2009-05-28 12:43:54 +00:00
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# /etc files related to networking, such as /etc/services.
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2021-12-05 19:40:24 +00:00
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{ config, lib, options, pkgs, ... }:
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2009-05-28 12:43:54 +00:00
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2014-04-14 14:26:48 +00:00
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with lib;
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2012-10-19 19:41:01 +00:00
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2009-05-28 12:43:54 +00:00
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let
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2012-10-19 19:41:01 +00:00
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2011-11-09 21:02:01 +00:00
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cfg = config.networking;
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2021-12-05 19:40:24 +00:00
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opt = options.networking;
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2018-09-23 15:55:39 +00:00
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localhostMultiple = any (elem "localhost") (attrValues (removeAttrs cfg.hosts [ "127.0.0.1" "::1" ]));
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2013-09-04 11:05:09 +00:00
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in
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{
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2019-12-10 01:51:19 +00:00
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imports = [
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(mkRemovedOptionModule [ "networking" "hostConf" ] "Use environment.etc.\"host.conf\" instead.")
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];
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2013-09-04 11:05:09 +00:00
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2009-05-28 12:43:54 +00:00
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options = {
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2017-07-08 18:13:16 +00:00
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networking.hosts = lib.mkOption {
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2018-09-23 15:55:39 +00:00
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type = types.attrsOf (types.listOf types.str);
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2021-10-03 16:06:03 +00:00
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example = literalExpression ''
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2017-07-08 18:13:16 +00:00
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{
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2017-07-08 21:28:05 +00:00
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"127.0.0.1" = [ "foo.bar.baz" ];
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2017-07-08 18:13:16 +00:00
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"192.168.0.2" = [ "fileserver.local" "nameserver.local" ];
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};
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'';
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2022-07-28 21:19:15 +00:00
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description = lib.mdDoc ''
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2017-07-08 21:28:05 +00:00
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Locally defined maps of hostnames to IP addresses.
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2017-07-08 18:13:16 +00:00
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'';
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};
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2017-07-03 22:58:48 +00:00
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2020-03-07 00:53:31 +00:00
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networking.hostFiles = lib.mkOption {
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type = types.listOf types.path;
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2022-08-20 20:27:20 +00:00
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defaultText = literalMD "Hosts from {option}`networking.hosts` and {option}`networking.extraHosts`";
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2021-10-03 16:06:03 +00:00
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example = literalExpression ''[ "''${pkgs.my-blocklist-package}/share/my-blocklist/hosts" ]'';
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2022-07-28 21:19:15 +00:00
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description = lib.mdDoc ''
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Files that should be concatenated together to form {file}`/etc/hosts`.
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2020-03-07 00:53:31 +00:00
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'';
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};
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2014-05-05 18:58:51 +00:00
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networking.extraHosts = lib.mkOption {
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2013-10-30 16:37:45 +00:00
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type = types.lines;
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2009-05-28 12:43:54 +00:00
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default = "";
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example = "192.168.0.1 lanlocalhost";
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2022-07-28 21:19:15 +00:00
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description = lib.mdDoc ''
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Additional verbatim entries to be appended to {file}`/etc/hosts`.
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For adding hosts from derivation results, use {option}`networking.hostFiles` instead.
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2009-05-28 12:43:54 +00:00
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'';
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};
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2011-09-14 18:20:50 +00:00
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2016-12-14 22:49:14 +00:00
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networking.timeServers = mkOption {
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default = [
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"0.nixos.pool.ntp.org"
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"1.nixos.pool.ntp.org"
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"2.nixos.pool.ntp.org"
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"3.nixos.pool.ntp.org"
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];
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2021-01-20 09:54:24 +00:00
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type = types.listOf types.str;
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2022-07-28 21:19:15 +00:00
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description = lib.mdDoc ''
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2016-12-14 22:49:14 +00:00
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The set of NTP servers from which to synchronise.
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'';
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};
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2014-11-19 19:13:54 +00:00
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networking.proxy = {
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default = lib.mkOption {
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type = types.nullOr types.str;
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default = null;
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2022-07-28 21:19:15 +00:00
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description = lib.mdDoc ''
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2014-11-19 19:13:54 +00:00
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This option specifies the default value for httpProxy, httpsProxy, ftpProxy and rsyncProxy.
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'';
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example = "http://127.0.0.1:3128";
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};
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httpProxy = lib.mkOption {
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type = types.nullOr types.str;
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default = cfg.proxy.default;
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2021-12-05 19:40:24 +00:00
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defaultText = literalExpression "config.${opt.proxy.default}";
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2022-07-28 21:19:15 +00:00
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description = lib.mdDoc ''
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2014-11-19 19:13:54 +00:00
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This option specifies the http_proxy environment variable.
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'';
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example = "http://127.0.0.1:3128";
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};
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httpsProxy = lib.mkOption {
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type = types.nullOr types.str;
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default = cfg.proxy.default;
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2021-12-05 19:40:24 +00:00
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defaultText = literalExpression "config.${opt.proxy.default}";
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2022-07-28 21:19:15 +00:00
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description = lib.mdDoc ''
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2014-11-19 19:13:54 +00:00
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This option specifies the https_proxy environment variable.
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'';
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example = "http://127.0.0.1:3128";
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};
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ftpProxy = lib.mkOption {
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type = types.nullOr types.str;
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default = cfg.proxy.default;
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2021-12-05 19:40:24 +00:00
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defaultText = literalExpression "config.${opt.proxy.default}";
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2022-07-28 21:19:15 +00:00
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description = lib.mdDoc ''
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2014-11-19 19:13:54 +00:00
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This option specifies the ftp_proxy environment variable.
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'';
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example = "http://127.0.0.1:3128";
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};
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rsyncProxy = lib.mkOption {
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type = types.nullOr types.str;
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default = cfg.proxy.default;
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2021-12-05 19:40:24 +00:00
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defaultText = literalExpression "config.${opt.proxy.default}";
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2022-07-28 21:19:15 +00:00
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description = lib.mdDoc ''
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2014-11-19 19:13:54 +00:00
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This option specifies the rsync_proxy environment variable.
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'';
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example = "http://127.0.0.1:3128";
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};
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2015-12-11 08:17:06 +00:00
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allProxy = lib.mkOption {
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type = types.nullOr types.str;
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default = cfg.proxy.default;
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2021-12-05 19:40:24 +00:00
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defaultText = literalExpression "config.${opt.proxy.default}";
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2022-07-28 21:19:15 +00:00
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description = lib.mdDoc ''
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2015-12-11 08:17:06 +00:00
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This option specifies the all_proxy environment variable.
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'';
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example = "http://127.0.0.1:3128";
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};
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2014-11-19 19:13:54 +00:00
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noProxy = lib.mkOption {
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type = types.nullOr types.str;
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default = null;
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2022-07-28 21:19:15 +00:00
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description = lib.mdDoc ''
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2014-11-19 19:13:54 +00:00
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This option specifies the no_proxy environment variable.
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If a default proxy is used and noProxy is null,
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then noProxy will be set to 127.0.0.1,localhost.
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'';
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example = "127.0.0.1,localhost,.localdomain";
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};
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envVars = lib.mkOption {
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type = types.attrs;
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internal = true;
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default = {};
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2022-08-28 23:38:36 +00:00
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description = lib.mdDoc ''
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2014-11-19 19:13:54 +00:00
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Environment variables used for the network proxy.
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'';
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};
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};
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2009-05-28 12:43:54 +00:00
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};
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2013-09-04 11:05:09 +00:00
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config = {
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2009-05-28 12:43:54 +00:00
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2018-09-23 15:55:39 +00:00
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assertions = [{
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assertion = !localhostMultiple;
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message = ''
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`networking.hosts` maps "localhost" to something other than "127.0.0.1"
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or "::1". This will break some applications. Please use
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`networking.extraHosts` if you really want to add such a mapping.
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'';
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}];
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2019-12-23 14:44:14 +00:00
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# These entries are required for "hostname -f" and to resolve both the
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# hostname and FQDN correctly:
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networking.hosts = let
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hostnames = # Note: The FQDN (canonical hostname) has to come first:
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optional (cfg.hostName != "" && cfg.domain != null) "${cfg.hostName}.${cfg.domain}"
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++ optional (cfg.hostName != "") cfg.hostName; # Then the hostname (without the domain)
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in {
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"127.0.0.2" = hostnames;
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2018-09-23 15:55:39 +00:00
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} // optionalAttrs cfg.enableIPv6 {
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2019-12-23 14:44:14 +00:00
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"::1" = hostnames;
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2018-09-23 15:55:39 +00:00
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};
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2020-03-07 00:53:31 +00:00
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networking.hostFiles = let
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2019-12-23 14:44:14 +00:00
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# Note: localhostHosts has to appear first in /etc/hosts so that 127.0.0.1
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# resolves back to "localhost" (as some applications assume) instead of
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# the FQDN! By default "networking.hosts" also contains entries for the
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# FQDN so that e.g. "hostname -f" works correctly.
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localhostHosts = pkgs.writeText "localhost-hosts" ''
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127.0.0.1 localhost
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${optionalString cfg.enableIPv6 "::1 localhost"}
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'';
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2020-03-07 00:53:31 +00:00
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stringHosts =
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let
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oneToString = set: ip: ip + " " + concatStringsSep " " set.${ip} + "\n";
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allToString = set: concatMapStrings (oneToString set) (attrNames set);
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in pkgs.writeText "string-hosts" (allToString (filterAttrs (_: v: v != []) cfg.hosts));
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extraHosts = pkgs.writeText "extra-hosts" cfg.extraHosts;
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2019-12-23 14:44:14 +00:00
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in mkBefore [ localhostHosts stringHosts extraHosts ];
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2020-03-07 00:53:31 +00:00
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2013-09-04 11:05:09 +00:00
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environment.etc =
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{ # /etc/services: TCP/UDP port assignments.
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2019-08-13 21:52:01 +00:00
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services.source = pkgs.iana-etc + "/etc/services";
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2013-09-04 11:05:09 +00:00
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# /etc/protocols: IP protocol numbers.
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2019-08-13 21:52:01 +00:00
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protocols.source = pkgs.iana-etc + "/etc/protocols";
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2013-09-04 11:05:09 +00:00
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# /etc/hosts: Hostname-to-IP mappings.
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2021-11-28 00:28:33 +00:00
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hosts.source = pkgs.concatText "hosts" cfg.hostFiles;
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2014-11-23 11:04:02 +00:00
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2020-11-05 07:03:09 +00:00
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# /etc/netgroup: Network-wide groups.
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2021-01-24 09:19:10 +00:00
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netgroup.text = mkDefault "";
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2020-11-05 07:03:09 +00:00
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2016-10-03 07:17:43 +00:00
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# /etc/host.conf: resolver configuration file
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2019-11-29 11:08:34 +00:00
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"host.conf".text = ''
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multi on
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'';
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2016-10-03 07:17:43 +00:00
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2018-10-22 18:11:02 +00:00
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} // optionalAttrs (pkgs.stdenv.hostPlatform.libc == "glibc") {
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# /etc/rpc: RPC program numbers.
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2020-02-28 17:04:10 +00:00
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rpc.source = pkgs.stdenv.cc.libc.out + "/etc/rpc";
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2017-05-31 21:34:06 +00:00
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};
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2013-09-04 11:05:09 +00:00
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2014-11-19 19:13:54 +00:00
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networking.proxy.envVars =
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optionalAttrs (cfg.proxy.default != null) {
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# other options already fallback to proxy.default
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no_proxy = "127.0.0.1,localhost";
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} // optionalAttrs (cfg.proxy.httpProxy != null) {
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http_proxy = cfg.proxy.httpProxy;
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} // optionalAttrs (cfg.proxy.httpsProxy != null) {
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https_proxy = cfg.proxy.httpsProxy;
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} // optionalAttrs (cfg.proxy.rsyncProxy != null) {
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rsync_proxy = cfg.proxy.rsyncProxy;
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} // optionalAttrs (cfg.proxy.ftpProxy != null) {
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ftp_proxy = cfg.proxy.ftpProxy;
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2015-12-11 08:17:06 +00:00
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} // optionalAttrs (cfg.proxy.allProxy != null) {
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all_proxy = cfg.proxy.allProxy;
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2014-11-19 19:13:54 +00:00
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} // optionalAttrs (cfg.proxy.noProxy != null) {
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no_proxy = cfg.proxy.noProxy;
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};
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# Install the proxy environment variables
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2014-11-30 13:48:41 +00:00
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environment.sessionVariables = cfg.proxy.envVars;
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2014-11-19 19:13:54 +00:00
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2013-09-04 11:05:09 +00:00
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};
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2018-09-23 15:55:39 +00:00
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}
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