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If the process token contains SECURITY_SERVICE_RID, but it has been disabled by the SE_GROUP_USE_FOR_DENY_ONLY attribute, win32_is_service() would incorrectly report that we're running as a service. That situation arises, e.g. if postmaster is launched with a restricted security token, with the "Log in as Service" privilege explicitly removed. Replace the broken code with CheckProcessTokenMembership(), which does this correctly. Also replace similar code in win32_is_admin(), even though it got this right, for simplicity and consistency. Per bug #13755, reported by Breen Hagan. Back-patch to all supported versions. Patch by Takayuki Tsunakawa, reviewed by Michael Paquier. Discussion: https://www.postgresql.org/message-id/20151104062315.2745.67143%40wrigleys.postgresql.org
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: http://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 http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.