mirror of https://github.com/postgres/postgres
Marc G. Fournier
30 years ago
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.\" This is -*-nroff-*- |
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.\" XXX standard disclaimer belongs here.... |
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.\" $Header: /cvsroot/pgsql/doc/man/Attic/files.5,v 1.1.1.1 1996/08/18 22:14:24 scrappy Exp $ |
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.TH INFORMATION FILES 01/23/93 Postgres95 Postgres95 |
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.SH "Section 8 \(em Files" |
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.SH "General Information" |
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.SH OVERVIEW |
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This section describes |
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some of the important files used by Postgres. |
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.SH NOTATION |
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\*(lq.../\*(rq at the front of file names represents the path to the |
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postgres user's home directory. Anything in square brackets |
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.RB (\*(lq "[" \*(rq |
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and |
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.RB \*(lq "]" \*(rq) |
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is optional. |
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Anything in braces |
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.RB (\*(lq "{" \*(rq |
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and |
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.RB \*(lq "}" \*(rq) |
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can be repeated 0 or more times. Parentheses |
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.BR (\*(lq "(" \*(rq |
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and |
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.BR \*(lq ")" \*(rq) |
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are used to group boolean expressions. |
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.BR | |
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is the boolean operator |
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.SM OR\c |
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\&. |
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.SH BUGS |
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The descriptions of |
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.nf |
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.../data/PG_VERSION, |
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.../data/base/*/PG_VERSION, |
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.fi |
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the temporary sort files, and the database debugging trace files are |
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absent. |
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.\" This is -*-nroff-*- |
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.\" XXX standard disclaimer belongs here.... |
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.\" $Header: /cvsroot/pgsql/doc/man/Attic/pg_hba.5,v 1.1.1.1 1996/08/18 22:14:26 scrappy Exp $ |
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.TH PG_HBA FILES 01/20/96 Postgres95 Postgres95 |
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.SH NAME |
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$PGDATA/pg_hba \(em host-based access control |
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.SH DESCRIPTION |
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Postgres provides host-based access control through the file |
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.BR "pg_hba". |
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This file is stored in $PGDATA and should have proper file permissions |
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so that casual users cannot modify it. The file stores permissions |
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information about which hosts are authorized to access databases. |
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.PP |
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The file consists of lines of three columns. The first column lists the |
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name of the database. The second column lists the IP address of clients |
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machines that are authorized to connect, and the third column provides a |
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bit mask for the IP address. Lines which begin with '#' are considered |
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comments. |
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.PP |
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The keyword "all" can be used to apply to all database names. Each |
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column can contain strings of at most 80 characters, and each database |
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may have up to 255 configuration lines that apply. (80 and 255 are |
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constants that can be changed at Postgres compile time by altering the |
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#defines MAX_TOKEN and MAX_LINES in src/backend/libpq/auth.c) |
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.PP |
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Below is the default pg_hba file that is installed. |
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.nf |
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# |
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# Example config file for Postgres95 host based access |
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# |
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# Lines starting with "all" apply to all databases. Otherwise the first |
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# column has to match the name of the database being connected to. Up to |
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# ten config lines can apply to each database. Mask specifies bits that |
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# aren't counted. After those bits are taken out, the connection address |
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# must match the address in the middle column. |
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# |
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# <name> <address> <mask> |
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# |
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all 127.0.0.1 0.0.0.0 |
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.fi |
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.SH "SEE ALSO" |
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introduction(1). |
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|
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.\" This is -*-nroff-*- |
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.\" $Header: /cvsroot/pgsql/doc/man/Attic/pg_hba.conf.5,v 1.1 1996/11/09 10:29:49 scrappy Exp $ |
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.TH pg_hba.conf 5 11/04/96 Postgres Postgres |
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.SH NAME |
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$PGDATA/pg_hba.conf |
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.SH DESCRIPTION |
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"Host-based access control" is the name for the basic controls Postgres |
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exercises on what clients are allowed to access a database system. |
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It is called that because one of the factors that can control access is |
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from what host the client is connecting. |
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.PP |
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Each database system contains a file named "pg_hba.conf", in its PGDATA |
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directory, that controls who can connect to that database system. |
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.PP |
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The exact format of the pg_hba.conf file is described in the comments at |
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the top of the sample file pg_hba.conf.sample, which resides in the |
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Postgres "library" directory. |
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|
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.SH "SEE ALSO" |
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introduction(1). |
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|
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.\" This is -*-nroff-*- |
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.\" XXX standard disclaimer belongs here.... |
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.\" $Header: /cvsroot/pgsql/doc/man/Attic/template.5,v 1.1.1.1 1996/08/18 22:14:28 scrappy Exp $ |
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.TH TEMPLATE FILES 01/23/93 Postgres95 Postgres95 |
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.SH Template |
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.SH NAME |
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\&.../data/files/global1.bki \(em global database template |
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.br |
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\&.../data/files/local1_XXX.bki \(em local database template |
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.br |
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\&.../data/files/template1/* \(em default database template |
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.SH DESCRIPTION |
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These files contain scripts which direct the construction of |
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databases. Note that the \*(lqglobal1.bki\*(rq and |
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\*(lqtemplate1_local.bki\*(rq files are installed automatically when |
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the Postgres super-user runs |
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.IR initdb . |
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These files are copied from |
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.nf |
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\&.../src/backend/obj/{dbdb,local}.bki |
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.fi |
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The databases which are generated by the template scripts are normal |
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databases. Consequently, you can use the terminal monitor or some |
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other frontend on a template database to simplify the customization |
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task. That is, there is no need to express everything about your |
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desired initial database state using a BKI template script, because |
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the database state can be tuned interactively. |
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.PP |
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The system catalogs consist of classes of two types: global and local. |
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There is one copy of each global class that is shared among all |
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databases at a site. Local classes, on the other hand, are not |
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accessible except from their own database. |
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.PP |
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The file |
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.nf |
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\&.../data/files/global1.bki |
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.fi |
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specifies the process used in the creation of global (shared) classes |
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by |
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.IR createdb . |
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Similarly, the |
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.nf |
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\&.../files/local1_XXX.bki |
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.fi |
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files specify the process used in the creation of local (unshared) |
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catalog classes for the \*(lqXXX\*(rq template database. |
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\*(lqXXX\*(rq may be any string of 16 or fewer printable characters. |
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If no template is specified in a |
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.IR createdb |
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command, |
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then the template in |
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.nf |
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\&.../files/local1_template1.bki |
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.fi |
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is used. |
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.PP |
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The .bki files are generated from C source code by an inscrutable set |
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of AWK scripts. |
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.SH BUGS |
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Postgres Version \*(PV does not permit users to have separate template |
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databases. |
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.SH "SEE ALSO" |
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bki(files), |
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initdb(1), |
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createdb(1). |
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