---
 data/pam_dbus.conf |    3 +--
 src/pam_dbus.c     |   20 ++++++++++++++++++++
 2 files changed, 21 insertions(+), 2 deletions(-)

--- data/pam_dbus.conf
+++ data/pam_dbus.conf	2017-07-11 08:43:18.343905071 +0000
@@ -3,8 +3,7 @@
  "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
 <busconfig>
 
-  <!-- <policy at_console="true">-->
-  <policy context="default">
+  <policy at_console="true">
     <allow own="de.nomeata.pam_dbus"/>
   </policy>
   <policy user="root">
--- src/pam_dbus.c
+++ src/pam_dbus.c	2021-08-19 07:33:23.113478347 +0000
@@ -24,6 +24,7 @@
 #include <glib.h>
 #include <dbus/dbus.h>
 #include <dbus/dbus-glib.h>
+#include <syslog.h>
 
 PAM_EXTERN int pam_sm_authenticate(pam_handle_t *ph, int flags, int argc, const char **argv) {
   DBusGConnection *connection;
@@ -32,7 +33,9 @@ PAM_EXTERN int pam_sm_authenticate(pam_h
 
   gboolean login_ok;
   
+#if !GLIB_CHECK_VERSION (2,35,0)
   g_type_init ();
+#endif
 
   error = NULL;
   connection = dbus_g_bus_get (DBUS_BUS_SYSTEM, &error);
@@ -78,3 +81,20 @@ PAM_EXTERN int pam_sm_authenticate(pam_h
 
   return login_ok ? PAM_SUCCESS : PAM_AUTH_ERR;
 }
+
+/* logging function ripped from pam_listfile.c */
+static void _pam_log(int err, const char *format, ...) {
+   va_list args;
+
+  va_start(args, format);
+  openlog("pam_dbus", LOG_CONS|LOG_PID, LOG_AUTH);
+  vsyslog(err, format, args);
+  va_end(args);
+  closelog();
+}
+
+PAM_EXTERN int pam_sm_setcred(pam_handle_t *pamh, int flags, int argc, const
+                              char **argv) {
+  _pam_log(LOG_ERR, "not a credentialator");
+  return PAM_IGNORE;
+}