1#!/bin/sh 2# 3# nsd-control-setup.sh - set up SSL certificates for nsd-control 4# 5# Copyright (c) 2011, NLnet Labs. All rights reserved. 6# 7# This software is open source. 8# 9# Redistribution and use in source and binary forms, with or without 10# modification, are permitted provided that the following conditions 11# are met: 12# 13# Redistributions of source code must retain the above copyright notice, 14# this list of conditions and the following disclaimer. 15# 16# Redistributions in binary form must reproduce the above copyright notice, 17# this list of conditions and the following disclaimer in the documentation 18# and/or other materials provided with the distribution. 19# 20# Neither the name of the NLNET LABS nor the names of its contributors may 21# be used to endorse or promote products derived from this software without 22# specific prior written permission. 23# 24# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 25# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 26# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 27# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 28# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 29# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 30# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 31# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 32# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 33# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 34# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35 36# settings: 37 38# directory for files 39DESTDIR=@configdir@ 40 41# issuer and subject name for certificates 42SERVERNAME=nsd 43CLIENTNAME=nsd-control 44 45# validity period for certificates 46DAYS=7200 47 48# size of keys in bits 49BITS=3072 50 51# hash algorithm 52HASH=sha256 53 54# base name for nsd server keys 55SVR_BASE=nsd_server 56 57# base name for nsd-control keys 58CTL_BASE=nsd_control 59 60# we want -rw-r--- access (say you run this as root: grp=yes (server), all=no). 61umask 0026 62 63# end of options 64 65# functions: 66error ( ) { 67 echo "$0 fatal error: $1" 68 exit 1 69} 70 71# check arguments: 72while test $# -ne 0; do 73 case $1 in 74 -d) 75 if test $# -eq 1; then error "need argument for -d"; fi 76 DESTDIR="$2" 77 shift 78 ;; 79 *) 80 echo "nsd-control-setup.sh - setup SSL keys for nsd-control" 81 echo " -d dir use directory to store keys and certificates." 82 echo " default: $DESTDIR" 83 exit 1 84 ;; 85 esac 86 shift 87done 88 89# go!: 90echo "setup in directory $DESTDIR" 91cd "$DESTDIR" || error "could not cd to $DESTDIR" 92 93# create certificate keys; do not recreate if they already exist. 94if test -f $SVR_BASE.key; then 95 echo "$SVR_BASE.key exists" 96else 97 echo "generating $SVR_BASE.key" 98 openssl genrsa -out $SVR_BASE.key $BITS || error "could not genrsa" 99fi 100if test -f $CTL_BASE.key; then 101 echo "$CTL_BASE.key exists" 102else 103 echo "generating $CTL_BASE.key" 104 openssl genrsa -out $CTL_BASE.key $BITS || error "could not genrsa" 105fi 106 107# create self-signed cert for server 108cat >request.cfg <<EOF 109[req] 110default_bits=$BITS 111default_md=$HASH 112prompt=no 113distinguished_name=req_distinguished_name 114 115[req_distinguished_name] 116commonName=$SERVERNAME 117EOF 118test -f request.cfg || error "could not create request.cfg" 119 120echo "create $SVR_BASE.pem (self signed certificate)" 121openssl req -key $SVR_BASE.key -config request.cfg -new -x509 -days $DAYS -out $SVR_BASE.pem || error "could not create $SVR_BASE.pem" 122# create trusted usage pem 123openssl x509 -in $SVR_BASE.pem -addtrust serverAuth -out $SVR_BASE"_trust.pem" 124 125# create client request and sign it, piped 126cat >request.cfg <<EOF 127[req] 128default_bits=$BITS 129default_md=$HASH 130prompt=no 131distinguished_name=req_distinguished_name 132 133[req_distinguished_name] 134commonName=$CLIENTNAME 135EOF 136test -f request.cfg || error "could not create request.cfg" 137 138echo "create $CTL_BASE.pem (signed client certificate)" 139openssl req -key $CTL_BASE.key -config request.cfg -new | openssl x509 -req -days $DAYS -CA $SVR_BASE"_trust.pem" -CAkey $SVR_BASE.key -CAcreateserial -$HASH -out $CTL_BASE.pem 140test -f $CTL_BASE.pem || error "could not create $CTL_BASE.pem" 141# create trusted usage pem 142# openssl x509 -in $CTL_BASE.pem -addtrust clientAuth -out $CTL_BASE"_trust.pem" 143 144# see details with openssl x509 -noout -text < $SVR_BASE.pem 145# echo "create $CTL_BASE""_browser.pfx (web client certificate)" 146# echo "create webbrowser PKCS#12 .PFX certificate file. In Firefox import in:" 147# echo "preferences - advanced - encryption - view certificates - your certs" 148# echo "empty password is used, simply click OK on the password dialog box." 149# openssl pkcs12 -export -in $CTL_BASE"_trust.pem" -inkey $CTL_BASE.key -name "nsd remote control client cert" -out $CTL_BASE"_browser.pfx" -password "pass:" || error "could not create browser certificate" 150 151# remove unused permissions 152chmod o-rw $SVR_BASE.pem $SVR_BASE.key $CTL_BASE.pem $CTL_BASE.key 153 154# remove crap 155rm -f request.cfg 156rm -f $CTL_BASE"_trust.pem" $SVR_BASE"_trust.pem" $SVR_BASE"_trust.srl" 157 158echo "Setup success. Certificates created. Enable in nsd.conf file to use" 159 160exit 0 161