for this is that system argon2 is often much slower (2x slower
on Ubuntu and Debian, for instance), which is not good.
You can still use the system library with the configure option:
--with-system-argon2
Actually I presume 'make install' properly removes the file first
before installing a new one, but.. not entirely sure. Better safe
than sorry.
We have had new reports of someone who had the original UnrealIRCd
crash while building the new UnrealIRCd. Similar to what we had
a few years ago, which was caused by a 'cp' instead of an rm+cp.
This because with simple cp the existing file contents is changed
and the processes holding the .so file open (usually mmapped)
suddenly have the new .so file loaded in effect, which causes a
crash whenever next function is called in that library.
We now rm explicit before 'make install' so running processes
simply have that fd point to a deleted file, which is fine.
for OpenSSL 1.0.2 anymore, 1.0.2 will use the fallback version.
This changes the include file.
(OpenSSL 1.0.2 is out of support since Jan 1 2020 so one may wonder
why care at all, but i'm trying not to break that during minor
UnrealIRCd releases)
This was previously tried at 19-apr-2020 in bc70882bd3
in UnrealIRCd 5.0.5. Sadly it had to be reverted immediately with a quick 5.0.5.1
release, all because of a PCRE2 100% CPU usage. Since then that bug has been fixed,
plus another bug. I'm now readding it "as an option" that is marked experimental.
Hopefully people test it out and can report back if it works well and then we can
make it the default someday.
This makes it a runtime setting so makes it much easier to switch back/forth if
there are any issues without recompiling anything. Had to use a bit more code now
though to handle the recompiling of spamfilters if the setting is changed.
Original issue was https://bugs.unrealircd.org/view.php?id=5187
* [Spamfilter](https://www.unrealircd.org/docs/Spamfilter) can be made UTF8-aware.
* This is experimental, to enable: `set { spamfilter { utf8 yes; } }``
* Case insensitive matches will then work better. For example, with extended
Latin, a spamfilter on `ę` then also matches `Ę`.
* Other PCRE2 features such as [\p](https://www.pcre.org/current/doc/html/pcre2syntax.html#SEC5)
can then be used. For example you can then set a spamfilter with the regex
`\p{Arabic}` to block all Arabic script.
Please do use these new tools with care. Blocking an entire language
or script is quite a drastic measure.
* As a consequence of this we require PCRE2 10.36 or newer. If your system
PCRE2 is older than this will mean the UnrealIRCd-shipped-library version
will be compiled and `./Config` may take a little longer than usual.
This fixes the fix in 8d228f5dbe.
(--enable-opt in sodium enables additional CPU-specific optimization,
--enable-opt in jansson does not exist and raised a warning)
This fixes a possible crash when using RPC with unix domain sockets,
reported by Valware.
This also adds a configure check so we use our own strlncat if the
C library does not have one, e.g. some non-Linux.
Bram Matthys