(accept_async): New function implementing the accept-async protocol request

src/server/session.c

 /*
- * $Id: session.c,v 0.28 1994/12/31 12:00:52 ceder Exp $
+ * $Id: session.c,v 0.29 1996/06/14 15:41:02 byers Exp $
  * Copyright (C) 1991, 1992, 1993, 1994  Lysator Academic Computer Association.
  *
  * This file is part of the LysKOM server.
@@ -28,7 +28,7 @@
  * Session control and miscellaneous.
  */
 
-static char *rcsid = "$Id: session.c,v 0.28 1994/12/31 12:00:52 ceder Exp $";
+static char *rcsid = "$Id: session.c,v 0.29 1996/06/14 15:41:02 byers Exp $";
 #include "rcs.h"
 USE(rcsid);
 
@@ -754,3 +754,65 @@ get_client_version (Session_no session_no,
 	return FAILURE;
     }
 }
+
+
+extern Success
+accept_async(Number_list *num_list)
+{
+    int         i;
+
+    /*
+     * Check agains maliciously long arrays
+     */
+    
+    if (num_list->length > ay_dummy_last)
+    {
+        kom_errno = KOM_INDEX_OUT_OF_RANGE;
+        return FAILURE;
+    }
+
+
+    /*
+     * Clear the accept list
+     */
+    
+    for (i = 0; i < ay_dummy_last; i++)
+    {
+        active_connection->want_async[i] = 0;
+    }
+
+
+    /*
+     * Enter the new accept list
+     */
+    
+    for (i = 0; i < num_list->length; i++)
+    {
+        if (num_list->data[i] >= 0 &&
+            num_list->data[i] < ay_dummy_last)
+            active_connection->want_async[num_list->data[i]] = 1;
+    }
+
+    return OK;
+}
+
+
+extern Success
+query_async(Number_list *result)
+{
+    static long        temp[ay_dummy_last];
+    int         i;
+
+    result->length = 0;
+    for (i = 0; i < ay_dummy_last; i++)
+    {
+        if (active_connection->want_async[i] != 0)
+        {
+            temp[result->length] = i;
+            result->length += 1;
+        }
+    }
+    result->data = temp;
+
+    return OK;
+}