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2014-01-10Client_SetHostname(): Don't use strlen() to test for valueAlexander Barton
2014-01-10Test suite: explicitely enable glibc memory checkingAlexander Barton
2014-01-08Send "fake '*' key" in "MODE -k" repliesAlexander Barton
According to RFC 2812 3.2.3 "Channel mode message" and the examples there, it looks like clients should use "MODE -k <key>" to unset channel keys; and that's how other servers and services behave and do expect it. (But please note that this is NOT the case for "MODE -l"!) In the end, it doesn't make sense to specify a key when UNsetting it at all, and different services behave diffrently when clients do not send the currently set key to unset it - some ignore such calls, for example! But this implementation is quite relaxed, it accepts any key when unsetting channel mode "k" and even accepts no key at all. But the reply will always include an "*" character for every "-k" parameter.
2014-01-04Support non-standard vsnprintf() return codeAlexander Barton
C99 states that vsnprintf() "returns the number of characters that would have been printed if the n were unlimited"; but according to the Linux manual page "glibc until 2.0.6 would return -1 when the output was truncated" -- so we have to handle both cases ...
2014-01-02Update Copyright notices for 2014Alexander Barton
2014-01-02Merge branch 'bug167-WebircIPAnoDNS' of git://arthur.barton.de/ngircd-alexAlexander Barton
* 'bug167-WebircIPAnoDNS' of git://arthur.barton.de/ngircd-alex: WEBIRC: Don't respect hostname when DNS is disabled
2014-01-02Merge branch 'bug165-005-NETWORK' of git://arthur.barton.de/ngircd-alexAlexander Barton
* 'bug165-005-NETWORK' of git://arthur.barton.de/ngircd-alex: Implement new configuration option "Network"
2014-01-01portabtest: Add checks for strdup(), strndup(), and strtok_r()Alexander Barton
2014-01-01portabtest: Actually test functionsAlexander Barton
Test functions snprintf(), strlcpy(), strlcat(), vsnprintf() for correctness, not only existance (which was quite useless, because if they weren't available, the program could not have been linked at all ...).
2013-12-29portabtest: Only use one exit code to indicate errorsAlexander Barton
2013-12-29portabtest: Code cleanupAlexander Barton
2013-12-29Fix permanent k/glineFederico G. Schwindt
Reported by Toni Spets (hifi - at - jnz - dot - fi).
2013-12-27Implement new configuration option "Network"Alexander Barton
The new configuration variable "Network" is used to set the (completely optional) "network name", to which this instance of the daemon belongs. When set, this name is used in the ISUPPORT(005) numeric which is sent to all clients connecting to the server after logging in. Closes bug #165.
2013-12-27WEBIRC: Don't respect hostname when DNS is disabledAlexander Barton
When DNS lookups are disabled, don't set the hostname received by the WEBIRC command, but use the IP address instead. Reported by Toni Spets <toni.spets@iki.fi>, thanks! Closes bug #167.
2013-12-27Check for working getaddrinfo() functionAlexander Barton
At least AIX 4.3.3 and 5.1 have a broken implementation of getaddrinfo() which doesn't handle "0" as numeric service correctly. This patch adds a configure check for this case and changes all calling functions to only use getaddrinfo() if it "works". See <http://www.stacken.kth.se/lists/heimdal-discuss/2004-05/msg00059.html>
2013-12-07Fix spellingFederico G. Schwindt
2013-11-10Only use unsetenv() when it is availableAlexander Barton
AIX 4.3 dosn't support it, for example.
2013-11-09conf-ssl.h: make code compatible with pre-ANSI C compilersAlexander Barton
2013-11-09vsnprintf.c: make code compatible with ansi2knr toolAlexander Barton
2013-11-09Remove unused vsnprintf.c test functionAlexander Barton
2013-11-07Add comments around some IRC_SetPenalty() callsFederico G. Schwindt
2013-11-07Rework the penalty handling slightlyFederico G. Schwindt
Increase the penalty for a command before checking its arguments. This makes the handling more consistent and allow us to move more penalties to Handle_Request().
2013-11-07Move IRC_SetPenalty() to Handle_Request() when possibleFederico G. Schwindt
This centralizes the penalty handling. It also exposes some commands that lack it for our attention.
2013-11-07Introduce a macro to define the command listFederico G. Schwindt
This will pave the way to other changes and simplifies the entries somewhat.
2013-11-07When sending an error use the IRC_WriteErrClient() variantFederico G. Schwindt
This ensures that all errors have a 2 second penalty.
2013-11-06On bad /oper set the penalty to 10 secondsFederico G. Schwindt
This helps against brute-force attempts.
2013-11-06Remove unneded IRC_SetPenalty() callsFederico G. Schwindt
IRC_WriteErrClient() already calls IRC_SetPenalty(). While here convert some IRC_SetPenalty() + IRC_WriteStrClient() to IRC_WriteErrClient().
2013-11-06Use sizeof() intead of the explicit sizeFederico G. Schwindt
2013-11-01Remove wrong #ifdef in Option_String()Alexander Barton
This fixes the following error when compiling without zlib support: irc.c: In function ‘Option_String’: irc.c:487: error: ‘options’ undeclared (first use in this function) Reported by "der_baer" on #ngircd.
2013-10-23Check and call arc4random_stir() if presentFederico G. Schwindt
FreeBSD prior to 10.0 does not automatically stir on fork(). Same with current NetBSD. If arc4random_stir() is present assume is needed and call it instead of srand().
2013-10-17Add support for longer config linesFederico G. Schwindt
With the introduction of CipherList we could have longer config lines. Handle up to 1024 bytes and warn if the line will be truncated.
2013-10-17Report the correct file on errorFederico G. Schwindt
2013-10-16Add support for arc4randomFederico G. Schwindt
If arc4random is present it will be used over the srand/rand interface. This fixes some warnings in OpenBSD-current.
2013-10-16Fix another strcat warning missed in commit 4c5b43Federico G. Schwindt
2013-10-07ngircd.c, main(): use strlcat() instead of strcat()Alexander Barton
This fixes the following warning on OpenBSD 5.3: ngircd.o(.text+0xeb4): In function `main': src/ngircd/ngircd.c:300: warning: strcat() is almost always misused, please use strlcat() Thanks to Götz Hoffart for reporting this!
2013-10-01Actually KILL clients on GLINE/KLINEAlexander Barton
Kill all clients that match a new GLINE/KLINE mask and genrate apropriate KILL commands. These KILL commands can be superfluous, but are required when the IRC Operator isn't allowd to set remote G-Lines or if there are older servers in the network that don't kill clients on GLINE/KLINE. Closes bug #156.
2013-10-01Don't forward KILL commands for unknown clientsAlexander Barton
2013-10-01New function IRC_KillClient() to kill clientsAlexander Barton
The old local function Kill_Nick() in irc.c has been an ugly hack. This patch implements a generic function for killing clients. Adjust all callers of Kill_Nick() and respect the return code!
2013-09-26Adjust log messages for invalid and spoofed prefixesAlexander Barton
Now invalid prefixes aren't logged no more when originating from an other server (besides in debug mode), and spoofed prefixes are correctly logged using LOG_WARNING (from an other server) or LOG_ERR (from a client) levels. In addition, the log message texts have been adjusted to better reflect what will happen: commands with invalid prefixes are ignored and logged, commands with spoofed prefixes will result in the client being disconncted (regular users) or the command being ignored (other servers). This cleans up logging of commands related to already KILL'ed clients.
2013-09-25Remove CLIENT.oper_by_my, Client_SetOperByMe() and Client_OperByMe()Alexander Barton
All places where Client_OperByMe() is used can either be converted to Client_HasMode(Client, 'o') or Op_Check(). And Op_Check() itself can use the connection handle for deciding whether the IRC Operator is a local user or not.
2013-09-24Add support to show user links using "STATS L"Federico G. Schwindt
Change "stats L" to show servers and user links and restrict it to IRC Operators.
2013-09-24Log an error (not info) when working directory can't be changedAlexander Barton
2013-09-17Change the certificate fingerprint digest to sha256Federico G. Schwindt
While here correct some indentation.
2013-09-17Change cipher defaultsFederico G. Schwindt
Switch cipher defaults to HIGH:!aNULL:@STRENGTH (OpenSSL) or SECURE128 (GnuTLS).
2013-09-16Merge remote-tracking branch 'alex/bug162-SSLCipherList'Alexander Barton
* alex/bug162-SSLCipherList: Cipher list selection for GnuTLS ConnSSL_Init_SSL(): correctly set CONN_SSL flag Cipher list selection for OpenSSL ConnSSL_InitLibrary(): Code cleanup
2013-09-16Fix server reconnectionFederico G. Schwindt
In some error cases conn_id will be left as SERVER_WAIT and subsequently ignored in Check_Servers(). Ensure conn_id is set to NONE before returning from New_Server() if we couldn't establish the connection. Prompted by a report from gabrielgi-at-gmail-dot-com.
2013-09-16Don't ignore SSL-related errors during startupAlexander Barton
Without this patch, ngIRCd ignores SSL-related messages and continues to start up but only listens on plain text communication ports -- and this most probably isn't what the administrator wanted ... Closes bug #163.
2013-09-15Cipher list selection for GnuTLSAlexander Barton
This patch implements the missing functionality for cipher list selection using GnuTLS (our OpenSSL code has this already).
2013-09-15ConnSSL_Init_SSL(): correctly set CONN_SSL flagAlexander Barton
The CONN_SSL flag must be set before any calls to ConnSSL_Free()!
2013-09-15Cipher list selection for OpenSSLAlexander Barton
This patch introduces the possibility to arbitrarily select ciphers which should be promoted resp. declined when establishing a SSL connection with a client by implementing the new configuration option "CipherList". By default, OpenSSL would accept low and medium strength and RC-4 ciphers, which nowadays are known to be broken. This patch only implements the feature for OpenSSL. A GnuTLS counterpart has to be implemented in another patch ... Original patch by Bastian <bastian-ngircd@t6l.de>. Closes bug #162.
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