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{ config, pkgs, ... }:
with pkgs.lib;
let
# `pam_console' maintains the set of locally logged in users in
# /var/run/console. This is obsolete, but D-Bus still uses it for
# its `at_console' feature. So maintain it using a ConsoleKit
# session script. Borrowed from
# http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/sys-auth/consolekit/files/pam-foreground-compat.ck
updateVarRunConsole = pkgs.writeTextFile {
name = "var-run-console.ck";
destination = "/etc/ConsoleKit/run-session.d/var-run-console.ck";
executable = true;
text =
''
#! ${pkgs.stdenv.shell} -e
PATH=${pkgs.coreutils}/bin:${pkgs.gnused}/bin:${pkgs.glibc}/bin
TAGDIR=/var/run/console
[ -n "$CK_SESSION_USER_UID" ] || exit 1
TAGFILE="$TAGDIR/`getent passwd $CK_SESSION_USER_UID | cut -f 1 -d:`"
if [ "$1" = "session_added" ]; then
mkdir -p "$TAGDIR"
echo "$CK_SESSION_ID" >> "$TAGFILE"
fi
if [ "$1" = "session_removed" ] && [ -e "$TAGFILE" ]; then
sed -i "\%^$CK_SESSION_ID\$%d" "$TAGFILE"
[ -s "$TAGFILE" ] || rm -f "$TAGFILE"
fi
'';
};
in
{
config = {
environment.systemPackages = [ pkgs.consolekit ];
services.dbus.packages = [ pkgs.consolekit ];
environment.etc = singleton
{ source = (pkgs.buildEnv {
name = "consolekit-config";
pathsToLink = [ "/etc/ConsoleKit" ];
paths = [ pkgs.consolekit pkgs.udev updateVarRunConsole ];
}) + "/etc/ConsoleKit";
target = "ConsoleKit";
};
};
}
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