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      1 #!/bin/sh
      2 #
      3 # $NetBSD: postfix,v 1.20 2023/12/25 08:37:08 kre Exp $
      4 #
      5 
      6 # PROVIDE: mail
      7 # REQUIRE: LOGIN
      8 #	we make mail start late, so that things like .forward's are not
      9 #	processed until the system is fully operational
     10 
     11 $_rc_subr_loaded . /etc/rc.subr
     12 
     13 name="postfix"
     14 rcvar=$name
     15 postfix_command="/usr/sbin/${name}"
     16 required_files="/etc/${name}/main.cf"
     17 start_precmd="postfix_precmd"
     18 start_cmd="postfix_op"
     19 stop_cmd="postfix_op"
     20 reload_cmd="postfix_op"
     21 status_cmd="postfix_op"
     22 extra_commands="reload status"
     23 spooletcdir="/var/spool/${name}/etc"
     24 postconf="/usr/sbin/postconf"
     25 required_dirs=$spooletcdir
     26 
     27 _rebuild() {
     28 	echo "${name}: rebuilding ${1} ($2 ${1}.db)"
     29 	$($postconf -h newaliases_path)
     30 }
     31 
     32 postfix_precmd()
     33 {
     34 	# As this is called after the is_running and required_dir checks
     35 	# are made in run_rc_command(), we can safely assume ${spooletcdir}
     36 	# exists and postfix isn't running at this point (unless forcestart
     37 	# is used).
     38 	#
     39 
     40 	for f in localtime resolv.conf services; do
     41 		if [ -f /etc/$f ]; then
     42 			cmp -s /etc/$f ${spooletcdir}/$f || \
     43 			    cp -p /etc/$f ${spooletcdir}/$f
     44 		fi
     45 	done
     46 
     47 	OIFS="${IFS}"
     48 	IFS="${IFS},"
     49 	for f in $($postconf -hx alias_database); do
     50 		IFS="${OIFS}:"
     51 		set -- $f
     52 		IFS="${OIFS}"
     53 		case "$1" in
     54 		hash)
     55 			if [ -f "$2.db" ]; then
     56 				if ! [ "$2" -ot "$2.db" ]; then
     57 					_rebuild "$2" "out of date"
     58 				fi
     59 			else
     60 				_rebuild "$2" "missing"
     61 			fi
     62 			;;
     63 		*)
     64 			;;
     65 		esac
     66 	done
     67 
     68 	echo "Starting ${name}."
     69 }
     70 
     71 postfix_op()
     72 {
     73 	${postfix_command} ${rc_arg}
     74 }
     75 
     76 check_use_postfix()
     77 {
     78 	_mta_path=$(awk '/^sendmail[ \t]/{print$2}' /etc/mailer.conf)
     79 	_postfix_path="/usr/libexec/postfix/sendmail"
     80 	_sendmail_path="/usr/libexec/sendmail/sendmail"
     81 
     82 	if [ "${postfix}" != "check" ]; then
     83 	    echo "${postfix}"
     84 	elif [ "${_mta_path}" = "${_postfix_path}" ]; then
     85 	    echo YES
     86 	else
     87 	    echo "WARNING: default postfix not used as not selected in mailer.conf" >&2
     88 	    if [ "${_mta_path}" = "${_sendmail_path}" ] &&
     89 	     ! [ -x "${_mta_path}" ]; then
     90 		echo "WARNING: mailer.conf points to the removed sendmail" >&2
     91 		echo "update /etc/mailer.conf to get a working mailer configuration" >&2
     92 	    fi
     93 	    echo NO
     94 	fi
     95 }
     96 
     97 # force re-evaluation of /etc/rc.conf and resetting of $sendmail
     98 _rc_conf_loaded=false
     99 _rc_d_postfix=check
    100 load_rc_config $name
    101 unset _rc_d_postfix
    102 postfix=$(check_use_postfix)
    103 run_rc_command "$1"
    104