240 lines
7.5 KiB
Nix
240 lines
7.5 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
|
|
cfg = config.programs.gnupg;
|
|
|
|
agentSettingsFormat = pkgs.formats.keyValue {
|
|
mkKeyValue = lib.generators.mkKeyValueDefault { } " ";
|
|
};
|
|
|
|
xserverCfg = config.services.xserver;
|
|
|
|
defaultPinentryFlavor =
|
|
if xserverCfg.desktopManager.lxqt.enable
|
|
|| xserverCfg.desktopManager.plasma5.enable
|
|
|| xserverCfg.desktopManager.deepin.enable then
|
|
"qt"
|
|
else if xserverCfg.desktopManager.xfce.enable then
|
|
"gtk2"
|
|
else if xserverCfg.enable || config.programs.sway.enable then
|
|
"gnome3"
|
|
else
|
|
"curses";
|
|
|
|
in
|
|
|
|
{
|
|
|
|
options.programs.gnupg = {
|
|
package = mkPackageOption pkgs "gnupg" { };
|
|
|
|
agent.enable = mkOption {
|
|
type = types.bool;
|
|
default = false;
|
|
description = lib.mdDoc ''
|
|
Enables GnuPG agent with socket-activation for every user session.
|
|
'';
|
|
};
|
|
|
|
agent.enableSSHSupport = mkOption {
|
|
type = types.bool;
|
|
default = false;
|
|
description = lib.mdDoc ''
|
|
Enable SSH agent support in GnuPG agent. Also sets SSH_AUTH_SOCK
|
|
environment variable correctly. This will disable socket-activation
|
|
and thus always start a GnuPG agent per user session.
|
|
'';
|
|
};
|
|
|
|
agent.enableExtraSocket = mkOption {
|
|
type = types.bool;
|
|
default = false;
|
|
description = lib.mdDoc ''
|
|
Enable extra socket for GnuPG agent.
|
|
'';
|
|
};
|
|
|
|
agent.enableBrowserSocket = mkOption {
|
|
type = types.bool;
|
|
default = false;
|
|
description = lib.mdDoc ''
|
|
Enable browser socket for GnuPG agent.
|
|
'';
|
|
};
|
|
|
|
agent.pinentryFlavor = mkOption {
|
|
type = types.nullOr (types.enum pkgs.pinentry.flavors);
|
|
example = "gnome3";
|
|
default = defaultPinentryFlavor;
|
|
defaultText = literalMD ''matching the configured desktop environment'';
|
|
description = lib.mdDoc ''
|
|
Which pinentry interface to use. If not null, the path to the
|
|
pinentry binary will be set in /etc/gnupg/gpg-agent.conf.
|
|
If not set at all, it'll pick an appropriate flavor depending on the
|
|
system configuration (qt flavor for lxqt and plasma5, gtk2 for xfce
|
|
4.12, gnome3 on all other systems with X enabled, ncurses otherwise).
|
|
'';
|
|
};
|
|
|
|
agent.settings = mkOption {
|
|
type = agentSettingsFormat.type;
|
|
default = { };
|
|
example = {
|
|
default-cache-ttl = 600;
|
|
};
|
|
description = lib.mdDoc ''
|
|
Configuration for /etc/gnupg/gpg-agent.conf.
|
|
See {manpage}`gpg-agent(1)` for supported options.
|
|
'';
|
|
};
|
|
|
|
dirmngr.enable = mkOption {
|
|
type = types.bool;
|
|
default = false;
|
|
description = lib.mdDoc ''
|
|
Enables GnuPG network certificate management daemon with socket-activation for every user session.
|
|
'';
|
|
};
|
|
};
|
|
|
|
config = mkIf cfg.agent.enable {
|
|
programs.gnupg.agent.settings = {
|
|
pinentry-program = lib.mkIf (cfg.agent.pinentryFlavor != null)
|
|
"${pkgs.pinentry.${cfg.agent.pinentryFlavor}}/bin/pinentry";
|
|
};
|
|
|
|
environment.etc."gnupg/gpg-agent.conf".source =
|
|
agentSettingsFormat.generate "gpg-agent.conf" cfg.agent.settings;
|
|
|
|
# This overrides the systemd user unit shipped with the gnupg package
|
|
systemd.user.services.gpg-agent = {
|
|
unitConfig = {
|
|
Description = "GnuPG cryptographic agent and passphrase cache";
|
|
Documentation = "man:gpg-agent(1)";
|
|
Requires = [ "sockets.target" ];
|
|
};
|
|
serviceConfig = {
|
|
ExecStart = "${cfg.package}/bin/gpg-agent --supervised";
|
|
ExecReload = "${cfg.package}/bin/gpgconf --reload gpg-agent";
|
|
};
|
|
};
|
|
|
|
systemd.user.sockets.gpg-agent = {
|
|
unitConfig = {
|
|
Description = "GnuPG cryptographic agent and passphrase cache";
|
|
Documentation = "man:gpg-agent(1)";
|
|
};
|
|
socketConfig = {
|
|
ListenStream = "%t/gnupg/S.gpg-agent";
|
|
FileDescriptorName = "std";
|
|
SocketMode = "0600";
|
|
DirectoryMode = "0700";
|
|
};
|
|
wantedBy = [ "sockets.target" ];
|
|
};
|
|
|
|
systemd.user.sockets.gpg-agent-ssh = mkIf cfg.agent.enableSSHSupport {
|
|
unitConfig = {
|
|
Description = "GnuPG cryptographic agent (ssh-agent emulation)";
|
|
Documentation = "man:gpg-agent(1) man:ssh-add(1) man:ssh-agent(1) man:ssh(1)";
|
|
};
|
|
socketConfig = {
|
|
ListenStream = "%t/gnupg/S.gpg-agent.ssh";
|
|
FileDescriptorName = "ssh";
|
|
Service = "gpg-agent.service";
|
|
SocketMode = "0600";
|
|
DirectoryMode = "0700";
|
|
};
|
|
wantedBy = [ "sockets.target" ];
|
|
};
|
|
|
|
systemd.user.sockets.gpg-agent-extra = mkIf cfg.agent.enableExtraSocket {
|
|
unitConfig = {
|
|
Description = "GnuPG cryptographic agent and passphrase cache (restricted)";
|
|
Documentation = "man:gpg-agent(1)";
|
|
};
|
|
socketConfig = {
|
|
ListenStream = "%t/gnupg/S.gpg-agent.extra";
|
|
FileDescriptorName = "extra";
|
|
Service = "gpg-agent.service";
|
|
SocketMode = "0600";
|
|
DirectoryMode = "0700";
|
|
};
|
|
wantedBy = [ "sockets.target" ];
|
|
};
|
|
|
|
systemd.user.sockets.gpg-agent-browser = mkIf cfg.agent.enableBrowserSocket {
|
|
unitConfig = {
|
|
Description = "GnuPG cryptographic agent and passphrase cache (access for web browsers)";
|
|
Documentation = "man:gpg-agent(1)";
|
|
};
|
|
socketConfig = {
|
|
ListenStream = "%t/gnupg/S.gpg-agent.browser";
|
|
FileDescriptorName = "browser";
|
|
Service = "gpg-agent.service";
|
|
SocketMode = "0600";
|
|
DirectoryMode = "0700";
|
|
};
|
|
wantedBy = [ "sockets.target" ];
|
|
};
|
|
|
|
systemd.user.services.dirmngr = mkIf cfg.dirmngr.enable {
|
|
unitConfig = {
|
|
Description = "GnuPG network certificate management daemon";
|
|
Documentation = "man:dirmngr(8)";
|
|
Requires = "dirmngr.socket";
|
|
};
|
|
serviceConfig = {
|
|
ExecStart = "${cfg.package}/bin/dirmngr --supervised";
|
|
ExecReload = "${cfg.package}/bin/gpgconf --reload dirmngr";
|
|
};
|
|
};
|
|
|
|
systemd.user.sockets.dirmngr = mkIf cfg.dirmngr.enable {
|
|
unitConfig = {
|
|
Description = "GnuPG network certificate management daemon";
|
|
Documentation = "man:dirmngr(8)";
|
|
};
|
|
socketConfig = {
|
|
ListenStream = "%t/gnupg/S.dirmngr";
|
|
SocketMode = "0600";
|
|
DirectoryMode = "0700";
|
|
};
|
|
wantedBy = [ "sockets.target" ];
|
|
};
|
|
|
|
services.dbus.packages = mkIf (cfg.agent.pinentryFlavor == "gnome3") [ pkgs.gcr ];
|
|
|
|
environment.systemPackages = with pkgs; [ cfg.package ];
|
|
|
|
environment.interactiveShellInit = ''
|
|
# Bind gpg-agent to this TTY if gpg commands are used.
|
|
export GPG_TTY=$(tty)
|
|
'';
|
|
|
|
programs.ssh.extraConfig = optionalString cfg.agent.enableSSHSupport ''
|
|
# The SSH agent protocol doesn't have support for changing TTYs; however we
|
|
# can simulate this with the `exec` feature of openssh (see ssh_config(5))
|
|
# that hooks a command to the shell currently running the ssh program.
|
|
Match host * exec "${pkgs.runtimeShell} -c '${cfg.package}/bin/gpg-connect-agent --quiet updatestartuptty /bye >/dev/null 2>&1'"
|
|
'';
|
|
|
|
environment.extraInit = mkIf cfg.agent.enableSSHSupport ''
|
|
if [ -z "$SSH_AUTH_SOCK" ]; then
|
|
export SSH_AUTH_SOCK=$(${cfg.package}/bin/gpgconf --list-dirs agent-ssh-socket)
|
|
fi
|
|
'';
|
|
|
|
assertions = [
|
|
{ assertion = cfg.agent.enableSSHSupport -> !config.programs.ssh.startAgent;
|
|
message = "You can't use ssh-agent and GnuPG agent with SSH support enabled at the same time!";
|
|
}
|
|
];
|
|
};
|
|
|
|
# uses attributes of the linked package
|
|
meta.buildDocsInSandbox = false;
|
|
}
|