ngircd-tor/INSTALL

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ngIRCd - Next Generation IRC Server
http://ngircd.barton.de/
(c)2001-2011 Alexander Barton and Contributors.
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ngIRCd is free software and published under the
terms of the GNU General Public License.
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-- INSTALL --
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I. Upgrade Information
~~~~~~~~~~~~~~~~~~~~~~
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Differences to version 17
- Support for ZeroConf/Bonjour/Rendezvous service registration has been
removed. The configuration option "NoZeroconf" is no longer available.
Differences to version 16
- Changes to the "MotdFile" specified in ngircd.conf now require a ngircd
configuration reload to take effect (HUP signal, REHASH command).
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Differences to version 0.9.x
- The option of the configure script to enable support for Zeroconf/Bonjour/
Rendezvous/WhateverItIsNamedToday has been renamed:
--with-rendezvous -> --with-zeroconf
Differences to version 0.8.x
- The maximum length of passwords has been raised to 20 characters (instead
of 8 characters). If your passwords are longer than 8 characters then they
are cut at an other position now.
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Differences to version 0.6.x
- Some options of the configure script have been renamed:
--disable-syslog -> --without-syslog
--disable-zlib -> --without-zlib
Please call "./configure --help" to review the full list of options!
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Differences to version 0.5.x
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- Starting with version 0.6.0, other servers are identified using asynchronous
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passwords: therefore the variable "Password" in [Server]-sections has been
replaced by "MyPassword" and "PeerPassword".
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- New configuration variables, section [Global]: MaxConnections, MaxJoins
(see example configuration file "doc/sample-ngircd.conf"!).
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II. Standard Installation
~~~~~~~~~~~~~~~~~~~~~~~~~
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ngIRCd is developed for UNIX-based systems, which means that the installation
on modern UNIX-like systems that are supported by GNU autoconf and GNU
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automake ("configure") should be no problem.
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The normal installation procedure after getting (and expanding) the source
files (using a distribution archive or GIT) is as following:
1) ./autogen.sh [only necessary when using GIT]
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2) ./configure
3) make
4) make install
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(Please see details below!)
Now the newly compiled executable "ngircd" is installed in its standard
location, /usr/local/sbin/.
The next step is to configure and afterwards starting the daemon. Please
have a look at the ngircd(8) and ngircd.conf(5) manual pages for details
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and all possible options -- and don't forget to run "ngircd --configtest"
to validate your configuration file!
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If no previous version of the configuration file exists (the standard name
is /usr/local/etc/ngircd.conf), a sample configuration file containing all
possible options will be installed there. You'll find its template in the
doc/ directory: sample-ngircd.conf.
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1): "autogen.sh"
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The first step, autogen.sh, is only necessary if the configure-script isn't
already generated. This never happens in official ("stable") releases in
tar.gz-archives, but when using GIT.
This step is therefore only interesting for developers.
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autogen.sh produces the Makefile.in's, which are necessary for the configure
script itself, and some more files for make. To run autogen.sh you'll need
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GNU autoconf and GNU automake (use recent versions! autoconf 2.53 and
automake 1.6.1 are known to work).
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Again: "end users" do not need this step!
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2): "./configure"
The configure-script is used to detect local system dependencies.
In the perfect case, configure should recognise all needed libraries, header
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files and so on. If this shouldn't work, "./configure --help" shows all
possible options.
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In addition, you can pass some command line options to "configure" to enable
and/or disable some features of ngIRCd. All these options are shown using
"./configure --help", too.
Compiling a static binary will avoid you the hassle of feeding a chroot dir
(if you want use the chroot feature). Just do something like:
CFLAGS=-static ./configure [--your-options ...]
Then you can use a void directory as ChrootDir (like OpenSSH's /var/empty).
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3): "make"
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The make command uses the Makefiles produced by configure and compiles the
ngIRCd daemon.
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4): "make install"
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Use "make install" to install the server and a sample configuration file on
the local system. Normally, root privileges are necessary to complete this
step. If there is already an older configuration file present, it won't be
overwritten.
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These files and folders will be installed by default:
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- /usr/local/sbin/ngircd: executable server
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- /usr/local/etc/ngircd.conf: sample configuration (if not already present)
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- /usr/local/share/doc/ngircd/: documentation
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- /usr/local/share/man/: manual pages
III. Additional features
~~~~~~~~~~~~~~~~~~~~~~~~
The following optional features can be compiled into the daemon by passing
options to the "configure" script. Most options can handle a <path> argument
which will be used to search for the required libraries and header files in
the given paths ("<path>/lib/...", "<path>/include/...") in addition to the
standard locations.
* Syslog Logging (autodetected by default):
--with-syslog[=<path>] / --without-syslog
Enable (disable) support for logging to "syslog", which should be
available on most modern UNIX-like operating systems by default.
* ZLib Compression (autodetected by default):
--with-zlib[=<path>] / --without-zlib
Enable (disable) support for compressed server-server links.
The Z compression library ("libz") is required for this option.
* IO Backend (autodetected by default):
--with-select[=<path>] / --without-select
--with-poll[=<path>] / --without-poll
--with-devpoll[=<path>] / --without-devpoll
--with-epoll[=<path>] / --without-epoll
--with-kqueue[=<path>] / --without-kqueue
ngIRCd can use different IO "backends": the "old school" select() and poll()
API which should be supported by most UNIX-like operating systems, or the
more efficient and flexible epoll() (Linux >=2.6), kqueue() (BSD) and
/dev/poll APIs.
By default the IO backend is autodetected, but you can use "--without-xxx"
to disable a more enhanced API.
When using the epoll() API, support for select() is compiled in as well by
default to enable the binary to run on older Linux kernels (<2.6), too.
* IDENT-Support:
--with-ident[=<path>]
Include support for IDENT ("AUTH") lookups. The "ident" library is
required for this option.
* TCP-Wrappers:
--with-tcp-wrappers[=<path>]
Include support for Wietse Venemas "TCP Wrappers" to limit client access
to the daemon, for example by using "/etc/hosts.{allow|deny}".
The "libwrap" is required for this option.
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* PAM:
--with-pam[=<path>]
Enable support for PAM, the Pluggable Authentication Modules library.
See doc/PAM.txt for details.
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* SSL:
--with-openssl[=<path>]
--with-gnutls[=<path>]
Enable support for SSL/TLS using OpenSSL or gnutls libraries.
See doc/SSL.txt for details.
* IPv6:
--enable-ipv6
Adds support for version 6 of the Internet Protocol.
IV. Useful make-targets
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~~~~~~~~~~~~~~~~~~~~~~~
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The Makefile produced by the configure-script contains always these useful
targets:
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- clean: delete every product from the compiler/linker
next step: -> make
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- distclean: the above plus erase all generated Makefiles
next step: -> ./configure
- maintainer-clean: erase all automatic generated files
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next step: -> ./autogen.sh
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V. Sample configuration file ngircd.conf
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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In the sample configuration file, there are comments beginning with "#" OR
";" -- this is only for the better understanding of the file.
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The file is separated in five blocks: [Global], [Features], [Operator],
[Server], and [Channel].
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In the [Global] section, there is the main configuration like the server
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name and the ports, on which the server should be listening. Options in
the [Features] section enable or disable functionality in the daemon.
IRC operators of this server are defined in [Operator] blocks, remote
servers are configured in [Server] sections, and [Channel] blocks are
used to configure pre-defined ("persistent") IRC channels.
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The meaning of the variables in the configuration file is explained in the
"doc/sample-ngircd.conf", which is used as sample configuration file in
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/usr/local/etc after running "make install" (if you don't already have one)
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and in the ngircd.conf(5) manual page.
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VI. Command line options
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~~~~~~~~~~~~~~~~~~~~~~~~
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These parameters could be passed to the ngIRCd:
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-f, --config <file>
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The daemon uses the file <file> as configuration file rather than
the standard configuration /usr/local/etc/ngircd.conf.
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-n, --nodaemon
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ngIRCd should be running as a foreground process.
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-p, --passive
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Server-links won't be automatically established.
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-t, --configtest
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Reads, validates and dumps the configuration file as interpreted
by the server. Then exits.
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Use "--help" to see a short help text describing all available parameters
the server understands, with "--version" the ngIRCd shows its version
number. In both cases the server exits after the output.
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Please see the ngircd(8) manual page for complete details!