661 lines
21 KiB
Bash
661 lines
21 KiB
Bash
#!/bin/sh
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# To view the formatted manual page of this file, type:
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# POSTFIXSOURCE/mantools/srctoman - post-install | nroff -man
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#++
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# NAME
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# post-install
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# SUMMARY
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# Postfix post-installation script
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# SYNOPSIS
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# post-install [name=value] command ...
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# DESCRIPTION
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# The post-install script performs the finishing touch of a Postfix
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# installation, after the executable programs and configuration
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# files are installed. Usage is one of the following:
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# .IP o
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# While installing Postfix from source code on the local machine, the
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# script is run by the postfix-install script to update selected file
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# or directory permissions and to update Postfix configuration files.
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# .IP o
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# While installing Postfix from a pre-built package, the script is run
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# by the package management procedure to set all file or directory
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# permissions and to update Postfix configuration files.
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# .IP o
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# The script can be used to change installation parameter settings such
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# as mail_owner or setgid_group after Postfix is already installed.
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# .IP o
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# The script can be used to upgrade configuration files and to upgrade
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# file/directory permissions of a secondary Postfix instance.
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# .IP o
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# At Postfix start-up time, the script is run from "postfix check" to
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# create missing queue directories.
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# .PP
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# The post-install script is controlled by installation parameters.
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# Specific parameters are described at the end of this document.
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# All installation parameters must be specified ahead of time via
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# one of the methods described below.
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#
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# Arguments
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# .IP create-missing
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# Create missing queue directories with ownerships and permissions
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# according to the contents of $config_directory/postfix-files, using
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# the mail_owner and setgid_group parameter settings from the command
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# line, process environment or from the installed main.cf file.
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#
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# This is required at Postfix start-up time.
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# .IP set-permissions
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# Set all file/directory ownerships and permissions according to the
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# contents of $config_directory/postfix-files, using the mail_owner
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# and setgid_group parameter settings from the command line, process
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# environment or from the installed main.cf file. Implies create-missing.
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#
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# This is required when installing Postfix from a pre-built package,
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# or when changing the mail_owner or setgid_group installation parameter
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# settings after Postfix is already installed.
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# .IP upgrade-permissions
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# Update ownership and permission of existing files/directories as
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# specified in $config_directory/postfix-files, using the mail_owner
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# and setgid_group parameter settings from the command line, process
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# environment or from the installed main.cf file. Implies create-missing.
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#
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# This is required when upgrading an existing Postfix instance.
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# .IP upgrade-configuration
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# Edit the installed main.cf and master.cf files, in order to account
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# for missing services and to fix deprecated parameter settings.
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#
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# This is required when upgrading an existing Postfix instance.
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# .IP upgrade-source
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# Short-hand for: upgrade-permissions upgrade-configuration.
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#
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# This is recommended when upgrading Postfix from source code.
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# .IP upgrade-package
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# Short-hand for: set-permissions upgrade-configuration.
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#
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# This is recommended when upgrading Postfix from a pre-built package.
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# .IP first-install-reminder
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# Remind the user that they still need to configure main.cf and the
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# aliases file, and that newaliases still needs to be run.
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#
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# This is recommended when Postfix is installed for the first time.
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# MULTIPLE POSTFIX INSTANCES
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# .ad
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# .fi
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# Multiple Postfix instances on the same machine can share command and
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# daemon program files but must have separate configuration and queue
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# directories.
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#
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# To create a secondary Postfix installation on the same machine,
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# copy the configuration files from the primary Postfix instance to
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# a secondary configuration directory and execute:
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#
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# post-install config_directory=secondary-config-directory \e
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# .in +4
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# queue_directory=secondary-queue-directory \e
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# .br
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# create-missing
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# .PP
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# This creates secondary Postfix queue directories, sets their access
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# permissions, and saves the specified installation parameters to the
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# secondary main.cf file.
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#
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# Be sure to list the secondary configuration directory in the
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# alternate_config_directories parameter in the primary main.cf file.
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#
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# To upgrade a secondary Postfix installation on the same machine,
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# execute:
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#
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# post-install config_directory=secondary-config-directory \e
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# .in +4
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# upgrade-permissions upgrade-configuration
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# INSTALLATION PARAMETER INPUT METHODS
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# .ad
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# .fi
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# Parameter settings can be specified through a variety of
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# mechanisms. In order of decreasing precedence these are:
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# .IP "command line"
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# Parameter settings can be given as name=value arguments on
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# the post-install command line. These have the highest precedence.
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# Settings that override the installed main.cf file are saved.
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# .IP "process environment"
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# Parameter settings can be given as name=value environment
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# variables.
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# Settings that override the installed main.cf file are saved.
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# .IP "installed configuration files"
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# If a parameter is not specified via the command line or via the
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# process environment, post-install will attempt to extract its
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# value from the already installed Postfix main.cf configuration file.
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# These settings have the lowest precedence.
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# INSTALLATION PARAMETER DESCRIPTION
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# .ad
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# .fi
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# The description of installation parameters is as follows:
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# .IP config_directory
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# The directory for Postfix configuration files.
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# .IP daemon_directory
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# The directory for Postfix daemon programs. This directory
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# should not be in the command search path of any users.
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# .IP command_directory
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# The directory for Postfix administrative commands. This
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# directory should be in the command search path of adminstrative users.
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# .IP queue_directory
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# The directory for Postfix queues.
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# .IP sendmail_path
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# The full pathname for the Postfix sendmail command.
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# This is the Sendmail-compatible mail posting interface.
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# .IP newaliases_path
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# The full pathname for the Postfix newaliases command.
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# This is the Sendmail-compatible command to build alias databases
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# for the Postfix local delivery agent.
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# .IP mailq_path
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# The full pathname for the Postfix mailq command.
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# This is the Sendmail-compatible command to list the mail queue.
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# .IP mail_owner
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# The owner of the Postfix queue. Its numerical user ID and group ID
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# must not be used by any other accounts on the system.
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# .IP setgid_group
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# The group for mail submission and for queue management commands.
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# Its numerical group ID must not be used by any other accounts on the
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# system, not even by the mail_owner account.
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# .IP html_directory
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# The directory for the Postfix HTML files.
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# .IP manpage_directory
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# The directory for the Postfix on-line manual pages.
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# .IP sample_directory
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# The directory for the Postfix sample configuration files.
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# .IP readme_directory
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# The directory for the Postfix README files.
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# SEE ALSO
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# postfix-install(1) Postfix primary installation script.
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# FILES
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# $config_directory/main.cf, Postfix installation parameters.
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# $config_directory/postfix-files, installation control file.
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# $config_directory/install.cf, obsolete configuration file.
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# LICENSE
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# .ad
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# .fi
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# The Secure Mailer license must be distributed with this software.
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# AUTHOR(S)
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# Wietse Venema
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# IBM T.J. Watson Research
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# P.O. Box 704
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# Yorktown Heights, NY 10598, USA
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#--
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umask 022
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PATH=/bin:/usr/bin:/usr/sbin:/usr/etc:/sbin:/etc:/usr/contrib/bin:/usr/gnu/bin:/usr/ucb:/usr/bsd
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SHELL=/bin/sh
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IFS="
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"
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BACKUP_IFS="$IFS"
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USAGE="Usage: $0 [name=value] command
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create-missing Create missing queue directories.
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upgrade-source When installing or upgrading from source code.
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upgrade-package When installing or upgrading from pre-built package.
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first-install-reminder Remind of mandatory first-time configuration steps.
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name=value Specify an installation parameter".
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# Process command-line options and parameter settings. Work around
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# brain damaged shells. "IFS=value command" should not make the
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# IFS=value setting permanent. But some broken standard allows it.
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create=; set_perms=; upgrade_perms=; upgrade_conf=; first_install_reminder=
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obsolete=; keep_list=;
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for arg
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do
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case $arg in
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*=*) IFS= eval $arg; IFS="$BACKUP_IFS";;
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create-missing) create=1;;
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set-perm*) create=1; set_perms=1;;
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upgrade-perm*) create=1; upgrade_perms=1;;
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upgrade-conf*) upgrade_conf=1;;
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upgrade-source) create=1; upgrade_conf=1; upgrade_perms=1;;
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upgrade-package) create=1; upgrade_conf=1; set_perms=1;;
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first-install*) first_install_reminder=1;;
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*) echo "$0: Error: $USAGE" 1>&2; exit 1;;
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esac
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shift
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done
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# Sanity checks.
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test -n "$create$upgrade_conf$first_install_reminder" || {
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echo "$0: Error: $USAGE" 1>&2
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exit 1
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}
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# Bootstrapping problem.
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if [ -n "$command_directory" ]
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then
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POSTCONF="$command_directory/postconf"
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else
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POSTCONF="postconf"
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fi
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$POSTCONF -d mail_version >/dev/null 2>/dev/null || {
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echo $0: Error: no $POSTCONF command found. 1>&2
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echo Re-run this command as $0 command_directory=/some/where. 1>&2
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exit 1
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}
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test -n "$config_directory" ||
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config_directory=`$POSTCONF -d -h config_directory` || exit 1
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test -d "$config_directory" || {
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echo $0: Error: $config_directory is not a directory. 1>&2
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exit 1
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}
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test -f $config_directory/postfix-files || {
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echo $0: Error: $config_directory/postfix-files is not a file. 1>&2
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exit 1
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}
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# SunOS5 fmt(1) truncates lines > 1000 characters.
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fake_fmt() {
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sed '
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:top
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/^\( *\)\([^ ][^ ]*\) */{
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s//\1\2\
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\1/
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P
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D
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b top
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}
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' | fmt
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}
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case `uname -s` in
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HP-UX*) FMT=cat;;
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SunOS*) FMT=fake_fmt;;
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*) FMT=fmt;;
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esac
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# If a parameter is not set via the command line or environment,
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# try to use settings from installed configuration files.
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# Extract parameter settings from the obsolete install.cf file, as
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# a transitional aid.
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grep setgid_group $config_directory/main.cf >/dev/null 2>&1 || {
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test -f $config_directory/install.cf && {
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for name in sendmail_path newaliases_path mailq_path setgid manpages
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do
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eval junk=\$$name
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case "$junk" in
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"") eval unset $name;;
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esac
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eval : \${$name="\`. $config_directory/install.cf; echo \$$name\`"} \
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|| exit 1
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done
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: ${setgid_group=$setgid}
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: ${manpage_directory=$manpages}
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}
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}
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# Extract parameter settings from the installed main.cf file.
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test -f $config_directory/main.cf && {
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for name in daemon_directory command_directory queue_directory mail_owner \
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setgid_group sendmail_path newaliases_path mailq_path \
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html_directory manpage_directory sample_directory readme_directory
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do
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eval junk=\$$name
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case "$junk" in
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"") eval unset $name;;
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esac
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eval : \${$name=\`$POSTCONF -c $config_directory -h $name\`} || exit 1
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done
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}
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# Sanity checks
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case $manpage_directory in
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no) echo $0: Error: manpage_directory no longer accepts \"no\" values. 1>&2
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echo Try again with \"$0 manpage_directory=/pathname ...\". 1>&2; exit 1;;
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esac
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case $setgid_group in
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no) echo $0: Error: setgid_group no longer accepts \"no\" values. 1>&2
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echo Try again with \"$0 setgid_group=groupname ...\" 1>&2; exit 1;;
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esac
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for path in "$daemon_directory" "$command_directory" "$queue_directory" \
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"$sendmail_path" "$newaliases_path" "$mailq_path" "$manpage_directory"
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do
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case "$path" in
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/*) ;;
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*) echo $0: Error: \"$path\" should be an absolute path name. 1>&2; exit 1;;
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esac
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done
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for path in "$html_directory" "$readme_directory"
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do
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case "$path" in
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/*) ;;
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no) ;;
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*) echo $0: Error: \"$path\" should be \"no\" or an absolute path name. 1>&2; exit 1;;
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esac
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done
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# Find out what parameters were not specified via command line,
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# via environment, or via installed configuration files.
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missing=
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for name in daemon_directory command_directory queue_directory mail_owner \
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setgid_group sendmail_path newaliases_path mailq_path manpage_directory \
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readme_directory html_directory
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do
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eval test -n \"\$$name\" || missing="$missing $name"
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done
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# All parameters must be specified at this point.
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test -n "$non_interactive" -a -n "$missing" && {
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cat <<EOF | ${FMT} 1>&2
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$0: Error: some required installation parameters are not defined.
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- Either the parameters need to be given in the $config_directory/main.cf
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file from a recent Postfix installation,
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- Or the parameters need to be specified through the process
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environment.
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- Or the parameters need to be specified as name=value arguments
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on the $0 command line,
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The following parameters were missing:
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$missing
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EOF
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exit 1
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}
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POSTCONF="$command_directory/postconf"
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# Save settings, allowing command line/environment override.
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override=
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for name in daemon_directory command_directory queue_directory mail_owner \
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setgid_group sendmail_path newaliases_path mailq_path manpage_directory \
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sample_directory readme_directory html_directory
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do
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eval test \"\$$name\" = \"`$POSTCONF -c $config_directory -h $name`\" || {
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override=1
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break
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}
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done
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test -n "$override" && {
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$POSTCONF -c $config_directory -e \
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"daemon_directory = $daemon_directory" \
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"command_directory = $command_directory" \
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"queue_directory = $queue_directory" \
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"mail_owner = $mail_owner" \
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"setgid_group = $setgid_group" \
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"sendmail_path = $sendmail_path" \
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"mailq_path = $mailq_path" \
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"newaliases_path = $newaliases_path" \
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"html_directory = $html_directory" \
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"manpage_directory = $manpage_directory" \
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"sample_directory = $sample_directory" \
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"readme_directory = $readme_directory" \
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|| exit 1
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}
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# Use file/directory status information in $config_directory/postfix-files.
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test -n "$create" && {
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exec <$config_directory/postfix-files || exit 1
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while IFS=: read path type owner group mode flags junk
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do
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IFS="$BACKUP_IFS"
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set_permission=
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# Skip comments.
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case $path in
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[$]*) ;;
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*) continue;;
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esac
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# Skip hard links and symbolic links.
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case $type in
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[hl]) continue;;
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[df]) ;;
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*) echo unknown type $type for $path in $config_directory/postfix-files1>&2; exit 1;;
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esac
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# Expand $name, and canonicalize null fields.
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for name in path owner group flags
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do
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eval junk=\${$name}
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case $junk in
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[$]*) eval $name=$junk;;
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-) eval $name=;;
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*) ;;
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esac
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done
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# Skip uninstalled files.
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case $path in
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no|no/*) continue;;
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esac
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# Pick up the flags.
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case $flags in *u*) upgrade_flag=1;; *) upgrade_flag=;; esac
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case $flags in *c*) create_flag=1;; *) create_flag=;; esac
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case $flags in *r*) recursive="-R";; *) recursive=;; esac
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case $flags in *o*) obsolete_flag=1;; *) obsolete_flag=;; esac
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# Flag obsolete objects. XXX Solaris 2..9 does not have "test -e".
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if [ -n "$obsolete_flag" ]
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then
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test -r $path -a "$type" != "d" && obsolete="$obsolete $path"
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continue;
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else
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keep_list="$keep_list $path"
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fi
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# Create missing directories with proper owner/group/mode settings.
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if [ -n "$create" -a "$type" = "d" -a -n "$create_flag" -a ! -d "$path" ]
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then
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mkdir $path || exit 1
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set_permission=1
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# Update all owner/group/mode settings.
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elif [ -n "$set_perms" ]
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then
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set_permission=1
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# Update obsolete owner/group/mode settings.
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elif [ -n "$upgrade_perms" -a -n "$upgrade_flag" ]
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then
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set_permission=1
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fi
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test -n "$set_permission" && {
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chown $recursive $owner $path || exit 1
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test -z "$group" || chgrp $recursive $group $path || exit 1
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chmod $recursive $mode $path || exit 1
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}
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done
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IFS="$BACKUP_IFS"
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}
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# Upgrade existing Postfix configuration files if necessary.
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test -n "$upgrade_conf" && {
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# Add missing relay service to master.cf.
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grep '^relay' $config_directory/master.cf >/dev/null || {
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echo Editing $config_directory/master.cf, adding missing entry for relay service
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cat >>$config_directory/master.cf <<EOF || exit 1
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relay unix - - n - - smtp
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EOF
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}
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# Add missing flush service to master.cf.
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grep '^flush.*flush' $config_directory/master.cf >/dev/null || {
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echo Editing $config_directory/master.cf, adding missing entry for flush service
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cat >>$config_directory/master.cf <<EOF || exit 1
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flush unix - - n 1000? 0 flush
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EOF
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}
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# Add missing trace service to master.cf.
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grep 'trace.*bounce' $config_directory/master.cf >/dev/null || {
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echo Editing $config_directory/master.cf, adding missing entry for trace service
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cat >>$config_directory/master.cf <<EOF || exit 1
|
|
trace unix - - n - 0 bounce
|
|
EOF
|
|
}
|
|
|
|
# Add missing verify service to master.cf.
|
|
|
|
grep '^verify.*verify' $config_directory/master.cf >/dev/null || {
|
|
echo Editing $config_directory/master.cf, adding missing entry for verify service
|
|
cat >>$config_directory/master.cf <<EOF || exit 1
|
|
verify unix - - n - 1 verify
|
|
EOF
|
|
}
|
|
|
|
# Fix verify service process limit.
|
|
|
|
grep '^verify.*[ ]0[ ]*verify' \
|
|
$config_directory/master.cf >/dev/null && {
|
|
echo Editing $config_directory/master.cf, setting verify process limit to 1
|
|
ed $config_directory/master.cf <<EOF || exit 1
|
|
/^verify.*[ ]0[ ]*verify/
|
|
s/\([ ]\)0\([ ]\)/\11\2/
|
|
p
|
|
w
|
|
q
|
|
EOF
|
|
}
|
|
|
|
# Change privileged pickup service into unprivileged.
|
|
|
|
grep "^pickup[ ]*fifo[ ]*n[ ]*n" \
|
|
$config_directory/master.cf >/dev/null && {
|
|
echo Editing $config_directory/master.cf, making the pickup service unprivileged
|
|
ed $config_directory/master.cf <<EOF || exit 1
|
|
/^pickup[ ]*fifo[ ]*n[ ]*n/
|
|
s/\(n[ ]*\)n/\1-/
|
|
p
|
|
w
|
|
q
|
|
EOF
|
|
}
|
|
|
|
# Change private cleanup and flush services into public.
|
|
|
|
for name in cleanup flush
|
|
do
|
|
grep "^$name[ ]*unix[ ]*[-y]" \
|
|
$config_directory/master.cf >/dev/null && {
|
|
echo Editing $config_directory/master.cf, making the $name service public
|
|
ed $config_directory/master.cf <<EOF || exit 1
|
|
/^$name[ ]*unix[ ]*[-y]/
|
|
s/[-y]/n/
|
|
p
|
|
w
|
|
q
|
|
EOF
|
|
}
|
|
done
|
|
|
|
# With 20000 active queue files, the active queue directory should
|
|
# be hashed, and so should the other directories, because they
|
|
# can contain even more mail.
|
|
#
|
|
# Unfortunately, this sucks mailq performance on unloaded systems.
|
|
#
|
|
# If you don't want slow mailq, be sure to hash defer and deferred,
|
|
# because those two directories can contain lots of files.
|
|
|
|
found=`$POSTCONF -c $config_directory -h hash_queue_names`
|
|
missing=
|
|
(echo "$found" | grep active >/dev/null) || missing="$missing active"
|
|
(echo "$found" | grep bounce >/dev/null) || missing="$missing bounce"
|
|
(echo "$found" | grep defer >/dev/null) || missing="$missing defer"
|
|
(echo "$found" | grep flush >/dev/null) || missing="$missing flush"
|
|
(echo "$found" | grep incoming>/dev/null)|| missing="$missing incoming"
|
|
(echo "$found" | grep deferred>/dev/null)|| missing="$missing deferred"
|
|
test -n "$missing" && {
|
|
echo fixing main.cf hash_queue_names for missing $missing
|
|
$POSTCONF -c $config_directory -e hash_queue_names="$found$missing" ||
|
|
exit 1
|
|
}
|
|
|
|
# Turn on safety nets for new features that could bounce mail that
|
|
# would be accepted by a previous Postfix version.
|
|
# This safety net is also documented in LOCAL_RECIPIENT_README.
|
|
|
|
unknown_local=unknown_local_recipient_reject_code
|
|
has_lrm=`$POSTCONF -n local_recipient_maps`
|
|
has_lrjc=`$POSTCONF -n $unknown_local`
|
|
|
|
if [ -z "$has_lrm" -a -z "$has_lrjc" ]
|
|
then
|
|
echo SAFETY: editing main.cf, setting $unknown_local=450.
|
|
echo See the RELEASE_NOTES and LOCAL_RECIPIENT_README files for details.
|
|
$POSTCONF -e "$unknown_local = 450" || exit 1
|
|
fi
|
|
|
|
# Add missing proxymap service to master.cf.
|
|
|
|
grep '^proxymap.*proxymap' $config_directory/master.cf >/dev/null || {
|
|
echo Editing $config_directory/master.cf, adding missing entry for proxymap service
|
|
cat >>$config_directory/master.cf <<EOF || exit 1
|
|
proxymap unix - - n - - proxymap
|
|
EOF
|
|
}
|
|
|
|
# Add missing anvil service to master.cf.
|
|
|
|
# grep '^anvil.*anvil' $config_directory/master.cf >/dev/null || {
|
|
# echo Editing $config_directory/master.cf, adding missing entry for anvil service
|
|
# cat >>$config_directory/master.cf <<EOF || exit 1
|
|
#anvil unix - - n - 1 anvil
|
|
#EOF
|
|
# }
|
|
|
|
# Report (but do not remove) obsolete files.
|
|
|
|
test -n "$obsolete" && {
|
|
cat <<EOF | ${FMT}
|
|
|
|
Note: the following files or directories still exist but are
|
|
no longer part of Postfix:
|
|
|
|
$obsolete
|
|
|
|
EOF
|
|
}
|
|
|
|
}
|
|
|
|
# A reminder if this is the first time Postfix is being installed.
|
|
|
|
test -n "$first_install_reminder" && {
|
|
|
|
ALIASES=`$POSTCONF -h alias_database | sed 's/^[^:]*://'`
|
|
NEWALIASES_PATH=`$POSTCONF -h newaliases_path`
|
|
cat <<EOF | ${FMT}
|
|
|
|
Warning: you still need to edit myorigin/mydestination/mynetworks
|
|
parameter settings in $config_directory/main.cf.
|
|
|
|
See also http://www.postfix.org/faq.html for information about
|
|
dialup sites or about sites inside a firewalled network.
|
|
|
|
BTW: Check your $ALIASES file and be sure to set up aliases
|
|
that send mail for root and postmaster to a real person, then
|
|
run $NEWALIASES_PATH.
|
|
|
|
EOF
|
|
|
|
}
|
|
|
|
exit 0
|