#!/bin/bash
#
# priority: 500
#
# Generate GPG keys
#
# Mark Huang <mlhuang@cs.princeton.edu>
# Copyright (C) 2006 The Trustees of Princeton University
#
# $Id: guest.init,v 1.12 2006/04/04 22:09:47 mlhuang Exp $
#

# Source function library and configuration
. /etc/plc.d/functions

case "$1" in
    start)
	# Generate GPG keyrings
	if [ ! -f $PLC_ROOT_GPG_KEY_PUB -o ! -f $PLC_ROOT_GPG_KEY ] ; then
	    MESSAGE=$"Generating GPG keys"
	    dialog "$MESSAGE"

	    mkdir -p $(dirname $PLC_ROOT_GPG_KEY_PUB)
	    mkdir -p $(dirname $PLC_ROOT_GPG_KEY)

	    # Temporarily replace /dev/random with /dev/urandom to
	    # avoid running out of entropy.
	    rm -f /dev/random
	    mknod /dev/random c 1 9
	    gpg --homedir=/root --batch --gen-key <<EOF
Key-Type: DSA
Key-Length: 1024
Subkey-Type: ELG-E
Subkey-Length: 1024
Name-Real: $PLC_NAME Central
Name-Comment: http://$PLC_WWW_HOST/
Name-Email: $PLC_MAIL_SUPPORT_ADDRESS
Expire-Date: 0
%pubring $PLC_ROOT_GPG_KEY_PUB
%secring $PLC_ROOT_GPG_KEY
%commit
EOF
	    check
	    rm -f /dev/random
	    mknod /dev/random c 1 8
	    chmod 600 $PLC_ROOT_GPG_KEY_PUB $PLC_ROOT_GPG_KEY

	    result "$MESSAGE"
	fi
	;;
esac

exit $ERRORS