Cross Reference: /solaris-userland/components/sendmail/files/smtp-sendmail

#!/usr/sbin/sh
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
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# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
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# Copyright (c) 1991, 2013, Oracle and/or its affiliates. All rights reserved.

. /lib/svc/share/smf_include.sh
. /lib/svc/share/sendmail_include.sh

ERRMSG1='WARNING: /var/mail is NFS-mounted without setting actimeo=0,'
ERRMSG2='this can cause mailbox locking and access problems.'
SERVER_PID_FILE="$SMF_SYSVOL_FS/sendmail.pid"
ALIASES_FILE="/etc/mail/aliases"
SENDMAIL_CF="/etc/mail/sendmail.cf"
MAKEMAP="/usr/sbin/makemap"

case "$1" in
'refresh')
        [ -f $SERVER_PID_FILE ] && kill -1 `head -1 $SERVER_PID_FILE`
        ;;

'start')
    exist_or_exit $SENDMAIL
    if [ ! -d /var/spool/mqueue ]; then
        /usr/bin/mkdir -m 0750 /var/spool/mqueue
        /usr/bin/chown root:bin /var/spool/mqueue
    fi
    if [ ! -d /var/mail/:saved ]; then
        /usr/bin/mkdir -m 0775 /var/mail/:saved
        /usr/bin/chown root:mail /var/mail/:saved
    fi
    dbvers=`/usr/bin/svcprop -c -p config/db_version $SMF_FMRI 2>/dev/null`
    if [ $? -ne 0 -o "$dbvers" != "5" ]; then
        # Need to upgrade Berkeley DB version
        # Part 1: blow away aliases DB files; we will recreate them
        # just below.
        # Part 2: keyed maps are handled further below.
        /usr/bin/rm -f $ALIASES_FILE.db $ALIASES_FILE.dir \
            $ALIASES_FILE.pag
        db_version_upgrade_needed=true
    fi
    if [ ! -f $ALIASES_FILE.db ] && [ ! -f $ALIASES_FILE.dir ] \
        && [ ! -f $ALIASES_FILE.pag ]; then
        /usr/sbin/newaliases
    fi
    MODE="-bd"
    [ -f $DEFAULT_FILE ] && . $DEFAULT_FILE
    #
    # * MODE should be "-bd" or null (MODE= or MODE="") or
    #   left alone.  Anything else and you're on your own.
    # * QUEUEOPTION should be "p" or null (as above).
    # * QUEUEINTERVAL should be set to some legal value;
    #   sanity checks are done below.
    # * OPTIONS are catch-alls; set with care.
    #
    if [ -n "$QUEUEOPTION" -a "$QUEUEOPTION" != "p" ]; then
        QUEUEOPTION=""
    fi
    if [ -z "$QUEUEOPTION" -o -n "$QUEUEINTERVAL" ]; then
        check_queue_interval_syntax $QUEUEINTERVAL
        QUEUEINTERVAL=$answer
    fi

    local=`/usr/bin/svcprop -p config/local_only $SMF_FMRI 2>/dev/null`
    if [ $? -eq 0 -a "$local" = "true" ]; then
        MODE="-bl"
    fi
    sendmail_path=`svcprop -p config/path_to_sendmail_mc $SMF_FMRI \
        2>/dev/null`
    if [ $? -eq 0 -a -n "$sendmail_path" ]; then
        turn_m4_crank "$SENDMAIL_CF" "$sendmail_path"
    fi
    exist_or_exit "$SENDMAIL_CF"
    if [ -n "$db_version_upgrade_needed" ]; then
        # Find the Keyed map lines, extract the arguments, run
        # makemap to create the maps with the upgraded DB version.
        /usr/bin/nawk '
            $1 ~ /^K/ && $2 ~ /^(hash|btree|dbm)$/ {
            print $2, $NF
            } ' "$SENDMAIL_CF" |
        while read dbtyp file; do
            if [ "$dbtyp" == "dbm" ]; then
                /usr/bin/rm -f $file.dir $file.pag
            else
                /usr/bin/rm -f $file.db
            fi
            echo "Executing \"$MAKEMAP $dbtyp $file < $file\"."
            $MAKEMAP $dbtyp $file < $file
            result=$?
            if [ $result -ne 0 ]; then
                echo "Failed to update keyed map files."
                echo "$MAKEMAP failed with error $result."
                echo "Run makemap manually."
                exit $SMF_EXIT_ERR_CONFIG
            fi
        done

        # Finally, update the service property.
        /usr/sbin/svccfg -s $SMF_FMRI setprop config/db_version=5

        # We refresh the service to get the above property setting
        # into the running snapshot.  This will result in SMF
        # invoking this script with $1 set to "refresh" immediately
        # upon completion of this "start" invocation.  But since
        # sendmail sets up its SIGHUP handler before it writes
        # its PID file, this should be OK: either the PID file
        # will not yet exist, in which case, the "refresh" will
        # do nothing (beyond getting the property setting into the
        # running snapshot), or the PID file will exist, in which
        # case the SIGHUP handler will have already been set up,
        # and sendmail will catch the SIGHUP and re-exec itself.
        /usr/sbin/svcadm refresh $SMF_FMRI
    fi

    $SENDMAIL $MODE -q$QUEUEOPTION$QUEUEINTERVAL $OPTIONS &

    #
    # ETRN_HOSTS should be of the form
    # "s1:c1.1,c1.2        s2:c2.1 s3:c3.1,c3.2,c3.3"
    # i.e., white-space separated groups of server:client where
    # client can be one or more comma-separated names; N.B. that
    # the :client part is optional; see etrn(1M) for details.
    # server is the name of the server to prod; a mail queue run
    # is requested for each client name.  This is comparable to
    # running "/usr/lib/sendmail -qRclient" on the host server.
    #
    # See RFC 1985 for more information.
    #
    for i in $ETRN_HOSTS; do
        SERVER=`echo $i | /usr/bin/sed -e 's/:.*$//'`
        CLIENTS=`echo $i | /usr/bin/sed -n -e 's/,/ /g' \
            -e '/:/s/^.*://p'`
        /usr/sbin/etrn -b $SERVER $CLIENTS >/dev/null 2>&1 &
    done

    if /usr/bin/nawk 'BEGIN{s = 1}
        $2 == "/var/mail" && $3 == "nfs" && $4 !~ /actimeo=0/ &&
        $4 !~ /noac/{s = 0} END{exit s}' /etc/mnttab; then

        /usr/bin/logger -p mail.crit "$ERRMSG1"
        /usr/bin/logger -p mail.crit "$ERRMSG2"
    fi
    ;;

'stop')
    [ -f $SERVER_PID_FILE ] && check_and_kill $SERVER_PID_FILE
    # Need to kill the entire service contract to kill all sendmail related
    # processes
    smf_kill_contract $2 TERM 1 30
    ret=$?
    [ $ret -eq 1 ] && exit 1

    # Since sendmail spawns user processes out of .forward files, it is
    # possible that some of these are not responding to TERM.  If the
    # contract did not empty after TERM, move on to KILL.
    if [ $ret -eq 2 ] ; then
        smf_kill_contract $2 KILL 1
    fi
    ;;

*)
    echo "Usage: $0 { start | stop | refresh }"
    exit 1
    ;;
esac
exit 0