File openvpn-2.1-systemd-passwd.patch of Package openvpn

Index: openvpn-2.2.1/misc.c
===================================================================
--- openvpn-2.2.1.orig/misc.c
+++ openvpn-2.2.1/misc.c
@@ -1333,26 +1333,49 @@ get_console_input (const char *prompt, c
   ASSERT (input);
   ASSERT (capacity > 0);
   input[0] = '\0';
+  bool is_systemd_running;
+  struct stat a, b;
+
+  /* We simply test whether the systemd cgroup hierarchy is
+   * mounted */
+
+  is_systemd_running = (lstat("/sys/fs/cgroup", &a) == 0)
+	  && (lstat("/sys/fs/cgroup/systemd", &b) == 0)
+	  && (a.st_dev != b.st_dev);
 
 #if defined(WIN32)
   return get_console_input_win32 (prompt, echo, input, capacity);
 #elif defined(HAVE_GETPASS)
-  if (echo)
+  if (echo || is_systemd_running)
     {
       FILE *fp;
 
-      fp = open_tty (true);
-      fprintf (fp, "%s", prompt);
-      fflush (fp);
-      close_tty (fp);
+      if (is_systemd_running)
+        {
+	 char *cmd;
+
+	 asprintf(&cmd, "/bin/systemd-ask-password \"%s\"", prompt);
+         fp = popen (cmd, "re");
+	 free (cmd);
+        }
+      else
+        {
+          fp = open_tty (true);
+          fprintf (fp, "%s", prompt);
+          fflush (fp);
+          close_tty (fp);
 
-      fp = open_tty (false);
+          fp = open_tty (false);
+        }
       if (fgets (input, capacity, fp) != NULL)
 	{
 	  chomp (input);
 	  ret = true;
 	}
-      close_tty (fp);
+      if (is_systemd_running)
+	fclose (fp);
+      else
+	close_tty (fp);
     }
   else
     {