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Stephen Frost 79e594cf04 Fix GSS client to non-GSS server connection
If the client is compiled with GSSAPI support and tries to start up GSS
with the server, but the server is not compiled with GSSAPI support, we
would mistakenly end up falling through to call ProcessStartupPacket
with secure_done = true, but the client might then try to perform SSL,
which the backend wouldn't understand and we'd end up failing the
connection with:

FATAL:  unsupported frontend protocol 1234.5679: server supports 2.0 to 3.0

Fix by arranging to track ssl_done independently from gss_done, instead
of trying to use the same boolean for both.

Author: Andrew Gierth
Discussion: https://postgr.es/m/87h82kzwqn.fsf@news-spur.riddles.org.uk
Backpatch: 12-, where GSSAPI encryption was added.
2020-05-02 11:39:32 -04:00
config Update config.guess and config.sub 2019-04-27 14:25:00 +02:00
contrib Get rid of trailing semicolons in C macro definitions. 2020-05-01 17:28:00 -04:00
doc docs: land height is "elevation", not "altitude" 2020-04-22 16:23:19 -04:00
src Fix GSS client to non-GSS server connection 2020-05-02 11:39:32 -04:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
.gitattributes Add XSL stylesheet to fix up SVG files 2019-06-19 21:26:42 +02:00
.gitignore Support for optimizing and emitting code in LLVM JIT provider. 2018-03-22 11:05:22 -07:00
aclocal.m4 Fix configure's AC_CHECK_DECLS tests to work correctly with clang. 2018-11-19 12:01:47 -05:00
configure Use pkg-config, if available, to locate libxml2 during configure. 2020-03-17 12:09:26 -04:00
configure.in Use pkg-config, if available, to locate libxml2 during configure. 2020-03-17 12:09:26 -04:00
COPYRIGHT Update copyrights for 2020 2020-01-01 12:21:45 -05:00
GNUmakefile.in Integrate cpluspluscheck into build system. 2019-05-31 12:36:17 -07:00
HISTORY Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
Makefile Don't unset MAKEFLAGS in non-GNU Makefile. 2019-06-25 09:36:21 +12:00
README Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
README.git Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00

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/.