125 lines
3.9 KiB
Nix
125 lines
3.9 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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let
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cfg = config.programs.firejail;
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wrappedBins =
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pkgs.runCommand "firejail-wrapped-binaries"
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{
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preferLocalBuild = true;
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allowSubstitutes = false;
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# take precedence over non-firejailed versions
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meta.priority = -1;
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}
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''
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mkdir -p $out/bin
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mkdir -p $out/share/applications
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${lib.concatStringsSep "\n" (
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lib.mapAttrsToList (
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command: value:
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let
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opts =
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if builtins.isAttrs value then
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value
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else
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{
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executable = value;
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desktop = null;
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profile = null;
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extraArgs = [ ];
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};
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args = lib.escapeShellArgs (
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opts.extraArgs
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++ (lib.optional (opts.profile != null) "--profile=${builtins.toString opts.profile}")
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);
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in
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''
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cat <<_EOF >$out/bin/${command}
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#! ${pkgs.runtimeShell} -e
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exec /run/wrappers/bin/firejail ${args} -- ${builtins.toString opts.executable} "\$@"
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_EOF
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chmod 0755 $out/bin/${command}
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${lib.optionalString (opts.desktop != null) ''
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substitute ${opts.desktop} $out/share/applications/$(basename ${opts.desktop}) \
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--replace ${opts.executable} $out/bin/${command}
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''}
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''
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) cfg.wrappedBinaries
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)}
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'';
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in
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{
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options.programs.firejail = {
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enable = lib.mkEnableOption "firejail, a sandboxing tool for Linux";
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wrappedBinaries = lib.mkOption {
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type = lib.types.attrsOf (
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lib.types.either lib.types.path (
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lib.types.submodule {
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options = {
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executable = lib.mkOption {
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type = lib.types.path;
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description = "Executable to run sandboxed";
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example = lib.literalExpression ''"''${lib.getBin pkgs.firefox}/bin/firefox"'';
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};
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desktop = lib.mkOption {
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type = lib.types.nullOr lib.types.path;
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default = null;
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description = ".desktop file to modify. Only necessary if it uses the absolute path to the executable.";
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example = lib.literalExpression ''"''${pkgs.firefox}/share/applications/firefox.desktop"'';
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};
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profile = lib.mkOption {
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type = lib.types.nullOr lib.types.path;
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default = null;
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description = "Profile to use";
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example = lib.literalExpression ''"''${pkgs.firejail}/etc/firejail/firefox.profile"'';
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};
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extraArgs = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [ ];
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description = "Extra arguments to pass to firejail";
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example = [ "--private=~/.firejail_home" ];
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};
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};
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}
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)
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);
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default = { };
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example = lib.literalExpression ''
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{
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firefox = {
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executable = "''${lib.getBin pkgs.firefox}/bin/firefox";
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profile = "''${pkgs.firejail}/etc/firejail/firefox.profile";
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};
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mpv = {
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executable = "''${lib.getBin pkgs.mpv}/bin/mpv";
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profile = "''${pkgs.firejail}/etc/firejail/mpv.profile";
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};
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}
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'';
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description = ''
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Wrap the binaries in firejail and place them in the global path.
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'';
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};
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};
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config = lib.mkIf cfg.enable {
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security.wrappers.firejail = {
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setuid = true;
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owner = "root";
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group = "root";
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source = "${lib.getBin pkgs.firejail}/bin/firejail";
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};
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environment.systemPackages = [ pkgs.firejail ] ++ [ wrappedBins ];
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};
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meta.maintainers = with lib.maintainers; [ peterhoeg ];
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}
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