# 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/4.0>,

include <tunables/global>

@{bin_dirs} = @{bin}/ /snap/{snapd,core}/@{int}@{bin}
@{lib_dirs} = @{lib}/ /snap/{snapd,core}/@{int}@{lib}

@{exec_path} = @{bin_dirs}/snap
profile snap /{{,usr/}{,s}bin/snap,snap/{snapd,core}/[0-9]{[0-9],}{[0-9],}{[0-9],}{[0-9],}{[0-9],}{[0-9],}{[0-9],}{[0-9],}{[0-9],}/{,usr/}{,s}bin/snap} flags=(complain) {
  include <abstractions/base>
  include <abstractions/bus-session>
  include <abstractions/bus-system>
  include <abstractions/consoles>
  include <abstractions/disks-read>
  include <abstractions/nameservice-strict>

  capability dac_read_search,
  capability setuid,
  capability sys_admin,

  network netlink raw,

  unix (send, receive) type=stream peer=(label=apt),

  mount options=(ro, silent) -> /tmp/snapd-auto-import-mount-@{int}/,

  dbus bind bus=session name=io.snapcraft.Launcher{,.*},
  dbus receive bus=session path=/io/snapcraft/Launcher{,/**}
       interface=io.snapcraft.Launcher{,.*}
       peer=(name=":1.@{int}"),
  dbus receive bus=session path=/io/snapcraft/Launcher{,/**}
       interface=org.freedesktop.DBus.Properties
       peer=(name=":1.@{int}"),
  dbus receive bus=session path=/io/snapcraft/Launcher{,/**}
       interface=org.freedesktop.DBus.ObjectManager
       peer=(name=":1.@{int}"),
  dbus send bus=session path=/io/snapcraft/Launcher{,/**}
       interface=io.snapcraft.Launcher{,.*}
       peer=(name="{:1.@{int},org.freedesktop.DBus}"),
  dbus send bus=session path=/io/snapcraft/Launcher{,/**}
       interface=org.freedesktop.DBus.Properties
       peer=(name="{:1.@{int},org.freedesktop.DBus}"),
  dbus send bus=session path=/io/snapcraft/Launcher{,/**}
       interface=org.freedesktop.DBus.ObjectManager
       peer=(name="{:1.@{int},org.freedesktop.DBus}"),
  dbus receive bus=session path=/io/snapcraft/Launcher{,/**}
       interface=org.freedesktop.DBus.Introspectable
       member=Introspect
       peer=(name=":1.@{int}"),
  dbus bind bus=session name=io.snapcraft.Settings{,.*},
  dbus receive bus=session path=/io/snapcraft/Settings{,/**}
       interface=io.snapcraft.Settings{,.*}
       peer=(name=":1.@{int}"),
  dbus receive bus=session path=/io/snapcraft/Settings{,/**}
       interface=org.freedesktop.DBus.Properties
       peer=(name=":1.@{int}"),
  dbus receive bus=session path=/io/snapcraft/Settings{,/**}
       interface=org.freedesktop.DBus.ObjectManager
       peer=(name=":1.@{int}"),
  dbus send bus=session path=/io/snapcraft/Settings{,/**}
       interface=io.snapcraft.Settings{,.*}
       peer=(name="{:1.@{int},org.freedesktop.DBus}"),
  dbus send bus=session path=/io/snapcraft/Settings{,/**}
       interface=org.freedesktop.DBus.Properties
       peer=(name="{:1.@{int},org.freedesktop.DBus}"),
  dbus send bus=session path=/io/snapcraft/Settings{,/**}
       interface=org.freedesktop.DBus.ObjectManager
       peer=(name="{:1.@{int},org.freedesktop.DBus}"),
  dbus receive bus=session path=/io/snapcraft/Settings{,/**}
       interface=org.freedesktop.DBus.Introspectable
       member=Introspect
       peer=(name=":1.@{int}"),

  dbus send bus=session path=/org/freedesktop/systemd1{,/**}
       interface=org.freedesktop.systemd1{,.*}
       peer=(name="{:1.@{int},org.freedesktop.systemd1{,.*}}", label="@{p_systemd_user}"),
  dbus send bus=session path=/org/freedesktop/systemd1{,/**}
       interface=org.freedesktop.DBus.Properties
       peer=(name="{:1.@{int},org.freedesktop.systemd1{,.*}}", label="@{p_systemd_user}"),
  dbus send bus=session path=/org/freedesktop/systemd1{,/**}
       interface=org.freedesktop.DBus.ObjectManager
       peer=(name="{:1.@{int},org.freedesktop.systemd1{,.*}}", label="@{p_systemd_user}"),
  dbus receive bus=session path=/org/freedesktop/systemd1{,/**}
       interface=org.freedesktop.systemd1{,.*}
       peer=(name="{:1.@{int},org.freedesktop.systemd1{,.*}}", label="@{p_systemd_user}"),
  dbus receive bus=session path=/org/freedesktop/systemd1{,/**}
       interface=org.freedesktop.DBus.Properties
       peer=(name="{:1.@{int},org.freedesktop.systemd1{,.*}}", label="@{p_systemd_user}"),
  dbus receive bus=session path=/org/freedesktop/systemd1{,/**}
       interface=org.freedesktop.DBus.ObjectManager
       peer=(name="{:1.@{int},org.freedesktop.systemd1{,.*}}", label="@{p_systemd_user}"),

  dbus send bus=session path=/org/freedesktop/portal/documents
       interface=org.freedesktop.portal.Documents
       member=GetMountPoint
       peer=(name=org.freedesktop.portal.Documents, label="{xdg-document-portal,unconfined}"),

  @{exec_path} mrix,

  @{bin}/mount rix,

  @{bin}/gpg{,2}          rcx -> gpg,
  @{bin}/systemctl        rcx -> systemctl,

  @{lib_dirs}/snapd/snap-confine     rpx,
  @{lib_dirs}/snapd/snap-seccomp     rpx,
  @{lib_dirs}/snapd/snapd            rpx,

  /etc/fstab r,

  /var/lib/snapd/{,**} rwk,
  /var/cache/snapd/commands.db rwk,
  /var/cache/snapd/names r,

  @{DESKTOP_HOME}/snap/{,**} rw,
  @{HOME}/snap/{,**} rw,
  /snap/{,**} rw,

  owner @{tmp}/snapd-auto-import-mount-@{int}/ rw,

        @{run}/user/@{uid}/bus rw,
  owner @{run}/user/@{uid}/.mutter-Xwaylandauth.@{rand6} r,
  owner @{run}/user/@{uid}/gdm/Xauthority r,
  owner @{run}/user/@{uid}/snapd-session-agent.socket rw,
  owner @{run}/user/@{uid}/systemd/notify rw,

  @{run}/mount/utab r,
  @{run}/snapd.socket rw,

  @{sys}/kernel/mm/transparent_hugepage/hpage_pmd_size r,
  @{sys}/kernel/security/apparmor/features/{,**} r,

        @{PROC}/@{pids}/cgroup r,
        @{PROC}/@{pids}/mountinfo r,
        @{PROC}/cgroups r,
        @{PROC}/cmdline r,
        @{PROC}/sys/kernel/random/uuid r,
        @{PROC}/sys/kernel/seccomp/actions_avail r,
        @{PROC}/version r,
  owner @{PROC}/@{pid}/mounts r,

  /dev/tty@{int} rw,
  /dev/ttyS@{int} rw,

  deny @{user_share_dirs}/gvfs-metadata/* r,

  profile gpg flags=(complain) {
    include <abstractions/base>

    @{bin}/gpg{,2} mr,

    @{bin}/dirmngr           rix,
    @{bin}/gpg-agent         rix,
    @{bin}/gpg-connect-agent rix,

    owner @{HOME}/.snap/gnupg/ rw,
    owner @{HOME}/.snap/gnupg/** rwkl,

    include if exists <local/snap_gpg>
  }

  profile systemctl flags=(complain) {
    include <abstractions/base>
    include <abstractions/app/systemctl>
  
    include if exists <local/snap_systemctl>
  }

  include if exists <local/snap>
}

# vim:syntax=apparmor
