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Diffstat (limited to 'conf/postfix-script')
-rwxr-xr-x | conf/postfix-script | 446 |
1 files changed, 446 insertions, 0 deletions
diff --git a/conf/postfix-script b/conf/postfix-script new file mode 100755 index 0000000..da98375 --- /dev/null +++ b/conf/postfix-script @@ -0,0 +1,446 @@ +#!/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 +# +# Wietse Venema +# Google, Inc. +# 111 8th Avenue +# New York, NY 10011, 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 +} +case $shlib_directory in +no) ;; + *) cd $shlib_directory || { + $FATAL no Postfix shared-library directory $shlib_directory! + exit 1 + } +esac +cd $meta_directory || { + $FATAL no Postfix meta directory $meta_directory! + exit 1 +} +cd $queue_directory || { + $FATAL no Postfix queue directory $queue_directory! + exit 1 +} +def_config_directory=`$command_directory/postconf -dh config_directory` || { + $FATAL cannot execute $command_directory/postconf! + exit 1 +} + +# If this is a secondary instance, don't touch shared files. + +instances=`test ! -f $def_config_directory/main.cf || + $command_directory/postconf -c $def_config_directory \ + -h multi_instance_directories | sed 's/,/ /'` || { + $FATAL cannot execute $command_directory/postconf! + exit 1 +} + +check_shared_files=1 +for name in $instances +do + case "$name" in + "$def_config_directory") ;; + "$config_directory") check_shared_files=; break;; + esac +done + +# +# Parse JCL +# +case $1 in + +start_msg) + + echo "Start postfix" + ;; + +stop_msg) + + echo "Stop postfix" + ;; + +start|start-fg) + + $daemon_directory/master -t 2>/dev/null || { + $FATAL the Postfix mail system is already running + exit 1 + } + if [ -f $queue_directory/quick-start ] + then + rm -f $queue_directory/quick-start + else + $daemon_directory/postfix-script check-fatal || { + $FATAL Postfix integrity check failed! + exit 1 + } + # Foreground this so it can be stopped. All inodes are cached. + $daemon_directory/postfix-script check-warn + fi + $INFO starting the Postfix mail system || exit 1 + case $1 in + start) + # NOTE: wait in foreground process to get the initialization status. + $daemon_directory/master -w || { + $FATAL "mail system startup failed" + exit 1 + } + ;; + start-fg) + # Foreground start-up is incompatible with multi-instance mode. + # Use "exec $daemon_directory/master" only if PID == 1. + # Otherwise, doing so would break process group management, + # and "postfix stop" would kill too many processes. + case $instances in + "") case $$ in + 1) exec $daemon_directory/master -i + $FATAL "cannot start-fg the master daemon" + exit 1;; + *) $daemon_directory/master -s;; + esac + ;; + *) $FATAL "start-fg does not support multi_instance_directories" + exit 1 + ;; + esac + ;; + esac + ;; + +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` + ;; + +quick-stop) + + $daemon_directory/postfix-script stop + touch $queue_directory/quick-start + ;; + +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` + for i in 5 4 3 2 1 + do + $daemon_directory/master -t && exit 0 + $INFO waiting for the Postfix mail system to terminate + sleep 1 + done + $WARN stopping the Postfix mail system with force + pid=`awk '{ print $1; exit 0 } END { exit 1 }' pid/master.pid` && + kill -9 -$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) + + $daemon_directory/postfix-script check-fatal || exit 1 + $daemon_directory/postfix-script check-warn + exit 0 + ;; + +status) + + $daemon_directory/master -t 2>/dev/null && { + $INFO the Postfix mail system is not running + exit 1 + } + $INFO the Postfix mail system is running: PID: `sed 1q pid/master.pid` + exit 0 + ;; + + +check-fatal) + # This command is NOT part of the public interface. + + $SHELL $daemon_directory/post-install create-missing || { + $FATAL unable to create missing queue directories + exit 1 + } + + # Look for incomplete installations. + + test -f $config_directory/master.cf || { + $FATAL no $config_directory/master.cf file found + exit 1 + } + + maillog_file=`$command_directory/postconf -h maillog_file` || { + $FATAL cannot execute $command_directory/postconf! + exit 1 + } + test -n "$maillog_file" && { + $command_directory/postconf -M postlog/unix-dgram 2>/dev/null \ + | grep . >/dev/null || { + $FATAL "missing 'postlog' service in master.cf - run 'postfix upgrade-configuration'" + 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 + exit 0 + ;; + +check-warn) + # This command is NOT part of the public interface. + + # Check Postfix root-owned directory owner/permissions. + + find $queue_directory/. $queue_directory/pid \ + -prune ! -user root \ + -exec $WARN not owned by root: {} \; + + find $queue_directory/. $queue_directory/pid \ + -prune \( -perm -020 -o -perm -002 \) \ + -exec $WARN group or other writable: {} \; + + # Check Postfix root-owned directory tree owner/permissions. + + todo="$config_directory/." + test -n "$check_shared_files" && { + todo="$daemon_directory/. $meta_directory/. $todo" + test "$shlib_directory" = "no" || + todo="$shlib_directory/. $todo" + } + todo=`echo "$todo" | tr ' ' '\12' | sort -u` + + find $todo ! -user root \ + -exec $WARN not owned by root: {} \; + + find $todo \( -perm -020 -o -perm -002 \) \ + -exec $WARN group or other writable: {} \; + + # Check Postfix mail_owner-owned directory tree owner/permissions. + + find $data_directory/. ! -user $mail_owner \ + -exec $WARN not owned by $mail_owner: {} \; + + find $data_directory/. \( -perm -020 -o -perm -002 \) \ + -exec $WARN group or other writable: {} \; + + # Check Postfix mail_owner-owned directory tree owner. + + find `ls -d $queue_directory/* | \ + grep -E '/(saved|incoming|active|defer|deferred|bounce|hold|trace|corrupt|public|private|flush)$'` \ + ! \( -type p -o -type s \) ! -user $mail_owner \ + -exec $WARN not owned by $mail_owner: {} \; + + # 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: $queue_directory/maildrop \; + + # Check Postfix setgid_group-owned directory and file group/permissions. + + todo="$queue_directory/public $queue_directory/maildrop" + test -n "$check_shared_files" && + todo="$command_directory/postqueue $command_directory/postdrop $todo" + + find $todo \ + -prune ! -group $setgid_group \ + -exec $WARN not owned by group $setgid_group: {} \; + + test -n "$check_shared_files" && + find $command_directory/postqueue $command_directory/postdrop \ + -prune ! -perm -02111 \ + -exec $WARN not set-gid or not owner+group+world executable: {} \; + + # Check non-Postfix root-owned directory tree owner/content. + + for dir in bin etc lib sbin usr + do + test -d $dir && { + find $dir ! -user root \ + -exec $WARN not owned by root: $queue_directory/{} \; + + find $dir -type f -print | while read path + do + test -f /$path && { + cmp -s $path /$path || + $WARN $queue_directory/$path and /$path differ + } + done + } + done + + find corrupt -type f -exec $WARN damaged message: {} \; + + # Check for non-Postfix MTA remnants. + + test -n "$check_shared_files" -a -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 + ;; + +set-permissions|upgrade-configuration) + $daemon_directory/post-install create-missing "$@" + ;; + +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 |