--- scheduler/job.c.orig	2018-10-04 11:01:52.227572708 +0000

+++ scheduler/job.c	2018-10-04 11:38:55.308279008 +0000

@@ -4778,7 +4778,7 @@

   const char	*filename;		/* Support filename */

 #ifdef WITH_LSPP

   char			*audit_message = NULL;	/* Audit message string */

-  char			*printerfile = NULL;	/* Device file pointed to by the printer */

+  char			printerfile[PATH_MAX];	/* Device file pointed to by the printer */

   security_id_t		clisid;		/* SELinux SID for the client */

   security_id_t		psid;		/* SELinux SID for the printer */

   context_t		printercon;	/* Printer's context string */

@@ -4970,14 +4970,13 @@

    /*

     * Perform an access check before printing, but only if the printer starts with /dev/

     */

-    printerfile = strstr(printer->device_uri, "/dev/");

-    if (printerfile == NULL && (strncmp(printer->device_uri, "file:/", 6) == 0))

-      printerfile = printer->device_uri + strlen("file:");

+    snprintf(printerfile, PATH_MAX, "/etc/cups/ppd/%s.ppd", printer->name );

+    printerfile[PATH_MAX]=0;

     if (printerfile != NULL)

     {

       cupsdLogJob(job, CUPSD_LOG_DEBUG,

-		  "Attempting to check access on printer device %s",

+		  "Attempting to check access on printer PPD file %s",

 		  printerfile);

       if (lstat(printerfile, &printerstat) < 0)

       {