UnrealIRCd 6.1.3-rc1 available for testing

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

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Hi everyone,

The release candidate for 6.1.3 is now available. Help with testing this 
release would be greatly appreciated. Last time the 6.1.2-rc's were 
undertested, which resulted in needing several 6.1.2 fix releases (up to 
6.1.2.3). If you find anything, you can report the bug at 
https://bugs.unrealircd.org<https://bugs.unrealircd.org>.

The main focus of this release is adding countermeasures against large 
scale spam/drones. We do this by offering a central API which can be 
used for accessing Central Blocklist, Central Spamreport and Central 
Spamfilter. See the release notes below.


      Enhancements:

  * Central anti-spam services:
      o The services from below require a central-api key, which you can
        request here <https://www.unrealircd.org/central-api/>.
      o Central Blocklist
        <https://www.unrealircd.org/docs/Central_Blocklist> is an
        attempt to detect and block spammers. It works similar to DNS
        Blacklists but the central blocklist receives many more details
        about the user that is trying to connect and therefore can make
        a better decision on whether a user is likely a spammer.
      o Central Spamreport
        <https://www.unrealircd.org/docs/Central_spamreport> allows you
        to send spam reports (user details, last sent lines) via the
        |SPAMREPORT| command. This information may then be used to
        improve Central Blocklist
        <https://www.unrealircd.org/docs/Central_Blocklist> and/or
        Central Spamfilter
        <https://www.unrealircd.org/docs/Central_Spamfilter>.
      o The Central Spamfilter
        <https://www.unrealircd.org/docs/Central_Spamfilter>, which
        provides spamfilter { } blocks that are centrally managed, is
        now fetched from a different URL if you have an Central API key
        set. This way, we can later provide spamfilter { } blocks that
        build on central blocklist scoring functionality, and also so we
        don't have to reveal all the central spamfilter blocks to the world.
  * New option |auto| for set::hide-ban-reason
    <https://www.unrealircd.org/docs/Set_block#set::hide-ban-reason>,
    which is now the default. This will hide the *LINE reason to other
    users if the *LINE reason contains the IP of the user, for example
    when it contains a DroneBL URL which has |lookup?ip=XXX|. This to
    protect the privacy of the user. Other possible settings are |no|
    (never hide, the previous default) and |yes| to always hide the
    *LINE reason. In all cases the user affected by the server ban can
    still see the reason and IRCOps too.
  * Make Deny channel
    <https://www.unrealircd.org/docs/Deny_channel_block> support escaped
    sequences like |channel "#xyz\*";| so you can match a literal |*| or
    |?| via |\*| and |\?|.
  * New option listen::options::websocket::allow-origin
    <https://www.unrealircd.org/docs/Listen_block#options_block_(optional)>:
    this allows to restrict websocket connections to a list of websites
    (the sites hosting the HTML/JS page that makes the websocket
    connection). It doesn't /securely/ restrict it though, non-browsers
    will bypass this restriction, but it can still be useful to restrict
    regular webchat users.
  * The Proxy block <https://www.unrealircd.org/docs/Proxy_block>
    already had support for reverse proxying with the |Forwarded|
    header. Now it also properly supports |X-Forwarded-For|. If you
    previously used a proxy block with type |web|, then you now need to
    choose one of the new types explicitly. Note that using a reverse
    proxy for IRC traffic is rare (see the proxy block docs for
    details), but we offer the option.


      Changes:

  * Reserve more file descriptors for internal use. For example, when
    there are 10,000 fd's are available we now reserve 250, and when
    2048 are available we reserve 32. This so we have more fd's
    available to handle things like log files, do HTTPS callbacks to
    blacklists, etc.
  * Get rid of compiler check for modules vs core, this is mostly an
    issue when you are upgrading a system (eg. Linux distro) and it
    would previously make REHASHing impossible after such an upgrade.
    Though, if you are doing a major distro upgrade you can still be
    bitten by things like library removals such as major openssl upgrades.
  * Make |$client.details| in logs follow the ident rules for users in
    the handshake too, so use the |~| prefix if ident lookups are
    enabled and identd fails etc.
  * More validation for operclass names (a-zA-Z0-9_-)
  * Hits for central-blocklist are now broadcasted globally instead of
    staying on the same server.


      Fixes:

  * Crash issue when a module is reloaded (not unloaded) and that module
    no longer provides a particular moddata object, e.g. because it was
    renamed or no longer needed. This is rare, but did happen for one
    third party module recently.
  * The crash reporter was no longer able to submit reports.
  * Module manager <https://www.unrealircd.org/docs/Module_manager> fixes
  * For people running git versions, who did not use 'make clean', 3rd
    party modules were not always automatically recompiled, causing
    potential problems such as crashes.
  * Fix memory leak when unloading a module for good and that module
    provided ModData objects for "unknown users" (users still in the
    handshake).
  * Don't ask to generate TLS certificate if one already exists (issue
    introduced in 6.1.2).


      Developers and protocol:

  * New hooks: |HOOKTYPE_WATCH_ADD|, |HOOKTYPE_WATCH_DEL|,
    |HOOKTYPE_MONITOR_NOTIFICATION|.
  * The hook |HOOKTYPE_IS_HANDSHAKE_FINISHED| is now properly called at
    all places.
  * A new URL API <https://www.unrealircd.org/docs/Dev:URL_API> to
    easily fetch URLs from modules.

You can download UnrealIRCd from https://www.unrealircd.org/