libxrdp: add Montior Layout PDU (server to client), temporary hack

libxrdp/xrdp_rdp.c

@@ -52,6 +52,16 @@ static tui8 g_unknown1[172] =
     0x2b, 0x00, 0x2a, 0x00
 };
 
+static tui8 g_monitorlayout[44] =
+{
+    0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x7F, 0x07, 0x00, 0x00,
+    0x37, 0x04, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+    0x80, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0xFF, 0x0E, 0x00, 0x00, 0x37, 0x04, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00
+};
+
 /* some compilers need unsigned char to avoid warnings */
 /*
 static tui8 g_unknown2[8] =
@@ -1600,7 +1610,33 @@ xrdp_rdp_send_unknown1(struct xrdp_rdp *self)
     free_stream(s);
     return 0;
 }
+/*****************************************************************************/
+static int APP_CC
+xrdp_rdp_send_monitorlayout(struct xrdp_rdp *self)
+{
+    struct stream *s;
 
+    make_stream(s);
+    init_stream(s, 8192);
+
+    if (xrdp_rdp_init_data(self, s) != 0)
+    {
+        free_stream(s);
+        return 1;
+    }
+
+    out_uint8a(s, g_monitorlayout, 44);
+    s_mark_end(s);
+
+    if (xrdp_rdp_send_data(self, s, 0x37) != 0)
+    {
+        free_stream(s);
+        return 1;
+    }
+
+    free_stream(s);
+    return 0;
+}
 /*****************************************************************************/
 static int APP_CC
 xrdp_rdp_process_data_font(struct xrdp_rdp *self, struct stream *s)
@@ -1619,6 +1655,12 @@ xrdp_rdp_process_data_font(struct xrdp_rdp *self, struct stream *s)
         /* running */
         DEBUG(("sending unknown1"));
         xrdp_rdp_send_unknown1(self);
+        if (self->client_info.monitorCount > 0) {
+            if (xrdp_rdp_send_monitorlayout(self) != 0)
+            {
+              g_writeln("Problem with monitor layout packet!!!");
+            }
+        }
         self->session->up_and_running = 1;
         DEBUG(("up_and_running set"));
         xrdp_rdp_send_data_update_sync(self);