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#!/bin/sh
#++
# NAME
# postfix-script 1
# SUMMARY
# execute Postfix administrative commands
# SYNOPSIS
# \fBpostfix-script\fR \fIcommand\fR
# DESCRIPTION
# The \fBpostfix-script\fR script executes Postfix administrative
# commands in an environment that is set up by the \fBpostfix\fR(1)
# command.
# SEE ALSO
# master(8) Postfix master program
# postfix(1) Postfix administrative interface
# LICENSE
# .ad
# .fi
# The Secure Mailer license must be distributed with this software.
# AUTHOR(S)
# Wietse Venema
# IBM T.J. Watson Research
# P.O. Box 704
# Yorktown Heights, NY 10598, USA
#--
# Avoid POSIX death due to SIGHUP when some parent process exits.
trap '' 1
case $daemon_directory in
"") echo This script must be run by the postfix command. 1>&2
echo Do not run directly. 1>&2
exit 1
esac
LOGGER="$command_directory/postlog -t $MAIL_LOGTAG/postfix-script"
INFO="$LOGGER -p info"
WARN="$LOGGER -p warn"
ERROR="$LOGGER -p error"
FATAL="$LOGGER -p fatal"
PANIC="$LOGGER -p panic"
umask 022
SHELL=/bin/sh
#
# Can't do much without these in place.
#
cd $command_directory || {
$FATAL no Postfix command directory $command_directory!
exit 1
}
cd $daemon_directory || {
$FATAL no Postfix daemon directory $daemon_directory!
exit 1
}
test -f master || {
$FATAL no Postfix master program $daemon_directory/master!
exit 1
}
cd $config_directory || {
$FATAL no Postfix configuration directory $config_directory!
exit 1
}
cd $queue_directory || {
$FATAL no Postfix queue directory $queue_directory!
exit 1
}
#
# Parse JCL
#
case $1 in
start_msg)
echo "Start postfix"
;;
stop_msg)
echo "Stop postfix"
;;
start)
$daemon_directory/master -t 2>/dev/null || {
$FATAL the Postfix mail system is already running
exit 1
}
$config_directory/postfix-script check || {
$FATAL Postfix integrity check failed!
exit 1
}
$INFO starting the Postfix mail system
$daemon_directory/master &
;;
drain)
$daemon_directory/master -t 2>/dev/null && {
$FATAL the Postfix mail system is not running
exit 1
}
$INFO stopping the Postfix mail system
kill -9 `sed 1q pid/master.pid`
;;
stop)
$daemon_directory/master -t 2>/dev/null && {
$FATAL the Postfix mail system is not running
exit 1
}
$INFO stopping the Postfix mail system
kill `sed 1q pid/master.pid`
;;
abort)
$daemon_directory/master -t 2>/dev/null && {
$FATAL the Postfix mail system is not running
exit 1
}
$INFO aborting the Postfix mail system
kill `sed 1q pid/master.pid`
;;
reload)
$daemon_directory/master -t 2>/dev/null && {
$FATAL the Postfix mail system is not running
exit 1
}
$INFO refreshing the Postfix mail system
$command_directory/postsuper active || exit 1
kill -HUP `sed 1q pid/master.pid`
$command_directory/postsuper &
;;
flush)
cd $queue_directory || {
$FATAL no Postfix queue directory $queue_directory!
exit 1
}
$command_directory/postqueue -f
;;
check)
for dir in $daemon_directory $config_directory $queue_directory
do
ls -lLd $dir | (grep " root " >/dev/null ||
$WARN not owned by root: $dir)
done
find $daemon_directory/* $config_directory/* ! -user root \
-exec $WARN not owned by root: {} \;
find $daemon_directory/. $config_directory/. \
\( -perm -020 -o -perm -002 \) -type f \
-exec $WARN group or other writable: {} \;
$SHELL $config_directory/post-install create-missing || {
$WARN unable to create missing queue directories
exit 1
}
find `ls -d $queue_directory/* | \
egrep '/(incoming|active|defer|deferred|bounce|hold|corrupt|public|private|flush)$'` \
! \( -type p -o -type s \) ! -user $mail_owner \
-exec $WARN not owned by $mail_owner: {} \;
find $queue_directory/public $queue_directory/maildrop \
$command_directory/postqueue $command_directory/postdrop \
-prune ! -group $setgid_group \
-exec $WARN not owned by group $setgid_group: {} \;
find $command_directory/postqueue $command_directory/postdrop \
-prune ! -perm -02111 \
-exec $WARN not set-gid: {} \;
for name in `ls -d $queue_directory/* | \
egrep '/(bin|etc|lib|usr)$'` ; \
do \
find $name ! -user root \
-exec $WARN not owned by root: {} \; ; \
done
# WARNING: this should not descend into the maildrop directory.
# maildrop is the least trusted Postfix directory.
find $queue_directory/maildrop/. -prune ! -user $mail_owner \
-exec $WARN not owned by $mail_owner: $queue_directory/maildrop \;
for dir in bin etc lib sbin usr
do
test -d $dir && find $dir -type f -print | while read path
do
cmp -s $path /$path ||
$WARN $queue_directory/$path and /$path differ
done
done
# Look for incomplete installations.
test -f $config_directory/master.cf || {
$FATAL no $config_directory/master.cf file found
exit 1
}
# See if all queue files are in the right place. This is slow.
# We must scan all queues for mis-named queue files before the
# mail system can run.
$command_directory/postsuper || exit 1
find corrupt -type f -exec $WARN damaged message: {} \;
# XXX also: look for weird stuff, weird permissions, etc.
test -f /usr/sbin/sendmail -a -f /usr/lib/sendmail && {
cmp -s /usr/sbin/sendmail /usr/lib/sendmail || {
$WARN /usr/lib/sendmail and /usr/sbin/sendmail differ
$WARN Replace one by a symbolic link to the other
}
}
exit 0
;;
*)
$FATAL "usage: postfix start (or stop, reload, abort, flush, or check)"
exit 1
;;
esac
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