diff options
Diffstat (limited to 'modules/charybdis')
| -rw-r--r-- | modules/charybdis/config.nix | 519 | ||||
| -rw-r--r-- | modules/charybdis/default.nix | 80 |
2 files changed, 599 insertions, 0 deletions
diff --git a/modules/charybdis/config.nix b/modules/charybdis/config.nix new file mode 100644 index 0000000..a157ac2 --- /dev/null +++ b/modules/charybdis/config.nix @@ -0,0 +1,519 @@ +{ config, ... }: let + cfg = config.tv.charybdis; +in builtins.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 = ${builtins.toJSON (builtins.head config.krebs.build.host.nets.retiolum.aliases)}; + sid = "4z3"; + description = "miep!"; + network_name = "irc.r"; + #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 = ${builtins.toJSON config.krebs.build.host.nets.retiolum.ip4.addr}; + /* for IPv6 */ + vhost6 = ${builtins.toJSON config.krebs.build.host.nets.retiolum.ip6.addr}; + + /* ssl_private_key: our ssl private key */ + ssl_private_key = "/tmp/credentials/ssl_private_key"; + + /* ssl_cert: certificate for our ssl server */ + ssl_cert = ${builtins.toJSON cfg.ssl_cert}; + + /* ssl_dh_params: DH parameters, generate with openssl dhparam -out dh.pem 1024 */ + ssl_dh_params = "/tmp/credentials/ssl_dh_params"; + + /* 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. + */ + #host = ${builtins.toJSON config.krebs.build.host.nets.retiolum.ip4.addr}; + 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 = 1; + throttle_count = 1000; + 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/modules/charybdis/default.nix b/modules/charybdis/default.nix new file mode 100644 index 0000000..337ea13 --- /dev/null +++ b/modules/charybdis/default.nix @@ -0,0 +1,80 @@ +{ config, lib, mylib, pkgs, ... }@args: let + cfg = config.tv.charybdis; +in { + options.tv.charybdis = { + enable = lib.mkEnableOption "tv.charybdis"; + motd = lib.mkOption { + type = lib.types.str; + default = "/join #retiolum"; + }; + port = lib.mkOption { + type = lib.types.int; + default = 6667; + }; + ssl_cert = lib.mkOption { + type = lib.types.path; + }; + ssl_dh_params = lib.mkOption { + type = mylib.types.absolute-pathname; + default = "${config.krebs.secret.directory}/charybdis.dh.pem"; + }; + ssl_private_key = lib.mkOption { + type = mylib.types.absolute-pathname; + default = "${config.krebs.secret.directory}/charybdis.key.pem"; + }; + sslport = lib.mkOption { + type = lib.types.int; + default = 6697; + }; + user = lib.mkOption { + type = mylib.types.user; + default = { + name = "charybdis"; + home = "/var/lib/charybdis"; + }; + }; + }; + config = lib.mkIf cfg.enable { + + environment.etc."charybdis-ircd.motd".text = cfg.motd; + + krebs.systemd.services.charybdis = {}; + + systemd.services.charybdis = { + wantedBy = [ "multi-user.target" ]; + after = [ "network-online.target" ]; + environment = { + BANDB_DBPATH = "${cfg.user.home}/ban.db"; + }; + serviceConfig = { + SyslogIdentifier = "charybdis"; + User = cfg.user.name; + PrivateTmp = true; + Restart = "always"; + ExecStartPre = [ + "${pkgs.coreutils}/bin/ln -s /etc/charybdis-ircd.motd /tmp/ircd.motd" + "${pkgs.coreutils}/bin/ln -s \${CREDENTIALS_DIRECTORY} /tmp/credentials" + ]; + ExecStart = toString [ + "${pkgs.charybdis}/bin/charybdis" + "-configfile ${import ./config.nix args}" + "-foreground" + "-logfile /dev/stderr" + ]; + LoadCredential = [ + "ssl_dh_params:${cfg.ssl_dh_params}" + "ssl_private_key:${cfg.ssl_private_key}" + ]; + }; + }; + + users.users.${cfg.user.name} = { + inherit (cfg.user) home name uid; + createHome = true; + group = cfg.user.name; + isSystemUser = true; + }; + + users.groups.${cfg.user.name} = {}; + }; +} |