feat(profile): general update.

apparmor.d/profiles-a-f/atd

@@ -20,7 +20,7 @@ profile atd @{exec_path} {
   capability setuid,
   capability sys_resource,
 
-  signal (receive) set=hup,
+  signal (receive) set=hup peer=at,
 
   ptrace (read) peer=unconfined,
 
@@ -28,6 +28,8 @@ profile atd @{exec_path} {
 
   @{sh_path}           rix,
   @{bin}/sendmail     rPUx,
+  @{bin}/unix_chkpwd   rPx,
+  @{bin}/exim4         rPx,
 
   @{etc_ro}/environment r,
   @{etc_ro}/security/limits.d/ r,