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After calling ldap_unbind_s() we probably shouldn't try to use the LDAP connection again to call ldap_get_option(), even if it failed. The OpenLDAP man page for ldap_unbind[_s] says "Once it is called, the connection to the LDAP server is closed, and the ld structure is invalid." Otherwise, as a general rule we should probably call ldap_unbind() before returning in all paths to avoid leaking resources. It is unlikely there is any practical leak problem since failure to authenticate currently results in the backend exiting soon afterwards. Author: Thomas Munro Reviewed-By: Alvaro Herrera, Peter Eisentraut Discussion: https://postgr.es/m/20170914141205.eup4kxzlkagtmfac%40alvherre.pgsql
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/.