diff options
Diffstat (limited to 'tv/3modules')
| -rw-r--r-- | tv/3modules/charybdis/config.nix | 522 | ||||
| -rw-r--r-- | tv/3modules/charybdis/default.nix | 80 | ||||
| -rw-r--r-- | tv/3modules/default.nix | 3 | ||||
| -rw-r--r-- | tv/3modules/ejabberd.nix | 165 | ||||
| -rw-r--r-- | tv/3modules/ejabberd/config.nix | 93 | ||||
| -rw-r--r-- | tv/3modules/ejabberd/default.nix | 67 | ||||
| -rw-r--r-- | tv/3modules/iptables.nix | 22 |
7 files changed, 786 insertions, 166 deletions
diff --git a/tv/3modules/charybdis/config.nix b/tv/3modules/charybdis/config.nix new file mode 100644 index 000000000..e4d754ff3 --- /dev/null +++ b/tv/3modules/charybdis/config.nix @@ -0,0 +1,522 @@ +{ config, ... }: with config.krebs.lib; let + cfg = config.tv.charybdis; +in toFile "charybdis.conf" '' + /* doc/example.conf - brief example configuration file + * + * Copyright (C) 2000-2002 Hybrid Development Team + * Copyright (C) 2002-2005 ircd-ratbox development team + * Copyright (C) 2005-2006 charybdis development team + * + * $Id: example.conf 3582 2007-11-17 21:55:48Z jilles $ + * + * See reference.conf for more information. + */ + + /* Extensions */ + #loadmodule "extensions/chm_operonly_compat.so"; + #loadmodule "extensions/chm_quietunreg_compat.so"; + #loadmodule "extensions/chm_sslonly_compat.so"; + #loadmodule "extensions/createauthonly.so"; + #loadmodule "extensions/extb_account.so"; + #loadmodule "extensions/extb_canjoin.so"; + #loadmodule "extensions/extb_channel.so"; + #loadmodule "extensions/extb_extgecos.so"; + #loadmodule "extensions/extb_oper.so"; + #loadmodule "extensions/extb_realname.so"; + #loadmodule "extensions/extb_server.so"; + #loadmodule "extensions/extb_ssl.so"; + #loadmodule "extensions/hurt.so"; + #loadmodule "extensions/m_findforwards.so"; + #loadmodule "extensions/m_identify.so"; + #loadmodule "extensions/no_oper_invis.so"; + #loadmodule "extensions/sno_farconnect.so"; + #loadmodule "extensions/sno_globalkline.so"; + #loadmodule "extensions/sno_globaloper.so"; + #loadmodule "extensions/sno_whois.so"; + loadmodule "extensions/override.so"; + + /* + * IP cloaking extensions: use ip_cloaking_4.0 + * if you're linking 3.2 and later, otherwise use + * ip_cloaking.so, for compatibility with older 3.x + * releases. + */ + + #loadmodule "extensions/ip_cloaking_4.0.so"; + #loadmodule "extensions/ip_cloaking.so"; + + serverinfo { + name = ${toJSON (head config.krebs.build.host.nets.retiolum.aliases)}; + sid = "4z3"; + description = "miep!"; + network_name = "irc.retiolum"; + #network_desc = "Retiolum IRC Network"; + hub = yes; + + /* On multi-homed hosts you may need the following. These define + * the addresses we connect from to other servers. */ + /* for IPv4 */ + vhost = ${concatMapStringsSep ", " toJSON config.krebs.build.host.nets.retiolum.addrs4}; + /* for IPv6 */ + vhost6 = ${concatMapStringsSep ", " toJSON config.krebs.build.host.nets.retiolum.addrs6}; + + /* ssl_private_key: our ssl private key */ + ssl_private_key = ${toJSON cfg.ssl_private_key.path}; + + /* ssl_cert: certificate for our ssl server */ + ssl_cert = ${toJSON cfg.ssl_cert}; + + /* ssl_dh_params: DH parameters, generate with openssl dhparam -out dh.pem 1024 */ + ssl_dh_params = ${toJSON cfg.ssl_dh_params.path}; + + /* ssld_count: number of ssld processes you want to start, if you + * have a really busy server, using N-1 where N is the number of + * cpu/cpu cores you have might be useful. A number greater than one + * can also be useful in case of bugs in ssld and because ssld needs + * two file descriptors per SSL connection. + */ + ssld_count = 1; + + /* default max clients: the default maximum number of clients + * allowed to connect. This can be changed once ircd has started by + * issuing: + * /quote set maxclients <limit> + */ + default_max_clients = 1024; + + /* nicklen: enforced nickname length (for this server only; must not + * be longer than the maximum length set while building). + */ + nicklen = 30; + }; + + admin { + name = "tv"; + description = "peer"; + }; + + log { + fname_userlog = "/dev/stderr"; + fname_fuserlog = "/dev/stderr"; + fname_operlog = "/dev/stderr"; + fname_foperlog = "/dev/stderr"; + fname_serverlog = "/dev/stderr"; + fname_klinelog = "/dev/stderr"; + fname_killlog = "/dev/stderr"; + fname_operspylog = "/dev/stderr"; + fname_ioerrorlog = "/dev/stderr"; + }; + + /* class {} blocks MUST be specified before anything that uses them. That + * means they must be defined before auth {} and before connect {}. + */ + + class "krebs" { + ping_time = 2 minutes; + number_per_ident = 10; + number_per_ip = 2048; + number_per_ip_global = 4096; + cidr_ipv4_bitlen = 24; + cidr_ipv6_bitlen = 64; + number_per_cidr = 65536; + max_number = 3000; + sendq = 1 megabyte; + }; + + class "users" { + ping_time = 2 minutes; + number_per_ident = 10; + number_per_ip = 1024; + number_per_ip_global = 4096; + cidr_ipv4_bitlen = 24; + cidr_ipv6_bitlen = 64; + number_per_cidr = 65536; + max_number = 3000; + sendq = 400 kbytes; + }; + + class "opers" { + ping_time = 5 minutes; + number_per_ip = 10; + max_number = 1000; + sendq = 1 megabyte; + }; + + class "server" { + ping_time = 5 minutes; + connectfreq = 5 minutes; + max_number = 1; + sendq = 4 megabytes; + }; + + listen { + /* defer_accept: wait for clients to send IRC handshake data before + * accepting them. if you intend to use software which depends on the + * server replying first, such as BOPM, you should disable this feature. + * otherwise, you probably want to leave it on. + */ + defer_accept = yes; + + /* If you want to listen on a specific IP only, specify host. + * host definitions apply only to the following port line. + */ + # XXX This is stupid because only one host is allowed[?] + #host = ''${concatMapStringsSep ", " toJSON ( + # config.krebs.build.host.nets.retiolum.addrs + #)}; + port = ${toString cfg.port}; + sslport = ${toString cfg.sslport}; + }; + + /* auth {}: allow users to connect to the ircd (OLD I:) + * auth {} blocks MUST be specified in order of precedence. The first one + * that matches a user will be used. So place spoofs first, then specials, + * then general access, then restricted. + */ + auth { + /* user: the user@host allowed to connect. Multiple IPv4/IPv6 user + * lines are permitted per auth block. This is matched against the + * hostname and IP address (using :: shortening for IPv6 and + * prepending a 0 if it starts with a colon) and can also use CIDR + * masks. + */ + user = "*@10.243.0.0/16"; + user = "*@42::/16"; + + /* password: an optional password that is required to use this block. + * By default this is not encrypted, specify the flag "encrypted" in + * flags = ...; below if it is. + */ + #password = "letmein"; + + /* spoof: fake the users user@host to be be this. You may either + * specify a host or a user@host to spoof to. This is free-form, + * just do everyone a favour and dont abuse it. (OLD I: = flag) + */ + #spoof = "I.still.hate.packets"; + + /* Possible flags in auth: + * + * encrypted | password is encrypted with mkpasswd + * spoof_notice | give a notice when spoofing hosts + * exceed_limit (old > flag) | allow user to exceed class user limits + * kline_exempt (old ^ flag) | exempt this user from k/g/xlines&dnsbls + * dnsbl_exempt | exempt this user from dnsbls + * spambot_exempt | exempt this user from spambot checks + * shide_exempt | exempt this user from serverhiding + * jupe_exempt | exempt this user from generating + * warnings joining juped channels + * resv_exempt | exempt this user from resvs + * flood_exempt | exempt this user from flood limits + * USE WITH CAUTION. + * no_tilde (old - flag) | don't prefix ~ to username if no ident + * need_ident (old + flag) | require ident for user in this class + * need_ssl | require SSL/TLS for user in this class + * need_sasl | require SASL id for user in this class + */ + flags = kline_exempt, exceed_limit, flood_exempt; + + /* class: the class the user is placed in */ + class = "krebs"; + }; + + auth { + user = "*@*"; + class = "users"; + }; + + /* privset {} blocks MUST be specified before anything that uses them. That + * means they must be defined before operator {}. + */ + privset "local_op" { + privs = oper:local_kill, oper:operwall; + }; + + privset "server_bot" { + extends = "local_op"; + privs = oper:kline, oper:remoteban, snomask:nick_changes; + }; + + privset "global_op" { + extends = "local_op"; + privs = oper:global_kill, oper:routing, oper:kline, oper:unkline, oper:xline, + oper:resv, oper:mass_notice, oper:remoteban; + }; + + privset "admin" { + extends = "global_op"; + privs = oper:admin, oper:die, oper:rehash, oper:spy, oper:override; + }; + + privset "aids" { + privs = oper:override, oper:rehash; + }; + + operator "aids" { + user = "*@10.243.*"; + privset = "aids"; + flags = ~encrypted; + password = "balls"; + }; + + operator "god" { + /* name: the name of the oper must go above */ + + /* user: the user@host required for this operator. CIDR *is* + * supported now. auth{} spoofs work here, other spoofs do not. + * multiple user="" lines are supported. + */ + user = "*god@127.0.0.1"; + + /* password: the password required to oper. Unless ~encrypted is + * contained in flags = ...; this will need to be encrypted using + * mkpasswd, MD5 is supported + */ + password = "5"; + + /* rsa key: the public key for this oper when using Challenge. + * A password should not be defined when this is used, see + * doc/challenge.txt for more information. + */ + #rsa_public_key_file = "/usr/local/ircd/etc/oper.pub"; + + /* umodes: the specific umodes this oper gets when they oper. + * If this is specified an oper will not be given oper_umodes + * These are described above oper_only_umodes in general {}; + */ + #umodes = locops, servnotice, operwall, wallop; + + /* fingerprint: if specified, the oper's client certificate + * fingerprint will be checked against the specified fingerprint + * below. + */ + #fingerprint = "c77106576abf7f9f90cca0f63874a60f2e40a64b"; + + /* snomask: specific server notice mask on oper up. + * If this is specified an oper will not be given oper_snomask. + */ + snomask = "+Zbfkrsuy"; + + /* flags: misc options for the operator. You may prefix an option + * with ~ to disable it, e.g. ~encrypted. + * + * Default flags are encrypted. + * + * Available options: + * + * encrypted: the password above is encrypted [DEFAULT] + * need_ssl: must be using SSL/TLS to oper up + */ + flags = encrypted; + + /* privset: privileges set to grant */ + privset = "admin"; + }; + + service { + name = "services.int"; + }; + + cluster { + name = "*"; + flags = kline, tkline, unkline, xline, txline, unxline, resv, tresv, unresv; + }; + + shared { + oper = "*@*", "*"; + flags = all, rehash; + }; + + /* exempt {}: IPs that are exempt from Dlines and rejectcache. (OLD d:) */ + exempt { + ip = "127.0.0.1"; + }; + + channel { + use_invex = yes; + use_except = yes; + use_forward = yes; + use_knock = yes; + knock_delay = 5 minutes; + knock_delay_channel = 1 minute; + max_chans_per_user = 15; + max_bans = 100; + max_bans_large = 500; + default_split_user_count = 0; + default_split_server_count = 0; + no_create_on_split = no; + no_join_on_split = no; + burst_topicwho = yes; + kick_on_split_riding = no; + only_ascii_channels = no; + resv_forcepart = yes; + channel_target_change = yes; + disable_local_channels = no; + }; + + serverhide { + flatten_links = yes; + links_delay = 5 minutes; + hidden = no; + disable_hidden = no; + }; + + /* These are the blacklist settings. + * You can have multiple combinations of host and rejection reasons. + * They are used in pairs of one host/rejection reason. + * + * These settings should be adequate for most networks, and are (presently) + * required for use on StaticBox. + * + * Word to the wise: Do not use blacklists like SPEWS for blocking IRC + * connections. + * + * As of charybdis 2.2, you can do some keyword substitution on the rejection + * reason. The available keyword substitutions are: + * + * ''${ip} - the user's IP + * ''${host} - the user's canonical hostname + * ''${dnsbl-host} - the dnsbl hostname the lookup was done against + * ''${nick} - the user's nickname + * ''${network-name} - the name of the network + * + * As of charybdis 3.4, a type parameter is supported, which specifies the + * address families the blacklist supports. IPv4 and IPv6 are supported. + * IPv4 is currently the default as few blacklists support IPv6 operation + * as of this writing. + * + * Note: AHBL (the providers of the below *.ahbl.org BLs) request that they be + * contacted, via email, at admins@2mbit.com before using these BLs. + * See <http://www.ahbl.org/services.php> for more information. + */ + blacklist { + host = "rbl.efnetrbl.org"; + type = ipv4; + reject_reason = "''${nick}, your IP (''${ip}) is listed in EFnet's RBL. For assistance, see http://efnetrbl.org/?i=''${ip}"; + + # host = "ircbl.ahbl.org"; + # type = ipv4; + # reject_reason = "''${nick}, your IP (''${ip}) is listed in ''${dnsbl-host} for having an open proxy. In order to protect ''${network-name} from abuse, we are not allowing connections with open proxies to connect."; + # + # host = "tor.ahbl.org"; + # type = ipv4; + # reject_reason = "''${nick}, your IP (''${ip}) is listed as a TOR exit node. In order to protect ''${network-name} from tor-based abuse, we are not allowing TOR exit nodes to connect to our network."; + # + /* Example of a blacklist that supports both IPv4 and IPv6 */ + # host = "foobl.blacklist.invalid"; + # type = ipv4, ipv6; + # reject_reason = "''${nick}, your IP (''${ip}) is listed in ''${dnsbl-host} for some reason. In order to protect ''${network-name} from abuse, we are not allowing connections listed in ''${dnsbl-host} to connect"; + }; + + alias "NickServ" { + target = "NickServ"; + }; + + alias "ChanServ" { + target = "ChanServ"; + }; + + alias "OperServ" { + target = "OperServ"; + }; + + alias "MemoServ" { + target = "MemoServ"; + }; + + alias "NS" { + target = "NickServ"; + }; + + alias "CS" { + target = "ChanServ"; + }; + + alias "OS" { + target = "OperServ"; + }; + + alias "MS" { + target = "MemoServ"; + }; + + general { + hide_error_messages = opers; + hide_spoof_ips = yes; + + /* + * default_umodes: umodes to enable on connect. + * If you have enabled the new ip_cloaking_4.0 module, and you want + * to make use of it, add +x to this option, i.e.: + * default_umodes = "+ix"; + * + * If you have enabled the old ip_cloaking module, and you want + * to make use of it, add +h to this option, i.e.: + * default_umodes = "+ih"; + */ + default_umodes = "+i"; + + default_operstring = "is an IRC Operator"; + default_adminstring = "is a Server Administrator"; + servicestring = "is a Network Service"; + disable_fake_channels = no; + tkline_expire_notices = no; + default_floodcount = 1000; + failed_oper_notice = yes; + dots_in_ident=2; + min_nonwildcard = 4; + min_nonwildcard_simple = 3; + max_accept = 100; + max_monitor = 100; + anti_nick_flood = yes; + max_nick_time = 20 seconds; + max_nick_changes = 5; + anti_spam_exit_message_time = 5 minutes; + ts_warn_delta = 30 seconds; + ts_max_delta = 5 minutes; + client_exit = yes; + collision_fnc = yes; + resv_fnc = yes; + global_snotices = yes; + dline_with_reason = yes; + kline_delay = 0 seconds; + kline_with_reason = yes; + kline_reason = "K-Lined"; + identify_service = "NickServ@services.int"; + identify_command = "IDENTIFY"; + non_redundant_klines = yes; + warn_no_nline = yes; + use_propagated_bans = yes; + stats_e_disabled = no; + stats_c_oper_only=no; + stats_h_oper_only=no; + client_flood_max_lines = 16000; + client_flood_burst_rate = 32000; + client_flood_burst_max = 32000; + client_flood_message_num = 32000; + client_flood_message_time = 32000; + use_whois_actually = no; + oper_only_umodes = operwall, locops, servnotice; + oper_umodes = locops, servnotice, operwall, wallop; + oper_snomask = "+s"; + burst_away = yes; + nick_delay = 0 seconds; # 15 minutes if you want to enable this + reject_ban_time = 1 minute; + reject_after_count = 3; + reject_duration = 5 minutes; + throttle_duration = 60; + throttle_count = 4; + max_ratelimit_tokens = 30; + away_interval = 30; + disable_auth = yes; + }; + + modules { + path = "modules"; + path = "modules/autoload"; + }; + + exempt { + ip = "10.243.0.0/16"; + }; +'' diff --git a/tv/3modules/charybdis/default.nix b/tv/3modules/charybdis/default.nix new file mode 100644 index 000000000..3af971cd4 --- /dev/null +++ b/tv/3modules/charybdis/default.nix @@ -0,0 +1,80 @@ +{ config, lib, pkgs, ... }@args: with config.krebs.lib; let + cfg = config.tv.charybdis; +in { + options.tv.charybdis = { + enable = mkEnableOption "tv.charybdis"; + motd = mkOption { + type = types.str; + default = "/join #retiolum"; + }; + port = mkOption { + type = types.int; + default = 6667; + }; + ssl_cert = mkOption { + type = types.path; + }; + ssl_dh_params = mkOption { + type = types.secret-file; + default = { + path = "${cfg.user.home}/dh.pem"; + owner = cfg.user; + source-path = toString <secrets> + "/charybdis.dh.pem"; + }; + }; + ssl_private_key = mkOption { + type = types.secret-file; + default = { + path = "${cfg.user.home}/ssl.key.pem"; + owner = cfg.user; + source-path = toString <secrets> + "/charybdis.key.pem"; + }; + }; + sslport = mkOption { + type = types.int; + default = 6697; + }; + user = mkOption { + type = types.user; + default = { + name = "charybdis"; + home = "/var/lib/charybdis"; + }; + }; + }; + config = lib.mkIf cfg.enable { + + krebs.secret.files.charybdis-ssl_dh_params = cfg.ssl_dh_params; + krebs.secret.files.charybdis-ssl_private_key = cfg.ssl_private_key; + + environment.etc."charybdis-ircd.motd".text = cfg.motd; + + systemd.services.charybdis = { + wantedBy = [ "multi-user.target" ]; + requires = [ "secret.service" ]; + after = [ "network.target" "secret.service" ]; + environment = { + BANDB_DBPATH = "${cfg.user.home}/ban.db"; + }; + serviceConfig = { + SyslogIdentifier = "charybdis"; + User = cfg.user.name; + PrivateTmp = true; + Restart = "always"; + ExecStartPre = + "${pkgs.coreutils}/bin/ln -s /etc/charybdis-ircd.motd /tmp/ircd.motd"; + ExecStart = toString [ + "${pkgs.charybdis}/bin/charybdis-ircd" + "-configfile ${import ./config.nix args}" + "-foreground" + "-logfile /dev/stderr" + ]; + }; + }; + + users.users.${cfg.user.name} = { + inherit (cfg.user) home name uid; + createHome = true; + }; + }; +} diff --git a/tv/3modules/default.nix b/tv/3modules/default.nix index f7889b245..0b0bccab9 100644 --- a/tv/3modules/default.nix +++ b/tv/3modules/default.nix @@ -2,7 +2,8 @@ _: { imports = [ - ./ejabberd.nix + ./charybdis + ./ejabberd ./iptables.nix ]; } diff --git a/tv/3modules/ejabberd.nix b/tv/3modules/ejabberd.nix deleted file mode 100644 index c9d9b48b1..000000000 --- a/tv/3modules/ejabberd.nix +++ /dev/null @@ -1,165 +0,0 @@ -{ config, lib, pkgs, ... }: - -with config.krebs.lib; -let - cfg = config.tv.ejabberd; - - out = { - options.tv.ejabberd = api; - config = lib.mkIf cfg.enable imp; - }; - - api = { - enable = mkEnableOption "tv.ejabberd"; - - certFile = mkOption { - type = types.str; - default = toString <secrets/ejabberd.pem>; - }; - - hosts = mkOption { - type = with types; listOf str; - }; - }; - - imp = { - environment.systemPackages = [ my-ejabberdctl ]; - - systemd.services.ejabberd = { - wantedBy = [ "multi-user.target" ]; - after = [ "network.target" ]; - serviceConfig = { - Type = "oneshot"; - RemainAfterExit = "yes"; - PermissionsStartOnly = "true"; - SyslogIdentifier = "ejabberd"; - User = user.name; - ExecStartPre = pkgs.writeScript "ejabberd-start" '' - #! /bin/sh - install -o ${user.name} -m 0400 ${cfg.certFile} /etc/ejabberd/ejabberd.pem - ''; - ExecStart = pkgs.writeScript "ejabberd-service" '' - #! /bin/sh - ${my-ejabberdctl}/bin/ejabberdctl start - ''; - }; - }; - - users.extraUsers = singleton { - inherit (user) name uid; - home = "/var/ejabberd"; - createHome = true; - }; - }; - - user = rec { - name = "ejabberd"; - uid = genid name; - }; - - my-ejabberdctl = pkgs.writeScriptBin "ejabberdctl" '' - #! /bin/sh - set -euf - exec env \ - SPOOLDIR=/var/ejabberd \ - EJABBERD_CONFIG_PATH=${config-file} \ - ${pkgs.ejabberd}/bin/ejabberdctl \ - --logs /var/ejabberd \ - "$@" - ''; - - config-file = pkgs.writeText "ejabberd.cfg" '' - {loglevel, 3}. - {hosts, ${toErlang cfg.hosts}}. - {listen, - [ - {5222, ejabberd_c2s, [ - starttls, - {certfile, "/etc/ejabberd/ejabberd.pem"}, - {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, "/etc/ejabberd/ejabberd.pem"}. - {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, all}]}. - {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"}, - {deny, "0.0.0.0/0"}]}, - {access, register} - ]}, - {mod_roster, []}, - {mod_shared_roster,[]}, - {mod_stats, []}, - {mod_time, []}, - {mod_vcard, []}, - {mod_version, []} - ]}. - ''; - - - # XXX this is a placeholder that happens to work the default strings. - toErlang = builtins.toJSON; - -in -out diff --git a/tv/3modules/ejabberd/config.nix b/tv/3modules/ejabberd/config.nix new file mode 100644 index 000000000..49bded855 --- /dev/null +++ b/tv/3modules/ejabberd/config.nix @@ -0,0 +1,93 @@ +{ config, ... }: with config.krebs.lib; let + cfg = config.tv.ejabberd; + + # 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, all}]}. + {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"}, + {deny, "0.0.0.0/0"}]}, + {access, register} + ]}, + {mod_roster, []}, + {mod_shared_roster,[]}, + {mod_stats, []}, + {mod_time, []}, + {mod_vcard, []}, + {mod_version, []} + ]}. +'' diff --git a/tv/3modules/ejabberd/default.nix b/tv/3modules/ejabberd/default.nix new file mode 100644 index 000000000..95ea24be1 --- /dev/null +++ b/tv/3modules/ejabberd/default.nix @@ -0,0 +1,67 @@ +{ config, lib, pkgs, ... }@args: with config.krebs.lib; let + cfg = config.tv.ejabberd; +in { + options.tv.ejabberd = { + enable = mkEnableOption "tv.ejabberd"; + certfile = mkOption { + type = types.secret-file; + default = { + path = "${cfg.user.home}/ejabberd.pem"; + owner = cfg.user; + source-path = toString <secrets> + "/ejabberd.pem"; + }; + }; + 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 \ + --logs ${shell.escape cfg.user.home} \ + "$@" + ''; + }; + s2s_certfile = mkOption { + type = types.secret-file; + default = cfg.certfile; + }; + user = mkOption { + type = types.user; + default = { + name = "ejabberd"; + home = "/var/ejabberd"; + }; + }; + }; + config = lib.mkIf cfg.enable { + environment.systemPackages = [ cfg.pkgs.ejabberdctl ]; + + krebs.secret.files = { + ejabberd-certfile = cfg.certfile; + ejabberd-s2s_certfile = cfg.s2s_certfile; + }; + + systemd.services.ejabberd = { + wantedBy = [ "multi-user.target" ]; + requires = [ "secret.service" ]; + after = [ "network.target" "secret.service" ]; + serviceConfig = { + Type = "oneshot"; + RemainAfterExit = "yes"; + PermissionsStartOnly = "true"; + SyslogIdentifier = "ejabberd"; + User = cfg.user.name; + ExecStart = "${cfg.pkgs.ejabberdctl}/bin/ejabberdctl start"; + }; + }; + + users.users.${cfg.user.name} = { + inherit (cfg.user) home name uid; + createHome = true; + }; + }; +} diff --git a/tv/3modules/iptables.nix b/tv/3modules/iptables.nix index c0fd7ec12..c0e71f24d 100644 --- a/tv/3modules/iptables.nix +++ b/tv/3modules/iptables.nix @@ -26,6 +26,21 @@ let type = with types; listOf (either int str); default = []; }; + + extra = { + nat.POSTROUTING = mkOption { + type = with types; listOf str; + default = []; + }; + filter.FORWARD = mkOption { + type = with types; listOf str; + default = []; + }; + filter.INPUT = mkOption { + type = with types; listOf str; + default = []; + }; + }; }; imp = { @@ -57,6 +72,11 @@ let }; }; + formatTable = table: + (concatStringsSep "\n" + (mapAttrsToList + (chain: concatMapStringsSep "\n" (rule: "-A ${chain} ${rule}")) + table)); rules = iptables-version: let accept-echo-request = { @@ -79,6 +99,7 @@ let ${concatMapStringsSep "\n" (rule: "-A OUTPUT ${rule}") [ "-o lo -p tcp -m tcp --dport 11423 -j REDIRECT --to-ports 22" ]} + ${formatTable cfg.extra.n |