# apparmor.d - Full set of apparmor profiles
# Copyright (C) 2020-2021 Mikhail Morfikov
# Copyright (C) 2022-2024 Alexandre Pujol <alexandre@pujol.io>
# SPDX-License-Identifier: GPL-2.0-only

abi <abi/4.0>,

include <tunables/global>

@{exec_path} = @{lib}/systemd/systemd-networkd
@{att} = /att/systemd-networkd/
profile systemd-networkd /{,usr/}lib{,exec,32,64}/systemd/systemd-networkd  flags=(attach_disconnected,attach_disconnected.path=@{att},complain) {
  include <abstractions/attached/base>
  include <abstractions/bus-system>
  include <abstractions/bus/org.freedesktop.hostname1>
  include <abstractions/common/systemd>
  include <abstractions/nameservice-strict>

  capability bpf,
  capability net_admin,
  capability net_bind_service,
  capability net_broadcast,
  capability net_raw,
  capability setgid, # FIXME: setgid, setpcap setuid are not needed when used as systemd service
  capability setpcap,
  capability setuid,
  capability sys_admin,

  network inet dgram,
  network inet6 dgram,
  network inet raw,
  network inet6 raw,
  network netlink raw,
  network packet dgram,
  network packet raw,

  unix bind type=stream addr=@@{udbus}/bus/systemd-network/bus-api-network,

  signal receive set=usr2 peer=@{p_systemd},

  include <abstractions/bus/system/own>

  dbus bind bus=system name=org.freedesktop.network1{,.*},
  dbus receive bus=system path=/org/freedesktop/network1{,/**}
       interface=org.freedesktop.network1{,.*}
       peer=(name="@{busname}"),
  dbus send bus=system path=/org/freedesktop/network1{,/**}
       interface=org.freedesktop.network1{,.*}
       peer=(name="{@{busname},org.freedesktop.DBus}"),
  dbus (send receive) bus=system path=/org/freedesktop/network1{,/**}
       interface=org.freedesktop.DBus.Properties
       member={Get,GetAll,Set,PropertiesChanged}
       peer=(name="{@{busname},org.freedesktop.DBus}"),
  dbus receive bus=system path=/org/freedesktop/network1{,/**}
       interface=org.freedesktop.DBus.Introspectable
       member=Introspect
       peer=(name="@{busname}"),
  dbus receive bus=system path=/org/freedesktop/network1{,/**}
       interface=org.freedesktop.DBus.ObjectManager
       member=GetManagedObjects
       peer=(name="{@{busname},org.freedesktop.network1{,.*}}"),
  dbus send bus=system path=/org/freedesktop/network1{,/**}
       interface=org.freedesktop.DBus.ObjectManager
       member={InterfacesAdded,InterfacesRemoved}
       peer=(name="{@{busname},org.freedesktop.DBus}"),

  dbus send bus=system path=/org/freedesktop/hostname1
       interface=org.freedesktop.hostname1
       member=SetHostname
       peer=(name=org.freedesktop.hostname1),
  dbus send bus=system path=/org/freedesktop/hostname1
       interface=org.freedesktop.hostname1
       member=SetHostname
       peer=(name=org.freedesktop.hostname1, label="@{p_systemd_hostnamed}"),

  @{exec_path} mr,

  /var/lib/dbus/machine-id r,
  /etc/machine-id r,

  /etc/systemd/network.conf r,
  /etc/systemd/network/{,**} r,
  /etc/systemd/networkd.conf r,
  /etc/systemd/networkd.conf.d/{,**} r,

  /etc/networkd-dispatcher/carrier.d/{,*} r,

  @{att}/ r,
  @{att}@{run}/systemd/notify rw,

  @{run}/mount/utab r,
  @{run}/systemd/network/{,**} r,
  @{run}/systemd/resolve/resolv.conf r,

  owner @{att}/var/lib/systemd/network/ r,

        /var/lib/systemd/network/ r,
  owner /var/lib/systemd/network/ rw,
  owner /var/lib/systemd/network/** rwk,

        @{run}/systemd/network/ r,
        @{run}/systemd/network/*.network r,
  owner @{run}/systemd/netif/** rw,

  @{run}/udev/data/n@{int} r,             # For network interfaces

  @{sys}/devices/@{pci}/ r,
  @{sys}/devices/@{pci}/rfkill@{int}/* r,
  @{sys}/devices/**/net/** r,
  @{sys}/devices/**/phy@{int}/** r,
  @{sys}/devices/**/uevent r,
  @{sys}/devices/virtual/dmi/id/{sys,board,bios}_vendor r,
  @{sys}/devices/virtual/dmi/id/product_name r,
  @{sys}/devices/virtual/dmi/id/product_version r,
  @{sys}/fs/cgroup/ r,
  @{sys}/fs/cgroup/system.slice/networkd-*.service/ r,
  @{sys}/kernel/btf/vmlinux r,

        @{PROC}/@{pid}/cgroup r,
        @{PROC}/@{pid}/mountinfo r,
        @{PROC}/@{pid}/setgroups r,
        @{PROC}/pressure/* r,
        @{PROC}/sys/net/ipv{4,6}/** rw,
        @{PROC}/version_signature r,
  owner @{PROC}/@{pid}/fdinfo/@{int} r,

  include if exists <local/systemd-networkd>
}

# vim:syntax=apparmor
