minor fastpath changes

libxrdp/libxrdp.c

@@ -206,7 +206,17 @@ libxrdp_process_data(struct xrdp_session *session, struct stream *s)
 
         if (do_read)
         {
-            s = libxrdp_force_read(session->trans);
+            if (s == 0)
+            {
+                s = libxrdp_force_read(session->trans);
+            }
+            else
+            {
+                if ((s->next_packet == 0) || (s->next_packet >= s->end))
+                {
+                    s = libxrdp_force_read(session->trans);
+                }
+            }
             if (s == 0)
             {
                 g_writeln("libxrdp_process_data: libxrdp_force_read failed");
@@ -281,8 +291,7 @@ libxrdp_process_data(struct xrdp_session *session, struct stream *s)
 
         if (cont)
         {
-            cont = (s->next_packet != 0) &&
-                   (s->next_packet < s->end);
+            cont = (s->next_packet != 0) && (s->next_packet < s->end);
         }
     }
 

libxrdp/xrdp_rdp.c

@@ -304,13 +304,14 @@ xrdp_rdp_recv(struct xrdp_rdp *self, struct stream *s, int *code)
     if (s->next_packet == 0 || s->next_packet >= s->end)
     {
         /* check for fastpath first */
-        header = (const tui8 *) (self->session->trans->in_s->p);
+        header = (const tui8 *) (s->p);
         if ((header[0] != 0x3) && (header[0] != 0x3c))
         {
             if (xrdp_sec_recv_fastpath(self->sec_layer, s) != 0)
             {
                 return 1;
             }
+            s->next_packet = 0;
             *code = 2; // special code for fastpath input
             DEBUG(("out (fastpath) xrdp_rdp_recv"));
             return 0;
@@ -387,6 +388,7 @@ xrdp_rdp_recv(struct xrdp_rdp *self, struct stream *s, int *code)
         return 0;
     }
 }
+
 /*****************************************************************************/
 int APP_CC
 xrdp_rdp_send(struct xrdp_rdp *self, struct stream *s, int pdu_type)