Michael Paquier 79dfa8afb2 Add bound checks for ssl_min_protocol_version and ssl_max_protocol_version
Mixing incorrect bounds in the SSL context leads to confusing error
messages generated by OpenSSL which are hard to act on.  New range
checks are added when both min/max parameters are loaded in the context
of a SSL reload to improve the error reporting.  Note that this does not
make use of the GUC hook machinery contrary to 41aadee, as there is no
way to ensure a consistent range check (except if there is a way one day
to define range types for GUC parameters?).  Hence, this patch applies
only to OpenSSL, and uses a logic similar to other parameters to trigger
an error when reloading the SSL context in a session.

Author: Michael Paquier
Reviewed-by: Daniel Gustafsson
Discussion: https://postgr.es/m/20200114035420.GE1515@paquier.xyz
2020-03-23 11:01:41 +09:00
2019-12-18 09:13:13 +01:00
2019-11-12 08:13:55 +01:00
2020-01-01 12:21:45 -05:00
2020-02-10 20:47:50 +01:00
2020-02-10 20:47:50 +01:00
2020-02-10 20:47:50 +01:00

PostgreSQL Database Management System
=====================================

This directory contains the source code distribution of the PostgreSQL
database management system.

PostgreSQL is an advanced object-relational database management system
that supports an extended subset of the SQL standard, including
transactions, foreign keys, subqueries, triggers, user-defined types
and functions.  This distribution also contains C language bindings.

PostgreSQL has many language interfaces, many of which are listed here:

	https://www.postgresql.org/download/

See the file INSTALL for instructions on how to build and install
PostgreSQL.  That file also lists supported operating systems and
hardware platforms and contains information regarding any other
software packages that are required to build or run the PostgreSQL
system.  Copyright and license information can be found in the
file COPYRIGHT.  A comprehensive documentation set is included in this
distribution; it can be read as described in the installation
instructions.

The latest version of this software may be obtained at
https://www.postgresql.org/download/.  For more information look at our
web site located at https://www.postgresql.org/.
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