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Diffstat (limited to '')
| -rwxr-xr-x | easy-rsa/pkitool | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/easy-rsa/pkitool b/easy-rsa/pkitool new file mode 100755 index 0000000..2d2d764 --- /dev/null +++ b/easy-rsa/pkitool @@ -0,0 +1,233 @@ +#!/bin/sh + +# OpenVPN -- An application to securely tunnel IP networks +# over a single TCP/UDP port, with support for SSL/TLS-based +# session authentication and key exchange, +# packet encryption, packet authentication, and +# packet compression. +# +# Copyright (C) 2002-2005 OpenVPN Solutions LLC <info@openvpn.net> +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 +# as published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program (see the file COPYING included with this +# distribution); if not, write to the Free Software Foundation, Inc., +# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +# pkitool is a front-end for the openssl tool. + +# Calling scripts can set the certificate organizational +# unit with the KEY_OU environmental variable. + +PROGNAME=pkitool +VERSION=2.0 +DEBUG=0 + +GREP=grep +OPENSSL=openssl + +need_vars() +{ + echo ' Please edit the vars script to reflect your configuration,' + echo ' then source it with "source ./vars".' + echo ' Next, to start with a fresh PKI configuration and to delete any' + echo ' previous certificates and keys, run "./clean-all".' + echo " Finally, you can run this tool ($PROGNAME) to build certificates/keys." +} + +usage() +{ + echo "$PROGNAME $VERSION" + echo "Usage: $PROGNAME [options...] [common-name]" + echo "Options:" + echo " --batch : batch mode (default)" + echo " --interact : interactive mode" + echo " --server : build server cert" + echo " --initca : build root CA" + echo " --inter : build intermediate CA" + echo " --pass : encrypt private key with password" + echo " --csr : only generate a CSR, do not sign" + echo " --sign : sign an existing CSR" + echo " --pkcs12 : generate a combined pkcs12 file" + echo "Notes:" + need_vars + echo "Generated files and corresponding OpenVPN directives:" + echo '(Files will be placed in the $KEY_DIR directory, defined in ./vars)' + echo " ca.crt -> root certificate (--ca)" + echo " ca.key -> root key, keep secure (not directly used by OpenVPN)" + echo " .crt files -> client/server certificates (--cert)" + echo " .key files -> private keys, keep secure (--key)" + echo " .csr files -> certificate signing request (not directly used by OpenVPN)" + echo " dh1024.pem or dh2048.pem -> Diffie Hellman parameters (--dh)" + echo "Examples:" + echo " $PROGNAME --initca -> Build root certificate" + echo " $PROGNAME --initca --pass -> Build root certificate with password-protected key" + echo " $PROGNAME --server server1 -> Build \"server1\" certificate/key" + echo " $PROGNAME client1 -> Build \"client1\" certificate/key" + echo " $PROGNAME --pass client2 -> Build password-protected \"client2\" certificate/key" + echo " $PROGNAME --pkcs12 client3 -> Build \"client3\" certificate/key in PKCS #12 format" + echo " $PROGNAME --csr client4 -> Build \"client4\" CSR to be signed by another CA" + echo " $PROGNAME --sign client4 -> Sign \"client4\" CSR" + echo " $PROGNAME --inter interca -> Build an intermediate key-signing certificate/key" + echo " Also see ./inherit-inter script." + echo "Typical usage for initial PKI setup. Build myserver, client1, and client2 cert/keys." + echo "Protect client2 key with a password. Build DH parms. Generated files in ./keys :" + echo " [edit vars with your site-specific info]" + echo " source ./vars" + echo " ./clean-all" + echo " ./build-dh -> takes a long time, consider backgrounding" + echo " ./$PROGNAME --initca" + echo " ./$PROGNAME --server myserver" + echo " ./$PROGNAME client1" + echo " ./$PROGNAME --pass client2" + echo "Typical usage for adding client cert to existing PKI:" + echo " source ./vars" + echo " ./$PROGNAME client-new" +} + +# Set defaults +DO_REQ="1" +REQ_EXT="" +DO_CA="1" +CA_EXT="" +DO_P12="0" +DO_ROOT="0" +NODES_REQ="-nodes" +NODES_P12="" +BATCH="-batch" +CA="ca" + +# Process options +while [ $# -gt 0 ]; do + case "$1" in + --server ) REQ_EXT="$REQ_EXT -extensions server" + CA_EXT="$CA_EXT -extensions server" ;; + --batch ) BATCH="-batch" ;; + --interact ) BATCH="" ;; + --inter ) CA_EXT="$CA_EXT -extensions v3_ca" ;; + --initca ) DO_ROOT="1" ;; + --pass ) NODES_REQ="" ;; + --csr ) DO_CA="0" ;; + --sign ) DO_REQ="0" ;; + --pkcs12 ) DO_P12="1" ;; + --* ) echo "$PROGNAME: unknown option: $1" + exit 1 ;; + * ) break ;; + esac + shift +done + +# If we are generating pkcs12, only encrypt the final step +if [ $DO_P12 -eq 1 ]; then + NODES_P12="$NODES_REQ" + NODES_REQ="-nodes" +fi + +# If undefined, set default key expiration intervals +if [ -z "$KEY_EXPIRE" ]; then + KEY_EXPIRE=3650 +fi +if [ -z "$CA_EXPIRE" ]; then + CA_EXPIRE=3650 +fi + +# Set organizational unit to empty string if undefined +if [ -z "$KEY_OU" ]; then + KEY_OU="" +fi + +# Set KEY_CN +if [ $DO_ROOT -eq 1 ]; then + if [ -z "$KEY_CN" ]; then + if [ "$1" ]; then + KEY_CN="$1" + elif [ "$KEY_ORG" ]; then + KEY_CN="$KEY_ORG CA" + fi + fi + if [ $BATCH ] && [ "$KEY_CN" ]; then + echo "Using CA Common Name:" $KEY_CN + fi +elif [ $BATCH ] && [ "$KEY_CN" ] && [ $# -eq 0 ]; then + echo "Using Common Name:" $KEY_CN +else + if [ $# -ne 1 ]; then + usage + exit 1 + else + KEY_CN="$1" + fi +fi +export CA_EXPIRE KEY_EXPIRE KEY_OU KEY_CN + +# Show parameters (debugging) +if [ $DEBUG -eq 1 ]; then + echo DO_REQ $DO_REQ + echo REQ_EXT $REQ_EXT + echo DO_CA $DO_CA + echo CA_EXT $CA_EXT + echo NODES_REQ $NODES_REQ + echo NODES_P12 $NODES_P12 + echo DO_P12 $DO_P12 + echo KEY_CN $KEY_CN + echo BATCH $BATCH + echo DO_ROOT $DO_ROOT + echo KEY_EXPIRE $KEY_EXPIRE + echo CA_EXPIRE $CA_EXPIRE + echo KEY_OU $KEY_OU +fi + +# Make sure ./vars was sourced beforehand +if [ -d "$KEY_DIR" ] && [ "$KEY_CONFIG" ]; then + cd "$KEY_DIR" + + # Make sure $KEY_CONFIG points to the correct version + # of openssl.cnf + if $GREP -i 'easy-rsa version 2\.[0-9]' "$KEY_CONFIG" >/dev/null; then + : + else + echo "$PROGNAME: KEY_CONFIG (set by the ./vars script) is pointing to the wrong" + echo "version of openssl.cnf: $KEY_CONFIG" + echo "The correct version should have a comment that says: easy-rsa version 2.x"; + exit 1; + fi + + # Build root CA + if [ $DO_ROOT -eq 1 ]; then + $OPENSSL req $BATCH -days $CA_EXPIRE $NODES_REQ -new -x509 \ + -keyout "$CA.key" -out "$CA.crt" -config "$KEY_CONFIG" && \ + chmod 0600 "$CA.key" + else + # Make sure CA key/cert is available + if [ $DO_CA -eq 1 ] || [ $DO_P12 -eq 1 ]; then + if [ ! -r "$CA.crt" ] || [ ! -r "$CA.key" ]; then + echo "$PROGNAME: Need a readable $CA.crt and $CA.key in $KEY_DIR" + echo "Try $PROGNAME --initca to build a root certificate/key." + exit 1 + fi + fi + + # Build cert/key + ( [ $DO_REQ -eq 0 ] || $OPENSSL req $BATCH -days $KEY_EXPIRE $NODES_REQ -new \ + -keyout "$KEY_CN.key" -out "$KEY_CN.csr" $REQ_EXT -config "$KEY_CONFIG" ) && \ + ( [ $DO_CA -eq 0 ] || $OPENSSL ca $BATCH -days $KEY_EXPIRE -out "$KEY_CN.crt" \ + -in "$KEY_CN.csr" $CA_EXT -config "$KEY_CONFIG" ) && \ + ( [ $DO_P12 -eq 0 ] || $OPENSSL pkcs12 -export -inkey "$KEY_CN.key" \ + -in "$KEY_CN.crt" -certfile "$CA.crt" -out "$KEY_CN.p12" $NODES_P12 ) && \ + ( [ $DO_CA -eq 0 ] || chmod 0600 "$KEY_CN.key" ) && \ + ( [ $DO_P12 -eq 0 ] || chmod 0600 "$KEY_CN.p12" ) + + fi + +# Need definitions +else + need_vars +fi |