GNOME/Keyring - ArchWiki

Jump to content

# GNOME/Keyring

From ArchWiki
< GNOME

Related articles

- GnuPG
- OpenPGP

GNOME Keyring is "a collection of components in GNOME that store secrets, passwords, keys, certificates and make them available to applications."

It provides org.freedesktop.secrets, an API that allows client applications to store secrets securely using a service running in the user's login session.

## Security

### Protection against malicious application

There was a security issue (known as CVE-2018-19358) reported in the past regarding the behaviour of the GNOME/Keyring API. Any application can easily read any secret if the keyring is unlocked. And, if a user is logged in, then the login/default collection is unlocked. Available D-Bus protection mechanisms (involving the busconfig and policy XML elements) are not used by default and would be easy to bypass anyway.

The GNOME project disagrees with this vulnerability report because, according to their stated security model, untrusted applications must not be allowed to communicate with the secret service.

Applications sandboxed via Flatpak only have filtered access to the session bus.

### Keyring is not locked when session is locked

When the session is locked, the keyring is not automatically locked.[1] This means that the passwords remain in memory which opens the system up to a DMA attack.

## Installation

gnome-keyring is a member of the gnome group is thus usually present on systems running GNOME. The package can otherwise be installed on its own. libsecret should also be installed to grant other applications access to your keyrings. Although libgnome-keyringAUR is deprecated (and superseded by libsecret), it may still be required by certain applications.

The gnome-keyring-daemon is automatically started via a systemd user service upon logging in. It can also be started upon request via a socket.

Extra utilities related to GNOME Keyring include:

- secret-tool — Access the GNOME Keyring (and any other service implementing the DBus Secret Service API) from the command line.

  https://wiki.gnome.org/Projects/Libsecret || libsecret

- lssecret — List all secret items using libsecret (e.g. GNOME Keyring).

  https://gitlab.com/GrantMoyer/lssecret || lssecret-gitAUR

## Manage using GUI

You can manage the contents of GNOME Keyring using Seahorse; install the seahorse package.

Passwords for keyrings (e.g., the default keyring, "Login") can be changed and even removed. See Create a new keyring and Update the keyring password in GNOME Help for more information.

## Using the keyring

The PAM module pam_gnome_keyring.so initialises GNOME Keyring partially, unlocking the login keyring in the process. The gnome-keyring-daemon is automatically started with a systemd user service.

### PAM step

Note To use automatic unlocking without automatic login, the password for the user account should be the same as the login keyring. See #Automatically change keyring password with user password.
Tip

- To use automatic unlocking with automatic login, you can set a blank password for the keyring. Note that the contents of the keyring are stored unencrypted in this case.
- Alternatively, if using GDM and LUKS, GDM can unlock your keyring if it matches your LUKS password. For this to work, you need to use the systemd init in your mkinitcpio.conf as well as the appropriate kernel parameters, and you should make sure that your system's real-time clock is set to UTC rather than local time (see [2]). See [3] for more details.
- If you desire to skip the PAM step, the keyring must be unlocked manually or via another method. See #Using gnome-keyring-daemon outside desktop environments (KDE, GNOME, XFCE, ...) and the GnomeKeyring wiki.

When using a display manager, the keyring works out of the box for most cases. GDM, LightDM, LXDM, and SDDM already have the necessary PAM configuration. For a display manager that does not automatically unlock the keyring edit the appropriate file instead of `/etc/pam.d/login` as mentioned below.

When using console-based login (ie, not using a Display Manager), edit `/etc/pam.d/login`:

Add `auth optional pam_gnome_keyring.so` at the end of the `auth` section and `session optional pam_gnome_keyring.so auto_start` at the end of the `session` section.

    /etc/pam.d/login

    #%PAM-1.0

    auth       required     pam_securetty.so
    auth       requisite    pam_nologin.so
    auth       include      system-local-login
    auth       optional     pam_gnome_keyring.so
    account    include      system-local-login
    session    include      system-local-login
    session    optional     pam_gnome_keyring.so auto_start

Note If using the greetd login manager, the file that needs to be modified is `/etc/pam.d/greetd`, instead of `/etc/pam.d/login`.

## SSH keys

GNOME Keyring can act as a wrapper around ssh-agent. In that mode, it will display a GUI password entry dialog each time you need to unlock an SSH key. The dialog includes a checkbox to remember the password you type, which, if selected, will allow fully passwordless use of that key in the future as long as your login keyring is unlocked.

The SSH functionality is disabled by default in gnome-keyring-daemon builds since version 1:46. It has been moved into `/usr/lib/gcr-ssh-agent`, which is part of the gcr-4 package.

### Setup gcr

All you need to do is:

1. Enable the `gcr-ssh-agent.socket` systemd user unit.
2. Start once the `gcr-ssh-agent.socket` systemd user unit. This will create socket file `$XDG_RUNTIME_DIR/gcr/ssh`. Once file is created, 1st step is sufficient to have socket unit started automatically.
3. Manual configuration of `SSH_AUTH_SOCK` environment variable shall not be necessary, if `gcr-ssh-agent.socket` unit is active. The value of `SSH_AUTH_SOCK` environment variable shall be set to `$XDG_RUNTIME_DIR/gcr/ssh` after user logs out and logs in. This is known to work with Gnome `Console` application for user using `fish` as default shell.

There are many ways to set environment variables, and the one you use will depend on your specific setup and preferences.

### Using

You can run

    $ ssh-add -L

to list loaded SSH keys in the running agent. This can help ensure you started the appropriate service and set `SSH_AUTH_SOCK` correctly.

To permanently save a passphrase in the keyring, use ssh-askpass from the seahorse package:

    $ /usr/lib/seahorse/ssh-askpass my_key

Tip In some situations (e.g. when you are not using a login manager or desktop environment), an alternative is to use the Seahorse secret-tool to store a passphrase.

To manually add an SSH key from another directory:

    $ ssh-add ~/.private/id_rsa
    Enter passphrase for ~/.private/id_rsa:

Note You have to have the corresponding .pub file in the same directory as the private key (`~/.ssh/id_rsa.pub` in the example). Also, make sure that the public key is the file name of the private key plus .pub (for example, `my_key.pub`).

To disable all manually added keys:

    $ ssh-add -D

### Disabling

If you wish to run an alternative SSH agent (e.g. ssh-agent directly or gpg-agent), it is a good idea to disable GNOME Keyring's ssh-agent wrapper. Doing so is not strictly necessary, since each agent listens on a different socket and `SSH_AUTH_SOCK` can be used to choose between them, but it can make debugging issues easier. Note that the GNOME implementation does not support many scripting features such BatchMode [4].

To disable gcr-ssh-agent, ensure `gcr-ssh-agent.socket` and `gcr-ssh-agent.service` are both disabled and stopped in systemd.

## Tips and tricks

### Integration with applications

- Chromium

### Locking a keyring

    $ dbus-send --session --dest=org.freedesktop.secrets \
       --type=method_call  \
       /org/freedesktop/secrets \
       org.freedesktop.Secret.Service.Lock \
       array:objpath:/org/freedesktop/secrets/collection/login

This command performs a D-Bus method call to lock the login keyring. Alternatively, if you want to use a GUI, Seahorse can be used lock the keyring.

### Flushing passphrases

    $ gnome-keyring-daemon -r -d

This command starts gnome-keyring-daemon, shutting down previously running instances.

### Git integration

The GNOME keyring is useful in conjunction with Git when you are pushing over HTTPS. The libsecret package needs to be installed for this functionality to be available.

Configure Git to use the libsecret helper:

    $ git config --global credential.helper /usr/lib/git-core/git-credential-libsecret

The next time you run `git push`, you will be asked to unlock your keyring if it is not already unlocked.

### GnuPG integration

Several applications which use GnuPG require a `pinentry-program` to be set. Set the following to use GNOME 3 pinentry for GNOME Keyring to manage passphrase prompts.

    ~/.gnupg/gpg-agent.conf

    pinentry-program /usr/bin/pinentry-gnome3

Another option is to force loopback for GPG which should allow the passphrase to be entered in the application.

### Renaming a keyring

The display name for a keyring (i.e., the name that appears in Seahorse and from `file`) can be changed by changing the value of display-name in the unencrypted keyring file. Keyrings will usually be stored in `~/.local/share/keyrings/` with the .keyring file extension.

### Automatically change keyring password with user password

Note This only affects the login keyring.

Append `password optional pam_gnome_keyring.so` to `/etc/pam.d/passwd`:

    /etc/pam.d/passwd

    ...
    password	optional	pam_gnome_keyring.so

### Using gnome-keyring-daemon outside desktop environments (KDE, GNOME, XFCE, ...)

#### Launching

The factual accuracy of this article or section is disputed.

Reason: At least xinit and SDDM execute all scripts from `/etc/X11/xinit/xinitrc.d/` and sway provides `/etc/sway/config.d/50-systemd-user.conf` so the problem is not being "outside desktop environments". If gnome-keyring requires XDG Autostart, the installation/configuration section should say so. (Discuss in Talk:GNOME/Keyring#Launching gnome-keyring-daemon outside desktop environments (KDE,_GNOME,_XFCE,_...))

If you are using sway, i3, or any window manager that does not execute

- `/etc/xdg/autostart/gnome-keyring-*.desktop`
- `/etc/X11/xinit/xinitrc.d/50-systemd-user.sh`

your window manager needs to execute the following commands during window manager startup. The commands do not need to be executed in any specific order.

    dbus-update-activation-environment DISPLAY XAUTHORITY WAYLAND_DISPLAY

or

    dbus-update-activation-environment --all

This command passes environment variables from the window manager to session dbus. Without this, GUI prompts cannot be triggered over DBus. For example, this is required for seahorse password prompt.

This is required because session dbus is started before graphical environment is started. Thus, session dbus does not know about the graphical environment you are in. Someone or something has to teach session dbus about the graphical environment by passing environment variables describing the graphical environment to session dbus.

    gnome-keyring-daemon --start --components=secrets

During login, PAM starts `gnome-keyring-daemon --login` which is responsible for keeping gnome-keyring unlocked with login password. If `gnome-keyring-daemon --login` is not connected to session dbus within a few minutes, `gnome-keyring-daemon --login` dies. If `gnome-keyring-daemon --start ...` is started against session dbus in a window manager, `gnome-keyring-daemon --login` is connected to session dbus. If your login session does not start `gnome-keyring-daemon --start ...` before `gnome-keyring-daemon --login` quits, you can also use any program that uses gnome-keyring or secret service API before `gnome-keyring-daemon --login` dies.

#### GNOME Keyring XDG Portal

GNOME Keyring exposes an XDG Portal backend (for use with applications sandboxed through flatpak for example). In order for it to work outside of GNOME, one must configure it to be used. There are a few ways to do this.

##### Configuring user-level Secrets Portal

The method which avoids modifying system files is to configure `gnome-keyring` to be preferred as the `Secrets` portal in `$XDG_CONFIG_HOME/xdg-desktop-portal/$XDG_CURRENT_DESKTOP-portals.conf`. For example, to configure sway to use `gnome-keyring` as the preferred portal to use for `org.freedesktop.impl.portal.Secret`.

    ~/.config/xdg-desktop-portal/sway-portals.conf

    [preferred]
    default=wlr;gtk
    org.freedesktop.impl.portal.Secret=gnome-keyring

##### Modifying gnome-keyring.portal

The factual accuracy of this article or section is disputed.

Reason: Modifies package files in `/usr/share`, will be undone on pacman upgrades (Discuss in Talk:GNOME/Keyring)

Another method is to add your desktop environment to the `/usr/share/xdg-desktop-portal/portals/gnome-keyring.portal` configuration file by modifying the `UseIn` key. For instance, to add sway:

    /usr/share/xdg-desktop-portal/portals/gnome-keyring.portal

    [portal]
    DBusName=org.freedesktop.secrets
    Interfaces=org.freedesktop.impl.portal.Secret
    UseIn=gnome;sway

See XDG Desktop Portal#Backends for more information about XDG Desktop Portal backends.

## Troubleshooting

### Passwords are not remembered

If you are prompted for a password after logging in and you find that your passwords are not saved, then you may need to create/set a default keyring. To do this using Seahorse (a.k.a. Passwords and Keys), see Create a new keyring and Change the default keyring in GNOME Help.

### Resetting the keyring

You will need to change your login keyring password if you receive the following error message: "The password you use to login to your computer no longer matches that of your login keyring".

Alternatively, you can remove the `login.keyring` and `user.keystore` files from `~/.local/share/keyrings/`. Be warned that this will permanently delete all saved keys. After removing the files, simply log out and log in again.

### Unable to locate daemon control file

The following error may appear in the journal after logging in:

    gkr-pam: unable to locate daemon control file

This message "can be safely ignored" if there are no other related issues [5].

### No such secret collection at path: /

If you try to add a new keyring with Seahorse you may receive this error due to the following reasons:

- The `~/.local/share/keyrings/` directory does not exist. Create it if missing.
- A custom `~/.xinitrc` is used. This may be solved by adding the following line [6]

    ~/.xinitrc

    source /etc/X11/xinit/xinitrc.d/50-systemd-user.sh

### Terminal gives the message "discover_other_daemon: 1"

This is caused by gnome-keyring-daemon being started for the second time. Since a systemd service is delivered together with the daemon, you do not need to start it another way. So make sure to remove the start command from your `.zshenv`, `.bash_profile`, `.xinitrc`, `config.fish` or similar. Alternatively you can disable the `gnome-keyring-daemon.service` and `gnome-keyring-daemon.socket` user units.

### Improper initialization of the keyring

There are a few symptoms of this:

- Programs like SSH or Git hang while waiting for the keyring to provide a password, eventually timing out with errors such as "agent refused operation".
- Seahorse does not display any keyring, and manually creating a keyring named "login" does not appear to do anything.
- The following error message appears in seahorse's output:

      couldn't load all secret collections: No such secret collection at path: /org/freedesktop/secrets/collection/login

To address this, do the following:

1. Restart the `gnome-keyring-daemon.service` systemd user unit. This should properly initialize the login keyring.
2. Restart the `gcr-ssh-agent.service` systemd user unit if used. Other agents might also need restarting.

If this does not fix the issue, consider resetting the keyring.

### SSH agent is not available

Symptom : `ssh-add -L` returns "Error connecting to agent: Connection refused"

Ensure `gcr-ssh-agent.socket` user unit is enabled and started:

`$ systemctl --user enable --now gcr-ssh-agent.socket`

Ensure `gnome-keyring-daemon` socket and service user unit are enabled and started:

`$ systemctl --user enable gnome-keyring-daemon.{service,socket`} `$ systemctl --user start gnome-keyring-daemon.{service,socket`}

## See also

- https://help.gnome.org/users/seahorse/stable/
- GNOME Wiki page (Archived)
- Packages providing org.freedesktop.secrets

Categories:

- GNOME
- OpenPGP

Hidden category:

- Pages or sections flagged with Template:Accuracy

GNOME/Keyring
Add topic