forked from mirrors/nixpkgs
2e751c0772
the conversion procedure is simple: - find all things that look like options, ie calls to either `mkOption` or `lib.mkOption` that take an attrset. remember the attrset as the option - for all options, find a `description` attribute who's value is not a call to `mdDoc` or `lib.mdDoc` - textually convert the entire value of the attribute to MD with a few simple regexes (the set from mdize-module.sh) - if the change produced a change in the manual output, discard - if the change kept the manual unchanged, add some text to the description to make sure we've actually found an option. if the manual changes this time, keep the converted description this procedure converts 80% of nixos options to markdown. around 2000 options remain to be inspected, but most of those fail the "does not change the manual output check": currently the MD conversion process does not faithfully convert docbook tags like <code> and <package>, so any option using such tags will not be converted at all.
125 lines
3.4 KiB
Nix
125 lines
3.4 KiB
Nix
{ config, pkgs, lib, ... }:
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with lib;
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{
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options = {
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services.pptpd = {
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enable = mkEnableOption "pptpd, the Point-to-Point Tunneling Protocol daemon";
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serverIp = mkOption {
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type = types.str;
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description = lib.mdDoc "The server-side IP address.";
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default = "10.124.124.1";
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};
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clientIpRange = mkOption {
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type = types.str;
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description = lib.mdDoc "The range from which client IPs are drawn.";
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default = "10.124.124.2-11";
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};
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maxClients = mkOption {
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type = types.int;
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description = lib.mdDoc "The maximum number of simultaneous connections.";
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default = 10;
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};
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extraPptpdOptions = mkOption {
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type = types.lines;
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description = lib.mdDoc "Adds extra lines to the pptpd configuration file.";
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default = "";
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};
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extraPppdOptions = mkOption {
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type = types.lines;
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description = lib.mdDoc "Adds extra lines to the pppd options file.";
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default = "";
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example = ''
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ms-dns 8.8.8.8
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ms-dns 8.8.4.4
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'';
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};
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};
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};
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config = mkIf config.services.pptpd.enable {
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systemd.services.pptpd = let
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cfg = config.services.pptpd;
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pptpd-conf = pkgs.writeText "pptpd.conf" ''
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# Inspired from pptpd-1.4.0/samples/pptpd.conf
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ppp ${ppp-pptpd-wrapped}/bin/pppd
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option ${pppd-options}
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pidfile /run/pptpd.pid
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localip ${cfg.serverIp}
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remoteip ${cfg.clientIpRange}
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connections ${toString cfg.maxClients} # (Will get harmless warning if inconsistent with IP range)
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# Extra
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${cfg.extraPptpdOptions}
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'';
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pppd-options = pkgs.writeText "ppp-options-pptpd.conf" ''
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# From: cat pptpd-1.4.0/samples/options.pptpd | grep -v ^# | grep -v ^$
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name pptpd
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refuse-pap
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refuse-chap
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refuse-mschap
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require-mschap-v2
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require-mppe-128
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proxyarp
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lock
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nobsdcomp
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novj
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novjccomp
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nologfd
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# Extra:
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${cfg.extraPppdOptions}
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'';
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ppp-pptpd-wrapped = pkgs.stdenv.mkDerivation {
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name = "ppp-pptpd-wrapped";
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phases = [ "installPhase" ];
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buildInputs = with pkgs; [ makeWrapper ];
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installPhase = ''
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mkdir -p $out/bin
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makeWrapper ${pkgs.ppp}/bin/pppd $out/bin/pppd \
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--set LD_PRELOAD "${pkgs.libredirect}/lib/libredirect.so" \
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--set NIX_REDIRECTS "/etc/ppp=/etc/ppp-pptpd"
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'';
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};
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in {
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description = "pptpd server";
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requires = [ "network-online.target" ];
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wantedBy = [ "multi-user.target" ];
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preStart = ''
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mkdir -p -m 700 /etc/ppp-pptpd
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secrets="/etc/ppp-pptpd/chap-secrets"
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[ -f "$secrets" ] || cat > "$secrets" << EOF
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# From: pptpd-1.4.0/samples/chap-secrets
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# Secrets for authentication using CHAP
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# client server secret IP addresses
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#username pptpd password *
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EOF
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chown root:root "$secrets"
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chmod 600 "$secrets"
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'';
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serviceConfig = {
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ExecStart = "${pkgs.pptpd}/bin/pptpd --conf ${pptpd-conf}";
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KillMode = "process";
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Restart = "on-success";
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Type = "forking";
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PIDFile = "/run/pptpd.pid";
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};
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};
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};
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}
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