Boston, MA 02110-1301, USA.
*/
/**
- * @file gns/gnunet-service-credential.c
- * @brief GNU Credential Service (main service)
- * @author Adnan Husain
+ * @file credential/gnunet-service-credential.c
+ * @brief GNUnet Credential Service (main service)
+ * @author Martin Schanzenbach
*/
#include "platform.h"
#include "gnunet_util_lib.h"
}
GNUNET_free (dq_entry);
}
- if (NULL != ds_entry->issuer_key)
- GNUNET_free (ds_entry->issuer_key);
- if (NULL != ds_entry->lookup_attribute)
- GNUNET_free (ds_entry->lookup_attribute);
- if (NULL != ds_entry->issuer_attribute)
- GNUNET_free (ds_entry->issuer_attribute);
- if (NULL != ds_entry->unresolved_attribute_delegation)
- GNUNET_free (ds_entry->unresolved_attribute_delegation);
- if (NULL != ds_entry->attr_trailer)
- GNUNET_free (ds_entry->attr_trailer);
+ GNUNET_free_non_null (ds_entry->issuer_key);
+ GNUNET_free_non_null (ds_entry->lookup_attribute);
+ GNUNET_free_non_null (ds_entry->issuer_attribute);
+ GNUNET_free_non_null (ds_entry->unresolved_attribute_delegation);
+ GNUNET_free_non_null (ds_entry->attr_trailer);
if (NULL != ds_entry->lookup_request)
{
GNUNET_GNS_lookup_cancel (ds_entry->lookup_request);
}
if (NULL != ds_entry->delegation_chain_entry)
{
- if (NULL != ds_entry->delegation_chain_entry->subject_attribute)
- GNUNET_free (ds_entry->delegation_chain_entry->subject_attribute);
- if (NULL != ds_entry->delegation_chain_entry->issuer_attribute)
- GNUNET_free (ds_entry->delegation_chain_entry->issuer_attribute);
+ GNUNET_free_non_null (ds_entry->delegation_chain_entry->subject_attribute);
+ GNUNET_free_non_null (ds_entry->delegation_chain_entry->issuer_attribute);
GNUNET_free (ds_entry->delegation_chain_entry);
}
GNUNET_free (ds_entry);
vrh->lookup_request = NULL;
}
cleanup_delegation_set (vrh->root_set);
- if (NULL != vrh->issuer_attribute)
- GNUNET_free (vrh->issuer_attribute);
+ GNUNET_free_non_null (vrh->issuer_attribute);
for (cr_entry = vrh->cred_chain_head;
NULL != vrh->cred_chain_head;
cr_entry = vrh->cred_chain_head)
GNUNET_CONTAINER_DLL_remove (vrh->cred_chain_head,
vrh->cred_chain_tail,
cr_entry);
- if (NULL != cr_entry->credential);
- GNUNET_free (cr_entry->credential);
+ GNUNET_free_non_null (cr_entry->credential);
GNUNET_free (cr_entry);
}
GNUNET_free (vrh);
}
-/**
- * Task run during shutdown.
- *
- * @param cls unused
- * @param tc unused
- */
static void
shutdown_task (void *cls)
{
-/**
- * Send.
- *
- * @param handle the handle to the request
- */
static void
send_lookup_response (struct VerifyRequestHandle *vrh)
{
struct CredentialRecordEntry *cd;
struct CredentialRecordEntry *tmp;
size_t size;
- int i;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Sending response\n");
dce = vrh->delegation_chain_head;
- for (i=0;i<vrh->delegation_chain_size;i++)
+ for (uint32_t i=0;i<vrh->delegation_chain_size;i++)
{
dd[i].issuer_key = dce->issuer_key;
dd[i].subject_key = dce->subject_key;
* Append at the end of rmsg
*/
cd = vrh->cred_chain_head;
- for (i=0;i<vrh->cred_chain_size;i++)
+ for (uint32_t i=0;i<vrh->cred_chain_size;i++)
{
cred[i].issuer_key = cd->credential->issuer_key;
cred[i].subject_key = cd->credential->subject_key;
struct DelegationQueueEntry *dq_entry;
char *expanded_attr;
char *lookup_attribute;
- int i;
- int j;
current_set = cls;
"Got %d attrs\n", rd_count);
// Each OR
- for (i=0; i < rd_count; i++)
+ for (uint32_t i=0; i < rd_count; i++)
{
if (GNUNET_GNSRECORD_TYPE_ATTRIBUTE != rd[i].record_type)
continue;
current_set->queue_entries_tail,
dq_entry);
// Each AND
- for (j=0; j<ntohl(sets->set_count); j++)
+ for (uint32_t j=0; j<ntohl(sets->set_count); j++)
{
ds_entry = GNUNET_new (struct DelegationSetQueueEntry);
if (NULL != current_set->attr_trailer)
strcpy (issuer_attribute_name,
ds_entry->unresolved_attribute_delegation);
char *next_attr = strtok (issuer_attribute_name, ".");
+ if (NULL == next_attr)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to parse next attribute\n");
+ continue;
+ }
GNUNET_asprintf (&lookup_attribute,
"%s.gnu",
next_attr);
* Result from GNS lookup.
*
* @param cls the closure (our client lookup handle)
- * @param rd_count the number of records in @a rd
- * @param rd the record data
*/
static void
delegation_chain_resolution_start (void* cls)
* Check for attributes from the issuer and follow the chain
* till you get the required subject's attributes
*/
- char issuer_attribute_name[strlen (vrh->issuer_attribute)];
+ char issuer_attribute_name[strlen (vrh->issuer_attribute) + strlen (".gnu") + 1];
strcpy (issuer_attribute_name,
vrh->issuer_attribute);
strcpy (issuer_attribute_name + strlen (vrh->issuer_attribute),
ds_entry);
}
-/**
- * Checks a #GNUNET_MESSAGE_TYPE_CREDENTIAL_VERIFY message
- *
- * @param cls client sending the message
- * @param v_msg message of type `struct VerifyMessage`
- * @return #GNUNET_OK if @a v_msg is well-formed
- */
static int
check_verify (void *cls,
const struct VerifyMessage *v_msg)
return GNUNET_OK;
}
-/**
- * Handle Credential verification requests from client
- *
- * @param cls the closure
- * @param client the client
- * @param message the message
- */
static void
handle_verify (void *cls,
const struct VerifyMessage *v_msg)
struct CredentialRecordEntry *cr_entry;
uint32_t credentials_count;
uint32_t credential_data_size;
- int i;
char attr[GNUNET_CREDENTIAL_MAX_LENGTH + 1];
char issuer_attribute[GNUNET_CREDENTIAL_MAX_LENGTH + 1];
char *attrptr = attr;
vrh->issuer_key = v_msg->issuer_key;
vrh->subject_key = v_msg->subject_key;
vrh->issuer_attribute = GNUNET_strdup (issuer_attribute);
- if (NULL == issuer_attribute)
+ if (0 == strlen (issuer_attribute))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"No issuer attribute provided!\n");
return;
}
- for (i=0;i<credentials_count;i++) {
+ for (uint32_t i=0;i<credentials_count;i++) {
cr_entry = GNUNET_new (struct CredentialRecordEntry);
cr_entry->credential = GNUNET_malloc (sizeof (struct GNUNET_CREDENTIAL_Credential) +
credentials[i].issuer_attribute_len);
}
-/**
- * We encountered an error while collecting
- */
static void
handle_cred_collection_error_cb (void *cls)
{
struct VerifyRequestHandle *vrh = cls;
vrh->collect_next_task = NULL;
GNUNET_assert (NULL != vrh->cred_collection_iter);
- GNUNET_NAMESTORE_zone_iterator_next (vrh->cred_collection_iter);
+ GNUNET_NAMESTORE_zone_iterator_next (vrh->cred_collection_iter,
+ 1);
}
-/**
- * Store credential
- */
+
static void
handle_cred_collection_cb (void *cls,
const struct GNUNET_CRYPTO_EcdsaPrivateKey *key,
struct GNUNET_CREDENTIAL_Credential *crd;
struct CredentialRecordEntry *cr_entry;
int cred_record_count;
- int i;
cred_record_count = 0;
- for (i=0; i < rd_count; i++)
+ for (uint32_t i=0; i < rd_count; i++)
{
if (GNUNET_GNSRECORD_TYPE_CREDENTIAL != rd[i].record_type)
continue;
vrh);
}
-/**
- * We encountered an error while collecting
- */
static void
handle_cred_collection_finished_cb (void *cls)
{
delegation_chain_resolution_start (vrh);
}
-/**
- * Handle Credential collection requests from client
- *
- * @param cls the closure
- * @param client the client
- * @param message the message
- */
static void
handle_collect (void *cls,
const struct CollectMessage *c_msg)
&vrh->subject_key);
vrh->issuer_attribute = GNUNET_strdup (issuer_attribute);
- if (NULL == issuer_attribute)
+ if (0 == strlen (issuer_attribute))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"No issuer attribute provided!\n");
}
-/**
- * Checks a #GNUNET_MESSAGE_TYPE_CREDENTIAL_COLLECT message
- *
- * @param cls client sending the message
- * @param v_msg message of type `struct CollectMessage`
- * @return #GNUNET_OK if @a v_msg is well-formed
- */
static int
check_collect (void *cls,
const struct CollectMessage *c_msg)
}
attr = (const char *) &c_msg[1];
- if ( ('\0' != attr[ntohs(c_msg->header.size) - sizeof (struct CollectMessage) - 1]) ||
+ if ( ('\0' != attr[msg_size - sizeof (struct CollectMessage) - 1]) ||
(strlen (attr) > GNUNET_CREDENTIAL_MAX_LENGTH) )
{
GNUNET_break (0);
return GNUNET_OK;
}
-/**
- * One of our clients disconnected, clean up after it.
- *
- * @param cls NULL
- * @param client the client that disconnected
- */
static void
client_disconnect_cb (void *cls,
struct GNUNET_SERVICE_Client *client,
client);
}
-/**
- * Add a client to our list of active clients.
- *
- * @param cls NULL
- * @param client client to add
- * @param mq message queue for @a client
- * @return this client
- */
static void *
client_connect_cb (void *cls,
struct GNUNET_SERVICE_Client *client,
* Process Credential requests.
*
* @param cls closure
- * @param server the initialized server
* @param c configuration to use
+ * @param handle service handle
*/
static void
run (void *cls,
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