added 15 and 24bpp support and changes for reconnect / resize

xrdp/xrdp.ini

@@ -5,7 +5,7 @@ bitmap_compression=yes
 port=3389
 crypt_level=low
 channel_code=1
-max_bpp=16
+max_bpp=24
 #black=000000
 #grey=d6d3ce
 #dark_grey=808080
@@ -67,3 +67,4 @@ username=ask
 password=ask
 ip=127.0.0.1
 port=-1
+xserverbpp=24

xrdp/xrdp_mm.c

@@ -110,6 +110,7 @@ xrdp_mm_send_login(struct xrdp_mm* self)
   int rv = 0;
   int index = 0;
   int count = 0;
+  int xserverbpp;
   char * username = (char *)NULL;
   char * password = (char *)NULL;
   char * name = (char *)NULL;
@@ -120,6 +121,7 @@ xrdp_mm_send_login(struct xrdp_mm* self)
   username = 0;
   password = 0;
   self->code = 0;
+  xserverbpp = 0;
   count = self->login_names->count;
   for (index = 0; index < count; index++)
   {
@@ -141,6 +143,10 @@ xrdp_mm_send_login(struct xrdp_mm* self)
         self->code = 10;
       }
     }
+    else if (g_strcasecmp(name, "xserverbpp") == 0)
+    {
+      xserverbpp = g_atoi(value);
+    }
   }
   if ((username == 0) || (password == 0))
   {
@@ -161,7 +167,15 @@ xrdp_mm_send_login(struct xrdp_mm* self)
   out_uint8a(s, password, index);
   out_uint16_be(s, self->wm->screen->width);
   out_uint16_be(s, self->wm->screen->height);
+
+  if (xserverbpp > 0)
+  {
+    out_uint16_be(s, xserverbpp);
+  }
+  else
+  {
     out_uint16_be(s, self->wm->screen->bpp);
+  }
 
   /* send domain */
   index = g_strlen(self->wm->client_info->domain);

xup/xup.c

@@ -140,11 +140,11 @@ lib_mod_connect(struct mod* mod)
   mod->server_fill_rect(mod, 0, 0, mod->width, mod->height);
   mod->server_end_update(mod);
   mod->server_msg(mod, "started connecting", 0);
-  /* only support 8 and 16 bpp connections from rdp client */
-  if (mod->bpp != 8 && mod->bpp != 16)
+  /* only support 8, 15, 16, and 24 bpp connections from rdp client */
+  if (mod->bpp != 8 && mod->bpp != 15 && mod->bpp != 16 && mod->bpp != 24)
   {
     mod->server_msg(mod,
-      "error - only supporting 8 and 16 bpp rdp connections", 0);
+      "error - only supporting 8, 15, 16, and 24 bpp rdp connections", 0);
     LIB_DEBUG(mod, "out lib_mod_connect error");
     return 1;
   }