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louiz’
2016-05-23 11:34:33 +02:00
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INSTALL.md → INSTALL.rst
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@@ -1,65 +1,63 @@
INSTALL
=======
tl;dr
=====
-----
cmake . && make && ./biboumi
If that didn’t work, read on.
Dependencies
============
------------
Build and runtime dependencies:
Tools:
~~~~~~
- A C++14 compiler (clang >= 3.4 or gcc >= 4.9 for example)
- CMake
- ronn (optional) to build the man page
Libraries:
~~~~~~~~~~
- expat
expat_
Used to parse XML from the XMPP server.
http://expat.sourceforge.net/
- libiconv
libiconv_
Encoding from anything into UTF-8
http://www.gnu.org/software/libiconv/
- libuuid
libuuid_
Generate unique IDs
http://sourceforge.net/projects/libuuid/
- libidn (optional, but recommended)
libidn_ (optional, but recommended)
Provides the stringprep functionality. Without it, JIDs for IRC users are
not provided.
http://www.gnu.org/software/libidn/
- c-ares (optional, but recommended)
c-ares_ (optional, but recommended)
Asynchronously resolve domain names. This offers better reactivity and
performances when connecting to a big number of IRC servers at the same
time.
http://c-ares.haxx.se/
- libbotan 1.11 (optional)
libbotan_ 1.11 (optional)
Provides TLS support. Without it, IRC connections are all made in
plain-text mode.
Other branches than the 1.11 are not supported.
http://botan.randombit.net/
- litesql (optional)
litesql_ (optional)
Provides a way to store various options in a (sqlite3) database. Each user
of the gateway can store their own values (for example their prefered port,
or their IRC password).
http://git.louiz.org/litesql
- systemd (optional)
systemd_ (optional)
Provides the support for a systemd service of Type=notify. This is useful only
if you are packaging biboumi in a distribution with Systemd.
Configure
=========
---------
Configure the build system using cmake, there are many solutions to do that,
the simplest is to just run
@@ -90,8 +88,9 @@ The list of available options:
- POLLER: lets you select the poller used by biboumi, at
compile-time. Possible values are:
EPOLL: use the Linux-specific epoll(7). This is the default on Linux.
POLL: use the standard poll(2). This is the default value on all non-Linux
- EPOLL: use the Linux-specific epoll(7). This is the default on Linux.
- POLL: use the standard poll(2). This is the default value on all non-Linux
platforms.
- WITH_BOTAN and WITHOUT_BOTAN: The first force the usage of the Botan library,
@@ -108,7 +107,7 @@ The list of available options:
Example:
cmake . -DCMAKE_BUILD_TYPE=release -DCMAKE_INSTALL_PREFIX \
cmake . -DCMAKE_BUILD_TYPE=release -DCMAKE_INSTALL_PREFIX=/usr
-DWITH_BOTAN=1 -DWITHOUT_SYSTEMD=1
This command will configure the project to build a release, with TLS enabled
@@ -116,24 +115,21 @@ This command will configure the project to build a release, with TLS enabled
Build
=====
- Once you’ve configured everything using cmake, build the project
-----
Once you’ve configured everything using cmake, build the project
make
Install
=======
- And then, optionaly, Install the software system-wide
-------
And then, optionaly, Install the software system-wide
make install
Testing
=======
-------
You can run the test suite with
make check
@@ -149,8 +145,17 @@ This requires gcov and lcov to be installed.
Run
===
---
Run the software using the `biboumi` binary. Read the documentation (the
man page biboumi(1) or the `biboumi.1.md` file) for more information on how
man page biboumi(1) or the `biboumi.1.rst`_ file) for more information on how
to use biboumi.
.. _expat: http://expat.sourceforge.net/
.. _libiconv: http://www.gnu.org/software/libiconv/
.. _libuuid: http://sourceforge.net/projects/libuuid/
.. _libidn: http://www.gnu.org/software/libidn/
.. _libbotan: http://botan.randombit.net/
.. _c-ares: http://c-ares.haxx.se/
.. _litesql: http://git.louiz.org/litesql
.. _systemd: https://www.freedesktop.org/wiki/Software/systemd/
.. _biboumi.1.rst: doc/biboumi.1.rst
README.md → README.rst
+10 -9
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@@ -21,21 +21,21 @@ important goal is to keep the software (and its code) light and simple.
Install
=======
Refer to the [INSTALL][] file.
-------
Refer to the INSTALL_ file.
Usage
=====
Read [the documentation](doc/biboumi.1.md).
-----
Read `the documentation`_.
Authors
=======
-------
Florent Le Coz (louiz’) <louiz@louiz.org>
Contact/Support
===============
---------------
* XMPP ChatRoom: biboumi@muc.poez.io
* Report a bug: https://dev.louiz.org/projects/biboumi/issues/new
@@ -51,11 +51,12 @@ beforehand.
Licence
=======
-------
Biboumi is Free Software.
(learn more: http://www.gnu.org/philosophy/free-sw.html)
Biboumi is released under the zlib license.
Please read the COPYING file for details.
[INSTALL]: INSTALL
.. _INSTALL: INSTALL.rst
.. _the documentation: doc/biboumi.1.rst
doc/biboumi.1.md → doc/biboumi.1.rst
+151 -137
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@@ -1,77 +1,92 @@
BIBOUMI 1 "2014-06-02"
======================
=======================
Biboumi(1) User Manual
=======================
.. contents:: :depth: 2
NAME
----
====
biboumi - XMPP gateway to IRC
DESCRIPTION
-----------
Description
===========
Biboumi is an XMPP gateway that connects to IRC servers and translates
between the two protocols. It can be used to access IRC channels using any
XMPP client as if these channels were XMPP MUCs.
SYNOPSIS
--------
Synopsis
========
`biboumi` [`config_filename`]
biboumi [*config_filename*\ ]
OPTIONS
-------
Options
=======
Available command line options:
`config_filename`
config_filename
---------------
Specify the file to read for configuration. See *CONFIG* section for more
details on its content.
CONFIG
------
Configuration
=============
The configuration file uses a simple format of the form
`"option=value"`. Here is a description of each possible option:
``option=value``. Here is a description of each possible option:
`hostname` (mandatory)
The configuration can be re-read at runtime (you can for example change the
log level without having to restart biboumi) by sending SIGUSR1 or SIGUSR2
(see kill(1)) to the process.
The hostname served by the XMPP gateway. This domain must be configured in
the XMPP server as an external component. See the manual for your XMPP
server for more information.
For prosody, see http://prosody.im/doc/components#adding_an_external_component
hostname
--------
`password` (mandatory)
Mandatory. The hostname served by the XMPP gateway. This domain must be
configured in the XMPP server as an external component. See the manual
for your XMPP server for more information. For prosody, see
http://prosody.im/doc/components#adding_an_external_component
The password used to authenticate the XMPP component to your XMPP server.
This password must be configured in the XMPP server, associated with the
external component on *hostname*.
password
--------
`xmpp_server_ip`
Mandatory. The password used to authenticate the XMPP component to your
XMPP server. This password must be configured in the XMPP server,
associated with the external component on *hostname*.
The IP address to connect to the XMPP server on. The connection to the XMPP
server is unencrypted, so the biboumi instance and the server should normally
be on the same host. The default value is 127.0.0.1.
xmpp_server_ip
--------------
`port`
The IP address to connect to the XMPP server on. The connection to the
XMPP server is unencrypted, so the biboumi instance and the server should
normally be on the same host. The default value is 127.0.0.1.
port
----
The TCP port to use to connect to the local XMPP component. The default
value is 5347.
`admin`
admin
-----
The bare JID of the gateway administrator. This JID will have more
privileges than other standard users (the admin thus needs to check their
privileges), for example some administration ad-hoc commands will only be
available to that JID.
`fixed_irc_server`
fixed_irc_server
----------------
If this option contains the hostname of an IRC server (for example
irc.example.org), then biboumi will enforce the connexion to that IRC
server only. This means that a JID like "#chan@biboumi.example.com" must
be used instead of "#chan%irc.example.org@biboumi.example.com". In that
mode, the virtual channel (see *Connect to an IRC server*) is not
mode, the virtual channel (see `Connect to an IRC server`_) is not
available and you still need to use the ! separator to send message to an
IRC user (for example "foo!@biboumi.example.com" to send a message to
foo), although the in-room JID still work as expected
@@ -83,18 +98,20 @@ The configuration file uses a simple format of the form
users join their own IRC server using an XMPP client, while forbidding
access to any other IRC server.
`realname_customization`
realname_customization
----------------------
If this option is set to “false” (default is “true”), the users will not be
able to use the ad-hoc commands that lets them configure their realname and
username.
`realname_from_jid`
realname_from_jid
-----------------
If this option is set to “true”, the realname and username of each biboumi
user will be extracted from their JID. The realname is their bare JID, and
the username is the node-part of their JID. Note that if
`realname_customization` is “true”, each user will still be able to
``realname_customization`` is “true”, each user will still be able to
customize their realname and username, this option just decides the default
realname and username.
@@ -102,31 +119,36 @@ The configuration file uses a simple format of the form
username of each user will be set to the nick they used to connect to the
IRC server.
`webirc_password`
webirc_password
---------------
Configure a password to be communicated to the IRC server, as part of the
WEBIRC message (see https://kiwiirc.com/docs/webirc). If this option is
set, an additional DNS resolution of the hostname of each XMPP server will
be made when connecting to an IRC server.
`log_file`
log_file
--------
A filename into which logs are written. If none is provided, the logs are
written on standard output.
`log_level`
log_level
---------
Indicate what type of log messages to write in the logs. Value can be
from 0 to 3. 0 is debug, 1 is info, 2 is warning, 3 is error. The
default is 0, but a more practical value for production use is 1.
`ca_file`
ca_file
-------
Specifies which file should be use as the list of trusted CA when
negociating a TLS session. By default this value is unset and biboumi
tries a list of well-known paths.
`outgoing_bind`
outgoing_bind
-------------
An address (IPv4 or IPv6) to bind the outgoing sockets to. If no value is
specified, it will use the one assigned by the operating system. You can
@@ -134,27 +156,23 @@ The configuration file uses a simple format of the form
interface with this address. Note that this is only used for connections
to IRC servers.
The configuration can be re-read at runtime (you can for example change the
log level without having to restart biboumi) by sending SIGUSR1 or SIGUSR2
(see kill(1)) to the process.
USAGE
-----
Usage
=====
Biboumi acts as a server, it should be run as a daemon that lives in the
background for as long as it is needed. Note that biboumi does not
daemonize itself, this task should be done by your init system (SysVinit,
systemd, upstart).
When started, biboumi connects, without encryption (see *SECURITY*), to the
local XMPP server on the port `5347` and authenticates with the provided
password. Biboumi then serves the configured `hostname`: this means that
When started, biboumi connects, without encryption (see `Security`_), to the
local XMPP server on the port ``5347`` and authenticates with the provided
password. Biboumi then serves the configured ``hostname``: this means that
all XMPP stanza with a `to` JID on that domain will be forwarded to biboumi
by the XMPP server, and biboumi will only send messages coming from that
hostname.
When a user joins an IRC channel on an IRC server (see *Join an IRC
channel*), biboumi connects to the remote IRC server, sets the user’s nick
When a user joins an IRC channel on an IRC server (see `Join an IRC
channel`_), biboumi connects to the remote IRC server, sets the user’s nick
as requested, and then tries to join the specified channel. If the same
user subsequently tries to connect to an other channel on the same server,
the same IRC connection is used. If, however, an other user wants to join
@@ -168,38 +186,39 @@ communication is acknowledged by all IRC servers. If one or more IRC
servers do not respond, biboumi will only exit if it receives the same
signal again or if a 2 seconds delay has passed.
### Addressing
Addressing
----------
IRC entities are represented by XMPP JIDs. The domain part of the JID is
the domain served by biboumi (the part after the `@`, biboumi.example.com in
the examples), and the local part (the part before the `@`) depends on the
the domain served by biboumi (the part after the ``@``, biboumi.example.com in
the examples), and the local part (the part before the ``@``) depends on the
concerned entity.
IRC channels have a local part formed like this:
`channel_name`%`irc_server`.
``channel_name`` % ``irc_server``.
If the IRC channel you want to adress starts with the `'#'` character (or an
other character, announced by the IRC server, like `'&'`, `'+'` or `'!'`),
If the IRC channel you want to adress starts with the ``'#'`` character (or an
other character, announced by the IRC server, like ``'&'``, ``'+'`` or ``'!'``),
then you must include it in the JID. Some other gateway implementations, as
well as some IRC clients, do not require them to be started by one of these
characters, adding an implicit `'#'` in that case. Biboumi does not do that
characters, adding an implicit ``'#'`` in that case. Biboumi does not do that
because this gets confusing when trying to understand the difference between
the channels *#foo*, and *##foo*. Note that biboumi does not use the
presence of these special characters to identify an IRC channel, only the
presence of the separator `%` is used for that.
The channel name can also be empty (for example `%irc.example.com`), in that
The channel name can also be empty (for example ``%irc.example.com``), in that
case this represents the virtual channel provided by biboumi. See *Connect
to an IRC server* for more details.
There is two ways to address an IRC user, using a local part like this:
`nickname`!`irc_server`
``nickname`` ! ``irc_server``
or by using the in-room address of the participant, like this:
`channel_name`%`irc_server`@`biboumi.example.com`/`Nickname`
``channel_name`` % ``irc_server`` @ ``biboumi.example.com`` / ``Nickname``
The second JID is available only to be compatible with XMPP clients when the
user wants to send a private message to the participant `Nickname` in the
room `channel_name%irc_server@biboumi.example.com`.
user wants to send a private message to the participant ``Nickname`` in the
room ``channel_name%irc_server@biboumi.example.com``.
On XMPP, the node part of the JID can only be lowercase. On the other hand,
IRC nicknames are case-insensitive, this means that the nicknames toto,
@@ -209,30 +228,30 @@ talk to the user toto, and this will work.
Also note that some IRC nicknames may contain characters that are not
allowed in the local part of a JID (for example '@'). If you need to send a
message to a nick containing such a character, you have to use a jid like
`%irc.example.com@biboumi.example.com/AnnoyingNickn@me`, because the JID
`AnnoyingNickn@me!irc.example.com@biboumi.example.com` would not work.
``%irc.example.com@biboumi.example.com/AnnoyingNickn@me``, because the JID
``AnnoyingNickn@me!irc.example.com@biboumi.example.com`` would not work.
Examples:
`#foo%irc.example.com@biboumi.example.com` is the #foo IRC channel, on the
* ``#foo%irc.example.com@biboumi.example.com`` is the #foo IRC channel, on the
irc.example.com IRC server, and this is served by the biboumi instance on
biboumi.example.com
`toto!irc.example.com@biboumi.example.com` is the IRC user named toto, or
* ``toto!irc.example.com@biboumi.example.com`` is the IRC user named toto, or
TotO, etc.
`irc.example.com@biboumi.example.com` is the IRC server irc.example.com.
* ``irc.example.com@biboumi.example.com`` is the IRC server irc.example.com.
`%irc.example.com@biboumi.example.com` is the virtual channel provided by
* ``%irc.example.com@biboumi.example.com`` is the virtual channel provided by
biboumi, for the IRC server irc.example.com.
Note: Some JIDs are valid but make no sense in the context of
biboumi:
`!irc.example.com@biboumi.example.com` is the empty-string nick on the
* ``!irc.example.com@biboumi.example.com`` is the empty-string nick on the
irc.example.com server. It makes no sense to try to send messages to it.
`#test%@biboumi.example.com`, or any other JID that does not contain an
* ``#test%@biboumi.example.com``, or any other JID that does not contain an
IRC server is invalid. Any message to that kind of JID will trigger an
error, or will be ignored.
@@ -241,27 +260,30 @@ representing the “hostname” provided by the IRC server. This JID can only
be used to set IRC modes (for example to ban a user based on its IP), or to
identify user. It cannot be used to contact that user using biboumi.
### Join an IRC channel
Join an IRC channel
-------------------
To join an IRC channel `#foo` on the IRC server `irc.example.com`,
join the XMPP MUC `#foo%irc.example.com@hostname`.
To join an IRC channel ``#foo`` on the IRC server ``irc.example.com``,
join the XMPP MUC ``#foo%irc.example.com@biboumi.example.com``.
### Connect to an IRC server
Connect to an IRC server
------------------------
The connection to the IRC server is automatically made when the user tries
to join any channel on that IRC server. The connection is closed whenever
the last channel on that server is left by the user. To be able to stay
connected to an IRC server without having to be in a real IRC channel,
biboumi provides a virtual channel on the jid
`%irc.example.com@biboumi.example.com`. For example if you want to join the
channel `#foo` on the server `irc.example.com`, but you need to authenticate
``%irc.example.com@biboumi.example.com``. For example if you want to join the
channel ``#foo`` on the server ``irc.example.com``, but you need to authenticate
to a bot of the server before you’re allowed to join it, you can first join
the room `%irc.example.com@biboumi.example.com` (this will effectively
the room ``%irc.example.com@biboumi.example.com`` (this will effectively
connect you to the IRC server without joining any room), then send your
authentication message to the user `bot!irc.example.com@biboumi.example.com`
and finally join the room `#foo%irc.example.com@biboumi.example.com`.
authentication message to the user ``bot!irc.example.com@biboumi.example.com``
and finally join the room ``#foo%irc.example.com@biboumi.example.com``.
### Channel messages
Channel messages
----------------
On XMPP, unlike on IRC, the displayed order of the messages is the same for
all participants of a MUC. Biboumi can not however provide this feature, as
@@ -270,14 +292,16 @@ messages to other users. This means that the order of the messages
displayed in your XMPP client may not be the same than the order on other
IRC users’.
### List channels
List channels
-------------
You can list the IRC channels on a given IRC server by sending an XMPP disco
items request on the IRC server JID. The number of channels on some servers
is huge, and biboumi does not (yet) support result set management (XEP 0059)
so the result stanza may be very big.
### Nicknames
Nicknames
---------
On IRC, nicknames are server-wide. This means that one user only has one
single nickname at one given time on all the channels of a server. This is
@@ -295,7 +319,8 @@ nick on the whole server by mistake. If you want to have a different
nickname in the channel you’re going to join, you need to do it explicitly
with the NICK command before joining the channel.
### Private messages
Private messages
----------------
Private messages are handled differently on IRC and on XMPP. On IRC, you
talk directly to one server-user: toto on the channel #foo is the same user
@@ -306,43 +331,47 @@ previously sent a message to an in-room participant (something like
\#test%irc.example.com@biboumi.example.com/nickname), in which case future
messages from that same user will be received from that same “in-room” JID.
### Notices
Notices
-------
Notices are received exactly like private messages. It is not possible to
send a notice.
### Kicks and bans
Kicks and bans
--------------
Kicks are transparently translated from one protocol to another. However
banning an XMPP participant has no effect. To ban an user you need to set a
mode +b on that user nick or host (see *MODES*) and then kick it.
mode +b on that user nick or host (see `IRC modes`_) and then kick it.
### Encoding
Encoding
--------
On XMPP, the encoding is always `UTF-8`, whereas on IRC the encoding of
On XMPP, the encoding is always ``UTF-8``, whereas on IRC the encoding of
each message can be anything.
This means that biboumi has to convert everything coming from IRC into UTF-8
without knowing the encoding of the received messages. To do so, it checks
if each message is UTF-8 valid, if not it tries to convert from
`iso_8859-1` (because this appears to be the most common case, at least
on the channels I visit) to `UTF-8`. If that conversion fails at some
point, a placeholder character `'�'` is inserted to indicate this
``iso_8859-1`` (because this appears to be the most common case, at least
on the channels I visit) to ``UTF-``. If that conversion fails at some
point, a placeholder character ``'�'`` is inserted to indicate this
decoding error.
Messages are always sent in UTF-8 over IRC, no conversion is done in that
direction.
### IRC modes
IRC modes
---------
One feature that doesn’t exist on XMPP but does on IRC is the `modes`.
One feature that doesn’t exist on XMPP but does on IRC is the ``modes``.
Although some of these modes have a correspondance in the XMPP world (for
example the `+o` mode on a user corresponds to the `moderator` role in
example the ``+o`` mode on a user corresponds to the ``moderator`` role in
XMPP), it is impossible to map all these modes to an XMPP feature. To
circumvent this problem, biboumi provides a raw notification when modes are
changed, and lets the user change the modes directly.
To change modes, simply send a message starting with “`/mode`” followed by
To change modes, simply send a message starting with “``/mode``” followed by
the modes and the arguments you want to send to the IRC server. For example
“/mode +aho louiz”. Note that your XMPP client may interprete messages
begining with “/” like a command. To actually send a message starting with
@@ -356,54 +385,46 @@ notified of this XMPP event as well. For example if a mode “+o toto” is
received, then toto’s role will be changed to moderator. The mapping
between IRC modes and XMPP features is as follow:
`+q`
``+q``
Sets the participant’s role to ``moderator`` and its affiliation to ``owner``.
Sets the participant’s role to `moderator` and its affiliation to `owner`.
``+a``
Sets the participant’s role to ``moderator`` and its affiliation to ``owner``.
`+a`
``+o``
Sets the participant’s role to ``moderator`` and its affiliation to ``admin``.
Sets the participant’s role to `moderator` and its affiliation to `owner`.
``+h``
Sets the participant’s role to ``moderator`` and its affiliation to ``member``.
`+o`
Sets the participant’s role to `moderator` and its affiliation to `admin`.
`+h`
Sets the participant’s role to `moderator` and its affiliation to `member`.
`+v`
Sets the participant’s role to `participant` and its affiliation to `member`.
``+v``
Sets the participant’s role to `participant` and its affiliation to ``member``.
Similarly, when a biboumi user changes some participant's affiliation or role, biboumi translates that in an IRC mode change.
Affiliation set to `none`
Affiliation set to ``none``
Sets mode to -vhoaq
Affiliation set to `member`
Affiliation set to ``member``
Sets mode to +v-hoaq
Role set to `moderator`
Role set to ``moderator``
Sets mode to +h-oaq
Affiliation set to `admin`
Affiliation set to ``admin``
Sets mode to +o-aq
Affiliation set to `owner`
Affiliation set to ``owner``
Sets mode to +a-q
### Ad-hoc commands
Ad-hoc commands
---------------
Biboumi supports a few ad-hoc commands, as described in the XEP 0050.
Different ad-hoc commands are available for each JID type.
#### On the gateway itself (e.g on the JID biboumi.example.com):
On the gateway itself (e.g on the JID biboumi.example.com):
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- ping: Just respond “pong”
@@ -424,12 +445,14 @@ Different ad-hoc commands are available for each JID type.
with an XMPP message. The administrator can disconnect any user, while
the other users can only disconnect themselves.
#### On a server JID (e.g on the JID chat.freenode.org@biboumi.example.com)
On a server JID (e.g on the JID chat.freenode.org@biboumi.example.com)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- Configure: Lets each user configure some options that applies to the
concerned IRC server.
#### On a channel JID (e.g on the JID #test%chat.freenode.org@biboumi.example.com)
On a channel JID (e.g on the JID #test%chat.freenode.org@biboumi.example.com)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- Configure: Lets each user configure some options that applies to the
concerned IRC channel. Some of these options, if not configured for a
@@ -438,7 +461,8 @@ Different ad-hoc commands are available for each JID type.
and the server. If an encoding is not specified for a channel, the
encoding configured in the server applies.
### Raw IRC messages
Raw IRC messages
----------------
Biboumi tries to support as many IRC features as possible, but doesn’t
handle everything yet (or ever). In order to let the user send any
@@ -452,8 +476,8 @@ The message will be forwarded as is, without any modification appart from
adding "\r\n" at the end (to make it a valid IRC message). You need to have
a little bit of understanding of the IRC protocol to use this feature.
SECURITY
--------
Security
========
The connection to the XMPP server can only be made on localhost. The
XMPP server is not supposed to accept non-local connections from components.
@@ -481,13 +505,3 @@ protection against flood or any sort of abuse that your users may cause on
the IRC servers. Some XMPP server however offer the possibility to restrict
what JID can access a gateway. Use that feature if you wish to grant access
to your biboumi instance only to a list of trusted users.
AUTHORS
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This software and man page are both written by Florent Le Coz.
LICENSE
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Biboumi is released under the zlib license.