Alexander Barton [Tue, 14 Feb 2012 10:01:13 +0000 (11:01 +0100)]
Correctly re-open syslog logging after reading of configuration
Syslog logging has been initialized before reading the configuraton
file, so ngIRCd always used the default facility and ignored the
"SyslogFacility" configuration option.
Thanks to Patrik Schindler for reporting this issue!
Alexander Barton [Tue, 24 Jan 2012 01:55:53 +0000 (02:55 +0100)]
Enhance server command limits
This patch updates the limits for handling commands from a remote server:
- "<user count> / 5 + <min>" using "<min>=10" during normal operation,
- the above count multiplied with 5 while servers are syncing.
The intention is to a) make the limit dependent of the number of users
in the network (the more users, the more commands required to sync) and
b) to significantly rise this limit while servers are joining the network
to make the login and synchronization faster.
Alexander Barton [Tue, 24 Jan 2012 01:46:12 +0000 (02:46 +0100)]
Send a PING at the end of the server sync to detect it
At the end of sending all "state" to the remote server, a PING command
is sent to request a PONG reply. Until then, no "regual" PING was sent,
so Conn_LastPing(<connection>) is null and now becomes non-null in the
PONG command handler.
So the servers are still synchronizing when Conn_LastPing(<connection>)
is 0, which could easily be tested.
Alexander Barton [Sun, 22 Jan 2012 17:35:54 +0000 (18:35 +0100)]
Check G/K-Lines before the client has been registered, too
This allows to use "*!<user>@<host>" or "*!*@<host>" masks to reject
clients even before receiving PASS, NICK and USER commands and before
forking authentication child processes which reduces resource usage.
Alexander Barton [Sat, 21 Jan 2012 18:59:57 +0000 (19:59 +0100)]
Implement channel exception list (mode 'e')
This allows a channel operator to define exception masks that allow users
to join the channel even when a "ban" would match and prevent them from
joining: the exception list (e) overrides the ban list (b).
Alexander Barton [Sun, 15 Jan 2012 18:07:15 +0000 (19:07 +0100)]
Channel lists: Fix duplicate check and error messages
- Check correct list for duplicates when adding items.
- Don't generate any messages when adding duplicates or removing
non-existing items (this is how ircd-seven and ircu behave).
- Code cleanup: Add_Ban_Invite(), Del_Ban_Invite().
Alexander Barton [Fri, 13 Jan 2012 09:43:05 +0000 (10:43 +0100)]
Don't stop join handling on faulty channel, skip it (part #2)
Commit 565523cb allowed processing of further channel names given to the
JOIN command when a single name was invalid.
After this patch, the JOIN command handler continues to process channel
name lists even after errors like "channel is full", "too many channels",
and the like and generates appropriate error messages for all the
channels given by the client.
channel modes: only handle MAX_CMODES_ARG modes with arguments
Limit the MODE command to handle a maximum of MAX_CMODES_ARG (5) channel
modes that require an argument (+Ibkl) per call.
Please note: Further modes that require arguments are silently ignored
and end the handling of any further modes.
This is similar to the behavior of ircd2.11 (silently ignores but seems
to handle other modes) as well as ircd-seven (silently ignores but handles
some(!) other modes) ...
Conn_Write(): Make sure there is a client when detecting its type
The assert(client != NULL) got triggered during our tests, so there is
an error path that resulted in the connection being still established
(sock >= 0) but the client structure already freed.
Display correct error message when "Server{UID|GID}" is invalid
This partly closes bug #118. ngIRCd still starts up even when
Server{UID|GID} is invalid: then the daemon falls back to "nobody"
when running with root(0) privileges (as before).
commit 15fec92ed75c3de0b32c40d005e93e3f61aef77e
(Update list item, if it already exists) can make ngircd
crash because 'Reason' can be NULL, as reported by
Cahata on the ngircd mailing list.
Doesn't affect any released ngircd versions.
Also, make sure that we do not pass NULL as arguments
to a '%s' printf-like function.
Don't stop join handling on faulty channel, skip it
When JOIN is received with more than one channel name, don't stop
processing on the first error (e.g. bad name, wrong channel key, ...)
but report an error and continue with the other given channel names.
When "PAMIsOptional" is set, clients not sending a password are still
allowed to connect: they won't become "identified" and keep the "~"
character prepended to their supplied user name.
Alexander Barton [Fri, 30 Dec 2011 13:52:48 +0000 (14:52 +0100)]
Fixed handling of WHO commands
This fixes two bugs:
- "WHO <nick>" returned nothing at all if the user was "+i"
(reported by Cahata, thanks).
- "WHO <nick|nickmask>" returned channel names instead of "*"
when the user was member of a (visible) channel.
Alexander Barton [Wed, 28 Dec 2011 14:07:24 +0000 (15:07 +0100)]
LUSERS reply: only count "visible" channels
Rename Channel_Count() to Channel_CountVisible() and only count channels
that are visible to the requesting client, so the existence of secret
channels is no longer revealed by using LUSERS.
Alexander Barton [Sun, 25 Dec 2011 19:11:43 +0000 (20:11 +0100)]
IRC_xLINE(): output an error message for unexpected "lines"
This fixes:
irc-oper.c: In function ‘IRC_xLINE’:
irc-oper.c:429: warning: ‘class’ may be used uninitialized in this function
irc-oper.c:430: warning: ‘class_c’ may be used uninitialized in this function