Sunil Mohan Adapa 351b6a5c9b
ssh: Read/write authorized keys file using user account privileges
Fixes: #2588.

Otherwise, unprivileged user accounts can read/write files that they were not
permitted to by setting the authorized_keys file to be a symlink.

Tests:

- Editing page for freshly created user (as root or as user) shows empty value
  for authorized_keys.
- Setting SSH key for freshly created user works (as root or as user). File is
  created. Permissions are 0o644 and ownership is the user:'users'. .ssh
  directory is created with user:'users' ownership. Login works after setting
  the keys.
- After setting authorized keys they are shown properly in the user edit page.
- Editing again works.
- Clearing the values work.
- Linking authorized_key to another file owned (with proper permissions,
  ownership) by the user works. Values are shown properly in the edit page.
  Setting values works. SSH Login works.
- Linking the authorized_keys file to /etc/shadow leads to returning empty
  string.
- Linking the authorized_keys file to /etc/shadow, writing keys fails. Error
  message is shown 'Unable to set SSH keys.'. Exception is shown in logs.
- Linking .ssh directory to /etc, writing keys fails. Error message is shown
  'Unable to set SSH keys.'. Exception is shown in logs.

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2026-11-02 11:36:55 -05:00
2026-10-15 22:33:23 -04:00
2026-10-15 22:28:14 -04:00
2025-07-28 15:17:24 -07:00
run
2026-08-28 07:35:37 -04:00

pipeline status Translation status Debian Unstable Debian Testing Debian Stable

FreedomBox Service (Plinth)

The core functionality and web front-end of FreedomBox.

Description

FreedomBox is a community project to develop, design and promote personal servers running free software for private, personal communications. It is a networking appliance designed to allow interfacing with the rest of the Internet under conditions of protected privacy and data security. It hosts applications such as blog, wiki, website, social network, email, web proxy and a Tor relay, on a device that can replace your Wi-Fi router, so that your data stays with you.

This module, called FreedomBox Service and also know as Plinth, is the core functionality and web interface to the functions of the FreedomBox. It is extensible and provides various applications of FreedomBox as modules. Each module or application provides simplified user interface to control the underlying functionality. As FreedomBox can act as a wireless router, it is possible to configure networking. It also allows configuration of basic system parameters such as time zone, hostname and automatic upgrades.

You can find more information about FreedomBox Service (Plinth) on the Plinth Wiki page, the FreedomBox Wiki and the FreedomBox Manual.

Getting Started

To have a running FreedomBox, first install Debian (Buster or higher) on a clean machine. Then run:

$ sudo apt install freedombox

Full instructions are available on FreedomBox Manual's QuickStart page.

For instructions on running the service on a local machine from source code, see INSTALL.md. For instructions on setting up for development purposes, see HACKING.md.

Contributing

See the HACKING.md file for contributing to FreedomBox Service (Plinth).

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License

GNU AGPLv3 Image

FreedomBox is distributed under the GNU Affero General Public License, Version 3 or later. A copy of AGPLv3 is available from the Free Software Foundation.

Description
Easy to manage, privacy oriented home server. Read-only mirror of https://salsa.debian.org/freedombox-team/freedombox
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