#include "platform.h"
#include "gnunet-service-core_kx.h"
#include "gnunet-service-core.h"
-#include "gnunet-service-core_clients.h"
#include "gnunet-service-core_sessions.h"
#include "gnunet_statistics_service.h"
#include "gnunet_transport_core_service.h"
* Message queue for sending messages to @a peer.
*/
struct GNUNET_MQ_Handle *mq;
-
+
+ /**
+ * Our message stream tokenizer (for encrypted payload).
+ */
+ struct GNUNET_MessageStreamTokenizer *mst;
+
/**
* PING message we transmit to the other peer.
*/
* last were received (good for accepting out-of-order packets and
* estimating reliability of the connection)
*/
- unsigned int last_packets_bitmap;
+ uint32_t last_packets_bitmap;
/**
* last sequence number received on this connection (highest)
*/
static struct EphemeralKeyMessage current_ekm;
-/**
- * Our message stream tokenizer (for encrypted payload).
- */
-static struct GNUNET_SERVER_MessageStreamTokenizer *mst;
-
/**
* DLL head.
*/
static struct GNUNET_SCHEDULER_Task *rekey_task;
/**
- * Notification context for all monitors.
+ * Notification context for broadcasting to monitors.
*/
-static struct GNUNET_SERVER_NotificationContext *nc;
-
-
-/**
- * Inform the given monitor about the KX state of
- * the given peer.
- *
- * @param client client to inform
- * @param kx key exchange state to inform about
- */
-static void
-monitor_notify (struct GNUNET_SERVER_Client *client,
- struct GSC_KeyExchangeInfo *kx)
-{
- struct MonitorNotifyMessage msg;
-
- msg.header.type = htons (GNUNET_MESSAGE_TYPE_CORE_MONITOR_NOTIFY);
- msg.header.size = htons (sizeof (msg));
- msg.state = htonl ((uint32_t) kx->status);
- msg.peer = *kx->peer;
- msg.timeout = GNUNET_TIME_absolute_hton (kx->timeout);
- GNUNET_SERVER_notification_context_unicast (nc,
- client,
- &msg.header,
- GNUNET_NO);
-}
+static struct GNUNET_NotificationContext *nc;
/**
msg.state = htonl ((uint32_t) kx->status);
msg.peer = *kx->peer;
msg.timeout = GNUNET_TIME_absolute_hton (kx->timeout);
- GNUNET_SERVER_notification_context_broadcast (nc,
- &msg.header,
- GNUNET_NO);
+ GNUNET_notification_context_broadcast (nc,
+ &msg.header,
+ GNUNET_NO);
kx->last_notify_timeout = kx->timeout;
}
}
+/**
+ * Deliver P2P message to interested clients. Invokes send twice,
+ * once for clients that want the full message, and once for clients
+ * that only want the header
+ *
+ * @param cls the `struct GSC_KeyExchangeInfo`
+ * @param m the message
+ */
+static int
+deliver_message (void *cls,
+ const struct GNUNET_MessageHeader *m)
+{
+ struct GSC_KeyExchangeInfo *kx = cls;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Decrypted message of type %d from %s\n",
+ ntohs (m->type),
+ GNUNET_i2s (kx->peer));
+ if (GNUNET_CORE_KX_STATE_UP != kx->status)
+ {
+ GNUNET_STATISTICS_update (GSC_stats,
+ gettext_noop ("# PAYLOAD dropped (out of order)"),
+ 1,
+ GNUNET_NO);
+ return GNUNET_OK;
+ }
+ switch (ntohs (m->type))
+ {
+ case GNUNET_MESSAGE_TYPE_CORE_BINARY_TYPE_MAP:
+ case GNUNET_MESSAGE_TYPE_CORE_COMPRESSED_TYPE_MAP:
+ GSC_SESSIONS_set_typemap (kx->peer, m);
+ return GNUNET_OK;
+ case GNUNET_MESSAGE_TYPE_CORE_CONFIRM_TYPE_MAP:
+ GSC_SESSIONS_confirm_typemap (kx->peer, m);
+ return GNUNET_OK;
+ default:
+ GSC_CLIENTS_deliver_message (kx->peer,
+ m,
+ ntohs (m->size),
+ GNUNET_CORE_OPTION_SEND_FULL_INBOUND);
+ GSC_CLIENTS_deliver_message (kx->peer,
+ m,
+ sizeof (struct GNUNET_MessageHeader),
+ GNUNET_CORE_OPTION_SEND_HDR_INBOUND);
+ }
+ return GNUNET_OK;
+}
+
+
/**
* Function called by transport to notify us that
* a peer connected to us (on the network level).
1,
GNUNET_NO);
kx = GNUNET_new (struct GSC_KeyExchangeInfo);
+ kx->mst = GNUNET_MST_create (&deliver_message,
+ kx);
kx->mq = mq;
kx->peer = pid;
kx->set_key_retry_frequency = INITIAL_SET_KEY_RETRY_FREQUENCY;
void *handler_cls)
{
struct GSC_KeyExchangeInfo *kx = handler_cls;
-
+
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Peer `%s' disconnected from us.\n",
GNUNET_i2s (peer));
GNUNET_CONTAINER_DLL_remove (kx_head,
kx_tail,
kx);
+ GNUNET_MST_destroy (kx->mst);
GNUNET_free (kx);
}
send_ping (struct GSC_KeyExchangeInfo *kx)
{
struct GNUNET_MQ_Envelope *env;
-
+
GNUNET_STATISTICS_update (GSC_stats,
gettext_noop ("# PING messages transmitted"),
1,
send_key (struct GSC_KeyExchangeInfo *kx)
{
struct GNUNET_MQ_Envelope *env;
-
+
GNUNET_assert (GNUNET_CORE_KX_STATE_DOWN != kx->status);
if (NULL != kx->retry_set_key_task)
{
}
-/**
- * Closure for #deliver_message()
- */
-struct DeliverMessageContext
-{
-
- /**
- * Key exchange context.
- */
- struct GSC_KeyExchangeInfo *kx;
-
- /**
- * Sender of the message.
- */
- const struct GNUNET_PeerIdentity *peer;
-};
-
-
/**
* We received an encrypted message. Check that it is
* well-formed (size-wise).
struct GNUNET_TIME_Absolute t;
struct GNUNET_CRYPTO_SymmetricInitializationVector iv;
struct GNUNET_CRYPTO_AuthKey auth_key;
- struct DeliverMessageContext dmc;
uint16_t size = ntohs (m->header.size);
char buf[size] GNUNET_ALIGN;
sizeof (struct GNUNET_HashCode)))
{
/* checksum failed */
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"Failed checksum validation for a message from `%s'\n",
GNUNET_i2s (kx->peer));
return;
&m->sequence_number,
&buf[ENCRYPTED_HEADER_SIZE],
size - ENCRYPTED_HEADER_SIZE))
+ {
+ GNUNET_break_op (0);
return;
+ }
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Decrypted %u bytes from %s\n",
(unsigned int) (size - ENCRYPTED_HEADER_SIZE),
}
if (kx->last_sequence_number_received > snum)
{
- unsigned int rotbit = 1 << (kx->last_sequence_number_received - snum - 1);
+ uint32_t rotbit = 1U << (kx->last_sequence_number_received - snum - 1);
if ((kx->last_packets_bitmap & rotbit) != 0)
{
gettext_noop ("# bytes of payload decrypted"),
size - sizeof (struct EncryptedMessage),
GNUNET_NO);
- dmc.kx = kx;
- dmc.peer = kx->peer;
if (GNUNET_OK !=
- GNUNET_SERVER_mst_receive (mst,
- &dmc,
- &buf[sizeof (struct EncryptedMessage)],
- size - sizeof (struct EncryptedMessage),
- GNUNET_YES,
- GNUNET_NO))
+ GNUNET_MST_from_buffer (kx->mst,
+ &buf[sizeof (struct EncryptedMessage)],
+ size - sizeof (struct EncryptedMessage),
+ GNUNET_YES,
+ GNUNET_NO))
GNUNET_break_op (0);
}
const struct GNUNET_PeerIdentity *pid,
void *connect_cls)
{
- struct GSC_KeyExchangeInfo *kx = connect_cls;
+ struct GSC_KeyExchangeInfo *kx = connect_cls;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Peer %s has excess bandwidth available\n",
}
-/**
- * Deliver P2P message to interested clients. Invokes send twice,
- * once for clients that want the full message, and once for clients
- * that only want the header
- *
- * @param cls always NULL
- * @param client who sent us the message (struct GSC_KeyExchangeInfo)
- * @param m the message
- */
-static int
-deliver_message (void *cls,
- void *client,
- const struct GNUNET_MessageHeader *m)
-{
- struct DeliverMessageContext *dmc = client;
-
- if (GNUNET_CORE_KX_STATE_UP != dmc->kx->status)
- {
- GNUNET_STATISTICS_update (GSC_stats,
- gettext_noop ("# PAYLOAD dropped (out of order)"),
- 1,
- GNUNET_NO);
- return GNUNET_OK;
- }
- switch (ntohs (m->type))
- {
- case GNUNET_MESSAGE_TYPE_CORE_BINARY_TYPE_MAP:
- case GNUNET_MESSAGE_TYPE_CORE_COMPRESSED_TYPE_MAP:
- GSC_SESSIONS_set_typemap (dmc->peer, m);
- return GNUNET_OK;
- case GNUNET_MESSAGE_TYPE_CORE_CONFIRM_TYPE_MAP:
- GSC_SESSIONS_confirm_typemap (dmc->peer, m);
- return GNUNET_OK;
- default:
- GSC_CLIENTS_deliver_message (dmc->peer,
- m,
- ntohs (m->size),
- GNUNET_CORE_OPTION_SEND_FULL_INBOUND);
- GSC_CLIENTS_deliver_message (dmc->peer,
- m,
- sizeof (struct GNUNET_MessageHeader),
- GNUNET_CORE_OPTION_SEND_HDR_INBOUND);
- }
- return GNUNET_OK;
-}
-
-
/**
* Setup the message that links the ephemeral key to our persistent
* public key and generate the appropriate signature.
* Initialize KX subsystem.
*
* @param pk private key to use for the peer
- * @param server the server of the CORE service
* @return #GNUNET_OK on success, #GNUNET_SYSERR on failure
*/
int
-GSC_KX_init (struct GNUNET_CRYPTO_EddsaPrivateKey *pk,
- struct GNUNET_SERVER_Handle *server)
+GSC_KX_init (struct GNUNET_CRYPTO_EddsaPrivateKey *pk)
{
- GNUNET_MQ_hd_fixed_size (ephemeral_key,
- GNUNET_MESSAGE_TYPE_CORE_EPHEMERAL_KEY,
- struct EphemeralKeyMessage);
- GNUNET_MQ_hd_fixed_size (ping,
- GNUNET_MESSAGE_TYPE_CORE_PING,
- struct PingMessage);
- GNUNET_MQ_hd_fixed_size (pong,
- GNUNET_MESSAGE_TYPE_CORE_PONG,
- struct PongMessage);
- GNUNET_MQ_hd_var_size (encrypted,
- GNUNET_MESSAGE_TYPE_CORE_ENCRYPTED_MESSAGE,
- struct EncryptedMessage);
struct GNUNET_MQ_MessageHandler handlers[] = {
- make_ephemeral_key_handler (NULL),
- make_ping_handler (NULL),
- make_pong_handler (NULL),
- make_encrypted_handler (NULL),
+ GNUNET_MQ_hd_fixed_size (ephemeral_key,
+ GNUNET_MESSAGE_TYPE_CORE_EPHEMERAL_KEY,
+ struct EphemeralKeyMessage,
+ NULL),
+ GNUNET_MQ_hd_fixed_size (ping,
+ GNUNET_MESSAGE_TYPE_CORE_PING,
+ struct PingMessage,
+ NULL),
+ GNUNET_MQ_hd_fixed_size (pong,
+ GNUNET_MESSAGE_TYPE_CORE_PONG,
+ struct PongMessage,
+ NULL),
+ GNUNET_MQ_hd_var_size (encrypted,
+ GNUNET_MESSAGE_TYPE_CORE_ENCRYPTED_MESSAGE,
+ struct EncryptedMessage,
+ NULL),
GNUNET_MQ_handler_end()
};
- nc = GNUNET_SERVER_notification_context_create (server,
- 1);
my_private_key = pk;
GNUNET_CRYPTO_eddsa_key_get_public (my_private_key,
&GSC_my_identity.public_key);
return GNUNET_SYSERR;
}
sign_ephemeral_key ();
+ nc = GNUNET_notification_context_create (1);
rekey_task = GNUNET_SCHEDULER_add_delayed (REKEY_FREQUENCY,
&do_rekey,
NULL);
- mst = GNUNET_SERVER_mst_create (&deliver_message, NULL);
- transport
+ transport
= GNUNET_TRANSPORT_core_connect (GSC_cfg,
&GSC_my_identity,
handlers,
GNUNET_free (my_private_key);
my_private_key = NULL;
}
- if (NULL != mst)
- {
- GNUNET_SERVER_mst_destroy (mst);
- mst = NULL;
- }
if (NULL != nc)
{
- GNUNET_SERVER_notification_context_destroy (nc);
+ GNUNET_notification_context_destroy (nc);
nc = NULL;
}
}
* request. All current peers are returned, regardless of which
* message types they accept.
*
- * @param cls unused
- * @param client client sending the iteration request
- * @param message iteration request message
+ * @param mq message queue to add for monitoring
*/
void
-GSC_KX_handle_client_monitor_peers (void *cls,
- struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message)
+GSC_KX_handle_client_monitor_peers (struct GNUNET_MQ_Handle *mq)
{
- struct MonitorNotifyMessage done_msg;
+ struct GNUNET_MQ_Envelope *env;
+ struct MonitorNotifyMessage *done_msg;
struct GSC_KeyExchangeInfo *kx;
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- GNUNET_SERVER_notification_context_add (nc,
- client);
+ GNUNET_notification_context_add (nc,
+ mq);
for (kx = kx_head; NULL != kx; kx = kx->next)
- monitor_notify (client, kx);
- done_msg.header.size = htons (sizeof (struct MonitorNotifyMessage));
- done_msg.header.type = htons (GNUNET_MESSAGE_TYPE_CORE_MONITOR_NOTIFY);
- done_msg.state = htonl ((uint32_t) GNUNET_CORE_KX_ITERATION_FINISHED);
- memset (&done_msg.peer,
- 0,
- sizeof (struct GNUNET_PeerIdentity));
- done_msg.timeout = GNUNET_TIME_absolute_hton (GNUNET_TIME_UNIT_FOREVER_ABS);
- GNUNET_SERVER_notification_context_unicast (nc,
- client,
- &done_msg.header,
- GNUNET_NO);
+ {
+ struct GNUNET_MQ_Envelope *env;
+ struct MonitorNotifyMessage *msg;
+
+ env = GNUNET_MQ_msg (msg,
+ GNUNET_MESSAGE_TYPE_CORE_MONITOR_NOTIFY);
+ msg->state = htonl ((uint32_t) kx->status);
+ msg->peer = *kx->peer;
+ msg->timeout = GNUNET_TIME_absolute_hton (kx->timeout);
+ GNUNET_MQ_send (mq,
+ env);
+ }
+ env = GNUNET_MQ_msg (done_msg,
+ GNUNET_MESSAGE_TYPE_CORE_MONITOR_NOTIFY);
+ done_msg->state = htonl ((uint32_t) GNUNET_CORE_KX_ITERATION_FINISHED);
+ done_msg->timeout = GNUNET_TIME_absolute_hton (GNUNET_TIME_UNIT_FOREVER_ABS);
+ GNUNET_MQ_send (mq,
+ env);
}
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