apparmor.d -> profiles

profiles/su

@@ -0,0 +1,68 @@
+# vim:syntax=apparmor
+# ------------------------------------------------------------------
+#
+#    Copyright (C) 2019-2021 Mikhail Morfikov
+#
+#    This program is free software; you can redistribute it and/or
+#    modify it under the terms of version 2 of the GNU General Public
+#    License published by the Free Software Foundation.
+#
+# ------------------------------------------------------------------
+
+abi <abi/3.0>,
+
+include <tunables/global>
+
+@{exec_path} = /{usr/,}bin/su
+profile su @{exec_path} {
+  include <abstractions/base>
+  include <abstractions/consoles>
+  include <abstractions/authentication>
+  include <abstractions/wutmp>
+  include <abstractions/nameservice-strict>
+# include <pam/mappings>
+
+  # To remove the following errors:
+  #  su: cannot set groups: Operation not permitted
+  capability setgid,
+
+  # To remove the following errors:
+  #  su: cannot set user id: Operation not permitted
+  capability setuid,
+
+  # To write records to the kernel auditing log.
+  capability audit_write,
+
+  # Needed?
+  audit deny capability net_bind_service,
+
+  signal (send)    set=(term,kill),
+  signal (receive) set=(int,quit,term),
+
+  network netlink raw,
+
+  @{exec_path} mr,
+
+  # Shells to use
+  /{usr/,}bin/{,b,d,rb}ash rpux,
+  /{usr/,}bin/{c,k,tc,z}sh rpux,
+
+  # Fake shells to politely refuse a login
+  #/{usr/,}sbin/nologin rpux,
+
+  /etc/environment r,
+
+        @{PROC}/1/limits r,
+  owner @{PROC}/@{pid}/loginuid r,
+
+  /etc/default/locale r,
+  /etc/security/limits.d/ r,
+
+  /etc/shells r,
+
+  # For pam_securetty
+  @{PROC}/cmdline r,
+  @{sys}/devices/virtual/tty/console/active r,
+
+  include if exists <local/su>
+}