#!/bin/sh -e
#
# Debian package postinst
# Version 1.2
#
# Robert Leslie <rob@mars.org>
# Note: can't use debhelper here because the actions aren't contiguous

case "$1" in
    configure)
	# continue below
    ;;

    abort-upgrade|abort-remove|abort-deconfigure)
	exit 0
    ;;

    *)
	echo "postinst called with unknown argument \`$1'" >&2
	exit 0
    ;;
esac

#if [ "$2" == "" ]; then echo "first time"; fi

if [ -e /etc/suid.conf -a -x /usr/sbin/suidregister ]; then
	suidregister -s sendmail /usr/sbin/sendmail root root 4755
else
	chown root.root /usr/sbin/sendmail
	chmod 4755 /usr/sbin/sendmail
fi

if [ ! -d /etc/mail ]
then
    mkdir /etc/mail
    chown 0.0 /etc/mail
    chmod 755 /etc/mail
fi

if [ ! -d /var/spool/mqueue ]
then
    mkdir /var/spool/mqueue
    chown 0.0 /var/spool/mqueue
    chmod 700 /var/spool/mqueue
fi

if [ ! -f /var/log/sendmail.st ]
then
    touch /var/log/sendmail.st
    chown 0.0 /var/log/sendmail.st
    chmod 644 /var/log/sendmail.st
fi

update-rc.d sendmail defaults >/dev/null
update-inetd --disable smtp

# Move old configuration files to their new home

if [ -f /etc/sendmail.cf -a  \
    ! -L /etc/sendmail.cf -a  \
    ! -f /etc/mail/sendmail.cf ]
then
    echo "This version of the Debian sendmail package keeps its configuration"
    echo "files under /etc/mail. You already have some sendmail configuration"
    echo -n "files in /etc; would you like to move them to /etc/mail? [Y] "
    read yn
    test -n "$yn" || yn="Y"

    case "$yn" in
	[Yy]*)
	    echo "Moving /etc/sendmail.* to /etc/mail ..."
	    mv -f /etc/sendmail.* /etc/mail/.

	    test ! -f /etc/mail/sendmail.cf ||  \
		mv -f /etc/mail/sendmail.cf /etc/mail/sendmail.cf.old
	;;

	*)
	    echo "Okay, leaving them where they are; they won't be used."
	;;
    esac
fi

# Make sure /etc/sendmail.cf points to /etc/mail/sendmail.cf

if [ -e /etc/sendmail.cf ]
then
    if [ -L /etc/sendmail.cf ]
    then
	rm -f /etc/sendmail.cf
    else
	echo "Saving old /etc/sendmail.cf as /etc/sendmail.cf.old ..."
	mv -f /etc/sendmail.cf /etc/sendmail.cf.old
    fi
fi
#ln -sf mail/sendmail.cf /etc/sendmail.cf

#-----------------------------------------------------------
if test "$1" = configure && dpkg --compare-versions "$2" lt 8.9.1-13; then
   echo " "
   echo "*** IMPORTANT ***"
   echo " "
   echo "The format of sendmails databases has changed (now using libdb2)."
   echo "You *MUST* update your databases (newaliases, users, etc.)"
   echo "before allowing sendmail to restart."
   echo " "
   echo "Press <Enter> to continue"  
   read yn
   fi
   
#-----------------------------------------------------------
# Check existing /etc/mail/sendmail.cf

if [ -f /etc/mail/sendmail.cf ]; then
    if test "$1" = configure && dpkg --compare-versions "$2" lt 8.9.2; then
	echo " "
	echo "*** IMPORTANT ***"
	echo " "
	echo "This version of sendmail moves more configuration files from"
	echo "/etc/... to /etc/mail/... ie: domaintable,genericstable, etc."
	echo " "
	echo "If you you use any of these, you *MUST*:"     
	echo "  1)" 
	echo "    A) Move them by hand from /etc/... to /etc/mail/..."
	echo "    B) Move any script to create databases from the text"
	echo "    or"
	echo "  2) Update your sendmail.mc to explicitly name the file"
	echo "     FEATURE(genericstable, \`hash -o /etc/mail/genericstable.db')dnl" 
	echo " "
	echo "Press <Enter> to continue"
	read yn
	fi
    if (sed -n -e "/^DZ/s/^DZ//p" /etc/mail/sendmail.cf \
    	| grep "8.9.3" > /dev/null); then
	echo "Existing /etc/mail/sendmail.cf found, and it appears it may be"
	echo -n "compatible with this version of sendmail.  Use it? [Y] "
	read yn
	test -n "$yn" || yn="Y"
    else
	echo "Existing /etc/mail/sendmail.cf found, but it was made for"
	echo -n "an older version of sendmail.  Use it anyway? [N] "
	read yn
	test -n "$yn" || yn="N"
    fi

    case "$yn" in
	[Yy]*)
	;;

	*)
	    echo "Saving old /etc/mail/sendmail.cf"  \
		"as /etc/mail/sendmail.cf.old ..."
	    mv -f /etc/mail/sendmail.cf /etc/mail/sendmail.cf.old
	;;
    	esac
fi

test -f /etc/mail/sendmail.cf || sendmailconfig --no-reload

# Start server

echo -n "Start sendmail now? [Y] "
read yn
test -n "$yn" || yn="Y"

case "$yn" in
    [Nn]*)
	echo "Not started; to start later, do: /etc/init.d/sendmail start"
	echo -n "Press [ENTER] "
	read line
    ;;

    *)
	/etc/init.d/sendmail start
    ;;
esac