hook up the kill disconnect timeout to the sesman config file

sesman/session.c

@@ -559,6 +559,13 @@ session_start_fork(int width, int height, int bpp, char *username,
                 env_set_user(username, passwd_file, display);
                 env_check_password_file(passwd_file, password);
 
+                g_snprintf(text, 255, "%d", g_cfg->sess.max_idle_time);
+                g_setenv("XRDP_SESMAN_MAX_IDLE_TIME", text, 1);
+                g_snprintf(text, 255, "%d", g_cfg->sess.max_disc_time);
+                g_setenv("XRDP_SESMAN_MAX_DISC_TIME", text, 1);
+                g_snprintf(text, 255, "%d", g_cfg->sess.kill_disconnected);
+                g_setenv("XRDP_SESMAN_KILL_DISCONNECTED", text, 1);
+
                 if (type == SESMAN_SESSION_TYPE_XVNC)
                 {
                     xserver_params = list_create();

xorg/X11R7.6/rdp/rdpup.c

@@ -971,6 +971,7 @@ int
 rdpup_init(void)
 {
     char text[256];
+    char *ptext;
     int i;
 
     if (!g_directory_exist("/tmp/.xrdp"))
@@ -1055,6 +1056,28 @@ rdpup_init(void)
         }
     }
 
+    ptext = getenv("XRDP_SESMAN_MAX_IDLE_TIME");
+    if (ptext != 0)
+    {
+    }
+    ptext = getenv("XRDP_SESMAN_MAX_DISC_TIME");
+    if (ptext != 0)
+    {
+        g_disconnect_timeout = atoi(ptext);
+    }
+    ptext = getenv("XRDP_SESMAN_KILL_DISCONNECTED");
+    if (ptext != 0)
+    {
+        g_do_kill_disconnected = atoi(ptext);
+    }
+
+    if (g_disconnect_timeout == 0)
+    {
+        g_do_kill_disconnected = 0;
+    }
+    rdpLog("kill disconencted [%d] timeout [%d]\n", g_do_kill_disconnected,
+           g_disconnect_timeout);
+
     return 1;
 }