GNUnet  0.10.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_attribute_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  AttributeIterator
 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, 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, 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_ATTRIBUTE_ClaimList *attrs, 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 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 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 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(attribute_delete_message, GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_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_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 450 of file gnunet-service-reclaim.c.

References AttributeDeleteHandle::claim, 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(), ticket_iter_err(), and update_tickets().

451 {
452  struct TicketRecordsEntry *le;
453  if (NULL != adh->ns_it)
455  if (NULL != adh->ns_qe)
457  if (NULL != adh->label)
458  GNUNET_free (adh->label);
459  if (NULL != adh->claim)
460  GNUNET_free (adh->claim);
461  while (NULL != (le = adh->tickets_to_update_head)) {
464  le);
465  if (NULL != le->label)
466  GNUNET_free (le->label);
467  if (NULL != le->data)
468  GNUNET_free (le->data);
469  GNUNET_free (le);
470  }
471  GNUNET_free (adh);
472 }
#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 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 * 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 481 of file gnunet-service-reclaim.c.

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

Referenced by attr_store_cont(), and cleanup_client().

482 {
483  if (NULL != ash->ns_qe)
485  if (NULL != ash->claim)
486  GNUNET_free (ash->claim);
487  GNUNET_free (ash);
488 }
void GNUNET_NAMESTORE_cancel(struct GNUNET_NAMESTORE_QueueEntry *qe)
Cancel a namestore operation.
struct GNUNET_RECLAIM_ATTRIBUTE_Claim * claim
The attribute to store.
struct GNUNET_NAMESTORE_QueueEntry * ns_qe
QueueEntry.
#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 497 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::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().

498 {
499  struct AttributeIterator *ai;
500  struct TicketIteration *ti;
501  struct TicketRevocationOperation *rop;
502  struct TicketIssueOperation *iss;
503  struct ConsumeTicketOperation *ct;
504  struct AttributeStoreHandle *as;
505  struct AttributeDeleteHandle *adh;
506 
507  while (NULL != (iss = idp->issue_op_head)) {
509  GNUNET_free (iss);
510  }
511  while (NULL != (ct = idp->consume_op_head)) {
513  idp->consume_op_tail,
514  ct);
515  if (NULL != ct->ch)
517  GNUNET_free (ct);
518  }
519  while (NULL != (as = idp->store_op_head)) {
521  cleanup_as_handle (as);
522  }
523  while (NULL != (adh = idp->delete_op_head)) {
525  cleanup_adh (adh);
526  }
527 
528  while (NULL != (ai = idp->attr_iter_head)) {
530  GNUNET_free (ai);
531  }
532  while (NULL != (rop = idp->revoke_op_head)) {
534  if (NULL != rop->rh)
536  GNUNET_free (rop);
537  }
538  while (NULL != (ti = idp->ticket_iter_head)) {
540  idp->ticket_iter_tail,
541  ti);
542  if (NULL != ti->iter)
544  GNUNET_free (ti);
545  }
546  GNUNET_free (idp);
547 }
#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.
struct AttributeIterator * attr_iter_tail
Tail of the DLL of Attribute iteration operations in progress initiated by this client.
Ticket issue operation handle.
void RECLAIM_TICKETS_iteration_stop(struct RECLAIM_TICKETS_Iterator *iter)
struct RECLAIM_TICKETS_Iterator * iter
The ticket iterator.
struct TicketRevocationOperation * revoke_op_tail
Tail of DLL of ticket revocation ops.
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.
void RECLAIM_TICKETS_consume_cancel(struct RECLAIM_TICKETS_ConsumeHandle *cth)
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)
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.
struct AttributeIterator * attr_iter_head
Head of the DLL of Attribute iteration operations in progress initiated by this client.
static void cleanup_adh(struct AttributeDeleteHandle *adh)
Cleanup attribute delete handle.
An attribute iteration operation.
#define GNUNET_free(ptr)
Wrapper around free.
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◆ cleanup()

static void cleanup ( )
static

Cleanup task.

Definition at line 554 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().

555 {
556  struct IdpClient *cl;
557  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Cleaning up\n");
558 
559  while (NULL != (cl = client_list_head))
560  {
563  cl);
564  cleanup_client (cl);
565  }
567  if (NULL != timeout_task)
569  if (NULL != nsh)
571 }
#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)
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:965
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◆ do_shutdown()

static void do_shutdown ( void *  cls)
static

Shutdown task.

Parameters
clsNULL

Definition at line 580 of file gnunet-service-reclaim.c.

References cleanup(), GNUNET_ERROR_TYPE_INFO, and GNUNET_log.

Referenced by attr_store_cont(), and run().

581 {
582  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down...\n");
583  cleanup ();
584 }
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,
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 596 of file gnunet-service-reclaim.c.

References env, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_MESSAGE_TYPE_RECLAIM_TICKET_RESULT, GNUNET_MQ_msg, GNUNET_MQ_send(), TicketResultMessage::id, IdpClient::mq, ticket, and TicketResultMessage::ticket.

Referenced by issue_ticket_result_cb().

600 {
601  struct TicketResultMessage *irm;
602  struct GNUNET_MQ_Envelope *env;
603 
604  env = GNUNET_MQ_msg (irm,
606  if (NULL != ticket) {
607  irm->ticket = *ticket;
608  }
609  // TODO add success member
610  irm->id = htonl (r_id);
611  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending TICKET_RESULT message\n");
612  GNUNET_MQ_send (client->mq, env);
613 }
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:367
Ticket result message.
Definition: reclaim.h:357
struct GNUNET_RECLAIM_Ticket ticket
The new ticket.
Definition: reclaim.h:372
#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.
static struct GNUNET_RECLAIM_Ticket ticket
Ticket to consume.
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:353
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◆ issue_ticket_result_cb()

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

Issue ticket result.

Parameters
clsout ticket issue operation handle
ticketthe issued ticket
successissue success status (GNUNET_OK if successful)
emsgerror message (NULL of success is GNUNET_OK)

Definition at line 625 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().

629 {
630  struct TicketIssueOperation *tio = cls;
631  if (GNUNET_OK != success) {
632  send_ticket_result (tio->client, tio->r_id, NULL, GNUNET_SYSERR);
634  tio->client->issue_op_tail,
635  tio);
636  GNUNET_free (tio);
637  GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Error issuing ticket: %s\n", emsg);
638  return;
639  }
640  send_ticket_result (tio->client, tio->r_id, ticket, GNUNET_SYSERR);
642  tio->client->issue_op_tail,
643  tio);
644  GNUNET_free (tio);
645 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
static struct GNUNET_CADET_ListTunnels * tio
Active tunnel listing operation.
Definition: gnunet-cadet.c:112
struct IdpClient * client
Client connection.
Ticket issue operation handle.
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:78
struct TicketIssueOperation * issue_op_head
Head of DLL of ticket issue ops.
uint32_t r_id
request id
#define GNUNET_SYSERR
Definition: gnunet_common.h:79
struct TicketIssueOperation * issue_op_tail
Tail of DLL of ticket issue ops.
#define GNUNET_log(kind,...)
static void send_ticket_result(const struct IdpClient *client, uint32_t r_id, const struct GNUNET_RECLAIM_Ticket *ticket, uint32_t success)
Sends a ticket result message to the client.
#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 656 of file gnunet-service-reclaim.c.

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

657 {
658  uint16_t size;
659 
660  size = ntohs (im->header.size);
661  if (size <= sizeof (struct IssueTicketMessage)) {
662  GNUNET_break (0);
663  return GNUNET_SYSERR;
664  }
665  return GNUNET_OK;
666 }
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:78
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:276
Ticket issue message.
Definition: reclaim.h:271
#define GNUNET_SYSERR
Definition: gnunet_common.h:79
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 676 of file gnunet-service-reclaim.c.

References IssueTicketMessage::attr_len, 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(), IdpClient::issue_op_head, IdpClient::issue_op_tail, issue_ticket_result_cb(), TicketIssueOperation::r_id, RECLAIM_TICKETS_issue(), and tio.

677 {
678  struct TicketIssueOperation *tio;
679  struct IdpClient *idp = cls;
681  size_t attrs_len;
682 
683  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received ISSUE_TICKET message\n");
684  tio = GNUNET_new (struct TicketIssueOperation);
685  attrs_len = ntohs (im->attr_len);
686  attrs = GNUNET_RECLAIM_ATTRIBUTE_list_deserialize ((char *)&im[1], attrs_len);
687  tio->r_id = ntohl (im->id);
688  tio->client = idp;
691  attrs,
692  &im->rp,
694  tio);
697 }
struct GNUNET_CRYPTO_EcdsaPublicKey rp
Requesting party.
Definition: reclaim.h:291
static struct GNUNET_CADET_ListTunnels * tio
Active tunnel listing operation.
Definition: gnunet-cadet.c:112
struct IdpClient * client
Client connection.
#define GNUNET_CONTAINER_DLL_insert(head, tail, element)
Insert an element at the head of a DLL.
An idp client.
Ticket issue operation handle.
#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
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
Definition: reclaim.h:286
struct GNUNET_SERVICE_Client * client
The client.
void GNUNET_RECLAIM_ATTRIBUTE_list_destroy(struct GNUNET_RECLAIM_ATTRIBUTE_ClaimList *attrs)
Destroy claim list.
static void issue_ticket_result_cb(void *cls, struct GNUNET_RECLAIM_Ticket *ticket, int32_t success, const char *emsg)
Issue ticket result.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:281
uint32_t attr_len
length of serialized attribute list
Definition: reclaim.h:296
void RECLAIM_TICKETS_issue(const struct GNUNET_CRYPTO_EcdsaPrivateKey *identity, const struct GNUNET_RECLAIM_ATTRIBUTE_ClaimList *attrs, const struct GNUNET_CRYPTO_EcdsaPublicKey *audience, RECLAIM_TICKETS_TicketResult cb, void *cb_cls)
struct TicketIssueOperation * issue_op_tail
Tail of DLL of ticket issue ops.
A list of GNUNET_RECLAIM_ATTRIBUTE_Claim structures.
#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:2533
struct GNUNET_RECLAIM_ATTRIBUTE_ClaimList * GNUNET_RECLAIM_ATTRIBUTE_list_deserialize(const char *data, size_t data_size)
Deserialize an attribute list.
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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 712 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().

713 {
714  struct TicketRevocationOperation *rop = cls;
715  struct GNUNET_MQ_Envelope *env;
716  struct RevokeTicketResultMessage *trm;
717 
718  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending REVOKE_TICKET_RESULT message\n");
719  rop->rh = NULL;
721  trm->id = htonl (rop->r_id);
722  trm->success = htonl (success);
723  GNUNET_MQ_send (rop->client->mq, env);
725  rop->client->revoke_op_tail,
726  rop);
727  GNUNET_free (rop);
728 }
#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:335
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:345
#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:353
uint32_t success
Revocation result.
Definition: reclaim.h:350
#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 739 of file gnunet-service-reclaim.c.

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

740 {
741  uint16_t size;
742 
743  size = ntohs (im->header.size);
744  if (size != sizeof (struct RevokeTicketMessage)) {
745  GNUNET_break (0);
746  return GNUNET_SYSERR;
747  }
748  return GNUNET_OK;
749 }
struct GNUNET_MessageHeader header
Type will be GNUNET_MESSAGE_TYPE_RECLAIM_REVOKE_TICKET.
Definition: reclaim.h:309
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:78
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...
#define GNUNET_SYSERR
Definition: gnunet_common.h:79
static unsigned int size
Size of the "table".
Definition: peer.c:67
Ticket revoke message.
Definition: reclaim.h:304

◆ 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 759 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, TicketRevocationOperation::r_id, RECLAIM_TICKETS_revoke(), IdpClient::revoke_op_head, IdpClient::revoke_op_tail, revoke_result_cb(), TicketRevocationOperation::rh, and RevokeTicketMessage::ticket.

760 {
761  struct TicketRevocationOperation *rop;
762  struct IdpClient *idp = cls;
763 
764  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received REVOKE_TICKET message\n");
765  rop = GNUNET_new (struct TicketRevocationOperation);
766  rop->r_id = ntohl (rm->id);
767  rop->client = idp;
769  rop->rh
772 }
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
Definition: reclaim.h:319
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:314
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:329
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)
#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:2533
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◆ consume_result_cb()

static void consume_result_cb ( void *  cls,
const struct GNUNET_CRYPTO_EcdsaPublicKey identity,
const struct GNUNET_RECLAIM_ATTRIBUTE_ClaimList attrs,
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 785 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(), ConsumeTicketResultMessage::id, identity, ConsumeTicketResultMessage::identity, IdpClient::mq, ConsumeTicketOperation::r_id, and ConsumeTicketResultMessage::result.

Referenced by handle_consume_ticket_message().

790 {
791  struct ConsumeTicketOperation *cop = cls;
792  struct ConsumeTicketResultMessage *crm;
793  struct GNUNET_MQ_Envelope *env;
794  char *data_tmp;
795  size_t attrs_len;
796  if (GNUNET_OK != success) {
797  GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Error consuming ticket: %s\n", emsg);
798  }
800  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending CONSUME_TICKET_RESULT message\n");
801  env = GNUNET_MQ_msg_extra (crm,
802  attrs_len,
804  crm->id = htonl (cop->r_id);
805  crm->attrs_len = htons (attrs_len);
806  crm->identity = *identity;
807  crm->result = htonl (success);
808  data_tmp = (char *)&crm[1];
809  GNUNET_RECLAIM_ATTRIBUTE_list_serialize (attrs, data_tmp);
810  GNUNET_MQ_send (cop->client->mq, env);
812  cop->client->consume_op_tail,
813  cop);
814  GNUNET_free (cop);
815 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
Attribute list is returned from the idp.
Definition: reclaim.h:404
#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:414
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:78
uint32_t result
Result.
Definition: reclaim.h:419
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
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.
struct GNUNET_MQ_Envelope * env
Definition: 005.c:1
struct ConsumeTicketOperation * consume_op_tail
Tail of DLL of ticket consume ops.
struct GNUNET_CRYPTO_EcdsaPublicKey identity
The public key of the identity.
Definition: reclaim.h:434
uint16_t attrs_len
Length of serialized attribute data.
Definition: reclaim.h:424
#define GNUNET_log(kind,...)
Handle for ticket consume request.
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:353
size_t GNUNET_RECLAIM_ATTRIBUTE_list_serialize_get_size(const struct GNUNET_RECLAIM_ATTRIBUTE_ClaimList *attrs)
Get required size for serialization buffer.
size_t GNUNET_RECLAIM_ATTRIBUTE_list_serialize(const struct GNUNET_RECLAIM_ATTRIBUTE_ClaimList *attrs, char *result)
Serialize an attribute 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 825 of file gnunet-service-reclaim.c.

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

826 {
827  uint16_t size;
828 
829  size = ntohs (cm->header.size);
830  if (size != sizeof (struct ConsumeTicketMessage)) {
831  GNUNET_break (0);
832  return GNUNET_SYSERR;
833  }
834  return GNUNET_OK;
835 }
Ticket consume message.
Definition: reclaim.h:378
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:78
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...
#define GNUNET_SYSERR
Definition: gnunet_common.h:79
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:383

◆ 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 845 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, ConsumeTicketOperation::r_id, RECLAIM_TICKETS_consume(), and ConsumeTicketMessage::ticket.

846 {
847  struct ConsumeTicketOperation *cop;
848  struct IdpClient *idp = cls;
849 
850  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received CONSUME_TICKET message\n");
851  cop = GNUNET_new (struct ConsumeTicketOperation);
852  cop->r_id = ntohl (cm->id);
853  cop->client = idp;
854  cop->ch
858 }
#define GNUNET_CONTAINER_DLL_insert(head, tail, element)
Insert an element at the head of a DLL.
static void consume_result_cb(void *cls, const struct GNUNET_CRYPTO_EcdsaPublicKey *identity, const struct GNUNET_RECLAIM_ATTRIBUTE_ClaimList *attrs, int32_t success, const char *emsg)
Handle a ticket consume result.
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.
struct GNUNET_SERVICE_Client * client
The client.
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
Definition: reclaim.h:393
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:398
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)
#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:2533
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:388
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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 873 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().

874 {
875  struct AttributeStoreHandle *ash = cls;
876  struct GNUNET_MQ_Envelope *env;
877  struct SuccessResultMessage *acr_msg;
878 
879  ash->ns_qe = NULL;
881  ash->client->store_op_tail,
882  ash);
883 
884  if (GNUNET_SYSERR == success) {
886  "Failed to store attribute %s\n",
887  emsg);
888  cleanup_as_handle (ash);
890  return;
891  }
892 
893  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending SUCCESS_RESPONSE message\n");
895  acr_msg->id = htonl (ash->r_id);
896  acr_msg->op_result = htonl (GNUNET_OK);
897  GNUNET_MQ_send (ash->client->mq, env);
898  cleanup_as_handle (ash);
899 }
#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
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:78
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:1273
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
#define GNUNET_SYSERR
Definition: gnunet_common.h:79
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:353
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 908 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_CRYPTO_QUALITY_STRONG, GNUNET_CRYPTO_random_u64(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_free, GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION, GNUNET_GNSRECORD_TYPE_RECLAIM_ATTR, GNUNET_log, GNUNET_malloc, GNUNET_NAMESTORE_records_store(), GNUNET_RECLAIM_ATTRIBUTE_serialize(), GNUNET_RECLAIM_ATTRIBUTE_serialize_get_size(), GNUNET_STRINGS_data_to_string_alloc(), GNUNET_RECLAIM_ATTRIBUTE_Claim::id, AttributeStoreHandle::identity, AttributeStoreHandle::ns_qe, GNUNET_GNSRECORD_Data::record_type, and GNUNET_TIME_Relative::rel_value_us.

Referenced by handle_attribute_store_message().

909 {
910  struct AttributeStoreHandle *ash = cls;
911  struct GNUNET_GNSRECORD_Data rd[1];
912  char *buf;
913  char *label;
914  size_t buf_size;
915 
916  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Storing attribute\n");
918  buf = GNUNET_malloc (buf_size);
919  // Give the ash a new id if unset
920  if (0 == ash->claim->id)
921  ash->claim->id
924  label
925  = GNUNET_STRINGS_data_to_string_alloc (&ash->claim->id, sizeof (uint64_t));
926  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Encrypting with label %s\n", label);
927 
928  rd[0].data_size = buf_size;
929  rd[0].data = buf;
930  rd[0].record_type = GNUNET_GNSRECORD_TYPE_RECLAIM_ATTR;
932  rd[0].expiration_time = ash->exp.rel_value_us;
934  &ash->identity,
935  label,
936  1,
937  rd,
939  ash);
940  GNUNET_free (buf);
941  GNUNET_free (label);
942 }
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
uint64_t rel_value_us
The actual value.
uint64_t GNUNET_CRYPTO_random_u64(enum GNUNET_CRYPTO_Quality mode, uint64_t max)
Random on unsigned 64-bit values.
#define GNUNET_GNSRECORD_TYPE_RECLAIM_ATTR
Record type for identity attributes (of RECLAIM).
static void attr_store_cont(void *cls, int32_t success, const char *emsg)
Attribute store result handler.
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.
struct GNUNET_RECLAIM_ATTRIBUTE_Claim * claim
The attribute to store.
Handle for attribute store request.
static char buf[2048]
size_t GNUNET_RECLAIM_ATTRIBUTE_serialize_get_size(const struct GNUNET_RECLAIM_ATTRIBUTE_Claim *attr)
Get required size for serialization buffer.
#define GNUNET_log(kind,...)
static struct GNUNET_NAMESTORE_Handle * nsh
Namestore handle.
size_t GNUNET_RECLAIM_ATTRIBUTE_serialize(const struct GNUNET_RECLAIM_ATTRIBUTE_Claim *attr, char *result)
Serialize an attribute.
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:988
This flag is currently unused; former RF_PENDING flag.
#define GNUNET_malloc(size)
Wrapper around malloc.
#define GNUNET_free(ptr)
Wrapper around free.
High-quality operations are desired.
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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 952 of file gnunet-service-reclaim.c.

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

954 {
955  uint16_t size;
956 
957  size = ntohs (sam->header.size);
958  if (size <= sizeof (struct AttributeStoreMessage)) {
959  GNUNET_break (0);
960  return GNUNET_SYSERR;
961  }
962  return GNUNET_OK;
963 }
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:78
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
#define GNUNET_SYSERR
Definition: gnunet_common.h:79
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 973 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, AttributeStoreHandle::r_id, GNUNET_TIME_Relative::rel_value_us, IdpClient::store_op_head, and IdpClient::store_op_tail.

975 {
976  struct AttributeStoreHandle *ash;
977  struct IdpClient *idp = cls;
978  size_t data_len;
979  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received ATTRIBUTE_STORE message\n");
980 
981  data_len = ntohs (sam->attr_len);
982 
983  ash = GNUNET_new (struct AttributeStoreHandle);
984  ash->claim = GNUNET_RECLAIM_ATTRIBUTE_deserialize ((char *)&sam[1], data_len);
985 
986  ash->r_id = ntohl (sam->id);
987  ash->identity = sam->identity;
988  ash->exp.rel_value_us = GNUNET_ntohll (sam->exp);
990 
992  ash->client = idp;
995 }
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
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_RECLAIM_ATTRIBUTE_Claim * claim
The attribute to store.
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_now(GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run as soon as possible.
Definition: scheduler.c:1273
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:241
#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:2533
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:50
struct GNUNET_RECLAIM_ATTRIBUTE_Claim * GNUNET_RECLAIM_ATTRIBUTE_deserialize(const char *data, size_t data_size)
Deserialize an attribute.
uint64_t GNUNET_ntohll(uint64_t n)
Convert unsigned 64-bit integer to host byte order.
Definition: common_endian.c:48
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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 1005 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(), ticket_iter_err(), and update_tickets().

1006 {
1007  struct GNUNET_MQ_Envelope *env;
1008  struct SuccessResultMessage *acr_msg;
1009 
1011  adh->client->delete_op_tail,
1012  adh);
1013 
1014  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending SUCCESS_RESPONSE message\n");
1016  acr_msg->id = htonl (adh->r_id);
1017  acr_msg->op_result = htonl (success);
1018  GNUNET_MQ_send (adh->client->mq, env);
1019 }
#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:353
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 1033 of file gnunet-service-reclaim.c.

References AttributeDeleteHandle::claim, 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_ATTR_REF, GNUNET_log, GNUNET_malloc, GNUNET_NAMESTORE_zone_iterator_next(), GNUNET_new, GNUNET_NO, GNUNET_strdup, GNUNET_YES, GNUNET_RECLAIM_ATTRIBUTE_Claim::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().

1038 {
1039  struct AttributeDeleteHandle *adh = cls;
1040  struct TicketRecordsEntry *le;
1041  int has_changed = GNUNET_NO;
1042 
1043  for (int i = 0; i < rd_count; i++) {
1044  if (GNUNET_GNSRECORD_TYPE_RECLAIM_ATTR_REF != rd[i].record_type)
1045  continue;
1046  if (0 != memcmp (rd[i].data, &adh->claim->id, sizeof (uint64_t)))
1047  continue;
1049  "Attribute to delete found (%s)\n",
1050  adh->label);
1051  has_changed = GNUNET_YES;
1052  break;
1053  }
1054  if (GNUNET_YES == has_changed) {
1055  le = GNUNET_new (struct TicketRecordsEntry);
1056  le->data_size = GNUNET_GNSRECORD_records_get_size (rd_count, rd);
1057  le->data = GNUNET_malloc (le->data_size);
1058  le->rd_count = rd_count;
1059  le->label = GNUNET_strdup (label);
1060  GNUNET_GNSRECORD_records_serialize (rd_count, rd, le->data_size, le->data);
1063  le);
1064  }
1066 }
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.
#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_GNSRECORD_TYPE_RECLAIM_ATTR_REF
Record type for reclaim records.
#define GNUNET_NO
Definition: gnunet_common.h:81
#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.
unsigned int rd_count
Record count.
struct TicketRecordsEntry * tickets_to_update_head
Tickets to update.
char * label
Attribute label.
#define GNUNET_log(kind,...)
#define GNUNET_YES
Definition: gnunet_common.h:80
struct GNUNET_RECLAIM_ATTRIBUTE_Claim * claim
The attribute to delete.
uint32_t data
The data value.
#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 1101 of file gnunet-service-reclaim.c.

References AttributeDeleteHandle::claim, cleanup_adh(), 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_ATTR_REF, GNUNET_log, GNUNET_NAMESTORE_records_store(), GNUNET_OK, GNUNET_SYSERR, GNUNET_RECLAIM_ATTRIBUTE_Claim::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().

1102 {
1103  struct AttributeDeleteHandle *adh = cls;
1104  struct TicketRecordsEntry *le;
1105  if (NULL == adh->tickets_to_update_head) {
1107  "Finished updatding tickets, success\n");
1109  cleanup_adh (adh);
1110  return;
1111  }
1113  "Updating %s\n",
1115  le = adh->tickets_to_update_head;
1118  le);
1119  struct GNUNET_GNSRECORD_Data rd[le->rd_count];
1120  struct GNUNET_GNSRECORD_Data rd_new[le->rd_count - 1];
1122  le->data,
1123  le->rd_count,
1124  rd))
1125  {
1127  "Unable to deserialize record data!\n");
1129  cleanup_adh (adh);
1130  return;
1131  }
1132  int j = 0;
1133  for (int i = 0; i < le->rd_count; i++) {
1135  && (0 == memcmp (rd[i].data, &adh->claim->id, sizeof (uint64_t))))
1136  continue;
1137  rd_new[j] = rd[i];
1138  j++;
1139  }
1141  &adh->identity,
1142  le->label,
1143  j,
1144  rd_new,
1145  &ticket_updated,
1146  adh);
1147  GNUNET_free (le->label);
1148  GNUNET_free (le->data);
1149  GNUNET_free (le);
1150 }
#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.
#define GNUNET_GNSRECORD_TYPE_RECLAIM_ATTR_REF
Record type for reclaim records.
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:78
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.
unsigned int rd_count
Record count.
struct TicketRecordsEntry * tickets_to_update_head
Tickets to update.
#define GNUNET_SYSERR
Definition: gnunet_common.h:79
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_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.
struct GNUNET_RECLAIM_ATTRIBUTE_Claim * claim
The attribute to delete.
uint32_t data
The data value.
#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 1085 of file gnunet-service-reclaim.c.

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

Referenced by update_tickets().

1086 {
1087  struct AttributeDeleteHandle *adh = cls;
1088  adh->ns_qe = NULL;
1090 }
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:1273
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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 1159 of file gnunet-service-reclaim.c.

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

Referenced by start_ticket_update().

1160 {
1161  struct AttributeDeleteHandle *adh = cls;
1162  adh->ns_it = NULL;
1164 }
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:1273
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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 1173 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().

1174 {
1175  struct AttributeDeleteHandle *adh = cls;
1176  adh->ns_it = NULL;
1178  "Namestore error on delete %s\n",
1179  adh->label);
1181  cleanup_adh (adh);
1182 }
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_SYSERR
Definition: gnunet_common.h:79
#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 1192 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().

1193 {
1194  struct AttributeDeleteHandle *adh = cls;
1196  &adh->identity,
1197  &ticket_iter_err,
1198  adh,
1199  &ticket_iter,
1200  adh,
1201  &ticket_iter_fin,
1202  adh);
1203 }
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 1214 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().

1215 {
1216  struct AttributeDeleteHandle *adh = cls;
1217  adh->ns_qe = NULL;
1218  if (GNUNET_SYSERR == success) {
1220  "Error deleting attribute %s\n",
1221  adh->label);
1223  cleanup_adh (adh);
1224  return;
1225  }
1226  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Updating tickets...\n");
1228 }
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:1273
static void start_ticket_update(void *cls)
Start processing tickets which may still contain reference to deleted attribute.
char * label
Attribute label.
#define GNUNET_SYSERR
Definition: gnunet_common.h:79
#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 1238 of file gnunet-service-reclaim.c.

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

1240 {
1241  uint16_t size;
1242 
1243  size = ntohs (dam->header.size);
1244  if (size <= sizeof (struct AttributeDeleteMessage)) {
1245  GNUNET_break (0);
1246  return GNUNET_SYSERR;
1247  }
1248  return GNUNET_OK;
1249 }
Use to delete an identity attribute.
Definition: reclaim.h:74
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:78
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
#define GNUNET_SYSERR
Definition: gnunet_common.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 1259 of file gnunet-service-reclaim.c.

References attr_delete_cont(), AttributeDeleteMessage::attr_len, AttributeDeleteHandle::claim, IdpClient::client, AttributeDeleteHandle::client, 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_Claim::id, AttributeDeleteHandle::identity, AttributeDeleteHandle::label, AttributeDeleteHandle::ns_qe, and AttributeDeleteHandle::r_id.

1261 {
1262  struct AttributeDeleteHandle *adh;
1263  struct IdpClient *idp = cls;
1264  size_t data_len;
1265  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received ATTRIBUTE_DELETE message\n");
1266 
1267  data_len = ntohs (dam->attr_len);
1268 
1269  adh = GNUNET_new (struct AttributeDeleteHandle);
1270  adh->claim = GNUNET_RECLAIM_ATTRIBUTE_deserialize ((char *)&dam[1], data_len);
1271 
1272  adh->r_id = ntohl (dam->id);
1273  adh->identity = dam->identity;
1274  adh->label
1275  = GNUNET_STRINGS_data_to_string_alloc (&adh->claim->id, sizeof (uint64_t));
1277  adh->client = idp;
1280  &adh->identity,
1281  adh->label,
1282  0,
1283  NULL,
1285  adh);
1286 }
Handle for attribute deletion request.
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.
char * label
Attribute label.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:84
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:988
struct GNUNET_RECLAIM_ATTRIBUTE_Claim * 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:2533
struct GNUNET_RECLAIM_ATTRIBUTE_Claim * GNUNET_RECLAIM_ATTRIBUTE_deserialize(const char *data, size_t data_size)
Deserialize an attribute.
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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 1300 of file gnunet-service-reclaim.c.

References ai, IdpClient::attr_iter_head, IdpClient::attr_iter_tail, AttributeResultMessage::attr_len, AttributeIterator::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 AttributeIterator::request_id.

Referenced by attr_iter_error(), and handle_iteration_start().

1301 {
1302  struct AttributeIterator *ai = cls;
1303  struct GNUNET_MQ_Envelope *env;
1304  struct AttributeResultMessage *arm;
1305 
1306  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending ATTRIBUTE_RESULT message\n");
1308  arm->id = htonl (ai->request_id);
1309  arm->attr_len = htons (0);
1310  GNUNET_MQ_send (ai->client->mq, env);
1312  ai->client->attr_iter_tail,
1313  ai);
1314  GNUNET_free (ai);
1315 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
struct AttributeIterator * attr_iter_tail
Tail of the DLL of Attribute iteration operations in progress initiated by this client.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:134
#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.
#define GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_RESULT
uint32_t request_id
The operation id fot the zone iteration in the response for the client.
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,...)
struct AttributeIterator * attr_iter_head
Head of the DLL of Attribute iteration operations in progress initiated by this client.
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:353
struct IdpClient * client
IDP client which intiated this zone iteration.
An attribute iteration operation.
#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 1323 of file gnunet-service-reclaim.c.

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

Referenced by handle_iteration_start().

1324 {
1325  struct AttributeIterator *ai = cls;
1326 
1327  GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to iterate over attributes\n");
1328  attr_iter_finished (ai);
1329 }
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.
An attribute iteration operation.
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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 1342 of file gnunet-service-reclaim.c.

References ai, AttributeResultMessage::attr_len, AttributeIterator::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_ATTR, 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, AttributeIterator::ns_it, GNUNET_GNSRECORD_Data::record_type, and AttributeIterator::request_id.

Referenced by handle_iteration_start().

1347 {
1348  struct AttributeIterator *ai = cls;
1349  struct AttributeResultMessage *arm;
1350  struct GNUNET_MQ_Envelope *env;
1351  char *data_tmp;
1352 
1353  if (rd_count != 1) {
1355  return;
1356  }
1357 
1360  return;
1361  }
1362  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found attribute under: %s\n", label);
1363  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending ATTRIBUTE_RESULT message\n");
1364  env = GNUNET_MQ_msg_extra (arm,
1365  rd->data_size,
1367  arm->id = htonl (ai->request_id);
1368  arm->attr_len = htons (rd->data_size);
1370  data_tmp = (char *)&arm[1];
1371  GNUNET_memcpy (data_tmp, rd->data, rd->data_size);
1372  GNUNET_MQ_send (ai->client->mq, env);
1373 }
#define GNUNET_GNSRECORD_TYPE_RECLAIM_ATTR
Record type for identity attributes (of RECLAIM).
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:134
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 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
#define GNUNET_memcpy(dst, src, n)
const void * data
Binary value stored in the DNS record.
#define GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_RESULT
uint32_t request_id
The operation id fot the zone iteration in the response for the client.
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:241
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:149
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:353
struct IdpClient * client
IDP client which intiated this zone iteration.
An attribute iteration operation.
struct GNUNET_NAMESTORE_ZoneIterator * ns_it
Namestore iterator.
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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 1383 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, AttributeIterator::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, AttributeIterator::identity, AttributeIterationStartMessage::identity, AttributeIterator::ns_it, and AttributeIterator::request_id.

1385 {
1386  struct IdpClient *idp = cls;
1387  struct AttributeIterator *ai;
1388 
1390  "Received ATTRIBUTE_ITERATION_START message\n");
1391  ai = GNUNET_new (struct AttributeIterator);
1392  ai->request_id = ntohl (ais_msg->id);
1393  ai->client = idp;
1394  ai->identity = ais_msg->identity;
1395 
1398  &ai->identity,
1399  &attr_iter_error,
1400  ai,
1401  &attr_iter_cb,
1402  ai,
1404  ai);
1406 }
#define GNUNET_CONTAINER_DLL_insert(head, tail, element)
Insert an element at the head of a DLL.
An idp client.
struct AttributeIterator * attr_iter_tail
Tail of the DLL of Attribute iteration operations in progress initiated by this 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.
#define GNUNET_new(type)
Allocate a struct or union of the given type.
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Key of the zone we are iterating over.
struct GNUNET_SERVICE_Client * client
The client.
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
Definition: reclaim.h:175
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:170
uint32_t request_id
The operation id fot the zone iteration in the response for the client.
static struct GNUNET_TRANSPORT_AddressIdentifier * ai
Handle to the operation that publishes our address.
#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.
struct AttributeIterator * attr_iter_head
Head of the DLL of Attribute iteration operations in progress initiated by this client.
static void attr_iter_finished(void *cls)
Done iterating over attributes.
struct IdpClient * client
IDP client which intiated this zone iteration.
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2533
An attribute iteration operation.
struct GNUNET_NAMESTORE_ZoneIterator * ns_it
Namestore iterator.
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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 1416 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, AttributeIterator::next, and AttributeIterator::request_id.

1418 {
1419  struct IdpClient *idp = cls;
1420  struct AttributeIterator *ai;
1421  uint32_t rid;
1422 
1424  "Received `%s' message\n",
1425  "ATTRIBUTE_ITERATION_STOP");
1426  rid = ntohl (ais_msg->id);
1427  for (ai = idp->attr_iter_head; NULL != ai; ai = ai->next)
1428  if (ai->request_id == rid)
1429  break;
1430  if (NULL == ai) {
1431  GNUNET_break (0);
1433  return;
1434  }
1436  GNUNET_free (ai);
1438 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
An idp client.
struct AttributeIterator * attr_iter_tail
Tail of the DLL of Attribute iteration operations in progress initiated by this 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.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:209
struct AttributeIterator * next
Next element in the DLL.
void GNUNET_SERVICE_client_drop(struct GNUNET_SERVICE_Client *c)
Ask the server to disconnect from the given client.
Definition: service.c:2618
uint32_t request_id
The operation id fot the zone iteration in the response for the client.
static struct GNUNET_TRANSPORT_AddressIdentifier * ai
Handle to the operation that publishes our address.
#define GNUNET_log(kind,...)
struct AttributeIterator * attr_iter_head
Head 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:2533
An attribute iteration operation.
#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 1448 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, AttributeIterator::next, AttributeIterator::ns_it, and AttributeIterator::request_id.

1450 {
1451  struct IdpClient *idp = cls;
1452  struct AttributeIterator *ai;
1453  uint32_t rid;
1454 
1456  "Received ATTRIBUTE_ITERATION_NEXT message\n");
1457  rid = ntohl (ais_msg->id);
1458  for (ai = idp->attr_iter_head; NULL != ai; ai = ai->next)
1459  if (ai->request_id == rid)
1460  break;
1461  if (NULL == ai) {
1462  GNUNET_break (0);
1464  return;
1465  }
1468 }
An idp client.
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 AttributeIterator * next
Next element in the DLL.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:192
void GNUNET_SERVICE_client_drop(struct GNUNET_SERVICE_Client *c)
Ask the server to disconnect from the given client.
Definition: service.c:2618
uint32_t request_id
The operation id fot the zone iteration in the response for the client.
static struct GNUNET_TRANSPORT_AddressIdentifier * ai
Handle to the operation that publishes our address.
#define GNUNET_log(kind,...)
struct AttributeIterator * attr_iter_head
Head 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:2533
An attribute iteration operation.
struct GNUNET_NAMESTORE_ZoneIterator * ns_it
Namestore iterator.
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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 1481 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().

1482 {
1483  struct TicketIteration *ti = cls;
1484  struct GNUNET_MQ_Envelope *env;
1485  struct TicketResultMessage *trm;
1486 
1488  if (NULL == ticket) {
1489  /* send empty response to indicate end of list */
1491  ti->client->ticket_iter_tail,
1492  ti);
1493  } else {
1494  trm->ticket = *ticket;
1495  }
1496  trm->id = htonl (ti->r_id);
1497  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending TICKET_RESULT message\n");
1498  GNUNET_MQ_send (ti->client->mq, env);
1499  if (NULL == ticket)
1500  GNUNET_free (ti);
1501 }
#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:367
Ticket result message.
Definition: reclaim.h:357
struct GNUNET_RECLAIM_Ticket ticket
The new ticket.
Definition: reclaim.h:372
#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:353
#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 1511 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.

1514 {
1515  struct IdpClient *client = cls;
1516  struct TicketIteration *ti;
1517 
1519  "Received TICKET_ITERATION_START message\n");
1520  ti = GNUNET_new (struct TicketIteration);
1521  ti->r_id = ntohl (tis_msg->id);
1522  ti->client = client;
1523 
1525  client->ticket_iter_tail,
1526  ti);
1527  ti->iter
1530 }
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:230
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)
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:225
#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:2533
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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 1540 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.

1542 {
1543  struct IdpClient *client = cls;
1544  struct TicketIteration *ti;
1545  uint32_t rid;
1546 
1548  "Received `%s' message\n",
1549  "TICKET_ITERATION_STOP");
1550  rid = ntohl (tis_msg->id);
1551  for (ti = client->ticket_iter_head; NULL != ti; ti = ti->next)
1552  if (ti->r_id == rid)
1553  break;
1554  if (NULL == ti) {
1555  GNUNET_break (0);
1557  return;
1558  }
1561  client->ticket_iter_tail,
1562  ti);
1563  GNUNET_free (ti);
1565 }
#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)
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:2618
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:264
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2533
#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 1575 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.

1577 {
1578  struct IdpClient *client = cls;
1579  struct TicketIteration *ti;
1580  uint32_t rid;
1581 
1583  "Received TICKET_ITERATION_NEXT message\n");
1584  rid = ntohl (tis_msg->id);
1585  for (ti = client->ticket_iter_head; NULL != ti; ti = ti->next)
1586  if (ti->r_id == rid)
1587  break;
1588  if (NULL == ti) {
1589  GNUNET_break (0);
1591  return;
1592  }
1595 }
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:247
void RECLAIM_TICKETS_iteration_next(struct RECLAIM_TICKETS_Iterator *iter)
void GNUNET_SERVICE_client_drop(struct GNUNET_SERVICE_Client *c)
Ask the server to disconnect from the given client.
Definition: service.c:2618
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:2533
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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 1606 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().

1609 {
1610  cfg = c;
1611 
1612  if (GNUNET_OK != RECLAIM_TICKETS_init (cfg)) {
1614  "Unable to initialize TICKETS subsystem.\n");
1616  return;
1617  }
1618  // Connect to identity and namestore services
1620  if (NULL == nsh) {
1622  "error connecting to namestore");
1623  }
1624 
1626 }
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:1293
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:78
void GNUNET_SCHEDULER_shutdown(void)
Request the shutdown of a scheduler.
Definition: scheduler.c:524
#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)
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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 1637 of file gnunet-service-reclaim.c.

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

Referenced by client_connect_cb().

1640 {
1641  struct IdpClient *idp = app_ctx;
1642  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Client %p disconnected\n", client);
1645  idp);
1646  cleanup_client (idp);
1647 }
#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.
#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 1659 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_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, iteration_start(), mq, IdpClient::mq, and run().

1662 {
1663  struct IdpClient *idp;
1664  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Client %p connected\n", client);
1665  idp = GNUNET_new (struct IdpClient);
1666  idp->client = client;
1667  idp->mq = mq;
1670  idp);
1671  return idp;
1672 }
#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.
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(attribute_delete_message, GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_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_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 436 of file gnunet-service-reclaim.c.

◆ client_list_tail

struct IdpClient* client_list_tail = NULL
static

Client list.

Definition at line 441 of file gnunet-service-reclaim.c.