From 632195921e4c69f3ba4d50a49f0192de16cf576c Mon Sep 17 00:00:00 2001 From: lassulus Date: Tue, 3 Oct 2017 23:53:09 +0200 Subject: l ejabberd: copy tv's stuff --- lass/3modules/ejabberd/config.nix | 218 +++++++++++++++++++++---------------- lass/3modules/ejabberd/default.nix | 41 +++++-- 2 files changed, 161 insertions(+), 98 deletions(-) (limited to 'lass/3modules') diff --git a/lass/3modules/ejabberd/config.nix b/lass/3modules/ejabberd/config.nix index b1fca08d3..68bcfa340 100644 --- a/lass/3modules/ejabberd/config.nix +++ b/lass/3modules/ejabberd/config.nix @@ -1,93 +1,129 @@ -{ config, ... }: with import ; let - cfg = config.lass.ejabberd; +with import ; +{ config, ... }: let - # XXX this is a placeholder that happens to work the default strings. - toErlang = builtins.toJSON; -in toFile "ejabberd.conf" '' - {loglevel, 3}. - {hosts, ${toErlang cfg.hosts}}. - {listen, - [ - {5222, ejabberd_c2s, [ - starttls, - {certfile, ${toErlang cfg.certfile.path}}, - {access, c2s}, - {shaper, c2s_shaper}, - {max_stanza_size, 65536} - ]}, - {5269, ejabberd_s2s_in, [ - {shaper, s2s_shaper}, - {max_stanza_size, 131072} - ]}, - {5280, ejabberd_http, [ - captcha, - http_bind, - http_poll, - web_admin - ]} - ]}. - {s2s_use_starttls, required}. - {s2s_certfile, ${toErlang cfg.s2s_certfile.path}}. - {auth_method, internal}. - {shaper, normal, {maxrate, 1000}}. - {shaper, fast, {maxrate, 50000}}. - {max_fsm_queue, 1000}. - {acl, local, {user_regexp, ""}}. - {access, max_user_sessions, [{10, all}]}. - {access, max_user_offline_messages, [{5000, admin}, {100, all}]}. - {access, local, [{allow, local}]}. - {access, c2s, [{deny, blocked}, - {allow, all}]}. - {access, c2s_shaper, [{none, admin}, - {normal, all}]}. - {access, s2s_shaper, [{fast, all}]}. - {access, announce, [{allow, admin}]}. - {access, configure, [{allow, admin}]}. - {access, muc_admin, [{allow, admin}]}. - {access, muc_create, [{allow, local}]}. - {access, muc, [{allow, all}]}. - {access, pubsub_createnode, [{allow, local}]}. - {access, register, [{allow, local}]}. - {language, "en"}. - {modules, - [ - {mod_adhoc, []}, - {mod_announce, [{access, announce}]}, - {mod_blocking,[]}, - {mod_caps, []}, - {mod_configure,[]}, - {mod_disco, []}, - {mod_irc, []}, - {mod_http_bind, []}, - {mod_last, []}, - {mod_muc, [ - {access, muc}, - {access_create, muc_create}, - {access_persistent, muc_create}, - {access_admin, muc_admin} - ]}, - {mod_offline, [{access_max_user_messages, max_user_offline_messages}]}, - {mod_ping, []}, - {mod_privacy, []}, - {mod_private, []}, - {mod_pubsub, [ - {access_createnode, pubsub_createnode}, - {ignore_pep_from_offline, true}, - {last_item_cache, false}, - {plugins, ["flat", "hometree", "pep"]} - ]}, - {mod_register, [ - {welcome_message, {"Welcome!", - "Hi.\nWelcome to this XMPP server."}}, - {ip_access, [{allow, "127.0.0.0/8"}, - {allow, "0.0.0.0/0"}]}, - {access, register} - ]}, - {mod_roster, []}, - {mod_shared_roster,[]}, - {mod_stats, []}, - {mod_time, []}, - {mod_vcard, []}, - {mod_version, []} - ]}. + # See https://github.com/processone/ejabberd/blob/master/ejabberd.yml.example + + ciphers = concatStringsSep ":" [ + "ECDHE-ECDSA-AES256-GCM-SHA384" + "ECDHE-RSA-AES256-GCM-SHA384" + "ECDHE-ECDSA-CHACHA20-POLY1305" + "ECDHE-RSA-CHACHA20-POLY1305" + "ECDHE-ECDSA-AES128-GCM-SHA256" + "ECDHE-RSA-AES128-GCM-SHA256" + "ECDHE-ECDSA-AES256-SHA384" + "ECDHE-RSA-AES256-SHA384" + "ECDHE-ECDSA-AES128-SHA256" + "ECDHE-RSA-AES128-SHA256" + ]; + + protocol_options = [ + "no_sslv2" + "no_sslv3" + "no_tlsv1" + "no_tlsv1_10" + ]; + +in /* yaml */ '' + + access_rules: + announce: + - allow: admin + local: + - allow: local + configure: + - allow: admin + register: + - allow + s2s: + - allow + trusted_network: + - allow: loopback + + acl: + local: + user_regexp: "" + loopback: + ip: + - "127.0.0.0/8" + - "::1/128" + - "::FFFF:127.0.0.1/128" + + hosts: ${toJSON config.hosts} + + language: "en" + + listen: + - + port: 5222 + ip: "::" + module: ejabberd_c2s + shaper: c2s_shaper + certfile: ${toJSON config.certfile.path} + ciphers: ${toJSON ciphers} + dhfile: ${toJSON config.dhfile.path} + protocol_options: ${toJSON protocol_options} + starttls: true + starttls_required: true + tls: false + tls_compression: false + max_stanza_size: 65536 + - + port: 5269 + ip: "::" + module: ejabberd_s2s_in + shaper: s2s_shaper + max_stanza_size: 131072 + + loglevel: 4 + + modules: + mod_adhoc: {} + mod_admin_extra: {} + mod_announce: + access: announce + mod_caps: {} + mod_carboncopy: {} + mod_client_state: {} + mod_configure: {} + mod_disco: {} + mod_echo: {} + mod_irc: {} + mod_bosh: {} + mod_last: {} + mod_offline: + access_max_user_messages: max_user_offline_messages + mod_ping: {} + mod_privacy: {} + mod_private: {} + mod_register: + access_from: deny + access: register + ip_access: trusted_network + registration_watchers: ${toJSON config.registration_watchers} + mod_roster: {} + mod_shared_roster: {} + mod_stats: {} + mod_time: {} + mod_vcard: + search: false + mod_version: {} + mod_http_api: {} + + s2s_access: s2s + s2s_certfile: ${toJSON config.s2s_certfile.path} + s2s_ciphers: ${toJSON ciphers} + s2s_dhfile: ${toJSON config.dhfile.path} + s2s_protocol_options: ${toJSON protocol_options} + s2s_tls_compression: false + s2s_use_starttls: required + + shaper_rules: + max_user_offline_messages: + - 5000: admin + - 100 + max_user_sessions: 10 + c2s_shaper: + - none: admin + - normal + s2s_shaper: fast '' diff --git a/lass/3modules/ejabberd/default.nix b/lass/3modules/ejabberd/default.nix index e2fba5ff5..4838a9093 100644 --- a/lass/3modules/ejabberd/default.nix +++ b/lass/3modules/ejabberd/default.nix @@ -1,5 +1,16 @@ { config, lib, pkgs, ... }@args: with import ; let cfg = config.lass.ejabberd; + + gen-dhparam = pkgs.writeDash "gen-dhparam" '' + set -efu + path=$1 + bits=2048 + # TODO regenerate dhfile after some time? + if ! test -e "$path"; then + ${pkgs.openssl}/bin/openssl dhparam "$bits" > "$path" + fi + ''; + in { options.lass.ejabberd = { enable = mkEnableOption "lass.ejabberd"; @@ -11,20 +22,36 @@ in { source-path = "/var/lib/acme/lassul.us/full.pem"; }; }; + dhfile = mkOption { + type = types.secret-file; + default = { + path = "${cfg.user.home}/dhparams.pem"; + owner = cfg.user; + source-path = "/dev/null"; + }; + }; hosts = mkOption { type = with types; listOf str; }; pkgs.ejabberdctl = mkOption { type = types.package; default = pkgs.writeDashBin "ejabberdctl" '' - set -efu - export SPOOLDIR=${shell.escape cfg.user.home} - export EJABBERD_CONFIG_PATH=${shell.escape (import ./config.nix args)} exec ${pkgs.ejabberd}/bin/ejabberdctl \ + --config ${toFile "ejabberd.yaml" (import ./config.nix { + inherit pkgs; + config = cfg; + })} \ --logs ${shell.escape cfg.user.home} \ + --spool ${shell.escape cfg.user.home} \ "$@" ''; }; + registration_watchers = mkOption { + type = types.listOf types.str; + default = [ + config.krebs.users.tv.mail + ]; + }; s2s_certfile = mkOption { type = types.secret-file; default = cfg.certfile; @@ -50,12 +77,12 @@ in { requires = [ "secret.service" ]; after = [ "network.target" "secret.service" ]; serviceConfig = { - Type = "oneshot"; - RemainAfterExit = "yes"; - PermissionsStartOnly = "true"; + ExecStartPre = "${gen-dhparam} ${cfg.dhfile.path}"; + ExecStart = "${cfg.pkgs.ejabberdctl}/bin/ejabberdctl foreground"; + PermissionsStartOnly = true; SyslogIdentifier = "ejabberd"; User = cfg.user.name; - ExecStart = "${cfg.pkgs.ejabberdctl}/bin/ejabberdctl start"; + TimeoutStartSec = 60; }; }; -- cgit v1.2.3