liminix/modules/ppp/l2tp.nix

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2024-05-11 23:48:06 +02:00
{
liminix
, lib
, ppp
, pppoe
, writeAshScript
, writeText
, serviceFns
, xl2tpd
} :
{ lns, ppp-options }:
let
inherit (liminix.services) longrun;
name = "${lns}.l2tp";
ip-up = writeAshScript "ip-up" {} ''
. ${serviceFns}
(in_outputs ${name}
echo $1 > ifname
echo $2 > tty
echo $3 > speed
echo $4 > address
echo $5 > peer-address
echo $DNS1 > ns1
echo $DNS2 > ns2
)
echo >/proc/self/fd/10
'';
ip6-up = writeAshScript "ip6-up" {} ''
. ${serviceFns}
(in_outputs ${name}
echo $4 > ipv6-address
echo $5 > ipv6-peer-address
)
echo >/proc/self/fd/10
'';
ppp-options' = ppp-options ++ [
"ip-up-script" ip-up
"ipv6-up-script" ip6-up
"ipparam" name
"nodetach"
"usepeerdns"
"logfd" "2"
];
conf = writeText "xl2tpd.conf" ''
[lac upstream]
lns = ${lns}
require authentication = no
pppoptfile = ${writeText "ppp-options" ppp-options'}
autodial = yes
redial = yes
'';
control = "/run/xl2tpd/control-${name}";
in
longrun {
inherit name;
run = ''
. ${serviceFns}
mkdir -p /run/xl2tpd
touch ${control}
${xl2tpd}/bin/xl2tpd -D -p /run/xl2tpd/${name}.pid -c ${conf} -C ${control}
'';
notification-fd = 10;
}