mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-05 03:53:41 +00:00
144 lines
3.9 KiB
Nix
144 lines
3.9 KiB
Nix
|
{ config, stdenv, pkgs, lib, ... }:
|
||
|
|
||
|
with lib;
|
||
|
|
||
|
{
|
||
|
options = {
|
||
|
services.xl2tpd = {
|
||
|
enable = mkEnableOption "Whether xl2tpd should be run on startup.";
|
||
|
|
||
|
serverIp = mkOption {
|
||
|
type = types.string;
|
||
|
description = "The server-side IP address.";
|
||
|
default = "10.125.125.1";
|
||
|
};
|
||
|
|
||
|
clientIpRange = mkOption {
|
||
|
type = types.string;
|
||
|
description = "The range from which client IPs are drawn.";
|
||
|
default = "10.125.125.2-11";
|
||
|
};
|
||
|
|
||
|
extraXl2tpOptions = mkOption {
|
||
|
type = types.lines;
|
||
|
description = "Adds extra lines to the xl2tpd configuration file.";
|
||
|
default = "";
|
||
|
};
|
||
|
|
||
|
extraPppdOptions = mkOption {
|
||
|
type = types.lines;
|
||
|
description = "Adds extra lines to the pppd options file.";
|
||
|
default = "";
|
||
|
example = ''
|
||
|
ms-dns 8.8.8.8
|
||
|
ms-dns 8.8.4.4
|
||
|
'';
|
||
|
};
|
||
|
};
|
||
|
};
|
||
|
|
||
|
config = mkIf config.services.xl2tpd.enable {
|
||
|
systemd.services.xl2tpd = let
|
||
|
cfg = config.services.xl2tpd;
|
||
|
|
||
|
# Config files from https://help.ubuntu.com/community/L2TPServer
|
||
|
xl2tpd-conf = pkgs.writeText "xl2tpd.conf" ''
|
||
|
[global]
|
||
|
ipsec saref = no
|
||
|
|
||
|
[lns default]
|
||
|
local ip = ${cfg.serverIp}
|
||
|
ip range = ${cfg.clientIpRange}
|
||
|
pppoptfile = ${pppd-options}
|
||
|
length bit = yes
|
||
|
|
||
|
; Extra
|
||
|
${cfg.extraXl2tpOptions}
|
||
|
'';
|
||
|
|
||
|
pppd-options = pkgs.writeText "ppp-options-xl2tpd.conf" ''
|
||
|
refuse-pap
|
||
|
refuse-chap
|
||
|
refuse-mschap
|
||
|
require-mschap-v2
|
||
|
# require-mppe-128
|
||
|
asyncmap 0
|
||
|
auth
|
||
|
crtscts
|
||
|
idle 1800
|
||
|
mtu 1200
|
||
|
mru 1200
|
||
|
lock
|
||
|
hide-password
|
||
|
local
|
||
|
# debug
|
||
|
name xl2tpd
|
||
|
# proxyarp
|
||
|
lcp-echo-interval 30
|
||
|
lcp-echo-failure 4
|
||
|
|
||
|
# Extra:
|
||
|
${cfg.extraPppdOptions}
|
||
|
'';
|
||
|
|
||
|
xl2tpd-ppp-wrapped = pkgs.stdenv.mkDerivation {
|
||
|
name = "xl2tpd-ppp-wrapped";
|
||
|
phases = [ "installPhase" ];
|
||
|
buildInputs = with pkgs; [ makeWrapper ];
|
||
|
installPhase = ''
|
||
|
mkdir -p $out/bin
|
||
|
|
||
|
makeWrapper ${pkgs.ppp}/sbin/pppd $out/bin/pppd \
|
||
|
--set LD_PRELOAD "${pkgs.libredirect}/lib/libredirect.so" \
|
||
|
--set NIX_REDIRECTS "/etc/ppp=/etc/xl2tpd/ppp"
|
||
|
|
||
|
makeWrapper ${pkgs.xl2tpd}/bin/xl2tpd $out/bin/xl2tpd \
|
||
|
--set LD_PRELOAD "${pkgs.libredirect}/lib/libredirect.so" \
|
||
|
--set NIX_REDIRECTS "${pkgs.ppp}/sbin/pppd=$out/bin/pppd"
|
||
|
'';
|
||
|
};
|
||
|
in {
|
||
|
description = "xl2tpd server";
|
||
|
|
||
|
requires = [ "network-online.target" ];
|
||
|
wantedBy = [ "multi-user.target" ];
|
||
|
|
||
|
preStart = ''
|
||
|
mkdir -p -m 700 /etc/xl2tpd
|
||
|
|
||
|
pushd /etc/xl2tpd > /dev/null
|
||
|
|
||
|
mkdir -p -m 700 ppp
|
||
|
|
||
|
[ -f ppp/chap-secrets ] || cat > ppp/chap-secrets << EOF
|
||
|
# Secrets for authentication using CHAP
|
||
|
# client server secret IP addresses
|
||
|
#username xl2tpd password *
|
||
|
EOF
|
||
|
|
||
|
chown root.root ppp/chap-secrets
|
||
|
chmod 600 ppp/chap-secrets
|
||
|
|
||
|
# The documentation says this file should be present but doesn't explain why and things work even if not there:
|
||
|
[ -f l2tp-secrets ] || (echo -n "* * "; ${pkgs.apg}/bin/apg -n 1 -m 32 -x 32 -a 1 -M LCN) > l2tp-secrets
|
||
|
chown root.root l2tp-secrets
|
||
|
chmod 600 l2tp-secrets
|
||
|
|
||
|
popd > /dev/null
|
||
|
|
||
|
mkdir -p /run/xl2tpd
|
||
|
chown root.root /run/xl2tpd
|
||
|
chmod 700 /run/xl2tpd
|
||
|
'';
|
||
|
|
||
|
serviceConfig = {
|
||
|
ExecStart = "${xl2tpd-ppp-wrapped}/bin/xl2tpd -D -c ${xl2tpd-conf} -s /etc/xl2tpd/l2tp-secrets -p /run/xl2tpd/pid -C /run/xl2tpd/control";
|
||
|
KillMode = "process";
|
||
|
Restart = "on-success";
|
||
|
Type = "simple";
|
||
|
PIDFile = "/run/xl2tpd/pid";
|
||
|
};
|
||
|
};
|
||
|
};
|
||
|
}
|