firejail: add nixos module

Also add support for wrapping binaries with firejail.

Changed files
+70
nixos
doc
manual
release-notes
modules
+21
nixos/doc/manual/release-notes/rl-1809.xml
···
<itemizedlist>
<listitem>
+
<para>
+
Support for wrapping binaries using <literal>firejail</literal> has been
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added through <varname>programs.firejail.wrappedBinaries</varname>.
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</para>
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<para>
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For example
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</para>
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<programlisting>
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programs.firejail = {
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enable = true;
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wrappedBinaries = {
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firefox = "${lib.getBin pkgs.firefox}/bin/firefox";
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mpv = "${lib.getBin pkgs.mpv}/bin/mpv";
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};
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};
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</programlisting>
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<para>
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This will place <literal>firefox</literal> and <literal>mpv</literal> binaries in the global path wrapped by firejail.
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</para>
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</listitem>
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<listitem>
<para>
User channels are now in the default <literal>NIX_PATH</literal>, allowing
users to use their personal <command>nix-channel</command> defined
+1
nixos/modules/module-list.nix
···
./programs/dconf.nix
./programs/digitalbitbox/default.nix
./programs/environment.nix
+
./programs/firejail.nix
./programs/fish.nix
./programs/freetds.nix
./programs/gnupg.nix
+48
nixos/modules/programs/firejail.nix
···
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.programs.firejail;
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wrappedBins = pkgs.stdenv.mkDerivation rec {
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name = "firejail-wrapped-binaries";
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nativeBuildInputs = with pkgs; [ makeWrapper ];
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buildCommand = ''
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mkdir -p $out/bin
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${lib.concatStringsSep "\n" (lib.mapAttrsToList (command: binary: ''
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cat <<_EOF >$out/bin/${command}
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#!${pkgs.stdenv.shell} -e
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/run/wrappers/bin/firejail ${binary} "\$@"
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_EOF
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chmod 0755 $out/bin/${command}
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'') cfg.wrappedBinaries)}
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'';
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};
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in {
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options.programs.firejail = {
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enable = mkEnableOption "firejail";
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wrappedBinaries = mkOption {
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type = types.attrs;
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default = {};
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description = ''
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Wrap the binaries in firejail and place them in the global path.
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</para>
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<para>
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You will get file collisions if you put the actual application binary in
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the global environment and applications started via .desktop files are
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not wrapped if they specify the absolute path to the binary.
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'';
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};
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};
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config = mkIf cfg.enable {
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security.wrappers.firejail.source = "${lib.getBin pkgs.firejail}/bin/firejail";
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environment.systemPackages = [ wrappedBins ];
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};
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meta.maintainers = with maintainers; [ peterhoeg ];
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}