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{ secrets, config, utils, pkgs, ... }:
{
age.secrets.pppdEnv.file = secrets."${config.networking.hostName}".pppdEnv;
services.pppd = {
enable = true;
peers.dtagdsl.config = ''
plugin pppoe.so dtagdsl
user "''${DTAG_PPP_USER}"
password "''${DTAG_PPP_PASS}"
hide-password
ifname ppp-dtagdsl
persist
maxfail 0
holdoff 5
noipdefault
lcp-echo-interval 20
lcp-echo-failure 3
mtu 1492
defaultroute
replacedefaultroute
+ipv6
'';
};
environment.etc."ppp/peers/dtagdsl".enable = false;
environment.etc."ip-up.d/1systemd-networkd" = {
mode = "755";
text = ''
#!{pkgs.bash}/bin/bash
networkctl reconfigure "$PPP_IFACE";
'';
};
systemd.services."pppd-dtagdsl".serviceConfig = let
preStart = ''
mkdir -p /etc/ppp/peers
# Created files only readable by root
umask u=rw,g=,o=
# Copy config and substitute env-vars
rm -f /etc/ppp/peers/dtagdsl
${pkgs.envsubst}/bin/envsubst -i "${config.environment.etc."ppp/peers/dtagdsl".source}" > /etc/ppp/peers/dtagdsl
'';
preStartFile = utils.systemdUtils.lib.makeJobScript { name = "pppd-dtagdsl-pre-start"; text = preStart; enableStrictShellChecks = true; };
in {
EnvironmentFile = config.age.secrets.pppdEnv.path;
ExecStartPre = [
# "+" marks script to be executed without priviledge restrictions
"+${preStartFile}"
];
};
}