apparmor.d/profiles/netcap

# vim:syntax=apparmor
# ------------------------------------------------------------------
#
#    Copyright (C) 2020-2021 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/netcap
profile netcap @{exec_path} {
  include <abstractions/base>
  include <abstractions/consoles>
  include <abstractions/nameservice-strict>

  capability sys_ptrace,

  # To get access to all of the @{PROC}/@{pids}/fd/ dirs, which sometimes can be owned by other
  # users than root, for instance systemd-timesync.
  capability dac_read_search,

  ptrace (read),

  @{exec_path} mr,

  @{PROC}/ r,
  @{PROC}/@{pids}/stat r,
  @{PROC}/@{pids}/fd/ r,
  @{PROC}/@{pid}/net/tcp{,6} r,
  @{PROC}/@{pid}/net/udp{,6} r,
  @{PROC}/@{pid}/net/raw{,6} r,
  @{PROC}/@{pid}/net/packet r,
  @{PROC}/@{pid}/net/dev r,

  include if exists <local/netcap>
}