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684e50f0a4
Don't try to establish an outgoing server link after DNS lookup when this
server re-connected on its own in the meantime.
In addition, log a warning message if we try to update the connection
index of an already connected server structure -- and ignore it.
Up to now, both behaviour could lead to a race when the remote server
connects to this daemon while it still prepares the outgoing connection:
- The local server prepares the new outgoing connection ...
- in the meantime the remote server becomes connected and registered.
- Now the new outgoing connection overwrites the (correct) socket handle,
- then the 2nd connection becomes disconnected: "already registered",
- and the 1st connection becomes unhandled ("gets lost") because the
configuration structure is reset because of the wrong socket handle.
This patch hopefully fixes all these problems.
ngIRCd - Next Generation IRC Server
http://ngircd.barton.de/
(c)2001-2012 Alexander Barton and Contributors.
ngIRCd is free software and published under the
terms of the GNU General Public License.
-- README --
I. Introduction
~~~~~~~~~~~~~~~
ngIRCd is an Open Source server for the Internet Relay Chat (IRC), which
is developed and published under the terms of the GNU General Public
Licence, see the file COPYING for details. ngIRCd means "next generation
IRC daemon" (which is a little bit exaggerated, "lightweight Internet Relay
Chat server" would be better), it's written from scratch and not deduced
from the "grandfather of IRC daemons", the daemon of the IRCNet.
Please see the INSTALL document for installation and upgrade information!
II. Status
~~~~~~~~~~~
It is not the goal of ngIRCd to implement all the nasty behaviours of the
original ircd, but to implement most of the useful commands and semantics
specified by the RFCs.
In the meantime ngIRCd should be quite feature complete and stable to be
used in real IRC networks.
Implemented IRC-commands are:
ADMIN, AWAY, CHANINFO, CONNECT, DIE, DISCONNECT, ERROR, GLINE, HELP, INFO,
INVITE, ISON, JOIN, KICK, KILL, KLINE, LINKS, LIST, LUSERS, MODE, MOTD,
NAMES, NICK, NJOIN, NOTICE, OPER, PART, PASS, PING, PONG, PRIVMSG, QUIT,
REHASH, RESTART, SERVER, SERVICE, SERVLIST, SQUERY, SQUIT, STATS, SUMMON,
TIME, TOPIC, TRACE, USER, USERHOST, USERS, VERSION, WALLOPS, WEBIRC, WHO,
WHOIS, WHOWAS.
III. Features (or: why use ngIRCd?)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- well arranged (lean) configuration file
- simple to build/install, configure and maintain
- supports IPv6 and SSL
- no problems with servers that have dynamic IP addresses
- freely available, modern, portable and tidy C-source
- wide field of supported platforms, including AIX, A/UX, FreeBSD, HP-UX,
IRIX, Linux, Mac OS X, NetBSD, OpenBSD, Solaris, and Windows with Cygwin.
- ngIRCd is being actively developed since 2001.
IV. Documentation
~~~~~~~~~~~~~~~~~
More documentation can be found in the "doc/" directory and the homepage of
the ngIRCd: <http://ngircd.barton.de/>.
V. Download
~~~~~~~~~~~
The homepage of the ngIRCd is: <http://ngircd.barton.de/>; you will find
the newest information about the ngIRCd and the most recent ("stable")
releases there.
If you are interested in the latest development versions (which are not
always stable), then please read the section about "GIT" on the homepage and
the file "doc/GIT.txt" which describes the use of GIT, the version control
system used by ngIRCd (homepage: http://git-scm.com/).
VI. Bugs
~~~~~~~~
If you find bugs in the ngIRCd (which might be there :-), please report
them at the following URL:
<http://ngircd.barton.de/bugtracker.php>
There you can read about known bugs and limitations, too.
If you have critics, patches or something else, please feel free to post a
mail to the ngIRCd mailing list: <ngircd-ml@arthur.barton.de> (please see
<http://ngircd.barton.de/support.php#ml> for details) or join the ngIRCd
IRC channel: <irc://irc.barton.de/ngircd>.