--- a/app_control.c	Wed Feb 16 20:57:32 2011 +0100
+++ b/app_control.c	Wed Feb 16 21:07:11 2011 +0100
@@ -159,6 +159,8 @@
     {
         hex_dump("from local to app", buffer, size);
         write(app_stdin, buffer, size);
+        if (savefile != -1)
+            write(savefile, buffer, size);
     }
 }
 

--- a/server.c	Wed Feb 16 20:57:32 2011 +0100
+++ b/server.c	Wed Feb 16 21:07:11 2011 +0100
@@ -149,7 +149,8 @@
 
     if (command_line.s_param.savefile)
     {
-        savefile = open(command_line.s_param.savefile, O_CREAT | O_RDWR, 0666);
+        savefile = open(command_line.s_param.savefile,
+                O_CREAT | O_TRUNC | O_RDWR, 0666);
     }
 
     child = fork_app(command_line.s_param.command);