# apparmor.d - Full set of apparmor profiles
# Copyright (C) 2019-2021 Mikhail Morfikov
# Copyright (C) 2023-2024 Alexandre Pujol <alexandre@pujol.io>
# SPDX-License-Identifier: GPL-2.0-only

abi <abi/4.0>,

include <tunables/global>

@{exec_path} = @{sbin}/userdel
@{att} = /att/userdel/
profile userdel /{,usr/}{,s}bin/userdel  flags=(attach_disconnected,attach_disconnected.path=@{att},complain) {
  include <abstractions/attached/base>
  include <abstractions/attached/consoles>
  include <abstractions/nameservice-strict>

  capability audit_write,
  capability chown,
  capability dac_override,
  capability dac_read_search,
  capability fsetid,
  capability sys_ptrace,

  network netlink raw,

  ptrace (read),

  @{exec_path} mr,

  @{etc_ro}/login.defs r,

  /etc/{passwd,shadow,gshadow,group,subuid,subgid} rw,
  /etc/{passwd,shadow,gshadow,group,subuid,subgid}.@{pid} w,
  /etc/{passwd,shadow,gshadow,group,subuid,subgid}- w,
  /etc/{passwd,shadow,gshadow,group,subuid,subgid}+ rw,

  /etc/passwd.lock  wl -> /etc/passwd.@{pid},
  /etc/shadow.lock  wl -> /etc/shadow.@{pid},
  /etc/group.lock   wl -> /etc/group.@{pid},
  /etc/gshadow.lock wl -> /etc/gshadow.@{pid},
  /etc/subuid.lock  wl -> /etc/subuid.@{pid},
  /etc/subgid.lock  wl -> /etc/subgid.@{pid},

  # A process first uses lckpwdf() to lock the lock file, thereby gaining exclusive rights to
  # modify the /etc/passwd or /etc/shadow password database.
  /etc/.pwd.lock rwk,

  # To remove user home files
  @{HOME}/{,**}    rw,
  /var/            r,
  /var/lib/        r,
  /var/lib/*/{,**} rw,

  @{PROC}/ r,
  @{PROC}/@{pids}/status r,
  @{PROC}/@{pids}/task/ r,

  include if exists <local/userdel>
}

# vim:syntax=apparmor
