#!/bin/sh
# setup.anonftp - Anonymous FTP setup and maintenance.
#
# 01/22/96 Initial Release	Al Woodhul, <asw@hampshire.edu>
# 01/25/96			Michael Temari, <temari@ix.netcom.com>
#

# What is needed for anon ftp

# ref: Hunt TCP/IP Net Admin pp. 338++
# ref: Nemeth et al UNIX System Admin Handbook p. 295
# ref: mail from M. Temari 18.01.96

# programs possibly used by ftpd
PROGS="sh ls crc tar compress gzip"

echo Checking /etc/passwd
if grep '^ftp:[^:]*:[1-9][0-9]*:[1-9][0-9]*:[^:]*:/[^:]*:[^:]*$' \
						/etc/passwd >/dev/null
then
  echo -n "OK, ftp entry found: "
  grep '^ftp:' /etc/passwd
else
  echo "Found no entry for ftp in /etc/passwd, please add one with the"
  echo "home directory pointing to the anonymous FTP directory"
  exit 1
fi

# ftp directory
FTPDIR="`sed '/^ftp:/!d; s/^.*:\\([^:]*\\):[^:]*/\\1/' /etc/passwd`"

if [ `whoami` != root ]
then
  echo You must be root to do this
  exit 1
fi

echo Setting up for anonymous ftp

echo Making $FTPDIR and subdirectories
install -d -m 755 -o root -g operator $FTPDIR
install -d -m 751 -o root -g operator $FTPDIR/bin
install -d -m 751 -o root -g operator $FTPDIR/dev
install -d -m 751 -o root -g operator $FTPDIR/etc
install -d -m 755 -o root -g operator $FTPDIR/pub
incoming=
if [ -d $FTPDIR/pub/incoming ]
then
	incoming=t
elif [ -t 0 ]
then
	echo -n "Create \"incoming\" directory? [n] "; read yn
	case "$yn" in
	[yY]*|ok|sure)	incoming=t
	esac
fi
test "$incoming" && install -d -m 777 -o root -g operator $FTPDIR/pub/incoming

echo Copying files
for PROG in $PROGS
do
  test -f /usr/bin/$PROG && install -lcs /usr/bin/$PROG $FTPDIR/bin
done
cp -rp /dev/tcp $FTPDIR/dev/tcp
install -lcs ftpdsh $FTPDIR/bin

echo Copying a minimum of the password and group files
sed 's/^\([^:]*\):[^:]*:\([^:]*:[^:]*\):.*$/\1:*:\2:::/' \
					/etc/passwd >$FTPDIR/etc/passwd
sed 's/^\([^:]*\):[^:]*:\([^:]*\):.*$/\1:*:\2:/' \
					/etc/group >$FTPDIR/etc/group
chown root:operator $FTPDIR/etc/*
chmod 444 $FTPDIR/etc/*

echo "Anonymous ftp setup complete"