supernets/unrealircd
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unrealircd/include/config.h
acidvegas f8a6fedfcf
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2020-03-29 05:16:53 -04:00

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/*
* Unreal Internet Relay Chat Daemon, include/config.h
* Copyright (C) 1990 Jarkko Oikarinen
*
* $Id$
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 1, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __config_include__
#define __config_include__
#include "setup.h"
/* IMPORTANT:
* Under normal conditions, you should not have to edit this file. Run
* the ./Config script in the root directory instead!
*
* Windows is not a normal condition, edit this file if you use it. :-)
*/
/* Additional flags to give FreeBSD's malloc, only play with this if you
* know what you're doing.
*/
#define MALLOC_FLAGS_EXTRA ""
/* I/O Engine: determine what method to use.
* So, the way this works is we determine using the preprocessor
* what polling backend to use for the eventloop. We prefer epoll,
* followed by kqueue, followed by poll, and then finally select.
* Kind of ugly, but it gets the job done. You can also fiddle with
* this to determine what backend is used.
*/
#ifndef _WIN32
# ifdef HAVE_EPOLL
# define BACKEND_EPOLL
# else
# ifdef HAVE_KQUEUE
# define BACKEND_KQUEUE
# else
# ifdef HAVE_POLL
# define BACKEND_POLL
# else
# define BACKEND_SELECT
# endif
# endif
# endif
#else
# define BACKEND_SELECT
#endif
/* Define the ircd module suffix, should be .so on UNIX, and .dll on Windows. */
#ifndef _WIN32
# define MODULE_SUFFIX ".so"
#else
# define MODULE_SUFFIX ".dll"
#endif
/* Permit remote /rehash */
#define REMOTE_REHASH
/*
** Freelinks garbage collector -Stskeeps
**
** GARBAGE_COLLECT_EVERY - how many seconds between every garbage collect
** HOW_MANY_FREELINKS_ALLOWED - how many freelinks allowed
*/
#ifndef GARBAGE_COLLECT_EVERY
#define GARBAGE_COLLECT_EVERY 600 /* default: 600 (10 mins) */
#endif
#define HOW_MANY_FREELINKS_ALLOWED 200 /* default: 200 */
/*
* read/write are restarted after signals defining this 1, gets
* siginterrupt call compiled, which attempts to remove this
* behaviour (apollo sr10.1/bsd4.3 needs this)
*/
#ifdef APOLLO
#define RESTARTING_SYSTEMCALLS
#endif
/* DEBUGMODE: This should only be used when tracing a problem. It creates
* an insane amount of log output which can be very useful for debugging.
* You should *NEVER* enable this setting on production servers.
*/
/* #undef DEBUGMODE */
/* Similarly, DEBUG_IOENGINE can be used to debug the I/O engine. */
/* #undef DEBUG_IOENGINE */
/*
* Full pathnames and defaults of irc system's support files.
*/
#define CPATH CONFDIR"/unrealircd.conf" /* server configuration file */
#define MPATH CONFDIR"/ircd.motd" /* server MOTD file */
#define SMPATH CONFDIR"/ircd.smotd" /* short MOTD file */
#define RPATH CONFDIR"/ircd.rules" /* server rules file */
#define OPATH CONFDIR"/oper.motd" /* Operators MOTD file */
#define LPATH LOGDIR"/debug.log" /* Where the debug file lives, if DEBUGMODE */
#define VPATH CONFDIR"/ircd.svsmotd" /* Services MOTD append. */
#define BPATH CONFDIR"/bot.motd" /* Bot MOTD */
#define IRCDTUNE PERMDATADIR"/ircd.tune" /* tuning .. */
/** FAKELAG_CONFIGURABLE makes it possible to make certain classes exempted
* from 'fake lag' (that is, the artificial delay that is added by the ircd
* to prevent flooding, which causes the messages/commands of the user to
* slow down). Naturally, incorrect use of this feature can cause SEVERE
* issues, in fact it can easily bring your whole IRCd down if one of the
* users with class::options::nofakelag does a good flood at full speed.
* Hence, this is disabled by default, and you need to explicitly enable it
* here IF YOU KNOW WHAT YOU ARE DOING. People complaining their ircd
* ""crashed"" because of this setting will be shot. </DISCLAIMER>
* Common usage for this are: a trusted bot ran by an IRCOp, that you only
* want to give "flood access" and nothing else, and other such things.
*/
#define FAKELAG_CONFIGURABLE
/* The default value for class::sendq */
#define DEFAULT_SENDQ 3000000
/* The default value for class::recvq */
#define DEFAULT_RECVQ 8000
/* You can define the nickname of NickServ here (usually "NickServ").
* This is ONLY used for the ""infamous IDENTIFY feature"", which is:
* whenever a user connects with a server password but there isn't
* a server password set, the password is sent to NickServ in an
* 'IDENTIFY <pass>' message.
*/
#define NickServ "NickServ"
/* STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP */
/* You shouldn't change anything below this line, unless absolutely needed. */
/*
* Maximum number of network connections your server will allow.
* On *NIX this is configured via ./Config so don't set it here.
* The setting below is the Windows (default) setting and isn't actually
* the maximum number of network connections but the highest FD (File
* Descriptor) that we can deal with.
*
* 2004-10-13: 1024 -> 4096
*/
#ifdef _WIN32
#define MAXCONNECTIONS 10240
#else
/* Non-Windows: */
#if (!defined(MAXCONNECTIONS_REQUEST) || (MAXCONNECTIONS_REQUEST < 1)) && \
(defined(HAVE_POLL) || defined(HAVE_EPOLL) || defined(HAVE_KQUEUE))
/* Have poll/epoll/kqueue and either no --with-maxconnections or
* --with-maxconnections=0, either of which indicates 'automatic' mode.
* At the time of writing we will try a limit of 8192.
* It will automatically be lowered at boottime if we can only use
* 4096, 2048 or 1024. No problem.
*/
#define MAXCONNECTIONS 8192
#elif defined(MAXCONNECTIONS_REQUEST) && (MAXCONNECTIONS_REQUEST >= 1)
/* --with-maxconnections=something */
#define MAXCONNECTIONS MAXCONNECTIONS_REQUEST
#else
/* Automatic mode, but we only have select(). Bummer... */
#define MAXCONNECTIONS 1024
#endif
#endif
/* Number of file descriptors reserved for non-incoming-clients.
* One of which may be used by auth, the rest are really reserved.
* They can be used for outgoing server links, listeners, logging, etc.
*/
#if MAXCONNECTIONS > 1024
#define CLIENTS_RESERVE 8
#else
#define CLIENTS_RESERVE 4
#endif
/*
* this defines the length of the nickname history. each time a user changes
* nickname or signs off, their old nickname is added to the top of the list.
* The following sizes are recommended:
* 8MB or less core memory : 500 (at least 1/4 of max users)
* 8MB-16MB core memory : 500-750 (1/4 -> 1/2 of max users)
* 16MB-32MB core memory : 750-1000 (1/2 -> 3/4 of max users)
* 32MB or more core memory : 1000+ (> 3/4 of max users)
* where max users is the expected maximum number of users.
* (100 nicks/users ~ 25k)
* NOTE: this is directly related to the amount of memory ircd will use whilst
* resident and running - it hardly ever gets swapped to disk! You can
* ignore these recommendations- they only are meant to serve as a guide
* NOTE: But the *Minimum* ammount should be 100, in order to make nick
* chasing possible for mode and kick.
*/
#ifndef NICKNAMEHISTORYLENGTH
#define NICKNAMEHISTORYLENGTH 2000
#endif
/*
* Maximum delay for socket loop (in miliseconds, so 1000 = 1 second).
* This means any other events and such may be delayed up to this value
* when there is no socket data waiting for us (no clients sending anything).
* Was 2000ms in 3.2.x, 1000ms for versions below 3.4-alpha4.
* 500ms in UnrealIRCd 4 (?)
* 250ms in UnrealIRCd 5.
*/
#define SOCKETLOOP_MAX_DELAY 250
/*
* Max time from the nickname change that still causes KILL
* automaticly to switch for the current nick of that user. (seconds)
*/
#define KILLCHASETIMELIMIT 30
/* Detect slow spamfilters? This requires a little more cpu time when processing
* any spamfilter (like on text/connect/..) but will save you from slowing down
* your IRCd to a near-halt (well, in most cases.. there are still cases like when
* it goes into a loop that it will still stall completely... forever..).
* This is kinda experimental, and requires getrusage.
*/
#ifndef _WIN32
#define SPAMFILTER_DETECTSLOW
#endif
/* Maximum number of ModData objects that may be attached to an object */
/* UnrealIRCd 4.0.0 - 4.0.13: 8, 8, 4, 4
* UnrealIRCd 4.0.14+ : 12, 8, 4, 4
* UnrealIRCd 5.0.0 : 12, 8, 8, 4, 4, 500, 500
*/
#define MODDATA_MAX_CLIENT 12
#define MODDATA_MAX_LOCAL_CLIENT 8
#define MODDATA_MAX_CHANNEL 8
#define MODDATA_MAX_MEMBER 4
#define MODDATA_MAX_MEMBERSHIP 4
#define MODDATA_MAX_LOCAL_VARIABLE 500
#define MODDATA_MAX_GLOBAL_VARIABLE 500
/* If EXPERIMENTAL is #define'd then all users will receive a notice about
* this when they connect, along with a pointer to bugs.unrealircd.org where
* they can report any problems. This is mainly to help UnrealIRCd development.
*/
#undef EXPERIMENTAL
/* Default SSL/TLS cipherlist (except for TLS1.3, see further down).
* This can be changed via set::ssl::options::ciphers in the config file.
*/
#define UNREALIRCD_DEFAULT_CIPHERS "TLS13-CHACHA20-POLY1305-SHA256 TLS13-AES-256-GCM-SHA384 TLS13-AES-128-GCM-SHA256 EECDH+CHACHA20 EECDH+AESGCM EECDH+AES AES256-GCM-SHA384 AES128-GCM-SHA256 AES256-SHA256 AES128-SHA256 AES256-SHA AES128-SHA"
/* Default TLS 1.3 ciphersuites.
* This can be changed via set::ssl::options::ciphersuites in the config file.
*/
#define UNREALIRCD_DEFAULT_CIPHERSUITES "TLS_CHACHA20_POLY1305_SHA256:TLS_AES_256_GCM_SHA384:TLS_AES_128_GCM_SHA256:TLS_AES_128_CCM_8_SHA256:TLS_AES_128_CCM_SHA256"
/* Default SSL/TLS curves for ECDH(E)
* This can be changed via set::ssl::options::ecdh-curve in the config file.
* NOTE: This requires openssl 1.0.2 or newer, otherwise these defaults
* are not applied, due to the missing openssl API call.
*/
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
#define UNREALIRCD_DEFAULT_ECDH_CURVES "X25519:secp521r1:secp384r1:prime256v1"
#else
#define UNREALIRCD_DEFAULT_ECDH_CURVES "secp521r1:secp384r1:prime256v1"
#endif
/* ------------------------- END CONFIGURATION SECTION -------------------- */
#define MOTD MPATH
#define RULES RPATH
#define MYNAME BINDIR "/unrealircd"
#define CONFIGFILE CPATH
#define IRCD_PIDFILE PIDFILE
#ifdef DEBUGMODE
#define Debug(x) debug x
#define LOGFILE LPATH
#else
#define Debug(x) ;
#define LOGFILE "/dev/null"
#endif
#if defined(DEFAULT_RECVQ)
# if (DEFAULT_RECVQ < 512)
error DEFAULT_RECVQ needs redefining.
# endif
#else
error DEFAULT_RECVQ undefined
#endif
#if (NICKNAMEHISTORYLENGTH < 100)
# define NICKNAMEHISTORYLENGTH 100
#endif
#if defined(__GNUC__) && defined(__GNUC_MINOR__) && \
((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) && \
!defined(__cplusplus)
#define GCC_TYPECHECKING
/* copied from cURL: */
#define _UNREAL_WARNING(id, message) \
static void __attribute__((__warning__(message))) \
__attribute__((__unused__)) __attribute__((__noinline__)) \
id(void) { __asm__(""); }
#define _UNREAL_ERROR(id, message) \
static void __attribute__((__error__(message))) \
__attribute__((__unused__)) __attribute__((__noinline__)) \
id(void) { __asm__(""); }
#endif
#ifndef __has_feature
#define __has_feature(x) 0 // Compatibility with non-clang compilers.
#endif
#ifndef __has_extension
#define __has_extension __has_feature // Compatibility with pre-3.0 compilers.
#endif
#endif /* __config_include__ */
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