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Storing passwords in plaintext hasn't been a good idea for a very long time, if ever. Now seems like a good time to finally forbid it, since we're messing with this in PostgreSQL 10 anyway. Remove the CREATE/ALTER USER UNENCRYPTED PASSSWORD 'foo' syntax, since storing passwords unencrypted is no longer supported. ENCRYPTED PASSWORD 'foo' is still accepted, but ENCRYPTED is now just a noise-word, it does the same as just PASSWORD 'foo'. Likewise, remove the --unencrypted option from createuser, but accept --encrypted as a no-op for backward compatibility. AFAICS, --encrypted was a no-op even before this patch, because createuser encrypted the password before sending it to the server even if --encrypted was not specified. It added the ENCRYPTED keyword to the SQL command, but since the password was already in encrypted form, it didn't make any difference. The documentation was not clear on whether that was intended or not, but it's moot now. Also, while password_encryption='on' is still accepted as an alias for 'md5', it is now marked as hidden, so that it is not listed as an accepted value in error hints, for example. That's not directly related to removing 'plain', but it seems better this way. Reviewed by Michael Paquier Discussion: https://www.postgresql.org/message-id/16e9b768-fd78-0b12-cfc1-7b6b7f238fde@iki.fi |
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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/.