute_store_message, GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_STORE, struct AttributeStoreMessage, NULL)  ,
GNUNET_MQ_hd_var_size(credential_store_message, GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_STORE, struct AttributeStoreMessage, NULL)  ,
GNUNET_MQ_hd_var_size(attribute_delete_message, GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_DELETE, struct AttributeDeleteMessage, NULL)  ,
GNUNET_MQ_hd_var_size(credential_delete_message, GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_DELETE, struct AttributeDeleteMessage, NULL)  ,
GNUNET_MQ_hd_fixed_size(iteration_start, GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_ITERATION_START, struct AttributeIterationStartMessage, NULL)  ,
GNUNET_MQ_hd_fixed_size(iteration_next, GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_ITERATION_NEXT, struct AttributeIterationNextMessage, NULL)  ,
GNUNET_MQ_hd_fixed_size(iteration_stop, GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_ITERATION_STOP, struct AttributeIterationStopMessage, NULL)  ,
GNUNET_MQ_hd_fixed_size(credential_iteration_start, GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_ITERATION_START, struct CredentialIterationStartMessage, NULL)  ,
GNUNET_MQ_hd_fixed_size(credential_iteration_next, GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_ITERATION_NEXT, struct CredentialIterationNextMessage, NULL)  ,
GNUNET_MQ_hd_fixed_size(credential_iteration_stop, GNUNET_MESSAGE_TYPE_RECLAIM_CREDENTIAL_ITERATION_STOP, struct CredentialIterationStopMessage, NULL)  ,
GNUNET_MQ_hd_var_size(issue_ticket_message, GNUNET_MESSAGE_TYPE_RECLAIM_ISSUE_TICKET, struct IssueTicketMessage, NULL)  ,
GNUNET_MQ_hd_var_size(consume_ticket_message, GNUNET_MESSAGE_TYPE_RECLAIM_CONSUME_TICKET, struct ConsumeTicketMessage, NULL)  ,
GNUNET_MQ_hd_fixed_size(ticket_iteration_start, GNUNET_MESSAGE_TYPE_RECLAIM_TICKET_ITERATION_START, struct TicketIterationStartMessage, NULL)  ,
GNUNET_MQ_hd_fixed_size(ticket_iteration_next, GNUNET_MESSAGE_TYPE_RECLAIM_TICKET_ITERATION_NEXT, struct TicketIterationNextMessage, NULL)  ,
GNUNET_MQ_hd_fixed_size(ticket_iteration_stop, GNUNET_MESSAGE_TYPE_RECLAIM_TICKET_ITERATION_STOP, struct TicketIterationStopMessage, NULL)  ,
GNUNET_MQ_hd_var_size(revoke_ticket_message, GNUNET_MESSAGE_TYPE_RECLAIM_REVOKE_TICKET, struct RevokeTicketMessage, NULL)  ,
GNUNET_MQ_handler_end()   
)

Define "main" method using service macro.

Referenced by client_connect_cb().

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Variable Documentation

◆ nsh

struct GNUNET_NAMESTORE_Handle* nsh
static

Namestore handle.

Definition at line 41 of file gnunet-service-reclaim.c.

◆ timeout_task

struct GNUNET_SCHEDULER_Task* timeout_task
static

Timeout task.

Definition at line 46 of file gnunet-service-reclaim.c.

◆ cfg

const struct GNUNET_CONFIGURATION_Handle* cfg
static

Our configuration.

Definition at line 51 of file gnunet-service-reclaim.c.

◆ client_list_head

struct IdpClient* client_list_head = NULL
static

Client list.

Definition at line 465 of file gnunet-service-reclaim.c.

◆ client_list_tail

struct IdpClient* client_list_tail = NULL
static

Client list.

Definition at line 470 of file gnunet-service-reclaim.c.