[GNUnet-SVN] r17270 - gnunet/src/core

[gnunet]

Author: grothoff
Date: 2011-10-06 23:38:21 +0200 (Thu, 06 Oct 2011)
New Revision: 17270

Modified:
   gnunet/src/core/gnunet-service-core_kx.c
   gnunet/src/core/gnunet-service-core_kx.h
   gnunet/src/core/gnunet-service-core_neighbours.c
   gnunet/src/core/gnunet-service-core_sessions.c
   gnunet/src/core/gnunet-service-core_sessions.h
Log:
make opaque

Modified: gnunet/src/core/gnunet-service-core_kx.c
===================================================================
--- gnunet/src/core/gnunet-service-core_kx.c    2011-10-06 21:32:05 UTC (rev 
17269)
+++ gnunet/src/core/gnunet-service-core_kx.c    2011-10-06 21:38:21 UTC (rev 
17270)
@@ -185,6 +185,152 @@
 
 
 /**
+ * State machine for our P2P encryption handshake.  Everyone starts in
+ * "DOWN", if we receive the other peer's key (other peer initiated)
+ * we start in state RECEIVED (since we will immediately send our
+ * own); otherwise we start in SENT.  If we get back a PONG from
+ * within either state, we move up to CONFIRMED (the PONG will always
+ * be sent back encrypted with the key we sent to the other peer).
+ */
+enum KxStateMachine
+{
+  /**
+   * No handshake yet.
+   */
+  KX_STATE_DOWN,
+
+  /**
+   * We've sent our session key.
+   */
+  KX_STATE_KEY_SENT,
+
+  /**
+   * We've received the other peers session key.
+   */
+  KX_STATE_KEY_RECEIVED,
+
+  /**
+   * The other peer has confirmed our session key with a message
+   * encrypted with his session key (which we got).  Key exchange
+   * is done.
+   */
+  KX_STATE_UP
+};
+
+
+/**
+ * Information about the status of a key exchange with another peer.
+ */
+struct GSC_KeyExchangeInfo
+{
+  /**
+   * Identity of the peer.
+   */
+  struct GNUNET_PeerIdentity peer;
+
+  /**
+   * SetKeyMessage to transmit (initialized the first
+   * time our status goes past 'KX_STATE_KEY_SENT').
+   */
+  struct SetKeyMessage skm;
+
+  /**
+   * PING message we transmit to the other peer.
+   */
+  struct PingMessage ping;
+
+  /**
+   * SetKeyMessage we received and did not process yet.
+   */
+  struct SetKeyMessage *skm_received;
+
+  /**
+   * PING message we received from the other peer and
+   * did not process yet (or NULL).
+   */
+  struct PingMessage *ping_received;
+
+  /**
+   * PONG message we received from the other peer and
+   * did not process yet (or NULL).
+   */
+  struct PongMessage *pong_received;
+
+  /**
+   * Non-NULL if we are currently looking up HELLOs for this peer.
+   * for this peer.
+   */
+  struct GNUNET_PEERINFO_IteratorContext *pitr;
+
+  /**
+   * Public key of the neighbour, NULL if we don't have it yet.
+   */
+  struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *public_key;
+
+  /**
+   * We received a PONG message before we got the "public_key"
+   * (or the SET_KEY).  We keep it here until we have a key
+   * to decrypt it.  NULL if no PONG is pending.
+   */
+  struct PongMessage *pending_pong;
+
+  /**
+   * Key we use to encrypt our messages for the other peer
+   * (initialized by us when we do the handshake).
+   */
+  struct GNUNET_CRYPTO_AesSessionKey encrypt_key;
+
+  /**
+   * Key we use to decrypt messages from the other peer
+   * (given to us by the other peer during the handshake).
+   */
+  struct GNUNET_CRYPTO_AesSessionKey decrypt_key;
+
+  /**
+   * At what time did we generate our encryption key?
+   */
+  struct GNUNET_TIME_Absolute encrypt_key_created;
+
+  /**
+   * At what time did the other peer generate the decryption key?
+   */
+  struct GNUNET_TIME_Absolute decrypt_key_created;
+
+  /**
+   * When should the session time out (if there are no PONGs)?
+   */
+  struct GNUNET_TIME_Absolute timeout;
+
+  /**
+   * At what frequency are we currently re-trying SET_KEY messages?
+   */
+  struct GNUNET_TIME_Relative set_key_retry_frequency;
+
+  /**
+   * ID of task used for re-trying SET_KEY and PING message.
+   */
+  GNUNET_SCHEDULER_TaskIdentifier retry_set_key_task;
+
+  /**
+   * ID of task used for sending keep-alive pings.
+   */
+  GNUNET_SCHEDULER_TaskIdentifier keep_alive_task;
+
+  /**
+   * What was our PING challenge number (for this peer)?
+   */
+  uint32_t ping_challenge;
+
+  /**
+   * What is our connection status?
+   */
+  enum KxStateMachine status;
+
+};
+
+
+
+/**
  * Handle to peerinfo service.
  */
 static struct GNUNET_PEERINFO_Handle *peerinfo;

Modified: gnunet/src/core/gnunet-service-core_kx.h
===================================================================
--- gnunet/src/core/gnunet-service-core_kx.h    2011-10-06 21:32:05 UTC (rev 
17269)
+++ gnunet/src/core/gnunet-service-core_kx.h    2011-10-06 21:38:21 UTC (rev 
17270)
@@ -30,150 +30,11 @@
 
 
 /**
- * State machine for our P2P encryption handshake.  Everyone starts in
- * "DOWN", if we receive the other peer's key (other peer initiated)
- * we start in state RECEIVED (since we will immediately send our
- * own); otherwise we start in SENT.  If we get back a PONG from
- * within either state, we move up to CONFIRMED (the PONG will always
- * be sent back encrypted with the key we sent to the other peer).
- */
-enum KxStateMachine
-{
-  /**
-   * No handshake yet.
-   */
-  KX_STATE_DOWN,
-
-  /**
-   * We've sent our session key.
-   */
-  KX_STATE_KEY_SENT,
-
-  /**
-   * We've received the other peers session key.
-   */
-  KX_STATE_KEY_RECEIVED,
-
-  /**
-   * The other peer has confirmed our session key with a message
-   * encrypted with his session key (which we got).  Key exchange
-   * is done.
-   */
-  KX_STATE_UP
-};
-
-
-/**
  * Information about the status of a key exchange with another peer.
  */
-struct GSC_KeyExchangeInfo
-{
-  /**
-   * Identity of the peer.
-   */
-  struct GNUNET_PeerIdentity peer;
+struct GSC_KeyExchangeInfo;
 
-  /**
-   * SetKeyMessage to transmit (initialized the first
-   * time our status goes past 'KX_STATE_KEY_SENT').
-   */
-  struct SetKeyMessage skm;
 
-  /**
-   * PING message we transmit to the other peer.
-   */
-  struct PingMessage ping;
-
-  /**
-   * SetKeyMessage we received and did not process yet.
-   */
-  struct SetKeyMessage *skm_received;
-
-  /**
-   * PING message we received from the other peer and
-   * did not process yet (or NULL).
-   */
-  struct PingMessage *ping_received;
-
-  /**
-   * PONG message we received from the other peer and
-   * did not process yet (or NULL).
-   */
-  struct PongMessage *pong_received;
-
-  /**
-   * Non-NULL if we are currently looking up HELLOs for this peer.
-   * for this peer.
-   */
-  struct GNUNET_PEERINFO_IteratorContext *pitr;
-
-  /**
-   * Public key of the neighbour, NULL if we don't have it yet.
-   */
-  struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *public_key;
-
-  /**
-   * We received a PONG message before we got the "public_key"
-   * (or the SET_KEY).  We keep it here until we have a key
-   * to decrypt it.  NULL if no PONG is pending.
-   */
-  struct PongMessage *pending_pong;
-
-  /**
-   * Key we use to encrypt our messages for the other peer
-   * (initialized by us when we do the handshake).
-   */
-  struct GNUNET_CRYPTO_AesSessionKey encrypt_key;
-
-  /**
-   * Key we use to decrypt messages from the other peer
-   * (given to us by the other peer during the handshake).
-   */
-  struct GNUNET_CRYPTO_AesSessionKey decrypt_key;
-
-  /**
-   * At what time did we generate our encryption key?
-   */
-  struct GNUNET_TIME_Absolute encrypt_key_created;
-
-  /**
-   * At what time did the other peer generate the decryption key?
-   */
-  struct GNUNET_TIME_Absolute decrypt_key_created;
-
-  /**
-   * When should the session time out (if there are no PONGs)?
-   */
-  struct GNUNET_TIME_Absolute timeout;
-
-  /**
-   * At what frequency are we currently re-trying SET_KEY messages?
-   */
-  struct GNUNET_TIME_Relative set_key_retry_frequency;
-
-  /**
-   * ID of task used for re-trying SET_KEY and PING message.
-   */
-  GNUNET_SCHEDULER_TaskIdentifier retry_set_key_task;
-
-  /**
-   * ID of task used for sending keep-alive pings.
-   */
-  GNUNET_SCHEDULER_TaskIdentifier keep_alive_task;
-
-  /**
-   * What was our PING challenge number (for this peer)?
-   */
-  uint32_t ping_challenge;
-
-  /**
-   * What is our connection status?
-   */
-  enum KxStateMachine status;
-
-};
-
-
 /**
  * We received a SET_KEY message.  Validate and update
  * our key material and status.

Modified: gnunet/src/core/gnunet-service-core_neighbours.c
===================================================================
--- gnunet/src/core/gnunet-service-core_neighbours.c    2011-10-06 21:32:05 UTC 
(rev 17269)
+++ gnunet/src/core/gnunet-service-core_neighbours.c    2011-10-06 21:38:21 UTC 
(rev 17270)
@@ -169,8 +169,8 @@
   GSC_SESSIONS_end (&n->peer);
   if (NULL != n->kx)
   {
-    GSC_KX_stop (n->kx);
-    n->kx = NULL;
+    GSC_KX_stop (n->kxinfo);
+    n->kxinfo = NULL;
   }
   if (n->retry_plaintext_task != GNUNET_SCHEDULER_NO_TASK)
   {
@@ -357,7 +357,7 @@
   GNUNET_TRANSPORT_set_quota (transport, peer, 
                              GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT, 
                              GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT);
-  n->kx = GSC_KX_start (pid);
+  n->kxinfo = GSC_KX_start (pid);
 }
 
 

Modified: gnunet/src/core/gnunet-service-core_sessions.c
===================================================================
--- gnunet/src/core/gnunet-service-core_sessions.c      2011-10-06 21:32:05 UTC 
(rev 17269)
+++ gnunet/src/core/gnunet-service-core_sessions.c      2011-10-06 21:38:21 UTC 
(rev 17270)
@@ -67,7 +67,6 @@
    */
   struct GSC_KeyExchangeInfo *kxinfo;
 
-
   /**
    * ID of task used for cleaning up dead neighbour entries.
    */
@@ -1671,9 +1670,13 @@
 
 /**
  * Create a session, a key exchange was just completed.
+ *
+ * @param peer peer that is now connected
+ * @param kx key exchange that completed
  */
 void
-GSC_SESSIONS_create (const struct GNUNET_PeerIdentity *peer)
+GSC_SESSIONS_create (const struct GNUNET_PeerIdentity *peer,
+                    struct GSC_KeyExchangeInfo *kx)
 {
     {
       struct GNUNET_MessageHeader *hdr;

Modified: gnunet/src/core/gnunet-service-core_sessions.h
===================================================================
--- gnunet/src/core/gnunet-service-core_sessions.h      2011-10-06 21:32:05 UTC 
(rev 17269)
+++ gnunet/src/core/gnunet-service-core_sessions.h      2011-10-06 21:38:21 UTC 
(rev 17270)
@@ -148,10 +148,15 @@
 
 /**
  * Create a session, a key exchange was just completed.
+ *
+ * @param peer peer that is now connected
+ * @param kx key exchange that completed
  */
 void
-GSC_SESSIONS_create (const struct GNUNET_PeerIdentity *peer);
+GSC_SESSIONS_create (const struct GNUNET_PeerIdentity *peer,
+                    struct GSC_KeyExchangeInfo *kx);
 
+
 /**
  * Update information about a session.
  *