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