125 lines
4.2 KiB
Bash
Executable File
125 lines
4.2 KiB
Bash
Executable File
#!/bin/sh
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# csr.sh: Certificate Signing Request Generator
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# Copyright(c) 2005 Evaldo Gardenali <evaldo@gardenali.biz>
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. Neither the name of the author nor the names of its contributors may
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# be used to endorse or promote products derived from this software
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# without specific prior written permission.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# ChangeLog:
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# Mon May 23 00:14:37 BRT 2005 - evaldo - Initial Release
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# be safe about permissions
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LASTUMASK=`umask`
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umask 077
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# OpenSSL for HPUX needs a random file
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RANDOMFILE=$HOME/.rnd
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# create a config file for openssl
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CONFIG=`mktemp -q /tmp/openssl-conf.XXXXXXXX`
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if [ ! $? -eq 0 ]; then
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echo "Could not create temporary config file. exiting"
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exit 1
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fi
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echo "Private Key and Certificate Signing Request Generator"
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echo "This script was designed to suit the request format needed by"
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echo "the CAcert Certificate Authority. www.CAcert.org"
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echo
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printf "Short Hostname (ie. imap big_srv www2): "
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read HOST
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printf "FQDN/CommonName (ie. www.example.com) : "
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read COMMONNAME
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echo "Type SubjectAltNames for the certificate, one per line. Enter a blank line to finish"
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SAN=1 # bogus value to begin the loop
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SANAMES="" # sanitize
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while [ ! "$SAN" = "" ]; do
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printf "SubjectAltName: DNS:"
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read SAN
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if [ "$SAN" = "" ]; then break; fi # end of input
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if [ "$SANAMES" = "" ]; then
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SANAMES="DNS:$SAN"
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else
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SANAMES="$SANAMES,DNS:$SAN"
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fi
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done
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# Config File Generation
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cat <<EOF > $CONFIG
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# -------------- BEGIN custom openssl.cnf -----
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HOME = $HOME
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EOF
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if [ "`uname -s`" = "HP-UX" ]; then
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echo " RANDFILE = $RANDOMFILE" >> $CONFIG
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fi
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cat <<EOF >> $CONFIG
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oid_section = new_oids
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[ new_oids ]
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[ req ]
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default_days = 730 # how long to certify for
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default_keyfile = $HOME/${HOST}_privatekey.pem
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distinguished_name = req_distinguished_name
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encrypt_key = no
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string_mask = nombstr
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EOF
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if [ ! "$SANAMES" = "" ]; then
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echo "req_extensions = v3_req # Extensions to add to certificate request" >> $CONFIG
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fi
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cat <<EOF >> $CONFIG
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[ req_distinguished_name ]
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commonName = Common Name (eg, YOUR name)
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commonName_default = $COMMONNAME
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commonName_max = 64
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[ v3_req ]
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EOF
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if [ ! "$SANAMES" = "" ]; then
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echo "subjectAltName=$SANAMES" >> $CONFIG
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fi
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echo "# -------------- END custom openssl.cnf -----" >> $CONFIG
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echo "Running OpenSSL..."
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openssl req -batch -config $CONFIG -newkey rsa:2048 -out $HOME/${HOST}_csr.pem
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echo "Copy the following Certificate Request and paste into CAcert website to obtain a Certificate."
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echo "When you receive your certificate, you 'should' name it something like ${HOST}_server.pem"
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echo
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cat $HOME/${HOST}_csr.pem
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echo
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echo The Certificate request is also available in $HOME/${HOST}_csr.pem
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echo The Private Key is stored in $HOME/${HOST}_privatekey.pem
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echo
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rm $CONFIG
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#restore umask
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umask $LASTUMASK
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