#!/bin/sh -e

# WARNING: This is still untested.

if [ -f /usr/sbin/sendmail -a ! -h /usr/sbin/sendmail ]
then
  original=/usr/sbin/sendmail
elif [ -f /usr/lib/sendmail -a ! -h /usr/lib/sendmail ]
then
  original=/usr/lib/sendmail
else
  exit 1
fi

mta=/etc/mta
umask 077
[ -d /usr/lib/mta ] || mkdir /usr/lib/mta
mkdir /usr/lib/mta/sendmail
ln -s /usr/lib/mta/sendmail $mta

cp -p $original $mta/send
cp -p /bin/rmail $mta/rmail

echo '#!/bin/sh
exec sendmail -bp' > $mta/showqueue
echo '#!/bin/sh
exec sendmail -q' > $mta/runqueue
echo '#!/bin/sh
exec sendmail -bh' > $mta/showfailures
echo '#!/bin/sh
exec sendmail -bH' > $mta/clearfailures
echo '#!/bin/sh
exec sendmail -bi' > $mta/newaliases
echo '#!/bin/sh
exec sendmail -bd -q15m' > $mta/start
echo '#!/bin/sh
echo Manually kill sendmail and wait for its children to die.' > $mta/stop
echo '#!/bin/sh
echo Manually kill -HUP sendmail.' > $mta/newconf

chmod 755 $mta/showqueue $mta/runqueue
chmod 755 $mta/showfailures $mta/clearfailures
chmod 755 $mta/newaliases $mta/start $mta/stop
chmod 755 $mta

x=/bin/rmail;           [ -f $x ] && (rm -f $x; ln -s $mta/rmail $x)
x=/usr/sbin/sendmail;   [ -f $x ] && (rm -f $x; ln -s $mta/send $x)
x=/usr/lib/sendmail;    [ -f $x ] && (rm -f $x; ln -s $mta/send $x)
x=/usr/bin/mailq;       [ -f $x ] && (rm -f $x; ln -s $mta/showqueue $x)
x=/usr/sbin/mailq;      [ -f $x ] && (rm -f $x; ln -s $mta/showqueue $x)
x=/usr/ucb/mailq;       [ -f $x ] && (rm -f $x; ln -s $mta/showqueue $x)
x=/usr/bsd/mailq;       [ -f $x ] && (rm -f $x; ln -s $mta/showqueue $x)
x=/usr/lib/mailq;       [ -f $x ] && (rm -f $x; ln -s $mta/showqueue $x)
x=/usr/bin/newaliases;  [ -f $x ] && (rm -f $x; ln -s $mta/newaliases $x)
x=/usr/sbin/newaliases; [ -f $x ] && (rm -f $x; ln -s $mta/newaliases $x)
x=/usr/ucb/newaliases;  [ -f $x ] && (rm -f $x; ln -s $mta/newaliases $x)
x=/usr/bsd/newaliases;  [ -f $x ] && (rm -f $x; ln -s $mta/newaliases $x)
x=/usr/lib/newaliases;  [ -f $x ] && (rm -f $x; ln -s $mta/newaliases $x)
x=/usr/bin/hoststat;    [ -f $x ] && (rm -f $x; ln -s $mta/showfailures $x)
x=/usr/sbin/hoststat;   [ -f $x ] && (rm -f $x; ln -s $mta/showfailures $x)
x=/usr/ucb/hoststat;    [ -f $x ] && (rm -f $x; ln -s $mta/showfailures $x)
x=/usr/bsd/hoststat;    [ -f $x ] && (rm -f $x; ln -s $mta/showfailures $x)
x=/usr/lib/hoststat;    [ -f $x ] && (rm -f $x; ln -s $mta/showfailures $x)
x=/usr/bin/purgestat;   [ -f $x ] && (rm -f $x; ln -s $mta/clearfailures $x)
x=/usr/sbin/purgestat;  [ -f $x ] && (rm -f $x; ln -s $mta/clearfailures $x)
x=/usr/ucb/purgestat;   [ -f $x ] && (rm -f $x; ln -s $mta/clearfailures $x)
x=/usr/bsd/purgestat;   [ -f $x ] && (rm -f $x; ln -s $mta/clearfailures $x)
x=/usr/lib/purgestat;   [ -f $x ] && (rm -f $x; ln -s $mta/clearfailures $x)