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Commit Graph

262 Commits

Author SHA1 Message Date
William Pitcock 35dcc7287d - Use safe list iteration with loops which may remove clients 2012-11-22 02:16:59 +00:00
William Pitcock 9a577aec61 - Move some things over to the lclient_list. 2012-11-22 00:23:25 +00:00
William Pitcock ffb4fc56f1 - Separate TKL checking from the check_pings event.
Instead, run check_tkls() when TKL changes are made directly.
  While this is technically slower when more than one TKL is placed
  at once, the value of getting it out of the check_pings event is
  greater.
2012-11-21 03:08:27 +00:00
William Pitcock 9853fa54f4 - Rework the client management code to use a circular queue and set of
circular queues for hashtable.
2012-11-21 22:49:32 +00:00
William Pitcock ab5e766d9c - Replace calls to strncpyzt() macro with more secure strlcpy().
This was done using Coccinelle, the semantic patch was:

  @@
  expression src, dst, len;
  @@

  - strncpyzt(src, dst, len);
  + strlcpy(src, dst, len);
2012-11-21 03:22:29 +00:00
William Pitcock dbe7039123 - Remove flush_connections(). It is now obsolete via the async i/o.
As a result of removing this, Unreal's CPU usage is reduced by 45% with
  10000 local connections.
2012-11-19 22:37:52 +00:00
William Pitcock 98ad590a7f - Remove nextping, nextconnect, nextblah stuff. Use proper events instead. 2012-11-12 09:35:11 +00:00
William Pitcock 856be31a8d - Exorcize HTM (heavy traffic mode) from Unreal.
This is partially for the sake of Stskeeps, even though he left the
  project long ago, but mainly so we can work towards dynamic ticks in
  the event loop while guaranteeing latencies for connected clients,
  even with fakelag.
2012-11-05 05:49:04 +00:00
William Pitcock 31c357bf76 - Kill busycli_fdlist with fire. 2012-11-05 05:30:34 +00:00
William Pitcock 3254f7ba4c - Kill read_message() and related deritius with fire.
The dreamforge event-loop is now fully exorcized from the codebase.
2012-10-26 02:38:08 +00:00
William Pitcock ac5d1b9979 - Remove IsBlocked()/SetBlocked()/ClearBlocked() and related deritius. 2012-10-08 16:16:05 +00:00
William Pitcock dfe8206c8e - First cut at new evented I/O system. Right now, we only implement support for poll(2).
Nothing is hooked up to it yet, I will cover that in the next few commits.
2012-10-05 08:21:29 +00:00
William Pitcock b26207df50 - Add support for proper FD accounting (rewrite of the fdlist code).
This is the first step to adding evented I/O.  Infact, writing the evented I/O code
  should now be quite easy.
2012-10-05 03:42:44 +00:00
Bram Matthys 74d519323f a bigger scratch buffer makes me sleep at night ;) 2012-08-17 10:55:40 +02:00
Bram Matthys b8a13305d3 - Show "Ping timeout: XYZ seconds" instead of just "Ping timeout".
Patch from darkex (#3960).
2012-08-17 10:52:40 +02:00
Nathan Phillip Brink 80806af8bd Check that the automatically-generated cloak keys fit unrealircd's own criteria before printing them out. (#4017) 2011-06-05 23:03:36 -04:00
Bram Matthys b83f096e48 - Fixed another compile problem on QNX, reported by chotaire (#3955 too).
- Fixed incorrect messages regarding clock going backwards on QNX 6 and
  later, reported by chotaire (#0003956).
2010-09-08 11:07:22 +00:00
Bram Matthys 9a5c536cce hm :) 2010-08-20 12:16:40 +00:00
Bram Matthys da48cfc039 *** empty log message *** 2010-08-20 12:15:27 +00:00
binki 9f823be20b - Warn users against running UnrealIRCd as root without setting IRC_USER. (#3053 reported by Stealth) 2010-08-20 11:10:00 +00:00
binki 06e807130c - Added error message for unknown directives in the "files" block
- Remote MOTD support. Not adequately tested. Required restructuring of the asynchronous download callback and handler.
- Added some consts throughout url.c, etc.
- Fix segfault where the an include directive specifies a URL and cURL follows redirects, resulting in a different resultant URL. The remote includes code would look for the an include block using the resultant URL and assume that it would be found. The new code searches differently, has new checks, and ignores the resultant URL.
- Removed duplicated m_motd() and friends that were both in modules and s_serv.c. The copies in s_serv.c (core) were overriding the in-module functions.
2010-06-16 05:44:15 +00:00
Bram Matthys 7ad6dcd977 - Fixed a /RESTART issue on Linux: Unreal did not properly close all file-
descriptors. Because of this, Unreal did not restart properly as you would
  get an "Address already in use" error. This only seemed to happen when
  logging to syslog.
- Fixed a similar issue with syslog (and debugmode) and closing fd's as well:
  the first port we listened on would not open up, ircd did not log any error.
2010-01-04 13:11:03 +00:00
Bram Matthys a5bd782cdf - Made the timesynch log output more clear and understandable.
- Added an 'UnrealIRCd started' log message on startup.
2009-12-06 16:31:42 +00:00
Bram Matthys 9c234ffdf8 - Added special caching of remote includes. When a remote include fails to
load (for example when the webserver is down), then the most recent
  version of that remote include will be used, and the ircd will still boot
  and be able to rehash. Even though this is quite a simple feature, it
  can make a key difference when deciding to roll out remote includes on
  your network. Previously, servers would be unable to boot or rehash when
  the webserver was down, which would be a big problem (often unacceptable).
  The latest version of fetched urls are cached in the cache/ directory as
  cache/<md5 hash of url>.
  Obviously, if there's no 'latest version' and an url fails, the ircd will
  still not be able to boot. This would be the case if you added or changed
  the path of a remote include and it's trying to fetch it for the first time.
  To disable this new behavior, check out REMOTEINC_SPECIALCACHE in
  include/config.h.
2009-11-23 09:43:10 +00:00
Bram Matthys 22bf17ddc7 - When an incorrect command line argument is passed, the IRCd will no longer
boot. Previously it said 'Server not started' but started anyway.
  Reported and patch provided by ohnobinki (#0003870).
2009-11-23 08:41:53 +00:00
Bram Matthys e92e2c22c3 - Applied patch from ohnobinki (#0003863) which makes run-time configuration
of files (tune, pid, motd) possible.
2009-11-22 12:23:00 +00:00
Bram Matthys b070d8805c - Fixed issue where a negative time offset (either caused by ircd.tune or
timesynch) made autoconnect not work for the duration of the offset
  (eg: -60 would make autoconnect wait 60 seconds after boot, instead of
  autoconnecting almost immediately). Reported by aragon (#0003853).
2009-06-08 08:49:07 +00:00
Bram Matthys cc8a592557 - Fixed very silly 'time jumped .. seconds ahead (0 -> ..)' message which
happened on every IRCd boot.
2009-02-20 13:00:07 +00:00
Bram Matthys fd043453b9 - Some text fixes regarding time shift feature 2009-02-01 10:12:49 +00:00
Bram Matthys 46deee2cdc - Smallll fix for time shift protection <- now hopefully rc2 for real.. 2009-01-25 11:25:15 +00:00
Bram Matthys 98db288079 - Added some big warnings regarding big timeshifts.
In the IRCd world correct time is very important. This means that time
  should be correct when the IRCd is booted, either by running ntpd/ntpdate
  on the system or some other synchronization software, or by using the
  built-in timesync feature.
  Whenever the clock is adjusted for more than a few seconds AFTER the IRCd
  has booted, it can lead to dangerous effects ranging from unfair
  timestamps
  for nicks and channels (and hence the possibility to takeover channels),
  to even completely stalling the IRCd (negative timeshift) or making it so
  nobody can connect anymore due to throttling (positive timeshift).
  We now try to 'fix' the worst effects such as the IRCd freeze and
  throttling. This does not fix the whole problem, so I've added some big
  warnings when the clock is adjusted, including an annoying one every 5
  minutes if the clock was set backwards, until the time is OK again
  (catches up with the original time).
  This fixes #0003230 reported by Stealth, and #0002521 reported by durrie.
2009-01-24 15:16:15 +00:00
Bram Matthys 6539f0bb92 - Added documentation for set::spamfilter::slowdetect-warn,
set::spamfilter::slowdetect-fatal, set::ssl::server-cipher-list,
  set::ssl::renegotiate-bytes, set::ssl::renegotiate-timeout,
  set::watch-away-notification and ./unreal gencloak. Reported by Bock
  (#0003764).
- set::ssl::renegotiate-bytes: fix when specifying a value such as 10m.
- './unreal gencloak' now actually works
- Fix typo in user mode q notice, reported by Strawberry_Kittens and others
  (#0003761).
- Possible fix for MAC OS X compile problem - UNCONFIRMED.
2009-01-03 15:13:59 +00:00
Bram Matthys c20f785012 - #0001924 - requested by syzop: Added ./unreal gencloak, which generates
random keys 10 ~ 20 characters in length (*NIX only). [Backport, aquanight]
2008-08-19 13:01:29 +00:00
Bram Matthys 62af4dd7a0 - Fixed Mac OS X issue where "access denied" errors were encountered when
trying to read unrealircd.conf. All due to strange chmod() behavior. We now no
  longer try to set permissions on Mac OS X. Patch provided by Tibby (#3489).
2007-09-25 15:23:27 +00:00
Bram Matthys 3160f385a8 - Fixed CHROOTDIR, which was broken in 3.2.7: IRC_USER/IRC_GROUP did not work
properly when CHROOTDIR was in use (#0003454).
2007-09-16 16:18:54 +00:00
stskeeps 8805dae525 - #0003405 repoted by Stealth regarding wildcards and autoconnect being an
||
- Fixed irc_uid|gid being defined on win32
2007-06-27 11:36:31 +00:00
stskeeps 0e50f34167 - #0003363 patched by adrianp, changing IRC_UID and IRC_GID into
defines IRC_USER, IRC_GROUP which is a string specifiying what user name/
  group name that should be changed into, instead of a hardcoded gid/uid.
  This should make it easier for packaged binary releases to work (even
  though this probably means Debian will take us in, ick .. Can't we pull
  a new fight with debian-legal again?)

- #0003363 patched by adrianp, changing IRC_UID and IRC_GID into
  defines IRC_USER, IRC_GROUP which is a string specifiying what user name/
  group name that should be changed into, instead of a hardcoded gid/uid.
  This should make it easier for packaged binary releases to work (even
  though this probably means Debian will take us in, ick .. Can't we pull
  a new fight with debian-legal again?)
2007-06-17 12:43:52 +00:00
stskeeps ee24127381 - #0002533 reported by Dodge_Ram, patched by WolfSage, regarding notices
not being sent when /*line and /shun are used to request stats
2007-06-14 18:01:01 +00:00
Bram Matthys 803a67d4c7 - Fixed belarussian-w1251 charset.. accidently copied a "'" which caused an internal
error, reported by Bock (#0003114).
- Added information about extbans to help.conf (/HELPOP ?EXTBANS). Patch from Bock
  (#0003113).
- Made SAPART work for mulitple channels, just like SAJOIN. Patch provided by Bock
  (#0003064). This also fixes SAPART now being announced to all opers globally, just
  like SAJOIN.
- Finally fixed /RESTART issue on windows for good, should now always restart correctly.
  Patch provided by BuHHunyx and Bock (#0002734).
2006-11-24 19:34:05 +00:00
Bram Matthys f3d578f2ec - Fixed a couple of typos and other one-line-text fixes at various places: reported by
aegis (#3081), DanPMK (#2818), tabrisnet (#2974, #2970, #2467), penna (#2721),
  Brad (#2488), vonitsanet (#2467).
- Made OpenSSL version dynamic, reported by buildsmart (#0002975).
- Rejecting fake +z modes in conf, reported by rve (#0002532).
2006-11-12 21:49:52 +00:00
Bram Matthys 078e26b128 - If the 'crypt' algorithm is used, then passwords were/are truncated to 8 characters.
We now print a warning when this happens (both on the IRC command and command-line).
  Suggested by JasonTik (#0002953).
2006-11-04 23:53:41 +00:00
Bram Matthys f53a8e204d - Fixed deny link {} blocks being ignored by autoconnect. Reported by a couple people,
also see #0003084.
(backport from aquanight)
2006-11-03 20:36:27 +00:00
Bram Matthys 9aed223b17 - Fixed zlib version check: 1.x is compatible with all 1.*, etc. (#0002966). 2006-09-28 20:43:52 +00:00
Bram Matthys 48c6df3558 - Fixed problem with IRCd using old link block settings if using a low connfreq, this made it
for example near-impossible to remove autoconnect for such a server. Reported by mixx941
  (#0002836).
2006-06-05 18:11:18 +00:00
Bram Matthys d4c9e0af27 - Added MINIMAL time synchronization support. This is enabled by default and will try to
synchronize the IRCd clock (TSOffset) with a few good time servers. It currently only does
  this on-boot, but it will hopefully help a lot of people with most of their time differences.
  I still keep recommending anyone who can to run proper time-synchronization software such as
  ntpd/ntpdate on their servers.
  To disable time synchronization (eg: because you are already running ntp), you can simply
  set set::timesynch::enabled to no.
  The boot timeout for the timeserver response (=causes boot delay) can be configured via
  set::timesynch::timeout and is set to 3 seconds by default (range is 1s-5s), there should
  be no reason to change this.
  The time server can be configured by setting set::timesynch::server, the default is to
  use 3 time servers on 3 continents (US, EU, AU) which should be sufficient for anyone but
  if you got a good one near you you can use that one instead.
  The time protocol we use is (S)NTP v4.
2006-05-21 00:35:45 +00:00
Bram Matthys 98cd2c254e - Added error checking to (main) setuid/setgid calls. 2006-05-05 23:02:11 +00:00
Bram Matthys 8ff913a2db - c-ares (currently, a forked off version) enhancements:
- '/quote dns i' now shows the nameserver settings (which is taken from /etc/resolv.conf
    on *NIX, and from the registry on Windows)
  - We no longer depend on a C++ compiler (was useless c-ares dependency caused by libtool)
  - '/REHASH -dns' now rereads the resolver data from resolv.conf/registry, no IRCd restart
    needed anymore. It's currently kinda experimental however, but I *think* it will work ok.
  Unfortunately the above features required some ugly hacks if curl was enabled, so if you
  use curl (Remote includes), feel free to test on your OS (Linux, but especially FreeBSD
  and the other *NIXes) to see if things still compile (make clean; ./Config && make).
2006-04-11 22:00:01 +00:00
Bram Matthys 3c529c7ee1 - Fixed CHROOTDIR compilation problem, reported by toshio (#0002854).
- Improved CHROOTDIR documentation in include/config.h
- Added error if CHROOTDIR is defined but IRC_UID isn't (in include/config.h).
2006-04-09 19:28:30 +00:00
Bram Matthys f24d4495a2 - Fixed (well, workaround) win32 /RESTART bug that caused it to popup a window instead
of actually restarting the server properly (#0002734).
2006-01-16 19:30:27 +00:00
Bram Matthys 364bf0f605 - Fixes for an amd64 crash problem, reported by Peter Laur (OpenBSD.se).
- Redid some net synching code to make it more efficient (#2716).
- Fixed spamfilter crash problem: the action 'viruschan' is now no longer incompatible
  with target 'user'. Reported by Monk (#0002570).
2006-01-06 19:53:41 +00:00