unit & libunit: update to 1.25.0

Changes with Unit 1.25.0                                         19 Aug 2021

    *) Feature: client IP address replacement from a specified HTTP header
       field.

    *) Feature: TLS sessions cache.

    *) Feature: TLS session tickets.

    *) Feature: application restart control.

    *) Feature: process and thread lifecycle hooks in Ruby.

    *) Bugfix: the router process could crash on TLS connection open when
       multiple listeners with TLS certificates were configured; the bug had
       appeared in 1.23.0.

    *) Bugfix: TLS connections were rejected for configurations with
       multiple certificate bundles in a listener if the client did not use
       SNI.

    *) Bugfix: the router process could crash with frequent mutithreaded
       application reconfiguration.

    *) Bugfix: compatibility issues with some Python ASGI apps, notably
       based on the Starlette framework.

    *) Bugfix: a descriptor and memory leak occurred in the router process
       when an app process stopped or crashed.

    *) Bugfix: the controller or router process could crash if the
       configuration contained a full-form IPv6 in a listener address.

    *) Bugfix: the router process crashed when a request was passed to an
       empty "routes" or "upstreams" using a variable "pass" option.

    *) Bugfix: the router process crashed while matching a request to an
       empty array of source or destination address patterns.

Changes with Unit 1.24.0                                         27 May 2021

    *) Change: PHP added to the default MIME type list.

    *) Feature: arbitrary configuration of TLS connections via OpenSSL
       commands.

    *) Feature: the ability to limit static file serving by MIME types.

    *) Feature: support for chrooting, rejecting symlinks, and rejecting
       mount point traversal on a per-request basis when serving static
       files.

    *) Feature: a loader for automatically overriding the "http" and
       "websocket" modules in Node.js.

    *) Feature: multiple "targets" in Python applications.

    *) Feature: compatibility with Ruby 3.0.

    *) Bugfix: the router process could crash while closing a TLS
       connection.

    *) Bugfix: a segmentation fault might have occurred in the PHP module if
       fastcgi_finish_request() was used with the "auto_globals_jit" option
       enabled.

Changes with Unit 1.23.0                                         25 Mar 2021

    *) Feature: support for multiple certificate bundles on a listener via
       the Server Name Indication (SNI) TLS extension.

    *) Feature: "--mandir" ./configure option to specify the directory for
       man page installation.

    *) Bugfix: the router process could crash on premature TLS connection
       close; the bug had appeared in 1.17.0.

    *) Bugfix: a connection leak occurred on premature TLS connection close;
       the bug had appeared in 1.6.

    *) Bugfix: a descriptor and memory leak occurred in the router process
       when processing small WebSocket frames from a client; the bug had
       appeared in 1.19.0.

    *) Bugfix: a descriptor leak occurred in the router process when
       removing or reconfiguring an application; the bug had appeared in
       1.19.0.

    *) Bugfix: persistent storage of certificates might've not worked with
       some filesystems in Linux, and all uploaded certificate bundles were
       forgotten after restart.

    *) Bugfix: the controller process could crash while requesting
       information about a certificate with a non-DNS SAN entry.

    *) Bugfix: the controller process could crash on manipulations with a
       certificate containing a SAN and no standard name attributes in
       subject or issuer.

    *) Bugfix: the Ruby module didn't respect the user locale for defaults
       in the Encoding class.

    *) Bugfix: the PHP 5 module failed to build with thread safety enabled;
       the bug had appeared in 1.22.0.


(gutteridge)