eed14baec3
I realize that advanced users like to configure services with Nix attrsets, but I don't think we should remove the option to use the (configuration) language provided by upstream.
841 lines
25 KiB
Nix
841 lines
25 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.postfix;
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user = cfg.user;
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group = cfg.group;
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setgidGroup = cfg.setgidGroup;
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haveAliases = cfg.postmasterAlias != "" || cfg.rootAlias != ""
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|| cfg.extraAliases != "";
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haveTransport = cfg.transport != "";
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haveVirtual = cfg.virtual != "";
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clientAccess =
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if (cfg.dnsBlacklistOverrides != "")
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then [ "check_client_access hash:/etc/postfix/client_access" ]
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else [];
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dnsBl =
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if (cfg.dnsBlacklists != [])
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then [ (concatStringsSep ", " (map (s: "reject_rbl_client " + s) cfg.dnsBlacklists)) ]
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else [];
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clientRestrictions = concatStringsSep ", " (clientAccess ++ dnsBl);
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mainCf = let
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escape = replaceStrings ["$"] ["$$"];
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mkList = items: "\n " + concatMapStringsSep "\n " escape items;
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mkVal = value:
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if isList value then mkList value
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else " " + (if value == true then "yes"
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else if value == false then "no"
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else toString value);
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mkEntry = name: value: "${escape name} =${mkVal value}";
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in
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concatStringsSep "\n" (mapAttrsToList mkEntry (recursiveUpdate defaultConf cfg.config))
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+ "\n" + cfg.extraConfig;
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defaultConf = {
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compatibility_level = "9999";
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mail_owner = user;
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default_privs = "nobody";
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# NixOS specific locations
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data_directory = "/var/lib/postfix/data";
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queue_directory = "/var/lib/postfix/queue";
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# Default location of everything in package
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meta_directory = "${pkgs.postfix}/etc/postfix";
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command_directory = "${pkgs.postfix}/bin";
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sample_directory = "/etc/postfix";
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newaliases_path = "${pkgs.postfix}/bin/newaliases";
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mailq_path = "${pkgs.postfix}/bin/mailq";
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readme_directory = false;
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sendmail_path = "${pkgs.postfix}/bin/sendmail";
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daemon_directory = "${pkgs.postfix}/libexec/postfix";
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manpage_directory = "${pkgs.postfix}/share/man";
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html_directory = "${pkgs.postfix}/share/postfix/doc/html";
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shlib_directory = false;
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relayhost = if cfg.lookupMX || cfg.relayHost == ""
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then cfg.relayHost
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else "[${cfg.relayHost}]";
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mail_spool_directory = "/var/spool/mail/";
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setgid_group = setgidGroup;
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}
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// optionalAttrs config.networking.enableIPv6 { inet_protocols = "all"; }
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// optionalAttrs (cfg.networks != null) { mynetworks = cfg.networks; }
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// optionalAttrs (cfg.networksStyle != "") { mynetworks_style = cfg.networksStyle; }
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// optionalAttrs (cfg.hostname != "") { myhostname = cfg.hostname; }
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// optionalAttrs (cfg.domain != "") { mydomain = cfg.domain; }
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// optionalAttrs (cfg.origin != "") { myorigin = cfg.origin; }
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// optionalAttrs (cfg.destination != null) { mydestination = cfg.destination; }
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// optionalAttrs (cfg.relayDomains != null) { relay_domains = cfg.relayDomains; }
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// optionalAttrs (cfg.recipientDelimiter != "") { recipient_delimiter = cfg.recipientDelimiter; }
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// optionalAttrs haveAliases { alias_maps = "${cfg.aliasMapType}:/etc/postfix/aliases"; }
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// optionalAttrs haveTransport { transport_maps = "hash:/etc/postfix/transport"; }
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// optionalAttrs haveVirtual { virtual_alias_maps = "${cfg.virtualMapType}:/etc/postfix/virtual"; }
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// optionalAttrs (cfg.dnsBlacklists != []) { smtpd_client_restrictions = clientRestrictions; }
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// optionalAttrs cfg.enableHeaderChecks { header_checks = "regexp:/etc/postfix/header_checks"; }
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// optionalAttrs (cfg.sslCert != "") {
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smtp_tls_CAfile = cfg.sslCACert;
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smtp_tls_cert_file = cfg.sslCert;
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smtp_tls_key_file = cfg.sslKey;
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smtp_use_tls = true;
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smtpd_tls_CAfile = cfg.sslCACert;
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smtpd_tls_cert_file = cfg.sslCert;
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smtpd_tls_key_file = cfg.sslKey;
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smtpd_use_tls = true;
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};
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masterCfOptions = { options, config, name, ... }: {
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options = {
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name = mkOption {
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type = types.str;
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default = name;
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example = "smtp";
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description = ''
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The name of the service to run. Defaults to the attribute set key.
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'';
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};
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type = mkOption {
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type = types.enum [ "inet" "unix" "fifo" "pass" ];
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default = "unix";
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example = "inet";
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description = "The type of the service";
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};
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private = mkOption {
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type = types.bool;
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example = false;
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description = ''
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Whether the service's sockets and storage directory is restricted to
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be only available via the mail system. If <literal>null</literal> is
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given it uses the postfix default <literal>true</literal>.
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'';
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};
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privileged = mkOption {
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type = types.bool;
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example = true;
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description = "";
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};
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chroot = mkOption {
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type = types.bool;
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example = true;
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description = ''
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Whether the service is chrooted to have only access to the
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<option>services.postfix.queueDir</option> and the closure of
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store paths specified by the <option>program</option> option.
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'';
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};
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wakeup = mkOption {
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type = types.int;
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example = 60;
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description = ''
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Automatically wake up the service after the specified number of
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seconds. If <literal>0</literal> is given, never wake the service
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up.
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'';
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};
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wakeupUnusedComponent = mkOption {
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type = types.bool;
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example = false;
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description = ''
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If set to <literal>false</literal> the component will only be woken
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up if it is used. This is equivalent to postfix' notion of adding a
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question mark behind the wakeup time in
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<filename>master.cf</filename>
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'';
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};
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maxproc = mkOption {
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type = types.int;
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example = 1;
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description = ''
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The maximum number of processes to spawn for this service. If the
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value is <literal>0</literal> it doesn't have any limit. If
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<literal>null</literal> is given it uses the postfix default of
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<literal>100</literal>.
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'';
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};
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command = mkOption {
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type = types.str;
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default = name;
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example = "smtpd";
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description = ''
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A program name specifying a Postfix service/daemon process.
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By default it's the attribute <option>name</option>.
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'';
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};
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args = mkOption {
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type = types.listOf types.str;
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default = [];
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example = [ "-o" "smtp_helo_timeout=5" ];
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description = ''
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Arguments to pass to the <option>command</option>. There is no shell
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processing involved and shell syntax is passed verbatim to the
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process.
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'';
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};
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rawEntry = mkOption {
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type = types.listOf types.str;
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default = [];
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internal = true;
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description = ''
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The raw configuration line for the <filename>master.cf</filename>.
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'';
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};
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};
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config.rawEntry = let
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mkBool = bool: if bool then "y" else "n";
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mkArg = arg: "${optionalString (hasPrefix "-" arg) "\n "}${arg}";
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maybeOption = fun: option:
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if options.${option}.isDefined then fun config.${option} else "-";
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# This is special, because we have two options for this value.
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wakeup = let
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wakeupDefined = options.wakeup.isDefined;
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wakeupUCDefined = options.wakeupUnusedComponent.isDefined;
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finalValue = toString config.wakeup
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+ optionalString (wakeupUCDefined && !config.wakeupUnusedComponent) "?";
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in if wakeupDefined then finalValue else "-";
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in [
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config.name
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config.type
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(maybeOption mkBool "private")
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(maybeOption (b: mkBool (!b)) "privileged")
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(maybeOption mkBool "chroot")
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wakeup
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(maybeOption toString "maxproc")
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(config.command + " " + concatMapStringsSep " " mkArg config.args)
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];
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};
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masterCfContent = let
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labels = [
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"# service" "type" "private" "unpriv" "chroot" "wakeup" "maxproc"
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"command + args"
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];
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labelDefaults = [
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"# " "" "(yes)" "(yes)" "(no)" "(never)" "(100)" "" ""
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];
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masterCf = mapAttrsToList (const (getAttr "rawEntry")) cfg.masterConfig;
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# A list of the maximum width of the columns across all lines and labels
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maxWidths = let
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foldLine = line: acc: let
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columnLengths = map stringLength line;
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in zipListsWith max acc columnLengths;
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# We need to handle the last column specially here, because it's
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# open-ended (command + args).
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lines = [ labels labelDefaults ] ++ (map (l: init l ++ [""]) masterCf);
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in fold foldLine (genList (const 0) (length labels)) lines;
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# Pad a string with spaces from the right (opposite of fixedWidthString).
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pad = width: str: let
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padWidth = width - stringLength str;
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padding = concatStrings (genList (const " ") padWidth);
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in str + optionalString (padWidth > 0) padding;
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# It's + 2 here, because that's the amount of spacing between columns.
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fullWidth = fold (width: acc: acc + width + 2) 0 maxWidths;
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formatLine = line: concatStringsSep " " (zipListsWith pad maxWidths line);
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formattedLabels = let
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sep = "# " + concatStrings (genList (const "=") (fullWidth + 5));
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lines = [ sep (formatLine labels) (formatLine labelDefaults) sep ];
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in concatStringsSep "\n" lines;
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in formattedLabels + "\n" + concatMapStringsSep "\n" formatLine masterCf + "\n" + cfg.extraMasterConf;
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headerCheckOptions = { ... }:
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{
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options = {
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pattern = mkOption {
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type = types.str;
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default = "/^.*/";
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example = "/^X-Mailer:/";
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description = "A regexp pattern matching the header";
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};
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action = mkOption {
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type = types.str;
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default = "DUNNO";
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example = "BCC mail@example.com";
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description = "The action to be executed when the pattern is matched";
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};
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};
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};
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headerChecks = concatStringsSep "\n" (map (x: "${x.pattern} ${x.action}") cfg.headerChecks) + cfg.extraHeaderChecks;
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aliases = let seperator = if cfg.aliasMapType == "hash" then ":" else ""; in
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optionalString (cfg.postmasterAlias != "") ''
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postmaster${seperator} ${cfg.postmasterAlias}
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''
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+ optionalString (cfg.rootAlias != "") ''
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root${seperator} ${cfg.rootAlias}
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''
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+ cfg.extraAliases
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;
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aliasesFile = pkgs.writeText "postfix-aliases" aliases;
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virtualFile = pkgs.writeText "postfix-virtual" cfg.virtual;
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checkClientAccessFile = pkgs.writeText "postfix-check-client-access" cfg.dnsBlacklistOverrides;
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mainCfFile = pkgs.writeText "postfix-main.cf" mainCf;
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masterCfFile = pkgs.writeText "postfix-master.cf" masterCfContent;
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transportFile = pkgs.writeText "postfix-transport" cfg.transport;
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headerChecksFile = pkgs.writeText "postfix-header-checks" headerChecks;
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in
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{
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###### interface
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options = {
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services.postfix = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = "Whether to run the Postfix mail server.";
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};
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enableSmtp = mkOption {
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default = true;
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description = "Whether to enable smtp in master.cf.";
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};
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enableSubmission = mkOption {
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type = types.bool;
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default = false;
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description = "Whether to enable smtp submission.";
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};
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submissionOptions = mkOption {
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type = types.attrs;
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default = {
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smtpd_tls_security_level = "encrypt";
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smtpd_sasl_auth_enable = "yes";
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smtpd_client_restrictions = "permit_sasl_authenticated,reject";
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milter_macro_daemon_name = "ORIGINATING";
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};
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example = {
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smtpd_tls_security_level = "encrypt";
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smtpd_sasl_auth_enable = "yes";
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smtpd_sasl_type = "dovecot";
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smtpd_client_restrictions = "permit_sasl_authenticated,reject";
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milter_macro_daemon_name = "ORIGINATING";
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};
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description = "Options for the submission config in master.cf";
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};
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setSendmail = mkOption {
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type = types.bool;
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default = true;
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description = "Whether to set the system sendmail to postfix's.";
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};
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user = mkOption {
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type = types.str;
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default = "postfix";
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description = "What to call the Postfix user (must be used only for postfix).";
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};
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group = mkOption {
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type = types.str;
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default = "postfix";
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description = "What to call the Postfix group (must be used only for postfix).";
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};
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setgidGroup = mkOption {
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type = types.str;
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default = "postdrop";
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description = "
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How to call postfix setgid group (for postdrop). Should
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be uniquely used group.
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";
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};
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networks = mkOption {
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type = types.nullOr (types.listOf types.str);
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default = null;
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example = ["192.168.0.1/24"];
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description = "
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Net masks for trusted - allowed to relay mail to third parties -
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hosts. Leave empty to use mynetworks_style configuration or use
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default (localhost-only).
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";
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};
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networksStyle = mkOption {
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type = types.str;
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default = "";
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description = "
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Name of standard way of trusted network specification to use,
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leave blank if you specify it explicitly or if you want to use
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default (localhost-only).
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";
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};
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hostname = mkOption {
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type = types.str;
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default = "";
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description ="
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Hostname to use. Leave blank to use just the hostname of machine.
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It should be FQDN.
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";
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};
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domain = mkOption {
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type = types.str;
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default = "";
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description ="
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Domain to use. Leave blank to use hostname minus first component.
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";
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};
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origin = mkOption {
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type = types.str;
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default = "";
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description ="
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Origin to use in outgoing e-mail. Leave blank to use hostname.
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";
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};
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destination = mkOption {
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type = types.nullOr (types.listOf types.str);
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default = null;
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example = ["localhost"];
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description = "
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Full (!) list of domains we deliver locally. Leave blank for
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acceptable Postfix default.
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";
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};
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relayDomains = mkOption {
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type = types.nullOr (types.listOf types.str);
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default = null;
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example = ["localdomain"];
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description = "
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List of domains we agree to relay to. Default is empty.
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";
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};
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relayHost = mkOption {
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type = types.str;
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default = "";
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description = "
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Mail relay for outbound mail.
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";
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};
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lookupMX = mkOption {
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type = types.bool;
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default = false;
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description = "
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Whether relay specified is just domain whose MX must be used.
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";
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};
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postmasterAlias = mkOption {
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type = types.str;
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default = "root";
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description = "Who should receive postmaster e-mail.";
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};
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rootAlias = mkOption {
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type = types.str;
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default = "";
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description = "
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Who should receive root e-mail. Blank for no redirection.
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";
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};
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extraAliases = mkOption {
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type = types.lines;
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default = "";
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description = "
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Additional entries to put verbatim into aliases file, cf. man-page aliases(8).
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";
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};
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aliasMapType = mkOption {
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type = with types; enum [ "hash" "regexp" "pcre" ];
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default = "hash";
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example = "regexp";
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description = "The format the alias map should have. Use regexp if you want to use regular expressions.";
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};
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config = mkOption {
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type = with types; attrsOf (either bool (either str (listOf str)));
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default = defaultConf;
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description = ''
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The main.cf configuration file as key value set.
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'';
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example = {
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mail_owner = "postfix";
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smtp_use_tls = true;
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};
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};
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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description = "
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Extra lines to be added verbatim to the main.cf configuration file.
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";
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};
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sslCert = mkOption {
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type = types.str;
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default = "";
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description = "SSL certificate to use.";
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};
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sslCACert = mkOption {
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type = types.str;
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default = "";
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description = "SSL certificate of CA.";
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};
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sslKey = mkOption {
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type = types.str;
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default = "";
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description = "SSL key to use.";
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};
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recipientDelimiter = mkOption {
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type = types.str;
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default = "";
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example = "+";
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description = "
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Delimiter for address extension: so mail to user+test can be handled by ~user/.forward+test
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";
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};
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virtual = mkOption {
|
|
type = types.lines;
|
|
default = "";
|
|
description = "
|
|
Entries for the virtual alias map, cf. man-page virtual(8).
|
|
";
|
|
};
|
|
|
|
virtualMapType = mkOption {
|
|
type = types.enum ["hash" "regexp" "pcre"];
|
|
default = "hash";
|
|
description = ''
|
|
What type of virtual alias map file to use. Use <literal>"regexp"</literal> for regular expressions.
|
|
'';
|
|
};
|
|
|
|
transport = mkOption {
|
|
default = "";
|
|
description = "
|
|
Entries for the transport map, cf. man-page transport(8).
|
|
";
|
|
};
|
|
|
|
dnsBlacklists = mkOption {
|
|
default = [];
|
|
type = with types; listOf string;
|
|
description = "dns blacklist servers to use with smtpd_client_restrictions";
|
|
};
|
|
|
|
dnsBlacklistOverrides = mkOption {
|
|
default = "";
|
|
description = "contents of check_client_access for overriding dnsBlacklists";
|
|
};
|
|
|
|
masterConfig = mkOption {
|
|
type = types.attrsOf (types.submodule masterCfOptions);
|
|
default = {};
|
|
example =
|
|
{ submission = {
|
|
type = "inet";
|
|
args = [ "-o" "smtpd_tls_security_level=encrypt" ];
|
|
};
|
|
};
|
|
description = ''
|
|
An attribute set of service options, which correspond to the service
|
|
definitions usually done within the Postfix
|
|
<filename>master.cf</filename> file.
|
|
'';
|
|
};
|
|
|
|
extraMasterConf = mkOption {
|
|
type = types.lines;
|
|
default = "";
|
|
example = "submission inet n - n - - smtpd";
|
|
description = "Extra lines to append to the generated master.cf file.";
|
|
};
|
|
|
|
enableHeaderChecks = mkOption {
|
|
type = types.bool;
|
|
default = false;
|
|
example = true;
|
|
description = "Whether to enable postfix header checks";
|
|
};
|
|
|
|
headerChecks = mkOption {
|
|
type = types.listOf (types.submodule headerCheckOptions);
|
|
default = [];
|
|
example = [ { pattern = "/^X-Spam-Flag:/"; action = "REDIRECT spam@example.com"; } ];
|
|
description = "Postfix header checks.";
|
|
};
|
|
|
|
extraHeaderChecks = mkOption {
|
|
type = types.lines;
|
|
default = "";
|
|
example = "/^X-Spam-Flag:/ REDIRECT spam@example.com";
|
|
description = "Extra lines to /etc/postfix/header_checks file.";
|
|
};
|
|
|
|
aliasFiles = mkOption {
|
|
type = types.attrsOf types.path;
|
|
default = {};
|
|
description = "Aliases' tables to be compiled and placed into /var/lib/postfix/conf.";
|
|
};
|
|
|
|
mapFiles = mkOption {
|
|
type = types.attrsOf types.path;
|
|
default = {};
|
|
description = "Maps to be compiled and placed into /var/lib/postfix/conf.";
|
|
};
|
|
|
|
};
|
|
|
|
};
|
|
|
|
|
|
###### implementation
|
|
|
|
config = mkIf config.services.postfix.enable (mkMerge [
|
|
{
|
|
|
|
environment = {
|
|
etc = singleton
|
|
{ source = "/var/lib/postfix/conf";
|
|
target = "postfix";
|
|
};
|
|
|
|
# This makes comfortable for root to run 'postqueue' for example.
|
|
systemPackages = [ pkgs.postfix ];
|
|
};
|
|
|
|
services.mail.sendmailSetuidWrapper = mkIf config.services.postfix.setSendmail {
|
|
program = "sendmail";
|
|
source = "${pkgs.postfix}/bin/sendmail";
|
|
group = setgidGroup;
|
|
setuid = false;
|
|
setgid = true;
|
|
};
|
|
|
|
users.extraUsers = optional (user == "postfix")
|
|
{ name = "postfix";
|
|
description = "Postfix mail server user";
|
|
uid = config.ids.uids.postfix;
|
|
group = group;
|
|
};
|
|
|
|
users.extraGroups =
|
|
optional (group == "postfix")
|
|
{ name = group;
|
|
gid = config.ids.gids.postfix;
|
|
}
|
|
++ optional (setgidGroup == "postdrop")
|
|
{ name = setgidGroup;
|
|
gid = config.ids.gids.postdrop;
|
|
};
|
|
|
|
systemd.services.postfix =
|
|
{ description = "Postfix mail server";
|
|
|
|
wantedBy = [ "multi-user.target" ];
|
|
after = [ "network.target" ];
|
|
path = [ pkgs.postfix ];
|
|
|
|
serviceConfig = {
|
|
Type = "forking";
|
|
Restart = "always";
|
|
PIDFile = "/var/lib/postfix/queue/pid/master.pid";
|
|
ExecStart = "${pkgs.postfix}/bin/postfix start";
|
|
ExecStop = "${pkgs.postfix}/bin/postfix stop";
|
|
ExecReload = "${pkgs.postfix}/bin/postfix reload";
|
|
};
|
|
|
|
preStart = ''
|
|
# Backwards compatibility
|
|
if [ ! -d /var/lib/postfix ] && [ -d /var/postfix ]; then
|
|
mkdir -p /var/lib
|
|
mv /var/postfix /var/lib/postfix
|
|
fi
|
|
|
|
# All permissions set according ${pkgs.postfix}/etc/postfix/postfix-files script
|
|
mkdir -p /var/lib/postfix /var/lib/postfix/queue/{pid,public,maildrop}
|
|
chmod 0755 /var/lib/postfix
|
|
chown root:root /var/lib/postfix
|
|
|
|
rm -rf /var/lib/postfix/conf
|
|
mkdir -p /var/lib/postfix/conf
|
|
chmod 0755 /var/lib/postfix/conf
|
|
ln -sf ${pkgs.postfix}/etc/postfix/postfix-files /var/lib/postfix/conf/postfix-files
|
|
ln -sf ${mainCfFile} /var/lib/postfix/conf/main.cf
|
|
ln -sf ${masterCfFile} /var/lib/postfix/conf/master.cf
|
|
|
|
${concatStringsSep "\n" (mapAttrsToList (to: from: ''
|
|
ln -sf ${from} /var/lib/postfix/conf/${to}
|
|
${pkgs.postfix}/bin/postalias /var/lib/postfix/conf/${to}
|
|
'') cfg.aliasFiles)}
|
|
${concatStringsSep "\n" (mapAttrsToList (to: from: ''
|
|
ln -sf ${from} /var/lib/postfix/conf/${to}
|
|
${pkgs.postfix}/bin/postmap /var/lib/postfix/conf/${to}
|
|
'') cfg.mapFiles)}
|
|
|
|
mkdir -p /var/spool/mail
|
|
chown root:root /var/spool/mail
|
|
chmod a+rwxt /var/spool/mail
|
|
ln -sf /var/spool/mail /var/
|
|
|
|
#Finally delegate to postfix checking remain directories in /var/lib/postfix and set permissions on them
|
|
${pkgs.postfix}/bin/postfix set-permissions config_directory=/var/lib/postfix/conf
|
|
'';
|
|
};
|
|
|
|
services.postfix.masterConfig = {
|
|
smtp_inet = {
|
|
name = "smtp";
|
|
type = "inet";
|
|
private = false;
|
|
command = "smtpd";
|
|
};
|
|
pickup = {
|
|
private = false;
|
|
wakeup = 60;
|
|
maxproc = 1;
|
|
};
|
|
cleanup = {
|
|
private = false;
|
|
maxproc = 0;
|
|
};
|
|
qmgr = {
|
|
private = false;
|
|
wakeup = 300;
|
|
maxproc = 1;
|
|
};
|
|
tlsmgr = {
|
|
wakeup = 1000;
|
|
wakeupUnusedComponent = false;
|
|
maxproc = 1;
|
|
};
|
|
rewrite = {
|
|
command = "trivial-rewrite";
|
|
};
|
|
bounce = {
|
|
maxproc = 0;
|
|
};
|
|
defer = {
|
|
maxproc = 0;
|
|
command = "bounce";
|
|
};
|
|
trace = {
|
|
maxproc = 0;
|
|
command = "bounce";
|
|
};
|
|
verify = {
|
|
maxproc = 1;
|
|
};
|
|
flush = {
|
|
private = false;
|
|
wakeup = 1000;
|
|
wakeupUnusedComponent = false;
|
|
maxproc = 0;
|
|
};
|
|
proxymap = {
|
|
command = "proxymap";
|
|
};
|
|
proxywrite = {
|
|
maxproc = 1;
|
|
command = "proxymap";
|
|
};
|
|
showq = {
|
|
private = false;
|
|
};
|
|
error = {};
|
|
retry = {
|
|
command = "error";
|
|
};
|
|
discard = {};
|
|
local = {
|
|
privileged = true;
|
|
};
|
|
virtual = {
|
|
privileged = true;
|
|
};
|
|
lmtp = {
|
|
};
|
|
anvil = {
|
|
maxproc = 1;
|
|
};
|
|
scache = {
|
|
maxproc = 1;
|
|
};
|
|
} // optionalAttrs cfg.enableSubmission {
|
|
submission = {
|
|
type = "inet";
|
|
private = false;
|
|
command = "smtpd";
|
|
args = let
|
|
mkKeyVal = opt: val: [ "-o" (opt + "=" + val) ];
|
|
in concatLists (mapAttrsToList mkKeyVal cfg.submissionOptions);
|
|
};
|
|
} // optionalAttrs cfg.enableSmtp {
|
|
smtp = {};
|
|
relay = {
|
|
command = "smtp";
|
|
args = [ "-o" "smtp_fallback_relay=" ];
|
|
};
|
|
};
|
|
}
|
|
|
|
(mkIf haveAliases {
|
|
services.postfix.aliasFiles."aliases" = aliasesFile;
|
|
})
|
|
(mkIf haveTransport {
|
|
services.postfix.mapFiles."transport" = transportFile;
|
|
})
|
|
(mkIf haveVirtual {
|
|
services.postfix.mapFiles."virtual" = virtualFile;
|
|
})
|
|
(mkIf cfg.enableHeaderChecks {
|
|
services.postfix.mapFiles."header_checks" = headerChecksFile;
|
|
})
|
|
(mkIf (cfg.dnsBlacklists != []) {
|
|
services.postfix.mapFiles."client_access" = checkClientAccessFile;
|
|
})
|
|
]);
|
|
}
|