56 lines
1.4 KiB
Nix
56 lines
1.4 KiB
Nix
with import <stockholm/lib>;
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{ config, pkgs, ... }: {
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options.krebs.iana-etc.services = mkOption {
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default = {};
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type = types.attrsOf (types.submodule ({ config, ... }: {
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options = {
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port = mkOption {
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default = config._module.args.name;
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type = types.addCheck types.str (test "[1-9][0-9]*");
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};
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} // genAttrs ["tcp" "udp"] (protocol: mkOption {
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default = null;
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type = types.nullOr (types.submodule {
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options = {
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name = mkOption {
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type = types.str;
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};
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};
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});
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});
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}));
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};
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config.environment.etc = mkIf (config.krebs.iana-etc.services != {}) {
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services.source = mkForce (pkgs.runCommand "krebs-iana-etc" {} ''
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exec < ${pkgs.iana_etc}/etc/services
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exec > $out
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awk -F '[ /]+' '
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BEGIN {
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port=0
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}
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${concatMapStringsSep "\n" (entry: ''
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$2 == ${entry.port} {
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port=$2
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next
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}
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port == ${entry.port} {
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${concatMapStringsSep "\n"
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(proto: let
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s = "${entry.${proto}.name} ${entry.port}/${proto}";
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in
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"print ${toJSON s}")
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(filter (proto: entry.${proto} != null) ["tcp" "udp"])}
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port=0
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}
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'') (attrValues config.krebs.iana-etc.services)}
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{
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print $0
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}
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'
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'');
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};
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}
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