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1. For security context creation, only relies on WAYLAND_DISPLAY, do not use WAYLAND_SOCKET since the file descriptor defined by WAYLAND_SOCKET can be only consumed once. 2. Due to the incompatiblity between WAYLAND_SOCKET and the security context, add a new permission --socket=inherit-wayland-socket to limit the usage of WAYLAND_SOCKET to an opt-in feature. Only when this flag is set, WAYLAND_SOCKET will be passed to the sandbox. 3. When WAYLAND_SOCKET is not inherited, set FD_CLOEXEC to avoid it to be leaked the to sandbox. Closes: #5614
Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux.
See https://flatpak.org/ for more information.
Flatpak is available in the package repositories of most Linux distributions and can be installed from there. See https://flatpak.org/setup/ for quick setup instructions for many distributions.
Community discussion happens in #flatpak:matrix.org, on the mailing list, and on the Flathub Discourse.
Read documentation for Flatpak here.
Contributing
Flatpak welcomes contributions from anyone! Here are some ways you can help:
- Fix one of the issues and submit a PR
- Update flatpak's translations and submit a PR
- Improve flatpak's documentation, hosted at http://docs.flatpak.org and developed over in flatpak-docs
- Find a bug and submit a detailed report including your OS, flatpak version, and the steps to reproduce
- Add your favorite application to Flathub by writing a flatpak-builder manifest and submitting it
- Improve the Flatpak support in your favorite Linux distribution
Hacking
See CONTRIBUTING.md
Related Projects
Here are some notable projects in the Flatpak ecosystem:
- Flatseal: An app for managing permissions of Flatpak apps without using the CLI
- Flat-manager: A tool for managing Flatpak repositories