UnrealIRCd 6.1.6 released

[Bram M. <sy...@un...>]

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Hi everyone,

Today I'm happy to announce the release of UnrealIRCd 6.1.6 stable. This 
is mostly a bug fix release but also comes with some enhancements. More 
information in the release notes below.


      Enhancements:

<https://github.com/unrealircd/unrealircd/blob/dd2242b6a80b50e1defcc85ed1e7aee3b96972a8/doc/RELEASE-NOTES.md#enhancements>

  * Crule <https://www.unrealircd.org/docs/Crule> functions can now do
    everything that security group blocks
    <https://www.unrealircd.org/docs/Security-group_block> can do.
    In practice, this means the following functions were added in this
    release:
      o |is_tls()| returns true if the client is using SSL/TLS
      o |in_security_group('known-users')| returns true if the user is
        in the specified security group
        <https://www.unrealircd.org/docs/Security-group_block>.
      o |match_mask('*@*.example.org')| or |match_mask('*.example.org')|
        returns true if client matches mask.
      o |match_ip('192.168.*')| or with CIDR like
        |match_ip('192.168.0.0/16')| returns true if IP address of
        client matches.
      o |is_identified()| which returns true if the client is identified
        to a services account.
      o |is_webirc()| which returns true if the client is connected
        using WEBIRC.
      o |is_websocket()| which returns true if the client is connected
        using WebSockets.
      o |match_realname('*xyz*')| which returns true if the real name
        (gecos) contains xyz.
      o |match_account('xyz')| which returns true if the services
        account name is xyz.
      o |match_country('NL')| which returns true if GeoIP
        <https://www.unrealircd.org/docs/GeoIP> determined the country
        to be NL.
      o |match_certfp('abc')| which returns true if the Certificate
        fingerprint
        <https://www.unrealircd.org/docs/Certificate_fingerprint> is abc.


      Changes:

<https://github.com/unrealircd/unrealircd/blob/dd2242b6a80b50e1defcc85ed1e7aee3b96972a8/doc/RELEASE-NOTES.md#changes>

  * For many years |REHASH -all| is the same as |REHASH| so we now
    reject the former.
  * The Crule <https://www.unrealircd.org/docs/Crule> function
    |inchannel('#xyz')| is now called |in_channel('#xyz')| to match the
    naming style of the other functions. The old name will keep working
    for the entire UnrealIRCd 6 series too.


      Fixes:

<https://github.com/unrealircd/unrealircd/blob/dd2242b6a80b50e1defcc85ed1e7aee3b96972a8/doc/RELEASE-NOTES.md#fixes>

  * Crash if you first REHASH and have a parse error (failed rehash 1)
    and then REHASH again but have a "late" rehash error, such as a
    remote include failing to load (failed rehash 2).
  * Crash on Windows when using Crule
    <https://www.unrealircd.org/docs/Crule> functions, Central
    Spamreport <https://www.unrealircd.org/docs/Central_spamreport> or
    Central Spamfilter <https://www.unrealircd.org/docs/Central_Spamfilter>.
  * Conditional config
    <https://www.unrealircd.org/docs/Defines_and_conditional_config>:
    using @if with a variable like |@if $VAR == "something"| always
    evaluated to false.
  * A |~forward|
    <https://www.unrealircd.org/docs/Extended_bans#Group_2:_actions> ban
    did not check ban exemptions (+e), always forwarding the user.
  * When booting for the first time (without any cached files) the IRCd
    downloads GeoIP.dat. If that fails, e.g. due to lack of internet
    connectivity, we now show a warning and continue booting instead of
    it being a hard error. Note that we already dealt with this properly
    after the file has been cached (so after first download), see "What
    if your web server is down" in Remote includes
    <https://www.unrealircd.org/docs/Remote_includes#What_if_your_web_server_is_down>.


      Removed:

  * The |tls-and-known-users| security group
    <https://www.unrealircd.org/docs/Security-group_block> was
    confusing, in the sense that this group consisted of tls-users and
    of known-users (in an OR fashion, not AND). Since this group is
    rarely used it has now been removed altogether. If you used it in
    your configuration then you can still manually (re)create the
    security group with:
    |security-group tls-and-known-users { identified yes;
    reputation-score 25; tls yes; }|


      Developers and protocol:

<https://github.com/unrealircd/unrealircd/blob/dd2242b6a80b50e1defcc85ed1e7aee3b96972a8/doc/RELEASE-NOTES.md#developers-and-protocol>

  * Modules can now provide SASL locally, see Dev:Authentication module
    <https://www.unrealircd.org/docs/Dev:Authentication_module>.

As always, you can download UnrealIRCd from https://www.unrealircd.org/. 
On *NIX you can upgrade with: ./unrealircd upgrade