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1c71216a05
stockholm/modules/tv/ejabberd.nix
tv 1c71216a05 tv ejabberd: add option certFile
2015-06-24 18:38:44 +02:00

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{ config, lib, pkgs, ... }:
with lib;
let
inherit (pkgs) ejabberd writeScript writeScriptBin utillinux;
inherit (lib) makeSearchPath;
cfg = config.services.ejabberd-cd;
# XXX this is a placeholder that happens to work the default strings.
toErlang = builtins.toJSON;
in
{
####### interface
options = {
services.ejabberd-cd = {
enable = mkOption {
default = false;
description = "Whether to enable ejabberd server";
};
certFile = mkOption {
# TODO if it's types.path then it gets copied to /nix/store with
# bad unsafe permissions...
type = types.string;
default = "/etc/ejabberd/ejabberd.pem";
description = ''
TODO
'';
};
config = mkOption {
type = types.string;
default = "";
description = ''
TODO
'';
};
user = mkOption {
type = types.string;
default = "ejabberd";
description = ''
TODO
'';
};
group = mkOption {
type = types.string;
default = "ejabberd";
description = ''
TODO
'';
};
# spoolDir = mkOption {
# default = "/var/lib/ejabberd";
# description = "Location of the spooldir of ejabberd";
# };
# logsDir = mkOption {
# default = "/var/log/ejabberd";
# description = "Location of the logfile directory of ejabberd";
# };
# confDir = mkOption {
# default = "/var/ejabberd";
# description = "Location of the config directory of ejabberd";
# };
# virtualHosts = mkOption {
# default = "\"localhost\"";
# description = "Virtualhosts that ejabberd should host. Hostnames are surrounded with doublequotes and separated by commas";
# };
# loadDumps = mkOption {
# default = [];
# description = "Configuration dump that should be loaded on the first startup";
# example = literalExample "[ ./myejabberd.dump ]";
# };
# config
};
};
####### implementation
config =
let
my-ejabberdctl = writeScriptBin "ejabberdctl" ''
#! /bin/sh
set -euf
exec env \
SPOOLDIR=/var/ejabberd \
EJABBERD_CONFIG_PATH=/etc/ejabberd.cfg \
${ejabberd}/bin/ejabberdctl \
--logs /var/ejabberd \
"$@"
'';
in
mkIf cfg.enable {
#environment.systemPackages = [ pkgs.ejabberd ];
environment = {
etc."ejabberd.cfg".text = ''
%%%
%%% ejabberd configuration file
%%%
%%%'
%%% The parameters used in this configuration file are explained in more detail
%%% in the ejabberd Installation and Operation Guide.
%%% Please consult the Guide in case of doubts, it is included with
%%% your copy of ejabberd, and is also available online at
%%% http://www.process-one.net/en/ejabberd/docs/
%%% This configuration file contains Erlang terms.
%%% In case you want to understand the syntax, here are the concepts:
%%%
%%% - The character to comment a line is %
%%%
%%% - Each term ends in a dot, for example:
%%% override_global.
%%%
%%% - A tuple has a fixed definition, its elements are
%%% enclosed in {}, and separated with commas:
%%% {loglevel, 4}.
%%%
%%% - A list can have as many elements as you want,
%%% and is enclosed in [], for example:
%%% [http_poll, web_admin, tls]
%%%
%%% - A keyword of ejabberd is a word in lowercase.
%%% Strings are enclosed in "" and can contain spaces, dots, ...
%%% {language, "en"}.
%%% {ldap_rootdn, "dc=example,dc=com"}.
%%%
%%% - This term includes a tuple, a keyword, a list, and two strings:
%%% {hosts, ["jabber.example.net", "im.example.com"]}.
%%%
%%%. =======================
%%%' OVERRIDE STORED OPTIONS
%%
%% Override the old values stored in the database.
%%
%%
%% Override global options (shared by all ejabberd nodes in a cluster).
%%
%%override_global.
%%
%% Override local options (specific for this particular ejabberd node).
%%
%%override_local.
%%
%% Remove the Access Control Lists before new ones are added.
%%
%%override_acls.
%%%. =========
%%%' DEBUGGING
%%
%% loglevel: Verbosity of log files generated by ejabberd.
%% 0: No ejabberd log at all (not recommended)
%% 1: Critical
%% 2: Error
%% 3: Warning
%% 4: Info
%% 5: Debug
%%
{loglevel, 3}.
%%
%% watchdog_admins: Only useful for developers: if an ejabberd process
%% consumes a lot of memory, send live notifications to these XMPP
%% accounts.
%%
%%{watchdog_admins, ["bob@example.com"]}.
%%%. ================
%%%' SERVED HOSTNAMES
%%
%% hosts: Domains served by ejabberd.
%% You can define one or several, for example:
%% {hosts, ["example.net", "example.com", "example.org"]}.
%%
{hosts, ["jabber.viljetic.de"]}.
%%
%% route_subdomains: Delegate subdomains to other XMPP servers.
%% For example, if this ejabberd serves example.org and you want
%% to allow communication with an XMPP server called im.example.org.
%%
%%{route_subdomains, s2s}.
%%%. ===============
%%%' LISTENING PORTS
%%
%% listen: The ports ejabberd will listen on, which service each is handled
%% by and what options to start it with.
%%
{listen,
[
{5222, ejabberd_c2s, [
%%
%% If TLS is compiled in and you installed a SSL
%% certificate, specify the full path to the
%% file and uncomment this line:
%%
starttls,
{certfile, ${toErlang cfg.certFile}},
{access, c2s},
{shaper, c2s_shaper},
{max_stanza_size, 65536}
]},
{5269, ejabberd_s2s_in, [
{shaper, s2s_shaper},
{max_stanza_size, 131072}
]},
%%
%% ejabberd_service: Interact with external components (transports, ...)
%%
%%{8888, ejabberd_service, [
%% {access, all},
%% {shaper_rule, fast},
%% {ip, {127, 0, 0, 1}},
%% {hosts, ["icq.example.org", "sms.example.org"],
%% [{password, "secret"}]
%% }
%% ]},
%%
%% ejabberd_stun: Handles STUN Binding requests
%%
%%{{3478, udp}, ejabberd_stun, []},
{5280, ejabberd_http, [
%%{request_handlers,
%% [
%% {["pub", "archive"], mod_http_fileserver}
%% ]},
captcha,
http_bind,
http_poll,
%%register,
web_admin
]}
]}.
%%
%% s2s_use_starttls: Enable STARTTLS + Dialback for S2S connections.
%% Allowed values are: false optional required required_trusted
%% You must specify a certificate file.
%%
{s2s_use_starttls, required}.
%%
%% s2s_certfile: Specify a certificate file.
%%
{s2s_certfile, ${toErlang cfg.certFile}}.
%%
%% domain_certfile: Specify a different certificate for each served hostname.
%%
%%{domain_certfile, "example.org", "/path/to/example_org.pem"}.
%%{domain_certfile, "example.com", "/path/to/example_com.pem"}.
%%
%% S2S whitelist or blacklist
%%
%% Default s2s policy for undefined hosts.
%%
%%{s2s_default_policy, allow}.
%%
%% Allow or deny communication with specific servers.
%%
%%{{s2s_host, "goodhost.org"}, allow}.
%%{{s2s_host, "badhost.org"}, deny}.
%%
%% Outgoing S2S options
%%
%% Preferred address families (which to try first) and connect timeout
%% in milliseconds.
%%
%%{outgoing_s2s_options, [ipv4, ipv6], 10000}.
%%%. ==============
%%%' AUTHENTICATION
%%
%% auth_method: Method used to authenticate the users.
%% The default method is the internal.
%% If you want to use a different method,
%% comment this line and enable the correct ones.
%%
{auth_method, internal}.
%%
%% Store the plain passwords or hashed for SCRAM:
%%{auth_password_format, plain}.
%%{auth_password_format, scram}.
%%
%% Define the FQDN if ejabberd doesn't detect it:
%%{fqdn, "server3.example.com"}.
%%
%% Authentication using external script
%% Make sure the script is executable by ejabberd.
%%
%%{auth_method, external}.
%{extauth_program, "$ {ejabberd-auth}"}.
%%
%% Authentication using ODBC
%% Remember to setup a database in the next section.
%%
%%{auth_method, odbc}.
%%
%% Authentication using PAM
%%
%%{auth_method, pam}.
%%{pam_service, "pamservicename"}.
%%
%% Authentication using LDAP
%%
%%{auth_method, ldap}.
%%
%% List of LDAP servers:
%%{ldap_servers, ["localhost"]}.
%%
%% Encryption of connection to LDAP servers:
%%{ldap_encrypt, none}.
%%{ldap_encrypt, tls}.
%%
%% Port to connect to on LDAP servers:
%%{ldap_port, 389}.
%%{ldap_port, 636}.
%%
%% LDAP manager:
%%{ldap_rootdn, "dc=example,dc=com"}.
%%
%% Password of LDAP manager:
%%{ldap_password, "******"}.
%%
%% Search base of LDAP directory:
%%{ldap_base, "dc=example,dc=com"}.
%%
%% LDAP attribute that holds user ID:
%%{ldap_uids, [{"mail", "%u@mail.example.org"}]}.
%%
%% LDAP filter:
%%{ldap_filter, "(objectClass=shadowAccount)"}.
%%
%% Anonymous login support:
%% auth_method: anonymous
%% anonymous_protocol: sasl_anon | login_anon | both
%% allow_multiple_connections: true | false
%%
%%{host_config, "public.example.org", [{auth_method, anonymous},
%% {allow_multiple_connections, false},
%% {anonymous_protocol, sasl_anon}]}.
%%
%% To use both anonymous and internal authentication:
%%
%%{host_config, "public.example.org", [{auth_method, [internal, anonymous]}]}.
%%%. ==============
%%%' DATABASE SETUP
%% ejabberd by default uses the internal Mnesia database,
%% so you do not necessarily need this section.
%% This section provides configuration examples in case
%% you want to use other database backends.
%% Please consult the ejabberd Guide for details on database creation.
%%
%% MySQL server:
%%
%%{odbc_server, {mysql, "server", "database", "username", "password"}}.
%%
%% If you want to specify the port:
%%{odbc_server, {mysql, "server", 1234, "database", "username", "password"}}.
%%
%% PostgreSQL server:
%%
%%{odbc_server, {pgsql, "server", "database", "username", "password"}}.
%%
%% If you want to specify the port:
%%{odbc_server, {pgsql, "server", 1234, "database", "username", "password"}}.
%%
%% If you use PostgreSQL, have a large database, and need a
%% faster but inexact replacement for "select count(*) from users"
%%
%%{pgsql_users_number_estimate, true}.
%%
%% ODBC compatible or MSSQL server:
%%
%%{odbc_server, "DSN=ejabberd;UID=ejabberd;PWD=ejabberd"}.
%%
%% Number of connections to open to the database for each virtual host
%%
%%{odbc_pool_size, 10}.
%%
%% Interval to make a dummy SQL request to keep the connections to the
%% database alive. Specify in seconds: for example 28800 means 8 hours
%%
%%{odbc_keepalive_interval, undefined}.
%%%. ===============
%%%' TRAFFIC SHAPERS
%%
%% The "normal" shaper limits traffic speed to 1000 B/s
%%
{shaper, normal, {maxrate, 1000}}.
%%
%% The "fast" shaper limits traffic speed to 50000 B/s
%%
{shaper, fast, {maxrate, 50000}}.
%%
%% This option specifies the maximum number of elements in the queue
%% of the FSM. Refer to the documentation for details.
%%
{max_fsm_queue, 1000}.
%%%. ====================
%%%' ACCESS CONTROL LISTS
%%
%% The 'admin' ACL grants administrative privileges to XMPP accounts.
%% You can put here as many accounts as you want.
%%
%%{acl, admin, {user, "aleksey", "localhost"}}.
%%{acl, admin, {user, "ermine", "example.org"}}.
%%
%% Blocked users
%%
%%{acl, blocked, {user, "baduser", "example.org"}}.
%%{acl, blocked, {user, "test"}}.
%%
%% Local users: don't modify this line.
%%
{acl, local, {user_regexp, ""}}.
%%
%% More examples of ACLs
%%
%%{acl, jabberorg, {server, "jabber.org"}}.
%%{acl, aleksey, {user, "aleksey", "jabber.ru"}}.
%%{acl, test, {user_regexp, "^test"}}.
%%{acl, test, {user_glob, "test*"}}.
%%
%% Define specific ACLs in a virtual host.
%%
%%{host_config, "localhost",
%% [
%% {acl, admin, {user, "bob-local", "localhost"}}
%% ]
%%}.
%%%. ============
%%%' ACCESS RULES
%% Maximum number of simultaneous sessions allowed for a single user:
{access, max_user_sessions, [{10, all}]}.
%% Maximum number of offline messages that users can have:
{access, max_user_offline_messages, [{5000, admin}, {100, all}]}.
%% This rule allows access only for local users:
{access, local, [{allow, local}]}.
%% Only non-blocked users can use c2s connections:
{access, c2s, [{deny, blocked},
{allow, all}]}.
%% For C2S connections, all users except admins use the "normal" shaper
{access, c2s_shaper, [{none, admin},
{normal, all}]}.
%% All S2S connections use the "fast" shaper
{access, s2s_shaper, [{fast, all}]}.
%% Only admins can send announcement messages:
{access, announce, [{allow, admin}]}.
%% Only admins can use the configuration interface:
{access, configure, [{allow, admin}]}.
%% Admins of this server are also admins of the MUC service:
{access, muc_admin, [{allow, admin}]}.
%% Only accounts of the local ejabberd server can create rooms:
{access, muc_create, [{allow, local}]}.
%% All users are allowed to use the MUC service:
{access, muc, [{allow, all}]}.
%% Only accounts on the local ejabberd server can create Pubsub nodes:
{access, pubsub_createnode, [{allow, local}]}.
%% In-band registration allows registration of any possible username.
%% To disable in-band registration, replace 'allow' with 'deny'.
{access, register, [{allow, all}]}.
%% By default the frequency of account registrations from the same IP
%% is limited to 1 account every 10 minutes. To disable, specify: infinity
%%{registration_timeout, 600}.
%%
%% Define specific Access Rules in a virtual host.
%%
%%{host_config, "localhost",
%% [
%% {access, c2s, [{allow, admin}, {deny, all}]},
%% {access, register, [{deny, all}]}
%% ]
%%}.
%%%. ================
%%%' DEFAULT LANGUAGE
%%
%% language: Default language used for server messages.
%%
{language, "en"}.
%%
%% Set a different default language in a virtual host.
%%
%%{host_config, "localhost",
%% [{language, "ru"}]
%%}.
%%%. =======
%%%' CAPTCHA
%%
%% Full path to a script that generates the image.
%%
%%{captcha_cmd, "/lib/ejabberd/priv/bin/captcha.sh"}.
%%
%% Host for the URL and port where ejabberd listens for CAPTCHA requests.
%%
%%{captcha_host, "example.org:5280"}.
%%
%% Limit CAPTCHA calls per minute for JID/IP to avoid DoS.
%%
%%{captcha_limit, 5}.
%%%. =======
%%%' MODULES
%%
%% Modules enabled in all ejabberd virtual hosts.
%%
{modules,
[
{mod_adhoc, []},
{mod_announce, [{access, announce}]}, % recommends mod_adhoc
{mod_blocking,[]}, % requires mod_privacy
{mod_caps, []},
{mod_configure,[]}, % requires mod_adhoc
{mod_disco, []},
%%{mod_echo, [{host, "echo.localhost"}]},
{mod_irc, []},
{mod_http_bind, []},
%%{mod_http_fileserver, [
%% {docroot, "/var/www"},
%% {accesslog, "/var/log/ejabberd/access.log"}
%% ]},
{mod_last, []},
{mod_muc, [
%%{host, "conference.@HOST@"},
{access, muc},
{access_create, muc_create},
{access_persistent, muc_create},
{access_admin, muc_admin}
]},
%%{mod_muc_log,[]},
{mod_offline, [{access_max_user_messages, max_user_offline_messages}]},
{mod_ping, []},
%%{mod_pres_counter,[{count, 5}, {interval, 60}]},
{mod_privacy, []},
{mod_private, []},
%%{mod_proxy65,[]},
{mod_pubsub, [
{access_createnode, pubsub_createnode},
{ignore_pep_from_offline, true}, % reduces resource comsumption, but XEP incompliant
%%{ignore_pep_from_offline, false}, % XEP compliant, but increases resource comsumption
{last_item_cache, false},
{plugins, ["flat", "hometree", "pep"]} % pep requires mod_caps
]},
{mod_register, [
%%
%% Protect In-Band account registrations with CAPTCHA.
%%
%%{captcha_protected, true},
%%
%% Set the minimum informational entropy for passwords.
%%
%%{password_strength, 32},
%%
%% After successful registration, the user receives
%% a message with this subject and body.
%%
{welcome_message, {"Welcome!",
"Hi.\nWelcome to this XMPP server."}},
%%
%% When a user registers, send a notification to
%% these XMPP accounts.
%%
%%{registration_watchers, ["admin1@example.org"]},
%%
%% Only clients in the server machine can register accounts
%%
{ip_access, [{allow, "127.0.0.0/8"},
{deny, "0.0.0.0/0"}]},
%%
%% Local c2s or remote s2s users cannot register accounts
%%
%%{access_from, deny},
{access, register}
]},
%%{mod_register_web, [
%%
%% When a user registers, send a notification to
%% these XMPP accounts.
%%
%%{registration_watchers, ["admin1@example.org"]}
%% ]},
{mod_roster, []},
%%{mod_service_log,[]},
{mod_shared_roster,[]},
{mod_stats, []},
{mod_time, []},
{mod_vcard, []},
{mod_version, []}
]}.
%%
%% Enable modules with custom options in a specific virtual host
%%
%%{host_config, "localhost",
%% [{{add, modules},
%% [
%% {mod_echo, [{host, "mirror.localhost"}]}
%% ]
%% }
%% ]}.
%%%.
%%%'
%%% $Id$
%%% Local Variables:
%%% mode: erlang
%%% End:
%%% vim: set filetype=erlang tabstop=8 foldmarker=%%%',%%%. foldmethod=marker:
'';
# TODO properly configured wrapper
systemPackages = [ my-ejabberdctl ];
};
#exim_user = ${cfg.user}
#exim_group = ${cfg.group}
#exim_path = /var/setuid-wrappers/exim
#spool_directory = ${cfg.spoolDir}
#${cfg.config}
users.extraUsers = singleton {
name = "ejabberd";
description = "TODO";
uid = 405222;
group = "ejabberd";
home = "/var/ejabberd";
createHome = true;
};
users.extraGroups = singleton {
name = "ejabberd";
gid = 405222;
};
#security.setuidPrograms = [ "exim" ];
systemd.services.ejabberd = {
description = "ejabberd XMPP Daemon";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
reloadIfChanged = true;
serviceConfig = {
ExecStart = "${my-ejabberdctl}/bin/ejabberdctl start";
ExecStop = "${my-ejabberdctl}/bin/ejabberdctl stop";
ExecReload = "${my-ejabberdctl}/bin/ejabberdctl restart";
Type = "oneshot";
RemainAfterExit = "yes";
RestartSec = 5;
LimitNOFILE = 16000;
User = "ejabberd";
Group = "ejabberd";
};
};
systemd.services.ejabberd-prepare = {
description = "ejabberd XMPP Preparetion Service";
requiredBy = [ "ejabberd.service" ];
serviceConfig = {
Type = "oneshot";
RestartSec = 5;
ExecStart = "${writeScript "ejabberd-prepare"
''
#! /bin/sh
set -euf
chown ejabberd: /etc/nixos/secrets/ejabberd.cd.retiolum.pem
''
}";
};
};
};
#config = mkIf cfg.enable {
# environment.systemPackages = [ pkgs.ejabberd ];
# jobs.ejabberd =
# { description = "EJabberd server";
# startOn = "started network-interfaces";
# stopOn = "stopping network-interfaces";
# environment = {
# PATH = "$PATH:${pkgs.ejabberd}/sbin:${pkgs.ejabberd}/bin:${pkgs.coreutils}/bin:${pkgs.bash}/bin:${pkgs.gnused}/bin";
# };
# preStart =
# ''
# PATH="$PATH:${pkgs.ejabberd}/sbin:${pkgs.ejabberd}/bin:${pkgs.coreutils}/bin:${pkgs.bash}/bin:${pkgs.gnused}/bin";
#
# # Initialise state data
# mkdir -p ${cfg.logsDir}
# if ! test -d ${cfg.spoolDir}
# then
# initialize=1
# cp -av ${pkgs.ejabberd}/var/lib/ejabberd /var/lib
# fi
# #if ! test -d ${cfg.confDir}
# #then
# # mkdir -p ${cfg.confDir}
# # cp ${pkgs.ejabberd}/etc/ejabberd/* ${cfg.confDir}
# # sed -e 's|{hosts, \["localhost"\]}.|{hosts, \[${cfg.virtualHosts}\]}.|' ${pkgs.ejabberd}/etc/ejabberd/ejabberd.cfg > ${cfg.confDir}/ejabberd.cfg
# #fi
# mkdir -p ${cfg.confDir}
# ejabberdctl --config-dir ${cfg.confDir} --logs ${cfg.logsDir} --spool ${cfg.spoolDir} start
# ${if cfg.loadDumps == [] then "" else
# ''
# if [ "$initialize" = "1" ]
# then
# # Wait until the ejabberd server is available for use
# count=0
# while ! ejabberdctl --config-dir ${cfg.confDir} --logs ${cfg.logsDir} --spool ${cfg.spoolDir} status
# do
# if [ $count -eq 30 ]
# then
# echo "Tried 30 times, giving up..."
# exit 1
# fi
# echo "Ejabberd daemon not yet started. Waiting for 1 second..."
# count=$((count++))
# sleep 1
# done
# ${concatMapStrings (dump:
# ''
# echo "Importing dump: ${dump}"
# if [ -f ${dump} ]
# then
# ejabberdctl --config-dir ${cfg.confDir} --logs ${cfg.logsDir} --spool ${cfg.spoolDir} load ${dump}
# elif [ -d ${dump} ]
# then
# for i in ${dump}/ejabberd-dump/*
# do
# ejabberdctl --config-dir ${cfg.confDir} --logs ${cfg.logsDir} --spool ${cfg.spoolDir} load $i
# done
# fi
# '') cfg.loadDumps}
# fi
# ''}
# '';
# postStop =
# ''
# ejabberdctl --config-dir ${cfg.confDir} --logs ${cfg.logsDir} --spool ${cfg.spoolDir} stop
# '';
# };
# security.pam.services.ejabberd = {};
#};
}
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