455 lines
11 KiB
Plaintext
455 lines
11 KiB
Plaintext
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#!/bin/sh
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#++
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# NAME
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# postfix-script 1
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# SUMMARY
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# execute Postfix administrative commands
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# SYNOPSIS
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# \fBpostfix-script\fR \fIcommand\fR
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# DESCRIPTION
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# The \fBpostfix-script\fR script executes Postfix administrative
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# commands in an environment that is set up by the \fBpostfix\fR(1)
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# command.
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# SEE ALSO
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# master(8) Postfix master program
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# postfix(1) Postfix administrative interface
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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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# Wietse Venema
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# Google, Inc.
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# 111 8th Avenue
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# New York, NY 10011, USA
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#--
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# Avoid POSIX death due to SIGHUP when some parent process exits.
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trap '' 1
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case $daemon_directory in
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"") echo This script must be run by the postfix command. 1>&2
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echo Do not run directly. 1>&2
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exit 1
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esac
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LOGGER="$command_directory/postlog -t $MAIL_LOGTAG/postfix-script"
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INFO="$LOGGER -p info"
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WARN="$LOGGER -p warn"
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ERROR="$LOGGER -p error"
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FATAL="$LOGGER -p fatal"
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PANIC="$LOGGER -p panic"
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umask 022
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SHELL=/bin/sh
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#
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# Can't do much without these in place.
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#
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cd $command_directory || {
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$FATAL no Postfix command directory $command_directory!
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exit 1
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}
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cd $daemon_directory || {
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$FATAL no Postfix daemon directory $daemon_directory!
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exit 1
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}
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test -f master || {
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$FATAL no Postfix master program $daemon_directory/master!
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exit 1
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}
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cd $config_directory || {
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$FATAL no Postfix configuration directory $config_directory!
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exit 1
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}
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case $shlib_directory in
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no) ;;
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*) cd $shlib_directory || {
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$FATAL no Postfix shared-library directory $shlib_directory!
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exit 1
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}
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esac
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cd $meta_directory || {
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$FATAL no Postfix meta directory $meta_directory!
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exit 1
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}
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cd $queue_directory || {
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$FATAL no Postfix queue directory $queue_directory!
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exit 1
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}
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def_config_directory=`$command_directory/postconf -dh config_directory` || {
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$FATAL cannot execute $command_directory/postconf!
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exit 1
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}
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# If this is a secondary instance, don't touch shared files.
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instances=`test ! -f $def_config_directory/main.cf ||
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$command_directory/postconf -c $def_config_directory \
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-h multi_instance_directories | sed 's/,/ /'` || {
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$FATAL cannot execute $command_directory/postconf!
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exit 1
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}
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check_shared_files=1
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for name in $instances
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do
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case "$name" in
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"$def_config_directory") ;;
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"$config_directory") check_shared_files=; break;;
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esac
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done
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#
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# Parse JCL
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#
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case $1 in
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start_msg)
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echo "Start postfix"
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;;
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stop_msg)
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echo "Stop postfix"
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;;
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start|start-fg)
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$daemon_directory/master -t 2>/dev/null || {
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$FATAL the Postfix mail system is already running
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exit 1
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}
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if [ -f $queue_directory/quick-start ]
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then
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rm -f $queue_directory/quick-start
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else
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$daemon_directory/postfix-script check-fatal || {
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$FATAL Postfix integrity check failed!
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exit 1
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}
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# Foreground this so it can be stopped. All inodes are cached.
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$daemon_directory/postfix-script check-warn
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fi
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$INFO starting the Postfix mail system || exit 1
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case $1 in
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start)
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# NOTE: wait in foreground process to get the initialization status.
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$daemon_directory/master -w || {
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$FATAL "mail system startup failed"
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exit 1
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}
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;;
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start-fg)
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# Foreground start-up is incompatible with multi-instance mode.
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# Use "exec $daemon_directory/master" only if PID == 1.
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# Otherwise, doing so would break process group management,
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# and "postfix stop" would kill too many processes.
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case $instances in
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"") case $$ in
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1) exec $daemon_directory/master -i
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$FATAL "cannot start-fg the master daemon"
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exit 1;;
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*) $daemon_directory/master -s;;
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esac
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;;
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*) $FATAL "start-fg does not support multi_instance_directories"
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exit 1
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;;
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esac
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;;
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esac
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;;
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drain)
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$daemon_directory/master -t 2>/dev/null && {
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$FATAL the Postfix mail system is not running
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exit 1
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}
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$INFO stopping the Postfix mail system
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kill -9 `sed 1q pid/master.pid`
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;;
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quick-stop)
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$daemon_directory/postfix-script stop
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touch $queue_directory/quick-start
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;;
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stop)
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$daemon_directory/master -t 2>/dev/null && {
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$FATAL the Postfix mail system is not running
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exit 1
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}
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$INFO stopping the Postfix mail system
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kill `sed 1q pid/master.pid`
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for i in 5 4 3 2 1
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do
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$daemon_directory/master -t && exit 0
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$INFO waiting for the Postfix mail system to terminate
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sleep 1
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done
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$WARN stopping the Postfix mail system with force
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pid=`awk '{ print $1; exit 0 } END { exit 1 }' pid/master.pid` &&
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kill -9 -$pid
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;;
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abort)
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$daemon_directory/master -t 2>/dev/null && {
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$FATAL the Postfix mail system is not running
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exit 1
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}
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$INFO aborting the Postfix mail system
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kill `sed 1q pid/master.pid`
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;;
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reload)
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$daemon_directory/master -t 2>/dev/null && {
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$FATAL the Postfix mail system is not running
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exit 1
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}
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$INFO refreshing the Postfix mail system
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$command_directory/postsuper active || exit 1
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kill -HUP `sed 1q pid/master.pid`
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$command_directory/postsuper &
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;;
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flush)
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cd $queue_directory || {
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$FATAL no Postfix queue directory $queue_directory!
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exit 1
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}
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$command_directory/postqueue -f
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;;
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check)
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$daemon_directory/postfix-script check-fatal || exit 1
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$daemon_directory/postfix-script check-warn
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exit 0
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;;
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status)
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$daemon_directory/master -t 2>/dev/null && {
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$INFO the Postfix mail system is not running
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exit 1
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}
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$INFO the Postfix mail system is running: PID: `sed 1q pid/master.pid`
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exit 0
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;;
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check-fatal)
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# This command is NOT part of the public interface.
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$SHELL $daemon_directory/post-install create-missing || {
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$FATAL unable to create missing queue directories
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exit 1
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}
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# Look for incomplete installations.
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test -f $config_directory/master.cf || {
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$FATAL no $config_directory/master.cf file found
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exit 1
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}
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maillog_file=`$command_directory/postconf -h maillog_file` || {
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$FATAL cannot execute $command_directory/postconf!
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exit 1
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}
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test -n "$maillog_file" && {
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$command_directory/postconf -M postlog/unix-dgram 2>/dev/null \
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| grep . >/dev/null || {
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$FATAL "missing 'postlog' service in master.cf - run 'postfix upgrade-configuration'"
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exit 1
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}
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}
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# See if all queue files are in the right place. This is slow.
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# We must scan all queues for mis-named queue files before the
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# mail system can run.
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$command_directory/postsuper || exit 1
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exit 0
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;;
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check-warn)
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# This command is NOT part of the public interface.
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# Check Postfix root-owned directory owner/permissions.
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find $queue_directory/. $queue_directory/pid \
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-prune ! -user root \
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-exec $WARN not owned by root: {} \;
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find $queue_directory/. $queue_directory/pid \
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-prune \( -perm -020 -o -perm -002 \) \
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-exec $WARN group or other writable: {} \;
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# Check Postfix root-owned directory tree owner/permissions.
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todo="$config_directory/."
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test -n "$check_shared_files" && {
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todo="$daemon_directory/. $meta_directory/. $todo"
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test "$shlib_directory" = "no" ||
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todo="$shlib_directory/. $todo"
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}
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todo=`echo "$todo" | tr ' ' '\12' | sort -u`
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find $todo ! -user root \
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-exec $WARN not owned by root: {} \;
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# Handle symlinks separately
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find -L $todo \( -perm -020 -o -perm -002 \) \
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-exec $WARN group or other writable: {} \;
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find $todo -type l | while read f; do \
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# makedefs out known to be a symlink and OK
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if [ "$f" != "/etc/postfix/./makedefs.out" ]; then \
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readlink "$f" | grep -q / && $WARN symlink leaves directory: "$f"; \
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fi \
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done; \
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# Check Postfix mail_owner-owned directory tree owner/permissions.
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find $data_directory/. ! -user $mail_owner \
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-exec $WARN not owned by $mail_owner: {} \;
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find $data_directory/. \( -perm -020 -o -perm -002 \) \
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-exec $WARN group or other writable: {} \;
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# Check Postfix mail_owner-owned directory tree owner.
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find `ls -d $queue_directory/* | \
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egrep '/(saved|incoming|active|defer|deferred|bounce|hold|trace|corrupt|public|private|flush)$'` \
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! \( -type p -o -type s \) ! -user $mail_owner \
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-exec $WARN not owned by $mail_owner: {} \;
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# WARNING: this should not descend into the maildrop directory.
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# maildrop is the least trusted Postfix directory.
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find $queue_directory/maildrop -prune ! -user $mail_owner \
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-exec $WARN not owned by $mail_owner: $queue_directory/maildrop \;
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# Check Postfix setgid_group-owned directory and file group/permissions.
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todo="$queue_directory/public $queue_directory/maildrop"
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test -n "$check_shared_files" &&
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todo="$command_directory/postqueue $command_directory/postdrop $todo"
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find $todo \
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-prune ! -group $setgid_group \
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-exec $WARN not owned by group $setgid_group: {} \;
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test -n "$check_shared_files" &&
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find $command_directory/postqueue $command_directory/postdrop \
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-prune ! -perm -02111 \
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-exec $WARN not set-gid or not owner+group+world executable: {} \;
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# Check non-Postfix root-owned directory tree owner/content.
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for dir in bin etc lib sbin usr
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do
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test -d $dir && {
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find $dir ! -user root \
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-exec $WARN not owned by root: $queue_directory/{} \;
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find $dir -type f -print | while read path
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do
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test -f /$path && {
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cmp -s $path /$path ||
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$WARN $queue_directory/$path and /$path differ
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}
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done
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}
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done
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find corrupt -type f -exec $WARN damaged message: {} \;
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# Check for non-Postfix MTA remnants.
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test -n "$check_shared_files" -a -f /usr/sbin/sendmail -a \
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-f /usr/lib/sendmail && {
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cmp -s /usr/sbin/sendmail /usr/lib/sendmail || {
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$WARN /usr/lib/sendmail and /usr/sbin/sendmail differ
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$WARN Replace one by a symbolic link to the other
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}
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}
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exit 0
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;;
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set-permissions|upgrade-configuration)
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$daemon_directory/post-install create-missing "$@"
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|
;;
|
||
|
|
|
||
|
|
post-install)
|
||
|
|
# Currently not part of the public interface.
|
||
|
|
shift
|
||
|
|
$daemon_directory/post-install "$@"
|
||
|
|
;;
|
||
|
|
|
||
|
|
tls)
|
||
|
|
shift
|
||
|
|
$daemon_directory/postfix-tls-script "$@"
|
||
|
|
;;
|
||
|
|
|
||
|
|
/*)
|
||
|
|
# Currently not part of the public interface.
|
||
|
|
"$@"
|
||
|
|
;;
|
||
|
|
|
||
|
|
logrotate)
|
||
|
|
case $# in
|
||
|
|
1) ;;
|
||
|
|
*) $FATAL "usage postfix $1 (no arguments)"; exit 1;;
|
||
|
|
esac
|
||
|
|
for name in maillog_file maillog_file_compressor \
|
||
|
|
maillog_file_rotate_suffix
|
||
|
|
do
|
||
|
|
value="`$command_directory/postconf -h $name`"
|
||
|
|
case "$value" in
|
||
|
|
"") $FATAL "empty '$name' parameter value - logfile rotation failed"
|
||
|
|
exit 1;;
|
||
|
|
esac
|
||
|
|
eval $name='"$value"';
|
||
|
|
done
|
||
|
|
|
||
|
|
case "$maillog_file" in
|
||
|
|
/dev/*) $FATAL "not rotating '$maillog_file'"; exit 1;;
|
||
|
|
esac
|
||
|
|
|
||
|
|
errors=`(
|
||
|
|
suffix="\`date +$maillog_file_rotate_suffix\`" || exit 1
|
||
|
|
mv "$maillog_file" "$maillog_file.$suffix" || exit 1
|
||
|
|
$daemon_directory/master -t 2>/dev/null ||
|
||
|
|
kill -HUP \`sed 1q pid/master.pid\` || exit 1
|
||
|
|
sleep 1
|
||
|
|
"$maillog_file_compressor" "$maillog_file.$suffix" || exit 1
|
||
|
|
) 2>&1` || {
|
||
|
|
$FATAL "logfile '$maillog_file' rotation failed: $errors"
|
||
|
|
exit 1
|
||
|
|
}
|
||
|
|
;;
|
||
|
|
|
||
|
|
*)
|
||
|
|
$FATAL "unknown command: '$1'. Usage: postfix start (or stop, reload, abort, flush, check, status, set-permissions, upgrade-configuration, logrotate)"
|
||
|
|
exit 1
|
||
|
|
;;
|
||
|
|
|
||
|
|
esac
|