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authorSchanzenbach, Martin <mschanzenbach@posteo.de>2019-04-12 18:16:00 +0200
committerSchanzenbach, Martin <mschanzenbach@posteo.de>2019-04-14 10:01:24 +0200
commit7a923f1b2d38d55ca921abb57980ccfd1340f634 (patch)
treeeee6c6ee633d6343cf8ac5f7394344f29c64c4ce /src
parentdfe11b6b541b47c85cdf56e55ebb816d6793db31 (diff)
RECLAIM: Refactoring
Diffstat (limited to 'src')
-rw-r--r--src/reclaim/gnunet-service-reclaim.c410
-rw-r--r--src/reclaim/gnunet-service-reclaim_tickets.c439
-rw-r--r--src/reclaim/gnunet-service-reclaim_tickets.h38
-rw-r--r--src/reclaim/reclaim.h5
4 files changed, 503 insertions, 389 deletions
diff --git a/src/reclaim/gnunet-service-reclaim.c b/src/reclaim/gnunet-service-reclaim.c
index 634de0dfe..c8ae8a238 100644
--- a/src/reclaim/gnunet-service-reclaim.c
+++ b/src/reclaim/gnunet-service-reclaim.c
@@ -30,8 +30,6 @@
#include "gnunet_identity_service.h"
#include "gnunet_gnsrecord_lib.h"
#include "gnunet_namestore_service.h"
-#include "gnunet_statistics_service.h"
-#include "gnunet_gns_service.h"
#include "gnunet_reclaim_plugin.h"
#include "gnunet_reclaim_attribute_lib.h"
#include "gnunet_signatures.h"
@@ -84,11 +82,6 @@ static struct GNUNET_TIME_Relative token_expiration_interval;
static struct GNUNET_NAMESTORE_Handle *nsh;
/**
- * GNS handle
- */
-static struct GNUNET_GNS_Handle *gns_handle;
-
-/**
* Timeout task
*/
static struct GNUNET_SCHEDULER_Task *timeout_task;
@@ -100,11 +93,6 @@ static struct GNUNET_SCHEDULER_Task *update_task;
/**
- * Handle to the statistics service.
- */
-static struct GNUNET_STATISTICS_Handle *stats;
-
-/**
* Our configuration.
*/
static const struct GNUNET_CONFIGURATION_Handle *cfg;
@@ -248,12 +236,12 @@ struct IdpClient
/**
* Head of DLL of ticket consume ops
*/
- struct ConsumeTicketHandle *consume_op_head;
+ struct ConsumeTicketOperation *consume_op_head;
/**
* Tail of DLL of ticket consume ops
*/
- struct ConsumeTicketHandle *consume_op_tail;
+ struct ConsumeTicketOperation *consume_op_tail;
/**
* Head of DLL of attribute store ops
@@ -316,20 +304,17 @@ struct AttributeStoreHandle
};
-/* Prototype */
-struct ParallelLookup;
-
-struct ConsumeTicketHandle
+struct ConsumeTicketOperation
{
/**
* DLL
*/
- struct ConsumeTicketHandle *next;
+ struct ConsumeTicketOperation *next;
/**
* DLL
*/
- struct ConsumeTicketHandle *prev;
+ struct ConsumeTicketOperation *prev;
/**
* Client connection
@@ -337,82 +322,17 @@ struct ConsumeTicketHandle
struct IdpClient *client;
/**
- * Ticket
- */
- struct GNUNET_RECLAIM_Ticket ticket;
-
- /**
- * LookupRequest
- */
- struct GNUNET_GNS_LookupRequest *lookup_request;
-
- /**
- * Audience Key
- */
- struct GNUNET_CRYPTO_EcdsaPrivateKey identity;
-
- /**
- * Audience Key
- */
- struct GNUNET_CRYPTO_EcdsaPublicKey identity_pub;
-
- /**
- * Lookup DLL
- */
- struct ParallelLookup *parallel_lookups_head;
-
- /**
- * Lookup DLL
- */
- struct ParallelLookup *parallel_lookups_tail;
-
- /**
- * Kill task
- */
- struct GNUNET_SCHEDULER_Task *kill_task;
-
- /**
- * Attributes
- */
- struct GNUNET_RECLAIM_ATTRIBUTE_ClaimList *attrs;
-
- /**
- * Lookup time
- */
- struct GNUNET_TIME_Absolute lookup_start_time;
-
- /**
* request id
*/
uint32_t r_id;
-};
-
-/**
- * Handle for a parallel GNS lookup job
- */
-struct ParallelLookup
-{
- /* DLL */
- struct ParallelLookup *next;
-
- /* DLL */
- struct ParallelLookup *prev;
-
- /* The GNS request */
- struct GNUNET_GNS_LookupRequest *lookup_request;
-
- /* The handle the return to */
- struct ConsumeTicketHandle *handle;
/**
- * Lookup time
+ * Ticket consume handle
*/
- struct GNUNET_TIME_Absolute lookup_start_time;
-
- /* The label to look up */
- char *label;
+ struct RECLAIM_TICKETS_ConsumeHandle *ch;
};
+
/**
* Updated attribute IDs
*/
@@ -578,11 +498,6 @@ cleanup()
"Cleaning up\n");
RECLAIM_TICKETS_deinit ();
- if (NULL != stats)
- {
- GNUNET_STATISTICS_destroy (stats, GNUNET_NO);
- stats = NULL;
- }
GNUNET_break (NULL == GNUNET_PLUGIN_unload (db_lib_name,
TKT_database));
GNUNET_free (db_lib_name);
@@ -593,8 +508,6 @@ cleanup()
GNUNET_SCHEDULER_cancel (update_task);
if (NULL != identity_handle)
GNUNET_IDENTITY_disconnect (identity_handle);
- if (NULL != gns_handle)
- GNUNET_GNS_disconnect (gns_handle);
if (NULL != nsh)
GNUNET_NAMESTORE_disconnect (nsh);
}
@@ -729,11 +642,11 @@ handle_issue_ticket_message (void *cls,
GNUNET_CONTAINER_DLL_insert (idp->issue_op_head,
idp->issue_op_tail,
tio);
- RECLAIM_TICKETS_issue_ticket (&im->identity,
- attrs,
- &im->rp,
- &issue_ticket_result_cb,
- tio);
+ RECLAIM_TICKETS_issue (&im->identity,
+ attrs,
+ &im->rp,
+ &issue_ticket_result_cb,
+ tio);
GNUNET_SERVICE_client_continue (idp->client);
GNUNET_RECLAIM_ATTRIBUTE_list_destroy (attrs);
}
@@ -1275,39 +1188,9 @@ handle_revoke_ticket_message (void *cls,
}
-/**
- * Cleanup ticket consume handle
- * @param handle the handle to clean up
- */
-static void
-cleanup_consume_ticket_handle (struct ConsumeTicketHandle *handle)
-{
- struct ParallelLookup *lu;
- struct ParallelLookup *tmp;
- if (NULL != handle->lookup_request)
- GNUNET_GNS_lookup_cancel (handle->lookup_request);
- for (lu = handle->parallel_lookups_head;
- NULL != lu;) {
- GNUNET_GNS_lookup_cancel (lu->lookup_request);
- GNUNET_free (lu->label);
- tmp = lu->next;
- GNUNET_CONTAINER_DLL_remove (handle->parallel_lookups_head,
- handle->parallel_lookups_tail,
- lu);
- GNUNET_free (lu);
- lu = tmp;
- }
-
- if (NULL != handle->attrs)
- GNUNET_RECLAIM_ATTRIBUTE_list_destroy (handle->attrs);
- GNUNET_free (handle);
-}
-
-
-
static int
-check_consume_ticket_message(void *cls,
- const struct ConsumeTicketMessage *cm)
+check_consume_ticket_message (void *cls,
+ const struct ConsumeTicketMessage *cm)
{
uint16_t size;
@@ -1321,239 +1204,68 @@ check_consume_ticket_message(void *cls,
}
static void
-process_parallel_lookup2 (void *cls, uint32_t rd_count,
- const struct GNUNET_GNSRECORD_Data *rd)
+consume_result_cb (void *cls,
+ const struct GNUNET_CRYPTO_EcdsaPublicKey *identity,
+ const struct GNUNET_RECLAIM_ATTRIBUTE_ClaimList *attrs,
+ uint32_t success,
+ const char *emsg)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Parallel lookup finished (count=%u)\n", rd_count);
- struct ParallelLookup *parallel_lookup = cls;
- struct ConsumeTicketHandle *handle = parallel_lookup->handle;
+ struct ConsumeTicketOperation *cop = cls;
struct ConsumeTicketResultMessage *crm;
struct GNUNET_MQ_Envelope *env;
- struct GNUNET_RECLAIM_ATTRIBUTE_ClaimListEntry *attr_le;
char *data_tmp;
size_t attrs_len;
-
- GNUNET_CONTAINER_DLL_remove (handle->parallel_lookups_head,
- handle->parallel_lookups_tail,
- parallel_lookup);
- GNUNET_free (parallel_lookup->label);
-
- GNUNET_STATISTICS_update (stats,
- "attribute_lookup_time_total",
- GNUNET_TIME_absolute_get_duration (parallel_lookup->lookup_start_time).rel_value_us,
- GNUNET_YES);
- GNUNET_STATISTICS_update (stats,
- "attribute_lookups_count",
- 1,
- GNUNET_YES);
-
-
- GNUNET_free (parallel_lookup);
- if (1 != rd_count)
- GNUNET_break(0);//TODO
- if (rd->record_type == GNUNET_GNSRECORD_TYPE_RECLAIM_ATTR)
+ if (GNUNET_OK != success)
{
- attr_le = GNUNET_new (struct GNUNET_RECLAIM_ATTRIBUTE_ClaimListEntry);
- attr_le->claim = GNUNET_RECLAIM_ATTRIBUTE_deserialize (rd->data,
- rd->data_size);
- GNUNET_CONTAINER_DLL_insert (handle->attrs->list_head,
- handle->attrs->list_tail,
- attr_le);
- }
- if (NULL != handle->parallel_lookups_head)
- return; //Wait for more
- /* Else we are done */
-
- /** Store ticket in DB
- * TODO: Store in GNS?
- */
- /**if (GNUNET_OK != TKT_database->store_ticket (TKT_database->cls,
- &handle->ticket,
- handle->attrs))
- {
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Unable to store ticket after consume\n");
- GNUNET_break (0);
- }*/
-
- GNUNET_SCHEDULER_cancel (handle->kill_task);
- attrs_len = GNUNET_RECLAIM_ATTRIBUTE_list_serialize_get_size (handle->attrs);
+ "Error consuming ticket: %s\n",
+ emsg);
+ }
+ attrs_len = GNUNET_RECLAIM_ATTRIBUTE_list_serialize_get_size (attrs);
env = GNUNET_MQ_msg_extra (crm,
attrs_len,
GNUNET_MESSAGE_TYPE_RECLAIM_CONSUME_TICKET_RESULT);
- crm->id = htonl (handle->r_id);
+ crm->id = htonl (cop->r_id);
crm->attrs_len = htons (attrs_len);
- crm->identity = handle->ticket.identity;
+ crm->identity = *identity;
+ crm->result = htonl (success);
data_tmp = (char *) &crm[1];
- GNUNET_RECLAIM_ATTRIBUTE_list_serialize (handle->attrs,
+ GNUNET_RECLAIM_ATTRIBUTE_list_serialize (attrs,
data_tmp);
- GNUNET_MQ_send (handle->client->mq, env);
- GNUNET_CONTAINER_DLL_remove (handle->client->consume_op_head,
- handle->client->consume_op_tail,
- handle);
- cleanup_consume_ticket_handle (handle);
-}
-
-void
-abort_parallel_lookups2 (void *cls)
-{
- struct ConsumeTicketHandle *handle = cls;
- struct ParallelLookup *lu;
- struct ParallelLookup *tmp;
- struct AttributeResultMessage *arm;
- struct GNUNET_MQ_Envelope *env;
-
- handle->kill_task = NULL;
- for (lu = handle->parallel_lookups_head;
- NULL != lu;) {
- GNUNET_GNS_lookup_cancel (lu->lookup_request);
- GNUNET_free (lu->label);
- tmp = lu->next;
- GNUNET_CONTAINER_DLL_remove (handle->parallel_lookups_head,
- handle->parallel_lookups_tail,
- lu);
- GNUNET_free (lu);
- lu = tmp;
- }
- env = GNUNET_MQ_msg (arm,
- GNUNET_MESSAGE_TYPE_RECLAIM_ATTRIBUTE_RESULT);
- arm->id = htonl (handle->r_id);
- arm->attr_len = htons (0);
- GNUNET_MQ_send (handle->client->mq, env);
-
-}
-
-
-static void
-process_attr_labels (void *cls, uint32_t rd_count,
- const struct GNUNET_GNSRECORD_Data *rd)
-{
- struct ConsumeTicketHandle *handle = cls;
- struct GNUNET_HashCode new_key_hash;
- struct GNUNET_CRYPTO_SymmetricSessionKey enc_key;
- struct GNUNET_CRYPTO_SymmetricInitializationVector enc_iv;
- struct GNUNET_CRYPTO_EcdhePublicKey *ecdh_key;
- struct ParallelLookup *parallel_lookup;
- size_t size;
- char *buf;
- char *attr_lbl;
- char *lbls;
-
- handle->lookup_request = NULL;
- if (1 != rd_count)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Number of keys %d != 1.",
- rd_count);
- cleanup_consume_ticket_handle (handle);
- GNUNET_CONTAINER_DLL_remove (handle->client->consume_op_head,
- handle->client->consume_op_tail,
- handle);
- GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
- return;
- }
-
- //Decrypt
- ecdh_key = (struct GNUNET_CRYPTO_EcdhePublicKey *)rd->data;
-
- buf = GNUNET_malloc (rd->data_size - sizeof (struct GNUNET_CRYPTO_EcdhePublicKey));
-
- //Calculate symmetric key from ecdh parameters
- GNUNET_assert (GNUNET_OK ==
- GNUNET_CRYPTO_ecdsa_ecdh (&handle->identity,
- ecdh_key,
- &new_key_hash));
- create_sym_key_from_ecdh (&new_key_hash,
- &enc_key,
- &enc_iv);
- size = GNUNET_CRYPTO_symmetric_decrypt (rd->data + sizeof (struct GNUNET_CRYPTO_EcdhePublicKey),
- rd->data_size - sizeof (struct GNUNET_CRYPTO_EcdhePublicKey),
- &enc_key,
- &enc_iv,
- buf);
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Decrypted bytes: %zd Expected bytes: %zd\n",
- size, rd->data_size - sizeof (struct GNUNET_CRYPTO_EcdhePublicKey));
- GNUNET_STATISTICS_update (stats,
- "reclaim_authz_lookup_time_total",
- GNUNET_TIME_absolute_get_duration (handle->lookup_start_time).rel_value_us,
- GNUNET_YES);
- GNUNET_STATISTICS_update (stats,
- "reclaim_authz_lookups_count",
- 1,
- GNUNET_YES);
- lbls = GNUNET_strdup (buf);
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Attributes found %s\n", lbls);
+ GNUNET_MQ_send (cop->client->mq, env);
+ GNUNET_CONTAINER_DLL_remove (cop->client->consume_op_head,
+ cop->client->consume_op_tail,
+ cop);
+ GNUNET_free (cop);
- for (attr_lbl = strtok (lbls, ",");
- NULL != attr_lbl;
- attr_lbl = strtok (NULL, ","))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Looking up %s\n", attr_lbl);
- parallel_lookup = GNUNET_new (struct ParallelLookup);
- parallel_lookup->handle = handle;
- parallel_lookup->label = GNUNET_strdup (attr_lbl);
- parallel_lookup->lookup_start_time = GNUNET_TIME_absolute_get();
- parallel_lookup->lookup_request
- = GNUNET_GNS_lookup (gns_handle,
- attr_lbl,
- &handle->ticket.identity,
- GNUNET_GNSRECORD_TYPE_RECLAIM_ATTR,
- GNUNET_GNS_LO_DEFAULT,
- &process_parallel_lookup2,
- parallel_lookup);
- GNUNET_CONTAINER_DLL_insert (handle->parallel_lookups_head,
- handle->parallel_lookups_tail,
- parallel_lookup);
- }
- GNUNET_free (lbls);
- GNUNET_free (buf);
- handle->kill_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MINUTES,3),
- &abort_parallel_lookups2,
- handle);
}
-
static void
handle_consume_ticket_message (void *cls,
const struct ConsumeTicketMessage *cm)
{
- struct ConsumeTicketHandle *ch;
+ struct ConsumeTicketOperation *cop;
+ struct GNUNET_RECLAIM_Ticket *ticket;
struct IdpClient *idp = cls;
- char* rnd_label;
-
- ch = GNUNET_new (struct ConsumeTicketHandle);
- ch->r_id = ntohl (cm->id);
- ch->client = idp;
- ch->identity = cm->identity;
- ch->attrs = GNUNET_new (struct GNUNET_RECLAIM_ATTRIBUTE_ClaimList);
- GNUNET_CRYPTO_ecdsa_key_get_public (&ch->identity,
- &ch->identity_pub);
- ch->ticket = *((struct GNUNET_RECLAIM_Ticket*)&cm[1]);
- rnd_label = GNUNET_STRINGS_data_to_string_alloc (&ch->ticket.rnd,
- sizeof (uint64_t));
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Looking for ABE key under %s\n", rnd_label);
- ch->lookup_start_time = GNUNET_TIME_absolute_get ();
- ch->lookup_request
- = GNUNET_GNS_lookup (gns_handle,
- rnd_label,
- &ch->ticket.identity,
- GNUNET_GNSRECORD_TYPE_RECLAIM_AUTHZ,
- GNUNET_GNS_LO_DEFAULT,
- &process_attr_labels,
- ch);
+
+ cop = GNUNET_new (struct ConsumeTicketOperation);
+ cop->r_id = ntohl (cm->id);
+ cop->client = idp;
+ ticket = (struct GNUNET_RECLAIM_Ticket*)&cm[1];
+ cop->ch = RECLAIM_TICKETS_consume (&cm->identity,
+ ticket,
+ &consume_result_cb,
+ cop);
GNUNET_CONTAINER_DLL_insert (idp->consume_op_head,
idp->consume_op_tail,
- ch);
- GNUNET_free (rnd_label);
+ cop);
GNUNET_SERVICE_client_continue (idp->client);
}
+/*****************************************
+ * Attribute store
+ *****************************************/
+
/**
* Cleanup attribute store handle
*
@@ -1694,6 +1406,10 @@ handle_attribute_store_message (void *cls,
GNUNET_SCHEDULER_add_now (&attr_store_task, ash);
}
+/*************************************************
+ * Attrubute iteration
+ *************************************************/
+
static void
cleanup_attribute_iter_handle (struct AttributeIterator *ai)
{
@@ -1856,6 +1572,10 @@ handle_iteration_next (void *cls,
GNUNET_SERVICE_client_continue (idp->client);
}
+/******************************************************
+ * Ticket iteration
+ ******************************************************/
+
static void
ticket_iter_cb (void *cls,
struct GNUNET_RECLAIM_Ticket *ticket)
@@ -1979,7 +1699,6 @@ run (void *cls,
char *database;
cfg = c;
- stats = GNUNET_STATISTICS_create ("reclaim", cfg);
if (GNUNET_OK != RECLAIM_TICKETS_init (cfg))
{
@@ -1995,11 +1714,6 @@ run (void *cls,
GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "error connecting to namestore");
}
- gns_handle = GNUNET_GNS_connect (cfg);
- if (NULL == gns_handle)
- {
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "error connecting to gns");
- }
identity_handle = GNUNET_IDENTITY_connect (cfg,
NULL,
NULL);
@@ -2060,7 +1774,7 @@ client_disconnect_cb (void *cls,
struct TicketIteration *ti;
struct TicketRevocationHandle *rh;
struct TicketIssueOperation *iss;
- struct ConsumeTicketHandle *ct;
+ struct ConsumeTicketOperation *ct;
struct AttributeStoreHandle *as;
//TODO other operations
@@ -2081,7 +1795,9 @@ client_disconnect_cb (void *cls,
GNUNET_CONTAINER_DLL_remove (idp->consume_op_head,
idp->consume_op_tail,
ct);
- cleanup_consume_ticket_handle (ct);
+ if (NULL != ct->ch)
+ RECLAIM_TICKETS_consume_cancel (ct->ch);
+ GNUNET_free (ct);
}
while (NULL != (as = idp->store_op_head))
{
diff --git a/src/reclaim/gnunet-service-reclaim_tickets.c b/src/reclaim/gnunet-service-reclaim_tickets.c
index 033684f71..a39a4be5a 100644
--- a/src/reclaim/gnunet-service-reclaim_tickets.c
+++ b/src/reclaim/gnunet-service-reclaim_tickets.c
@@ -26,6 +26,94 @@
*/
#include "gnunet-service-reclaim_tickets.h"
+struct ParallelLookup;
+
+struct RECLAIM_TICKETS_ConsumeHandle
+{
+ /**
+ * Ticket
+ */
+ struct GNUNET_RECLAIM_Ticket ticket;
+
+ /**
+ * LookupRequest
+ */
+ struct GNUNET_GNS_LookupRequest *lookup_request;
+
+ /**
+ * Audience Key
+ */
+ struct GNUNET_CRYPTO_EcdsaPrivateKey identity;
+
+ /**
+ * Audience Key
+ */
+ struct GNUNET_CRYPTO_EcdsaPublicKey identity_pub;
+
+ /**
+ * Lookup DLL
+ */
+ struct ParallelLookup *parallel_lookups_head;
+
+ /**
+ * Lookup DLL
+ */
+ struct ParallelLookup *parallel_lookups_tail;
+
+ /**
+ * Kill task
+ */
+ struct GNUNET_SCHEDULER_Task *kill_task;
+
+ /**
+ * Attributes
+ */
+ struct GNUNET_RECLAIM_ATTRIBUTE_ClaimList *attrs;
+
+ /**
+ * Lookup time
+ */
+ struct GNUNET_TIME_Absolute lookup_start_time;
+
+ /**
+ * Callback
+ */
+ RECLAIM_TICKETS_ConsumeCallback cb;
+
+ /**
+ * Callbacl closure
+ */
+ void *cb_cls;
+
+};
+
+/**
+ * Handle for a parallel GNS lookup job
+ */
+struct ParallelLookup
+{
+ /* DLL */
+ struct ParallelLookup *next;
+
+ /* DLL */
+ struct ParallelLookup *prev;
+
+ /* The GNS request */
+ struct GNUNET_GNS_LookupRequest *lookup_request;
+
+ /* The handle the return to */
+ struct RECLAIM_TICKETS_ConsumeHandle *handle;
+
+ /**
+ * Lookup time
+ */
+ struct GNUNET_TIME_Absolute lookup_start_time;
+
+ /* The label to look up */
+ char *label;
+};
+
+
/**
* A reference to a ticket stored in GNS
*/
@@ -146,8 +234,295 @@ struct RECLAIM_TICKETS_Iterator
struct TicketReference *tickets_tail;
};
+/* Namestore handle */
static struct GNUNET_NAMESTORE_Handle *nsh;
+/* GNS handle */
+static struct GNUNET_GNS_Handle *gns;
+
+/* Handle to the statistics service */
+static struct GNUNET_STATISTICS_Handle *stats;
+
+static int
+create_sym_key_from_ecdh (const struct GNUNET_HashCode *new_key_hash,
+ struct GNUNET_CRYPTO_SymmetricSessionKey *skey,
+ struct GNUNET_CRYPTO_SymmetricInitializationVector *iv)
+{
+ struct GNUNET_CRYPTO_HashAsciiEncoded new_key_hash_str;
+
+ GNUNET_CRYPTO_hash_to_enc (new_key_hash,
+ &new_key_hash_str);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Creating symmetric rsa key from %s\n", (char*)&new_key_hash_str);
+ static const char ctx_key[] = "gnuid-aes-ctx-key";
+ GNUNET_CRYPTO_kdf (skey, sizeof (struct GNUNET_CRYPTO_SymmetricSessionKey),
+ new_key_hash, sizeof (struct GNUNET_HashCode),
+ ctx_key, strlen (ctx_key),
+ NULL, 0);
+ static const char ctx_iv[] = "gnuid-aes-ctx-iv";
+ GNUNET_CRYPTO_kdf (iv, sizeof (struct GNUNET_CRYPTO_SymmetricInitializationVector),
+ new_key_hash, sizeof (struct GNUNET_HashCode),
+ ctx_iv, strlen (ctx_iv),
+ NULL, 0);
+ return GNUNET_OK;
+}
+
+
+/**
+ * Cleanup ticket consume handle
+ * @param cth the handle to clean up
+ */
+static void
+cleanup_cth (struct RECLAIM_TICKETS_ConsumeHandle *cth)
+{
+ struct ParallelLookup *lu;
+ struct ParallelLookup *tmp;
+ if (NULL != cth->lookup_request)
+ GNUNET_GNS_lookup_cancel (cth->lookup_request);
+ for (lu = cth->parallel_lookups_head;
+ NULL != lu;) {
+ GNUNET_GNS_lookup_cancel (lu->lookup_request);
+ GNUNET_free (lu->label);
+ tmp = lu->next;
+ GNUNET_CONTAINER_DLL_remove (cth->parallel_lookups_head,
+ cth->parallel_lookups_tail,
+ lu);
+ GNUNET_free (lu);
+ lu = tmp;
+ }
+
+ if (NULL != cth->attrs)
+ GNUNET_RECLAIM_ATTRIBUTE_list_destroy (cth->attrs);
+ GNUNET_free (cth);
+}
+
+
+static void
+process_parallel_lookup_result (void *cls,
+ uint32_t rd_count,
+ const struct GNUNET_GNSRECORD_Data *rd)
+{
+ struct ParallelLookup *parallel_lookup = cls;
+ struct RECLAIM_TICKETS_ConsumeHandle *cth = parallel_lookup->handle;
+ struct GNUNET_RECLAIM_ATTRIBUTE_ClaimListEntry *attr_le;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Parallel lookup finished (count=%u)\n", rd_count);
+
+ GNUNET_CONTAINER_DLL_remove (cth->parallel_lookups_head,
+ cth->parallel_lookups_tail,
+ parallel_lookup);
+ GNUNET_free (parallel_lookup->label);
+
+ GNUNET_STATISTICS_update (stats,
+ "attribute_lookup_time_total",
+ GNUNET_TIME_absolute_get_duration (parallel_lookup->lookup_start_time).rel_value_us,
+ GNUNET_YES);
+ GNUNET_STATISTICS_update (stats,
+ "attribute_lookups_count",
+ 1,
+ GNUNET_YES);
+
+
+ GNUNET_free (parallel_lookup);
+ if (1 != rd_count)
+ GNUNET_break(0);//TODO
+ if (rd->record_type == GNUNET_GNSRECORD_TYPE_RECLAIM_ATTR)
+ {
+ attr_le = GNUNET_new (struct GNUNET_RECLAIM_ATTRIBUTE_ClaimListEntry);
+ attr_le->claim = GNUNET_RECLAIM_ATTRIBUTE_deserialize (rd->data,
+ rd->data_size);
+ GNUNET_CONTAINER_DLL_insert (cth->attrs->list_head,
+ cth->attrs->list_tail,
+ attr_le);
+ }
+ if (NULL != cth->parallel_lookups_head)
+ return; //Wait for more
+ /* Else we are done */
+
+ GNUNET_SCHEDULER_cancel (cth->kill_task);
+ cth->cb (cth->cb_cls,
+ &cth->ticket.identity,
+ cth->attrs,
+ GNUNET_OK,
+ NULL);
+ cleanup_cth (cth);
+}
+
+
+static void
+abort_parallel_lookups (void *cls)
+{
+ struct RECLAIM_TICKETS_ConsumeHandle *cth = cls;
+ struct ParallelLookup *lu;
+ struct ParallelLookup *tmp;
+
+ cth->kill_task = NULL;
+ for (lu = cth->parallel_lookups_head;
+ NULL != lu;) {
+ GNUNET_GNS_lookup_cancel (lu->lookup_request);
+ GNUNET_free (lu->label);
+ tmp = lu->next;
+ GNUNET_CONTAINER_DLL_remove (cth->parallel_lookups_head,
+ cth->parallel_lookups_tail,
+ lu);
+ GNUNET_free (lu);
+ lu = tmp;
+ }
+ cth->cb (cth->cb_cls,
+ NULL,
+ NULL,
+ GNUNET_SYSERR,
+ "Aborted");
+
+}
+
+
+
+static void
+lookup_authz_cb (void *cls,
+ uint32_t rd_count,
+ const struct GNUNET_GNSRECORD_Data *rd)
+{
+ struct RECLAIM_TICKETS_ConsumeHandle *cth = cls;
+ struct GNUNET_HashCode new_key_hash;
+ struct GNUNET_CRYPTO_SymmetricSessionKey enc_key;
+ struct GNUNET_CRYPTO_SymmetricInitializationVector enc_iv;
+ struct GNUNET_CRYPTO_EcdhePublicKey *ecdh_key;
+ struct ParallelLookup *parallel_lookup;
+ size_t size;
+ char *buf;
+ char *attr_lbl;
+ char *lbls;
+
+ cth->lookup_request = NULL;
+ if (1 != rd_count)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Number of keys %d != 1.",
+ rd_count);
+ cth->cb (cth->cb_cls,
+ NULL,
+ NULL,
+ GNUNET_SYSERR,
+ "Number of keys %d != 1.");
+ cleanup_cth (cth);
+ return;
+ }
+
+ //Decrypt
+ ecdh_key = (struct GNUNET_CRYPTO_EcdhePublicKey *)rd->data;
+
+ buf = GNUNET_malloc (rd->data_size
+ - sizeof (struct GNUNET_CRYPTO_EcdhePublicKey));
+
+ //Calculate symmetric key from ecdh parameters
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_CRYPTO_ecdsa_ecdh (&cth->identity,
+ ecdh_key,
+ &new_key_hash));
+ create_sym_key_from_ecdh (&new_key_hash,
+ &enc_key,
+ &enc_iv);
+ size = GNUNET_CRYPTO_symmetric_decrypt (rd->data
+ + sizeof (struct GNUNET_CRYPTO_EcdhePublicKey),
+ rd->data_size
+ - sizeof (struct GNUNET_CRYPTO_EcdhePublicKey),
+ &enc_key,
+ &enc_iv,
+ buf);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Decrypted bytes: %zd Expected bytes: %zd\n",
+ size,
+ rd->data_size - sizeof (struct GNUNET_CRYPTO_EcdhePublicKey));
+ GNUNET_STATISTICS_update (stats,
+ "reclaim_authz_lookup_time_total",
+ GNUNET_TIME_absolute_get_duration (cth->lookup_start_time).rel_value_us,
+ GNUNET_YES);
+ GNUNET_STATISTICS_update (stats,
+ "reclaim_authz_lookups_count",
+ 1,
+ GNUNET_YES);
+ lbls = GNUNET_strdup (buf);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Attributes found %s\n", lbls);
+
+ for (attr_lbl = strtok (lbls, ",");
+ NULL != attr_lbl;
+ attr_lbl = strtok (NULL, ","))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Looking up %s\n", attr_lbl);
+ parallel_lookup = GNUNET_new (struct ParallelLookup);
+ parallel_lookup->handle = cth;
+ parallel_lookup->label = GNUNET_strdup (attr_lbl);
+ parallel_lookup->lookup_start_time = GNUNET_TIME_absolute_get();
+ parallel_lookup->lookup_request
+ = GNUNET_GNS_lookup (gns,
+ attr_lbl,
+ &cth->ticket.identity,
+ GNUNET_GNSRECORD_TYPE_RECLAIM_ATTR,
+ GNUNET_GNS_LO_DEFAULT,
+ &process_parallel_lookup_result,
+ parallel_lookup);
+ GNUNET_CONTAINER_DLL_insert (cth->parallel_lookups_head,
+ cth->parallel_lookups_tail,
+ parallel_lookup);
+ }
+ GNUNET_free (lbls);
+ GNUNET_free (buf);
+ cth->kill_task = GNUNET_SCHEDULER_add_delayed (
+ GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MINUTES,3),
+ &abort_parallel_lookups,
+ cth);
+}
+
+
+
+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)
+{
+ struct RECLAIM_TICKETS_ConsumeHandle *cth;
+ char *label;
+ cth = GNUNET_new (struct RECLAIM_TICKETS_ConsumeHandle);
+
+ cth->identity = *id;
+ GNUNET_CRYPTO_ecdsa_key_get_public (&cth->identity,
+ &cth->identity_pub);
+ cth->attrs = GNUNET_new (struct GNUNET_RECLAIM_ATTRIBUTE_ClaimList);
+ cth->ticket = *ticket;
+ cth->cb = cb;
+ cth->cb_cls = cb_cls;
+ label = GNUNET_STRINGS_data_to_string_alloc (&cth->ticket.rnd,
+ sizeof (uint64_t));
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Looking for AuthZ info under %s\n", label);
+ cth->lookup_start_time = GNUNET_TIME_absolute_get ();
+ cth->lookup_request = GNUNET_GNS_lookup (gns,
+ label,
+ &cth->ticket.identity,
+ GNUNET_GNSRECORD_TYPE_RECLAIM_AUTHZ,
+ GNUNET_GNS_LO_DEFAULT,
+ &lookup_authz_cb,
+ cth);
+ GNUNET_free (label);
+ return cth;
+}
+
+void
+RECLAIM_TICKETS_consume_cancel (struct RECLAIM_TICKETS_ConsumeHandle *cth)
+{
+ cleanup_cth (cth);
+ return;
+}
+
+
+/*******************************
+ * Ticket issue
+ *******************************/
+
/**
* Cleanup ticket consume handle
* @param handle the handle to clean up
@@ -325,29 +700,6 @@ store_ticket_issue_cont (void *cls,
handle);
}
-static int
-create_sym_key_from_ecdh (const struct GNUNET_HashCode *new_key_hash,
- struct GNUNET_CRYPTO_SymmetricSessionKey *skey,
- struct GNUNET_CRYPTO_SymmetricInitializationVector *iv)
-{
- struct GNUNET_CRYPTO_HashAsciiEncoded new_key_hash_str;
-
- GNUNET_CRYPTO_hash_to_enc (new_key_hash,
- &new_key_hash_str);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Creating symmetric rsa key from %s\n", (char*)&new_key_hash_str);
- static const char ctx_key[] = "gnuid-aes-ctx-key";
- GNUNET_CRYPTO_kdf (skey, sizeof (struct GNUNET_CRYPTO_SymmetricSessionKey),
- new_key_hash, sizeof (struct GNUNET_HashCode),
- ctx_key, strlen (ctx_key),
- NULL, 0);
- static const char ctx_iv[] = "gnuid-aes-ctx-iv";
- GNUNET_CRYPTO_kdf (iv, sizeof (struct GNUNET_CRYPTO_SymmetricInitializationVector),
- new_key_hash, sizeof (struct GNUNET_HashCode),
- ctx_iv, strlen (ctx_iv),
- NULL, 0);
- return GNUNET_OK;
-}
-
static int
serialize_authz_record (const struct GNUNET_RECLAIM_Ticket *ticket,
@@ -459,11 +811,11 @@ issue_ticket (struct TicketIssueHandle *ih)
void
-RECLAIM_TICKETS_issue_ticket (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)
+RECLAIM_TICKETS_issue (const struct GNUNET_CRYPTO_EcdsaPrivateKey *identity,
+ const struct GNUNET_RECLAIM_ATTRIBUTE_ClaimList *attrs,
+ const struct GNUNET_CRYPTO_EcdsaPublicKey *audience,
+ RECLAIM_TICKETS_TicketResult cb,
+ void* cb_cls)
{
struct TicketIssueHandle *tih;
tih = GNUNET_new (struct TicketIssueHandle);
@@ -480,6 +832,9 @@ RECLAIM_TICKETS_issue_ticket (const struct GNUNET_CRYPTO_EcdsaPrivateKey *identi
issue_ticket (tih);
}
+/************************************
+ * Ticket iteration
+ ************************************/
static void
cleanup_iter (struct RECLAIM_TICKETS_Iterator *iter)
@@ -536,10 +891,10 @@ run_ticket_iteration_round (struct RECLAIM_TICKETS_Iterator *iter)
static void
collect_tickets_cb (void *cls,
- const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone,
- const char *label,
- unsigned int rd_count,
- const struct GNUNET_GNSRECORD_Data *rd)
+ const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone,
+ const char *label,
+ unsigned int rd_count,
+ const struct GNUNET_GNSRECORD_Data *rd)
{
struct RECLAIM_TICKETS_Iterator *iter = cls;
struct TicketReference *tr;
@@ -628,10 +983,18 @@ RECLAIM_TICKETS_init (const struct GNUNET_CONFIGURATION_Handle *c)
nsh = GNUNET_NAMESTORE_connect (c);
if (NULL == nsh)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Error connecting to namestore\n");
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR,
+ "error connecting to namestore");
return GNUNET_SYSERR;
}
+ gns = GNUNET_GNS_connect (c);
+ if (NULL == gns)
+ {
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR,
+ "error connecting to gns");
+ return GNUNET_SYSERR;
+ }
+ stats = GNUNET_STATISTICS_create ("reclaim", c);
return GNUNET_OK;
}
@@ -641,4 +1004,12 @@ RECLAIM_TICKETS_deinit (void)
if (NULL != nsh)
GNUNET_NAMESTORE_disconnect (nsh);
nsh = NULL;
+ if (NULL != gns)
+ GNUNET_GNS_disconnect (gns);
+ gns = NULL;
+ if (NULL != stats)
+ {
+ GNUNET_STATISTICS_destroy (stats, GNUNET_NO);
+ stats = NULL;
+ }
}
diff --git a/src/reclaim/gnunet-service-reclaim_tickets.h b/src/reclaim/gnunet-service-reclaim_tickets.h
index 81455fe53..43bb902fd 100644
--- a/src/reclaim/gnunet-service-reclaim_tickets.h
+++ b/src/reclaim/gnunet-service-reclaim_tickets.h
@@ -17,6 +17,17 @@
SPDX-License-Identifier: AGPL3.0-or-later
*/
+
+/**
+ * @author Martin Schanzenbach
+ * @file src/reclaim/gnunet-service-reclaim_tickets.h
+ * @brief reclaim tickets
+ *
+ */
+
+#ifndef GNUNET_SERVICE_RECLAIM_TICKETS_H
+#define GNUNET_SERVICE_RECLAIM_TICKETS_H
+
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_constants.h"
@@ -31,6 +42,7 @@
#include "reclaim.h"
struct RECLAIM_TICKETS_Iterator;
+struct RECLAIM_TICKETS_ConsumeHandle;
/**
* Continuation called with ticket.
@@ -59,14 +71,24 @@ typedef void
const char *emsg);
-/**
- * @author Martin Schanzenbach
- * @file src/reclaim/gnunet-service-reclaim_tickets.h
- * @brief reclaim tickets
- *
- */
+typedef void
+(*RECLAIM_TICKETS_ConsumeCallback) (void *cls,
+ const struct GNUNET_CRYPTO_EcdsaPublicKey *identity,
+ const struct GNUNET_RECLAIM_ATTRIBUTE_ClaimList *l,
+ uint32_t success,
+ const char *emsg);
+
+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);
+
void
-RECLAIM_TICKETS_issue_ticket (const struct GNUNET_CRYPTO_EcdsaPrivateKey *identity,
+RECLAIM_TICKETS_consume_cancel (struct RECLAIM_TICKETS_ConsumeHandle *cth);
+
+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,
@@ -91,4 +113,4 @@ RECLAIM_TICKETS_init (const struct GNUNET_CONFIGURATION_Handle *c);
void
RECLAIM_TICKETS_deinit (void);
-
+#endif
diff --git a/src/reclaim/reclaim.h b/src/reclaim/reclaim.h
index cff12c6e4..c29902ab1 100644
--- a/src/reclaim/reclaim.h
+++ b/src/reclaim/reclaim.h
@@ -382,6 +382,11 @@ struct ConsumeTicketResultMessage
uint32_t id GNUNET_PACKED;
/**
+ * Result
+ */
+ uint32_t result GNUNET_PACKED;
+
+ /**
* Length of serialized attribute data
*/
uint16_t attrs_len GNUNET_PACKED;