Add ability to skip login window

docs/man/xrdp.ini.5.in

@@ -33,6 +33,11 @@ If \fIsession_name\fP is empty, the \fBLOGIN DOMAIN\fR from the client
 with be used to select the section. If no domain name is supplied, the
 first suitable section will be used for automatic login.
 
+.TP
+\fBskiploginwindow\fP=\fI[true|false]\fP
+If set to \fB1\fP, \fBtrue\fP, \fByes\fP or  \fBon\fP it will skip the login window and uses the session specified in autorun or the first one in the \fBxrdp.ini\fR. It is required that all login-related fields are set, and no field in the is set to \fIask\fR in the session.
+If not specified, defaults to \fBfalse\fP.
+
 .TP
 \fBbitmap_cache\fR=\fI[true|false]\fR
 If set to \fB1\fR, \fBtrue\fR or \fByes\fR this option enables bitmap caching in \fBxrdp\fR(8).

xrdp/xrdp.ini.in

@@ -74,6 +74,7 @@ ssl_protocols=TLSv1.2, TLSv1.3
 ; If empty and no domain name is given, the first suitable section in
 ; this file will be used.
 autorun=
+#skiploginwindow=true
 
 allow_channels=true
 allow_multimon=true

xrdp/xrdp_login_wnd.c

@@ -1264,6 +1264,11 @@ load_xrdp_config(struct xrdp_config *config, const char *xrdp_ini, int bpp)
             g_strncpy(globals->autorun, v, 255);
         }
 
+        else if (g_strncmp(n, "skiploginwindow", 64) == 0)
+        {
+            globals->skiploginwindow = g_text2bool(v);
+        }
+
         else if (g_strncmp(n, "hidelogwindow", 64) == 0)
         {
             globals->hidelogwindow = g_text2bool(v);
@@ -1472,6 +1477,7 @@ load_xrdp_config(struct xrdp_config *config, const char *xrdp_ini, int bpp)
     LOG(LOG_LEVEL_DEBUG, "background:              %d", globals->background);
 
     LOG(LOG_LEVEL_DEBUG, "autorun:                 %s", globals->autorun);
+    LOG(LOG_LEVEL_DEBUG, "skiploginwindow:         %d", globals->skiploginwindow);
     LOG(LOG_LEVEL_DEBUG, "hidelogwindow:           %d", globals->hidelogwindow);
     LOG(LOG_LEVEL_DEBUG, "require_credentials:     %d", globals->require_credentials);
     LOG(LOG_LEVEL_DEBUG, "bulk_compression:        %d", globals->bulk_compression);

xrdp/xrdp_types.h

@@ -527,6 +527,7 @@ struct xrdp_wm
     struct xrdp_mm *mm;
     struct xrdp_font *default_font;
     struct xrdp_keymap keymap;
+    int skip_login_window;
     int hide_log_window;
     int fatal_error_in_log_window;
     struct xrdp_bitmap *target_surface; /* either screen or os surface */
@@ -756,6 +757,7 @@ struct xrdp_cfg_globals
     int  tcp_send_buffer_bytes;
     int  tcp_recv_buffer_bytes;
     char autorun[256];
+    int  skiploginwindow;
     int  hidelogwindow;
     int  require_credentials;
     int  bulk_compression;

xrdp/xrdp_wm.c

@@ -489,6 +489,11 @@ xrdp_wm_load_static_colors_plus(struct xrdp_wm *self, char *autorun_name)
                             g_strncpy(autorun_name, val, 255);
                         }
                     }
+                    else if (g_strcasecmp(val, "skiploginwindow") == 0)
+                    {
+                        val = (char *)list_get_item(values, index);
+                        self->skip_login_window = g_text2bool(val);
+                    }
                     else if (g_strcasecmp(val, "hidelogwindow") == 0)
                     {
                         val = (char *)list_get_item(values, index);
@@ -636,7 +641,7 @@ xrdp_wm_init(struct xrdp_wm *self)
     xrdp_wm_load_static_pointers(self);
     self->screen->bg_color = self->xrdp_config->cfg_globals.ls_top_window_bg_color;
 
-    if (self->session->client_info->rdp_autologin)
+    if (self->session->client_info->rdp_autologin || self->skip_login_window)
     {
         /*
          * NOTE: this should eventually be accessed from self->xrdp_config