forked from mirrors/nixpkgs
125 lines
3.1 KiB
Nix
125 lines
3.1 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.opensmtpd;
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conf = pkgs.writeText "smtpd.conf" cfg.serverConfiguration;
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args = concatStringsSep " " cfg.extraServerArgs;
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sendmail = pkgs.runCommand "opensmtpd-sendmail" {} ''
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mkdir -p $out/bin
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ln -s ${pkgs.opensmtpd}/sbin/smtpctl $out/bin/sendmail
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'';
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in {
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###### interface
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options = {
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services.opensmtpd = {
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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 enable the OpenSMTPD server.";
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};
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addSendmailToSystemPath = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Whether to add OpenSMTPD's sendmail binary to the
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system path or not.
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'';
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};
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extraServerArgs = mkOption {
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type = types.listOf types.str;
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default = [];
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example = [ "-v" "-P mta" ];
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description = ''
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Extra command line arguments provided when the smtpd process
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is started.
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'';
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};
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serverConfiguration = mkOption {
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type = types.lines;
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example = ''
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listen on lo
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accept for any deliver to lmtp localhost:24
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'';
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description = ''
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The contents of the smtpd.conf configuration file. See the
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OpenSMTPD documentation for syntax information.
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'';
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};
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procPackages = mkOption {
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type = types.listOf types.package;
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default = [];
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description = ''
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Packages to search for filters, tables, queues, and schedulers.
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Add OpenSMTPD-extras here if you want to use the filters, etc. from
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that package.
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'';
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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users.extraGroups = {
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smtpd.gid = config.ids.gids.smtpd;
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smtpq.gid = config.ids.gids.smtpq;
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};
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users.extraUsers = {
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smtpd = {
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description = "OpenSMTPD process user";
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uid = config.ids.uids.smtpd;
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group = "smtpd";
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};
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smtpq = {
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description = "OpenSMTPD queue user";
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uid = config.ids.uids.smtpq;
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group = "smtpq";
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};
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};
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systemd.services.opensmtpd = let
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procEnv = pkgs.buildEnv {
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name = "opensmtpd-procs";
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paths = [ pkgs.opensmtpd ] ++ cfg.procPackages;
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pathsToLink = [ "/libexec/opensmtpd" ];
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};
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in {
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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preStart = ''
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mkdir -p /var/spool/smtpd
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chmod 711 /var/spool/smtpd
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mkdir -p /var/spool/smtpd/offline
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chown root.smtpq /var/spool/smtpd/offline
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chmod 770 /var/spool/smtpd/offline
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mkdir -p /var/spool/smtpd/purge
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chown smtpq.root /var/spool/smtpd/purge
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chmod 700 /var/spool/smtpd/purge
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'';
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serviceConfig.ExecStart = "${pkgs.opensmtpd}/sbin/smtpd -d -f ${conf} ${args}";
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environment.OPENSMTPD_PROC_PATH = "${procEnv}/libexec/opensmtpd";
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};
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environment.systemPackages = mkIf cfg.addSendmailToSystemPath [ sendmail ];
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};
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}
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