#include "gnunet_identity_service.h"
#include "gnunet_gnsrecord_lib.h"
#include "gnunet_namestore_service.h"
+#include "gnunet_abe_lib.h"
#include "gnunet_credential_service.h"
#include "gnunet_statistics_service.h"
#include "gnunet_gns_service.h"
+#include "gnunet_identity_provider_plugin.h"
+#include "gnunet_identity_attribute_lib.h"
#include "gnunet_signatures.h"
#include "identity_provider.h"
-#include "identity_token.h"
-#include "identity_attribute.h"
-#include <inttypes.h>
/**
* First pass state
*/
static struct GNUNET_IDENTITY_Handle *identity_handle;
+/**
+ * Database handle
+ */
+static struct GNUNET_IDENTITY_PROVIDER_PluginFunctions *TKT_database;
+
+/**
+ * Name of DB plugin
+ */
+static char *db_lib_name;
+
/**
* Token expiration interval
*/
*/
struct IdpClient;
+/**
+ * A ticket iteration operation.
+ */
+struct TicketIteration
+{
+ /**
+ * DLL
+ */
+ struct TicketIteration *next;
+
+ /**
+ * DLL
+ */
+ struct TicketIteration *prev;
+
+ /**
+ * Client which intiated this zone iteration
+ */
+ struct IdpClient *client;
+
+ /**
+ * Key of the identity we are iterating over.
+ */
+ struct GNUNET_CRYPTO_EcdsaPublicKey identity;
+
+ /**
+ * Identity is audience
+ */
+ uint32_t is_audience;
+
+ /**
+ * The operation id fot the iteration in the response for the client
+ */
+ uint32_t r_id;
+
+ /**
+ * Offset of the iteration used to address next result of the
+ * iteration in the store
+ *
+ * Initialy set to 0 in handle_iteration_start
+ * Incremented with by every call to handle_iteration_next
+ */
+ uint32_t offset;
+
+};
+
+
+
/**
* Callback after an ABE bootstrap
*
*/
typedef void
(*AbeBootstrapResult) (void *cls,
- struct GNUNET_CRYPTO_AbeMasterKey *abe_key);
+ struct GNUNET_ABE_AbeMasterKey *abe_key);
struct AbeBootstrapHandle
/**
* The issuer egos ABE master key
*/
- struct GNUNET_CRYPTO_AbeMasterKey *abe_key;
+ struct GNUNET_ABE_AbeMasterKey *abe_key;
};
/**
/**
* The issuer egos ABE master key
*/
- struct GNUNET_CRYPTO_AbeMasterKey *abe_key;
+ struct GNUNET_ABE_AbeMasterKey *abe_key;
/**
* Namestore iterator
* in progress initiated by this client
*/
struct AttributeIterator *op_tail;
+
+ /**
+ * Head of DLL of ticket iteration ops
+ */
+ struct TicketIteration *ticket_iter_head;
+
+ /**
+ * Tail of DLL of ticket iteration ops
+ */
+ struct TicketIteration *ticket_iter_tail;
+
+
+ /**
+ * Head of DLL of ticket revocation ops
+ */
+ struct TicketRevocationHandle *revocation_list_head;
+
+ /**
+ * Tail of DLL of ticket revocation ops
+ */
+ struct TicketRevocationHandle *revocation_list_tail;
};
/**
* The issuer egos ABE master key
*/
- struct GNUNET_CRYPTO_AbeMasterKey *abe_key;
+ struct GNUNET_ABE_AbeMasterKey *abe_key;
/**
* QueueEntry
/**
* The attribute to store
*/
- struct GNUNET_IDENTITY_PROVIDER_Attribute *attribute;
+ struct GNUNET_IDENTITY_ATTRIBUTE_Claim *claim;
/**
* request id
};
-
-struct VerifiedAttributeEntry
-{
- /**
- * DLL
- */
- struct VerifiedAttributeEntry *prev;
-
- /**
- * DLL
- */
- struct VerifiedAttributeEntry *next;
-
- /**
- * Attribute Name
- */
- char* name;
-};
-
+/* Prototype */
struct ParallelLookup;
-struct ParallelLookup2;
struct ConsumeTicketHandle
{
/**
* Ticket
*/
- struct GNUNET_IDENTITY_PROVIDER_Ticket2 ticket;
+ struct GNUNET_IDENTITY_PROVIDER_Ticket ticket;
/**
* LookupRequest
struct GNUNET_CRYPTO_EcdsaPublicKey identity_pub;
/**
- * ParallelLookups DLL
- */
- struct ParallelLookup2 *parallel_lookups_head;
- struct ParallelLookup2 *parallel_lookups_tail;
-
- struct GNUNET_SCHEDULER_Task *kill_task;
- struct GNUNET_CRYPTO_AbeKey *key;
-
- /**
- * request id
- */
- uint32_t r_id;
-};
-
-struct ParallelLookup2
-{
- struct ParallelLookup2 *next;
-
- struct ParallelLookup2 *prev;
-
- struct GNUNET_GNS_LookupRequest *lookup_request;
-
- struct ConsumeTicketHandle *handle;
-
- char *label;
-};
-
-
-struct ExchangeHandle
-{
-
- /**
- * Client connection
+ * Lookup DLL
*/
- struct IdpClient *client;
+ struct ParallelLookup *parallel_lookups_head;
/**
- * Ticket
+ * Lookup DLL
*/
- struct TokenTicket *ticket;
-
+ struct ParallelLookup *parallel_lookups_tail;
+
/**
- * Token returned
+ * Kill task
*/
- struct IdentityToken *token;
+ struct GNUNET_SCHEDULER_Task *kill_task;
/**
- * LookupRequest
+ * The ABE key
*/
- struct GNUNET_GNS_LookupRequest *lookup_request;
+ struct GNUNET_ABE_AbeKey *key;
/**
- * Audience Key
- */
- struct GNUNET_CRYPTO_EcdsaPrivateKey aud_privkey;
-
- /**
- * ParallelLookups DLL
+ * Attributes
*/
- struct ParallelLookup *parallel_lookups_head;
- struct ParallelLookup *parallel_lookups_tail;
+ struct GNUNET_IDENTITY_ATTRIBUTE_ClaimList *attrs;
- struct GNUNET_SCHEDULER_Task *kill_task;
- struct GNUNET_CRYPTO_AbeKey *key;
-
/**
- * Label to return
+ * Lookup time
*/
- char *label;
-
+ 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;
- struct ExchangeHandle *handle;
-
- char *label;
-};
-
-
-struct TicketIssueHandle
-{
+ /* The handle the return to */
+ struct ConsumeTicketHandle *handle;
/**
- * Client connection
+ * Lookup time
*/
- struct IdpClient *client;
+ struct GNUNET_TIME_Absolute lookup_start_time;
- /**
- * Attributes to issue
- */
- struct GNUNET_IDENTITY_PROVIDER_AttributeList *attrs;
+ /* The label to look up */
+ char *label;
+};
+/**
+ * Ticket revocation request handle
+ */
+struct TicketRevocationHandle
+{
/**
- * Issuer Key
+ * DLL
*/
- struct GNUNET_CRYPTO_EcdsaPrivateKey identity;
+ struct TicketRevocationHandle *next;
/**
- * Ticket to issue
+ * DLL
*/
- struct GNUNET_IDENTITY_PROVIDER_Ticket2 ticket;
+ struct TicketRevocationHandle *prev;
/**
- * QueueEntry
+ * Client connection
*/
- struct GNUNET_NAMESTORE_QueueEntry *ns_qe;
+ struct IdpClient *client;
/**
- * request id
+ * Attributes to reissue
*/
- uint32_t r_id;
-};
-
-
-/**
- * DEPRECATED
- */
-struct IssueHandle
-{
+ struct GNUNET_IDENTITY_ATTRIBUTE_ClaimList *attrs;
/**
- * Client connection
+ * Attributes to revoke
*/
- struct IdpClient *client;
+ struct GNUNET_IDENTITY_ATTRIBUTE_ClaimList *rvk_attrs;
/**
* Issuer Key
*/
- struct GNUNET_CRYPTO_EcdsaPrivateKey iss_key;
+ struct GNUNET_CRYPTO_EcdsaPrivateKey identity;
/**
- * Issue pubkey
+ * Ticket to issue
*/
- struct GNUNET_CRYPTO_EcdsaPublicKey iss_pkey;
+ struct GNUNET_IDENTITY_PROVIDER_Ticket ticket;
/**
- * Audience Key
+ * QueueEntry
*/
- struct GNUNET_CRYPTO_EcdsaPublicKey aud_key;
+ struct GNUNET_NAMESTORE_QueueEntry *ns_qe;
/**
- * The issuer egos ABE master key
+ * Namestore iterator
*/
- struct GNUNET_CRYPTO_AbeMasterKey *abe_key;
+ struct GNUNET_NAMESTORE_ZoneIterator *ns_it;
/**
- * Expiration
+ * The ABE master key
*/
- struct GNUNET_TIME_Absolute expiration;
+ struct GNUNET_ABE_AbeMasterKey *abe_key;
/**
- * Scopes
+ * Offset
*/
- char *scopes;
+ uint32_t offset;
/**
- * DLL
+ * request id
*/
- struct VerifiedAttributeEntry *v_attr_head;
+ uint32_t r_id;
+};
- /**
- * DLL
- */
- struct VerifiedAttributeEntry *v_attr_tail;
- /**
- * nonce
- */
- uint64_t nonce;
- /**
- * NS iterator
- */
- struct GNUNET_NAMESTORE_ZoneIterator *ns_it;
+/**
+ * Ticket issue request handle
+ */
+struct TicketIssueHandle
+{
/**
- * Cred request
+ * Client connection
*/
- struct GNUNET_CREDENTIAL_Request *credential_request;
+ struct IdpClient *client;
/**
- * Attribute map
+ * Attributes to issue
*/
- struct GNUNET_CONTAINER_MultiHashMap *attr_map;
+ struct GNUNET_IDENTITY_ATTRIBUTE_ClaimList *attrs;
/**
- * Token
+ * Issuer Key
*/
- struct IdentityToken *token;
+ struct GNUNET_CRYPTO_EcdsaPrivateKey identity;
/**
- * Ticket
+ * Ticket to issue
*/
- struct TokenTicket *ticket;
+ struct GNUNET_IDENTITY_PROVIDER_Ticket ticket;
/**
* QueueEntry
*/
struct GNUNET_NAMESTORE_QueueEntry *ns_qe;
- /**
- * The label the token is stored under
- */
- char *label;
-
/**
* request id
*/
uint32_t r_id;
};
+
/**
* DLL for ego handles to egos containing the ID_ATTRS in a map in json_t format
*
GNUNET_STATISTICS_destroy (stats, GNUNET_NO);
stats = NULL;
}
-
+ GNUNET_break (NULL == GNUNET_PLUGIN_unload (db_lib_name,
+ TKT_database));
+ GNUNET_free (db_lib_name);
+ db_lib_name = NULL;
if (NULL != timeout_task)
GNUNET_SCHEDULER_cancel (timeout_task);
if (NULL != update_task)
GNUNET_NAMESTORE_cancel (ns_qe);
if (NULL != ns_handle)
GNUNET_NAMESTORE_disconnect (ns_handle);
- if (NULL != token)
- GNUNET_free (token);
- if (NULL != label)
- GNUNET_free (label);
+ GNUNET_free_non_null (token);
+ GNUNET_free_non_null (label);
}
* Shutdown task
*
* @param cls NULL
- * @param tc task context
*/
static void
do_shutdown (void *cls)
{
struct AbeBootstrapHandle *abh = cls;
struct GNUNET_GNSRECORD_Data rd[1];
+ char *key;
- rd[0].data_size = GNUNET_CRYPTO_cpabe_serialize_master_key (abh->abe_key,
- (void**)&rd[0].data);
+ rd[0].data_size = GNUNET_ABE_cpabe_serialize_master_key (abh->abe_key,
+ (void**)&key);
+ rd[0].data = key;
rd[0].record_type = GNUNET_GNSRECORD_TYPE_ABE_MASTER;
rd[0].flags = GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION | GNUNET_GNSRECORD_RF_PRIVATE;
rd[0].expiration_time = GNUNET_TIME_UNIT_HOURS.rel_value_us; //TODO sane?
rd,
&bootstrap_store_cont,
abh);
+ GNUNET_free (key);
}
/**
const struct GNUNET_GNSRECORD_Data *rd)
{
struct AbeBootstrapHandle *abh = cls;
- struct GNUNET_CRYPTO_AbeMasterKey *abe_key;
- int i;
+ struct GNUNET_ABE_AbeMasterKey *abe_key;
- for (i=0;i<rd_count;i++) {
+ for (uint32_t i=0;i<rd_count;i++) {
if (GNUNET_GNSRECORD_TYPE_ABE_MASTER != rd[i].record_type)
continue;
- abe_key = GNUNET_CRYPTO_cpabe_deserialize_master_key ((void**)rd[i].data,
+ abe_key = GNUNET_ABE_cpabe_deserialize_master_key (rd[i].data,
rd[i].data_size);
abh->proc (abh->proc_cls, abe_key);
GNUNET_free (abh);
}
//No ABE master found, bootstrapping...
- abh->abe_key = GNUNET_CRYPTO_cpabe_create_master_key ();
+ abh->abe_key = GNUNET_ABE_cpabe_create_master_key ();
GNUNET_SCHEDULER_add_now (&bootstrap_store_task, abh);
}
/**
* Bootstrap ABE master if it does not yet exists.
* Will call the AbeBootstrapResult processor when done.
+ * will always recreate the ABE key of GNUNET_YES == recreate
*/
static void
bootstrap_abe (const struct GNUNET_CRYPTO_EcdsaPrivateKey *identity,
AbeBootstrapResult proc,
- void* cls)
+ void* cls,
+ int recreate)
{
struct AbeBootstrapHandle *abh;
abh->proc = proc;
abh->proc_cls = cls;
abh->identity = *identity;
- abh->ns_qe = GNUNET_NAMESTORE_records_lookup (ns_handle,
- identity,
- "+",
- &bootstrap_abe_error,
- abh,
- &bootstrap_abe_result,
- abh);
-
-}
-
-
-
-static struct GNUNET_MQ_Envelope*
-create_exchange_result_message (const char* token,
- const char* label,
- uint64_t ticket_nonce,
- uint64_t id)
-{
- struct GNUNET_MQ_Envelope *env;
- struct ExchangeResultMessage *erm;
- uint16_t token_len = strlen (token) + 1;
-
- env = GNUNET_MQ_msg_extra (erm,
- token_len,
- GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_EXCHANGE_RESULT);
- erm->ticket_nonce = htonl (ticket_nonce);
- erm->id = id;
- GNUNET_memcpy (&erm[1], token, token_len);
- return env;
-}
-
-
-static struct GNUNET_MQ_Envelope*
-create_issue_result_message (const char* label,
- const char* ticket,
- const char* token,
- uint64_t id)
-{
- struct GNUNET_MQ_Envelope *env;
- struct IssueResultMessage *irm;
- char *tmp_str;
- size_t len;
-
- GNUNET_asprintf (&tmp_str, "%s,%s,%s", label, ticket, token);
- len = strlen (tmp_str) + 1;
- env = GNUNET_MQ_msg_extra (irm,
- len,
- GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_ISSUE_RESULT);
- irm->id = id;
- GNUNET_memcpy (&irm[1], tmp_str, strlen (tmp_str) + 1);
- GNUNET_free (tmp_str);
- return env;
-}
-
-static void
-cleanup_issue_handle (struct IssueHandle *handle)
-{
- if (NULL != handle->attr_map)
- GNUNET_CONTAINER_multihashmap_destroy (handle->attr_map);
- if (NULL != handle->scopes)
- GNUNET_free (handle->scopes);
- if (NULL != handle->token)
- token_destroy (handle->token);
- if (NULL != handle->ticket)
- ticket_destroy (handle->ticket);
- if (NULL != handle->label)
- GNUNET_free (handle->label);
- if (NULL != handle->ns_it)
- GNUNET_NAMESTORE_zone_iteration_stop (handle->ns_it);
- if (NULL != handle->credential_request)
- GNUNET_CREDENTIAL_request_cancel (handle->credential_request);
- GNUNET_free (handle);
-}
-
-static void
-store_record_issue_cont (void *cls,
- int32_t success,
- const char *emsg)
-{
- struct IssueHandle *handle = cls;
- struct GNUNET_MQ_Envelope *env;
- char *ticket_str;
- char *token_str;
-
- handle->ns_qe = NULL;
- if (GNUNET_SYSERR == success)
- {
- cleanup_issue_handle (handle);
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "%s\n",
- "Unknown Error\n");
- GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
- return;
- }
- if (GNUNET_OK != ticket_serialize (handle->ticket,
- &handle->iss_key,
- &ticket_str))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "%s\n",
- "Error serializing ticket\n");
- cleanup_issue_handle (handle);
- GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
- return;
- }
- if (GNUNET_OK != token_to_string (handle->token,
- &handle->iss_key,
- &token_str))
+ if (GNUNET_YES == recreate)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "%s\n",
- "Error serializing token\n");
- GNUNET_free (ticket_str);
- cleanup_issue_handle (handle);
- GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
- return;
+ abh->abe_key = GNUNET_ABE_cpabe_create_master_key ();
+ GNUNET_SCHEDULER_add_now (&bootstrap_store_task, abh);
+ } else {
+ abh->ns_qe = GNUNET_NAMESTORE_records_lookup (ns_handle,
+ identity,
+ "+",
+ &bootstrap_abe_error,
+ abh,
+ &bootstrap_abe_result,
+ abh);
}
- env = create_issue_result_message (handle->label,
- ticket_str,
- token_str,
- handle->r_id);
- GNUNET_MQ_send (handle->client->mq,
- env);
- cleanup_issue_handle (handle);
- GNUNET_free (ticket_str);
- GNUNET_free (token_str);
}
+
+
static int
create_sym_key_from_ecdh(const struct GNUNET_HashCode *new_key_hash,
struct GNUNET_CRYPTO_SymmetricSessionKey *skey,
return GNUNET_OK;
}
-int
-serialize_abe_keyinfo (const struct IssueHandle *handle,
- const struct GNUNET_CRYPTO_AbeKey *rp_key,
- struct GNUNET_CRYPTO_EcdhePrivateKey **ecdh_privkey,
- char **result)
+static void
+cleanup_ticket_issue_handle (struct TicketIssueHandle *handle)
{
- char *enc_keyinfo;
- char *serialized_key;
- char *buf;
- struct GNUNET_CRYPTO_EcdhePublicKey ecdh_pubkey;
- ssize_t size;
-
- struct GNUNET_CRYPTO_SymmetricSessionKey skey;
- struct GNUNET_CRYPTO_SymmetricInitializationVector iv;
- struct GNUNET_HashCode new_key_hash;
- ssize_t enc_size;
-
- size = GNUNET_CRYPTO_cpabe_serialize_key (rp_key,
- (void**)&serialized_key);
- buf = GNUNET_malloc (strlen (handle->scopes) + 1 + size);
- GNUNET_memcpy (buf,
- handle->scopes,
- strlen (handle->scopes) + 1);
- GNUNET_memcpy (buf + strlen (handle->scopes) + 1,
- serialized_key,
- size);
- // ECDH keypair E = eG
- *ecdh_privkey = GNUNET_CRYPTO_ecdhe_key_create();
- GNUNET_CRYPTO_ecdhe_key_get_public (*ecdh_privkey,
- &ecdh_pubkey);
- enc_keyinfo = GNUNET_malloc (size + strlen (handle->scopes) + 1);
- // Derived key K = H(eB)
- GNUNET_assert (GNUNET_OK == GNUNET_CRYPTO_ecdh_ecdsa (*ecdh_privkey,
- &handle->aud_key,
- &new_key_hash));
- create_sym_key_from_ecdh(&new_key_hash, &skey, &iv);
- enc_size = GNUNET_CRYPTO_symmetric_encrypt (buf,
- size + strlen (handle->scopes) + 1,
- &skey, &iv,
- enc_keyinfo);
- *result = GNUNET_malloc (sizeof (struct GNUNET_CRYPTO_EcdhePublicKey)+
- enc_size);
- GNUNET_memcpy (*result,
- &ecdh_pubkey,
- sizeof (struct GNUNET_CRYPTO_EcdhePublicKey));
- GNUNET_memcpy (*result + sizeof (struct GNUNET_CRYPTO_EcdhePublicKey),
- enc_keyinfo,
- enc_size);
- GNUNET_free (enc_keyinfo);
- return sizeof (struct GNUNET_CRYPTO_EcdhePublicKey)+enc_size;
-}
-
-static void
-cleanup_exchange_handle (struct ExchangeHandle *handle)
-{
- if (NULL != handle->ticket)
- ticket_destroy (handle->ticket);
- if (NULL != handle->token)
- token_destroy (handle->token);
+ if (NULL != handle->attrs)
+ GNUNET_IDENTITY_ATTRIBUTE_list_destroy (handle->attrs);
+ if (NULL != handle->ns_qe)
+ GNUNET_NAMESTORE_cancel (handle->ns_qe);
GNUNET_free (handle);
}
-/**
- * Build a token and store it
- *
- * @param cls the IssueHandle
- */
static void
-sign_and_return_token (void *cls)
+send_ticket_result (struct IdpClient *client,
+ uint32_t r_id,
+ const struct GNUNET_IDENTITY_PROVIDER_Ticket *ticket,
+ const struct GNUNET_IDENTITY_ATTRIBUTE_ClaimList *attrs)
{
- struct ExchangeHandle *handle = cls;
+ struct TicketResultMessage *irm;
struct GNUNET_MQ_Envelope *env;
- char *token_str;
- uint64_t time;
- uint64_t exp_time;
-
- time = GNUNET_TIME_absolute_get().abs_value_us;
- exp_time = time + token_expiration_interval.rel_value_us;
-
- token_add_attr_int (handle->token, "nbf", time);
- token_add_attr_int (handle->token, "iat", time);
- token_add_attr_int (handle->token, "exp", exp_time);
-
- //Readable
- GNUNET_assert (GNUNET_OK == token_to_string (handle->token,
- &handle->aud_privkey,
- &token_str));
-
- env = create_exchange_result_message (token_str,
- handle->label,
- handle->ticket->payload->nonce,
- handle->r_id);
- GNUNET_MQ_send (handle->client->mq,
- env);
- cleanup_exchange_handle (handle);
- GNUNET_free (token_str);
-
-}
-
-/**
- * Build an ABE key and store it
- *
- * @param cls the IssueHandle
- */
-static void
-issue_ticket (void *cls)
-{
- struct GNUNET_CRYPTO_EcdsaPublicKey pub_key;
- struct GNUNET_CRYPTO_EcdhePrivateKey *ecdhe_privkey;
- struct IssueHandle *handle = cls;
- struct GNUNET_GNSRECORD_Data code_record[1];
- struct GNUNET_CRYPTO_AbeKey *rp_key;
- char *nonce_str;
- char *code_record_data;
- char **attrs;
- char *scope;
- char *scopes_tmp;
- int attrs_len;
- int i;
- uint64_t time;
- uint64_t exp_time;
- size_t code_record_len;
-
- //Remote nonce
- nonce_str = NULL;
- GNUNET_asprintf (&nonce_str, "%lu", handle->nonce);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Request nonce: %s\n", nonce_str);
-
- GNUNET_CRYPTO_ecdsa_key_get_public (&handle->iss_key,
- &pub_key);
- handle->ticket = ticket_create (handle->nonce,
- &pub_key,
- handle->label,
- &handle->aud_key);
-
- time = GNUNET_TIME_absolute_get().abs_value_us;
- exp_time = time + token_expiration_interval.rel_value_us;
-
- token_add_attr_int (handle->token, "nbf", time);
- token_add_attr_int (handle->token, "iat", time);
- token_add_attr_int (handle->token, "exp", exp_time);
- token_add_attr (handle->token, "nonce", nonce_str);
-
- //Create new ABE key for RP
- attrs_len = (GNUNET_CONTAINER_multihashmap_size (handle->attr_map) + 1) * sizeof (char*);
- attrs = GNUNET_malloc (attrs_len);
- i = 0;
- scopes_tmp = GNUNET_strdup (handle->scopes);
- for (scope = strtok (scopes_tmp, ","); NULL != scope; scope = strtok (NULL, ",")) {
- attrs[i] = scope;
- i++;
- }
- rp_key = GNUNET_CRYPTO_cpabe_create_key (handle->abe_key,
- attrs);
- code_record_len = serialize_abe_keyinfo (handle,
- rp_key,
- &ecdhe_privkey,
- &code_record_data);
- code_record[0].data = code_record_data;
- code_record[0].data_size = code_record_len;
- code_record[0].expiration_time = exp_time;
- code_record[0].record_type = GNUNET_GNSRECORD_TYPE_ABE_KEY;
- code_record[0].flags = GNUNET_GNSRECORD_RF_NONE;
-
-
- //Publish record
- handle->ns_qe = GNUNET_NAMESTORE_records_store (ns_handle,
- &handle->iss_key,
- handle->label,
- 1,
- code_record,
- &store_record_issue_cont,
- handle);
- GNUNET_free (ecdhe_privkey);
- GNUNET_free (nonce_str);
- GNUNET_free (code_record_data);
-}
-
-/**
- * Credential to JSON
- * @param cred the credential
- * @return the resulting json, NULL if failed
- */
-static json_t*
-credential_to_json (struct GNUNET_CREDENTIAL_Credential *cred)
-{
- char *issuer;
- char *subject;
- char *signature;
- char attribute[cred->issuer_attribute_len + 1];
- json_t *cred_obj;
-
- issuer = GNUNET_CRYPTO_ecdsa_public_key_to_string (&cred->issuer_key);
- if (NULL == issuer)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Issuer in credential malformed\n");
- return NULL;
- }
- subject = GNUNET_CRYPTO_ecdsa_public_key_to_string (&cred->subject_key);
- if (NULL == subject)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Subject in credential malformed\n");
- GNUNET_free (issuer);
- return NULL;
- }
- GNUNET_STRINGS_base64_encode ((char*)&cred->signature,
- sizeof (struct GNUNET_CRYPTO_EcdsaSignature),
- &signature);
- memcpy (attribute,
- cred->issuer_attribute,
- cred->issuer_attribute_len);
- attribute[cred->issuer_attribute_len] = '\0';
- cred_obj = json_object ();
- json_object_set_new (cred_obj, "issuer", json_string (issuer));
- json_object_set_new (cred_obj, "subject", json_string (subject));
- json_object_set_new (cred_obj, "attribute", json_string (attribute));
- json_object_set_new (cred_obj, "signature", json_string (signature));
- json_object_set_new (cred_obj, "expiration", json_integer (cred->expiration.abs_value_us));
- GNUNET_free (issuer);
- GNUNET_free (subject);
- GNUNET_free (signature);
- return cred_obj;
-}
-
-
-static void
-handle_vattr_collection (void* cls,
- unsigned int d_count,
- struct GNUNET_CREDENTIAL_Delegation *dc,
- unsigned int c_count,
- struct GNUNET_CREDENTIAL_Credential *cred)
-{
- struct IssueHandle *handle = cls;
- struct VerifiedAttributeEntry *vattr;
- json_t *cred_json;
- json_t *cred_array;
- int i;
- handle->credential_request = NULL;
-
- if (NULL == cred)
- {
- GNUNET_SCHEDULER_add_now (&issue_ticket, handle);
- return;
- }
- cred_array = json_array();
- for (i=0;i<c_count;i++)
- {
- cred_json = credential_to_json (cred);
- if (NULL == cred_json)
- continue;
- json_array_append (cred_array, cred_json);
- token_add_attr_json (handle->token,
- handle->v_attr_head->name,
- cred_array);
- }
- json_decref (cred_array);
- vattr = handle->v_attr_head;
-
- GNUNET_CONTAINER_DLL_remove (handle->v_attr_head,
- handle->v_attr_tail,
- vattr);
- GNUNET_free (vattr->name);
- GNUNET_free (vattr);
-
- if (NULL == handle->v_attr_head)
- {
- GNUNET_SCHEDULER_add_now (&issue_ticket, handle);
- return;
- }
- handle->credential_request = GNUNET_CREDENTIAL_collect (credential_handle,
- &handle->aud_key,
- handle->v_attr_head->name,
- &handle->iss_key,
- &handle_vattr_collection,
- handle);
-
-}
-
-
-static void
-attr_collect_error (void *cls)
-{
- struct IssueHandle *handle = cls;
-
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Adding attribute Error!\n");
- handle->ns_it = NULL;
- GNUNET_SCHEDULER_add_now (&issue_ticket, handle);
-}
-
-
-static void
-attr_collect_finished (void *cls)
-{
- struct IssueHandle *handle = cls;
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Adding attribute END: \n");
- handle->ns_it = NULL;
-
- if (NULL == handle->v_attr_head)
- {
- GNUNET_SCHEDULER_add_now (&issue_ticket, handle);
- return;
- }
- handle->credential_request = GNUNET_CREDENTIAL_collect (credential_handle,
- &handle->aud_key,
- handle->v_attr_head->name,
- &handle->iss_key,
- &handle_vattr_collection,
- handle);
-}
-
-/**
- * Collect attributes for token
- */
-static void
-attr_collect (void *cls,
- const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone,
- const char *label,
- unsigned int rd_count,
- const struct GNUNET_GNSRECORD_Data *rd)
-{
- struct IssueHandle *handle = cls;
- int i;
- char* data;
- struct GNUNET_HashCode key;
-
- GNUNET_CRYPTO_hash (label,
- strlen (label),
- &key);
-
- if (0 == rd_count ||
- ( (NULL != handle->attr_map) &&
- (GNUNET_YES != GNUNET_CONTAINER_multihashmap_contains (handle->attr_map,
- &key))
- )
- )
- {
- GNUNET_NAMESTORE_zone_iterator_next (handle->ns_it);
- return;
- }
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Adding attribute: %s\n", label);
-
- if (1 == rd_count)
- {
- if (rd->record_type == GNUNET_GNSRECORD_TYPE_ID_ATTR)
- {
- data = GNUNET_GNSRECORD_value_to_string (rd->record_type,
- rd->data,
- rd->data_size);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Adding value: %s\n", data);
- token_add_attr (handle->token,
- label,
- data);
- GNUNET_free (data);
- }
- GNUNET_NAMESTORE_zone_iterator_next (handle->ns_it);
- return;
- }
-
- i = 0;
- for (; i < rd_count; i++)
- {
- if (rd->record_type == GNUNET_GNSRECORD_TYPE_ID_ATTR)
- {
- data = GNUNET_GNSRECORD_value_to_string (rd[i].record_type,
- rd[i].data,
- rd[i].data_size);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Adding value: %s\n", data);
- token_add_attr (handle->token, label, data);
- GNUNET_free (data);
- }
- }
-
- GNUNET_NAMESTORE_zone_iterator_next (handle->ns_it);
-}
-
-static void
-process_parallel_lookup (void *cls, uint32_t rd_count,
- const struct GNUNET_GNSRECORD_Data *rd)
-{
- GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
- "Parallel lookup finished (count=%u)\n", rd_count);
- struct ParallelLookup *parallel_lookup = cls;
- struct ExchangeHandle *handle = parallel_lookup->handle;
- char *data;
- int i;
-
- GNUNET_CONTAINER_DLL_remove (handle->parallel_lookups_head,
- handle->parallel_lookups_tail,
- parallel_lookup);
- GNUNET_free (parallel_lookup);
- if (1 == rd_count)
- {
- if (rd->record_type == GNUNET_GNSRECORD_TYPE_ID_ATTR)
- {
- GNUNET_CRYPTO_cpabe_decrypt (rd->data,
- rd->data_size,
- handle->key,
- (void**)&data);
- GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE, "Adding value: %s\n", data);
- token_add_attr (handle->token,
- parallel_lookup->label,
- data);
- GNUNET_free (data);
- }
- } else {
- i = 0;
- for (; i < rd_count; i++)
- {
- if (rd[i].record_type == GNUNET_GNSRECORD_TYPE_ID_ATTR)
- {
- data = GNUNET_GNSRECORD_value_to_string (rd[i].record_type,
- rd[i].data,
- rd[i].data_size);
- GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE, "Adding value: %s\n", data);
- token_add_attr (handle->token, parallel_lookup->label, data);
- GNUNET_free (data);
- }
- }
- }
- if (NULL != handle->parallel_lookups_head)
- return; //Wait for more
- //Else we are done
- GNUNET_SCHEDULER_cancel (handle->kill_task);
- GNUNET_SCHEDULER_add_now (&sign_and_return_token, handle);
-}
-
-void
-abort_parallel_lookups (void *cls)
-{
- struct ExchangeHandle *handle = cls;
- struct ParallelLookup *lu;
- struct ParallelLookup *tmp;
-
- 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;
- }
- GNUNET_SCHEDULER_add_now (&sign_and_return_token, handle);
-
-}
-
-static void
-process_lookup_result (void *cls, uint32_t rd_count,
- const struct GNUNET_GNSRECORD_Data *rd)
-{
- struct ExchangeHandle *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 *scope;
- char *lookup_query;
-
- handle->lookup_request = NULL;
- if (1 != rd_count)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Number of keys %d != 1.",
- rd_count);
- cleanup_exchange_handle (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->aud_privkey,
- 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));
-
- scopes = GNUNET_strdup (buf);
- GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
- "Scopes %s\n", scopes);
- handle->key = GNUNET_CRYPTO_cpabe_deserialize_key ((void*)(buf + strlen (scopes) + 1),
- rd->data_size - sizeof (struct GNUNET_CRYPTO_EcdhePublicKey)
- - strlen (scopes) - 1);
-
- for (scope = strtok (scopes, ","); NULL != scope; scope = strtok (NULL, ","))
- {
- GNUNET_asprintf (&lookup_query,
- "%s.gnu",
- scope);
- GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
- "Looking up %s\n", lookup_query);
- parallel_lookup = GNUNET_new (struct ParallelLookup);
- parallel_lookup->handle = handle;
- parallel_lookup->label = GNUNET_strdup (scope);
- parallel_lookup->lookup_request
- = GNUNET_GNS_lookup (gns_handle,
- lookup_query,
- &handle->ticket->payload->identity_key,
- GNUNET_GNSRECORD_TYPE_ID_ATTR,
- GNUNET_GNS_LO_LOCAL_MASTER,
- &process_parallel_lookup,
- parallel_lookup);
- GNUNET_CONTAINER_DLL_insert (handle->parallel_lookups_head,
- handle->parallel_lookups_tail,
- parallel_lookup);
- }
- handle->kill_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MINUTES,3),
- &abort_parallel_lookups,
- handle);
-}
-
-/**
- * Checks a exchange message
- *
- * @param cls client sending the message
- * @param xm message of type `struct ExchangeMessage`
- * @return #GNUNET_OK if @a xm is well-formed
- */
-static int
-check_exchange_message (void *cls,
- const struct ExchangeMessage *xm)
-{
- uint16_t size;
-
- size = ntohs (xm->header.size);
- if (size <= sizeof (struct ExchangeMessage))
- {
- GNUNET_break (0);
- return GNUNET_SYSERR;
- }
- return GNUNET_OK;
-}
-
-/**
- *
- * Handler for exchange message
- *
- * @param cls unused
- * @param client who sent the message
- * @param message the message
- */
-static void
-handle_exchange_message (void *cls,
- const struct ExchangeMessage *xm)
-{
- struct ExchangeHandle *xchange_handle;
- struct IdpClient *idp = cls;
- const char *ticket;
- char *lookup_query;
-
- ticket = (const char *) &xm[1];
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Received EXCHANGE of `%s' from client\n",
- ticket);
- xchange_handle = GNUNET_malloc (sizeof (struct ExchangeHandle));
- xchange_handle->aud_privkey = xm->aud_privkey;
- xchange_handle->r_id = xm->id;
- if (GNUNET_SYSERR == ticket_parse (ticket,
- &xchange_handle->aud_privkey,
- &xchange_handle->ticket))
- {
- GNUNET_free (xchange_handle);
- GNUNET_SERVICE_client_drop (idp->client);
- return;
- }
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Looking for ABE key under %s\n",
- xchange_handle->ticket->payload->label);
- GNUNET_asprintf (&lookup_query,
- "%s.gnu",
- xchange_handle->ticket->payload->label);
- GNUNET_SERVICE_client_continue (idp->client);
- xchange_handle->client = idp;
- xchange_handle->token = token_create (&xchange_handle->ticket->payload->identity_key,
- &xchange_handle->ticket->payload->identity_key);
- xchange_handle->lookup_request
- = GNUNET_GNS_lookup (gns_handle,
- lookup_query,
- &xchange_handle->ticket->payload->identity_key,
- GNUNET_GNSRECORD_TYPE_ABE_KEY,
- GNUNET_GNS_LO_LOCAL_MASTER,
- &process_lookup_result,
- xchange_handle);
- GNUNET_free (lookup_query);
-
-}
-
-void
-attr_collect_task (void *cls)
-{
- struct IssueHandle *issue_handle = cls;
-
- issue_handle->ns_it = GNUNET_NAMESTORE_zone_iteration_start (ns_handle,
- &issue_handle->iss_key,
- &attr_collect_error,
- issue_handle,
- &attr_collect,
- issue_handle,
- &attr_collect_finished,
- issue_handle);
-}
-
-void
-abe_key_lookup_error (void *cls)
-{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Error looking for ABE master!\n");
- GNUNET_SCHEDULER_add_now (&do_shutdown, cls);
-}
-
-void
-abe_key_lookup_result (void *cls,
- const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone,
- const char *label,
- unsigned int rd_count,
- const struct GNUNET_GNSRECORD_Data *rd)
-{
- struct IssueHandle *handle = cls;
- int i;
-
- for (i=0;i<rd_count;i++) {
- if (GNUNET_GNSRECORD_TYPE_ABE_MASTER != rd[i].record_type)
- continue;
- handle->abe_key = GNUNET_CRYPTO_cpabe_deserialize_master_key ((void**)rd[i].data,
- rd[i].data_size);
- GNUNET_SCHEDULER_add_now (&attr_collect_task, handle);
- return;
- }
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "No ABE master found!\n");
- GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
-
-}
-
-
-/**
- * Checks an issue message
- *
- * @param cls client sending the message
- * @param im message of type `struct IssueMessage`
- * @return #GNUNET_OK if @a im is well-formed
- */
-static int
-check_issue_message(void *cls,
- const struct IssueMessage *im)
-{
- uint16_t size;
+ struct GNUNET_IDENTITY_PROVIDER_Ticket *ticket_buf;
- size = ntohs (im->header.size);
- if (size <= sizeof (struct IssueMessage))
- {
- GNUNET_break (0);
- return GNUNET_SYSERR;
- }
- scopes = (char *) &im[1];
- if ('\0' != scopes[size - sizeof (struct IssueMessage) - 1])
+ /* store ticket in DB */
+ if (GNUNET_OK != TKT_database->store_ticket (TKT_database->cls,
+ ticket,
+ attrs))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Malformed scopes received!\n");
+ "Unable to store ticket after issue\n");
GNUNET_break (0);
- return GNUNET_SYSERR;
- }
- return GNUNET_OK;
-}
-
-
-/**
- *
- * Handler for issue message
- *
- * @param cls unused
- * @param client who sent the message
- * @param message the message
- */
-static void
-handle_issue_message (void *cls,
- const struct IssueMessage *im)
-{
- const char *scopes;
- char *scopes_tmp;
- char *scope;
- uint64_t rnd_key;
- struct GNUNET_HashCode key;
- struct IssueHandle *issue_handle;
- struct IdpClient *idp = cls;
-
- scopes = (const char *) &im[1];
- //v_attrs = (const char *) &im[1] + ntohl(im->scope_len);
- issue_handle = GNUNET_malloc (sizeof (struct IssueHandle));
- issue_handle->attr_map = GNUNET_CONTAINER_multihashmap_create (5,
- GNUNET_NO);
- scopes_tmp = GNUNET_strdup (scopes);
-
- for (scope = strtok (scopes_tmp, ","); NULL != scope; scope = strtok (NULL, ","))
- {
- GNUNET_CRYPTO_hash (scope,
- strlen (scope),
- &key);
- GNUNET_CONTAINER_multihashmap_put (issue_handle->attr_map,
- &key,
- scope,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_REPLACE);
- }
- GNUNET_free (scopes_tmp);
- /*scopes_tmp = GNUNET_strdup (v_attrs);
-
- for (scope = strtok (scopes_tmp, ","); NULL != scope; scope = strtok (NULL, ","))
- {
- vattr_entry = GNUNET_new (struct VerifiedAttributeEntry);
- vattr_entry->name = GNUNET_strdup (scope);
- GNUNET_CONTAINER_DLL_insert (issue_handle->v_attr_head,
- issue_handle->v_attr_tail,
- vattr_entry);
- }
- GNUNET_free (scopes_tmp);*/
-
-
-
- issue_handle->r_id = im->id;
- issue_handle->aud_key = im->aud_key;
- issue_handle->iss_key = im->iss_key;
- GNUNET_CRYPTO_ecdsa_key_get_public (&im->iss_key,
- &issue_handle->iss_pkey);
- issue_handle->expiration = GNUNET_TIME_absolute_ntoh (im->expiration);
- issue_handle->nonce = ntohl (im->nonce);
- GNUNET_SERVICE_client_continue (idp->client);
- issue_handle->client = idp;
- issue_handle->scopes = GNUNET_strdup (scopes);
- issue_handle->token = token_create (&issue_handle->iss_pkey,
- &issue_handle->aud_key);
- rnd_key =
- GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_STRONG,
- UINT64_MAX);
- GNUNET_STRINGS_base64_encode ((char*)&rnd_key,
- sizeof (uint64_t),
- &issue_handle->label);
- issue_handle->ns_qe = GNUNET_NAMESTORE_records_lookup (ns_handle,
- &issue_handle->iss_key,
- "+",
- &abe_key_lookup_error,
- issue_handle,
- &abe_key_lookup_result,
- issue_handle);
-}
-
-static void
-cleanup_ticket_issue_handle (struct TicketIssueHandle *handle)
-{
- struct GNUNET_IDENTITY_PROVIDER_AttributeListEntry *le;
- struct GNUNET_IDENTITY_PROVIDER_AttributeListEntry *tmp_le;
-
- for (le = handle->attrs->list_head; NULL != le;)
- {
- GNUNET_free (le->attribute);
- tmp_le = le;
- le = le->next;
- GNUNET_free (tmp_le);
- }
- GNUNET_free (handle->attrs);
- if (NULL != handle->ns_qe)
- GNUNET_NAMESTORE_cancel (handle->ns_qe);
- GNUNET_free (handle);
+ }
+
+ env = GNUNET_MQ_msg_extra (irm,
+ sizeof (struct GNUNET_IDENTITY_PROVIDER_Ticket),
+ GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_TICKET_RESULT);
+ ticket_buf = (struct GNUNET_IDENTITY_PROVIDER_Ticket *)&irm[1];
+ *ticket_buf = *ticket;
+ irm->id = htonl (r_id);
+ GNUNET_MQ_send (client->mq,
+ env);
}
static void
store_ticket_issue_cont (void *cls,
- int32_t success,
- const char *emsg)
+ int32_t success,
+ const char *emsg)
{
- struct GNUNET_IDENTITY_PROVIDER_Ticket2 *ticket;
struct TicketIssueHandle *handle = cls;
- struct TicketResultMessage *irm;
- struct GNUNET_MQ_Envelope *env;
handle->ns_qe = NULL;
if (GNUNET_SYSERR == success)
GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
return;
}
- env = GNUNET_MQ_msg_extra (irm,
- sizeof (struct GNUNET_IDENTITY_PROVIDER_Ticket2),
- GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_TICKET_RESULT);
- ticket = (struct GNUNET_IDENTITY_PROVIDER_Ticket2 *)&irm[1];
- *ticket = handle->ticket;
- irm->id = handle->r_id;
-
- GNUNET_MQ_send (handle->client->mq,
- env);
+ send_ticket_result (handle->client,
+ handle->r_id,
+ &handle->ticket,
+ handle->attrs);
cleanup_ticket_issue_handle (handle);
}
int
-serialize_abe_keyinfo2 (const struct TicketIssueHandle *handle,
- const struct GNUNET_CRYPTO_AbeKey *rp_key,
- struct GNUNET_CRYPTO_EcdhePrivateKey **ecdh_privkey,
- char **result)
+serialize_abe_keyinfo2 (const struct GNUNET_IDENTITY_PROVIDER_Ticket *ticket,
+ const struct GNUNET_IDENTITY_ATTRIBUTE_ClaimList *attrs,
+ const struct GNUNET_ABE_AbeKey *rp_key,
+ struct GNUNET_CRYPTO_EcdhePrivateKey **ecdh_privkey,
+ char **result)
{
struct GNUNET_CRYPTO_EcdhePublicKey ecdh_pubkey;
- struct GNUNET_IDENTITY_PROVIDER_AttributeListEntry *le;
+ struct GNUNET_IDENTITY_ATTRIBUTE_ClaimListEntry *le;
char *enc_keyinfo;
char *serialized_key;
char *buf;
char *write_ptr;
char attrs_str_len;
ssize_t size;
-
+
struct GNUNET_CRYPTO_SymmetricSessionKey skey;
struct GNUNET_CRYPTO_SymmetricInitializationVector iv;
struct GNUNET_HashCode new_key_hash;
ssize_t enc_size;
-
- size = GNUNET_CRYPTO_cpabe_serialize_key (rp_key,
+
+ size = GNUNET_ABE_cpabe_serialize_key (rp_key,
(void**)&serialized_key);
attrs_str_len = 0;
- for (le = handle->attrs->list_head; NULL != le; le = le->next) {
- attrs_str_len += strlen (le->attribute->name) + 1;
+ for (le = attrs->list_head; NULL != le; le = le->next) {
+ attrs_str_len += strlen (le->claim->name) + 1;
}
buf = GNUNET_malloc (attrs_str_len + size);
write_ptr = buf;
- GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Writing attributes\n");
- for (le = handle->attrs->list_head; NULL != le; le = le->next) {
- GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
- "%s\n", le->attribute->name);
+ for (le = attrs->list_head; NULL != le; le = le->next) {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%s\n", le->claim->name);
GNUNET_memcpy (write_ptr,
- le->attribute->name,
- strlen (le->attribute->name));
- write_ptr[strlen (le->attribute->name)] = ',';
- write_ptr += strlen (le->attribute->name) + 1;
+ le->claim->name,
+ strlen (le->claim->name));
+ write_ptr[strlen (le->claim->name)] = ',';
+ write_ptr += strlen (le->claim->name) + 1;
}
write_ptr--;
write_ptr[0] = '\0'; //replace last , with a 0-terminator
GNUNET_memcpy (write_ptr,
serialized_key,
size);
+ GNUNET_free (serialized_key);
// ECDH keypair E = eG
*ecdh_privkey = GNUNET_CRYPTO_ecdhe_key_create();
GNUNET_CRYPTO_ecdhe_key_get_public (*ecdh_privkey,
enc_keyinfo = GNUNET_malloc (size + attrs_str_len);
// Derived key K = H(eB)
GNUNET_assert (GNUNET_OK == GNUNET_CRYPTO_ecdh_ecdsa (*ecdh_privkey,
- &handle->ticket.audience,
+ &ticket->audience,
&new_key_hash));
create_sym_key_from_ecdh(&new_key_hash, &skey, &iv);
enc_size = GNUNET_CRYPTO_symmetric_encrypt (buf,
enc_keyinfo,
enc_size);
GNUNET_free (enc_keyinfo);
+ GNUNET_free (buf);
return sizeof (struct GNUNET_CRYPTO_EcdhePublicKey)+enc_size;
}
static void
issue_ticket_after_abe_bootstrap (void *cls,
- struct GNUNET_CRYPTO_AbeMasterKey *abe_key)
+ struct GNUNET_ABE_AbeMasterKey *abe_key)
{
struct TicketIssueHandle *ih = cls;
- struct GNUNET_IDENTITY_PROVIDER_AttributeListEntry *le;
+ struct GNUNET_IDENTITY_ATTRIBUTE_ClaimListEntry *le;
struct GNUNET_CRYPTO_EcdhePrivateKey *ecdhe_privkey;
struct GNUNET_GNSRECORD_Data code_record[1];
- struct GNUNET_CRYPTO_AbeKey *rp_key;
+ struct GNUNET_ABE_AbeKey *rp_key;
char *code_record_data;
char **attrs;
char *label;
+ char *policy;
int attrs_len;
- int i;
+ uint32_t i;
size_t code_record_len;
//Create new ABE key for RP
attrs = GNUNET_malloc ((attrs_len + 1)*sizeof (char*));
i = 0;
for (le = ih->attrs->list_head; NULL != le; le = le->next) {
- attrs[i] = (char*) le->attribute->name;
+ GNUNET_asprintf (&policy, "%s_%lu",
+ le->claim->name,
+ le->claim->version);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Adding attribute to key: %s\n",
+ policy);
+ attrs[i] = policy;
i++;
}
attrs[i] = NULL;
- rp_key = GNUNET_CRYPTO_cpabe_create_key (abe_key,
+ rp_key = GNUNET_ABE_cpabe_create_key (abe_key,
attrs);
- //TODO review this wireformat
- code_record_len = serialize_abe_keyinfo2 (ih,
- rp_key,
- &ecdhe_privkey,
- &code_record_data);
- code_record[0].data = code_record_data;
- code_record[0].data_size = code_record_len;
- code_record[0].expiration_time = GNUNET_TIME_UNIT_DAYS.rel_value_us;
- code_record[0].record_type = GNUNET_GNSRECORD_TYPE_ABE_KEY;
- code_record[0].flags = GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION;
+ //TODO review this wireformat
+ code_record_len = serialize_abe_keyinfo2 (&ih->ticket,
+ ih->attrs,
+ rp_key,
+ &ecdhe_privkey,
+ &code_record_data);
+ code_record[0].data = code_record_data;
+ code_record[0].data_size = code_record_len;
+ code_record[0].expiration_time = GNUNET_TIME_UNIT_DAYS.rel_value_us;
+ code_record[0].record_type = GNUNET_GNSRECORD_TYPE_ABE_KEY;
+ code_record[0].flags = GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION;
+
+ label = GNUNET_STRINGS_data_to_string_alloc (&ih->ticket.rnd,
+ sizeof (uint64_t));
+ //Publish record
+ ih->ns_qe = GNUNET_NAMESTORE_records_store (ns_handle,
+ &ih->identity,
+ label,
+ 1,
+ code_record,
+ &store_ticket_issue_cont,
+ ih);
+ //for (; i > 0; i--)
+ // GNUNET_free (attrs[i-1]);
+ GNUNET_free (ecdhe_privkey);
+ GNUNET_free (label);
+ GNUNET_free (attrs);
+ GNUNET_free (code_record_data);
+ GNUNET_ABE_cpabe_delete_key (rp_key,
+ GNUNET_YES);
+ GNUNET_ABE_cpabe_delete_master_key (abe_key);
+}
+
+
+static int
+check_issue_ticket_message(void *cls,
+ const struct IssueTicketMessage *im)
+{
+ uint16_t size;
+
+ size = ntohs (im->header.size);
+ if (size <= sizeof (struct IssueTicketMessage))
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+ return GNUNET_OK;
+}
+
+
+static void
+handle_issue_ticket_message (void *cls,
+ const struct IssueTicketMessage *im)
+{
+ struct TicketIssueHandle *ih;
+ struct IdpClient *idp = cls;
+ size_t attrs_len;
+
+ ih = GNUNET_new (struct TicketIssueHandle);
+ attrs_len = ntohs (im->attr_len);
+ ih->attrs = GNUNET_IDENTITY_ATTRIBUTE_list_deserialize ((char*)&im[1], attrs_len);
+ ih->r_id = ntohl (im->id);
+ ih->client = idp;
+ ih->identity = im->identity;
+ GNUNET_CRYPTO_ecdsa_key_get_public (&ih->identity,
+ &ih->ticket.identity);
+ ih->ticket.audience = im->rp;
+ ih->ticket.rnd =
+ GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_STRONG,
+ UINT64_MAX);
+ bootstrap_abe (&ih->identity, &issue_ticket_after_abe_bootstrap, ih, GNUNET_NO);
+ GNUNET_SERVICE_client_continue (idp->client);
+
+}
+
+/**********************************************************
+ * Revocation
+ **********************************************************/
+
+/**
+ * Cleanup revoke handle
+ *
+ * @param rh the ticket revocation handle
+ */
+static void
+cleanup_revoke_ticket_handle (struct TicketRevocationHandle *rh)
+{
+ if (NULL != rh->attrs)
+ GNUNET_IDENTITY_ATTRIBUTE_list_destroy (rh->attrs);
+ if (NULL != rh->rvk_attrs)
+ GNUNET_IDENTITY_ATTRIBUTE_list_destroy (rh->rvk_attrs);
+ if (NULL != rh->abe_key)
+ GNUNET_ABE_cpabe_delete_master_key (rh->abe_key);
+ if (NULL != rh->ns_qe)
+ GNUNET_NAMESTORE_cancel (rh->ns_qe);
+ if (NULL != rh->ns_it)
+ GNUNET_NAMESTORE_zone_iteration_stop (rh->ns_it);
+ GNUNET_free (rh);
+}
+
+
+/**
+ * Send revocation result
+ *
+ * @param rh ticket revocation handle
+ * @param success GNUNET_OK if successful result
+ */
+static void
+send_revocation_finished (struct TicketRevocationHandle *rh,
+ uint32_t success)
+{
+ struct GNUNET_MQ_Envelope *env;
+ struct RevokeTicketResultMessage *trm;
+
+ env = GNUNET_MQ_msg (trm,
+ GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_REVOKE_TICKET_RESULT);
+ trm->id = htonl (rh->r_id);
+ trm->success = htonl (success);
+ GNUNET_MQ_send (rh->client->mq,
+ env);
+ GNUNET_CONTAINER_DLL_remove (rh->client->revocation_list_head,
+ rh->client->revocation_list_tail,
+ rh);
+}
+
+
+/**
+ * Process ticket from database
+ *
+ * @param cls struct TicketIterationProcResult
+ * @param ticket the ticket
+ * @param attrs the attributes
+ */
+static void
+ticket_reissue_proc (void *cls,
+ const struct GNUNET_IDENTITY_PROVIDER_Ticket *ticket,
+ const struct GNUNET_IDENTITY_ATTRIBUTE_ClaimList *attrs);
+
+static void
+revocation_reissue_tickets (struct TicketRevocationHandle *rh);
+
+
+static void reissue_next (void *cls)
+{
+ struct TicketRevocationHandle *rh = cls;
+ revocation_reissue_tickets (rh);
+}
+
+
+static void
+reissue_ticket_cont (void *cls,
+ int32_t success,
+ const char *emsg)
+{
+ struct TicketRevocationHandle *rh = cls;
+
+ rh->ns_qe = NULL;
+ if (GNUNET_SYSERR == success)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "%s\n",
+ "Unknown Error\n");
+ send_revocation_finished (rh, GNUNET_SYSERR);
+ cleanup_revoke_ticket_handle (rh);
+ return;
+ }
+ rh->offset++;
+ GNUNET_SCHEDULER_add_now (&reissue_next, rh);
+}
+
+
+/**
+ * Process ticket from database
+ *
+ * @param cls struct TicketIterationProcResult
+ * @param ticket the ticket
+ * @param attrs the attributes
+ */
+static void
+ticket_reissue_proc (void *cls,
+ const struct GNUNET_IDENTITY_PROVIDER_Ticket *ticket,
+ const struct GNUNET_IDENTITY_ATTRIBUTE_ClaimList *attrs)
+{
+ struct TicketRevocationHandle *rh = cls;
+ struct GNUNET_IDENTITY_ATTRIBUTE_ClaimListEntry *le;
+ struct GNUNET_IDENTITY_ATTRIBUTE_ClaimListEntry *le_rollover;
+ struct GNUNET_CRYPTO_EcdhePrivateKey *ecdhe_privkey;
+ struct GNUNET_GNSRECORD_Data code_record[1];
+ struct GNUNET_ABE_AbeKey *rp_key;
+ char *code_record_data;
+ char **attr_arr;
+ char *label;
+ char *policy;
+ int attrs_len;
+ uint32_t i;
+ int reissue_ticket;
+ size_t code_record_len;
+
+
+ if (NULL == ticket)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Iteration done\n");
+ return;
+ }
+
+ if (0 == memcmp (&ticket->audience,
+ &rh->ticket.audience,
+ sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey)))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Do not reissue for this identity.!\n");
+
+ rh->offset++;
+ GNUNET_SCHEDULER_add_now (&reissue_next, rh);
+ return;
+ }
+
+ /*
+ * Check if any attribute of this ticket intersects with a rollover attribute
+ */
+ reissue_ticket = GNUNET_NO;
+ for (le = attrs->list_head; NULL != le; le = le->next)
+ {
+ for (le_rollover = rh->rvk_attrs->list_head;
+ NULL != le_rollover;
+ le_rollover = le_rollover->next)
+ {
+ if (0 == strcmp (le_rollover->claim->name,
+ le->claim->name))
+ {
+ reissue_ticket = GNUNET_YES;
+ le->claim->version = le_rollover->claim->version;
+ }
+ }
+ }
+
+ if (GNUNET_NO == reissue_ticket)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Skipping ticket.\n");
+
+ rh->offset++;
+ GNUNET_SCHEDULER_add_now (&reissue_next, rh);
+
+
+ return;
+ }
+
+ //Create new ABE key for RP
+ attrs_len = 0;
+
+ /* If this is the RP we want to revoke attributes of, the do so */
+
+ for (le = attrs->list_head; NULL != le; le = le->next)
+ attrs_len++;
+ attr_arr = GNUNET_malloc ((attrs_len + 1)*sizeof (char*));
+ i = 0;
+ for (le = attrs->list_head; NULL != le; le = le->next) {
+ GNUNET_asprintf (&policy, "%s_%lu",
+ le->claim->name,
+ le->claim->version);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Recreating key with %s\n", policy);
+ attr_arr[i] = policy;
+ i++;
+ }
+ attr_arr[i] = NULL;
+ rp_key = GNUNET_ABE_cpabe_create_key (rh->abe_key,
+ attr_arr);
+
+ //TODO review this wireformat
+ code_record_len = serialize_abe_keyinfo2 (ticket,
+ attrs,
+ rp_key,
+ &ecdhe_privkey,
+ &code_record_data);
+ code_record[0].data = code_record_data;
+ code_record[0].data_size = code_record_len;
+ code_record[0].expiration_time = GNUNET_TIME_UNIT_DAYS.rel_value_us;
+ code_record[0].record_type = GNUNET_GNSRECORD_TYPE_ABE_KEY;
+ code_record[0].flags = GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION;
+
+ label = GNUNET_STRINGS_data_to_string_alloc (&ticket->rnd,
+ sizeof (uint64_t));
+ //Publish record
+ rh->ns_qe = GNUNET_NAMESTORE_records_store (ns_handle,
+ &rh->identity,
+ label,
+ 1,
+ code_record,
+ &reissue_ticket_cont,
+ rh);
+ //for (; i > 0; i--)
+ // GNUNET_free (attr_arr[i-1]);
+ GNUNET_free (ecdhe_privkey);
+ GNUNET_free (label);
+ GNUNET_free (attr_arr);
+ GNUNET_free (code_record_data);
+ GNUNET_ABE_cpabe_delete_key (rp_key, GNUNET_YES);
+}
+
+
+/* Prototype for below function */
+static void
+attr_reenc_cont (void *cls,
+ int32_t success,
+ const char *emsg);
+
+static void
+revocation_reissue_tickets (struct TicketRevocationHandle *rh)
+{
+ int ret;
+ /* Done, issue new keys */
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Revocation Phase III: Reissuing Tickets\n");
+ if (GNUNET_SYSERR == (ret = TKT_database->iterate_tickets (TKT_database->cls,
+ &rh->ticket.identity,
+ GNUNET_NO,
+ rh->offset,
+ &ticket_reissue_proc,
+ rh)))
+ {
+ GNUNET_break (0);
+ }
+ if (GNUNET_NO == ret)
+ {
+ send_revocation_finished (rh, GNUNET_OK);
+ cleanup_revoke_ticket_handle (rh);
+ return;
+ }
+}
+
+/**
+ * Revoke next attribte by reencryption with
+ * new ABE master
+ */
+static void
+reenc_next_attribute (struct TicketRevocationHandle *rh)
+{
+ struct GNUNET_GNSRECORD_Data rd[1];
+ char* buf;
+ char* enc_buf;
+ size_t enc_size;
+ char* rd_buf;
+ size_t buf_size;
+ char* policy;
+ uint32_t attr_ver;
+
+ if (NULL == rh->attrs->list_head)
+ {
+ revocation_reissue_tickets (rh);
+ return;
+ }
+ buf_size = GNUNET_IDENTITY_ATTRIBUTE_serialize_get_size (rh->attrs->list_head->claim);
+ buf = GNUNET_malloc (buf_size);
+ GNUNET_IDENTITY_ATTRIBUTE_serialize (rh->attrs->list_head->claim,
+ buf);
+ rh->attrs->list_head->claim->version++;
+ GNUNET_asprintf (&policy, "%s_%lu",
+ rh->attrs->list_head->claim->name,
+ rh->attrs->list_head->claim->version);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Encrypting with policy %s\n", policy);
+ /**
+ * Encrypt the attribute value and store in namestore
+ */
+ enc_size = GNUNET_ABE_cpabe_encrypt (buf,
+ buf_size,
+ policy, //Policy
+ rh->abe_key,
+ (void**)&enc_buf);
+ GNUNET_free (buf);
+ GNUNET_free (policy);
+ rd[0].data_size = enc_size + sizeof (uint32_t);
+ rd_buf = GNUNET_malloc (rd[0].data_size);
+ attr_ver = htonl (rh->attrs->list_head->claim->version);
+ GNUNET_memcpy (rd_buf,
+ &attr_ver,
+ sizeof (uint32_t));
+ GNUNET_memcpy (rd_buf+sizeof (uint32_t),
+ enc_buf,
+ enc_size);
+ rd[0].data = rd_buf;
+ rd[0].record_type = GNUNET_GNSRECORD_TYPE_ID_ATTR;
+ rd[0].flags = GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION;
+ rd[0].expiration_time = GNUNET_TIME_UNIT_HOURS.rel_value_us; //TODO sane?
+ rh->ns_qe = GNUNET_NAMESTORE_records_store (ns_handle,
+ &rh->identity,
+ rh->attrs->list_head->claim->name,
+ 1,
+ rd,
+ &attr_reenc_cont,
+ rh);
+ GNUNET_free (enc_buf);
+ GNUNET_free (rd_buf);
+}
+
+/**
+ * Namestore callback after revoked attribute
+ * is stored
+ */
+static void
+attr_reenc_cont (void *cls,
+ int32_t success,
+ const char *emsg)
+{
+ struct TicketRevocationHandle *rh = cls;
+ struct GNUNET_IDENTITY_ATTRIBUTE_ClaimListEntry *le;
+
+ if (GNUNET_SYSERR == success)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to reencrypt attribute %s\n",
+ emsg);
+ GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+ return;
+ }
+ if (NULL == rh->attrs->list_head)
+ {
+ revocation_reissue_tickets (rh);
+ return;
+ }
+ le = rh->attrs->list_head;
+ GNUNET_CONTAINER_DLL_remove (rh->attrs->list_head,
+ rh->attrs->list_tail,
+ le);
+ GNUNET_assert (NULL != rh->rvk_attrs);
+ GNUNET_CONTAINER_DLL_insert (rh->rvk_attrs->list_head,
+ rh->rvk_attrs->list_tail,
+ le);
+
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Re-encrypting next attribute\n");
+ reenc_next_attribute (rh);
+}
+
+
+static void
+process_attributes_to_update (void *cls,
+ const struct GNUNET_IDENTITY_PROVIDER_Ticket *ticket,
+ const struct GNUNET_IDENTITY_ATTRIBUTE_ClaimList *attrs)
+{
+ struct TicketRevocationHandle *rh = cls;
+
+ rh->attrs = GNUNET_IDENTITY_ATTRIBUTE_list_dup (attrs);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Revocation Phase I: Collecting attributes\n");
+ /* Reencrypt all attributes with new key */
+ if (NULL == rh->attrs->list_head)
+ {
+ /* No attributes to reencrypt */
+ send_revocation_finished (rh, GNUNET_OK);
+ cleanup_revoke_ticket_handle (rh);
+ return;
+ } else {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Revocation Phase II: Re-encrypting attributes\n");
+ reenc_next_attribute (rh);
+ }
- label = GNUNET_STRINGS_data_to_string_alloc (&ih->ticket.rnd,
- sizeof (uint64_t));
- //Publish record
- ih->ns_qe = GNUNET_NAMESTORE_records_store (ns_handle,
- &ih->identity,
- label,
- 1,
- code_record,
- &store_ticket_issue_cont,
- ih);
- GNUNET_free (ecdhe_privkey);
- GNUNET_free (label);
- GNUNET_free (code_record_data);
}
-/**
- * Checks a ticket issue message
- *
- * @param cls client sending the message
- * @param im message of type `struct TicketIssueMessage`
- * @return #GNUNET_OK if @a im is well-formed
- */
+
+static void
+get_ticket_after_abe_bootstrap (void *cls,
+ struct GNUNET_ABE_AbeMasterKey *abe_key)
+{
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Finished ABE bootstrap\n");
+ struct TicketRevocationHandle *rh = cls;
+ rh->abe_key = abe_key;
+ TKT_database->get_ticket_attributes (TKT_database->cls,
+ &rh->ticket,
+ &process_attributes_to_update,
+ rh);
+}
+
static int
-check_ticket_issue_message(void *cls,
- const struct TicketIssueMessage *im)
+check_revoke_ticket_message(void *cls,
+ const struct RevokeTicketMessage *im)
{
uint16_t size;
size = ntohs (im->header.size);
- if (size <= sizeof (struct TicketIssueMessage))
+ if (size <= sizeof (struct RevokeTicketMessage))
{
GNUNET_break (0);
return GNUNET_SYSERR;
return GNUNET_OK;
}
-
-/**
- *
- * Handler for ticket issue message
- *
- * @param cls unused
- * @param client who sent the message
- * @param message the message
- */
static void
-handle_ticket_issue_message (void *cls,
- const struct TicketIssueMessage *im)
+handle_revoke_ticket_message (void *cls,
+ const struct RevokeTicketMessage *rm)
{
- struct TicketIssueHandle *ih;
+ struct TicketRevocationHandle *rh;
struct IdpClient *idp = cls;
- size_t attrs_len;
-
- ih = GNUNET_new (struct TicketIssueHandle);
- attrs_len = ntohs (im->attr_len);
- ih->attrs = attribute_list_deserialize ((char*)&im[1], attrs_len);
- ih->r_id = im->id;
- ih->client = idp;
- ih->identity = im->identity;
- GNUNET_CRYPTO_ecdsa_key_get_public (&ih->identity,
- &ih->ticket.identity);
- ih->ticket.audience = im->rp;
- ih->ticket.rnd =
- GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_STRONG,
- UINT64_MAX);
- bootstrap_abe (&ih->identity, &issue_ticket_after_abe_bootstrap, ih);
+ struct GNUNET_IDENTITY_PROVIDER_Ticket *ticket;
+
+ rh = GNUNET_new (struct TicketRevocationHandle);
+ ticket = (struct GNUNET_IDENTITY_PROVIDER_Ticket*)&rm[1];
+ rh->rvk_attrs = GNUNET_new (struct GNUNET_IDENTITY_ATTRIBUTE_ClaimList);
+ rh->ticket = *ticket;
+ rh->r_id = ntohl (rm->id);
+ rh->client = idp;
+ rh->identity = rm->identity;
+ GNUNET_CRYPTO_ecdsa_key_get_public (&rh->identity,
+ &rh->ticket.identity);
+ GNUNET_CONTAINER_DLL_insert (idp->revocation_list_head,
+ idp->revocation_list_tail,
+ rh);
+ bootstrap_abe (&rh->identity, &get_ticket_after_abe_bootstrap, rh, GNUNET_NO);
GNUNET_SERVICE_client_continue (idp->client);
}
-
static void
-cleanup_as_handle (struct AttributeStoreHandle *handle)
+cleanup_consume_ticket_handle (struct ConsumeTicketHandle *handle)
{
- if (NULL != handle->attribute)
- GNUNET_free (handle->attribute);
- if (NULL != handle->abe_key)
- GNUNET_free (handle->abe_key);
+ if (NULL != handle->key)
+ GNUNET_ABE_cpabe_delete_key (handle->key,
+ GNUNET_YES);
+ if (NULL != handle->attrs)
+ GNUNET_IDENTITY_ATTRIBUTE_list_destroy (handle->attrs);
GNUNET_free (handle);
}
-/**
- * Checks a ticket consume message
- *
- * @param cls client sending the message
- * @param im message of type `struct ConsumeTicketMessage`
- * @return #GNUNET_OK if @a im is well-formed
- */
+
+
static int
check_consume_ticket_message(void *cls,
const struct ConsumeTicketMessage *cm)
process_parallel_lookup2 (void *cls, uint32_t rd_count,
const struct GNUNET_GNSRECORD_Data *rd)
{
- GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Parallel lookup finished (count=%u)\n", rd_count);
- struct ParallelLookup2 *parallel_lookup = cls;
+ struct ParallelLookup *parallel_lookup = cls;
struct ConsumeTicketHandle *handle = parallel_lookup->handle;
- struct AttributeResultMessage *arm;
+ struct ConsumeTicketResultMessage *crm;
struct GNUNET_MQ_Envelope *env;
+ struct GNUNET_IDENTITY_ATTRIBUTE_ClaimListEntry *attr_le;
+ struct GNUNET_TIME_Absolute decrypt_duration;
char *data;
char *data_tmp;
- size_t msg_extra_len;
+ ssize_t attr_len;
+ 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_ID_ATTR)
{
- msg_extra_len = GNUNET_CRYPTO_cpabe_decrypt (rd->data,
- rd->data_size,
- handle->key,
- (void**)&data);
- env = GNUNET_MQ_msg_extra (arm,
- msg_extra_len,
- GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_ATTRIBUTE_RESULT);
- arm->id = htonl (handle->r_id);
- arm->attr_len = htons (msg_extra_len);
- arm->identity = handle->ticket.identity;
- data_tmp = (char *) &arm[1];
- GNUNET_memcpy (data_tmp,
- data,
- msg_extra_len);
- GNUNET_MQ_send (handle->client->mq, env);
- GNUNET_free (data);
+ decrypt_duration = GNUNET_TIME_absolute_get ();
+ attr_len = GNUNET_ABE_cpabe_decrypt (rd->data + sizeof (uint32_t),
+ rd->data_size - sizeof (uint32_t),
+ handle->key,
+ (void**)&data);
+ if (GNUNET_SYSERR != attr_len)
+ {
+ GNUNET_STATISTICS_update (stats,
+ "abe_decrypt_time_total",
+ GNUNET_TIME_absolute_get_duration (decrypt_duration).rel_value_us,
+ GNUNET_YES);
+ GNUNET_STATISTICS_update (stats,
+ "abe_decrypt_count",
+ 1,
+ GNUNET_YES);
+
+ attr_le = GNUNET_new (struct GNUNET_IDENTITY_ATTRIBUTE_ClaimListEntry);
+ attr_le->claim = GNUNET_IDENTITY_ATTRIBUTE_deserialize (data,
+ attr_len);
+ attr_le->claim->version = ntohl(*(uint32_t*)rd->data);
+ GNUNET_CONTAINER_DLL_insert (handle->attrs->list_head,
+ handle->attrs->list_tail,
+ attr_le);
+ GNUNET_free (data);
+ }
}
if (NULL != handle->parallel_lookups_head)
return; //Wait for more
- //Else we are done
+ /* Else we are done */
+
+ /* Store ticket in DB */
+ 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);
- env = GNUNET_MQ_msg (arm,
- GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_ATTRIBUTE_RESULT);
- arm->id = htonl (handle->r_id);
- arm->attr_len = htons (0);
+ attrs_len = GNUNET_IDENTITY_ATTRIBUTE_list_serialize_get_size (handle->attrs);
+ env = GNUNET_MQ_msg_extra (crm,
+ attrs_len,
+ GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_CONSUME_TICKET_RESULT);
+ crm->id = htonl (handle->r_id);
+ crm->attrs_len = htons (attrs_len);
+ crm->identity = handle->ticket.identity;
+ data_tmp = (char *) &crm[1];
+ GNUNET_IDENTITY_ATTRIBUTE_list_serialize (handle->attrs,
+ data_tmp);
GNUNET_MQ_send (handle->client->mq, env);
+ cleanup_consume_ticket_handle (handle);
}
void
abort_parallel_lookups2 (void *cls)
{
struct ConsumeTicketHandle *handle = cls;
- struct ParallelLookup2 *lu;
- struct ParallelLookup2 *tmp;
+ struct ParallelLookup *lu;
+ struct ParallelLookup *tmp;
struct AttributeResultMessage *arm;
struct GNUNET_MQ_Envelope *env;
}
-static void
-cleanup_consume_ticket_handle (struct ConsumeTicketHandle *handle)
-{
- if (NULL != handle->key)
- GNUNET_free (handle->key);
- GNUNET_free (handle);
-}
-
static void
process_consume_abe_key (void *cls, uint32_t rd_count,
struct GNUNET_CRYPTO_SymmetricSessionKey enc_key;
struct GNUNET_CRYPTO_SymmetricInitializationVector enc_iv;
struct GNUNET_CRYPTO_EcdhePublicKey *ecdh_key;
- struct ParallelLookup2 *parallel_lookup;
+ struct ParallelLookup *parallel_lookup;
size_t size;
char *buf;
char *scope;
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,
+ "abe_key_lookup_time_total",
+ GNUNET_TIME_absolute_get_duration (handle->lookup_start_time).rel_value_us,
+ GNUNET_YES);
+ GNUNET_STATISTICS_update (stats,
+ "abe_key_lookups_count",
+ 1,
+ GNUNET_YES);
scopes = GNUNET_strdup (buf);
- GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Scopes %s\n", scopes);
- handle->key = GNUNET_CRYPTO_cpabe_deserialize_key ((void*)(buf + strlen (scopes) + 1),
+ handle->key = GNUNET_ABE_cpabe_deserialize_key ((void*)(buf + strlen (scopes) + 1),
rd->data_size - sizeof (struct GNUNET_CRYPTO_EcdhePublicKey)
- strlen (scopes) - 1);
GNUNET_asprintf (&lookup_query,
"%s.gnu",
scope);
- GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Looking up %s\n", lookup_query);
- parallel_lookup = GNUNET_new (struct ParallelLookup2);
+ parallel_lookup = GNUNET_new (struct ParallelLookup);
parallel_lookup->handle = handle;
parallel_lookup->label = GNUNET_strdup (scope);
+ parallel_lookup->lookup_start_time = GNUNET_TIME_absolute_get();
parallel_lookup->lookup_request
= GNUNET_GNS_lookup (gns_handle,
lookup_query,
&handle->ticket.identity,
GNUNET_GNSRECORD_TYPE_ID_ATTR,
- GNUNET_GNS_LO_LOCAL_MASTER,
+ 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 (lookup_query);
}
+ GNUNET_free (scopes);
+ GNUNET_free (buf);
handle->kill_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MINUTES,3),
&abort_parallel_lookups2,
handle);
}
-/**
- *
- * Handler for ticket issue message
- *
- * @param cls unused
- * @param client who sent the message
- * @param message the message
- */
static void
handle_consume_ticket_message (void *cls,
const struct ConsumeTicketMessage *cm)
ch->r_id = ntohl (cm->id);
ch->client = idp;
ch->identity = cm->identity;
+ ch->attrs = GNUNET_new (struct GNUNET_IDENTITY_ATTRIBUTE_ClaimList);
GNUNET_CRYPTO_ecdsa_key_get_public (&ch->identity,
&ch->identity_pub);
- ch->ticket = *((struct GNUNET_IDENTITY_PROVIDER_Ticket2*)&cm[1]);
+ ch->ticket = *((struct GNUNET_IDENTITY_PROVIDER_Ticket*)&cm[1]);
rnd_label = GNUNET_STRINGS_data_to_string_alloc (&ch->ticket.rnd,
sizeof (uint64_t));
GNUNET_asprintf (&lookup_query,
"%s.gnu",
rnd_label);
- GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Looking for ABE key under %s\n", lookup_query);
-
+ ch->lookup_start_time = GNUNET_TIME_absolute_get ();
ch->lookup_request
= GNUNET_GNS_lookup (gns_handle,
lookup_query,
&ch->ticket.identity,
GNUNET_GNSRECORD_TYPE_ABE_KEY,
- GNUNET_GNS_LO_LOCAL_MASTER,
+ GNUNET_GNS_LO_DEFAULT,
&process_consume_abe_key,
ch);
+ GNUNET_free (rnd_label);
GNUNET_free (lookup_query);
GNUNET_SERVICE_client_continue (idp->client);
}
-void
+static void
+cleanup_as_handle (struct AttributeStoreHandle *handle)
+{
+ if (NULL != handle->claim)
+ GNUNET_free (handle->claim);
+ if (NULL != handle->abe_key)
+ GNUNET_ABE_cpabe_delete_master_key (handle->abe_key);
+ GNUNET_free (handle);
+}
+
+static void
attr_store_cont (void *cls,
int32_t success,
const char *emsg)
{
struct AttributeStoreHandle *as_handle = cls;
struct GNUNET_MQ_Envelope *env;
- struct AttributeStoreResponseMessage *acr_msg;
+ struct AttributeStoreResultMessage *acr_msg;
if (GNUNET_SYSERR == success)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Failed to store attribute %s\n",
emsg);
+ cleanup_as_handle (as_handle);
GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
return;
}
struct AttributeStoreHandle *as_handle = cls;
struct GNUNET_GNSRECORD_Data rd[1];
char* buf;
+ char* policy;
+ char* enc_buf;
+ char* rd_buf;
+ size_t enc_size;
size_t buf_size;
+ uint32_t attr_ver;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Storing attribute\n");
- buf_size = attribute_serialize_get_size (as_handle->attribute);
+ buf_size = GNUNET_IDENTITY_ATTRIBUTE_serialize_get_size (as_handle->claim);
buf = GNUNET_malloc (buf_size);
- attribute_serialize (as_handle->attribute,
+ GNUNET_IDENTITY_ATTRIBUTE_serialize (as_handle->claim,
buf);
+ GNUNET_asprintf (&policy,
+ "%s_%lu",
+ as_handle->claim->name,
+ as_handle->claim->version);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Encrypting with policy %s\n", policy);
/**
* Encrypt the attribute value and store in namestore
*/
- rd[0].data_size = GNUNET_CRYPTO_cpabe_encrypt (buf,
- buf_size,
- as_handle->attribute->name, //Policy
- as_handle->abe_key,
- (void**)&rd[0].data);
+ enc_size = GNUNET_ABE_cpabe_encrypt (buf,
+ buf_size,
+ policy, //Policy
+ as_handle->abe_key,
+ (void**)&enc_buf);
GNUNET_free (buf);
+ GNUNET_free (policy);
+ rd[0].data_size = enc_size + sizeof (uint32_t);
+ rd_buf = GNUNET_malloc (rd[0].data_size);
+ attr_ver = htonl (as_handle->claim->version);
+ GNUNET_memcpy (rd_buf,
+ &attr_ver,
+ sizeof (uint32_t));
+ GNUNET_memcpy (rd_buf+sizeof (uint32_t),
+ enc_buf,
+ enc_size);
+ rd[0].data = rd_buf;
rd[0].record_type = GNUNET_GNSRECORD_TYPE_ID_ATTR;
rd[0].flags = GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION;
rd[0].expiration_time = GNUNET_TIME_UNIT_HOURS.rel_value_us; //TODO sane?
as_handle->ns_qe = GNUNET_NAMESTORE_records_store (ns_handle,
&as_handle->identity,
- as_handle->attribute->name,
+ as_handle->claim->name,
1,
rd,
&attr_store_cont,
as_handle);
- GNUNET_free ((void*)rd[0].data);
-
+ GNUNET_free (enc_buf);
+ GNUNET_free (rd_buf);
}
static void
store_after_abe_bootstrap (void *cls,
- struct GNUNET_CRYPTO_AbeMasterKey *abe_key)
+ struct GNUNET_ABE_AbeMasterKey *abe_key)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Finished ABE bootstrap\n");
GNUNET_SCHEDULER_add_now (&attr_store_task, ash);
}
-/**
- * Checks a store message
- *
- * @param cls client sending the message
- * @param sam message of type `struct AttributeStoreMessage`
- * @return #GNUNET_OK if @a im is well-formed
- */
static int
check_attribute_store_message(void *cls,
const struct AttributeStoreMessage *sam)
}
-/**
- *
- * Handler for store message
- *
- * @param cls unused
- * @param client who sent the message
- * @param message the message
- */
static void
handle_attribute_store_message (void *cls,
const struct AttributeStoreMessage *sam)
data_len = ntohs (sam->attr_len);
as_handle = GNUNET_new (struct AttributeStoreHandle);
- as_handle->attribute = attribute_deserialize ((char*)&sam[1],
+ as_handle->claim = GNUNET_IDENTITY_ATTRIBUTE_deserialize ((char*)&sam[1],
data_len);
as_handle->r_id = ntohl (sam->id);
GNUNET_SERVICE_client_continue (idp->client);
as_handle->client = idp;
- bootstrap_abe (&as_handle->identity, &store_after_abe_bootstrap, as_handle);
+ bootstrap_abe (&as_handle->identity, &store_after_abe_bootstrap, as_handle, GNUNET_NO);
}
static void
cleanup_iter_handle (struct AttributeIterator *ai)
{
if (NULL != ai->abe_key)
- GNUNET_free (ai->abe_key);
+ GNUNET_ABE_cpabe_delete_master_key (ai->abe_key);
GNUNET_CONTAINER_DLL_remove (ai->client->op_head,
ai->client->op_tail,
ai);
static void
attr_iter_error (void *cls)
{
- //struct AttributeIterator *ai = cls;
+ struct AttributeIterator *ai = cls;
//TODO
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Failed to iterate over attributes\n");
+ cleanup_iter_handle (ai);
GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
}
{
struct AttributeIterator *ai = cls;
struct AttributeResultMessage *arm;
- struct GNUNET_CRYPTO_AbeKey *key;
+ struct GNUNET_ABE_AbeKey *key;
struct GNUNET_MQ_Envelope *env;
ssize_t msg_extra_len;
char* attr_ser;
char* attrs[2];
char* data_tmp;
+ char* policy;
+ uint32_t attr_ver;
if (rd_count != 1)
{
GNUNET_NAMESTORE_zone_iterator_next (ai->ns_it);
return;
}
- attrs[0] = (char*)label;
+ attr_ver = ntohl(*((uint32_t*)rd->data));
+ GNUNET_asprintf (&policy, "%s_%lu",
+ label, attr_ver);
+ attrs[0] = policy;
attrs[1] = 0;
- key = GNUNET_CRYPTO_cpabe_create_key (ai->abe_key,
+ key = GNUNET_ABE_cpabe_create_key (ai->abe_key,
attrs);
- msg_extra_len = GNUNET_CRYPTO_cpabe_decrypt (rd->data,
- rd->data_size,
+ msg_extra_len = GNUNET_ABE_cpabe_decrypt (rd->data+sizeof (uint32_t),
+ rd->data_size-sizeof (uint32_t),
key,
(void**)&attr_ser);
- GNUNET_CRYPTO_cpabe_delete_key (key);
+
+ GNUNET_ABE_cpabe_delete_key (key,
+ GNUNET_YES);
+ //GNUNET_free (policy);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Found attribute: %s\n", label);
env = GNUNET_MQ_msg_extra (arm,
msg_extra_len);
GNUNET_MQ_send (ai->client->mq, env);
GNUNET_free (attr_ser);
+ GNUNET_ABE_cpabe_delete_master_key (ai->abe_key);
+ ai->abe_key = NULL;
}
void
iterate_after_abe_bootstrap (void *cls,
- struct GNUNET_CRYPTO_AbeMasterKey *abe_key)
+ struct GNUNET_ABE_AbeMasterKey *abe_key)
{
struct AttributeIterator *ai = cls;
ai->abe_key = abe_key;
ai);
}
+void
+iterate_next_after_abe_bootstrap (void *cls,
+ struct GNUNET_ABE_AbeMasterKey *abe_key)
+{
+ struct AttributeIterator *ai = cls;
+ ai->abe_key = abe_key;
+ GNUNET_NAMESTORE_zone_iterator_next (ai->ns_it);
+}
+
+
-/**
- * Handles a #GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_ITERATION_START message
- *
- * @param cls the client sending the message
- * @param zis_msg message from the client
- */
static void
handle_iteration_start (void *cls,
const struct AttributeIterationStartMessage *ais_msg)
GNUNET_CONTAINER_DLL_insert (idp->op_head,
idp->op_tail,
ai);
- bootstrap_abe (&ai->identity, &iterate_after_abe_bootstrap, ai);
+ bootstrap_abe (&ai->identity, &iterate_after_abe_bootstrap, ai, GNUNET_NO);
GNUNET_SERVICE_client_continue (idp->client);
}
-/**
- * Handles a #GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_ITERATION_STOP message
- *
- * @param cls the client sending the message
- * @param ais_msg message from the client
- */
static void
handle_iteration_stop (void *cls,
const struct AttributeIterationStopMessage *ais_msg)
}
-/**
- * Handles a #GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_ATTRIBUTE_ITERATION_NEXT message
- *
- * @param cls the client sending the message
- * @param message message from the client
- */
static void
handle_iteration_next (void *cls,
const struct AttributeIterationNextMessage *ais_msg)
GNUNET_SERVICE_client_drop (idp->client);
return;
}
- GNUNET_NAMESTORE_zone_iterator_next (ai->ns_it);
+ bootstrap_abe (&ai->identity,
+ &iterate_next_after_abe_bootstrap,
+ ai,
+ GNUNET_NO);
GNUNET_SERVICE_client_continue (idp->client);
}
+/**
+ * Ticket iteration processor result
+ */
+enum ZoneIterationResult
+{
+ /**
+ * Iteration start.
+ */
+ IT_START = 0,
+
+ /**
+ * Found tickets,
+ * Continue to iterate with next iteration_next call
+ */
+ IT_SUCCESS_MORE_AVAILABLE = 1,
+
+ /**
+ * Iteration complete
+ */
+ IT_SUCCESS_NOT_MORE_RESULTS_AVAILABLE = 2
+};
+
+
+/**
+ * Context for ticket iteration
+ */
+struct TicketIterationProcResult
+{
+ /**
+ * The ticket iteration handle
+ */
+ struct TicketIteration *ti;
+
+ /**
+ * Iteration result: iteration done?
+ * #IT_SUCCESS_MORE_AVAILABLE: if there may be more results overall but
+ * we got one for now and have sent it to the client
+ * #IT_SUCCESS_NOT_MORE_RESULTS_AVAILABLE: if there are no further results,
+ * #IT_START: if we are still trying to find a result.
+ */
+ int res_iteration_finished;
+
+};
+
+static void
+cleanup_ticket_iter_handle (struct TicketIteration *ti)
+{
+ GNUNET_free (ti);
+}
+
+/**
+ * Process ticket from database
+ *
+ * @param cls struct TicketIterationProcResult
+ * @param ticket the ticket
+ * @param attrs the attributes
+ */
+static void
+ticket_iterate_proc (void *cls,
+ const struct GNUNET_IDENTITY_PROVIDER_Ticket *ticket,
+ const struct GNUNET_IDENTITY_ATTRIBUTE_ClaimList *attrs)
+{
+ struct TicketIterationProcResult *proc = cls;
+
+ if (NULL == ticket)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Iteration done\n");
+ proc->res_iteration_finished = IT_SUCCESS_NOT_MORE_RESULTS_AVAILABLE;
+ return;
+ }
+ proc->res_iteration_finished = IT_SUCCESS_MORE_AVAILABLE;
+ send_ticket_result (proc->ti->client,
+ proc->ti->r_id,
+ ticket,
+ attrs);
+
+}
+
+/**
+ * Perform ticket iteration step
+ *
+ * @param ti ticket iterator to process
+ */
+static void
+run_ticket_iteration_round (struct TicketIteration *ti)
+{
+ struct TicketIterationProcResult proc;
+ struct GNUNET_MQ_Envelope *env;
+ struct TicketResultMessage *trm;
+ int ret;
+
+ memset (&proc, 0, sizeof (proc));
+ proc.ti = ti;
+ proc.res_iteration_finished = IT_START;
+ while (IT_START == proc.res_iteration_finished)
+ {
+ if (GNUNET_SYSERR ==
+ (ret = TKT_database->iterate_tickets (TKT_database->cls,
+ &ti->identity,
+ ti->is_audience,
+ ti->offset,
+ &ticket_iterate_proc,
+ &proc)))
+ {
+ GNUNET_break (0);
+ break;
+ }
+ if (GNUNET_NO == ret)
+ proc.res_iteration_finished = IT_SUCCESS_NOT_MORE_RESULTS_AVAILABLE;
+ ti->offset++;
+ }
+ if (IT_SUCCESS_MORE_AVAILABLE == proc.res_iteration_finished)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "More results available\n");
+ return; /* more later */
+ }
+ /* send empty response to indicate end of list */
+ env = GNUNET_MQ_msg (trm,
+ GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_TICKET_RESULT);
+ trm->id = htonl (ti->r_id);
+ GNUNET_MQ_send (ti->client->mq,
+ env);
+ GNUNET_CONTAINER_DLL_remove (ti->client->ticket_iter_head,
+ ti->client->ticket_iter_tail,
+ ti);
+ cleanup_ticket_iter_handle (ti);
+}
+
+static void
+handle_ticket_iteration_start (void *cls,
+ const struct TicketIterationStartMessage *tis_msg)
+{
+ struct IdpClient *client = cls;
+ struct TicketIteration *ti;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received TICKET_ITERATION_START message\n");
+ ti = GNUNET_new (struct TicketIteration);
+ ti->r_id = ntohl (tis_msg->id);
+ ti->offset = 0;
+ ti->client = client;
+ ti->identity = tis_msg->identity;
+ ti->is_audience = ntohl (tis_msg->is_audience);
+
+ GNUNET_CONTAINER_DLL_insert (client->ticket_iter_head,
+ client->ticket_iter_tail,
+ ti);
+ run_ticket_iteration_round (ti);
+ GNUNET_SERVICE_client_continue (client->client);
+}
+
+
+static void
+handle_ticket_iteration_stop (void *cls,
+ const struct TicketIterationStopMessage *tis_msg)
+{
+ struct IdpClient *client = cls;
+ struct TicketIteration *ti;
+ uint32_t rid;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received `%s' message\n",
+ "TICKET_ITERATION_STOP");
+ rid = ntohl (tis_msg->id);
+ for (ti = client->ticket_iter_head; NULL != ti; ti = ti->next)
+ if (ti->r_id == rid)
+ break;
+ if (NULL == ti)
+ {
+ GNUNET_break (0);
+ GNUNET_SERVICE_client_drop (client->client);
+ return;
+ }
+ GNUNET_CONTAINER_DLL_remove (client->ticket_iter_head,
+ client->ticket_iter_tail,
+ ti);
+ cleanup_ticket_iter_handle (ti);
+ GNUNET_SERVICE_client_continue (client->client);
+}
+
+
+static void
+handle_ticket_iteration_next (void *cls,
+ const struct TicketIterationNextMessage *tis_msg)
+{
+ struct IdpClient *client = cls;
+ struct TicketIteration *ti;
+ uint32_t rid;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received TICKET_ITERATION_NEXT message\n");
+ rid = ntohl (tis_msg->id);
+ for (ti = client->ticket_iter_head; NULL != ti; ti = ti->next)
+ if (ti->r_id == rid)
+ break;
+ if (NULL == ti)
+ {
+ GNUNET_break (0);
+ GNUNET_SERVICE_client_drop (client->client);
+ return;
+ }
+ run_ticket_iteration_round (ti);
+ GNUNET_SERVICE_client_continue (client->client);
+}
+
* Main function that will be run
*
* @param cls closure
- * @param args remaining command-line arguments
- * @param cfgfile name of the configuration file used (for saving, can be NULL)
- * @param c configuration
+ * @param c the configuration used
+ * @param server the service handle
*/
static void
run (void *cls,
const struct GNUNET_CONFIGURATION_Handle *c,
struct GNUNET_SERVICE_Handle *server)
{
+ char *database;
cfg = c;
stats = GNUNET_STATISTICS_create ("identity-provider", cfg);
identity_handle = GNUNET_IDENTITY_connect (cfg,
NULL,
NULL);
+ /* Loading DB plugin */
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (cfg,
+ "identity-provider",
+ "database",
+ &database))
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "No database backend configured\n");
+ GNUNET_asprintf (&db_lib_name,
+ "libgnunet_plugin_identity_provider_%s",
+ database);
+ TKT_database = GNUNET_PLUGIN_load (db_lib_name,
+ (void *) cfg);
+ GNUNET_free (database);
+ if (NULL == TKT_database)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Could not load database backend `%s'\n",
+ db_lib_name);
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
if (GNUNET_OK ==
GNUNET_CONFIGURATION_get_value_time (cfg,
{
struct IdpClient *idp = app_ctx;
struct AttributeIterator *ai;
+ struct TicketIteration *ti;
+ struct TicketRevocationHandle *rh;
//TODO other operations
ai);
GNUNET_free (ai);
}
+ while (NULL != (rh = idp->revocation_list_head))
+ {
+ GNUNET_CONTAINER_DLL_remove (idp->revocation_list_head,
+ idp->revocation_list_tail,
+ rh);
+ cleanup_revoke_ticket_handle (rh);
+ }
+ while (NULL != (ti = idp->ticket_iter_head))
+ {
+ GNUNET_CONTAINER_DLL_remove (idp->ticket_iter_head,
+ idp->ticket_iter_tail,
+ ti);
+ cleanup_ticket_iter_handle (ti);
+ }
GNUNET_free (idp);
}
&client_connect_cb,
&client_disconnect_cb,
NULL,
- GNUNET_MQ_hd_var_size (issue_message,
- GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_ISSUE,
- struct IssueMessage,
- NULL),
- GNUNET_MQ_hd_var_size (exchange_message,
- GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_EXCHANGE,
- struct ExchangeMessage,
- NULL),
GNUNET_MQ_hd_var_size (attribute_store_message,
GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_ATTRIBUTE_STORE,
struct AttributeStoreMessage,
GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_ATTRIBUTE_ITERATION_STOP,
struct AttributeIterationStopMessage,
NULL),
- GNUNET_MQ_hd_var_size (ticket_issue_message,
- GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_TICKET_ISSUE,
- struct TicketIssueMessage,
+ GNUNET_MQ_hd_var_size (issue_ticket_message,
+ GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_ISSUE_TICKET,
+ struct IssueTicketMessage,
NULL),
GNUNET_MQ_hd_var_size (consume_ticket_message,
GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_CONSUME_TICKET,
struct ConsumeTicketMessage,
NULL),
+ GNUNET_MQ_hd_fixed_size (ticket_iteration_start,
+ GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_TICKET_ITERATION_START,
+ struct TicketIterationStartMessage,
+ NULL),
+ GNUNET_MQ_hd_fixed_size (ticket_iteration_next,
+ GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_TICKET_ITERATION_NEXT,
+ struct TicketIterationNextMessage,
+ NULL),
+ GNUNET_MQ_hd_fixed_size (ticket_iteration_stop,
+ GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_TICKET_ITERATION_STOP,
+ struct TicketIterationStopMessage,
+ NULL),
+ GNUNET_MQ_hd_var_size (revoke_ticket_message,
+ GNUNET_MESSAGE_TYPE_IDENTITY_PROVIDER_REVOKE_TICKET,
+ struct RevokeTicketMessage,
+ NULL),
GNUNET_MQ_handler_end());
/* end of gnunet-service-identity-provider.c */