172 lines
4.4 KiB
Markdown
172 lines
4.4 KiB
Markdown
Fortify
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=======
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[](https://pkg.go.dev/git.ophivana.moe/security/fortify)
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[](https://goreportcard.com/report/git.ophivana.moe/security/fortify)
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Lets you run graphical applications as another user in a confined environment with a nice NixOS
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module to configure target users and provide launchers and desktop files for your privileged user.
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Why would you want this?
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- It protects the desktop environment from applications.
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- It protects applications from each other.
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- It provides UID isolation on top of the standard application sandbox.
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There are a few different things to set up for this to work:
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- A set of users, each for a group of applications that should be allowed access to each other
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- A tool to switch users, currently sudo and machinectl are supported.
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- If you are running NixOS, the module in this repository can take care of launchers and desktop files in the privileged
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user's environment, as well as packages and extra home-manager configuration for target users.
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If you have a flakes-enabled nix environment, you can try out the tool by running:
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```shell
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nix run git+https://git.ophivana.moe/security/fortify -- -h
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```
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## Module usage
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The NixOS module currently requires home-manager to function correctly.
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Full module documentation can be found [here](options.md).
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To use the module, import it into your configuration with
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```nix
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{
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
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fortify = {
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url = "git+https://git.ophivana.moe/security/fortify";
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# Optional but recommended to limit the size of your system closure.
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inputs.nixpkgs.follows = "nixpkgs";
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};
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};
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outputs = { self, nixpkgs, fortify, ... }:
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{
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nixosConfigurations.fortify = nixpkgs.lib.nixosSystem {
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system = "x86_64-linux";
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modules = [
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fortify.nixosModules.fortify
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];
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};
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};
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}
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```
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This adds the `environment.fortify` option:
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```nix
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{ pkgs, ... }:
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{
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environment.fortify = {
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enable = true;
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stateDir = "/var/lib/persist/module/fortify";
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users = {
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alice = 0;
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nixos = 10;
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};
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apps = [
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{
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name = "chromium";
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id = "org.chromium.Chromium";
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packages = [ pkgs.chromium ];
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userns = true;
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mapRealUid = true;
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dbus = {
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system = {
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filter = true;
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talk = [
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"org.bluez"
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"org.freedesktop.Avahi"
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"org.freedesktop.UPower"
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];
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};
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session =
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f:
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f {
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talk = [
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"org.freedesktop.FileManager1"
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"org.freedesktop.Notifications"
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"org.freedesktop.ScreenSaver"
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"org.freedesktop.secrets"
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"org.kde.kwalletd5"
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"org.kde.kwalletd6"
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];
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own = [
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"org.chromium.Chromium.*"
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"org.mpris.MediaPlayer2.org.chromium.Chromium.*"
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"org.mpris.MediaPlayer2.chromium.*"
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];
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call = { };
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broadcast = { };
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};
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};
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}
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{
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name = "claws-mail";
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id = "org.claws_mail.Claws-Mail";
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packages = [ pkgs.claws-mail ];
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gpu = false;
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capability.pulse = false;
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}
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{
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name = "weechat";
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packages = [ pkgs.weechat ];
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capability = {
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wayland = false;
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x11 = false;
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dbus = true;
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pulse = false;
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};
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}
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{
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name = "discord";
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id = "dev.vencord.Vesktop";
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packages = [ pkgs.vesktop ];
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share = pkgs.vesktop;
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command = "vesktop --ozone-platform-hint=wayland";
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userns = true;
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mapRealUid = true;
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capability.x11 = true;
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dbus = {
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session =
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f:
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f {
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talk = [ "org.kde.StatusNotifierWatcher" ];
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own = [ ];
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call = { };
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broadcast = { };
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};
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system.filter = true;
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};
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}
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{
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name = "looking-glass-client";
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groups = [ "plugdev" ];
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extraPaths = [
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{
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src = "/dev/shm/looking-glass";
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write = true;
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}
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];
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extraConfig = {
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programs.looking-glass-client.enable = true;
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};
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}
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];
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};
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}
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```
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