Fixed file transfer disconnection crash.
authorPekka Riikonen <priikone@silcnet.org>
Tue, 8 May 2007 16:34:53 +0000 (16:34 +0000)
committerPekka Riikonen <priikone@silcnet.org>
Tue, 8 May 2007 16:34:53 +0000 (16:34 +0000)
Fixed private message waiting to be per client entry instead of
per connection.

lib/silcclient/client.h
lib/silcclient/client_ftp.c
lib/silcclient/client_internal.h
lib/silcclient/client_prvmsg.c
lib/silcclient/silcclient.h

index af1ff2081ee2cc14f2318aba1fb57fad4ddef758..ac1116d28289951ced21ef6933114ecb7f5cda68 100644 (file)
@@ -43,6 +43,7 @@ typedef struct SilcChannelPrivateKeyStruct *SilcChannelPrivateKey;
 
 /* Internal client entry context */
 typedef struct SilcClientEntryInternalStruct {
+  void *prv_waiter;            /* Private message packet waiter */
   SilcRwLock lock;             /* Read/write lock */
   SilcCipher send_key;         /* Private message key for sending */
   SilcCipher receive_key;      /* Private message key for receiving */
index 5c0982743765894006f689c178b4c9e12be50cbf..a38d03c009873b315aea103310d6d94e9335213b 100644 (file)
@@ -108,7 +108,7 @@ static void silc_client_ftp_data(SilcSFTP sftp,
     silc_sftp_close(sftp, session->read_handle, NULL, NULL);
     session->read_handle = NULL;
 
-    /* Close the read file descriptor */
+    /* Close the real file descriptor */
     silc_file_close(session->fd);
     return;
   }
@@ -130,7 +130,7 @@ static void silc_client_ftp_data(SilcSFTP sftp,
     silc_sftp_close(sftp, session->read_handle, NULL, NULL);
     session->read_handle = NULL;
 
-    /* Close the read file descriptor */
+    /* Close the real file descriptor */
     silc_file_close(session->fd);
     return;
   }
@@ -380,6 +380,8 @@ static void silc_client_ftp_session_free(SilcClientFtpSession session)
 {
   SILC_LOG_DEBUG(("Free session %d", session->session_id));
 
+  silc_schedule_task_del_by_context(session->client->schedule, session);
+
   silc_dlist_del(session->client->internal->ftp_sessions, session);
 
   /* Abort connecting  */
index 4af354509817b512d8c50f68475467fd88205fda..8b48e733196ac41ba63ae6c8c09684a9c7c5bc68 100644 (file)
@@ -139,7 +139,6 @@ struct SilcClientConnectionInternalStruct {
   SilcStream user_stream;               /* Low level stream in connecting */
   char *disconnect_message;             /* Disconnection message */
   char *away_message;                   /* Away message */
-  void *prv_waiter;                     /* Private message packet waiter */
 
   SilcIDCache client_cache;             /* Client entry cache */
   SilcIDCache channel_cache;            /* Channel entry cache */
index c988494299b3baad131affa8e5ca676e9a5be215..2242fd34d28a54ad812b5885c6133e09c21fd2dc 100644 (file)
@@ -197,14 +197,21 @@ SILC_FSM_STATE(silc_client_private_message_error)
 /* Initialize private message waiter for the `conn' connection. */
 
 SilcBool silc_client_private_message_wait_init(SilcClient client,
-                                              SilcClientConnection conn)
+                                              SilcClientConnection conn,
+                                              SilcClientEntry client_entry)
 {
-  if (conn->internal->prv_waiter)
+  SilcID id;
+
+  if (client_entry->internal.prv_waiter)
     return TRUE;
 
-  conn->internal->prv_waiter =
-    silc_packet_wait_init(conn->stream, SILC_PACKET_PRIVATE_MESSAGE, -1);
-  if (!conn->internal->prv_waiter)
+  /* We want SILC_PACKET_PRIVATE_MESSAGE packets from this source ID. */
+  id.type = SILC_ID_CLIENT;
+  id.u.client_id = client_entry->id;
+
+  client_entry->internal.prv_waiter =
+    silc_packet_wait_init(conn->stream, &id, SILC_PACKET_PRIVATE_MESSAGE, -1);
+  if (!client_entry->internal.prv_waiter)
     return FALSE;
 
   return TRUE;
@@ -213,12 +220,13 @@ SilcBool silc_client_private_message_wait_init(SilcClient client,
 /* Uninitializes private message waiter. */
 
 void silc_client_private_message_wait_uninit(SilcClient client,
-                                            SilcClientConnection conn)
+                                            SilcClientConnection conn,
+                                            SilcClientEntry client_entry)
 {
-  if (!conn->internal->prv_waiter)
+  if (!client_entry->internal.prv_waiter)
     return;
-  silc_packet_wait_uninit(conn->internal->prv_waiter, conn->stream);
-  conn->internal->prv_waiter = NULL;
+  silc_packet_wait_uninit(client_entry->internal.prv_waiter, conn->stream);
+  client_entry->internal.prv_waiter = NULL;
 }
 
 /* Blocks the calling process or thread until private message has been
@@ -230,42 +238,15 @@ SilcBool silc_client_private_message_wait(SilcClient client,
                                          SilcMessagePayload *payload)
 {
   SilcPacket packet;
-  SilcClientID remote_id;
-  SilcFSMThread thread;
 
-  if (!conn->internal->prv_waiter)
+  if (!client_entry->internal.prv_waiter)
     return FALSE;
 
   /* Block until private message arrives */
   do {
-    if ((silc_packet_wait(conn->internal->prv_waiter, 0, &packet)) < 0)
+    if ((silc_packet_wait(client_entry->internal.prv_waiter, 0, &packet)) < 0)
       return FALSE;
 
-    /* Parse sender ID */
-    if (!silc_id_str2id(packet->src_id, packet->src_id_len,
-                       SILC_ID_CLIENT, &remote_id,
-                       sizeof(remote_id))) {
-      silc_packet_free(packet);
-      continue;
-    }
-
-    /* If the private message is not for the requested client, pass it to
-       normal private message processing. */
-    if (!SILC_ID_CLIENT_COMPARE(&remote_id, &client_entry->id)) {
-      thread = silc_fsm_thread_alloc(&conn->internal->fsm, conn,
-                                    silc_client_fsm_destructor, NULL, FALSE);
-      if (!thread) {
-       silc_packet_free(packet);
-       continue;
-      }
-
-      /* The packet will be processed in the connection thread, after this
-        FSM thread is started. */
-      silc_fsm_set_state_context(thread, packet);
-      silc_fsm_start(thread, silc_client_private_message);
-      continue;
-    }
-
     /* Parse the payload and decrypt it also if private message key is set */
     *payload =
       silc_message_payload_parse(silc_buffer_data(&packet->buffer),
index f491e37e75bc5d0a8712f902d1a48546a404221f..94f78481b27f0621b021ed035f66cb8bd611a880 100644 (file)
@@ -1195,21 +1195,23 @@ SilcBool silc_client_send_private_message(SilcClient client,
  *
  *    SilcBool
  *    silc_client_private_message_wait_init(SilcClient client,
- *                                          SilcClientConnection conn);
+ *                                          SilcClientConnection conn,
+ *                                          SilcClientEntry client_entry);
  *
  * DESCRIPTION
  *
- *    Initializes private message waiting functionality for the connection
- *    indicated by `conn'.  Once this is called private message from remote
- *    connection indicated by `conn' for any client entry beloning to that
- *    connection may be waited for, for example in a thread.  The function
+ *    Initializes private message waiting functionality for the client
+ *    indicated by `client_entry'.  Once this is called private message
+ *    from remote connection indicated by `conn' for `client_entry' may
+ *    be waiter for, for example in a thread.  The function
  *    silc_client_private_message_wait is used to block the current thread
  *    until a private message is received from a specified client entry.
  *    Return FALSE in case an internal error occurred.
  *
  ***/
 SilcBool silc_client_private_message_wait_init(SilcClient client,
-                                              SilcClientConnection conn);
+                                              SilcClientConnection conn,
+                                              SilcClientEntry client_entry);
 
 /****f* silcclient/SilcClientAPI/silc_client_private_message_wait_uninit
  *
@@ -1217,18 +1219,20 @@ SilcBool silc_client_private_message_wait_init(SilcClient client,
  *
  *    void
  *    silc_client_private_message_wait_uninit(SilcClient client,
- *                                            SilcClientConnection conn);
+ *                                            SilcClientConnection conn,
+ *                                            SilcClientEntry client_entry);
  *
  * DESCRIPTION
  *
- *    Unintializes private message waiting for connection indicated by
- *    `conn'.  After this call private message cannot be waited anymore.
- *    This call may be called from any thread.  This call will signal all
- *    private message waiting threads to stop waiting.
+ *    Unintializes private message waiting for client indicated by
+ *    `client_entry'.  After this call private message cannot be waited
+ *    anymore and silc_client_private_message_wait will return with FALSE
+ *    value.
  *
  ***/
 void silc_client_private_message_wait_uninit(SilcClient client,
-                                            SilcClientConnection conn);
+                                            SilcClientConnection conn,
+                                            SilcClientEntry client_entry);
 
 /****f* silcclient/SilcClientAPI/silc_client_private_message_wait
  *