# apparmor.d - Full set of apparmor profiles
# Copyright (C) 2022-2024 Alexandre Pujol <alexandre@pujol.io>
# SPDX-License-Identifier: GPL-2.0-only

abi <abi/3.0>,

include <tunables/global>

@{exec_path} = @{bin}/tailscaled
profile tailscaled @{exec_path} flags=(attach_disconnected) {
  include <abstractions/base>
  include <abstractions/bus-system>
  include <abstractions/nameservice-strict>
  include <abstractions/ssl_certs>

  capability dac_read_search,
  capability mknod,
  capability net_admin,
  capability net_raw,
  capability sys_ptrace,
  capability syslog,

  network inet dgram,
  network inet6 dgram,
  network inet stream,
  network inet6 stream,
  network inet raw,
  network inet6 raw,
  network netlink raw,

  ptrace (read),

  dbus send bus=system path=/org/freedesktop/resolve1
       interface=org.freedesktop.DBus.Peer
       member=Ping
       peer=(name=org.freedesktop.resolve1, label=systemd-resolved),

  dbus send bus=system path=/org/freedesktop/resolve1
       interface=org.freedesktop.DBus.Properties
       member=Get
       peer=(name=org.freedesktop.resolve1, label=systemd-resolved),

  dbus send bus=system path=/org/freedesktop/resolve1
       interface=org.freedesktop.resolve1.Manager
       member={FlushCaches,SetLink*}
       peer=(name=org.freedesktop.resolve1, label=systemd-resolved),

  @{exec_path} mr,

  @{bin}/ip                 rix,
  @{bin}/resolvectl         rPx,
  @{bin}/xtables-nft-multi  rix,

  @{bin}/systemctl  rCx -> systemctl,

  /etc/iproute2/rt_tables r,
  /etc/apt/sources.list.d/tailscale.list r,

  @{etc_rw}/resolv.*.conf rw,
  @{etc_rw}/resolv.conf rw,
  @{etc_rw}/resolv.conf.*.tmp rw,

  owner /var/cache/{,**} rw,
  owner /var/lib/tailscale/{,**} rw,

  owner @{user_share_dirs}/tailscale/{,**} rw,

  owner @{run}/systemd/notify w,
  owner @{run}/tailscale/{,**} rw,

  @{sys}/devices/virtual/dmi/id/{bios_vendor,product_name} r,
  @{sys}/kernel/mm/transparent_hugepage/hpage_pmd_size r,

  @{PROC}/ r,
  @{PROC}/@{pid}/mounts r,
  @{PROC}/@{pid}/net/{,**} r,
  @{PROC}/@{pids}/cmdline r,
  @{PROC}/@{pids}/fd/ r,
  @{PROC}/@{pids}/net/route r,
  @{PROC}/1/cgroup r,
  @{PROC}/1/environ r,
  @{PROC}/1/stat r,
  @{PROC}/cmdline r,
  @{PROC}/sys/kernel/osrelease r,
  @{PROC}/sys/net/{,**} r,

  /dev/net/tun rw,

  profile systemctl {
    include <abstractions/base>

    capability mknod,
    capability net_admin,
  
    network netlink raw,

    ptrace (read),

    @{bin}/systemctl mr,

    @{PROC}/ r,
    @{PROC}/@{pid}/fd/ r,

    /dev/net/tun rw,

    include if exists <local/tailscaled_systemctl>
  }

  include if exists <local/tailscaled>
}