mirror of https://github.com/postgres/postgres
Make manual page for pg_passwd from README.
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Bruce Momjian
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1556e62573
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The pathces and a prototype tool to manipulate the ``flat password file
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'' functionality of PostgreSQL6.1
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1. File
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Makefile
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pg_passwd.c the source file of the tool.
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2. How to specify pasword files and their format.
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Specify the password file in the same style of Ident authentication in
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$PGDATA/pg_hba.conf
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host unv 133.65.96.250 255.255.255.255 password passwd
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The above line allows access from 133.65.96.250 using the passwords listed
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in $PGDATA/passwd.
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The format of the password files follows those of /etc/passwd and
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/etc/shadow: the first field is the user name, and the second field
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is the encrypted password. The rest is completely ignored. Thus
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the following three sample lines specify the same user and password pair:.
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pg_guest:/nB7.w5Auq.BY:10031::::::
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pg_guest:/nB7.w5Auq.BY:93001:930::/home/guest:/bin/tcsh
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pg_guest:/nB7.w5Auq.BY:93001
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Note that the original src/backend/libpq/password.c has a bug, which
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disallows the first and the second format. If you want to use these
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formats, please make sure you've applied the patch accompanied with
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this tool.
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3. Usage of pg_passwd
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Supply the password file to the pg_passwd command. In the case described
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above, after ``cd'ing to $PGDATA, the following command execution specify
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the new password for pg_guest:
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% pg_passwd passwd
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Username: pg_guest
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Password:
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Re-enter password:
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where the Password: and Re-enter password: prompts require the same
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password input which are not displayed on the terminal.
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The original password file is renamed to ``passwd.bk''.
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4. How to specify pasasword authentication
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You can use the password authentication fro psq, perl, or pg{tcl,tk}sh.
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4.1 psql
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Use the -u option. Note that the original distribution includes a bug.
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Please make sure you've applied the patch distributed with this tool.
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The following lines show the sample usage of the option:
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% psql -h hyalos -u unv
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Username: pg_guest
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Password:
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Welcome to the POSTGRESQL interactive sql monitor:
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Please read the file COPYRIGHT for copyright terms of POSTGRESQL
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type \? for help on slash commands
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type \q to quit
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type \g or terminate with semicolon to execute query
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You are currently connected to the database: unv
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unv=>
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4.2 perl5
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Use the new style of the Pg.pm like this
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$conn = Pg::connectdb("host=hyalos authtype=password dbname=unv
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user=pg_guest password=xxxxxxx");
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For more details, the users refer to to ``src/pgsql_perl5/Pg.pm''.
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4.3 pg{tcl,tk}sh
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Use the pg_connect comamnd with -conninfo option thus
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% set conn [pg_connect -conninfo \
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"host=hyalos authtype=password dbname=unv \
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user=pg_guest password=xxxxxxx "]
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Use can list all of the keys for the option by executing the following
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command:
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% puts [ pg_conndefaults]
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5. Acknowledgment
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Mr. Ishii, SRA, pointed out the original bugs in the tool. He also
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supplied the Makefile for this distribution.
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-------------------------------------------------------------------------
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July 2, 1997
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Yoshihiko Ichikawa, Dept of Info Sci, Fac of Sci, Ochanomizu University
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E-mail: ichikawa@is.ocha.ac.jp
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PostgreSQL Data Base Management System (formerly known as Postgres, then
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as Postgres95).
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This directory contains the version 6.1 release of the PostgreSQL
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database server. The server is not ANSI SQL compliant, but it gets
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closer with every release. After you unzip and untar the distribution
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file, look at file INSTALL for the installation notes and file HISTORY
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for the changes.
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The latest version of this software may be obtained at
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ftp://ftp.postgresql.org/pub/. For more information look at our WWW
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home page located at http://www.postgreSQL.org/.
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PostgreSQL is not public domain software. It is copyrighted by the
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University of California but may be used according to the licensing
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terms of the the copyright below:
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------------------------------------------------------------------------
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POSTGRES95 Data Base Management System (formerly known as Postgres, then
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as Postgres95).
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Copyright (c) 1994-7 Regents of the University of California
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose, without fee, and without a written agreement
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is hereby granted, provided that the above copyright notice and this
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paragraph and the following two paragraphs appear in all copies.
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IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
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DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
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LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
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DOCUMENTATION, EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS TO
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PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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@ -0,0 +1,116 @@
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.\" This is -*-nroff-*-
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.\" XXX standard disclaimer belongs here....
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.\" $Header: /cvsroot/pgsql/src/man/Attic/pg_passwd.1,v 1.1 1997/09/21 04:54:36 momjian Exp $
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.TH PG_PASSWD UNIX 11/05/95 PostgreSQL PostgreSQL
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.SH NAME
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pg_passwd \(em manipulate the flat password file
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.SH SYNOPSIS
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.BR "pg_passwd password_file"
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.SH DESCRIPTION
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.IR Pg_passwd
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is a tool to manipulate the
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flat password file functionality of PostgreSQL.
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Specify the password file in the same style of Ident authentication in
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.IR $PGDATA/pg_hba.conf :
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.nf
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host unv 133.65.96.250 255.255.255.255 password passwd
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.fi
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The above line allows access from 133.65.96.250 using the passwords listed
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in
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.IR $PGDATA/passwd .
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The format of the password file follows those of
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.IR /etc/passwd
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and
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.IR /etc/shadow .
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The first field is the user name, and the second field
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is the encrypted password.
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The rest is completely ignored.
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Thus the following three sample lines specify the same user and password pair:
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.nf
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pg_guest:/nB7.w5Auq.BY:10031::::::
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pg_guest:/nB7.w5Auq.BY:93001:930::/home/guest:/bin/tcsh
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pg_guest:/nB7.w5Auq.BY:93001
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.fi
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Supply the password file to the pg_passwd command.
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In the case described above, after
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.IR cd "'ing"
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to $PGDATA, the following command execution specify
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the new password for pg_guest:
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.nf
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% pg_passwd passwd
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Username: pg_guest
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Password:
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Re-enter password:
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.fi
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where the
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.IR Password:
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and
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.IR "Re-enter password:"
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prompts require the same password input which are not displayed
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on the terminal.
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The original password file is renamed to
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.BR "passwd.bk" .
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.PP
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.BR "Psql authentication"
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uses the
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.BR -u
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option.
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The following lines show the sample usage of the option:
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.nf
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% psql -h hyalos -u unv
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Username: pg_guest
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Password:
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Welcome to the POSTGRESQL interactive sql monitor:
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Please read the file COPYRIGHT for copyright terms of POSTGRESQL
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type \\? for help on slash commands
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type \\q to quit
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type \\g or terminate with semicolon to execute query
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You are currently connected to the database: unv
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unv=>
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.fi
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.BI "Perl5 authentication"
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uses the new style of the Pg.pm like this:
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.nf
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$conn = Pg::connectdb("host=hyalos authtype=password dbname=unv
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user=pg_guest password=xxxxxxx");
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.fi
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For more details, refer to
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.IR src/pgsql_perl5/Pg.pm .
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.PP
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.BR "Pg{tcl,tk}sh authentication"
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uses the
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.IR pg_connect
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command with the
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.IR -conninfo
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option thus:
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.nf
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% set conn [pg_connect -conninfo \\
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"host=hyalos authtype=password dbname=unv \\
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user=pg_guest password=xxxxxxx "]
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.fi
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Use can list all of the keys for the option by executing the following
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command:
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.nf
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% puts [ pg_conndefaults]
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.fi
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.SH FILES
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.TP 5n
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$PGDATA/pg_hba.conf
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The Host Based Authentication file
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.SH "SEE ALSO"
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psql(1).
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