#!/bin/sh
# bv-keygen v1.1.1  (c) 15.6.98 by Andreas Ley  (u) 26.1.2009
# Generate key to use misc. bv commands

if test $# -eq 0; then
	echo "Usage: `basename $0` command [...]" >&2
	exit 1
fi

if test ! -d $HOME/.ssh; then
	mkdir $HOME/.ssh
	chmod 0700 $HOME/.ssh
fi

for cmd do
	if test -f $HOME/.ssh/identity-${cmd} -o -f $HOME/.ssh/identity-${cmd}.pub; then
		echo "You already have a key for ${cmd}" >&2
	else
		echo "Generating key for ${cmd}" >&2
		ssh-keygen -b 1024 -f $HOME/.ssh/identity-${cmd} -C $LOGNAME@rz.uni-karlsruhe.de >/dev/null
		# FIXME: Check for local filesystem $HOME/.ssh
		# FIXME: if not, check for passphrase
		# FIXME: if not, rerun passphrase setting
		echo "Sending key to administrator" >&2
		(echo "Subject: ${cmd} fuer $LOGNAME"
		echo
		echo "Eintrag fuer ~bvadm/.ssh/authorized_keys:"
		echo
		echo "command=\"/bv/batch/${cmd} '\${SSH_ORIGINAL_COMMAND}'\",from=\"*.rz.uni-karlsruhe.de,*.scc.kit.edu\",environment=\"BVUSER=$LOGNAME\",no-port-forwarding,no-agent-forwarding`test \"${cmd}\" = \"bvmenu\" || echo \",no-X11-forwarding,no-pty\"` `cat $HOME/.ssh/identity-${cmd}.pub`") | /usr/lib/sendmail -i bvadm@rz.uni-karlsruhe.de
	fi
done

exit 0