84 lines
1.9 KiB
Nix
84 lines
1.9 KiB
Nix
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{ pkgs, config, ... }:
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with pkgs;
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with pkgs.lib;
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let
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cfg = config.services.opensmtpd;
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conf = writeText "smtpd.conf" cfg.serverConfiguration;
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args = concatStringsSep " " cfg.extraServerArgs;
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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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extraServerArgs = mkOption {
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type = types.listOf types.string;
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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.string;
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default = "";
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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. If this option
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is left empty, the OpenSMTPD server will not start.
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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 config.services.opensmtpd.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 = {
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wantedBy = [ "multi-user.target" ];
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wants = [ "network.target" ];
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after = [ "network.target" ];
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preStart = "mkdir -p /var/spool";
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serviceConfig.ExecStart = "${opensmtpd}/sbin/smtpd -d -f ${conf} ${args}";
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};
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};
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}
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