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 442 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().

443 {
444  struct TicketRecordsEntry *le;
445 
446  if (NULL != adh->ns_it)
448  if (NULL != adh->ns_qe)
450  if (NULL != adh->label)
451  GNUNET_free(adh->label);
452  if (NULL != adh->claim)
453  GNUNET_free(adh->claim);
454  while (NULL != (le = adh->tickets_to_update_head))
455  {
458  le);
459  if (NULL != le->label)
460  GNUNET_free(le->label);
461  if (NULL != le->data)
462  GNUNET_free(le->data);
463  GNUNET_free(le);
464  }
465  GNUNET_free(adh);
466 }
#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 475 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().

476 {
477  if (NULL != ash->ns_qe)
479  if (NULL != ash->claim)
480  GNUNET_free(ash->claim);
481  GNUNET_free(ash);
482 }
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 491 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().

492 {
493  struct AttributeIterator *ai;
494  struct TicketIteration *ti;
495  struct TicketRevocationOperation *rop;
496  struct TicketIssueOperation *iss;
497  struct ConsumeTicketOperation *ct;
498  struct AttributeStoreHandle *as;
499  struct AttributeDeleteHandle *adh;
500 
501  while (NULL != (iss = idp->issue_op_head))
502  {
504  GNUNET_free(iss);
505  }
506  while (NULL != (ct = idp->consume_op_head))
507  {
509  idp->consume_op_tail,
510  ct);
511  if (NULL != ct->ch)
513  GNUNET_free(ct);
514  }
515  while (NULL != (as = idp->store_op_head))
516  {
518  cleanup_as_handle(as);
519  }
520  while (NULL != (adh = idp->delete_op_head))
521  {
523  cleanup_adh(adh);
524  }
525 
526  while (NULL != (ai = idp->attr_iter_head))
527  {
529  GNUNET_free(ai);
530  }
531  while (NULL != (rop = idp->revoke_op_head))
532  {
534  if (NULL != rop->rh)
536  GNUNET_free(rop);
537  }
538  while (NULL != (ti = idp->ticket_iter_head))
539  {
541  idp->ticket_iter_tail,
542  ti);
543  if (NULL != ti->iter)
545  GNUNET_free(ti);
546  }
547  GNUNET_free(idp);
548 }
#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)
Stop a running ticket iteration.
struct RECLAIM_TICKETS_Iterator * iter
The ticket iterator.
struct TicketRevocationOperation * revoke_op_tail
Tail of DLL of ticket revocation ops.
struct 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)
Cancel a consume operation.
struct RECLAIM_TICKETS_ConsumeHandle * ch
Ticket consume handle.
static struct GNUNET_TRANSPORT_AddressIdentifier * ai
Handle to the operation that publishes our address.
struct ConsumeTicketOperation * consume_op_tail
Tail of DLL of ticket consume ops.
struct TicketRevocationOperation * revoke_op_head
Head of DLL of ticket revocation ops.
void RECLAIM_TICKETS_revoke_cancel(struct RECLAIM_TICKETS_RevokeHandle *rh)
Cancel a revocation.
struct 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 555 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().

556 {
557  struct IdpClient *cl;
558 
559  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Cleaning up\n");
560 
561  while (NULL != (cl = client_list_head))
562  {
565  cl);
566  cleanup_client(cl);
567  }
569  if (NULL != timeout_task)
571  if (NULL != nsh)
573 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
An idp client.
static void cleanup_client(struct IdpClient *idp)
Cleanup client.
void GNUNET_NAMESTORE_disconnect(struct GNUNET_NAMESTORE_Handle *h)
Disconnect from the namestore service (and free associated resources).
static struct IdpClient * client_list_head
Client list.
void RECLAIM_TICKETS_deinit(void)
Close handles and clean up.
static struct GNUNET_SCHEDULER_Task * timeout_task
Timeout task.
#define GNUNET_log(kind,...)
static struct GNUNET_NAMESTORE_Handle * nsh
Namestore handle.
static struct IdpClient * client_list_tail
Client list.
void * GNUNET_SCHEDULER_cancel(struct GNUNET_SCHEDULER_Task *task)
Cancel the task with the specified identifier.
Definition: scheduler.c:956
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◆ do_shutdown()

static void do_shutdown ( void *  cls)
static

Shutdown task.

Parameters
clsNULL

Definition at line 582 of file gnunet-service-reclaim.c.

References cleanup(), GNUNET_ERROR_TYPE_INFO, and GNUNET_log.

Referenced by attr_store_cont(), and run().

583 {
584  GNUNET_log(GNUNET_ERROR_TYPE_INFO, "Shutting down...\n");
585  cleanup();
586 }
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 598 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().

602 {
603  struct TicketResultMessage *irm;
604  struct GNUNET_MQ_Envelope *env;
605 
606  env = GNUNET_MQ_msg(irm,
608  if (NULL != ticket)
609  {
610  irm->ticket = *ticket;
611  }
612  // TODO add success member
613  irm->id = htonl(r_id);
614  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Sending TICKET_RESULT message\n");
615  GNUNET_MQ_send(client->mq, env);
616 }
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:353
Ticket result message.
Definition: reclaim.h:344
struct GNUNET_RECLAIM_Ticket ticket
The new ticket.
Definition: reclaim.h:358
#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:351
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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 628 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().

632 {
633  struct TicketIssueOperation *tio = cls;
634 
635  if (GNUNET_OK != success)
636  {
637  send_ticket_result(tio->client, tio->r_id, NULL, GNUNET_SYSERR);
639  tio->client->issue_op_tail,
640  tio);
641  GNUNET_free(tio);
642  GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Error issuing ticket: %s\n", emsg);
643  return;
644  }
645  send_ticket_result(tio->client, tio->r_id, ticket, GNUNET_SYSERR);
647  tio->client->issue_op_tail,
648  tio);
649  GNUNET_free(tio);
650 }
#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:75
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:76
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 661 of file gnunet-service-reclaim.c.

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

662 {
663  uint16_t size;
664 
665  size = ntohs(im->header.size);
666  if (size <= sizeof(struct IssueTicketMessage))
667  {
668  GNUNET_break(0);
669  return GNUNET_SYSERR;
670  }
671  return GNUNET_OK;
672 }
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
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:265
Ticket issue message.
Definition: reclaim.h:261
#define GNUNET_SYSERR
Definition: gnunet_common.h:76
static unsigned int size
Size of the "table".
Definition: peer.c:66

◆ 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 682 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.

683 {
684  struct TicketIssueOperation *tio;
685  struct IdpClient *idp = cls;
687  size_t attrs_len;
688 
689  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Received ISSUE_TICKET message\n");
690  tio = GNUNET_new(struct TicketIssueOperation);
691  attrs_len = ntohs(im->attr_len);
692  attrs = GNUNET_RECLAIM_ATTRIBUTE_list_deserialize((char *)&im[1], attrs_len);
693  tio->r_id = ntohl(im->id);
694  tio->client = idp;
697  attrs,
698  &im->rp,
700  tio);
703 }
struct GNUNET_CRYPTO_EcdsaPublicKey rp
Requesting party.
Definition: reclaim.h:280
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:275
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:270
uint32_t attr_len
length of serialized attribute list
Definition: reclaim.h:285
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)
Issue a new reclaim ticket, thereby authorizing the audience to access the set of provided attributes...
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:2234
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 718 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().

719 {
720  struct TicketRevocationOperation *rop = cls;
721  struct GNUNET_MQ_Envelope *env;
722  struct RevokeTicketResultMessage *trm;
723 
724  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Sending REVOKE_TICKET_RESULT message\n");
725  rop->rh = NULL;
727  trm->id = htonl(rop->r_id);
728  trm->success = htonl(success);
729  GNUNET_MQ_send(rop->client->mq, env);
731  rop->client->revoke_op_tail,
732  rop);
733  GNUNET_free(rop);
734 }
#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:323
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:332
#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:351
uint32_t success
Revocation result.
Definition: reclaim.h:337
#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 745 of file gnunet-service-reclaim.c.

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

746 {
747  uint16_t size;
748 
749  size = ntohs(im->header.size);
750  if (size != sizeof(struct RevokeTicketMessage))
751  {
752  GNUNET_break(0);
753  return GNUNET_SYSERR;
754  }
755  return GNUNET_OK;
756 }
struct GNUNET_MessageHeader header
Type will be GNUNET_MESSAGE_TYPE_RECLAIM_REVOKE_TICKET.
Definition: reclaim.h:297
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
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:76
static unsigned int size
Size of the "table".
Definition: peer.c:66
Ticket revoke message.
Definition: reclaim.h:293

◆ 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 766 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.

767 {
768  struct TicketRevocationOperation *rop;
769  struct IdpClient *idp = cls;
770 
771  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Received REVOKE_TICKET message\n");
773  rop->r_id = ntohl(rm->id);
774  rop->client = idp;
776  rop->rh
779 }
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
Definition: reclaim.h:307
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:302
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:317
struct TicketRevocationOperation * revoke_op_head
Head of DLL of ticket revocation ops.
Ticket revocation request handle.
struct RECLAIM_TICKETS_RevokeHandle * RECLAIM_TICKETS_revoke(const struct GNUNET_RECLAIM_Ticket *ticket, const struct GNUNET_CRYPTO_EcdsaPrivateKey *identity, RECLAIM_TICKETS_RevokeCallback cb, void *cb_cls)
Revoke a ticket.
#define GNUNET_log(kind,...)
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2234
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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 792 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().

797 {
798  struct ConsumeTicketOperation *cop = cls;
799  struct ConsumeTicketResultMessage *crm;
800  struct GNUNET_MQ_Envelope *env;
801  char *data_tmp;
802  size_t attrs_len;
803 
804  if (GNUNET_OK != success)
805  {
806  GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Error consuming ticket: %s\n", emsg);
807  }
809  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Sending CONSUME_TICKET_RESULT message\n");
810  env = GNUNET_MQ_msg_extra(crm,
811  attrs_len,
813  crm->id = htonl(cop->r_id);
814  crm->attrs_len = htons(attrs_len);
815  crm->identity = *identity;
816  crm->result = htonl(success);
817  data_tmp = (char *)&crm[1];
819  GNUNET_MQ_send(cop->client->mq, env);
821  cop->client->consume_op_tail,
822  cop);
823  GNUNET_free(cop);
824 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
Attribute list is returned from the idp.
Definition: reclaim.h:389
#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:398
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
uint32_t result
Result.
Definition: reclaim.h:403
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:418
uint16_t attrs_len
Length of serialized attribute data.
Definition: reclaim.h:408
#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:351
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 834 of file gnunet-service-reclaim.c.

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

835 {
836  uint16_t size;
837 
838  size = ntohs(cm->header.size);
839  if (size != sizeof(struct ConsumeTicketMessage))
840  {
841  GNUNET_break(0);
842  return GNUNET_SYSERR;
843  }
844  return GNUNET_OK;
845 }
Ticket consume message.
Definition: reclaim.h:364
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
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:76
static unsigned int size
Size of the "table".
Definition: peer.c:66
struct GNUNET_MessageHeader header
Type will be GNUNET_MESSAGE_TYPE_RECLAIM_CONSUME_TICKET.
Definition: reclaim.h:368

◆ 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 855 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.

856 {
857  struct ConsumeTicketOperation *cop;
858  struct IdpClient *idp = cls;
859 
860  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Received CONSUME_TICKET message\n");
861  cop = GNUNET_new(struct ConsumeTicketOperation);
862  cop->r_id = ntohl(cm->id);
863  cop->client = idp;
864  cop->ch
868 }
#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:378
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:383
struct ConsumeTicketOperation * consume_op_tail
Tail of DLL of ticket consume ops.
struct RECLAIM_TICKETS_ConsumeHandle * RECLAIM_TICKETS_consume(const struct GNUNET_CRYPTO_EcdsaPrivateKey *id, const struct GNUNET_RECLAIM_Ticket *ticket, RECLAIM_TICKETS_ConsumeCallback cb, void *cb_cls)
Consume a ticket.
#define GNUNET_log(kind,...)
Handle for ticket consume request.
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2234
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:373
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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 883 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().

884 {
885  struct AttributeStoreHandle *ash = cls;
886  struct GNUNET_MQ_Envelope *env;
887  struct SuccessResultMessage *acr_msg;
888 
889  ash->ns_qe = NULL;
891  ash->client->store_op_tail,
892  ash);
893 
894  if (GNUNET_SYSERR == success)
895  {
897  "Failed to store attribute %s\n",
898  emsg);
899  cleanup_as_handle(ash);
901  return;
902  }
903 
904  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Sending SUCCESS_RESPONSE message\n");
906  acr_msg->id = htonl(ash->r_id);
907  acr_msg->op_result = htonl(GNUNET_OK);
908  GNUNET_MQ_send(ash->client->mq, env);
909  cleanup_as_handle(ash);
910 }
#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:115
#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:75
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:1264
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:101
#define GNUNET_SYSERR
Definition: gnunet_common.h:76
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:351
static void do_shutdown(void *cls)
Shutdown task.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:110
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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 919 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().

920 {
921  struct AttributeStoreHandle *ash = cls;
922  struct GNUNET_GNSRECORD_Data rd[1];
923  char *buf;
924  char *label;
925  size_t buf_size;
926 
927  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Storing attribute\n");
929  buf = GNUNET_malloc(buf_size);
930  // Give the ash a new id if unset
931  if (0 == ash->claim->id)
932  ash->claim->id
935  label
936  = GNUNET_STRINGS_data_to_string_alloc(&ash->claim->id, sizeof(uint64_t));
937  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Encrypting with label %s\n", label);
938 
939  rd[0].data_size = buf_size;
940  rd[0].data = buf;
941  rd[0].record_type = GNUNET_GNSRECORD_TYPE_RECLAIM_ATTR;
943  rd[0].expiration_time = ash->exp.rel_value_us;
945  &ash->identity,
946  label,
947  1,
948  rd,
950  ash);
951  GNUNET_free(buf);
952  GNUNET_free(label);
953 }
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:921
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 963 of file gnunet-service-reclaim.c.

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

965 {
966  uint16_t size;
967 
968  size = ntohs(sam->header.size);
969  if (size <= sizeof(struct AttributeStoreMessage))
970  {
971  GNUNET_break(0);
972  return GNUNET_SYSERR;
973  }
974  return GNUNET_OK;
975 }
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
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:44
#define GNUNET_SYSERR
Definition: gnunet_common.h:76
static unsigned int size
Size of the "table".
Definition: peer.c:66

◆ 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 985 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.

987 {
988  struct AttributeStoreHandle *ash;
989  struct IdpClient *idp = cls;
990  size_t data_len;
991 
992  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Received ATTRIBUTE_STORE message\n");
993 
994  data_len = ntohs(sam->attr_len);
995 
996  ash = GNUNET_new(struct AttributeStoreHandle);
997  ash->claim = GNUNET_RECLAIM_ATTRIBUTE_deserialize((char *)&sam[1], data_len);
998 
999  ash->r_id = ntohl(sam->id);
1000  ash->identity = sam->identity;
1001  ash->exp.rel_value_us = GNUNET_ntohll(sam->exp);
1003 
1005  ash->client = idp;
1008 }
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
struct GNUNET_CRYPTO_EcdsaPrivateKey identity
Identity.
Definition: reclaim.h:64
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:1264
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:54
struct GNUNET_CRYPTO_EcdsaPublicKey identity_pkey
Identity pubkey.
uint64_t exp
The expiration interval of the attribute.
Definition: reclaim.h:59
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:2234
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:49
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 1018 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().

1019 {
1020  struct GNUNET_MQ_Envelope *env;
1021  struct SuccessResultMessage *acr_msg;
1022 
1024  adh->client->delete_op_tail,
1025  adh);
1026 
1027  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Sending SUCCESS_RESPONSE message\n");
1029  acr_msg->id = htonl(adh->r_id);
1030  acr_msg->op_result = htonl(success);
1031  GNUNET_MQ_send(adh->client->mq, env);
1032 }
#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:115
#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:101
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:351
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:110
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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 1046 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().

1051 {
1052  struct AttributeDeleteHandle *adh = cls;
1053  struct TicketRecordsEntry *le;
1054  int has_changed = GNUNET_NO;
1055 
1056  for (int i = 0; i < rd_count; i++)
1057  {
1058  if (GNUNET_GNSRECORD_TYPE_RECLAIM_ATTR_REF != rd[i].record_type)
1059  continue;
1060  if (0 != memcmp(rd[i].data, &adh->claim->id, sizeof(uint64_t)))
1061  continue;
1063  "Attribute to delete found (%s)\n",
1064  adh->label);
1065  has_changed = GNUNET_YES;
1066  break;
1067  }
1068  if (GNUNET_YES == has_changed)
1069  {
1070  le = GNUNET_new(struct TicketRecordsEntry);
1071  le->data_size = GNUNET_GNSRECORD_records_get_size(rd_count, rd);
1072  le->data = GNUNET_malloc(le->data_size);
1073  le->rd_count = rd_count;
1074  le->label = GNUNET_strdup(label);
1075  GNUNET_GNSRECORD_records_serialize(rd_count, rd, le->data_size, le->data);
1078  le);
1079  }
1081 }
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:78
#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:77
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 1117 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().

1118 {
1119  struct AttributeDeleteHandle *adh = cls;
1120  struct TicketRecordsEntry *le;
1121 
1122  if (NULL == adh->tickets_to_update_head)
1123  {
1125  "Finished updatding tickets, success\n");
1127  cleanup_adh(adh);
1128  return;
1129  }
1131  "Updating %s\n",
1133  le = adh->tickets_to_update_head;
1136  le);
1137  struct GNUNET_GNSRECORD_Data rd[le->rd_count];
1138  struct GNUNET_GNSRECORD_Data rd_new[le->rd_count - 1];
1140  le->data,
1141  le->rd_count,
1142  rd))
1143  {
1145  "Unable to deserialize record data!\n");
1147  cleanup_adh(adh);
1148  return;
1149  }
1150  int j = 0;
1151  for (int i = 0; i < le->rd_count; i++)
1152  {
1154  && (0 == memcmp(rd[i].data, &adh->claim->id, sizeof(uint64_t))))
1155  continue;
1156  rd_new[j] = rd[i];
1157  j++;
1158  }
1160  &adh->identity,
1161  le->label,
1162  j,
1163  rd_new,
1164  &ticket_updated,
1165  adh);
1166  GNUNET_free(le->label);
1167  GNUNET_free(le->data);
1168  GNUNET_free(le);
1169 }
#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:75
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:76
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 1100 of file gnunet-service-reclaim.c.

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

Referenced by update_tickets().

1101 {
1102  struct AttributeDeleteHandle *adh = cls;
1103 
1104  adh->ns_qe = NULL;
1106 }
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:1264
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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 1178 of file gnunet-service-reclaim.c.

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

Referenced by start_ticket_update().

1179 {
1180  struct AttributeDeleteHandle *adh = cls;
1181 
1182  adh->ns_it = NULL;
1184 }
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:1264
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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 1193 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().

1194 {
1195  struct AttributeDeleteHandle *adh = cls;
1196 
1197  adh->ns_it = NULL;
1199  "Namestore error on delete %s\n",
1200  adh->label);
1202  cleanup_adh(adh);
1203 }
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:76
#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 1213 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().

1214 {
1215  struct AttributeDeleteHandle *adh = cls;
1216 
1218  &adh->identity,
1219  &ticket_iter_err,
1220  adh,
1221  &ticket_iter,
1222  adh,
1223  &ticket_iter_fin,
1224  adh);
1225 }
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 1236 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().

1237 {
1238  struct AttributeDeleteHandle *adh = cls;
1239 
1240  adh->ns_qe = NULL;
1241  if (GNUNET_SYSERR == success)
1242  {
1244  "Error deleting attribute %s\n",
1245  adh->label);
1247  cleanup_adh(adh);
1248  return;
1249  }
1250  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Updating tickets...\n");
1252 }
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:1264
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:76
#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 1262 of file gnunet-service-reclaim.c.

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

1264 {
1265  uint16_t size;
1266 
1267  size = ntohs(dam->header.size);
1268  if (size <= sizeof(struct AttributeDeleteMessage))
1269  {
1270  GNUNET_break(0);
1271  return GNUNET_SYSERR;
1272  }
1273  return GNUNET_OK;
1274 }
Use to delete an identity attribute.
Definition: reclaim.h:73
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
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:77
#define GNUNET_SYSERR
Definition: gnunet_common.h:76
static unsigned int size
Size of the "table".
Definition: peer.c:66

◆ 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 1284 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.

1286 {
1287  struct AttributeDeleteHandle *adh;
1288  struct IdpClient *idp = cls;
1289  size_t data_len;
1290 
1291  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Received ATTRIBUTE_DELETE message\n");
1292 
1293  data_len = ntohs(dam->attr_len);
1294 
1295  adh = GNUNET_new(struct AttributeDeleteHandle);
1296  adh->claim = GNUNET_RECLAIM_ATTRIBUTE_deserialize((char *)&dam[1], data_len);
1297 
1298  adh->r_id = ntohl(dam->id);
1299  adh->identity = dam->identity;
1300  adh->label
1301  = GNUNET_STRINGS_data_to_string_alloc(&adh->claim->id, sizeof(uint64_t));
1303  adh->client = idp;
1306  &adh->identity,
1307  adh->label,
1308  0,
1309  NULL,
1311  adh);
1312 }
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:92
#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:87
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:82
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:921
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:2234
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 1326 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().

1327 {
1328  struct AttributeIterator *ai = cls;
1329  struct GNUNET_MQ_Envelope *env;
1330  struct AttributeResultMessage *arm;
1331 
1332  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Sending ATTRIBUTE_RESULT message\n");
1334  arm->id = htonl(ai->request_id);
1335  arm->attr_len = htons(0);
1336  GNUNET_MQ_send(ai->client->mq, env);
1338  ai->client->attr_iter_tail,
1339  ai);
1340  GNUNET_free(ai);
1341 }
#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:130
#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:121
uint16_t attr_len
Length of serialized attribute data.
Definition: reclaim.h:135
#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:351
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 1349 of file gnunet-service-reclaim.c.

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

Referenced by handle_iteration_start().

1350 {
1351  struct AttributeIterator *ai = cls;
1352 
1353  GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to iterate over attributes\n");
1354  attr_iter_finished(ai);
1355 }
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 1368 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().

1373 {
1374  struct AttributeIterator *ai = cls;
1375  struct AttributeResultMessage *arm;
1376  struct GNUNET_MQ_Envelope *env;
1377  char *data_tmp;
1378 
1379  if (rd_count != 1)
1380  {
1382  return;
1383  }
1384 
1386  {
1388  return;
1389  }
1390  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Found attribute under: %s\n", label);
1391  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Sending ATTRIBUTE_RESULT message\n");
1392  env = GNUNET_MQ_msg_extra(arm,
1393  rd->data_size,
1395  arm->id = htonl(ai->request_id);
1396  arm->attr_len = htons(rd->data_size);
1398  data_tmp = (char *)&arm[1];
1399  GNUNET_memcpy(data_tmp, rd->data, rd->data_size);
1400  GNUNET_MQ_send(ai->client->mq, env);
1401 }
#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:130
#define GNUNET_memcpy(dst, src, n)
Call memcpy() but check for n being 0 first.
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
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:121
uint16_t attr_len
Length of serialized attribute data.
Definition: reclaim.h:135
#define GNUNET_log(kind,...)
struct GNUNET_CRYPTO_EcdsaPublicKey identity
The public key of the identity.
Definition: reclaim.h:145
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:351
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 1411 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.

1413 {
1414  struct IdpClient *idp = cls;
1415  struct AttributeIterator *ai;
1416 
1418  "Received ATTRIBUTE_ITERATION_START message\n");
1419  ai = GNUNET_new(struct AttributeIterator);
1420  ai->request_id = ntohl(ais_msg->id);
1421  ai->client = idp;
1422  ai->identity = ais_msg->identity;
1423 
1426  &ai->identity,
1427  &attr_iter_error,
1428  ai,
1429  &attr_iter_cb,
1430  ai,
1432  ai);
1434 }
#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:170
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:165
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:2234
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 1444 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.

1446 {
1447  struct IdpClient *idp = cls;
1448  struct AttributeIterator *ai;
1449  uint32_t rid;
1450 
1452  "Received `%s' message\n",
1453  "ATTRIBUTE_ITERATION_STOP");
1454  rid = ntohl(ais_msg->id);
1455  for (ai = idp->attr_iter_head; NULL != ai; ai = ai->next)
1456  if (ai->request_id == rid)
1457  break;
1458  if (NULL == ai)
1459  {
1460  GNUNET_break(0);
1462  return;
1463  }
1465  GNUNET_free(ai);
1467 }
#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:202
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:2315
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:2234
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 1477 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.

1479 {
1480  struct IdpClient *idp = cls;
1481  struct AttributeIterator *ai;
1482  uint32_t rid;
1483 
1485  "Received ATTRIBUTE_ITERATION_NEXT message\n");
1486  rid = ntohl(ais_msg->id);
1487  for (ai = idp->attr_iter_head; NULL != ai; ai = ai->next)
1488  if (ai->request_id == rid)
1489  break;
1490  if (NULL == ai)
1491  {
1492  GNUNET_break(0);
1494  return;
1495  }
1498 }
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:186
void GNUNET_SERVICE_client_drop(struct GNUNET_SERVICE_Client *c)
Ask the server to disconnect from the given client.
Definition: service.c:2315
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:2234
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 1511 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().

1512 {
1513  struct TicketIteration *ti = cls;
1514  struct GNUNET_MQ_Envelope *env;
1515  struct TicketResultMessage *trm;
1516 
1518  if (NULL == ticket)
1519  {
1520  /* send empty response to indicate end of list */
1522  ti->client->ticket_iter_tail,
1523  ti);
1524  }
1525  else
1526  {
1527  trm->ticket = *ticket;
1528  }
1529  trm->id = htonl(ti->r_id);
1530  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Sending TICKET_RESULT message\n");
1531  GNUNET_MQ_send(ti->client->mq, env);
1532  if (NULL == ticket)
1533  GNUNET_free(ti);
1534 }
#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:353
Ticket result message.
Definition: reclaim.h:344
struct GNUNET_RECLAIM_Ticket ticket
The new ticket.
Definition: reclaim.h:358
#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:351
#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 1544 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.

1547 {
1548  struct IdpClient *client = cls;
1549  struct TicketIteration *ti;
1550 
1552  "Received TICKET_ITERATION_START message\n");
1553  ti = GNUNET_new(struct TicketIteration);
1554  ti->r_id = ntohl(tis_msg->id);
1555  ti->client = client;
1556 
1558  client->ticket_iter_tail,
1559  ti);
1560  ti->iter
1563 }
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:222
An idp client.
struct RECLAIM_TICKETS_Iterator * iter
The ticket iterator.
#define GNUNET_new(type)
Allocate a struct or union of the given type.
uint32_t r_id
The operation id fot the iteration in the response for the client.
struct RECLAIM_TICKETS_Iterator * RECLAIM_TICKETS_iteration_start(const struct GNUNET_CRYPTO_EcdsaPrivateKey *identity, RECLAIM_TICKETS_TicketIter cb, void *cb_cls)
Iterate over all tickets issued by an identity.
struct IdpClient * client
Client which intiated this zone iteration.
struct GNUNET_SERVICE_Client * client
The client.
struct TicketIteration * ticket_iter_head
Head of DLL of ticket iteration ops.
A ticket iteration operation.
uint32_t id
Unique identifier for this request (for key collisions).
Definition: reclaim.h:217
#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:2234
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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 1573 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.

1575 {
1576  struct IdpClient *client = cls;
1577  struct TicketIteration *ti;
1578  uint32_t rid;
1579 
1581  "Received `%s' message\n",
1582  "TICKET_ITERATION_STOP");
1583  rid = ntohl(tis_msg->id);
1584  for (ti = client->ticket_iter_head; NULL != ti; ti = ti->next)
1585  if (ti->r_id == rid)
1586  break;
1587  if (NULL == ti)
1588  {
1589  GNUNET_break(0);
1591  return;
1592  }
1595  client->ticket_iter_tail,
1596  ti);
1597  GNUNET_free(ti);
1599 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
struct TicketIteration * ticket_iter_tail
Tail of DLL of ticket iteration ops.
An idp client.
void RECLAIM_TICKETS_iteration_stop(struct RECLAIM_TICKETS_Iterator *iter)
Stop a running ticket iteration.
struct RECLAIM_TICKETS_Iterator * iter
The ticket iterator.
uint32_t r_id
The operation id fot the iteration in the response for the client.
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur...
struct GNUNET_SERVICE_Client * client
The client.
struct TicketIteration * ticket_iter_head
Head of DLL of ticket iteration ops.
void GNUNET_SERVICE_client_drop(struct GNUNET_SERVICE_Client *c)
Ask the server to disconnect from the given client.
Definition: service.c:2315
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:254
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
Definition: service.c:2234
#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 1609 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.

1611 {
1612  struct IdpClient *client = cls;
1613  struct TicketIteration *ti;
1614  uint32_t rid;
1615 
1617  "Received TICKET_ITERATION_NEXT message\n");
1618  rid = ntohl(tis_msg->id);
1619  for (ti = client->ticket_iter_head; NULL != ti; ti = ti->next)
1620  if (ti->r_id == rid)
1621  break;
1622  if (NULL == ti)
1623  {
1624  GNUNET_break(0);
1626  return;
1627  }
1630 }
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:238
void RECLAIM_TICKETS_iteration_next(struct RECLAIM_TICKETS_Iterator *iter)
Continue ticket iteration.
void GNUNET_SERVICE_client_drop(struct GNUNET_SERVICE_Client *c)
Ask the server to disconnect from the given client.
Definition: service.c:2315
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:2234
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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 1641 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().

1644 {
1645  cfg = c;
1646 
1648  {
1650  "Unable to initialize TICKETS subsystem.\n");
1652  return;
1653  }
1654  // Connect to identity and namestore services
1656  if (NULL == nsh)
1657  {
1659  "error connecting to namestore");
1660  }
1661 
1663 }
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:1284
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
void GNUNET_SCHEDULER_shutdown(void)
Request the shutdown of a scheduler.
Definition: scheduler.c:517
#define GNUNET_log_strerror(level, cmd)
Log an error message at log-level &#39;level&#39; that indicates a failure of the command &#39;cmd&#39; with the mess...
struct GNUNET_NAMESTORE_Handle * GNUNET_NAMESTORE_connect(const struct GNUNET_CONFIGURATION_Handle *cfg)
Connect to the namestore service.
#define GNUNET_log(kind,...)
static struct GNUNET_NAMESTORE_Handle * nsh
Namestore handle.
static void do_shutdown(void *cls)
Shutdown task.
int RECLAIM_TICKETS_init(const struct GNUNET_CONFIGURATION_Handle *c)
Initialize tickets component.
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◆ client_disconnect_cb()

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

Called whenever a client is disconnected.

Parameters
clsclosure
clientidentification of the client
app_ctxclient

Definition at line 1674 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().

1677 {
1678  struct IdpClient *idp = app_ctx;
1679 
1680  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Client %p disconnected\n", client);
1683  idp);
1684  cleanup_client(idp);
1685 }
#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 1697 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().

1700 {
1701  struct IdpClient *idp;
1702 
1703  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Client %p connected\n", client);
1704  idp = GNUNET_new(struct IdpClient);
1705  idp->client = client;
1706  idp->mq = mq;
1709  idp);
1710  return idp;
1711 }
#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 428 of file gnunet-service-reclaim.c.

◆ client_list_tail

struct IdpClient* client_list_tail = NULL
static

Client list.

Definition at line 433 of file gnunet-service-reclaim.c.