#!/bin/sh
# Copy-All-SSHkeys v1.0  (c) 18.11.2002 by Andreas Ley  (u) 18.11.2002
# Kopieren der SSH-Hosykeys in die Homeverzeichnisse auf der Celerra

usage()
{
	echo "Usage: `basename $0` [-v] [filesystem [...]]" >&2
	exit 1
}

set -- `getopt hxv $*` || usage

trace=false
verbose=false
while :; do
	case $1 in
		-h)	sed '1d;s/^# *//;/^$/q' $0; usage;;
		-x)	set -x; trace=true; shift;;
		-v)	verbose=true; shift;;
		--)	shift; break;;
	esac
done

test $# -eq 0 && set `mount | sed -n 's/^\(\/export\/[^ ]*\).*/\1/p' | sort`

PATH=/usr/bin:/bin:/usr/machine/sbin
export PATH

umask 077

for fs do
	if test -d "${fs}/user"; then

		# Calculate list of commonly used hosts
		case "${fs}" in
			/export/rzfs-u?)
				targets="rzstud1.rz rzstud2.rz rzstud3.rz rzstud4.rz rzstud5.rz rzstud.rz www.stud"
				;;
			*)
				targets="rz70.rz rz73.rz rz80.rz rz81.rz rz82.rz rz90.rz rzaix.rz rzlx1.rz"
				;;
		esac

		ls -1 "${fs}/user" | while read user; do
			dir="${fs}/user/${user}"
			if test -d "${dir}"; then
				${verbose} && echo "${user}"

				# Create directory for WinSSH Hostkeys
				keys="${dir}/w2k/profile/Application Data/SSH/HostKeys"
				owner "${dir}" /usr/bin/mkdir -p "${keys}" || exit 1

				# Link WinSSH Hostkeys
				for target in ${targets}; do
					host=`echo ${target} | cut -d. -f1`
					subdomain=`echo ${target} | cut -d. -f2`
					for domain in "" ".${subdomain}" ".${subdomain}.uni-karlsruhe.de"; do
						if test ! -f "${keys}/key_24_${host}${domain}.pub"; then
							# Don't fail on quota exceeded
							owner "${dir}" /usr/bin/cp -p "/usr/common/machine/etc/ssh2/hostkeys/key_24_${host}${domain}.pub" "${keys}" # || exit 1
						fi
					done
				done

			fi
		done

	fi
done

exit 0