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111 lines
4.5 KiB
Markdown
111 lines
4.5 KiB
Markdown
[<img src="https://gitlab.com/uploads/-/system/project/avatar/25600351/logo.png" align="right" height="110"/>][project]
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# apparmor.d
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[![][workflow]][action] [![][build]][project] [![][quality]][goreportcard] [![][matrix]][matrix-link]
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**Full set of AppArmor profiles**
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> [!WARNING]
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> This project is still in its early development. Help is very
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> welcome; see the [documentation website](https://apparmor.pujol.io/) including
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> its [development](https://apparmor.pujol.io/development) section.
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## Description
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**AppArmor.d** is a set of over 1500 AppArmor profiles whose aim is to confine
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most Linux based applications and processes.
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**Purpose**
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- Confine all root processes such as all `systemd` tools, `bluetooth`, `dbus`,
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`polkit`, `NetworkManager`, `OpenVPN`, `GDM`, `rtkit`, `colord`
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- Confine all Desktop environments
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- Confine all user services such as `Pipewire`, `Gvfsd`, `dbus`, `xdg`, `xwayland`
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- Confine some *"special"* user applications: web browser, file browser...
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- Should not break a normal usage of the confined software
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**Goals**
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- Target both desktops and servers
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- Support all distributions that support AppArmor:
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* Archlinux
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* Ubuntu 22.04
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* Debian 12
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* OpenSUSE Tumbleweed
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- Support major desktop environments:
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* Currently only Gnome
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- Fully tested (Work in progress)
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> This project is originally based on the work from [Morfikov][upstream] and aims
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> to extend it to more Linux distributions and desktop environments.
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## Concepts
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*One profile a day keeps the hacker away*
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There are over 50000 Linux packages and even more applications. It is simply not
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possible to write an AppArmor profile for all of them. Therefore, a question arises:
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**What to confine and why?**
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We take inspiration from the [Android/ChromeOS Security Model][android_model] and
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we apply it to the Linux world. Modern [Linux security distributions][clipos] usually
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consider an immutable core base image with a carefully selected set of applications.
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Everything else should be sandboxed. Therefore, this project tries to confine all
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the *core* applications you will usually find in a Linux system: all systemd services,
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xwayland, network, bluetooth, your desktop environment... Non-core user applications
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are out of scope as they should be sandboxed using a dedicated tool (minijail,
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bubblewrap, toolbox...).
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This is fundamentally different from how AppArmor is usually used on Linux servers
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as it is common to only confine the applications that face the internet and/or the users.
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**Presentations**
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Building large set of AppArmor profiles:
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- [Linux Security Summit North America (LSS-NA 2023)](https://events.linuxfoundation.org/linux-security-summit-north-america/) *([Slide](https://lssna2023.sched.com/event/1K7bI/building-the-largest-working-set-of-apparmor-profiles-alexandre-pujol-the-collaboratory-tudublin), [Video](https://www.youtube.com/watch?v=OzyalrOzxE8))*
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- [Ubuntu Summit 2023](https://events.canonical.com/event/31/) *([Slide](https://events.canonical.com/event/31/contributions/209/))*
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## Installation
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Please see [apparmor.pujol.io/install](https://apparmor.pujol.io/install)
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## Configuration
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Please see [apparmor.pujol.io/configuration](https://apparmor.pujol.io/configuration)
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## Usage
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Please see [apparmor.pujol.io/usage](https://apparmor.pujol.io/usage)
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## Contribution
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Feedbacks, contributors, pull requests are all very welcome. Please read
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[apparmor.pujol.io/development](https://apparmor.pujol.io/development)
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for more details on the contribution process.
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Development chat available on https://matrix.to/#/#apparmor.d:matrix.org
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## License
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This Project was initially based on Mikhail Morfikov's [apparmor profiles project][upstream]
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and thus has the same license (GPL2).
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[upstream]: https://gitlab.com/morfikov/apparmemall
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[project]: https://gitlab.com/roddhjav/apparmor.d
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[build]: https://gitlab.com/roddhjav/apparmor.d/badges/main/pipeline.svg?style=flat-square
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[workflow]: https://img.shields.io/endpoint.svg?url=https%3A%2F%2Factions-badge.atrox.dev%2Froddhjav%2Fapparmor.d%2Fbadge%3Fref%3Dmain&style=flat-square
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[action]: https://actions-badge.atrox.dev/roddhjav/apparmor.d/goto?ref=main
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[quality]: https://img.shields.io/badge/go%20report-A+-brightgreen.svg?style=flat-square
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[goreportcard]: https://goreportcard.com/report/github.com/roddhjav/apparmor.d
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[matrix]: https://img.shields.io/badge/Matrix-%23apparmor.d-blue?style=flat-square&logo=matrix
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[matrix-link]: https://matrix.to/#/#apparmor.d:matrix.org
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[android_model]: https://arxiv.org/pdf/1904.05572
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[clipos]: https://clip-os.org/en/
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[write xor execute]: https://en.wikipedia.org/wiki/W%5EX
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