Listing 1 The "check" script

#!/bin/ksh

PATH=/usr/bin:/usr/local/bin
export PATH

# Command line args "check hostname [port [tarcmd]]
#
HOST=$1                   # host to scan 
PORT=${2:-22}             # specify alternate port for SSH daemon
REMTARCMD=${3:-/bin/tar}  # path to GNU tar on remote machine

# Local pathname definitions
#
ROOTDIR=/usr/local/aide   # where tarballs live on local system
TEMPFILE=$ROOTDIR/.run$$  # temp file to use for output

# Pick up other settings
. $ROOTDIR/DECL


if [ ! -f $ROOTDIR/$HOST.tgz ]; then
    echo "Tarball $ROOTDIR/$HOST.tgz does not exist!"
    exit 255
fi

cp /dev/null $TEMPFILE

scp -P $PORT $ROOTDIR/$HOST.tgz ${HOST}:$REM_DIR/$REM_ARCH \
    >>$TEMPFILE 2>&1
ssh -p $PORT $HOST "(cd $REM_DIR; \
                     $REMTARCMD zxfp $REM_ARCH; \
                     cd $REM_IDIR; \
                     ./$REM_CMD --config=./$REM_CONF --update; \
                     $REMTARCMD zcf $REM_ARCH $REM_NEWDB)" \
    >>$TEMPFILE 2>&1
scp -P $PORT ${HOST}:$REM_DIR/$REM_IDIR/$REM_ARCH \
    $ROOTDIR/$HOST.tgz-update >>$TEMPFILE 2>&1
ssh -p $PORT $HOST /bin/rm -rf $REM_DIR/$REM_IDIR $REM_DIR/$REM_ARCH \
    >>$TEMPFILE 2>&1

if [ ! "`grep '### All files match AIDE database' $TEMPFILE`" ]
then
    awk "!/^Authorized/ && !/^$HOST.tgz:/ { print }" $TEMPFILE
fi
rm $TEMPFILE